From 89197ed3992d74f0de76702cd82ec32d1264dad9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Boris=20Mom=C4=8Dilovi=C4=87?= <boris@firstbeatmedia.com>
Date: Thu, 25 Mar 2021 12:44:33 +0100
Subject: [PATCH] Address: left pad (#2)

---
 src/Address.php      |  2 +-
 test/AddressTest.php | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/Address.php b/src/Address.php
index 1359a72..a3eff88 100644
--- a/src/Address.php
+++ b/src/Address.php
@@ -28,7 +28,7 @@ public function __construct(string $privateKey = '') {
     }
 
     public function getPrivateKey(): string {
-        return str_pad(gmp_strval($this->privateKey->getSecret(), 16), 64, '0');
+        return str_pad(gmp_strval($this->privateKey->getSecret(), 16), 64, '0', STR_PAD_LEFT);
     }
 
     public function getPublicKey(): string {
diff --git a/test/AddressTest.php b/test/AddressTest.php
index 5039839..ccd6604 100644
--- a/test/AddressTest.php
+++ b/test/AddressTest.php
@@ -22,6 +22,22 @@ public function testCreateFromPrivateKey(): void {
         $this->assertSame('677a637ec8f0bb2c8d33c6ace08054e521bff4b5', $address->get());
         $this->assertSame('5f65c9c32a4e38393b79ccf94913c1e5dbe7071d4264aad290d936c4bb2a7c0e3a71ebc855aaadd38f477320d54cd88e5133bfcf97bbf037252db4cd824ab902', $address->getPublicKey());
     }
+    /**
+     * @dataProvider privateKeyPading
+     */
+    public function testPrivateKeyPadding($key, $public): void {
+        $address = new Address($key);
+        $this->assertSame($public, $address->get());
+    }
+
+    public static function privateKeyPading(): array {
+        return [
+            ['93262d84237f92dc8e4409062dcc9dfc8cdc211ec32b18aa073af15841cd8440', '669d9098736e33b8a0ee0470c10357b66caac548'],
+            ['093262d84237f92dc8e4409062dcc9dfc8cdc211ec32b18aa073af15841cd844', '2c10383ae14f59415979d7c232ca2c85b62c18a9'],
+            ['07a51d7d4445c567c12639ca38e4c9fc4b12f6ec9f0aab82f98c28acaae446a3', 'f81153ba99e401149c6d028eb39fd657e474e7c0'],
+            ['7a51d7d4445c567c12639ca38e4c9fc4b12f6ec9f0aab82f98c28acaae446a30', 'f783c3bccfcc24a3731eb25b9587bf5071aab592'],
+        ];
+    }
 
     public function testThrowsNotHex(): void {
         $this->expectException(InvalidArgumentException::class);