cleanup dht stuff and client/server api

veilid-core/src/rpc_processor/coders/peer_info.rs

@@ -36,7 +36,7 @@ pub fn decode_peer_info(reader: &veilid_capnp::peer_info::Reader) -> Result<Peer
         .reborrow()
         .get_signed_node_info()
         .map_err(RPCError::protocol)?;
-    let mut node_ids = TypedKeySet::with_capacity(nids_reader.len() as usize);
+    let mut node_ids = TypedKeyGroup::with_capacity(nids_reader.len() as usize);
     for nid_reader in nids_reader.iter() {
         node_ids.add(decode_typed_key(&nid_reader)?);
     }

veilid-core/src/rpc_processor/coders/signed_relayed_node_info.rs

@@ -69,7 +69,7 @@ pub fn decode_signed_relayed_node_info(
     if rid_count > MAX_CRYPTO_KINDS {
         return Err(RPCError::protocol("too many relay ids"));
     }
-    let mut relay_ids = TypedKeySet::with_capacity(rid_count);
+    let mut relay_ids = TypedKeyGroup::with_capacity(rid_count);
     for rid_reader in rids_reader {
         let relay_id = decode_typed_key(&rid_reader)?;
         relay_ids.add(relay_id);

veilid-core/src/rpc_processor/fanout_call.rs

@@ -5,7 +5,7 @@ where
     R: Unpin,
 {
     closest_nodes: Vec<NodeRef>,
-    called_nodes: TypedKeySet,
+    called_nodes: HashSet<TypedKey>,
     result: Option<Result<R, RPCError>>,
 }
 
@@ -62,7 +62,7 @@ where
     ) -> Arc<Self> {
         let context = Mutex::new(FanoutContext {
             closest_nodes: Vec::with_capacity(node_count),
-            called_nodes: TypedKeySet::new(),
+            called_nodes: HashSet::new(),
             result: None,
         });
 
@@ -125,7 +125,7 @@ where
                 if !ctx.called_nodes.contains(&key) {
                     // New fanout call candidate found
                     next_node = Some(cn.clone());
-                    ctx.called_nodes.add(key);
+                    ctx.called_nodes.insert(key);
                     break;
                 }
             }