Plumtree sync (#393)

* wip plumtree

* sync works

* fix logging

* ttl to 0

* fix send packet to one peer

* spec

* wip GCS instead of bloom

* remove bloom filter remainders

* clean

* prune old announcements

* remove announcements from sync after LEAVE

* sync after 1 second

* pruning

* track own announcement and prune messages without announcements

* fix pruning

* getGcsMaxFilterBytes default value 400 bytes

* parameters

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

@@ -50,12 +50,6 @@ class SecurityManager(private val encryptionService: EncryptionService, private
             return false
         }
         
-        // TTL check
-        if (packet.ttl == 0u.toUByte()) {
-            Log.d(TAG, "Dropping packet with TTL 0")
-            return false
-        }
-        
         // Validate packet payload
         if (packet.payload.isEmpty()) {
             Log.d(TAG, "Dropping packet with empty payload")
@@ -67,11 +61,11 @@ class SecurityManager(private val encryptionService: EncryptionService, private
         val packetTime = packet.timestamp.toLong()
         val timeDiff = kotlin.math.abs(currentTime - packetTime)
         
-        if (timeDiff > MESSAGE_TIMEOUT) {
-            Log.d(TAG, "Dropping old packet from $peerID, time diff: ${timeDiff/1000}s")
-            return false
-        }
-        
+//        if (timeDiff > MESSAGE_TIMEOUT) {
+//            Log.d(TAG, "Dropping old packet from $peerID, time diff: ${timeDiff/1000}s")
+//            return false
+//        }
+
         // Duplicate detection
         val messageID = generateMessageID(packet, peerID)
         if (processedMessages.contains(messageID)) {