Integrating polish payment gateway for Couponic script

We're looking for someone who can write module to Uniprogy Couponic script (Groupon clone) integrating polish payment gateway [login to view URL] Crucial feature is the ability to block the payments from all users who bid on the offer, but with an option for system admin to refund the money if an offer would not reach specified minimum count of customers (exactly as on Groupon). Documentation: Uniprogy Couponic: [login to view URL] Dotpay: attached .pdf file Serious bidders with experience on payment gateways only please. Proven previous experience with Couponic script would be an advantage too. Winner would get access to our website, ftp account etc. Please ask if you have any questions.