From 906a81138c838b912bd7dd811e2c1f61454bd85f Mon Sep 17 00:00:00 2001
From: Rodrigo Oliveri <rodrigooliveri10@gmail.com>
Date: Wed, 17 Jul 2024 16:07:36 -0300
Subject: [PATCH] Added Version to the NodeController for the node version rpc
 call

---
 lib/beacon_api/controllers/v1/node_controller.ex | 16 ++++++++++++++++
 lib/beacon_api/router.ex                         |  1 +
 2 files changed, 17 insertions(+)

diff --git a/lib/beacon_api/controllers/v1/node_controller.ex b/lib/beacon_api/controllers/v1/node_controller.ex
index 2fce6acbf..02cf59ff5 100644
--- a/lib/beacon_api/controllers/v1/node_controller.ex
+++ b/lib/beacon_api/controllers/v1/node_controller.ex
@@ -16,6 +16,9 @@ defmodule BeaconApi.V1.NodeController do
   def open_api_operation(:identity),
     do: ApiSpec.spec().paths["/eth/v1/node/identity"].get
 
+  def open_api_operation(:version),
+    do: ApiSpec.spec().paths["/eth/v1/node/version"].get
+
   @spec health(Plug.Conn.t(), any) :: Plug.Conn.t()
   def health(conn, params) do
     # TODO: respond with syncing status if we're still syncing
@@ -46,4 +49,17 @@ defmodule BeaconApi.V1.NodeController do
       }
     })
   end
+
+  @spec version(Plug.Conn.t(), any) :: Plug.Conn.t()
+  def version(conn, _params) do
+    version = Application.spec(:lambda_ethereum_consensus)[:vsn]
+    arch = :erlang.system_info(:system_architecture)
+
+    conn
+    |> json(%{
+      "data" => %{
+        "version" => "Lambda/#{version}/#{arch}",
+      }
+    })
+  end
 end
diff --git a/lib/beacon_api/router.ex b/lib/beacon_api/router.ex
index d0fec48c3..df36dda97 100644
--- a/lib/beacon_api/router.ex
+++ b/lib/beacon_api/router.ex
@@ -20,6 +20,7 @@ defmodule BeaconApi.Router do
     scope "/node" do
       get("/health", NodeController, :health)
       get("/identity", NodeController, :identity)
+      get("/version", NodeController, :version)
     end
   end