Share Notify When the ADX Value Reaches the Conditions

/*backtest
start: 2020-01-01 00:00:00
end: 2021-02-02 00:00:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Futures_OKCoin","currency":"ETH_USD"},{"eid":"Futures_OKCoin","currency":"BTC_USD"}]
args: [["P_contract","quarter|quarter"],["P_contract_value","10|100"]]
*/

/*
In order to give back to the FMZ platform and community, share strategies & codes & ideas & templates

Introduction:
Call the ADX indicator and send FMZ communication notifications when certain conditions are met
Can sequentially poll multiple trading pairs

Welcome to cooperate and communicate, learn and progress together~
v:haiyanyydss
*/

function getPara(val, i){
    val = ""+val;
    var ret = val.split("|").length>i?val.split("|")[i]:val.split("|")[val.split("|").length-1];
    return ret.trim();
}

function Trade(e){
    this.e = e;
    this.last_alert_time = 0;
    this.ontick = function(){
        var records = _C(this.e.GetRecords);
        var last_record = records[records.length-1];
        var adx = talib.ADX(records, this.adx_len);
        if(this.last_alert_time < last_record.Time && adx[adx.length-1] > this.adx_val){
            this.last_alert_time = last_record.Time;
            Log(this.e.GetCurrency(), this.contract, "adxValue exceeds"+this.adx_val , new Date(), "@");
        }
    }
}

function main() {
    LogReset();
    var tradeArr = [];
    for(var i in exchanges){
        var trade = new Trade(exchanges[i]);  
        trade.adx_len = 1*getPara(P_adx_len, i);
        trade.adx_val = 1*getPara(P_adx_val, i);
        trade.contract = getPara(P_contract, i);
        trade.e.SetContractType(trade.contract);
        tradeArr.push(trade)
    }
    
    while (true) {
        for(var i in tradeArr){
            Sleep(P_interval_time);
            tradeArr[i].ontick();
        }
    }
}