Set Bitcoin Price and Push Notifications Via WeChat Rounded Hundred Break Push

/*backtest
start: 2020-10-13 00:00:00
end: 2020-10-14 01:00:00
period: 1m
basePeriod: 1m
exchanges: [{"eid":"OKEX","currency":"BTC_USDT"}]
*/
var a=[1,2,3,4,5,6,7,8,9,10]
var ticker= _C(exchange.GetTicker)

function lock(){                                //Lock the current price in which integer range
    P=parseInt(ticker.Last/100)*100
    HP=P+100
    lock_tickLast=ticker.Last
//    Log(P,HP,ticker.Last)
} 

function stack(){
    for(var k=0;k<a.length;k++)
        a[k]=a[k+1]
}    

function onTick(){
    ticker = _C(exchange.GetTicker) 
    var get=parseInt(ticker.Last/100)*100
    if(get>P){
        a[9]=get 
        if(a[8]!=a[9]){
            str=a.toString()
            if(a[9]-a[8]>100)
                Log("Successful upward gap breakthrough",get,ticker.Last,"{",str,"}",'@')
            else                        
                Log("Successful breakthrough upward",get,ticker.Last,"{",str,"}",'@' )
            lock()
            stack()
        }
    } 
    else if(get<P){
        a[9]=get+100
        if(a[9]!=a[8]){
            str=a.toString()
            if(a[8]-a[9]>100)
                Log("Successful downward gap breakthrough",a[9],ticker.Last,"{",str,"}",'@')
            else
                Log("Successfully broke downward",a[9],ticker.Last,"{",str,"}",'@' )
            lock()
            stack()
        }
    }
}

function main(){

    lock()
    a[8]=P
//    var ticker=0
    Log("The program runs and starts pushing",ticker.Last,'@')
    
    while(true){ 

            onTick()  

        Sleep(Interval*1000)                      
            
    }    
}