/*backtest
start: 2021-10-06 09:00:00
end: 2021-11-04 15:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_CTP","currency":"FUTURES"}]
*/

void main() {
    json cfgA = R"({
        "extension" : {
            "layout" : "single",