Changelog-Removed: JSON-RPC: `close` `tx` and `txid` field (use `txs` and `txids`), deprecated v24.11.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Basically, `devtools/reduce-includes.sh */*.c`.
Build time from make clean (RUST=0) (includes building external libs):
Before:
real 0m38.944000-40.416000(40.1131+/-0.4)s
user 3m6.790000-17.159000(15.0571+/-2.8)s
sys 0m35.304000-37.336000(36.8942+/-0.57)s
After:
real 0m37.872000-39.974000(39.5466+/-0.59)s
user 3m1.211000-14.968000(12.4556+/-3.9)s
sys 0m35.008000-36.830000(36.4143+/-0.5)s
Build time after touch config.vars (RUST=0):
Before:
real 0m19.831000-21.862000(21.5528+/-0.58)s
user 2m15.361000-30.731000(28.4798+/-4.4)s
sys 0m21.056000-22.339000(22.0346+/-0.35)s
After:
real 0m18.384000-21.307000(20.8605+/-0.92)s
user 2m5.585000-26.843000(23.6017+/-6.7)s
sys 0m19.650000-22.003000(21.4943+/-0.69)s
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Each header should only include the other headers it needs to compile;
`devtools/reduce-includes.sh */*.h` does this. The C files then need
additional includes if they don't compile.
And remove the entirely useless wire/onion_wire.h, which only serves to include wire/onion_wiregen.h.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
For the moment, we'll continue to use bookkeeper to monitor the
notifications to insert these (we don't have the internal infrastructure
for that, and actually these commands are probably better than using
notifications).
We hoist param_outpoint() into common code, since there are already
two uses.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Not just the key index.
Also, remove FIXME: wallet_can_spend is no longer slow with lots of inputs!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Since we included the spec for it, this is a good time to implement
it.
I also asked chatgpt to write some unit tests. I had to mangle them a
bit, but it probably saved me a few minutes.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cleans up the API: we have two functions now, one which is explicitly for
"I'm failing this because I saw this tx onchain".
Now we can correctly report the tx which closed the channel (previously
we would always report our own tx(s)!).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Fixed: JSON-RPC: `close` now correctly reports the txid of the remote onchain unilateral tx if it races with a peer close.
Changelog-Fixed: Protocol: we no longer try to spend anchors if a commitment tx is already mined (reported by @niftynei).
Fixes: #7526
Rather than have lightningd call us repeatedly to try to connect, have
it tell us what peers are transient and aren't, and connectd will
automatically try to maintain that connection.
There's a new "downgrade_peer" message to tell it a peer is now
transient: to make it non-transient we simply tell connectd to
connect as a non-transient.
The first time, I missed that dual_open_control does its own state
transitions :(
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Changed: `connectd` now handles maintaining/reconnecting to important peers, and we remember the last successful address we connected to.
We're going to use this to ask if there are any channels which make it
important to reconnect to the peer.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
These were removed from the spec.
We still support existing ones, though we were the only implementation
which ever did, and only in experimental mode, so we should be able to
upgrade them and avoid a forced close, with a bit of engineering...
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This has the benefit of being shorter, as well as more reliable (you
will get a link error if we can't print it, not a runtime one!).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
The pattern of making tal-allocated copies of wally data to pass around
was made redundant after these calls were added by the use of
tal_wally_start/tal_wally_end to parent wally allocations. We can thus
just pass the data directly and avoid the allocations.
Removes redundant allocations when checking tx filters and computing fees.
Signed-off-by: Jon Griffiths <jon_p_griffiths@yahoo.com>
Watchtowers changed the code so that we *always* have a channel->shutdown_scriptpubkey[LOCAL]
(see new_channel()). The previous code had several problems:
1. It tested this for NULL, unnecessarily.
2. It allowed overriding if it was a default, *even* if we were already using it.
3. If the peer opened without option_shutdown_anysegwit, but upgraded before we closed,
we would not recognize the default.
4. It set the final scriptpubkey (and other things!) even if the command failed.
Changelog-Fixed: JSON-RPC: `close` with `destination` works even if prior `destination` was rejected.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is a bit messy, but it tries to do the minimal switchover.
Some tests change, so those are included here.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
From the spec:
Once peers are ready to exchange commitment signatures, they must remember
the details of the funding transaction to allow resuming the signatures
exchange if a disconnection happens.
Basically this means we add channels to the database before we've gotten
commitments for them; it's nice that there's now a state for commitments
recevied but we now save the channel prior to that.
This commit makes it possible to track the pre-commit-rcvd but not quite
open-init state.
The latter is used when we're put in the db, the former is the uncommitted state.
Currently dbid == 0 is used in addition to the state, which is unwieldy.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Experimental: JSON-RPC: added new dual-funding state `DUALOPEND_OPEN_COMMITTED`
We should use capability tests for states (can you add htlcs?) rather than vague
descriptions (are you closing?).
And as much as possible, use switch () statements to force us to think
about all the cases, especially when we add new states!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
In spec commit 498f104fd399488c77f449d05cb21c0b604636a2 (August 2021),
Bastien Teinturier removed the requirement that the mutual close fee be
less than or equal the final commitment tx.
We adopted that change in v0.10.2, but we made sure to never offer a fee
under the final commitment tx's fee, so we didn't break older nodes.
However, the closing tx can actually be larger than the final commitment tx!
The final commit tx has a 22-byte P2WKH output and a 34-byte P2WSH output;
the closing can have two 34-byte outputs, making it 4*8 = 32 Sipa heavier.
Previously this would only happen if both sides asked for P2WSH outputs,
but now it happens with P2TR, which we now do.
The result is that we create a tx which is below the finally commitment
tx fee, and may be below minrelayfee (as it was in regtest).
So it's time to remove that backwards-compatibility hack.
Changelog-Fixed: Protocol: We may propose mutual close transaction which has a slightly higher fee than the final commitment tx (depending on the outputs, e.g. two taproot outputs).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Fixes: #6545
I obviously like the word "capabilities" since I reused it to refer
to the HSM's overall features :(
Suggested-by: @ksedgwic
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Thread the signed tx through so close's JSON return contains that,
rather than the unsigned channel->last_tx.
We have to split the "get cmd_id" from "resolve the close commands" though;
and of course, as before, we don't actually print the txids of multiple
transactions even though we may have multi in flight due to splice!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Fixed: JSON-RPC: `close` returns a `tx` field with witness data populated (i.e. signed).
Fixes: #6440
Update gossip routiens and various other hecks on the channel state to consider AWAITING_SPLICE to be routable and treated similar to CHANNELD_NORMAL.
Small updates to psbt interface
Changelog-None
In most cases, it's the same as option_anchor_outputs, but for
fees it's different. This transformation is the simplest:
pass it as a pair, and test it explicitly.
In future we could rationalize some paths, but this was nice
and mechanical.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Since we can CPFP, we don't have to track the feerate as closely. But
it still needs to get in the mempool, so we use 10 sat/byte, or the
100 block estimate if that is higher.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON-RPC: `feerates` has new fields `unilateral_anchor_close` to show the feerate used for anchor channels (currently experimental), and `unilateral_close_nonanchor_satoshis`.
Changelog-Changed: JSON-RPC: `feerates` `unilateral_close_satoshis` now assumes anchor channels if enabled (currently experimental).
We have the FEERATE_FLOOR constant if you don't care, but usually you want
to use the current bitcoind lower limit, so call get_feerate_floor()
(which is currently the same, but coming!).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It's needed as the db and wallet is being set up (db migrations), so
it's simpler this way to always use ld->bip32_base for the next patch.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We didn't actually populate them properly, and the real annotations
are on inputs and outputs.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-EXPERIMENTAL: JSON-RPC: `listtransactions` `channel` and `type` field removed at top level.
