feat(genutil): allow manually setting the consensus key type in genesis. (#19971)

Co-authored-by: Marko <marko@baricevic.me>
Co-authored-by: marbar3778 <marbar3778@yahoo.com>

x/genutil/client/cli/init.go

@@ -9,6 +9,7 @@ import (
 	"path/filepath"
 
 	cfg "github.com/cometbft/cometbft/config"
+	cmttypes "github.com/cometbft/cometbft/types"
 	"github.com/cosmos/go-bip39"
 	"github.com/spf13/cobra"
 
@@ -35,6 +36,9 @@ const (
 
 	// FlagDefaultBondDenom defines the default denom to use in the genesis file.
 	FlagDefaultBondDenom = "default-denom"
+
+	// FlagConsensusKeyAlgo defines the algorithm to use for the consensus signing key.
+	FlagConsensusKeyAlgo = "consensus-key-algo"
 )
 
 type printInfo struct {
@@ -158,8 +162,15 @@ func InitCmd(mm *module.Manager) *cobra.Command {
 			appGenesis.InitialHeight = initHeight
 			appGenesis.Consensus = &types.ConsensusGenesis{
 				Validators: nil,
+				Params:     cmttypes.DefaultConsensusParams(),
 			}
 
+			consensusKey, err := cmd.Flags().GetString(FlagConsensusKeyAlgo)
+			if err != nil {
+				return errorsmod.Wrap(err, "Failed to get consensus key algo")
+			}
+			appGenesis.Consensus.Params.Validator.PubKeyTypes = []string{consensusKey}
+
 			if err = genutil.ExportGenesisFile(appGenesis, genFile); err != nil {
 				return errorsmod.Wrap(err, "Failed to export genesis file")
 			}
@@ -176,6 +187,7 @@ func InitCmd(mm *module.Manager) *cobra.Command {
 	cmd.Flags().String(flags.FlagChainID, "", "genesis file chain-id, if left blank will be randomly created")
 	cmd.Flags().String(FlagDefaultBondDenom, "", "genesis file default denomination, if left blank default value is 'stake'")
 	cmd.Flags().Int64(flags.FlagInitHeight, 1, "specify the initial block height at genesis")
+	cmd.Flags().String(FlagConsensusKeyAlgo, "ed25519", "algorithm to use for the consensus key")
 
 	return cmd
 }