all: fix bad usage of a and replace with an

Author: qdm12

accounts/abi/abi_test.go

@@ -1059,7 +1059,7 @@ func TestABI_EventById(t *testing.T) {
 			t.Fatalf("Failed to look up ABI method: %v, test #%d", err, testnum)
 		}
 		if event == nil {
-			t.Errorf("We should find a event for topic %s, test #%d", topicID.Hex(), testnum)
+			t.Errorf("We should find an event for topic %s, test #%d", topicID.Hex(), testnum)
 		} else if event.ID != topicID {
 			t.Errorf("Event id %s does not match topic %s, test #%d", event.ID.Hex(), topicID.Hex(), testnum)
 		}

accounts/keystore/keystore.go

@@ -258,7 +258,7 @@ func (ks *KeyStore) Delete(a accounts.Account, passphrase string) error {
 	return err
 }
 
-// SignHash calculates a ECDSA signature for the given hash. The produced
+// SignHash calculates an ECDSA signature for the given hash. The produced
 // signature is in the [R || S || V] format where V is 0 or 1.
 func (ks *KeyStore) SignHash(a accounts.Account, hash []byte) ([]byte, error) {
 	// Look up the key to sign with and abort if it cannot be found

cmd/utils/flags.go

@@ -544,7 +544,7 @@ var (
 	// Logging and debug settings
 	EthStatsURLFlag = &cli.StringFlag{
 		Name:     "ethstats",
-		Usage:    "Reporting URL of a ethstats service (nodename:secret@host:port)",
+		Usage:    "Reporting URL of an ethstats service (nodename:secret@host:port)",
 		Category: flags.MetricsCategory,
 	}
 	NoCompactionFlag = &cli.BoolFlag{

consensus/clique/api.go

@@ -205,7 +205,7 @@ func (sb *blockNumberOrHashOrRLP) UnmarshalJSON(data []byte) error {
 }
 
 // GetSigner returns the signer for a specific clique block.
-// Can be called with a block number, a block hash or a rlp encoded blob.
+// Can be called with a block number, a block hash or an rlp encoded blob.
 // The RLP encoded blob can either be a block or a header.
 func (api *API) GetSigner(rlpOrBlockNr *blockNumberOrHashOrRLP) (common.Address, error) {
 	if len(rlpOrBlockNr.RLP) == 0 {

consensus/ethash/ethash.go

@@ -40,7 +40,7 @@ func NewFaker() *Ethash {
 	return new(Ethash)
 }
 
-// NewFakeFailer creates a ethash consensus engine with a fake PoW scheme that
+// NewFakeFailer creates an ethash consensus engine with a fake PoW scheme that
 // accepts all blocks as valid apart from the single one specified, though they
 // still have to conform to the Ethereum consensus rules.
 func NewFakeFailer(fail uint64) *Ethash {
@@ -49,7 +49,7 @@ func NewFakeFailer(fail uint64) *Ethash {
 	}
 }
 
-// NewFakeDelayer creates a ethash consensus engine with a fake PoW scheme that
+// NewFakeDelayer creates an ethash consensus engine with a fake PoW scheme that
 // accepts all blocks as valid, but delays verifications by some time, though
 // they still have to conform to the Ethereum consensus rules.
 func NewFakeDelayer(delay time.Duration) *Ethash {

core/rlp_test.go

@@ -133,7 +133,7 @@ func testRlpIterator(t *testing.T, txs, uncles, datasize int) {
 	}
 }
 
-// BenchmarkHashing compares the speeds of hashing a rlp raw data directly
+// BenchmarkHashing compares the speeds of hashing an rlp raw data directly
 // without the unmarshalling/marshalling step
 func BenchmarkHashing(b *testing.B) {
 	// Make a pretty fat block

core/state/database.go

@@ -20,7 +20,6 @@ import (
 	"errors"
 	"fmt"
 
-	"github.com/crate-crypto/go-ipa/banderwagon"
 	"github.com/ava-labs/libevm/common"
 	"github.com/ava-labs/libevm/common/lru"
 	"github.com/ava-labs/libevm/core/rawdb"
@@ -31,6 +30,7 @@ import (
 	"github.com/ava-labs/libevm/trie/trienode"
 	"github.com/ava-labs/libevm/trie/utils"
 	"github.com/ava-labs/libevm/triedb"
+	"github.com/crate-crypto/go-ipa/banderwagon"
 )
 
 const (
@@ -71,7 +71,7 @@ type Database interface {
 	TrieDB() *triedb.Database
 }
 
-// Trie is a Ethereum Merkle Patricia trie.
+// Trie is an Ethereum Merkle Patricia trie.
 type Trie interface {
 	// GetKey returns the sha3 preimage of a hashed key that was previously used
 	// to store a value.

core/state/snapshot/snapshot.go

@@ -863,7 +863,7 @@ func (t *Tree) generating() (bool, error) {
 	return layer.genMarker != nil, nil
 }
 
-// DiskRoot is a external helper function to return the disk layer root.
+// DiskRoot is an external helper function to return the disk layer root.
 func (t *Tree) DiskRoot() common.Hash {
 	t.lock.Lock()
 	defer t.lock.Unlock()

internal/ethapi/api.go

@@ -1857,7 +1857,7 @@ func (s *TransactionAPI) Sign(addr common.Address, data hexutil.Bytes) (hexutil.
 	return signature, err
 }
 
-// SignTransactionResult represents a RLP encoded signed transaction.
+// SignTransactionResult represents an RLP encoded signed transaction.
 type SignTransactionResult struct {
 	Raw hexutil.Bytes      `json:"raw"`
 	Tx  *types.Transaction `json:"tx"`

metrics/opentsdb.go

@@ -37,7 +37,7 @@ func OpenTSDB(r Registry, d time.Duration, prefix string, addr *net.TCPAddr) {
 }
 
 // OpenTSDBWithConfig is a blocking exporter function just like OpenTSDB,
-// but it takes a OpenTSDBConfig instead.
+// but it takes an OpenTSDBConfig instead.
 func OpenTSDBWithConfig(c OpenTSDBConfig) {
 	for range time.Tick(c.FlushInterval) {
 		if err := openTSDB(&c); nil != err {

p2p/util_test.go

@@ -48,7 +48,7 @@ func TestExpHeap(t *testing.T) {
 		t.Fatal("wrong nextExpiry")
 	}
 	if h.contains("a") {
-		t.Fatal("heap contains a even though it has already expired")
+		t.Fatal("heap contains an even though it has already expired")
 	}
 	if !h.contains("b") || !h.contains("c") {
 		t.Fatal("heap doesn't contain all live items")

signer/core/gnosis_safe.go

@@ -50,7 +50,7 @@ type GnosisSafeTx struct {
 	ChainId        *math.HexOrDecimal256   `json:"chainId,omitempty"`
 }
 
-// ToTypedData converts the tx to a EIP-712 Typed Data structure for signing
+// ToTypedData converts the tx to an EIP-712 Typed Data structure for signing
 func (tx *GnosisSafeTx) ToTypedData() apitypes.TypedData {
 	var data hexutil.Bytes
 	if tx.Data != nil {