[#1546] morph/event: Export NotificationHandlerInfo fields

Hiding them achieves nothing, as the struct has no methods and is not
used concurrently.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/innerring/processors/balance/processor.go

@@ -90,17 +90,14 @@ func New(p *Params) (*Processor, error) {
 
 // ListenerNotificationHandlers for the 'event.Listener' event producer.
 func (bp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
-	var handlers []event.NotificationHandlerInfo
-
-	// lock handler
-	lock := event.NotificationHandlerInfo{}
-	lock.SetType(lockNotification)
-	lock.SetScriptHash(bp.balanceSC)
-	lock.SetParser(balanceEvent.ParseLock)
-	lock.AddHandler(bp.handleLock)
-	handlers = append(handlers, lock)
-
-	return handlers
+	return []event.NotificationHandlerInfo{
+		{
+			Contract: bp.balanceSC,
+			Type:     lockNotification,
+			Parser:   balanceEvent.ParseLock,
+			Handlers: []event.Handler{bp.handleLock},
+		},
+	}
 }
 
 // ListenerNotaryParsers for the 'event.Listener' event producer.