From 88bce9396c6dce748525cd1154d71260878767b2 Mon Sep 17 00:00:00 2001
From: Longarithm <the.aleksandr.logunov@gmail.com>
Date: Thu, 16 Nov 2023 15:27:30 +0400
Subject: [PATCH] comments

---
 chain/chain/src/chain.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/chain/chain/src/chain.rs b/chain/chain/src/chain.rs
index d3e395ba763..7cc46576363 100644
--- a/chain/chain/src/chain.rs
+++ b/chain/chain/src/chain.rs
@@ -3534,9 +3534,10 @@ impl Chain {
         shard_id: ShardId,
         is_new_chunk: bool,
     ) -> Result<BlockContext, Error> {
-        // backwards compatibility
         let epoch_id = block_header.epoch_id();
         let protocol_version = self.epoch_manager.get_epoch_protocol_version(epoch_id)?;
+        // Before `FixApplyChunks` feature, gas price was taken from current
+        // block by mistake. Preserve it for backwards compatibility.
         let gas_price = if !is_new_chunk
             && protocol_version < ProtocolFeature::FixApplyChunks.protocol_version()
         {