mirror of
https://github.com/XRPLF/xrpl-dev-portal.git
synced 2025-11-06 21:05:50 +00:00
101 lines
4.2 KiB
Java
101 lines
4.2 KiB
Java
// Create a KeyPair
|
|
KeyPair randomKeyPair = Seed.ed25519Seed().deriveKeyPair();
|
|
|
|
// Get the Classic address from testWallet
|
|
Address classicAddress = randomKeyPair.publicKey().deriveAddress();
|
|
|
|
// Connect --------------------------------------------------------------------
|
|
HttpUrl rippledUrl = HttpUrl.get("https://s.altnet.rippletest.net:51234/");
|
|
XrplClient xrplClient = new XrplClient(rippledUrl);
|
|
|
|
// Prepare transaction --------------------------------------------------------
|
|
// Look up your Account Info
|
|
AccountInfoRequestParams requestParams = AccountInfoRequestParams.builder()
|
|
.account(classicAddress)
|
|
.ledgerSpecifier(LedgerSpecifier.VALIDATED)
|
|
.build();
|
|
AccountInfoResult accountInfoResult = xrplClient.accountInfo(requestParams);
|
|
UnsignedInteger sequence = accountInfoResult.accountData().sequence();
|
|
|
|
// Request current fee information from rippled
|
|
FeeResult feeResult = xrplClient.fee();
|
|
XrpCurrencyAmount openLedgerFee = feeResult.drops().openLedgerFee();
|
|
|
|
// Get the latest validated ledger index
|
|
LedgerIndex validatedLedger = xrplClient.ledger(
|
|
LedgerRequestParams.builder()
|
|
.ledgerSpecifier(LedgerSpecifier.VALIDATED)
|
|
.build()
|
|
)
|
|
.ledgerIndex()
|
|
.orElseThrow(() -> new RuntimeException("LedgerIndex not available."));
|
|
|
|
// LastLedgerSequence is the current ledger index + 4
|
|
UnsignedInteger lastLedgerSequence = validatedLedger.plus(UnsignedInteger.valueOf(4)).unsignedIntegerValue();
|
|
|
|
// Construct a Payment
|
|
Payment payment = Payment.builder()
|
|
.account(classicAddress)
|
|
.amount(XrpCurrencyAmount.ofXrp(BigDecimal.ONE))
|
|
.destination(Address.of("rPT1Sjq2YGrBMTttX4GZHjKu9dyfzbpAYe"))
|
|
.sequence(sequence)
|
|
.fee(openLedgerFee)
|
|
.signingPublicKey(randomKeyPair.publicKey())
|
|
.lastLedgerSequence(lastLedgerSequence)
|
|
.build();
|
|
System.out.println("Constructed Payment: " + payment);
|
|
|
|
// Sign transaction -----------------------------------------------------------
|
|
// Construct a SignatureService to sign the Payment
|
|
SignatureService<PrivateKey> signatureService = new BcSignatureService();
|
|
|
|
// Sign the Payment
|
|
SingleSignedTransaction<Payment> signedPayment = signatureService.sign(randomKeyPair.privateKey(), payment);
|
|
System.out.println("Signed Payment: " + signedPayment.signedTransaction());
|
|
|
|
// Submit transaction ---------------------------------------------------------
|
|
SubmitResult<Payment> paymentSubmitResult = xrplClient.submit(signedPayment);
|
|
System.out.println(paymentSubmitResult);
|
|
|
|
// Wait for validation --------------------------------------------------------
|
|
TransactionResult<Payment> transactionResult = null;
|
|
|
|
boolean transactionValidated = false;
|
|
boolean transactionExpired = false;
|
|
while (!transactionValidated && !transactionExpired) {
|
|
Thread.sleep(4 * 1000);
|
|
|
|
LedgerIndex latestValidatedLedgerIndex = xrplClient.ledger(
|
|
LedgerRequestParams.builder()
|
|
.ledgerSpecifier(LedgerSpecifier.VALIDATED)
|
|
.build()
|
|
)
|
|
.ledgerIndex()
|
|
.orElseThrow(() -> new RuntimeException("Ledger response did not contain a LedgerIndex."));
|
|
|
|
transactionResult = xrplClient.transaction(TransactionRequestParams.of(signedPayment.hash()), Payment.class);
|
|
|
|
if (transactionResult.validated()) {
|
|
System.out.println("Payment was validated with result code " + transactionResult.metadata().get().transactionResult());
|
|
transactionValidated = true;
|
|
} else {
|
|
boolean lastLedgerSequenceHasPassed = FluentCompareTo.is(latestValidatedLedgerIndex.unsignedIntegerValue())
|
|
.greaterThan(UnsignedInteger.valueOf(lastLedgerSequence.intValue()));
|
|
if (lastLedgerSequenceHasPassed) {
|
|
System.out.println("LastLedgerSequence has passed. Last tx response: " + transactionResult);
|
|
transactionExpired = true;
|
|
} else {
|
|
System.out.println("Payment not yet validated.");
|
|
}
|
|
}
|
|
|
|
// Check transaction results --------------------------------------------------
|
|
System.out.println(transactionResult);
|
|
System.out.println("Explorer link: https://testnet.xrpl.org/transactions/" + signedPayment.hash());
|
|
transactionResult.metadata().ifPresent(metadata -> {
|
|
System.out.println("Result code: " + metadata.transactionResult());
|
|
metadata.deliveredAmount().ifPresent(deliveredAmount ->
|
|
System.out.println("XRP Delivered: " + ((XrpCurrencyAmount) deliveredAmount).toXrp()));
|
|
}
|
|
);
|