mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-11-17 17:57:40 +00:00
414 lines
15 KiB
Dart
414 lines
15 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:stackwallet/notifications/show_flush_bar.dart';
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import 'package:stackwallet/pages/home_view/home_view.dart';
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import 'package:stackwallet/pages/wallet_view/wallet_view.dart';
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// import 'package:stackwallet/providers/global/has_authenticated_start_state_provider.dart';
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import 'package:stackwallet/providers/global/prefs_provider.dart';
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import 'package:stackwallet/providers/global/secure_store_provider.dart';
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import 'package:stackwallet/providers/global/wallets_provider.dart';
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// import 'package:stackwallet/providers/global/should_show_lockscreen_on_resume_state_provider.dart';
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import 'package:stackwallet/utilities/assets.dart';
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import 'package:stackwallet/utilities/biometrics.dart';
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import 'package:stackwallet/utilities/constants.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/show_loading.dart';
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import 'package:stackwallet/utilities/text_styles.dart';
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import 'package:stackwallet/utilities/theme/stack_colors.dart';
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import 'package:stackwallet/widgets/background.dart';
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import 'package:stackwallet/widgets/custom_buttons/app_bar_icon_button.dart';
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import 'package:stackwallet/widgets/custom_pin_put/custom_pin_put.dart';
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import 'package:stackwallet/widgets/shake/shake.dart';
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import 'package:tuple/tuple.dart';
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class LockscreenView extends ConsumerStatefulWidget {
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const LockscreenView({
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Key? key,
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required this.routeOnSuccess,
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required this.biometricsAuthenticationTitle,
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required this.biometricsLocalizedReason,
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required this.biometricsCancelButtonString,
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this.showBackButton = false,
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this.popOnSuccess = false,
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this.isInitialAppLogin = false,
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this.routeOnSuccessArguments,
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this.biometrics = const Biometrics(),
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this.onSuccess,
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}) : super(key: key);
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static const String routeName = "/lockscreen";
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final String routeOnSuccess;
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final Object? routeOnSuccessArguments;
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final bool showBackButton;
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final bool popOnSuccess;
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final bool isInitialAppLogin;
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final String biometricsAuthenticationTitle;
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final String biometricsLocalizedReason;
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final String biometricsCancelButtonString;
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final Biometrics biometrics;
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final VoidCallback? onSuccess;
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@override
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ConsumerState<LockscreenView> createState() => _LockscreenViewState();
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}
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class _LockscreenViewState extends ConsumerState<LockscreenView> {
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late final ShakeController _shakeController;
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late int _attempts;
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bool _attemptLock = false;
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late Duration _timeout;
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static const maxAttemptsBeforeThrottling = 3;
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Timer? _timer;
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Future<void> _onUnlock() async {
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final now = DateTime.now().toUtc();
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ref.read(prefsChangeNotifierProvider).lastUnlocked =
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now.millisecondsSinceEpoch ~/ 1000;
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// if (widget.isInitialAppLogin) {
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// ref.read(hasAuthenticatedOnStartStateProvider.state).state = true;
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// ref.read(shouldShowLockscreenOnResumeStateProvider.state).state = true;
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// }
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widget.onSuccess?.call();
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if (widget.popOnSuccess) {
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Navigator.of(context).pop(widget.routeOnSuccessArguments);
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} else {
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final loadIntoWallet = widget.routeOnSuccess == HomeView.routeName &&
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widget.routeOnSuccessArguments is String;
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if (loadIntoWallet) {
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final walletId = widget.routeOnSuccessArguments as String;
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final manager =
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ref.read(walletsChangeNotifierProvider).getManager(walletId);
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if (manager.coin == Coin.monero) {
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await showLoading(
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opaqueBG: true,
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whileFuture: manager.initializeExisting(),
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context: context,
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message: "Loading ${manager.coin.prettyName} wallet...",
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);
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}
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}
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if (mounted) {
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unawaited(
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Navigator.of(context).pushReplacementNamed(
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widget.routeOnSuccess,
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arguments: widget.routeOnSuccessArguments,
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),
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);
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if (loadIntoWallet) {
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final walletId = widget.routeOnSuccessArguments as String;
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unawaited(
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Navigator.of(context).pushNamed(
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WalletView.routeName,
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arguments: Tuple2(
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walletId,
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ref
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.read(walletsChangeNotifierProvider)
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.getManagerProvider(walletId),
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),
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),
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);
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}
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}
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}
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}
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Future<void> _checkUseBiometrics() async {
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if (!ref.read(prefsChangeNotifierProvider).isInitialized) {
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await ref.read(prefsChangeNotifierProvider).init();
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}
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final bool useBiometrics =
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ref.read(prefsChangeNotifierProvider).useBiometrics;
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final title = widget.biometricsAuthenticationTitle;
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final localizedReason = widget.biometricsLocalizedReason;
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final cancelButtonText = widget.biometricsCancelButtonString;
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if (useBiometrics) {
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if (await biometrics.authenticate(
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title: title,
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localizedReason: localizedReason,
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cancelButtonText: cancelButtonText)) {
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// check if initial log in
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// if (widget.routeOnSuccess == "/mainview") {
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// await logIn(await walletsService.networkName, currentWalletName,
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// await walletsService.getWalletId(currentWalletName));
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// }
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unawaited(_onUnlock());
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}
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// leave this commented to enable pin fall back should biometrics not work properly
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// else {
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// Navigator.pop(context);
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// }
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}
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}
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@override
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void didChangeDependencies() {
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if (widget.isInitialAppLogin) {
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unawaited(Assets.precache(context));
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}
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super.didChangeDependencies();
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}
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@override
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void initState() {
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_shakeController = ShakeController();
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_secureStore = ref.read(secureStoreProvider);
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biometrics = widget.biometrics;
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_attempts = 0;
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_timeout = Duration.zero;
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_checkUseBiometrics();
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super.initState();
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}
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@override
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dispose() {
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// _shakeController.dispose();
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super.dispose();
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}
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BoxDecoration get _pinPutDecoration {
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return BoxDecoration(
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color: Theme.of(context).extension<StackColors>()!.textSubtitle2,
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border: Border.all(
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width: 1,
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color: Theme.of(context).extension<StackColors>()!.textSubtitle2),
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borderRadius: BorderRadius.circular(6),
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);
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}
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final _pinTextController = TextEditingController();
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final FocusNode _pinFocusNode = FocusNode();
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late SecureStorageInterface _secureStore;
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late Biometrics biometrics;
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Widget get _body => Background(
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child: Scaffold(
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backgroundColor:
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Theme.of(context).extension<StackColors>()!.background,
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appBar: AppBar(
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leading: widget.showBackButton
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? AppBarBackButton(
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onPressed: () async {
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if (FocusScope.of(context).hasFocus) {
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FocusScope.of(context).unfocus();
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await Future<void>.delayed(
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const Duration(milliseconds: 70));
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}
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if (mounted) {
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Navigator.of(context).pop();
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}
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},
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)
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: Container(),
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),
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body: SafeArea(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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// check prefs and hide if user has biometrics toggle off?
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Padding(
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padding: const EdgeInsets.only(right: 40.0),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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if (ref.read(prefsChangeNotifierProvider).useBiometrics ==
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true)
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CustomTextButton(
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text: "Use biometrics",
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onTap: () async {
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await _checkUseBiometrics();
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},
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),
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],
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),
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),
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const SizedBox(
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height: 55,
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),
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Shake(
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animationDuration: const Duration(milliseconds: 700),
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animationRange: 12,
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controller: _shakeController,
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child: Center(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Center(
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child: Text(
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"Enter PIN",
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style: STextStyles.pageTitleH1(context),
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),
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),
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const SizedBox(
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height: 52,
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),
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CustomPinPut(
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// customKey: CustomKey(
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// onPressed: _checkUseBiometrics,
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// iconAssetName: Platform.isIOS
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// ? Assets.svg.faceId
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// : Assets.svg.fingerprint,
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// ),
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fieldsCount: Constants.pinLength,
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eachFieldHeight: 12,
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eachFieldWidth: 12,
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textStyle: STextStyles.label(context).copyWith(
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fontSize: 1,
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),
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focusNode: _pinFocusNode,
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controller: _pinTextController,
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useNativeKeyboard: false,
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obscureText: "",
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inputDecoration: InputDecoration(
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border: InputBorder.none,
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enabledBorder: InputBorder.none,
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focusedBorder: InputBorder.none,
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disabledBorder: InputBorder.none,
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errorBorder: InputBorder.none,
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focusedErrorBorder: InputBorder.none,
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fillColor: Theme.of(context)
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.extension<StackColors>()!
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.background,
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counterText: "",
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),
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submittedFieldDecoration: _pinPutDecoration.copyWith(
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color: Theme.of(context)
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.extension<StackColors>()!
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.infoItemIcons,
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border: Border.all(
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width: 1,
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color: Theme.of(context)
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.extension<StackColors>()!
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.infoItemIcons,
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),
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),
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selectedFieldDecoration: _pinPutDecoration,
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followingFieldDecoration: _pinPutDecoration,
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onSubmit: (String pin) async {
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_attempts++;
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if (_attempts > maxAttemptsBeforeThrottling) {
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_attemptLock = true;
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switch (_attempts) {
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case 4:
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_timeout = const Duration(seconds: 30);
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break;
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case 5:
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_timeout = const Duration(seconds: 60);
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break;
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case 6:
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_timeout = const Duration(minutes: 5);
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break;
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case 7:
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_timeout = const Duration(minutes: 10);
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break;
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case 8:
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_timeout = const Duration(minutes: 20);
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break;
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case 9:
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_timeout = const Duration(minutes: 30);
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break;
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default:
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_timeout = const Duration(minutes: 60);
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}
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_timer?.cancel();
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_timer = Timer(_timeout, () {
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_attemptLock = false;
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_attempts = 0;
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});
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}
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if (_attemptLock) {
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String prettyTime = "";
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if (_timeout.inSeconds >= 60) {
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prettyTime += "${_timeout.inMinutes} minutes";
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} else {
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prettyTime += "${_timeout.inSeconds} seconds";
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}
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unawaited(showFloatingFlushBar(
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type: FlushBarType.warning,
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message:
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"Incorrect PIN entered too many times. Please wait $prettyTime",
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context: context,
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iconAsset: Assets.svg.alertCircle,
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));
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await Future<void>.delayed(
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const Duration(milliseconds: 100));
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_pinTextController.text = '';
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return;
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}
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final storedPin =
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await _secureStore.read(key: 'stack_pin');
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if (storedPin == pin) {
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await Future<void>.delayed(
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const Duration(milliseconds: 200));
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unawaited(_onUnlock());
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} else {
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unawaited(_shakeController.shake());
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unawaited(showFloatingFlushBar(
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type: FlushBarType.warning,
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message: "Incorrect PIN. Please try again",
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context: context,
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iconAsset: Assets.svg.alertCircle,
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));
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await Future<void>.delayed(
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const Duration(milliseconds: 100));
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_pinTextController.text = '';
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}
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},
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),
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],
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),
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),
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),
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],
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),
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),
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),
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);
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@override
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Widget build(BuildContext context) {
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return widget.showBackButton
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? _body
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: WillPopScope(
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onWillPop: () async {
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return widget.showBackButton;
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},
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child: _body,
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);
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}
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}
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