feat(taiko-client): remove an unused package (#18668)

packages/taiko-client/pkg/rpc/engine.go

@@ -19,6 +19,7 @@ type EngineClient struct {
 	*rpc.Client
 }
 
+// NewJWTEngineClient creates a new EngineClient with JWT authentication.
 func NewJWTEngineClient(url, jwtSecret string) (*EngineClient, error) {
 	var jwt = StringToBytes32(jwtSecret)
 	if jwt == (common.Hash{}) || url == "" {

packages/taiko-client/pkg/rpc/ethclient.go

@@ -485,7 +485,7 @@ type SignTransactionResult struct {
 	Tx  *types.Transaction `json:"tx"`
 }
 
-// FillTransaction fill transaction.
+// FillTransaction fills in the missing fields of a transaction and signs it.
 func (c *EthClient) FillTransaction(ctx context.Context, args *TransactionArgs) (*types.Transaction, error) {
 	ctxWithTimeout, cancel := CtxWithTimeoutOrDefault(ctx, c.timeout)
 	defer cancel()

packages/taiko-client/pkg/utils/utils.go

@@ -69,14 +69,6 @@ func Min[T constraints.Integer](a, b T) T {
 	return b
 }
 
-// Max return the maximum value of two integers.
-func Max[T constraints.Integer](a, b T) T {
-	if a > b {
-		return a
-	}
-	return b
-}
-
 // Compress compresses the given txList bytes using zlib.
 func Compress(txList []byte) ([]byte, error) {
 	var b bytes.Buffer

packages/taiko-client/proposer/proposer.go

@@ -293,6 +293,7 @@ func (p *Proposer) ProposeOp(ctx context.Context) error {
 		"lastProposedAt", p.lastProposedAt,
 	)
 
+	// Fetch pending L2 transactions from mempool.
 	txLists, err := p.fetchPoolContent(filterPoolContent)
 	if err != nil {
 		return err