From 9e46334d2747907a6d4fcac36e047ad684137bdd Mon Sep 17 00:00:00 2001
From: Manuel Araoz <manuelaraoz@gmail.com>
Date: Wed, 11 Jun 2014 18:15:26 -0300
Subject: [PATCH] wierdest way of fixing the problem

---
 lib/HierarchicalKey.js       |  5 ++++-
 test/test.HierarchicalKey.js | 16 ++++++++++------
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/lib/HierarchicalKey.js b/lib/HierarchicalKey.js
index 4f45afb..393c3b1 100644
--- a/lib/HierarchicalKey.js
+++ b/lib/HierarchicalKey.js
@@ -157,6 +157,8 @@ HierarchicalKey.prototype.buildExtendedPublicKey = function() {
     this.chainCode,
     this.eckey.public
   ]);
+  var x = this.extendedPublicKey.toString('hex');
+  console.log(x);
 }
 
 HierarchicalKey.prototype.extendedPublicKeyString = function(format) {
@@ -228,8 +230,9 @@ HierarchicalKey.prototype.derive = function(path) {
     var usePrivate = (c.length > 1) && (c[c.length-1] == '\'');
     var childIndex = parseInt(usePrivate ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
 
-    if (usePrivate)
+    if (usePrivate) {
       childIndex += 0x80000000;
+    }
 
     hkey = hkey.deriveChild(childIndex);
   }
diff --git a/test/test.HierarchicalKey.js b/test/test.HierarchicalKey.js
index bd33530..7a52816 100644
--- a/test/test.HierarchicalKey.js
+++ b/test/test.HierarchicalKey.js
@@ -307,13 +307,17 @@ describe('HierarchicalKey', function() {
   });
 
   describe('derivation in linux', function() {
-    it('should not be non-deterministic', function(){
+    it.only('should not be non-deterministic', function(){
+      var hp = 'm/45\'';
+      var sp = 'm/45';
+
       var hk = new HierarchicalKey('tprv8ZgxMBicQKsPdSF1avR6mXyDj5Uv1XY2UyUHSDpAXQ5TvPN7prGeDppjy4562rBB9gMMAhRfFdJrNDpQ4t69kkqHNEEen3PX1zBJqSehJDH');
-      console.log(hk.derive('m/45/0/0/0').extendedPrivateKeyString());
-      console.log(hk.derive('m/45/0/0/0').extendedPrivateKeyString());
-      console.log(hk.derive('m/45\'/0/0/0').extendedPrivateKeyString());
-      console.log(hk.derive('m/45\'/0/0/0').extendedPrivateKeyString());
-      hk.derive('m/45\'/0/0/0').extendedPrivateKeyString().should.equal(hk.derive('m/45\'/0/0/0').extendedPrivateKeyString());
+      hk.derive(sp).extendedPrivateKeyString().should.equal(
+        'tprv8cSDV3fVD6wqGoLKykTPhRwWLiwD6WBHvYHYkFvp8PJvApm7HCfY9HH9P6Q6iPaCGNsU3LEqh7iJMN7478TqjkLFnf71f9zBXXd7XoiL7dw');
+      hk.derive(sp).extendedPrivateKeyString().should.equal(hk.derive(sp).extendedPrivateKeyString());
+      hk.derive(hp).extendedPrivateKeyString().should.equal(hk.derive(hp).extendedPrivateKeyString());
+      hk.derive(hp).extendedPrivateKeyString().should.equal(
+        'tprv8cSDV3fdYmUoTNGu4xRTm6qh3DPrNxPZzukM5FPdWoa9m22ALFJVGbjnU7J4TC5t3MJp293GtZWssAPuV1PNWGjXavQTnXy9xW6Lee2X6rd');
     });
   });