lnbase: print exceptions from main_loop

lib/lnbase.py

@@ -4,6 +4,7 @@
   Derived from https://gist.github.com/AdamISZ/046d05c156aaeb56cc897f85eecb3eb8
 """
 
+import traceback
 import itertools
 import json
 from collections import OrderedDict
@@ -332,6 +333,7 @@ class Peer(PrintError):
     #    self.send_message(gen_msg('open_channel', funding_satoshis=funding_sat, push_msat=push_msat))
 
     async def main_loop(self):
+        try:
             self.reader, self.writer = await asyncio.open_connection(self.host, self.port)
             await self.handshake()
             # send init
@@ -346,6 +348,8 @@ class Peer(PrintError):
                 self.ping_if_required()
                 msg = await self.read_message()
                 self.process_message(msg)
+        except:
+            traceback.print_exc()
         # close socket
         self.print_error('closing lnbase')
         self.writer.close()