vjudge: check first-daemon

packages/vjudge/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.2.1",
+    "version": "1.2.2",
     "description": "Submit problems to remote oj",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/vjudge/src/model.ts

@@ -90,6 +90,8 @@ class Service {
 }
 
 async function loadAccounts() {
+    // Only start a single daemon
+    if (!global.Hydro.isFirstWorker) return;
     const accounts = await coll.find().toArray();
     for (const account of accounts) {
         if (!providers[account.type]) continue;