Apply suggestions from code review

Co-authored-by: colin <102356659+colinlyguo@users.noreply.github.com>

Author: yiweichi

rollup/cmd/blob_uploader/app/app.go

@@ -31,13 +31,10 @@ func init() {
 	app.Usage = "The Scroll Blob Uploader"
 	app.Version = version.Version
 	app.Flags = append(app.Flags, utils.CommonFlags...)
-	app.Flags = append(app.Flags, utils.RollupRelayerFlags...)
 	app.Commands = []*cli.Command{}
 	app.Before = func(ctx *cli.Context) error {
 		return utils.LogSetup(ctx)
 	}
-	// Register `rollup-relayer-test` app for integration-test.
-	utils.RegisterSimulation(app, utils.RollupRelayerApp)
 }
 
 func action(ctx *cli.Context) error {

rollup/internal/controller/blob_uploader/blob_uploader_metrics.go

@@ -17,16 +17,16 @@ var (
 	blobUploaderMetric          *blobUploaderMetrics
 )
 
-func initblobUploaderMetrics(reg prometheus.Registerer) *blobUploaderMetrics {
+func initBlobUploaderMetrics(reg prometheus.Registerer) *blobUploaderMetrics {
 	initBlobUploaderMetricsOnce.Do(func() {
 		blobUploaderMetric = &blobUploaderMetrics{
 			rollupBlobUploaderUploadToS3SuccessTotal: promauto.With(reg).NewCounter(prometheus.CounterOpts{
 				Name: "rollup_blob_uploader_upload_to_s3_success_total",
-				Help: "The total number of upload blob to S3 run success total",
+				Help: "The total number of upload blob to S3 runs success total",
 			}),
 			rollupBlobUploaderUploadToS3FailedTotal: promauto.With(reg).NewCounter(prometheus.CounterOpts{
 				Name: "rollup_blob_uploader_upload_to_s3_failed_total",
-				Help: "The total number of upload blob to S3 run failed total",
+				Help: "The total number of upload blob to S3 runs failed total",
 			}),
 		}
 	})

rollup/internal/orm/blob_upload.go

@@ -37,7 +37,6 @@ func (o *BlobUpload) InsertBlobUpload(ctx context.Context, batchIndex uint64, pl
 		BatchIndex: batchIndex,
 		Platform:   int16(platform),
 		Status:     int16(status),
-		UpdatedAt:  time.Now(),
 	}
 
 	db := o.db
@@ -63,7 +62,6 @@ func (o *BlobUpload) UpdateBlobUploadStatus(ctx context.Context, batchIndex uint
 
 	updates := map[string]interface{}{
 		"status":     status,
-		"updated_at": time.Now(),
 	}
 
 	if err := db.Updates(updates).Error; err != nil {
@@ -83,7 +81,6 @@ func (o *BlobUpload) InsertOrUpdateBlobUpload(ctx context.Context, batchIndex ui
 		BatchIndex: batchIndex,
 		Platform:   int16(platform),
 		Status:     int16(status),
-		UpdatedAt:  time.Now(),
 	}
 	if err := db.Clauses(clause.OnConflict{
 		Columns:   []clause.Column{{Name: "batch_index"}, {Name: "platform"}},