stack_wallet/lib/main.dart

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Dart
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import 'dart:async';
import 'dart:io';
import 'package:cw_core/node.dart';
import 'package:cw_core/unspent_coins_info.dart';
import 'package:cw_core/wallet_info.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_libmonero/monero/monero.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:isar/isar.dart';
import 'package:keyboard_dismisser/keyboard_dismisser.dart';
import 'package:path_provider/path_provider.dart';
import 'package:stackwallet/hive/db.dart';
import 'package:stackwallet/models/exchange/change_now/exchange_transaction.dart';
import 'package:stackwallet/models/exchange/change_now/exchange_transaction_status.dart';
import 'package:stackwallet/models/isar/models/log.dart';
import 'package:stackwallet/models/models.dart';
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/pages/exchange_view/exchange_view.dart';
import 'package:stackwallet/pages/home_view/home_view.dart';
import 'package:stackwallet/pages/intro_view.dart';
import 'package:stackwallet/pages/loading_view.dart';
import 'package:stackwallet/pages/pinpad_views/create_pin_view.dart';
import 'package:stackwallet/pages/pinpad_views/lock_screen_view.dart';
import 'package:stackwallet/pages/settings_views/global_settings_view/stack_backup_views/restore_from_encrypted_string_view.dart';
import 'package:stackwallet/providers/exchange/available_currencies_state_provider.dart';
import 'package:stackwallet/providers/exchange/available_floating_rate_pairs_state_provider.dart';
import 'package:stackwallet/providers/exchange/change_now_provider.dart';
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import 'package:stackwallet/providers/exchange/changenow_initial_load_status.dart';
import 'package:stackwallet/providers/exchange/estimate_rate_exchange_form_provider.dart';
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import 'package:stackwallet/providers/exchange/fixed_rate_exchange_form_provider.dart';
import 'package:stackwallet/providers/exchange/fixed_rate_market_pairs_provider.dart';
import 'package:stackwallet/providers/global/auto_swb_service_provider.dart';
import 'package:stackwallet/providers/global/base_currencies_provider.dart';
// import 'package:stackwallet/providers/global/has_authenticated_start_state_provider.dart';
import 'package:stackwallet/providers/global/trades_service_provider.dart';
import 'package:stackwallet/providers/providers.dart';
import 'package:stackwallet/route_generator.dart';
import 'package:stackwallet/services/debug_service.dart';
import 'package:stackwallet/services/locale_service.dart';
import 'package:stackwallet/services/node_service.dart';
import 'package:stackwallet/services/notifications_api.dart';
import 'package:stackwallet/services/notifications_service.dart';
import 'package:stackwallet/services/trade_service.dart';
import 'package:stackwallet/services/wallets.dart';
import 'package:stackwallet/utilities/cfcolors.dart';
import 'package:stackwallet/utilities/constants.dart';
import 'package:stackwallet/utilities/enums/backup_frequency_type.dart';
import 'package:stackwallet/utilities/logger.dart';
import 'package:stackwallet/utilities/prefs.dart';
import 'package:stackwallet/utilities/text_styles.dart';
final openedFromSWBFileStringStateProvider =
StateProvider<String?>((ref) => null);
// main() is the entry point to the app. It initializes Hive (local database),
// runs the MyApp widget and checks for new users, caching the value in the
// miscellaneous box for later use
void main() async {
WidgetsBinding widgetsBinding = WidgetsFlutterBinding.ensureInitialized();
Directory appDirectory = (await getApplicationDocumentsDirectory());
if (Platform.isIOS) {
appDirectory = (await getLibraryDirectory());
}
// FlutterNativeSplash.preserve(widgetsBinding: widgetsBinding);
await Hive.initFlutter(appDirectory.path);
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if (!(Logging.isArmLinux || Logging.isTestEnv)) {
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final isar = await Isar.open(
[LogSchema],
directory: appDirectory.path,
inspector: false,
);
await Logging.instance.init(isar);
await DebugService.instance.init(isar);
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// clear out all info logs on startup. No need to await and block
unawaited(DebugService.instance.purgeInfoLogs());
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}
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// Registering Transaction Model Adapters
Hive.registerAdapter(TransactionDataAdapter());
Hive.registerAdapter(TransactionChunkAdapter());
Hive.registerAdapter(TransactionAdapter());
Hive.registerAdapter(InputAdapter());
Hive.registerAdapter(OutputAdapter());
// Registering Utxo Model Adapters
Hive.registerAdapter(UtxoDataAdapter());
Hive.registerAdapter(UtxoObjectAdapter());
Hive.registerAdapter(StatusAdapter());
// Registering Lelantus Model Adapters
Hive.registerAdapter(LelantusCoinAdapter());
// notification model adapter
Hive.registerAdapter(NotificationModelAdapter());
// change now trade adapters
Hive.registerAdapter(ExchangeTransactionAdapter());
Hive.registerAdapter(ExchangeTransactionStatusAdapter());
// reference lookup data adapter
Hive.registerAdapter(TradeWalletLookupAdapter());
// node model adapter
Hive.registerAdapter(NodeModelAdapter());
Hive.registerAdapter(NodeAdapter());
Hive.registerAdapter(WalletInfoAdapter());
Hive.registerAdapter(WalletTypeAdapter());
Hive.registerAdapter(UnspentCoinsInfoAdapter());
monero.onStartup();
// final wallets = await Hive.openBox('wallets');
// await wallets.put('currentWalletName', "");
// NOT USED YET
// int dbVersion = await wallets.get("db_version");
// if (dbVersion == null || dbVersion < Constants.currentDbVersion) {
// if (dbVersion == null) dbVersion = 0;
// await DbVersionMigrator().migrate(dbVersion);
// }
// SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
// overlays: [SystemUiOverlay.bottom]);
await NotificationApi.init();
runApp(const ProviderScope(child: MyApp()));
}
/// MyApp initialises relevant services with a MultiProvider
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
final localeService = LocaleService();
localeService.loadLocale();
return const KeyboardDismisser(
child: MaterialAppWithTheme(),
);
}
}
// Sidenote: MaterialAppWithTheme and InitView are only separated for clarity. No other reason.
class MaterialAppWithTheme extends ConsumerStatefulWidget {
const MaterialAppWithTheme({
Key? key,
}) : super(key: key);
@override
ConsumerState<MaterialAppWithTheme> createState() =>
_MaterialAppWithThemeState();
}
class _MaterialAppWithThemeState extends ConsumerState<MaterialAppWithTheme>
with WidgetsBindingObserver {
static const platform = MethodChannel("STACK_WALLET_RESTORE");
final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
late final Wallets _wallets;
late final Prefs _prefs;
late final NotificationsService _notificationsService;
late final NodeService _nodeService;
late final TradesService _tradesService;
late final Completer<void> loadingCompleter;
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bool didLoad = false;
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Future<void> load() async {
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if (didLoad) {
return;
}
didLoad = true;
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await DB.instance.init();
_notificationsService = ref.read(notificationsProvider);
_nodeService = ref.read(nodeServiceChangeNotifierProvider);
_tradesService = ref.read(tradesServiceProvider);
NotificationApi.prefs = _prefs;
NotificationApi.notificationsService = _notificationsService;
unawaited(ref.read(baseCurrenciesProvider).update());
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await _nodeService.updateDefaults();
await _notificationsService.init(
nodeService: _nodeService,
tradesService: _tradesService,
prefs: _prefs,
changeNow: ref.read(changeNowProvider),
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);
await _prefs.init();
ref.read(priceAnd24hChangeNotifierProvider).start(true);
await _wallets.load(_prefs);
loadingCompleter.complete();
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// TODO: this should probably run unawaited. Keep commented out for now as proper community nodes ui hasn't been implemented yet
// unawaited(_nodeService.updateCommunityNodes());
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if (_prefs.isAutoBackupEnabled) {
switch (_prefs.backupFrequencyType) {
case BackupFrequencyType.everyTenMinutes:
ref
.read(autoSWBServiceProvider)
.startPeriodicBackupTimer(duration: const Duration(minutes: 10));
break;
case BackupFrequencyType.everyAppStart:
unawaited(ref.read(autoSWBServiceProvider).doBackup());
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break;
case BackupFrequencyType.afterClosingAWallet:
// ignore this case here
break;
}
}
}
Future<void> _loadChangeNowStandardCurrencies() async {
if (ref
.read(availableChangeNowCurrenciesStateProvider.state)
.state
.isNotEmpty &&
ref
.read(availableFloatingRatePairsStateProvider.state)
.state
.isNotEmpty) {
return;
}
final response = await ref.read(changeNowProvider).getAvailableCurrencies();
final response2 =
await ref.read(changeNowProvider).getAvailableFloatingRatePairs();
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if (response.value != null) {
ref.read(availableChangeNowCurrenciesStateProvider.state).state =
response.value!;
if (response2.value != null) {
ref.read(availableFloatingRatePairsStateProvider.state).state =
response2.value!;
if (response.value!.length > 1) {
if (ref.read(estimatedRateExchangeFormProvider).from == null) {
if (response.value!.where((e) => e.ticker == "btc").isNotEmpty) {
await ref.read(estimatedRateExchangeFormProvider).updateFrom(
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response.value!.firstWhere((e) => e.ticker == "btc"), false);
}
}
if (ref.read(estimatedRateExchangeFormProvider).to == null) {
if (response.value!.where((e) => e.ticker == "doge").isNotEmpty) {
await ref.read(estimatedRateExchangeFormProvider).updateTo(
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response.value!.firstWhere((e) => e.ticker == "doge"), false);
}
}
}
} else {
Logging.instance.log(
"Failed to load changeNOW available floating rate pairs: ${response2.exception?.errorMessage}",
level: LogLevel.Error);
ref.read(changeNowEstimatedInitialLoadStatusStateProvider.state).state =
ChangeNowLoadStatus.failed;
return;
}
} else {
Logging.instance.log(
"Failed to load changeNOW currencies: ${response.exception?.errorMessage}",
level: LogLevel.Error);
await Future<void>.delayed(const Duration(seconds: 1));
ref.read(changeNowEstimatedInitialLoadStatusStateProvider.state).state =
ChangeNowLoadStatus.failed;
return;
}
ref.read(changeNowEstimatedInitialLoadStatusStateProvider.state).state =
ChangeNowLoadStatus.success;
}
Future<void> _loadFixedRateMarkets() async {
Logging.instance.log("Starting initial fixed rate market data loading...",
level: LogLevel.Info);
if (ref.read(fixedRateMarketPairsStateProvider.state).state.isNotEmpty) {
return;
}
final response3 =
await ref.read(changeNowProvider).getAvailableFixedRateMarkets();
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if (response3.value != null) {
ref.read(fixedRateMarketPairsStateProvider.state).state =
response3.value!;
if (ref.read(fixedRateExchangeFormProvider).market == null) {
final matchingMarkets =
response3.value!.where((e) => e.to == "doge" && e.from == "btc");
if (matchingMarkets.isNotEmpty) {
await ref
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.read(fixedRateExchangeFormProvider)
.updateMarket(matchingMarkets.first, true);
}
}
Logging.instance.log("Initial fixed rate market data loading complete.",
level: LogLevel.Info);
} else {
Logging.instance.log(
"Failed to load changeNOW fixed rate markets: ${response3.exception?.errorMessage}",
level: LogLevel.Error);
ref.read(changeNowFixedInitialLoadStatusStateProvider.state).state =
ChangeNowLoadStatus.failed;
return;
}
ref.read(changeNowFixedInitialLoadStatusStateProvider.state).state =
ChangeNowLoadStatus.success;
}
Future<void> _loadChangeNowData() async {
List<Future<dynamic>> concurrentFutures = [];
concurrentFutures.add(_loadChangeNowStandardCurrencies());
if (kFixedRateEnabled) {
concurrentFutures.add(_loadFixedRateMarkets());
}
}
@override
void initState() {
loadingCompleter = Completer();
WidgetsBinding.instance.addObserver(this);
// load locale and prefs
ref
.read(localeServiceChangeNotifierProvider.notifier)
.loadLocale(notify: false);
_prefs = ref.read(prefsChangeNotifierProvider);
_wallets = ref.read(walletsChangeNotifierProvider);
WidgetsBinding.instance.addPostFrameCallback((_) async {
// fetch open file if it exists
await getOpenFile();
if (ref.read(openedFromSWBFileStringStateProvider.state).state != null) {
// waiting for loading to complete before going straight to restore if the app was opened via file
await loadingCompleter.future;
await goToRestoreSWB(
ref.read(openedFromSWBFileStringStateProvider.state).state!);
ref.read(openedFromSWBFileStringStateProvider.state).state = null;
}
// ref.read(shouldShowLockscreenOnResumeStateProvider.state).state = false;
});
super.initState();
}
@override
dispose() {
WidgetsBinding.instance.removeObserver(this);
super.dispose();
}
@override
void didChangeAppLifecycleState(AppLifecycleState state) async {
debugPrint("didChangeAppLifecycleState: ${state.name}");
if (state == AppLifecycleState.resumed) {}
switch (state) {
case AppLifecycleState.inactive:
break;
case AppLifecycleState.paused:
break;
case AppLifecycleState.resumed:
// fetch open file if it exists
await getOpenFile();
// go straight to restore if the app was resumed via file
if (ref.read(openedFromSWBFileStringStateProvider.state).state !=
null) {
await goToRestoreSWB(
ref.read(openedFromSWBFileStringStateProvider.state).state!);
ref.read(openedFromSWBFileStringStateProvider.state).state = null;
}
// if (ref.read(hasAuthenticatedOnStartStateProvider.state).state &&
// ref.read(shouldShowLockscreenOnResumeStateProvider.state).state) {
// final now = DateTime.now().toUtc().millisecondsSinceEpoch ~/ 1000;
//
// if (now - _prefs.lastUnlocked > _prefs.lastUnlockedTimeout) {
// ref.read(shouldShowLockscreenOnResumeStateProvider.state).state =
// false;
// Navigator.of(navigatorKey.currentContext!).push(
// MaterialPageRoute<dynamic>(
// builder: (_) => LockscreenView(
// routeOnSuccess: "",
// popOnSuccess: true,
// biometricsAuthenticationTitle: "Unlock Stack",
// biometricsLocalizedReason:
// "Unlock your stack wallet using biometrics",
// biometricsCancelButtonString: "Cancel",
// onSuccess: () {
// ref
// .read(shouldShowLockscreenOnResumeStateProvider.state)
// .state = true;
// },
// ),
// ),
// );
// }
// }
break;
case AppLifecycleState.detached:
break;
}
}
Future<void> getOpenFile() async {
// update provider with new file content state
ref.read(openedFromSWBFileStringStateProvider.state).state =
await platform.invokeMethod("getOpenFile");
// call reset to clear cached value
await resetOpenPath();
Logging.instance.log(
"This is the .swb content from intent: ${ref.read(openedFromSWBFileStringStateProvider.state).state}",
level: LogLevel.Info);
}
Future<void> resetOpenPath() async {
await platform.invokeMethod("resetOpenPath");
}
Future<void> goToRestoreSWB(String encrypted) async {
if (!_prefs.hasPin) {
await Navigator.of(navigatorKey.currentContext!)
.pushNamed(CreatePinView.routeName, arguments: true)
.then((value) {
if (value is! bool || value == false) {
Navigator.of(navigatorKey.currentContext!).pushNamed(
RestoreFromEncryptedStringView.routeName,
arguments: encrypted);
}
});
} else {
unawaited(Navigator.push(
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navigatorKey.currentContext!,
RouteGenerator.getRoute(
shouldUseMaterialRoute: RouteGenerator.useMaterialPageRoute,
builder: (_) => LockscreenView(
showBackButton: true,
routeOnSuccess: RestoreFromEncryptedStringView.routeName,
routeOnSuccessArguments: encrypted,
biometricsCancelButtonString: "CANCEL",
biometricsLocalizedReason:
"Authenticate to restore Stack Wallet backup",
biometricsAuthenticationTitle: "Restore Stack backup",
),
settings: const RouteSettings(name: "/swbrestorelockscreen"),
),
));
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}
}
InputBorder _buildOutlineInputBorder(Color color) {
return OutlineInputBorder(
borderSide: BorderSide(
width: 1,
color: color,
),
borderRadius: BorderRadius.circular(Constants.size.circularBorderRadius),
);
}
@override
Widget build(BuildContext context) {
debugPrint("BUILD: $runtimeType");
// ref.listen(shouldShowLockscreenOnResumeStateProvider, (previous, next) {
// Logging.instance.log("shouldShowLockscreenOnResumeStateProvider set to: $next",
// addToDebugMessagesDB: false);
// });
return MaterialApp(
key: GlobalKey(),
navigatorKey: navigatorKey,
title: 'Stack Wallet',
onGenerateRoute: RouteGenerator.generateRoute,
theme: ThemeData(
highlightColor: CFColors.splashLight,
brightness: Brightness.light,
fontFamily: GoogleFonts.inter().fontFamily,
textTheme: GoogleFonts.interTextTheme().copyWith(
button: STextStyles.button,
),
radioTheme: const RadioThemeData(
splashRadius: 0,
materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
),
// splashFactory: NoSplash.splashFactory,
splashColor: Colors.transparent,
buttonTheme: const ButtonThemeData(
splashColor: CFColors.splashMed,
),
textButtonTheme: TextButtonThemeData(
style: ButtonStyle(
// splashFactory: NoSplash.splashFactory,
overlayColor: MaterialStateProperty.all(CFColors.splashMed),
minimumSize: MaterialStateProperty.all<Size>(const Size(46, 46)),
textStyle: MaterialStateProperty.all<TextStyle>(STextStyles.button),
foregroundColor: MaterialStateProperty.all(CFColors.white),
backgroundColor:
MaterialStateProperty.all<Color>(CFColors.buttonGray),
shape: MaterialStateProperty.all<OutlinedBorder>(
RoundedRectangleBorder(
// 1000 to be relatively sure it keeps its pill shape
borderRadius: BorderRadius.circular(1000),
),
),
),
),
primaryColor: CFColors.stackAccent,
primarySwatch: CFColors.createMaterialColor(CFColors.stackAccent),
checkboxTheme: CheckboxThemeData(
splashRadius: 0,
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.circular(Constants.size.checkboxBorderRadius),
),
checkColor: MaterialStateColor.resolveWith(
(state) {
if (state.contains(MaterialState.selected)) {
return CFColors.white;
}
return CFColors.link2;
},
),
fillColor: MaterialStateColor.resolveWith(
(states) {
if (states.contains(MaterialState.selected)) {
return CFColors.link2;
}
return CFColors.disabledButton;
},
),
),
appBarTheme: const AppBarTheme(
centerTitle: false,
color: CFColors.almostWhite,
elevation: 0,
),
inputDecorationTheme: InputDecorationTheme(
focusColor: CFColors.fieldGray,
fillColor: CFColors.fieldGray,
filled: true,
contentPadding: const EdgeInsets.symmetric(
vertical: 6,
horizontal: 12,
),
labelStyle: STextStyles.fieldLabel,
hintStyle: STextStyles.fieldLabel,
enabledBorder: _buildOutlineInputBorder(CFColors.fieldGray),
focusedBorder: _buildOutlineInputBorder(CFColors.fieldGray),
errorBorder: _buildOutlineInputBorder(CFColors.fieldGray),
disabledBorder: _buildOutlineInputBorder(CFColors.fieldGray),
focusedErrorBorder: _buildOutlineInputBorder(CFColors.fieldGray),
),
),
home: FutureBuilder(
future: load(),
builder: (BuildContext context, AsyncSnapshot<void> snapshot) {
if (snapshot.connectionState == ConnectionState.done) {
// FlutterNativeSplash.remove();
if (_wallets.hasWallets || _prefs.hasPin) {
// return HomeView();
// run without awaiting
if (Constants.enableExchange) {
_loadChangeNowData();
}
return const LockscreenView(
isInitialAppLogin: true,
routeOnSuccess: HomeView.routeName,
biometricsAuthenticationTitle: "Unlock Stack",
biometricsLocalizedReason:
"Unlock your stack wallet using biometrics",
biometricsCancelButtonString: "Cancel",
);
} else {
return const IntroView();
}
} else {
// CURRENTLY DISABLED as cannot be animated
// technically not needed as FlutterNativeSplash will overlay
// anything returned here until the future completes but
// FutureBuilder requires you to return something
return const LoadingView();
}
},
),
);
}
}