joomla members IP address capture copy to database

Very simple job. To insert a IP address Button on members profile page that they can update by the click of a button. Must store IP address in admin area and create a separate database on the server that just holds valid ip addresses. Expired account MUST be removed 1. Customer logs in to there account 2. Profile shows users last recorded IP address 3. Customer pushes IP update button 4. New IP address is added 5 Customers account expires and IP address is removed from the database. This is a very simple project and we will Pay a MAX of $30 Looking for someone that can do this job today. Thank you