/*
This stragegy will sent a message to your telegram when the price is higher or lower than
the set price.
All stragegy must has a main function as the entrance.
*/
function main() {
     //change symbol,will cover the default exchange which was set when start a bot.Currency is a strategy arguments
    exchange.IO("currency", Currency)   
    var lastPushTime = 0    //the variable of last push timestamp.
    while(true){    //run a infinite loop, which is the basic structure