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parse output descriptors with missing fingerprints in key origin information

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This commit is contained in:
Craig Raw 2024-04-19 09:59:36 +02:00
parent 7584bcf260
commit 3a2344f129
1 changed files with 2 additions and 2 deletions
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4
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 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 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 CHECKSUM_PATTERN = Pattern.compile("#([" + CHECKSUM_CHARSET + "]{8})$");
@ -414,7 +414,7 @@ public class OutputDescriptor {
String keyOrigin = matcher.group(1);
Matcher keyOriginMatcher = KEY_ORIGIN_PATTERN.matcher(keyOrigin);
if(keyOriginMatcher.matches()) {
byte[] masterFingerprintBytes = Utils.hexToBytes(keyOriginMatcher.group(1));
byte[] masterFingerprintBytes = keyOriginMatcher.group(1) != null ? Utils.hexToBytes(keyOriginMatcher.group(1)) : new byte[4];
if(masterFingerprintBytes.length != 4) {
throw new IllegalArgumentException("Master fingerprint must be 4 bytes: " + Utils.bytesToHex(masterFingerprintBytes));
}