internal SubscriptionMessage WithMarketFilter(MarketFilter marketFilter)
{
if (marketFilter != null)
{
MarketFilter = marketFilter;
}
return(this);
}
public async Task Subscribe(MarketFilter marketFilter, MarketDataFilter dataFilter)
{
_requestId++;
var subscriptionMessage = new SubscriptionMessage("marketSubscription", _requestId)
.WithMarketFilter(marketFilter)
.WithMarketDataFilter(dataFilter);
await Writer.WriteLineAsync(subscriptionMessage.ToJson());
_subscriptionMessages.Add(_requestId, subscriptionMessage);
}