From bc034d95a3ade10252b151a3ecfd525d75fcba2d Mon Sep 17 00:00:00 2001
From: ansuz <ansuz@transitiontech.ca>
Date: Thu, 12 Mar 2020 11:13:23 -0400
Subject: [PATCH] enforce asynchrony in 'gethistoryOffset'

---
 lib/hk-util.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/hk-util.js b/lib/hk-util.js
index 3f0aed360..cb9e9b8ef 100644
--- a/lib/hk-util.js
+++ b/lib/hk-util.js
@@ -436,7 +436,8 @@ const storeMessage = function (Env, channel, msg, isCp, optionalMessageHash) {
       * -1 if you didn't find it
 
 */
-const getHistoryOffset = (Env, channelName, lastKnownHash, cb) => {
+const getHistoryOffset = (Env, channelName, lastKnownHash, _cb) => {
+    const cb = Util.once(Util.mkAsync(_cb));
     const store = Env.store;
     const Log = Env.Log;