Fix clippy lints (#1327)

* Fix clippy lints

* Update formatting

* Remove unsafe send impls

* New type for Rc<NodeContainer>

document-legacy/src/layers/base64_serde.rs

@@ -1,12 +1,13 @@
 //! Basic wrapper for [`serde`] for [`base64`] encoding
 
+use base64::Engine;
 use serde::{Deserialize, Deserializer, Serializer};
 
 pub fn as_base64<S>(key: &std::sync::Arc<Vec<u8>>, serializer: S) -> Result<S::Ok, S::Error>
 where
 	S: Serializer,
 {
-	serializer.serialize_str(&base64::encode(key.as_slice()))
+	serializer.serialize_str(&base64::engine::general_purpose::STANDARD.encode(key.as_slice()))
 }
 
 pub fn from_base64<'a, D>(deserializer: D) -> Result<std::sync::Arc<Vec<u8>>, D::Error>
@@ -16,7 +17,7 @@ where
 	use serde::de::Error;
 
 	String::deserialize(deserializer)
-		.and_then(|string| base64::decode(string).map_err(|err| Error::custom(err.to_string())))
+		.and_then(|string| base64::engine::general_purpose::STANDARD.decode(string).map_err(|err| Error::custom(err.to_string())))
 		.map(std::sync::Arc::new)
 		.map_err(serde::de::Error::custom)
 }