StoreKit ask to buy should have more data in pending state. When user try to purchase ask to buy, we should get at least transactionID, product itself, and time that user start the request. So we can keep track of the whole transaction flow
jwsRepresentation should always available for every state, actually even failing state. And should attach state inside of it. Instead of only available after verified purchase. So we can use transactionID and everything relate to transaction for both waiting for purchase and
Currently we only have jwsRepresentation after complete purchase, which is very limited its usage