From 28b50552786af0d4b45950251c5f577614178bda Mon Sep 17 00:00:00 2001
From: Youngjoon Lee <5462944+youngjoon-lee@users.noreply.github.com>
Date: Wed, 26 Jun 2024 17:12:50 +0900
Subject: [PATCH] add comment

---
 mixnet/node.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mixnet/node.py b/mixnet/node.py
index 4c931ef..3fc5c7a 100644
--- a/mixnet/node.py
+++ b/mixnet/node.py
@@ -98,6 +98,9 @@ class MixGossipChannel:
     async def __process_inbound_conn(self, conn: Connection):
         while True:
             elem = await conn.get()
+            # In practice, data transmitted through connections is going to be always 'bytes'.
+            # But here, we use the SphinxPacket type explicitly for simplicity
+            # without implementing serde for SphinxPacket.
             if isinstance(elem, bytes):
                 assert elem == build_noise_packet()
                 # Drop packet