Library "heikin_ashi_candles"
This library is programmed to calculate the Heikin Ashi candles using the standard formula of Heikin Ashi Candles.
Notice the Heikin Ashi chart type isn't 100% like the results from this calculation.
You can import this library in your code to use it as a smoothing method for your strategy which operates on the standard chart type.
_close()
_open()
_high()
_low()
_ohlc4()
_hlcc4()
_hlc3()
_hl2()