From 92d95c552c9900669e086af4f6475d01574054e8 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Mon, 16 May 2016 02:41:52 -0700
Subject: [PATCH] minor optimizations.

---
 lib/bcoin/hd.js    | 2 +-
 lib/bcoin/utils.js | 4 ++--
 test/chain-test.js | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/bcoin/hd.js b/lib/bcoin/hd.js
index bad0237d..a7817636 100644
--- a/lib/bcoin/hd.js
+++ b/lib/bcoin/hd.js
@@ -178,8 +178,8 @@ Mnemonic.prototype.createMnemonic = function createMnemonic() {
     word = 0;
     for (j = 0; j < 11; j++) {
       i++;
-      oct = i / 8 | 0;
       bit = i % 8;
+      oct = (i - bit) / 8;
       word <<= 1;
       word |= (entropy[oct] >>> (7 - bit)) & 1;
     }
diff --git a/lib/bcoin/utils.js b/lib/bcoin/utils.js
index cb47a254..94b57d8c 100644
--- a/lib/bcoin/utils.js
+++ b/lib/bcoin/utils.js
@@ -1673,8 +1673,8 @@ utils.write64N = function write64N(dst, num, off, be) {
 
   assert(num <= utils.MAX_SAFE_INTEGER, 'Number exceeds 2^53-1');
 
-  hi = num / 0x100000000 | 0;
   lo = num % 0x100000000;
+  hi = (num - lo) / 0x100000000;
 
   if (negative) {
     hi = ~hi >>> 0;
@@ -1793,7 +1793,7 @@ utils.read64N = function read64N(data, off, force53, be) {
 
   assert((hi & 0xffe00000) === 0, 'Number exceeds 2^53-1');
 
-  return (hi * 0x100000000) + lo;
+  return hi * 0x100000000 + lo;
 };
 
 /**
diff --git a/test/chain-test.js b/test/chain-test.js
index 01f739c4..efa2c371 100644
--- a/test/chain-test.js
+++ b/test/chain-test.js
@@ -162,7 +162,7 @@ describe('Chain', function() {
     });
   });
 
-  it('should fail to mine a block with coins on a side chain', function(cb) {
+  it('should fail to mine a block with coins on an alternate chain', function(cb) {
     mineBlock(null, cb1, function(err, block) {
       assert.ifError(err);
       deleteCoins(block.txs);