XRPL4J - 签署 NFTokenMint 交易时出错
XRPL4J - Error in signing NFTokenMint transaction
我正在试用 XRPL4J 库的 XLS-20 nft-support 分支。我创建了一个 nft-devnet 水龙头地址并正在尝试一个基本的 NFTokenMint 交易。
我重复使用了一些可用的教程代码来获取某些值，例如序列或分类帐费用。
如果我理解正确的话，我的 tk 对象有问题。但是我想不出具体原因。
WalletFactory walletFactory = DefaultWalletFactory.getInstance();
Wallet testWallet = walletFactory.fromSeed("shhf1NSyjZw1JLj9Y67XdiAeaqDou", true);
// Get the Classic address from testWallet
Address classicAddress = testWallet.classicAddress();
// Connect --------------------------------------------------------------------
HttpUrl rippledUrl = HttpUrl.get("http://xls20-sandbox.rippletest.net:51234");
XrplClient xrplClient = new XrplClient(rippledUrl);
// Prepare transaction --------------------------------------------------------
// Look up your Account Info
AccountInfoRequestParams requestParams = AccountInfoRequestParams.builder()
.ledgerIndex(LedgerIndex.VALIDATED)
.account(classicAddress)
.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()
.ledgerIndex(LedgerIndex.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()
);
NfTokenMint tk = NfTokenMint.builder()
.account(classicAddress)
.signingPublicKey(publicKey)
.lastLedgerSequence(lastLedgerSequence)
.fee(openLedgerFee)
.flags(Flags.NfTokenMintFlags.builder().tfOnlyXRP(true).tfTransferable(true).build())
.tokenTaxon(UnsignedLong.ZERO)
.sequence(sequence)
.uri("ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf4dfuylqabf3oclgtqy55fbzdi")
.build();
// Sign the Minting
SignedTransaction<NfTokenMint> signedMinting = signatureService.sign(KeyMetadata.EMPTY, tk);
在签名行中出现以下错误：
java.lang.NumberFormatException: NfTokenMint
at com.google.common.primitives.UnsignedLongs.parseUnsignedLong(UnsignedLongs.java:351) ~[guava-29.0-jre.jar:na]
at com.google.common.primitives.UnsignedLong.valueOf(UnsignedLong.java:123) ~[guava-29.0-jre.jar:na]
at com.google.common.primitives.UnsignedLong.valueOf(UnsignedLong.java:110) ~[guava-29.0-jre.jar:na]
at org.xrpl.xrpl4j.codec.binary.types.UInt16Type.fromJson(UInt16Type.java:28) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.types.UInt16Type.fromJson(UInt16Type.java:11) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.serdes.BinarySerializer.writeFieldAndValue(BinarySerializer.java:90) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.types.STObjectType.lambda$fromJson(STObjectType.java:78) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[na:na]
at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[na:na]
at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[na:na]
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[na:na]
at org.xrpl.xrpl4j.codec.binary.types.STObjectType.fromJson(STObjectType.java:76) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.XrplBinaryCodec.encode(XrplBinaryCodec.java:61) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.XrplBinaryCodec.encodeForSigning(XrplBinaryCodec.java:75) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.crypto.signing.SignatureUtils.toSignableBytes(SignatureUtils.java:67) ~[xrpl4j-crypto-core-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.crypto.signing.AbstractSignatureService.signWithBehavior(AbstractSignatureService.java:69) ~[xrpl4j-crypto-core-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.crypto.signing.AbstractSignatureService.sign(AbstractSignatureService.java:54) ~[xrpl4j-crypto-core-nft-support-SNAPSHOT.jar:na]
at com.example.demo.controller.nft.NFTController.mintNFT(NFTController.java:105) ~[main/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.15.jar:5.3.15]
我的 NFTokenMint 对象如下所示：
NfTokenMint
{
account=rfdbh2jffFip1HerCZijvuj6qcu627uRxT,
fee=10,
sequence=571503,
lastLedgerSequence=1028823,
memos=[],
signers=[],
signingPublicKey=aBRfkx8B2f8CZurgtcCphkmBhQC2CbeBSx4YqQdcMEb6QNnLxbbL,
tokenTaxon=0,
uri=ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf4dfuylqabf3oclgtqy55fbzdi,
flags=2147483658
}
针对这个问题，xrpl4j 代码库中修复了这个问题。有关详细信息，请参阅 https://github.com/XRPLF/xrpl4j/issues/223。
我正在试用 XRPL4J 库的 XLS-20 nft-support 分支。我创建了一个 nft-devnet 水龙头地址并正在尝试一个基本的 NFTokenMint 交易。
我重复使用了一些可用的教程代码来获取某些值，例如序列或分类帐费用。
如果我理解正确的话，我的 tk 对象有问题。但是我想不出具体原因。
WalletFactory walletFactory = DefaultWalletFactory.getInstance();
Wallet testWallet = walletFactory.fromSeed("shhf1NSyjZw1JLj9Y67XdiAeaqDou", true);
// Get the Classic address from testWallet
Address classicAddress = testWallet.classicAddress();
// Connect --------------------------------------------------------------------
HttpUrl rippledUrl = HttpUrl.get("http://xls20-sandbox.rippletest.net:51234");
XrplClient xrplClient = new XrplClient(rippledUrl);
// Prepare transaction --------------------------------------------------------
// Look up your Account Info
AccountInfoRequestParams requestParams = AccountInfoRequestParams.builder()
.ledgerIndex(LedgerIndex.VALIDATED)
.account(classicAddress)
.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()
.ledgerIndex(LedgerIndex.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()
);
NfTokenMint tk = NfTokenMint.builder()
.account(classicAddress)
.signingPublicKey(publicKey)
.lastLedgerSequence(lastLedgerSequence)
.fee(openLedgerFee)
.flags(Flags.NfTokenMintFlags.builder().tfOnlyXRP(true).tfTransferable(true).build())
.tokenTaxon(UnsignedLong.ZERO)
.sequence(sequence)
.uri("ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf4dfuylqabf3oclgtqy55fbzdi")
.build();
// Sign the Minting
SignedTransaction<NfTokenMint> signedMinting = signatureService.sign(KeyMetadata.EMPTY, tk);
在签名行中出现以下错误：
java.lang.NumberFormatException: NfTokenMint
at com.google.common.primitives.UnsignedLongs.parseUnsignedLong(UnsignedLongs.java:351) ~[guava-29.0-jre.jar:na]
at com.google.common.primitives.UnsignedLong.valueOf(UnsignedLong.java:123) ~[guava-29.0-jre.jar:na]
at com.google.common.primitives.UnsignedLong.valueOf(UnsignedLong.java:110) ~[guava-29.0-jre.jar:na]
at org.xrpl.xrpl4j.codec.binary.types.UInt16Type.fromJson(UInt16Type.java:28) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.types.UInt16Type.fromJson(UInt16Type.java:11) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.serdes.BinarySerializer.writeFieldAndValue(BinarySerializer.java:90) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.types.STObjectType.lambda$fromJson(STObjectType.java:78) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[na:na]
at java.base/java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:357) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:510) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[na:na]
at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[na:na]
at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[na:na]
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:na]
at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[na:na]
at org.xrpl.xrpl4j.codec.binary.types.STObjectType.fromJson(STObjectType.java:76) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.XrplBinaryCodec.encode(XrplBinaryCodec.java:61) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.codec.binary.XrplBinaryCodec.encodeForSigning(XrplBinaryCodec.java:75) ~[xrpl4j-binary-codec-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.crypto.signing.SignatureUtils.toSignableBytes(SignatureUtils.java:67) ~[xrpl4j-crypto-core-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.crypto.signing.AbstractSignatureService.signWithBehavior(AbstractSignatureService.java:69) ~[xrpl4j-crypto-core-nft-support-SNAPSHOT.jar:na]
at org.xrpl.xrpl4j.crypto.signing.AbstractSignatureService.sign(AbstractSignatureService.java:54) ~[xrpl4j-crypto-core-nft-support-SNAPSHOT.jar:na]
at com.example.demo.controller.nft.NFTController.mintNFT(NFTController.java:105) ~[main/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150) ~[spring-web-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1067) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:963) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.3.15.jar:5.3.15]
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.3.15.jar:5.3.15]
我的 NFTokenMint 对象如下所示：
NfTokenMint
{
account=rfdbh2jffFip1HerCZijvuj6qcu627uRxT,
fee=10,
sequence=571503,
lastLedgerSequence=1028823,
memos=[],
signers=[],
signingPublicKey=aBRfkx8B2f8CZurgtcCphkmBhQC2CbeBSx4YqQdcMEb6QNnLxbbL,
tokenTaxon=0,
uri=ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf4dfuylqabf3oclgtqy55fbzdi,
flags=2147483658
}
针对这个问题，xrpl4j 代码库中修复了这个问题。有关详细信息，请参阅 https://github.com/XRPLF/xrpl4j/issues/223。