public Functions(Cobra tradingSystem)
{
if (tradingSystem == null)
{
throw new ArgumentNullException(nameof(tradingSystem));
}
this.tradingSystem = tradingSystem;
}
public Functions(Cobra tradingSystem, IRateProvider rateProvider)
{
if (tradingSystem == null)
{
throw new ArgumentNullException("system");
}
this.tradingSystem = tradingSystem;
this.rateProvider = rateProvider;
}