stack_wallet/lib/hive/db.dart

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import 'dart:isolate';
import 'package:cw_core/wallet_info.dart' as xmr;
import 'package:hive/hive.dart';
import 'package:mutex/mutex.dart';
import 'package:stackwallet/models/exchange/change_now/exchange_transaction.dart';
import 'package:stackwallet/models/exchange/response_objects/trade.dart';
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import 'package:stackwallet/models/node_model.dart';
import 'package:stackwallet/models/notification_model.dart';
import 'package:stackwallet/models/trade_wallet_lookup.dart';
import 'package:stackwallet/services/wallets_service.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
import 'package:stackwallet/utilities/logger.dart';
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class DB {
static const String boxNameAddressBook = "addressBook";
static const String boxNameDebugInfo = "debugInfoBox";
static const String boxNameNodeModels = "nodeModels";
static const String boxNamePrimaryNodes = "primaryNodes";
static const String boxNameAllWalletsData = "wallets";
static const String boxNameNotifications = "notificationModels";
static const String boxNameWatchedTransactions =
"watchedTxNotificationModels";
static const String boxNameWatchedTrades = "watchedTradesNotificationModels";
static const String boxNameTrades = "exchangeTransactionsBox";
static const String boxNameTradesV2 = "exchangeTradesBox";
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static const String boxNameTradeNotes = "tradeNotesBox";
static const String boxNameTradeLookup = "tradeToTxidLookUpBox";
static const String boxNameFavoriteWallets = "favoriteWallets";
static const String boxNamePrefs = "prefs";
static const String boxNameWalletsToDeleteOnStart = "walletsToDeleteOnStart";
static const String boxNamePriceCache = "priceAPIPrice24hCache";
static const String boxNameDBInfo = "dbInfo";
static const String boxNameTheme = "theme";
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static const String boxNameDesktopData = "desktopData";
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static const String boxNameBuys = "buysBox";
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String boxNameTxCache({required Coin coin}) => "${coin.name}_txCache";
String boxNameSetCache({required Coin coin}) =>
"${coin.name}_anonymitySetCache";
String boxNameUsedSerialsCache({required Coin coin}) =>
"${coin.name}_usedSerialsCache";
Box<dynamic>? _boxAddressBook;
Box<String>? _boxDebugInfo;
Box<NodeModel>? _boxNodeModels;
Box<NodeModel>? _boxPrimaryNodes;
Box<dynamic>? _boxAllWalletsData;
Box<NotificationModel>? _boxNotifications;
Box<NotificationModel>? _boxWatchedTransactions;
Box<NotificationModel>? _boxWatchedTrades;
Box<ExchangeTransaction>? _boxTrades;
Box<Trade>? _boxTradesV2;
Box<String>? _boxTradeNotes;
Box<String>? _boxFavoriteWallets;
Box<xmr.WalletInfo>? _walletInfoSource;
Box<dynamic>? _boxPrefs;
Box<TradeWalletLookup>? _boxTradeLookup;
Box<dynamic>? _boxDBInfo;
Box<String>? _boxDesktopData;
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final Map<String, Box<dynamic>> _walletBoxes = {};
final Map<Coin, Box<dynamic>> _txCacheBoxes = {};
final Map<Coin, Box<dynamic>> _setCacheBoxes = {};
final Map<Coin, Box<dynamic>> _usedSerialsCacheBoxes = {};
// exposed for monero
Box<xmr.WalletInfo> get moneroWalletInfoBox => _walletInfoSource!;
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// mutex for stack backup
final mutex = Mutex();
DB._();
static final DB _instance = DB._();
static DB get instance {
// "This name does not uniquely identify an isolate. Multiple isolates in the same process may have the same debugName."
// if (Isolate.current.debugName != "main") {
// TODO: make sure this works properly
if (Isolate.current.debugName != "main") {
throw Exception(
"DB.instance should not be accessed outside the main isolate!");
}
return _instance;
}
// open hive boxes
Future<void> init() async {
if (Hive.isBoxOpen(boxNameDBInfo)) {
_boxDBInfo = Hive.box<dynamic>(boxNameDBInfo);
} else {
_boxDBInfo = await Hive.openBox<dynamic>(boxNameDBInfo);
}
await Hive.openBox<String>(boxNameWalletsToDeleteOnStart);
if (Hive.isBoxOpen(boxNamePrefs)) {
_boxPrefs = Hive.box<dynamic>(boxNamePrefs);
} else {
_boxPrefs = await Hive.openBox<dynamic>(boxNamePrefs);
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}
_boxAddressBook = await Hive.openBox<dynamic>(boxNameAddressBook);
_boxDebugInfo = await Hive.openBox<String>(boxNameDebugInfo);
if (Hive.isBoxOpen(boxNameNodeModels)) {
_boxNodeModels = Hive.box<NodeModel>(boxNameNodeModels);
} else {
_boxNodeModels = await Hive.openBox<NodeModel>(boxNameNodeModels);
}
if (Hive.isBoxOpen(boxNamePrimaryNodes)) {
_boxPrimaryNodes = Hive.box<NodeModel>(boxNamePrimaryNodes);
} else {
_boxPrimaryNodes = await Hive.openBox<NodeModel>(boxNamePrimaryNodes);
}
if (Hive.isBoxOpen(boxNameAllWalletsData)) {
_boxAllWalletsData = Hive.box<dynamic>(boxNameAllWalletsData);
} else {
_boxAllWalletsData = await Hive.openBox<dynamic>(boxNameAllWalletsData);
}
if (Hive.isBoxOpen(boxNameDesktopData)) {
_boxDesktopData = Hive.box<String>(boxNameDesktopData);
} else {
_boxDesktopData = await Hive.openBox<String>(boxNameDesktopData);
}
_boxNotifications =
await Hive.openBox<NotificationModel>(boxNameNotifications);
_boxWatchedTransactions =
await Hive.openBox<NotificationModel>(boxNameWatchedTransactions);
_boxWatchedTrades =
await Hive.openBox<NotificationModel>(boxNameWatchedTrades);
_boxTrades = await Hive.openBox<ExchangeTransaction>(boxNameTrades);
_boxTradesV2 = await Hive.openBox<Trade>(boxNameTradesV2);
_boxTradeNotes = await Hive.openBox<String>(boxNameTradeNotes);
_boxTradeLookup = await Hive.openBox<TradeWalletLookup>(boxNameTradeLookup);
_walletInfoSource =
await Hive.openBox<xmr.WalletInfo>(xmr.WalletInfo.boxName);
_boxFavoriteWallets = await Hive.openBox<String>(boxNameFavoriteWallets);
await Future.wait([
Hive.openBox<dynamic>(boxNamePriceCache),
_loadWalletBoxes(),
_loadSharedCoinCacheBoxes(),
]);
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}
Future<void> _loadWalletBoxes() async {
final names = _boxAllWalletsData!.get("names") as Map? ?? {};
names.removeWhere((name, dyn) {
final jsonObject = Map<String, dynamic>.from(dyn as Map);
try {
Coin.values.byName(jsonObject["coin"] as String);
return false;
} catch (e, s) {
Logging.instance.log(
"Error, ${jsonObject["coin"]} does not exist, $name wallet cannot be loaded",
level: LogLevel.Error);
return true;
}
});
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final mapped = Map<String, dynamic>.from(names).map((name, dyn) => MapEntry(
name, WalletInfo.fromJson(Map<String, dynamic>.from(dyn as Map))));
for (final entry in mapped.entries) {
if (Hive.isBoxOpen(entry.value.walletId)) {
_walletBoxes[entry.value.walletId] =
Hive.box<dynamic>(entry.value.walletId);
} else {
_walletBoxes[entry.value.walletId] =
await Hive.openBox<dynamic>(entry.value.walletId);
}
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}
}
Future<void> _loadSharedCoinCacheBoxes() async {
for (final coin in Coin.values) {
_txCacheBoxes[coin] =
await Hive.openBox<dynamic>(boxNameTxCache(coin: coin));
_setCacheBoxes[coin] =
await Hive.openBox<dynamic>(boxNameSetCache(coin: coin));
_usedSerialsCacheBoxes[coin] =
await Hive.openBox<dynamic>(boxNameUsedSerialsCache(coin: coin));
}
}
/////////////////////////////////////////
Future<void> addWalletBox({required String walletId}) async {
if (_walletBoxes[walletId] != null) {
throw Exception("Attempted overwrite of existing wallet box!");
}
_walletBoxes[walletId] = await Hive.openBox<dynamic>(walletId);
}
Future<void> removeWalletBox({required String walletId}) async {
_walletBoxes.remove(walletId);
}
///////////////////////////////////////////
// reads
List<dynamic> keys<T>({required String boxName}) =>
Hive.box<T>(boxName).keys.toList(growable: false);
List<T> values<T>({required String boxName}) =>
Hive.box<T>(boxName).values.toList(growable: false);
T? get<T>({
required String boxName,
required dynamic key,
}) =>
Hive.box<T>(boxName).get(key);
bool containsKey<T>({required String boxName, required dynamic key}) =>
Hive.box<T>(boxName).containsKey(key);
// writes
Future<void> put<T>(
{required String boxName,
required dynamic key,
required T value}) async =>
await mutex
.protect(() async => await Hive.box<T>(boxName).put(key, value));
Future<void> add<T>({required String boxName, required T value}) async =>
await mutex.protect(() async => await Hive.box<T>(boxName).add(value));
Future<void> addAll<T>(
{required String boxName, required Iterable<T> values}) async =>
await mutex
.protect(() async => await Hive.box<T>(boxName).addAll(values));
Future<void> delete<T>(
{required dynamic key, required String boxName}) async =>
await mutex.protect(() async => await Hive.box<T>(boxName).delete(key));
Future<void> deleteAll<T>({required String boxName}) async =>
await mutex.protect(() async => await Hive.box<T>(boxName).clear());
Future<void> deleteBoxFromDisk({required String boxName}) async =>
await mutex.protect(() async => await Hive.deleteBoxFromDisk(boxName));
}
abstract class DBKeys {
static const String cachedBalance = "cachedBalance";
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static const String cachedBalanceSecondary = "cachedBalanceSecondary";
static const String isFavorite = "isFavorite";
static const String id = "id";
static const String storedChainHeight = "storedChainHeight";
}