From 9eb71426cb8602aaaa0be9c7f809eed78a658014 Mon Sep 17 00:00:00 2001
From: Ivan <yifanb@gmail.com>
Date: Tue, 8 Aug 2017 21:07:20 +0100
Subject: [PATCH] Fixed testnet WIF format bug

---
 src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php b/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php
index 8cce560..61da0f2 100644
--- a/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php
+++ b/src/BitcoinPHP/BitcoinECDSA/BitcoinECDSA.php
@@ -77,6 +77,18 @@ public function getNetworkPrefix()
         return $this->networkPrefix;
     }
 
+    /**
+     * Returns the current network prefix for WIF, '80' = main network, 'ef' = test network.
+     *
+     * @return string (hexa)
+     */
+    public function getPrivatePrefix(){
+        if($this->networkPrefix =='6f')
+            return 'ef';
+        else
+           return '80';
+    }
+
     /***
      * Permutation table used for Base58 encoding and decoding.
      *
@@ -825,7 +837,7 @@ public function getWif($compressed = true)
         while(strlen($k) < 64)
             $k = '0' . $k;
         
-        $secretKey  = '80' . $k;
+        $secretKey  =  $this->getPrivatePrefix() . $k;
         
         if($compressed) {
             $secretKey .= '01';