cake_wallet/lib/buy/buy_quote.dart

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Cw 657 new buy sell flow (#1553) * init commit * onramper * moonPay * dfx provider * meld * dfx payment methods * fiat buy credentials * moonpay payment method * payment loading state * dfx sell quote * onramper launch trade * meld launch trade * country picker * update option tile * buy/sell action * meld refactor * update pr_test_build.yml * ui fixes * revert country picker commit * update the ui * recommended providers * payment method [skip ci] * provider option tile * remove buy action * minor fixes * update the best rate when the amount is changed * fixes for currency title * fix icons * code refactoring * null issue * code review fixes * Update pr_test_build_linux.yml * Update meld_buy_provider.dart * Update meld_buy_provider.dart * add show wallets action * remove default sell / buy provider setting * localisation * providerTypes * icons * remove duplicate file [skip ci] * minor changes [skip ci] * fixes from review * disable dfx for non eur/chf currencies fix providers to be fetched with the selected currency * fix breaking from loop if one element failed * fix minor naming issue from merging conflicts * add fiat check for moonpay * fix address validation * merge conflict * fix destination and source currency * minor fix * minor fix * update the flow * fix bch address format * fix wallet addresses * fix initial fetching amount. * Update address_validator.dart * review comments * revert switch case to return null * minor fix --------- Co-authored-by: OmarHatem <omarh.ismail1@gmail.com>
2024-11-09 19:00:56 +00:00
import 'package:cake_wallet/buy/buy_provider.dart';
import 'package:cake_wallet/buy/payment_method.dart';
import 'package:cake_wallet/core/selectable_option.dart';
import 'package:cake_wallet/entities/fiat_currency.dart';
import 'package:cake_wallet/entities/provider_types.dart';
import 'package:cake_wallet/exchange/limits.dart';
import 'package:cw_core/crypto_currency.dart';
enum ProviderRecommendation { bestRate, lowKyc, successRate }
extension RecommendationTitle on ProviderRecommendation {
String get title {
switch (this) {
case ProviderRecommendation.bestRate:
return 'BEST RATE';
case ProviderRecommendation.lowKyc:
return 'LOW KYC';
case ProviderRecommendation.successRate:
return 'SUCCESS RATE';
}
}
}
ProviderRecommendation? getRecommendationFromString(String title) {
switch (title) {
case 'BEST RATE':
return ProviderRecommendation.bestRate;
case 'LowKyc':
return ProviderRecommendation.lowKyc;
case 'SuccessRate':
return ProviderRecommendation.successRate;
default:
return null;
}
}
class Quote extends SelectableOption {
Quote({
required this.rate,
required this.feeAmount,
required this.networkFee,
required this.transactionFee,
required this.payout,
required this.provider,
required this.paymentType,
required this.recommendations,
this.isBuyAction = true,
this.quoteId,
this.rampId,
this.rampName,
this.rampIconPath,
this.limits,
}) : super(title: provider.isAggregator ? rampName ?? '' : provider.title);
final double rate;
final double feeAmount;
final double networkFee;
final double transactionFee;
final double payout;
final PaymentType paymentType;
final BuyProvider provider;
final String? quoteId;
final List<ProviderRecommendation> recommendations;
String? rampId;
String? rampName;
String? rampIconPath;
bool _isSelected = false;
bool _isBestRate = false;
bool isBuyAction;
Limits? limits;
late FiatCurrency _fiatCurrency;
late CryptoCurrency _cryptoCurrency;
bool get isSelected => _isSelected;
bool get isBestRate => _isBestRate;
FiatCurrency get fiatCurrency => _fiatCurrency;
CryptoCurrency get cryptoCurrency => _cryptoCurrency;
@override
bool get isOptionSelected => this._isSelected;
@override
String get lightIconPath =>
provider.isAggregator ? rampIconPath ?? provider.lightIcon : provider.lightIcon;
@override
String get darkIconPath =>
provider.isAggregator ? rampIconPath ?? provider.darkIcon : provider.darkIcon;
@override
List<String> get badges => recommendations.map((e) => e.title).toList();
@override
String get topLeftSubTitle =>
this.rate > 0 ? '1 $cryptoName = ${rate.toStringAsFixed(2)} $fiatName' : '';
@override
String get bottomLeftSubTitle {
if (limits != null) {
final min = limits!.min;
final max = limits!.max;
return 'min: ${min} ${fiatCurrency.toString()} | max: ${max == double.infinity ? '' : '${max} ${fiatCurrency.toString()}'}';
}
return '';
}
String get fiatName => isBuyAction ? fiatCurrency.toString() : cryptoCurrency.toString();
String get cryptoName => isBuyAction ? cryptoCurrency.toString() : fiatCurrency.toString();
@override
String? get topRightSubTitle => '';
@override
String get topRightSubTitleLightIconPath => provider.isAggregator ? provider.lightIcon : '';
@override
String get topRightSubTitleDarkIconPath => provider.isAggregator ? provider.darkIcon : '';
String get quoteTitle => '${provider.title} - ${paymentType.name}';
String get formatedFee => '$feeAmount ${isBuyAction ? fiatCurrency : cryptoCurrency}';
set setIsSelected(bool isSelected) => _isSelected = isSelected;
set setIsBestRate(bool isBestRate) => _isBestRate = isBestRate;
set setFiatCurrency(FiatCurrency fiatCurrency) => _fiatCurrency = fiatCurrency;
set setCryptoCurrency(CryptoCurrency cryptoCurrency) => _cryptoCurrency = cryptoCurrency;
set setLimits(Limits limits) => this.limits = limits;
factory Quote.fromOnramperJson(Map<String, dynamic> json, bool isBuyAction,
Map<String, dynamic> metaData, PaymentType paymentType) {
final rate = _toDouble(json['rate']) ?? 0.0;
final networkFee = _toDouble(json['networkFee']) ?? 0.0;
final transactionFee = _toDouble(json['transactionFee']) ?? 0.0;
final feeAmount = double.parse((networkFee + transactionFee).toStringAsFixed(2));
final rampId = json['ramp'] as String? ?? '';
final rampData = metaData[rampId] ?? {};
final rampName = rampData['displayName'] as String? ?? '';
final rampIconPath = rampData['svg'] as String? ?? '';
final recommendations = json['recommendations'] != null
? List<String>.from(json['recommendations'] as List<dynamic>)
: <String>[];
final enumRecommendations = recommendations
.map((e) => getRecommendationFromString(e))
.whereType<ProviderRecommendation>()
.toList();
final availablePaymentMethods = json['availablePaymentMethods'] as List<dynamic>? ?? [];
double minLimit = 0.0;
double maxLimit = double.infinity;
for (var paymentMethod in availablePaymentMethods) {
if (paymentMethod is Map<String, dynamic>) {
final details = paymentMethod['details'] as Map<String, dynamic>?;
if (details != null) {
final limits = details['limits'] as Map<String, dynamic>?;
if (limits != null && limits.isNotEmpty) {
final firstLimitEntry = limits.values.first as Map<String, dynamic>?;
if (firstLimitEntry != null) {
minLimit = _toDouble(firstLimitEntry['min'])?.roundToDouble() ?? 0.0;
maxLimit = _toDouble(firstLimitEntry['max'])?.roundToDouble() ?? double.infinity;
break;
}
}
}
}
}
return Quote(
rate: rate,
feeAmount: feeAmount,
networkFee: networkFee,
transactionFee: transactionFee,
payout: json['payout'] as double? ?? 0.0,
rampId: rampId,
rampName: rampName,
rampIconPath: rampIconPath,
paymentType: paymentType,
quoteId: json['quoteId'] as String? ?? '',
recommendations: enumRecommendations,
provider: ProvidersHelper.getProviderByType(ProviderType.onramper)!,
isBuyAction: isBuyAction,
limits: Limits(min: minLimit, max: maxLimit),
);
}
factory Quote.fromMoonPayJson(
Map<String, dynamic> json, bool isBuyAction, PaymentType paymentType) {
final rate = isBuyAction
? json['quoteCurrencyPrice'] as double? ?? 0.0
: json['baseCurrencyPrice'] as double? ?? 0.0;
final fee = _toDouble(json['feeAmount']) ?? 0.0;
final networkFee = _toDouble(json['networkFeeAmount']) ?? 0.0;
final transactionFee = _toDouble(json['extraFeeAmount']) ?? 0.0;
final feeAmount = double.parse((fee + networkFee + transactionFee).toStringAsFixed(2));
final baseCurrency = json['baseCurrency'] as Map<String, dynamic>?;
double minLimit = 0.0;
double maxLimit = double.infinity;
if (baseCurrency != null) {
minLimit = _toDouble(baseCurrency['minAmount']) ?? minLimit;
maxLimit = _toDouble(baseCurrency['maxAmount']) ?? maxLimit;
}
return Quote(
rate: rate,
feeAmount: feeAmount,
networkFee: networkFee,
transactionFee: transactionFee,
payout: _toDouble(json['quoteCurrencyAmount']) ?? 0.0,
paymentType: paymentType,
recommendations: [],
quoteId: json['signature'] as String? ?? '',
provider: ProvidersHelper.getProviderByType(ProviderType.moonpay)!,
isBuyAction: isBuyAction,
limits: Limits(min: minLimit, max: maxLimit),
);
}
factory Quote.fromDFXJson(
Map<String, dynamic> json,
bool isBuyAction,
PaymentType paymentType,
) {
final rate = _toDouble(json['exchangeRate']) ?? 0.0;
final fees = json['fees'] as Map<String, dynamic>;
final minVolume = _toDouble(json['minVolume']) ?? 0.0;
final maxVolume = _toDouble(json['maxVolume']) ?? double.infinity;
return Quote(
rate: isBuyAction ? rate : 1 / rate,
feeAmount: _toDouble(json['feeAmount']) ?? 0.0,
networkFee: _toDouble(fees['network']) ?? 0.0,
transactionFee: _toDouble(fees['rate']) ?? 0.0,
payout: _toDouble(json['payout']) ?? 0.0,
paymentType: paymentType,
recommendations: [ProviderRecommendation.lowKyc],
provider: ProvidersHelper.getProviderByType(ProviderType.dfx)!,
isBuyAction: isBuyAction,
limits: Limits(min: minVolume, max: maxVolume),
);
}
factory Quote.fromRobinhoodJson(
Map<String, dynamic> json, bool isBuyAction, PaymentType paymentType) {
final networkFee = json['networkFee'] as Map<String, dynamic>;
final processingFee = json['processingFee'] as Map<String, dynamic>;
final networkFeeAmount = _toDouble(networkFee['fiatAmount']) ?? 0.0;
final transactionFeeAmount = _toDouble(processingFee['fiatAmount']) ?? 0.0;
final feeAmount = double.parse((networkFeeAmount + transactionFeeAmount).toStringAsFixed(2));
return Quote(
rate: _toDouble(json['price']) ?? 0.0,
feeAmount: feeAmount,
networkFee: _toDouble(networkFee['fiatAmount']) ?? 0.0,
transactionFee: _toDouble(processingFee['fiatAmount']) ?? 0.0,
payout: _toDouble(json['cryptoAmount']) ?? 0.0,
paymentType: paymentType,
recommendations: [],
provider: ProvidersHelper.getProviderByType(ProviderType.robinhood)!,
isBuyAction: isBuyAction,
limits: Limits(min: 0.0, max: double.infinity),
);
}
factory Quote.fromMeldJson(Map<String, dynamic> json, bool isBuyAction, PaymentType paymentType) {
final quotes = json['quotes'][0] as Map<String, dynamic>;
return Quote(
rate: quotes['exchangeRate'] as double? ?? 0.0,
feeAmount: quotes['totalFee'] as double? ?? 0.0,
networkFee: quotes['networkFee'] as double? ?? 0.0,
transactionFee: quotes['transactionFee'] as double? ?? 0.0,
payout: quotes['payout'] as double? ?? 0.0,
paymentType: paymentType,
recommendations: [],
provider: ProvidersHelper.getProviderByType(ProviderType.meld)!,
isBuyAction: isBuyAction,
limits: Limits(min: 0.0, max: double.infinity),
);
}
static double? _toDouble(dynamic value) {
if (value is int) {
return value.toDouble();
} else if (value is double) {
return value;
} else if (value is String) {
return double.tryParse(value);
}
return null;
}
}