func (self *Pipe) Transact(key *ethcrypto.KeyPair, rec []byte, value, gas, price *ethutil.Value, data []byte) ([]byte, error) {
var hash []byte
var contractCreation bool
if rec == nil {
contractCreation = true
}
var tx *ethchain.Transaction
// Compile and assemble the given data
if contractCreation {
script, err := ethutil.Compile(string(data), false)
if err != nil {
return nil, err
}
tx = ethchain.NewContractCreationTx(value.BigInt(), gas.BigInt(), price.BigInt(), script)
} else {
data := ethutil.StringToByteFunc(string(data), func(s string) (ret []byte) {
slice := strings.Split(s, "\n")
for _, dataItem := range slice {
d := ethutil.FormatData(dataItem)
ret = append(ret, d...)
}
return
})
tx = ethchain.NewTransactionMessage(hash, value.BigInt(), gas.BigInt(), price.BigInt(), data)
}
acc := self.stateManager.TransState().GetOrNewStateObject(key.Address())
tx.Nonce = acc.Nonce
acc.Nonce += 1
self.stateManager.TransState().UpdateStateObject(acc)
tx.Sign(key.PrivateKey)
self.obj.TxPool().QueueTransaction(tx)
if contractCreation {
logger.Infof("Contract addr %x", tx.CreationAddress())
return tx.CreationAddress(), nil
}
return tx.Hash(), nil
}
func NewJSTx(tx *ethchain.Transaction) *JSTransaction {
hash := ethutil.Bytes2Hex(tx.Hash())
receiver := ethutil.Bytes2Hex(tx.Recipient)
if receiver == "0000000000000000000000000000000000000000" {
receiver = ethutil.Bytes2Hex(tx.CreationAddress())
}
sender := ethutil.Bytes2Hex(tx.Sender())
createsContract := tx.CreatesContract()
var data string
if tx.CreatesContract() {
data = strings.Join(ethchain.Disassemble(tx.Data), "\n")
} else {
data = ethutil.Bytes2Hex(tx.Data)
}
return &JSTransaction{ref: tx, Hash: hash, Value: ethutil.CurrencyToString(tx.Value), Address: receiver, Contract: tx.CreatesContract(), Gas: tx.Gas.String(), GasPrice: tx.GasPrice.String(), Data: data, Sender: sender, CreatesContract: createsContract, RawData: ethutil.Bytes2Hex(tx.Data)}
}
func (self *JSPipe) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (*JSReceipt, error) {
var hash []byte
var contractCreation bool
if len(toStr) == 0 {
contractCreation = true
} else {
// Check if an address is stored by this address
addr := self.World().Config().Get("NameReg").StorageString(toStr).Bytes()
if len(addr) > 0 {
hash = addr
} else {
hash = ethutil.Hex2Bytes(toStr)
}
}
var keyPair *ethcrypto.KeyPair
var err error
if ethutil.IsHex(key) {
keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key[2:])))
} else {
keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key)))
}
if err != nil {
return nil, err
}
var (
value = ethutil.Big(valueStr)
gas = ethutil.Big(gasStr)
gasPrice = ethutil.Big(gasPriceStr)
data []byte
tx *ethchain.Transaction
)
if ethutil.IsHex(codeStr) {
data = ethutil.Hex2Bytes(codeStr[2:])
} else {
data = ethutil.Hex2Bytes(codeStr)
}
if contractCreation {
tx = ethchain.NewContractCreationTx(value, gas, gasPrice, data)
} else {
tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
}
acc := self.obj.StateManager().TransState().GetOrNewStateObject(keyPair.Address())
tx.Nonce = acc.Nonce
acc.Nonce += 1
self.obj.StateManager().TransState().UpdateStateObject(acc)
tx.Sign(keyPair.PrivateKey)
self.obj.TxPool().QueueTransaction(tx)
if contractCreation {
logger.Infof("Contract addr %x", tx.CreationAddress())
}
return NewJSReciept(contractCreation, tx.CreationAddress(), tx.Hash(), keyPair.Address()), nil
}
func NewTxFromTransaction(tx *ethchain.Transaction) *Tx {
hash := hex.EncodeToString(tx.Hash())
sender := hex.EncodeToString(tx.Recipient)
return &Tx{Hash: hash, Value: ethutil.CurrencyToString(tx.Value), Address: sender}
}