Please explain a little about the reference method in the main function.
For example, let's say you open a contract for BTC_USDT quarterly at $30,000, how should you write it?
Or explain it to the master function.
var info = $.OpenLong ((exchange,
Inventors quantify - small dreams$0.OpenLong ((exchange, "quarter", 100) is a free exchange. The exchange is the object of this exchange, Kido, a quarterly contract, 100 pieces.