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fix handling of output descriptors without key origin derivation paths, and require master fingerprints as per bip380

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This commit is contained in:
Craig Raw 2024-06-29 10:00:44 +02:00
parent 9808164a29
commit f3ee296280
1 changed files with 5 additions and 6 deletions
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11
src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java
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@ -25,7 +25,7 @@ public class OutputDescriptor {
private static final Pattern XPUB_PATTERN = Pattern.compile("(\\[[^\\]]+\\])?(.(?:pub|prv)[^/\\,)]{100,112})(/[/\\d*'hH<>;]+)?"); private static final Pattern XPUB_PATTERN = Pattern.compile("(\\[[^\\]]+\\])?(.(?:pub|prv)[^/\\,)]{100,112})(/[/\\d*'hH<>;]+)?");
private static final Pattern PUBKEY_PATTERN = Pattern.compile("(\\[[^\\]]+\\])?(0[23][0-9a-fA-F]{32})"); private static final Pattern PUBKEY_PATTERN = Pattern.compile("(\\[[^\\]]+\\])?(0[23][0-9a-fA-F]{32})");
private static final Pattern MULTI_PATTERN = Pattern.compile("multi\\((\\d+)"); private static final Pattern MULTI_PATTERN = Pattern.compile("multi\\((\\d+)");
private static final Pattern KEY_ORIGIN_PATTERN = Pattern.compile("\\[([A-Fa-f0-9]{8})?([/\\d'hH]+)\\]"); private static final Pattern KEY_ORIGIN_PATTERN = Pattern.compile("\\[([A-Fa-f0-9]{8})([/\\d'hH]+)?\\]");
private static final Pattern MULTIPATH_PATTERN = Pattern.compile("<([\\d*'hH;]+)>"); private static final Pattern MULTIPATH_PATTERN = Pattern.compile("<([\\d*'hH;]+)>");
private static final Pattern CHECKSUM_PATTERN = Pattern.compile("#([" + CHECKSUM_CHARSET + "]{8})$"); private static final Pattern CHECKSUM_PATTERN = Pattern.compile("#([" + CHECKSUM_CHARSET + "]{8})$");
@ -624,13 +624,12 @@ public class OutputDescriptor {
public static String writeKey(ExtendedKey pubKey, KeyDerivation keyDerivation, String childDerivation, boolean addKeyOrigin, boolean addKey) { public static String writeKey(ExtendedKey pubKey, KeyDerivation keyDerivation, String childDerivation, boolean addKeyOrigin, boolean addKey) {
StringBuilder keyBuilder = new StringBuilder(); StringBuilder keyBuilder = new StringBuilder();
if(keyDerivation != null && keyDerivation.getDerivationPath() != null && addKeyOrigin) { if(keyDerivation != null && keyDerivation.getMasterFingerprint() != null && keyDerivation.getMasterFingerprint().length() == 8 && Utils.isHex(keyDerivation.getMasterFingerprint()) && addKeyOrigin) {
keyBuilder.append("["); keyBuilder.append("[");
if(keyDerivation.getMasterFingerprint() != null) { keyBuilder.append(keyDerivation.getMasterFingerprint());
keyBuilder.append(keyDerivation.getMasterFingerprint()); if(!keyDerivation.getDerivation().isEmpty()) {
keyBuilder.append("/"); keyBuilder.append(keyDerivation.getDerivationPath().replaceFirst("^m?/", "/").replace('\'', 'h'));
} }
keyBuilder.append(keyDerivation.getDerivationPath().replaceFirst("^m?/", "").replace('\'', 'h'));
keyBuilder.append("]"); keyBuilder.append("]");
} }