From 36671d02ed0d4ba6d84548653c43b985fe246ace Mon Sep 17 00:00:00 2001
From: ohryan <ryanachacon@gmail.com>
Date: Fri, 17 Jul 2020 20:03:07 -0700
Subject: [PATCH] pull loop variable outside for reassignment

---
 lib/blockchain/chain.js | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/lib/blockchain/chain.js b/lib/blockchain/chain.js
index 4e5f53e8..a86e3055 100644
--- a/lib/blockchain/chain.js
+++ b/lib/blockchain/chain.js
@@ -969,24 +969,27 @@ class Chain extends AsyncEmitter {
     if (tip.height - fork.height >= this.network.nlrLimit) {
       if (this.network.nlrLimit !== 0) {
         this.logger.warning(
-          'NLR Activated. Preventing reorganization: current=%h(%d) competitor=%h(%d) fork=%h(%d) reorg_size=%d',
+    'NLR Activated. Preventing reorganization: current=%h(%d) competitor=%h(%d) fork=%h(%d) reorg_size=%d nlr=%d',
           tip.hash,
           tip.height,
           competitor.hash,
           competitor.height,
           fork.hash,
           fork.height,
-          tip.height - fork.height
+          tip.height - fork.height,
+          this.network.nlrLimit
         );
 
+        let indexWalk = competitor
+
         // mark invalid_child from tip of fork to first block of fork
-        while (competitor.height !== fork.height + 1) {
-          const previous = await this.getPrevious(competitor)
-          await this.invalidate(previous.hash)
+        while (indexWalk.height !== fork.height + 1) {
+          indexWalk = await this.getPrevious(indexWalk)
+          await this.invalidate(indexWalk.hash)
         }
 
         // check
-        assert.equal(await this.getPrevious(competitor), fork, 'nlr invalidation down to the fork')
+        assert.equal(await this.getPrevious(indexWalk), fork, 'nlr invalidation down to the fork')
 
         return true
       }