From fb997d43bbaaae52063be1a8890356c0faa0c365 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Thu, 23 Feb 2017 08:37:58 -0800
Subject: [PATCH] pool: increase max header chain failures.

---
 lib/net/pool.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/net/pool.js b/lib/net/pool.js
index 729dbc8c..879acbab 100644
--- a/lib/net/pool.js
+++ b/lib/net/pool.js
@@ -119,6 +119,15 @@ function Pool(options) {
 
 util.inherits(Pool, AsyncObject);
 
+/**
+ * Max number of header chain failures
+ * before disabling checkpoints.
+ * @const {Number}
+ * @default
+ */
+
+Pool.MAX_HEADER_FAILS = 500;
+
 /**
  * Initialize the pool.
  * @private
@@ -1827,7 +1836,7 @@ Pool.prototype._handleHeaders = co(function* handleHeaders(peer, packet) {
         'Peer sent a bad header chain (%s).',
         peer.hostname());
 
-      if (++this.headerFails < 4) {
+      if (++this.headerFails < Pool.MAX_HEADER_FAILS) {
         peer.destroy();
         return;
       }
@@ -1848,7 +1857,7 @@ Pool.prototype._handleHeaders = co(function* handleHeaders(peer, packet) {
           'Peer sent an invalid checkpoint (%s).',
           peer.hostname());
 
-        if (++this.headerFails < 4) {
+        if (++this.headerFails < Pool.MAX_HEADER_FAILS) {
           peer.destroy();
           return;
         }