TradingView PineScript-以一定价格买入长时间

Question

了解如何对此进行编码。 一直在尝试从书本中获取策略，并尝试对其进行编码和重新测试。

一种策略是：如果一天的收盘价低于前几天的低点（绿色柱），那么如果未来价格超过高点（蓝色线），则打开多头头寸。

我似乎不知道该怎么做。一旦价格超过高点（可能是几天），就进入。

//@version=3
//  Created by Leon Ross
strategy(title = "SmashDay", shorttitle = "SD", overlay = true, 
  pyramiding = 0, default_qty_type = strategy.percent_of_equity, default_qty_value = 100, 
  calc_on_every_tick=false, initial_capital=100000)


//Window of time
start     = timestamp(2018, 08, 01, 00, 00)  // backtest start window
finish    = timestamp(2018, 12, 31, 23, 59)        // backtest finish window
window()  => time >= start and time <= finish ? true : false // create function "within window of time"  

//Conditions
closeBelowLow = close < low[1]
highOnNextDay = valuewhen(closeBelowLow, high, 0)
allConditions = closeBelowLow    

//Plots
bgcolor(closeBelowLow ==1 ? lime : na, transp=70)
plot(entry, color=blue, style=linebr, linewidth=2)

//Entires/Exits
if(window())
    if(close>highOnNextDay)
        //strategy.entry(id = "Long", long = true, when = entry) // use function or simple condition to decide when to get in
        //strategy.exit("Exit Long", from_entry = "Long", limit = useTakeProfit, stop = useStopLoss)