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support parsing descriptors with labels and writing hd key info

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This commit is contained in:
Craig Raw 2024-01-10 11:02:27 +02:00
parent 6f90d0fa82
commit 78944a7114
1 changed files with 13 additions and 5 deletions
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18
src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java
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@ -362,6 +362,10 @@ public class OutputDescriptor {
// See https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md
public static OutputDescriptor getOutputDescriptor(String descriptor) {
return getOutputDescriptor(descriptor, new LinkedHashMap<>());
}
public static OutputDescriptor getOutputDescriptor(String descriptor, Map<ExtendedKey, String> mapExtendedPublicKeyLabels) {
ScriptType scriptType = ScriptType.fromDescriptor(descriptor);
if(scriptType == null) {
ExtendedKey.Header header = ExtendedKey.Header.fromExtendedKey(descriptor);
@ -373,7 +377,7 @@ public class OutputDescriptor {
}
int threshold = getMultisigThreshold(descriptor);
return getOutputDescriptorImpl(scriptType, threshold, descriptor);
return getOutputDescriptorImpl(scriptType, threshold, descriptor, mapExtendedPublicKeyLabels);
}
private static int getMultisigThreshold(String descriptor) {
@ -386,7 +390,7 @@ public class OutputDescriptor {
}
}
private static OutputDescriptor getOutputDescriptorImpl(ScriptType scriptType, int multisigThreshold, String descriptor) {
private static OutputDescriptor getOutputDescriptorImpl(ScriptType scriptType, int multisigThreshold, String descriptor, Map<ExtendedKey, String> mapExtendedPublicKeyLabels) {
Matcher checksumMatcher = CHECKSUM_PATTERN.matcher(descriptor);
if(checksumMatcher.find()) {
String checksum = checksumMatcher.group(1);
@ -453,7 +457,7 @@ public class OutputDescriptor {
}
}
return new OutputDescriptor(scriptType, multisigThreshold, keyDerivationMap, keyChildDerivationMap, new LinkedHashMap<>(), masterPrivateKeyMap);
return new OutputDescriptor(scriptType, multisigThreshold, keyDerivationMap, keyChildDerivationMap, mapExtendedPublicKeyLabels, masterPrivateKeyMap);
}
public static String normalize(String descriptor) {
@ -613,8 +617,13 @@ public class OutputDescriptor {
}
private String toString(ExtendedKey pubKey, boolean addKeyOrigin, boolean addKey) {
StringBuilder keyBuilder = new StringBuilder();
KeyDerivation keyDerivation = extendedPublicKeys.get(pubKey);
String childDerivation = mapChildrenDerivations.get(pubKey);
return writeKey(pubKey, keyDerivation, childDerivation, addKeyOrigin, addKey);
}
public static String writeKey(ExtendedKey pubKey, KeyDerivation keyDerivation, String childDerivation, boolean addKeyOrigin, boolean addKey) {
StringBuilder keyBuilder = new StringBuilder();
if(keyDerivation != null && keyDerivation.getDerivationPath() != null && addKeyOrigin) {
keyBuilder.append("[");
if(keyDerivation.getMasterFingerprint() != null) {
@ -630,7 +639,6 @@ public class OutputDescriptor {
keyBuilder.append(pubKey.toString());
}
String childDerivation = mapChildrenDerivations.get(pubKey);
if(childDerivation != null) {
if(!childDerivation.startsWith("/")) {
keyBuilder.append("/");