cake_wallet/cw_bitcoin/lib/electrum_transaction_history.dart
cyan c78662fbfe
CW 781 replace all print statements with printV (#1733)
* replace all print statements with printV

* restore backup error message

* missing print statements, error fixes

* Update cw_core/lib/utils/print_verbose.dart [skip ci]

* Update cw_core/lib/utils/print_verbose.dart [skip ci]

* CW-846: Correctly display balance (#1848)

* Correctly display balance even with frozen coins

* remove package= from AndroidMainfest.xml

* update namespace

* print -> printV

---------

Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
2024-12-09 20:23:59 +02:00

97 lines
3.2 KiB
Dart

import 'dart:convert';
import 'package:cw_core/encryption_file_utils.dart';
import 'package:cw_bitcoin/electrum_transaction_info.dart';
import 'package:cw_core/pathForWallet.dart';
import 'package:cw_core/transaction_history.dart';
import 'package:cw_core/utils/file.dart';
import 'package:cw_core/utils/print_verbose.dart';
import 'package:cw_core/wallet_info.dart';
import 'package:mobx/mobx.dart';
import 'package:cw_core/transaction_history.dart';
import 'package:cw_bitcoin/electrum_transaction_info.dart';
part 'electrum_transaction_history.g.dart';
const transactionsHistoryFileName = 'transactions.json';
class ElectrumTransactionHistory = ElectrumTransactionHistoryBase with _$ElectrumTransactionHistory;
abstract class ElectrumTransactionHistoryBase
extends TransactionHistoryBase<ElectrumTransactionInfo> with Store {
ElectrumTransactionHistoryBase(
{required this.walletInfo, required String password, required this.encryptionFileUtils})
: _password = password,
_height = 0 {
transactions = ObservableMap<String, ElectrumTransactionInfo>();
}
final WalletInfo walletInfo;
final EncryptionFileUtils encryptionFileUtils;
String _password;
int _height;
Future<void> init() async => await _load();
@override
void addOne(ElectrumTransactionInfo transaction) => transactions[transaction.id] = transaction;
@override
void addMany(Map<String, ElectrumTransactionInfo> transactions) =>
transactions.forEach((_, tx) => _update(tx));
@override
Future<void> save() async {
try {
final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
final path = '$dirPath/$transactionsHistoryFileName';
final txjson = {};
for (final tx in transactions.entries) {
txjson[tx.key] = tx.value.toJson();
}
final data = json.encode({'height': _height, 'transactions': txjson});
await encryptionFileUtils.write(path: path, password: _password, data: data);
} catch (e) {
printV('Error while save bitcoin transaction history: ${e.toString()}');
}
}
Future<void> changePassword(String password) async {
_password = password;
await save();
}
Future<Map<String, dynamic>> _read() async {
final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
final path = '$dirPath/$transactionsHistoryFileName';
final content = await encryptionFileUtils.read(path: path, password: _password);
return json.decode(content) as Map<String, dynamic>;
}
Future<void> _load() async {
try {
final content = await _read();
final txs = content['transactions'] as Map<String, dynamic>? ?? {};
txs.entries.forEach((entry) {
final val = entry.value;
if (val is Map<String, dynamic>) {
// removing transactions with invalid date
if (val['date'] == 1168650000) {
transactions.remove(entry.key);
} else {
final tx = ElectrumTransactionInfo.fromJson(val, walletInfo.type);
_update(tx);
}
}
});
_height = content['height'] as int;
} catch (e) {
printV(e);
}
}
void _update(ElectrumTransactionInfo transaction) => transactions[transaction.id] = transaction;
}