cake_wallet/lib/core/wallet_loading_service.dart

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import 'package:cake_wallet/core/generate_wallet_password.dart';
import 'package:cake_wallet/core/key_service.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_service.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:shared_preferences/shared_preferences.dart';
class WalletLoadingService {
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WalletLoadingService(
this.sharedPreferences, this.keyService, this.walletServiceFactory);
final SharedPreferences sharedPreferences;
final KeyService keyService;
final WalletService Function(WalletType type) walletServiceFactory;
Future<void> renameWallet(
WalletType type, String name, String newName, {String? password}) async {
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final walletService = walletServiceFactory.call(type);
final walletPassword = password ?? (await keyService.getWalletPassword(walletName: name));
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// Save the current wallet's password to the new wallet name's key
await keyService.saveWalletPassword(
walletName: newName, password: walletPassword);
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// Delete previous wallet name from keyService to keep only new wallet's name
// otherwise keeps duplicate (old and new names)
await keyService.deleteWalletPassword(walletName: name);
await walletService.rename(name, walletPassword, newName);
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}
Future<WalletBase> load(WalletType type, String name, {String? password}) async {
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final walletService = walletServiceFactory.call(type);
final walletPassword = password ?? (await keyService.getWalletPassword(walletName: name));
final wallet = await walletService.openWallet(name, walletPassword);
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if (type == WalletType.monero) {
await updateMoneroWalletPassword(wallet);
}
return wallet;
}
Future<void> updateMoneroWalletPassword(WalletBase wallet) async {
final key = PreferencesKey.moneroWalletUpdateV1Key(wallet.name);
var isPasswordUpdated = sharedPreferences.getBool(key) ?? false;
if (isPasswordUpdated) {
return;
}
final password = generateWalletPassword();
// Save new generated password with backup key for case where
// wallet will change password, but it will fail to update in secure storage
final bakWalletName = '#__${wallet.name}_bak__#';
await keyService.saveWalletPassword(
walletName: bakWalletName, password: password);
await wallet.changePassword(password);
await keyService.saveWalletPassword(
walletName: wallet.name, password: password);
isPasswordUpdated = true;
await sharedPreferences.setBool(key, isPasswordUpdated);
}
}