From db3c4fcdcf6d8a42c932fec52aaca3d0e04d5077 Mon Sep 17 00:00:00 2001
From: Dongil Seo <seo@comcom.ai>
Date: Sat, 2 Dec 2023 00:28:51 +0900
Subject: [PATCH] Add some comments

---
 common/common-util.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/common-util.js b/common/common-util.js
index 9872e1292..1da2bc16c 100644
--- a/common/common-util.js
+++ b/common/common-util.js
@@ -760,8 +760,9 @@ class CommonUtil {
       gasAmount = 0; // Default gas amount = 0
     }
     let cost = gasPrice * gasPriceUnit * gasAmount;
+    // NOTE(platfowner): Apply gas cost flooring up-to 6 decimals.
     if (isEnabledTimerFlag('allow_up_to_6_decimal_transfer_value_only', blockNumber)) {
-      cost = Math.floor(cost * 1000000) / 1000000;
+      cost = Math.floor(cost * 1000000) / 1000000;  // gas cost flooring
     }
     return cost;
   }