Update server.js

server.js

@@ -34,7 +34,10 @@ app.get("/api/amount", authenticate, (req, res) => {
     const data = readData();
     if (!data[chatid]) data[chatid] = [];
 
-    const newEntry = { amount: parseFloat(amount), timestamp: new Date().toISOString() };
+    // Generate UNIX timestamp for unique ID
+    const timestamp = Date.now() / 1000;
+    const newEntry = { amount: parseFloat(amount), amountId: timestamp, timestamp };
+
     data[chatid].push(newEntry);
     writeData(data);
 
@@ -50,13 +53,12 @@ app.get("/api/new", authenticate, (req, res) => {
     const data = readData();
     const chatData = data[chatid] || [];
 
+    // Sort by timestamp to maintain order
+    chatData.sort((a, b) => a.timestamp - b.timestamp);
+
     res.json({
         chatid,
-        amounts: chatData.map((entry, index) => ({
-            amount: entry.amount,
-            amountId: index + 1,
-            timestamp: entry.timestamp
-        }))
+        amounts: chatData
     });
 });