The German singles chart is based off of the value of the sales rather than the raw amount of sales so there's gonna be a disconnect between her iTunes position and her official position.
This is the next #1 in Germany due to the song being the theme of this year's Jungle Camp so it doesn't matter if it's discounted right now. Same thing happened to Lily's Hard Out Here last year.
I don't understand the point of the "clean version"... like, what is wrong with "coming up until we die" and how is "getting loud and getting laced" any better than "getting high and getting wrecked"