consensus/parlia: add debug log for backOffTime

Author: NathanBSC

consensus/parlia/parlia.go

@@ -2124,6 +2124,10 @@ func (p *Parlia) backOffTime(snap *Snapshot, header *types.Header, val common.Ad
 			backOffSteps[i], backOffSteps[j] = backOffSteps[j], backOffSteps[i]
 		})
 
+		for i := uint64(0); i < uint64(n); i++ {
+			log.Debug("backOffTime", "Number", header.Number, "val", validators[i], "delay", delay+backOffSteps[i]*wiggleTime)
+		}
+
 		delay += backOffSteps[idx] * wiggleTime
 		return delay
 	}