// 挂多单止损
function longStopLossInOkex(num, symbol, price, size) {
    let real_symbol = symbol.replace("_USDT", "") + "-USDT-SWAP";
    var param = "instId=" + real_symbol + "&tdMode=cross" + "&side=sell" + "&posSide=long" + "&ordType=conditional" + "&sz=" + size.toString() + "&slTriggerPx=" + price.toString() + "&slOrdPx=-1";
    var ret = exchanges[num].IO("api", "POST", "/api/v5/trade/order-algo", param);
    Log(exchanges[num].GetLabel(), ": 挂多单止损：", ret);
    return true;
}

// 挂多单止盈