tendermint/cmd/tendermint/commands/gen_node_key.go
2018-04-09 17:02:47 +02:00

33 lines
719 B
Go

package commands
import (
"fmt"
"github.com/spf13/cobra"
"github.com/tendermint/tendermint/p2p"
cmn "github.com/tendermint/tmlibs/common"
)
// GenNodeKeyCmd allows the generation of a node key. It prints node's ID to
// the standard output.
var GenNodeKeyCmd = &cobra.Command{
Use: "gen_node_key",
Short: "Generate a node key for this node and print its ID",
RunE: genNodeKey,
}
func genNodeKey(cmd *cobra.Command, args []string) error {
nodeKeyFile := config.NodeKeyFile()
if cmn.FileExists(nodeKeyFile) {
return fmt.Errorf("node key at %s already exists", nodeKeyFile)
}
nodeKey, err := p2p.LoadOrGenNodeKey(nodeKeyFile)
if err != nil {
return err
}
fmt.Println(nodeKey.ID())
return nil
}