From fc4fc9ea5c3589d41aa8a0d7001aa9c528b1e9f4 Mon Sep 17 00:00:00 2001
From: Christopher Jeffrey <chjjeffrey@gmail.com>
Date: Mon, 22 Feb 2016 15:35:17 -0800
Subject: [PATCH] improve toHex.

---
 lib/bcoin/utils.js | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/lib/bcoin/utils.js b/lib/bcoin/utils.js
index a42c60e2..afcab5af 100644
--- a/lib/bcoin/utils.js
+++ b/lib/bcoin/utils.js
@@ -14,7 +14,7 @@ var util = require('util');
  * Utils
  */
 
-function toArray(msg, enc) {
+utils.toArray = function toArray(msg, enc) {
   if (Buffer.isBuffer(msg))
     return Array.prototype.slice.call(msg);
 
@@ -62,8 +62,7 @@ function toArray(msg, enc) {
   }
 
   return res;
-}
-utils.toArray = toArray;
+};
 
 var base58 = '123456789ABCDEFGHJKLMNPQRSTUVWXYZ'
   + 'abcdefghijkmnopqrstuvwxyz';
@@ -347,15 +346,10 @@ utils.stringify = function stringify(arr) {
   return res;
 };
 
-function zero2(word) {
-  if (word.length === 1)
-    return '0' + word;
-  return word;
-}
-
-function toHex(msg) {
+utils.toHex = function toHex(msg) {
   var res = '';
   var i = 0;
+  var word;
 
   if (Buffer.isBuffer(msg))
     return msg.toString('hex');
@@ -363,13 +357,17 @@ function toHex(msg) {
   if (typeof msg === 'string')
     return msg;
 
-  for (; i < msg.length; i++)
-    res += zero2(msg[i].toString(16));
+  res = new Buffer(msg).toString('hex');
+
+  // for (; i < msg.length; i++) {
+  //   word = msg[i].toString(16);
+  //   if (word.length === 1)
+  //     word = '0' + word;
+  //   res += word;
+  // }
 
   return res;
-}
-
-utils.toHex = toHex;
+};
 
 utils.isHex = function isHex(msg) {
   return typeof msg === 'string' && /^[0-9a-f]+$/i.test(msg);