validator client: adding in get duties v2 (#15380)

* adding in get duties v2

* gaz

* missed definition

* removing comment

* updating description

config/features/config.go

@@ -50,6 +50,7 @@ type Flags struct {
 	EnableHistoricalSpaceRepresentation bool // EnableHistoricalSpaceRepresentation enables the saving of registry validators in separate buckets to save space
 	EnableBeaconRESTApi                 bool // EnableBeaconRESTApi enables experimental usage of the beacon REST API by the validator when querying a beacon node
 	EnableExperimentalAttestationPool   bool // EnableExperimentalAttestationPool enables an experimental attestation pool design.
+	EnableDutiesV2                      bool // EnableDutiesV2 sets validator client to use the get Duties V2 endpoint
 	// Logging related toggles.
 	DisableGRPCConnectionLogs bool // Disables logging when a new grpc client has connected.
 	EnableFullSSZDataLogging  bool // Enables logging for full ssz data on rejected gossip messages
@@ -334,6 +335,10 @@ func ConfigureValidator(ctx *cli.Context) error {
 		logEnabled(EnableBeaconRESTApi)
 		cfg.EnableBeaconRESTApi = true
 	}
+	if ctx.Bool(EnableDutiesV2.Name) {
+		logEnabled(EnableDutiesV2)
+		cfg.EnableDutiesV2 = true
+	}
 	cfg.KeystoreImportDebounceInterval = ctx.Duration(dynamicKeyReloadDebounceInterval.Name)
 	Init(cfg)
 	return nil

config/features/flags.go

@@ -188,6 +188,12 @@ var (
 		Name:  "blacklist-roots",
 		Usage: "A comma-separatted list of 0x-prefixed hexstrings. Declares blocks with the given blockroots to be invalid. It downscores peers that send these blocks.",
 	}
+
+	// EnableDutiesV2 sets the validator client to use the get duties v2 grpc endpoint
+	EnableDutiesV2 = &cli.BoolFlag{
+		Name:  "enable-duties-v2",
+		Usage: "Forces use of get duties v2 endpoint.",
+	}
 )
 
 // devModeFlags holds list of flags that are set when development mode is on.
@@ -208,6 +214,7 @@ var ValidatorFlags = append(deprecatedFlags, []cli.Flag{
 	EnableMinimalSlashingProtection,
 	enableDoppelGangerProtection,
 	EnableBeaconRESTApi,
+	EnableDutiesV2,
 }...)
 
 // E2EValidatorFlags contains a list of the validator feature flags to be tested in E2E.