improve: use errors.New to replace fmt.Errorf with no parameters

driver/state/l1_current.go

@@ -2,7 +2,7 @@ package state
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -29,7 +29,7 @@ func (s *State) SetL1Current(h *types.Header) {
 // BlockProposed event with given blockID / blockHash.
 func (s *State) ResetL1Current(ctx context.Context, blockID *big.Int) error {
 	if blockID == nil {
-		return fmt.Errorf("empty block ID")
+		return errors.New("empty block ID")
 	}
 
 	log.Info("Reset L1 current cursor", "blockID", blockID)

pkg/rpc/engine.go

@@ -2,7 +2,7 @@ package rpc
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/beacon/engine"
@@ -22,7 +22,7 @@ type EngineClient struct {
 func NewJWTEngineClient(url, jwtSecret string) (*EngineClient, error) {
 	var jwt = StringToBytes32(jwtSecret)
 	if jwt == (common.Hash{}) || url == "" {
-		return nil, fmt.Errorf("url is empty or jwt secret is illegal")
+		return nil, errors.New("url is empty or jwt secret is illegal")
 	}
 	authClient, err := rpc.DialOptions(context.Background(), url, rpc.WithHTTPAuth(node.NewJWTAuth(jwt)))
 	if err != nil {

pkg/rpc/methods.go

@@ -638,31 +638,31 @@ func (c *Client) getSyncedL1SnippetFromAnchor(
 			common.Hash{},
 			0,
 			0,
-			fmt.Errorf("failed to parse l1BlockHash from anchor transaction calldata")
+			errors.New("failed to parse l1BlockHash from anchor transaction calldata")
 	}
 	l1StateRoot, ok = args["_l1StateRoot"].([32]byte)
 	if !ok {
 		return common.Hash{},
 			common.Hash{},
 			0,
 			0,
-			fmt.Errorf("failed to parse l1StateRoot from anchor transaction calldata")
+			errors.New("failed to parse l1StateRoot from anchor transaction calldata")
 	}
 	l1Height, ok = args["_l1BlockId"].(uint64)
 	if !ok {
 		return common.Hash{},
 			common.Hash{},
 			0,
 			0,
-			fmt.Errorf("failed to parse l1Height from anchor transaction calldata")
+			errors.New("failed to parse l1Height from anchor transaction calldata")
 	}
 	parentGasUsed, ok = args["_parentGasUsed"].(uint32)
 	if !ok {
 		return common.Hash{},
 			common.Hash{},
 			0,
 			0,
-			fmt.Errorf("failed to parse parentGasUsed from anchor transaction calldata")
+			errors.New("failed to parse parentGasUsed from anchor transaction calldata")
 	}
 
 	return l1BlockHash, l1StateRoot, l1Height, parentGasUsed, nil

prover/config.go

@@ -120,7 +120,7 @@ func NewConfigFromCliContext(c *cli.Context) (*Config, error) {
 
 	// If we are not running a guardian prover, a raiko host endpoint is required.
 	if !c.IsSet(flags.GuardianProver.Name) && !c.IsSet(flags.RaikoHostEndpoint.Name) {
-		return nil, fmt.Errorf("raiko host not provided")
+		return nil, errors.New("raiko host not provided")
 	}
 
 	var (