this is what snowy uses

chance = 49.95
nextbet = balance/5000
basebet = balance/5000
bethigh=true
maxline = balance/2000
target = 0.001
multi = 2
function dobet()

if win then
bethigh=true
else
nextbet = previousbet  * multi
end
if previousbet > maxline  then
	if win then
	nextbet = basebet
	resetbuiltin()
	else
 	nextbet = previousbet * multi
	end
	end
if balance > target then
stop()
end
end