public Guid StartNewTrader(List <string> pairs, List <ITraderRule> traderRules)
{
var currentTransactionId = Guid.NewGuid();
var cancellationTokenSource = new CancellationTokenSource();
var task = Task.Run(
() => _trader.TradeAsync(currentTransactionId, pairs, 10, 20, IntervalType.FiveMinutes, cancellationTokenSource.Token)
, cancellationTokenSource.Token);
_currentTransactions.Add(
new Tuple <Guid, Task, CancellationTokenSource>(currentTransactionId, task, cancellationTokenSource)
);
return(currentTransactionId);
}