snapshot, trie: fixed typos, mostly in snapshot pkg (ethereum#22133)

core/state/snapshot/conversion.go

@@ -240,7 +240,7 @@ func generateTrieRoot(it Iterator, account common.Hash, generatorFn trieGenerato
 		}
 		in <- leaf
 
-		// Accumulate the generaation statistic if it's required.
+		// Accumulate the generation statistic if it's required.
 		processed++
 		if time.Since(logged) > 3*time.Second && stats != nil {
 			if account == (common.Hash{}) {

core/state/snapshot/difflayer.go

@@ -44,7 +44,7 @@ var (
 	// aggregatorItemLimit is an approximate number of items that will end up
 	// in the agregator layer before it's flushed out to disk. A plain account
 	// weighs around 14B (+hash), a storage slot 32B (+hash), a deleted slot
-	// 0B (+hash). Slots are mostly set/unset in lockstep, so thet average at
+	// 0B (+hash). Slots are mostly set/unset in lockstep, so that average at
 	// 16B (+hash). All in all, the average entry seems to be 15+32=47B. Use a
 	// smaller number to be on the safe side.
 	aggregatorItemLimit = aggregatorMemoryLimit / 42
@@ -114,9 +114,9 @@ type diffLayer struct {
 	// deleted, all data in other set belongs to the "new" A.
 	destructSet map[common.Hash]struct{}               // Keyed markers for deleted (and potentially) recreated accounts
 	accountList []common.Hash                          // List of account for iteration. If it exists, it's sorted, otherwise it's nil
-	accountData map[common.Hash][]byte                 // Keyed accounts for direct retrival (nil means deleted)
+	accountData map[common.Hash][]byte                 // Keyed accounts for direct retrieval (nil means deleted)
 	storageList map[common.Hash][]common.Hash          // List of storage slots for iterated retrievals, one per account. Any existing lists are sorted if non-nil
-	storageData map[common.Hash]map[common.Hash][]byte // Keyed storage slots for direct retrival. one per account (nil means deleted)
+	storageData map[common.Hash]map[common.Hash][]byte // Keyed storage slots for direct retrieval. one per account (nil means deleted)
 
 	diffed *bloomfilter.Filter // Bloom filter tracking all the diffed items up to the disk layer
 
@@ -482,7 +482,7 @@ func (dl *diffLayer) flatten() snapshot {
 	}
 }
 
-// AccountList returns a sorted list of all accounts in this difflayer, including
+// AccountList returns a sorted list of all accounts in this diffLayer, including
 // the deleted ones.
 //
 // Note, the returned slice is not a copy, so do not modify it.
@@ -513,7 +513,7 @@ func (dl *diffLayer) AccountList() []common.Hash {
 	return dl.accountList
 }
 
-// StorageList returns a sorted list of all storage slot hashes in this difflayer
+// StorageList returns a sorted list of all storage slot hashes in this diffLayer
 // for the given account. If the whole storage is destructed in this layer, then
 // an additional flag *destructed = true* will be returned, otherwise the flag is
 // false. Besides, the returned list will include the hash of deleted storage slot.

core/state/snapshot/difflayer_test.go

@@ -314,7 +314,7 @@ func BenchmarkSearchSlot(b *testing.B) {
 // With accountList and sorting
 // BenchmarkFlatten-6   	      50	  29890856 ns/op
 //
-// Without sorting and tracking accountlist
+// Without sorting and tracking accountList
 // BenchmarkFlatten-6   	     300	   5511511 ns/op
 func BenchmarkFlatten(b *testing.B) {
 	fill := func(parent snapshot) *diffLayer {

core/state/snapshot/disklayer.go

@@ -31,7 +31,7 @@ import (
 // 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 reconstuction purposes
+	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

core/state/snapshot/disklayer_test.go

@@ -482,7 +482,7 @@ func TestDiskGeneratorPersistence(t *testing.T) {
 	if !bytes.Equal(generator.Marker, genMarker) {
 		t.Fatalf("Generator marker is not matched")
 	}
-	// Test senario 2, the disk layer is fully generated
+	// Test scenario 2, the disk layer is fully generated
 	// Modify or delete some accounts, flatten everything onto disk
 	if err := snaps.Update(diffTwoRoot, diffRoot, nil, map[common.Hash][]byte{
 		accThree: accThree.Bytes(),

core/state/snapshot/iterator.go

@@ -133,7 +133,7 @@ func (it *diffAccountIterator) Hash() common.Hash {
 
 // Account returns the RLP encoded slim account the iterator is currently at.
 // This method may _fail_, if the underlying layer has been flattened between
-// the call to Next and Acccount. That type of error will set it.Err.
+// the call to Next and Account. That type of error will set it.Err.
 // This method assumes that flattening does not delete elements from
 // the accountdata mapping (writing nil into it is fine though), and will panic
 // if elements have been deleted.
@@ -243,7 +243,7 @@ type diffStorageIterator struct {
 }
 
 // StorageIterator creates a storage iterator over a single diff layer.
-// Execept the storage iterator is returned, there is an additional flag
+// Except the storage iterator is returned, there is an additional flag
 // "destructed" returned. If it's true then it means the whole storage is
 // destructed in this layer(maybe recreated too), don't bother deeper layer
 // for storage retrieval.

core/state/snapshot/iterator_binary.go

@@ -37,7 +37,7 @@ type binaryIterator struct {
 }
 
 // initBinaryAccountIterator creates a simplistic iterator to step over all the
-// accounts in a slow, but eaily verifiable way. Note this function is used for
+// accounts in a slow, but easily verifiable way. Note this function is used for
 // initialization, use `newBinaryAccountIterator` as the API.
 func (dl *diffLayer) initBinaryAccountIterator() Iterator {
 	parent, ok := dl.parent.(*diffLayer)
@@ -62,7 +62,7 @@ func (dl *diffLayer) initBinaryAccountIterator() Iterator {
 }
 
 // initBinaryStorageIterator creates a simplistic iterator to step over all the
-// storage slots in a slow, but eaily verifiable way. Note this function is used
+// storage slots in a slow, but easily verifiable way. Note this function is used
 // for initialization, use `newBinaryStorageIterator` as the API.
 func (dl *diffLayer) initBinaryStorageIterator(account common.Hash) Iterator {
 	parent, ok := dl.parent.(*diffLayer)
@@ -199,14 +199,14 @@ func (it *binaryIterator) Release() {
 }
 
 // newBinaryAccountIterator creates a simplistic account iterator to step over
-// all the accounts in a slow, but eaily verifiable way.
+// all the accounts in a slow, but easily verifiable way.
 func (dl *diffLayer) newBinaryAccountIterator() AccountIterator {
 	iter := dl.initBinaryAccountIterator()
 	return iter.(AccountIterator)
 }
 
 // newBinaryStorageIterator creates a simplistic account iterator to step over
-// all the storage slots in a slow, but eaily verifiable way.
+// all the storage slots in a slow, but easily verifiable way.
 func (dl *diffLayer) newBinaryStorageIterator(account common.Hash) StorageIterator {
 	iter := dl.initBinaryStorageIterator(account)
 	return iter.(StorageIterator)

core/state/snapshot/iterator_fast.go

@@ -75,7 +75,7 @@ type fastIterator struct {
 	fail      error
 }
 
-// newFastIterator creates a new hierarhical account or storage iterator with one
+// newFastIterator creates a new hierarchical account or storage iterator with one
 // element per diff layer. The returned combo iterator can be used to walk over
 // the entire snapshot diff stack simultaneously.
 func newFastIterator(tree *Tree, root common.Hash, account common.Hash, seek common.Hash, accountIterator bool) (*fastIterator, error) {
@@ -335,14 +335,14 @@ func (fi *fastIterator) Debug() {
 	fmt.Println()
 }
 
-// newFastAccountIterator creates a new hierarhical account iterator with one
+// newFastAccountIterator creates a new hierarchical account iterator with one
 // element per diff layer. The returned combo iterator can be used to walk over
 // the entire snapshot diff stack simultaneously.
 func newFastAccountIterator(tree *Tree, root common.Hash, seek common.Hash) (AccountIterator, error) {
 	return newFastIterator(tree, root, common.Hash{}, seek, true)
 }
 
-// newFastStorageIterator creates a new hierarhical storage iterator with one
+// newFastStorageIterator creates a new hierarchical storage iterator with one
 // element per diff layer. The returned combo iterator can be used to walk over
 // the entire snapshot diff stack simultaneously.
 func newFastStorageIterator(tree *Tree, root common.Hash, account common.Hash, seek common.Hash) (StorageIterator, error) {

core/state/snapshot/snapshot.go

@@ -368,7 +368,7 @@ func (t *Tree) Cap(root common.Hash, layers int) error {
 // crossed. All diffs beyond the permitted number are flattened downwards. If the
 // layer limit is reached, memory cap is also enforced (but not before).
 //
-// The method returns the new disk layer if diffs were persistend into it.
+// The method returns the new disk layer if diffs were persisted into it.
 func (t *Tree) cap(diff *diffLayer, layers int) *diskLayer {
 	// Dive until we run out of layers or reach the persistent database
 	for ; layers > 2; layers-- {
@@ -647,7 +647,7 @@ func (t *Tree) Rebuild(root common.Hash) {
 			panic(fmt.Sprintf("unknown layer type: %T", layer))
 		}
 	}
-	// Start generating a new snapshot from scratch on a backgroung thread. The
+	// Start generating a new snapshot from scratch on a background thread. The
 	// generator will run a wiper first if there's not one running right now.
 	log.Info("Rebuilding state snapshot")
 	t.layers = map[common.Hash]snapshot{

trie/database.go

@@ -736,7 +736,7 @@ func (db *Database) Commit(node common.Hash, report bool, callback func(common.H
 	batch.Replay(uncacher)
 	batch.Reset()
 
-	// Reset the storage counters and bumpd metrics
+	// Reset the storage counters and bumped metrics
 	if db.preimages != nil {
 		db.preimages, db.preimagesSize = make(map[common.Hash][]byte), 0
 	}