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@ -84,7 +84,7 @@ func (sm *StateManager) BlockChain() *BlockChain { |
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return sm.bc |
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return sm.bc |
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} |
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} |
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func (sm *StateManager) MakeContract(state *State, tx *Transaction) *StateObject { |
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func (sm *StateManager) MakeStateObject(state *State, tx *Transaction) *StateObject { |
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contract := MakeContract(tx, state) |
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contract := MakeContract(tx, state) |
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if contract != nil { |
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if contract != nil { |
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state.states[string(tx.CreationAddress())] = contract.state |
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state.states[string(tx.CreationAddress())] = contract.state |
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@ -97,40 +97,74 @@ func (sm *StateManager) MakeContract(state *State, tx *Transaction) *StateObject |
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// Apply transactions uses the transaction passed to it and applies them onto
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// Apply transactions uses the transaction passed to it and applies them onto
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// the current processing state.
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// the current processing state.
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func (sm *StateManager) ApplyTransactions(state *State, block *Block, txs []*Transaction) { |
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func (sm *StateManager) ApplyTransactions(state *State, block *Block, txs []*Transaction) ([]*Receipt, []*Transaction) { |
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// Process each transaction/contract
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// Process each transaction/contract
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var receipts []*Receipt |
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var validTxs []*Transaction |
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totalUsedGas := big.NewInt(0) |
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for _, tx := range txs { |
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for _, tx := range txs { |
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sm.ApplyTransaction(state, block, tx) |
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usedGas, err := sm.ApplyTransaction(state, block, tx) |
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if err != nil { |
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ethutil.Config.Log.Infoln(err) |
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continue |
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} |
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accumelative := new(big.Int).Set(totalUsedGas.Add(totalUsedGas, usedGas)) |
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receipt := &Receipt{tx, ethutil.CopyBytes(state.Root().([]byte)), accumelative} |
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receipts = append(receipts, receipt) |
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validTxs = append(validTxs, tx) |
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} |
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} |
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return receipts, txs |
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} |
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} |
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func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transaction) error { |
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func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transaction) (*big.Int, error) { |
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// If there's no recipient, it's a contract
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/* |
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// Check if this is a contract creation traction and if so
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Applies transactions to the given state and creates new |
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// create a contract of this tx.
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state objects where needed. |
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if tx.IsContract() { |
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err := sm.Ethereum.TxPool().ProcessTransaction(tx, block, false) |
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If said objects needs to be created |
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run the initialization script provided by the transaction and |
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assume there's a return value. The return value will be set to |
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the script section of the state object. |
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*/ |
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totalGasUsed := big.NewInt(0) |
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// Apply the transaction to the current state
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err := sm.Ethereum.TxPool().ProcessTransaction(tx, state, false) |
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if tx.CreatesContract() { |
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if err == nil { |
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if err == nil { |
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contract := sm.MakeContract(state, tx) |
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// Create a new state object and the transaction
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// as it's data provider.
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contract := sm.MakeStateObject(state, tx) |
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if contract != nil { |
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if contract != nil { |
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sm.EvalScript(state, contract.Init(), contract, tx, block) |
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// Evaluate the initialization script
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// and use the return value as the
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// script section for the state object.
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script, err := sm.EvalScript(state, contract.Init(), contract, tx, block) |
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if err != nil { |
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return nil, fmt.Errorf("[STATE] Error during init script run %v", err) |
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} |
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contract.script = script |
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state.UpdateStateObject(contract) |
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} else { |
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} else { |
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return fmt.Errorf("[STATE] Unable to create contract") |
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return nil, fmt.Errorf("[STATE] Unable to create contract") |
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} |
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} |
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} else { |
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} else { |
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return fmt.Errorf("[STATE] contract create:", err) |
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return nil, fmt.Errorf("[STATE] contract creation tx:", err) |
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} |
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} |
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} else { |
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} else { |
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err := sm.Ethereum.TxPool().ProcessTransaction(tx, block, false) |
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// Find the state object at the "recipient" address. If
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contract := state.GetStateObject(tx.Recipient) |
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// there's an object attempt to run the script.
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if err == nil && contract != nil && len(contract.Script()) > 0 { |
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stateObject := state.GetStateObject(tx.Recipient) |
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sm.EvalScript(state, contract.Script(), contract, tx, block) |
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if err == nil && stateObject != nil && len(stateObject.Script()) > 0 { |
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sm.EvalScript(state, stateObject.Script(), stateObject, tx, block) |
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} else if err != nil { |
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} else if err != nil { |
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return fmt.Errorf("[STATE] process:", err) |
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return nil, fmt.Errorf("[STATE] process:", err) |
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} |
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} |
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} |
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} |
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return nil |
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return totalGasUsed, nil |
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} |
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} |
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func (sm *StateManager) Process(block *Block, dontReact bool) error { |
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func (sm *StateManager) Process(block *Block, dontReact bool) error { |
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@ -276,6 +310,14 @@ func CalculateBlockReward(block *Block, uncleLength int) *big.Int { |
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for i := 0; i < uncleLength; i++ { |
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for i := 0; i < uncleLength; i++ { |
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base.Add(base, UncleInclusionReward) |
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base.Add(base, UncleInclusionReward) |
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} |
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} |
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lastCumulGasUsed := big.NewInt(0) |
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for _, r := range block.Receipts() { |
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usedGas := new(big.Int).Sub(r.CumulativeGasUsed, lastCumulGasUsed) |
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usedGas.Add(usedGas, r.Tx.GasPrice) |
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base.Add(base, usedGas) |
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} |
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return base.Add(base, BlockReward) |
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return base.Add(base, BlockReward) |
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} |
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} |
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@ -307,10 +349,10 @@ func (sm *StateManager) Stop() { |
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sm.bc.Stop() |
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sm.bc.Stop() |
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} |
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} |
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func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) { |
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func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, err error) { |
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account := state.GetAccount(tx.Sender()) |
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account := state.GetAccount(tx.Sender()) |
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err := account.ConvertGas(tx.Gas, tx.GasPrice) |
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err = account.ConvertGas(tx.Gas, tx.GasPrice) |
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if err != nil { |
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if err != nil { |
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ethutil.Config.Log.Debugln(err) |
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ethutil.Config.Log.Debugln(err) |
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return |
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return |
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@ -327,11 +369,13 @@ func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObj |
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Value: tx.Value, |
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Value: tx.Value, |
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//Price: tx.GasPrice,
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//Price: tx.GasPrice,
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}) |
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}) |
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closure.Call(vm, tx.Data, nil) |
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ret, err = closure.Call(vm, tx.Data, nil) |
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// Update the account (refunds)
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// Update the account (refunds)
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state.UpdateStateObject(account) |
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state.UpdateStateObject(account) |
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state.UpdateStateObject(object) |
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state.UpdateStateObject(object) |
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return |
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} |
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} |
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func (sm *StateManager) notifyChanges(state *State) { |
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func (sm *StateManager) notifyChanges(state *State) { |
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obscuren
10 years ago