Proposer logging for HasQuorum function fixed (#1310)

consensus/polybft/consensus_runtime.go

@@ -752,7 +752,9 @@ func (c *consensusRuntime) HasQuorum(
 
 		propAddress, err := c.fsm.proposerSnapshot.GetLatestProposer(messages[0].View.Round, height)
 		if err != nil {
-			c.logger.Warn("HasQuorum has been called but proposer is not set", "error", err)
+			// This can happen if e.g. node runs sequence on lower height and proposer calculator updated
+			// to a newer count as a consequence of inserting block from syncer
+			c.logger.Debug("HasQuorum has been called but proposer could not be retrieved", "error", err)
 
 			return false
 		}

consensus/polybft/polybft.go

@@ -308,6 +308,8 @@ func (p *Polybft) startConsensusProtocol() {
 				// The blockchain notification system can eventually deliver
 				// stale block notifications. These should be ignored
 				if ev.Source == "syncer" && ev.NewChain[0].Number >= p.blockchain.CurrentHeader().Number {
+					p.logger.Info("sync block notification received", "block height", ev.NewChain[0].Number,
+						"current height", p.blockchain.CurrentHeader().Number)
 					syncerBlockCh <- struct{}{}
 				}
 			}