Use time.After instead of tickers.

background/background.go

@@ -379,14 +379,12 @@ func Start(shutdownCtx context.Context, wg *sync.WaitGroup, vdb *database.VspDat
 	// Run voting wallet consistency check periodically.
 	wg.Add(1)
 	go func() {
-		ticker := time.NewTicker(consistencyInterval)
 	consistencyLoop:
 		for {
 			select {
 			case <-shutdownCtx.Done():
-				ticker.Stop()
 				break consistencyLoop
-			case <-ticker.C:
+			case <-time.After(consistencyInterval):
 				checkWalletConsistency()
 			}
 		}

database/database.go

@@ -202,19 +202,17 @@ func Open(ctx context.Context, shutdownWg *sync.WaitGroup, dbFile string, backup
 		return nil, fmt.Errorf("upgrade failed: %w", err)
 	}
 
-	// Start a ticker to update the backup file at the specified interval.
+	// Periodically update the database backup file.
 	shutdownWg.Add(1)
 	go func() {
-		ticker := time.NewTicker(backupInterval)
 		for {
 			select {
-			case <-ticker.C:
+			case <-time.After(backupInterval):
 				err := writeHotBackupFile(db)
 				if err != nil {
 					log.Errorf("Failed to write database backup: %v", err)
 				}
 			case <-ctx.Done():
-				ticker.Stop()
 				shutdownWg.Done()
 				return
 			}

webapi/webapi.go

@@ -159,7 +159,7 @@ func Start(ctx context.Context, requestShutdown func(), shutdownWg *sync.WaitGro
 		}
 	}()
 
-	// Use a ticker to update cached VSP stats.
+	// Periodically update cached VSP stats.
 	var refresh time.Duration
 	if s.cfg.Debug {
 		refresh = 1 * time.Second
@@ -168,14 +168,12 @@ func Start(ctx context.Context, requestShutdown func(), shutdownWg *sync.WaitGro
 	}
 	shutdownWg.Add(1)
 	go func() {
-		ticker := time.NewTicker(refresh)
 		for {
 			select {
 			case <-ctx.Done():
-				ticker.Stop()
 				shutdownWg.Done()
 				return
-			case <-ticker.C:
+			case <-time.After(refresh):
 				err := updateCache(ctx, vdb, dcrd, config.NetParams, wallets)
 				if err != nil {
 					log.Errorf("Failed to update cached VSP stats: %v", err)