mirror of
https://github.com/cake-tech/cake_wallet.git
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fb33a6f23d
* CW-688 Store Seed and keys in .keys file * CW-688 Open wallet from keys in .keys file and migrate wallets using the old file * CW-688 Open wallet from keys in .keys file and migrate wallets using the old file * CW-688 Restore .keys file from .keys.backup * CW-688 Restore .keys file from .keys.backup * CW-688 Move saving .keys files into the save function instead of the service * CW-688 Handle corrupt wallets * CW-688 Handle corrupt wallets * CW-688 Remove code duplication * CW-688 Reduce cache dependency * wrap any file reading/writing function with try/catch [skip ci] --------- Co-authored-by: Konstantin Ullrich <konstantinullrich12@gmail.com>
125 lines
4.5 KiB
Dart
125 lines
4.5 KiB
Dart
import 'dart:io';
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import 'package:cw_core/unspent_coins_info.dart';
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import 'package:hive/hive.dart';
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import 'package:cw_bitcoin/bitcoin_mnemonic.dart';
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import 'package:cw_bitcoin/mnemonic_is_incorrect_exception.dart';
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import 'package:cw_bitcoin/bitcoin_wallet_creation_credentials.dart';
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import 'package:cw_bitcoin/litecoin_wallet.dart';
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import 'package:cw_core/wallet_service.dart';
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import 'package:cw_core/pathForWallet.dart';
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import 'package:cw_core/wallet_type.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:cw_core/wallet_base.dart';
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import 'package:collection/collection.dart';
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import 'package:bip39/bip39.dart' as bip39;
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class LitecoinWalletService extends WalletService<
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BitcoinNewWalletCredentials,
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BitcoinRestoreWalletFromSeedCredentials,
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BitcoinRestoreWalletFromWIFCredentials,BitcoinNewWalletCredentials> {
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LitecoinWalletService(this.walletInfoSource, this.unspentCoinsInfoSource);
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final Box<WalletInfo> walletInfoSource;
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final Box<UnspentCoinsInfo> unspentCoinsInfoSource;
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@override
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WalletType getType() => WalletType.litecoin;
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@override
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Future<LitecoinWallet> create(BitcoinNewWalletCredentials credentials, {bool? isTestnet}) async {
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final wallet = await LitecoinWalletBase.create(
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mnemonic: await generateElectrumMnemonic(),
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password: credentials.password!,
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passphrase: credentials.passphrase,
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walletInfo: credentials.walletInfo!,
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unspentCoinsInfo: unspentCoinsInfoSource);
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await wallet.save();
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await wallet.init();
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return wallet;
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}
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@override
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Future<bool> isWalletExit(String name) async =>
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File(await pathForWallet(name: name, type: getType())).existsSync();
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@override
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Future<LitecoinWallet> openWallet(String name, String password) async {
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final walletInfo = walletInfoSource.values.firstWhereOrNull(
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(info) => info.id == WalletBase.idFor(name, getType()))!;
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try {
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final wallet = await LitecoinWalletBase.open(
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password: password, name: name, walletInfo: walletInfo,
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unspentCoinsInfo: unspentCoinsInfoSource);
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await wallet.init();
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saveBackup(name);
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return wallet;
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} catch (_) {
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await restoreWalletFilesFromBackup(name);
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final wallet = await LitecoinWalletBase.open(
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password: password, name: name, walletInfo: walletInfo,
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unspentCoinsInfo: unspentCoinsInfoSource);
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await wallet.init();
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return wallet;
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}
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}
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@override
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Future<void> remove(String wallet) async {
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File(await pathForWalletDir(name: wallet, type: getType()))
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.delete(recursive: true);
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final walletInfo = walletInfoSource.values.firstWhereOrNull(
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(info) => info.id == WalletBase.idFor(wallet, getType()))!;
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await walletInfoSource.delete(walletInfo.key);
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}
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@override
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Future<void> rename(String currentName, String password, String newName) async {
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final currentWalletInfo = walletInfoSource.values.firstWhereOrNull(
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(info) => info.id == WalletBase.idFor(currentName, getType()))!;
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final currentWallet = await LitecoinWalletBase.open(
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password: password,
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name: currentName,
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walletInfo: currentWalletInfo,
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unspentCoinsInfo: unspentCoinsInfoSource);
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await currentWallet.renameWalletFiles(newName);
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await saveBackup(newName);
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final newWalletInfo = currentWalletInfo;
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newWalletInfo.id = WalletBase.idFor(newName, getType());
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newWalletInfo.name = newName;
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await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
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}
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@override
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Future<LitecoinWallet> restoreFromHardwareWallet(BitcoinNewWalletCredentials credentials) {
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throw UnimplementedError("Restoring a Litecoin wallet from a hardware wallet is not yet supported!");
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}
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@override
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Future<LitecoinWallet> restoreFromKeys(
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BitcoinRestoreWalletFromWIFCredentials credentials, {bool? isTestnet}) async =>
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throw UnimplementedError();
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@override
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Future<LitecoinWallet> restoreFromSeed(
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BitcoinRestoreWalletFromSeedCredentials credentials, {bool? isTestnet}) async {
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if (!validateMnemonic(credentials.mnemonic) && !bip39.validateMnemonic(credentials.mnemonic)) {
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throw LitecoinMnemonicIsIncorrectException();
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}
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final wallet = await LitecoinWalletBase.create(
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password: credentials.password!,
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passphrase: credentials.passphrase,
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mnemonic: credentials.mnemonic,
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walletInfo: credentials.walletInfo!,
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unspentCoinsInfo: unspentCoinsInfoSource);
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await wallet.save();
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await wallet.init();
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return wallet;
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}
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}
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