From d235e2c6a5788ec4a6cff15a16f56b38a3876a0d Mon Sep 17 00:00:00 2001 From: Determinant Date: Sun, 28 Jun 2020 14:47:41 -0400 Subject: ... --- core/state/database.go | 163 ++++++++++ core/state/dump.go | 158 +++++++++ core/state/iterator.go | 154 +++++++++ core/state/journal.go | 245 ++++++++++++++ core/state/state_object.go | 499 ++++++++++++++++++++++++++++ core/state/statedb.go | 793 +++++++++++++++++++++++++++++++++++++++++++++ core/state/sync.go | 42 +++ 7 files changed, 2054 insertions(+) create mode 100644 core/state/database.go create mode 100644 core/state/dump.go create mode 100644 core/state/iterator.go create mode 100644 core/state/journal.go create mode 100644 core/state/state_object.go create mode 100644 core/state/statedb.go create mode 100644 core/state/sync.go (limited to 'core/state') diff --git a/core/state/database.go b/core/state/database.go new file mode 100644 index 0000000..8c641c3 --- /dev/null +++ b/core/state/database.go @@ -0,0 +1,163 @@ +// 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 . + +package state + +import ( + "fmt" + + "github.com/ava-labs/go-ethereum/common" + "github.com/ava-labs/go-ethereum/ethdb" + "github.com/ava-labs/go-ethereum/trie" + lru "github.com/hashicorp/golang-lru" +) + +const ( + // Number of codehash->size associations to keep. + codeSizeCacheSize = 100000 +) + +// Database wraps access to tries and contract code. +type Database interface { + // OpenTrie opens the main account trie. + OpenTrie(root common.Hash) (Trie, error) + + // OpenStorageTrie opens the storage trie of an account. + OpenStorageTrie(addrHash, root common.Hash) (Trie, error) + + // CopyTrie returns an independent copy of the given trie. + CopyTrie(Trie) Trie + + // ContractCode retrieves a particular contract's code. + ContractCode(addrHash, codeHash common.Hash) ([]byte, error) + + // ContractCodeSize retrieves a particular contracts code's size. + ContractCodeSize(addrHash, codeHash common.Hash) (int, error) + + // TrieDB retrieves the low level trie database used for data storage. + TrieDB() *trie.Database +} + +// Trie is a Ethereum Merkle Patricia trie. +type Trie interface { + // GetKey returns the sha3 preimage of a hashed key that was previously used + // to store a value. + // + // TODO(fjl): remove this when SecureTrie is removed + GetKey([]byte) []byte + + // TryGet returns the value for key stored in the trie. The value bytes must + // not be modified by the caller. If a node was not found in the database, a + // trie.MissingNodeError is returned. + TryGet(key []byte) ([]byte, error) + + // TryUpdate associates key with value in the trie. If value has length zero, any + // existing value is deleted from the trie. The value bytes must not be modified + // by the caller while they are stored in the trie. If a node was not found in the + // database, a trie.MissingNodeError is returned. + TryUpdate(key, value []byte) error + + // TryDelete removes any existing value for key from the trie. If a node was not + // found in the database, a trie.MissingNodeError is returned. + TryDelete(key []byte) error + + // Hash returns the root hash of the trie. It does not write to the database and + // can be used even if the trie doesn't have one. + Hash() common.Hash + + // Commit writes all nodes to the trie's memory database, tracking the internal + // and external (for account tries) references. + Commit(onleaf trie.LeafCallback) (common.Hash, error) + + // NodeIterator returns an iterator that returns nodes of the trie. Iteration + // starts at the key after the given start key. + NodeIterator(startKey []byte) trie.NodeIterator + + // Prove constructs a Merkle proof for key. The result contains all encoded nodes + // on the path to the value at key. The value itself is also included in the last + // node and can be retrieved by verifying the proof. + // + // If the trie does not contain a value for key, the returned proof contains all + // nodes of the longest existing prefix of the key (at least the root), ending + // with the node that proves the absence of the key. + Prove(key []byte, fromLevel uint, proofDb ethdb.KeyValueWriter) error +} + +// NewDatabase creates a backing store for state. The returned database is safe for +// 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) +} + +// 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 { + csc, _ := lru.New(codeSizeCacheSize) + return &cachingDB{ + db: trie.NewDatabaseWithCache(db, cache), + codeSizeCache: csc, + } +} + +type cachingDB struct { + db *trie.Database + codeSizeCache *lru.Cache +} + +// OpenTrie opens the main account trie at a specific root hash. +func (db *cachingDB) OpenTrie(root common.Hash) (Trie, error) { + return trie.NewSecure(root, db.db) +} + +// OpenStorageTrie opens the storage trie of an account. +func (db *cachingDB) OpenStorageTrie(addrHash, root common.Hash) (Trie, error) { + return trie.NewSecure(root, db.db) +} + +// CopyTrie returns an independent copy of the given trie. +func (db *cachingDB) CopyTrie(t Trie) Trie { + switch t := t.(type) { + case *trie.SecureTrie: + return t.Copy() + default: + panic(fmt.Errorf("unknown trie type %T", t)) + } +} + +// 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 { + db.codeSizeCache.Add(codeHash, len(code)) + } + return code, err +} + +// ContractCodeSize retrieves a particular contracts code's size. +func (db *cachingDB) ContractCodeSize(addrHash, codeHash common.Hash) (int, error) { + if cached, ok := db.codeSizeCache.Get(codeHash); ok { + return cached.(int), nil + } + code, err := db.ContractCode(addrHash, codeHash) + return len(code), err +} + +// TrieDB retrieves any intermediate trie-node caching layer. +func (db *cachingDB) TrieDB() *trie.Database { + return db.db +} diff --git a/core/state/dump.go b/core/state/dump.go new file mode 100644 index 0000000..91c7d08 --- /dev/null +++ b/core/state/dump.go @@ -0,0 +1,158 @@ +// Copyright 2014 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 . + +package state + +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" +) + +// 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 + +} + +// 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 + +// Collector interface which the state trie calls during iteration +type collector interface { + onRoot(common.Hash) + onAccount(common.Address, DumpAccount) +} + +func (self *Dump) onRoot(root common.Hash) { + self.Root = fmt.Sprintf("%x", root) +} + +func (self *Dump) onAccount(addr common.Address, account DumpAccount) { + self.Accounts[addr] = account +} + +func (self 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, + } + if addr != (common.Address{}) { + dumpAccount.Address = &addr + } + (*json.Encoder)(&self).Encode(dumpAccount) +} +func (self iterativeDump) onRoot(root common.Hash) { + (*json.Encoder)(&self).Encode(struct { + Root common.Hash `json:"root"` + }{root}) +} + +func (self *StateDB) dump(c collector, excludeCode, excludeStorage, excludeMissingPreimages bool) { + emptyAddress := (common.Address{}) + missingPreimages := 0 + c.onRoot(self.trie.Hash()) + it := trie.NewIterator(self.trie.NodeIterator(nil)) + 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), + } + if emptyAddress == addr { + // Preimage missing + missingPreimages++ + if excludeMissingPreimages { + continue + } + account.SecureKey = it.Key + } + if !excludeCode { + account.Code = common.Bytes2Hex(obj.Code(self.db)) + } + if !excludeStorage { + account.Storage = make(map[common.Hash]string) + storageIt := trie.NewIterator(obj.getTrie(self.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) + } + } + c.onAccount(addr, account) + } + if missingPreimages > 0 { + log.Warn("Dump incomplete due to missing preimages", "missing", missingPreimages) + } +} + +// RawDump returns the entire state an a single large object +func (self *StateDB) RawDump(excludeCode, excludeStorage, excludeMissingPreimages bool) Dump { + dump := &Dump{ + Accounts: make(map[common.Address]DumpAccount), + } + self.dump(dump, excludeCode, excludeStorage, excludeMissingPreimages) + 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) + json, err := json.MarshalIndent(dump, "", " ") + if err != nil { + 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) +} diff --git a/core/state/iterator.go b/core/state/iterator.go new file mode 100644 index 0000000..c6d2a48 --- /dev/null +++ b/core/state/iterator.go @@ -0,0 +1,154 @@ +// 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 . + +package state + +import ( + "bytes" + "fmt" + + "github.com/ava-labs/go-ethereum/common" + "github.com/ava-labs/go-ethereum/rlp" + "github.com/ava-labs/go-ethereum/trie" +) + +// NodeIterator is an iterator to traverse the entire state trie post-order, +// including all of the contract code and contract state tries. +type NodeIterator struct { + state *StateDB // State being iterated + + stateIt trie.NodeIterator // Primary iterator for the global state trie + dataIt trie.NodeIterator // Secondary iterator for the data trie of a contract + + accountHash common.Hash // Hash of the node containing the account + codeHash common.Hash // Hash of the contract source code + code []byte // Source code associated with a contract + + Hash common.Hash // Hash of the current entry being iterated (nil if not standalone) + Parent common.Hash // Hash of the first full ancestor node (nil if current is the root) + + Error error // Failure set in case of an internal error in the iterator +} + +// NewNodeIterator creates an post-order state node iterator. +func NewNodeIterator(state *StateDB) *NodeIterator { + return &NodeIterator{ + state: state, + } +} + +// Next moves the iterator to the next node, returning whether there are any +// further nodes. In case of an internal error this method returns false and +// sets the Error field to the encountered failure. +func (it *NodeIterator) Next() bool { + // If the iterator failed previously, don't do anything + if it.Error != nil { + return false + } + // Otherwise step forward with the iterator and report any errors + if err := it.step(); err != nil { + it.Error = err + return false + } + return it.retrieve() +} + +// step moves the iterator to the next entry of the state trie. +func (it *NodeIterator) step() error { + // Abort if we reached the end of the iteration + if it.state == nil { + return nil + } + // Initialize the iterator if we've just started + if it.stateIt == nil { + it.stateIt = it.state.trie.NodeIterator(nil) + } + // If we had data nodes previously, we surely have at least state nodes + if it.dataIt != nil { + if cont := it.dataIt.Next(true); !cont { + if it.dataIt.Error() != nil { + return it.dataIt.Error() + } + it.dataIt = nil + } + return nil + } + // If we had source code previously, discard that + if it.code != nil { + it.code = nil + return nil + } + // Step to the next state trie node, terminating if we're out of nodes + if cont := it.stateIt.Next(true); !cont { + if it.stateIt.Error() != nil { + return it.stateIt.Error() + } + it.state, it.stateIt = nil, nil + return nil + } + // If the state trie node is an internal entry, leave as is + if !it.stateIt.Leaf() { + return nil + } + // Otherwise we've reached an account node, initiate data iteration + var account Account + if err := rlp.Decode(bytes.NewReader(it.stateIt.LeafBlob()), &account); err != nil { + return err + } + dataTrie, err := it.state.db.OpenStorageTrie(common.BytesToHash(it.stateIt.LeafKey()), account.Root) + if err != nil { + return err + } + it.dataIt = dataTrie.NodeIterator(nil) + if !it.dataIt.Next(true) { + it.dataIt = nil + } + if !bytes.Equal(account.CodeHash, emptyCodeHash) { + it.codeHash = common.BytesToHash(account.CodeHash) + addrHash := common.BytesToHash(it.stateIt.LeafKey()) + it.code, err = it.state.db.ContractCode(addrHash, common.BytesToHash(account.CodeHash)) + if err != nil { + return fmt.Errorf("code %x: %v", account.CodeHash, err) + } + } + it.accountHash = it.stateIt.Parent() + return nil +} + +// retrieve pulls and caches the current state entry the iterator is traversing. +// The method returns whether there are any more data left for inspection. +func (it *NodeIterator) retrieve() bool { + // Clear out any previously set values + it.Hash = common.Hash{} + + // If the iteration's done, return no available data + if it.state == nil { + return false + } + // Otherwise retrieve the current entry + switch { + case it.dataIt != nil: + it.Hash, it.Parent = it.dataIt.Hash(), it.dataIt.Parent() + if it.Parent == (common.Hash{}) { + it.Parent = it.accountHash + } + case it.code != nil: + it.Hash, it.Parent = it.codeHash, it.accountHash + case it.stateIt != nil: + it.Hash, it.Parent = it.stateIt.Hash(), it.stateIt.Parent() + } + return true +} diff --git a/core/state/journal.go b/core/state/journal.go new file mode 100644 index 0000000..6e85173 --- /dev/null +++ b/core/state/journal.go @@ -0,0 +1,245 @@ +// 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 . + +package state + +import ( + "math/big" + + "github.com/ava-labs/go-ethereum/common" +) + +// journalEntry is a modification entry in the state change journal that can be +// reverted on demand. +type journalEntry interface { + // revert undoes the changes introduced by this journal entry. + revert(*StateDB) + + // dirtied returns the Ethereum address modified by this journal entry. + dirtied() *common.Address +} + +// journal contains the list of state modifications applied since the last state +// commit. These are tracked to be able to be reverted in case of an execution +// exception or revertal request. +type journal struct { + entries []journalEntry // Current changes tracked by the journal + dirties map[common.Address]int // Dirty accounts and the number of changes +} + +// newJournal create a new initialized journal. +func newJournal() *journal { + return &journal{ + dirties: make(map[common.Address]int), + } +} + +// append inserts a new modification entry to the end of the change journal. +func (j *journal) append(entry journalEntry) { + j.entries = append(j.entries, entry) + if addr := entry.dirtied(); addr != nil { + j.dirties[*addr]++ + } +} + +// revert undoes a batch of journalled modifications along with any reverted +// dirty handling too. +func (j *journal) revert(statedb *StateDB, snapshot int) { + for i := len(j.entries) - 1; i >= snapshot; i-- { + // Undo the changes made by the operation + j.entries[i].revert(statedb) + + // Drop any dirty tracking induced by the change + if addr := j.entries[i].dirtied(); addr != nil { + if j.dirties[*addr]--; j.dirties[*addr] == 0 { + delete(j.dirties, *addr) + } + } + } + j.entries = j.entries[:snapshot] +} + +// dirty explicitly sets an address to dirty, even if the change entries would +// otherwise suggest it as clean. This method is an ugly hack to handle the RIPEMD +// precompile consensus exception. +func (j *journal) dirty(addr common.Address) { + j.dirties[addr]++ +} + +// length returns the current number of entries in the journal. +func (j *journal) length() int { + return len(j.entries) +} + +type ( + // Changes to the account trie. + createObjectChange struct { + account *common.Address + } + resetObjectChange struct { + prev *stateObject + } + suicideChange struct { + account *common.Address + prev bool // whether account had already suicided + prevbalance *big.Int + } + + // Changes to individual accounts. + balanceChange struct { + account *common.Address + prev *big.Int + } + multiCoinEnable struct { + account *common.Address + } + nonceChange struct { + account *common.Address + prev uint64 + } + storageChange struct { + account *common.Address + key, prevalue common.Hash + } + codeChange struct { + account *common.Address + prevcode, prevhash []byte + } + + // Changes to other state values. + refundChange struct { + prev uint64 + } + addLogChange struct { + txhash common.Hash + } + addPreimageChange struct { + hash common.Hash + } + touchChange struct { + account *common.Address + prev bool + prevDirty bool + } +) + +func (ch createObjectChange) revert(s *StateDB) { + delete(s.stateObjects, *ch.account) + delete(s.stateObjectsDirty, *ch.account) +} + +func (ch createObjectChange) dirtied() *common.Address { + return ch.account +} + +func (ch resetObjectChange) revert(s *StateDB) { + s.setStateObject(ch.prev) +} + +func (ch resetObjectChange) dirtied() *common.Address { + return nil +} + +func (ch suicideChange) revert(s *StateDB) { + obj := s.getStateObject(*ch.account) + if obj != nil { + obj.suicided = ch.prev + obj.setBalance(ch.prevbalance) + } +} + +func (ch suicideChange) dirtied() *common.Address { + return ch.account +} + +var ripemd = common.HexToAddress("0000000000000000000000000000000000000003") + +func (ch touchChange) revert(s *StateDB) { +} + +func (ch touchChange) dirtied() *common.Address { + return ch.account +} + +func (ch balanceChange) revert(s *StateDB) { + s.getStateObject(*ch.account).setBalance(ch.prev) +} + +func (ch balanceChange) dirtied() *common.Address { + return ch.account +} + +func (ch multiCoinEnable) revert(s *StateDB) { + s.getStateObject(*ch.account).data.IsMultiCoin = false +} + +func (ch multiCoinEnable) dirtied() *common.Address { + return ch.account +} + +func (ch nonceChange) revert(s *StateDB) { + s.getStateObject(*ch.account).setNonce(ch.prev) +} + +func (ch nonceChange) dirtied() *common.Address { + return ch.account +} + +func (ch codeChange) revert(s *StateDB) { + s.getStateObject(*ch.account).setCode(common.BytesToHash(ch.prevhash), ch.prevcode) +} + +func (ch codeChange) dirtied() *common.Address { + return ch.account +} + +func (ch storageChange) revert(s *StateDB) { + s.getStateObject(*ch.account).setState(ch.key, ch.prevalue) +} + +func (ch storageChange) dirtied() *common.Address { + return ch.account +} + +func (ch refundChange) revert(s *StateDB) { + s.refund = ch.prev +} + +func (ch refundChange) dirtied() *common.Address { + return nil +} + +func (ch addLogChange) revert(s *StateDB) { + logs := s.logs[ch.txhash] + if len(logs) == 1 { + delete(s.logs, ch.txhash) + } else { + s.logs[ch.txhash] = logs[:len(logs)-1] + } + s.logSize-- +} + +func (ch addLogChange) dirtied() *common.Address { + return nil +} + +func (ch addPreimageChange) revert(s *StateDB) { + delete(s.preimages, ch.hash) +} + +func (ch addPreimageChange) dirtied() *common.Address { + return nil +} diff --git a/core/state/state_object.go b/core/state/state_object.go new file mode 100644 index 0000000..9c47dc4 --- /dev/null +++ b/core/state/state_object.go @@ -0,0 +1,499 @@ +// Copyright 2014 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 . + +package state + +import ( + "bytes" + "fmt" + "io" + "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" +) + +var emptyCodeHash = crypto.Keccak256(nil) + +type Code []byte + +func (c Code) String() string { + return string(c) //strings.Join(Disassemble(c), " ") +} + +type Storage map[common.Hash]common.Hash + +func (s Storage) String() (str string) { + for key, value := range s { + str += fmt.Sprintf("%X : %X\n", key, value) + } + + return +} + +func (s Storage) Copy() Storage { + cpy := make(Storage) + for key, value := range s { + cpy[key] = value + } + + return cpy +} + +// stateObject represents an Ethereum account which is being modified. +// +// The usage pattern is as follows: +// First you need to obtain a state object. +// Account values can be accessed and modified through the object. +// Finally, call CommitTrie to write the modified storage trie into a database. +type stateObject struct { + address common.Address + addrHash common.Hash // hash of ethereum address of the account + data Account + db *StateDB + + // DB error. + // State objects are used by the consensus core and VM which are + // unable to deal with database-level errors. Any error that occurs + // during a database read is memoized here and will eventually be returned + // by StateDB.Commit. + dbErr error + + // Write caches. + 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. + + // Cache flags. + // When an object is marked suicided it will be delete from the trie + // during the "update" phase of the state transition. + dirtyCode bool // true if the code was updated + suicided bool + deleted bool +} + +// empty returns whether the account is considered empty. +func (s *stateObject) empty() bool { + return s.data.Nonce == 0 && s.data.Balance.Sign() == 0 && bytes.Equal(s.data.CodeHash, emptyCodeHash) +} + +// Account is the Ethereum consensus representation of accounts. +// These objects are stored in the main account trie. +type Account struct { + Nonce uint64 + Balance *big.Int + Root common.Hash // merkle root of the storage trie + CodeHash []byte + IsMultiCoin bool +} + +// newObject creates a state object. +func newObject(db *StateDB, address common.Address, data Account) *stateObject { + if data.Balance == nil { + data.Balance = new(big.Int) + } + if data.CodeHash == nil { + data.CodeHash = emptyCodeHash + } + return &stateObject{ + db: db, + address: address, + addrHash: crypto.Keccak256Hash(address[:]), + data: data, + originStorage: make(Storage), + dirtyStorage: make(Storage), + } +} + +// EncodeRLP implements rlp.Encoder. +func (s *stateObject) EncodeRLP(w io.Writer) error { + return rlp.Encode(w, s.data) +} + +// setError remembers the first non-nil error it is called with. +func (s *stateObject) setError(err error) { + if s.dbErr == nil { + s.dbErr = err + } +} + +func (s *stateObject) markSuicided() { + s.suicided = true +} + +func (s *stateObject) touch() { + s.db.journal.append(touchChange{ + account: &s.address, + }) + if s.address == ripemd { + // Explicitly put it in the dirty-cache, which is otherwise generated from + // flattened journals. + s.db.journal.dirty(s.address) + } +} + +func (s *stateObject) getTrie(db Database) Trie { + if s.trie == nil { + var err error + s.trie, err = db.OpenStorageTrie(s.addrHash, s.data.Root) + if err != nil { + s.trie, _ = db.OpenStorageTrie(s.addrHash, common.Hash{}) + s.setError(fmt.Errorf("can't create storage trie: %v", err)) + } + } + return s.trie +} + +// GetState retrieves a value from the account storage trie. +func (s *stateObject) GetState(db Database, key common.Hash) common.Hash { + // If the fake storage is set, only lookup the state here(in the debugging mode) + if s.fakeStorage != nil { + return s.fakeStorage[key] + } + // If we have a dirty value for this state entry, return it + value, dirty := s.dirtyStorage[key] + if dirty { + return value + } + // Otherwise return the entry's original value + return s.GetCommittedState(db, key) +} + +// GetCommittedState retrieves a value from the committed account storage trie. +func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Hash { + // If the fake storage is set, only lookup the state here(in the debugging mode) + if s.fakeStorage != nil { + return s.fakeStorage[key] + } + // If we have the original value cached, return that + value, cached := s.originStorage[key] + if cached { + 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()) + } + // Otherwise load the value from the database + enc, err := s.getTrie(db).TryGet(key[:]) + if err != nil { + s.setError(err) + return common.Hash{} + } + if len(enc) > 0 { + _, content, _, err := rlp.Split(enc) + if err != nil { + s.setError(err) + } + value.SetBytes(content) + } + s.originStorage[key] = value + return value +} + +// SetState updates a value in account storage. +func (s *stateObject) SetState(db Database, key, value common.Hash) { + // If the fake storage is set, put the temporary state update here. + if s.fakeStorage != nil { + s.fakeStorage[key] = value + return + } + // If the new value is the same as old, don't set + prev := s.GetState(db, key) + if prev == value { + return + } + // New value is different, update and journal the change + s.db.journal.append(storageChange{ + account: &s.address, + key: key, + prevalue: prev, + }) + s.setState(key, value) +} + +// SetStorage replaces the entire state storage with the given one. +// +// After this function is called, all original state will be ignored and state +// lookup only happens in the fake state storage. +// +// Note this function should only be used for debugging purpose. +func (s *stateObject) SetStorage(storage map[common.Hash]common.Hash) { + // Allocate fake storage if it's nil. + if s.fakeStorage == nil { + s.fakeStorage = make(Storage) + } + for key, value := range storage { + s.fakeStorage[key] = value + } + // Don't bother journal since this function should only be used for + // debugging and the `fake` storage won't be committed to database. +} + +func (s *stateObject) setState(key, value common.Hash) { + s.dirtyStorage[key] = value +} + +// updateTrie writes cached storage modifications into the object's storage trie. +func (s *stateObject) updateTrie(db Database) 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 + tr := s.getTrie(db) + for key, value := range s.dirtyStorage { + delete(s.dirtyStorage, key) + + // Skip noop changes, persist actual changes + if value == s.originStorage[key] { + continue + } + s.originStorage[key] = value + + if (value == common.Hash{}) { + s.setError(tr.TryDelete(key[:])) + continue + } + // Encoding []byte cannot fail, ok to ignore the error. + v, _ := rlp.EncodeToBytes(bytes.TrimLeft(value[:], "\x00")) + s.setError(tr.TryUpdate(key[:], v)) + } + return tr +} + +// UpdateRoot sets the trie root to the current root hash of +func (s *stateObject) updateRoot(db Database) { + s.updateTrie(db) + + // 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()) + } + s.data.Root = s.trie.Hash() +} + +// 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 s.dbErr != nil { + return s.dbErr + } + // Track the amount of time wasted on committing the storge trie + if metrics.EnabledExpensive { + defer func(start time.Time) { s.db.StorageCommits += time.Since(start) }(time.Now()) + } + root, err := s.trie.Commit(nil) + if err == nil { + s.data.Root = root + } + return err +} + +// AddBalance removes amount from c'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 + // 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. +// It is used to remove funds from the origin account of a transfer. +func (s *stateObject) SubBalance(amount *big.Int) { + if amount.Sign() == 0 { + return + } + s.SetBalance(new(big.Int).Sub(s.Balance(), amount)) +} + +func (s *stateObject) SetBalance(amount *big.Int) { + s.db.journal.append(balanceChange{ + account: &s.address, + prev: new(big.Int).Set(s.data.Balance), + }) + s.setBalance(amount) +} + +// AddBalance removes amount from c's balance. +// It is used to add funds to the destination account of a transfer. +func (s *stateObject) AddBalanceMultiCoin(coinID common.Hash, amount *big.Int, db Database) { + if amount.Sign() == 0 { + if s.empty() { + s.touch() + } + + return + } + s.SetBalanceMultiCoin(coinID, new(big.Int).Add(s.BalanceMultiCoin(coinID, db), amount), db) +} + +// SubBalance removes amount from c's balance. +// It is used to remove funds from the origin account of a transfer. +func (s *stateObject) SubBalanceMultiCoin(coinID common.Hash, amount *big.Int, db Database) { + if amount.Sign() == 0 { + return + } + s.SetBalanceMultiCoin(coinID, new(big.Int).Sub(s.BalanceMultiCoin(coinID, db), amount), db) +} + +func (s *stateObject) SetBalanceMultiCoin(coinID common.Hash, amount *big.Int, db Database) { + NormalizeCoinID(&coinID) + s.SetState(db, coinID, common.BigToHash(amount)) +} + +func (s *stateObject) setBalance(amount *big.Int) { + s.data.Balance = amount +} + +func (s *stateObject) enableMultiCoin() { + s.data.IsMultiCoin = true +} + +// Return the gas back to the origin. Used by the Virtual machine or Closures +func (s *stateObject) ReturnGas(gas *big.Int) {} + +func (s *stateObject) deepCopy(db *StateDB) *stateObject { + stateObject := newObject(db, s.address, s.data) + if s.trie != nil { + stateObject.trie = db.db.CopyTrie(s.trie) + } + stateObject.code = s.code + stateObject.dirtyStorage = s.dirtyStorage.Copy() + stateObject.originStorage = s.originStorage.Copy() + stateObject.suicided = s.suicided + stateObject.dirtyCode = s.dirtyCode + stateObject.deleted = s.deleted + return stateObject +} + +// +// Attribute accessors +// + +// Returns the address of the contract/account +func (s *stateObject) Address() common.Address { + return s.address +} + +// Code returns the contract code associated with this object, if any. +func (s *stateObject) Code(db Database) []byte { + if s.code != nil { + return s.code + } + if bytes.Equal(s.CodeHash(), emptyCodeHash) { + return nil + } + code, err := db.ContractCode(s.addrHash, common.BytesToHash(s.CodeHash())) + if err != nil { + s.setError(fmt.Errorf("can't load code hash %x: %v", s.CodeHash(), err)) + } + s.code = code + return code +} + +func (s *stateObject) SetCode(codeHash common.Hash, code []byte) { + prevcode := s.Code(s.db.db) + s.db.journal.append(codeChange{ + account: &s.address, + prevhash: s.CodeHash(), + prevcode: prevcode, + }) + s.setCode(codeHash, code) +} + +func (s *stateObject) setCode(codeHash common.Hash, code []byte) { + s.code = code + s.data.CodeHash = codeHash[:] + s.dirtyCode = true +} + +func (s *stateObject) SetNonce(nonce uint64) { + s.db.journal.append(nonceChange{ + account: &s.address, + prev: s.data.Nonce, + }) + s.setNonce(nonce) +} + +func (s *stateObject) setNonce(nonce uint64) { + s.data.Nonce = nonce +} + +func (s *stateObject) CodeHash() []byte { + return s.data.CodeHash +} + +func (s *stateObject) Balance() *big.Int { + return s.data.Balance +} + +func IsMultiCoinKey(key common.Hash) bool { + return key[0]&0x01 == 0x01 +} + +func NormalizeCoinID(coinID *common.Hash) { + coinID[0] |= 0x01 +} + +func NormalizeStateKey(key *common.Hash) { + key[0] &= 0xfe +} + +func (s *stateObject) BalanceMultiCoin(coinID common.Hash, db Database) *big.Int { + NormalizeCoinID(&coinID) + return s.GetState(db, coinID).Big() +} + +func (s *stateObject) EnableMultiCoin() bool { + if s.data.IsMultiCoin { + return false + } + s.db.journal.append(multiCoinEnable{ + account: &s.address, + }) + s.enableMultiCoin() + return true +} + +func (s *stateObject) IsMultiCoin() bool { + return s.data.IsMultiCoin +} + +func (s *stateObject) Nonce() uint64 { + return s.data.Nonce +} + +// Never called, but must be present to allow stateObject to be used +// as a vm.Account interface that also satisfies the vm.ContractRef +// interface. Interfaces are awesome. +func (s *stateObject) Value() *big.Int { + panic("Value on stateObject should never be called") +} diff --git a/core/state/statedb.go b/core/state/statedb.go new file mode 100644 index 0000000..12deebe --- /dev/null +++ b/core/state/statedb.go @@ -0,0 +1,793 @@ +// Copyright 2014 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 . + +// Package state provides a caching layer atop the Ethereum state trie. +package state + +import ( + "errors" + "fmt" + "math/big" + "sort" + "time" + + "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" +) + +type revision struct { + id int + journalIndex int +} + +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) +) + +type proofList [][]byte + +func (n *proofList) Put(key []byte, value []byte) error { + *n = append(*n, value) + return nil +} + +func (n *proofList) Delete(key []byte) error { + panic("not supported") +} + +// StateDBs 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 +// * Accounts +type StateDB struct { + db Database + trie Trie + + // This map holds 'live' objects, which will get modified while processing a state transition. + stateObjects map[common.Address]*stateObject + stateObjectsDirty map[common.Address]struct{} + + // DB error. + // State objects are used by the consensus core and VM which are + // unable to deal with database-level errors. Any error that occurs + // during a database read is memoized here and will eventually be returned + // by StateDB.Commit. + dbErr error + + // The refund counter, also used by state transitioning. + refund uint64 + + thash, bhash common.Hash + txIndex int + logs map[common.Hash][]*types.Log + logSize uint + + preimages map[common.Hash][]byte + + // Journal of state modifications. This is the backbone of + // Snapshot and RevertToSnapshot. + journal *journal + validRevisions []revision + 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) { + 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 +} + +// 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 (self *StateDB) Error() error { + return self.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) + 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() + return nil +} + +func (self *StateDB) AddLog(log *types.Log) { + self.journal.append(addLogChange{txhash: self.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++ +} + +func (self *StateDB) GetLogs(hash common.Hash) []*types.Log { + return self.logs[hash] +} + +func (self *StateDB) Logs() []*types.Log { + var logs []*types.Log + for _, lgs := range self.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}) + pi := make([]byte, len(preimage)) + copy(pi, preimage) + self.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 +} + +// AddRefund adds gas to the refund counter +func (self *StateDB) AddRefund(gas uint64) { + self.journal.append(refundChange{prev: self.refund}) + self.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") + } + self.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 +} + +// 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) + 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) + if stateObject != nil { + return stateObject.Balance() + } + return common.Big0 +} + +// Retrieve the balance from the given address or 0 if object not found +func (self *StateDB) GetBalanceMultiCoin(addr common.Address, coinID common.Hash) *big.Int { + stateObject := self.getStateObject(addr) + if stateObject != nil { + return stateObject.BalanceMultiCoin(coinID, self.db) + } + return common.Big0 +} + +func (self *StateDB) EnableMultiCoin(addr common.Address) error { + stateObject := self.GetOrNewStateObject(addr) + if stateObject.data.Root != emptyRoot { + return errors.New("not a fresh account") + } + if !stateObject.EnableMultiCoin() { + return errors.New("multi-coin mode already enabled") + } + return nil +} + +func (self *StateDB) IsMultiCoin(addr common.Address) bool { + stateObject := self.getStateObject(addr) + if stateObject != nil { + return stateObject.IsMultiCoin() + } + return false +} + +func (self *StateDB) GetNonce(addr common.Address) uint64 { + stateObject := self.getStateObject(addr) + if stateObject != nil { + return stateObject.Nonce() + } + + return 0 +} + +// TxIndex returns the current transaction index set by Prepare. +func (self *StateDB) TxIndex() int { + return self.txIndex +} + +// BlockHash returns the current block hash set by Prepare. +func (self *StateDB) BlockHash() common.Hash { + return self.bhash +} + +func (self *StateDB) GetCode(addr common.Address) []byte { + stateObject := self.getStateObject(addr) + if stateObject != nil { + return stateObject.Code(self.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) + } + return size +} + +func (self *StateDB) GetCodeHash(addr common.Address) common.Hash { + stateObject := self.getStateObject(addr) + if stateObject == nil { + return common.Hash{} + } + return common.BytesToHash(stateObject.CodeHash()) +} + +// 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) + if stateObject != nil { + return stateObject.GetState(self.db, hash) + } + return common.Hash{} +} + +// GetProof returns the MerkleProof for a given Account +func (self *StateDB) GetProof(a common.Address) ([][]byte, error) { + var proof proofList + err := self.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) { + var proof proofList + trie := self.StorageTrie(a) + if trie == nil { + return proof, errors.New("storage trie for requested address does not exist") + } + err := trie.Prove(crypto.Keccak256(key.Bytes()), 0, &proof) + return [][]byte(proof), err +} + +// 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) + if stateObject != nil { + return stateObject.GetCommittedState(self.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 +} + +// 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) + if stateObject == nil { + return nil + } + cpy := stateObject.deepCopy(self) + return cpy.updateTrie(self.db) +} + +func (self *StateDB) HasSuicided(addr common.Address) bool { + stateObject := self.getStateObject(addr) + if stateObject != nil { + return stateObject.suicided + } + return false +} + +/* + * SETTERS + */ + +// AddBalance adds amount to the account associated with addr. +func (self *StateDB) AddBalance(addr common.Address, amount *big.Int) { + stateObject := self.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) + if stateObject != nil { + stateObject.SubBalance(amount) + } +} + +func (self *StateDB) SetBalance(addr common.Address, amount *big.Int) { + stateObject := self.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) + if stateObject != nil { + stateObject.AddBalanceMultiCoin(coinID, amount, self.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) + if stateObject != nil { + stateObject.SubBalanceMultiCoin(coinID, amount, self.db) + } +} + +func (self *StateDB) SetBalanceMultiCoin(addr common.Address, coinID common.Hash, amount *big.Int) { + stateObject := self.GetOrNewStateObject(addr) + if stateObject != nil { + stateObject.SetBalanceMultiCoin(coinID, amount, self.db) + } +} + +func (self *StateDB) SetNonce(addr common.Address, nonce uint64) { + stateObject := self.GetOrNewStateObject(addr) + if stateObject != nil { + stateObject.SetNonce(nonce) + } +} + +func (self *StateDB) SetCode(addr common.Address, code []byte) { + stateObject := self.GetOrNewStateObject(addr) + if stateObject != nil { + stateObject.SetCode(crypto.Keccak256Hash(code), code) + } +} + +func (self *StateDB) SetState(addr common.Address, key, value common.Hash) (res error) { + res = nil + stateObject := self.GetOrNewStateObject(addr) + if stateObject != nil { + if stateObject.data.IsMultiCoin { + NormalizeStateKey(&key) + } + stateObject.SetState(self.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) + if stateObject != nil { + stateObject.SetStorage(storage) + } +} + +// Suicide marks the given account as suicided. +// This clears the account balance. +// +// 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) + if stateObject == nil { + return false + } + self.journal.append(suicideChange{ + account: &addr, + prev: stateObject.suicided, + prevbalance: new(big.Int).Set(stateObject.Balance()), + }) + stateObject.markSuicided() + stateObject.data.Balance = new(big.Int) + + return true +} + +// +// Setting, updating & deleting state object methods. +// + +// updateStateObject writes the given object to the trie. +func (s *StateDB) updateStateObject(stateObject *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() + + data, err := rlp.EncodeToBytes(stateObject) + if err != nil { + panic(fmt.Errorf("can't encode object at %x: %v", addr[:], err)) + } + s.setError(s.trie.TryUpdate(addr[:], data)) +} + +// deleteStateObject removes the given object from the state trie. +func (s *StateDB) deleteStateObject(stateObject *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 := stateObject.Address() + s.setError(s.trie.TryDelete(addr[:])) +} + +// 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 + 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 + } + var data 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) + s.setStateObject(obj) + return obj +} + +func (self *StateDB) setStateObject(object *stateObject) { + self.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) + } + 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{}) + newobj.setNonce(0) // sets the object to dirty + if prev == nil { + self.journal.append(createObjectChange{account: &addr}) + } else { + self.journal.append(resetObjectChange{prev: prev}) + } + self.setStateObject(newobj) + return newobj, prev +} + +// CreateAccount explicitly creates a state object. If a state object with the address +// already exists the balance is carried over to the new account. +// +// CreateAccount is called during the EVM CREATE operation. The situation might arise that +// a contract does the following: +// +// 1. sends funds to sha(account ++ (nonce + 1)) +// 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) + if prev != nil { + newObj.setBalance(prev.data.Balance) + } +} + +func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common.Hash) bool) error { + so := db.getStateObject(addr) + if so == nil { + return nil + } + it := trie.NewIterator(so.getTrie(db.db).NodeIterator(nil)) + + for it.Next() { + key := common.BytesToHash(db.trie.GetKey(it.Key)) + if value, dirty := so.dirtyStorage[key]; dirty { + if !cb(key, value) { + return nil + } + continue + } + + if len(it.Value) > 0 { + _, content, _, err := rlp.Split(it.Value) + if err != nil { + return err + } + if !cb(key, common.BytesToHash(content)) { + return nil + } + } + } + return nil +} + +// 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 { + // 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(), + } + // Copy the dirty states, logs, and preimages + for addr := range self.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 { + state.stateObjects[addr] = object.deepCopy(state) + state.stateObjectsDirty[addr] = struct{}{} + } + } + // 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 { + if _, exist := state.stateObjects[addr]; !exist { + state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state) + state.stateObjectsDirty[addr] = struct{}{} + } + } + for hash, logs := range self.logs { + cpy := make([]*types.Log, len(logs)) + for i, l := range logs { + cpy[i] = new(types.Log) + *cpy[i] = *l + } + state.logs[hash] = cpy + } + for hash, preimage := range self.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()}) + return id +} + +// RevertToSnapshot reverts all state changes made since the given revision. +func (self *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 + }) + if idx == len(self.validRevisions) || self.validRevisions[idx].id != revid { + panic(fmt.Errorf("revision id %v cannot be reverted", revid)) + } + snapshot := self.validRevisions[idx].journalIndex + + // Replay the journal to undo changes and remove invalidated snapshots + self.journal.revert(self, snapshot) + self.validRevisions = self.validRevisions[:idx] +} + +// GetRefund returns the current value of the refund counter. +func (self *StateDB) GetRefund() uint64 { + return self.refund +} + +// Finalise finalises the state by removing the self destructed objects +// and clears the journal as well as the refunds. +func (s *StateDB) Finalise(deleteEmptyObjects bool) { + for addr := range s.journal.dirties { + stateObject, 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 + // touch-event will still be recorded in the journal. Since ripeMD is a special snowflake, + // it will persist in the journal even though the journal is reverted. In this special circumstance, + // it may exist in `s.journal.dirties` but not in `s.stateObjects`. + // Thus, we can safely ignore it here + continue + } + + if stateObject.suicided || (deleteEmptyObjects && stateObject.empty()) { + s.deleteStateObject(stateObject) + } else { + stateObject.updateRoot(s.db) + s.updateStateObject(stateObject) + } + s.stateObjectsDirty[addr] = struct{}{} + } + // Invalidate journal because reverting across transactions is not allowed. + s.clearJournalAndRefund() +} + +// IntermediateRoot computes the current root hash of the state trie. +// It is called in between transactions to get the root hash that +// goes into transaction receipts. +func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash { + s.Finalise(deleteEmptyObjects) + + // 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()) + } + return s.trie.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) clearJournalAndRefund() { + s.journal = newJournal() + s.validRevisions = s.validRevisions[:0] + s.refund = 0 +} + +// 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{}{} + } + // 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: + // 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 + } + // Write any storage changes in the state object to its storage trie. + if err := stateObject.CommitTrie(s.db); err != nil { + return common.Hash{}, err + } + // Update the object in the main account trie. + s.updateStateObject(stateObject) + } + delete(s.stateObjectsDirty, addr) + } + // Write the account trie changes, measuing the amount of wasted time + if metrics.EnabledExpensive { + defer func(start time.Time) { s.AccountCommits += time.Since(start) }(time.Now()) + } + root, err = s.trie.Commit(func(leaf []byte, parent common.Hash) error { + var account Account + 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 + }) + return root, err +} diff --git a/core/state/sync.go b/core/state/sync.go new file mode 100644 index 0000000..873395c --- /dev/null +++ b/core/state/sync.go @@ -0,0 +1,42 @@ +// 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 . + +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" +) + +// 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 { + 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) + return nil + } + syncer = trie.NewSync(root, database, callback, bloom) + return syncer +} -- cgit v1.2.3-70-g09d2 From 7feec02902d52a3abf722613eb9e218e015b723c Mon Sep 17 00:00:00 2001 From: Determinant Date: Tue, 30 Jun 2020 17:05:50 -0400 Subject: make mc tx work --- core/evm.go | 7 +- core/gen_genesis.go | 2 + core/gen_genesis_account.go | 8 + core/genesis.go | 9 + core/state/statedb.go | 5 + core/tx_pool.go | 1 - core/types/gen_tx_json.go | 12 + core/types/transaction.go | 22 +- core/vm/evm.go | 2 - eth/backend.go | 2 - eth/gen_config.go | 12 + eth/tracers/internal/tracers/assets.go | 37 +-- examples/chain/main.go | 2 +- examples/counter/main.go | 2 +- examples/multicoin/main.go | 218 +++++++++++++ plugin/evm/static_service_test.go | 64 ---- plugin/evm/vm_genesis_parse_test.go | 32 -- rpc/client_example_test.go | 88 ----- rpc/client_test.go | 569 --------------------------------- rpc/http_test.go | 54 ---- rpc/server_test.go | 152 --------- rpc/subscription_test.go | 206 ------------ rpc/testservice_test.go | 180 ----------- rpc/types_test.go | 66 ---- rpc/websocket_test.go | 259 --------------- 25 files changed, 297 insertions(+), 1714 deletions(-) create mode 100644 examples/multicoin/main.go delete mode 100644 plugin/evm/static_service_test.go delete mode 100644 plugin/evm/vm_genesis_parse_test.go delete mode 100644 rpc/client_example_test.go delete mode 100644 rpc/client_test.go delete mode 100644 rpc/http_test.go delete mode 100644 rpc/server_test.go delete mode 100644 rpc/subscription_test.go delete mode 100644 rpc/testservice_test.go delete mode 100644 rpc/types_test.go delete mode 100644 rpc/websocket_test.go (limited to 'core/state') diff --git a/core/evm.go b/core/evm.go index ecab8e6..796b312 100644 --- a/core/evm.go +++ b/core/evm.go @@ -99,7 +99,7 @@ func CanTransferMC(db vm.StateDB, addr common.Address, to common.Address, coinID } if !db.IsMultiCoin(addr) { err := db.EnableMultiCoin(addr) - log.Debug("try to enable MC", "err", err) + log.Debug("try to enable MC", "addr", addr.Hex(), "err", err) } if !(db.IsMultiCoin(addr) && db.IsMultiCoin(to)) { // incompatible @@ -124,8 +124,5 @@ func TransferMultiCoin(db vm.StateDB, sender, recipient common.Address, coinID * return } db.SubBalanceMultiCoin(sender, *coinID, amount) - z := &big.Int{} - z.Add(amount, big.NewInt(1000000000000000000)) - log.Info("hi") - db.AddBalanceMultiCoin(recipient, *coinID, z) + db.AddBalanceMultiCoin(recipient, *coinID, amount) } diff --git a/core/gen_genesis.go b/core/gen_genesis.go index 05883c0..97175f7 100644 --- a/core/gen_genesis.go +++ b/core/gen_genesis.go @@ -15,6 +15,7 @@ import ( var _ = (*genesisSpecMarshaling)(nil) +// MarshalJSON marshals as JSON. func (g Genesis) MarshalJSON() ([]byte, error) { type Genesis struct { Config *params.ChainConfig `json:"config"` @@ -51,6 +52,7 @@ func (g Genesis) MarshalJSON() ([]byte, error) { return json.Marshal(&enc) } +// UnmarshalJSON unmarshals from JSON. func (g *Genesis) UnmarshalJSON(input []byte) error { type Genesis struct { Config *params.ChainConfig `json:"config"` diff --git a/core/gen_genesis_account.go b/core/gen_genesis_account.go index a7ef4a6..b90b658 100644 --- a/core/gen_genesis_account.go +++ b/core/gen_genesis_account.go @@ -14,11 +14,13 @@ import ( var _ = (*genesisAccountMarshaling)(nil) +// MarshalJSON marshals as JSON. func (g GenesisAccount) MarshalJSON() ([]byte, error) { type GenesisAccount struct { Code hexutil.Bytes `json:"code,omitempty"` Storage map[storageJSON]storageJSON `json:"storage,omitempty"` Balance *math.HexOrDecimal256 `json:"balance" gencodec:"required"` + MCBalance GenesisMultiCoinBalance `json:"mcbalance,omitempty"` Nonce math.HexOrDecimal64 `json:"nonce,omitempty"` PrivateKey hexutil.Bytes `json:"secretKey,omitempty"` } @@ -31,16 +33,19 @@ func (g GenesisAccount) MarshalJSON() ([]byte, error) { } } enc.Balance = (*math.HexOrDecimal256)(g.Balance) + enc.MCBalance = g.MCBalance enc.Nonce = math.HexOrDecimal64(g.Nonce) enc.PrivateKey = g.PrivateKey return json.Marshal(&enc) } +// UnmarshalJSON unmarshals from JSON. func (g *GenesisAccount) UnmarshalJSON(input []byte) error { type GenesisAccount struct { Code *hexutil.Bytes `json:"code,omitempty"` Storage map[storageJSON]storageJSON `json:"storage,omitempty"` Balance *math.HexOrDecimal256 `json:"balance" gencodec:"required"` + MCBalance *GenesisMultiCoinBalance `json:"mcbalance,omitempty"` Nonce *math.HexOrDecimal64 `json:"nonce,omitempty"` PrivateKey *hexutil.Bytes `json:"secretKey,omitempty"` } @@ -61,6 +66,9 @@ func (g *GenesisAccount) UnmarshalJSON(input []byte) error { return errors.New("missing required field 'balance' for GenesisAccount") } g.Balance = (*big.Int)(dec.Balance) + if dec.MCBalance != nil { + g.MCBalance = *dec.MCBalance + } if dec.Nonce != nil { g.Nonce = uint64(*dec.Nonce) } diff --git a/core/genesis.go b/core/genesis.go index 347beb3..ef490bf 100644 --- a/core/genesis.go +++ b/core/genesis.go @@ -78,11 +78,14 @@ func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error { return nil } +type GenesisMultiCoinBalance map[common.Hash]*big.Int + // GenesisAccount is an account in the state of the genesis block. type GenesisAccount struct { Code []byte `json:"code,omitempty"` Storage map[common.Hash]common.Hash `json:"storage,omitempty"` Balance *big.Int `json:"balance" gencodec:"required"` + MCBalance GenesisMultiCoinBalance `json:"mcbalance,omitempty"` Nonce uint64 `json:"nonce,omitempty"` PrivateKey []byte `json:"secretKey,omitempty"` // for tests } @@ -261,6 +264,12 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block { for key, value := range account.Storage { statedb.SetState(addr, key, value) } + if account.MCBalance != nil { + statedb.ForceEnableMultiCoin(addr) + for coinID, value := range account.MCBalance { + statedb.AddBalanceMultiCoin(addr, coinID, value) + } + } } root := statedb.IntermediateRoot(false) head := &types.Header{ diff --git a/core/state/statedb.go b/core/state/statedb.go index 12deebe..1d3207d 100644 --- a/core/state/statedb.go +++ b/core/state/statedb.go @@ -248,6 +248,11 @@ func (self *StateDB) EnableMultiCoin(addr common.Address) error { return nil } +func (self *StateDB) ForceEnableMultiCoin(addr common.Address) { + stateObject := self.GetOrNewStateObject(addr) + stateObject.EnableMultiCoin() +} + func (self *StateDB) IsMultiCoin(addr common.Address) bool { stateObject := self.getStateObject(addr) if stateObject != nil { diff --git a/core/tx_pool.go b/core/tx_pool.go index 1acd488..5b2a3c0 100644 --- a/core/tx_pool.go +++ b/core/tx_pool.go @@ -528,7 +528,6 @@ func (pool *TxPool) validateTx(tx *types.Transaction, local bool) error { } // Ensure the transaction doesn't exceed the current block limit gas. if pool.currentMaxGas < tx.Gas() { - fmt.Println(pool.currentMaxGas, tx.Gas()) return ErrGasLimit } // Make sure the transaction is signed properly diff --git a/core/types/gen_tx_json.go b/core/types/gen_tx_json.go index 0410632..dd0d069 100644 --- a/core/types/gen_tx_json.go +++ b/core/types/gen_tx_json.go @@ -21,6 +21,8 @@ func (t txdata) MarshalJSON() ([]byte, error) { GasLimit hexutil.Uint64 `json:"gas" gencodec:"required"` Recipient *common.Address `json:"to" rlp:"nil"` Amount *hexutil.Big `json:"value" gencodec:"required"` + CoinID *common.Hash `json:"coinid" rlp:"nil"` + Amount2 *hexutil.Big `json:"value2" rlp:"nil"` Payload hexutil.Bytes `json:"input" gencodec:"required"` V *hexutil.Big `json:"v" gencodec:"required"` R *hexutil.Big `json:"r" gencodec:"required"` @@ -33,6 +35,8 @@ func (t txdata) MarshalJSON() ([]byte, error) { enc.GasLimit = hexutil.Uint64(t.GasLimit) enc.Recipient = t.Recipient enc.Amount = (*hexutil.Big)(t.Amount) + enc.CoinID = t.CoinID + enc.Amount2 = (*hexutil.Big)(t.Amount2) enc.Payload = t.Payload enc.V = (*hexutil.Big)(t.V) enc.R = (*hexutil.Big)(t.R) @@ -49,6 +53,8 @@ func (t *txdata) UnmarshalJSON(input []byte) error { GasLimit *hexutil.Uint64 `json:"gas" gencodec:"required"` Recipient *common.Address `json:"to" rlp:"nil"` Amount *hexutil.Big `json:"value" gencodec:"required"` + CoinID *common.Hash `json:"coinid" rlp:"nil"` + Amount2 *hexutil.Big `json:"value2" rlp:"nil"` Payload *hexutil.Bytes `json:"input" gencodec:"required"` V *hexutil.Big `json:"v" gencodec:"required"` R *hexutil.Big `json:"r" gencodec:"required"` @@ -78,6 +84,12 @@ func (t *txdata) UnmarshalJSON(input []byte) error { return errors.New("missing required field 'value' for txdata") } t.Amount = (*big.Int)(dec.Amount) + if dec.CoinID != nil { + t.CoinID = dec.CoinID + } + if dec.Amount2 != nil { + t.Amount2 = (*big.Int)(dec.Amount2) + } if dec.Payload == nil { return errors.New("missing required field 'input' for txdata") } diff --git a/core/types/transaction.go b/core/types/transaction.go index cf9e61a..858b443 100644 --- a/core/types/transaction.go +++ b/core/types/transaction.go @@ -49,8 +49,8 @@ type txdata struct { GasLimit uint64 `json:"gas" gencodec:"required"` Recipient *common.Address `json:"to" rlp:"nil"` // nil means contract creation Amount *big.Int `json:"value" gencodec:"required"` - CoinID *common.Hash `json:"coinid" rlp:"-"` - Amount2 *big.Int `json:"value2"` + CoinID *common.Hash `json:"coinid" rlp:"nil"` + Amount2 *big.Int `json:"value2" rlp:"nil"` Payload []byte `json:"input" gencodec:"required"` // Signature values @@ -67,7 +67,7 @@ type txdataMarshaling struct { Price *hexutil.Big GasLimit hexutil.Uint64 Amount *hexutil.Big - CoinID *hexutil.Bytes + CoinID *common.Hash Amount2 *hexutil.Big Payload hexutil.Bytes V *hexutil.Big @@ -183,14 +183,14 @@ func (tx *Transaction) UnmarshalJSON(input []byte) error { 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) CoinID() *big.Int { return big.NewInt(0) } -func (tx *Transaction) Value2() *big.Int { return big.NewInt(0) } -func (tx *Transaction) Nonce() uint64 { return tx.data.AccountNonce } -func (tx *Transaction) CheckNonce() bool { return true } +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) CoinID() *common.Hash { return tx.data.CoinID } +func (tx *Transaction) Value2() *big.Int { return new(big.Int).Set(tx.data.Amount2) } +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. diff --git a/core/vm/evm.go b/core/vm/evm.go index ff3587c..be8b240 100644 --- a/core/vm/evm.go +++ b/core/vm/evm.go @@ -17,7 +17,6 @@ package vm import ( - "fmt" "math/big" "sync/atomic" "time" @@ -260,7 +259,6 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas // This allows the user transfer balance of a specified coinId in addition to a normal Call(). func (evm *EVM) CallExpert(caller ContractRef, addr common.Address, input []byte, gas uint64, value *big.Int, coinID *common.Hash, value2 *big.Int) (ret []byte, leftOverGas uint64, err error) { - fmt.Println("CallExpert") if evm.vmConfig.NoRecursion && evm.depth > 0 { return nil, gas, nil } diff --git a/eth/backend.go b/eth/backend.go index ab43558..983909c 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -173,8 +173,6 @@ func New(ctx *node.ServiceContext, config *Config, bcb: bcb, } - fmt.Println(eth.config.Genesis.GasLimit) - bcVersion := rawdb.ReadDatabaseVersion(chainDb) var dbVer = "" if bcVersion != nil { diff --git a/eth/gen_config.go b/eth/gen_config.go index 617a885..d34f0b3 100644 --- a/eth/gen_config.go +++ b/eth/gen_config.go @@ -49,6 +49,8 @@ func (c Config) MarshalTOML() (interface{}, error) { RPCGasCap *big.Int `toml:",omitempty"` Checkpoint *params.TrustedCheckpoint `toml:",omitempty"` CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"` + OverrideIstanbul *big.Int + ManualCanonical bool } var enc Config enc.Genesis = c.Genesis @@ -82,6 +84,8 @@ func (c Config) MarshalTOML() (interface{}, error) { enc.RPCGasCap = c.RPCGasCap enc.Checkpoint = c.Checkpoint enc.CheckpointOracle = c.CheckpointOracle + enc.OverrideIstanbul = c.OverrideIstanbul + enc.ManualCanonical = c.ManualCanonical return &enc, nil } @@ -119,6 +123,8 @@ func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error { RPCGasCap *big.Int `toml:",omitempty"` Checkpoint *params.TrustedCheckpoint `toml:",omitempty"` CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"` + OverrideIstanbul *big.Int + ManualCanonical *bool } var dec Config if err := unmarshal(&dec); err != nil { @@ -217,5 +223,11 @@ 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 + } return nil } diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index d0a0bf7..b1930dc 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -3,7 +3,7 @@ // 4byte_tracer.js (2.933kB) // bigram_tracer.js (1.712kB) // call_tracer.js (8.643kB) -// evmdis_tracer.js (4.194kB) +// evmdis_tracer.js (4.195kB) // noop_tracer.js (1.271kB) // opcount_tracer.js (1.372kB) // prestate_tracer.js (4.234kB) @@ -28,7 +28,7 @@ import ( func bindataRead(data []byte, name string) ([]byte, error) { gz, err := gzip.NewReader(bytes.NewBuffer(data)) if err != nil { - return nil, fmt.Errorf("read %q: %v", name, err) + return nil, fmt.Errorf("read %q: %w", name, err) } var buf bytes.Buffer @@ -36,7 +36,7 @@ func bindataRead(data []byte, name string) ([]byte, error) { clErr := gz.Close() if err != nil { - return nil, fmt.Errorf("read %q: %v", name, err) + return nil, fmt.Errorf("read %q: %w", name, err) } if clErr != nil { return nil, err @@ -137,7 +137,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _evmdis_tracerJs = 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+var _evmdis_tracerJs = 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func evmdis_tracerJsBytes() ([]byte, error) { return bindataRead( @@ -153,7 +153,7 @@ func evmdis_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "evmdis_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xd5, 0xe8, 0x96, 0xa1, 0x8b, 0xc, 0x68, 0x3c, 0xe8, 0x5d, 0x7e, 0xf0, 0xab, 0xfe, 0xec, 0xd1, 0xb, 0x3d, 0xfc, 0xc7, 0xac, 0xb5, 0xa, 0x41, 0x55, 0x0, 0x3a, 0x60, 0xa7, 0x8e, 0x46, 0x93}} + a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xb5, 0xc8, 0x73, 0x8e, 0xfb, 0x1f, 0x84, 0x7d, 0x37, 0xd9, 0x26, 0x24, 0x37, 0xb8, 0x65, 0xb1, 0xed, 0xa0, 0x76, 0x9a, 0xf0, 0x8e, 0x3a, 0x9b, 0x20, 0x93, 0x27, 0x26, 0x2e, 0xc9, 0x9b, 0xde}} return a, nil } @@ -348,25 +348,20 @@ func AssetNames() []string { // _bindata is a table, holding each asset generator, mapped to its name. var _bindata = map[string]func() (*asset, error){ - "4byte_tracer.js": _4byte_tracerJs, - - "bigram_tracer.js": bigram_tracerJs, - - "call_tracer.js": call_tracerJs, - - "evmdis_tracer.js": evmdis_tracerJs, - - "noop_tracer.js": noop_tracerJs, - - "opcount_tracer.js": opcount_tracerJs, - + "4byte_tracer.js": _4byte_tracerJs, + "bigram_tracer.js": bigram_tracerJs, + "call_tracer.js": call_tracerJs, + "evmdis_tracer.js": evmdis_tracerJs, + "noop_tracer.js": noop_tracerJs, + "opcount_tracer.js": opcount_tracerJs, "prestate_tracer.js": prestate_tracerJs, - - "trigram_tracer.js": trigram_tracerJs, - - "unigram_tracer.js": unigram_tracerJs, + "trigram_tracer.js": trigram_tracerJs, + "unigram_tracer.js": unigram_tracerJs, } +// AssetDebug is true if the assets were built with the debug flag enabled. +const AssetDebug = false + // AssetDir returns the file names below a certain // directory embedded in the file by go-bindata. // For example if you run go-bindata on data/... and data contains the diff --git a/examples/chain/main.go b/examples/chain/main.go index d474c2b..5edd055 100644 --- a/examples/chain/main.go +++ b/examples/chain/main.go @@ -7,10 +7,10 @@ import ( "github.com/ava-labs/coreth/core" "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/params" "github.com/ava-labs/go-ethereum/rlp" "math/big" "sync" diff --git a/examples/counter/main.go b/examples/counter/main.go index 48a0e6f..85aa9d1 100644 --- a/examples/counter/main.go +++ b/examples/counter/main.go @@ -9,11 +9,11 @@ import ( "github.com/ava-labs/coreth/core" "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/ava-labs/go-ethereum/params" "go/build" "math/big" "os" diff --git a/examples/multicoin/main.go b/examples/multicoin/main.go new file mode 100644 index 0000000..3e42010 --- /dev/null +++ b/examples/multicoin/main.go @@ -0,0 +1,218 @@ +package main + +import ( + "crypto/rand" + //"encoding/hex" + "encoding/json" + "fmt" + "github.com/ava-labs/coreth" + "github.com/ava-labs/coreth/core" + "github.com/ava-labs/coreth/eth" + //"github.com/ava-labs/coreth/accounts/abi" + "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/compiler" + "github.com/ava-labs/go-ethereum/crypto" + "github.com/ava-labs/go-ethereum/log" + "go/build" + "math/big" + "os" + "os/signal" + "path/filepath" + //"strings" + "syscall" + "time" +) + +var ( + codeHex = "6101c7610026600b82828239805160001a60731461001957fe5b30600052607381538281f3fe730000000000000000000000000000000000000000301460806040526004361061004b5760003560e01c80631e01043914610050578063abb24ba014610092578063b6510bb3146100a9575b600080fd5b61007c6004803603602081101561006657600080fd5b8101908080359060200190929190505050610118565b6040518082815260200191505060405180910390f35b81801561009e57600080fd5b506100a761013b565b005b8180156100b557600080fd5b50610116600480360360808110156100cc57600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190803590602001909291908035906020019092919050505061013e565b005b60003373ffffffffffffffffffffffffffffffffffffffff1682905d9050919050565b5c565b8373ffffffffffffffffffffffffffffffffffffffff1681836108fc8690811502906040516000604051808303818888878c8af69550505050505015801561018a573d6000803e3d6000fd5b505050505056fea26469706673582212204e4689067358d8e82903012dcaca0c004d36e39fc99360919fb824c4ce718bdd64736f6c634300060a0033" + codeABI = `[{"inputs":[{"internalType":"uint256","name":"coinid","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]` +) + +func checkError(err error) { + if err != nil { + panic(err) + } +} + +func main() { + // configure the chain + config := eth.DefaultConfig + config.ManualCanonical = true + chainConfig := ¶ms.ChainConfig{ + ChainID: big.NewInt(1), + HomesteadBlock: big.NewInt(0), + DAOForkBlock: big.NewInt(0), + DAOForkSupport: true, + EIP150Block: big.NewInt(0), + EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"), + EIP155Block: big.NewInt(0), + EIP158Block: big.NewInt(0), + ByzantiumBlock: big.NewInt(0), + ConstantinopleBlock: big.NewInt(0), + PetersburgBlock: big.NewInt(0), + IstanbulBlock: nil, + Ethash: nil, + } + + // configure the genesis block + //genBalance := big.NewInt(100000000000000000) + genKey, _ := coreth.NewKey(rand.Reader) + bob, _ := coreth.NewKey(rand.Reader) + + g := new(core.Genesis) + b := `{"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}}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}` + k := "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1" + err := json.Unmarshal([]byte(b), g) + checkError(err) + config.Genesis = g + hk, _ := crypto.HexToECDSA(k[2:]) + genKey = coreth.NewKeyFromECDSA(hk) + //config.Genesis = &core.Genesis{ + // Config: chainConfig, + // Nonce: 0, + // Number: 0, + // ExtraData: hexutil.MustDecode("0x00"), + // GasLimit: 100000000, + // Difficulty: big.NewInt(0), + // Alloc: core.GenesisAlloc{genKey.Address: {Balance: genBalance}}, + //} + + // grab the control of block generation and disable auto uncle + config.Miner.ManualMining = true + config.Miner.ManualUncle = true + + // compile the smart contract + gopath := os.Getenv("GOPATH") + if gopath == "" { + gopath = build.Default.GOPATH + } + + // info required to generate a transaction + chainID := chainConfig.ChainID + nonce := uint64(0) + gasLimit := 10000000 + gasPrice := big.NewInt(1000000000) + + blockCount := 0 + chain := coreth.NewETHChain(&config, nil, nil, nil) + newTxPoolHeadChan := make(chan core.NewTxPoolHeadEvent, 1) + log.Info(chain.GetGenesisBlock().Hash().Hex()) + firstBlock := false + var contractAddr common.Address + coin0 := common.HexToHash("0x0") + //var calls [][]byte + postGen := func(block *types.Block) bool { + if blockCount == 15 { + state, err := chain.CurrentState() + checkError(err) + log.Info(fmt.Sprintf("genesis balance = %s", state.GetBalance(genKey.Address))) + log.Info(fmt.Sprintf("genesis balance2 = %s", state.GetBalanceMultiCoin(genKey.Address, coin0))) + log.Info(fmt.Sprintf("contract balance = %s", state.GetBalance(contractAddr))) + log.Info(fmt.Sprintf("bob's balance = %s", state.GetBalance(bob.Address))) + log.Info(fmt.Sprintf("bob's balance2 = %s", state.GetBalanceMultiCoin(bob.Address, coin0))) + log.Info(fmt.Sprintf("state = %s", state.Dump(true, false, true))) + log.Info(fmt.Sprintf("x = %s", state.GetState(contractAddr, common.BigToHash(big.NewInt(0))).String())) + return true + } + if !firstBlock { + firstBlock = true + receipts := chain.GetReceiptsByHash(block.Hash()) + if len(receipts) != 1 { + panic(fmt.Sprintf("# receipts is %d != 1", len(receipts))) + } + contractAddr = receipts[0].ContractAddress + txHash := receipts[0].TxHash + log.Info(fmt.Sprintf("deploy tx = %s", txHash.String())) + log.Info(fmt.Sprintf("contract addr = %s", contractAddr.String())) + //var call []byte + //if len(calls) > 0 { + // call = calls[0] + // calls = calls[1:] + //} else { + // call = nil + //} + //state, _ := chain.CurrentState() + //call := common.Hex2Bytes("1003e2d20000000000000000000000000000000000000000000000000000000000000001") + //log.Info(fmt.Sprintf("code = %s", hex.EncodeToString(state.GetCode(contractAddr)))) + go func() { + tx := types.NewTransaction(nonce, bob.Address, big.NewInt(300000000000000000), uint64(gasLimit), gasPrice, nil) + signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) + checkError(err) + chain.AddRemoteTxs([]*types.Transaction{signedTx}) + nonce++ + time.Sleep(20 * time.Millisecond) + + // self-loop tx to enable MC + tx = types.NewTransaction(0, bob.Address, big.NewInt(1), uint64(gasLimit), gasPrice, nil) + tx.SetMultiCoinValue(&coin0, big.NewInt(0)) + signedTx, err = types.SignTx(tx, types.NewEIP155Signer(chainID), bob.PrivateKey) + checkError(err) + chain.AddRemoteTxs([]*types.Transaction{signedTx}) + time.Sleep(20 * time.Millisecond) + + for i := 0; i < 10; i++ { + tx := types.NewTransaction(nonce, bob.Address, big.NewInt(10000000000000000), uint64(gasLimit), gasPrice, nil) + tx.SetMultiCoinValue(&coin0, big.NewInt(100000000000000000)) + signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) + checkError(err) + chain.AddRemoteTxs([]*types.Transaction{signedTx}) + nonce++ + } + }() + } + return false + } + chain.SetOnHeaderNew(func(header *types.Header) { + hid := make([]byte, 32) + _, err := rand.Read(hid) + if err != nil { + panic("cannot generate hid") + } + header.Extra = append(header.Extra, hid...) + }) + chain.SetOnSealFinish(func(block *types.Block) error { + blockCount++ + if postGen(block) { + return nil + } + go func() { + <-newTxPoolHeadChan + time.Sleep(10 * time.Millisecond) + chain.GenBlock() + }() + return nil + }) + + // start the chain + chain.GetTxPool().SubscribeNewHeadEvent(newTxPoolHeadChan) + chain.Start() + + //code := common.Hex2Bytes(codeHex) + counterSrc, err := filepath.Abs(gopath + "/src/github.com/ava-labs/coreth/examples/counter/counter.sol") + checkError(err) + contracts, err := compiler.CompileSolidity("", counterSrc) + checkError(err) + contract, _ := contracts[fmt.Sprintf("%s:%s", counterSrc, "Counter")] + code := common.Hex2Bytes(contract.Code[2:]) + + //abi, err := abi.JSON(strings.NewReader(codeABI)) + //cc, err := abi.Pack("getBalance", big.NewInt(0)) + //checkError(err) + //calls = append(calls, cc) + tx := types.NewContractCreation(nonce, big.NewInt(0), uint64(gasLimit), gasPrice, code) + signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) + checkError(err) + chain.AddRemoteTxs([]*types.Transaction{signedTx}) + time.Sleep(1000 * time.Millisecond) + nonce++ + + chain.GenBlock() + + c := make(chan os.Signal, 1) + signal.Notify(c, os.Interrupt, syscall.SIGTERM) + signal.Notify(c, os.Interrupt, syscall.SIGINT) + <-c + chain.Stop() +} diff --git a/plugin/evm/static_service_test.go b/plugin/evm/static_service_test.go deleted file mode 100644 index c492798..0000000 --- a/plugin/evm/static_service_test.go +++ /dev/null @@ -1,64 +0,0 @@ -// (c) 2019-2020, Ava Labs, Inc. All rights reserved. -// See the file LICENSE for licensing terms. - -package evm - -import ( - "math/big" - "testing" - - "github.com/ava-labs/go-ethereum/common" - "github.com/ava-labs/go-ethereum/params" - - "github.com/ava-labs/coreth/core" -) - -func TestBuildGenesis(t *testing.T) { - expected := "3wP629bGfSGj9trh1UNBp5qGRGCcma5d8ezLeSmd9hnUJjSMUJesHHoxbZNcVUC9CjH7PEGNA96htNTd1saZCMt1Mf1dZFG7JDhcYNok6RS4TZufejXdxbVVgquohSa7nCCcrXpiVeiRFwzLJAxyQbXzYRhaCRtcDDfCcqfaVdtkFsPbNeQ49pDTbEC5hVkmfopeQ2Zz8tAG5QXKBdbYBCukR3xNHJ4xDxeixmEwPr1odb42yQRYrL7xREKNn2LFoFwAWUjBTsCkf5GPNgY2GvvN9o8wFWXTroW5fp754DhpdxHYxkMTfuE9DGyNWHTyrEbrUHutUdsfitcSHVj5ctFtkN2wGCs3cyv1eRRNvFFMggWTbarjne6AYaeCrJ631qAu3CbrUtrTH5N2E6G2yQKX4sT4Sk3qWPJdsGXuT95iKKcgNn1u5QRHHw9DXXuGPpJjkcKQRGUCuqpXy61iF5RNPEwAwKDa8f2Y25WMmNgWynUuLj8iSAyePj7USPWk54QFUr86ApVzqAdzzdD1qSVScpmudGnGbz9UNXdzHqSot6XLrNTYsgkabiu6TGntFm7qywbCRmtNdBuT9aznGQdUVimjt5QzUz68HXhUxBzTkrz7yXfVGV5JcWxVHQXYS4oc41U5yu83mH3A7WBrZLVq6UyNrvQVbim5nDxeKKbALPxwzVwywjgY5cp39AvzGnY8CX2AtuBNnKmZaAvG8JWAkx3yxjnJrwWhLgpDQYcCvRp2jg1EPBqN8FKJxSPE6eedjDHDJfB57mNzyEtmg22BPnem3eLdiovX8awkhBUHdE7uPrapNSVprnS85u1saW2Kwza3FsS2jAM3LckGW8KdtfPTpHBTRKAUo49zZLuPsyGL5WduedGyAdaM3a2KPoyXuz4UbexTVUWFNypFvvgyoDS8FMxDCNoMMaD7y4yVnoDpSpVFEVZD6EuSGHe9U8Ew57xLPbjhepDx6" - - balance, success := new(big.Int).SetString("33b2e3c9fd0804000000000", 16) - if !success { - t.Fatal("Failed to initialize balance") - } - - args := core.Genesis{ - Config: ¶ms.ChainConfig{ - ChainID: big.NewInt(43110), - HomesteadBlock: big.NewInt(0), - DAOForkBlock: big.NewInt(0), - DAOForkSupport: true, - EIP150Block: big.NewInt(0), - EIP150Hash: common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"), - EIP155Block: big.NewInt(0), - EIP158Block: big.NewInt(0), - ByzantiumBlock: big.NewInt(0), - ConstantinopleBlock: big.NewInt(0), - PetersburgBlock: big.NewInt(0), - }, - Nonce: 0, - Timestamp: 0, - ExtraData: []byte{}, - GasLimit: 100000000, - Difficulty: big.NewInt(0), - Mixhash: common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), - Coinbase: common.HexToAddress("0x0000000000000000000000000000000000000000"), - Alloc: core.GenesisAlloc{ - common.HexToAddress("751a0b96e1042bee789452ecb20253fba40dbe85"): core.GenesisAccount{ - Balance: balance, - }, - }, - Number: 0, - GasUsed: 0, - ParentHash: common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), - } - - ss := StaticService{} - result, err := ss.BuildGenesis(nil, &args) - if err != nil { - t.Fatal(err) - } - - if result.String() != expected { - t.Fatalf("StaticService.BuildGenesis:\nReturned: %s\nExpected: %s", result, expected) - } -} diff --git a/plugin/evm/vm_genesis_parse_test.go b/plugin/evm/vm_genesis_parse_test.go deleted file mode 100644 index 9a113fb..0000000 --- a/plugin/evm/vm_genesis_parse_test.go +++ /dev/null @@ -1,32 +0,0 @@ -// (c) 2019-2020, Ava Labs, Inc. All rights reserved. -// See the file LICENSE for licensing terms. - -package evm - -import ( - "encoding/json" - "testing" - - "github.com/ava-labs/coreth/core" -) - -func TestParseGenesis(t *testing.T) { - genesis := []byte(`{"config":{"chainId":43110,"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":"0x33b2e3c9fd0804000000000"}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`) - - genesisBlock := new(core.Genesis) - err := json.Unmarshal(genesis, genesisBlock) - if err != nil { - t.Fatal(err) - } - - marshalledBytes, err := json.Marshal(genesisBlock) - if err != nil { - t.Fatal(err) - } - - secondGenesisBlock := new(core.Genesis) - err = json.Unmarshal(marshalledBytes, secondGenesisBlock) - if err != nil { - t.Fatal(err) - } -} diff --git a/rpc/client_example_test.go b/rpc/client_example_test.go deleted file mode 100644 index 149de2c..0000000 --- a/rpc/client_example_test.go +++ /dev/null @@ -1,88 +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 . - -package rpc_test - -import ( - "context" - "fmt" - "math/big" - "time" - - "github.com/ava-labs/go-ethereum/rpc" -) - -// In this example, our client wishes to track the latest 'block number' -// known to the server. The server supports two methods: -// -// eth_getBlockByNumber("latest", {}) -// returns the latest block object. -// -// eth_subscribe("newBlocks") -// creates a subscription which fires block objects when new blocks arrive. - -type Block struct { - Number *big.Int -} - -func ExampleClientSubscription() { - // Connect the client. - client, _ := rpc.Dial("ws://127.0.0.1:8485") - subch := make(chan Block) - - // Ensure that subch receives the latest block. - go func() { - for i := 0; ; i++ { - if i > 0 { - time.Sleep(2 * time.Second) - } - subscribeBlocks(client, subch) - } - }() - - // Print events from the subscription as they arrive. - for block := range subch { - fmt.Println("latest block:", block.Number) - } -} - -// subscribeBlocks runs in its own goroutine and maintains -// a subscription for new blocks. -func subscribeBlocks(client *rpc.Client, subch chan Block) { - ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) - defer cancel() - - // Subscribe to new blocks. - sub, err := client.EthSubscribe(ctx, subch, "newHeads") - if err != nil { - fmt.Println("subscribe error:", err) - return - } - - // The connection is established now. - // Update the channel with the current block. - var lastBlock Block - if err := client.CallContext(ctx, &lastBlock, "eth_getBlockByNumber", "latest"); err != nil { - fmt.Println("can't get latest block:", err) - return - } - subch <- lastBlock - - // The subscription will deliver events to the channel. Wait for the - // subscription to end for any reason, then loop around to re-establish - // the connection. - fmt.Println("connection lost: ", <-sub.Err()) -} diff --git a/rpc/client_test.go b/rpc/client_test.go deleted file mode 100644 index 79ea32e..0000000 --- a/rpc/client_test.go +++ /dev/null @@ -1,569 +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 . - -package rpc - -import ( - "context" - "fmt" - "math/rand" - "net" - "net/http" - "net/http/httptest" - "os" - "reflect" - "runtime" - "sync" - "testing" - "time" - - "github.com/davecgh/go-spew/spew" - "github.com/ava-labs/go-ethereum/log" -) - -func TestClientRequest(t *testing.T) { - server := newTestServer() - defer server.Stop() - client := DialInProc(server) - defer client.Close() - - var resp Result - if err := client.Call(&resp, "test_echo", "hello", 10, &Args{"world"}); err != nil { - t.Fatal(err) - } - if !reflect.DeepEqual(resp, Result{"hello", 10, &Args{"world"}}) { - t.Errorf("incorrect result %#v", resp) - } -} - -func TestClientBatchRequest(t *testing.T) { - server := newTestServer() - defer server.Stop() - client := DialInProc(server) - defer client.Close() - - batch := []BatchElem{ - { - Method: "test_echo", - Args: []interface{}{"hello", 10, &Args{"world"}}, - Result: new(Result), - }, - { - Method: "test_echo", - Args: []interface{}{"hello2", 11, &Args{"world"}}, - Result: new(Result), - }, - { - Method: "no_such_method", - Args: []interface{}{1, 2, 3}, - Result: new(int), - }, - } - if err := client.BatchCall(batch); err != nil { - t.Fatal(err) - } - wantResult := []BatchElem{ - { - Method: "test_echo", - Args: []interface{}{"hello", 10, &Args{"world"}}, - Result: &Result{"hello", 10, &Args{"world"}}, - }, - { - Method: "test_echo", - Args: []interface{}{"hello2", 11, &Args{"world"}}, - Result: &Result{"hello2", 11, &Args{"world"}}, - }, - { - Method: "no_such_method", - Args: []interface{}{1, 2, 3}, - Result: new(int), - Error: &jsonError{Code: -32601, Message: "the method no_such_method does not exist/is not available"}, - }, - } - if !reflect.DeepEqual(batch, wantResult) { - t.Errorf("batch results mismatch:\ngot %swant %s", spew.Sdump(batch), spew.Sdump(wantResult)) - } -} - -func TestClientNotify(t *testing.T) { - server := newTestServer() - defer server.Stop() - client := DialInProc(server) - defer client.Close() - - if err := client.Notify(context.Background(), "test_echo", "hello", 10, &Args{"world"}); err != nil { - t.Fatal(err) - } -} - -// func TestClientCancelInproc(t *testing.T) { testClientCancel("inproc", t) } -func TestClientCancelWebsocket(t *testing.T) { testClientCancel("ws", t) } -func TestClientCancelHTTP(t *testing.T) { testClientCancel("http", t) } -func TestClientCancelIPC(t *testing.T) { testClientCancel("ipc", t) } - -// This test checks that requests made through CallContext can be canceled by canceling -// the context. -func testClientCancel(transport string, t *testing.T) { - // These tests take a lot of time, run them all at once. - // You probably want to run with -parallel 1 or comment out - // the call to t.Parallel if you enable the logging. - t.Parallel() - - server := newTestServer() - defer server.Stop() - - // What we want to achieve is that the context gets canceled - // at various stages of request processing. The interesting cases - // are: - // - cancel during dial - // - cancel while performing a HTTP request - // - cancel while waiting for a response - // - // To trigger those, the times are chosen such that connections - // are killed within the deadline for every other call (maxKillTimeout - // is 2x maxCancelTimeout). - // - // Once a connection is dead, there is a fair chance it won't connect - // successfully because the accept is delayed by 1s. - maxContextCancelTimeout := 300 * time.Millisecond - fl := &flakeyListener{ - maxAcceptDelay: 1 * time.Second, - maxKillTimeout: 600 * time.Millisecond, - } - - var client *Client - switch transport { - case "ws", "http": - c, hs := httpTestClient(server, transport, fl) - defer hs.Close() - client = c - case "ipc": - c, l := ipcTestClient(server, fl) - defer l.Close() - client = c - default: - panic("unknown transport: " + transport) - } - - // The actual test starts here. - var ( - wg sync.WaitGroup - nreqs = 10 - ncallers = 6 - ) - caller := func(index int) { - defer wg.Done() - for i := 0; i < nreqs; i++ { - var ( - ctx context.Context - cancel func() - timeout = time.Duration(rand.Int63n(int64(maxContextCancelTimeout))) - ) - if index < ncallers/2 { - // For half of the callers, create a context without deadline - // and cancel it later. - ctx, cancel = context.WithCancel(context.Background()) - time.AfterFunc(timeout, cancel) - } else { - // For the other half, create a context with a deadline instead. This is - // different because the context deadline is used to set the socket write - // deadline. - ctx, cancel = context.WithTimeout(context.Background(), timeout) - } - // Now perform a call with the context. - // The key thing here is that no call will ever complete successfully. - sleepTime := maxContextCancelTimeout + 20*time.Millisecond - err := client.CallContext(ctx, nil, "test_sleep", sleepTime) - if err != nil { - log.Debug(fmt.Sprint("got expected error:", err)) - } else { - t.Errorf("no error for call with %v wait time", timeout) - } - cancel() - } - } - wg.Add(ncallers) - for i := 0; i < ncallers; i++ { - go caller(i) - } - wg.Wait() -} - -func TestClientSubscribeInvalidArg(t *testing.T) { - server := newTestServer() - defer server.Stop() - client := DialInProc(server) - defer client.Close() - - check := func(shouldPanic bool, arg interface{}) { - defer func() { - err := recover() - if shouldPanic && err == nil { - t.Errorf("EthSubscribe should've panicked for %#v", arg) - } - if !shouldPanic && err != nil { - t.Errorf("EthSubscribe shouldn't have panicked for %#v", arg) - buf := make([]byte, 1024*1024) - buf = buf[:runtime.Stack(buf, false)] - t.Error(err) - t.Error(string(buf)) - } - }() - client.EthSubscribe(context.Background(), arg, "foo_bar") - } - check(true, nil) - check(true, 1) - check(true, (chan int)(nil)) - check(true, make(<-chan int)) - check(false, make(chan int)) - check(false, make(chan<- int)) -} - -func TestClientSubscribe(t *testing.T) { - server := newTestServer() - defer server.Stop() - client := DialInProc(server) - defer client.Close() - - nc := make(chan int) - count := 10 - sub, err := client.Subscribe(context.Background(), "nftest", nc, "someSubscription", count, 0) - if err != nil { - t.Fatal("can't subscribe:", err) - } - for i := 0; i < count; i++ { - if val := <-nc; val != i { - t.Fatalf("value mismatch: got %d, want %d", val, i) - } - } - - sub.Unsubscribe() - select { - case v := <-nc: - t.Fatal("received value after unsubscribe:", v) - case err := <-sub.Err(): - if err != nil { - t.Fatalf("Err returned a non-nil error after explicit unsubscribe: %q", err) - } - case <-time.After(1 * time.Second): - t.Fatalf("subscription not closed within 1s after unsubscribe") - } -} - -// In this test, the connection drops while Subscribe is waiting for a response. -func TestClientSubscribeClose(t *testing.T) { - server := newTestServer() - service := ¬ificationTestService{ - gotHangSubscriptionReq: make(chan struct{}), - unblockHangSubscription: make(chan struct{}), - } - if err := server.RegisterName("nftest2", service); err != nil { - t.Fatal(err) - } - - defer server.Stop() - client := DialInProc(server) - defer client.Close() - - var ( - nc = make(chan int) - errc = make(chan error) - sub *ClientSubscription - err error - ) - go func() { - sub, err = client.Subscribe(context.Background(), "nftest2", nc, "hangSubscription", 999) - errc <- err - }() - - <-service.gotHangSubscriptionReq - client.Close() - service.unblockHangSubscription <- struct{}{} - - select { - case err := <-errc: - if err == nil { - t.Errorf("Subscribe returned nil error after Close") - } - if sub != nil { - t.Error("Subscribe returned non-nil subscription after Close") - } - case <-time.After(1 * time.Second): - t.Fatalf("Subscribe did not return within 1s after Close") - } -} - -// This test reproduces https://github.com/ethereum/go-ethereum/issues/17837 where the -// client hangs during shutdown when Unsubscribe races with Client.Close. -func TestClientCloseUnsubscribeRace(t *testing.T) { - server := newTestServer() - defer server.Stop() - - for i := 0; i < 20; i++ { - client := DialInProc(server) - nc := make(chan int) - sub, err := client.Subscribe(context.Background(), "nftest", nc, "someSubscription", 3, 1) - if err != nil { - t.Fatal(err) - } - go client.Close() - go sub.Unsubscribe() - select { - case <-sub.Err(): - case <-time.After(5 * time.Second): - t.Fatal("subscription not closed within timeout") - } - } -} - -// This test checks that Client doesn't lock up when a single subscriber -// doesn't read subscription events. -func TestClientNotificationStorm(t *testing.T) { - server := newTestServer() - defer server.Stop() - - doTest := func(count int, wantError bool) { - client := DialInProc(server) - defer client.Close() - ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) - defer cancel() - - // Subscribe on the server. It will start sending many notifications - // very quickly. - nc := make(chan int) - sub, err := client.Subscribe(ctx, "nftest", nc, "someSubscription", count, 0) - if err != nil { - t.Fatal("can't subscribe:", err) - } - defer sub.Unsubscribe() - - // Process each notification, try to run a call in between each of them. - for i := 0; i < count; i++ { - select { - case val := <-nc: - if val != i { - t.Fatalf("(%d/%d) unexpected value %d", i, count, val) - } - case err := <-sub.Err(): - if wantError && err != ErrSubscriptionQueueOverflow { - t.Fatalf("(%d/%d) got error %q, want %q", i, count, err, ErrSubscriptionQueueOverflow) - } else if !wantError { - t.Fatalf("(%d/%d) got unexpected error %q", i, count, err) - } - return - } - var r int - err := client.CallContext(ctx, &r, "nftest_echo", i) - if err != nil { - if !wantError { - t.Fatalf("(%d/%d) call error: %v", i, count, err) - } - return - } - } - if wantError { - t.Fatalf("didn't get expected error") - } - } - - doTest(8000, false) - doTest(21000, true) -} - -func TestClientHTTP(t *testing.T) { - server := newTestServer() - defer server.Stop() - - client, hs := httpTestClient(server, "http", nil) - defer hs.Close() - defer client.Close() - - // Launch concurrent requests. - var ( - results = make([]Result, 100) - errc = make(chan error) - wantResult = Result{"a", 1, new(Args)} - ) - defer client.Close() - for i := range results { - i := i - go func() { - errc <- client.Call(&results[i], "test_echo", - wantResult.String, wantResult.Int, wantResult.Args) - }() - } - - // Wait for all of them to complete. - timeout := time.NewTimer(5 * time.Second) - defer timeout.Stop() - for i := range results { - select { - case err := <-errc: - if err != nil { - t.Fatal(err) - } - case <-timeout.C: - t.Fatalf("timeout (got %d/%d) results)", i+1, len(results)) - } - } - - // Check results. - for i := range results { - if !reflect.DeepEqual(results[i], wantResult) { - t.Errorf("result %d mismatch: got %#v, want %#v", i, results[i], wantResult) - } - } -} - -func TestClientReconnect(t *testing.T) { - startServer := func(addr string) (*Server, net.Listener) { - srv := newTestServer() - l, err := net.Listen("tcp", addr) - if err != nil { - t.Fatal("can't listen:", err) - } - go http.Serve(l, srv.WebsocketHandler([]string{"*"})) - return srv, l - } - - ctx, cancel := context.WithTimeout(context.Background(), 12*time.Second) - defer cancel() - - // Start a server and corresponding client. - s1, l1 := startServer("127.0.0.1:0") - client, err := DialContext(ctx, "ws://"+l1.Addr().String()) - if err != nil { - t.Fatal("can't dial", err) - } - - // Perform a call. This should work because the server is up. - var resp Result - if err := client.CallContext(ctx, &resp, "test_echo", "", 1, nil); err != nil { - t.Fatal(err) - } - - // Shut down the server and allow for some cool down time so we can listen on the same - // address again. - l1.Close() - s1.Stop() - time.Sleep(2 * time.Second) - - // Try calling again. It shouldn't work. - if err := client.CallContext(ctx, &resp, "test_echo", "", 2, nil); err == nil { - t.Error("successful call while the server is down") - t.Logf("resp: %#v", resp) - } - - // Start it up again and call again. The connection should be reestablished. - // We spawn multiple calls here to check whether this hangs somehow. - s2, l2 := startServer(l1.Addr().String()) - defer l2.Close() - defer s2.Stop() - - start := make(chan struct{}) - errors := make(chan error, 20) - for i := 0; i < cap(errors); i++ { - go func() { - <-start - var resp Result - errors <- client.CallContext(ctx, &resp, "test_echo", "", 3, nil) - }() - } - close(start) - errcount := 0 - for i := 0; i < cap(errors); i++ { - if err = <-errors; err != nil { - errcount++ - } - } - t.Logf("%d errors, last error: %v", errcount, err) - if errcount > 1 { - t.Errorf("expected one error after disconnect, got %d", errcount) - } -} - -func httpTestClient(srv *Server, transport string, fl *flakeyListener) (*Client, *httptest.Server) { - // Create the HTTP server. - var hs *httptest.Server - switch transport { - case "ws": - hs = httptest.NewUnstartedServer(srv.WebsocketHandler([]string{"*"})) - case "http": - hs = httptest.NewUnstartedServer(srv) - default: - panic("unknown HTTP transport: " + transport) - } - // Wrap the listener if required. - if fl != nil { - fl.Listener = hs.Listener - hs.Listener = fl - } - // Connect the client. - hs.Start() - client, err := Dial(transport + "://" + hs.Listener.Addr().String()) - if err != nil { - panic(err) - } - return client, hs -} - -func ipcTestClient(srv *Server, fl *flakeyListener) (*Client, net.Listener) { - // Listen on a random endpoint. - endpoint := fmt.Sprintf("go-ethereum-test-ipc-%d-%d", os.Getpid(), rand.Int63()) - if runtime.GOOS == "windows" { - endpoint = `\\.\pipe\` + endpoint - } else { - endpoint = os.TempDir() + "/" + endpoint - } - l, err := ipcListen(endpoint) - if err != nil { - panic(err) - } - // Connect the listener to the server. - if fl != nil { - fl.Listener = l - l = fl - } - go srv.ServeListener(l) - // Connect the client. - client, err := Dial(endpoint) - if err != nil { - panic(err) - } - return client, l -} - -// flakeyListener kills accepted connections after a random timeout. -type flakeyListener struct { - net.Listener - maxKillTimeout time.Duration - maxAcceptDelay time.Duration -} - -func (l *flakeyListener) Accept() (net.Conn, error) { - delay := time.Duration(rand.Int63n(int64(l.maxAcceptDelay))) - time.Sleep(delay) - - c, err := l.Listener.Accept() - if err == nil { - timeout := time.Duration(rand.Int63n(int64(l.maxKillTimeout))) - time.AfterFunc(timeout, func() { - log.Debug(fmt.Sprintf("killing conn %v after %v", c.LocalAddr(), timeout)) - c.Close() - }) - } - return c, err -} diff --git a/rpc/http_test.go b/rpc/http_test.go deleted file mode 100644 index b3f694d..0000000 --- a/rpc/http_test.go +++ /dev/null @@ -1,54 +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 . - -package rpc - -import ( - "net/http" - "net/http/httptest" - "strings" - "testing" -) - -func TestHTTPErrorResponseWithDelete(t *testing.T) { - testHTTPErrorResponse(t, http.MethodDelete, contentType, "", http.StatusMethodNotAllowed) -} - -func TestHTTPErrorResponseWithPut(t *testing.T) { - testHTTPErrorResponse(t, http.MethodPut, contentType, "", http.StatusMethodNotAllowed) -} - -func TestHTTPErrorResponseWithMaxContentLength(t *testing.T) { - body := make([]rune, maxRequestContentLength+1) - testHTTPErrorResponse(t, - http.MethodPost, contentType, string(body), http.StatusRequestEntityTooLarge) -} - -func TestHTTPErrorResponseWithEmptyContentType(t *testing.T) { - testHTTPErrorResponse(t, http.MethodPost, "", "", http.StatusUnsupportedMediaType) -} - -func TestHTTPErrorResponseWithValidRequest(t *testing.T) { - testHTTPErrorResponse(t, http.MethodPost, contentType, "", 0) -} - -func testHTTPErrorResponse(t *testing.T, method, contentType, body string, expected int) { - request := httptest.NewRequest(method, "http://url.com", strings.NewReader(body)) - request.Header.Set("content-type", contentType) - if code, _ := validateRequest(request); code != expected { - t.Fatalf("response code should be %d not %d", expected, code) - } -} diff --git a/rpc/server_test.go b/rpc/server_test.go deleted file mode 100644 index 3909954..0000000 --- a/rpc/server_test.go +++ /dev/null @@ -1,152 +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 . - -package rpc - -import ( - "bufio" - "bytes" - "io" - "io/ioutil" - "net" - "path/filepath" - "strings" - "testing" - "time" -) - -func TestServerRegisterName(t *testing.T) { - server := NewServer() - service := new(testService) - - if err := server.RegisterName("test", service); err != nil { - t.Fatalf("%v", err) - } - - if len(server.services.services) != 2 { - t.Fatalf("Expected 2 service entries, got %d", len(server.services.services)) - } - - svc, ok := server.services.services["test"] - if !ok { - t.Fatalf("Expected service calc to be registered") - } - - wantCallbacks := 7 - if len(svc.callbacks) != wantCallbacks { - t.Errorf("Expected %d callbacks for service 'service', got %d", wantCallbacks, len(svc.callbacks)) - } -} - -func TestServer(t *testing.T) { - files, err := ioutil.ReadDir("testdata") - if err != nil { - t.Fatal("where'd my testdata go?") - } - for _, f := range files { - if f.IsDir() || strings.HasPrefix(f.Name(), ".") { - continue - } - path := filepath.Join("testdata", f.Name()) - name := strings.TrimSuffix(f.Name(), filepath.Ext(f.Name())) - t.Run(name, func(t *testing.T) { - runTestScript(t, path) - }) - } -} - -func runTestScript(t *testing.T, file string) { - server := newTestServer() - content, err := ioutil.ReadFile(file) - if err != nil { - t.Fatal(err) - } - - clientConn, serverConn := net.Pipe() - defer clientConn.Close() - go server.ServeCodec(NewJSONCodec(serverConn), OptionMethodInvocation|OptionSubscriptions) - readbuf := bufio.NewReader(clientConn) - for _, line := range strings.Split(string(content), "\n") { - line = strings.TrimSpace(line) - switch { - case len(line) == 0 || strings.HasPrefix(line, "//"): - // skip comments, blank lines - continue - case strings.HasPrefix(line, "--> "): - t.Log(line) - // write to connection - clientConn.SetWriteDeadline(time.Now().Add(5 * time.Second)) - if _, err := io.WriteString(clientConn, line[4:]+"\n"); err != nil { - t.Fatalf("write error: %v", err) - } - case strings.HasPrefix(line, "<-- "): - t.Log(line) - want := line[4:] - // read line from connection and compare text - clientConn.SetReadDeadline(time.Now().Add(5 * time.Second)) - sent, err := readbuf.ReadString('\n') - if err != nil { - t.Fatalf("read error: %v", err) - } - sent = strings.TrimRight(sent, "\r\n") - if sent != want { - t.Errorf("wrong line from server\ngot: %s\nwant: %s", sent, want) - } - default: - panic("invalid line in test script: " + line) - } - } -} - -// This test checks that responses are delivered for very short-lived connections that -// only carry a single request. -func TestServerShortLivedConn(t *testing.T) { - server := newTestServer() - defer server.Stop() - - listener, err := net.Listen("tcp", "127.0.0.1:0") - if err != nil { - t.Fatal("can't listen:", err) - } - defer listener.Close() - go server.ServeListener(listener) - - var ( - request = `{"jsonrpc":"2.0","id":1,"method":"rpc_modules"}` + "\n" - wantResp = `{"jsonrpc":"2.0","id":1,"result":{"nftest":"1.0","rpc":"1.0","test":"1.0"}}` + "\n" - deadline = time.Now().Add(10 * time.Second) - ) - for i := 0; i < 20; i++ { - conn, err := net.Dial("tcp", listener.Addr().String()) - if err != nil { - t.Fatal("can't dial:", err) - } - defer conn.Close() - conn.SetDeadline(deadline) - // Write the request, then half-close the connection so the server stops reading. - conn.Write([]byte(request)) - conn.(*net.TCPConn).CloseWrite() - // Now try to get the response. - buf := make([]byte, 2000) - n, err := conn.Read(buf) - if err != nil { - t.Fatal("read error:", err) - } - if !bytes.Equal(buf[:n], []byte(wantResp)) { - t.Fatalf("wrong response: %s", buf[:n]) - } - } -} diff --git a/rpc/subscription_test.go b/rpc/subscription_test.go deleted file mode 100644 index eba1924..0000000 --- a/rpc/subscription_test.go +++ /dev/null @@ -1,206 +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 . - -package rpc - -import ( - "encoding/json" - "fmt" - "net" - "strings" - "testing" - "time" -) - -func TestNewID(t *testing.T) { - hexchars := "0123456789ABCDEFabcdef" - for i := 0; i < 100; i++ { - id := string(NewID()) - if !strings.HasPrefix(id, "0x") { - t.Fatalf("invalid ID prefix, want '0x...', got %s", id) - } - - id = id[2:] - if len(id) == 0 || len(id) > 32 { - t.Fatalf("invalid ID length, want len(id) > 0 && len(id) <= 32), got %d", len(id)) - } - - for i := 0; i < len(id); i++ { - if strings.IndexByte(hexchars, id[i]) == -1 { - t.Fatalf("unexpected byte, want any valid hex char, got %c", id[i]) - } - } - } -} - -func TestSubscriptions(t *testing.T) { - var ( - namespaces = []string{"eth", "shh", "bzz"} - service = ¬ificationTestService{} - subCount = len(namespaces) - notificationCount = 3 - - server = NewServer() - clientConn, serverConn = net.Pipe() - out = json.NewEncoder(clientConn) - in = json.NewDecoder(clientConn) - successes = make(chan subConfirmation) - notifications = make(chan subscriptionResult) - errors = make(chan error, subCount*notificationCount+1) - ) - - // setup and start server - for _, namespace := range namespaces { - if err := server.RegisterName(namespace, service); err != nil { - t.Fatalf("unable to register test service %v", err) - } - } - go server.ServeCodec(NewJSONCodec(serverConn), OptionMethodInvocation|OptionSubscriptions) - defer server.Stop() - - // wait for message and write them to the given channels - go waitForMessages(in, successes, notifications, errors) - - // create subscriptions one by one - for i, namespace := range namespaces { - request := map[string]interface{}{ - "id": i, - "method": fmt.Sprintf("%s_subscribe", namespace), - "version": "2.0", - "params": []interface{}{"someSubscription", notificationCount, i}, - } - if err := out.Encode(&request); err != nil { - t.Fatalf("Could not create subscription: %v", err) - } - } - - timeout := time.After(30 * time.Second) - subids := make(map[string]string, subCount) - count := make(map[string]int, subCount) - allReceived := func() bool { - done := len(count) == subCount - for _, c := range count { - if c < notificationCount { - done = false - } - } - return done - } - for !allReceived() { - select { - case confirmation := <-successes: // subscription created - subids[namespaces[confirmation.reqid]] = string(confirmation.subid) - case notification := <-notifications: - count[notification.ID]++ - case err := <-errors: - t.Fatal(err) - case <-timeout: - for _, namespace := range namespaces { - subid, found := subids[namespace] - if !found { - t.Errorf("subscription for %q not created", namespace) - continue - } - if count, found := count[subid]; !found || count < notificationCount { - t.Errorf("didn't receive all notifications (%d<%d) in time for namespace %q", count, notificationCount, namespace) - } - } - t.Fatal("timed out") - } - } -} - -// This test checks that unsubscribing works. -func TestServerUnsubscribe(t *testing.T) { - // Start the server. - server := newTestServer() - service := ¬ificationTestService{unsubscribed: make(chan string)} - server.RegisterName("nftest2", service) - p1, p2 := net.Pipe() - go server.ServeCodec(NewJSONCodec(p1), OptionMethodInvocation|OptionSubscriptions) - - p2.SetDeadline(time.Now().Add(10 * time.Second)) - - // Subscribe. - p2.Write([]byte(`{"jsonrpc":"2.0","id":1,"method":"nftest2_subscribe","params":["someSubscription",0,10]}`)) - - // Handle received messages. - resps := make(chan subConfirmation) - notifications := make(chan subscriptionResult) - errors := make(chan error) - go waitForMessages(json.NewDecoder(p2), resps, notifications, errors) - - // Receive the subscription ID. - var sub subConfirmation - select { - case sub = <-resps: - case err := <-errors: - t.Fatal(err) - } - - // Unsubscribe and check that it is handled on the server side. - p2.Write([]byte(`{"jsonrpc":"2.0","method":"nftest2_unsubscribe","params":["` + sub.subid + `"]}`)) - for { - select { - case id := <-service.unsubscribed: - if id != string(sub.subid) { - t.Errorf("wrong subscription ID unsubscribed") - } - return - case err := <-errors: - t.Fatal(err) - case <-notifications: - // drop notifications - } - } -} - -type subConfirmation struct { - reqid int - subid ID -} - -func waitForMessages(in *json.Decoder, successes chan subConfirmation, notifications chan subscriptionResult, errors chan error) { - for { - var msg jsonrpcMessage - if err := in.Decode(&msg); err != nil { - errors <- fmt.Errorf("decode error: %v", err) - return - } - switch { - case msg.isNotification(): - var res subscriptionResult - if err := json.Unmarshal(msg.Params, &res); err != nil { - errors <- fmt.Errorf("invalid subscription result: %v", err) - } else { - notifications <- res - } - case msg.isResponse(): - var c subConfirmation - if msg.Error != nil { - errors <- msg.Error - } else if err := json.Unmarshal(msg.Result, &c.subid); err != nil { - errors <- fmt.Errorf("invalid response: %v", err) - } else { - json.Unmarshal(msg.ID, &c.reqid) - successes <- c - } - default: - errors <- fmt.Errorf("unrecognized message: %v", msg) - return - } - } -} diff --git a/rpc/testservice_test.go b/rpc/testservice_test.go deleted file mode 100644 index 98871b5..0000000 --- a/rpc/testservice_test.go +++ /dev/null @@ -1,180 +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 . - -package rpc - -import ( - "context" - "encoding/binary" - "errors" - "sync" - "time" -) - -func newTestServer() *Server { - server := NewServer() - server.idgen = sequentialIDGenerator() - if err := server.RegisterName("test", new(testService)); err != nil { - panic(err) - } - if err := server.RegisterName("nftest", new(notificationTestService)); err != nil { - panic(err) - } - return server -} - -func sequentialIDGenerator() func() ID { - var ( - mu sync.Mutex - counter uint64 - ) - return func() ID { - mu.Lock() - defer mu.Unlock() - counter++ - id := make([]byte, 8) - binary.BigEndian.PutUint64(id, counter) - return encodeID(id) - } -} - -type testService struct{} - -type Args struct { - S string -} - -type Result struct { - String string - Int int - Args *Args -} - -func (s *testService) NoArgsRets() {} - -func (s *testService) Echo(str string, i int, args *Args) Result { - return Result{str, i, args} -} - -func (s *testService) EchoWithCtx(ctx context.Context, str string, i int, args *Args) Result { - return Result{str, i, args} -} - -func (s *testService) Sleep(ctx context.Context, duration time.Duration) { - time.Sleep(duration) -} - -func (s *testService) Rets() (string, error) { - return "", nil -} - -func (s *testService) InvalidRets1() (error, string) { - return nil, "" -} - -func (s *testService) InvalidRets2() (string, string) { - return "", "" -} - -func (s *testService) InvalidRets3() (string, string, error) { - return "", "", nil -} - -func (s *testService) CallMeBack(ctx context.Context, method string, args []interface{}) (interface{}, error) { - c, ok := ClientFromContext(ctx) - if !ok { - return nil, errors.New("no client") - } - var result interface{} - err := c.Call(&result, method, args...) - return result, err -} - -func (s *testService) CallMeBackLater(ctx context.Context, method string, args []interface{}) error { - c, ok := ClientFromContext(ctx) - if !ok { - return errors.New("no client") - } - go func() { - <-ctx.Done() - var result interface{} - c.Call(&result, method, args...) - }() - return nil -} - -func (s *testService) Subscription(ctx context.Context) (*Subscription, error) { - return nil, nil -} - -type notificationTestService struct { - unsubscribed chan string - gotHangSubscriptionReq chan struct{} - unblockHangSubscription chan struct{} -} - -func (s *notificationTestService) Echo(i int) int { - return i -} - -func (s *notificationTestService) Unsubscribe(subid string) { - if s.unsubscribed != nil { - s.unsubscribed <- subid - } -} - -func (s *notificationTestService) SomeSubscription(ctx context.Context, n, val int) (*Subscription, error) { - notifier, supported := NotifierFromContext(ctx) - if !supported { - return nil, ErrNotificationsUnsupported - } - - // By explicitly creating an subscription we make sure that the subscription id is send - // back to the client before the first subscription.Notify is called. Otherwise the - // events might be send before the response for the *_subscribe method. - subscription := notifier.CreateSubscription() - go func() { - for i := 0; i < n; i++ { - if err := notifier.Notify(subscription.ID, val+i); err != nil { - return - } - } - select { - case <-notifier.Closed(): - case <-subscription.Err(): - } - if s.unsubscribed != nil { - s.unsubscribed <- string(subscription.ID) - } - }() - return subscription, nil -} - -// HangSubscription blocks on s.unblockHangSubscription before sending anything. -func (s *notificationTestService) HangSubscription(ctx context.Context, val int) (*Subscription, error) { - notifier, supported := NotifierFromContext(ctx) - if !supported { - return nil, ErrNotificationsUnsupported - } - s.gotHangSubscriptionReq <- struct{}{} - <-s.unblockHangSubscription - subscription := notifier.CreateSubscription() - - go func() { - notifier.Notify(subscription.ID, val) - }() - return subscription, nil -} diff --git a/rpc/types_test.go b/rpc/types_test.go deleted file mode 100644 index 0465849..0000000 --- a/rpc/types_test.go +++ /dev/null @@ -1,66 +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 . - -package rpc - -import ( - "encoding/json" - "testing" - - "github.com/ava-labs/go-ethereum/common/math" -) - -func TestBlockNumberJSONUnmarshal(t *testing.T) { - tests := []struct { - input string - mustFail bool - expected BlockNumber - }{ - 0: {`"0x"`, true, BlockNumber(0)}, - 1: {`"0x0"`, false, BlockNumber(0)}, - 2: {`"0X1"`, false, BlockNumber(1)}, - 3: {`"0x00"`, true, BlockNumber(0)}, - 4: {`"0x01"`, true, BlockNumber(0)}, - 5: {`"0x1"`, false, BlockNumber(1)}, - 6: {`"0x12"`, false, BlockNumber(18)}, - 7: {`"0x7fffffffffffffff"`, false, BlockNumber(math.MaxInt64)}, - 8: {`"0x8000000000000000"`, true, BlockNumber(0)}, - 9: {"0", true, BlockNumber(0)}, - 10: {`"ff"`, true, BlockNumber(0)}, - 11: {`"pending"`, false, PendingBlockNumber}, - 12: {`"latest"`, false, LatestBlockNumber}, - 13: {`"earliest"`, false, EarliestBlockNumber}, - 14: {`someString`, true, BlockNumber(0)}, - 15: {`""`, true, BlockNumber(0)}, - 16: {``, true, BlockNumber(0)}, - } - - for i, test := range tests { - var num BlockNumber - err := json.Unmarshal([]byte(test.input), &num) - if test.mustFail && err == nil { - t.Errorf("Test %d should fail", i) - continue - } - if !test.mustFail && err != nil { - t.Errorf("Test %d should pass but got err: %v", i, err) - continue - } - if num != test.expected { - t.Errorf("Test %d got unexpected value, want %d, got %d", i, test.expected, num) - } - } -} diff --git a/rpc/websocket_test.go b/rpc/websocket_test.go deleted file mode 100644 index 9dc1084..0000000 --- a/rpc/websocket_test.go +++ /dev/null @@ -1,259 +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 . - -package rpc - -import ( - "context" - "net" - "net/http" - "net/http/httptest" - "reflect" - "strings" - "testing" - "time" - - "github.com/gorilla/websocket" -) - -func TestWebsocketClientHeaders(t *testing.T) { - t.Parallel() - - endpoint, header, err := wsClientHeaders("wss://testuser:test-PASS_01@example.com:1234", "https://example.com") - if err != nil { - t.Fatalf("wsGetConfig failed: %s", err) - } - if endpoint != "wss://example.com:1234" { - t.Fatal("User should have been stripped from the URL") - } - if header.Get("authorization") != "Basic dGVzdHVzZXI6dGVzdC1QQVNTXzAx" { - t.Fatal("Basic auth header is incorrect") - } - if header.Get("origin") != "https://example.com" { - t.Fatal("Origin not set") - } -} - -// This test checks that the server rejects connections from disallowed origins. -func TestWebsocketOriginCheck(t *testing.T) { - t.Parallel() - - var ( - srv = newTestServer() - httpsrv = httptest.NewServer(srv.WebsocketHandler([]string{"http://example.com"})) - wsURL = "ws:" + strings.TrimPrefix(httpsrv.URL, "http:") - ) - defer srv.Stop() - defer httpsrv.Close() - - client, err := DialWebsocket(context.Background(), wsURL, "http://ekzample.com") - if err == nil { - client.Close() - t.Fatal("no error for wrong origin") - } - wantErr := wsHandshakeError{websocket.ErrBadHandshake, "403 Forbidden"} - if !reflect.DeepEqual(err, wantErr) { - t.Fatalf("wrong error for wrong origin: %q", err) - } - - // Connections without origin header should work. - client, err = DialWebsocket(context.Background(), wsURL, "") - if err != nil { - t.Fatal("error for empty origin") - } - client.Close() -} - -// This test checks whether calls exceeding the request size limit are rejected. -func TestWebsocketLargeCall(t *testing.T) { - t.Parallel() - - var ( - srv = newTestServer() - httpsrv = httptest.NewServer(srv.WebsocketHandler([]string{"*"})) - wsURL = "ws:" + strings.TrimPrefix(httpsrv.URL, "http:") - ) - defer srv.Stop() - defer httpsrv.Close() - - client, err := DialWebsocket(context.Background(), wsURL, "") - if err != nil { - t.Fatalf("can't dial: %v", err) - } - defer client.Close() - - // This call sends slightly less than the limit and should work. - var result Result - arg := strings.Repeat("x", maxRequestContentLength-200) - if err := client.Call(&result, "test_echo", arg, 1); err != nil { - t.Fatalf("valid call didn't work: %v", err) - } - if result.String != arg { - t.Fatal("wrong string echoed") - } - - // This call sends twice the allowed size and shouldn't work. - arg = strings.Repeat("x", maxRequestContentLength*2) - err = client.Call(&result, "test_echo", arg) - if err == nil { - t.Fatal("no error for too large call") - } -} - -// This test checks that client handles WebSocket ping frames correctly. -func TestClientWebsocketPing(t *testing.T) { - t.Parallel() - - var ( - sendPing = make(chan struct{}) - server = wsPingTestServer(t, sendPing) - ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second) - ) - defer cancel() - defer server.Shutdown(ctx) - - client, err := DialContext(ctx, "ws://"+server.Addr) - if err != nil { - t.Fatalf("client dial error: %v", err) - } - resultChan := make(chan int) - sub, err := client.EthSubscribe(ctx, resultChan, "foo") - if err != nil { - t.Fatalf("client subscribe error: %v", err) - } - - // Wait for the context's deadline to be reached before proceeding. - // This is important for reproducing https://github.com/ethereum/go-ethereum/issues/19798 - <-ctx.Done() - close(sendPing) - - // Wait for the subscription result. - timeout := time.NewTimer(5 * time.Second) - for { - select { - case err := <-sub.Err(): - t.Error("client subscription error:", err) - case result := <-resultChan: - t.Log("client got result:", result) - return - case <-timeout.C: - t.Error("didn't get any result within the test timeout") - return - } - } -} - -// wsPingTestServer runs a WebSocket server which accepts a single subscription request. -// When a value arrives on sendPing, the server sends a ping frame, waits for a matching -// pong and finally delivers a single subscription result. -func wsPingTestServer(t *testing.T, sendPing <-chan struct{}) *http.Server { - var srv http.Server - shutdown := make(chan struct{}) - srv.RegisterOnShutdown(func() { - close(shutdown) - }) - srv.Handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - // Upgrade to WebSocket. - upgrader := websocket.Upgrader{ - CheckOrigin: func(r *http.Request) bool { return true }, - } - conn, err := upgrader.Upgrade(w, r, nil) - if err != nil { - t.Errorf("server WS upgrade error: %v", err) - return - } - defer conn.Close() - - // Handle the connection. - wsPingTestHandler(t, conn, shutdown, sendPing) - }) - - // Start the server. - listener, err := net.Listen("tcp", "127.0.0.1:0") - if err != nil { - t.Fatal("can't listen:", err) - } - srv.Addr = listener.Addr().String() - go srv.Serve(listener) - return &srv -} - -func wsPingTestHandler(t *testing.T, conn *websocket.Conn, shutdown, sendPing <-chan struct{}) { - // Canned responses for the eth_subscribe call in TestClientWebsocketPing. - const ( - subResp = `{"jsonrpc":"2.0","id":1,"result":"0x00"}` - subNotify = `{"jsonrpc":"2.0","method":"eth_subscription","params":{"subscription":"0x00","result":1}}` - ) - - // Handle subscribe request. - if _, _, err := conn.ReadMessage(); err != nil { - t.Errorf("server read error: %v", err) - return - } - if err := conn.WriteMessage(websocket.TextMessage, []byte(subResp)); err != nil { - t.Errorf("server write error: %v", err) - return - } - - // Read from the connection to process control messages. - var pongCh = make(chan string) - conn.SetPongHandler(func(d string) error { - t.Logf("server got pong: %q", d) - pongCh <- d - return nil - }) - go func() { - for { - typ, msg, err := conn.ReadMessage() - if err != nil { - return - } - t.Logf("server got message (%d): %q", typ, msg) - } - }() - - // Write messages. - var ( - sendResponse <-chan time.Time - wantPong string - ) - for { - select { - case _, open := <-sendPing: - if !open { - sendPing = nil - } - t.Logf("server sending ping") - conn.WriteMessage(websocket.PingMessage, []byte("ping")) - wantPong = "ping" - case data := <-pongCh: - if wantPong == "" { - t.Errorf("unexpected pong") - } else if data != wantPong { - t.Errorf("got pong with wrong data %q", data) - } - wantPong = "" - sendResponse = time.NewTimer(200 * time.Millisecond).C - case <-sendResponse: - t.Logf("server sending response") - conn.WriteMessage(websocket.TextMessage, []byte(subNotify)) - sendResponse = nil - case <-shutdown: - conn.Close() - return - } - } -} -- cgit v1.2.3-70-g09d2 From fbe0f2d6b14d7b6fc43068e224412d4e65176550 Mon Sep 17 00:00:00 2001 From: Determinant Date: Tue, 30 Jun 2020 20:56:12 -0400 Subject: test multi-coin smart contracts --- core/state/statedb.go | 3 +- core/state_transition.go | 1 - examples/multicoin/main.go | 87 ++++++++++++++++++++++++++++------------------ 3 files changed, 56 insertions(+), 35 deletions(-) (limited to 'core/state') diff --git a/core/state/statedb.go b/core/state/statedb.go index 1d3207d..9c7535b 100644 --- a/core/state/statedb.go +++ b/core/state/statedb.go @@ -41,6 +41,7 @@ type revision struct { 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) @@ -239,7 +240,7 @@ 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 { + if stateObject.data.Root != emptyRoot && stateObject.data.Root != zeroRoot { return errors.New("not a fresh account") } if !stateObject.EnableMultiCoin() { diff --git a/core/state_transition.go b/core/state_transition.go index 139289f..7a48597 100644 --- a/core/state_transition.go +++ b/core/state_transition.go @@ -219,7 +219,6 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo if contractCreation { ret, _, st.gas, vmerr = evm.Create(sender, st.data, st.gas, st.value) } else { - log.Debug("here2") // Increment the nonce for the next transaction st.state.SetNonce(msg.From(), st.state.GetNonce(sender.Address())+1) ret, st.gas, vmerr = evm.CallExpert(sender, st.to(), st.data, st.gas, st.value, st.coinID, st.value2) diff --git a/examples/multicoin/main.go b/examples/multicoin/main.go index 3e42010..b226703 100644 --- a/examples/multicoin/main.go +++ b/examples/multicoin/main.go @@ -6,28 +6,30 @@ 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/eth" - //"github.com/ava-labs/coreth/accounts/abi" "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/common/compiler" "github.com/ava-labs/go-ethereum/crypto" "github.com/ava-labs/go-ethereum/log" "go/build" "math/big" "os" "os/signal" - "path/filepath" - //"strings" + //"path/filepath" + "strings" "syscall" "time" ) var ( - codeHex = "6101c7610026600b82828239805160001a60731461001957fe5b30600052607381538281f3fe730000000000000000000000000000000000000000301460806040526004361061004b5760003560e01c80631e01043914610050578063abb24ba014610092578063b6510bb3146100a9575b600080fd5b61007c6004803603602081101561006657600080fd5b8101908080359060200190929190505050610118565b6040518082815260200191505060405180910390f35b81801561009e57600080fd5b506100a761013b565b005b8180156100b557600080fd5b50610116600480360360808110156100cc57600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190803590602001909291908035906020019092919050505061013e565b005b60003373ffffffffffffffffffffffffffffffffffffffff1682905d9050919050565b5c565b8373ffffffffffffffffffffffffffffffffffffffff1681836108fc8690811502906040516000604051808303818888878c8af69550505050505015801561018a573d6000803e3d6000fd5b505050505056fea26469706673582212204e4689067358d8e82903012dcaca0c004d36e39fc99360919fb824c4ce718bdd64736f6c634300060a0033" - codeABI = `[{"inputs":[{"internalType":"uint256","name":"coinid","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]` + mcLibCode = "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" + mcLibAddr = "0xDCb165540502E5d32F89382175150013D6644A69" + testContract = "608060405234801561001057600080fd5b5073dcb165540502e5d32f89382175150013d6644a6963abb24ba06040518163ffffffff1660e01b815260040160006040518083038186803b15801561005557600080fd5b505af4158015610069573d6000803e3d6000fd5b505050506101528061007c6000396000f3fe6080604052600436106100295760003560e01c80631e0104391461002e578063d0e30db01461007d575b600080fd5b34801561003a57600080fd5b506100676004803603602081101561005157600080fd5b8101908080359060200190929190505050610087565b6040518082815260200191505060405180910390f35b61008561011a565b005b600073dcb165540502e5d32f89382175150013d6644a69631e010439836040518263ffffffff1660e01b81526004018082815260200191505060206040518083038186803b1580156100d857600080fd5b505af41580156100ec573d6000803e3d6000fd5b505050506040513d602081101561010257600080fd5b81019080805190602001909291905050509050919050565b56fea26469706673582212204e41dc04c9409d8c06804429d6a03f2d6bca46de6073522300ea08f8ed4a90ac64736f6c634300060a0033" + testContractABI = `[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"coinid","type":"uint256"}],"name":"getBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]` ) func checkError(err error) { @@ -99,25 +101,23 @@ func main() { chain := coreth.NewETHChain(&config, nil, nil, nil) newTxPoolHeadChan := make(chan core.NewTxPoolHeadEvent, 1) log.Info(chain.GetGenesisBlock().Hash().Hex()) - firstBlock := false var contractAddr common.Address + var contractAddr1 common.Address coin0 := common.HexToHash("0x0") - //var calls [][]byte postGen := func(block *types.Block) bool { if blockCount == 15 { state, err := chain.CurrentState() checkError(err) log.Info(fmt.Sprintf("genesis balance = %s", state.GetBalance(genKey.Address))) log.Info(fmt.Sprintf("genesis balance2 = %s", state.GetBalanceMultiCoin(genKey.Address, coin0))) - log.Info(fmt.Sprintf("contract balance = %s", state.GetBalance(contractAddr))) + log.Info(fmt.Sprintf("contract balance2 = %s", state.GetBalanceMultiCoin(contractAddr1, coin0))) log.Info(fmt.Sprintf("bob's balance = %s", state.GetBalance(bob.Address))) log.Info(fmt.Sprintf("bob's balance2 = %s", state.GetBalanceMultiCoin(bob.Address, coin0))) log.Info(fmt.Sprintf("state = %s", state.Dump(true, false, true))) log.Info(fmt.Sprintf("x = %s", state.GetState(contractAddr, common.BigToHash(big.NewInt(0))).String())) return true } - if !firstBlock { - firstBlock = true + if blockCount == 1 { receipts := chain.GetReceiptsByHash(block.Hash()) if len(receipts) != 1 { panic(fmt.Sprintf("# receipts is %d != 1", len(receipts))) @@ -126,14 +126,20 @@ func main() { txHash := receipts[0].TxHash log.Info(fmt.Sprintf("deploy tx = %s", txHash.String())) log.Info(fmt.Sprintf("contract addr = %s", contractAddr.String())) - //var call []byte - //if len(calls) > 0 { - // call = calls[0] - // calls = calls[1:] - //} else { - // call = nil - //} - //state, _ := chain.CurrentState() + code := common.Hex2Bytes(testContract) + tx := types.NewContractCreation(nonce, big.NewInt(0), uint64(gasLimit), gasPrice, code) + signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) + checkError(err) + chain.AddRemoteTxs([]*types.Transaction{signedTx}) + nonce++ + } else if blockCount == 2 { + receipts := chain.GetReceiptsByHash(block.Hash()) + if len(receipts) != 1 { + panic(fmt.Sprintf("# receipts is %d != 1", len(receipts))) + } + contractAddr1 = receipts[0].ContractAddress + fmt.Println("contract", contractAddr1.Hex()) + //call := common.Hex2Bytes("1003e2d20000000000000000000000000000000000000000000000000000000000000001") //log.Info(fmt.Sprintf("code = %s", hex.EncodeToString(state.GetCode(contractAddr)))) go func() { @@ -152,13 +158,26 @@ func main() { chain.AddRemoteTxs([]*types.Transaction{signedTx}) time.Sleep(20 * time.Millisecond) - for i := 0; i < 10; i++ { - tx := types.NewTransaction(nonce, bob.Address, big.NewInt(10000000000000000), uint64(gasLimit), gasPrice, nil) + var code []byte + abi, err := abi.JSON(strings.NewReader(testContractABI)) + checkError(err) + code, err = abi.Pack("deposit") + checkError(err) + + for i := 0; i < 5; i++ { + tx := types.NewTransaction(nonce, bob.Address, big.NewInt(0), uint64(gasLimit), gasPrice, nil) tx.SetMultiCoinValue(&coin0, big.NewInt(100000000000000000)) signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) checkError(err) chain.AddRemoteTxs([]*types.Transaction{signedTx}) nonce++ + + tx = types.NewTransaction(nonce, contractAddr1, big.NewInt(0), uint64(gasLimit), gasPrice, code) + tx.SetMultiCoinValue(&coin0, big.NewInt(100000000000000000)) + signedTx, err = types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) + checkError(err) + chain.AddRemoteTxs([]*types.Transaction{signedTx}) + nonce++ } }() } @@ -189,25 +208,27 @@ func main() { chain.GetTxPool().SubscribeNewHeadEvent(newTxPoolHeadChan) chain.Start() - //code := common.Hex2Bytes(codeHex) - counterSrc, err := filepath.Abs(gopath + "/src/github.com/ava-labs/coreth/examples/counter/counter.sol") - checkError(err) - contracts, err := compiler.CompileSolidity("", counterSrc) - checkError(err) - contract, _ := contracts[fmt.Sprintf("%s:%s", counterSrc, "Counter")] - code := common.Hex2Bytes(contract.Code[2:]) - - //abi, err := abi.JSON(strings.NewReader(codeABI)) - //cc, err := abi.Pack("getBalance", big.NewInt(0)) + //cc, err := abi.Pack("enableMultiCoin") + //checkError(err) + //calls = append(calls, cc) + //cc, err = abi.Pack("getBalance", big.NewInt(0)) //checkError(err) //calls = append(calls, cc) + + code := common.Hex2Bytes(mcLibCode) tx := types.NewContractCreation(nonce, big.NewInt(0), uint64(gasLimit), gasPrice, code) signedTx, err := types.SignTx(tx, types.NewEIP155Signer(chainID), genKey.PrivateKey) checkError(err) chain.AddRemoteTxs([]*types.Transaction{signedTx}) - time.Sleep(1000 * time.Millisecond) nonce++ + //counterSrc, err := filepath.Abs(gopath + "/src/github.com/ava-labs/coreth/examples/counter/counter.sol") + //checkError(err) + //contracts, err := compiler.CompileSolidity("", counterSrc) + //checkError(err) + //contract, _ := contracts[fmt.Sprintf("%s:%s", counterSrc, "Counter")] + //code := common.Hex2Bytes(contract.Code[2:]) + time.Sleep(10 * time.Millisecond) chain.GenBlock() c := make(chan os.Signal, 1) -- cgit v1.2.3-70-g09d2