Add Flags To Dev Mode (#12152)

Co-authored-by: terencechain <terence@prysmaticlabs.com>

config/features/config.go

@@ -202,8 +202,8 @@ func ConfigureBeaconChain(ctx *cli.Context) error {
 		logEnabled(enableVerboseSigVerification)
 		cfg.EnableVerboseSigVerification = true
 	}
-	if ctx.IsSet(EnableOptionalEngineMethods.Name) {
-		logEnabled(EnableOptionalEngineMethods)
+	if ctx.IsSet(enableOptionalEngineMethods.Name) {
+		logEnabled(enableOptionalEngineMethods)
 		cfg.EnableOptionalEngineMethods = true
 	}
 	Init(cfg)

config/features/flags.go

@@ -110,14 +110,17 @@ var (
 		Name:  "enable-verbose-sig-verification",
 		Usage: "Enables identifying invalid signatures if batch verification fails when processing block",
 	}
-	EnableOptionalEngineMethods = &cli.BoolFlag{
+	enableOptionalEngineMethods = &cli.BoolFlag{
 		Name:  "enable-optional-engine-methods",
 		Usage: "Enables the optional engine methods",
 	}
 )
 
 // devModeFlags holds list of flags that are set when development mode is on.
-var devModeFlags = []cli.Flag{}
+var devModeFlags = []cli.Flag{
+	enableVerboseSigVerification,
+	enableOptionalEngineMethods,
+}
 
 // ValidatorFlags contains a list of all the feature flags that apply to the validator client.
 var ValidatorFlags = append(deprecatedFlags, []cli.Flag{
@@ -155,7 +158,7 @@ var BeaconChainFlags = append(deprecatedBeaconFlags, append(deprecatedFlags, []c
 	enableStartupOptimistic,
 	enableFullSSZDataLogging,
 	enableVerboseSigVerification,
-	EnableOptionalEngineMethods,
+	enableOptionalEngineMethods,
 }...)...)
 
 // E2EBeaconChainFlags contains a list of the beacon chain feature flags to be tested in E2E.