From 2caadc44954f91b5d6f1314e76fff00d5b7fdf38 Mon Sep 17 00:00:00 2001
From: Alexandre Van de Sande <alex.vandesande@ethdev.com>
Date: Thu, 25 Feb 2016 11:10:43 -0300
Subject: [PATCH] solve travis test issues

---
 lib/utils/utils.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/utils/utils.js b/lib/utils/utils.js
index fe67d93..43c2203 100644
--- a/lib/utils/utils.js
+++ b/lib/utils/utils.js
@@ -35,6 +35,7 @@
 
 
 var BigNumber = require('bignumber.js');
+var sha3 = require('sha3.js');
 var utf8 = require('utf8');
 
 var unitMap = {
@@ -421,11 +422,11 @@ var isAddress = function (address) {
 var isChecksumAddress = function (address) {    
     // Check each case
     address = address.replace('0x','');
-    var addressHash = web3.sha3(address.toLowerCase());
+    var addressHash = sha3(address.toLowerCase());
 
     for (var i = 0; i < 40; i++ ) { 
         // the nth letter should be uppercase if the nth digit of casemap is 1
-        if ((parseInt(addressHash[i], 16) > 7 && address[i].toUpperCase() != address[i]) || (parseInt(addressHash[i], 16) <= 7 && address[i].toLowerCase() != address[i])) {
+        if ((parseInt(addressHash[i], 16) > 7 && address[i].toUpperCase() !== address[i]) || (parseInt(addressHash[i], 16) <= 7 && address[i].toLowerCase() !== address[i])) {
             return false;
         }
     }
@@ -442,10 +443,10 @@ var isChecksumAddress = function (address) {
  * @return {String}
 */
 var toChecksumAddress = function (address) { 
-    if (typeof address == 'undefined') return '';
+    if (typeof address === 'undefined') return '';
 
     address = address.toLowerCase().replace('0x','');
-    var addressHash = web3.sha3(address);
+    var addressHash = sha3(address);
     var checksumAddress = '0x';
 
     for (var i = 0; i < address.length; i++ ) {