mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-08-20 02:42:27 +00:00
core/state: revert StateDB receiver name using <self>
This commit is contained in:
shuai.qi
parent
e1c3b26e41
commit
772ee0dd62
3 changed files with 194 additions and 194 deletions
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@ -39,15 +39,15 @@ type Dump struct {
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Accounts map[string]DumpAccount `json:"accounts"`
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}
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func (db *StateDB) RawDump() Dump {
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func (self *StateDB) RawDump() Dump {
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dump := Dump{
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Root: fmt.Sprintf("%x", db.trie.Hash()),
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Root: fmt.Sprintf("%x", self.trie.Hash()),
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Accounts: make(map[string]DumpAccount),
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}
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it := trie.NewIterator(db.trie.NodeIterator(nil))
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it := trie.NewIterator(self.trie.NodeIterator(nil))
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for it.Next() {
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addr := db.trie.GetKey(it.Key)
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addr := self.trie.GetKey(it.Key)
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var data Account
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if err := rlp.DecodeBytes(it.Value, &data); err != nil {
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panic(err)
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@ -59,20 +59,20 @@ func (db *StateDB) RawDump() Dump {
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Nonce: data.Nonce,
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Root: common.Bytes2Hex(data.Root[:]),
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CodeHash: common.Bytes2Hex(data.CodeHash),
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Code: common.Bytes2Hex(obj.Code(db.db)),
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Code: common.Bytes2Hex(obj.Code(self.db)),
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Storage: make(map[string]string),
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}
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storageIt := trie.NewIterator(obj.getTrie(db.db).NodeIterator(nil))
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storageIt := trie.NewIterator(obj.getTrie(self.db).NodeIterator(nil))
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for storageIt.Next() {
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account.Storage[common.Bytes2Hex(db.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(storageIt.Value)
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account.Storage[common.Bytes2Hex(self.trie.GetKey(storageIt.Key))] = common.Bytes2Hex(storageIt.Value)
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}
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dump.Accounts[common.Bytes2Hex(addr)] = account
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}
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return dump
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}
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func (db *StateDB) Dump() []byte {
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json, err := json.MarshalIndent(db.RawDump(), "", " ")
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func (self *StateDB) Dump() []byte {
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json, err := json.MarshalIndent(self.RawDump(), "", " ")
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if err != nil {
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fmt.Println("dump err", err)
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}
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@ -103,7 +103,7 @@ type Account struct {
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}
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// newObject creates a state object.
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func newObject(db *StateDB, address common.Address, data Account) *stateObject {
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func newObject(stateDB *StateDB, address common.Address, data Account) *stateObject {
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if data.Balance == nil {
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data.Balance = new(big.Int)
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}
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@ -111,7 +111,7 @@ func newObject(db *StateDB, address common.Address, data Account) *stateObject {
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data.CodeHash = emptyCodeHash
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}
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return &stateObject{
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db: db,
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db: stateDB,
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address: address,
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addrHash: crypto.Keccak256Hash(address[:]),
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data: data,
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@ -296,10 +296,10 @@ func (s *stateObject) setBalance(amount *big.Int) {
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// Return the gas back to the origin. Used by the Virtual machine or Closures
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func (s *stateObject) ReturnGas(gas *big.Int) {}
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func (s *stateObject) deepCopy(db *StateDB) *stateObject {
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stateObject := newObject(db, s.address, s.data)
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func (s *stateObject) deepCopy(stateDB *StateDB) *stateObject {
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stateObject := newObject(stateDB, s.address, s.data)
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if s.trie != nil {
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stateObject.trie = db.db.CopyTrie(s.trie)
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stateObject.trie = stateDB.db.CopyTrie(s.trie)
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}
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stateObject.code = s.code
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stateObject.dirtyStorage = s.dirtyStorage.Copy()
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@ -106,114 +106,114 @@ func New(root common.Hash, db Database) (*StateDB, error) {
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}
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// setError remembers the first non-nil error it is called with.
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func (db *StateDB) setError(err error) {
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if db.dbErr == nil {
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db.dbErr = err
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func (self *StateDB) setError(err error) {
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if self.dbErr == nil {
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self.dbErr = err
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}
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}
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func (db *StateDB) Error() error {
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return db.dbErr
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func (self *StateDB) Error() error {
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return self.dbErr
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}
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// Reset clears out all ephemeral state objects from the state db, but keeps
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// the underlying state trie to avoid reloading data for the next operations.
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func (db *StateDB) Reset(root common.Hash) error {
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tr, err := db.db.OpenTrie(root)
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func (self *StateDB) Reset(root common.Hash) error {
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tr, err := self.db.OpenTrie(root)
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if err != nil {
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return err
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}
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db.trie = tr
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db.stateObjects = make(map[common.Address]*stateObject)
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db.stateObjectsDirty = make(map[common.Address]struct{})
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db.thash = common.Hash{}
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db.bhash = common.Hash{}
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db.txIndex = 0
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db.logs = make(map[common.Hash][]*types.Log)
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db.logSize = 0
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db.preimages = make(map[common.Hash][]byte)
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db.clearJournalAndRefund()
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self.trie = tr
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self.stateObjects = make(map[common.Address]*stateObject)
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self.stateObjectsDirty = make(map[common.Address]struct{})
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self.thash = common.Hash{}
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self.bhash = common.Hash{}
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self.txIndex = 0
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self.logs = make(map[common.Hash][]*types.Log)
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self.logSize = 0
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self.preimages = make(map[common.Hash][]byte)
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self.clearJournalAndRefund()
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return nil
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}
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func (db *StateDB) AddLog(log *types.Log) {
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db.journal.append(addLogChange{txhash: db.thash})
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func (self *StateDB) AddLog(log *types.Log) {
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self.journal.append(addLogChange{txhash: self.thash})
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log.TxHash = db.thash
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log.BlockHash = db.bhash
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log.TxIndex = uint(db.txIndex)
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log.Index = db.logSize
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db.logs[db.thash] = append(db.logs[db.thash], log)
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db.logSize++
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log.TxHash = self.thash
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log.BlockHash = self.bhash
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log.TxIndex = uint(self.txIndex)
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log.Index = self.logSize
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self.logs[self.thash] = append(self.logs[self.thash], log)
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self.logSize++
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}
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func (db *StateDB) GetLogs(hash common.Hash) []*types.Log {
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return db.logs[hash]
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func (self *StateDB) GetLogs(hash common.Hash) []*types.Log {
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return self.logs[hash]
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}
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func (db *StateDB) Logs() []*types.Log {
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func (self *StateDB) Logs() []*types.Log {
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var logs []*types.Log
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for _, lgs := range db.logs {
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for _, lgs := range self.logs {
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logs = append(logs, lgs...)
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}
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return logs
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}
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// AddPreimage records a SHA3 preimage seen by the VM.
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func (db *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
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if _, ok := db.preimages[hash]; !ok {
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db.journal.append(addPreimageChange{hash: hash})
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func (self *StateDB) AddPreimage(hash common.Hash, preimage []byte) {
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if _, ok := self.preimages[hash]; !ok {
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self.journal.append(addPreimageChange{hash: hash})
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pi := make([]byte, len(preimage))
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copy(pi, preimage)
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db.preimages[hash] = pi
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self.preimages[hash] = pi
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}
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}
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// Preimages returns a list of SHA3 preimages that have been submitted.
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func (db *StateDB) Preimages() map[common.Hash][]byte {
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return db.preimages
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func (self *StateDB) Preimages() map[common.Hash][]byte {
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return self.preimages
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}
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// AddRefund adds gas to the refund counter
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func (db *StateDB) AddRefund(gas uint64) {
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db.journal.append(refundChange{prev: db.refund})
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db.refund += gas
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func (self *StateDB) AddRefund(gas uint64) {
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self.journal.append(refundChange{prev: self.refund})
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self.refund += gas
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}
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// SubRefund removes gas from the refund counter.
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// This method will panic if the refund counter goes below zero
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func (db *StateDB) SubRefund(gas uint64) {
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db.journal.append(refundChange{prev: db.refund})
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if gas > db.refund {
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func (self *StateDB) SubRefund(gas uint64) {
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self.journal.append(refundChange{prev: self.refund})
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if gas > self.refund {
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panic("Refund counter below zero")
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}
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db.refund -= gas
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self.refund -= gas
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}
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// Exist reports whether the given account address exists in the state.
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// Notably this also returns true for suicided accounts.
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func (db *StateDB) Exist(addr common.Address) bool {
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return db.getStateObject(addr) != nil
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func (self *StateDB) Exist(addr common.Address) bool {
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return self.getStateObject(addr) != nil
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}
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// Empty returns whether the state object is either non-existent
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// or empty according to the EIP161 specification (balance = nonce = code = 0)
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func (db *StateDB) Empty(addr common.Address) bool {
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so := db.getStateObject(addr)
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func (self *StateDB) Empty(addr common.Address) bool {
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so := self.getStateObject(addr)
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return so == nil || so.empty()
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}
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// Retrieve the balance from the given address or 0 if object not found
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func (db *StateDB) GetBalance(addr common.Address) *big.Int {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetBalance(addr common.Address) *big.Int {
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stateObject := self.getStateObject(addr)
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if stateObject != nil {
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return stateObject.Balance()
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}
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return common.Big0
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}
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func (db *StateDB) GetNonce(addr common.Address) uint64 {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetNonce(addr common.Address) uint64 {
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stateObject := self.getStateObject(addr)
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if stateObject != nil {
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return stateObject.Nonce()
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}
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@ -221,31 +221,31 @@ func (db *StateDB) GetNonce(addr common.Address) uint64 {
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return 0
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}
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func (db *StateDB) GetCode(addr common.Address) []byte {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetCode(addr common.Address) []byte {
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stateObject := self.getStateObject(addr)
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if stateObject != nil {
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return stateObject.Code(db.db)
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return stateObject.Code(self.db)
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}
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return nil
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}
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func (db *StateDB) GetCodeSize(addr common.Address) int {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetCodeSize(addr common.Address) int {
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stateObject := self.getStateObject(addr)
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if stateObject == nil {
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return 0
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}
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if stateObject.code != nil {
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return len(stateObject.code)
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}
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size, err := db.db.ContractCodeSize(stateObject.addrHash, common.BytesToHash(stateObject.CodeHash()))
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size, err := self.db.ContractCodeSize(stateObject.addrHash, common.BytesToHash(stateObject.CodeHash()))
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if err != nil {
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db.setError(err)
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self.setError(err)
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}
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return size
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}
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func (db *StateDB) GetCodeHash(addr common.Address) common.Hash {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetCodeHash(addr common.Address) common.Hash {
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stateObject := self.getStateObject(addr)
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if stateObject == nil {
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return common.Hash{}
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}
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@ -253,25 +253,25 @@ func (db *StateDB) GetCodeHash(addr common.Address) common.Hash {
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}
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// GetState retrieves a value from the given account's storage trie.
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func (db *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
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stateObject := self.getStateObject(addr)
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if stateObject != nil {
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return stateObject.GetState(db.db, hash)
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return stateObject.GetState(self.db, hash)
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}
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return common.Hash{}
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}
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// GetProof returns the MerkleProof for a given Account
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func (db *StateDB) GetProof(a common.Address) ([][]byte, error) {
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func (self *StateDB) GetProof(a common.Address) ([][]byte, error) {
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var proof proofList
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err := db.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
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err := self.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
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return [][]byte(proof), err
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}
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// GetProof returns the StorageProof for given key
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func (db *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
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func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
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var proof proofList
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trie := db.StorageTrie(a)
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trie := self.StorageTrie(a)
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if trie == nil {
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return proof, errors.New("storage trie for requested address does not exist")
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}
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@ -280,32 +280,32 @@ func (db *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte,
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}
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// GetCommittedState retrieves a value from the given account's committed storage trie.
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func (db *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
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stateObject := self.getStateObject(addr)
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if stateObject != nil {
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return stateObject.GetCommittedState(db.db, hash)
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return stateObject.GetCommittedState(self.db, hash)
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}
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return common.Hash{}
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}
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// Database retrieves the low level database supporting the lower level trie ops.
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func (db *StateDB) Database() Database {
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return db.db
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func (self *StateDB) Database() Database {
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return self.db
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}
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// StorageTrie returns the storage trie of an account.
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// The return value is a copy and is nil for non-existent accounts.
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func (db *StateDB) StorageTrie(addr common.Address) Trie {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) StorageTrie(addr common.Address) Trie {
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stateObject := self.getStateObject(addr)
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if stateObject == nil {
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return nil
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}
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cpy := stateObject.deepCopy(db)
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return cpy.updateTrie(db.db)
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cpy := stateObject.deepCopy(self)
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return cpy.updateTrie(self.db)
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}
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func (db *StateDB) HasSuicided(addr common.Address) bool {
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stateObject := db.getStateObject(addr)
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func (self *StateDB) HasSuicided(addr common.Address) bool {
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stateObject := self.getStateObject(addr)
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if stateObject != nil {
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return stateObject.suicided
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}
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@ -317,46 +317,46 @@ func (db *StateDB) HasSuicided(addr common.Address) bool {
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*/
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// AddBalance adds amount to the account associated with addr.
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func (db *StateDB) AddBalance(addr common.Address, amount *big.Int) {
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stateObject := db.GetOrNewStateObject(addr)
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func (self *StateDB) AddBalance(addr common.Address, amount *big.Int) {
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stateObject := self.GetOrNewStateObject(addr)
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if stateObject != nil {
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stateObject.AddBalance(amount)
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}
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}
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// SubBalance subtracts amount from the account associated with addr.
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func (db *StateDB) SubBalance(addr common.Address, amount *big.Int) {
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stateObject := db.GetOrNewStateObject(addr)
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func (self *StateDB) SubBalance(addr common.Address, amount *big.Int) {
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stateObject := self.GetOrNewStateObject(addr)
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if stateObject != nil {
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stateObject.SubBalance(amount)
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}
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}
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func (db *StateDB) SetBalance(addr common.Address, amount *big.Int) {
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stateObject := db.GetOrNewStateObject(addr)
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func (self *StateDB) SetBalance(addr common.Address, amount *big.Int) {
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stateObject := self.GetOrNewStateObject(addr)
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if stateObject != nil {
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stateObject.SetBalance(amount)
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}
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}
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func (db *StateDB) SetNonce(addr common.Address, nonce uint64) {
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stateObject := db.GetOrNewStateObject(addr)
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func (self *StateDB) SetNonce(addr common.Address, nonce uint64) {
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stateObject := self.GetOrNewStateObject(addr)
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if stateObject != nil {
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stateObject.SetNonce(nonce)
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}
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}
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func (db *StateDB) SetCode(addr common.Address, code []byte) {
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stateObject := db.GetOrNewStateObject(addr)
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func (self *StateDB) SetCode(addr common.Address, code []byte) {
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stateObject := self.GetOrNewStateObject(addr)
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if stateObject != nil {
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stateObject.SetCode(crypto.Keccak256Hash(code), code)
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}
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}
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func (db *StateDB) SetState(addr common.Address, key, value common.Hash) {
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stateObject := db.GetOrNewStateObject(addr)
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func (self *StateDB) SetState(addr common.Address, key, value common.Hash) {
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stateObject := self.GetOrNewStateObject(addr)
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if stateObject != nil {
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stateObject.SetState(db.db, key, value)
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stateObject.SetState(self.db, key, value)
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}
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}
|
||||
|
||||
|
|
@ -365,12 +365,12 @@ func (db *StateDB) SetState(addr common.Address, key, value common.Hash) {
|
|||
//
|
||||
// The account's state object is still available until the state is committed,
|
||||
// getStateObject will return a non-nil account after Suicide.
|
||||
func (db *StateDB) Suicide(addr common.Address) bool {
|
||||
stateObject := db.getStateObject(addr)
|
||||
func (self *StateDB) Suicide(addr common.Address) bool {
|
||||
stateObject := self.getStateObject(addr)
|
||||
if stateObject == nil {
|
||||
return false
|
||||
}
|
||||
db.journal.append(suicideChange{
|
||||
self.journal.append(suicideChange{
|
||||
account: &addr,
|
||||
prev: stateObject.suicided,
|
||||
prevbalance: new(big.Int).Set(stateObject.Balance()),
|
||||
|
|
@ -386,26 +386,26 @@ func (db *StateDB) Suicide(addr common.Address) bool {
|
|||
//
|
||||
|
||||
// updateStateObject writes the given object to the trie.
|
||||
func (db *StateDB) updateStateObject(stateObject *stateObject) {
|
||||
func (self *StateDB) updateStateObject(stateObject *stateObject) {
|
||||
addr := stateObject.Address()
|
||||
data, err := rlp.EncodeToBytes(stateObject)
|
||||
if err != nil {
|
||||
panic(fmt.Errorf("can't encode object at %x: %v", addr[:], err))
|
||||
}
|
||||
db.setError(db.trie.TryUpdate(addr[:], data))
|
||||
self.setError(self.trie.TryUpdate(addr[:], data))
|
||||
}
|
||||
|
||||
// deleteStateObject removes the given object from the state trie.
|
||||
func (db *StateDB) deleteStateObject(stateObject *stateObject) {
|
||||
func (self *StateDB) deleteStateObject(stateObject *stateObject) {
|
||||
stateObject.deleted = true
|
||||
addr := stateObject.Address()
|
||||
db.setError(db.trie.TryDelete(addr[:]))
|
||||
self.setError(self.trie.TryDelete(addr[:]))
|
||||
}
|
||||
|
||||
// Retrieve a state object given by the address. Returns nil if not found.
|
||||
func (db *StateDB) getStateObject(addr common.Address) (stateObject *stateObject) {
|
||||
func (self *StateDB) getStateObject(addr common.Address) (stateObject *stateObject) {
|
||||
// Prefer 'live' objects.
|
||||
if obj := db.stateObjects[addr]; obj != nil {
|
||||
if obj := self.stateObjects[addr]; obj != nil {
|
||||
if obj.deleted {
|
||||
return nil
|
||||
}
|
||||
|
|
@ -413,9 +413,9 @@ func (db *StateDB) getStateObject(addr common.Address) (stateObject *stateObject
|
|||
}
|
||||
|
||||
// Load the object from the database.
|
||||
enc, err := db.trie.TryGet(addr[:])
|
||||
enc, err := self.trie.TryGet(addr[:])
|
||||
if len(enc) == 0 {
|
||||
db.setError(err)
|
||||
self.setError(err)
|
||||
return nil
|
||||
}
|
||||
var data Account
|
||||
|
|
@ -424,36 +424,36 @@ func (db *StateDB) getStateObject(addr common.Address) (stateObject *stateObject
|
|||
return nil
|
||||
}
|
||||
// Insert into the live set.
|
||||
obj := newObject(db, addr, data)
|
||||
db.setStateObject(obj)
|
||||
obj := newObject(self, addr, data)
|
||||
self.setStateObject(obj)
|
||||
return obj
|
||||
}
|
||||
|
||||
func (db *StateDB) setStateObject(object *stateObject) {
|
||||
db.stateObjects[object.Address()] = object
|
||||
func (self *StateDB) setStateObject(object *stateObject) {
|
||||
self.stateObjects[object.Address()] = object
|
||||
}
|
||||
|
||||
// Retrieve a state object or create a new state object if nil.
|
||||
func (db *StateDB) GetOrNewStateObject(addr common.Address) *stateObject {
|
||||
stateObject := db.getStateObject(addr)
|
||||
func (self *StateDB) GetOrNewStateObject(addr common.Address) *stateObject {
|
||||
stateObject := self.getStateObject(addr)
|
||||
if stateObject == nil || stateObject.deleted {
|
||||
stateObject, _ = db.createObject(addr)
|
||||
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 (db *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) {
|
||||
prev = db.getStateObject(addr)
|
||||
newobj = newObject(db, addr, Account{})
|
||||
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 {
|
||||
db.journal.append(createObjectChange{account: &addr})
|
||||
self.journal.append(createObjectChange{account: &addr})
|
||||
} else {
|
||||
db.journal.append(resetObjectChange{prev: prev})
|
||||
self.journal.append(resetObjectChange{prev: prev})
|
||||
}
|
||||
db.setStateObject(newobj)
|
||||
self.setStateObject(newobj)
|
||||
return newobj, prev
|
||||
}
|
||||
|
||||
|
|
@ -467,21 +467,21 @@ func (db *StateDB) createObject(addr common.Address) (newobj, prev *stateObject)
|
|||
// 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 (db *StateDB) CreateAccount(addr common.Address) {
|
||||
newObj, prev := db.createObject(addr)
|
||||
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) {
|
||||
so := db.getStateObject(addr)
|
||||
func (self *StateDB) ForEachStorage(addr common.Address, cb func(key, value common.Hash) bool) {
|
||||
so := self.getStateObject(addr)
|
||||
if so == nil {
|
||||
return
|
||||
}
|
||||
it := trie.NewIterator(so.getTrie(db.db).NodeIterator(nil))
|
||||
it := trie.NewIterator(so.getTrie(self.db).NodeIterator(nil))
|
||||
for it.Next() {
|
||||
key := common.BytesToHash(db.trie.GetKey(it.Key))
|
||||
key := common.BytesToHash(self.trie.GetKey(it.Key))
|
||||
if value, dirty := so.dirtyStorage[key]; dirty {
|
||||
cb(key, value)
|
||||
continue
|
||||
|
|
@ -492,26 +492,26 @@ func (db *StateDB) ForEachStorage(addr common.Address, cb func(key, value common
|
|||
|
||||
// Copy creates a deep, independent copy of the state.
|
||||
// Snapshots of the copied state cannot be applied to the copy.
|
||||
func (db *StateDB) Copy() *StateDB {
|
||||
func (self *StateDB) Copy() *StateDB {
|
||||
// Copy all the basic fields, initialize the memory ones
|
||||
state := &StateDB{
|
||||
db: db.db,
|
||||
trie: db.db.CopyTrie(db.trie),
|
||||
stateObjects: make(map[common.Address]*stateObject, len(db.journal.dirties)),
|
||||
stateObjectsDirty: make(map[common.Address]struct{}, len(db.journal.dirties)),
|
||||
refund: db.refund,
|
||||
logs: make(map[common.Hash][]*types.Log, len(db.logs)),
|
||||
logSize: db.logSize,
|
||||
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),
|
||||
journal: newJournal(),
|
||||
}
|
||||
// Copy the dirty states, logs, and preimages
|
||||
for addr := range db.journal.dirties {
|
||||
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 := db.stateObjects[addr]; exist {
|
||||
if object, exist := self.stateObjects[addr]; exist {
|
||||
state.stateObjects[addr] = object.deepCopy(state)
|
||||
state.stateObjectsDirty[addr] = struct{}{}
|
||||
}
|
||||
|
|
@ -519,13 +519,13 @@ func (db *StateDB) Copy() *StateDB {
|
|||
// 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 db.stateObjectsDirty {
|
||||
for addr := range self.stateObjectsDirty {
|
||||
if _, exist := state.stateObjects[addr]; !exist {
|
||||
state.stateObjects[addr] = db.stateObjects[addr].deepCopy(state)
|
||||
state.stateObjects[addr] = self.stateObjects[addr].deepCopy(state)
|
||||
state.stateObjectsDirty[addr] = struct{}{}
|
||||
}
|
||||
}
|
||||
for hash, logs := range db.logs {
|
||||
for hash, logs := range self.logs {
|
||||
cpy := make([]*types.Log, len(logs))
|
||||
for i, l := range logs {
|
||||
cpy[i] = new(types.Log)
|
||||
|
|
@ -533,46 +533,46 @@ func (db *StateDB) Copy() *StateDB {
|
|||
}
|
||||
state.logs[hash] = cpy
|
||||
}
|
||||
for hash, preimage := range db.preimages {
|
||||
for hash, preimage := range self.preimages {
|
||||
state.preimages[hash] = preimage
|
||||
}
|
||||
return state
|
||||
}
|
||||
|
||||
// Snapshot returns an identifier for the current revision of the state.
|
||||
func (db *StateDB) Snapshot() int {
|
||||
id := db.nextRevisionId
|
||||
db.nextRevisionId++
|
||||
db.validRevisions = append(db.validRevisions, revision{id, db.journal.length()})
|
||||
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 (db *StateDB) RevertToSnapshot(revid int) {
|
||||
func (self *StateDB) RevertToSnapshot(revid int) {
|
||||
// Find the snapshot in the stack of valid snapshots.
|
||||
idx := sort.Search(len(db.validRevisions), func(i int) bool {
|
||||
return db.validRevisions[i].id >= revid
|
||||
idx := sort.Search(len(self.validRevisions), func(i int) bool {
|
||||
return self.validRevisions[i].id >= revid
|
||||
})
|
||||
if idx == len(db.validRevisions) || db.validRevisions[idx].id != revid {
|
||||
if idx == len(self.validRevisions) || self.validRevisions[idx].id != revid {
|
||||
panic(fmt.Errorf("revision id %v cannot be reverted", revid))
|
||||
}
|
||||
snapshot := db.validRevisions[idx].journalIndex
|
||||
snapshot := self.validRevisions[idx].journalIndex
|
||||
|
||||
// Replay the journal to undo changes and remove invalidated snapshots
|
||||
db.journal.revert(db, snapshot)
|
||||
db.validRevisions = db.validRevisions[:idx]
|
||||
self.journal.revert(self, snapshot)
|
||||
self.validRevisions = self.validRevisions[:idx]
|
||||
}
|
||||
|
||||
// GetRefund returns the current value of the refund counter.
|
||||
func (db *StateDB) GetRefund() uint64 {
|
||||
return db.refund
|
||||
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 (db *StateDB) Finalise(deleteEmptyObjects bool) {
|
||||
for addr := range db.journal.dirties {
|
||||
stateObject, exist := db.stateObjects[addr]
|
||||
func (self *StateDB) Finalise(deleteEmptyObjects bool) {
|
||||
for addr := range self.journal.dirties {
|
||||
stateObject, exist := self.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
|
||||
|
|
@ -584,81 +584,81 @@ func (db *StateDB) Finalise(deleteEmptyObjects bool) {
|
|||
}
|
||||
|
||||
if stateObject.suicided || (deleteEmptyObjects && stateObject.empty()) {
|
||||
db.deleteStateObject(stateObject)
|
||||
self.deleteStateObject(stateObject)
|
||||
} else {
|
||||
stateObject.updateRoot(db.db)
|
||||
db.updateStateObject(stateObject)
|
||||
stateObject.updateRoot(self.db)
|
||||
self.updateStateObject(stateObject)
|
||||
}
|
||||
db.stateObjectsDirty[addr] = struct{}{}
|
||||
self.stateObjectsDirty[addr] = struct{}{}
|
||||
}
|
||||
// Invalidate journal because reverting across transactions is not allowed.
|
||||
db.clearJournalAndRefund()
|
||||
self.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 (db *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
db.Finalise(deleteEmptyObjects)
|
||||
return db.trie.Hash()
|
||||
func (self *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
|
||||
self.Finalise(deleteEmptyObjects)
|
||||
return self.trie.Hash()
|
||||
}
|
||||
|
||||
// Prepare sets the current transaction hash and index and block hash which is
|
||||
// used when the EVM emits new state logs.
|
||||
func (db *StateDB) Prepare(thash, bhash common.Hash, ti int) {
|
||||
db.thash = thash
|
||||
db.bhash = bhash
|
||||
db.txIndex = ti
|
||||
func (self *StateDB) Prepare(thash, bhash common.Hash, ti int) {
|
||||
self.thash = thash
|
||||
self.bhash = bhash
|
||||
self.txIndex = ti
|
||||
}
|
||||
|
||||
func (db *StateDB) clearJournalAndRefund() {
|
||||
db.journal = newJournal()
|
||||
db.validRevisions = db.validRevisions[:0]
|
||||
db.refund = 0
|
||||
func (self *StateDB) clearJournalAndRefund() {
|
||||
self.journal = newJournal()
|
||||
self.validRevisions = self.validRevisions[:0]
|
||||
self.refund = 0
|
||||
}
|
||||
|
||||
// Commit writes the state to the underlying in-memory trie database.
|
||||
func (db *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) {
|
||||
defer db.clearJournalAndRefund()
|
||||
func (self *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) {
|
||||
defer self.clearJournalAndRefund()
|
||||
|
||||
for addr := range db.journal.dirties {
|
||||
db.stateObjectsDirty[addr] = struct{}{}
|
||||
for addr := range self.journal.dirties {
|
||||
self.stateObjectsDirty[addr] = struct{}{}
|
||||
}
|
||||
// Commit objects to the trie.
|
||||
for addr, stateObject := range db.stateObjects {
|
||||
_, isDirty := db.stateObjectsDirty[addr]
|
||||
for addr, stateObject := range self.stateObjects {
|
||||
_, isDirty := self.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.
|
||||
db.deleteStateObject(stateObject)
|
||||
self.deleteStateObject(stateObject)
|
||||
case isDirty:
|
||||
// Write any contract code associated with the state object
|
||||
if stateObject.code != nil && stateObject.dirtyCode {
|
||||
db.db.TrieDB().InsertBlob(common.BytesToHash(stateObject.CodeHash()), stateObject.code)
|
||||
self.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(db.db); err != nil {
|
||||
if err := stateObject.CommitTrie(self.db); err != nil {
|
||||
return common.Hash{}, err
|
||||
}
|
||||
// Update the object in the main account trie.
|
||||
db.updateStateObject(stateObject)
|
||||
self.updateStateObject(stateObject)
|
||||
}
|
||||
delete(db.stateObjectsDirty, addr)
|
||||
delete(self.stateObjectsDirty, addr)
|
||||
}
|
||||
// Write trie changes.
|
||||
root, err = db.trie.Commit(func(leaf []byte, parent common.Hash) error {
|
||||
root, err = self.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 != emptyState {
|
||||
db.db.TrieDB().Reference(account.Root, parent)
|
||||
self.db.TrieDB().Reference(account.Root, parent)
|
||||
}
|
||||
code := common.BytesToHash(account.CodeHash)
|
||||
if code != emptyCode {
|
||||
db.db.TrieDB().Reference(code, parent)
|
||||
self.db.TrieDB().Reference(code, parent)
|
||||
}
|
||||
return nil
|
||||
})
|
||||
|
|
|
|||
Loading…
Reference in a new issue