From 8745dc8b2b1061bd678ed8e7fd6de9a40b304917 Mon Sep 17 00:00:00 2001
From: garrettmills <shout@garrettmills.dev>
Date: Sat, 10 Apr 2021 20:38:25 -0500
Subject: [PATCH] Account for null chain from database

---
 src/app/units/Blockchain.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/units/Blockchain.ts b/src/app/units/Blockchain.ts
index 0a04b90..30b8105 100644
--- a/src/app/units/Blockchain.ts
+++ b/src/app/units/Blockchain.ts
@@ -190,7 +190,7 @@ export class Blockchain extends Unit {
 
         this.logging.debug({peers, chain})
 
-        this.approvedChain = chain.map((item: BlockResourceItem) => new Block(item))
+        this.approvedChain = (chain || []).map((item: BlockResourceItem) => new Block(item))
         this.peers = peers || []
     }