/*backtest
start: 2019-05-13 00:00:00
end: 2019-06-12 00:00:00
period: 1d
exchanges: [{"eid":"Futures_OKCoin","currency":"BTC_USD"}]
*/

var preTime = 0;
var ChartObj = null;
function main(){
    LogReset(1);
    ChartObj = Chart(null);