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Update tutorial for xrpl4j v3

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This PR updates all Java examples to utilize xrpl4j v3, which has slight different contracts as compared to v2.
This commit is contained in:
David Fuelling
2023-05-09 16:54:40 -06:00
parent 022f24c1e6
commit a18fe56cdf
7 changed files with 189 additions and 220 deletions
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92
content/_code-samples/send-xrp/java/SendXrp.java
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@@ -1,12 +1,8 @@
// Example Credentials --------------------------------------------------------
WalletFactory walletFactory = DefaultWalletFactory.getInstance();
Wallet testWallet = walletFactory
.fromSeed("sn3nxiW7v8KXzPzAqzyHXbSSKNuN9", true)
.wallet();
// Create a KeyPair
KeyPair randomKeyPair = Seed.ed25519Seed().deriveKeyPair();
// Get the Classic address from testWallet
Address classicAddress = testWallet.classicAddress();
System.out.println(classicAddress); // "rMCcNuTcajgw7YTgBy1sys3b89QqjUrMpH"
Address classicAddress = randomKeyPair.publicKey().deriveAddress();
// Connect --------------------------------------------------------------------
HttpUrl rippledUrl = HttpUrl.get("https://s.altnet.rippletest.net:51234/");
@@ -15,9 +11,9 @@ XrplClient xrplClient = new XrplClient(rippledUrl);
// Prepare transaction --------------------------------------------------------
// Look up your Account Info
AccountInfoRequestParams requestParams = AccountInfoRequestParams.builder()
.ledgerIndex(LedgerIndex.VALIDATED)
.account(classicAddress)
.build();
.ledgerSpecifier(LedgerSpecifier.VALIDATED)
.build();
AccountInfoResult accountInfoResult = xrplClient.accountInfo(requestParams);
UnsignedInteger sequence = accountInfoResult.accountData().sequence();
@@ -27,17 +23,15 @@ XrpCurrencyAmount openLedgerFee = feeResult.drops().openLedgerFee();
// Get the latest validated ledger index
LedgerIndex validatedLedger = xrplClient.ledger(
LedgerRequestParams.builder()
.ledgerIndex(LedgerIndex.VALIDATED)
.build()
)
LedgerRequestParams.builder()
.ledgerSpecifier(LedgerSpecifier.VALIDATED)
.build()
)
.ledgerIndex()
.orElseThrow(() -> new RuntimeException("LedgerIndex not available."));
// Workaround for https://github.com/XRPLF/xrpl4j/issues/84
UnsignedInteger lastLedgerSequence = UnsignedInteger.valueOf(
validatedLedger.plus(UnsignedLong.valueOf(4)).unsignedLongValue().intValue()
);
// LastLedgerSequence is the current ledger index + 4
UnsignedInteger lastLedgerSequence = validatedLedger.plus(UnsignedInteger.valueOf(4)).unsignedIntegerValue();
// Construct a Payment
Payment payment = Payment.builder()
@@ -46,75 +40,61 @@ Payment payment = Payment.builder()
.destination(Address.of("rPT1Sjq2YGrBMTttX4GZHjKu9dyfzbpAYe"))
.sequence(sequence)
.fee(openLedgerFee)
.signingPublicKey(testWallet.publicKey())
.signingPublicKey(randomKeyPair.publicKey())
.lastLedgerSequence(lastLedgerSequence)
.build();
System.out.println("Constructed Payment: " + payment);
// Sign transaction -----------------------------------------------------------
// Construct a SignatureService to sign the Payment
PrivateKey privateKey = PrivateKey.fromBase16EncodedPrivateKey(
testWallet.privateKey().get()
);
SignatureService signatureService = new SingleKeySignatureService(privateKey);
SignatureService<PrivateKey> signatureService = new BcSignatureService();
// Sign the Payment
SignedTransaction<Payment> signedPayment = signatureService.sign(
KeyMetadata.EMPTY,
payment
);
SingleSignedTransaction<Payment> signedPayment = signatureService.sign(randomKeyPair.privateKey(), payment);
System.out.println("Signed Payment: " + signedPayment.signedTransaction());
// Submit transaction ---------------------------------------------------------
SubmitResult<Transaction> prelimResult = xrplClient.submit(signedPayment);
System.out.println(prelimResult);
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().ledgerIndex(LedgerIndex.VALIDATED).build()
)
.ledgerIndex()
.orElseThrow(() ->
new RuntimeException("Ledger response did not contain a LedgerIndex.")
);
TransactionResult<Payment> transactionResult = xrplClient.transaction(
TransactionRequestParams.of(signedPayment.hash()),
Payment.class
);
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());
System.out.println("Payment was validated with result code " + transactionResult.metadata().get().transactionResult());
transactionValidated = true;
} else {
boolean lastLedgerSequenceHasPassed = FluentCompareTo.
is(latestValidatedLedgerIndex.unsignedLongValue())
.greaterThan(UnsignedLong.valueOf(lastLedgerSequence.intValue()));
boolean lastLedgerSequenceHasPassed = FluentCompareTo.is(latestValidatedLedgerIndex.unsignedIntegerValue())
.greaterThan(UnsignedInteger.valueOf(lastLedgerSequence.intValue()));
if (lastLedgerSequenceHasPassed) {
System.out.println("LastLedgerSequence has passed. Last tx response: "
transactionResult);
);
System.out.println("LastLedgerSequence has passed. Last tx response: " + transactionResult);
transactionExpired = true;
} else {
System.out.println("Payment not yet validated.");
}
}
}
// Check transaction results --------------------------------------------------
// Check transaction results
System.out.println(transactionResult);
System.out.println("Explorer link: https://testnet.xrpl.org/transactions/" +
signedPayment.hash());
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())
);
});
System.out.println("XRP Delivered: " + ((XrpCurrencyAmount) deliveredAmount).toXrp()));
}
);