feat: generate neccessary files

Makefile

@@ -78,7 +78,12 @@ lint: ## Runs the linter
 
 .PHONY: generate-code-from-proto
 generate-code-from-proto: ## Generates code from proto files
-	cd proto/src/proto/datastream/v1 && protoc --proto_path=. --proto_path=../../../../include --go_out=../../../../../state/datastream --go-grpc_out=../../../../../state/datastream --go-grpc_opt=paths=source_relative --go_opt=paths=source_relative datastream.proto
+	# cd proto/src/proto/datastream/v1 && protoc --proto_path=. --proto_path=../../../../include --go_out=../../../../../state/datastream --go-grpc_out=../../../../../state/datastream --go-grpc_opt=paths=source_relative --go_opt=paths=source_relative datastream.proto
+	protoc --proto_path=agglayer/proto \
+       --go_out=agglayer/proto --go_opt=paths=source_relative \
+       --go-grpc_out=agglayer/proto --go-grpc_opt=paths=source_relative \
+       agglayer/proto/types/*.proto \
+       agglayer/proto/node/*.proto
 
 
 ## Help display.

agglayer/proto/node/agglayer_certificate_submission_service.proto

@@ -0,0 +1,34 @@
+// Proto definition for Agglayer Certificate Submition Service
+
+syntax = "proto3";
+
+package proto;
+option go_package = "github.com/agglayer/aggkit/agglayer/proto/node;node";
+import "types/certificate.proto";
+
+// Service for submitting certificate to an agglayer node.
+service AgglayerCertificateSubmissionService {
+  // Method used to submit a certificate.
+  rpc SubmitCertificate(SubmitCertificateRequest)
+      returns (SubmitCertificateResponse);
+}
+
+// Type used to submit a certificate.
+message SubmitCertificateRequest {
+  // The certificate to submit.
+  types.Certificate certificate = 1;
+}
+
+// Type used as response to a certificate submission.
+message SubmitCertificateResponse {
+  // The certificate id of the submitted certificate.
+  types.CertificateId certificate_id = 1;
+}
+
+// The kind of error that occurred and that are reported by the service.
+enum ErrorKind {
+  // Unspecified error.
+  ERROR_KIND_UNSPECIFIED = 0;
+  // The signature verification failed.
+  ERROR_KIND_SIGNATURE_VERIFICATION = 1;
+}