public BittrexWebsocket(
string connectionUrl,
BittrexCallback updateExchangeState,
BittrexCallback updateOrderState,
BittrexCallback updateBalanceState
)
{
// Set delegates
_updateExchangeState = updateExchangeState;
_updateOrderState = updateOrderState;
_updateBalanceState = updateBalanceState;
// Create connection to c2 SignalR hub
_hubConnection = new HubConnection(connectionUrl);
_hubProxy = _hubConnection.CreateHubProxy("c2");
// Register callback for uE (exchange state delta) events
_hubProxy.On(
"uE",
exchangeStateDelta => _updateExchangeState?.Invoke(exchangeStateDelta)
);
// Register callback for uO (order status change) events
_hubProxy.On(
"uO",
orderStateDelta => _updateOrderState?.Invoke(orderStateDelta)
);
// Register callback for uB (balance status change) events
_hubProxy.On(
"uB",
balanceStateDelta => _updateBalanceState?.Invoke(balanceStateDelta)
);
_hubConnection.Start().Wait();
}
private async Task <bool?> ConnectToSignalR()
{
_hubConnection = new HubConnection(baseUrl);
_hubProxy = _hubConnection.CreateHubProxy("c2");
_hubConnection.Closed += _hubConnection_Closed;
_hubConnection.ConnectionSlow += _hubConnection_ConnectionSlow;
_hubConnection.Error += _hubConnection_Error;
_hubConnection.Received += _hubConnection_Received;
_hubConnection.Reconnected += _hubConnection_Reconnected;
_hubConnection.Reconnecting += _hubConnection_Reconnecting;
_hubConnection.StateChanged += _hubConnection_StateChanged;
try
{
await _hubConnection.Start().ConfigureAwait(false);
#region obsolete
if (_hubConnection.State == ConnectionState.Connected)
{
_hubProxy.On(
"uE",
exchangeStateDelta => _updateExchangeState?.Invoke(exchangeStateDelta)
);
_client.OnEvent(Name, BrokerEvent.SessionLogon, string.Empty);
using (await _lock.LockAsync())
{
if (_subscribeList.Count > 0)
{
foreach (var i in _subscribeList)
{
if (i.Value.market != null)
{
i.Value.market.ask_list.Clear();
i.Value.market.bid_list.Clear();
i.Value.market.nonce = 0;
}
try
{
var res = await QueryExchangeState(i.Key);
ParseMessage(Decode(res));
await SubscribeToExchangeDeltas(i.Key);
}
catch (Exception ex)
{
_logger.Log(LogPriority.Error, $"Connection error {ex.Message}", Name);
}
}
}
}
_client.OnEvent(Name, BrokerEvent.SessionLogon, string.Empty);
_client.OnEvent(Name, BrokerEvent.ConnectorStarted, string.Empty);
}
#endregion
return(true);
}
catch (Exception ex)
{
_logger.Log(LogPriority.Error, $"Exception - {ex.Message}", Name);
return(false);
}
}