Java Code Examples for org.web3j.utils.Numeric#toHexString()
The following examples show how to use
org.web3j.utils.Numeric#toHexString() .
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Example 1
| Source File: CreateRawTransactionIT.java From web3j with Apache License 2.0 | 6 votes |
|
@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);
assertEquals(transactionHash, transactionReceipt.getTransactionHash());
assertFalse(
rawTransaction.getGasLimit().equals(transactionReceipt.getGasUsed()),
"Contract execution ran out of gas");
}
Example 2
| Source File: HumanStandardTokenIT.java From etherscan-explorer with GNU General Public License v3.0 | 6 votes |
|
private String execute(
Credentials credentials, Function function, String contractAddress) throws Exception {
BigInteger nonce = getNonce(credentials.getAddress());
String encodedFunction = FunctionEncoder.encode(function);
RawTransaction rawTransaction = RawTransaction.createTransaction(
nonce,
GAS_PRICE,
GAS_LIMIT,
contractAddress,
encodedFunction);
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse = web3j.ethSendRawTransaction(hexValue)
.sendAsync().get();
return transactionResponse.getTransactionHash();
}
Example 3
| Source File: CreateRawTransactionIT.java From etherscan-explorer with GNU General Public License v3.0 | 6 votes |
|
@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 4
| Source File: HumanStandardTokenIT.java From web3j with Apache License 2.0 | 6 votes |
|
private String execute(Credentials credentials, Function function, String contractAddress)
throws Exception {
BigInteger nonce = getNonce(credentials.getAddress());
String encodedFunction = FunctionEncoder.encode(function);
RawTransaction rawTransaction =
RawTransaction.createTransaction(
nonce, GAS_PRICE, GAS_LIMIT, contractAddress, encodedFunction);
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse =
web3j.ethSendRawTransaction(hexValue).sendAsync().get();
return transactionResponse.getTransactionHash();
}
Example 5
| Source File: TransactionDecoderTest.java From web3j with Apache License 2.0 | 6 votes |
|
@Test
public void testDecoding() 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[] encodedMessage = TransactionEncoder.encode(rawTransaction);
String hexMessage = Numeric.toHexString(encodedMessage);
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());
}
Example 6
| Source File: EthereumNetworkManager.java From guarda-android-wallets with GNU General Public License v3.0 | 5 votes |
|
@Override
protected RawTransactionResponse doInBackground(Void... params) {
BigInteger nonce = getNonce();
if (nonce == null) return null;
RawTransaction rawTransaction;
String blockNumber = getBlocNumber();
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())));
}
byte[] signedMessage;
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();
}
if (ethSendTransaction != null && ethSendTransaction.getTransactionHash() != null) {
return new RawTransactionResponse(ethSendTransaction.getTransactionHash(),
hexValue, blockNumber);
} else {
return null;
}
}
Example 7
| Source File: PaperWallet.java From ethereum-paper-wallet with Apache License 2.0 | 5 votes |
|
public String createOfflineTx(String toAddress, BigInteger gasPrice, BigInteger gasLimit, BigInteger amount, BigInteger nonce) {
RawTransaction rawTransaction = RawTransaction.createEtherTransaction(nonce, gasPrice, gasLimit, toAddress, amount);
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Numeric.toHexString(signedMessage);
return hexValue;
}
Example 8
| Source File: TransactionEncoderTest.java From client-sdk-java with Apache License 2.0 | 5 votes |
|
@Test
public void testSignMessage() {
byte[] signedMessage = TransactionEncoder.signMessage(
createEtherTransaction(), SampleKeys.CREDENTIALS);
String hexMessage = Numeric.toHexString(signedMessage);
assertThat(hexMessage,
is("0xf85580010a840add5355887fffffffffffffff80"
+ "1c"
+ "a046360b50498ddf5566551ce1ce69c46c565f1f478bb0ee680caf31fbc08ab727"
+ "a01b2f1432de16d110407d544f519fc91b84c8e16d3b6ec899592d486a94974cd0"));
}
Example 9
| Source File: PrivateTransactionDecoderTest.java From web3j with Apache License 2.0 | 5 votes |
|
@Test
public void testDecodingPrivacyGroup() {
final BigInteger nonce = BigInteger.ZERO;
final BigInteger gasPrice = BigInteger.ONE;
final BigInteger gasLimit = BigInteger.TEN;
final String to = "0x0add5355";
final RawPrivateTransaction rawTransaction =
RawPrivateTransaction.createTransaction(
nonce,
gasPrice,
gasLimit,
to,
"",
MOCK_ENCLAVE_KEY,
MOCK_ENCLAVE_KEY,
RESTRICTED);
byte[] encodedMessage = PrivateTransactionEncoder.encode(rawTransaction);
final String hexMessage = Numeric.toHexString(encodedMessage);
final RawPrivateTransaction result = PrivateTransactionDecoder.decode(hexMessage);
assertNotNull(result);
assertEquals(nonce, result.getNonce());
assertEquals(gasPrice, result.getGasPrice());
assertEquals(gasLimit, result.getGasLimit());
assertEquals(to, result.getTo());
assertEquals("", result.getData());
assertEquals(MOCK_ENCLAVE_KEY, result.getPrivateFrom());
assertEquals(MOCK_ENCLAVE_KEY, result.getPrivacyGroupId().get());
assertEquals(RESTRICTED, result.getRestriction());
}
Example 10
| Source File: HumanStandardTokenIT.java From web3j with Apache License 2.0 | 5 votes |
|
private String sendCreateContractTransaction(Credentials credentials, BigInteger initialSupply)
throws Exception {
BigInteger nonce = getNonce(credentials.getAddress());
String encodedConstructor =
FunctionEncoder.encodeConstructor(
Arrays.asList(
new Uint256(initialSupply),
new Utf8String("web3j tokens"),
new Uint8(BigInteger.TEN),
new Utf8String("w3j$")));
RawTransaction rawTransaction =
RawTransaction.createContractTransaction(
nonce,
GAS_PRICE,
GAS_LIMIT,
BigInteger.ZERO,
getHumanStandardTokenBinary() + encodedConstructor);
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Numeric.toHexString(signedMessage);
EthSendTransaction transactionResponse =
web3j.ethSendRawTransaction(hexValue).sendAsync().get();
return transactionResponse.getTransactionHash();
}
Example 11
| Source File: TransactionDecoderTest.java From etherscan-explorer with GNU General Public License v3.0 | 5 votes |
|
@Test
public void testDecodingSignedChainId() throws Exception {
BigInteger nonce = BigInteger.ZERO;
BigInteger gasPrice = BigInteger.ONE;
BigInteger gasLimit = BigInteger.TEN;
String to = "0x0add5355";
BigInteger value = BigInteger.valueOf(Long.MAX_VALUE);
Integer chainId = 1;
RawTransaction rawTransaction = RawTransaction.createEtherTransaction(
nonce, gasPrice, gasLimit, to, value);
byte[] signedMessage = TransactionEncoder.signMessage(
rawTransaction, chainId.byteValue(), 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;
assertEquals(SampleKeys.ADDRESS, signedResult.getFrom());
signedResult.verify(SampleKeys.ADDRESS);
assertEquals(chainId, signedResult.getChainId());
}
Example 12
| Source File: TransactionEncoderTest.java From etherscan-explorer with GNU General Public License v3.0 | 5 votes |
|
@Test
public void testSignMessage() {
byte[] signedMessage = TransactionEncoder.signMessage(
createEtherTransaction(), SampleKeys.CREDENTIALS);
String hexMessage = Numeric.toHexString(signedMessage);
assertThat(hexMessage,
is("0xf85580010a840add5355887fffffffffffffff80"
+ "1c"
+ "a046360b50498ddf5566551ce1ce69c46c565f1f478bb0ee680caf31fbc08ab727"
+ "a01b2f1432de16d110407d544f519fc91b84c8e16d3b6ec899592d486a94974cd0"));
}
Example 13
| Source File: PrivateTransactionManager.java From web3j with Apache License 2.0 | 5 votes |
|
public String sign(RawPrivateTransaction rawTransaction) {
byte[] signedMessage;
if (chainId > ChainIdLong.NONE) {
signedMessage =
PrivateTransactionEncoder.signMessage(rawTransaction, chainId, credentials);
} else {
signedMessage = PrivateTransactionEncoder.signMessage(rawTransaction, credentials);
}
return Numeric.toHexString(signedMessage);
}
Example 14
| Source File: NameHash.java From etherscan-explorer with GNU General Public License v3.0 | 4 votes |
|
public static String nameHash(String ensName) {
String normalisedEnsName = normalise(ensName);
return Numeric.toHexString(nameHash(normalisedEnsName.split("\\.")));
}
Example 15
| Source File: RlpString.java From web3j with Apache License 2.0 | 4 votes |
|
public String asString() {
return Numeric.toHexString(value);
}
Example 16
| Source File: TokenscriptFunction.java From alpha-wallet-android with MIT License | 4 votes |
|
private String handleTransactionResult(TransactionResult result, Function function, String responseValue, Attribute attr, long lastTransactionTime)
{
String transResult = null;
try
{
//try to interpret the value. For now, just use the raw return value - this is more reliable until we need to interpret arrays
List<Type> response = FunctionReturnDecoder.decode(responseValue, function.getOutputParameters());
if (response.size() > 0)
{
result.resultTime = lastTransactionTime;
Type val = response.get(0);
BigInteger value;
byte[] bytes = Bytes.trimLeadingZeroes(Numeric.hexStringToByteArray(responseValue));
String hexBytes = Numeric.toHexString(bytes);
switch (attr.syntax)
{
case Boolean:
value = Numeric.toBigInt(hexBytes);
transResult = value.equals(BigDecimal.ZERO) ? "FALSE" : "TRUE";
break;
case Integer:
value = Numeric.toBigInt(hexBytes);
transResult = value.toString();
break;
case BitString:
case NumericString:
if (val.getTypeAsString().equals("string"))
{
transResult = (String)val.getValue();
if (responseValue.length() > 2 && transResult.length() == 0)
{
transResult = checkBytesString(responseValue);
}
}
else
{
//should be a decimal string
value = Numeric.toBigInt(hexBytes);
transResult = value.toString();
}
break;
case IA5String:
case DirectoryString:
case GeneralizedTime:
case CountryString:
if (val.getTypeAsString().equals("string"))
{
transResult = (String)val.getValue();
if (responseValue.length() > 2 && transResult.length() == 0)
{
transResult = checkBytesString(responseValue);
}
}
else if (val.getTypeAsString().equals("address"))
{
transResult = (String)val.getValue();
}
else
{
transResult = hexBytes;
}
break;
default:
transResult = hexBytes;
break;
}
}
else
{
result.resultTime = lastTransactionTime == -1 ? -1 : 0;
}
}
catch (Exception e)
{
e.printStackTrace();
}
return transResult;
}
Example 17
| Source File: TokenscriptFunction.java From alpha-wallet-android with MIT License | 4 votes |
|
private String handleTransactionResult(TransactionResult result, Function function, String responseValue, Attribute attr, long lastTransactionTime)
{
String transResult = null;
try
{
//try to interpret the value. For now, just use the raw return value - this is more reliable until we need to interpret arrays
List<Type> response = FunctionReturnDecoder.decode(responseValue, function.getOutputParameters());
if (response.size() > 0)
{
result.resultTime = lastTransactionTime;
Type val = response.get(0);
BigInteger value;
byte[] bytes = Bytes.trimLeadingZeroes(Numeric.hexStringToByteArray(responseValue));
String hexBytes = Numeric.toHexString(bytes);
switch (attr.syntax)
{
case Boolean:
value = Numeric.toBigInt(hexBytes);
transResult = value.equals(BigDecimal.ZERO) ? "FALSE" : "TRUE";
break;
case Integer:
value = Numeric.toBigInt(hexBytes);
transResult = value.toString();
break;
case BitString:
case NumericString:
if (val.getTypeAsString().equals("string"))
{
transResult = (String)val.getValue();
if (responseValue.length() > 2 && transResult.length() == 0)
{
transResult = checkBytesString(responseValue);
}
}
else
{
//should be a decimal string
value = Numeric.toBigInt(hexBytes);
transResult = value.toString();
}
break;
case IA5String:
case DirectoryString:
case GeneralizedTime:
case CountryString:
if (val.getTypeAsString().equals("string"))
{
transResult = (String)val.getValue();
if (responseValue.length() > 2 && transResult.length() == 0)
{
transResult = checkBytesString(responseValue);
}
}
else if (val.getTypeAsString().equals("address"))
{
transResult = (String)val.getValue();
}
else
{
transResult = hexBytes;
}
break;
default:
transResult = hexBytes;
break;
}
}
else
{
result.resultTime = lastTransactionTime == -1 ? -1 : 0;
}
}
catch (Exception e)
{
e.printStackTrace();
}
return transResult;
}
Example 18
| Source File: SupportedSolidityTypesIT.java From eventeum with Apache License 2.0 | 3 votes |
|
@Test
public void testBytes16Broadcast() throws Exception {
final EventEmitter eventEmitter = deployEventEmitterContract();
final ContractEventSpecification eventSpec = new ContractEventSpecification();
eventSpec.setIndexedParameterDefinitions(
Arrays.asList(new ParameterDefinition(0, ParameterType.build("BYTES16"))));
eventSpec.setNonIndexedParameterDefinitions(
Arrays.asList(new ParameterDefinition(1, ParameterType.build("BYTES16"))));
eventSpec.setEventName(eventEmitter.DUMMYEVENTBYTES16_EVENT.getName());
registerEventFilter(createFilter(null , eventEmitter.getContractAddress(), eventSpec));
//Generate random 16 byte value
byte[] rndBytes = randomBytesValue(16);
eventEmitter.emitEventBytes16(rndBytes).send();
waitForContractEventMessages(1);
final ContractEventDetails event = getBroadcastContractEvents().get(0);
final String valueHex = Numeric.toHexString(rndBytes, 0, 16, true);
assertEquals(valueHex, event.getNonIndexedParameters().get(0).getValueString());
assertEquals(valueHex, event.getIndexedParameters().get(0).getValueString());
}
Example 19
| Source File: Hash.java From web3j with Apache License 2.0 | 2 votes |
|
/**
* Keccak-256 hash function.
*
* @param hexInput hex encoded input data with optional 0x prefix
* @return hash value as hex encoded string
*/
public static String sha3(String hexInput) {
byte[] bytes = Numeric.hexStringToByteArray(hexInput);
byte[] result = sha3(bytes);
return Numeric.toHexString(result);
}
Example 20
| Source File: Hash.java From etherscan-explorer with GNU General Public License v3.0 | 2 votes |
|
/**
* Keccak-256 hash function.
*
* @param hexInput hex encoded input data with optional 0x prefix
* @return hash value as hex encoded string
*/
public static String sha3(String hexInput) {
byte[] bytes = Numeric.hexStringToByteArray(hexInput);
byte[] result = sha3(bytes);
return Numeric.toHexString(result);
}
