mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-23 12:09:43 +00:00
e5be737236
* bio auth mac fix * remove comment and change duration from 2 to 0 * cherry pick previous changes * workaround for secure storage bug on mac * bump version to 3.19.5 (because breez will need this version anyways) * some code cleanup * some changess didn't get saved * just documenting the issue [skip ci] * undo accidental removal + minor code cleanup * merge conflicts * Minor UI change [skip ci] --------- Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
536 lines
24 KiB
Dart
536 lines
24 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'dart:typed_data';
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import 'package:cake_wallet/core/secure_storage.dart';
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import 'package:cake_wallet/themes/theme_list.dart';
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import 'package:cake_wallet/utils/device_info.dart';
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import 'package:cw_core/wallet_type.dart';
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import 'package:flutter/foundation.dart';
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import 'package:hive/hive.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:cryptography/cryptography.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:archive/archive_io.dart';
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import 'package:cw_core/cake_hive.dart';
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import 'package:cake_wallet/core/key_service.dart';
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import 'package:cake_wallet/entities/encrypt.dart';
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import 'package:cake_wallet/entities/preferences_key.dart';
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import 'package:cake_wallet/entities/secret_store_key.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:cake_wallet/.secrets.g.dart' as secrets;
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import 'package:cake_wallet/wallet_types.g.dart';
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import 'package:cake_backup/backup.dart' as cake_backup;
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class BackupService {
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BackupService(
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this._flutterSecureStorage, this._walletInfoSource, this._keyService, this._sharedPreferences)
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: _cipher = Cryptography.instance.chacha20Poly1305Aead(),
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_correctWallets = <WalletInfo>[];
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static const currentVersion = _v2;
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static const _v1 = 1;
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static const _v2 = 2;
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final Cipher _cipher;
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final FlutterSecureStorage _flutterSecureStorage;
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final SharedPreferences _sharedPreferences;
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final Box<WalletInfo> _walletInfoSource;
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final KeyService _keyService;
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List<WalletInfo> _correctWallets;
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Future<void> importBackup(Uint8List data, String password,
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{String nonce = secrets.backupSalt}) async {
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final version = getVersion(data);
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switch (version) {
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case _v1:
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final backupBytes = data.toList()..removeAt(0);
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final backupData = Uint8List.fromList(backupBytes);
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await _importBackupV1(backupData, password, nonce: nonce);
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break;
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case _v2:
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await _importBackupV2(data, password);
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break;
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default:
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break;
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}
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}
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Future<Uint8List> exportBackup(String password,
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{String nonce = secrets.backupSalt, int version = currentVersion}) async {
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switch (version) {
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case _v1:
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return await _exportBackupV1(password, nonce: nonce);
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case _v2:
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return await _exportBackupV2(password);
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default:
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throw Exception('Incorrect version: $version for exportBackup');
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}
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}
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@Deprecated('Use v2 instead')
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Future<Uint8List> _exportBackupV1(String password, {String nonce = secrets.backupSalt}) async =>
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throw Exception('Deprecated. Export for backups v1 is deprecated. Please use export v2.');
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Future<Uint8List> _exportBackupV2(String password) async {
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final zipEncoder = ZipFileEncoder();
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final appDir = await getApplicationDocumentsDirectory();
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final now = DateTime.now();
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final tmpDir = Directory('${appDir.path}/~_BACKUP_TMP');
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final archivePath = '${tmpDir.path}/backup_${now.toString()}.zip';
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final fileEntities = appDir.listSync(recursive: false);
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final keychainDump = await _exportKeychainDumpV2(password);
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final preferencesDump = await _exportPreferencesJSON();
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final preferencesDumpFile = File('${tmpDir.path}/~_preferences_dump_TMP');
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final keychainDumpFile = File('${tmpDir.path}/~_keychain_dump_TMP');
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if (tmpDir.existsSync()) {
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tmpDir.deleteSync(recursive: true);
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}
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tmpDir.createSync();
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zipEncoder.create(archivePath);
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fileEntities.forEach((entity) {
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if (entity.path == archivePath || entity.path == tmpDir.path) {
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return;
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}
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if (entity.statSync().type == FileSystemEntityType.directory) {
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zipEncoder.addDirectory(Directory(entity.path));
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} else {
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zipEncoder.addFile(File(entity.path));
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}
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});
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await keychainDumpFile.writeAsBytes(keychainDump.toList());
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await preferencesDumpFile.writeAsString(preferencesDump);
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await zipEncoder.addFile(preferencesDumpFile, '~_preferences_dump');
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await zipEncoder.addFile(keychainDumpFile, '~_keychain_dump');
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zipEncoder.close();
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final content = File(archivePath).readAsBytesSync();
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tmpDir.deleteSync(recursive: true);
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return await _encryptV2(content, password);
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}
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Future<void> _importBackupV1(Uint8List data, String password, {required String nonce}) async {
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final appDir = await getApplicationDocumentsDirectory();
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final decryptedData = await _decryptV1(data, password, nonce);
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final zip = ZipDecoder().decodeBytes(decryptedData);
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zip.files.forEach((file) {
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final filename = file.name;
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if (file.isFile) {
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final content = file.content as List<int>;
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File('${appDir.path}/' + filename)
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..createSync(recursive: true)
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..writeAsBytesSync(content);
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} else {
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Directory('${appDir.path}/' + filename)..create(recursive: true);
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}
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});
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await _verifyWallets();
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await _importKeychainDumpV1(password, nonce: nonce);
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await _importPreferencesDump();
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}
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Future<void> _importBackupV2(Uint8List data, String password) async {
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final appDir = await getApplicationDocumentsDirectory();
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final decryptedData = await _decryptV2(data, password);
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final zip = ZipDecoder().decodeBytes(decryptedData);
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zip.files.forEach((file) {
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final filename = file.name;
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if (file.isFile) {
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final content = file.content as List<int>;
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File('${appDir.path}/' + filename)
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..createSync(recursive: true)
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..writeAsBytesSync(content);
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} else {
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Directory('${appDir.path}/' + filename)..create(recursive: true);
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}
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});
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await _verifyWallets();
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await _importKeychainDumpV2(password);
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await _importPreferencesDump();
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}
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Future<void> _verifyWallets() async {
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final walletInfoSource = await _reloadHiveWalletInfoBox();
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_correctWallets =
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walletInfoSource.values.where((info) => availableWalletTypes.contains(info.type)).toList();
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if (_correctWallets.isEmpty) {
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throw Exception('Correct wallets not detected');
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}
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}
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Future<Box<WalletInfo>> _reloadHiveWalletInfoBox() async {
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final appDir = await getApplicationDocumentsDirectory();
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await CakeHive.close();
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CakeHive.init(appDir.path);
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if (!CakeHive.isAdapterRegistered(WalletInfo.typeId)) {
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CakeHive.registerAdapter(WalletInfoAdapter());
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}
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return await CakeHive.openBox<WalletInfo>(WalletInfo.boxName);
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}
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Future<void> _importPreferencesDump() async {
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final appDir = await getApplicationDocumentsDirectory();
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final preferencesFile = File('${appDir.path}/~_preferences_dump');
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if (!preferencesFile.existsSync()) {
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return;
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}
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final data = json.decode(preferencesFile.readAsStringSync()) as Map<String, dynamic>;
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String currentWalletName = data[PreferencesKey.currentWalletName] as String;
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int currentWalletType = data[PreferencesKey.currentWalletType] as int;
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final isCorrentCurrentWallet = _correctWallets
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.any((info) => info.name == currentWalletName && info.type.index == currentWalletType);
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if (!isCorrentCurrentWallet) {
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currentWalletName = _correctWallets.first.name;
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currentWalletType = serializeToInt(_correctWallets.first.type);
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}
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final currentNodeId = data[PreferencesKey.currentNodeIdKey] as int?;
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final currentBalanceDisplayMode = data[PreferencesKey.currentBalanceDisplayModeKey] as int?;
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final currentFiatCurrency = data[PreferencesKey.currentFiatCurrencyKey] as String?;
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final shouldSaveRecipientAddress = data[PreferencesKey.shouldSaveRecipientAddressKey] as bool?;
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final isAppSecure = data[PreferencesKey.isAppSecureKey] as bool?;
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final disableBuy = data[PreferencesKey.disableBuyKey] as bool?;
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final disableSell = data[PreferencesKey.disableSellKey] as bool?;
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final defaultBuyProvider = data[PreferencesKey.defaultBuyProvider] as int?;
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final currentTransactionPriorityKeyLegacy =
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data[PreferencesKey.currentTransactionPriorityKeyLegacy] as int?;
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final currentBitcoinElectrumSererId =
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data[PreferencesKey.currentBitcoinElectrumSererIdKey] as int?;
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final currentLanguageCode = data[PreferencesKey.currentLanguageCode] as String?;
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final displayActionListMode = data[PreferencesKey.displayActionListModeKey] as int?;
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final fiatApiMode = data[PreferencesKey.currentFiatApiModeKey] as int?;
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final currentPinLength = data[PreferencesKey.currentPinLength] as int?;
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final currentTheme = data[PreferencesKey.currentTheme] as int?;
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final exchangeStatus = data[PreferencesKey.exchangeStatusKey] as int?;
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final currentDefaultSettingsMigrationVersion =
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data[PreferencesKey.currentDefaultSettingsMigrationVersion] as int?;
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final moneroTransactionPriority = data[PreferencesKey.moneroTransactionPriority] as int?;
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final bitcoinTransactionPriority = data[PreferencesKey.bitcoinTransactionPriority] as int?;
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final sortBalanceTokensBy = data[PreferencesKey.sortBalanceBy] as int?;
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final pinNativeTokenAtTop = data[PreferencesKey.pinNativeTokenAtTop] as bool?;
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final useEtherscan = data[PreferencesKey.useEtherscan] as bool?;
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final defaultNanoRep = data[PreferencesKey.defaultNanoRep] as String?;
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final defaultBananoRep = data[PreferencesKey.defaultBananoRep] as String?;
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final lookupsTwitter = data[PreferencesKey.lookupsTwitter] as bool?;
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final lookupsMastodon = data[PreferencesKey.lookupsMastodon] as bool?;
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final lookupsYatService = data[PreferencesKey.lookupsYatService] as bool?;
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final lookupsUnstoppableDomains = data[PreferencesKey.lookupsUnstoppableDomains] as bool?;
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final lookupsOpenAlias = data[PreferencesKey.lookupsOpenAlias] as bool?;
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final lookupsENS = data[PreferencesKey.lookupsENS] as bool?;
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final syncAll = data[PreferencesKey.syncAllKey] as bool?;
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final syncMode = data[PreferencesKey.syncModeKey] as int?;
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final autoGenerateSubaddressStatus =
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data[PreferencesKey.autoGenerateSubaddressStatusKey] as int?;
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await _sharedPreferences.setString(PreferencesKey.currentWalletName, currentWalletName);
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if (currentNodeId != null)
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await _sharedPreferences.setInt(PreferencesKey.currentNodeIdKey, currentNodeId);
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if (currentBalanceDisplayMode != null)
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await _sharedPreferences.setInt(
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PreferencesKey.currentBalanceDisplayModeKey, currentBalanceDisplayMode);
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await _sharedPreferences.setInt(PreferencesKey.currentWalletType, currentWalletType);
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if (currentFiatCurrency != null)
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await _sharedPreferences.setString(
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PreferencesKey.currentFiatCurrencyKey, currentFiatCurrency);
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if (shouldSaveRecipientAddress != null)
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await _sharedPreferences.setBool(
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PreferencesKey.shouldSaveRecipientAddressKey, shouldSaveRecipientAddress);
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if (isAppSecure != null)
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await _sharedPreferences.setBool(PreferencesKey.isAppSecureKey, isAppSecure);
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if (disableBuy != null)
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await _sharedPreferences.setBool(PreferencesKey.disableBuyKey, disableBuy);
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if (disableSell != null)
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await _sharedPreferences.setBool(PreferencesKey.disableSellKey, disableSell);
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if (defaultBuyProvider != null)
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await _sharedPreferences.setInt(PreferencesKey.defaultBuyProvider, defaultBuyProvider);
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if (currentTransactionPriorityKeyLegacy != null)
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await _sharedPreferences.setInt(
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PreferencesKey.currentTransactionPriorityKeyLegacy, currentTransactionPriorityKeyLegacy);
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if (currentBitcoinElectrumSererId != null)
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await _sharedPreferences.setInt(
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PreferencesKey.currentBitcoinElectrumSererIdKey, currentBitcoinElectrumSererId);
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if (currentLanguageCode != null)
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await _sharedPreferences.setString(PreferencesKey.currentLanguageCode, currentLanguageCode);
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if (displayActionListMode != null)
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await _sharedPreferences.setInt(
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PreferencesKey.displayActionListModeKey, displayActionListMode);
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if (fiatApiMode != null)
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await _sharedPreferences.setInt(PreferencesKey.currentFiatApiModeKey, fiatApiMode);
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if (autoGenerateSubaddressStatus != null)
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await _sharedPreferences.setInt(
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PreferencesKey.autoGenerateSubaddressStatusKey, autoGenerateSubaddressStatus);
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if (currentPinLength != null)
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await _sharedPreferences.setInt(PreferencesKey.currentPinLength, currentPinLength);
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if (currentTheme != null && DeviceInfo.instance.isMobile) {
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await _sharedPreferences.setInt(PreferencesKey.currentTheme, currentTheme);
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// enforce dark theme on desktop platforms until the design is ready:
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} else if (DeviceInfo.instance.isDesktop) {
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await _sharedPreferences.setInt(PreferencesKey.currentTheme, ThemeList.darkTheme.raw);
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}
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if (exchangeStatus != null)
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await _sharedPreferences.setInt(PreferencesKey.exchangeStatusKey, exchangeStatus);
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if (currentDefaultSettingsMigrationVersion != null)
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await _sharedPreferences.setInt(PreferencesKey.currentDefaultSettingsMigrationVersion,
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currentDefaultSettingsMigrationVersion);
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if (moneroTransactionPriority != null)
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await _sharedPreferences.setInt(
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PreferencesKey.moneroTransactionPriority, moneroTransactionPriority);
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if (bitcoinTransactionPriority != null)
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await _sharedPreferences.setInt(
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PreferencesKey.bitcoinTransactionPriority, bitcoinTransactionPriority);
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if (sortBalanceTokensBy != null)
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await _sharedPreferences.setInt(PreferencesKey.sortBalanceBy, sortBalanceTokensBy);
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if (pinNativeTokenAtTop != null)
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await _sharedPreferences.setBool(PreferencesKey.pinNativeTokenAtTop, pinNativeTokenAtTop);
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if (useEtherscan != null)
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await _sharedPreferences.setBool(PreferencesKey.useEtherscan, useEtherscan);
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if (defaultNanoRep != null)
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await _sharedPreferences.setString(PreferencesKey.defaultNanoRep, defaultNanoRep);
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if (defaultBananoRep != null)
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await _sharedPreferences.setString(PreferencesKey.defaultBananoRep, defaultBananoRep);
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if (syncAll != null) await _sharedPreferences.setBool(PreferencesKey.syncAllKey, syncAll);
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if (lookupsTwitter != null)
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await _sharedPreferences.setBool(PreferencesKey.lookupsTwitter, lookupsTwitter);
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if (lookupsMastodon != null)
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await _sharedPreferences.setBool(PreferencesKey.lookupsMastodon, lookupsMastodon);
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if (lookupsYatService != null)
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await _sharedPreferences.setBool(PreferencesKey.lookupsYatService, lookupsYatService);
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if (lookupsUnstoppableDomains != null)
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await _sharedPreferences.setBool(
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PreferencesKey.lookupsUnstoppableDomains, lookupsUnstoppableDomains);
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if (lookupsOpenAlias != null)
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await _sharedPreferences.setBool(PreferencesKey.lookupsOpenAlias, lookupsOpenAlias);
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if (lookupsENS != null) await _sharedPreferences.setBool(PreferencesKey.lookupsENS, lookupsENS);
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if (syncAll != null) await _sharedPreferences.setBool(PreferencesKey.syncAllKey, syncAll);
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if (syncMode != null) await _sharedPreferences.setInt(PreferencesKey.syncModeKey, syncMode);
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await preferencesFile.delete();
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}
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Future<void> _importKeychainDumpV1(String password,
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{required String nonce, String keychainSalt = secrets.backupKeychainSalt}) async {
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final appDir = await getApplicationDocumentsDirectory();
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final keychainDumpFile = File('${appDir.path}/~_keychain_dump');
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final decryptedKeychainDumpFileData =
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await _decryptV1(keychainDumpFile.readAsBytesSync(), '$keychainSalt$password', nonce);
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final keychainJSON =
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json.decode(utf8.decode(decryptedKeychainDumpFileData)) as Map<String, dynamic>;
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final keychainWalletsInfo = keychainJSON['wallets'] as List;
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final decodedPin = keychainJSON['pin'] as String;
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final pinCodeKey = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
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final backupPasswordKey = generateStoreKeyFor(key: SecretStoreKey.backupPassword);
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final backupPassword = keychainJSON[backupPasswordKey] as String;
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await writeSecureStorage(_flutterSecureStorage, key: backupPasswordKey, value: backupPassword);
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keychainWalletsInfo.forEach((dynamic rawInfo) async {
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final info = rawInfo as Map<String, dynamic>;
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await importWalletKeychainInfo(info);
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});
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await writeSecureStorage(_flutterSecureStorage,
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key: pinCodeKey, value: encodedPinCode(pin: decodedPin));
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keychainDumpFile.deleteSync();
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}
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Future<void> _importKeychainDumpV2(String password,
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{String keychainSalt = secrets.backupKeychainSalt}) async {
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final appDir = await getApplicationDocumentsDirectory();
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final keychainDumpFile = File('${appDir.path}/~_keychain_dump');
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final decryptedKeychainDumpFileData =
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await _decryptV2(keychainDumpFile.readAsBytesSync(), '$keychainSalt$password');
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final keychainJSON =
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json.decode(utf8.decode(decryptedKeychainDumpFileData)) as Map<String, dynamic>;
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final keychainWalletsInfo = keychainJSON['wallets'] as List;
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final decodedPin = keychainJSON['pin'] as String;
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final pinCodeKey = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
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final backupPasswordKey = generateStoreKeyFor(key: SecretStoreKey.backupPassword);
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final backupPassword = keychainJSON[backupPasswordKey] as String;
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await writeSecureStorage(_flutterSecureStorage, key: backupPasswordKey, value: backupPassword);
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keychainWalletsInfo.forEach((dynamic rawInfo) async {
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final info = rawInfo as Map<String, dynamic>;
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await importWalletKeychainInfo(info);
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});
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await writeSecureStorage(_flutterSecureStorage,
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key: pinCodeKey, value: encodedPinCode(pin: decodedPin));
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keychainDumpFile.deleteSync();
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}
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Future<void> importWalletKeychainInfo(Map<String, dynamic> info) async {
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final name = info['name'] as String;
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final password = info['password'] as String;
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await _keyService.saveWalletPassword(walletName: name, password: password);
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}
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@Deprecated('Use v2 instead')
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Future<Uint8List> _exportKeychainDumpV1(String password,
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{required String nonce, String keychainSalt = secrets.backupKeychainSalt}) async =>
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throw Exception('Deprecated');
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Future<Uint8List> _exportKeychainDumpV2(String password,
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{String keychainSalt = secrets.backupKeychainSalt}) async {
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final key = generateStoreKeyFor(key: SecretStoreKey.pinCodePassword);
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final encodedPin = await _flutterSecureStorage.read(key: key);
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final decodedPin = decodedPinCode(pin: encodedPin!);
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final wallets = await Future.wait(_walletInfoSource.values.map((walletInfo) async {
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return {
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'name': walletInfo.name,
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'type': walletInfo.type.toString(),
|
|
'password': await _keyService.getWalletPassword(walletName: walletInfo.name)
|
|
};
|
|
}));
|
|
final backupPasswordKey = generateStoreKeyFor(key: SecretStoreKey.backupPassword);
|
|
final backupPassword = await _flutterSecureStorage.read(key: backupPasswordKey);
|
|
final data = utf8.encode(
|
|
json.encode({'pin': decodedPin, 'wallets': wallets, backupPasswordKey: backupPassword}));
|
|
final encrypted = await _encryptV2(Uint8List.fromList(data), '$keychainSalt$password');
|
|
|
|
return encrypted;
|
|
}
|
|
|
|
Future<String> _exportPreferencesJSON() async {
|
|
final preferences = <String, dynamic>{
|
|
PreferencesKey.currentWalletName:
|
|
_sharedPreferences.getString(PreferencesKey.currentWalletName),
|
|
PreferencesKey.currentNodeIdKey: _sharedPreferences.getInt(PreferencesKey.currentNodeIdKey),
|
|
PreferencesKey.currentBalanceDisplayModeKey:
|
|
_sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey),
|
|
PreferencesKey.currentWalletType: _sharedPreferences.getInt(PreferencesKey.currentWalletType),
|
|
PreferencesKey.currentFiatCurrencyKey:
|
|
_sharedPreferences.getString(PreferencesKey.currentFiatCurrencyKey),
|
|
PreferencesKey.shouldSaveRecipientAddressKey:
|
|
_sharedPreferences.getBool(PreferencesKey.shouldSaveRecipientAddressKey),
|
|
PreferencesKey.disableBuyKey: _sharedPreferences.getBool(PreferencesKey.disableBuyKey),
|
|
PreferencesKey.disableSellKey: _sharedPreferences.getBool(PreferencesKey.disableSellKey),
|
|
PreferencesKey.defaultBuyProvider:
|
|
_sharedPreferences.getInt(PreferencesKey.defaultBuyProvider),
|
|
PreferencesKey.currentPinLength: _sharedPreferences.getInt(PreferencesKey.currentPinLength),
|
|
PreferencesKey.currentTransactionPriorityKeyLegacy:
|
|
_sharedPreferences.getInt(PreferencesKey.currentTransactionPriorityKeyLegacy),
|
|
PreferencesKey.currentBitcoinElectrumSererIdKey:
|
|
_sharedPreferences.getInt(PreferencesKey.currentBitcoinElectrumSererIdKey),
|
|
PreferencesKey.currentLanguageCode:
|
|
_sharedPreferences.getString(PreferencesKey.currentLanguageCode),
|
|
PreferencesKey.displayActionListModeKey:
|
|
_sharedPreferences.getInt(PreferencesKey.displayActionListModeKey),
|
|
PreferencesKey.currentTheme: _sharedPreferences.getInt(PreferencesKey.currentTheme),
|
|
PreferencesKey.exchangeStatusKey: _sharedPreferences.getInt(PreferencesKey.exchangeStatusKey),
|
|
PreferencesKey.currentDefaultSettingsMigrationVersion:
|
|
_sharedPreferences.getInt(PreferencesKey.currentDefaultSettingsMigrationVersion),
|
|
PreferencesKey.bitcoinTransactionPriority:
|
|
_sharedPreferences.getInt(PreferencesKey.bitcoinTransactionPriority),
|
|
PreferencesKey.moneroTransactionPriority:
|
|
_sharedPreferences.getInt(PreferencesKey.moneroTransactionPriority),
|
|
PreferencesKey.currentFiatApiModeKey:
|
|
_sharedPreferences.getInt(PreferencesKey.currentFiatApiModeKey),
|
|
PreferencesKey.sortBalanceBy: _sharedPreferences.getInt(PreferencesKey.sortBalanceBy),
|
|
PreferencesKey.pinNativeTokenAtTop:
|
|
_sharedPreferences.getBool(PreferencesKey.pinNativeTokenAtTop),
|
|
PreferencesKey.useEtherscan: _sharedPreferences.getBool(PreferencesKey.useEtherscan),
|
|
PreferencesKey.defaultNanoRep: _sharedPreferences.getString(PreferencesKey.defaultNanoRep),
|
|
PreferencesKey.defaultBananoRep:
|
|
_sharedPreferences.getString(PreferencesKey.defaultBananoRep),
|
|
PreferencesKey.lookupsTwitter: _sharedPreferences.getBool(PreferencesKey.lookupsTwitter),
|
|
PreferencesKey.lookupsMastodon: _sharedPreferences.getBool(PreferencesKey.lookupsMastodon),
|
|
PreferencesKey.lookupsYatService:
|
|
_sharedPreferences.getBool(PreferencesKey.lookupsYatService),
|
|
PreferencesKey.lookupsUnstoppableDomains:
|
|
_sharedPreferences.getBool(PreferencesKey.lookupsUnstoppableDomains),
|
|
PreferencesKey.lookupsOpenAlias: _sharedPreferences.getBool(PreferencesKey.lookupsOpenAlias),
|
|
PreferencesKey.lookupsENS: _sharedPreferences.getBool(PreferencesKey.lookupsENS),
|
|
PreferencesKey.syncModeKey: _sharedPreferences.getInt(PreferencesKey.syncModeKey),
|
|
PreferencesKey.syncAllKey: _sharedPreferences.getBool(PreferencesKey.syncAllKey),
|
|
PreferencesKey.autoGenerateSubaddressStatusKey:
|
|
_sharedPreferences.getInt(PreferencesKey.autoGenerateSubaddressStatusKey),
|
|
};
|
|
|
|
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);
|
|
}
|
|
|
|
@Deprecated('Use v2 instead')
|
|
Future<Uint8List> _encryptV1(Uint8List data, String secretKeySource, String nonceBase64) async =>
|
|
throw Exception('Deprecated');
|
|
|
|
Future<Uint8List> _decryptV1(Uint8List data, String secretKeySource, String nonceBase64,
|
|
{int macLength = 16}) async {
|
|
final secretKeyHash = await Cryptography.instance.sha256().hash(utf8.encode(secretKeySource));
|
|
final secretKey = SecretKey(secretKeyHash.bytes);
|
|
final nonce = base64.decode(nonceBase64).toList();
|
|
final box = SecretBox(Uint8List.sublistView(data, 0, data.lengthInBytes - macLength).toList(),
|
|
nonce: nonce, mac: Mac(Uint8List.sublistView(data, data.lengthInBytes - macLength)));
|
|
final plainData = await _cipher.decrypt(box, secretKey: secretKey);
|
|
return Uint8List.fromList(plainData);
|
|
}
|
|
|
|
Future<Uint8List> _encryptV2(Uint8List data, String passphrase) async =>
|
|
cake_backup.encrypt(passphrase, data, version: _v2);
|
|
|
|
Future<Uint8List> _decryptV2(Uint8List data, String passphrase) async =>
|
|
cake_backup.decrypt(passphrase, data);
|
|
}
|