From bba947017551acffa02e802740afe05f9b229429 Mon Sep 17 00:00:00 2001
From: HelloZeroNet <hello@noloop.me>
Date: Mon, 13 Apr 2015 23:56:08 +0200
Subject: [PATCH] Send only peer exchange to newer clients

---
 src/Site/Site.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Site/Site.py b/src/Site/Site.py
index 567d2528..78f51e17 100644
--- a/src/Site/Site.py
+++ b/src/Site/Site.py
@@ -295,7 +295,13 @@ class Site:
 		done = 0
 		added = 0
 		for peer in peers:
-			res = peer.pex(need_num=need_num)
+			if peer.connection: # Has connection
+				if "port_opened" in peer.connection.handshake: # This field added recently, so probably has gas peer exchange
+					res = peer.pex(need_num=need_num)
+				else:
+					res = False
+			else: # No connection
+				res = peer.pex(need_num=need_num)
 			if res != False:
 				done += 1
 				added += res