Fix deleteWallet

app/lib/providers/wallets_provider.dart

@@ -1,3 +1,4 @@
+import 'package:mutex/mutex.dart';
 import 'package:threebotlogin/helpers/globals.dart';
 import 'package:threebotlogin/models/wallet.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
@@ -11,36 +12,42 @@ class WalletsNotifier extends StateNotifier<List<Wallet>> {
 
   bool _reload = true;
   bool _loading = true;
+  final Mutex _mutex = Mutex();
+
   Future<void> list() async {
     _loading = true;
     state = await listWallets();
     _loading = false;
   }
 
-  void removeWallet(String name) {
-    state = state.where((wallet) => wallet.name != name).toList();
+  Future<void> removeWallet(String name) async {
+    await _mutex.protect(() async {
+      state = state.where((wallet) => wallet.name != name).toList();
+    });
   }
 
   void reloadBalances() async {
     if (!_reload) return await TFChainService.disconnect();
     if (!_loading) {
       final chainUrl = Globals().chainUrl;
+      await _mutex.protect(() async {
       final List<Wallet> currentState = state.where((w) => true).toList();
-      for (final wallet in currentState) {
-        final balance =
-            await TFChainService.getBalance(chainUrl, wallet.tfchainAddress);
-        final tfchainBalance =
-            balance.toString() == '0.0' ? '0' : balance.toString();
-        final stellarBalance =
-            await StellarService.getBalance(wallet.stellarSecret);
+        for (final wallet in currentState) {
+          final balance =
+              await TFChainService.getBalance(chainUrl, wallet.tfchainAddress);
+          final tfchainBalance =
+              balance.toString() == '0.0' ? '0' : balance.toString();
+          final stellarBalance =
+              await StellarService.getBalance(wallet.stellarSecret);
 
-        if (tfchainBalance != wallet.tfchainBalance ||
-            stellarBalance != wallet.stellarBalance) {
-          wallet.stellarBalance = stellarBalance;
-          wallet.tfchainBalance = tfchainBalance;
+          if (tfchainBalance != wallet.tfchainBalance ||
+              stellarBalance != wallet.stellarBalance) {
+            wallet.stellarBalance = stellarBalance;
+            wallet.tfchainBalance = tfchainBalance;
+          }
         }
-      }
-      state = currentState;
+        state = currentState;
+      });
     }
     final refreshBalance = Globals().refreshBalance;
     await Future.delayed(Duration(seconds: refreshBalance));

app/pubspec.lock

@@ -898,6 +898,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.1+beta.0"
+  mutex:
+    dependency: "direct main"
+    description:
+      name: mutex
+      sha256: "8827da25de792088eb33e572115a5eb0d61d61a3c01acbc8bcbe76ed78f1a1f2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0"
   nested:
     dependency: transitive
     description:

app/pubspec.yaml

@@ -77,6 +77,7 @@ dependencies:
   stellar_flutter_sdk: ^1.8.9
   flutter_launcher_icons: ^0.14.1
   logger: ^2.4.0
+  mutex: ^3.1.0
 dev_dependencies:
   flutter_test:
     sdk: flutter