/// <summary>
/// Subscribes to updates on a specific market
/// </summary>
/// <param name="marketName">The name of the market to subscribe on</param>
/// <param name="onUpdate">The update event handler</param>
/// <returns>ApiResult whether subscription was successful. The Result property contains the Stream Id which can be used to unsubscribe the stream again</returns>
public async Task <BittrexApiResult <int> > SubscribeToExchangeDeltasAsync(string marketName, Action <BittrexStreamExchangeState> onUpdate)
{
return(await Task.Run(() =>
{
if (!CheckConnection())
{
return ThrowErrorMessage <int>(BittrexErrors.GetError(BittrexErrorKey.CantConnectToServer));
}
// send subscribe to bittrex
SubscribeToExchangeDeltas(marketName);
var registration = new BittrexExchangeDeltasRegistration()
{
Callback = onUpdate, MarketName = marketName, StreamId = NextStreamId
};
lock (registrationLock)
{
registrations.Add(registration);
localRegistrations.Add(registration);
}
return new BittrexApiResult <int>()
{
Result = registration.StreamId, Success = true
};
}).ConfigureAwait(false));
}
/// <summary>
/// Subscribes to updates on a specific market
/// </summary>
/// <param name="marketName">The name of the market to subscribe on</param>
/// <param name="onUpdate">The update event handler</param>
/// <returns>ApiResult whether subscription was successful. The Result property contains the Stream Id which can be used to unsubscribe the stream again</returns>
public async Task <CallResult <int> > SubscribeToExchangeDeltasAsync(string marketName, Action <BittrexStreamUpdateExchangeState> onUpdate)
{
log.Write(LogVerbosity.Info, $"Subscribing to exchange deltas for {marketName}");
if (!CheckConnection())
{
return(new CallResult <int>(0, new CantConnectError()));
}
// send subscribe to bittrex
await SubscribeToExchangeDeltas(marketName).ConfigureAwait(false);
var registration = new BittrexExchangeDeltasRegistration {
Callback = onUpdate, MarketName = marketName, StreamId = NextStreamId
};
lock (registrationLock)
{
registrations.Add(registration);
localRegistrations.Add(registration);
}
return(new CallResult <int>(registration.StreamId, null));
}
