URI: 
       tlnpeer: somewhat nicer log messages - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 00f15d491b3569549e6553b8cbb28ba8738bd39c
   DIR parent d4da4aa56cd536e1066adaf2bd2691c27c3268a0
  HTML Author: SomberNight <somber.night@protonmail.com>
       Date:   Sat,  7 Sep 2019 07:29:22 +0200
       
       lnpeer: somewhat nicer log messages
       
       Diffstat:
         M electrum/lnpeer.py                  |      28 ++++++++++++++++++----------
       
       1 file changed, 18 insertions(+), 10 deletions(-)
       ---
   DIR diff --git a/electrum/lnpeer.py b/electrum/lnpeer.py
       t@@ -1076,10 +1076,10 @@ class Peer(Logger):
                return h, node_signature, bitcoin_signature
        
            def on_update_fail_htlc(self, payload):
       -        self.logger.info("on_update_fail_htlc")
                channel_id = payload["channel_id"]
                htlc_id = int.from_bytes(payload["id"], "big")
                chan = self.channels[channel_id]
       +        self.logger.info(f"on_update_fail_htlc. chan {chan.short_channel_id}. htlc_id {htlc_id}")
                chan.receive_fail_htlc(htlc_id)
                local_ctn = chan.get_latest_ctn(LOCAL)
                asyncio.ensure_future(self._handle_error_code_from_failed_htlc(payload, channel_id, htlc_id))
       t@@ -1167,7 +1167,8 @@ class Peer(Logger):
                next_htlcs, latest_htlcs = chan.hm.get_htlcs_in_next_ctx(REMOTE), chan.hm.get_htlcs_in_latest_ctx(REMOTE)
                if next_htlcs == latest_htlcs and chan.get_next_feerate(REMOTE) == chan.get_latest_feerate(REMOTE):
                    return
       -        self.logger.info(f'send_commitment. old number htlcs: {len(latest_htlcs)}, new number htlcs: {len(next_htlcs)}')
       +        self.logger.info(f'send_commitment. chan {chan.short_channel_id}. ctn: {chan.get_next_ctn(REMOTE)}. '
       +                         f'old number htlcs: {len(latest_htlcs)}, new number htlcs: {len(next_htlcs)}')
                sig_64, htlc_sigs = chan.sign_next_commitment()
                self.send_message("commitment_signed", channel_id=chan.channel_id, signature=sig_64, num_htlcs=len(htlc_sigs), htlc_signature=b"".join(htlc_sigs))
        
       t@@ -1199,7 +1200,7 @@ class Peer(Logger):
                remote_ctn = chan.get_latest_ctn(REMOTE)
                chan.onion_keys[htlc.htlc_id] = secret_key
                self.attempted_route[(chan.channel_id, htlc.htlc_id)] = route
       -        self.logger.info(f"starting payment. route: {route}. htlc: {htlc}")
       +        self.logger.info(f"starting payment. len(route)={len(route)}. route: {route}. htlc: {htlc}")
                self.send_message("update_add_htlc",
                                  channel_id=chan.channel_id,
                                  id=htlc.htlc_id,
       t@@ -1211,6 +1212,7 @@ class Peer(Logger):
                return htlc
        
            def send_revoke_and_ack(self, chan: Channel):
       +        self.logger.info(f'send_revoke_and_ack. chan {chan.short_channel_id}. ctn: {chan.get_oldest_unrevoked_ctn(LOCAL)}')
                rev, _ = chan.revoke_current_commitment()
                self.lnworker.save_channel(chan)
                self._local_changed_events[chan.channel_id].set()
       t@@ -1222,12 +1224,17 @@ class Peer(Logger):
                self.maybe_send_commitment(chan)
        
            def on_commitment_signed(self, payload):
       -        self.logger.info("on_commitment_signed")
                channel_id = payload['channel_id']
                chan = self.channels[channel_id]
                # make sure there were changes to the ctx, otherwise the remote peer is misbehaving
       -        if (chan.hm.get_htlcs_in_next_ctx(LOCAL) == chan.hm.get_htlcs_in_latest_ctx(LOCAL)
       +        next_htlcs, latest_htlcs = chan.hm.get_htlcs_in_next_ctx(LOCAL), chan.hm.get_htlcs_in_latest_ctx(LOCAL)
       +        self.logger.info(f'on_commitment_signed. chan {chan.short_channel_id}. ctn: {chan.get_next_ctn(LOCAL)}. '
       +                         f'old number htlcs: {len(latest_htlcs)}, new number htlcs: {len(next_htlcs)}')
       +        if (next_htlcs == latest_htlcs
                        and chan.get_next_feerate(LOCAL) == chan.get_latest_feerate(LOCAL)):
       +            # TODO if feerate changed A->B->A; so there were updates but the value is identical,
       +            #      then it might be legal to send a commitment_signature
       +            #      see https://github.com/lightningnetwork/lightning-rfc/pull/618
                    raise RemoteMisbehaving('received commitment_signed without pending changes')
                # REMOTE should wait until we have revoked
                if chan.hm.is_revack_pending(LOCAL):
       t@@ -1238,10 +1245,10 @@ class Peer(Logger):
                self.send_revoke_and_ack(chan)
        
            def on_update_fulfill_htlc(self, update_fulfill_htlc_msg):
       -        self.logger.info("on_update_fulfill_htlc")
                chan = self.channels[update_fulfill_htlc_msg["channel_id"]]
                preimage = update_fulfill_htlc_msg["payment_preimage"]
                htlc_id = int.from_bytes(update_fulfill_htlc_msg["id"], "big")
       +        self.logger.info(f"on_update_fulfill_htlc. chan {chan.short_channel_id}. htlc_id {htlc_id}")
                chan.receive_htlc_settle(preimage, htlc_id)
                local_ctn = chan.get_latest_ctn(LOCAL)
                asyncio.ensure_future(self._on_update_fulfill_htlc(chan, htlc_id, preimage, local_ctn))
       t@@ -1256,15 +1263,15 @@ class Peer(Logger):
                self.logger.info(f"on_update_fail_malformed_htlc. error {payload['data'].decode('ascii')}")
        
            def on_update_add_htlc(self, payload):
       -        self.logger.info('on_update_add_htlc')
                payment_hash = payload["payment_hash"]
                channel_id = payload['channel_id']
       +        chan = self.channels[channel_id]
                htlc_id = int.from_bytes(payload["id"], 'big')
       +        self.logger.info(f"on_update_add_htlc. chan {chan.short_channel_id}. htlc_id {htlc_id}")
                cltv_expiry = int.from_bytes(payload["cltv_expiry"], 'big')
                amount_msat_htlc = int.from_bytes(payload["amount_msat"], 'big')
                onion_packet = OnionPacket.from_bytes(payload["onion_routing_packet"])
                processed_onion = process_onion_packet(onion_packet, associated_data=payment_hash, our_onion_private_key=self.privkey)
       -        chan = self.channels[channel_id]
                if chan.get_state() != "OPEN":
                    raise RemoteMisbehaving(f"received update_add_htlc while chan.get_state() != OPEN. state was {chan.get_state()}")
                if cltv_expiry >= 500_000_000:
       t@@ -1414,6 +1421,7 @@ class Peer(Logger):
                await self._fulfill_htlc(chan, htlc.htlc_id, preimage)
        
            async def _fulfill_htlc(self, chan: Channel, htlc_id: int, preimage: bytes):
       +        self.logger.info(f"_fulfill_htlc. chan {chan.short_channel_id}. htlc_id {htlc_id}")
                chan.settle_htlc(preimage, htlc_id)
                remote_ctn = chan.get_latest_ctn(REMOTE)
                self.send_message("update_fulfill_htlc",
       t@@ -1425,7 +1433,7 @@ class Peer(Logger):
        
            async def fail_htlc(self, chan: Channel, htlc_id: int, onion_packet: OnionPacket,
                                reason: OnionRoutingFailureMessage):
       -        self.logger.info(f"failing received htlc {(bh2u(chan.channel_id), htlc_id)}. reason: {reason}")
       +        self.logger.info(f"fail_htlc. chan {chan.short_channel_id}. htlc_id {htlc_id}. reason: {reason}")
                chan.fail_htlc(htlc_id)
                remote_ctn = chan.get_latest_ctn(REMOTE)
                error_packet = construct_onion_error(reason, onion_packet, our_onion_private_key=self.privkey)
       t@@ -1437,9 +1445,9 @@ class Peer(Logger):
                await self.await_remote(chan, remote_ctn)
        
            def on_revoke_and_ack(self, payload):
       -        self.logger.info("on_revoke_and_ack")
                channel_id = payload["channel_id"]
                chan = self.channels[channel_id]
       +        self.logger.info(f'on_revoke_and_ack. chan {chan.short_channel_id}. ctn: {chan.get_oldest_unrevoked_ctn(REMOTE)}')
                rev = RevokeAndAck(payload["per_commitment_secret"], payload["next_per_commitment_point"])
                chan.receive_revocation(rev)
                self._remote_changed_events[chan.channel_id].set()