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add child key support to from wallet creation, add option to hide key origin

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This commit is contained in:
Craig Raw 2020-12-17 08:33:48 +02:00
parent 0567409742
commit 68f7c6850e
1 changed files with 17 additions and 5 deletions
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28
src/main/java/com/sparrowwallet/drongo/OutputDescriptor.java
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@ -252,12 +252,20 @@ public class OutputDescriptor {
}
public static OutputDescriptor getOutputDescriptor(Wallet wallet) {
Map<ExtendedKey, KeyDerivation> extendedKeyDerivationMap = new LinkedHashMap<>();
for(Keystore keystore : wallet.getKeystores()) {
extendedKeyDerivationMap.put(keystore.getExtendedPublicKey(), keystore.getKeyDerivation());
return getOutputDescriptor(wallet, null);
}
return new OutputDescriptor(wallet.getScriptType(), wallet.getDefaultPolicy().getNumSignaturesRequired(), extendedKeyDerivationMap);
public static OutputDescriptor getOutputDescriptor(Wallet wallet, KeyPurpose keyPurpose) {
Map<ExtendedKey, KeyDerivation> extendedKeyDerivationMap = new LinkedHashMap<>();
Map<ExtendedKey, String> extendedKeyChildDerivationMap = new LinkedHashMap<>();
for(Keystore keystore : wallet.getKeystores()) {
extendedKeyDerivationMap.put(keystore.getExtendedPublicKey(), keystore.getKeyDerivation());
if(keyPurpose != null) {
extendedKeyChildDerivationMap.put(keystore.getExtendedPublicKey(), keyPurpose.getPathIndex().num() + "/*");
}
}
return new OutputDescriptor(wallet.getScriptType(), wallet.getDefaultPolicy().getNumSignaturesRequired(), extendedKeyDerivationMap, extendedKeyChildDerivationMap);
}
// See https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md
@ -404,6 +412,10 @@ public class OutputDescriptor {
}
public String toString(boolean addChecksum) {
return toString(true, addChecksum);
}
public String toString(boolean addKeyOrigin, boolean addChecksum) {
StringBuilder builder = new StringBuilder();
builder.append(scriptType.getDescriptor());
@ -412,14 +424,14 @@ public class OutputDescriptor {
StringJoiner joiner = new StringJoiner(",");
joiner.add(Integer.toString(multisigThreshold));
for(ExtendedKey pubKey : extendedPublicKeys.keySet()) {
String extKeyString = toString(pubKey);
String extKeyString = toString(pubKey, addKeyOrigin);
joiner.add(extKeyString);
}
builder.append(joiner.toString());
builder.append(ScriptType.MULTISIG.getCloseDescriptor());
} else {
ExtendedKey extendedPublicKey = getSingletonExtendedPublicKey();
builder.append(toString(extendedPublicKey));
builder.append(toString(extendedPublicKey, addKeyOrigin));
}
builder.append(scriptType.getCloseDescriptor());
@ -432,10 +444,10 @@ public class OutputDescriptor {
return builder.toString();
}
private String toString(ExtendedKey pubKey) {
private String toString(ExtendedKey pubKey, boolean addKeyOrigin) {
StringBuilder keyBuilder = new StringBuilder();
KeyDerivation keyDerivation = extendedPublicKeys.get(pubKey);
if(keyDerivation != null && keyDerivation.getDerivationPath() != null) {
if(keyDerivation != null && keyDerivation.getDerivationPath() != null && addKeyOrigin) {
keyBuilder.append("[");
if(keyDerivation.getMasterFingerprint() != null) {
keyBuilder.append(keyDerivation.getMasterFingerprint());