Payment Gateway integration

Hi
I would like to integrate payment gateway.I want edit this 
(- application/views/front/shopping_cart folder 
- application/controllers/Home.php file : cart_finish() function 
- application/libraries folder)  files for integrate payment gateway.
I attached integration guide for payment gateway. 

#Please help me to integrate webxpay payment gateway?

Attached Files

  Integration Guide v2.4.pdf (Size: 757.26 KB / Downloads: 900)