Merge pull request #31 from pxgamer/feature/blacklist-addresses

Add support for blacklisting addresses

include/Blacklist.php

@@ -17,6 +17,15 @@ final class Blacklist
         // phpcs:enable
     ];
 
+    /**
+     * The official list of blacklisted addresses
+     */
+    public const ADDRESSES = [
+        // phpcs:disable Generic.Files.LineLength
+        'xuzyMbEGA1tmx1o7mcxSXf2nXuuV1GtKbA4sAqjcNq2gh3shuhwBT5nJHez9AynCaxpJwL6dpkavmZBA3JkrMkg' => 'Octaex Exchange',
+        // phpcs:enable
+    ];
+
     /**
      * Check if a public key is blacklisted
      *
@@ -27,4 +36,15 @@ final class Blacklist
     {
         return key_exists($publicKey, static::PUBLIC_KEYS);
     }
+
+    /**
+     * Check if an address is blacklisted
+     *
+     * @param string $address
+     * @return bool
+     */
+    public static function checkAddress(string $address): bool
+    {
+        return key_exists($address, static::ADDRESSES);
+    }
 }

include/transaction.inc.php

@@ -227,7 +227,7 @@ class Transaction
         }
         
         if ($_config['use_official_blacklist']!==false) {
-            if (Blacklist::checkPublicKey($x['public_key'])) {
+            if (Blacklist::checkPublicKey($x['public_key']) || Blacklist::checkAddress($x['src'])) {
                 return true;
             }
         }