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paritytech · Mar 4, 2024 · 7322058 · 7322058
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commit 7322058
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/polkadot/node/subsystem-types/src/messages.rs b/polkadot/node/subsystem-types/src/messages.rs
@@ -212,6 +212,7 @@ pub enum CollatorProtocolMessage {
 		/// The receipt of the candidate.
 		candidate_receipt: CandidateReceipt,
 		/// The hash of the parent head-data.
+		/// Here to avoid computing the hash of the parent head data twice.
 		parent_head_data_hash: Hash,
 		/// Proof of validity.
 		pov: PoV,