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support reading revised ur tags including v3 output descriptors

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This commit is contained in:
Craig Raw
2024-01-10 11:05:03 +02:00
parent 20df1dbd8b
commit 2b8a513adf
3 changed files with 69 additions and 2 deletions
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src/main/java/com/sparrowwallet/sparrow/control/QRScanDialog.java
+67
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@@ -442,6 +442,39 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
CryptoBip39 cryptoBip39 = (CryptoBip39)ur.decodeFromRegistry();
DeterministicSeed seed = getSeed(cryptoBip39);
return new Result(seed);
} else if(urRegistryType.equals(RegistryType.PSBT)) {
URPSBT urPSBT = (URPSBT)ur.decodeFromRegistry();
try {
PSBT psbt = new PSBT(urPSBT.getPsbt(), false);
return new Result(psbt);
} catch(Exception e) {
log.error("Error parsing PSBT from UR type " + urRegistryType, e);
return new Result(new URException("Error parsing PSBT from UR type " + urRegistryType, e));
}
} else if(urRegistryType.equals(RegistryType.ADDRESS)) {
URAddress urAddress = (URAddress)ur.decodeFromRegistry();
Address address = getAddress(urAddress);
if(address != null) {
return new Result(BitcoinURI.fromAddress(address));
} else {
return new Result(new URException("Unknown " + urRegistryType + " type of " + urAddress.getType()));
}
} else if(urRegistryType.equals(RegistryType.HDKEY)) {
URHDKey urHDKey = (URHDKey)ur.decodeFromRegistry();
ExtendedKey extendedKey = getExtendedKey(urHDKey);
return new Result(extendedKey, urHDKey.getName());
} else if(urRegistryType.equals(RegistryType.OUTPUT_DESCRIPTOR)) {
UROutputDescriptor urOutputDescriptor = (UROutputDescriptor)ur.decodeFromRegistry();
OutputDescriptor outputDescriptor = getOutputDescriptor(urOutputDescriptor);
return new Result(outputDescriptor);
} else if(urRegistryType.equals(RegistryType.ACCOUNT_DESCRIPTOR)) {
URAccountDescriptor urAccountDescriptor = (URAccountDescriptor)ur.decodeFromRegistry();
List<Wallet> wallets = getWallets(urAccountDescriptor);
return new Result(wallets);
} else if(urRegistryType.equals(RegistryType.SEED)) {
URSeed urSeed = (URSeed)ur.decodeFromRegistry();
DeterministicSeed seed = getSeed(urSeed);
return new Result(seed);
} else {
log.error("Unsupported UR type " + urRegistryType);
return new Result(new URException("UR type " + urRegistryType + " is not supported"));
@@ -584,6 +617,40 @@ public class QRScanDialog extends Dialog<QRScanDialog.Result> {
private DeterministicSeed getSeed(CryptoBip39 cryptoBip39) {
return new DeterministicSeed(cryptoBip39.getWords(), null, System.currentTimeMillis(), DeterministicSeed.Type.BIP39);
}
private OutputDescriptor getOutputDescriptor(UROutputDescriptor urOutputDescriptor) {
String source = urOutputDescriptor.getSource();
List<RegistryItem> keys = urOutputDescriptor.getKeys();
Map<ExtendedKey, String> mapExtendedPublicKeyLabels = new LinkedHashMap<>();
for(int i = 0; i < keys.size(); i++) {
RegistryItem key = keys.get(i);
if(key instanceof URHDKey urhdKey) {
ExtendedKey extendedKey = getExtendedKey(urhdKey);
KeyDerivation keyDerivation = getKeyDerivation(urhdKey.getOrigin());
source = source.replaceAll("@" + i, OutputDescriptor.writeKey(extendedKey, keyDerivation, null, true, true));
if(urhdKey.getName() != null) {
mapExtendedPublicKeyLabels.put(extendedKey, urhdKey.getName());
}
} else {
throw new IllegalArgumentException("Only extended HD keys are supported in output descriptors");
}
}
return OutputDescriptor.getOutputDescriptor(source, mapExtendedPublicKeyLabels);
}
private List<Wallet> getWallets(URAccountDescriptor urAccountDescriptor) {
List<Wallet> wallets = new ArrayList<>();
String masterFingerprint = Utils.bytesToHex(urAccountDescriptor.getMasterFingerprint());
for(UROutputDescriptor urOutputDescriptor : urAccountDescriptor.getOutputDescriptors()) {
OutputDescriptor outputDescriptor = getOutputDescriptor(urOutputDescriptor);
Wallet wallet = outputDescriptor.toKeystoreWallet(masterFingerprint);
wallets.add(wallet);
}
return wallets;
}
}
private class QRScanListener implements WebcamListener {