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Add support for CryptoMarket exchange rates (#3012)

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* Add support for CryptoMarket exchange rates

* Add unit test for CryptoMarket
This commit is contained in:
Umar Bolatov 2021-10-26 23:19:34 -07:00 • committed by GitHub
parent f7a0b91ec1
commit 8a0660cbd6
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48
BTCPayServer.Rating/Providers/CryptoMarketExchangeRateProvider.cs Normal file
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@ -0,0 +1,48 @@
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using BTCPayServer.Rating;
using Newtonsoft.Json.Linq;
namespace BTCPayServer.Services.Rates
{
public class CryptoMarketExchangeRateProvider : IRateProvider
{
private readonly HttpClient _httpClient;
public CryptoMarketExchangeRateProvider(HttpClient httpClient)
{
_httpClient = httpClient ?? new HttpClient();
}
readonly List<string> SupportedPairs = new List<string>()
{
"BTCARS",
"BTCCLP",
"BTCBRL"
};
public async Task<PairRate[]> GetRatesAsync(CancellationToken cancellationToken)
{
var response = await _httpClient.GetAsync("https://api.exchange.cryptomkt.com/api/3/public/ticker/", cancellationToken);
var jobj = await response.Content.ReadAsAsync<JObject>(cancellationToken);
return ((jobj as JObject) ?? new JObject())
.Properties()
.Where(p => SupportedPairs.Contains(p.Name))
.Select(p => new PairRate(CurrencyPair.Parse(p.Name), CreateBidAsk(p)))
.ToArray();
}
private static BidAsk CreateBidAsk(JProperty p)
{
var bid = decimal.Parse(p.Value["bid"].Value<string>(), System.Globalization.NumberStyles.Any, CultureInfo.InvariantCulture);
var ask = decimal.Parse(p.Value["ask"].Value<string>(), System.Globalization.NumberStyles.Any, CultureInfo.InvariantCulture);
if (bid > ask)
return null;
return new BidAsk(bid, ask);
}
}
}

2
BTCPayServer.Rating/Services/RateProviderFactory.cs
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@ -76,6 +76,7 @@ namespace BTCPayServer.Services.Rates
yield return new AvailableRateProvider("bitflyer", "Bitflyer", "https://api.bitflyer.com/v1/ticker");
yield return new AvailableRateProvider("bitpay", "Bitpay", "https://bitpay.com/rates");
yield return new AvailableRateProvider("ripio", "Ripio", "https://api.exchange.ripio.com/api/v1/rate/all/");
yield return new AvailableRateProvider("cryptomarket", "CryptoMarket", "https://api.exchange.cryptomkt.com/api/3/public/ticker/");
yield return new AvailableRateProvider("polispay", "PolisPay", "https://obol.polispay.com/complex/btc/polis");
@ -101,6 +102,7 @@ namespace BTCPayServer.Services.Rates
Providers.Add("bitbank", new BitbankRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_BITBANK")));
Providers.Add("bitpay", new BitpayRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_BITPAY")));
Providers.Add("ripio", new RipioExchangeProvider(_httpClientFactory?.CreateClient("EXCHANGE_RIPIO")));
Providers.Add("cryptomarket", new CryptoMarketExchangeRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_CRYPTOMARKET")));
Providers.Add("bitflyer", new BitflyerRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_BITFLYER")));
Providers.Add("polispay", new PolisRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_POLIS")));
// Providers.Add("argoneum", new ArgoneumRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_ARGONEUM")));

6
BTCPayServer.Tests/UnitTest1.cs
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@ -3313,6 +3313,12 @@ namespace BTCPayServer.Tests
&& e.BidAsk.Bid > 1.0m)); // 1BTC will always be more than 1USD
}
}
else if (result.ExpectedName == "cryptomarket")
{
Assert.Contains(exchangeRates.ByExchange[result.ExpectedName],
e => e.CurrencyPair == new CurrencyPair("BTC", "CLP") &&
e.BidAsk.Bid > 1.0m); // 1 BTC will always be more than 1 CLP
}
else
{
// This check if the currency pair is using right currency pair