Deploy: 2026-07-30 11:05:21

whatsapp-gateway/baileys-client.js

@@ -178,6 +178,7 @@ const sessions = new Map(); // Store active sockets in memory
 const retryCounters = new Map(); // Track reconnection attempts per session
 const recentMessages = new Map(); // Cache of recent messages in memory to serve getMessage callback
 const phoneToLid = new Map(); // Map phone numbers to LID JIDs for correct E2EE routing
+const resolvedJidCache = new Map(); // Map phone numbers to plain resolved JIDs (avoids re-querying on every send)
 const sessionStores = new Map(); // Store active stores in memory
 const storeIntervals = new Map(); // Store save intervals in memory
 
@@ -586,6 +587,9 @@ async function resolveJid(sock, phone) {
         console.log(`[LID] Routing reply to ${phone} via LID: ${lid}`);
         return lid;
     }
+    if (resolvedJidCache.has(phone)) {
+        return resolvedJidCache.get(phone);
+    }
     // Query WhatsApp to resolve the correct JID/LID for this phone number.
     try {
         console.log(`[JID Resolve] Resolving JID for ${phone}...`);
@@ -594,6 +598,13 @@ async function resolveJid(sock, phone) {
             console.log(`[JID Resolve] Successfully resolved JID for ${phone}: ${result.jid}`);
             if (result.jid.endsWith('@lid')) {
                 phoneToLid.set(phone, result.jid);
+            } else {
+                // Cache plain JIDs too — this lookup is a network roundtrip that previously
+                // ran on every single send to the same number.
+                resolvedJidCache.set(phone, result.jid);
+                if (resolvedJidCache.size > 5000) {
+                    resolvedJidCache.delete(resolvedJidCache.keys().next().value);
+                }
             }
             return result.jid;
         }
@@ -669,7 +680,7 @@ async function _rawSend(sock, jid, message, mediaUrl, audioBase64, mimetype, ima
  * Send a message using an active session — routed through ThrottleManager
  * for human-like delays, typing indicators, and anti-ban protection.
  */
-async function sendMessage(session_key, phone, message, mediaUrl = null, audioBase64 = null, mimetype = null, imageBase64 = null) {
+async function sendMessage(session_key, phone, message, mediaUrl = null, audioBase64 = null, mimetype = null, imageBase64 = null, type = null) {
     const sock = sessions.get(session_key);
     if (!sock) {
         throw new Error(`Session ${session_key} is not active or connected`);
@@ -677,9 +688,11 @@ async function sendMessage(session_key, phone, message, mediaUrl = null, audioBa
 
     const jid = await resolveJid(sock, phone);
 
-    // Determine message type for throttle delay calculation
-    let msgType = 'auto_reply';
-    if (audioBase64) msgType = 'voice_reply';
+    // Determine message type for throttle delay calculation. An explicit type from the
+    // caller wins — that's how transactional sends (OTP codes, order confirmations) opt out
+    // of the human-behaviour simulation.
+    let msgType = type || 'auto_reply';
+    if (!type && audioBase64) msgType = 'voice_reply';
 
     // Build the content descriptor for typing delay calculation
     const content = { text: message || '' };