nil

Signed-off-by: jsvisa <delweng@gmail.com>

Author: jsvisa

core/state/snapshot/snapshot.go

@@ -390,15 +390,17 @@ func (t *Tree) Cap(root common.Hash, layers int) error {
 	}
 
 	// Update the cache stats
-	var stats fastcache.Stats
-	diff.origin.cache.UpdateStats(&stats)
-	snapshotCacheGetGauge.Update(int64(stats.GetCalls))
-	snapshotCacheSetGauge.Update(int64(stats.SetCalls))
-	snapshotCacheMissGauge.Update(int64(stats.Misses))
-	snapshotCacheSizeGauge.Update(int64(stats.BytesSize))
-	snapshotCacheCapacityGauge.Update(int64(stats.MaxBytesSize))
-	snapshotCacheEntriesGauge.Update(int64(stats.EntriesCount))
-	snapshotCacheCollisionGauge.Update(int64(stats.Collisions))
+	if diff.origin != nil && diff.origin.cache != nil {
+		var stats fastcache.Stats
+		diff.origin.cache.UpdateStats(&stats)
+		snapshotCacheGetGauge.Update(int64(stats.GetCalls))
+		snapshotCacheSetGauge.Update(int64(stats.SetCalls))
+		snapshotCacheMissGauge.Update(int64(stats.Misses))
+		snapshotCacheSizeGauge.Update(int64(stats.BytesSize))
+		snapshotCacheCapacityGauge.Update(int64(stats.MaxBytesSize))
+		snapshotCacheEntriesGauge.Update(int64(stats.EntriesCount))
+		snapshotCacheCollisionGauge.Update(int64(stats.Collisions))
+	}
 
 	// If the generator is still running, use a more aggressive cap
 	diff.origin.lock.RLock()

triedb/pathdb/disklayer.go

@@ -306,15 +306,17 @@ func (dl *diskLayer) update(root common.Hash, id uint64, block uint64, nodes *no
 // and returns a newly constructed disk layer. Note the current disk
 // layer must be tagged as stale first to prevent re-access.
 func (dl *diskLayer) commit(bottom *diffLayer, force bool) (*diskLayer, error) {
-	var stats fastcache.Stats
-	dl.nodes.UpdateStats(&stats)
-	snapshotCacheGetGauge.Update(int64(stats.GetCalls))
-	snapshotCacheSetGauge.Update(int64(stats.SetCalls))
-	snapshotCacheMissGauge.Update(int64(stats.Misses))
-	snapshotCacheSizeGauge.Update(int64(stats.BytesSize))
-	snapshotCacheCapacityGauge.Update(int64(stats.MaxBytesSize))
-	snapshotCacheEntriesGauge.Update(int64(stats.EntriesCount))
-	snapshotCacheCollisionGauge.Update(int64(stats.Collisions))
+	if dl.nodes != nil {
+		var stats fastcache.Stats
+		dl.nodes.UpdateStats(&stats)
+		snapshotCacheGetGauge.Update(int64(stats.GetCalls))
+		snapshotCacheSetGauge.Update(int64(stats.SetCalls))
+		snapshotCacheMissGauge.Update(int64(stats.Misses))
+		snapshotCacheSizeGauge.Update(int64(stats.BytesSize))
+		snapshotCacheCapacityGauge.Update(int64(stats.MaxBytesSize))
+		snapshotCacheEntriesGauge.Update(int64(stats.EntriesCount))
+		snapshotCacheCollisionGauge.Update(int64(stats.Collisions))
+	}
 
 	dl.lock.Lock()
 	defer dl.lock.Unlock()