Backup stuff.

lib/core/backup_service.dart

@@ -14,128 +14,58 @@ import 'package:cake_wallet/entities/encrypt.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
 import 'package:cake_wallet/entities/secret_store_key.dart';
 import 'package:cake_wallet/entities/wallet_info.dart';
+import 'package:cake_wallet/.secrets.g.dart' as secrets;
 
 class BackupService {
-  BackupService(this._flutterSecureStorage, this._authService,
+  BackupService(this._flutterSecureStorage, this._walletInfoSource,
-      this._walletInfoSource, this._keyService, this._sharedPreferences)
+      this._keyService, this._sharedPreferences)
       : _cipher = chacha20Poly1305Aead;
 
+  static const currentVersion = _v1;
+
+  static const _v1 = 1;
+
   final Cipher _cipher;
   final FlutterSecureStorage _flutterSecureStorage;
   final SharedPreferences _sharedPreferences;
-  final AuthService _authService;
   final Box<WalletInfo> _walletInfoSource;
   final KeyService _keyService;
 
   Future<void> importBackup(Uint8List data, String password,
-      {@required String nonce}) async {
+      {String nonce = secrets.backupSalt}) async {
-    final appDir = await getApplicationDocumentsDirectory();
+    final version = getVersion(data);
-    final decryptedData = await _decrypt(data, password, nonce);
+    final backupBytes = data.toList()..removeAt(0);
-    final zip = ZipDecoder().decodeBytes(decryptedData);
+    final backupData = Uint8List.fromList(backupBytes);
 
-    zip.files.forEach((file) {
+    switch (version) {
-      final filename = file.name;
+      case _v1:
-
+        await _importBackupV1(backupData, password, nonce: nonce);
-      if (file.isFile) {
+        break;
-        final data = file.content as List<int>;
+      default:
-        File('${appDir.path}/' + filename)
+        break;
-          ..createSync(recursive: true)
-          ..writeAsBytesSync(data);
-      } else {
-        Directory('${appDir.path}/' + filename)..create(recursive: true);
-      }
-
-      print(filename);
-    });
-
-    await importKeychainDump(password, nonce: nonce);
-    await importPreferencesDump();
-  }
-
-  Future<void> importPreferencesDump() async {
-    final appDir = await getApplicationDocumentsDirectory();
-    final preferencesFile = File('${appDir.path}/~_preferences_dump');
-
-    if (!preferencesFile.existsSync()) {
-      return;
     }
-
-    final data =
-        json.decode(preferencesFile.readAsStringSync()) as Map<String, Object>;
-    print('data $data');
-
-    await _sharedPreferences.setString(PreferencesKey.currentWalletName,
-        data[PreferencesKey.currentWalletName] as String);
-    await _sharedPreferences.setInt(PreferencesKey.currentNodeIdKey,
-        data[PreferencesKey.currentNodeIdKey] as int);
-    await _sharedPreferences.setInt(PreferencesKey.currentBalanceDisplayModeKey,
-        data[PreferencesKey.currentBalanceDisplayModeKey] as int);
-    await _sharedPreferences.setInt(PreferencesKey.currentWalletType,
-        data[PreferencesKey.currentWalletType] as int);
-    await _sharedPreferences.setString(PreferencesKey.currentFiatCurrencyKey,
-        data[PreferencesKey.currentFiatCurrencyKey] as String);
-    await _sharedPreferences.setBool(
-        PreferencesKey.shouldSaveRecipientAddressKey,
-        data[PreferencesKey.shouldSaveRecipientAddressKey] as bool);
-    await _sharedPreferences.setInt(
-        PreferencesKey.currentTransactionPriorityKey,
-        data[PreferencesKey.currentTransactionPriorityKey] as int);
-    await _sharedPreferences.setBool(
-        PreferencesKey.allowBiometricalAuthenticationKey,
-        data[PreferencesKey.allowBiometricalAuthenticationKey] as bool);
-    await _sharedPreferences.setInt(
-        PreferencesKey.currentBitcoinElectrumSererIdKey,
-        data[PreferencesKey.currentBitcoinElectrumSererIdKey] as int);
-    await _sharedPreferences.setInt(PreferencesKey.currentLanguageCode,
-        data[PreferencesKey.currentLanguageCode] as int);
-    await _sharedPreferences.setInt(PreferencesKey.displayActionListModeKey,
-        data[PreferencesKey.displayActionListModeKey] as int);
-    await _sharedPreferences.setInt(
-        'current_theme', data['current_theme'] as int);
-
-    await preferencesFile.delete();
-  }
-
-  Future<void> importKeychainDump(String password,
-      {@required String nonce}) async {
-    final appDir = await getApplicationDocumentsDirectory();
-    final keychainDumpFile = File('${appDir.path}/~_keychain_dump');
-    final decryptedKeychainDumpFileData =
-        await _decrypt(keychainDumpFile.readAsBytesSync(), password, nonce);
-    final keychainJSON = json.decode(utf8.decode(decryptedKeychainDumpFileData))
-        as Map<String, dynamic>;
-    final keychainWalletsInfo = keychainJSON['wallets'] as List;
-    final decodedPin = keychainJSON['pin'] as String;
-    final pinCodeKey = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
-
-    keychainWalletsInfo.forEach((dynamic rawInfo) async {
-      final info = rawInfo as Map<String, dynamic>;
-      await importWalletKeychainInfo(info);
-    });
-
-    await _flutterSecureStorage.write(
-        key: pinCodeKey, value: encodedPinCode(pin: decodedPin));
-
-    keychainDumpFile.deleteSync();
-  }
-
-  Future<void> importWalletKeychainInfo(Map<String, dynamic> info) async {
-    final name = info['name'] as String;
-    final password = info['password'] as String;
-
-    await _keyService.saveWalletPassword(walletName: name, password: password);
   }
 
   Future<Uint8List> exportBackup(String password,
-      {@required String nonce}) async {
+      {String nonce = secrets.backupSalt, int version = currentVersion}) async {
+    switch (version) {
+      case _v1:
+        return await _exportBackupV1(password, nonce: nonce);
+      default:
+        return null;
+    }
+  }
+
+  Future<Uint8List> _exportBackupV1(String password,
+      {String nonce = secrets.backupSalt}) async {
     final zipEncoder = ZipFileEncoder();
     final appDir = await getApplicationDocumentsDirectory();
     final now = DateTime.now();
     final tmpDir = Directory('${appDir.path}/~_BACKUP_TMP');
     final archivePath = '${tmpDir.path}/backup_${now.toString()}.zip';
     final fileEntities = appDir.listSync(recursive: false);
-    final keychainDump = await exportKeychainDump(password, nonce: nonce);
+    final keychainDump = await _exportKeychainDump(password, nonce: nonce);
-    final preferencesDump = await exportPreferencesJSON();
+    final preferencesDump = await _exportPreferencesJSON();
     final preferencesDumpFile = File('${tmpDir.path}/~_preferences_dump_TMP');
     final keychainDumpFile = File('${tmpDir.path}/~_keychain_dump_TMP');
 
@@ -165,12 +95,120 @@ class BackupService {
 
     final content = File(archivePath).readAsBytesSync();
     tmpDir.deleteSync(recursive: true);
+    final encryptedData = await _encrypt(content, password, nonce);
 
-    return await _encrypt(content, password, nonce);
+    return setVersion(encryptedData, currentVersion);
   }
 
-  Future<Uint8List> exportKeychainDump(String password,
+  Future<void> _importBackupV1(Uint8List data, String password,
       {@required String nonce}) async {
+    final appDir = await getApplicationDocumentsDirectory();
+    final decryptedData = await _decrypt(data, password, nonce);
+    final zip = ZipDecoder().decodeBytes(decryptedData);
+
+    zip.files.forEach((file) {
+      final filename = file.name;
+
+      if (file.isFile) {
+        final content = file.content as List<int>;
+        File('${appDir.path}/' + filename)
+          ..createSync(recursive: true)
+          ..writeAsBytesSync(content);
+      } else {
+        Directory('${appDir.path}/' + filename)..create(recursive: true);
+      }
+    });
+
+    await _importKeychainDump(password, nonce: nonce);
+    await _importPreferencesDump();
+  }
+
+  Future<void> _importPreferencesDump() async {
+    final appDir = await getApplicationDocumentsDirectory();
+    final preferencesFile = File('${appDir.path}/~_preferences_dump');
+    const defaultSettingsMigrationVersionKey = PreferencesKey.currentDefaultSettingsMigrationVersion;
+
+    if (!preferencesFile.existsSync()) {
+      return;
+    }
+
+    final data =
+        json.decode(preferencesFile.readAsStringSync()) as Map<String, Object>;
+
+    await _sharedPreferences.setString(PreferencesKey.currentWalletName,
+        data[PreferencesKey.currentWalletName] as String);
+    await _sharedPreferences.setInt(PreferencesKey.currentNodeIdKey,
+        data[PreferencesKey.currentNodeIdKey] as int);
+    await _sharedPreferences.setInt(PreferencesKey.currentBalanceDisplayModeKey,
+        data[PreferencesKey.currentBalanceDisplayModeKey] as int);
+    await _sharedPreferences.setInt(PreferencesKey.currentWalletType,
+        data[PreferencesKey.currentWalletType] as int);
+    await _sharedPreferences.setString(PreferencesKey.currentFiatCurrencyKey,
+        data[PreferencesKey.currentFiatCurrencyKey] as String);
+    await _sharedPreferences.setBool(
+        PreferencesKey.shouldSaveRecipientAddressKey,
+        data[PreferencesKey.shouldSaveRecipientAddressKey] as bool);
+    await _sharedPreferences.setInt(
+        PreferencesKey.currentTransactionPriorityKey,
+        data[PreferencesKey.currentTransactionPriorityKey] as int);
+    await _sharedPreferences.setBool(
+        PreferencesKey.allowBiometricalAuthenticationKey,
+        data[PreferencesKey.allowBiometricalAuthenticationKey] as bool);
+    await _sharedPreferences.setInt(
+        PreferencesKey.currentBitcoinElectrumSererIdKey,
+        data[PreferencesKey.currentBitcoinElectrumSererIdKey] as int);
+    await _sharedPreferences.setInt(PreferencesKey.currentLanguageCode,
+        data[PreferencesKey.currentLanguageCode] as int);
+    await _sharedPreferences.setInt(PreferencesKey.displayActionListModeKey,
+        data[PreferencesKey.displayActionListModeKey] as int);
+    await _sharedPreferences.setInt(
+        'current_theme', data['current_theme'] as int);
+    await _sharedPreferences.setInt(defaultSettingsMigrationVersionKey,
+        data[defaultSettingsMigrationVersionKey] as int);
+
+    await preferencesFile.delete();
+  }
+
+  Future<void> _importKeychainDump(String password,
+      {@required String nonce,
+      String keychainSalt = secrets.backupKeychainSalt}) async {
+    final appDir = await getApplicationDocumentsDirectory();
+    final keychainDumpFile = File('${appDir.path}/~_keychain_dump');
+    final decryptedKeychainDumpFileData = await _decrypt(
+        keychainDumpFile.readAsBytesSync(), '$keychainSalt$password', nonce);
+    final keychainJSON = json.decode(utf8.decode(decryptedKeychainDumpFileData))
+        as Map<String, dynamic>;
+    final keychainWalletsInfo = keychainJSON['wallets'] as List;
+    final decodedPin = keychainJSON['pin'] as String;
+    final pinCodeKey = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
+    final backupPasswordKey =
+        generateStoreKeyFor(key: SecretStoreKey.backupPassword);
+    final backupPassword = keychainJSON[backupPasswordKey] as String;
+
+    await _flutterSecureStorage.write(
+        key: backupPasswordKey, value: backupPassword);
+
+    keychainWalletsInfo.forEach((dynamic rawInfo) async {
+      final info = rawInfo as Map<String, dynamic>;
+      await importWalletKeychainInfo(info);
+    });
+
+    await _flutterSecureStorage.write(
+        key: pinCodeKey, value: encodedPinCode(pin: decodedPin));
+
+    keychainDumpFile.deleteSync();
+  }
+
+  Future<void> importWalletKeychainInfo(Map<String, dynamic> info) async {
+    final name = info['name'] as String;
+    final password = info['password'] as String;
+
+    await _keyService.saveWalletPassword(walletName: name, password: password);
+  }
+
+  Future<Uint8List> _exportKeychainDump(String password,
+      {@required String nonce,
+      String keychainSalt = secrets.backupKeychainSalt}) async {
     final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
     final encodedPin = await _flutterSecureStorage.read(key: key);
     final decodedPin = decodedPinCode(pin: encodedPin);
@@ -183,15 +221,25 @@ class BackupService {
             await _keyService.getWalletPassword(walletName: walletInfo.name)
       };
     }));
-
+    final backupPasswordKey =
-    final data =
+        generateStoreKeyFor(key: SecretStoreKey.backupPassword);
-        utf8.encode(json.encode({'pin': decodedPin, 'wallets': wallets}));
+    final backupPassword =
-    final encrypted = await _encrypt(Uint8List.fromList(data), password, nonce);
+        await _flutterSecureStorage.read(key: backupPasswordKey);
+    final data = utf8.encode(json.encode({
+      'pin': decodedPin,
+      'wallets': wallets,
+      backupPasswordKey: backupPassword
+    }));
+    final encrypted = await _encrypt(
+        Uint8List.fromList(data), '$keychainSalt$password', nonce);
 
     return encrypted;
   }
 
-  Future<String> exportPreferencesJSON() async {
+  Future<String> _exportPreferencesJSON() async {
+    const defaultSettingsMigrationVersionKey =
+        'current_default_settings_migration_version';
+
     final preferences = <String, Object>{
       PreferencesKey.currentWalletName:
           _sharedPreferences.getString(PreferencesKey.currentWalletName),
@@ -219,13 +267,22 @@ class BackupService {
           _sharedPreferences.getString(PreferencesKey.currentLanguageCode),
       PreferencesKey.displayActionListModeKey:
           _sharedPreferences.getInt(PreferencesKey.displayActionListModeKey),
-      PreferencesKey.currentTheme: _sharedPreferences.getInt(PreferencesKey.currentTheme)
+      PreferencesKey.currentTheme:
-      // FIX-ME: Unnamed constant.
+          _sharedPreferences.getInt(PreferencesKey.currentTheme),
+      defaultSettingsMigrationVersionKey:
+          _sharedPreferences.getInt(defaultSettingsMigrationVersionKey)
     };
 
     return json.encode(preferences);
   }
 
+  int getVersion(Uint8List data) => data.toList().first;
+
+  Uint8List setVersion(Uint8List data, int version) {
+    final bytes = data.toList()..insert(0, version);
+    return Uint8List.fromList(bytes);
+  }
+
   Future<Uint8List> _encrypt(
       Uint8List data, String secretKeySource, String nonceBase64) async {
     final secretKeyHash = await sha256.hash(utf8.encode(secretKeySource));

lib/di.dart

@@ -1,5 +1,5 @@
 import 'package:cake_wallet/bitcoin/bitcoin_wallet_service.dart';
-import 'package:cake_wallet/core/backup.dart';
+import 'package:cake_wallet/core/backup_service.dart';
 import 'package:cake_wallet/core/wallet_service.dart';
 import 'package:cake_wallet/entities/biometric_auth.dart';
 import 'package:cake_wallet/entities/contact_record.dart';
@@ -105,6 +105,15 @@ import 'package:cake_wallet/exchange/exchange_template.dart';
 
 final getIt = GetIt.instance;
 
+var _isSetupFinished = false;
+Box<WalletInfo> _walletInfoSource;
+Box<Node> _nodeSource;
+Box<Contact> _contactSource;
+Box<Trade> _tradesSource;
+Box<Template> _templates;
+Box<ExchangeTemplate> _exchangeTemplates;
+Box<TransactionDescription> _transactionDescriptionBox;
+
 Future setup(
     {Box<WalletInfo> walletInfoSource,
     Box<Node> nodeSource,
@@ -113,12 +122,26 @@ Future setup(
     Box<Template> templates,
     Box<ExchangeTemplate> exchangeTemplates,
     Box<TransactionDescription> transactionDescriptionBox}) async {
-  getIt.registerSingletonAsync<SharedPreferences>(
+  _walletInfoSource = walletInfoSource;
-      () => SharedPreferences.getInstance());
+  _nodeSource = nodeSource;
+  _contactSource = contactSource;
+  _tradesSource = tradesSource;
+  _templates = templates;
+  _exchangeTemplates = exchangeTemplates;
+  _transactionDescriptionBox = transactionDescriptionBox;
 
-  final settingsStore = await SettingsStoreBase.load(nodeSource: nodeSource);
+  if (!_isSetupFinished) {
+    getIt.registerSingletonAsync<SharedPreferences>(
+            () => SharedPreferences.getInstance());
+  }
 
-  getIt.registerSingleton<Box<Node>>(nodeSource);
+  final settingsStore = await SettingsStoreBase.load(nodeSource: _nodeSource);
+
+  if (_isSetupFinished) {
+    return;
+  }
+
+  getIt.registerFactory<Box<Node>>(() => _nodeSource);
 
   getIt.registerSingleton<FlutterSecureStorage>(FlutterSecureStorage());
   getIt.registerSingleton(AuthenticationStore());
@@ -131,14 +154,14 @@ Future setup(
       settingsStore: getIt.get<SettingsStore>(),
       nodeListStore: getIt.get<NodeListStore>()));
   getIt.registerSingleton<TradesStore>(TradesStore(
-      tradesSource: tradesSource, settingsStore: getIt.get<SettingsStore>()));
+      tradesSource: _tradesSource, settingsStore: getIt.get<SettingsStore>()));
   getIt.registerSingleton<TradeFilterStore>(TradeFilterStore());
   getIt.registerSingleton<TransactionFilterStore>(TransactionFilterStore());
   getIt.registerSingleton<FiatConversionStore>(FiatConversionStore());
   getIt.registerSingleton<SendTemplateStore>(
-      SendTemplateStore(templateSource: templates));
+      SendTemplateStore(templateSource: _templates));
   getIt.registerSingleton<ExchangeTemplateStore>(
-      ExchangeTemplateStore(templateSource: exchangeTemplates));
+      ExchangeTemplateStore(templateSource: _exchangeTemplates));
 
   final secretStore =
       await SecretStoreBase.load(getIt.get<FlutterSecureStorage>());
@@ -157,7 +180,7 @@ Future setup(
 
   getIt.registerFactoryParam<WalletNewVM, WalletType, void>((type, _) =>
       WalletNewVM(getIt.get<AppStore>(),
-          getIt.get<WalletCreationService>(param1: type), walletInfoSource,
+          getIt.get<WalletCreationService>(param1: type), _walletInfoSource,
           type: type));
 
   getIt
@@ -167,7 +190,7 @@ Future setup(
     final mnemonic = args[2] as String;
 
     return WalletRestorationFromSeedVM(getIt.get<AppStore>(),
-        getIt.get<WalletCreationService>(param1: type), walletInfoSource,
+        getIt.get<WalletCreationService>(param1: type), _walletInfoSource,
         type: type, language: language, seed: mnemonic);
   });
 
@@ -177,7 +200,7 @@ Future setup(
     final language = args[1] as String;
 
     return WalletRestorationFromKeysVM(getIt.get<AppStore>(),
-        getIt.get<WalletCreationService>(param1: type), walletInfoSource,
+        getIt.get<WalletCreationService>(param1: type), _walletInfoSource,
         type: type, language: language);
   });
 
@@ -262,7 +285,7 @@ Future setup(
       getIt.get<AppStore>().settingsStore,
       getIt.get<SendTemplateStore>(),
       getIt.get<FiatConversionStore>(),
-      transactionDescriptionBox));
+      _transactionDescriptionBox));
 
   getIt.registerFactory(
       () => SendPage(sendViewModel: getIt.get<SendViewModel>()));
@@ -271,7 +294,7 @@ Future setup(
       () => SendTemplatePage(sendViewModel: getIt.get<SendViewModel>()));
 
   getIt.registerFactory(() => WalletListViewModel(
-      walletInfoSource,
+      _walletInfoSource,
       getIt.get<AppStore>(),
       getIt.get<KeyService>(),
       getIt.get<WalletNewVM>(param1: WalletType.monero)));
@@ -342,10 +365,10 @@ Future setup(
 
   getIt.registerFactoryParam<ContactViewModel, ContactRecord, void>(
       (ContactRecord contact, _) =>
-          ContactViewModel(contactSource, contact: contact));
+          ContactViewModel(_contactSource, contact: contact));
 
   getIt.registerFactory(
-      () => ContactListViewModel(contactSource, walletInfoSource));
+      () => ContactListViewModel(_contactSource, _walletInfoSource));
 
   getIt.registerFactoryParam<ContactListPage, bool, void>(
       (bool isEditable, _) => ContactListPage(getIt.get<ContactListViewModel>(),
@@ -358,27 +381,27 @@ Future setup(
   getIt.registerFactory(() {
     final appStore = getIt.get<AppStore>();
     return NodeListViewModel(
-        nodeSource, appStore.wallet, appStore.settingsStore);
+        _nodeSource, appStore.wallet, appStore.settingsStore);
   });
 
   getIt.registerFactory(() => NodeListPage(getIt.get<NodeListViewModel>()));
 
   getIt.registerFactory(() =>
-      NodeCreateOrEditViewModel(nodeSource, getIt.get<AppStore>().wallet));
+      NodeCreateOrEditViewModel(_nodeSource, getIt.get<AppStore>().wallet));
 
   getIt.registerFactory(
       () => NodeCreateOrEditPage(getIt.get<NodeCreateOrEditViewModel>()));
 
   getIt.registerFactory(() => ExchangeViewModel(
       getIt.get<AppStore>().wallet,
-      tradesSource,
+      _tradesSource,
       getIt.get<ExchangeTemplateStore>(),
       getIt.get<TradesStore>(),
       getIt.get<AppStore>().settingsStore));
 
   getIt.registerFactory(() => ExchangeTradeViewModel(
       wallet: getIt.get<AppStore>().wallet,
-      trades: tradesSource,
+      trades: _tradesSource,
       tradesStore: getIt.get<TradesStore>(),
       sendViewModel: getIt.get<SendViewModel>()));
 
@@ -393,9 +416,9 @@ Future setup(
   getIt.registerFactory(
       () => ExchangeTemplatePage(getIt.get<ExchangeViewModel>()));
 
-  getIt.registerFactory(() => MoneroWalletService(walletInfoSource));
+  getIt.registerFactory(() => MoneroWalletService(_walletInfoSource));
 
-  getIt.registerFactory(() => BitcoinWalletService(walletInfoSource));
+  getIt.registerFactory(() => BitcoinWalletService(_walletInfoSource));
 
   getIt.registerFactoryParam<WalletService, WalletType, void>(
       (WalletType param1, __) {
@@ -428,7 +451,7 @@ Future setup(
 
   getIt.registerFactoryParam<WalletRestoreViewModel, WalletType, void>(
       (type, _) => WalletRestoreViewModel(getIt.get<AppStore>(),
-          getIt.get<WalletCreationService>(param1: type), walletInfoSource,
+          getIt.get<WalletCreationService>(param1: type), _walletInfoSource,
           type: type));
 
   getIt.registerFactoryParam<WalletRestorePage, WalletType, void>((type, _) =>
@@ -438,7 +461,7 @@ Future setup(
       .registerFactoryParam<TransactionDetailsViewModel, TransactionInfo, void>(
           (TransactionInfo transactionInfo, _) => TransactionDetailsViewModel(
               transactionInfo: transactionInfo,
-              transactionDescriptionBox: transactionDescriptionBox,
+              transactionDescriptionBox: _transactionDescriptionBox,
               settingsStore: getIt.get<SettingsStore>()));
 
   getIt.registerFactoryParam<TransactionDetailsPage, TransactionInfo, void>(
@@ -455,12 +478,11 @@ Future setup(
       (WalletType type, _) => PreSeedPage(type));
 
   getIt.registerFactoryParam<TradeDetailsViewModel, Trade, void>((trade, _) =>
-      TradeDetailsViewModel(tradeForDetails: trade, trades: tradesSource));
+      TradeDetailsViewModel(tradeForDetails: trade, trades: _tradesSource));
 
   getIt.registerFactory(() => BackupService(
       getIt.get<FlutterSecureStorage>(),
-      getIt.get<AuthService>(),
+      _walletInfoSource,
-      walletInfoSource,
       getIt.get<KeyService>(),
       getIt.get<SharedPreferences>()));
 
@@ -476,8 +498,7 @@ Future setup(
   getIt.registerFactory(
       () => EditBackupPasswordPage(getIt.get<EditBackupPasswordViewModel>()));
 
-  getIt.registerFactoryParam<RestoreOptionsPage, WalletType, void>(
+  getIt.registerFactory(() => RestoreOptionsPage());
-      (WalletType type, _) => RestoreOptionsPage(type: type));
 
   getIt.registerFactory(
       () => RestoreFromBackupViewModel(getIt.get<BackupService>()));
@@ -487,4 +508,6 @@ Future setup(
 
   getIt.registerFactoryParam<TradeDetailsPage, Trade, void>((Trade trade, _) =>
       TradeDetailsPage(getIt.get<TradeDetailsViewModel>(param1: trade)));
+
+  _isSetupFinished = true;
 }

lib/entities/contact.dart

@@ -5,11 +5,12 @@ import 'package:cake_wallet/utils/mobx.dart';
 
 part 'contact.g.dart';
 
-@HiveType(typeId: 0)
+@HiveType(typeId: Contact.typeId)
 class Contact extends HiveObject with Keyable {
   Contact({@required this.name, @required this.address, CryptoCurrency type})
       : raw = type?.raw;
 
+  static const typeId = 0;
   static const boxName = 'Contacts';
 
   @HiveField(0)

lib/entities/default_settings_migration.dart

@@ -1,9 +1,12 @@
 import 'dart:io' show File, Platform;
+import 'package:cake_wallet/core/generate_wallet_password.dart';
 import 'package:cake_wallet/core/key_service.dart';
 import 'package:cake_wallet/di.dart';
 import 'package:cake_wallet/entities/pathForWallet.dart';
+import 'package:cake_wallet/entities/secret_store_key.dart';
 import 'package:cake_wallet/monero/monero_wallet_service.dart';
 import 'package:flutter/foundation.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:hive/hive.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
@@ -17,10 +20,12 @@ import 'package:cake_wallet/entities/contact.dart';
 import 'package:cake_wallet/entities/fs_migration.dart';
 import 'package:cake_wallet/entities/wallet_info.dart';
 import 'package:cake_wallet/exchange/trade.dart';
+import 'package:encrypt/encrypt.dart' as encrypt;
 
 Future defaultSettingsMigration(
     {@required int version,
     @required SharedPreferences sharedPreferences,
+    @required FlutterSecureStorage secureStorage,
     @required Box<Node> nodes,
     @required Box<WalletInfo> walletInfoSource,
     @required Box<Trade> tradeSource,
@@ -29,9 +34,9 @@ Future defaultSettingsMigration(
     await ios_migrate_v1(walletInfoSource, tradeSource, contactSource);
   }
 
-  final currentVersion =
+  final currentVersion = sharedPreferences
-      sharedPreferences.getInt('current_default_settings_migration_version') ??
+          .getInt(PreferencesKey.currentDefaultSettingsMigrationVersion) ??
-          0;
+      0;
   if (currentVersion >= version) {
     return;
   }
@@ -85,6 +90,10 @@ Future defaultSettingsMigration(
           await updateDisplayModes(sharedPreferences);
           break;
 
+        case 9:
+          await generateBackupPassword(secureStorage);
+          break;
+
         default:
           break;
       }
@@ -230,5 +239,17 @@ Future<void> updateDisplayModes(SharedPreferences sharedPreferences) async {
   final currentBalanceDisplayMode =
       sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey);
   final balanceDisplayMode = currentBalanceDisplayMode < 2 ? 3 : 2;
-  await sharedPreferences.setInt(PreferencesKey.currentBalanceDisplayModeKey, balanceDisplayMode);
+  await sharedPreferences.setInt(
+      PreferencesKey.currentBalanceDisplayModeKey, balanceDisplayMode);
+}
+
+Future<void> generateBackupPassword(FlutterSecureStorage secureStorage) async {
+  final key = generateStoreKeyFor(key: SecretStoreKey.backupPassword);
+
+  if ((await secureStorage.read(key: key))?.isNotEmpty ?? false) {
+    return;
+  }
+
+  final password = encrypt.Key.fromSecureRandom(32).base16;
+  await secureStorage.write(key: key, value: password);
 }

lib/entities/node.dart

@@ -8,7 +8,7 @@ import 'package:cake_wallet/entities/digest_request.dart';
 
 part 'node.g.dart';
 
-@HiveType(typeId: 1)
+@HiveType(typeId: Node.typeId)
 class Node extends HiveObject with Keyable {
   Node(
       {@required this.uri,
@@ -26,6 +26,7 @@ class Node extends HiveObject with Keyable {
         typeRaw = map['typeRaw'] as int,
         useSSL = map['useSSL'] as bool;
 
+  static const typeId = 1;
   static const boxName = 'Nodes';
 
   @HiveField(0)

lib/entities/preferences_key.dart

@@ -14,4 +14,5 @@ class PreferencesKey {
   static const displayActionListModeKey = 'display_list_mode';
   static const currentPinLength = 'current_pin_length';
   static const currentLanguageCode = 'language_code';
+  static const currentDefaultSettingsMigrationVersion = 'current_default_settings_migration_version';
 }

lib/entities/template.dart

@@ -2,10 +2,11 @@ import 'package:hive/hive.dart';
 
 part 'template.g.dart';
 
-@HiveType(typeId: 6)
+@HiveType(typeId: Template.typeId)
 class Template extends HiveObject {
   Template({this.name, this.address, this.cryptoCurrency, this.amount});
 
+  static const typeId = 6;
   static const boxName = 'Template';
 
   @HiveField(0)

lib/entities/transaction_description.dart

@@ -2,10 +2,11 @@ import 'package:hive/hive.dart';
 
 part 'transaction_description.g.dart';
 
-@HiveType(typeId: 2)
+@HiveType(typeId: TransactionDescription.typeId)
 class TransactionDescription extends HiveObject {
   TransactionDescription({this.id, this.recipientAddress, this.transactionNote});
 
+  static const typeId = 2;
   static const boxName = 'TransactionDescriptions';
   static const boxKey = 'transactionDescriptionsBoxKey';
 

lib/entities/wallet_info.dart

@@ -4,7 +4,7 @@ import 'package:cake_wallet/entities/wallet_type.dart';
 
 part 'wallet_info.g.dart';
 
-@HiveType(typeId: 4)
+@HiveType(typeId: WalletInfo.typeId)
 class WalletInfo extends HiveObject {
   WalletInfo(this.id, this.name, this.type, this.isRecovery, this.restoreHeight,
       this.timestamp, this.dirPath, this.path, this.address);
@@ -23,6 +23,7 @@ class WalletInfo extends HiveObject {
         date.millisecondsSinceEpoch ?? 0, dirPath, path, address);
   }
 
+  static const typeId = 4;
   static const boxName = 'WalletInfo';
 
   @HiveField(0)

lib/entities/wallet_type.dart

@@ -4,8 +4,9 @@ import 'package:hive/hive.dart';
 part 'wallet_type.g.dart';
 
 const walletTypes = [WalletType.monero, WalletType.bitcoin];
+const walletTypeTypeId = 5;
 
-@HiveType(typeId: 5)
+@HiveType(typeId: walletTypeTypeId)
 enum WalletType {
   @HiveField(0)
   monero,

lib/exchange/exchange_template.dart

@@ -2,7 +2,7 @@ import 'package:hive/hive.dart';
 
 part 'exchange_template.g.dart';
 
-@HiveType(typeId: 7)
+@HiveType(typeId: ExchangeTemplate.typeId)
 class ExchangeTemplate extends HiveObject {
   ExchangeTemplate({
     this.amount,
@@ -13,6 +13,7 @@ class ExchangeTemplate extends HiveObject {
     this.receiveAddress
   });
 
+  static const typeId = 7;
   static const boxName = 'ExchangeTemplate';
 
   @HiveField(0)

lib/exchange/trade.dart

@@ -6,7 +6,7 @@ import 'package:cake_wallet/entities/format_amount.dart';
 
 part 'trade.g.dart';
 
-@HiveType(typeId: 3)
+@HiveType(typeId: Trade.typeId)
 class Trade extends HiveObject {
   Trade(
       {this.id,
@@ -27,6 +27,7 @@ class Trade extends HiveObject {
         toRaw = to?.raw,
         stateRaw = state?.raw;
 
+  static const typeId = 3;
   static const boxName = 'Trades';
   static const boxKey = 'tradesBoxKey';
 

lib/main.dart

@@ -1,7 +1,3 @@
-import 'package:cake_wallet/core/backup.dart';
-import 'package:cake_wallet/src/screens/backup/backup_page.dart';
-import 'package:cake_wallet/bitcoin/bitcoin_address_record.dart';
-import 'package:cake_wallet/themes/theme_base.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:hive/hive.dart';
@@ -12,6 +8,7 @@ import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:cw_monero/wallet.dart' as monero_wallet;
+import 'package:cake_wallet/themes/theme_base.dart';
 import 'package:cake_wallet/router.dart' as Router;
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -32,20 +29,46 @@ import 'package:cake_wallet/src/screens/root/root.dart';
 
 final navigatorKey = GlobalKey<NavigatorState>();
 
-void main() async {
+Future<void> main() async {
   try {
     WidgetsFlutterBinding.ensureInitialized();
 
     final appDir = await getApplicationDocumentsDirectory();
+    await Hive.close();
     Hive.init(appDir.path);
-    Hive.registerAdapter(ContactAdapter());
+
-    Hive.registerAdapter(NodeAdapter());
+    if (!Hive.isAdapterRegistered(Contact.typeId)) {
-    Hive.registerAdapter(TransactionDescriptionAdapter());
+      Hive.registerAdapter(ContactAdapter());
-    Hive.registerAdapter(TradeAdapter());
+    }
-    Hive.registerAdapter(WalletInfoAdapter());
+
-    Hive.registerAdapter(WalletTypeAdapter());
+    if (!Hive.isAdapterRegistered(Node.typeId)) {
-    Hive.registerAdapter(TemplateAdapter());
+      Hive.registerAdapter(NodeAdapter());
-    Hive.registerAdapter(ExchangeTemplateAdapter());
+    }
+
+    if (!Hive.isAdapterRegistered(TransactionDescription.typeId)) {
+      Hive.registerAdapter(TransactionDescriptionAdapter());
+    }
+
+    if (!Hive.isAdapterRegistered(Trade.typeId)) {
+      Hive.registerAdapter(TradeAdapter());
+    }
+
+    if (!Hive.isAdapterRegistered(WalletInfo.typeId)) {
+      Hive.registerAdapter(WalletInfoAdapter());
+    }
+
+    if (!Hive.isAdapterRegistered(walletTypeTypeId)) {
+      Hive.registerAdapter(WalletTypeAdapter());
+    }
+
+    if (!Hive.isAdapterRegistered(Template.typeId)) {
+      Hive.registerAdapter(TemplateAdapter());
+    }
+
+    if (!Hive.isAdapterRegistered(ExchangeTemplate.typeId)) {
+      Hive.registerAdapter(ExchangeTemplateAdapter());
+    }
+
     final secureStorage = FlutterSecureStorage();
     final transactionDescriptionsBoxKey = await getEncryptionKey(
         secureStorage: secureStorage, forKey: TransactionDescription.boxKey);
@@ -57,11 +80,11 @@ void main() async {
         TransactionDescription.boxName,
         encryptionKey: transactionDescriptionsBoxKey);
     final trades =
-    await Hive.openBox<Trade>(Trade.boxName, encryptionKey: tradesBoxKey);
+        await Hive.openBox<Trade>(Trade.boxName, encryptionKey: tradesBoxKey);
     final walletInfoSource = await Hive.openBox<WalletInfo>(WalletInfo.boxName);
     final templates = await Hive.openBox<Template>(Template.boxName);
     final exchangeTemplates =
-    await Hive.openBox<ExchangeTemplate>(ExchangeTemplate.boxName);
+        await Hive.openBox<ExchangeTemplate>(ExchangeTemplate.boxName);
     await initialSetup(
         sharedPreferences: await SharedPreferences.getInstance(),
         nodes: nodes,
@@ -72,7 +95,8 @@ void main() async {
         templates: templates,
         exchangeTemplates: exchangeTemplates,
         transactionDescriptions: transactionDescriptions,
-        initialMigrationVersion: 5);
+        secureStorage: secureStorage,
+        initialMigrationVersion: 9);
     runApp(App());
   } catch (e) {
     runApp(MaterialApp(
@@ -80,7 +104,7 @@ void main() async {
         home: Scaffold(
             body: Container(
                 margin:
-                EdgeInsets.only(top: 50, left: 20, right: 20, bottom: 20),
+                    EdgeInsets.only(top: 50, left: 20, right: 20, bottom: 20),
                 child: Text(
                   'Error:\n${e.toString()}',
                   style: TextStyle(fontSize: 22),
@@ -88,17 +112,20 @@ void main() async {
   }
 }
 
-Future<void> initialSetup({@required SharedPreferences sharedPreferences,
+Future<void> initialSetup(
-  @required Box<Node> nodes,
+    {@required SharedPreferences sharedPreferences,
-  @required Box<WalletInfo> walletInfoSource,
+    @required Box<Node> nodes,
-  @required Box<Contact> contactSource,
+    @required Box<WalletInfo> walletInfoSource,
-  @required Box<Trade> tradesSource,
+    @required Box<Contact> contactSource,
-  // @required FiatConvertationService fiatConvertationService,
+    @required Box<Trade> tradesSource,
-  @required Box<Template> templates,
+    // @required FiatConvertationService fiatConvertationService,
-  @required Box<ExchangeTemplate> exchangeTemplates,
+    @required Box<Template> templates,
-  @required Box<TransactionDescription> transactionDescriptions,
+    @required Box<ExchangeTemplate> exchangeTemplates,
-  int initialMigrationVersion = 6}) async {
+    @required Box<TransactionDescription> transactionDescriptions,
+    FlutterSecureStorage secureStorage,
+    int initialMigrationVersion = 9}) async {
   await defaultSettingsMigration(
+      secureStorage: secureStorage,
       version: initialMigrationVersion,
       sharedPreferences: sharedPreferences,
       walletInfoSource: walletInfoSource,
@@ -113,7 +140,7 @@ Future<void> initialSetup({@required SharedPreferences sharedPreferences,
       templates: templates,
       exchangeTemplates: exchangeTemplates,
       transactionDescriptionBox: transactionDescriptions);
-  bootstrap(navigatorKey);
+  await bootstrap(navigatorKey);
   monero_wallet.onStartup();
 }
 
@@ -125,16 +152,14 @@ class App extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final settingsStore = getIt
-        .get<AppStore>()
-        .settingsStore;
-    final statusBarColor = Colors.transparent;
-    final authenticationStore = getIt.get<AuthenticationStore>();
-    final initialRoute = authenticationStore.state == AuthenticationState.denied
-        ? Routes.disclaimer
-        : Routes.login;
-
     return Observer(builder: (BuildContext context) {
+      final settingsStore = getIt.get<AppStore>().settingsStore;
+      final statusBarColor = Colors.transparent;
+      final authenticationStore = getIt.get<AuthenticationStore>();
+      final initialRoute =
+          authenticationStore.state == AuthenticationState.denied
+              ? Routes.disclaimer
+              : Routes.login;
       final currentTheme = settingsStore.currentTheme;
       final statusBarBrightness = currentTheme.type == ThemeType.dark
           ? Brightness.light

lib/reactions/bootstrap.dart

@@ -19,14 +19,12 @@ Future<void> bootstrap(GlobalKey<NavigatorState> navigatorKey) async {
   final settingsStore = getIt.get<SettingsStore>();
   final fiatConversionStore = getIt.get<FiatConversionStore>();
 
-  if (authenticationStore.state == AuthenticationState.uninitialized) {
+  final currentWalletName = getIt
-    final currentWalletName = getIt
+      .get<SharedPreferences>()
-        .get<SharedPreferences>()
+      .getString(PreferencesKey.currentWalletName);
-        .getString(PreferencesKey.currentWalletName);
+  authenticationStore.state = currentWalletName == null
-    authenticationStore.state = currentWalletName == null
+      ? AuthenticationState.denied
-        ? AuthenticationState.denied
+      : AuthenticationState.installed;
-        : AuthenticationState.installed;
-  }
 
   startAuthenticationStateChange(authenticationStore, navigatorKey);
   startCurrentWalletChangeReaction(

lib/router.dart

@@ -106,9 +106,8 @@ Route<dynamic> createRoute(RouteSettings settings) {
               param2: false));
 
     case Routes.restoreOptions:
-      final type = settings.arguments as WalletType;
       return CupertinoPageRoute<void>(
-          builder: (_) => getIt.get<RestoreOptionsPage>(param1: type));
+          builder: (_) => getIt.get<RestoreOptionsPage>());
 
     case Routes.restoreWalletOptions:
       final type = WalletType.monero; //settings.arguments as WalletType;

lib/src/screens/backup/backup_page.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:esys_flutter_share/esys_flutter_share.dart';
+import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
@@ -34,7 +36,7 @@ class BackupPage extends BasePage {
         Center(
             child: Container(
                 padding: EdgeInsets.only(left: 20, right: 20),
-                height: 225,
+                height: 300,
                 child: Column(children: [
                   Text(
                     'Backup password:',
@@ -43,9 +45,21 @@ class BackupPage extends BasePage {
                   Padding(
                       padding: EdgeInsets.only(top: 20, bottom: 10),
                       child: Observer(
-                          builder: (_) => Text(
+                          builder: (_) => GestureDetector(
-                                backupViewModelBase.backupPassword,
+                                onTap: () {
-                                style: TextStyle(fontSize: 26),
+                                  Clipboard.setData(ClipboardData(
+                                      text:
+                                          backupViewModelBase.backupPassword));
+                                  showBar<void>(
+                                      context,
+                                      S.of(context).transaction_details_copied(
+                                          'Backup password'));
+                                },
+                                child: Text(
+                                  backupViewModelBase.backupPassword,
+                                  style: TextStyle(fontSize: 26),
+                                  textAlign: TextAlign.center,
+                                ),
                               ))),
                   Padding(
                       padding: EdgeInsets.all(20),

lib/src/screens/restore/restore_from_backup_page.dart

@@ -84,5 +84,6 @@ class RestoreFromBackupPage extends BasePage {
     }
 
     await restoreFromBackupViewModel.import(textEditingController.text);
+    textEditingController.text = '';
   }
 }

lib/src/screens/restore/restore_options_page.dart

@@ -1,4 +1,3 @@
-import 'package:cake_wallet/entities/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:flutter/cupertino.dart';
@@ -7,10 +6,9 @@ import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 
 class RestoreOptionsPage extends BasePage {
-  RestoreOptionsPage({@required this.type});
+  RestoreOptionsPage();
 
   static const _aspectRatioImage = 2.086;
-  final WalletType type;
 
   @override
   String get title => S.current.restore_restore_wallet;
@@ -21,33 +19,30 @@ class RestoreOptionsPage extends BasePage {
   @override
   Widget body(BuildContext context) {
     return Container(
-      width: double.infinity,
+        width: double.infinity,
-      height: double.infinity,
+        height: double.infinity,
-      padding: EdgeInsets.all(24),
+        padding: EdgeInsets.all(24),
-      child: SingleChildScrollView(
+        child: SingleChildScrollView(
-        child: Column(
+          child: Column(
-          children: <Widget>[
+            children: <Widget>[
-            RestoreButton(
+              RestoreButton(
-                onPressed: () =>
+                  onPressed: () =>
-                    Navigator.pushNamed(
+                      Navigator.pushNamed(context, Routes.restoreWalletOptionsFromWelcome),
-                        context, Routes.restoreWalletOptionsFromWelcome),
+                  image: imageSeedKeys,
-                image: imageSeedKeys,
+                  title: S.of(context).restore_title_from_seed_keys,
-                title: S.of(context).restore_title_from_seed_keys,
+                  description:
-                description: S.of(context).restore_description_from_seed_keys
+                      S.of(context).restore_description_from_seed_keys),
-            ),
+              Padding(
-            Padding(
+                padding: EdgeInsets.only(top: 24),
-              padding: EdgeInsets.only(top: 24),
+                child: RestoreButton(
-              child: RestoreButton(
+                    onPressed: () =>
-                  onPressed: () => Navigator.pushNamed(
+                        Navigator.pushNamed(context, Routes.restoreFromBackup),
-                      context, Routes.restoreFromBackup),
+                    image: imageBackup,
-                  image: imageBackup,
+                    title: S.of(context).restore_title_from_backup,
-                  title: S.of(context).restore_title_from_backup,
+                    description: S.of(context).restore_description_from_backup),
-                  description: S.of(context).restore_description_from_backup
+              )
-              ),
+            ],
-            )
+          ),
-          ],
+        ));
-        ),
-      )
-    );
   }
 }

lib/src/screens/welcome/welcome_page.dart

@@ -160,7 +160,7 @@ class WelcomePage extends BasePage {
                           child: PrimaryImageButton(
                               onPressed: () =>
                                   Navigator.pushNamed(context,
-                                      Routes.restoreWalletOptionsFromWelcome),
+                                      Routes.restoreOptions),
                               image: restoreWalletImage,
                               text: S
                                   .of(context)

lib/src/widgets/trail_button.dart

@@ -18,7 +18,7 @@ class TrailButton extends StatelessWidget {
             caption,
             style: TextStyle(
                 color:
-                    Theme.of(context).accentTextTheme.display4.decorationColor,
+                    Theme.of(context).accentTextTheme.bodyText2.color,
                 fontWeight: FontWeight.w500,
                 fontSize: 14),
           ),

lib/store/settings_store.dart

@@ -85,10 +85,10 @@ abstract class SettingsStoreBase with Store {
         (String languageCode) => sharedPreferences.setString(
             PreferencesKey.currentLanguageCode, languageCode));
 
-    reaction((_) => balanceDisplayMode,
+    reaction(
-            (BalanceDisplayMode mode) => sharedPreferences.setInt(
+        (_) => balanceDisplayMode,
-            PreferencesKey.currentBalanceDisplayModeKey,
+        (BalanceDisplayMode mode) => sharedPreferences.setInt(
-            mode.serialize()));
+            PreferencesKey.currentBalanceDisplayModeKey, mode.serialize()));
 
     this
         .nodes
@@ -158,7 +158,7 @@ abstract class SettingsStoreBase with Store {
             .getBool(PreferencesKey.allowBiometricalAuthenticationKey) ??
         false;
     final legacyTheme =
-      (sharedPreferences.getBool(PreferencesKey.isDarkThemeLegacy) ?? false)
+        (sharedPreferences.getBool(PreferencesKey.isDarkThemeLegacy) ?? false)
             ? ThemeType.dark.index
             : ThemeType.bright.index;
     final savedTheme = ThemeList.deserialize(
@@ -203,6 +203,29 @@ abstract class SettingsStoreBase with Store {
         initialLanguageCode: savedLanguageCode);
   }
 
+  Future<void> reload(
+      {@required Box<Node> nodeSource,
+      FiatCurrency initialFiatCurrency = FiatCurrency.usd,
+      TransactionPriority initialTransactionPriority = TransactionPriority.slow,
+      BalanceDisplayMode initialBalanceDisplayMode =
+          BalanceDisplayMode.availableBalance}) async {
+    final settings = await SettingsStoreBase.load(
+        nodeSource: nodeSource,
+        initialBalanceDisplayMode: initialBalanceDisplayMode,
+        initialFiatCurrency: initialFiatCurrency,
+        initialTransactionPriority: initialTransactionPriority);
+    fiatCurrency = settings.fiatCurrency;
+    actionlistDisplayMode = settings.actionlistDisplayMode;
+    transactionPriority = settings.transactionPriority;
+    balanceDisplayMode = settings.balanceDisplayMode;
+    shouldSaveRecipientAddress = settings.shouldSaveRecipientAddress;
+    allowBiometricalAuthentication = settings.allowBiometricalAuthentication;
+    currentTheme = settings.currentTheme;
+    pinCodeLength = settings.pinCodeLength;
+    languageCode = settings.languageCode;
+    appVersion = settings.appVersion;
+  }
+
   Future<void> _saveCurrentNode(Node node, WalletType walletType) async {
     switch (walletType) {
       case WalletType.bitcoin:

lib/view_model/backup_view_model.dart

@@ -1,4 +1,4 @@
-import 'package:cake_wallet/core/backup.dart';
+import 'package:cake_wallet/core/backup_service.dart';
 import 'package:cake_wallet/core/execution_state.dart';
 import 'package:cake_wallet/entities/secret_store_key.dart';
 import 'package:cake_wallet/store/secret_store.dart';
@@ -52,7 +52,7 @@ abstract class BackupViewModelBase with Store {
   Future<BackupExportFile> exportBackup() async {
     try {
       state = IsExecutingState();
-      final backupContent = await backupService.exportBackup('', nonce: '');
+      final backupContent = await backupService.exportBackup(backupPassword);
       state = ExecutedSuccessfullyState();
 
       return BackupExportFile(backupContent.toList(),
@@ -60,6 +60,7 @@ abstract class BackupViewModelBase with Store {
     } catch (e) {
       print(e.toString());
       state = FailureState(e.toString());
+      return null;
     }
   }
 

lib/view_model/restore_from_backup_view_model.dart

@@ -1,11 +1,17 @@
 import 'dart:io';
-
+import 'package:hive/hive.dart';
-import 'package:cake_wallet/core/backup.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:cake_wallet/entities/node.dart';
+import 'package:cake_wallet/store/app_store.dart';
+import 'package:cake_wallet/store/authentication_store.dart';
 
 part 'restore_from_backup_view_model.g.dart';
 
-class RestoreFromBackupViewModel = RestoreFromBackupViewModelBase with _$RestoreFromBackupViewModel;
+class RestoreFromBackupViewModel = RestoreFromBackupViewModelBase
+    with _$RestoreFromBackupViewModel;
 
 abstract class RestoreFromBackupViewModelBase with Store {
   RestoreFromBackupViewModelBase(this.backupService);
@@ -15,15 +21,36 @@ abstract class RestoreFromBackupViewModelBase with Store {
 
   final BackupService backupService;
 
+  @action
+  void reset() => filePath = '';
+
   Future<void> import(String password) async {
-    if (filePath?.isEmpty ?? true) {
+    try {
-      // FIXME: throw exception;
+      if (filePath?.isEmpty ?? true) {
-      return;
+        // FIXME: throw exception;
+        return;
+      }
+
+      final file = File(filePath);
+      final data = await file.readAsBytes();
+
+      await backupService.importBackup(data, password);
+      await main();
+
+      final store = getIt.get<AppStore>();
+      ReactionDisposer reaction;
+      await store.settingsStore.reload(nodeSource: getIt.get<Box<Node>>());
+
+      reaction = autorun((_) {
+        final wallet = store.wallet;
+
+        if (wallet != null) {
+          store.authenticationStore.state = AuthenticationState.allowed;
+          reaction?.reaction?.dispose();
+        }
+      });
+    } catch (e) {
+      print(e.toString());
     }
-
-    final file = File(filePath);
-    final data = await file.readAsBytes();
-
-    await backupService.importBackup(data, password, nonce: null);
   }
 }

lib/view_model/settings/settings_view_model.dart

@@ -122,6 +122,19 @@ abstract class SettingsViewModelBase with Store {
             onItemSelected: (ThemeBase theme) =>
                 _settingsStore.currentTheme = theme)
       ],
+      [
+        RegularListItem(
+            title: 'Backup',
+            handler: (BuildContext context) {
+              Navigator.of(context).pushNamed(Routes.auth, arguments:
+                  (bool isAuthenticatedSuccessfully, AuthPageState auth) {
+                auth.close();
+                if (isAuthenticatedSuccessfully) {
+                  Navigator.of(context).pushNamed(Routes.backup);
+                }
+              });
+            }),
+      ],
       [
         LinkListItem(
             title: 'Email',