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shorten code sample line lengths to < 80

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This commit is contained in:
nkramer44
2021-05-05 10:30:51 -04:00
parent 571ea65c2a
commit f9b92f1b33
3 changed files with 62 additions and 33 deletions
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28
content/_code-samples/secure-signing/java/SignPayment.java
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@@ -11,8 +11,11 @@ WalletFactory walletFactory = DefaultWalletFactory.getInstance();
Wallet wallet = walletFactory.randomWallet(true).wallet();
// Construct a SingleKeySignatureService from the Wallet private key
PrivateKey privateKey = PrivateKey.fromBase16EncodedPrivateKey(wallet.privateKey().get());
SingleKeySignatureService signatureService = new SingleKeySignatureService(privateKey);
PrivateKey privateKey = PrivateKey.fromBase16EncodedPrivateKey(
wallet.privateKey().get()
);
SingleKeySignatureService signatureService =
new SingleKeySignatureService(privateKey);
// Construct and sign the Payment
Payment payment = Payment.builder()
@@ -23,8 +26,10 @@ Payment payment = Payment.builder()
.sequence(UnsignedInteger.valueOf(16126889))
.signingPublicKey(signatureService.getPublicKey(KeyMetadata.EMPTY))
.build();
Payment payment = constructPayment(wallet.classicAddress(), signatureService.getPublicKey(KeyMetadata.EMPTY));
SignedTransaction<Payment> signedPayment = signatureService.sign(KeyMetadata.EMPTY, payment);
SignedTransaction<Payment> signedPayment = signatureService.sign(
KeyMetadata.EMPTY,
payment
);
System.out.println("Signed Payment: " + signedPayment.signedTransaction());
@@ -38,11 +43,14 @@ System.out.println("Signed Payment: " + signedPayment.signedTransaction());
//
// Though this implementation is more secure than SingleKeySignatureService
// and better suited for server-side applications, keys are still held
// in memory. For the best security, we suggest using a HSM-based implementation.
// in memory. For the best security, we suggest using a HSM-based
// implementation.
////////////////////////////////////////////////////////////////////////////
// Construct a DerivedKeysSignatureService with a server secret (in this case "shh")
DerivedKeysSignatureService signatureService = new DerivedKeysSignatureService("shh"::getBytes, VersionType.ED25519);
// Construct a DerivedKeysSignatureService with a server secret
// (in this case "shh")
DerivedKeysSignatureService signatureService =
new DerivedKeysSignatureService("shh"::getBytes, VersionType.ED25519);
// Choose a walletId. This can be anything as long as it is unique to your system.
String walletId = "sample-wallet";
@@ -56,7 +64,8 @@ KeyMetadata keyMetadata = KeyMetadata.builder()
// Get the public key and classic address for the given walletId
PublicKey publicKey = signatureService.getPublicKey(keyMetadata);
Address classicAddress = DefaultKeyPairService.getInstance().deriveAddress(publicKey.value());
Address classicAddress = DefaultKeyPairService.getInstance()
.deriveAddress(publicKey.value());
// Construct and sign the Payment
Payment payment = Payment.builder()
@@ -68,5 +77,6 @@ Payment payment = Payment.builder()
.signingPublicKey(publicKey.base16Encoded())
.build();
SignedTransaction<Payment> signedPayment = signatureService.sign(keyMetadata, payment);
SignedTransaction<Payment> signedPayment = signatureService
.sign(keyMetadata, payment);
System.out.println("Signed Payment: " + signedPayment.signedTransaction());