Subcriber for create a Exchange, Payload should have data: Payload: Payload{ Data:{ "username": username, "voucher": voucher, string (ObjectID of the voucher) }, }, reward/createExchange/ POST -> create a exchange.

Subcriber for create a GiftHistory, Payload should have data: Payload: Payload{ Data:{ "sender": senderUsername, "receiver": receiverUsername, "amount": amount, }, }, reward/createGiftHistory/ POST -> create a gift history.

Subcriber for create a UserItem, Payload should have data: Payload: Payload{ Data:{ "username": username, "amount": amount, (initialy 0 or maybe a different number) }, }, reward/createUserItem/ POST -> create a user.

Subcriber for get all Exchange, Request should have data: reward/getAllExchange reward/getAllExchange GET -> get all exchange.

Subcriber for get all GiftHistory, Request should have data: reward/getAllGiftHistory reward/getAllGiftHistory GET -> get all gift history.

Subcriber for get all UserItem, Request should have data: reward/getAllUserItem? reward/getAllUserItem GET -> get all userItem.

Subcriber for get a Exchange, Request should have data: reward/getExchange?username=..

Subcriber for get a UserItem, Request should have data: reward/getUserItem?username=..

Subcriber for get receiver GiftHistory, Request should have data: reward/getReceiverGiftHistory?username=..

Subcriber for get sender GiftHistory, Request should have data: reward/getSenderGiftHistory?username=..

Subcriber for update a UserItem, Payload should have data: Payload: Payload{ Data:{ "username": username, "amount": amount, "voucher": voucher, string (ObjectID of the voucher) }, }, reward/updateUserItem/ PUT -> update a user.

In Data should have username and password for login.

Struct for a Request.