Opencart 1.5.4 half made module for payment gateway needs to be finished.
It is a simple job for those who know what are doing.
The Pre-authorization is implemented and we need now to implement Completion.
The pre-authorization operation only checks the card balance and blocks the specified amount. The completion operation finalizes the payment process – it debits the blocked amount from the card account and credits the
Payment gateway uses SOAP.
Specification file is in attach.
SOAP app need to use HTTP POST method for access to web service.
you will be provided with the module and specifications and wsdl file example if you accept this project.