From 13a72e15c7e92c3f8526ebf5da1aacd7413cf025 Mon Sep 17 00:00:00 2001
From: Anton Pyrogovskyi <anton@wireleap.com>
Date: Mon, 25 Oct 2021 13:57:06 +0300
Subject: [PATCH] circuit: fix version filter logic bug

---
 circuit/circuit.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/circuit/circuit.go b/circuit/circuit.go
index 43eb990..bf6341c 100644
--- a/circuit/circuit.go
+++ b/circuit/circuit.go
@@ -20,8 +20,8 @@ type T []*relayentry.T
 // is incompatible with this wireleap.
 func (t T) Partition() (fronting T, entropic T, backing T) {
 	for _, r := range t {
-		// exclude incompatible versions
-		if r.Versions.ClientRelay != nil && r.Versions.ClientRelay.Minor != clientrelay.T.Version.Minor {
+		// exclude older protocol & incompatible relays
+		if r.Versions.ClientRelay == nil || r.Versions.ClientRelay.Minor != clientrelay.T.Version.Minor {
 			continue
 		}