mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2025-01-13 06:14:45 +00:00
106 lines
2.9 KiB
Dart
106 lines
2.9 KiB
Dart
import 'dart:io';
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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:flutter/foundation.dart';
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import 'package:http/http.dart';
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import 'package:cake_wallet/.secrets.g.dart' as secrets;
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import 'package:socks5_proxy/socks_client.dart';
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import 'package:tor/tor.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 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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late final Uri uri;
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if (torOnly) {
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uri = Uri.http(_fiatApiOnionAuthority, _fiatApiPath, queryParams);
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} else {
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uri = Uri.https(_fiatApiClearNetAuthority, _fiatApiPath, queryParams);
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}
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print("getting price from: $uri");
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print("tor port: ${Tor.instance.port}");
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// Create HttpClient object
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final client = HttpClient();
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// Assign connection factory.
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SocksTCPClient.assignToHttpClient(client, [
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ProxySettings(
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InternetAddress.loopbackIPv4,
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Tor.instance.port,
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password: null,
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),
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]);
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// late Response response;
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late HttpClientResponse response;
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String responseBody = "";
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try {
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// response = await get(uri);
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// GET request.
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final request = await client.getUrl(uri);
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response = await request.close();
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responseBody = await utf8.decodeStream(response);
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} catch (e) {
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print("error getting price! $e");
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}
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print(responseBody);
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// final response = await get(uri);
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if (response.statusCode != 200) {
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return 0.0;
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}
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final responseJSON = json.decode(/*response.body*/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(CryptoCurrency crypto, FiatCurrency fiat, bool torOnly) 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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// });
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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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});
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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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}) async =>
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await _fetchPriceAsync(crypto, fiat, torOnly);
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}
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