attempt to fix metrics

Author: Marko Baricevic

p2p/peer.go

@@ -329,11 +329,11 @@ func (p *peer) send(chID byte, msg proto.Message, sendFunc func(byte, []byte) bo
 	res := sendFunc(chID, msgBytes)
 	if res {
 		labels := []string{
+			"message_type", metricLabelValue,
 			"peer_id", string(p.ID()),
 			"chID", fmt.Sprintf("%#x", chID),
 		}
 		p.metrics.PeerSendBytesTotal.With(labels...).Add(float64(len(msgBytes)))
-		p.metrics.MessageSendBytesTotal.With("message_type", metricLabelValue).Add(float64(len(msgBytes)))
 	}
 	return res
 }