From 9ed7dbc838bcc8b75161ea4126380b7ac1f6bf40 Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Thu, 11 Apr 2019 14:57:31 +0900
Subject: [PATCH] Remove Quadrigacx (bankrupt)

---
 .../Services/Rates/QuadrigacxRateProvider.cs  | 57 -------------------
 .../Services/Rates/RateProviderFactory.cs     |  1 -
 2 files changed, 58 deletions(-)
 delete mode 100644 BTCPayServer/Services/Rates/QuadrigacxRateProvider.cs

diff --git a/BTCPayServer/Services/Rates/QuadrigacxRateProvider.cs b/BTCPayServer/Services/Rates/QuadrigacxRateProvider.cs
deleted file mode 100644
index 7d5a3094d..000000000
--- a/BTCPayServer/Services/Rates/QuadrigacxRateProvider.cs
+++ /dev/null
@@ -1,57 +0,0 @@
-using System;
-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 QuadrigacxRateProvider : IRateProvider, IHasExchangeName
-    {
-        public const string QuadrigacxName = "quadrigacx";
-        static HttpClient _Client = new HttpClient();
-
-        public string ExchangeName => QuadrigacxName;
-
-        private bool TryToBidAsk(JObject p, out BidAsk v)
-        {
-            v = null;
-            JToken bid = p.Property("bid")?.Value;
-            JToken ask = p.Property("ask")?.Value;
-            if (bid == null || ask == null)
-                return false;
-            if (!decimal.TryParse(bid.Value<string>(), System.Globalization.NumberStyles.AllowExponent | System.Globalization.NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out var v1) ||
-               !decimal.TryParse(bid.Value<string>(), System.Globalization.NumberStyles.AllowExponent | System.Globalization.NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out var v2) ||
-               v1 <= 0m || v2 <= 0m || v1 > v2)
-                return false;
-            v = new BidAsk(v1, v2);
-            return true;
-        }
-
-        public async Task<ExchangeRates> GetRatesAsync(CancellationToken cancellationToken)
-        {
-            var response = await _Client.GetAsync($"https://api.quadrigacx.com/v2/ticker?book=all", cancellationToken);
-            response.EnsureSuccessStatusCode();
-            var rates = JObject.Parse(await response.Content.ReadAsStringAsync());
-
-            var exchangeRates = new ExchangeRates();
-            foreach (var prop in rates.Properties())
-            {
-                var rate = new ExchangeRate();
-                if (!Rating.CurrencyPair.TryParse(prop.Name, out var pair))
-                    continue;
-                rate.CurrencyPair = pair;
-                rate.Exchange = QuadrigacxName;
-                if (!TryToBidAsk((JObject)prop.Value, out var v))
-                    continue;
-                rate.BidAsk = v;
-                exchangeRates.Add(rate);
-            }
-            return exchangeRates;
-        }
-    }
-}
diff --git a/BTCPayServer/Services/Rates/RateProviderFactory.cs b/BTCPayServer/Services/Rates/RateProviderFactory.cs
index e8c5e7f0a..5a57314ed 100644
--- a/BTCPayServer/Services/Rates/RateProviderFactory.cs
+++ b/BTCPayServer/Services/Rates/RateProviderFactory.cs
@@ -109,7 +109,6 @@ namespace BTCPayServer.Services.Rates
             // Providers.Add("cryptopia", new ExchangeSharpRateProvider("cryptopia", new ExchangeCryptopiaAPI(), false));
 
             // Handmade providers
-            Providers.Add(QuadrigacxRateProvider.QuadrigacxName, new QuadrigacxRateProvider());
             Providers.Add(CoinAverageRateProvider.CoinAverageName, new CoinAverageRateProvider() { Exchange = CoinAverageRateProvider.CoinAverageName, HttpClient = _httpClientFactory?.CreateClient("EXCHANGE_COINAVERAGE"), Authenticator = _CoinAverageSettings });
             Providers.Add("kraken", new KrakenExchangeRateProvider() { HttpClient = _httpClientFactory?.CreateClient("EXCHANGE_KRAKEN") });
             Providers.Add("bylls", new ByllsRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_BYLLS")));