[#770] pkg/innerring: Add `NotaryContractProcessor` interface

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/innerring/bindings.go

@@ -12,6 +12,17 @@ type (
 		ListenerNotificationHandlers() []event.NotificationHandlerInfo
 		TimersHandlers() []event.NotificationHandlerInfo
 	}
+
+	// NotaryContractProcessor interface defines function for binding notary event
+	// producers such as event.Listener with contract processor.
+	//
+	// This interface is optional for contract processor. If contract processor
+	// supports notary event handling, it should implement both ContractProcessor
+	// and NotaryContractProcessor interfaces.
+	NotaryContractProcessor interface {
+		ListenerNotaryParsers() []event.NotaryParserInfo
+		ListenerNotaryHandlers() []event.NotaryHandlerInfo
+	}
 )
 
 func connectListenerWithProcessor(l event.Listener, p ContractProcessor) {
@@ -24,6 +35,17 @@ func connectListenerWithProcessor(l event.Listener, p ContractProcessor) {
 	for _, handler := range p.ListenerNotificationHandlers() {
 		l.RegisterNotificationHandler(handler)
 	}
+
+	// add notary handlers if processor supports it
+	if notaryProcessor, ok := p.(NotaryContractProcessor); ok {
+		for _, notaryParser := range notaryProcessor.ListenerNotaryParsers() {
+			l.SetNotaryParser(notaryParser)
+		}
+
+		for _, notaryHandler := range notaryProcessor.ListenerNotaryHandlers() {
+			l.RegisterNotaryHandler(notaryHandler)
+		}
+	}
 }
 
 // bindMorphProcessor connects morph chain listener handlers.

pkg/innerring/innerring.go

@@ -392,6 +392,8 @@ func New(ctx context.Context, log *zap.Logger, cfg *viper.Viper) (*Server, error
 		if err != nil {
 			return nil, fmt.Errorf("could not enable side chain notary support: %w", err)
 		}
+
+		server.morphListener.EnableNotarySupport(server.contracts.proxy, server.morphClient.Committee, server.morphClient)
 	}
 
 	if !server.mainNotaryConfig.disabled {
@@ -643,6 +645,7 @@ func New(ctx context.Context, log *zap.Logger, cfg *viper.Viper) (*Server, error
 		ContainerClient:   cnrClient,
 		NeoFSIDClient:     neofsIDClient,
 		NetworkState:      server.netmapClient,
+		NotaryDisabled:    server.sideNotaryConfig.disabled,
 	})
 	if err != nil {
 		return nil, err