extra check (#13846)

baseapp/msg_service_router.go

@@ -112,6 +112,10 @@ func (msr *MsgServiceRouter) RegisterService(sd *grpc.ServiceDesc, handler inter
 				goCtx = context.WithValue(goCtx, sdk.SdkContextKey, ctx)
 				return handler(goCtx, req)
 			}
+
+			if err := req.ValidateBasic(); err != nil {
+				return nil, err
+			}
 			// Call the method handler from the service description with the handler object.
 			// We don't do any decoding here because the decoding was already done.
 			res, err := methodHandler(handler, sdk.WrapSDKContext(ctx), noopDecoder, interceptor)