orderId = exchange.IO("api", "POST","/api/v4/futures/btc/orders", {
"contract": "BTC_USD",
"price": price2,
"size": 1, // Tambah parameter size
"amount": n,
"direction": "short",
"offset": "open",
"lever_rate": 100,
"order_type": "conditional",
"trigger_price":price2,
"order_price_type": "limit",
"time_in_force": "gtc"
}); adakah kod ini betul, bagaimana cakera keras itu adalah satu-satunya komisen biasa, mohon Tuhan untuk membingungkan