Voucher code for each Seller and its used code customers

[Ignatius-reilly]

Hi there, I'm new to Prestashop and I need some help, 

 

I need to knew if there's a module or some programming I may do for a feature I want to implement: 

Each Seller has a code that he shares with its customers who can use it when they buy something. Then, when Seller logs in he can see all clients that have used his code.

 

Tell me if I wasn't clear enough.

 

Thank a lot!