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|
@ -52,12 +52,12 @@ func (n *proofList) Put(key []byte, value []byte) error { |
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|
return nil |
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|
} |
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// StateDB within the ethereum protocol are used to store anything
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// DB within the ethereum protocol are used to store anything
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// within the merkle trie. StateDBs take care of caching and storing
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// nested states. It's the general query interface to retrieve:
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// * Contracts
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// * Accounts
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type StateDB struct { |
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type DB struct { |
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db Database |
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trie Trie |
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@ -69,7 +69,7 @@ type StateDB struct { |
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// State objects are used by the consensus core and VM which are
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// unable to deal with database-level errors. Any error that occurs
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// during a database read is memoized here and will eventually be returned
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// by StateDB.Commit.
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// by DB.Commit.
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dbErr error |
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// The refund counter, also used by state transitioning.
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@ -92,12 +92,12 @@ type StateDB struct { |
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} |
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// New creates a new state from a given trie.
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func New(root common.Hash, db Database) (*StateDB, error) { |
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func New(root common.Hash, db Database) (*DB, error) { |
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tr, err := db.OpenTrie(root) |
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if err != nil { |
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return nil, err |
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} |
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return &StateDB{ |
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return &DB{ |
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db: db, |
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trie: tr, |
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stateObjects: make(map[common.Address]*stateObject), |
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@ -109,19 +109,19 @@ 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 (stateDB *StateDB) setError(err error) { |
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func (stateDB *DB) setError(err error) { |
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if stateDB.dbErr == nil { |
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stateDB.dbErr = err |
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} |
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} |
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func (stateDB *StateDB) Error() error { |
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func (stateDB *DB) Error() error { |
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return stateDB.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 (stateDB *StateDB) Reset(root common.Hash) error { |
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func (stateDB *DB) Reset(root common.Hash) error { |
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tr, err := stateDB.db.OpenTrie(root) |
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|
if err != nil { |
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return err |
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@ -140,7 +140,7 @@ func (stateDB *StateDB) Reset(root common.Hash) error { |
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} |
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// AddLog adds logs into stateDB
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func (stateDB *StateDB) AddLog(log *types.Log) { |
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func (stateDB *DB) AddLog(log *types.Log) { |
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stateDB.journal.append(addLogChange{txhash: stateDB.thash}) |
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log.TxHash = stateDB.thash |
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@ -152,12 +152,12 @@ func (stateDB *StateDB) AddLog(log *types.Log) { |
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} |
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// GetLogs gets logs from stateDB given a hash
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func (stateDB *StateDB) GetLogs(hash common.Hash) []*types.Log { |
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func (stateDB *DB) GetLogs(hash common.Hash) []*types.Log { |
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|
return stateDB.logs[hash] |
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} |
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// Logs returns a list of Log.
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func (stateDB *StateDB) Logs() []*types.Log { |
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func (stateDB *DB) Logs() []*types.Log { |
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var logs []*types.Log |
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for _, lgs := range stateDB.logs { |
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logs = append(logs, lgs...) |
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@ -166,7 +166,7 @@ func (stateDB *StateDB) Logs() []*types.Log { |
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} |
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// AddPreimage records a SHA3 preimage seen by the VM.
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func (stateDB *StateDB) AddPreimage(hash common.Hash, preimage []byte) { |
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func (stateDB *DB) AddPreimage(hash common.Hash, preimage []byte) { |
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|
if _, ok := stateDB.preimages[hash]; !ok { |
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|
stateDB.journal.append(addPreimageChange{hash: hash}) |
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|
pi := make([]byte, len(preimage)) |
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@ -176,19 +176,19 @@ func (stateDB *StateDB) AddPreimage(hash common.Hash, preimage []byte) { |
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} |
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// Preimages returns a list of SHA3 preimages that have been submitted.
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|
|
func (stateDB *StateDB) Preimages() map[common.Hash][]byte { |
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func (stateDB *DB) Preimages() map[common.Hash][]byte { |
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|
return stateDB.preimages |
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} |
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// AddRefund adds gas to the refund counter
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|
|
func (stateDB *StateDB) AddRefund(gas uint64) { |
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|
func (stateDB *DB) AddRefund(gas uint64) { |
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|
stateDB.journal.append(refundChange{prev: stateDB.refund}) |
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|
|
stateDB.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 (stateDB *StateDB) SubRefund(gas uint64) { |
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|
|
func (stateDB *DB) SubRefund(gas uint64) { |
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|
|
stateDB.journal.append(refundChange{prev: stateDB.refund}) |
|
|
|
|
if gas > stateDB.refund { |
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|
|
panic("Refund counter below zero") |
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|
|
@ -198,19 +198,19 @@ func (stateDB *StateDB) SubRefund(gas uint64) { |
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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 (stateDB *StateDB) Exist(addr common.Address) bool { |
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|
|
func (stateDB *DB) Exist(addr common.Address) bool { |
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|
|
return stateDB.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 (stateDB *StateDB) Empty(addr common.Address) bool { |
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|
|
func (stateDB *DB) Empty(addr common.Address) bool { |
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|
|
so := stateDB.getStateObject(addr) |
|
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|
|
return so == nil || so.empty() |
|
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|
|
} |
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|
|
// GetBalance retrieves the balance from the given address or 0 if object not found
|
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|
|
func (stateDB *StateDB) GetBalance(addr common.Address) *big.Int { |
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|
|
|
func (stateDB *DB) GetBalance(addr common.Address) *big.Int { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
return stateObject.Balance() |
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|
|
@ -219,7 +219,7 @@ func (stateDB *StateDB) GetBalance(addr common.Address) *big.Int { |
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|
|
} |
|
|
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|
|
|
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|
|
// GetNonce returns the nonce of the given address.
|
|
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|
|
func (stateDB *StateDB) GetNonce(addr common.Address) uint64 { |
|
|
|
|
func (stateDB *DB) GetNonce(addr common.Address) uint64 { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
return stateObject.Nonce() |
|
|
|
@ -229,7 +229,7 @@ func (stateDB *StateDB) GetNonce(addr common.Address) uint64 { |
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|
|
} |
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|
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|
|
// GetCode returns code of a given address.
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|
|
func (stateDB *StateDB) GetCode(addr common.Address) []byte { |
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|
|
|
func (stateDB *DB) GetCode(addr common.Address) []byte { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
return stateObject.Code(stateDB.db) |
|
|
|
@ -238,7 +238,7 @@ func (stateDB *StateDB) GetCode(addr common.Address) []byte { |
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|
|
} |
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|
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|
|
// GetCodeSize returns code size of a given address in stateDB.
|
|
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|
|
func (stateDB *StateDB) GetCodeSize(addr common.Address) int { |
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|
|
|
func (stateDB *DB) GetCodeSize(addr common.Address) int { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject == nil { |
|
|
|
|
return 0 |
|
|
|
@ -254,7 +254,7 @@ func (stateDB *StateDB) GetCodeSize(addr common.Address) int { |
|
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|
|
} |
|
|
|
|
|
|
|
|
|
// GetCodeHash returns code hash of a given address.
|
|
|
|
|
func (stateDB *StateDB) GetCodeHash(addr common.Address) common.Hash { |
|
|
|
|
func (stateDB *DB) GetCodeHash(addr common.Address) common.Hash { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject == nil { |
|
|
|
|
return common.Hash{} |
|
|
|
@ -263,7 +263,7 @@ func (stateDB *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 (stateDB *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash { |
|
|
|
|
func (stateDB *DB) GetState(addr common.Address, hash common.Hash) common.Hash { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
return stateObject.GetState(stateDB.db, hash) |
|
|
|
@ -272,14 +272,14 @@ func (stateDB *StateDB) GetState(addr common.Address, hash common.Hash) common.H |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// GetProof returns the MerkleProof for a given Account
|
|
|
|
|
func (stateDB *StateDB) GetProof(a common.Address) ([][]byte, error) { |
|
|
|
|
func (stateDB *DB) GetProof(a common.Address) ([][]byte, error) { |
|
|
|
|
var proof proofList |
|
|
|
|
err := stateDB.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof) |
|
|
|
|
return [][]byte(proof), err |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// GetStorageProof returns the StorageProof for given key
|
|
|
|
|
func (stateDB *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) { |
|
|
|
|
func (stateDB *DB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) { |
|
|
|
|
var proof proofList |
|
|
|
|
trie := stateDB.StorageTrie(a) |
|
|
|
|
if trie == nil { |
|
|
|
@ -290,7 +290,7 @@ func (stateDB *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][] |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// GetCommittedState retrieves a value from the given account's committed storage trie.
|
|
|
|
|
func (stateDB *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash { |
|
|
|
|
func (stateDB *DB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
return stateObject.GetCommittedState(stateDB.db, hash) |
|
|
|
@ -299,13 +299,13 @@ func (stateDB *StateDB) GetCommittedState(addr common.Address, hash common.Hash) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Database retrieves the low level database supporting the lower level trie ops.
|
|
|
|
|
func (stateDB *StateDB) Database() Database { |
|
|
|
|
func (stateDB *DB) Database() Database { |
|
|
|
|
return stateDB.db |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// StorageTrie returns the storage trie of an account.
|
|
|
|
|
// The return value is a copy and is nil for non-existent accounts.
|
|
|
|
|
func (stateDB *StateDB) StorageTrie(addr common.Address) Trie { |
|
|
|
|
func (stateDB *DB) StorageTrie(addr common.Address) Trie { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject == nil { |
|
|
|
|
return nil |
|
|
|
@ -315,7 +315,7 @@ func (stateDB *StateDB) StorageTrie(addr common.Address) Trie { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// HasSuicided checks if the state object of the given addr is suicided.
|
|
|
|
|
func (stateDB *StateDB) HasSuicided(addr common.Address) bool { |
|
|
|
|
func (stateDB *DB) HasSuicided(addr common.Address) bool { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
return stateObject.suicided |
|
|
|
@ -328,7 +328,7 @@ func (stateDB *StateDB) HasSuicided(addr common.Address) bool { |
|
|
|
|
*/ |
|
|
|
|
|
|
|
|
|
// AddBalance adds amount to the account associated with addr.
|
|
|
|
|
func (stateDB *StateDB) AddBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
func (stateDB *DB) AddBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
stateObject := stateDB.GetOrNewStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
stateObject.AddBalance(amount) |
|
|
|
@ -336,7 +336,7 @@ func (stateDB *StateDB) AddBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// SubBalance subtracts amount from the account associated with addr.
|
|
|
|
|
func (stateDB *StateDB) SubBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
func (stateDB *DB) SubBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
stateObject := stateDB.GetOrNewStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
stateObject.SubBalance(amount) |
|
|
|
@ -344,7 +344,7 @@ func (stateDB *StateDB) SubBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// SetBalance sets balance of an address.
|
|
|
|
|
func (stateDB *StateDB) SetBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
func (stateDB *DB) SetBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
stateObject := stateDB.GetOrNewStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
stateObject.SetBalance(amount) |
|
|
|
@ -352,7 +352,7 @@ func (stateDB *StateDB) SetBalance(addr common.Address, amount *big.Int) { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// SetNonce sets nonce of a given address.
|
|
|
|
|
func (stateDB *StateDB) SetNonce(addr common.Address, nonce uint64) { |
|
|
|
|
func (stateDB *DB) SetNonce(addr common.Address, nonce uint64) { |
|
|
|
|
stateObject := stateDB.GetOrNewStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
stateObject.SetNonce(nonce) |
|
|
|
@ -360,7 +360,7 @@ func (stateDB *StateDB) SetNonce(addr common.Address, nonce uint64) { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// SetCode sets code of a given address.
|
|
|
|
|
func (stateDB *StateDB) SetCode(addr common.Address, code []byte) { |
|
|
|
|
func (stateDB *DB) SetCode(addr common.Address, code []byte) { |
|
|
|
|
stateObject := stateDB.GetOrNewStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
stateObject.SetCode(crypto.Keccak256Hash(code), code) |
|
|
|
@ -368,7 +368,7 @@ func (stateDB *StateDB) SetCode(addr common.Address, code []byte) { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// SetState sets hash value of a given address.
|
|
|
|
|
func (stateDB *StateDB) SetState(addr common.Address, key, value common.Hash) { |
|
|
|
|
func (stateDB *DB) SetState(addr common.Address, key, value common.Hash) { |
|
|
|
|
stateObject := stateDB.GetOrNewStateObject(addr) |
|
|
|
|
if stateObject != nil { |
|
|
|
|
stateObject.SetState(stateDB.db, key, value) |
|
|
|
@ -380,7 +380,7 @@ func (stateDB *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 (stateDB *StateDB) Suicide(addr common.Address) bool { |
|
|
|
|
func (stateDB *DB) Suicide(addr common.Address) bool { |
|
|
|
|
stateObject := stateDB.getStateObject(addr) |
|
|
|
|
if stateObject == nil { |
|
|
|
|
return false |
|
|
|
@ -401,7 +401,7 @@ func (stateDB *StateDB) Suicide(addr common.Address) bool { |
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
// updateStateObject writes the given object to the trie.
|
|
|
|
|
func (stateDB *StateDB) updateStateObject(stateObject *stateObject) { |
|
|
|
|
func (stateDB *DB) updateStateObject(stateObject *stateObject) { |
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addr := stateObject.Address() |
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data, err := rlp.EncodeToBytes(stateObject) |
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if err != nil { |
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@ -411,14 +411,14 @@ func (stateDB *StateDB) updateStateObject(stateObject *stateObject) { |
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} |
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// deleteStateObject removes the given object from the state trie.
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func (stateDB *StateDB) deleteStateObject(stateObject *stateObject) { |
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func (stateDB *DB) deleteStateObject(stateObject *stateObject) { |
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stateObject.deleted = true |
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addr := stateObject.Address() |
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stateDB.setError(stateDB.trie.TryDelete(addr[:])) |
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} |
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// Retrieve a state object given by the address. Returns nil if not found.
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func (stateDB *StateDB) getStateObject(addr common.Address) (stateObject *stateObject) { |
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func (stateDB *DB) getStateObject(addr common.Address) (stateObject *stateObject) { |
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// Prefer 'live' objects.
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if obj := stateDB.stateObjects[addr]; obj != nil { |
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if obj.deleted { |
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@ -444,12 +444,12 @@ func (stateDB *StateDB) getStateObject(addr common.Address) (stateObject *stateO |
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return obj |
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} |
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func (stateDB *StateDB) setStateObject(object *stateObject) { |
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func (stateDB *DB) setStateObject(object *stateObject) { |
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stateDB.stateObjects[object.Address()] = object |
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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 *DB) 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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@ -459,7 +459,7 @@ func (stateDB *StateDB) GetOrNewStateObject(addr common.Address) *stateObject { |
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// createObject creates a new state object. If there is an existing account with
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// the given address, it is overwritten and returned as the second return value.
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func (stateDB *StateDB) createObject(addr common.Address) (newobj, prev *stateObject) { |
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func (stateDB *DB) createObject(addr common.Address) (newobj, prev *stateObject) { |
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prev = stateDB.getStateObject(addr) |
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newobj = newObject(stateDB, addr, Account{}) |
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newobj.setNonce(0) // sets the object to dirty
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@ -482,7 +482,7 @@ func (stateDB *StateDB) createObject(addr common.Address) (newobj, prev *stateOb |
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// 2. tx_create(sha(account ++ nonce)) (note that this gets the address of 1)
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//
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// Carrying over the balance ensures that Ether doesn't disappear.
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func (stateDB *StateDB) CreateAccount(addr common.Address) { |
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func (stateDB *DB) CreateAccount(addr common.Address) { |
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new, prev := stateDB.createObject(addr) |
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if prev != nil { |
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new.setBalance(prev.data.Balance) |
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@ -490,7 +490,7 @@ func (stateDB *StateDB) CreateAccount(addr common.Address) { |
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} |
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// ForEachStorage runs a function on every item in state DB.
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func (stateDB *StateDB) ForEachStorage(addr common.Address, cb func(key, value common.Hash) bool) { |
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func (stateDB *DB) ForEachStorage(addr common.Address, cb func(key, value common.Hash) bool) { |
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so := stateDB.getStateObject(addr) |
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if so == nil { |
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return |
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@ -508,12 +508,12 @@ func (stateDB *StateDB) ForEachStorage(addr common.Address, cb func(key, value c |
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// Copy creates a deep, independent copy of the state.
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// Snapshots of the copied state cannot be applied to the copy.
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func (stateDB *StateDB) Copy() *StateDB { |
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func (stateDB *DB) Copy() *DB { |
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stateDB.lock.Lock() |
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defer stateDB.lock.Unlock() |
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// Copy all the basic fields, initialize the memory ones
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|
state := &StateDB{ |
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|
state := &DB{ |
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db: stateDB.db, |
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|
trie: stateDB.db.CopyTrie(stateDB.trie), |
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|
stateObjects: make(map[common.Address]*stateObject, len(stateDB.journal.dirties)), |
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@ -559,7 +559,7 @@ func (stateDB *StateDB) Copy() *StateDB { |
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} |
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// Snapshot returns an identifier for the current revision of the state.
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func (stateDB *StateDB) Snapshot() int { |
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func (stateDB *DB) Snapshot() int { |
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|
|
id := stateDB.nextRevisionID |
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|
|
stateDB.nextRevisionID++ |
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|
|
stateDB.validRevisions = append(stateDB.validRevisions, revision{id, stateDB.journal.length()}) |
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|
@ -567,7 +567,7 @@ func (stateDB *StateDB) Snapshot() int { |
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|
} |
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|
|
// RevertToSnapshot reverts all state changes made since the given revision.
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|
|
func (stateDB *StateDB) RevertToSnapshot(revid int) { |
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|
func (stateDB *DB) RevertToSnapshot(revid int) { |
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|
|
// Find the snapshot in the stack of valid snapshots.
|
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|
|
idx := sort.Search(len(stateDB.validRevisions), func(i int) bool { |
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|
|
return stateDB.validRevisions[i].id >= revid |
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|
@ -583,13 +583,13 @@ func (stateDB *StateDB) RevertToSnapshot(revid int) { |
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|
} |
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|
// GetRefund returns the current value of the refund counter.
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|
|
func (stateDB *StateDB) GetRefund() uint64 { |
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|
|
func (stateDB *DB) GetRefund() uint64 { |
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|
|
return stateDB.refund |
|
|
|
|
} |
|
|
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|
|
// Finalise finalises the state by removing the self destructed objects
|
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|
|
// and clears the journal as well as the refunds.
|
|
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|
|
func (stateDB *StateDB) Finalise(deleteEmptyObjects bool) { |
|
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|
|
func (stateDB *DB) Finalise(deleteEmptyObjects bool) { |
|
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|
|
for addr := range stateDB.journal.dirties { |
|
|
|
|
stateObject, exist := stateDB.stateObjects[addr] |
|
|
|
|
if !exist { |
|
|
|
@ -617,27 +617,27 @@ func (stateDB *StateDB) Finalise(deleteEmptyObjects bool) { |
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|
|
// 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 (stateDB *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash { |
|
|
|
|
func (stateDB *DB) IntermediateRoot(deleteEmptyObjects bool) common.Hash { |
|
|
|
|
stateDB.Finalise(deleteEmptyObjects) |
|
|
|
|
return stateDB.trie.Hash() |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Prepare sets the current transaction hash and index and block hash which is
|
|
|
|
|
// used when the EVM emits new state logs.
|
|
|
|
|
func (stateDB *StateDB) Prepare(thash, bhash common.Hash, ti int) { |
|
|
|
|
func (stateDB *DB) Prepare(thash, bhash common.Hash, ti int) { |
|
|
|
|
stateDB.thash = thash |
|
|
|
|
stateDB.bhash = bhash |
|
|
|
|
stateDB.txIndex = ti |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
func (stateDB *StateDB) clearJournalAndRefund() { |
|
|
|
|
func (stateDB *DB) clearJournalAndRefund() { |
|
|
|
|
stateDB.journal = newJournal() |
|
|
|
|
stateDB.validRevisions = stateDB.validRevisions[:0] |
|
|
|
|
stateDB.refund = 0 |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Commit writes the state to the underlying in-memory trie database.
|
|
|
|
|
func (stateDB *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) { |
|
|
|
|
func (stateDB *DB) Commit(deleteEmptyObjects bool) (root common.Hash, err error) { |
|
|
|
|
defer stateDB.clearJournalAndRefund() |
|
|
|
|
|
|
|
|
|
for addr := range stateDB.journal.dirties { |
|
|
|
|