From 12b25fdf6ec77b6277b50f6b1bad231008387c3d Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Wed, 8 Nov 2017 02:42:27 +0000
Subject: [PATCH] blockchain: add comment in AddPeer. closes #666

---
 blockchain/reactor.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/blockchain/reactor.go b/blockchain/reactor.go
index 5a073030..64e5e937 100644
--- a/blockchain/reactor.go
+++ b/blockchain/reactor.go
@@ -121,6 +121,8 @@ func (bcR *BlockchainReactor) AddPeer(peer p2p.Peer) {
 	if !peer.Send(BlockchainChannel, struct{ BlockchainMessage }{&bcStatusResponseMessage{bcR.store.Height()}}) {
 		// doing nothing, will try later in `poolRoutine`
 	}
+	// peer is added to the pool once we receive the first
+	// bcStatusResponseMessage from the peer and call pool.SetPeerHeight
 }
 
 // RemovePeer implements Reactor by removing peer from the pool.