From 9fd4bba8aaef4f6bd2dbff65986d084a38bcdfc4 Mon Sep 17 00:00:00 2001
From: Sina Mahmoodi <itz.s1na@gmail.com>
Date: Thu, 3 Jan 2019 10:32:39 +0100
Subject: [PATCH] Fix levelup NotFoundError handling

Signed-off-by: Sina Mahmoodi <itz.s1na@gmail.com>
---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index e6e367e..ede3e57 100644
--- a/index.js
+++ b/index.js
@@ -939,7 +939,7 @@ Blockchain.prototype._iterator = function (name, func, cb) {
       } else {
         blockNumber = false
         // No more blocks, return
-        if (err instanceof level.errors.NotFoundError) {
+        if (err.type === 'NotFoundError') {
           return cb2()
         }
       }