public async Task <IEnumerable <Core.Model.AggregateTrade> > GetAggregateTradesAsync(string symbol, int limit, CancellationToken cancellationToken)
{
var binanceApi = new BinanceApi();
var trades = await binanceApi.GetAggregateTradesAsync(symbol, limit, cancellationToken).ConfigureAwait(false);
var aggregateTrades = trades.Select(at => NewAggregateTrade(at)).ToList();
return(aggregateTrades);
}