Java Code Examples for org.web3j.utils.Numeric

The following examples show how to use org.web3j.utils.Numeric. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
@Test
public void testEthSendTransaction() throws Exception {
    web3j.ethSendTransaction(new Transaction(
            "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
            BigInteger.ONE,
            Numeric.toBigInt("0x9184e72a000"),
            Numeric.toBigInt("0x76c0"),
            "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
            Numeric.toBigInt("0x9184e72a"),
            "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb"
                    + "970870f072445675058bb8eb970870f072445675")).send();

    //CHECKSTYLE:OFF
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"eth_sendTransaction\",\"params\":[{\"from\":\"0xb60e8dd61c5d32be8058bb8eb970870f07233155\",\"to\":\"0xb60e8dd61c5d32be8058bb8eb970870f07233155\",\"gas\":\"0x76c0\",\"gasPrice\":\"0x9184e72a000\",\"value\":\"0x9184e72a\",\"data\":\"0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675\",\"nonce\":\"0x1\"}],\"id\":1}");
    //CHECKSTYLE:ON
}
 
Example 2
Source Project: web3j   Source File: PrivateTransactionEncoderTest.java    License: Apache License 2.0 6 votes vote down vote up
@Test
public void testSignLegacyTransaction() {
    final String expected =
            "0xf8d4808203e8832dc6c094627306090abab3a6e1400e9345bc60c78a8bef578080820fe8a0e0b547d71d7a23d52382288b3a2a5a1610e0b504c404cc5009d7ada97d9015b2a076e997a83856d876fa2397b74510890eea3b73ffeda33daa4188120dac42d62fa0035695b4cc4b0941e60551d7a19cf30603db5bfc23e5ac43a56f57f25f75486af842a0035695b4cc4b0941e60551d7a19cf30603db5bfc23e5ac43a56f57f25f75486aa02a8d9b56a0fe9cd94d60be4413bcb721d3a7be27ed8e28b3a6346df874ee141b8a72657374726963746564";
    final RawPrivateTransaction privateTransactionCreation =
            new RawPrivateTransaction(
                    BigInteger.ZERO,
                    BigInteger.valueOf(1000),
                    BigInteger.valueOf(3000000),
                    "0x627306090abab3a6e1400e9345bc60c78a8bef57",
                    "0x",
                    MOCK_ENCLAVE_KEY,
                    MOCK_PRIVATE_FOR,
                    null,
                    RESTRICTED);
    final long chainId = 2018;
    final String privateKey =
            "8f2a55949038a9610f50fb23b5883af3b4ecb3c3bb792cbcefbd1542c692be63";
    final Credentials credentials = Credentials.create(privateKey);
    final String privateRawTransaction =
            Numeric.toHexString(
                    PrivateTransactionEncoder.signMessage(
                            privateTransactionCreation, chainId, credentials));

    assertEquals(expected, privateRawTransaction);
}
 
Example 3
@Test
public void testSignTransaction() throws Exception {
    boolean accountUnlocked = unlockAccount();
    assertTrue(accountUnlocked);

    RawTransaction rawTransaction = createTransaction();

    byte[] encoded = TransactionEncoder.encode(rawTransaction);
    byte[] hashed = Hash.sha3(encoded);

    EthSign ethSign = web3j.ethSign(ALICE.getAddress(), Numeric.toHexString(hashed))
            .sendAsync().get();

    String signature = ethSign.getSignature();
    assertNotNull(signature);
    assertFalse(signature.isEmpty());
}
 
Example 4
Source Project: client-sdk-java   Source File: WasmFunctionEncoder.java    License: Apache License 2.0 6 votes vote down vote up
public static String encodeConstructor(String code, List<?> inputParameters) {
	List<Object> parameters = new ArrayList<>();
	// parameters.add(DEPLOY_METHOD_NAME);
	parameters.add(fnvOne64Hash(DEPLOY_METHOD_NAME));
	for (Object o : inputParameters) {
		if (!o.equals(Void.class)) {
			parameters.add(o);
		}
	}
	byte[] parameterData = RLPCodec.encode(parameters);

	byte[] codeBinary = Numeric.hexStringToByteArray(code);
	Object[] objs = new Object[] { codeBinary, parameterData };
	byte[] data = RLPCodec.encode(objs);

	byte[] result = new byte[MAGIC_NUM.length + data.length];
	System.arraycopy(MAGIC_NUM, 0, result, 0, MAGIC_NUM.length);
	System.arraycopy(data, 0, result, MAGIC_NUM.length, data.length);

	return Numeric.toHexStringNoPrefix(result);
}
 
Example 5
Source Project: client-sdk-java   Source File: RequestTest.java    License: Apache License 2.0 6 votes vote down vote up
@Test
public void testEthSendTransaction() throws Exception {
    web3j.platonSendTransaction(new Transaction(
            "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
            BigInteger.ONE,
            Numeric.toBigInt("0x9184e72a000"),
            Numeric.toBigInt("0x76c0"),
            "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
            Numeric.toBigInt("0x9184e72a"),
            "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb"
                    + "970870f072445675058bb8eb970870f072445675")).send();

    //CHECKSTYLE:OFF
    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"platon_sendTransaction\",\"params\":[{\"from\":\"0xb60e8dd61c5d32be8058bb8eb970870f07233155\",\"to\":\"0xb60e8dd61c5d32be8058bb8eb970870f07233155\",\"gas\":\"0x76c0\",\"gasPrice\":\"0x9184e72a000\",\"value\":\"0x9184e72a\",\"data\":\"0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675\",\"nonce\":\"0x1\"}],\"id\":1}");
    //CHECKSTYLE:ON
}
 
Example 6
Source Project: web3j   Source File: Transaction.java    License: Apache License 2.0 6 votes vote down vote up
public Transaction(
        String from,
        BigInteger nonce,
        BigInteger gasPrice,
        BigInteger gasLimit,
        String to,
        BigInteger value,
        String data,
        BigInteger gasPremium,
        BigInteger feeCap) {
    this.from = from;
    this.to = to;
    this.gas = gasLimit;
    this.gasPrice = gasPrice;
    this.value = value;

    if (data != null) {
        this.data = Numeric.prependHexPrefix(data);
    }

    this.nonce = nonce;
    this.gasPremium = gasPremium;
    this.feeCap = feeCap;
}
 
Example 7
@Test
public void testDeploySmartContract() throws Exception {
    BigInteger nonce = getNonce(ALICE.getAddress());
    RawTransaction rawTransaction = createSmartContractTransaction(nonce);

    byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, ALICE);
    String hexValue = Numeric.toHexString(signedMessage);

    EthSendTransaction ethSendTransaction =
            web3j.ethSendRawTransaction(hexValue).sendAsync().get();
    String transactionHash = ethSendTransaction.getTransactionHash();

    assertFalse(transactionHash.isEmpty());

    TransactionReceipt transactionReceipt =
            waitForTransactionReceipt(transactionHash);

    assertThat(transactionReceipt.getTransactionHash(), is(transactionHash));

    assertFalse("Contract execution ran out of gas",
            rawTransaction.getGasLimit().equals(transactionReceipt.getGasUsed()));
}
 
Example 8
Source Project: web3j   Source File: RequestTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testEthGetFilterChanges() throws Exception {
    web3j.ethGetFilterChanges(Numeric.toBigInt("0x16")).send();

    verifyResult(
            "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getFilterChanges\","
                    + "\"params\":[\"0x16\"],\"id\":1}");
}
 
Example 9
Source Project: web3j   Source File: RequestTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testEthGetCode() throws Exception {
    web3j.ethGetCode(
                    "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
                    DefaultBlockParameter.valueOf(Numeric.toBigInt("0x2")))
            .send();

    verifyResult(
            "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getCode\","
                    + "\"params\":[\"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b\",\"0x2\"],\"id\":1}");
}
 
Example 10
Source Project: web3j   Source File: TypeEncoder.java    License: Apache License 2.0 5 votes vote down vote up
static String encodeBool(Bool value) {
    byte[] rawValue = new byte[MAX_BYTE_LENGTH];
    if (value.getValue()) {
        rawValue[rawValue.length - 1] = 1;
    }
    return Numeric.toHexStringNoPrefix(rawValue);
}
 
Example 11
Source Project: client-sdk-java   Source File: TransactionDecoderTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testDecodingSigned() throws Exception {
    BigInteger nonce = BigInteger.ZERO;
    BigInteger gasPrice = BigInteger.ONE;
    BigInteger gasLimit = BigInteger.TEN;
    String to = "0x0add5355";
    BigInteger value = BigInteger.valueOf(Long.MAX_VALUE);
    RawTransaction rawTransaction = RawTransaction.createEtherTransaction(
            nonce, gasPrice, gasLimit, to, value);
    byte[] signedMessage = TransactionEncoder.signMessage(
            rawTransaction, SampleKeys.CREDENTIALS);
    String hexMessage = Numeric.toHexString(signedMessage);

    RawTransaction result = TransactionDecoder.decode(hexMessage);
    assertNotNull(result);
    assertEquals(nonce, result.getNonce());
    assertEquals(gasPrice, result.getGasPrice());
    assertEquals(gasLimit, result.getGasLimit());
    assertEquals(to, result.getTo());
    assertEquals(value, result.getValue());
    assertEquals("", result.getData());
    assertTrue(result instanceof SignedRawTransaction);
    SignedRawTransaction signedResult = (SignedRawTransaction) result;
    assertNotNull(signedResult.getSignatureData());
    Sign.SignatureData signatureData = signedResult.getSignatureData();
    byte[] encodedTransaction = TransactionEncoder.encode(rawTransaction);
    BigInteger key = Sign.signedMessageToKey(encodedTransaction, signatureData);
    assertEquals(key, SampleKeys.PUBLIC_KEY);
    assertEquals(SampleKeys.ADDRESS, signedResult.getFrom());
    signedResult.verify(SampleKeys.ADDRESS);
    assertNull(signedResult.getChainId());
}
 
Example 12
Source Project: besu   Source File: PrivacyRequestFactory.java    License: Apache License 2.0 5 votes vote down vote up
public String privxRemoveFromPrivacyGroup(
    final Base64String privacyGroupId, final PrivacyNode remover, final String toRemove)
    throws IOException, TransactionException {

  final BigInteger nonce =
      besuClient
          .privGetTransactionCount(remover.getAddress().toHexString(), privacyGroupId)
          .send()
          .getTransactionCount();

  final Bytes payload =
      encodeRemoveFromGroupFunctionCall(
          Bytes.fromBase64String(remover.getEnclaveKey()), Bytes.fromBase64String(toRemove));

  final RawPrivateTransaction privateTransaction =
      RawPrivateTransaction.createTransaction(
          nonce,
          BigInteger.valueOf(1000),
          BigInteger.valueOf(3000000),
          Address.ONCHAIN_PRIVACY_PROXY.toHexString(),
          payload.toHexString(),
          Base64String.wrap(remover.getEnclaveKey()),
          privacyGroupId,
          org.web3j.utils.Restriction.RESTRICTED);

  return besuClient
      .eeaSendRawTransaction(
          Numeric.toHexString(
              PrivateTransactionEncoder.signMessage(
                  privateTransaction, Credentials.create(remover.getTransactionSigningKey()))))
      .send()
      .getTransactionHash();
}
 
Example 13
Source Project: web3j   Source File: DefaultFunctionReturnDecoder.java    License: Apache License 2.0 5 votes vote down vote up
public List<Type> decodeFunctionResult(
        String rawInput, List<TypeReference<Type>> outputParameters) {

    String input = Numeric.cleanHexPrefix(rawInput);

    if (Strings.isEmpty(input)) {
        return Collections.emptyList();
    } else {
        return build(input, outputParameters);
    }
}
 
Example 14
Source Project: web3j   Source File: JsonRpc2_0Web3j.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Request<?, EthBlock> ethGetUncleByBlockNumberAndIndex(
        DefaultBlockParameter defaultBlockParameter, BigInteger uncleIndex) {
    return new Request<>(
            "eth_getUncleByBlockNumberAndIndex",
            Arrays.asList(defaultBlockParameter.getValue(), Numeric.encodeQuantity(uncleIndex)),
            web3jService,
            EthBlock.class);
}
 
Example 15
@Test
public void testEthGetCode() throws Exception {
    web3j.ethGetCode("0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            DefaultBlockParameter.valueOf(Numeric.toBigInt("0x2"))).send();

    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"eth_getCode\","
            + "\"params\":[\"0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b\",\"0x2\"],\"id\":1}");
}
 
Example 16
Source Project: web3j   Source File: KeysTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testGetAddressZeroPadded() {
    byte[] address =
            Keys.getAddress(
                    Numeric.toBytesPadded(BigInteger.valueOf(0x1234), Keys.PUBLIC_KEY_SIZE));
    String expected = Numeric.toHexStringNoPrefix(address);

    String value = "1234";
    assertEquals(
            Keys.getAddress(
                    "0x"
                            + Strings.zeros(Keys.PUBLIC_KEY_LENGTH_IN_HEX - value.length())
                            + value),
            (expected));
}
 
Example 17
Source Project: client-sdk-java   Source File: JsonRpc2_0Web3j.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Request<?, PlatonGetStorageAt> platonGetStorageAt(
        String address, BigInteger position, DefaultBlockParameter defaultBlockParameter) {
    return new Request<>(
            "platon_getStorageAt",
            Arrays.asList(
                    address,
                    Numeric.encodeQuantity(position),
                    defaultBlockParameter.getValue()),
            web3jService,
            PlatonGetStorageAt.class);
}
 
Example 18
Source Project: web3j   Source File: JsonRpc2_0Web3j.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Request<?, EthUninstallFilter> ethUninstallFilter(BigInteger filterId) {
    return new Request<>(
            "eth_uninstallFilter",
            Arrays.asList(Numeric.toHexStringWithPrefixSafe(filterId)),
            web3jService,
            EthUninstallFilter.class);
}
 
Example 19
Source Project: client-sdk-java   Source File: RewardContract.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * 查询当前账户地址所委托的节点的NodeID和质押Id
 *
 * @param address 查询的地址
 * @param nodeList 节点id列表
 * @return
 */
public RemoteCall<CallResponse<List<Reward>>> getDelegateReward(String address,List<String> nodeList) {
    List<NodeId> bytesTypeList = nodeList.stream().map(nodeId ->  new NodeId(nodeId)).collect(Collectors.toList());
    CustomStaticArray<NodeId> dynamicArray =  new CustomStaticArray<>(bytesTypeList);
    Function function = new Function(FunctionType.GET_DELEGATE_REWARD_FUNC_TYPE,
            Arrays.asList(new BytesType(Numeric.hexStringToByteArray(address)), dynamicArray));
    return executeRemoteCallListValueReturn(function, Reward.class);
}
 
Example 20
@Override
protected RawTransactionResponse doInBackground(Void... params) {
    BigInteger nonce = getNonce();
    RawTransaction rawTransaction;
    String blockNumber = getBlockNumber();
    byte[] signedMessage;
    if (TextUtils.isEmpty(contractData)) {
        rawTransaction = RawTransaction.createEtherTransaction(nonce, gasPrice, gasLimit, toAddress, value);
    } else {
        rawTransaction = RawTransaction.createTransaction(nonce, gasPrice, gasLimit, toAddress, new String(Hex.encode(contractData.getBytes())));
    }



    if (walletManager.getCredentials() != null && rawTransaction != null) {
        signedMessage = TransactionEncoder.signMessage(rawTransaction, walletManager.getCredentials());
    } else {
        return null;
    }

    String hexValue = Numeric.toHexString(signedMessage);
    EthSendTransaction ethSendTransaction = null;


    try {
        ethSendTransaction = web3jConnection.ethSendRawTransaction(hexValue).send();
    } catch (IOException e) {
        e.printStackTrace();
        Log.d("psd", e.toString());
    }

    if (ethSendTransaction != null && ethSendTransaction.getTransactionHash() != null) {
        return new RawTransactionResponse(ethSendTransaction.getTransactionHash(),
                hexValue, blockNumber);
    } else {
        return null;
    }
}
 
Example 21
Source Project: etherscan-explorer   Source File: ShhPost.java    License: GNU General Public License v3.0 5 votes vote down vote up
private String convert(BigInteger value) {
    if (value != null) {
        return Numeric.encodeQuantity(value);
    } else {
        return null;
    }
}
 
Example 22
Source Project: eventeum   Source File: SupportedSolidityTypesIT.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testEventWithAdditionalTypes() throws Exception {
    final EventEmitter emitter = deployEventEmitterContract();

    byte[] byteValue = randomBytesValue(1);
    final ContractEventFilter registeredFilter =
            registerDummyEventAdditionalTypesFilter(emitter.getContractAddress());
    emitter.emitEventAdditionalTypes(BigInteger.ONE, BigInteger.TEN, byteValue).send();

    waitForContractEventMessages(1);

    assertEquals(1, getBroadcastContractEvents().size());

    final ContractEventDetails eventDetails = getBroadcastContractEvents().get(0);

    assertEquals(registeredFilter.getEventSpecification().getEventName(), eventDetails.getName());
    assertEquals(ContractEventStatus.UNCONFIRMED, eventDetails.getStatus());

    assertEquals(BigInteger.ONE, eventDetails.getIndexedParameters().get(0).getValue());
    assertEquals(BigInteger.TEN, eventDetails.getIndexedParameters().get(1).getValue());

    final ArrayList<StringParameter> addressArray =
            (ArrayList<StringParameter>) eventDetails.getNonIndexedParameters().get(0).getValue();

    assertEquals(Keys.toChecksumAddress(CREDS.getAddress()), addressArray.get(0).getValue());
    assertEquals(Keys.toChecksumAddress(emitter.getContractAddress()), addressArray.get(1).getValue());

    assertEquals(Numeric.toHexString(byteValue, 0, 1, true),
            eventDetails.getNonIndexedParameters().get(1).getValueString());

    assertEquals(BigInteger.ONE, eventDetails.getNonIndexedParameters().get(2).getValue());

    assertEquals(Web3jUtil.getSignature(registeredFilter.getEventSpecification()),
            eventDetails.getEventSpecificationSignature());
}
 
Example 23
@Override
public Request<?, EthGetStorageAt> ethGetStorageAt(
        String address, BigInteger position, DefaultBlockParameter defaultBlockParameter) {
    return new Request<>(
            "eth_getStorageAt",
            Arrays.asList(
                    address,
                    Numeric.encodeQuantity(position),
                    defaultBlockParameter.getValue()),
            web3jService,
            EthGetStorageAt.class);
}
 
Example 24
Source Project: client-sdk-java   Source File: RequestTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testEthGetTransactionByBlockNumberAndIndex() throws Exception {
    web3j.platonGetTransactionByBlockNumberAndIndex(
            DefaultBlockParameter.valueOf(Numeric.toBigInt("0x29c")), BigInteger.ZERO).send();

    verifyResult("{\"jsonrpc\":\"2.0\",\"method\":\"platon_getTransactionByBlockNumberAndIndex\","
            + "\"params\":[\"0x29c\",\"0x0\"],\"id\":1}");
}
 
Example 25
Source Project: web3j   Source File: KeysTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testGetAddressSmallPublicKey() {
    byte[] address =
            Keys.getAddress(
                    Numeric.toBytesPadded(BigInteger.valueOf(0x1234), Keys.PUBLIC_KEY_SIZE));
    String expected = Numeric.toHexStringNoPrefix(address);

    assertEquals(Keys.getAddress("0x1234"), (expected));
}
 
Example 26
Source Project: etherscan-explorer   Source File: Transfer.java    License: GNU General Public License v3.0 5 votes vote down vote up
private TransactionReceipt send(
        String toAddress, BigDecimal value, Convert.Unit unit, BigInteger gasPrice,
        BigInteger gasLimit) throws IOException, InterruptedException,
        TransactionException {

    BigDecimal weiValue = Convert.toWei(value, unit);
    if (!Numeric.isIntegerValue(weiValue)) {
        throw new UnsupportedOperationException(
                "Non decimal Wei value provided: " + value + " " + unit.toString()
                        + " = " + weiValue + " Wei");
    }

    String resolvedAddress = ensResolver.resolve(toAddress);
    return send(resolvedAddress, "", weiValue.toBigIntegerExact(), gasPrice, gasLimit);
}
 
Example 27
Source Project: client-sdk-java   Source File: TypeDecoder.java    License: Apache License 2.0 5 votes vote down vote up
static DynamicBytes decodeDynamicBytes(String input, int offset) {
    int encodedLength = decodeUintAsInt(input, offset);
    int hexStringEncodedLength = encodedLength << 1;

    int valueOffset = offset + MAX_BYTE_LENGTH_FOR_HEX_STRING;

    String data = input.substring(valueOffset,
            valueOffset + hexStringEncodedLength);
    byte[] bytes = Numeric.hexStringToByteArray(data);

    return new DynamicBytes(bytes);
}
 
Example 28
Source Project: web3j   Source File: RequestTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testEthGetTransactionByBlockNumberAndIndex() throws Exception {
    web3j.ethGetTransactionByBlockNumberAndIndex(
                    DefaultBlockParameter.valueOf(Numeric.toBigInt("0x29c")), BigInteger.ZERO)
            .send();

    verifyResult(
            "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getTransactionByBlockNumberAndIndex\","
                    + "\"params\":[\"0x29c\",\"0x0\"],\"id\":1}");
}
 
Example 29
Source Project: client-sdk-java   Source File: JsonRpc2_0Web3j.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public Request<?, PlatonTransaction> platonGetTransactionByBlockNumberAndIndex(
        DefaultBlockParameter defaultBlockParameter, BigInteger transactionIndex) {
    return new Request<>(
            "platon_getTransactionByBlockNumberAndIndex",
            Arrays.asList(
                    defaultBlockParameter.getValue(),
                    Numeric.encodeQuantity(transactionIndex)),
            web3jService,
            PlatonTransaction.class);
}
 
Example 30
Source Project: alpha-wallet-android   Source File: SellDetailActivity.java    License: MIT License 5 votes vote down vote up
private BigInteger getPriceInWei() {
    //now convert to microWei
    long microEth = (int)(sellPriceValue * 1000000.0);
    byte[] max = Numeric.hexStringToByteArray("FFFFFFFF");
    BigInteger maxValue = new BigInteger(1, max);
    if (microEth > maxValue.longValue()) microEth = 0; //check on UI screen if amount is more than we can handle
    //now convert to Wei
    return Convert.toWei(Long.toString(microEth), Convert.Unit.SZABO).toBigInteger();
}