improve identity announcements (#198)

* improve identity announcements

* touches

* signing noise id

* panic mode delete signing key

app/src/main/java/com/bitchat/android/mesh/BluetoothConnectionManager.kt

@@ -41,13 +41,23 @@ class BluetoothConnectionManager(
     // Delegate for component managers to call back to main manager
     private val componentDelegate = object : BluetoothConnectionManagerDelegate {
         override fun onPacketReceived(packet: BitchatPacket, peerID: String, device: BluetoothDevice?) {
+            Log.d(TAG, "onPacketReceived: Packet received from ${device?.address} ($peerID)")
             device?.let { bluetoothDevice ->
+                // if connection does not have a peerID yet, we assume that the first package
+                // we receive from that connection is from the peer
+                if (!connectionTracker.addressPeerMap.containsKey(device.address)) {
+                    Log.d(TAG, "First packet received from new device: ${bluetoothDevice.address}, assuming peerID: $peerID")
+                    connectionTracker.addressPeerMap[device.address] = peerID
+                }
                 // Get current RSSI for this device and update if available
                 val currentRSSI = connectionTracker.getBestRSSI(bluetoothDevice.address)
                 if (currentRSSI != null) {
                     delegate?.onRSSIUpdated(bluetoothDevice.address, currentRSSI)
                 }
             }
+
+            if (peerID == myPeerID) return // Ignore messages from self
+
             delegate?.onPacketReceived(packet, peerID, device)
         }