Add Inner Ring code

pkg/innerring/bindings.go

@@ -0,0 +1,54 @@
+package innerring
+
+import (
+	"github.com/nspcc-dev/neofs-node/pkg/innerring/timers"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
+)
+
+type (
+	// ContractProcessor interface defines functions for binding event producers
+	// such as event.Listener and Timers with contract processor.
+	ContractProcessor interface {
+		ListenerParsers() []event.ParserInfo
+		ListenerHandlers() []event.HandlerInfo
+		TimersHandlers() []event.HandlerInfo
+	}
+)
+
+func connectListenerWithProcessor(l event.Listener, p ContractProcessor) {
+	// register parsers
+	for _, parser := range p.ListenerParsers() {
+		l.SetParser(parser)
+	}
+
+	// register handlers
+	for _, handler := range p.ListenerHandlers() {
+		l.RegisterHandler(handler)
+	}
+}
+
+func connectTimerWithProcessor(t *timers.Timers, p ContractProcessor) error {
+	var err error
+	for _, parser := range p.TimersHandlers() {
+		err = t.RegisterHandler(parser)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// bindMorphProcessor connects both morph chain listener handlers and
+// local timers handlers.
+func bindMorphProcessor(proc ContractProcessor, s *Server) error {
+	connectListenerWithProcessor(s.morphListener, proc)
+	return connectTimerWithProcessor(s.localTimers, proc)
+}
+
+// bindMainnetProcessor connects both mainnet chain listener handlers and
+// local timers handlers.
+func bindMainnetProcessor(proc ContractProcessor, s *Server) error {
+	connectListenerWithProcessor(s.mainnetListener, proc)
+	return connectTimerWithProcessor(s.localTimers, proc)
+}