add licence headers to more files

electrum/lnbase.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
-"""
-  Lightning network interface for Electrum
-  Derived from https://gist.github.com/AdamISZ/046d05c156aaeb56cc897f85eecb3eb8
-"""
+#
+# Copyright (C) 2018 The Electrum developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENCE or http://www.opensource.org/licenses/mit-license.php
 
 from collections import OrderedDict, defaultdict
 import json

electrum/lntransport.py

@@ -1,3 +1,10 @@
+# Copyright (C) 2018 Adam Gibson (waxwing)
+# Copyright (C) 2018 The Electrum developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENCE or http://www.opensource.org/licenses/mit-license.php
+
+# Derived from https://gist.github.com/AdamISZ/046d05c156aaeb56cc897f85eecb3eb8
+
 import hashlib
 from asyncio import StreamReader, StreamWriter
 

electrum/lnutil.py

@@ -1,3 +1,7 @@
+# Copyright (C) 2018 The Electrum developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENCE or http://www.opensource.org/licenses/mit-license.php
+
 from enum import IntFlag, IntEnum
 import json
 from collections import namedtuple

electrum/lnwatcher.py

@@ -1,3 +1,7 @@
+# Copyright (C) 2018 The Electrum developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENCE or http://www.opensource.org/licenses/mit-license.php
+
 import threading
 from typing import NamedTuple, Iterable, TYPE_CHECKING
 import os

electrum/lnworker.py

@@ -1,3 +1,7 @@
+# Copyright (C) 2018 The Electrum developers
+# Distributed under the MIT software license, see the accompanying
+# file LICENCE or http://www.opensource.org/licenses/mit-license.php
+
 import asyncio
 import os
 from decimal import Decimal