Things are often equivalent but different types:
1. u8 arrays in libwally.
2. sha256
3. Secrets derived via sha256
4. txids
Rather than open-coding a BUILD_ASSERT & memcpy, create a macro to do it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It was only ever expermental, so I don't feel bad about just removing it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Removed: JSON-RPC: `sendonionmessage` (was experimental only, use `injectonionmessage`)
Making sure that we are able to fetch the invoice
from an offer without description
E pyln.client.lightning.RpcError: RPC call failed: method:
offer, payload: {'amount': '2msat'}, error: {'code': -32602, 'message':
'bolt12: Offer does not contain a description: invalid token
\'"lno1qgsqvgnwgcg35z6ee2h3yczraddm72xrfua9uve2rlrm9deu7xyfzrcgqyppvggz953rvg9rtxj8lalh43z8epwydjfrmffn3y3p5qz5cywpu09rr4vs"\''}
Link: https://github.com/ElementsProject/lightning/issues/7405
Link: https://github.com/ElementsProject/lightning/issues/7404
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Changelog-Added: Protocol: onion messages are now supported by default.
Changelog-Deprecated: Config: the --experimental-onion-messages option is ignored (on by default).
When we set them (i.e. at lockin), when we fire up channeld (for
aliases, which we create at channel init, but aren't really useful
until we have finished channel opening), and at startup.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Unlike "sendonionmessage" which instructs us to send to a peer, this
process it locally (presumably, it contains the next hop). This is
useful because it allows us to process an onion message which starts
with us (a legal case for a blinded path supplied by someone else!).
It also opens the door to bolt12 self-pay.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This basically means moving the code from gossipd to connectd to handle
these queries.
This will get connectd have finer control over ratelimiting them.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We currently stream gossip as fast as we can, even if they start at
timestamp 0. Instead, use a simple token bucket filter and only let
them have 1MB per second (500 bytes per second for testing).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Protocol: connectd: we now throttle outgoing gossip at 1MB/second per peer.
Document and enforce the --experimental-anchors deprecation, which was somehow missed in v24.02
Changelog-Deprecated: Config: the --experimental-anchors option is ignored (on by default since v24.02).
We don't use the payment_secret in bolt12, but in onion_decode() we
do put the path_secret (if of correct length) into payment_secret. Not
realizing this confused me, so document that, and make sure we insist
on it being present for bolt12.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This was when we handled pre-TLV onions where the first byte was 0. We haven't
done that for a while: you can tell, because process_onionpacket doesn't use
the parameter at all!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
common/version.o depends on common/version_gen.h explicitly already,
and header_versions_gen.h is only used by lightningd, so we can make
that dependency explicit.
This means when version changes (i.e. different git commit) we only
relink, not recompile.
Before:
```
real 0m6.578s
user 0m14.705s
sys 0m13.621s
```
After:
```
real 0m2.098s
user 0m6.763s
sys 0m4.844s
```
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Shahana decided this was the optimal UX path, though I insisted that we still
report the actual problem directly when in dev mode, as a compromise.
Suggested-by: https://github.com/Amperstrand
Changelog-Changed: JSON-RPC: Do not return the contents of invalid parameters in error messages, refer to logs (use 'check' to get full error messages)
Fixes: https://github.com/ElementsProject/lightning/issues/7338
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
It doesn't actually log, just gets the `struct logger`, so this name is better.
We're also going to implement command_log() as an actual logging
function in next commit.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Found by very slow CI: the two io_breaks() can combine into one, so we
block waiting for the second initialization which never happens.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
checkchain_timer is run by chaintopology, so why have the pointer in
bitcoind?
And since we free the timers, we don't need them to self-disable by
checking the stopped flag.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Handling half in main() and half here was a mess. And the name
"max_blockheight" was poor: it was the max in the db, or UINT32_MAX,
but then we changed it depending on what height we wanted to start at.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Fixes: https://github.com/ElementsProject/lightning/issues/6924
Changelog-Changed: lightningd: we wait for bitcoind if it has somehow gone backwards (as long as header height is still ok).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
The current code is confusing: there are polling loops, but we wait for
them to run once.
Be explicit: make the calls once, then start the loops in begin_topology.
This removes various chain_topology struct members which only exist for
startup.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
From test_penalty_htlc_tx_timeout[False] flake (with keys replaced by l2 and l5, for clarity)
```
lightningd-3 2024-06-04T04:34:00.942Z UNUSUAL l2-chan#1: Peer permanent failure in CHANNELD_NORMAL: Funding transaction spent
lightningd-3 2024-06-04T04:34:01.570Z UNUSUAL l5-chan#3: Peer permanent failure in CHANNELD_NORMAL: Funding transaction spent
lightningd-3 2024-06-04T04:34:01.655Z UNUSUAL l5-chan#3: Abandoning unresolved onchain HTLC at block 132 (expired at 125) to avoid peer closing incoming HTLC at block 131
lightningd-3 2024-06-04T04:34:02.802Z **BROKEN** l5-chan#3: FUNDS LOSS of 50000000msat: peer took funds onchain before we could time out the HTLC, but we abandoned incoming HTLC to save the incoming channel
```
So, we were already closing l2, no reason to abandon it.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
We could get the current key from the reestablish message even if we'd
lost our db, but there are very few of these channels left: we upgraded to use them
in the 2019-01-09 release.
We will eventually remove support altogether, but this is a nice removal of
some ugly code for something which "never happens".
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This is a difficult transition for us: this string appears in channel
types. We make the transition now in the understanding that it will
be more difficult in future.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Deprecated: JSON-RPC: `listpeers` `features` array string "option_anchors_zero_fee_htlc_tx": use "option_anchors" (spec renamed it).
Changelog-Added: JSON-RPC: `listpeers` `features` array string uses "option_anchors" for feature 22/23, following renaming in BOLT 9.
Changelog-Changed: JSON-RPC: `listclosedchannels`, `listpeerchannels`, `openchannel_update`, `openchannel_init`, `fundchannel`, `fundchannel_start` and `multifundchannel`: `channel_type` array `names` now contains "anchors" instead of "anchors_zero_fee_htlc_tx".
Changelog-Changed: lightningd: `--list-features-only` now lists "option_anchors" instead of "option_anchors_zero_fee_htlc_tx".
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>
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>
We used to fire up channeld to send this, but:
1. That's silly, we have all the information to make it ourselves.
2. We didn't do it if there was an error on the channel, which as of 24.02
there always is!
3. When it did work, running channeld *stops* onchaind, indefinitely slowing recovery.
Fixes: https://github.com/Blockstream/greenlight/issues/433
Changelog-Fixed: Protocol: we once again send CHANNEL_REESTABLISH responses on closing channels.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
LDK will pick the *upper* limit (see: https://github.com/lightningdevkit/rust-lightning/issues/3014)!
It should not do this, but since you can set a manual range for mutual close, it's probably better to disable this option for close, as it's even more dangerous than documented.
Changelog-Changed: config/JSON: --ignore-fee-limits / setchannel ignorefeelimits no longer applies to mutual close.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Fixes: https://github.com/ElementsProject/lightning/issues/7242
Currently make a plugin that do reportings of logs on
a services like graphana is not possible. So this commit
include the possibility to write a plugin that do the report
of this analisys.
Changelog-Added: core: notify plugins when a log line is emitted.
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Currently, anything which doesn't have a live channel is considered transient.
We free this first under stress, and also if they're still connecting.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
The feerate security margin is a multiplicative factor applied to the
feerate of some transactions in order to guarantee that the
transaction remains publishable and has a sufficient chance of being
confirmed, that we can base some of our decisions on that.
The multiplicative factor is >=1 and was so far a constant 2. This
might have been sensible in the low-fee environment, where the fees
are expected to oscillate, and almost guaranteeing that we will
eventually have rising feerates but in high-fee environments that is
no longer the case, and the 100% margin that the multiplicator 2
brings is excessive. We therefore opt to start out with 100%, then
linearly interpolate up to a given maxfeerate (which does not have to
be a real feerate ever reached, it just indicates the feerate after
which we apply the constant 10% margin.
Fixes#6974Closes#6976
[Fixed up all the other changes required, including spendable calcualtion
comments and unit test and pytest tests --RR]
