本文整理汇总了Java中org.web3j.crypto.TransactionEncoder类的典型用法代码示例。如果您正苦于以下问题：Java TransactionEncoder类的具体用法？Java TransactionEncoder怎么用？Java TransactionEncoder使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
TransactionEncoder类属于org.web3j.crypto包，在下文中一共展示了TransactionEncoder类的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: testCreateAccountFromScratch
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
@Test
public void testCreateAccountFromScratch() throws Exception {
// create new private/public key pair
ECKeyPair keyPair = Keys.createEcKeyPair();
BigInteger publicKey = keyPair.getPublicKey();
String publicKeyHex = Numeric.toHexStringWithPrefix(publicKey);
BigInteger privateKey = keyPair.getPrivateKey();
String privateKeyHex = Numeric.toHexStringWithPrefix(privateKey);
// create credentials + address from private/public key pair
Credentials credentials = Credentials.create(new ECKeyPair(privateKey, publicKey));
String address = credentials.getAddress();
// print resulting data of new account
System.out.println("private key: '" + privateKeyHex + "'");
System.out.println("public key: '" + publicKeyHex + "'");
System.out.println("address: '" + address + "'\n");
// test (1) check if it's possible to transfer funds to new address
BigInteger amountWei = Convert.toWei("0.131313", Convert.Unit.ETHER).toBigInteger();
transferWei(getCoinbase(), address, amountWei);
BigInteger balanceWei = getBalanceWei(address);
BigInteger nonce = getNonce(address);
assertEquals("Unexpected nonce for 'to' address", BigInteger.ZERO, nonce);
assertEquals("Unexpected balance for 'to' address", amountWei, balanceWei);
// test (2) funds can be transferred out of the newly created account
BigInteger txFees = Web3jConstants.GAS_LIMIT_ETHER_TX.multiply(Web3jConstants.GAS_PRICE);
RawTransaction txRaw = RawTransaction
.createEtherTransaction(
nonce,
Web3jConstants.GAS_PRICE,
Web3jConstants.GAS_LIMIT_ETHER_TX,
getCoinbase(),
amountWei.subtract(txFees));
// sign raw transaction using the sender's credentials
byte[] txSignedBytes = TransactionEncoder.signMessage(txRaw, credentials);
String txSigned = Numeric.toHexString(txSignedBytes);
// send the signed transaction to the ethereum client
EthSendTransaction ethSendTx = web3j
.ethSendRawTransaction(txSigned)
.sendAsync()
.get();
Error error = ethSendTx.getError();
String txHash = ethSendTx.getTransactionHash();
assertNull(error);
assertFalse(txHash.isEmpty());
waitForReceipt(txHash);
assertEquals("Unexpected nonce for 'to' address", BigInteger.ONE, getNonce(address));
assertTrue("Balance for 'from' address too large: " + getBalanceWei(address), getBalanceWei(address).compareTo(txFees) < 0);
}
开发者ID:matthiaszimmermann，项目名称:web3j_demo，代码行数:62，代码来源:CreateAccountTest.java
示例2: execute
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
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();
}
开发者ID:web3j，项目名称:web3j，代码行数:22，代码来源:HumanStandardTokenIT.java
示例3: sendTransactionToken
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
public void sendTransactionToken(
AtlantClient atlantClient,
Nonce nonce,
GasPrice gasPrice,
String address,
String value,
Credentials credentials,
long gasLimit,
String tokenAddress,
long tokenID
) throws Exception {
String s;
s = inputData(tokenID, address, value);
RawTransaction rawTransaction = RawTransaction
.createTransaction(DigitsUtils.getBase10from16(nonce.getResult()),
DigitsUtils.getBase10from16(gasPrice.getResult()),
BigInteger.valueOf(gasLimit), tokenAddress, BigInteger.ZERO, s);
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Hex.toHexString(signedMessage);
callSendTransactions = atlantClient.sendTransaction(callbackSendTransactions, hexValue);
}
开发者ID:AtlantPlatform，项目名称:atlant-android，代码行数:25，代码来源:TransactionRestHandler.java
示例4: sendTransaction
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
public void sendTransaction(
AtlantClient atlantClient,
Nonce nonce,
GasPrice gasPrice,
String address,
String value,
Credentials credentials,
long gasLimit
) throws Exception {
RawTransaction rawTransaction = RawTransaction
.createTransaction(
DigitsUtils.getBase10from16(nonce.getResult()),
DigitsUtils.getBase10from16(gasPrice.getResult()),
BigInteger.valueOf(gasLimit), address, new BigInteger(stringValueFormat(value, 10)), "");
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Hex.toHexString(signedMessage);
callSendTransactions = atlantClient.sendTransaction(callbackSendTransactions, hexValue);
}
开发者ID:AtlantPlatform，项目名称:atlant-android，代码行数:21，代码来源:TransactionRestHandler.java
示例5: testTransferEther
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
@Test
public void testTransferEther() throws Exception {
BigInteger nonce = getNonce(ALICE.getAddress());
RawTransaction rawTransaction = createEtherTransaction(
nonce, BOB.getAddress());
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));
}
开发者ID:web3j，项目名称:web3j，代码行数:21，代码来源:CreateRawTransactionIT.java
示例6: testDeploySmartContract
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
@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()));
}
开发者ID:web3j，项目名称:web3j，代码行数:23，代码来源:CreateRawTransactionIT.java
示例7: testSignTransaction
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
@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());
}
开发者ID:web3j，项目名称:web3j，代码行数:18，代码来源:SignTransactionIT.java
示例8: createSignedTransaction
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
public Transaction createSignedTransaction(String to, BigInteger amountWei, String data, BigInteger nonce, BigInteger gasPrice, BigInteger gasLimit) {
Transaction tx = new Transaction(to, amountWei, data, nonce, gasPrice, gasLimit);
tx.setFromAddress(getAddress());
byte[] signedMessage = TransactionEncoder.signMessage(tx.getRawTransaction(), getCredentials());
tx.setSignedContent(Numeric.toHexString(signedMessage));
return tx;
}
开发者ID:BSI-Business-Systems-Integration-AG，项目名称:trading-network，代码行数:10，代码来源:Account.java
示例9: sendCreateContractTransaction
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
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();
}
开发者ID:web3j，项目名称:web3j，代码行数:28，代码来源:HumanStandardTokenIT.java
示例10: signAndSend
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
public EthSendTransaction signAndSend(RawTransaction rawTransaction)
throws IOException {
byte[] signedMessage;
if (chainId > ChainId.NONE) {
signedMessage = TransactionEncoder.signMessage(rawTransaction, chainId, credentials);
} else {
signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
}
String hexValue = Numeric.toHexString(signedMessage);
return web3j.ethSendRawTransaction(hexValue).send();
}
开发者ID:web3j，项目名称:web3j，代码行数:16，代码来源:RawTransactionManager.java
示例11: createOfflineTx
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
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;
}
开发者ID:matthiaszimmermann，项目名称:ethereum-paper-wallet，代码行数:8，代码来源:PaperWallet.java
示例12: testCreateSignAndSendTransaction
import org.web3j.crypto.TransactionEncoder; //导入依赖的package包/类
/**
* Ether transfer tests using methods {@link RawTransaction#createEtherTransaction()}, {@link TransactionEncoder#signMessage()} and {@link Web3j#ethSendRawTransaction()}.
* Most complex transfer mechanism, but offers the highest flexibility.
*/
@Test
public void testCreateSignAndSendTransaction() throws Exception {
String from = Alice.ADDRESS;
Credentials credentials = Alice.CREDENTIALS;
BigInteger nonce = getNonce(from);
String to = Bob.ADDRESS;
BigInteger amountWei = Convert.toWei("0.789", Convert.Unit.ETHER).toBigInteger();
// create raw transaction
RawTransaction txRaw = RawTransaction
.createEtherTransaction(
nonce,
Web3jConstants.GAS_PRICE,
Web3jConstants.GAS_LIMIT_ETHER_TX,
to,
amountWei);
// sign raw transaction using the sender's credentials
byte[] txSignedBytes = TransactionEncoder.signMessage(txRaw, credentials);
String txSigned = Numeric.toHexString(txSignedBytes);
BigInteger txFeeEstimate = Web3jConstants.GAS_LIMIT_ETHER_TX.multiply(Web3jConstants.GAS_PRICE);
// make sure sender has sufficient funds
ensureFunds(Alice.ADDRESS, amountWei.add(txFeeEstimate));
// record balanances before the ether transfer
BigInteger fromBalanceBefore = getBalanceWei(Alice.ADDRESS);
BigInteger toBalanceBefore = getBalanceWei(Bob.ADDRESS);
// send the signed transaction to the ethereum client
EthSendTransaction ethSendTx = web3j
.ethSendRawTransaction(txSigned)
.sendAsync()
.get();
Error error = ethSendTx.getError();
assertTrue(error == null);
String txHash = ethSendTx.getTransactionHash();
assertFalse(txHash.isEmpty());
TransactionReceipt txReceipt = waitForReceipt(txHash);
BigInteger txFee = txReceipt.getCumulativeGasUsed().multiply(Web3jConstants.GAS_PRICE);
assertEquals("Unexected balance for 'from' address", fromBalanceBefore.subtract(amountWei.add(txFee)), getBalanceWei(from));
assertEquals("Unexected balance for 'to' address", toBalanceBefore.add(amountWei), getBalanceWei(to));
}
开发者ID:matthiaszimmermann，项目名称:web3j_demo，代码行数:54，代码来源:TransferEtherTest.java
注：本文中的org.web3j.crypto.TransactionEncoder类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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