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-rw-r--r--accounts/abi/abi.go192
-rw-r--r--accounts/abi/argument.go365
-rw-r--r--accounts/abi/bind/auth.go96
-rw-r--r--accounts/abi/bind/backend.go112
-rw-r--r--accounts/abi/bind/backends/simulated.go523
-rw-r--r--accounts/abi/bind/base.go366
-rw-r--r--accounts/abi/bind/bind.go558
-rw-r--r--accounts/abi/bind/template.go616
-rw-r--r--accounts/abi/bind/topics.go241
-rw-r--r--accounts/abi/bind/util.go76
-rw-r--r--accounts/abi/doc.go26
-rw-r--r--accounts/abi/error.go84
-rw-r--r--accounts/abi/event.go77
-rw-r--r--accounts/abi/method.go90
-rw-r--r--accounts/abi/numbers.go44
-rw-r--r--accounts/abi/pack.go81
-rw-r--r--accounts/abi/reflect.go226
-rw-r--r--accounts/abi/type.go348
-rw-r--r--accounts/abi/unpack.go295
-rw-r--r--accounts/accounts.go11
-rw-r--r--accounts/external/backend.go40
-rw-r--r--accounts/keystore/account_cache.go4
-rw-r--r--accounts/keystore/file_cache.go2
-rw-r--r--accounts/keystore/key.go4
-rw-r--r--accounts/keystore/keystore.go29
-rw-r--r--accounts/keystore/passphrase.go15
-rw-r--r--accounts/keystore/plain.go2
-rw-r--r--accounts/keystore/presale.go2
-rw-r--r--accounts/keystore/wallet.go4
-rw-r--r--accounts/keystore/watch.go2
-rw-r--r--accounts/manager.go11
-rw-r--r--accounts/scwallet/hub.go8
-rw-r--r--accounts/scwallet/securechannel.go26
-rw-r--r--accounts/scwallet/wallet.go31
-rw-r--r--consensus/clique/api.go62
-rw-r--r--consensus/clique/clique.go58
-rw-r--r--consensus/clique/snapshot.go6
-rw-r--r--consensus/consensus.go32
-rw-r--r--consensus/dummy/consensus.go37
-rw-r--r--consensus/errors.go2
-rw-r--r--consensus/ethash/algorithm.go8
-rw-r--r--consensus/ethash/api.go30
-rw-r--r--consensus/ethash/consensus.go44
-rw-r--r--consensus/ethash/ethash.go175
-rw-r--r--consensus/ethash/sealer.go357
-rw-r--r--consensus/misc/dao.go2
-rw-r--r--consensus/misc/forks.go2
-rw-r--r--copied-list.txt107
-rw-r--r--core/block_validator.go5
-rw-r--r--core/blockchain.go923
-rw-r--r--core/blockchain_insert.go6
-rw-r--r--core/blocks.go2
-rw-r--r--core/bloombits/matcher.go63
-rw-r--r--core/chain_indexer.go20
-rw-r--r--core/error.go40
-rw-r--r--core/events.go7
-rw-r--r--core/evm.go38
-rw-r--r--core/forkid/forkid.go258
-rw-r--r--core/gen_genesis.go6
-rw-r--r--core/gen_genesis_account.go6
-rw-r--r--core/genesis.go78
-rw-r--r--core/genesis_alloc.go3
-rw-r--r--core/headerchain.go161
-rw-r--r--core/mkalloc.go2
-rw-r--r--core/rawdb/accessors_chain.go238
-rw-r--r--core/rawdb/accessors_indexes.go68
-rw-r--r--core/rawdb/accessors_metadata.go25
-rw-r--r--core/rawdb/accessors_snapshot.go120
-rw-r--r--core/rawdb/accessors_state.go96
-rw-r--r--core/rawdb/chain_iterator.go304
-rw-r--r--core/rawdb/database.go61
-rw-r--r--core/rawdb/freezer.go141
-rw-r--r--core/rawdb/freezer_reinit.go127
-rw-r--r--core/rawdb/freezer_table.go72
-rw-r--r--core/rawdb/schema.go56
-rw-r--r--core/rawdb/table.go93
-rw-r--r--core/state/database.go47
-rw-r--r--core/state/dump.go167
-rw-r--r--core/state/iterator.go6
-rw-r--r--core/state/journal.go12
-rw-r--r--core/state/snapshot/account.go88
-rw-r--r--core/state/snapshot/conversion.go275
-rw-r--r--core/state/snapshot/difflayer.go553
-rw-r--r--core/state/snapshot/disklayer.go166
-rw-r--r--core/state/snapshot/generate.go265
-rw-r--r--core/state/snapshot/iterator.go400
-rw-r--r--core/state/snapshot/iterator_binary.go213
-rw-r--r--core/state/snapshot/iterator_fast.go350
-rw-r--r--core/state/snapshot/journal.go270
-rw-r--r--core/state/snapshot/snapshot.go619
-rw-r--r--core/state/snapshot/sort.go (renamed from core/vm/int_pool_verifier.go)29
-rw-r--r--core/state/snapshot/wipe.go131
-rw-r--r--core/state/state_object.go161
-rw-r--r--core/state/statedb.go685
-rw-r--r--core/state/sync.go14
-rw-r--r--core/state_prefetcher.go13
-rw-r--r--core/state_processor.go22
-rw-r--r--core/state_transition.go135
-rw-r--r--core/tx_journal.go6
-rw-r--r--core/tx_list.go124
-rw-r--r--core/tx_noncer.go2
-rw-r--r--core/tx_pool.go255
-rw-r--r--core/types/block.go96
-rw-r--r--core/types/bloom9.go4
-rw-r--r--core/types/derive_sha.go21
-rw-r--r--core/types/gen_header_json.go10
-rw-r--r--core/types/gen_log_json.go22
-rw-r--r--core/types/gen_receipt_json.go4
-rw-r--r--core/types/gen_tx_json.go4
-rw-r--r--core/types/log.go10
-rw-r--r--core/types/receipt.go8
-rw-r--r--core/types/transaction.go75
-rw-r--r--core/types/transaction_signing.go4
-rw-r--r--core/vm/common.go31
-rw-r--r--core/vm/contract.go36
-rw-r--r--core/vm/contracts.go487
-rw-r--r--core/vm/eips.go82
-rw-r--r--core/vm/errors.go49
-rw-r--r--core/vm/evm.go281
-rw-r--r--core/vm/gas.go10
-rw-r--r--core/vm/gas_table.go76
-rw-r--r--core/vm/gen_structlog.go26
-rw-r--r--core/vm/instructions.go979
-rw-r--r--core/vm/interface.go2
-rw-r--r--core/vm/interpreter.go94
-rw-r--r--core/vm/intpool.go106
-rw-r--r--core/vm/jump_table.go181
-rw-r--r--core/vm/logger.go189
-rw-r--r--core/vm/logger_json.go19
-rw-r--r--core/vm/memory.go9
-rw-r--r--core/vm/opcodes.go62
-rw-r--r--core/vm/stack.go84
-rw-r--r--coreth.go27
-rw-r--r--eth/api.go128
-rw-r--r--eth/api_backend.go107
-rw-r--r--eth/api_tracer.go90
-rw-r--r--eth/backend.go183
-rw-r--r--eth/bloombits.go13
-rw-r--r--eth/config.go94
-rw-r--r--eth/filters/api.go16
-rw-r--r--eth/filters/filter.go12
-rw-r--r--eth/filters/filter_system.go175
-rw-r--r--eth/gasprice/gasprice.go145
-rw-r--r--eth/gen_config.go59
-rw-r--r--eth/metrics.go139
-rw-r--r--eth/protocol.go69
-rw-r--r--eth/tracers/tracer.go35
-rw-r--r--ethstats/ethstats.go406
-rw-r--r--examples/block/main.go8
-rw-r--r--examples/chain/main.go12
-rw-r--r--examples/counter/counter.sol2
-rw-r--r--examples/counter/main.go8
-rw-r--r--examples/multicoin/main.go14
-rw-r--r--examples/payments/main.go6
-rw-r--r--go.mod7
-rw-r--r--go.sum100
-rw-r--r--hacked-list.txt43
-rw-r--r--internal/debug/api.go2
-rw-r--r--internal/debug/flags.go103
-rw-r--r--internal/debug/trace.go2
-rw-r--r--internal/ethapi/addrlock.go2
-rw-r--r--internal/ethapi/api.go394
-rw-r--r--internal/ethapi/backend.go25
-rw-r--r--miner/miner.go77
-rw-r--r--miner/unconfirmed.go4
-rw-r--r--miner/worker.go167
-rw-r--r--node/api.go83
-rw-r--r--node/config.go42
-rw-r--r--node/defaults.go5
-rw-r--r--node/errors.go11
-rw-r--r--node/node.go255
-rw-r--r--node/service.go135
-rw-r--r--params/config.go164
-rw-r--r--params/dao.go2
-rw-r--r--params/network_params.go12
-rw-r--r--params/protocol_params.go13
-rw-r--r--params/version.go2
-rw-r--r--plugin/evm/block.go2
-rw-r--r--plugin/evm/database.go19
-rw-r--r--plugin/evm/export_tx.go2
-rw-r--r--plugin/evm/import_tx.go2
-rw-r--r--plugin/evm/service.go6
-rw-r--r--plugin/evm/tx.go2
-rw-r--r--plugin/evm/user.go2
-rw-r--r--plugin/evm/vm.go8
-rw-r--r--rpc/client.go39
-rw-r--r--rpc/doc.go12
-rw-r--r--rpc/errors.go9
-rw-r--r--rpc/gzip.go66
-rw-r--r--rpc/handler.go42
-rw-r--r--rpc/http.go163
-rw-r--r--rpc/json.go87
-rw-r--r--rpc/metrics.go (renamed from core/vm/int_pool_verifier_empty.go)26
-rw-r--r--rpc/server.go14
-rw-r--r--rpc/service.go30
-rw-r--r--rpc/subscription.go29
-rw-r--r--rpc/types.go114
-rw-r--r--rpc/websocket.go105
198 files changed, 11584 insertions, 9210 deletions
diff --git a/accounts/abi/abi.go b/accounts/abi/abi.go
deleted file mode 100644
index 7af6685..0000000
--- a/accounts/abi/abi.go
+++ /dev/null
@@ -1,192 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "bytes"
- "encoding/json"
- "fmt"
- "io"
-
- "github.com/ava-labs/go-ethereum/common"
-)
-
-// The ABI holds information about a contract's context and available
-// invokable methods. It will allow you to type check function calls and
-// packs data accordingly.
-type ABI struct {
- Constructor Method
- Methods map[string]Method
- Events map[string]Event
-}
-
-// JSON returns a parsed ABI interface and error if it failed.
-func JSON(reader io.Reader) (ABI, error) {
- dec := json.NewDecoder(reader)
-
- var abi ABI
- if err := dec.Decode(&abi); err != nil {
- return ABI{}, err
- }
-
- return abi, nil
-}
-
-// Pack the given method name to conform the ABI. Method call's data
-// will consist of method_id, args0, arg1, ... argN. Method id consists
-// of 4 bytes and arguments are all 32 bytes.
-// Method ids are created from the first 4 bytes of the hash of the
-// methods string signature. (signature = baz(uint32,string32))
-func (abi ABI) Pack(name string, args ...interface{}) ([]byte, error) {
- // Fetch the ABI of the requested method
- if name == "" {
- // constructor
- arguments, err := abi.Constructor.Inputs.Pack(args...)
- if err != nil {
- return nil, err
- }
- return arguments, nil
- }
- method, exist := abi.Methods[name]
- if !exist {
- return nil, fmt.Errorf("method '%s' not found", name)
- }
- arguments, err := method.Inputs.Pack(args...)
- if err != nil {
- return nil, err
- }
- // Pack up the method ID too if not a constructor and return
- return append(method.ID(), arguments...), nil
-}
-
-// Unpack output in v according to the abi specification
-func (abi ABI) Unpack(v interface{}, name string, data []byte) (err error) {
- if len(data) == 0 {
- return fmt.Errorf("abi: unmarshalling empty output")
- }
- // since there can't be naming collisions with contracts and events,
- // we need to decide whether we're calling a method or an event
- if method, ok := abi.Methods[name]; ok {
- if len(data)%32 != 0 {
- return fmt.Errorf("abi: improperly formatted output: %s - Bytes: [%+v]", string(data), data)
- }
- return method.Outputs.Unpack(v, data)
- }
- if event, ok := abi.Events[name]; ok {
- return event.Inputs.Unpack(v, data)
- }
- return fmt.Errorf("abi: could not locate named method or event")
-}
-
-// UnpackIntoMap unpacks a log into the provided map[string]interface{}
-func (abi ABI) UnpackIntoMap(v map[string]interface{}, name string, data []byte) (err error) {
- if len(data) == 0 {
- return fmt.Errorf("abi: unmarshalling empty output")
- }
- // since there can't be naming collisions with contracts and events,
- // we need to decide whether we're calling a method or an event
- if method, ok := abi.Methods[name]; ok {
- if len(data)%32 != 0 {
- return fmt.Errorf("abi: improperly formatted output")
- }
- return method.Outputs.UnpackIntoMap(v, data)
- }
- if event, ok := abi.Events[name]; ok {
- return event.Inputs.UnpackIntoMap(v, data)
- }
- return fmt.Errorf("abi: could not locate named method or event")
-}
-
-// UnmarshalJSON implements json.Unmarshaler interface
-func (abi *ABI) UnmarshalJSON(data []byte) error {
- var fields []struct {
- Type string
- Name string
- Constant bool
- Anonymous bool
- Inputs []Argument
- Outputs []Argument
- }
- if err := json.Unmarshal(data, &fields); err != nil {
- return err
- }
- abi.Methods = make(map[string]Method)
- abi.Events = make(map[string]Event)
- for _, field := range fields {
- switch field.Type {
- case "constructor":
- abi.Constructor = Method{
- Inputs: field.Inputs,
- }
- // empty defaults to function according to the abi spec
- case "function", "":
- name := field.Name
- _, ok := abi.Methods[name]
- for idx := 0; ok; idx++ {
- name = fmt.Sprintf("%s%d", field.Name, idx)
- _, ok = abi.Methods[name]
- }
- abi.Methods[name] = Method{
- Name: name,
- RawName: field.Name,
- Const: field.Constant,
- Inputs: field.Inputs,
- Outputs: field.Outputs,
- }
- case "event":
- name := field.Name
- _, ok := abi.Events[name]
- for idx := 0; ok; idx++ {
- name = fmt.Sprintf("%s%d", field.Name, idx)
- _, ok = abi.Events[name]
- }
- abi.Events[name] = Event{
- Name: name,
- RawName: field.Name,
- Anonymous: field.Anonymous,
- Inputs: field.Inputs,
- }
- }
- }
-
- return nil
-}
-
-// MethodById looks up a method by the 4-byte id
-// returns nil if none found
-func (abi *ABI) MethodById(sigdata []byte) (*Method, error) {
- if len(sigdata) < 4 {
- return nil, fmt.Errorf("data too short (%d bytes) for abi method lookup", len(sigdata))
- }
- for _, method := range abi.Methods {
- if bytes.Equal(method.ID(), sigdata[:4]) {
- return &method, nil
- }
- }
- return nil, fmt.Errorf("no method with id: %#x", sigdata[:4])
-}
-
-// EventByID looks an event up by its topic hash in the
-// ABI and returns nil if none found.
-func (abi *ABI) EventByID(topic common.Hash) (*Event, error) {
- for _, event := range abi.Events {
- if bytes.Equal(event.ID().Bytes(), topic.Bytes()) {
- return &event, nil
- }
- }
- return nil, fmt.Errorf("no event with id: %#x", topic.Hex())
-}
diff --git a/accounts/abi/argument.go b/accounts/abi/argument.go
deleted file mode 100644
index 4dae586..0000000
--- a/accounts/abi/argument.go
+++ /dev/null
@@ -1,365 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "encoding/json"
- "fmt"
- "reflect"
- "strings"
-)
-
-// Argument holds the name of the argument and the corresponding type.
-// Types are used when packing and testing arguments.
-type Argument struct {
- Name string
- Type Type
- Indexed bool // indexed is only used by events
-}
-
-type Arguments []Argument
-
-type ArgumentMarshaling struct {
- Name string
- Type string
- Components []ArgumentMarshaling
- Indexed bool
-}
-
-// UnmarshalJSON implements json.Unmarshaler interface
-func (argument *Argument) UnmarshalJSON(data []byte) error {
- var arg ArgumentMarshaling
- err := json.Unmarshal(data, &arg)
- if err != nil {
- return fmt.Errorf("argument json err: %v", err)
- }
-
- argument.Type, err = NewType(arg.Type, arg.Components)
- if err != nil {
- return err
- }
- argument.Name = arg.Name
- argument.Indexed = arg.Indexed
-
- return nil
-}
-
-// LengthNonIndexed returns the number of arguments when not counting 'indexed' ones. Only events
-// can ever have 'indexed' arguments, it should always be false on arguments for method input/output
-func (arguments Arguments) LengthNonIndexed() int {
- out := 0
- for _, arg := range arguments {
- if !arg.Indexed {
- out++
- }
- }
- return out
-}
-
-// NonIndexed returns the arguments with indexed arguments filtered out
-func (arguments Arguments) NonIndexed() Arguments {
- var ret []Argument
- for _, arg := range arguments {
- if !arg.Indexed {
- ret = append(ret, arg)
- }
- }
- return ret
-}
-
-// isTuple returns true for non-atomic constructs, like (uint,uint) or uint[]
-func (arguments Arguments) isTuple() bool {
- return len(arguments) > 1
-}
-
-// Unpack performs the operation hexdata -> Go format
-func (arguments Arguments) Unpack(v interface{}, data []byte) error {
- // make sure the passed value is arguments pointer
- if reflect.Ptr != reflect.ValueOf(v).Kind() {
- return fmt.Errorf("abi: Unpack(non-pointer %T)", v)
- }
- marshalledValues, err := arguments.UnpackValues(data)
- if err != nil {
- return err
- }
- if arguments.isTuple() {
- return arguments.unpackTuple(v, marshalledValues)
- }
- return arguments.unpackAtomic(v, marshalledValues[0])
-}
-
-// UnpackIntoMap performs the operation hexdata -> mapping of argument name to argument value
-func (arguments Arguments) UnpackIntoMap(v map[string]interface{}, data []byte) error {
- marshalledValues, err := arguments.UnpackValues(data)
- if err != nil {
- return err
- }
-
- return arguments.unpackIntoMap(v, marshalledValues)
-}
-
-// unpack sets the unmarshalled value to go format.
-// Note the dst here must be settable.
-func unpack(t *Type, dst interface{}, src interface{}) error {
- var (
- dstVal = reflect.ValueOf(dst).Elem()
- srcVal = reflect.ValueOf(src)
- )
- tuple, typ := false, t
- for {
- if typ.T == SliceTy || typ.T == ArrayTy {
- typ = typ.Elem
- continue
- }
- tuple = typ.T == TupleTy
- break
- }
- if !tuple {
- return set(dstVal, srcVal)
- }
-
- // Dereferences interface or pointer wrapper
- dstVal = indirectInterfaceOrPtr(dstVal)
-
- switch t.T {
- case TupleTy:
- if dstVal.Kind() != reflect.Struct {
- return fmt.Errorf("abi: invalid dst value for unpack, want struct, got %s", dstVal.Kind())
- }
- fieldmap, err := mapArgNamesToStructFields(t.TupleRawNames, dstVal)
- if err != nil {
- return err
- }
- for i, elem := range t.TupleElems {
- fname := fieldmap[t.TupleRawNames[i]]
- field := dstVal.FieldByName(fname)
- if !field.IsValid() {
- return fmt.Errorf("abi: field %s can't found in the given value", t.TupleRawNames[i])
- }
- if err := unpack(elem, field.Addr().Interface(), srcVal.Field(i).Interface()); err != nil {
- return err
- }
- }
- return nil
- case SliceTy:
- if dstVal.Kind() != reflect.Slice {
- return fmt.Errorf("abi: invalid dst value for unpack, want slice, got %s", dstVal.Kind())
- }
- slice := reflect.MakeSlice(dstVal.Type(), srcVal.Len(), srcVal.Len())
- for i := 0; i < slice.Len(); i++ {
- if err := unpack(t.Elem, slice.Index(i).Addr().Interface(), srcVal.Index(i).Interface()); err != nil {
- return err
- }
- }
- dstVal.Set(slice)
- case ArrayTy:
- if dstVal.Kind() != reflect.Array {
- return fmt.Errorf("abi: invalid dst value for unpack, want array, got %s", dstVal.Kind())
- }
- array := reflect.New(dstVal.Type()).Elem()
- for i := 0; i < array.Len(); i++ {
- if err := unpack(t.Elem, array.Index(i).Addr().Interface(), srcVal.Index(i).Interface()); err != nil {
- return err
- }
- }
- dstVal.Set(array)
- }
- return nil
-}
-
-// unpackIntoMap unpacks marshalledValues into the provided map[string]interface{}
-func (arguments Arguments) unpackIntoMap(v map[string]interface{}, marshalledValues []interface{}) error {
- // Make sure map is not nil
- if v == nil {
- return fmt.Errorf("abi: cannot unpack into a nil map")
- }
-
- for i, arg := range arguments.NonIndexed() {
- v[arg.Name] = marshalledValues[i]
- }
- return nil
-}
-
-// unpackAtomic unpacks ( hexdata -> go ) a single value
-func (arguments Arguments) unpackAtomic(v interface{}, marshalledValues interface{}) error {
- if arguments.LengthNonIndexed() == 0 {
- return nil
- }
- argument := arguments.NonIndexed()[0]
- elem := reflect.ValueOf(v).Elem()
-
- if elem.Kind() == reflect.Struct && argument.Type.T != TupleTy {
- fieldmap, err := mapArgNamesToStructFields([]string{argument.Name}, elem)
- if err != nil {
- return err
- }
- field := elem.FieldByName(fieldmap[argument.Name])
- if !field.IsValid() {
- return fmt.Errorf("abi: field %s can't be found in the given value", argument.Name)
- }
- return unpack(&argument.Type, field.Addr().Interface(), marshalledValues)
- }
- return unpack(&argument.Type, elem.Addr().Interface(), marshalledValues)
-}
-
-// unpackTuple unpacks ( hexdata -> go ) a batch of values.
-func (arguments Arguments) unpackTuple(v interface{}, marshalledValues []interface{}) error {
- var (
- value = reflect.ValueOf(v).Elem()
- typ = value.Type()
- kind = value.Kind()
- )
- if err := requireUnpackKind(value, typ, kind, arguments); err != nil {
- return err
- }
-
- // If the interface is a struct, get of abi->struct_field mapping
- var abi2struct map[string]string
- if kind == reflect.Struct {
- var (
- argNames []string
- err error
- )
- for _, arg := range arguments.NonIndexed() {
- argNames = append(argNames, arg.Name)
- }
- abi2struct, err = mapArgNamesToStructFields(argNames, value)
- if err != nil {
- return err
- }
- }
- for i, arg := range arguments.NonIndexed() {
- switch kind {
- case reflect.Struct:
- field := value.FieldByName(abi2struct[arg.Name])
- if !field.IsValid() {
- return fmt.Errorf("abi: field %s can't be found in the given value", arg.Name)
- }
- if err := unpack(&arg.Type, field.Addr().Interface(), marshalledValues[i]); err != nil {
- return err
- }
- case reflect.Slice, reflect.Array:
- if value.Len() < i {
- return fmt.Errorf("abi: insufficient number of arguments for unpack, want %d, got %d", len(arguments), value.Len())
- }
- v := value.Index(i)
- if err := requireAssignable(v, reflect.ValueOf(marshalledValues[i])); err != nil {
- return err
- }
- if err := unpack(&arg.Type, v.Addr().Interface(), marshalledValues[i]); err != nil {
- return err
- }
- default:
- return fmt.Errorf("abi:[2] cannot unmarshal tuple in to %v", typ)
- }
- }
- return nil
-
-}
-
-// UnpackValues can be used to unpack ABI-encoded hexdata according to the ABI-specification,
-// without supplying a struct to unpack into. Instead, this method returns a list containing the
-// values. An atomic argument will be a list with one element.
-func (arguments Arguments) UnpackValues(data []byte) ([]interface{}, error) {
- retval := make([]interface{}, 0, arguments.LengthNonIndexed())
- virtualArgs := 0
- for index, arg := range arguments.NonIndexed() {
- marshalledValue, err := toGoType((index+virtualArgs)*32, arg.Type, data)
- if arg.Type.T == ArrayTy && !isDynamicType(arg.Type) {
- // If we have a static array, like [3]uint256, these are coded as
- // just like uint256,uint256,uint256.
- // This means that we need to add two 'virtual' arguments when
- // we count the index from now on.
- //
- // Array values nested multiple levels deep are also encoded inline:
- // [2][3]uint256: uint256,uint256,uint256,uint256,uint256,uint256
- //
- // Calculate the full array size to get the correct offset for the next argument.
- // Decrement it by 1, as the normal index increment is still applied.
- virtualArgs += getTypeSize(arg.Type)/32 - 1
- } else if arg.Type.T == TupleTy && !isDynamicType(arg.Type) {
- // If we have a static tuple, like (uint256, bool, uint256), these are
- // coded as just like uint256,bool,uint256
- virtualArgs += getTypeSize(arg.Type)/32 - 1
- }
- if err != nil {
- return nil, err
- }
- retval = append(retval, marshalledValue)
- }
- return retval, nil
-}
-
-// PackValues performs the operation Go format -> Hexdata
-// It is the semantic opposite of UnpackValues
-func (arguments Arguments) PackValues(args []interface{}) ([]byte, error) {
- return arguments.Pack(args...)
-}
-
-// Pack performs the operation Go format -> Hexdata
-func (arguments Arguments) Pack(args ...interface{}) ([]byte, error) {
- // Make sure arguments match up and pack them
- abiArgs := arguments
- if len(args) != len(abiArgs) {
- return nil, fmt.Errorf("argument count mismatch: %d for %d", len(args), len(abiArgs))
- }
- // variable input is the output appended at the end of packed
- // output. This is used for strings and bytes types input.
- var variableInput []byte
-
- // input offset is the bytes offset for packed output
- inputOffset := 0
- for _, abiArg := range abiArgs {
- inputOffset += getTypeSize(abiArg.Type)
- }
- var ret []byte
- for i, a := range args {
- input := abiArgs[i]
- // pack the input
- packed, err := input.Type.pack(reflect.ValueOf(a))
- if err != nil {
- return nil, err
- }
- // check for dynamic types
- if isDynamicType(input.Type) {
- // set the offset
- ret = append(ret, packNum(reflect.ValueOf(inputOffset))...)
- // calculate next offset
- inputOffset += len(packed)
- // append to variable input
- variableInput = append(variableInput, packed...)
- } else {
- // append the packed value to the input
- ret = append(ret, packed...)
- }
- }
- // append the variable input at the end of the packed input
- ret = append(ret, variableInput...)
-
- return ret, nil
-}
-
-// ToCamelCase converts an under-score string to a camel-case string
-func ToCamelCase(input string) string {
- parts := strings.Split(input, "_")
- for i, s := range parts {
- if len(s) > 0 {
- parts[i] = strings.ToUpper(s[:1]) + s[1:]
- }
- }
- return strings.Join(parts, "")
-}
diff --git a/accounts/abi/bind/auth.go b/accounts/abi/bind/auth.go
deleted file mode 100644
index c916cc4..0000000
--- a/accounts/abi/bind/auth.go
+++ /dev/null
@@ -1,96 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package bind
-
-import (
- "crypto/ecdsa"
- "errors"
- "io"
- "io/ioutil"
-
- "github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/coreth/accounts/external"
- "github.com/ava-labs/coreth/accounts/keystore"
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
-)
-
-// NewTransactor is a utility method to easily create a transaction signer from
-// an encrypted json key stream and the associated passphrase.
-func NewTransactor(keyin io.Reader, passphrase string) (*TransactOpts, error) {
- json, err := ioutil.ReadAll(keyin)
- if err != nil {
- return nil, err
- }
- key, err := keystore.DecryptKey(json, passphrase)
- if err != nil {
- return nil, err
- }
- return NewKeyedTransactor(key.PrivateKey), nil
-}
-
-// NewKeyStoreTransactor is a utility method to easily create a transaction signer from
-// an decrypted key from a keystore
-func NewKeyStoreTransactor(keystore *keystore.KeyStore, account accounts.Account) (*TransactOpts, error) {
- return &TransactOpts{
- From: account.Address,
- Signer: func(signer types.Signer, address common.Address, tx *types.Transaction) (*types.Transaction, error) {
- if address != account.Address {
- return nil, errors.New("not authorized to sign this account")
- }
- signature, err := keystore.SignHash(account, signer.Hash(tx).Bytes())
- if err != nil {
- return nil, err
- }
- return tx.WithSignature(signer, signature)
- },
- }, nil
-}
-
-// NewKeyedTransactor is a utility method to easily create a transaction signer
-// from a single private key.
-func NewKeyedTransactor(key *ecdsa.PrivateKey) *TransactOpts {
- keyAddr := crypto.PubkeyToAddress(key.PublicKey)
- return &TransactOpts{
- From: keyAddr,
- Signer: func(signer types.Signer, address common.Address, tx *types.Transaction) (*types.Transaction, error) {
- if address != keyAddr {
- return nil, errors.New("not authorized to sign this account")
- }
- signature, err := crypto.Sign(signer.Hash(tx).Bytes(), key)
- if err != nil {
- return nil, err
- }
- return tx.WithSignature(signer, signature)
- },
- }
-}
-
-// NewClefTransactor is a utility method to easily create a transaction signer
-// with a clef backend.
-func NewClefTransactor(clef *external.ExternalSigner, account accounts.Account) *TransactOpts {
- return &TransactOpts{
- From: account.Address,
- Signer: func(signer types.Signer, address common.Address, transaction *types.Transaction) (*types.Transaction, error) {
- if address != account.Address {
- return nil, errors.New("not authorized to sign this account")
- }
- return clef.SignTx(account, transaction, nil) // Clef enforces its own chain id
- },
- }
-}
diff --git a/accounts/abi/bind/backend.go b/accounts/abi/bind/backend.go
deleted file mode 100644
index 556394f..0000000
--- a/accounts/abi/bind/backend.go
+++ /dev/null
@@ -1,112 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package bind
-
-import (
- "context"
- "errors"
- "math/big"
-
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
-)
-
-var (
- // ErrNoCode is returned by call and transact operations for which the requested
- // recipient contract to operate on does not exist in the state db or does not
- // have any code associated with it (i.e. suicided).
- ErrNoCode = errors.New("no contract code at given address")
-
- // This error is raised when attempting to perform a pending state action
- // on a backend that doesn't implement PendingContractCaller.
- ErrNoPendingState = errors.New("backend does not support pending state")
-
- // This error is returned by WaitDeployed if contract creation leaves an
- // empty contract behind.
- ErrNoCodeAfterDeploy = errors.New("no contract code after deployment")
-)
-
-// ContractCaller defines the methods needed to allow operating with contract on a read
-// only basis.
-type ContractCaller interface {
- // CodeAt returns the code of the given account. This is needed to differentiate
- // between contract internal errors and the local chain being out of sync.
- CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error)
- // ContractCall executes an Ethereum contract call with the specified data as the
- // input.
- CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error)
-}
-
-// PendingContractCaller defines methods to perform contract calls on the pending state.
-// Call will try to discover this interface when access to the pending state is requested.
-// If the backend does not support the pending state, Call returns ErrNoPendingState.
-type PendingContractCaller interface {
- // PendingCodeAt returns the code of the given account in the pending state.
- PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error)
- // PendingCallContract executes an Ethereum contract call against the pending state.
- PendingCallContract(ctx context.Context, call ethereum.CallMsg) ([]byte, error)
-}
-
-// ContractTransactor defines the methods needed to allow operating with contract
-// on a write only basis. Beside the transacting method, the remainder are helpers
-// used when the user does not provide some needed values, but rather leaves it up
-// to the transactor to decide.
-type ContractTransactor interface {
- // PendingCodeAt returns the code of the given account in the pending state.
- PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error)
- // PendingNonceAt retrieves the current pending nonce associated with an account.
- PendingNonceAt(ctx context.Context, account common.Address) (uint64, error)
- // SuggestGasPrice retrieves the currently suggested gas price to allow a timely
- // execution of a transaction.
- SuggestGasPrice(ctx context.Context) (*big.Int, error)
- // EstimateGas tries to estimate the gas needed to execute a specific
- // transaction based on the current pending state of the backend blockchain.
- // There is no guarantee that this is the true gas limit requirement as other
- // transactions may be added or removed by miners, but it should provide a basis
- // for setting a reasonable default.
- EstimateGas(ctx context.Context, call ethereum.CallMsg) (gas uint64, err error)
- // SendTransaction injects the transaction into the pending pool for execution.
- SendTransaction(ctx context.Context, tx *types.Transaction) error
-}
-
-// ContractFilterer defines the methods needed to access log events using one-off
-// queries or continuous event subscriptions.
-type ContractFilterer interface {
- // FilterLogs executes a log filter operation, blocking during execution and
- // returning all the results in one batch.
- //
- // TODO(karalabe): Deprecate when the subscription one can return past data too.
- FilterLogs(ctx context.Context, query ethereum.FilterQuery) ([]types.Log, error)
-
- // SubscribeFilterLogs creates a background log filtering operation, returning
- // a subscription immediately, which can be used to stream the found events.
- SubscribeFilterLogs(ctx context.Context, query ethereum.FilterQuery, ch chan<- types.Log) (ethereum.Subscription, error)
-}
-
-// DeployBackend wraps the operations needed by WaitMined and WaitDeployed.
-type DeployBackend interface {
- TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error)
- CodeAt(ctx context.Context, account common.Address, blockNumber *big.Int) ([]byte, error)
-}
-
-// ContractBackend defines the methods needed to work with contracts on a read-write basis.
-type ContractBackend interface {
- ContractCaller
- ContractTransactor
- ContractFilterer
-}
diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
deleted file mode 100644
index 88610a4..0000000
--- a/accounts/abi/bind/backends/simulated.go
+++ /dev/null
@@ -1,523 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package backends
-
-import (
- "context"
- "errors"
- "fmt"
- "math/big"
- "sync"
- "time"
-
- "github.com/ava-labs/coreth/accounts/abi/bind"
- "github.com/ava-labs/coreth/consensus/ethash"
- "github.com/ava-labs/coreth/core"
- "github.com/ava-labs/coreth/core/bloombits"
- "github.com/ava-labs/coreth/core/rawdb"
- "github.com/ava-labs/coreth/core/state"
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/coreth/core/vm"
- "github.com/ava-labs/coreth/params"
- "github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/eth/filters"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
-)
-
-// This nil assignment ensures compile time that SimulatedBackend implements bind.ContractBackend.
-var _ bind.ContractBackend = (*SimulatedBackend)(nil)
-
-var (
- errBlockNumberUnsupported = errors.New("simulatedBackend cannot access blocks other than the latest block")
- errGasEstimationFailed = errors.New("gas required exceeds allowance or always failing transaction")
-)
-
-// SimulatedBackend implements bind.ContractBackend, simulating a blockchain in
-// the background. Its main purpose is to allow easily testing contract bindings.
-type SimulatedBackend struct {
- database ethdb.Database // In memory database to store our testing data
- blockchain *core.BlockChain // Ethereum blockchain to handle the consensus
-
- mu sync.Mutex
- pendingBlock *types.Block // Currently pending block that will be imported on request
- pendingState *state.StateDB // Currently pending state that will be the active on on request
-
- events *filters.EventSystem // Event system for filtering log events live
-
- config *params.ChainConfig
-}
-
-// NewSimulatedBackendWithDatabase creates a new binding backend based on the given database
-// and uses a simulated blockchain for testing purposes.
-func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
- genesis := core.Genesis{Config: params.AllEthashProtocolChanges, GasLimit: gasLimit, Alloc: alloc}
- genesis.MustCommit(database)
- blockchain, _ := core.NewBlockChain(database, nil, genesis.Config, ethash.NewFaker(), vm.Config{}, nil)
-
- backend := &SimulatedBackend{
- database: database,
- blockchain: blockchain,
- config: genesis.Config,
- events: filters.NewEventSystem(new(event.TypeMux), &filterBackend{database, blockchain}, false),
- }
- backend.rollback()
- return backend
-}
-
-// NewSimulatedBackend creates a new binding backend using a simulated blockchain
-// for testing purposes.
-func NewSimulatedBackend(alloc core.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
- return NewSimulatedBackendWithDatabase(rawdb.NewMemoryDatabase(), alloc, gasLimit)
-}
-
-// Close terminates the underlying blockchain's update loop.
-func (b *SimulatedBackend) Close() error {
- b.blockchain.Stop()
- return nil
-}
-
-// Commit imports all the pending transactions as a single block and starts a
-// fresh new state.
-func (b *SimulatedBackend) Commit() {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- if _, err := b.blockchain.InsertChain([]*types.Block{b.pendingBlock}); err != nil {
- panic(err) // This cannot happen unless the simulator is wrong, fail in that case
- }
- b.rollback()
-}
-
-// Rollback aborts all pending transactions, reverting to the last committed state.
-func (b *SimulatedBackend) Rollback() {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- b.rollback()
-}
-
-func (b *SimulatedBackend) rollback() {
- blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(int, *core.BlockGen) {})
- statedb, _ := b.blockchain.State()
-
- b.pendingBlock = blocks[0]
- b.pendingState, _ = state.New(b.pendingBlock.Root(), statedb.Database())
-}
-
-// CodeAt returns the code associated with a certain account in the blockchain.
-func (b *SimulatedBackend) CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) != 0 {
- return nil, errBlockNumberUnsupported
- }
- statedb, _ := b.blockchain.State()
- return statedb.GetCode(contract), nil
-}
-
-// BalanceAt returns the wei balance of a certain account in the blockchain.
-func (b *SimulatedBackend) BalanceAt(ctx context.Context, contract common.Address, blockNumber *big.Int) (*big.Int, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) != 0 {
- return nil, errBlockNumberUnsupported
- }
- statedb, _ := b.blockchain.State()
- return statedb.GetBalance(contract), nil
-}
-
-// NonceAt returns the nonce of a certain account in the blockchain.
-func (b *SimulatedBackend) NonceAt(ctx context.Context, contract common.Address, blockNumber *big.Int) (uint64, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) != 0 {
- return 0, errBlockNumberUnsupported
- }
- statedb, _ := b.blockchain.State()
- return statedb.GetNonce(contract), nil
-}
-
-// StorageAt returns the value of key in the storage of an account in the blockchain.
-func (b *SimulatedBackend) StorageAt(ctx context.Context, contract common.Address, key common.Hash, blockNumber *big.Int) ([]byte, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) != 0 {
- return nil, errBlockNumberUnsupported
- }
- statedb, _ := b.blockchain.State()
- val := statedb.GetState(contract, key)
- return val[:], nil
-}
-
-// TransactionReceipt returns the receipt of a transaction.
-func (b *SimulatedBackend) TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error) {
- receipt, _, _, _ := rawdb.ReadReceipt(b.database, txHash, b.config)
- return receipt, nil
-}
-
-// TransactionByHash checks the pool of pending transactions in addition to the
-// blockchain. The isPending return value indicates whether the transaction has been
-// mined yet. Note that the transaction may not be part of the canonical chain even if
-// it's not pending.
-func (b *SimulatedBackend) TransactionByHash(ctx context.Context, txHash common.Hash) (*types.Transaction, bool, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- tx := b.pendingBlock.Transaction(txHash)
- if tx != nil {
- return tx, true, nil
- }
- tx, _, _, _ = rawdb.ReadTransaction(b.database, txHash)
- if tx != nil {
- return tx, false, nil
- }
- return nil, false, ethereum.NotFound
-}
-
-// PendingCodeAt returns the code associated with an account in the pending state.
-func (b *SimulatedBackend) PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- return b.pendingState.GetCode(contract), nil
-}
-
-// CallContract executes a contract call.
-func (b *SimulatedBackend) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- if blockNumber != nil && blockNumber.Cmp(b.blockchain.CurrentBlock().Number()) != 0 {
- return nil, errBlockNumberUnsupported
- }
- state, err := b.blockchain.State()
- if err != nil {
- return nil, err
- }
- rval, _, _, err := b.callContract(ctx, call, b.blockchain.CurrentBlock(), state)
- return rval, err
-}
-
-// PendingCallContract executes a contract call on the pending state.
-func (b *SimulatedBackend) PendingCallContract(ctx context.Context, call ethereum.CallMsg) ([]byte, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
- defer b.pendingState.RevertToSnapshot(b.pendingState.Snapshot())
-
- rval, _, _, err := b.callContract(ctx, call, b.pendingBlock, b.pendingState)
- return rval, err
-}
-
-// PendingNonceAt implements PendingStateReader.PendingNonceAt, retrieving
-// the nonce currently pending for the account.
-func (b *SimulatedBackend) PendingNonceAt(ctx context.Context, account common.Address) (uint64, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- return b.pendingState.GetOrNewStateObject(account).Nonce(), nil
-}
-
-// SuggestGasPrice implements ContractTransactor.SuggestGasPrice. Since the simulated
-// chain doesn't have miners, we just return a gas price of 1 for any call.
-func (b *SimulatedBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
- return big.NewInt(1), nil
-}
-
-// EstimateGas executes the requested code against the currently pending block/state and
-// returns the used amount of gas.
-func (b *SimulatedBackend) EstimateGas(ctx context.Context, call ethereum.CallMsg) (uint64, error) {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- // Determine the lowest and highest possible gas limits to binary search in between
- var (
- lo uint64 = params.TxGas - 1
- hi uint64
- cap uint64
- )
- if call.Gas >= params.TxGas {
- hi = call.Gas
- } else {
- hi = b.pendingBlock.GasLimit()
- }
- cap = hi
-
- // Create a helper to check if a gas allowance results in an executable transaction
- executable := func(gas uint64) bool {
- call.Gas = gas
-
- snapshot := b.pendingState.Snapshot()
- _, _, failed, err := b.callContract(ctx, call, b.pendingBlock, b.pendingState)
- b.pendingState.RevertToSnapshot(snapshot)
-
- if err != nil || failed {
- return false
- }
- return true
- }
- // Execute the binary search and hone in on an executable gas limit
- for lo+1 < hi {
- mid := (hi + lo) / 2
- if !executable(mid) {
- lo = mid
- } else {
- hi = mid
- }
- }
- // Reject the transaction as invalid if it still fails at the highest allowance
- if hi == cap {
- if !executable(hi) {
- return 0, errGasEstimationFailed
- }
- }
- return hi, nil
-}
-
-// callContract implements common code between normal and pending contract calls.
-// state is modified during execution, make sure to copy it if necessary.
-func (b *SimulatedBackend) callContract(ctx context.Context, call ethereum.CallMsg, block *types.Block, statedb *state.StateDB) ([]byte, uint64, bool, error) {
- // Ensure message is initialized properly.
- if call.GasPrice == nil {
- call.GasPrice = big.NewInt(1)
- }
- if call.Gas == 0 {
- call.Gas = 50000000
- }
- if call.Value == nil {
- call.Value = new(big.Int)
- }
- // Set infinite balance to the fake caller account.
- from := statedb.GetOrNewStateObject(call.From)
- from.SetBalance(math.MaxBig256)
- // Execute the call.
- msg := callmsg{call}
-
- evmContext := core.NewEVMContext(msg, block.Header(), b.blockchain, nil)
- // Create a new environment which holds all relevant information
- // about the transaction and calling mechanisms.
- vmenv := vm.NewEVM(evmContext, statedb, b.config, vm.Config{})
- gaspool := new(core.GasPool).AddGas(math.MaxUint64)
-
- return core.NewStateTransition(vmenv, msg, gaspool).TransitionDb()
-}
-
-// SendTransaction updates the pending block to include the given transaction.
-// It panics if the transaction is invalid.
-func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error {
- b.mu.Lock()
- defer b.mu.Unlock()
-
- sender, err := types.Sender(types.NewEIP155Signer(b.config.ChainID), tx)
- if err != nil {
- panic(fmt.Errorf("invalid transaction: %v", err))
- }
- nonce := b.pendingState.GetNonce(sender)
- if tx.Nonce() != nonce {
- panic(fmt.Errorf("invalid transaction nonce: got %d, want %d", tx.Nonce(), nonce))
- }
-
- blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {
- for _, tx := range b.pendingBlock.Transactions() {
- block.AddTxWithChain(b.blockchain, tx)
- }
- block.AddTxWithChain(b.blockchain, tx)
- })
- statedb, _ := b.blockchain.State()
-
- b.pendingBlock = blocks[0]
- b.pendingState, _ = state.New(b.pendingBlock.Root(), statedb.Database())
- return nil
-}
-
-// FilterLogs executes a log filter operation, blocking during execution and
-// returning all the results in one batch.
-//
-// TODO(karalabe): Deprecate when the subscription one can return past data too.
-func (b *SimulatedBackend) FilterLogs(ctx context.Context, query ethereum.FilterQuery) ([]types.Log, error) {
- var filter *filters.Filter
- if query.BlockHash != nil {
- // Block filter requested, construct a single-shot filter
- filter = filters.NewBlockFilter(&filterBackend{b.database, b.blockchain}, *query.BlockHash, query.Addresses, query.Topics)
- } else {
- // Initialize unset filter boundaried to run from genesis to chain head
- from := int64(0)
- if query.FromBlock != nil {
- from = query.FromBlock.Int64()
- }
- to := int64(-1)
- if query.ToBlock != nil {
- to = query.ToBlock.Int64()
- }
- // Construct the range filter
- filter = filters.NewRangeFilter(&filterBackend{b.database, b.blockchain}, from, to, query.Addresses, query.Topics)
- }
- // Run the filter and return all the logs
- logs, err := filter.Logs(ctx)
- if err != nil {
- return nil, err
- }
- res := make([]types.Log, len(logs))
- for i, log := range logs {
- res[i] = *log
- }
- return res, nil
-}
-
-// SubscribeFilterLogs creates a background log filtering operation, returning a
-// subscription immediately, which can be used to stream the found events.
-func (b *SimulatedBackend) SubscribeFilterLogs(ctx context.Context, query ethereum.FilterQuery, ch chan<- types.Log) (ethereum.Subscription, error) {
- // Subscribe to contract events
- sink := make(chan []*types.Log)
-
- sub, err := b.events.SubscribeLogs(query, sink)
- if err != nil {
- return nil, err
- }
- // Since we're getting logs in batches, we need to flatten them into a plain stream
- return event.NewSubscription(func(quit <-chan struct{}) error {
- defer sub.Unsubscribe()
- for {
- select {
- case logs := <-sink:
- for _, log := range logs {
- select {
- case ch <- *log:
- case err := <-sub.Err():
- return err
- case <-quit:
- return nil
- }
- }
- case err := <-sub.Err():
- return err
- case <-quit:
- return nil
- }
- }
- }), nil
-}
-
-// AdjustTime adds a time shift to the simulated clock.
-func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
- b.mu.Lock()
- defer b.mu.Unlock()
- blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {
- for _, tx := range b.pendingBlock.Transactions() {
- block.AddTx(tx)
- }
- block.OffsetTime(int64(adjustment.Seconds()))
- })
- statedb, _ := b.blockchain.State()
-
- b.pendingBlock = blocks[0]
- b.pendingState, _ = state.New(b.pendingBlock.Root(), statedb.Database())
-
- return nil
-}
-
-// Blockchain returns the underlying blockchain.
-func (b *SimulatedBackend) Blockchain() *core.BlockChain {
- return b.blockchain
-}
-
-// callmsg implements core.Message to allow passing it as a transaction simulator.
-type callmsg struct {
- ethereum.CallMsg
-}
-
-func (m callmsg) From() common.Address { return m.CallMsg.From }
-func (m callmsg) Nonce() uint64 { return 0 }
-func (m callmsg) CheckNonce() bool { return false }
-func (m callmsg) To() *common.Address { return m.CallMsg.To }
-func (m callmsg) GasPrice() *big.Int { return m.CallMsg.GasPrice }
-func (m callmsg) Gas() uint64 { return m.CallMsg.Gas }
-func (m callmsg) Value() *big.Int { return m.CallMsg.Value }
-func (m callmsg) Data() []byte { return m.CallMsg.Data }
-
-// filterBackend implements filters.Backend to support filtering for logs without
-// taking bloom-bits acceleration structures into account.
-type filterBackend struct {
- db ethdb.Database
- bc *core.BlockChain
-}
-
-func (fb *filterBackend) ChainDb() ethdb.Database { return fb.db }
-func (fb *filterBackend) EventMux() *event.TypeMux { panic("not supported") }
-
-func (fb *filterBackend) HeaderByNumber(ctx context.Context, block rpc.BlockNumber) (*types.Header, error) {
- if block == rpc.LatestBlockNumber {
- return fb.bc.CurrentHeader(), nil
- }
- return fb.bc.GetHeaderByNumber(uint64(block.Int64())), nil
-}
-
-func (fb *filterBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
- return fb.bc.GetHeaderByHash(hash), nil
-}
-
-func (fb *filterBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
- number := rawdb.ReadHeaderNumber(fb.db, hash)
- if number == nil {
- return nil, nil
- }
- return rawdb.ReadReceipts(fb.db, hash, *number, fb.bc.Config()), nil
-}
-
-func (fb *filterBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
- number := rawdb.ReadHeaderNumber(fb.db, hash)
- if number == nil {
- return nil, nil
- }
- receipts := rawdb.ReadReceipts(fb.db, hash, *number, fb.bc.Config())
- if receipts == nil {
- return nil, nil
- }
- logs := make([][]*types.Log, len(receipts))
- for i, receipt := range receipts {
- logs[i] = receipt.Logs
- }
- return logs, nil
-}
-
-func (fb *filterBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
- return event.NewSubscription(func(quit <-chan struct{}) error {
- <-quit
- return nil
- })
-}
-func (fb *filterBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
- return fb.bc.SubscribeChainEvent(ch)
-}
-func (fb *filterBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription {
- return fb.bc.SubscribeRemovedLogsEvent(ch)
-}
-func (fb *filterBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
- return fb.bc.SubscribeLogsEvent(ch)
-}
-
-func (fb *filterBackend) BloomStatus() (uint64, uint64) { return 4096, 0 }
-func (fb *filterBackend) ServiceFilter(ctx context.Context, ms *bloombits.MatcherSession) {
- panic("not supported")
-}
diff --git a/accounts/abi/bind/base.go b/accounts/abi/bind/base.go
deleted file mode 100644
index 3d64f85..0000000
--- a/accounts/abi/bind/base.go
+++ /dev/null
@@ -1,366 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package bind
-
-import (
- "context"
- "errors"
- "fmt"
- "math/big"
-
- "github.com/ava-labs/coreth/accounts/abi"
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/event"
-)
-
-// SignerFn is a signer function callback when a contract requires a method to
-// sign the transaction before submission.
-type SignerFn func(types.Signer, common.Address, *types.Transaction) (*types.Transaction, error)
-
-// CallOpts is the collection of options to fine tune a contract call request.
-type CallOpts struct {
- Pending bool // Whether to operate on the pending state or the last known one
- From common.Address // Optional the sender address, otherwise the first account is used
- BlockNumber *big.Int // Optional the block number on which the call should be performed
- Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
-}
-
-// TransactOpts is the collection of authorization data required to create a
-// valid Ethereum transaction.
-type TransactOpts struct {
- From common.Address // Ethereum account to send the transaction from
- Nonce *big.Int // Nonce to use for the transaction execution (nil = use pending state)
- Signer SignerFn // Method to use for signing the transaction (mandatory)
-
- Value *big.Int // Funds to transfer along along the transaction (nil = 0 = no funds)
- GasPrice *big.Int // Gas price to use for the transaction execution (nil = gas price oracle)
- GasLimit uint64 // Gas limit to set for the transaction execution (0 = estimate)
-
- Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
-}
-
-// FilterOpts is the collection of options to fine tune filtering for events
-// within a bound contract.
-type FilterOpts struct {
- Start uint64 // Start of the queried range
- End *uint64 // End of the range (nil = latest)
-
- Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
-}
-
-// WatchOpts is the collection of options to fine tune subscribing for events
-// within a bound contract.
-type WatchOpts struct {
- Start *uint64 // Start of the queried range (nil = latest)
- Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
-}
-
-// BoundContract is the base wrapper object that reflects a contract on the
-// Ethereum network. It contains a collection of methods that are used by the
-// higher level contract bindings to operate.
-type BoundContract struct {
- address common.Address // Deployment address of the contract on the Ethereum blockchain
- abi abi.ABI // Reflect based ABI to access the correct Ethereum methods
- caller ContractCaller // Read interface to interact with the blockchain
- transactor ContractTransactor // Write interface to interact with the blockchain
- filterer ContractFilterer // Event filtering to interact with the blockchain
-}
-
-// NewBoundContract creates a low level contract interface through which calls
-// and transactions may be made through.
-func NewBoundContract(address common.Address, abi abi.ABI, caller ContractCaller, transactor ContractTransactor, filterer ContractFilterer) *BoundContract {
- return &BoundContract{
- address: address,
- abi: abi,
- caller: caller,
- transactor: transactor,
- filterer: filterer,
- }
-}
-
-// DeployContract deploys a contract onto the Ethereum blockchain and binds the
-// deployment address with a Go wrapper.
-func DeployContract(opts *TransactOpts, abi abi.ABI, bytecode []byte, backend ContractBackend, params ...interface{}) (common.Address, *types.Transaction, *BoundContract, error) {
- // Otherwise try to deploy the contract
- c := NewBoundContract(common.Address{}, abi, backend, backend, backend)
-
- input, err := c.abi.Pack("", params...)
- if err != nil {
- return common.Address{}, nil, nil, err
- }
- tx, err := c.transact(opts, nil, append(bytecode, input...))
- if err != nil {
- return common.Address{}, nil, nil, err
- }
- c.address = crypto.CreateAddress(opts.From, tx.Nonce())
- return c.address, tx, c, nil
-}
-
-// Call invokes the (constant) contract method with params as input values and
-// sets the output to result. The result type might be a single field for simple
-// returns, a slice of interfaces for anonymous returns and a struct for named
-// returns.
-func (c *BoundContract) Call(opts *CallOpts, result interface{}, method string, params ...interface{}) error {
- // Don't crash on a lazy user
- if opts == nil {
- opts = new(CallOpts)
- }
- // Pack the input, call and unpack the results
- input, err := c.abi.Pack(method, params...)
- if err != nil {
- return err
- }
- var (
- msg = ethereum.CallMsg{From: opts.From, To: &c.address, Data: input}
- ctx = ensureContext(opts.Context)
- code []byte
- output []byte
- )
- if opts.Pending {
- pb, ok := c.caller.(PendingContractCaller)
- if !ok {
- return ErrNoPendingState
- }
- output, err = pb.PendingCallContract(ctx, msg)
- if err == nil && len(output) == 0 {
- // Make sure we have a contract to operate on, and bail out otherwise.
- if code, err = pb.PendingCodeAt(ctx, c.address); err != nil {
- return err
- } else if len(code) == 0 {
- return ErrNoCode
- }
- }
- } else {
- output, err = c.caller.CallContract(ctx, msg, opts.BlockNumber)
- if err == nil && len(output) == 0 {
- // Make sure we have a contract to operate on, and bail out otherwise.
- if code, err = c.caller.CodeAt(ctx, c.address, opts.BlockNumber); err != nil {
- return err
- } else if len(code) == 0 {
- return ErrNoCode
- }
- }
- }
- if err != nil {
- return err
- }
- return c.abi.Unpack(result, method, output)
-}
-
-// Transact invokes the (paid) contract method with params as input values.
-func (c *BoundContract) Transact(opts *TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
- // Otherwise pack up the parameters and invoke the contract
- input, err := c.abi.Pack(method, params...)
- if err != nil {
- return nil, err
- }
- return c.transact(opts, &c.address, input)
-}
-
-// Transfer initiates a plain transaction to move funds to the contract, calling
-// its default method if one is available.
-func (c *BoundContract) Transfer(opts *TransactOpts) (*types.Transaction, error) {
- return c.transact(opts, &c.address, nil)
-}
-
-// transact executes an actual transaction invocation, first deriving any missing
-// authorization fields, and then scheduling the transaction for execution.
-func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, input []byte) (*types.Transaction, error) {
- var err error
-
- // Ensure a valid value field and resolve the account nonce
- value := opts.Value
- if value == nil {
- value = new(big.Int)
- }
- var nonce uint64
- if opts.Nonce == nil {
- nonce, err = c.transactor.PendingNonceAt(ensureContext(opts.Context), opts.From)
- if err != nil {
- return nil, fmt.Errorf("failed to retrieve account nonce: %v", err)
- }
- } else {
- nonce = opts.Nonce.Uint64()
- }
- // Figure out the gas allowance and gas price values
- gasPrice := opts.GasPrice
- if gasPrice == nil {
- gasPrice, err = c.transactor.SuggestGasPrice(ensureContext(opts.Context))
- if err != nil {
- return nil, fmt.Errorf("failed to suggest gas price: %v", err)
- }
- }
- gasLimit := opts.GasLimit
- if gasLimit == 0 {
- // Gas estimation cannot succeed without code for method invocations
- if contract != nil {
- if code, err := c.transactor.PendingCodeAt(ensureContext(opts.Context), c.address); err != nil {
- return nil, err
- } else if len(code) == 0 {
- return nil, ErrNoCode
- }
- }
- // If the contract surely has code (or code is not needed), estimate the transaction
- msg := ethereum.CallMsg{From: opts.From, To: contract, Value: value, Data: input}
- gasLimit, err = c.transactor.EstimateGas(ensureContext(opts.Context), msg)
- if err != nil {
- return nil, fmt.Errorf("failed to estimate gas needed: %v", err)
- }
- }
- // Create the transaction, sign it and schedule it for execution
- var rawTx *types.Transaction
- if contract == nil {
- rawTx = types.NewContractCreation(nonce, value, gasLimit, gasPrice, input)
- } else {
- rawTx = types.NewTransaction(nonce, c.address, value, gasLimit, gasPrice, input)
- }
- if opts.Signer == nil {
- return nil, errors.New("no signer to authorize the transaction with")
- }
- signedTx, err := opts.Signer(types.HomesteadSigner{}, opts.From, rawTx)
- if err != nil {
- return nil, err
- }
- if err := c.transactor.SendTransaction(ensureContext(opts.Context), signedTx); err != nil {
- return nil, err
- }
- return signedTx, nil
-}
-
-// FilterLogs filters contract logs for past blocks, returning the necessary
-// channels to construct a strongly typed bound iterator on top of them.
-func (c *BoundContract) FilterLogs(opts *FilterOpts, name string, query ...[]interface{}) (chan types.Log, event.Subscription, error) {
- // Don't crash on a lazy user
- if opts == nil {
- opts = new(FilterOpts)
- }
- // Append the event selector to the query parameters and construct the topic set
- query = append([][]interface{}{{c.abi.Events[name].ID()}}, query...)
-
- topics, err := makeTopics(query...)
- if err != nil {
- return nil, nil, err
- }
- // Start the background filtering
- logs := make(chan types.Log, 128)
-
- config := ethereum.FilterQuery{
- Addresses: []common.Address{c.address},
- Topics: topics,
- FromBlock: new(big.Int).SetUint64(opts.Start),
- }
- if opts.End != nil {
- config.ToBlock = new(big.Int).SetUint64(*opts.End)
- }
- /* TODO(karalabe): Replace the rest of the method below with this when supported
- sub, err := c.filterer.SubscribeFilterLogs(ensureContext(opts.Context), config, logs)
- */
- buff, err := c.filterer.FilterLogs(ensureContext(opts.Context), config)
- if err != nil {
- return nil, nil, err
- }
- sub, err := event.NewSubscription(func(quit <-chan struct{}) error {
- for _, log := range buff {
- select {
- case logs <- log:
- case <-quit:
- return nil
- }
- }
- return nil
- }), nil
-
- if err != nil {
- return nil, nil, err
- }
- return logs, sub, nil
-}
-
-// WatchLogs filters subscribes to contract logs for future blocks, returning a
-// subscription object that can be used to tear down the watcher.
-func (c *BoundContract) WatchLogs(opts *WatchOpts, name string, query ...[]interface{}) (chan types.Log, event.Subscription, error) {
- // Don't crash on a lazy user
- if opts == nil {
- opts = new(WatchOpts)
- }
- // Append the event selector to the query parameters and construct the topic set
- query = append([][]interface{}{{c.abi.Events[name].ID()}}, query...)
-
- topics, err := makeTopics(query...)
- if err != nil {
- return nil, nil, err
- }
- // Start the background filtering
- logs := make(chan types.Log, 128)
-
- config := ethereum.FilterQuery{
- Addresses: []common.Address{c.address},
- Topics: topics,
- }
- if opts.Start != nil {
- config.FromBlock = new(big.Int).SetUint64(*opts.Start)
- }
- sub, err := c.filterer.SubscribeFilterLogs(ensureContext(opts.Context), config, logs)
- if err != nil {
- return nil, nil, err
- }
- return logs, sub, nil
-}
-
-// UnpackLog unpacks a retrieved log into the provided output structure.
-func (c *BoundContract) UnpackLog(out interface{}, event string, log types.Log) error {
- if len(log.Data) > 0 {
- if err := c.abi.Unpack(out, event, log.Data); err != nil {
- return err
- }
- }
- var indexed abi.Arguments
- for _, arg := range c.abi.Events[event].Inputs {
- if arg.Indexed {
- indexed = append(indexed, arg)
- }
- }
- return parseTopics(out, indexed, log.Topics[1:])
-}
-
-// UnpackLogIntoMap unpacks a retrieved log into the provided map.
-func (c *BoundContract) UnpackLogIntoMap(out map[string]interface{}, event string, log types.Log) error {
- if len(log.Data) > 0 {
- if err := c.abi.UnpackIntoMap(out, event, log.Data); err != nil {
- return err
- }
- }
- var indexed abi.Arguments
- for _, arg := range c.abi.Events[event].Inputs {
- if arg.Indexed {
- indexed = append(indexed, arg)
- }
- }
- return parseTopicsIntoMap(out, indexed, log.Topics[1:])
-}
-
-// ensureContext is a helper method to ensure a context is not nil, even if the
-// user specified it as such.
-func ensureContext(ctx context.Context) context.Context {
- if ctx == nil {
- return context.TODO()
- }
- return ctx
-}
diff --git a/accounts/abi/bind/bind.go b/accounts/abi/bind/bind.go
deleted file mode 100644
index e869eef..0000000
--- a/accounts/abi/bind/bind.go
+++ /dev/null
@@ -1,558 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// Package bind generates Ethereum contract Go bindings.
-//
-// Detailed usage document and tutorial available on the go-ethereum Wiki page:
-// https://github.com/ethereum/go-ethereum/wiki/Native-DApps:-Go-bindings-to-Ethereum-contracts
-package bind
-
-import (
- "bytes"
- "errors"
- "fmt"
- "go/format"
- "regexp"
- "strings"
- "text/template"
- "unicode"
-
- "github.com/ava-labs/coreth/accounts/abi"
- "github.com/ava-labs/go-ethereum/log"
-)
-
-// Lang is a target programming language selector to generate bindings for.
-type Lang int
-
-const (
- LangGo Lang = iota
- LangJava
- LangObjC
-)
-
-// Bind generates a Go wrapper around a contract ABI. This wrapper isn't meant
-// to be used as is in client code, but rather as an intermediate struct which
-// enforces compile time type safety and naming convention opposed to having to
-// manually maintain hard coded strings that break on runtime.
-func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]string, pkg string, lang Lang, libs map[string]string) (string, error) {
- // Process each individual contract requested binding
- contracts := make(map[string]*tmplContract)
-
- // Map used to flag each encountered library as such
- isLib := make(map[string]struct{})
-
- for i := 0; i < len(types); i++ {
- // Parse the actual ABI to generate the binding for
- evmABI, err := abi.JSON(strings.NewReader(abis[i]))
- if err != nil {
- return "", err
- }
- // Strip any whitespace from the JSON ABI
- strippedABI := strings.Map(func(r rune) rune {
- if unicode.IsSpace(r) {
- return -1
- }
- return r
- }, abis[i])
-
- // Extract the call and transact methods; events, struct definitions; and sort them alphabetically
- var (
- calls = make(map[string]*tmplMethod)
- transacts = make(map[string]*tmplMethod)
- events = make(map[string]*tmplEvent)
- structs = make(map[string]*tmplStruct)
- )
- for _, original := range evmABI.Methods {
- // Normalize the method for capital cases and non-anonymous inputs/outputs
- normalized := original
- normalized.Name = methodNormalizer[lang](original.Name)
-
- normalized.Inputs = make([]abi.Argument, len(original.Inputs))
- copy(normalized.Inputs, original.Inputs)
- for j, input := range normalized.Inputs {
- if input.Name == "" {
- normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
- }
- if _, exist := structs[input.Type.String()]; input.Type.T == abi.TupleTy && !exist {
- bindStructType[lang](input.Type, structs)
- }
- }
- normalized.Outputs = make([]abi.Argument, len(original.Outputs))
- copy(normalized.Outputs, original.Outputs)
- for j, output := range normalized.Outputs {
- if output.Name != "" {
- normalized.Outputs[j].Name = capitalise(output.Name)
- }
- if _, exist := structs[output.Type.String()]; output.Type.T == abi.TupleTy && !exist {
- bindStructType[lang](output.Type, structs)
- }
- }
- // Append the methods to the call or transact lists
- if original.Const {
- calls[original.Name] = &tmplMethod{Original: original, Normalized: normalized, Structured: structured(original.Outputs)}
- } else {
- transacts[original.Name] = &tmplMethod{Original: original, Normalized: normalized, Structured: structured(original.Outputs)}
- }
- }
- for _, original := range evmABI.Events {
- // Skip anonymous events as they don't support explicit filtering
- if original.Anonymous {
- continue
- }
- // Normalize the event for capital cases and non-anonymous outputs
- normalized := original
- normalized.Name = methodNormalizer[lang](original.Name)
-
- normalized.Inputs = make([]abi.Argument, len(original.Inputs))
- copy(normalized.Inputs, original.Inputs)
- for j, input := range normalized.Inputs {
- // Indexed fields are input, non-indexed ones are outputs
- if input.Indexed {
- if input.Name == "" {
- normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
- }
- if _, exist := structs[input.Type.String()]; input.Type.T == abi.TupleTy && !exist {
- bindStructType[lang](input.Type, structs)
- }
- }
- }
- // Append the event to the accumulator list
- events[original.Name] = &tmplEvent{Original: original, Normalized: normalized}
- }
-
- // There is no easy way to pass arbitrary java objects to the Go side.
- if len(structs) > 0 && lang == LangJava {
- return "", errors.New("java binding for tuple arguments is not supported yet")
- }
-
- contracts[types[i]] = &tmplContract{
- Type: capitalise(types[i]),
- InputABI: strings.Replace(strippedABI, "\"", "\\\"", -1),
- InputBin: strings.TrimPrefix(strings.TrimSpace(bytecodes[i]), "0x"),
- Constructor: evmABI.Constructor,
- Calls: calls,
- Transacts: transacts,
- Events: events,
- Libraries: make(map[string]string),
- Structs: structs,
- }
- // Function 4-byte signatures are stored in the same sequence
- // as types, if available.
- if len(fsigs) > i {
- contracts[types[i]].FuncSigs = fsigs[i]
- }
- // Parse library references.
- for pattern, name := range libs {
- matched, err := regexp.Match("__\\$"+pattern+"\\$__", []byte(contracts[types[i]].InputBin))
- if err != nil {
- log.Error("Could not search for pattern", "pattern", pattern, "contract", contracts[types[i]], "err", err)
- }
- if matched {
- contracts[types[i]].Libraries[pattern] = name
- // keep track that this type is a library
- if _, ok := isLib[name]; !ok {
- isLib[name] = struct{}{}
- }
- }
- }
- }
- // Check if that type has already been identified as a library
- for i := 0; i < len(types); i++ {
- _, ok := isLib[types[i]]
- contracts[types[i]].Library = ok
- }
- // Generate the contract template data content and render it
- data := &tmplData{
- Package: pkg,
- Contracts: contracts,
- Libraries: libs,
- }
- buffer := new(bytes.Buffer)
-
- funcs := map[string]interface{}{
- "bindtype": bindType[lang],
- "bindtopictype": bindTopicType[lang],
- "namedtype": namedType[lang],
- "formatmethod": formatMethod,
- "formatevent": formatEvent,
- "capitalise": capitalise,
- "decapitalise": decapitalise,
- }
- tmpl := template.Must(template.New("").Funcs(funcs).Parse(tmplSource[lang]))
- if err := tmpl.Execute(buffer, data); err != nil {
- return "", err
- }
- // For Go bindings pass the code through gofmt to clean it up
- if lang == LangGo {
- code, err := format.Source(buffer.Bytes())
- if err != nil {
- return "", fmt.Errorf("%v\n%s", err, buffer)
- }
- return string(code), nil
- }
- // For all others just return as is for now
- return buffer.String(), nil
-}
-
-// bindType is a set of type binders that convert Solidity types to some supported
-// programming language types.
-var bindType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
- LangGo: bindTypeGo,
- LangJava: bindTypeJava,
-}
-
-// bindBasicTypeGo converts basic solidity types(except array, slice and tuple) to Go one.
-func bindBasicTypeGo(kind abi.Type) string {
- switch kind.T {
- case abi.AddressTy:
- return "common.Address"
- case abi.IntTy, abi.UintTy:
- parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(kind.String())
- switch parts[2] {
- case "8", "16", "32", "64":
- return fmt.Sprintf("%sint%s", parts[1], parts[2])
- }
- return "*big.Int"
- case abi.FixedBytesTy:
- return fmt.Sprintf("[%d]byte", kind.Size)
- case abi.BytesTy:
- return "[]byte"
- case abi.FunctionTy:
- return "[24]byte"
- default:
- // string, bool types
- return kind.String()
- }
-}
-
-// bindTypeGo converts solidity types to Go ones. Since there is no clear mapping
-// from all Solidity types to Go ones (e.g. uint17), those that cannot be exactly
-// mapped will use an upscaled type (e.g. BigDecimal).
-func bindTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
- switch kind.T {
- case abi.TupleTy:
- return structs[kind.String()].Name
- case abi.ArrayTy:
- return fmt.Sprintf("[%d]", kind.Size) + bindTypeGo(*kind.Elem, structs)
- case abi.SliceTy:
- return "[]" + bindTypeGo(*kind.Elem, structs)
- default:
- return bindBasicTypeGo(kind)
- }
-}
-
-// bindBasicTypeJava converts basic solidity types(except array, slice and tuple) to Java one.
-func bindBasicTypeJava(kind abi.Type) string {
- switch kind.T {
- case abi.AddressTy:
- return "Address"
- case abi.IntTy, abi.UintTy:
- // Note that uint and int (without digits) are also matched,
- // these are size 256, and will translate to BigInt (the default).
- parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(kind.String())
- if len(parts) != 3 {
- return kind.String()
- }
- // All unsigned integers should be translated to BigInt since gomobile doesn't
- // support them.
- if parts[1] == "u" {
- return "BigInt"
- }
-
- namedSize := map[string]string{
- "8": "byte",
- "16": "short",
- "32": "int",
- "64": "long",
- }[parts[2]]
-
- // default to BigInt
- if namedSize == "" {
- namedSize = "BigInt"
- }
- return namedSize
- case abi.FixedBytesTy, abi.BytesTy:
- return "byte[]"
- case abi.BoolTy:
- return "boolean"
- case abi.StringTy:
- return "String"
- case abi.FunctionTy:
- return "byte[24]"
- default:
- return kind.String()
- }
-}
-
-// pluralizeJavaType explicitly converts multidimensional types to predefined
-// type in go side.
-func pluralizeJavaType(typ string) string {
- switch typ {
- case "boolean":
- return "Bools"
- case "String":
- return "Strings"
- case "Address":
- return "Addresses"
- case "byte[]":
- return "Binaries"
- case "BigInt":
- return "BigInts"
- }
- return typ + "[]"
-}
-
-// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping
-// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly
-// mapped will use an upscaled type (e.g. BigDecimal).
-func bindTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
- switch kind.T {
- case abi.TupleTy:
- return structs[kind.String()].Name
- case abi.ArrayTy, abi.SliceTy:
- return pluralizeJavaType(bindTypeJava(*kind.Elem, structs))
- default:
- return bindBasicTypeJava(kind)
- }
-}
-
-// bindTopicType is a set of type binders that convert Solidity types to some
-// supported programming language topic types.
-var bindTopicType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
- LangGo: bindTopicTypeGo,
- LangJava: bindTopicTypeJava,
-}
-
-// bindTopicTypeGo converts a Solidity topic type to a Go one. It is almost the same
-// funcionality as for simple types, but dynamic types get converted to hashes.
-func bindTopicTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
- bound := bindTypeGo(kind, structs)
- if bound == "string" || bound == "[]byte" {
- bound = "common.Hash"
- }
- return bound
-}
-
-// bindTopicTypeJava converts a Solidity topic type to a Java one. It is almost the same
-// funcionality as for simple types, but dynamic types get converted to hashes.
-func bindTopicTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
- bound := bindTypeJava(kind, structs)
- if bound == "String" || bound == "byte[]" {
- bound = "Hash"
- }
- return bound
-}
-
-// bindStructType is a set of type binders that convert Solidity tuple types to some supported
-// programming language struct definition.
-var bindStructType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{
- LangGo: bindStructTypeGo,
- LangJava: bindStructTypeJava,
-}
-
-// bindStructTypeGo converts a Solidity tuple type to a Go one and records the mapping
-// in the given map.
-// Notably, this function will resolve and record nested struct recursively.
-func bindStructTypeGo(kind abi.Type, structs map[string]*tmplStruct) string {
- switch kind.T {
- case abi.TupleTy:
- if s, exist := structs[kind.String()]; exist {
- return s.Name
- }
- var fields []*tmplField
- for i, elem := range kind.TupleElems {
- field := bindStructTypeGo(*elem, structs)
- fields = append(fields, &tmplField{Type: field, Name: capitalise(kind.TupleRawNames[i]), SolKind: *elem})
- }
- name := fmt.Sprintf("Struct%d", len(structs))
- structs[kind.String()] = &tmplStruct{
- Name: name,
- Fields: fields,
- }
- return name
- case abi.ArrayTy:
- return fmt.Sprintf("[%d]", kind.Size) + bindStructTypeGo(*kind.Elem, structs)
- case abi.SliceTy:
- return "[]" + bindStructTypeGo(*kind.Elem, structs)
- default:
- return bindBasicTypeGo(kind)
- }
-}
-
-// bindStructTypeJava converts a Solidity tuple type to a Java one and records the mapping
-// in the given map.
-// Notably, this function will resolve and record nested struct recursively.
-func bindStructTypeJava(kind abi.Type, structs map[string]*tmplStruct) string {
- switch kind.T {
- case abi.TupleTy:
- if s, exist := structs[kind.String()]; exist {
- return s.Name
- }
- var fields []*tmplField
- for i, elem := range kind.TupleElems {
- field := bindStructTypeJava(*elem, structs)
- fields = append(fields, &tmplField{Type: field, Name: decapitalise(kind.TupleRawNames[i]), SolKind: *elem})
- }
- name := fmt.Sprintf("Class%d", len(structs))
- structs[kind.String()] = &tmplStruct{
- Name: name,
- Fields: fields,
- }
- return name
- case abi.ArrayTy, abi.SliceTy:
- return pluralizeJavaType(bindStructTypeJava(*kind.Elem, structs))
- default:
- return bindBasicTypeJava(kind)
- }
-}
-
-// namedType is a set of functions that transform language specific types to
-// named versions that my be used inside method names.
-var namedType = map[Lang]func(string, abi.Type) string{
- LangGo: func(string, abi.Type) string { panic("this shouldn't be needed") },
- LangJava: namedTypeJava,
-}
-
-// namedTypeJava converts some primitive data types to named variants that can
-// be used as parts of method names.
-func namedTypeJava(javaKind string, solKind abi.Type) string {
- switch javaKind {
- case "byte[]":
- return "Binary"
- case "boolean":
- return "Bool"
- default:
- parts := regexp.MustCompile(`(u)?int([0-9]*)(\[[0-9]*\])?`).FindStringSubmatch(solKind.String())
- if len(parts) != 4 {
- return javaKind
- }
- switch parts[2] {
- case "8", "16", "32", "64":
- if parts[3] == "" {
- return capitalise(fmt.Sprintf("%sint%s", parts[1], parts[2]))
- }
- return capitalise(fmt.Sprintf("%sint%ss", parts[1], parts[2]))
-
- default:
- return javaKind
- }
- }
-}
-
-// methodNormalizer is a name transformer that modifies Solidity method names to
-// conform to target language naming concentions.
-var methodNormalizer = map[Lang]func(string) string{
- LangGo: abi.ToCamelCase,
- LangJava: decapitalise,
-}
-
-// capitalise makes a camel-case string which starts with an upper case character.
-func capitalise(input string) string {
- return abi.ToCamelCase(input)
-}
-
-// decapitalise makes a camel-case string which starts with a lower case character.
-func decapitalise(input string) string {
- if len(input) == 0 {
- return input
- }
-
- goForm := abi.ToCamelCase(input)
- return strings.ToLower(goForm[:1]) + goForm[1:]
-}
-
-// structured checks whether a list of ABI data types has enough information to
-// operate through a proper Go struct or if flat returns are needed.
-func structured(args abi.Arguments) bool {
- if len(args) < 2 {
- return false
- }
- exists := make(map[string]bool)
- for _, out := range args {
- // If the name is anonymous, we can't organize into a struct
- if out.Name == "" {
- return false
- }
- // If the field name is empty when normalized or collides (var, Var, _var, _Var),
- // we can't organize into a struct
- field := capitalise(out.Name)
- if field == "" || exists[field] {
- return false
- }
- exists[field] = true
- }
- return true
-}
-
-// resolveArgName converts a raw argument representation into a user friendly format.
-func resolveArgName(arg abi.Argument, structs map[string]*tmplStruct) string {
- var (
- prefix string
- embedded string
- typ = &arg.Type
- )
-loop:
- for {
- switch typ.T {
- case abi.SliceTy:
- prefix += "[]"
- case abi.ArrayTy:
- prefix += fmt.Sprintf("[%d]", typ.Size)
- default:
- embedded = typ.String()
- break loop
- }
- typ = typ.Elem
- }
- if s, exist := structs[embedded]; exist {
- return prefix + s.Name
- } else {
- return arg.Type.String()
- }
-}
-
-// formatMethod transforms raw method representation into a user friendly one.
-func formatMethod(method abi.Method, structs map[string]*tmplStruct) string {
- inputs := make([]string, len(method.Inputs))
- for i, input := range method.Inputs {
- inputs[i] = fmt.Sprintf("%v %v", resolveArgName(input, structs), input.Name)
- }
- outputs := make([]string, len(method.Outputs))
- for i, output := range method.Outputs {
- outputs[i] = resolveArgName(output, structs)
- if len(output.Name) > 0 {
- outputs[i] += fmt.Sprintf(" %v", output.Name)
- }
- }
- constant := ""
- if method.Const {
- constant = "constant "
- }
- return fmt.Sprintf("function %v(%v) %sreturns(%v)", method.RawName, strings.Join(inputs, ", "), constant, strings.Join(outputs, ", "))
-}
-
-// formatEvent transforms raw event representation into a user friendly one.
-func formatEvent(event abi.Event, structs map[string]*tmplStruct) string {
- inputs := make([]string, len(event.Inputs))
- for i, input := range event.Inputs {
- if input.Indexed {
- inputs[i] = fmt.Sprintf("%v indexed %v", resolveArgName(input, structs), input.Name)
- } else {
- inputs[i] = fmt.Sprintf("%v %v", resolveArgName(input, structs), input.Name)
- }
- }
- return fmt.Sprintf("event %v(%v)", event.RawName, strings.Join(inputs, ", "))
-}
diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go
deleted file mode 100644
index e90d02e..0000000
--- a/accounts/abi/bind/template.go
+++ /dev/null
@@ -1,616 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package bind
-
-import "github.com/ava-labs/coreth/accounts/abi"
-
-// tmplData is the data structure required to fill the binding template.
-type tmplData struct {
- Package string // Name of the package to place the generated file in
- Contracts map[string]*tmplContract // List of contracts to generate into this file
- Libraries map[string]string // Map the bytecode's link pattern to the library name
-}
-
-// tmplContract contains the data needed to generate an individual contract binding.
-type tmplContract struct {
- Type string // Type name of the main contract binding
- InputABI string // JSON ABI used as the input to generate the binding from
- InputBin string // Optional EVM bytecode used to denetare deploy code from
- FuncSigs map[string]string // Optional map: string signature -> 4-byte signature
- Constructor abi.Method // Contract constructor for deploy parametrization
- Calls map[string]*tmplMethod // Contract calls that only read state data
- Transacts map[string]*tmplMethod // Contract calls that write state data
- Events map[string]*tmplEvent // Contract events accessors
- Libraries map[string]string // Same as tmplData, but filtered to only keep what the contract needs
- Structs map[string]*tmplStruct // Contract struct type definitions
- Library bool
-}
-
-// tmplMethod is a wrapper around an abi.Method that contains a few preprocessed
-// and cached data fields.
-type tmplMethod struct {
- Original abi.Method // Original method as parsed by the abi package
- Normalized abi.Method // Normalized version of the parsed method (capitalized names, non-anonymous args/returns)
- Structured bool // Whether the returns should be accumulated into a struct
-}
-
-// tmplEvent is a wrapper around an a
-type tmplEvent struct {
- Original abi.Event // Original event as parsed by the abi package
- Normalized abi.Event // Normalized version of the parsed fields
-}
-
-// tmplField is a wrapper around a struct field with binding language
-// struct type definition and relative filed name.
-type tmplField struct {
- Type string // Field type representation depends on target binding language
- Name string // Field name converted from the raw user-defined field name
- SolKind abi.Type // Raw abi type information
-}
-
-// tmplStruct is a wrapper around an abi.tuple contains a auto-generated
-// struct name.
-type tmplStruct struct {
- Name string // Auto-generated struct name(We can't obtain the raw struct name through abi)
- Fields []*tmplField // Struct fields definition depends on the binding language.
-}
-
-// tmplSource is language to template mapping containing all the supported
-// programming languages the package can generate to.
-var tmplSource = map[Lang]string{
- LangGo: tmplSourceGo,
- LangJava: tmplSourceJava,
-}
-
-// tmplSourceGo is the Go source template use to generate the contract binding
-// based on.
-const tmplSourceGo = `
-// Code generated - DO NOT EDIT.
-// This file is a generated binding and any manual changes will be lost.
-
-package {{.Package}}
-
-import (
- "math/big"
- "strings"
-
- ethereum "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/coreth/accounts/abi"
- "github.com/ava-labs/coreth/accounts/abi/bind"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/event"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var (
- _ = big.NewInt
- _ = strings.NewReader
- _ = ethereum.NotFound
- _ = abi.U256
- _ = bind.Bind
- _ = common.Big1
- _ = types.BloomLookup
- _ = event.NewSubscription
-)
-
-{{range $contract := .Contracts}}
- {{$structs := $contract.Structs}}
- // {{.Type}}ABI is the input ABI used to generate the binding from.
- const {{.Type}}ABI = "{{.InputABI}}"
-
- {{if $contract.FuncSigs}}
- // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
- var {{.Type}}FuncSigs = map[string]string{
- {{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}",
- {{end}}
- }
- {{end}}
-
- {{if .InputBin}}
- // {{.Type}}Bin is the compiled bytecode used for deploying new contracts.
- var {{.Type}}Bin = "0x{{.InputBin}}"
-
- // Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
- func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
- parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
- if err != nil {
- return common.Address{}, nil, nil, err
- }
- {{range $pattern, $name := .Libraries}}
- {{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend)
- {{$contract.Type}}Bin = strings.Replace({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:], -1)
- {{end}}
- address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}})
- if err != nil {
- return common.Address{}, nil, nil, err
- }
- return address, tx, &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil
- }
- {{end}}
-
- // {{.Type}} is an auto generated Go binding around an Ethereum contract.
- type {{.Type}} struct {
- {{.Type}}Caller // Read-only binding to the contract
- {{.Type}}Transactor // Write-only binding to the contract
- {{.Type}}Filterer // Log filterer for contract events
- }
-
- // {{.Type}}Caller is an auto generated read-only Go binding around an Ethereum contract.
- type {{.Type}}Caller struct {
- contract *bind.BoundContract // Generic contract wrapper for the low level calls
- }
-
- // {{.Type}}Transactor is an auto generated write-only Go binding around an Ethereum contract.
- type {{.Type}}Transactor struct {
- contract *bind.BoundContract // Generic contract wrapper for the low level calls
- }
-
- // {{.Type}}Filterer is an auto generated log filtering Go binding around an Ethereum contract events.
- type {{.Type}}Filterer struct {
- contract *bind.BoundContract // Generic contract wrapper for the low level calls
- }
-
- // {{.Type}}Session is an auto generated Go binding around an Ethereum contract,
- // with pre-set call and transact options.
- type {{.Type}}Session struct {
- Contract *{{.Type}} // Generic contract binding to set the session for
- CallOpts bind.CallOpts // Call options to use throughout this session
- TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
- }
-
- // {{.Type}}CallerSession is an auto generated read-only Go binding around an Ethereum contract,
- // with pre-set call options.
- type {{.Type}}CallerSession struct {
- Contract *{{.Type}}Caller // Generic contract caller binding to set the session for
- CallOpts bind.CallOpts // Call options to use throughout this session
- }
-
- // {{.Type}}TransactorSession is an auto generated write-only Go binding around an Ethereum contract,
- // with pre-set transact options.
- type {{.Type}}TransactorSession struct {
- Contract *{{.Type}}Transactor // Generic contract transactor binding to set the session for
- TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
- }
-
- // {{.Type}}Raw is an auto generated low-level Go binding around an Ethereum contract.
- type {{.Type}}Raw struct {
- Contract *{{.Type}} // Generic contract binding to access the raw methods on
- }
-
- // {{.Type}}CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
- type {{.Type}}CallerRaw struct {
- Contract *{{.Type}}Caller // Generic read-only contract binding to access the raw methods on
- }
-
- // {{.Type}}TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
- type {{.Type}}TransactorRaw struct {
- Contract *{{.Type}}Transactor // Generic write-only contract binding to access the raw methods on
- }
-
- // New{{.Type}} creates a new instance of {{.Type}}, bound to a specific deployed contract.
- func New{{.Type}}(address common.Address, backend bind.ContractBackend) (*{{.Type}}, error) {
- contract, err := bind{{.Type}}(address, backend, backend, backend)
- if err != nil {
- return nil, err
- }
- return &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil
- }
-
- // New{{.Type}}Caller creates a new read-only instance of {{.Type}}, bound to a specific deployed contract.
- func New{{.Type}}Caller(address common.Address, caller bind.ContractCaller) (*{{.Type}}Caller, error) {
- contract, err := bind{{.Type}}(address, caller, nil, nil)
- if err != nil {
- return nil, err
- }
- return &{{.Type}}Caller{contract: contract}, nil
- }
-
- // New{{.Type}}Transactor creates a new write-only instance of {{.Type}}, bound to a specific deployed contract.
- func New{{.Type}}Transactor(address common.Address, transactor bind.ContractTransactor) (*{{.Type}}Transactor, error) {
- contract, err := bind{{.Type}}(address, nil, transactor, nil)
- if err != nil {
- return nil, err
- }
- return &{{.Type}}Transactor{contract: contract}, nil
- }
-
- // New{{.Type}}Filterer creates a new log filterer instance of {{.Type}}, bound to a specific deployed contract.
- func New{{.Type}}Filterer(address common.Address, filterer bind.ContractFilterer) (*{{.Type}}Filterer, error) {
- contract, err := bind{{.Type}}(address, nil, nil, filterer)
- if err != nil {
- return nil, err
- }
- return &{{.Type}}Filterer{contract: contract}, nil
- }
-
- // bind{{.Type}} binds a generic wrapper to an already deployed contract.
- func bind{{.Type}}(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
- parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
- if err != nil {
- return nil, err
- }
- return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
- }
-
- // Call invokes the (constant) contract method with params as input values and
- // sets the output to result. The result type might be a single field for simple
- // returns, a slice of interfaces for anonymous returns and a struct for named
- // returns.
- func (_{{$contract.Type}} *{{$contract.Type}}Raw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
- return _{{$contract.Type}}.Contract.{{$contract.Type}}Caller.contract.Call(opts, result, method, params...)
- }
-
- // Transfer initiates a plain transaction to move funds to the contract, calling
- // its default method if one is available.
- func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
- return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transfer(opts)
- }
-
- // Transact invokes the (paid) contract method with params as input values.
- func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
- return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transact(opts, method, params...)
- }
-
- // Call invokes the (constant) contract method with params as input values and
- // sets the output to result. The result type might be a single field for simple
- // returns, a slice of interfaces for anonymous returns and a struct for named
- // returns.
- func (_{{$contract.Type}} *{{$contract.Type}}CallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
- return _{{$contract.Type}}.Contract.contract.Call(opts, result, method, params...)
- }
-
- // Transfer initiates a plain transaction to move funds to the contract, calling
- // its default method if one is available.
- func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
- return _{{$contract.Type}}.Contract.contract.Transfer(opts)
- }
-
- // Transact invokes the (paid) contract method with params as input values.
- func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
- return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...)
- }
-
- {{range .Structs}}
- // {{.Name}} is an auto generated low-level Go binding around an user-defined struct.
- type {{.Name}} struct {
- {{range $field := .Fields}}
- {{$field.Name}} {{$field.Type}}{{end}}
- }
- {{end}}
-
- {{range .Calls}}
- // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatmethod .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}}{{end}} error) {
- {{if .Structured}}ret := new(struct{
- {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}}
- {{end}}
- }){{else}}var (
- {{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type $structs}})
- {{end}}
- ){{end}}
- out := {{if .Structured}}ret{{else}}{{if eq (len .Normalized.Outputs) 1}}ret0{{else}}&[]interface{}{
- {{range $i, $_ := .Normalized.Outputs}}ret{{$i}},
- {{end}}
- }{{end}}{{end}}
- err := _{{$contract.Type}}.contract.Call(opts, out, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
- return {{if .Structured}}*ret,{{else}}{{range $i, $_ := .Normalized.Outputs}}*ret{{$i}},{{end}}{{end}} err
- }
-
- // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatmethod .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) {
- return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
- }
-
- // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatmethod .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) {
- return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
- }
- {{end}}
-
- {{range .Transacts}}
- // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatmethod .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
- return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
- }
-
- // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatmethod .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
- return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
- }
-
- // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatmethod .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
- return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
- }
- {{end}}
-
- {{range .Events}}
- // {{$contract.Type}}{{.Normalized.Name}}Iterator is returned from Filter{{.Normalized.Name}} and is used to iterate over the raw logs and unpacked data for {{.Normalized.Name}} events raised by the {{$contract.Type}} contract.
- type {{$contract.Type}}{{.Normalized.Name}}Iterator struct {
- Event *{{$contract.Type}}{{.Normalized.Name}} // Event containing the contract specifics and raw log
-
- contract *bind.BoundContract // Generic contract to use for unpacking event data
- event string // Event name to use for unpacking event data
-
- logs chan types.Log // Log channel receiving the found contract events
- sub ethereum.Subscription // Subscription for errors, completion and termination
- done bool // Whether the subscription completed delivering logs
- fail error // Occurred error to stop iteration
- }
- // Next advances the iterator to the subsequent event, returning whether there
- // are any more events found. In case of a retrieval or parsing error, false is
- // returned and Error() can be queried for the exact failure.
- func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Next() bool {
- // If the iterator failed, stop iterating
- if (it.fail != nil) {
- return false
- }
- // If the iterator completed, deliver directly whatever's available
- if (it.done) {
- select {
- case log := <-it.logs:
- it.Event = new({{$contract.Type}}{{.Normalized.Name}})
- if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
- it.fail = err
- return false
- }
- it.Event.Raw = log
- return true
-
- default:
- return false
- }
- }
- // Iterator still in progress, wait for either a data or an error event
- select {
- case log := <-it.logs:
- it.Event = new({{$contract.Type}}{{.Normalized.Name}})
- if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
- it.fail = err
- return false
- }
- it.Event.Raw = log
- return true
-
- case err := <-it.sub.Err():
- it.done = true
- it.fail = err
- return it.Next()
- }
- }
- // Error returns any retrieval or parsing error occurred during filtering.
- func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Error() error {
- return it.fail
- }
- // Close terminates the iteration process, releasing any pending underlying
- // resources.
- func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Close() error {
- it.sub.Unsubscribe()
- return nil
- }
-
- // {{$contract.Type}}{{.Normalized.Name}} represents a {{.Normalized.Name}} event raised by the {{$contract.Type}} contract.
- type {{$contract.Type}}{{.Normalized.Name}} struct { {{range .Normalized.Inputs}}
- {{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type $structs}}{{else}}{{bindtype .Type $structs}}{{end}}; {{end}}
- Raw types.Log // Blockchain specific contextual infos
- }
-
- // Filter{{.Normalized.Name}} is a free log retrieval operation binding the contract event 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatevent .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) {
- {{range .Normalized.Inputs}}
- {{if .Indexed}}var {{.Name}}Rule []interface{}
- for _, {{.Name}}Item := range {{.Name}} {
- {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item)
- }{{end}}{{end}}
-
- logs, sub, err := _{{$contract.Type}}.contract.FilterLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}})
- if err != nil {
- return nil, err
- }
- return &{{$contract.Type}}{{.Normalized.Name}}Iterator{contract: _{{$contract.Type}}.contract, event: "{{.Original.Name}}", logs: logs, sub: sub}, nil
- }
-
- // Watch{{.Normalized.Name}} is a free log subscription operation binding the contract event 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{formatevent .Original $structs}}
- func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (event.Subscription, error) {
- {{range .Normalized.Inputs}}
- {{if .Indexed}}var {{.Name}}Rule []interface{}
- for _, {{.Name}}Item := range {{.Name}} {
- {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item)
- }{{end}}{{end}}
-
- logs, sub, err := _{{$contract.Type}}.contract.WatchLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}})
- if err != nil {
- return nil, err
- }
- return event.NewSubscription(func(quit <-chan struct{}) error {
- defer sub.Unsubscribe()
- for {
- select {
- case log := <-logs:
- // New log arrived, parse the event and forward to the user
- event := new({{$contract.Type}}{{.Normalized.Name}})
- if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil {
- return err
- }
- event.Raw = log
-
- select {
- case sink <- event:
- case err := <-sub.Err():
- return err
- case <-quit:
- return nil
- }
- case err := <-sub.Err():
- return err
- case <-quit:
- return nil
- }
- }
- }), nil
- }
-
- // Parse{{.Normalized.Name}} is a log parse operation binding the contract event 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{.Original.String}}
- func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Parse{{.Normalized.Name}}(log types.Log) (*{{$contract.Type}}{{.Normalized.Name}}, error) {
- event := new({{$contract.Type}}{{.Normalized.Name}})
- if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil {
- return nil, err
- }
- return event, nil
- }
-
- {{end}}
-{{end}}
-`
-
-// tmplSourceJava is the Java source template use to generate the contract binding
-// based on.
-const tmplSourceJava = `
-// This file is an automatically generated Java binding. Do not modify as any
-// change will likely be lost upon the next re-generation!
-
-package {{.Package}};
-
-import org.ethereum.geth.*;
-import java.util.*;
-
-{{range $contract := .Contracts}}
-{{$structs := $contract.Structs}}
-{{if not .Library}}public {{end}}class {{.Type}} {
- // ABI is the input ABI used to generate the binding from.
- public final static String ABI = "{{.InputABI}}";
- {{if $contract.FuncSigs}}
- // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
- public final static Map<String, String> {{.Type}}FuncSigs;
- static {
- Hashtable<String, String> temp = new Hashtable<String, String>();
- {{range $strsig, $binsig := .FuncSigs}}temp.put("{{$binsig}}", "{{$strsig}}");
- {{end}}
- {{.Type}}FuncSigs = Collections.unmodifiableMap(temp);
- }
- {{end}}
- {{if .InputBin}}
- // BYTECODE is the compiled bytecode used for deploying new contracts.
- public final static String BYTECODE = "0x{{.InputBin}}";
-
- // deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
- public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
- Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}});
- String bytecode = BYTECODE;
- {{if .Libraries}}
-
- // "link" contract to dependent libraries by deploying them first.
- {{range $pattern, $name := .Libraries}}
- {{capitalise $name}} {{decapitalise $name}}Inst = {{capitalise $name}}.deploy(auth, client);
- bytecode = bytecode.replace("__${{$pattern}}$__", {{decapitalise $name}}Inst.Address.getHex().substring(2));
- {{end}}
- {{end}}
- {{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
- {{end}}
- return new {{.Type}}(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args));
- }
-
- // Internal constructor used by contract deployment.
- private {{.Type}}(BoundContract deployment) {
- this.Address = deployment.getAddress();
- this.Deployer = deployment.getDeployer();
- this.Contract = deployment;
- }
- {{end}}
-
- // Ethereum address where this contract is located at.
- public final Address Address;
-
- // Ethereum transaction in which this contract was deployed (if known!).
- public final Transaction Deployer;
-
- // Contract instance bound to a blockchain address.
- private final BoundContract Contract;
-
- // Creates a new instance of {{.Type}}, bound to a specific deployed contract.
- public {{.Type}}(Address address, EthereumClient client) throws Exception {
- this(Geth.bindContract(address, ABI, client));
- }
-
- {{range .Calls}}
- {{if gt (len .Normalized.Outputs) 1}}
- // {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}.
- public class {{capitalise .Normalized.Name}}Results {
- {{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type $structs}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}};
- {{end}}
- }
- {{end}}
-
- // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{.Original.String}}
- public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
- Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
- {{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
- {{end}}
-
- Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}});
- {{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type $structs) .Type}}(); results.set({{$index}}, result{{$index}});
- {{end}}
-
- if (opts == null) {
- opts = Geth.newCallOpts();
- }
- this.Contract.call(opts, results, "{{.Original.Name}}", args);
- {{if gt (len .Normalized.Outputs) 1}}
- {{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results();
- {{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type $structs) .Type}}();
- {{end}}
- return result;
- {{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type $structs) .Type}}();{{end}}
- {{end}}
- }
- {{end}}
-
- {{range .Transacts}}
- // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
- //
- // Solidity: {{.Original.String}}
- public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception {
- Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}});
- {{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}});
- {{end}}
- return this.Contract.transact(opts, "{{.Original.Name}}" , args);
- }
- {{end}}
-}
-{{end}}
-`
diff --git a/accounts/abi/bind/topics.go b/accounts/abi/bind/topics.go
deleted file mode 100644
index 58e4ff3..0000000
--- a/accounts/abi/bind/topics.go
+++ /dev/null
@@ -1,241 +0,0 @@
-// Copyright 2018 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package bind
-
-import (
- "encoding/binary"
- "errors"
- "fmt"
- "math/big"
- "reflect"
-
- "github.com/ava-labs/coreth/accounts/abi"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
-)
-
-// makeTopics converts a filter query argument list into a filter topic set.
-func makeTopics(query ...[]interface{}) ([][]common.Hash, error) {
- topics := make([][]common.Hash, len(query))
- for i, filter := range query {
- for _, rule := range filter {
- var topic common.Hash
-
- // Try to generate the topic based on simple types
- switch rule := rule.(type) {
- case common.Hash:
- copy(topic[:], rule[:])
- case common.Address:
- copy(topic[common.HashLength-common.AddressLength:], rule[:])
- case *big.Int:
- blob := rule.Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case bool:
- if rule {
- topic[common.HashLength-1] = 1
- }
- case int8:
- blob := big.NewInt(int64(rule)).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case int16:
- blob := big.NewInt(int64(rule)).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case int32:
- blob := big.NewInt(int64(rule)).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case int64:
- blob := big.NewInt(rule).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case uint8:
- blob := new(big.Int).SetUint64(uint64(rule)).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case uint16:
- blob := new(big.Int).SetUint64(uint64(rule)).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case uint32:
- blob := new(big.Int).SetUint64(uint64(rule)).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case uint64:
- blob := new(big.Int).SetUint64(rule).Bytes()
- copy(topic[common.HashLength-len(blob):], blob)
- case string:
- hash := crypto.Keccak256Hash([]byte(rule))
- copy(topic[:], hash[:])
- case []byte:
- hash := crypto.Keccak256Hash(rule)
- copy(topic[:], hash[:])
-
- default:
- // Attempt to generate the topic from funky types
- val := reflect.ValueOf(rule)
-
- switch {
-
- // static byte array
- case val.Kind() == reflect.Array && reflect.TypeOf(rule).Elem().Kind() == reflect.Uint8:
- reflect.Copy(reflect.ValueOf(topic[:val.Len()]), val)
-
- default:
- return nil, fmt.Errorf("unsupported indexed type: %T", rule)
- }
- }
- topics[i] = append(topics[i], topic)
- }
- }
- return topics, nil
-}
-
-// Big batch of reflect types for topic reconstruction.
-var (
- reflectHash = reflect.TypeOf(common.Hash{})
- reflectAddress = reflect.TypeOf(common.Address{})
- reflectBigInt = reflect.TypeOf(new(big.Int))
-)
-
-// parseTopics converts the indexed topic fields into actual log field values.
-//
-// Note, dynamic types cannot be reconstructed since they get mapped to Keccak256
-// hashes as the topic value!
-func parseTopics(out interface{}, fields abi.Arguments, topics []common.Hash) error {
- // Sanity check that the fields and topics match up
- if len(fields) != len(topics) {
- return errors.New("topic/field count mismatch")
- }
- // Iterate over all the fields and reconstruct them from topics
- for _, arg := range fields {
- if !arg.Indexed {
- return errors.New("non-indexed field in topic reconstruction")
- }
- field := reflect.ValueOf(out).Elem().FieldByName(capitalise(arg.Name))
-
- // Try to parse the topic back into the fields based on primitive types
- switch field.Kind() {
- case reflect.Bool:
- if topics[0][common.HashLength-1] == 1 {
- field.Set(reflect.ValueOf(true))
- }
- case reflect.Int8:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(int8(num.Int64())))
-
- case reflect.Int16:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(int16(num.Int64())))
-
- case reflect.Int32:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(int32(num.Int64())))
-
- case reflect.Int64:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(num.Int64()))
-
- case reflect.Uint8:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(uint8(num.Uint64())))
-
- case reflect.Uint16:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(uint16(num.Uint64())))
-
- case reflect.Uint32:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(uint32(num.Uint64())))
-
- case reflect.Uint64:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(num.Uint64()))
-
- default:
- // Ran out of plain primitive types, try custom types
- switch field.Type() {
- case reflectHash: // Also covers all dynamic types
- field.Set(reflect.ValueOf(topics[0]))
-
- case reflectAddress:
- var addr common.Address
- copy(addr[:], topics[0][common.HashLength-common.AddressLength:])
- field.Set(reflect.ValueOf(addr))
-
- case reflectBigInt:
- num := new(big.Int).SetBytes(topics[0][:])
- field.Set(reflect.ValueOf(num))
-
- default:
- // Ran out of custom types, try the crazies
- switch {
-
- // static byte array
- case arg.Type.T == abi.FixedBytesTy:
- reflect.Copy(field, reflect.ValueOf(topics[0][:arg.Type.Size]))
-
- default:
- return fmt.Errorf("unsupported indexed type: %v", arg.Type)
- }
- }
- }
- topics = topics[1:]
- }
- return nil
-}
-
-// parseTopicsIntoMap converts the indexed topic field-value pairs into map key-value pairs
-func parseTopicsIntoMap(out map[string]interface{}, fields abi.Arguments, topics []common.Hash) error {
- // Sanity check that the fields and topics match up
- if len(fields) != len(topics) {
- return errors.New("topic/field count mismatch")
- }
- // Iterate over all the fields and reconstruct them from topics
- for _, arg := range fields {
- if !arg.Indexed {
- return errors.New("non-indexed field in topic reconstruction")
- }
-
- switch arg.Type.T {
- case abi.BoolTy:
- out[arg.Name] = topics[0][common.HashLength-1] == 1
- case abi.IntTy, abi.UintTy:
- num := new(big.Int).SetBytes(topics[0][:])
- out[arg.Name] = num
- case abi.AddressTy:
- var addr common.Address
- copy(addr[:], topics[0][common.HashLength-common.AddressLength:])
- out[arg.Name] = addr
- case abi.HashTy:
- out[arg.Name] = topics[0]
- case abi.FixedBytesTy:
- out[arg.Name] = topics[0][:]
- case abi.StringTy, abi.BytesTy, abi.SliceTy, abi.ArrayTy:
- // Array types (including strings and bytes) have their keccak256 hashes stored in the topic- not a hash
- // whose bytes can be decoded to the actual value- so the best we can do is retrieve that hash
- out[arg.Name] = topics[0]
- case abi.FunctionTy:
- if garbage := binary.BigEndian.Uint64(topics[0][0:8]); garbage != 0 {
- return fmt.Errorf("bind: got improperly encoded function type, got %v", topics[0].Bytes())
- }
- var tmp [24]byte
- copy(tmp[:], topics[0][8:32])
- out[arg.Name] = tmp
- default: // Not handling tuples
- return fmt.Errorf("unsupported indexed type: %v", arg.Type)
- }
-
- topics = topics[1:]
- }
-
- return nil
-}
diff --git a/accounts/abi/bind/util.go b/accounts/abi/bind/util.go
deleted file mode 100644
index b3ec22c..0000000
--- a/accounts/abi/bind/util.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package bind
-
-import (
- "context"
- "fmt"
- "time"
-
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
-)
-
-// WaitMined waits for tx to be mined on the blockchain.
-// It stops waiting when the context is canceled.
-func WaitMined(ctx context.Context, b DeployBackend, tx *types.Transaction) (*types.Receipt, error) {
- queryTicker := time.NewTicker(time.Second)
- defer queryTicker.Stop()
-
- logger := log.New("hash", tx.Hash())
- for {
- receipt, err := b.TransactionReceipt(ctx, tx.Hash())
- if receipt != nil {
- return receipt, nil
- }
- if err != nil {
- logger.Trace("Receipt retrieval failed", "err", err)
- } else {
- logger.Trace("Transaction not yet mined")
- }
- // Wait for the next round.
- select {
- case <-ctx.Done():
- return nil, ctx.Err()
- case <-queryTicker.C:
- }
- }
-}
-
-// WaitDeployed waits for a contract deployment transaction and returns the on-chain
-// contract address when it is mined. It stops waiting when ctx is canceled.
-func WaitDeployed(ctx context.Context, b DeployBackend, tx *types.Transaction) (common.Address, error) {
- if tx.To() != nil {
- return common.Address{}, fmt.Errorf("tx is not contract creation")
- }
- receipt, err := WaitMined(ctx, b, tx)
- if err != nil {
- return common.Address{}, err
- }
- if receipt.ContractAddress == (common.Address{}) {
- return common.Address{}, fmt.Errorf("zero address")
- }
- // Check that code has indeed been deployed at the address.
- // This matters on pre-Homestead chains: OOG in the constructor
- // could leave an empty account behind.
- code, err := b.CodeAt(ctx, receipt.ContractAddress, nil)
- if err == nil && len(code) == 0 {
- err = ErrNoCodeAfterDeploy
- }
- return receipt.ContractAddress, err
-}
diff --git a/accounts/abi/doc.go b/accounts/abi/doc.go
deleted file mode 100644
index 8242068..0000000
--- a/accounts/abi/doc.go
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-// Package abi implements the Ethereum ABI (Application Binary
-// Interface).
-//
-// The Ethereum ABI is strongly typed, known at compile time
-// and static. This ABI will handle basic type casting; unsigned
-// to signed and visa versa. It does not handle slice casting such
-// as unsigned slice to signed slice. Bit size type casting is also
-// handled. ints with a bit size of 32 will be properly cast to int256,
-// etc.
-package abi
diff --git a/accounts/abi/error.go b/accounts/abi/error.go
deleted file mode 100644
index 9d8674a..0000000
--- a/accounts/abi/error.go
+++ /dev/null
@@ -1,84 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "errors"
- "fmt"
- "reflect"
-)
-
-var (
- errBadBool = errors.New("abi: improperly encoded boolean value")
-)
-
-// formatSliceString formats the reflection kind with the given slice size
-// and returns a formatted string representation.
-func formatSliceString(kind reflect.Kind, sliceSize int) string {
- if sliceSize == -1 {
- return fmt.Sprintf("[]%v", kind)
- }
- return fmt.Sprintf("[%d]%v", sliceSize, kind)
-}
-
-// sliceTypeCheck checks that the given slice can by assigned to the reflection
-// type in t.
-func sliceTypeCheck(t Type, val reflect.Value) error {
- if val.Kind() != reflect.Slice && val.Kind() != reflect.Array {
- return typeErr(formatSliceString(t.Kind, t.Size), val.Type())
- }
-
- if t.T == ArrayTy && val.Len() != t.Size {
- return typeErr(formatSliceString(t.Elem.Kind, t.Size), formatSliceString(val.Type().Elem().Kind(), val.Len()))
- }
-
- if t.Elem.T == SliceTy {
- if val.Len() > 0 {
- return sliceTypeCheck(*t.Elem, val.Index(0))
- }
- } else if t.Elem.T == ArrayTy {
- return sliceTypeCheck(*t.Elem, val.Index(0))
- }
-
- if elemKind := val.Type().Elem().Kind(); elemKind != t.Elem.Kind {
- return typeErr(formatSliceString(t.Elem.Kind, t.Size), val.Type())
- }
- return nil
-}
-
-// typeCheck checks that the given reflection value can be assigned to the reflection
-// type in t.
-func typeCheck(t Type, value reflect.Value) error {
- if t.T == SliceTy || t.T == ArrayTy {
- return sliceTypeCheck(t, value)
- }
-
- // Check base type validity. Element types will be checked later on.
- if t.Kind != value.Kind() {
- return typeErr(t.Kind, value.Kind())
- } else if t.T == FixedBytesTy && t.Size != value.Len() {
- return typeErr(t.Type, value.Type())
- } else {
- return nil
- }
-
-}
-
-// typeErr returns a formatted type casting error.
-func typeErr(expected, got interface{}) error {
- return fmt.Errorf("abi: cannot use %v as type %v as argument", got, expected)
-}
diff --git a/accounts/abi/event.go b/accounts/abi/event.go
deleted file mode 100644
index 7a41baa..0000000
--- a/accounts/abi/event.go
+++ /dev/null
@@ -1,77 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "fmt"
- "strings"
-
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
-)
-
-// Event is an event potentially triggered by the EVM's LOG mechanism. The Event
-// holds type information (inputs) about the yielded output. Anonymous events
-// don't get the signature canonical representation as the first LOG topic.
-type Event struct {
- // Name is the event name used for internal representation. It's derived from
- // the raw name and a suffix will be added in the case of a event overload.
- //
- // e.g.
- // There are two events have same name:
- // * foo(int,int)
- // * foo(uint,uint)
- // The event name of the first one wll be resolved as foo while the second one
- // will be resolved as foo0.
- Name string
- // RawName is the raw event name parsed from ABI.
- RawName string
- Anonymous bool
- Inputs Arguments
-}
-
-func (e Event) String() string {
- inputs := make([]string, len(e.Inputs))
- for i, input := range e.Inputs {
- inputs[i] = fmt.Sprintf("%v %v", input.Type, input.Name)
- if input.Indexed {
- inputs[i] = fmt.Sprintf("%v indexed %v", input.Type, input.Name)
- }
- }
- return fmt.Sprintf("event %v(%v)", e.RawName, strings.Join(inputs, ", "))
-}
-
-// Sig returns the event string signature according to the ABI spec.
-//
-// Example
-//
-// event foo(uint32 a, int b) = "foo(uint32,int256)"
-//
-// Please note that "int" is substitute for its canonical representation "int256"
-func (e Event) Sig() string {
- types := make([]string, len(e.Inputs))
- for i, input := range e.Inputs {
- types[i] = input.Type.String()
- }
- return fmt.Sprintf("%v(%v)", e.RawName, strings.Join(types, ","))
-}
-
-// ID returns the canonical representation of the event's signature used by the
-// abi definition to identify event names and types.
-func (e Event) ID() common.Hash {
- return common.BytesToHash(crypto.Keccak256([]byte(e.Sig())))
-}
diff --git a/accounts/abi/method.go b/accounts/abi/method.go
deleted file mode 100644
index 9cceaba..0000000
--- a/accounts/abi/method.go
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "fmt"
- "strings"
-
- "github.com/ava-labs/go-ethereum/crypto"
-)
-
-// Method represents a callable given a `Name` and whether the method is a constant.
-// If the method is `Const` no transaction needs to be created for this
-// particular Method call. It can easily be simulated using a local VM.
-// For example a `Balance()` method only needs to retrieve something
-// from the storage and therefore requires no Tx to be send to the
-// network. A method such as `Transact` does require a Tx and thus will
-// be flagged `false`.
-// Input specifies the required input parameters for this gives method.
-type Method struct {
- // Name is the method name used for internal representation. It's derived from
- // the raw name and a suffix will be added in the case of a function overload.
- //
- // e.g.
- // There are two functions have same name:
- // * foo(int,int)
- // * foo(uint,uint)
- // The method name of the first one will be resolved as foo while the second one
- // will be resolved as foo0.
- Name string
- // RawName is the raw method name parsed from ABI.
- RawName string
- Const bool
- Inputs Arguments
- Outputs Arguments
-}
-
-// Sig returns the methods string signature according to the ABI spec.
-//
-// Example
-//
-// function foo(uint32 a, int b) = "foo(uint32,int256)"
-//
-// Please note that "int" is substitute for its canonical representation "int256"
-func (method Method) Sig() string {
- types := make([]string, len(method.Inputs))
- for i, input := range method.Inputs {
- types[i] = input.Type.String()
- }
- return fmt.Sprintf("%v(%v)", method.RawName, strings.Join(types, ","))
-}
-
-func (method Method) String() string {
- inputs := make([]string, len(method.Inputs))
- for i, input := range method.Inputs {
- inputs[i] = fmt.Sprintf("%v %v", input.Type, input.Name)
- }
- outputs := make([]string, len(method.Outputs))
- for i, output := range method.Outputs {
- outputs[i] = output.Type.String()
- if len(output.Name) > 0 {
- outputs[i] += fmt.Sprintf(" %v", output.Name)
- }
- }
- constant := ""
- if method.Const {
- constant = "constant "
- }
- return fmt.Sprintf("function %v(%v) %sreturns(%v)", method.RawName, strings.Join(inputs, ", "), constant, strings.Join(outputs, ", "))
-}
-
-// ID returns the canonical representation of the method's signature used by the
-// abi definition to identify method names and types.
-func (method Method) ID() []byte {
- return crypto.Keccak256([]byte(method.Sig()))[:4]
-}
diff --git a/accounts/abi/numbers.go b/accounts/abi/numbers.go
deleted file mode 100644
index c2e844c..0000000
--- a/accounts/abi/numbers.go
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "math/big"
- "reflect"
-
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
-)
-
-var (
- bigT = reflect.TypeOf(&big.Int{})
- derefbigT = reflect.TypeOf(big.Int{})
- uint8T = reflect.TypeOf(uint8(0))
- uint16T = reflect.TypeOf(uint16(0))
- uint32T = reflect.TypeOf(uint32(0))
- uint64T = reflect.TypeOf(uint64(0))
- int8T = reflect.TypeOf(int8(0))
- int16T = reflect.TypeOf(int16(0))
- int32T = reflect.TypeOf(int32(0))
- int64T = reflect.TypeOf(int64(0))
- addressT = reflect.TypeOf(common.Address{})
-)
-
-// U256 converts a big Int into a 256bit EVM number.
-func U256(n *big.Int) []byte {
- return math.PaddedBigBytes(math.U256(n), 32)
-}
diff --git a/accounts/abi/pack.go b/accounts/abi/pack.go
deleted file mode 100644
index d88dde8..0000000
--- a/accounts/abi/pack.go
+++ /dev/null
@@ -1,81 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "math/big"
- "reflect"
-
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
-)
-
-// packBytesSlice packs the given bytes as [L, V] as the canonical representation
-// bytes slice
-func packBytesSlice(bytes []byte, l int) []byte {
- len := packNum(reflect.ValueOf(l))
- return append(len, common.RightPadBytes(bytes, (l+31)/32*32)...)
-}
-
-// packElement packs the given reflect value according to the abi specification in
-// t.
-func packElement(t Type, reflectValue reflect.Value) []byte {
- switch t.T {
- case IntTy, UintTy:
- return packNum(reflectValue)
- case StringTy:
- return packBytesSlice([]byte(reflectValue.String()), reflectValue.Len())
- case AddressTy:
- if reflectValue.Kind() == reflect.Array {
- reflectValue = mustArrayToByteSlice(reflectValue)
- }
-
- return common.LeftPadBytes(reflectValue.Bytes(), 32)
- case BoolTy:
- if reflectValue.Bool() {
- return math.PaddedBigBytes(common.Big1, 32)
- }
- return math.PaddedBigBytes(common.Big0, 32)
- case BytesTy:
- if reflectValue.Kind() == reflect.Array {
- reflectValue = mustArrayToByteSlice(reflectValue)
- }
- return packBytesSlice(reflectValue.Bytes(), reflectValue.Len())
- case FixedBytesTy, FunctionTy:
- if reflectValue.Kind() == reflect.Array {
- reflectValue = mustArrayToByteSlice(reflectValue)
- }
- return common.RightPadBytes(reflectValue.Bytes(), 32)
- default:
- panic("abi: fatal error")
- }
-}
-
-// packNum packs the given number (using the reflect value) and will cast it to appropriate number representation
-func packNum(value reflect.Value) []byte {
- switch kind := value.Kind(); kind {
- case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
- return U256(new(big.Int).SetUint64(value.Uint()))
- case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
- return U256(big.NewInt(value.Int()))
- case reflect.Ptr:
- return U256(value.Interface().(*big.Int))
- default:
- panic("abi: fatal error")
- }
-
-}
diff --git a/accounts/abi/reflect.go b/accounts/abi/reflect.go
deleted file mode 100644
index 73ca8fa..0000000
--- a/accounts/abi/reflect.go
+++ /dev/null
@@ -1,226 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "fmt"
- "reflect"
- "strings"
-)
-
-// indirect recursively dereferences the value until it either gets the value
-// or finds a big.Int
-func indirect(v reflect.Value) reflect.Value {
- if v.Kind() == reflect.Ptr && v.Elem().Type() != derefbigT {
- return indirect(v.Elem())
- }
- return v
-}
-
-// indirectInterfaceOrPtr recursively dereferences the value until value is not interface.
-func indirectInterfaceOrPtr(v reflect.Value) reflect.Value {
- if (v.Kind() == reflect.Interface || v.Kind() == reflect.Ptr) && v.Elem().IsValid() {
- return indirect(v.Elem())
- }
- return v
-}
-
-// reflectIntKind returns the reflect using the given size and
-// unsignedness.
-func reflectIntKindAndType(unsigned bool, size int) (reflect.Kind, reflect.Type) {
- switch size {
- case 8:
- if unsigned {
- return reflect.Uint8, uint8T
- }
- return reflect.Int8, int8T
- case 16:
- if unsigned {
- return reflect.Uint16, uint16T
- }
- return reflect.Int16, int16T
- case 32:
- if unsigned {
- return reflect.Uint32, uint32T
- }
- return reflect.Int32, int32T
- case 64:
- if unsigned {
- return reflect.Uint64, uint64T
- }
- return reflect.Int64, int64T
- }
- return reflect.Ptr, bigT
-}
-
-// mustArrayToBytesSlice creates a new byte slice with the exact same size as value
-// and copies the bytes in value to the new slice.
-func mustArrayToByteSlice(value reflect.Value) reflect.Value {
- slice := reflect.MakeSlice(reflect.TypeOf([]byte{}), value.Len(), value.Len())
- reflect.Copy(slice, value)
- return slice
-}
-
-// set attempts to assign src to dst by either setting, copying or otherwise.
-//
-// set is a bit more lenient when it comes to assignment and doesn't force an as
-// strict ruleset as bare `reflect` does.
-func set(dst, src reflect.Value) error {
- dstType, srcType := dst.Type(), src.Type()
- switch {
- case dstType.Kind() == reflect.Interface && dst.Elem().IsValid():
- return set(dst.Elem(), src)
- case dstType.Kind() == reflect.Ptr && dstType.Elem() != derefbigT:
- return set(dst.Elem(), src)
- case srcType.AssignableTo(dstType) && dst.CanSet():
- dst.Set(src)
- case dstType.Kind() == reflect.Slice && srcType.Kind() == reflect.Slice:
- return setSlice(dst, src)
- default:
- return fmt.Errorf("abi: cannot unmarshal %v in to %v", src.Type(), dst.Type())
- }
- return nil
-}
-
-// setSlice attempts to assign src to dst when slices are not assignable by default
-// e.g. src: [][]byte -> dst: [][15]byte
-func setSlice(dst, src reflect.Value) error {
- slice := reflect.MakeSlice(dst.Type(), src.Len(), src.Len())
- for i := 0; i < src.Len(); i++ {
- v := src.Index(i)
- reflect.Copy(slice.Index(i), v)
- }
-
- dst.Set(slice)
- return nil
-}
-
-// requireAssignable assures that `dest` is a pointer and it's not an interface.
-func requireAssignable(dst, src reflect.Value) error {
- if dst.Kind() != reflect.Ptr && dst.Kind() != reflect.Interface {
- return fmt.Errorf("abi: cannot unmarshal %v into %v", src.Type(), dst.Type())
- }
- return nil
-}
-
-// requireUnpackKind verifies preconditions for unpacking `args` into `kind`
-func requireUnpackKind(v reflect.Value, t reflect.Type, k reflect.Kind,
- args Arguments) error {
-
- switch k {
- case reflect.Struct:
- case reflect.Slice, reflect.Array:
- if minLen := args.LengthNonIndexed(); v.Len() < minLen {
- return fmt.Errorf("abi: insufficient number of elements in the list/array for unpack, want %d, got %d",
- minLen, v.Len())
- }
- default:
- return fmt.Errorf("abi: cannot unmarshal tuple into %v", t)
- }
- return nil
-}
-
-// mapArgNamesToStructFields maps a slice of argument names to struct fields.
-// first round: for each Exportable field that contains a `abi:""` tag
-// and this field name exists in the given argument name list, pair them together.
-// second round: for each argument name that has not been already linked,
-// find what variable is expected to be mapped into, if it exists and has not been
-// used, pair them.
-// Note this function assumes the given value is a struct value.
-func mapArgNamesToStructFields(argNames []string, value reflect.Value) (map[string]string, error) {
- typ := value.Type()
-
- abi2struct := make(map[string]string)
- struct2abi := make(map[string]string)
-
- // first round ~~~
- for i := 0; i < typ.NumField(); i++ {
- structFieldName := typ.Field(i).Name
-
- // skip private struct fields.
- if structFieldName[:1] != strings.ToUpper(structFieldName[:1]) {
- continue
- }
- // skip fields that have no abi:"" tag.
- var ok bool
- var tagName string
- if tagName, ok = typ.Field(i).Tag.Lookup("abi"); !ok {
- continue
- }
- // check if tag is empty.
- if tagName == "" {
- return nil, fmt.Errorf("struct: abi tag in '%s' is empty", structFieldName)
- }
- // check which argument field matches with the abi tag.
- found := false
- for _, arg := range argNames {
- if arg == tagName {
- if abi2struct[arg] != "" {
- return nil, fmt.Errorf("struct: abi tag in '%s' already mapped", structFieldName)
- }
- // pair them
- abi2struct[arg] = structFieldName
- struct2abi[structFieldName] = arg
- found = true
- }
- }
- // check if this tag has been mapped.
- if !found {
- return nil, fmt.Errorf("struct: abi tag '%s' defined but not found in abi", tagName)
- }
- }
-
- // second round ~~~
- for _, argName := range argNames {
-
- structFieldName := ToCamelCase(argName)
-
- if structFieldName == "" {
- return nil, fmt.Errorf("abi: purely underscored output cannot unpack to struct")
- }
-
- // this abi has already been paired, skip it... unless there exists another, yet unassigned
- // struct field with the same field name. If so, raise an error:
- // abi: [ { "name": "value" } ]
- // struct { Value *big.Int , Value1 *big.Int `abi:"value"`}
- if abi2struct[argName] != "" {
- if abi2struct[argName] != structFieldName &&
- struct2abi[structFieldName] == "" &&
- value.FieldByName(structFieldName).IsValid() {
- return nil, fmt.Errorf("abi: multiple variables maps to the same abi field '%s'", argName)
- }
- continue
- }
-
- // return an error if this struct field has already been paired.
- if struct2abi[structFieldName] != "" {
- return nil, fmt.Errorf("abi: multiple outputs mapping to the same struct field '%s'", structFieldName)
- }
-
- if value.FieldByName(structFieldName).IsValid() {
- // pair them
- abi2struct[argName] = structFieldName
- struct2abi[structFieldName] = argName
- } else {
- // not paired, but annotate as used, to detect cases like
- // abi : [ { "name": "value" }, { "name": "_value" } ]
- // struct { Value *big.Int }
- struct2abi[structFieldName] = argName
- }
- }
- return abi2struct, nil
-}
diff --git a/accounts/abi/type.go b/accounts/abi/type.go
deleted file mode 100644
index 597d314..0000000
--- a/accounts/abi/type.go
+++ /dev/null
@@ -1,348 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "errors"
- "fmt"
- "reflect"
- "regexp"
- "strconv"
- "strings"
-)
-
-// Type enumerator
-const (
- IntTy byte = iota
- UintTy
- BoolTy
- StringTy
- SliceTy
- ArrayTy
- TupleTy
- AddressTy
- FixedBytesTy
- BytesTy
- HashTy
- FixedPointTy
- FunctionTy
-)
-
-// Type is the reflection of the supported argument type
-type Type struct {
- Elem *Type
- Kind reflect.Kind
- Type reflect.Type
- Size int
- T byte // Our own type checking
-
- stringKind string // holds the unparsed string for deriving signatures
-
- // Tuple relative fields
- TupleElems []*Type // Type information of all tuple fields
- TupleRawNames []string // Raw field name of all tuple fields
-}
-
-var (
- // typeRegex parses the abi sub types
- typeRegex = regexp.MustCompile("([a-zA-Z]+)(([0-9]+)(x([0-9]+))?)?")
-)
-
-// NewType creates a new reflection type of abi type given in t.
-func NewType(t string, components []ArgumentMarshaling) (typ Type, err error) {
- // check that array brackets are equal if they exist
- if strings.Count(t, "[") != strings.Count(t, "]") {
- return Type{}, fmt.Errorf("invalid arg type in abi")
- }
- typ.stringKind = t
-
- // if there are brackets, get ready to go into slice/array mode and
- // recursively create the type
- if strings.Count(t, "[") != 0 {
- i := strings.LastIndex(t, "[")
- // recursively embed the type
- embeddedType, err := NewType(t[:i], components)
- if err != nil {
- return Type{}, err
- }
- // grab the last cell and create a type from there
- sliced := t[i:]
- // grab the slice size with regexp
- re := regexp.MustCompile("[0-9]+")
- intz := re.FindAllString(sliced, -1)
-
- if len(intz) == 0 {
- // is a slice
- typ.T = SliceTy
- typ.Kind = reflect.Slice
- typ.Elem = &embeddedType
- typ.Type = reflect.SliceOf(embeddedType.Type)
- typ.stringKind = embeddedType.stringKind + sliced
- } else if len(intz) == 1 {
- // is a array
- typ.T = ArrayTy
- typ.Kind = reflect.Array
- typ.Elem = &embeddedType
- typ.Size, err = strconv.Atoi(intz[0])
- if err != nil {
- return Type{}, fmt.Errorf("abi: error parsing variable size: %v", err)
- }
- typ.Type = reflect.ArrayOf(typ.Size, embeddedType.Type)
- typ.stringKind = embeddedType.stringKind + sliced
- } else {
- return Type{}, fmt.Errorf("invalid formatting of array type")
- }
- return typ, err
- }
- // parse the type and size of the abi-type.
- matches := typeRegex.FindAllStringSubmatch(t, -1)
- if len(matches) == 0 {
- return Type{}, fmt.Errorf("invalid type '%v'", t)
- }
- parsedType := matches[0]
-
- // varSize is the size of the variable
- var varSize int
- if len(parsedType[3]) > 0 {
- var err error
- varSize, err = strconv.Atoi(parsedType[2])
- if err != nil {
- return Type{}, fmt.Errorf("abi: error parsing variable size: %v", err)
- }
- } else {
- if parsedType[0] == "uint" || parsedType[0] == "int" {
- // this should fail because it means that there's something wrong with
- // the abi type (the compiler should always format it to the size...always)
- return Type{}, fmt.Errorf("unsupported arg type: %s", t)
- }
- }
- // varType is the parsed abi type
- switch varType := parsedType[1]; varType {
- case "int":
- typ.Kind, typ.Type = reflectIntKindAndType(false, varSize)
- typ.Size = varSize
- typ.T = IntTy
- case "uint":
- typ.Kind, typ.Type = reflectIntKindAndType(true, varSize)
- typ.Size = varSize
- typ.T = UintTy
- case "bool":
- typ.Kind = reflect.Bool
- typ.T = BoolTy
- typ.Type = reflect.TypeOf(bool(false))
- case "address":
- typ.Kind = reflect.Array
- typ.Type = addressT
- typ.Size = 20
- typ.T = AddressTy
- case "string":
- typ.Kind = reflect.String
- typ.Type = reflect.TypeOf("")
- typ.T = StringTy
- case "bytes":
- if varSize == 0 {
- typ.T = BytesTy
- typ.Kind = reflect.Slice
- typ.Type = reflect.SliceOf(reflect.TypeOf(byte(0)))
- } else {
- typ.T = FixedBytesTy
- typ.Kind = reflect.Array
- typ.Size = varSize
- typ.Type = reflect.ArrayOf(varSize, reflect.TypeOf(byte(0)))
- }
- case "tuple":
- var (
- fields []reflect.StructField
- elems []*Type
- names []string
- expression string // canonical parameter expression
- )
- expression += "("
- for idx, c := range components {
- cType, err := NewType(c.Type, c.Components)
- if err != nil {
- return Type{}, err
- }
- if ToCamelCase(c.Name) == "" {
- return Type{}, errors.New("abi: purely anonymous or underscored field is not supported")
- }
- fields = append(fields, reflect.StructField{
- Name: ToCamelCase(c.Name), // reflect.StructOf will panic for any exported field.
- Type: cType.Type,
- Tag: reflect.StructTag("json:\"" + c.Name + "\""),
- })
- elems = append(elems, &cType)
- names = append(names, c.Name)
- expression += cType.stringKind
- if idx != len(components)-1 {
- expression += ","
- }
- }
- expression += ")"
- typ.Kind = reflect.Struct
- typ.Type = reflect.StructOf(fields)
- typ.TupleElems = elems
- typ.TupleRawNames = names
- typ.T = TupleTy
- typ.stringKind = expression
- case "function":
- typ.Kind = reflect.Array
- typ.T = FunctionTy
- typ.Size = 24
- typ.Type = reflect.ArrayOf(24, reflect.TypeOf(byte(0)))
- default:
- return Type{}, fmt.Errorf("unsupported arg type: %s", t)
- }
-
- return
-}
-
-// String implements Stringer
-func (t Type) String() (out string) {
- return t.stringKind
-}
-
-func (t Type) pack(v reflect.Value) ([]byte, error) {
- // dereference pointer first if it's a pointer
- v = indirect(v)
- if err := typeCheck(t, v); err != nil {
- return nil, err
- }
-
- switch t.T {
- case SliceTy, ArrayTy:
- var ret []byte
-
- if t.requiresLengthPrefix() {
- // append length
- ret = append(ret, packNum(reflect.ValueOf(v.Len()))...)
- }
-
- // calculate offset if any
- offset := 0
- offsetReq := isDynamicType(*t.Elem)
- if offsetReq {
- offset = getTypeSize(*t.Elem) * v.Len()
- }
- var tail []byte
- for i := 0; i < v.Len(); i++ {
- val, err := t.Elem.pack(v.Index(i))
- if err != nil {
- return nil, err
- }
- if !offsetReq {
- ret = append(ret, val...)
- continue
- }
- ret = append(ret, packNum(reflect.ValueOf(offset))...)
- offset += len(val)
- tail = append(tail, val...)
- }
- return append(ret, tail...), nil
- case TupleTy:
- // (T1,...,Tk) for k >= 0 and any types T1, …, Tk
- // enc(X) = head(X(1)) ... head(X(k)) tail(X(1)) ... tail(X(k))
- // where X = (X(1), ..., X(k)) and head and tail are defined for Ti being a static
- // type as
- // head(X(i)) = enc(X(i)) and tail(X(i)) = "" (the empty string)
- // and as
- // head(X(i)) = enc(len(head(X(1)) ... head(X(k)) tail(X(1)) ... tail(X(i-1))))
- // tail(X(i)) = enc(X(i))
- // otherwise, i.e. if Ti is a dynamic type.
- fieldmap, err := mapArgNamesToStructFields(t.TupleRawNames, v)
- if err != nil {
- return nil, err
- }
- // Calculate prefix occupied size.
- offset := 0
- for _, elem := range t.TupleElems {
- offset += getTypeSize(*elem)
- }
- var ret, tail []byte
- for i, elem := range t.TupleElems {
- field := v.FieldByName(fieldmap[t.TupleRawNames[i]])
- if !field.IsValid() {
- return nil, fmt.Errorf("field %s for tuple not found in the given struct", t.TupleRawNames[i])
- }
- val, err := elem.pack(field)
- if err != nil {
- return nil, err
- }
- if isDynamicType(*elem) {
- ret = append(ret, packNum(reflect.ValueOf(offset))...)
- tail = append(tail, val...)
- offset += len(val)
- } else {
- ret = append(ret, val...)
- }
- }
- return append(ret, tail...), nil
-
- default:
- return packElement(t, v), nil
- }
-}
-
-// requireLengthPrefix returns whether the type requires any sort of length
-// prefixing.
-func (t Type) requiresLengthPrefix() bool {
- return t.T == StringTy || t.T == BytesTy || t.T == SliceTy
-}
-
-// isDynamicType returns true if the type is dynamic.
-// The following types are called “dynamic”:
-// * bytes
-// * string
-// * T[] for any T
-// * T[k] for any dynamic T and any k >= 0
-// * (T1,...,Tk) if Ti is dynamic for some 1 <= i <= k
-func isDynamicType(t Type) bool {
- if t.T == TupleTy {
- for _, elem := range t.TupleElems {
- if isDynamicType(*elem) {
- return true
- }
- }
- return false
- }
- return t.T == StringTy || t.T == BytesTy || t.T == SliceTy || (t.T == ArrayTy && isDynamicType(*t.Elem))
-}
-
-// getTypeSize returns the size that this type needs to occupy.
-// We distinguish static and dynamic types. Static types are encoded in-place
-// and dynamic types are encoded at a separately allocated location after the
-// current block.
-// So for a static variable, the size returned represents the size that the
-// variable actually occupies.
-// For a dynamic variable, the returned size is fixed 32 bytes, which is used
-// to store the location reference for actual value storage.
-func getTypeSize(t Type) int {
- if t.T == ArrayTy && !isDynamicType(*t.Elem) {
- // Recursively calculate type size if it is a nested array
- if t.Elem.T == ArrayTy {
- return t.Size * getTypeSize(*t.Elem)
- }
- return t.Size * 32
- } else if t.T == TupleTy && !isDynamicType(t) {
- total := 0
- for _, elem := range t.TupleElems {
- total += getTypeSize(*elem)
- }
- return total
- }
- return 32
-}
diff --git a/accounts/abi/unpack.go b/accounts/abi/unpack.go
deleted file mode 100644
index d3cd310..0000000
--- a/accounts/abi/unpack.go
+++ /dev/null
@@ -1,295 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package abi
-
-import (
- "encoding/binary"
- "fmt"
- "math/big"
- "reflect"
-
- "github.com/ava-labs/go-ethereum/common"
-)
-
-var (
- maxUint256 = big.NewInt(0).Add(
- big.NewInt(0).Exp(big.NewInt(2), big.NewInt(256), nil),
- big.NewInt(-1))
- maxInt256 = big.NewInt(0).Add(
- big.NewInt(0).Exp(big.NewInt(2), big.NewInt(255), nil),
- big.NewInt(-1))
-)
-
-// reads the integer based on its kind
-func readInteger(typ byte, kind reflect.Kind, b []byte) interface{} {
- switch kind {
- case reflect.Uint8:
- return b[len(b)-1]
- case reflect.Uint16:
- return binary.BigEndian.Uint16(b[len(b)-2:])
- case reflect.Uint32:
- return binary.BigEndian.Uint32(b[len(b)-4:])
- case reflect.Uint64:
- return binary.BigEndian.Uint64(b[len(b)-8:])
- case reflect.Int8:
- return int8(b[len(b)-1])
- case reflect.Int16:
- return int16(binary.BigEndian.Uint16(b[len(b)-2:]))
- case reflect.Int32:
- return int32(binary.BigEndian.Uint32(b[len(b)-4:]))
- case reflect.Int64:
- return int64(binary.BigEndian.Uint64(b[len(b)-8:]))
- default:
- // the only case lefts for integer is int256/uint256.
- // big.SetBytes can't tell if a number is negative, positive on itself.
- // On EVM, if the returned number > max int256, it is negative.
- ret := new(big.Int).SetBytes(b)
- if typ == UintTy {
- return ret
- }
-
- if ret.Cmp(maxInt256) > 0 {
- ret.Add(maxUint256, big.NewInt(0).Neg(ret))
- ret.Add(ret, big.NewInt(1))
- ret.Neg(ret)
- }
- return ret
- }
-}
-
-// reads a bool
-func readBool(word []byte) (bool, error) {
- for _, b := range word[:31] {
- if b != 0 {
- return false, errBadBool
- }
- }
- switch word[31] {
- case 0:
- return false, nil
- case 1:
- return true, nil
- default:
- return false, errBadBool
- }
-}
-
-// A function type is simply the address with the function selection signature at the end.
-// This enforces that standard by always presenting it as a 24-array (address + sig = 24 bytes)
-func readFunctionType(t Type, word []byte) (funcTy [24]byte, err error) {
- if t.T != FunctionTy {
- return [24]byte{}, fmt.Errorf("abi: invalid type in call to make function type byte array")
- }
- if garbage := binary.BigEndian.Uint64(word[24:32]); garbage != 0 {
- err = fmt.Errorf("abi: got improperly encoded function type, got %v", word)
- } else {
- copy(funcTy[:], word[0:24])
- }
- return
-}
-
-// through reflection, creates a fixed array to be read from
-func readFixedBytes(t Type, word []byte) (interface{}, error) {
- if t.T != FixedBytesTy {
- return nil, fmt.Errorf("abi: invalid type in call to make fixed byte array")
- }
- // convert
- array := reflect.New(t.Type).Elem()
-
- reflect.Copy(array, reflect.ValueOf(word[0:t.Size]))
- return array.Interface(), nil
-
-}
-
-// iteratively unpack elements
-func forEachUnpack(t Type, output []byte, start, size int) (interface{}, error) {
- if size < 0 {
- return nil, fmt.Errorf("cannot marshal input to array, size is negative (%d)", size)
- }
- if start+32*size > len(output) {
- return nil, fmt.Errorf("abi: cannot marshal in to go array: offset %d would go over slice boundary (len=%d)", len(output), start+32*size)
- }
-
- // this value will become our slice or our array, depending on the type
- var refSlice reflect.Value
-
- if t.T == SliceTy {
- // declare our slice
- refSlice = reflect.MakeSlice(t.Type, size, size)
- } else if t.T == ArrayTy {
- // declare our array
- refSlice = reflect.New(t.Type).Elem()
- } else {
- return nil, fmt.Errorf("abi: invalid type in array/slice unpacking stage")
- }
-
- // Arrays have packed elements, resulting in longer unpack steps.
- // Slices have just 32 bytes per element (pointing to the contents).
- elemSize := getTypeSize(*t.Elem)
-
- for i, j := start, 0; j < size; i, j = i+elemSize, j+1 {
- inter, err := toGoType(i, *t.Elem, output)
- if err != nil {
- return nil, err
- }
-
- // append the item to our reflect slice
- refSlice.Index(j).Set(reflect.ValueOf(inter))
- }
-
- // return the interface
- return refSlice.Interface(), nil
-}
-
-func forTupleUnpack(t Type, output []byte) (interface{}, error) {
- retval := reflect.New(t.Type).Elem()
- virtualArgs := 0
- for index, elem := range t.TupleElems {
- marshalledValue, err := toGoType((index+virtualArgs)*32, *elem, output)
- if elem.T == ArrayTy && !isDynamicType(*elem) {
- // If we have a static array, like [3]uint256, these are coded as
- // just like uint256,uint256,uint256.
- // This means that we need to add two 'virtual' arguments when
- // we count the index from now on.
- //
- // Array values nested multiple levels deep are also encoded inline:
- // [2][3]uint256: uint256,uint256,uint256,uint256,uint256,uint256
- //
- // Calculate the full array size to get the correct offset for the next argument.
- // Decrement it by 1, as the normal index increment is still applied.
- virtualArgs += getTypeSize(*elem)/32 - 1
- } else if elem.T == TupleTy && !isDynamicType(*elem) {
- // If we have a static tuple, like (uint256, bool, uint256), these are
- // coded as just like uint256,bool,uint256
- virtualArgs += getTypeSize(*elem)/32 - 1
- }
- if err != nil {
- return nil, err
- }
- retval.Field(index).Set(reflect.ValueOf(marshalledValue))
- }
- return retval.Interface(), nil
-}
-
-// toGoType parses the output bytes and recursively assigns the value of these bytes
-// into a go type with accordance with the ABI spec.
-func toGoType(index int, t Type, output []byte) (interface{}, error) {
- if index+32 > len(output) {
- return nil, fmt.Errorf("abi: cannot marshal in to go type: length insufficient %d require %d", len(output), index+32)
- }
-
- var (
- returnOutput []byte
- begin, length int
- err error
- )
-
- // if we require a length prefix, find the beginning word and size returned.
- if t.requiresLengthPrefix() {
- begin, length, err = lengthPrefixPointsTo(index, output)
- if err != nil {
- return nil, err
- }
- } else {
- returnOutput = output[index : index+32]
- }
-
- switch t.T {
- case TupleTy:
- if isDynamicType(t) {
- begin, err := tuplePointsTo(index, output)
- if err != nil {
- return nil, err
- }
- return forTupleUnpack(t, output[begin:])
- } else {
- return forTupleUnpack(t, output[index:])
- }
- case SliceTy:
- return forEachUnpack(t, output[begin:], 0, length)
- case ArrayTy:
- if isDynamicType(*t.Elem) {
- offset := int64(binary.BigEndian.Uint64(returnOutput[len(returnOutput)-8:]))
- return forEachUnpack(t, output[offset:], 0, t.Size)
- }
- return forEachUnpack(t, output[index:], 0, t.Size)
- case StringTy: // variable arrays are written at the end of the return bytes
- return string(output[begin : begin+length]), nil
- case IntTy, UintTy:
- return readInteger(t.T, t.Kind, returnOutput), nil
- case BoolTy:
- return readBool(returnOutput)
- case AddressTy:
- return common.BytesToAddress(returnOutput), nil
- case HashTy:
- return common.BytesToHash(returnOutput), nil
- case BytesTy:
- return output[begin : begin+length], nil
- case FixedBytesTy:
- return readFixedBytes(t, returnOutput)
- case FunctionTy:
- return readFunctionType(t, returnOutput)
- default:
- return nil, fmt.Errorf("abi: unknown type %v", t.T)
- }
-}
-
-// interprets a 32 byte slice as an offset and then determines which indice to look to decode the type.
-func lengthPrefixPointsTo(index int, output []byte) (start int, length int, err error) {
- bigOffsetEnd := big.NewInt(0).SetBytes(output[index : index+32])
- bigOffsetEnd.Add(bigOffsetEnd, common.Big32)
- outputLength := big.NewInt(int64(len(output)))
-
- if bigOffsetEnd.Cmp(outputLength) > 0 {
- return 0, 0, fmt.Errorf("abi: cannot marshal in to go slice: offset %v would go over slice boundary (len=%v)", bigOffsetEnd, outputLength)
- }
-
- if bigOffsetEnd.BitLen() > 63 {
- return 0, 0, fmt.Errorf("abi offset larger than int64: %v", bigOffsetEnd)
- }
-
- offsetEnd := int(bigOffsetEnd.Uint64())
- lengthBig := big.NewInt(0).SetBytes(output[offsetEnd-32 : offsetEnd])
-
- totalSize := big.NewInt(0)
- totalSize.Add(totalSize, bigOffsetEnd)
- totalSize.Add(totalSize, lengthBig)
- if totalSize.BitLen() > 63 {
- return 0, 0, fmt.Errorf("abi: length larger than int64: %v", totalSize)
- }
-
- if totalSize.Cmp(outputLength) > 0 {
- return 0, 0, fmt.Errorf("abi: cannot marshal in to go type: length insufficient %v require %v", outputLength, totalSize)
- }
- start = int(bigOffsetEnd.Uint64())
- length = int(lengthBig.Uint64())
- return
-}
-
-// tuplePointsTo resolves the location reference for dynamic tuple.
-func tuplePointsTo(index int, output []byte) (start int, err error) {
- offset := big.NewInt(0).SetBytes(output[index : index+32])
- outputLen := big.NewInt(int64(len(output)))
-
- if offset.Cmp(big.NewInt(int64(len(output)))) > 0 {
- return 0, fmt.Errorf("abi: cannot marshal in to go slice: offset %v would go over slice boundary (len=%v)", offset, outputLen)
- }
- if offset.BitLen() > 63 {
- return 0, fmt.Errorf("abi offset larger than int64: %v", offset)
- }
- return int(offset.Uint64()), nil
-}
diff --git a/accounts/accounts.go b/accounts/accounts.go
index bca3223..17978d3 100644
--- a/accounts/accounts.go
+++ b/accounts/accounts.go
@@ -22,9 +22,10 @@ import (
"math/big"
"github.com/ava-labs/coreth/core/types"
- ethereum "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/event"
+ ethereum "github.com/ethereum/go-ethereum"
+ gethaccounts "github.com/ethereum/go-ethereum/accounts"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/event"
"golang.org/x/crypto/sha3"
)
@@ -129,6 +130,8 @@ type Wallet interface {
// about which fields or actions are needed. The user may retry by providing
// the needed details via SignHashWithPassphrase, or by other means (e.g. unlock
// the account in a keystore).
+ //
+ // This method should return the signature in 'canonical' format, with v 0 or 1
SignText(account Account, text []byte) ([]byte, error)
// SignTextWithPassphrase is identical to Signtext, but also takes a password
@@ -199,7 +202,7 @@ func TextAndHash(data []byte) ([]byte, string) {
// WalletEventType represents the different event types that can be fired by
// the wallet subscription subsystem.
-type WalletEventType int
+type WalletEventType = gethaccounts.WalletEventType
const (
// WalletArrived is fired when a new wallet is detected either via USB or via
diff --git a/accounts/external/backend.go b/accounts/external/backend.go
index 16e201d..e0fc91d 100644
--- a/accounts/external/backend.go
+++ b/accounts/external/backend.go
@@ -23,14 +23,13 @@ import (
"github.com/ava-labs/coreth/accounts"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/coreth/internal/ethapi"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/signer/core"
+ "github.com/ethereum/go-ethereum"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/signer/core"
)
type ExternalBackend struct {
@@ -131,6 +130,12 @@ func (api *ExternalSigner) Accounts() []accounts.Account {
func (api *ExternalSigner) Contains(account accounts.Account) bool {
api.cacheMu.RLock()
defer api.cacheMu.RUnlock()
+ if api.cache == nil {
+ // If we haven't already fetched the accounts, it's time to do so now
+ api.cacheMu.RUnlock()
+ api.Accounts()
+ api.cacheMu.RLock()
+ }
for _, a := range api.cache {
if a.Address == account.Address && (account.URL == (accounts.URL{}) || account.URL == api.URL()) {
return true
@@ -161,7 +166,7 @@ func (api *ExternalSigner) SignData(account accounts.Account, mimeType string, d
hexutil.Encode(data)); err != nil {
return nil, err
}
- // If V is on 27/28-form, convert to to 0/1 for Clique
+ // If V is on 27/28-form, convert to 0/1 for Clique
if mimeType == accounts.MimetypeClique && (res[64] == 27 || res[64] == 28) {
res[64] -= 27 // Transform V from 27/28 to 0/1 for Clique use
}
@@ -169,19 +174,29 @@ func (api *ExternalSigner) SignData(account accounts.Account, mimeType string, d
}
func (api *ExternalSigner) SignText(account accounts.Account, text []byte) ([]byte, error) {
- var res hexutil.Bytes
+ var signature hexutil.Bytes
var signAddress = common.NewMixedcaseAddress(account.Address)
- if err := api.client.Call(&res, "account_signData",
+ if err := api.client.Call(&signature, "account_signData",
accounts.MimetypeTextPlain,
&signAddress, // Need to use the pointer here, because of how MarshalJSON is defined
hexutil.Encode(text)); err != nil {
return nil, err
}
- return res, nil
+ if signature[64] == 27 || signature[64] == 28 {
+ // If clef is used as a backend, it may already have transformed
+ // the signature to ethereum-type signature.
+ signature[64] -= 27 // Transform V from Ethereum-legacy to 0/1
+ }
+ return signature, nil
+}
+
+// signTransactionResult represents the signinig result returned by clef.
+type signTransactionResult struct {
+ Raw hexutil.Bytes `json:"raw"`
+ Tx *types.Transaction `json:"tx"`
}
func (api *ExternalSigner) SignTx(account accounts.Account, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
- res := ethapi.SignTransactionResult{}
data := hexutil.Bytes(tx.Data())
var to *common.MixedcaseAddress
if tx.To() != nil {
@@ -197,6 +212,7 @@ func (api *ExternalSigner) SignTx(account accounts.Account, tx *types.Transactio
To: to,
From: common.NewMixedcaseAddress(account.Address),
}
+ var res signTransactionResult
if err := api.client.Call(&res, "account_signTransaction", args); err != nil {
return nil, err
}
diff --git a/accounts/keystore/account_cache.go b/accounts/keystore/account_cache.go
index 2067ccb..76bd552 100644
--- a/accounts/keystore/account_cache.go
+++ b/accounts/keystore/account_cache.go
@@ -28,8 +28,8 @@ import (
"time"
"github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
mapset "github.com/deckarep/golang-set"
)
diff --git a/accounts/keystore/file_cache.go b/accounts/keystore/file_cache.go
index ac87f0c..73ff6ae 100644
--- a/accounts/keystore/file_cache.go
+++ b/accounts/keystore/file_cache.go
@@ -25,7 +25,7 @@ import (
"time"
mapset "github.com/deckarep/golang-set"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
// fileCache is a cache of files seen during scan of keystore.
diff --git a/accounts/keystore/key.go b/accounts/keystore/key.go
index 3654daa..dc54adb 100644
--- a/accounts/keystore/key.go
+++ b/accounts/keystore/key.go
@@ -30,8 +30,8 @@ import (
"time"
"github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
"github.com/pborman/uuid"
)
diff --git a/accounts/keystore/keystore.go b/accounts/keystore/keystore.go
index a3ce33f..cb4df04 100644
--- a/accounts/keystore/keystore.go
+++ b/accounts/keystore/keystore.go
@@ -24,7 +24,6 @@ import (
"crypto/ecdsa"
crand "crypto/rand"
"errors"
- "fmt"
"math/big"
"os"
"path/filepath"
@@ -35,15 +34,19 @@ import (
"github.com/ava-labs/coreth/accounts"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/event"
)
var (
ErrLocked = accounts.NewAuthNeededError("password or unlock")
ErrNoMatch = errors.New("no key for given address or file")
ErrDecrypt = errors.New("could not decrypt key with given password")
+
+ // ErrAccountAlreadyExists is returned if an account attempted to import is
+ // already present in the keystore.
+ ErrAccountAlreadyExists = errors.New("account already exists")
)
// KeyStoreType is the reflect type of a keystore backend.
@@ -67,7 +70,8 @@ type KeyStore struct {
updateScope event.SubscriptionScope // Subscription scope tracking current live listeners
updating bool // Whether the event notification loop is running
- mu sync.RWMutex
+ mu sync.RWMutex
+ importMu sync.Mutex // Import Mutex locks the import to prevent two insertions from racing
}
type unlocked struct {
@@ -443,14 +447,27 @@ func (ks *KeyStore) Import(keyJSON []byte, passphrase, newPassphrase string) (ac
if err != nil {
return accounts.Account{}, err
}
+ ks.importMu.Lock()
+ defer ks.importMu.Unlock()
+
+ if ks.cache.hasAddress(key.Address) {
+ return accounts.Account{
+ Address: key.Address,
+ }, ErrAccountAlreadyExists
+ }
return ks.importKey(key, newPassphrase)
}
// ImportECDSA stores the given key into the key directory, encrypting it with the passphrase.
func (ks *KeyStore) ImportECDSA(priv *ecdsa.PrivateKey, passphrase string) (accounts.Account, error) {
+ ks.importMu.Lock()
+ defer ks.importMu.Unlock()
+
key := newKeyFromECDSA(priv)
if ks.cache.hasAddress(key.Address) {
- return accounts.Account{}, fmt.Errorf("account already exists")
+ return accounts.Account{
+ Address: key.Address,
+ }, ErrAccountAlreadyExists
}
return ks.importKey(key, passphrase)
}
diff --git a/accounts/keystore/passphrase.go b/accounts/keystore/passphrase.go
index fa5a09d..f8a62c6 100644
--- a/accounts/keystore/passphrase.go
+++ b/accounts/keystore/passphrase.go
@@ -39,9 +39,9 @@ import (
"path/filepath"
"github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/crypto"
"github.com/pborman/uuid"
"golang.org/x/crypto/pbkdf2"
"golang.org/x/crypto/scrypt"
@@ -123,6 +123,7 @@ func (ks keyStorePassphrase) StoreKey(filename string, key *Key, auth string) er
"Please file a ticket at:\n\n" +
"https://github.com/ethereum/go-ethereum/issues." +
"The error was : %s"
+ //lint:ignore ST1005 This is a message for the user
return fmt.Errorf(msg, tmpName, err)
}
}
@@ -237,7 +238,7 @@ func DecryptKey(keyjson []byte, auth string) (*Key, error) {
func DecryptDataV3(cryptoJson CryptoJSON, auth string) ([]byte, error) {
if cryptoJson.Cipher != "aes-128-ctr" {
- return nil, fmt.Errorf("Cipher not supported: %v", cryptoJson.Cipher)
+ return nil, fmt.Errorf("cipher not supported: %v", cryptoJson.Cipher)
}
mac, err := hex.DecodeString(cryptoJson.MAC)
if err != nil {
@@ -273,7 +274,7 @@ func DecryptDataV3(cryptoJson CryptoJSON, auth string) ([]byte, error) {
func decryptKeyV3(keyProtected *encryptedKeyJSONV3, auth string) (keyBytes []byte, keyId []byte, err error) {
if keyProtected.Version != version {
- return nil, nil, fmt.Errorf("Version not supported: %v", keyProtected.Version)
+ return nil, nil, fmt.Errorf("version not supported: %v", keyProtected.Version)
}
keyId = uuid.Parse(keyProtected.Id)
plainText, err := DecryptDataV3(keyProtected.Crypto, auth)
@@ -335,13 +336,13 @@ func getKDFKey(cryptoJSON CryptoJSON, auth string) ([]byte, error) {
c := ensureInt(cryptoJSON.KDFParams["c"])
prf := cryptoJSON.KDFParams["prf"].(string)
if prf != "hmac-sha256" {
- return nil, fmt.Errorf("Unsupported PBKDF2 PRF: %s", prf)
+ return nil, fmt.Errorf("unsupported PBKDF2 PRF: %s", prf)
}
key := pbkdf2.Key(authArray, salt, c, dkLen, sha256.New)
return key, nil
}
- return nil, fmt.Errorf("Unsupported KDF: %s", cryptoJSON.KDF)
+ return nil, fmt.Errorf("unsupported KDF: %s", cryptoJSON.KDF)
}
// TODO: can we do without this when unmarshalling dynamic JSON?
diff --git a/accounts/keystore/plain.go b/accounts/keystore/plain.go
index bc5b377..f62a133 100644
--- a/accounts/keystore/plain.go
+++ b/accounts/keystore/plain.go
@@ -22,7 +22,7 @@ import (
"os"
"path/filepath"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
type keyStorePlain struct {
diff --git a/accounts/keystore/presale.go b/accounts/keystore/presale.go
index 5122b0d..4833c6c 100644
--- a/accounts/keystore/presale.go
+++ b/accounts/keystore/presale.go
@@ -26,7 +26,7 @@ import (
"fmt"
"github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/crypto"
"github.com/pborman/uuid"
"golang.org/x/crypto/pbkdf2"
)
diff --git a/accounts/keystore/wallet.go b/accounts/keystore/wallet.go
index 3be901b..7092385 100644
--- a/accounts/keystore/wallet.go
+++ b/accounts/keystore/wallet.go
@@ -21,8 +21,8 @@ import (
"github.com/ava-labs/coreth/accounts"
"github.com/ava-labs/coreth/core/types"
- ethereum "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/crypto"
+ ethereum "github.com/ethereum/go-ethereum"
+ "github.com/ethereum/go-ethereum/crypto"
)
// keystoreWallet implements the accounts.Wallet interface for the original
diff --git a/accounts/keystore/watch.go b/accounts/keystore/watch.go
index 7fa5b3c..d6ef533 100644
--- a/accounts/keystore/watch.go
+++ b/accounts/keystore/watch.go
@@ -21,7 +21,7 @@ package keystore
import (
"time"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
"github.com/rjeczalik/notify"
)
diff --git a/accounts/manager.go b/accounts/manager.go
index 39211da..acf41ed 100644
--- a/accounts/manager.go
+++ b/accounts/manager.go
@@ -21,8 +21,8 @@ import (
"sort"
"sync"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/event"
)
// Config contains the settings of the global account manager.
@@ -141,6 +141,11 @@ func (am *Manager) Wallets() []Wallet {
am.lock.RLock()
defer am.lock.RUnlock()
+ return am.walletsNoLock()
+}
+
+// walletsNoLock returns all registered wallets. Callers must hold am.lock.
+func (am *Manager) walletsNoLock() []Wallet {
cpy := make([]Wallet, len(am.wallets))
copy(cpy, am.wallets)
return cpy
@@ -155,7 +160,7 @@ func (am *Manager) Wallet(url string) (Wallet, error) {
if err != nil {
return nil, err
}
- for _, wallet := range am.Wallets() {
+ for _, wallet := range am.walletsNoLock() {
if wallet.URL() == parsed {
return wallet, nil
}
diff --git a/accounts/scwallet/hub.go b/accounts/scwallet/hub.go
index ceb422c..1d0c124 100644
--- a/accounts/scwallet/hub.go
+++ b/accounts/scwallet/hub.go
@@ -42,9 +42,9 @@ import (
"time"
"github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
pcsc "github.com/gballet/go-libpcsclite"
)
@@ -220,7 +220,7 @@ func (hub *Hub) refreshWallets() {
// Mark the reader as present
seen[reader] = struct{}{}
- // If we alreay know about this card, skip to the next reader, otherwise clean up
+ // If we already know about this card, skip to the next reader, otherwise clean up
if wallet, ok := hub.wallets[reader]; ok {
if err := wallet.ping(); err == nil {
continue
diff --git a/accounts/scwallet/securechannel.go b/accounts/scwallet/securechannel.go
index c1b7cff..9b70c69 100644
--- a/accounts/scwallet/securechannel.go
+++ b/accounts/scwallet/securechannel.go
@@ -25,7 +25,7 @@ import (
"crypto/sha512"
"fmt"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/crypto"
pcsc "github.com/gballet/go-libpcsclite"
"github.com/wsddn/go-ecdh"
"golang.org/x/crypto/pbkdf2"
@@ -71,7 +71,7 @@ func NewSecureChannelSession(card *pcsc.Card, keyData []byte) (*SecureChannelSes
cardPublic, ok := gen.Unmarshal(keyData)
if !ok {
- return nil, fmt.Errorf("Could not unmarshal public key from card")
+ return nil, fmt.Errorf("could not unmarshal public key from card")
}
secret, err := gen.GenerateSharedSecret(private, cardPublic)
@@ -109,7 +109,7 @@ func (s *SecureChannelSession) Pair(pairingPassword []byte) error {
cardChallenge := response.Data[32:64]
if !bytes.Equal(expectedCryptogram, cardCryptogram) {
- return fmt.Errorf("Invalid card cryptogram %v != %v", expectedCryptogram, cardCryptogram)
+ return fmt.Errorf("invalid card cryptogram %v != %v", expectedCryptogram, cardCryptogram)
}
md.Reset()
@@ -132,7 +132,7 @@ func (s *SecureChannelSession) Pair(pairingPassword []byte) error {
// Unpair disestablishes an existing pairing.
func (s *SecureChannelSession) Unpair() error {
if s.PairingKey == nil {
- return fmt.Errorf("Cannot unpair: not paired")
+ return fmt.Errorf("cannot unpair: not paired")
}
_, err := s.transmitEncrypted(claSCWallet, insUnpair, s.PairingIndex, 0, []byte{})
@@ -148,7 +148,7 @@ func (s *SecureChannelSession) Unpair() error {
// Open initializes the secure channel.
func (s *SecureChannelSession) Open() error {
if s.iv != nil {
- return fmt.Errorf("Session already opened")
+ return fmt.Errorf("session already opened")
}
response, err := s.open()
@@ -185,11 +185,11 @@ func (s *SecureChannelSession) mutuallyAuthenticate() error {
return err
}
if response.Sw1 != 0x90 || response.Sw2 != 0x00 {
- return fmt.Errorf("Got unexpected response from MUTUALLY_AUTHENTICATE: 0x%x%x", response.Sw1, response.Sw2)
+ return fmt.Errorf("got unexpected response from MUTUALLY_AUTHENTICATE: 0x%x%x", response.Sw1, response.Sw2)
}
if len(response.Data) != scSecretLength {
- return fmt.Errorf("Response from MUTUALLY_AUTHENTICATE was %d bytes, expected %d", len(response.Data), scSecretLength)
+ return fmt.Errorf("response from MUTUALLY_AUTHENTICATE was %d bytes, expected %d", len(response.Data), scSecretLength)
}
return nil
@@ -222,7 +222,7 @@ func (s *SecureChannelSession) pair(p1 uint8, data []byte) (*responseAPDU, error
// transmitEncrypted sends an encrypted message, and decrypts and returns the response.
func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []byte) (*responseAPDU, error) {
if s.iv == nil {
- return nil, fmt.Errorf("Channel not open")
+ return nil, fmt.Errorf("channel not open")
}
data, err := s.encryptAPDU(data)
@@ -261,14 +261,14 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
return nil, err
}
if !bytes.Equal(s.iv, rmac) {
- return nil, fmt.Errorf("Invalid MAC in response")
+ return nil, fmt.Errorf("invalid MAC in response")
}
rapdu := &responseAPDU{}
rapdu.deserialize(plainData)
if rapdu.Sw1 != sw1Ok {
- return nil, fmt.Errorf("Unexpected response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", cla, ins, rapdu.Sw1, rapdu.Sw2)
+ return nil, fmt.Errorf("unexpected response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", cla, ins, rapdu.Sw1, rapdu.Sw2)
}
return rapdu, nil
@@ -277,7 +277,7 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
// encryptAPDU is an internal method that serializes and encrypts an APDU.
func (s *SecureChannelSession) encryptAPDU(data []byte) ([]byte, error) {
if len(data) > maxPayloadSize {
- return nil, fmt.Errorf("Payload of %d bytes exceeds maximum of %d", len(data), maxPayloadSize)
+ return nil, fmt.Errorf("payload of %d bytes exceeds maximum of %d", len(data), maxPayloadSize)
}
data = pad(data, 0x80)
@@ -323,10 +323,10 @@ func unpad(data []byte, terminator byte) ([]byte, error) {
case terminator:
return data[:len(data)-i], nil
default:
- return nil, fmt.Errorf("Expected end of padding, got %d", data[len(data)-i])
+ return nil, fmt.Errorf("expected end of padding, got %d", data[len(data)-i])
}
}
- return nil, fmt.Errorf("Expected end of padding, got 0")
+ return nil, fmt.Errorf("expected end of padding, got 0")
}
// updateIV is an internal method that updates the initialization vector after
diff --git a/accounts/scwallet/wallet.go b/accounts/scwallet/wallet.go
index f72e685..2f08c17 100644
--- a/accounts/scwallet/wallet.go
+++ b/accounts/scwallet/wallet.go
@@ -35,10 +35,10 @@ import (
"github.com/ava-labs/coreth/accounts"
"github.com/ava-labs/coreth/core/types"
- ethereum "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
+ ethereum "github.com/ethereum/go-ethereum"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
pcsc "github.com/gballet/go-libpcsclite"
"github.com/status-im/keycard-go/derivationpath"
)
@@ -167,7 +167,7 @@ func transmit(card *pcsc.Card, command *commandAPDU) (*responseAPDU, error) {
}
if response.Sw1 != sw1Ok {
- return nil, fmt.Errorf("Unexpected insecure response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", command.Cla, command.Ins, response.Sw1, response.Sw2)
+ return nil, fmt.Errorf("unexpected insecure response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", command.Cla, command.Ins, response.Sw1, response.Sw2)
}
return response, nil
@@ -252,7 +252,7 @@ func (w *Wallet) release() error {
// with the wallet.
func (w *Wallet) pair(puk []byte) error {
if w.session.paired() {
- return fmt.Errorf("Wallet already paired")
+ return fmt.Errorf("wallet already paired")
}
pairing, err := w.session.pair(puk)
if err != nil {
@@ -312,15 +312,15 @@ func (w *Wallet) Status() (string, error) {
}
switch {
case !w.session.verified && status.PinRetryCount == 0 && status.PukRetryCount == 0:
- return fmt.Sprintf("Bricked, waiting for full wipe"), nil
+ return "Bricked, waiting for full wipe", nil
case !w.session.verified && status.PinRetryCount == 0:
return fmt.Sprintf("Blocked, waiting for PUK (%d attempts left) and new PIN", status.PukRetryCount), nil
case !w.session.verified:
return fmt.Sprintf("Locked, waiting for PIN (%d attempts left)", status.PinRetryCount), nil
case !status.Initialized:
- return fmt.Sprintf("Empty, waiting for initialization"), nil
+ return "Empty, waiting for initialization", nil
default:
- return fmt.Sprintf("Online"), nil
+ return "Online", nil
}
}
@@ -362,7 +362,7 @@ func (w *Wallet) Open(passphrase string) error {
return err
}
// Pairing succeeded, fall through to PIN checks. This will of course fail,
- // but we can't return ErrPINNeeded directly here becase we don't know whether
+ // but we can't return ErrPINNeeded directly here because we don't know whether
// a PIN check or a PIN reset is needed.
passphrase = ""
}
@@ -773,12 +773,12 @@ func (w *Wallet) findAccountPath(account accounts.Account) (accounts.DerivationP
// Look for the path in the URL
if account.URL.Scheme != w.Hub.scheme {
- return nil, fmt.Errorf("Scheme %s does not match wallet scheme %s", account.URL.Scheme, w.Hub.scheme)
+ return nil, fmt.Errorf("scheme %s does not match wallet scheme %s", account.URL.Scheme, w.Hub.scheme)
}
parts := strings.SplitN(account.URL.Path, "/", 2)
if len(parts) != 2 {
- return nil, fmt.Errorf("Invalid URL format: %s", account.URL)
+ return nil, fmt.Errorf("invalid URL format: %s", account.URL)
}
if parts[0] != fmt.Sprintf("%x", w.PublicKey[1:3]) {
@@ -813,7 +813,7 @@ func (s *Session) pair(secret []byte) (smartcardPairing, error) {
// unpair deletes an existing pairing.
func (s *Session) unpair() error {
if !s.verified {
- return fmt.Errorf("Unpair requires that the PIN be verified")
+ return fmt.Errorf("unpair requires that the PIN be verified")
}
return s.Channel.Unpair()
}
@@ -850,7 +850,7 @@ func (s *Session) paired() bool {
// authenticate uses an existing pairing to establish a secure channel.
func (s *Session) authenticate(pairing smartcardPairing) error {
if !bytes.Equal(s.Wallet.PublicKey, pairing.PublicKey) {
- return fmt.Errorf("Cannot pair using another wallet's pairing; %x != %x", s.Wallet.PublicKey, pairing.PublicKey)
+ return fmt.Errorf("cannot pair using another wallet's pairing; %x != %x", s.Wallet.PublicKey, pairing.PublicKey)
}
s.Channel.PairingKey = pairing.PairingKey
s.Channel.PairingIndex = pairing.PairingIndex
@@ -879,6 +879,7 @@ func (s *Session) walletStatus() (*walletStatus, error) {
}
// derivationPath fetches the wallet's current derivation path from the card.
+//lint:ignore U1000 needs to be added to the console interface
func (s *Session) derivationPath() (accounts.DerivationPath, error) {
response, err := s.Channel.transmitEncrypted(claSCWallet, insStatus, statusP1Path, 0, nil)
if err != nil {
@@ -993,12 +994,14 @@ func (s *Session) derive(path accounts.DerivationPath) (accounts.Account, error)
}
// keyExport contains information on an exported keypair.
+//lint:ignore U1000 needs to be added to the console interface
type keyExport struct {
PublicKey []byte `asn1:"tag:0"`
PrivateKey []byte `asn1:"tag:1,optional"`
}
// publicKey returns the public key for the current derivation path.
+//lint:ignore U1000 needs to be added to the console interface
func (s *Session) publicKey() ([]byte, error) {
response, err := s.Channel.transmitEncrypted(claSCWallet, insExportKey, exportP1Any, exportP2Pubkey, nil)
if err != nil {
diff --git a/consensus/clique/api.go b/consensus/clique/api.go
index 04e74eb..4776b97 100644
--- a/consensus/clique/api.go
+++ b/consensus/clique/api.go
@@ -17,16 +17,18 @@
package clique
import (
+ "fmt"
+
"github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// API is a user facing RPC API to allow controlling the signer and voting
// mechanisms of the proof-of-authority scheme.
type API struct {
- chain consensus.ChainReader
+ chain consensus.ChainHeaderReader
clique *Clique
}
@@ -117,3 +119,59 @@ func (api *API) Discard(address common.Address) {
delete(api.clique.proposals, address)
}
+
+type status struct {
+ InturnPercent float64 `json:"inturnPercent"`
+ SigningStatus map[common.Address]int `json:"sealerActivity"`
+ NumBlocks uint64 `json:"numBlocks"`
+}
+
+// Status returns the status of the last N blocks,
+// - the number of active signers,
+// - the number of signers,
+// - the percentage of in-turn blocks
+func (api *API) Status() (*status, error) {
+ var (
+ numBlocks = uint64(64)
+ header = api.chain.CurrentHeader()
+ diff = uint64(0)
+ optimals = 0
+ )
+ snap, err := api.clique.snapshot(api.chain, header.Number.Uint64(), header.Hash(), nil)
+ if err != nil {
+ return nil, err
+ }
+ var (
+ signers = snap.signers()
+ end = header.Number.Uint64()
+ start = end - numBlocks
+ )
+ if numBlocks > end {
+ start = 1
+ numBlocks = end - start
+ }
+ signStatus := make(map[common.Address]int)
+ for _, s := range signers {
+ signStatus[s] = 0
+ }
+ for n := start; n < end; n++ {
+ h := api.chain.GetHeaderByNumber(n)
+ if h == nil {
+ return nil, fmt.Errorf("missing block %d", n)
+ }
+ if h.Difficulty.Cmp(diffInTurn) == 0 {
+ optimals++
+ }
+ diff += h.Difficulty.Uint64()
+ sealer, err := api.clique.Author(h)
+ if err != nil {
+ return nil, err
+ }
+ signStatus[sealer]++
+ }
+ return &status{
+ InturnPercent: float64(100*optimals) / float64(numBlocks),
+ SigningStatus: signStatus,
+ NumBlocks: numBlocks,
+ }, nil
+}
diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go
index 3714733..b27525b 100644
--- a/consensus/clique/clique.go
+++ b/consensus/clique/clique.go
@@ -33,12 +33,13 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
lru "github.com/hashicorp/golang-lru"
"golang.org/x/crypto/sha3"
)
@@ -121,9 +122,9 @@ var (
// turn of the signer.
errWrongDifficulty = errors.New("wrong difficulty")
- // ErrInvalidTimestamp is returned if the timestamp of a block is lower than
+ // errInvalidTimestamp is returned if the timestamp of a block is lower than
// the previous block's timestamp + the minimum block period.
- ErrInvalidTimestamp = errors.New("invalid timestamp")
+ errInvalidTimestamp = errors.New("invalid timestamp")
// errInvalidVotingChain is returned if an authorization list is attempted to
// be modified via out-of-range or non-contiguous headers.
@@ -137,9 +138,8 @@ var (
errRecentlySigned = errors.New("recently signed")
)
-// SignerFn is a signer callback function to request a header to be signed by a
-// backing account.
-type SignerFn func(accounts.Account, string, []byte) ([]byte, error)
+// SignerFn hashes and signs the data to be signed by a backing account.
+type SignerFn func(signer accounts.Account, mimeType string, message []byte) ([]byte, error)
// ecrecover extracts the Ethereum account address from a signed header.
func ecrecover(header *types.Header, sigcache *lru.ARCCache) (common.Address, error) {
@@ -213,14 +213,14 @@ func (c *Clique) Author(header *types.Header) (common.Address, error) {
}
// VerifyHeader checks whether a header conforms to the consensus rules.
-func (c *Clique) VerifyHeader(chain consensus.ChainReader, header *types.Header, seal bool) error {
+func (c *Clique) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
return c.verifyHeader(chain, header, nil)
}
// VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers. The
// method returns a quit channel to abort the operations and a results channel to
// retrieve the async verifications (the order is that of the input slice).
-func (c *Clique) VerifyHeaders(chain consensus.ChainReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
+func (c *Clique) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
abort := make(chan struct{})
results := make(chan error, len(headers))
@@ -242,7 +242,7 @@ func (c *Clique) VerifyHeaders(chain consensus.ChainReader, headers []*types.Hea
// caller may optionally pass in a batch of parents (ascending order) to avoid
// looking those up from the database. This is useful for concurrently verifying
// a batch of new headers.
-func (c *Clique) verifyHeader(chain consensus.ChainReader, header *types.Header, parents []*types.Header) error {
+func (c *Clique) verifyHeader(chain consensus.ChainHeaderReader, header *types.Header, parents []*types.Header) error {
if header.Number == nil {
return errUnknownBlock
}
@@ -305,13 +305,13 @@ func (c *Clique) verifyHeader(chain consensus.ChainReader, header *types.Header,
// rather depend on a batch of previous headers. The caller may optionally pass
// in a batch of parents (ascending order) to avoid looking those up from the
// database. This is useful for concurrently verifying a batch of new headers.
-func (c *Clique) verifyCascadingFields(chain consensus.ChainReader, header *types.Header, parents []*types.Header) error {
+func (c *Clique) verifyCascadingFields(chain consensus.ChainHeaderReader, header *types.Header, parents []*types.Header) error {
// The genesis block is the always valid dead-end
number := header.Number.Uint64()
if number == 0 {
return nil
}
- // Ensure that the block's timestamp isn't too close to it's parent
+ // Ensure that the block's timestamp isn't too close to its parent
var parent *types.Header
if len(parents) > 0 {
parent = parents[len(parents)-1]
@@ -322,7 +322,7 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainReader, header *type
return consensus.ErrUnknownAncestor
}
if parent.Time+c.config.Period > header.Time {
- return ErrInvalidTimestamp
+ return errInvalidTimestamp
}
// Retrieve the snapshot needed to verify this header and cache it
snap, err := c.snapshot(chain, number-1, header.ParentHash, parents)
@@ -345,7 +345,7 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainReader, header *type
}
// snapshot retrieves the authorization snapshot at a given point in time.
-func (c *Clique) snapshot(chain consensus.ChainReader, number uint64, hash common.Hash, parents []*types.Header) (*Snapshot, error) {
+func (c *Clique) snapshot(chain consensus.ChainHeaderReader, number uint64, hash common.Hash, parents []*types.Header) (*Snapshot, error) {
// Search for a snapshot in memory or on disk for checkpoints
var (
headers []*types.Header
@@ -369,7 +369,7 @@ func (c *Clique) snapshot(chain consensus.ChainReader, number uint64, hash commo
// at a checkpoint block without a parent (light client CHT), or we have piled
// up more headers than allowed to be reorged (chain reinit from a freezer),
// consider the checkpoint trusted and snapshot it.
- if number == 0 || (number%c.config.Epoch == 0 && (len(headers) > params.ImmutabilityThreshold || chain.GetHeaderByNumber(number-1) == nil)) {
+ if number == 0 || (number%c.config.Epoch == 0 && (len(headers) > params.FullImmutabilityThreshold || chain.GetHeaderByNumber(number-1) == nil)) {
checkpoint := chain.GetHeaderByNumber(number)
if checkpoint != nil {
hash := checkpoint.Hash()
@@ -436,7 +436,7 @@ func (c *Clique) VerifyUncles(chain consensus.ChainReader, block *types.Block) e
// VerifySeal implements consensus.Engine, checking whether the signature contained
// in the header satisfies the consensus protocol requirements.
-func (c *Clique) VerifySeal(chain consensus.ChainReader, header *types.Header) error {
+func (c *Clique) VerifySeal(chain consensus.ChainHeaderReader, header *types.Header) error {
return c.verifySeal(chain, header, nil)
}
@@ -444,7 +444,7 @@ func (c *Clique) VerifySeal(chain consensus.ChainReader, header *types.Header) e
// consensus protocol requirements. The method accepts an optional list of parent
// headers that aren't yet part of the local blockchain to generate the snapshots
// from.
-func (c *Clique) verifySeal(chain consensus.ChainReader, header *types.Header, parents []*types.Header) error {
+func (c *Clique) verifySeal(chain consensus.ChainHeaderReader, header *types.Header, parents []*types.Header) error {
// Verifying the genesis block is not supported
number := header.Number.Uint64()
if number == 0 {
@@ -487,7 +487,7 @@ func (c *Clique) verifySeal(chain consensus.ChainReader, header *types.Header, p
// Prepare implements consensus.Engine, preparing all the consensus fields of the
// header for running the transactions on top.
-func (c *Clique) Prepare(chain consensus.ChainReader, header *types.Header) error {
+func (c *Clique) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error {
// If the block isn't a checkpoint, cast a random vote (good enough for now)
header.Coinbase = common.Address{}
header.Nonce = types.BlockNonce{}
@@ -522,7 +522,7 @@ func (c *Clique) Prepare(chain consensus.ChainReader, header *types.Header) erro
// Set the correct difficulty
header.Difficulty = CalcDifficulty(snap, c.signer)
- // Ensure the extra data has all it's components
+ // Ensure the extra data has all its components
if len(header.Extra) < extraVanity {
header.Extra = append(header.Extra, bytes.Repeat([]byte{0x00}, extraVanity-len(header.Extra))...)
}
@@ -552,7 +552,7 @@ func (c *Clique) Prepare(chain consensus.ChainReader, header *types.Header) erro
// Finalize implements consensus.Engine, ensuring no uncles are set, nor block
// rewards given.
-func (c *Clique) Finalize(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header) {
+func (c *Clique) Finalize(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header) {
// No block rewards in PoA, so the state remains as is and uncles are dropped
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
header.UncleHash = types.CalcUncleHash(nil)
@@ -560,13 +560,13 @@ func (c *Clique) Finalize(chain consensus.ChainReader, header *types.Header, sta
// FinalizeAndAssemble implements consensus.Engine, ensuring no uncles are set,
// nor block rewards given, and returns the final block.
-func (c *Clique) FinalizeAndAssemble(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
+func (c *Clique) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
// No block rewards in PoA, so the state remains as is and uncles are dropped
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
header.UncleHash = types.CalcUncleHash(nil)
// Assemble and return the final block for sealing
- return types.NewBlock(header, txs, nil, receipts, nil), nil
+ return types.NewBlock(header, txs, nil, receipts, new(trie.Trie), nil), nil
}
// Authorize injects a private key into the consensus engine to mint new blocks
@@ -581,7 +581,7 @@ func (c *Clique) Authorize(signer common.Address, signFn SignerFn) {
// Seal implements consensus.Engine, attempting to create a sealed block using
// the local signing credentials.
-func (c *Clique) Seal(chain consensus.ChainReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
+func (c *Clique) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
header := block.Header()
// Sealing the genesis block is not supported
@@ -654,7 +654,7 @@ func (c *Clique) Seal(chain consensus.ChainReader, block *types.Block, results c
// CalcDifficulty is the difficulty adjustment algorithm. It returns the difficulty
// that a new block should have based on the previous blocks in the chain and the
// current signer.
-func (c *Clique) CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Header) *big.Int {
+func (c *Clique) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
snap, err := c.snapshot(chain, parent.Number.Uint64(), parent.Hash(), nil)
if err != nil {
return nil
@@ -684,7 +684,7 @@ func (c *Clique) Close() error {
// APIs implements consensus.Engine, returning the user facing RPC API to allow
// controlling the signer voting.
-func (c *Clique) APIs(chain consensus.ChainReader) []rpc.API {
+func (c *Clique) APIs(chain consensus.ChainHeaderReader) []rpc.API {
return []rpc.API{{
Namespace: "clique",
Version: "1.0",
diff --git a/consensus/clique/snapshot.go b/consensus/clique/snapshot.go
index 6660c0f..2bf7430 100644
--- a/consensus/clique/snapshot.go
+++ b/consensus/clique/snapshot.go
@@ -24,9 +24,9 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
lru "github.com/hashicorp/golang-lru"
)
diff --git a/consensus/consensus.go b/consensus/consensus.go
index 603a3e9..b29abac 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -24,12 +24,12 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
-// ChainReader defines a small collection of methods needed to access the local
-// blockchain during header and/or uncle verification.
-type ChainReader interface {
+// ChainHeaderReader defines a small collection of methods needed to access the local
+// blockchain during header verification.
+type ChainHeaderReader interface {
// Config retrieves the blockchain's chain configuration.
Config() *params.ChainConfig
@@ -44,6 +44,12 @@ type ChainReader interface {
// GetHeaderByHash retrieves a block header from the database by its hash.
GetHeaderByHash(hash common.Hash) *types.Header
+}
+
+// ChainReader defines a small collection of methods needed to access the local
+// blockchain during header and/or uncle verification.
+type ChainReader interface {
+ ChainHeaderReader
// GetBlock retrieves a block from the database by hash and number.
GetBlock(hash common.Hash, number uint64) *types.Block
@@ -59,13 +65,13 @@ type Engine interface {
// VerifyHeader checks whether a header conforms to the consensus rules of a
// given engine. Verifying the seal may be done optionally here, or explicitly
// via the VerifySeal method.
- VerifyHeader(chain ChainReader, header *types.Header, seal bool) error
+ VerifyHeader(chain ChainHeaderReader, header *types.Header, seal bool) error
// VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers
// concurrently. The method returns a quit channel to abort the operations and
// a results channel to retrieve the async verifications (the order is that of
// the input slice).
- VerifyHeaders(chain ChainReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error)
+ VerifyHeaders(chain ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error)
// VerifyUncles verifies that the given block's uncles conform to the consensus
// rules of a given engine.
@@ -73,18 +79,18 @@ type Engine interface {
// VerifySeal checks whether the crypto seal on a header is valid according to
// the consensus rules of the given engine.
- VerifySeal(chain ChainReader, header *types.Header) error
+ VerifySeal(chain ChainHeaderReader, header *types.Header) error
// Prepare initializes the consensus fields of a block header according to the
// rules of a particular engine. The changes are executed inline.
- Prepare(chain ChainReader, header *types.Header) error
+ Prepare(chain ChainHeaderReader, header *types.Header) error
// Finalize runs any post-transaction state modifications (e.g. block rewards)
// but does not assemble the block.
//
// Note: The block header and state database might be updated to reflect any
// consensus rules that happen at finalization (e.g. block rewards).
- Finalize(chain ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction,
+ Finalize(chain ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction,
uncles []*types.Header)
// FinalizeAndAssemble runs any post-transaction state modifications (e.g. block
@@ -92,7 +98,7 @@ type Engine interface {
//
// Note: The block header and state database might be updated to reflect any
// consensus rules that happen at finalization (e.g. block rewards).
- FinalizeAndAssemble(chain ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction,
+ FinalizeAndAssemble(chain ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction,
uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error)
// Seal generates a new sealing request for the given input block and pushes
@@ -100,17 +106,17 @@ type Engine interface {
//
// Note, the method returns immediately and will send the result async. More
// than one result may also be returned depending on the consensus algorithm.
- Seal(chain ChainReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error
+ Seal(chain ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error
// SealHash returns the hash of a block prior to it being sealed.
SealHash(header *types.Header) common.Hash
// CalcDifficulty is the difficulty adjustment algorithm. It returns the difficulty
// that a new block should have.
- CalcDifficulty(chain ChainReader, time uint64, parent *types.Header) *big.Int
+ CalcDifficulty(chain ChainHeaderReader, time uint64, parent *types.Header) *big.Int
// APIs returns the RPC APIs this consensus engine provides.
- APIs(chain ChainReader) []rpc.API
+ APIs(chain ChainHeaderReader) []rpc.API
// Close terminates any background threads maintained by the consensus engine.
Close() error
diff --git a/consensus/dummy/consensus.go b/consensus/dummy/consensus.go
index 494e4be..42e224d 100644
--- a/consensus/dummy/consensus.go
+++ b/consensus/dummy/consensus.go
@@ -13,14 +13,15 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/rlp"
mapset "github.com/deckarep/golang-set"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
-type OnFinalizeCallbackType = func(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header)
+type OnFinalizeCallbackType = func(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header)
type OnFinalizeAndAssembleCallbackType = func(state *state.StateDB, txs []*types.Transaction) ([]byte, error)
-type OnAPIsCallbackType = func(consensus.ChainReader) []rpc.API
+type OnAPIsCallbackType = func(consensus.ChainHeaderReader) []rpc.API
type OnExtraStateChangeType = func(block *types.Block, statedb *state.StateDB) error
type ConsensusCallbacks struct {
@@ -55,7 +56,7 @@ var (
)
// modified from consensus.go
-func (self *DummyEngine) verifyHeader(chain consensus.ChainReader, header, parent *types.Header, uncle bool, seal bool) error {
+func (self *DummyEngine) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, seal bool) error {
// Ensure that the header's extra-data section is of a reasonable size
if uint64(len(header.Extra)) > params.MaximumExtraDataSize {
return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
@@ -103,7 +104,7 @@ func (self *DummyEngine) verifyHeader(chain consensus.ChainReader, header, paren
return nil
}
-func (self *DummyEngine) verifyHeaderWorker(chain consensus.ChainReader, headers []*types.Header, seals []bool, index int) error {
+func (self *DummyEngine) verifyHeaderWorker(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool, index int) error {
var parent *types.Header
if index == 0 {
parent = chain.GetHeader(headers[0].ParentHash, headers[0].Number.Uint64()-1)
@@ -123,7 +124,7 @@ func (self *DummyEngine) Author(header *types.Header) (common.Address, error) {
return header.Coinbase, nil
}
-func (self *DummyEngine) VerifyHeader(chain consensus.ChainReader, header *types.Header, seal bool) error {
+func (self *DummyEngine) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
// Short circuit if the header is known, or it's parent not
number := header.Number.Uint64()
if chain.GetHeader(header.Hash(), number) != nil {
@@ -137,7 +138,7 @@ func (self *DummyEngine) VerifyHeader(chain consensus.ChainReader, header *types
return self.verifyHeader(chain, header, parent, false, seal)
}
-func (self *DummyEngine) VerifyHeaders(chain consensus.ChainReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
+func (self *DummyEngine) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
// Spawn as many workers as allowed threads
workers := runtime.GOMAXPROCS(0)
if len(headers) < workers {
@@ -239,17 +240,17 @@ func (self *DummyEngine) VerifyUncles(chain consensus.ChainReader, block *types.
return nil
}
-func (self *DummyEngine) VerifySeal(chain consensus.ChainReader, header *types.Header) error {
+func (self *DummyEngine) VerifySeal(chain consensus.ChainHeaderReader, header *types.Header) error {
return nil
}
-func (self *DummyEngine) Prepare(chain consensus.ChainReader, header *types.Header) error {
+func (self *DummyEngine) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error {
header.Difficulty = big.NewInt(1)
return nil
}
func (self *DummyEngine) Finalize(
- chain consensus.ChainReader, header *types.Header,
+ chain consensus.ChainHeaderReader, header *types.Header,
state *state.StateDB, txs []*types.Transaction,
uncles []*types.Header) {
if self.cb.OnFinalize != nil {
@@ -259,12 +260,12 @@ func (self *DummyEngine) Finalize(
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
}
-func (self *DummyEngine) FinalizeAndAssemble(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction,
+func (self *DummyEngine) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction,
uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
- var extdata []byte
+ var extdata *[]byte
if self.cb.OnFinalizeAndAssemble != nil {
ret, err := self.cb.OnFinalizeAndAssemble(state, txs)
- extdata = ret
+ extdata = &ret
if err != nil {
return nil, err
}
@@ -273,10 +274,10 @@ func (self *DummyEngine) FinalizeAndAssemble(chain consensus.ChainReader, header
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
// Header seems complete, assemble into a block and return
- return types.NewBlock(header, txs, uncles, receipts, extdata), nil
+ return types.NewBlock(header, txs, uncles, receipts, new(trie.Trie), extdata), nil
}
-func (self *DummyEngine) Seal(chain consensus.ChainReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) (err error) {
+func (self *DummyEngine) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) (err error) {
if self.cb.OnSeal != nil {
err = self.cb.OnSeal(block)
} else {
@@ -314,11 +315,11 @@ func (self *DummyEngine) SealHash(header *types.Header) (hash common.Hash) {
return hash
}
-func (self *DummyEngine) CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Header) *big.Int {
+func (self *DummyEngine) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
return big.NewInt(1)
}
-func (self *DummyEngine) APIs(chain consensus.ChainReader) (res []rpc.API) {
+func (self *DummyEngine) APIs(chain consensus.ChainHeaderReader) (res []rpc.API) {
res = nil
if self.cb.OnAPIs != nil {
res = self.cb.OnAPIs(chain)
diff --git a/consensus/errors.go b/consensus/errors.go
index a005c5f..ac5242f 100644
--- a/consensus/errors.go
+++ b/consensus/errors.go
@@ -31,7 +31,7 @@ var (
// to the current node.
ErrFutureBlock = errors.New("block in the future")
- // ErrInvalidNumber is returned if a block's number doesn't equal it's parent's
+ // ErrInvalidNumber is returned if a block's number doesn't equal its parent's
// plus one.
ErrInvalidNumber = errors.New("invalid block number")
)
diff --git a/consensus/ethash/algorithm.go b/consensus/ethash/algorithm.go
index 2b66c33..d6c8710 100644
--- a/consensus/ethash/algorithm.go
+++ b/consensus/ethash/algorithm.go
@@ -27,10 +27,10 @@ import (
"time"
"unsafe"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/bitutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/bitutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
"golang.org/x/crypto/sha3"
)
diff --git a/consensus/ethash/api.go b/consensus/ethash/api.go
index 34ed386..c983504 100644
--- a/consensus/ethash/api.go
+++ b/consensus/ethash/api.go
@@ -20,15 +20,15 @@ import (
"errors"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
var errEthashStopped = errors.New("ethash stopped")
// API exposes ethash related methods for the RPC interface.
type API struct {
- ethash *Ethash // Make sure the mode of ethash is normal.
+ ethash *Ethash
}
// GetWork returns a work package for external miner.
@@ -39,7 +39,7 @@ type API struct {
// result[2] - 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
// result[3] - hex encoded block number
func (api *API) GetWork() ([4]string, error) {
- if api.ethash.config.PowMode != ModeNormal && api.ethash.config.PowMode != ModeTest {
+ if api.ethash.remote == nil {
return [4]string{}, errors.New("not supported")
}
@@ -47,13 +47,11 @@ func (api *API) GetWork() ([4]string, error) {
workCh = make(chan [4]string, 1)
errc = make(chan error, 1)
)
-
select {
- case api.ethash.fetchWorkCh <- &sealWork{errc: errc, res: workCh}:
- case <-api.ethash.exitCh:
+ case api.ethash.remote.fetchWorkCh <- &sealWork{errc: errc, res: workCh}:
+ case <-api.ethash.remote.exitCh:
return [4]string{}, errEthashStopped
}
-
select {
case work := <-workCh:
return work, nil
@@ -66,23 +64,21 @@ func (api *API) GetWork() ([4]string, error) {
// It returns an indication if the work was accepted.
// Note either an invalid solution, a stale work a non-existent work will return false.
func (api *API) SubmitWork(nonce types.BlockNonce, hash, digest common.Hash) bool {
- if api.ethash.config.PowMode != ModeNormal && api.ethash.config.PowMode != ModeTest {
+ if api.ethash.remote == nil {
return false
}
var errc = make(chan error, 1)
-
select {
- case api.ethash.submitWorkCh <- &mineResult{
+ case api.ethash.remote.submitWorkCh <- &mineResult{
nonce: nonce,
mixDigest: digest,
hash: hash,
errc: errc,
}:
- case <-api.ethash.exitCh:
+ case <-api.ethash.remote.exitCh:
return false
}
-
err := <-errc
return err == nil
}
@@ -94,21 +90,19 @@ func (api *API) SubmitWork(nonce types.BlockNonce, hash, digest common.Hash) boo
// It accepts the miner hash rate and an identifier which must be unique
// between nodes.
func (api *API) SubmitHashRate(rate hexutil.Uint64, id common.Hash) bool {
- if api.ethash.config.PowMode != ModeNormal && api.ethash.config.PowMode != ModeTest {
+ if api.ethash.remote == nil {
return false
}
var done = make(chan struct{}, 1)
-
select {
- case api.ethash.submitRateCh <- &hashrate{done: done, rate: uint64(rate), id: id}:
- case <-api.ethash.exitCh:
+ case api.ethash.remote.submitRateCh <- &hashrate{done: done, rate: uint64(rate), id: id}:
+ case <-api.ethash.remote.exitCh:
return false
}
// Block until hash rate submitted successfully.
<-done
-
return true
}
diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go
index dc88a79..dc56b6f 100644
--- a/consensus/ethash/consensus.go
+++ b/consensus/ethash/consensus.go
@@ -29,10 +29,11 @@ import (
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/rlp"
mapset "github.com/deckarep/golang-set"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
"golang.org/x/crypto/sha3"
)
@@ -44,6 +45,11 @@ var (
maxUncles = 2 // Maximum number of uncles allowed in a single block
allowedFutureBlockTime = 15 * time.Second // Max time from current time allowed for blocks, before they're considered future blocks
+ // calcDifficultyEip2384 is the difficulty adjustment algorithm as specified by EIP 2384.
+ // It offsets the bomb 4M blocks from Constantinople, so in total 9M blocks.
+ // Specification EIP-2384: https://eips.ethereum.org/EIPS/eip-2384
+ calcDifficultyEip2384 = makeDifficultyCalculator(big.NewInt(9000000))
+
// calcDifficultyConstantinople is the difficulty adjustment algorithm for Constantinople.
// It returns the difficulty that a new block should have when created at time given the
// parent block's time and difficulty. The calculation uses the Byzantium rules, but with
@@ -63,7 +69,7 @@ var (
// codebase, inherently breaking if the engine is swapped out. Please put common
// error types into the consensus package.
var (
- errZeroBlockTime = errors.New("timestamp equals parent's")
+ errOlderBlockTime = errors.New("timestamp older than parent")
errTooManyUncles = errors.New("too many uncles")
errDuplicateUncle = errors.New("duplicate uncle")
errUncleIsAncestor = errors.New("uncle is ancestor")
@@ -81,12 +87,12 @@ func (ethash *Ethash) Author(header *types.Header) (common.Address, error) {
// VerifyHeader checks whether a header conforms to the consensus rules of the
// stock Ethereum ethash engine.
-func (ethash *Ethash) VerifyHeader(chain consensus.ChainReader, header *types.Header, seal bool) error {
+func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
// If we're running a full engine faking, accept any input as valid
if ethash.config.PowMode == ModeFullFake {
return nil
}
- // Short circuit if the header is known, or it's parent not
+ // Short circuit if the header is known, or its parent not
number := header.Number.Uint64()
if chain.GetHeader(header.Hash(), number) != nil {
return nil
@@ -102,7 +108,7 @@ func (ethash *Ethash) VerifyHeader(chain consensus.ChainReader, header *types.He
// VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers
// concurrently. The method returns a quit channel to abort the operations and
// a results channel to retrieve the async verifications.
-func (ethash *Ethash) VerifyHeaders(chain consensus.ChainReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
+func (ethash *Ethash) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
// If we're running a full engine faking, accept any input as valid
if ethash.config.PowMode == ModeFullFake || len(headers) == 0 {
abort, results := make(chan struct{}), make(chan error, len(headers))
@@ -164,7 +170,7 @@ func (ethash *Ethash) VerifyHeaders(chain consensus.ChainReader, headers []*type
return abort, errorsOut
}
-func (ethash *Ethash) verifyHeaderWorker(chain consensus.ChainReader, headers []*types.Header, seals []bool, index int) error {
+func (ethash *Ethash) verifyHeaderWorker(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool, index int) error {
var parent *types.Header
if index == 0 {
parent = chain.GetHeader(headers[0].ParentHash, headers[0].Number.Uint64()-1)
@@ -238,7 +244,7 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo
// verifyHeader checks whether a header conforms to the consensus rules of the
// stock Ethereum ethash engine.
// See YP section 4.3.4. "Block Header Validity"
-func (ethash *Ethash) verifyHeader(chain consensus.ChainReader, header, parent *types.Header, uncle bool, seal bool) error {
+func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, seal bool) error {
// Ensure that the header's extra-data section is of a reasonable size
if uint64(len(header.Extra)) > params.MaximumExtraDataSize {
return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
@@ -250,9 +256,9 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainReader, header, parent *
}
}
if header.Time <= parent.Time {
- return errZeroBlockTime
+ return errOlderBlockTime
}
- // Verify the block's difficulty based in it's timestamp and parent's difficulty
+ // Verify the block's difficulty based on its timestamp and parent's difficulty
expected := ethash.CalcDifficulty(chain, header.Time, parent)
if expected.Cmp(header.Difficulty) != 0 {
@@ -301,7 +307,7 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainReader, header, parent *
// CalcDifficulty is the difficulty adjustment algorithm. It returns
// the difficulty that a new block should have when created at time
// given the parent block's time and difficulty.
-func (ethash *Ethash) CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Header) *big.Int {
+func (ethash *Ethash) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
return CalcDifficulty(chain.Config(), time, parent)
}
@@ -311,6 +317,8 @@ func (ethash *Ethash) CalcDifficulty(chain consensus.ChainReader, time uint64, p
func CalcDifficulty(config *params.ChainConfig, time uint64, parent *types.Header) *big.Int {
next := new(big.Int).Add(parent.Number, big1)
switch {
+ case config.IsMuirGlacier(next):
+ return calcDifficultyEip2384(time, parent)
case config.IsConstantinople(next):
return calcDifficultyConstantinople(time, parent)
case config.IsByzantium(next):
@@ -479,14 +487,14 @@ func calcDifficultyFrontier(time uint64, parent *types.Header) *big.Int {
// VerifySeal implements consensus.Engine, checking whether the given block satisfies
// the PoW difficulty requirements.
-func (ethash *Ethash) VerifySeal(chain consensus.ChainReader, header *types.Header) error {
+func (ethash *Ethash) VerifySeal(chain consensus.ChainHeaderReader, header *types.Header) error {
return ethash.verifySeal(chain, header, false)
}
// verifySeal checks whether a block satisfies the PoW difficulty requirements,
// either using the usual ethash cache for it, or alternatively using a full DAG
// to make remote mining fast.
-func (ethash *Ethash) verifySeal(chain consensus.ChainReader, header *types.Header, fulldag bool) error {
+func (ethash *Ethash) verifySeal(chain consensus.ChainHeaderReader, header *types.Header, fulldag bool) error {
// If we're running a fake PoW, accept any seal as valid
if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake {
time.Sleep(ethash.fakeDelay)
@@ -551,7 +559,7 @@ func (ethash *Ethash) verifySeal(chain consensus.ChainReader, header *types.Head
// Prepare implements consensus.Engine, initializing the difficulty field of a
// header to conform to the ethash protocol. The changes are done inline.
-func (ethash *Ethash) Prepare(chain consensus.ChainReader, header *types.Header) error {
+func (ethash *Ethash) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error {
parent := chain.GetHeader(header.ParentHash, header.Number.Uint64()-1)
if parent == nil {
return consensus.ErrUnknownAncestor
@@ -562,7 +570,7 @@ func (ethash *Ethash) Prepare(chain consensus.ChainReader, header *types.Header)
// Finalize implements consensus.Engine, accumulating the block and uncle rewards,
// setting the final state on the header
-func (ethash *Ethash) Finalize(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header) {
+func (ethash *Ethash) Finalize(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header) {
// Accumulate any block and uncle rewards and commit the final state root
accumulateRewards(chain.Config(), state, header, uncles)
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
@@ -570,13 +578,13 @@ func (ethash *Ethash) Finalize(chain consensus.ChainReader, header *types.Header
// FinalizeAndAssemble implements consensus.Engine, accumulating the block and
// uncle rewards, setting the final state and assembling the block.
-func (ethash *Ethash) FinalizeAndAssemble(chain consensus.ChainReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
+func (ethash *Ethash) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
// Accumulate any block and uncle rewards and commit the final state root
accumulateRewards(chain.Config(), state, header, uncles)
header.Root = state.IntermediateRoot(chain.Config().IsEIP158(header.Number))
// Header seems complete, assemble into a block and return
- return types.NewBlock(header, txs, uncles, receipts, nil), nil
+ return types.NewBlock(header, txs, uncles, receipts, new(trie.Trie), nil), nil
}
// SealHash returns the hash of a block prior to it being sealed.
diff --git a/consensus/ethash/ethash.go b/consensus/ethash/ethash.go
index 53420d0..4a3912d 100644
--- a/consensus/ethash/ethash.go
+++ b/consensus/ethash/ethash.go
@@ -34,12 +34,10 @@ import (
"unsafe"
"github.com/ava-labs/coreth/consensus"
- "github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
mmap "github.com/edsrzf/mmap-go"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
"github.com/hashicorp/golang-lru/simplelru"
)
@@ -50,7 +48,7 @@ var (
two256 = new(big.Int).Exp(big.NewInt(2), big.NewInt(256), big.NewInt(0))
// sharedEthash is a full instance that can be shared between multiple users.
- sharedEthash = New(Config{"", 3, 0, "", 1, 0, ModeNormal}, nil, false)
+ sharedEthash = New(Config{"", 3, 0, false, "", 1, 0, false, ModeNormal, nil}, nil, false)
// algorithmRevision is the data structure version used for file naming.
algorithmRevision = 23
@@ -67,7 +65,7 @@ func isLittleEndian() bool {
}
// memoryMap tries to memory map a file of uint32s for read only access.
-func memoryMap(path string) (*os.File, mmap.MMap, []uint32, error) {
+func memoryMap(path string, lock bool) (*os.File, mmap.MMap, []uint32, error) {
file, err := os.OpenFile(path, os.O_RDONLY, 0644)
if err != nil {
return nil, nil, nil, err
@@ -84,6 +82,13 @@ func memoryMap(path string) (*os.File, mmap.MMap, []uint32, error) {
return nil, nil, nil, ErrInvalidDumpMagic
}
}
+ if lock {
+ if err := mem.Lock(); err != nil {
+ mem.Unmap()
+ file.Close()
+ return nil, nil, nil, err
+ }
+ }
return file, mem, buffer[len(dumpMagic):], err
}
@@ -109,7 +114,7 @@ func memoryMapFile(file *os.File, write bool) (mmap.MMap, []uint32, error) {
// memoryMapAndGenerate tries to memory map a temporary file of uint32s for write
// access, fill it with the data from a generator and then move it into the final
// path requested.
-func memoryMapAndGenerate(path string, size uint64, generator func(buffer []uint32)) (*os.File, mmap.MMap, []uint32, error) {
+func memoryMapAndGenerate(path string, size uint64, lock bool, generator func(buffer []uint32)) (*os.File, mmap.MMap, []uint32, error) {
// Ensure the data folder exists
if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
return nil, nil, nil, err
@@ -144,7 +149,7 @@ func memoryMapAndGenerate(path string, size uint64, generator func(buffer []uint
if err := os.Rename(temp, path); err != nil {
return nil, nil, nil, err
}
- return memoryMap(path)
+ return memoryMap(path, lock)
}
// lru tracks caches or datasets by their last use time, keeping at most N of them.
@@ -215,7 +220,7 @@ func newCache(epoch uint64) interface{} {
}
// generate ensures that the cache content is generated before use.
-func (c *cache) generate(dir string, limit int, test bool) {
+func (c *cache) generate(dir string, limit int, lock bool, test bool) {
c.once.Do(func() {
size := cacheSize(c.epoch*epochLength + 1)
seed := seedHash(c.epoch*epochLength + 1)
@@ -242,7 +247,7 @@ func (c *cache) generate(dir string, limit int, test bool) {
// Try to load the file from disk and memory map it
var err error
- c.dump, c.mmap, c.cache, err = memoryMap(path)
+ c.dump, c.mmap, c.cache, err = memoryMap(path, lock)
if err == nil {
logger.Debug("Loaded old ethash cache from disk")
return
@@ -250,7 +255,7 @@ func (c *cache) generate(dir string, limit int, test bool) {
logger.Debug("Failed to load old ethash cache", "err", err)
// No previous cache available, create a new cache file to fill
- c.dump, c.mmap, c.cache, err = memoryMapAndGenerate(path, size, func(buffer []uint32) { generateCache(buffer, c.epoch, seed) })
+ c.dump, c.mmap, c.cache, err = memoryMapAndGenerate(path, size, lock, func(buffer []uint32) { generateCache(buffer, c.epoch, seed) })
if err != nil {
logger.Error("Failed to generate mapped ethash cache", "err", err)
@@ -292,7 +297,7 @@ func newDataset(epoch uint64) interface{} {
}
// generate ensures that the dataset content is generated before use.
-func (d *dataset) generate(dir string, limit int, test bool) {
+func (d *dataset) generate(dir string, limit int, lock bool, test bool) {
d.once.Do(func() {
// Mark the dataset generated after we're done. This is needed for remote
defer atomic.StoreUint32(&d.done, 1)
@@ -328,7 +333,7 @@ func (d *dataset) generate(dir string, limit int, test bool) {
// Try to load the file from disk and memory map it
var err error
- d.dump, d.mmap, d.dataset, err = memoryMap(path)
+ d.dump, d.mmap, d.dataset, err = memoryMap(path, lock)
if err == nil {
logger.Debug("Loaded old ethash dataset from disk")
return
@@ -339,7 +344,7 @@ func (d *dataset) generate(dir string, limit int, test bool) {
cache := make([]uint32, csize/4)
generateCache(cache, d.epoch, seed)
- d.dump, d.mmap, d.dataset, err = memoryMapAndGenerate(path, dsize, func(buffer []uint32) { generateDataset(buffer, d.epoch, cache) })
+ d.dump, d.mmap, d.dataset, err = memoryMapAndGenerate(path, dsize, lock, func(buffer []uint32) { generateDataset(buffer, d.epoch, cache) })
if err != nil {
logger.Error("Failed to generate mapped ethash dataset", "err", err)
@@ -374,13 +379,13 @@ func (d *dataset) finalizer() {
// MakeCache generates a new ethash cache and optionally stores it to disk.
func MakeCache(block uint64, dir string) {
c := cache{epoch: block / epochLength}
- c.generate(dir, math.MaxInt32, false)
+ c.generate(dir, math.MaxInt32, false, false)
}
// MakeDataset generates a new ethash dataset and optionally stores it to disk.
func MakeDataset(block uint64, dir string) {
d := dataset{epoch: block / epochLength}
- d.generate(dir, math.MaxInt32, false)
+ d.generate(dir, math.MaxInt32, false, false)
}
// Mode defines the type and amount of PoW verification an ethash engine makes.
@@ -396,43 +401,17 @@ const (
// Config are the configuration parameters of the ethash.
type Config struct {
- CacheDir string
- CachesInMem int
- CachesOnDisk int
- DatasetDir string
- DatasetsInMem int
- DatasetsOnDisk int
- PowMode Mode
-}
+ CacheDir string
+ CachesInMem int
+ CachesOnDisk int
+ CachesLockMmap bool
+ DatasetDir string
+ DatasetsInMem int
+ DatasetsOnDisk int
+ DatasetsLockMmap bool
+ PowMode Mode
-// sealTask wraps a seal block with relative result channel for remote sealer thread.
-type sealTask struct {
- block *types.Block
- results chan<- *types.Block
-}
-
-// mineResult wraps the pow solution parameters for the specified block.
-type mineResult struct {
- nonce types.BlockNonce
- mixDigest common.Hash
- hash common.Hash
-
- errc chan error
-}
-
-// hashrate wraps the hash rate submitted by the remote sealer.
-type hashrate struct {
- id common.Hash
- ping time.Time
- rate uint64
-
- done chan struct{}
-}
-
-// sealWork wraps a seal work package for remote sealer.
-type sealWork struct {
- errc chan error
- res chan [4]string
+ Log log.Logger `toml:"-"`
}
// Ethash is a consensus engine based on proof-of-work implementing the ethash
@@ -448,52 +427,42 @@ type Ethash struct {
threads int // Number of threads to mine on if mining
update chan struct{} // Notification channel to update mining parameters
hashrate metrics.Meter // Meter tracking the average hashrate
-
- // Remote sealer related fields
- workCh chan *sealTask // Notification channel to push new work and relative result channel to remote sealer
- fetchWorkCh chan *sealWork // Channel used for remote sealer to fetch mining work
- submitWorkCh chan *mineResult // Channel used for remote sealer to submit their mining result
- fetchRateCh chan chan uint64 // Channel used to gather submitted hash rate for local or remote sealer.
- submitRateCh chan *hashrate // Channel used for remote sealer to submit their mining hashrate
+ remote *remoteSealer
// The fields below are hooks for testing
shared *Ethash // Shared PoW verifier to avoid cache regeneration
fakeFail uint64 // Block number which fails PoW check even in fake mode
fakeDelay time.Duration // Time delay to sleep for before returning from verify
- lock sync.Mutex // Ensures thread safety for the in-memory caches and mining fields
- closeOnce sync.Once // Ensures exit channel will not be closed twice.
- exitCh chan chan error // Notification channel to exiting backend threads
+ lock sync.Mutex // Ensures thread safety for the in-memory caches and mining fields
+ closeOnce sync.Once // Ensures exit channel will not be closed twice.
}
// New creates a full sized ethash PoW scheme and starts a background thread for
// remote mining, also optionally notifying a batch of remote services of new work
// packages.
func New(config Config, notify []string, noverify bool) *Ethash {
+ if config.Log == nil {
+ config.Log = log.Root()
+ }
if config.CachesInMem <= 0 {
- log.Warn("One ethash cache must always be in memory", "requested", config.CachesInMem)
+ config.Log.Warn("One ethash cache must always be in memory", "requested", config.CachesInMem)
config.CachesInMem = 1
}
if config.CacheDir != "" && config.CachesOnDisk > 0 {
- log.Info("Disk storage enabled for ethash caches", "dir", config.CacheDir, "count", config.CachesOnDisk)
+ config.Log.Info("Disk storage enabled for ethash caches", "dir", config.CacheDir, "count", config.CachesOnDisk)
}
if config.DatasetDir != "" && config.DatasetsOnDisk > 0 {
- log.Info("Disk storage enabled for ethash DAGs", "dir", config.DatasetDir, "count", config.DatasetsOnDisk)
+ config.Log.Info("Disk storage enabled for ethash DAGs", "dir", config.DatasetDir, "count", config.DatasetsOnDisk)
}
ethash := &Ethash{
- config: config,
- caches: newlru("cache", config.CachesInMem, newCache),
- datasets: newlru("dataset", config.DatasetsInMem, newDataset),
- update: make(chan struct{}),
- hashrate: metrics.NewMeterForced(),
- workCh: make(chan *sealTask),
- fetchWorkCh: make(chan *sealWork),
- submitWorkCh: make(chan *mineResult),
- fetchRateCh: make(chan chan uint64),
- submitRateCh: make(chan *hashrate),
- exitCh: make(chan chan error),
- }
- go ethash.remote(notify, noverify)
+ config: config,
+ caches: newlru("cache", config.CachesInMem, newCache),
+ datasets: newlru("dataset", config.DatasetsInMem, newDataset),
+ update: make(chan struct{}),
+ hashrate: metrics.NewMeterForced(),
+ }
+ ethash.remote = startRemoteSealer(ethash, notify, noverify)
return ethash
}
@@ -501,19 +470,13 @@ func New(config Config, notify []string, noverify bool) *Ethash {
// purposes.
func NewTester(notify []string, noverify bool) *Ethash {
ethash := &Ethash{
- config: Config{PowMode: ModeTest},
- caches: newlru("cache", 1, newCache),
- datasets: newlru("dataset", 1, newDataset),
- update: make(chan struct{}),
- hashrate: metrics.NewMeterForced(),
- workCh: make(chan *sealTask),
- fetchWorkCh: make(chan *sealWork),
- submitWorkCh: make(chan *mineResult),
- fetchRateCh: make(chan chan uint64),
- submitRateCh: make(chan *hashrate),
- exitCh: make(chan chan error),
- }
- go ethash.remote(notify, noverify)
+ config: Config{PowMode: ModeTest, Log: log.Root()},
+ caches: newlru("cache", 1, newCache),
+ datasets: newlru("dataset", 1, newDataset),
+ update: make(chan struct{}),
+ hashrate: metrics.NewMeterForced(),
+ }
+ ethash.remote = startRemoteSealer(ethash, notify, noverify)
return ethash
}
@@ -524,6 +487,7 @@ func NewFaker() *Ethash {
return &Ethash{
config: Config{
PowMode: ModeFake,
+ Log: log.Root(),
},
}
}
@@ -535,6 +499,7 @@ func NewFakeFailer(fail uint64) *Ethash {
return &Ethash{
config: Config{
PowMode: ModeFake,
+ Log: log.Root(),
},
fakeFail: fail,
}
@@ -547,6 +512,7 @@ func NewFakeDelayer(delay time.Duration) *Ethash {
return &Ethash{
config: Config{
PowMode: ModeFake,
+ Log: log.Root(),
},
fakeDelay: delay,
}
@@ -558,6 +524,7 @@ func NewFullFaker() *Ethash {
return &Ethash{
config: Config{
PowMode: ModeFullFake,
+ Log: log.Root(),
},
}
}
@@ -573,13 +540,11 @@ func (ethash *Ethash) Close() error {
var err error
ethash.closeOnce.Do(func() {
// Short circuit if the exit channel is not allocated.
- if ethash.exitCh == nil {
+ if ethash.remote == nil {
return
}
- errc := make(chan error)
- ethash.exitCh <- errc
- err = <-errc
- close(ethash.exitCh)
+ close(ethash.remote.requestExit)
+ <-ethash.remote.exitCh
})
return err
}
@@ -593,12 +558,12 @@ func (ethash *Ethash) cache(block uint64) *cache {
current := currentI.(*cache)
// Wait for generation finish.
- current.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.PowMode == ModeTest)
+ current.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.CachesLockMmap, ethash.config.PowMode == ModeTest)
// If we need a new future cache, now's a good time to regenerate it.
if futureI != nil {
future := futureI.(*cache)
- go future.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.PowMode == ModeTest)
+ go future.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.CachesLockMmap, ethash.config.PowMode == ModeTest)
}
return current
}
@@ -618,20 +583,20 @@ func (ethash *Ethash) dataset(block uint64, async bool) *dataset {
// If async is specified, generate everything in a background thread
if async && !current.generated() {
go func() {
- current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.PowMode == ModeTest)
+ current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
if futureI != nil {
future := futureI.(*dataset)
- future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.PowMode == ModeTest)
+ future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
}
}()
} else {
// Either blocking generation was requested, or already done
- current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.PowMode == ModeTest)
+ current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
if futureI != nil {
future := futureI.(*dataset)
- go future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.PowMode == ModeTest)
+ go future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
}
}
return current
@@ -680,8 +645,8 @@ func (ethash *Ethash) Hashrate() float64 {
var res = make(chan uint64, 1)
select {
- case ethash.fetchRateCh <- res:
- case <-ethash.exitCh:
+ case ethash.remote.fetchRateCh <- res:
+ case <-ethash.remote.exitCh:
// Return local hashrate only if ethash is stopped.
return ethash.hashrate.Rate1()
}
@@ -691,7 +656,7 @@ func (ethash *Ethash) Hashrate() float64 {
}
// APIs implements consensus.Engine, returning the user facing RPC APIs.
-func (ethash *Ethash) APIs(chain consensus.ChainReader) []rpc.API {
+func (ethash *Ethash) APIs(chain consensus.ChainHeaderReader) []rpc.API {
// In order to ensure backward compatibility, we exposes ethash RPC APIs
// to both eth and ethash namespaces.
return []rpc.API{
diff --git a/consensus/ethash/sealer.go b/consensus/ethash/sealer.go
index 799be05..cb8eed7 100644
--- a/consensus/ethash/sealer.go
+++ b/consensus/ethash/sealer.go
@@ -18,6 +18,7 @@ package ethash
import (
"bytes"
+ "context"
crand "crypto/rand"
"encoding/json"
"errors"
@@ -31,9 +32,8 @@ import (
"github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
const (
@@ -48,7 +48,7 @@ var (
// Seal implements consensus.Engine, attempting to find a nonce that satisfies
// the block's difficulty requirements.
-func (ethash *Ethash) Seal(chain consensus.ChainReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
+func (ethash *Ethash) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
// If we're running a fake PoW, simply return a 0 nonce immediately
if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake {
header := block.Header()
@@ -56,7 +56,7 @@ func (ethash *Ethash) Seal(chain consensus.ChainReader, block *types.Block, resu
select {
case results <- block.WithSeal(header):
default:
- log.Warn("Sealing result is not read by miner", "mode", "fake", "sealhash", ethash.SealHash(block.Header()))
+ ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "fake", "sealhash", ethash.SealHash(block.Header()))
}
return nil
}
@@ -85,8 +85,8 @@ func (ethash *Ethash) Seal(chain consensus.ChainReader, block *types.Block, resu
threads = 0 // Allows disabling local mining without extra logic around local/remote
}
// Push new work to remote sealer
- if ethash.workCh != nil {
- ethash.workCh <- &sealTask{block: block, results: results}
+ if ethash.remote != nil {
+ ethash.remote.workCh <- &sealTask{block: block, results: results}
}
var (
pend sync.WaitGroup
@@ -111,14 +111,14 @@ func (ethash *Ethash) Seal(chain consensus.ChainReader, block *types.Block, resu
select {
case results <- result:
default:
- log.Warn("Sealing result is not read by miner", "mode", "local", "sealhash", ethash.SealHash(block.Header()))
+ ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "local", "sealhash", ethash.SealHash(block.Header()))
}
close(abort)
case <-ethash.update:
// Thread count was changed on user request, restart
close(abort)
if err := ethash.Seal(chain, block, results, stop); err != nil {
- log.Error("Failed to restart sealing after update", "err", err)
+ ethash.config.Log.Error("Failed to restart sealing after update", "err", err)
}
}
// Wait for all miners to terminate and return the block
@@ -143,7 +143,7 @@ func (ethash *Ethash) mine(block *types.Block, id int, seed uint64, abort chan s
attempts = int64(0)
nonce = seed
)
- logger := log.New("miner", id)
+ logger := ethash.config.Log.New("miner", id)
logger.Trace("Started ethash search for new nonces", "seed", seed)
search:
for {
@@ -186,160 +186,128 @@ search:
runtime.KeepAlive(dataset)
}
-// remote is a standalone goroutine to handle remote mining related stuff.
-func (ethash *Ethash) remote(notify []string, noverify bool) {
- var (
- works = make(map[common.Hash]*types.Block)
- rates = make(map[common.Hash]hashrate)
+// This is the timeout for HTTP requests to notify external miners.
+const remoteSealerTimeout = 1 * time.Second
- results chan<- *types.Block
- currentBlock *types.Block
- currentWork [4]string
+type remoteSealer struct {
+ works map[common.Hash]*types.Block
+ rates map[common.Hash]hashrate
+ currentBlock *types.Block
+ currentWork [4]string
+ notifyCtx context.Context
+ cancelNotify context.CancelFunc // cancels all notification requests
+ reqWG sync.WaitGroup // tracks notification request goroutines
- notifyTransport = &http.Transport{}
- notifyClient = &http.Client{
- Transport: notifyTransport,
- Timeout: time.Second,
- }
- notifyReqs = make([]*http.Request, len(notify))
- )
- // notifyWork notifies all the specified mining endpoints of the availability of
- // new work to be processed.
- notifyWork := func() {
- work := currentWork
- blob, _ := json.Marshal(work)
-
- for i, url := range notify {
- // Terminate any previously pending request and create the new work
- if notifyReqs[i] != nil {
- notifyTransport.CancelRequest(notifyReqs[i])
- }
- notifyReqs[i], _ = http.NewRequest("POST", url, bytes.NewReader(blob))
- notifyReqs[i].Header.Set("Content-Type", "application/json")
-
- // Push the new work concurrently to all the remote nodes
- go func(req *http.Request, url string) {
- res, err := notifyClient.Do(req)
- if err != nil {
- log.Warn("Failed to notify remote miner", "err", err)
- } else {
- log.Trace("Notified remote miner", "miner", url, "hash", log.Lazy{Fn: func() common.Hash { return common.HexToHash(work[0]) }}, "target", work[2])
- res.Body.Close()
- }
- }(notifyReqs[i], url)
- }
- }
- // makeWork creates a work package for external miner.
- //
- // The work package consists of 3 strings:
- // result[0], 32 bytes hex encoded current block header pow-hash
- // result[1], 32 bytes hex encoded seed hash used for DAG
- // result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
- // result[3], hex encoded block number
- makeWork := func(block *types.Block) {
- hash := ethash.SealHash(block.Header())
-
- currentWork[0] = hash.Hex()
- currentWork[1] = common.BytesToHash(SeedHash(block.NumberU64())).Hex()
- currentWork[2] = common.BytesToHash(new(big.Int).Div(two256, block.Difficulty()).Bytes()).Hex()
- currentWork[3] = hexutil.EncodeBig(block.Number())
-
- // Trace the seal work fetched by remote sealer.
- currentBlock = block
- works[hash] = block
- }
- // submitWork verifies the submitted pow solution, returning
- // whether the solution was accepted or not (not can be both a bad pow as well as
- // any other error, like no pending work or stale mining result).
- submitWork := func(nonce types.BlockNonce, mixDigest common.Hash, sealhash common.Hash) bool {
- if currentBlock == nil {
- log.Error("Pending work without block", "sealhash", sealhash)
- return false
- }
- // Make sure the work submitted is present
- block := works[sealhash]
- if block == nil {
- log.Warn("Work submitted but none pending", "sealhash", sealhash, "curnumber", currentBlock.NumberU64())
- return false
- }
- // Verify the correctness of submitted result.
- header := block.Header()
- header.Nonce = nonce
- header.MixDigest = mixDigest
-
- start := time.Now()
- if !noverify {
- if err := ethash.verifySeal(nil, header, true); err != nil {
- log.Warn("Invalid proof-of-work submitted", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)), "err", err)
- return false
- }
- }
- // Make sure the result channel is assigned.
- if results == nil {
- log.Warn("Ethash result channel is empty, submitted mining result is rejected")
- return false
- }
- log.Trace("Verified correct proof-of-work", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)))
+ ethash *Ethash
+ noverify bool
+ notifyURLs []string
+ results chan<- *types.Block
+ workCh chan *sealTask // Notification channel to push new work and relative result channel to remote sealer
+ fetchWorkCh chan *sealWork // Channel used for remote sealer to fetch mining work
+ submitWorkCh chan *mineResult // Channel used for remote sealer to submit their mining result
+ fetchRateCh chan chan uint64 // Channel used to gather submitted hash rate for local or remote sealer.
+ submitRateCh chan *hashrate // Channel used for remote sealer to submit their mining hashrate
+ requestExit chan struct{}
+ exitCh chan struct{}
+}
- // Solutions seems to be valid, return to the miner and notify acceptance.
- solution := block.WithSeal(header)
+// sealTask wraps a seal block with relative result channel for remote sealer thread.
+type sealTask struct {
+ block *types.Block
+ results chan<- *types.Block
+}
- // The submitted solution is within the scope of acceptance.
- if solution.NumberU64()+staleThreshold > currentBlock.NumberU64() {
- select {
- case results <- solution:
- log.Debug("Work submitted is acceptable", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash())
- return true
- default:
- log.Warn("Sealing result is not read by miner", "mode", "remote", "sealhash", sealhash)
- return false
- }
- }
- // The submitted block is too old to accept, drop it.
- log.Warn("Work submitted is too old", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash())
- return false
+// mineResult wraps the pow solution parameters for the specified block.
+type mineResult struct {
+ nonce types.BlockNonce
+ mixDigest common.Hash
+ hash common.Hash
+
+ errc chan error
+}
+
+// hashrate wraps the hash rate submitted by the remote sealer.
+type hashrate struct {
+ id common.Hash
+ ping time.Time
+ rate uint64
+
+ done chan struct{}
+}
+
+// sealWork wraps a seal work package for remote sealer.
+type sealWork struct {
+ errc chan error
+ res chan [4]string
+}
+
+func startRemoteSealer(ethash *Ethash, urls []string, noverify bool) *remoteSealer {
+ ctx, cancel := context.WithCancel(context.Background())
+ s := &remoteSealer{
+ ethash: ethash,
+ noverify: noverify,
+ notifyURLs: urls,
+ notifyCtx: ctx,
+ cancelNotify: cancel,
+ works: make(map[common.Hash]*types.Block),
+ rates: make(map[common.Hash]hashrate),
+ workCh: make(chan *sealTask),
+ fetchWorkCh: make(chan *sealWork),
+ submitWorkCh: make(chan *mineResult),
+ fetchRateCh: make(chan chan uint64),
+ submitRateCh: make(chan *hashrate),
+ requestExit: make(chan struct{}),
+ exitCh: make(chan struct{}),
}
+ go s.loop()
+ return s
+}
+
+func (s *remoteSealer) loop() {
+ defer func() {
+ s.ethash.config.Log.Trace("Ethash remote sealer is exiting")
+ s.cancelNotify()
+ s.reqWG.Wait()
+ close(s.exitCh)
+ }()
ticker := time.NewTicker(5 * time.Second)
defer ticker.Stop()
for {
select {
- case work := <-ethash.workCh:
+ case work := <-s.workCh:
// Update current work with new received block.
// Note same work can be past twice, happens when changing CPU threads.
- results = work.results
+ s.results = work.results
+ s.makeWork(work.block)
+ s.notifyWork()
- makeWork(work.block)
-
- // Notify and requested URLs of the new work availability
- notifyWork()
-
- case work := <-ethash.fetchWorkCh:
+ case work := <-s.fetchWorkCh:
// Return current mining work to remote miner.
- if currentBlock == nil {
+ if s.currentBlock == nil {
work.errc <- errNoMiningWork
} else {
- work.res <- currentWork
+ work.res <- s.currentWork
}
- case result := <-ethash.submitWorkCh:
+ case result := <-s.submitWorkCh:
// Verify submitted PoW solution based on maintained mining blocks.
- if submitWork(result.nonce, result.mixDigest, result.hash) {
+ if s.submitWork(result.nonce, result.mixDigest, result.hash) {
result.errc <- nil
} else {
result.errc <- errInvalidSealResult
}
- case result := <-ethash.submitRateCh:
+ case result := <-s.submitRateCh:
// Trace remote sealer's hash rate by submitted value.
- rates[result.id] = hashrate{rate: result.rate, ping: time.Now()}
+ s.rates[result.id] = hashrate{rate: result.rate, ping: time.Now()}
close(result.done)
- case req := <-ethash.fetchRateCh:
+ case req := <-s.fetchRateCh:
// Gather all hash rate submitted by remote sealer.
var total uint64
- for _, rate := range rates {
+ for _, rate := range s.rates {
// this could overflow
total += rate.rate
}
@@ -347,25 +315,126 @@ func (ethash *Ethash) remote(notify []string, noverify bool) {
case <-ticker.C:
// Clear stale submitted hash rate.
- for id, rate := range rates {
+ for id, rate := range s.rates {
if time.Since(rate.ping) > 10*time.Second {
- delete(rates, id)
+ delete(s.rates, id)
}
}
// Clear stale pending blocks
- if currentBlock != nil {
- for hash, block := range works {
- if block.NumberU64()+staleThreshold <= currentBlock.NumberU64() {
- delete(works, hash)
+ if s.currentBlock != nil {
+ for hash, block := range s.works {
+ if block.NumberU64()+staleThreshold <= s.currentBlock.NumberU64() {
+ delete(s.works, hash)
}
}
}
- case errc := <-ethash.exitCh:
- // Exit remote loop if ethash is closed and return relevant error.
- errc <- nil
- log.Trace("Ethash remote sealer is exiting")
+ case <-s.requestExit:
return
}
}
}
+
+// makeWork creates a work package for external miner.
+//
+// The work package consists of 3 strings:
+// result[0], 32 bytes hex encoded current block header pow-hash
+// result[1], 32 bytes hex encoded seed hash used for DAG
+// result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
+// result[3], hex encoded block number
+func (s *remoteSealer) makeWork(block *types.Block) {
+ hash := s.ethash.SealHash(block.Header())
+ s.currentWork[0] = hash.Hex()
+ s.currentWork[1] = common.BytesToHash(SeedHash(block.NumberU64())).Hex()
+ s.currentWork[2] = common.BytesToHash(new(big.Int).Div(two256, block.Difficulty()).Bytes()).Hex()
+ s.currentWork[3] = hexutil.EncodeBig(block.Number())
+
+ // Trace the seal work fetched by remote sealer.
+ s.currentBlock = block
+ s.works[hash] = block
+}
+
+// notifyWork notifies all the specified mining endpoints of the availability of
+// new work to be processed.
+func (s *remoteSealer) notifyWork() {
+ work := s.currentWork
+ blob, _ := json.Marshal(work)
+ s.reqWG.Add(len(s.notifyURLs))
+ for _, url := range s.notifyURLs {
+ go s.sendNotification(s.notifyCtx, url, blob, work)
+ }
+}
+
+func (s *remoteSealer) sendNotification(ctx context.Context, url string, json []byte, work [4]string) {
+ defer s.reqWG.Done()
+
+ req, err := http.NewRequest("POST", url, bytes.NewReader(json))
+ if err != nil {
+ s.ethash.config.Log.Warn("Can't create remote miner notification", "err", err)
+ return
+ }
+ ctx, cancel := context.WithTimeout(ctx, remoteSealerTimeout)
+ defer cancel()
+ req = req.WithContext(ctx)
+ req.Header.Set("Content-Type", "application/json")
+
+ resp, err := http.DefaultClient.Do(req)
+ if err != nil {
+ s.ethash.config.Log.Warn("Failed to notify remote miner", "err", err)
+ } else {
+ s.ethash.config.Log.Trace("Notified remote miner", "miner", url, "hash", work[0], "target", work[2])
+ resp.Body.Close()
+ }
+}
+
+// submitWork verifies the submitted pow solution, returning
+// whether the solution was accepted or not (not can be both a bad pow as well as
+// any other error, like no pending work or stale mining result).
+func (s *remoteSealer) submitWork(nonce types.BlockNonce, mixDigest common.Hash, sealhash common.Hash) bool {
+ if s.currentBlock == nil {
+ s.ethash.config.Log.Error("Pending work without block", "sealhash", sealhash)
+ return false
+ }
+ // Make sure the work submitted is present
+ block := s.works[sealhash]
+ if block == nil {
+ s.ethash.config.Log.Warn("Work submitted but none pending", "sealhash", sealhash, "curnumber", s.currentBlock.NumberU64())
+ return false
+ }
+ // Verify the correctness of submitted result.
+ header := block.Header()
+ header.Nonce = nonce
+ header.MixDigest = mixDigest
+
+ start := time.Now()
+ if !s.noverify {
+ if err := s.ethash.verifySeal(nil, header, true); err != nil {
+ s.ethash.config.Log.Warn("Invalid proof-of-work submitted", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)), "err", err)
+ return false
+ }
+ }
+ // Make sure the result channel is assigned.
+ if s.results == nil {
+ s.ethash.config.Log.Warn("Ethash result channel is empty, submitted mining result is rejected")
+ return false
+ }
+ s.ethash.config.Log.Trace("Verified correct proof-of-work", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)))
+
+ // Solutions seems to be valid, return to the miner and notify acceptance.
+ solution := block.WithSeal(header)
+
+ // The submitted solution is within the scope of acceptance.
+ if solution.NumberU64()+staleThreshold > s.currentBlock.NumberU64() {
+ select {
+ case s.results <- solution:
+ s.ethash.config.Log.Debug("Work submitted is acceptable", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash())
+ return true
+ default:
+ s.ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "remote", "sealhash", sealhash)
+ return false
+ }
+ }
+ // The submitted block is too old to accept, drop it.
+ s.ethash.config.Log.Warn("Work submitted is too old", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash())
+ return false
+}
diff --git a/consensus/misc/dao.go b/consensus/misc/dao.go
index 8ce79a2..4c80a59 100644
--- a/consensus/misc/dao.go
+++ b/consensus/misc/dao.go
@@ -27,7 +27,7 @@ import (
)
var (
- // ErrBadProDAOExtra is returned if a header doens't support the DAO fork on a
+ // ErrBadProDAOExtra is returned if a header doesn't support the DAO fork on a
// pro-fork client.
ErrBadProDAOExtra = errors.New("bad DAO pro-fork extra-data")
diff --git a/consensus/misc/forks.go b/consensus/misc/forks.go
index 06792b0..72b7124 100644
--- a/consensus/misc/forks.go
+++ b/consensus/misc/forks.go
@@ -21,7 +21,7 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// VerifyForkHashes verifies that blocks conforming to network hard-forks do have
diff --git a/copied-list.txt b/copied-list.txt
new file mode 100644
index 0000000..94353ff
--- /dev/null
+++ b/copied-list.txt
@@ -0,0 +1,107 @@
+./consensus/clique/api.go
+./consensus/clique/snapshot.go
+./consensus/errors.go
+./consensus/ethash/algorithm.go
+./consensus/ethash/api.go
+./consensus/ethash/ethash.go
+./consensus/ethash/sealer.go
+./consensus/misc/dao.go
+./consensus/misc/forks.go
+./core/blockchain_insert.go
+./core/blocks.go
+./core/block_validator.go
+./core/bloombits/doc.go
+./core/bloombits/generator.go
+./core/bloombits/matcher.go
+./core/bloombits/scheduler.go
+./core/chain_indexer.go
+./core/error.go
+./core/gaspool.go
+./core/genesis_alloc.go
+./core/headerchain.go
+./core/mkalloc.go
+./core/rawdb/accessors_indexes.go
+./core/rawdb/accessors_metadata.go
+./core/rawdb/database.go
+./core/rawdb/freezer.go
+./core/rawdb/freezer_reinit.go
+./core/rawdb/freezer_table.go
+./core/rawdb/schema.go
+./core/rawdb/table.go
+./core/state/database.go
+./core/state/dump.go
+./core/state/iterator.go
+./core/state_prefetcher.go
+./core/state/sync.go
+./core/state_transition.go
+./core/tx_cacher.go
+./core/tx_journal.go
+./core/tx_list.go
+./core/tx_noncer.go
+./core/types/bloom9.go
+./core/types/derive_sha.go
+./core/types/gen_header_json.go
+./core/types/gen_log_json.go
+./core/types/gen_receipt_json.go
+./core/types/gen_tx_json.go
+./core/types.go
+./core/types/log.go
+./core/types/receipt.go
+./core/types/transaction.go
+./core/types/transaction_signing.go
+./core/vm/analysis.go
+./core/vm/common.go
+./core/vm/contract.go
+./core/vm/contracts.go
+./core/vm/doc.go
+./core/vm/eips.go
+./core/vm/gas.go
+./core/vm/gas_table.go
+./core/vm/gen_structlog.go
+./core/vm/intpool.go
+./core/vm/int_pool_verifier_empty.go
+./core/vm/int_pool_verifier.go
+./core/vm/logger.go
+./core/vm/logger_json.go
+./core/vm/memory.go
+./core/vm/stack.go
+./core/vm/stack_table.go
+./eth/bloombits.go
+./eth/filters/api.go
+./eth/filters/filter.go
+./eth/filters/filter_system.go
+./eth/gasprice/gasprice.go
+./eth/metrics.go
+./eth/protocol.go
+./ethstats/ethstats.go
+./eth/tracers/internal/tracers/tracers.go
+./eth/tracers/tracer.go
+./eth/tracers/tracers.go
+./internal/debug/api.go
+./internal/debug/flags.go
+./internal/debug/loudpanic_fallback.go
+./internal/debug/loudpanic.go
+./internal/debug/trace_fallback.go
+./internal/debug/trace.go
+./internal/ethapi/addrlock.go
+./miner/unconfirmed.go
+./node/defaults.go
+./node/errors.go
+./params/config.go
+./params/dao.go
+./params/denomination.go
+./params/network_params.go
+./params/version.go
+./rpc/constants_unix_nocgo.go
+./rpc/doc.go
+./rpc/errors.go
+./rpc/gzip.go
+./rpc/handler.go
+./rpc/http.go
+./rpc/ipc_js.go
+./rpc/json.go
+./rpc/server.go
+./rpc/service.go
+./rpc/subscription.go
+./rpc/websocket.go
+./accounts/*
diff --git a/core/block_validator.go b/core/block_validator.go
index f6cdafe..e2721be 100644
--- a/core/block_validator.go
+++ b/core/block_validator.go
@@ -23,6 +23,7 @@ import (
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
+ "github.com/ethereum/go-ethereum/trie"
)
// BlockValidator is responsible for validating block headers, uncles and
@@ -61,7 +62,7 @@ func (v *BlockValidator) ValidateBody(block *types.Block) error {
if hash := types.CalcUncleHash(block.Uncles()); hash != header.UncleHash {
return fmt.Errorf("uncle root hash mismatch: have %x, want %x", hash, header.UncleHash)
}
- if hash := types.DeriveSha(block.Transactions()); hash != header.TxHash {
+ if hash := types.DeriveSha(block.Transactions(), new(trie.Trie)); hash != header.TxHash {
return fmt.Errorf("transaction root hash mismatch: have %x, want %x", hash, header.TxHash)
}
if !v.bc.HasBlockAndState(block.ParentHash(), block.NumberU64()-1) {
@@ -89,7 +90,7 @@ func (v *BlockValidator) ValidateState(block *types.Block, statedb *state.StateD
return fmt.Errorf("invalid bloom (remote: %x local: %x)", header.Bloom, rbloom)
}
// Tre receipt Trie's root (R = (Tr [[H1, R1], ... [Hn, R1]]))
- receiptSha := types.DeriveSha(receipts)
+ receiptSha := types.DeriveSha(receipts, new(trie.Trie))
if receiptSha != header.ReceiptHash {
return fmt.Errorf("invalid receipt root hash (remote: %x local: %x)", header.ReceiptHash, receiptSha)
}
diff --git a/core/blockchain.go b/core/blockchain.go
index 6e316c7..b3a7ffa 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -23,6 +23,7 @@ import (
"io"
"math/big"
mrand "math/rand"
+ "sort"
"sync"
"sync/atomic"
"time"
@@ -30,19 +31,20 @@ import (
"github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/state"
+ "github.com/ava-labs/coreth/core/state/snapshot"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/mclock"
- "github.com/ava-labs/go-ethereum/common/prque"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
- "github.com/hashicorp/golang-lru"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/mclock"
+ "github.com/ethereum/go-ethereum/common/prque"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
+ lru "github.com/hashicorp/golang-lru"
)
var (
@@ -60,12 +62,19 @@ var (
storageUpdateTimer = metrics.NewRegisteredTimer("chain/storage/updates", nil)
storageCommitTimer = metrics.NewRegisteredTimer("chain/storage/commits", nil)
+ snapshotAccountReadTimer = metrics.NewRegisteredTimer("chain/snapshot/account/reads", nil)
+ snapshotStorageReadTimer = metrics.NewRegisteredTimer("chain/snapshot/storage/reads", nil)
+ snapshotCommitTimer = metrics.NewRegisteredTimer("chain/snapshot/commits", nil)
+
blockInsertTimer = metrics.NewRegisteredTimer("chain/inserts", nil)
blockValidationTimer = metrics.NewRegisteredTimer("chain/validation", nil)
blockExecutionTimer = metrics.NewRegisteredTimer("chain/execution", nil)
blockWriteTimer = metrics.NewRegisteredTimer("chain/write", nil)
- blockReorgAddMeter = metrics.NewRegisteredMeter("chain/reorg/drop", nil)
- blockReorgDropMeter = metrics.NewRegisteredMeter("chain/reorg/add", nil)
+
+ blockReorgMeter = metrics.NewRegisteredMeter("chain/reorg/executes", nil)
+ blockReorgAddMeter = metrics.NewRegisteredMeter("chain/reorg/add", nil)
+ blockReorgDropMeter = metrics.NewRegisteredMeter("chain/reorg/drop", nil)
+ blockReorgInvalidatedTx = metrics.NewRegisteredMeter("chain/reorg/invalidTx", nil)
blockPrefetchExecuteTimer = metrics.NewRegisteredTimer("chain/prefetch/executes", nil)
blockPrefetchInterruptMeter = metrics.NewRegisteredMeter("chain/prefetch/interrupts", nil)
@@ -103,17 +112,35 @@ const (
// - Version 7
// The following incompatible database changes were added:
// * Use freezer as the ancient database to maintain all ancient data
- BlockChainVersion uint64 = 7
+ // - Version 8
+ // The following incompatible database changes were added:
+ // * New scheme for contract code in order to separate the codes and trie nodes
+ BlockChainVersion uint64 = 8
)
// CacheConfig contains the configuration values for the trie caching/pruning
// that's resident in a blockchain.
type CacheConfig struct {
TrieCleanLimit int // Memory allowance (MB) to use for caching trie nodes in memory
+ TrieCleanJournal string // Disk journal for saving clean cache entries.
+ TrieCleanRejournal time.Duration // Time interval to dump clean cache to disk periodically
TrieCleanNoPrefetch bool // Whether to disable heuristic state prefetching for followup blocks
TrieDirtyLimit int // Memory limit (MB) at which to start flushing dirty trie nodes to disk
TrieDirtyDisabled bool // Whether to disable trie write caching and GC altogether (archive node)
TrieTimeLimit time.Duration // Time limit after which to flush the current in-memory trie to disk
+ SnapshotLimit int // Memory allowance (MB) to use for caching snapshot entries in memory
+
+ SnapshotWait bool // Wait for snapshot construction on startup. TODO(karalabe): This is a dirty hack for testing, nuke it
+}
+
+// defaultCacheConfig are the default caching values if none are specified by the
+// user (also used during testing).
+var defaultCacheConfig = &CacheConfig{
+ TrieCleanLimit: 256,
+ TrieDirtyLimit: 256,
+ TrieTimeLimit: 5 * time.Minute,
+ SnapshotLimit: 256,
+ SnapshotWait: true,
}
// BlockChain represents the canonical chain given a database with a genesis
@@ -135,9 +162,17 @@ type BlockChain struct {
cacheConfig *CacheConfig // Cache configuration for pruning
db ethdb.Database // Low level persistent database to store final content in
+ snaps *snapshot.Tree // Snapshot tree for fast trie leaf access
triegc *prque.Prque // Priority queue mapping block numbers to tries to gc
gcproc time.Duration // Accumulates canonical block processing for trie dumping
+ // txLookupLimit is the maximum number of blocks from head whose tx indices
+ // are reserved:
+ // * 0: means no limit and regenerate any missing indexes
+ // * N: means N block limit [HEAD-N+1, HEAD] and delete extra indexes
+ // * nil: disable tx reindexer/deleter, but still index new blocks
+ txLookupLimit uint64
+
hc *HeaderChain
rmLogsFeed event.Feed
chainFeed event.Feed
@@ -161,11 +196,10 @@ type BlockChain struct {
txLookupCache *lru.Cache // Cache for the most recent transaction lookup data.
futureBlocks *lru.Cache // future blocks are blocks added for later processing
- quit chan struct{} // blockchain quit channel
- running int32 // running must be called atomically
- // procInterrupt must be atomically called
- procInterrupt int32 // interrupt signaler for block processing
+ quit chan struct{} // blockchain quit channel
wg sync.WaitGroup // chain processing wait group for shutting down
+ running int32 // 0 if chain is running, 1 when stopped
+ procInterrupt int32 // interrupt signaler for block processing
engine consensus.Engine
validator Validator // Block and state validator interface
@@ -182,13 +216,9 @@ type BlockChain struct {
// NewBlockChain returns a fully initialised block chain using information
// available in the database. It initialises the default Ethereum Validator and
// Processor.
-func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, shouldPreserve func(block *types.Block) bool, manualCanonical bool) (*BlockChain, error) {
+func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *params.ChainConfig, engine consensus.Engine, vmConfig vm.Config, shouldPreserve func(block *types.Block) bool, txLookupLimit *uint64, manualCanonical bool) (*BlockChain, error) {
if cacheConfig == nil {
- cacheConfig = &CacheConfig{
- TrieCleanLimit: 256,
- TrieDirtyLimit: 256,
- TrieTimeLimit: 5 * time.Minute,
- }
+ cacheConfig = defaultCacheConfig
}
bodyCache, _ := lru.New(bodyCacheLimit)
bodyRLPCache, _ := lru.New(bodyCacheLimit)
@@ -203,7 +233,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
cacheConfig: cacheConfig,
db: db,
triegc: prque.New(nil),
- stateCache: state.NewDatabaseWithCache(db, cacheConfig.TrieCleanLimit),
+ stateCache: state.NewDatabaseWithCache(db, cacheConfig.TrieCleanLimit, cacheConfig.TrieCleanJournal),
quit: make(chan struct{}),
shouldPreserve: shouldPreserve,
bodyCache: bodyCache,
@@ -222,7 +252,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
bc.processor = NewStateProcessor(chainConfig, bc, engine)
var err error
- bc.hc, err = NewHeaderChain(db, chainConfig, engine, bc.getProcInterrupt)
+ bc.hc, err = NewHeaderChain(db, chainConfig, engine, bc.insertStopped)
if err != nil {
return nil, err
}
@@ -230,18 +260,35 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
if bc.genesisBlock == nil {
return nil, ErrNoGenesis
}
+
+ var nilBlock *types.Block
+ bc.currentBlock.Store(nilBlock)
+ bc.currentFastBlock.Store(nilBlock)
+
// Initialize the chain with ancient data if it isn't empty.
+ var txIndexBlock uint64
+
if bc.empty() {
rawdb.InitDatabaseFromFreezer(bc.db)
+ // If ancient database is not empty, reconstruct all missing
+ // indices in the background.
+ frozen, _ := bc.db.Ancients()
+ if frozen > 0 {
+ txIndexBlock = frozen
+ }
}
if err := bc.loadLastState(); err != nil {
return nil, err
}
- // The first thing the node will do is reconstruct the verification data for
- // the head block (ethash cache or clique voting snapshot). Might as well do
- // it in advance.
- bc.engine.VerifyHeader(bc, bc.CurrentHeader(), true)
-
+ // Make sure the state associated with the block is available
+ head := bc.CurrentBlock()
+ if _, err := state.New(head.Root(), bc.stateCache, bc.snaps); err != nil {
+ log.Warn("Head state missing, repairing", "number", head.Number(), "hash", head.Hash())
+ if err := bc.SetHead(head.NumberU64()); err != nil {
+ return nil, err
+ }
+ }
+ // Ensure that a previous crash in SetHead doesn't leave extra ancients
if frozen, err := bc.db.Ancients(); err == nil && frozen > 0 {
var (
needRewind bool
@@ -251,7 +298,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
// blockchain repair. If the head full block is even lower than the ancient
// chain, truncate the ancient store.
fullBlock := bc.CurrentBlock()
- if fullBlock != nil && fullBlock != bc.genesisBlock && fullBlock.NumberU64() < frozen-1 {
+ if fullBlock != nil && fullBlock.Hash() != bc.genesisBlock.Hash() && fullBlock.NumberU64() < frozen-1 {
needRewind = true
low = fullBlock.NumberU64()
}
@@ -266,15 +313,17 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
}
}
if needRewind {
- var hashes []common.Hash
- previous := bc.CurrentHeader().Number.Uint64()
- for i := low + 1; i <= bc.CurrentHeader().Number.Uint64(); i++ {
- hashes = append(hashes, rawdb.ReadCanonicalHash(bc.db, i))
+ log.Error("Truncating ancient chain", "from", bc.CurrentHeader().Number.Uint64(), "to", low)
+ if err := bc.SetHead(low); err != nil {
+ return nil, err
}
- bc.Rollback(hashes)
- log.Warn("Truncate ancient chain", "from", previous, "to", low)
}
}
+ // The first thing the node will do is reconstruct the verification data for
+ // the head block (ethash cache or clique voting snapshot). Might as well do
+ // it in advance.
+ bc.engine.VerifyHeader(bc, bc.CurrentHeader(), true)
+
// Check the current state of the block hashes and make sure that we do not have any of the bad blocks in our chain
for hash := range BadHashes {
if header := bc.GetHeaderByHash(hash); header != nil {
@@ -283,20 +332,39 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, chainConfig *par
// make sure the headerByNumber (if present) is in our current canonical chain
if headerByNumber != nil && headerByNumber.Hash() == header.Hash() {
log.Error("Found bad hash, rewinding chain", "number", header.Number, "hash", header.ParentHash)
- bc.SetHead(header.Number.Uint64() - 1)
+ if err := bc.SetHead(header.Number.Uint64() - 1); err != nil {
+ return nil, err
+ }
log.Error("Chain rewind was successful, resuming normal operation")
}
}
}
+ // Load any existing snapshot, regenerating it if loading failed
+ if bc.cacheConfig.SnapshotLimit > 0 {
+ bc.snaps = snapshot.New(bc.db, bc.stateCache.TrieDB(), bc.cacheConfig.SnapshotLimit, bc.CurrentBlock().Root(), !bc.cacheConfig.SnapshotWait)
+ }
// Take ownership of this particular state
go bc.update()
+ if txLookupLimit != nil {
+ bc.txLookupLimit = *txLookupLimit
+ go bc.maintainTxIndex(txIndexBlock)
+ }
+ // If periodic cache journal is required, spin it up.
+ if bc.cacheConfig.TrieCleanRejournal > 0 {
+ if bc.cacheConfig.TrieCleanRejournal < time.Minute {
+ log.Warn("Sanitizing invalid trie cache journal time", "provided", bc.cacheConfig.TrieCleanRejournal, "updated", time.Minute)
+ bc.cacheConfig.TrieCleanRejournal = time.Minute
+ }
+ triedb := bc.stateCache.TrieDB()
+ bc.wg.Add(1)
+ go func() {
+ defer bc.wg.Done()
+ triedb.SaveCachePeriodically(bc.cacheConfig.TrieCleanJournal, bc.cacheConfig.TrieCleanRejournal, bc.quit)
+ }()
+ }
return bc, nil
}
-func (bc *BlockChain) getProcInterrupt() bool {
- return atomic.LoadInt32(&bc.procInterrupt) == 1
-}
-
// GetVMConfig returns the block chain VM config.
func (bc *BlockChain) GetVMConfig() *vm.Config {
return &bc.vmConfig
@@ -333,15 +401,6 @@ func (bc *BlockChain) loadLastState() error {
log.Warn("Head block missing, resetting chain", "hash", head)
return bc.Reset()
}
- // Make sure the state associated with the block is available
- if _, err := state.New(currentBlock.Root(), bc.stateCache); err != nil {
- // Dangling block without a state associated, init from scratch
- log.Warn("Head state missing, repairing chain", "number", currentBlock.Number(), "hash", currentBlock.Hash())
- if err := bc.repair(&currentBlock); err != nil {
- return err
- }
- rawdb.WriteHeadBlockHash(bc.db, currentBlock.Hash())
- }
// Everything seems to be fine, set as the head block
bc.currentBlock.Store(currentBlock)
headBlockGauge.Update(int64(currentBlock.NumberU64()))
@@ -375,37 +434,59 @@ func (bc *BlockChain) loadLastState() error {
log.Info("Loaded most recent local header", "number", currentHeader.Number, "hash", currentHeader.Hash(), "td", headerTd, "age", common.PrettyAge(time.Unix(int64(currentHeader.Time), 0)))
log.Info("Loaded most recent local full block", "number", currentBlock.Number(), "hash", currentBlock.Hash(), "td", blockTd, "age", common.PrettyAge(time.Unix(int64(currentBlock.Time()), 0)))
log.Info("Loaded most recent local fast block", "number", currentFastBlock.Number(), "hash", currentFastBlock.Hash(), "td", fastTd, "age", common.PrettyAge(time.Unix(int64(currentFastBlock.Time()), 0)))
-
+ if pivot := rawdb.ReadLastPivotNumber(bc.db); pivot != nil {
+ log.Info("Loaded last fast-sync pivot marker", "number", *pivot)
+ }
return nil
}
-// SetHead rewinds the local chain to a new head. In the case of headers, everything
-// above the new head will be deleted and the new one set. In the case of blocks
-// though, the head may be further rewound if block bodies are missing (non-archive
-// nodes after a fast sync).
+// SetHead rewinds the local chain to a new head. Depending on whether the node
+// was fast synced or full synced and in which state, the method will try to
+// delete minimal data from disk whilst retaining chain consistency.
func (bc *BlockChain) SetHead(head uint64) error {
- log.Warn("Rewinding blockchain", "target", head)
-
bc.chainmu.Lock()
defer bc.chainmu.Unlock()
- updateFn := func(db ethdb.KeyValueWriter, header *types.Header) {
- // Rewind the block chain, ensuring we don't end up with a stateless head block
- if currentBlock := bc.CurrentBlock(); currentBlock != nil && header.Number.Uint64() < currentBlock.NumberU64() {
+ // Retrieve the last pivot block to short circuit rollbacks beyond it and the
+ // current freezer limit to start nuking id underflown
+ pivot := rawdb.ReadLastPivotNumber(bc.db)
+ frozen, _ := bc.db.Ancients()
+
+ updateFn := func(db ethdb.KeyValueWriter, header *types.Header) (uint64, bool) {
+ // Rewind the block chain, ensuring we don't end up with a stateless head
+ // block. Note, depth equality is permitted to allow using SetHead as a
+ // chain reparation mechanism without deleting any data!
+ if currentBlock := bc.CurrentBlock(); currentBlock != nil && header.Number.Uint64() <= currentBlock.NumberU64() {
newHeadBlock := bc.GetBlock(header.Hash(), header.Number.Uint64())
if newHeadBlock == nil {
+ log.Error("Gap in the chain, rewinding to genesis", "number", header.Number, "hash", header.Hash())
newHeadBlock = bc.genesisBlock
} else {
- if _, err := state.New(newHeadBlock.Root(), bc.stateCache); err != nil {
- // Rewound state missing, rolled back to before pivot, reset to genesis
- newHeadBlock = bc.genesisBlock
+ // Block exists, keep rewinding until we find one with state
+ for {
+ if _, err := state.New(newHeadBlock.Root(), bc.stateCache, bc.snaps); err != nil {
+ log.Trace("Block state missing, rewinding further", "number", newHeadBlock.NumberU64(), "hash", newHeadBlock.Hash())
+ if pivot == nil || newHeadBlock.NumberU64() > *pivot {
+ newHeadBlock = bc.GetBlock(newHeadBlock.ParentHash(), newHeadBlock.NumberU64()-1)
+ continue
+ } else {
+ log.Trace("Rewind passed pivot, aiming genesis", "number", newHeadBlock.NumberU64(), "hash", newHeadBlock.Hash(), "pivot", *pivot)
+ newHeadBlock = bc.genesisBlock
+ }
+ }
+ log.Debug("Rewound to block with state", "number", newHeadBlock.NumberU64(), "hash", newHeadBlock.Hash())
+ break
}
}
rawdb.WriteHeadBlockHash(db, newHeadBlock.Hash())
+
+ // Degrade the chain markers if they are explicitly reverted.
+ // In theory we should update all in-memory markers in the
+ // last step, however the direction of SetHead is from high
+ // to low, so it's safe the update in-memory markers directly.
bc.currentBlock.Store(newHeadBlock)
headBlockGauge.Update(int64(newHeadBlock.NumberU64()))
}
-
// Rewind the fast block in a simpleton way to the target head
if currentFastBlock := bc.CurrentFastBlock(); currentFastBlock != nil && header.Number.Uint64() < currentFastBlock.NumberU64() {
newHeadFastBlock := bc.GetBlock(header.Hash(), header.Number.Uint64())
@@ -414,11 +495,25 @@ func (bc *BlockChain) SetHead(head uint64) error {
newHeadFastBlock = bc.genesisBlock
}
rawdb.WriteHeadFastBlockHash(db, newHeadFastBlock.Hash())
+
+ // Degrade the chain markers if they are explicitly reverted.
+ // In theory we should update all in-memory markers in the
+ // last step, however the direction of SetHead is from high
+ // to low, so it's safe the update in-memory markers directly.
bc.currentFastBlock.Store(newHeadFastBlock)
headFastBlockGauge.Update(int64(newHeadFastBlock.NumberU64()))
}
- }
+ head := bc.CurrentBlock().NumberU64()
+ // If setHead underflown the freezer threshold and the block processing
+ // intent afterwards is full block importing, delete the chain segment
+ // between the stateful-block and the sethead target.
+ var wipe bool
+ if head+1 < frozen {
+ wipe = pivot == nil || head >= *pivot
+ }
+ return head, wipe // Only force wipe if full synced
+ }
// Rewind the header chain, deleting all block bodies until then
delFn := func(db ethdb.KeyValueWriter, hash common.Hash, num uint64) {
// Ignore the error here since light client won't hit this path
@@ -426,10 +521,9 @@ func (bc *BlockChain) SetHead(head uint64) error {
if num+1 <= frozen {
// Truncate all relative data(header, total difficulty, body, receipt
// and canonical hash) from ancient store.
- if err := bc.db.TruncateAncients(num + 1); err != nil {
+ if err := bc.db.TruncateAncients(num); err != nil {
log.Crit("Failed to truncate ancient data", "number", num, "err", err)
}
-
// Remove the hash <-> number mapping from the active store.
rawdb.DeleteHeaderNumber(db, hash)
} else {
@@ -441,8 +535,18 @@ func (bc *BlockChain) SetHead(head uint64) error {
}
// Todo(rjl493456442) txlookup, bloombits, etc
}
- bc.hc.SetHead(head, updateFn, delFn)
-
+ // If SetHead was only called as a chain reparation method, try to skip
+ // touching the header chain altogether, unless the freezer is broken
+ if block := bc.CurrentBlock(); block.NumberU64() == head {
+ if target, force := updateFn(bc.db, block.Header()); force {
+ bc.hc.SetHead(target, updateFn, delFn)
+ }
+ } else {
+ // Rewind the chain to the requested head and keep going backwards until a
+ // block with a state is found or fast sync pivot is passed
+ log.Warn("Rewinding blockchain", "target", head)
+ bc.hc.SetHead(head, updateFn, delFn)
+ }
// Clear out any stale content from the caches
bc.bodyCache.Purge()
bc.bodyRLPCache.Purge()
@@ -471,6 +575,10 @@ func (bc *BlockChain) FastSyncCommitHead(hash common.Hash) error {
headBlockGauge.Update(int64(block.NumberU64()))
bc.chainmu.Unlock()
+ // Destroy any existing state snapshot and regenerate it in the background
+ if bc.snaps != nil {
+ bc.snaps.Rebuild(block.Root())
+ }
log.Info("Committed new head block", "number", block.Number(), "hash", hash)
return nil
}
@@ -486,6 +594,15 @@ func (bc *BlockChain) CurrentBlock() *types.Block {
return bc.currentBlock.Load().(*types.Block)
}
+// Snapshot returns the blockchain snapshot tree. This method is mainly used for
+// testing, to make it possible to verify the snapshot after execution.
+//
+// Warning: There are no guarantees about the safety of using the returned 'snap' if the
+// blockchain is simultaneously importing blocks, so take care.
+func (bc *BlockChain) Snapshot() *snapshot.Tree {
+ return bc.snaps
+}
+
// CurrentFastBlock retrieves the current fast-sync head block of the canonical
// chain. The block is retrieved from the blockchain's internal cache.
func (bc *BlockChain) CurrentFastBlock() *types.Block {
@@ -509,7 +626,7 @@ func (bc *BlockChain) State() (*state.StateDB, error) {
// StateAt returns a new mutable state based on a particular point in time.
func (bc *BlockChain) StateAt(root common.Hash) (*state.StateDB, error) {
- return state.New(root, bc.stateCache)
+ return state.New(root, bc.stateCache, bc.snaps)
}
// StateCache returns the caching database underpinning the blockchain instance.
@@ -533,46 +650,25 @@ func (bc *BlockChain) ResetWithGenesisBlock(genesis *types.Block) error {
defer bc.chainmu.Unlock()
// Prepare the genesis block and reinitialise the chain
- if err := bc.hc.WriteTd(genesis.Hash(), genesis.NumberU64(), genesis.Difficulty()); err != nil {
- log.Crit("Failed to write genesis block TD", "err", err)
+ batch := bc.db.NewBatch()
+ rawdb.WriteTd(batch, genesis.Hash(), genesis.NumberU64(), genesis.Difficulty())
+ rawdb.WriteBlock(batch, genesis)
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write genesis block", "err", err)
}
- rawdb.WriteBlock(bc.db, genesis)
+ bc.writeHeadBlock(genesis)
+ // Last update all in-memory chain markers
bc.genesisBlock = genesis
- bc.insert(bc.genesisBlock)
bc.currentBlock.Store(bc.genesisBlock)
headBlockGauge.Update(int64(bc.genesisBlock.NumberU64()))
-
bc.hc.SetGenesis(bc.genesisBlock.Header())
bc.hc.SetCurrentHeader(bc.genesisBlock.Header())
bc.currentFastBlock.Store(bc.genesisBlock)
headFastBlockGauge.Update(int64(bc.genesisBlock.NumberU64()))
-
return nil
}
-// repair tries to repair the current blockchain by rolling back the current block
-// until one with associated state is found. This is needed to fix incomplete db
-// writes caused either by crashes/power outages, or simply non-committed tries.
-//
-// This method only rolls back the current block. The current header and current
-// fast block are left intact.
-func (bc *BlockChain) repair(head **types.Block) error {
- for {
- // Abort if we've rewound to a head block that does have associated state
- if _, err := state.New((*head).Root(), bc.stateCache); err == nil {
- log.Info("Rewound blockchain to past state", "number", (*head).Number(), "hash", (*head).Hash())
- return nil
- }
- // Otherwise rewind one block and recheck state availability there
- block := bc.GetBlock((*head).ParentHash(), (*head).NumberU64()-1)
- if block == nil {
- return fmt.Errorf("missing block %d [%x]", (*head).NumberU64()-1, (*head).ParentHash())
- }
- *head = block
- }
-}
-
// Export writes the active chain to the given writer.
func (bc *BlockChain) Export(w io.Writer) error {
return bc.ExportN(w, uint64(0), bc.CurrentBlock().NumberU64())
@@ -605,31 +701,39 @@ func (bc *BlockChain) ExportN(w io.Writer, first uint64, last uint64) error {
return nil
}
-// insert injects a new head block into the current block chain. This method
+// writeHeadBlock injects a new head block into the current block chain. This method
// assumes that the block is indeed a true head. It will also reset the head
// header and the head fast sync block to this very same block if they are older
// or if they are on a different side chain.
//
// Note, this function assumes that the `mu` mutex is held!
-func (bc *BlockChain) insert(block *types.Block) {
+func (bc *BlockChain) writeHeadBlock(block *types.Block) {
// If the block is on a side chain or an unknown one, force other heads onto it too
updateHeads := rawdb.ReadCanonicalHash(bc.db, block.NumberU64()) != block.Hash()
// Add the block to the canonical chain number scheme and mark as the head
- rawdb.WriteCanonicalHash(bc.db, block.Hash(), block.NumberU64())
- rawdb.WriteHeadBlockHash(bc.db, block.Hash())
-
- bc.currentBlock.Store(block)
- headBlockGauge.Update(int64(block.NumberU64()))
+ batch := bc.db.NewBatch()
+ rawdb.WriteCanonicalHash(batch, block.Hash(), block.NumberU64())
+ rawdb.WriteTxLookupEntriesByBlock(batch, block)
+ rawdb.WriteHeadBlockHash(batch, block.Hash())
// If the block is better than our head or is on a different chain, force update heads
if updateHeads {
+ rawdb.WriteHeadHeaderHash(batch, block.Hash())
+ rawdb.WriteHeadFastBlockHash(batch, block.Hash())
+ }
+ // Flush the whole batch into the disk, exit the node if failed
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to update chain indexes and markers", "err", err)
+ }
+ // Update all in-memory chain markers in the last step
+ if updateHeads {
bc.hc.SetCurrentHeader(block.Header())
- rawdb.WriteHeadFastBlockHash(bc.db, block.Hash())
-
bc.currentFastBlock.Store(block)
headFastBlockGauge.Update(int64(block.NumberU64()))
}
+ bc.currentBlock.Store(block)
+ headBlockGauge.Update(int64(block.NumberU64()))
}
// Genesis retrieves the chain's genesis block.
@@ -800,12 +904,30 @@ func (bc *BlockChain) GetUnclesInChain(block *types.Block, length int) []*types.
return uncles
}
-// TrieNode retrieves a blob of data associated with a trie node (or code hash)
+// TrieNode retrieves a blob of data associated with a trie node
// either from ephemeral in-memory cache, or from persistent storage.
func (bc *BlockChain) TrieNode(hash common.Hash) ([]byte, error) {
return bc.stateCache.TrieDB().Node(hash)
}
+// ContractCode retrieves a blob of data associated with a contract hash
+// either from ephemeral in-memory cache, or from persistent storage.
+func (bc *BlockChain) ContractCode(hash common.Hash) ([]byte, error) {
+ return bc.stateCache.ContractCode(common.Hash{}, hash)
+}
+
+// ContractCodeWithPrefix retrieves a blob of data associated with a contract
+// hash either from ephemeral in-memory cache, or from persistent storage.
+//
+// If the code doesn't exist in the in-memory cache, check the storage with
+// new code scheme.
+func (bc *BlockChain) ContractCodeWithPrefix(hash common.Hash) ([]byte, error) {
+ type codeReader interface {
+ ContractCodeWithPrefix(addrHash, codeHash common.Hash) ([]byte, error)
+ }
+ return bc.stateCache.(codeReader).ContractCodeWithPrefix(common.Hash{}, hash)
+}
+
// Stop stops the blockchain service. If any imports are currently in progress
// it will abort them using the procInterrupt.
func (bc *BlockChain) Stop() {
@@ -815,10 +937,17 @@ func (bc *BlockChain) Stop() {
// Unsubscribe all subscriptions registered from blockchain
bc.scope.Close()
close(bc.quit)
- atomic.StoreInt32(&bc.procInterrupt, 1)
-
+ bc.StopInsert()
bc.wg.Wait()
+ // Ensure that the entirety of the state snapshot is journalled to disk.
+ var snapBase common.Hash
+ if bc.snaps != nil {
+ var err error
+ if snapBase, err = bc.snaps.Journal(bc.CurrentBlock().Root()); err != nil {
+ log.Error("Failed to journal state snapshot", "err", err)
+ }
+ }
// Ensure the state of a recent block is also stored to disk before exiting.
// We're writing three different states to catch different restart scenarios:
// - HEAD: So we don't need to reprocess any blocks in the general case
@@ -832,11 +961,17 @@ func (bc *BlockChain) Stop() {
recent := bc.GetBlockByNumber(number - offset)
log.Info("Writing cached state to disk", "block", recent.Number(), "hash", recent.Hash(), "root", recent.Root())
- if err := triedb.Commit(recent.Root(), true); err != nil {
+ if err := triedb.Commit(recent.Root(), true, nil); err != nil {
log.Error("Failed to commit recent state trie", "err", err)
}
}
}
+ if snapBase != (common.Hash{}) {
+ log.Info("Writing snapshot state to disk", "root", snapBase)
+ if err := triedb.Commit(snapBase, true, nil); err != nil {
+ log.Error("Failed to commit recent state trie", "err", err)
+ }
+ }
for !bc.triegc.Empty() {
triedb.Dereference(bc.triegc.PopItem().(common.Hash))
}
@@ -844,7 +979,25 @@ func (bc *BlockChain) Stop() {
log.Error("Dangling trie nodes after full cleanup")
}
}
- log.Info("Blockchain manager stopped")
+ // Ensure all live cached entries be saved into disk, so that we can skip
+ // cache warmup when node restarts.
+ if bc.cacheConfig.TrieCleanJournal != "" {
+ triedb := bc.stateCache.TrieDB()
+ triedb.SaveCache(bc.cacheConfig.TrieCleanJournal)
+ }
+ log.Info("Blockchain stopped")
+}
+
+// StopInsert interrupts all insertion methods, causing them to return
+// errInsertionInterrupted as soon as possible. Insertion is permanently disabled after
+// calling this method.
+func (bc *BlockChain) StopInsert() {
+ atomic.StoreInt32(&bc.procInterrupt, 1)
+}
+
+// insertStopped returns true after StopInsert has been called.
+func (bc *BlockChain) insertStopped() bool {
+ return atomic.LoadInt32(&bc.procInterrupt) == 1
}
func (bc *BlockChain) procFutureBlocks() {
@@ -855,8 +1008,9 @@ func (bc *BlockChain) procFutureBlocks() {
}
}
if len(blocks) > 0 {
- types.BlockBy(types.Number).Sort(blocks)
-
+ sort.Slice(blocks, func(i, j int) bool {
+ return blocks[i].NumberU64() < blocks[j].NumberU64()
+ })
// Insert one by one as chain insertion needs contiguous ancestry between blocks
for i := range blocks {
bc.InsertChain(blocks[i : i+1])
@@ -873,42 +1027,6 @@ const (
SideStatTy
)
-// Rollback is designed to remove a chain of links from the database that aren't
-// certain enough to be valid.
-func (bc *BlockChain) Rollback(chain []common.Hash) {
- bc.chainmu.Lock()
- defer bc.chainmu.Unlock()
-
- for i := len(chain) - 1; i >= 0; i-- {
- hash := chain[i]
-
- currentHeader := bc.hc.CurrentHeader()
- if currentHeader.Hash() == hash {
- bc.hc.SetCurrentHeader(bc.GetHeader(currentHeader.ParentHash, currentHeader.Number.Uint64()-1))
- }
- if currentFastBlock := bc.CurrentFastBlock(); currentFastBlock.Hash() == hash {
- newFastBlock := bc.GetBlock(currentFastBlock.ParentHash(), currentFastBlock.NumberU64()-1)
- rawdb.WriteHeadFastBlockHash(bc.db, newFastBlock.Hash())
- bc.currentFastBlock.Store(newFastBlock)
- headFastBlockGauge.Update(int64(newFastBlock.NumberU64()))
- }
- if currentBlock := bc.CurrentBlock(); currentBlock.Hash() == hash {
- newBlock := bc.GetBlock(currentBlock.ParentHash(), currentBlock.NumberU64()-1)
- rawdb.WriteHeadBlockHash(bc.db, newBlock.Hash())
- bc.currentBlock.Store(newBlock)
- headBlockGauge.Update(int64(newBlock.NumberU64()))
- }
- }
- // Truncate ancient data which exceeds the current header.
- //
- // Notably, it can happen that system crashes without truncating the ancient data
- // but the head indicator has been updated in the active store. Regarding this issue,
- // system will self recovery by truncating the extra data during the setup phase.
- if err := bc.truncateAncient(bc.hc.CurrentHeader().Number.Uint64()); err != nil {
- log.Crit("Truncate ancient store failed", "err", err)
- }
-}
-
// truncateAncient rewinds the blockchain to the specified header and deletes all
// data in the ancient store that exceeds the specified header.
func (bc *BlockChain) truncateAncient(head uint64) error {
@@ -982,7 +1100,7 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
size = 0
)
// updateHead updates the head fast sync block if the inserted blocks are better
- // and returns a indicator whether the inserted blocks are canonical.
+ // and returns an indicator whether the inserted blocks are canonical.
updateHead := func(head *types.Block) bool {
if bc.manualCanonical {
return false
@@ -1024,7 +1142,7 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
var deleted []*numberHash
for i, block := range blockChain {
// Short circuit insertion if shutting down or processing failed
- if atomic.LoadInt32(&bc.procInterrupt) == 1 {
+ if bc.insertStopped() {
return 0, errInsertionInterrupted
}
// Short circuit insertion if it is required(used in testing only)
@@ -1064,7 +1182,6 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
}
// Don't collect too much in-memory, write it out every 100K blocks
if len(deleted) > 100000 {
-
// Sync the ancient store explicitly to ensure all data has been flushed to disk.
if err := bc.db.Sync(); err != nil {
return 0, err
@@ -1096,8 +1213,23 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
}
// Flush data into ancient database.
size += rawdb.WriteAncientBlock(bc.db, block, receiptChain[i], bc.GetTd(block.Hash(), block.NumberU64()))
- rawdb.WriteTxLookupEntries(batch, block)
+ // Write tx indices if any condition is satisfied:
+ // * If user requires to reserve all tx indices(txlookuplimit=0)
+ // * If all ancient tx indices are required to be reserved(txlookuplimit is even higher than ancientlimit)
+ // * If block number is large enough to be regarded as a recent block
+ // It means blocks below the ancientLimit-txlookupLimit won't be indexed.
+ //
+ // But if the `TxIndexTail` is not nil, e.g. Geth is initialized with
+ // an external ancient database, during the setup, blockchain will start
+ // a background routine to re-indexed all indices in [ancients - txlookupLimit, ancients)
+ // range. In this case, all tx indices of newly imported blocks should be
+ // generated.
+ if bc.txLookupLimit == 0 || ancientLimit <= bc.txLookupLimit || block.NumberU64() >= ancientLimit-bc.txLookupLimit {
+ rawdb.WriteTxLookupEntriesByBlock(batch, block)
+ } else if rawdb.ReadTxIndexTail(bc.db) != nil {
+ rawdb.WriteTxLookupEntriesByBlock(batch, block)
+ }
stats.processed++
}
// Flush all tx-lookup index data.
@@ -1154,26 +1286,37 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
}
// writeLive writes blockchain and corresponding receipt chain into active store.
writeLive := func(blockChain types.Blocks, receiptChain []types.Receipts) (int, error) {
+ skipPresenceCheck := false
batch := bc.db.NewBatch()
for i, block := range blockChain {
// Short circuit insertion if shutting down or processing failed
- if atomic.LoadInt32(&bc.procInterrupt) == 1 {
+ if bc.insertStopped() {
return 0, errInsertionInterrupted
}
// Short circuit if the owner header is unknown
if !bc.HasHeader(block.Hash(), block.NumberU64()) {
return i, fmt.Errorf("containing header #%d [%x…] unknown", block.Number(), block.Hash().Bytes()[:4])
}
- if bc.HasBlock(block.Hash(), block.NumberU64()) {
- stats.ignored++
- continue
+ if !skipPresenceCheck {
+ // Ignore if the entire data is already known
+ if bc.HasBlock(block.Hash(), block.NumberU64()) {
+ stats.ignored++
+ continue
+ } else {
+ // If block N is not present, neither are the later blocks.
+ // This should be true, but if we are mistaken, the shortcut
+ // here will only cause overwriting of some existing data
+ skipPresenceCheck = true
+ }
}
// Write all the data out into the database
rawdb.WriteBody(batch, block.Hash(), block.NumberU64(), block.Body())
rawdb.WriteReceipts(batch, block.Hash(), block.NumberU64(), receiptChain[i])
- rawdb.WriteTxLookupEntries(batch, block)
+ rawdb.WriteTxLookupEntriesByBlock(batch, block) // Always write tx indices for live blocks, we assume they are needed
- stats.processed++
+ // Write everything belongs to the blocks into the database. So that
+ // we can ensure all components of body is completed(body, receipts,
+ // tx indexes)
if batch.ValueSize() >= ethdb.IdealBatchSize {
if err := batch.Write(); err != nil {
return 0, err
@@ -1181,7 +1324,11 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
size += batch.ValueSize()
batch.Reset()
}
+ stats.processed++
}
+ // Write everything belongs to the blocks into the database. So that
+ // we can ensure all components of body is completed(body, receipts,
+ // tx indexes)
if batch.ValueSize() > 0 {
size += batch.ValueSize()
if err := batch.Write(); err != nil {
@@ -1191,7 +1338,7 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
updateHead(blockChain[len(blockChain)-1])
return 0, nil
}
- // Write downloaded chain data and corresponding receipt chain data.
+ // Write downloaded chain data and corresponding receipt chain data
if len(ancientBlocks) > 0 {
if n, err := writeAncient(ancientBlocks, ancientReceipts); err != nil {
if err == errInsertionInterrupted {
@@ -1200,6 +1347,19 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
return n, err
}
}
+ // Write the tx index tail (block number from where we index) before write any live blocks
+ if len(liveBlocks) > 0 && liveBlocks[0].NumberU64() == ancientLimit+1 {
+ // The tx index tail can only be one of the following two options:
+ // * 0: all ancient blocks have been indexed
+ // * ancient-limit: the indices of blocks before ancient-limit are ignored
+ if tail := rawdb.ReadTxIndexTail(bc.db); tail == nil {
+ if bc.txLookupLimit == 0 || ancientLimit <= bc.txLookupLimit {
+ rawdb.WriteTxIndexTail(bc.db, 0)
+ } else {
+ rawdb.WriteTxIndexTail(bc.db, ancientLimit-bc.txLookupLimit)
+ }
+ }
+ }
if len(liveBlocks) > 0 {
if n, err := writeLive(liveBlocks, liveReceipts); err != nil {
if err == errInsertionInterrupted {
@@ -1223,6 +1383,18 @@ func (bc *BlockChain) InsertReceiptChain(blockChain types.Blocks, receiptChain [
return 0, nil
}
+// SetTxLookupLimit is responsible for updating the txlookup limit to the
+// original one stored in db if the new mismatches with the old one.
+func (bc *BlockChain) SetTxLookupLimit(limit uint64) {
+ bc.txLookupLimit = limit
+}
+
+// TxLookupLimit retrieves the txlookup limit used by blockchain to prune
+// stale transaction indices.
+func (bc *BlockChain) TxLookupLimit() uint64 {
+ return bc.txLookupLimit
+}
+
var lastWrite uint64
// writeBlockWithoutState writes only the block and its metadata to the database,
@@ -1232,11 +1404,12 @@ func (bc *BlockChain) writeBlockWithoutState(block *types.Block, td *big.Int) (e
bc.wg.Add(1)
defer bc.wg.Done()
- if err := bc.hc.WriteTd(block.Hash(), block.NumberU64(), td); err != nil {
- return err
+ batch := bc.db.NewBatch()
+ rawdb.WriteTd(batch, block.Hash(), block.NumberU64(), td)
+ rawdb.WriteBlock(batch, block)
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write block into disk", "err", err)
}
- rawdb.WriteBlock(bc.db, block)
-
return nil
}
@@ -1252,25 +1425,21 @@ func (bc *BlockChain) writeKnownBlock(block *types.Block) error {
return err
}
}
- // Write the positional metadata for transaction/receipt lookups.
- // Preimages here is empty, ignore it.
- rawdb.WriteTxLookupEntries(bc.db, block)
-
- bc.insert(block)
+ bc.writeHeadBlock(block)
return nil
}
// WriteBlockWithState writes the block and all associated state to the database.
-func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.Receipt, state *state.StateDB) (status WriteStatus, err error) {
+func (bc *BlockChain) WriteBlockWithState(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
bc.chainmu.Lock()
defer bc.chainmu.Unlock()
- return bc.writeBlockWithState(block, receipts, state)
+ return bc.writeBlockWithState(block, receipts, logs, state, emitHeadEvent)
}
// writeBlockWithState writes the block and all associated state to the database,
// but is expects the chain mutex to be held.
-func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.Receipt, state *state.StateDB) (status WriteStatus, err error) {
+func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.Receipt, logs []*types.Log, state *state.StateDB, emitHeadEvent bool) (status WriteStatus, err error) {
bc.wg.Add(1)
defer bc.wg.Done()
@@ -1284,12 +1453,19 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
localTd := bc.GetTd(currentBlock.Hash(), currentBlock.NumberU64())
externTd := new(big.Int).Add(block.Difficulty(), ptd)
- // Irrelevant of the canonical status, write the block itself to the database
- if err := bc.hc.WriteTd(block.Hash(), block.NumberU64(), externTd); err != nil {
- return NonStatTy, err
- }
- rawdb.WriteBlock(bc.db, block)
-
+ // Irrelevant of the canonical status, write the block itself to the database.
+ //
+ // Note all the components of block(td, hash->number map, header, body, receipts)
+ // should be written atomically. BlockBatch is used for containing all components.
+ blockBatch := bc.db.NewBatch()
+ rawdb.WriteTd(blockBatch, block.Hash(), block.NumberU64(), externTd)
+ rawdb.WriteBlock(blockBatch, block)
+ rawdb.WriteReceipts(blockBatch, block.Hash(), block.NumberU64(), receipts)
+ rawdb.WritePreimages(blockBatch, state.Preimages())
+ if err := blockBatch.Write(); err != nil {
+ log.Crit("Failed to write block into disk", "err", err)
+ }
+ // Commit all cached state changes into underlying memory database.
root, err := state.Commit(bc.chainConfig.IsEIP158(block.Number()))
if err != nil {
return NonStatTy, err
@@ -1298,7 +1474,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
// If we're running an archive node, always flush
if bc.cacheConfig.TrieDirtyDisabled {
- if err := triedb.Commit(root, false); err != nil {
+ if err := triedb.Commit(root, false, nil); err != nil {
return NonStatTy, err
}
} else {
@@ -1332,7 +1508,7 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
log.Info("State in memory for too long, committing", "time", bc.gcproc, "allowance", bc.cacheConfig.TrieTimeLimit, "optimum", float64(chosen-lastWrite)/TriesInMemory)
}
// Flush an entire trie and restart the counters
- triedb.Commit(header.Root, true)
+ triedb.Commit(header.Root, true, nil)
lastWrite = chosen
bc.gcproc = 0
}
@@ -1348,11 +1524,6 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
}
}
}
-
- // Write other block data using a batch.
- batch := bc.db.NewBatch()
- rawdb.WriteReceipts(batch, block.Hash(), block.NumberU64(), receipts)
-
// If the total difficulty is higher than our known, add it to the canonical chain
// Second clause in the if statement reduces the vulnerability to selfish mining.
// Please refer to http://www.cs.cornell.edu/~ie53/publications/btcProcFC.pdf
@@ -1378,23 +1549,32 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
return NonStatTy, err
}
}
- // Write the positional metadata for transaction/receipt lookups and preimages
- rawdb.WriteTxLookupEntries(batch, block)
- rawdb.WritePreimages(batch, state.Preimages())
-
status = CanonStatTy
} else {
status = SideStatTy
}
- if err := batch.Write(); err != nil {
- return NonStatTy, err
- }
-
// Set new head.
if status == CanonStatTy {
- bc.insert(block)
+ bc.writeHeadBlock(block)
}
bc.futureBlocks.Remove(block.Hash())
+
+ if status == CanonStatTy {
+ bc.chainFeed.Send(ChainEvent{Block: block, Hash: block.Hash(), Logs: logs})
+ if len(logs) > 0 {
+ bc.logsFeed.Send(logs)
+ }
+ // In theory we should fire a ChainHeadEvent when we inject
+ // a canonical block, but sometimes we can insert a batch of
+ // canonicial blocks. Avoid firing too much ChainHeadEvents,
+ // we will fire an accumulated ChainHeadEvent and disable fire
+ // event here.
+ if emitHeadEvent {
+ bc.chainHeadFeed.Send(ChainHeadEvent{Block: block})
+ }
+ } else {
+ bc.chainSideFeed.Send(ChainSideEvent{Block: block})
+ }
return status, nil
}
@@ -1445,11 +1625,10 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
// Pre-checks passed, start the full block imports
bc.wg.Add(1)
bc.chainmu.Lock()
- n, events, logs, err := bc.insertChain(chain, true)
+ n, err := bc.insertChain(chain, true)
bc.chainmu.Unlock()
bc.wg.Done()
- bc.PostChainEvents(events, logs)
return n, err
}
@@ -1461,23 +1640,24 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
// racey behaviour. If a sidechain import is in progress, and the historic state
// is imported, but then new canon-head is added before the actual sidechain
// completes, then the historic state could be pruned again
-func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []interface{}, []*types.Log, error) {
+func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, error) {
// If the chain is terminating, don't even bother starting up
if atomic.LoadInt32(&bc.procInterrupt) == 1 {
- return 0, nil, nil, nil
+ return 0, nil
}
// Start a parallel signature recovery (signer will fluke on fork transition, minimal perf loss)
senderCacher.recoverFromBlocks(types.MakeSigner(bc.chainConfig, chain[0].Number()), chain)
- // A queued approach to delivering events. This is generally
- // faster than direct delivery and requires much less mutex
- // acquiring.
var (
- stats = insertStats{startTime: mclock.Now()}
- events = make([]interface{}, 0, len(chain))
- lastCanon *types.Block
- coalescedLogs []*types.Log
+ stats = insertStats{startTime: mclock.Now()}
+ lastCanon *types.Block
)
+ // Fire a single chain head event if we've progressed the chain
+ defer func() {
+ if lastCanon != nil && bc.CurrentBlock().Hash() == lastCanon.Hash() {
+ bc.chainHeadFeed.Send(ChainHeadEvent{lastCanon})
+ }
+ }()
// Start the parallel header verifier
headers := make([]*types.Header, len(chain))
seals := make([]bool, len(chain))
@@ -1527,7 +1707,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
for block != nil && err == ErrKnownBlock {
log.Debug("Writing previously known block", "number", block.Number(), "hash", block.Hash())
if err := bc.writeKnownBlock(block); err != nil {
- return it.index, nil, nil, err
+ return it.index, err
}
lastCanon = block
@@ -1537,16 +1717,16 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
}
switch {
// First block is pruned, insert as sidechain and reorg only if TD grows enough
- case err == consensus.ErrPrunedAncestor:
+ case errors.Is(err, consensus.ErrPrunedAncestor):
log.Debug("Pruned ancestor, inserting as sidechain", "number", block.Number(), "hash", block.Hash())
return bc.insertSideChain(block, it)
// First block is future, shove it (and all children) to the future queue (unknown ancestor)
- case err == consensus.ErrFutureBlock || (err == consensus.ErrUnknownAncestor && bc.futureBlocks.Contains(it.first().ParentHash())):
- for block != nil && (it.index == 0 || err == consensus.ErrUnknownAncestor) {
+ case errors.Is(err, consensus.ErrFutureBlock) || (errors.Is(err, consensus.ErrUnknownAncestor) && bc.futureBlocks.Contains(it.first().ParentHash())):
+ for block != nil && (it.index == 0 || errors.Is(err, consensus.ErrUnknownAncestor)) {
log.Debug("Future block, postponing import", "number", block.Number(), "hash", block.Hash())
if err := bc.addFutureBlock(block); err != nil {
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
block, err = it.next()
}
@@ -1554,25 +1734,26 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
stats.ignored += it.remaining()
// If there are any still remaining, mark as ignored
- return it.index, events, coalescedLogs, err
+ return it.index, err
// Some other error occurred, abort
case err != nil:
+ bc.futureBlocks.Remove(block.Hash())
stats.ignored += len(it.chain)
bc.reportBlock(block, nil, err)
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
// No validation errors for the first block (or chain prefix skipped)
for ; block != nil && err == nil || err == ErrKnownBlock; block, err = it.next() {
// If the chain is terminating, stop processing blocks
- if atomic.LoadInt32(&bc.procInterrupt) == 1 {
- log.Debug("Premature abort during blocks processing")
+ if bc.insertStopped() {
+ log.Debug("Abort during block processing")
break
}
// If the header is a banned one, straight out abort
if BadHashes[block.Hash()] {
bc.reportBlock(block, nil, ErrBlacklistedHash)
- return it.index, events, coalescedLogs, ErrBlacklistedHash
+ return it.index, ErrBlacklistedHash
}
// If the block is known (in the middle of the chain), it's a special case for
// Clique blocks where they can share state among each other, so importing an
@@ -1588,16 +1769,28 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
"uncles", len(block.Uncles()), "txs", len(block.Transactions()), "gas", block.GasUsed(),
"root", block.Root())
+ // Special case. Commit the empty receipt slice if we meet the known
+ // block in the middle. It can only happen in the clique chain. Whenever
+ // we insert blocks via `insertSideChain`, we only commit `td`, `header`
+ // and `body` if it's non-existent. Since we don't have receipts without
+ // reexecution, so nothing to commit. But if the sidechain will be adpoted
+ // as the canonical chain eventually, it needs to be reexecuted for missing
+ // state, but if it's this special case here(skip reexecution) we will lose
+ // the empty receipt entry.
+ if len(block.Transactions()) == 0 {
+ rawdb.WriteReceipts(bc.db, block.Hash(), block.NumberU64(), nil)
+ } else {
+ log.Error("Please file an issue, skip known block execution without receipt",
+ "hash", block.Hash(), "number", block.NumberU64())
+ }
if err := bc.writeKnownBlock(block); err != nil {
- return it.index, nil, nil, err
+ return it.index, err
}
stats.processed++
// We can assume that logs are empty here, since the only way for consecutive
// Clique blocks to have the same state is if there are no transactions.
- events = append(events, ChainEvent{block, block.Hash(), nil})
lastCanon = block
-
continue
}
// Retrieve the parent block and it's state to execute on top
@@ -1607,25 +1800,24 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
if parent == nil {
parent = bc.GetHeader(block.ParentHash(), block.NumberU64()-1)
}
- statedb, err := state.New(parent.Root, bc.stateCache)
+ statedb, err := state.New(parent.Root, bc.stateCache, bc.snaps)
if err != nil {
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
// If we have a followup block, run that against the current state to pre-cache
// transactions and probabilistically some of the account/storage trie nodes.
var followupInterrupt uint32
-
if !bc.cacheConfig.TrieCleanNoPrefetch {
if followup, err := it.peek(); followup != nil && err == nil {
- go func(start time.Time) {
- throwaway, _ := state.New(parent.Root, bc.stateCache)
+ throwaway, _ := state.New(parent.Root, bc.stateCache, bc.snaps)
+ go func(start time.Time, followup *types.Block, throwaway *state.StateDB, interrupt *uint32) {
bc.prefetcher.Prefetch(followup, throwaway, bc.vmConfig, &followupInterrupt)
blockPrefetchExecuteTimer.Update(time.Since(start))
- if atomic.LoadUint32(&followupInterrupt) == 1 {
+ if atomic.LoadUint32(interrupt) == 1 {
blockPrefetchInterruptMeter.Mark(1)
}
- }(time.Now())
+ }(time.Now(), followup, throwaway, &followupInterrupt)
}
}
// Process block using the parent state as reference point
@@ -1634,17 +1826,19 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
if err != nil {
bc.reportBlock(block, receipts, err)
atomic.StoreUint32(&followupInterrupt, 1)
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
// Update the metrics touched during block processing
- accountReadTimer.Update(statedb.AccountReads) // Account reads are complete, we can mark them
- storageReadTimer.Update(statedb.StorageReads) // Storage reads are complete, we can mark them
- accountUpdateTimer.Update(statedb.AccountUpdates) // Account updates are complete, we can mark them
- storageUpdateTimer.Update(statedb.StorageUpdates) // Storage updates are complete, we can mark them
+ accountReadTimer.Update(statedb.AccountReads) // Account reads are complete, we can mark them
+ storageReadTimer.Update(statedb.StorageReads) // Storage reads are complete, we can mark them
+ accountUpdateTimer.Update(statedb.AccountUpdates) // Account updates are complete, we can mark them
+ storageUpdateTimer.Update(statedb.StorageUpdates) // Storage updates are complete, we can mark them
+ snapshotAccountReadTimer.Update(statedb.SnapshotAccountReads) // Account reads are complete, we can mark them
+ snapshotStorageReadTimer.Update(statedb.SnapshotStorageReads) // Storage reads are complete, we can mark them
triehash := statedb.AccountHashes + statedb.StorageHashes // Save to not double count in validation
- trieproc := statedb.AccountReads + statedb.AccountUpdates
- trieproc += statedb.StorageReads + statedb.StorageUpdates
+ trieproc := statedb.SnapshotAccountReads + statedb.AccountReads + statedb.AccountUpdates
+ trieproc += statedb.SnapshotStorageReads + statedb.StorageReads + statedb.StorageUpdates
blockExecutionTimer.Update(time.Since(substart) - trieproc - triehash)
@@ -1653,7 +1847,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
if err := bc.validator.ValidateState(block, statedb, receipts, usedGas); err != nil {
bc.reportBlock(block, receipts, err)
atomic.StoreUint32(&followupInterrupt, 1)
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
proctime := time.Since(start)
@@ -1665,18 +1859,18 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
// Write the block to the chain and get the status.
substart = time.Now()
- status, err := bc.writeBlockWithState(block, receipts, statedb)
+ status, err := bc.writeBlockWithState(block, receipts, logs, statedb, false)
+ atomic.StoreUint32(&followupInterrupt, 1)
if err != nil {
- atomic.StoreUint32(&followupInterrupt, 1)
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
- atomic.StoreUint32(&followupInterrupt, 1)
// Update the metrics touched during block commit
- accountCommitTimer.Update(statedb.AccountCommits) // Account commits are complete, we can mark them
- storageCommitTimer.Update(statedb.StorageCommits) // Storage commits are complete, we can mark them
+ accountCommitTimer.Update(statedb.AccountCommits) // Account commits are complete, we can mark them
+ storageCommitTimer.Update(statedb.StorageCommits) // Storage commits are complete, we can mark them
+ snapshotCommitTimer.Update(statedb.SnapshotCommits) // Snapshot commits are complete, we can mark them
- blockWriteTimer.Update(time.Since(substart) - statedb.AccountCommits - statedb.StorageCommits)
+ blockWriteTimer.Update(time.Since(substart) - statedb.AccountCommits - statedb.StorageCommits - statedb.SnapshotCommits)
blockInsertTimer.UpdateSince(start)
switch status {
@@ -1686,8 +1880,6 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
"elapsed", common.PrettyDuration(time.Since(start)),
"root", block.Root())
- coalescedLogs = append(coalescedLogs, logs...)
- events = append(events, ChainEvent{block, block.Hash(), logs})
lastCanon = block
// Only count canonical blocks for GC processing time
@@ -1698,7 +1890,6 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
"diff", block.Difficulty(), "elapsed", common.PrettyDuration(time.Since(start)),
"txs", len(block.Transactions()), "gas", block.GasUsed(), "uncles", len(block.Uncles()),
"root", block.Root())
- events = append(events, ChainSideEvent{block})
default:
// This in theory is impossible, but lets be nice to our future selves and leave
@@ -1715,26 +1906,22 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
stats.report(chain, it.index, dirty)
}
// Any blocks remaining here? The only ones we care about are the future ones
- if block != nil && err == consensus.ErrFutureBlock {
+ if block != nil && errors.Is(err, consensus.ErrFutureBlock) {
if err := bc.addFutureBlock(block); err != nil {
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
block, err = it.next()
- for ; block != nil && err == consensus.ErrUnknownAncestor; block, err = it.next() {
+ for ; block != nil && errors.Is(err, consensus.ErrUnknownAncestor); block, err = it.next() {
if err := bc.addFutureBlock(block); err != nil {
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
stats.queued++
}
}
stats.ignored += it.remaining()
- // Append a single chain head event if we've progressed the chain
- if lastCanon != nil && bc.CurrentBlock().Hash() == lastCanon.Hash() {
- events = append(events, ChainHeadEvent{lastCanon})
- }
- return it.index, events, coalescedLogs, err
+ return it.index, err
}
// insertSideChain is called when an import batch hits upon a pruned ancestor
@@ -1743,7 +1930,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals bool) (int, []
//
// The method writes all (header-and-body-valid) blocks to disk, then tries to
// switch over to the new chain if the TD exceeded the current chain.
-func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (int, []interface{}, []*types.Log, error) {
+func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (int, error) {
var (
externTd *big.Int
current = bc.CurrentBlock()
@@ -1753,7 +1940,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
// ones. Any other errors means that the block is invalid, and should not be written
// to disk.
err := consensus.ErrPrunedAncestor
- for ; block != nil && (err == consensus.ErrPrunedAncestor); block, err = it.next() {
+ for ; block != nil && errors.Is(err, consensus.ErrPrunedAncestor); block, err = it.next() {
// Check the canonical state root for that number
if number := block.NumberU64(); current.NumberU64() >= number {
canonical := bc.GetBlockByNumber(number)
@@ -1779,7 +1966,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
// If someone legitimately side-mines blocks, they would still be imported as usual. However,
// we cannot risk writing unverified blocks to disk when they obviously target the pruning
// mechanism.
- return it.index, nil, nil, errors.New("sidechain ghost-state attack")
+ return it.index, errors.New("sidechain ghost-state attack")
}
}
if externTd == nil {
@@ -1790,7 +1977,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
if !bc.HasBlock(block.Hash(), block.NumberU64()) {
start := time.Now()
if err := bc.writeBlockWithoutState(block, externTd); err != nil {
- return it.index, nil, nil, err
+ return it.index, err
}
log.Debug("Injected sidechain block", "number", block.Number(), "hash", block.Hash(),
"diff", block.Difficulty(), "elapsed", common.PrettyDuration(time.Since(start)),
@@ -1807,7 +1994,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
localTd := bc.GetTd(current.Hash(), current.NumberU64())
if bc.manualCanonical || localTd.Cmp(externTd) > 0 {
log.Info("Sidechain written to disk", "start", it.first().NumberU64(), "end", it.previous().Number, "sidetd", externTd, "localtd", localTd)
- return it.index, nil, nil, err
+ return it.index, err
}
// Gather all the sidechain hashes (full blocks may be memory heavy)
var (
@@ -1822,7 +2009,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
parent = bc.GetHeader(parent.ParentHash, parent.Number.Uint64()-1)
}
if parent == nil {
- return it.index, nil, nil, errors.New("missing parent")
+ return it.index, errors.New("missing parent")
}
// Import all the pruned blocks to make the state available
var (
@@ -1841,15 +2028,15 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
// memory here.
if len(blocks) >= 2048 || memory > 64*1024*1024 {
log.Info("Importing heavy sidechain segment", "blocks", len(blocks), "start", blocks[0].NumberU64(), "end", block.NumberU64())
- if _, _, _, err := bc.insertChain(blocks, false); err != nil {
- return 0, nil, nil, err
+ if _, err := bc.insertChain(blocks, false); err != nil {
+ return 0, err
}
blocks, memory = blocks[:0], 0
// If the chain is terminating, stop processing blocks
- if atomic.LoadInt32(&bc.procInterrupt) == 1 {
- log.Debug("Premature abort during blocks processing")
- return 0, nil, nil, nil
+ if bc.insertStopped() {
+ log.Debug("Abort during blocks processing")
+ return 0, nil
}
}
}
@@ -1857,7 +2044,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
log.Info("Importing sidechain segment", "start", blocks[0].NumberU64(), "end", blocks[len(blocks)-1].NumberU64())
return bc.insertChain(blocks, false)
}
- return 0, nil, nil, nil
+ return 0, nil
}
// reorg takes two blocks, an old chain and a new chain and will reconstruct the
@@ -1872,11 +2059,11 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
deletedTxs types.Transactions
addedTxs types.Transactions
- deletedLogs []*types.Log
- rebirthLogs []*types.Log
+ deletedLogs [][]*types.Log
+ rebirthLogs [][]*types.Log
- // collectLogs collects the logs that were generated during the
- // processing of the block that corresponds with the given hash.
+ // collectLogs collects the logs that were generated or removed during
+ // the processing of the block that corresponds with the given hash.
// These logs are later announced as deleted or reborn
collectLogs = func(hash common.Hash, removed bool) {
number := bc.hc.GetBlockNumber(hash)
@@ -1884,17 +2071,39 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
return
}
receipts := rawdb.ReadReceipts(bc.db, hash, *number, bc.chainConfig)
+
+ var logs []*types.Log
for _, receipt := range receipts {
for _, log := range receipt.Logs {
l := *log
if removed {
l.Removed = true
- deletedLogs = append(deletedLogs, &l)
} else {
- rebirthLogs = append(rebirthLogs, &l)
}
+ logs = append(logs, &l)
}
}
+ if len(logs) > 0 {
+ if removed {
+ deletedLogs = append(deletedLogs, logs)
+ } else {
+ rebirthLogs = append(rebirthLogs, logs)
+ }
+ }
+ }
+ // mergeLogs returns a merged log slice with specified sort order.
+ mergeLogs = func(logs [][]*types.Log, reverse bool) []*types.Log {
+ var ret []*types.Log
+ if reverse {
+ for i := len(logs) - 1; i >= 0; i-- {
+ ret = append(ret, logs[i]...)
+ }
+ } else {
+ for i := 0; i < len(logs); i++ {
+ ret = append(ret, logs[i]...)
+ }
+ }
+ return ret
}
)
// Reduce the longer chain to the same number as the shorter one
@@ -1954,6 +2163,7 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
"drop", len(oldChain), "dropfrom", oldChain[0].Hash(), "add", len(newChain), "addfrom", newChain[0].Hash())
blockReorgAddMeter.Mark(int64(len(newChain)))
blockReorgDropMeter.Mark(int64(len(oldChain)))
+ blockReorgMeter.Mark(1)
} else {
log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "newnum", newBlock.Number(), "newhash", newBlock.Hash())
}
@@ -1961,20 +2171,19 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
// taking care of the proper incremental order.
for i := len(newChain) - 1; i >= 1; i-- {
// Insert the block in the canonical way, re-writing history
- bc.insert(newChain[i])
+ bc.writeHeadBlock(newChain[i])
// Collect reborn logs due to chain reorg
collectLogs(newChain[i].Hash(), false)
- // Write lookup entries for hash based transaction/receipt searches
- rawdb.WriteTxLookupEntries(bc.db, newChain[i])
+ // Collect the new added transactions.
addedTxs = append(addedTxs, newChain[i].Transactions()...)
}
- // When transactions get deleted from the database, the receipts that were
- // created in the fork must also be deleted
- batch := bc.db.NewBatch()
+ // Delete useless indexes right now which includes the non-canonical
+ // transaction indexes, canonical chain indexes which above the head.
+ indexesBatch := bc.db.NewBatch()
for _, tx := range types.TxDifference(deletedTxs, addedTxs) {
- rawdb.DeleteTxLookupEntry(batch, tx.Hash())
+ rawdb.DeleteTxLookupEntry(indexesBatch, tx.Hash())
}
// Delete any canonical number assignments above the new head
number := bc.CurrentBlock().NumberU64()
@@ -1983,52 +2192,27 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
if hash == (common.Hash{}) {
break
}
- rawdb.DeleteCanonicalHash(batch, i)
+ rawdb.DeleteCanonicalHash(indexesBatch, i)
+ }
+ if err := indexesBatch.Write(); err != nil {
+ log.Crit("Failed to delete useless indexes", "err", err)
}
- batch.Write()
// If any logs need to be fired, do it now. In theory we could avoid creating
// this goroutine if there are no events to fire, but realistcally that only
// ever happens if we're reorging empty blocks, which will only happen on idle
// networks where performance is not an issue either way.
- //
- // TODO(karalabe): Can we get rid of the goroutine somehow to guarantee correct
- // event ordering?
- go func() {
- if len(deletedLogs) > 0 {
- bc.rmLogsFeed.Send(RemovedLogsEvent{deletedLogs})
- }
- if len(rebirthLogs) > 0 {
- bc.logsFeed.Send(rebirthLogs)
- }
- if len(oldChain) > 0 {
- for _, block := range oldChain {
- bc.chainSideFeed.Send(ChainSideEvent{Block: block})
- }
- }
- }()
- return nil
-}
-
-// PostChainEvents iterates over the events generated by a chain insertion and
-// posts them into the event feed.
-// TODO: Should not expose PostChainEvents. The chain events should be posted in WriteBlock.
-func (bc *BlockChain) PostChainEvents(events []interface{}, logs []*types.Log) {
- // post event logs for further processing
- if logs != nil {
- bc.logsFeed.Send(logs)
+ if len(deletedLogs) > 0 {
+ bc.rmLogsFeed.Send(RemovedLogsEvent{mergeLogs(deletedLogs, true)})
}
- for _, event := range events {
- switch ev := event.(type) {
- case ChainEvent:
- bc.chainFeed.Send(ev)
-
- case ChainHeadEvent:
- bc.chainHeadFeed.Send(ev)
-
- case ChainSideEvent:
- bc.chainSideFeed.Send(ev)
+ if len(rebirthLogs) > 0 {
+ bc.logsFeed.Send(mergeLogs(rebirthLogs, false))
+ }
+ if len(oldChain) > 0 {
+ for i := len(oldChain) - 1; i >= 0; i-- {
+ bc.chainSideFeed.Send(ChainSideEvent{Block: oldChain[i]})
}
}
+ return nil
}
func (bc *BlockChain) update() {
@@ -2044,6 +2228,86 @@ func (bc *BlockChain) update() {
}
}
+// maintainTxIndex is responsible for the construction and deletion of the
+// transaction index.
+//
+// User can use flag `txlookuplimit` to specify a "recentness" block, below
+// which ancient tx indices get deleted. If `txlookuplimit` is 0, it means
+// all tx indices will be reserved.
+//
+// The user can adjust the txlookuplimit value for each launch after fast
+// sync, Geth will automatically construct the missing indices and delete
+// the extra indices.
+func (bc *BlockChain) maintainTxIndex(ancients uint64) {
+ // Before starting the actual maintenance, we need to handle a special case,
+ // where user might init Geth with an external ancient database. If so, we
+ // need to reindex all necessary transactions before starting to process any
+ // pruning requests.
+ if ancients > 0 {
+ var from = uint64(0)
+ if bc.txLookupLimit != 0 && ancients > bc.txLookupLimit {
+ from = ancients - bc.txLookupLimit
+ }
+ rawdb.IndexTransactions(bc.db, from, ancients)
+ }
+ // indexBlocks reindexes or unindexes transactions depending on user configuration
+ indexBlocks := func(tail *uint64, head uint64, done chan struct{}) {
+ defer func() { done <- struct{}{} }()
+
+ // If the user just upgraded Geth to a new version which supports transaction
+ // index pruning, write the new tail and remove anything older.
+ if tail == nil {
+ if bc.txLookupLimit == 0 || head < bc.txLookupLimit {
+ // Nothing to delete, write the tail and return
+ rawdb.WriteTxIndexTail(bc.db, 0)
+ } else {
+ // Prune all stale tx indices and record the tx index tail
+ rawdb.UnindexTransactions(bc.db, 0, head-bc.txLookupLimit+1)
+ }
+ return
+ }
+ // If a previous indexing existed, make sure that we fill in any missing entries
+ if bc.txLookupLimit == 0 || head < bc.txLookupLimit {
+ if *tail > 0 {
+ rawdb.IndexTransactions(bc.db, 0, *tail)
+ }
+ return
+ }
+ // Update the transaction index to the new chain state
+ if head-bc.txLookupLimit+1 < *tail {
+ // Reindex a part of missing indices and rewind index tail to HEAD-limit
+ rawdb.IndexTransactions(bc.db, head-bc.txLookupLimit+1, *tail)
+ } else {
+ // Unindex a part of stale indices and forward index tail to HEAD-limit
+ rawdb.UnindexTransactions(bc.db, *tail, head-bc.txLookupLimit+1)
+ }
+ }
+ // Any reindexing done, start listening to chain events and moving the index window
+ var (
+ done chan struct{} // Non-nil if background unindexing or reindexing routine is active.
+ headCh = make(chan ChainHeadEvent, 1) // Buffered to avoid locking up the event feed
+ )
+ sub := bc.SubscribeChainHeadEvent(headCh)
+ if sub == nil {
+ return
+ }
+ defer sub.Unsubscribe()
+
+ for {
+ select {
+ case head := <-headCh:
+ if done == nil {
+ done = make(chan struct{})
+ go indexBlocks(rawdb.ReadTxIndexTail(bc.db), head.Block.NumberU64(), done)
+ }
+ case <-done:
+ done = nil
+ case <-bc.quit:
+ return
+ }
+ }
+}
+
// BadBlocks returns a list of the last 'bad blocks' that the client has seen on the network
func (bc *BlockChain) BadBlocks() []*types.Block {
blocks := make([]*types.Block, 0, bc.badBlocks.Len())
@@ -2148,6 +2412,11 @@ func (bc *BlockChain) HasHeader(hash common.Hash, number uint64) bool {
return bc.hc.HasHeader(hash, number)
}
+// GetCanonicalHash returns the canonical hash for a given block number
+func (bc *BlockChain) GetCanonicalHash(number uint64) common.Hash {
+ return bc.hc.GetCanonicalHash(number)
+}
+
// GetBlockHashesFromHash retrieves a number of block hashes starting at a given
// hash, fetching towards the genesis block.
func (bc *BlockChain) GetBlockHashesFromHash(hash common.Hash, max uint64) []common.Hash {
@@ -2160,9 +2429,6 @@ func (bc *BlockChain) GetBlockHashesFromHash(hash common.Hash, max uint64) []com
//
// Note: ancestor == 0 returns the same block, 1 returns its parent and so on.
func (bc *BlockChain) GetAncestor(hash common.Hash, number, ancestor uint64, maxNonCanonical *uint64) (common.Hash, uint64) {
- bc.chainmu.RLock()
- defer bc.chainmu.RUnlock()
-
return bc.hc.GetAncestor(hash, number, ancestor, maxNonCanonical)
}
@@ -2226,12 +2492,13 @@ func (bc *BlockChain) SubscribeBlockProcessingEvent(ch chan<- bool) event.Subscr
}
func (bc *BlockChain) ManualHead(hash common.Hash) error {
- block := bc.GetBlockByHash(hash)
- if block == nil {
- return errors.New("block not found")
- }
- bc.chainmu.Lock()
- defer bc.chainmu.Unlock()
- bc.insert(block)
- return nil
+ return bc.FastSyncCommitHead(hash)
+ //block := bc.GetBlockByHash(hash)
+ //if block == nil {
+ // return errors.New("block not found")
+ //}
+ //bc.chainmu.Lock()
+ //defer bc.chainmu.Unlock()
+ //bc.writeHeadBlock(block)
+ //return nil
}
diff --git a/core/blockchain_insert.go b/core/blockchain_insert.go
index 8991a97..d1bc680 100644
--- a/core/blockchain_insert.go
+++ b/core/blockchain_insert.go
@@ -20,9 +20,9 @@ import (
"time"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/mclock"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/mclock"
+ "github.com/ethereum/go-ethereum/log"
)
// insertStats tracks and reports on block insertion.
diff --git a/core/blocks.go b/core/blocks.go
index 7ad99c4..f20ba4a 100644
--- a/core/blocks.go
+++ b/core/blocks.go
@@ -16,7 +16,7 @@
package core
-import "github.com/ava-labs/go-ethereum/common"
+import "github.com/ethereum/go-ethereum/common"
// BadHashes represent a set of manually tracked bad hashes (usually hard forks)
var BadHashes = map[common.Hash]bool{
diff --git a/core/bloombits/matcher.go b/core/bloombits/matcher.go
index fdf296a..927232b 100644
--- a/core/bloombits/matcher.go
+++ b/core/bloombits/matcher.go
@@ -26,8 +26,8 @@ import (
"sync/atomic"
"time"
- "github.com/ava-labs/go-ethereum/common/bitutil"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common/bitutil"
+ "github.com/ethereum/go-ethereum/crypto"
)
// bloomIndexes represents the bit indexes inside the bloom filter that belong
@@ -155,7 +155,6 @@ func (m *Matcher) Start(ctx context.Context, begin, end uint64, results chan uin
session := &MatcherSession{
matcher: m,
quit: make(chan struct{}),
- kill: make(chan struct{}),
ctx: ctx,
}
for _, scheduler := range m.schedulers {
@@ -386,10 +385,8 @@ func (m *Matcher) distributor(dist chan *request, session *MatcherSession) {
requests = make(map[uint][]uint64) // Per-bit list of section requests, ordered by section number
unallocs = make(map[uint]struct{}) // Bits with pending requests but not allocated to any retriever
retrievers chan chan uint // Waiting retrievers (toggled to nil if unallocs is empty)
- )
- var (
- allocs int // Number of active allocations to handle graceful shutdown requests
- shutdown = session.quit // Shutdown request channel, will gracefully wait for pending requests
+ allocs int // Number of active allocations to handle graceful shutdown requests
+ shutdown = session.quit // Shutdown request channel, will gracefully wait for pending requests
)
// assign is a helper method fo try to assign a pending bit an actively
@@ -409,15 +406,12 @@ func (m *Matcher) distributor(dist chan *request, session *MatcherSession) {
for {
select {
case <-shutdown:
- // Graceful shutdown requested, wait until all pending requests are honoured
+ // Shutdown requested. No more retrievers can be allocated,
+ // but we still need to wait until all pending requests have returned.
+ shutdown = nil
if allocs == 0 {
return
}
- shutdown = nil
-
- case <-session.kill:
- // Pending requests not honoured in time, hard terminate
- return
case req := <-dist:
// New retrieval request arrived to be distributed to some fetcher process
@@ -499,8 +493,9 @@ func (m *Matcher) distributor(dist chan *request, session *MatcherSession) {
assign(result.Bit)
}
}
- // If we're in the process of shutting down, terminate
- if allocs == 0 && shutdown == nil {
+
+ // End the session when all pending deliveries have arrived.
+ if shutdown == nil && allocs == 0 {
return
}
}
@@ -514,7 +509,6 @@ type MatcherSession struct {
closer sync.Once // Sync object to ensure we only ever close once
quit chan struct{} // Quit channel to request pipeline termination
- kill chan struct{} // Term channel to signal non-graceful forced shutdown
ctx context.Context // Context used by the light client to abort filtering
err atomic.Value // Global error to track retrieval failures deep in the chain
@@ -529,7 +523,6 @@ func (s *MatcherSession) Close() {
s.closer.Do(func() {
// Signal termination and wait for all goroutines to tear down
close(s.quit)
- time.AfterFunc(time.Second, func() { close(s.kill) })
s.pend.Wait()
})
}
@@ -542,10 +535,10 @@ func (s *MatcherSession) Error() error {
return nil
}
-// AllocateRetrieval assigns a bloom bit index to a client process that can either
+// allocateRetrieval assigns a bloom bit index to a client process that can either
// immediately request and fetch the section contents assigned to this bit or wait
// a little while for more sections to be requested.
-func (s *MatcherSession) AllocateRetrieval() (uint, bool) {
+func (s *MatcherSession) allocateRetrieval() (uint, bool) {
fetcher := make(chan uint)
select {
@@ -557,9 +550,9 @@ func (s *MatcherSession) AllocateRetrieval() (uint, bool) {
}
}
-// PendingSections returns the number of pending section retrievals belonging to
+// pendingSections returns the number of pending section retrievals belonging to
// the given bloom bit index.
-func (s *MatcherSession) PendingSections(bit uint) int {
+func (s *MatcherSession) pendingSections(bit uint) int {
fetcher := make(chan uint)
select {
@@ -571,9 +564,9 @@ func (s *MatcherSession) PendingSections(bit uint) int {
}
}
-// AllocateSections assigns all or part of an already allocated bit-task queue
+// allocateSections assigns all or part of an already allocated bit-task queue
// to the requesting process.
-func (s *MatcherSession) AllocateSections(bit uint, count int) []uint64 {
+func (s *MatcherSession) allocateSections(bit uint, count int) []uint64 {
fetcher := make(chan *Retrieval)
select {
@@ -589,14 +582,10 @@ func (s *MatcherSession) AllocateSections(bit uint, count int) []uint64 {
}
}
-// DeliverSections delivers a batch of section bit-vectors for a specific bloom
+// deliverSections delivers a batch of section bit-vectors for a specific bloom
// bit index to be injected into the processing pipeline.
-func (s *MatcherSession) DeliverSections(bit uint, sections []uint64, bitsets [][]byte) {
- select {
- case <-s.kill:
- return
- case s.matcher.deliveries <- &Retrieval{Bit: bit, Sections: sections, Bitsets: bitsets}:
- }
+func (s *MatcherSession) deliverSections(bit uint, sections []uint64, bitsets [][]byte) {
+ s.matcher.deliveries <- &Retrieval{Bit: bit, Sections: sections, Bitsets: bitsets}
}
// Multiplex polls the matcher session for retrieval tasks and multiplexes it into
@@ -608,17 +597,17 @@ func (s *MatcherSession) DeliverSections(bit uint, sections []uint64, bitsets []
func (s *MatcherSession) Multiplex(batch int, wait time.Duration, mux chan chan *Retrieval) {
for {
// Allocate a new bloom bit index to retrieve data for, stopping when done
- bit, ok := s.AllocateRetrieval()
+ bit, ok := s.allocateRetrieval()
if !ok {
return
}
// Bit allocated, throttle a bit if we're below our batch limit
- if s.PendingSections(bit) < batch {
+ if s.pendingSections(bit) < batch {
select {
case <-s.quit:
// Session terminating, we can't meaningfully service, abort
- s.AllocateSections(bit, 0)
- s.DeliverSections(bit, []uint64{}, [][]byte{})
+ s.allocateSections(bit, 0)
+ s.deliverSections(bit, []uint64{}, [][]byte{})
return
case <-time.After(wait):
@@ -626,13 +615,13 @@ func (s *MatcherSession) Multiplex(batch int, wait time.Duration, mux chan chan
}
}
// Allocate as much as we can handle and request servicing
- sections := s.AllocateSections(bit, batch)
+ sections := s.allocateSections(bit, batch)
request := make(chan *Retrieval)
select {
case <-s.quit:
// Session terminating, we can't meaningfully service, abort
- s.DeliverSections(bit, sections, make([][]byte, len(sections)))
+ s.deliverSections(bit, sections, make([][]byte, len(sections)))
return
case mux <- request:
@@ -644,7 +633,7 @@ func (s *MatcherSession) Multiplex(batch int, wait time.Duration, mux chan chan
s.err.Store(result.Error)
s.Close()
}
- s.DeliverSections(result.Bit, result.Sections, result.Bitsets)
+ s.deliverSections(result.Bit, result.Sections, result.Bitsets)
}
}
}
diff --git a/core/chain_indexer.go b/core/chain_indexer.go
index a221355..54e294a 100644
--- a/core/chain_indexer.go
+++ b/core/chain_indexer.go
@@ -26,10 +26,10 @@ import (
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
)
// ChainIndexerBackend defines the methods needed to process chain segments in
@@ -46,6 +46,9 @@ type ChainIndexerBackend interface {
// Commit finalizes the section metadata and stores it into the database.
Commit() error
+
+ // Prune deletes the chain index older than the given threshold.
+ Prune(threshold uint64) error
}
// ChainIndexerChain interface is used for connecting the indexer to a blockchain
@@ -386,7 +389,6 @@ func (c *ChainIndexer) processSection(section uint64, lastHead common.Hash) (com
c.log.Trace("Processing new chain section", "section", section)
// Reset and partial processing
-
if err := c.backend.Reset(c.ctx, section, lastHead); err != nil {
c.setValidSections(0)
return common.Hash{}, err
@@ -439,6 +441,9 @@ func (c *ChainIndexer) Sections() (uint64, uint64, common.Hash) {
// AddChildIndexer adds a child ChainIndexer that can use the output of this one
func (c *ChainIndexer) AddChildIndexer(indexer *ChainIndexer) {
+ if indexer == c {
+ panic("can't add indexer as a child of itself")
+ }
c.lock.Lock()
defer c.lock.Unlock()
@@ -456,6 +461,11 @@ func (c *ChainIndexer) AddChildIndexer(indexer *ChainIndexer) {
}
}
+// Prune deletes all chain data older than given threshold.
+func (c *ChainIndexer) Prune(threshold uint64) error {
+ return c.backend.Prune(threshold)
+}
+
// loadValidSections reads the number of valid sections from the index database
// and caches is into the local state.
func (c *ChainIndexer) loadValidSections() {
diff --git a/core/error.go b/core/error.go
index cd4be3d..5a28be7 100644
--- a/core/error.go
+++ b/core/error.go
@@ -22,17 +22,45 @@ var (
// ErrKnownBlock is returned when a block to import is already known locally.
ErrKnownBlock = errors.New("block already known")
- // ErrGasLimitReached is returned by the gas pool if the amount of gas required
- // by a transaction is higher than what's left in the block.
- ErrGasLimitReached = errors.New("gas limit reached")
-
// ErrBlacklistedHash is returned if a block to import is on the blacklist.
ErrBlacklistedHash = errors.New("blacklisted hash")
+ // ErrNoGenesis is returned when there is no Genesis Block.
+ ErrNoGenesis = errors.New("genesis not found in chain")
+)
+
+// List of evm-call-message pre-checking errors. All state transition messages will
+// be pre-checked before execution. If any invalidation detected, the corresponding
+// error should be returned which is defined here.
+//
+// - If the pre-checking happens in the miner, then the transaction won't be packed.
+// - If the pre-checking happens in the block processing procedure, then a "BAD BLOCk"
+// error should be emitted.
+var (
+ // ErrNonceTooLow is returned if the nonce of a transaction is lower than the
+ // one present in the local chain.
+ ErrNonceTooLow = errors.New("nonce too low")
+
// ErrNonceTooHigh is returned if the nonce of a transaction is higher than the
// next one expected based on the local chain.
ErrNonceTooHigh = errors.New("nonce too high")
- // ErrNoGenesis is returned when there is no Genesis Block.
- ErrNoGenesis = errors.New("genesis not found in chain")
+ // ErrGasLimitReached is returned by the gas pool if the amount of gas required
+ // by a transaction is higher than what's left in the block.
+ ErrGasLimitReached = errors.New("gas limit reached")
+
+ // ErrInsufficientFundsForTransfer is returned if the transaction sender doesn't
+ // have enough funds for transfer(topmost call only).
+ ErrInsufficientFundsForTransfer = errors.New("insufficient funds for transfer")
+
+ // ErrInsufficientFunds is returned if the total cost of executing a transaction
+ // is higher than the balance of the user's account.
+ ErrInsufficientFunds = errors.New("insufficient funds for gas * price + value")
+
+ // ErrGasUintOverflow is returned when calculating gas usage.
+ ErrGasUintOverflow = errors.New("gas uint64 overflow")
+
+ // ErrIntrinsicGas is returned if the transaction is specified to use less gas
+ // than required to start the invocation.
+ ErrIntrinsicGas = errors.New("intrinsic gas too low")
)
diff --git a/core/events.go b/core/events.go
index f05e69b..28fbc44 100644
--- a/core/events.go
+++ b/core/events.go
@@ -18,7 +18,7 @@ package core
import (
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// NewTxsEvent is posted when a batch of transactions enter the transaction pool.
@@ -27,11 +27,6 @@ type NewTxsEvent struct{ Txs []*types.Transaction }
// NewTxPoolHeadEvent is posted when the pool head is updated.
type NewTxPoolHeadEvent struct{ Block *types.Block }
-// PendingLogsEvent is posted pre mining and notifies of pending logs.
-type PendingLogsEvent struct {
- Logs []*types.Log
-}
-
// NewMinedBlockEvent is posted when a block has been imported.
type NewMinedBlockEvent struct{ Block *types.Block }
diff --git a/core/evm.go b/core/evm.go
index 796b312..74891d7 100644
--- a/core/evm.go
+++ b/core/evm.go
@@ -22,8 +22,8 @@ import (
"github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
)
// ChainContext supports retrieving headers and consensus parameters from the
@@ -63,24 +63,32 @@ func NewEVMContext(msg Message, header *types.Header, chain ChainContext, author
// GetHashFn returns a GetHashFunc which retrieves header hashes by number
func GetHashFn(ref *types.Header, chain ChainContext) func(n uint64) common.Hash {
- var cache map[uint64]common.Hash
+ // Cache will initially contain [refHash.parent],
+ // Then fill up with [refHash.p, refHash.pp, refHash.ppp, ...]
+ var cache []common.Hash
return func(n uint64) common.Hash {
// If there's no hash cache yet, make one
- if cache == nil {
- cache = map[uint64]common.Hash{
- ref.Number.Uint64() - 1: ref.ParentHash,
- }
+ if len(cache) == 0 {
+ cache = append(cache, ref.ParentHash)
}
- // Try to fulfill the request from the cache
- if hash, ok := cache[n]; ok {
- return hash
+ if idx := ref.Number.Uint64() - n - 1; idx < uint64(len(cache)) {
+ return cache[idx]
}
- // Not cached, iterate the blocks and cache the hashes
- for header := chain.GetHeader(ref.ParentHash, ref.Number.Uint64()-1); header != nil; header = chain.GetHeader(header.ParentHash, header.Number.Uint64()-1) {
- cache[header.Number.Uint64()-1] = header.ParentHash
- if n == header.Number.Uint64()-1 {
- return header.ParentHash
+ // No luck in the cache, but we can start iterating from the last element we already know
+ lastKnownHash := cache[len(cache)-1]
+ lastKnownNumber := ref.Number.Uint64() - uint64(len(cache))
+
+ for {
+ header := chain.GetHeader(lastKnownHash, lastKnownNumber)
+ if header == nil {
+ break
+ }
+ cache = append(cache, header.ParentHash)
+ lastKnownHash = header.ParentHash
+ lastKnownNumber = header.Number.Uint64() - 1
+ if n == lastKnownNumber {
+ return lastKnownHash
}
}
return common.Hash{}
diff --git a/core/forkid/forkid.go b/core/forkid/forkid.go
new file mode 100644
index 0000000..1d6563d
--- /dev/null
+++ b/core/forkid/forkid.go
@@ -0,0 +1,258 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package forkid implements EIP-2124 (https://eips.ethereum.org/EIPS/eip-2124).
+package forkid
+
+import (
+ "encoding/binary"
+ "errors"
+ "hash/crc32"
+ "math"
+ "math/big"
+ "reflect"
+ "strings"
+
+ "github.com/ava-labs/coreth/core/types"
+ "github.com/ava-labs/coreth/params"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
+)
+
+var (
+ // ErrRemoteStale is returned by the validator if a remote fork checksum is a
+ // subset of our already applied forks, but the announced next fork block is
+ // not on our already passed chain.
+ ErrRemoteStale = errors.New("remote needs update")
+
+ // ErrLocalIncompatibleOrStale is returned by the validator if a remote fork
+ // checksum does not match any local checksum variation, signalling that the
+ // two chains have diverged in the past at some point (possibly at genesis).
+ ErrLocalIncompatibleOrStale = errors.New("local incompatible or needs update")
+)
+
+// Blockchain defines all necessary method to build a forkID.
+type Blockchain interface {
+ // Config retrieves the chain's fork configuration.
+ Config() *params.ChainConfig
+
+ // Genesis retrieves the chain's genesis block.
+ Genesis() *types.Block
+
+ // CurrentHeader retrieves the current head header of the canonical chain.
+ CurrentHeader() *types.Header
+}
+
+// ID is a fork identifier as defined by EIP-2124.
+type ID struct {
+ Hash [4]byte // CRC32 checksum of the genesis block and passed fork block numbers
+ Next uint64 // Block number of the next upcoming fork, or 0 if no forks are known
+}
+
+// Filter is a fork id filter to validate a remotely advertised ID.
+type Filter func(id ID) error
+
+// NewID calculates the Ethereum fork ID from the chain config and head.
+func NewID(chain Blockchain) ID {
+ return newID(
+ chain.Config(),
+ chain.Genesis().Hash(),
+ chain.CurrentHeader().Number.Uint64(),
+ )
+}
+
+// newID is the internal version of NewID, which takes extracted values as its
+// arguments instead of a chain. The reason is to allow testing the IDs without
+// having to simulate an entire blockchain.
+func newID(config *params.ChainConfig, genesis common.Hash, head uint64) ID {
+ // Calculate the starting checksum from the genesis hash
+ hash := crc32.ChecksumIEEE(genesis[:])
+
+ // Calculate the current fork checksum and the next fork block
+ var next uint64
+ for _, fork := range gatherForks(config) {
+ if fork <= head {
+ // Fork already passed, checksum the previous hash and the fork number
+ hash = checksumUpdate(hash, fork)
+ continue
+ }
+ next = fork
+ break
+ }
+ return ID{Hash: checksumToBytes(hash), Next: next}
+}
+
+// NewFilter creates a filter that returns if a fork ID should be rejected or not
+// based on the local chain's status.
+func NewFilter(chain Blockchain) Filter {
+ return newFilter(
+ chain.Config(),
+ chain.Genesis().Hash(),
+ func() uint64 {
+ return chain.CurrentHeader().Number.Uint64()
+ },
+ )
+}
+
+// NewStaticFilter creates a filter at block zero.
+func NewStaticFilter(config *params.ChainConfig, genesis common.Hash) Filter {
+ head := func() uint64 { return 0 }
+ return newFilter(config, genesis, head)
+}
+
+// newFilter is the internal version of NewFilter, taking closures as its arguments
+// instead of a chain. The reason is to allow testing it without having to simulate
+// an entire blockchain.
+func newFilter(config *params.ChainConfig, genesis common.Hash, headfn func() uint64) Filter {
+ // Calculate the all the valid fork hash and fork next combos
+ var (
+ forks = gatherForks(config)
+ sums = make([][4]byte, len(forks)+1) // 0th is the genesis
+ )
+ hash := crc32.ChecksumIEEE(genesis[:])
+ sums[0] = checksumToBytes(hash)
+ for i, fork := range forks {
+ hash = checksumUpdate(hash, fork)
+ sums[i+1] = checksumToBytes(hash)
+ }
+ // Add two sentries to simplify the fork checks and don't require special
+ // casing the last one.
+ forks = append(forks, math.MaxUint64) // Last fork will never be passed
+
+ // Create a validator that will filter out incompatible chains
+ return func(id ID) error {
+ // Run the fork checksum validation ruleset:
+ // 1. If local and remote FORK_CSUM matches, compare local head to FORK_NEXT.
+ // The two nodes are in the same fork state currently. They might know
+ // of differing future forks, but that's not relevant until the fork
+ // triggers (might be postponed, nodes might be updated to match).
+ // 1a. A remotely announced but remotely not passed block is already passed
+ // locally, disconnect, since the chains are incompatible.
+ // 1b. No remotely announced fork; or not yet passed locally, connect.
+ // 2. If the remote FORK_CSUM is a subset of the local past forks and the
+ // remote FORK_NEXT matches with the locally following fork block number,
+ // connect.
+ // Remote node is currently syncing. It might eventually diverge from
+ // us, but at this current point in time we don't have enough information.
+ // 3. If the remote FORK_CSUM is a superset of the local past forks and can
+ // be completed with locally known future forks, connect.
+ // Local node is currently syncing. It might eventually diverge from
+ // the remote, but at this current point in time we don't have enough
+ // information.
+ // 4. Reject in all other cases.
+ head := headfn()
+ for i, fork := range forks {
+ // If our head is beyond this fork, continue to the next (we have a dummy
+ // fork of maxuint64 as the last item to always fail this check eventually).
+ if head > fork {
+ continue
+ }
+ // Found the first unpassed fork block, check if our current state matches
+ // the remote checksum (rule #1).
+ if sums[i] == id.Hash {
+ // Fork checksum matched, check if a remote future fork block already passed
+ // locally without the local node being aware of it (rule #1a).
+ if id.Next > 0 && head >= id.Next {
+ return ErrLocalIncompatibleOrStale
+ }
+ // Haven't passed locally a remote-only fork, accept the connection (rule #1b).
+ return nil
+ }
+ // The local and remote nodes are in different forks currently, check if the
+ // remote checksum is a subset of our local forks (rule #2).
+ for j := 0; j < i; j++ {
+ if sums[j] == id.Hash {
+ // Remote checksum is a subset, validate based on the announced next fork
+ if forks[j] != id.Next {
+ return ErrRemoteStale
+ }
+ return nil
+ }
+ }
+ // Remote chain is not a subset of our local one, check if it's a superset by
+ // any chance, signalling that we're simply out of sync (rule #3).
+ for j := i + 1; j < len(sums); j++ {
+ if sums[j] == id.Hash {
+ // Yay, remote checksum is a superset, ignore upcoming forks
+ return nil
+ }
+ }
+ // No exact, subset or superset match. We are on differing chains, reject.
+ return ErrLocalIncompatibleOrStale
+ }
+ log.Error("Impossible fork ID validation", "id", id)
+ return nil // Something's very wrong, accept rather than reject
+ }
+}
+
+// checksumUpdate calculates the next IEEE CRC32 checksum based on the previous
+// one and a fork block number (equivalent to CRC32(original-blob || fork)).
+func checksumUpdate(hash uint32, fork uint64) uint32 {
+ var blob [8]byte
+ binary.BigEndian.PutUint64(blob[:], fork)
+ return crc32.Update(hash, crc32.IEEETable, blob[:])
+}
+
+// checksumToBytes converts a uint32 checksum into a [4]byte array.
+func checksumToBytes(hash uint32) [4]byte {
+ var blob [4]byte
+ binary.BigEndian.PutUint32(blob[:], hash)
+ return blob
+}
+
+// gatherForks gathers all the known forks and creates a sorted list out of them.
+func gatherForks(config *params.ChainConfig) []uint64 {
+ // Gather all the fork block numbers via reflection
+ kind := reflect.TypeOf(params.ChainConfig{})
+ conf := reflect.ValueOf(config).Elem()
+
+ var forks []uint64
+ for i := 0; i < kind.NumField(); i++ {
+ // Fetch the next field and skip non-fork rules
+ field := kind.Field(i)
+ if !strings.HasSuffix(field.Name, "Block") {
+ continue
+ }
+ if field.Type != reflect.TypeOf(new(big.Int)) {
+ continue
+ }
+ // Extract the fork rule block number and aggregate it
+ rule := conf.Field(i).Interface().(*big.Int)
+ if rule != nil {
+ forks = append(forks, rule.Uint64())
+ }
+ }
+ // Sort the fork block numbers to permit chronological XOR
+ for i := 0; i < len(forks); i++ {
+ for j := i + 1; j < len(forks); j++ {
+ if forks[i] > forks[j] {
+ forks[i], forks[j] = forks[j], forks[i]
+ }
+ }
+ }
+ // Deduplicate block numbers applying multiple forks
+ for i := 1; i < len(forks); i++ {
+ if forks[i] == forks[i-1] {
+ forks = append(forks[:i], forks[i+1:]...)
+ i--
+ }
+ }
+ // Skip any forks in block 0, that's the genesis ruleset
+ if len(forks) > 0 && forks[0] == 0 {
+ forks = forks[1:]
+ }
+ return forks
+}
diff --git a/core/gen_genesis.go b/core/gen_genesis.go
index 97175f7..b683ace 100644
--- a/core/gen_genesis.go
+++ b/core/gen_genesis.go
@@ -8,9 +8,9 @@ import (
"math/big"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common/math"
)
var _ = (*genesisSpecMarshaling)(nil)
diff --git a/core/gen_genesis_account.go b/core/gen_genesis_account.go
index b90b658..a2f503f 100644
--- a/core/gen_genesis_account.go
+++ b/core/gen_genesis_account.go
@@ -7,9 +7,9 @@ import (
"errors"
"math/big"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common/math"
)
var _ = (*genesisAccountMarshaling)(nil)
diff --git a/core/genesis.go b/core/genesis.go
index 7d21d00..e48f411 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -29,13 +29,14 @@ import (
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
//go:generate gencodec -type Genesis -field-override genesisSpecMarshaling -out gen_genesis.go
@@ -155,10 +156,6 @@ func (e *GenesisMismatchError) Error() string {
//
// The returned chain configuration is never nil.
func SetupGenesisBlock(db ethdb.Database, genesis *Genesis) (*params.ChainConfig, common.Hash, error) {
- return SetupGenesisBlockWithOverride(db, genesis, nil)
-}
-
-func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, overrideIstanbul *big.Int) (*params.ChainConfig, common.Hash, error) {
if genesis != nil && genesis.Config == nil {
return params.AllEthashProtocolChanges, common.Hash{}, errGenesisNoConfig
}
@@ -181,7 +178,7 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, override
// We have the genesis block in database(perhaps in ancient database)
// but the corresponding state is missing.
header := rawdb.ReadHeader(db, stored, 0)
- if _, err := state.New(header.Root, state.NewDatabaseWithCache(db, 0)); err != nil {
+ if _, err := state.New(header.Root, state.NewDatabaseWithCache(db, 0, ""), nil); err != nil {
if genesis == nil {
genesis = DefaultGenesisBlock()
}
@@ -207,8 +204,8 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, genesis *Genesis, override
// Get the existing chain configuration.
newcfg := configOrDefault(genesis, stored)
- if overrideIstanbul != nil {
- newcfg.IstanbulBlock = overrideIstanbul
+ if err := newcfg.CheckConfigForkOrder(); err != nil {
+ return newcfg, common.Hash{}, err
}
storedcfg := rawdb.ReadChainConfig(db, stored)
if storedcfg == nil {
@@ -243,8 +240,14 @@ func configOrDefault(g *Genesis, ghash common.Hash) *params.ChainConfig {
return g.Config
case ghash == params.MainnetGenesisHash:
return params.MainnetChainConfig
- case ghash == params.TestnetGenesisHash:
- return params.TestnetChainConfig
+ case ghash == params.RopstenGenesisHash:
+ return params.RopstenChainConfig
+ case ghash == params.RinkebyGenesisHash:
+ return params.RinkebyChainConfig
+ case ghash == params.GoerliGenesisHash:
+ return params.GoerliChainConfig
+ case ghash == params.YoloV1GenesisHash:
+ return params.YoloV1ChainConfig
default:
return params.AllEthashProtocolChanges
}
@@ -256,7 +259,7 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
if db == nil {
db = rawdb.NewMemoryDatabase()
}
- statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
+ statedb, _ := state.New(common.Hash{}, state.NewDatabase(db), nil)
for addr, account := range g.Alloc {
statedb.AddBalance(addr, account.Balance)
statedb.SetCode(addr, account.Code)
@@ -292,9 +295,9 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
head.Difficulty = params.GenesisDifficulty
}
statedb.Commit(false)
- statedb.Database().TrieDB().Commit(root, true)
+ statedb.Database().TrieDB().Commit(root, true, nil)
- return types.NewBlock(head, nil, nil, nil, nil)
+ return types.NewBlock(head, nil, nil, nil, new(trie.Trie), nil)
}
// Commit writes the block and state of a genesis specification to the database.
@@ -304,6 +307,13 @@ func (g *Genesis) Commit(db ethdb.Database) (*types.Block, error) {
if block.Number().Sign() != 0 {
return nil, fmt.Errorf("can't commit genesis block with number > 0")
}
+ config := g.Config
+ if config == nil {
+ config = params.AllEthashProtocolChanges
+ }
+ if err := config.CheckConfigForkOrder(); err != nil {
+ return nil, err
+ }
rawdb.WriteTd(db, block.Hash(), block.NumberU64(), g.Difficulty)
rawdb.WriteBlock(db, block)
rawdb.WriteReceipts(db, block.Hash(), block.NumberU64(), nil)
@@ -311,11 +321,6 @@ func (g *Genesis) Commit(db ethdb.Database) (*types.Block, error) {
rawdb.WriteHeadBlockHash(db, block.Hash())
rawdb.WriteHeadFastBlockHash(db, block.Hash())
rawdb.WriteHeadHeaderHash(db, block.Hash())
-
- config := g.Config
- if config == nil {
- config = params.AllEthashProtocolChanges
- }
rawdb.WriteChainConfig(db, block.Hash(), config)
return block, nil
}
@@ -348,15 +353,15 @@ func DefaultGenesisBlock() *Genesis {
}
}
-// DefaultTestnetGenesisBlock returns the Ropsten network genesis block.
-func DefaultTestnetGenesisBlock() *Genesis {
+// DefaultRopstenGenesisBlock returns the Ropsten network genesis block.
+func DefaultRopstenGenesisBlock() *Genesis {
return &Genesis{
- Config: params.TestnetChainConfig,
+ Config: params.RopstenChainConfig,
Nonce: 66,
ExtraData: hexutil.MustDecode("0x3535353535353535353535353535353535353535353535353535353535353535"),
GasLimit: 16777216,
Difficulty: big.NewInt(1048576),
- Alloc: decodePrealloc(testnetAllocData),
+ Alloc: decodePrealloc(ropstenAllocData),
}
}
@@ -384,8 +389,18 @@ func DefaultGoerliGenesisBlock() *Genesis {
}
}
-// DeveloperGenesisBlock returns the 'geth --dev' genesis block. Note, this must
-// be seeded with the
+func DefaultYoloV1GenesisBlock() *Genesis {
+ return &Genesis{
+ Config: params.YoloV1ChainConfig,
+ Timestamp: 0x5ed754f1,
+ ExtraData: hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000008a37866fd3627c9205a37c8685666f32ec07bb1b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
+ GasLimit: 0x47b760,
+ Difficulty: big.NewInt(1),
+ Alloc: decodePrealloc(yoloV1AllocData),
+ }
+}
+
+// DeveloperGenesisBlock returns the 'geth --dev' genesis block.
func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {
// Override the default period to the user requested one
config := *params.AllCliqueProtocolChanges
@@ -395,7 +410,7 @@ func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {
return &Genesis{
Config: &config,
ExtraData: append(append(make([]byte, 32), faucet[:]...), make([]byte, crypto.SignatureLength)...),
- GasLimit: 6283185,
+ GasLimit: 11500000,
Difficulty: big.NewInt(1),
Alloc: map[common.Address]GenesisAccount{
common.BytesToAddress([]byte{1}): {Balance: big.NewInt(1)}, // ECRecover
@@ -406,6 +421,7 @@ func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {
common.BytesToAddress([]byte{6}): {Balance: big.NewInt(1)}, // ECAdd
common.BytesToAddress([]byte{7}): {Balance: big.NewInt(1)}, // ECScalarMul
common.BytesToAddress([]byte{8}): {Balance: big.NewInt(1)}, // ECPairing
+ common.BytesToAddress([]byte{9}): {Balance: big.NewInt(1)}, // BLAKE2b
faucet: {Balance: new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(9))},
},
}
diff --git a/core/genesis_alloc.go b/core/genesis_alloc.go
index 81477a6..3e03d16 100644
--- a/core/genesis_alloc.go
+++ b/core/genesis_alloc.go
@@ -22,6 +22,7 @@ package core
// nolint: misspell
const mainnetAllocData = "\xfa\x04]X\u0793\r\x83b\x011\x8e\u0189\x9agT\x06\x908'\x80t2\x80\x89\n\u05ce\xbcZ\xc6 \x00\x00\u0793\x17bC\x0e\xa9\u00e2nWI\xaf\xdbp\xda_x\u077b\x8c\x89\n\u05ce\xbcZ\xc6 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\x00\x00\u07d4\xff\xb0G&\u07e4\x1a\xfd\xc8\x19\x16\x84\x18a\x04r\x97\r{\xfc\x89\xd8\xd7&\xb7\x17z\x80\x00\x00\u07d4\xff\xb3\xbc\xc3\x19j\x8c<\xb84\xce\xc9L4\xfe\xd3[>\x10T\x89H\xa4<T`/p\x00\x00\u07d4\xff\xb9tg3g\xf5\xc0{\xe5\xfd'\r\u0137\x13\x8b\aMW\x89\x85\xeb\u023d\xb9\x06m\x80\x00\u07d4\xff\xb9\xc7!~ft01\xeb7z\xf6\\w\xdbsY\xdc\u0689\x02+\x1c\x8c\x12'\xa0\x00\x00\u07d4\xff\xbc=\xa08\x1e\xc39\xc1\xc0I\xeb\x1e\xd9\xee4\xfd\u03a6\u0289\xd8\xd7&\xb7\x17z\x80\x00\x00\u07d4\xff\xc5\xfcK~\x8a\x02\x93\xff9\xa3\xa0\xf7\xd6\r&F\xd3zt\x89lk\x93[\x8b\xbd@\x00\x00\u07d4\xff\xc9\xcc0\x94\xb0A\xad\x0e\ao\x96\x8a\r\xe3\xb1g%Xf\x89\x17p\xc1e\v\xee\xe8\x00\x00\u07d4\xff\xd5\x17\x0f\u0468\x11\x8dU\x8eu\x11\xe3d\xb2I\x06\xc4\xf6\xb3\x89\x03A\xd8\xcd'\xf1X\x80\x00\xe0\x94\xff\xd6\u0695\x8e\xec\xbc\x01k\xab\x91\x05\x84@\u04dbA\u01fe\x83\x8a\x04<3\xc1\x93ud\x80\x00\x00\u07d4\xff\xe0\xe9\x97\xf1\x97za_Z1Z\xf4\x13\xfdHi4;\xa0\x89\x05l\xd5_\xc6M\xfe\x00\x00\u07d4\xff\u2375<\x90D\xb4\xec\xd4\x05?\u0474\xb1\rpV\u0188\x89\x05k\xc7^-c\x10\x00\x00\u07d4\xff\xe2\xe2\x8c?\xb7GI\xd7\xe7\x80\u070a]B%8\xe6\xe4Q\x89\r\xbb\x81\xe0[\xc1-\x80\x00\u07d4\xff\xe8\xcb\xc1h\x1e^\x9d\xb7J\x0f\x93\xf8\xed%\x89u\x19\x12\x0f\x89Q\xb1\u04c3\x92a\xac\x00\x00\u07d4\xff\xea\xc00^\xde:\x91R\x95\xec\x8ea\xc7\xf8\x81\x00oDt\x89\x05V\xf6L\x1f\xe7\xfa\x00\x00\u07d4\xff\xec\t\x13\xc65\xba\xca/^W\xa3z\xa9\xfb{l\x9bn&\x89+\xa3\x9e\x82\xed]t\x00\x00\xe0\x94\xff\xf3:;\xd3j\xbd\xbdA'\a\xb8\xe3\x10\xd6\x01\x14T\xa7\xae\x8a\x01\xb1\xaeMn.\xf5\x00\x00\x00\u07d4\xff\xf4\xba\u0556c4y\xa2\xa2\x9f\x9a\x8b?x\xee\xfd\a\xe6\xee\x89\x05k\xc7^-c\x10\x00\x00\u07d4\xff\xf7\xac\x99\xc8\xe4\xfe\xb6\f\x97P\x05K\xdc\x14\xce\x18W\xf1\x81\x8965\u026d\xc5\u07a0\x00\x00"
-const testnetAllocData = "\xf9\x03\xa4\u0080\x01\xc2\x01\x01\xc2\x02\x01\xc2\x03\x01\xc2\x04\x01\xc2\x05\x01\xc2\x06\x01\xc2\a\x01\xc2\b\x01\xc2\t\x01\xc2\n\x80\xc2\v\x80\xc2\f\x80\xc2\r\x80\xc2\x0e\x80\xc2\x0f\x80\xc2\x10\x80\xc2\x11\x80\xc2\x12\x80\xc2\x13\x80\xc2\x14\x80\xc2\x15\x80\xc2\x16\x80\xc2\x17\x80\xc2\x18\x80\xc2\x19\x80\xc2\x1a\x80\xc2\x1b\x80\xc2\x1c\x80\xc2\x1d\x80\xc2\x1e\x80\xc2\x1f\x80\xc2 \x80\xc2!\x80\xc2\"\x80\xc2#\x80\xc2$\x80\xc2%\x80\xc2&\x80\xc2'\x80\xc2(\x80\xc2)\x80\xc2*\x80\xc2+\x80\xc2,\x80\xc2-\x80\xc2.\x80\xc2/\x80\xc20\x80\xc21\x80\xc22\x80\xc23\x80\xc24\x80\xc25\x80\xc26\x80\xc27\x80\xc28\x80\xc29\x80\xc2:\x80\xc2;\x80\xc2<\x80\xc2=\x80\xc2>\x80\xc2?\x80\xc2@\x80\xc2A\x80\xc2B\x80\xc2C\x80\xc2D\x80\xc2E\x80\xc2F\x80\xc2G\x80\xc2H\x80\xc2I\x80\xc2J\x80\xc2K\x80\xc2L\x80\xc2M\x80\xc2N\x80\xc2O\x80\xc2P\x80\xc2Q\x80\xc2R\x80\xc2S\x80\xc2T\x80\xc2U\x80\xc2V\x80\xc2W\x80\xc2X\x80\xc2Y\x80\xc2Z\x80\xc2[\x80\xc2\\\x80\xc2]\x80\xc2^\x80\xc2_\x80\xc2`\x80\xc2a\x80\xc2b\x80\xc2c\x80\xc2d\x80\xc2e\x80\xc2f\x80\xc2g\x80\xc2h\x80\xc2i\x80\xc2j\x80\xc2k\x80\xc2l\x80\xc2m\x80\xc2n\x80\xc2o\x80\xc2p\x80\xc2q\x80\xc2r\x80\xc2s\x80\xc2t\x80\xc2u\x80\xc2v\x80\xc2w\x80\xc2x\x80\xc2y\x80\xc2z\x80\xc2{\x80\xc2|\x80\xc2}\x80\xc2~\x80\xc2\u007f\x80\u00c1\x80\x80\u00c1\x81\x80\u00c1\x82\x80\u00c1\x83\x80\u00c1\x84\x80\u00c1\x85\x80\u00c1\x86\x80\u00c1\x87\x80\u00c1\x88\x80\u00c1\x89\x80\u00c1\x8a\x80\u00c1\x8b\x80\u00c1\x8c\x80\u00c1\x8d\x80\u00c1\x8e\x80\u00c1\x8f\x80\u00c1\x90\x80\u00c1\x91\x80\u00c1\x92\x80\u00c1\x93\x80\u00c1\x94\x80\u00c1\x95\x80\u00c1\x96\x80\u00c1\x97\x80\u00c1\x98\x80\u00c1\x99\x80\u00c1\x9a\x80\u00c1\x9b\x80\u00c1\x9c\x80\u00c1\x9d\x80\u00c1\x9e\x80\u00c1\x9f\x80\u00c1\xa0\x80\u00c1\xa1\x80\u00c1\xa2\x80\u00c1\xa3\x80\u00c1\xa4\x80\u00c1\xa5\x80\u00c1\xa6\x80\u00c1\xa7\x80\u00c1\xa8\x80\u00c1\xa9\x80\u00c1\xaa\x80\u00c1\xab\x80\u00c1\xac\x80\u00c1\xad\x80\u00c1\xae\x80\u00c1\xaf\x80\u00c1\xb0\x80\u00c1\xb1\x80\u00c1\xb2\x80\u00c1\xb3\x80\u00c1\xb4\x80\u00c1\xb5\x80\u00c1\xb6\x80\u00c1\xb7\x80\u00c1\xb8\x80\u00c1\xb9\x80\u00c1\xba\x80\u00c1\xbb\x80\u00c1\xbc\x80\u00c1\xbd\x80\u00c1\xbe\x80\u00c1\xbf\x80\u00c1\xc0\x80\u00c1\xc1\x80\u00c1\u0080\u00c1\u00c0\u00c1\u0100\u00c1\u0140\u00c1\u0180\u00c1\u01c0\u00c1\u0200\u00c1\u0240\u00c1\u0280\u00c1\u02c0\u00c1\u0300\u00c1\u0340\u00c1\u0380\u00c1\u03c0\u00c1\u0400\u00c1\u0440\u00c1\u0480\u00c1\u04c0\u00c1\u0500\u00c1\u0540\u00c1\u0580\u00c1\u05c0\u00c1\u0600\u00c1\u0640\u00c1\u0680\u00c1\u06c0\u00c1\u0700\u00c1\u0740\u00c1\u0780\u00c1\u07c0\u00c1\xe0\x80\u00c1\xe1\x80\u00c1\xe2\x80\u00c1\xe3\x80\u00c1\xe4\x80\u00c1\xe5\x80\u00c1\xe6\x80\u00c1\xe7\x80\u00c1\xe8\x80\u00c1\xe9\x80\u00c1\xea\x80\u00c1\xeb\x80\u00c1\xec\x80\u00c1\xed\x80\u00c1\xee\x80\u00c1\xef\x80\u00c1\xf0\x80\u00c1\xf1\x80\u00c1\xf2\x80\u00c1\xf3\x80\u00c1\xf4\x80\u00c1\xf5\x80\u00c1\xf6\x80\u00c1\xf7\x80\u00c1\xf8\x80\u00c1\xf9\x80\u00c1\xfa\x80\u00c1\xfb\x80\u00c1\xfc\x80\u00c1\xfd\x80\u00c1\xfe\x80\u00c1\xff\x80\u3507KT\xa8\xbd\x15)f\xd6?pk\xae\x1f\xfe\xb0A\x19!\xe5\x8d\f\x9f,\x9c\xd0Ft\xed\xea@\x00\x00\x00"
+const ropstenAllocData = "\xf9\x03\xa4\u0080\x01\xc2\x01\x01\xc2\x02\x01\xc2\x03\x01\xc2\x04\x01\xc2\x05\x01\xc2\x06\x01\xc2\a\x01\xc2\b\x01\xc2\t\x01\xc2\n\x80\xc2\v\x80\xc2\f\x80\xc2\r\x80\xc2\x0e\x80\xc2\x0f\x80\xc2\x10\x80\xc2\x11\x80\xc2\x12\x80\xc2\x13\x80\xc2\x14\x80\xc2\x15\x80\xc2\x16\x80\xc2\x17\x80\xc2\x18\x80\xc2\x19\x80\xc2\x1a\x80\xc2\x1b\x80\xc2\x1c\x80\xc2\x1d\x80\xc2\x1e\x80\xc2\x1f\x80\xc2 \x80\xc2!\x80\xc2\"\x80\xc2#\x80\xc2$\x80\xc2%\x80\xc2&\x80\xc2'\x80\xc2(\x80\xc2)\x80\xc2*\x80\xc2+\x80\xc2,\x80\xc2-\x80\xc2.\x80\xc2/\x80\xc20\x80\xc21\x80\xc22\x80\xc23\x80\xc24\x80\xc25\x80\xc26\x80\xc27\x80\xc28\x80\xc29\x80\xc2:\x80\xc2;\x80\xc2<\x80\xc2=\x80\xc2>\x80\xc2?\x80\xc2@\x80\xc2A\x80\xc2B\x80\xc2C\x80\xc2D\x80\xc2E\x80\xc2F\x80\xc2G\x80\xc2H\x80\xc2I\x80\xc2J\x80\xc2K\x80\xc2L\x80\xc2M\x80\xc2N\x80\xc2O\x80\xc2P\x80\xc2Q\x80\xc2R\x80\xc2S\x80\xc2T\x80\xc2U\x80\xc2V\x80\xc2W\x80\xc2X\x80\xc2Y\x80\xc2Z\x80\xc2[\x80\xc2\\\x80\xc2]\x80\xc2^\x80\xc2_\x80\xc2`\x80\xc2a\x80\xc2b\x80\xc2c\x80\xc2d\x80\xc2e\x80\xc2f\x80\xc2g\x80\xc2h\x80\xc2i\x80\xc2j\x80\xc2k\x80\xc2l\x80\xc2m\x80\xc2n\x80\xc2o\x80\xc2p\x80\xc2q\x80\xc2r\x80\xc2s\x80\xc2t\x80\xc2u\x80\xc2v\x80\xc2w\x80\xc2x\x80\xc2y\x80\xc2z\x80\xc2{\x80\xc2|\x80\xc2}\x80\xc2~\x80\xc2\u007f\x80\u00c1\x80\x80\u00c1\x81\x80\u00c1\x82\x80\u00c1\x83\x80\u00c1\x84\x80\u00c1\x85\x80\u00c1\x86\x80\u00c1\x87\x80\u00c1\x88\x80\u00c1\x89\x80\u00c1\x8a\x80\u00c1\x8b\x80\u00c1\x8c\x80\u00c1\x8d\x80\u00c1\x8e\x80\u00c1\x8f\x80\u00c1\x90\x80\u00c1\x91\x80\u00c1\x92\x80\u00c1\x93\x80\u00c1\x94\x80\u00c1\x95\x80\u00c1\x96\x80\u00c1\x97\x80\u00c1\x98\x80\u00c1\x99\x80\u00c1\x9a\x80\u00c1\x9b\x80\u00c1\x9c\x80\u00c1\x9d\x80\u00c1\x9e\x80\u00c1\x9f\x80\u00c1\xa0\x80\u00c1\xa1\x80\u00c1\xa2\x80\u00c1\xa3\x80\u00c1\xa4\x80\u00c1\xa5\x80\u00c1\xa6\x80\u00c1\xa7\x80\u00c1\xa8\x80\u00c1\xa9\x80\u00c1\xaa\x80\u00c1\xab\x80\u00c1\xac\x80\u00c1\xad\x80\u00c1\xae\x80\u00c1\xaf\x80\u00c1\xb0\x80\u00c1\xb1\x80\u00c1\xb2\x80\u00c1\xb3\x80\u00c1\xb4\x80\u00c1\xb5\x80\u00c1\xb6\x80\u00c1\xb7\x80\u00c1\xb8\x80\u00c1\xb9\x80\u00c1\xba\x80\u00c1\xbb\x80\u00c1\xbc\x80\u00c1\xbd\x80\u00c1\xbe\x80\u00c1\xbf\x80\u00c1\xc0\x80\u00c1\xc1\x80\u00c1\u0080\u00c1\u00c0\u00c1\u0100\u00c1\u0140\u00c1\u0180\u00c1\u01c0\u00c1\u0200\u00c1\u0240\u00c1\u0280\u00c1\u02c0\u00c1\u0300\u00c1\u0340\u00c1\u0380\u00c1\u03c0\u00c1\u0400\u00c1\u0440\u00c1\u0480\u00c1\u04c0\u00c1\u0500\u00c1\u0540\u00c1\u0580\u00c1\u05c0\u00c1\u0600\u00c1\u0640\u00c1\u0680\u00c1\u06c0\u00c1\u0700\u00c1\u0740\u00c1\u0780\u00c1\u07c0\u00c1\xe0\x80\u00c1\xe1\x80\u00c1\xe2\x80\u00c1\xe3\x80\u00c1\xe4\x80\u00c1\xe5\x80\u00c1\xe6\x80\u00c1\xe7\x80\u00c1\xe8\x80\u00c1\xe9\x80\u00c1\xea\x80\u00c1\xeb\x80\u00c1\xec\x80\u00c1\xed\x80\u00c1\xee\x80\u00c1\xef\x80\u00c1\xf0\x80\u00c1\xf1\x80\u00c1\xf2\x80\u00c1\xf3\x80\u00c1\xf4\x80\u00c1\xf5\x80\u00c1\xf6\x80\u00c1\xf7\x80\u00c1\xf8\x80\u00c1\xf9\x80\u00c1\xfa\x80\u00c1\xfb\x80\u00c1\xfc\x80\u00c1\xfd\x80\u00c1\xfe\x80\u00c1\xff\x80\u3507KT\xa8\xbd\x15)f\xd6?pk\xae\x1f\xfe\xb0A\x19!\xe5\x8d\f\x9f,\x9c\xd0Ft\xed\xea@\x00\x00\x00"
const rinkebyAllocData = "\xf9\x03\xb7\u0080\x01\xc2\x01\x01\xc2\x02\x01\xc2\x03\x01\xc2\x04\x01\xc2\x05\x01\xc2\x06\x01\xc2\a\x01\xc2\b\x01\xc2\t\x01\xc2\n\x01\xc2\v\x01\xc2\f\x01\xc2\r\x01\xc2\x0e\x01\xc2\x0f\x01\xc2\x10\x01\xc2\x11\x01\xc2\x12\x01\xc2\x13\x01\xc2\x14\x01\xc2\x15\x01\xc2\x16\x01\xc2\x17\x01\xc2\x18\x01\xc2\x19\x01\xc2\x1a\x01\xc2\x1b\x01\xc2\x1c\x01\xc2\x1d\x01\xc2\x1e\x01\xc2\x1f\x01\xc2 \x01\xc2!\x01\xc2\"\x01\xc2#\x01\xc2$\x01\xc2%\x01\xc2&\x01\xc2'\x01\xc2(\x01\xc2)\x01\xc2*\x01\xc2+\x01\xc2,\x01\xc2-\x01\xc2.\x01\xc2/\x01\xc20\x01\xc21\x01\xc22\x01\xc23\x01\xc24\x01\xc25\x01\xc26\x01\xc27\x01\xc28\x01\xc29\x01\xc2:\x01\xc2;\x01\xc2<\x01\xc2=\x01\xc2>\x01\xc2?\x01\xc2@\x01\xc2A\x01\xc2B\x01\xc2C\x01\xc2D\x01\xc2E\x01\xc2F\x01\xc2G\x01\xc2H\x01\xc2I\x01\xc2J\x01\xc2K\x01\xc2L\x01\xc2M\x01\xc2N\x01\xc2O\x01\xc2P\x01\xc2Q\x01\xc2R\x01\xc2S\x01\xc2T\x01\xc2U\x01\xc2V\x01\xc2W\x01\xc2X\x01\xc2Y\x01\xc2Z\x01\xc2[\x01\xc2\\\x01\xc2]\x01\xc2^\x01\xc2_\x01\xc2`\x01\xc2a\x01\xc2b\x01\xc2c\x01\xc2d\x01\xc2e\x01\xc2f\x01\xc2g\x01\xc2h\x01\xc2i\x01\xc2j\x01\xc2k\x01\xc2l\x01\xc2m\x01\xc2n\x01\xc2o\x01\xc2p\x01\xc2q\x01\xc2r\x01\xc2s\x01\xc2t\x01\xc2u\x01\xc2v\x01\xc2w\x01\xc2x\x01\xc2y\x01\xc2z\x01\xc2{\x01\xc2|\x01\xc2}\x01\xc2~\x01\xc2\u007f\x01\u00c1\x80\x01\u00c1\x81\x01\u00c1\x82\x01\u00c1\x83\x01\u00c1\x84\x01\u00c1\x85\x01\u00c1\x86\x01\u00c1\x87\x01\u00c1\x88\x01\u00c1\x89\x01\u00c1\x8a\x01\u00c1\x8b\x01\u00c1\x8c\x01\u00c1\x8d\x01\u00c1\x8e\x01\u00c1\x8f\x01\u00c1\x90\x01\u00c1\x91\x01\u00c1\x92\x01\u00c1\x93\x01\u00c1\x94\x01\u00c1\x95\x01\u00c1\x96\x01\u00c1\x97\x01\u00c1\x98\x01\u00c1\x99\x01\u00c1\x9a\x01\u00c1\x9b\x01\u00c1\x9c\x01\u00c1\x9d\x01\u00c1\x9e\x01\u00c1\x9f\x01\u00c1\xa0\x01\u00c1\xa1\x01\u00c1\xa2\x01\u00c1\xa3\x01\u00c1\xa4\x01\u00c1\xa5\x01\u00c1\xa6\x01\u00c1\xa7\x01\u00c1\xa8\x01\u00c1\xa9\x01\u00c1\xaa\x01\u00c1\xab\x01\u00c1\xac\x01\u00c1\xad\x01\u00c1\xae\x01\u00c1\xaf\x01\u00c1\xb0\x01\u00c1\xb1\x01\u00c1\xb2\x01\u00c1\xb3\x01\u00c1\xb4\x01\u00c1\xb5\x01\u00c1\xb6\x01\u00c1\xb7\x01\u00c1\xb8\x01\u00c1\xb9\x01\u00c1\xba\x01\u00c1\xbb\x01\u00c1\xbc\x01\u00c1\xbd\x01\u00c1\xbe\x01\u00c1\xbf\x01\u00c1\xc0\x01\u00c1\xc1\x01\u00c1\xc2\x01\u00c1\xc3\x01\u00c1\xc4\x01\u00c1\xc5\x01\u00c1\xc6\x01\u00c1\xc7\x01\u00c1\xc8\x01\u00c1\xc9\x01\u00c1\xca\x01\u00c1\xcb\x01\u00c1\xcc\x01\u00c1\xcd\x01\u00c1\xce\x01\u00c1\xcf\x01\u00c1\xd0\x01\u00c1\xd1\x01\u00c1\xd2\x01\u00c1\xd3\x01\u00c1\xd4\x01\u00c1\xd5\x01\u00c1\xd6\x01\u00c1\xd7\x01\u00c1\xd8\x01\u00c1\xd9\x01\u00c1\xda\x01\u00c1\xdb\x01\u00c1\xdc\x01\u00c1\xdd\x01\u00c1\xde\x01\u00c1\xdf\x01\u00c1\xe0\x01\u00c1\xe1\x01\u00c1\xe2\x01\u00c1\xe3\x01\u00c1\xe4\x01\u00c1\xe5\x01\u00c1\xe6\x01\u00c1\xe7\x01\u00c1\xe8\x01\u00c1\xe9\x01\u00c1\xea\x01\u00c1\xeb\x01\u00c1\xec\x01\u00c1\xed\x01\u00c1\xee\x01\u00c1\xef\x01\u00c1\xf0\x01\u00c1\xf1\x01\u00c1\xf2\x01\u00c1\xf3\x01\u00c1\xf4\x01\u00c1\xf5\x01\u00c1\xf6\x01\u00c1\xf7\x01\u00c1\xf8\x01\u00c1\xf9\x01\u00c1\xfa\x01\u00c1\xfb\x01\u00c1\xfc\x01\u00c1\xfd\x01\u00c1\xfe\x01\u00c1\xff\x01\xf6\x941\xb9\x8d\x14\x00{\xde\xe67)\x80\x86\x98\x8a\v\xbd1\x18E#\xa0\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
const goerliAllocData = "\xf9\x04\x06\u0080\x01\xc2\x01\x01\xc2\x02\x01\xc2\x03\x01\xc2\x04\x01\xc2\x05\x01\xc2\x06\x01\xc2\a\x01\xc2\b\x01\xc2\t\x01\xc2\n\x01\xc2\v\x01\xc2\f\x01\xc2\r\x01\xc2\x0e\x01\xc2\x0f\x01\xc2\x10\x01\xc2\x11\x01\xc2\x12\x01\xc2\x13\x01\xc2\x14\x01\xc2\x15\x01\xc2\x16\x01\xc2\x17\x01\xc2\x18\x01\xc2\x19\x01\xc2\x1a\x01\xc2\x1b\x01\xc2\x1c\x01\xc2\x1d\x01\xc2\x1e\x01\xc2\x1f\x01\xc2 \x01\xc2!\x01\xc2\"\x01\xc2#\x01\xc2$\x01\xc2%\x01\xc2&\x01\xc2'\x01\xc2(\x01\xc2)\x01\xc2*\x01\xc2+\x01\xc2,\x01\xc2-\x01\xc2.\x01\xc2/\x01\xc20\x01\xc21\x01\xc22\x01\xc23\x01\xc24\x01\xc25\x01\xc26\x01\xc27\x01\xc28\x01\xc29\x01\xc2:\x01\xc2;\x01\xc2<\x01\xc2=\x01\xc2>\x01\xc2?\x01\xc2@\x01\xc2A\x01\xc2B\x01\xc2C\x01\xc2D\x01\xc2E\x01\xc2F\x01\xc2G\x01\xc2H\x01\xc2I\x01\xc2J\x01\xc2K\x01\xc2L\x01\xc2M\x01\xc2N\x01\xc2O\x01\xc2P\x01\xc2Q\x01\xc2R\x01\xc2S\x01\xc2T\x01\xc2U\x01\xc2V\x01\xc2W\x01\xc2X\x01\xc2Y\x01\xc2Z\x01\xc2[\x01\xc2\\\x01\xc2]\x01\xc2^\x01\xc2_\x01\xc2`\x01\xc2a\x01\xc2b\x01\xc2c\x01\xc2d\x01\xc2e\x01\xc2f\x01\xc2g\x01\xc2h\x01\xc2i\x01\xc2j\x01\xc2k\x01\xc2l\x01\xc2m\x01\xc2n\x01\xc2o\x01\xc2p\x01\xc2q\x01\xc2r\x01\xc2s\x01\xc2t\x01\xc2u\x01\xc2v\x01\xc2w\x01\xc2x\x01\xc2y\x01\xc2z\x01\xc2{\x01\xc2|\x01\xc2}\x01\xc2~\x01\xc2\u007f\x01\u00c1\x80\x01\u00c1\x81\x01\u00c1\x82\x01\u00c1\x83\x01\u00c1\x84\x01\u00c1\x85\x01\u00c1\x86\x01\u00c1\x87\x01\u00c1\x88\x01\u00c1\x89\x01\u00c1\x8a\x01\u00c1\x8b\x01\u00c1\x8c\x01\u00c1\x8d\x01\u00c1\x8e\x01\u00c1\x8f\x01\u00c1\x90\x01\u00c1\x91\x01\u00c1\x92\x01\u00c1\x93\x01\u00c1\x94\x01\u00c1\x95\x01\u00c1\x96\x01\u00c1\x97\x01\u00c1\x98\x01\u00c1\x99\x01\u00c1\x9a\x01\u00c1\x9b\x01\u00c1\x9c\x01\u00c1\x9d\x01\u00c1\x9e\x01\u00c1\x9f\x01\u00c1\xa0\x01\u00c1\xa1\x01\u00c1\xa2\x01\u00c1\xa3\x01\u00c1\xa4\x01\u00c1\xa5\x01\u00c1\xa6\x01\u00c1\xa7\x01\u00c1\xa8\x01\u00c1\xa9\x01\u00c1\xaa\x01\u00c1\xab\x01\u00c1\xac\x01\u00c1\xad\x01\u00c1\xae\x01\u00c1\xaf\x01\u00c1\xb0\x01\u00c1\xb1\x01\u00c1\xb2\x01\u00c1\xb3\x01\u00c1\xb4\x01\u00c1\xb5\x01\u00c1\xb6\x01\u00c1\xb7\x01\u00c1\xb8\x01\u00c1\xb9\x01\u00c1\xba\x01\u00c1\xbb\x01\u00c1\xbc\x01\u00c1\xbd\x01\u00c1\xbe\x01\u00c1\xbf\x01\u00c1\xc0\x01\u00c1\xc1\x01\u00c1\xc2\x01\u00c1\xc3\x01\u00c1\xc4\x01\u00c1\xc5\x01\u00c1\xc6\x01\u00c1\xc7\x01\u00c1\xc8\x01\u00c1\xc9\x01\u00c1\xca\x01\u00c1\xcb\x01\u00c1\xcc\x01\u00c1\xcd\x01\u00c1\xce\x01\u00c1\xcf\x01\u00c1\xd0\x01\u00c1\xd1\x01\u00c1\xd2\x01\u00c1\xd3\x01\u00c1\xd4\x01\u00c1\xd5\x01\u00c1\xd6\x01\u00c1\xd7\x01\u00c1\xd8\x01\u00c1\xd9\x01\u00c1\xda\x01\u00c1\xdb\x01\u00c1\xdc\x01\u00c1\xdd\x01\u00c1\xde\x01\u00c1\xdf\x01\u00c1\xe0\x01\u00c1\xe1\x01\u00c1\xe2\x01\u00c1\xe3\x01\u00c1\xe4\x01\u00c1\xe5\x01\u00c1\xe6\x01\u00c1\xe7\x01\u00c1\xe8\x01\u00c1\xe9\x01\u00c1\xea\x01\u00c1\xeb\x01\u00c1\xec\x01\u00c1\xed\x01\u00c1\xee\x01\u00c1\xef\x01\u00c1\xf0\x01\u00c1\xf1\x01\u00c1\xf2\x01\u00c1\xf3\x01\u00c1\xf4\x01\u00c1\xf5\x01\u00c1\xf6\x01\u00c1\xf7\x01\u00c1\xf8\x01\u00c1\xf9\x01\u00c1\xfa\x01\u00c1\xfb\x01\u00c1\xfc\x01\u00c1\xfd\x01\u00c1\xfe\x01\u00c1\xff\x01\xe0\x94L*\xe4\x82Y5\x05\xf0\x16<\xde\xfc\a>\x81\xc6<\xdaA\a\x8a\x15-\x02\xc7\xe1J\xf6\x80\x00\x00\xe0\x94\xa8\xe8\xf1G2e\x8eKQ\xe8q\x191\x05:\x8ai\xba\xf2\xb1\x8a\x15-\x02\xc7\xe1J\xf6\x80\x00\x00\xe1\x94\u0665\x17\x9f\t\x1d\x85\x05\x1d<\x98'\x85\xef\xd1E\\\uc199\x8b\bE\x95\x16\x14\x01HJ\x00\x00\x00\xe1\x94\u08bdBX\xd2v\x887\xba\xa2j(\xfeq\xdc\a\x9f\x84\u01cbJG\xe3\xc1$H\xf4\xad\x00\x00\x00"
+const yoloV1AllocData = "\xf9\x03\xb7\u0080\x01\xc2\x01\x01\xc2\x02\x01\xc2\x03\x01\xc2\x04\x01\xc2\x05\x01\xc2\x06\x01\xc2\a\x01\xc2\b\x01\xc2\t\x01\xc2\n\x01\xc2\v\x01\xc2\f\x01\xc2\r\x01\xc2\x0e\x01\xc2\x0f\x01\xc2\x10\x01\xc2\x11\x01\xc2\x12\x01\xc2\x13\x01\xc2\x14\x01\xc2\x15\x01\xc2\x16\x01\xc2\x17\x01\xc2\x18\x01\xc2\x19\x01\xc2\x1a\x01\xc2\x1b\x01\xc2\x1c\x01\xc2\x1d\x01\xc2\x1e\x01\xc2\x1f\x01\xc2 \x01\xc2!\x01\xc2\"\x01\xc2#\x01\xc2$\x01\xc2%\x01\xc2&\x01\xc2'\x01\xc2(\x01\xc2)\x01\xc2*\x01\xc2+\x01\xc2,\x01\xc2-\x01\xc2.\x01\xc2/\x01\xc20\x01\xc21\x01\xc22\x01\xc23\x01\xc24\x01\xc25\x01\xc26\x01\xc27\x01\xc28\x01\xc29\x01\xc2:\x01\xc2;\x01\xc2<\x01\xc2=\x01\xc2>\x01\xc2?\x01\xc2@\x01\xc2A\x01\xc2B\x01\xc2C\x01\xc2D\x01\xc2E\x01\xc2F\x01\xc2G\x01\xc2H\x01\xc2I\x01\xc2J\x01\xc2K\x01\xc2L\x01\xc2M\x01\xc2N\x01\xc2O\x01\xc2P\x01\xc2Q\x01\xc2R\x01\xc2S\x01\xc2T\x01\xc2U\x01\xc2V\x01\xc2W\x01\xc2X\x01\xc2Y\x01\xc2Z\x01\xc2[\x01\xc2\\\x01\xc2]\x01\xc2^\x01\xc2_\x01\xc2`\x01\xc2a\x01\xc2b\x01\xc2c\x01\xc2d\x01\xc2e\x01\xc2f\x01\xc2g\x01\xc2h\x01\xc2i\x01\xc2j\x01\xc2k\x01\xc2l\x01\xc2m\x01\xc2n\x01\xc2o\x01\xc2p\x01\xc2q\x01\xc2r\x01\xc2s\x01\xc2t\x01\xc2u\x01\xc2v\x01\xc2w\x01\xc2x\x01\xc2y\x01\xc2z\x01\xc2{\x01\xc2|\x01\xc2}\x01\xc2~\x01\xc2\u007f\x01\u00c1\x80\x01\u00c1\x81\x01\u00c1\x82\x01\u00c1\x83\x01\u00c1\x84\x01\u00c1\x85\x01\u00c1\x86\x01\u00c1\x87\x01\u00c1\x88\x01\u00c1\x89\x01\u00c1\x8a\x01\u00c1\x8b\x01\u00c1\x8c\x01\u00c1\x8d\x01\u00c1\x8e\x01\u00c1\x8f\x01\u00c1\x90\x01\u00c1\x91\x01\u00c1\x92\x01\u00c1\x93\x01\u00c1\x94\x01\u00c1\x95\x01\u00c1\x96\x01\u00c1\x97\x01\u00c1\x98\x01\u00c1\x99\x01\u00c1\x9a\x01\u00c1\x9b\x01\u00c1\x9c\x01\u00c1\x9d\x01\u00c1\x9e\x01\u00c1\x9f\x01\u00c1\xa0\x01\u00c1\xa1\x01\u00c1\xa2\x01\u00c1\xa3\x01\u00c1\xa4\x01\u00c1\xa5\x01\u00c1\xa6\x01\u00c1\xa7\x01\u00c1\xa8\x01\u00c1\xa9\x01\u00c1\xaa\x01\u00c1\xab\x01\u00c1\xac\x01\u00c1\xad\x01\u00c1\xae\x01\u00c1\xaf\x01\u00c1\xb0\x01\u00c1\xb1\x01\u00c1\xb2\x01\u00c1\xb3\x01\u00c1\xb4\x01\u00c1\xb5\x01\u00c1\xb6\x01\u00c1\xb7\x01\u00c1\xb8\x01\u00c1\xb9\x01\u00c1\xba\x01\u00c1\xbb\x01\u00c1\xbc\x01\u00c1\xbd\x01\u00c1\xbe\x01\u00c1\xbf\x01\u00c1\xc0\x01\u00c1\xc1\x01\u00c1\xc2\x01\u00c1\xc3\x01\u00c1\xc4\x01\u00c1\xc5\x01\u00c1\xc6\x01\u00c1\xc7\x01\u00c1\xc8\x01\u00c1\xc9\x01\u00c1\xca\x01\u00c1\xcb\x01\u00c1\xcc\x01\u00c1\xcd\x01\u00c1\xce\x01\u00c1\xcf\x01\u00c1\xd0\x01\u00c1\xd1\x01\u00c1\xd2\x01\u00c1\xd3\x01\u00c1\xd4\x01\u00c1\xd5\x01\u00c1\xd6\x01\u00c1\xd7\x01\u00c1\xd8\x01\u00c1\xd9\x01\u00c1\xda\x01\u00c1\xdb\x01\u00c1\xdc\x01\u00c1\xdd\x01\u00c1\xde\x01\u00c1\xdf\x01\u00c1\xe0\x01\u00c1\xe1\x01\u00c1\xe2\x01\u00c1\xe3\x01\u00c1\xe4\x01\u00c1\xe5\x01\u00c1\xe6\x01\u00c1\xe7\x01\u00c1\xe8\x01\u00c1\xe9\x01\u00c1\xea\x01\u00c1\xeb\x01\u00c1\xec\x01\u00c1\xed\x01\u00c1\xee\x01\u00c1\xef\x01\u00c1\xf0\x01\u00c1\xf1\x01\u00c1\xf2\x01\u00c1\xf3\x01\u00c1\xf4\x01\u00c1\xf5\x01\u00c1\xf6\x01\u00c1\xf7\x01\u00c1\xf8\x01\u00c1\xf9\x01\u00c1\xfa\x01\u00c1\xfb\x01\u00c1\xfc\x01\u00c1\xfd\x01\u00c1\xfe\x01\u00c1\xff\x01\xf6\x94\x8a7\x86o\xd3b|\x92\x05\xa3|\x86\x85fo2\xec\a\xbb\x1b\xa0\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
diff --git a/core/headerchain.go b/core/headerchain.go
index d956226..20f6bd3 100644
--- a/core/headerchain.go
+++ b/core/headerchain.go
@@ -30,9 +30,9 @@ import (
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
lru "github.com/hashicorp/golang-lru"
)
@@ -45,6 +45,14 @@ const (
// HeaderChain implements the basic block header chain logic that is shared by
// core.BlockChain and light.LightChain. It is not usable in itself, only as
// a part of either structure.
+//
+// HeaderChain is responsible for maintaining the header chain including the
+// header query and updating.
+//
+// The components maintained by headerchain includes: (1) total difficult
+// (2) header (3) block hash -> number mapping (4) canonical number -> hash mapping
+// and (5) head header flag.
+//
// It is not thread safe either, the encapsulating chain structures should do
// the necessary mutex locking/unlocking.
type HeaderChain struct {
@@ -66,10 +74,8 @@ type HeaderChain struct {
engine consensus.Engine
}
-// NewHeaderChain creates a new HeaderChain structure.
-// getValidator should return the parent's validator
-// procInterrupt points to the parent's interrupt semaphore
-// wg points to the parent's shutdown wait group
+// NewHeaderChain creates a new HeaderChain structure. ProcInterrupt points
+// to the parent's interrupt semaphore.
func NewHeaderChain(chainDb ethdb.Database, config *params.ChainConfig, engine consensus.Engine, procInterrupt func() bool) (*HeaderChain, error) {
headerCache, _ := lru.New(headerCacheLimit)
tdCache, _ := lru.New(tdCacheLimit)
@@ -143,29 +149,46 @@ func (hc *HeaderChain) WriteHeader(header *types.Header) (status WriteStatus, er
if ptd == nil {
return NonStatTy, consensus.ErrUnknownAncestor
}
- localTd := hc.GetTd(hc.currentHeaderHash, hc.CurrentHeader().Number.Uint64())
+ head := hc.CurrentHeader().Number.Uint64()
+ localTd := hc.GetTd(hc.currentHeaderHash, head)
externTd := new(big.Int).Add(header.Difficulty, ptd)
// Irrelevant of the canonical status, write the td and header to the database
- if err := hc.WriteTd(hash, number, externTd); err != nil {
- log.Crit("Failed to write header total difficulty", "err", err)
+ //
+ // Note all the components of header(td, hash->number index and header) should
+ // be written atomically.
+ headerBatch := hc.chainDb.NewBatch()
+ rawdb.WriteTd(headerBatch, hash, number, externTd)
+ rawdb.WriteHeader(headerBatch, header)
+ if err := headerBatch.Write(); err != nil {
+ log.Crit("Failed to write header into disk", "err", err)
}
- rawdb.WriteHeader(hc.chainDb, header)
-
// If the total difficulty is higher than our known, add it to the canonical chain
// Second clause in the if statement reduces the vulnerability to selfish mining.
// Please refer to http://www.cs.cornell.edu/~ie53/publications/btcProcFC.pdf
- if externTd.Cmp(localTd) > 0 || (externTd.Cmp(localTd) == 0 && mrand.Float64() < 0.5) {
+ reorg := externTd.Cmp(localTd) > 0
+ if !reorg && externTd.Cmp(localTd) == 0 {
+ if header.Number.Uint64() < head {
+ reorg = true
+ } else if header.Number.Uint64() == head {
+ reorg = mrand.Float64() < 0.5
+ }
+ }
+ if reorg {
+ // If the header can be added into canonical chain, adjust the
+ // header chain markers(canonical indexes and head header flag).
+ //
+ // Note all markers should be written atomically.
+
// Delete any canonical number assignments above the new head
- batch := hc.chainDb.NewBatch()
+ markerBatch := hc.chainDb.NewBatch()
for i := number + 1; ; i++ {
hash := rawdb.ReadCanonicalHash(hc.chainDb, i)
if hash == (common.Hash{}) {
break
}
- rawdb.DeleteCanonicalHash(batch, i)
+ rawdb.DeleteCanonicalHash(markerBatch, i)
}
- batch.Write()
// Overwrite any stale canonical number assignments
var (
@@ -174,16 +197,19 @@ func (hc *HeaderChain) WriteHeader(header *types.Header) (status WriteStatus, er
headHeader = hc.GetHeader(headHash, headNumber)
)
for rawdb.ReadCanonicalHash(hc.chainDb, headNumber) != headHash {
- rawdb.WriteCanonicalHash(hc.chainDb, headHash, headNumber)
+ rawdb.WriteCanonicalHash(markerBatch, headHash, headNumber)
headHash = headHeader.ParentHash
headNumber = headHeader.Number.Uint64() - 1
headHeader = hc.GetHeader(headHash, headNumber)
}
// Extend the canonical chain with the new header
- rawdb.WriteCanonicalHash(hc.chainDb, hash, number)
- rawdb.WriteHeadHeaderHash(hc.chainDb, hash)
-
+ rawdb.WriteCanonicalHash(markerBatch, hash, number)
+ rawdb.WriteHeadHeaderHash(markerBatch, hash)
+ if err := markerBatch.Write(); err != nil {
+ log.Crit("Failed to write header markers into disk", "err", err)
+ }
+ // Last step update all in-memory head header markers
hc.currentHeaderHash = hash
hc.currentHeader.Store(types.CopyHeader(header))
headHeaderGauge.Update(header.Number.Int64())
@@ -192,9 +218,9 @@ func (hc *HeaderChain) WriteHeader(header *types.Header) (status WriteStatus, er
} else {
status = SideStatTy
}
+ hc.tdCache.Add(hash, externTd)
hc.headerCache.Add(hash, header)
hc.numberCache.Add(hash, number)
-
return
}
@@ -349,8 +375,11 @@ func (hc *HeaderChain) GetAncestor(hash common.Hash, number, ancestor uint64, ma
}
for ancestor != 0 {
if rawdb.ReadCanonicalHash(hc.chainDb, number) == hash {
- number -= ancestor
- return rawdb.ReadCanonicalHash(hc.chainDb, number), number
+ ancestorHash := rawdb.ReadCanonicalHash(hc.chainDb, number-ancestor)
+ if rawdb.ReadCanonicalHash(hc.chainDb, number) == hash {
+ number -= ancestor
+ return ancestorHash, number
+ }
}
if *maxNonCanonical == 0 {
return common.Hash{}, 0
@@ -393,14 +422,6 @@ func (hc *HeaderChain) GetTdByHash(hash common.Hash) *big.Int {
return hc.GetTd(hash, *number)
}
-// WriteTd stores a block's total difficulty into the database, also caching it
-// along the way.
-func (hc *HeaderChain) WriteTd(hash common.Hash, number uint64, td *big.Int) error {
- rawdb.WriteTd(hc.chainDb, hash, number, td)
- hc.tdCache.Add(hash, new(big.Int).Set(td))
- return nil
-}
-
// GetHeader retrieves a block header from the database by hash and number,
// caching it if found.
func (hc *HeaderChain) GetHeader(hash common.Hash, number uint64) *types.Header {
@@ -428,6 +449,8 @@ func (hc *HeaderChain) GetHeaderByHash(hash common.Hash) *types.Header {
}
// HasHeader checks if a block header is present in the database or not.
+// In theory, if header is present in the database, all relative components
+// like td and hash->number should be present too.
func (hc *HeaderChain) HasHeader(hash common.Hash, number uint64) bool {
if hc.numberCache.Contains(hash) || hc.headerCache.Contains(hash) {
return true
@@ -445,16 +468,19 @@ func (hc *HeaderChain) GetHeaderByNumber(number uint64) *types.Header {
return hc.GetHeader(hash, number)
}
+func (hc *HeaderChain) GetCanonicalHash(number uint64) common.Hash {
+ return rawdb.ReadCanonicalHash(hc.chainDb, number)
+}
+
// CurrentHeader retrieves the current head header of the canonical chain. The
// header is retrieved from the HeaderChain's internal cache.
func (hc *HeaderChain) CurrentHeader() *types.Header {
return hc.currentHeader.Load().(*types.Header)
}
-// SetCurrentHeader sets the current head header of the canonical chain.
+// SetCurrentHeader sets the in-memory head header marker of the canonical chan
+// as the given header.
func (hc *HeaderChain) SetCurrentHeader(head *types.Header) {
- rawdb.WriteHeadHeaderHash(hc.chainDb, head.Hash())
-
hc.currentHeader.Store(head)
hc.currentHeaderHash = head.Hash()
headHeaderGauge.Update(head.Number.Int64())
@@ -462,8 +488,10 @@ func (hc *HeaderChain) SetCurrentHeader(head *types.Header) {
type (
// UpdateHeadBlocksCallback is a callback function that is called by SetHead
- // before head header is updated.
- UpdateHeadBlocksCallback func(ethdb.KeyValueWriter, *types.Header)
+ // before head header is updated. The method will return the actual block it
+ // updated the head to (missing state) and a flag if setHead should continue
+ // rewinding till that forcefully (exceeded ancient limits)
+ UpdateHeadBlocksCallback func(ethdb.KeyValueWriter, *types.Header) (uint64, bool)
// DeleteBlockContentCallback is a callback function that is called by SetHead
// before each header is deleted.
@@ -476,9 +504,10 @@ func (hc *HeaderChain) SetHead(head uint64, updateFn UpdateHeadBlocksCallback, d
var (
parentHash common.Hash
batch = hc.chainDb.NewBatch()
+ origin = true
)
for hdr := hc.CurrentHeader(); hdr != nil && hdr.Number.Uint64() > head; hdr = hc.CurrentHeader() {
- hash, num := hdr.Hash(), hdr.Number.Uint64()
+ num := hdr.Number.Uint64()
// Rewind block chain to new head.
parent := hc.GetHeader(hdr.ParentHash, num-1)
@@ -486,34 +515,64 @@ func (hc *HeaderChain) SetHead(head uint64, updateFn UpdateHeadBlocksCallback, d
parent = hc.genesisHeader
}
parentHash = hdr.ParentHash
+
// Notably, since geth has the possibility for setting the head to a low
// height which is even lower than ancient head.
// In order to ensure that the head is always no higher than the data in
- // the database(ancient store or active store), we need to update head
+ // the database (ancient store or active store), we need to update head
// first then remove the relative data from the database.
//
// Update head first(head fast block, head full block) before deleting the data.
+ markerBatch := hc.chainDb.NewBatch()
if updateFn != nil {
- updateFn(hc.chainDb, parent)
+ newHead, force := updateFn(markerBatch, parent)
+ if force && newHead < head {
+ log.Warn("Force rewinding till ancient limit", "head", newHead)
+ head = newHead
+ }
}
// Update head header then.
- rawdb.WriteHeadHeaderHash(hc.chainDb, parentHash)
-
- // Remove the relative data from the database.
- if delFn != nil {
- delFn(batch, hash, num)
+ rawdb.WriteHeadHeaderHash(markerBatch, parentHash)
+ if err := markerBatch.Write(); err != nil {
+ log.Crit("Failed to update chain markers", "error", err)
}
- // Rewind header chain to new head.
- rawdb.DeleteHeader(batch, hash, num)
- rawdb.DeleteTd(batch, hash, num)
- rawdb.DeleteCanonicalHash(batch, num)
-
hc.currentHeader.Store(parent)
hc.currentHeaderHash = parentHash
headHeaderGauge.Update(parent.Number.Int64())
- }
- batch.Write()
+ // If this is the first iteration, wipe any leftover data upwards too so
+ // we don't end up with dangling daps in the database
+ var nums []uint64
+ if origin {
+ for n := num + 1; len(rawdb.ReadAllHashes(hc.chainDb, n)) > 0; n++ {
+ nums = append([]uint64{n}, nums...) // suboptimal, but we don't really expect this path
+ }
+ origin = false
+ }
+ nums = append(nums, num)
+
+ // Remove the related data from the database on all sidechains
+ for _, num := range nums {
+ // Gather all the side fork hashes
+ hashes := rawdb.ReadAllHashes(hc.chainDb, num)
+ if len(hashes) == 0 {
+ // No hashes in the database whatsoever, probably frozen already
+ hashes = append(hashes, hdr.Hash())
+ }
+ for _, hash := range hashes {
+ if delFn != nil {
+ delFn(batch, hash, num)
+ }
+ rawdb.DeleteHeader(batch, hash, num)
+ rawdb.DeleteTd(batch, hash, num)
+ }
+ rawdb.DeleteCanonicalHash(batch, num)
+ }
+ }
+ // Flush all accumulated deletions.
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to rewind block", "error", err)
+ }
// Clear out any stale content from the caches
hc.headerCache.Purge()
hc.tdCache.Purge()
diff --git a/core/mkalloc.go b/core/mkalloc.go
index 35716a2..f443f9c 100644
--- a/core/mkalloc.go
+++ b/core/mkalloc.go
@@ -35,7 +35,7 @@ import (
"strconv"
"github.com/ava-labs/coreth/core"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/rlp"
)
type allocItem struct{ Addr, Balance *big.Int }
diff --git a/core/rawdb/accessors_chain.go b/core/rawdb/accessors_chain.go
index fdfd6ec..cd48885 100644
--- a/core/rawdb/accessors_chain.go
+++ b/core/rawdb/accessors_chain.go
@@ -23,10 +23,11 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
)
// ReadCanonicalHash retrieves the hash assigned to a canonical block number.
@@ -68,7 +69,7 @@ func ReadAllHashes(db ethdb.Iteratee, number uint64) []common.Hash {
prefix := headerKeyPrefix(number)
hashes := make([]common.Hash, 0, 1)
- it := db.NewIteratorWithPrefix(prefix)
+ it := db.NewIterator(prefix, nil)
defer it.Release()
for it.Next() {
@@ -79,6 +80,39 @@ func ReadAllHashes(db ethdb.Iteratee, number uint64) []common.Hash {
return hashes
}
+// ReadAllCanonicalHashes retrieves all canonical number and hash mappings at the
+// certain chain range. If the accumulated entries reaches the given threshold,
+// abort the iteration and return the semi-finish result.
+func ReadAllCanonicalHashes(db ethdb.Iteratee, from uint64, to uint64, limit int) ([]uint64, []common.Hash) {
+ // Short circuit if the limit is 0.
+ if limit == 0 {
+ return nil, nil
+ }
+ var (
+ numbers []uint64
+ hashes []common.Hash
+ )
+ // Construct the key prefix of start point.
+ start, end := headerHashKey(from), headerHashKey(to)
+ it := db.NewIterator(nil, start)
+ defer it.Release()
+
+ for it.Next() {
+ if bytes.Compare(it.Key(), end) >= 0 {
+ break
+ }
+ if key := it.Key(); len(key) == len(headerPrefix)+8+1 && bytes.Equal(key[len(key)-1:], headerHashSuffix) {
+ numbers = append(numbers, binary.BigEndian.Uint64(key[len(headerPrefix):len(headerPrefix)+8]))
+ hashes = append(hashes, common.BytesToHash(it.Value()))
+ // If the accumulated entries reaches the limit threshold, return.
+ if len(numbers) >= limit {
+ break
+ }
+ }
+ }
+ return numbers, hashes
+}
+
// ReadHeaderNumber returns the header number assigned to a hash.
func ReadHeaderNumber(db ethdb.KeyValueReader, hash common.Hash) *uint64 {
data, _ := db.Get(headerNumberKey(hash))
@@ -153,6 +187,32 @@ func WriteHeadFastBlockHash(db ethdb.KeyValueWriter, hash common.Hash) {
}
}
+// ReadLastPivotNumber retrieves the number of the last pivot block. If the node
+// full synced, the last pivot will always be nil.
+func ReadLastPivotNumber(db ethdb.KeyValueReader) *uint64 {
+ data, _ := db.Get(lastPivotKey)
+ if len(data) == 0 {
+ return nil
+ }
+ var pivot uint64
+ if err := rlp.DecodeBytes(data, &pivot); err != nil {
+ log.Error("Invalid pivot block number in database", "err", err)
+ return nil
+ }
+ return &pivot
+}
+
+// WriteLastPivotNumber stores the number of the last pivot block.
+func WriteLastPivotNumber(db ethdb.KeyValueWriter, pivot uint64) {
+ enc, err := rlp.EncodeToBytes(pivot)
+ if err != nil {
+ log.Crit("Failed to encode pivot block number", "err", err)
+ }
+ if err := db.Put(lastPivotKey, enc); err != nil {
+ log.Crit("Failed to store pivot block number", "err", err)
+ }
+}
+
// ReadFastTrieProgress retrieves the number of tries nodes fast synced to allow
// reporting correct numbers across restarts.
func ReadFastTrieProgress(db ethdb.KeyValueReader) uint64 {
@@ -171,20 +231,66 @@ func WriteFastTrieProgress(db ethdb.KeyValueWriter, count uint64) {
}
}
+// ReadTxIndexTail retrieves the number of oldest indexed block
+// whose transaction indices has been indexed. If the corresponding entry
+// is non-existent in database it means the indexing has been finished.
+func ReadTxIndexTail(db ethdb.KeyValueReader) *uint64 {
+ data, _ := db.Get(txIndexTailKey)
+ if len(data) != 8 {
+ return nil
+ }
+ number := binary.BigEndian.Uint64(data)
+ return &number
+}
+
+// WriteTxIndexTail stores the number of oldest indexed block
+// into database.
+func WriteTxIndexTail(db ethdb.KeyValueWriter, number uint64) {
+ if err := db.Put(txIndexTailKey, encodeBlockNumber(number)); err != nil {
+ log.Crit("Failed to store the transaction index tail", "err", err)
+ }
+}
+
+// ReadFastTxLookupLimit retrieves the tx lookup limit used in fast sync.
+func ReadFastTxLookupLimit(db ethdb.KeyValueReader) *uint64 {
+ data, _ := db.Get(fastTxLookupLimitKey)
+ if len(data) != 8 {
+ return nil
+ }
+ number := binary.BigEndian.Uint64(data)
+ return &number
+}
+
+// WriteFastTxLookupLimit stores the txlookup limit used in fast sync into database.
+func WriteFastTxLookupLimit(db ethdb.KeyValueWriter, number uint64) {
+ if err := db.Put(fastTxLookupLimitKey, encodeBlockNumber(number)); err != nil {
+ log.Crit("Failed to store transaction lookup limit for fast sync", "err", err)
+ }
+}
+
// ReadHeaderRLP retrieves a block header in its raw RLP database encoding.
func ReadHeaderRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
+ // First try to look up the data in ancient database. Extra hash
+ // comparison is necessary since ancient database only maintains
+ // the canonical data.
data, _ := db.Ancient(freezerHeaderTable, number)
- if len(data) == 0 {
- data, _ = db.Get(headerKey(number, hash))
- // In the background freezer is moving data from leveldb to flatten files.
- // So during the first check for ancient db, the data is not yet in there,
- // but when we reach into leveldb, the data was already moved. That would
- // result in a not found error.
- if len(data) == 0 {
- data, _ = db.Ancient(freezerHeaderTable, number)
- }
+ if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
+ return data
}
- return data
+ // Then try to look up the data in leveldb.
+ data, _ = db.Get(headerKey(number, hash))
+ if len(data) > 0 {
+ return data
+ }
+ // In the background freezer is moving data from leveldb to flatten files.
+ // So during the first check for ancient db, the data is not yet in there,
+ // but when we reach into leveldb, the data was already moved. That would
+ // result in a not found error.
+ data, _ = db.Ancient(freezerHeaderTable, number)
+ if len(data) > 0 && crypto.Keccak256Hash(data) == hash {
+ return data
+ }
+ return nil // Can't find the data anywhere.
}
// HasHeader verifies the existence of a block header corresponding to the hash.
@@ -251,9 +357,43 @@ func deleteHeaderWithoutNumber(db ethdb.KeyValueWriter, hash common.Hash, number
// ReadBodyRLP retrieves the block body (transactions and uncles) in RLP encoding.
func ReadBodyRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
+ // First try to look up the data in ancient database. Extra hash
+ // comparison is necessary since ancient database only maintains
+ // the canonical data.
+ data, _ := db.Ancient(freezerBodiesTable, number)
+ if len(data) > 0 {
+ h, _ := db.Ancient(freezerHashTable, number)
+ if common.BytesToHash(h) == hash {
+ return data
+ }
+ }
+ // Then try to look up the data in leveldb.
+ data, _ = db.Get(blockBodyKey(number, hash))
+ if len(data) > 0 {
+ return data
+ }
+ // In the background freezer is moving data from leveldb to flatten files.
+ // So during the first check for ancient db, the data is not yet in there,
+ // but when we reach into leveldb, the data was already moved. That would
+ // result in a not found error.
+ data, _ = db.Ancient(freezerBodiesTable, number)
+ if len(data) > 0 {
+ h, _ := db.Ancient(freezerHashTable, number)
+ if common.BytesToHash(h) == hash {
+ return data
+ }
+ }
+ return nil // Can't find the data anywhere.
+}
+
+// ReadCanonicalBodyRLP retrieves the block body (transactions and uncles) for the canonical
+// block at number, in RLP encoding.
+func ReadCanonicalBodyRLP(db ethdb.Reader, number uint64) rlp.RawValue {
+ // If it's an ancient one, we don't need the canonical hash
data, _ := db.Ancient(freezerBodiesTable, number)
if len(data) == 0 {
- data, _ = db.Get(blockBodyKey(number, hash))
+ // Need to get the hash
+ data, _ = db.Get(blockBodyKey(number, ReadCanonicalHash(db, number)))
// In the background freezer is moving data from leveldb to flatten files.
// So during the first check for ancient db, the data is not yet in there,
// but when we reach into leveldb, the data was already moved. That would
@@ -315,18 +455,33 @@ func DeleteBody(db ethdb.KeyValueWriter, hash common.Hash, number uint64) {
// ReadTdRLP retrieves a block's total difficulty corresponding to the hash in RLP encoding.
func ReadTdRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
+ // First try to look up the data in ancient database. Extra hash
+ // comparison is necessary since ancient database only maintains
+ // the canonical data.
data, _ := db.Ancient(freezerDifficultyTable, number)
- if len(data) == 0 {
- data, _ = db.Get(headerTDKey(number, hash))
- // In the background freezer is moving data from leveldb to flatten files.
- // So during the first check for ancient db, the data is not yet in there,
- // but when we reach into leveldb, the data was already moved. That would
- // result in a not found error.
- if len(data) == 0 {
- data, _ = db.Ancient(freezerDifficultyTable, number)
+ if len(data) > 0 {
+ h, _ := db.Ancient(freezerHashTable, number)
+ if common.BytesToHash(h) == hash {
+ return data
}
}
- return data
+ // Then try to look up the data in leveldb.
+ data, _ = db.Get(headerTDKey(number, hash))
+ if len(data) > 0 {
+ return data
+ }
+ // In the background freezer is moving data from leveldb to flatten files.
+ // So during the first check for ancient db, the data is not yet in there,
+ // but when we reach into leveldb, the data was already moved. That would
+ // result in a not found error.
+ data, _ = db.Ancient(freezerDifficultyTable, number)
+ if len(data) > 0 {
+ h, _ := db.Ancient(freezerHashTable, number)
+ if common.BytesToHash(h) == hash {
+ return data
+ }
+ }
+ return nil // Can't find the data anywhere.
}
// ReadTd retrieves a block's total difficulty corresponding to the hash.
@@ -375,18 +530,33 @@ func HasReceipts(db ethdb.Reader, hash common.Hash, number uint64) bool {
// ReadReceiptsRLP retrieves all the transaction receipts belonging to a block in RLP encoding.
func ReadReceiptsRLP(db ethdb.Reader, hash common.Hash, number uint64) rlp.RawValue {
+ // First try to look up the data in ancient database. Extra hash
+ // comparison is necessary since ancient database only maintains
+ // the canonical data.
data, _ := db.Ancient(freezerReceiptTable, number)
- if len(data) == 0 {
- data, _ = db.Get(blockReceiptsKey(number, hash))
- // In the background freezer is moving data from leveldb to flatten files.
- // So during the first check for ancient db, the data is not yet in there,
- // but when we reach into leveldb, the data was already moved. That would
- // result in a not found error.
- if len(data) == 0 {
- data, _ = db.Ancient(freezerReceiptTable, number)
+ if len(data) > 0 {
+ h, _ := db.Ancient(freezerHashTable, number)
+ if common.BytesToHash(h) == hash {
+ return data
}
}
- return data
+ // Then try to look up the data in leveldb.
+ data, _ = db.Get(blockReceiptsKey(number, hash))
+ if len(data) > 0 {
+ return data
+ }
+ // In the background freezer is moving data from leveldb to flatten files.
+ // So during the first check for ancient db, the data is not yet in there,
+ // but when we reach into leveldb, the data was already moved. That would
+ // result in a not found error.
+ data, _ = db.Ancient(freezerReceiptTable, number)
+ if len(data) > 0 {
+ h, _ := db.Ancient(freezerHashTable, number)
+ if common.BytesToHash(h) == hash {
+ return data
+ }
+ }
+ return nil // Can't find the data anywhere.
}
// ReadRawReceipts retrieves all the transaction receipts belonging to a block.
diff --git a/core/rawdb/accessors_indexes.go b/core/rawdb/accessors_indexes.go
index 1dd478a..bf3ba07 100644
--- a/core/rawdb/accessors_indexes.go
+++ b/core/rawdb/accessors_indexes.go
@@ -17,14 +17,15 @@
package rawdb
import (
+ "bytes"
"math/big"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
)
// ReadTxLookupEntry retrieves the positional metadata associated with a transaction
@@ -52,20 +53,44 @@ func ReadTxLookupEntry(db ethdb.Reader, hash common.Hash) *uint64 {
return &entry.BlockIndex
}
-// WriteTxLookupEntries stores a positional metadata for every transaction from
+// writeTxLookupEntry stores a positional metadata for a transaction,
+// enabling hash based transaction and receipt lookups.
+func writeTxLookupEntry(db ethdb.KeyValueWriter, hash common.Hash, numberBytes []byte) {
+ if err := db.Put(txLookupKey(hash), numberBytes); err != nil {
+ log.Crit("Failed to store transaction lookup entry", "err", err)
+ }
+}
+
+// WriteTxLookupEntries is identical to WriteTxLookupEntry, but it works on
+// a list of hashes
+func WriteTxLookupEntries(db ethdb.KeyValueWriter, number uint64, hashes []common.Hash) {
+ numberBytes := new(big.Int).SetUint64(number).Bytes()
+ for _, hash := range hashes {
+ writeTxLookupEntry(db, hash, numberBytes)
+ }
+}
+
+// WriteTxLookupEntriesByBlock stores a positional metadata for every transaction from
// a block, enabling hash based transaction and receipt lookups.
-func WriteTxLookupEntries(db ethdb.KeyValueWriter, block *types.Block) {
- number := block.Number().Bytes()
+func WriteTxLookupEntriesByBlock(db ethdb.KeyValueWriter, block *types.Block) {
+ numberBytes := block.Number().Bytes()
for _, tx := range block.Transactions() {
- if err := db.Put(txLookupKey(tx.Hash()), number); err != nil {
- log.Crit("Failed to store transaction lookup entry", "err", err)
- }
+ writeTxLookupEntry(db, tx.Hash(), numberBytes)
}
}
// DeleteTxLookupEntry removes all transaction data associated with a hash.
func DeleteTxLookupEntry(db ethdb.KeyValueWriter, hash common.Hash) {
- db.Delete(txLookupKey(hash))
+ if err := db.Delete(txLookupKey(hash)); err != nil {
+ log.Crit("Failed to delete transaction lookup entry", "err", err)
+ }
+}
+
+// DeleteTxLookupEntries removes all transaction lookups for a given block.
+func DeleteTxLookupEntries(db ethdb.KeyValueWriter, hashes []common.Hash) {
+ for _, hash := range hashes {
+ DeleteTxLookupEntry(db, hash)
+ }
}
// ReadTransaction retrieves a specific transaction from the database, along with
@@ -129,3 +154,24 @@ func WriteBloomBits(db ethdb.KeyValueWriter, bit uint, section uint64, head comm
log.Crit("Failed to store bloom bits", "err", err)
}
}
+
+// DeleteBloombits removes all compressed bloom bits vector belonging to the
+// given section range and bit index.
+func DeleteBloombits(db ethdb.Database, bit uint, from uint64, to uint64) {
+ start, end := bloomBitsKey(bit, from, common.Hash{}), bloomBitsKey(bit, to, common.Hash{})
+ it := db.NewIterator(nil, start)
+ defer it.Release()
+
+ for it.Next() {
+ if bytes.Compare(it.Key(), end) >= 0 {
+ break
+ }
+ if len(it.Key()) != len(bloomBitsPrefix)+2+8+32 {
+ continue
+ }
+ db.Delete(it.Key())
+ }
+ if it.Error() != nil {
+ log.Crit("Failed to delete bloom bits", "err", it.Error())
+ }
+}
diff --git a/core/rawdb/accessors_metadata.go b/core/rawdb/accessors_metadata.go
index 7a17123..c5e5655 100644
--- a/core/rawdb/accessors_metadata.go
+++ b/core/rawdb/accessors_metadata.go
@@ -20,10 +20,10 @@ import (
"encoding/json"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
)
// ReadDatabaseVersion retrieves the version number of the database.
@@ -79,20 +79,3 @@ func WriteChainConfig(db ethdb.KeyValueWriter, hash common.Hash, cfg *params.Cha
log.Crit("Failed to store chain config", "err", err)
}
}
-
-// ReadPreimage retrieves a single preimage of the provided hash.
-func ReadPreimage(db ethdb.KeyValueReader, hash common.Hash) []byte {
- data, _ := db.Get(preimageKey(hash))
- return data
-}
-
-// WritePreimages writes the provided set of preimages to the database.
-func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
- for hash, preimage := range preimages {
- if err := db.Put(preimageKey(hash), preimage); err != nil {
- log.Crit("Failed to store trie preimage", "err", err)
- }
- }
- preimageCounter.Inc(int64(len(preimages)))
- preimageHitCounter.Inc(int64(len(preimages)))
-}
diff --git a/core/rawdb/accessors_snapshot.go b/core/rawdb/accessors_snapshot.go
new file mode 100644
index 0000000..ecd4e65
--- /dev/null
+++ b/core/rawdb/accessors_snapshot.go
@@ -0,0 +1,120 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rawdb
+
+import (
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+)
+
+// ReadSnapshotRoot retrieves the root of the block whose state is contained in
+// the persisted snapshot.
+func ReadSnapshotRoot(db ethdb.KeyValueReader) common.Hash {
+ data, _ := db.Get(snapshotRootKey)
+ if len(data) != common.HashLength {
+ return common.Hash{}
+ }
+ return common.BytesToHash(data)
+}
+
+// WriteSnapshotRoot stores the root of the block whose state is contained in
+// the persisted snapshot.
+func WriteSnapshotRoot(db ethdb.KeyValueWriter, root common.Hash) {
+ if err := db.Put(snapshotRootKey, root[:]); err != nil {
+ log.Crit("Failed to store snapshot root", "err", err)
+ }
+}
+
+// DeleteSnapshotRoot deletes the hash of the block whose state is contained in
+// the persisted snapshot. Since snapshots are not immutable, this method can
+// be used during updates, so a crash or failure will mark the entire snapshot
+// invalid.
+func DeleteSnapshotRoot(db ethdb.KeyValueWriter) {
+ if err := db.Delete(snapshotRootKey); err != nil {
+ log.Crit("Failed to remove snapshot root", "err", err)
+ }
+}
+
+// ReadAccountSnapshot retrieves the snapshot entry of an account trie leaf.
+func ReadAccountSnapshot(db ethdb.KeyValueReader, hash common.Hash) []byte {
+ data, _ := db.Get(accountSnapshotKey(hash))
+ return data
+}
+
+// WriteAccountSnapshot stores the snapshot entry of an account trie leaf.
+func WriteAccountSnapshot(db ethdb.KeyValueWriter, hash common.Hash, entry []byte) {
+ if err := db.Put(accountSnapshotKey(hash), entry); err != nil {
+ log.Crit("Failed to store account snapshot", "err", err)
+ }
+}
+
+// DeleteAccountSnapshot removes the snapshot entry of an account trie leaf.
+func DeleteAccountSnapshot(db ethdb.KeyValueWriter, hash common.Hash) {
+ if err := db.Delete(accountSnapshotKey(hash)); err != nil {
+ log.Crit("Failed to delete account snapshot", "err", err)
+ }
+}
+
+// ReadStorageSnapshot retrieves the snapshot entry of an storage trie leaf.
+func ReadStorageSnapshot(db ethdb.KeyValueReader, accountHash, storageHash common.Hash) []byte {
+ data, _ := db.Get(storageSnapshotKey(accountHash, storageHash))
+ return data
+}
+
+// WriteStorageSnapshot stores the snapshot entry of an storage trie leaf.
+func WriteStorageSnapshot(db ethdb.KeyValueWriter, accountHash, storageHash common.Hash, entry []byte) {
+ if err := db.Put(storageSnapshotKey(accountHash, storageHash), entry); err != nil {
+ log.Crit("Failed to store storage snapshot", "err", err)
+ }
+}
+
+// DeleteStorageSnapshot removes the snapshot entry of an storage trie leaf.
+func DeleteStorageSnapshot(db ethdb.KeyValueWriter, accountHash, storageHash common.Hash) {
+ if err := db.Delete(storageSnapshotKey(accountHash, storageHash)); err != nil {
+ log.Crit("Failed to delete storage snapshot", "err", err)
+ }
+}
+
+// IterateStorageSnapshots returns an iterator for walking the entire storage
+// space of a specific account.
+func IterateStorageSnapshots(db ethdb.Iteratee, accountHash common.Hash) ethdb.Iterator {
+ return db.NewIterator(storageSnapshotsKey(accountHash), nil)
+}
+
+// ReadSnapshotJournal retrieves the serialized in-memory diff layers saved at
+// the last shutdown. The blob is expected to be max a few 10s of megabytes.
+func ReadSnapshotJournal(db ethdb.KeyValueReader) []byte {
+ data, _ := db.Get(snapshotJournalKey)
+ return data
+}
+
+// WriteSnapshotJournal stores the serialized in-memory diff layers to save at
+// shutdown. The blob is expected to be max a few 10s of megabytes.
+func WriteSnapshotJournal(db ethdb.KeyValueWriter, journal []byte) {
+ if err := db.Put(snapshotJournalKey, journal); err != nil {
+ log.Crit("Failed to store snapshot journal", "err", err)
+ }
+}
+
+// DeleteSnapshotJournal deletes the serialized in-memory diff layers saved at
+// the last shutdown
+func DeleteSnapshotJournal(db ethdb.KeyValueWriter) {
+ if err := db.Delete(snapshotJournalKey); err != nil {
+ log.Crit("Failed to remove snapshot journal", "err", err)
+ }
+}
diff --git a/core/rawdb/accessors_state.go b/core/rawdb/accessors_state.go
new file mode 100644
index 0000000..6112de0
--- /dev/null
+++ b/core/rawdb/accessors_state.go
@@ -0,0 +1,96 @@
+// Copyright 2020 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rawdb
+
+import (
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+)
+
+// ReadPreimage retrieves a single preimage of the provided hash.
+func ReadPreimage(db ethdb.KeyValueReader, hash common.Hash) []byte {
+ data, _ := db.Get(preimageKey(hash))
+ return data
+}
+
+// WritePreimages writes the provided set of preimages to the database.
+func WritePreimages(db ethdb.KeyValueWriter, preimages map[common.Hash][]byte) {
+ for hash, preimage := range preimages {
+ if err := db.Put(preimageKey(hash), preimage); err != nil {
+ log.Crit("Failed to store trie preimage", "err", err)
+ }
+ }
+ preimageCounter.Inc(int64(len(preimages)))
+ preimageHitCounter.Inc(int64(len(preimages)))
+}
+
+// ReadCode retrieves the contract code of the provided code hash.
+func ReadCode(db ethdb.KeyValueReader, hash common.Hash) []byte {
+ // Try with the legacy code scheme first, if not then try with current
+ // scheme. Since most of the code will be found with legacy scheme.
+ //
+ // todo(rjl493456442) change the order when we forcibly upgrade the code
+ // scheme with snapshot.
+ data, _ := db.Get(hash[:])
+ if len(data) != 0 {
+ return data
+ }
+ return ReadCodeWithPrefix(db, hash)
+}
+
+// ReadCodeWithPrefix retrieves the contract code of the provided code hash.
+// The main difference between this function and ReadCode is this function
+// will only check the existence with latest scheme(with prefix).
+func ReadCodeWithPrefix(db ethdb.KeyValueReader, hash common.Hash) []byte {
+ data, _ := db.Get(codeKey(hash))
+ return data
+}
+
+// WriteCode writes the provided contract code database.
+func WriteCode(db ethdb.KeyValueWriter, hash common.Hash, code []byte) {
+ if err := db.Put(codeKey(hash), code); err != nil {
+ log.Crit("Failed to store contract code", "err", err)
+ }
+}
+
+// DeleteCode deletes the specified contract code from the database.
+func DeleteCode(db ethdb.KeyValueWriter, hash common.Hash) {
+ if err := db.Delete(codeKey(hash)); err != nil {
+ log.Crit("Failed to delete contract code", "err", err)
+ }
+}
+
+// ReadTrieNode retrieves the trie node of the provided hash.
+func ReadTrieNode(db ethdb.KeyValueReader, hash common.Hash) []byte {
+ data, _ := db.Get(hash.Bytes())
+ return data
+}
+
+// WriteTrieNode writes the provided trie node database.
+func WriteTrieNode(db ethdb.KeyValueWriter, hash common.Hash, node []byte) {
+ if err := db.Put(hash.Bytes(), node); err != nil {
+ log.Crit("Failed to store trie node", "err", err)
+ }
+}
+
+// DeleteTrieNode deletes the specified trie node from the database.
+func DeleteTrieNode(db ethdb.KeyValueWriter, hash common.Hash) {
+ if err := db.Delete(hash.Bytes()); err != nil {
+ log.Crit("Failed to delete trie node", "err", err)
+ }
+}
diff --git a/core/rawdb/chain_iterator.go b/core/rawdb/chain_iterator.go
new file mode 100644
index 0000000..3130e92
--- /dev/null
+++ b/core/rawdb/chain_iterator.go
@@ -0,0 +1,304 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rawdb
+
+import (
+ "runtime"
+ "sync/atomic"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/prque"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "golang.org/x/crypto/sha3"
+)
+
+// InitDatabaseFromFreezer reinitializes an empty database from a previous batch
+// of frozen ancient blocks. The method iterates over all the frozen blocks and
+// injects into the database the block hash->number mappings.
+func InitDatabaseFromFreezer(db ethdb.Database) {
+ // If we can't access the freezer or it's empty, abort
+ frozen, err := db.Ancients()
+ if err != nil || frozen == 0 {
+ return
+ }
+ var (
+ batch = db.NewBatch()
+ start = time.Now()
+ logged = start.Add(-7 * time.Second) // Unindex during import is fast, don't double log
+ hash common.Hash
+ )
+ for i := uint64(0); i < frozen; i++ {
+ // Since the freezer has all data in sequential order on a file,
+ // it would be 'neat' to read more data in one go, and let the
+ // freezerdb return N items (e.g up to 1000 items per go)
+ // That would require an API change in Ancients though
+ if h, err := db.Ancient(freezerHashTable, i); err != nil {
+ log.Crit("Failed to init database from freezer", "err", err)
+ } else {
+ hash = common.BytesToHash(h)
+ }
+ WriteHeaderNumber(batch, hash, i)
+ // If enough data was accumulated in memory or we're at the last block, dump to disk
+ if batch.ValueSize() > ethdb.IdealBatchSize {
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write data to db", "err", err)
+ }
+ batch.Reset()
+ }
+ // If we've spent too much time already, notify the user of what we're doing
+ if time.Since(logged) > 8*time.Second {
+ log.Info("Initializing database from freezer", "total", frozen, "number", i, "hash", hash, "elapsed", common.PrettyDuration(time.Since(start)))
+ logged = time.Now()
+ }
+ }
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write data to db", "err", err)
+ }
+ batch.Reset()
+
+ WriteHeadHeaderHash(db, hash)
+ WriteHeadFastBlockHash(db, hash)
+ log.Info("Initialized database from freezer", "blocks", frozen, "elapsed", common.PrettyDuration(time.Since(start)))
+}
+
+type blockTxHashes struct {
+ number uint64
+ hashes []common.Hash
+}
+
+// iterateTransactions iterates over all transactions in the (canon) block
+// number(s) given, and yields the hashes on a channel
+func iterateTransactions(db ethdb.Database, from uint64, to uint64, reverse bool) (chan *blockTxHashes, chan struct{}) {
+ // One thread sequentially reads data from db
+ type numberRlp struct {
+ number uint64
+ rlp rlp.RawValue
+ }
+ if to == from {
+ return nil, nil
+ }
+ threads := to - from
+ if cpus := runtime.NumCPU(); threads > uint64(cpus) {
+ threads = uint64(cpus)
+ }
+ var (
+ rlpCh = make(chan *numberRlp, threads*2) // we send raw rlp over this channel
+ hashesCh = make(chan *blockTxHashes, threads*2) // send hashes over hashesCh
+ abortCh = make(chan struct{})
+ )
+ // lookup runs in one instance
+ lookup := func() {
+ n, end := from, to
+ if reverse {
+ n, end = to-1, from-1
+ }
+ defer close(rlpCh)
+ for n != end {
+ data := ReadCanonicalBodyRLP(db, n)
+ // Feed the block to the aggregator, or abort on interrupt
+ select {
+ case rlpCh <- &numberRlp{n, data}:
+ case <-abortCh:
+ return
+ }
+ if reverse {
+ n--
+ } else {
+ n++
+ }
+ }
+ }
+ // process runs in parallel
+ nThreadsAlive := int32(threads)
+ process := func() {
+ defer func() {
+ // Last processor closes the result channel
+ if atomic.AddInt32(&nThreadsAlive, -1) == 0 {
+ close(hashesCh)
+ }
+ }()
+
+ var hasher = sha3.NewLegacyKeccak256()
+ for data := range rlpCh {
+ it, err := rlp.NewListIterator(data.rlp)
+ if err != nil {
+ log.Warn("tx iteration error", "error", err)
+ return
+ }
+ it.Next()
+ txs := it.Value()
+ txIt, err := rlp.NewListIterator(txs)
+ if err != nil {
+ log.Warn("tx iteration error", "error", err)
+ return
+ }
+ var hashes []common.Hash
+ for txIt.Next() {
+ if err := txIt.Err(); err != nil {
+ log.Warn("tx iteration error", "error", err)
+ return
+ }
+ var txHash common.Hash
+ hasher.Reset()
+ hasher.Write(txIt.Value())
+ hasher.Sum(txHash[:0])
+ hashes = append(hashes, txHash)
+ }
+ result := &blockTxHashes{
+ hashes: hashes,
+ number: data.number,
+ }
+ // Feed the block to the aggregator, or abort on interrupt
+ select {
+ case hashesCh <- result:
+ case <-abortCh:
+ return
+ }
+ }
+ }
+ go lookup() // start the sequential db accessor
+ for i := 0; i < int(threads); i++ {
+ go process()
+ }
+ return hashesCh, abortCh
+}
+
+// IndexTransactions creates txlookup indices of the specified block range.
+//
+// This function iterates canonical chain in reverse order, it has one main advantage:
+// We can write tx index tail flag periodically even without the whole indexing
+// procedure is finished. So that we can resume indexing procedure next time quickly.
+func IndexTransactions(db ethdb.Database, from uint64, to uint64) {
+ // short circuit for invalid range
+ if from >= to {
+ return
+ }
+ var (
+ hashesCh, abortCh = iterateTransactions(db, from, to, true)
+ batch = db.NewBatch()
+ start = time.Now()
+ logged = start.Add(-7 * time.Second)
+ // Since we iterate in reverse, we expect the first number to come
+ // in to be [to-1]. Therefore, setting lastNum to means that the
+ // prqueue gap-evaluation will work correctly
+ lastNum = to
+ queue = prque.New(nil)
+ // for stats reporting
+ blocks, txs = 0, 0
+ )
+ defer close(abortCh)
+
+ for chanDelivery := range hashesCh {
+ // Push the delivery into the queue and process contiguous ranges.
+ // Since we iterate in reverse, so lower numbers have lower prio, and
+ // we can use the number directly as prio marker
+ queue.Push(chanDelivery, int64(chanDelivery.number))
+ for !queue.Empty() {
+ // If the next available item is gapped, return
+ if _, priority := queue.Peek(); priority != int64(lastNum-1) {
+ break
+ }
+ // Next block available, pop it off and index it
+ delivery := queue.PopItem().(*blockTxHashes)
+ lastNum = delivery.number
+ WriteTxLookupEntries(batch, delivery.number, delivery.hashes)
+ blocks++
+ txs += len(delivery.hashes)
+ // If enough data was accumulated in memory or we're at the last block, dump to disk
+ if batch.ValueSize() > ethdb.IdealBatchSize {
+ // Also write the tail there
+ WriteTxIndexTail(batch, lastNum)
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed writing batch to db", "error", err)
+ return
+ }
+ batch.Reset()
+ }
+ // If we've spent too much time already, notify the user of what we're doing
+ if time.Since(logged) > 8*time.Second {
+ log.Info("Indexing transactions", "blocks", blocks, "txs", txs, "tail", lastNum, "total", to-from, "elapsed", common.PrettyDuration(time.Since(start)))
+ logged = time.Now()
+ }
+ }
+ }
+ if lastNum < to {
+ WriteTxIndexTail(batch, lastNum)
+ // No need to write the batch if we never entered the loop above...
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed writing batch to db", "error", err)
+ return
+ }
+ }
+ log.Info("Indexed transactions", "blocks", blocks, "txs", txs, "tail", lastNum, "elapsed", common.PrettyDuration(time.Since(start)))
+}
+
+// UnindexTransactions removes txlookup indices of the specified block range.
+func UnindexTransactions(db ethdb.Database, from uint64, to uint64) {
+ // short circuit for invalid range
+ if from >= to {
+ return
+ }
+ // Write flag first and then unindex the transaction indices. Some indices
+ // will be left in the database if crash happens but it's fine.
+ WriteTxIndexTail(db, to)
+ // If only one block is unindexed, do it directly
+ //if from+1 == to {
+ // data := ReadCanonicalBodyRLP(db, uint64(from))
+ // DeleteTxLookupEntries(db, ReadBlock(db, ReadCanonicalHash(db, from), from))
+ // log.Info("Unindexed transactions", "blocks", 1, "tail", to)
+ // return
+ //}
+ // TODO @holiman, add this back (if we want it)
+ var (
+ hashesCh, abortCh = iterateTransactions(db, from, to, false)
+ batch = db.NewBatch()
+ start = time.Now()
+ logged = start.Add(-7 * time.Second)
+ )
+ defer close(abortCh)
+ // Otherwise spin up the concurrent iterator and unindexer
+ blocks, txs := 0, 0
+ for delivery := range hashesCh {
+ DeleteTxLookupEntries(batch, delivery.hashes)
+ txs += len(delivery.hashes)
+ blocks++
+
+ // If enough data was accumulated in memory or we're at the last block, dump to disk
+ // A batch counts the size of deletion as '1', so we need to flush more
+ // often than that.
+ if blocks%1000 == 0 {
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed writing batch to db", "error", err)
+ return
+ }
+ batch.Reset()
+ }
+ // If we've spent too much time already, notify the user of what we're doing
+ if time.Since(logged) > 8*time.Second {
+ log.Info("Unindexing transactions", "blocks", blocks, "txs", txs, "total", to-from, "elapsed", common.PrettyDuration(time.Since(start)))
+ logged = time.Now()
+ }
+ }
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed writing batch to db", "error", err)
+ return
+ }
+ log.Info("Unindexed transactions", "blocks", blocks, "txs", txs, "tail", to, "elapsed", common.PrettyDuration(time.Since(start)))
+}
diff --git a/core/rawdb/database.go b/core/rawdb/database.go
index f04c34f..316b5ad 100644
--- a/core/rawdb/database.go
+++ b/core/rawdb/database.go
@@ -21,13 +21,14 @@ import (
"errors"
"fmt"
"os"
+ "sync/atomic"
"time"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/ethdb/leveldb"
- "github.com/ava-labs/go-ethereum/ethdb/memorydb"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/ethdb/leveldb"
+ "github.com/ethereum/go-ethereum/ethdb/memorydb"
+ "github.com/ethereum/go-ethereum/log"
"github.com/olekukonko/tablewriter"
)
@@ -41,10 +42,10 @@ type freezerdb struct {
// the slow ancient tables.
func (frdb *freezerdb) Close() error {
var errs []error
- if err := frdb.KeyValueStore.Close(); err != nil {
+ if err := frdb.AncientStore.Close(); err != nil {
errs = append(errs, err)
}
- if err := frdb.AncientStore.Close(); err != nil {
+ if err := frdb.KeyValueStore.Close(); err != nil {
errs = append(errs, err)
}
if len(errs) != 0 {
@@ -53,6 +54,22 @@ func (frdb *freezerdb) Close() error {
return nil
}
+// Freeze is a helper method used for external testing to trigger and block until
+// a freeze cycle completes, without having to sleep for a minute to trigger the
+// automatic background run.
+func (frdb *freezerdb) Freeze(threshold uint64) {
+ // Set the freezer threshold to a temporary value
+ defer func(old uint64) {
+ atomic.StoreUint64(&frdb.AncientStore.(*freezer).threshold, old)
+ }(atomic.LoadUint64(&frdb.AncientStore.(*freezer).threshold))
+ atomic.StoreUint64(&frdb.AncientStore.(*freezer).threshold, threshold)
+
+ // Trigger a freeze cycle and block until it's done
+ trigger := make(chan struct{}, 1)
+ frdb.AncientStore.(*freezer).trigger <- trigger
+ <-trigger
+}
+
// nofreezedb is a database wrapper that disables freezer data retrievals.
type nofreezedb struct {
ethdb.KeyValueStore
@@ -137,7 +154,10 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace st
// If the freezer already contains something, ensure that the genesis blocks
// match, otherwise we might mix up freezers across chains and destroy both
// the freezer and the key-value store.
- if frgenesis, _ := frdb.Ancient(freezerHashTable, 0); !bytes.Equal(kvgenesis, frgenesis) {
+ frgenesis, err := frdb.Ancient(freezerHashTable, 0)
+ if err != nil {
+ return nil, fmt.Errorf("failed to retrieve genesis from ancient %v", err)
+ } else if !bytes.Equal(kvgenesis, frgenesis) {
return nil, fmt.Errorf("genesis mismatch: %#x (leveldb) != %#x (ancients)", kvgenesis, frgenesis)
}
// Key-value store and freezer belong to the same network. Ensure that they
@@ -150,11 +170,10 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace st
}
// Database contains only older data than the freezer, this happens if the
// state was wiped and reinited from an existing freezer.
- } else {
- // Key-value store continues where the freezer left off, all is fine. We might
- // have duplicate blocks (crash after freezer write but before kay-value store
- // deletion, but that's fine).
}
+ // Otherwise, key-value store continues where the freezer left off, all is fine.
+ // We might have duplicate blocks (crash after freezer write but before key-value
+ // store deletion, but that's fine).
} else {
// If the freezer is empty, ensure nothing was moved yet from the key-value
// store, otherwise we'll end up missing data. We check block #1 to decide
@@ -167,9 +186,9 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace st
return nil, errors.New("ancient chain segments already extracted, please set --datadir.ancient to the correct path")
}
// Block #1 is still in the database, we're allowed to init a new feezer
- } else {
- // The head header is still the genesis, we're allowed to init a new feezer
}
+ // Otherwise, the head header is still the genesis, we're allowed to init a new
+ // feezer.
}
}
// Freezer is consistent with the key-value database, permit combining the two
@@ -222,7 +241,7 @@ func NewLevelDBDatabaseWithFreezer(file string, cache int, handles int, freezer
// InspectDatabase traverses the entire database and checks the size
// of all different categories of data.
func InspectDatabase(db ethdb.Database) error {
- it := db.NewIterator()
+ it := db.NewIterator(nil, nil)
defer it.Release()
var (
@@ -239,7 +258,10 @@ func InspectDatabase(db ethdb.Database) error {
numHashPairing common.StorageSize
hashNumPairing common.StorageSize
trieSize common.StorageSize
+ codeSize common.StorageSize
txlookupSize common.StorageSize
+ accountSnapSize common.StorageSize
+ storageSnapSize common.StorageSize
preimageSize common.StorageSize
bloomBitsSize common.StorageSize
cliqueSnapsSize common.StorageSize
@@ -281,6 +303,10 @@ func InspectDatabase(db ethdb.Database) error {
receiptSize += size
case bytes.HasPrefix(key, txLookupPrefix) && len(key) == (len(txLookupPrefix)+common.HashLength):
txlookupSize += size
+ case bytes.HasPrefix(key, SnapshotAccountPrefix) && len(key) == (len(SnapshotAccountPrefix)+common.HashLength):
+ accountSnapSize += size
+ case bytes.HasPrefix(key, SnapshotStoragePrefix) && len(key) == (len(SnapshotStoragePrefix)+2*common.HashLength):
+ storageSnapSize += size
case bytes.HasPrefix(key, preimagePrefix) && len(key) == (len(preimagePrefix)+common.HashLength):
preimageSize += size
case bytes.HasPrefix(key, bloomBitsPrefix) && len(key) == (len(bloomBitsPrefix)+10+common.HashLength):
@@ -291,6 +317,8 @@ func InspectDatabase(db ethdb.Database) error {
chtTrieNodes += size
case bytes.HasPrefix(key, []byte("blt-")) && len(key) == 4+common.HashLength:
bloomTrieNodes += size
+ case bytes.HasPrefix(key, codePrefix) && len(key) == len(codePrefix)+common.HashLength:
+ codeSize += size
case len(key) == common.HashLength:
trieSize += size
default:
@@ -330,8 +358,11 @@ func InspectDatabase(db ethdb.Database) error {
{"Key-Value store", "Block hash->number", hashNumPairing.String()},
{"Key-Value store", "Transaction index", txlookupSize.String()},
{"Key-Value store", "Bloombit index", bloomBitsSize.String()},
+ {"Key-Value store", "Contract codes", codeSize.String()},
{"Key-Value store", "Trie nodes", trieSize.String()},
{"Key-Value store", "Trie preimages", preimageSize.String()},
+ {"Key-Value store", "Account snapshot", accountSnapSize.String()},
+ {"Key-Value store", "Storage snapshot", storageSnapSize.String()},
{"Key-Value store", "Clique snapshots", cliqueSnapsSize.String()},
{"Key-Value store", "Singleton metadata", metadata.String()},
{"Ancient store", "Headers", ancientHeaders.String()},
diff --git a/core/rawdb/freezer.go b/core/rawdb/freezer.go
index ce2e879..433290b 100644
--- a/core/rawdb/freezer.go
+++ b/core/rawdb/freezer.go
@@ -22,14 +22,15 @@ import (
"math"
"os"
"path/filepath"
+ "sync"
"sync/atomic"
"time"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
"github.com/prometheus/tsdb/fileutil"
)
@@ -69,10 +70,16 @@ type freezer struct {
// WARNING: The `frozen` field is accessed atomically. On 32 bit platforms, only
// 64-bit aligned fields can be atomic. The struct is guaranteed to be so aligned,
// so take advantage of that (https://golang.org/pkg/sync/atomic/#pkg-note-BUG).
- frozen uint64 // Number of blocks already frozen
+ frozen uint64 // Number of blocks already frozen
+ threshold uint64 // Number of recent blocks not to freeze (params.FullImmutabilityThreshold apart from tests)
tables map[string]*freezerTable // Data tables for storing everything
instanceLock fileutil.Releaser // File-system lock to prevent double opens
+
+ trigger chan chan struct{} // Manual blocking freeze trigger, test determinism
+
+ quit chan struct{}
+ closeOnce sync.Once
}
// newFreezer creates a chain freezer that moves ancient chain data into
@@ -80,9 +87,9 @@ type freezer struct {
func newFreezer(datadir string, namespace string) (*freezer, error) {
// Create the initial freezer object
var (
- readMeter = metrics.NewRegisteredMeter(namespace+"ancient/read", nil)
- writeMeter = metrics.NewRegisteredMeter(namespace+"ancient/write", nil)
- sizeCounter = metrics.NewRegisteredCounter(namespace+"ancient/size", nil)
+ readMeter = metrics.NewRegisteredMeter(namespace+"ancient/read", nil)
+ writeMeter = metrics.NewRegisteredMeter(namespace+"ancient/write", nil)
+ sizeGauge = metrics.NewRegisteredGauge(namespace+"ancient/size", nil)
)
// Ensure the datadir is not a symbolic link if it exists.
if info, err := os.Lstat(datadir); !os.IsNotExist(err) {
@@ -99,11 +106,14 @@ func newFreezer(datadir string, namespace string) (*freezer, error) {
}
// Open all the supported data tables
freezer := &freezer{
+ threshold: params.FullImmutabilityThreshold,
tables: make(map[string]*freezerTable),
instanceLock: lock,
+ trigger: make(chan chan struct{}),
+ quit: make(chan struct{}),
}
for name, disableSnappy := range freezerNoSnappy {
- table, err := newTable(datadir, name, readMeter, writeMeter, sizeCounter, disableSnappy)
+ table, err := newTable(datadir, name, readMeter, writeMeter, sizeGauge, disableSnappy)
if err != nil {
for _, table := range freezer.tables {
table.Close()
@@ -127,14 +137,17 @@ func newFreezer(datadir string, namespace string) (*freezer, error) {
// Close terminates the chain freezer, unmapping all the data files.
func (f *freezer) Close() error {
var errs []error
- for _, table := range f.tables {
- if err := table.Close(); err != nil {
+ f.closeOnce.Do(func() {
+ f.quit <- struct{}{}
+ for _, table := range f.tables {
+ if err := table.Close(); err != nil {
+ errs = append(errs, err)
+ }
+ }
+ if err := f.instanceLock.Release(); err != nil {
errs = append(errs, err)
}
- }
- if err := f.instanceLock.Release(); err != nil {
- errs = append(errs, err)
- }
+ })
if errs != nil {
return fmt.Errorf("%v", errs)
}
@@ -218,7 +231,7 @@ func (f *freezer) AppendAncient(number uint64, hash, header, body, receipts, td
return nil
}
-// Truncate discards any recent data above the provided threshold number.
+// TruncateAncients discards any recent data above the provided threshold number.
func (f *freezer) TruncateAncients(items uint64) error {
if atomic.LoadUint64(&f.frozen) <= items {
return nil
@@ -232,7 +245,7 @@ func (f *freezer) TruncateAncients(items uint64) error {
return nil
}
-// sync flushes all data tables to disk.
+// Sync flushes all data tables to disk.
func (f *freezer) Sync() error {
var errs []error
for _, table := range f.tables {
@@ -254,48 +267,75 @@ func (f *freezer) Sync() error {
func (f *freezer) freeze(db ethdb.KeyValueStore) {
nfdb := &nofreezedb{KeyValueStore: db}
+ var (
+ backoff bool
+ triggered chan struct{} // Used in tests
+ )
for {
+ select {
+ case <-f.quit:
+ log.Info("Freezer shutting down")
+ return
+ default:
+ }
+ if backoff {
+ // If we were doing a manual trigger, notify it
+ if triggered != nil {
+ triggered <- struct{}{}
+ triggered = nil
+ }
+ select {
+ case <-time.NewTimer(freezerRecheckInterval).C:
+ backoff = false
+ case triggered = <-f.trigger:
+ backoff = false
+ case <-f.quit:
+ return
+ }
+ }
// Retrieve the freezing threshold.
hash := ReadHeadBlockHash(nfdb)
if hash == (common.Hash{}) {
log.Debug("Current full block hash unavailable") // new chain, empty database
- time.Sleep(freezerRecheckInterval)
+ backoff = true
continue
}
number := ReadHeaderNumber(nfdb, hash)
+ threshold := atomic.LoadUint64(&f.threshold)
+
switch {
case number == nil:
log.Error("Current full block number unavailable", "hash", hash)
- time.Sleep(freezerRecheckInterval)
+ backoff = true
continue
- case *number < params.ImmutabilityThreshold:
- log.Debug("Current full block not old enough", "number", *number, "hash", hash, "delay", params.ImmutabilityThreshold)
- time.Sleep(freezerRecheckInterval)
+ case *number < threshold:
+ log.Debug("Current full block not old enough", "number", *number, "hash", hash, "delay", threshold)
+ backoff = true
continue
- case *number-params.ImmutabilityThreshold <= f.frozen:
+ case *number-threshold <= f.frozen:
log.Debug("Ancient blocks frozen already", "number", *number, "hash", hash, "frozen", f.frozen)
- time.Sleep(freezerRecheckInterval)
+ backoff = true
continue
}
head := ReadHeader(nfdb, hash, *number)
if head == nil {
log.Error("Current full block unavailable", "number", *number, "hash", hash)
- time.Sleep(freezerRecheckInterval)
+ backoff = true
continue
}
// Seems we have data ready to be frozen, process in usable batches
- limit := *number - params.ImmutabilityThreshold
+ limit := *number - threshold
if limit-f.frozen > freezerBatchLimit {
limit = f.frozen + freezerBatchLimit
}
var (
start = time.Now()
first = f.frozen
- ancients = make([]common.Hash, 0, limit)
+ ancients = make([]common.Hash, 0, limit-f.frozen)
)
- for f.frozen < limit {
+ for f.frozen <= limit {
// Retrieves all the components of the canonical block
hash := ReadCanonicalHash(nfdb, f.frozen)
if hash == (common.Hash{}) {
@@ -346,11 +386,15 @@ func (f *freezer) freeze(db ethdb.KeyValueStore) {
log.Crit("Failed to delete frozen canonical blocks", "err", err)
}
batch.Reset()
- // Wipe out side chain also.
+
+ // Wipe out side chains also and track dangling side chians
+ var dangling []common.Hash
for number := first; number < f.frozen; number++ {
// Always keep the genesis block in active database
if number != 0 {
- for _, hash := range ReadAllHashes(db, number) {
+ dangling = ReadAllHashes(db, number)
+ for _, hash := range dangling {
+ log.Trace("Deleting side chain", "number", number, "hash", hash)
DeleteBlock(batch, hash, number)
}
}
@@ -358,6 +402,41 @@ func (f *freezer) freeze(db ethdb.KeyValueStore) {
if err := batch.Write(); err != nil {
log.Crit("Failed to delete frozen side blocks", "err", err)
}
+ batch.Reset()
+
+ // Step into the future and delete and dangling side chains
+ if f.frozen > 0 {
+ tip := f.frozen
+ for len(dangling) > 0 {
+ drop := make(map[common.Hash]struct{})
+ for _, hash := range dangling {
+ log.Debug("Dangling parent from freezer", "number", tip-1, "hash", hash)
+ drop[hash] = struct{}{}
+ }
+ children := ReadAllHashes(db, tip)
+ for i := 0; i < len(children); i++ {
+ // Dig up the child and ensure it's dangling
+ child := ReadHeader(nfdb, children[i], tip)
+ if child == nil {
+ log.Error("Missing dangling header", "number", tip, "hash", children[i])
+ continue
+ }
+ if _, ok := drop[child.ParentHash]; !ok {
+ children = append(children[:i], children[i+1:]...)
+ i--
+ continue
+ }
+ // Delete all block data associated with the child
+ log.Debug("Deleting dangling block", "number", tip, "hash", children[i], "parent", child.ParentHash)
+ DeleteBlock(batch, children[i], tip)
+ }
+ dangling = children
+ tip++
+ }
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to delete dangling side blocks", "err", err)
+ }
+ }
// Log something friendly for the user
context := []interface{}{
"blocks", f.frozen - first, "elapsed", common.PrettyDuration(time.Since(start)), "number", f.frozen - 1,
@@ -369,7 +448,7 @@ func (f *freezer) freeze(db ethdb.KeyValueStore) {
// Avoid database thrashing with tiny writes
if f.frozen-first < freezerBatchLimit {
- time.Sleep(freezerRecheckInterval)
+ backoff = true
}
}
}
diff --git a/core/rawdb/freezer_reinit.go b/core/rawdb/freezer_reinit.go
deleted file mode 100644
index 6b9fb79..0000000
--- a/core/rawdb/freezer_reinit.go
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2019 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package rawdb
-
-import (
- "errors"
- "runtime"
- "sync/atomic"
- "time"
-
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/prque"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/log"
-)
-
-// InitDatabaseFromFreezer reinitializes an empty database from a previous batch
-// of frozen ancient blocks. The method iterates over all the frozen blocks and
-// injects into the database the block hash->number mappings and the transaction
-// lookup entries.
-func InitDatabaseFromFreezer(db ethdb.Database) error {
- // If we can't access the freezer or it's empty, abort
- frozen, err := db.Ancients()
- if err != nil || frozen == 0 {
- return err
- }
- // Blocks previously frozen, iterate over- and hash them concurrently
- var (
- number = ^uint64(0) // -1
- results = make(chan *types.Block, 4*runtime.NumCPU())
- )
- abort := make(chan struct{})
- defer close(abort)
-
- for i := 0; i < runtime.NumCPU(); i++ {
- go func() {
- for {
- // Fetch the next task number, terminating if everything's done
- n := atomic.AddUint64(&number, 1)
- if n >= frozen {
- return
- }
- // Retrieve the block from the freezer (no need for the hash, we pull by
- // number from the freezer). If successful, pre-cache the block hash and
- // the individual transaction hashes for storing into the database.
- block := ReadBlock(db, common.Hash{}, n)
- if block != nil {
- block.Hash()
- for _, tx := range block.Transactions() {
- tx.Hash()
- }
- }
- // Feed the block to the aggregator, or abort on interrupt
- select {
- case results <- block:
- case <-abort:
- return
- }
- }
- }()
- }
- // Reassemble the blocks into a contiguous stream and push them out to disk
- var (
- queue = prque.New(nil)
- next = int64(0)
-
- batch = db.NewBatch()
- start = time.Now()
- logged time.Time
- )
- for i := uint64(0); i < frozen; i++ {
- // Retrieve the next result and bail if it's nil
- block := <-results
- if block == nil {
- return errors.New("broken ancient database")
- }
- // Push the block into the import queue and process contiguous ranges
- queue.Push(block, -int64(block.NumberU64()))
- for !queue.Empty() {
- // If the next available item is gapped, return
- if _, priority := queue.Peek(); -priority != next {
- break
- }
- // Next block available, pop it off and index it
- block = queue.PopItem().(*types.Block)
- next++
-
- // Inject hash<->number mapping and txlookup indexes
- WriteHeaderNumber(batch, block.Hash(), block.NumberU64())
- WriteTxLookupEntries(batch, block)
-
- // If enough data was accumulated in memory or we're at the last block, dump to disk
- if batch.ValueSize() > ethdb.IdealBatchSize || uint64(next) == frozen {
- if err := batch.Write(); err != nil {
- return err
- }
- batch.Reset()
- }
- // If we've spent too much time already, notify the user of what we're doing
- if time.Since(logged) > 8*time.Second {
- log.Info("Initializing chain from ancient data", "number", block.Number(), "hash", block.Hash(), "total", frozen-1, "elapsed", common.PrettyDuration(time.Since(start)))
- logged = time.Now()
- }
- }
- }
- hash := ReadCanonicalHash(db, frozen-1)
- WriteHeadHeaderHash(db, hash)
- WriteHeadFastBlockHash(db, hash)
-
- log.Info("Initialized chain from ancient data", "number", frozen-1, "hash", hash, "elapsed", common.PrettyDuration(time.Since(start)))
- return nil
-}
diff --git a/core/rawdb/freezer_table.go b/core/rawdb/freezer_table.go
index fc72669..b9d8a27 100644
--- a/core/rawdb/freezer_table.go
+++ b/core/rawdb/freezer_table.go
@@ -26,9 +26,9 @@ import (
"sync"
"sync/atomic"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
"github.com/golang/snappy"
)
@@ -94,18 +94,18 @@ type freezerTable struct {
// to count how many historic items have gone missing.
itemOffset uint32 // Offset (number of discarded items)
- headBytes uint32 // Number of bytes written to the head file
- readMeter metrics.Meter // Meter for measuring the effective amount of data read
- writeMeter metrics.Meter // Meter for measuring the effective amount of data written
- sizeCounter metrics.Counter // Counter for tracking the combined size of all freezer tables
+ headBytes uint32 // Number of bytes written to the head file
+ readMeter metrics.Meter // Meter for measuring the effective amount of data read
+ writeMeter metrics.Meter // Meter for measuring the effective amount of data written
+ sizeGauge metrics.Gauge // Gauge for tracking the combined size of all freezer tables
logger log.Logger // Logger with database path and table name ambedded
lock sync.RWMutex // Mutex protecting the data file descriptors
}
// newTable opens a freezer table with default settings - 2G files
-func newTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, sizeCounter metrics.Counter, disableSnappy bool) (*freezerTable, error) {
- return newCustomTable(path, name, readMeter, writeMeter, sizeCounter, 2*1000*1000*1000, disableSnappy)
+func newTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, sizeGauge metrics.Gauge, disableSnappy bool) (*freezerTable, error) {
+ return newCustomTable(path, name, readMeter, writeMeter, sizeGauge, 2*1000*1000*1000, disableSnappy)
}
// openFreezerFileForAppend opens a freezer table file and seeks to the end
@@ -149,7 +149,7 @@ func truncateFreezerFile(file *os.File, size int64) error {
// newCustomTable opens a freezer table, creating the data and index files if they are
// non existent. Both files are truncated to the shortest common length to ensure
// they don't go out of sync.
-func newCustomTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, sizeCounter metrics.Counter, maxFilesize uint32, noCompression bool) (*freezerTable, error) {
+func newCustomTable(path string, name string, readMeter metrics.Meter, writeMeter metrics.Meter, sizeGauge metrics.Gauge, maxFilesize uint32, noCompression bool) (*freezerTable, error) {
// Ensure the containing directory exists and open the indexEntry file
if err := os.MkdirAll(path, 0755); err != nil {
return nil, err
@@ -172,7 +172,7 @@ func newCustomTable(path string, name string, readMeter metrics.Meter, writeMete
files: make(map[uint32]*os.File),
readMeter: readMeter,
writeMeter: writeMeter,
- sizeCounter: sizeCounter,
+ sizeGauge: sizeGauge,
name: name,
path: path,
logger: log.New("database", path, "table", name),
@@ -189,7 +189,7 @@ func newCustomTable(path string, name string, readMeter metrics.Meter, writeMete
tab.Close()
return nil, err
}
- tab.sizeCounter.Inc(int64(size))
+ tab.sizeGauge.Inc(int64(size))
return tab, nil
}
@@ -232,8 +232,8 @@ func (t *freezerTable) repair() error {
t.index.ReadAt(buffer, 0)
firstIndex.unmarshalBinary(buffer)
- t.tailId = firstIndex.offset
- t.itemOffset = firstIndex.filenum
+ t.tailId = firstIndex.filenum
+ t.itemOffset = firstIndex.offset
t.index.ReadAt(buffer, offsetsSize-indexEntrySize)
lastIndex.unmarshalBinary(buffer)
@@ -330,7 +330,8 @@ func (t *freezerTable) truncate(items uint64) error {
defer t.lock.Unlock()
// If our item count is correct, don't do anything
- if atomic.LoadUint64(&t.items) <= items {
+ existing := atomic.LoadUint64(&t.items)
+ if existing <= items {
return nil
}
// We need to truncate, save the old size for metrics tracking
@@ -339,7 +340,11 @@ func (t *freezerTable) truncate(items uint64) error {
return err
}
// Something's out of sync, truncate the table's offset index
- t.logger.Warn("Truncating freezer table", "items", t.items, "limit", items)
+ log := t.logger.Debug
+ if existing > items+1 {
+ log = t.logger.Warn // Only loud warn if we delete multiple items
+ }
+ log("Truncating freezer table", "items", existing, "limit", items)
if err := truncateFreezerFile(t.index, int64(items+1)*indexEntrySize); err != nil {
return err
}
@@ -378,7 +383,7 @@ func (t *freezerTable) truncate(items uint64) error {
if err != nil {
return err
}
- t.sizeCounter.Dec(int64(oldSize - newSize))
+ t.sizeGauge.Dec(int64(oldSize - newSize))
return nil
}
@@ -510,7 +515,7 @@ func (t *freezerTable) Append(item uint64, blob []byte) error {
t.index.Write(idx.marshallBinary())
t.writeMeter.Mark(int64(bLen + indexEntrySize))
- t.sizeCounter.Inc(int64(bLen + indexEntrySize))
+ t.sizeGauge.Inc(int64(bLen + indexEntrySize))
atomic.AddUint64(&t.items, 1)
return nil
@@ -519,16 +524,27 @@ func (t *freezerTable) Append(item uint64, blob []byte) error {
// getBounds returns the indexes for the item
// returns start, end, filenumber and error
func (t *freezerTable) getBounds(item uint64) (uint32, uint32, uint32, error) {
- var startIdx, endIdx indexEntry
buffer := make([]byte, indexEntrySize)
- if _, err := t.index.ReadAt(buffer, int64(item*indexEntrySize)); err != nil {
- return 0, 0, 0, err
- }
- startIdx.unmarshalBinary(buffer)
+ var startIdx, endIdx indexEntry
+ // Read second index
if _, err := t.index.ReadAt(buffer, int64((item+1)*indexEntrySize)); err != nil {
return 0, 0, 0, err
}
endIdx.unmarshalBinary(buffer)
+ // Read first index (unless it's the very first item)
+ if item != 0 {
+ if _, err := t.index.ReadAt(buffer, int64(item*indexEntrySize)); err != nil {
+ return 0, 0, 0, err
+ }
+ startIdx.unmarshalBinary(buffer)
+ } else {
+ // Special case if we're reading the first item in the freezer. We assume that
+ // the first item always start from zero(regarding the deletion, we
+ // only support deletion by files, so that the assumption is held).
+ // This means we can use the first item metadata to carry information about
+ // the 'global' offset, for the deletion-case
+ return 0, endIdx.offset, endIdx.filenum, nil
+ }
if startIdx.filenum != endIdx.filenum {
// If a piece of data 'crosses' a data-file,
// it's actually in one piece on the second data-file.
@@ -541,20 +557,22 @@ func (t *freezerTable) getBounds(item uint64) (uint32, uint32, uint32, error) {
// Retrieve looks up the data offset of an item with the given number and retrieves
// the raw binary blob from the data file.
func (t *freezerTable) Retrieve(item uint64) ([]byte, error) {
+ t.lock.RLock()
// Ensure the table and the item is accessible
if t.index == nil || t.head == nil {
+ t.lock.RUnlock()
return nil, errClosed
}
if atomic.LoadUint64(&t.items) <= item {
+ t.lock.RUnlock()
return nil, errOutOfBounds
}
// Ensure the item was not deleted from the tail either
- offset := atomic.LoadUint32(&t.itemOffset)
- if uint64(offset) > item {
+ if uint64(t.itemOffset) > item {
+ t.lock.RUnlock()
return nil, errOutOfBounds
}
- t.lock.RLock()
- startOffset, endOffset, filenum, err := t.getBounds(item - uint64(offset))
+ startOffset, endOffset, filenum, err := t.getBounds(item - uint64(t.itemOffset))
if err != nil {
t.lock.RUnlock()
return nil, err
diff --git a/core/rawdb/schema.go b/core/rawdb/schema.go
index 51d1f66..e2b093a 100644
--- a/core/rawdb/schema.go
+++ b/core/rawdb/schema.go
@@ -18,10 +18,11 @@
package rawdb
import (
+ "bytes"
"encoding/binary"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/metrics"
)
// The fields below define the low level database schema prefixing.
@@ -38,9 +39,24 @@ var (
// headFastBlockKey tracks the latest known incomplete block's hash during fast sync.
headFastBlockKey = []byte("LastFast")
+ // lastPivotKey tracks the last pivot block used by fast sync (to reenable on sethead).
+ lastPivotKey = []byte("LastPivot")
+
// fastTrieProgressKey tracks the number of trie entries imported during fast sync.
fastTrieProgressKey = []byte("TrieSync")
+ // snapshotRootKey tracks the hash of the last snapshot.
+ snapshotRootKey = []byte("SnapshotRoot")
+
+ // snapshotJournalKey tracks the in-memory diff layers across restarts.
+ snapshotJournalKey = []byte("SnapshotJournal")
+
+ // txIndexTailKey tracks the oldest block whose transactions have been indexed.
+ txIndexTailKey = []byte("TransactionIndexTail")
+
+ // fastTxLookupLimitKey tracks the transaction lookup limit during fast sync.
+ fastTxLookupLimitKey = []byte("FastTransactionLookupLimit")
+
// Data item prefixes (use single byte to avoid mixing data types, avoid `i`, used for indexes).
headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header
headerTDSuffix = []byte("t") // headerPrefix + num (uint64 big endian) + hash + headerTDSuffix -> td
@@ -50,8 +66,11 @@ var (
blockBodyPrefix = []byte("b") // blockBodyPrefix + num (uint64 big endian) + hash -> block body
blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts
- txLookupPrefix = []byte("l") // txLookupPrefix + hash -> transaction/receipt lookup metadata
- bloomBitsPrefix = []byte("B") // bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash -> bloom bits
+ txLookupPrefix = []byte("l") // txLookupPrefix + hash -> transaction/receipt lookup metadata
+ bloomBitsPrefix = []byte("B") // bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash -> bloom bits
+ SnapshotAccountPrefix = []byte("a") // SnapshotAccountPrefix + account hash -> account trie value
+ SnapshotStoragePrefix = []byte("o") // SnapshotStoragePrefix + account hash + storage hash -> storage trie value
+ codePrefix = []byte("c") // codePrefix + code hash -> account code
preimagePrefix = []byte("secure-key-") // preimagePrefix + hash -> preimage
configPrefix = []byte("ethereum-config-") // config prefix for the db
@@ -145,6 +164,21 @@ func txLookupKey(hash common.Hash) []byte {
return append(txLookupPrefix, hash.Bytes()...)
}
+// accountSnapshotKey = SnapshotAccountPrefix + hash
+func accountSnapshotKey(hash common.Hash) []byte {
+ return append(SnapshotAccountPrefix, hash.Bytes()...)
+}
+
+// storageSnapshotKey = SnapshotStoragePrefix + account hash + storage hash
+func storageSnapshotKey(accountHash, storageHash common.Hash) []byte {
+ return append(append(SnapshotStoragePrefix, accountHash.Bytes()...), storageHash.Bytes()...)
+}
+
+// storageSnapshotsKey = SnapshotStoragePrefix + account hash + storage hash
+func storageSnapshotsKey(accountHash common.Hash) []byte {
+ return append(SnapshotStoragePrefix, accountHash.Bytes()...)
+}
+
// bloomBitsKey = bloomBitsPrefix + bit (uint16 big endian) + section (uint64 big endian) + hash
func bloomBitsKey(bit uint, section uint64, hash common.Hash) []byte {
key := append(append(bloomBitsPrefix, make([]byte, 10)...), hash.Bytes()...)
@@ -160,6 +194,20 @@ func preimageKey(hash common.Hash) []byte {
return append(preimagePrefix, hash.Bytes()...)
}
+// codeKey = codePrefix + hash
+func codeKey(hash common.Hash) []byte {
+ return append(codePrefix, hash.Bytes()...)
+}
+
+// IsCodeKey reports whether the given byte slice is the key of contract code,
+// if so return the raw code hash as well.
+func IsCodeKey(key []byte) (bool, []byte) {
+ if bytes.HasPrefix(key, codePrefix) && len(key) == common.HashLength+len(codePrefix) {
+ return true, key[len(codePrefix):]
+ }
+ return false, nil
+}
+
// configKey = configPrefix + hash
func configKey(hash common.Hash) []byte {
return append(configPrefix, hash.Bytes()...)
diff --git a/core/rawdb/table.go b/core/rawdb/table.go
index f9078e8..323ef62 100644
--- a/core/rawdb/table.go
+++ b/core/rawdb/table.go
@@ -17,7 +17,7 @@
package rawdb
import (
- "github.com/ava-labs/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/ethdb"
)
// table is a wrapper around a database that prefixes each key access with a pre-
@@ -103,23 +103,16 @@ func (t *table) Delete(key []byte) error {
return t.db.Delete(append([]byte(t.prefix), key...))
}
-// NewIterator creates a binary-alphabetical iterator over the entire keyspace
-// contained within the database.
-func (t *table) NewIterator() ethdb.Iterator {
- return t.NewIteratorWithPrefix(nil)
-}
-
-// NewIteratorWithStart creates a binary-alphabetical iterator over a subset of
-// database content starting at a particular initial key (or after, if it does
-// not exist).
-func (t *table) NewIteratorWithStart(start []byte) ethdb.Iterator {
- return t.db.NewIteratorWithStart(start)
-}
-
-// NewIteratorWithPrefix creates a binary-alphabetical iterator over a subset
-// of database content with a particular key prefix.
-func (t *table) NewIteratorWithPrefix(prefix []byte) ethdb.Iterator {
- return t.db.NewIteratorWithPrefix(append([]byte(t.prefix), prefix...))
+// NewIterator creates a binary-alphabetical iterator over a subset
+// of database content with a particular key prefix, starting at a particular
+// initial key (or after, if it does not exist).
+func (t *table) NewIterator(prefix []byte, start []byte) ethdb.Iterator {
+ innerPrefix := append([]byte(t.prefix), prefix...)
+ iter := t.db.NewIterator(innerPrefix, start)
+ return &tableIterator{
+ iter: iter,
+ prefix: t.prefix,
+ }
}
// Stat returns a particular internal stat of the database.
@@ -198,7 +191,69 @@ func (b *tableBatch) Reset() {
b.batch.Reset()
}
+// tableReplayer is a wrapper around a batch replayer which truncates
+// the added prefix.
+type tableReplayer struct {
+ w ethdb.KeyValueWriter
+ prefix string
+}
+
+// Put implements the interface KeyValueWriter.
+func (r *tableReplayer) Put(key []byte, value []byte) error {
+ trimmed := key[len(r.prefix):]
+ return r.w.Put(trimmed, value)
+}
+
+// Delete implements the interface KeyValueWriter.
+func (r *tableReplayer) Delete(key []byte) error {
+ trimmed := key[len(r.prefix):]
+ return r.w.Delete(trimmed)
+}
+
// Replay replays the batch contents.
func (b *tableBatch) Replay(w ethdb.KeyValueWriter) error {
- return b.batch.Replay(w)
+ return b.batch.Replay(&tableReplayer{w: w, prefix: b.prefix})
+}
+
+// tableIterator is a wrapper around a database iterator that prefixes each key access
+// with a pre-configured string.
+type tableIterator struct {
+ iter ethdb.Iterator
+ prefix string
+}
+
+// Next moves the iterator to the next key/value pair. It returns whether the
+// iterator is exhausted.
+func (iter *tableIterator) Next() bool {
+ return iter.iter.Next()
+}
+
+// Error returns any accumulated error. Exhausting all the key/value pairs
+// is not considered to be an error.
+func (iter *tableIterator) Error() error {
+ return iter.iter.Error()
+}
+
+// Key returns the key of the current key/value pair, or nil if done. The caller
+// should not modify the contents of the returned slice, and its contents may
+// change on the next call to Next.
+func (iter *tableIterator) Key() []byte {
+ key := iter.iter.Key()
+ if key == nil {
+ return nil
+ }
+ return key[len(iter.prefix):]
+}
+
+// Value returns the value of the current key/value pair, or nil if done. The
+// caller should not modify the contents of the returned slice, and its contents
+// may change on the next call to Next.
+func (iter *tableIterator) Value() []byte {
+ return iter.iter.Value()
+}
+
+// Release releases associated resources. Release should always succeed and can
+// be called multiple times without causing error.
+func (iter *tableIterator) Release() {
+ iter.iter.Release()
}
diff --git a/core/state/database.go b/core/state/database.go
index 8c641c3..385c25d 100644
--- a/core/state/database.go
+++ b/core/state/database.go
@@ -17,17 +17,23 @@
package state
import (
+ "errors"
"fmt"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/VictoriaMetrics/fastcache"
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/trie"
lru "github.com/hashicorp/golang-lru"
)
const (
// Number of codehash->size associations to keep.
codeSizeCacheSize = 100000
+
+ // Cache size granted for caching clean code.
+ codeCacheSize = 64 * 1024 * 1024
)
// Database wraps access to tries and contract code.
@@ -100,23 +106,25 @@ type Trie interface {
// concurrent use, but does not retain any recent trie nodes in memory. To keep some
// historical state in memory, use the NewDatabaseWithCache constructor.
func NewDatabase(db ethdb.Database) Database {
- return NewDatabaseWithCache(db, 0)
+ return NewDatabaseWithCache(db, 0, "")
}
// NewDatabaseWithCache creates a backing store for state. The returned database
// is safe for concurrent use and retains a lot of collapsed RLP trie nodes in a
// large memory cache.
-func NewDatabaseWithCache(db ethdb.Database, cache int) Database {
+func NewDatabaseWithCache(db ethdb.Database, cache int, journal string) Database {
csc, _ := lru.New(codeSizeCacheSize)
return &cachingDB{
- db: trie.NewDatabaseWithCache(db, cache),
+ db: trie.NewDatabaseWithCache(db, cache, journal),
codeSizeCache: csc,
+ codeCache: fastcache.New(codeCacheSize),
}
}
type cachingDB struct {
db *trie.Database
codeSizeCache *lru.Cache
+ codeCache *fastcache.Cache
}
// OpenTrie opens the main account trie at a specific root hash.
@@ -141,11 +149,32 @@ func (db *cachingDB) CopyTrie(t Trie) Trie {
// ContractCode retrieves a particular contract's code.
func (db *cachingDB) ContractCode(addrHash, codeHash common.Hash) ([]byte, error) {
- code, err := db.db.Node(codeHash)
- if err == nil {
+ if code := db.codeCache.Get(nil, codeHash.Bytes()); len(code) > 0 {
+ return code, nil
+ }
+ code := rawdb.ReadCode(db.db.DiskDB(), codeHash)
+ if len(code) > 0 {
+ db.codeCache.Set(codeHash.Bytes(), code)
+ db.codeSizeCache.Add(codeHash, len(code))
+ return code, nil
+ }
+ return nil, errors.New("not found")
+}
+
+// ContractCodeWithPrefix retrieves a particular contract's code. If the
+// code can't be found in the cache, then check the existence with **new**
+// db scheme.
+func (db *cachingDB) ContractCodeWithPrefix(addrHash, codeHash common.Hash) ([]byte, error) {
+ if code := db.codeCache.Get(nil, codeHash.Bytes()); len(code) > 0 {
+ return code, nil
+ }
+ code := rawdb.ReadCodeWithPrefix(db.db.DiskDB(), codeHash)
+ if len(code) > 0 {
+ db.codeCache.Set(codeHash.Bytes(), code)
db.codeSizeCache.Add(codeHash, len(code))
+ return code, nil
}
- return code, err
+ return nil, errors.New("not found")
}
// ContractCodeSize retrieves a particular contracts code's size.
diff --git a/core/state/dump.go b/core/state/dump.go
index 91c7d08..6f09398 100644
--- a/core/state/dump.go
+++ b/core/state/dump.go
@@ -20,90 +20,119 @@ import (
"encoding/json"
"fmt"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
-// DumpAccount represents an account in the state
+// DumpCollector interface which the state trie calls during iteration
+type DumpCollector interface {
+ // OnRoot is called with the state root
+ OnRoot(common.Hash)
+ // OnAccount is called once for each account in the trie
+ OnAccount(common.Address, DumpAccount)
+}
+
+// DumpAccount represents an account in the state.
type DumpAccount struct {
- Balance string `json:"balance"`
- Nonce uint64 `json:"nonce"`
- Root string `json:"root"`
- CodeHash string `json:"codeHash"`
- Code string `json:"code,omitempty"`
- Storage map[common.Hash]string `json:"storage,omitempty"`
- Address *common.Address `json:"address,omitempty"` // Address only present in iterative (line-by-line) mode
- SecureKey hexutil.Bytes `json:"key,omitempty"` // If we don't have address, we can output the key
+ Balance string `json:"balance"`
+ Nonce uint64 `json:"nonce"`
+ Root string `json:"root"`
+ CodeHash string `json:"codeHash"`
+ IsMultiCoin bool `json:"isMultiCoin"`
+ Code string `json:"code,omitempty"`
+ Storage map[common.Hash]string `json:"storage,omitempty"`
+ Address *common.Address `json:"address,omitempty"` // Address only present in iterative (line-by-line) mode
+ SecureKey hexutil.Bytes `json:"key,omitempty"` // If we don't have address, we can output the key
}
-// Dump represents the full dump in a collected format, as one large map
+// Dump represents the full dump in a collected format, as one large map.
type Dump struct {
Root string `json:"root"`
Accounts map[common.Address]DumpAccount `json:"accounts"`
}
-// iterativeDump is a 'collector'-implementation which dump output line-by-line iteratively
-type iterativeDump json.Encoder
+// OnRoot implements DumpCollector interface
+func (d *Dump) OnRoot(root common.Hash) {
+ d.Root = fmt.Sprintf("%x", root)
+}
+
+// OnAccount implements DumpCollector interface
+func (d *Dump) OnAccount(addr common.Address, account DumpAccount) {
+ d.Accounts[addr] = account
+}
+
+// IteratorDump is an implementation for iterating over data.
+type IteratorDump struct {
+ Root string `json:"root"`
+ Accounts map[common.Address]DumpAccount `json:"accounts"`
+ Next []byte `json:"next,omitempty"` // nil if no more accounts
+}
-// Collector interface which the state trie calls during iteration
-type collector interface {
- onRoot(common.Hash)
- onAccount(common.Address, DumpAccount)
+// OnRoot implements DumpCollector interface
+func (d *IteratorDump) OnRoot(root common.Hash) {
+ d.Root = fmt.Sprintf("%x", root)
}
-func (self *Dump) onRoot(root common.Hash) {
- self.Root = fmt.Sprintf("%x", root)
+// OnAccount implements DumpCollector interface
+func (d *IteratorDump) OnAccount(addr common.Address, account DumpAccount) {
+ d.Accounts[addr] = account
}
-func (self *Dump) onAccount(addr common.Address, account DumpAccount) {
- self.Accounts[addr] = account
+// iterativeDump is a DumpCollector-implementation which dumps output line-by-line iteratively.
+type iterativeDump struct {
+ *json.Encoder
}
-func (self iterativeDump) onAccount(addr common.Address, account DumpAccount) {
+// OnAccount implements DumpCollector interface
+func (d iterativeDump) OnAccount(addr common.Address, account DumpAccount) {
dumpAccount := &DumpAccount{
- Balance: account.Balance,
- Nonce: account.Nonce,
- Root: account.Root,
- CodeHash: account.CodeHash,
- Code: account.Code,
- Storage: account.Storage,
- SecureKey: account.SecureKey,
- Address: nil,
+ Balance: account.Balance,
+ Nonce: account.Nonce,
+ Root: account.Root,
+ CodeHash: account.CodeHash,
+ IsMultiCoin: account.IsMultiCoin,
+ Code: account.Code,
+ Storage: account.Storage,
+ SecureKey: account.SecureKey,
+ Address: nil,
}
if addr != (common.Address{}) {
dumpAccount.Address = &addr
}
- (*json.Encoder)(&self).Encode(dumpAccount)
+ d.Encode(dumpAccount)
}
-func (self iterativeDump) onRoot(root common.Hash) {
- (*json.Encoder)(&self).Encode(struct {
+
+// OnRoot implements DumpCollector interface
+func (d iterativeDump) OnRoot(root common.Hash) {
+ d.Encode(struct {
Root common.Hash `json:"root"`
}{root})
}
-func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissingPreimages bool) {
- emptyAddress := (common.Address{})
+func (s *StateDB) DumpToCollector(c DumpCollector, excludeCode, excludeStorage, excludeMissingPreimages bool, start []byte, maxResults int) (nextKey []byte) {
missingPreimages := 0
- c.onRoot(self.trie.Hash())
- it := trie.NewIterator(self.trie.NodeIterator(nil))
+ c.OnRoot(s.trie.Hash())
+
+ var count int
+ it := trie.NewIterator(s.trie.NodeIterator(start))
for it.Next() {
var data Account
if err := rlp.DecodeBytes(it.Value, &data); err != nil {
panic(err)
}
- addr := common.BytesToAddress(self.trie.GetKey(it.Key))
- obj := newObject(nil, addr, data)
account := DumpAccount{
- Balance: data.Balance.String(),
- Nonce: data.Nonce,
- Root: common.Bytes2Hex(data.Root[:]),
- CodeHash: common.Bytes2Hex(data.CodeHash),
+ Balance: data.Balance.String(),
+ Nonce: data.Nonce,
+ Root: common.Bytes2Hex(data.Root[:]),
+ CodeHash: common.Bytes2Hex(data.CodeHash),
+ IsMultiCoin: data.IsMultiCoin,
}
- if emptyAddress == addr {
+ addrBytes := s.trie.GetKey(it.Key)
+ if addrBytes == nil {
// Preimage missing
missingPreimages++
if excludeMissingPreimages {
@@ -111,48 +140,68 @@ func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissi
}
account.SecureKey = it.Key
}
+ addr := common.BytesToAddress(addrBytes)
+ obj := newObject(nil, addr, data)
if !excludeCode {
- account.Code = common.Bytes2Hex(obj.Code(self.db))
+ account.Code = common.Bytes2Hex(obj.Code(s.db))
}
if !excludeStorage {
account.Storage = make(map[common.Hash]string)
- storageIt := trie.NewIterator(obj.getTrie(self.db).NodeIterator(nil))
+ storageIt := trie.NewIterator(obj.getTrie(s.db).NodeIterator(nil))
for storageIt.Next() {
_, content, _, err := rlp.Split(storageIt.Value)
if err != nil {
log.Error("Failed to decode the value returned by iterator", "error", err)
continue
}
- account.Storage[common.BytesToHash(self.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(content)
+ account.Storage[common.BytesToHash(s.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(content)
+ }
+ }
+ c.OnAccount(addr, account)
+ count++
+ if maxResults > 0 && count >= maxResults {
+ if it.Next() {
+ nextKey = it.Key
}
+ break
}
- c.onAccount(addr, account)
}
if missingPreimages > 0 {
log.Warn("Dump incomplete due to missing preimages", "missing", missingPreimages)
}
+
+ return nextKey
}
// RawDump returns the entire state an a single large object
-func (self *StateDB) RawDump(excludeCode, excludeStorage, excludeMissingPreimages bool) Dump {
+func (s *StateDB) RawDump(excludeCode, excludeStorage, excludeMissingPreimages bool) Dump {
dump := &Dump{
Accounts: make(map[common.Address]DumpAccount),
}
- self.dump(dump, excludeCode, excludeStorage, excludeMissingPreimages)
+ s.DumpToCollector(dump, excludeCode, excludeStorage, excludeMissingPreimages, nil, 0)
return *dump
}
// Dump returns a JSON string representing the entire state as a single json-object
-func (self *StateDB) Dump(excludeCode, excludeStorage, excludeMissingPreimages bool) []byte {
- dump := self.RawDump(excludeCode, excludeStorage, excludeMissingPreimages)
+func (s *StateDB) Dump(excludeCode, excludeStorage, excludeMissingPreimages bool) []byte {
+ dump := s.RawDump(excludeCode, excludeStorage, excludeMissingPreimages)
json, err := json.MarshalIndent(dump, "", " ")
if err != nil {
- fmt.Println("dump err", err)
+ fmt.Println("Dump err", err)
}
return json
}
// IterativeDump dumps out accounts as json-objects, delimited by linebreaks on stdout
-func (self *StateDB) IterativeDump(excludeCode, excludeStorage, excludeMissingPreimages bool, output *json.Encoder) {
- self.dump(iterativeDump(*output), excludeCode, excludeStorage, excludeMissingPreimages)
+func (s *StateDB) IterativeDump(excludeCode, excludeStorage, excludeMissingPreimages bool, output *json.Encoder) {
+ s.DumpToCollector(iterativeDump{output}, excludeCode, excludeStorage, excludeMissingPreimages, nil, 0)
+}
+
+// IteratorDump dumps out a batch of accounts starts with the given start key
+func (s *StateDB) IteratorDump(excludeCode, excludeStorage, excludeMissingPreimages bool, start []byte, maxResults int) IteratorDump {
+ iterator := &IteratorDump{
+ Accounts: make(map[common.Address]DumpAccount),
+ }
+ iterator.Next = s.DumpToCollector(iterator, excludeCode, excludeStorage, excludeMissingPreimages, start, maxResults)
+ return *iterator
}
diff --git a/core/state/iterator.go b/core/state/iterator.go
index c6d2a48..6a5c73d 100644
--- a/core/state/iterator.go
+++ b/core/state/iterator.go
@@ -20,9 +20,9 @@ import (
"bytes"
"fmt"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
// NodeIterator is an iterator to traverse the entire state trie post-order,
diff --git a/core/state/journal.go b/core/state/journal.go
index 6e85173..0cc556b 100644
--- a/core/state/journal.go
+++ b/core/state/journal.go
@@ -19,7 +19,7 @@ package state
import (
"math/big"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// journalEntry is a modification entry in the state change journal that can be
@@ -90,7 +90,8 @@ type (
account *common.Address
}
resetObjectChange struct {
- prev *stateObject
+ prev *stateObject
+ prevdestruct bool
}
suicideChange struct {
account *common.Address
@@ -130,9 +131,7 @@ type (
hash common.Hash
}
touchChange struct {
- account *common.Address
- prev bool
- prevDirty bool
+ account *common.Address
}
)
@@ -147,6 +146,9 @@ func (ch createObjectChange) dirtied() *common.Address {
func (ch resetObjectChange) revert(s *StateDB) {
s.setStateObject(ch.prev)
+ if !ch.prevdestruct && s.snap != nil {
+ delete(s.snapDestructs, ch.prev.addrHash)
+ }
}
func (ch resetObjectChange) dirtied() *common.Address {
diff --git a/core/state/snapshot/account.go b/core/state/snapshot/account.go
new file mode 100644
index 0000000..303c2fc
--- /dev/null
+++ b/core/state/snapshot/account.go
@@ -0,0 +1,88 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "math/big"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
+)
+
+// Account is a modified version of a state.Account, where the root is replaced
+// with a byte slice. This format can be used to represent full-consensus format
+// or slim-snapshot format which replaces the empty root and code hash as nil
+// byte slice.
+type Account struct {
+ Nonce uint64
+ Balance *big.Int
+ Root []byte
+ CodeHash []byte
+ IsMultiCoin bool
+}
+
+// SlimAccount converts a state.Account content into a slim snapshot account
+func SlimAccount(nonce uint64, balance *big.Int, root common.Hash, codehash []byte, isMultiCoin bool) Account {
+ slim := Account{
+ Nonce: nonce,
+ Balance: balance,
+ IsMultiCoin: isMultiCoin,
+ }
+ if root != emptyRoot {
+ slim.Root = root[:]
+ }
+ if !bytes.Equal(codehash, emptyCode[:]) {
+ slim.CodeHash = codehash
+ }
+ return slim
+}
+
+// SlimAccountRLP converts a state.Account content into a slim snapshot
+// version RLP encoded.
+func SlimAccountRLP(nonce uint64, balance *big.Int, root common.Hash, codehash []byte, isMultiCoin bool) []byte {
+ data, err := rlp.EncodeToBytes(SlimAccount(nonce, balance, root, codehash, isMultiCoin))
+ if err != nil {
+ panic(err)
+ }
+ return data
+}
+
+// FullAccount decodes the data on the 'slim RLP' format and return
+// the consensus format account.
+func FullAccount(data []byte) (Account, error) {
+ var account Account
+ if err := rlp.DecodeBytes(data, &account); err != nil {
+ return Account{}, err
+ }
+ if len(account.Root) == 0 {
+ account.Root = emptyRoot[:]
+ }
+ if len(account.CodeHash) == 0 {
+ account.CodeHash = emptyCode[:]
+ }
+ return account, nil
+}
+
+// FullAccountRLP converts data on the 'slim RLP' format into the full RLP-format.
+func FullAccountRLP(data []byte) ([]byte, error) {
+ account, err := FullAccount(data)
+ if err != nil {
+ return nil, err
+ }
+ return rlp.EncodeToBytes(account)
+}
diff --git a/core/state/snapshot/conversion.go b/core/state/snapshot/conversion.go
new file mode 100644
index 0000000..dee9ff0
--- /dev/null
+++ b/core/state/snapshot/conversion.go
@@ -0,0 +1,275 @@
+// Copyright 2020 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "fmt"
+ "sync"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb/memorydb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
+)
+
+// trieKV represents a trie key-value pair
+type trieKV struct {
+ key common.Hash
+ value []byte
+}
+
+type (
+ // trieGeneratorFn is the interface of trie generation which can
+ // be implemented by different trie algorithm.
+ trieGeneratorFn func(in chan (trieKV), out chan (common.Hash))
+
+ // leafCallbackFn is the callback invoked at the leaves of the trie,
+ // returns the subtrie root with the specified subtrie identifier.
+ leafCallbackFn func(hash common.Hash, stat *generateStats) common.Hash
+)
+
+// GenerateAccountTrieRoot takes an account iterator and reproduces the root hash.
+func GenerateAccountTrieRoot(it AccountIterator) (common.Hash, error) {
+ return generateTrieRoot(it, common.Hash{}, stdGenerate, nil, &generateStats{start: time.Now()}, true)
+}
+
+// GenerateStorageTrieRoot takes a storage iterator and reproduces the root hash.
+func GenerateStorageTrieRoot(account common.Hash, it StorageIterator) (common.Hash, error) {
+ return generateTrieRoot(it, account, stdGenerate, nil, &generateStats{start: time.Now()}, true)
+}
+
+// VerifyState takes the whole snapshot tree as the input, traverses all the accounts
+// as well as the corresponding storages and compares the re-computed hash with the
+// original one(state root and the storage root).
+func VerifyState(snaptree *Tree, root common.Hash) error {
+ acctIt, err := snaptree.AccountIterator(root, common.Hash{})
+ if err != nil {
+ return err
+ }
+ defer acctIt.Release()
+
+ got, err := generateTrieRoot(acctIt, common.Hash{}, stdGenerate, func(account common.Hash, stat *generateStats) common.Hash {
+ storageIt, err := snaptree.StorageIterator(root, account, common.Hash{})
+ if err != nil {
+ return common.Hash{}
+ }
+ defer storageIt.Release()
+
+ hash, err := generateTrieRoot(storageIt, account, stdGenerate, nil, stat, false)
+ if err != nil {
+ return common.Hash{}
+ }
+ return hash
+ }, &generateStats{start: time.Now()}, true)
+
+ if err != nil {
+ return err
+ }
+ if got != root {
+ return fmt.Errorf("state root hash mismatch: got %x, want %x", got, root)
+ }
+ return nil
+}
+
+// generateStats is a collection of statistics gathered by the trie generator
+// for logging purposes.
+type generateStats struct {
+ accounts uint64
+ slots uint64
+ curAccount common.Hash
+ curSlot common.Hash
+ start time.Time
+ lock sync.RWMutex
+}
+
+// progress records the progress trie generator made recently.
+func (stat *generateStats) progress(accounts, slots uint64, curAccount common.Hash, curSlot common.Hash) {
+ stat.lock.Lock()
+ defer stat.lock.Unlock()
+
+ stat.accounts += accounts
+ stat.slots += slots
+ stat.curAccount = curAccount
+ stat.curSlot = curSlot
+}
+
+// report prints the cumulative progress statistic smartly.
+func (stat *generateStats) report() {
+ stat.lock.RLock()
+ defer stat.lock.RUnlock()
+
+ var ctx []interface{}
+ if stat.curSlot != (common.Hash{}) {
+ ctx = append(ctx, []interface{}{
+ "in", stat.curAccount,
+ "at", stat.curSlot,
+ }...)
+ } else {
+ ctx = append(ctx, []interface{}{"at", stat.curAccount}...)
+ }
+ // Add the usual measurements
+ ctx = append(ctx, []interface{}{"accounts", stat.accounts}...)
+ if stat.slots != 0 {
+ ctx = append(ctx, []interface{}{"slots", stat.slots}...)
+ }
+ ctx = append(ctx, []interface{}{"elapsed", common.PrettyDuration(time.Since(stat.start))}...)
+ log.Info("Generating trie hash from snapshot", ctx...)
+}
+
+// reportDone prints the last log when the whole generation is finished.
+func (stat *generateStats) reportDone() {
+ stat.lock.RLock()
+ defer stat.lock.RUnlock()
+
+ var ctx []interface{}
+ ctx = append(ctx, []interface{}{"accounts", stat.accounts}...)
+ if stat.slots != 0 {
+ ctx = append(ctx, []interface{}{"slots", stat.slots}...)
+ }
+ ctx = append(ctx, []interface{}{"elapsed", common.PrettyDuration(time.Since(stat.start))}...)
+ log.Info("Generated trie hash from snapshot", ctx...)
+}
+
+// generateTrieRoot generates the trie hash based on the snapshot iterator.
+// It can be used for generating account trie, storage trie or even the
+// whole state which connects the accounts and the corresponding storages.
+func generateTrieRoot(it Iterator, account common.Hash, generatorFn trieGeneratorFn, leafCallback leafCallbackFn, stats *generateStats, report bool) (common.Hash, error) {
+ var (
+ in = make(chan trieKV) // chan to pass leaves
+ out = make(chan common.Hash, 1) // chan to collect result
+ stoplog = make(chan bool, 1) // 1-size buffer, works when logging is not enabled
+ wg sync.WaitGroup
+ )
+ // Spin up a go-routine for trie hash re-generation
+ wg.Add(1)
+ go func() {
+ defer wg.Done()
+ generatorFn(in, out)
+ }()
+
+ // Spin up a go-routine for progress logging
+ if report && stats != nil {
+ wg.Add(1)
+ go func() {
+ defer wg.Done()
+
+ timer := time.NewTimer(0)
+ defer timer.Stop()
+
+ for {
+ select {
+ case <-timer.C:
+ stats.report()
+ timer.Reset(time.Second * 8)
+ case success := <-stoplog:
+ if success {
+ stats.reportDone()
+ }
+ return
+ }
+ }
+ }()
+ }
+ // stop is a helper function to shutdown the background threads
+ // and return the re-generated trie hash.
+ stop := func(success bool) common.Hash {
+ close(in)
+ result := <-out
+ stoplog <- success
+ wg.Wait()
+ return result
+ }
+ var (
+ logged = time.Now()
+ processed = uint64(0)
+ leaf trieKV
+ last common.Hash
+ )
+ // Start to feed leaves
+ for it.Next() {
+ if account == (common.Hash{}) {
+ var (
+ err error
+ fullData []byte
+ )
+ if leafCallback == nil {
+ fullData, err = FullAccountRLP(it.(AccountIterator).Account())
+ if err != nil {
+ stop(false)
+ return common.Hash{}, err
+ }
+ } else {
+ account, err := FullAccount(it.(AccountIterator).Account())
+ if err != nil {
+ stop(false)
+ return common.Hash{}, err
+ }
+ // Apply the leaf callback. Normally the callback is used to traverse
+ // the storage trie and re-generate the subtrie root.
+ subroot := leafCallback(it.Hash(), stats)
+ if !bytes.Equal(account.Root, subroot.Bytes()) {
+ stop(false)
+ return common.Hash{}, fmt.Errorf("invalid subroot(%x), want %x, got %x", it.Hash(), account.Root, subroot)
+ }
+ fullData, err = rlp.EncodeToBytes(account)
+ if err != nil {
+ stop(false)
+ return common.Hash{}, err
+ }
+ }
+ leaf = trieKV{it.Hash(), fullData}
+ } else {
+ leaf = trieKV{it.Hash(), common.CopyBytes(it.(StorageIterator).Slot())}
+ }
+ in <- leaf
+
+ // Accumulate the generaation statistic if it's required.
+ processed++
+ if time.Since(logged) > 3*time.Second && stats != nil {
+ if account == (common.Hash{}) {
+ stats.progress(processed, 0, it.Hash(), common.Hash{})
+ } else {
+ stats.progress(0, processed, account, it.Hash())
+ }
+ logged, processed = time.Now(), 0
+ }
+ last = it.Hash()
+ }
+ // Commit the last part statistic.
+ if processed > 0 && stats != nil {
+ if account == (common.Hash{}) {
+ stats.progress(processed, 0, last, common.Hash{})
+ } else {
+ stats.progress(0, processed, account, last)
+ }
+ }
+ result := stop(true)
+ return result, nil
+}
+
+// stdGenerate is a very basic hexary trie builder which uses the same Trie
+// as the rest of geth, with no enhancements or optimizations
+func stdGenerate(in chan (trieKV), out chan (common.Hash)) {
+ t, _ := trie.New(common.Hash{}, trie.NewDatabase(memorydb.New()))
+ for leaf := range in {
+ t.TryUpdate(leaf.key[:], leaf.value)
+ }
+ out <- t.Hash()
+}
diff --git a/core/state/snapshot/difflayer.go b/core/state/snapshot/difflayer.go
new file mode 100644
index 0000000..0aef6cf
--- /dev/null
+++ b/core/state/snapshot/difflayer.go
@@ -0,0 +1,553 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "encoding/binary"
+ "fmt"
+ "math"
+ "math/rand"
+ "sort"
+ "sync"
+ "sync/atomic"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/steakknife/bloomfilter"
+)
+
+var (
+ // aggregatorMemoryLimit is the maximum size of the bottom-most diff layer
+ // that aggregates the writes from above until it's flushed into the disk
+ // layer.
+ //
+ // Note, bumping this up might drastically increase the size of the bloom
+ // filters that's stored in every diff layer. Don't do that without fully
+ // understanding all the implications.
+ aggregatorMemoryLimit = uint64(4 * 1024 * 1024)
+
+ // aggregatorItemLimit is an approximate number of items that will end up
+ // in the agregator layer before it's flushed out to disk. A plain account
+ // weighs around 14B (+hash), a storage slot 32B (+hash), a deleted slot
+ // 0B (+hash). Slots are mostly set/unset in lockstep, so thet average at
+ // 16B (+hash). All in all, the average entry seems to be 15+32=47B. Use a
+ // smaller number to be on the safe side.
+ aggregatorItemLimit = aggregatorMemoryLimit / 42
+
+ // bloomTargetError is the target false positive rate when the aggregator
+ // layer is at its fullest. The actual value will probably move around up
+ // and down from this number, it's mostly a ballpark figure.
+ //
+ // Note, dropping this down might drastically increase the size of the bloom
+ // filters that's stored in every diff layer. Don't do that without fully
+ // understanding all the implications.
+ bloomTargetError = 0.02
+
+ // bloomSize is the ideal bloom filter size given the maximum number of items
+ // it's expected to hold and the target false positive error rate.
+ bloomSize = math.Ceil(float64(aggregatorItemLimit) * math.Log(bloomTargetError) / math.Log(1/math.Pow(2, math.Log(2))))
+
+ // bloomFuncs is the ideal number of bits a single entry should set in the
+ // bloom filter to keep its size to a minimum (given it's size and maximum
+ // entry count).
+ bloomFuncs = math.Round((bloomSize / float64(aggregatorItemLimit)) * math.Log(2))
+
+ // the bloom offsets are runtime constants which determines which part of the
+ // the account/storage hash the hasher functions looks at, to determine the
+ // bloom key for an account/slot. This is randomized at init(), so that the
+ // global population of nodes do not all display the exact same behaviour with
+ // regards to bloom content
+ bloomDestructHasherOffset = 0
+ bloomAccountHasherOffset = 0
+ bloomStorageHasherOffset = 0
+)
+
+func init() {
+ // Init the bloom offsets in the range [0:24] (requires 8 bytes)
+ bloomDestructHasherOffset = rand.Intn(25)
+ bloomAccountHasherOffset = rand.Intn(25)
+ bloomStorageHasherOffset = rand.Intn(25)
+
+ // The destruct and account blooms must be different, as the storage slots
+ // will check for destruction too for every bloom miss. It should not collide
+ // with modified accounts.
+ for bloomAccountHasherOffset == bloomDestructHasherOffset {
+ bloomAccountHasherOffset = rand.Intn(25)
+ }
+}
+
+// diffLayer represents a collection of modifications made to a state snapshot
+// after running a block on top. It contains one sorted list for the account trie
+// and one-one list for each storage tries.
+//
+// The goal of a diff layer is to act as a journal, tracking recent modifications
+// made to the state, that have not yet graduated into a semi-immutable state.
+type diffLayer struct {
+ origin *diskLayer // Base disk layer to directly use on bloom misses
+ parent snapshot // Parent snapshot modified by this one, never nil
+ memory uint64 // Approximate guess as to how much memory we use
+
+ root common.Hash // Root hash to which this snapshot diff belongs to
+ stale uint32 // Signals that the layer became stale (state progressed)
+
+ // destructSet is a very special helper marker. If an account is marked as
+ // deleted, then it's recorded in this set. However it's allowed that an account
+ // is included here but still available in other sets(e.g. storageData). The
+ // reason is the diff layer includes all the changes in a *block*. It can
+ // happen that in the tx_1, account A is self-destructed while in the tx_2
+ // it's recreated. But we still need this marker to indicate the "old" A is
+ // deleted, all data in other set belongs to the "new" A.
+ destructSet map[common.Hash]struct{} // Keyed markers for deleted (and potentially) recreated accounts
+ accountList []common.Hash // List of account for iteration. If it exists, it's sorted, otherwise it's nil
+ accountData map[common.Hash][]byte // Keyed accounts for direct retrival (nil means deleted)
+ storageList map[common.Hash][]common.Hash // List of storage slots for iterated retrievals, one per account. Any existing lists are sorted if non-nil
+ storageData map[common.Hash]map[common.Hash][]byte // Keyed storage slots for direct retrival. one per account (nil means deleted)
+
+ diffed *bloomfilter.Filter // Bloom filter tracking all the diffed items up to the disk layer
+
+ lock sync.RWMutex
+}
+
+// destructBloomHasher is a wrapper around a common.Hash to satisfy the interface
+// API requirements of the bloom library used. It's used to convert a destruct
+// event into a 64 bit mini hash.
+type destructBloomHasher common.Hash
+
+func (h destructBloomHasher) Write(p []byte) (n int, err error) { panic("not implemented") }
+func (h destructBloomHasher) Sum(b []byte) []byte { panic("not implemented") }
+func (h destructBloomHasher) Reset() { panic("not implemented") }
+func (h destructBloomHasher) BlockSize() int { panic("not implemented") }
+func (h destructBloomHasher) Size() int { return 8 }
+func (h destructBloomHasher) Sum64() uint64 {
+ return binary.BigEndian.Uint64(h[bloomDestructHasherOffset : bloomDestructHasherOffset+8])
+}
+
+// accountBloomHasher is a wrapper around a common.Hash to satisfy the interface
+// API requirements of the bloom library used. It's used to convert an account
+// hash into a 64 bit mini hash.
+type accountBloomHasher common.Hash
+
+func (h accountBloomHasher) Write(p []byte) (n int, err error) { panic("not implemented") }
+func (h accountBloomHasher) Sum(b []byte) []byte { panic("not implemented") }
+func (h accountBloomHasher) Reset() { panic("not implemented") }
+func (h accountBloomHasher) BlockSize() int { panic("not implemented") }
+func (h accountBloomHasher) Size() int { return 8 }
+func (h accountBloomHasher) Sum64() uint64 {
+ return binary.BigEndian.Uint64(h[bloomAccountHasherOffset : bloomAccountHasherOffset+8])
+}
+
+// storageBloomHasher is a wrapper around a [2]common.Hash to satisfy the interface
+// API requirements of the bloom library used. It's used to convert an account
+// hash into a 64 bit mini hash.
+type storageBloomHasher [2]common.Hash
+
+func (h storageBloomHasher) Write(p []byte) (n int, err error) { panic("not implemented") }
+func (h storageBloomHasher) Sum(b []byte) []byte { panic("not implemented") }
+func (h storageBloomHasher) Reset() { panic("not implemented") }
+func (h storageBloomHasher) BlockSize() int { panic("not implemented") }
+func (h storageBloomHasher) Size() int { return 8 }
+func (h storageBloomHasher) Sum64() uint64 {
+ return binary.BigEndian.Uint64(h[0][bloomStorageHasherOffset:bloomStorageHasherOffset+8]) ^
+ binary.BigEndian.Uint64(h[1][bloomStorageHasherOffset:bloomStorageHasherOffset+8])
+}
+
+// newDiffLayer creates a new diff on top of an existing snapshot, whether that's a low
+// level persistent database or a hierarchical diff already.
+func newDiffLayer(parent snapshot, root common.Hash, destructs map[common.Hash]struct{}, accounts map[common.Hash][]byte, storage map[common.Hash]map[common.Hash][]byte) *diffLayer {
+ // Create the new layer with some pre-allocated data segments
+ dl := &diffLayer{
+ parent: parent,
+ root: root,
+ destructSet: destructs,
+ accountData: accounts,
+ storageData: storage,
+ storageList: make(map[common.Hash][]common.Hash),
+ }
+ switch parent := parent.(type) {
+ case *diskLayer:
+ dl.rebloom(parent)
+ case *diffLayer:
+ dl.rebloom(parent.origin)
+ default:
+ panic("unknown parent type")
+ }
+ // Sanity check that accounts or storage slots are never nil
+ for accountHash, blob := range accounts {
+ if blob == nil {
+ panic(fmt.Sprintf("account %#x nil", accountHash))
+ }
+ }
+ for accountHash, slots := range storage {
+ if slots == nil {
+ panic(fmt.Sprintf("storage %#x nil", accountHash))
+ }
+ }
+ // Determine memory size and track the dirty writes
+ for _, data := range accounts {
+ dl.memory += uint64(common.HashLength + len(data))
+ snapshotDirtyAccountWriteMeter.Mark(int64(len(data)))
+ }
+ // Determine memory size and track the dirty writes
+ for _, slots := range storage {
+ for _, data := range slots {
+ dl.memory += uint64(common.HashLength + len(data))
+ snapshotDirtyStorageWriteMeter.Mark(int64(len(data)))
+ }
+ }
+ dl.memory += uint64(len(destructs) * common.HashLength)
+ return dl
+}
+
+// rebloom discards the layer's current bloom and rebuilds it from scratch based
+// on the parent's and the local diffs.
+func (dl *diffLayer) rebloom(origin *diskLayer) {
+ dl.lock.Lock()
+ defer dl.lock.Unlock()
+
+ defer func(start time.Time) {
+ snapshotBloomIndexTimer.Update(time.Since(start))
+ }(time.Now())
+
+ // Inject the new origin that triggered the rebloom
+ dl.origin = origin
+
+ // Retrieve the parent bloom or create a fresh empty one
+ if parent, ok := dl.parent.(*diffLayer); ok {
+ parent.lock.RLock()
+ dl.diffed, _ = parent.diffed.Copy()
+ parent.lock.RUnlock()
+ } else {
+ dl.diffed, _ = bloomfilter.New(uint64(bloomSize), uint64(bloomFuncs))
+ }
+ // Iterate over all the accounts and storage slots and index them
+ for hash := range dl.destructSet {
+ dl.diffed.Add(destructBloomHasher(hash))
+ }
+ for hash := range dl.accountData {
+ dl.diffed.Add(accountBloomHasher(hash))
+ }
+ for accountHash, slots := range dl.storageData {
+ for storageHash := range slots {
+ dl.diffed.Add(storageBloomHasher{accountHash, storageHash})
+ }
+ }
+ // Calculate the current false positive rate and update the error rate meter.
+ // This is a bit cheating because subsequent layers will overwrite it, but it
+ // should be fine, we're only interested in ballpark figures.
+ k := float64(dl.diffed.K())
+ n := float64(dl.diffed.N())
+ m := float64(dl.diffed.M())
+ snapshotBloomErrorGauge.Update(math.Pow(1.0-math.Exp((-k)*(n+0.5)/(m-1)), k))
+}
+
+// Root returns the root hash for which this snapshot was made.
+func (dl *diffLayer) Root() common.Hash {
+ return dl.root
+}
+
+// Parent returns the subsequent layer of a diff layer.
+func (dl *diffLayer) Parent() snapshot {
+ return dl.parent
+}
+
+// Stale return whether this layer has become stale (was flattened across) or if
+// it's still live.
+func (dl *diffLayer) Stale() bool {
+ return atomic.LoadUint32(&dl.stale) != 0
+}
+
+// Account directly retrieves the account associated with a particular hash in
+// the snapshot slim data format.
+func (dl *diffLayer) Account(hash common.Hash) (*Account, error) {
+ data, err := dl.AccountRLP(hash)
+ if err != nil {
+ return nil, err
+ }
+ if len(data) == 0 { // can be both nil and []byte{}
+ return nil, nil
+ }
+ account := new(Account)
+ if err := rlp.DecodeBytes(data, account); err != nil {
+ panic(err)
+ }
+ return account, nil
+}
+
+// AccountRLP directly retrieves the account RLP associated with a particular
+// hash in the snapshot slim data format.
+//
+// Note the returned account is not a copy, please don't modify it.
+func (dl *diffLayer) AccountRLP(hash common.Hash) ([]byte, error) {
+ // Check the bloom filter first whether there's even a point in reaching into
+ // all the maps in all the layers below
+ dl.lock.RLock()
+ hit := dl.diffed.Contains(accountBloomHasher(hash))
+ if !hit {
+ hit = dl.diffed.Contains(destructBloomHasher(hash))
+ }
+ dl.lock.RUnlock()
+
+ // If the bloom filter misses, don't even bother with traversing the memory
+ // diff layers, reach straight into the bottom persistent disk layer
+ if !hit {
+ snapshotBloomAccountMissMeter.Mark(1)
+ return dl.origin.AccountRLP(hash)
+ }
+ // The bloom filter hit, start poking in the internal maps
+ return dl.accountRLP(hash, 0)
+}
+
+// accountRLP is an internal version of AccountRLP that skips the bloom filter
+// checks and uses the internal maps to try and retrieve the data. It's meant
+// to be used if a higher layer's bloom filter hit already.
+func (dl *diffLayer) accountRLP(hash common.Hash, depth int) ([]byte, error) {
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ // If the layer was flattened into, consider it invalid (any live reference to
+ // the original should be marked as unusable).
+ if dl.Stale() {
+ return nil, ErrSnapshotStale
+ }
+ // If the account is known locally, return it
+ if data, ok := dl.accountData[hash]; ok {
+ snapshotDirtyAccountHitMeter.Mark(1)
+ snapshotDirtyAccountHitDepthHist.Update(int64(depth))
+ snapshotDirtyAccountReadMeter.Mark(int64(len(data)))
+ snapshotBloomAccountTrueHitMeter.Mark(1)
+ return data, nil
+ }
+ // If the account is known locally, but deleted, return it
+ if _, ok := dl.destructSet[hash]; ok {
+ snapshotDirtyAccountHitMeter.Mark(1)
+ snapshotDirtyAccountHitDepthHist.Update(int64(depth))
+ snapshotDirtyAccountInexMeter.Mark(1)
+ snapshotBloomAccountTrueHitMeter.Mark(1)
+ return nil, nil
+ }
+ // Account unknown to this diff, resolve from parent
+ if diff, ok := dl.parent.(*diffLayer); ok {
+ return diff.accountRLP(hash, depth+1)
+ }
+ // Failed to resolve through diff layers, mark a bloom error and use the disk
+ snapshotBloomAccountFalseHitMeter.Mark(1)
+ return dl.parent.AccountRLP(hash)
+}
+
+// Storage directly retrieves the storage data associated with a particular hash,
+// within a particular account. If the slot is unknown to this diff, it's parent
+// is consulted.
+//
+// Note the returned slot is not a copy, please don't modify it.
+func (dl *diffLayer) Storage(accountHash, storageHash common.Hash) ([]byte, error) {
+ // Check the bloom filter first whether there's even a point in reaching into
+ // all the maps in all the layers below
+ dl.lock.RLock()
+ hit := dl.diffed.Contains(storageBloomHasher{accountHash, storageHash})
+ if !hit {
+ hit = dl.diffed.Contains(destructBloomHasher(accountHash))
+ }
+ dl.lock.RUnlock()
+
+ // If the bloom filter misses, don't even bother with traversing the memory
+ // diff layers, reach straight into the bottom persistent disk layer
+ if !hit {
+ snapshotBloomStorageMissMeter.Mark(1)
+ return dl.origin.Storage(accountHash, storageHash)
+ }
+ // The bloom filter hit, start poking in the internal maps
+ return dl.storage(accountHash, storageHash, 0)
+}
+
+// storage is an internal version of Storage that skips the bloom filter checks
+// and uses the internal maps to try and retrieve the data. It's meant to be
+// used if a higher layer's bloom filter hit already.
+func (dl *diffLayer) storage(accountHash, storageHash common.Hash, depth int) ([]byte, error) {
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ // If the layer was flattened into, consider it invalid (any live reference to
+ // the original should be marked as unusable).
+ if dl.Stale() {
+ return nil, ErrSnapshotStale
+ }
+ // If the account is known locally, try to resolve the slot locally
+ if storage, ok := dl.storageData[accountHash]; ok {
+ if data, ok := storage[storageHash]; ok {
+ snapshotDirtyStorageHitMeter.Mark(1)
+ snapshotDirtyStorageHitDepthHist.Update(int64(depth))
+ if n := len(data); n > 0 {
+ snapshotDirtyStorageReadMeter.Mark(int64(n))
+ } else {
+ snapshotDirtyStorageInexMeter.Mark(1)
+ }
+ snapshotBloomStorageTrueHitMeter.Mark(1)
+ return data, nil
+ }
+ }
+ // If the account is known locally, but deleted, return an empty slot
+ if _, ok := dl.destructSet[accountHash]; ok {
+ snapshotDirtyStorageHitMeter.Mark(1)
+ snapshotDirtyStorageHitDepthHist.Update(int64(depth))
+ snapshotDirtyStorageInexMeter.Mark(1)
+ snapshotBloomStorageTrueHitMeter.Mark(1)
+ return nil, nil
+ }
+ // Storage slot unknown to this diff, resolve from parent
+ if diff, ok := dl.parent.(*diffLayer); ok {
+ return diff.storage(accountHash, storageHash, depth+1)
+ }
+ // Failed to resolve through diff layers, mark a bloom error and use the disk
+ snapshotBloomStorageFalseHitMeter.Mark(1)
+ return dl.parent.Storage(accountHash, storageHash)
+}
+
+// Update creates a new layer on top of the existing snapshot diff tree with
+// the specified data items.
+func (dl *diffLayer) Update(blockRoot common.Hash, destructs map[common.Hash]struct{}, accounts map[common.Hash][]byte, storage map[common.Hash]map[common.Hash][]byte) *diffLayer {
+ return newDiffLayer(dl, blockRoot, destructs, accounts, storage)
+}
+
+// flatten pushes all data from this point downwards, flattening everything into
+// a single diff at the bottom. Since usually the lowermost diff is the largest,
+// the flattening builds up from there in reverse.
+func (dl *diffLayer) flatten() snapshot {
+ // If the parent is not diff, we're the first in line, return unmodified
+ parent, ok := dl.parent.(*diffLayer)
+ if !ok {
+ return dl
+ }
+ // Parent is a diff, flatten it first (note, apart from weird corned cases,
+ // flatten will realistically only ever merge 1 layer, so there's no need to
+ // be smarter about grouping flattens together).
+ parent = parent.flatten().(*diffLayer)
+
+ parent.lock.Lock()
+ defer parent.lock.Unlock()
+
+ // Before actually writing all our data to the parent, first ensure that the
+ // parent hasn't been 'corrupted' by someone else already flattening into it
+ if atomic.SwapUint32(&parent.stale, 1) != 0 {
+ panic("parent diff layer is stale") // we've flattened into the same parent from two children, boo
+ }
+ // Overwrite all the updated accounts blindly, merge the sorted list
+ for hash := range dl.destructSet {
+ parent.destructSet[hash] = struct{}{}
+ delete(parent.accountData, hash)
+ delete(parent.storageData, hash)
+ }
+ for hash, data := range dl.accountData {
+ parent.accountData[hash] = data
+ }
+ // Overwrite all the updated storage slots (individually)
+ for accountHash, storage := range dl.storageData {
+ // If storage didn't exist (or was deleted) in the parent, overwrite blindly
+ if _, ok := parent.storageData[accountHash]; !ok {
+ parent.storageData[accountHash] = storage
+ continue
+ }
+ // Storage exists in both parent and child, merge the slots
+ comboData := parent.storageData[accountHash]
+ for storageHash, data := range storage {
+ comboData[storageHash] = data
+ }
+ parent.storageData[accountHash] = comboData
+ }
+ // Return the combo parent
+ return &diffLayer{
+ parent: parent.parent,
+ origin: parent.origin,
+ root: dl.root,
+ destructSet: parent.destructSet,
+ accountData: parent.accountData,
+ storageData: parent.storageData,
+ storageList: make(map[common.Hash][]common.Hash),
+ diffed: dl.diffed,
+ memory: parent.memory + dl.memory,
+ }
+}
+
+// AccountList returns a sorted list of all accounts in this difflayer, including
+// the deleted ones.
+//
+// Note, the returned slice is not a copy, so do not modify it.
+func (dl *diffLayer) AccountList() []common.Hash {
+ // If an old list already exists, return it
+ dl.lock.RLock()
+ list := dl.accountList
+ dl.lock.RUnlock()
+
+ if list != nil {
+ return list
+ }
+ // No old sorted account list exists, generate a new one
+ dl.lock.Lock()
+ defer dl.lock.Unlock()
+
+ dl.accountList = make([]common.Hash, 0, len(dl.destructSet)+len(dl.accountData))
+ for hash := range dl.accountData {
+ dl.accountList = append(dl.accountList, hash)
+ }
+ for hash := range dl.destructSet {
+ if _, ok := dl.accountData[hash]; !ok {
+ dl.accountList = append(dl.accountList, hash)
+ }
+ }
+ sort.Sort(hashes(dl.accountList))
+ dl.memory += uint64(len(dl.accountList) * common.HashLength)
+ return dl.accountList
+}
+
+// StorageList returns a sorted list of all storage slot hashes in this difflayer
+// for the given account. If the whole storage is destructed in this layer, then
+// an additional flag *destructed = true* will be returned, otherwise the flag is
+// false. Besides, the returned list will include the hash of deleted storage slot.
+// Note a special case is an account is deleted in a prior tx but is recreated in
+// the following tx with some storage slots set. In this case the returned list is
+// not empty but the flag is true.
+//
+// Note, the returned slice is not a copy, so do not modify it.
+func (dl *diffLayer) StorageList(accountHash common.Hash) ([]common.Hash, bool) {
+ dl.lock.RLock()
+ _, destructed := dl.destructSet[accountHash]
+ if _, ok := dl.storageData[accountHash]; !ok {
+ // Account not tracked by this layer
+ dl.lock.RUnlock()
+ return nil, destructed
+ }
+ // If an old list already exists, return it
+ if list, exist := dl.storageList[accountHash]; exist {
+ dl.lock.RUnlock()
+ return list, destructed // the cached list can't be nil
+ }
+ dl.lock.RUnlock()
+
+ // No old sorted account list exists, generate a new one
+ dl.lock.Lock()
+ defer dl.lock.Unlock()
+
+ storageMap := dl.storageData[accountHash]
+ storageList := make([]common.Hash, 0, len(storageMap))
+ for k := range storageMap {
+ storageList = append(storageList, k)
+ }
+ sort.Sort(hashes(storageList))
+ dl.storageList[accountHash] = storageList
+ dl.memory += uint64(len(dl.storageList)*common.HashLength + common.HashLength)
+ return storageList, destructed
+}
diff --git a/core/state/snapshot/disklayer.go b/core/state/snapshot/disklayer.go
new file mode 100644
index 0000000..496edaa
--- /dev/null
+++ b/core/state/snapshot/disklayer.go
@@ -0,0 +1,166 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "sync"
+
+ "github.com/VictoriaMetrics/fastcache"
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
+)
+
+// diskLayer is a low level persistent snapshot built on top of a key-value store.
+type diskLayer struct {
+ diskdb ethdb.KeyValueStore // Key-value store containing the base snapshot
+ triedb *trie.Database // Trie node cache for reconstuction purposes
+ cache *fastcache.Cache // Cache to avoid hitting the disk for direct access
+
+ root common.Hash // Root hash of the base snapshot
+ stale bool // Signals that the layer became stale (state progressed)
+
+ genMarker []byte // Marker for the state that's indexed during initial layer generation
+ genPending chan struct{} // Notification channel when generation is done (test synchronicity)
+ genAbort chan chan *generatorStats // Notification channel to abort generating the snapshot in this layer
+
+ lock sync.RWMutex
+}
+
+// Root returns root hash for which this snapshot was made.
+func (dl *diskLayer) Root() common.Hash {
+ return dl.root
+}
+
+// Parent always returns nil as there's no layer below the disk.
+func (dl *diskLayer) Parent() snapshot {
+ return nil
+}
+
+// Stale return whether this layer has become stale (was flattened across) or if
+// it's still live.
+func (dl *diskLayer) Stale() bool {
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ return dl.stale
+}
+
+// Account directly retrieves the account associated with a particular hash in
+// the snapshot slim data format.
+func (dl *diskLayer) Account(hash common.Hash) (*Account, error) {
+ data, err := dl.AccountRLP(hash)
+ if err != nil {
+ return nil, err
+ }
+ if len(data) == 0 { // can be both nil and []byte{}
+ return nil, nil
+ }
+ account := new(Account)
+ if err := rlp.DecodeBytes(data, account); err != nil {
+ panic(err)
+ }
+ return account, nil
+}
+
+// AccountRLP directly retrieves the account RLP associated with a particular
+// hash in the snapshot slim data format.
+func (dl *diskLayer) AccountRLP(hash common.Hash) ([]byte, error) {
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ // If the layer was flattened into, consider it invalid (any live reference to
+ // the original should be marked as unusable).
+ if dl.stale {
+ return nil, ErrSnapshotStale
+ }
+ // If the layer is being generated, ensure the requested hash has already been
+ // covered by the generator.
+ if dl.genMarker != nil && bytes.Compare(hash[:], dl.genMarker) > 0 {
+ return nil, ErrNotCoveredYet
+ }
+ // If we're in the disk layer, all diff layers missed
+ snapshotDirtyAccountMissMeter.Mark(1)
+
+ // Try to retrieve the account from the memory cache
+ if blob, found := dl.cache.HasGet(nil, hash[:]); found {
+ snapshotCleanAccountHitMeter.Mark(1)
+ snapshotCleanAccountReadMeter.Mark(int64(len(blob)))
+ return blob, nil
+ }
+ // Cache doesn't contain account, pull from disk and cache for later
+ blob := rawdb.ReadAccountSnapshot(dl.diskdb, hash)
+ dl.cache.Set(hash[:], blob)
+
+ snapshotCleanAccountMissMeter.Mark(1)
+ if n := len(blob); n > 0 {
+ snapshotCleanAccountWriteMeter.Mark(int64(n))
+ } else {
+ snapshotCleanAccountInexMeter.Mark(1)
+ }
+ return blob, nil
+}
+
+// Storage directly retrieves the storage data associated with a particular hash,
+// within a particular account.
+func (dl *diskLayer) Storage(accountHash, storageHash common.Hash) ([]byte, error) {
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ // If the layer was flattened into, consider it invalid (any live reference to
+ // the original should be marked as unusable).
+ if dl.stale {
+ return nil, ErrSnapshotStale
+ }
+ key := append(accountHash[:], storageHash[:]...)
+
+ // If the layer is being generated, ensure the requested hash has already been
+ // covered by the generator.
+ if dl.genMarker != nil && bytes.Compare(key, dl.genMarker) > 0 {
+ return nil, ErrNotCoveredYet
+ }
+ // If we're in the disk layer, all diff layers missed
+ snapshotDirtyStorageMissMeter.Mark(1)
+
+ // Try to retrieve the storage slot from the memory cache
+ if blob, found := dl.cache.HasGet(nil, key); found {
+ snapshotCleanStorageHitMeter.Mark(1)
+ snapshotCleanStorageReadMeter.Mark(int64(len(blob)))
+ return blob, nil
+ }
+ // Cache doesn't contain storage slot, pull from disk and cache for later
+ blob := rawdb.ReadStorageSnapshot(dl.diskdb, accountHash, storageHash)
+ dl.cache.Set(key, blob)
+
+ snapshotCleanStorageMissMeter.Mark(1)
+ if n := len(blob); n > 0 {
+ snapshotCleanStorageWriteMeter.Mark(int64(n))
+ } else {
+ snapshotCleanStorageInexMeter.Mark(1)
+ }
+ return blob, nil
+}
+
+// Update creates a new layer on top of the existing snapshot diff tree with
+// the specified data items. Note, the maps are retained by the method to avoid
+// copying everything.
+func (dl *diskLayer) Update(blockHash common.Hash, destructs map[common.Hash]struct{}, accounts map[common.Hash][]byte, storage map[common.Hash]map[common.Hash][]byte) *diffLayer {
+ return newDiffLayer(dl, blockHash, destructs, accounts, storage)
+}
diff --git a/core/state/snapshot/generate.go b/core/state/snapshot/generate.go
new file mode 100644
index 0000000..27f8dfc
--- /dev/null
+++ b/core/state/snapshot/generate.go
@@ -0,0 +1,265 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "encoding/binary"
+ "math/big"
+ "time"
+
+ "github.com/VictoriaMetrics/fastcache"
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
+)
+
+var (
+ // emptyRoot is the known root hash of an empty trie.
+ emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
+
+ // emptyCode is the known hash of the empty EVM bytecode.
+ emptyCode = crypto.Keccak256Hash(nil)
+)
+
+// generatorStats is a collection of statistics gathered by the snapshot generator
+// for logging purposes.
+type generatorStats struct {
+ wiping chan struct{} // Notification channel if wiping is in progress
+ origin uint64 // Origin prefix where generation started
+ start time.Time // Timestamp when generation started
+ accounts uint64 // Number of accounts indexed
+ slots uint64 // Number of storage slots indexed
+ storage common.StorageSize // Account and storage slot size
+}
+
+// Log creates an contextual log with the given message and the context pulled
+// from the internally maintained statistics.
+func (gs *generatorStats) Log(msg string, root common.Hash, marker []byte) {
+ var ctx []interface{}
+ if root != (common.Hash{}) {
+ ctx = append(ctx, []interface{}{"root", root}...)
+ }
+ // Figure out whether we're after or within an account
+ switch len(marker) {
+ case common.HashLength:
+ ctx = append(ctx, []interface{}{"at", common.BytesToHash(marker)}...)
+ case 2 * common.HashLength:
+ ctx = append(ctx, []interface{}{
+ "in", common.BytesToHash(marker[:common.HashLength]),
+ "at", common.BytesToHash(marker[common.HashLength:]),
+ }...)
+ }
+ // Add the usual measurements
+ ctx = append(ctx, []interface{}{
+ "accounts", gs.accounts,
+ "slots", gs.slots,
+ "storage", gs.storage,
+ "elapsed", common.PrettyDuration(time.Since(gs.start)),
+ }...)
+ // Calculate the estimated indexing time based on current stats
+ if len(marker) > 0 {
+ if done := binary.BigEndian.Uint64(marker[:8]) - gs.origin; done > 0 {
+ left := math.MaxUint64 - binary.BigEndian.Uint64(marker[:8])
+
+ speed := done/uint64(time.Since(gs.start)/time.Millisecond+1) + 1 // +1s to avoid division by zero
+ ctx = append(ctx, []interface{}{
+ "eta", common.PrettyDuration(time.Duration(left/speed) * time.Millisecond),
+ }...)
+ }
+ }
+ log.Info(msg, ctx...)
+}
+
+// generateSnapshot regenerates a brand new snapshot based on an existing state
+// database and head block asynchronously. The snapshot is returned immediately
+// and generation is continued in the background until done.
+func generateSnapshot(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, root common.Hash, wiper chan struct{}) *diskLayer {
+ // Wipe any previously existing snapshot from the database if no wiper is
+ // currently in progress.
+ if wiper == nil {
+ wiper = wipeSnapshot(diskdb, true)
+ }
+ // Create a new disk layer with an initialized state marker at zero
+ rawdb.WriteSnapshotRoot(diskdb, root)
+
+ base := &diskLayer{
+ diskdb: diskdb,
+ triedb: triedb,
+ root: root,
+ cache: fastcache.New(cache * 1024 * 1024),
+ genMarker: []byte{}, // Initialized but empty!
+ genPending: make(chan struct{}),
+ genAbort: make(chan chan *generatorStats),
+ }
+ go base.generate(&generatorStats{wiping: wiper, start: time.Now()})
+ return base
+}
+
+// generate is a background thread that iterates over the state and storage tries,
+// constructing the state snapshot. All the arguments are purely for statistics
+// gethering and logging, since the method surfs the blocks as they arrive, often
+// being restarted.
+func (dl *diskLayer) generate(stats *generatorStats) {
+ // If a database wipe is in operation, wait until it's done
+ if stats.wiping != nil {
+ stats.Log("Wiper running, state snapshotting paused", common.Hash{}, dl.genMarker)
+ select {
+ // If wiper is done, resume normal mode of operation
+ case <-stats.wiping:
+ stats.wiping = nil
+ stats.start = time.Now()
+
+ // If generator was aboted during wipe, return
+ case abort := <-dl.genAbort:
+ abort <- stats
+ return
+ }
+ }
+ // Create an account and state iterator pointing to the current generator marker
+ accTrie, err := trie.NewSecure(dl.root, dl.triedb)
+ if err != nil {
+ // The account trie is missing (GC), surf the chain until one becomes available
+ stats.Log("Trie missing, state snapshotting paused", dl.root, dl.genMarker)
+
+ abort := <-dl.genAbort
+ abort <- stats
+ return
+ }
+ stats.Log("Resuming state snapshot generation", dl.root, dl.genMarker)
+
+ var accMarker []byte
+ if len(dl.genMarker) > 0 { // []byte{} is the start, use nil for that
+ accMarker = dl.genMarker[:common.HashLength]
+ }
+ accIt := trie.NewIterator(accTrie.NodeIterator(accMarker))
+ batch := dl.diskdb.NewBatch()
+
+ // Iterate from the previous marker and continue generating the state snapshot
+ logged := time.Now()
+ for accIt.Next() {
+ // Retrieve the current account and flatten it into the internal format
+ accountHash := common.BytesToHash(accIt.Key)
+
+ var acc struct {
+ Nonce uint64
+ Balance *big.Int
+ Root common.Hash
+ CodeHash []byte
+ IsMultiCoin bool
+ }
+ if err := rlp.DecodeBytes(accIt.Value, &acc); err != nil {
+ log.Crit("Invalid account encountered during snapshot creation", "err", err)
+ }
+ data := SlimAccountRLP(acc.Nonce, acc.Balance, acc.Root, acc.CodeHash, acc.IsMultiCoin)
+
+ // If the account is not yet in-progress, write it out
+ if accMarker == nil || !bytes.Equal(accountHash[:], accMarker) {
+ rawdb.WriteAccountSnapshot(batch, accountHash, data)
+ stats.storage += common.StorageSize(1 + common.HashLength + len(data))
+ stats.accounts++
+ }
+ // If we've exceeded our batch allowance or termination was requested, flush to disk
+ var abort chan *generatorStats
+ select {
+ case abort = <-dl.genAbort:
+ default:
+ }
+ if batch.ValueSize() > ethdb.IdealBatchSize || abort != nil {
+ // Only write and set the marker if we actually did something useful
+ if batch.ValueSize() > 0 {
+ batch.Write()
+ batch.Reset()
+
+ dl.lock.Lock()
+ dl.genMarker = accountHash[:]
+ dl.lock.Unlock()
+ }
+ if abort != nil {
+ stats.Log("Aborting state snapshot generation", dl.root, accountHash[:])
+ abort <- stats
+ return
+ }
+ }
+ // If the account is in-progress, continue where we left off (otherwise iterate all)
+ if acc.Root != emptyRoot {
+ storeTrie, err := trie.NewSecure(acc.Root, dl.triedb)
+ if err != nil {
+ log.Crit("Storage trie inaccessible for snapshot generation", "err", err)
+ }
+ var storeMarker []byte
+ if accMarker != nil && bytes.Equal(accountHash[:], accMarker) && len(dl.genMarker) > common.HashLength {
+ storeMarker = dl.genMarker[common.HashLength:]
+ }
+ storeIt := trie.NewIterator(storeTrie.NodeIterator(storeMarker))
+ for storeIt.Next() {
+ rawdb.WriteStorageSnapshot(batch, accountHash, common.BytesToHash(storeIt.Key), storeIt.Value)
+ stats.storage += common.StorageSize(1 + 2*common.HashLength + len(storeIt.Value))
+ stats.slots++
+
+ // If we've exceeded our batch allowance or termination was requested, flush to disk
+ var abort chan *generatorStats
+ select {
+ case abort = <-dl.genAbort:
+ default:
+ }
+ if batch.ValueSize() > ethdb.IdealBatchSize || abort != nil {
+ // Only write and set the marker if we actually did something useful
+ if batch.ValueSize() > 0 {
+ batch.Write()
+ batch.Reset()
+
+ dl.lock.Lock()
+ dl.genMarker = append(accountHash[:], storeIt.Key...)
+ dl.lock.Unlock()
+ }
+ if abort != nil {
+ stats.Log("Aborting state snapshot generation", dl.root, append(accountHash[:], storeIt.Key...))
+ abort <- stats
+ return
+ }
+ }
+ }
+ }
+ if time.Since(logged) > 8*time.Second {
+ stats.Log("Generating state snapshot", dl.root, accIt.Key)
+ logged = time.Now()
+ }
+ // Some account processed, unmark the marker
+ accMarker = nil
+ }
+ // Snapshot fully generated, set the marker to nil
+ if batch.ValueSize() > 0 {
+ batch.Write()
+ }
+ log.Info("Generated state snapshot", "accounts", stats.accounts, "slots", stats.slots,
+ "storage", stats.storage, "elapsed", common.PrettyDuration(time.Since(stats.start)))
+
+ dl.lock.Lock()
+ dl.genMarker = nil
+ close(dl.genPending)
+ dl.lock.Unlock()
+
+ // Someone will be looking for us, wait it out
+ abort := <-dl.genAbort
+ abort <- nil
+}
diff --git a/core/state/snapshot/iterator.go b/core/state/snapshot/iterator.go
new file mode 100644
index 0000000..ef527ff
--- /dev/null
+++ b/core/state/snapshot/iterator.go
@@ -0,0 +1,400 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "fmt"
+ "sort"
+
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+)
+
+// Iterator is an iterator to step over all the accounts or the specific
+// storage in a snapshot which may or may not be composed of multiple layers.
+type Iterator interface {
+ // Next steps the iterator forward one element, returning false if exhausted,
+ // or an error if iteration failed for some reason (e.g. root being iterated
+ // becomes stale and garbage collected).
+ Next() bool
+
+ // Error returns any failure that occurred during iteration, which might have
+ // caused a premature iteration exit (e.g. snapshot stack becoming stale).
+ Error() error
+
+ // Hash returns the hash of the account or storage slot the iterator is
+ // currently at.
+ Hash() common.Hash
+
+ // Release releases associated resources. Release should always succeed and
+ // can be called multiple times without causing error.
+ Release()
+}
+
+// AccountIterator is an iterator to step over all the accounts in a snapshot,
+// which may or may not be composed of multiple layers.
+type AccountIterator interface {
+ Iterator
+
+ // Account returns the RLP encoded slim account the iterator is currently at.
+ // An error will be returned if the iterator becomes invalid
+ Account() []byte
+}
+
+// StorageIterator is an iterator to step over the specific storage in a snapshot,
+// which may or may not be composed of multiple layers.
+type StorageIterator interface {
+ Iterator
+
+ // Slot returns the storage slot the iterator is currently at. An error will
+ // be returned if the iterator becomes invalid
+ Slot() []byte
+}
+
+// diffAccountIterator is an account iterator that steps over the accounts (both
+// live and deleted) contained within a single diff layer. Higher order iterators
+// will use the deleted accounts to skip deeper iterators.
+type diffAccountIterator struct {
+ // curHash is the current hash the iterator is positioned on. The field is
+ // explicitly tracked since the referenced diff layer might go stale after
+ // the iterator was positioned and we don't want to fail accessing the old
+ // hash as long as the iterator is not touched any more.
+ curHash common.Hash
+
+ layer *diffLayer // Live layer to retrieve values from
+ keys []common.Hash // Keys left in the layer to iterate
+ fail error // Any failures encountered (stale)
+}
+
+// AccountIterator creates an account iterator over a single diff layer.
+func (dl *diffLayer) AccountIterator(seek common.Hash) AccountIterator {
+ // Seek out the requested starting account
+ hashes := dl.AccountList()
+ index := sort.Search(len(hashes), func(i int) bool {
+ return bytes.Compare(seek[:], hashes[i][:]) <= 0
+ })
+ // Assemble and returned the already seeked iterator
+ return &diffAccountIterator{
+ layer: dl,
+ keys: hashes[index:],
+ }
+}
+
+// Next steps the iterator forward one element, returning false if exhausted.
+func (it *diffAccountIterator) Next() bool {
+ // If the iterator was already stale, consider it a programmer error. Although
+ // we could just return false here, triggering this path would probably mean
+ // somebody forgot to check for Error, so lets blow up instead of undefined
+ // behavior that's hard to debug.
+ if it.fail != nil {
+ panic(fmt.Sprintf("called Next of failed iterator: %v", it.fail))
+ }
+ // Stop iterating if all keys were exhausted
+ if len(it.keys) == 0 {
+ return false
+ }
+ if it.layer.Stale() {
+ it.fail, it.keys = ErrSnapshotStale, nil
+ return false
+ }
+ // Iterator seems to be still alive, retrieve and cache the live hash
+ it.curHash = it.keys[0]
+ // key cached, shift the iterator and notify the user of success
+ it.keys = it.keys[1:]
+ return true
+}
+
+// Error returns any failure that occurred during iteration, which might have
+// caused a premature iteration exit (e.g. snapshot stack becoming stale).
+func (it *diffAccountIterator) Error() error {
+ return it.fail
+}
+
+// Hash returns the hash of the account the iterator is currently at.
+func (it *diffAccountIterator) Hash() common.Hash {
+ return it.curHash
+}
+
+// Account returns the RLP encoded slim account the iterator is currently at.
+// This method may _fail_, if the underlying layer has been flattened between
+// the call to Next and Acccount. That type of error will set it.Err.
+// This method assumes that flattening does not delete elements from
+// the accountdata mapping (writing nil into it is fine though), and will panic
+// if elements have been deleted.
+//
+// Note the returned account is not a copy, please don't modify it.
+func (it *diffAccountIterator) Account() []byte {
+ it.layer.lock.RLock()
+ blob, ok := it.layer.accountData[it.curHash]
+ if !ok {
+ if _, ok := it.layer.destructSet[it.curHash]; ok {
+ it.layer.lock.RUnlock()
+ return nil
+ }
+ panic(fmt.Sprintf("iterator referenced non-existent account: %x", it.curHash))
+ }
+ it.layer.lock.RUnlock()
+ if it.layer.Stale() {
+ it.fail, it.keys = ErrSnapshotStale, nil
+ }
+ return blob
+}
+
+// Release is a noop for diff account iterators as there are no held resources.
+func (it *diffAccountIterator) Release() {}
+
+// diskAccountIterator is an account iterator that steps over the live accounts
+// contained within a disk layer.
+type diskAccountIterator struct {
+ layer *diskLayer
+ it ethdb.Iterator
+}
+
+// AccountIterator creates an account iterator over a disk layer.
+func (dl *diskLayer) AccountIterator(seek common.Hash) AccountIterator {
+ pos := common.TrimRightZeroes(seek[:])
+ return &diskAccountIterator{
+ layer: dl,
+ it: dl.diskdb.NewIterator(rawdb.SnapshotAccountPrefix, pos),
+ }
+}
+
+// Next steps the iterator forward one element, returning false if exhausted.
+func (it *diskAccountIterator) Next() bool {
+ // If the iterator was already exhausted, don't bother
+ if it.it == nil {
+ return false
+ }
+ // Try to advance the iterator and release it if we reached the end
+ for {
+ if !it.it.Next() {
+ it.it.Release()
+ it.it = nil
+ return false
+ }
+ if len(it.it.Key()) == len(rawdb.SnapshotAccountPrefix)+common.HashLength {
+ break
+ }
+ }
+ return true
+}
+
+// Error returns any failure that occurred during iteration, which might have
+// caused a premature iteration exit (e.g. snapshot stack becoming stale).
+//
+// A diff layer is immutable after creation content wise and can always be fully
+// iterated without error, so this method always returns nil.
+func (it *diskAccountIterator) Error() error {
+ if it.it == nil {
+ return nil // Iterator is exhausted and released
+ }
+ return it.it.Error()
+}
+
+// Hash returns the hash of the account the iterator is currently at.
+func (it *diskAccountIterator) Hash() common.Hash {
+ return common.BytesToHash(it.it.Key()) // The prefix will be truncated
+}
+
+// Account returns the RLP encoded slim account the iterator is currently at.
+func (it *diskAccountIterator) Account() []byte {
+ return it.it.Value()
+}
+
+// Release releases the database snapshot held during iteration.
+func (it *diskAccountIterator) Release() {
+ // The iterator is auto-released on exhaustion, so make sure it's still alive
+ if it.it != nil {
+ it.it.Release()
+ it.it = nil
+ }
+}
+
+// diffStorageIterator is a storage iterator that steps over the specific storage
+// (both live and deleted) contained within a single diff layer. Higher order
+// iterators will use the deleted slot to skip deeper iterators.
+type diffStorageIterator struct {
+ // curHash is the current hash the iterator is positioned on. The field is
+ // explicitly tracked since the referenced diff layer might go stale after
+ // the iterator was positioned and we don't want to fail accessing the old
+ // hash as long as the iterator is not touched any more.
+ curHash common.Hash
+ account common.Hash
+
+ layer *diffLayer // Live layer to retrieve values from
+ keys []common.Hash // Keys left in the layer to iterate
+ fail error // Any failures encountered (stale)
+}
+
+// StorageIterator creates a storage iterator over a single diff layer.
+// Execept the storage iterator is returned, there is an additional flag
+// "destructed" returned. If it's true then it means the whole storage is
+// destructed in this layer(maybe recreated too), don't bother deeper layer
+// for storage retrieval.
+func (dl *diffLayer) StorageIterator(account common.Hash, seek common.Hash) (StorageIterator, bool) {
+ // Create the storage for this account even it's marked
+ // as destructed. The iterator is for the new one which
+ // just has the same address as the deleted one.
+ hashes, destructed := dl.StorageList(account)
+ index := sort.Search(len(hashes), func(i int) bool {
+ return bytes.Compare(seek[:], hashes[i][:]) <= 0
+ })
+ // Assemble and returned the already seeked iterator
+ return &diffStorageIterator{
+ layer: dl,
+ account: account,
+ keys: hashes[index:],
+ }, destructed
+}
+
+// Next steps the iterator forward one element, returning false if exhausted.
+func (it *diffStorageIterator) Next() bool {
+ // If the iterator was already stale, consider it a programmer error. Although
+ // we could just return false here, triggering this path would probably mean
+ // somebody forgot to check for Error, so lets blow up instead of undefined
+ // behavior that's hard to debug.
+ if it.fail != nil {
+ panic(fmt.Sprintf("called Next of failed iterator: %v", it.fail))
+ }
+ // Stop iterating if all keys were exhausted
+ if len(it.keys) == 0 {
+ return false
+ }
+ if it.layer.Stale() {
+ it.fail, it.keys = ErrSnapshotStale, nil
+ return false
+ }
+ // Iterator seems to be still alive, retrieve and cache the live hash
+ it.curHash = it.keys[0]
+ // key cached, shift the iterator and notify the user of success
+ it.keys = it.keys[1:]
+ return true
+}
+
+// Error returns any failure that occurred during iteration, which might have
+// caused a premature iteration exit (e.g. snapshot stack becoming stale).
+func (it *diffStorageIterator) Error() error {
+ return it.fail
+}
+
+// Hash returns the hash of the storage slot the iterator is currently at.
+func (it *diffStorageIterator) Hash() common.Hash {
+ return it.curHash
+}
+
+// Slot returns the raw storage slot value the iterator is currently at.
+// This method may _fail_, if the underlying layer has been flattened between
+// the call to Next and Value. That type of error will set it.Err.
+// This method assumes that flattening does not delete elements from
+// the storage mapping (writing nil into it is fine though), and will panic
+// if elements have been deleted.
+//
+// Note the returned slot is not a copy, please don't modify it.
+func (it *diffStorageIterator) Slot() []byte {
+ it.layer.lock.RLock()
+ storage, ok := it.layer.storageData[it.account]
+ if !ok {
+ panic(fmt.Sprintf("iterator referenced non-existent account storage: %x", it.account))
+ }
+ // Storage slot might be nil(deleted), but it must exist
+ blob, ok := storage[it.curHash]
+ if !ok {
+ panic(fmt.Sprintf("iterator referenced non-existent storage slot: %x", it.curHash))
+ }
+ it.layer.lock.RUnlock()
+ if it.layer.Stale() {
+ it.fail, it.keys = ErrSnapshotStale, nil
+ }
+ return blob
+}
+
+// Release is a noop for diff account iterators as there are no held resources.
+func (it *diffStorageIterator) Release() {}
+
+// diskStorageIterator is a storage iterator that steps over the live storage
+// contained within a disk layer.
+type diskStorageIterator struct {
+ layer *diskLayer
+ account common.Hash
+ it ethdb.Iterator
+}
+
+// StorageIterator creates a storage iterator over a disk layer.
+// If the whole storage is destructed, then all entries in the disk
+// layer are deleted already. So the "destructed" flag returned here
+// is always false.
+func (dl *diskLayer) StorageIterator(account common.Hash, seek common.Hash) (StorageIterator, bool) {
+ pos := common.TrimRightZeroes(seek[:])
+ return &diskStorageIterator{
+ layer: dl,
+ account: account,
+ it: dl.diskdb.NewIterator(append(rawdb.SnapshotStoragePrefix, account.Bytes()...), pos),
+ }, false
+}
+
+// Next steps the iterator forward one element, returning false if exhausted.
+func (it *diskStorageIterator) Next() bool {
+ // If the iterator was already exhausted, don't bother
+ if it.it == nil {
+ return false
+ }
+ // Try to advance the iterator and release it if we reached the end
+ for {
+ if !it.it.Next() {
+ it.it.Release()
+ it.it = nil
+ return false
+ }
+ if len(it.it.Key()) == len(rawdb.SnapshotStoragePrefix)+common.HashLength+common.HashLength {
+ break
+ }
+ }
+ return true
+}
+
+// Error returns any failure that occurred during iteration, which might have
+// caused a premature iteration exit (e.g. snapshot stack becoming stale).
+//
+// A diff layer is immutable after creation content wise and can always be fully
+// iterated without error, so this method always returns nil.
+func (it *diskStorageIterator) Error() error {
+ if it.it == nil {
+ return nil // Iterator is exhausted and released
+ }
+ return it.it.Error()
+}
+
+// Hash returns the hash of the storage slot the iterator is currently at.
+func (it *diskStorageIterator) Hash() common.Hash {
+ return common.BytesToHash(it.it.Key()) // The prefix will be truncated
+}
+
+// Slot returns the raw strorage slot content the iterator is currently at.
+func (it *diskStorageIterator) Slot() []byte {
+ return it.it.Value()
+}
+
+// Release releases the database snapshot held during iteration.
+func (it *diskStorageIterator) Release() {
+ // The iterator is auto-released on exhaustion, so make sure it's still alive
+ if it.it != nil {
+ it.it.Release()
+ it.it = nil
+ }
+}
diff --git a/core/state/snapshot/iterator_binary.go b/core/state/snapshot/iterator_binary.go
new file mode 100644
index 0000000..f82f750
--- /dev/null
+++ b/core/state/snapshot/iterator_binary.go
@@ -0,0 +1,213 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+
+ "github.com/ethereum/go-ethereum/common"
+)
+
+// binaryIterator is a simplistic iterator to step over the accounts or storage
+// in a snapshot, which may or may not be composed of multiple layers. Performance
+// wise this iterator is slow, it's meant for cross validating the fast one,
+type binaryIterator struct {
+ a Iterator
+ b Iterator
+ aDone bool
+ bDone bool
+ accountIterator bool
+ k common.Hash
+ account common.Hash
+ fail error
+}
+
+// initBinaryAccountIterator creates a simplistic iterator to step over all the
+// accounts in a slow, but eaily verifiable way. Note this function is used for
+// initialization, use `newBinaryAccountIterator` as the API.
+func (dl *diffLayer) initBinaryAccountIterator() Iterator {
+ parent, ok := dl.parent.(*diffLayer)
+ if !ok {
+ l := &binaryIterator{
+ a: dl.AccountIterator(common.Hash{}),
+ b: dl.Parent().AccountIterator(common.Hash{}),
+ accountIterator: true,
+ }
+ l.aDone = !l.a.Next()
+ l.bDone = !l.b.Next()
+ return l
+ }
+ l := &binaryIterator{
+ a: dl.AccountIterator(common.Hash{}),
+ b: parent.initBinaryAccountIterator(),
+ accountIterator: true,
+ }
+ l.aDone = !l.a.Next()
+ l.bDone = !l.b.Next()
+ return l
+}
+
+// initBinaryStorageIterator creates a simplistic iterator to step over all the
+// storage slots in a slow, but eaily verifiable way. Note this function is used
+// for initialization, use `newBinaryStorageIterator` as the API.
+func (dl *diffLayer) initBinaryStorageIterator(account common.Hash) Iterator {
+ parent, ok := dl.parent.(*diffLayer)
+ if !ok {
+ // If the storage in this layer is already destructed, discard all
+ // deeper layers but still return an valid single-branch iterator.
+ a, destructed := dl.StorageIterator(account, common.Hash{})
+ if destructed {
+ l := &binaryIterator{
+ a: a,
+ account: account,
+ }
+ l.aDone = !l.a.Next()
+ l.bDone = true
+ return l
+ }
+ // The parent is disk layer, don't need to take care "destructed"
+ // anymore.
+ b, _ := dl.Parent().StorageIterator(account, common.Hash{})
+ l := &binaryIterator{
+ a: a,
+ b: b,
+ account: account,
+ }
+ l.aDone = !l.a.Next()
+ l.bDone = !l.b.Next()
+ return l
+ }
+ // If the storage in this layer is already destructed, discard all
+ // deeper layers but still return an valid single-branch iterator.
+ a, destructed := dl.StorageIterator(account, common.Hash{})
+ if destructed {
+ l := &binaryIterator{
+ a: a,
+ account: account,
+ }
+ l.aDone = !l.a.Next()
+ l.bDone = true
+ return l
+ }
+ l := &binaryIterator{
+ a: a,
+ b: parent.initBinaryStorageIterator(account),
+ account: account,
+ }
+ l.aDone = !l.a.Next()
+ l.bDone = !l.b.Next()
+ return l
+}
+
+// Next steps the iterator forward one element, returning false if exhausted,
+// or an error if iteration failed for some reason (e.g. root being iterated
+// becomes stale and garbage collected).
+func (it *binaryIterator) Next() bool {
+ if it.aDone && it.bDone {
+ return false
+ }
+first:
+ if it.aDone {
+ it.k = it.b.Hash()
+ it.bDone = !it.b.Next()
+ return true
+ }
+ if it.bDone {
+ it.k = it.a.Hash()
+ it.aDone = !it.a.Next()
+ return true
+ }
+ nextA, nextB := it.a.Hash(), it.b.Hash()
+ if diff := bytes.Compare(nextA[:], nextB[:]); diff < 0 {
+ it.aDone = !it.a.Next()
+ it.k = nextA
+ return true
+ } else if diff == 0 {
+ // Now we need to advance one of them
+ it.aDone = !it.a.Next()
+ goto first
+ }
+ it.bDone = !it.b.Next()
+ it.k = nextB
+ return true
+}
+
+// Error returns any failure that occurred during iteration, which might have
+// caused a premature iteration exit (e.g. snapshot stack becoming stale).
+func (it *binaryIterator) Error() error {
+ return it.fail
+}
+
+// Hash returns the hash of the account the iterator is currently at.
+func (it *binaryIterator) Hash() common.Hash {
+ return it.k
+}
+
+// Account returns the RLP encoded slim account the iterator is currently at, or
+// nil if the iterated snapshot stack became stale (you can check Error after
+// to see if it failed or not).
+//
+// Note the returned account is not a copy, please don't modify it.
+func (it *binaryIterator) Account() []byte {
+ if !it.accountIterator {
+ return nil
+ }
+ // The topmost iterator must be `diffAccountIterator`
+ blob, err := it.a.(*diffAccountIterator).layer.AccountRLP(it.k)
+ if err != nil {
+ it.fail = err
+ return nil
+ }
+ return blob
+}
+
+// Slot returns the raw storage slot data the iterator is currently at, or
+// nil if the iterated snapshot stack became stale (you can check Error after
+// to see if it failed or not).
+//
+// Note the returned slot is not a copy, please don't modify it.
+func (it *binaryIterator) Slot() []byte {
+ if it.accountIterator {
+ return nil
+ }
+ blob, err := it.a.(*diffStorageIterator).layer.Storage(it.account, it.k)
+ if err != nil {
+ it.fail = err
+ return nil
+ }
+ return blob
+}
+
+// Release recursively releases all the iterators in the stack.
+func (it *binaryIterator) Release() {
+ it.a.Release()
+ it.b.Release()
+}
+
+// newBinaryAccountIterator creates a simplistic account iterator to step over
+// all the accounts in a slow, but eaily verifiable way.
+func (dl *diffLayer) newBinaryAccountIterator() AccountIterator {
+ iter := dl.initBinaryAccountIterator()
+ return iter.(AccountIterator)
+}
+
+// newBinaryStorageIterator creates a simplistic account iterator to step over
+// all the storage slots in a slow, but eaily verifiable way.
+func (dl *diffLayer) newBinaryStorageIterator(account common.Hash) StorageIterator {
+ iter := dl.initBinaryStorageIterator(account)
+ return iter.(StorageIterator)
+}
diff --git a/core/state/snapshot/iterator_fast.go b/core/state/snapshot/iterator_fast.go
new file mode 100644
index 0000000..291d529
--- /dev/null
+++ b/core/state/snapshot/iterator_fast.go
@@ -0,0 +1,350 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "fmt"
+ "sort"
+
+ "github.com/ethereum/go-ethereum/common"
+)
+
+// weightedIterator is a iterator with an assigned weight. It is used to prioritise
+// which account or storage slot is the correct one if multiple iterators find the
+// same one (modified in multiple consecutive blocks).
+type weightedIterator struct {
+ it Iterator
+ priority int
+}
+
+// weightedIterators is a set of iterators implementing the sort.Interface.
+type weightedIterators []*weightedIterator
+
+// Len implements sort.Interface, returning the number of active iterators.
+func (its weightedIterators) Len() int { return len(its) }
+
+// Less implements sort.Interface, returning which of two iterators in the stack
+// is before the other.
+func (its weightedIterators) Less(i, j int) bool {
+ // Order the iterators primarily by the account hashes
+ hashI := its[i].it.Hash()
+ hashJ := its[j].it.Hash()
+
+ switch bytes.Compare(hashI[:], hashJ[:]) {
+ case -1:
+ return true
+ case 1:
+ return false
+ }
+ // Same account/storage-slot in multiple layers, split by priority
+ return its[i].priority < its[j].priority
+}
+
+// Swap implements sort.Interface, swapping two entries in the iterator stack.
+func (its weightedIterators) Swap(i, j int) {
+ its[i], its[j] = its[j], its[i]
+}
+
+// fastIterator is a more optimized multi-layer iterator which maintains a
+// direct mapping of all iterators leading down to the bottom layer.
+type fastIterator struct {
+ tree *Tree // Snapshot tree to reinitialize stale sub-iterators with
+ root common.Hash // Root hash to reinitialize stale sub-iterators through
+
+ curAccount []byte
+ curSlot []byte
+
+ iterators weightedIterators
+ initiated bool
+ account bool
+ fail error
+}
+
+// newFastIterator creates a new hierarhical account or storage iterator with one
+// element per diff layer. The returned combo iterator can be used to walk over
+// the entire snapshot diff stack simultaneously.
+func newFastIterator(tree *Tree, root common.Hash, account common.Hash, seek common.Hash, accountIterator bool) (*fastIterator, error) {
+ snap := tree.Snapshot(root)
+ if snap == nil {
+ return nil, fmt.Errorf("unknown snapshot: %x", root)
+ }
+ fi := &fastIterator{
+ tree: tree,
+ root: root,
+ account: accountIterator,
+ }
+ current := snap.(snapshot)
+ for depth := 0; current != nil; depth++ {
+ if accountIterator {
+ fi.iterators = append(fi.iterators, &weightedIterator{
+ it: current.AccountIterator(seek),
+ priority: depth,
+ })
+ } else {
+ // If the whole storage is destructed in this layer, don't
+ // bother deeper layer anymore. But we should still keep
+ // the iterator for this layer, since the iterator can contain
+ // some valid slots which belongs to the re-created account.
+ it, destructed := current.StorageIterator(account, seek)
+ fi.iterators = append(fi.iterators, &weightedIterator{
+ it: it,
+ priority: depth,
+ })
+ if destructed {
+ break
+ }
+ }
+ current = current.Parent()
+ }
+ fi.init()
+ return fi, nil
+}
+
+// init walks over all the iterators and resolves any clashes between them, after
+// which it prepares the stack for step-by-step iteration.
+func (fi *fastIterator) init() {
+ // Track which account hashes are iterators positioned on
+ var positioned = make(map[common.Hash]int)
+
+ // Position all iterators and track how many remain live
+ for i := 0; i < len(fi.iterators); i++ {
+ // Retrieve the first element and if it clashes with a previous iterator,
+ // advance either the current one or the old one. Repeat until nothing is
+ // clashing any more.
+ it := fi.iterators[i]
+ for {
+ // If the iterator is exhausted, drop it off the end
+ if !it.it.Next() {
+ it.it.Release()
+ last := len(fi.iterators) - 1
+
+ fi.iterators[i] = fi.iterators[last]
+ fi.iterators[last] = nil
+ fi.iterators = fi.iterators[:last]
+
+ i--
+ break
+ }
+ // The iterator is still alive, check for collisions with previous ones
+ hash := it.it.Hash()
+ if other, exist := positioned[hash]; !exist {
+ positioned[hash] = i
+ break
+ } else {
+ // Iterators collide, one needs to be progressed, use priority to
+ // determine which.
+ //
+ // This whole else-block can be avoided, if we instead
+ // do an initial priority-sort of the iterators. If we do that,
+ // then we'll only wind up here if a lower-priority (preferred) iterator
+ // has the same value, and then we will always just continue.
+ // However, it costs an extra sort, so it's probably not better
+ if fi.iterators[other].priority < it.priority {
+ // The 'it' should be progressed
+ continue
+ } else {
+ // The 'other' should be progressed, swap them
+ it = fi.iterators[other]
+ fi.iterators[other], fi.iterators[i] = fi.iterators[i], fi.iterators[other]
+ continue
+ }
+ }
+ }
+ }
+ // Re-sort the entire list
+ sort.Sort(fi.iterators)
+ fi.initiated = false
+}
+
+// Next steps the iterator forward one element, returning false if exhausted.
+func (fi *fastIterator) Next() bool {
+ if len(fi.iterators) == 0 {
+ return false
+ }
+ if !fi.initiated {
+ // Don't forward first time -- we had to 'Next' once in order to
+ // do the sorting already
+ fi.initiated = true
+ if fi.account {
+ fi.curAccount = fi.iterators[0].it.(AccountIterator).Account()
+ } else {
+ fi.curSlot = fi.iterators[0].it.(StorageIterator).Slot()
+ }
+ if innerErr := fi.iterators[0].it.Error(); innerErr != nil {
+ fi.fail = innerErr
+ return false
+ }
+ if fi.curAccount != nil || fi.curSlot != nil {
+ return true
+ }
+ // Implicit else: we've hit a nil-account or nil-slot, and need to
+ // fall through to the loop below to land on something non-nil
+ }
+ // If an account or a slot is deleted in one of the layers, the key will
+ // still be there, but the actual value will be nil. However, the iterator
+ // should not export nil-values (but instead simply omit the key), so we
+ // need to loop here until we either
+ // - get a non-nil value,
+ // - hit an error,
+ // - or exhaust the iterator
+ for {
+ if !fi.next(0) {
+ return false // exhausted
+ }
+ if fi.account {
+ fi.curAccount = fi.iterators[0].it.(AccountIterator).Account()
+ } else {
+ fi.curSlot = fi.iterators[0].it.(StorageIterator).Slot()
+ }
+ if innerErr := fi.iterators[0].it.Error(); innerErr != nil {
+ fi.fail = innerErr
+ return false // error
+ }
+ if fi.curAccount != nil || fi.curSlot != nil {
+ break // non-nil value found
+ }
+ }
+ return true
+}
+
+// next handles the next operation internally and should be invoked when we know
+// that two elements in the list may have the same value.
+//
+// For example, if the iterated hashes become [2,3,5,5,8,9,10], then we should
+// invoke next(3), which will call Next on elem 3 (the second '5') and will
+// cascade along the list, applying the same operation if needed.
+func (fi *fastIterator) next(idx int) bool {
+ // If this particular iterator got exhausted, remove it and return true (the
+ // next one is surely not exhausted yet, otherwise it would have been removed
+ // already).
+ if it := fi.iterators[idx].it; !it.Next() {
+ it.Release()
+
+ fi.iterators = append(fi.iterators[:idx], fi.iterators[idx+1:]...)
+ return len(fi.iterators) > 0
+ }
+ // If there's no one left to cascade into, return
+ if idx == len(fi.iterators)-1 {
+ return true
+ }
+ // We next-ed the iterator at 'idx', now we may have to re-sort that element
+ var (
+ cur, next = fi.iterators[idx], fi.iterators[idx+1]
+ curHash, nextHash = cur.it.Hash(), next.it.Hash()
+ )
+ if diff := bytes.Compare(curHash[:], nextHash[:]); diff < 0 {
+ // It is still in correct place
+ return true
+ } else if diff == 0 && cur.priority < next.priority {
+ // So still in correct place, but we need to iterate on the next
+ fi.next(idx + 1)
+ return true
+ }
+ // At this point, the iterator is in the wrong location, but the remaining
+ // list is sorted. Find out where to move the item.
+ clash := -1
+ index := sort.Search(len(fi.iterators), func(n int) bool {
+ // The iterator always advances forward, so anything before the old slot
+ // is known to be behind us, so just skip them altogether. This actually
+ // is an important clause since the sort order got invalidated.
+ if n < idx {
+ return false
+ }
+ if n == len(fi.iterators)-1 {
+ // Can always place an elem last
+ return true
+ }
+ nextHash := fi.iterators[n+1].it.Hash()
+ if diff := bytes.Compare(curHash[:], nextHash[:]); diff < 0 {
+ return true
+ } else if diff > 0 {
+ return false
+ }
+ // The elem we're placing it next to has the same value,
+ // so whichever winds up on n+1 will need further iteraton
+ clash = n + 1
+
+ return cur.priority < fi.iterators[n+1].priority
+ })
+ fi.move(idx, index)
+ if clash != -1 {
+ fi.next(clash)
+ }
+ return true
+}
+
+// move advances an iterator to another position in the list.
+func (fi *fastIterator) move(index, newpos int) {
+ elem := fi.iterators[index]
+ copy(fi.iterators[index:], fi.iterators[index+1:newpos+1])
+ fi.iterators[newpos] = elem
+}
+
+// Error returns any failure that occurred during iteration, which might have
+// caused a premature iteration exit (e.g. snapshot stack becoming stale).
+func (fi *fastIterator) Error() error {
+ return fi.fail
+}
+
+// Hash returns the current key
+func (fi *fastIterator) Hash() common.Hash {
+ return fi.iterators[0].it.Hash()
+}
+
+// Account returns the current account blob.
+// Note the returned account is not a copy, please don't modify it.
+func (fi *fastIterator) Account() []byte {
+ return fi.curAccount
+}
+
+// Slot returns the current storage slot.
+// Note the returned slot is not a copy, please don't modify it.
+func (fi *fastIterator) Slot() []byte {
+ return fi.curSlot
+}
+
+// Release iterates over all the remaining live layer iterators and releases each
+// of thme individually.
+func (fi *fastIterator) Release() {
+ for _, it := range fi.iterators {
+ it.it.Release()
+ }
+ fi.iterators = nil
+}
+
+// Debug is a convencience helper during testing
+func (fi *fastIterator) Debug() {
+ for _, it := range fi.iterators {
+ fmt.Printf("[p=%v v=%v] ", it.priority, it.it.Hash()[0])
+ }
+ fmt.Println()
+}
+
+// newFastAccountIterator creates a new hierarhical account iterator with one
+// element per diff layer. The returned combo iterator can be used to walk over
+// the entire snapshot diff stack simultaneously.
+func newFastAccountIterator(tree *Tree, root common.Hash, seek common.Hash) (AccountIterator, error) {
+ return newFastIterator(tree, root, common.Hash{}, seek, true)
+}
+
+// newFastStorageIterator creates a new hierarhical storage iterator with one
+// element per diff layer. The returned combo iterator can be used to walk over
+// the entire snapshot diff stack simultaneously.
+func newFastStorageIterator(tree *Tree, root common.Hash, account common.Hash, seek common.Hash) (StorageIterator, error) {
+ return newFastIterator(tree, root, account, seek, false)
+}
diff --git a/core/state/snapshot/journal.go b/core/state/snapshot/journal.go
new file mode 100644
index 0000000..3d4c9de
--- /dev/null
+++ b/core/state/snapshot/journal.go
@@ -0,0 +1,270 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "encoding/binary"
+ "errors"
+ "fmt"
+ "io"
+ "time"
+
+ "github.com/VictoriaMetrics/fastcache"
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
+)
+
+// journalGenerator is a disk layer entry containing the generator progress marker.
+type journalGenerator struct {
+ Wiping bool // Whether the database was in progress of being wiped
+ Done bool // Whether the generator finished creating the snapshot
+ Marker []byte
+ Accounts uint64
+ Slots uint64
+ Storage uint64
+}
+
+// journalDestruct is an account deletion entry in a diffLayer's disk journal.
+type journalDestruct struct {
+ Hash common.Hash
+}
+
+// journalAccount is an account entry in a diffLayer's disk journal.
+type journalAccount struct {
+ Hash common.Hash
+ Blob []byte
+}
+
+// journalStorage is an account's storage map in a diffLayer's disk journal.
+type journalStorage struct {
+ Hash common.Hash
+ Keys []common.Hash
+ Vals [][]byte
+}
+
+// loadSnapshot loads a pre-existing state snapshot backed by a key-value store.
+func loadSnapshot(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, root common.Hash) (snapshot, error) {
+ // Retrieve the block number and hash of the snapshot, failing if no snapshot
+ // is present in the database (or crashed mid-update).
+ baseRoot := rawdb.ReadSnapshotRoot(diskdb)
+ if baseRoot == (common.Hash{}) {
+ return nil, errors.New("missing or corrupted snapshot")
+ }
+ base := &diskLayer{
+ diskdb: diskdb,
+ triedb: triedb,
+ cache: fastcache.New(cache * 1024 * 1024),
+ root: baseRoot,
+ }
+ // Retrieve the journal, it must exist since even for 0 layer it stores whether
+ // we've already generated the snapshot or are in progress only
+ journal := rawdb.ReadSnapshotJournal(diskdb)
+ if len(journal) == 0 {
+ return nil, errors.New("missing or corrupted snapshot journal")
+ }
+ r := rlp.NewStream(bytes.NewReader(journal), 0)
+
+ // Read the snapshot generation progress for the disk layer
+ var generator journalGenerator
+ if err := r.Decode(&generator); err != nil {
+ return nil, fmt.Errorf("failed to load snapshot progress marker: %v", err)
+ }
+ // Load all the snapshot diffs from the journal
+ snapshot, err := loadDiffLayer(base, r)
+ if err != nil {
+ return nil, err
+ }
+ // Entire snapshot journal loaded, sanity check the head and return
+ // Journal doesn't exist, don't worry if it's not supposed to
+ if head := snapshot.Root(); head != root {
+ return nil, fmt.Errorf("head doesn't match snapshot: have %#x, want %#x", head, root)
+ }
+ // Everything loaded correctly, resume any suspended operations
+ if !generator.Done {
+ // If the generator was still wiping, restart one from scratch (fine for
+ // now as it's rare and the wiper deletes the stuff it touches anyway, so
+ // restarting won't incur a lot of extra database hops.
+ var wiper chan struct{}
+ if generator.Wiping {
+ log.Info("Resuming previous snapshot wipe")
+ wiper = wipeSnapshot(diskdb, false)
+ }
+ // Whether or not wiping was in progress, load any generator progress too
+ base.genMarker = generator.Marker
+ if base.genMarker == nil {
+ base.genMarker = []byte{}
+ }
+ base.genPending = make(chan struct{})
+ base.genAbort = make(chan chan *generatorStats)
+
+ var origin uint64
+ if len(generator.Marker) >= 8 {
+ origin = binary.BigEndian.Uint64(generator.Marker)
+ }
+ go base.generate(&generatorStats{
+ wiping: wiper,
+ origin: origin,
+ start: time.Now(),
+ accounts: generator.Accounts,
+ slots: generator.Slots,
+ storage: common.StorageSize(generator.Storage),
+ })
+ }
+ return snapshot, nil
+}
+
+// loadDiffLayer reads the next sections of a snapshot journal, reconstructing a new
+// diff and verifying that it can be linked to the requested parent.
+func loadDiffLayer(parent snapshot, r *rlp.Stream) (snapshot, error) {
+ // Read the next diff journal entry
+ var root common.Hash
+ if err := r.Decode(&root); err != nil {
+ // The first read may fail with EOF, marking the end of the journal
+ if err == io.EOF {
+ return parent, nil
+ }
+ return nil, fmt.Errorf("load diff root: %v", err)
+ }
+ var destructs []journalDestruct
+ if err := r.Decode(&destructs); err != nil {
+ return nil, fmt.Errorf("load diff destructs: %v", err)
+ }
+ destructSet := make(map[common.Hash]struct{})
+ for _, entry := range destructs {
+ destructSet[entry.Hash] = struct{}{}
+ }
+ var accounts []journalAccount
+ if err := r.Decode(&accounts); err != nil {
+ return nil, fmt.Errorf("load diff accounts: %v", err)
+ }
+ accountData := make(map[common.Hash][]byte)
+ for _, entry := range accounts {
+ if len(entry.Blob) > 0 { // RLP loses nil-ness, but `[]byte{}` is not a valid item, so reinterpret that
+ accountData[entry.Hash] = entry.Blob
+ } else {
+ accountData[entry.Hash] = nil
+ }
+ }
+ var storage []journalStorage
+ if err := r.Decode(&storage); err != nil {
+ return nil, fmt.Errorf("load diff storage: %v", err)
+ }
+ storageData := make(map[common.Hash]map[common.Hash][]byte)
+ for _, entry := range storage {
+ slots := make(map[common.Hash][]byte)
+ for i, key := range entry.Keys {
+ if len(entry.Vals[i]) > 0 { // RLP loses nil-ness, but `[]byte{}` is not a valid item, so reinterpret that
+ slots[key] = entry.Vals[i]
+ } else {
+ slots[key] = nil
+ }
+ }
+ storageData[entry.Hash] = slots
+ }
+ return loadDiffLayer(newDiffLayer(parent, root, destructSet, accountData, storageData), r)
+}
+
+// Journal writes the persistent layer generator stats into a buffer to be stored
+// in the database as the snapshot journal.
+func (dl *diskLayer) Journal(buffer *bytes.Buffer) (common.Hash, error) {
+ // If the snapshot is currently being generated, abort it
+ var stats *generatorStats
+ if dl.genAbort != nil {
+ abort := make(chan *generatorStats)
+ dl.genAbort <- abort
+
+ if stats = <-abort; stats != nil {
+ stats.Log("Journalling in-progress snapshot", dl.root, dl.genMarker)
+ }
+ }
+ // Ensure the layer didn't get stale
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ if dl.stale {
+ return common.Hash{}, ErrSnapshotStale
+ }
+ // Write out the generator marker
+ entry := journalGenerator{
+ Done: dl.genMarker == nil,
+ Marker: dl.genMarker,
+ }
+ if stats != nil {
+ entry.Wiping = (stats.wiping != nil)
+ entry.Accounts = stats.accounts
+ entry.Slots = stats.slots
+ entry.Storage = uint64(stats.storage)
+ }
+ if err := rlp.Encode(buffer, entry); err != nil {
+ return common.Hash{}, err
+ }
+ return dl.root, nil
+}
+
+// Journal writes the memory layer contents into a buffer to be stored in the
+// database as the snapshot journal.
+func (dl *diffLayer) Journal(buffer *bytes.Buffer) (common.Hash, error) {
+ // Journal the parent first
+ base, err := dl.parent.Journal(buffer)
+ if err != nil {
+ return common.Hash{}, err
+ }
+ // Ensure the layer didn't get stale
+ dl.lock.RLock()
+ defer dl.lock.RUnlock()
+
+ if dl.Stale() {
+ return common.Hash{}, ErrSnapshotStale
+ }
+ // Everything below was journalled, persist this layer too
+ if err := rlp.Encode(buffer, dl.root); err != nil {
+ return common.Hash{}, err
+ }
+ destructs := make([]journalDestruct, 0, len(dl.destructSet))
+ for hash := range dl.destructSet {
+ destructs = append(destructs, journalDestruct{Hash: hash})
+ }
+ if err := rlp.Encode(buffer, destructs); err != nil {
+ return common.Hash{}, err
+ }
+ accounts := make([]journalAccount, 0, len(dl.accountData))
+ for hash, blob := range dl.accountData {
+ accounts = append(accounts, journalAccount{Hash: hash, Blob: blob})
+ }
+ if err := rlp.Encode(buffer, accounts); err != nil {
+ return common.Hash{}, err
+ }
+ storage := make([]journalStorage, 0, len(dl.storageData))
+ for hash, slots := range dl.storageData {
+ keys := make([]common.Hash, 0, len(slots))
+ vals := make([][]byte, 0, len(slots))
+ for key, val := range slots {
+ keys = append(keys, key)
+ vals = append(vals, val)
+ }
+ storage = append(storage, journalStorage{Hash: hash, Keys: keys, Vals: vals})
+ }
+ if err := rlp.Encode(buffer, storage); err != nil {
+ return common.Hash{}, err
+ }
+ return base, nil
+}
diff --git a/core/state/snapshot/snapshot.go b/core/state/snapshot/snapshot.go
new file mode 100644
index 0000000..3348685
--- /dev/null
+++ b/core/state/snapshot/snapshot.go
@@ -0,0 +1,619 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package snapshot implements a journalled, dynamic state dump.
+package snapshot
+
+import (
+ "bytes"
+ "errors"
+ "fmt"
+ "sync"
+ "sync/atomic"
+
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/trie"
+)
+
+var (
+ snapshotCleanAccountHitMeter = metrics.NewRegisteredMeter("state/snapshot/clean/account/hit", nil)
+ snapshotCleanAccountMissMeter = metrics.NewRegisteredMeter("state/snapshot/clean/account/miss", nil)
+ snapshotCleanAccountInexMeter = metrics.NewRegisteredMeter("state/snapshot/clean/account/inex", nil)
+ snapshotCleanAccountReadMeter = metrics.NewRegisteredMeter("state/snapshot/clean/account/read", nil)
+ snapshotCleanAccountWriteMeter = metrics.NewRegisteredMeter("state/snapshot/clean/account/write", nil)
+
+ snapshotCleanStorageHitMeter = metrics.NewRegisteredMeter("state/snapshot/clean/storage/hit", nil)
+ snapshotCleanStorageMissMeter = metrics.NewRegisteredMeter("state/snapshot/clean/storage/miss", nil)
+ snapshotCleanStorageInexMeter = metrics.NewRegisteredMeter("state/snapshot/clean/storage/inex", nil)
+ snapshotCleanStorageReadMeter = metrics.NewRegisteredMeter("state/snapshot/clean/storage/read", nil)
+ snapshotCleanStorageWriteMeter = metrics.NewRegisteredMeter("state/snapshot/clean/storage/write", nil)
+
+ snapshotDirtyAccountHitMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/account/hit", nil)
+ snapshotDirtyAccountMissMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/account/miss", nil)
+ snapshotDirtyAccountInexMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/account/inex", nil)
+ snapshotDirtyAccountReadMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/account/read", nil)
+ snapshotDirtyAccountWriteMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/account/write", nil)
+
+ snapshotDirtyStorageHitMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/storage/hit", nil)
+ snapshotDirtyStorageMissMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/storage/miss", nil)
+ snapshotDirtyStorageInexMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/storage/inex", nil)
+ snapshotDirtyStorageReadMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/storage/read", nil)
+ snapshotDirtyStorageWriteMeter = metrics.NewRegisteredMeter("state/snapshot/dirty/storage/write", nil)
+
+ snapshotDirtyAccountHitDepthHist = metrics.NewRegisteredHistogram("state/snapshot/dirty/account/hit/depth", nil, metrics.NewExpDecaySample(1028, 0.015))
+ snapshotDirtyStorageHitDepthHist = metrics.NewRegisteredHistogram("state/snapshot/dirty/storage/hit/depth", nil, metrics.NewExpDecaySample(1028, 0.015))
+
+ snapshotFlushAccountItemMeter = metrics.NewRegisteredMeter("state/snapshot/flush/account/item", nil)
+ snapshotFlushAccountSizeMeter = metrics.NewRegisteredMeter("state/snapshot/flush/account/size", nil)
+ snapshotFlushStorageItemMeter = metrics.NewRegisteredMeter("state/snapshot/flush/storage/item", nil)
+ snapshotFlushStorageSizeMeter = metrics.NewRegisteredMeter("state/snapshot/flush/storage/size", nil)
+
+ snapshotBloomIndexTimer = metrics.NewRegisteredResettingTimer("state/snapshot/bloom/index", nil)
+ snapshotBloomErrorGauge = metrics.NewRegisteredGaugeFloat64("state/snapshot/bloom/error", nil)
+
+ snapshotBloomAccountTrueHitMeter = metrics.NewRegisteredMeter("state/snapshot/bloom/account/truehit", nil)
+ snapshotBloomAccountFalseHitMeter = metrics.NewRegisteredMeter("state/snapshot/bloom/account/falsehit", nil)
+ snapshotBloomAccountMissMeter = metrics.NewRegisteredMeter("state/snapshot/bloom/account/miss", nil)
+
+ snapshotBloomStorageTrueHitMeter = metrics.NewRegisteredMeter("state/snapshot/bloom/storage/truehit", nil)
+ snapshotBloomStorageFalseHitMeter = metrics.NewRegisteredMeter("state/snapshot/bloom/storage/falsehit", nil)
+ snapshotBloomStorageMissMeter = metrics.NewRegisteredMeter("state/snapshot/bloom/storage/miss", nil)
+
+ // ErrSnapshotStale is returned from data accessors if the underlying snapshot
+ // layer had been invalidated due to the chain progressing forward far enough
+ // to not maintain the layer's original state.
+ ErrSnapshotStale = errors.New("snapshot stale")
+
+ // ErrNotCoveredYet is returned from data accessors if the underlying snapshot
+ // is being generated currently and the requested data item is not yet in the
+ // range of accounts covered.
+ ErrNotCoveredYet = errors.New("not covered yet")
+
+ // errSnapshotCycle is returned if a snapshot is attempted to be inserted
+ // that forms a cycle in the snapshot tree.
+ errSnapshotCycle = errors.New("snapshot cycle")
+)
+
+// Snapshot represents the functionality supported by a snapshot storage layer.
+type Snapshot interface {
+ // Root returns the root hash for which this snapshot was made.
+ Root() common.Hash
+
+ // Account directly retrieves the account associated with a particular hash in
+ // the snapshot slim data format.
+ Account(hash common.Hash) (*Account, error)
+
+ // AccountRLP directly retrieves the account RLP associated with a particular
+ // hash in the snapshot slim data format.
+ AccountRLP(hash common.Hash) ([]byte, error)
+
+ // Storage directly retrieves the storage data associated with a particular hash,
+ // within a particular account.
+ Storage(accountHash, storageHash common.Hash) ([]byte, error)
+}
+
+// snapshot is the internal version of the snapshot data layer that supports some
+// additional methods compared to the public API.
+type snapshot interface {
+ Snapshot
+
+ // Parent returns the subsequent layer of a snapshot, or nil if the base was
+ // reached.
+ //
+ // Note, the method is an internal helper to avoid type switching between the
+ // disk and diff layers. There is no locking involved.
+ Parent() snapshot
+
+ // Update creates a new layer on top of the existing snapshot diff tree with
+ // the specified data items.
+ //
+ // Note, the maps are retained by the method to avoid copying everything.
+ Update(blockRoot common.Hash, destructs map[common.Hash]struct{}, accounts map[common.Hash][]byte, storage map[common.Hash]map[common.Hash][]byte) *diffLayer
+
+ // Journal commits an entire diff hierarchy to disk into a single journal entry.
+ // This is meant to be used during shutdown to persist the snapshot without
+ // flattening everything down (bad for reorgs).
+ Journal(buffer *bytes.Buffer) (common.Hash, error)
+
+ // Stale return whether this layer has become stale (was flattened across) or
+ // if it's still live.
+ Stale() bool
+
+ // AccountIterator creates an account iterator over an arbitrary layer.
+ AccountIterator(seek common.Hash) AccountIterator
+
+ // StorageIterator creates a storage iterator over an arbitrary layer.
+ StorageIterator(account common.Hash, seek common.Hash) (StorageIterator, bool)
+}
+
+// SnapshotTree is an Ethereum state snapshot tree. It consists of one persistent
+// base layer backed by a key-value store, on top of which arbitrarily many in-
+// memory diff layers are topped. The memory diffs can form a tree with branching,
+// but the disk layer is singleton and common to all. If a reorg goes deeper than
+// the disk layer, everything needs to be deleted.
+//
+// The goal of a state snapshot is twofold: to allow direct access to account and
+// storage data to avoid expensive multi-level trie lookups; and to allow sorted,
+// cheap iteration of the account/storage tries for sync aid.
+type Tree struct {
+ diskdb ethdb.KeyValueStore // Persistent database to store the snapshot
+ triedb *trie.Database // In-memory cache to access the trie through
+ cache int // Megabytes permitted to use for read caches
+ layers map[common.Hash]snapshot // Collection of all known layers
+ lock sync.RWMutex
+}
+
+// New attempts to load an already existing snapshot from a persistent key-value
+// store (with a number of memory layers from a journal), ensuring that the head
+// of the snapshot matches the expected one.
+//
+// If the snapshot is missing or inconsistent, the entirety is deleted and will
+// be reconstructed from scratch based on the tries in the key-value store, on a
+// background thread.
+func New(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, root common.Hash, async bool) *Tree {
+ // Create a new, empty snapshot tree
+ snap := &Tree{
+ diskdb: diskdb,
+ triedb: triedb,
+ cache: cache,
+ layers: make(map[common.Hash]snapshot),
+ }
+ if !async {
+ defer snap.waitBuild()
+ }
+ // Attempt to load a previously persisted snapshot and rebuild one if failed
+ head, err := loadSnapshot(diskdb, triedb, cache, root)
+ if err != nil {
+ log.Warn("Failed to load snapshot, regenerating", "err", err)
+ snap.Rebuild(root)
+ return snap
+ }
+ // Existing snapshot loaded, seed all the layers
+ for head != nil {
+ snap.layers[head.Root()] = head
+ head = head.Parent()
+ }
+ return snap
+}
+
+// waitBuild blocks until the snapshot finishes rebuilding. This method is meant
+// to be used by tests to ensure we're testing what we believe we are.
+func (t *Tree) waitBuild() {
+ // Find the rebuild termination channel
+ var done chan struct{}
+
+ t.lock.RLock()
+ for _, layer := range t.layers {
+ if layer, ok := layer.(*diskLayer); ok {
+ done = layer.genPending
+ break
+ }
+ }
+ t.lock.RUnlock()
+
+ // Wait until the snapshot is generated
+ if done != nil {
+ <-done
+ }
+}
+
+// Snapshot retrieves a snapshot belonging to the given block root, or nil if no
+// snapshot is maintained for that block.
+func (t *Tree) Snapshot(blockRoot common.Hash) Snapshot {
+ t.lock.RLock()
+ defer t.lock.RUnlock()
+
+ return t.layers[blockRoot]
+}
+
+// Update adds a new snapshot into the tree, if that can be linked to an existing
+// old parent. It is disallowed to insert a disk layer (the origin of all).
+func (t *Tree) Update(blockRoot common.Hash, parentRoot common.Hash, destructs map[common.Hash]struct{}, accounts map[common.Hash][]byte, storage map[common.Hash]map[common.Hash][]byte) error {
+ // Reject noop updates to avoid self-loops in the snapshot tree. This is a
+ // special case that can only happen for Clique networks where empty blocks
+ // don't modify the state (0 block subsidy).
+ //
+ // Although we could silently ignore this internally, it should be the caller's
+ // responsibility to avoid even attempting to insert such a snapshot.
+ if blockRoot == parentRoot {
+ return errSnapshotCycle
+ }
+ // Generate a new snapshot on top of the parent
+ parent := t.Snapshot(parentRoot).(snapshot)
+ if parent == nil {
+ return fmt.Errorf("parent [%#x] snapshot missing", parentRoot)
+ }
+ snap := parent.Update(blockRoot, destructs, accounts, storage)
+
+ // Save the new snapshot for later
+ t.lock.Lock()
+ defer t.lock.Unlock()
+
+ t.layers[snap.root] = snap
+ return nil
+}
+
+// Cap traverses downwards the snapshot tree from a head block hash until the
+// number of allowed layers are crossed. All layers beyond the permitted number
+// are flattened downwards.
+func (t *Tree) Cap(root common.Hash, layers int) error {
+ // Retrieve the head snapshot to cap from
+ snap := t.Snapshot(root)
+ if snap == nil {
+ return fmt.Errorf("snapshot [%#x] missing", root)
+ }
+ diff, ok := snap.(*diffLayer)
+ if !ok {
+ return fmt.Errorf("snapshot [%#x] is disk layer", root)
+ }
+ // If the generator is still running, use a more aggressive cap
+ diff.origin.lock.RLock()
+ if diff.origin.genMarker != nil && layers > 8 {
+ layers = 8
+ }
+ diff.origin.lock.RUnlock()
+
+ // Run the internal capping and discard all stale layers
+ t.lock.Lock()
+ defer t.lock.Unlock()
+
+ // Flattening the bottom-most diff layer requires special casing since there's
+ // no child to rewire to the grandparent. In that case we can fake a temporary
+ // child for the capping and then remove it.
+ var persisted *diskLayer
+
+ switch layers {
+ case 0:
+ // If full commit was requested, flatten the diffs and merge onto disk
+ diff.lock.RLock()
+ base := diffToDisk(diff.flatten().(*diffLayer))
+ diff.lock.RUnlock()
+
+ // Replace the entire snapshot tree with the flat base
+ t.layers = map[common.Hash]snapshot{base.root: base}
+ return nil
+
+ case 1:
+ // If full flattening was requested, flatten the diffs but only merge if the
+ // memory limit was reached
+ var (
+ bottom *diffLayer
+ base *diskLayer
+ )
+ diff.lock.RLock()
+ bottom = diff.flatten().(*diffLayer)
+ if bottom.memory >= aggregatorMemoryLimit {
+ base = diffToDisk(bottom)
+ }
+ diff.lock.RUnlock()
+
+ // If all diff layers were removed, replace the entire snapshot tree
+ if base != nil {
+ t.layers = map[common.Hash]snapshot{base.root: base}
+ return nil
+ }
+ // Merge the new aggregated layer into the snapshot tree, clean stales below
+ t.layers[bottom.root] = bottom
+
+ default:
+ // Many layers requested to be retained, cap normally
+ persisted = t.cap(diff, layers)
+ }
+ // Remove any layer that is stale or links into a stale layer
+ children := make(map[common.Hash][]common.Hash)
+ for root, snap := range t.layers {
+ if diff, ok := snap.(*diffLayer); ok {
+ parent := diff.parent.Root()
+ children[parent] = append(children[parent], root)
+ }
+ }
+ var remove func(root common.Hash)
+ remove = func(root common.Hash) {
+ delete(t.layers, root)
+ for _, child := range children[root] {
+ remove(child)
+ }
+ delete(children, root)
+ }
+ for root, snap := range t.layers {
+ if snap.Stale() {
+ remove(root)
+ }
+ }
+ // If the disk layer was modified, regenerate all the cumulative blooms
+ if persisted != nil {
+ var rebloom func(root common.Hash)
+ rebloom = func(root common.Hash) {
+ if diff, ok := t.layers[root].(*diffLayer); ok {
+ diff.rebloom(persisted)
+ }
+ for _, child := range children[root] {
+ rebloom(child)
+ }
+ }
+ rebloom(persisted.root)
+ }
+ return nil
+}
+
+// cap traverses downwards the diff tree until the number of allowed layers are
+// crossed. All diffs beyond the permitted number are flattened downwards. If the
+// layer limit is reached, memory cap is also enforced (but not before).
+//
+// The method returns the new disk layer if diffs were persistend into it.
+func (t *Tree) cap(diff *diffLayer, layers int) *diskLayer {
+ // Dive until we run out of layers or reach the persistent database
+ for ; layers > 2; layers-- {
+ // If we still have diff layers below, continue down
+ if parent, ok := diff.parent.(*diffLayer); ok {
+ diff = parent
+ } else {
+ // Diff stack too shallow, return without modifications
+ return nil
+ }
+ }
+ // We're out of layers, flatten anything below, stopping if it's the disk or if
+ // the memory limit is not yet exceeded.
+ switch parent := diff.parent.(type) {
+ case *diskLayer:
+ return nil
+
+ case *diffLayer:
+ // Flatten the parent into the grandparent. The flattening internally obtains a
+ // write lock on grandparent.
+ flattened := parent.flatten().(*diffLayer)
+ t.layers[flattened.root] = flattened
+
+ diff.lock.Lock()
+ defer diff.lock.Unlock()
+
+ diff.parent = flattened
+ if flattened.memory < aggregatorMemoryLimit {
+ // Accumulator layer is smaller than the limit, so we can abort, unless
+ // there's a snapshot being generated currently. In that case, the trie
+ // will move fron underneath the generator so we **must** merge all the
+ // partial data down into the snapshot and restart the generation.
+ if flattened.parent.(*diskLayer).genAbort == nil {
+ return nil
+ }
+ }
+ default:
+ panic(fmt.Sprintf("unknown data layer: %T", parent))
+ }
+ // If the bottom-most layer is larger than our memory cap, persist to disk
+ bottom := diff.parent.(*diffLayer)
+
+ bottom.lock.RLock()
+ base := diffToDisk(bottom)
+ bottom.lock.RUnlock()
+
+ t.layers[base.root] = base
+ diff.parent = base
+ return base
+}
+
+// diffToDisk merges a bottom-most diff into the persistent disk layer underneath
+// it. The method will panic if called onto a non-bottom-most diff layer.
+func diffToDisk(bottom *diffLayer) *diskLayer {
+ var (
+ base = bottom.parent.(*diskLayer)
+ batch = base.diskdb.NewBatch()
+ stats *generatorStats
+ )
+ // If the disk layer is running a snapshot generator, abort it
+ if base.genAbort != nil {
+ abort := make(chan *generatorStats)
+ base.genAbort <- abort
+ stats = <-abort
+ }
+ // Start by temporarily deleting the current snapshot block marker. This
+ // ensures that in the case of a crash, the entire snapshot is invalidated.
+ rawdb.DeleteSnapshotRoot(batch)
+
+ // Mark the original base as stale as we're going to create a new wrapper
+ base.lock.Lock()
+ if base.stale {
+ panic("parent disk layer is stale") // we've committed into the same base from two children, boo
+ }
+ base.stale = true
+ base.lock.Unlock()
+
+ // Destroy all the destructed accounts from the database
+ for hash := range bottom.destructSet {
+ // Skip any account not covered yet by the snapshot
+ if base.genMarker != nil && bytes.Compare(hash[:], base.genMarker) > 0 {
+ continue
+ }
+ // Remove all storage slots
+ rawdb.DeleteAccountSnapshot(batch, hash)
+ base.cache.Set(hash[:], nil)
+
+ it := rawdb.IterateStorageSnapshots(base.diskdb, hash)
+ for it.Next() {
+ if key := it.Key(); len(key) == 65 { // TODO(karalabe): Yuck, we should move this into the iterator
+ batch.Delete(key)
+ base.cache.Del(key[1:])
+
+ snapshotFlushStorageItemMeter.Mark(1)
+ }
+ }
+ it.Release()
+ }
+ // Push all updated accounts into the database
+ for hash, data := range bottom.accountData {
+ // Skip any account not covered yet by the snapshot
+ if base.genMarker != nil && bytes.Compare(hash[:], base.genMarker) > 0 {
+ continue
+ }
+ // Push the account to disk
+ rawdb.WriteAccountSnapshot(batch, hash, data)
+ base.cache.Set(hash[:], data)
+ snapshotCleanAccountWriteMeter.Mark(int64(len(data)))
+
+ if batch.ValueSize() > ethdb.IdealBatchSize {
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write account snapshot", "err", err)
+ }
+ batch.Reset()
+ }
+ snapshotFlushAccountItemMeter.Mark(1)
+ snapshotFlushAccountSizeMeter.Mark(int64(len(data)))
+ }
+ // Push all the storage slots into the database
+ for accountHash, storage := range bottom.storageData {
+ // Skip any account not covered yet by the snapshot
+ if base.genMarker != nil && bytes.Compare(accountHash[:], base.genMarker) > 0 {
+ continue
+ }
+ // Generation might be mid-account, track that case too
+ midAccount := base.genMarker != nil && bytes.Equal(accountHash[:], base.genMarker[:common.HashLength])
+
+ for storageHash, data := range storage {
+ // Skip any slot not covered yet by the snapshot
+ if midAccount && bytes.Compare(storageHash[:], base.genMarker[common.HashLength:]) > 0 {
+ continue
+ }
+ if len(data) > 0 {
+ rawdb.WriteStorageSnapshot(batch, accountHash, storageHash, data)
+ base.cache.Set(append(accountHash[:], storageHash[:]...), data)
+ snapshotCleanStorageWriteMeter.Mark(int64(len(data)))
+ } else {
+ rawdb.DeleteStorageSnapshot(batch, accountHash, storageHash)
+ base.cache.Set(append(accountHash[:], storageHash[:]...), nil)
+ }
+ snapshotFlushStorageItemMeter.Mark(1)
+ snapshotFlushStorageSizeMeter.Mark(int64(len(data)))
+ }
+ if batch.ValueSize() > ethdb.IdealBatchSize {
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write storage snapshot", "err", err)
+ }
+ batch.Reset()
+ }
+ }
+ // Update the snapshot block marker and write any remainder data
+ rawdb.WriteSnapshotRoot(batch, bottom.root)
+ if err := batch.Write(); err != nil {
+ log.Crit("Failed to write leftover snapshot", "err", err)
+ }
+ res := &diskLayer{
+ root: bottom.root,
+ cache: base.cache,
+ diskdb: base.diskdb,
+ triedb: base.triedb,
+ genMarker: base.genMarker,
+ genPending: base.genPending,
+ }
+ // If snapshot generation hasn't finished yet, port over all the starts and
+ // continue where the previous round left off.
+ //
+ // Note, the `base.genAbort` comparison is not used normally, it's checked
+ // to allow the tests to play with the marker without triggering this path.
+ if base.genMarker != nil && base.genAbort != nil {
+ res.genMarker = base.genMarker
+ res.genAbort = make(chan chan *generatorStats)
+ go res.generate(stats)
+ }
+ return res
+}
+
+// Journal commits an entire diff hierarchy to disk into a single journal entry.
+// This is meant to be used during shutdown to persist the snapshot without
+// flattening everything down (bad for reorgs).
+//
+// The method returns the root hash of the base layer that needs to be persisted
+// to disk as a trie too to allow continuing any pending generation op.
+func (t *Tree) Journal(root common.Hash) (common.Hash, error) {
+ // Retrieve the head snapshot to journal from var snap snapshot
+ snap := t.Snapshot(root)
+ if snap == nil {
+ return common.Hash{}, fmt.Errorf("snapshot [%#x] missing", root)
+ }
+ // Run the journaling
+ t.lock.Lock()
+ defer t.lock.Unlock()
+
+ journal := new(bytes.Buffer)
+ base, err := snap.(snapshot).Journal(journal)
+ if err != nil {
+ return common.Hash{}, err
+ }
+ // Store the journal into the database and return
+ rawdb.WriteSnapshotJournal(t.diskdb, journal.Bytes())
+ return base, nil
+}
+
+// Rebuild wipes all available snapshot data from the persistent database and
+// discard all caches and diff layers. Afterwards, it starts a new snapshot
+// generator with the given root hash.
+func (t *Tree) Rebuild(root common.Hash) {
+ t.lock.Lock()
+ defer t.lock.Unlock()
+
+ // Track whether there's a wipe currently running and keep it alive if so
+ var wiper chan struct{}
+
+ // Iterate over and mark all layers stale
+ for _, layer := range t.layers {
+ switch layer := layer.(type) {
+ case *diskLayer:
+ // If the base layer is generating, abort it and save
+ if layer.genAbort != nil {
+ abort := make(chan *generatorStats)
+ layer.genAbort <- abort
+
+ if stats := <-abort; stats != nil {
+ wiper = stats.wiping
+ }
+ }
+ // Layer should be inactive now, mark it as stale
+ layer.lock.Lock()
+ layer.stale = true
+ layer.lock.Unlock()
+
+ case *diffLayer:
+ // If the layer is a simple diff, simply mark as stale
+ layer.lock.Lock()
+ atomic.StoreUint32(&layer.stale, 1)
+ layer.lock.Unlock()
+
+ default:
+ panic(fmt.Sprintf("unknown layer type: %T", layer))
+ }
+ }
+ // Start generating a new snapshot from scratch on a backgroung thread. The
+ // generator will run a wiper first if there's not one running right now.
+ log.Info("Rebuilding state snapshot")
+ t.layers = map[common.Hash]snapshot{
+ root: generateSnapshot(t.diskdb, t.triedb, t.cache, root, wiper),
+ }
+}
+
+// AccountIterator creates a new account iterator for the specified root hash and
+// seeks to a starting account hash.
+func (t *Tree) AccountIterator(root common.Hash, seek common.Hash) (AccountIterator, error) {
+ return newFastAccountIterator(t, root, seek)
+}
+
+// StorageIterator creates a new storage iterator for the specified root hash and
+// account. The iterator will be move to the specific start position.
+func (t *Tree) StorageIterator(root common.Hash, account common.Hash, seek common.Hash) (StorageIterator, error) {
+ return newFastStorageIterator(t, root, account, seek)
+}
diff --git a/core/vm/int_pool_verifier.go b/core/state/snapshot/sort.go
index 82fbfed..8884123 100644
--- a/core/vm/int_pool_verifier.go
+++ b/core/state/snapshot/sort.go
@@ -1,4 +1,4 @@
-// Copyright 2017 The go-ethereum Authors
+// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
@@ -14,18 +14,23 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-// +build VERIFY_EVM_INTEGER_POOL
+package snapshot
-package vm
+import (
+ "bytes"
-import "fmt"
+ "github.com/ethereum/go-ethereum/common"
+)
-const verifyPool = true
+// hashes is a helper to implement sort.Interface.
+type hashes []common.Hash
-func verifyIntegerPool(ip *intPool) {
- for i, item := range ip.pool.data {
- if item.Cmp(checkVal) != 0 {
- panic(fmt.Sprintf("%d'th item failed aggressive pool check. Value was modified", i))
- }
- }
-}
+// Len is the number of elements in the collection.
+func (hs hashes) Len() int { return len(hs) }
+
+// Less reports whether the element with index i should sort before the element
+// with index j.
+func (hs hashes) Less(i, j int) bool { return bytes.Compare(hs[i][:], hs[j][:]) < 0 }
+
+// Swap swaps the elements with indexes i and j.
+func (hs hashes) Swap(i, j int) { hs[i], hs[j] = hs[j], hs[i] }
diff --git a/core/state/snapshot/wipe.go b/core/state/snapshot/wipe.go
new file mode 100644
index 0000000..853a1a7
--- /dev/null
+++ b/core/state/snapshot/wipe.go
@@ -0,0 +1,131 @@
+// Copyright 2019 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package snapshot
+
+import (
+ "bytes"
+ "time"
+
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/log"
+)
+
+// wipeSnapshot starts a goroutine to iterate over the entire key-value database
+// and delete all the data associated with the snapshot (accounts, storage,
+// metadata). After all is done, the snapshot range of the database is compacted
+// to free up unused data blocks.
+func wipeSnapshot(db ethdb.KeyValueStore, full bool) chan struct{} {
+ // Wipe the snapshot root marker synchronously
+ if full {
+ rawdb.DeleteSnapshotRoot(db)
+ }
+ // Wipe everything else asynchronously
+ wiper := make(chan struct{}, 1)
+ go func() {
+ if err := wipeContent(db); err != nil {
+ log.Error("Failed to wipe state snapshot", "err", err) // Database close will trigger this
+ return
+ }
+ close(wiper)
+ }()
+ return wiper
+}
+
+// wipeContent iterates over the entire key-value database and deletes all the
+// data associated with the snapshot (accounts, storage), but not the root hash
+// as the wiper is meant to run on a background thread but the root needs to be
+// removed in sync to avoid data races. After all is done, the snapshot range of
+// the database is compacted to free up unused data blocks.
+func wipeContent(db ethdb.KeyValueStore) error {
+ if err := wipeKeyRange(db, "accounts", rawdb.SnapshotAccountPrefix, len(rawdb.SnapshotAccountPrefix)+common.HashLength); err != nil {
+ return err
+ }
+ if err := wipeKeyRange(db, "storage", rawdb.SnapshotStoragePrefix, len(rawdb.SnapshotStoragePrefix)+2*common.HashLength); err != nil {
+ return err
+ }
+ // Compact the snapshot section of the database to get rid of unused space
+ start := time.Now()
+
+ log.Info("Compacting snapshot account area ")
+ end := common.CopyBytes(rawdb.SnapshotAccountPrefix)
+ end[len(end)-1]++
+
+ if err := db.Compact(rawdb.SnapshotAccountPrefix, end); err != nil {
+ return err
+ }
+ log.Info("Compacting snapshot storage area ")
+ end = common.CopyBytes(rawdb.SnapshotStoragePrefix)
+ end[len(end)-1]++
+
+ if err := db.Compact(rawdb.SnapshotStoragePrefix, end); err != nil {
+ return err
+ }
+ log.Info("Compacted snapshot area in database", "elapsed", common.PrettyDuration(time.Since(start)))
+
+ return nil
+}
+
+// wipeKeyRange deletes a range of keys from the database starting with prefix
+// and having a specific total key length.
+func wipeKeyRange(db ethdb.KeyValueStore, kind string, prefix []byte, keylen int) error {
+ // Batch deletions together to avoid holding an iterator for too long
+ var (
+ batch = db.NewBatch()
+ items int
+ )
+ // Iterate over the key-range and delete all of them
+ start, logged := time.Now(), time.Now()
+
+ it := db.NewIterator(prefix, nil)
+ for it.Next() {
+ // Skip any keys with the correct prefix but wrong length (trie nodes)
+ key := it.Key()
+ if !bytes.HasPrefix(key, prefix) {
+ break
+ }
+ if len(key) != keylen {
+ continue
+ }
+ // Delete the key and periodically recreate the batch and iterator
+ batch.Delete(key)
+ items++
+
+ if items%10000 == 0 {
+ // Batch too large (or iterator too long lived, flush and recreate)
+ it.Release()
+ if err := batch.Write(); err != nil {
+ return err
+ }
+ batch.Reset()
+ seekPos := key[len(prefix):]
+ it = db.NewIterator(prefix, seekPos)
+
+ if time.Since(logged) > 8*time.Second {
+ log.Info("Deleting state snapshot leftovers", "kind", kind, "wiped", items, "elapsed", common.PrettyDuration(time.Since(start)))
+ logged = time.Now()
+ }
+ }
+ }
+ it.Release()
+ if err := batch.Write(); err != nil {
+ return err
+ }
+ log.Info("Deleted state snapshot leftovers", "kind", kind, "wiped", items, "elapsed", common.PrettyDuration(time.Since(start)))
+ return nil
+}
diff --git a/core/state/state_object.go b/core/state/state_object.go
index 9c47dc4..2893f80 100644
--- a/core/state/state_object.go
+++ b/core/state/state_object.go
@@ -23,10 +23,10 @@ import (
"math/big"
"time"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/metrics"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/rlp"
)
var emptyCodeHash = crypto.Keccak256(nil)
@@ -79,9 +79,10 @@ type stateObject struct {
trie Trie // storage trie, which becomes non-nil on first access
code Code // contract bytecode, which gets set when code is loaded
- originStorage Storage // Storage cache of original entries to dedup rewrites
- dirtyStorage Storage // Storage entries that need to be flushed to disk
- fakeStorage Storage // Fake storage which constructed by caller for debugging purpose.
+ originStorage Storage // Storage cache of original entries to dedup rewrites, reset for every transaction
+ pendingStorage Storage // Storage entries that need to be flushed to disk, at the end of an entire block
+ dirtyStorage Storage // Storage entries that have been modified in the current transaction execution
+ fakeStorage Storage // Fake storage which constructed by caller for debugging purpose.
// Cache flags.
// When an object is marked suicided it will be delete from the trie
@@ -114,13 +115,17 @@ func newObject(db *StateDB, address common.Address, data Account) *stateObject {
if data.CodeHash == nil {
data.CodeHash = emptyCodeHash
}
+ if data.Root == (common.Hash{}) {
+ data.Root = emptyRoot
+ }
return &stateObject{
- db: db,
- address: address,
- addrHash: crypto.Keccak256Hash(address[:]),
- data: data,
- originStorage: make(Storage),
- dirtyStorage: make(Storage),
+ db: db,
+ address: address,
+ addrHash: crypto.Keccak256Hash(address[:]),
+ data: data,
+ originStorage: make(Storage),
+ pendingStorage: make(Storage),
+ dirtyStorage: make(Storage),
}
}
@@ -184,21 +189,44 @@ func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Has
if s.fakeStorage != nil {
return s.fakeStorage[key]
}
- // If we have the original value cached, return that
- value, cached := s.originStorage[key]
- if cached {
+ // If we have a pending write or clean cached, return that
+ if value, pending := s.pendingStorage[key]; pending {
return value
}
- // Track the amount of time wasted on reading the storage trie
- if metrics.EnabledExpensive {
- defer func(start time.Time) { s.db.StorageReads += time.Since(start) }(time.Now())
+ if value, cached := s.originStorage[key]; cached {
+ return value
}
- // Otherwise load the value from the database
- enc, err := s.getTrie(db).TryGet(key[:])
- if err != nil {
- s.setError(err)
- return common.Hash{}
+ // If no live objects are available, attempt to use snapshots
+ var (
+ enc []byte
+ err error
+ )
+ if s.db.snap != nil {
+ if metrics.EnabledExpensive {
+ defer func(start time.Time) { s.db.SnapshotStorageReads += time.Since(start) }(time.Now())
+ }
+ // If the object was destructed in *this* block (and potentially resurrected),
+ // the storage has been cleared out, and we should *not* consult the previous
+ // snapshot about any storage values. The only possible alternatives are:
+ // 1) resurrect happened, and new slot values were set -- those should
+ // have been handles via pendingStorage above.
+ // 2) we don't have new values, and can deliver empty response back
+ if _, destructed := s.db.snapDestructs[s.addrHash]; destructed {
+ return common.Hash{}
+ }
+ enc, err = s.db.snap.Storage(s.addrHash, crypto.Keccak256Hash(key.Bytes()))
+ }
+ // If snapshot unavailable or reading from it failed, load from the database
+ if s.db.snap == nil || err != nil {
+ if metrics.EnabledExpensive {
+ defer func(start time.Time) { s.db.StorageReads += time.Since(start) }(time.Now())
+ }
+ if enc, err = s.getTrie(db).TryGet(key.Bytes()); err != nil {
+ s.setError(err)
+ return common.Hash{}
+ }
}
+ var value common.Hash
if len(enc) > 0 {
_, content, _, err := rlp.Split(enc)
if err != nil {
@@ -253,38 +281,73 @@ func (s *stateObject) setState(key, value common.Hash) {
s.dirtyStorage[key] = value
}
+// finalise moves all dirty storage slots into the pending area to be hashed or
+// committed later. It is invoked at the end of every transaction.
+func (s *stateObject) finalise() {
+ for key, value := range s.dirtyStorage {
+ s.pendingStorage[key] = value
+ }
+ if len(s.dirtyStorage) > 0 {
+ s.dirtyStorage = make(Storage)
+ }
+}
+
// updateTrie writes cached storage modifications into the object's storage trie.
+// It will return nil if the trie has not been loaded and no changes have been made
func (s *stateObject) updateTrie(db Database) Trie {
+ // Make sure all dirty slots are finalized into the pending storage area
+ s.finalise()
+ if len(s.pendingStorage) == 0 {
+ return s.trie
+ }
// Track the amount of time wasted on updating the storge trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.db.StorageUpdates += time.Since(start) }(time.Now())
}
- // Update all the dirty slots in the trie
+ // Retrieve the snapshot storage map for the object
+ var storage map[common.Hash][]byte
+ if s.db.snap != nil {
+ // Retrieve the old storage map, if available, create a new one otherwise
+ storage = s.db.snapStorage[s.addrHash]
+ if storage == nil {
+ storage = make(map[common.Hash][]byte)
+ s.db.snapStorage[s.addrHash] = storage
+ }
+ }
+ // Insert all the pending updates into the trie
tr := s.getTrie(db)
- for key, value := range s.dirtyStorage {
- delete(s.dirtyStorage, key)
-
+ for key, value := range s.pendingStorage {
// Skip noop changes, persist actual changes
if value == s.originStorage[key] {
continue
}
s.originStorage[key] = value
+ var v []byte
if (value == common.Hash{}) {
s.setError(tr.TryDelete(key[:]))
- continue
+ } else {
+ // Encoding []byte cannot fail, ok to ignore the error.
+ v, _ = rlp.EncodeToBytes(common.TrimLeftZeroes(value[:]))
+ s.setError(tr.TryUpdate(key[:], v))
+ }
+ // If state snapshotting is active, cache the data til commit
+ if storage != nil {
+ storage[crypto.Keccak256Hash(key[:])] = v // v will be nil if value is 0x00
}
- // Encoding []byte cannot fail, ok to ignore the error.
- v, _ := rlp.EncodeToBytes(bytes.TrimLeft(value[:], "\x00"))
- s.setError(tr.TryUpdate(key[:], v))
+ }
+ if len(s.pendingStorage) > 0 {
+ s.pendingStorage = make(Storage)
}
return tr
}
// UpdateRoot sets the trie root to the current root hash of
func (s *stateObject) updateRoot(db Database) {
- s.updateTrie(db)
-
+ // If nothing changed, don't bother with hashing anything
+ if s.updateTrie(db) == nil {
+ return
+ }
// Track the amount of time wasted on hashing the storge trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.db.StorageHashes += time.Since(start) }(time.Now())
@@ -295,7 +358,10 @@ func (s *stateObject) updateRoot(db Database) {
// CommitTrie the storage trie of the object to db.
// This updates the trie root.
func (s *stateObject) CommitTrie(db Database) error {
- s.updateTrie(db)
+ // If nothing changed, don't bother with hashing anything
+ if s.updateTrie(db) == nil {
+ return nil
+ }
if s.dbErr != nil {
return s.dbErr
}
@@ -310,22 +376,21 @@ func (s *stateObject) CommitTrie(db Database) error {
return err
}
-// AddBalance removes amount from c's balance.
+// AddBalance adds amount to s's balance.
// It is used to add funds to the destination account of a transfer.
func (s *stateObject) AddBalance(amount *big.Int) {
- // EIP158: We must check emptiness for the objects such that the account
+ // EIP161: We must check emptiness for the objects such that the account
// clearing (0,0,0 objects) can take effect.
if amount.Sign() == 0 {
if s.empty() {
s.touch()
}
-
return
}
s.SetBalance(new(big.Int).Add(s.Balance(), amount))
}
-// SubBalance removes amount from c's balance.
+// SubBalance removes amount from s's balance.
// It is used to remove funds from the origin account of a transfer.
func (s *stateObject) SubBalance(amount *big.Int) {
if amount.Sign() == 0 {
@@ -388,6 +453,7 @@ func (s *stateObject) deepCopy(db *StateDB) *stateObject {
stateObject.code = s.code
stateObject.dirtyStorage = s.dirtyStorage.Copy()
stateObject.originStorage = s.originStorage.Copy()
+ stateObject.pendingStorage = s.pendingStorage.Copy()
stateObject.suicided = s.suicided
stateObject.dirtyCode = s.dirtyCode
stateObject.deleted = s.deleted
@@ -419,6 +485,23 @@ func (s *stateObject) Code(db Database) []byte {
return code
}
+// CodeSize returns the size of the contract code associated with this object,
+// or zero if none. This method is an almost mirror of Code, but uses a cache
+// inside the database to avoid loading codes seen recently.
+func (s *stateObject) CodeSize(db Database) int {
+ if s.code != nil {
+ return len(s.code)
+ }
+ if bytes.Equal(s.CodeHash(), emptyCodeHash) {
+ return 0
+ }
+ size, err := db.ContractCodeSize(s.addrHash, common.BytesToHash(s.CodeHash()))
+ if err != nil {
+ s.setError(fmt.Errorf("can't load code size %x: %v", s.CodeHash(), err))
+ }
+ return size
+}
+
func (s *stateObject) SetCode(codeHash common.Hash, code []byte) {
prevcode := s.Code(s.db.db)
s.db.journal.append(codeChange{
diff --git a/core/state/statedb.go b/core/state/statedb.go
index 9c7535b..b472bd7 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -24,13 +24,15 @@ import (
"sort"
"time"
+ "github.com/ava-labs/coreth/core/rawdb"
+ "github.com/ava-labs/coreth/core/state/snapshot"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
type revision struct {
@@ -42,9 +44,6 @@ var (
// emptyRoot is the known root hash of an empty trie.
emptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
zeroRoot = common.HexToHash("0000000000000000000000000000000000000000000000000000000000000000")
-
- // emptyCode is the known hash of the empty EVM bytecode.
- emptyCode = crypto.Keccak256Hash(nil)
)
type proofList [][]byte
@@ -58,7 +57,7 @@ func (n *proofList) Delete(key []byte) error {
panic("not supported")
}
-// StateDBs within the ethereum protocol are used to store anything
+// StateDB structs within the ethereum protocol are used to store anything
// within the merkle trie. StateDBs take care of caching and storing
// nested states. It's the general query interface to retrieve:
// * Contracts
@@ -67,9 +66,16 @@ type StateDB struct {
db Database
trie Trie
+ snaps *snapshot.Tree
+ snap snapshot.Snapshot
+ snapDestructs map[common.Hash]struct{}
+ snapAccounts map[common.Hash][]byte
+ snapStorage map[common.Hash]map[common.Hash][]byte
+
// This map holds 'live' objects, which will get modified while processing a state transition.
- stateObjects map[common.Address]*stateObject
- stateObjectsDirty map[common.Address]struct{}
+ stateObjects map[common.Address]*stateObject
+ stateObjectsPending map[common.Address]struct{} // State objects finalized but not yet written to the trie
+ stateObjectsDirty map[common.Address]struct{} // State objects modified in the current execution
// DB error.
// State objects are used by the consensus core and VM which are
@@ -95,134 +101,157 @@ type StateDB struct {
nextRevisionId int
// Measurements gathered during execution for debugging purposes
- AccountReads time.Duration
- AccountHashes time.Duration
- AccountUpdates time.Duration
- AccountCommits time.Duration
- StorageReads time.Duration
- StorageHashes time.Duration
- StorageUpdates time.Duration
- StorageCommits time.Duration
-}
-
-// Create a new state from a given trie.
-func New(root common.Hash, db Database) (*StateDB, error) {
+ AccountReads time.Duration
+ AccountHashes time.Duration
+ AccountUpdates time.Duration
+ AccountCommits time.Duration
+ StorageReads time.Duration
+ StorageHashes time.Duration
+ StorageUpdates time.Duration
+ StorageCommits time.Duration
+ SnapshotAccountReads time.Duration
+ SnapshotStorageReads time.Duration
+ SnapshotCommits time.Duration
+}
+
+// New creates a new state from a given trie.
+func New(root common.Hash, db Database, snaps *snapshot.Tree) (*StateDB, error) {
tr, err := db.OpenTrie(root)
if err != nil {
return nil, err
}
- return &StateDB{
- db: db,
- trie: tr,
- stateObjects: make(map[common.Address]*stateObject),
- stateObjectsDirty: make(map[common.Address]struct{}),
- logs: make(map[common.Hash][]*types.Log),
- preimages: make(map[common.Hash][]byte),
- journal: newJournal(),
- }, nil
+ sdb := &StateDB{
+ db: db,
+ trie: tr,
+ snaps: snaps,
+ stateObjects: make(map[common.Address]*stateObject),
+ stateObjectsPending: make(map[common.Address]struct{}),
+ stateObjectsDirty: make(map[common.Address]struct{}),
+ logs: make(map[common.Hash][]*types.Log),
+ preimages: make(map[common.Hash][]byte),
+ journal: newJournal(),
+ }
+ if sdb.snaps != nil {
+ if sdb.snap = sdb.snaps.Snapshot(root); sdb.snap != nil {
+ sdb.snapDestructs = make(map[common.Hash]struct{})
+ sdb.snapAccounts = make(map[common.Hash][]byte)
+ sdb.snapStorage = make(map[common.Hash]map[common.Hash][]byte)
+ }
+ }
+ return sdb, nil
}
// setError remembers the first non-nil error it is called with.
-func (self *StateDB) setError(err error) {
- if self.dbErr == nil {
- self.dbErr = err
+func (s *StateDB) setError(err error) {
+ if s.dbErr == nil {
+ s.dbErr = err
}
}
-func (self *StateDB) Error() error {
- return self.dbErr
+func (s *StateDB) Error() error {
+ return s.dbErr
}
// Reset clears out all ephemeral state objects from the state db, but keeps
// the underlying state trie to avoid reloading data for the next operations.
-func (self *StateDB) Reset(root common.Hash) error {
- tr, err := self.db.OpenTrie(root)
+func (s *StateDB) Reset(root common.Hash) error {
+ tr, err := s.db.OpenTrie(root)
if err != nil {
return err
}
- self.trie = tr
- self.stateObjects = make(map[common.Address]*stateObject)
- self.stateObjectsDirty = make(map[common.Address]struct{})
- self.thash = common.Hash{}
- self.bhash = common.Hash{}
- self.txIndex = 0
- self.logs = make(map[common.Hash][]*types.Log)
- self.logSize = 0
- self.preimages = make(map[common.Hash][]byte)
- self.clearJournalAndRefund()
+ s.trie = tr
+ s.stateObjects = make(map[common.Address]*stateObject)
+ s.stateObjectsPending = make(map[common.Address]struct{})
+ s.stateObjectsDirty = make(map[common.Address]struct{})
+ s.thash = common.Hash{}
+ s.bhash = common.Hash{}
+ s.txIndex = 0
+ s.logs = make(map[common.Hash][]*types.Log)
+ s.logSize = 0
+ s.preimages = make(map[common.Hash][]byte)
+ s.clearJournalAndRefund()
+
+ if s.snaps != nil {
+ s.snapAccounts, s.snapDestructs, s.snapStorage = nil, nil, nil
+ if s.snap = s.snaps.Snapshot(root); s.snap != nil {
+ s.snapDestructs = make(map[common.Hash]struct{})
+ s.snapAccounts = make(map[common.Hash][]byte)
+ s.snapStorage = make(map[common.Hash]map[common.Hash][]byte)
+ }
+ }
return nil
}
-func (self *StateDB) AddLog(log *types.Log) {
- self.journal.append(addLogChange{txhash: self.thash})
+func (s *StateDB) AddLog(log *types.Log) {
+ s.journal.append(addLogChange{txhash: s.thash})
- log.TxHash = self.thash
- log.BlockHash = self.bhash
- log.TxIndex = uint(self.txIndex)
- log.Index = self.logSize
- self.logs[self.thash] = append(self.logs[self.thash], log)
- self.logSize++
+ log.TxHash = s.thash
+ log.BlockHash = s.bhash
+ log.TxIndex = uint(s.txIndex)
+ log.Index = s.logSize
+ s.logs[s.thash] = append(s.logs[s.thash], log)
+ s.logSize++
}
-func (self *StateDB) GetLogs(hash common.Hash) []*types.Log {
- return self.logs[hash]
+func (s *StateDB) GetLogs(hash common.Hash) []*types.Log {
+ return s.logs[hash]
}
-func (self *StateDB) Logs() []*types.Log {
+func (s *StateDB) Logs() []*types.Log {
var logs []*types.Log
- for _, lgs := range self.logs {
+ for _, lgs := range s.logs {
logs = append(logs, lgs...)
}
return logs
}
// AddPreimage records a SHA3 preimage seen by the VM.
-func (self *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
- if _, ok := self.preimages[hash]; !ok {
- self.journal.append(addPreimageChange{hash: hash})
+func (s *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
+ if _, ok := s.preimages[hash]; !ok {
+ s.journal.append(addPreimageChange{hash: hash})
pi := make([]byte, len(preimage))
copy(pi, preimage)
- self.preimages[hash] = pi
+ s.preimages[hash] = pi
}
}
// Preimages returns a list of SHA3 preimages that have been submitted.
-func (self *StateDB) Preimages() map[common.Hash][]byte {
- return self.preimages
+func (s *StateDB) Preimages() map[common.Hash][]byte {
+ return s.preimages
}
// AddRefund adds gas to the refund counter
-func (self *StateDB) AddRefund(gas uint64) {
- self.journal.append(refundChange{prev: self.refund})
- self.refund += gas
+func (s *StateDB) AddRefund(gas uint64) {
+ s.journal.append(refundChange{prev: s.refund})
+ s.refund += gas
}
// SubRefund removes gas from the refund counter.
// This method will panic if the refund counter goes below zero
-func (self *StateDB) SubRefund(gas uint64) {
- self.journal.append(refundChange{prev: self.refund})
- if gas > self.refund {
- panic("Refund counter below zero")
+func (s *StateDB) SubRefund(gas uint64) {
+ s.journal.append(refundChange{prev: s.refund})
+ if gas > s.refund {
+ panic(fmt.Sprintf("Refund counter below zero (gas: %d > refund: %d)", gas, s.refund))
}
- self.refund -= gas
+ s.refund -= gas
}
// Exist reports whether the given account address exists in the state.
// Notably this also returns true for suicided accounts.
-func (self *StateDB) Exist(addr common.Address) bool {
- return self.getStateObject(addr) != nil
+func (s *StateDB) Exist(addr common.Address) bool {
+ return s.getStateObject(addr) != nil
}
// Empty returns whether the state object is either non-existent
// or empty according to the EIP161 specification (balance = nonce = code = 0)
-func (self *StateDB) Empty(addr common.Address) bool {
- so := self.getStateObject(addr)
+func (s *StateDB) Empty(addr common.Address) bool {
+ so := s.getStateObject(addr)
return so == nil || so.empty()
}
-// Retrieve the balance from the given address or 0 if object not found
-func (self *StateDB) GetBalance(addr common.Address) *big.Int {
- stateObject := self.getStateObject(addr)
+// GetBalance retrieves the balance from the given address or 0 if object not found
+func (s *StateDB) GetBalance(addr common.Address) *big.Int {
+ stateObject := s.getStateObject(addr)
if stateObject != nil {
return stateObject.Balance()
}
@@ -241,11 +270,12 @@ func (self *StateDB) GetBalanceMultiCoin(addr common.Address, coinID common.Hash
func (self *StateDB) EnableMultiCoin(addr common.Address) error {
stateObject := self.GetOrNewStateObject(addr)
if stateObject.data.Root != emptyRoot && stateObject.data.Root != zeroRoot {
- return errors.New("not a fresh account")
+ return errors.New(fmt.Sprintf("not a fresh account: %s", stateObject.data.Root.Hex()))
}
if !stateObject.EnableMultiCoin() {
return errors.New("multi-coin mode already enabled")
}
+ log.Debug(fmt.Sprintf("enabled MC for %s", addr.Hex()))
return nil
}
@@ -262,8 +292,8 @@ func (self *StateDB) IsMultiCoin(addr common.Address) bool {
return false
}
-func (self *StateDB) GetNonce(addr common.Address) uint64 {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) GetNonce(addr common.Address) uint64 {
+ stateObject := s.getStateObject(addr)
if stateObject != nil {
return stateObject.Nonce()
}
@@ -272,40 +302,33 @@ func (self *StateDB) GetNonce(addr common.Address) uint64 {
}
// TxIndex returns the current transaction index set by Prepare.
-func (self *StateDB) TxIndex() int {
- return self.txIndex
+func (s *StateDB) TxIndex() int {
+ return s.txIndex
}
// BlockHash returns the current block hash set by Prepare.
-func (self *StateDB) BlockHash() common.Hash {
- return self.bhash
+func (s *StateDB) BlockHash() common.Hash {
+ return s.bhash
}
-func (self *StateDB) GetCode(addr common.Address) []byte {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) GetCode(addr common.Address) []byte {
+ stateObject := s.getStateObject(addr)
if stateObject != nil {
- return stateObject.Code(self.db)
+ return stateObject.Code(s.db)
}
return nil
}
-func (self *StateDB) GetCodeSize(addr common.Address) int {
- stateObject := self.getStateObject(addr)
- if stateObject == nil {
- return 0
- }
- if stateObject.code != nil {
- return len(stateObject.code)
- }
- size, err := self.db.ContractCodeSize(stateObject.addrHash, common.BytesToHash(stateObject.CodeHash()))
- if err != nil {
- self.setError(err)
+func (s *StateDB) GetCodeSize(addr common.Address) int {
+ stateObject := s.getStateObject(addr)
+ if stateObject != nil {
+ return stateObject.CodeSize(s.db)
}
- return size
+ return 0
}
-func (self *StateDB) GetCodeHash(addr common.Address) common.Hash {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) GetCodeHash(addr common.Address) common.Hash {
+ stateObject := s.getStateObject(addr)
if stateObject == nil {
return common.Hash{}
}
@@ -313,25 +336,25 @@ func (self *StateDB) GetCodeHash(addr common.Address) common.Hash {
}
// GetState retrieves a value from the given account's storage trie.
-func (self *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
+ stateObject := s.getStateObject(addr)
if stateObject != nil {
- return stateObject.GetState(self.db, hash)
+ return stateObject.GetState(s.db, hash)
}
return common.Hash{}
}
// GetProof returns the MerkleProof for a given Account
-func (self *StateDB) GetProof(a common.Address) ([][]byte, error) {
+func (s *StateDB) GetProof(a common.Address) ([][]byte, error) {
var proof proofList
- err := self.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
+ err := s.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
return [][]byte(proof), err
}
-// GetProof returns the StorageProof for given key
-func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
+// GetStorageProof returns the StorageProof for given key
+func (s *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
var proof proofList
- trie := self.StorageTrie(a)
+ trie := s.StorageTrie(a)
if trie == nil {
return proof, errors.New("storage trie for requested address does not exist")
}
@@ -340,32 +363,33 @@ func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byt
}
// GetCommittedState retrieves a value from the given account's committed storage trie.
-func (self *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
+ stateObject := s.getStateObject(addr)
if stateObject != nil {
- return stateObject.GetCommittedState(self.db, hash)
+ return stateObject.GetCommittedState(s.db, hash)
}
return common.Hash{}
}
// Database retrieves the low level database supporting the lower level trie ops.
-func (self *StateDB) Database() Database {
- return self.db
+func (s *StateDB) Database() Database {
+ return s.db
}
// StorageTrie returns the storage trie of an account.
// The return value is a copy and is nil for non-existent accounts.
-func (self *StateDB) StorageTrie(addr common.Address) Trie {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) StorageTrie(addr common.Address) Trie {
+ stateObject := s.getStateObject(addr)
if stateObject == nil {
return nil
}
- cpy := stateObject.deepCopy(self)
- return cpy.updateTrie(self.db)
+ cpy := stateObject.deepCopy(s)
+ cpy.updateTrie(s.db)
+ return cpy.getTrie(s.db)
}
-func (self *StateDB) HasSuicided(addr common.Address) bool {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) HasSuicided(addr common.Address) bool {
+ stateObject := s.getStateObject(addr)
if stateObject != nil {
return stateObject.suicided
}
@@ -377,81 +401,81 @@ func (self *StateDB) HasSuicided(addr common.Address) bool {
*/
// AddBalance adds amount to the account associated with addr.
-func (self *StateDB) AddBalance(addr common.Address, amount *big.Int) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) AddBalance(addr common.Address, amount *big.Int) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
stateObject.AddBalance(amount)
}
}
// SubBalance subtracts amount from the account associated with addr.
-func (self *StateDB) SubBalance(addr common.Address, amount *big.Int) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SubBalance(addr common.Address, amount *big.Int) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
stateObject.SubBalance(amount)
}
}
-func (self *StateDB) SetBalance(addr common.Address, amount *big.Int) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SetBalance(addr common.Address, amount *big.Int) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
stateObject.SetBalance(amount)
}
}
// AddBalance adds amount to the account associated with addr.
-func (self *StateDB) AddBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) AddBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
- stateObject.AddBalanceMultiCoin(coinID, amount, self.db)
+ stateObject.AddBalanceMultiCoin(coinID, amount, s.db)
}
}
// SubBalance subtracts amount from the account associated with addr.
-func (self *StateDB) SubBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SubBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
- stateObject.SubBalanceMultiCoin(coinID, amount, self.db)
+ stateObject.SubBalanceMultiCoin(coinID, amount, s.db)
}
}
-func (self *StateDB) SetBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SetBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
- stateObject.SetBalanceMultiCoin(coinID, amount, self.db)
+ stateObject.SetBalanceMultiCoin(coinID, amount, s.db)
}
}
-func (self *StateDB) SetNonce(addr common.Address, nonce uint64) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SetNonce(addr common.Address, nonce uint64) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
stateObject.SetNonce(nonce)
}
}
-func (self *StateDB) SetCode(addr common.Address, code []byte) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SetCode(addr common.Address, code []byte) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
stateObject.SetCode(crypto.Keccak256Hash(code), code)
}
}
-func (self *StateDB) SetState(addr common.Address, key, value common.Hash) (res error) {
+func (s *StateDB) SetState(addr common.Address, key, value common.Hash) (res error) {
res = nil
- stateObject := self.GetOrNewStateObject(addr)
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
if stateObject.data.IsMultiCoin {
NormalizeStateKey(&key)
}
- stateObject.SetState(self.db, key, value)
+ stateObject.SetState(s.db, key, value)
}
return
}
// SetStorage replaces the entire storage for the specified account with given
// storage. This function should only be used for debugging.
-func (self *StateDB) SetStorage(addr common.Address, storage map[common.Hash]common.Hash) {
- stateObject := self.GetOrNewStateObject(addr)
+func (s *StateDB) SetStorage(addr common.Address, storage map[common.Hash]common.Hash) {
+ stateObject := s.GetOrNewStateObject(addr)
if stateObject != nil {
stateObject.SetStorage(storage)
}
@@ -462,12 +486,12 @@ func (self *StateDB) SetStorage(addr common.Address, storage map[common.Hash]com
//
// The account's state object is still available until the state is committed,
// getStateObject will return a non-nil account after Suicide.
-func (self *StateDB) Suicide(addr common.Address) bool {
- stateObject := self.getStateObject(addr)
+func (s *StateDB) Suicide(addr common.Address) bool {
+ stateObject := s.getStateObject(addr)
if stateObject == nil {
return false
}
- self.journal.append(suicideChange{
+ s.journal.append(suicideChange{
account: &addr,
prev: stateObject.suicided,
prevbalance: new(big.Int).Set(stateObject.Balance()),
@@ -483,90 +507,153 @@ func (self *StateDB) Suicide(addr common.Address) bool {
//
// updateStateObject writes the given object to the trie.
-func (s *StateDB) updateStateObject(stateObject *stateObject) {
+func (s *StateDB) updateStateObject(obj *stateObject) {
// Track the amount of time wasted on updating the account from the trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountUpdates += time.Since(start) }(time.Now())
}
// Encode the account and update the account trie
- addr := stateObject.Address()
+ addr := obj.Address()
- data, err := rlp.EncodeToBytes(stateObject)
+ data, err := rlp.EncodeToBytes(obj)
if err != nil {
panic(fmt.Errorf("can't encode object at %x: %v", addr[:], err))
}
- s.setError(s.trie.TryUpdate(addr[:], data))
+ if err = s.trie.TryUpdate(addr[:], data); err != nil {
+ s.setError(fmt.Errorf("updateStateObject (%x) error: %v", addr[:], err))
+ }
+
+ // If state snapshotting is active, cache the data til commit. Note, this
+ // update mechanism is not symmetric to the deletion, because whereas it is
+ // enough to track account updates at commit time, deletions need tracking
+ // at transaction boundary level to ensure we capture state clearing.
+ if s.snap != nil {
+ s.snapAccounts[obj.addrHash] = snapshot.SlimAccountRLP(obj.data.Nonce, obj.data.Balance, obj.data.Root, obj.data.CodeHash, obj.data.IsMultiCoin)
+ }
}
// deleteStateObject removes the given object from the state trie.
-func (s *StateDB) deleteStateObject(stateObject *stateObject) {
+func (s *StateDB) deleteStateObject(obj *stateObject) {
// Track the amount of time wasted on deleting the account from the trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountUpdates += time.Since(start) }(time.Now())
}
// Delete the account from the trie
- stateObject.deleted = true
+ addr := obj.Address()
+ if err := s.trie.TryDelete(addr[:]); err != nil {
+ s.setError(fmt.Errorf("deleteStateObject (%x) error: %v", addr[:], err))
+ }
+}
- addr := stateObject.Address()
- s.setError(s.trie.TryDelete(addr[:]))
+// getStateObject retrieves a state object given by the address, returning nil if
+// the object is not found or was deleted in this execution context. If you need
+// to differentiate between non-existent/just-deleted, use getDeletedStateObject.
+func (s *StateDB) getStateObject(addr common.Address) *stateObject {
+ if obj := s.getDeletedStateObject(addr); obj != nil && !obj.deleted {
+ return obj
+ }
+ return nil
}
-// Retrieve a state object given by the address. Returns nil if not found.
-func (s *StateDB) getStateObject(addr common.Address) (stateObject *stateObject) {
- // Prefer live objects
+// getDeletedStateObject is similar to getStateObject, but instead of returning
+// nil for a deleted state object, it returns the actual object with the deleted
+// flag set. This is needed by the state journal to revert to the correct s-
+// destructed object instead of wiping all knowledge about the state object.
+func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
+ // Prefer live objects if any is available
if obj := s.stateObjects[addr]; obj != nil {
- if obj.deleted {
- return nil
- }
return obj
}
- // Track the amount of time wasted on loading the object from the database
- if metrics.EnabledExpensive {
- defer func(start time.Time) { s.AccountReads += time.Since(start) }(time.Now())
- }
- // Load the object from the database
- enc, err := s.trie.TryGet(addr[:])
- if len(enc) == 0 {
- s.setError(err)
- return nil
+ // If no live objects are available, attempt to use snapshots
+ var (
+ data *Account
+ err error
+ )
+ if s.snap != nil {
+ if metrics.EnabledExpensive {
+ defer func(start time.Time) { s.SnapshotAccountReads += time.Since(start) }(time.Now())
+ }
+ var acc *snapshot.Account
+ if acc, err = s.snap.Account(crypto.Keccak256Hash(addr.Bytes())); err == nil {
+ if acc == nil {
+ return nil
+ }
+ data = &Account{
+ Nonce: acc.Nonce,
+ Balance: acc.Balance,
+ CodeHash: acc.CodeHash,
+ Root: common.BytesToHash(acc.Root),
+ }
+ if len(data.CodeHash) == 0 {
+ data.CodeHash = emptyCodeHash
+ }
+ if data.Root == (common.Hash{}) {
+ data.Root = emptyRoot
+ }
+ }
}
- var data Account
- if err := rlp.DecodeBytes(enc, &data); err != nil {
- log.Error("Failed to decode state object", "addr", addr, "err", err)
- return nil
+ // If snapshot unavailable or reading from it failed, load from the database
+ if s.snap == nil || err != nil {
+ if metrics.EnabledExpensive {
+ defer func(start time.Time) { s.AccountReads += time.Since(start) }(time.Now())
+ }
+ enc, err := s.trie.TryGet(addr.Bytes())
+ if err != nil {
+ s.setError(fmt.Errorf("getDeleteStateObject (%x) error: %v", addr.Bytes(), err))
+ return nil
+ }
+ if len(enc) == 0 {
+ return nil
+ }
+ data = new(Account)
+ if err := rlp.DecodeBytes(enc, data); err != nil {
+ log.Error("Failed to decode state object", "addr", addr, "err", err)
+ return nil
+ }
}
// Insert into the live set
- obj := newObject(s, addr, data)
+ obj := newObject(s, addr, *data)
s.setStateObject(obj)
return obj
}
-func (self *StateDB) setStateObject(object *stateObject) {
- self.stateObjects[object.Address()] = object
+func (s *StateDB) setStateObject(object *stateObject) {
+ s.stateObjects[object.Address()] = object
}
-// Retrieve a state object or create a new state object if nil.
-func (self *StateDB) GetOrNewStateObject(addr common.Address) *stateObject {
- stateObject := self.getStateObject(addr)
- if stateObject == nil || stateObject.deleted {
- stateObject, _ = self.createObject(addr)
+// GetOrNewStateObject retrieves a state object or create a new state object if nil.
+func (s *StateDB) GetOrNewStateObject(addr common.Address) *stateObject {
+ stateObject := s.getStateObject(addr)
+ if stateObject == nil {
+ stateObject, _ = s.createObject(addr)
}
return stateObject
}
// createObject creates a new state object. If there is an existing account with
// the given address, it is overwritten and returned as the second return value.
-func (self *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
- prev = self.getStateObject(addr)
- newobj = newObject(self, addr, Account{})
+func (s *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
+ prev = s.getDeletedStateObject(addr) // Note, prev might have been deleted, we need that!
+
+ var prevdestruct bool
+ if s.snap != nil && prev != nil {
+ _, prevdestruct = s.snapDestructs[prev.addrHash]
+ if !prevdestruct {
+ s.snapDestructs[prev.addrHash] = struct{}{}
+ }
+ }
+ newobj = newObject(s, addr, Account{})
newobj.setNonce(0) // sets the object to dirty
if prev == nil {
- self.journal.append(createObjectChange{account: &addr})
+ s.journal.append(createObjectChange{account: &addr})
} else {
- self.journal.append(resetObjectChange{prev: prev})
+ s.journal.append(resetObjectChange{prev: prev, prevdestruct: prevdestruct})
+ }
+ s.setStateObject(newobj)
+ if prev != nil && !prev.deleted {
+ return newobj, prev
}
- self.setStateObject(newobj)
- return newobj, prev
+ return newobj, nil
}
// CreateAccount explicitly creates a state object. If a state object with the address
@@ -579,8 +666,8 @@ func (self *StateDB) createObject(addr common.Address) (newobj, prev *stateObjec
// 2. tx_create(sha(account ++ nonce)) (note that this gets the address of 1)
//
// Carrying over the balance ensures that Ether doesn't disappear.
-func (self *StateDB) CreateAccount(addr common.Address) {
- newObj, prev := self.createObject(addr)
+func (s *StateDB) CreateAccount(addr common.Address) {
+ newObj, prev := s.createObject(addr)
if prev != nil {
newObj.setBalance(prev.data.Balance)
}
@@ -617,40 +704,52 @@ func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common
// Copy creates a deep, independent copy of the state.
// Snapshots of the copied state cannot be applied to the copy.
-func (self *StateDB) Copy() *StateDB {
+func (s *StateDB) Copy() *StateDB {
// Copy all the basic fields, initialize the memory ones
state := &StateDB{
- db: self.db,
- trie: self.db.CopyTrie(self.trie),
- stateObjects: make(map[common.Address]*stateObject, len(self.journal.dirties)),
- stateObjectsDirty: make(map[common.Address]struct{}, len(self.journal.dirties)),
- refund: self.refund,
- logs: make(map[common.Hash][]*types.Log, len(self.logs)),
- logSize: self.logSize,
- preimages: make(map[common.Hash][]byte, len(self.preimages)),
- journal: newJournal(),
+ db: s.db,
+ trie: s.db.CopyTrie(s.trie),
+ stateObjects: make(map[common.Address]*stateObject, len(s.journal.dirties)),
+ stateObjectsPending: make(map[common.Address]struct{}, len(s.stateObjectsPending)),
+ stateObjectsDirty: make(map[common.Address]struct{}, len(s.journal.dirties)),
+ refund: s.refund,
+ logs: make(map[common.Hash][]*types.Log, len(s.logs)),
+ logSize: s.logSize,
+ preimages: make(map[common.Hash][]byte, len(s.preimages)),
+ journal: newJournal(),
}
// Copy the dirty states, logs, and preimages
- for addr := range self.journal.dirties {
+ for addr := range s.journal.dirties {
// As documented [here](https://github.com/ethereum/go-ethereum/pull/16485#issuecomment-380438527),
// and in the Finalise-method, there is a case where an object is in the journal but not
// in the stateObjects: OOG after touch on ripeMD prior to Byzantium. Thus, we need to check for
// nil
- if object, exist := self.stateObjects[addr]; exist {
+ if object, exist := s.stateObjects[addr]; exist {
+ // Even though the original object is dirty, we are not copying the journal,
+ // so we need to make sure that anyside effect the journal would have caused
+ // during a commit (or similar op) is already applied to the copy.
state.stateObjects[addr] = object.deepCopy(state)
- state.stateObjectsDirty[addr] = struct{}{}
+
+ state.stateObjectsDirty[addr] = struct{}{} // Mark the copy dirty to force internal (code/state) commits
+ state.stateObjectsPending[addr] = struct{}{} // Mark the copy pending to force external (account) commits
}
}
// Above, we don't copy the actual journal. This means that if the copy is copied, the
// loop above will be a no-op, since the copy's journal is empty.
// Thus, here we iterate over stateObjects, to enable copies of copies
- for addr := range self.stateObjectsDirty {
+ for addr := range s.stateObjectsPending {
+ if _, exist := state.stateObjects[addr]; !exist {
+ state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
+ }
+ state.stateObjectsPending[addr] = struct{}{}
+ }
+ for addr := range s.stateObjectsDirty {
if _, exist := state.stateObjects[addr]; !exist {
- state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state)
- state.stateObjectsDirty[addr] = struct{}{}
+ state.stateObjects[addr] = s.stateObjects[addr].deepCopy(state)
}
+ state.stateObjectsDirty[addr] = struct{}{}
}
- for hash, logs := range self.logs {
+ for hash, logs := range s.logs {
cpy := make([]*types.Log, len(logs))
for i, l := range logs {
cpy[i] = new(types.Log)
@@ -658,46 +757,47 @@ func (self *StateDB) Copy() *StateDB {
}
state.logs[hash] = cpy
}
- for hash, preimage := range self.preimages {
+ for hash, preimage := range s.preimages {
state.preimages[hash] = preimage
}
return state
}
// Snapshot returns an identifier for the current revision of the state.
-func (self *StateDB) Snapshot() int {
- id := self.nextRevisionId
- self.nextRevisionId++
- self.validRevisions = append(self.validRevisions, revision{id, self.journal.length()})
+func (s *StateDB) Snapshot() int {
+ id := s.nextRevisionId
+ s.nextRevisionId++
+ s.validRevisions = append(s.validRevisions, revision{id, s.journal.length()})
return id
}
// RevertToSnapshot reverts all state changes made since the given revision.
-func (self *StateDB) RevertToSnapshot(revid int) {
+func (s *StateDB) RevertToSnapshot(revid int) {
// Find the snapshot in the stack of valid snapshots.
- idx := sort.Search(len(self.validRevisions), func(i int) bool {
- return self.validRevisions[i].id >= revid
+ idx := sort.Search(len(s.validRevisions), func(i int) bool {
+ return s.validRevisions[i].id >= revid
})
- if idx == len(self.validRevisions) || self.validRevisions[idx].id != revid {
+ if idx == len(s.validRevisions) || s.validRevisions[idx].id != revid {
panic(fmt.Errorf("revision id %v cannot be reverted", revid))
}
- snapshot := self.validRevisions[idx].journalIndex
+ snapshot := s.validRevisions[idx].journalIndex
// Replay the journal to undo changes and remove invalidated snapshots
- self.journal.revert(self, snapshot)
- self.validRevisions = self.validRevisions[:idx]
+ s.journal.revert(s, snapshot)
+ s.validRevisions = s.validRevisions[:idx]
}
// GetRefund returns the current value of the refund counter.
-func (self *StateDB) GetRefund() uint64 {
- return self.refund
+func (s *StateDB) GetRefund() uint64 {
+ return s.refund
}
-// Finalise finalises the state by removing the self destructed objects
-// and clears the journal as well as the refunds.
+// Finalise finalises the state by removing the s destructed objects and clears
+// the journal as well as the refunds. Finalise, however, will not push any updates
+// into the tries just yet. Only IntermediateRoot or Commit will do that.
func (s *StateDB) Finalise(deleteEmptyObjects bool) {
for addr := range s.journal.dirties {
- stateObject, exist := s.stateObjects[addr]
+ obj, exist := s.stateObjects[addr]
if !exist {
// ripeMD is 'touched' at block 1714175, in tx 0x1237f737031e40bcde4a8b7e717b2d15e3ecadfe49bb1bbc71ee9deb09c6fcf2
// That tx goes out of gas, and although the notion of 'touched' does not exist there, the
@@ -707,13 +807,22 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
// Thus, we can safely ignore it here
continue
}
-
- if stateObject.suicided || (deleteEmptyObjects && stateObject.empty()) {
- s.deleteStateObject(stateObject)
+ if obj.suicided || (deleteEmptyObjects && obj.empty()) {
+ obj.deleted = true
+
+ // If state snapshotting is active, also mark the destruction there.
+ // Note, we can't do this only at the end of a block because multiple
+ // transactions within the same block might self destruct and then
+ // ressurrect an account; but the snapshotter needs both events.
+ if s.snap != nil {
+ s.snapDestructs[obj.addrHash] = struct{}{} // We need to maintain account deletions explicitly (will remain set indefinitely)
+ delete(s.snapAccounts, obj.addrHash) // Clear out any previously updated account data (may be recreated via a ressurrect)
+ delete(s.snapStorage, obj.addrHash) // Clear out any previously updated storage data (may be recreated via a ressurrect)
+ }
} else {
- stateObject.updateRoot(s.db)
- s.updateStateObject(stateObject)
+ obj.finalise()
}
+ s.stateObjectsPending[addr] = struct{}{}
s.stateObjectsDirty[addr] = struct{}{}
}
// Invalidate journal because reverting across transactions is not allowed.
@@ -724,8 +833,21 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
// It is called in between transactions to get the root hash that
// goes into transaction receipts.
func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
+ // Finalise all the dirty storage states and write them into the tries
s.Finalise(deleteEmptyObjects)
+ for addr := range s.stateObjectsPending {
+ obj := s.stateObjects[addr]
+ if obj.deleted {
+ s.deleteStateObject(obj)
+ } else {
+ obj.updateRoot(s.db)
+ s.updateStateObject(obj)
+ }
+ }
+ if len(s.stateObjectsPending) > 0 {
+ s.stateObjectsPending = make(map[common.Address]struct{})
+ }
// Track the amount of time wasted on hashing the account trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountHashes += time.Since(start) }(time.Now())
@@ -735,65 +857,86 @@ func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
// Prepare sets the current transaction hash and index and block hash which is
// used when the EVM emits new state logs.
-func (self *StateDB) Prepare(thash, bhash common.Hash, ti int) {
- self.thash = thash
- self.bhash = bhash
- self.txIndex = ti
+func (s *StateDB) Prepare(thash, bhash common.Hash, ti int) {
+ s.thash = thash
+ s.bhash = bhash
+ s.txIndex = ti
}
func (s *StateDB) clearJournalAndRefund() {
- s.journal = newJournal()
- s.validRevisions = s.validRevisions[:0]
- s.refund = 0
+ if len(s.journal.entries) > 0 {
+ s.journal = newJournal()
+ s.refund = 0
+ }
+ s.validRevisions = s.validRevisions[:0] // Snapshots can be created without journal entires
}
// Commit writes the state to the underlying in-memory trie database.
-func (s *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) {
- defer s.clearJournalAndRefund()
-
- for addr := range s.journal.dirties {
- s.stateObjectsDirty[addr] = struct{}{}
+func (s *StateDB) Commit(deleteEmptyObjects bool) (common.Hash, error) {
+ if s.dbErr != nil {
+ return common.Hash{}, fmt.Errorf("commit aborted due to earlier error: %v", s.dbErr)
}
+ // Finalize any pending changes and merge everything into the tries
+ s.IntermediateRoot(deleteEmptyObjects)
+
// Commit objects to the trie, measuring the elapsed time
- for addr, stateObject := range s.stateObjects {
- _, isDirty := s.stateObjectsDirty[addr]
- switch {
- case stateObject.suicided || (isDirty && deleteEmptyObjects && stateObject.empty()):
- // If the object has been removed, don't bother syncing it
- // and just mark it for deletion in the trie.
- s.deleteStateObject(stateObject)
- case isDirty:
+ codeWriter := s.db.TrieDB().DiskDB().NewBatch()
+ for addr := range s.stateObjectsDirty {
+ if obj := s.stateObjects[addr]; !obj.deleted {
// Write any contract code associated with the state object
- if stateObject.code != nil && stateObject.dirtyCode {
- s.db.TrieDB().InsertBlob(common.BytesToHash(stateObject.CodeHash()), stateObject.code)
- stateObject.dirtyCode = false
+ if obj.code != nil && obj.dirtyCode {
+ rawdb.WriteCode(codeWriter, common.BytesToHash(obj.CodeHash()), obj.code)
+ obj.dirtyCode = false
}
- // Write any storage changes in the state object to its storage trie.
- if err := stateObject.CommitTrie(s.db); err != nil {
+ // Write any storage changes in the state object to its storage trie
+ if err := obj.CommitTrie(s.db); err != nil {
return common.Hash{}, err
}
- // Update the object in the main account trie.
- s.updateStateObject(stateObject)
}
- delete(s.stateObjectsDirty, addr)
+ }
+ if len(s.stateObjectsDirty) > 0 {
+ s.stateObjectsDirty = make(map[common.Address]struct{})
+ }
+ if codeWriter.ValueSize() > 0 {
+ if err := codeWriter.Write(); err != nil {
+ log.Crit("Failed to commit dirty codes", "error", err)
+ }
}
// Write the account trie changes, measuing the amount of wasted time
+ var start time.Time
if metrics.EnabledExpensive {
- defer func(start time.Time) { s.AccountCommits += time.Since(start) }(time.Now())
+ start = time.Now()
}
- root, err = s.trie.Commit(func(leaf []byte, parent common.Hash) error {
- var account Account
+ // The onleaf func is called _serially_, so we can reuse the same account
+ // for unmarshalling every time.
+ var account Account
+ root, err := s.trie.Commit(func(path []byte, leaf []byte, parent common.Hash) error {
if err := rlp.DecodeBytes(leaf, &account); err != nil {
return nil
}
if account.Root != emptyRoot {
s.db.TrieDB().Reference(account.Root, parent)
}
- code := common.BytesToHash(account.CodeHash)
- if code != emptyCode {
- s.db.TrieDB().Reference(code, parent)
- }
return nil
})
+ if metrics.EnabledExpensive {
+ s.AccountCommits += time.Since(start)
+ }
+ // If snapshotting is enabled, update the snapshot tree with this new version
+ if s.snap != nil {
+ if metrics.EnabledExpensive {
+ defer func(start time.Time) { s.SnapshotCommits += time.Since(start) }(time.Now())
+ }
+ // Only update if there's a state transition (skip empty Clique blocks)
+ if parent := s.snap.Root(); parent != root {
+ if err := s.snaps.Update(root, parent, s.snapDestructs, s.snapAccounts, s.snapStorage); err != nil {
+ log.Warn("Failed to update snapshot tree", "from", parent, "to", root, "err", err)
+ }
+ if err := s.snaps.Cap(root, 127); err != nil { // Persistent layer is 128th, the last available trie
+ log.Warn("Failed to cap snapshot tree", "root", root, "layers", 127, "err", err)
+ }
+ }
+ s.snap, s.snapDestructs, s.snapAccounts, s.snapStorage = nil, nil, nil, nil
+ }
return root, err
}
diff --git a/core/state/sync.go b/core/state/sync.go
index 873395c..1018b78 100644
--- a/core/state/sync.go
+++ b/core/state/sync.go
@@ -19,22 +19,22 @@ package state
import (
"bytes"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
// NewStateSync create a new state trie download scheduler.
func NewStateSync(root common.Hash, database ethdb.KeyValueReader, bloom *trie.SyncBloom) *trie.Sync {
var syncer *trie.Sync
- callback := func(leaf []byte, parent common.Hash) error {
+ callback := func(path []byte, leaf []byte, parent common.Hash) error {
var obj Account
if err := rlp.Decode(bytes.NewReader(leaf), &obj); err != nil {
return err
}
- syncer.AddSubTrie(obj.Root, 64, parent, nil)
- syncer.AddRawEntry(common.BytesToHash(obj.CodeHash), 64, parent)
+ syncer.AddSubTrie(obj.Root, path, parent, nil)
+ syncer.AddCodeEntry(common.BytesToHash(obj.CodeHash), path, parent)
return nil
}
syncer = trie.NewSync(root, database, callback, bloom)
diff --git a/core/state_prefetcher.go b/core/state_prefetcher.go
index 4997333..08a01e2 100644
--- a/core/state_prefetcher.go
+++ b/core/state_prefetcher.go
@@ -24,7 +24,7 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// statePrefetcher is a basic Prefetcher, which blindly executes a block on top
@@ -54,6 +54,7 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
gaspool = new(GasPool).AddGas(block.GasLimit())
)
// Iterate over and process the individual transactions
+ byzantium := p.config.IsByzantium(block.Number())
for i, tx := range block.Transactions() {
// If block precaching was interrupted, abort
if interrupt != nil && atomic.LoadUint32(interrupt) == 1 {
@@ -64,6 +65,14 @@ func (p *statePrefetcher) Prefetch(block *types.Block, statedb *state.StateDB, c
if err := precacheTransaction(p.config, p.bc, nil, gaspool, statedb, header, tx, cfg); err != nil {
return // Ugh, something went horribly wrong, bail out
}
+ // If we're pre-byzantium, pre-load trie nodes for the intermediate root
+ if !byzantium {
+ statedb.IntermediateRoot(true)
+ }
+ }
+ // If were post-byzantium, pre-load trie nodes for the final root hash
+ if byzantium {
+ statedb.IntermediateRoot(true)
}
}
@@ -80,6 +89,6 @@ func precacheTransaction(config *params.ChainConfig, bc ChainContext, author *co
context := NewEVMContext(msg, header, bc, author)
vm := vm.NewEVM(context, statedb, config, cfg)
- _, _, _, err = ApplyMessage(vm, msg, gaspool)
+ _, err = ApplyMessage(vm, msg, gaspool)
return err
}
diff --git a/core/state_processor.go b/core/state_processor.go
index ab8759a..46ecd48 100644
--- a/core/state_processor.go
+++ b/core/state_processor.go
@@ -23,8 +23,8 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
)
// StateProcessor is a basic Processor, which takes care of transitioning
@@ -68,7 +68,7 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
// Iterate over and process the individual transactions
for i, tx := range block.Transactions() {
statedb.Prepare(tx.Hash(), block.Hash(), i)
- receipt, _, err := ApplyTransaction(p.config, p.bc, nil, gp, statedb, header, tx, usedGas, cfg)
+ receipt, err := ApplyTransaction(p.config, p.bc, nil, gp, statedb, header, tx, usedGas, cfg)
if err != nil {
return nil, nil, 0, err
}
@@ -88,10 +88,10 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
// and uses the input parameters for its environment. It returns the receipt
// for the transaction, gas used and an error if the transaction failed,
// indicating the block was invalid.
-func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *common.Address, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *uint64, cfg vm.Config) (*types.Receipt, uint64, error) {
+func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *common.Address, gp *GasPool, statedb *state.StateDB, header *types.Header, tx *types.Transaction, usedGas *uint64, cfg vm.Config) (*types.Receipt, error) {
msg, err := tx.AsMessage(types.MakeSigner(config, header.Number))
if err != nil {
- return nil, 0, err
+ return nil, err
}
// Create a new context to be used in the EVM environment
context := NewEVMContext(msg, header, bc, author)
@@ -99,9 +99,9 @@ func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *commo
// about the transaction and calling mechanisms.
vmenv := vm.NewEVM(context, statedb, config, cfg)
// Apply the transaction to the current state (included in the env)
- _, gas, failed, err := ApplyMessage(vmenv, msg, gp)
+ result, err := ApplyMessage(vmenv, msg, gp)
if err != nil {
- return nil, 0, err
+ return nil, err
}
// Update the state with pending changes
var root []byte
@@ -110,13 +110,13 @@ func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *commo
} else {
root = statedb.IntermediateRoot(config.IsEIP158(header.Number)).Bytes()
}
- *usedGas += gas
+ *usedGas += result.UsedGas
// Create a new receipt for the transaction, storing the intermediate root and gas used by the tx
// based on the eip phase, we're passing whether the root touch-delete accounts.
- receipt := types.NewReceipt(root, failed, *usedGas)
+ receipt := types.NewReceipt(root, result.Failed(), *usedGas)
receipt.TxHash = tx.Hash()
- receipt.GasUsed = gas
+ receipt.GasUsed = result.UsedGas
// if the transaction created a contract, store the creation address in the receipt.
if msg.To() == nil {
receipt.ContractAddress = crypto.CreateAddress(vmenv.Context.Origin, tx.Nonce())
@@ -128,5 +128,5 @@ func ApplyTransaction(config *params.ChainConfig, bc ChainContext, author *commo
receipt.BlockNumber = header.Number
receipt.TransactionIndex = uint(statedb.TxIndex())
- return receipt, gas, err
+ return receipt, err
}
diff --git a/core/state_transition.go b/core/state_transition.go
index de7488e..a2dbdcf 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -17,18 +17,12 @@
package core
import (
- "errors"
"math"
"math/big"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
-)
-
-var (
- errInsufficientBalanceForGas = errors.New("insufficient balance to pay for gas")
+ "github.com/ethereum/go-ethereum/common"
)
/*
@@ -63,7 +57,6 @@ type StateTransition struct {
// Message represents a message sent to a contract.
type Message interface {
From() common.Address
- //FromFrontier() (common.Address, error)
To() *common.Address
GasPrice() *big.Int
@@ -75,11 +68,46 @@ type Message interface {
Data() []byte
}
+// ExecutionResult includes all output after executing given evm
+// message no matter the execution itself is successful or not.
+type ExecutionResult struct {
+ UsedGas uint64 // Total used gas but include the refunded gas
+ Err error // Any error encountered during the execution(listed in core/vm/errors.go)
+ ReturnData []byte // Returned data from evm(function result or data supplied with revert opcode)
+}
+
+// Unwrap returns the internal evm error which allows us for further
+// analysis outside.
+func (result *ExecutionResult) Unwrap() error {
+ return result.Err
+}
+
+// Failed returns the indicator whether the execution is successful or not
+func (result *ExecutionResult) Failed() bool { return result.Err != nil }
+
+// Return is a helper function to help caller distinguish between revert reason
+// and function return. Return returns the data after execution if no error occurs.
+func (result *ExecutionResult) Return() []byte {
+ if result.Err != nil {
+ return nil
+ }
+ return common.CopyBytes(result.ReturnData)
+}
+
+// Revert returns the concrete revert reason if the execution is aborted by `REVERT`
+// opcode. Note the reason can be nil if no data supplied with revert opcode.
+func (result *ExecutionResult) Revert() []byte {
+ if result.Err != vm.ErrExecutionReverted {
+ return nil
+ }
+ return common.CopyBytes(result.ReturnData)
+}
+
// IntrinsicGas computes the 'intrinsic gas' for a message with the given data.
-func IntrinsicGas(data []byte, contractCreation, isEIP155 bool, isEIP2028 bool) (uint64, error) {
+func IntrinsicGas(data []byte, contractCreation, isHomestead bool, isEIP2028 bool) (uint64, error) {
// Set the starting gas for the raw transaction
var gas uint64
- if contractCreation && isEIP155 {
+ if contractCreation && isHomestead {
gas = params.TxGasContractCreation
} else {
gas = params.TxGas
@@ -99,13 +127,13 @@ func IntrinsicGas(data []byte, contractCreation, isEIP155 bool, isEIP2028 bool)
nonZeroGas = params.TxDataNonZeroGasEIP2028
}
if (math.MaxUint64-gas)/nonZeroGas < nz {
- return 0, vm.ErrOutOfGas
+ return 0, ErrGasUintOverflow
}
gas += nz * nonZeroGas
z := uint64(len(data)) - nz
if (math.MaxUint64-gas)/params.TxDataZeroGas < z {
- return 0, vm.ErrOutOfGas
+ return 0, ErrGasUintOverflow
}
gas += z * params.TxDataZeroGas
}
@@ -132,7 +160,7 @@ func NewStateTransition(evm *vm.EVM, msg Message, gp *GasPool) *StateTransition
// the gas used (which includes gas refunds) and an error if it failed. An error always
// indicates a core error meaning that the message would always fail for that particular
// state and would never be accepted within a block.
-func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) ([]byte, uint64, bool, error) {
+func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) (*ExecutionResult, error) {
return NewStateTransition(evm, msg, gp).TransitionDb()
}
@@ -144,19 +172,10 @@ func (st *StateTransition) to() common.Address {
return *st.msg.To()
}
-func (st *StateTransition) useGas(amount uint64) error {
- if st.gas < amount {
- return vm.ErrOutOfGas
- }
- st.gas -= amount
-
- return nil
-}
-
func (st *StateTransition) buyGas() error {
mgval := new(big.Int).Mul(new(big.Int).SetUint64(st.msg.Gas()), st.gasPrice)
if st.state.GetBalance(st.msg.From()).Cmp(mgval) < 0 {
- return errInsufficientBalanceForGas
+ return ErrInsufficientFunds
}
if err := st.gp.SubGas(st.msg.Gas()); err != nil {
return err
@@ -182,11 +201,32 @@ func (st *StateTransition) preCheck() error {
}
// TransitionDb will transition the state by applying the current message and
-// returning the result including the used gas. It returns an error if failed.
-// An error indicates a consensus issue.
-func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bool, err error) {
- if err = st.preCheck(); err != nil {
- return
+// returning the evm execution result with following fields.
+//
+// - used gas:
+// total gas used (including gas being refunded)
+// - returndata:
+// the returned data from evm
+// - concrete execution error:
+// various **EVM** error which aborts the execution,
+// e.g. ErrOutOfGas, ErrExecutionReverted
+//
+// However if any consensus issue encountered, return the error directly with
+// nil evm execution result.
+func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
+ // First check this message satisfies all consensus rules before
+ // applying the message. The rules include these clauses
+ //
+ // 1. the nonce of the message caller is correct
+ // 2. caller has enough balance to cover transaction fee(gaslimit * gasprice)
+ // 3. the amount of gas required is available in the block
+ // 4. the purchased gas is enough to cover intrinsic usage
+ // 5. there is no overflow when calculating intrinsic gas
+ // 6. caller has enough balance to cover asset transfer for **topmost** call
+
+ // Check clauses 1-3, buy gas if everything is correct
+ if err := st.preCheck(); err != nil {
+ return nil, err
}
msg := st.msg
sender := vm.AccountRef(msg.From())
@@ -194,42 +234,39 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
istanbul := st.evm.ChainConfig().IsIstanbul(st.evm.BlockNumber)
contractCreation := msg.To() == nil
- // Pay intrinsic gas
+ // Check clauses 4-5, subtract intrinsic gas if everything is correct
gas, err := IntrinsicGas(st.data, contractCreation, homestead, istanbul)
if err != nil {
- return nil, 0, false, err
+ return nil, err
}
- if err = st.useGas(gas); err != nil {
- return nil, 0, false, err
+ if st.gas < gas {
+ return nil, ErrIntrinsicGas
}
+ st.gas -= gas
+ // Check clause 6
+ if msg.Value().Sign() > 0 && !st.evm.CanTransfer(st.state, msg.From(), msg.Value()) {
+ return nil, ErrInsufficientFundsForTransfer
+ }
var (
- evm = st.evm
- // vm errors do not effect consensus and are therefor
- // not assigned to err, except for insufficient balance
- // error.
- vmerr error
+ ret []byte
+ vmerr error // vm errors do not effect consensus and are therefore not assigned to err
)
if contractCreation {
- ret, _, st.gas, vmerr = evm.Create(sender, st.data, st.gas, st.value)
+ ret, _, st.gas, vmerr = st.evm.Create(sender, st.data, st.gas, st.value)
} else {
// Increment the nonce for the next transaction
st.state.SetNonce(msg.From(), st.state.GetNonce(sender.Address())+1)
- ret, st.gas, vmerr = evm.Call(sender, st.to(), st.data, st.gas, st.value)
- }
- if vmerr != nil {
- log.Debug("VM returned with error", "err", vmerr)
- // The only possible consensus-error would be if there wasn't
- // sufficient balance to make the transfer happen. The first
- // balance transfer may never fail.
- if vmerr == vm.ErrInsufficientBalance {
- return nil, 0, false, vmerr
- }
+ ret, st.gas, vmerr = st.evm.Call(sender, st.to(), st.data, st.gas, st.value)
}
st.refundGas()
st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
- return ret, st.gasUsed(), vmerr != nil, err
+ return &ExecutionResult{
+ UsedGas: st.gasUsed(),
+ Err: vmerr,
+ ReturnData: ret,
+ }, nil
}
func (st *StateTransition) refundGas() {
diff --git a/core/tx_journal.go b/core/tx_journal.go
index a35e78f..a30ea5d 100644
--- a/core/tx_journal.go
+++ b/core/tx_journal.go
@@ -22,9 +22,9 @@ import (
"os"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
)
// errNoActiveJournal is returned if a transaction is attempted to be inserted
diff --git a/core/tx_list.go b/core/tx_list.go
index 241b14a..2e8a2b4 100644
--- a/core/tx_list.go
+++ b/core/tx_list.go
@@ -23,8 +23,8 @@ import (
"sort"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
)
// nonceHeap is a heap.Interface implementation over 64bit unsigned integers for
@@ -99,7 +99,30 @@ func (m *txSortedMap) Forward(threshold uint64) types.Transactions {
// Filter iterates over the list of transactions and removes all of them for which
// the specified function evaluates to true.
+// Filter, as opposed to 'filter', re-initialises the heap after the operation is done.
+// If you want to do several consecutive filterings, it's therefore better to first
+// do a .filter(func1) followed by .Filter(func2) or reheap()
func (m *txSortedMap) Filter(filter func(*types.Transaction) bool) types.Transactions {
+ removed := m.filter(filter)
+ // If transactions were removed, the heap and cache are ruined
+ if len(removed) > 0 {
+ m.reheap()
+ }
+ return removed
+}
+
+func (m *txSortedMap) reheap() {
+ *m.index = make([]uint64, 0, len(m.items))
+ for nonce := range m.items {
+ *m.index = append(*m.index, nonce)
+ }
+ heap.Init(m.index)
+ m.cache = nil
+}
+
+// filter is identical to Filter, but **does not** regenerate the heap. This method
+// should only be used if followed immediately by a call to Filter or reheap()
+func (m *txSortedMap) filter(filter func(*types.Transaction) bool) types.Transactions {
var removed types.Transactions
// Collect all the transactions to filter out
@@ -109,14 +132,7 @@ func (m *txSortedMap) Filter(filter func(*types.Transaction) bool) types.Transac
delete(m.items, nonce)
}
}
- // If transactions were removed, the heap and cache are ruined
if len(removed) > 0 {
- *m.index = make([]uint64, 0, len(m.items))
- for nonce := range m.items {
- *m.index = append(*m.index, nonce)
- }
- heap.Init(m.index)
-
m.cache = nil
}
return removed
@@ -197,10 +213,7 @@ func (m *txSortedMap) Len() int {
return len(m.items)
}
-// Flatten creates a nonce-sorted slice of transactions based on the loosely
-// sorted internal representation. The result of the sorting is cached in case
-// it's requested again before any modifications are made to the contents.
-func (m *txSortedMap) Flatten() types.Transactions {
+func (m *txSortedMap) flatten() types.Transactions {
// If the sorting was not cached yet, create and cache it
if m.cache == nil {
m.cache = make(types.Transactions, 0, len(m.items))
@@ -209,12 +222,27 @@ func (m *txSortedMap) Flatten() types.Transactions {
}
sort.Sort(types.TxByNonce(m.cache))
}
+ return m.cache
+}
+
+// Flatten creates a nonce-sorted slice of transactions based on the loosely
+// sorted internal representation. The result of the sorting is cached in case
+// it's requested again before any modifications are made to the contents.
+func (m *txSortedMap) Flatten() types.Transactions {
// Copy the cache to prevent accidental modifications
- txs := make(types.Transactions, len(m.cache))
- copy(txs, m.cache)
+ cache := m.flatten()
+ txs := make(types.Transactions, len(cache))
+ copy(txs, cache)
return txs
}
+// LastElement returns the last element of a flattened list, thus, the
+// transaction with the highest nonce
+func (m *txSortedMap) LastElement() *types.Transaction {
+ cache := m.flatten()
+ return cache[len(cache)-1]
+}
+
// txList is a "list" of transactions belonging to an account, sorted by account
// nonce. The same type can be used both for storing contiguous transactions for
// the executable/pending queue; and for storing gapped transactions for the non-
@@ -252,11 +280,15 @@ func (l *txList) Add(tx *types.Transaction, priceBump uint64) (bool, *types.Tran
// If there's an older better transaction, abort
old := l.txs.Get(tx.Nonce())
if old != nil {
- threshold := new(big.Int).Div(new(big.Int).Mul(old.GasPrice(), big.NewInt(100+int64(priceBump))), big.NewInt(100))
+ // threshold = oldGP * (100 + priceBump) / 100
+ a := big.NewInt(100 + int64(priceBump))
+ a = a.Mul(a, old.GasPrice())
+ b := big.NewInt(100)
+ threshold := a.Div(a, b)
// Have to ensure that the new gas price is higher than the old gas
// price as well as checking the percentage threshold to ensure that
// this is accurate for low (Wei-level) gas price replacements
- if old.GasPrice().Cmp(tx.GasPrice()) >= 0 || threshold.Cmp(tx.GasPrice()) > 0 {
+ if old.GasPriceCmp(tx) >= 0 || tx.GasPriceIntCmp(threshold) < 0 {
return false, nil
}
}
@@ -296,20 +328,25 @@ func (l *txList) Filter(costLimit *big.Int, gasLimit uint64) (types.Transactions
l.gascap = gasLimit
// Filter out all the transactions above the account's funds
- removed := l.txs.Filter(func(tx *types.Transaction) bool { return tx.Cost().Cmp(costLimit) > 0 || tx.Gas() > gasLimit })
+ removed := l.txs.Filter(func(tx *types.Transaction) bool {
+ return tx.Gas() > gasLimit || tx.Cost().Cmp(costLimit) > 0
+ })
- // If the list was strict, filter anything above the lowest nonce
+ if len(removed) == 0 {
+ return nil, nil
+ }
var invalids types.Transactions
-
- if l.strict && len(removed) > 0 {
+ // If the list was strict, filter anything above the lowest nonce
+ if l.strict {
lowest := uint64(math.MaxUint64)
for _, tx := range removed {
if nonce := tx.Nonce(); lowest > nonce {
lowest = nonce
}
}
- invalids = l.txs.Filter(func(tx *types.Transaction) bool { return tx.Nonce() > lowest })
+ invalids = l.txs.filter(func(tx *types.Transaction) bool { return tx.Nonce() > lowest })
}
+ l.txs.reheap()
return removed, invalids
}
@@ -363,6 +400,12 @@ func (l *txList) Flatten() types.Transactions {
return l.txs.Flatten()
}
+// LastElement returns the last element of a flattened list, thus, the
+// transaction with the highest nonce
+func (l *txList) LastElement() *types.Transaction {
+ return l.txs.LastElement()
+}
+
// priceHeap is a heap.Interface implementation over transactions for retrieving
// price-sorted transactions to discard when the pool fills up.
type priceHeap []*types.Transaction
@@ -372,7 +415,7 @@ func (h priceHeap) Swap(i, j int) { h[i], h[j] = h[j], h[i] }
func (h priceHeap) Less(i, j int) bool {
// Sort primarily by price, returning the cheaper one
- switch h[i].GasPrice().Cmp(h[j].GasPrice()) {
+ switch h[i].GasPriceCmp(h[j]) {
case -1:
return true
case 1:
@@ -449,7 +492,7 @@ func (l *txPricedList) Cap(threshold *big.Int, local *accountSet) types.Transact
continue
}
// Stop the discards if we've reached the threshold
- if tx.GasPrice().Cmp(threshold) >= 0 {
+ if tx.GasPriceIntCmp(threshold) >= 0 {
save = append(save, tx)
break
}
@@ -489,16 +532,37 @@ func (l *txPricedList) Underpriced(tx *types.Transaction, local *accountSet) boo
return false
}
cheapest := []*types.Transaction(*l.items)[0]
- return cheapest.GasPrice().Cmp(tx.GasPrice()) >= 0
+ return cheapest.GasPriceCmp(tx) >= 0
}
// Discard finds a number of most underpriced transactions, removes them from the
// priced list and returns them for further removal from the entire pool.
-func (l *txPricedList) Discard(count int, local *accountSet) types.Transactions {
- drop := make(types.Transactions, 0, count) // Remote underpriced transactions to drop
- save := make(types.Transactions, 0, 64) // Local underpriced transactions to keep
+func (l *txPricedList) Discard(slots int, local *accountSet) types.Transactions {
+ // If we have some local accountset, those will not be discarded
+ if !local.empty() {
+ // In case the list is filled to the brim with 'local' txs, we do this
+ // little check to avoid unpacking / repacking the heap later on, which
+ // is very expensive
+ discardable := 0
+ for _, tx := range *l.items {
+ if !local.containsTx(tx) {
+ discardable++
+ }
+ if discardable >= slots {
+ break
+ }
+ }
+ if slots > discardable {
+ slots = discardable
+ }
+ }
+ if slots == 0 {
+ return nil
+ }
+ drop := make(types.Transactions, 0, slots) // Remote underpriced transactions to drop
+ save := make(types.Transactions, 0, len(*l.items)-slots) // Local underpriced transactions to keep
- for len(*l.items) > 0 && count > 0 {
+ for len(*l.items) > 0 && slots > 0 {
// Discard stale transactions if found during cleanup
tx := heap.Pop(l.items).(*types.Transaction)
if l.all.Get(tx.Hash()) == nil {
@@ -510,7 +574,7 @@ func (l *txPricedList) Discard(count int, local *accountSet) types.Transactions
save = append(save, tx)
} else {
drop = append(drop, tx)
- count--
+ slots -= numSlots(tx)
}
}
for _, tx := range save {
diff --git a/core/tx_noncer.go b/core/tx_noncer.go
index 56cdf03..38b3a1c 100644
--- a/core/tx_noncer.go
+++ b/core/tx_noncer.go
@@ -20,7 +20,7 @@ import (
"sync"
"github.com/ava-labs/coreth/core/state"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// txNoncer is a tiny virtual state database to manage the executable nonces of
diff --git a/core/tx_pool.go b/core/tx_pool.go
index 5b2a3c0..848627a 100644
--- a/core/tx_pool.go
+++ b/core/tx_pool.go
@@ -18,7 +18,6 @@ package core
import (
"errors"
- "fmt"
"math"
"math/big"
"sort"
@@ -28,26 +27,38 @@ import (
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/prque"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/prque"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
)
const (
// chainHeadChanSize is the size of channel listening to ChainHeadEvent.
chainHeadChanSize = 10
+
+ // txSlotSize is used to calculate how many data slots a single transaction
+ // takes up based on its size. The slots are used as DoS protection, ensuring
+ // that validating a new transaction remains a constant operation (in reality
+ // O(maxslots), where max slots are 4 currently).
+ txSlotSize = 32 * 1024
+
+ // txMaxSize is the maximum size a single transaction can have. This field has
+ // non-trivial consequences: larger transactions are significantly harder and
+ // more expensive to propagate; larger transactions also take more resources
+ // to validate whether they fit into the pool or not.
+ txMaxSize = 4 * txSlotSize // 128KB
)
var (
+ // ErrAlreadyKnown is returned if the transactions is already contained
+ // within the pool.
+ ErrAlreadyKnown = errors.New("already known")
+
// ErrInvalidSender is returned if the transaction contains an invalid signature.
ErrInvalidSender = errors.New("invalid sender")
- // ErrNonceTooLow is returned if the nonce of a transaction is lower than the
- // one present in the local chain.
- ErrNonceTooLow = errors.New("nonce too low")
-
// ErrUnderpriced is returned if a transaction's gas price is below the minimum
// configured for the transaction pool.
ErrUnderpriced = errors.New("transaction underpriced")
@@ -56,19 +67,11 @@ var (
// with a different one without the required price bump.
ErrReplaceUnderpriced = errors.New("replacement transaction underpriced")
- // ErrInsufficientFunds is returned if the total cost of executing a transaction
- // is higher than the balance of the user's account.
- ErrInsufficientFunds = errors.New("insufficient funds for gas * price + value")
-
- // ErrIntrinsicGas is returned if the transaction is specified to use less gas
- // than required to start the invocation.
- ErrIntrinsicGas = errors.New("intrinsic gas too low")
-
// ErrGasLimit is returned if a transaction's requested gas limit exceeds the
// maximum allowance of the current block.
ErrGasLimit = errors.New("exceeds block gas limit")
- // ErrNegativeValue is a sanity error to ensure noone is able to specify a
+ // ErrNegativeValue is a sanity error to ensure no one is able to specify a
// transaction with a negative value.
ErrNegativeValue = errors.New("negative value")
@@ -95,15 +98,18 @@ var (
queuedReplaceMeter = metrics.NewRegisteredMeter("txpool/queued/replace", nil)
queuedRateLimitMeter = metrics.NewRegisteredMeter("txpool/queued/ratelimit", nil) // Dropped due to rate limiting
queuedNofundsMeter = metrics.NewRegisteredMeter("txpool/queued/nofunds", nil) // Dropped due to out-of-funds
+ queuedEvictionMeter = metrics.NewRegisteredMeter("txpool/queued/eviction", nil) // Dropped due to lifetime
// General tx metrics
- validMeter = metrics.NewRegisteredMeter("txpool/valid", nil)
+ knownTxMeter = metrics.NewRegisteredMeter("txpool/known", nil)
+ validTxMeter = metrics.NewRegisteredMeter("txpool/valid", nil)
invalidTxMeter = metrics.NewRegisteredMeter("txpool/invalid", nil)
underpricedTxMeter = metrics.NewRegisteredMeter("txpool/underpriced", nil)
- pendingCounter = metrics.NewRegisteredCounter("txpool/pending", nil)
- queuedCounter = metrics.NewRegisteredCounter("txpool/queued", nil)
- localCounter = metrics.NewRegisteredCounter("txpool/local", nil)
+ pendingGauge = metrics.NewRegisteredGauge("txpool/pending", nil)
+ queuedGauge = metrics.NewRegisteredGauge("txpool/queued", nil)
+ localGauge = metrics.NewRegisteredGauge("txpool/local", nil)
+ slotsGauge = metrics.NewRegisteredGauge("txpool/slots", nil)
)
// TxStatus is the current status of a transaction as seen by the pool.
@@ -359,9 +365,11 @@ func (pool *TxPool) loop() {
}
// Any non-locals old enough should be removed
if time.Since(pool.beats[addr]) > pool.config.Lifetime {
- for _, tx := range pool.queue[addr].Flatten() {
+ list := pool.queue[addr].Flatten()
+ for _, tx := range list {
pool.removeTx(tx.Hash(), true)
}
+ queuedEvictionMeter.Mark(int64(len(list)))
}
}
pool.mu.Unlock()
@@ -517,8 +525,8 @@ func (pool *TxPool) local() map[common.Address]types.Transactions {
// validateTx checks whether a transaction is valid according to the consensus
// rules and adheres to some heuristic limits of the local node (price and size).
func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
- // Heuristic limit, reject transactions over 32KB to prevent DOS attacks
- if tx.Size() > 32*1024 {
+ // Reject transactions over defined size to prevent DOS attacks
+ if uint64(tx.Size()) > txMaxSize {
return ErrOversizedData
}
// Transactions can't be negative. This may never happen using RLP decoded
@@ -537,7 +545,7 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error {
}
// Drop non-local transactions under our own minimal accepted gas price
local = local || pool.locals.contains(from) // account may be local even if the transaction arrived from the network
- if !local && pool.gasPrice.Cmp(tx.GasPrice()) > 0 {
+ if !local && tx.GasPriceIntCmp(pool.gasPrice) < 0 {
return ErrUnderpriced
}
// Ensure the transaction adheres to nonce ordering
@@ -572,16 +580,15 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
hash := tx.Hash()
if pool.all.Get(hash) != nil {
log.Trace("Discarding already known transaction", "hash", hash)
- return false, fmt.Errorf("known transaction: %x", hash)
+ knownTxMeter.Mark(1)
+ return false, ErrAlreadyKnown
}
-
// If the transaction fails basic validation, discard it
if err := pool.validateTx(tx, local); err != nil {
log.Trace("Discarding invalid transaction", "hash", hash, "err", err)
invalidTxMeter.Mark(1)
return false, err
}
-
// If the transaction pool is full, discard underpriced transactions
if uint64(pool.all.Count()) >= pool.config.GlobalSlots+pool.config.GlobalQueue {
// If the new transaction is underpriced, don't accept it
@@ -591,14 +598,13 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
return false, ErrUnderpriced
}
// New transaction is better than our worse ones, make room for it
- drop := pool.priced.Discard(pool.all.Count()-int(pool.config.GlobalSlots+pool.config.GlobalQueue-1), pool.locals)
+ drop := pool.priced.Discard(pool.all.Slots()-int(pool.config.GlobalSlots+pool.config.GlobalQueue)+numSlots(tx), pool.locals)
for _, tx := range drop {
log.Trace("Discarding freshly underpriced transaction", "hash", tx.Hash(), "price", tx.GasPrice())
underpricedTxMeter.Mark(1)
pool.removeTx(tx.Hash(), false)
}
}
-
// Try to replace an existing transaction in the pending pool
from, _ := types.Sender(pool.signer, tx) // already validated
if list := pool.pending[from]; list != nil && list.Overlaps(tx) {
@@ -619,15 +625,16 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
pool.journalTx(from, tx)
pool.queueTxEvent(tx)
log.Trace("Pooled new executable transaction", "hash", hash, "from", from, "to", tx.To())
+
+ // Successful promotion, bump the heartbeat
+ pool.beats[from] = time.Now()
return old != nil, nil
}
-
// New transaction isn't replacing a pending one, push into queue
replaced, err = pool.enqueueTx(hash, tx)
if err != nil {
return false, err
}
-
// Mark local addresses and journal local transactions
if local {
if !pool.locals.contains(from) {
@@ -636,7 +643,7 @@ func (pool *TxPool) add(tx *types.Transaction, local bool) (replaced bool, err e
}
}
if local || pool.locals.contains(from) {
- localCounter.Inc(1)
+ localGauge.Inc(1)
}
pool.journalTx(from, tx)
@@ -666,12 +673,16 @@ func (pool *TxPool) enqueueTx(hash common.Hash, tx *types.Transaction) (bool, er
queuedReplaceMeter.Mark(1)
} else {
// Nothing was replaced, bump the queued counter
- queuedCounter.Inc(1)
+ queuedGauge.Inc(1)
}
if pool.all.Get(hash) == nil {
pool.all.Add(tx)
pool.priced.Put(tx)
}
+ // If we never record the heartbeat, do it right now.
+ if _, exist := pool.beats[from]; !exist {
+ pool.beats[from] = time.Now()
+ }
return old != nil, nil
}
@@ -703,7 +714,6 @@ func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.T
// An older transaction was better, discard this
pool.all.Remove(hash)
pool.priced.Removed(1)
-
pendingDiscardMeter.Mark(1)
return false
}
@@ -711,11 +721,10 @@ func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.T
if old != nil {
pool.all.Remove(old.Hash())
pool.priced.Removed(1)
-
pendingReplaceMeter.Mark(1)
} else {
// Nothing was replaced, bump the pending counter
- pendingCounter.Inc(1)
+ pendingGauge.Inc(1)
}
// Failsafe to work around direct pending inserts (tests)
if pool.all.Get(hash) == nil {
@@ -723,9 +732,10 @@ func (pool *TxPool) promoteTx(addr common.Address, hash common.Hash, tx *types.T
pool.priced.Put(tx)
}
// Set the potentially new pending nonce and notify any subsystems of the new tx
- pool.beats[addr] = time.Now()
pool.pendingNonces.set(addr, tx.Nonce()+1)
+ // Successful promotion, bump the heartbeat
+ pool.beats[addr] = time.Now()
return true
}
@@ -776,15 +786,47 @@ func (pool *TxPool) AddRemote(tx *types.Transaction) error {
// addTxs attempts to queue a batch of transactions if they are valid.
func (pool *TxPool) addTxs(txs []*types.Transaction, local, sync bool) []error {
- // Cache senders in transactions before obtaining lock (pool.signer is immutable)
- for _, tx := range txs {
- types.Sender(pool.signer, tx)
+ // Filter out known ones without obtaining the pool lock or recovering signatures
+ var (
+ errs = make([]error, len(txs))
+ news = make([]*types.Transaction, 0, len(txs))
+ )
+ for i, tx := range txs {
+ // If the transaction is known, pre-set the error slot
+ if pool.all.Get(tx.Hash()) != nil {
+ errs[i] = ErrAlreadyKnown
+ knownTxMeter.Mark(1)
+ continue
+ }
+ // Exclude transactions with invalid signatures as soon as
+ // possible and cache senders in transactions before
+ // obtaining lock
+ _, err := types.Sender(pool.signer, tx)
+ if err != nil {
+ errs[i] = ErrInvalidSender
+ invalidTxMeter.Mark(1)
+ continue
+ }
+ // Accumulate all unknown transactions for deeper processing
+ news = append(news, tx)
+ }
+ if len(news) == 0 {
+ return errs
}
+ // Process all the new transaction and merge any errors into the original slice
pool.mu.Lock()
- errs, dirtyAddrs := pool.addTxsLocked(txs, local)
+ newErrs, dirtyAddrs := pool.addTxsLocked(news, local)
pool.mu.Unlock()
+ var nilSlot = 0
+ for _, err := range newErrs {
+ for errs[nilSlot] != nil {
+ nilSlot++
+ }
+ errs[nilSlot] = err
+ }
+ // Reorg the pool internals if needed and return
done := pool.requestPromoteExecutables(dirtyAddrs)
if sync {
<-done
@@ -804,26 +846,29 @@ func (pool *TxPool) addTxsLocked(txs []*types.Transaction, local bool) ([]error,
dirty.addTx(tx)
}
}
- validMeter.Mark(int64(len(dirty.accounts)))
+ validTxMeter.Mark(int64(len(dirty.accounts)))
return errs, dirty
}
// Status returns the status (unknown/pending/queued) of a batch of transactions
// identified by their hashes.
func (pool *TxPool) Status(hashes []common.Hash) []TxStatus {
- pool.mu.RLock()
- defer pool.mu.RUnlock()
-
status := make([]TxStatus, len(hashes))
for i, hash := range hashes {
- if tx := pool.all.Get(hash); tx != nil {
- from, _ := types.Sender(pool.signer, tx) // already validated
- if pool.pending[from] != nil && pool.pending[from].txs.items[tx.Nonce()] != nil {
- status[i] = TxStatusPending
- } else {
- status[i] = TxStatusQueued
- }
+ tx := pool.Get(hash)
+ if tx == nil {
+ continue
+ }
+ from, _ := types.Sender(pool.signer, tx) // already validated
+ pool.mu.RLock()
+ if txList := pool.pending[from]; txList != nil && txList.txs.items[tx.Nonce()] != nil {
+ status[i] = TxStatusPending
+ } else if txList := pool.queue[from]; txList != nil && txList.txs.items[tx.Nonce()] != nil {
+ status[i] = TxStatusQueued
}
+ // implicit else: the tx may have been included into a block between
+ // checking pool.Get and obtaining the lock. In that case, TxStatusUnknown is correct
+ pool.mu.RUnlock()
}
return status
}
@@ -833,6 +878,12 @@ func (pool *TxPool) Get(hash common.Hash) *types.Transaction {
return pool.all.Get(hash)
}
+// Has returns an indicator whether txpool has a transaction cached with the
+// given hash.
+func (pool *TxPool) Has(hash common.Hash) bool {
+ return pool.all.Get(hash) != nil
+}
+
// removeTx removes a single transaction from the queue, moving all subsequent
// transactions back to the future queue.
func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
@@ -849,7 +900,7 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
pool.priced.Removed(1)
}
if pool.locals.contains(addr) {
- localCounter.Dec(1)
+ localGauge.Dec(1)
}
// Remove the transaction from the pending lists and reset the account nonce
if pending := pool.pending[addr]; pending != nil {
@@ -857,7 +908,6 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
// If no more pending transactions are left, remove the list
if pending.Empty() {
delete(pool.pending, addr)
- delete(pool.beats, addr)
}
// Postpone any invalidated transactions
for _, tx := range invalids {
@@ -866,7 +916,7 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
// Update the account nonce if needed
pool.pendingNonces.setIfLower(addr, tx.Nonce())
// Reduce the pending counter
- pendingCounter.Dec(int64(1 + len(invalids)))
+ pendingGauge.Dec(int64(1 + len(invalids)))
return
}
}
@@ -874,10 +924,11 @@ func (pool *TxPool) removeTx(hash common.Hash, outofbound bool) {
if future := pool.queue[addr]; future != nil {
if removed, _ := future.Remove(tx); removed {
// Reduce the queued counter
- queuedCounter.Dec(1)
+ queuedGauge.Dec(1)
}
if future.Empty() {
delete(pool.queue, addr)
+ delete(pool.beats, addr)
}
}
}
@@ -989,7 +1040,10 @@ func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirt
defer close(done)
var promoteAddrs []common.Address
- if dirtyAccounts != nil {
+ if dirtyAccounts != nil && reset == nil {
+ // Only dirty accounts need to be promoted, unless we're resetting.
+ // For resets, all addresses in the tx queue will be promoted and
+ // the flatten operation can be avoided.
promoteAddrs = dirtyAccounts.flatten()
}
pool.mu.Lock()
@@ -1005,20 +1059,14 @@ func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirt
}
}
// Reset needs promote for all addresses
- promoteAddrs = promoteAddrs[:0]
+ promoteAddrs = make([]common.Address, 0, len(pool.queue))
for addr := range pool.queue {
promoteAddrs = append(promoteAddrs, addr)
}
}
// Check for pending transactions for every account that sent new ones
promoted := pool.promoteExecutables(promoteAddrs)
- for _, tx := range promoted {
- addr, _ := types.Sender(pool.signer, tx)
- if _, ok := events[addr]; !ok {
- events[addr] = newTxSortedMap()
- }
- events[addr].Put(tx)
- }
+
// If a new block appeared, validate the pool of pending transactions. This will
// remove any transaction that has been included in the block or was invalidated
// because of another transaction (e.g. higher gas price).
@@ -1031,12 +1079,19 @@ func (pool *TxPool) runReorg(done chan struct{}, reset *txpoolResetRequest, dirt
// Update all accounts to the latest known pending nonce
for addr, list := range pool.pending {
- txs := list.Flatten() // Heavy but will be cached and is needed by the miner anyway
- pool.pendingNonces.set(addr, txs[len(txs)-1].Nonce()+1)
+ highestPending := list.LastElement()
+ pool.pendingNonces.set(addr, highestPending.Nonce()+1)
}
pool.mu.Unlock()
// Notify subsystems for newly added transactions
+ for _, tx := range promoted {
+ addr, _ := types.Sender(pool.signer, tx)
+ if _, ok := events[addr]; !ok {
+ events[addr] = newTxSortedMap()
+ }
+ events[addr].Put(tx)
+ }
if len(events) > 0 {
var txs []*types.Transaction
for _, set := range events {
@@ -1152,15 +1207,15 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) []*types.Trans
for _, tx := range forwards {
hash := tx.Hash()
pool.all.Remove(hash)
- log.Trace("Removed old queued transaction", "hash", hash)
}
+ log.Trace("Removed old queued transactions", "count", len(forwards))
// Drop all transactions that are too costly (low balance or out of gas)
drops, _ := list.Filter(pool.currentState.GetBalance(addr), pool.currentMaxGas)
for _, tx := range drops {
hash := tx.Hash()
pool.all.Remove(hash)
- log.Trace("Removed unpayable queued transaction", "hash", hash)
}
+ log.Trace("Removed unpayable queued transactions", "count", len(drops))
queuedNofundsMeter.Mark(int64(len(drops)))
// Gather all executable transactions and promote them
@@ -1168,11 +1223,11 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) []*types.Trans
for _, tx := range readies {
hash := tx.Hash()
if pool.promoteTx(addr, hash, tx) {
- log.Trace("Promoting queued transaction", "hash", hash)
promoted = append(promoted, tx)
}
}
- queuedCounter.Dec(int64(len(readies)))
+ log.Trace("Promoted queued transactions", "count", len(promoted))
+ queuedGauge.Dec(int64(len(readies)))
// Drop all transactions over the allowed limit
var caps types.Transactions
@@ -1187,13 +1242,14 @@ func (pool *TxPool) promoteExecutables(accounts []common.Address) []*types.Trans
}
// Mark all the items dropped as removed
pool.priced.Removed(len(forwards) + len(drops) + len(caps))
- queuedCounter.Dec(int64(len(forwards) + len(drops) + len(caps)))
+ queuedGauge.Dec(int64(len(forwards) + len(drops) + len(caps)))
if pool.locals.contains(addr) {
- localCounter.Dec(int64(len(forwards) + len(drops) + len(caps)))
+ localGauge.Dec(int64(len(forwards) + len(drops) + len(caps)))
}
// Delete the entire queue entry if it became empty.
if list.Empty() {
delete(pool.queue, addr)
+ delete(pool.beats, addr)
}
}
return promoted
@@ -1248,9 +1304,9 @@ func (pool *TxPool) truncatePending() {
log.Trace("Removed fairness-exceeding pending transaction", "hash", hash)
}
pool.priced.Removed(len(caps))
- pendingCounter.Dec(int64(len(caps)))
+ pendingGauge.Dec(int64(len(caps)))
if pool.locals.contains(offenders[i]) {
- localCounter.Dec(int64(len(caps)))
+ localGauge.Dec(int64(len(caps)))
}
pending--
}
@@ -1275,9 +1331,9 @@ func (pool *TxPool) truncatePending() {
log.Trace("Removed fairness-exceeding pending transaction", "hash", hash)
}
pool.priced.Removed(len(caps))
- pendingCounter.Dec(int64(len(caps)))
+ pendingGauge.Dec(int64(len(caps)))
if pool.locals.contains(addr) {
- localCounter.Dec(int64(len(caps)))
+ localGauge.Dec(int64(len(caps)))
}
pending--
}
@@ -1361,9 +1417,9 @@ func (pool *TxPool) demoteUnexecutables() {
log.Trace("Demoting pending transaction", "hash", hash)
pool.enqueueTx(hash, tx)
}
- pendingCounter.Dec(int64(len(olds) + len(drops) + len(invalids)))
+ pendingGauge.Dec(int64(len(olds) + len(drops) + len(invalids)))
if pool.locals.contains(addr) {
- localCounter.Dec(int64(len(olds) + len(drops) + len(invalids)))
+ localGauge.Dec(int64(len(olds) + len(drops) + len(invalids)))
}
// If there's a gap in front, alert (should never happen) and postpone all transactions
if list.Len() > 0 && list.txs.Get(nonce) == nil {
@@ -1373,12 +1429,13 @@ func (pool *TxPool) demoteUnexecutables() {
log.Error("Demoting invalidated transaction", "hash", hash)
pool.enqueueTx(hash, tx)
}
- pendingCounter.Dec(int64(len(gapped)))
+ pendingGauge.Dec(int64(len(gapped)))
+ // This might happen in a reorg, so log it to the metering
+ blockReorgInvalidatedTx.Mark(int64(len(gapped)))
}
- // Delete the entire queue entry if it became empty.
+ // Delete the entire pending entry if it became empty.
if list.Empty() {
delete(pool.pending, addr)
- delete(pool.beats, addr)
}
}
}
@@ -1422,6 +1479,10 @@ func (as *accountSet) contains(addr common.Address) bool {
return exist
}
+func (as *accountSet) empty() bool {
+ return len(as.accounts) == 0
+}
+
// containsTx checks if the sender of a given tx is within the set. If the sender
// cannot be derived, this method returns false.
func (as *accountSet) containsTx(tx *types.Transaction) bool {
@@ -1475,8 +1536,9 @@ func (as *accountSet) merge(other *accountSet) {
// peeking into the pool in TxPool.Get without having to acquire the widely scoped
// TxPool.mu mutex.
type txLookup struct {
- all map[common.Hash]*types.Transaction
- lock sync.RWMutex
+ all map[common.Hash]*types.Transaction
+ slots int
+ lock sync.RWMutex
}
// newTxLookup returns a new txLookup structure.
@@ -1514,11 +1576,22 @@ func (t *txLookup) Count() int {
return len(t.all)
}
+// Slots returns the current number of slots used in the lookup.
+func (t *txLookup) Slots() int {
+ t.lock.RLock()
+ defer t.lock.RUnlock()
+
+ return t.slots
+}
+
// Add adds a transaction to the lookup.
func (t *txLookup) Add(tx *types.Transaction) {
t.lock.Lock()
defer t.lock.Unlock()
+ t.slots += numSlots(tx)
+ slotsGauge.Update(int64(t.slots))
+
t.all[tx.Hash()] = tx
}
@@ -1527,5 +1600,13 @@ func (t *txLookup) Remove(hash common.Hash) {
t.lock.Lock()
defer t.lock.Unlock()
+ t.slots -= numSlots(t.all[hash])
+ slotsGauge.Update(int64(t.slots))
+
delete(t.all, hash)
}
+
+// numSlots calculates the number of slots needed for a single transaction.
+func numSlots(tx *types.Transaction) int {
+ return int((tx.Size() + txSlotSize - 1) / txSlotSize)
+}
diff --git a/core/types/block.go b/core/types/block.go
index 4096d86..99d6cc8 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -24,18 +24,19 @@ import (
"io"
"math/big"
"reflect"
- "sort"
+ "sync"
"sync/atomic"
"time"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/sha3"
)
var (
- EmptyRootHash = DeriveSha(Transactions{})
+ EmptyRootHash = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
EmptyUncleHash = rlpHash([]*Header(nil))
)
@@ -132,20 +133,40 @@ func (h *Header) SanityCheck() error {
return nil
}
+// hasherPool holds LegacyKeccak hashers.
+var hasherPool = sync.Pool{
+ New: func() interface{} {
+ return sha3.NewLegacyKeccak256()
+ },
+}
+
func rlpHash(x interface{}) (h common.Hash) {
- hw := sha3.NewLegacyKeccak256()
- rlp.Encode(hw, x)
- hw.Sum(h[:0])
+ sha := hasherPool.Get().(crypto.KeccakState)
+ defer hasherPool.Put(sha)
+ sha.Reset()
+ rlp.Encode(sha, x)
+ sha.Read(h[:])
return h
}
+// EmptyBody returns true if there is no additional 'body' to complete the header
+// that is: no transactions and no uncles.
+func (h *Header) EmptyBody() bool {
+ return h.TxHash == EmptyRootHash && h.UncleHash == EmptyUncleHash
+}
+
+// EmptyReceipts returns true if there are no receipts for this header/block.
+func (h *Header) EmptyReceipts() bool {
+ return h.ReceiptHash == EmptyRootHash
+}
+
// Body is a simple (mutable, non-safe) data container for storing and moving
// a block's data contents (transactions and uncles) together.
type Body struct {
Transactions []*Transaction
Uncles []*Header
Version uint32
- ExtData []byte `rlp:"nil"`
+ ExtData *[]byte `rlp:"nil"`
}
// Block represents an entire block in the Ethereum blockchain.
@@ -154,7 +175,7 @@ type Block struct {
uncles []*Header
transactions Transactions
version uint32
- extdata []byte
+ extdata *[]byte
// caches
hash atomic.Value
@@ -195,7 +216,7 @@ type myextblock struct {
Txs []*Transaction
Uncles []*Header
Version uint32
- ExtData []byte `rlp:"nil"`
+ ExtData *[]byte `rlp:"nil"`
}
// [deprecated by eth/63]
@@ -214,14 +235,14 @@ type storageblock struct {
// The values of TxHash, UncleHash, ReceiptHash and Bloom in header
// are ignored and set to values derived from the given txs, uncles
// and receipts.
-func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*Receipt, extdata []byte) *Block {
+func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*Receipt, hasher Hasher, extdata *[]byte) *Block {
b := &Block{header: CopyHeader(header), td: new(big.Int)}
// TODO: panic if len(txs) != len(receipts)
if len(txs) == 0 {
b.header.TxHash = EmptyRootHash
} else {
- b.header.TxHash = DeriveSha(Transactions(txs))
+ b.header.TxHash = DeriveSha(Transactions(txs), hasher)
b.transactions = make(Transactions, len(txs))
copy(b.transactions, txs)
}
@@ -229,7 +250,7 @@ func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*
if len(receipts) == 0 {
b.header.ReceiptHash = EmptyRootHash
} else {
- b.header.ReceiptHash = DeriveSha(Receipts(receipts))
+ b.header.ReceiptHash = DeriveSha(Receipts(receipts), hasher)
b.header.Bloom = CreateBloom(receipts)
}
@@ -243,8 +264,11 @@ func NewBlock(header *Header, txs []*Transaction, uncles []*Header, receipts []*
}
}
- b.extdata = make([]byte, len(extdata))
- copy(b.extdata, extdata)
+ if extdata != nil {
+ data := make([]byte, len(*extdata))
+ b.extdata = &data
+ copy(*b.extdata, *extdata)
+ }
return b
}
@@ -300,13 +324,13 @@ func (b *Block) DecodeRLP(s *rlp.Stream) error {
}
func (b *Block) SetExtraData(data []byte) {
- b.extdata = data
+ b.extdata = &data
b.header.ExtDataHash = rlpHash(data)
b.hash = atomic.Value{}
}
func (b *Block) ExtraData() []byte {
- return b.extdata
+ return *b.extdata
}
func (b *Block) SetVersion(ver uint32) {
@@ -439,16 +463,23 @@ func (b *Block) WithSeal(header *Header) *Block {
}
// WithBody returns a new block with the given transaction and uncle contents.
-func (b *Block) WithBody(transactions []*Transaction, uncles []*Header, version uint32, extdata []byte) *Block {
+func (b *Block) WithBody(transactions []*Transaction, uncles []*Header, version uint32, extdata *[]byte) *Block {
+ var data *[]byte
+ if extdata != nil {
+ _data := make([]byte, len(*extdata))
+ data = &_data
+ }
block := &Block{
header: CopyHeader(b.header),
transactions: make([]*Transaction, len(transactions)),
uncles: make([]*Header, len(uncles)),
- extdata: make([]byte, len(extdata)),
+ extdata: data,
version: version,
}
copy(block.transactions, transactions)
- copy(block.extdata, extdata)
+ if data != nil {
+ copy(*block.extdata, *extdata)
+ }
for i := range uncles {
block.uncles[i] = CopyHeader(uncles[i])
}
@@ -467,26 +498,3 @@ func (b *Block) Hash() common.Hash {
}
type Blocks []*Block
-
-type BlockBy func(b1, b2 *Block) bool
-
-func (self BlockBy) Sort(blocks Blocks) {
- bs := blockSorter{
- blocks: blocks,
- by: self,
- }
- sort.Sort(bs)
-}
-
-type blockSorter struct {
- blocks Blocks
- by func(b1, b2 *Block) bool
-}
-
-func (self blockSorter) Len() int { return len(self.blocks) }
-func (self blockSorter) Swap(i, j int) {
- self.blocks[i], self.blocks[j] = self.blocks[j], self.blocks[i]
-}
-func (self blockSorter) Less(i, j int) bool { return self.by(self.blocks[i], self.blocks[j]) }
-
-func Number(b1, b2 *Block) bool { return b1.header.Number.Cmp(b2.header.Number) < 0 }
diff --git a/core/types/bloom9.go b/core/types/bloom9.go
index 76923c4..d045c9e 100644
--- a/core/types/bloom9.go
+++ b/core/types/bloom9.go
@@ -20,8 +20,8 @@ import (
"fmt"
"math/big"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
)
type bytesBacked interface {
diff --git a/core/types/derive_sha.go b/core/types/derive_sha.go
index 8234191..7d40c7f 100644
--- a/core/types/derive_sha.go
+++ b/core/types/derive_sha.go
@@ -19,23 +19,30 @@ package types
import (
"bytes"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
)
+// DerivableList is the interface which can derive the hash.
type DerivableList interface {
Len() int
GetRlp(i int) []byte
}
-func DeriveSha(list DerivableList) common.Hash {
+// Hasher is the tool used to calculate the hash of derivable list.
+type Hasher interface {
+ Reset()
+ Update([]byte, []byte)
+ Hash() common.Hash
+}
+
+func DeriveSha(list DerivableList, hasher Hasher) common.Hash {
+ hasher.Reset()
keybuf := new(bytes.Buffer)
- trie := new(trie.Trie)
for i := 0; i < list.Len(); i++ {
keybuf.Reset()
rlp.Encode(keybuf, uint(i))
- trie.Update(keybuf.Bytes(), list.GetRlp(i))
+ hasher.Update(keybuf.Bytes(), list.GetRlp(i))
}
- return trie.Hash()
+ return hasher.Hash()
}
diff --git a/core/types/gen_header_json.go b/core/types/gen_header_json.go
index 48b35db..385892c 100644
--- a/core/types/gen_header_json.go
+++ b/core/types/gen_header_json.go
@@ -7,8 +7,8 @@ import (
"errors"
"math/big"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
var _ = (*headerMarshaling)(nil)
@@ -31,6 +31,7 @@ func (h Header) MarshalJSON() ([]byte, error) {
Extra hexutil.Bytes `json:"extraData" gencodec:"required"`
MixDigest common.Hash `json:"mixHash"`
Nonce BlockNonce `json:"nonce"`
+ ExtDataHash common.Hash `json:"extDataHash" gencodec:"required"`
Hash common.Hash `json:"hash"`
}
var enc Header
@@ -49,6 +50,7 @@ func (h Header) MarshalJSON() ([]byte, error) {
enc.Extra = h.Extra
enc.MixDigest = h.MixDigest
enc.Nonce = h.Nonce
+ enc.ExtDataHash = h.ExtDataHash
enc.Hash = h.Hash()
return json.Marshal(&enc)
}
@@ -71,6 +73,7 @@ func (h *Header) UnmarshalJSON(input []byte) error {
Extra *hexutil.Bytes `json:"extraData" gencodec:"required"`
MixDigest *common.Hash `json:"mixHash"`
Nonce *BlockNonce `json:"nonce"`
+ ExtDataHash *common.Hash `json:"extDataHash" gencodec:"required"`
}
var dec Header
if err := json.Unmarshal(input, &dec); err != nil {
@@ -134,5 +137,8 @@ func (h *Header) UnmarshalJSON(input []byte) error {
if dec.Nonce != nil {
h.Nonce = *dec.Nonce
}
+ if dec.ExtDataHash != nil {
+ h.ExtDataHash = *dec.ExtDataHash
+ }
return nil
}
diff --git a/core/types/gen_log_json.go b/core/types/gen_log_json.go
index 0e48863..90e1c14 100644
--- a/core/types/gen_log_json.go
+++ b/core/types/gen_log_json.go
@@ -6,8 +6,8 @@ import (
"encoding/json"
"errors"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
var _ = (*logMarshaling)(nil)
@@ -20,9 +20,9 @@ func (l Log) MarshalJSON() ([]byte, error) {
Data hexutil.Bytes `json:"data" gencodec:"required"`
BlockNumber hexutil.Uint64 `json:"blockNumber"`
TxHash common.Hash `json:"transactionHash" gencodec:"required"`
- TxIndex hexutil.Uint `json:"transactionIndex" gencodec:"required"`
+ TxIndex hexutil.Uint `json:"transactionIndex"`
BlockHash common.Hash `json:"blockHash"`
- Index hexutil.Uint `json:"logIndex" gencodec:"required"`
+ Index hexutil.Uint `json:"logIndex"`
Removed bool `json:"removed"`
}
var enc Log
@@ -46,9 +46,9 @@ func (l *Log) UnmarshalJSON(input []byte) error {
Data *hexutil.Bytes `json:"data" gencodec:"required"`
BlockNumber *hexutil.Uint64 `json:"blockNumber"`
TxHash *common.Hash `json:"transactionHash" gencodec:"required"`
- TxIndex *hexutil.Uint `json:"transactionIndex" gencodec:"required"`
+ TxIndex *hexutil.Uint `json:"transactionIndex"`
BlockHash *common.Hash `json:"blockHash"`
- Index *hexutil.Uint `json:"logIndex" gencodec:"required"`
+ Index *hexutil.Uint `json:"logIndex"`
Removed *bool `json:"removed"`
}
var dec Log
@@ -74,17 +74,15 @@ func (l *Log) UnmarshalJSON(input []byte) error {
return errors.New("missing required field 'transactionHash' for Log")
}
l.TxHash = *dec.TxHash
- if dec.TxIndex == nil {
- return errors.New("missing required field 'transactionIndex' for Log")
+ if dec.TxIndex != nil {
+ l.TxIndex = uint(*dec.TxIndex)
}
- l.TxIndex = uint(*dec.TxIndex)
if dec.BlockHash != nil {
l.BlockHash = *dec.BlockHash
}
- if dec.Index == nil {
- return errors.New("missing required field 'logIndex' for Log")
+ if dec.Index != nil {
+ l.Index = uint(*dec.Index)
}
- l.Index = uint(*dec.Index)
if dec.Removed != nil {
l.Removed = *dec.Removed
}
diff --git a/core/types/gen_receipt_json.go b/core/types/gen_receipt_json.go
index f7cde61..790ed65 100644
--- a/core/types/gen_receipt_json.go
+++ b/core/types/gen_receipt_json.go
@@ -7,8 +7,8 @@ import (
"errors"
"math/big"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
var _ = (*receiptMarshaling)(nil)
diff --git a/core/types/gen_tx_json.go b/core/types/gen_tx_json.go
index 0410632..e676058 100644
--- a/core/types/gen_tx_json.go
+++ b/core/types/gen_tx_json.go
@@ -7,8 +7,8 @@ import (
"errors"
"math/big"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
var _ = (*txdataMarshaling)(nil)
diff --git a/core/types/log.go b/core/types/log.go
index 0b6184f..88274e3 100644
--- a/core/types/log.go
+++ b/core/types/log.go
@@ -19,9 +19,9 @@ package types
import (
"io"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/rlp"
)
//go:generate gencodec -type Log -field-override logMarshaling -out gen_log_json.go
@@ -44,11 +44,11 @@ type Log struct {
// hash of the transaction
TxHash common.Hash `json:"transactionHash" gencodec:"required"`
// index of the transaction in the block
- TxIndex uint `json:"transactionIndex" gencodec:"required"`
+ TxIndex uint `json:"transactionIndex"`
// hash of the block in which the transaction was included
BlockHash common.Hash `json:"blockHash"`
// index of the log in the block
- Index uint `json:"logIndex" gencodec:"required"`
+ Index uint `json:"logIndex"`
// The Removed field is true if this log was reverted due to a chain reorganisation.
// You must pay attention to this field if you receive logs through a filter query.
diff --git a/core/types/receipt.go b/core/types/receipt.go
index 46538e8..21ac8a1 100644
--- a/core/types/receipt.go
+++ b/core/types/receipt.go
@@ -25,10 +25,10 @@ import (
"unsafe"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/rlp"
)
//go:generate gencodec -type Receipt -field-override receiptMarshaling -out gen_receipt_json.go
diff --git a/core/types/transaction.go b/core/types/transaction.go
index d9ada38..ec19744 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -22,11 +22,12 @@ import (
"io"
"math/big"
"sync/atomic"
+ "time"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/rlp"
)
//go:generate gencodec -type txdata -field-override txdataMarshaling -out gen_tx_json.go
@@ -36,7 +37,9 @@ var (
)
type Transaction struct {
- data txdata
+ data txdata // Consensus contents of a transaction
+ time time.Time // Time first seen locally (spam avoidance)
+
// caches
hash atomic.Value
size atomic.Value
@@ -100,8 +103,10 @@ func newTransaction(nonce uint64, to *common.Address, amount *big.Int, gasLimit
if gasPrice != nil {
d.Price.Set(gasPrice)
}
-
- return &Transaction{data: d}
+ return &Transaction{
+ data: d,
+ time: time.Now(),
+ }
}
// ChainId returns which chain id this transaction was signed for (if at all)
@@ -134,8 +139,8 @@ func (tx *Transaction) DecodeRLP(s *rlp.Stream) error {
err := s.Decode(&tx.data)
if err == nil {
tx.size.Store(common.StorageSize(rlp.ListSize(size)))
+ tx.time = time.Now()
}
-
return err
}
@@ -153,7 +158,6 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
if err := dec.UnmarshalJSON(input); err != nil {
return err
}
-
withSignature := dec.V.Sign() != 0 || dec.R.Sign() != 0 || dec.S.Sign() != 0
if withSignature {
var V byte
@@ -167,17 +171,25 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error {
return ErrInvalidSig
}
}
-
- *tx = Transaction{data: dec}
+ *tx = Transaction{
+ data: dec,
+ time: time.Now(),
+ }
return nil
}
func (tx *Transaction) Data() []byte { return common.CopyBytes(tx.data.Payload) }
func (tx *Transaction) Gas() uint64 { return tx.data.GasLimit }
func (tx *Transaction) GasPrice() *big.Int { return new(big.Int).Set(tx.data.Price) }
-func (tx *Transaction) Value() *big.Int { return new(big.Int).Set(tx.data.Amount) }
-func (tx *Transaction) Nonce() uint64 { return tx.data.AccountNonce }
-func (tx *Transaction) CheckNonce() bool { return true }
+func (tx *Transaction) GasPriceCmp(other *Transaction) int {
+ return tx.data.Price.Cmp(other.data.Price)
+}
+func (tx *Transaction) GasPriceIntCmp(other *big.Int) int {
+ return tx.data.Price.Cmp(other)
+}
+func (tx *Transaction) Value() *big.Int { return new(big.Int).Set(tx.data.Amount) }
+func (tx *Transaction) Nonce() uint64 { return tx.data.AccountNonce }
+func (tx *Transaction) CheckNonce() bool { return true }
// To returns the recipient address of the transaction.
// It returns nil if the transaction is a contract creation.
@@ -240,7 +252,10 @@ func (tx *Transaction) WithSignature(signer Signer, sig []byte) (*Transaction, e
if err != nil {
return nil, err
}
- cpy := &Transaction{data: tx.data}
+ cpy := &Transaction{
+ data: tx.data,
+ time: tx.time,
+ }
cpy.data.R, cpy.data.S, cpy.data.V = r, s, v
return cpy, nil
}
@@ -300,19 +315,27 @@ func (s TxByNonce) Len() int { return len(s) }
func (s TxByNonce) Less(i, j int) bool { return s[i].data.AccountNonce < s[j].data.AccountNonce }
func (s TxByNonce) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
-// TxByPrice implements both the sort and the heap interface, making it useful
+// TxByPriceAndTime implements both the sort and the heap interface, making it useful
// for all at once sorting as well as individually adding and removing elements.
-type TxByPrice Transactions
-
-func (s TxByPrice) Len() int { return len(s) }
-func (s TxByPrice) Less(i, j int) bool { return s[i].data.Price.Cmp(s[j].data.Price) > 0 }
-func (s TxByPrice) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+type TxByPriceAndTime Transactions
+
+func (s TxByPriceAndTime) Len() int { return len(s) }
+func (s TxByPriceAndTime) Less(i, j int) bool {
+ // If the prices are equal, use the time the transaction was first seen for
+ // deterministic sorting
+ cmp := s[i].data.Price.Cmp(s[j].data.Price)
+ if cmp == 0 {
+ return s[i].time.Before(s[j].time)
+ }
+ return cmp > 0
+}
+func (s TxByPriceAndTime) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
-func (s *TxByPrice) Push(x interface{}) {
+func (s *TxByPriceAndTime) Push(x interface{}) {
*s = append(*s, x.(*Transaction))
}
-func (s *TxByPrice) Pop() interface{} {
+func (s *TxByPriceAndTime) Pop() interface{} {
old := *s
n := len(old)
x := old[n-1]
@@ -325,7 +348,7 @@ func (s *TxByPrice) Pop() interface{} {
// entire batches of transactions for non-executable accounts.
type TransactionsByPriceAndNonce struct {
txs map[common.Address]Transactions // Per account nonce-sorted list of transactions
- heads TxByPrice // Next transaction for each unique account (price heap)
+ heads TxByPriceAndTime // Next transaction for each unique account (price heap)
signer Signer // Signer for the set of transactions
}
@@ -335,8 +358,8 @@ type TransactionsByPriceAndNonce struct {
// Note, the input map is reowned so the caller should not interact any more with
// if after providing it to the constructor.
func NewTransactionsByPriceAndNonce(signer Signer, txs map[common.Address]Transactions) *TransactionsByPriceAndNonce {
- // Initialize a price based heap with the head transactions
- heads := make(TxByPrice, 0, len(txs))
+ // Initialize a price and received time based heap with the head transactions
+ heads := make(TxByPriceAndTime, 0, len(txs))
for from, accTxs := range txs {
heads = append(heads, accTxs[0])
// Ensure the sender address is from the signer
diff --git a/core/types/transaction_signing.go b/core/types/transaction_signing.go
index cb556eb..819c680 100644
--- a/core/types/transaction_signing.go
+++ b/core/types/transaction_signing.go
@@ -23,8 +23,8 @@ import (
"math/big"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
)
var (
diff --git a/core/vm/common.go b/core/vm/common.go
index ead30fc..90ba4a4 100644
--- a/core/vm/common.go
+++ b/core/vm/common.go
@@ -17,15 +17,14 @@
package vm
import (
- "math/big"
-
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/holiman/uint256"
)
// calcMemSize64 calculates the required memory size, and returns
// the size and whether the result overflowed uint64
-func calcMemSize64(off, l *big.Int) (uint64, bool) {
+func calcMemSize64(off, l *uint256.Int) (uint64, bool) {
if !l.IsUint64() {
return 0, true
}
@@ -35,16 +34,16 @@ func calcMemSize64(off, l *big.Int) (uint64, bool) {
// calcMemSize64WithUint calculates the required memory size, and returns
// the size and whether the result overflowed uint64
// Identical to calcMemSize64, but length is a uint64
-func calcMemSize64WithUint(off *big.Int, length64 uint64) (uint64, bool) {
+func calcMemSize64WithUint(off *uint256.Int, length64 uint64) (uint64, bool) {
// if length is zero, memsize is always zero, regardless of offset
if length64 == 0 {
return 0, false
}
// Check that offset doesn't overflow
- if !off.IsUint64() {
+ offset64, overflow := off.Uint64WithOverflow()
+ if overflow {
return 0, true
}
- offset64 := off.Uint64()
val := offset64 + length64
// if value < either of it's parts, then it overflowed
return val, val < offset64
@@ -64,22 +63,6 @@ func getData(data []byte, start uint64, size uint64) []byte {
return common.RightPadBytes(data[start:end], int(size))
}
-// getDataBig returns a slice from the data based on the start and size and pads
-// up to size with zero's. This function is overflow safe.
-func getDataBig(data []byte, start *big.Int, size *big.Int) []byte {
- dlen := big.NewInt(int64(len(data)))
-
- s := math.BigMin(start, dlen)
- e := math.BigMin(new(big.Int).Add(s, size), dlen)
- return common.RightPadBytes(data[s.Uint64():e.Uint64()], int(size.Uint64()))
-}
-
-// bigUint64 returns the integer casted to a uint64 and returns whether it
-// overflowed in the process.
-func bigUint64(v *big.Int) (uint64, bool) {
- return v.Uint64(), !v.IsUint64()
-}
-
// toWordSize returns the ceiled word size required for memory expansion.
func toWordSize(size uint64) uint64 {
if size > math.MaxUint64-31 {
diff --git a/core/vm/contract.go b/core/vm/contract.go
index ed17402..915193d 100644
--- a/core/vm/contract.go
+++ b/core/vm/contract.go
@@ -19,7 +19,8 @@ package vm
import (
"math/big"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/holiman/uint256"
)
// ContractRef is a reference to the contract's backing object
@@ -81,18 +82,43 @@ func NewContract(caller ContractRef, object ContractRef, value *big.Int, gas uin
return c
}
-func (c *Contract) validJumpdest(dest *big.Int) bool {
- udest := dest.Uint64()
+func (c *Contract) validJumpdest(dest *uint256.Int) bool {
+ udest, overflow := dest.Uint64WithOverflow()
// PC cannot go beyond len(code) and certainly can't be bigger than 63bits.
// Don't bother checking for JUMPDEST in that case.
- if dest.BitLen() >= 63 || udest >= uint64(len(c.Code)) {
+ if overflow || udest >= uint64(len(c.Code)) {
return false
}
// Only JUMPDESTs allowed for destinations
if OpCode(c.Code[udest]) != JUMPDEST {
return false
}
+ return c.isCode(udest)
+}
+
+func (c *Contract) validJumpSubdest(udest uint64) bool {
+ // PC cannot go beyond len(code) and certainly can't be bigger than 63 bits.
+ // Don't bother checking for BEGINSUB in that case.
+ if int64(udest) < 0 || udest >= uint64(len(c.Code)) {
+ return false
+ }
+ // Only BEGINSUBs allowed for destinations
+ if OpCode(c.Code[udest]) != BEGINSUB {
+ return false
+ }
+ return c.isCode(udest)
+}
+
+// isCode returns true if the provided PC location is an actual opcode, as
+// opposed to a data-segment following a PUSHN operation.
+func (c *Contract) isCode(udest uint64) bool {
+ // Do we already have an analysis laying around?
+ if c.analysis != nil {
+ return c.analysis.codeSegment(udest)
+ }
// Do we have a contract hash already?
+ // If we do have a hash, that means it's a 'regular' contract. For regular
+ // contracts ( not temporary initcode), we store the analysis in a map
if c.CodeHash != (common.Hash{}) {
// Does parent context have the analysis?
analysis, exist := c.jumpdests[c.CodeHash]
@@ -102,6 +128,8 @@ func (c *Contract) validJumpdest(dest *big.Int) bool {
analysis = codeBitmap(c.Code)
c.jumpdests[c.CodeHash] = analysis
}
+ // Also stash it in current contract for faster access
+ c.analysis = analysis
return analysis.codeSegment(udest)
}
// We don't have the code hash, most likely a piece of initcode not already
diff --git a/core/vm/contracts.go b/core/vm/contracts.go
index 54eab4e..9827bac 100644
--- a/core/vm/contracts.go
+++ b/core/vm/contracts.go
@@ -23,11 +23,14 @@ import (
"math/big"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/crypto/blake2b"
- "github.com/ava-labs/go-ethereum/crypto/bn256"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/crypto/blake2b"
+ "github.com/ethereum/go-ethereum/crypto/bls12381"
+ "github.com/ethereum/go-ethereum/crypto/bn256"
+
+ //lint:ignore SA1019 Needed for precompile
"golang.org/x/crypto/ripemd160"
)
@@ -75,13 +78,42 @@ var PrecompiledContractsIstanbul = map[common.Address]PrecompiledContract{
common.BytesToAddress([]byte{9}): &blake2F{},
}
+// PrecompiledContractsYoloV1 contains the default set of pre-compiled Ethereum
+// contracts used in the Yolo v1 test release.
+var PrecompiledContractsYoloV1 = map[common.Address]PrecompiledContract{
+ common.BytesToAddress([]byte{1}): &ecrecover{},
+ common.BytesToAddress([]byte{2}): &sha256hash{},
+ common.BytesToAddress([]byte{3}): &ripemd160hash{},
+ common.BytesToAddress([]byte{4}): &dataCopy{},
+ common.BytesToAddress([]byte{5}): &bigModExp{},
+ common.BytesToAddress([]byte{6}): &bn256AddIstanbul{},
+ common.BytesToAddress([]byte{7}): &bn256ScalarMulIstanbul{},
+ common.BytesToAddress([]byte{8}): &bn256PairingIstanbul{},
+ common.BytesToAddress([]byte{9}): &blake2F{},
+ common.BytesToAddress([]byte{10}): &bls12381G1Add{},
+ common.BytesToAddress([]byte{11}): &bls12381G1Mul{},
+ common.BytesToAddress([]byte{12}): &bls12381G1MultiExp{},
+ common.BytesToAddress([]byte{13}): &bls12381G2Add{},
+ common.BytesToAddress([]byte{14}): &bls12381G2Mul{},
+ common.BytesToAddress([]byte{15}): &bls12381G2MultiExp{},
+ common.BytesToAddress([]byte{16}): &bls12381Pairing{},
+ common.BytesToAddress([]byte{17}): &bls12381MapG1{},
+ common.BytesToAddress([]byte{18}): &bls12381MapG2{},
+}
+
// RunPrecompiledContract runs and evaluates the output of a precompiled contract.
-func RunPrecompiledContract(p PrecompiledContract, input []byte, contract *Contract) (ret []byte, err error) {
- gas := p.RequiredGas(input)
- if contract.UseGas(gas) {
- return p.Run(input)
+// It returns
+// - the returned bytes,
+// - the _remaining_ gas,
+// - any error that occurred
+func RunPrecompiledContract(p PrecompiledContract, input []byte, suppliedGas uint64) (ret []byte, remainingGas uint64, err error) {
+ gasCost := p.RequiredGas(input)
+ if suppliedGas < gasCost {
+ return nil, 0, ErrOutOfGas
}
- return nil, ErrOutOfGas
+ suppliedGas -= gasCost
+ output, err := p.Run(input)
+ return output, suppliedGas, err
}
// ECRECOVER implemented as a native contract.
@@ -106,8 +138,13 @@ func (c *ecrecover) Run(input []byte) ([]byte, error) {
if !allZero(input[32:63]) || !crypto.ValidateSignatureValues(v, r, s, false) {
return nil, nil
}
+ // We must make sure not to modify the 'input', so placing the 'v' along with
+ // the signature needs to be done on a new allocation
+ sig := make([]byte, 65)
+ copy(sig, input[64:128])
+ sig[64] = v
// v needs to be at the end for libsecp256k1
- pubKey, err := crypto.Ecrecover(input[:32], append(input[64:128], v))
+ pubKey, err := crypto.Ecrecover(input[:32], sig)
// make sure the public key is a valid one
if err != nil {
return nil, nil
@@ -166,6 +203,7 @@ func (c *dataCopy) Run(in []byte) ([]byte, error) {
type bigModExp struct{}
var (
+ big0 = big.NewInt(0)
big1 = big.NewInt(1)
big4 = big.NewInt(4)
big8 = big.NewInt(8)
@@ -458,7 +496,7 @@ var (
)
func (c *blake2F) Run(input []byte) ([]byte, error) {
- // Make sure the input is valid (correct lenth and final flag)
+ // Make sure the input is valid (correct length and final flag)
if len(input) != blake2FInputLength {
return nil, errBlake2FInvalidInputLength
}
@@ -495,3 +533,428 @@ func (c *blake2F) Run(input []byte) ([]byte, error) {
}
return output, nil
}
+
+var (
+ errBLS12381InvalidInputLength = errors.New("invalid input length")
+ errBLS12381InvalidFieldElementTopBytes = errors.New("invalid field element top bytes")
+ errBLS12381G1PointSubgroup = errors.New("g1 point is not on correct subgroup")
+ errBLS12381G2PointSubgroup = errors.New("g2 point is not on correct subgroup")
+)
+
+// bls12381G1Add implements EIP-2537 G1Add precompile.
+type bls12381G1Add struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381G1Add) RequiredGas(input []byte) uint64 {
+ return params.Bls12381G1AddGas
+}
+
+func (c *bls12381G1Add) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 G1Add precompile.
+ // > G1 addition call expects `256` bytes as an input that is interpreted as byte concatenation of two G1 points (`128` bytes each).
+ // > Output is an encoding of addition operation result - single G1 point (`128` bytes).
+ if len(input) != 256 {
+ return nil, errBLS12381InvalidInputLength
+ }
+ var err error
+ var p0, p1 *bls12381.PointG1
+
+ // Initialize G1
+ g := bls12381.NewG1()
+
+ // Decode G1 point p_0
+ if p0, err = g.DecodePoint(input[:128]); err != nil {
+ return nil, err
+ }
+ // Decode G1 point p_1
+ if p1, err = g.DecodePoint(input[128:]); err != nil {
+ return nil, err
+ }
+
+ // Compute r = p_0 + p_1
+ r := g.New()
+ g.Add(r, p0, p1)
+
+ // Encode the G1 point result into 128 bytes
+ return g.EncodePoint(r), nil
+}
+
+// bls12381G1Mul implements EIP-2537 G1Mul precompile.
+type bls12381G1Mul struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381G1Mul) RequiredGas(input []byte) uint64 {
+ return params.Bls12381G1MulGas
+}
+
+func (c *bls12381G1Mul) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 G1Mul precompile.
+ // > G1 multiplication call expects `160` bytes as an input that is interpreted as byte concatenation of encoding of G1 point (`128` bytes) and encoding of a scalar value (`32` bytes).
+ // > Output is an encoding of multiplication operation result - single G1 point (`128` bytes).
+ if len(input) != 160 {
+ return nil, errBLS12381InvalidInputLength
+ }
+ var err error
+ var p0 *bls12381.PointG1
+
+ // Initialize G1
+ g := bls12381.NewG1()
+
+ // Decode G1 point
+ if p0, err = g.DecodePoint(input[:128]); err != nil {
+ return nil, err
+ }
+ // Decode scalar value
+ e := new(big.Int).SetBytes(input[128:])
+
+ // Compute r = e * p_0
+ r := g.New()
+ g.MulScalar(r, p0, e)
+
+ // Encode the G1 point into 128 bytes
+ return g.EncodePoint(r), nil
+}
+
+// bls12381G1MultiExp implements EIP-2537 G1MultiExp precompile.
+type bls12381G1MultiExp struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381G1MultiExp) RequiredGas(input []byte) uint64 {
+ // Calculate G1 point, scalar value pair length
+ k := len(input) / 160
+ if k == 0 {
+ // Return 0 gas for small input length
+ return 0
+ }
+ // Lookup discount value for G1 point, scalar value pair length
+ var discount uint64
+ if dLen := len(params.Bls12381MultiExpDiscountTable); k < dLen {
+ discount = params.Bls12381MultiExpDiscountTable[k-1]
+ } else {
+ discount = params.Bls12381MultiExpDiscountTable[dLen-1]
+ }
+ // Calculate gas and return the result
+ return (uint64(k) * params.Bls12381G1MulGas * discount) / 1000
+}
+
+func (c *bls12381G1MultiExp) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 G1MultiExp precompile.
+ // G1 multiplication call expects `160*k` bytes as an input that is interpreted as byte concatenation of `k` slices each of them being a byte concatenation of encoding of G1 point (`128` bytes) and encoding of a scalar value (`32` bytes).
+ // Output is an encoding of multiexponentiation operation result - single G1 point (`128` bytes).
+ k := len(input) / 160
+ if len(input) == 0 || len(input)%160 != 0 {
+ return nil, errBLS12381InvalidInputLength
+ }
+ var err error
+ points := make([]*bls12381.PointG1, k)
+ scalars := make([]*big.Int, k)
+
+ // Initialize G1
+ g := bls12381.NewG1()
+
+ // Decode point scalar pairs
+ for i := 0; i < k; i++ {
+ off := 160 * i
+ t0, t1, t2 := off, off+128, off+160
+ // Decode G1 point
+ if points[i], err = g.DecodePoint(input[t0:t1]); err != nil {
+ return nil, err
+ }
+ // Decode scalar value
+ scalars[i] = new(big.Int).SetBytes(input[t1:t2])
+ }
+
+ // Compute r = e_0 * p_0 + e_1 * p_1 + ... + e_(k-1) * p_(k-1)
+ r := g.New()
+ g.MultiExp(r, points, scalars)
+
+ // Encode the G1 point to 128 bytes
+ return g.EncodePoint(r), nil
+}
+
+// bls12381G2Add implements EIP-2537 G2Add precompile.
+type bls12381G2Add struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381G2Add) RequiredGas(input []byte) uint64 {
+ return params.Bls12381G2AddGas
+}
+
+func (c *bls12381G2Add) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 G2Add precompile.
+ // > G2 addition call expects `512` bytes as an input that is interpreted as byte concatenation of two G2 points (`256` bytes each).
+ // > Output is an encoding of addition operation result - single G2 point (`256` bytes).
+ if len(input) != 512 {
+ return nil, errBLS12381InvalidInputLength
+ }
+ var err error
+ var p0, p1 *bls12381.PointG2
+
+ // Initialize G2
+ g := bls12381.NewG2()
+ r := g.New()
+
+ // Decode G2 point p_0
+ if p0, err = g.DecodePoint(input[:256]); err != nil {
+ return nil, err
+ }
+ // Decode G2 point p_1
+ if p1, err = g.DecodePoint(input[256:]); err != nil {
+ return nil, err
+ }
+
+ // Compute r = p_0 + p_1
+ g.Add(r, p0, p1)
+
+ // Encode the G2 point into 256 bytes
+ return g.EncodePoint(r), nil
+}
+
+// bls12381G2Mul implements EIP-2537 G2Mul precompile.
+type bls12381G2Mul struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381G2Mul) RequiredGas(input []byte) uint64 {
+ return params.Bls12381G2MulGas
+}
+
+func (c *bls12381G2Mul) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 G2MUL precompile logic.
+ // > G2 multiplication call expects `288` bytes as an input that is interpreted as byte concatenation of encoding of G2 point (`256` bytes) and encoding of a scalar value (`32` bytes).
+ // > Output is an encoding of multiplication operation result - single G2 point (`256` bytes).
+ if len(input) != 288 {
+ return nil, errBLS12381InvalidInputLength
+ }
+ var err error
+ var p0 *bls12381.PointG2
+
+ // Initialize G2
+ g := bls12381.NewG2()
+
+ // Decode G2 point
+ if p0, err = g.DecodePoint(input[:256]); err != nil {
+ return nil, err
+ }
+ // Decode scalar value
+ e := new(big.Int).SetBytes(input[256:])
+
+ // Compute r = e * p_0
+ r := g.New()
+ g.MulScalar(r, p0, e)
+
+ // Encode the G2 point into 256 bytes
+ return g.EncodePoint(r), nil
+}
+
+// bls12381G2MultiExp implements EIP-2537 G2MultiExp precompile.
+type bls12381G2MultiExp struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381G2MultiExp) RequiredGas(input []byte) uint64 {
+ // Calculate G2 point, scalar value pair length
+ k := len(input) / 288
+ if k == 0 {
+ // Return 0 gas for small input length
+ return 0
+ }
+ // Lookup discount value for G2 point, scalar value pair length
+ var discount uint64
+ if dLen := len(params.Bls12381MultiExpDiscountTable); k < dLen {
+ discount = params.Bls12381MultiExpDiscountTable[k-1]
+ } else {
+ discount = params.Bls12381MultiExpDiscountTable[dLen-1]
+ }
+ // Calculate gas and return the result
+ return (uint64(k) * params.Bls12381G2MulGas * discount) / 1000
+}
+
+func (c *bls12381G2MultiExp) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 G2MultiExp precompile logic
+ // > G2 multiplication call expects `288*k` bytes as an input that is interpreted as byte concatenation of `k` slices each of them being a byte concatenation of encoding of G2 point (`256` bytes) and encoding of a scalar value (`32` bytes).
+ // > Output is an encoding of multiexponentiation operation result - single G2 point (`256` bytes).
+ k := len(input) / 288
+ if len(input) == 0 || len(input)%288 != 0 {
+ return nil, errBLS12381InvalidInputLength
+ }
+ var err error
+ points := make([]*bls12381.PointG2, k)
+ scalars := make([]*big.Int, k)
+
+ // Initialize G2
+ g := bls12381.NewG2()
+
+ // Decode point scalar pairs
+ for i := 0; i < k; i++ {
+ off := 288 * i
+ t0, t1, t2 := off, off+256, off+288
+ // Decode G1 point
+ if points[i], err = g.DecodePoint(input[t0:t1]); err != nil {
+ return nil, err
+ }
+ // Decode scalar value
+ scalars[i] = new(big.Int).SetBytes(input[t1:t2])
+ }
+
+ // Compute r = e_0 * p_0 + e_1 * p_1 + ... + e_(k-1) * p_(k-1)
+ r := g.New()
+ g.MultiExp(r, points, scalars)
+
+ // Encode the G2 point to 256 bytes.
+ return g.EncodePoint(r), nil
+}
+
+// bls12381Pairing implements EIP-2537 Pairing precompile.
+type bls12381Pairing struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381Pairing) RequiredGas(input []byte) uint64 {
+ return params.Bls12381PairingBaseGas + uint64(len(input)/384)*params.Bls12381PairingPerPairGas
+}
+
+func (c *bls12381Pairing) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 Pairing precompile logic.
+ // > Pairing call expects `384*k` bytes as an inputs that is interpreted as byte concatenation of `k` slices. Each slice has the following structure:
+ // > - `128` bytes of G1 point encoding
+ // > - `256` bytes of G2 point encoding
+ // > Output is a `32` bytes where last single byte is `0x01` if pairing result is equal to multiplicative identity in a pairing target field and `0x00` otherwise
+ // > (which is equivalent of Big Endian encoding of Solidity values `uint256(1)` and `uin256(0)` respectively).
+ k := len(input) / 384
+ if len(input) == 0 || len(input)%384 != 0 {
+ return nil, errBLS12381InvalidInputLength
+ }
+
+ // Initialize BLS12-381 pairing engine
+ e := bls12381.NewPairingEngine()
+ g1, g2 := e.G1, e.G2
+
+ // Decode pairs
+ for i := 0; i < k; i++ {
+ off := 384 * i
+ t0, t1, t2 := off, off+128, off+384
+
+ // Decode G1 point
+ p1, err := g1.DecodePoint(input[t0:t1])
+ if err != nil {
+ return nil, err
+ }
+ // Decode G2 point
+ p2, err := g2.DecodePoint(input[t1:t2])
+ if err != nil {
+ return nil, err
+ }
+
+ // 'point is on curve' check already done,
+ // Here we need to apply subgroup checks.
+ if !g1.InCorrectSubgroup(p1) {
+ return nil, errBLS12381G1PointSubgroup
+ }
+ if !g2.InCorrectSubgroup(p2) {
+ return nil, errBLS12381G2PointSubgroup
+ }
+
+ // Update pairing engine with G1 and G2 ponits
+ e.AddPair(p1, p2)
+ }
+ // Prepare 32 byte output
+ out := make([]byte, 32)
+
+ // Compute pairing and set the result
+ if e.Check() {
+ out[31] = 1
+ }
+ return out, nil
+}
+
+// decodeBLS12381FieldElement decodes BLS12-381 elliptic curve field element.
+// Removes top 16 bytes of 64 byte input.
+func decodeBLS12381FieldElement(in []byte) ([]byte, error) {
+ if len(in) != 64 {
+ return nil, errors.New("invalid field element length")
+ }
+ // check top bytes
+ for i := 0; i < 16; i++ {
+ if in[i] != byte(0x00) {
+ return nil, errBLS12381InvalidFieldElementTopBytes
+ }
+ }
+ out := make([]byte, 48)
+ copy(out[:], in[16:])
+ return out, nil
+}
+
+// bls12381MapG1 implements EIP-2537 MapG1 precompile.
+type bls12381MapG1 struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381MapG1) RequiredGas(input []byte) uint64 {
+ return params.Bls12381MapG1Gas
+}
+
+func (c *bls12381MapG1) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 Map_To_G1 precompile.
+ // > Field-to-curve call expects `64` bytes an an input that is interpreted as a an element of the base field.
+ // > Output of this call is `128` bytes and is G1 point following respective encoding rules.
+ if len(input) != 64 {
+ return nil, errBLS12381InvalidInputLength
+ }
+
+ // Decode input field element
+ fe, err := decodeBLS12381FieldElement(input)
+ if err != nil {
+ return nil, err
+ }
+
+ // Initialize G1
+ g := bls12381.NewG1()
+
+ // Compute mapping
+ r, err := g.MapToCurve(fe)
+ if err != nil {
+ return nil, err
+ }
+
+ // Encode the G1 point to 128 bytes
+ return g.EncodePoint(r), nil
+}
+
+// bls12381MapG2 implements EIP-2537 MapG2 precompile.
+type bls12381MapG2 struct{}
+
+// RequiredGas returns the gas required to execute the pre-compiled contract.
+func (c *bls12381MapG2) RequiredGas(input []byte) uint64 {
+ return params.Bls12381MapG2Gas
+}
+
+func (c *bls12381MapG2) Run(input []byte) ([]byte, error) {
+ // Implements EIP-2537 Map_FP2_TO_G2 precompile logic.
+ // > Field-to-curve call expects `128` bytes an an input that is interpreted as a an element of the quadratic extension field.
+ // > Output of this call is `256` bytes and is G2 point following respective encoding rules.
+ if len(input) != 128 {
+ return nil, errBLS12381InvalidInputLength
+ }
+
+ // Decode input field element
+ fe := make([]byte, 96)
+ c0, err := decodeBLS12381FieldElement(input[:64])
+ if err != nil {
+ return nil, err
+ }
+ copy(fe[48:], c0)
+ c1, err := decodeBLS12381FieldElement(input[64:])
+ if err != nil {
+ return nil, err
+ }
+ copy(fe[:48], c1)
+
+ // Initialize G2
+ g := bls12381.NewG2()
+
+ // Compute mapping
+ r, err := g.MapToCurve(fe)
+ if err != nil {
+ return nil, err
+ }
+
+ // Encode the G2 point to 256 bytes
+ return g.EncodePoint(r), nil
+}
diff --git a/core/vm/eips.go b/core/vm/eips.go
index 75e5fb1..5ec7587 100644
--- a/core/vm/eips.go
+++ b/core/vm/eips.go
@@ -18,27 +18,44 @@ package vm
import (
"fmt"
+ "sort"
"github.com/ava-labs/coreth/params"
+ "github.com/holiman/uint256"
)
+var activators = map[int]func(*JumpTable){
+ 2200: enable2200,
+ 1884: enable1884,
+ 1344: enable1344,
+ 2315: enable2315,
+}
+
// EnableEIP enables the given EIP on the config.
// This operation writes in-place, and callers need to ensure that the globally
// defined jump tables are not polluted.
func EnableEIP(eipNum int, jt *JumpTable) error {
- switch eipNum {
- case 2200:
- enable2200(jt)
- case 1884:
- enable1884(jt)
- case 1344:
- enable1344(jt)
- default:
+ enablerFn, ok := activators[eipNum]
+ if !ok {
return fmt.Errorf("undefined eip %d", eipNum)
}
+ enablerFn(jt)
return nil
}
+func ValidEip(eipNum int) bool {
+ _, ok := activators[eipNum]
+ return ok
+}
+func ActivateableEips() []string {
+ var nums []string
+ for k := range activators {
+ nums = append(nums, fmt.Sprintf("%d", k))
+ }
+ sort.Strings(nums)
+ return nums
+}
+
// enable1884 applies EIP-1884 to the given jump table:
// - Increase cost of BALANCE to 700
// - Increase cost of EXTCODEHASH to 700
@@ -46,23 +63,22 @@ func EnableEIP(eipNum int, jt *JumpTable) error {
// - Define SELFBALANCE, with cost GasFastStep (5)
func enable1884(jt *JumpTable) {
// Gas cost changes
+ jt[SLOAD].constantGas = params.SloadGasEIP1884
jt[BALANCE].constantGas = params.BalanceGasEIP1884
jt[EXTCODEHASH].constantGas = params.ExtcodeHashGasEIP1884
- jt[SLOAD].constantGas = params.SloadGasEIP1884
// New opcode
- jt[SELFBALANCE] = operation{
+ jt[SELFBALANCE] = &operation{
execute: opSelfBalance,
constantGas: GasFastStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
}
}
-func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- balance := interpreter.intPool.get().Set(interpreter.evm.StateDB.GetBalance(contract.Address()))
- stack.push(balance)
+func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ balance, _ := uint256.FromBig(interpreter.evm.StateDB.GetBalance(callContext.contract.Address()))
+ callContext.stack.push(balance)
return nil, nil
}
@@ -70,23 +86,51 @@ func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, contract *Contract,
// - Adds an opcode that returns the current chain’s EIP-155 unique identifier
func enable1344(jt *JumpTable) {
// New opcode
- jt[CHAINID] = operation{
+ jt[CHAINID] = &operation{
execute: opChainID,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
}
}
// opChainID implements CHAINID opcode
-func opChainID(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- chainId := interpreter.intPool.get().Set(interpreter.evm.chainConfig.ChainID)
- stack.push(chainId)
+func opChainID(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ chainId, _ := uint256.FromBig(interpreter.evm.chainConfig.ChainID)
+ callContext.stack.push(chainId)
return nil, nil
}
// enable2200 applies EIP-2200 (Rebalance net-metered SSTORE)
func enable2200(jt *JumpTable) {
+ jt[SLOAD].constantGas = params.SloadGasEIP2200
jt[SSTORE].dynamicGas = gasSStoreEIP2200
}
+
+// enable2315 applies EIP-2315 (Simple Subroutines)
+// - Adds opcodes that jump to and return from subroutines
+func enable2315(jt *JumpTable) {
+ // New opcode
+ jt[BEGINSUB] = &operation{
+ execute: opBeginSub,
+ constantGas: GasQuickStep,
+ minStack: minStack(0, 0),
+ maxStack: maxStack(0, 0),
+ }
+ // New opcode
+ jt[JUMPSUB] = &operation{
+ execute: opJumpSub,
+ constantGas: GasSlowStep,
+ minStack: minStack(1, 0),
+ maxStack: maxStack(1, 0),
+ jumps: true,
+ }
+ // New opcode
+ jt[RETURNSUB] = &operation{
+ execute: opReturnSub,
+ constantGas: GasFastStep,
+ minStack: minStack(0, 0),
+ maxStack: maxStack(0, 0),
+ jumps: true,
+ }
+}
diff --git a/core/vm/errors.go b/core/vm/errors.go
index 94f0ed8..9f3f335 100644
--- a/core/vm/errors.go
+++ b/core/vm/errors.go
@@ -16,16 +16,57 @@
package vm
-import "errors"
+import (
+ "errors"
+ "fmt"
+)
-// List execution errors
+// List evm execution errors
var (
+ // ErrInvalidSubroutineEntry means that a BEGINSUB was reached via iteration,
+ // as opposed to from a JUMPSUB instruction
+ ErrInvalidSubroutineEntry = errors.New("invalid subroutine entry")
ErrOutOfGas = errors.New("out of gas")
ErrCodeStoreOutOfGas = errors.New("contract creation code storage out of gas")
ErrDepth = errors.New("max call depth exceeded")
- ErrTraceLimitReached = errors.New("the number of logs reached the specified limit")
ErrInsufficientBalance = errors.New("insufficient balance for transfer")
ErrIncompatibleAccount = errors.New("incompatible account")
ErrContractAddressCollision = errors.New("contract address collision")
- ErrNoCompatibleInterpreter = errors.New("no compatible interpreter")
+ ErrExecutionReverted = errors.New("execution reverted")
+ ErrMaxCodeSizeExceeded = errors.New("max code size exceeded")
+ ErrInvalidJump = errors.New("invalid jump destination")
+ ErrWriteProtection = errors.New("write protection")
+ ErrReturnDataOutOfBounds = errors.New("return data out of bounds")
+ ErrGasUintOverflow = errors.New("gas uint64 overflow")
+ ErrInvalidRetsub = errors.New("invalid retsub")
+ ErrReturnStackExceeded = errors.New("return stack limit reached")
)
+
+// ErrStackUnderflow wraps an evm error when the items on the stack less
+// than the minimal requirement.
+type ErrStackUnderflow struct {
+ stackLen int
+ required int
+}
+
+func (e *ErrStackUnderflow) Error() string {
+ return fmt.Sprintf("stack underflow (%d <=> %d)", e.stackLen, e.required)
+}
+
+// ErrStackOverflow wraps an evm error when the items on the stack exceeds
+// the maximum allowance.
+type ErrStackOverflow struct {
+ stackLen int
+ limit int
+}
+
+func (e *ErrStackOverflow) Error() string {
+ return fmt.Sprintf("stack limit reached %d (%d)", e.stackLen, e.limit)
+}
+
+// ErrInvalidOpCode wraps an evm error when an invalid opcode is encountered.
+type ErrInvalidOpCode struct {
+ opcode OpCode
+}
+
+func (e *ErrInvalidOpCode) Error() string { return fmt.Sprintf("invalid opcode: %s", e.opcode) }
diff --git a/core/vm/evm.go b/core/vm/evm.go
index be8b240..e895211 100644
--- a/core/vm/evm.go
+++ b/core/vm/evm.go
@@ -17,13 +17,15 @@
package vm
import (
+ "errors"
"math/big"
"sync/atomic"
"time"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/holiman/uint256"
)
// emptyCodeHash is used by create to ensure deployment is disallowed to already
@@ -42,20 +44,24 @@ type (
GetHashFunc func(uint64) common.Hash
)
+func (evm *EVM) precompile(addr common.Address) (PrecompiledContract, bool) {
+ var precompiles map[common.Address]PrecompiledContract
+ switch {
+ case evm.chainRules.IsYoloV1:
+ precompiles = PrecompiledContractsYoloV1
+ case evm.chainRules.IsIstanbul:
+ precompiles = PrecompiledContractsIstanbul
+ case evm.chainRules.IsByzantium:
+ precompiles = PrecompiledContractsByzantium
+ default:
+ precompiles = PrecompiledContractsHomestead
+ }
+ p, ok := precompiles[addr]
+ return p, ok
+}
+
// run runs the given contract and takes care of running precompiles with a fallback to the byte code interpreter.
func run(evm *EVM, contract *Contract, input []byte, readOnly bool) ([]byte, error) {
- if contract.CodeAddr != nil {
- precompiles := PrecompiledContractsHomestead
- if evm.chainRules.IsByzantium {
- precompiles = PrecompiledContractsByzantium
- }
- if evm.chainRules.IsIstanbul {
- precompiles = PrecompiledContractsIstanbul
- }
- if p := precompiles[*contract.CodeAddr]; p != nil {
- return RunPrecompiledContract(p, input, contract)
- }
- }
for _, interpreter := range evm.interpreters {
if interpreter.CanRun(contract.Code) {
if evm.interpreter != interpreter {
@@ -69,7 +75,7 @@ func run(evm *EVM, contract *Contract, input []byte, readOnly bool) ([]byte, err
return interpreter.Run(contract, input, readOnly)
}
}
- return nil, ErrNoCompatibleInterpreter
+ return nil, errors.New("no compatible interpreter")
}
// Context provides the EVM with auxiliary information. Once provided
@@ -194,29 +200,19 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
if evm.vmConfig.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
-
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
// Fail if we're trying to transfer more than the available balance
- if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
+ if value.Sign() != 0 && !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, gas, ErrInsufficientBalance
}
+ snapshot := evm.StateDB.Snapshot()
+ p, isPrecompile := evm.precompile(addr)
- var (
- to = AccountRef(addr)
- snapshot = evm.StateDB.Snapshot()
- )
if !evm.StateDB.Exist(addr) {
- precompiles := PrecompiledContractsHomestead
- if evm.chainRules.IsByzantium {
- precompiles = PrecompiledContractsByzantium
- }
- if evm.chainRules.IsIstanbul {
- precompiles = PrecompiledContractsIstanbul
- }
- if precompiles[addr] == nil && evm.chainRules.IsEIP158 && value.Sign() == 0 {
+ if !isPrecompile && evm.chainRules.IsEIP158 && value.Sign() == 0 {
// Calling a non existing account, don't do anything, but ping the tracer
if evm.vmConfig.Debug && evm.depth == 0 {
evm.vmConfig.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value)
@@ -226,35 +222,47 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
}
evm.StateDB.CreateAccount(addr)
}
- evm.Transfer(evm.StateDB, caller.Address(), to.Address(), value)
- // Initialise a new contract and set the code that is to be used by the EVM.
- // The contract is a scoped environment for this execution context only.
- contract := NewContract(caller, to, value, gas)
- contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr))
-
- // Even if the account has no code, we need to continue because it might be a precompile
- start := time.Now()
+ evm.Transfer(evm.StateDB, caller.Address(), addr, value)
// Capture the tracer start/end events in debug mode
if evm.vmConfig.Debug && evm.depth == 0 {
evm.vmConfig.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value)
-
- defer func() { // Lazy evaluation of the parameters
- evm.vmConfig.Tracer.CaptureEnd(ret, gas-contract.Gas, time.Since(start), err)
- }()
+ defer func(startGas uint64, startTime time.Time) { // Lazy evaluation of the parameters
+ evm.vmConfig.Tracer.CaptureEnd(ret, startGas-gas, time.Since(startTime), err)
+ }(gas, time.Now())
+ }
+
+ if isPrecompile {
+ ret, gas, err = RunPrecompiledContract(p, input, gas)
+ } else {
+ // Initialise a new contract and set the code that is to be used by the EVM.
+ // The contract is a scoped environment for this execution context only.
+ code := evm.StateDB.GetCode(addr)
+ if len(code) == 0 {
+ ret, err = nil, nil // gas is unchanged
+ } else {
+ addrCopy := addr
+ // If the account has no code, we can abort here
+ // The depth-check is already done, and precompiles handled above
+ contract := NewContract(caller, AccountRef(addrCopy), value, gas)
+ contract.SetCallCode(&addrCopy, evm.StateDB.GetCodeHash(addrCopy), code)
+ ret, err = run(evm, contract, input, false)
+ gas = contract.Gas
+ }
}
- ret, err = run(evm, contract, input, false)
-
// When an error was returned by the EVM or when setting the creation code
// above we revert to the snapshot and consume any gas remaining. Additionally
// when we're in homestead this also counts for code storage gas errors.
if err != nil {
evm.StateDB.RevertToSnapshot(snapshot)
- if err != errExecutionReverted {
- contract.UseGas(contract.Gas)
+ if err != ErrExecutionReverted {
+ gas = 0
}
+ // TODO: consider clearing up unused snapshots:
+ //} else {
+ // evm.StateDB.DiscardSnapshot(snapshot)
}
- return ret, contract.Gas, err
+ return ret, gas, err
}
// This allows the user transfer balance of a specified coinId in addition to a normal Call().
@@ -262,13 +270,13 @@ func (evm *EVM) CallExpert(caller ContractRef, addr common.Address, input []byte
if evm.vmConfig.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
-
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
+
// Fail if we're trying to transfer more than the available balance
- if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
+ if value.Sign() != 0 && !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, gas, ErrInsufficientBalance
}
@@ -280,17 +288,11 @@ func (evm *EVM) CallExpert(caller ContractRef, addr common.Address, input []byte
return nil, gas, ErrIncompatibleAccount
}
- var snapshot = evm.StateDB.Snapshot()
+ snapshot := evm.StateDB.Snapshot()
+ p, isPrecompile := evm.precompile(addr)
if !evm.StateDB.Exist(addr) {
- precompiles := PrecompiledContractsHomestead
- if evm.chainRules.IsByzantium {
- precompiles = PrecompiledContractsByzantium
- }
- if evm.chainRules.IsIstanbul {
- precompiles = PrecompiledContractsIstanbul
- }
- if precompiles[addr] == nil && evm.chainRules.IsEIP158 && value.Sign() == 0 {
+ if !isPrecompile && evm.chainRules.IsEIP158 && value.Sign() == 0 {
// Calling a non existing account, don't do anything, but ping the tracer
if evm.vmConfig.Debug && evm.depth == 0 {
evm.vmConfig.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value)
@@ -300,36 +302,48 @@ func (evm *EVM) CallExpert(caller ContractRef, addr common.Address, input []byte
}
evm.StateDB.CreateAccount(addr)
}
- evm.Transfer(evm.StateDB, caller.Address(), to.Address(), value)
- evm.TransferMultiCoin(evm.StateDB, caller.Address(), to.Address(), coinID, value2)
- // Initialise a new contract and set the code that is to be used by the EVM.
- // The contract is a scoped environment for this execution context only.
- contract := NewContract(caller, to, value, gas)
- contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr))
-
- // Even if the account has no code, we need to continue because it might be a precompile
- start := time.Now()
+ evm.Transfer(evm.StateDB, caller.Address(), addr, value)
+ evm.TransferMultiCoin(evm.StateDB, caller.Address(), addr, coinID, value2)
// Capture the tracer start/end events in debug mode
if evm.vmConfig.Debug && evm.depth == 0 {
evm.vmConfig.Tracer.CaptureStart(caller.Address(), addr, false, input, gas, value)
-
- defer func() { // Lazy evaluation of the parameters
- evm.vmConfig.Tracer.CaptureEnd(ret, gas-contract.Gas, time.Since(start), err)
- }()
+ defer func(startGas uint64, startTime time.Time) { // Lazy evaluation of the parameters
+ evm.vmConfig.Tracer.CaptureEnd(ret, startGas-gas, time.Since(startTime), err)
+ }(gas, time.Now())
+ }
+
+ if isPrecompile {
+ ret, gas, err = RunPrecompiledContract(p, input, gas)
+ } else {
+ // Initialise a new contract and set the code that is to be used by the EVM.
+ // The contract is a scoped environment for this execution context only.
+ code := evm.StateDB.GetCode(addr)
+ if len(code) == 0 {
+ ret, err = nil, nil // gas is unchanged
+ } else {
+ addrCopy := addr
+ // If the account has no code, we can abort here
+ // The depth-check is already done, and precompiles handled above
+ contract := NewContract(caller, AccountRef(addrCopy), value, gas)
+ contract.SetCallCode(&addrCopy, evm.StateDB.GetCodeHash(addrCopy), code)
+ ret, err = run(evm, contract, input, false)
+ gas = contract.Gas
+ }
}
- ret, err = run(evm, contract, input, false)
-
// When an error was returned by the EVM or when setting the creation code
// above we revert to the snapshot and consume any gas remaining. Additionally
// when we're in homestead this also counts for code storage gas errors.
if err != nil {
evm.StateDB.RevertToSnapshot(snapshot)
- if err != errExecutionReverted {
- contract.UseGas(contract.Gas)
+ if err != ErrExecutionReverted {
+ gas = 0
}
+ // TODO: consider clearing up unused snapshots:
+ //} else {
+ // evm.StateDB.DiscardSnapshot(snapshot)
}
- return ret, contract.Gas, err
+ return ret, gas, err
}
// CallCode executes the contract associated with the addr with the given input
@@ -343,33 +357,38 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
if evm.vmConfig.NoRecursion && evm.depth > 0 {
return nil, gas, nil
}
-
// Fail if we're trying to execute above the call depth limit
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
// Fail if we're trying to transfer more than the available balance
- if !evm.CanTransfer(evm.StateDB, caller.Address(), value) {
+ // Note although it's noop to transfer X ether to caller itself. But
+ // if caller doesn't have enough balance, it would be an error to allow
+ // over-charging itself. So the check here is necessary.
+ if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
return nil, gas, ErrInsufficientBalance
}
+ var snapshot = evm.StateDB.Snapshot()
- var (
- snapshot = evm.StateDB.Snapshot()
- to = AccountRef(caller.Address())
- )
- // Initialise a new contract and set the code that is to be used by the EVM.
- // The contract is a scoped environment for this execution context only.
- contract := NewContract(caller, to, value, gas)
- contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr))
-
- ret, err = run(evm, contract, input, false)
+ // It is allowed to call precompiles, even via delegatecall
+ if p, isPrecompile := evm.precompile(addr); isPrecompile {
+ ret, gas, err = RunPrecompiledContract(p, input, gas)
+ } else {
+ addrCopy := addr
+ // Initialise a new contract and set the code that is to be used by the EVM.
+ // The contract is a scoped environment for this execution context only.
+ contract := NewContract(caller, AccountRef(caller.Address()), value, gas)
+ contract.SetCallCode(&addrCopy, evm.StateDB.GetCodeHash(addrCopy), evm.StateDB.GetCode(addrCopy))
+ ret, err = run(evm, contract, input, false)
+ gas = contract.Gas
+ }
if err != nil {
evm.StateDB.RevertToSnapshot(snapshot)
- if err != errExecutionReverted {
- contract.UseGas(contract.Gas)
+ if err != ErrExecutionReverted {
+ gas = 0
}
}
- return ret, contract.Gas, err
+ return ret, gas, err
}
// DelegateCall executes the contract associated with the addr with the given input
@@ -385,24 +404,26 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
+ var snapshot = evm.StateDB.Snapshot()
- var (
- snapshot = evm.StateDB.Snapshot()
- to = AccountRef(caller.Address())
- )
-
- // Initialise a new contract and make initialise the delegate values
- contract := NewContract(caller, to, nil, gas).AsDelegate()
- contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr))
-
- ret, err = run(evm, contract, input, false)
+ // It is allowed to call precompiles, even via delegatecall
+ if p, isPrecompile := evm.precompile(addr); isPrecompile {
+ ret, gas, err = RunPrecompiledContract(p, input, gas)
+ } else {
+ addrCopy := addr
+ // Initialise a new contract and make initialise the delegate values
+ contract := NewContract(caller, AccountRef(caller.Address()), nil, gas).AsDelegate()
+ contract.SetCallCode(&addrCopy, evm.StateDB.GetCodeHash(addrCopy), evm.StateDB.GetCode(addrCopy))
+ ret, err = run(evm, contract, input, false)
+ gas = contract.Gas
+ }
if err != nil {
evm.StateDB.RevertToSnapshot(snapshot)
- if err != errExecutionReverted {
- contract.UseGas(contract.Gas)
+ if err != ErrExecutionReverted {
+ gas = 0
}
}
- return ret, contract.Gas, err
+ return ret, gas, err
}
// StaticCall executes the contract associated with the addr with the given input
@@ -417,33 +438,43 @@ func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte
if evm.depth > int(params.CallCreateDepth) {
return nil, gas, ErrDepth
}
-
- var (
- to = AccountRef(addr)
- snapshot = evm.StateDB.Snapshot()
- )
- // Initialise a new contract and set the code that is to be used by the EVM.
- // The contract is a scoped environment for this execution context only.
- contract := NewContract(caller, to, new(big.Int), gas)
- contract.SetCallCode(&addr, evm.StateDB.GetCodeHash(addr), evm.StateDB.GetCode(addr))
+ // We take a snapshot here. This is a bit counter-intuitive, and could probably be skipped.
+ // However, even a staticcall is considered a 'touch'. On mainnet, static calls were introduced
+ // after all empty accounts were deleted, so this is not required. However, if we omit this,
+ // then certain tests start failing; stRevertTest/RevertPrecompiledTouchExactOOG.json.
+ // We could change this, but for now it's left for legacy reasons
+ var snapshot = evm.StateDB.Snapshot()
// We do an AddBalance of zero here, just in order to trigger a touch.
// This doesn't matter on Mainnet, where all empties are gone at the time of Byzantium,
// but is the correct thing to do and matters on other networks, in tests, and potential
// future scenarios
- evm.StateDB.AddBalance(addr, bigZero)
-
- // When an error was returned by the EVM or when setting the creation code
- // above we revert to the snapshot and consume any gas remaining. Additionally
- // when we're in Homestead this also counts for code storage gas errors.
- ret, err = run(evm, contract, input, true)
+ evm.StateDB.AddBalance(addr, big0)
+
+ if p, isPrecompile := evm.precompile(addr); isPrecompile {
+ ret, gas, err = RunPrecompiledContract(p, input, gas)
+ } else {
+ // At this point, we use a copy of address. If we don't, the go compiler will
+ // leak the 'contract' to the outer scope, and make allocation for 'contract'
+ // even if the actual execution ends on RunPrecompiled above.
+ addrCopy := addr
+ // Initialise a new contract and set the code that is to be used by the EVM.
+ // The contract is a scoped environment for this execution context only.
+ contract := NewContract(caller, AccountRef(addrCopy), new(big.Int), gas)
+ contract.SetCallCode(&addrCopy, evm.StateDB.GetCodeHash(addrCopy), evm.StateDB.GetCode(addrCopy))
+ // When an error was returned by the EVM or when setting the creation code
+ // above we revert to the snapshot and consume any gas remaining. Additionally
+ // when we're in Homestead this also counts for code storage gas errors.
+ ret, err = run(evm, contract, input, true)
+ gas = contract.Gas
+ }
if err != nil {
evm.StateDB.RevertToSnapshot(snapshot)
- if err != errExecutionReverted {
- contract.UseGas(contract.Gas)
+ if err != ErrExecutionReverted {
+ gas = 0
}
}
- return ret, contract.Gas, err
+ return ret, gas, err
}
type codeAndHash struct {
@@ -520,13 +551,13 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
// when we're in homestead this also counts for code storage gas errors.
if maxCodeSizeExceeded || (err != nil && (evm.chainRules.IsHomestead || err != ErrCodeStoreOutOfGas)) {
evm.StateDB.RevertToSnapshot(snapshot)
- if err != errExecutionReverted {
+ if err != ErrExecutionReverted {
contract.UseGas(contract.Gas)
}
}
// Assign err if contract code size exceeds the max while the err is still empty.
if maxCodeSizeExceeded && err == nil {
- err = errMaxCodeSizeExceeded
+ err = ErrMaxCodeSizeExceeded
}
if evm.vmConfig.Debug && evm.depth == 0 {
evm.vmConfig.Tracer.CaptureEnd(ret, gas-contract.Gas, time.Since(start), err)
@@ -545,9 +576,9 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *big.I
//
// The different between Create2 with Create is Create2 uses sha3(0xff ++ msg.sender ++ salt ++ sha3(init_code))[12:]
// instead of the usual sender-and-nonce-hash as the address where the contract is initialized at.
-func (evm *EVM) Create2(caller ContractRef, code []byte, gas uint64, endowment *big.Int, salt *big.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
+func (evm *EVM) Create2(caller ContractRef, code []byte, gas uint64, endowment *big.Int, salt *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
codeAndHash := &codeAndHash{code: code}
- contractAddr = crypto.CreateAddress2(caller.Address(), common.BigToHash(salt), codeAndHash.Hash().Bytes())
+ contractAddr = crypto.CreateAddress2(caller.Address(), common.Hash(salt.Bytes32()), codeAndHash.Hash().Bytes())
return evm.create(caller, codeAndHash, gas, endowment, contractAddr)
}
diff --git a/core/vm/gas.go b/core/vm/gas.go
index bd8b4f1..5cf1d85 100644
--- a/core/vm/gas.go
+++ b/core/vm/gas.go
@@ -17,7 +17,7 @@
package vm
import (
- "math/big"
+ "github.com/holiman/uint256"
)
// Gas costs
@@ -30,23 +30,23 @@ const (
GasExtStep uint64 = 20
)
-// calcGas returns the actual gas cost of the call.
+// callGas returns the actual gas cost of the call.
//
// The cost of gas was changed during the homestead price change HF.
// As part of EIP 150 (TangerineWhistle), the returned gas is gas - base * 63 / 64.
-func callGas(isEip150 bool, availableGas, base uint64, callCost *big.Int) (uint64, error) {
+func callGas(isEip150 bool, availableGas, base uint64, callCost *uint256.Int) (uint64, error) {
if isEip150 {
availableGas = availableGas - base
gas := availableGas - availableGas/64
// If the bit length exceeds 64 bit we know that the newly calculated "gas" for EIP150
- // is smaller than the requested amount. Therefor we return the new gas instead
+ // is smaller than the requested amount. Therefore we return the new gas instead
// of returning an error.
if !callCost.IsUint64() || gas < callCost.Uint64() {
return gas, nil
}
}
if !callCost.IsUint64() {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return callCost.Uint64(), nil
diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go
index 2adaf85..0182892 100644
--- a/core/vm/gas_table.go
+++ b/core/vm/gas_table.go
@@ -20,8 +20,8 @@ import (
"errors"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
)
// memoryGasCost calculates the quadratic gas for memory expansion. It does so
@@ -36,7 +36,7 @@ func memoryGasCost(mem *Memory, newMemSize uint64) (uint64, error) {
// overflow. The constant 0x1FFFFFFFE0 is the highest number that can be used
// without overflowing the gas calculation.
if newMemSize > 0x1FFFFFFFE0 {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
newMemSizeWords := toWordSize(newMemSize)
newMemSize = newMemSizeWords * 32
@@ -70,17 +70,17 @@ func memoryCopierGas(stackpos int) gasFunc {
return 0, err
}
// And gas for copying data, charged per word at param.CopyGas
- words, overflow := bigUint64(stack.Back(stackpos))
+ words, overflow := stack.Back(stackpos).Uint64WithOverflow()
if overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if words, overflow = math.SafeMul(toWordSize(words), params.CopyGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, words); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -96,7 +96,7 @@ var (
func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
var (
y, x = stack.Back(1), stack.Back(0)
- current = evm.StateDB.GetState(contract.Address(), common.BigToHash(x))
+ current = evm.StateDB.GetState(contract.Address(), common.Hash(x.Bytes32()))
)
// The legacy gas metering only takes into consideration the current state
// Legacy rules should be applied if we are in Petersburg (removal of EIP-1283)
@@ -131,11 +131,11 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
// 2.2.2. If original value equals new value (this storage slot is reset)
// 2.2.2.1. If original value is 0, add 19800 gas to refund counter.
// 2.2.2.2. Otherwise, add 4800 gas to refund counter.
- value := common.BigToHash(y)
+ value := common.Hash(y.Bytes32())
if current == value { // noop (1)
return params.NetSstoreNoopGas, nil
}
- original := evm.StateDB.GetCommittedState(contract.Address(), common.BigToHash(x))
+ original := evm.StateDB.GetCommittedState(contract.Address(), common.Hash(x.Bytes32()))
if original == current {
if original == (common.Hash{}) { // create slot (2.1.1)
return params.NetSstoreInitGas, nil
@@ -183,14 +183,14 @@ func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, m
// Gas sentry honoured, do the actual gas calculation based on the stored value
var (
y, x = stack.Back(1), stack.Back(0)
- current = evm.StateDB.GetState(contract.Address(), common.BigToHash(x))
+ current = evm.StateDB.GetState(contract.Address(), common.Hash(x.Bytes32()))
)
- value := common.BigToHash(y)
+ value := common.Hash(y.Bytes32())
if current == value { // noop (1)
return params.SstoreNoopGasEIP2200, nil
}
- original := evm.StateDB.GetCommittedState(contract.Address(), common.BigToHash(x))
+ original := evm.StateDB.GetCommittedState(contract.Address(), common.Hash(x.Bytes32()))
if original == current {
if original == (common.Hash{}) { // create slot (2.1.1)
return params.SstoreInitGasEIP2200, nil
@@ -219,9 +219,9 @@ func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, m
func makeGasLog(n uint64) gasFunc {
return func(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
- requestedSize, overflow := bigUint64(stack.Back(1))
+ requestedSize, overflow := stack.Back(1).Uint64WithOverflow()
if overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
gas, err := memoryGasCost(mem, memorySize)
@@ -230,18 +230,18 @@ func makeGasLog(n uint64) gasFunc {
}
if gas, overflow = math.SafeAdd(gas, params.LogGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, n*params.LogTopicGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
var memorySizeGas uint64
if memorySizeGas, overflow = math.SafeMul(requestedSize, params.LogDataGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, memorySizeGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -252,15 +252,15 @@ func gasSha3(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize
if err != nil {
return 0, err
}
- wordGas, overflow := bigUint64(stack.Back(1))
+ wordGas, overflow := stack.Back(1).Uint64WithOverflow()
if overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Sha3WordGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, wordGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -286,15 +286,15 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS
if err != nil {
return 0, err
}
- wordGas, overflow := bigUint64(stack.Back(2))
+ wordGas, overflow := stack.Back(2).Uint64WithOverflow()
if overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if wordGas, overflow = math.SafeMul(toWordSize(wordGas), params.Sha3WordGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
if gas, overflow = math.SafeAdd(gas, wordGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -307,7 +307,7 @@ func gasExpFrontier(evm *EVM, contract *Contract, stack *Stack, mem *Memory, mem
overflow bool
)
if gas, overflow = math.SafeAdd(gas, params.ExpGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -320,7 +320,7 @@ func gasExpEIP158(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memor
overflow bool
)
if gas, overflow = math.SafeAdd(gas, params.ExpGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -328,8 +328,8 @@ func gasExpEIP158(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memor
func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
var (
gas uint64
- transfersValue = stack.Back(2).Sign() != 0
- address = common.BigToAddress(stack.Back(1))
+ transfersValue = !stack.Back(2).IsZero()
+ address = common.Address(stack.Back(1).Bytes20())
)
if evm.chainRules.IsEIP158 {
if transfersValue && evm.StateDB.Empty(address) {
@@ -347,7 +347,7 @@ func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize
}
var overflow bool
if gas, overflow = math.SafeAdd(gas, memoryGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
evm.callGasTemp, err = callGas(evm.chainRules.IsEIP150, contract.Gas, gas, stack.Back(0))
@@ -355,7 +355,7 @@ func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize
return 0, err
}
if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -373,14 +373,14 @@ func gasCallCode(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memory
gas += params.CallValueTransferGas
}
if gas, overflow = math.SafeAdd(gas, memoryGas); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
evm.callGasTemp, err = callGas(evm.chainRules.IsEIP150, contract.Gas, gas, stack.Back(0))
if err != nil {
return 0, err
}
if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -396,7 +396,7 @@ func gasDelegateCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, me
}
var overflow bool
if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -412,7 +412,7 @@ func gasStaticCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memo
}
var overflow bool
if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow {
- return 0, errGasUintOverflow
+ return 0, ErrGasUintOverflow
}
return gas, nil
}
@@ -422,7 +422,7 @@ func gasSelfdestruct(evm *EVM, contract *Contract, stack *Stack, mem *Memory, me
// EIP150 homestead gas reprice fork:
if evm.chainRules.IsEIP150 {
gas = params.SelfdestructGasEIP150
- var address = common.BigToAddress(stack.Back(0))
+ var address = common.Address(stack.Back(0).Bytes20())
if evm.chainRules.IsEIP158 {
// if empty and transfers value
diff --git a/core/vm/gen_structlog.go b/core/vm/gen_structlog.go
index 038841c..ac1a907 100644
--- a/core/vm/gen_structlog.go
+++ b/core/vm/gen_structlog.go
@@ -6,9 +6,9 @@ import (
"encoding/json"
"math/big"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common/math"
)
var _ = (*structLogMarshaling)(nil)
@@ -23,6 +23,8 @@ func (s StructLog) MarshalJSON() ([]byte, error) {
Memory hexutil.Bytes `json:"memory"`
MemorySize int `json:"memSize"`
Stack []*math.HexOrDecimal256 `json:"stack"`
+ ReturnStack []math.HexOrDecimal64 `json:"returnStack"`
+ ReturnData []byte `json:"returnData"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth int `json:"depth"`
RefundCounter uint64 `json:"refund"`
@@ -43,6 +45,13 @@ func (s StructLog) MarshalJSON() ([]byte, error) {
enc.Stack[k] = (*math.HexOrDecimal256)(v)
}
}
+ if s.ReturnStack != nil {
+ enc.ReturnStack = make([]math.HexOrDecimal64, len(s.ReturnStack))
+ for k, v := range s.ReturnStack {
+ enc.ReturnStack[k] = math.HexOrDecimal64(v)
+ }
+ }
+ enc.ReturnData = s.ReturnData
enc.Storage = s.Storage
enc.Depth = s.Depth
enc.RefundCounter = s.RefundCounter
@@ -62,6 +71,8 @@ func (s *StructLog) UnmarshalJSON(input []byte) error {
Memory *hexutil.Bytes `json:"memory"`
MemorySize *int `json:"memSize"`
Stack []*math.HexOrDecimal256 `json:"stack"`
+ ReturnStack []math.HexOrDecimal64 `json:"returnStack"`
+ ReturnData []byte `json:"returnData"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth *int `json:"depth"`
RefundCounter *uint64 `json:"refund"`
@@ -95,6 +106,15 @@ func (s *StructLog) UnmarshalJSON(input []byte) error {
s.Stack[k] = (*big.Int)(v)
}
}
+ if dec.ReturnStack != nil {
+ s.ReturnStack = make([]uint32, len(dec.ReturnStack))
+ for k, v := range dec.ReturnStack {
+ s.ReturnStack[k] = uint32(v)
+ }
+ }
+ if dec.ReturnData != nil {
+ s.ReturnData = dec.ReturnData
+ }
if dec.Storage != nil {
s.Storage = dec.Storage
}
diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index ecdccbd..abfa2aa 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -18,373 +18,223 @@ package vm
import (
"errors"
- "math/big"
-
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/holiman/uint256"
"golang.org/x/crypto/sha3"
)
-var (
- bigZero = new(big.Int)
- tt255 = math.BigPow(2, 255)
- errWriteProtection = errors.New("evm: write protection")
- errReturnDataOutOfBounds = errors.New("evm: return data out of bounds")
- errExecutionReverted = errors.New("evm: execution reverted")
- errMaxCodeSizeExceeded = errors.New("evm: max code size exceeded")
- errInvalidJump = errors.New("evm: invalid jump destination")
-)
-
-func opAdd(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- math.U256(y.Add(x, y))
-
- interpreter.intPool.put(x)
+func opAdd(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Add(&x, y)
return nil, nil
}
-func opSub(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- math.U256(y.Sub(x, y))
-
- interpreter.intPool.put(x)
+func opSub(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Sub(&x, y)
return nil, nil
}
-func opMul(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.pop()
- stack.push(math.U256(x.Mul(x, y)))
-
- interpreter.intPool.put(y)
-
+func opMul(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Mul(&x, y)
return nil, nil
}
-func opDiv(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- if y.Sign() != 0 {
- math.U256(y.Div(x, y))
- } else {
- y.SetUint64(0)
- }
- interpreter.intPool.put(x)
+func opDiv(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Div(&x, y)
return nil, nil
}
-func opSdiv(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := math.S256(stack.pop()), math.S256(stack.pop())
- res := interpreter.intPool.getZero()
-
- if y.Sign() == 0 || x.Sign() == 0 {
- stack.push(res)
- } else {
- if x.Sign() != y.Sign() {
- res.Div(x.Abs(x), y.Abs(y))
- res.Neg(res)
- } else {
- res.Div(x.Abs(x), y.Abs(y))
- }
- stack.push(math.U256(res))
- }
- interpreter.intPool.put(x, y)
+func opSdiv(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.SDiv(&x, y)
return nil, nil
}
-func opMod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.pop()
- if y.Sign() == 0 {
- stack.push(x.SetUint64(0))
- } else {
- stack.push(math.U256(x.Mod(x, y)))
- }
- interpreter.intPool.put(y)
+func opMod(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Mod(&x, y)
return nil, nil
}
-func opSmod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := math.S256(stack.pop()), math.S256(stack.pop())
- res := interpreter.intPool.getZero()
-
- if y.Sign() == 0 {
- stack.push(res)
- } else {
- if x.Sign() < 0 {
- res.Mod(x.Abs(x), y.Abs(y))
- res.Neg(res)
- } else {
- res.Mod(x.Abs(x), y.Abs(y))
- }
- stack.push(math.U256(res))
- }
- interpreter.intPool.put(x, y)
+func opSmod(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.SMod(&x, y)
return nil, nil
}
-func opExp(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- base, exponent := stack.pop(), stack.pop()
- // some shortcuts
- cmpToOne := exponent.Cmp(big1)
- if cmpToOne < 0 { // Exponent is zero
- // x ^ 0 == 1
- stack.push(base.SetUint64(1))
- } else if base.Sign() == 0 {
- // 0 ^ y, if y != 0, == 0
- stack.push(base.SetUint64(0))
- } else if cmpToOne == 0 { // Exponent is one
- // x ^ 1 == x
- stack.push(base)
- } else {
- stack.push(math.Exp(base, exponent))
- interpreter.intPool.put(base)
- }
- interpreter.intPool.put(exponent)
+func opExp(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ base, exponent := callContext.stack.pop(), callContext.stack.peek()
+ exponent.Exp(&base, exponent)
return nil, nil
}
-func opSignExtend(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- back := stack.pop()
- if back.Cmp(big.NewInt(31)) < 0 {
- bit := uint(back.Uint64()*8 + 7)
- num := stack.pop()
- mask := back.Lsh(common.Big1, bit)
- mask.Sub(mask, common.Big1)
- if num.Bit(int(bit)) > 0 {
- num.Or(num, mask.Not(mask))
- } else {
- num.And(num, mask)
- }
-
- stack.push(math.U256(num))
- }
-
- interpreter.intPool.put(back)
+func opSignExtend(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ back, num := callContext.stack.pop(), callContext.stack.peek()
+ num.ExtendSign(num, &back)
return nil, nil
}
-func opNot(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x := stack.peek()
- math.U256(x.Not(x))
+func opNot(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x := callContext.stack.peek()
+ x.Not(x)
return nil, nil
}
-func opLt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- if x.Cmp(y) < 0 {
- y.SetUint64(1)
+func opLt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ if x.Lt(y) {
+ y.SetOne()
} else {
- y.SetUint64(0)
+ y.Clear()
}
- interpreter.intPool.put(x)
return nil, nil
}
-func opGt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- if x.Cmp(y) > 0 {
- y.SetUint64(1)
+func opGt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ if x.Gt(y) {
+ y.SetOne()
} else {
- y.SetUint64(0)
+ y.Clear()
}
- interpreter.intPool.put(x)
return nil, nil
}
-func opSlt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
-
- xSign := x.Cmp(tt255)
- ySign := y.Cmp(tt255)
-
- switch {
- case xSign >= 0 && ySign < 0:
- y.SetUint64(1)
-
- case xSign < 0 && ySign >= 0:
- y.SetUint64(0)
-
- default:
- if x.Cmp(y) < 0 {
- y.SetUint64(1)
- } else {
- y.SetUint64(0)
- }
+func opSlt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ if x.Slt(y) {
+ y.SetOne()
+ } else {
+ y.Clear()
}
- interpreter.intPool.put(x)
return nil, nil
}
-func opSgt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
-
- xSign := x.Cmp(tt255)
- ySign := y.Cmp(tt255)
-
- switch {
- case xSign >= 0 && ySign < 0:
- y.SetUint64(0)
-
- case xSign < 0 && ySign >= 0:
- y.SetUint64(1)
-
- default:
- if x.Cmp(y) > 0 {
- y.SetUint64(1)
- } else {
- y.SetUint64(0)
- }
+func opSgt(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ if x.Sgt(y) {
+ y.SetOne()
+ } else {
+ y.Clear()
}
- interpreter.intPool.put(x)
return nil, nil
}
-func opEq(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- if x.Cmp(y) == 0 {
- y.SetUint64(1)
+func opEq(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ if x.Eq(y) {
+ y.SetOne()
} else {
- y.SetUint64(0)
+ y.Clear()
}
- interpreter.intPool.put(x)
return nil, nil
}
-func opIszero(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x := stack.peek()
- if x.Sign() > 0 {
- x.SetUint64(0)
+func opIszero(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x := callContext.stack.peek()
+ if x.IsZero() {
+ x.SetOne()
} else {
- x.SetUint64(1)
+ x.Clear()
}
return nil, nil
}
-func opAnd(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.pop()
- stack.push(x.And(x, y))
-
- interpreter.intPool.put(y)
+func opAnd(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.And(&x, y)
return nil, nil
}
-func opOr(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- y.Or(x, y)
-
- interpreter.intPool.put(x)
+func opOr(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Or(&x, y)
return nil, nil
}
-func opXor(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y := stack.pop(), stack.peek()
- y.Xor(x, y)
-
- interpreter.intPool.put(x)
+func opXor(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y := callContext.stack.pop(), callContext.stack.peek()
+ y.Xor(&x, y)
return nil, nil
}
-func opByte(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- th, val := stack.pop(), stack.peek()
- if th.Cmp(common.Big32) < 0 {
- b := math.Byte(val, 32, int(th.Int64()))
- val.SetUint64(uint64(b))
- } else {
- val.SetUint64(0)
- }
- interpreter.intPool.put(th)
+func opByte(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ th, val := callContext.stack.pop(), callContext.stack.peek()
+ val.Byte(&th)
return nil, nil
}
-func opAddmod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y, z := stack.pop(), stack.pop(), stack.pop()
- if z.Cmp(bigZero) > 0 {
- x.Add(x, y)
- x.Mod(x, z)
- stack.push(math.U256(x))
+func opAddmod(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y, z := callContext.stack.pop(), callContext.stack.pop(), callContext.stack.peek()
+ if z.IsZero() {
+ z.Clear()
} else {
- stack.push(x.SetUint64(0))
+ z.AddMod(&x, &y, z)
}
- interpreter.intPool.put(y, z)
return nil, nil
}
-func opMulmod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- x, y, z := stack.pop(), stack.pop(), stack.pop()
- if z.Cmp(bigZero) > 0 {
- x.Mul(x, y)
- x.Mod(x, z)
- stack.push(math.U256(x))
- } else {
- stack.push(x.SetUint64(0))
- }
- interpreter.intPool.put(y, z)
+func opMulmod(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x, y, z := callContext.stack.pop(), callContext.stack.pop(), callContext.stack.peek()
+ z.MulMod(&x, &y, z)
return nil, nil
}
// opSHL implements Shift Left
// The SHL instruction (shift left) pops 2 values from the stack, first arg1 and then arg2,
// and pushes on the stack arg2 shifted to the left by arg1 number of bits.
-func opSHL(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opSHL(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
// Note, second operand is left in the stack; accumulate result into it, and no need to push it afterwards
- shift, value := math.U256(stack.pop()), math.U256(stack.peek())
- defer interpreter.intPool.put(shift) // First operand back into the pool
-
- if shift.Cmp(common.Big256) >= 0 {
- value.SetUint64(0)
- return nil, nil
+ shift, value := callContext.stack.pop(), callContext.stack.peek()
+ if shift.LtUint64(256) {
+ value.Lsh(value, uint(shift.Uint64()))
+ } else {
+ value.Clear()
}
- n := uint(shift.Uint64())
- math.U256(value.Lsh(value, n))
-
return nil, nil
}
// opSHR implements Logical Shift Right
// The SHR instruction (logical shift right) pops 2 values from the stack, first arg1 and then arg2,
// and pushes on the stack arg2 shifted to the right by arg1 number of bits with zero fill.
-func opSHR(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opSHR(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
// Note, second operand is left in the stack; accumulate result into it, and no need to push it afterwards
- shift, value := math.U256(stack.pop()), math.U256(stack.peek())
- defer interpreter.intPool.put(shift) // First operand back into the pool
-
- if shift.Cmp(common.Big256) >= 0 {
- value.SetUint64(0)
- return nil, nil
+ shift, value := callContext.stack.pop(), callContext.stack.peek()
+ if shift.LtUint64(256) {
+ value.Rsh(value, uint(shift.Uint64()))
+ } else {
+ value.Clear()
}
- n := uint(shift.Uint64())
- math.U256(value.Rsh(value, n))
-
return nil, nil
}
// opSAR implements Arithmetic Shift Right
// The SAR instruction (arithmetic shift right) pops 2 values from the stack, first arg1 and then arg2,
// and pushes on the stack arg2 shifted to the right by arg1 number of bits with sign extension.
-func opSAR(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- // Note, S256 returns (potentially) a new bigint, so we're popping, not peeking this one
- shift, value := math.U256(stack.pop()), math.S256(stack.pop())
- defer interpreter.intPool.put(shift) // First operand back into the pool
-
- if shift.Cmp(common.Big256) >= 0 {
+func opSAR(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ shift, value := callContext.stack.pop(), callContext.stack.peek()
+ if shift.GtUint64(256) {
if value.Sign() >= 0 {
- value.SetUint64(0)
+ value.Clear()
} else {
- value.SetInt64(-1)
+ // Max negative shift: all bits set
+ value.SetAllOne()
}
- stack.push(math.U256(value))
return nil, nil
}
n := uint(shift.Uint64())
- value.Rsh(value, n)
- stack.push(math.U256(value))
-
+ value.SRsh(value, n)
return nil, nil
}
-func opSha3(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- offset, size := stack.pop(), stack.pop()
- data := memory.Get(offset.Int64(), size.Int64())
+func opSha3(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ offset, size := callContext.stack.pop(), callContext.stack.peek()
+ data := callContext.memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
if interpreter.hasher == nil {
interpreter.hasher = sha3.NewLegacyKeccak256().(keccakState)
@@ -398,127 +248,154 @@ func opSha3(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory
if evm.vmConfig.EnablePreimageRecording {
evm.StateDB.AddPreimage(interpreter.hasherBuf, data)
}
- stack.push(interpreter.intPool.get().SetBytes(interpreter.hasherBuf[:]))
- interpreter.intPool.put(offset, size)
+ size.SetBytes(interpreter.hasherBuf[:])
return nil, nil
}
-
-func opAddress(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetBytes(contract.Address().Bytes()))
+func opAddress(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetBytes(callContext.contract.Address().Bytes()))
return nil, nil
}
-func opBalance(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- slot := stack.peek()
- slot.Set(interpreter.evm.StateDB.GetBalance(common.BigToAddress(slot)))
+func opBalance(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ slot := callContext.stack.peek()
+ address := common.Address(slot.Bytes20())
+ slot.SetFromBig(interpreter.evm.StateDB.GetBalance(address))
return nil, nil
}
-func opBalanceMultiCoin(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- addr, cid := stack.pop(), stack.pop()
- stack.push(interpreter.evm.StateDB.GetBalanceMultiCoin(common.BigToAddress(addr), common.BigToHash(cid)))
+func opBalanceMultiCoin(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ addr, cid := callContext.stack.pop(), callContext.stack.pop()
+ res, err := uint256.FromBig(interpreter.evm.StateDB.GetBalanceMultiCoin(
+ common.BigToAddress(addr.ToBig()), common.BigToHash(cid.ToBig())))
+ if err {
+ return nil, errors.New("balance overflow")
+ }
+ callContext.stack.push(res)
return nil, nil
}
-func opOrigin(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetBytes(interpreter.evm.Origin.Bytes()))
+func opOrigin(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetBytes(interpreter.evm.Origin.Bytes()))
return nil, nil
}
-
-func opCaller(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetBytes(contract.Caller().Bytes()))
+func opCaller(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetBytes(callContext.contract.Caller().Bytes()))
return nil, nil
}
-func opCallValue(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().Set(contract.value))
+func opCallValue(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ v, _ := uint256.FromBig(callContext.contract.value)
+ callContext.stack.push(v)
return nil, nil
}
-func opCallDataLoad(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetBytes(getDataBig(contract.Input, stack.pop(), big32)))
+func opCallDataLoad(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ x := callContext.stack.peek()
+ if offset, overflow := x.Uint64WithOverflow(); !overflow {
+ data := getData(callContext.contract.Input, offset, 32)
+ x.SetBytes(data)
+ } else {
+ x.Clear()
+ }
return nil, nil
}
-func opCallDataSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetInt64(int64(len(contract.Input))))
+func opCallDataSize(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetUint64(uint64(len(callContext.contract.Input))))
return nil, nil
}
-func opCallDataCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCallDataCopy(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- memOffset = stack.pop()
- dataOffset = stack.pop()
- length = stack.pop()
+ memOffset = callContext.stack.pop()
+ dataOffset = callContext.stack.pop()
+ length = callContext.stack.pop()
)
- memory.Set(memOffset.Uint64(), length.Uint64(), getDataBig(contract.Input, dataOffset, length))
+ dataOffset64, overflow := dataOffset.Uint64WithOverflow()
+ if overflow {
+ dataOffset64 = 0xffffffffffffffff
+ }
+ // These values are checked for overflow during gas cost calculation
+ memOffset64 := memOffset.Uint64()
+ length64 := length.Uint64()
+ callContext.memory.Set(memOffset64, length64, getData(callContext.contract.Input, dataOffset64, length64))
- interpreter.intPool.put(memOffset, dataOffset, length)
return nil, nil
}
-func opReturnDataSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetUint64(uint64(len(interpreter.returnData))))
+func opReturnDataSize(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetUint64(uint64(len(interpreter.returnData))))
return nil, nil
}
-func opReturnDataCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opReturnDataCopy(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- memOffset = stack.pop()
- dataOffset = stack.pop()
- length = stack.pop()
-
- end = interpreter.intPool.get().Add(dataOffset, length)
+ memOffset = callContext.stack.pop()
+ dataOffset = callContext.stack.pop()
+ length = callContext.stack.pop()
)
- defer interpreter.intPool.put(memOffset, dataOffset, length, end)
- if !end.IsUint64() || uint64(len(interpreter.returnData)) < end.Uint64() {
- return nil, errReturnDataOutOfBounds
+ offset64, overflow := dataOffset.Uint64WithOverflow()
+ if overflow {
+ return nil, ErrReturnDataOutOfBounds
}
- memory.Set(memOffset.Uint64(), length.Uint64(), interpreter.returnData[dataOffset.Uint64():end.Uint64()])
-
+ // we can reuse dataOffset now (aliasing it for clarity)
+ var end = dataOffset
+ end.Add(&dataOffset, &length)
+ end64, overflow := end.Uint64WithOverflow()
+ if overflow || uint64(len(interpreter.returnData)) < end64 {
+ return nil, ErrReturnDataOutOfBounds
+ }
+ callContext.memory.Set(memOffset.Uint64(), length.Uint64(), interpreter.returnData[offset64:end64])
return nil, nil
}
-func opExtCodeSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- slot := stack.peek()
- slot.SetUint64(uint64(interpreter.evm.StateDB.GetCodeSize(common.BigToAddress(slot))))
-
+func opExtCodeSize(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ slot := callContext.stack.peek()
+ slot.SetUint64(uint64(interpreter.evm.StateDB.GetCodeSize(common.Address(slot.Bytes20()))))
return nil, nil
}
-func opCodeSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- l := interpreter.intPool.get().SetInt64(int64(len(contract.Code)))
- stack.push(l)
-
+func opCodeSize(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ l := new(uint256.Int)
+ l.SetUint64(uint64(len(callContext.contract.Code)))
+ callContext.stack.push(l)
return nil, nil
}
-func opCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCodeCopy(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- memOffset = stack.pop()
- codeOffset = stack.pop()
- length = stack.pop()
+ memOffset = callContext.stack.pop()
+ codeOffset = callContext.stack.pop()
+ length = callContext.stack.pop()
)
- codeCopy := getDataBig(contract.Code, codeOffset, length)
- memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
+ uint64CodeOffset, overflow := codeOffset.Uint64WithOverflow()
+ if overflow {
+ uint64CodeOffset = 0xffffffffffffffff
+ }
+ codeCopy := getData(callContext.contract.Code, uint64CodeOffset, length.Uint64())
+ callContext.memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
- interpreter.intPool.put(memOffset, codeOffset, length)
return nil, nil
}
-func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- addr = common.BigToAddress(stack.pop())
+ stack = callContext.stack
+ a = stack.pop()
memOffset = stack.pop()
codeOffset = stack.pop()
length = stack.pop()
)
- codeCopy := getDataBig(interpreter.evm.StateDB.GetCode(addr), codeOffset, length)
- memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
+ uint64CodeOffset, overflow := codeOffset.Uint64WithOverflow()
+ if overflow {
+ uint64CodeOffset = 0xffffffffffffffff
+ }
+ addr := common.Address(a.Bytes20())
+ codeCopy := getData(interpreter.evm.StateDB.GetCode(addr), uint64CodeOffset, length.Uint64())
+ callContext.memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
- interpreter.intPool.put(memOffset, codeOffset, length)
return nil, nil
}
@@ -548,398 +425,482 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract,
//
// (6) Caller tries to get the code hash for an account which is marked as deleted,
// this account should be regarded as a non-existent account and zero should be returned.
-func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- slot := stack.peek()
- address := common.BigToAddress(slot)
+func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ slot := callContext.stack.peek()
+ address := common.Address(slot.Bytes20())
if interpreter.evm.StateDB.Empty(address) {
- slot.SetUint64(0)
+ slot.Clear()
} else {
slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(address).Bytes())
}
return nil, nil
}
-func opGasprice(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().Set(interpreter.evm.GasPrice))
+func opGasprice(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ v, _ := uint256.FromBig(interpreter.evm.GasPrice)
+ callContext.stack.push(v)
return nil, nil
}
-func opBlockhash(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- num := stack.pop()
-
- n := interpreter.intPool.get().Sub(interpreter.evm.BlockNumber, common.Big257)
- if num.Cmp(n) > 0 && num.Cmp(interpreter.evm.BlockNumber) < 0 {
- stack.push(interpreter.evm.GetHash(num.Uint64()).Big())
+func opBlockhash(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ num := callContext.stack.peek()
+ num64, overflow := num.Uint64WithOverflow()
+ if overflow {
+ num.Clear()
+ return nil, nil
+ }
+ var upper, lower uint64
+ upper = interpreter.evm.BlockNumber.Uint64()
+ if upper < 257 {
+ lower = 0
} else {
- stack.push(interpreter.intPool.getZero())
+ lower = upper - 256
+ }
+ if num64 >= lower && num64 < upper {
+ num.SetBytes(interpreter.evm.GetHash(num64).Bytes())
+ } else {
+ num.Clear()
}
- interpreter.intPool.put(num, n)
return nil, nil
}
-func opCoinbase(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetBytes(interpreter.evm.Coinbase.Bytes()))
+func opCoinbase(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetBytes(interpreter.evm.Coinbase.Bytes()))
return nil, nil
}
-func opTimestamp(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(math.U256(interpreter.intPool.get().Set(interpreter.evm.Time)))
+func opTimestamp(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ v, _ := uint256.FromBig(interpreter.evm.Time)
+ callContext.stack.push(v)
return nil, nil
}
-func opNumber(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(math.U256(interpreter.intPool.get().Set(interpreter.evm.BlockNumber)))
+func opNumber(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ v, _ := uint256.FromBig(interpreter.evm.BlockNumber)
+ callContext.stack.push(v)
return nil, nil
}
-func opDifficulty(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(math.U256(interpreter.intPool.get().Set(interpreter.evm.Difficulty)))
+func opDifficulty(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ v, _ := uint256.FromBig(interpreter.evm.Difficulty)
+ callContext.stack.push(v)
return nil, nil
}
-func opGasLimit(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(math.U256(interpreter.intPool.get().SetUint64(interpreter.evm.GasLimit)))
+func opGasLimit(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetUint64(interpreter.evm.GasLimit))
return nil, nil
}
-func opPop(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- interpreter.intPool.put(stack.pop())
+func opPop(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.pop()
return nil, nil
}
-func opMload(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- offset := stack.pop()
- val := interpreter.intPool.get().SetBytes(memory.Get(offset.Int64(), 32))
- stack.push(val)
-
- interpreter.intPool.put(offset)
+func opMload(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ v := callContext.stack.peek()
+ offset := int64(v.Uint64())
+ v.SetBytes(callContext.memory.GetPtr(offset, 32))
return nil, nil
}
-func opMstore(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opMstore(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
// pop value of the stack
- mStart, val := stack.pop(), stack.pop()
- memory.Set32(mStart.Uint64(), val)
-
- interpreter.intPool.put(mStart, val)
+ mStart, val := callContext.stack.pop(), callContext.stack.pop()
+ callContext.memory.Set32(mStart.Uint64(), &val)
return nil, nil
}
-func opMstore8(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- off, val := stack.pop().Int64(), stack.pop().Int64()
- memory.store[off] = byte(val & 0xff)
-
+func opMstore8(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ off, val := callContext.stack.pop(), callContext.stack.pop()
+ callContext.memory.store[off.Uint64()] = byte(val.Uint64())
return nil, nil
}
-func opSload(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- loc := stack.peek()
- val := interpreter.evm.StateDB.GetState(contract.Address(), common.BigToHash(loc))
+func opSload(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ loc := callContext.stack.peek()
+ hash := common.Hash(loc.Bytes32())
+ val := interpreter.evm.StateDB.GetState(callContext.contract.Address(), hash)
loc.SetBytes(val.Bytes())
return nil, nil
}
-func opSstore(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- loc := common.BigToHash(stack.pop())
- val := stack.pop()
- if err := interpreter.evm.StateDB.SetState(contract.Address(), loc, common.BigToHash(val)); err != nil {
+func opSstore(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ loc := callContext.stack.pop()
+ val := callContext.stack.pop()
+ if err := interpreter.evm.StateDB.SetState(callContext.contract.Address(),
+ common.Hash(loc.Bytes32()), common.Hash(val.Bytes32())); err != nil {
return nil, err
}
- interpreter.intPool.put(val)
return nil, nil
}
-func opJump(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- pos := stack.pop()
- if !contract.validJumpdest(pos) {
- return nil, errInvalidJump
+func opJump(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ pos := callContext.stack.pop()
+ if !callContext.contract.validJumpdest(&pos) {
+ return nil, ErrInvalidJump
}
*pc = pos.Uint64()
-
- interpreter.intPool.put(pos)
return nil, nil
}
-func opJumpi(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- pos, cond := stack.pop(), stack.pop()
- if cond.Sign() != 0 {
- if !contract.validJumpdest(pos) {
- return nil, errInvalidJump
+func opJumpi(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ pos, cond := callContext.stack.pop(), callContext.stack.pop()
+ if !cond.IsZero() {
+ if !callContext.contract.validJumpdest(&pos) {
+ return nil, ErrInvalidJump
}
*pc = pos.Uint64()
} else {
*pc++
}
+ return nil, nil
+}
+
+func opJumpdest(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ return nil, nil
+}
- interpreter.intPool.put(pos, cond)
+func opBeginSub(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ return nil, ErrInvalidSubroutineEntry
+}
+
+func opJumpSub(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ if len(callContext.rstack.data) >= 1023 {
+ return nil, ErrReturnStackExceeded
+ }
+ pos := callContext.stack.pop()
+ if !pos.IsUint64() {
+ return nil, ErrInvalidJump
+ }
+ posU64 := pos.Uint64()
+ if !callContext.contract.validJumpSubdest(posU64) {
+ return nil, ErrInvalidJump
+ }
+ callContext.rstack.push(uint32(*pc))
+ *pc = posU64 + 1
return nil, nil
}
-func opJumpdest(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opReturnSub(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ if len(callContext.rstack.data) == 0 {
+ return nil, ErrInvalidRetsub
+ }
+ // Other than the check that the return stack is not empty, there is no
+ // need to validate the pc from 'returns', since we only ever push valid
+ //values onto it via jumpsub.
+ *pc = uint64(callContext.rstack.pop()) + 1
return nil, nil
}
-func opPc(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetUint64(*pc))
+func opPc(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetUint64(*pc))
return nil, nil
}
-func opMsize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetInt64(int64(memory.Len())))
+func opMsize(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetUint64(uint64(callContext.memory.Len())))
return nil, nil
}
-func opGas(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.push(interpreter.intPool.get().SetUint64(contract.Gas))
+func opGas(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.push(new(uint256.Int).SetUint64(callContext.contract.Gas))
return nil, nil
}
-func opCreate(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCreate(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- value = stack.pop()
- offset, size = stack.pop(), stack.pop()
- input = memory.Get(offset.Int64(), size.Int64())
- gas = contract.Gas
+ value = callContext.stack.pop()
+ offset, size = callContext.stack.pop(), callContext.stack.pop()
+ input = callContext.memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
+ gas = callContext.contract.Gas
)
if interpreter.evm.chainRules.IsEIP150 {
gas -= gas / 64
}
+ // reuse size int for stackvalue
+ stackvalue := size
- contract.UseGas(gas)
- res, addr, returnGas, suberr := interpreter.evm.Create(contract, input, gas, value)
+ callContext.contract.UseGas(gas)
+ //TODO: use uint256.Int instead of converting with toBig()
+ var bigVal = big0
+ if !value.IsZero() {
+ bigVal = value.ToBig()
+ }
+
+ res, addr, returnGas, suberr := interpreter.evm.Create(callContext.contract, input, gas, bigVal)
// Push item on the stack based on the returned error. If the ruleset is
// homestead we must check for CodeStoreOutOfGasError (homestead only
// rule) and treat as an error, if the ruleset is frontier we must
// ignore this error and pretend the operation was successful.
if interpreter.evm.chainRules.IsHomestead && suberr == ErrCodeStoreOutOfGas {
- stack.push(interpreter.intPool.getZero())
+ stackvalue.Clear()
} else if suberr != nil && suberr != ErrCodeStoreOutOfGas {
- stack.push(interpreter.intPool.getZero())
+ stackvalue.Clear()
} else {
- stack.push(interpreter.intPool.get().SetBytes(addr.Bytes()))
+ stackvalue.SetBytes(addr.Bytes())
}
- contract.Gas += returnGas
- interpreter.intPool.put(value, offset, size)
+ callContext.stack.push(&stackvalue)
+ callContext.contract.Gas += returnGas
- if suberr == errExecutionReverted {
+ if suberr == ErrExecutionReverted {
return res, nil
}
return nil, nil
}
-func opCreate2(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCreate2(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- endowment = stack.pop()
- offset, size = stack.pop(), stack.pop()
- salt = stack.pop()
- input = memory.Get(offset.Int64(), size.Int64())
- gas = contract.Gas
+ endowment = callContext.stack.pop()
+ offset, size = callContext.stack.pop(), callContext.stack.pop()
+ salt = callContext.stack.pop()
+ input = callContext.memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64()))
+ gas = callContext.contract.Gas
)
// Apply EIP150
gas -= gas / 64
- contract.UseGas(gas)
- res, addr, returnGas, suberr := interpreter.evm.Create2(contract, input, gas, endowment, salt)
+ callContext.contract.UseGas(gas)
+ // reuse size int for stackvalue
+ stackvalue := size
+ //TODO: use uint256.Int instead of converting with toBig()
+ bigEndowment := big0
+ if !endowment.IsZero() {
+ bigEndowment = endowment.ToBig()
+ }
+ res, addr, returnGas, suberr := interpreter.evm.Create2(callContext.contract, input, gas,
+ bigEndowment, &salt)
// Push item on the stack based on the returned error.
if suberr != nil {
- stack.push(interpreter.intPool.getZero())
+ stackvalue.Clear()
} else {
- stack.push(interpreter.intPool.get().SetBytes(addr.Bytes()))
+ stackvalue.SetBytes(addr.Bytes())
}
- contract.Gas += returnGas
- interpreter.intPool.put(endowment, offset, size, salt)
+ callContext.stack.push(&stackvalue)
+ callContext.contract.Gas += returnGas
- if suberr == errExecutionReverted {
+ if suberr == ErrExecutionReverted {
return res, nil
}
return nil, nil
}
-func opCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ stack := callContext.stack
// Pop gas. The actual gas in interpreter.evm.callGasTemp.
- interpreter.intPool.put(stack.pop())
+ // We can use this as a temporary value
+ temp := stack.pop()
gas := interpreter.evm.callGasTemp
// Pop other call parameters.
addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
- toAddr := common.BigToAddress(addr)
- value = math.U256(value)
+ toAddr := common.Address(addr.Bytes20())
// Get the arguments from the memory.
- args := memory.Get(inOffset.Int64(), inSize.Int64())
+ args := callContext.memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
- if value.Sign() != 0 {
+ var bigVal = big0
+ //TODO: use uint256.Int instead of converting with toBig()
+ // By using big0 here, we save an alloc for the most common case (non-ether-transferring contract calls),
+ // but it would make more sense to extend the usage of uint256.Int
+ if !value.IsZero() {
gas += params.CallStipend
+ bigVal = value.ToBig()
}
- ret, returnGas, err := interpreter.evm.Call(contract, toAddr, args, gas, value)
+
+ ret, returnGas, err := interpreter.evm.Call(callContext.contract, toAddr, args, gas, bigVal)
+
if err != nil {
- stack.push(interpreter.intPool.getZero())
+ temp.Clear()
} else {
- stack.push(interpreter.intPool.get().SetUint64(1))
+ temp.SetOne()
}
- if err == nil || err == errExecutionReverted {
- memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
+ stack.push(&temp)
+ if err == nil || err == ErrExecutionReverted {
+ callContext.memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
- contract.Gas += returnGas
+ callContext.contract.Gas += returnGas
- interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
return ret, nil
}
-func opCallExpert(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCallExpert(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ stack := callContext.stack
// Pop gas. The actual gas in interpreter.evm.callGasTemp.
- interpreter.intPool.put(stack.pop())
+ // We can use this as a temporary value
+ temp := stack.pop()
gas := interpreter.evm.callGasTemp
// Pop other call parameters.
addr, value, cid, value2, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
- toAddr := common.BigToAddress(addr)
- coinID := common.BigToHash(cid)
- value = math.U256(value)
- value2 = math.U256(value2)
+ toAddr := common.Address(addr.Bytes20())
+ coinID := common.BigToHash(cid.ToBig())
// Get the arguments from the memory.
- args := memory.Get(inOffset.Int64(), inSize.Int64())
+ args := callContext.memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
- if value.Sign() != 0 {
+ var bigVal = big0
+ //TODO: use uint256.Int instead of converting with toBig()
+ // By using big0 here, we save an alloc for the most common case (non-ether-transferring contract calls),
+ // but it would make more sense to extend the usage of uint256.Int
+ if !value.IsZero() {
gas += params.CallStipend
+ bigVal = value.ToBig()
}
- ret, returnGas, err := interpreter.evm.CallExpert(contract, toAddr, args, gas, value, &coinID, value2)
+
+ var bigVal2 = big0
+ //TODO: use uint256.Int instead of converting with toBig()
+ // By using big0 here, we save an alloc for the most common case (non-ether-transferring contract calls),
+ // but it would make more sense to extend the usage of uint256.Int
+ if !value2.IsZero() {
+ bigVal2 = value2.ToBig()
+ }
+
+ ret, returnGas, err := interpreter.evm.CallExpert(callContext.contract, toAddr, args, gas, bigVal, &coinID, bigVal2)
+
if err != nil {
- stack.push(interpreter.intPool.getZero())
+ temp.Clear()
} else {
- stack.push(interpreter.intPool.get().SetUint64(1))
+ temp.SetOne()
}
- if err == nil || err == errExecutionReverted {
- memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
+ stack.push(&temp)
+ if err == nil || err == ErrExecutionReverted {
+ callContext.memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
- contract.Gas += returnGas
+ callContext.contract.Gas += returnGas
- interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
return ret, nil
}
-
-func opCallCode(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opCallCode(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
- interpreter.intPool.put(stack.pop())
+ stack := callContext.stack
+ // We use it as a temporary value
+ temp := stack.pop()
gas := interpreter.evm.callGasTemp
// Pop other call parameters.
addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
- toAddr := common.BigToAddress(addr)
- value = math.U256(value)
+ toAddr := common.Address(addr.Bytes20())
// Get arguments from the memory.
- args := memory.Get(inOffset.Int64(), inSize.Int64())
+ args := callContext.memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
- if value.Sign() != 0 {
+ //TODO: use uint256.Int instead of converting with toBig()
+ var bigVal = big0
+ if !value.IsZero() {
gas += params.CallStipend
+ bigVal = value.ToBig()
}
- ret, returnGas, err := interpreter.evm.CallCode(contract, toAddr, args, gas, value)
+
+ ret, returnGas, err := interpreter.evm.CallCode(callContext.contract, toAddr, args, gas, bigVal)
if err != nil {
- stack.push(interpreter.intPool.getZero())
+ temp.Clear()
} else {
- stack.push(interpreter.intPool.get().SetUint64(1))
+ temp.SetOne()
}
- if err == nil || err == errExecutionReverted {
- memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
+ stack.push(&temp)
+ if err == nil || err == ErrExecutionReverted {
+ callContext.memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
- contract.Gas += returnGas
+ callContext.contract.Gas += returnGas
- interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
return ret, nil
}
-func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ stack := callContext.stack
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
- interpreter.intPool.put(stack.pop())
+ // We use it as a temporary value
+ temp := stack.pop()
gas := interpreter.evm.callGasTemp
// Pop other call parameters.
addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
- toAddr := common.BigToAddress(addr)
+ toAddr := common.Address(addr.Bytes20())
// Get arguments from the memory.
- args := memory.Get(inOffset.Int64(), inSize.Int64())
+ args := callContext.memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
- ret, returnGas, err := interpreter.evm.DelegateCall(contract, toAddr, args, gas)
+ ret, returnGas, err := interpreter.evm.DelegateCall(callContext.contract, toAddr, args, gas)
if err != nil {
- stack.push(interpreter.intPool.getZero())
+ temp.Clear()
} else {
- stack.push(interpreter.intPool.get().SetUint64(1))
+ temp.SetOne()
}
- if err == nil || err == errExecutionReverted {
- memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
+ stack.push(&temp)
+ if err == nil || err == ErrExecutionReverted {
+ callContext.memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
- contract.Gas += returnGas
+ callContext.contract.Gas += returnGas
- interpreter.intPool.put(addr, inOffset, inSize, retOffset, retSize)
return ret, nil
}
-func opStaticCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opStaticCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
- interpreter.intPool.put(stack.pop())
+ stack := callContext.stack
+ // We use it as a temporary value
+ temp := stack.pop()
gas := interpreter.evm.callGasTemp
// Pop other call parameters.
addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
- toAddr := common.BigToAddress(addr)
+ toAddr := common.Address(addr.Bytes20())
// Get arguments from the memory.
- args := memory.Get(inOffset.Int64(), inSize.Int64())
+ args := callContext.memory.GetPtr(int64(inOffset.Uint64()), int64(inSize.Uint64()))
- ret, returnGas, err := interpreter.evm.StaticCall(contract, toAddr, args, gas)
+ ret, returnGas, err := interpreter.evm.StaticCall(callContext.contract, toAddr, args, gas)
if err != nil {
- stack.push(interpreter.intPool.getZero())
+ temp.Clear()
} else {
- stack.push(interpreter.intPool.get().SetUint64(1))
+ temp.SetOne()
}
- if err == nil || err == errExecutionReverted {
- memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
+ stack.push(&temp)
+ if err == nil || err == ErrExecutionReverted {
+ callContext.memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
- contract.Gas += returnGas
+ callContext.contract.Gas += returnGas
- interpreter.intPool.put(addr, inOffset, inSize, retOffset, retSize)
return ret, nil
}
-func opReturn(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- offset, size := stack.pop(), stack.pop()
- ret := memory.GetPtr(offset.Int64(), size.Int64())
+func opReturn(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ offset, size := callContext.stack.pop(), callContext.stack.pop()
+ ret := callContext.memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
- interpreter.intPool.put(offset, size)
return ret, nil
}
-func opRevert(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- offset, size := stack.pop(), stack.pop()
- ret := memory.GetPtr(offset.Int64(), size.Int64())
+func opRevert(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ offset, size := callContext.stack.pop(), callContext.stack.pop()
+ ret := callContext.memory.GetPtr(int64(offset.Uint64()), int64(size.Uint64()))
- interpreter.intPool.put(offset, size)
return ret, nil
}
-func opStop(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opStop(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
return nil, nil
}
-func opSuicide(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- balance := interpreter.evm.StateDB.GetBalance(contract.Address())
- interpreter.evm.StateDB.AddBalance(common.BigToAddress(stack.pop()), balance)
-
- interpreter.evm.StateDB.Suicide(contract.Address())
+func opSuicide(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ beneficiary := callContext.stack.pop()
+ balance := interpreter.evm.StateDB.GetBalance(callContext.contract.Address())
+ interpreter.evm.StateDB.AddBalance(common.Address(beneficiary.Bytes20()), balance)
+ interpreter.evm.StateDB.Suicide(callContext.contract.Address())
return nil, nil
}
-func opEMC(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- return nil, interpreter.evm.StateDB.EnableMultiCoin(contract.Address())
+func opEMC(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ return nil, interpreter.evm.StateDB.EnableMultiCoin(callContext.contract.Address())
}
// following functions are used by the instruction jump table
// make log instruction function
func makeLog(size int) executionFunc {
- return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+ return func(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
topics := make([]common.Hash, size)
+ stack := callContext.stack
mStart, mSize := stack.pop(), stack.pop()
for i := 0; i < size; i++ {
- topics[i] = common.BigToHash(stack.pop())
+ addr := stack.pop()
+ topics[i] = common.Hash(addr.Bytes32())
}
- d := memory.Get(mStart.Int64(), mSize.Int64())
+ d := callContext.memory.GetCopy(int64(mStart.Uint64()), int64(mSize.Uint64()))
interpreter.evm.StateDB.AddLog(&types.Log{
- Address: contract.Address(),
+ Address: callContext.contract.Address(),
Topics: topics,
Data: d,
// This is a non-consensus field, but assigned here because
@@ -947,30 +908,29 @@ func makeLog(size int) executionFunc {
BlockNumber: interpreter.evm.BlockNumber.Uint64(),
})
- interpreter.intPool.put(mStart, mSize)
return nil, nil
}
}
// opPush1 is a specialized version of pushN
-func opPush1(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
+func opPush1(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
var (
- codeLen = uint64(len(contract.Code))
- integer = interpreter.intPool.get()
+ codeLen = uint64(len(callContext.contract.Code))
+ integer = new(uint256.Int)
)
*pc += 1
if *pc < codeLen {
- stack.push(integer.SetUint64(uint64(contract.Code[*pc])))
+ callContext.stack.push(integer.SetUint64(uint64(callContext.contract.Code[*pc])))
} else {
- stack.push(integer.SetUint64(0))
+ callContext.stack.push(integer.Clear())
}
return nil, nil
}
// make push instruction function
func makePush(size uint64, pushByteSize int) executionFunc {
- return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- codeLen := len(contract.Code)
+ return func(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ codeLen := len(callContext.contract.Code)
startMin := codeLen
if int(*pc+1) < startMin {
@@ -982,8 +942,9 @@ func makePush(size uint64, pushByteSize int) executionFunc {
endMin = startMin + pushByteSize
}
- integer := interpreter.intPool.get()
- stack.push(integer.SetBytes(common.RightPadBytes(contract.Code[startMin:endMin], pushByteSize)))
+ integer := new(uint256.Int)
+ callContext.stack.push(integer.SetBytes(common.RightPadBytes(
+ callContext.contract.Code[startMin:endMin], pushByteSize)))
*pc += size
return nil, nil
@@ -992,8 +953,8 @@ func makePush(size uint64, pushByteSize int) executionFunc {
// make dup instruction function
func makeDup(size int64) executionFunc {
- return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.dup(interpreter.intPool, int(size))
+ return func(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.dup(int(size))
return nil, nil
}
}
@@ -1002,8 +963,8 @@ func makeDup(size int64) executionFunc {
func makeSwap(size int64) executionFunc {
// switch n + 1 otherwise n would be swapped with n
size++
- return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
- stack.swap(int(size))
+ return func(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) {
+ callContext.stack.swap(int(size))
return nil, nil
}
}
diff --git a/core/vm/interface.go b/core/vm/interface.go
index 7e2d324..4f95423 100644
--- a/core/vm/interface.go
+++ b/core/vm/interface.go
@@ -20,7 +20,7 @@ import (
"math/big"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// StateDB is an EVM database for full state querying.
diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go
index e23896a..a114a8d 100644
--- a/core/vm/interpreter.go
+++ b/core/vm/interpreter.go
@@ -17,13 +17,12 @@
package vm
import (
- "fmt"
"hash"
"sync/atomic"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/log"
)
var (
@@ -40,7 +39,7 @@ type Config struct {
NoRecursion bool // Disables call, callcode, delegate call and create
EnablePreimageRecording bool // Enables recording of SHA3/keccak preimages
- JumpTable [256]operation // EVM instruction table, automatically populated if unset
+ JumpTable [256]*operation // EVM instruction table, automatically populated if unset
EWASMInterpreter string // External EWASM interpreter options
EVMInterpreter string // External EVM interpreter options
@@ -70,6 +69,15 @@ type Interpreter interface {
CanRun([]byte) bool
}
+// callCtx contains the things that are per-call, such as stack and memory,
+// but not transients like pc and gas
+type callCtx struct {
+ memory *Memory
+ stack *Stack
+ rstack *ReturnStack
+ contract *Contract
+}
+
// keccakState wraps sha3.state. In addition to the usual hash methods, it also supports
// Read to get a variable amount of data from the hash state. Read is faster than Sum
// because it doesn't copy the internal state, but also modifies the internal state.
@@ -83,8 +91,6 @@ type EVMInterpreter struct {
evm *EVM
cfg Config
- intPool *intPool
-
hasher keccakState // Keccak256 hasher instance shared across opcodes
hasherBuf common.Hash // Keccak256 hasher result array shared aross opcodes
@@ -97,9 +103,11 @@ func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
// We use the STOP instruction whether to see
// the jump table was initialised. If it was not
// we'll set the default jump table.
- if !cfg.JumpTable[STOP].valid {
+ if cfg.JumpTable[STOP] == nil {
var jt JumpTable
switch {
+ case evm.chainRules.IsYoloV1:
+ jt = yoloV1InstructionSet
case evm.chainRules.IsIstanbul:
jt = istanbulInstructionSet
case evm.chainRules.IsConstantinople:
@@ -136,7 +144,7 @@ func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
//
// It's important to note that any errors returned by the interpreter should be
// considered a revert-and-consume-all-gas operation except for
-// errExecutionReverted which means revert-and-keep-gas-left.
+// ErrExecutionReverted which means revert-and-keep-gas-left.
func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (ret []byte, err error) {
if contract.Address() == BuiltinAddr {
self := AccountRef(contract.Caller())
@@ -145,13 +153,6 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
}
contract.self = self
}
- if in.intPool == nil {
- in.intPool = poolOfIntPools.get()
- defer func() {
- poolOfIntPools.put(in.intPool)
- in.intPool = nil
- }()
- }
// Increment the call depth which is restricted to 1024
in.evm.depth++
@@ -174,9 +175,16 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
}
var (
- op OpCode // current opcode
- mem = NewMemory() // bound memory
- stack = newstack() // local stack
+ op OpCode // current opcode
+ mem = NewMemory() // bound memory
+ stack = newstack() // local stack
+ returns = newReturnStack() // local returns stack
+ callContext = &callCtx{
+ memory: mem,
+ stack: stack,
+ rstack: returns,
+ contract: contract,
+ }
// For optimisation reason we're using uint64 as the program counter.
// It's theoretically possible to go above 2^64. The YP defines the PC
// to be uint256. Practically much less so feasible.
@@ -188,18 +196,22 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
logged bool // deferred Tracer should ignore already logged steps
res []byte // result of the opcode execution function
)
+ // Don't move this deferrred function, it's placed before the capturestate-deferred method,
+ // so that it get's executed _after_: the capturestate needs the stacks before
+ // they are returned to the pools
+ defer func() {
+ returnStack(stack)
+ returnRStack(returns)
+ }()
contract.Input = input
- // Reclaim the stack as an int pool when the execution stops
- defer func() { in.intPool.put(stack.data...) }()
-
if in.cfg.Debug {
defer func() {
if err != nil {
if !logged {
- in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, cost, mem, stack, contract, in.evm.depth, err)
+ in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err)
} else {
- in.cfg.Tracer.CaptureFault(in.evm, pcCopy, op, gasCopy, cost, mem, stack, contract, in.evm.depth, err)
+ in.cfg.Tracer.CaptureFault(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, contract, in.evm.depth, err)
}
}
}()
@@ -208,7 +220,12 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
// explicit STOP, RETURN or SELFDESTRUCT is executed, an error occurred during
// the execution of one of the operations or until the done flag is set by the
// parent context.
- for atomic.LoadInt32(&in.evm.abort) == 0 {
+ steps := 0
+ for {
+ steps++
+ if steps%1000 == 0 && atomic.LoadInt32(&in.evm.abort) != 0 {
+ break
+ }
if in.cfg.Debug {
// Capture pre-execution values for tracing.
logged, pcCopy, gasCopy = false, pc, contract.Gas
@@ -218,14 +235,14 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
// enough stack items available to perform the operation.
op = contract.GetOp(pc)
operation := in.cfg.JumpTable[op]
- if !operation.valid {
- return nil, fmt.Errorf("invalid opcode 0x%x", int(op))
+ if operation == nil {
+ return nil, &ErrInvalidOpCode{opcode: op}
}
// Validate stack
if sLen := stack.len(); sLen < operation.minStack {
- return nil, fmt.Errorf("stack underflow (%d <=> %d)", sLen, operation.minStack)
+ return nil, &ErrStackUnderflow{stackLen: sLen, required: operation.minStack}
} else if sLen > operation.maxStack {
- return nil, fmt.Errorf("stack limit reached %d (%d)", sLen, operation.maxStack)
+ return nil, &ErrStackOverflow{stackLen: sLen, limit: operation.maxStack}
}
// If the operation is valid, enforce and write restrictions
if in.readOnly && in.evm.chainRules.IsByzantium {
@@ -235,7 +252,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
// account to the others means the state is modified and should also
// return with an error.
if operation.writes || ((op == CALL || op == CALLEX) && stack.Back(2).Sign() != 0) {
- return nil, errWriteProtection
+ return nil, ErrWriteProtection
}
}
// Static portion of gas
@@ -252,12 +269,12 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
if operation.memorySize != nil {
memSize, overflow := operation.memorySize(stack)
if overflow {
- return nil, errGasUintOverflow
+ return nil, ErrGasUintOverflow
}
// memory is expanded in words of 32 bytes. Gas
// is also calculated in words.
if memorySize, overflow = math.SafeMul(toWordSize(memSize), 32); overflow {
- return nil, errGasUintOverflow
+ return nil, ErrGasUintOverflow
}
}
// Dynamic portion of gas
@@ -276,28 +293,23 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
}
if in.cfg.Debug {
- in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, cost, mem, stack, contract, in.evm.depth, err)
+ in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err)
logged = true
}
// execute the operation
- res, err = operation.execute(&pc, in, contract, mem, stack)
- // verifyPool is a build flag. Pool verification makes sure the integrity
- // of the integer pool by comparing values to a default value.
- if verifyPool {
- verifyIntegerPool(in.intPool)
- }
+ res, err = operation.execute(&pc, in, callContext)
// if the operation clears the return data (e.g. it has returning data)
// set the last return to the result of the operation.
if operation.returns {
- in.returnData = res
+ in.returnData = common.CopyBytes(res)
}
switch {
case err != nil:
return nil, err
case operation.reverts:
- return res, errExecutionReverted
+ return res, ErrExecutionReverted
case operation.halts:
return res, nil
case !operation.jumps:
diff --git a/core/vm/intpool.go b/core/vm/intpool.go
deleted file mode 100644
index 917a78d..0000000
--- a/core/vm/intpool.go
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package vm
-
-import (
- "math/big"
- "sync"
-)
-
-var checkVal = big.NewInt(-42)
-
-const poolLimit = 256
-
-// intPool is a pool of big integers that
-// can be reused for all big.Int operations.
-type intPool struct {
- pool *Stack
-}
-
-func newIntPool() *intPool {
- return &intPool{pool: newstack()}
-}
-
-// get retrieves a big int from the pool, allocating one if the pool is empty.
-// Note, the returned int's value is arbitrary and will not be zeroed!
-func (p *intPool) get() *big.Int {
- if p.pool.len() > 0 {
- return p.pool.pop()
- }
- return new(big.Int)
-}
-
-// getZero retrieves a big int from the pool, setting it to zero or allocating
-// a new one if the pool is empty.
-func (p *intPool) getZero() *big.Int {
- if p.pool.len() > 0 {
- return p.pool.pop().SetUint64(0)
- }
- return new(big.Int)
-}
-
-// put returns an allocated big int to the pool to be later reused by get calls.
-// Note, the values as saved as is; neither put nor get zeroes the ints out!
-func (p *intPool) put(is ...*big.Int) {
- if len(p.pool.data) > poolLimit {
- return
- }
- for _, i := range is {
- // verifyPool is a build flag. Pool verification makes sure the integrity
- // of the integer pool by comparing values to a default value.
- if verifyPool {
- i.Set(checkVal)
- }
- p.pool.push(i)
- }
-}
-
-// The intPool pool's default capacity
-const poolDefaultCap = 25
-
-// intPoolPool manages a pool of intPools.
-type intPoolPool struct {
- pools []*intPool
- lock sync.Mutex
-}
-
-var poolOfIntPools = &intPoolPool{
- pools: make([]*intPool, 0, poolDefaultCap),
-}
-
-// get is looking for an available pool to return.
-func (ipp *intPoolPool) get() *intPool {
- ipp.lock.Lock()
- defer ipp.lock.Unlock()
-
- if len(poolOfIntPools.pools) > 0 {
- ip := ipp.pools[len(ipp.pools)-1]
- ipp.pools = ipp.pools[:len(ipp.pools)-1]
- return ip
- }
- return newIntPool()
-}
-
-// put a pool that has been allocated with get.
-func (ipp *intPoolPool) put(ip *intPool) {
- ipp.lock.Lock()
- defer ipp.lock.Unlock()
-
- if len(ipp.pools) < cap(ipp.pools) {
- ipp.pools = append(ipp.pools, ip)
- }
-}
diff --git a/core/vm/jump_table.go b/core/vm/jump_table.go
index 737dd14..7e3e354 100644
--- a/core/vm/jump_table.go
+++ b/core/vm/jump_table.go
@@ -17,20 +17,16 @@
package vm
import (
- "errors"
-
"github.com/ava-labs/coreth/params"
)
type (
- executionFunc func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)
+ executionFunc func(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error)
gasFunc func(*EVM, *Contract, *Stack, *Memory, uint64) (uint64, error) // last parameter is the requested memory size as a uint64
// memorySizeFunc returns the required size, and whether the operation overflowed a uint64
memorySizeFunc func(*Stack) (size uint64, overflow bool)
)
-var errGasUintOverflow = errors.New("gas uint64 overflow")
-
type operation struct {
// execute is the operation function
execute executionFunc
@@ -48,7 +44,6 @@ type operation struct {
halts bool // indicates whether the operation should halt further execution
jumps bool // indicates whether the program counter should not increment
writes bool // determines whether this a state modifying operation
- valid bool // indication whether the retrieved operation is valid and known
reverts bool // determines whether the operation reverts state (implicitly halts)
returns bool // determines whether the operations sets the return data content
}
@@ -61,10 +56,19 @@ var (
byzantiumInstructionSet = newByzantiumInstructionSet()
constantinopleInstructionSet = newConstantinopleInstructionSet()
istanbulInstructionSet = newIstanbulInstructionSet()
+ yoloV1InstructionSet = newYoloV1InstructionSet()
)
// JumpTable contains the EVM opcodes supported at a given fork.
-type JumpTable [256]operation
+type JumpTable [256]*operation
+
+func newYoloV1InstructionSet() JumpTable {
+ instructionSet := newIstanbulInstructionSet()
+
+ enable2315(&instructionSet) // Subroutines - https://eips.ethereum.org/EIPS/eip-2315
+
+ return instructionSet
+}
// newIstanbulInstructionSet returns the frontier, homestead
// byzantium, contantinople and petersburg instructions.
@@ -82,42 +86,37 @@ func newIstanbulInstructionSet() JumpTable {
// byzantium and contantinople instructions.
func newConstantinopleInstructionSet() JumpTable {
instructionSet := newByzantiumInstructionSet()
- instructionSet[SHL] = operation{
+ instructionSet[SHL] = &operation{
execute: opSHL,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
}
- instructionSet[SHR] = operation{
+ instructionSet[SHR] = &operation{
execute: opSHR,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
}
- instructionSet[SAR] = operation{
+ instructionSet[SAR] = &operation{
execute: opSAR,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
}
- instructionSet[EXTCODEHASH] = operation{
+ instructionSet[EXTCODEHASH] = &operation{
execute: opExtCodeHash,
constantGas: params.ExtcodeHashGasConstantinople,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
}
- instructionSet[CREATE2] = operation{
+ instructionSet[CREATE2] = &operation{
execute: opCreate2,
constantGas: params.Create2Gas,
dynamicGas: gasCreate2,
minStack: minStack(4, 1),
maxStack: maxStack(4, 1),
memorySize: memoryCreate2,
- valid: true,
writes: true,
returns: true,
}
@@ -128,39 +127,35 @@ func newConstantinopleInstructionSet() JumpTable {
// byzantium instructions.
func newByzantiumInstructionSet() JumpTable {
instructionSet := newSpuriousDragonInstructionSet()
- instructionSet[STATICCALL] = operation{
+ instructionSet[STATICCALL] = &operation{
execute: opStaticCall,
constantGas: params.CallGasEIP150,
dynamicGas: gasStaticCall,
minStack: minStack(6, 1),
maxStack: maxStack(6, 1),
memorySize: memoryStaticCall,
- valid: true,
returns: true,
}
- instructionSet[RETURNDATASIZE] = operation{
+ instructionSet[RETURNDATASIZE] = &operation{
execute: opReturnDataSize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
}
- instructionSet[RETURNDATACOPY] = operation{
+ instructionSet[RETURNDATACOPY] = &operation{
execute: opReturnDataCopy,
constantGas: GasFastestStep,
dynamicGas: gasReturnDataCopy,
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryReturnDataCopy,
- valid: true,
}
- instructionSet[REVERT] = operation{
+ instructionSet[REVERT] = &operation{
execute: opRevert,
dynamicGas: gasRevert,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryRevert,
- valid: true,
reverts: true,
returns: true,
}
@@ -193,14 +188,13 @@ func newTangerineWhistleInstructionSet() JumpTable {
// instructions that can be executed during the homestead phase.
func newHomesteadInstructionSet() JumpTable {
instructionSet := newFrontierInstructionSet()
- instructionSet[DELEGATECALL] = operation{
+ instructionSet[DELEGATECALL] = &operation{
execute: opDelegateCall,
dynamicGas: gasDelegateCall,
constantGas: params.CallGasFrontier,
minStack: minStack(6, 1),
maxStack: maxStack(6, 1),
memorySize: memoryDelegateCall,
- valid: true,
returns: true,
}
return instructionSet
@@ -216,161 +210,138 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(0, 0),
maxStack: maxStack(0, 0),
halts: true,
- valid: true,
},
ADD: {
execute: opAdd,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
MUL: {
execute: opMul,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SUB: {
execute: opSub,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
DIV: {
execute: opDiv,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SDIV: {
execute: opSdiv,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
MOD: {
execute: opMod,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SMOD: {
execute: opSmod,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
ADDMOD: {
execute: opAddmod,
constantGas: GasMidStep,
minStack: minStack(3, 1),
maxStack: maxStack(3, 1),
- valid: true,
},
MULMOD: {
execute: opMulmod,
constantGas: GasMidStep,
minStack: minStack(3, 1),
maxStack: maxStack(3, 1),
- valid: true,
},
EXP: {
execute: opExp,
dynamicGas: gasExpFrontier,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SIGNEXTEND: {
execute: opSignExtend,
constantGas: GasFastStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
LT: {
execute: opLt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
GT: {
execute: opGt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SLT: {
execute: opSlt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SGT: {
execute: opSgt,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
EQ: {
execute: opEq,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
ISZERO: {
execute: opIszero,
constantGas: GasFastestStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
AND: {
execute: opAnd,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
XOR: {
execute: opXor,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
OR: {
execute: opOr,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
NOT: {
execute: opNot,
constantGas: GasFastestStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
BYTE: {
execute: opByte,
constantGas: GasFastestStep,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
SHA3: {
execute: opSha3,
@@ -379,63 +350,54 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
memorySize: memorySha3,
- valid: true,
},
ADDRESS: {
execute: opAddress,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
BALANCE: {
execute: opBalance,
constantGas: params.BalanceGasFrontier,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
BALANCEMC: {
execute: opBalanceMultiCoin,
constantGas: params.BalanceGasFrontier,
minStack: minStack(2, 1),
maxStack: maxStack(2, 1),
- valid: true,
},
ORIGIN: {
execute: opOrigin,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
CALLER: {
execute: opCaller,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
CALLVALUE: {
execute: opCallValue,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
CALLDATALOAD: {
execute: opCallDataLoad,
constantGas: GasFastestStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
CALLDATASIZE: {
execute: opCallDataSize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
CALLDATACOPY: {
execute: opCallDataCopy,
@@ -444,14 +406,12 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryCallDataCopy,
- valid: true,
},
CODESIZE: {
execute: opCodeSize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
CODECOPY: {
execute: opCodeCopy,
@@ -460,21 +420,18 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryCodeCopy,
- valid: true,
},
GASPRICE: {
execute: opGasprice,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
EXTCODESIZE: {
execute: opExtCodeSize,
constantGas: params.ExtcodeSizeGasFrontier,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
EXTCODECOPY: {
execute: opExtCodeCopy,
@@ -483,56 +440,48 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(4, 0),
maxStack: maxStack(4, 0),
memorySize: memoryExtCodeCopy,
- valid: true,
},
BLOCKHASH: {
execute: opBlockhash,
constantGas: GasExtStep,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
COINBASE: {
execute: opCoinbase,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
TIMESTAMP: {
execute: opTimestamp,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
NUMBER: {
execute: opNumber,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
DIFFICULTY: {
execute: opDifficulty,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
GASLIMIT: {
execute: opGasLimit,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
POP: {
execute: opPop,
constantGas: GasQuickStep,
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
- valid: true,
},
MLOAD: {
execute: opMload,
@@ -541,7 +490,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
memorySize: memoryMLoad,
- valid: true,
},
MSTORE: {
execute: opMstore,
@@ -550,7 +498,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryMStore,
- valid: true,
},
MSTORE8: {
execute: opMstore8,
@@ -559,22 +506,18 @@ func newFrontierInstructionSet() JumpTable {
memorySize: memoryMStore8,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
-
- valid: true,
},
SLOAD: {
execute: opSload,
constantGas: params.SloadGasFrontier,
minStack: minStack(1, 1),
maxStack: maxStack(1, 1),
- valid: true,
},
SSTORE: {
execute: opSstore,
dynamicGas: gasSStore,
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
- valid: true,
writes: true,
},
JUMP: {
@@ -583,7 +526,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
jumps: true,
- valid: true,
},
JUMPI: {
execute: opJumpi,
@@ -591,490 +533,420 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
jumps: true,
- valid: true,
},
PC: {
execute: opPc,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
MSIZE: {
execute: opMsize,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
GAS: {
execute: opGas,
constantGas: GasQuickStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
JUMPDEST: {
execute: opJumpdest,
constantGas: params.JumpdestGas,
minStack: minStack(0, 0),
maxStack: maxStack(0, 0),
- valid: true,
},
EMC: {
execute: opEMC,
constantGas: params.EMCGas,
minStack: minStack(0, 0),
maxStack: maxStack(0, 0),
- valid: true,
},
PUSH1: {
execute: opPush1,
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH2: {
execute: makePush(2, 2),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH3: {
execute: makePush(3, 3),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH4: {
execute: makePush(4, 4),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH5: {
execute: makePush(5, 5),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH6: {
execute: makePush(6, 6),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH7: {
execute: makePush(7, 7),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH8: {
execute: makePush(8, 8),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH9: {
execute: makePush(9, 9),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH10: {
execute: makePush(10, 10),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH11: {
execute: makePush(11, 11),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH12: {
execute: makePush(12, 12),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH13: {
execute: makePush(13, 13),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH14: {
execute: makePush(14, 14),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH15: {
execute: makePush(15, 15),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH16: {
execute: makePush(16, 16),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH17: {
execute: makePush(17, 17),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH18: {
execute: makePush(18, 18),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH19: {
execute: makePush(19, 19),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH20: {
execute: makePush(20, 20),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH21: {
execute: makePush(21, 21),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH22: {
execute: makePush(22, 22),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH23: {
execute: makePush(23, 23),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH24: {
execute: makePush(24, 24),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH25: {
execute: makePush(25, 25),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH26: {
execute: makePush(26, 26),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH27: {
execute: makePush(27, 27),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH28: {
execute: makePush(28, 28),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH29: {
execute: makePush(29, 29),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH30: {
execute: makePush(30, 30),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH31: {
execute: makePush(31, 31),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
PUSH32: {
execute: makePush(32, 32),
constantGas: GasFastestStep,
minStack: minStack(0, 1),
maxStack: maxStack(0, 1),
- valid: true,
},
DUP1: {
execute: makeDup(1),
constantGas: GasFastestStep,
minStack: minDupStack(1),
maxStack: maxDupStack(1),
- valid: true,
},
DUP2: {
execute: makeDup(2),
constantGas: GasFastestStep,
minStack: minDupStack(2),
maxStack: maxDupStack(2),
- valid: true,
},
DUP3: {
execute: makeDup(3),
constantGas: GasFastestStep,
minStack: minDupStack(3),
maxStack: maxDupStack(3),
- valid: true,
},
DUP4: {
execute: makeDup(4),
constantGas: GasFastestStep,
minStack: minDupStack(4),
maxStack: maxDupStack(4),
- valid: true,
},
DUP5: {
execute: makeDup(5),
constantGas: GasFastestStep,
minStack: minDupStack(5),
maxStack: maxDupStack(5),
- valid: true,
},
DUP6: {
execute: makeDup(6),
constantGas: GasFastestStep,
minStack: minDupStack(6),
maxStack: maxDupStack(6),
- valid: true,
},
DUP7: {
execute: makeDup(7),
constantGas: GasFastestStep,
minStack: minDupStack(7),
maxStack: maxDupStack(7),
- valid: true,
},
DUP8: {
execute: makeDup(8),
constantGas: GasFastestStep,
minStack: minDupStack(8),
maxStack: maxDupStack(8),
- valid: true,
},
DUP9: {
execute: makeDup(9),
constantGas: GasFastestStep,
minStack: minDupStack(9),
maxStack: maxDupStack(9),
- valid: true,
},
DUP10: {
execute: makeDup(10),
constantGas: GasFastestStep,
minStack: minDupStack(10),
maxStack: maxDupStack(10),
- valid: true,
},
DUP11: {
execute: makeDup(11),
constantGas: GasFastestStep,
minStack: minDupStack(11),
maxStack: maxDupStack(11),
- valid: true,
},
DUP12: {
execute: makeDup(12),
constantGas: GasFastestStep,
minStack: minDupStack(12),
maxStack: maxDupStack(12),
- valid: true,
},
DUP13: {
execute: makeDup(13),
constantGas: GasFastestStep,
minStack: minDupStack(13),
maxStack: maxDupStack(13),
- valid: true,
},
DUP14: {
execute: makeDup(14),
constantGas: GasFastestStep,
minStack: minDupStack(14),
maxStack: maxDupStack(14),
- valid: true,
},
DUP15: {
execute: makeDup(15),
constantGas: GasFastestStep,
minStack: minDupStack(15),
maxStack: maxDupStack(15),
- valid: true,
},
DUP16: {
execute: makeDup(16),
constantGas: GasFastestStep,
minStack: minDupStack(16),
maxStack: maxDupStack(16),
- valid: true,
},
SWAP1: {
execute: makeSwap(1),
constantGas: GasFastestStep,
minStack: minSwapStack(2),
maxStack: maxSwapStack(2),
- valid: true,
},
SWAP2: {
execute: makeSwap(2),
constantGas: GasFastestStep,
minStack: minSwapStack(3),
maxStack: maxSwapStack(3),
- valid: true,
},
SWAP3: {
execute: makeSwap(3),
constantGas: GasFastestStep,
minStack: minSwapStack(4),
maxStack: maxSwapStack(4),
- valid: true,
},
SWAP4: {
execute: makeSwap(4),
constantGas: GasFastestStep,
minStack: minSwapStack(5),
maxStack: maxSwapStack(5),
- valid: true,
},
SWAP5: {
execute: makeSwap(5),
constantGas: GasFastestStep,
minStack: minSwapStack(6),
maxStack: maxSwapStack(6),
- valid: true,
},
SWAP6: {
execute: makeSwap(6),
constantGas: GasFastestStep,
minStack: minSwapStack(7),
maxStack: maxSwapStack(7),
- valid: true,
},
SWAP7: {
execute: makeSwap(7),
constantGas: GasFastestStep,
minStack: minSwapStack(8),
maxStack: maxSwapStack(8),
- valid: true,
},
SWAP8: {
execute: makeSwap(8),
constantGas: GasFastestStep,
minStack: minSwapStack(9),
maxStack: maxSwapStack(9),
- valid: true,
},
SWAP9: {
execute: makeSwap(9),
constantGas: GasFastestStep,
minStack: minSwapStack(10),
maxStack: maxSwapStack(10),
- valid: true,
},
SWAP10: {
execute: makeSwap(10),
constantGas: GasFastestStep,
minStack: minSwapStack(11),
maxStack: maxSwapStack(11),
- valid: true,
},
SWAP11: {
execute: makeSwap(11),
constantGas: GasFastestStep,
minStack: minSwapStack(12),
maxStack: maxSwapStack(12),
- valid: true,
},
SWAP12: {
execute: makeSwap(12),
constantGas: GasFastestStep,
minStack: minSwapStack(13),
maxStack: maxSwapStack(13),
- valid: true,
},
SWAP13: {
execute: makeSwap(13),
constantGas: GasFastestStep,
minStack: minSwapStack(14),
maxStack: maxSwapStack(14),
- valid: true,
},
SWAP14: {
execute: makeSwap(14),
constantGas: GasFastestStep,
minStack: minSwapStack(15),
maxStack: maxSwapStack(15),
- valid: true,
},
SWAP15: {
execute: makeSwap(15),
constantGas: GasFastestStep,
minStack: minSwapStack(16),
maxStack: maxSwapStack(16),
- valid: true,
},
SWAP16: {
execute: makeSwap(16),
constantGas: GasFastestStep,
minStack: minSwapStack(17),
maxStack: maxSwapStack(17),
- valid: true,
},
LOG0: {
execute: makeLog(0),
@@ -1082,7 +954,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(2, 0),
maxStack: maxStack(2, 0),
memorySize: memoryLog,
- valid: true,
writes: true,
},
LOG1: {
@@ -1091,7 +962,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(3, 0),
maxStack: maxStack(3, 0),
memorySize: memoryLog,
- valid: true,
writes: true,
},
LOG2: {
@@ -1100,7 +970,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(4, 0),
maxStack: maxStack(4, 0),
memorySize: memoryLog,
- valid: true,
writes: true,
},
LOG3: {
@@ -1109,7 +978,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(5, 0),
maxStack: maxStack(5, 0),
memorySize: memoryLog,
- valid: true,
writes: true,
},
LOG4: {
@@ -1118,7 +986,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(6, 0),
maxStack: maxStack(6, 0),
memorySize: memoryLog,
- valid: true,
writes: true,
},
CREATE: {
@@ -1128,7 +995,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(3, 1),
maxStack: maxStack(3, 1),
memorySize: memoryCreate,
- valid: true,
writes: true,
returns: true,
},
@@ -1139,7 +1005,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(7, 1),
maxStack: maxStack(7, 1),
memorySize: memoryCall,
- valid: true,
returns: true,
},
CALLEX: {
@@ -1149,7 +1014,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(9, 1),
maxStack: maxStack(9, 1),
memorySize: memoryCallExpert,
- valid: true,
returns: true,
},
CALLCODE: {
@@ -1159,7 +1023,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(7, 1),
maxStack: maxStack(7, 1),
memorySize: memoryCall,
- valid: true,
returns: true,
},
RETURN: {
@@ -1169,7 +1032,6 @@ func newFrontierInstructionSet() JumpTable {
maxStack: maxStack(2, 0),
memorySize: memoryReturn,
halts: true,
- valid: true,
},
SELFDESTRUCT: {
execute: opSuicide,
@@ -1177,7 +1039,6 @@ func newFrontierInstructionSet() JumpTable {
minStack: minStack(1, 0),
maxStack: maxStack(1, 0),
halts: true,
- valid: true,
writes: true,
},
}
diff --git a/core/vm/logger.go b/core/vm/logger.go
index 95143f1..ea5d6f2 100644
--- a/core/vm/logger.go
+++ b/core/vm/logger.go
@@ -18,17 +18,21 @@ package vm
import (
"encoding/hex"
+ "errors"
"fmt"
"io"
"math/big"
+ "strings"
"time"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common/math"
)
+var errTraceLimitReached = errors.New("the number of logs reached the specified limit")
+
// Storage represents a contract's storage.
type Storage map[common.Hash]common.Hash
@@ -38,17 +42,17 @@ func (s Storage) Copy() Storage {
for key, value := range s {
cpy[key] = value
}
-
return cpy
}
// LogConfig are the configuration options for structured logger the EVM
type LogConfig struct {
- DisableMemory bool // disable memory capture
- DisableStack bool // disable stack capture
- DisableStorage bool // disable storage capture
- Debug bool // print output during capture end
- Limit int // maximum length of output, but zero means unlimited
+ DisableMemory bool // disable memory capture
+ DisableStack bool // disable stack capture
+ DisableStorage bool // disable storage capture
+ DisableReturnData bool // disable return data capture
+ Debug bool // print output during capture end
+ Limit int // maximum length of output, but zero means unlimited
}
//go:generate gencodec -type StructLog -field-override structLogMarshaling -out gen_structlog.go
@@ -63,6 +67,8 @@ type StructLog struct {
Memory []byte `json:"memory"`
MemorySize int `json:"memSize"`
Stack []*big.Int `json:"stack"`
+ ReturnStack []uint32 `json:"returnStack"`
+ ReturnData []byte `json:"returnData"`
Storage map[common.Hash]common.Hash `json:"-"`
Depth int `json:"depth"`
RefundCounter uint64 `json:"refund"`
@@ -72,6 +78,7 @@ type StructLog struct {
// overrides for gencodec
type structLogMarshaling struct {
Stack []*math.HexOrDecimal256
+ ReturnStack []math.HexOrDecimal64
Gas math.HexOrDecimal64
GasCost math.HexOrDecimal64
Memory hexutil.Bytes
@@ -98,9 +105,9 @@ func (s *StructLog) ErrorString() string {
// Note that reference types are actual VM data structures; make copies
// if you need to retain them beyond the current call.
type Tracer interface {
- CaptureStart(from common.Address, to common.Address, call bool, input []byte, gas uint64, value *big.Int) error
- CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error
- CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error
+ CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error
+ CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error
+ CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error
CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error
}
@@ -112,16 +119,16 @@ type Tracer interface {
type StructLogger struct {
cfg LogConfig
- logs []StructLog
- changedValues map[common.Address]Storage
- output []byte
- err error
+ storage map[common.Address]Storage
+ logs []StructLog
+ output []byte
+ err error
}
// NewStructLogger returns a new logger
func NewStructLogger(cfg *LogConfig) *StructLogger {
logger := &StructLogger{
- changedValues: make(map[common.Address]Storage),
+ storage: make(map[common.Address]Storage),
}
if cfg != nil {
logger.cfg = *cfg
@@ -136,27 +143,11 @@ func (l *StructLogger) CaptureStart(from common.Address, to common.Address, crea
// CaptureState logs a new structured log message and pushes it out to the environment
//
-// CaptureState also tracks SSTORE ops to track dirty values.
-func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error {
+// CaptureState also tracks SLOAD/SSTORE ops to track storage change.
+func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error {
// check if already accumulated the specified number of logs
if l.cfg.Limit != 0 && l.cfg.Limit <= len(l.logs) {
- return ErrTraceLimitReached
- }
-
- // initialise new changed values storage container for this contract
- // if not present.
- if l.changedValues[contract.Address()] == nil {
- l.changedValues[contract.Address()] = make(Storage)
- }
-
- // capture SSTORE opcodes and determine the changed value and store
- // it in the local storage container.
- if op == SSTORE && stack.len() >= 2 {
- var (
- value = common.BigToHash(stack.data[stack.len()-2])
- address = common.BigToHash(stack.data[stack.len()-1])
- )
- l.changedValues[contract.Address()][address] = value
+ return errTraceLimitReached
}
// Copy a snapshot of the current memory state to a new buffer
var mem []byte
@@ -169,24 +160,54 @@ func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost ui
if !l.cfg.DisableStack {
stck = make([]*big.Int, len(stack.Data()))
for i, item := range stack.Data() {
- stck[i] = new(big.Int).Set(item)
+ stck[i] = new(big.Int).Set(item.ToBig())
}
}
+ var rstack []uint32
+ if !l.cfg.DisableStack && rStack != nil {
+ rstck := make([]uint32, len(rStack.data))
+ copy(rstck, rStack.data)
+ }
// Copy a snapshot of the current storage to a new container
var storage Storage
if !l.cfg.DisableStorage {
- storage = l.changedValues[contract.Address()].Copy()
+ // initialise new changed values storage container for this contract
+ // if not present.
+ if l.storage[contract.Address()] == nil {
+ l.storage[contract.Address()] = make(Storage)
+ }
+ // capture SLOAD opcodes and record the read entry in the local storage
+ if op == SLOAD && stack.len() >= 1 {
+ var (
+ address = common.Hash(stack.data[stack.len()-1].Bytes32())
+ value = env.StateDB.GetState(contract.Address(), address)
+ )
+ l.storage[contract.Address()][address] = value
+ }
+ // capture SSTORE opcodes and record the written entry in the local storage.
+ if op == SSTORE && stack.len() >= 2 {
+ var (
+ value = common.Hash(stack.data[stack.len()-2].Bytes32())
+ address = common.Hash(stack.data[stack.len()-1].Bytes32())
+ )
+ l.storage[contract.Address()][address] = value
+ }
+ storage = l.storage[contract.Address()].Copy()
+ }
+ var rdata []byte
+ if !l.cfg.DisableReturnData {
+ rdata = make([]byte, len(rData))
+ copy(rdata, rData)
}
// create a new snapshot of the EVM.
- log := StructLog{pc, op, gas, cost, mem, memory.Len(), stck, storage, depth, env.StateDB.GetRefund(), err}
-
+ log := StructLog{pc, op, gas, cost, mem, memory.Len(), stck, rstack, rdata, storage, depth, env.StateDB.GetRefund(), err}
l.logs = append(l.logs, log)
return nil
}
// CaptureFault implements the Tracer interface to trace an execution fault
// while running an opcode.
-func (l *StructLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error {
+func (l *StructLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error {
return nil
}
@@ -227,6 +248,12 @@ func WriteTrace(writer io.Writer, logs []StructLog) {
fmt.Fprintf(writer, "%08d %x\n", len(log.Stack)-i-1, math.PaddedBigBytes(log.Stack[i], 32))
}
}
+ if len(log.ReturnStack) > 0 {
+ fmt.Fprintln(writer, "ReturnStack:")
+ for i := len(log.Stack) - 1; i >= 0; i-- {
+ fmt.Fprintf(writer, "%08d 0x%x (%d)\n", len(log.Stack)-i-1, log.ReturnStack[i], log.ReturnStack[i])
+ }
+ }
if len(log.Memory) > 0 {
fmt.Fprintln(writer, "Memory:")
fmt.Fprint(writer, hex.Dump(log.Memory))
@@ -237,6 +264,10 @@ func WriteTrace(writer io.Writer, logs []StructLog) {
fmt.Fprintf(writer, "%x: %x\n", h, item)
}
}
+ if len(log.ReturnData) > 0 {
+ fmt.Fprintln(writer, "ReturnData:")
+ fmt.Fprint(writer, hex.Dump(log.ReturnData))
+ }
fmt.Fprintln(writer)
}
}
@@ -254,3 +285,79 @@ func WriteLogs(writer io.Writer, logs []*types.Log) {
fmt.Fprintln(writer)
}
}
+
+type mdLogger struct {
+ out io.Writer
+ cfg *LogConfig
+}
+
+// NewMarkdownLogger creates a logger which outputs information in a format adapted
+// for human readability, and is also a valid markdown table
+func NewMarkdownLogger(cfg *LogConfig, writer io.Writer) *mdLogger {
+ l := &mdLogger{writer, cfg}
+ if l.cfg == nil {
+ l.cfg = &LogConfig{}
+ }
+ return l
+}
+
+func (t *mdLogger) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error {
+ if !create {
+ fmt.Fprintf(t.out, "From: `%v`\nTo: `%v`\nData: `0x%x`\nGas: `%d`\nValue `%v` wei\n",
+ from.String(), to.String(),
+ input, gas, value)
+ } else {
+ fmt.Fprintf(t.out, "From: `%v`\nCreate at: `%v`\nData: `0x%x`\nGas: `%d`\nValue `%v` wei\n",
+ from.String(), to.String(),
+ input, gas, value)
+ }
+
+ fmt.Fprintf(t.out, `
+| Pc | Op | Cost | Stack | RStack |
+|-------|-------------|------|-----------|-----------|
+`)
+ return nil
+}
+
+func (t *mdLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error {
+ fmt.Fprintf(t.out, "| %4d | %10v | %3d |", pc, op, cost)
+
+ if !t.cfg.DisableStack { // format stack
+ var a []string
+ for _, elem := range stack.data {
+ a = append(a, fmt.Sprintf("%d", elem))
+ }
+ b := fmt.Sprintf("[%v]", strings.Join(a, ","))
+ fmt.Fprintf(t.out, "%10v |", b)
+ }
+ if !t.cfg.DisableStack { // format return stack
+ var a []string
+ for _, elem := range rStack.data {
+ a = append(a, fmt.Sprintf("%2d", elem))
+ }
+ b := fmt.Sprintf("[%v]", strings.Join(a, ","))
+ fmt.Fprintf(t.out, "%10v |", b)
+ }
+ fmt.Fprintln(t.out, "")
+ if err != nil {
+ fmt.Fprintf(t.out, "Error: %v\n", err)
+ }
+ return nil
+}
+
+func (t *mdLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error {
+
+ fmt.Fprintf(t.out, "\nError: at pc=%d, op=%v: %v\n", pc, op, err)
+
+ return nil
+}
+
+func (t *mdLogger) CaptureEnd(output []byte, gasUsed uint64, tm time.Duration, err error) error {
+ fmt.Fprintf(t.out, `
+Output: 0x%x
+Consumed gas: %d
+Error: %v
+`,
+ output, gasUsed, err)
+ return nil
+}
diff --git a/core/vm/logger_json.go b/core/vm/logger_json.go
index 5068343..5f3f2c4 100644
--- a/core/vm/logger_json.go
+++ b/core/vm/logger_json.go
@@ -22,8 +22,8 @@ import (
"math/big"
"time"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/math"
)
type JSONLogger struct {
@@ -46,7 +46,7 @@ func (l *JSONLogger) CaptureStart(from common.Address, to common.Address, create
}
// CaptureState outputs state information on the logger.
-func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error {
+func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error {
log := StructLog{
Pc: pc,
Op: op,
@@ -62,13 +62,22 @@ func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint
log.Memory = memory.Data()
}
if !l.cfg.DisableStack {
- log.Stack = stack.Data()
+ //TODO(@holiman) improve this
+ logstack := make([]*big.Int, len(stack.Data()))
+ for i, item := range stack.Data() {
+ logstack[i] = item.ToBig()
+ }
+ log.Stack = logstack
+ log.ReturnStack = rStack.data
+ }
+ if !l.cfg.DisableReturnData {
+ log.ReturnData = rData
}
return l.encoder.Encode(log)
}
// CaptureFault outputs state information on the logger.
-func (l *JSONLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, contract *Contract, depth int, err error) error {
+func (l *JSONLogger) CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error {
return nil
}
diff --git a/core/vm/memory.go b/core/vm/memory.go
index 5408707..ba5f848 100644
--- a/core/vm/memory.go
+++ b/core/vm/memory.go
@@ -18,9 +18,8 @@ package vm
import (
"fmt"
- "math/big"
- "github.com/ava-labs/go-ethereum/common/math"
+ "github.com/holiman/uint256"
)
// Memory implements a simple memory model for the ethereum virtual machine.
@@ -50,7 +49,7 @@ func (m *Memory) Set(offset, size uint64, value []byte) {
// Set32 sets the 32 bytes starting at offset to the value of val, left-padded with zeroes to
// 32 bytes.
-func (m *Memory) Set32(offset uint64, val *big.Int) {
+func (m *Memory) Set32(offset uint64, val *uint256.Int) {
// length of store may never be less than offset + size.
// The store should be resized PRIOR to setting the memory
if offset+32 > uint64(len(m.store)) {
@@ -59,7 +58,7 @@ func (m *Memory) Set32(offset uint64, val *big.Int) {
// Zero the memory area
copy(m.store[offset:offset+32], []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
// Fill in relevant bits
- math.ReadBits(val, m.store[offset:offset+32])
+ val.WriteToSlice(m.store[offset:])
}
// Resize resizes the memory to size
@@ -70,7 +69,7 @@ func (m *Memory) Resize(size uint64) {
}
// Get returns offset + size as a new slice
-func (m *Memory) Get(offset, size int64) (cpy []byte) {
+func (m *Memory) GetCopy(offset, size int64) (cpy []byte) {
if size == 0 {
return nil
}
diff --git a/core/vm/opcodes.go b/core/vm/opcodes.go
index 1a66ef8..99688b1 100644
--- a/core/vm/opcodes.go
+++ b/core/vm/opcodes.go
@@ -70,7 +70,7 @@ const (
SHR
SAR
- SHA3 = 0x20
+ SHA3 OpCode = 0x20
)
// 0x30 range - closure state.
@@ -101,26 +101,27 @@ const (
NUMBER
DIFFICULTY
GASLIMIT
- CHAINID = 0x46
- SELFBALANCE = 0x47
+ CHAINID OpCode = 0x46
+ SELFBALANCE OpCode = 0x47
)
// 0x50 range - 'storage' and execution.
const (
- POP OpCode = 0x50 + iota
- MLOAD
- MSTORE
- MSTORE8
- SLOAD
- SSTORE
- JUMP
- JUMPI
- PC
- MSIZE
- GAS
- JUMPDEST
- EMC = 0x5c
- BALANCEMC = 0x5d
+ POP OpCode = 0x50
+ MLOAD OpCode = 0x51
+ MSTORE OpCode = 0x52
+ MSTORE8 OpCode = 0x53
+ SLOAD OpCode = 0x54
+ SSTORE OpCode = 0x55
+ JUMP OpCode = 0x56
+ JUMPI OpCode = 0x57
+ PC OpCode = 0x58
+ MSIZE OpCode = 0x59
+ GAS OpCode = 0x5a
+ JUMPDEST OpCode = 0x5b
+ BEGINSUB OpCode = 0x5c
+ RETURNSUB OpCode = 0x5d
+ JUMPSUB OpCode = 0x5e
)
// 0x60 range.
@@ -207,6 +208,12 @@ const (
SWAP
)
+const (
+ BALANCEMC = 0xcd
+ EMC = 0xce
+ CALLEX = 0xcf
+)
+
// 0xf0 range - closures.
const (
CREATE OpCode = 0xf0 + iota
@@ -215,11 +222,9 @@ const (
RETURN
DELEGATECALL
CREATE2
- CALLEX = 0xf6
- STATICCALL = 0xfa
-
- REVERT = 0xfd
- SELFDESTRUCT = 0xff
+ STATICCALL OpCode = 0xfa
+ REVERT OpCode = 0xfd
+ SELFDESTRUCT OpCode = 0xff
)
// Since the opcodes aren't all in order we can't use a regular slice.
@@ -301,7 +306,10 @@ var opCodeToString = map[OpCode]string{
MSIZE: "MSIZE",
GAS: "GAS",
JUMPDEST: "JUMPDEST",
- EMC: "EMC",
+
+ BEGINSUB: "BEGINSUB",
+ JUMPSUB: "JUMPSUB",
+ RETURNSUB: "RETURNSUB",
// 0x60 range - push.
PUSH1: "PUSH1",
@@ -379,6 +387,7 @@ var opCodeToString = map[OpCode]string{
// 0xf0 range.
CREATE: "CREATE",
CALL: "CALL",
+ EMC: "EMC",
CALLEX: "CALLEX",
RETURN: "RETURN",
CALLCODE: "CALLCODE",
@@ -396,7 +405,7 @@ var opCodeToString = map[OpCode]string{
func (op OpCode) String() string {
str := opCodeToString[op]
if len(str) == 0 {
- return fmt.Sprintf("Missing opcode 0x%x", int(op))
+ return fmt.Sprintf("opcode 0x%x not defined", int(op))
}
return str
@@ -469,7 +478,9 @@ var stringToOp = map[string]OpCode{
"MSIZE": MSIZE,
"GAS": GAS,
"JUMPDEST": JUMPDEST,
- "EMC": EMC,
+ "BEGINSUB": BEGINSUB,
+ "RETURNSUB": RETURNSUB,
+ "JUMPSUB": JUMPSUB,
"PUSH1": PUSH1,
"PUSH2": PUSH2,
"PUSH3": PUSH3,
@@ -542,6 +553,7 @@ var stringToOp = map[string]OpCode{
"CREATE": CREATE,
"CREATE2": CREATE2,
"CALL": CALL,
+ "EMC": EMC,
"CALLEX": CALLEX,
"RETURN": RETURN,
"CALLCODE": CALLCODE,
diff --git a/core/vm/stack.go b/core/vm/stack.go
index 4c1b9e8..af27d65 100644
--- a/core/vm/stack.go
+++ b/core/vm/stack.go
@@ -18,36 +18,48 @@ package vm
import (
"fmt"
- "math/big"
+ "sync"
+
+ "github.com/holiman/uint256"
)
+var stackPool = sync.Pool{
+ New: func() interface{} {
+ return &Stack{data: make([]uint256.Int, 0, 16)}
+ },
+}
+
// Stack is an object for basic stack operations. Items popped to the stack are
// expected to be changed and modified. stack does not take care of adding newly
// initialised objects.
type Stack struct {
- data []*big.Int
+ data []uint256.Int
}
func newstack() *Stack {
- return &Stack{data: make([]*big.Int, 0, 1024)}
+ return stackPool.Get().(*Stack)
}
-// Data returns the underlying big.Int array.
-func (st *Stack) Data() []*big.Int {
+func returnStack(s *Stack) {
+ s.data = s.data[:0]
+ stackPool.Put(s)
+}
+
+// Data returns the underlying uint256.Int array.
+func (st *Stack) Data() []uint256.Int {
return st.data
}
-func (st *Stack) push(d *big.Int) {
+func (st *Stack) push(d *uint256.Int) {
// NOTE push limit (1024) is checked in baseCheck
- //stackItem := new(big.Int).Set(d)
- //st.data = append(st.data, stackItem)
- st.data = append(st.data, d)
+ st.data = append(st.data, *d)
}
-func (st *Stack) pushN(ds ...*big.Int) {
+func (st *Stack) pushN(ds ...uint256.Int) {
+ // FIXME: Is there a way to pass args by pointers.
st.data = append(st.data, ds...)
}
-func (st *Stack) pop() (ret *big.Int) {
+func (st *Stack) pop() (ret uint256.Int) {
ret = st.data[len(st.data)-1]
st.data = st.data[:len(st.data)-1]
return
@@ -61,24 +73,17 @@ func (st *Stack) swap(n int) {
st.data[st.len()-n], st.data[st.len()-1] = st.data[st.len()-1], st.data[st.len()-n]
}
-func (st *Stack) dup(pool *intPool, n int) {
- st.push(pool.get().Set(st.data[st.len()-n]))
+func (st *Stack) dup(n int) {
+ st.push(&st.data[st.len()-n])
}
-func (st *Stack) peek() *big.Int {
- return st.data[st.len()-1]
+func (st *Stack) peek() *uint256.Int {
+ return &st.data[st.len()-1]
}
// Back returns the n'th item in stack
-func (st *Stack) Back(n int) *big.Int {
- return st.data[st.len()-n-1]
-}
-
-func (st *Stack) require(n int) error {
- if st.len() < n {
- return fmt.Errorf("stack underflow (%d <=> %d)", len(st.data), n)
- }
- return nil
+func (st *Stack) Back(n int) *uint256.Int {
+ return &st.data[st.len()-n-1]
}
// Print dumps the content of the stack
@@ -93,3 +98,34 @@ func (st *Stack) Print() {
}
fmt.Println("#############")
}
+
+var rStackPool = sync.Pool{
+ New: func() interface{} {
+ return &ReturnStack{data: make([]uint32, 0, 10)}
+ },
+}
+
+// ReturnStack is an object for basic return stack operations.
+type ReturnStack struct {
+ data []uint32
+}
+
+func newReturnStack() *ReturnStack {
+ return rStackPool.Get().(*ReturnStack)
+}
+
+func returnRStack(rs *ReturnStack) {
+ rs.data = rs.data[:0]
+ rStackPool.Put(rs)
+}
+
+func (st *ReturnStack) push(d uint32) {
+ st.data = append(st.data, d)
+}
+
+// A uint32 is sufficient as for code below 4.2G
+func (st *ReturnStack) pop() (ret uint32) {
+ ret = st.data[len(st.data)-1]
+ st.data = st.data[:len(st.data)-1]
+ return
+}
diff --git a/coreth.go b/coreth.go
index c8a0e41..4d0c2ee 100644
--- a/coreth.go
+++ b/coreth.go
@@ -2,7 +2,7 @@ package coreth
import (
"crypto/ecdsa"
- "fmt"
+ //"fmt"
"io"
"os"
@@ -14,11 +14,12 @@ import (
"github.com/ava-labs/coreth/miner"
"github.com/ava-labs/coreth/node"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/trie"
+ //"github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
"github.com/mattn/go-isatty"
)
@@ -52,18 +53,18 @@ func NewETHChain(config *eth.Config, nodecfg *node.Config, etherBase *common.Add
if nodecfg == nil {
nodecfg = &node.Config{}
}
- mux := new(event.TypeMux)
- ctx, ep, err := node.NewServiceContext(nodecfg, mux)
+ //mux := new(event.TypeMux)
+ node, err := node.New(nodecfg)
if err != nil {
panic(err)
}
- if ep != "" {
- log.Info(fmt.Sprintf("temporary keystore = %s", ep))
- }
+ //if ep != "" {
+ // log.Info(fmt.Sprintf("temporary keystore = %s", ep))
+ //}
cb := new(dummy.ConsensusCallbacks)
mcb := new(miner.MinerCallbacks)
bcb := new(eth.BackendCallbacks)
- backend, _ := eth.New(&ctx, config, cb, mcb, bcb, chainDB)
+ backend, _ := eth.New(node, config, cb, mcb, bcb, chainDB)
chain := &ETHChain{backend: backend, cb: cb, mcb: mcb, bcb: bcb}
if etherBase == nil {
etherBase = &BlackholeAddr
@@ -85,7 +86,7 @@ func (self *ETHChain) GenBlock() {
}
func (self *ETHChain) VerifyBlock(block *types.Block) bool {
- txnHash := types.DeriveSha(block.Transactions())
+ txnHash := types.DeriveSha(block.Transactions(), new(trie.Trie))
uncleHash := types.CalcUncleHash(block.Uncles())
ethHeader := block.Header()
if txnHash != ethHeader.TxHash || uncleHash != ethHeader.UncleHash {
diff --git a/eth/api.go b/eth/api.go
index b64090e..ada2a97 100644
--- a/eth/api.go
+++ b/eth/api.go
@@ -34,10 +34,10 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/internal/ethapi"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
// PublicEthereumAPI provides an API to access Ethereum full node-related
@@ -166,8 +166,21 @@ func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI {
return &PrivateAdminAPI{eth: eth}
}
-// ExportChain exports the current blockchain into a local file.
-func (api *PrivateAdminAPI) ExportChain(file string) (bool, error) {
+// ExportChain exports the current blockchain into a local file,
+// or a range of blocks if first and last are non-nil
+func (api *PrivateAdminAPI) ExportChain(file string, first *uint64, last *uint64) (bool, error) {
+ if first == nil && last != nil {
+ return false, errors.New("last cannot be specified without first")
+ }
+ if first != nil && last == nil {
+ head := api.eth.BlockChain().CurrentHeader().Number.Uint64()
+ last = &head
+ }
+ if _, err := os.Stat(file); err == nil {
+ // File already exists. Allowing overwrite could be a DoS vecotor,
+ // since the 'file' may point to arbitrary paths on the drive
+ return false, errors.New("location would overwrite an existing file")
+ }
// Make sure we can create the file to export into
out, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
if err != nil {
@@ -182,7 +195,11 @@ func (api *PrivateAdminAPI) ExportChain(file string) (bool, error) {
}
// Export the blockchain
- if err := api.eth.BlockChain().Export(writer); err != nil {
+ if first != nil {
+ if err := api.eth.BlockChain().ExportN(writer, *first, *last); err != nil {
+ return false, err
+ }
+ } else if err := api.eth.BlockChain().Export(writer); err != nil {
return false, err
}
return true, nil
@@ -336,70 +353,52 @@ func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs,
return results, nil
}
-// AccountRangeResult returns a mapping from the hash of an account addresses
-// to its preimage. It will return the JSON null if no preimage is found.
-// Since a query can return a limited amount of results, a "next" field is
-// also present for paging.
-type AccountRangeResult struct {
- Accounts map[common.Hash]*common.Address `json:"accounts"`
- Next common.Hash `json:"next"`
-}
-
-func accountRange(st state.Trie, start *common.Hash, maxResults int) (AccountRangeResult, error) {
- if start == nil {
- start = &common.Hash{0}
- }
- it := trie.NewIterator(st.NodeIterator(start.Bytes()))
- result := AccountRangeResult{Accounts: make(map[common.Hash]*common.Address), Next: common.Hash{}}
-
- if maxResults > AccountRangeMaxResults {
- maxResults = AccountRangeMaxResults
- }
-
- for i := 0; i < maxResults && it.Next(); i++ {
- if preimage := st.GetKey(it.Key); preimage != nil {
- addr := &common.Address{}
- addr.SetBytes(preimage)
- result.Accounts[common.BytesToHash(it.Key)] = addr
- } else {
- result.Accounts[common.BytesToHash(it.Key)] = nil
- }
- }
-
- if it.Next() {
- result.Next = common.BytesToHash(it.Key)
- }
-
- return result, nil
-}
-
// AccountRangeMaxResults is the maximum number of results to be returned per call
const AccountRangeMaxResults = 256
-// AccountRange enumerates all accounts in the latest state
-func (api *PrivateDebugAPI) AccountRange(ctx context.Context, start *common.Hash, maxResults int) (AccountRangeResult, error) {
- var statedb *state.StateDB
+// AccountRange enumerates all accounts in the given block and start point in paging request
+func (api *PublicDebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, start []byte, maxResults int, nocode, nostorage, incompletes bool) (state.IteratorDump, error) {
+ var stateDb *state.StateDB
var err error
- block := api.eth.blockchain.CurrentBlock()
- if len(block.Transactions()) == 0 {
- statedb, err = api.computeStateDB(block, defaultTraceReexec)
- if err != nil {
- return AccountRangeResult{}, err
+ if number, ok := blockNrOrHash.Number(); ok {
+ if number == rpc.PendingBlockNumber {
+ // If we're dumping the pending state, we need to request
+ // both the pending block as well as the pending state from
+ // the miner and operate on those
+ _, stateDb = api.eth.miner.Pending()
+ } else {
+ var block *types.Block
+ if number == rpc.LatestBlockNumber {
+ block = api.eth.blockchain.CurrentBlock()
+ } else if number == rpc.AcceptedBlockNumber {
+ block = api.eth.AcceptedBlock()
+ } else {
+ block = api.eth.blockchain.GetBlockByNumber(uint64(number))
+ }
+ if block == nil {
+ return state.IteratorDump{}, fmt.Errorf("block #%d not found", number)
+ }
+ stateDb, err = api.eth.BlockChain().StateAt(block.Root())
+ if err != nil {
+ return state.IteratorDump{}, err
+ }
}
- } else {
- _, _, statedb, err = api.computeTxEnv(block.Hash(), len(block.Transactions())-1, 0)
+ } else if hash, ok := blockNrOrHash.Hash(); ok {
+ block := api.eth.blockchain.GetBlockByHash(hash)
+ if block == nil {
+ return state.IteratorDump{}, fmt.Errorf("block %s not found", hash.Hex())
+ }
+ stateDb, err = api.eth.BlockChain().StateAt(block.Root())
if err != nil {
- return AccountRangeResult{}, err
+ return state.IteratorDump{}, err
}
}
- trie, err := statedb.Database().OpenTrie(block.Header().Root)
- if err != nil {
- return AccountRangeResult{}, err
+ if maxResults > AccountRangeMaxResults || maxResults <= 0 {
+ maxResults = AccountRangeMaxResults
}
-
- return accountRange(trie, start, maxResults)
+ return stateDb.IteratorDump(nocode, nostorage, incompletes, start, maxResults), nil
}
// StorageRangeResult is the result of a debug_storageRangeAt API call.
@@ -416,8 +415,13 @@ type storageEntry struct {
}
// StorageRangeAt returns the storage at the given block height and transaction index.
-func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
- _, _, statedb, err := api.computeTxEnv(blockHash, txIndex, 0)
+func (api *PrivateDebugAPI) StorageRangeAt(blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
+ // Retrieve the block
+ block := api.eth.blockchain.GetBlockByHash(blockHash)
+ if block == nil {
+ return StorageRangeResult{}, fmt.Errorf("block %#x not found", blockHash)
+ }
+ _, _, statedb, err := api.computeTxEnv(block, txIndex, 0)
if err != nil {
return StorageRangeResult{}, err
}
diff --git a/eth/api_backend.go b/eth/api_backend.go
index d4061f8..bbc8691 100644
--- a/eth/api_backend.go
+++ b/eth/api_backend.go
@@ -22,20 +22,21 @@ import (
"math/big"
"github.com/ava-labs/coreth/accounts"
+ "github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core"
+ "github.com/ava-labs/coreth/core/bloombits"
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/eth/gasprice"
+ "github.com/ava-labs/coreth/miner"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/core/bloombits"
- "github.com/ava-labs/go-ethereum/eth/downloader"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
)
// EthAPIBackend implements ethapi.Backend for full nodes
@@ -79,6 +80,23 @@ func (b *EthAPIBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumb
return b.eth.blockchain.GetHeaderByNumber(uint64(number)), nil
}
+func (b *EthAPIBackend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error) {
+ if blockNr, ok := blockNrOrHash.Number(); ok {
+ return b.HeaderByNumber(ctx, blockNr)
+ }
+ if hash, ok := blockNrOrHash.Hash(); ok {
+ header := b.eth.blockchain.GetHeaderByHash(hash)
+ if header == nil {
+ return nil, errors.New("header for hash not found")
+ }
+ if blockNrOrHash.RequireCanonical && b.eth.blockchain.GetCanonicalHash(header.Number.Uint64()) != hash {
+ return nil, errors.New("hash is not currently canonical")
+ }
+ return header, nil
+ }
+ return nil, errors.New("invalid arguments; neither block nor hash specified")
+}
+
func (b *EthAPIBackend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
return b.eth.blockchain.GetHeaderByHash(hash), nil
}
@@ -103,6 +121,27 @@ func (b *EthAPIBackend) BlockByHash(ctx context.Context, hash common.Hash) (*typ
return b.eth.blockchain.GetBlockByHash(hash), nil
}
+func (b *EthAPIBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error) {
+ if blockNr, ok := blockNrOrHash.Number(); ok {
+ return b.BlockByNumber(ctx, blockNr)
+ }
+ if hash, ok := blockNrOrHash.Hash(); ok {
+ header := b.eth.blockchain.GetHeaderByHash(hash)
+ if header == nil {
+ return nil, errors.New("header for hash not found")
+ }
+ if blockNrOrHash.RequireCanonical && b.eth.blockchain.GetCanonicalHash(header.Number.Uint64()) != hash {
+ return nil, errors.New("hash is not currently canonical")
+ }
+ block := b.eth.blockchain.GetBlock(hash, header.Number.Uint64())
+ if block == nil {
+ return nil, errors.New("header found, but block body is missing")
+ }
+ return block, nil
+ }
+ return nil, errors.New("invalid arguments; neither block nor hash specified")
+}
+
func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
// Pending state is only known by the miner
if number == rpc.PendingBlockNumber {
@@ -121,6 +160,27 @@ func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.B
return stateDb, header, err
}
+func (b *EthAPIBackend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error) {
+ if blockNr, ok := blockNrOrHash.Number(); ok {
+ return b.StateAndHeaderByNumber(ctx, blockNr)
+ }
+ if hash, ok := blockNrOrHash.Hash(); ok {
+ header, err := b.HeaderByHash(ctx, hash)
+ if err != nil {
+ return nil, nil, err
+ }
+ if header == nil {
+ return nil, nil, errors.New("header for hash not found")
+ }
+ if blockNrOrHash.RequireCanonical && b.eth.blockchain.GetCanonicalHash(header.Number.Uint64()) != hash {
+ return nil, nil, errors.New("hash is not currently canonical")
+ }
+ stateDb, err := b.eth.BlockChain().StateAt(header.Root)
+ return stateDb, header, err
+ }
+ return nil, nil, errors.New("invalid arguments; neither block nor hash specified")
+}
+
func (b *EthAPIBackend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
return b.eth.blockchain.GetReceiptsByHash(hash), nil
}
@@ -137,12 +197,11 @@ func (b *EthAPIBackend) GetLogs(ctx context.Context, hash common.Hash) ([][]*typ
return logs, nil
}
-func (b *EthAPIBackend) GetTd(blockHash common.Hash) *big.Int {
- return b.eth.blockchain.GetTdByHash(blockHash)
+func (b *EthAPIBackend) GetTd(ctx context.Context, hash common.Hash) *big.Int {
+ return b.eth.blockchain.GetTdByHash(hash)
}
func (b *EthAPIBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error) {
- state.SetBalance(msg.From(), math.MaxBig256)
vmError := func() error { return nil }
context := core.NewEVMContext(msg, header, b.eth.BlockChain(), nil)
@@ -153,6 +212,10 @@ func (b *EthAPIBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEven
return b.eth.BlockChain().SubscribeRemovedLogsEvent(ch)
}
+func (b *EthAPIBackend) SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription {
+ return b.eth.miner.SubscribePendingLogs(ch)
+}
+
func (b *EthAPIBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription {
return b.eth.BlockChain().SubscribeChainEvent(ch)
}
@@ -211,6 +274,10 @@ func (b *EthAPIBackend) TxPoolContent() (map[common.Address]types.Transactions,
return b.eth.TxPool().Content()
}
+func (b *EthAPIBackend) TxPool() *core.TxPool {
+ return b.eth.TxPool()
+}
+
func (b *EthAPIBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription {
return b.eth.TxPool().SubscribeNewTxsEvent(ch)
}
@@ -243,10 +310,14 @@ func (b *EthAPIBackend) ExtRPCEnabled() bool {
return b.extRPCEnabled
}
-func (b *EthAPIBackend) RPCGasCap() *big.Int {
+func (b *EthAPIBackend) RPCGasCap() uint64 {
return b.eth.config.RPCGasCap
}
+func (b *EthAPIBackend) RPCTxFeeCap() float64 {
+ return b.eth.config.RPCTxFeeCap
+}
+
func (b *EthAPIBackend) BloomStatus() (uint64, uint64) {
sections, _, _ := b.eth.bloomIndexer.Sections()
return params.BloomBitsBlocks, sections
@@ -257,3 +328,19 @@ func (b *EthAPIBackend) ServiceFilter(ctx context.Context, session *bloombits.Ma
go session.Multiplex(bloomRetrievalBatch, bloomRetrievalWait, b.eth.bloomRequests)
}
}
+
+func (b *EthAPIBackend) Engine() consensus.Engine {
+ return b.eth.engine
+}
+
+func (b *EthAPIBackend) CurrentHeader() *types.Header {
+ return b.eth.blockchain.CurrentHeader()
+}
+
+func (b *EthAPIBackend) Miner() *miner.Miner {
+ return b.eth.Miner()
+}
+
+func (b *EthAPIBackend) StartMining(threads int) error {
+ return b.eth.StartMining(threads)
+}
diff --git a/eth/api_tracer.go b/eth/api_tracer.go
index c8a5307..c044dcc 100644
--- a/eth/api_tracer.go
+++ b/eth/api_tracer.go
@@ -36,11 +36,11 @@ import (
"github.com/ava-labs/coreth/eth/tracers"
"github.com/ava-labs/coreth/internal/ethapi"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/trie"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/trie"
)
const (
@@ -151,7 +151,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
// Ensure we have a valid starting state before doing any work
origin := start.NumberU64()
- database := state.NewDatabaseWithCache(api.eth.ChainDb(), 16) // Chain tracing will probably start at genesis
+ database := state.NewDatabaseWithCache(api.eth.ChainDb(), 16, "") // Chain tracing will probably start at genesis
if number := start.NumberU64(); number > 0 {
start = api.eth.blockchain.GetBlock(start.ParentHash(), start.NumberU64()-1)
@@ -159,7 +159,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
return nil, fmt.Errorf("parent block #%d not found", number-1)
}
}
- statedb, err := state.New(start.Root(), database)
+ statedb, err := state.New(start.Root(), database, nil)
if err != nil {
// If the starting state is missing, allow some number of blocks to be reexecuted
reexec := defaultTraceReexec
@@ -172,7 +172,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
if start == nil {
break
}
- if statedb, err = state.New(start.Root(), database); err == nil {
+ if statedb, err = state.New(start.Root(), database, nil); err == nil {
break
}
}
@@ -407,7 +407,7 @@ func (api *PrivateDebugAPI) TraceBlockFromFile(ctx context.Context, file string,
return api.TraceBlock(ctx, blob, config)
}
-// TraceBadBlockByHash returns the structured logs created during the execution of
+// TraceBadBlock returns the structured logs created during the execution of
// EVM against a block pulled from the pool of bad ones and returns them as a JSON
// object.
func (api *PrivateDebugAPI) TraceBadBlock(ctx context.Context, hash common.Hash, config *TraceConfig) ([]*txTraceResult, error) {
@@ -508,7 +508,7 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block,
vmctx := core.NewEVMContext(msg, block.Header(), api.eth.blockchain, nil)
vmenv := vm.NewEVM(vmctx, statedb, api.eth.blockchain.Config(), vm.Config{})
- if _, _, _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil {
+ if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil {
failed = err
break
}
@@ -602,7 +602,7 @@ func (api *PrivateDebugAPI) standardTraceBlockToFile(ctx context.Context, block
}
// Execute the transaction and flush any traces to disk
vmenv := vm.NewEVM(vmctx, statedb, api.eth.blockchain.Config(), vmConf)
- _, _, _, err = core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas()))
+ _, err = core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas()))
if writer != nil {
writer.Flush()
}
@@ -647,14 +647,14 @@ func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (*
}
// Otherwise try to reexec blocks until we find a state or reach our limit
origin := block.NumberU64()
- database := state.NewDatabaseWithCache(api.eth.ChainDb(), 16)
+ database := state.NewDatabaseWithCache(api.eth.ChainDb(), 16, "")
for i := uint64(0); i < reexec; i++ {
block = api.eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1)
if block == nil {
break
}
- if statedb, err = state.New(block.Root(), database); err == nil {
+ if statedb, err = state.New(block.Root(), database, nil); err == nil {
break
}
}
@@ -717,7 +717,12 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha
if config != nil && config.Reexec != nil {
reexec = *config.Reexec
}
- msg, vmctx, statedb, err := api.computeTxEnv(blockHash, int(index), reexec)
+ // Retrieve the block
+ block := api.eth.blockchain.GetBlockByHash(blockHash)
+ if block == nil {
+ return nil, fmt.Errorf("block %#x not found", blockHash)
+ }
+ msg, vmctx, statedb, err := api.computeTxEnv(block, int(index), reexec)
if err != nil {
return nil, err
}
@@ -725,6 +730,40 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha
return api.traceTx(ctx, msg, vmctx, statedb, config)
}
+// TraceCall lets you trace a given eth_call. It collects the structured logs created during the execution of EVM
+// if the given transaction was added on top of the provided block and returns them as a JSON object.
+// You can provide -2 as a block number to trace on top of the pending block.
+func (api *PrivateDebugAPI) TraceCall(ctx context.Context, args ethapi.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, config *TraceConfig) (interface{}, error) {
+ // First try to retrieve the state
+ statedb, header, err := api.eth.APIBackend.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
+ if err != nil {
+ // Try to retrieve the specified block
+ var block *types.Block
+ if hash, ok := blockNrOrHash.Hash(); ok {
+ block = api.eth.blockchain.GetBlockByHash(hash)
+ } else if number, ok := blockNrOrHash.Number(); ok {
+ block = api.eth.blockchain.GetBlockByNumber(uint64(number))
+ }
+ if block == nil {
+ return nil, fmt.Errorf("block %v not found: %v", blockNrOrHash, err)
+ }
+ // try to recompute the state
+ reexec := defaultTraceReexec
+ if config != nil && config.Reexec != nil {
+ reexec = *config.Reexec
+ }
+ _, _, statedb, err = api.computeTxEnv(block, 0, reexec)
+ if err != nil {
+ return nil, err
+ }
+ }
+
+ // Execute the trace
+ msg := args.ToMessage(api.eth.APIBackend.RPCGasCap())
+ vmctx := core.NewEVMContext(msg, header, api.eth.blockchain, nil)
+ return api.traceTx(ctx, msg, vmctx, statedb, config)
+}
+
// traceTx configures a new tracer according to the provided configuration, and
// executes the given message in the provided environment. The return value will
// be tracer dependent.
@@ -764,17 +803,22 @@ func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, v
// Run the transaction with tracing enabled.
vmenv := vm.NewEVM(vmctx, statedb, api.eth.blockchain.Config(), vm.Config{Debug: true, Tracer: tracer})
- ret, gas, failed, err := core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.Gas()))
+ result, err := core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.Gas()))
if err != nil {
return nil, fmt.Errorf("tracing failed: %v", err)
}
// Depending on the tracer type, format and return the output
switch tracer := tracer.(type) {
case *vm.StructLogger:
+ // If the result contains a revert reason, return it.
+ returnVal := fmt.Sprintf("%x", result.Return())
+ if len(result.Revert()) > 0 {
+ returnVal = fmt.Sprintf("%x", result.Revert())
+ }
return &ethapi.ExecutionResult{
- Gas: gas,
- Failed: failed,
- ReturnValue: fmt.Sprintf("%x", ret),
+ Gas: result.UsedGas,
+ Failed: result.Failed(),
+ ReturnValue: returnVal,
StructLogs: ethapi.FormatLogs(tracer.StructLogs()),
}, nil
@@ -787,12 +831,8 @@ func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, v
}
// computeTxEnv returns the execution environment of a certain transaction.
-func (api *PrivateDebugAPI) computeTxEnv(blockHash common.Hash, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) {
+func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) {
// Create the parent state database
- block := api.eth.blockchain.GetBlockByHash(blockHash)
- if block == nil {
- return nil, vm.Context{}, nil, fmt.Errorf("block %#x not found", blockHash)
- }
parent := api.eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1)
if parent == nil {
return nil, vm.Context{}, nil, fmt.Errorf("parent %#x not found", block.ParentHash())
@@ -818,12 +858,12 @@ func (api *PrivateDebugAPI) computeTxEnv(blockHash common.Hash, txIndex int, ree
}
// Not yet the searched for transaction, execute on top of the current state
vmenv := vm.NewEVM(context, statedb, api.eth.blockchain.Config(), vm.Config{})
- if _, _, _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
+ if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
return nil, vm.Context{}, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
}
// Ensure any modifications are committed to the state
// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
statedb.Finalise(vmenv.ChainConfig().IsEIP158(block.Number()))
}
- return nil, vm.Context{}, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, blockHash)
+ return nil, vm.Context{}, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, block.Hash())
}
diff --git a/eth/backend.go b/eth/backend.go
index 773f48e..728ec4d 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -26,12 +26,12 @@ import (
//"sync/atomic"
"github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/coreth/accounts/abi/bind"
"github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/consensus/clique"
"github.com/ava-labs/coreth/consensus/dummy"
"github.com/ava-labs/coreth/consensus/ethash"
"github.com/ava-labs/coreth/core"
+ "github.com/ava-labs/coreth/core/bloombits"
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
@@ -42,26 +42,17 @@ import (
"github.com/ava-labs/coreth/node"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/core/bloombits"
- "github.com/ava-labs/go-ethereum/eth/downloader"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/p2p"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/enode"
+ "github.com/ethereum/go-ethereum/rlp"
)
-type LesServer interface {
- Start(srvr *p2p.Server)
- Stop()
- APIs() []rpc.API
- Protocols() []p2p.Protocol
- SetBloomBitsIndexer(bbIndexer *core.ChainIndexer)
- SetContractBackend(bind.ContractBackend)
-}
-
type BackendCallbacks struct {
OnQueryAcceptedBlock func() *types.Block
}
@@ -70,16 +61,11 @@ type BackendCallbacks struct {
type Ethereum struct {
config *Config
- // Channel for shutting down the service
- shutdownChan chan bool
-
- server *p2p.Server
-
// Handlers
txPool *core.TxPool
blockchain *core.BlockChain
//protocolManager *ProtocolManager
- lesServer LesServer
+ dialCandidates enode.Iterator
// DB interfaces
chainDb ethdb.Database // Block chain database
@@ -88,8 +74,9 @@ type Ethereum struct {
engine consensus.Engine
accountManager *accounts.Manager
- bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
- bloomIndexer *core.ChainIndexer // Bloom indexer operating during block imports
+ bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
+ bloomIndexer *core.ChainIndexer // Bloom indexer operating during block imports
+ closeBloomHandler chan struct{}
APIBackend *EthAPIBackend
@@ -100,28 +87,17 @@ type Ethereum struct {
networkID uint64
netRPCService *ethapi.PublicNetAPI
+ p2pServer *p2p.Server
+
lock sync.RWMutex // Protects the variadic fields (e.g. gas price and etherbase)
txSubmitChan chan struct{}
bcb *BackendCallbacks
}
-func (s *Ethereum) AddLesServer(ls LesServer) {
- s.lesServer = ls
- ls.SetBloomBitsIndexer(s.bloomIndexer)
-}
-
-// SetClient sets a rpc client which connecting to our local node.
-func (s *Ethereum) SetContractBackend(backend bind.ContractBackend) {
- // Pass the rpc client to les server if it is enabled.
- if s.lesServer != nil {
- s.lesServer.SetContractBackend(backend)
- }
-}
-
// New creates a new Ethereum object (including the
// initialisation of the common Ethereum object)
-func New(ctx *node.ServiceContext, config *Config,
+func New(stack *node.Node, config *Config,
cb *dummy.ConsensusCallbacks,
mcb *miner.MinerCallbacks,
bcb *BackendCallbacks,
@@ -138,7 +114,12 @@ func New(ctx *node.ServiceContext, config *Config,
config.Miner.GasPrice = new(big.Int).Set(DefaultConfig.Miner.GasPrice)
}
if config.NoPruning && config.TrieDirtyCache > 0 {
- config.TrieCleanCache += config.TrieDirtyCache
+ if config.SnapshotCache > 0 {
+ config.TrieCleanCache += config.TrieDirtyCache * 3 / 5
+ config.SnapshotCache += config.TrieDirtyCache * 2 / 5
+ } else {
+ config.TrieCleanCache += config.TrieDirtyCache
+ }
config.TrieDirtyCache = 0
}
log.Info("Allocated trie memory caches", "clean", common.StorageSize(config.TrieCleanCache)*1024*1024, "dirty", common.StorageSize(config.TrieDirtyCache)*1024*1024)
@@ -146,31 +127,32 @@ func New(ctx *node.ServiceContext, config *Config,
var err error
if chainDb == nil {
// Assemble the Ethereum object
- chainDb, err = ctx.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/")
+ chainDb, err = stack.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/")
if err != nil {
return nil, err
}
}
- chainConfig, genesisHash, genesisErr := core.SetupGenesisBlockWithOverride(chainDb, config.Genesis, config.OverrideIstanbul)
+ chainConfig, genesisHash, genesisErr := core.SetupGenesisBlock(chainDb, config.Genesis)
if _, ok := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !ok {
return nil, genesisErr
}
log.Info("Initialised chain configuration", "config", chainConfig)
eth := &Ethereum{
- config: config,
- chainDb: chainDb,
- eventMux: ctx.EventMux,
- accountManager: ctx.AccountManager,
- engine: CreateConsensusEngine(ctx, chainConfig, &config.Ethash, config.Miner.Notify, config.Miner.Noverify, chainDb, cb),
- shutdownChan: make(chan bool),
- networkID: config.NetworkId,
- gasPrice: config.Miner.GasPrice,
- etherbase: config.Miner.Etherbase,
- bloomRequests: make(chan chan *bloombits.Retrieval),
- bloomIndexer: NewBloomIndexer(chainDb, params.BloomBitsBlocks, params.BloomConfirms),
- txSubmitChan: make(chan struct{}, 1),
- bcb: bcb,
+ config: config,
+ chainDb: chainDb,
+ eventMux: stack.EventMux(),
+ accountManager: stack.AccountManager(),
+ engine: CreateConsensusEngine(stack, chainConfig, &config.Ethash, config.Miner.Notify, config.Miner.Noverify, chainDb, cb),
+ closeBloomHandler: make(chan struct{}),
+ networkID: config.NetworkId,
+ gasPrice: config.Miner.GasPrice,
+ etherbase: config.Miner.Etherbase,
+ bloomRequests: make(chan chan *bloombits.Retrieval),
+ bloomIndexer: NewBloomIndexer(chainDb, params.BloomBitsBlocks, params.BloomConfirms),
+ p2pServer: stack.Server(),
+ txSubmitChan: make(chan struct{}, 1),
+ bcb: bcb,
}
bcVersion := rawdb.ReadDatabaseVersion(chainDb)
@@ -196,13 +178,16 @@ func New(ctx *node.ServiceContext, config *Config,
}
cacheConfig = &core.CacheConfig{
TrieCleanLimit: config.TrieCleanCache,
+ TrieCleanJournal: stack.ResolvePath(config.TrieCleanCacheJournal),
+ TrieCleanRejournal: config.TrieCleanCacheRejournal,
TrieCleanNoPrefetch: config.NoPrefetch,
TrieDirtyLimit: config.TrieDirtyCache,
TrieDirtyDisabled: config.NoPruning,
TrieTimeLimit: config.TrieTimeout,
+ SnapshotLimit: config.SnapshotCache,
}
)
- eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, chainConfig, eth.engine, vmConfig, eth.shouldPreserve, config.ManualCanonical)
+ eth.blockchain, err = core.NewBlockChain(chainDb, cacheConfig, chainConfig, eth.engine, vmConfig, eth.shouldPreserve, &config.TxLookupLimit, config.ManualCanonical)
if err != nil {
return nil, err
}
@@ -215,12 +200,12 @@ func New(ctx *node.ServiceContext, config *Config,
eth.bloomIndexer.Start(eth.blockchain)
if config.TxPool.Journal != "" {
- config.TxPool.Journal = ctx.ResolvePath(config.TxPool.Journal)
+ config.TxPool.Journal = stack.ResolvePath(config.TxPool.Journal)
}
eth.txPool = core.NewTxPool(config.TxPool, chainConfig, eth.blockchain)
//// Permit the downloader to use the trie cache allowance during fast sync
- //cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit
+ //cacheLimit := cacheConfig.TrieCleanLimit + cacheConfig.TrieDirtyLimit + cacheConfig.SnapshotLimit
//checkpoint := config.Checkpoint
//if checkpoint == nil {
// checkpoint = params.TrustedCheckpoints[genesisHash]
@@ -231,13 +216,25 @@ func New(ctx *node.ServiceContext, config *Config,
eth.miner = miner.New(eth, &config.Miner, chainConfig, eth.EventMux(), eth.engine, eth.isLocalBlock, mcb)
eth.miner.SetExtra(makeExtraData(config.Miner.ExtraData))
- eth.APIBackend = &EthAPIBackend{ctx.ExtRPCEnabled(), eth, nil}
+ eth.APIBackend = &EthAPIBackend{stack.Config().ExtRPCEnabled(), eth, nil}
gpoParams := config.GPO
if gpoParams.Default == nil {
gpoParams.Default = config.Miner.GasPrice
}
eth.APIBackend.gpo = gasprice.NewOracle(eth.APIBackend, gpoParams)
+ //eth.dialCandidates, err = eth.setupDiscovery(&stack.Config().P2P)
+ if err != nil {
+ return nil, err
+ }
+
+ // Start the RPC service
+ eth.netRPCService = ethapi.NewPublicNetAPI(eth.p2pServer, eth.NetVersion())
+
+ // Register the backend on the node
+ stack.RegisterAPIs(eth.APIs())
+ //stack.RegisterProtocols(eth.Protocols())
+ //stack.RegisterLifecycle(eth)
return eth, nil
}
@@ -259,7 +256,7 @@ func makeExtraData(extra []byte) []byte {
}
// CreateConsensusEngine creates the required type of consensus engine instance for an Ethereum service
-func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainConfig, config *ethash.Config, notify []string, noverify bool, db ethdb.Database, cb *dummy.ConsensusCallbacks) consensus.Engine {
+func CreateConsensusEngine(stack *node.Node, chainConfig *params.ChainConfig, config *ethash.Config, notify []string, noverify bool, db ethdb.Database, cb *dummy.ConsensusCallbacks) consensus.Engine {
return dummy.NewDummyEngine(cb)
}
@@ -268,18 +265,9 @@ func CreateConsensusEngine(ctx *node.ServiceContext, chainConfig *params.ChainCo
func (s *Ethereum) APIs() []rpc.API {
apis := ethapi.GetAPIs(s.APIBackend)
- // Append any APIs exposed explicitly by the les server
- if s.lesServer != nil {
- apis = append(apis, s.lesServer.APIs()...)
- }
// Append any APIs exposed explicitly by the consensus engine
apis = append(apis, s.engine.APIs(s.BlockChain())...)
- // Append any APIs exposed explicitly by the les server
- if s.lesServer != nil {
- apis = append(apis, s.lesServer.APIs()...)
- }
-
// Append all the local APIs and return
return append(apis, []rpc.API{
{
@@ -487,77 +475,68 @@ func (s *Ethereum) NetVersion() uint64 { return s.networkID }
func (s *Ethereum) Downloader() *downloader.Downloader { return nil } // s.protocolManager.downloader }
func (s *Ethereum) Synced() bool { return true } // atomic.LoadUint32(&s.protocolManager.acceptTxs) == 1 }
func (s *Ethereum) ArchiveMode() bool { return s.config.NoPruning }
+func (s *Ethereum) BloomIndexer() *core.ChainIndexer { return s.bloomIndexer }
-// Protocols implements node.Service, returning all the currently configured
+// Protocols returns all the currently configured
// network protocols to start.
func (s *Ethereum) Protocols() []p2p.Protocol {
protos := make([]p2p.Protocol, len(ProtocolVersions))
//for i, vsn := range ProtocolVersions {
// protos[i] = s.protocolManager.makeProtocol(vsn)
// protos[i].Attributes = []enr.Entry{s.currentEthEntry()}
- //}
- //if s.lesServer != nil {
- // protos = append(protos, s.lesServer.Protocols()...)
+ // protos[i].DialCandidates = s.dialCandidates
//}
return protos
}
-// Start implements node.Service, starting all internal goroutines needed by the
+// Start implements node.Lifecycle, starting all internal goroutines needed by the
// Ethereum protocol implementation.
-func (s *Ethereum) Start(srvr *p2p.Server) error {
- //s.startEthEntryUpdate(srvr.LocalNode())
+func (s *Ethereum) Start() error {
+ //s.startEthEntryUpdate(s.p2pServer.LocalNode())
// Start the bloom bits servicing goroutines
s.startBloomHandlers(params.BloomBitsBlocks)
- // Start the RPC service
- s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.NetVersion())
-
// Figure out a max peers count based on the server limits
- maxPeers := srvr.MaxPeers
+ maxPeers := s.p2pServer.MaxPeers
if s.config.LightServ > 0 {
- if s.config.LightPeers >= srvr.MaxPeers {
- return fmt.Errorf("invalid peer config: light peer count (%d) >= total peer count (%d)", s.config.LightPeers, srvr.MaxPeers)
+ if s.config.LightPeers >= s.p2pServer.MaxPeers {
+ return fmt.Errorf("invalid peer config: light peer count (%d) >= total peer count (%d)", s.config.LightPeers, s.p2pServer.MaxPeers)
}
maxPeers -= s.config.LightPeers
}
// Start the networking layer and the light server if requested
//s.protocolManager.Start(maxPeers)
- //if s.lesServer != nil {
- // s.lesServer.Start(srvr)
- //}
return nil
}
-// Stop implements node.Service, terminating all internal goroutines used by the
+// Stop implements node.Lifecycle, terminating all internal goroutines used by the
// Ethereum protocol.
func (s *Ethereum) Stop() error {
- s.bloomIndexer.Close()
- s.blockchain.Stop()
- s.engine.Close()
+ // Stop all the peer-related stuff first.
//s.protocolManager.Stop()
- //if s.lesServer != nil {
- // s.lesServer.Stop()
- //}
+
+ // Then stop everything else.
+ s.bloomIndexer.Close()
+ close(s.closeBloomHandler)
s.txPool.Stop()
s.miner.Stop()
- s.eventMux.Stop()
-
+ s.blockchain.Stop()
+ s.engine.Close()
s.chainDb.Close()
- close(s.shutdownChan)
+ s.eventMux.Stop()
return nil
}
func (s *Ethereum) StopPart() error {
s.bloomIndexer.Close()
- s.blockchain.Stop()
- s.engine.Close()
+ close(s.closeBloomHandler)
s.txPool.Stop()
s.miner.Stop()
- s.eventMux.Stop()
-
+ s.blockchain.Stop()
+ s.engine.Close()
s.chainDb.Close()
- close(s.shutdownChan)
+ s.eventMux.Stop()
return nil
}
diff --git a/eth/bloombits.go b/eth/bloombits.go
index 7136c29..a6b51a2 100644
--- a/eth/bloombits.go
+++ b/eth/bloombits.go
@@ -24,9 +24,9 @@ import (
"github.com/ava-labs/coreth/core/bloombits"
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/bitutil"
- "github.com/ava-labs/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/bitutil"
+ "github.com/ethereum/go-ethereum/ethdb"
)
const (
@@ -54,7 +54,7 @@ func (eth *Ethereum) startBloomHandlers(sectionSize uint64) {
go func() {
for {
select {
- case <-eth.shutdownChan:
+ case <-eth.closeBloomHandler:
return
case request := <-eth.bloomRequests:
@@ -136,3 +136,8 @@ func (b *BloomIndexer) Commit() error {
}
return batch.Write()
}
+
+// Prune returns an empty error since we don't support pruning here.
+func (b *BloomIndexer) Prune(threshold uint64) error {
+ return nil
+}
diff --git a/eth/config.go b/eth/config.go
index 18dbd8e..5354ca1 100644
--- a/eth/config.go
+++ b/eth/config.go
@@ -30,39 +30,58 @@ import (
"github.com/ava-labs/coreth/eth/gasprice"
"github.com/ava-labs/coreth/miner"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/eth/downloader"
)
+// DefaultFullGPOConfig contains default gasprice oracle settings for full node.
+var DefaultFullGPOConfig = gasprice.Config{
+ Blocks: 20,
+ Percentile: 60,
+ MaxPrice: gasprice.DefaultMaxPrice,
+}
+
+// DefaultLightGPOConfig contains default gasprice oracle settings for light client.
+var DefaultLightGPOConfig = gasprice.Config{
+ Blocks: 2,
+ Percentile: 60,
+ MaxPrice: gasprice.DefaultMaxPrice,
+}
+
// DefaultConfig contains default settings for use on the Ethereum main net.
var DefaultConfig = Config{
SyncMode: downloader.FastSync,
Ethash: ethash.Config{
- CacheDir: "ethash",
- CachesInMem: 2,
- CachesOnDisk: 3,
- DatasetsInMem: 1,
- DatasetsOnDisk: 2,
+ CacheDir: "ethash",
+ CachesInMem: 2,
+ CachesOnDisk: 3,
+ CachesLockMmap: false,
+ DatasetsInMem: 1,
+ DatasetsOnDisk: 2,
+ DatasetsLockMmap: false,
},
- NetworkId: 1,
- LightPeers: 100,
- UltraLightFraction: 75,
- DatabaseCache: 512,
- TrieCleanCache: 256,
- TrieDirtyCache: 256,
- TrieTimeout: 60 * time.Minute,
+ NetworkId: 1,
+ LightPeers: 100,
+ UltraLightFraction: 75,
+ DatabaseCache: 512,
+ TrieCleanCache: 154,
+ TrieCleanCacheJournal: "triecache",
+ TrieCleanCacheRejournal: 60 * time.Minute,
+ TrieDirtyCache: 256,
+ TrieTimeout: 60 * time.Minute,
+ SnapshotCache: 102,
Miner: miner.Config{
GasFloor: 8000000,
GasCeil: 8000000,
GasPrice: big.NewInt(params.GWei),
Recommit: 3 * time.Second,
},
- TxPool: core.DefaultTxPoolConfig,
- GPO: gasprice.Config{
- Blocks: 20,
- Percentile: 60,
- },
+ TxPool: core.DefaultTxPoolConfig,
+ RPCGasCap: 25000000,
+ GPO: DefaultFullGPOConfig,
+ RPCTxFeeCap: 1, // 1 ether
+
ManualCanonical: false,
}
@@ -98,17 +117,24 @@ type Config struct {
NetworkId uint64 // Network ID to use for selecting peers to connect to
SyncMode downloader.SyncMode
+ // This can be set to list of enrtree:// URLs which will be queried for
+ // for nodes to connect to.
+ DiscoveryURLs []string
+
NoPruning bool // Whether to disable pruning and flush everything to disk
NoPrefetch bool // Whether to disable prefetching and only load state on demand
+ TxLookupLimit uint64 `toml:",omitempty"` // The maximum number of blocks from head whose tx indices are reserved.
+
// Whitelist of required block number -> hash values to accept
Whitelist map[uint64]common.Hash `toml:"-"`
// Light client options
- LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
- LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers
- LightEgress int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
- LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
+ LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
+ LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers
+ LightEgress int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
+ LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
+ LightNoPrune bool `toml:",omitempty"` // Whether to disable light chain pruning
// Ultra Light client options
UltraLightServers []string `toml:",omitempty"` // List of trusted ultra light servers
@@ -121,9 +147,12 @@ type Config struct {
DatabaseCache int
DatabaseFreezer string
- TrieCleanCache int
- TrieDirtyCache int
- TrieTimeout time.Duration
+ TrieCleanCache int
+ TrieCleanCacheJournal string `toml:",omitempty"` // Disk journal directory for trie cache to survive node restarts
+ TrieCleanCacheRejournal time.Duration `toml:",omitempty"` // Time interval to regenerate the journal for clean cache
+ TrieDirtyCache int
+ TrieTimeout time.Duration
+ SnapshotCache int
// Mining options
Miner miner.Config
@@ -150,7 +179,11 @@ type Config struct {
EVMInterpreter string
// RPCGasCap is the global gas cap for eth-call variants.
- RPCGasCap *big.Int `toml:",omitempty"`
+ RPCGasCap uint64 `toml:",omitempty"`
+
+ // RPCTxFeeCap is the global transaction fee(price * gaslimit) cap for
+ // send-transction variants. The unit is ether.
+ RPCTxFeeCap float64 `toml:",omitempty"`
// Checkpoint is a hardcoded checkpoint which can be nil.
Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
@@ -158,9 +191,6 @@ type Config struct {
// CheckpointOracle is the configuration for checkpoint oracle.
CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
- // Istanbul block override (TODO: remove after the fork)
- OverrideIstanbul *big.Int
-
// Manually select and grow the canonical chain
ManualCanonical bool
}
@@ -191,7 +221,7 @@ func MyDefaultConfig() Config {
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(0),
Ethash: nil,
}
genBalance := big.NewInt(1000000000000000000)
diff --git a/eth/filters/api.go b/eth/filters/api.go
index a1d0b21..71e6454 100644
--- a/eth/filters/api.go
+++ b/eth/filters/api.go
@@ -27,11 +27,11 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/rpc"
- ethereum "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
+ ethereum "github.com/ethereum/go-ethereum"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
)
var (
@@ -65,9 +65,8 @@ type PublicFilterAPI struct {
func NewPublicFilterAPI(backend Backend, lightMode bool) *PublicFilterAPI {
api := &PublicFilterAPI{
backend: backend,
- mux: backend.EventMux(),
chainDb: backend.ChainDb(),
- events: NewEventSystem(backend.EventMux(), backend, lightMode),
+ events: NewEventSystem(backend, lightMode),
filters: make(map[rpc.ID]*filter),
}
go api.timeoutLoop()
@@ -79,6 +78,7 @@ func NewPublicFilterAPI(backend Backend, lightMode bool) *PublicFilterAPI {
// Tt is started when the api is created.
func (api *PublicFilterAPI) timeoutLoop() {
ticker := time.NewTicker(5 * time.Minute)
+ defer ticker.Stop()
for {
<-ticker.C
api.filtersMu.Lock()
@@ -428,7 +428,7 @@ func (api *PublicFilterAPI) GetFilterChanges(id rpc.ID) (interface{}, error) {
hashes := f.hashes
f.hashes = nil
return returnHashes(hashes), nil
- case LogsSubscription:
+ case LogsSubscription, MinedAndPendingLogsSubscription:
logs := f.logs
f.logs = nil
return returnLogs(logs), nil
diff --git a/eth/filters/filter.go b/eth/filters/filter.go
index 6d4a74d..48a76c7 100644
--- a/eth/filters/filter.go
+++ b/eth/filters/filter.go
@@ -22,17 +22,16 @@ import (
"math/big"
"github.com/ava-labs/coreth/core"
+ "github.com/ava-labs/coreth/core/bloombits"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/core/bloombits"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
)
type Backend interface {
ChainDb() ethdb.Database
- EventMux() *event.TypeMux
HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)
HeaderByHash(ctx context.Context, blockHash common.Hash) (*types.Header, error)
GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
@@ -42,6 +41,7 @@ type Backend interface {
SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
+ SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
BloomStatus() (uint64, uint64)
ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
@@ -210,7 +210,7 @@ func (f *Filter) indexedLogs(ctx context.Context, end uint64) ([]*types.Log, err
}
}
-// indexedLogs returns the logs matching the filter criteria based on raw block
+// unindexedLogs returns the logs matching the filter criteria based on raw block
// iteration and bloom matching.
func (f *Filter) unindexedLogs(ctx context.Context, end uint64) ([]*types.Log, error) {
var logs []*types.Log
diff --git a/eth/filters/filter_system.go b/eth/filters/filter_system.go
index 41427c7..1c0f1bf 100644
--- a/eth/filters/filter_system.go
+++ b/eth/filters/filter_system.go
@@ -20,7 +20,6 @@ package filters
import (
"context"
- "errors"
"fmt"
"sync"
"time"
@@ -29,10 +28,10 @@ import (
"github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/rpc"
- ethereum "github.com/ava-labs/go-ethereum"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
+ ethereum "github.com/ethereum/go-ethereum"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
)
// Type determines the kind of filter and is used to put the filter in to
@@ -58,7 +57,6 @@ const (
)
const (
-
// txChanSize is the size of channel listening to NewTxsEvent.
// The number is referenced from the size of tx pool.
txChanSize = 4096
@@ -70,10 +68,6 @@ const (
chainEvChanSize = 10
)
-var (
- ErrInvalidSubscriptionID = errors.New("invalid id")
-)
-
type subscription struct {
id rpc.ID
typ Type
@@ -89,25 +83,25 @@ type subscription struct {
// EventSystem creates subscriptions, processes events and broadcasts them to the
// subscription which match the subscription criteria.
type EventSystem struct {
- mux *event.TypeMux
backend Backend
lightMode bool
lastHead *types.Header
// Subscriptions
- txsSub event.Subscription // Subscription for new transaction event
- logsSub event.Subscription // Subscription for new log event
- rmLogsSub event.Subscription // Subscription for removed log event
- chainSub event.Subscription // Subscription for new chain event
- pendingLogSub *event.TypeMuxSubscription // Subscription for pending log event
+ txsSub event.Subscription // Subscription for new transaction event
+ logsSub event.Subscription // Subscription for new log event
+ rmLogsSub event.Subscription // Subscription for removed log event
+ pendingLogsSub event.Subscription // Subscription for pending log event
+ chainSub event.Subscription // Subscription for new chain event
// Channels
- install chan *subscription // install filter for event notification
- uninstall chan *subscription // remove filter for event notification
- txsCh chan core.NewTxsEvent // Channel to receive new transactions event
- logsCh chan []*types.Log // Channel to receive new log event
- rmLogsCh chan core.RemovedLogsEvent // Channel to receive removed log event
- chainCh chan core.ChainEvent // Channel to receive new chain event
+ install chan *subscription // install filter for event notification
+ uninstall chan *subscription // remove filter for event notification
+ txsCh chan core.NewTxsEvent // Channel to receive new transactions event
+ logsCh chan []*types.Log // Channel to receive new log event
+ pendingLogsCh chan []*types.Log // Channel to receive new log event
+ rmLogsCh chan core.RemovedLogsEvent // Channel to receive removed log event
+ chainCh chan core.ChainEvent // Channel to receive new chain event
}
// NewEventSystem creates a new manager that listens for event on the given mux,
@@ -116,17 +110,17 @@ type EventSystem struct {
//
// The returned manager has a loop that needs to be stopped with the Stop function
// or by stopping the given mux.
-func NewEventSystem(mux *event.TypeMux, backend Backend, lightMode bool) *EventSystem {
+func NewEventSystem(backend Backend, lightMode bool) *EventSystem {
m := &EventSystem{
- mux: mux,
- backend: backend,
- lightMode: lightMode,
- install: make(chan *subscription),
- uninstall: make(chan *subscription),
- txsCh: make(chan core.NewTxsEvent, txChanSize),
- logsCh: make(chan []*types.Log, logsChanSize),
- rmLogsCh: make(chan core.RemovedLogsEvent, rmLogsChanSize),
- chainCh: make(chan core.ChainEvent, chainEvChanSize),
+ backend: backend,
+ lightMode: lightMode,
+ install: make(chan *subscription),
+ uninstall: make(chan *subscription),
+ txsCh: make(chan core.NewTxsEvent, txChanSize),
+ logsCh: make(chan []*types.Log, logsChanSize),
+ rmLogsCh: make(chan core.RemovedLogsEvent, rmLogsChanSize),
+ pendingLogsCh: make(chan []*types.Log, logsChanSize),
+ chainCh: make(chan core.ChainEvent, chainEvChanSize),
}
// Subscribe events
@@ -134,12 +128,10 @@ func NewEventSystem(mux *event.TypeMux, backend Backend, lightMode bool) *EventS
m.logsSub = m.backend.SubscribeLogsEvent(m.logsCh)
m.rmLogsSub = m.backend.SubscribeRemovedLogsEvent(m.rmLogsCh)
m.chainSub = m.backend.SubscribeChainEvent(m.chainCh)
- // TODO(rjl493456442): use feed to subscribe pending log event
- m.pendingLogSub = m.mux.Subscribe(core.PendingLogsEvent{})
+ m.pendingLogsSub = m.backend.SubscribePendingLogsEvent(m.pendingLogsCh)
// Make sure none of the subscriptions are empty
- if m.txsSub == nil || m.logsSub == nil || m.rmLogsSub == nil || m.chainSub == nil ||
- m.pendingLogSub.Closed() {
+ if m.txsSub == nil || m.logsSub == nil || m.rmLogsSub == nil || m.chainSub == nil || m.pendingLogsSub == nil {
log.Crit("Subscribe for event system failed")
}
@@ -316,58 +308,61 @@ func (es *EventSystem) SubscribePendingTxs(hashes chan []common.Hash) *Subscript
type filterIndex map[Type]map[rpc.ID]*subscription
-// broadcast event to filters that match criteria.
-func (es *EventSystem) broadcast(filters filterIndex, ev interface{}) {
- if ev == nil {
+func (es *EventSystem) handleLogs(filters filterIndex, ev []*types.Log) {
+ if len(ev) == 0 {
return
}
+ for _, f := range filters[LogsSubscription] {
+ matchedLogs := filterLogs(ev, f.logsCrit.FromBlock, f.logsCrit.ToBlock, f.logsCrit.Addresses, f.logsCrit.Topics)
+ if len(matchedLogs) > 0 {
+ f.logs <- matchedLogs
+ }
+ }
+}
- switch e := ev.(type) {
- case []*types.Log:
- if len(e) > 0 {
- for _, f := range filters[LogsSubscription] {
- if matchedLogs := filterLogs(e, f.logsCrit.FromBlock, f.logsCrit.ToBlock, f.logsCrit.Addresses, f.logsCrit.Topics); len(matchedLogs) > 0 {
- f.logs <- matchedLogs
- }
- }
+func (es *EventSystem) handlePendingLogs(filters filterIndex, ev []*types.Log) {
+ if len(ev) == 0 {
+ return
+ }
+ for _, f := range filters[PendingLogsSubscription] {
+ matchedLogs := filterLogs(ev, nil, f.logsCrit.ToBlock, f.logsCrit.Addresses, f.logsCrit.Topics)
+ if len(matchedLogs) > 0 {
+ f.logs <- matchedLogs
}
- case core.RemovedLogsEvent:
- for _, f := range filters[LogsSubscription] {
- if matchedLogs := filterLogs(e.Logs, f.logsCrit.FromBlock, f.logsCrit.ToBlock, f.logsCrit.Addresses, f.logsCrit.Topics); len(matchedLogs) > 0 {
- f.logs <- matchedLogs
- }
+ }
+}
+
+func (es *EventSystem) handleRemovedLogs(filters filterIndex, ev core.RemovedLogsEvent) {
+ for _, f := range filters[LogsSubscription] {
+ matchedLogs := filterLogs(ev.Logs, f.logsCrit.FromBlock, f.logsCrit.ToBlock, f.logsCrit.Addresses, f.logsCrit.Topics)
+ if len(matchedLogs) > 0 {
+ f.logs <- matchedLogs
}
- case *event.TypeMuxEvent:
- if muxe, ok := e.Data.(core.PendingLogsEvent); ok {
- for _, f := range filters[PendingLogsSubscription] {
- if e.Time.After(f.created) {
- if matchedLogs := filterLogs(muxe.Logs, nil, f.logsCrit.ToBlock, f.logsCrit.Addresses, f.logsCrit.Topics); len(matchedLogs) > 0 {
- f.logs <- matchedLogs
- }
+ }
+}
+
+func (es *EventSystem) handleTxsEvent(filters filterIndex, ev core.NewTxsEvent) {
+ hashes := make([]common.Hash, 0, len(ev.Txs))
+ for _, tx := range ev.Txs {
+ hashes = append(hashes, tx.Hash())
+ }
+ for _, f := range filters[PendingTransactionsSubscription] {
+ f.hashes <- hashes
+ }
+}
+
+func (es *EventSystem) handleChainEvent(filters filterIndex, ev core.ChainEvent) {
+ for _, f := range filters[BlocksSubscription] {
+ f.headers <- ev.Block.Header()
+ }
+ if es.lightMode && len(filters[LogsSubscription]) > 0 {
+ es.lightFilterNewHead(ev.Block.Header(), func(header *types.Header, remove bool) {
+ for _, f := range filters[LogsSubscription] {
+ if matchedLogs := es.lightFilterLogs(header, f.logsCrit.Addresses, f.logsCrit.Topics, remove); len(matchedLogs) > 0 {
+ f.logs <- matchedLogs
}
}
- }
- case core.NewTxsEvent:
- hashes := make([]common.Hash, 0, len(e.Txs))
- for _, tx := range e.Txs {
- hashes = append(hashes, tx.Hash())
- }
- for _, f := range filters[PendingTransactionsSubscription] {
- f.hashes <- hashes
- }
- case core.ChainEvent:
- for _, f := range filters[BlocksSubscription] {
- f.headers <- e.Block.Header()
- }
- if es.lightMode && len(filters[LogsSubscription]) > 0 {
- es.lightFilterNewHead(e.Block.Header(), func(header *types.Header, remove bool) {
- for _, f := range filters[LogsSubscription] {
- if matchedLogs := es.lightFilterLogs(header, f.logsCrit.Addresses, f.logsCrit.Topics, remove); len(matchedLogs) > 0 {
- f.logs <- matchedLogs
- }
- }
- })
- }
+ })
}
}
@@ -448,10 +443,10 @@ func (es *EventSystem) lightFilterLogs(header *types.Header, addresses []common.
func (es *EventSystem) eventLoop() {
// Ensure all subscriptions get cleaned up
defer func() {
- es.pendingLogSub.Unsubscribe()
es.txsSub.Unsubscribe()
es.logsSub.Unsubscribe()
es.rmLogsSub.Unsubscribe()
+ es.pendingLogsSub.Unsubscribe()
es.chainSub.Unsubscribe()
}()
@@ -462,20 +457,16 @@ func (es *EventSystem) eventLoop() {
for {
select {
- // Handle subscribed events
case ev := <-es.txsCh:
- es.broadcast(index, ev)
+ es.handleTxsEvent(index, ev)
case ev := <-es.logsCh:
- es.broadcast(index, ev)
+ es.handleLogs(index, ev)
case ev := <-es.rmLogsCh:
- es.broadcast(index, ev)
+ es.handleRemovedLogs(index, ev)
+ case ev := <-es.pendingLogsCh:
+ es.handlePendingLogs(index, ev)
case ev := <-es.chainCh:
- es.broadcast(index, ev)
- case ev, active := <-es.pendingLogSub.Chan():
- if !active { // system stopped
- return
- }
- es.broadcast(index, ev)
+ es.handleChainEvent(index, ev)
case f := <-es.install:
if f.typ == MinedAndPendingLogsSubscription {
diff --git a/eth/gasprice/gasprice.go b/eth/gasprice/gasprice.go
index 23e49a6..14f50b1 100644
--- a/eth/gasprice/gasprice.go
+++ b/eth/gasprice/gasprice.go
@@ -23,123 +23,144 @@ import (
"sync"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/coreth/internal/ethapi"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
)
-var maxPrice = big.NewInt(500 * params.GWei)
+const sampleNumber = 3 // Number of transactions sampled in a block
+
+var DefaultMaxPrice = big.NewInt(500 * params.GWei)
type Config struct {
Blocks int
Percentile int
Default *big.Int `toml:",omitempty"`
+ MaxPrice *big.Int `toml:",omitempty"`
+}
+
+// OracleBackend includes all necessary background APIs for oracle.
+type OracleBackend interface {
+ HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
+ BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
+ ChainConfig() *params.ChainConfig
}
// Oracle recommends gas prices based on the content of recent
// blocks. Suitable for both light and full clients.
type Oracle struct {
- backend ethapi.Backend
+ backend OracleBackend
lastHead common.Hash
lastPrice *big.Int
+ maxPrice *big.Int
cacheLock sync.RWMutex
fetchLock sync.Mutex
- checkBlocks, maxEmpty, maxBlocks int
- percentile int
+ checkBlocks int
+ percentile int
}
-// NewOracle returns a new oracle.
-func NewOracle(backend ethapi.Backend, params Config) *Oracle {
+// NewOracle returns a new gasprice oracle which can recommend suitable
+// gasprice for newly created transaction.
+func NewOracle(backend OracleBackend, params Config) *Oracle {
blocks := params.Blocks
if blocks < 1 {
blocks = 1
+ log.Warn("Sanitizing invalid gasprice oracle sample blocks", "provided", params.Blocks, "updated", blocks)
}
percent := params.Percentile
if percent < 0 {
percent = 0
+ log.Warn("Sanitizing invalid gasprice oracle sample percentile", "provided", params.Percentile, "updated", percent)
}
if percent > 100 {
percent = 100
+ log.Warn("Sanitizing invalid gasprice oracle sample percentile", "provided", params.Percentile, "updated", percent)
+ }
+ maxPrice := params.MaxPrice
+ if maxPrice == nil || maxPrice.Int64() <= 0 {
+ maxPrice = DefaultMaxPrice
+ log.Warn("Sanitizing invalid gasprice oracle price cap", "provided", params.MaxPrice, "updated", maxPrice)
}
return &Oracle{
backend: backend,
lastPrice: params.Default,
+ maxPrice: maxPrice,
checkBlocks: blocks,
- maxEmpty: blocks / 2,
- maxBlocks: blocks * 5,
percentile: percent,
}
}
-// SuggestPrice returns the recommended gas price.
+// SuggestPrice returns a gasprice so that newly created transaction can
+// have a very high chance to be included in the following blocks.
func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
- gpo.cacheLock.RLock()
- lastHead := gpo.lastHead
- lastPrice := gpo.lastPrice
- gpo.cacheLock.RUnlock()
-
head, _ := gpo.backend.HeaderByNumber(ctx, rpc.LatestBlockNumber)
headHash := head.Hash()
+
+ // If the latest gasprice is still available, return it.
+ gpo.cacheLock.RLock()
+ lastHead, lastPrice := gpo.lastHead, gpo.lastPrice
+ gpo.cacheLock.RUnlock()
if headHash == lastHead {
return lastPrice, nil
}
-
gpo.fetchLock.Lock()
defer gpo.fetchLock.Unlock()
- // try checking the cache again, maybe the last fetch fetched what we need
+ // Try checking the cache again, maybe the last fetch fetched what we need
gpo.cacheLock.RLock()
- lastHead = gpo.lastHead
- lastPrice = gpo.lastPrice
+ lastHead, lastPrice = gpo.lastHead, gpo.lastPrice
gpo.cacheLock.RUnlock()
if headHash == lastHead {
return lastPrice, nil
}
-
- blockNum := head.Number.Uint64()
- ch := make(chan getBlockPricesResult, gpo.checkBlocks)
- sent := 0
- exp := 0
- var blockPrices []*big.Int
- for sent < gpo.checkBlocks && blockNum > 0 {
- go gpo.getBlockPrices(ctx, types.MakeSigner(gpo.backend.ChainConfig(), big.NewInt(int64(blockNum))), blockNum, ch)
+ var (
+ sent, exp int
+ number = head.Number.Uint64()
+ result = make(chan getBlockPricesResult, gpo.checkBlocks)
+ quit = make(chan struct{})
+ txPrices []*big.Int
+ )
+ for sent < gpo.checkBlocks && number > 0 {
+ go gpo.getBlockPrices(ctx, types.MakeSigner(gpo.backend.ChainConfig(), big.NewInt(int64(number))), number, sampleNumber, result, quit)
sent++
exp++
- blockNum--
+ number--
}
- maxEmpty := gpo.maxEmpty
for exp > 0 {
- res := <-ch
+ res := <-result
if res.err != nil {
+ close(quit)
return lastPrice, res.err
}
exp--
- if res.price != nil {
- blockPrices = append(blockPrices, res.price)
- continue
- }
- if maxEmpty > 0 {
- maxEmpty--
- continue
+ // Nothing returned. There are two special cases here:
+ // - The block is empty
+ // - All the transactions included are sent by the miner itself.
+ // In these cases, use the latest calculated price for samping.
+ if len(res.prices) == 0 {
+ res.prices = []*big.Int{lastPrice}
}
- if blockNum > 0 && sent < gpo.maxBlocks {
- go gpo.getBlockPrices(ctx, types.MakeSigner(gpo.backend.ChainConfig(), big.NewInt(int64(blockNum))), blockNum, ch)
+ // Besides, in order to collect enough data for sampling, if nothing
+ // meaningful returned, try to query more blocks. But the maximum
+ // is 2*checkBlocks.
+ if len(res.prices) == 1 && len(txPrices)+1+exp < gpo.checkBlocks*2 && number > 0 {
+ go gpo.getBlockPrices(ctx, types.MakeSigner(gpo.backend.ChainConfig(), big.NewInt(int64(number))), number, sampleNumber, result, quit)
sent++
exp++
- blockNum--
+ number--
}
+ txPrices = append(txPrices, res.prices...)
}
price := lastPrice
- if len(blockPrices) > 0 {
- sort.Sort(bigIntArray(blockPrices))
- price = blockPrices[(len(blockPrices)-1)*gpo.percentile/100]
+ if len(txPrices) > 0 {
+ sort.Sort(bigIntArray(txPrices))
+ price = txPrices[(len(txPrices)-1)*gpo.percentile/100]
}
- if price.Cmp(maxPrice) > 0 {
- price = new(big.Int).Set(maxPrice)
+ if price.Cmp(gpo.maxPrice) > 0 {
+ price = new(big.Int).Set(gpo.maxPrice)
}
-
gpo.cacheLock.Lock()
gpo.lastHead = headHash
gpo.lastPrice = price
@@ -148,38 +169,48 @@ func (gpo *Oracle) SuggestPrice(ctx context.Context) (*big.Int, error) {
}
type getBlockPricesResult struct {
- price *big.Int
- err error
+ prices []*big.Int
+ err error
}
type transactionsByGasPrice []*types.Transaction
func (t transactionsByGasPrice) Len() int { return len(t) }
func (t transactionsByGasPrice) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
-func (t transactionsByGasPrice) Less(i, j int) bool { return t[i].GasPrice().Cmp(t[j].GasPrice()) < 0 }
+func (t transactionsByGasPrice) Less(i, j int) bool { return t[i].GasPriceCmp(t[j]) < 0 }
// getBlockPrices calculates the lowest transaction gas price in a given block
-// and sends it to the result channel. If the block is empty, price is nil.
-func (gpo *Oracle) getBlockPrices(ctx context.Context, signer types.Signer, blockNum uint64, ch chan getBlockPricesResult) {
+// and sends it to the result channel. If the block is empty or all transactions
+// are sent by the miner itself(it doesn't make any sense to include this kind of
+// transaction prices for sampling), nil gasprice is returned.
+func (gpo *Oracle) getBlockPrices(ctx context.Context, signer types.Signer, blockNum uint64, limit int, result chan getBlockPricesResult, quit chan struct{}) {
block, err := gpo.backend.BlockByNumber(ctx, rpc.BlockNumber(blockNum))
if block == nil {
- ch <- getBlockPricesResult{nil, err}
+ select {
+ case result <- getBlockPricesResult{nil, err}:
+ case <-quit:
+ }
return
}
-
blockTxs := block.Transactions()
txs := make([]*types.Transaction, len(blockTxs))
copy(txs, blockTxs)
sort.Sort(transactionsByGasPrice(txs))
+ var prices []*big.Int
for _, tx := range txs {
sender, err := types.Sender(signer, tx)
if err == nil && sender != block.Coinbase() {
- ch <- getBlockPricesResult{tx.GasPrice(), nil}
- return
+ prices = append(prices, tx.GasPrice())
+ if len(prices) >= limit {
+ break
+ }
}
}
- ch <- getBlockPricesResult{nil, nil}
+ select {
+ case result <- getBlockPricesResult{prices, nil}:
+ case <-quit:
+ }
}
type bigIntArray []*big.Int
diff --git a/eth/gen_config.go b/eth/gen_config.go
index d34f0b3..423d6bb 100644
--- a/eth/gen_config.go
+++ b/eth/gen_config.go
@@ -3,7 +3,6 @@
package eth
import (
- "math/big"
"time"
"github.com/ava-labs/coreth/consensus/ethash"
@@ -11,8 +10,8 @@ import (
"github.com/ava-labs/coreth/eth/gasprice"
"github.com/ava-labs/coreth/miner"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/eth/downloader"
)
// MarshalTOML marshals as TOML.
@@ -21,13 +20,16 @@ func (c Config) MarshalTOML() (interface{}, error) {
Genesis *core.Genesis `toml:",omitempty"`
NetworkId uint64
SyncMode downloader.SyncMode
+ DiscoveryURLs []string
NoPruning bool
NoPrefetch bool
+ TxLookupLimit uint64 `toml:",omitempty"`
Whitelist map[uint64]common.Hash `toml:"-"`
LightServ int `toml:",omitempty"`
LightIngress int `toml:",omitempty"`
LightEgress int `toml:",omitempty"`
LightPeers int `toml:",omitempty"`
+ LightNoPrune bool `toml:",omitempty"`
UltraLightServers []string `toml:",omitempty"`
UltraLightFraction int `toml:",omitempty"`
UltraLightOnlyAnnounce bool `toml:",omitempty"`
@@ -36,8 +38,11 @@ func (c Config) MarshalTOML() (interface{}, error) {
DatabaseCache int
DatabaseFreezer string
TrieCleanCache int
+ TrieCleanCacheJournal string `toml:",omitempty"`
+ TrieCleanCacheRejournal time.Duration `toml:",omitempty"`
TrieDirtyCache int
TrieTimeout time.Duration
+ SnapshotCache int
Miner miner.Config
Ethash ethash.Config
TxPool core.TxPoolConfig
@@ -46,23 +51,26 @@ func (c Config) MarshalTOML() (interface{}, error) {
DocRoot string `toml:"-"`
EWASMInterpreter string
EVMInterpreter string
- RPCGasCap *big.Int `toml:",omitempty"`
+ RPCGasCap uint64 `toml:",omitempty"`
+ RPCTxFeeCap float64 `toml:",omitempty"`
Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
- OverrideIstanbul *big.Int
ManualCanonical bool
}
var enc Config
enc.Genesis = c.Genesis
enc.NetworkId = c.NetworkId
enc.SyncMode = c.SyncMode
+ enc.DiscoveryURLs = c.DiscoveryURLs
enc.NoPruning = c.NoPruning
enc.NoPrefetch = c.NoPrefetch
+ enc.TxLookupLimit = c.TxLookupLimit
enc.Whitelist = c.Whitelist
enc.LightServ = c.LightServ
enc.LightIngress = c.LightIngress
enc.LightEgress = c.LightEgress
enc.LightPeers = c.LightPeers
+ enc.LightNoPrune = c.LightNoPrune
enc.UltraLightServers = c.UltraLightServers
enc.UltraLightFraction = c.UltraLightFraction
enc.UltraLightOnlyAnnounce = c.UltraLightOnlyAnnounce
@@ -71,8 +79,11 @@ func (c Config) MarshalTOML() (interface{}, error) {
enc.DatabaseCache = c.DatabaseCache
enc.DatabaseFreezer = c.DatabaseFreezer
enc.TrieCleanCache = c.TrieCleanCache
+ enc.TrieCleanCacheJournal = c.TrieCleanCacheJournal
+ enc.TrieCleanCacheRejournal = c.TrieCleanCacheRejournal
enc.TrieDirtyCache = c.TrieDirtyCache
enc.TrieTimeout = c.TrieTimeout
+ enc.SnapshotCache = c.SnapshotCache
enc.Miner = c.Miner
enc.Ethash = c.Ethash
enc.TxPool = c.TxPool
@@ -82,9 +93,9 @@ func (c Config) MarshalTOML() (interface{}, error) {
enc.EWASMInterpreter = c.EWASMInterpreter
enc.EVMInterpreter = c.EVMInterpreter
enc.RPCGasCap = c.RPCGasCap
+ enc.RPCTxFeeCap = c.RPCTxFeeCap
enc.Checkpoint = c.Checkpoint
enc.CheckpointOracle = c.CheckpointOracle
- enc.OverrideIstanbul = c.OverrideIstanbul
enc.ManualCanonical = c.ManualCanonical
return &enc, nil
}
@@ -95,13 +106,16 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
Genesis *core.Genesis `toml:",omitempty"`
NetworkId *uint64
SyncMode *downloader.SyncMode
+ DiscoveryURLs []string
NoPruning *bool
NoPrefetch *bool
+ TxLookupLimit *uint64 `toml:",omitempty"`
Whitelist map[uint64]common.Hash `toml:"-"`
LightServ *int `toml:",omitempty"`
LightIngress *int `toml:",omitempty"`
LightEgress *int `toml:",omitempty"`
LightPeers *int `toml:",omitempty"`
+ LightNoPrune *bool `toml:",omitempty"`
UltraLightServers []string `toml:",omitempty"`
UltraLightFraction *int `toml:",omitempty"`
UltraLightOnlyAnnounce *bool `toml:",omitempty"`
@@ -110,8 +124,11 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
DatabaseCache *int
DatabaseFreezer *string
TrieCleanCache *int
+ TrieCleanCacheJournal *string `toml:",omitempty"`
+ TrieCleanCacheRejournal *time.Duration `toml:",omitempty"`
TrieDirtyCache *int
TrieTimeout *time.Duration
+ SnapshotCache *int
Miner *miner.Config
Ethash *ethash.Config
TxPool *core.TxPoolConfig
@@ -120,10 +137,10 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
DocRoot *string `toml:"-"`
EWASMInterpreter *string
EVMInterpreter *string
- RPCGasCap *big.Int `toml:",omitempty"`
+ RPCGasCap *uint64 `toml:",omitempty"`
+ RPCTxFeeCap *float64 `toml:",omitempty"`
Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
- OverrideIstanbul *big.Int
ManualCanonical *bool
}
var dec Config
@@ -139,12 +156,18 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.SyncMode != nil {
c.SyncMode = *dec.SyncMode
}
+ if dec.DiscoveryURLs != nil {
+ c.DiscoveryURLs = dec.DiscoveryURLs
+ }
if dec.NoPruning != nil {
c.NoPruning = *dec.NoPruning
}
if dec.NoPrefetch != nil {
c.NoPrefetch = *dec.NoPrefetch
}
+ if dec.TxLookupLimit != nil {
+ c.TxLookupLimit = *dec.TxLookupLimit
+ }
if dec.Whitelist != nil {
c.Whitelist = dec.Whitelist
}
@@ -160,6 +183,9 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.LightPeers != nil {
c.LightPeers = *dec.LightPeers
}
+ if dec.LightNoPrune != nil {
+ c.LightNoPrune = *dec.LightNoPrune
+ }
if dec.UltraLightServers != nil {
c.UltraLightServers = dec.UltraLightServers
}
@@ -184,12 +210,21 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.TrieCleanCache != nil {
c.TrieCleanCache = *dec.TrieCleanCache
}
+ if dec.TrieCleanCacheJournal != nil {
+ c.TrieCleanCacheJournal = *dec.TrieCleanCacheJournal
+ }
+ if dec.TrieCleanCacheRejournal != nil {
+ c.TrieCleanCacheRejournal = *dec.TrieCleanCacheRejournal
+ }
if dec.TrieDirtyCache != nil {
c.TrieDirtyCache = *dec.TrieDirtyCache
}
if dec.TrieTimeout != nil {
c.TrieTimeout = *dec.TrieTimeout
}
+ if dec.SnapshotCache != nil {
+ c.SnapshotCache = *dec.SnapshotCache
+ }
if dec.Miner != nil {
c.Miner = *dec.Miner
}
@@ -215,7 +250,10 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
c.EVMInterpreter = *dec.EVMInterpreter
}
if dec.RPCGasCap != nil {
- c.RPCGasCap = dec.RPCGasCap
+ c.RPCGasCap = *dec.RPCGasCap
+ }
+ if dec.RPCTxFeeCap != nil {
+ c.RPCTxFeeCap = *dec.RPCTxFeeCap
}
if dec.Checkpoint != nil {
c.Checkpoint = dec.Checkpoint
@@ -223,9 +261,6 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error {
if dec.CheckpointOracle != nil {
c.CheckpointOracle = dec.CheckpointOracle
}
- if dec.OverrideIstanbul != nil {
- c.OverrideIstanbul = dec.OverrideIstanbul
- }
if dec.ManualCanonical != nil {
c.ManualCanonical = *dec.ManualCanonical
}
diff --git a/eth/metrics.go b/eth/metrics.go
deleted file mode 100644
index 0729c44..0000000
--- a/eth/metrics.go
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package eth
-
-import (
- "github.com/ava-labs/go-ethereum/metrics"
- "github.com/ava-labs/go-ethereum/p2p"
-)
-
-var (
- propTxnInPacketsMeter = metrics.NewRegisteredMeter("eth/prop/txns/in/packets", nil)
- propTxnInTrafficMeter = metrics.NewRegisteredMeter("eth/prop/txns/in/traffic", nil)
- propTxnOutPacketsMeter = metrics.NewRegisteredMeter("eth/prop/txns/out/packets", nil)
- propTxnOutTrafficMeter = metrics.NewRegisteredMeter("eth/prop/txns/out/traffic", nil)
- propHashInPacketsMeter = metrics.NewRegisteredMeter("eth/prop/hashes/in/packets", nil)
- propHashInTrafficMeter = metrics.NewRegisteredMeter("eth/prop/hashes/in/traffic", nil)
- propHashOutPacketsMeter = metrics.NewRegisteredMeter("eth/prop/hashes/out/packets", nil)
- propHashOutTrafficMeter = metrics.NewRegisteredMeter("eth/prop/hashes/out/traffic", nil)
- propBlockInPacketsMeter = metrics.NewRegisteredMeter("eth/prop/blocks/in/packets", nil)
- propBlockInTrafficMeter = metrics.NewRegisteredMeter("eth/prop/blocks/in/traffic", nil)
- propBlockOutPacketsMeter = metrics.NewRegisteredMeter("eth/prop/blocks/out/packets", nil)
- propBlockOutTrafficMeter = metrics.NewRegisteredMeter("eth/prop/blocks/out/traffic", nil)
- reqHeaderInPacketsMeter = metrics.NewRegisteredMeter("eth/req/headers/in/packets", nil)
- reqHeaderInTrafficMeter = metrics.NewRegisteredMeter("eth/req/headers/in/traffic", nil)
- reqHeaderOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/headers/out/packets", nil)
- reqHeaderOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/headers/out/traffic", nil)
- reqBodyInPacketsMeter = metrics.NewRegisteredMeter("eth/req/bodies/in/packets", nil)
- reqBodyInTrafficMeter = metrics.NewRegisteredMeter("eth/req/bodies/in/traffic", nil)
- reqBodyOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/bodies/out/packets", nil)
- reqBodyOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/bodies/out/traffic", nil)
- reqStateInPacketsMeter = metrics.NewRegisteredMeter("eth/req/states/in/packets", nil)
- reqStateInTrafficMeter = metrics.NewRegisteredMeter("eth/req/states/in/traffic", nil)
- reqStateOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/states/out/packets", nil)
- reqStateOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/states/out/traffic", nil)
- reqReceiptInPacketsMeter = metrics.NewRegisteredMeter("eth/req/receipts/in/packets", nil)
- reqReceiptInTrafficMeter = metrics.NewRegisteredMeter("eth/req/receipts/in/traffic", nil)
- reqReceiptOutPacketsMeter = metrics.NewRegisteredMeter("eth/req/receipts/out/packets", nil)
- reqReceiptOutTrafficMeter = metrics.NewRegisteredMeter("eth/req/receipts/out/traffic", nil)
- miscInPacketsMeter = metrics.NewRegisteredMeter("eth/misc/in/packets", nil)
- miscInTrafficMeter = metrics.NewRegisteredMeter("eth/misc/in/traffic", nil)
- miscOutPacketsMeter = metrics.NewRegisteredMeter("eth/misc/out/packets", nil)
- miscOutTrafficMeter = metrics.NewRegisteredMeter("eth/misc/out/traffic", nil)
-)
-
-// meteredMsgReadWriter is a wrapper around a p2p.MsgReadWriter, capable of
-// accumulating the above defined metrics based on the data stream contents.
-type meteredMsgReadWriter struct {
- p2p.MsgReadWriter // Wrapped message stream to meter
- version int // Protocol version to select correct meters
-}
-
-// newMeteredMsgWriter wraps a p2p MsgReadWriter with metering support. If the
-// metrics system is disabled, this function returns the original object.
-func newMeteredMsgWriter(rw p2p.MsgReadWriter) p2p.MsgReadWriter {
- if !metrics.Enabled {
- return rw
- }
- return &meteredMsgReadWriter{MsgReadWriter: rw}
-}
-
-// Init sets the protocol version used by the stream to know which meters to
-// increment in case of overlapping message ids between protocol versions.
-func (rw *meteredMsgReadWriter) Init(version int) {
- rw.version = version
-}
-
-func (rw *meteredMsgReadWriter) ReadMsg() (p2p.Msg, error) {
- // Read the message and short circuit in case of an error
- msg, err := rw.MsgReadWriter.ReadMsg()
- if err != nil {
- return msg, err
- }
- // Account for the data traffic
- packets, traffic := miscInPacketsMeter, miscInTrafficMeter
- switch {
- case msg.Code == BlockHeadersMsg:
- packets, traffic = reqHeaderInPacketsMeter, reqHeaderInTrafficMeter
- case msg.Code == BlockBodiesMsg:
- packets, traffic = reqBodyInPacketsMeter, reqBodyInTrafficMeter
-
- case rw.version >= eth63 && msg.Code == NodeDataMsg:
- packets, traffic = reqStateInPacketsMeter, reqStateInTrafficMeter
- case rw.version >= eth63 && msg.Code == ReceiptsMsg:
- packets, traffic = reqReceiptInPacketsMeter, reqReceiptInTrafficMeter
-
- case msg.Code == NewBlockHashesMsg:
- packets, traffic = propHashInPacketsMeter, propHashInTrafficMeter
- case msg.Code == NewBlockMsg:
- packets, traffic = propBlockInPacketsMeter, propBlockInTrafficMeter
- case msg.Code == TxMsg:
- packets, traffic = propTxnInPacketsMeter, propTxnInTrafficMeter
- }
- packets.Mark(1)
- traffic.Mark(int64(msg.Size))
-
- return msg, err
-}
-
-func (rw *meteredMsgReadWriter) WriteMsg(msg p2p.Msg) error {
- // Account for the data traffic
- packets, traffic := miscOutPacketsMeter, miscOutTrafficMeter
- switch {
- case msg.Code == BlockHeadersMsg:
- packets, traffic = reqHeaderOutPacketsMeter, reqHeaderOutTrafficMeter
- case msg.Code == BlockBodiesMsg:
- packets, traffic = reqBodyOutPacketsMeter, reqBodyOutTrafficMeter
-
- case rw.version >= eth63 && msg.Code == NodeDataMsg:
- packets, traffic = reqStateOutPacketsMeter, reqStateOutTrafficMeter
- case rw.version >= eth63 && msg.Code == ReceiptsMsg:
- packets, traffic = reqReceiptOutPacketsMeter, reqReceiptOutTrafficMeter
-
- case msg.Code == NewBlockHashesMsg:
- packets, traffic = propHashOutPacketsMeter, propHashOutTrafficMeter
- case msg.Code == NewBlockMsg:
- packets, traffic = propBlockOutPacketsMeter, propBlockOutTrafficMeter
- case msg.Code == TxMsg:
- packets, traffic = propTxnOutPacketsMeter, propTxnOutTrafficMeter
- }
- packets.Mark(1)
- traffic.Mark(int64(msg.Size))
-
- // Send the packet to the p2p layer
- return rw.MsgReadWriter.WriteMsg(msg)
-}
diff --git a/eth/protocol.go b/eth/protocol.go
index e205aad..ef5dcde 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -22,46 +22,53 @@ import (
"math/big"
"github.com/ava-labs/coreth/core"
+ "github.com/ava-labs/coreth/core/forkid"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/rlp"
)
// Constants to match up protocol versions and messages
const (
- eth62 = 62
eth63 = 63
+ eth64 = 64
+ eth65 = 65
)
// protocolName is the official short name of the protocol used during capability negotiation.
const protocolName = "eth"
// ProtocolVersions are the supported versions of the eth protocol (first is primary).
-var ProtocolVersions = []uint{eth63}
+var ProtocolVersions = []uint{eth65, eth64, eth63}
// protocolLengths are the number of implemented message corresponding to different protocol versions.
-var protocolLengths = map[uint]uint64{eth63: 17, eth62: 8}
+var protocolLengths = map[uint]uint64{eth65: 17, eth64: 17, eth63: 17}
const protocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message
// eth protocol message codes
const (
- // Protocol messages belonging to eth/62
StatusMsg = 0x00
NewBlockHashesMsg = 0x01
- TxMsg = 0x02
+ TransactionMsg = 0x02
GetBlockHeadersMsg = 0x03
BlockHeadersMsg = 0x04
GetBlockBodiesMsg = 0x05
BlockBodiesMsg = 0x06
NewBlockMsg = 0x07
-
- // Protocol messages belonging to eth/63
- GetNodeDataMsg = 0x0d
- NodeDataMsg = 0x0e
- GetReceiptsMsg = 0x0f
- ReceiptsMsg = 0x10
+ GetNodeDataMsg = 0x0d
+ NodeDataMsg = 0x0e
+ GetReceiptsMsg = 0x0f
+ ReceiptsMsg = 0x10
+
+ // New protocol message codes introduced in eth65
+ //
+ // Previously these message ids were used by some legacy and unsupported
+ // eth protocols, reown them here.
+ NewPooledTransactionHashesMsg = 0x08
+ GetPooledTransactionsMsg = 0x09
+ PooledTransactionsMsg = 0x0a
)
type errCode int
@@ -71,11 +78,11 @@ const (
ErrDecode
ErrInvalidMsgCode
ErrProtocolVersionMismatch
- ErrNetworkIdMismatch
- ErrGenesisBlockMismatch
+ ErrNetworkIDMismatch
+ ErrGenesisMismatch
+ ErrForkIDRejected
ErrNoStatusMsg
ErrExtraStatusMsg
- ErrSuspendedPeer
)
func (e errCode) String() string {
@@ -88,14 +95,22 @@ var errorToString = map[int]string{
ErrDecode: "Invalid message",
ErrInvalidMsgCode: "Invalid message code",
ErrProtocolVersionMismatch: "Protocol version mismatch",
- ErrNetworkIdMismatch: "NetworkId mismatch",
- ErrGenesisBlockMismatch: "Genesis block mismatch",
+ ErrNetworkIDMismatch: "Network ID mismatch",
+ ErrGenesisMismatch: "Genesis mismatch",
+ ErrForkIDRejected: "Fork ID rejected",
ErrNoStatusMsg: "No status message",
ErrExtraStatusMsg: "Extra status message",
- ErrSuspendedPeer: "Suspended peer",
}
type txPool interface {
+ // Has returns an indicator whether txpool has a transaction
+ // cached with the given hash.
+ Has(hash common.Hash) bool
+
+ // Get retrieves the transaction from local txpool with given
+ // tx hash.
+ Get(hash common.Hash) *types.Transaction
+
// AddRemotes should add the given transactions to the pool.
AddRemotes([]*types.Transaction) []error
@@ -108,8 +123,8 @@ type txPool interface {
SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
}
-// statusData is the network packet for the status message.
-type statusData struct {
+// statusData63 is the network packet for the status message for eth/63.
+type statusData63 struct {
ProtocolVersion uint32
NetworkId uint64
TD *big.Int
@@ -117,6 +132,16 @@ type statusData struct {
GenesisBlock common.Hash
}
+// statusData is the network packet for the status message for eth/64 and later.
+type statusData struct {
+ ProtocolVersion uint32
+ NetworkID uint64
+ TD *big.Int
+ Head common.Hash
+ Genesis common.Hash
+ ForkID forkid.ID
+}
+
// newBlockHashesData is the network packet for the block announcements.
type newBlockHashesData []struct {
Hash common.Hash // Hash of one particular block being announced
diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go
index f2ef25d..524500d 100644
--- a/eth/tracers/tracer.go
+++ b/eth/tracers/tracer.go
@@ -26,10 +26,10 @@ import (
"unsafe"
"github.com/ava-labs/coreth/core/vm"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
duktape "gopkg.in/olebedev/go-duktape.v3"
)
@@ -93,18 +93,27 @@ type memoryWrapper struct {
// slice returns the requested range of memory as a byte slice.
func (mw *memoryWrapper) slice(begin, end int64) []byte {
+ if end == begin {
+ return []byte{}
+ }
+ if end < begin || begin < 0 {
+ // TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go
+ // runtime goes belly up https://github.com/golang/go/issues/15639.
+ log.Warn("Tracer accessed out of bound memory", "offset", begin, "end", end)
+ return nil
+ }
if mw.memory.Len() < int(end) {
// TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go
// runtime goes belly up https://github.com/golang/go/issues/15639.
log.Warn("Tracer accessed out of bound memory", "available", mw.memory.Len(), "offset", begin, "size", end-begin)
return nil
}
- return mw.memory.Get(begin, end-begin)
+ return mw.memory.GetCopy(begin, end-begin)
}
// getUint returns the 32 bytes at the specified address interpreted as a uint.
func (mw *memoryWrapper) getUint(addr int64) *big.Int {
- if mw.memory.Len() < int(addr)+32 {
+ if mw.memory.Len() < int(addr)+32 || addr < 0 {
// TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go
// runtime goes belly up https://github.com/golang/go/issues/15639.
log.Warn("Tracer accessed out of bound memory", "available", mw.memory.Len(), "offset", addr, "size", 32)
@@ -147,13 +156,13 @@ type stackWrapper struct {
// peek returns the nth-from-the-top element of the stack.
func (sw *stackWrapper) peek(idx int) *big.Int {
- if len(sw.stack.Data()) <= idx {
+ if len(sw.stack.Data()) <= idx || idx < 0 {
// TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go
// runtime goes belly up https://github.com/golang/go/issues/15639.
log.Warn("Tracer accessed out of bound stack", "size", len(sw.stack.Data()), "index", idx)
return new(big.Int)
}
- return sw.stack.Data()[len(sw.stack.Data())-idx-1]
+ return sw.stack.Back(idx).ToBig()
}
// pushObject assembles a JSVM object wrapping a swappable stack and pushes it
@@ -419,17 +428,17 @@ func New(code string) (*Tracer, error) {
tracer.tracerObject = 0 // yeah, nice, eval can't return the index itself
if !tracer.vm.GetPropString(tracer.tracerObject, "step") {
- return nil, fmt.Errorf("Trace object must expose a function step()")
+ return nil, fmt.Errorf("trace object must expose a function step()")
}
tracer.vm.Pop()
if !tracer.vm.GetPropString(tracer.tracerObject, "fault") {
- return nil, fmt.Errorf("Trace object must expose a function fault()")
+ return nil, fmt.Errorf("trace object must expose a function fault()")
}
tracer.vm.Pop()
if !tracer.vm.GetPropString(tracer.tracerObject, "result") {
- return nil, fmt.Errorf("Trace object must expose a function result()")
+ return nil, fmt.Errorf("trace object must expose a function result()")
}
tracer.vm.Pop()
@@ -532,7 +541,7 @@ func (jst *Tracer) CaptureStart(from common.Address, to common.Address, create b
}
// CaptureState implements the Tracer interface to trace a single step of VM execution.
-func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, contract *vm.Contract, depth int, err error) error {
+func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rdata []byte, contract *vm.Contract, depth int, err error) error {
if jst.err == nil {
// Initialize the context if it wasn't done yet
if !jst.inited {
@@ -571,7 +580,7 @@ func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost
// CaptureFault implements the Tracer interface to trace an execution fault
// while running an opcode.
-func (jst *Tracer) CaptureFault(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, contract *vm.Contract, depth int, err error) error {
+func (jst *Tracer) CaptureFault(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, contract *vm.Contract, depth int, err error) error {
if jst.err == nil {
// Apart from the error, everything matches the previous invocation
jst.errorValue = new(string)
diff --git a/ethstats/ethstats.go b/ethstats/ethstats.go
index a2a6aa4..3dd06e3 100644
--- a/ethstats/ethstats.go
+++ b/ethstats/ethstats.go
@@ -28,19 +28,23 @@ import (
"runtime"
"strconv"
"strings"
+ "sync"
"time"
"github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/eth"
+ "github.com/ava-labs/coreth/miner"
+ "github.com/ava-labs/coreth/node"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/mclock"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/les"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/mclock"
+ "github.com/ethereum/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/les"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/p2p"
"github.com/gorilla/websocket"
)
@@ -56,23 +60,33 @@ const (
chainHeadChanSize = 10
)
-type txPool interface {
- // SubscribeNewTxsEvent should return an event subscription of
- // NewTxsEvent and send events to the given channel.
- SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription
+// backend encompasses the bare-minimum functionality needed for ethstats reporting
+type backend interface {
+ SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
+ SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription
+ CurrentHeader() *types.Header
+ HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
+ GetTd(ctx context.Context, hash common.Hash) *big.Int
+ Stats() (pending int, queued int)
+ Downloader() *downloader.Downloader
}
-type blockChain interface {
- SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
+// fullNodeBackend encompasses the functionality necessary for a full node
+// reporting to ethstats
+type fullNodeBackend interface {
+ backend
+ Miner() *miner.Miner
+ BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
+ CurrentBlock() *types.Block
+ SuggestPrice(ctx context.Context) (*big.Int, error)
}
// Service implements an Ethereum netstats reporting daemon that pushes local
// chain statistics up to a monitoring server.
type Service struct {
- server *p2p.Server // Peer-to-peer server to retrieve networking infos
- eth *eth.Ethereum // Full Ethereum service if monitoring a full node
- les *les.LightEthereum // Light Ethereum service if monitoring a light node
- engine consensus.Engine // Consensus engine to retrieve variadic block fields
+ server *p2p.Server // Peer-to-peer server to retrieve networking infos
+ backend backend
+ engine consensus.Engine // Consensus engine to retrieve variadic block fields
node string // Name of the node to display on the monitoring page
pass string // Password to authorize access to the monitoring page
@@ -80,53 +94,86 @@ type Service struct {
pongCh chan struct{} // Pong notifications are fed into this channel
histCh chan []uint64 // History request block numbers are fed into this channel
+
+}
+
+// connWrapper is a wrapper to prevent concurrent-write or concurrent-read on the
+// websocket.
+//
+// From Gorilla websocket docs:
+// Connections support one concurrent reader and one concurrent writer.
+// Applications are responsible for ensuring that no more than one goroutine calls the write methods
+// - NextWriter, SetWriteDeadline, WriteMessage, WriteJSON, EnableWriteCompression, SetCompressionLevel
+// concurrently and that no more than one goroutine calls the read methods
+// - NextReader, SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler, SetPingHandler
+// concurrently.
+// The Close and WriteControl methods can be called concurrently with all other methods.
+type connWrapper struct {
+ conn *websocket.Conn
+
+ rlock sync.Mutex
+ wlock sync.Mutex
+}
+
+func newConnectionWrapper(conn *websocket.Conn) *connWrapper {
+ return &connWrapper{conn: conn}
+}
+
+// WriteJSON wraps corresponding method on the websocket but is safe for concurrent calling
+func (w *connWrapper) WriteJSON(v interface{}) error {
+ w.wlock.Lock()
+ defer w.wlock.Unlock()
+
+ return w.conn.WriteJSON(v)
+}
+
+// ReadJSON wraps corresponding method on the websocket but is safe for concurrent calling
+func (w *connWrapper) ReadJSON(v interface{}) error {
+ w.rlock.Lock()
+ defer w.rlock.Unlock()
+
+ return w.conn.ReadJSON(v)
+}
+
+// Close wraps corresponding method on the websocket but is safe for concurrent calling
+func (w *connWrapper) Close() error {
+ // The Close and WriteControl methods can be called concurrently with all other methods,
+ // so the mutex is not used here
+ return w.conn.Close()
}
// New returns a monitoring service ready for stats reporting.
-func New(url string, ethServ *eth.Ethereum, lesServ *les.LightEthereum) (*Service, error) {
+func New(node *node.Node, backend backend, engine consensus.Engine, url string) error {
// Parse the netstats connection url
re := regexp.MustCompile("([^:@]*)(:([^@]*))?@(.+)")
parts := re.FindStringSubmatch(url)
if len(parts) != 5 {
- return nil, fmt.Errorf("invalid netstats url: \"%s\", should be nodename:secret@host:port", url)
+ return fmt.Errorf("invalid netstats url: \"%s\", should be nodename:secret@host:port", url)
+ }
+ ethstats := &Service{
+ backend: backend,
+ engine: engine,
+ server: node.Server(),
+ node: parts[1],
+ pass: parts[3],
+ host: parts[4],
+ pongCh: make(chan struct{}),
+ histCh: make(chan []uint64, 1),
}
- // Assemble and return the stats service
- var engine consensus.Engine
- if ethServ != nil {
- engine = ethServ.Engine()
- } else {
- engine = lesServ.Engine()
- }
- return &Service{
- eth: ethServ,
- les: lesServ,
- engine: engine,
- node: parts[1],
- pass: parts[3],
- host: parts[4],
- pongCh: make(chan struct{}),
- histCh: make(chan []uint64, 1),
- }, nil
-}
-
-// Protocols implements node.Service, returning the P2P network protocols used
-// by the stats service (nil as it doesn't use the devp2p overlay network).
-func (s *Service) Protocols() []p2p.Protocol { return nil }
-// APIs implements node.Service, returning the RPC API endpoints provided by the
-// stats service (nil as it doesn't provide any user callable APIs).
-func (s *Service) APIs() []rpc.API { return nil }
+ node.RegisterLifecycle(ethstats)
+ return nil
+}
-// Start implements node.Service, starting up the monitoring and reporting daemon.
-func (s *Service) Start(server *p2p.Server) error {
- s.server = server
+// Start implements node.Lifecycle, starting up the monitoring and reporting daemon.
+func (s *Service) Start() error {
go s.loop()
log.Info("Stats daemon started")
return nil
}
-// Stop implements node.Service, terminating the monitoring and reporting daemon.
+// Stop implements node.Lifecycle, terminating the monitoring and reporting daemon.
func (s *Service) Stop() error {
log.Info("Stats daemon stopped")
return nil
@@ -136,25 +183,15 @@ func (s *Service) Stop() error {
// until termination.
func (s *Service) loop() {
// Subscribe to chain events to execute updates on
- var blockchain blockChain
- var txpool txPool
- if s.eth != nil {
- blockchain = s.eth.BlockChain()
- txpool = s.eth.TxPool()
- } else {
- blockchain = s.les.BlockChain()
- txpool = s.les.TxPool()
- }
-
chainHeadCh := make(chan core.ChainHeadEvent, chainHeadChanSize)
- headSub := blockchain.SubscribeChainHeadEvent(chainHeadCh)
+ headSub := s.backend.SubscribeChainHeadEvent(chainHeadCh)
defer headSub.Unsubscribe()
txEventCh := make(chan core.NewTxsEvent, txChanSize)
- txSub := txpool.SubscribeNewTxsEvent(txEventCh)
+ txSub := s.backend.SubscribeNewTxsEvent(txEventCh)
defer txSub.Unsubscribe()
- // Start a goroutine that exhausts the subsciptions to avoid events piling up
+ // Start a goroutine that exhausts the subscriptions to avoid events piling up
var (
quitCh = make(chan struct{})
headCh = make(chan *types.Block, 1)
@@ -194,82 +231,99 @@ func (s *Service) loop() {
}
close(quitCh)
}()
+
+ // Resolve the URL, defaulting to TLS, but falling back to none too
+ path := fmt.Sprintf("%s/api", s.host)
+ urls := []string{path}
+
+ // url.Parse and url.IsAbs is unsuitable (https://github.com/golang/go/issues/19779)
+ if !strings.Contains(path, "://") {
+ urls = []string{"wss://" + path, "ws://" + path}
+ }
+
+ errTimer := time.NewTimer(0)
+ defer errTimer.Stop()
// Loop reporting until termination
for {
- // Resolve the URL, defaulting to TLS, but falling back to none too
- path := fmt.Sprintf("%s/api", s.host)
- urls := []string{path}
-
- // url.Parse and url.IsAbs is unsuitable (https://github.com/golang/go/issues/19779)
- if !strings.Contains(path, "://") {
- urls = []string{"wss://" + path, "ws://" + path}
- }
- // Establish a websocket connection to the server on any supported URL
- var (
- conn *websocket.Conn
- err error
- )
- dialer := websocket.Dialer{HandshakeTimeout: 5 * time.Second}
- header := make(http.Header)
- header.Set("origin", "http://localhost")
- for _, url := range urls {
- conn, _, err = dialer.Dial(url, header)
- if err == nil {
- break
+ select {
+ case <-quitCh:
+ return
+ case <-errTimer.C:
+ // Establish a websocket connection to the server on any supported URL
+ var (
+ conn *connWrapper
+ err error
+ )
+ dialer := websocket.Dialer{HandshakeTimeout: 5 * time.Second}
+ header := make(http.Header)
+ header.Set("origin", "http://localhost")
+ for _, url := range urls {
+ c, _, e := dialer.Dial(url, header)
+ err = e
+ if err == nil {
+ conn = newConnectionWrapper(c)
+ break
+ }
}
- }
- if err != nil {
- log.Warn("Stats server unreachable", "err", err)
- time.Sleep(10 * time.Second)
- continue
- }
- // Authenticate the client with the server
- if err = s.login(conn); err != nil {
- log.Warn("Stats login failed", "err", err)
- conn.Close()
- time.Sleep(10 * time.Second)
- continue
- }
- go s.readLoop(conn)
-
- // Send the initial stats so our node looks decent from the get go
- if err = s.report(conn); err != nil {
- log.Warn("Initial stats report failed", "err", err)
- conn.Close()
- continue
- }
- // Keep sending status updates until the connection breaks
- fullReport := time.NewTicker(15 * time.Second)
+ if err != nil {
+ log.Warn("Stats server unreachable", "err", err)
+ errTimer.Reset(10 * time.Second)
+ continue
+ }
+ // Authenticate the client with the server
+ if err = s.login(conn); err != nil {
+ log.Warn("Stats login failed", "err", err)
+ conn.Close()
+ errTimer.Reset(10 * time.Second)
+ continue
+ }
+ go s.readLoop(conn)
- for err == nil {
- select {
- case <-quitCh:
+ // Send the initial stats so our node looks decent from the get go
+ if err = s.report(conn); err != nil {
+ log.Warn("Initial stats report failed", "err", err)
conn.Close()
- return
+ errTimer.Reset(0)
+ continue
+ }
+ // Keep sending status updates until the connection breaks
+ fullReport := time.NewTicker(15 * time.Second)
- case <-fullReport.C:
- if err = s.report(conn); err != nil {
- log.Warn("Full stats report failed", "err", err)
- }
- case list := <-s.histCh:
- if err = s.reportHistory(conn, list); err != nil {
- log.Warn("Requested history report failed", "err", err)
- }
- case head := <-headCh:
- if err = s.reportBlock(conn, head); err != nil {
- log.Warn("Block stats report failed", "err", err)
- }
- if err = s.reportPending(conn); err != nil {
- log.Warn("Post-block transaction stats report failed", "err", err)
- }
- case <-txCh:
- if err = s.reportPending(conn); err != nil {
- log.Warn("Transaction stats report failed", "err", err)
+ for err == nil {
+ select {
+ case <-quitCh:
+ fullReport.Stop()
+ // Make sure the connection is closed
+ conn.Close()
+ return
+
+ case <-fullReport.C:
+ if err = s.report(conn); err != nil {
+ log.Warn("Full stats report failed", "err", err)
+ }
+ case list := <-s.histCh:
+ if err = s.reportHistory(conn, list); err != nil {
+ log.Warn("Requested history report failed", "err", err)
+ }
+ case head := <-headCh:
+ if err = s.reportBlock(conn, head); err != nil {
+ log.Warn("Block stats report failed", "err", err)
+ }
+ if err = s.reportPending(conn); err != nil {
+ log.Warn("Post-block transaction stats report failed", "err", err)
+ }
+ case <-txCh:
+ if err = s.reportPending(conn); err != nil {
+ log.Warn("Transaction stats report failed", "err", err)
+ }
}
}
+ fullReport.Stop()
+
+ // Close the current connection and establish a new one
+ conn.Close()
+ errTimer.Reset(0)
}
- // Make sure the connection is closed
- conn.Close()
}
}
@@ -277,14 +331,29 @@ func (s *Service) loop() {
// from the network socket. If any of them match an active request, it forwards
// it, if they themselves are requests it initiates a reply, and lastly it drops
// unknown packets.
-func (s *Service) readLoop(conn *websocket.Conn) {
+func (s *Service) readLoop(conn *connWrapper) {
// If the read loop exists, close the connection
defer conn.Close()
for {
// Retrieve the next generic network packet and bail out on error
+ var blob json.RawMessage
+ if err := conn.ReadJSON(&blob); err != nil {
+ log.Warn("Failed to retrieve stats server message", "err", err)
+ return
+ }
+ // If the network packet is a system ping, respond to it directly
+ var ping string
+ if err := json.Unmarshal(blob, &ping); err == nil && strings.HasPrefix(ping, "primus::ping::") {
+ if err := conn.WriteJSON(strings.Replace(ping, "ping", "pong", -1)); err != nil {
+ log.Warn("Failed to respond to system ping message", "err", err)
+ return
+ }
+ continue
+ }
+ // Not a system ping, try to decode an actual state message
var msg map[string][]interface{}
- if err := conn.ReadJSON(&msg); err != nil {
+ if err := json.Unmarshal(blob, &msg); err != nil {
log.Warn("Failed to decode stats server message", "err", err)
return
}
@@ -316,8 +385,11 @@ func (s *Service) readLoop(conn *websocket.Conn) {
request, ok := msg["emit"][1].(map[string]interface{})
if !ok {
log.Warn("Invalid stats history request", "msg", msg["emit"][1])
- s.histCh <- nil
- continue // Ethstats sometime sends invalid history requests, ignore those
+ select {
+ case s.histCh <- nil: // Treat it as an no indexes request
+ default:
+ }
+ continue
}
list, ok := request["list"].([]interface{})
if !ok {
@@ -345,7 +417,7 @@ func (s *Service) readLoop(conn *websocket.Conn) {
}
}
-// nodeInfo is the collection of metainformation about a node that is displayed
+// nodeInfo is the collection of meta information about a node that is displayed
// on the monitoring page.
type nodeInfo struct {
Name string `json:"name"`
@@ -368,7 +440,7 @@ type authMsg struct {
}
// login tries to authorize the client at the remote server.
-func (s *Service) login(conn *websocket.Conn) error {
+func (s *Service) login(conn *connWrapper) error {
// Construct and send the login authentication
infos := s.server.NodeInfo()
@@ -413,7 +485,7 @@ func (s *Service) login(conn *websocket.Conn) error {
// report collects all possible data to report and send it to the stats server.
// This should only be used on reconnects or rarely to avoid overloading the
// server. Use the individual methods for reporting subscribed events.
-func (s *Service) report(conn *websocket.Conn) error {
+func (s *Service) report(conn *connWrapper) error {
if err := s.reportLatency(conn); err != nil {
return err
}
@@ -431,7 +503,7 @@ func (s *Service) report(conn *websocket.Conn) error {
// reportLatency sends a ping request to the server, measures the RTT time and
// finally sends a latency update.
-func (s *Service) reportLatency(conn *websocket.Conn) error {
+func (s *Service) reportLatency(conn *connWrapper) error {
// Send the current time to the ethstats server
start := time.Now()
@@ -500,7 +572,7 @@ func (s uncleStats) MarshalJSON() ([]byte, error) {
}
// reportBlock retrieves the current chain head and reports it to the stats server.
-func (s *Service) reportBlock(conn *websocket.Conn, block *types.Block) error {
+func (s *Service) reportBlock(conn *connWrapper, block *types.Block) error {
// Gather the block details from the header or block chain
details := s.assembleBlockStats(block)
@@ -527,13 +599,15 @@ func (s *Service) assembleBlockStats(block *types.Block) *blockStats {
txs []txStats
uncles []*types.Header
)
- if s.eth != nil {
- // Full nodes have all needed information available
+
+ // check if backend is a full node
+ fullBackend, ok := s.backend.(fullNodeBackend)
+ if ok {
if block == nil {
- block = s.eth.BlockChain().CurrentBlock()
+ block = fullBackend.CurrentBlock()
}
header = block.Header()
- td = s.eth.BlockChain().GetTd(header.Hash(), header.Number.Uint64())
+ td = fullBackend.GetTd(context.Background(), header.Hash())
txs = make([]txStats, len(block.Transactions()))
for i, tx := range block.Transactions() {
@@ -545,11 +619,12 @@ func (s *Service) assembleBlockStats(block *types.Block) *blockStats {
if block != nil {
header = block.Header()
} else {
- header = s.les.BlockChain().CurrentHeader()
+ header = s.backend.CurrentHeader()
}
- td = s.les.BlockChain().GetTd(header.Hash(), header.Number.Uint64())
+ td = s.backend.GetTd(context.Background(), header.Hash())
txs = []txStats{}
}
+
// Assemble and return the block stats
author, _ := s.engine.Author(header)
@@ -572,7 +647,7 @@ func (s *Service) assembleBlockStats(block *types.Block) *blockStats {
// reportHistory retrieves the most recent batch of blocks and reports it to the
// stats server.
-func (s *Service) reportHistory(conn *websocket.Conn, list []uint64) error {
+func (s *Service) reportHistory(conn *connWrapper, list []uint64) error {
// Figure out the indexes that need reporting
indexes := make([]uint64, 0, historyUpdateRange)
if len(list) > 0 {
@@ -580,12 +655,7 @@ func (s *Service) reportHistory(conn *websocket.Conn, list []uint64) error {
indexes = append(indexes, list...)
} else {
// No indexes requested, send back the top ones
- var head int64
- if s.eth != nil {
- head = s.eth.BlockChain().CurrentHeader().Number.Int64()
- } else {
- head = s.les.BlockChain().CurrentHeader().Number.Int64()
- }
+ head := s.backend.CurrentHeader().Number.Int64()
start := head - historyUpdateRange + 1
if start < 0 {
start = 0
@@ -597,12 +667,13 @@ func (s *Service) reportHistory(conn *websocket.Conn, list []uint64) error {
// Gather the batch of blocks to report
history := make([]*blockStats, len(indexes))
for i, number := range indexes {
+ fullBackend, ok := s.backend.(fullNodeBackend)
// Retrieve the next block if it's known to us
var block *types.Block
- if s.eth != nil {
- block = s.eth.BlockChain().GetBlockByNumber(number)
+ if ok {
+ block, _ = fullBackend.BlockByNumber(context.Background(), rpc.BlockNumber(number)) // TODO ignore error here ?
} else {
- if header := s.les.BlockChain().GetHeaderByNumber(number); header != nil {
+ if header, _ := s.backend.HeaderByNumber(context.Background(), rpc.BlockNumber(number)); header != nil {
block = types.NewBlockWithHeader(header)
}
}
@@ -638,14 +709,9 @@ type pendStats struct {
// reportPending retrieves the current number of pending transactions and reports
// it to the stats server.
-func (s *Service) reportPending(conn *websocket.Conn) error {
+func (s *Service) reportPending(conn *connWrapper) error {
// Retrieve the pending count from the local blockchain
- var pending int
- if s.eth != nil {
- pending, _ = s.eth.TxPool().Stats()
- } else {
- pending = s.les.TxPool().Stats()
- }
+ pending, _ := s.backend.Stats()
// Assemble the transaction stats and send it to the server
log.Trace("Sending pending transactions to ethstats", "count", pending)
@@ -672,9 +738,9 @@ type nodeStats struct {
Uptime int `json:"uptime"`
}
-// reportPending retrieves various stats about the node at the networking and
+// reportStats retrieves various stats about the node at the networking and
// mining layer and reports it to the stats server.
-func (s *Service) reportStats(conn *websocket.Conn) error {
+func (s *Service) reportStats(conn *connWrapper) error {
// Gather the syncing and mining infos from the local miner instance
var (
mining bool
@@ -682,18 +748,20 @@ func (s *Service) reportStats(conn *websocket.Conn) error {
syncing bool
gasprice int
)
- if s.eth != nil {
- mining = s.eth.Miner().Mining()
- hashrate = int(s.eth.Miner().HashRate())
+ // check if backend is a full node
+ fullBackend, ok := s.backend.(fullNodeBackend)
+ if ok {
+ mining = fullBackend.Miner().Mining()
+ hashrate = int(fullBackend.Miner().HashRate())
- sync := s.eth.Downloader().Progress()
- syncing = s.eth.BlockChain().CurrentHeader().Number.Uint64() >= sync.HighestBlock
+ sync := fullBackend.Downloader().Progress()
+ syncing = fullBackend.CurrentHeader().Number.Uint64() >= sync.HighestBlock
- price, _ := s.eth.APIBackend.SuggestPrice(context.Background())
+ price, _ := fullBackend.SuggestPrice(context.Background())
gasprice = int(price.Uint64())
} else {
- sync := s.les.Downloader().Progress()
- syncing = s.les.BlockChain().CurrentHeader().Number.Uint64() >= sync.HighestBlock
+ sync := s.backend.Downloader().Progress()
+ syncing = s.backend.CurrentHeader().Number.Uint64() >= sync.HighestBlock
}
// Assemble the node stats and send it to the server
log.Trace("Sending node details to ethstats")
diff --git a/examples/block/main.go b/examples/block/main.go
index 45d7586..89540c6 100644
--- a/examples/block/main.go
+++ b/examples/block/main.go
@@ -8,10 +8,10 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/rlp"
"math/big"
)
diff --git a/examples/chain/main.go b/examples/chain/main.go
index 26fc5ce..94c5d6b 100644
--- a/examples/chain/main.go
+++ b/examples/chain/main.go
@@ -8,10 +8,10 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/rlp"
"math/big"
"sync"
)
@@ -138,6 +138,8 @@ func run(config *eth.Config, a1, a2, b1, b2 int) {
bob := NewTestChain("bob", config, aliceBlk, bobBlk, aliceAck, bobAck)
alice.Start()
bob.Start()
+ log.Info("alice genesis", "block", alice.chain.GetGenesisBlock().Hash().Hex())
+ log.Info("bob genesis", "block", bob.chain.GetGenesisBlock().Hash().Hex())
alice.GenRandomTree(a1, a2)
log.Info("alice finished generating the tree")
//time.Sleep(1 * time.Second)
@@ -205,7 +207,7 @@ func main() {
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(0),
Ethash: nil,
}
diff --git a/examples/counter/counter.sol b/examples/counter/counter.sol
index b21c3bf..952b925 100644
--- a/examples/counter/counter.sol
+++ b/examples/counter/counter.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.6.0;
+pragma solidity >=0.6.0;
contract Counter {
uint256 x;
diff --git a/examples/counter/main.go b/examples/counter/main.go
index 85aa9d1..9e18cd8 100644
--- a/examples/counter/main.go
+++ b/examples/counter/main.go
@@ -10,10 +10,10 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/compiler"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/compiler"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
"go/build"
"math/big"
"os"
diff --git a/examples/multicoin/main.go b/examples/multicoin/main.go
index 3b221b1..fc379d4 100644
--- a/examples/multicoin/main.go
+++ b/examples/multicoin/main.go
@@ -5,16 +5,16 @@ import (
"encoding/json"
"fmt"
"github.com/ava-labs/coreth"
- "github.com/ava-labs/coreth/accounts/abi"
"github.com/ava-labs/coreth/core"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/compiler"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/accounts/abi"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/compiler"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
"go/build"
"math/big"
"os"
@@ -47,12 +47,12 @@ func main() {
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(0),
Ethash: nil,
}
// configure the genesis block
- genesisJSON := `{"config":{"chainId":1,"homesteadBlock":0,"daoForkBlock":0,"daoForkSupport":true,"eip150Block":0,"eip150Hash":"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0","eip155Block":0,"eip158Block":0,"byzantiumBlock":0,"constantinopleBlock":0,"petersburgBlock":0},"nonce":"0x0","timestamp":"0x0","extraData":"0x00","gasLimit":"0x5f5e100","difficulty":"0x0","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","coinbase":"0x0000000000000000000000000000000000000000","alloc":{"751a0b96e1042bee789452ecb20253fba40dbe85":{"balance":"0x1000000000000000", "mcbalance": {"0x0000000000000000000000000000000000000000000000000000000000000000": 1000000000000000000}}, "0100000000000000000000000000000000000000": {"code": "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", "balance": "0x0", "mcbalance": {}}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`
+ genesisJSON := `{"config":{"chainId":1,"homesteadBlock":0,"daoForkBlock":0,"daoForkSupport":true,"eip150Block":0,"eip150Hash":"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0","eip155Block":0,"eip158Block":0,"byzantiumBlock":0,"constantinopleBlock":0,"petersburgBlock":0},"nonce":"0x0","timestamp":"0x0","extraData":"0x00","gasLimit":"0x5f5e100","difficulty":"0x0","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","coinbase":"0x0000000000000000000000000000000000000000","alloc":{"751a0b96e1042bee789452ecb20253fba40dbe85":{"balance":"0x1000000000000000", "mcbalance": {"0x0000000000000000000000000000000000000000000000000000000000000000": 1000000000000000000}}, "0100000000000000000000000000000000000000": {"code": "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", "balance": "0x0", "mcbalance": {}}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`
mcAbiJSON := `[{"inputs":[],"name":"enableMultiCoin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"coinid","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"coinid","type":"uint256"},{"internalType":"uint256","name":"amount2","type":"uint256"}],"name":"transfer","outputs":[],"stateMutability":"nonpayable","type":"function"}]`
genesisKey := "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1"
diff --git a/examples/payments/main.go b/examples/payments/main.go
index 40a90c2..fee2060 100644
--- a/examples/payments/main.go
+++ b/examples/payments/main.go
@@ -8,9 +8,9 @@ import (
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/eth"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/log"
"math/big"
)
diff --git a/go.mod b/go.mod
index ebb79cf..0acd6d8 100644
--- a/go.mod
+++ b/go.mod
@@ -3,19 +3,23 @@ module github.com/ava-labs/coreth
go 1.14
require (
+ github.com/VictoriaMetrics/fastcache v1.5.7
github.com/ava-labs/avalanchego v0.8.3
github.com/ava-labs/go-ethereum v1.9.3
+ github.com/cespare/cp v1.1.1
github.com/davecgh/go-spew v1.1.1
github.com/deckarep/golang-set v1.7.1
github.com/edsrzf/mmap-go v1.0.0
+ github.com/ethereum/go-ethereum v1.9.21
github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5
github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08
github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
- github.com/golang/snappy v0.0.1
+ github.com/golang/snappy v0.0.2-0.20200707131729-196ae77b8a26
github.com/gorilla/rpc v1.2.0
github.com/gorilla/websocket v1.4.2
github.com/hashicorp/go-plugin v1.3.0
github.com/hashicorp/golang-lru v0.5.4
+ github.com/holiman/uint256 v1.1.1
github.com/mattn/go-colorable v0.1.7
github.com/mattn/go-isatty v0.0.12
github.com/olekukonko/tablewriter v0.0.4
@@ -24,6 +28,7 @@ require (
github.com/rjeczalik/notify v0.9.2
github.com/rs/cors v1.7.0
github.com/status-im/keycard-go v0.0.0-20200402102358-957c09536969
+ github.com/steakknife/bloomfilter v0.0.0-20180922174646-6819c0d2a570
github.com/tyler-smith/go-bip39 v1.0.2
github.com/wsddn/go-ecdh v0.0.0-20161211032359-48726bab9208
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
diff --git a/go.sum b/go.sum
index 9d5c6bb..f3b1b46 100644
--- a/go.sum
+++ b/go.sum
@@ -1,21 +1,39 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/AppsFlyer/go-sundheit v0.2.0 h1:FArqX+HbqZ6U32RC3giEAWRUpkggqxHj91KIvxNgwjU=
github.com/AppsFlyer/go-sundheit v0.2.0/go.mod h1:rCRkVTMQo7/krF7xQ9X0XEF1an68viFR6/Gy02q+4ds=
+github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
+github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
+github.com/Azure/azure-storage-blob-go v0.7.0/go.mod h1:f9YQKtsG1nMisotuTPpO0tjNuEjKRYAcJU8/ydDI++4=
+github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
+github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
+github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
+github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
+github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
+github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
+github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
+github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=
github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/Shopify/sarama v1.26.1/go.mod h1:NbSGBSSndYaIhRcBtY9V0U7AyH+x71bG668AuWys/yU=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
+github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
+github.com/VictoriaMetrics/fastcache v1.5.7/go.mod h1:ptDBkNMQI4RtmVo8VS/XwRY6RoTu1dAWCbrk+6WsEM8=
github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
github.com/allegro/bigcache v1.2.1 h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKSc=
github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
github.com/aristanetworks/fsnotify v1.4.2/go.mod h1:D/rtu7LpjYM8tRJphJ0hUBYpjai8SfX+aSNsWDTq/Ks=
github.com/aristanetworks/glog v0.0.0-20191112221043-67e8567f59f3/go.mod h1:KASm+qXFKs/xjSoWn30NrWBBvdTTQq+UjkhjEJHfSFA=
+github.com/aristanetworks/goarista v0.0.0-20170210015632-ea17b1a17847/go.mod h1:D/tb0zPVXnP7fmsLZjtdUhSsumbK/ij54UXjjVgMGxQ=
github.com/aristanetworks/goarista v0.0.0-20200520141224-0f14e646773f h1:uM6lu1fpmCwf54zb6Ckkvphioq8MLlyFb/TlTgPpCKc=
github.com/aristanetworks/goarista v0.0.0-20200520141224-0f14e646773f/go.mod h1:QZe5Yh80Hp1b6JxQdpfSEEe8X7hTyTEZSosSrFf/oJE=
github.com/aristanetworks/goarista v0.0.0-20200812190859-4cb0e71f3c0e h1:tkEt0le4Lv5+VmcxZPIVSrP8LVPLhndIm/BOP7iPh/w=
@@ -33,10 +51,12 @@ github.com/ava-labs/coreth v0.2.15-rc.4/go.mod h1:+sK2XGKCNA48uzeHWe4iBzmiOBYmYv
github.com/ava-labs/gecko v0.6.1-rc.1/go.mod h1:TT6uA1BETZpVMR0xiFtE8I5Mv4DULlS+lAL3xuYKnpA=
github.com/ava-labs/go-ethereum v1.9.3 h1:GmnMZ/dlvVAPFmWBzEpRJX49pUAymPfoASLNRJqR0AY=
github.com/ava-labs/go-ethereum v1.9.3/go.mod h1:a+agc6fXfZFsPZCylA3ry4Y8CLCqLKg3Rc23NXZ9aw8=
+github.com/aws/aws-sdk-go v1.25.48/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/btcsuite/btcd v0.0.0-20171128150713-2e60448ffcc6/go.mod h1:Dmm/EzmjnCiweXmzRIAiUWCInVmPgjkzgv5k4tVyXiQ=
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
@@ -48,18 +68,23 @@ github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku
github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
+github.com/cespare/cp v1.1.1 h1:nCb6ZLdB7NRaqsm91JtQTAme2SKJzXVsdPIPkyJr1MU=
github.com/cespare/cp v1.1.1/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cloudflare/cloudflare-go v0.10.2-0.20190916151808-a80f83b9add9/go.mod h1:1MxXX1Ux4x6mqPmjkUgTP1CdXIBXKX7T+Jk9Gxrmx+U=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/deckarep/golang-set v0.0.0-20180603214616-504e848d77ea/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
github.com/deckarep/golang-set v1.7.1 h1:SCQV0S6gTtp6itiFrTqI+pfmJ4LN85S1YzhDf9rTHJQ=
github.com/deckarep/golang-set v1.7.1/go.mod h1:93vsz/8Wt4joVM7c2AVqh+YRMiUSc14yDtF28KmMOgQ=
github.com/decred/dcrd/chaincfg/chainhash v1.0.2/go.mod h1:BpbrGgrPTr3YJYRN3Bm+D9NuaFd+zGyNeIKgrhCXK60=
@@ -74,9 +99,14 @@ github.com/decred/dcrd/dcrec/secp256k1/v3 v3.0.0-20200627015759-01fd2de07837/go.
github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/dlclark/regexp2 v1.2.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
+github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf h1:sh8rkQZavChcmakYiSlqu2425CHyFXLZZnvm7PDpU8M=
+github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/dop251/goja v0.0.0-20200721192441-a695b0cdd498/go.mod h1:Mw6PkjjMXWbTj+nnj4s3QPXq1jaT0s5pC0iFD4+BOAA=
github.com/eapache/go-resiliency v1.2.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
+github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw=
github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
github.com/elastic/gosigar v0.10.5 h1:GzPQ+78RaAb4J63unidA/JavQRKrB6s8IOzN6Ib59jo=
@@ -87,14 +117,20 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/ethereum/go-ethereum v1.9.21 h1:8qRlhzrItnmUGdVlBzZLI2Tb46S0RdSNjFwICo781ws=
+github.com/ethereum/go-ethereum v1.9.21/go.mod h1:RXAVzbGrSGmDkDnHymruTAIEjUR3E4TX0EOpaj702sI=
+github.com/fatih/color v1.3.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 h1:FtmdgXiUlNeRsoNMFlKLDt+S+6hbjVMEW6RGQ7aUf7c=
github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
github.com/frankban/quicktest v1.7.2/go.mod h1:jaStnuzAqU1AJdCO0l53JDCJrVDKcS03DbaAcR7Ks/o=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/garyburd/redigo v1.6.0/go.mod h1:NR3MbYisc3/PwhQ00EMzDiPmrwpPxAn5GI05/YaO1SY=
+github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff/go.mod h1:x7DCsMOv1taUwEWCzT4cmDeAkigA5/QCwUodaVOe8Ww=
github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08 h1:f6D9Hr8xV8uYKlyuj8XIruxlh9WjVjdh1gIicAS7ays=
github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08/go.mod h1:x7DCsMOv1taUwEWCzT4cmDeAkigA5/QCwUodaVOe8Ww=
github.com/gdamore/optopia v0.2.0/go.mod h1:YKYEwo5C1Pa617H7NlPcmQXl+vG6YnSSNB44n8dNL0Q=
@@ -102,6 +138,8 @@ github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
+github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
+github.com/go-sourcemap/sourcemap v2.1.2+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg=
github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
@@ -125,6 +163,8 @@ github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw
github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.2-0.20200707131729-196ae77b8a26 h1:lMm2hD9Fy0ynom5+85/pbdkiYcBqM1JWmhpAXLmy0fw=
+github.com/golang/snappy v0.0.2-0.20200707131729-196ae77b8a26/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -138,9 +178,11 @@ github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/gorilla/rpc v1.2.0 h1:WvvdC2lNeT1SP32zrIce5l0ECBfbAlmrmSBsuc57wfk=
github.com/gorilla/rpc v1.2.0/go.mod h1:V4h9r+4sF5HnzqbwIez0fKSpANP0zlYd3qR7p36jkTQ=
+github.com/gorilla/websocket v1.4.1-0.20190629185528-ae1634f6a989/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/graph-gophers/graphql-go v0.0.0-20191115155744-f33e81362277/go.mod h1:9CQHMSxwO4MprSdzoIEobiHpoLtHm77vfxsvsIN5Vuc=
github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd h1:rNuUHR+CvK1IS89MMtcF0EpcVMZtjKfPRp4MEmt/aTs=
github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd/go.mod h1:9bjs9uLqI8l75knNv3lV1kA55veR+WUPSiKIWcQHudI=
github.com/hashicorp/go-hclog v0.14.1 h1:nQcJDQwIAGnmoUWp8ubocEX40cCml/17YkF6csQLReU=
@@ -152,23 +194,31 @@ github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+l
github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb h1:b5rjCoWHc7eqmAS4/qyk21ZsHyb6Mxv/jykxvNTkU4M=
github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
+github.com/holiman/uint256 v1.1.1 h1:4JywC80b+/hSfljFlEBLHrrh+CIONLDz9NuFl0af4Mw=
+github.com/holiman/uint256 v1.1.1/go.mod h1:y4ga/t+u+Xwd7CpDgZESaRcWy0I7XMlTMA25ApIH5Jw=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/huin/goupnp v1.0.0 h1:wg75sLpL6DZqwHQN6E1Cfk6mtfzS45z8OV+ic+DtHRo=
github.com/huin/goupnp v1.0.0/go.mod h1:n9v9KO1tAxYH82qOn+UTIFQDmx5n1Zxd/ClZDMX7Bnc=
github.com/huin/goutil v0.0.0-20170803182201-1ca381bf3150/go.mod h1:PpLOETDnJ0o3iZrZfqZzyLl6l7F3c6L1oWn7OICBi6o=
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github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
github.com/jackpal/gateway v1.0.6/go.mod h1:lTpwd4ACLXmpyiCTRtfiNyVnUmqT9RivzCDQetPfnjA=
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github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
github.com/jcmturner/gofork v1.0.0/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o=
github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
github.com/jhump/protoreflect v1.6.0 h1:h5jfMVslIg6l29nsMs0D8Wj17RDVdNYti0vDN/PZZoE=
github.com/jhump/protoreflect v1.6.0/go.mod h1:eaTn3RZAmMBcV0fifFvlm6VHNz3wSkYyXYWUh7ymB74=
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github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
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@@ -187,14 +237,20 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
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@@ -211,25 +267,37 @@ github.com/mozilla/tls-observatory v0.0.0-20200317151703-4fa42e1c2dee/go.mod h1:
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@@ -250,6 +318,7 @@ github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:
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@@ -263,19 +332,28 @@ github.com/prometheus/procfs v0.0.11 h1:DhHlBtkHWPYi8O2y31JkK0TF+DGM+51OopZjH/Ia
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@@ -291,11 +369,15 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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github.com/tyler-smith/go-bip39 v1.0.2 h1:+t3w+KwLXO6154GNJY+qUtIxLTmFjfUmpguQT1OlOT8=
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github.com/wsddn/go-ecdh v0.0.0-20161211032359-48726bab9208 h1:1cngl9mPEoITZG8s8cVcUy5CeIBYhEESkOB7m6Gmkrk=
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@@ -338,8 +420,12 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2 h1:eDrdRpKgkcCqKZQwyZRyeFZgfqt37SL7Kv3tok06cKE=
golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -351,6 +437,7 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180926160741-c2ed4eda69e7/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181128092732-4ed8d59d0b35/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -359,6 +446,8 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -369,12 +458,18 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f h1:gWF768j/LaZugp8dyS4UwsslYCYz9XgFxvlgsn0n9H8=
golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 h1:ogLJMz+qpzav7lGMh10LMvAkM/fAoGlaiiHYiFYdm80=
golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200824131525-c12d262b63d8 h1:AvbQYmiaaaza3cW3QXRyPo5kYgpFIzOAfeAAN7m3qQ4=
+golang.org/x/sys v0.0.0-20200824131525-c12d262b63d8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -388,6 +483,7 @@ golang.org/x/tools v0.0.0-20200331202046-9d5940d49312/go.mod h1:EkVYQZoAsY45+roY
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20170818010345-ee236bd376b0/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -415,6 +511,7 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/bsm/ratelimit.v1 v1.0.0-20160220154919-db14e161995a/go.mod h1:KF9sEfUPAXdG8Oev9e99iLGnl2uJMjc5B+4y3O7x610=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
@@ -437,6 +534,9 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
nanomsg.org/go/mangos/v2 v2.0.8/go.mod h1:gngxudWUZkxqHN+8n/2y9gWZPcwmSbliFYJsYG8mbKs=
diff --git a/hacked-list.txt b/hacked-list.txt
new file mode 100644
index 0000000..3182b56
--- /dev/null
+++ b/hacked-list.txt
@@ -0,0 +1,43 @@
+./consensus/dummy/consensus.go
+./consensus/clique/clique.go
+./consensus/consensus.go
+./consensus/ethash/consensus.go
+./core/blockchain.go
+./core/events.go
+./core/evm.go
+./core/genesis.go
+./core/gen_genesis_account.go
+./core/gen_genesis.go
+./core/rawdb/accessors_chain.go
+./core/state/journal.go
+./core/state_processor.go
+./core/state/statedb.go
+./core/state/state_object.go
+./core/tx_pool.go
+./core/types/block.go
+./core/vm/errors.go
+./core/vm/evm.go
+./core/vm/instructions.go
+./core/vm/interface.go
+./core/vm/interpreter.go
+./core/vm/jump_table.go
+./core/vm/memory_table.go
+./core/vm/opcodes.go
+./eth/api_backend.go
+./eth/api.go
+./eth/api_tracer.go
+./eth/backend.go
+./eth/config.go
+./eth/gen_config.go
+./eth/tracers/internal/tracers/assets.go
+./internal/ethapi/api.go
+./internal/ethapi/backend.go
+./miner/miner.go
+./miner/worker.go
+./node/api.go
+./node/config.go
+./node/node.go
+./node/service.go
+./params/protocol_params.go
+./rpc/client.go
+./rpc/types.go
diff --git a/internal/debug/api.go b/internal/debug/api.go
index 7fba1ee..86a4218 100644
--- a/internal/debug/api.go
+++ b/internal/debug/api.go
@@ -34,7 +34,7 @@ import (
"sync"
"time"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
// Handler is the global debugging handler.
diff --git a/internal/debug/flags.go b/internal/debug/flags.go
index 3247ace..3b077b6 100644
--- a/internal/debug/flags.go
+++ b/internal/debug/flags.go
@@ -24,9 +24,9 @@ import (
"os"
"runtime"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/metrics"
- "github.com/ava-labs/go-ethereum/metrics/exp"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/metrics"
+ "github.com/ethereum/go-ethereum/metrics/exp"
"github.com/fjl/memsize/memsizeui"
colorable "github.com/mattn/go-colorable"
"github.com/mattn/go-isatty"
@@ -60,39 +60,68 @@ var (
Usage: "Enable the pprof HTTP server",
}
pprofPortFlag = cli.IntFlag{
- Name: "pprofport",
+ Name: "pprof.port",
Usage: "pprof HTTP server listening port",
Value: 6060,
}
pprofAddrFlag = cli.StringFlag{
- Name: "pprofaddr",
+ Name: "pprof.addr",
Usage: "pprof HTTP server listening interface",
Value: "127.0.0.1",
}
memprofilerateFlag = cli.IntFlag{
- Name: "memprofilerate",
+ Name: "pprof.memprofilerate",
Usage: "Turn on memory profiling with the given rate",
Value: runtime.MemProfileRate,
}
blockprofilerateFlag = cli.IntFlag{
- Name: "blockprofilerate",
+ Name: "pprof.blockprofilerate",
Usage: "Turn on block profiling with the given rate",
}
cpuprofileFlag = cli.StringFlag{
- Name: "cpuprofile",
+ Name: "pprof.cpuprofile",
Usage: "Write CPU profile to the given file",
}
traceFlag = cli.StringFlag{
Name: "trace",
Usage: "Write execution trace to the given file",
}
+ // (Deprecated April 2020)
+ legacyPprofPortFlag = cli.IntFlag{
+ Name: "pprofport",
+ Usage: "pprof HTTP server listening port (deprecated, use --pprof.port)",
+ Value: 6060,
+ }
+ legacyPprofAddrFlag = cli.StringFlag{
+ Name: "pprofaddr",
+ Usage: "pprof HTTP server listening interface (deprecated, use --pprof.addr)",
+ Value: "127.0.0.1",
+ }
+ legacyMemprofilerateFlag = cli.IntFlag{
+ Name: "memprofilerate",
+ Usage: "Turn on memory profiling with the given rate (deprecated, use --pprof.memprofilerate)",
+ Value: runtime.MemProfileRate,
+ }
+ legacyBlockprofilerateFlag = cli.IntFlag{
+ Name: "blockprofilerate",
+ Usage: "Turn on block profiling with the given rate (deprecated, use --pprof.blockprofilerate)",
+ }
+ legacyCpuprofileFlag = cli.StringFlag{
+ Name: "cpuprofile",
+ Usage: "Write CPU profile to the given file (deprecated, use --pprof.cpuprofile)",
+ }
)
// Flags holds all command-line flags required for debugging.
var Flags = []cli.Flag{
verbosityFlag, vmoduleFlag, backtraceAtFlag, debugFlag,
- pprofFlag, pprofAddrFlag, pprofPortFlag,
- memprofilerateFlag, blockprofilerateFlag, cpuprofileFlag, traceFlag,
+ pprofFlag, pprofAddrFlag, pprofPortFlag, memprofilerateFlag,
+ blockprofilerateFlag, cpuprofileFlag, traceFlag,
+}
+
+var DeprecatedFlags = []cli.Flag{
+ legacyPprofPortFlag, legacyPprofAddrFlag, legacyMemprofilerateFlag,
+ legacyBlockprofilerateFlag, legacyCpuprofileFlag,
}
var (
@@ -112,51 +141,73 @@ func init() {
// Setup initializes profiling and logging based on the CLI flags.
// It should be called as early as possible in the program.
-func Setup(ctx *cli.Context, logdir string) error {
+func Setup(ctx *cli.Context) error {
// logging
log.PrintOrigins(ctx.GlobalBool(debugFlag.Name))
- if logdir != "" {
- rfh, err := log.RotatingFileHandler(
- logdir,
- 262144,
- log.JSONFormatOrderedEx(false, true),
- )
- if err != nil {
- return err
- }
- glogger.SetHandler(log.MultiHandler(ostream, rfh))
- }
glogger.Verbosity(log.Lvl(ctx.GlobalInt(verbosityFlag.Name)))
glogger.Vmodule(ctx.GlobalString(vmoduleFlag.Name))
glogger.BacktraceAt(ctx.GlobalString(backtraceAtFlag.Name))
log.Root().SetHandler(glogger)
// profiling, tracing
+ if ctx.GlobalIsSet(legacyMemprofilerateFlag.Name) {
+ runtime.MemProfileRate = ctx.GlobalInt(legacyMemprofilerateFlag.Name)
+ log.Warn("The flag --memprofilerate is deprecated and will be removed in the future, please use --pprof.memprofilerate")
+ }
runtime.MemProfileRate = ctx.GlobalInt(memprofilerateFlag.Name)
+
+ if ctx.GlobalIsSet(legacyBlockprofilerateFlag.Name) {
+ Handler.SetBlockProfileRate(ctx.GlobalInt(legacyBlockprofilerateFlag.Name))
+ log.Warn("The flag --blockprofilerate is deprecated and will be removed in the future, please use --pprof.blockprofilerate")
+ }
Handler.SetBlockProfileRate(ctx.GlobalInt(blockprofilerateFlag.Name))
+
if traceFile := ctx.GlobalString(traceFlag.Name); traceFile != "" {
if err := Handler.StartGoTrace(traceFile); err != nil {
return err
}
}
+
if cpuFile := ctx.GlobalString(cpuprofileFlag.Name); cpuFile != "" {
if err := Handler.StartCPUProfile(cpuFile); err != nil {
return err
}
}
+ if cpuFile := ctx.GlobalString(legacyCpuprofileFlag.Name); cpuFile != "" {
+ log.Warn("The flag --cpuprofile is deprecated and will be removed in the future, please use --pprof.cpuprofile")
+ if err := Handler.StartCPUProfile(cpuFile); err != nil {
+ return err
+ }
+ }
// pprof server
if ctx.GlobalBool(pprofFlag.Name) {
- address := fmt.Sprintf("%s:%d", ctx.GlobalString(pprofAddrFlag.Name), ctx.GlobalInt(pprofPortFlag.Name))
- StartPProf(address)
+ listenHost := ctx.GlobalString(pprofAddrFlag.Name)
+ if ctx.GlobalIsSet(legacyPprofAddrFlag.Name) && !ctx.GlobalIsSet(pprofAddrFlag.Name) {
+ listenHost = ctx.GlobalString(legacyPprofAddrFlag.Name)
+ log.Warn("The flag --pprofaddr is deprecated and will be removed in the future, please use --pprof.addr")
+ }
+
+ port := ctx.GlobalInt(pprofPortFlag.Name)
+ if ctx.GlobalIsSet(legacyPprofPortFlag.Name) && !ctx.GlobalIsSet(pprofPortFlag.Name) {
+ port = ctx.GlobalInt(legacyPprofPortFlag.Name)
+ log.Warn("The flag --pprofport is deprecated and will be removed in the future, please use --pprof.port")
+ }
+
+ address := fmt.Sprintf("%s:%d", listenHost, port)
+ // This context value ("metrics.addr") represents the utils.MetricsHTTPFlag.Name.
+ // It cannot be imported because it will cause a cyclical dependency.
+ StartPProf(address, !ctx.GlobalIsSet("metrics.addr"))
}
return nil
}
-func StartPProf(address string) {
+func StartPProf(address string, withMetrics bool) {
// Hook go-metrics into expvar on any /debug/metrics request, load all vars
// from the registry into expvar, and execute regular expvar handler.
- exp.Exp(metrics.DefaultRegistry)
+ if withMetrics {
+ exp.Exp(metrics.DefaultRegistry)
+ }
http.Handle("/memsize/", http.StripPrefix("/memsize", &Memsize))
log.Info("Starting pprof server", "addr", fmt.Sprintf("http://%s/debug/pprof", address))
go func() {
diff --git a/internal/debug/trace.go b/internal/debug/trace.go
index 898a1d7..cab5dea 100644
--- a/internal/debug/trace.go
+++ b/internal/debug/trace.go
@@ -23,7 +23,7 @@ import (
"os"
"runtime/trace"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
// StartGoTrace turns on tracing, writing to the given file.
diff --git a/internal/ethapi/addrlock.go b/internal/ethapi/addrlock.go
index ab96ae1..61ddff6 100644
--- a/internal/ethapi/addrlock.go
+++ b/internal/ethapi/addrlock.go
@@ -19,7 +19,7 @@ package ethapi
import (
"sync"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
type AddrLocker struct {
diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 8bc2f94..9915ad4 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -30,26 +30,22 @@ import (
"github.com/ava-labs/coreth/accounts/scwallet"
"github.com/ava-labs/coreth/consensus/ethash"
"github.com/ava-labs/coreth/core"
- "github.com/ava-labs/coreth/core/rawdb"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/common/math"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/p2p"
- "github.com/ava-labs/go-ethereum/rlp"
"github.com/davecgh/go-spew/spew"
+ "github.com/ethereum/go-ethereum/accounts/abi"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common/math"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/rlp"
"github.com/tyler-smith/go-bip39"
)
-const (
- defaultGasPrice = params.GWei
-)
-
// PublicEthereumAPI provides an API to access Ethereum related information.
// It offers only methods that operate on public data that is freely available to anyone.
type PublicEthereumAPI struct {
@@ -279,7 +275,11 @@ func (s *PrivateAccountAPI) DeriveAccount(url string, path string, pin *bool) (a
// NewAccount will create a new account and returns the address for the new account.
func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
- acc, err := fetchKeystore(s.am).NewAccount(password)
+ ks, err := fetchKeystore(s.am)
+ if err != nil {
+ return common.Address{}, err
+ }
+ acc, err := ks.NewAccount(password)
if err == nil {
log.Info("Your new key was generated", "address", acc.Address)
log.Warn("Please backup your key file!", "path", acc.URL.Path)
@@ -289,9 +289,12 @@ func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error)
return common.Address{}, err
}
-// fetchKeystore retrives the encrypted keystore from the account manager.
-func fetchKeystore(am *accounts.Manager) *keystore.KeyStore {
- return am.Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
+// fetchKeystore retrieves the encrypted keystore from the account manager.
+func fetchKeystore(am *accounts.Manager) (*keystore.KeyStore, error) {
+ if ks := am.Backends(keystore.KeyStoreType); len(ks) > 0 {
+ return ks[0].(*keystore.KeyStore), nil
+ }
+ return nil, errors.New("local keystore not used")
}
// ImportRawKey stores the given hex encoded ECDSA key into the key directory,
@@ -301,7 +304,11 @@ func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (commo
if err != nil {
return common.Address{}, err
}
- acc, err := fetchKeystore(s.am).ImportECDSA(key, password)
+ ks, err := fetchKeystore(s.am)
+ if err != nil {
+ return common.Address{}, err
+ }
+ acc, err := ks.ImportECDSA(key, password)
return acc.Address, err
}
@@ -325,7 +332,11 @@ func (s *PrivateAccountAPI) UnlockAccount(ctx context.Context, addr common.Addre
} else {
d = time.Duration(*duration) * time.Second
}
- err := fetchKeystore(s.am).TimedUnlock(accounts.Account{Address: addr}, password, d)
+ ks, err := fetchKeystore(s.am)
+ if err != nil {
+ return false, err
+ }
+ err = ks.TimedUnlock(accounts.Account{Address: addr}, password, d)
if err != nil {
log.Warn("Failed account unlock attempt", "address", addr, "err", err)
}
@@ -334,7 +345,10 @@ func (s *PrivateAccountAPI) UnlockAccount(ctx context.Context, addr common.Addre
// LockAccount will lock the account associated with the given address when it's unlocked.
func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
- return fetchKeystore(s.am).Lock(addr) == nil
+ if ks, err := fetchKeystore(s.am); err == nil {
+ return ks.Lock(addr) == nil
+ }
+ return false
}
// signTransaction sets defaults and signs the given transaction
@@ -391,6 +405,10 @@ func (s *PrivateAccountAPI) SignTransaction(ctx context.Context, args SendTxArgs
if args.Nonce == nil {
return nil, fmt.Errorf("nonce not specified")
}
+ // Before actually sign the transaction, ensure the transaction fee is reasonable.
+ if err := checkTxFee(args.GasPrice.ToInt(), uint64(*args.Gas), s.b.RPCTxFeeCap()); err != nil {
+ return nil, err
+ }
signed, err := s.signTransaction(ctx, &args, passwd)
if err != nil {
log.Warn("Failed transaction sign attempt", "from", args.From, "to", args.To, "value", args.Value.ToInt(), "err", err)
@@ -485,7 +503,7 @@ func (s *PrivateAccountAPI) InitializeWallet(ctx context.Context, url string) (s
case *scwallet.Wallet:
return mnemonic, wallet.Initialize(seed)
default:
- return "", fmt.Errorf("Specified wallet does not support initialization")
+ return "", fmt.Errorf("specified wallet does not support initialization")
}
}
@@ -500,7 +518,7 @@ func (s *PrivateAccountAPI) Unpair(ctx context.Context, url string, pin string)
case *scwallet.Wallet:
return wallet.Unpair([]byte(pin))
default:
- return fmt.Errorf("Specified wallet does not support pairing")
+ return fmt.Errorf("specified wallet does not support pairing")
}
}
@@ -529,8 +547,8 @@ func (s *PublicBlockChainAPI) BlockNumber() hexutil.Uint64 {
// GetBalance returns the amount of wei for the given address in the state of the
// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
// block numbers are also allowed.
-func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*hexutil.Big, error) {
- state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
+func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*hexutil.Big, error) {
+ state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
return nil, err
}
@@ -554,8 +572,8 @@ type StorageResult struct {
}
// GetProof returns the Merkle-proof for a given account and optionally some storage keys.
-func (s *PublicBlockChainAPI) GetProof(ctx context.Context, address common.Address, storageKeys []string, blockNr rpc.BlockNumber) (*AccountResult, error) {
- state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
+func (s *PublicBlockChainAPI) GetProof(ctx context.Context, address common.Address, storageKeys []string, blockNrOrHash rpc.BlockNumberOrHash) (*AccountResult, error) {
+ state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
return nil, err
}
@@ -609,7 +627,7 @@ func (s *PublicBlockChainAPI) GetProof(ctx context.Context, address common.Addre
func (s *PublicBlockChainAPI) GetHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (map[string]interface{}, error) {
header, err := s.b.HeaderByNumber(ctx, number)
if header != nil && err == nil {
- response := s.rpcMarshalHeader(header)
+ response := s.rpcMarshalHeader(ctx, header)
if number == rpc.PendingBlockNumber {
// Pending header need to nil out a few fields
for _, field := range []string{"hash", "nonce", "miner"} {
@@ -625,7 +643,7 @@ func (s *PublicBlockChainAPI) GetHeaderByNumber(ctx context.Context, number rpc.
func (s *PublicBlockChainAPI) GetHeaderByHash(ctx context.Context, hash common.Hash) map[string]interface{} {
header, _ := s.b.HeaderByHash(ctx, hash)
if header != nil {
- return s.rpcMarshalHeader(header)
+ return s.rpcMarshalHeader(ctx, header)
}
return nil
}
@@ -638,7 +656,7 @@ func (s *PublicBlockChainAPI) GetHeaderByHash(ctx context.Context, hash common.H
func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
block, err := s.b.BlockByNumber(ctx, number)
if block != nil && err == nil {
- response, err := s.rpcMarshalBlock(block, true, fullTx)
+ response, err := s.rpcMarshalBlock(ctx, block, true, fullTx)
if err == nil && number == rpc.PendingBlockNumber {
// Pending blocks need to nil out a few fields
for _, field := range []string{"hash", "nonce", "miner"} {
@@ -655,7 +673,7 @@ func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, number rpc.B
func (s *PublicBlockChainAPI) GetBlockByHash(ctx context.Context, hash common.Hash, fullTx bool) (map[string]interface{}, error) {
block, err := s.b.BlockByHash(ctx, hash)
if block != nil {
- return s.rpcMarshalBlock(block, true, fullTx)
+ return s.rpcMarshalBlock(ctx, block, true, fullTx)
}
return nil, err
}
@@ -671,7 +689,7 @@ func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(ctx context.Context,
return nil, nil
}
block = types.NewBlockWithHeader(uncles[index])
- return s.rpcMarshalBlock(block, false, false)
+ return s.rpcMarshalBlock(ctx, block, false, false)
}
return nil, err
}
@@ -687,7 +705,7 @@ func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(ctx context.Context, b
return nil, nil
}
block = types.NewBlockWithHeader(uncles[index])
- return s.rpcMarshalBlock(block, false, false)
+ return s.rpcMarshalBlock(ctx, block, false, false)
}
return nil, err
}
@@ -711,8 +729,8 @@ func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(ctx context.Context, bloc
}
// GetCode returns the code stored at the given address in the state for the given block number.
-func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (hexutil.Bytes, error) {
- state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
+func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
+ state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
return nil, err
}
@@ -723,8 +741,8 @@ func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Addres
// GetStorageAt returns the storage from the state at the given address, key and
// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
// numbers are also allowed.
-func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNr rpc.BlockNumber) (hexutil.Bytes, error) {
- state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
+func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
+ state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
return nil, err
}
@@ -742,6 +760,45 @@ type CallArgs struct {
Data *hexutil.Bytes `json:"data"`
}
+// ToMessage converts CallArgs to the Message type used by the core evm
+func (args *CallArgs) ToMessage(globalGasCap uint64) types.Message {
+ // Set sender address or use zero address if none specified.
+ var addr common.Address
+ if args.From != nil {
+ addr = *args.From
+ }
+
+ // Set default gas & gas price if none were set
+ gas := globalGasCap
+ if gas == 0 {
+ gas = uint64(math.MaxUint64 / 2)
+ }
+ if args.Gas != nil {
+ gas = uint64(*args.Gas)
+ }
+ if globalGasCap != 0 && globalGasCap < gas {
+ log.Warn("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
+ gas = globalGasCap
+ }
+ gasPrice := new(big.Int)
+ if args.GasPrice != nil {
+ gasPrice = args.GasPrice.ToInt()
+ }
+
+ value := new(big.Int)
+ if args.Value != nil {
+ value = args.Value.ToInt()
+ }
+
+ var data []byte
+ if args.Data != nil {
+ data = []byte(*args.Data)
+ }
+
+ msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, false)
+ return msg
+}
+
// account indicates the overriding fields of account during the execution of
// a message call.
// Note, state and stateDiff can't be specified at the same time. If state is
@@ -756,23 +813,12 @@ type account struct {
StateDiff *map[common.Hash]common.Hash `json:"stateDiff"`
}
-func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumber, overrides map[common.Address]account, vmCfg vm.Config, timeout time.Duration, globalGasCap *big.Int) ([]byte, uint64, bool, error) {
+func DoCall(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides map[common.Address]account, vmCfg vm.Config, timeout time.Duration, globalGasCap uint64) (*core.ExecutionResult, error) {
defer func(start time.Time) { log.Debug("Executing EVM call finished", "runtime", time.Since(start)) }(time.Now())
- state, header, err := b.StateAndHeaderByNumber(ctx, blockNr)
+ state, header, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
- return nil, 0, false, err
- }
- // Set sender address or use a default if none specified
- var addr common.Address
- if args.From == nil {
- if wallets := b.AccountManager().Wallets(); len(wallets) > 0 {
- if accounts := wallets[0].Accounts(); len(accounts) > 0 {
- addr = accounts[0].Address
- }
- }
- } else {
- addr = *args.From
+ return nil, err
}
// Override the fields of specified contracts before execution.
for addr, account := range overrides {
@@ -789,7 +835,7 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumb
state.SetBalance(addr, (*big.Int)(*account.Balance))
}
if account.State != nil && account.StateDiff != nil {
- return nil, 0, false, fmt.Errorf("account %s has both 'state' and 'stateDiff'", addr.Hex())
+ return nil, fmt.Errorf("account %s has both 'state' and 'stateDiff'", addr.Hex())
}
// Replace entire state if caller requires.
if account.State != nil {
@@ -802,33 +848,6 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumb
}
}
}
- // Set default gas & gas price if none were set
- gas := uint64(math.MaxUint64 / 2)
- if args.Gas != nil {
- gas = uint64(*args.Gas)
- }
- if globalGasCap != nil && globalGasCap.Uint64() < gas {
- log.Warn("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
- gas = globalGasCap.Uint64()
- }
- gasPrice := new(big.Int).SetUint64(defaultGasPrice)
- if args.GasPrice != nil {
- gasPrice = args.GasPrice.ToInt()
- }
-
- value := new(big.Int)
- if args.Value != nil {
- value = args.Value.ToInt()
- }
-
- var data []byte
- if args.Data != nil {
- data = []byte(*args.Data)
- }
-
- // Create new call message
- msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, false)
-
// Setup context so it may be cancelled the call has completed
// or, in case of unmetered gas, setup a context with a timeout.
var cancel context.CancelFunc
@@ -842,9 +861,10 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumb
defer cancel()
// Get a new instance of the EVM.
+ msg := args.ToMessage(globalGasCap)
evm, vmError, err := b.GetEVM(ctx, msg, state, header)
if err != nil {
- return nil, 0, false, err
+ return nil, err
}
// Wait for the context to be done and cancel the evm. Even if the
// EVM has finished, cancelling may be done (repeatedly)
@@ -856,15 +876,48 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumb
// Setup the gas pool (also for unmetered requests)
// and apply the message.
gp := new(core.GasPool).AddGas(math.MaxUint64)
- res, gas, failed, err := core.ApplyMessage(evm, msg, gp)
+ result, err := core.ApplyMessage(evm, msg, gp)
if err := vmError(); err != nil {
- return nil, 0, false, err
+ return nil, err
}
// If the timer caused an abort, return an appropriate error message
if evm.Cancelled() {
- return nil, 0, false, fmt.Errorf("execution aborted (timeout = %v)", timeout)
+ return nil, fmt.Errorf("execution aborted (timeout = %v)", timeout)
}
- return res, gas, failed, err
+ if err != nil {
+ return result, fmt.Errorf("err: %w (supplied gas %d)", err, msg.Gas())
+ }
+ return result, nil
+}
+
+func newRevertError(result *core.ExecutionResult) *revertError {
+ reason, errUnpack := abi.UnpackRevert(result.Revert())
+ err := errors.New("execution reverted")
+ if errUnpack == nil {
+ err = fmt.Errorf("execution reverted: %v", reason)
+ }
+ return &revertError{
+ error: err,
+ reason: hexutil.Encode(result.Revert()),
+ }
+}
+
+// revertError is an API error that encompassas an EVM revertal with JSON error
+// code and a binary data blob.
+type revertError struct {
+ error
+ reason string // revert reason hex encoded
+}
+
+// ErrorCode returns the JSON error code for a revertal.
+// See: https://github.com/ethereum/wiki/wiki/JSON-RPC-Error-Codes-Improvement-Proposal
+func (e *revertError) ErrorCode() int {
+ return 3
+}
+
+// ErrorData returns the hex encoded revert reason.
+func (e *revertError) ErrorData() interface{} {
+ return e.reason
}
// Call executes the given transaction on the state for the given block number.
@@ -873,52 +926,103 @@ func DoCall(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumb
//
// Note, this function doesn't make and changes in the state/blockchain and is
// useful to execute and retrieve values.
-func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber, overrides *map[common.Address]account) (hexutil.Bytes, error) {
+func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *map[common.Address]account) (hexutil.Bytes, error) {
var accounts map[common.Address]account
if overrides != nil {
accounts = *overrides
}
- result, _, _, err := DoCall(ctx, s.b, args, blockNr, accounts, vm.Config{}, 5*time.Second, s.b.RPCGasCap())
- return (hexutil.Bytes)(result), err
+ result, err := DoCall(ctx, s.b, args, blockNrOrHash, accounts, vm.Config{}, 5*time.Second, s.b.RPCGasCap())
+ if err != nil {
+ return nil, err
+ }
+ // If the result contains a revert reason, try to unpack and return it.
+ if len(result.Revert()) > 0 {
+ return nil, newRevertError(result)
+ }
+ return result.Return(), result.Err
}
-func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNr rpc.BlockNumber, gasCap *big.Int) (hexutil.Uint64, error) {
+func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, gasCap uint64) (hexutil.Uint64, error) {
// Binary search the gas requirement, as it may be higher than the amount used
var (
lo uint64 = params.TxGas - 1
hi uint64
cap uint64
)
+ // Use zero address if sender unspecified.
+ if args.From == nil {
+ args.From = new(common.Address)
+ }
+ // Determine the highest gas limit can be used during the estimation.
if args.Gas != nil && uint64(*args.Gas) >= params.TxGas {
hi = uint64(*args.Gas)
} else {
// Retrieve the block to act as the gas ceiling
- block, err := b.BlockByNumber(ctx, blockNr)
+ block, err := b.BlockByNumberOrHash(ctx, blockNrOrHash)
if err != nil {
return 0, err
}
hi = block.GasLimit()
}
- if gasCap != nil && hi > gasCap.Uint64() {
+ // Recap the highest gas limit with account's available balance.
+ if args.GasPrice != nil && args.GasPrice.ToInt().BitLen() != 0 {
+ state, _, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
+ if err != nil {
+ return 0, err
+ }
+ balance := state.GetBalance(*args.From) // from can't be nil
+ available := new(big.Int).Set(balance)
+ if args.Value != nil {
+ if args.Value.ToInt().Cmp(available) >= 0 {
+ return 0, errors.New("insufficient funds for transfer")
+ }
+ available.Sub(available, args.Value.ToInt())
+ }
+ allowance := new(big.Int).Div(available, args.GasPrice.ToInt())
+
+ // If the allowance is larger than maximum uint64, skip checking
+ if allowance.IsUint64() && hi > allowance.Uint64() {
+ transfer := args.Value
+ if transfer == nil {
+ transfer = new(hexutil.Big)
+ }
+ log.Warn("Gas estimation capped by limited funds", "original", hi, "balance", balance,
+ "sent", transfer.ToInt(), "gasprice", args.GasPrice.ToInt(), "fundable", allowance)
+ hi = allowance.Uint64()
+ }
+ }
+ // Recap the highest gas allowance with specified gascap.
+ if gasCap != 0 && hi > gasCap {
log.Warn("Caller gas above allowance, capping", "requested", hi, "cap", gasCap)
- hi = gasCap.Uint64()
+ hi = gasCap
}
cap = hi
// Create a helper to check if a gas allowance results in an executable transaction
- executable := func(gas uint64) bool {
+ executable := func(gas uint64) (bool, *core.ExecutionResult, error) {
args.Gas = (*hexutil.Uint64)(&gas)
- _, _, failed, err := DoCall(ctx, b, args, rpc.PendingBlockNumber, nil, vm.Config{}, 0, gasCap)
- if err != nil || failed {
- return false
+ result, err := DoCall(ctx, b, args, blockNrOrHash, nil, vm.Config{}, 0, gasCap)
+ if err != nil {
+ if errors.Is(err, core.ErrIntrinsicGas) {
+ return true, nil, nil // Special case, raise gas limit
+ }
+ return true, nil, err // Bail out
}
- return true
+ return result.Failed(), result, nil
}
// Execute the binary search and hone in on an executable gas limit
for lo+1 < hi {
mid := (hi + lo) / 2
- if !executable(mid) {
+ failed, _, err := executable(mid)
+
+ // If the error is not nil(consensus error), it means the provided message
+ // call or transaction will never be accepted no matter how much gas it is
+ // assigned. Return the error directly, don't struggle any more.
+ if err != nil {
+ return 0, err
+ }
+ if failed {
lo = mid
} else {
hi = mid
@@ -926,8 +1030,19 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNr rpc.Bl
}
// Reject the transaction as invalid if it still fails at the highest allowance
if hi == cap {
- if !executable(hi) {
- return 0, fmt.Errorf("gas required exceeds allowance (%d) or always failing transaction", cap)
+ failed, result, err := executable(hi)
+ if err != nil {
+ return 0, err
+ }
+ if failed {
+ if result != nil && result.Err != vm.ErrOutOfGas {
+ if len(result.Revert()) > 0 {
+ return 0, newRevertError(result)
+ }
+ return 0, result.Err
+ }
+ // Otherwise, the specified gas cap is too low
+ return 0, fmt.Errorf("gas required exceeds allowance (%d)", cap)
}
}
return hexutil.Uint64(hi), nil
@@ -936,7 +1051,8 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNr rpc.Bl
// EstimateGas returns an estimate of the amount of gas needed to execute the
// given transaction against the current pending block.
func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs) (hexutil.Uint64, error) {
- return DoEstimateGas(ctx, s.b, args, rpc.PendingBlockNumber, s.b.RPCGasCap())
+ blockNrOrHash := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
+ return DoEstimateGas(ctx, s.b, args, blockNrOrHash, s.b.RPCGasCap())
}
// ExecutionResult groups all structured logs emitted by the EVM
@@ -1061,20 +1177,22 @@ func RPCMarshalBlock(block *types.Block, inclTx bool, fullTx bool) (map[string]i
// rpcMarshalHeader uses the generalized output filler, then adds the total difficulty field, which requires
// a `PublicBlockchainAPI`.
-func (s *PublicBlockChainAPI) rpcMarshalHeader(header *types.Header) map[string]interface{} {
+func (s *PublicBlockChainAPI) rpcMarshalHeader(ctx context.Context, header *types.Header) map[string]interface{} {
fields := RPCMarshalHeader(header)
- fields["totalDifficulty"] = (*hexutil.Big)(s.b.GetTd(header.Hash()))
+ fields["totalDifficulty"] = (*hexutil.Big)(s.b.GetTd(ctx, header.Hash()))
return fields
}
// rpcMarshalBlock uses the generalized output filler, then adds the total difficulty field, which requires
// a `PublicBlockchainAPI`.
-func (s *PublicBlockChainAPI) rpcMarshalBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
+func (s *PublicBlockChainAPI) rpcMarshalBlock(ctx context.Context, b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
fields, err := RPCMarshalBlock(b, inclTx, fullTx)
if err != nil {
return nil, err
}
- fields["totalDifficulty"] = (*hexutil.Big)(s.b.GetTd(b.Hash()))
+ if inclTx {
+ fields["totalDifficulty"] = (*hexutil.Big)(s.b.GetTd(ctx, b.Hash()))
+ }
return fields, err
}
@@ -1223,9 +1341,9 @@ func (s *PublicTransactionPoolAPI) GetRawTransactionByBlockHashAndIndex(ctx cont
}
// GetTransactionCount returns the number of transactions the given address has sent for the given block number
-func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*hexutil.Uint64, error) {
+func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*hexutil.Uint64, error) {
// Ask transaction pool for the nonce which includes pending transactions
- if blockNr == rpc.PendingBlockNumber {
+ if blockNr, ok := blockNrOrHash.Number(); ok && blockNr == rpc.PendingBlockNumber {
nonce, err := s.b.GetPoolNonce(ctx, address)
if err != nil {
return nil, err
@@ -1233,7 +1351,7 @@ func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, addr
return (*hexutil.Uint64)(&nonce), nil
}
// Resolve block number and use its state to ask for the nonce
- state, _, err := s.b.StateAndHeaderByNumber(ctx, blockNr)
+ state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
if state == nil || err != nil {
return nil, err
}
@@ -1279,8 +1397,8 @@ func (s *PublicTransactionPoolAPI) GetRawTransactionByHash(ctx context.Context,
// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(ctx context.Context, hash common.Hash) (map[string]interface{}, error) {
- tx, blockHash, blockNumber, index := rawdb.ReadTransaction(s.b.ChainDb(), hash)
- if tx == nil {
+ tx, blockHash, blockNumber, index, err := s.b.GetTransaction(ctx, hash)
+ if err != nil {
return nil, nil
}
receipts, err := s.b.GetReceipts(ctx, blockHash)
@@ -1375,7 +1493,7 @@ func (args *SendTxArgs) setDefaults(ctx context.Context, b Backend) error {
args.Nonce = (*hexutil.Uint64)(&nonce)
}
if args.Data != nil && args.Input != nil && !bytes.Equal(*args.Data, *args.Input) {
- return errors.New(`Both "data" and "input" are set and not equal. Please use "input" to pass transaction call data.`)
+ return errors.New(`both "data" and "input" are set and not equal. Please use "input" to pass transaction call data`)
}
if args.To == nil {
// Contract creation
@@ -1404,7 +1522,8 @@ func (args *SendTxArgs) setDefaults(ctx context.Context, b Backend) error {
Value: args.Value,
Data: input,
}
- estimated, err := DoEstimateGas(ctx, b, callArgs, rpc.PendingBlockNumber, b.RPCGasCap())
+ pendingBlockNr := rpc.BlockNumberOrHashWithNumber(rpc.PendingBlockNumber)
+ estimated, err := DoEstimateGas(ctx, b, callArgs, pendingBlockNr, b.RPCGasCap())
if err != nil {
return err
}
@@ -1429,6 +1548,11 @@ func (args *SendTxArgs) toTransaction() *types.Transaction {
// SubmitTransaction is a helper function that submits tx to txPool and logs a message.
func SubmitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (common.Hash, error) {
+ // If the transaction fee cap is already specified, ensure the
+ // fee of the given transaction is _reasonable_.
+ if err := checkTxFee(tx.GasPrice(), tx.Gas(), b.RPCTxFeeCap()); err != nil {
+ return common.Hash{}, err
+ }
if err := b.SendTx(ctx, tx); err != nil {
return common.Hash{}, err
}
@@ -1478,6 +1602,22 @@ func (s *PublicTransactionPoolAPI) SendTransaction(ctx context.Context, args Sen
return SubmitTransaction(ctx, s.b, signed)
}
+// FillTransaction fills the defaults (nonce, gas, gasPrice) on a given unsigned transaction,
+// and returns it to the caller for further processing (signing + broadcast)
+func (s *PublicTransactionPoolAPI) FillTransaction(ctx context.Context, args SendTxArgs) (*SignTransactionResult, error) {
+ // Set some sanity defaults and terminate on failure
+ if err := args.setDefaults(ctx, s.b); err != nil {
+ return nil, err
+ }
+ // Assemble the transaction and obtain rlp
+ tx := args.toTransaction()
+ data, err := rlp.EncodeToBytes(tx)
+ if err != nil {
+ return nil, err
+ }
+ return &SignTransactionResult{data, tx}, nil
+}
+
// SendRawTransaction will add the signed transaction to the transaction pool.
// The sender is responsible for signing the transaction and using the correct nonce.
func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encodedTx hexutil.Bytes) (common.Hash, error) {
@@ -1535,6 +1675,10 @@ func (s *PublicTransactionPoolAPI) SignTransaction(ctx context.Context, args Sen
if err := args.setDefaults(ctx, s.b); err != nil {
return nil, err
}
+ // Before actually sign the transaction, ensure the transaction fee is reasonable.
+ if err := checkTxFee(args.GasPrice.ToInt(), uint64(*args.Gas), s.b.RPCTxFeeCap()); err != nil {
+ return nil, err
+ }
tx, err := s.sign(args.From, args.toTransaction())
if err != nil {
return nil, err
@@ -1583,11 +1727,24 @@ func (s *PublicTransactionPoolAPI) Resend(ctx context.Context, sendArgs SendTxAr
return common.Hash{}, err
}
matchTx := sendArgs.toTransaction()
+
+ // Before replacing the old transaction, ensure the _new_ transaction fee is reasonable.
+ var price = matchTx.GasPrice()
+ if gasPrice != nil {
+ price = gasPrice.ToInt()
+ }
+ var gas = matchTx.Gas()
+ if gasLimit != nil {
+ gas = uint64(*gasLimit)
+ }
+ if err := checkTxFee(price, gas, s.b.RPCTxFeeCap()); err != nil {
+ return common.Hash{}, err
+ }
+ // Iterate the pending list for replacement
pending, err := s.b.GetPoolTransactions()
if err != nil {
return common.Hash{}, err
}
-
for _, p := range pending {
var signer types.Signer = types.HomesteadSigner{}
if p.Protected() {
@@ -1614,7 +1771,7 @@ func (s *PublicTransactionPoolAPI) Resend(ctx context.Context, sendArgs SendTxAr
}
}
- return common.Hash{}, fmt.Errorf("Transaction %#x not found", matchTx.Hash())
+ return common.Hash{}, fmt.Errorf("transaction %#x not found", matchTx.Hash())
}
// PublicDebugAPI is the collection of Ethereum APIs exposed over the public
@@ -1725,3 +1882,18 @@ func (s *PublicNetAPI) PeerCount() hexutil.Uint {
func (s *PublicNetAPI) Version() string {
return fmt.Sprintf("%d", s.networkVersion)
}
+
+// checkTxFee is an internal function used to check whether the fee of
+// the given transaction is _reasonable_(under the cap).
+func checkTxFee(gasPrice *big.Int, gas uint64, cap float64) error {
+ // Short circuit if there is no cap for transaction fee at all.
+ if cap == 0 {
+ return nil
+ }
+ feeEth := new(big.Float).Quo(new(big.Float).SetInt(new(big.Int).Mul(gasPrice, new(big.Int).SetUint64(gas))), new(big.Float).SetInt(big.NewInt(params.Ether)))
+ feeFloat, _ := feeEth.Float64()
+ if feeFloat > cap {
+ return fmt.Errorf("tx fee (%.2f ether) exceeds the configured cap (%.2f ether)", feeFloat, cap)
+ }
+ return nil
+}
diff --git a/internal/ethapi/backend.go b/internal/ethapi/backend.go
index fb38034..f89a3aa 100644
--- a/internal/ethapi/backend.go
+++ b/internal/ethapi/backend.go
@@ -22,17 +22,18 @@ import (
"math/big"
"github.com/ava-labs/coreth/accounts"
+ "github.com/ava-labs/coreth/consensus"
"github.com/ava-labs/coreth/core"
+ "github.com/ava-labs/coreth/core/bloombits"
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/core/vm"
"github.com/ava-labs/coreth/params"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/core/bloombits"
- "github.com/ava-labs/go-ethereum/eth/downloader"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
)
// Backend interface provides the common API services (that are provided by
@@ -43,20 +44,25 @@ type Backend interface {
ProtocolVersion() int
SuggestPrice(ctx context.Context) (*big.Int, error)
ChainDb() ethdb.Database
- EventMux() *event.TypeMux
AccountManager() *accounts.Manager
ExtRPCEnabled() bool
- RPCGasCap() *big.Int // global gas cap for eth_call over rpc: DoS protection
+ RPCGasCap() uint64 // global gas cap for eth_call over rpc: DoS protection
+ RPCTxFeeCap() float64 // global tx fee cap for all transaction related APIs
// Blockchain API
SetHead(number uint64)
HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error)
+ HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Header, error)
+ CurrentHeader() *types.Header
+ CurrentBlock() *types.Block
BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error)
+ BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*types.Block, error)
StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error)
+ StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (*state.StateDB, *types.Header, error)
GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error)
- GetTd(hash common.Hash) *big.Int
+ GetTd(ctx context.Context, hash common.Hash) *big.Int
GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error)
SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription
SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
@@ -77,10 +83,11 @@ type Backend interface {
GetLogs(ctx context.Context, blockHash common.Hash) ([][]*types.Log, error)
ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)
SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription
+ SubscribePendingLogsEvent(ch chan<- []*types.Log) event.Subscription
SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription
ChainConfig() *params.ChainConfig
- CurrentBlock() *types.Block
+ Engine() consensus.Engine
AcceptedBlock() *types.Block
}
diff --git a/miner/miner.go b/miner/miner.go
index 3edbd80..e8e59a4 100644
--- a/miner/miner.go
+++ b/miner/miner.go
@@ -27,9 +27,9 @@ import (
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/event"
)
// Backend wraps all methods required for mining.
@@ -54,55 +54,84 @@ type Config struct {
}
type Miner struct {
- w *worker
+ worker *worker
}
func New(eth Backend, config *Config, chainConfig *params.ChainConfig, mux *event.TypeMux, engine consensus.Engine, isLocalBlock func(block *types.Block) bool, mcb *MinerCallbacks) *Miner {
return &Miner{
- w: newWorker(config, chainConfig, engine, eth, mux, isLocalBlock, mcb),
+ worker: newWorker(config, chainConfig, engine, eth, mux, isLocalBlock, true, mcb),
}
}
-func (self *Miner) Start(coinbase common.Address) {
- self.w.start()
+func (miner *Miner) Start(coinbase common.Address) {
+ miner.worker.start()
}
-func (self *Miner) Stop() {
- self.w.stop()
+func (miner *Miner) Stop() {
+ miner.worker.stop()
}
-func (self *Miner) Mining() bool {
+func (miner *Miner) Mining() bool {
return false
}
-func (self *Miner) HashRate() uint64 {
+func (miner *Miner) HashRate() uint64 {
return 0
}
-func (self *Miner) SetExtra(extra []byte) error {
+func (miner *Miner) SetExtra(extra []byte) error {
if uint64(len(extra)) > params.MaximumExtraDataSize {
- return fmt.Errorf("Extra exceeds max length. %d > %v", len(extra), params.MaximumExtraDataSize)
+ return fmt.Errorf("extra exceeds max length. %d > %v", len(extra), params.MaximumExtraDataSize)
}
- self.w.setExtra(extra)
+ miner.worker.setExtra(extra)
return nil
}
-func (self *Miner) SetRecommitInterval(interval time.Duration) {
- self.w.setRecommitInterval(interval)
+// SetRecommitInterval sets the interval for sealing work resubmitting.
+func (miner *Miner) SetRecommitInterval(interval time.Duration) {
+ miner.worker.setRecommitInterval(interval)
}
-func (self *Miner) Pending() (*types.Block, *state.StateDB) {
- return self.w.pending()
+// Pending returns the currently pending block and associated state.
+func (miner *Miner) Pending() (*types.Block, *state.StateDB) {
+ return miner.worker.pending()
}
-func (self *Miner) PendingBlock() *types.Block {
- return self.w.pendingBlock()
+// PendingBlock returns the currently pending block.
+//
+// Note, to access both the pending block and the pending state
+// simultaneously, please use Pending(), as the pending state can
+// change between multiple method calls
+func (miner *Miner) PendingBlock() *types.Block {
+ return miner.worker.pendingBlock()
+}
+
+func (miner *Miner) SetEtherbase(addr common.Address) {
+ miner.worker.setEtherbase(addr)
}
-func (self *Miner) SetEtherbase(addr common.Address) {
- self.w.setEtherbase(addr)
+// EnablePreseal turns on the preseal mining feature. It's enabled by default.
+// Note this function shouldn't be exposed to API, it's unnecessary for users
+// (miners) to actually know the underlying detail. It's only for outside project
+// which uses this library.
+func (miner *Miner) EnablePreseal() {
+ miner.worker.enablePreseal()
}
-func (self *Miner) GenBlock() {
- self.w.genBlock()
+// DisablePreseal turns off the preseal mining feature. It's necessary for some
+// fake consensus engine which can seal blocks instantaneously.
+// Note this function shouldn't be exposed to API, it's unnecessary for users
+// (miners) to actually know the underlying detail. It's only for outside project
+// which uses this library.
+func (miner *Miner) DisablePreseal() {
+ miner.worker.disablePreseal()
+}
+
+// SubscribePendingLogs starts delivering logs from pending transactions
+// to the given channel.
+func (miner *Miner) SubscribePendingLogs(ch chan<- []*types.Log) event.Subscription {
+ return miner.worker.pendingLogsFeed.Subscribe(ch)
+}
+func (miner *Miner) GenBlock() {
+ miner.worker.genBlock()
}
diff --git a/miner/unconfirmed.go b/miner/unconfirmed.go
index 1b8868b..ec2cfde 100644
--- a/miner/unconfirmed.go
+++ b/miner/unconfirmed.go
@@ -21,8 +21,8 @@ import (
"sync"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/log"
)
// chainRetriever is used by the unconfirmed block set to verify whether a previously
diff --git a/miner/worker.go b/miner/worker.go
index 4a6303b..72597b0 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -33,10 +33,11 @@ import (
"github.com/ava-labs/coreth/core/state"
"github.com/ava-labs/coreth/core/types"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
mapset "github.com/deckarep/golang-set"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/trie"
)
const (
@@ -137,6 +138,9 @@ type worker struct {
eth Backend
chain *core.BlockChain
+ // Feeds
+ pendingLogsFeed event.Feed
+
// Subscriptions
mux *event.TypeMux
txsCh chan core.NewTxsEvent
@@ -175,6 +179,13 @@ type worker struct {
running int32 // The indicator whether the consensus engine is running or not.
newTxs int32 // New arrival transaction count since last sealing work submitting.
+ // noempty is the flag used to control whether the feature of pre-seal empty
+ // block is enabled. The default value is false(pre-seal is enabled by default).
+ // But in some special scenario the consensus engine will seal blocks instantaneously,
+ // in this case this feature will add all empty blocks into canonical chain
+ // non-stop and no real transaction will be included.
+ noempty uint32
+
// External functions
isLocalBlock func(block *types.Block) bool // Function used to determine whether the specified block is mined by local miner.
@@ -189,7 +200,7 @@ type worker struct {
minerCallbacks *MinerCallbacks
}
-func newWorker(config *Config, chainConfig *params.ChainConfig, engine consensus.Engine, eth Backend, mux *event.TypeMux, isLocalBlock func(*types.Block) bool, mcb *MinerCallbacks) *worker {
+func newWorker(config *Config, chainConfig *params.ChainConfig, engine consensus.Engine, eth Backend, mux *event.TypeMux, isLocalBlock func(*types.Block) bool, init bool, mcb *MinerCallbacks) *worker {
worker := &worker{
config: config,
chainConfig: chainConfig,
@@ -239,8 +250,9 @@ func newWorker(config *Config, chainConfig *params.ChainConfig, engine consensus
go worker.taskLoop()
// Submit first work to initialize pending state.
- worker.startCh <- struct{}{}
-
+ if init {
+ worker.startCh <- struct{}{}
+ }
return worker
}
@@ -263,6 +275,16 @@ func (w *worker) setRecommitInterval(interval time.Duration) {
w.resubmitIntervalCh <- interval
}
+// disablePreseal disables pre-sealing mining feature
+func (w *worker) disablePreseal() {
+ atomic.StoreUint32(&w.noempty, 1)
+}
+
+// enablePreseal enables pre-sealing mining feature
+func (w *worker) enablePreseal() {
+ atomic.StoreUint32(&w.noempty, 0)
+}
+
// pending returns the pending state and corresponding block.
func (w *worker) pending() (*types.Block, *state.StateDB) {
// return a snapshot to avoid contention on currentMu mutex
@@ -301,9 +323,32 @@ func (w *worker) isRunning() bool {
// close terminates all background threads maintained by the worker.
// Note the worker does not support being closed multiple times.
func (w *worker) close() {
+ atomic.StoreInt32(&w.running, 0)
close(w.exitCh)
}
+// recalcRecommit recalculates the resubmitting interval upon feedback.
+func recalcRecommit(minRecommit, prev time.Duration, target float64, inc bool) time.Duration {
+ var (
+ prevF = float64(prev.Nanoseconds())
+ next float64
+ )
+ if inc {
+ next = prevF*(1-intervalAdjustRatio) + intervalAdjustRatio*(target+intervalAdjustBias)
+ max := float64(maxRecommitInterval.Nanoseconds())
+ if next > max {
+ next = max
+ }
+ } else {
+ next = prevF*(1-intervalAdjustRatio) + intervalAdjustRatio*(target-intervalAdjustBias)
+ min := float64(minRecommit.Nanoseconds())
+ if next < min {
+ next = min
+ }
+ }
+ return time.Duration(int64(next))
+}
+
func (w *worker) genBlock() {
interrupt := new(int32)
*interrupt = commitInterruptNone
@@ -323,6 +368,7 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
)
timer := time.NewTimer(0)
+ defer timer.Stop()
<-timer.C // discard the initial tick
// commit aborts in-flight transaction execution with given signal and resubmits a new one.
@@ -335,27 +381,6 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
timer.Reset(recommit)
atomic.StoreInt32(&w.newTxs, 0)
}
- // recalcRecommit recalculates the resubmitting interval upon feedback.
- recalcRecommit := func(target float64, inc bool) {
- var (
- prev = float64(recommit.Nanoseconds())
- next float64
- )
- if inc {
- next = prev*(1-intervalAdjustRatio) + intervalAdjustRatio*(target+intervalAdjustBias)
- // Recap if interval is larger than the maximum time interval
- if next > float64(maxRecommitInterval.Nanoseconds()) {
- next = float64(maxRecommitInterval.Nanoseconds())
- }
- } else {
- next = prev*(1-intervalAdjustRatio) + intervalAdjustRatio*(target-intervalAdjustBias)
- // Recap if interval is less than the user specified minimum
- if next < float64(minRecommit.Nanoseconds()) {
- next = float64(minRecommit.Nanoseconds())
- }
- }
- recommit = time.Duration(int64(next))
- }
// clearPending cleans the stale pending tasks.
clearPending := func(number uint64) {
w.pendingMu.Lock()
@@ -415,11 +440,12 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
// Adjust resubmit interval by feedback.
if adjust.inc {
before := recommit
- recalcRecommit(float64(recommit.Nanoseconds())/adjust.ratio, true)
+ target := float64(recommit.Nanoseconds()) / adjust.ratio
+ recommit = recalcRecommit(minRecommit, recommit, target, true)
log.Trace("Increase miner recommit interval", "from", before, "to", recommit)
} else {
before := recommit
- recalcRecommit(float64(minRecommit.Nanoseconds()), false)
+ recommit = recalcRecommit(minRecommit, recommit, float64(minRecommit.Nanoseconds()), false)
log.Trace("Decrease miner recommit interval", "from", before, "to", recommit)
}
@@ -514,8 +540,9 @@ func (w *worker) mainLoop() {
w.updateSnapshot()
}
} else {
- // If clique is running in dev mode(period is 0), disable
- // advance sealing here.
+ // Special case, if the consensus engine is 0 period clique(dev mode),
+ // submit mining work here since all empty submission will be rejected
+ // by clique. Of course the advance sealing(empty submission) is disabled.
if w.chainConfig.Clique != nil && w.chainConfig.Clique.Period == 0 {
w.commitNewWork(nil, true, time.Now().Unix())
}
@@ -576,7 +603,7 @@ func (w *worker) taskLoop() {
continue
}
w.pendingMu.Lock()
- w.pendingTasks[w.engine.SealHash(task.block.Header())] = task
+ w.pendingTasks[sealHash] = task
w.pendingMu.Unlock()
if err := w.engine.Seal(w.chain, task.block, w.resultCh, stopCh); err != nil {
@@ -636,8 +663,7 @@ func (w *worker) resultLoop() {
}
// Commit block and state to database.
//fmt.Printf("parent1: %s\n", w.chain.CurrentBlock().Hash().String())
- stat, err := w.chain.WriteBlockWithState(block, receipts, task.state)
- stat = core.CanonStatTy
+ _, err := w.chain.WriteBlockWithState(block, receipts, logs, task.state, true)
//fmt.Printf("parent2: %s\n", w.chain.CurrentBlock().Hash().String())
if err != nil {
log.Error("Failed writing block to chain", "err", err)
@@ -652,16 +678,6 @@ func (w *worker) resultLoop() {
// Broadcast the block and announce chain insertion event
w.mux.Post(core.NewMinedBlockEvent{Block: block})
- var events []interface{}
- switch stat {
- case core.CanonStatTy:
- events = append(events, core.ChainEvent{Block: block, Hash: block.Hash(), Logs: logs})
- events = append(events, core.ChainHeadEvent{Block: block})
- case core.SideStatTy:
- events = append(events, core.ChainSideEvent{Block: block})
- }
- w.chain.PostChainEvents(events, logs)
-
// Insert the block into the set of pending ones to resultLoop for confirmations
w.unconfirmed.Insert(block.NumberU64(), block.Hash())
@@ -751,6 +767,7 @@ func (w *worker) updateSnapshot() {
w.current.txs,
uncles,
w.current.receipts,
+ new(trie.Trie),
nil,
)
@@ -760,7 +777,7 @@ func (w *worker) updateSnapshot() {
func (w *worker) commitTransaction(tx *types.Transaction, coinbase common.Address) ([]*types.Log, error) {
snap := w.current.state.Snapshot()
- receipt, _, err := core.ApplyTransaction(w.chainConfig, w.chain, &coinbase, w.current.gasPool, w.current.state, w.current.header, tx, &w.current.header.GasUsed, *w.chain.GetVMConfig())
+ receipt, err := core.ApplyTransaction(w.chainConfig, w.chain, &coinbase, w.current.gasPool, w.current.state, w.current.header, tx, &w.current.header.GasUsed, *w.chain.GetVMConfig())
if err != nil {
w.current.state.RevertToSnapshot(snap)
return nil, err
@@ -874,7 +891,7 @@ func (w *worker) commitTransactions(txs *types.TransactionsByPriceAndNonce, coin
cpy[i] = new(types.Log)
*cpy[i] = *l
}
- go w.mux.Post(core.PendingLogsEvent{Logs: cpy})
+ w.pendingLogsFeed.Send(cpy)
}
// Notify resubmit loop to decrease resubmitting interval if current interval is larger
// than the user-specified one.
@@ -978,9 +995,9 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
commitUncles(w.localUncles)
commitUncles(w.remoteUncles)
- if !noempty && !w.manualMining {
- // Create an empty block based on temporary copied state for sealing in advance without waiting block
- // execution finished.
+ // Create an empty block based on temporary copied state for
+ // sealing in advance without waiting block execution finished.
+ if !noempty && atomic.LoadUint32(&w.noempty) == 0 && !w.manualMining {
w.commit(uncles, nil, false, tstart)
}
@@ -990,8 +1007,10 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
log.Error("Failed to fetch pending transactions", "err", err)
return
}
- // Short circuit if there is no available pending transactions
- if len(pending) == 0 && !w.manualMining {
+ // Short circuit if there is no available pending transactions.
+ // But if we disable empty precommit already, ignore it. Since
+ // empty block is necessary to keep the liveness of the network.
+ if len(pending) == 0 && atomic.LoadUint32(&w.noempty) == 0 && !w.manualMining {
w.updateSnapshot()
return
}
@@ -1022,13 +1041,9 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
// and commits new work if consensus engine is running.
func (w *worker) commit(uncles []*types.Header, interval func(), update bool, start time.Time) error {
// Deep copy receipts here to avoid interaction between different tasks.
- receipts := make([]*types.Receipt, len(w.current.receipts))
- for i, l := range w.current.receipts {
- receipts[i] = new(types.Receipt)
- *receipts[i] = *l
- }
+ receipts := copyReceipts(w.current.receipts)
s := w.current.state.Copy()
- block, err := w.engine.FinalizeAndAssemble(w.chain, w.current.header, s, w.current.txs, uncles, w.current.receipts)
+ block, err := w.engine.FinalizeAndAssemble(w.chain, w.current.header, s, w.current.txs, uncles, receipts)
if err != nil {
return err
}
@@ -1039,15 +1054,10 @@ func (w *worker) commit(uncles []*types.Header, interval func(), update bool, st
select {
case w.taskCh <- &task{receipts: receipts, state: s, block: block, createdAt: time.Now()}:
w.unconfirmed.Shift(block.NumberU64() - 1)
-
- feesWei := new(big.Int)
- for i, tx := range block.Transactions() {
- feesWei.Add(feesWei, new(big.Int).Mul(new(big.Int).SetUint64(receipts[i].GasUsed), tx.GasPrice()))
- }
- feesEth := new(big.Float).Quo(new(big.Float).SetInt(feesWei), new(big.Float).SetInt(big.NewInt(params.Ether)))
-
log.Info("Commit new mining work", "number", block.Number(), "sealhash", w.engine.SealHash(block.Header()),
- "uncles", len(uncles), "txs", w.current.tcount, "gas", block.GasUsed(), "fees", feesEth, "elapsed", common.PrettyDuration(time.Since(start)))
+ "uncles", len(uncles), "txs", w.current.tcount,
+ "gas", block.GasUsed(), "fees", totalFees(block, receipts),
+ "elapsed", common.PrettyDuration(time.Since(start)))
case <-w.exitCh:
log.Info("Worker has exited")
@@ -1058,3 +1068,30 @@ func (w *worker) commit(uncles []*types.Header, interval func(), update bool, st
}
return nil
}
+
+// copyReceipts makes a deep copy of the given receipts.
+func copyReceipts(receipts []*types.Receipt) []*types.Receipt {
+ result := make([]*types.Receipt, len(receipts))
+ for i, l := range receipts {
+ cpy := *l
+ result[i] = &cpy
+ }
+ return result
+}
+
+// postSideBlock fires a side chain event, only use it for testing.
+func (w *worker) postSideBlock(event core.ChainSideEvent) {
+ select {
+ case w.chainSideCh <- event:
+ case <-w.exitCh:
+ }
+}
+
+// totalFees computes total consumed fees in ETH. Block transactions and receipts have to have the same order.
+func totalFees(block *types.Block, receipts []*types.Receipt) *big.Float {
+ feesWei := new(big.Int)
+ for i, tx := range block.Transactions() {
+ feesWei.Add(feesWei, new(big.Int).Mul(new(big.Int).SetUint64(receipts[i].GasUsed), tx.GasPrice()))
+ }
+ return new(big.Float).Quo(new(big.Float).SetInt(feesWei), new(big.Float).SetInt(big.NewInt(params.Ether)))
+}
diff --git a/node/api.go b/node/api.go
index 5e93580..4589d25 100644
--- a/node/api.go
+++ b/node/api.go
@@ -21,28 +21,48 @@ import (
"fmt"
//"strings"
+ "github.com/ava-labs/coreth/internal/debug"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/p2p"
- "github.com/ava-labs/go-ethereum/p2p/enode"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/enode"
)
-// PrivateAdminAPI is the collection of administrative API methods exposed only
-// over a secure RPC channel.
-type PrivateAdminAPI struct {
- node *Node // Node interfaced by this API
+// apis returns the collection of built-in RPC APIs.
+func (n *Node) apis() []rpc.API {
+ return []rpc.API{
+ {
+ Namespace: "admin",
+ Version: "1.0",
+ Service: &privateAdminAPI{n},
+ }, {
+ Namespace: "admin",
+ Version: "1.0",
+ Service: &publicAdminAPI{n},
+ Public: true,
+ }, {
+ Namespace: "debug",
+ Version: "1.0",
+ Service: debug.Handler,
+ }, {
+ Namespace: "web3",
+ Version: "1.0",
+ Service: &publicWeb3API{n},
+ Public: true,
+ },
+ }
}
-// NewPrivateAdminAPI creates a new API definition for the private admin methods
-// of the node itself.
-func NewPrivateAdminAPI(node *Node) *PrivateAdminAPI {
- return &PrivateAdminAPI{node: node}
+// privateAdminAPI is the collection of administrative API methods exposed only
+// over a secure RPC channel.
+type privateAdminAPI struct {
+ node *Node // Node interfaced by this API
}
// AddPeer requests connecting to a remote node, and also maintaining the new
// connection at all times, even reconnecting if it is lost.
-func (api *PrivateAdminAPI) AddPeer(url string) (bool, error) {
+func (api *privateAdminAPI) AddPeer(url string) (bool, error) {
// Make sure the server is running, fail otherwise
server := api.node.Server()
if server == nil {
@@ -58,7 +78,7 @@ func (api *PrivateAdminAPI) AddPeer(url string) (bool, error) {
}
// RemovePeer disconnects from a remote node if the connection exists
-func (api *PrivateAdminAPI) RemovePeer(url string) (bool, error) {
+func (api *privateAdminAPI) RemovePeer(url string) (bool, error) {
// Make sure the server is running, fail otherwise
server := api.node.Server()
if server == nil {
@@ -74,7 +94,7 @@ func (api *PrivateAdminAPI) RemovePeer(url string) (bool, error) {
}
// AddTrustedPeer allows a remote node to always connect, even if slots are full
-func (api *PrivateAdminAPI) AddTrustedPeer(url string) (bool, error) {
+func (api *privateAdminAPI) AddTrustedPeer(url string) (bool, error) {
// Make sure the server is running, fail otherwise
server := api.node.Server()
if server == nil {
@@ -90,7 +110,7 @@ func (api *PrivateAdminAPI) AddTrustedPeer(url string) (bool, error) {
// RemoveTrustedPeer removes a remote node from the trusted peer set, but it
// does not disconnect it automatically.
-func (api *PrivateAdminAPI) RemoveTrustedPeer(url string) (bool, error) {
+func (api *privateAdminAPI) RemoveTrustedPeer(url string) (bool, error) {
// Make sure the server is running, fail otherwise
server := api.node.Server()
if server == nil {
@@ -106,7 +126,7 @@ func (api *PrivateAdminAPI) RemoveTrustedPeer(url string) (bool, error) {
// PeerEvents creates an RPC subscription which receives peer events from the
// node's p2p.Server
-func (api *PrivateAdminAPI) PeerEvents(ctx context.Context) (*rpc.Subscription, error) {
+func (api *privateAdminAPI) PeerEvents(ctx context.Context) (*rpc.Subscription, error) {
// Make sure the server is running, fail otherwise
server := api.node.Server()
if server == nil {
@@ -142,21 +162,15 @@ func (api *PrivateAdminAPI) PeerEvents(ctx context.Context) (*rpc.Subscription,
return rpcSub, nil
}
-// PublicAdminAPI is the collection of administrative API methods exposed over
+// publicAdminAPI is the collection of administrative API methods exposed over
// both secure and unsecure RPC channels.
-type PublicAdminAPI struct {
+type publicAdminAPI struct {
node *Node // Node interfaced by this API
}
-// NewPublicAdminAPI creates a new API definition for the public admin methods
-// of the node itself.
-func NewPublicAdminAPI(node *Node) *PublicAdminAPI {
- return &PublicAdminAPI{node: node}
-}
-
// Peers retrieves all the information we know about each individual peer at the
// protocol granularity.
-func (api *PublicAdminAPI) Peers() ([]*p2p.PeerInfo, error) {
+func (api *publicAdminAPI) Peers() ([]*p2p.PeerInfo, error) {
server := api.node.Server()
if server == nil {
return nil, ErrNodeStopped
@@ -166,7 +180,7 @@ func (api *PublicAdminAPI) Peers() ([]*p2p.PeerInfo, error) {
// NodeInfo retrieves all the information we know about the host node at the
// protocol granularity.
-func (api *PublicAdminAPI) NodeInfo() (*p2p.NodeInfo, error) {
+func (api *publicAdminAPI) NodeInfo() (*p2p.NodeInfo, error) {
server := api.node.Server()
if server == nil {
return nil, ErrNodeStopped
@@ -175,27 +189,22 @@ func (api *PublicAdminAPI) NodeInfo() (*p2p.NodeInfo, error) {
}
// Datadir retrieves the current data directory the node is using.
-func (api *PublicAdminAPI) Datadir() string {
+func (api *publicAdminAPI) Datadir() string {
return api.node.DataDir()
}
-// PublicWeb3API offers helper utils
-type PublicWeb3API struct {
+// publicWeb3API offers helper utils
+type publicWeb3API struct {
stack *Node
}
-// NewPublicWeb3API creates a new Web3Service instance
-func NewPublicWeb3API(stack *Node) *PublicWeb3API {
- return &PublicWeb3API{stack}
-}
-
// ClientVersion returns the node name
-func (s *PublicWeb3API) ClientVersion() string {
+func (s *publicWeb3API) ClientVersion() string {
return s.stack.Server().Name
}
// Sha3 applies the ethereum sha3 implementation on the input.
// It assumes the input is hex encoded.
-func (s *PublicWeb3API) Sha3(input hexutil.Bytes) hexutil.Bytes {
+func (s *publicWeb3API) Sha3(input hexutil.Bytes) hexutil.Bytes {
return crypto.Keccak256(input)
}
diff --git a/node/config.go b/node/config.go
index b8ada53..57bb7a1 100644
--- a/node/config.go
+++ b/node/config.go
@@ -32,11 +32,11 @@ import (
"github.com/ava-labs/coreth/accounts/scwallet"
//"github.com/ava-labs/coreth/accounts/usbwallet"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/p2p"
- "github.com/ava-labs/go-ethereum/p2p/enode"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/enode"
)
const (
@@ -83,7 +83,7 @@ type Config struct {
KeyStoreDir string `toml:",omitempty"`
// ExternalSigner specifies an external URI for a clef-type signer
- ExternalSigner string `toml:"omitempty"`
+ ExternalSigner string `toml:",omitempty"`
// UseLightweightKDF lowers the memory and CPU requirements of the key store
// scrypt KDF at the expense of security.
@@ -102,11 +102,11 @@ type Config struct {
// a simple file name, it is placed inside the data directory (or on the root
// pipe path on Windows), whereas if it's a resolvable path name (absolute or
// relative), then that specific path is enforced. An empty path disables IPC.
- IPCPath string `toml:",omitempty"`
+ IPCPath string
// HTTPHost is the host interface on which to start the HTTP RPC server. If this
// field is empty, no HTTP API endpoint will be started.
- HTTPHost string `toml:",omitempty"`
+ HTTPHost string
// HTTPPort is the TCP port number on which to start the HTTP RPC server. The
// default zero value is/ valid and will pick a port number randomly (useful
@@ -130,7 +130,7 @@ type Config struct {
// HTTPModules is a list of API modules to expose via the HTTP RPC interface.
// If the module list is empty, all RPC API endpoints designated public will be
// exposed.
- HTTPModules []string `toml:",omitempty"`
+ HTTPModules []string
// HTTPTimeouts allows for customization of the timeout values used by the HTTP RPC
// interface.
@@ -138,7 +138,7 @@ type Config struct {
// WSHost is the host interface on which to start the websocket RPC server. If
// this field is empty, no websocket API endpoint will be started.
- WSHost string `toml:",omitempty"`
+ WSHost string
// WSPort is the TCP port number on which to start the websocket RPC server. The
// default zero value is/ valid and will pick a port number randomly (useful for
@@ -153,7 +153,7 @@ type Config struct {
// WSModules is a list of API modules to expose via the websocket RPC interface.
// If the module list is empty, all RPC API endpoints designated public will be
// exposed.
- WSModules []string `toml:",omitempty"`
+ WSModules []string
// WSExposeAll exposes all API modules via the WebSocket RPC interface rather
// than just the public ones.
@@ -162,15 +162,6 @@ type Config struct {
// private APIs to untrusted users is a major security risk.
WSExposeAll bool `toml:",omitempty"`
- // GraphQLHost is the host interface on which to start the GraphQL server. If this
- // field is empty, no GraphQL API endpoint will be started.
- GraphQLHost string `toml:",omitempty"`
-
- // GraphQLPort is the TCP port number on which to start the GraphQL server. The
- // default zero value is/ valid and will pick a port number randomly (useful
- // for ephemeral nodes).
- GraphQLPort int `toml:",omitempty"`
-
// GraphQLCors is the Cross-Origin Resource Sharing header to send to requesting
// clients. Please be aware that CORS is a browser enforced security, it's fully
// useless for custom HTTP clients.
@@ -247,15 +238,6 @@ func (c *Config) HTTPEndpoint() string {
return fmt.Sprintf("%s:%d", c.HTTPHost, c.HTTPPort)
}
-// GraphQLEndpoint resolves a GraphQL endpoint based on the configured host interface
-// and port parameters.
-func (c *Config) GraphQLEndpoint() string {
- if c.GraphQLHost == "" {
- return ""
- }
- return fmt.Sprintf("%s:%d", c.GraphQLHost, c.GraphQLPort)
-}
-
// DefaultHTTPEndpoint returns the HTTP endpoint used by default.
func DefaultHTTPEndpoint() string {
config := &Config{HTTPHost: DefaultHTTPHost, HTTPPort: DefaultHTTPPort}
@@ -280,7 +262,7 @@ func DefaultWSEndpoint() string {
// ExtRPCEnabled returns the indicator whether node enables the external
// RPC(http, ws or graphql).
func (c *Config) ExtRPCEnabled() bool {
- return c.HTTPHost != "" || c.WSHost != "" || c.GraphQLHost != ""
+ return c.HTTPHost != "" || c.WSHost != ""
}
// NodeName returns the devp2p node identifier.
diff --git a/node/defaults.go b/node/defaults.go
index 1d277e2..b2c4d0b 100644
--- a/node/defaults.go
+++ b/node/defaults.go
@@ -23,8 +23,8 @@ import (
"runtime"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/p2p"
- "github.com/ava-labs/go-ethereum/p2p/nat"
+ "github.com/ethereum/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/p2p/nat"
)
const (
@@ -45,7 +45,6 @@ var DefaultConfig = Config{
HTTPTimeouts: rpc.DefaultHTTPTimeouts,
WSPort: DefaultWSPort,
WSModules: []string{"net", "web3"},
- GraphQLPort: DefaultGraphQLPort,
GraphQLVirtualHosts: []string{"localhost"},
P2P: p2p.Config{
ListenAddr: ":30303",
diff --git a/node/errors.go b/node/errors.go
index 2e0dadc..67547bf 100644
--- a/node/errors.go
+++ b/node/errors.go
@@ -39,17 +39,6 @@ func convertFileLockError(err error) error {
return err
}
-// DuplicateServiceError is returned during Node startup if a registered service
-// constructor returns a service of the same type that was already started.
-type DuplicateServiceError struct {
- Kind reflect.Type
-}
-
-// Error generates a textual representation of the duplicate service error.
-func (e *DuplicateServiceError) Error() string {
- return fmt.Sprintf("duplicate service: %v", e.Kind)
-}
-
// StopError is returned if a Node fails to stop either any of its registered
// services or itself.
type StopError struct {
diff --git a/node/node.go b/node/node.go
index d2a212b..3ed89ed 100644
--- a/node/node.go
+++ b/node/node.go
@@ -18,44 +18,64 @@ package node
import (
"errors"
+ "os"
"path/filepath"
- "reflect"
"strings"
"sync"
"github.com/ava-labs/coreth/accounts"
"github.com/ava-labs/coreth/core/rawdb"
- "github.com/ava-labs/coreth/internal/debug"
"github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/log"
- "github.com/ava-labs/go-ethereum/p2p"
+ "github.com/ethereum/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/event"
+ "github.com/ethereum/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/p2p"
"github.com/prometheus/tsdb/fileutil"
)
// Node is a container on which services can be registered.
type Node struct {
- eventmux *event.TypeMux // Event multiplexer used between the services of a stack
- config *Config
- accman *accounts.Manager
-
- ephemeralKeystore string // if non-empty, the key directory that will be removed by Stop
- instanceDirLock fileutil.Releaser // prevents concurrent use of instance directory
-
- serverConfig p2p.Config
- server *p2p.Server // Currently running P2P networking layer
-
- serviceFuncs []ServiceConstructor // Service constructors (in dependency order)
- services map[reflect.Type]Service // Currently running services
+ eventmux *event.TypeMux
+ config *Config
+ accman *accounts.Manager
+ log log.Logger
+ ephemKeystore string // if non-empty, the key directory that will be removed by Stop
+ dirLock fileutil.Releaser // prevents concurrent use of instance directory
+ stop chan struct{} // Channel to wait for termination notifications
+ server *p2p.Server // Currently running P2P networking layer
+ startStopLock sync.Mutex // Start/Stop are protected by an additional lock
+ state int // Tracks state of node lifecycle
+ lock sync.Mutex
rpcAPIs []rpc.API // List of APIs currently provided by the node
inprocHandler *rpc.Server // In-process RPC request handler to process the API requests
- stop chan struct{} // Channel to wait for termination notifications
- lock sync.RWMutex
+ databases map[*closeTrackingDB]struct{} // All open databases
+}
- log log.Logger
+const (
+ initializingState = iota
+ runningState
+ closedState
+)
+
+func (n *Node) openDataDir() error {
+ if n.config.DataDir == "" {
+ return nil // ephemeral
+ }
+
+ instdir := filepath.Join(n.config.DataDir, n.config.name())
+ if err := os.MkdirAll(instdir, 0700); err != nil {
+ return err
+ }
+ // Lock the instance directory to prevent concurrent use by another instance as well as
+ // accidental use of the instance directory as a database.
+ release, _, err := fileutil.Flock(filepath.Join(instdir, "LOCK"))
+ if err != nil {
+ return convertFileLockError(err)
+ }
+ n.dirLock = release
+ return nil
}
// New creates a new P2P node, ready for protocol registration.
@@ -71,6 +91,10 @@ func New(conf *Config) (*Node, error) {
}
conf.DataDir = absdatadir
}
+ if conf.Logger == nil {
+ conf.Logger = log.New()
+ }
+
// Ensure that the instance name doesn't cause weird conflicts with
// other files in the data directory.
if strings.ContainsAny(conf.Name, `/\`) {
@@ -82,25 +106,50 @@ func New(conf *Config) (*Node, error) {
if strings.HasSuffix(conf.Name, ".ipc") {
return nil, errors.New(`Config.Name cannot end in ".ipc"`)
}
- // Ensure that the AccountManager method works before the node has started.
- // We rely on this in cmd/geth.
+
+ node := &Node{
+ config: conf,
+ inprocHandler: rpc.NewServer(),
+ eventmux: new(event.TypeMux),
+ log: conf.Logger,
+ stop: make(chan struct{}),
+ server: &p2p.Server{Config: conf.P2P},
+ databases: make(map[*closeTrackingDB]struct{}),
+ }
+
+ // Register built-in APIs.
+ node.rpcAPIs = append(node.rpcAPIs, node.apis()...)
+
+ // Acquire the instance directory lock.
+ if err := node.openDataDir(); err != nil {
+ return nil, err
+ }
+ // Ensure that the AccountManager method works before the node has started. We rely on
+ // this in cmd/geth.
am, ephemeralKeystore, err := makeAccountManager(conf)
if err != nil {
return nil, err
}
- if conf.Logger == nil {
- conf.Logger = log.New()
+ node.accman = am
+ node.ephemKeystore = ephemeralKeystore
+
+ // Initialize the p2p server. This creates the node key and discovery databases.
+ node.server.Config.PrivateKey = node.config.NodeKey()
+ node.server.Config.Name = node.config.NodeName()
+ node.server.Config.Logger = node.log
+ if node.server.Config.StaticNodes == nil {
+ node.server.Config.StaticNodes = node.config.StaticNodes()
+ }
+ if node.server.Config.TrustedNodes == nil {
+ node.server.Config.TrustedNodes = node.config.TrustedNodes()
}
- // Note: any interaction with Config that would create/touch files
- // in the data directory or instance directory is delayed until Start.
- return &Node{
- accman: am,
- ephemeralKeystore: ephemeralKeystore,
- config: conf,
- serviceFuncs: []ServiceConstructor{},
- eventmux: new(event.TypeMux),
- log: conf.Logger,
- }, nil
+ if node.server.Config.NodeDatabase == "" {
+ node.server.Config.NodeDatabase = node.config.NodeDB()
+ }
+
+ // Configure RPC servers.
+
+ return node, nil
}
// Config returns the configuration of node.
@@ -109,33 +158,15 @@ func (n *Node) Config() *Config {
}
// Server retrieves the currently running P2P network layer. This method is meant
-// only to inspect fields of the currently running server, life cycle management
-// should be left to this Node entity.
+// only to inspect fields of the currently running server. Callers should not
+// start or stop the returned server.
func (n *Node) Server() *p2p.Server {
- n.lock.RLock()
- defer n.lock.RUnlock()
+ n.lock.Lock()
+ defer n.lock.Unlock()
return n.server
}
-// Service retrieves a currently running service registered of a specific type.
-func (n *Node) Service(service interface{}) error {
- n.lock.RLock()
- defer n.lock.RUnlock()
-
- // Short circuit if the node's not running
- if n.server == nil {
- return ErrNodeStopped
- }
- // Otherwise try to find the service to return
- element := reflect.ValueOf(service).Elem()
- if running, ok := n.services[element.Type()]; ok {
- element.Set(reflect.ValueOf(running))
- return nil
- }
- return ErrServiceUnknown
-}
-
// DataDir retrieves the current datadir used by the protocol stack.
// Deprecated: No files should be stored in this directory, use InstanceDir instead.
func (n *Node) DataDir() string {
@@ -162,10 +193,24 @@ func (n *Node) EventMux() *event.TypeMux {
// previous can be found) from within the node's instance directory. If the node is
// ephemeral, a memory database is returned.
func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (ethdb.Database, error) {
+ n.lock.Lock()
+ defer n.lock.Unlock()
+ if n.state == closedState {
+ return nil, ErrNodeStopped
+ }
+
+ var db ethdb.Database
+ var err error
if n.config.DataDir == "" {
- return rawdb.NewMemoryDatabase(), nil
+ db = rawdb.NewMemoryDatabase()
+ } else {
+ db, err = rawdb.NewLevelDBDatabase(n.ResolvePath(name), cache, handles, namespace)
}
- return rawdb.NewLevelDBDatabase(n.config.ResolvePath(name), cache, handles, namespace)
+
+ if err == nil {
+ db = n.wrapDatabase(db)
+ }
+ return db, err
}
// OpenDatabaseWithFreezer opens an existing database with the given name (or
@@ -174,18 +219,31 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (
// database to immutable append-only files. If the node is an ephemeral one, a
// memory database is returned.
func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer, namespace string) (ethdb.Database, error) {
+ n.lock.Lock()
+ defer n.lock.Unlock()
+ if n.state == closedState {
+ return nil, ErrNodeStopped
+ }
+
+ var db ethdb.Database
+ var err error
if n.config.DataDir == "" {
- return rawdb.NewMemoryDatabase(), nil
+ db = rawdb.NewMemoryDatabase()
+ } else {
+ root := n.ResolvePath(name)
+ switch {
+ case freezer == "":
+ freezer = filepath.Join(root, "ancient")
+ case !filepath.IsAbs(freezer):
+ freezer = n.ResolvePath(freezer)
+ }
+ db, err = rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace)
}
- root := n.config.ResolvePath(name)
- switch {
- case freezer == "":
- freezer = filepath.Join(root, "ancient")
- case !filepath.IsAbs(freezer):
- freezer = n.config.ResolvePath(freezer)
+ if err == nil {
+ db = n.wrapDatabase(db)
}
- return rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace)
+ return db, err
}
// ResolvePath returns the absolute path of a resource in the instance directory.
@@ -193,27 +251,46 @@ func (n *Node) ResolvePath(x string) string {
return n.config.ResolvePath(x)
}
-// apis returns the collection of RPC descriptors this node offers.
-func (n *Node) apis() []rpc.API {
- return []rpc.API{
- {
- Namespace: "admin",
- Version: "1.0",
- Service: NewPrivateAdminAPI(n),
- }, {
- Namespace: "admin",
- Version: "1.0",
- Service: NewPublicAdminAPI(n),
- Public: true,
- }, {
- Namespace: "debug",
- Version: "1.0",
- Service: debug.Handler,
- }, {
- Namespace: "web3",
- Version: "1.0",
- Service: NewPublicWeb3API(n),
- Public: true,
- },
+// closeTrackingDB wraps the Close method of a database. When the database is closed by the
+// service, the wrapper removes it from the node's database map. This ensures that Node
+// won't auto-close the database if it is closed by the service that opened it.
+type closeTrackingDB struct {
+ ethdb.Database
+ n *Node
+}
+
+func (db *closeTrackingDB) Close() error {
+ db.n.lock.Lock()
+ delete(db.n.databases, db)
+ db.n.lock.Unlock()
+ return db.Database.Close()
+}
+
+// wrapDatabase ensures the database will be auto-closed when Node is closed.
+func (n *Node) wrapDatabase(db ethdb.Database) ethdb.Database {
+ wrapper := &closeTrackingDB{db, n}
+ n.databases[wrapper] = struct{}{}
+ return wrapper
+}
+
+// closeDatabases closes all open databases.
+func (n *Node) closeDatabases() (errors []error) {
+ for db := range n.databases {
+ delete(n.databases, db)
+ if err := db.Database.Close(); err != nil {
+ errors = append(errors, err)
+ }
+ }
+ return errors
+}
+
+// RegisterAPIs registers the APIs a service provides on the node.
+func (n *Node) RegisterAPIs(apis []rpc.API) {
+ n.lock.Lock()
+ defer n.lock.Unlock()
+
+ if n.state != initializingState {
+ panic("can't register APIs on running/stopped node")
}
+ n.rpcAPIs = append(n.rpcAPIs, apis...)
}
diff --git a/node/service.go b/node/service.go
deleted file mode 100644
index 7b3a4ff..0000000
--- a/node/service.go
+++ /dev/null
@@ -1,135 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package node
-
-import (
- "path/filepath"
- "reflect"
-
- "github.com/ava-labs/coreth/accounts"
- "github.com/ava-labs/coreth/core/rawdb"
- "github.com/ava-labs/coreth/rpc"
- "github.com/ava-labs/go-ethereum/ethdb"
- "github.com/ava-labs/go-ethereum/event"
- "github.com/ava-labs/go-ethereum/p2p"
-)
-
-// ServiceContext is a collection of service independent options inherited from
-// the protocol stack, that is passed to all constructors to be optionally used;
-// as well as utility methods to operate on the service environment.
-type ServiceContext struct {
- config *Config
- services map[reflect.Type]Service // Index of the already constructed services
- EventMux *event.TypeMux // Event multiplexer used for decoupled notifications
- AccountManager *accounts.Manager // Account manager created by the node.
-}
-
-// OpenDatabase opens an existing database with the given name (or creates one
-// if no previous can be found) from within the node's data directory. If the
-// node is an ephemeral one, a memory database is returned.
-func (ctx *ServiceContext) OpenDatabase(name string, cache int, handles int, namespace string) (ethdb.Database, error) {
- if ctx.config.DataDir == "" {
- return rawdb.NewMemoryDatabase(), nil
- }
- return rawdb.NewLevelDBDatabase(ctx.config.ResolvePath(name), cache, handles, namespace)
-}
-
-// OpenDatabaseWithFreezer opens an existing database with the given name (or
-// creates one if no previous can be found) from within the node's data directory,
-// also attaching a chain freezer to it that moves ancient chain data from the
-// database to immutable append-only files. If the node is an ephemeral one, a
-// memory database is returned.
-func (ctx *ServiceContext) OpenDatabaseWithFreezer(name string, cache int, handles int, freezer string, namespace string) (ethdb.Database, error) {
- if ctx.config.DataDir == "" {
- return rawdb.NewMemoryDatabase(), nil
- }
- root := ctx.config.ResolvePath(name)
-
- switch {
- case freezer == "":
- freezer = filepath.Join(root, "ancient")
- case !filepath.IsAbs(freezer):
- freezer = ctx.config.ResolvePath(freezer)
- }
- return rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace)
-}
-
-// ResolvePath resolves a user path into the data directory if that was relative
-// and if the user actually uses persistent storage. It will return an empty string
-// for emphemeral storage and the user's own input for absolute paths.
-func (ctx *ServiceContext) ResolvePath(path string) string {
- return ctx.config.ResolvePath(path)
-}
-
-// Service retrieves a currently running service registered of a specific type.
-func (ctx *ServiceContext) Service(service interface{}) error {
- element := reflect.ValueOf(service).Elem()
- if running, ok := ctx.services[element.Type()]; ok {
- element.Set(reflect.ValueOf(running))
- return nil
- }
- return ErrServiceUnknown
-}
-
-// ExtRPCEnabled returns the indicator whether node enables the external
-// RPC(http, ws or graphql).
-func (ctx *ServiceContext) ExtRPCEnabled() bool {
- return ctx.config.ExtRPCEnabled()
-}
-
-func NewServiceContext(cfg *Config, mux *event.TypeMux) (ServiceContext, string, error) {
- if cfg == nil {
- cfg = &Config{}
- }
- am, ep, err := makeAccountManager(cfg)
- return ServiceContext{
- config: cfg,
- services: make(map[reflect.Type]Service),
- EventMux: mux,
- AccountManager: am,
- }, ep, err
-}
-
-// ServiceConstructor is the function signature of the constructors needed to be
-// registered for service instantiation.
-type ServiceConstructor func(ctx *ServiceContext) (Service, error)
-
-// Service is an individual protocol that can be registered into a node.
-//
-// Notes:
-//
-// • Service life-cycle management is delegated to the node. The service is allowed to
-// initialize itself upon creation, but no goroutines should be spun up outside of the
-// Start method.
-//
-// • Restart logic is not required as the node will create a fresh instance
-// every time a service is started.
-type Service interface {
- // Protocols retrieves the P2P protocols the service wishes to start.
- Protocols() []p2p.Protocol
-
- // APIs retrieves the list of RPC descriptors the service provides
- APIs() []rpc.API
-
- // Start is called after all services have been constructed and the networking
- // layer was also initialized to spawn any goroutines required by the service.
- Start(server *p2p.Server) error
-
- // Stop terminates all goroutines belonging to the service, blocking until they
- // are all terminated.
- Stop() error
-}
diff --git a/params/config.go b/params/config.go
index 23286cc..e5ec64b 100644
--- a/params/config.go
+++ b/params/config.go
@@ -21,23 +21,24 @@ import (
"fmt"
"math/big"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
)
// Genesis hashes to enforce below configs on.
var (
MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
- TestnetGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
+ RopstenGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
GoerliGenesisHash = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
+ YoloV1GenesisHash = common.HexToHash("0xc3fd235071f24f93865b0850bd2a2119b30f7224d18a0e34c7bbf549ad7e3d36")
)
// TrustedCheckpoints associates each known checkpoint with the genesis hash of
// the chain it belongs to.
var TrustedCheckpoints = map[common.Hash]*TrustedCheckpoint{
MainnetGenesisHash: MainnetTrustedCheckpoint,
- TestnetGenesisHash: TestnetTrustedCheckpoint,
+ RopstenGenesisHash: RopstenTrustedCheckpoint,
RinkebyGenesisHash: RinkebyTrustedCheckpoint,
GoerliGenesisHash: GoerliTrustedCheckpoint,
}
@@ -46,7 +47,7 @@ var TrustedCheckpoints = map[common.Hash]*TrustedCheckpoint{
// the chain it belongs to.
var CheckpointOracles = map[common.Hash]*CheckpointOracleConfig{
MainnetGenesisHash: MainnetCheckpointOracle,
- TestnetGenesisHash: TestnetCheckpointOracle,
+ RopstenGenesisHash: RopstenCheckpointOracle,
RinkebyGenesisHash: RinkebyCheckpointOracle,
GoerliGenesisHash: GoerliCheckpointOracle,
}
@@ -65,16 +66,17 @@ var (
ByzantiumBlock: big.NewInt(4370000),
ConstantinopleBlock: big.NewInt(7280000),
PetersburgBlock: big.NewInt(7280000),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(9069000),
+ MuirGlacierBlock: big.NewInt(9200000),
Ethash: new(EthashConfig),
}
// MainnetTrustedCheckpoint contains the light client trusted checkpoint for the main network.
MainnetTrustedCheckpoint = &TrustedCheckpoint{
- SectionIndex: 253,
- SectionHead: common.HexToHash("0xf35fabd036e2030196183bb70ae194f6ce1ea7b58559e3825c168f1df9c0a258"),
- CHTRoot: common.HexToHash("0x8992849e2be3390696eaf66312626e484045501cd3ec207922c27a6a80a7bb07"),
- BloomRoot: common.HexToHash("0xcc510b51ca4d73fb3fdf43208d73286f8f23817cdc31b8ea9f4de8d645f07df4"),
+ SectionIndex: 329,
+ SectionHead: common.HexToHash("0x96bb6d286ded20a18480dd98d537ab503bd81110c6b9c3f8ad1f9338f3b9852d"),
+ CHTRoot: common.HexToHash("0x10627ff648077adeaab9dbd4e5bbed8671c86005b2aef5f5d4857acca19a49d8"),
+ BloomRoot: common.HexToHash("0xf499b0cfaf426a490b7b5ddca58d3031b008f0c15338f8f25c20f3df050bf785"),
}
// MainnetCheckpointOracle contains a set of configs for the main network oracle.
@@ -90,8 +92,8 @@ var (
Threshold: 2,
}
- // TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
- TestnetChainConfig = &ChainConfig{
+ // RopstenChainConfig contains the chain parameters to run a node on the Ropsten test network.
+ RopstenChainConfig = &ChainConfig{
ChainID: big.NewInt(3),
HomesteadBlock: big.NewInt(0),
DAOForkBlock: nil,
@@ -103,20 +105,21 @@ var (
ByzantiumBlock: big.NewInt(1700000),
ConstantinopleBlock: big.NewInt(4230000),
PetersburgBlock: big.NewInt(4939394),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(6485846),
+ MuirGlacierBlock: big.NewInt(7117117),
Ethash: new(EthashConfig),
}
- // TestnetTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
- TestnetTrustedCheckpoint = &TrustedCheckpoint{
- SectionIndex: 187,
- SectionHead: common.HexToHash("0x7d6db64d8ec43303e4392fb726d2346f7231b246decca3d8140dd7e2c0d0b07d"),
- CHTRoot: common.HexToHash("0xa5095e1a004a8642fb93ca682eb91e8f20ef5bce151e47404fbb68772d17705b"),
- BloomRoot: common.HexToHash("0x90b28050f948ec6fb35b23a91d9aed38ce0c92d3cdd6e1d383c1bddf8b4071cf"),
+ // RopstenTrustedCheckpoint contains the light client trusted checkpoint for the Ropsten test network.
+ RopstenTrustedCheckpoint = &TrustedCheckpoint{
+ SectionIndex: 262,
+ SectionHead: common.HexToHash("0x12b068f285789b966a983b632266484f1bc93803df6c78773538a5777f57a236"),
+ CHTRoot: common.HexToHash("0x14000a1407e866f174f3a20fe9f271acd704bcf929b5205d83b70a1bba8c82c2"),
+ BloomRoot: common.HexToHash("0x2f4f4a34a55e35d0691c79a79e39b6f661259345080fb880da5195c11c2413be"),
}
- // TestnetCheckpointOracle contains a set of configs for the Ropsten test network oracle.
- TestnetCheckpointOracle = &CheckpointOracleConfig{
+ // RopstenCheckpointOracle contains a set of configs for the Ropsten test network oracle.
+ RopstenCheckpointOracle = &CheckpointOracleConfig{
Address: common.HexToAddress("0xEF79475013f154E6A65b54cB2742867791bf0B84"),
Signers: []common.Address{
common.HexToAddress("0x32162F3581E88a5f62e8A61892B42C46E2c18f7b"), // Peter
@@ -141,7 +144,8 @@ var (
ByzantiumBlock: big.NewInt(1035301),
ConstantinopleBlock: big.NewInt(3660663),
PetersburgBlock: big.NewInt(4321234),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(5435345),
+ MuirGlacierBlock: nil,
Clique: &CliqueConfig{
Period: 15,
Epoch: 30000,
@@ -150,10 +154,10 @@ var (
// RinkebyTrustedCheckpoint contains the light client trusted checkpoint for the Rinkeby test network.
RinkebyTrustedCheckpoint = &TrustedCheckpoint{
- SectionIndex: 148,
- SectionHead: common.HexToHash("0x45918f4686732c2a3e80827e1bc39cdb6a27fa362ddfe1fdfb61c69a7f1df1a9"),
- CHTRoot: common.HexToHash("0x8ac7046391fec14834a2a0183513937c0b5f696666545991477d24b067008961"),
- BloomRoot: common.HexToHash("0xfe4b852517612d7da54bf7e9fc18861a83171a93c72583bb6a61893b74422168"),
+ SectionIndex: 217,
+ SectionHead: common.HexToHash("0x9afa4900a60cb44b102eb2eb5e5ef1d7f4cc1911c1c0588518995fb778ffe894"),
+ CHTRoot: common.HexToHash("0xcc963e5085622c7cb6b3bf747fbfdfe71887e0d5bc9e4b3fb0474d44fc97942a"),
+ BloomRoot: common.HexToHash("0x1064ca3a36b6f129783cff51bb18fb038bade47d2b776d1cccb9c74925106703"),
}
// RinkebyCheckpointOracle contains a set of configs for the Rinkeby test network oracle.
@@ -180,7 +184,8 @@ var (
ByzantiumBlock: big.NewInt(0),
ConstantinopleBlock: big.NewInt(0),
PetersburgBlock: big.NewInt(0),
- IstanbulBlock: nil,
+ IstanbulBlock: big.NewInt(1561651),
+ MuirGlacierBlock: nil,
Clique: &CliqueConfig{
Period: 15,
Epoch: 30000,
@@ -189,10 +194,10 @@ var (
// GoerliTrustedCheckpoint contains the light client trusted checkpoint for the Görli test network.
GoerliTrustedCheckpoint = &TrustedCheckpoint{
- SectionIndex: 32,
- SectionHead: common.HexToHash("0x50eaedd8361fa9edd0ac2dec410310b9bdf67b963b60f3b1dce47f84b30670f9"),
- CHTRoot: common.HexToHash("0x6504db73139f75ffa9102ae980e41b361cf3d5b66cea06c79cde9f457368820c"),
- BloomRoot: common.HexToHash("0x7551ae027bb776252a20ded51ee2ff0cbfbd1d8d57261b9161cc1f2f80237001"),
+ SectionIndex: 101,
+ SectionHead: common.HexToHash("0x396f5dd8e526edfb550873bcfe0e93dc00d70be4b881ab256980833b97a18c3e"),
+ CHTRoot: common.HexToHash("0x0d145657a6595508ef878c9bbf8eca045631986f664bfab0d898fc64804a4e64"),
+ BloomRoot: common.HexToHash("0x12df34d07cf1268abe22d40ee6deb199b8918e3d57d52f9e70f9b2883f57d74f"),
}
// GoerliCheckpointOracle contains a set of configs for the Goerli test network oracle.
@@ -208,21 +213,42 @@ var (
Threshold: 2,
}
+ // YoloV1ChainConfig contains the chain parameters to run a node on the YOLOv1 test network.
+ YoloV1ChainConfig = &ChainConfig{
+ ChainID: big.NewInt(133519467574833),
+ HomesteadBlock: big.NewInt(0),
+ DAOForkBlock: nil,
+ DAOForkSupport: true,
+ EIP150Block: big.NewInt(0),
+ EIP155Block: big.NewInt(0),
+ EIP158Block: big.NewInt(0),
+ ByzantiumBlock: big.NewInt(0),
+ ConstantinopleBlock: big.NewInt(0),
+ PetersburgBlock: big.NewInt(0),
+ IstanbulBlock: big.NewInt(0),
+ MuirGlacierBlock: nil,
+ YoloV1Block: big.NewInt(0),
+ Clique: &CliqueConfig{
+ Period: 15,
+ Epoch: 30000,
+ },
+ }
+
// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
// and accepted by the Ethereum core developers into the Ethash consensus.
//
// This configuration is intentionally not using keyed fields to force anyone
// adding flags to the config to also have to set these fields.
- AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, new(EthashConfig), nil}
+ AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil}
// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
// and accepted by the Ethereum core developers into the Clique consensus.
//
// This configuration is intentionally not using keyed fields to force anyone
// adding flags to the config to also have to set these fields.
- AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
+ AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}}
- TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, new(EthashConfig), nil}
+ TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, new(EthashConfig), nil}
TestRules = TestChainConfig.Rules(new(big.Int))
)
@@ -292,7 +318,10 @@ type ChainConfig struct {
ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)
PetersburgBlock *big.Int `json:"petersburgBlock,omitempty"` // Petersburg switch block (nil = same as Constantinople)
IstanbulBlock *big.Int `json:"istanbulBlock,omitempty"` // Istanbul switch block (nil = no fork, 0 = already on istanbul)
- EWASMBlock *big.Int `json:"ewasmBlock,omitempty"` // EWASM switch block (nil = no fork, 0 = already activated)
+ MuirGlacierBlock *big.Int `json:"muirGlacierBlock,omitempty"` // Eip-2384 (bomb delay) switch block (nil = no fork, 0 = already activated)
+
+ YoloV1Block *big.Int `json:"yoloV1Block,omitempty"` // YOLO v1: https://github.com/ethereum/EIPs/pull/2657 (Ephemeral testnet)
+ EWASMBlock *big.Int `json:"ewasmBlock,omitempty"` // EWASM switch block (nil = no fork, 0 = already activated)
// Various consensus engines
Ethash *EthashConfig `json:"ethash,omitempty"`
@@ -329,7 +358,7 @@ func (c *ChainConfig) String() string {
default:
engine = "unknown"
}
- return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v Engine: %v}",
+ return fmt.Sprintf("{ChainID: %v Homestead: %v DAO: %v DAOSupport: %v EIP150: %v EIP155: %v EIP158: %v Byzantium: %v Constantinople: %v Petersburg: %v Istanbul: %v, Muir Glacier: %v, YOLO v1: %v, Engine: %v}",
c.ChainID,
c.HomesteadBlock,
c.DAOForkBlock,
@@ -341,6 +370,8 @@ func (c *ChainConfig) String() string {
c.ConstantinopleBlock,
c.PetersburgBlock,
c.IstanbulBlock,
+ c.MuirGlacierBlock,
+ c.YoloV1Block,
engine,
)
}
@@ -380,6 +411,11 @@ func (c *ChainConfig) IsConstantinople(num *big.Int) bool {
return isForked(c.ConstantinopleBlock, num)
}
+// IsMuirGlacier returns whether num is either equal to the Muir Glacier (EIP-2384) fork block or greater.
+func (c *ChainConfig) IsMuirGlacier(num *big.Int) bool {
+ return isForked(c.MuirGlacierBlock, num)
+}
+
// IsPetersburg returns whether num is either
// - equal to or greater than the PetersburgBlock fork block,
// - OR is nil, and Constantinople is active
@@ -392,6 +428,11 @@ func (c *ChainConfig) IsIstanbul(num *big.Int) bool {
return isForked(c.IstanbulBlock, num)
}
+// IsYoloV1 returns whether num is either equal to the YoloV1 fork block or greater.
+func (c *ChainConfig) IsYoloV1(num *big.Int) bool {
+ return isForked(c.YoloV1Block, num)
+}
+
// IsEWASM returns whether num represents a block number after the EWASM fork
func (c *ChainConfig) IsEWASM(num *big.Int) bool {
return isForked(c.EWASMBlock, num)
@@ -415,6 +456,49 @@ func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *Confi
return lasterr
}
+// CheckConfigForkOrder checks that we don't "skip" any forks, geth isn't pluggable enough
+// to guarantee that forks can be implemented in a different order than on official networks
+func (c *ChainConfig) CheckConfigForkOrder() error {
+ type fork struct {
+ name string
+ block *big.Int
+ optional bool // if true, the fork may be nil and next fork is still allowed
+ }
+ var lastFork fork
+ for _, cur := range []fork{
+ {name: "homesteadBlock", block: c.HomesteadBlock},
+ {name: "daoForkBlock", block: c.DAOForkBlock, optional: true},
+ {name: "eip150Block", block: c.EIP150Block},
+ {name: "eip155Block", block: c.EIP155Block},
+ {name: "eip158Block", block: c.EIP158Block},
+ {name: "byzantiumBlock", block: c.ByzantiumBlock},
+ {name: "constantinopleBlock", block: c.ConstantinopleBlock},
+ {name: "petersburgBlock", block: c.PetersburgBlock},
+ {name: "istanbulBlock", block: c.IstanbulBlock},
+ {name: "muirGlacierBlock", block: c.MuirGlacierBlock, optional: true},
+ {name: "yoloV1Block", block: c.YoloV1Block},
+ } {
+ if lastFork.name != "" {
+ // Next one must be higher number
+ if lastFork.block == nil && cur.block != nil {
+ return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at %v",
+ lastFork.name, cur.name, cur.block)
+ }
+ if lastFork.block != nil && cur.block != nil {
+ if lastFork.block.Cmp(cur.block) > 0 {
+ return fmt.Errorf("unsupported fork ordering: %v enabled at %v, but %v enabled at %v",
+ lastFork.name, lastFork.block, cur.name, cur.block)
+ }
+ }
+ }
+ // If it was optional and not set, then ignore it
+ if !cur.optional || cur.block != nil {
+ lastFork = cur
+ }
+ }
+ return nil
+}
+
func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *ConfigCompatError {
if isForkIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, head) {
return newCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock)
@@ -449,6 +533,12 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *Confi
if isForkIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, head) {
return newCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock)
}
+ if isForkIncompatible(c.MuirGlacierBlock, newcfg.MuirGlacierBlock, head) {
+ return newCompatError("Muir Glacier fork block", c.MuirGlacierBlock, newcfg.MuirGlacierBlock)
+ }
+ if isForkIncompatible(c.YoloV1Block, newcfg.YoloV1Block, head) {
+ return newCompatError("YOLOv1 fork block", c.YoloV1Block, newcfg.YoloV1Block)
+ }
if isForkIncompatible(c.EWASMBlock, newcfg.EWASMBlock, head) {
return newCompatError("ewasm fork block", c.EWASMBlock, newcfg.EWASMBlock)
}
@@ -519,6 +609,7 @@ type Rules struct {
ChainID *big.Int
IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool
IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
+ IsYoloV1 bool
}
// Rules ensures c's ChainID is not nil.
@@ -537,5 +628,6 @@ func (c *ChainConfig) Rules(num *big.Int) Rules {
IsConstantinople: c.IsConstantinople(num),
IsPetersburg: c.IsPetersburg(num),
IsIstanbul: c.IsIstanbul(num),
+ IsYoloV1: c.IsYoloV1(num),
}
}
diff --git a/params/dao.go b/params/dao.go
index 2d75845..da3c8df 100644
--- a/params/dao.go
+++ b/params/dao.go
@@ -19,7 +19,7 @@ package params
import (
"math/big"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// DAOForkBlockExtra is the block header extra-data field to set for the DAO fork
diff --git a/params/network_params.go b/params/network_params.go
index bba2472..9311b5e 100644
--- a/params/network_params.go
+++ b/params/network_params.go
@@ -53,9 +53,15 @@ const (
// CheckpointProcessConfirmations is the number before a checkpoint is generated
CheckpointProcessConfirmations = 256
- // ImmutabilityThreshold is the number of blocks after which a chain segment is
+ // FullImmutabilityThreshold is the number of blocks after which a chain segment is
// considered immutable (i.e. soft finality). It is used by the downloader as a
// hard limit against deep ancestors, by the blockchain against deep reorgs, by
- // the freezer as the cutoff treshold and by clique as the snapshot trust limit.
- ImmutabilityThreshold = 90000
+ // the freezer as the cutoff threshold and by clique as the snapshot trust limit.
+ FullImmutabilityThreshold = 90000
+
+ // LightImmutabilityThreshold is the number of blocks after which a header chain
+ // segment is considered immutable for light client(i.e. soft finality). It is used by
+ // the downloader as a hard limit against deep ancestors, by the blockchain against deep
+ // reorgs, by the light pruner as the pruning validity guarantee.
+ LightImmutabilityThreshold = 30000
)
diff --git a/params/protocol_params.go b/params/protocol_params.go
index c0c5ffd..a82eef2 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -91,6 +91,7 @@ const (
SloadGasFrontier uint64 = 50
SloadGasEIP150 uint64 = 200
SloadGasEIP1884 uint64 = 800 // Cost of SLOAD after EIP 1884 (part of Istanbul)
+ SloadGasEIP2200 uint64 = 800 // Cost of SLOAD after EIP 2200 (part of Istanbul)
ExtcodeHashGasConstantinople uint64 = 400 // Cost of EXTCODEHASH (introduced in Constantinople)
ExtcodeHashGasEIP1884 uint64 = 700 // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul)
SelfdestructGasEIP150 uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine)
@@ -130,8 +131,20 @@ const (
Bn256PairingBaseGasIstanbul uint64 = 45000 // Base price for an elliptic curve pairing check
Bn256PairingPerPointGasByzantium uint64 = 80000 // Byzantium per-point price for an elliptic curve pairing check
Bn256PairingPerPointGasIstanbul uint64 = 34000 // Per-point price for an elliptic curve pairing check
+
+ Bls12381G1AddGas uint64 = 600 // Price for BLS12-381 elliptic curve G1 point addition
+ Bls12381G1MulGas uint64 = 12000 // Price for BLS12-381 elliptic curve G1 point scalar multiplication
+ Bls12381G2AddGas uint64 = 4500 // Price for BLS12-381 elliptic curve G2 point addition
+ Bls12381G2MulGas uint64 = 55000 // Price for BLS12-381 elliptic curve G2 point scalar multiplication
+ Bls12381PairingBaseGas uint64 = 115000 // Base gas price for BLS12-381 elliptic curve pairing check
+ Bls12381PairingPerPairGas uint64 = 23000 // Per-point pair gas price for BLS12-381 elliptic curve pairing check
+ Bls12381MapG1Gas uint64 = 5500 // Gas price for BLS12-381 mapping field element to G1 operation
+ Bls12381MapG2Gas uint64 = 110000 // Gas price for BLS12-381 mapping field element to G2 operation
)
+// Gas discount table for BLS12-381 G1 and G2 multi exponentiation operations
+var Bls12381MultiExpDiscountTable = [128]uint64{1200, 888, 764, 641, 594, 547, 500, 453, 438, 423, 408, 394, 379, 364, 349, 334, 330, 326, 322, 318, 314, 310, 306, 302, 298, 294, 289, 285, 281, 277, 273, 269, 268, 266, 265, 263, 262, 260, 259, 257, 256, 254, 253, 251, 250, 248, 247, 245, 244, 242, 241, 239, 238, 236, 235, 233, 232, 231, 229, 228, 226, 225, 223, 222, 221, 220, 219, 219, 218, 217, 216, 216, 215, 214, 213, 213, 212, 211, 211, 210, 209, 208, 208, 207, 206, 205, 205, 204, 203, 202, 202, 201, 200, 199, 199, 198, 197, 196, 196, 195, 194, 193, 193, 192, 191, 191, 190, 189, 188, 188, 187, 186, 185, 185, 184, 183, 182, 182, 181, 180, 179, 179, 178, 177, 176, 176, 175, 174}
+
var (
DifficultyBoundDivisor = big.NewInt(2048) // The bound divisor of the difficulty, used in the update calculations.
GenesisDifficulty = big.NewInt(131072) // Difficulty of the Genesis block.
diff --git a/params/version.go b/params/version.go
index 94386f5..521efe1 100644
--- a/params/version.go
+++ b/params/version.go
@@ -23,7 +23,7 @@ import (
const (
VersionMajor = 1 // Major version component of the current release
VersionMinor = 9 // Minor version component of the current release
- VersionPatch = 3 // Patch version component of the current release
+ VersionPatch = 22 // Patch version component of the current release
VersionMeta = "unstable" // Version metadata to append to the version string
)
diff --git a/plugin/evm/block.go b/plugin/evm/block.go
index 134fa29..98280f0 100644
--- a/plugin/evm/block.go
+++ b/plugin/evm/block.go
@@ -8,7 +8,7 @@ import (
"fmt"
"github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/go-ethereum/rlp"
+ "github.com/ethereum/go-ethereum/rlp"
"github.com/ava-labs/avalanchego/ids"
"github.com/ava-labs/avalanchego/snow/choices"
diff --git a/plugin/evm/database.go b/plugin/evm/database.go
index aedbc9b..81d1c1d 100644
--- a/plugin/evm/database.go
+++ b/plugin/evm/database.go
@@ -6,7 +6,7 @@ package evm
import (
"errors"
- "github.com/ava-labs/go-ethereum/ethdb"
+ "github.com/ethereum/go-ethereum/ethdb"
"github.com/ava-labs/avalanchego/database"
)
@@ -46,12 +46,19 @@ func (db Database) Sync() error { return errOpNotSupported }
// NewBatch implements ethdb.Database
func (db Database) NewBatch() ethdb.Batch { return Batch{db.Database.NewBatch()} }
-// NewIterator implements ethdb.Database
-func (db Database) NewIterator() ethdb.Iterator { return db.Database.NewIterator() }
+//// NewIterator implements ethdb.Database
+//func (db Database) NewIterator() ethdb.Iterator {
+// return db.Database.NewIterator()
+//}
+
+//// NewIteratorWithPrefix implements ethdb.Database
+//func (db Database) NewIteratorWithPrefix(prefix []byte) ethdb.Iterator {
+// return db.NewIteratorWithPrefix(prefix)
+//}
-// NewIteratorWithPrefix implements ethdb.Database
-func (db Database) NewIteratorWithPrefix(prefix []byte) ethdb.Iterator {
- return db.NewIteratorWithPrefix(prefix)
+// NewIterator implements ethdb.Database
+func (db Database) NewIterator(prefix []byte, start []byte) ethdb.Iterator {
+ return db.NewIteratorWithStartAndPrefix(start, prefix)
}
// NewIteratorWithStart implements ethdb.Database
diff --git a/plugin/evm/export_tx.go b/plugin/evm/export_tx.go
index 43f858c..0487c44 100644
--- a/plugin/evm/export_tx.go
+++ b/plugin/evm/export_tx.go
@@ -8,7 +8,7 @@ import (
"math/big"
"github.com/ava-labs/coreth/core/state"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
"github.com/ava-labs/avalanchego/chains/atomic"
"github.com/ava-labs/avalanchego/database"
diff --git a/plugin/evm/import_tx.go b/plugin/evm/import_tx.go
index c6ad2d9..7d17c4e 100644
--- a/plugin/evm/import_tx.go
+++ b/plugin/evm/import_tx.go
@@ -16,7 +16,7 @@ import (
"github.com/ava-labs/avalanchego/utils/math"
"github.com/ava-labs/avalanchego/vms/components/avax"
"github.com/ava-labs/avalanchego/vms/secp256k1fx"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// UnsignedImportTx is an unsigned ImportTx
diff --git a/plugin/evm/service.go b/plugin/evm/service.go
index 33429b5..65d389d 100644
--- a/plugin/evm/service.go
+++ b/plugin/evm/service.go
@@ -20,9 +20,9 @@ import (
"github.com/ava-labs/avalanchego/utils/crypto"
"github.com/ava-labs/avalanchego/utils/formatting"
"github.com/ava-labs/avalanchego/utils/json"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/common/hexutil"
- ethcrypto "github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
+ ethcrypto "github.com/ethereum/go-ethereum/crypto"
)
const (
diff --git a/plugin/evm/tx.go b/plugin/evm/tx.go
index e573580..e39a053 100644
--- a/plugin/evm/tx.go
+++ b/plugin/evm/tx.go
@@ -17,7 +17,7 @@ import (
"github.com/ava-labs/avalanchego/utils/hashing"
"github.com/ava-labs/avalanchego/vms/components/verify"
"github.com/ava-labs/avalanchego/vms/secp256k1fx"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// Max size of memo field
diff --git a/plugin/evm/user.go b/plugin/evm/user.go
index cfa302b..b751634 100644
--- a/plugin/evm/user.go
+++ b/plugin/evm/user.go
@@ -10,7 +10,7 @@ import (
"github.com/ava-labs/avalanchego/database"
"github.com/ava-labs/avalanchego/ids"
"github.com/ava-labs/avalanchego/utils/crypto"
- "github.com/ava-labs/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common"
)
// Key in the database whose corresponding value is the list of
diff --git a/plugin/evm/vm.go b/plugin/evm/vm.go
index d9ddd70..67ae5ce 100644
--- a/plugin/evm/vm.go
+++ b/plugin/evm/vm.go
@@ -22,11 +22,11 @@ import (
"github.com/ava-labs/coreth/node"
"github.com/ava-labs/coreth/params"
- "github.com/ava-labs/go-ethereum/common"
- "github.com/ava-labs/go-ethereum/rlp"
- "github.com/ava-labs/go-ethereum/rpc"
+ "github.com/ava-labs/coreth/rpc"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/rlp"
- ethcrypto "github.com/ava-labs/go-ethereum/crypto"
+ ethcrypto "github.com/ethereum/go-ethereum/crypto"
avalancheRPC "github.com/gorilla/rpc/v2"
diff --git a/rpc/client.go b/rpc/client.go
index 1c7058b..4f36a05 100644
--- a/rpc/client.go
+++ b/rpc/client.go
@@ -28,7 +28,7 @@ import (
"sync/atomic"
"time"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
var (
@@ -85,7 +85,7 @@ type Client struct {
// writeConn is used for writing to the connection on the caller's goroutine. It should
// only be accessed outside of dispatch, with the write lock held. The write lock is
- // taken by sending on requestOp and released by sending on sendDone.
+ // taken by sending on reqInit and released by sending on reqSent.
writeConn jsonWriter
// for dispatch
@@ -117,7 +117,7 @@ func (c *Client) newClientConn(conn ServerCodec) *clientConn {
func (cc *clientConn) close(err error, inflightReq *requestOp) {
cc.handler.close(err, inflightReq)
- cc.codec.Close()
+ cc.codec.close()
}
type readOp struct {
@@ -260,6 +260,19 @@ func (c *Client) Close() {
}
}
+// SetHeader adds a custom HTTP header to the client's requests.
+// This method only works for clients using HTTP, it doesn't have
+// any effect for clients using another transport.
+func (c *Client) SetHeader(key, value string) {
+ if !c.isHTTP {
+ return
+ }
+ conn := c.writeConn.(*httpConn)
+ conn.mu.Lock()
+ conn.headers.Set(key, value)
+ conn.mu.Unlock()
+}
+
// Call performs a JSON-RPC call with the given arguments and unmarshals into
// result if no error occurred.
//
@@ -276,6 +289,9 @@ func (c *Client) Call(result interface{}, method string, args ...interface{}) er
// The result must be a pointer so that package json can unmarshal into it. You
// can also pass nil, in which case the result is ignored.
func (c *Client) CallContext(ctx context.Context, result interface{}, method string, args ...interface{}) error {
+ if result != nil && reflect.TypeOf(result).Kind() != reflect.Ptr {
+ return fmt.Errorf("call result parameter must be pointer or nil interface: %v", result)
+ }
msg, err := c.newMessage(method, args...)
if err != nil {
return err
@@ -465,7 +481,7 @@ func (c *Client) newMessage(method string, paramsIn ...interface{}) (*jsonrpcMes
func (c *Client) send(ctx context.Context, op *requestOp, msg interface{}) error {
select {
case c.reqInit <- op:
- err := c.write(ctx, msg)
+ err := c.write(ctx, msg, false)
c.reqSent <- err
return err
case <-ctx.Done():
@@ -477,16 +493,19 @@ func (c *Client) send(ctx context.Context, op *requestOp, msg interface{}) error
}
}
-func (c *Client) write(ctx context.Context, msg interface{}) error {
+func (c *Client) write(ctx context.Context, msg interface{}, retry bool) error {
// The previous write failed. Try to establish a new connection.
if c.writeConn == nil {
if err := c.reconnect(ctx); err != nil {
return err
}
}
- err := c.writeConn.Write(ctx, msg)
+ err := c.writeConn.writeJSON(ctx, msg)
if err != nil {
c.writeConn = nil
+ if !retry {
+ return c.write(ctx, msg, true)
+ }
}
return err
}
@@ -511,7 +530,7 @@ func (c *Client) reconnect(ctx context.Context) error {
c.writeConn = newconn
return nil
case <-c.didClose:
- newconn.Close()
+ newconn.close()
return ErrClientQuit
}
}
@@ -558,7 +577,7 @@ func (c *Client) dispatch(codec ServerCodec) {
// Reconnect:
case newcodec := <-c.reconnected:
- log.Debug("RPC client reconnected", "reading", reading, "conn", newcodec.RemoteAddr())
+ log.Debug("RPC client reconnected", "reading", reading, "conn", newcodec.remoteAddr())
if reading {
// Wait for the previous read loop to exit. This is a rare case which
// happens if this loop isn't notified in time after the connection breaks.
@@ -612,9 +631,9 @@ func (c *Client) drainRead() {
// read decodes RPC messages from a codec, feeding them into dispatch.
func (c *Client) read(codec ServerCodec) {
for {
- msgs, batch, err := codec.Read()
+ msgs, batch, err := codec.readBatch()
if _, ok := err.(*json.SyntaxError); ok {
- codec.Write(context.Background(), errorMessage(&parseError{err.Error()}))
+ codec.writeJSON(context.Background(), errorMessage(&parseError{err.Error()}))
}
if err != nil {
c.readErr <- err
diff --git a/rpc/doc.go b/rpc/doc.go
index e5840c3..e0a6324 100644
--- a/rpc/doc.go
+++ b/rpc/doc.go
@@ -29,8 +29,6 @@ Methods that satisfy the following criteria are made available for remote access
- method must be exported
- method returns 0, 1 (response or error) or 2 (response and error) values
- - method argument(s) must be exported or builtin types
- - method returned value(s) must be exported or builtin types
An example method:
@@ -73,14 +71,9 @@ An example server which uses the JSON codec:
calculator := new(CalculatorService)
server := NewServer()
- server.RegisterName("calculator", calculator")
-
+ server.RegisterName("calculator", calculator)
l, _ := net.ListenUnix("unix", &net.UnixAddr{Net: "unix", Name: "/tmp/calculator.sock"})
- for {
- c, _ := l.AcceptUnix()
- codec := v2.NewJSONCodec(c)
- go server.ServeCodec(codec, 0)
- }
+ server.ServeListener(l)
Subscriptions
@@ -90,7 +83,6 @@ criteria:
- method must be exported
- first method argument type must be context.Context
- - method argument(s) must be exported or builtin types
- method must have return types (rpc.Subscription, error)
An example method:
diff --git a/rpc/errors.go b/rpc/errors.go
index c3aa826..dbfde8b 100644
--- a/rpc/errors.go
+++ b/rpc/errors.go
@@ -18,6 +18,15 @@ package rpc
import "fmt"
+var (
+ _ Error = new(methodNotFoundError)
+ _ Error = new(subscriptionNotFoundError)
+ _ Error = new(parseError)
+ _ Error = new(invalidRequestError)
+ _ Error = new(invalidMessageError)
+ _ Error = new(invalidParamsError)
+)
+
const defaultErrorCode = -32000
type methodNotFoundError struct{ method string }
diff --git a/rpc/gzip.go b/rpc/gzip.go
deleted file mode 100644
index a14fd09..0000000
--- a/rpc/gzip.go
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright 2019 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package rpc
-
-import (
- "compress/gzip"
- "io"
- "io/ioutil"
- "net/http"
- "strings"
- "sync"
-)
-
-var gzPool = sync.Pool{
- New: func() interface{} {
- w := gzip.NewWriter(ioutil.Discard)
- return w
- },
-}
-
-type gzipResponseWriter struct {
- io.Writer
- http.ResponseWriter
-}
-
-func (w *gzipResponseWriter) WriteHeader(status int) {
- w.Header().Del("Content-Length")
- w.ResponseWriter.WriteHeader(status)
-}
-
-func (w *gzipResponseWriter) Write(b []byte) (int, error) {
- return w.Writer.Write(b)
-}
-
-func newGzipHandler(next http.Handler) http.Handler {
- return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
- if !strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
- next.ServeHTTP(w, r)
- return
- }
-
- w.Header().Set("Content-Encoding", "gzip")
-
- gz := gzPool.Get().(*gzip.Writer)
- defer gzPool.Put(gz)
-
- gz.Reset(w)
- defer gz.Close()
-
- next.ServeHTTP(&gzipResponseWriter{ResponseWriter: w, Writer: gz}, r)
- })
-}
diff --git a/rpc/handler.go b/rpc/handler.go
index 187d0f8..23023ea 100644
--- a/rpc/handler.go
+++ b/rpc/handler.go
@@ -25,7 +25,7 @@ import (
"sync"
"time"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
// handler handles JSON-RPC messages. There is one handler per connection. Note that
@@ -85,8 +85,8 @@ func newHandler(connCtx context.Context, conn jsonWriter, idgen func() ID, reg *
serverSubs: make(map[ID]*Subscription),
log: log.Root(),
}
- if conn.RemoteAddr() != "" {
- h.log = h.log.New("conn", conn.RemoteAddr())
+ if conn.remoteAddr() != "" {
+ h.log = h.log.New("conn", conn.remoteAddr())
}
h.unsubscribeCb = newCallback(reflect.Value{}, reflect.ValueOf(h.unsubscribe))
return h
@@ -97,7 +97,7 @@ func (h *handler) handleBatch(msgs []*jsonrpcMessage) {
// Emit error response for empty batches:
if len(msgs) == 0 {
h.startCallProc(func(cp *callProc) {
- h.conn.Write(cp.ctx, errorMessage(&invalidRequestError{"empty batch"}))
+ h.conn.writeJSON(cp.ctx, errorMessage(&invalidRequestError{"empty batch"}))
})
return
}
@@ -122,7 +122,7 @@ func (h *handler) handleBatch(msgs []*jsonrpcMessage) {
}
h.addSubscriptions(cp.notifiers)
if len(answers) > 0 {
- h.conn.Write(cp.ctx, answers)
+ h.conn.writeJSON(cp.ctx, answers)
}
for _, n := range cp.notifiers {
n.activate()
@@ -139,7 +139,7 @@ func (h *handler) handleMsg(msg *jsonrpcMessage) {
answer := h.handleCallMsg(cp, msg)
h.addSubscriptions(cp.notifiers)
if answer != nil {
- h.conn.Write(cp.ctx, answer)
+ h.conn.writeJSON(cp.ctx, answer)
}
for _, n := range cp.notifiers {
n.activate()
@@ -189,7 +189,7 @@ func (h *handler) cancelAllRequests(err error, inflightReq *requestOp) {
}
for id, sub := range h.clientSubs {
delete(h.clientSubs, id)
- sub.quitWithError(err, false)
+ sub.quitWithError(false, err)
}
}
@@ -296,10 +296,16 @@ func (h *handler) handleCallMsg(ctx *callProc, msg *jsonrpcMessage) *jsonrpcMess
return nil
case msg.isCall():
resp := h.handleCall(ctx, msg)
+ var ctx []interface{}
+ ctx = append(ctx, "reqid", idForLog{msg.ID}, "t", time.Since(start))
if resp.Error != nil {
- h.log.Warn("Served "+msg.Method, "reqid", idForLog{msg.ID}, "t", time.Since(start), "err", resp.Error.Message)
+ ctx = append(ctx, "err", resp.Error.Message)
+ if resp.Error.Data != nil {
+ ctx = append(ctx, "errdata", resp.Error.Data)
+ }
+ h.log.Warn("Served "+msg.Method, ctx...)
} else {
- h.log.Debug("Served "+msg.Method, "reqid", idForLog{msg.ID}, "t", time.Since(start))
+ h.log.Debug("Served "+msg.Method, ctx...)
}
return resp
case msg.hasValidID():
@@ -327,8 +333,22 @@ func (h *handler) handleCall(cp *callProc, msg *jsonrpcMessage) *jsonrpcMessage
if err != nil {
return msg.errorResponse(&invalidParamsError{err.Error()})
}
-
- return h.runMethod(cp.ctx, msg, callb, args)
+ start := time.Now()
+ answer := h.runMethod(cp.ctx, msg, callb, args)
+
+ // Collect the statistics for RPC calls if metrics is enabled.
+ // We only care about pure rpc call. Filter out subscription.
+ if callb != h.unsubscribeCb {
+ rpcRequestGauge.Inc(1)
+ if answer.Error != nil {
+ failedReqeustGauge.Inc(1)
+ } else {
+ successfulRequestGauge.Inc(1)
+ }
+ rpcServingTimer.UpdateSince(start)
+ newRPCServingTimer(msg.Method, answer.Error == nil).UpdateSince(start)
+ }
+ return answer
}
// handleSubscribe processes *_subscribe method calls.
diff --git a/rpc/http.go b/rpc/http.go
index 2dffc5d..87a96e4 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -25,14 +25,10 @@ import (
"io"
"io/ioutil"
"mime"
- "net"
"net/http"
- "strings"
+ "net/url"
"sync"
"time"
-
- "github.com/ava-labs/go-ethereum/log"
- "github.com/rs/cors"
)
const (
@@ -45,31 +41,33 @@ var acceptedContentTypes = []string{contentType, "application/json-rpc", "applic
type httpConn struct {
client *http.Client
- req *http.Request
+ url string
closeOnce sync.Once
- closed chan interface{}
+ closeCh chan interface{}
+ mu sync.Mutex // protects headers
+ headers http.Header
}
// httpConn is treated specially by Client.
-func (hc *httpConn) Write(context.Context, interface{}) error {
- panic("Write called on httpConn")
+func (hc *httpConn) writeJSON(context.Context, interface{}) error {
+ panic("writeJSON called on httpConn")
}
-func (hc *httpConn) RemoteAddr() string {
- return hc.req.URL.String()
+func (hc *httpConn) remoteAddr() string {
+ return hc.url
}
-func (hc *httpConn) Read() ([]*jsonrpcMessage, bool, error) {
- <-hc.closed
+func (hc *httpConn) readBatch() ([]*jsonrpcMessage, bool, error) {
+ <-hc.closeCh
return nil, false, io.EOF
}
-func (hc *httpConn) Close() {
- hc.closeOnce.Do(func() { close(hc.closed) })
+func (hc *httpConn) close() {
+ hc.closeOnce.Do(func() { close(hc.closeCh) })
}
-func (hc *httpConn) Closed() <-chan interface{} {
- return hc.closed
+func (hc *httpConn) closed() <-chan interface{} {
+ return hc.closeCh
}
// HTTPTimeouts represents the configuration params for the HTTP RPC server.
@@ -107,16 +105,24 @@ var DefaultHTTPTimeouts = HTTPTimeouts{
// DialHTTPWithClient creates a new RPC client that connects to an RPC server over HTTP
// using the provided HTTP Client.
func DialHTTPWithClient(endpoint string, client *http.Client) (*Client, error) {
- req, err := http.NewRequest(http.MethodPost, endpoint, nil)
+ // Sanity check URL so we don't end up with a client that will fail every request.
+ _, err := url.Parse(endpoint)
if err != nil {
return nil, err
}
- req.Header.Set("Content-Type", contentType)
- req.Header.Set("Accept", contentType)
initctx := context.Background()
+ headers := make(http.Header, 2)
+ headers.Set("accept", contentType)
+ headers.Set("content-type", contentType)
return newClient(initctx, func(context.Context) (ServerCodec, error) {
- return &httpConn{client: client, req: req, closed: make(chan interface{})}, nil
+ hc := &httpConn{
+ client: client,
+ headers: headers,
+ url: endpoint,
+ closeCh: make(chan interface{}),
+ }
+ return hc, nil
})
}
@@ -136,7 +142,7 @@ func (c *Client) sendHTTP(ctx context.Context, op *requestOp, msg interface{}) e
if respBody != nil {
buf := new(bytes.Buffer)
if _, err2 := buf.ReadFrom(respBody); err2 == nil {
- return fmt.Errorf("%v %v", err, buf.String())
+ return fmt.Errorf("%v: %v", err, buf.String())
}
}
return err
@@ -171,10 +177,18 @@ func (hc *httpConn) doRequest(ctx context.Context, msg interface{}) (io.ReadClos
if err != nil {
return nil, err
}
- req := hc.req.WithContext(ctx)
- req.Body = ioutil.NopCloser(bytes.NewReader(body))
+ req, err := http.NewRequestWithContext(ctx, "POST", hc.url, ioutil.NopCloser(bytes.NewReader(body)))
+ if err != nil {
+ return nil, err
+ }
req.ContentLength = int64(len(body))
+ // set headers
+ hc.mu.Lock()
+ req.Header = hc.headers.Clone()
+ hc.mu.Unlock()
+
+ // do request
resp, err := hc.client.Do(req)
if err != nil {
return nil, err
@@ -195,7 +209,7 @@ type httpServerConn struct {
func newHTTPServerConn(r *http.Request, w http.ResponseWriter) ServerCodec {
body := io.LimitReader(r.Body, maxRequestContentLength)
conn := &httpServerConn{Reader: body, Writer: w, r: r}
- return NewJSONCodec(conn)
+ return NewCodec(conn)
}
// Close does nothing and always returns nil.
@@ -209,49 +223,19 @@ func (t *httpServerConn) RemoteAddr() string {
// SetWriteDeadline does nothing and always returns nil.
func (t *httpServerConn) SetWriteDeadline(time.Time) error { return nil }
-// NewHTTPServer creates a new HTTP RPC server around an API provider.
-//
-// Deprecated: Server implements http.Handler
-func NewHTTPServer(cors []string, vhosts []string, timeouts HTTPTimeouts, srv http.Handler) *http.Server {
- // Wrap the CORS-handler within a host-handler
- handler := newCorsHandler(srv, cors)
- handler = newVHostHandler(vhosts, handler)
- handler = newGzipHandler(handler)
-
- // Make sure timeout values are meaningful
- if timeouts.ReadTimeout < time.Second {
- log.Warn("Sanitizing invalid HTTP read timeout", "provided", timeouts.ReadTimeout, "updated", DefaultHTTPTimeouts.ReadTimeout)
- timeouts.ReadTimeout = DefaultHTTPTimeouts.ReadTimeout
- }
- if timeouts.WriteTimeout < time.Second {
- log.Warn("Sanitizing invalid HTTP write timeout", "provided", timeouts.WriteTimeout, "updated", DefaultHTTPTimeouts.WriteTimeout)
- timeouts.WriteTimeout = DefaultHTTPTimeouts.WriteTimeout
- }
- if timeouts.IdleTimeout < time.Second {
- log.Warn("Sanitizing invalid HTTP idle timeout", "provided", timeouts.IdleTimeout, "updated", DefaultHTTPTimeouts.IdleTimeout)
- timeouts.IdleTimeout = DefaultHTTPTimeouts.IdleTimeout
- }
- // Bundle and start the HTTP server
- return &http.Server{
- Handler: handler,
- ReadTimeout: timeouts.ReadTimeout,
- WriteTimeout: timeouts.WriteTimeout,
- IdleTimeout: timeouts.IdleTimeout,
- }
-}
-
// ServeHTTP serves JSON-RPC requests over HTTP.
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// Permit dumb empty requests for remote health-checks (AWS)
if r.Method == http.MethodGet && r.ContentLength == 0 && r.URL.RawQuery == "" {
+ w.WriteHeader(http.StatusOK)
return
}
if code, err := validateRequest(r); err != nil {
http.Error(w, err.Error(), code)
return
}
- // All checks passed, create a codec that reads direct from the request body
- // untilEOF and writes the response to w and order the server to process a
+ // All checks passed, create a codec that reads directly from the request body
+ // until EOF, writes the response to w, and orders the server to process a
// single request.
ctx := r.Context()
ctx = context.WithValue(ctx, "remote", r.RemoteAddr)
@@ -266,7 +250,7 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
w.Header().Set("content-type", contentType)
codec := newHTTPServerConn(r, w)
- defer codec.Close()
+ defer codec.close()
s.serveSingleRequest(ctx, codec)
}
@@ -296,64 +280,3 @@ func validateRequest(r *http.Request) (int, error) {
err := fmt.Errorf("invalid content type, only %s is supported", contentType)
return http.StatusUnsupportedMediaType, err
}
-
-func newCorsHandler(srv http.Handler, allowedOrigins []string) http.Handler {
- // disable CORS support if user has not specified a custom CORS configuration
- if len(allowedOrigins) == 0 {
- return srv
- }
- c := cors.New(cors.Options{
- AllowedOrigins: allowedOrigins,
- AllowedMethods: []string{http.MethodPost, http.MethodGet},
- MaxAge: 600,
- AllowedHeaders: []string{"*"},
- })
- return c.Handler(srv)
-}
-
-// virtualHostHandler is a handler which validates the Host-header of incoming requests.
-// The virtualHostHandler can prevent DNS rebinding attacks, which do not utilize CORS-headers,
-// since they do in-domain requests against the RPC api. Instead, we can see on the Host-header
-// which domain was used, and validate that against a whitelist.
-type virtualHostHandler struct {
- vhosts map[string]struct{}
- next http.Handler
-}
-
-// ServeHTTP serves JSON-RPC requests over HTTP, implements http.Handler
-func (h *virtualHostHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
- // if r.Host is not set, we can continue serving since a browser would set the Host header
- if r.Host == "" {
- h.next.ServeHTTP(w, r)
- return
- }
- host, _, err := net.SplitHostPort(r.Host)
- if err != nil {
- // Either invalid (too many colons) or no port specified
- host = r.Host
- }
- if ipAddr := net.ParseIP(host); ipAddr != nil {
- // It's an IP address, we can serve that
- h.next.ServeHTTP(w, r)
- return
-
- }
- // Not an ip address, but a hostname. Need to validate
- if _, exist := h.vhosts["*"]; exist {
- h.next.ServeHTTP(w, r)
- return
- }
- if _, exist := h.vhosts[host]; exist {
- h.next.ServeHTTP(w, r)
- return
- }
- http.Error(w, "invalid host specified", http.StatusForbidden)
-}
-
-func newVHostHandler(vhosts []string, next http.Handler) http.Handler {
- vhostMap := make(map[string]struct{})
- for _, allowedHost := range vhosts {
- vhostMap[strings.ToLower(allowedHost)] = struct{}{}
- }
- return &virtualHostHandler{vhostMap, next}
-}
diff --git a/rpc/json.go b/rpc/json.go
index 75c2210..1daee3d 100644
--- a/rpc/json.go
+++ b/rpc/json.go
@@ -115,6 +115,10 @@ func errorMessage(err error) *jsonrpcMessage {
if ok {
msg.Error.Code = ec.ErrorCode()
}
+ de, ok := err.(DataError)
+ if ok {
+ msg.Error.Data = de.ErrorData()
+ }
return msg
}
@@ -135,6 +139,10 @@ func (err *jsonError) ErrorCode() int {
return err.Code
}
+func (err *jsonError) ErrorData() interface{} {
+ return err.Data
+}
+
// Conn is a subset of the methods of net.Conn which are sufficient for ServerCodec.
type Conn interface {
io.ReadWriteCloser
@@ -153,66 +161,66 @@ type ConnRemoteAddr interface {
RemoteAddr() string
}
-// connWithRemoteAddr overrides the remote address of a connection.
-type connWithRemoteAddr struct {
- Conn
- addr string
-}
-
-func (c connWithRemoteAddr) RemoteAddr() string { return c.addr }
-
// jsonCodec reads and writes JSON-RPC messages to the underlying connection. It also has
// support for parsing arguments and serializing (result) objects.
type jsonCodec struct {
- remoteAddr string
- closer sync.Once // close closed channel once
- closed chan interface{} // closed on Close
- decode func(v interface{}) error // decoder to allow multiple transports
- encMu sync.Mutex // guards the encoder
- encode func(v interface{}) error // encoder to allow multiple transports
- conn deadlineCloser
-}
-
-func newCodec(conn deadlineCloser, encode, decode func(v interface{}) error) ServerCodec {
+ remote string
+ closer sync.Once // close closed channel once
+ closeCh chan interface{} // closed on Close
+ decode func(v interface{}) error // decoder to allow multiple transports
+ encMu sync.Mutex // guards the encoder
+ encode func(v interface{}) error // encoder to allow multiple transports
+ conn deadlineCloser
+}
+
+// NewFuncCodec creates a codec which uses the given functions to read and write. If conn
+// implements ConnRemoteAddr, log messages will use it to include the remote address of
+// the connection.
+func NewFuncCodec(conn deadlineCloser, encode, decode func(v interface{}) error) ServerCodec {
codec := &jsonCodec{
- closed: make(chan interface{}),
- encode: encode,
- decode: decode,
- conn: conn,
+ closeCh: make(chan interface{}),
+ encode: encode,
+ decode: decode,
+ conn: conn,
}
if ra, ok := conn.(ConnRemoteAddr); ok {
- codec.remoteAddr = ra.RemoteAddr()
+ codec.remote = ra.RemoteAddr()
}
return codec
}
-// NewJSONCodec creates a codec that reads from the given connection. If conn implements
-// ConnRemoteAddr, log messages will use it to include the remote address of the
-// connection.
-func NewJSONCodec(conn Conn) ServerCodec {
+// NewCodec creates a codec on the given connection. If conn implements ConnRemoteAddr, log
+// messages will use it to include the remote address of the connection.
+func NewCodec(conn Conn) ServerCodec {
enc := json.NewEncoder(conn)
dec := json.NewDecoder(conn)
dec.UseNumber()
- return newCodec(conn, enc.Encode, dec.Decode)
+ return NewFuncCodec(conn, enc.Encode, dec.Decode)
}
-func (c *jsonCodec) RemoteAddr() string {
- return c.remoteAddr
+func (c *jsonCodec) remoteAddr() string {
+ return c.remote
}
-func (c *jsonCodec) Read() (msg []*jsonrpcMessage, batch bool, err error) {
+func (c *jsonCodec) readBatch() (messages []*jsonrpcMessage, batch bool, err error) {
// Decode the next JSON object in the input stream.
// This verifies basic syntax, etc.
var rawmsg json.RawMessage
if err := c.decode(&rawmsg); err != nil {
return nil, false, err
}
- msg, batch = parseMessage(rawmsg)
- return msg, batch, nil
+ messages, batch = parseMessage(rawmsg)
+ for i, msg := range messages {
+ if msg == nil {
+ // Message is JSON 'null'. Replace with zero value so it
+ // will be treated like any other invalid message.
+ messages[i] = new(jsonrpcMessage)
+ }
+ }
+ return messages, batch, nil
}
-// Write sends a message to client.
-func (c *jsonCodec) Write(ctx context.Context, v interface{}) error {
+func (c *jsonCodec) writeJSON(ctx context.Context, v interface{}) error {
c.encMu.Lock()
defer c.encMu.Unlock()
@@ -224,17 +232,16 @@ func (c *jsonCodec) Write(ctx context.Context, v interface{}) error {
return c.encode(v)
}
-// Close the underlying connection
-func (c *jsonCodec) Close() {
+func (c *jsonCodec) close() {
c.closer.Do(func() {
- close(c.closed)
+ close(c.closeCh)
c.conn.Close()
})
}
// Closed returns a channel which will be closed when Close is called
-func (c *jsonCodec) Closed() <-chan interface{} {
- return c.closed
+func (c *jsonCodec) closed() <-chan interface{} {
+ return c.closeCh
}
// parseMessage parses raw bytes as a (batch of) JSON-RPC message(s). There are no error
diff --git a/core/vm/int_pool_verifier_empty.go b/rpc/metrics.go
index a5f1dc0..7fb6fc0 100644
--- a/core/vm/int_pool_verifier_empty.go
+++ b/rpc/metrics.go
@@ -1,4 +1,4 @@
-// Copyright 2017 The go-ethereum Authors
+// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
@@ -14,10 +14,26 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-// +build !VERIFY_EVM_INTEGER_POOL
+package rpc
-package vm
+import (
+ "fmt"
-const verifyPool = false
+ "github.com/ethereum/go-ethereum/metrics"
+)
-func verifyIntegerPool(ip *intPool) {}
+var (
+ rpcRequestGauge = metrics.NewRegisteredGauge("rpc/requests", nil)
+ successfulRequestGauge = metrics.NewRegisteredGauge("rpc/success", nil)
+ failedReqeustGauge = metrics.NewRegisteredGauge("rpc/failure", nil)
+ rpcServingTimer = metrics.NewRegisteredTimer("rpc/duration/all", nil)
+)
+
+func newRPCServingTimer(method string, valid bool) metrics.Timer {
+ flag := "success"
+ if !valid {
+ flag = "failure"
+ }
+ m := fmt.Sprintf("rpc/duration/%s/%s", method, flag)
+ return metrics.GetOrRegisterTimer(m, nil)
+}
diff --git a/rpc/server.go b/rpc/server.go
index bf5d93e..64e078a 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -22,7 +22,7 @@ import (
"sync/atomic"
mapset "github.com/deckarep/golang-set"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
const MetadataApi = "rpc"
@@ -36,7 +36,7 @@ const (
// OptionMethodInvocation is an indication that the codec supports RPC method calls
OptionMethodInvocation CodecOption = 1 << iota
- // OptionSubscriptions is an indication that the codec suports RPC notifications
+ // OptionSubscriptions is an indication that the codec supports RPC notifications
OptionSubscriptions = 1 << iota // support pub sub
)
@@ -72,7 +72,7 @@ func (s *Server) RegisterName(name string, receiver interface{}) error {
//
// Note that codec options are no longer supported.
func (s *Server) ServeCodec(codec ServerCodec, options CodecOption) {
- defer codec.Close()
+ defer codec.close()
// Don't serve if server is stopped.
if atomic.LoadInt32(&s.run) == 0 {
@@ -84,7 +84,7 @@ func (s *Server) ServeCodec(codec ServerCodec, options CodecOption) {
defer s.codecs.Remove(codec)
c := initClient(codec, s.idgen, &s.services)
- <-codec.Closed()
+ <-codec.closed()
c.Close()
}
@@ -101,10 +101,10 @@ func (s *Server) serveSingleRequest(ctx context.Context, codec ServerCodec) {
h.allowSubscribe = false
defer h.close(io.EOF, nil)
- reqs, batch, err := codec.Read()
+ reqs, batch, err := codec.readBatch()
if err != nil {
if err != io.EOF {
- codec.Write(ctx, errorMessage(&invalidMessageError{"parse error"}))
+ codec.writeJSON(ctx, errorMessage(&invalidMessageError{"parse error"}))
}
return
}
@@ -122,7 +122,7 @@ func (s *Server) Stop() {
if atomic.CompareAndSwapInt32(&s.run, 1, 0) {
log.Debug("RPC server shutting down")
s.codecs.Each(func(c interface{}) bool {
- c.(ServerCodec).Close()
+ c.(ServerCodec).close()
return true
})
}
diff --git a/rpc/service.go b/rpc/service.go
index ead6fb6..bef891e 100644
--- a/rpc/service.go
+++ b/rpc/service.go
@@ -25,9 +25,8 @@ import (
"strings"
"sync"
"unicode"
- "unicode/utf8"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
)
var (
@@ -139,16 +138,14 @@ func newCallback(receiver, fn reflect.Value) *callback {
c := &callback{fn: fn, rcvr: receiver, errPos: -1, isSubscribe: isPubSub(fntype)}
// Determine parameter types. They must all be exported or builtin types.
c.makeArgTypes()
- if !allExportedOrBuiltin(c.argTypes) {
- return nil
- }
+
// Verify return types. The function must return at most one error
// and/or one other non-error value.
outs := make([]reflect.Type, fntype.NumOut())
for i := 0; i < fntype.NumOut(); i++ {
outs[i] = fntype.Out(i)
}
- if len(outs) > 2 || !allExportedOrBuiltin(outs) {
+ if len(outs) > 2 {
return nil
}
// If an error is returned, it must be the last returned value.
@@ -218,27 +215,6 @@ func (c *callback) call(ctx context.Context, method string, args []reflect.Value
return results[0].Interface(), nil
}
-// Is this an exported - upper case - name?
-func isExported(name string) bool {
- rune, _ := utf8.DecodeRuneInString(name)
- return unicode.IsUpper(rune)
-}
-
-// Are all those types exported or built-in?
-func allExportedOrBuiltin(types []reflect.Type) bool {
- for _, typ := range types {
- for typ.Kind() == reflect.Ptr {
- typ = typ.Elem()
- }
- // PkgPath will be non-empty even for an exported type,
- // so we need to check the type name as well.
- if !isExported(typ.Name()) && typ.PkgPath() != "" {
- return false
- }
- }
- return true
-}
-
// Is t context.Context or *context.Context?
func isContextType(t reflect.Type) bool {
for t.Kind() == reflect.Ptr {
diff --git a/rpc/subscription.go b/rpc/subscription.go
index c1e869b..233215d 100644
--- a/rpc/subscription.go
+++ b/rpc/subscription.go
@@ -17,7 +17,6 @@
package rpc
import (
- "bufio"
"container/list"
"context"
crand "crypto/rand"
@@ -51,10 +50,14 @@ func NewID() ID {
// randomIDGenerator returns a function generates a random IDs.
func randomIDGenerator() func() ID {
- seed, err := binary.ReadVarint(bufio.NewReader(crand.Reader))
- if err != nil {
+ var buf = make([]byte, 8)
+ var seed int64
+ if _, err := crand.Read(buf); err == nil {
+ seed = int64(binary.BigEndian.Uint64(buf))
+ } else {
seed = int64(time.Now().Nanosecond())
}
+
var (
mu sync.Mutex
rng = rand.New(rand.NewSource(seed))
@@ -141,7 +144,7 @@ func (n *Notifier) Notify(id ID, data interface{}) error {
// Closed returns a channel that is closed when the RPC connection is closed.
// Deprecated: use subscription error channel
func (n *Notifier) Closed() <-chan interface{} {
- return n.h.conn.Closed()
+ return n.h.conn.closed()
}
// takeSubscription returns the subscription (if one has been created). No subscription can
@@ -153,7 +156,7 @@ func (n *Notifier) takeSubscription() *Subscription {
return n.sub
}
-// acticate is called after the subscription ID was sent to client. Notifications are
+// activate is called after the subscription ID was sent to client. Notifications are
// buffered before activation. This prevents notifications being sent to the client before
// the subscription ID is sent to the client.
func (n *Notifier) activate() error {
@@ -172,14 +175,14 @@ func (n *Notifier) activate() error {
func (n *Notifier) send(sub *Subscription, data json.RawMessage) error {
params, _ := json.Marshal(&subscriptionResult{ID: string(sub.ID), Result: data})
ctx := context.Background()
- return n.h.conn.Write(ctx, &jsonrpcMessage{
+ return n.h.conn.writeJSON(ctx, &jsonrpcMessage{
Version: vsn,
Method: n.namespace + notificationMethodSuffix,
Params: params,
})
}
-// A Subscription is created by a notifier and tight to that notifier. The client can use
+// A Subscription is created by a notifier and tied to that notifier. The client can use
// this subscription to wait for an unsubscribe request for the client, see Err().
type Subscription struct {
ID ID
@@ -241,11 +244,11 @@ func (sub *ClientSubscription) Err() <-chan error {
// Unsubscribe unsubscribes the notification and closes the error channel.
// It can safely be called more than once.
func (sub *ClientSubscription) Unsubscribe() {
- sub.quitWithError(nil, true)
+ sub.quitWithError(true, nil)
sub.errOnce.Do(func() { close(sub.err) })
}
-func (sub *ClientSubscription) quitWithError(err error, unsubscribeServer bool) {
+func (sub *ClientSubscription) quitWithError(unsubscribeServer bool, err error) {
sub.quitOnce.Do(func() {
// The dispatch loop won't be able to execute the unsubscribe call
// if it is blocked on deliver. Close sub.quit first because it
@@ -276,7 +279,7 @@ func (sub *ClientSubscription) start() {
sub.quitWithError(sub.forward())
}
-func (sub *ClientSubscription) forward() (err error, unsubscribeServer bool) {
+func (sub *ClientSubscription) forward() (unsubscribeServer bool, err error) {
cases := []reflect.SelectCase{
{Dir: reflect.SelectRecv, Chan: reflect.ValueOf(sub.quit)},
{Dir: reflect.SelectRecv, Chan: reflect.ValueOf(sub.in)},
@@ -298,14 +301,14 @@ func (sub *ClientSubscription) forward() (err error, unsubscribeServer bool) {
switch chosen {
case 0: // <-sub.quit
- return nil, false
+ return false, nil
case 1: // <-sub.in
val, err := sub.unmarshal(recv.Interface().(json.RawMessage))
if err != nil {
- return err, true
+ return true, err
}
if buffer.Len() == maxClientSubscriptionBuffer {
- return ErrSubscriptionQueueOverflow, true
+ return true, ErrSubscriptionQueueOverflow
}
buffer.PushBack(val)
case 2: // sub.channel<-
diff --git a/rpc/types.go b/rpc/types.go
index 703f4a7..6575203 100644
--- a/rpc/types.go
+++ b/rpc/types.go
@@ -18,11 +18,13 @@ package rpc
import (
"context"
+ "encoding/json"
"fmt"
"math"
"strings"
- "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/common/hexutil"
)
// API describes the set of methods offered over the RPC interface
@@ -39,23 +41,29 @@ type Error interface {
ErrorCode() int // returns the code
}
+// A DataError contains some data in addition to the error message.
+type DataError interface {
+ Error() string // returns the message
+ ErrorData() interface{} // returns the error data
+}
+
// ServerCodec implements reading, parsing and writing RPC messages for the server side of
// a RPC session. Implementations must be go-routine safe since the codec can be called in
// multiple go-routines concurrently.
type ServerCodec interface {
- Read() (msgs []*jsonrpcMessage, isBatch bool, err error)
- Close()
+ readBatch() (msgs []*jsonrpcMessage, isBatch bool, err error)
+ close()
jsonWriter
}
// jsonWriter can write JSON messages to its underlying connection.
// Implementations must be safe for concurrent use.
type jsonWriter interface {
- Write(context.Context, interface{}) error
+ writeJSON(context.Context, interface{}) error
// Closed returns a channel which is closed when the connection is closed.
- Closed() <-chan interface{}
+ closed() <-chan interface{}
// RemoteAddr returns the peer address of the connection.
- RemoteAddr() string
+ remoteAddr() string
}
type BlockNumber int64
@@ -100,9 +108,8 @@ func (bn *BlockNumber) UnmarshalJSON(data []byte) error {
return err
}
if blckNum > math.MaxInt64 {
- return fmt.Errorf("Blocknumber too high")
+ return fmt.Errorf("block number larger than int64")
}
-
*bn = BlockNumber(blckNum)
return nil
}
@@ -110,3 +117,94 @@ func (bn *BlockNumber) UnmarshalJSON(data []byte) error {
func (bn BlockNumber) Int64() int64 {
return (int64)(bn)
}
+
+type BlockNumberOrHash struct {
+ BlockNumber *BlockNumber `json:"blockNumber,omitempty"`
+ BlockHash *common.Hash `json:"blockHash,omitempty"`
+ RequireCanonical bool `json:"requireCanonical,omitempty"`
+}
+
+func (bnh *BlockNumberOrHash) UnmarshalJSON(data []byte) error {
+ type erased BlockNumberOrHash
+ e := erased{}
+ err := json.Unmarshal(data, &e)
+ if err == nil {
+ if e.BlockNumber != nil && e.BlockHash != nil {
+ return fmt.Errorf("cannot specify both BlockHash and BlockNumber, choose one or the other")
+ }
+ bnh.BlockNumber = e.BlockNumber
+ bnh.BlockHash = e.BlockHash
+ bnh.RequireCanonical = e.RequireCanonical
+ return nil
+ }
+ var input string
+ err = json.Unmarshal(data, &input)
+ if err != nil {
+ return err
+ }
+ switch input {
+ case "earliest":
+ bn := EarliestBlockNumber
+ bnh.BlockNumber = &bn
+ return nil
+ case "latest":
+ bn := LatestBlockNumber
+ bnh.BlockNumber = &bn
+ return nil
+ case "pending":
+ bn := PendingBlockNumber
+ bnh.BlockNumber = &bn
+ return nil
+ default:
+ if len(input) == 66 {
+ hash := common.Hash{}
+ err := hash.UnmarshalText([]byte(input))
+ if err != nil {
+ return err
+ }
+ bnh.BlockHash = &hash
+ return nil
+ } else {
+ blckNum, err := hexutil.DecodeUint64(input)
+ if err != nil {
+ return err
+ }
+ if blckNum > math.MaxInt64 {
+ return fmt.Errorf("blocknumber too high")
+ }
+ bn := BlockNumber(blckNum)
+ bnh.BlockNumber = &bn
+ return nil
+ }
+ }
+}
+
+func (bnh *BlockNumberOrHash) Number() (BlockNumber, bool) {
+ if bnh.BlockNumber != nil {
+ return *bnh.BlockNumber, true
+ }
+ return BlockNumber(0), false
+}
+
+func (bnh *BlockNumberOrHash) Hash() (common.Hash, bool) {
+ if bnh.BlockHash != nil {
+ return *bnh.BlockHash, true
+ }
+ return common.Hash{}, false
+}
+
+func BlockNumberOrHashWithNumber(blockNr BlockNumber) BlockNumberOrHash {
+ return BlockNumberOrHash{
+ BlockNumber: &blockNr,
+ BlockHash: nil,
+ RequireCanonical: false,
+ }
+}
+
+func BlockNumberOrHashWithHash(hash common.Hash, canonical bool) BlockNumberOrHash {
+ return BlockNumberOrHash{
+ BlockNumber: nil,
+ BlockHash: &hash,
+ RequireCanonical: canonical,
+ }
+}
diff --git a/rpc/websocket.go b/rpc/websocket.go
index d87e8a5..a716383 100644
--- a/rpc/websocket.go
+++ b/rpc/websocket.go
@@ -25,26 +25,22 @@ import (
"os"
"strings"
"sync"
+ "time"
mapset "github.com/deckarep/golang-set"
- "github.com/ava-labs/go-ethereum/log"
+ "github.com/ethereum/go-ethereum/log"
"github.com/gorilla/websocket"
)
const (
- wsReadBuffer = 1024
- wsWriteBuffer = 1024
+ wsReadBuffer = 1024
+ wsWriteBuffer = 1024
+ wsPingInterval = 60 * time.Second
+ wsPingWriteTimeout = 5 * time.Second
)
var wsBufferPool = new(sync.Pool)
-// NewWSServer creates a new websocket RPC server around an API provider.
-//
-// Deprecated: use Server.WebsocketHandler
-func NewWSServer(allowedOrigins []string, srv *Server) *http.Server {
- return &http.Server{Handler: srv.WebsocketHandler(allowedOrigins)}
-}
-
// WebsocketHandler returns a handler that serves JSON-RPC to WebSocket connections.
//
// allowedOrigins should be a comma-separated list of allowed origin URLs.
@@ -63,7 +59,7 @@ func (s *Server) WebsocketHandler(allowedOrigins []string) http.Handler {
return
}
codec := newWebsocketCodec(conn)
- s.ServeCodec(codec, OptionMethodInvocation|OptionSubscriptions)
+ s.ServeCodec(codec, 0)
})
}
@@ -124,21 +120,13 @@ func (e wsHandshakeError) Error() string {
return s
}
-// DialWebsocket creates a new RPC client that communicates with a JSON-RPC server
-// that is listening on the given endpoint.
-//
-// The context is used for the initial connection establishment. It does not
-// affect subsequent interactions with the client.
-func DialWebsocket(ctx context.Context, endpoint, origin string) (*Client, error) {
+// DialWebsocketWithDialer creates a new RPC client that communicates with a JSON-RPC server
+// that is listening on the given endpoint using the provided dialer.
+func DialWebsocketWithDialer(ctx context.Context, endpoint, origin string, dialer websocket.Dialer) (*Client, error) {
endpoint, header, err := wsClientHeaders(endpoint, origin)
if err != nil {
return nil, err
}
- dialer := websocket.Dialer{
- ReadBufferSize: wsReadBuffer,
- WriteBufferSize: wsWriteBuffer,
- WriteBufferPool: wsBufferPool,
- }
return newClient(ctx, func(ctx context.Context) (ServerCodec, error) {
conn, resp, err := dialer.DialContext(ctx, endpoint, header)
if err != nil {
@@ -152,6 +140,20 @@ func DialWebsocket(ctx context.Context, endpoint, origin string) (*Client, error
})
}
+// DialWebsocket creates a new RPC client that communicates with a JSON-RPC server
+// that is listening on the given endpoint.
+//
+// The context is used for the initial connection establishment. It does not
+// affect subsequent interactions with the client.
+func DialWebsocket(ctx context.Context, endpoint, origin string) (*Client, error) {
+ dialer := websocket.Dialer{
+ ReadBufferSize: wsReadBuffer,
+ WriteBufferSize: wsWriteBuffer,
+ WriteBufferPool: wsBufferPool,
+ }
+ return DialWebsocketWithDialer(ctx, endpoint, origin, dialer)
+}
+
func wsClientHeaders(endpoint, origin string) (string, http.Header, error) {
endpointURL, err := url.Parse(endpoint)
if err != nil {
@@ -169,7 +171,64 @@ func wsClientHeaders(endpoint, origin string) (string, http.Header, error) {
return endpointURL.String(), header, nil
}
+type websocketCodec struct {
+ *jsonCodec
+ conn *websocket.Conn
+
+ wg sync.WaitGroup
+ pingReset chan struct{}
+}
+
func newWebsocketCodec(conn *websocket.Conn) ServerCodec {
conn.SetReadLimit(maxRequestContentLength)
- return newCodec(conn, conn.WriteJSON, conn.ReadJSON)
+ wc := &websocketCodec{
+ jsonCodec: NewFuncCodec(conn, conn.WriteJSON, conn.ReadJSON).(*jsonCodec),
+ conn: conn,
+ pingReset: make(chan struct{}, 1),
+ }
+ wc.wg.Add(1)
+ go wc.pingLoop()
+ return wc
+}
+
+func (wc *websocketCodec) close() {
+ wc.jsonCodec.close()
+ wc.wg.Wait()
+}
+
+func (wc *websocketCodec) writeJSON(ctx context.Context, v interface{}) error {
+ err := wc.jsonCodec.writeJSON(ctx, v)
+ if err == nil {
+ // Notify pingLoop to delay the next idle ping.
+ select {
+ case wc.pingReset <- struct{}{}:
+ default:
+ }
+ }
+ return err
+}
+
+// pingLoop sends periodic ping frames when the connection is idle.
+func (wc *websocketCodec) pingLoop() {
+ var timer = time.NewTimer(wsPingInterval)
+ defer wc.wg.Done()
+ defer timer.Stop()
+
+ for {
+ select {
+ case <-wc.closed():
+ return
+ case <-wc.pingReset:
+ if !timer.Stop() {
+ <-timer.C
+ }
+ timer.Reset(wsPingInterval)
+ case <-timer.C:
+ wc.jsonCodec.encMu.Lock()
+ wc.conn.SetWriteDeadline(time.Now().Add(wsPingWriteTimeout))
+ wc.conn.WriteMessage(websocket.PingMessage, nil)
+ wc.jsonCodec.encMu.Unlock()
+ timer.Reset(wsPingInterval)
+ }
+ }
}