reading this https://developers.google.com/in-app-payments/docs/tutorial
Quoted from the above page: Because you sign the JWT using a secret key (the Seller Secret), you must generate the JWT using server-side code. It's simplest if you use a library.https://github.com/luciferous/jwt
Must I somehow include this...? I so how? there is more than one file there and no read me of what they each do, I am very confused!
The docs just don't say!