func (self *XEth) PushTx(encodedTx string) (string, error) { tx := new(types.Transaction) err := rlp.DecodeBytes(common.FromHex(encodedTx), tx) if err != nil { glog.V(logger.Error).Infoln(err) return "", err } err = self.backend.TxPool().Add(tx, true) if err != nil { return "", err } if tx.To() == nil { from, err := tx.From() if err != nil { return "", err } addr := crypto.CreateAddress(from, tx.Nonce()) glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr) } else { glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To()) } return tx.Hash().Hex(), nil }
// validate and queue transactions. func (self *TxPool) add(tx *types.Transaction, owned bool) error { hash := tx.Hash() if self.pending[hash] != nil { return fmt.Errorf("Known transaction (%x)", hash[:4]) } err := self.validateTx(tx) if err != nil { return err } self.queueTx(hash, tx, owned) if glog.V(logger.Debug) { var toname string if to := tx.To(); to != nil { toname = common.Bytes2Hex(to[:4]) } else { toname = "[NEW_CONTRACT]" } // we can ignore the error here because From is // verified in ValidateTransaction. f, _ := tx.From() from := common.Bytes2Hex(f[:4]) glog.Infof("(t) %x => %s (%v) %x\n", from, toname, tx.Value, hash) } return nil }
func NewTx(tx *types.Transaction) *Transaction { sender, err := tx.From() if err != nil { return nil } hash := tx.Hash().Hex() var receiver string if to := tx.To(); to != nil { receiver = to.Hex() } else { from, _ := tx.From() receiver = crypto.CreateAddress(from, tx.Nonce()).Hex() } createsContract := core.MessageCreatesContract(tx) var data string if createsContract { data = strings.Join(core.Disassemble(tx.Data()), "\n") } else { data = common.ToHex(tx.Data()) } return &Transaction{ref: tx, Hash: hash, Value: common.CurrencyToString(tx.Value()), Address: receiver, Contract: createsContract, Gas: tx.Gas().String(), GasPrice: tx.GasPrice().String(), Data: data, Sender: sender.Hex(), CreatesContract: createsContract, RawData: common.ToHex(tx.Data())} }
func newTx(t *types.Transaction) *tx { from, _ := t.From() var to string if t := t.To(); t != nil { to = t.Hex() } return &tx{ tx: t, To: to, From: from.Hex(), Value: t.Value().String(), Nonce: strconv.Itoa(int(t.Nonce())), Data: "0x" + common.Bytes2Hex(t.Data()), GasLimit: t.Gas().String(), GasPrice: t.GasPrice().String(), Hash: t.Hash().Hex(), } }
func NewTransactionRes(tx *types.Transaction) *TransactionRes { if tx == nil { return nil } var v = new(TransactionRes) v.Hash = newHexData(tx.Hash()) v.Nonce = newHexNum(tx.Nonce()) // v.BlockHash = // v.BlockNumber = // v.TxIndex = from, _ := tx.From() v.From = newHexData(from) v.To = newHexData(tx.To()) v.Value = newHexNum(tx.Value()) v.Gas = newHexNum(tx.Gas()) v.GasPrice = newHexNum(tx.GasPrice()) v.Input = newHexData(tx.Data()) return v }
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 verifyTxFields(txTest TransactionTest, decodedTx *types.Transaction) (err error) { defer func() { if recovered := recover(); recovered != nil { buf := make([]byte, 64<<10) buf = buf[:runtime.Stack(buf, false)] err = fmt.Errorf("%v\n%s", recovered, buf) } }() decodedSender, err := decodedTx.From() if err != nil { return err } expectedSender := mustConvertAddress(txTest.Sender) if expectedSender != decodedSender { return fmt.Errorf("Sender mismatch: %v %v", expectedSender, decodedSender) } expectedData := mustConvertBytes(txTest.Transaction.Data) if !bytes.Equal(expectedData, decodedTx.Data()) { return fmt.Errorf("Tx input data mismatch: %#v %#v", expectedData, decodedTx.Data()) } expectedGasLimit := mustConvertBigInt(txTest.Transaction.GasLimit, 16) if expectedGasLimit.Cmp(decodedTx.Gas()) != 0 { return fmt.Errorf("GasLimit mismatch: %v %v", expectedGasLimit, decodedTx.Gas()) } expectedGasPrice := mustConvertBigInt(txTest.Transaction.GasPrice, 16) if expectedGasPrice.Cmp(decodedTx.GasPrice()) != 0 { return fmt.Errorf("GasPrice mismatch: %v %v", expectedGasPrice, decodedTx.GasPrice()) } expectedNonce := mustConvertUint(txTest.Transaction.Nonce, 16) if expectedNonce != decodedTx.Nonce() { return fmt.Errorf("Nonce mismatch: %v %v", expectedNonce, decodedTx.Nonce()) } v, r, s := decodedTx.SignatureValues() expectedR := mustConvertBigInt(txTest.Transaction.R, 16) if r.Cmp(expectedR) != 0 { return fmt.Errorf("R mismatch: %v %v", expectedR, r) } expectedS := mustConvertBigInt(txTest.Transaction.S, 16) if s.Cmp(expectedS) != 0 { return fmt.Errorf("S mismatch: %v %v", expectedS, s) } expectedV := mustConvertUint(txTest.Transaction.V, 16) if uint64(v) != expectedV { return fmt.Errorf("V mismatch: %v %v", expectedV, v) } expectedTo := mustConvertAddress(txTest.Transaction.To) if decodedTx.To() == nil { if expectedTo != common.BytesToAddress([]byte{}) { // "empty" or "zero" address return fmt.Errorf("To mismatch when recipient is nil (contract creation): %v", expectedTo) } } else { if expectedTo != *decodedTx.To() { return fmt.Errorf("To mismatch: %v %v", expectedTo, *decodedTx.To()) } } expectedValue := mustConvertBigInt(txTest.Transaction.Value, 16) if expectedValue.Cmp(decodedTx.Value()) != 0 { return fmt.Errorf("Value mismatch: %v %v", expectedValue, decodedTx.Value()) } return nil }