From 533195c884de6511c487dfe7bb9dabfa4f76c38c Mon Sep 17 00:00:00 2001
From: Raymond Fallon <git@niclic.com>
Date: Tue, 26 May 2020 22:40:09 -0400
Subject: [PATCH] Exclude expires if value is zero.

  - value must be a positive integer.
---
 federation.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/federation.go b/federation.go
index 067c5c8..df74b78 100644
--- a/federation.go
+++ b/federation.go
@@ -8,7 +8,7 @@ import (
 // that will be used by federation links.
 type FederationDefinition struct {
 	Uri            string `json:"uri"`
-	Expires        int    `json:"expires"`
+	Expires        int    `json:"expires,omitempty"`
 	MessageTTL     int32  `json:"message-ttl"`
 	MaxHops        int    `json:"max-hops"`
 	PrefetchCount  int    `json:"prefetch-count"`