Struct diskLayer

core/state/snapshot/disklayer.go:33–46

diskLayer is a low level persistent snapshot built on top of a key-value store.

// diskLayer is a low level persistent snapshot built on top of a key-value store.
type diskLayer struct {
	diskdb ethdb.KeyValueStore // Key-value store containing the base snapshot
	triedb *trie.Database      // Trie node cache for reconstruction purposes
	cache  *fastcache.Cache    // Cache to avoid hitting the disk for direct access

	root  common.Hash // Root hash of the base snapshot
	stale bool        // Signals that the layer became stale (state progressed)

	genMarker  []byte                    // Marker for the state that's indexed during initial layer generation
	genPending chan struct{}             // Notification channel when generation is done (test synchronicity)
	genAbort   chan chan *generatorStats // Notification channel to abort generating the snapshot in this layer

	lock sync.RWMutex
}

// Root returns  root hash for which this snapshot was made.
func (dl *diskLayer) Root() common.Hash {