messing around with arcs

src/service/rooms/auth_chain/data.rs

@@ -1,7 +1,7 @@
-use std::collections::HashSet;
+use std::{collections::HashSet, sync::Arc};
 use crate::Result;
 
-pub trait Data {
-    fn get_cached_eventid_authchain(&self, shorteventid: u64) -> Result<Option<HashSet<u64>>>;
-    fn cache_eventid_authchain(&self, shorteventid: u64, auth_chain: &HashSet<u64>) -> Result<()>;
+pub trait Data: Send + Sync {
+    fn get_cached_eventid_authchain(&self, shorteventid: &[u64]) -> Result<Option<Arc<HashSet<u64>>>>;
+    fn cache_auth_chain(&self, shorteventid: Vec<u64>, auth_chain: Arc<HashSet<u64>>) -> Result<()>;
 }