/*backtest
start: 2020-05-18 00:00:00
end: 2020-06-16 23:59:00
period: 1h
basePeriod: 1h
exchanges: [{"eid":"Binance","currency":"BTC_USDT","stocks":0}]
*/

var order = {buy_price:0,buy_amount:0,buy_id:0,sell_price:0,sell_amount:0,sell_id:0}
var account = null
var last = 0
var symbol = ''