mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-27 14:09:50 +00:00
3b7f9a297c
* Move file.dart * Add seedFallback for missing polyseeds * Remove unused dependency of cw_bitcoin * Minor fix MacOS * Add more blockheight-date matching * Scan only last 2 days for new Polyseed wallets
90 lines
2.6 KiB
Dart
90 lines
2.6 KiB
Dart
import 'dart:convert';
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import 'package:cw_bitcoin/electrum_transaction_info.dart';
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import 'package:cw_core/pathForWallet.dart';
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import 'package:cw_core/transaction_history.dart';
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import 'package:cw_core/utils/file.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:mobx/mobx.dart';
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part 'electrum_transaction_history.g.dart';
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const transactionsHistoryFileName = 'transactions.json';
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class ElectrumTransactionHistory = ElectrumTransactionHistoryBase
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with _$ElectrumTransactionHistory;
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abstract class ElectrumTransactionHistoryBase
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extends TransactionHistoryBase<ElectrumTransactionInfo> with Store {
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ElectrumTransactionHistoryBase(
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{required this.walletInfo, required String password})
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: _password = password,
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_height = 0 {
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transactions = ObservableMap<String, ElectrumTransactionInfo>();
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}
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final WalletInfo walletInfo;
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String _password;
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int _height;
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Future<void> init() async => await _load();
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@override
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void addOne(ElectrumTransactionInfo transaction) =>
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transactions[transaction.id] = transaction;
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@override
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void addMany(Map<String, ElectrumTransactionInfo> transactions) =>
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transactions.forEach((_, tx) => _update(tx));
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@override
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Future<void> save() async {
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try {
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final dirPath =
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await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
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final path = '$dirPath/$transactionsHistoryFileName';
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final data =
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json.encode({'height': _height, 'transactions': transactions});
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await writeData(path: path, password: _password, data: data);
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} catch (e) {
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print('Error while save bitcoin transaction history: ${e.toString()}');
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}
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}
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Future<void> changePassword(String password) async {
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_password = password;
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await save();
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}
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Future<Map<String, dynamic>> _read() async {
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final dirPath =
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await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
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final path = '$dirPath/$transactionsHistoryFileName';
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final content = await read(path: path, password: _password);
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return json.decode(content) as Map<String, dynamic>;
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}
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Future<void> _load() async {
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try {
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final content = await _read();
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final txs = content['transactions'] as Map<String, dynamic>? ?? {};
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txs.entries.forEach((entry) {
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final val = entry.value;
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if (val is Map<String, dynamic>) {
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final tx = ElectrumTransactionInfo.fromJson(val, walletInfo.type);
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_update(tx);
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}
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});
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_height = content['height'] as int;
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} catch (e) {
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print(e);
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}
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}
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void _update(ElectrumTransactionInfo transaction) =>
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transactions[transaction.id] = transaction;
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}
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