void main() {
    Sleep(10000);
    Log(exchange.GetAccount());
    while (1) {
        if (exchange.IO("status") == 1) {
            exchange.SetContractType(Symbol);
           auto r1 = exchange.GetRecords(h);
         auto macd = TA.MACD(r1);
           auto slow = macd[0][macd[0].size() - 1];
           auto fast = macd[1][macd[1].size() - 1];
            auto r = exchange.GetRecords(w);
            auto b=r[r.size()-1].High - r[r.size()-1].Low;