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show trocador provider options

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This commit is contained in:
julian 2023-05-02 10:22:35 -06:00
parent 89f806f394
commit 3564426248
4 changed files with 240 additions and 187 deletions
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21
lib/models/exchange/exchange_form_state.dart
View file

@ -1,3 +1,5 @@
import 'dart:async';
import 'package:decimal/decimal.dart';
import 'package:flutter/foundation.dart';
import 'package:stackwallet/models/exchange/aggregate_currency.dart';
@ -158,16 +160,23 @@ class ExchangeFormState extends ChangeNotifier {
required String providerName,
required bool shouldUpdateData,
required bool shouldNotifyListeners,
bool shouldAwait = true,
}) async {
_exchange = exchange;
_providerName = providerName;
if (shouldUpdateData) {
await _updateRangesAndEstimate(
shouldNotifyListeners: false,
);
}
if (shouldNotifyListeners) {
if (shouldAwait) {
await _updateRangesAndEstimate(
shouldNotifyListeners: shouldNotifyListeners,
);
} else {
unawaited(
_updateRangesAndEstimate(
shouldNotifyListeners: shouldNotifyListeners,
),
);
}
} else if (shouldNotifyListeners) {
_notify();
}
}

377
lib/pages/exchange_view/sub_widgets/exchange_provider_option.dart
View file

@ -8,7 +8,6 @@ import 'package:stackwallet/providers/exchange/exchange_form_state_provider.dart
import 'package:stackwallet/providers/global/locale_provider.dart';
import 'package:stackwallet/services/exchange/exchange.dart';
import 'package:stackwallet/services/exchange/exchange_response.dart';
import 'package:stackwallet/services/exchange/trocador/trocador_exchange.dart';
import 'package:stackwallet/utilities/amount/amount.dart';
import 'package:stackwallet/utilities/assets.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
@ -21,35 +20,25 @@ import 'package:stackwallet/widgets/conditional_parent.dart';
import 'package:stackwallet/widgets/exchange/trocador/trocador_kyc_info_button.dart';
import 'package:stackwallet/widgets/exchange/trocador/trocador_rating_type_enum.dart';
class ExchangeProviderOption extends ConsumerStatefulWidget {
const ExchangeProviderOption({
class ExchangeOption extends ConsumerStatefulWidget {
const ExchangeOption({
Key? key,
required this.exchange,
required this.exchangeProvider,
required this.fixedRate,
required this.reversed,
}) : super(key: key);
final Exchange exchange;
final String exchangeProvider;
final bool fixedRate;
final bool reversed;
@override
ConsumerState<ExchangeProviderOption> createState() =>
_ExchangeProviderOptionState();
ConsumerState<ExchangeOption> createState() =>
_ExchangeMultiProviderOptionState();
}
class _ExchangeProviderOptionState
extends ConsumerState<ExchangeProviderOption> {
class _ExchangeMultiProviderOptionState extends ConsumerState<ExchangeOption> {
final isDesktop = Util.isDesktop;
late final String _id;
@override
void initState() {
_id = "${widget.exchange.name} (${widget.exchangeProvider})";
super.initState();
}
@override
Widget build(BuildContext context) {
@ -62,9 +51,179 @@ class _ExchangeProviderOptionState
final toAmount = ref.watch(
exchangeFormStateProvider.select((value) => value.receiveAmount));
final selected = ref.watch(exchangeFormStateProvider
return AnimatedSize(
duration: const Duration(milliseconds: 500),
curve: Curves.easeInOutCubicEmphasized,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
if (sendCurrency != null &&
receivingCurrency != null &&
toAmount != null &&
toAmount > Decimal.zero &&
fromAmount != null &&
fromAmount > Decimal.zero)
FutureBuilder(
future: widget.exchange.getEstimates(
sendCurrency.ticker,
receivingCurrency.ticker,
widget.reversed ? toAmount : fromAmount,
widget.fixedRate,
widget.reversed,
),
builder: (context,
AsyncSnapshot<ExchangeResponse<List<Estimate>>> snapshot) {
if (snapshot.connectionState == ConnectionState.done &&
snapshot.hasData) {
final estimates = snapshot.data?.value;
if (estimates != null && estimates.isNotEmpty) {
return Column(
mainAxisSize: MainAxisSize.min,
children: [
for (int i = 0; i < estimates.length; i++)
Builder(
builder: (context) {
final e = estimates[i];
int decimals;
try {
decimals = coinFromTickerCaseInsensitive(
receivingCurrency.ticker)
.decimals;
} catch (_) {
decimals = 8; // some reasonable alternative
}
Amount rate;
if (e.reversed) {
rate = (toAmount / e.estimatedAmount)
.toDecimal(scaleOnInfinitePrecision: 18)
.toAmount(fractionDigits: decimals);
} else {
rate = (e.estimatedAmount / fromAmount)
.toDecimal(scaleOnInfinitePrecision: 18)
.toAmount(fractionDigits: decimals);
}
final rateString =
"1 ${sendCurrency.ticker.toUpperCase()} ~ ${rate.localizedStringAsFixed(
locale: ref.watch(
localeServiceChangeNotifierProvider
.select((value) => value.locale),
),
)} ${receivingCurrency.ticker.toUpperCase()}";
return ConditionalParent(
condition: i > 0,
builder: (child) => Column(
mainAxisSize: MainAxisSize.min,
children: [
isDesktop
? Container(
height: 1,
color: Theme.of(context)
.extension<StackColors>()!
.background,
)
: const SizedBox(
height: 16,
),
child,
],
),
child: _ProviderOption(
key: Key(widget.exchange.name +
e.exchangeProvider),
exchange: widget.exchange,
providerName: e.exchangeProvider,
rateString: rateString,
kycRating: e.kycRating,
),
);
},
),
],
);
} else if (snapshot.data?.exception
is PairUnavailableException) {
return _ProviderOption(
exchange: widget.exchange,
providerName: widget.exchange.name,
rateString: "Unsupported pair",
);
} else {
Logging.instance.log(
"$runtimeType failed to fetch rate for ${widget.exchange.name}: ${snapshot.data}",
level: LogLevel.Warning,
);
return _ProviderOption(
exchange: widget.exchange,
providerName: widget.exchange.name,
rateString: "Failed to fetch rate",
);
}
} else {
// show loading
return _ProviderOption(
exchange: widget.exchange,
providerName: widget.exchange.name,
rateString: "",
loadingString: true,
);
}
},
),
],
),
);
}
}
class _ProviderOption extends ConsumerStatefulWidget {
const _ProviderOption({
Key? key,
required this.exchange,
required this.providerName,
required this.rateString,
this.kycRating,
this.loadingString = false,
}) : super(key: key);
final Exchange exchange;
final String providerName;
final String rateString;
final String? kycRating;
final bool loadingString;
@override
ConsumerState<_ProviderOption> createState() => _ProviderOptionState();
}
class _ProviderOptionState extends ConsumerState<_ProviderOption> {
final isDesktop = Util.isDesktop;
late final String _id;
@override
void initState() {
_id = "${widget.exchange.name} (${widget.providerName})";
super.initState();
}
@override
Widget build(BuildContext context) {
bool selected = ref.watch(exchangeFormStateProvider
.select((value) => value.combinedExchangeId)) ==
_id;
String groupValue = ref.watch(
exchangeFormStateProvider.select((value) => value.combinedExchangeId));
if (ref.watch(
exchangeFormStateProvider.select((value) => value.exchange.name)) ==
widget.providerName) {
selected = true;
groupValue = _id;
}
return ConditionalParent(
condition: isDesktop,
@ -75,17 +234,12 @@ class _ExchangeProviderOptionState
child: GestureDetector(
onTap: () {
if (!selected) {
// showLoading(
// whileFuture:
ref.read(exchangeFormStateProvider).updateExchange(
exchange: widget.exchange,
shouldUpdateData: true,
shouldNotifyListeners: true,
providerName: widget.exchangeProvider,
// ),
// context: context,
// message: "Updating rates",
// isDesktop: isDesktop,
providerName: widget.providerName,
shouldAwait: false,
);
}
},
@ -107,15 +261,15 @@ class _ExchangeProviderOptionState
.extension<StackColors>()!
.radioButtonIconEnabled,
value: _id,
groupValue: ref.watch(exchangeFormStateProvider
.select((value) => value.combinedExchangeId)),
groupValue: groupValue,
onChanged: (_) {
if (!selected) {
ref.read(exchangeFormStateProvider).updateExchange(
exchange: widget.exchange,
shouldUpdateData: false,
shouldNotifyListeners: true,
providerName: widget.exchangeProvider,
providerName: widget.providerName,
shouldAwait: false,
);
}
},
@ -149,153 +303,46 @@ class _ExchangeProviderOptionState
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
widget.exchangeProvider,
widget.providerName,
style: STextStyles.titleBold12(context).copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textDark2,
),
),
if (sendCurrency != null &&
receivingCurrency != null &&
toAmount != null &&
toAmount > Decimal.zero &&
fromAmount != null &&
fromAmount > Decimal.zero)
FutureBuilder(
future: widget.exchange.getEstimates(
sendCurrency.ticker,
receivingCurrency.ticker,
widget.reversed ? toAmount : fromAmount,
widget.fixedRate,
widget.reversed,
),
builder: (context,
AsyncSnapshot<ExchangeResponse<List<Estimate>>>
snapshot) {
if (snapshot.connectionState ==
ConnectionState.done &&
snapshot.hasData) {
final estimates = snapshot.data?.value;
if (estimates != null &&
estimates
.where((e) =>
e.exchangeProvider ==
widget.exchangeProvider)
.isNotEmpty) {
final estimate = estimates.firstWhere((e) =>
e.exchangeProvider ==
widget.exchangeProvider);
int decimals;
try {
decimals = coinFromTickerCaseInsensitive(
receivingCurrency.ticker)
.decimals;
} catch (_) {
decimals = 8; // some reasonable alternative
}
Amount rate;
if (estimate.reversed) {
rate = (toAmount / estimate.estimatedAmount)
.toDecimal(scaleOnInfinitePrecision: 18)
.toAmount(fractionDigits: decimals);
} else {
rate = (estimate.estimatedAmount / fromAmount)
.toDecimal(scaleOnInfinitePrecision: 18)
.toAmount(fractionDigits: decimals);
}
return ConditionalParent(
condition: widget.exchange.name ==
TrocadorExchange.exchangeName,
builder: (child) {
return Row(
children: [
child,
TrocadorKYCInfoButton(
kycType: TrocadorKYCType.fromString(
estimate.kycRating!,
),
),
],
);
},
child: Text(
"1 ${sendCurrency.ticker.toUpperCase()} ~ ${rate.localizedStringAsFixed(
locale: ref.watch(
localeServiceChangeNotifierProvider
.select((value) => value.locale),
),
)} ${receivingCurrency.ticker.toUpperCase()}",
style: STextStyles.itemSubtitle12(context)
.copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
),
);
} else if (snapshot.data?.exception
is PairUnavailableException) {
return Text(
"Unsupported pair",
style: STextStyles.itemSubtitle12(context)
.copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
);
} else {
Logging.instance.log(
"$runtimeType failed to fetch rate for $_id}: ${snapshot.data}",
level: LogLevel.Warning,
);
return Text(
"Failed to fetch rate",
style: STextStyles.itemSubtitle12(context)
.copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
);
}
} else {
return AnimatedText(
stringsToLoopThrough: const [
"Loading",
"Loading.",
"Loading..",
"Loading...",
],
style: STextStyles.itemSubtitle12(context)
.copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
);
}
},
),
if (!(sendCurrency != null &&
receivingCurrency != null &&
toAmount != null &&
toAmount > Decimal.zero &&
fromAmount != null &&
fromAmount > Decimal.zero))
Text(
"n/a",
style: STextStyles.itemSubtitle12(context).copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
),
widget.loadingString
? AnimatedText(
stringsToLoopThrough: const [
"Loading",
"Loading.",
"Loading..",
"Loading...",
],
style:
STextStyles.itemSubtitle12(context).copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
)
: Text(
widget.rateString,
style:
STextStyles.itemSubtitle12(context).copyWith(
color: Theme.of(context)
.extension<StackColors>()!
.textSubtitle1,
),
),
],
),
),
if (widget.kycRating != null)
TrocadorKYCInfoButton(
kycType: TrocadorKYCType.fromString(
widget.kycRating!,
),
),
],
),
),

9
lib/pages/exchange_view/sub_widgets/exchange_provider_options.dart
View file

@ -84,9 +84,8 @@ class _ExchangeProviderOptionsState
child: Column(
children: [
if (showChangeNow)
ExchangeProviderOption(
ExchangeOption(
exchange: ChangeNowExchange.instance,
exchangeProvider: ChangeNowExchange.exchangeName,
fixedRate: widget.fixedRate,
reversed: widget.reversed,
),
@ -101,9 +100,8 @@ class _ExchangeProviderOptionsState
height: 16,
),
if (showMajesticBank)
ExchangeProviderOption(
ExchangeOption(
exchange: MajesticBankExchange.instance,
exchangeProvider: MajesticBankExchange.exchangeName,
fixedRate: widget.fixedRate,
reversed: widget.reversed,
),
@ -118,11 +116,10 @@ class _ExchangeProviderOptionsState
height: 16,
),
if (showTrocador)
ExchangeProviderOption(
ExchangeOption(
fixedRate: widget.fixedRate,
reversed: widget.reversed,
exchange: TrocadorExchange.instance,
exchangeProvider: 'LetsExchange',
),
],
),

20
lib/services/exchange/trocador/trocador_exchange.dart
View file

@ -187,9 +187,7 @@ class TrocadorExchange extends Exchange {
bool fixedRate,
bool reversed,
) async {
final isPayment = reversed || fixedRate;
final response = isPayment
final response = reversed
? await TrocadorAPI.getNewPaymentRate(
isOnion: false,
fromTicker: from,
@ -215,14 +213,15 @@ class TrocadorExchange extends Exchange {
final List<TrocadorQuote> cOrLowerQuotes = [];
for (final quote in response.value!.quotes) {
if (quote.fixed == isPayment) {
if (quote.fixed == fixedRate &&
quote.provider.toLowerCase() != "changenow") {
final rating = quote.kycRating.toLowerCase();
if (rating == "a" || rating == "b") {
estimates.add(
Estimate(
estimatedAmount: isPayment ? quote.amountFrom! : quote.amountTo!,
estimatedAmount: reversed ? quote.amountFrom! : quote.amountTo!,
fixedRate: quote.fixed,
reversed: isPayment,
reversed: reversed,
exchangeProvider: quote.provider,
rateId: response.value!.tradeId,
kycRating: quote.kycRating,
@ -236,13 +235,13 @@ class TrocadorExchange extends Exchange {
cOrLowerQuotes.sort((a, b) => b.waste.compareTo(a.waste));
for (int i = 0; i < max(3, cOrLowerQuotes.length); i++) {
for (int i = 0; i < min(3, cOrLowerQuotes.length); i++) {
final quote = cOrLowerQuotes[i];
estimates.add(
Estimate(
estimatedAmount: isPayment ? quote.amountFrom! : quote.amountTo!,
estimatedAmount: reversed ? quote.amountFrom! : quote.amountTo!,
fixedRate: quote.fixed,
reversed: isPayment,
reversed: reversed,
exchangeProvider: quote.provider,
rateId: response.value!.tradeId,
kycRating: quote.kycRating,
@ -251,7 +250,8 @@ class TrocadorExchange extends Exchange {
}
return ExchangeResponse(
value: estimates,
value: estimates
..sort((a, b) => b.estimatedAmount.compareTo(a.estimatedAmount)),
);
}