Commit Graph

3058 Commits

Author SHA1 Message Date
Rusty Russell
6c9d9ee9a2 connect: return address we actually connected to.
Otherwise, we might find an address other than the one given and
the user might think that address worked.

Fixes: #4185
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON-RPC: `connect` returns `address` it actually connected to
2021-03-17 08:38:08 +10:30
Rusty Russell
b563cafd83 lightningd: don't complain about bad funding PSBT for elements.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:10:07 +10:30
Rusty Russell
22e1107581 lightningd/opening_control: deprecate old fundchannel_complete args.
And update all the in-tree callers.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Deprecated: JSON-RPC: `fundchannel_complete` `txid` and `txout` parameters (use `psbt`)
2021-03-16 13:10:07 +10:30
Rusty Russell
da7ba6c146 lightningd/opening_control: allow single-arg fundchannel_complete with PSBT
Requiring the user to calculate the txid of the PSBT is a horrible, bad,
no-good idea.

Doesn't deprecate yet, so I can test that this path works while
multifundchannel still uses it.

Fixes: #4416 (at least for future users!)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON-RPC: `fundchannel_complete` takes a psbt parameter.
2021-03-16 13:10:07 +10:30
Rusty Russell
bf928ef47a lightningd/opening_control: store funding scriptpubkey.
We'll need it in next patch to identify the funding output.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:10:07 +10:30
Rusty Russell
58ee8d427a lightningd/opening_control: d_o_n_t a_d_d e_x_t_r_a u_n_d_e_r_s_c_o_r_e_s
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:10:07 +10:30
Rusty Russell
a1b43a3653 onchaind: see closes when wrong_funding shutdowns are used.
Fairly easy to do, though we also have to add the watch when we load
from the database.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:08:40 +10:30
Rusty Russell
b62706aa01 close: accept wrong_funding outpoint arg if we negotiated the feature.
Changelog-Added: lightningd: experimental-shutdown-wrong-funding to allow remote nodes to close incorrectly opened channels.
Changelog-Added: JSON-RPC: close has a new `wrong_funding` option to try to close out unused channels where we messed up the funding tx.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:08:40 +10:30
Rusty Russell
1cfb7b84d0 closingd: add support for handling wrong_funding.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:08:40 +10:30
Rusty Russell
820fbcd65a channeld: code to send wrong_funding if lightningd says to.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:08:40 +10:30
Rusty Russell
80c2f28373 channeld: accept the 'wrong_funding' shutdown TLV.
If it passes checks, lightningd puts it in the database.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:08:40 +10:30
Rusty Russell
cc6d2afe21 Experimental option option_shutdown_wrong_funding: help me, I screwed up!
It's not unheard of for people to give the wrong funding tx to us,
getting their funds stuck.  Interestingly, we can allow mutual close
using a different txid and output number as long as they (solely)
funded the channel, and the channel hasn't been used.

This defines a "play area" feature to do just that.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-03-16 13:08:40 +10:30
Jan Sarenik
1b02d15695 typo: information is an uncountable mass noun
See https://en.wikipedia.org/wiki/Information

In libplugin.c also the word "details" was added (without removing
the 'information').

Changelog-None
2021-03-16 10:45:40 +10:30
niftynei
bec96a6c5b df: add openchannel_abort command
Allows us to clean up an in-progress open that we won't be completing

Changelog-Added: EXPERIMENTAL JSON-RPC: Permit user-initiated aborting of in-progress opens. Only valid for not-yet-committed opens and RBF-attempts
2021-03-15 14:08:44 +10:30
niftynei
015a0555d0 df: nit, update to use proper helper json function for channel_id 2021-03-15 14:08:44 +10:30
niftynei
8182e9cea4 df: update the openchannel2 parameter 'accepter' -> 'our'
The `rbf_channel` hook uses `our_funding_msat`, which is a nicer
and more easily understood than the `openchannel2`
`accepter_funding_msat`.

This updates the `openchannel2` hook to use the same nomenclature as
`rbf_channel`.
2021-03-12 14:00:19 +10:30
niftynei
a60d652517 df: add missing check for already set scriptpubkey
Noticed while adding the documentation for the hook.
2021-03-12 14:00:19 +10:30
niftynei
52b5dbb01d df: add doc for channel_open_failed notification
When a channel fails, send out a notification.

We were missing this notification in one case, which has been added.
2021-03-12 14:00:19 +10:30
niftynei
fc9e72b62b df-doc: add docs for openchannel_bump, more checks for valid psbt
Add docs for openchannel_bump, plus some checks that were missed for
verifying the amount is valid.
2021-03-12 14:00:19 +10:30
niftynei
a648ec827a df-doc: update error codes, make sure they're correct 2021-03-12 14:00:19 +10:30
Christian Decker
0bc8a47226 plugin: Add details about which plugin caused a clash in RPC methods 2021-03-10 12:03:10 -06:00
Christian Decker
e59940eb61 plugin: Abort early if we have a misconfiguration in the plugins
We were reporting the failure immediately but still continuing with
the startup. This could happen if an important plugin ends up in a
race with another plugin (important or not) for a contended
resource (CLI option or RPC method name). We would eventually notice
that we were supposed to abort, but at that point we already processed
a couple of blocks, loaded the entire state, etc.

This just aborts early with a sane error message.

Changelog-Added: plugin: If there is a misconfiguration with important plugins we now abort early with a more descriptive error message.

Reported-by: PsySc0rpi0n
Reported-by: Ján Sáreník <@jsarenik>
2021-03-10 12:03:10 -06:00
niftynei
26e4bae9ce df: fail channel if peer sends witnesses that aren't paid for
The receiving node: ...
      - MUST fail the channel if:
        - the `witness_stack` weight lowers the effective `feerate`
          below the agreed upon transaction `feerate`
2021-03-09 14:55:05 +10:30
niftynei
31e3bdb42d df-spec: consolidate dual-funding patches, update feerate protocol
We consolidate to the latest/singular RFC patch for dual-funding, so
there's just a single patchfile for the change. Plus we move back to the
opener setting the desired feerate, the accepter merely declines to
participate if they disagree with the set rate.
2021-03-09 14:55:05 +10:30
niftynei
71164799f9 dual-fund: remove all references to PODLEs
We're punting on PODLE's for v1 of dual-funded channels
2021-03-09 14:55:05 +10:30
Christian Decker
21355edc43 plugin: Do not send the internal framed message over the wire
Looks like #4394 treated a symptom but not the root cause. We were
actually sending the message framed with the WIRE_CUSTOMMSG_OUT and
the length prefix over the encrypted connection to the peer. It just
happened to be a valid custommsg...

This fixes the issue, and this time I made sure we actually send the
raw message over the wire. However for backward compatibility we
needed to imitate the faulty behavior which is 90% of this patch :-)

Changelog-Fixed: plugin: `dev-sendcustommsg` included the type and length prefix when sending a message.
2021-03-09 14:39:22 +10:30
niftynei
8cc2919884 connectd: clean up the channel stuffs when we get a reconnect
If they've disconnected/reconnected we need to terminate all the
inflight stuff, plus go ahead and call 'disconnect' plugin trigger etc.
2021-03-06 15:03:56 +10:30
niftynei
97e64915c5 df: add (over zealous?) note about the usage of psbt_has_req_fields
Requested-In-Part-By: Rusty Russell @rustyrussell
2021-03-06 15:03:56 +10:30
niftynei
fc411a5925 df-memleak: expose memleak error and fix
We were getting a memleak error that the open_attempt isnt' being
cleaned up in test_rbf_reconnect_tx_construct. I had some trouble
reproducing it, so I removed the reliance on using `tmpctx` to clean it
up and was more surgical about cleaning it up inline.
2021-03-06 15:03:56 +10:30
niftynei
e0a2d47903 df-rbf: reconnection tests (init_rbf + ack_rbf) 2021-03-06 15:03:56 +10:30
niftynei
07153bff6a df: cleanup error handling on lightningd side
Make existing methods understand how unsaved channels work, re-work
errors so that we handle everything appropriately
2021-03-06 15:03:56 +10:30
niftynei
dfdf9259d7 listpeers: include feerate info for RBF-candidate channels
Changelog-Added: JSON-RPC: `listpeers` now includes 'last_feerate', 'next_feerate', 'initial_feerate' and 'next_fee_step' for channels in state DUALOPEND_AWAITING_LOCKIN

fixup! listpeers: include feerate info for RBF-candidate channels
2021-03-06 15:03:56 +10:30
niftynei
6c76dd338e channel: move inflight + feerate methods to channel.c
Need these more accessible for next patch, which moves the next_feerate
info into listpeers
2021-03-06 15:03:56 +10:30
niftynei
a23277af57 listpeers: include info on channels that are in-process
Channels that we're in negotiation for, but don't have a commitment
transaction saved for yet.
2021-03-06 15:03:56 +10:30
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