public override IList <MessageSymbolInfo> GetFutureContracts(GetFutureContractsRequestParameters requestParameters)
{
string underlierId = requestParameters.UnderlierId ?? requestParameters.Root;
if (underlierId == null || !this.client.SymbolsProvider.TryGetFuturesByUnderlier(underlierId, out var futures))
{
return(base.GetFutureContracts(requestParameters));
}
return(futures.Select(f => this.CreateSymbolMessage(f))
.Cast <MessageSymbolInfo>()
.ToList());
}
public override IList <MessageSymbolInfo> GetFutureContracts(GetFutureContractsRequestParameters requestParameters) => this.currentVendor?.GetFutureContracts(requestParameters);
