mnemonic

var MnemonicCmd = &cobra.Command{
	Use:   "mnemonic",
	Short: "Generate a BIP39 mnemonic seed.",
	Long:  "",
	RunE: func(cmd *cobra.Command, args []string) error {
		mnemonic, err := hdwallet.NewMnemonic(inputMnemonicWords, inputMnemonicLang)
		if err != nil {
			return err
		}
		cmd.Println(mnemonic)
		return nil
	},
	PreRunE: func(cmd *cobra.Command, args []string) error {
		if inputMnemonicWords < 12 {
			return fmt.Errorf("the number of words in the mnemonic must be 12 or more. Given: %d", inputMnemonicWords)
		}
		if inputMnemonicWords > 24 {
			return fmt.Errorf("the number of words in the mnemonic must be 24 or less. Given: %d", inputMnemonicWords)
		}
		if inputMnemonicWords%3 != 0 {
			return fmt.Errorf("the number of words in the mnemonic must be a multiple of 3")
		}
		return nil

	},
}