mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-09-29 18:01:06 +00:00
470 lines
15 KiB
Dart
470 lines
15 KiB
Dart
/*
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* This file is part of Stack Wallet.
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*
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* Copyright (c) 2023 Cypher Stack
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* All Rights Reserved.
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* The code is distributed under GPLv3 license, see LICENSE file for details.
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* Generated by Cypher Stack on 2023-05-26
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*
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*/
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter_libmonero/monero/monero.dart';
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import 'package:flutter_libmonero/wownero/wownero.dart';
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import 'package:stackwallet/db/hive/db.dart';
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import 'package:stackwallet/db/isar/main_db.dart';
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import 'package:stackwallet/services/coins/epiccash/epiccash_wallet.dart';
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import 'package:stackwallet/services/notifications_service.dart';
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import 'package:stackwallet/services/trade_sent_from_stack_service.dart';
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import 'package:stackwallet/utilities/enums/coin_enum.dart';
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import 'package:stackwallet/utilities/flutter_secure_storage_interface.dart';
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import 'package:stackwallet/utilities/logger.dart';
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import 'package:uuid/uuid.dart';
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class WalletInfo {
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final Coin coin;
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final String walletId;
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final String name;
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const WalletInfo(
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{required this.coin, required this.walletId, required this.name});
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factory WalletInfo.fromJson(Map<String, dynamic> jsonObject) {
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return WalletInfo(
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coin: Coin.values.byName(jsonObject["coin"] as String),
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walletId: jsonObject["id"] as String,
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name: jsonObject["name"] as String,
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);
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}
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Map<String, String> toMap() {
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return {
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"name": name,
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"id": walletId,
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"coin": coin.name,
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};
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}
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String toJsonString() {
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return jsonEncode(toMap());
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}
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@override
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String toString() {
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return "WalletInfo: ${toJsonString()}";
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}
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}
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class WalletsService extends ChangeNotifier {
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late final SecureStorageInterface _secureStore;
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Future<Map<String, WalletInfo>>? _walletNames;
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Future<Map<String, WalletInfo>> get walletNames =>
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_walletNames ??= _fetchWalletNames();
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WalletsService({
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required SecureStorageInterface secureStorageInterface,
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}) {
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_secureStore = secureStorageInterface;
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}
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// Future<Coin> getWalletCryptoCurrency({required String walletName}) async {
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// final id = await getWalletId(walletName);
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// final currency = DB.instance.get<dynamic>(
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// boxName: DB.boxNameAllWalletsData, key: "${id}_cryptoCurrency");
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// return Coin.values.byName(currency as String);
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// }
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Future<bool> renameWallet({
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required String from,
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required String to,
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required bool shouldNotifyListeners,
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}) async {
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if (from == to) {
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return true;
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}
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final walletInfo = DB.instance
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.get<dynamic>(boxName: DB.boxNameAllWalletsData, key: 'names') as Map;
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final info = walletInfo.values.firstWhere(
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(element) => element['name'] == from,
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orElse: () => <String, String>{}) as Map;
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if (info.isEmpty) {
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// tried to rename a non existing wallet
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Logging.instance
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.log("Tried to rename a non existing wallet!", level: LogLevel.Error);
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return false;
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}
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if (from != to &&
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(walletInfo.values.firstWhere((element) => element['name'] == to,
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orElse: () => <String, String>{}) as Map)
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.isNotEmpty) {
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// name already exists
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Logging.instance.log("wallet with name \"$to\" already exists!",
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level: LogLevel.Error);
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return false;
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}
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info["name"] = to;
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walletInfo[info['id']] = info;
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: 'names', value: walletInfo);
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await refreshWallets(shouldNotifyListeners);
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return true;
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}
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Future<Map<String, WalletInfo>> _fetchWalletNames() async {
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final names = DB.instance
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.get<dynamic>(boxName: DB.boxNameAllWalletsData, key: 'names') as Map?;
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if (names == null) {
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Logging.instance.log(
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"Fetched wallet 'names' returned null. Setting initializing 'names'",
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level: LogLevel.Info);
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: 'names',
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value: <String, dynamic>{});
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return {};
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}
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Logging.instance.log("Fetched wallet names: $names", level: LogLevel.Info);
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final mapped = Map<String, dynamic>.from(names);
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mapped.removeWhere((name, dyn) {
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final jsonObject = Map<String, dynamic>.from(dyn as Map);
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try {
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Coin.values.byName(jsonObject["coin"] as String);
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return false;
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} catch (e, s) {
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Logging.instance.log("Error, ${jsonObject["coin"]} does not exist",
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level: LogLevel.Error);
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return true;
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}
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});
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return mapped.map((name, dyn) => MapEntry(
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name, WalletInfo.fromJson(Map<String, dynamic>.from(dyn as Map))));
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}
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Map<String, WalletInfo> fetchWalletsData() {
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final names = DB.instance.get<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: 'names') as Map? ??
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{};
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Logging.instance.log("Fetched wallet names: $names", level: LogLevel.Info);
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final mapped = Map<String, dynamic>.from(names);
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mapped.removeWhere((name, dyn) {
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final jsonObject = Map<String, dynamic>.from(dyn as Map);
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try {
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Coin.values.byName(jsonObject["coin"] as String);
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return false;
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} catch (e, s) {
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Logging.instance.log("Error, ${jsonObject["coin"]} does not exist",
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level: LogLevel.Error);
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return true;
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}
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});
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return mapped.map((name, dyn) => MapEntry(
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name, WalletInfo.fromJson(Map<String, dynamic>.from(dyn as Map))));
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}
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Future<void> addExistingStackWallet({
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required String name,
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required String walletId,
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required Coin coin,
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required bool shouldNotifyListeners,
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}) async {
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final _names = DB.instance
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.get<dynamic>(boxName: DB.boxNameAllWalletsData, key: 'names') as Map?;
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Map<String, dynamic> names;
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if (_names == null) {
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names = {};
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} else {
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names = Map<String, dynamic>.from(_names);
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}
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if (names.keys.contains(walletId)) {
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throw Exception("Wallet with walletId \"$walletId\" already exists!");
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}
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if (names.values.where((element) => element['name'] == name).isNotEmpty) {
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throw Exception("Wallet with name \"$name\" already exists!");
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}
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names[walletId] = {
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"id": walletId,
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"coin": coin.name,
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"name": name,
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};
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: 'names', value: names);
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${walletId}_cryptoCurrency",
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value: coin.name);
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${walletId}_mnemonicHasBeenVerified",
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value: false);
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await DB.instance.addWalletBox(walletId: walletId);
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await refreshWallets(shouldNotifyListeners);
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}
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/// returns the new walletId if successful, otherwise null
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Future<String?> addNewWallet({
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required String name,
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required Coin coin,
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required bool shouldNotifyListeners,
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}) async {
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final _names = DB.instance
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.get<dynamic>(boxName: DB.boxNameAllWalletsData, key: 'names') as Map?;
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Map<String, dynamic> names;
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if (_names == null) {
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names = {};
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} else {
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names = Map<String, dynamic>.from(_names);
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}
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// Prevent overwriting or storing empty names
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if (name.isEmpty ||
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names.values.where((element) => element['name'] == name).isNotEmpty) {
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return null;
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}
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final id = const Uuid().v1();
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names[id] = {
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"id": id,
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"coin": coin.name,
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"name": name,
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};
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: 'names', value: names);
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${id}_cryptoCurrency",
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value: coin.name);
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${id}_mnemonicHasBeenVerified",
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value: false);
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await DB.instance.addWalletBox(walletId: id);
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await refreshWallets(shouldNotifyListeners);
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return id;
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}
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Future<List<String>> getFavoriteWalletIds() async {
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return DB.instance
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.values<String>(boxName: DB.boxNameFavoriteWallets)
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.toList();
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}
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Future<void> saveFavoriteWalletIds(List<String> walletIds) async {
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await DB.instance.deleteAll<String>(boxName: DB.boxNameFavoriteWallets);
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await DB.instance
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.addAll(boxName: DB.boxNameFavoriteWallets, values: walletIds);
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//todo: check if print needed
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// debugPrint("saveFavoriteWalletIds list: $walletIds");
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}
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Future<void> addFavorite(String walletId) async {
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final list = await getFavoriteWalletIds();
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if (!list.contains(walletId)) {
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list.add(walletId);
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}
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await saveFavoriteWalletIds(list);
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}
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Future<void> removeFavorite(String walletId) async {
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final list = await getFavoriteWalletIds();
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list.remove(walletId);
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await saveFavoriteWalletIds(list);
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}
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Future<void> moveFavorite({
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required int fromIndex,
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required int toIndex,
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}) async {
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final list = await getFavoriteWalletIds();
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if (fromIndex < toIndex) {
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toIndex -= 1;
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}
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final walletId = list.removeAt(fromIndex);
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list.insert(toIndex, walletId);
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await saveFavoriteWalletIds(list);
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}
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Future<bool> checkForDuplicate(String name) async {
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final names = DB.instance
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.get<dynamic>(boxName: DB.boxNameAllWalletsData, key: 'names') as Map?;
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if (names == null) return false;
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return names.values.where((element) => element['name'] == name).isNotEmpty;
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}
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Future<String?> getWalletId(String walletName) async {
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final names = DB.instance
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.get<dynamic>(boxName: DB.boxNameAllWalletsData, key: 'names') as Map;
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final shells =
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names.values.where((element) => element['name'] == walletName);
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if (shells.isEmpty) {
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return null;
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}
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return shells.first["id"] as String;
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}
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Future<bool> isMnemonicVerified({required String walletId}) async {
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final isVerified = DB.instance.get<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${walletId}_mnemonicHasBeenVerified") as bool?;
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if (isVerified == null) {
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Logging.instance.log(
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"isMnemonicVerified(walletId: $walletId) returned null which should never happen!",
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level: LogLevel.Error,
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);
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throw Exception(
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"isMnemonicVerified(walletId: $walletId) returned null which should never happen!");
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} else {
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return isVerified;
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}
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}
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Future<void> setMnemonicVerified({required String walletId}) async {
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final isVerified = DB.instance.get<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${walletId}_mnemonicHasBeenVerified") as bool?;
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if (isVerified == null) {
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Logging.instance.log(
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"setMnemonicVerified(walletId: $walletId) tried running on non existent wallet!",
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level: LogLevel.Error,
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);
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throw Exception(
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"setMnemonicVerified(walletId: $walletId) tried running on non existent wallet!");
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} else if (isVerified) {
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Logging.instance.log(
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"setMnemonicVerified(walletId: $walletId) tried running on already verified wallet!",
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level: LogLevel.Error,
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);
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throw Exception(
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"setMnemonicVerified(walletId: $walletId) tried running on already verified wallet!");
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} else {
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${walletId}_mnemonicHasBeenVerified",
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value: true);
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Logging.instance.log(
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"setMnemonicVerified(walletId: $walletId) successful",
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level: LogLevel.Error,
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);
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}
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}
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// pin + mnemonic as well as anything else in secureStore
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Future<int> deleteWallet(String name, bool shouldNotifyListeners) async {
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final names = DB.instance.get<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: 'names') as Map? ??
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{};
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final walletId = await getWalletId(name);
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if (walletId == null) {
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return 3;
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}
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Logging.instance.log(
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"deleteWallet called with name=$name and id=$walletId",
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level: LogLevel.Warning,
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);
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final shell = names.remove(walletId);
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if (shell == null) {
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return 0;
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}
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// TODO delete derivations!!!
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await _secureStore.delete(key: "${walletId}_pin");
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await _secureStore.delete(key: "${walletId}_mnemonic");
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await DB.instance.delete<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: "${walletId}_cryptoCurrency");
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await DB.instance.delete<dynamic>(
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boxName: DB.boxNameAllWalletsData,
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key: "${walletId}_mnemonicHasBeenVerified");
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if (coinFromPrettyName(shell['coin'] as String) == Coin.wownero) {
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final wowService =
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wownero.createWowneroWalletService(DB.instance.moneroWalletInfoBox);
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await wowService.remove(walletId);
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Logging.instance
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.log("monero wallet: $walletId deleted", level: LogLevel.Info);
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} else if (coinFromPrettyName(shell['coin'] as String) == Coin.monero) {
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final xmrService =
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monero.createMoneroWalletService(DB.instance.moneroWalletInfoBox);
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await xmrService.remove(walletId);
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Logging.instance
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.log("monero wallet: $walletId deleted", level: LogLevel.Info);
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} else if (coinFromPrettyName(shell['coin'] as String) == Coin.epicCash) {
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final deleteResult =
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await deleteEpicWallet(walletId: walletId, secureStore: _secureStore);
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Logging.instance.log(
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"epic wallet: $walletId deleted with result: $deleteResult",
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level: LogLevel.Info);
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}
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// delete wallet data in main db
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await MainDB.instance.deleteWalletBlockchainData(walletId);
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await MainDB.instance.deleteAddressLabels(walletId);
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await MainDB.instance.deleteTransactionNotes(walletId);
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// box data may currently still be read/written to if wallet was refreshing
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// when delete was requested so instead of deleting now we mark the wallet
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// as needs delete by adding it's id to a list which gets checked on app start
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await DB.instance.add<String>(
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boxName: DB.boxNameWalletsToDeleteOnStart, value: walletId);
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final lookupService = TradeSentFromStackService();
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for (final lookup in lookupService.all) {
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if (lookup.walletIds.contains(walletId)) {
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// update lookup data to reflect deleted wallet
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await lookupService.save(
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tradeWalletLookup: lookup.copyWith(
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walletIds: lookup.walletIds.where((id) => id != walletId).toList(),
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),
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);
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}
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}
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// delete notifications tied to deleted wallet
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for (final notification in NotificationsService.instance.notifications) {
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if (notification.walletId == walletId) {
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await NotificationsService.instance.delete(notification, false);
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}
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}
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if (names.isEmpty) {
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await DB.instance.deleteAll<dynamic>(boxName: DB.boxNameAllWalletsData);
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_walletNames = Future(() => {});
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notifyListeners();
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return 2; // error code no wallets on device
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}
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await DB.instance.put<dynamic>(
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boxName: DB.boxNameAllWalletsData, key: 'names', value: names);
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await refreshWallets(shouldNotifyListeners);
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return 0;
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}
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Future<void> refreshWallets(bool shouldNotifyListeners) async {
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final newNames = await _fetchWalletNames();
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_walletNames = Future(() => newNames);
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if (shouldNotifyListeners) notifyListeners();
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}
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}
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