'''backtest
start: 2024-11-19 00:00:00
end: 2024-12-18 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Binance","currency":"TRB_USDT"},{"eid":"OKX","currency":"TRB_USDT"}]
'''

import time
import json

# 全局变量定义