This appends the extra_tlvs to the internal channeld_offer_htlc wire
msg. We also recombine the extra_tlvs with the blinded path key for
forwarding htlcs.
Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
We used to use a check on the active psbt to see if our splice signature was in it — but now we need to generate the signature early.
So we have to add a field tracking if we’ve sent it and add it to the database, wire protocols, and inflight objects.
It was already disabled by Dusty due to a number conflict with splicing, and
the proposal probably needs updating to use quiescence now that is merged.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-EXPERIMENTAL: The non-functional `experimental-upgrade-protocol` config option.
This was always false. peer_start_channeld was called in various places
with the argument "NULL" instead of "false", which unfortunately compilers
didn't complain about :(
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
The ability to stfu channels in bulk is required to do complex multi channel operations. When stfu’ing in this manner, the available funds at the moment of stfu is returned to the user.
In order to cancel the stfu we also add a bulk tx_abort command.
Changelog-Added: `stfu_channels` and `abort_channels` are added for bulk multi-channel splice commands. These allow the user to pause (and resume) multiple channels in place.
We still support *existing* channels. Just not new ones (before they could,
in theory, explicitly ask for one).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
In particular, we were sending `announcement_signatures` before
`channel_reestablish`; we allow this because LND used to do it, but
it's not spec compliant.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Adds tests for when the connection fails during
1) splice tx_signature
2) splice commitment_signed
Fleshed out the reestablish flow for these two cases and implemented the fixes to make these reestablish flows work.
Part of this work required changing commit process for splices: Now we send a single commit_part for the splice where previously we sent all commits, and accordingly, we no longer revoke in response.
Changelog-Fixed: Implemented splicing restart logic for tx_signature and commitment_signed. Splice commitments are reworked in a manner incompatible with the last version.
It's going to want to remember these, in case it encounters peers'
commitment tx and needs to boost it with CPFP on the anchor.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Now we've asserted that channeld would tell lightningd the same thing it
would do anyway, we can simply have channeld say "enable=True|False" and
lightningd fill in the other fields.
This means there's a pile of things channeld doesn't need to know any more!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Update the lightningd <-> channeld interface with lots of new commands to needed to facilitate spicing.
Implement the channeld splicing protocol leveraging the interactivetx protocol.
Implement lightningd’s channel_control to support channeld in its splicing efforts.
Changelog-Added: Added the features to enable splicing & resizing of active channels.
And no longer insist on opt_quiesce.
Changelog-EXPERIMENTAL: Config: `--experimental-upgrade-protocol` enables simple channel upgrades.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We don't actually process onion messages here any more (they moved to
connectd), but the flag and object files were still linked.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: Protocol: We now set the `dont_forward` bit on private channel_update's message_flags (as per latest BOLTs).
This contains the zeroconf stuff, with funding_locked renamed to
channel_ready. I change that everywhere, and try to fix up the
comments.
Also the `alias` field is called `short_channel_id`.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Changed: Protocol: `funding_locked` is now called `channel_ready` as per latest BOLTs.
We don't need to hand it to channeld: it will read it! We simply
need to tell it to expect it.
Similarly, openingd/dualopend will never see it, so remove that logic.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Suggested by @m-schmook, I realized that if we append it later I'll
never get it right: I expect parameters min and max, not max and min!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: Protocol: you can now alter the `htlc_minimum_msat` and `htlc_maximum_msat` your node advertizes.
We used to calculate it ourselves. Unfortunately this needs to
be done in several places, since new_channel() isn't used to fully
create a channel in the case of dual funding :(
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We now let gossipd do it.
This also means there's nothing left in 'struct per_peer_state' to
send across the wire (the fds are sent separately), so that gets
removed from wire messages too.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It's probably not worth fixing for the other daemons.
Changelog-Changed: JSON-RPC: `ping` now only works if we have a channel with the peer.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This supports reestablish on a closed channel: we tell channeld to
respond to the reestablish message appropriately, then close the
channel.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We used this for dual funded opens, to track the receipt of signatures.
We're moving all of this over to dualopend now, however, so we no longer
need the PSBT in channeld.
