mirror of
https://github.com/Such-Software/hash-wallet.git
synced 2026-10-17 05:41:29 +02:00
jwinterm
9296e071f5
- Stub dashboard bulletin (was polling service-api.cakewallet.com); returns empty ServicesResponse until we stand up our own notice service. - Repoint changelog 'View more info' link to hash.boats (modal trigger remains disabled; this is just for when we re-enable it). - Replace exchange-helper.cakewallet.com with exchange-helper.such.software in moonpay/robinhood/onramper providers. Buy providers are still dormant (empty getAvailable*ProviderTypes); URL change is a fail-loudly placeholder to ensure we stand up our own proxy before re-enabling any of them. - Delete Monerocom_Terms_of_Use.txt and Monerocom_Release_Notes.txt — these were Cake's Monero.com brand variant, never used by Hash Wallet. Collapse the isMoneroOnly branch in disclaimer_page.dart to always load Terms_of_Use.txt. - Add docs/links.md (gitignored) inventorying all public-facing URLs and emails shipped in the binary.
427 lines
15 KiB
Dart
427 lines
15 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'package:hash_wallet/.secrets.g.dart' as secrets;
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import 'package:hash_wallet/buy/buy_exception.dart';
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import 'package:hash_wallet/buy/buy_provider.dart';
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import 'package:hash_wallet/buy/buy_provider_description.dart';
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import 'package:hash_wallet/buy/buy_quote.dart';
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import 'package:hash_wallet/order/order.dart';
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import 'package:hash_wallet/order/order_source_description.dart';
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import 'package:hash_wallet/buy/pairs_utils.dart';
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import 'package:hash_wallet/buy/payment_method.dart';
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import 'package:hash_wallet/entities/fiat_currency.dart';
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import 'package:hash_wallet/exchange/trade_state.dart';
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import 'package:hash_wallet/generated/i18n.dart';
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import 'package:hash_wallet/palette.dart';
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import 'package:hash_wallet/src/widgets/alert_with_one_action.dart';
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import 'package:hash_wallet/store/app_store.dart';
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import 'package:hash_wallet/themes/core/material_base_theme.dart';
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import 'package:cw_core/currency_for_wallet_type.dart';
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import 'package:cw_core/utils/proxy_wrapper.dart';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/wallet_base.dart';
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import 'package:cw_core/utils/print_verbose.dart';
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import 'package:flutter/material.dart';
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import 'package:url_launcher/url_launcher.dart';
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class MoonPayProvider extends BuyProvider {
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MoonPayProvider({
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required AppStore appStore,
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required WalletBase wallet,
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bool isTestEnvironment = false,
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}) : baseSellUrl = isTestEnvironment ? _baseSellTestUrl : _baseSellProductUrl,
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baseBuyUrl = isTestEnvironment ? _baseBuyTestUrl : _baseBuyProductUrl,
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this._appStore = appStore,
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super(
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wallet: wallet,
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isTestEnvironment: isTestEnvironment,
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hardwareWalletVM: null,
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supportedCryptoList: supportedCryptoToFiatPairs(
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notSupportedCrypto: _notSupportedCrypto, notSupportedFiat: _notSupportedFiat),
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supportedFiatList: supportedFiatToCryptoPairs(
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notSupportedFiat: _notSupportedFiat, notSupportedCrypto: _notSupportedCrypto));
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final AppStore _appStore;
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static const _baseSellTestUrl = 'sell-sandbox.moonpay.com';
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static const _baseSellProductUrl = 'sell.moonpay.com';
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static const _baseBuyTestUrl = 'buy-staging.moonpay.com';
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static const _baseBuyProductUrl = 'buy.moonpay.com';
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static const _cIdBaseUrl = 'exchange-helper.such.software';
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static const _apiUrl = 'https://api.moonpay.com';
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static const _baseUrl = 'api.moonpay.com';
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static const _currenciesPath = '/v3/currencies';
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static const _buyQuote = '/buy_quote';
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static const _sellQuote = '/sell_quote';
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static const _transactionsSuffix = '/v1/transactions';
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static const List<CryptoCurrency> _notSupportedCrypto = [];
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static const List<FiatCurrency> _notSupportedFiat = [];
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final String baseBuyUrl;
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final String baseSellUrl;
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@override
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String get providerDescription =>
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'MoonPay offers a fast and simple way to buy and sell cryptocurrencies';
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@override
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String get title => 'MoonPay';
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@override
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String get lightIcon => 'assets/images/moonpay_light.png';
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@override
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String get darkIcon => 'assets/images/moonpay_dark.png';
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@override
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bool get isAggregator => false;
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static String get _apiKey => secrets.moonPayApiKey;
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String get currencyCode => walletTypeToCryptoCurrency(wallet.type, chainId: wallet.chainId).title.toLowerCase();
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String get trackUrl => baseBuyUrl + '/transaction_receipt?transactionId=';
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static String get _exchangeHelperApiKey => secrets.exchangeHelperApiKey;
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static String themeToMoonPayTheme(MaterialThemeBase theme) {
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switch (theme.type) {
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case ThemeType.light:
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return 'light';
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case ThemeType.dark:
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return 'dark';
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}
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}
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Future<String> getMoonpaySignature(String query) async {
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final uri = Uri.https(_cIdBaseUrl, "/api/moonpay");
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final response = await ProxyWrapper().post(
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clearnetUri: uri,
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headers: {'Content-Type': 'application/json', 'x-api-key': _exchangeHelperApiKey},
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body: json.encode({'query': query}),
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);
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if (response.statusCode == 200) {
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return (jsonDecode(response.body) as Map<String, dynamic>)['signature'] as String;
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} else {
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throw Exception(
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'Provider currently unavailable. Status: ${response.statusCode} ${response.body}');
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}
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}
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Future<Map<String, dynamic>> fetchFiatCredentials(
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String fiatCurrency, String cryptocurrency, String? paymentMethod) async {
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final params = {'baseCurrencyCode': fiatCurrency.toLowerCase(), 'apiKey': _apiKey};
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if (paymentMethod != null) params['paymentMethod'] = paymentMethod;
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final path = '$_currenciesPath/${cryptocurrency.toLowerCase()}/limits';
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final url = Uri.https(_baseUrl, path, params);
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try {
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final response = await ProxyWrapper().get(
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clearnetUri: url,
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headers: {'accept': 'application/json'},
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);
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if (response.statusCode == 200) {
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return jsonDecode(response.body) as Map<String, dynamic>;
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} else {
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printV('MoonPay does not support fiat: $fiatCurrency');
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return {};
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}
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} catch (e) {
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printV('MoonPay Error fetching fiat currencies: $e');
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return {};
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}
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}
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Future<List<PaymentMethod>> getAvailablePaymentTypes(
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String fiatCurrency, CryptoCurrency cryptoCurrency, bool isBuyAction) async {
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final List<PaymentMethod> paymentMethods = [];
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if (isBuyAction) {
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final fiatBuyCredentials =
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await fetchFiatCredentials(fiatCurrency, cryptoCurrency.title, null);
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if (fiatBuyCredentials.isNotEmpty) {
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final paymentMethod = fiatBuyCredentials['paymentMethod'] as String?;
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paymentMethods.add(PaymentMethod.fromMoonPayJson(
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fiatBuyCredentials, _getPaymentTypeByString(paymentMethod)));
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return paymentMethods;
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}
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}
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return paymentMethods;
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}
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@override
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Future<List<Quote>?> fetchQuote(
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{required CryptoCurrency cryptoCurrency,
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required FiatCurrency fiatCurrency,
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required double amount,
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required bool isBuyAction,
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required String walletAddress,
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PaymentType? paymentType,
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String? customPaymentMethodType,
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String? countryCode}) async {
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String? paymentMethod;
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if (paymentType != null && paymentType != PaymentType.all) {
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paymentMethod = normalizePaymentMethod(paymentType);
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if (paymentMethod == null) paymentMethod = paymentType.name;
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} else {
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paymentMethod = 'credit_debit_card';
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}
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final action = isBuyAction ? 'buy' : 'sell';
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final formattedCryptoCurrency = _normalizeCurrency(cryptoCurrency);
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final baseCurrencyCode =
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isBuyAction ? fiatCurrency.name.toLowerCase() : cryptoCurrency.title.toLowerCase();
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final params = {
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'baseCurrencyCode': baseCurrencyCode,
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'baseCurrencyAmount': amount.toStringAsFixed(2),
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'paymentMethod': paymentMethod,
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'areFeesIncluded': 'false',
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'apiKey': _apiKey
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};
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log('MoonPay: Fetching $action quote: ${isBuyAction ? formattedCryptoCurrency : fiatCurrency.name.toLowerCase()} -> ${isBuyAction ? baseCurrencyCode : formattedCryptoCurrency}, amount: $amount, paymentMethod: $paymentMethod');
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final quotePath = isBuyAction ? _buyQuote : _sellQuote;
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final path = '$_currenciesPath/$formattedCryptoCurrency$quotePath';
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final url = Uri.https(_baseUrl, path, params);
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try {
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final response = await ProxyWrapper().get(clearnetUri: url);
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body) as Map<String, dynamic>;
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// Check if the response is for the correct fiat currency
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if (isBuyAction) {
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final fiatCurrencyCode = data['baseCurrencyCode'] as String?;
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if (fiatCurrencyCode == null || fiatCurrencyCode != fiatCurrency.name.toLowerCase())
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return null;
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} else {
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final quoteCurrency = data['quoteCurrency'] as Map<String, dynamic>?;
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if (quoteCurrency == null || quoteCurrency['code'] != fiatCurrency.name.toLowerCase())
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return null;
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}
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final paymentMethods = data['paymentMethod'] as String?;
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final quote =
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Quote.fromMoonPayJson(data, isBuyAction, _getPaymentTypeByString(paymentMethods));
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quote.setFiatCurrency = fiatCurrency;
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quote.setCryptoCurrency = cryptoCurrency;
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return [quote];
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} else {
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printV('Moon Pay: Error fetching buy quote: ');
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return null;
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}
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} catch (e) {
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printV('Moon Pay: Error fetching buy quote: $e');
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return null;
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}
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}
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@override
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Future<void>? launchProvider(
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{required BuildContext context,
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required Quote quote,
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required double amount,
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required bool isBuyAction,
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required String cryptoCurrencyAddress,
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String? countryCode}) async {
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final Map<String, String> params = {
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'theme': themeToMoonPayTheme(_appStore.themeStore.currentTheme),
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'language': _appStore.settingsStore.languageCode,
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'colorCode': _appStore.themeStore.currentTheme.isDark
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? '#${Palette.blueCraiola.value.toRadixString(16).substring(2, 8)}'
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: '#${Palette.moderateSlateBlue.value.toRadixString(16).substring(2, 8)}',
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'baseCurrencyCode': isBuyAction ? quote.fiatCurrency.name : quote.cryptoCurrency.name,
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'baseCurrencyAmount': amount.toStringAsFixed(2),
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'walletAddress': cryptoCurrencyAddress,
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'lockAmount': 'false',
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'showAllCurrencies': 'false',
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'showWalletAddressForm': 'false',
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if (isBuyAction)
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'enabledPaymentMethods': normalizePaymentMethod(quote.paymentType) ??
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'credit_debit_card,apple_pay,google_pay,samsung_pay,sepa_bank_transfer,gbp_bank_transfer,gbp_open_banking_payment',
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if (!isBuyAction) 'refundWalletAddress': cryptoCurrencyAddress
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};
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if (isBuyAction) params['currencyCode'] = quote.cryptoCurrency.name;
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if (!isBuyAction) params['quoteCurrencyCode'] = quote.cryptoCurrency.name;
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try {
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final uri = await requestMoonPayUrl(
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walletAddress: cryptoCurrencyAddress,
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isBuyAction: isBuyAction,
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amount: amount.toString(),
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params: params);
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if (await canLaunchUrl(uri)) {
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await launchUrl(uri, mode: LaunchMode.externalApplication);
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} else {
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throw Exception('Could not launch URL');
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}
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} catch (e) {
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if (context.mounted) {
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await showDialog<void>(
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context: context,
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builder: (BuildContext context) {
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return AlertWithOneAction(
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alertTitle: 'MoonPay',
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alertContent: 'The MoonPay service is currently unavailable: $e',
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buttonText: S.of(context).ok,
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buttonAction: () => Navigator.of(context).pop(),
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);
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},
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);
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}
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}
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}
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Future<Uri> requestMoonPayUrl({
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required String walletAddress,
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required bool isBuyAction,
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required Map<String, String> params,
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String? amount,
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}) async {
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if (_apiKey.isNotEmpty) params['apiKey'] = _apiKey;
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final baseUrl = isBuyAction ? baseBuyUrl : baseSellUrl;
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final originalUri = Uri.https(baseUrl, '', params);
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if (isTestEnvironment) return originalUri;
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final signature = await getMoonpaySignature('?${originalUri.query}');
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final query = Map<String, dynamic>.from(originalUri.queryParameters);
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query['signature'] = signature;
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final signedUri = originalUri.replace(queryParameters: query);
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return signedUri;
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}
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Future<Order> findOrderById(String id) async {
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final url = _apiUrl + _transactionsSuffix + '/$id' + '?apiKey=' + _apiKey;
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final uri = Uri.parse(url);
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final response = await ProxyWrapper().get(clearnetUri: uri);
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if (response.statusCode != 200) {
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throw BuyException(title: providerDescription, content: 'Transaction $id is not found!');
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}
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final responseJSON = json.decode(response.body) as Map<String, dynamic>;
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final status = responseJSON['status'] as String;
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final state = TradeState.deserialize(raw: status);
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final createdAtRaw = responseJSON['createdAt'] as String;
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final createdAt = DateTime.parse(createdAtRaw).toLocal();
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final amount = responseJSON['quoteCurrencyAmount'] as double;
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return Order(
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id: id,
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source: OrderSourceDescription.buy,
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buyProvider: BuyProviderDescription.moonPay,
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transferId: id,
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state: state,
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createdAt: createdAt,
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amount: amount.toString(),
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receiveAddress: wallet.walletAddresses.address,
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walletId: wallet.id);
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}
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String _normalizeCurrency(CryptoCurrency currency) {
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if (currency.tag == 'POLY') {
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return '${currency.title.toLowerCase()}_polygon';
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}
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if (currency.tag == 'TRX') {
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return '${currency.title.toLowerCase()}_trx';
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}
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return currency.toString().toLowerCase();
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}
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String? normalizePaymentMethod(PaymentType paymentMethod) {
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switch (paymentMethod) {
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case PaymentType.creditCard:
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return 'credit_debit_card';
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case PaymentType.debitCard:
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return 'credit_debit_card';
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case PaymentType.ach:
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return 'ach_bank_transfer';
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case PaymentType.applePay:
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return 'apple_pay';
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case PaymentType.googlePay:
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return 'google_pay';
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case PaymentType.sepa:
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return 'sepa_bank_transfer';
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case PaymentType.paypal:
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return 'paypal';
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case PaymentType.sepaOpenBankingPayment:
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return 'sepa_open_banking_payment';
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case PaymentType.gbpOpenBankingPayment:
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return 'gbp_open_banking_payment';
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case PaymentType.lowCostAch:
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return 'low_cost_ach';
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case PaymentType.mobileWallet:
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return 'mobile_wallet';
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case PaymentType.pixInstantPayment:
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return 'pix_instant_payment';
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case PaymentType.yellowCardBankTransfer:
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return 'yellow_card_bank_transfer';
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case PaymentType.fiatBalance:
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return 'fiat_balance';
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case PaymentType.revolutPay:
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return 'revolut_pay';
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default:
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return null;
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}
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}
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PaymentType _getPaymentTypeByString(String? paymentMethod) {
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switch (paymentMethod) {
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case 'ach_bank_transfer':
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return PaymentType.ach;
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case 'apple_pay':
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return PaymentType.applePay;
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case 'credit_debit_card':
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return PaymentType.creditCard;
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case 'fiat_balance':
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return PaymentType.fiatBalance;
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case 'gbp_open_banking_payment':
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return PaymentType.gbpOpenBankingPayment;
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case 'google_pay':
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return PaymentType.googlePay;
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case 'low_cost_ach':
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return PaymentType.lowCostAch;
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case 'mobile_wallet':
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return PaymentType.mobileWallet;
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case 'paypal':
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return PaymentType.paypal;
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case 'pix_instant_payment':
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return PaymentType.pixInstantPayment;
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case 'sepa_bank_transfer':
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return PaymentType.sepa;
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case 'sepa_open_banking_payment':
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return PaymentType.sepaOpenBankingPayment;
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case 'yellow_card_bank_transfer':
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return PaymentType.yellowCardBankTransfer;
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case 'revolut_pay':
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return PaymentType.revolutPay;
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default:
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return PaymentType.unknown;
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}
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}
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}
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