-- Basic Martingale @ 49.5%
-- Payout 2.00x at 1% house edge. Double the bet after every loss, reset after a win.
-- It is the textbook example of streak risk: 10 losses in a row cost
-- 1023x your base bet. Use the calculator panel to size basebet for your bankroll.

chance  = 49.5
bethigh = false

basebet = params.basebet or balance / 10000   -- 0.01% of bankroll
nextbet = basebet

local multiplier = params.multiplier or 2.0   -- bet multiplier after a loss

function dobet()
  if win then
    nextbet = basebet
  else
    nextbet = previousbet * multiplier
  end
end