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Canonical contract creation

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This commit is contained in:
obscuren
2014-05-22 18:24:04 +02:00
parent cc8464ce80
commit 281559d427
5 changed files with 28 additions and 17 deletions
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22
ethchain/state_manager.go
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@@ -84,7 +84,7 @@ func (sm *StateManager) BlockChain() *BlockChain {
return sm.bc
}
func (sm *StateManager) MakeContract(state *State, tx *Transaction) *StateObject {
func (sm *StateManager) MakeStateObject(state *State, tx *Transaction) *StateObject {
contract := MakeContract(tx, state)
if contract != nil {
state.states[string(tx.CreationAddress())] = contract.state
@@ -123,18 +123,24 @@ func (sm *StateManager) ApplyTransaction(state *State, block *Block, tx *Transac
// If there's no recipient, it's a contract
// Check if this is a contract creation traction and if so
// create a contract of this tx.
// TODO COMMENT THIS SECTION
totalGasUsed := big.NewInt(0)
if tx.IsContract() {
err := sm.Ethereum.TxPool().ProcessTransaction(tx, state, false)
if err == nil {
contract := sm.MakeContract(state, tx)
contract := sm.MakeStateObject(state, tx)
if contract != nil {
sm.EvalScript(state, contract.Init(), contract, tx, block)
script, err := sm.EvalScript(state, contract.Init(), contract, tx, block)
if err != nil {
return nil, fmt.Errorf("[STATE] Error during init script run %v", err)
}
contract.script = script
state.UpdateStateObject(contract)
} else {
return nil, fmt.Errorf("[STATE] Unable to create contract")
}
} else {
return nil, fmt.Errorf("[STATE] contract create:", err)
return nil, fmt.Errorf("[STATE] contract creation tx:", err)
}
} else {
err := sm.Ethereum.TxPool().ProcessTransaction(tx, state, false)
@@ -331,10 +337,10 @@ func (sm *StateManager) Stop() {
sm.bc.Stop()
}
func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) {
func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObject, tx *Transaction, block *Block) (ret []byte, err error) {
account := state.GetAccount(tx.Sender())
err := account.ConvertGas(tx.Gas, tx.GasPrice)
err = account.ConvertGas(tx.Gas, tx.GasPrice)
if err != nil {
ethutil.Config.Log.Debugln(err)
return
@@ -351,11 +357,13 @@ func (sm *StateManager) EvalScript(state *State, script []byte, object *StateObj
Value: tx.Value,
//Price: tx.GasPrice,
})
closure.Call(vm, tx.Data, nil)
ret, err = closure.Call(vm, tx.Data, nil)
// Update the account (refunds)
state.UpdateStateObject(account)
state.UpdateStateObject(object)
return
}
func (sm *StateManager) notifyChanges(state *State) {