Examples with P2PHKSignature io.nuls.kernel.script.P2PHKSignature used on opensource projects

Example 1 with P2PHKSignature

use of io.nuls.kernel.script.P2PHKSignature in project nuls by nuls-io.

the class AccountLedgerResource method signMultipleTx.

@POST
@Path("/signMultipleTx")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation(value = "签名多地址转账交易", notes = "result.data: resultJson 返回签名后的txHex")
@ApiResponses(value = { @ApiResponse(code = 200, message = "success") })
public RpcClientResult signMultipleTx(@ApiParam(name = "form", value = "签名多地址转账交易", required = true) MulitpleTxForm form) {
    String txHex = form.getTxHex();
    List<String> priKeys = form.getPriKeys();
    String password = form.getPassword();
    if (StringUtils.isBlank(txHex) || priKeys.isEmpty()) {
        return Result.getFailed(AccountErrorCode.PARAMETER_ERROR).toRpcClientResult();
    }
    List<String> signKeys = new ArrayList<>(priKeys.size());
    for (int i = 0; i < priKeys.size(); i++) {
        String encryptPrivKey = priKeys.get(i);
        if (StringUtils.isBlank(password)) {
            signKeys.add(encryptPrivKey);
            continue;
        }
        byte[] privateKeyBytes = null;
        try {
            privateKeyBytes = AESEncrypt.decrypt(Hex.decode(encryptPrivKey), password);
        } catch (Exception e) {
            return Result.getFailed(AccountErrorCode.DECRYPT_ACCOUNT_ERROR).toRpcClientResult();
        }
        signKeys.add(Hex.encode(privateKeyBytes));
    }
    // conversion private key string to ECKey
    List<ECKey> keys = signKeys.stream().map(p -> ECKey.fromPrivate(new BigInteger(Hex.decode(p)))).collect(Collectors.toList());
    try {
        byte[] data = Hex.decode(txHex);
        Transaction tx = TransactionManager.getInstance(new NulsByteBuffer(data));
        List<P2PHKSignature> p2PHKSignatures = SignatureUtil.createSignaturesByEckey(tx, keys);
        TransactionSignature transactionSignature = new TransactionSignature();
        transactionSignature.setP2PHKSignatures(p2PHKSignatures);
        tx.setTransactionSignature(transactionSignature.serialize());
        txHex = Hex.encode(tx.serialize());
        Map<String, String> map = new HashMap<>();
        map.put("value", txHex);
        return Result.getSuccess().setData(map).toRpcClientResult();
    } catch (Exception e) {
        Log.error(e);
        return Result.getFailed(AccountErrorCode.DATA_PARSE_ERROR).toRpcClientResult();
    }
}

Example 2 with P2PHKSignature

use of io.nuls.kernel.script.P2PHKSignature in project nuls by nuls-io.

the class UtxoLedgerServiceImpl method verifyCoinData.

/**
 * 此txList是待打包的块中的交易，所以toList是下一步的UTXO，应该校验它
 * coinData的交易和txList同处一个块中，txList中的to可能是coinData的from，
 * 也就是可能存在，在同一个块中，下一笔输入就是上一笔的输出，所以需要校验它
 * bestHeight is used when switch chain.
 *
 * @return ValidateResult
 */
@Override
public ValidateResult verifyCoinData(Transaction transaction, Map<String, Coin> temporaryToMap, Set<String> temporaryFromSet, Long bestHeight) {
    if (transaction == null || transaction.getCoinData() == null) {
        return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.NULL_PARAMETER);
    }
    try {
        /*
            校验开始
             */
        CoinData coinData = transaction.getCoinData();
        List<Coin> froms = coinData.getFrom();
        int fromSize = froms.size();
        TransactionSignature transactionSignature = new TransactionSignature();
        // 交易签名反序列化
        if (transaction.needVerifySignature() && fromSize > 0) {
            try {
                transactionSignature.parse(transaction.getTransactionSignature(), 0);
            } catch (NulsException e) {
                return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.LEDGER_P2PKH_SCRIPT_ERROR);
            }
        }
        // 保存Set用于验证自身双花
        if (temporaryFromSet == null) {
            temporaryFromSet = new HashSet<>();
        }
        Na fromTotal = Na.ZERO;
        byte[] fromBytes;
        // 保存在数据库中或者txList中的utxo数据
        Coin fromOfFromCoin = null;
        byte[] fromAddressBytes = null;
        /**
         * 存放真实地址（如果为脚本验证的情况fromAddressBytes存的是脚本信息）
         */
        byte[] realAddressBytes = null;
        for (int i = 0; i < froms.size(); i++) {
            Coin from = froms.get(i);
            fromBytes = from.getOwner();
            // 验证是否可花费, 校验的coinData的fromUTXO，检查数据库中是否存在此UTXO
            fromOfFromCoin = utxoLedgerUtxoStorageService.getUtxo(fromBytes);
            // 检查txList中是否存在此UTXO
            if (temporaryToMap != null && fromOfFromCoin == null) {
                fromOfFromCoin = temporaryToMap.get(asString(fromBytes));
            }
            if (null == fromOfFromCoin) {
                // 如果既不存在于txList的to中(如果txList不为空)，又不存在于数据库中，那么这是一笔问题数据，进一步检查是否存在这笔交易，交易有就是双花，没有就是孤儿交易，则返回失败
                if (null != utxoLedgerTransactionStorageService.getTxBytes(LedgerUtil.getTxHashBytes(fromBytes))) {
                    return ValidateResult.getFailedResult(CLASS_NAME, TransactionErrorCode.TRANSACTION_REPEATED);
                } else {
                    return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.ORPHAN_TX);
                }
            } else {
                fromAddressBytes = fromOfFromCoin.getOwner();
                realAddressBytes = fromOfFromCoin.getAddress();
                // pierre add 非合约转账(从合约转出)交易，验证fromAdress是否是合约地址，如果是，则返回失败，非合约转账(从合约转出)交易不能转出合约地址资产
                if (transaction.getType() != ContractConstant.TX_TYPE_CONTRACT_TRANSFER) {
                    boolean isContractAddress = contractService.isContractAddress(realAddressBytes);
                    if (isContractAddress) {
                        return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.DATA_ERROR);
                    }
                }
                // 验证地址中的公钥hash160和交易中的公钥hash160是否相等，不相等则说明这笔utxo不属于交易发出者
                boolean signtureValidFlag = false;
                if (transaction.needVerifySignature()) {
                    if (transactionSignature != null) {
                        if (fromAddressBytes != null && transactionSignature.getScripts() != null && transactionSignature.getScripts().size() > 0) {
                            if (fromAddressBytes.length != Address.ADDRESS_LENGTH) {
                                Script scriptPubkey = new Script(fromAddressBytes);
                                for (Script scriptSig : transactionSignature.getScripts()) {
                                    signtureValidFlag = scriptSig.correctlyNulsSpends(transaction, 0, scriptPubkey);
                                    if (signtureValidFlag) {
                                        break;
                                    }
                                }
                            } else {
                                for (Script scriptSig : transactionSignature.getScripts()) {
                                    Script redeemScript = new Script(scriptSig.getChunks().get(scriptSig.getChunks().size() - 1).data);
                                    Address address = new Address(NulsContext.getInstance().getDefaultChainId(), NulsContext.P2SH_ADDRESS_TYPE, SerializeUtils.sha256hash160(redeemScript.getProgram()));
                                    Script publicScript = SignatureUtil.createOutputScript(address.getAddressBytes());
                                    signtureValidFlag = scriptSig.correctlyNulsSpends(transaction, 0, publicScript);
                                    if (signtureValidFlag) {
                                        break;
                                    }
                                }
                            }
                        } else {
                            if (transactionSignature.getP2PHKSignatures() != null && transactionSignature.getP2PHKSignatures().size() != 0) {
                                for (P2PHKSignature signature : transactionSignature.getP2PHKSignatures()) {
                                    signtureValidFlag = AddressTool.checkPublicKeyHash(realAddressBytes, signature.getSignerHash160());
                                    if (signtureValidFlag) {
                                        break;
                                    }
                                }
                            }
                        }
                    }
                    if (!signtureValidFlag) {
                        Log.warn("public key hash160 check error.");
                        return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.INVALID_INPUT);
                    }
                }
                if (java.util.Arrays.equals(realAddressBytes, NulsConstant.BLACK_HOLE_ADDRESS) || java.util.Arrays.equals(realAddressBytes, NulsConstant.BLACK_HOLE_ADDRESS_TEST_NET)) {
                    return ValidateResult.getFailedResult(CLASS_NAME, KernelErrorCode.ADDRESS_IS_BLOCK_HOLE);
                }
                if (NulsContext.getInstance().getDefaultChainId() != SerializeUtils.bytes2Short(realAddressBytes)) {
                    return ValidateResult.getFailedResult(CLASS_NAME, KernelErrorCode.ADDRESS_IS_NOT_BELONGS_TO_CHAIN);
                }
            }
            // 验证非解锁类型的交易及解锁类型的交易
            if (!transaction.isUnlockTx()) {
                // 验证非解锁类型的交易，验证是否可用，检查是否还在锁定时间内
                if (bestHeight == null) {
                    if (!fromOfFromCoin.usable()) {
                        return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.UTXO_UNUSABLE);
                    }
                } else {
                    if (!fromOfFromCoin.usable(bestHeight)) {
                        return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.UTXO_UNUSABLE);
                    }
                }
            } else {
                // 验证解锁类型的交易
                if (fromOfFromCoin.getLockTime() != -1) {
                    return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.UTXO_STATUS_CHANGE);
                }
            }
            // 验证与待确认交易列表中是否有双花，既是待校验交易的fromUtxo是否和txList中的fromUtxo重复，有重复则是双花
            if (temporaryFromSet != null && !temporaryFromSet.add(asString(fromBytes))) {
                if (i > 0) {
                    for (int x = 0; x < i; x++) {
                        Coin theFrom = froms.get(i);
                        temporaryFromSet.remove(asString(theFrom.getOwner()));
                    }
                }
                return ValidateResult.getFailedResult(CLASS_NAME, TransactionErrorCode.TRANSACTION_REPEATED);
            }
            // 验证from的锁定时间和金额
            if (!(fromOfFromCoin.getNa().equals(from.getNa()) && fromOfFromCoin.getLockTime() == from.getLockTime())) {
                return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.DATA_ERROR);
            }
            fromTotal = fromTotal.add(fromOfFromCoin.getNa());
            from.setFrom(fromOfFromCoin);
        }
        List<Coin> tos = coinData.getTo();
        Na toTotal = Na.ZERO;
        byte[] txBytes = transaction.getHash().serialize();
        for (int i = 0; i < tos.size(); i++) {
            Coin to = tos.get(i);
            // 如果不是调用合约的类型，并且合约地址作为nuls接收者，则返回错误，非合约交易不能转入nuls(CoinBase交易不过此验证)
            if (ContractConstant.TX_TYPE_CALL_CONTRACT != transaction.getType() && AddressTool.validContractAddress(to.getOwner())) {
                Log.error("Ledger verify error: {}.", ContractErrorCode.NON_CONTRACTUAL_TRANSACTION_NO_TRANSFER.getEnMsg());
                return ValidateResult.getFailedResult(CLASS_NAME, ContractErrorCode.NON_CONTRACTUAL_TRANSACTION_NO_TRANSFER);
            }
            toTotal = toTotal.add(to.getNa());
            if (temporaryToMap != null) {
                temporaryToMap.put(asString(ArraysTool.concatenate(txBytes, new VarInt(i).encode())), to);
            }
        }
        // 验证输出不能大于输入
        if (fromTotal.compareTo(toTotal) < 0) {
            return ValidateResult.getFailedResult(CLASS_NAME, LedgerErrorCode.INVALID_AMOUNT);
        }
    } catch (Exception e) {
        Log.error(e);
        return ValidateResult.getFailedResult(CLASS_NAME, KernelErrorCode.SYS_UNKOWN_EXCEPTION);
    }
    return ValidateResult.getSuccessResult();
}