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1acc1aa27e
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3024 Commits

Author SHA1 Message Date
niftynei
1acc1aa27e rbf: clean up channel on error 
Make sure we clean up unsaved channels appropriately on failure.

We forget the peer/channel if it's unsaved!
 2021-03-06 15:03:56 +10:30
niftynei
ff069ff924 rbf: consolidate failure paths, use "warnings" 
We move over to the new "warning" paradigm, instead of using
an "rbf_fail" message.

Every failure is either a warning or an error; on warnings we
hang up and reconnect later, effectively resetting the state.
 2021-03-06 15:03:56 +10:30
niftynei
4fb95a9350 df-rbf: separate first-time channel save from update (RBF) 
We can't "first save" a channel twice; instead we split in two and just
update the underlying channel on subsequent passes (RBFs)
 2021-03-06 15:03:56 +10:30
niftynei
f22fed3fd5 df-rbf: only permit the channel initiator to init RBF 
We're *mostly* set up for both sides doing RBF, except that it reverses
the callback flow (using the plugin vs RPC calls) and we're not
currently smart enough to flip between them gracefully
 2021-03-06 15:03:56 +10:30
niftynei
a0cb7bd9b4 df: update reserve calculation 
We can use the funding amount to derive the reserve requirement.
 2021-03-06 15:03:56 +10:30
niftynei
2719ff8c3b df-rbf: handle rbf failures in lightningd 2021-03-06 15:03:56 +10:30
niftynei
d47358848f df-rbf: init an rbf for real, using openchannel_bumpfee 
Reorg a bit of the RBF code so we use the same codepaths for we-init vs
they-init starts.
 2021-03-06 15:03:56 +10:30
Rusty Russell
4dcd4ca155 listpeers: add latest feerate and actual last fee amount. 
Users have no idea what they would pay for unilateral closes.
At least this gives them a clue!

Reported-by: @az0re on IRC.

Changelog-Added: JSON-RPC: `listpeers` now shows latest feerate and unilaral close fee.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-03-05 13:12:41 +10:30
niftynei
063948d51a df-feerates: send back original + last known feerates 
For calculating the next RBF attempt's feerate, we need some historical
information about the feerate used for this channel
 2021-03-03 16:19:04 -06:00
niftynei
cf170c3909 df: allow for RBF_INIT in sigs states 2021-03-03 16:19:04 -06:00
niftynei
02d99acca1 dualopen: check that peer is connected for json calls 
Before we start trying to talk to the peer, check that they're
connected.
 2021-03-03 16:19:04 -06:00
niftynei
d8221aae76 df: update channel_id when opening; closing; disconnecting 
We were missing the channel_id for accepter opens; it's also a good idea
to reset it to 0xFF when we disconnect totally
 2021-03-03 16:19:04 -06:00
niftynei
474233f1b7 memleak,df: patchup memleak code for v2 channels 
Takes 'unsaved' channels into account for memleak cleanups, instead of
solely relying on `uncommitted_channels`
 2021-03-03 16:19:04 -06:00
niftynei
6407ad334f df, channel: if a channel reconnects, but it's "unsaved" still 
Go ahead and start dualopend, but as a fresh instance.
 2021-03-03 16:19:04 -06:00
niftynei
779067d74c df: check inflights when deciding whether or not to allow command 
We were missing the inflight state checks before allowing to proceed
with a command.
 2021-03-03 16:19:04 -06:00
niftynei
da81d4bced channel: skip unsaved channels 
Now that "peer->channels" contains `unsaved` channels, skip overthem
where appropriate
 2021-03-03 16:19:04 -06:00
niftynei
b9f867b1dd connectd: check for re-connected unsaved channels 2021-03-03 16:19:04 -06:00
niftynei
4c9a4250bf subd: remove "swap" methods 
only needed for moving the subd->channel from an uncommitted_channel to
a channel; we removed uncommitted_channel from dual_open so it's no
longer necessary
 2021-03-03 16:19:04 -06:00
niftynei
de3599e98a subd: remove ctype (channel_type) 
We only needed the type check for dual_open, since it was the only
subdaemon path that used two 'types' in the subd->channel field.
 2021-03-03 16:19:04 -06:00
niftynei
1e9a900918 df: start of RPC for bumping the fee! 
Doesn't call into dualopend yet
 2021-03-03 16:19:04 -06:00
niftynei
d49db8ad41 df: do the right thing, now that we have a cancellation routine 
removes a fixme
 2021-03-03 16:19:04 -06:00
niftynei
3da2ae4d30 df: move to inflights for sigs/openchannel_signed parts of flow 
We create an inflight once we get the commitment tx for a channel
instead of once we get the funding transaction signatures
 2021-03-03 16:19:04 -06:00
niftynei
8b0e88dfb3 df: move initialization over to unsaved channel 
uncommitted_channel -> channel (but unsaved)
 2021-03-03 16:19:04 -06:00
niftynei
0951e2c941 df: get rid of unnecessary struct commit_rcvd 2021-03-03 16:19:04 -06:00
niftynei
95e81ce82c df: helper to find the last (most recent) inflight for a channel 2021-03-03 16:19:04 -06:00
niftynei
628f9df320 df: consolidate callbacks for opener/accepter, move to open_attempt 2021-03-03 16:19:04 -06:00
niftynei
bfb862564e df: method for disconnecting an *unsaved* channel 
Since we're moving over to "unsaved channels" instead of
"uncommitted_channel" struct, we need a new utility to disconnect this
channe
 2021-03-03 16:19:04 -06:00
niftynei
538fd670ce df: add helper for creating an "unsaved" channel 
Channel that's not saved to database yet
 2021-03-03 16:19:04 -06:00
niftynei
1786fcbbdc df: migrate from "uncommitted_channel" to "open_attempt" 
We're going to move over to "unsaved channels" instead of using a
separate "uncommitted_channel" struct. This means a peer might have a
channel that's not saved to the database yet in its channel list
 2021-03-03 16:19:04 -06:00
niftynei
6474779e38 df-rbf: hook for rbf_init attempt, called "rbf_channel" 
When we get an RBF request, we ask the/a plugin what they'd like to do
about it. This pipes the request through to the plugin
 2021-03-03 16:19:04 -06:00
niftynei
50b8655cbe channel: remove 'uncommitted_channel' from channel lookup 
We're going to be removing "uncommitted_channel" from v2 open stat
 2021-03-03 12:28:22 +10:30
niftynei
4baa10ef68 channel: remove psbt and remote_tx_sigs 
We just added this, but we've migrated them to the "inflight" struct
instead, as they actually pertain to an single inflight open attempt
 2021-03-03 12:28:22 +10:30
niftynei
e15de71375 channel: only delete saved channels from database 
There will be 'unsaved' channels now, with a dbid of 0
 2021-03-03 12:28:22 +10:30
niftynei
99123ddbe4 dual-funding, rbf: reject RBFs that will fail the total-fee rule 
RBFs must have a total fee greater than the last successful RBF attempt
 2021-03-03 12:28:22 +10:30
lisa neigut
0d8351155e df-rbf: validate that the candidate funding transaction is valid 
We need to make sure that there's at least one input that's represented
in every single RBF-attempt for this channel, to prevent "parallel"
subsequent RBFs from succeeding/opening (the multi-channel backdoor?!)
 2021-03-03 12:28:22 +10:30
niftynei
22078262f0 df-reinit: pass back channel_flags 
We should also restore the channel_flags field on reinit; we use them if
we do an RBF after a reconnection
 2021-03-03 12:28:22 +10:30
niftynei
a489f92ee8 df-rbf: start of handling an incoming RBF attempt from peer 
A peer init's an RBF, we start handling it
 2021-03-03 12:28:22 +10:30
niftynei
067f1f2eb7 df-rbf: add method to fail an RBF 
this is a bit different than straight up failing a channel. we want to
signal that the RBF attempt failed, only
 2021-03-03 12:28:22 +10:30
niftynei
e18af6aaa3 rbf: check all inflights for matching transaction data 
Even though, technically, we only need to check for v1 open data, go
ahead and extend this check to encompass the inflights
 2021-03-03 12:28:22 +10:30
niftynei
b8b910e4c4 df-rbf: update channel data on depth reached 
When the funding tx reaches depth, update the channel's data to the
"correct" funding transaction info from inflights (if necessary).

This will be necessary if:
    - the transaction has been successfully RBF'd and
    - the lesser fee transaction is the one successfully mined, OR
    - the channel is in the process of being RBF'd
 2021-03-03 12:28:22 +10:30
niftynei
36f3b13279 inflight: add a 'channel-inflight' concept, in-progress channel stuffs 
"inflights" are all potential channel funding transactions that we
currently have commitment transactions for.
 2021-03-03 12:28:22 +10:30
niftynei
1e4ff724a5 nit: make comments 80 chars 2021-03-03 12:28:22 +10:30
Karol Hosiawa
8a8f81175d Added in_channel,out_channel,state params to listforwards 2021-03-03 09:19:20 +10:30
Michael Schmoock
afaaeb3c7d plugins: make rpc_command hook chainable 
Changelog-Changed: The `rpc_command` hook is now chainable.
 2021-03-03 09:18:53 +10:30
Rusty Russell
d0946b75bc common: support opt_shutdown_anysegwit checks (EXPERIMENTAL_FEATURES). 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-03-02 14:42:34 +10:30
Rusty Russell
66dda32da2 common/shutdown_scriptpubkey: extract shutdown scriptpubkey test. 
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-03-02 14:42:34 +10:30
Christian Decker
ebb1b19c65 plugin: Fix the custommsg hook not to include the internal prefix 
We were always prefixing the `message` field with the internal type
prefix 0x0407, followed by the length prefix. Neither is needed since
the type being constant is of no interest to the plugin and the length
being implicit due to the JSON-encoding.

Reported-by: Ilya Evdokimov
Changelog-Fixed: plugin: The `custommsg` hook no longer includes the internal type prefix and length prefix in its `payload`
Changelog-Deprecated: plugin: The `message` field on the `custommsg` hook is deprecated in favor of the `payload` field, which skips the internal prefix.
 2021-03-02 14:41:16 +10:30
Rusty Russell
959d1c9983 chaintopology: fix notification first time fee estimate works. 
We probably want to notify everyone immediately, rather than
waiting for the first change.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-03-02 13:34:55 +10:30
Rusty Russell
171af7742a plugin: log self-disable at debug level, other manifest fails at unusual. 
This avoids spamming the logs.  We also remove the duplicate debug
logs on self-disable (plugin_kill logs it for us).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-03-01 12:16:42 +01:00
Rusty Russell
a9aad0da98 plugin: add log-level to plugin_kill, make it take format string. 
We currently log every kill at INFO level, even if it's during shutdown.
Change those to debug, but lift those where we got a malformed response.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
 2021-03-01 12:16:42 +01:00