Wordpress Paypal IPN integration with Affiliate program

Using plugin "Paypal IPN", that is already installed on staging, use available hooks to trigger appropriate events when user completes payment. Hooks available here [login to view URL] Use "Ultimate Affiliate Pro" hooks/actions to : New User - Create a referral when user signs up (if user was referred by an affiliate) - Create New User if that: - paypal email is not registered - paypal email does not belong to a registered user - create user => paypal link connection link in the database - Create new Affiliate when user did not exist in the database Existent User - Update existent user if custom field was set with user_id - Update existent user if custom field was set with user_id and update users paypal email address which is a link between users account and paypal account. - Create a referral when user upgraded a package ( Not sure how this will work upgrading between packages Bronze => SIlver => Gold ) - Create a recurring commission if user was taken his X number of recurring subscription payments IPN Integration must store in custom table in the database IPN response along with some of its data that is easy to datamine when user cancelled subscription to find who that user was in the database and update user and trigger events on cancel subscription.