Expression for renko

Algos, strategies, code
1

i want to set brick size like for eg- 5/-

and if two consecutive times price closes above previous close, then buy

2

You can use the below code, checked with Candlestick, works fine. Not sure about Renko-

Buy-

SET A= Ref(CLOSE,1)
SET B= Ref(CLOSE,2)
A > B AND LAST> A