From 3126afd12b35c322a4a647c7a6ec667b3501d294 Mon Sep 17 00:00:00 2001
From: Christopher Goes <cwgoes@protonmail.ch>
Date: Mon, 26 Mar 2018 20:13:46 +0200
Subject: [PATCH] Add show_node_id command (closes #704)

---
 examples/basecoin/cmd/basecoind/main.go |  1 +
 server/show_node_id.go                  | 38 +++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 server/show_node_id.go

diff --git a/examples/basecoin/cmd/basecoind/main.go b/examples/basecoin/cmd/basecoind/main.go
index 56dfcc02f2b9..ea49c0b970e5 100644
--- a/examples/basecoin/cmd/basecoind/main.go
+++ b/examples/basecoin/cmd/basecoind/main.go
@@ -67,6 +67,7 @@ func main() {
 		server.InitCmd(defaultOptions, logger),
 		server.StartCmd(generateApp, logger),
 		server.UnsafeResetAllCmd(logger),
+		server.ShowNodeIdCmd(logger),
 		version.VersionCmd,
 	)
 
diff --git a/server/show_node_id.go b/server/show_node_id.go
new file mode 100644
index 000000000000..f8d9f3f81f6b
--- /dev/null
+++ b/server/show_node_id.go
@@ -0,0 +1,38 @@
+package server
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+
+	tcmd "github.com/tendermint/tendermint/cmd/tendermint/commands"
+	"github.com/tendermint/tendermint/p2p"
+	"github.com/tendermint/tmlibs/log"
+)
+
+// ShowNodeIdCmd - ported from Tendermint, dump node ID to stdout
+func ShowNodeIdCmd(logger log.Logger) *cobra.Command {
+	cmd := showNodeId{logger}
+	return &cobra.Command{
+		Use:   "show_node_id",
+		Short: "Show this node's ID",
+		RunE:  cmd.run,
+	}
+}
+
+type showNodeId struct {
+	logger log.Logger
+}
+
+func (s showNodeId) run(cmd *cobra.Command, args []string) error {
+	cfg, err := tcmd.ParseConfig()
+	if err != nil {
+		return err
+	}
+	nodeKey, err := p2p.LoadOrGenNodeKey(cfg.NodeKeyFile())
+	if err != nil {
+		return err
+	}
+	fmt.Println(nodeKey.ID())
+	return nil
+}