Examples with TransactionSignature io.nuls.kernel.script.TransactionSignature used on opensource projects

Example 6 with TransactionSignature

use of io.nuls.kernel.script.TransactionSignature in project nuls by nuls-io.

the class CancelDepositTxValidator method validate.

@Override
public ValidateResult validate(CancelDepositTransaction data) throws NulsException {
    DepositPo depositPo = depositStorageService.get(data.getTxData().getJoinTxHash());
    if (null == depositPo || depositPo.getDelHeight() > 0) {
        return ValidateResult.getFailedResult(this.getClass().getName(), KernelErrorCode.DATA_NOT_FOUND);
    }
    TransactionSignature sig = new TransactionSignature();
    try {
        sig.parse(data.getTransactionSignature(), 0);
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(this.getClass().getName(), e.getErrorCode());
    }
    if (!SignatureUtil.containsAddress(data, depositPo.getAddress())) {
        ValidateResult result = ValidateResult.getFailedResult(this.getClass().getName(), KernelErrorCode.SIGNATURE_ERROR);
        result.setLevel(SeverityLevelEnum.FLAGRANT_FOUL);
        return result;
    }
    return ValidateResult.getSuccessResult();
}

Example 7 with TransactionSignature

use of io.nuls.kernel.script.TransactionSignature in project nuls by nuls-io.

the class DepositTxValidator method validate.

@Override
public ValidateResult validate(DepositTransaction tx) throws NulsException {
    if (null == tx || null == tx.getTxData() || null == tx.getTxData().getAgentHash() || null == tx.getTxData().getDeposit() || null == tx.getTxData().getAddress()) {
        return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
    }
    Deposit deposit = tx.getTxData();
    AgentPo agentPo = agentStorageService.get(deposit.getAgentHash());
    if (null == agentPo || agentPo.getDelHeight() > 0) {
        return ValidateResult.getFailedResult(this.getClass().getName(), PocConsensusErrorCode.AGENT_NOT_EXIST);
    }
    List<DepositPo> poList = this.getDepositListByAgent(deposit.getAgentHash());
    if (null != poList && poList.size() >= PocConsensusProtocolConstant.MAX_ACCEPT_NUM_OF_DEPOSIT) {
        return ValidateResult.getFailedResult(this.getClass().getName(), PocConsensusErrorCode.DEPOSIT_OVER_COUNT);
    }
    Na limit = PocConsensusProtocolConstant.ENTRUSTER_DEPOSIT_LOWER_LIMIT;
    Na max = PocConsensusProtocolConstant.SUM_OF_DEPOSIT_OF_AGENT_UPPER_LIMIT;
    Na total = Na.ZERO;
    for (DepositPo cd : poList) {
        total = total.add(cd.getDeposit());
    }
    if (limit.isGreaterThan(deposit.getDeposit())) {
        return ValidateResult.getFailedResult(this.getClass().getName(), PocConsensusErrorCode.DEPOSIT_NOT_ENOUGH);
    }
    if (max.isLessThan(total.add(deposit.getDeposit()))) {
        return ValidateResult.getFailedResult(this.getClass().getName(), PocConsensusErrorCode.DEPOSIT_TOO_MUCH);
    }
    if (!isDepositOk(deposit.getDeposit(), tx.getCoinData())) {
        return ValidateResult.getFailedResult(this.getClass().getName(), SeverityLevelEnum.FLAGRANT_FOUL, PocConsensusErrorCode.DEPOSIT_ERROR);
    }
    TransactionSignature sig = new TransactionSignature();
    try {
        sig.parse(tx.getTransactionSignature(), 0);
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(this.getClass().getName(), e.getErrorCode());
    }
    if (!SignatureUtil.containsAddress(tx, deposit.getAddress())) {
        ValidateResult result = ValidateResult.getFailedResult(this.getClass().getName(), KernelErrorCode.SIGNATURE_ERROR);
        result.setLevel(SeverityLevelEnum.FLAGRANT_FOUL);
        return result;
    }
    CoinData coinData = tx.getCoinData();
    Set<String> addressSet = new HashSet<>();
    int lockCount = 0;
    for (Coin coin : coinData.getTo()) {
        if (coin.getLockTime() == PocConsensusConstant.CONSENSUS_LOCK_TIME) {
            lockCount++;
        }
        // addressSet.add(AddressTool.getStringAddressByBytes(coin.()));
        addressSet.add(AddressTool.getStringAddressByBytes(coin.getAddress()));
    }
    if (lockCount > 1) {
        return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
    }
    if (addressSet.size() > 1) {
        return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.TX_DATA_VALIDATION_ERROR);
    }
    return ValidateResult.getSuccessResult();
}

Example 8 with TransactionSignature

use of io.nuls.kernel.script.TransactionSignature in project nuls by nuls-io.

the class Test method main.

public static void main(String[] args) {
    String str = "2102ac3f8f73d6a0f23d9ecd797fb14f96e82a032bb972f1ee39b4bf443d07a5d55e004630440220668f5538cdbbd90e3dfc1ea1197ddb03cd8628dedfc77afad795140f3867560302202453d0991dc254ae2a5f40f915ef22e0c0e9ba315516d22eaa2e002fc9239147";
    TransactionSignature signature = new TransactionSignature();
    try {
        signature.parse(str.getBytes(), 0);
    } catch (NulsException e) {
        Log.error(e);
    }
    signature.getP2PHKSignatures().forEach(p -> {
        System.out.println(Arrays.toString(p.getPublicKey()));
    });
}

Example 9 with TransactionSignature

use of io.nuls.kernel.script.TransactionSignature in project nuls by nuls-io.

the class AccountLedgerResource method getUnconfirmedTx.

/**
 * 获取未确认的交易
 */
private Result getUnconfirmedTx(String hash) {
    Result result = null;
    try {
        Result<Transaction> txResult = accountLedgerService.getUnconfirmedTransaction(NulsDigestData.fromDigestHex(hash));
        if (txResult.isFailed() || null == txResult.getData()) {
            result = Result.getFailed(TransactionErrorCode.TX_NOT_EXIST);
        } else {
            Transaction tx = txResult.getData();
            tx.setStatus(TxStatusEnum.UNCONFIRM);
            String fromAddress = null;
            if (tx.getTransactionSignature() != null) {
                TransactionSignature signature = new TransactionSignature();
                signature.parse(new NulsByteBuffer(tx.getTransactionSignature()));
                if (signature.getP2PHKSignatures() != null && signature.getP2PHKSignatures().size() == 1) {
                    byte[] addressBytes = AddressTool.getAddress(signature.getP2PHKSignatures().get(0).getPublicKey());
                    fromAddress = AddressTool.getStringAddressByBytes(addressBytes);
                }
            }
            TransactionDto txDto = null;
            CoinData coinData = tx.getCoinData();
            if (coinData != null) {
                // 组装from数据
                List<Coin> froms = coinData.getFrom();
                if (froms != null && froms.size() > 0) {
                    byte[] fromHash, owner;
                    int fromIndex;
                    NulsDigestData fromHashObj;
                    Transaction fromTx;
                    Coin fromUtxo;
                    for (Coin from : froms) {
                        if (fromAddress != null) {
                            from.setFromAddress(fromAddress);
                        } else {
                            owner = from.getOwner();
                            // owner拆分出txHash和index
                            fromHash = AccountLegerUtils.getTxHashBytes(owner);
                            fromIndex = AccountLegerUtils.getIndex(owner);
                            // 查询from UTXO
                            fromHashObj = new NulsDigestData();
                            fromHashObj.parse(fromHash, 0);
                            // 获取上一笔的to,先查未确认,如果没有再查已确认
                            fromTx = accountLedgerService.getUnconfirmedTransaction(fromHashObj).getData();
                            if (null == fromTx) {
                                fromTx = ledgerService.getTx(fromHashObj);
                            }
                            fromUtxo = fromTx.getCoinData().getTo().get(fromIndex);
                            from.setFrom(fromUtxo);
                        }
                    }
                }
                txDto = new TransactionDto(tx);
                List<OutputDto> outputDtoList = new ArrayList<>();
                // 组装to数据
                List<Coin> tos = coinData.getTo();
                if (tos != null && tos.size() > 0) {
                    String txHash = hash;
                    OutputDto outputDto = null;
                    Coin to;
                    for (int i = 0, length = tos.size(); i < length; i++) {
                        to = tos.get(i);
                        outputDto = new OutputDto(to);
                        outputDto.setTxHash(txHash);
                        outputDto.setIndex(i);
                        outputDto.setStatus(0);
                        outputDtoList.add(outputDto);
                    }
                }
                txDto.setOutputs(outputDtoList);
                // 计算交易实际发生的金额
                calTransactionValue(txDto);
            }
            result = Result.getSuccess();
            result.setData(txDto);
        }
    } catch (NulsRuntimeException re) {
        Log.error(re);
        result = Result.getFailed(re.getErrorCode());
    } catch (Exception e) {
        Log.error(e);
        result = Result.getFailed(LedgerErrorCode.SYS_UNKOWN_EXCEPTION);
    }
    return result;
}

Example 10 with TransactionSignature

use of io.nuls.kernel.script.TransactionSignature in project nuls by nuls-io.

the class AliasTransactionValidator method validate.

@Override
public ValidateResult validate(AliasTransaction tx) {
    Alias alias = tx.getTxData();
    if (tx.isSystemTx()) {
        return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.TX_TYPE_ERROR);
    }
    if (NulsContext.CONTRACT_ADDRESS_TYPE == alias.getAddress()[2]) {
        return ValidateResult.getFailedResult(this.getClass().getName(), AccountErrorCode.ADDRESS_ERROR);
    }
    if (!StringUtils.validAlias(alias.getAlias())) {
        return ValidateResult.getFailedResult(this.getClass().getName(), AccountErrorCode.ALIAS_FORMAT_WRONG);
    }
    if (!aliasService.isAliasUsable(alias.getAlias())) {
        return ValidateResult.getFailedResult(this.getClass().getName(), AccountErrorCode.ALIAS_EXIST);
    }
    List<AliasPo> list = aliasStorageService.getAliasList().getData();
    for (AliasPo aliasPo : list) {
        if (Arrays.equals(aliasPo.getAddress(), alias.getAddress())) {
            return ValidateResult.getFailedResult(this.getClass().getName(), AccountErrorCode.ACCOUNT_ALREADY_SET_ALIAS);
        }
    }
    CoinData coinData = tx.getCoinData();
    if (null == coinData || null == coinData.getTo() || coinData.getTo().isEmpty()) {
        return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.COINDATA_NOT_FOUND);
    }
    boolean burned = false;
    for (Coin coin : coinData.getTo()) {
        if (ArraysTool.arrayEquals(coin.getOwner(), NulsConstant.BLACK_HOLE_ADDRESS) && coin.getNa().equals(Na.NA)) {
            burned = true;
            break;
        }
        if (!burned && !ArraysTool.arrayEquals(coin.getOwner(), NulsConstant.BLACK_HOLE_ADDRESS_TEST_NET) && coin.getNa().equals(Na.NA)) {
            burned = true;
            break;
        }
    }
    if (!burned) {
        return ValidateResult.getFailedResult(this.getClass().getName(), AccountErrorCode.MUST_BURN_A_NULS);
    }
    TransactionSignature sig = new TransactionSignature();
    try {
        sig.parse(tx.getTransactionSignature(), 0);
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(this.getClass().getName(), e.getErrorCode());
    }
    boolean sign;
    try {
        sign = SignatureUtil.containsAddress(tx, tx.getTxData().getAddress());
    } catch (NulsException e) {
        sign = false;
    }
    if (!sign) {
        ValidateResult result = ValidateResult.getFailedResult(this.getClass().getName(), AccountErrorCode.ADDRESS_ERROR);
        result.setLevel(SeverityLevelEnum.FLAGRANT_FOUL);
        return result;
    }
    return ValidateResult.getSuccessResult();
}