private async Task <QueryRateResult> QueryRates(string exchangeName)
{
List <IRateProvider> providers = new List <IRateProvider>();
if (DirectProviders.TryGetValue(exchangeName, out var directProvider))
{
providers.Add(directProvider);
}
if (_CoinAverageSettings.AvailableExchanges.ContainsKey(exchangeName))
{
providers.Add(new CoinAverageRateProvider()
{
Exchange = exchangeName,
Authenticator = _CoinAverageSettings
});
}
var fallback = new FallbackRateProvider(providers.ToArray());
var cached = new CachedRateProvider(exchangeName, fallback, _Cache)
{
CacheSpan = CacheSpan
};
var value = await cached.GetRatesAsync();
return(new QueryRateResult()
{
CachedResult = !fallback.Used,
ExchangeRates = value,
Exceptions = fallback.Exceptions
.Select(c => new ExchangeException()
{
Exception = c, ExchangeName = exchangeName
}).ToList()
});
}
private void InitExchanges()
{
// We need to be careful to only add exchanges which OnGetTickers implementation make only 1 request
Providers.Add("binance", new ExchangeSharpRateProvider("binance", new ExchangeBinanceAPI(), true));
Providers.Add("bittrex", new ExchangeSharpRateProvider("bittrex", new ExchangeBittrexAPI(), true));
Providers.Add("poloniex", new ExchangeSharpRateProvider("poloniex", new ExchangePoloniexAPI(), true));
Providers.Add("hitbtc", new ExchangeSharpRateProvider("hitbtc", new ExchangeHitbtcAPI(), false));
Providers.Add("cryptopia", new ExchangeSharpRateProvider("cryptopia", new ExchangeCryptopiaAPI(), false));
// Handmade providers
Providers.Add("bitpay", new BitpayRateProvider(new NBitpayClient.Bitpay(new NBitcoin.Key(), new Uri("https://bitpay.com/"))));
Providers.Add(QuadrigacxRateProvider.QuadrigacxName, new QuadrigacxRateProvider());
Providers.Add(CoinAverageRateProvider.CoinAverageName, new CoinAverageRateProvider()
{
Exchange = CoinAverageRateProvider.CoinAverageName, HttpClient = _httpClientFactory?.CreateClient(), Authenticator = _CoinAverageSettings
});
Providers.Add("kraken", new KrakenExchangeRateProvider()
{
HttpClient = _httpClientFactory?.CreateClient()
});
// Those exchanges make multiple requests when calling GetTickers so we remove them
//DirectProviders.Add("gdax", new ExchangeSharpRateProvider("gdax", new ExchangeGdaxAPI()));
//DirectProviders.Add("gemini", new ExchangeSharpRateProvider("gemini", new ExchangeGeminiAPI()));
//DirectProviders.Add("bitfinex", new ExchangeSharpRateProvider("bitfinex", new ExchangeBitfinexAPI()));
//DirectProviders.Add("okex", new ExchangeSharpRateProvider("okex", new ExchangeOkexAPI()));
//DirectProviders.Add("bitstamp", new ExchangeSharpRateProvider("bitstamp", new ExchangeBitstampAPI()));
foreach (var provider in Providers.ToArray())
{
var prov = new BackgroundFetcherRateProvider(Providers[provider.Key]);
prov.RefreshRate = provider.Key == CoinAverageRateProvider.CoinAverageName ? CacheSpan : TimeSpan.FromMinutes(1.0);
Providers[provider.Key] = prov;
}
var cache = new MemoryCache(_CacheOptions);
foreach (var supportedExchange in GetSupportedExchanges())
{
if (!Providers.ContainsKey(supportedExchange.Key))
{
var coinAverage = new CoinAverageRateProvider()
{
Exchange = supportedExchange.Key,
HttpClient = _httpClientFactory?.CreateClient(),
Authenticator = _CoinAverageSettings
};
var cached = new CachedRateProvider(supportedExchange.Key, coinAverage, cache)
{
CacheSpan = CacheSpan
};
Providers.Add(supportedExchange.Key, cached);
}
}
}
private void InitExchanges()
{
// We need to be careful to only add exchanges which OnGetTickers implementation make only 1 request
Providers.Add("binance", new ExchangeSharpRateProvider("binance", new ExchangeBinanceAPI(), true));
Providers.Add("bittrex", new ExchangeSharpRateProvider("bittrex", new ExchangeBittrexAPI(), true));
Providers.Add("poloniex", new ExchangeSharpRateProvider("poloniex", new ExchangePoloniexAPI(), true));
Providers.Add("hitbtc", new ExchangeSharpRateProvider("hitbtc", new ExchangeHitbtcAPI(), false));
// Cryptopia is often not available
// Disabled because of https://twitter.com/Cryptopia_NZ/status/1085084168852291586
// 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")));
// Those exchanges make multiple requests when calling GetTickers so we remove them
//DirectProviders.Add("gdax", new ExchangeSharpRateProvider("gdax", new ExchangeGdaxAPI()));
//DirectProviders.Add("gemini", new ExchangeSharpRateProvider("gemini", new ExchangeGeminiAPI()));
//DirectProviders.Add("bitfinex", new ExchangeSharpRateProvider("bitfinex", new ExchangeBitfinexAPI()));
//DirectProviders.Add("okex", new ExchangeSharpRateProvider("okex", new ExchangeOkexAPI()));
//DirectProviders.Add("bitstamp", new ExchangeSharpRateProvider("bitstamp", new ExchangeBitstampAPI()));
foreach (var provider in Providers.ToArray())
{
if (provider.Key == "cryptopia") // Shitty exchange, rate often unavailable, it spams the logs
{
continue;
}
var prov = new BackgroundFetcherRateProvider(Providers[provider.Key]);
if (provider.Key == CoinAverageRateProvider.CoinAverageName)
{
prov.RefreshRate = CacheSpan;
prov.ValidatyTime = CacheSpan + TimeSpan.FromMinutes(1.0);
}
else
{
prov.RefreshRate = TimeSpan.FromMinutes(1.0);
prov.ValidatyTime = TimeSpan.FromMinutes(5.0);
}
Providers[provider.Key] = prov;
}
var cache = new MemoryCache(_CacheOptions);
foreach (var supportedExchange in GetSupportedExchanges())
{
if (!Providers.ContainsKey(supportedExchange.Key))
{
var coinAverage = new CoinAverageRateProvider()
{
Exchange = supportedExchange.Key,
HttpClient = _httpClientFactory?.CreateClient(),
Authenticator = _CoinAverageSettings
};
var cached = new CachedRateProvider(supportedExchange.Key, coinAverage, cache)
{
CacheSpan = CacheSpan
};
Providers.Add(supportedExchange.Key, cached);
}
}
}
void InitExchanges()
{
// We need to be careful to only add exchanges which OnGetTickers implementation make only 1 request
Providers.Add("binance", new ExchangeSharpRateProvider("binance", new ExchangeBinanceAPI(), true));
Providers.Add("bittrex", new ExchangeSharpRateProvider("bittrex", new ExchangeBittrexAPI(), true));
Providers.Add("poloniex", new ExchangeSharpRateProvider("poloniex", new ExchangePoloniexAPI(), true));
Providers.Add("hitbtc", new ExchangeSharpRateProvider("hitbtc", new ExchangeHitBTCAPI(), true));
Providers.Add("ndax", new ExchangeSharpRateProvider("ndax", new ExchangeNDAXAPI(), true));
// Handmade providers
Providers.Add(CoinGeckoRateProvider.CoinGeckoName, new CoinGeckoRateProvider(_httpClientFactory));
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")));
Providers.Add("bitbank", new BitbankRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_BITBANK")));
Providers.Add("bitpay", new BitpayRateProvider(_httpClientFactory?.CreateClient("EXCHANGE_BITPAY")));
// Those exchanges make multiple requests when calling GetTickers so we remove them
//DirectProviders.Add("gemini", new ExchangeSharpRateProvider("gemini", new ExchangeGeminiAPI()));
//DirectProviders.Add("bitfinex", new ExchangeSharpRateProvider("bitfinex", new ExchangeBitfinexAPI()));
//DirectProviders.Add("okex", new ExchangeSharpRateProvider("okex", new ExchangeOkexAPI()));
//DirectProviders.Add("bitstamp", new ExchangeSharpRateProvider("bitstamp", new ExchangeBitstampAPI()));
foreach (var provider in Providers.ToArray())
{
if (provider.Key == "cryptopia") // Shitty exchange, rate often unavailable, it spams the logs
{
continue;
}
var prov = new BackgroundFetcherRateProvider(provider.Key, Providers[provider.Key]);
if (provider.Key == CoinGeckoRateProvider.CoinGeckoName)
{
prov.RefreshRate = CacheSpan;
prov.ValidatyTime = CacheSpan + TimeSpan.FromMinutes(1.0);
}
else
{
prov.RefreshRate = TimeSpan.FromMinutes(1.0);
prov.ValidatyTime = TimeSpan.FromMinutes(5.0);
}
Providers[provider.Key] = prov;
}
var cache = new MemoryCache(_CacheOptions);
foreach (var supportedExchange in GetCoinGeckoSupportedExchanges())
{
if (!Providers.ContainsKey(supportedExchange.Id))
{
var coinAverage = new CoinGeckoRateProvider(_httpClientFactory)
{
Exchange = supportedExchange.Id
};
var cached = new CachedRateProvider(supportedExchange.Id, coinAverage, cache)
{
CacheSpan = CacheSpan
};
Providers.Add(supportedExchange.Id, cached);
}
}
foreach (var supportedExchange in GetCoinAverageSupportedExchanges())
{
if (!Providers.ContainsKey(supportedExchange.Id))
{
var coinAverage = new CoinGeckoRateProvider(_httpClientFactory)
{
Exchange = supportedExchange.Id
};
var cached = new CachedRateProvider(supportedExchange.Id, coinAverage, cache)
{
CacheSpan = CacheSpan
};
Providers.Add(supportedExchange.Id, cached);
}
}
}