python
    
    
def main():
    while not exchange.IO("status"):
        Sleep(1000)

    info = exchange.SetContractType("rb888")
    ticker = exchange.GetTicker()
    exchange.SetDirection("buy")
    exchange.Buy(ticker["Last"] + info["PriceTick"] * 20, 2)
    position = exchange.GetPositions()
    if len(position) > 0:
        Log("Amount:", position[0]["Amount"], "FrozenAmount:", position[0]["FrozenAmount"], "Price:",
            position[0]["Price"], "Profit:", position[0]["Profit"], "Type:", position[0]["Type"],
            "ContractType:", position[0]["ContractType"], "Symbol:", position[0]["Symbol"])

    c++
    
    
void main() {
    while(exchange.IO("status") == 0) {
        Sleep(1000);
    }

    auto info = exchange.SetContractType("rb888");
    auto ticker = exchange.GetTicker();
    exchange.SetDirection("buy");
    exchange.Buy(ticker.Last + info["PriceTick"].get<double>() * 20, 2);
    auto position = exchange.GetPositions();
    if(position.size() > 0) {
        Log("Amount:", position[0].Amount, "FrozenAmount:", position[0].FrozenAmount, "Price:",
            position[0].Price, "Profit:", position[0].Profit, "Type:", position[0].Type,
            "ContractType:", position[0].ContractType, "Symbol:", position[0].Symbol);
    }
}