From 3737a8f3cc0daa0d9c14d86175e89672484f42f8 Mon Sep 17 00:00:00 2001
From: Aayush Rajasekaran <arajasek94@gmail.com>
Date: Thu, 19 Nov 2020 02:24:32 -0500
Subject: [PATCH 1/2] CLI to get network version

---
 cli/state.go | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/cli/state.go b/cli/state.go
index 31537cc89af..7db7fa719d2 100644
--- a/cli/state.go
+++ b/cli/state.go
@@ -72,6 +72,7 @@ var stateCmd = &cli.Command{
 		stateMinerInfo,
 		stateMarketCmd,
 		stateExecTraceCmd,
+		stateNtwkVersionCmd,
 	},
 }
 
@@ -1831,3 +1832,32 @@ var stateMarketBalanceCmd = &cli.Command{
 		return nil
 	},
 }
+
+var stateNtwkVersionCmd = &cli.Command{
+	Name:  "network-version",
+	Usage: "Returns the network version",
+	Action: func(cctx *cli.Context) error {
+		if cctx.Args().Present() {
+			return ShowHelp(cctx, fmt.Errorf("doesn't expect any arguments"))
+		}
+
+		api, closer, err := GetFullNodeAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer closer()
+
+		ctx := ReqContext(cctx)
+
+		ts, err := LoadTipSet(ctx, cctx, api)
+		if err != nil {
+			return err
+		}
+
+		nv, err := api.StateNetworkVersion(ctx, ts.Key())
+
+		fmt.Printf("Network Version: %d\n", nv)
+
+		return nil
+	},
+}

From 9d2208e0e894035098dd28c71edb376ec68130f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Thu, 19 Nov 2020 17:08:14 +0100
Subject: [PATCH 2/2] fix lint

---
 cli/state.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cli/state.go b/cli/state.go
index 7db7fa719d2..65f8f568653 100644
--- a/cli/state.go
+++ b/cli/state.go
@@ -1855,6 +1855,9 @@ var stateNtwkVersionCmd = &cli.Command{
 		}
 
 		nv, err := api.StateNetworkVersion(ctx, ts.Key())
+		if err != nil {
+			return err
+		}
 
 		fmt.Printf("Network Version: %d\n", nv)