From 5b524da80be6becbf6d4da7992c3be3e551431a6 Mon Sep 17 00:00:00 2001
From: Michael FIG <mfig@agoric.com>
Date: Tue, 13 Apr 2021 10:53:15 -0600
Subject: [PATCH] fix: genesis has height 0, so properly detect the first block

---
 packages/cosmic-swingset/lib/launch-chain.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/cosmic-swingset/lib/launch-chain.js b/packages/cosmic-swingset/lib/launch-chain.js
index 7f12bd979dd..57f0196ebb4 100644
--- a/packages/cosmic-swingset/lib/launch-chain.js
+++ b/packages/cosmic-swingset/lib/launch-chain.js
@@ -201,9 +201,9 @@ export async function launch(
   }
 
   const [savedHeight, savedActions, savedChainSends] = JSON.parse(
-    storage.get(SWING_STORE_META_KEY) || '[0, [], []]',
+    storage.get(SWING_STORE_META_KEY) || '[-1, [], []]',
   );
-  firstBlock = savedHeight === 0;
+  firstBlock = savedHeight < 0;
 
   return {
     deliverInbound,