public static string ToDeribitString(this OrderbookGrouping group)
{
switch (group)
{
case OrderbookGrouping._none:
return("none");
case OrderbookGrouping._1:
return("1");
case OrderbookGrouping._2:
return("2");
case OrderbookGrouping._5:
return("5");
case OrderbookGrouping._10:
return("10");
case OrderbookGrouping._25:
return("25");
case OrderbookGrouping._100:
return("100");
case OrderbookGrouping._250:
return("250");
default:
throw new Exception();
}
}
// https://docs.deribit.com/v2/#book-instrument_name-group-depth-interval
public static string book(string instrument, OrderbookGrouping group,
OrderbookDepth depth, Interval interval)
{
return $"book.{group}.{instrument}.{group.ToDeribitString()}" +
$".{depth.ToDeribitString()}.{interval.ToDeribitString()}";
}