From 6e9d76e457cac6be12ef4a122242cdc8876c81fd Mon Sep 17 00:00:00 2001
From: Konstantin Ullrich <konstantinullrich12@gmail.com>
Date: Tue, 23 Dec 2025 02:29:30 +0100
Subject: [PATCH] fix: prevent RBF for Silent Payment addresses in Bitcoin
 transactions (#2760)

---
 lib/view_model/transaction_details_view_model.dart | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/view_model/transaction_details_view_model.dart b/lib/view_model/transaction_details_view_model.dart
index 810d08c16..20736952e 100644
--- a/lib/view_model/transaction_details_view_model.dart
+++ b/lib/view_model/transaction_details_view_model.dart
@@ -1,3 +1,4 @@
+import 'package:cake_wallet/core/address_validator.dart';
 import 'package:cake_wallet/tron/tron.dart';
 import 'package:cake_wallet/wownero/wownero.dart';
 import 'package:cw_core/currency_for_wallet_type.dart';
@@ -947,6 +948,16 @@ abstract class TransactionDetailsViewModelBase with Store {
   Future<void> _checkForRBF(TransactionInfo tx) async {
     if (wallet.type == WalletType.bitcoin &&
         transactionInfo.direction == TransactionDirection.outgoing) {
+      final descriptionKey = '${transactionInfo.txHash}_${wallet.walletAddresses.primaryAddress}';
+      final description = transactionDescriptionBox.values
+          .firstWhereOrNull((val) => val.id == descriptionKey || val.id == transactionInfo.txHash);
+
+      if (RegExp(AddressValidator.silentPaymentAddressPatternMainnet)
+          .hasMatch(description?.recipientAddress ?? "")) {
+        canReplaceByFee = false;
+        return;
+      }
+
       rawTransaction = await bitcoin!.canReplaceByFee(wallet, tx);
       if (rawTransaction != null) {
         canReplaceByFee = true;