From 8e147967adda0ec9c33787a252374933fcf245e3 Mon Sep 17 00:00:00 2001
From: Konstantin Ullrich <konstantinullrich12@gmail.com>
Date: Thu, 5 Jun 2025 11:40:17 +0200
Subject: [PATCH] fix: master fingerprint default in create bitcoin transaction

---
 cw_bitcoin/lib/bitcoin_wallet.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cw_bitcoin/lib/bitcoin_wallet.dart b/cw_bitcoin/lib/bitcoin_wallet.dart
index ac59197f6..609276c95 100644
--- a/cw_bitcoin/lib/bitcoin_wallet.dart
+++ b/cw_bitcoin/lib/bitcoin_wallet.dart
@@ -374,7 +374,7 @@ abstract class BitcoinWalletBase extends ElectrumWallet with Store {
         outputOrdering: BitcoinOrdering.none,
         enableRBF: true,
         publicKeys: tx.publicKeys!,
-        masterFingerprint: Uint8List(0));
+        masterFingerprint: Uint8List.fromList([0, 0, 0, 0]));
 
     if (tx.shouldCommitUR()) {
      tx.unsignedPsbt = transaction.asPsbtV0();