Use code contracts.

[NovacoinLibrary.git] / Novacoin / CKeyID.cs

diff --git a/Novacoin/CKeyID.cs b/Novacoin/CKeyID.cs
index ea8e561..d7130a8 100644 (file)
--- a/Novacoin/CKeyID.cs
+++ b/Novacoin/CKeyID.cs
@@ -1,20 +1,23 @@
 \feff/**
- *  Novacoin classes library
- *  Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
+*  Novacoin classes library
+*  Copyright (C) 2015 Alex D. (balthazar.ad@gmail.com)
 
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU Affero General Public License as
- *  published by the Free Software Foundation, either version 3 of the
- *  License, or (at your option) any later version.
+*  This program is free software: you can redistribute it and/or modify
+*  it under the terms of the GNU Affero General Public License as
+*  published by the Free Software Foundation, either version 3 of the
+*  License, or (at your option) any later version.
 
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU Affero General Public License for more details.
+*  This program is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU Affero General Public License for more details.
 
- *  You should have received a copy of the GNU Affero General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
+*  You should have received a copy of the GNU Affero General Public License
+*  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+using System;
+using System.Diagnostics.Contracts;
 
 namespace Novacoin
 {
@@ -27,6 +30,8 @@ namespace Novacoin
 
         internal CKeyID(byte[] hashBytes)
         {
+            Contract.Requires<ArgumentException>(hashBytes.Length == 20, "Your data doesn't seem like a hash160 of some value.");
+
             _hashBytes = hashBytes;
         }