core, eth: typos and some code formatting (#28201)

* fix: typo

* feat: revert symbol name

eth/catalyst/api.go

@@ -560,7 +560,7 @@ func (api *ConsensusAPI) newPayload(params engine.ExecutableData, versionedHashe
 		log.Warn("Invalid timestamp", "parent", block.Time(), "block", block.Time())
 		return api.invalid(errors.New("invalid timestamp"), parent.Header()), nil
 	}
-	// Another cornercase: if the node is in snap sync mode, but the CL client
+	// Another corner case: if the node is in snap sync mode, but the CL client
 	// tries to make it import a block. That should be denied as pushing something
 	// into the database directly will conflict with the assumptions of snap sync
 	// that it has an empty db that it can fill itself.
@@ -776,7 +776,7 @@ func (api *ConsensusAPI) ExchangeCapabilities([]string) []string {
 // GetPayloadBodiesByHashV1 implements engine_getPayloadBodiesByHashV1 which allows for retrieval of a list
 // of block bodies by the engine api.
 func (api *ConsensusAPI) GetPayloadBodiesByHashV1(hashes []common.Hash) []*engine.ExecutionPayloadBodyV1 {
-	var bodies = make([]*engine.ExecutionPayloadBodyV1, len(hashes))
+	bodies := make([]*engine.ExecutionPayloadBodyV1, len(hashes))
 	for i, hash := range hashes {
 		block := api.eth.BlockChain().GetBlockByHash(hash)
 		bodies[i] = getBody(block)

eth/handler.go

@@ -55,9 +55,7 @@ const (
 	txMaxBroadcastSize = 4096
 )
 
-var (
-	syncChallengeTimeout = 15 * time.Second // Time allowance for a node to reply to the sync progress challenge
-)
+var syncChallengeTimeout = 15 * time.Second // Time allowance for a node to reply to the sync progress challenge
 
 // txPool defines the methods needed from a transaction pool implementation to
 // support all the operations needed by the Ethereum chain protocols.
@@ -89,7 +87,7 @@ type handlerConfig struct {
 	Chain          *core.BlockChain       // Blockchain to serve data from
 	TxPool         txPool                 // Transaction pool to propagate from
 	Merger         *consensus.Merger      // The manager for eth1/2 transition
-	Network        uint64                 // Network identifier to adfvertise
+	Network        uint64                 // Network identifier to advertise
 	Sync           downloader.SyncMode    // Whether to snap or full sync
 	BloomCache     uint64                 // Megabytes to alloc for snap sync bloom
 	EventMux       *event.TypeMux         // Legacy event mux, deprecate for `feed`
@@ -255,7 +253,7 @@ func newHandler(config *handlerConfig) (*handler, error) {
 				}
 				td := new(big.Int).Add(ptd, block.Difficulty())
 				if !h.chain.Config().IsTerminalPoWBlock(ptd, td) {
-					log.Info("Filtered out non-termimal pow block", "number", block.NumberU64(), "hash", block.Hash())
+					log.Info("Filtered out non-terminal pow block", "number", block.NumberU64(), "hash", block.Hash())
 					return 0, nil
 				}
 				if err := h.chain.InsertBlockWithoutSetHead(block); err != nil {