public async Task <Dictionary <ExchangeTitle, Trade[]> > GetCurrentTradeListsAsync()
{
var binanceTask = Task.Run(async() => await binance.GetLastTradesAsync(Ticker.BtcUsd));
var bitfinexTask = Task.Run(async() => await bitfinex.GetLastTradesAsync(Ticker.BtcUsd));
var bitstampTask = Task.Run(async() => await bitstamp.GetLastTradesAsync(Ticker.BtcUsd));
var tasks = new[] { binanceTask, bitfinexTask, bitstampTask };
await Task.WhenAll(tasks);
var result = new Dictionary <ExchangeTitle, Trade[]>
{
[ExchangeTitle.Binance] = binanceTask.Result.IsSuccess ? binanceTask.Result.Value : new Trade[0],
[ExchangeTitle.Bitfinex] = bitfinexTask.Result.IsSuccess ? bitfinexTask.Result.Value : new Trade[0],
[ExchangeTitle.Bitstamp] = bitstampTask.Result.IsSuccess ? bitstampTask.Result.Value : new Trade[0],
};
return(result);
}