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@ -1,4 +1,3 @@ |
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// package state ...
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// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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@ -19,7 +18,6 @@ |
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package state |
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import ( |
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"github.com/harmony-one/harmony/core/state" |
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"errors" |
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"fmt" |
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"math/big" |
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@ -451,7 +449,7 @@ func (stateDB *StateDB) setStateObject(object *stateObject) { |
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} |
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// GetOrNewStateObject retrieves a state object or create a new state object if nil.
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func (stateDB *StateDB) GetOrNewStateObject(addr common.Address) *StateObject { |
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func (stateDB *StateDB) GetOrNewStateObject(addr common.Address) *stateObject { |
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stateObject := stateDB.getStateObject(addr) |
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if stateObject == nil || stateObject.deleted { |
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stateObject, _ = stateDB.createObject(addr) |
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@ -605,23 +603,23 @@ func (stateDB *StateDB) Finalise(deleteEmptyObjects bool) { |
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} |
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if stateObject.suicided || (deleteEmptyObjects && stateObject.empty()) { |
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s.deleteStateObject(stateObject) |
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stateDB.deleteStateObject(stateObject) |
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} else { |
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stateObject.updateRoot(s.db) |
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s.updateStateObject(stateObject) |
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stateObject.updateRoot(stateDB.db) |
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stateDB.updateStateObject(stateObject) |
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} |
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s.stateObjectsDirty[addr] = struct{}{} |
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stateDB.stateObjectsDirty[addr] = struct{}{} |
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} |
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// Invalidate journal because reverting across transactions is not allowed.
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s.clearJournalAndRefund() |
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stateDB.clearJournalAndRefund() |
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} |
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// IntermediateRoot computes the current root hash of the state trie.
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// It is called in between transactions to get the root hash that
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// goes into transaction receipts.
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func (stateDB *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash { |
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s.Finalise(deleteEmptyObjects) |
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return s.trie.Hash() |
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stateDB.Finalise(deleteEmptyObjects) |
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return stateDB.trie.Hash() |
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} |
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// Prepare sets the current transaction hash and index and block hash which is
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@ -633,53 +631,53 @@ func (stateDB *StateDB) Prepare(thash, bhash common.Hash, ti int) { |
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} |
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func (stateDB *StateDB) clearJournalAndRefund() { |
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s.journal = newJournal() |
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s.validRevisions = s.validRevisions[:0] |
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s.refund = 0 |
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stateDB.journal = newJournal() |
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stateDB.validRevisions = stateDB.validRevisions[:0] |
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stateDB.refund = 0 |
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} |
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// Commit writes the state to the underlying in-memory trie database.
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func (stateDB *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) { |
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defer s.clearJournalAndRefund() |
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defer stateDB.clearJournalAndRefund() |
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for addr := range s.journal.dirties { |
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s.stateObjectsDirty[addr] = struct{}{} |
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for addr := range stateDB.journal.dirties { |
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stateDB.stateObjectsDirty[addr] = struct{}{} |
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} |
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// Commit objects to the trie.
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for addr, stateObject := range s.stateObjects { |
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_, isDirty := s.stateObjectsDirty[addr] |
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for addr, stateObject := range stateDB.stateObjects { |
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_, isDirty := stateDB.stateObjectsDirty[addr] |
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switch { |
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case stateObject.suicided || (isDirty && deleteEmptyObjects && stateObject.empty()): |
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// If the object has been removed, don't bother syncing it
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// and just mark it for deletion in the trie.
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s.deleteStateObject(stateObject) |
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stateDB.deleteStateObject(stateObject) |
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case isDirty: |
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// Write any contract code associated with the state object
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if stateObject.code != nil && stateObject.dirtyCode { |
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s.db.TrieDB().InsertBlob(common.BytesToHash(stateObject.CodeHash()), stateObject.code) |
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stateDB.db.TrieDB().InsertBlob(common.BytesToHash(stateObject.CodeHash()), stateObject.code) |
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stateObject.dirtyCode = false |
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} |
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// Write any storage changes in the state object to its storage trie.
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if err := stateObject.CommitTrie(s.db); err != nil { |
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if err := stateObject.CommitTrie(stateDB.db); err != nil { |
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return common.Hash{}, err |
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} |
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// Update the object in the main account trie.
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s.updateStateObject(stateObject) |
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stateDB.updateStateObject(stateObject) |
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} |
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delete(s.stateObjectsDirty, addr) |
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delete(stateDB.stateObjectsDirty, addr) |
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} |
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// Write trie changes.
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root, err = s.trie.Commit(func(leaf []byte, parent common.Hash) error { |
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root, err = stateDB.trie.Commit(func(leaf []byte, parent common.Hash) error { |
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var account Account |
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if err := rlp.DecodeBytes(leaf, &account); err != nil { |
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return nil |
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} |
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if account.Root != emptyState { |
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s.db.TrieDB().Reference(account.Root, parent) |
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stateDB.db.TrieDB().Reference(account.Root, parent) |
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} |
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code := common.BytesToHash(account.CodeHash) |
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if code != emptyCode { |
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s.db.TrieDB().Reference(code, parent) |
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stateDB.db.TrieDB().Reference(code, parent) |
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} |
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return nil |
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}) |
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