@@ -10,6 +10,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// Flags
+var (
+	epochNum uint64
+)
+
 // NodeCmd represents the node command
 var NodeCmd = &cobra.Command{
 	Use:   "node",
// Copyright (c) 2019 IoTeX
// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
// License 2.0 that can be found in the LICENSE file.

package node

import (
	"github.com/spf13/cobra"
)

// NodeCmd represents the node command
var NodeCmd = &cobra.Command{
	Use:   "node",
	Short: "Deal with nodes of IoTeX blockchain",
	Args:  cobra.ExactArgs(1),
}

func init() {
	NodeCmd.AddCommand(nodeDelegateCmd)
}

`epochNum` is a global variable (from `gochecknoglobals`)