Binance Contract Websocket Interface Example for Querying Position Accounts

function main() {
    LogReset(1)
    var ws = null
    exchange.IO("base", "https://dapi.binance.com")
    var obj = exchange.IO("api", "POST", "/dapi/v1/listenKey")
    Log(obj, typeof(obj))
    var listenKey = obj.listenKey
    Log("listenKey:", listenKey)
    var ts = new Date().getTime()
    ws = Dial("wss://dstream.binance.com/ws/" + String(listenKey))
    while (1) {
        var arr = ["balance", "account", "position"]
        for (var i in arr) {
            var info = {
                "method": "REQUEST",
                "params": [
                    listenKey + "@" + arr[i]
                ],
                "id": ts
            }
            ws.write(JSON.stringify(info))
            var ret = ws.read()
            Log(ret)
            Sleep(1000)
        }
        Sleep(1000)
    }
}