Its very simple grod EA,,

Ones  EA start just buy at market order with input varibale "initial lot size",, example 0.01 lot,, and immedetely put target and stoploss by "input varible "distance points",, example 1000 points,,,    if target hit then immediately take another buy order at market price with same points"distance points",, if tp hit this process keep on goes,,  But if sl hit then immediately take sell order with lot size 0.03 with sl and target same " distance point",, if target hit then go with same trend sell order with lot size "initial lot size" and sl and tp with same " distance point",                                                                      Sl situation :-    assume we buy with 0.01lot size  if sl hit then take sell order with lot size 0.03, if sl hit then take buy order with 0.07lot ,   if sl hit then  take  sell order with 0.15 lot,,                                 if sl hit then take buy with 0.31 lot , if sl hit take buy order  0.63 lot  , if sl hit take  sell with  1.27 ,, if sl hit take sell with 2.55 lot                                               if sl keep hiting the next order lot size goes like this bellow,, 0.01