mirror of
https://github.com/cake-tech/cake_wallet.git
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remove old code
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1 changed files with 0 additions and 830 deletions
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@ -1,830 +0,0 @@
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import 'dart:async';
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import 'dart:collection';
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import 'dart:convert';
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import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
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import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
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import 'package:cake_wallet/entities/exchange_api_mode.dart';
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import 'package:cake_wallet/entities/preferences_key.dart';
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import 'package:cake_wallet/entities/wallet_contact.dart';
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import 'package:cake_wallet/ethereum/ethereum.dart';
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import 'package:cake_wallet/exchange/exolix/exolix_exchange_provider.dart';
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import 'package:cake_wallet/exchange/exolix/exolix_request.dart';
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import 'package:cake_wallet/exchange/sideshift/sideshift_exchange_provider.dart';
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import 'package:cake_wallet/exchange/sideshift/sideshift_request.dart';
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import 'package:cake_wallet/exchange/simpleswap/simpleswap_exchange_provider.dart';
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import 'package:cake_wallet/exchange/simpleswap/simpleswap_request.dart';
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import 'package:cake_wallet/exchange/trocador/trocador_exchange_provider.dart';
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import 'package:cake_wallet/exchange/trocador/trocador_request.dart';
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import 'package:cake_wallet/utils/feature_flag.dart';
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import 'package:cake_wallet/view_model/contact_list/contact_list_view_model.dart';
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import 'package:cw_core/transaction_priority.dart';
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import 'package:cake_wallet/store/app_store.dart';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/sync_status.dart';
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import 'package:cw_core/wallet_type.dart';
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import 'package:cake_wallet/bitcoin/bitcoin.dart';
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import 'package:cake_wallet/monero/monero.dart';
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import 'package:cake_wallet/exchange/exchange_provider.dart';
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import 'package:cake_wallet/exchange/limits.dart';
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import 'package:cake_wallet/exchange/trade.dart';
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import 'package:cake_wallet/exchange/limits_state.dart';
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import 'package:cake_wallet/store/dashboard/trades_store.dart';
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import 'package:cake_wallet/store/settings_store.dart';
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import 'package:intl/intl.dart';
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import 'package:mobx/mobx.dart';
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import 'package:cake_wallet/generated/i18n.dart';
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import 'package:hive/hive.dart';
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import 'package:cake_wallet/exchange/exchange_trade_state.dart';
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import 'package:cake_wallet/exchange/changenow/changenow_exchange_provider.dart';
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import 'package:cake_wallet/exchange/changenow/changenow_request.dart';
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import 'package:cake_wallet/exchange/trade_request.dart';
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import 'package:cake_wallet/exchange/xmrto/xmrto_exchange_provider.dart';
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import 'package:cake_wallet/exchange/xmrto/xmrto_trade_request.dart';
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import 'package:cake_wallet/exchange/morphtoken/morphtoken_exchange_provider.dart';
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import 'package:cake_wallet/exchange/morphtoken/morphtoken_request.dart';
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import 'package:cake_wallet/store/templates/exchange_template_store.dart';
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import 'package:cake_wallet/exchange/exchange_template.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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part 'exchange_view_model.g.dart';
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class MoonPayExchangeViewModel = MoonPayExchangeViewModelBase with _$MoonPayExchangeViewModel;
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abstract class MoonPayExchangeViewModelBase extends WalletChangeListenerViewModel with Store {
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@override
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void onWalletChange(wallet) {
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receiveCurrency = wallet.currency;
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depositCurrency = wallet.currency;
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}
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MoonPayExchangeViewModelBase(
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AppStore appStore,
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this.trades,
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this._exchangeTemplateStore,
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this.tradesStore,
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this._settingsStore,
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this.sharedPreferences,
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this.contactListViewModel,
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) : _cryptoNumberFormat = NumberFormat(),
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isFixedRateMode = false,
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isReceiveAmountEntered = false,
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depositAmount = '',
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receiveAmount = '',
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receiveAddress = '',
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depositAddress = '',
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isDepositAddressEnabled = false,
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isReceiveAddressEnabled = false,
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isReceiveAmountEditable = false,
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_useTorOnly = false,
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receiveCurrencies = <CryptoCurrency>[],
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depositCurrencies = <CryptoCurrency>[],
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limits = Limits(min: 0, max: 0),
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tradeState = ExchangeTradeStateInitial(),
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limitsState = LimitsInitialState(),
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receiveCurrency = appStore.wallet!.currency,
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depositCurrency = appStore.wallet!.currency,
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providerList = [],
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selectedProviders = ObservableList<ExchangeProvider>(),
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super(appStore: appStore) {
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_useTorOnly = _settingsStore.exchangeStatus == ExchangeApiMode.torOnly;
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_setProviders();
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const excludeDepositCurrencies = [CryptoCurrency.btt];
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const excludeReceiveCurrencies = [
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CryptoCurrency.xlm,
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CryptoCurrency.xrp,
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CryptoCurrency.bnb,
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CryptoCurrency.btt
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];
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_initialPairBasedOnWallet();
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final Map<String, dynamic> exchangeProvidersSelection =
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json.decode(sharedPreferences.getString(PreferencesKey.exchangeProvidersSelection) ?? "{}")
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as Map<String, dynamic>;
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/// if the provider is not in the user settings (user's first time or newly added provider)
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/// then use its default value decided by us
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selectedProviders = ObservableList.of(providersForCurrentPair()
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.where((element) => exchangeProvidersSelection[element.title] == null
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? element.isEnabled
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: (exchangeProvidersSelection[element.title] as bool))
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.toList());
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_setAvailableProviders();
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_calculateBestRate();
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bestRateSync = Timer.periodic(Duration(seconds: 10), (timer) => _calculateBestRate());
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isDepositAddressEnabled = !(depositCurrency == wallet.currency);
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isReceiveAddressEnabled = !(receiveCurrency == wallet.currency);
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depositAmount = '';
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receiveAmount = '';
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receiveAddress = '';
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depositAddress = depositCurrency == wallet.currency ? wallet.walletAddresses.address : '';
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provider = providersForCurrentPair().first;
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final initialProvider = provider;
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provider!.checkIsAvailable().then((bool isAvailable) {
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if (!isAvailable && provider == initialProvider) {
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provider = providerList.firstWhere((provider) => provider is ChangeNowExchangeProvider,
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orElse: () => providerList.last);
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_onPairChange();
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}
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});
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receiveCurrencies = CryptoCurrency.all
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.where((cryptoCurrency) => !excludeReceiveCurrencies.contains(cryptoCurrency))
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.toList();
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depositCurrencies = CryptoCurrency.all
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.where((cryptoCurrency) => !excludeDepositCurrencies.contains(cryptoCurrency))
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.toList();
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_defineIsReceiveAmountEditable();
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loadLimits();
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reaction((_) => isFixedRateMode, (Object _) {
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loadLimits();
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_bestRate = 0;
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_calculateBestRate();
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});
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}
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bool _useTorOnly;
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final Box<Trade> trades;
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final ExchangeTemplateStore _exchangeTemplateStore;
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final TradesStore tradesStore;
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final SharedPreferences sharedPreferences;
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List<ExchangeProvider> get _allProviders => [
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ChangeNowExchangeProvider(settingsStore: _settingsStore),
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SideShiftExchangeProvider(),
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SimpleSwapExchangeProvider(),
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TrocadorExchangeProvider(useTorOnly: _useTorOnly),
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if (FeatureFlag.isExolixEnabled) ExolixExchangeProvider(),
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];
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@observable
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ExchangeProvider? provider;
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/// Maps in dart are not sorted by default
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/// SplayTreeMap is a map sorted by keys
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/// will use it to sort available providers
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/// based on the rate they yield for the current trade
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///
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///
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/// initialize with descending comparator
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/// since we want largest rate first
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final SplayTreeMap<double, ExchangeProvider> _sortedAvailableProviders =
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SplayTreeMap<double, ExchangeProvider>((double a, double b) => b.compareTo(a));
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final List<ExchangeProvider> _tradeAvailableProviders = [];
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@observable
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ObservableList<ExchangeProvider> selectedProviders;
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@observable
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List<ExchangeProvider> providerList;
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@observable
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CryptoCurrency depositCurrency;
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@observable
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CryptoCurrency receiveCurrency;
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@observable
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LimitsState limitsState;
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@observable
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ExchangeTradeState tradeState;
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@observable
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String depositAmount;
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@observable
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String receiveAmount;
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@observable
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String depositAddress;
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@observable
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String receiveAddress;
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@observable
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bool isDepositAddressEnabled;
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@observable
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bool isReceiveAddressEnabled;
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@observable
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bool isReceiveAmountEntered;
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@observable
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bool isReceiveAmountEditable;
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@observable
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bool isFixedRateMode;
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@observable
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Limits limits;
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@computed
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SyncStatus get status => wallet.syncStatus;
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@computed
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ObservableList<ExchangeTemplate> get templates => _exchangeTemplateStore.templates;
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@computed
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List<WalletContact> get walletContactsToShow => contactListViewModel.walletContacts
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.where((element) => element.type == receiveCurrency)
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.toList();
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@action
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bool checkIfWalletIsAnInternalWallet(String address) {
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final walletContactList =
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walletContactsToShow.where((element) => element.address == address).toList();
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return walletContactList.isNotEmpty;
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}
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@computed
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bool get shouldDisplayTOTP2FAForExchangesToInternalWallet =>
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_settingsStore.shouldRequireTOTP2FAForExchangesToInternalWallets;
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//* Still open to further optimize these checks
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//* It works but can be made better
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@action
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bool shouldDisplayTOTP() {
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final isInternalWallet = checkIfWalletIsAnInternalWallet(receiveAddress);
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if (isInternalWallet) {
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return shouldDisplayTOTP2FAForExchangesToInternalWallet;
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}
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return false;
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}
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@computed
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TransactionPriority get transactionPriority {
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final priority = _settingsStore.priority[wallet.type];
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if (priority == null) {
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throw Exception('Unexpected type ${wallet.type.toString()}');
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}
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return priority;
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}
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bool get hasAllAmount =>
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(wallet.type == WalletType.bitcoin ||
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wallet.type == WalletType.litecoin ||
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wallet.type == WalletType.bitcoinCash) &&
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depositCurrency == wallet.currency;
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bool get isMoneroWallet => wallet.type == WalletType.monero;
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bool get isLowFee {
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switch (wallet.type) {
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case WalletType.monero:
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case WalletType.haven:
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return transactionPriority == monero!.getMoneroTransactionPrioritySlow();
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case WalletType.bitcoin:
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return transactionPriority == bitcoin!.getBitcoinTransactionPrioritySlow();
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case WalletType.litecoin:
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return transactionPriority ==
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bitcoin!.getLitecoinTransactionPrioritySlow();
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case WalletType.ethereum:
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return transactionPriority ==
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ethereum!.getEthereumTransactionPrioritySlow();
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case WalletType.bitcoinCash:
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return transactionPriority ==
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bitcoinCash!.getBitcoinCashTransactionPrioritySlow();
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default:
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return false;
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}
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}
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List<CryptoCurrency> receiveCurrencies;
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List<CryptoCurrency> depositCurrencies;
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final NumberFormat _cryptoNumberFormat;
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final SettingsStore _settingsStore;
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final ContactListViewModel contactListViewModel;
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double _bestRate = 0.0;
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late Timer bestRateSync;
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@action
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void changeDepositCurrency({required CryptoCurrency currency}) {
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depositCurrency = currency;
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isFixedRateMode = false;
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_onPairChange();
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isDepositAddressEnabled = !(depositCurrency == wallet.currency);
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isReceiveAddressEnabled = !(receiveCurrency == wallet.currency);
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}
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@action
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void changeReceiveCurrency({required CryptoCurrency currency}) {
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receiveCurrency = currency;
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isFixedRateMode = false;
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_onPairChange();
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isDepositAddressEnabled = !(depositCurrency == wallet.currency);
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isReceiveAddressEnabled = !(receiveCurrency == wallet.currency);
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}
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@action
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Future<void> changeReceiveAmount({required String amount}) async {
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receiveAmount = amount;
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if (amount.isEmpty) {
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depositAmount = '';
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receiveAmount = '';
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return;
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}
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final _enteredAmount = double.tryParse(amount.replaceAll(',', '.')) ?? 0;
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if (_bestRate == 0) {
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depositAmount = S.current.fetching;
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await _calculateBestRate();
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}
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_cryptoNumberFormat.maximumFractionDigits = depositMaxDigits;
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depositAmount = _cryptoNumberFormat
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.format(_enteredAmount / _bestRate)
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.toString()
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.replaceAll(RegExp('\\,'), '');
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}
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@action
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Future<void> changeDepositAmount({required String amount}) async {
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depositAmount = amount;
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if (amount.isEmpty) {
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depositAmount = '';
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receiveAmount = '';
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return;
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}
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final _enteredAmount = double.tryParse(amount.replaceAll(',', '.')) ?? 0;
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/// in case the best rate was not calculated yet
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if (_bestRate == 0) {
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receiveAmount = S.current.fetching;
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await _calculateBestRate();
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}
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_cryptoNumberFormat.maximumFractionDigits = receiveMaxDigits;
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receiveAmount = _cryptoNumberFormat
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.format(_bestRate * _enteredAmount)
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.toString()
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.replaceAll(RegExp('\\,'), '');
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}
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bool checkIfInputMeetsMinOrMaxCondition(String input) {
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final _enteredAmount = double.tryParse(input.replaceAll(',', '.')) ?? 0;
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double minLimit = limits.min ?? 0;
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double? maxLimit = limits.max;
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if (_enteredAmount < minLimit) {
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return false;
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}
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if (maxLimit != null && _enteredAmount > maxLimit) {
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return false;
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}
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return true;
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}
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Future<void> _calculateBestRate() async {
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final amount = double.tryParse(isFixedRateMode ? receiveAmount : depositAmount) ?? 1;
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final _providers = _tradeAvailableProviders
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.where((element) => !isFixedRateMode || element.supportsFixedRate)
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.toList();
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final result = await Future.wait<double>(_providers.map((element) => element.fetchRate(
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from: depositCurrency,
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to: receiveCurrency,
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amount: amount,
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isFixedRateMode: isFixedRateMode,
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isReceiveAmount: isFixedRateMode)));
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_sortedAvailableProviders.clear();
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for (int i = 0; i < result.length; i++) {
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if (result[i] != 0) {
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/// add this provider as its valid for this trade
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try {
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_sortedAvailableProviders[result[i]] = _providers[i];
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} catch (e) {
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// will throw "Concurrent modification during iteration" error if modified at the same
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// time [createTrade] is called, as this is not a normal map, but a sorted map
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}
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}
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}
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if (_sortedAvailableProviders.isNotEmpty) {
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_bestRate = _sortedAvailableProviders.keys.first;
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}
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}
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@action
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Future<void> loadLimits() async {
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if (selectedProviders.isEmpty) {
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return;
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}
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limitsState = LimitsIsLoading();
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final from = isFixedRateMode ? receiveCurrency : depositCurrency;
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final to = isFixedRateMode ? depositCurrency : receiveCurrency;
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double? lowestMin = double.maxFinite;
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double? highestMax = 0.0;
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try {
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for (var provider in selectedProviders) {
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/// if this provider is not valid for the current pair, skip it
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if (!providersForCurrentPair().contains(provider)) {
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continue;
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}
|
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|
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try {
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final tempLimits =
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await provider.fetchLimits(from: from, to: to, isFixedRateMode: isFixedRateMode);
|
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|
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if (lowestMin != null && (tempLimits.min ?? -1) < lowestMin) {
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lowestMin = tempLimits.min;
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}
|
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if (highestMax != null && (tempLimits.max ?? double.maxFinite) > highestMax) {
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highestMax = tempLimits.max;
|
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}
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} catch (e) {
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continue;
|
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}
|
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}
|
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} on ConcurrentModificationError {
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/// if user changed the selected providers while fetching limits
|
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/// then delay the fetching limits a bit and try again
|
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///
|
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/// this is because the limitation of collections that
|
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/// you can't modify it while iterating through it
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Future.delayed(Duration(milliseconds: 200), loadLimits);
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}
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|
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if (lowestMin != double.maxFinite) {
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limits = Limits(min: lowestMin, max: highestMax);
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limitsState = LimitsLoadedSuccessfully(limits: limits);
|
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} else {
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limitsState = LimitsLoadedFailure(error: 'Limits loading failed');
|
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}
|
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}
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@action
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Future<void> createTrade() async {
|
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TradeRequest? request;
|
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String amount = '';
|
||||
|
||||
try {
|
||||
for (var provider in _sortedAvailableProviders.values) {
|
||||
if (!(await provider.checkIsAvailable())) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (provider is SideShiftExchangeProvider) {
|
||||
request = SideShiftRequest(
|
||||
depositMethod: depositCurrency,
|
||||
settleMethod: receiveCurrency,
|
||||
depositAmount: isFixedRateMode
|
||||
? receiveAmount.replaceAll(',', '.')
|
||||
: depositAmount.replaceAll(',', '.'),
|
||||
settleAddress: receiveAddress,
|
||||
refundAddress: depositAddress,
|
||||
);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
if (provider is SimpleSwapExchangeProvider) {
|
||||
request = SimpleSwapRequest(
|
||||
from: depositCurrency,
|
||||
to: receiveCurrency,
|
||||
amount: depositAmount.replaceAll(',', '.'),
|
||||
address: receiveAddress,
|
||||
refundAddress: depositAddress,
|
||||
);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
if (provider is XMRTOExchangeProvider) {
|
||||
request = XMRTOTradeRequest(
|
||||
from: depositCurrency,
|
||||
to: receiveCurrency,
|
||||
amount: depositAmount.replaceAll(',', '.'),
|
||||
receiveAmount: receiveAmount.replaceAll(',', '.'),
|
||||
address: receiveAddress,
|
||||
refundAddress: depositAddress,
|
||||
isBTCRequest: isReceiveAmountEntered);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
if (provider is ChangeNowExchangeProvider) {
|
||||
request = ChangeNowRequest(
|
||||
from: depositCurrency,
|
||||
to: receiveCurrency,
|
||||
fromAmount: depositAmount.replaceAll(',', '.'),
|
||||
toAmount: receiveAmount.replaceAll(',', '.'),
|
||||
refundAddress: depositAddress,
|
||||
address: receiveAddress,
|
||||
isReverse: isFixedRateMode);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
if (provider is MorphTokenExchangeProvider) {
|
||||
request = MorphTokenRequest(
|
||||
from: depositCurrency,
|
||||
to: receiveCurrency,
|
||||
amount: depositAmount.replaceAll(',', '.'),
|
||||
refundAddress: depositAddress,
|
||||
address: receiveAddress);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
if (provider is TrocadorExchangeProvider) {
|
||||
request = TrocadorRequest(
|
||||
from: depositCurrency,
|
||||
to: receiveCurrency,
|
||||
fromAmount: depositAmount.replaceAll(',', '.'),
|
||||
toAmount: receiveAmount.replaceAll(',', '.'),
|
||||
refundAddress: depositAddress,
|
||||
address: receiveAddress,
|
||||
isReverse: isFixedRateMode);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
if (provider is ExolixExchangeProvider) {
|
||||
request = ExolixRequest(
|
||||
from: depositCurrency,
|
||||
to: receiveCurrency,
|
||||
fromAmount: depositAmount.replaceAll(',', '.'),
|
||||
toAmount: receiveAmount.replaceAll(',', '.'),
|
||||
refundAddress: depositAddress,
|
||||
address: receiveAddress);
|
||||
amount = isFixedRateMode ? receiveAmount : depositAmount;
|
||||
}
|
||||
|
||||
amount = amount.replaceAll(',', '.');
|
||||
|
||||
if (limitsState is LimitsLoadedSuccessfully) {
|
||||
if (double.tryParse(amount) == null) {
|
||||
continue;
|
||||
}
|
||||
if (limits.max != null && double.parse(amount) < limits.min!) {
|
||||
continue;
|
||||
} else if (limits.max != null && double.parse(amount) > limits.max!) {
|
||||
continue;
|
||||
} else {
|
||||
try {
|
||||
tradeState = TradeIsCreating();
|
||||
final trade =
|
||||
await provider.createTrade(request: request!, isFixedRateMode: isFixedRateMode);
|
||||
trade.walletId = wallet.id;
|
||||
tradesStore.setTrade(trade);
|
||||
await trades.add(trade);
|
||||
tradeState = TradeIsCreatedSuccessfully(trade: trade);
|
||||
|
||||
/// return after the first successful trade
|
||||
return;
|
||||
} catch (e) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// if the code reached here then none of the providers succeeded
|
||||
tradeState = TradeIsCreatedFailure(
|
||||
title: S.current.trade_not_created,
|
||||
error: S.current.none_of_selected_providers_can_exchange);
|
||||
} on ConcurrentModificationError {
|
||||
/// if create trade happened at the exact same time of the scheduled rate update
|
||||
/// then delay the create trade a bit and try again
|
||||
///
|
||||
/// this is because the limitation of the SplayTreeMap that
|
||||
/// you can't modify it while iterating through it
|
||||
Future.delayed(Duration(milliseconds: 200), createTrade);
|
||||
}
|
||||
}
|
||||
|
||||
@action
|
||||
void reset() {
|
||||
_initialPairBasedOnWallet();
|
||||
isReceiveAmountEntered = false;
|
||||
depositAmount = '';
|
||||
receiveAmount = '';
|
||||
depositAddress = depositCurrency == wallet.currency ? wallet.walletAddresses.address : '';
|
||||
receiveAddress = receiveCurrency == wallet.currency ? wallet.walletAddresses.address : '';
|
||||
isDepositAddressEnabled = !(depositCurrency == wallet.currency);
|
||||
isReceiveAddressEnabled = !(receiveCurrency == wallet.currency);
|
||||
isFixedRateMode = false;
|
||||
_onPairChange();
|
||||
}
|
||||
|
||||
@action
|
||||
void calculateDepositAllAmount() {
|
||||
if (wallet.type == WalletType.bitcoin || wallet.type == WalletType.litecoin || wallet.type == WalletType.bitcoinCash) {
|
||||
final availableBalance = wallet.balance[wallet.currency]!.available;
|
||||
final priority = _settingsStore.priority[wallet.type]!;
|
||||
final fee = wallet.calculateEstimatedFee(priority, null);
|
||||
|
||||
if (availableBalance < fee || availableBalance == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
final amount = availableBalance - fee;
|
||||
changeDepositAmount(amount: bitcoin!.formatterBitcoinAmountToString(amount: amount));
|
||||
}
|
||||
}
|
||||
|
||||
void updateTemplate() => _exchangeTemplateStore.update();
|
||||
|
||||
void addTemplate(
|
||||
{required String amount,
|
||||
required String depositCurrency,
|
||||
required String receiveCurrency,
|
||||
required String provider,
|
||||
required String depositAddress,
|
||||
required String receiveAddress,
|
||||
required String depositCurrencyTitle,
|
||||
required String receiveCurrencyTitle}) =>
|
||||
_exchangeTemplateStore.addTemplate(
|
||||
amount: amount,
|
||||
depositCurrency: depositCurrency,
|
||||
receiveCurrency: receiveCurrency,
|
||||
provider: provider,
|
||||
depositAddress: depositAddress,
|
||||
receiveAddress: receiveAddress,
|
||||
depositCurrencyTitle: depositCurrencyTitle,
|
||||
receiveCurrencyTitle: receiveCurrencyTitle);
|
||||
|
||||
void removeTemplate({required ExchangeTemplate template}) =>
|
||||
_exchangeTemplateStore.remove(template: template);
|
||||
|
||||
List<ExchangeProvider> providersForCurrentPair() {
|
||||
return _providersForPair(from: depositCurrency, to: receiveCurrency);
|
||||
}
|
||||
|
||||
List<ExchangeProvider> _providersForPair(
|
||||
{required CryptoCurrency from, required CryptoCurrency to}) {
|
||||
final providers = providerList
|
||||
.where((provider) =>
|
||||
provider.pairList.where((pair) => pair.from == from && pair.to == to).isNotEmpty)
|
||||
.toList();
|
||||
|
||||
return providers;
|
||||
}
|
||||
|
||||
void _onPairChange() {
|
||||
depositAmount = '';
|
||||
receiveAmount = '';
|
||||
loadLimits();
|
||||
_setAvailableProviders();
|
||||
_bestRate = 0;
|
||||
_calculateBestRate();
|
||||
}
|
||||
|
||||
void _initialPairBasedOnWallet() {
|
||||
switch (wallet.type) {
|
||||
case WalletType.monero:
|
||||
depositCurrency = CryptoCurrency.xmr;
|
||||
receiveCurrency = CryptoCurrency.btc;
|
||||
break;
|
||||
case WalletType.bitcoin:
|
||||
depositCurrency = CryptoCurrency.btc;
|
||||
receiveCurrency = CryptoCurrency.xmr;
|
||||
break;
|
||||
case WalletType.litecoin:
|
||||
depositCurrency = CryptoCurrency.ltc;
|
||||
receiveCurrency = CryptoCurrency.xmr;
|
||||
break;
|
||||
case WalletType.bitcoinCash:
|
||||
depositCurrency = CryptoCurrency.bch;
|
||||
receiveCurrency = CryptoCurrency.xmr;
|
||||
break;
|
||||
case WalletType.haven:
|
||||
depositCurrency = CryptoCurrency.xhv;
|
||||
receiveCurrency = CryptoCurrency.btc;
|
||||
break;
|
||||
case WalletType.ethereum:
|
||||
depositCurrency = CryptoCurrency.eth;
|
||||
receiveCurrency = CryptoCurrency.xmr;
|
||||
break;
|
||||
case WalletType.nano:
|
||||
depositCurrency = CryptoCurrency.nano;
|
||||
receiveCurrency = CryptoCurrency.xmr;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void _defineIsReceiveAmountEditable() {
|
||||
/*if ((provider is ChangeNowExchangeProvider)
|
||||
&&(depositCurrency == CryptoCurrency.xmr)
|
||||
&&(receiveCurrency == CryptoCurrency.btc)) {
|
||||
isReceiveAmountEditable = true;
|
||||
} else {
|
||||
isReceiveAmountEditable = false;
|
||||
}*/
|
||||
//isReceiveAmountEditable = false;
|
||||
// isReceiveAmountEditable = selectedProviders.any((provider) => provider is ChangeNowExchangeProvider);
|
||||
// isReceiveAmountEditable = provider is ChangeNowExchangeProvider || provider is SimpleSwapExchangeProvider;
|
||||
isReceiveAmountEditable = true;
|
||||
}
|
||||
|
||||
@action
|
||||
void addExchangeProvider(ExchangeProvider provider) {
|
||||
selectedProviders.add(provider);
|
||||
if (providersForCurrentPair().contains(provider)) {
|
||||
_tradeAvailableProviders.add(provider);
|
||||
}
|
||||
}
|
||||
|
||||
@action
|
||||
void removeExchangeProvider(ExchangeProvider provider) {
|
||||
selectedProviders.remove(provider);
|
||||
_tradeAvailableProviders.remove(provider);
|
||||
}
|
||||
|
||||
@action
|
||||
void saveSelectedProviders() {
|
||||
depositAmount = '';
|
||||
receiveAmount = '';
|
||||
isFixedRateMode = false;
|
||||
_defineIsReceiveAmountEditable();
|
||||
loadLimits();
|
||||
_bestRate = 0;
|
||||
_calculateBestRate();
|
||||
|
||||
final Map<String, dynamic> exchangeProvidersSelection =
|
||||
json.decode(sharedPreferences.getString(PreferencesKey.exchangeProvidersSelection) ?? "{}")
|
||||
as Map<String, dynamic>;
|
||||
|
||||
for (var provider in providerList) {
|
||||
exchangeProvidersSelection[provider.title] = selectedProviders.contains(provider);
|
||||
}
|
||||
|
||||
sharedPreferences.setString(
|
||||
PreferencesKey.exchangeProvidersSelection,
|
||||
json.encode(exchangeProvidersSelection),
|
||||
);
|
||||
}
|
||||
|
||||
bool get isAvailableInSelected {
|
||||
final providersForPair = providersForCurrentPair();
|
||||
return selectedProviders
|
||||
.any((element) => element.isAvailable && providersForPair.contains(element));
|
||||
}
|
||||
|
||||
void _setAvailableProviders() {
|
||||
_tradeAvailableProviders.clear();
|
||||
|
||||
_tradeAvailableProviders.addAll(
|
||||
selectedProviders.where((provider) => providersForCurrentPair().contains(provider)));
|
||||
}
|
||||
|
||||
@action
|
||||
void setDefaultTransactionPriority() {
|
||||
switch (wallet.type) {
|
||||
case WalletType.monero:
|
||||
case WalletType.haven:
|
||||
_settingsStore.priority[wallet.type] = monero!.getMoneroTransactionPriorityAutomatic();
|
||||
break;
|
||||
case WalletType.bitcoin:
|
||||
_settingsStore.priority[wallet.type] = bitcoin!.getBitcoinTransactionPriorityMedium();
|
||||
break;
|
||||
case WalletType.litecoin:
|
||||
_settingsStore.priority[wallet.type] = bitcoin!.getLitecoinTransactionPriorityMedium();
|
||||
break;
|
||||
case WalletType.ethereum:
|
||||
_settingsStore.priority[wallet.type] = ethereum!.getDefaultTransactionPriority();
|
||||
break;
|
||||
case WalletType.bitcoinCash:
|
||||
_settingsStore.priority[wallet.type] = bitcoinCash!.getDefaultTransactionPriority();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void _setProviders() {
|
||||
if (_settingsStore.exchangeStatus == ExchangeApiMode.torOnly) {
|
||||
providerList = _allProviders.where((provider) => provider.supportsOnionAddress).toList();
|
||||
} else {
|
||||
providerList = _allProviders;
|
||||
}
|
||||
}
|
||||
|
||||
int get depositMaxDigits => depositCurrency == CryptoCurrency.btc ? 8 : 12;
|
||||
|
||||
int get receiveMaxDigits => receiveCurrency == CryptoCurrency.btc ? 8 : 12;
|
||||
}
|
Loading…
Reference in a new issue