static public ExchangeCallback CreateCallback(IExchangeMarketData exchangeMarketData, IEventBus eventBus)
{
return((exchangeId, baseCurrency, quoteCurrency, info) =>
{
WriteMarketData(exchangeId, baseCurrency, quoteCurrency, info, exchangeMarketData).Wait();
try
{
if (!String.IsNullOrEmpty(exchangeId))
{
var @event = new ExchangeOrderBookUpdatedIntegrationEvent(
Int32.Parse(exchangeId),
baseCurrency,
quoteCurrency,
exchangeMarketData.GetMarketData(exchangeId, baseCurrency, quoteCurrency)
);
eventBus.Publish(@event);
//.Publish(new TimeForUpdateBalanceIntegrationEvent());
}
}
catch (Exception ex)
{
Debug.WriteLine("Publish Event: ExchangeOrderBookUpdatedIntegrationEvent. \n" +
"Error message: " + ex.Message);
}
});
}
static public ExchangeCallback CreateDecodeCallback(IExchangeMarketData exchangeMarketData)
{
return((exchangeId, baseCurrency, quoteCurrency, info) =>
{
WriteMarketData(exchangeId, baseCurrency, quoteCurrency, Decode(info), exchangeMarketData).Wait();
});
}
public WebsocketHostService(IWebsocketService websocketService, IOptions <ExchangeApiSetting> exchangeApiSetting,
IExchangeMarketData exchangeMarketData, IExchangeBalanceData exchangeBalanceData,
IExchangeApiClient exchangeApiClient)
{
_websocketService = websocketService;
_exchangeApiSettings = exchangeApiSetting;
_exchangeMarketData = exchangeMarketData;
_exchangeBalanceData = exchangeBalanceData;
_exchangeApiClient = exchangeApiClient;
}
public WebsocketService(IExchangeMarketData exchangeMarketData, IEventBus eventBus)
{
//Injection
_exchangeMarketData = exchangeMarketData ?? throw new ArgumentNullException(nameof(exchangeMarketData));
_eventBus = eventBus ?? throw new ArgumentNullException(nameof(eventBus));
//Set delegates
_updateAndDecodeExchangeState = CreateDecodeCallback(_exchangeMarketData);
_updateExchangeState = CreateCallback(_exchangeMarketData, _eventBus);
//Bittrex
_hubConnection = new HubConnection("https://socket.bittrex.com/signalr");
_hubProxy = _hubConnection.CreateHubProxy("c2");
_hubConnection.Start().Wait();
//Binance
_binanceHubConnection = new BinanceSocketClient();
//Bitstamp
_bitstampHubConnection = new Pusher("de504dc5763aeef9ff52");
_bitstampHubConnection.Connect();
//Poloniex
_poloniexHubConnection = new PoloniexChannel();
_poloniexHubConnection.ConnectAsync().Wait();
//Kucoin
using (var client = new HttpClient())
{
var tokenAcquireUri = "https://kitchen.kucoin.com/v1/bullet/usercenter/loginUser?protocol=websocket&encrypt=true";
using (HttpResponseMessage res = client.GetAsync(tokenAcquireUri).Result)
{
using (HttpContent content = res.Content)
{
var jRes = JObject.Parse(
content.ReadAsStringAsync().Result
);
var bulletToken = jRes["data"]["bulletToken"].ToString();
_kucoinHubConnection = new WebSocket(
"wss://push1.kucoin.com/endpoint?bulletToken=" + bulletToken + "&format=json&resource=api");
_kucoinHubConnection.Connect();
var success = _kucoinHubConnection.Ping();
}
}
}
}
private static async Task WriteMarketData(string exchangeId, string baseCurrency, string quoteCurrency, string data, IExchangeMarketData exchangeMarketData)
{
await Task.Run(() =>
{
exchangeMarketData.WriteMarketData(exchangeId, baseCurrency, quoteCurrency, data);
});
}
public ExchangeQueries(IExchangeMarketData exchangeMarketData)
{
//_connectionString = !string.IsNullOrWhiteSpace(constr) ? constr : throw new ArgumentNullException(nameof(constr));
_marketData = exchangeMarketData;
}