init

server.ts

@@ -0,0 +1,60 @@
+import express from "express";
+import { generateRpcCache, type RpcCache } from "./rpcChecker";
+import fs from "fs";
+import path from "path";
+import corsLib from "cors";
+
+const app = express();
+const PORT = 3344;
+
+app.use(express.json());
+app.use(corsLib());
+
+let rpcCache: RpcCache = {};
+
+const CACHE_FILE = path.join(__dirname, "cache.json");
+
+function loadCacheFromFile() {
+    if (fs.existsSync(CACHE_FILE)) {
+        const raw = fs.readFileSync(CACHE_FILE, "utf-8");
+        rpcCache = JSON.parse(raw);
+    }
+}
+
+async function refreshRpcCache() {
+  console.log("🔄 Refreshing RPC data...");
+  await generateRpcCache((chain, data) => {
+    rpcCache[chain] = data;
+  });
+
+  console.log("✅ RPC data refreshed.");
+}
+
+setInterval(refreshRpcCache, 12 * 60 * 60 * 1000);
+
+app.post("/rpc-check", (req, res) => {
+    if (!req.body || typeof req.body !== "object") {
+        return res.status(400).json({ error: "Invalid JSON body" });
+    }
+
+    const { chains } = req.body;
+    if (!Array.isArray(chains)) {
+        return res.status(400).json({ error: "Missing chains: string[]" });
+    }
+
+    const data: RpcCache = {};
+    for (const name of chains) {
+        if (rpcCache[name]) {
+            data[name] = rpcCache[name];
+        }
+    }
+
+    return res.json(data);
+});
+
+app.listen(PORT, async () => {
+    console.log(`🚀 RPC check server running on http://localhost:${PORT}`);
+    loadCacheFromFile();
+    await refreshRpcCache();
+});
+