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Add test case for SIGHASH_ALL_ANYONECANPAY in taproot (#4442)
* Add test case for SIGHASH_ALL_ANYONECANPAY in taproot * Remove spendingTx comment
This commit is contained in:
Chris Stewart
GitHub
parent
3122e1d0f8
commit
0c14fc961b
2 changed files with 67 additions and 16 deletions
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@ -561,7 +561,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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val outputMap: Map[TransactionOutPoint, TransactionOutput] =
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spendingTx.inputs.map(_.previousOutput).zip(Vector(prevOutput)).toMap
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -616,7 +616,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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val outputMap: Map[TransactionOutPoint, TransactionOutput] =
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spendingTx.inputs.map(_.previousOutput).zip(prevOutputs).toMap
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -688,7 +688,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -731,7 +731,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -782,7 +782,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -829,7 +829,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -920,7 +920,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -961,7 +961,7 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx, //spendingTx,
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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@ -980,4 +980,43 @@ class TransactionSignatureSerializerTest extends BitcoinSUnitTest {
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assert(serialize.toHex == expected)
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}
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it must "serialize a taproot keyspend SIGHASH_ALL_ANYONECANSPEND" in {
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val expected =
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"00816c780499da010000a0e6c05b4d684eeb145d9225f15319226c5fd78617f5db646630c0584662a6a3008c033b67f78dfe0867489e0e5a032f24d14ee3c57637c22e71701fd79b64012ad200000094037f010000000022512057c1162a56ec9db80a8eb342634f613c8d990bf305925df7ddb85b356ce8f0bb7138b5c8"
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val spendingTxHex =
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"6c780499018c033b67f78dfe0867489e0e5a032f24d14ee3c57637c22e71701fd79b64012ad2000000007138b5c80168666e0000000000160014e7f8b1de86947bf379378ebd4368d37361fac307da010000"
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val spendingTx = Transaction.fromHex(spendingTxHex)
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val inputIndex = UInt32.zero
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val prevout = TransactionOutput.fromHex(
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"94037f010000000022512057c1162a56ec9db80a8eb342634f613c8d990bf305925df7ddb85b356ce8f0bb")
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val prevOutputs = Vector(prevout)
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val outputMap: Map[TransactionOutPoint, TransactionOutput] =
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spendingTx.inputs.map(_.previousOutput).zip(prevOutputs).toMap
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val witnessStackHex = Vector(
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"228187c314a903fe94c1c8260c243e0949a3233d404a58f90cd991a44f5dad4d89bd5763525b437a10a973abd8eb99adcfec9e2865fa235fa4d6af82c427f17a81")
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val witnessStack = witnessStackHex.map(w => ByteVector.fromValidHex(w))
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val witness = TaprootKeyPath.fromStack(witnessStack.reverse)
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val witnessTx =
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WitnessTransaction
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.toWitnessTx(spendingTx)
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.updateWitness(inputIndex.toInt, witness)
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val taprootTxSigComponent = TaprootTxSigComponent(witnessTx,
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inputIndex,
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outputMap,
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Policy.standardFlags)
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val taprootOptions = TaprootSerializationOptions.empty
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val serialize = TransactionSignatureSerializer.serializeForSignature(
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taprootTxSigComponent,
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HashType.sigHashAllAnyoneCanPay,
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taprootOptions)
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assert(serialize.toHex == expected)
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}
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}
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@ -248,6 +248,8 @@ sealed abstract class TransactionSignatureSerializer {
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val isNotAnyoneCanPay = !HashType.isAnyoneCanPay(hashType)
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val isNotSigHashSingle = !HashType.isSigHashSingle(hashType.num)
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val isNotSigHashNone = !HashType.isSigHashNone(hashType.num)
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val isSigHashAllAnyoneCanPay =
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HashType.isSigHashAllAnyoneCanPay(hashType.num)
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val extFlag = taprootSigVersion match {
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case SigVersionTaprootKeySpend => 0.toByte
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@ -265,6 +267,7 @@ sealed abstract class TransactionSignatureSerializer {
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val b = spendingTransaction.inputs(inputIndex.toInt).previousOutput
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b.bytes
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}
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val amounts = {
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if (isNotAnyoneCanPay) {
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val b = BytesUtil.toByteVector(outputs.map(_.value))
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@ -282,6 +285,7 @@ sealed abstract class TransactionSignatureSerializer {
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b.bytes
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}
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}
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val sequenceHash: ByteVector =
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if (isNotAnyoneCanPay) {
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val sequences = spendingTransaction.inputs.map(_.sequence)
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@ -314,7 +318,6 @@ sealed abstract class TransactionSignatureSerializer {
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.bytes
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hash
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} else ByteVector.empty
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val haveAnnex: Boolean = taprootOptions.haveAnnex
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val annexByte = if (haveAnnex) 1.toByte else 0.toByte
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@ -361,15 +364,24 @@ sealed abstract class TransactionSignatureSerializer {
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inputIndexBytes ++ annexBytes ++ tapScriptBytes
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}
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} else {
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if (isSigHashAllAnyoneCanPay) {
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//different ordering if we use SIGHASH_ANYONECANPAY
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epoch ++ ByteVector
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.fromByte(
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hashType.byte) ++ version ++ locktimeBytes ++ outputHash ++
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ByteVector.fromByte(
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spendType) ++ outPointHash ++ amounts ++ spentSPKs ++
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sequenceHash ++ annexBytes ++ tapScriptBytes
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} else {
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//different ordering if we use SIGHASH_ANYONECANPAY
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epoch ++ ByteVector.fromByte(
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hashType.byte) ++ version ++ locktimeBytes ++ ByteVector.fromByte(
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spendType) ++
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hashType.byte) ++ version ++ locktimeBytes ++ ByteVector
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.fromByte(spendType) ++
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outPointHash ++ amounts ++ spentSPKs ++
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sequenceHash ++ annexBytes ++ outputHash ++ tapScriptBytes
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}
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}
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}
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result
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}
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