From 7ba63d5f54d99970b53e3e219f243b7162ed69a6 Mon Sep 17 00:00:00 2001
From: liamcottle <liam@liamcottle.com>
Date: Wed, 11 Feb 2026 01:05:30 +1300
Subject: [PATCH 1/3] parse transport codes

---
 src/packet.js | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/packet.js b/src/packet.js
index c3cfa2e..53a2f46 100644
--- a/src/packet.js
+++ b/src/packet.js
@@ -10,10 +10,10 @@ class Packet {
     static PH_VER_SHIFT = 6;
     static PH_VER_MASK = 0x03;   // 2-bits
 
-    static ROUTE_TYPE_RESERVED1 = 0x00;    // FUTURE
+    static ROUTE_TYPE_TRANSPORT_FLOOD = 0x00;    // flood mode + transport codes
     static ROUTE_TYPE_FLOOD = 0x01;    // flood mode, needs 'path' to be built up (max 64 bytes)
     static ROUTE_TYPE_DIRECT = 0x02;    // direct route, 'path' is supplied
-    static ROUTE_TYPE_RESERVED2 = 0x03;    // FUTURE
+    static ROUTE_TYPE_TRANSPORT_DIRECT = 0x03;    // direct route + transport codes
 
     static PAYLOAD_TYPE_REQ = 0x00;    // request (prefixed with dest/src hashes, MAC) (enc data: timestamp, blob)
     static PAYLOAD_TYPE_RESPONSE = 0x01;    // response to REQ or ANON_REQ (prefixed with dest/src hashes, MAC) (enc data: timestamp, blob)
@@ -27,12 +27,14 @@ class Packet {
     static PAYLOAD_TYPE_TRACE = 0x09;    // trace a path, collecting SNR for each hop
     static PAYLOAD_TYPE_RAW_CUSTOM = 0x0F;    // custom packet as raw bytes, for applications with custom encryption, payloads, etc
 
-    constructor(header, path, payload) {
+    constructor(header, path, payload, transportCode1, transportCode2) {
 
 
         this.header = header;
         this.path = path;
         this.payload = payload;
+        this.transportCode1 = transportCode1;
+        this.transportCode2 = transportCode2;
 
         // parsed info
         this.route_type = this.getRouteType();
@@ -45,12 +47,28 @@ class Packet {
     }
 
     static fromBytes(bytes) {
+
         const bufferReader = new BufferReader(bytes);
         const header = bufferReader.readByte();
+
+        // check if packet has transport codes
+        const routeType = header & Packet.PH_ROUTE_MASK;
+        const hasTransportCodes = routeType === Packet.ROUTE_TYPE_TRANSPORT_FLOOD || routeType === Packet.ROUTE_TYPE_TRANSPORT_DIRECT;
+
+        // parse transport codes
+        var transportCode1 = null;
+        var transportCode2 = null;
+        if(hasTransportCodes){
+            transportCode1 = bufferReader.readUInt16LE();
+            transportCode2 = bufferReader.readUInt16LE();
+        }
+
         const pathLen = bufferReader.readInt8();
         const path = bufferReader.readBytes(pathLen);
         const payload = bufferReader.readRemainingBytes();
-        return new Packet(header, path, payload);
+
+        return new Packet(header, path, payload, transportCode1, transportCode2);
+
     }
 
     getRouteType() {
@@ -61,6 +79,8 @@ class Packet {
         switch(this.getRouteType()){
             case Packet.ROUTE_TYPE_FLOOD: return "FLOOD";
             case Packet.ROUTE_TYPE_DIRECT: return "DIRECT";
+            case Packet.ROUTE_TYPE_TRANSPORT_FLOOD: return "TRANSPORT_FLOOD";
+            case Packet.ROUTE_TYPE_TRANSPORT_DIRECT: return "TRANSPORT_DIRECT";
             default: return null;
         }
     }

From 438478ee3d1b27a3c54aad2e88c6d18a954981ad Mon Sep 17 00:00:00 2001
From: liamcottle <liam@liamcottle.com>
Date: Wed, 11 Feb 2026 01:09:45 +1300
Subject: [PATCH 2/3] 1.11.0

---
 package-lock.json | 4 ++--
 package.json      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 80cb09b..3bef957 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@liamcottle/meshcore.js",
-  "version": "1.10.0",
+  "version": "1.11.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@liamcottle/meshcore.js",
-      "version": "1.10.0",
+      "version": "1.11.0",
       "license": "MIT",
       "dependencies": {
         "@noble/curves": "^1.8.1",
diff --git a/package.json b/package.json
index 6aae9f0..b13a697 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@liamcottle/meshcore.js",
-  "version": "1.10.0",
+  "version": "1.11.0",
   "description": "",
   "main": "src/index.js",
   "type": "module",

From f59b0f7ce4485b6f5d000e1e46d6f3fc341cffe1 Mon Sep 17 00:00:00 2001
From: liamcottle <liam@liamcottle.com>
Date: Wed, 11 Feb 2026 09:56:26 +1300
Subject: [PATCH 3/3] parse feature flags if present in advert app data

---
 src/advert.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/advert.js b/src/advert.js
index 8e4bed9..5349436 100644
--- a/src/advert.js
+++ b/src/advert.js
@@ -9,8 +9,8 @@ class Advert {
     static ADV_TYPE_ROOM = 3;
 
     static ADV_LATLON_MASK = 0x10;
-    static ADV_BATTERY_MASK = 0x20;
-    static ADV_TEMPERATURE_MASK = 0x40;
+    static ADV_FEAT1_MASK = 0x20;
+    static ADV_FEAT2_MASK = 0x40;
     static ADV_NAME_MASK = 0x80;
 
     constructor(publicKey, timestamp, signature, appData) {
@@ -81,6 +81,18 @@ class Advert {
             lon = bufferReader.readInt32LE();
         }
 
+        // parse feat1
+        var feat1 = null;
+        if(flags & Advert.ADV_FEAT1_MASK){
+            feat1 = bufferReader.readUInt16LE();
+        }
+
+        // parse feat2
+        var feat2 = null;
+        if(flags & Advert.ADV_FEAT2_MASK){
+            feat2 = bufferReader.readUInt16LE();
+        }
+
         // parse name (remainder of app data)
         var name = null;
         if(flags & Advert.ADV_NAME_MASK){
@@ -92,6 +104,8 @@ class Advert {
             lat: lat,
             lon: lon,
             name: name,
+            feat1: feat1,
+            feat2: feat2,
         };
 
     }