mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-23 03:59:23 +00:00
ae80fb3b55
* feat: Switch UI for seeds display * feat: Add localization for disclaimer text * fix: Modify color for warning on seeds screen * Fix: Adjust UI styling for seed page * chore: Revert podfile.lock * Fix column colors * Fix more colors * Fix more colors and update strings * feat: Enforce Seed Verification Implementation * fix: Error extracting seed words in Japanese because of spacing type used * fix: Modify styling for copy image button * fix: Add back button to the seed page and adjust styling to seed verification question text * Update seed verification image [skip ci] * Update description text weight [skip ci] * Make seed page wider * Seed page changes --------- Co-authored-by: tuxpizza <tuxsudo@tux.pizza> Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
118 lines
3.2 KiB
Dart
118 lines
3.2 KiB
Dart
import 'dart:math';
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import 'package:cake_wallet/utils/feature_flag.dart';
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import 'package:mobx/mobx.dart';
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import 'package:cw_core/wallet_base.dart';
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part 'wallet_seed_view_model.g.dart';
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class WalletSeedViewModel = WalletSeedViewModelBase with _$WalletSeedViewModel;
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abstract class WalletSeedViewModelBase with Store {
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WalletSeedViewModelBase(WalletBase wallet)
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: name = wallet.name,
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seed = wallet.seed!,
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currentOptions = ObservableList<String>(),
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verificationIndices = ObservableList<int>() {
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setupSeedVerification();
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}
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@observable
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String name;
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@observable
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String seed;
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/// The Regex split the words based on any whitespace character.
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///
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/// Either standard ASCII space (U+0020) or the full-width space character (U+3000) used by the Japanese.
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List<String> get seedSplit => seed.split(RegExp(r'\s+'));
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int get columnCount => seedSplit.length <= 16 ? 2 : 3;
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double get columnAspectRatio => seedSplit.length <= 16 ? 1.8 : 2.8;
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/// The indices of the seed to be verified.
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ObservableList<int> verificationIndices;
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/// The index of the word in verificationIndices being verified.
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@observable
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int currentStepIndex = 0;
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/// The options to be displayed on the page for the current seed step.
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///
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/// The user has to choose from these.
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ObservableList<String> currentOptions;
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/// The number of words to be verified, linked to a Feature Flag so we can easily modify it.
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int get verificationWordCount => FeatureFlag.verificationWordsCount;
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/// Then number of wrong entries the user has selected;
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///
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/// Routes the view to the seed screen if it's up to two.
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@observable
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int wrongEntries = 0;
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int get currentWordIndex => verificationIndices[currentStepIndex];
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String get currentCorrectWord => seedSplit[currentWordIndex];
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@observable
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bool isVerificationComplete = false;
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void setupSeedVerification() {
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generateRandomIndices();
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generateOptions();
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}
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/// Generate the indices of the seeds to be verified.
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///
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/// Structured to be as random as possible.
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@action
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void generateRandomIndices() {
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verificationIndices.clear();
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final random = Random();
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final indices = <int>[];
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while (indices.length < verificationWordCount) {
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final i = random.nextInt(seedSplit.length);
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if (!indices.contains(i)) {
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indices.add(i);
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}
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}
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verificationIndices.addAll(indices);
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}
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/// Generates the options for each index being verified.
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@action
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void generateOptions() {
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currentOptions.clear();
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final correctWord = currentCorrectWord;
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final incorrectWords = seedSplit.where((word) => word != correctWord).toList();
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incorrectWords.shuffle();
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final options = [correctWord, ...incorrectWords.take(5)];
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options.shuffle();
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currentOptions.addAll(options);
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}
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bool isChosenWordCorrect(String chosenWord) {
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if (chosenWord == currentCorrectWord) {
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wrongEntries = 0;
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if (currentStepIndex + 1 < verificationWordCount) {
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currentStepIndex++;
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generateOptions();
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} else {
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// All verification steps completed
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isVerificationComplete = true;
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}
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return true;
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} else {
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wrongEntries++;
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return false;
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}
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}
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}
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