示例#1
0
func (self *JSPipe) FromNumber(str string) string {
	if ethutil.IsHex(str) {
		str = str[2:]
	}

	return ethutil.BigD(ethutil.Hex2Bytes(str)).String()
}
示例#2
0
func (self *JSPipe) FromAscii(str string) string {
	if ethutil.IsHex(str) {
		str = str[2:]
	}

	return string(bytes.Trim(ethutil.Hex2Bytes(str), "\x00"))
}
示例#3
0
func (self *Object) StorageString(str string) *ethutil.Value {
	if ethutil.IsHex(str) {
		return self.Storage(ethutil.Hex2Bytes(str[2:]))
	} else {
		return self.Storage(ethutil.RightPadBytes([]byte(str), 32))
	}
}
示例#4
0
文件: pipe.go 项目: vmatekole/eth-go
func (self *Pipe) TransactString(key *ethcrypto.KeyPair, rec string, value, gas, price *ethutil.Value, data []byte) ([]byte, error) {
	// Check if an address is stored by this address
	var hash []byte
	addr := self.World().Config().Get("NameReg").StorageString(rec).Bytes()
	if len(addr) > 0 {
		hash = addr
	} else if ethutil.IsHex(rec) {
		hash = ethutil.Hex2Bytes(rec[2:])
	} else {
		hash = ethutil.Hex2Bytes(rec)
	}

	return self.Transact(key, hash, value, gas, price, data)
}
示例#5
0
func (self *UiLib) Transact(object map[string]interface{}) (*ethpipe.JSReceipt, error) {
	// Default values
	if object["from"] == nil {
		object["from"] = ""
	}
	if object["to"] == nil {
		object["to"] = ""
	}
	if object["value"] == nil {
		object["value"] = ""
	}
	if object["gas"] == nil {
		object["gas"] = ""
	}
	if object["gasPrice"] == nil {
		object["gasPrice"] = ""
	}

	var dataStr string
	var data []string
	if list, ok := object["data"].(*qml.List); ok {
		list.Convert(&data)
	}

	for _, str := range data {
		if ethutil.IsHex(str) {
			str = str[2:]

			if len(str) != 64 {
				str = ethutil.LeftPadString(str, 64)
			}
		} else {
			str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32))
		}

		dataStr += str
	}

	return self.JSPipe.Transact(
		object["from"].(string),
		object["to"].(string),
		object["value"].(string),
		object["gas"].(string),
		object["gasPrice"].(string),
		dataStr,
	)
}
示例#6
0
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
}