I'm currently developing a Phonegap mobile application. I implemented In App purchase in my iPhone application and it works fine. I retrieve my products informations from itunes, I got the receipt of payment from itunes store, my app is sending the receipt back to my servers, the receipt is verified server side using curl/apple api.
My issue is, on the server side when I log the purchase when receipt is OK using information of the receipt, so I know which product the user bought through the app, the datetime, the transaction id BUT I don't know how much the user paid for it. The same product is on different itunes store (US, FR, UK..), so the price could be 100E or 140$, but on the server side how can I retrieve the price and currency the user paid (to make statistics for example)?