An Expert Advisor Based on DEMA PRICE CROSSOVER

Hi Every One,

I am looking to create a simple EA based on indicator DEMA (Double Exponential Moving Average)

I will attach images to clarify what i need but below is the rules

The Rules for executing orders:

FOR BUY ORDER

1) Price Cross over the dema line,

2) the second candle has to open and close above the indicator line,

3) Once the second candle closes, Close any previous order & execute new buy order.

FOR SELL ORDER

1) Price Cross over the dema line,

2) the second candle has to open and close Below the indicator line,

3) Once the second candle closes, Close any previous order & execute new buy order.

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Other rules

NO STOP LOSS OR TAKE PROFIT.

all orders should be executed on current chart

I should be able to change dema period,

Good Luck!