FEAT: Events proc holder code placeholder

process/block/sovereign/incomingHeader/incomingEventsProcHolder.go

@@ -0,0 +1,39 @@
+package incomingHeader
+
+import (
+	"errors"
+
+	"github.com/multiversx/mx-chain-core-go/core/check"
+	"github.com/multiversx/mx-chain-core-go/data"
+)
+
+type IncomingEventHandler interface {
+	ProcessEvent(event data.EventHandler) (*eventsResult, error)
+	IsInterfaceNil() bool
+}
+
+type incomingEventsProcHolder struct {
+	handlers map[string]IncomingEventHandler
+}
+
+func (iep *incomingEventsProcHolder) RegisterProcessor(event string, proc IncomingEventHandler) error {
+	if check.IfNil(proc) {
+		return errors.New("dsada")
+	}
+
+	iep.handlers[event] = proc
+	return nil
+}
+
+func (iep *incomingEventsProcHolder) ProcessIncomingEvent(event data.EventHandler) (*eventsResult, error) {
+	handler, found := iep.handlers[string(event.GetIdentifier())]
+	if !found {
+		return nil, errors.New("dsada")
+	}
+
+	return handler.ProcessEvent(event)
+}
+
+func (iep *incomingEventsProcHolder) IsInterfaceNil() bool {
+	return iep == nil
+}