mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-25 13:09:32 +00:00
102 lines
3.2 KiB
Dart
102 lines
3.2 KiB
Dart
import 'package:cake_wallet/core/fiat_conversion_service.dart';
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import 'package:cake_wallet/entities/fiat_api_mode.dart';
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import 'package:cake_wallet/entities/sort_balance_types.dart';
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import 'package:cake_wallet/ethereum/ethereum.dart';
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import 'package:cake_wallet/store/settings_store.dart';
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import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/erc20_token.dart';
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import 'package:mobx/mobx.dart';
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part 'home_settings_view_model.g.dart';
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class HomeSettingsViewModel = HomeSettingsViewModelBase with _$HomeSettingsViewModel;
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abstract class HomeSettingsViewModelBase with Store {
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HomeSettingsViewModelBase(this._settingsStore, this._balanceViewModel)
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: tokens = ObservableSet<Erc20Token>() {
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_updateTokensList();
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}
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final SettingsStore _settingsStore;
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final BalanceViewModel _balanceViewModel;
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final ObservableSet<Erc20Token> tokens;
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@observable
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String searchText = '';
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@computed
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SortBalanceBy get sortBalanceBy => _settingsStore.sortBalanceBy;
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@action
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void setSortBalanceBy(SortBalanceBy value) => _settingsStore.sortBalanceBy = value;
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@computed
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bool get pinNativeToken => _settingsStore.pinNativeTokenAtTop;
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@action
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void setPinNativeToken(bool value) => _settingsStore.pinNativeTokenAtTop = value;
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Future<void> addErc20Token(Erc20Token token) async {
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await ethereum!.addErc20Token(_balanceViewModel.wallet, token);
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_updateFiatPrices(token);
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}
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Future<void> deleteErc20Token(Erc20Token token) async {
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await ethereum!.deleteErc20Token(_balanceViewModel.wallet, token);
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}
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Future<Erc20Token?> getErc20Token(String contractAddress) async =>
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await ethereum!.getErc20Token(_balanceViewModel.wallet, contractAddress);
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CryptoCurrency get nativeToken => _balanceViewModel.wallet.currency;
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void _updateFiatPrices(Erc20Token token) async {
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try {
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_balanceViewModel.fiatConvertationStore.prices[token] =
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await FiatConversionService.fetchPrice(
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crypto: token,
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fiat: _settingsStore.fiatCurrency,
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torOnly: _settingsStore.fiatApiMode == FiatApiMode.torOnly);
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} catch (_) {}
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}
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void changeTokenAvailability(Erc20Token token, bool value) async {
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token.enabled = value;
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ethereum!.addErc20Token(_balanceViewModel.wallet, token);
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_refreshTokensList();
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}
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@action
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void _updateTokensList() {
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tokens.clear();
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_balanceViewModel.formattedBalances.forEach((e) {
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if (e.asset is Erc20Token && _matchesSearchText(e.asset as Erc20Token)) {
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tokens.add(e.asset as Erc20Token);
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}
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});
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tokens.addAll(ethereum!
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.getERC20Currencies(_balanceViewModel.wallet)
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.where((element) => _matchesSearchText(element)));
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}
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@action
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void _refreshTokensList() {
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final _tokens = Set.of(tokens);
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tokens.clear();
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tokens.addAll(_tokens);
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}
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@action
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void changeSearchText(String text) => searchText = text;
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bool _matchesSearchText(Erc20Token asset) {
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return searchText.isEmpty ||
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asset.fullName!.toLowerCase().contains(searchText.toLowerCase()) ||
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asset.title.toLowerCase().contains(searchText.toLowerCase()) ||
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asset.contractAddress == searchText;
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}
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}
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