From b1e5d1503e40effe58b5cf92b38d6fa7b18f2200 Mon Sep 17 00:00:00 2001
From: Omar Hatem <omarh.ismail1@gmail.com>
Date: Fri, 28 Mar 2025 16:17:38 +0200
Subject: [PATCH] Better handle backup errors (#2132)

---
 lib/core/backup_service_v3.dart                  |  2 +-
 .../restore_from_backup_view_model.dart          | 16 ++++++++++++----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/lib/core/backup_service_v3.dart b/lib/core/backup_service_v3.dart
index 5f5e77b00..76798aa64 100644
--- a/lib/core/backup_service_v3.dart
+++ b/lib/core/backup_service_v3.dart
@@ -198,7 +198,7 @@ class BackupServiceV3 extends $BackupService {
     final version = getVersionFile(file);
     switch (version) {
       case BackupVersion.unknown:
-        throw Exception('Invalid backup file: unknown version');
+        throw Exception('unknown_backup_version');
       case BackupVersion.v1:
         final data = file.readAsBytesSync();
         final backupBytes = data.toList()..removeAt(0);
diff --git a/lib/view_model/restore_from_backup_view_model.dart b/lib/view_model/restore_from_backup_view_model.dart
index 1c3dc5048..a74beeaea 100644
--- a/lib/view_model/restore_from_backup_view_model.dart
+++ b/lib/view_model/restore_from_backup_view_model.dart
@@ -7,7 +7,6 @@ import 'package:hive/hive.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/main.dart';
 import 'package:cake_wallet/di.dart';
-import 'package:cake_wallet/core/backup_service.dart';
 import 'package:cw_core/node.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/authentication_store.dart';
@@ -44,13 +43,22 @@ abstract class RestoreFromBackupViewModelBase with Store {
 
       final file = File(filePath);
 
-      
-      await backupService.importBackupFile(file, password);
+      try {
+        await backupService.importBackupFile(file, password);
+      } catch (e, s) {
+        if (e.toString().contains("unknown_backup_version")) {
+          state = FailureState('This is not a valid backup file, please make sure you selected the correct backup file');
+        } else {
+          state = FailureState('Failed to restore backup, please try again');
+          ExceptionHandler.onError(FlutterErrorDetails(exception: e, stack: s, silent: true));
+        }
+      }
 
       try {
         await initializeAppAtRoot(reInitializing: true);
       } catch (e, s) {
-        throw Exception('failed_app_initialization: $e $s');
+        state = FailureState('Failed app initialization, please try again');
+        ExceptionHandler.onError(FlutterErrorDetails(exception: e, stack: s, silent: true));
       }
 
       final store = getIt.get<AppStore>();