From cc98117df2fd8cef38194fb2a81e08dc3ed4f66d Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Fri, 22 May 2020 17:21:37 +0300
Subject: [PATCH] log block validation time

---
 chain/sub/incoming.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/chain/sub/incoming.go b/chain/sub/incoming.go
index 3bf42f1c2..2ef9c2718 100644
--- a/chain/sub/incoming.go
+++ b/chain/sub/incoming.go
@@ -143,6 +143,13 @@ func (bv *BlockValidator) flagPeer(p peer.ID) {
 }
 
 func (bv *BlockValidator) Validate(ctx context.Context, pid peer.ID, msg *pubsub.Message) pubsub.ValidationResult {
+	// track validation time
+	begin := time.Now()
+	defer func() {
+		end := time.Now()
+		log.Infof("block validation time: %s", end.Sub(begin))
+	}()
+
 	stats.Record(ctx, metrics.BlockReceived.M(1))
 
 	recordFailure := func(what string) {