diff options
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(¤tBlock); 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 = 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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 +} @@ -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 := ÐChain{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 { @@ -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 ðapi.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": "0x730000000000000000000000000000000000000000301460806040526004361061004b5760003560e01c80631e01043914610050578063abb24ba014610092578063b6510bb3146100a9575b600080fd5b61007c6004803603602081101561006657600080fd5b8101908080359060200190929190505050610118565b6040518082815260200191505060405180910390f35b81801561009e57600080fd5b506100a761013b565b005b8180156100b557600080fd5b50610116600480360360808110156100cc57600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190803590602001909291908035906020019092919050505061013e565b005b60003073ffffffffffffffffffffffffffffffffffffffff1682905d9050919050565b5c565b8373ffffffffffffffffffffffffffffffffffffffff1681836108fc8690811502906040516000604051808303818888878c8af69550505050505015801561018a573d6000803e3d6000fd5b505050505056fea2646970667358221220ed2100d6623a884d196eceefabe5e03da4309a2562bb25262f3874f1acb31cd764736f6c634300060a0033", "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" ) @@ -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 @@ -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 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v1.0.1-0.20181017060643-dbb3b84ba2ef/go.mod h1:sJ5fKU0s6JVwZjjcUEX2zFOnvq0ASQ2K9Zr6cf67kNs= github.com/tyler-smith/go-bip39 v1.0.2 h1:+t3w+KwLXO6154GNJY+qUtIxLTmFjfUmpguQT1OlOT8= github.com/tyler-smith/go-bip39 v1.0.2/go.mod h1:sJ5fKU0s6JVwZjjcUEX2zFOnvq0ASQ2K9Zr6cf67kNs= +github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0= github.com/wsddn/go-ecdh v0.0.0-20161211032359-48726bab9208 h1:1cngl9mPEoITZG8s8cVcUy5CeIBYhEESkOB7m6Gmkrk= github.com/wsddn/go-ecdh v0.0.0-20161211032359-48726bab9208/go.mod h1:IotVbo4F+mw0EzQ08zFqg7pK3FebNXpaMsRy2RT+Ees= github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I= @@ -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= golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= 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 @@ -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) + } + } } |