Fix article usage in code comments and documentation (#13195)

This pull request corrects the use of articles in multiple code files,
specifically replacing the incorrect "a" with "an" and vice versa in
places where the next word starts with a vowel sound or a consonant
sound.

These changes improve the clarity and grammatical accuracy of comments
and documentation.

accounts/abi/event.go

@@ -32,7 +32,7 @@ import (
 // don't get the signature canonical representation as the first LOG topic.
 type Event struct {
 	// Name is the event name used for internal representation. It's derived from
-	// the raw name and a suffix will be added in the case of a event overload.
+	// the raw name and a suffix will be added in the case of an event overload.
 	//
 	// e.g.
 	// These are two events that have the same name:

accounts/abi/reflect.go

@@ -27,7 +27,7 @@ import (
 	"strings"
 )
 
-// ConvertType converts an interface of a runtime type into a interface of the
+// ConvertType converts an interface of a runtime type into an interface of the
 // given type
 // e.g. turn
 // var fields []reflect.StructField

accounts/abi/type_test.go

@@ -28,7 +28,7 @@ import (
 	libcommon "github.com/erigontech/erigon-lib/common"
 )
 
-// typeWithoutStringer is a alias for the Type type which simply doesn't implement
+// typeWithoutStringer is an alias for the Type type which simply doesn't implement
 // the stringer interface to allow printing type details in the tests below.
 type typeWithoutStringer Type
 

cl/cltypes/block_production.go

@@ -25,7 +25,7 @@ import (
 )
 
 // BlindOrExecutionBeaconBlock is a union type that can be either a BlindedBeaconBlock or a BeaconBlock, depending on the context.
-// It's a intermediate type used in the block production process.
+// It's an intermediate type used in the block production process.
 type BlindOrExecutionBeaconBlock struct {
 	Slot          uint64         `json:"-"`
 	ProposerIndex uint64         `json:"-"`

cmd/erigoncustom/main.go

@@ -61,7 +61,7 @@ func runErigon(ctx *cli.Context) error {
 	//err := eri.Serve()
 
 	//if err != nil {
-	//	log.Error("error while serving a Erigon node", "err", err)
+	//	log.Error("error while serving an Erigon node", "err", err)
 	//  return err
 	//}
 	return nil

consensus/aura/config.go

@@ -30,7 +30,7 @@ import (
 	"github.com/erigontech/erigon/consensus"
 )
 
-// Draws an validator nonce modulo number of validators.
+// Draws a validator nonce modulo number of validators.
 func GetFromValidatorSet(set ValidatorSet, parent libcommon.Hash, nonce uint, call consensus.Call) (libcommon.Address, error) {
 	//d, err := set.defaultCaller(parent)
 	//if err != nil {

consensus/merge/merge.go

@@ -52,7 +52,7 @@ var (
 	// errInvalidNonce is returned if the nonce is non-zero.
 	errInvalidNonce = errors.New("invalid nonce")
 
-	// 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")
 
 	errOlderBlockTime = errors.New("timestamp older than parent")

turbo/node/node.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with Erigon. If not, see <http://www.gnu.org/licenses/>.
 
-// Package node contains classes for running a Erigon node.
+// Package node contains classes for running an Erigon node.
 package node
 
 import (