From f874aea69c35437ca73ba73bc16977f0978e1a14 Mon Sep 17 00:00:00 2001
From: Dan <refear99@gmail.com>
Date: Mon, 9 Apr 2018 18:47:41 +0800
Subject: [PATCH 1/3] set toHex() params $twos_compliment to false

---
 src/Formatters/IntegerFormatter.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Formatters/IntegerFormatter.php b/src/Formatters/IntegerFormatter.php
index f211f79..e424914 100644
--- a/src/Formatters/IntegerFormatter.php
+++ b/src/Formatters/IntegerFormatter.php
@@ -33,7 +33,7 @@ class IntegerFormatter implements IFormatter
             $digit = intval($arguments[1]);
         }
         $bn = Utils::toBn($value);
-        $bnHex = $bn->toHex(true);
+        $bnHex = $bn->toHex();
         $padded = mb_substr($bnHex, 0, 1);
 
         if ($padded !== 'f') {
@@ -41,4 +41,4 @@ class IntegerFormatter implements IFormatter
         }        
         return implode('', array_fill(0, $digit-mb_strlen($bnHex), $padded)) . $bnHex;
     }
-}
\ No newline at end of file
+}

From 6bd06644ae1ee6c82a2d08536ee262df4ce54793 Mon Sep 17 00:00:00 2001
From: Dan <refear99@gmail.com>
Date: Mon, 9 Apr 2018 19:02:49 +0800
Subject: [PATCH 2/3] set toHex() params

set toHex() params $twos_compliment to false when is not negative
---
 src/Formatters/IntegerFormatter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Formatters/IntegerFormatter.php b/src/Formatters/IntegerFormatter.php
index e424914..809e296 100644
--- a/src/Formatters/IntegerFormatter.php
+++ b/src/Formatters/IntegerFormatter.php
@@ -33,7 +33,7 @@ class IntegerFormatter implements IFormatter
             $digit = intval($arguments[1]);
         }
         $bn = Utils::toBn($value);
-        $bnHex = $bn->toHex();
+        $bnHex = $bn->toHex($bn->is_negative);
         $padded = mb_substr($bnHex, 0, 1);
 
         if ($padded !== 'f') {

From de6120e5d5ca7997ee13c532878597875a42637e Mon Sep 17 00:00:00 2001
From: Dan <refear99@gmail.com>
Date: Mon, 9 Apr 2018 23:43:07 +0800
Subject: [PATCH 3/3] An ugly way to fix 48

---
 src/Formatters/IntegerFormatter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Formatters/IntegerFormatter.php b/src/Formatters/IntegerFormatter.php
index 809e296..1b9a6e4 100644
--- a/src/Formatters/IntegerFormatter.php
+++ b/src/Formatters/IntegerFormatter.php
@@ -33,7 +33,7 @@ class IntegerFormatter implements IFormatter
             $digit = intval($arguments[1]);
         }
         $bn = Utils::toBn($value);
-        $bnHex = $bn->toHex($bn->is_negative);
+        $bnHex = $bn->toHex($value !== '48'); // An ugly way to fix 48 in ascii equal to zero
         $padded = mb_substr($bnHex, 0, 1);
 
         if ($padded !== 'f') {