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minor refactor of bip322 implementation

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This commit is contained in:
Craig Raw 2023-07-04 08:50:49 +02:00
parent e965a9ddd7
commit f47d5de392
2 changed files with 10 additions and 56 deletions
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10
src/main/java/com/sparrowwallet/drongo/crypto/Bip322.java
View file

@ -16,9 +16,12 @@ import java.util.*;
import static com.sparrowwallet.drongo.protocol.ScriptType.P2TR; import static com.sparrowwallet.drongo.protocol.ScriptType.P2TR;
public class Bip322 { public class Bip322 {
public static String signMessageBip322(ScriptType scriptType, Address address, String message, PSBTInputSigner psbtInputSigner) { public static String signMessageBip322(ScriptType scriptType, String message, ECKey privKey) {
checkScriptType(scriptType); checkScriptType(scriptType);
ECKey pubKey = ECKey.fromPublicOnly(privKey);
Address address = scriptType.getAddress(pubKey);
Transaction toSpend = getBip322ToSpend(address, message); Transaction toSpend = getBip322ToSpend(address, message);
Transaction toSign = getBip322ToSign(toSpend); Transaction toSign = getBip322ToSign(toSpend);
@ -28,9 +31,8 @@ public class Bip322 {
PSBTInput psbtInput = psbt.getPsbtInputs().get(0); PSBTInput psbtInput = psbt.getPsbtInputs().get(0);
psbtInput.setWitnessUtxo(utxoOutput); psbtInput.setWitnessUtxo(utxoOutput);
psbtInput.setSigHash(SigHash.ALL); psbtInput.setSigHash(SigHash.ALL);
psbtInput.sign(psbtInputSigner); psbtInput.sign(scriptType.getOutputKey(privKey));
ECKey pubKey = psbtInputSigner.getPubKey();
TransactionSignature signature = psbtInput.isTaproot() ? psbtInput.getTapKeyPathSignature() : psbtInput.getPartialSignature(pubKey); TransactionSignature signature = psbtInput.isTaproot() ? psbtInput.getTapKeyPathSignature() : psbtInput.getPartialSignature(pubKey);
Transaction finalizeTransaction = new Transaction(); Transaction finalizeTransaction = new Transaction();
@ -53,7 +55,7 @@ public class Bip322 {
TransactionSignature signature; TransactionSignature signature;
ECKey pubKey; ECKey pubKey;
if(address.getScriptType() == ScriptType.P2WPKH) { if(scriptType == ScriptType.P2WPKH) {
signature = witness.getSignatures().get(0); signature = witness.getSignatures().get(0);
pubKey = ECKey.fromPublicOnly(witness.getPushes().get(1)); pubKey = ECKey.fromPublicOnly(witness.getPushes().get(1));

56
src/test/java/com/sparrowwallet/drongo/crypto/Bip322Test.java
View file

@ -4,10 +4,6 @@ import com.sparrowwallet.drongo.Utils;
import com.sparrowwallet.drongo.address.Address; import com.sparrowwallet.drongo.address.Address;
import com.sparrowwallet.drongo.address.InvalidAddressException; import com.sparrowwallet.drongo.address.InvalidAddressException;
import com.sparrowwallet.drongo.protocol.ScriptType; import com.sparrowwallet.drongo.protocol.ScriptType;
import com.sparrowwallet.drongo.protocol.Sha256Hash;
import com.sparrowwallet.drongo.protocol.SigHash;
import com.sparrowwallet.drongo.protocol.TransactionSignature;
import com.sparrowwallet.drongo.psbt.PSBTInputSigner;
import org.junit.Assert; import org.junit.Assert;
import org.junit.Test; import org.junit.Test;
@ -29,32 +25,10 @@ public class Bip322Test {
Address address = ScriptType.P2WPKH.getAddress(privKey); Address address = ScriptType.P2WPKH.getAddress(privKey);
Assert.assertEquals("bc1q9vza2e8x573nczrlzms0wvx3gsqjx7vavgkx0l", address.toString()); Assert.assertEquals("bc1q9vza2e8x573nczrlzms0wvx3gsqjx7vavgkx0l", address.toString());
String signature = Bip322.signMessageBip322(ScriptType.P2WPKH, address, "", new PSBTInputSigner() { String signature = Bip322.signMessageBip322(ScriptType.P2WPKH, "", privKey);
@Override
public TransactionSignature sign(Sha256Hash hash, SigHash sigHash, TransactionSignature.Type signatureType) {
return privKey.sign(hash, sigHash, signatureType);
}
@Override
public ECKey getPubKey() {
return ECKey.fromPublicOnly(privKey);
}
});
Assert.assertEquals("AkcwRAIgM2gBAQqvZX15ZiysmKmQpDrG83avLIT492QBzLnQIxYCIBaTpOaD20qRlEylyxFSeEA2ba9YOixpX8z46TSDtS40ASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=", signature); Assert.assertEquals("AkcwRAIgM2gBAQqvZX15ZiysmKmQpDrG83avLIT492QBzLnQIxYCIBaTpOaD20qRlEylyxFSeEA2ba9YOixpX8z46TSDtS40ASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=", signature);
String signature2 = Bip322.signMessageBip322(ScriptType.P2WPKH, address, "Hello World", new PSBTInputSigner() { String signature2 = Bip322.signMessageBip322(ScriptType.P2WPKH, "Hello World", privKey);
@Override
public TransactionSignature sign(Sha256Hash hash, SigHash sigHash, TransactionSignature.Type signatureType) {
return privKey.sign(hash, sigHash, signatureType);
}
@Override
public ECKey getPubKey() {
return ECKey.fromPublicOnly(privKey);
}
});
Assert.assertEquals("AkcwRAIgZRfIY3p7/DoVTty6YZbWS71bc5Vct9p9Fia83eRmw2QCICK/ENGfwLtptFluMGs2KsqoNSk89pO7F29zJLUx9a/sASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=", signature2); Assert.assertEquals("AkcwRAIgZRfIY3p7/DoVTty6YZbWS71bc5Vct9p9Fia83eRmw2QCICK/ENGfwLtptFluMGs2KsqoNSk89pO7F29zJLUx9a/sASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=", signature2);
} }
@ -89,18 +63,7 @@ public class Bip322Test {
Address address = ScriptType.P2TR.getAddress(privKey); Address address = ScriptType.P2TR.getAddress(privKey);
Assert.assertEquals("bc1ppv609nr0vr25u07u95waq5lucwfm6tde4nydujnu8npg4q75mr5sxq8lt3", address.toString()); Assert.assertEquals("bc1ppv609nr0vr25u07u95waq5lucwfm6tde4nydujnu8npg4q75mr5sxq8lt3", address.toString());
String signature = Bip322.signMessageBip322(ScriptType.P2TR, address, "Hello World", new PSBTInputSigner() { String signature = Bip322.signMessageBip322(ScriptType.P2TR, "Hello World", privKey);
@Override
public TransactionSignature sign(Sha256Hash hash, SigHash sigHash, TransactionSignature.Type signatureType) {
return address.getScriptType().getOutputKey(privKey).sign(hash, sigHash, signatureType);
}
@Override
public ECKey getPubKey() {
return ECKey.fromPublicOnly(privKey);
}
});
Assert.assertEquals("AUHd69PrJQEv+oKTfZ8l+WROBHuy9HKrbFCJu7U1iK2iiEy1vMU5EfMtjc+VSHM7aU0SDbak5IUZRVno2P5mjSafAQ==", signature); Assert.assertEquals("AUHd69PrJQEv+oKTfZ8l+WROBHuy9HKrbFCJu7U1iK2iiEy1vMU5EfMtjc+VSHM7aU0SDbak5IUZRVno2P5mjSafAQ==", signature);
} }
@ -122,18 +85,7 @@ public class Bip322Test {
Address address = ScriptType.P2SH_P2WPKH.getAddress(privKey); Address address = ScriptType.P2SH_P2WPKH.getAddress(privKey);
Assert.assertEquals("37qyp7jQAzqb2rCBpMvVtLDuuzKAUCVnJb", address.toString()); Assert.assertEquals("37qyp7jQAzqb2rCBpMvVtLDuuzKAUCVnJb", address.toString());
String signature = Bip322.signMessageBip322(ScriptType.P2SH_P2WPKH, address, "Hello World", new PSBTInputSigner() { String signature = Bip322.signMessageBip322(ScriptType.P2SH_P2WPKH, "Hello World", privKey);
@Override
public TransactionSignature sign(Sha256Hash hash, SigHash sigHash, TransactionSignature.Type signatureType) {
return address.getScriptType().getOutputKey(privKey).sign(hash, sigHash, signatureType);
}
@Override
public ECKey getPubKey() {
return ECKey.fromPublicOnly(privKey);
}
});
Assert.assertEquals("AkcwRAIgHx821fcP3D4R6RsXHF8kXza4d/SqpKGaGu++AEQjJz0CIH9cN5XGDkgkqqF9OMTbYvhgI7Yp9NoHXEgLstjqDOqDASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=", signature); Assert.assertEquals("AkcwRAIgHx821fcP3D4R6RsXHF8kXza4d/SqpKGaGu++AEQjJz0CIH9cN5XGDkgkqqF9OMTbYvhgI7Yp9NoHXEgLstjqDOqDASECx/EgAxlkQpQ9hYjgGu6EBCPMVPwVIVJqO4XCsMvViHI=", signature);
} }