pine-script - 买入信号蜡烛高位突破 - 松代码

Question

我正在尝试用 pine 编写代码。如果以下条件为真，我需要在此信号蜡烛高位上方买入。

如何编写购买策略？请帮忙

Doji = (close < close[1]) and (close < open[1]) and (open < close[1]) and (open < open[1])