rpc server: fix host filter for localhost

paritytech · Nov 12, 2024 · 649c50d · 649c50d
1 parent 872d949
commit 649c50d
Showing 1 changed file with 5 additions and 8 deletions.
diff --git a/substrate/client/rpc-servers/src/utils.rs b/substrate/client/rpc-servers/src/utils.rs
@@ -193,14 +193,11 @@ pub(crate) fn host_filtering(enabled: bool, addr: SocketAddr) -> Option<HostFilt
 	if enabled {
 		// NOTE: The listening addresses are whitelisted by default.
 
-		let mut hosts = Vec::new();
-
-		if addr.is_ipv4() {
-			hosts.push(format!("localhost:{}", addr.port()));
-			hosts.push(format!("127.0.0.1:{}", addr.port()));
-		} else {
-			hosts.push(format!("[::1]:{}", addr.port()));
-		}
+		let hosts = [
+			format!("localhost:{}", addr.port()),
+			format!("127.0.0.1:{}", addr.port()),
+			format!("[::1]:{}", addr.port())
+		];
 
 		Some(HostFilterLayer::new(hosts).expect("Valid hosts; qed"))
 	} else {