From b594dc212985c6db09c0dcc0ba8abe63dc756fbb Mon Sep 17 00:00:00 2001
From: Mac L <mjladson@pm.me>
Date: Wed, 16 Nov 2022 11:03:19 +1100
Subject: [PATCH] Add CLI flag for gui

---
 beacon_node/src/cli.rs          |  8 ++++++++
 beacon_node/src/config.rs       |  6 ++++++
 lighthouse/tests/beacon_node.rs | 11 +++++++++++
 3 files changed, 25 insertions(+)

diff --git a/beacon_node/src/cli.rs b/beacon_node/src/cli.rs
index b00d56513cc..44a995176d1 100644
--- a/beacon_node/src/cli.rs
+++ b/beacon_node/src/cli.rs
@@ -875,4 +875,12 @@ pub fn cli_app<'a, 'b>() -> App<'a, 'b> {
                        [experimental]")
                 .takes_value(false)
         )
+        .arg(
+            Arg::with_name("gui")
+                .long("gui")
+                .hidden(true)
+                .help("Enable the graphical user interface and all its requirements. \
+                      This is equivalent to --http and --validator-monitor-auto.")
+                .takes_value(false)
+        )
 }
diff --git a/beacon_node/src/config.rs b/beacon_node/src/config.rs
index 472708ecb8a..85f02249826 100644
--- a/beacon_node/src/config.rs
+++ b/beacon_node/src/config.rs
@@ -708,6 +708,12 @@ pub fn get_config<E: EthSpec>(
     client_config.chain.builder_fallback_disable_checks =
         cli_args.is_present("builder-fallback-disable-checks");
 
+    // Graphical user interface config.
+    if cli_args.is_present("gui") {
+        client_config.http_api.enabled = true;
+        client_config.validator_monitor_auto = true;
+    }
+
     Ok(client_config)
 }
 
diff --git a/lighthouse/tests/beacon_node.rs b/lighthouse/tests/beacon_node.rs
index 7b46fd6a913..d39235cb136 100644
--- a/lighthouse/tests/beacon_node.rs
+++ b/lighthouse/tests/beacon_node.rs
@@ -1614,3 +1614,14 @@ fn light_client_server_enabled() {
         .run_with_zero_port()
         .with_config(|config| assert_eq!(config.network.enable_light_client_server, true));
 }
+
+#[test]
+fn gui_flag() {
+    CommandLineTest::new()
+        .flag("gui", None)
+        .run_with_zero_port()
+        .with_config(|config| {
+            assert!(config.http_api.enabled);
+            assert!(config.validator_monitor_auto);
+        });
+}