From e198534765e4b87f5c09ff252e0b3a8c2f02c86d Mon Sep 17 00:00:00 2001
From: welbon <libo.weng@gmail.com>
Date: Sat, 11 May 2024 10:28:33 +0800
Subject: [PATCH] [Flexidag] add some comment for helping code-review

---
 types/src/block/mod.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/types/src/block/mod.rs b/types/src/block/mod.rs
index fea02d569c..db88fa520a 100644
--- a/types/src/block/mod.rs
+++ b/types/src/block/mod.rs
@@ -35,9 +35,9 @@ use std::sync::Mutex;
 pub type BlockNumber = u64;
 #[derive(PartialEq, Eq, Debug)]
 pub enum DagHeaderType {
-    Single,
-    Genesis,
-    Normal,
+    Single,  // Legacy block
+    Genesis, // GhostDag genesis block
+    Normal,  // GhostDag Normal block
 }
 pub type ParentsHash = Option<Vec<HashValue>>;