Affiliate website

we need our website to work like that: website sell goods, for that i think oscommerce will be fine. user A is affiliate from start, and any other users registered by his url affiliate, B or C, will be children for A, and A will earn 1$ per user registered above [login to view URL] orders that B and C makes, user A will earn 10$ from the [login to view URL] users will be registered to a group, wich have [login to view URL] group will have a code to register. This is the ideea for what i need until know, the winner will have many informations.I work with programers for many time, so i recognise a good one from the begining, si if you know can't handle with it, please don't bid.