Move subxt-new to be the new subxt, and get first example working

utils/fetch-metadata/src/lib.rs

@@ -4,17 +4,12 @@
 
 //! Subxt utils fetch metadata.
 
-#![cfg_attr(docsrs, feature(doc_cfg))]
-
-// Internal helper macros
-#[macro_use]
-mod macros;
 mod error;
 
-cfg_fetch_from_url! {
-    mod url;
-    pub use url::{from_url, from_url_blocking, MetadataVersion, Url};
-}
+#[cfg(feature = "url")]
+mod url;
+#[cfg(feature = "url")]
+pub use url::{from_url, from_url_blocking, MetadataVersion, Url};
 
 pub use error::Error;
 

utils/fetch-metadata/src/macros.rs

@@ -1,22 +0,0 @@
-// Copyright 2019-2024 Parity Technologies (UK) Ltd.
-// This file is dual-licensed as Apache-2.0 or GPL-3.0.
-// see LICENSE for license details.
-
-macro_rules! cfg_feature {
-	($feature:literal, $($item:item)*) => {
-		$(
-			#[cfg(feature = $feature)]
-			#[cfg_attr(docsrs, doc(cfg(feature = $feature)))]
-			$item
-		)*
-	}
-}
-
-macro_rules! cfg_fetch_from_url {
-	($($item:item)*) => {
-		crate::macros::cfg_feature!("url", $($item)*);
-	};
-}
-
-#[allow(unused)]
-pub(crate) use {cfg_feature, cfg_fetch_from_url};