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117 commits

Author SHA1 Message Date
SomberNight
7498271927
follow-up prev: htlc direction madness 
Sometimes direction was relative sometimes absolute... ?!
No. Make it always relative (to subject).
 2020-03-28 16:29:39 +01:00
SomberNight
5b7ce98ab2
lnchannel: fix included_htlcs 2020-03-27 19:06:30 +01:00
SomberNight
3ed6afce64
lnchannel: implement freezing channels (for receiving) 
A bit weird, I know... :)
It allows for rebalancing our own channels! :P
 2020-03-26 09:05:15 +01:00
SomberNight
5c8455d00b
lnchannel: when adding HTLCs, run checks for both directions 2020-03-26 09:05:08 +01:00
SomberNight
53c6fc8cf1
lnchannel: test for max htlc value (needs to be below protocol maximum) 2020-03-26 09:05:00 +01:00
SomberNight
777e350fae
lnchannel: partly fix available_to_spend 
we were looking at inconsistent ctns
and we were looking at the wrong subject's ctx

all the FIXMEs and TODOs here will still warrant some attention.

(note that test_DesyncHTLCs was passing incorrectly:
the "assertRaises" was catching a different exception)
 2020-03-26 09:04:55 +01:00
SomberNight
deb50e7ec3
lnchannel: implement "freezing" channels (for sending) 
and expose it in Qt GUI
 2020-03-26 03:32:44 +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
SomberNight
ea0981ebeb
lnutil.UpdateAddHtlc: use attrs instead of old-style namedtuple 2020-03-17 20:31:11 +01:00
ThomasV
5bac2fea98 Qt: improve channel details window 2020-03-12 12:40:50 +01:00
ThomasV
fe2b40b83d Fix #6021: Do not transition channel state to CLOSED if tx is unconfirmed. 2020-03-11 11:49:53 +01:00
ThomasV
05a191cc6a (minor) simplification 2020-03-09 19:10:03 +01:00
ThomasV
3c111471e9 Fix bug with save_funding_height, save_closing_height 
(it would enter a state where only closing_height was saved)
 2020-03-07 10:39:49 +01:00
SomberNight
5b23d5ee97
lnchannel/lnhtlc: speed up balance calculation for recent ctns 
Move the balance calculation from lnchannel to lnhtlc.
Maintain a running balance in lnhtlc that is coupled with _maybe_active_htlc_ids
for practicality reasons.
 2020-03-07 05:05:05 +01:00
SomberNight
ec7473789e
lnhtlc: speed-up methods for recent ctns 
we maintain a set of interesting htlc_ids
 2020-03-06 21:54:05 +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
15fb8c0415 allow transition from FORCE_CLOSING to REDEEMED. define REDEEM_AFTER_DOUBLE_SPENT_DELAY 2020-03-06 11:40:08 +01:00
ThomasV
28452e2d46 do not try to reestablish channel if state is FORCE_CLOSING 2020-03-06 11:25:34 +01:00
ThomasV
eaf4810220 (minor) fix typo 2020-03-06 09:59:43 +01:00
ThomasV
34e236c9b6 CLI: show channel reserves and unsettled balances. fixes #5817 2020-03-06 09:57:37 +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
cfc20845a2 lnworker: dissociate htlc forwarding and fulfillment 2020-03-02 11:54:08 +01:00
ThomasV
da67fda92a HTLC switch: 
- fulfills/fails/forwards HTLCs
- onion_packets are saved when update_add_htlc is received
 2020-03-02 11:19:04 +01:00
ThomasV
34400c0710 Set channel state to OPENING as soon as we receive 'funding_signed', 
instead of when the funding transaction has been broadcast, because
we have no reliable way to know when it will be broadcast.
 2020-02-27 18:12:20 +01:00
ThomasV
f5053cc242 follow-up e54c69b861: we must settle HTCLs after during shutdown 2020-02-27 14:40:58 +01:00
SomberNight
e54c69b861
add lnchannel.can_send_ctx_updates. just drop illegal updates for now 2020-02-26 20:35:46 +01:00
ThomasV
87fe2c7d7a define channel.has_pending_changes method 2020-02-26 19:08:48 +01:00
ThomasV
1c5dc79298 shutdown: 
- resend shutdown on reestablish
 - wait until no more pending updates before sending shutdown
 2020-02-26 16:06:28 +01:00
ThomasV
e85fb25146 lnpeer: verify signature in closing_signed 2020-02-26 12:58:40 +01:00
ThomasV
2927478192 lnpeer: closing fee negociation: 
- use fee_rate from config
 - set upper bound on fee
 - add test_close to test_lnpeer
 2020-02-25 15:23:15 +01:00
SomberNight
931d961721
lnpeer/lnwatcher: include channel id in log lines 2020-02-24 16:32:18 +01:00
ThomasV
7908f4b203 follow-up previous commit 2020-02-24 13:02:11 +01:00
ThomasV
5785c2fa2f Fix #5975: Forget or redeem channels that are never funded. 
- initiator: wait until double spent
 - non-initiator: wait until timeout
 2020-02-24 12:45:10 +01:00
ThomasV
20d8da7e24 db upgrade: store channel tx height and timestamps in 'channels' 2020-02-24 10:07:55 +01:00
ThomasV
54ef6db762 do not try to reestablish channels in PREOPENING state (per BOLT2). 2020-02-23 14:54:04 +01:00
ThomasV
7771daf94e qt: add menu item to view closing transaction of channel 2020-02-22 12:28:07 +01:00
ThomasV
938d918e55 sweep_ctx: do not log if channel was not force closed 2020-02-22 09:27:34 +01:00
ThomasV
2255b07157 support option_static_remotekey 2020-02-20 21:02:01 +01:00
ThomasV
238fb46d87 Lightning: Show sending and receiving capacity. Fixes #5967 2020-02-19 16:11:55 +01:00
ThomasV
e05cd2006a fix get_payments 2020-02-18 17:40:13 +01:00
SomberNight
46d8080c76
ln gossip: don't put own channels into db; always pass them to fn calls 
Previously we would put fake chan announcement and fake outgoing chan upd
for own channels into db (to make path finding work). See Peer.add_own_channel().
Now, instead of above, we pass a "my_channels" param to the relevant ChannelDB methods.
 2020-02-17 20:38:41 +01:00
ThomasV
472c0defee fix lnchannel.get_payments: unsettled htlcs may have overwritten the returned results. 2020-02-17 12:19:18 +01:00
ThomasV
938fab86d1 detect redeemed channels (fix #5963) 2020-02-16 19:07:20 +01:00
SomberNight
a6e3a244e8
add comment re lnchannel channel_states 2020-02-14 16:15:25 +01:00
ThomasV
2a7b5081c9 channel states: make sure that closing_txid is saved if channel is closed 2020-02-14 13:25:04 +01:00
ThomasV
beee880dba fix data_loss_protect (missing return, json conversion) 2020-02-12 14:19:31 +01:00
ThomasV
9ccfa318f8 add new peer_state for the case where we are waiting for the remote party to force close a channel 2020-02-11 20:55:52 +01:00