- Added mempool initialization in main() using settings configuration
- Added support for database backend with mempool.db path resolution
- Added debug logging for mempool sync loop iteration with transaction count
- Reduced mempool sync interval from 2 seconds to 1 second for faster propagation
- Fixed indentation in mempool sync loop transaction iteration
- Added mempool sync loop to broadcast new transactions every 2 seconds
- Implemented transaction deduplication using seen_txs set with tx_hash tracking
- Added support for both InMemoryMempool and DatabaseMempool transaction retrieval
- Added new_transaction message handler for receiving P2P transactions
- Implemented gossip forwarding to propagate transactions across mesh network
- Added automatic mempool.add() for received