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--I have modified this script

--it bets big amount after 5 losses in row

--simple martingale with preRolls


chance     = 49.5
multiplier = 2
base       = 0.00000100
preroll    = 5
prebet     = 0.00000001
nextbet    = prebet

function dobet()
  if win then
      nextbet = prebet
  else
      if currentstreak == -preroll then
          nextbet = base
      end
      if currentstreak < -preroll then
          nextbet = previousbet*multiplier
      end
  end
end