fix: resolved comments

pkg/plugin/implementation/schemavalidator/schemavalidator.go

@@ -105,16 +105,13 @@ func (v *schemaValidator) Validate(ctx context.Context, url *url.URL, data []byt
 			// Return the array of schema validation errors
 			return &model.SchemaValidationErr{Errors: schemaErrors}
 		}
-		return model.NewBadReqErr(fmt.Errorf("validation failed: %v", err))
+		return fmt.Errorf("validation failed: %v", err)
 	}
 
 	// Return nil if validation succeeds
 	return nil
 }
 
-// ValidatorProvider provides instances of Validator.
-type ValidatorProvider struct{}
-
 // Initialise initialises the validator provider by compiling all the JSON schema files
 // from the specified directory and storing them in a cache indexed by their schema filenames.
 func (v *schemaValidator) initialise() error {

pkg/plugin/implementation/signvalidator/signvalidator.go

@@ -33,7 +33,7 @@ func New(ctx context.Context, config *Config) (*validator, func() error, error)
 func (v *validator) Validate(ctx context.Context, body []byte, header string, publicKeyBase64 string) error {
 	createdTimestamp, expiredTimestamp, signature, err := parseAuthHeader(header)
 	if err != nil {
-		return model.NewBadReqErr(fmt.Errorf("error parsing header: %w", err))
+		return model.NewSignValidationErr(fmt.Errorf("error parsing header: %w", err))
 	}
 
 	signatureBytes, err := base64.StdEncoding.DecodeString(signature)
@@ -53,7 +53,7 @@ func (v *validator) Validate(ctx context.Context, body []byte, header string, pu
 
 	decodedPublicKey, err := base64.StdEncoding.DecodeString(publicKeyBase64)
 	if err != nil {
-		return model.NewBadReqErr(fmt.Errorf("error decoding public key: %w", err))
+		return model.NewSignValidationErr(fmt.Errorf("error decoding public key: %w", err))
 	}
 
 	if !ed25519.Verify(ed25519.PublicKey(decodedPublicKey), []byte(signingString), signatureBytes) {