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@@ -10,12 +10,12 @@ import (
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var statelogger = logger.NewLogger("STATE")
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-// States within the ethereum protocol are used to store anything
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-// within the merkle trie. States take care of caching and storing
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+// StateDBs 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 State struct {
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+type StateDB struct {
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// The trie for this structure
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Trie *trie.Trie
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@@ -29,24 +29,24 @@ type State struct {
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}
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// Create a new state from a given trie
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-func New(trie *trie.Trie) *State {
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- return &State{Trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string][]refund)}
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+func New(trie *trie.Trie) *StateDB {
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+ return &StateDB{Trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string][]refund)}
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}
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-func (self *State) EmptyLogs() {
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+func (self *StateDB) EmptyLogs() {
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self.logs = nil
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}
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-func (self *State) AddLog(log *Log) {
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+func (self *StateDB) AddLog(log *Log) {
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self.logs = append(self.logs, log)
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}
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-func (self *State) Logs() Logs {
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+func (self *StateDB) Logs() Logs {
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return self.logs
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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 (self *State) GetBalance(addr []byte) *big.Int {
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+func (self *StateDB) GetBalance(addr []byte) *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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@@ -59,18 +59,18 @@ type refund struct {
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gas, price *big.Int
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}
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-func (self *State) Refund(addr []byte, gas, price *big.Int) {
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+func (self *StateDB) Refund(addr []byte, gas, price *big.Int) {
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self.refund[string(addr)] = append(self.refund[string(addr)], refund{gas, price})
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}
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-func (self *State) AddBalance(addr []byte, amount *big.Int) {
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+func (self *StateDB) AddBalance(addr []byte, amount *big.Int) {
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stateObject := self.GetStateObject(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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-func (self *State) GetNonce(addr []byte) uint64 {
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+func (self *StateDB) GetNonce(addr []byte) 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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@@ -79,14 +79,14 @@ func (self *State) GetNonce(addr []byte) uint64 {
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return 0
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}
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-func (self *State) SetNonce(addr []byte, nonce uint64) {
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+func (self *StateDB) SetNonce(addr []byte, nonce uint64) {
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stateObject := self.GetStateObject(addr)
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if stateObject != nil {
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stateObject.Nonce = nonce
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}
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}
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-func (self *State) GetCode(addr []byte) []byte {
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+func (self *StateDB) GetCode(addr []byte) []byte {
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stateObject := self.GetStateObject(addr)
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if stateObject != nil {
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return stateObject.Code
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@@ -95,7 +95,7 @@ func (self *State) GetCode(addr []byte) []byte {
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return nil
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}
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-func (self *State) GetState(a, b []byte) []byte {
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+func (self *StateDB) GetState(a, b []byte) []byte {
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stateObject := self.GetStateObject(a)
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if stateObject != nil {
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return stateObject.GetState(b).Bytes()
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@@ -104,14 +104,14 @@ func (self *State) GetState(a, b []byte) []byte {
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return nil
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}
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-func (self *State) SetState(addr, key []byte, value interface{}) {
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+func (self *StateDB) SetState(addr, key []byte, value interface{}) {
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stateObject := self.GetStateObject(addr)
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if stateObject != nil {
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stateObject.SetState(key, ethutil.NewValue(value))
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}
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}
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-func (self *State) Delete(addr []byte) bool {
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+func (self *StateDB) Delete(addr []byte) bool {
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stateObject := self.GetStateObject(addr)
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if stateObject != nil {
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stateObject.MarkForDeletion()
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@@ -127,7 +127,7 @@ func (self *State) Delete(addr []byte) bool {
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//
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// Update the given state object and apply it to state trie
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-func (self *State) UpdateStateObject(stateObject *StateObject) {
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+func (self *StateDB) UpdateStateObject(stateObject *StateObject) {
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addr := stateObject.Address()
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if len(stateObject.CodeHash()) > 0 {
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@@ -138,14 +138,14 @@ func (self *State) UpdateStateObject(stateObject *StateObject) {
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}
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// Delete the given state object and delete it from the state trie
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-func (self *State) DeleteStateObject(stateObject *StateObject) {
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+func (self *StateDB) DeleteStateObject(stateObject *StateObject) {
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self.Trie.Delete(string(stateObject.Address()))
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delete(self.stateObjects, string(stateObject.Address()))
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}
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// Retrieve a state object given my the address. Nil if not found
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-func (self *State) GetStateObject(addr []byte) *StateObject {
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+func (self *StateDB) GetStateObject(addr []byte) *StateObject {
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addr = ethutil.Address(addr)
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stateObject := self.stateObjects[string(addr)]
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@@ -164,12 +164,12 @@ func (self *State) GetStateObject(addr []byte) *StateObject {
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return stateObject
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}
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-func (self *State) SetStateObject(object *StateObject) {
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+func (self *StateDB) SetStateObject(object *StateObject) {
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self.stateObjects[string(object.address)] = object
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}
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// Retrieve a state object or create a new state object if nil
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-func (self *State) GetOrNewStateObject(addr []byte) *StateObject {
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+func (self *StateDB) GetOrNewStateObject(addr []byte) *StateObject {
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stateObject := self.GetStateObject(addr)
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if stateObject == nil {
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stateObject = self.NewStateObject(addr)
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@@ -179,7 +179,7 @@ func (self *State) GetOrNewStateObject(addr []byte) *StateObject {
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}
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// Create a state object whether it exist in the trie or not
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-func (self *State) NewStateObject(addr []byte) *StateObject {
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+func (self *StateDB) NewStateObject(addr []byte) *StateObject {
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addr = ethutil.Address(addr)
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statelogger.Debugf("(+) %x\n", addr)
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@@ -191,7 +191,7 @@ func (self *State) NewStateObject(addr []byte) *StateObject {
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}
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// Deprecated
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-func (self *State) GetAccount(addr []byte) *StateObject {
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+func (self *StateDB) GetAccount(addr []byte) *StateObject {
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return self.GetOrNewStateObject(addr)
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}
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@@ -199,11 +199,11 @@ func (self *State) GetAccount(addr []byte) *StateObject {
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// Setting, copying of the state methods
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//
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-func (s *State) Cmp(other *State) bool {
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+func (s *StateDB) Cmp(other *StateDB) bool {
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return s.Trie.Cmp(other.Trie)
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}
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-func (self *State) Copy() *State {
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+func (self *StateDB) Copy() *StateDB {
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if self.Trie != nil {
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state := New(self.Trie.Copy())
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for k, stateObject := range self.stateObjects {
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@@ -224,7 +224,7 @@ func (self *State) Copy() *State {
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return nil
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}
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-func (self *State) Set(state *State) {
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+func (self *StateDB) Set(state *StateDB) {
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if state == nil {
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panic("Tried setting 'state' to nil through 'Set'")
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}
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@@ -235,12 +235,12 @@ func (self *State) Set(state *State) {
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self.logs = state.logs
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}
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-func (s *State) Root() []byte {
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+func (s *StateDB) Root() []byte {
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return s.Trie.GetRoot()
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}
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// Resets the trie and all siblings
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-func (s *State) Reset() {
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+func (s *StateDB) Reset() {
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s.Trie.Undo()
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// Reset all nested states
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@@ -256,7 +256,7 @@ func (s *State) Reset() {
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}
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// Syncs the trie and all siblings
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-func (s *State) Sync() {
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+func (s *StateDB) Sync() {
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// Sync all nested states
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for _, stateObject := range s.stateObjects {
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if stateObject.State == nil {
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@@ -271,12 +271,12 @@ func (s *State) Sync() {
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s.Empty()
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}
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-func (self *State) Empty() {
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+func (self *StateDB) Empty() {
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self.stateObjects = make(map[string]*StateObject)
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self.refund = make(map[string][]refund)
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}
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-func (self *State) Update(gasUsed *big.Int) {
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+func (self *StateDB) Update(gasUsed *big.Int) {
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var deleted bool
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// Refund any gas that's left
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@@ -313,12 +313,12 @@ func (self *State) Update(gasUsed *big.Int) {
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}
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}
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-func (self *State) Manifest() *Manifest {
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+func (self *StateDB) Manifest() *Manifest {
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return self.manifest
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}
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// Debug stuff
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-func (self *State) CreateOutputForDiff() {
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+func (self *StateDB) CreateOutputForDiff() {
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for _, stateObject := range self.stateObjects {
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stateObject.CreateOutputForDiff()
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}
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