Example 1 with RlpType
use of org.fisco.bcos.web3j.rlp.RlpType in project web3sdk by FISCO-BCOS.
the class ContractUtils method generateContractAddress.
/**
* Generate a smart contract address. This enables you to identify what address a smart contract
* will be deployed to on the network.
*
* @param address of sender
* @param nonce of transaction
* @return the generated smart contract address
*/
public static byte[] generateContractAddress(byte[] address, BigInteger nonce) {
List<RlpType> values = new ArrayList<>();
values.add(RlpString.create(address));
values.add(RlpString.create(nonce));
RlpList rlpList = new RlpList(values);
byte[] encoded = RlpEncoder.encode(rlpList);
byte[] hashed = Hash.sha3(encoded);
return Arrays.copyOfRange(hashed, 12, hashed.length);
}Example 2 with RlpType
use of org.fisco.bcos.web3j.rlp.RlpType in project web3sdk by FISCO-BCOS.
the class TransactionEncoder method asRlpValues.
static List<RlpType> asRlpValues(RawTransaction rawTransaction, Sign.SignatureData signatureData) {
List<RlpType> result = new ArrayList<>();
result.add(RlpString.create(rawTransaction.getRandomid()));
result.add(RlpString.create(rawTransaction.getGasPrice()));
result.add(RlpString.create(rawTransaction.getGasLimit()));
result.add(RlpString.create(rawTransaction.getBlockLimit()));
// an empty to address (contract creation) should not be encoded as a numeric 0 value
String to = rawTransaction.getTo();
if (to != null && to.length() > 0) {
// addresses that start with zeros should be encoded with the zeros included, not
// as numeric values
result.add(RlpString.create(Numeric.hexStringToByteArray(to)));
} else {
result.add(RlpString.create(""));
}
result.add(RlpString.create(rawTransaction.getValue()));
// value field will already be hex encoded, so we need to convert into binary first
byte[] data = Numeric.hexStringToByteArray(rawTransaction.getData());
result.add(RlpString.create(data));
if (signatureData != null) {
if (EncryptType.encryptType == 1) {
result.add(RlpString.create(signatureData.getPub()));
// logger.debug("RLP-Pub:{},RLP-PubLen:{}",Hex.toHexString(signatureData.getPub()),signatureData.getPub().length);
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getR())));
// logger.debug("RLP-R:{},RLP-RLen:{}",Hex.toHexString(signatureData.getR()),signatureData.getR().length);
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getS())));
// logger.debug("RLP-S:{},RLP-SLen:{}",Hex.toHexString(signatureData.getS()),signatureData.getS().length);
} else {
result.add(RlpString.create(signatureData.getV()));
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getR())));
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getS())));
}
}
return result;
}Example 3 with RlpType
use of org.fisco.bcos.web3j.rlp.RlpType in project web3sdk by FISCO-BCOS.
the class TransactionEncoder method encode.
public static byte[] encode(RawTransaction rawTransaction, Sign.SignatureData signatureData) {
List<RlpType> values = asRlpValues(rawTransaction, signatureData);
RlpList rlpList = new RlpList(values);
return RlpEncoder.encode(rlpList);
}Example 4 with RlpType
use of org.fisco.bcos.web3j.rlp.RlpType in project web3sdk by FISCO-BCOS.
the class ExtendedTransactionEncoder method encode.
public static byte[] encode(ExtendedRawTransaction rawTransaction, Sign.SignatureData signatureData) {
List<RlpType> values = asRlpValues(rawTransaction, signatureData);
RlpList rlpList = new RlpList(values);
return RlpEncoder.encode(rlpList);
}Example 5 with RlpType
use of org.fisco.bcos.web3j.rlp.RlpType in project web3sdk by FISCO-BCOS.
the class ExtendedTransactionEncoder method asRlpValues.
static List<RlpType> asRlpValues(ExtendedRawTransaction rawTransaction, Sign.SignatureData signatureData) {
List<RlpType> result = new ArrayList<>();
result.add(RlpString.create(rawTransaction.getRandomid()));
result.add(RlpString.create(rawTransaction.getGasPrice()));
result.add(RlpString.create(rawTransaction.getGasLimit()));
result.add(RlpString.create(rawTransaction.getBlockLimit()));
// an empty to address (contract creation) should not be encoded as a numeric 0 value
String to = rawTransaction.getTo();
if (to != null && to.length() > 0) {
// addresses that start with zeros should be encoded with the zeros included, not
// as numeric values
result.add(RlpString.create(Numeric.hexStringToByteArray(to)));
} else {
result.add(RlpString.create(""));
}
result.add(RlpString.create(rawTransaction.getValue()));
// value field will already be hex encoded, so we need to convert into binary first
byte[] data = Numeric.hexStringToByteArray(rawTransaction.getData());
result.add(RlpString.create(data));
// add extra data!!!
result.add(RlpString.create(rawTransaction.getFiscoChainId()));
result.add(RlpString.create(rawTransaction.getGroupId()));
if (rawTransaction.getExtraData() == null) {
result.add(RlpString.create(""));
} else {
result.add(RlpString.create(Numeric.hexStringToByteArray(rawTransaction.getExtraData())));
}
if (signatureData != null) {
if (EncryptType.encryptType == 1) {
// Note: shouldn't trimLeadingZeroes here for the Pub must be with the length of 64
// Bytes
result.add(RlpString.create(signatureData.getPub()));
// logger.debug("RLP-Pub:{},RLP-PubLen:{}",Hex.toHexString(signatureData.getPub()),signatureData.getPub().length);
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getR())));
// logger.debug("RLP-R:{},RLP-RLen:{}",Hex.toHexString(signatureData.getR()),signatureData.getR().length);
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getS())));
// logger.debug("RLP-S:{},RLP-SLen:{}",Hex.toHexString(signatureData.getS()),signatureData.getS().length);
} else {
result.add(RlpString.create(signatureData.getV()));
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getR())));
result.add(RlpString.create(Bytes.trimLeadingZeroes(signatureData.getS())));
}
}
return result;
}