mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-26 13:39:39 +00:00
99 lines
3 KiB
Dart
99 lines
3 KiB
Dart
import 'dart:io';
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import 'package:cake_wallet/di.dart';
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import 'package:cake_wallet/utils/proxy_wrapper.dart';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cake_wallet/entities/fiat_currency.dart';
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import 'dart:convert';
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import 'package:cake_wallet/.secrets.g.dart' as secrets;
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import 'package:flutter/foundation.dart';
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const _fiatApiClearNetAuthority = 'fiat-api.cakewallet.com';
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const _fiatApiOnionAuthority = 'n4z7bdcmwk2oyddxvzaap3x2peqcplh3pzdy7tpkk5ejz5n4mhfvoxqd.onion';
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const _fiatApiPath = '/v2/rates';
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Future<double> _fetchPrice(Map<String, dynamic> args) async {
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final crypto = args['crypto'] as String;
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final fiat = args['fiat'] as String;
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final torOnly = args['torOnly'] as bool;
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final mainThreadProxyPort = args['port'] as int;
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final Map<String, String> queryParams = {
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'interval_count': '1',
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'base': crypto.split(".").first,
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'quote': fiat,
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'key': secrets.fiatApiKey,
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};
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num price = 0.0;
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try {
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final Uri onionUri = Uri.http(_fiatApiOnionAuthority, _fiatApiPath, queryParams);
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final Uri clearnetUri = Uri.https(_fiatApiClearNetAuthority, _fiatApiPath, queryParams);
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ProxyWrapper proxy = await getIt.get<ProxyWrapper>();
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late HttpClientResponse httpResponse;
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late String responseBody;
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late int statusCode;
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// the proxywrapper class wraps all of the complexity of retrying on clearnet / settings handling:
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try {
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httpResponse = await proxy.get(
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onionUri: onionUri,
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clearnetUri: clearnetUri,
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portOverride: mainThreadProxyPort,
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torOnly: torOnly,
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);
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responseBody = await utf8.decodeStream(httpResponse);
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statusCode = httpResponse.statusCode;
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} catch (e) {
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// we weren't able to get a response with these settings:
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return 0.0;
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}
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if (statusCode != 200) {
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return 0.0;
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}
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final responseJSON = json.decode(responseBody) as Map<String, dynamic>;
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final results = responseJSON['results'] as Map<String, dynamic>;
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if (results.isNotEmpty) {
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price = results.values.first as num;
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}
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return price.toDouble();
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} catch (e) {
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return price.toDouble();
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}
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}
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Future<double> _fetchPriceAsync(
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CryptoCurrency crypto, FiatCurrency fiat, bool torOnly, bool onionOnly) async =>
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// compute(_fetchPrice, {
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// 'fiat': fiat.toString(),
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// 'crypto': crypto.toString(),
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// 'torOnly': torOnly,
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// 'onionOnly': onionOnly,
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// 'port': ProxyWrapper.port,
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// 'torEnabled': ProxyWrapper.enabled,
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// });
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_fetchPrice({
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'fiat': fiat.toString(),
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'crypto': crypto.toString(),
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'torOnly': torOnly,
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'onionOnly': onionOnly,
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'port': ProxyWrapper.port,
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'torEnabled': ProxyWrapper.enabled,
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});
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class FiatConversionService {
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static Future<double> fetchPrice({
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required CryptoCurrency crypto,
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required FiatCurrency fiat,
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required bool torOnly,
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required bool onionOnly,
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}) async =>
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await _fetchPriceAsync(crypto, fiat, torOnly, onionOnly);
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}
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