From 11d70432b3f1fd13875124dd0871a262adb7232c Mon Sep 17 00:00:00 2001
From: Matthew Zipkin <pinheadmz@gmail.com>
Date: Tue, 26 Mar 2019 10:17:10 -0700
Subject: [PATCH] node-http: require filter to scan

---
 lib/node/http.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/node/http.js b/lib/node/http.js
index 98279d96..dc25f8ff 100644
--- a/lib/node/http.js
+++ b/lib/node/http.js
@@ -655,6 +655,9 @@ class HTTP extends Server {
    */
 
   async scan(socket, start) {
+    if (!socket.filter)
+      return null;
+
     await this.node.scan(start, socket.filter, (entry, txs) => {
       const block = entry.toRaw();
       const raw = [];