From 2c31d7f1b0a456c4c3c38cea9fc552d1b0f5d78f Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Wed, 5 Oct 2016 20:05:29 -0700
Subject: [PATCH] miner: update block header during hashing.

---
 lib/miner/minerblock.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/miner/minerblock.js b/lib/miner/minerblock.js
index c469b0db..d77c3350 100644
--- a/lib/miner/minerblock.js
+++ b/lib/miner/minerblock.js
@@ -314,13 +314,13 @@ MinerBlock.prototype.findNonce = function findNonce() {
 MinerBlock.prototype.findNonceAsync = co(function* findNonceAsync() {
   var block = this.block;
   var target = this.target;
-  var data = block.abbr();
   var interval = MinerBlock.INTERVAL;
   var min = 0;
   var max = interval;
-  var nonce;
+  var data, nonce;
 
   while (max <= 0xffffffff) {
+    data = block.abbr();
     nonce = yield workers.pool.mine(data, target, min, max);
 
     if (this.destroyed)