feat: generate vrf key in create-validator-vrf cli

cmd/seda-chaind/gentx/gentx.go

@@ -56,12 +56,13 @@ func GenTxCmd(mbm module.BasicManager, txEncCfg client.TxEncodingConfig, genBalI
 
 	cmd := &cobra.Command{
 		Use:   "gentx [key_name] [amount]",
-		Short: "Generate a genesis tx carrying a self delegation",
+		Short: "Generate a genesis tx carrying a self delegation and VRF public key",
 		Args:  cobra.ExactArgs(2),
-		Long: fmt.Sprintf(`Generate a genesis transaction that creates a validator with a self-delegation,
-that is signed by the key in the Keyring referenced by a given name. A node ID and consensus
-pubkey may optionally be provided. If they are omitted, they will be retrieved from the priv_validator.json
-file. The following default parameters are included:
+		Long: fmt.Sprintf(`Generate a genesis transaction that creates a validator with a self-delegation and
+VRF public key. The transaction is signed by the key in the Keyring referenced by a given name. A VRF key pair 
+is generated and stored in the configuration directory during the process. A node ID and consensus pubkey may 
+optionally be provided. If they are omitted, they will be retrieved from the priv_validator.json file. 
+The following default parameters are included:
     %s
 
 Example:

x/staking/client/cli/tx.go

@@ -8,19 +8,22 @@ import (
 	flag "github.com/spf13/pflag"
 
 	"cosmossdk.io/core/address"
+	"cosmossdk.io/errors"
 	errorsmod "cosmossdk.io/errors"
 	"cosmossdk.io/math"
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/client/tx"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
+	"github.com/cosmos/cosmos-sdk/server"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	"github.com/cosmos/cosmos-sdk/version"
 	stakingcli "github.com/cosmos/cosmos-sdk/x/staking/client/cli"
 	"github.com/cosmos/cosmos-sdk/x/staking/types"
 
+	"github.com/sedaprotocol/seda-chain/app/utils"
 	customtypes "github.com/sedaprotocol/seda-chain/x/staking/types"
 )
 
@@ -74,10 +77,6 @@ Where validator.json contains:
 		"@type":"/cosmos.crypto.ed25519.PubKey",
 		"key":"oWg2ISpLF405Jcm2vXV+2v4fnjodh6aafuIdeoW+rUw="
 	},
-	"vrf_pubkey": {
-		"type": "tendermint/PubKeySecp256k1",
-		"value": "At4W/CxKrv8C6HqLFC9ybTPSJgtAkWvF2+Uj4hQLiJcM"
-	},
 	"amount": "1000000stake",
 	"moniker": "myvalidator",
 	"identity": "optional identity signature (ex. UPort or Keybase)",
@@ -93,6 +92,7 @@ Where validator.json contains:
 where we can get the pubkey using "%s tendermint show-validator"
 `, version.AppName, version.AppName)),
 		RunE: func(cmd *cobra.Command, args []string) error {
+			serverCtx := server.GetServerContextFromCmd(cmd)
 			clientCtx, err := client.GetClientTxContext(cmd)
 			if err != nil {
 				return err
@@ -108,6 +108,11 @@ where we can get the pubkey using "%s tendermint show-validator"
 				return err
 			}
 
+			validator.VRFPubKey, err = utils.InitializeVRFKey(serverCtx.Config)
+			if err != nil {
+				return errors.Wrap(err, "failed to initialize VRF key")
+			}
+
 			txf, msg, err := newBuildCreateValidatorWithVRFMsg(clientCtx, txf, cmd.Flags(), validator, ac)
 			if err != nil {
 				return err

x/staking/client/cli/utils.go

@@ -9,10 +9,7 @@ import (
 	errorsmod "cosmossdk.io/errors"
 	"cosmossdk.io/math"
 
-	"github.com/cometbft/cometbft/crypto"
-	cmtjson "github.com/cometbft/cometbft/libs/json"
 	"github.com/cosmos/cosmos-sdk/codec"
-	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
@@ -76,20 +73,6 @@ func parseAndValidateValidatorJSON(cdc codec.Codec, path string) (validator, err
 		return validator{}, err
 	}
 
-	if v.VRFPubKey == nil {
-		return validator{}, fmt.Errorf("must specify the JSON encoded VRF pubkey")
-	}
-
-	var cmtVRFPubKey crypto.PubKey
-	err = cmtjson.Unmarshal(v.VRFPubKey, &cmtVRFPubKey)
-	if err != nil {
-		return validator{}, fmt.Errorf("error unmarshalling VRF key %w", err)
-	}
-	vrfPk, err := cryptocodec.FromCmtPubKeyInterface(cmtVRFPubKey)
-	if err != nil {
-		return validator{}, fmt.Errorf("failed to convert VRF key type from Comet to SDK %w", err)
-	}
-
 	if v.Moniker == "" {
 		return validator{}, fmt.Errorf("must specify the moniker name")
 	}
@@ -110,7 +93,6 @@ func parseAndValidateValidatorJSON(cdc codec.Codec, path string) (validator, err
 	return validator{
 		Amount:            amount,
 		PubKey:            pk,
-		VRFPubKey:         vrfPk,
 		Moniker:           v.Moniker,
 		Identity:          v.Identity,
 		Website:           v.Website,