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limit signatures in multisig scriptsig to threshold

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This commit is contained in:
Craig Raw 2024-07-11 11:03:56 +02:00
parent f3ee296280
commit 6b1a0bba95
1 changed files with 3 additions and 3 deletions
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6
src/main/java/com/sparrowwallet/drongo/protocol/ScriptType.java
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@ -413,7 +413,7 @@ public enum ScriptType {
throw new ProtocolException("Provided scriptPubKey is not a " + getName() + " script"); throw new ProtocolException("Provided scriptPubKey is not a " + getName() + " script");
} }
List<TransactionSignature> signatures = pubKeySignatures.values().stream().filter(Objects::nonNull).collect(Collectors.toList()); List<TransactionSignature> signatures = pubKeySignatures.values().stream().filter(Objects::nonNull).limit(threshold).collect(Collectors.toList());
if(signatures.size() < threshold) { if(signatures.size() < threshold) {
throw new ProtocolException("Only " + signatures.size() + " signatures provided to meet a multisig threshold of " + threshold); throw new ProtocolException("Only " + signatures.size() + " signatures provided to meet a multisig threshold of " + threshold);
} }
@ -775,7 +775,7 @@ public enum ScriptType {
public TransactionInput addMultisigSpendingInput(Transaction transaction, TransactionOutput prevOutput, int threshold, Map<ECKey, TransactionSignature> pubKeySignatures) { public TransactionInput addMultisigSpendingInput(Transaction transaction, TransactionOutput prevOutput, int threshold, Map<ECKey, TransactionSignature> pubKeySignatures) {
Script scriptSig = getMultisigScriptSig(prevOutput.getScript(), threshold, pubKeySignatures); Script scriptSig = getMultisigScriptSig(prevOutput.getScript(), threshold, pubKeySignatures);
Script witnessScript = MULTISIG.getOutputScript(threshold, pubKeySignatures.keySet()); Script witnessScript = MULTISIG.getOutputScript(threshold, pubKeySignatures.keySet());
TransactionWitness witness = new TransactionWitness(transaction, pubKeySignatures.values().stream().filter(Objects::nonNull).collect(Collectors.toList()), witnessScript); TransactionWitness witness = new TransactionWitness(transaction, pubKeySignatures.values().stream().filter(Objects::nonNull).limit(threshold).collect(Collectors.toList()), witnessScript);
return transaction.addInput(prevOutput.getHash(), prevOutput.getIndex(), scriptSig, witness); return transaction.addInput(prevOutput.getHash(), prevOutput.getIndex(), scriptSig, witness);
} }
@ -1001,7 +1001,7 @@ public enum ScriptType {
public TransactionInput addMultisigSpendingInput(Transaction transaction, TransactionOutput prevOutput, int threshold, Map<ECKey, TransactionSignature> pubKeySignatures) { public TransactionInput addMultisigSpendingInput(Transaction transaction, TransactionOutput prevOutput, int threshold, Map<ECKey, TransactionSignature> pubKeySignatures) {
Script scriptSig = getMultisigScriptSig(prevOutput.getScript(), threshold, pubKeySignatures); Script scriptSig = getMultisigScriptSig(prevOutput.getScript(), threshold, pubKeySignatures);
Script witnessScript = MULTISIG.getOutputScript(threshold, pubKeySignatures.keySet()); Script witnessScript = MULTISIG.getOutputScript(threshold, pubKeySignatures.keySet());
TransactionWitness witness = new TransactionWitness(transaction, pubKeySignatures.values().stream().filter(Objects::nonNull).collect(Collectors.toList()), witnessScript); TransactionWitness witness = new TransactionWitness(transaction, pubKeySignatures.values().stream().filter(Objects::nonNull).limit(threshold).collect(Collectors.toList()), witnessScript);
return transaction.addInput(prevOutput.getHash(), prevOutput.getIndex(), scriptSig, witness); return transaction.addInput(prevOutput.getHash(), prevOutput.getIndex(), scriptSig, witness);
} }