Use libsecp256k1 to sign.

Added 'Revoke' button to sent offers page.

basicswap/network.py

@@ -9,13 +9,34 @@
 TODO:
 '''
 
+import select
+import socket
+import logging
+
 
 class Peer:
     pass
 
 
 class Network:
-    def __init__(self, p2p_port, network_key):
+    def __init__(self, p2p_host, p2p_port, network_key):
+        self._p2p_host = p2p_host
         self._p2p_port = p2p_port
         self._network_key = network_key
         self._peers = []
+
+        self._max_connections = 10
+        self._running = True
+
+    def listen(self):
+        self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        self._socket.bind((self._p2p_host, self._p2p_port))
+        self._socket.listen(self._max_connections)
+
+        while self._running:
+            readable, writable, errored = select.select([self._socket], [], [])
+            for s in readable:
+                client_socket, address = self._socket.accept()
+                    read_list.append(client_socket)
+                    logging.info('Connection from %s', address)