Radom node key (#92)

* Fix a bug about fixed node key

* Change according from review

diff --git a/cmd/bytomd/commands/init.go b/cmd/bytomd/commands/init.go
index 97e605a..1f24547 100644 (file)
--- a/cmd/bytomd/commands/init.go
+++ b/cmd/bytomd/commands/init.go
@@ -2,12 +2,14 @@ package commands
 
 import (
        "os"
+       "encoding/hex"
 
        "github.com/spf13/cobra"
-
-       "github.com/bytom/types"
        log "github.com/sirupsen/logrus"
        cmn "github.com/tendermint/tmlibs/common"
+
+       "github.com/bytom/types"
+       "github.com/bytom/crypto/ed25519/chainkd"
 )
 
 var initFilesCmd = &cobra.Command{
@@ -22,14 +24,19 @@ func init() {
 
 func initFiles(cmd *cobra.Command, args []string) {
        genFile := config.GenesisFile()
-
-       if _, err := os.Stat(genFile); os.IsNotExist(err) {
-               genDoc := types.GenesisDoc{
-                       ChainID:    cmn.Fmt("bytom"),
-                       PrivateKey: "27F82582AEFAE7AB151CFB01C48BB6C1A0DA78F9BDDA979A9F70A84D074EB07D3B3069C422E19688B45CBFAE7BB009FC0FA1B1EA86593519318B7214853803C8",
-               }
-               genDoc.SaveAs(genFile)
+       if _, err := os.Stat(genFile); !os.IsNotExist(err) {
+               log.WithField("genesis", config.GenesisFile()).Info("Already exits config file.")
+               return
        }
-
+       xprv, err := chainkd.NewXPrv(nil)
+       if err != nil {
+               log.WithField("error", err).Error("Spawn node's key failed.")
+               return
+       }
+       genDoc := types.GenesisDoc{
+               ChainID:    cmn.Fmt("bytom"),
+               PrivateKey: hex.EncodeToString(xprv.Bytes()),
+       }
+       genDoc.SaveAs(genFile)
        log.WithField("genesis", config.GenesisFile()).Info("Initialized bytom")
 }