Log when a round is advanced.

CHANGELOG.md

@@ -15,6 +15,8 @@
 - Fix a bug in how the last timeout certificate is recovered at start-up.
 - Fix the behaviour of the block last finalized pointer in the `GetBlockInfo` so that it
   consistently returns the last finalized block at the time the block was baked.
+- Add debug-level logging when a round is advanced, either due to a quorum certificate or a
+  timeout certificate.
 
 ## 6.0.4
 

concordium-consensus/src/Concordium/KonsensusV1/Consensus.hs

@@ -118,11 +118,14 @@ onNewRound = do
 advanceRoundWithTimeout ::
     ( MonadTimeout m,
       LowLevel.MonadTreeStateStore m,
-      MonadState (SkovData (MPV m)) m
+      MonadState (SkovData (MPV m)) m,
+      MonadLogger m
     ) =>
     RoundTimeout (MPV m) ->
     m ()
 advanceRoundWithTimeout roundTimeout@RoundTimeout{..} = do
+    logEvent Konsensus LLDebug $
+        "Advancing round: round " ++ show (tcRound rtTimeoutCertificate) ++ " timed out."
     onNewRound
     roundStatus %=! updateQC . updateTC . (rsRoundEligibleToBake .~ True)
     updatePersistentRoundStatus (prsLatestTimeout .~ Present rtTimeoutCertificate)
@@ -142,12 +145,18 @@ advanceRoundWithTimeout roundTimeout@RoundTimeout{..} = do
 -- * The certified block MUST be for a round that is at least the current round.
 advanceRoundWithQuorum ::
     ( MonadTimeout m,
-      MonadState (SkovData (MPV m)) m
+      MonadState (SkovData (MPV m)) m,
+      MonadLogger m
     ) =>
     -- |Certified block
     CertifiedBlock (MPV m) ->
     m ()
 advanceRoundWithQuorum certBlock = do
+    logEvent Konsensus LLDebug $
+        "Advancing round: round "
+            ++ show (qcRound (cbQuorumCertificate certBlock))
+            ++ " certified block "
+            ++ show (qcBlock (cbQuorumCertificate certBlock))
     onNewRound
     roundStatus
         %=! (rsCurrentRound .~ 1 + qcRound (cbQuorumCertificate certBlock))

concordium-consensus/src/Concordium/KonsensusV1/Consensus/Timeout.hs

@@ -113,7 +113,7 @@ receiveTimeoutMessage ::
     -- |Result of receiving the 'TimeoutMessage'.
     m (ReceiveTimeoutMessageResult (MPV m))
 receiveTimeoutMessage tm@TimeoutMessage{tmBody = TimeoutMessageBody{..}} skovData
-    -- Consenus has been shutdown.
+    -- Consensus has been shutdown.
     | skovData ^. isConsensusShutdown = return ConsensusShutdown
     --  The round of the 'TimeoutMessage' is obsolete.
     | tmRound < currentRound =