From e07186df0770efe0160292e37d0cb39efd4fb99b Mon Sep 17 00:00:00 2001
From: Brandon Roberts <brandon@bxroberts.org>
Date: Sat, 20 Jun 2015 14:26:01 -0700
Subject: [PATCH] remove unnecessary filtering code

---
 lib/privatekey.js | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/lib/privatekey.js b/lib/privatekey.js
index 2f56072..dfd4638 100644
--- a/lib/privatekey.js
+++ b/lib/privatekey.js
@@ -158,17 +158,10 @@ PrivateKey._transformBuffer = function(buf, network) {
 
   info.network = Networks.get(buf[0], 'privatekey');
 
-  var allNetworks = Networks.all();
-  var matches = _.filter( allNetworks, function( network) {
-    return buf[0] === network.privatekey;
-  });
-
-  if (matches.length !== 1) {
+  if (!info.network) {
     throw new Error('Invalid network');
   }
 
-  info.network = matches[0];
-
   if (network && info.network !== Networks.get(network)) {
     throw new TypeError('Private key network mismatch');
   }