/// <inheritdoc />
protected override async Task <CallResult <UpdateSubscription> > DoStart()
{
var subResult = await socketClient.SubscribeToOrderBookUpdatesAsync(Symbol, _limit, HandleUpdate).ConfigureAwait(false);
if (!subResult.Success)
{
return(new CallResult <UpdateSubscription>(null, subResult.Error));
}
Status = OrderBookStatus.Syncing;
// Slight wait to make sure the order book snapshot is from after the start of the stream
await Task.Delay(300).ConfigureAwait(false);
var queryResult = await client.GetOrderBookAsync(Symbol, _limit).ConfigureAwait(false);
if (!queryResult.Success)
{
await socketClient.UnsubscribeAll().ConfigureAwait(false);
return(new CallResult <UpdateSubscription>(null, queryResult.Error));
}
SetInitialOrderBook(queryResult.Data.Sequence, queryResult.Data.Bid, queryResult.Data.Ask);
return(new CallResult <UpdateSubscription>(subResult.Data, null));
}
/// <inheritdoc />
protected override async Task <CallResult <UpdateSubscription> > DoStart()
{
var subResult = await socketClient.SubscribeToOrderBookUpdatesAsync(Symbol, HandleUpdate).ConfigureAwait(false);
if (!subResult.Success)
{
return(new CallResult <UpdateSubscription>(null, subResult.Error));
}
Status = OrderBookStatus.Syncing;
var queryResult = await socketClient.GetOrderBookAsync(Symbol).ConfigureAwait(false);
if (!queryResult.Success)
{
await socketClient.UnsubscribeAll().ConfigureAwait(false);
return(new CallResult <UpdateSubscription>(null, queryResult.Error));
}
SetInitialOrderBook(queryResult.Data.Nonce, queryResult.Data.Buys, queryResult.Data.Sells);
return(new CallResult <UpdateSubscription>(subResult.Data, null));
}
