Examples with NulsException io.nuls.kernel.exception.NulsException used on opensource projects

Example 51 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class TxCoinValidator method validate.

@Override
public ValidateResult validate(Transaction tx) throws NulsException {
    try {
        if (tx.getCoinData() == null) {
            return ValidateResult.getSuccessResult();
        }
        List<Coin> toList = tx.getCoinData().getTo();
        if (toList == null || toList.size() == 0) {
            return ValidateResult.getSuccessResult();
        }
        Set<String> fromAddressSet = null;
        byte[] owner;
        String address;
        Map<String, Integer> addressSet = MapUtil.createHashMap(toList.size());
        for (Coin coin : toList) {
            owner = coin.getOwner();
            if (owner.length == Address.ADDRESS_LENGTH && owner[2] == NulsContext.P2SH_ADDRESS_TYPE) {
                return ValidateResult.getFailedResult(this.getClass().getName(), KernelErrorCode.COIN_OWNER_ERROR);
            }
            if (tx.isSystemTx() && tx.getType() != ContractConstant.TX_TYPE_CONTRACT_TRANSFER) {
                continue;
            }
            address = AddressTool.getStringAddressByBytes(coin.getAddress());
            if (fromAddressSet == null) {
                fromAddressSet = SignatureUtil.getAddressFromTX(tx);
            }
            if (fromAddressSet != null && fromAddressSet.contains(address)) {
                continue;
            }
            Integer count = addressSet.get(address);
            if (count == null) {
                addressSet.put(address, count = 1);
            } else {
                addressSet.put(address, ++count);
            }
            if (count > 2) {
                return ValidateResult.getFailedResult(this.getClass().getName(), TransactionErrorCode.INVALID_AMOUNT);
            }
        }
    } catch (Exception e) {
        Log.error(e);
        return ValidateResult.getFailedResult(this.getClass().getName(), KernelErrorCode.DATA_ERROR);
    }
    return ValidateResult.getSuccessResult();
}

Example 52 with NulsException

use of io.nuls.kernel.exception.NulsException 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 53 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class BlockHeaderPoTest method serializeAndParse.

/**
 * 验证区块头实体的序列化和反序列化的正确性
 * Verify the correctness of serialization and deserialization of block header entities.
 */
@Test
public void serializeAndParse() {
    BlockHeaderPo po = new BlockHeaderPo();
    po.setHeight(1286L);
    po.setExtend("extends".getBytes());
    po.setMerkleHash(NulsDigestData.calcDigestData("merkleHash".getBytes()));
    try {
        po.setPackingAddress("address".getBytes());
    } catch (Exception e) {
        e.printStackTrace();
        assertTrue(false);
    }
    po.setScriptSign(new BlockSignature());
    po.setTime(12345678901L);
    po.setTxCount(3);
    List<NulsDigestData> txHashList = new ArrayList<>();
    txHashList.add(NulsDigestData.calcDigestData("first-tx-hash".getBytes()));
    txHashList.add(NulsDigestData.calcDigestData("second-tx-hash".getBytes()));
    txHashList.add(NulsDigestData.calcDigestData("third-tx-hash".getBytes()));
    po.setTxHashList(txHashList);
    byte[] bytes = new byte[0];
    try {
        bytes = po.serialize();
    } catch (IOException e) {
        Log.error(e);
    }
    BlockHeaderPo newPo = new BlockHeaderPo();
    try {
        newPo.parse(bytes, 0);
    } catch (NulsException e) {
        Log.error(e);
    }
    assertNull(newPo.getHash());
    assertEquals(po.getHeight(), newPo.getHeight());
    assertEquals(po.getPreHash(), newPo.getPreHash());
    assertEquals(po.getMerkleHash(), newPo.getMerkleHash());
    assertTrue(Arrays.equals(po.getExtend(), newPo.getExtend()));
    assertTrue(Arrays.equals(po.getPackingAddress(), newPo.getPackingAddress()));
    assertTrue(Arrays.equals(po.getScriptSign().getPublicKey(), newPo.getScriptSign().getPublicKey()));
    assertEquals(po.getScriptSign().getSignData(), newPo.getScriptSign().getSignData());
    assertEquals(po.getTime(), newPo.getTime());
    assertEquals(po.getTxCount(), newPo.getTxCount());
    assertEquals(po.getTxHashList().get(0), newPo.getTxHashList().get(0));
    assertEquals(po.getTxHashList().get(1), newPo.getTxHashList().get(1));
    assertEquals(po.getTxHashList().get(2), newPo.getTxHashList().get(2));
}

Example 54 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class TransferTransaction method getInfo.

@Override
public String getInfo(byte[] address) {
    Long value = 0L;
    byte[] fromHash, owner;
    int fromIndex;
    NulsDigestData fromHashObj;
    Transaction fromTx;
    Coin fromUtxo;
    for (Coin from : coinData.getFrom()) {
        owner = from.getOwner();
        // owner拆分出txHash和index
        fromHash = LedgerUtil.getTxHashBytes(owner);
        fromIndex = LedgerUtil.getIndex(owner);
        // 查询from UTXO
        fromHashObj = new NulsDigestData();
        try {
            fromHashObj.parse(fromHash, 0);
        } catch (NulsException e) {
            return "--";
        }
        Result<Transaction> result = getAccountLedgerService().getUnconfirmedTransaction(fromHashObj);
        if (result.isSuccess() && result.getData() != null) {
            fromTx = result.getData();
        } else {
            fromTx = getLedgerService().getTx(fromHashObj);
        }
        fromUtxo = fromTx.getCoinData().getTo().get(fromIndex);
        // if (Arrays.equals(address, fromUtxo.()))
        if (Arrays.equals(address, fromUtxo.getAddress())) {
            value = value - fromUtxo.getNa().getValue();
        }
    }
    for (Coin to : coinData.getTo()) {
        if (Arrays.equals(address, to.getAddress())) {
            value = value + to.getNa().getValue();
        }
    }
    long divide = (long) Math.pow(10, SMALLEST_UNIT_EXPONENT);
    BigDecimal decimal = new BigDecimal(value).divide(BigDecimal.valueOf(divide));
    if (decimal.doubleValue() > 0) {
        return "+" + decimal.toPlainString();
    }
    return decimal.toPlainString();
}

Example 55 with NulsException

use of io.nuls.kernel.exception.NulsException in project nuls by nuls-io.

the class UtxoAccountsServiceImpl method getInputAddress.

private byte[] getInputAddress(Coin from) {
    byte[] fromHash;
    int fromIndex;
    byte[] owner = from.getOwner();
    // owner拆分出txHash和index
    fromHash = UtxoAccountsUtil.getTxHashBytes(owner);
    fromIndex = UtxoAccountsUtil.getIndex(owner);
    NulsDigestData fromHashObj = new NulsDigestData();
    try {
        fromHashObj.parse(fromHash, 0);
        Transaction outPutTx = utxoAccountsStorageService.getTx(fromHashObj);
        return outPutTx.getCoinData().getTo().get(fromIndex).getOwner();
    } catch (NulsException e) {
        Log.error(e);
        return null;
    }
}