all: fix bad usage of an and replace with a

Author: qdm12

accounts/abi/bind/template.go

@@ -114,7 +114,7 @@ var (
 
 {{$structs := .Structs}}
 {{range $structs}}
-	// {{.Name}} is an auto generated low-level Go binding around an user-defined struct.
+	// {{.Name}} is an auto generated low-level Go binding around a user-defined struct.
 	type {{.Name}} struct {
 	{{range $field := .Fields}}
 	{{$field.Name}} {{$field.Type}}{{end}}

accounts/usbwallet/wallet.go

@@ -442,7 +442,7 @@ func (w *wallet) selfDerive() {
 
 // Contains implements accounts.Wallet, returning whether a particular account is
 // or is not pinned into this wallet instance. Although we could attempt to resolve
-// unpinned accounts, that would be an non-negligible hardware operation.
+// unpinned accounts, that would be a non-negligible hardware operation.
 func (w *wallet) Contains(account accounts.Account) bool {
 	w.stateLock.RLock()
 	defer w.stateLock.RUnlock()

beacon/types/header.go

@@ -65,7 +65,7 @@ type headerMarshaling struct {
 
 // Hash calculates the block root of the header.
 //
-// TODO(zsfelfoldi): Remove this when an SSZ encoder lands.
+// TODO(zsfelfoldi): Remove this when a SSZ encoder lands.
 func (h *Header) Hash() common.Hash {
 	var values [16]merkle.Value // values corresponding to indices 8 to 15 of the beacon header tree
 	binary.LittleEndian.PutUint64(values[headerIndexSlot][:8], h.Slot)

cmd/clef/main.go

@@ -129,7 +129,7 @@ var (
 	stdiouiFlag = &cli.BoolFlag{
 		Name: "stdio-ui",
 		Usage: "Use STDIN/STDOUT as a channel for an external UI. " +
-			"This means that an STDIN/STDOUT is used for RPC-communication with a e.g. a graphical user " +
+			"This means that a STDIN/STDOUT is used for RPC-communication with a e.g. a graphical user " +
 			"interface, and can be used when Clef is started by an external process.",
 	}
 	testFlag = &cli.BoolFlag{

cmd/evm/internal/t8ntool/tracewriter.go

@@ -27,7 +27,7 @@ import (
 	"github.com/ava-labs/libevm/log"
 )
 
-// traceWriter is an vm.EVMLogger which also holds an inner logger/tracer.
+// traceWriter is a vm.EVMLogger which also holds an inner logger/tracer.
 // When the TxEnd event happens, the inner tracer result is written to the file, and
 // the file is closed.
 type traceWriter struct {

common/lru/lru.go

@@ -25,7 +25,7 @@ type Cache[K comparable, V any] struct {
 	mu    sync.Mutex
 }
 
-// NewCache creates an LRU cache.
+// NewCache creates a LRU cache.
 func NewCache[K comparable, V any](capacity int) *Cache[K, V] {
 	return &Cache[K, V]{cache: NewBasicLRU[K, V](capacity)}
 }

consensus/clique/clique.go

@@ -114,7 +114,7 @@ var (
 	// errInvalidMixDigest is returned if a block's mix digest is non-zero.
 	errInvalidMixDigest = errors.New("non-zero mix digest")
 
-	// errInvalidUncleHash is returned if a block contains an non-empty uncle list.
+	// errInvalidUncleHash is returned if a block contains a non-empty uncle list.
 	errInvalidUncleHash = errors.New("non empty uncle hash")
 
 	// errInvalidDifficulty is returned if the difficulty of a block neither 1 or 2.

core/rawdb/accessors_snapshot.go

@@ -92,20 +92,20 @@ func DeleteAccountSnapshot(db ethdb.KeyValueWriter, hash common.Hash) {
 	}
 }
 
-// ReadStorageSnapshot retrieves the snapshot entry of an storage trie leaf.
+// ReadStorageSnapshot retrieves the snapshot entry of a storage trie leaf.
 func ReadStorageSnapshot(db ethdb.KeyValueReader, accountHash, storageHash common.Hash) []byte {
 	data, _ := db.Get(storageSnapshotKey(accountHash, storageHash))
 	return data
 }
 
-// WriteStorageSnapshot stores the snapshot entry of an storage trie leaf.
+// WriteStorageSnapshot stores the snapshot entry of a storage trie leaf.
 func WriteStorageSnapshot(db ethdb.KeyValueWriter, accountHash, storageHash common.Hash, entry []byte) {
 	if err := db.Put(storageSnapshotKey(accountHash, storageHash), entry); err != nil {
 		log.Crit("Failed to store storage snapshot", "err", err)
 	}
 }
 
-// DeleteStorageSnapshot removes the snapshot entry of an storage trie leaf.
+// DeleteStorageSnapshot removes the snapshot entry of a storage trie leaf.
 func DeleteStorageSnapshot(db ethdb.KeyValueWriter, accountHash, storageHash common.Hash) {
 	if err := db.Delete(storageSnapshotKey(accountHash, storageHash)); err != nil {
 		log.Crit("Failed to delete storage snapshot", "err", err)

core/rawdb/freezer_table.go

@@ -239,7 +239,7 @@ func (t *freezerTable) repair() error {
 	firstIndex.unmarshalBinary(buffer)
 
 	// Assign the tail fields with the first stored index.
-	// The total removed items is represented with an uint32,
+	// The total removed items is represented with a uint32,
 	// which is not enough in theory but enough in practice.
 	// TODO: use uint64 to represent total removed items.
 	t.tailId = firstIndex.filenum

core/state/iterator.go

@@ -46,7 +46,7 @@ type nodeIterator struct {
 	Error error // Failure set in case of an internal error in the iterator
 }
 
-// newNodeIterator creates an post-order state node iterator.
+// newNodeIterator creates a post-order state node iterator.
 func newNodeIterator(state *StateDB) *nodeIterator {
 	return &nodeIterator{
 		state: state,