package notificator import ( oid "github.com/nspcc-dev/neofs-sdk-go/object/id" ) // NotificationSource is a source of object notifications. type NotificationSource interface { // Iterate must iterate over all notifications for the // provided epoch and call handler for all of them. Iterate(epoch uint64, handler func(topic string, addr oid.Address)) } // NotificationWriter notifies all the subscribers // about new object notifications. type NotificationWriter interface { // Notify must notify about an event generated // from an object with a specific topic. Notify(topic string, address oid.Address) }