Fix typos across multiple files

accounts/abi/event.go

@@ -29,7 +29,7 @@ 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

@@ -24,7 +24,7 @@ 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

@@ -25,7 +25,7 @@ import (
 	"github.com/ethereum/go-ethereum/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
 

cmd/checkpoint-admin/exec.go

@@ -247,7 +247,7 @@ func ecrecover(sighash []byte, sig []byte) common.Address {
 }
 
 // publish registers the specified checkpoint which generated by connected node
-// with a authorised private key.
+// with an authorised private key.
 func publish(ctx *cli.Context) error {
 	// Print the checkpoint oracle's current status to make sure we're interacting
 	// with the correct network and contract.

consensus/istanbul/common/errors.go

@@ -29,7 +29,7 @@ var (
 	// ErrInvalidNonce is returned if a block's nonce is invalid
 	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")
 
 	// ErrInconsistentValidatorSet is returned if the validator set is inconsistent

consensus/istanbul/ibft/engine/engine.go

@@ -462,7 +462,7 @@ func sigHash(header *types.Header) (hash common.Hash) {
 	return hash
 }
 
-// prepareExtra returns a extra-data of the given header and validators
+// prepareExtra returns an extra-data of the given header and validators
 func prepareExtra(header *types.Header, vals []common.Address) ([]byte, error) {
 	var buf bytes.Buffer
 

core/state/iterator.go

@@ -43,7 +43,7 @@ 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,

core/state/snapshot/iterator_fast.go

@@ -24,7 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
-// weightedIterator is a iterator with an assigned weight. It is used to prioritise
+// weightedIterator is an iterator with an assigned weight. It is used to prioritise
 // which account or storage slot is the correct one if multiple iterators find the
 // same one (modified in multiple consecutive blocks).
 type weightedIterator struct {

core/vm/contract.go

@@ -37,7 +37,7 @@ type ContractRef interface {
 // is a ContractRef.
 type AccountRef common.Address
 
-// Address casts AccountRef to a Address
+// Address casts AccountRef to an Address
 func (ar AccountRef) Address() common.Address { return (common.Address)(ar) }
 
 // Contract represents an ethereum contract in the state database. It contains

eth/protocols/snap/protocol.go

@@ -113,7 +113,7 @@ func (p *AccountRangePacket) Unpack() ([]common.Hash, [][]byte, error) {
 	return hashes, accounts, nil
 }
 
-// GetStorageRangesPacket represents an storage slot query.
+// GetStorageRangesPacket represents a storage slot query.
 type GetStorageRangesPacket struct {
 	ID       uint64        // Request ID to match up responses with
 	Root     common.Hash   // Root hash of the account trie to serve

extension/extension_utilities.go

@@ -8,7 +8,7 @@ import (
 
 // generateUuid sends some data to the linked Private Transaction Manager which
 // uses a randomly generated key to encrypt the data and then hash it this
-// means we get a effectively random hash, whilst also having a reference
+// means we get an effectively random hash, whilst also having a reference
 // transaction inside the PTM
 func generateUuid(contractAddress common.Address, privateFrom string, privateFor []string, ptm private.PrivateTransactionManager) (string, error) {
 	// to ensure recoverability , the UUID generation logic is as below:

miner/unconfirmed.go

@@ -36,7 +36,7 @@ type chainRetriever interface {
 }
 
 // unconfirmedBlock is a small collection of metadata about a locally mined block
-// that is placed into a unconfirmed set for canonical chain inclusion tracking.
+// that is placed into an unconfirmed set for canonical chain inclusion tracking.
 type unconfirmedBlock struct {
 	index uint64
 	hash  common.Hash