updated license info in files containing it

coin.h

@@ -1,7 +1,7 @@
 // Copyright (c) 2018 The Bitcoin developers
-// Copyright (c) 2018-2019 The Hush developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The Hush developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 #ifndef __INCLUDED_COIN_H__
 #define __INCLUDED_COIN_H__

compat.h

@@ -1,7 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The Hush developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 #ifndef _BITCOIN_COMPAT_H
 #define _BITCOIN_COMPAT_H 1
 

netbase.cpp

@@ -1,7 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The Hush developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 #include "netbase.h"
 #include "util.h"

netbase.h

@@ -1,6 +1,7 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The Hush developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 #ifndef BITCOIN_NETBASE_H
 #define BITCOIN_NETBASE_H
 

protocol.cpp

@@ -1,8 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
-// Copyright (c) 2018 The HUSH developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The HUSH developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 #include <vector>
 #include <stdexcept>

protocol.h

@@ -1,8 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
-// Copyright (c) 2018 The HUSH developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The HUSH developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 
 #ifndef __cplusplus
 # error This header can only be compiled as C++.

serialize.h

@@ -1,8 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
-// Copyright (c) 2018 The HUSH developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The HUSH developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 #ifndef BITCOIN_SERIALIZE_H
 #define BITCOIN_SERIALIZE_H
 

uint256.h

@@ -1,7 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// Copyright (c) 2018-2021 The Hush developers
+// Distributed under the GPLv3 software license, see the accompanying
+// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
 #ifndef BITCOIN_UINT256_H
 #define BITCOIN_UINT256_H