clean up

crates/signed_core/src/status.rs

@@ -47,19 +47,10 @@ impl RepoStatus {
     }
 }
 
-// NIP-10 and NIP-34 use the lowercase `e` tag; NIP-22 comments, kind `1111`,
-// use the uppercase `E` tag for the thread root.
-pub fn references_root(event: &Event, root: &EventId) -> bool {
-    let root = root.to_hex();
-    event
-        .tags
-        .iter()
-        .any(|tag| matches!(tag.kind(), "e" | "E") && tag.content() == Some(root.as_str()))
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::GitEvent;
 
     const ROOT_ID_HEX: &str = "1111111111111111111111111111111111111111111111111111111111111111";
     const OTHER_ID_HEX: &str = "2222222222222222222222222222222222222222222222222222222222222222";
@@ -90,11 +81,8 @@ mod tests {
             ))
             .expect("signed event");
 
-        assert!(references_root(&event, &root));
-        assert!(!references_root(
-            &event,
-            &EventId::from_hex(OTHER_ID_HEX).expect("valid id")
-        ));
+        assert!(event.references_root(&root));
+        assert!(!event.references_root(&EventId::from_hex(OTHER_ID_HEX).expect("valid id")));
     }
 
     #[test]