From faa96e6a6210a46635572bd584afefb9e31a059c Mon Sep 17 00:00:00 2001
From: Alex Grintsvayg <git@grin.io>
Date: Tue, 24 Apr 2018 17:19:16 -0400
Subject: [PATCH] dht quirk

---
 dht/message.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dht/message.go b/dht/message.go
index 748b296..d693928 100644
--- a/dht/message.go
+++ b/dht/message.go
@@ -90,6 +90,8 @@ func (r Request) MarshalBencode() ([]byte, error) {
 		args = r.StoreArgs
 	} else if r.Arg != nil {
 		args = []Bitmap{*r.Arg}
+	} else {
+		args = []string{} // request must always have keys 0-4, so we use an empty list for PING
 	}
 	return bencode.EncodeBytes(map[string]interface{}{
 		headerTypeField:      requestType,