report key.

consensus/consensus.go

@@ -199,5 +199,5 @@ func (consensus *Consensus) String() string {
 		duty = "VLD" // validator
 	}
 	return fmt.Sprintf("[duty:%s, priKey:%s, ShardID:%v, nodeId:%v, state:%s]",
-		duty, fmt.Sprintf("%x", consensus.priKey), consensus.ShardID, consensus.nodeId, consensus.state)
+		duty, consensus.priKey.String(), consensus.ShardID, consensus.nodeId, consensus.state)
 }

consensus/consensus_leader.go

@@ -426,6 +426,7 @@ func (consensus *Consensus) reportMetrics(block blockchain.Block) {
 		}
 	}
 	form := url.Values{
+		"key":             {consensus.pubKey.String()},
 		"tps":             {strconv.FormatFloat(tps, 'f', 2, 64)},
 		"txCount":         {strconv.Itoa(int(numOfTxs))},
 		"nodeCount":       {strconv.Itoa(len(consensus.validators) + 1)},