Additional logging for polkadot network protocols (#2684)

* Additional logging for polkadot network protocols

* Additional log

* Update node/network/bitfield-distribution/src/lib.rs

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update node/network/availability-distribution/src/responder.rs

* Added additional chunk info

* Added additional peer info

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

polkadot/node/network/availability-distribution/src/requester/mod.rs

@@ -101,6 +101,11 @@ impl Requester {
 	where
 		Context: SubsystemContext,
 	{
+		tracing::trace!(
+			target: LOG_TARGET,
+			?update,
+			"Update fetching heads"
+		);
 		let ActiveLeavesUpdate {
 			activated,
 			deactivated,
@@ -126,6 +131,11 @@ impl Requester {
 				Err(err) => return Ok(Some(err)),
 				Ok(cores) => cores,
 			};
+			tracing::trace!(
+				target: LOG_TARGET,
+				occupied_cores = ?cores,
+				"Query occupied core"
+			);
 			if let Some(err) = self.add_cores(ctx, leaf, cores).await? {
 				return Ok(Some(err));
 			}

polkadot/node/network/availability-distribution/src/responder.rs

@@ -74,6 +74,15 @@ where
 
 	let result = chunk.is_some();
 
+	tracing::trace!(
+		target: LOG_TARGET,
+		hash = ?req.payload.candidate_hash,
+		index = ?req.payload.index,
+		peer = ?req.peer,
+		has_data = ?chunk.is_some(),
+		"Serving chunk",
+	);
+
 	let response = match chunk {
 		None => v1::AvailabilityFetchingResponse::NoSuchChunk,
 		Some(chunk) => v1::AvailabilityFetchingResponse::Chunk(chunk.into()),
@@ -99,5 +108,14 @@ where
 	))
 	.await;
 
-	rx.await.map_err(|e| Error::QueryChunkResponseChannel(e))
+	rx.await.map_err(|e| {
+		tracing::trace!(
+			target: LOG_TARGET,
+			?validator_index,
+			?candidate_hash,
+			error = ?e,
+			"Error retrieving chunk",
+		);
+		Error::QueryChunkResponseChannel(e)
+	})
 }