Add a button to cancel an ongoing izettle payment to the frontend (when the frontend is in izettle poll mode) which should cancel the current izettle payment. Undefined behaviour when a payment is paid and cancelled at the same time, could be problematic to implement.
Add a button to cancel an ongoing izettle payment to the frontend (when the frontend is in izettle poll mode) which should cancel the current izettle payment. Undefined behaviour when a payment is paid and cancelled at the same time, could be problematic to implement.