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235 commits

Author SHA1 Message Date
ThomasV
1529b07aa4 follow-up prev commit 2020-05-05 09:55:56 +02:00
ThomasV
c1b1638615 fix htlc forwarding: 
- persist fail_htlc error messages
 - do not rely on payment_hash in htlc_switch
 2020-05-05 09:23:48 +02:00
ThomasV
ab188ff375 add config variable to test update_fail_malformed_htlc 2020-05-04 20:31:44 +02:00
ThomasV
abe1bece2c remove UnknownPaymentHash (exception used as value) 2020-05-02 22:37:28 +02:00
SomberNight
8389892dbd
lnpeer: (trivial) log name for chan.state and chan.peer_state 
IntEnum.__format__ just returns an int:

>>> from enum import IntEnum
>>> class Colours(IntEnum):
...   red = 1
...   blue = 2
...
>>> var = Colours.red
>>> f"{var}"
'1'
>>> f"{var!s}"
'Colours.red'
>>> f"{var!r}"
'<Colours.red: 1>'
 2020-05-01 03:43:12 +02:00
SomberNight
6f7a4ab048
lnpeer: add get_channel_by_id, for small speed-up 2020-04-30 21:13:29 +02:00
SomberNight
b9b53e7f76
lnworker: fix threading issues for .channels attribute 
external code (commands/gui) did not always take lock when iterating lnworker.channels.
instead of exposing lock, let's take a copy internally (as with .peers)
 2020-04-30 21:08:26 +02:00
ThomasV
ef5ad5f22f extend 'add_peer', 'list_peers' commands to gossip 2020-04-16 12:39:12 +02:00
SomberNight
223b62554e
lntransport: use network proxy if available 
fixes #4824
 2020-04-15 21:44:09 +02:00
SomberNight
90cb032721
lnworker: implement exponential backoff for retries 2020-04-15 17:24:04 +02:00
ThomasV
9224404108 Move callback manager out of Network class 2020-04-14 18:29:51 +02:00
SomberNight
54e1520ee4
ln: check if chain tip is stale when receiving HTLC 
if so, don't release preimage / don't forward HTLC
 2020-04-13 17:04:27 +02:00
SomberNight
12283d625b
(trivial) rename lnchannel.channel_states to ChannelState 2020-04-13 16:02:05 +02:00
ThomasV
821431a239 lnpeer: move ping_if_required away from message_loop 
If our connection dies because we went to sleep, message_loop
will stall and ping_if_required will never be called.
 2020-04-13 11:34:58 +02:00
ThomasV
99f933401a add more logging shortcuts 2020-04-12 12:30:59 +02:00
ThomasV
74517c88ad do not use short_channel_id as state, use channel state for that. 
display it as soon as the funding tx is mined.
 2020-04-10 15:10:50 +02:00
ThomasV
8f41aeb783 Replace wallet backup with channel backups 
- channels can be backed up individually
 - backups are added to lnwatcher
 - AbstractChannel ancestor class
 2020-04-10 14:45:23 +02:00
ThomasV
d2a58a2ec3 lnpeer: do not assume our privkey is the same as lnworker's privkey. 2020-04-06 19:06:27 +02:00
ThomasV
f3995350e8 localconfig: rename seed to channel_seed 2020-04-06 16:53:48 +02:00
ThomasV
0ea21c59d2 Save channel seed in localconfig 2020-04-04 13:28:19 +02:00
SomberNight
1be0a710c3
ln: implement option payment_secret 2020-04-01 21:49:12 +02:00
SomberNight
d424487814
lnpeer: better error handling when processing onion packets 2020-04-01 21:47:45 +02:00
SomberNight
30bf32b34b
use option varonion: actually use TLV payloads, and signal support 2020-04-01 21:47:42 +02:00
SomberNight
a66437f399
lnonion: implement basis of varonion support 2020-04-01 21:42:48 +02:00
SomberNight
6ba08cc8d4
ln feature bits: flatten namespaces, and impl feature deps and ctxs 
This implements:
- flat feature bits https://github.com/lightningnetwork/lightning-rfc/pull/666
- feature bit dependencies https://github.com/lightningnetwork/lightning-rfc/pull/719
 2020-04-01 21:41:24 +02:00
SomberNight
71a4302ec0
lnpeer: send and handle "networks" param in "init" msg 2020-04-01 21:40:09 +02:00
SomberNight
3a73f6ee5c
lnmsg.decode_msg: dict values for numbers are int, instead of BE bytes 
Will be useful for TLVs where it makes sense to do the conversion in lnmsg,
as it might be more complicated than just int.from_bytes().
 2020-04-01 21:39:52 +02:00
SomberNight
4c10a830f3
lnmsg: rewrite LN msg encoding/decoding 2020-04-01 21:39:48 +02:00
SomberNight
db84de5493
trivial: use "chunks()" for htlc_sigs in lnchannel 2020-03-30 02:46:25 +02:00
SomberNight
90f3b667aa
small clean-up re max CLTV delta for LN 2020-03-30 02:46:14 +02:00
SomberNight
01207316aa
storage upgrade: move "htlc_minimum_msat" to base channel config 2020-03-26 09:05:04 +01:00
SomberNight
cf5872d2c1
follow-up prev 2020-03-17 21:19:26 +01:00
SomberNight
2cc76fbbbd
lnworker: fix type error re pending_payments, and impl malformed htlcs 
In old code, in lnpeer.htlc_switch(), "error" in lnworker.pending_payments
had incorrect type.

TODO: we need tests for payment failures...
 2020-03-17 20:32:38 +01:00
SomberNight
b524460fdf
lnpeer: implement basic handling of "update_fail_malformed_htlc" 2020-03-17 20:31:50 +01:00
ThomasV
ffa3760a17 follow-up prev: rm decorator, preprocess channel_id for all messages 2020-03-11 17:02:44 +01:00
ThomasV
386d385389 lnpeer: channel_update decorator 2020-03-11 14:17:06 +01:00
ThomasV
2c617c3b00 move feerate warning to lnpeer 2020-03-06 18:14:00 +01:00
ThomasV
888a6d726e Propagate exceptions raise by force_close to the GUI. 
Define 'try_force_closing' for cases where we do not
want exceptions to be raised.
 2020-03-06 12:18:33 +01:00
ThomasV
28452e2d46 do not try to reestablish channel if state is FORCE_CLOSING 2020-03-06 11:25:34 +01:00
SomberNight
fa0ef9c548
ln: store network addresses for channel counterparties in channels 
So we can reconnect to them without relying on gossip db.
 2020-03-06 04:04:17 +01:00
ThomasV
8f3fcdd1a8 Fix detection of payments. 
1. In lnhtlc, sent_in_ctn and failed_in_ctn need to look at the
remote ctx, and they need to be called when we receive a revocation,
not when we send one.

2. In lnchannel, we use 3 lnworker callbacks:
   - payment sent/payment failed (called when we receive a revocation)
   - payment received (called when we send a revocation)

3. Make revoke_current_commitment return a single value.
The second value was only used in tests, there is no need
to bloat the code with that
 2020-03-05 07:03:09 +01:00
ThomasV
b9eaba3e85 replace await_local/remote 2020-03-05 07:03:09 +01:00
ThomasV
4c177c4c92 less verbose update_fee log 2020-03-04 08:35:56 +01:00
ThomasV
79497cd3ec (minor) rm unneeded decorator 2020-03-02 21:45:45 +01:00
ThomasV
97d191a121 maybe_forward_htlc: catch exceptions raised by nexp_peer. return only error 2020-03-02 21:18:56 +01:00
ThomasV
f801307a08 move htlc_switch task to lnpeer 2020-03-02 15:41:50 +01:00
ThomasV
5d3bca7bb8 htlc_switch: decouple maybe_send_commitment from htlc processing 2020-03-02 15:08:12 +01:00
ThomasV
cfc20845a2 lnworker: dissociate htlc forwarding and fulfillment 2020-03-02 11:54:08 +01:00
ThomasV
09675bd911 make maybe_fulfill_htlc, maybe_forward_htlc synchronous. 
move async operations to lnworker.htlc_switch
 2020-03-02 11:19:04 +01:00
ThomasV
d827aedd16 lnpeer: do not drop channel updates if cannot send 2020-03-02 11:19:04 +01:00