From 3899f8ca179e07de7c3e1f91af51eabf49aa880c Mon Sep 17 00:00:00 2001
From: Pere Diaz Bou <pere-altea@hotmail.com>
Date: Sun, 30 Mar 2025 11:03:45 +0200
Subject: [PATCH] comment header size

---
 core/types.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/types.rs b/core/types.rs
index 8c6f3245b..90b6dcd27 100644
--- a/core/types.rs
+++ b/core/types.rs
@@ -768,6 +768,10 @@ impl ImmutableRecord {
         let mut header_size = size_header;
         if header_size <= 126 {
             // common case
+            // This case means the header size can be contained by a single byte, therefore
+            // header_size == size of serial types + 1 byte from the header size
+            // Since header_size is a varint, and a varint the first bit is used to represent we have more bytes to read,
+            // header size here will be 126 == (2^7 - 1)
             header_size += 1;
         } else {
             todo!("calculate big header size extra bytes");