mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-11-18 02:07:43 +00:00
1321 lines
48 KiB
Dart
1321 lines
48 KiB
Dart
import 'dart:async';
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import 'package:decimal/decimal.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import 'package:flutter_svg/svg.dart';
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import 'package:stackwallet/models/exchange/incomplete_exchange.dart';
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import 'package:stackwallet/models/exchange/response_objects/currency.dart';
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import 'package:stackwallet/models/exchange/response_objects/fixed_rate_market.dart';
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import 'package:stackwallet/models/exchange/response_objects/pair.dart';
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import 'package:stackwallet/notifications/show_flush_bar.dart';
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import 'package:stackwallet/pages/exchange_view/exchange_coin_selection/fixed_rate_pair_coin_selection_view.dart';
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import 'package:stackwallet/pages/exchange_view/exchange_coin_selection/floating_rate_currency_selection_view.dart';
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import 'package:stackwallet/pages/exchange_view/exchange_step_views/step_1_view.dart';
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import 'package:stackwallet/pages/exchange_view/exchange_step_views/step_2_view.dart';
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import 'package:stackwallet/pages/exchange_view/sub_widgets/exchange_provider_options.dart';
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import 'package:stackwallet/pages/exchange_view/sub_widgets/exchange_rate_sheet.dart';
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import 'package:stackwallet/pages/exchange_view/sub_widgets/rate_type_toggle.dart';
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import 'package:stackwallet/providers/exchange/available_currencies_state_provider.dart';
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import 'package:stackwallet/providers/exchange/available_floating_rate_pairs_state_provider.dart';
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import 'package:stackwallet/providers/exchange/change_now_provider.dart';
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import 'package:stackwallet/providers/exchange/estimate_rate_exchange_form_provider.dart';
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import 'package:stackwallet/providers/exchange/exchange_send_from_wallet_id_provider.dart';
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import 'package:stackwallet/providers/exchange/fixed_rate_exchange_form_provider.dart';
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import 'package:stackwallet/providers/exchange/fixed_rate_market_pairs_provider.dart';
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import 'package:stackwallet/providers/providers.dart';
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import 'package:stackwallet/utilities/assets.dart';
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import 'package:stackwallet/utilities/enums/coin_enum.dart';
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import 'package:stackwallet/utilities/enums/flush_bar_type.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/custom_loading_overlay.dart';
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import 'package:stackwallet/widgets/desktop/primary_button.dart';
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import 'package:stackwallet/widgets/loading_indicator.dart';
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import 'package:stackwallet/widgets/stack_dialog.dart';
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import 'package:tuple/tuple.dart';
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class ExchangeForm extends ConsumerStatefulWidget {
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const ExchangeForm({
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Key? key,
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this.walletId,
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this.coin,
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}) : super(key: key);
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final String? walletId;
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final Coin? coin;
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@override
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ConsumerState<ExchangeForm> createState() => _ExchangeFormState();
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}
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class _ExchangeFormState extends ConsumerState<ExchangeForm> {
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late final String? walletId;
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late final Coin? coin;
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late final bool walletInitiated;
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late final TextEditingController _sendController;
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late final TextEditingController _receiveController;
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final FocusNode _sendFocusNode = FocusNode();
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final FocusNode _receiveFocusNode = FocusNode();
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bool _swapLock = false;
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bool _reversed = false;
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void sendFieldOnChanged(String value) async {
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final newFromAmount = Decimal.tryParse(value);
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final isEstimated =
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ref.read(prefsChangeNotifierProvider).exchangeRateType ==
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ExchangeRateType.estimated;
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if (newFromAmount != null) {
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if (isEstimated) {
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await ref
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.read(estimatedRateExchangeFormProvider)
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.setFromAmountAndCalculateToAmount(newFromAmount, false);
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} else {
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await ref
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.read(fixedRateExchangeFormProvider)
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.setFromAmountAndCalculateToAmount(newFromAmount, false);
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}
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} else {
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if (isEstimated) {
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await ref
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.read(estimatedRateExchangeFormProvider)
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.setFromAmountAndCalculateToAmount(Decimal.zero, false);
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} else {
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await ref
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.read(fixedRateExchangeFormProvider)
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.setFromAmountAndCalculateToAmount(Decimal.zero, false);
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}
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_receiveController.text = isEstimated ? "-" : "";
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}
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}
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void selectSendCurrency() async {
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if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
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ExchangeRateType.estimated) {
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final fromTicker =
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ref.read(estimatedRateExchangeFormProvider).from?.ticker ?? "-";
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if (walletInitiated &&
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fromTicker.toLowerCase() == coin!.ticker.toLowerCase()) {
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// do not allow changing away from wallet coin
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return;
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}
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await _showFloatingRateSelectionSheet(
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currencies:
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ref.read(availableChangeNowCurrenciesStateProvider.state).state,
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excludedTicker:
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ref.read(estimatedRateExchangeFormProvider).to?.ticker ?? "-",
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fromTicker: fromTicker,
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onSelected: (from) => ref
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.read(estimatedRateExchangeFormProvider)
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.updateFrom(from, true));
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} else {
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final toTicker = ref.read(fixedRateExchangeFormProvider).market?.to ?? "";
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final fromTicker =
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ref.read(fixedRateExchangeFormProvider).market?.from ?? "";
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if (walletInitiated &&
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fromTicker.toLowerCase() == coin!.ticker.toLowerCase()) {
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// do not allow changing away from wallet coin
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return;
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}
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await _showFixedRateSelectionSheet(
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excludedTicker: toTicker,
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fromTicker: fromTicker,
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onSelected: (selectedFromTicker) async {
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try {
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final market = ref
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.read(fixedRateMarketPairsStateProvider.state)
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.state
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.firstWhere(
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(e) => e.to == toTicker && e.from == selectedFromTicker,
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);
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await ref
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.read(fixedRateExchangeFormProvider)
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.updateMarket(market, true);
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} catch (e) {
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unawaited(showDialog<dynamic>(
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context: context,
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builder: (_) => const StackDialog(
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title: "Fixed rate market error",
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message: "Could not find the specified fixed rate trade pair",
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),
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));
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return;
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}
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},
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);
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}
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}
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void selectReceiveCurrency() async {
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if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
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ExchangeRateType.estimated) {
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final toTicker =
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ref.read(estimatedRateExchangeFormProvider).to?.ticker ?? "";
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if (walletInitiated &&
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toTicker.toLowerCase() == coin!.ticker.toLowerCase()) {
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// do not allow changing away from wallet coin
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return;
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}
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await _showFloatingRateSelectionSheet(
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currencies:
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ref.read(availableChangeNowCurrenciesStateProvider.state).state,
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excludedTicker:
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ref.read(estimatedRateExchangeFormProvider).from?.ticker ?? "",
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fromTicker:
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ref.read(estimatedRateExchangeFormProvider).from?.ticker ?? "",
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onSelected: (to) =>
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ref.read(estimatedRateExchangeFormProvider).updateTo(to, true));
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} else {
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final fromTicker =
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ref.read(fixedRateExchangeFormProvider).market?.from ?? "";
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final toTicker = ref.read(fixedRateExchangeFormProvider).market?.to ?? "";
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if (walletInitiated &&
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toTicker.toLowerCase() == coin!.ticker.toLowerCase()) {
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// do not allow changing away from wallet coin
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return;
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}
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await _showFixedRateSelectionSheet(
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excludedTicker: fromTicker,
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fromTicker: fromTicker,
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onSelected: (selectedToTicker) async {
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try {
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final market = ref
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.read(fixedRateMarketPairsStateProvider.state)
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.state
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.firstWhere(
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(e) => e.to == selectedToTicker && e.from == fromTicker,
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);
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await ref
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.read(fixedRateExchangeFormProvider)
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.updateMarket(market, true);
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} catch (e) {
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unawaited(showDialog<dynamic>(
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context: context,
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builder: (_) => const StackDialog(
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title: "Fixed rate market error",
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message: "Could not find the specified fixed rate trade pair",
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),
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));
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return;
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}
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},
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);
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}
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}
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void receiveFieldOnChanged(String value) async {
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final newToAmount = Decimal.tryParse(value);
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final isEstimated =
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ref.read(prefsChangeNotifierProvider).exchangeRateType ==
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ExchangeRateType.estimated;
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if (newToAmount != null) {
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if (isEstimated) {
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// await ref
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// .read(estimatedRateExchangeFormProvider)
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// .setToAmountAndCalculateFromAmount(
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// newToAmount, false);
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} else {
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await ref
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.read(fixedRateExchangeFormProvider)
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.setToAmountAndCalculateFromAmount(newToAmount, false);
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}
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} else {
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if (isEstimated) {
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// await ref
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// .read(estimatedRateExchangeFormProvider)
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// .setToAmountAndCalculateFromAmount(
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// Decimal.zero, false);
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} else {
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await ref
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.read(fixedRateExchangeFormProvider)
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.setToAmountAndCalculateFromAmount(Decimal.zero, false);
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}
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_sendController.text = "";
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}
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}
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Future<void> _swap() async {
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_swapLock = true;
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_sendFocusNode.unfocus();
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_receiveFocusNode.unfocus();
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unawaited(
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showDialog<void>(
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context: context,
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barrierDismissible: false,
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builder: (_) => WillPopScope(
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onWillPop: () async => false,
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child: Container(
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color: Theme.of(context)
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.extension<StackColors>()!
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.overlay
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.withOpacity(0.6),
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child: const CustomLoadingOverlay(
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message: "Updating exchange rate",
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eventBus: null,
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),
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),
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),
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),
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);
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if (ref.watch(prefsChangeNotifierProvider
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.select((pref) => pref.exchangeRateType)) ==
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ExchangeRateType.estimated) {
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await ref.read(estimatedRateExchangeFormProvider).swap();
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} else {
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final from = ref.read(fixedRateExchangeFormProvider).market?.from;
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final to = ref.read(fixedRateExchangeFormProvider).market?.to;
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if (to != null && from != null) {
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final markets = ref
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.read(fixedRateMarketPairsStateProvider.state)
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.state
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.where((e) => e.from == to && e.to == from);
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if (markets.isNotEmpty) {
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await ref.read(fixedRateExchangeFormProvider).swap(markets.first);
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}
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}
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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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_swapLock = false;
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}
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Future<void> _showFloatingRateSelectionSheet({
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required List<Currency> currencies,
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required String excludedTicker,
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required String fromTicker,
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required void Function(Currency) onSelected,
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}) async {
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_sendFocusNode.unfocus();
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_receiveFocusNode.unfocus();
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List<Pair> availablePairs = [];
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if (fromTicker.isEmpty ||
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fromTicker == "-" ||
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excludedTicker.isEmpty ||
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excludedTicker == "-") {
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availablePairs =
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ref.read(availableFloatingRatePairsStateProvider.state).state;
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} else if (excludedTicker == fromTicker) {
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availablePairs = ref
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.read(availableFloatingRatePairsStateProvider.state)
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.state
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.where((e) => e.from == excludedTicker)
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.toList(growable: false);
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} else {
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availablePairs = ref
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.read(availableFloatingRatePairsStateProvider.state)
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.state
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.where((e) => e.to == excludedTicker)
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.toList(growable: false);
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}
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final List<Currency> tickers = currencies.where((e) {
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if (excludedTicker == fromTicker) {
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return e.ticker != excludedTicker &&
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availablePairs.where((e2) => e2.to == e.ticker).isNotEmpty;
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} else {
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return e.ticker != excludedTicker &&
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availablePairs.where((e2) => e2.from == e.ticker).isNotEmpty;
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}
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}).toList(growable: false);
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final result = await Navigator.of(context).push(
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MaterialPageRoute<dynamic>(
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builder: (_) => FloatingRateCurrencySelectionView(
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currencies: tickers,
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),
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),
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);
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if (mounted && result is Currency) {
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onSelected(result);
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}
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}
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String? _fetchIconUrlFromTickerForFixedRateFlow(String? ticker) {
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if (ticker == null) return null;
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final possibleCurrencies = ref
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.read(availableChangeNowCurrenciesStateProvider.state)
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.state
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.where((e) => e.ticker.toUpperCase() == ticker.toUpperCase());
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for (final currency in possibleCurrencies) {
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if (currency.image.isNotEmpty) {
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return currency.image;
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}
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}
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return null;
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}
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Future<void> _showFixedRateSelectionSheet({
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required String excludedTicker,
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required String fromTicker,
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required void Function(String) onSelected,
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}) async {
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_sendFocusNode.unfocus();
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_receiveFocusNode.unfocus();
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List<FixedRateMarket> marketsThatPairWithExcludedTicker = [];
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if (excludedTicker == "" ||
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excludedTicker == "-" ||
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fromTicker == "" ||
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fromTicker == "-") {
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marketsThatPairWithExcludedTicker =
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ref.read(fixedRateMarketPairsStateProvider.state).state;
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} else if (excludedTicker == fromTicker) {
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marketsThatPairWithExcludedTicker = ref
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.read(fixedRateMarketPairsStateProvider.state)
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.state
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.where((e) => e.from == excludedTicker && e.to != excludedTicker)
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.toList(growable: false);
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} else {
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marketsThatPairWithExcludedTicker = ref
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.read(fixedRateMarketPairsStateProvider.state)
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.state
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.where((e) => e.to == excludedTicker && e.from != excludedTicker)
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.toList(growable: false);
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}
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final result = await Navigator.of(context).push(
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MaterialPageRoute<dynamic>(
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builder: (_) => FixedRateMarketPairCoinSelectionView(
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markets: marketsThatPairWithExcludedTicker,
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currencies:
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ref.read(availableChangeNowCurrenciesStateProvider.state).state,
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isFrom: excludedTicker != fromTicker,
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),
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),
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);
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if (mounted && result is String) {
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onSelected(result);
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}
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}
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void onRateTypeChanged(ExchangeRateType rateType) async {
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_receiveFocusNode.unfocus();
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_sendFocusNode.unfocus();
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switch (rateType) {
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case ExchangeRateType.estimated:
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final market = ref.read(fixedRateExchangeFormProvider).market;
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final fromTicker = market?.from ?? "";
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final toTicker = market?.to ?? "";
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if (!(fromTicker.isEmpty ||
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toTicker.isEmpty ||
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toTicker == "-" ||
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fromTicker == "-")) {
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final available = ref
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.read(availableFloatingRatePairsStateProvider.state)
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.state
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.where((e) => e.to == toTicker && e.from == fromTicker);
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if (available.isNotEmpty) {
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final availableCurrencies = ref
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.read(availableChangeNowCurrenciesStateProvider.state)
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.state
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.where((e) => e.ticker == fromTicker || e.ticker == toTicker);
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if (availableCurrencies.length > 1) {
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final from =
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availableCurrencies.firstWhere((e) => e.ticker == fromTicker);
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final to =
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availableCurrencies.firstWhere((e) => e.ticker == toTicker);
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|
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final newFromAmount = Decimal.tryParse(_sendController.text);
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if (newFromAmount != null) {
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await ref
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.read(estimatedRateExchangeFormProvider)
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.setFromAmountAndCalculateToAmount(newFromAmount, false);
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} else {
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await ref
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.read(estimatedRateExchangeFormProvider)
|
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.setFromAmountAndCalculateToAmount(Decimal.zero, false);
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|
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_receiveController.text = "";
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}
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|
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await ref
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.read(estimatedRateExchangeFormProvider)
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.updateTo(to, false);
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await ref
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.read(estimatedRateExchangeFormProvider)
|
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.updateFrom(from, true);
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return;
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}
|
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}
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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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"Estimated rate trade pair \"$fromTicker-$toTicker\" unavailable. Reverting to last estimated rate pair.",
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context: context,
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));
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break;
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case ExchangeRateType.fixed:
|
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final fromTicker =
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ref.read(estimatedRateExchangeFormProvider).from?.ticker ?? "";
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final toTicker =
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ref.read(estimatedRateExchangeFormProvider).to?.ticker ?? "";
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if (!(fromTicker.isEmpty ||
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toTicker.isEmpty ||
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toTicker == "-" ||
|
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fromTicker == "-")) {
|
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FixedRateMarket? market;
|
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try {
|
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market = ref
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.read(fixedRateMarketPairsStateProvider.state)
|
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.state
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.firstWhere((e) => e.from == fromTicker && e.to == toTicker);
|
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} catch (_) {
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market = null;
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}
|
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|
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final newFromAmount = Decimal.tryParse(_sendController.text);
|
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if (newFromAmount != null) {
|
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await ref
|
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.read(fixedRateExchangeFormProvider)
|
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.setFromAmountAndCalculateToAmount(newFromAmount, false);
|
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} else {
|
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await ref
|
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.read(fixedRateExchangeFormProvider)
|
|
.setFromAmountAndCalculateToAmount(Decimal.zero, false);
|
|
|
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_receiveController.text = "";
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}
|
|
|
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await ref
|
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.read(fixedRateExchangeFormProvider)
|
|
.updateMarket(market, false);
|
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await ref
|
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.read(fixedRateExchangeFormProvider)
|
|
.setFromAmountAndCalculateToAmount(
|
|
Decimal.tryParse(_sendController.text) ?? Decimal.zero,
|
|
true,
|
|
);
|
|
return;
|
|
}
|
|
unawaited(showFloatingFlushBar(
|
|
type: FlushBarType.warning,
|
|
message:
|
|
"Fixed rate trade pair \"$fromTicker-$toTicker\" unavailable. Reverting to last fixed rate pair.",
|
|
context: context,
|
|
));
|
|
break;
|
|
}
|
|
}
|
|
|
|
void onExchangePressed() async {
|
|
if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) {
|
|
final fromTicker =
|
|
ref.read(estimatedRateExchangeFormProvider).from?.ticker ?? "";
|
|
final toTicker =
|
|
ref.read(estimatedRateExchangeFormProvider).to?.ticker ?? "";
|
|
|
|
bool isAvailable = false;
|
|
final availableFloatingPairs =
|
|
ref.read(availableFloatingRatePairsStateProvider.state).state;
|
|
for (final pair in availableFloatingPairs) {
|
|
if (pair.from == fromTicker && pair.to == toTicker) {
|
|
isAvailable = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!isAvailable) {
|
|
unawaited(showDialog<dynamic>(
|
|
context: context,
|
|
barrierDismissible: true,
|
|
builder: (_) => StackDialog(
|
|
title: "Selected trade pair unavailable",
|
|
message:
|
|
"The $fromTicker - $toTicker market is currently disabled for estimated/floating rate trades",
|
|
),
|
|
));
|
|
return;
|
|
}
|
|
|
|
final sendAmount = Decimal.parse(
|
|
ref.read(estimatedRateExchangeFormProvider).fromAmountString);
|
|
|
|
final rateType = ref.read(prefsChangeNotifierProvider).exchangeRateType;
|
|
|
|
final response = await ref.read(changeNowProvider).getEstimate(
|
|
fromTicker,
|
|
toTicker,
|
|
sendAmount,
|
|
false,
|
|
false,
|
|
);
|
|
|
|
if (response.value == null) {
|
|
unawaited(showDialog<dynamic>(
|
|
context: context,
|
|
barrierDismissible: true,
|
|
builder: (_) => StackDialog(
|
|
title: "Failed to update trade estimate",
|
|
message: response.exception?.toString(),
|
|
),
|
|
));
|
|
return;
|
|
}
|
|
|
|
String rate =
|
|
"1 ${fromTicker.toUpperCase()} ~${(response.value!.estimatedAmount / sendAmount).toDecimal(scaleOnInfinitePrecision: 8).toStringAsFixed(8)} ${toTicker.toUpperCase()}";
|
|
|
|
final model = IncompleteExchangeModel(
|
|
sendTicker: fromTicker.toUpperCase(),
|
|
receiveTicker: toTicker.toUpperCase(),
|
|
rateInfo: rate,
|
|
sendAmount: sendAmount,
|
|
receiveAmount: response.value!.estimatedAmount,
|
|
rateType: rateType,
|
|
rateId: response.value!.rateId,
|
|
);
|
|
|
|
if (mounted) {
|
|
if (walletInitiated) {
|
|
ref.read(exchangeSendFromWalletIdStateProvider.state).state =
|
|
Tuple2(walletId!, coin!);
|
|
unawaited(Navigator.of(context).pushNamed(
|
|
Step2View.routeName,
|
|
arguments: model,
|
|
));
|
|
} else {
|
|
ref.read(exchangeSendFromWalletIdStateProvider.state).state = null;
|
|
unawaited(Navigator.of(context).pushNamed(
|
|
Step1View.routeName,
|
|
arguments: model,
|
|
));
|
|
}
|
|
}
|
|
} else {
|
|
final fromTicker =
|
|
ref.read(fixedRateExchangeFormProvider).market?.from ?? "";
|
|
final toTicker = ref.read(fixedRateExchangeFormProvider).market?.to ?? "";
|
|
|
|
final sendAmount = Decimal.parse(
|
|
ref.read(fixedRateExchangeFormProvider).fromAmountString);
|
|
|
|
final rateType = ref.read(prefsChangeNotifierProvider).exchangeRateType;
|
|
|
|
final response = await ref.read(changeNowProvider).getEstimate(
|
|
fromTicker,
|
|
toTicker,
|
|
sendAmount,
|
|
true,
|
|
false,
|
|
);
|
|
|
|
bool? shouldCancel;
|
|
|
|
if (response.value == null) {
|
|
unawaited(showDialog<dynamic>(
|
|
context: context,
|
|
barrierDismissible: true,
|
|
builder: (_) => StackDialog(
|
|
title: "Failed to update trade estimate",
|
|
message: response.exception?.toString(),
|
|
),
|
|
));
|
|
return;
|
|
} else if (response.value!.warningMessage != null &&
|
|
response.value!.warningMessage!.isNotEmpty) {
|
|
shouldCancel = await showDialog<bool?>(
|
|
context: context,
|
|
barrierDismissible: true,
|
|
builder: (_) => StackDialog(
|
|
title: "Failed to update trade estimate",
|
|
message:
|
|
"${response.value!.warningMessage!}\n\nDo you want to attempt trade anyways?",
|
|
leftButton: TextButton(
|
|
style: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.getSecondaryEnabledButtonColor(context),
|
|
child: Text(
|
|
"Cancel",
|
|
style: STextStyles.itemSubtitle12(context),
|
|
),
|
|
onPressed: () {
|
|
// notify return to cancel
|
|
Navigator.of(context).pop(true);
|
|
},
|
|
),
|
|
rightButton: TextButton(
|
|
style: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.getPrimaryEnabledButtonColor(context),
|
|
child: Text(
|
|
"Attempt",
|
|
style: STextStyles.button(context),
|
|
),
|
|
onPressed: () {
|
|
// continue and try to attempt trade
|
|
Navigator.of(context).pop(false);
|
|
},
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
if (shouldCancel is bool && shouldCancel) {
|
|
return;
|
|
}
|
|
|
|
String rate =
|
|
"1 ${fromTicker.toUpperCase()} ~${ref.read(fixedRateExchangeFormProvider).rate!.toStringAsFixed(8)} ${toTicker.toUpperCase()}";
|
|
|
|
final model = IncompleteExchangeModel(
|
|
sendTicker: fromTicker,
|
|
receiveTicker: toTicker,
|
|
rateInfo: rate,
|
|
sendAmount: sendAmount,
|
|
receiveAmount: response.value!.estimatedAmount,
|
|
rateType: rateType,
|
|
rateId: response.value!.rateId,
|
|
);
|
|
|
|
if (mounted) {
|
|
if (walletInitiated) {
|
|
ref.read(exchangeSendFromWalletIdStateProvider.state).state =
|
|
Tuple2(walletId!, coin!);
|
|
unawaited(Navigator.of(context).pushNamed(
|
|
Step2View.routeName,
|
|
arguments: model,
|
|
));
|
|
} else {
|
|
ref.read(exchangeSendFromWalletIdStateProvider.state).state = null;
|
|
unawaited(Navigator.of(context).pushNamed(
|
|
Step1View.routeName,
|
|
arguments: model,
|
|
));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool isWalletCoin(Coin? coin, bool isSend) {
|
|
if (coin == null) {
|
|
return false;
|
|
}
|
|
|
|
String? ticker;
|
|
|
|
if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) {
|
|
if (isSend) {
|
|
ticker = ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.from?.ticker));
|
|
} else {
|
|
ticker = ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.to?.ticker));
|
|
}
|
|
} else {
|
|
if (isSend) {
|
|
ticker = ref.read(fixedRateExchangeFormProvider).market?.from;
|
|
} else {
|
|
ticker = ref.read(fixedRateExchangeFormProvider).market?.to;
|
|
}
|
|
}
|
|
|
|
if (ticker == null) {
|
|
return false;
|
|
}
|
|
|
|
return coin.ticker.toUpperCase() == ticker.toUpperCase();
|
|
}
|
|
|
|
@override
|
|
void initState() {
|
|
_sendController = TextEditingController();
|
|
_receiveController = TextEditingController();
|
|
|
|
walletId = widget.walletId;
|
|
coin = widget.coin;
|
|
walletInitiated = walletId != null && coin != null;
|
|
|
|
if (walletInitiated) {
|
|
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
|
|
ref.read(estimatedRateExchangeFormProvider).clearAmounts(true);
|
|
// ref.read(fixedRateExchangeFormProvider);
|
|
});
|
|
} else {
|
|
final isEstimated =
|
|
ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated;
|
|
_sendController.text = isEstimated
|
|
? ref.read(estimatedRateExchangeFormProvider).fromAmountString
|
|
: ref.read(fixedRateExchangeFormProvider).fromAmountString;
|
|
_receiveController.text = isEstimated
|
|
? "-" //ref.read(estimatedRateExchangeFormProvider).toAmountString
|
|
: ref.read(fixedRateExchangeFormProvider).toAmountString;
|
|
}
|
|
|
|
_sendFocusNode.addListener(() async {
|
|
if (!_sendFocusNode.hasFocus) {
|
|
final newFromAmount = Decimal.tryParse(_sendController.text);
|
|
if (newFromAmount != null) {
|
|
if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) {
|
|
await ref
|
|
.read(estimatedRateExchangeFormProvider)
|
|
.setFromAmountAndCalculateToAmount(newFromAmount, true);
|
|
} else {
|
|
await ref
|
|
.read(fixedRateExchangeFormProvider)
|
|
.setFromAmountAndCalculateToAmount(newFromAmount, true);
|
|
}
|
|
} else {
|
|
if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) {
|
|
await ref
|
|
.read(estimatedRateExchangeFormProvider)
|
|
.setFromAmountAndCalculateToAmount(Decimal.zero, true);
|
|
} else {
|
|
await ref
|
|
.read(fixedRateExchangeFormProvider)
|
|
.setFromAmountAndCalculateToAmount(Decimal.zero, true);
|
|
}
|
|
_receiveController.text =
|
|
ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated
|
|
? "-"
|
|
: "";
|
|
}
|
|
}
|
|
});
|
|
_receiveFocusNode.addListener(() async {
|
|
if (!_receiveFocusNode.hasFocus) {
|
|
final newToAmount = Decimal.tryParse(_receiveController.text);
|
|
if (newToAmount != null) {
|
|
if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) {
|
|
// await ref
|
|
// .read(estimatedRateExchangeFormProvider)
|
|
// .setToAmountAndCalculateFromAmount(newToAmount, true);
|
|
} else {
|
|
await ref
|
|
.read(fixedRateExchangeFormProvider)
|
|
.setToAmountAndCalculateFromAmount(newToAmount, true);
|
|
}
|
|
} else {
|
|
if (ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) {
|
|
// await ref
|
|
// .read(estimatedRateExchangeFormProvider)
|
|
// .setToAmountAndCalculateFromAmount(Decimal.zero, true);
|
|
} else {
|
|
await ref
|
|
.read(fixedRateExchangeFormProvider)
|
|
.setToAmountAndCalculateFromAmount(Decimal.zero, true);
|
|
}
|
|
_sendController.text = "";
|
|
}
|
|
}
|
|
});
|
|
|
|
super.initState();
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_receiveController.dispose();
|
|
_sendController.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
debugPrint("BUILD: $runtimeType");
|
|
|
|
final isEstimated = ref.watch(prefsChangeNotifierProvider
|
|
.select((pref) => pref.exchangeRateType)) ==
|
|
ExchangeRateType.estimated;
|
|
|
|
ref.listen(
|
|
isEstimated
|
|
? estimatedRateExchangeFormProvider
|
|
.select((value) => value.toAmountString)
|
|
: fixedRateExchangeFormProvider.select(
|
|
(value) => value.toAmountString), (previous, String next) {
|
|
if (!_receiveFocusNode.hasFocus) {
|
|
_receiveController.text = isEstimated && next.isEmpty ? "-" : next;
|
|
debugPrint("RECEIVE AMOUNT LISTENER ACTIVATED");
|
|
if (_swapLock) {
|
|
_sendController.text = isEstimated
|
|
? ref.read(estimatedRateExchangeFormProvider).fromAmountString
|
|
: ref.read(fixedRateExchangeFormProvider).fromAmountString;
|
|
}
|
|
}
|
|
});
|
|
ref.listen(
|
|
isEstimated
|
|
? estimatedRateExchangeFormProvider
|
|
.select((value) => value.fromAmountString)
|
|
: fixedRateExchangeFormProvider.select(
|
|
(value) => value.fromAmountString), (previous, String next) {
|
|
if (!_sendFocusNode.hasFocus) {
|
|
_sendController.text = next;
|
|
debugPrint("SEND AMOUNT LISTENER ACTIVATED");
|
|
if (_swapLock) {
|
|
_receiveController.text = isEstimated
|
|
? ref
|
|
.read(estimatedRateExchangeFormProvider)
|
|
.toAmountString
|
|
.isEmpty
|
|
? "-"
|
|
: ref.read(estimatedRateExchangeFormProvider).toAmountString
|
|
: ref.read(fixedRateExchangeFormProvider).toAmountString;
|
|
}
|
|
}
|
|
});
|
|
|
|
return Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
crossAxisAlignment: CrossAxisAlignment.stretch,
|
|
children: [
|
|
Text(
|
|
"You will send",
|
|
style: STextStyles.itemSubtitle(context).copyWith(
|
|
color: Theme.of(context).extension<StackColors>()!.textDark3,
|
|
),
|
|
),
|
|
const SizedBox(
|
|
height: 4,
|
|
),
|
|
TextFormField(
|
|
style: STextStyles.smallMed14(context).copyWith(
|
|
color: Theme.of(context).extension<StackColors>()!.textDark,
|
|
),
|
|
focusNode: _sendFocusNode,
|
|
controller: _sendController,
|
|
textAlign: TextAlign.right,
|
|
onTap: () {
|
|
if (_sendController.text == "-") {
|
|
_sendController.text = "";
|
|
}
|
|
},
|
|
onChanged: sendFieldOnChanged,
|
|
keyboardType: const TextInputType.numberWithOptions(
|
|
signed: false,
|
|
decimal: true,
|
|
),
|
|
inputFormatters: [
|
|
// regex to validate a crypto amount with 8 decimal places
|
|
TextInputFormatter.withFunction((oldValue, newValue) =>
|
|
RegExp(r'^([0-9]*[,.]?[0-9]{0,8}|[,.][0-9]{0,8})$')
|
|
.hasMatch(newValue.text)
|
|
? newValue
|
|
: oldValue),
|
|
],
|
|
decoration: InputDecoration(
|
|
contentPadding: const EdgeInsets.only(
|
|
top: 12,
|
|
right: 12,
|
|
),
|
|
hintText: "0",
|
|
hintStyle: STextStyles.fieldLabel(context).copyWith(
|
|
fontSize: 14,
|
|
),
|
|
prefixIcon: FittedBox(
|
|
fit: BoxFit.scaleDown,
|
|
alignment: Alignment.centerLeft,
|
|
child: GestureDetector(
|
|
onTap: selectSendCurrency,
|
|
child: Container(
|
|
color: Colors.transparent,
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(12),
|
|
child: Row(
|
|
children: [
|
|
Container(
|
|
width: 18,
|
|
height: 18,
|
|
decoration: BoxDecoration(
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: Builder(
|
|
builder: (context) {
|
|
String? image;
|
|
if (ref.watch(prefsChangeNotifierProvider.select(
|
|
(value) => value.exchangeRateType)) ==
|
|
ExchangeRateType.estimated) {
|
|
image = ref
|
|
.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.from))
|
|
?.image;
|
|
} else {
|
|
image = _fetchIconUrlFromTickerForFixedRateFlow(
|
|
ref.watch(
|
|
fixedRateExchangeFormProvider.select(
|
|
(value) => value.market?.from)));
|
|
}
|
|
if (image != null && image.isNotEmpty) {
|
|
return Center(
|
|
child: SvgPicture.network(
|
|
image,
|
|
height: 18,
|
|
placeholderBuilder: (_) => Container(
|
|
width: 18,
|
|
height: 18,
|
|
decoration: BoxDecoration(
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textFieldDefaultBG,
|
|
borderRadius: BorderRadius.circular(
|
|
18,
|
|
),
|
|
),
|
|
child: ClipRRect(
|
|
borderRadius: BorderRadius.circular(
|
|
18,
|
|
),
|
|
child: const LoadingIndicator(),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
} else {
|
|
return Container(
|
|
width: 18,
|
|
height: 18,
|
|
decoration: BoxDecoration(
|
|
// color: Theme.of(context).extension<StackColors>()!.accentColorDark
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: SvgPicture.asset(
|
|
Assets.svg.circleQuestion,
|
|
width: 18,
|
|
height: 18,
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textFieldDefaultBG,
|
|
),
|
|
);
|
|
}
|
|
},
|
|
),
|
|
),
|
|
const SizedBox(
|
|
width: 6,
|
|
),
|
|
Text(
|
|
ref.watch(prefsChangeNotifierProvider.select(
|
|
(value) => value.exchangeRateType)) ==
|
|
ExchangeRateType.estimated
|
|
? ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) =>
|
|
value.from?.ticker.toUpperCase())) ??
|
|
"-"
|
|
: ref.watch(fixedRateExchangeFormProvider.select(
|
|
(value) =>
|
|
value.market?.from.toUpperCase())) ??
|
|
"-",
|
|
style: STextStyles.smallMed14(context).copyWith(
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textDark,
|
|
),
|
|
),
|
|
if (!isWalletCoin(coin, true))
|
|
const SizedBox(
|
|
width: 6,
|
|
),
|
|
if (!isWalletCoin(coin, true))
|
|
SvgPicture.asset(
|
|
Assets.svg.chevronDown,
|
|
width: 5,
|
|
height: 2.5,
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textDark,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(
|
|
height: 4,
|
|
),
|
|
Stack(
|
|
children: [
|
|
Positioned.fill(
|
|
child: Align(
|
|
alignment: Alignment.bottomLeft,
|
|
child: Text(
|
|
"You will receive",
|
|
style: STextStyles.itemSubtitle(context).copyWith(
|
|
color:
|
|
Theme.of(context).extension<StackColors>()!.textDark3,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
Center(
|
|
child: Column(
|
|
children: [
|
|
const SizedBox(
|
|
height: 6,
|
|
),
|
|
GestureDetector(
|
|
onTap: () async {
|
|
await _swap();
|
|
},
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(4),
|
|
child: SvgPicture.asset(
|
|
Assets.svg.swap,
|
|
width: 20,
|
|
height: 20,
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.accentColorDark,
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(
|
|
height: 6,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
Positioned.fill(
|
|
child: Align(
|
|
alignment: Alignment.topRight,
|
|
child: Text(
|
|
ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated
|
|
? ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.minimumSendWarning))
|
|
: ref.watch(fixedRateExchangeFormProvider
|
|
.select((value) => value.sendAmountWarning)),
|
|
style: STextStyles.errorSmall(context),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(
|
|
height: 4,
|
|
),
|
|
TextFormField(
|
|
style: STextStyles.smallMed14(context).copyWith(
|
|
color: Theme.of(context).extension<StackColors>()!.textDark,
|
|
),
|
|
focusNode: _receiveFocusNode,
|
|
controller: _receiveController,
|
|
readOnly: ref.watch(prefsChangeNotifierProvider
|
|
.select((value) => value.exchangeRateType)) ==
|
|
ExchangeRateType.estimated,
|
|
onTap: () {
|
|
if (!(ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated) &&
|
|
_receiveController.text == "-") {
|
|
_receiveController.text = "";
|
|
}
|
|
},
|
|
onChanged: receiveFieldOnChanged,
|
|
textAlign: TextAlign.right,
|
|
keyboardType: const TextInputType.numberWithOptions(
|
|
signed: false,
|
|
decimal: true,
|
|
),
|
|
inputFormatters: [
|
|
// regex to validate a crypto amount with 8 decimal places
|
|
TextInputFormatter.withFunction((oldValue, newValue) =>
|
|
RegExp(r'^([0-9]*[,.]?[0-9]{0,8}|[,.][0-9]{0,8})$')
|
|
.hasMatch(newValue.text)
|
|
? newValue
|
|
: oldValue),
|
|
],
|
|
decoration: InputDecoration(
|
|
contentPadding: const EdgeInsets.only(
|
|
top: 12,
|
|
right: 12,
|
|
),
|
|
hintText: "0",
|
|
hintStyle: STextStyles.fieldLabel(context).copyWith(
|
|
fontSize: 14,
|
|
),
|
|
prefixIcon: FittedBox(
|
|
fit: BoxFit.scaleDown,
|
|
child: GestureDetector(
|
|
onTap: selectReceiveCurrency,
|
|
child: Container(
|
|
color: Colors.transparent,
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(12),
|
|
child: Row(
|
|
children: [
|
|
Container(
|
|
width: 18,
|
|
height: 18,
|
|
decoration: BoxDecoration(
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: Builder(
|
|
builder: (context) {
|
|
String? image;
|
|
if (ref.watch(prefsChangeNotifierProvider.select(
|
|
(value) => value.exchangeRateType)) ==
|
|
ExchangeRateType.estimated) {
|
|
image = ref
|
|
.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.to))
|
|
?.image;
|
|
} else {
|
|
image = _fetchIconUrlFromTickerForFixedRateFlow(
|
|
ref.watch(fixedRateExchangeFormProvider
|
|
.select((value) => value.market?.to)));
|
|
}
|
|
if (image != null && image.isNotEmpty) {
|
|
return Center(
|
|
child: SvgPicture.network(
|
|
image,
|
|
height: 18,
|
|
placeholderBuilder: (_) => Container(
|
|
width: 18,
|
|
height: 18,
|
|
decoration: BoxDecoration(
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textFieldDefaultBG,
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: ClipRRect(
|
|
borderRadius: BorderRadius.circular(
|
|
18,
|
|
),
|
|
child: const LoadingIndicator(),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
} else {
|
|
return Container(
|
|
width: 18,
|
|
height: 18,
|
|
decoration: BoxDecoration(
|
|
// color: Theme.of(context).extension<StackColors>()!.accentColorDark
|
|
borderRadius: BorderRadius.circular(18),
|
|
),
|
|
child: SvgPicture.asset(
|
|
Assets.svg.circleQuestion,
|
|
width: 18,
|
|
height: 18,
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textFieldDefaultBG,
|
|
),
|
|
);
|
|
}
|
|
},
|
|
),
|
|
),
|
|
const SizedBox(
|
|
width: 6,
|
|
),
|
|
Text(
|
|
ref.watch(prefsChangeNotifierProvider.select(
|
|
(value) => value.exchangeRateType)) ==
|
|
ExchangeRateType.estimated
|
|
? ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) =>
|
|
value.to?.ticker.toUpperCase())) ??
|
|
"-"
|
|
: ref.watch(fixedRateExchangeFormProvider.select(
|
|
(value) =>
|
|
value.market?.to.toUpperCase())) ??
|
|
"-",
|
|
style: STextStyles.smallMed14(context).copyWith(
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textDark,
|
|
),
|
|
),
|
|
if (!isWalletCoin(coin, false))
|
|
const SizedBox(
|
|
width: 6,
|
|
),
|
|
if (!isWalletCoin(coin, false))
|
|
SvgPicture.asset(
|
|
Assets.svg.chevronDown,
|
|
width: 5,
|
|
height: 2.5,
|
|
color: Theme.of(context)
|
|
.extension<StackColors>()!
|
|
.textDark,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
const SizedBox(
|
|
height: 12,
|
|
),
|
|
RateTypeToggle(
|
|
onChanged: onRateTypeChanged,
|
|
),
|
|
const SizedBox(
|
|
height: 8,
|
|
),
|
|
ExchangeProviderOptions(
|
|
fromAmount: null,
|
|
toAmount: null,
|
|
fixedRate: ref.watch(prefsChangeNotifierProvider
|
|
.select((value) => value.exchangeRateType)) ==
|
|
ExchangeRateType.fixed,
|
|
reversed: _reversed,
|
|
),
|
|
const SizedBox(
|
|
height: 12,
|
|
),
|
|
PrimaryButton(
|
|
enabled: ((ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated)
|
|
? ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.canExchange))
|
|
: ref.watch(fixedRateExchangeFormProvider
|
|
.select((value) => value.canExchange))),
|
|
onPressed: ((ref.read(prefsChangeNotifierProvider).exchangeRateType ==
|
|
ExchangeRateType.estimated)
|
|
? ref.watch(estimatedRateExchangeFormProvider
|
|
.select((value) => value.canExchange))
|
|
: ref.watch(fixedRateExchangeFormProvider
|
|
.select((value) => value.canExchange)))
|
|
? onExchangePressed
|
|
: null,
|
|
label: "Exchange",
|
|
)
|
|
],
|
|
);
|
|
}
|
|
}
|