Simple Exchangescript as Wordpress Plugin

Avg Bid (PHP)
Project Budget (PHP)
₱10000 - ₱30000

Project Description:
I need a plugin for wordpress (easy install for different domains) where webmasters register, then send visitors via an ID and get credits at a changeable ratio - for example 1 hit = 0.9 credits to get their code shown to other visitors.
The exchanged code will be a facebook like box, the webmaster needs to only set the fanpageurls he wants to share
Only hits from facebook will be counted (refcheck)
Only unique hits in 60 minutes will be counted (IPcheck)
If all credits are used systemlinks will be used instead

List/Edit registered users, hits sent, remaining credits, credits used and links they added
Option to set/change exchangeratio in %
Option to set how many links a user can add
Add Systemlinks (which will be shown when there are no webmastercredits left)

See overallstats: hits sent, remaining credits, credits used and links they added
Add/Edit fanpage-links

I'm looking at $30-40 for this simple project...

Skills required:
MySQL, PHP, Wordpress
About the employer:
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