Update stats before storing event

src/pipeline.ts

@@ -107,10 +107,8 @@ async function storeEvent(event: DittoEvent, signal?: AbortSignal): Promise<void
   if (deletion) {
     return Promise.reject(new RelayError('blocked', 'event was deleted'));
   } else {
-    await Promise.all([
+    await updateStats(event).catch(debug);
-      Storages.db.event(event, { signal }).catch(debug),
+    await Storages.db.event(event, { signal }).catch(debug);
-      updateStats(event).catch(debug),
-    ]);
   }
 }
 

src/stats.ts

@@ -1,4 +1,4 @@
-import { NostrEvent } from '@nostrify/nostrify';
+import { NKinds, NostrEvent } from '@nostrify/nostrify';
 import Debug from '@soapbox/stickynotes/debug';
 import { InsertQueryBuilder } from 'kysely';
 
@@ -16,14 +16,14 @@ type StatDiff = AuthorStatDiff | EventStatDiff;
 
 const debug = Debug('ditto:stats');
 
-/** Store stats for the event in LMDB. */
+/** Store stats for the event. */
 async function updateStats(event: NostrEvent) {
   let prev: NostrEvent | undefined;
   const queries: InsertQueryBuilder<DittoTables, any, unknown>[] = [];
 
   // Kind 3 is a special case - replace the count with the new list.
   if (event.kind === 3) {
-    prev = await maybeGetPrev(event);
+    prev = await getPrevEvent(event);
     if (!prev || event.created_at >= prev.created_at) {
       queries.push(updateFollowingCountQuery(event));
     }
@@ -153,13 +153,15 @@ function eventStatsQuery(diffs: EventStatDiff[]) {
 }
 
 /** Get the last version of the event, if any. */
-async function maybeGetPrev(event: NostrEvent): Promise<NostrEvent> {
+async function getPrevEvent(event: NostrEvent): Promise<NostrEvent | undefined> {
+  if (NKinds.replaceable(event.kind) || NKinds.parameterizedReplaceable(event.kind)) {
     const [prev] = await Storages.db.query([
       { kinds: [event.kind], authors: [event.pubkey], limit: 1 },
     ]);
 
     return prev;
   }
+}
 
 /** Set the following count to the total number of unique "p" tags in the follow list. */
 function updateFollowingCountQuery({ pubkey, tags }: NostrEvent) {