fix:commit suggestion

eth/downloader/downloader.go

@@ -1282,10 +1282,10 @@ func (d *Downloader) processHeaders(origin uint64, td, ttd *big.Int, beaconMode
 	var (
 		mode       = d.getMode()
 		gotHeaders = false // Wait for batches of headers to process
-		secondTimer = time.NewTimer(time.Second)
+		timer      = time.NewTimer(time.Second)
 	)
 
-	defer secondTimer.Stop()
+	defer timer.Stop()
 
 	for {
 		select {
@@ -1407,11 +1407,11 @@ func (d *Downloader) processHeaders(origin uint64, td, ttd *big.Int, beaconMode
 				if mode == FullSync || mode == SnapSync {
 					// If we've reached the allowed number of pending headers, stall a bit
 					for d.queue.PendingBodies() >= maxQueuedHeaders || d.queue.PendingReceipts() >= maxQueuedHeaders {
-						secondTimer.Reset(time.Second)
+						timer.Reset(time.Second)
 						select {
 						case <-d.cancelCh:
 							return errCanceled
-						case <-secondTimer.C:
+						case <-timer.C:
 						}
 					}
 					// Otherwise insert the headers for content retrieval
@@ -1578,9 +1578,9 @@ func (d *Downloader) processSnapSyncContent() error {
 	var (
 		oldPivot *fetchResult   // Locked in pivot block, might change eventually
 		oldTail  []*fetchResult // Downloaded content after the pivot
-		secondTimer = time.NewTimer(time.Second)
+		timer    = time.NewTimer(time.Second)
 	)
-	defer secondTimer.Stop()
+	defer timer.Stop()
 	for {
 		// Wait for the next batch of downloaded data to be available. If we have
 		// not yet reached the pivot point, wait blockingly as there's no need to
@@ -1663,7 +1663,7 @@ func (d *Downloader) processSnapSyncContent() error {
 				oldPivot = P
 			}
 			// Wait for completion, occasionally checking for pivot staleness
-			secondTimer.Reset(time.Second)
+			timer.Reset(time.Second)
 			select {
 			case <-sync.done:
 				if sync.err != nil {
@@ -1674,7 +1674,7 @@ func (d *Downloader) processSnapSyncContent() error {
 				}
 				oldPivot = nil
 
-			case <-secondTimer.C:
+			case <-timer.C:
 				oldTail = afterP
 				continue
 			}

p2p/simulations/adapters/exec.go

@@ -303,7 +303,6 @@ func (n *ExecNode) Stop() error {
 	go func() {
 		waitErr <- n.Cmd.Wait()
 	}()
-
 	timer := time.NewTimer(5 * time.Second)
 	defer timer.Stop()
 

p2p/simulations/mocker.go

@@ -65,10 +65,13 @@ func startStop(net *Network, quit chan struct{}, nodeCount int) {
 	if err != nil {
 		panic("Could not startup node network for mocker")
 	}
-	tick := time.NewTicker(10 * time.Second)
-	defer tick.Stop()
 
-	timer := time.NewTimer(3 * time.Second)
+	var (
+		tick  = time.NewTicker(10 * time.Second)
+		timer = time.NewTimer(3 * time.Second)
+	)
+
+	defer tick.Stop()
 	defer timer.Stop()
 
 	for {

p2p/simulations/network.go

@@ -1028,14 +1028,14 @@ func (net *Network) Load(snap *Snapshot) error {
 		}
 	}
 
-	snapshotLoadTimeoutTimer := time.NewTimer(snapshotLoadTimeout)
-	defer snapshotLoadTimeoutTimer.Stop()
+	timeout := time.NewTimer(snapshotLoadTimeout)
+	defer timeout.Stop()
 
 	select {
 	// Wait until all connections from the snapshot are established.
 	case <-allConnected:
 	// Make sure that we do not wait forever.
-	case <-snapshotLoadTimeoutTimer.C:
+	case <-timeout.C:
 		return errors.New("snapshot connections not established")
 	}
 	return nil