From dc1b369e08048f6c83242ab2f8e8ff358923de76 Mon Sep 17 00:00:00 2001
From: Omar <omarh.ismail1@gmail.com>
Date: Wed, 10 Jun 2026 19:55:47 +0200
Subject: [PATCH] fix: use buy-specific address for buy/sell flow and restrict
 lightning invoice generation to bitcoin wallets

---
 lib/src/screens/buy/buy_sell_page.dart           | 10 +++++-----
 lib/view_model/exchange/exchange_view_model.dart |  2 ++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/src/screens/buy/buy_sell_page.dart b/lib/src/screens/buy/buy_sell_page.dart
index 6d03445fb..73c238b57 100644
--- a/lib/src/screens/buy/buy_sell_page.dart
+++ b/lib/src/screens/buy/buy_sell_page.dart
@@ -325,7 +325,7 @@ class BuySellPage extends BasePage {
       }
     });
 
-    reaction((_) => buySellViewModel.wallet.walletAddresses.addressForExchange, (String address) {
+    reaction((_) => buySellViewModel.wallet.walletAddresses.addressForBuy, (String address) {
       if (buySellViewModel.cryptoCurrency == CryptoCurrency.xmr) {
         cryptoCurrencyKey.currentState!.changeAddress(address: address);
       }
@@ -359,7 +359,7 @@ class BuySellPage extends BasePage {
 
     key.currentState!.changeAddress(
         address:
-            isCurrentTypeWallet ? buySellViewModel.wallet.walletAddresses.addressForExchange : '');
+            isCurrentTypeWallet ? buySellViewModel.wallet.walletAddresses.addressForBuy : '');
 
     key.currentState!.changeAmount(amount: '');
   }
@@ -371,9 +371,9 @@ class BuySellPage extends BasePage {
     if (isCurrentTypeWallet) {
       key.currentState!.changeWalletName(buySellViewModel.wallet.name);
       key.currentState!.addressController.text =
-          buySellViewModel.wallet.walletAddresses.addressForExchange;
+          buySellViewModel.wallet.walletAddresses.addressForBuy;
     } else if (key.currentState!.addressController.text ==
-        buySellViewModel.wallet.walletAddresses.addressForExchange) {
+        buySellViewModel.wallet.walletAddresses.addressForBuy) {
       key.currentState!.changeWalletName('');
       key.currentState!.addressController.text = '';
     }
@@ -429,7 +429,7 @@ class BuySellPage extends BasePage {
         initialCurrency: buySellViewModel.cryptoCurrency,
         initialWalletName: '',
         initialAddress: buySellViewModel.cryptoCurrency == buySellViewModel.wallet.currency
-            ? buySellViewModel.wallet.walletAddresses.addressForExchange
+            ? buySellViewModel.wallet.walletAddresses.addressForBuy
             : buySellViewModel.cryptoCurrencyAddress,
         initialIsAmountEditable: true,
         isAmountEstimated: true,
diff --git a/lib/view_model/exchange/exchange_view_model.dart b/lib/view_model/exchange/exchange_view_model.dart
index 03d0ef4db..5fb896f53 100644
--- a/lib/view_model/exchange/exchange_view_model.dart
+++ b/lib/view_model/exchange/exchange_view_model.dart
@@ -1071,6 +1071,7 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
     }
 
     if (depositCurrency == CryptoCurrency.btcln &&
+        wallet.type == WalletType.bitcoin &&
         depositAddress == wallet.walletAddresses.addressForExchange) {
       final invoice = await bitcoin!.getLightningInvoice(wallet, BigInt.zero);
       if (invoice != null) {
@@ -1079,6 +1080,7 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
     }
 
     if (receiveCurrency == CryptoCurrency.btcln &&
+        wallet.type == WalletType.bitcoin &&
         receiveAddress == wallet.walletAddresses.addressForExchange) {
       final invoice = await bitcoin!.getLightningInvoice(wallet, BigInt.zero);
       if (invoice != null) {