func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { // this minimalistic recoding is enough (works for natspec.js) var jsontx = fmt.Sprintf(`{"params":[{"to":"%s","data": "%s"}]}`, toStr, codeStr) if !self.ConfirmTransaction(jsontx) { err := fmt.Errorf("Transaction not confirmed") return "", err } if len(toStr) > 0 && toStr != "0x" && !isAddress(toStr) { return "", errors.New("Invalid address") } var ( from = common.HexToAddress(fromStr) to = common.HexToAddress(toStr) value = common.Big(valueStr) gas *big.Int price *big.Int data []byte contractCreation bool ) if len(gasStr) == 0 { gas = DefaultGas() } else { gas = common.Big(gasStr) } if len(gasPriceStr) == 0 { price = self.DefaultGasPrice() } else { price = common.Big(gasPriceStr) } data = common.FromHex(codeStr) if len(toStr) == 0 { contractCreation = true } if gas.Cmp(big.NewInt(90000)) < 0 { glog.Infof("(Gas set to %v for hash: %x. Miners can ignore transactions with a low amount of gas.", gas, toStr) } // 2015-05-18 Is this still needed? // TODO if no_private_key then //if _, exists := p.register[args.From]; exists { // p.register[args.From] = append(p.register[args.From], args) //} else { /* account := accounts.Get(common.FromHex(args.From)) if account != nil { if account.Unlocked() { if !unlockAccount(account) { return } } result, _ := account.Transact(common.FromHex(args.To), common.FromHex(args.Value), common.FromHex(args.Gas), common.FromHex(args.GasPrice), common.FromHex(args.Data)) if len(result) > 0 { *reply = common.ToHex(result) } } else if _, exists := p.register[args.From]; exists { p.register[ags.From] = append(p.register[args.From], args) } */ self.transactMu.Lock() defer self.transactMu.Unlock() var nonce uint64 if len(nonceStr) != 0 { nonce = common.Big(nonceStr).Uint64() } else { state := self.backend.TxPool().State() nonce = state.GetNonce(from) } var tx *types.Transaction if contractCreation { tx = types.NewContractCreation(nonce, value, gas, price, data) } else { tx = types.NewTransaction(nonce, to, value, gas, price, data) } signed, err := self.sign(tx, from, false) if err != nil { return "", err } if err = self.backend.TxPool().Add(signed, true); err != nil { return "", err } if contractCreation { addr := crypto.CreateAddress(from, nonce) glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signed.Hash().Hex(), addr.Hex()) } else { glog.V(logger.Info).Infof("Tx(%s) to: %s\n", signed.Hash().Hex(), tx.To().Hex()) } return signed.Hash().Hex(), nil }
func (tx *tx) UnmarshalJSON(b []byte) (err error) { var fields map[string]interface{} if err := json.Unmarshal(b, &fields); err != nil { return shared.NewDecodeParamError(err.Error()) } var ( nonce uint64 to common.Address amount = new(big.Int).Set(common.Big0) gasLimit = new(big.Int).Set(common.Big0) gasPrice = new(big.Int).Set(common.Big0) data []byte contractCreation = true ) if val, found := fields["Hash"]; found { if hashVal, ok := val.(string); ok { tx.Hash = hashVal } } if val, found := fields["To"]; found { if strVal, ok := val.(string); ok && len(strVal) > 0 { tx.To = strVal to = common.HexToAddress(strVal) contractCreation = false } } if val, found := fields["From"]; found { if strVal, ok := val.(string); ok { tx.From = strVal } } if val, found := fields["Nonce"]; found { if strVal, ok := val.(string); ok { tx.Nonce = strVal if nonce, err = strconv.ParseUint(strVal, 10, 64); err != nil { return shared.NewDecodeParamError(fmt.Sprintf("Unable to decode tx.Nonce - %v", err)) } } } else { return shared.NewDecodeParamError("tx.Nonce not found") } var parseOk bool if val, found := fields["Value"]; found { if strVal, ok := val.(string); ok { tx.Value = strVal if _, parseOk = amount.SetString(strVal, 0); !parseOk { return shared.NewDecodeParamError(fmt.Sprintf("Unable to decode tx.Amount - %v", err)) } } } if val, found := fields["Data"]; found { if strVal, ok := val.(string); ok { tx.Data = strVal if strings.HasPrefix(strVal, "0x") { data = common.Hex2Bytes(strVal[2:]) } else { data = common.Hex2Bytes(strVal) } } } if val, found := fields["GasLimit"]; found { if strVal, ok := val.(string); ok { tx.GasLimit = strVal if _, parseOk = gasLimit.SetString(strVal, 0); !parseOk { return shared.NewDecodeParamError(fmt.Sprintf("Unable to decode tx.GasLimit - %v", err)) } } } if val, found := fields["GasPrice"]; found { if strVal, ok := val.(string); ok { tx.GasPrice = strVal if _, parseOk = gasPrice.SetString(strVal, 0); !parseOk { return shared.NewDecodeParamError(fmt.Sprintf("Unable to decode tx.GasPrice - %v", err)) } } } if contractCreation { tx.tx = types.NewContractCreation(nonce, amount, gasLimit, gasPrice, data) } else { tx.tx = types.NewTransaction(nonce, to, amount, gasLimit, gasPrice, data) } return nil }