I found this one through extensive research i used it makes me 0.8 BTC it may not be 1btc but it does the job thats like $500 i think. This scripts automatically stops working after you make 0.8btc profit. It has that added feature. Try it or not up to you doesnt make a difference to me. Heres link I got straight from owner. https://satoshibox.com/icctcy4h6tmh8j5icc86spge