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fix computation of master fingerprint for satochip

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This commit is contained in:
Craig Raw
2023-11-07 11:58:18 +02:00
parent f4ac18c3e1
commit 910a400b18
1 changed files with 3 additions and 1 deletions
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src/main/java/com/sparrowwallet/sparrow/io/satochip/SatoCardApi.java
+3 -1
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@@ -139,7 +139,9 @@ public class SatoCardApi extends CardApi {
ExtendedKey.Header xtype = Network.get().getXpubHeader();
String xpub = this.cardProtocol.cardBip32GetXpub(keyDerivationString, xtype);
ExtendedKey extendedKey = ExtendedKey.fromDescriptor(xpub);
String masterFingerprint = Utils.bytesToHex(extendedKey.getKey().getFingerprint());
String masterXpub = this.cardProtocol.cardBip32GetXpub("m", xtype);
ExtendedKey masterExtendedKey = ExtendedKey.fromDescriptor(masterXpub);
String masterFingerprint = Utils.bytesToHex(masterExtendedKey.getKey().getFingerprint());
KeyDerivation keyDerivation = new KeyDerivation(masterFingerprint, keyDerivationString);
Keystore keystore = new Keystore();