From d942882b3602d1e09a3edb691b8c0a759910b754 Mon Sep 17 00:00:00 2001
From: Peter Ryszkiewicz <3519085+pRizz@users.noreply.github.com>
Date: Mon, 16 Sep 2024 21:02:29 -0500
Subject: [PATCH] Document the magic bytes for witness commitment

---
 bitcoin/src/blockdata/block.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bitcoin/src/blockdata/block.rs b/bitcoin/src/blockdata/block.rs
index 1670389d4..6c6e73622 100644
--- a/bitcoin/src/blockdata/block.rs
+++ b/bitcoin/src/blockdata/block.rs
@@ -245,6 +245,7 @@ impl Block {
 
     /// Checks if witness commitment in coinbase matches the transaction list.
     pub fn check_witness_commitment(&self) -> bool {
+        // Consists of OP_RETURN, OP_PUSHBYTES_36, and four "witness header" bytes.
         const MAGIC: [u8; 6] = [0x6a, 0x24, 0xaa, 0x21, 0xa9, 0xed];
         // Witness commitment is optional if there are no transactions using SegWit in the block.
         if self.txdata.iter().all(|t| t.input.iter().all(|i| i.witness.is_empty())) {