func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) { var ( data = common.FromHex(tx["data"]) gas = common.Big(tx["gasLimit"]) price = common.Big(tx["gasPrice"]) value = common.Big(tx["value"]) nonce = common.Big(tx["nonce"]).Uint64() caddr = common.HexToAddress(env["currentCoinbase"]) ) var to *common.Address if len(tx["to"]) > 2 { t := common.HexToAddress(tx["to"]) to = &t } // Set pre compiled contracts vm.Precompiled = vm.PrecompiledContracts() snapshot := statedb.Copy() coinbase := statedb.GetOrNewStateObject(caddr) coinbase.SetGasLimit(common.Big(env["currentGasLimit"])) key, _ := hex.DecodeString(tx["secretKey"]) addr := crypto.PubkeyToAddress(crypto.ToECDSA(key).PublicKey) message := NewMessage(addr, to, data, value, gas, price, nonce) vmenv := NewEnvFromMap(statedb, env, tx) vmenv.origin = addr ret, _, err := core.ApplyMessage(vmenv, message, coinbase) if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) { statedb.Set(snapshot) } statedb.SyncObjects() return ret, vmenv.state.Logs(), vmenv.Gas, err }
func (env *Work) commitTransactions(transactions types.Transactions, gasPrice *big.Int, proc *core.BlockProcessor) { for _, tx := range transactions { // We can skip err. It has already been validated in the tx pool from, _ := tx.From() // Check if it falls within margin. Txs from owned accounts are always processed. if tx.GasPrice().Cmp(gasPrice) < 0 && !env.ownedAccounts.Has(from) { // ignore the transaction and transactor. We ignore the transactor // because nonce will fail after ignoring this transaction so there's // no point env.lowGasTransactors.Add(from) glog.V(logger.Info).Infof("transaction(%x) below gas price (tx=%v ask=%v). All sequential txs from this address(%x) will be ignored\n", tx.Hash().Bytes()[:4], common.CurrencyToString(tx.GasPrice()), common.CurrencyToString(gasPrice), from[:4]) } // Continue with the next transaction if the transaction sender is included in // the low gas tx set. This will also remove the tx and all sequential transaction // from this transactor if env.lowGasTransactors.Has(from) { // add tx to the low gas set. This will be removed at the end of the run // owned accounts are ignored if !env.ownedAccounts.Has(from) { env.lowGasTxs = append(env.lowGasTxs, tx) } continue } // Move on to the next transaction when the transactor is in ignored transactions set // This may occur when a transaction hits the gas limit. When a gas limit is hit and // the transaction is processed (that could potentially be included in the block) it // will throw a nonce error because the previous transaction hasn't been processed. // Therefor we need to ignore any transaction after the ignored one. if env.ignoredTransactors.Has(from) { continue } env.state.StartRecord(tx.Hash(), common.Hash{}, 0) err := env.commitTransaction(tx, proc) switch { case state.IsGasLimitErr(err): // ignore the transactor so no nonce errors will be thrown for this account // next time the worker is run, they'll be picked up again. env.ignoredTransactors.Add(from) glog.V(logger.Detail).Infof("Gas limit reached for (%x) in this block. Continue to try smaller txs\n", from[:4]) case err != nil: env.remove.Add(tx.Hash()) if glog.V(logger.Detail) { glog.Infof("TX (%x) failed, will be removed: %v\n", tx.Hash().Bytes()[:4], err) } default: env.tcount++ } } }
func (self *StateTransition) preCheck() (err error) { msg := self.msg sender, err := self.From() if err != nil { return err } // Make sure this transaction's nonce is correct if sender.Nonce() != msg.Nonce() { return NonceError(msg.Nonce(), sender.Nonce()) } // Pre-pay gas / Buy gas of the coinbase account if err = self.BuyGas(); err != nil { if state.IsGasLimitErr(err) { return err } return InvalidTxError(err) } return nil }