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261 commits

Author SHA1 Message Date
daywalker90
fce9d6e0b1 lightningd: accept options array in plugin start
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The plugin start command only accepted plugin options flattened onto
the RPC call (e.g. via -k/--keyword), but the plugin RPC schema
documents an explicit 'options' array.  This mismatch meant that callers
using named parameters against generated RPC bindings (cln-rpc, grpc,
protobuf), which cannot flatten arbitrary options, failed with
'unknown parameter options'.

Options without a value are treated as boolean flags, matching the
flattened form.

Changelog-Fixed: JSON-RPC: `plugin start` now accepts plugin options as an `options` array of `keyword=value` strings, as documented in the `plugin` schema.
2026-08-13 12:15:33 +02:00
Sangbida Chaudhuri
5c8bf7841c tests: drop obsolete x-prefix in compacter-slow.sh
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Shellcheck 0.11 (SC2268) rejects the old x"$1" comparison idiom.

Prevents: "tests/plugins/compacter-slow.sh:5:6: note: Avoid x-prefix in comparisons as it no longer serves a purpose. [SC2268]"
2026-08-06 09:21:54 +02:00
Sangbida Chaudhuri
116fd7cd4a Revert "tests: drop obsolete x-prefix in compacter-slow.sh"
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This reverts commit 474c272a46.
2026-08-05 15:26:49 +09:30
Sangbida Chaudhuri
474c272a46 tests: drop obsolete x-prefix in compacter-slow.sh
Shellcheck 0.11 (SC2268) rejects the old x"$1" comparison idiom.

Prevents: "tests/plugins/compacter-slow.sh:5:6: note: Avoid x-prefix in comparisons as it no longer serves a purpose. [SC2268]"
2026-08-05 12:28:42 +09:30
Rusty Russell
446312cf1b offers: limit invoices to 10 minutes for recurring offers in other currencies.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-08-04 18:51:43 -03:00
daywalker90
fcb81c8420 pytests: make sure test plugin misc_notifications.py exits fast
e7fe59bc61 changed the way lightningd refuses
rpc calls during shutdown and the now resulting ConnectionRefusedError was never caught
so the test plugin would not exit and the teardown of those tests would hang for the full
timeout

Changelog-None
2026-06-17 18:49:59 +09:30
Rusty Russell
50bf919382 pytest: convert many tests to use inline_plugin helper.
Reduces the number of misc test plugins.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-06-17 18:32:24 +09:30
wqxoxo
e9fee876d7 setconfig: fix crash on dynamic multi-value plugin options
We had an assert(!(ot->type & OPT_MULTI)) which crashed when using
setconfig on a plugin option marked as both dynamic and multi.

The fix changes plugin_set_dynamic_opt to accept an array of values
(scalar options pass a 1-element array, multi options pass the complete
set). For multi options, setconfig replaces ALL values atomically - an
empty array clears them.

Fixes: #8295

Changelog-Fixed: setconfig no longer crashes on dynamic multi-value plugin options
2026-05-11 15:49:10 +09:30
Lagrang3
03e5d22a95 libplugin: add helpers for multi-string options
Changelog-None

Signed-off-by: Lagrang3 <lagrang3@protonmail.com>
2026-05-11 15:43:30 +09:30
Rusty Russell
715295f9e0 plugins: simplify datastore interfaces now callers have mkdatastorekey.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-03-23 14:03:17 +10:00
Rusty Russell
52299697aa libplugin: hand command, not plugin, to parsing functions.
In particular, for dynamic options we want to create an aux_command in
the case of bookkeeper-currency.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-03-23 14:03:17 +10:00
Dusty Daemon
3728c61a7b channeld: Add new feerate type ‘splice’
This new feerate gives us more careful control of what feerate splices should be at.
2026-03-21 07:28:30 +10:00
Dusty Daemon
6f5fb63200 channeld: Inform channeld about opening feerate
Since channeld handles splicing, it makes sense that it knows the opening feerate now. This is needed for rounding out splice script errors and logging.
2026-03-21 07:28:30 +10:00
Dusty Daemon
60cd23e31c reestablish: Send announcement sigs when asked
A new TLV in `channel_reestablish` lets our peer request announcement signatures. This updates CLN to (re)send them when requested.

As per splice spec PR https://github.com/lightning/bolts/pull/1160/changes#diff-ed04ca2c673fd6aabde69389511fa9ee60cb44d6b2ef6c88b549ffaa753d6afeR3303-R3308

Changelog-None
2026-03-18 09:40:54 +10:00
Lagrang3
3b58201c2b tests: add test to validate jsonrpc
Add test to validate jsonrpc from lightning-cli requests in the case of
numeric strings with leading zeroes.

Changelog-None

Signed-off-by: Lagrang3 <lagrang3@protonmail.com>
2026-03-16 11:53:54 +10:00
Rusty Russell
c168f6a7fe libplugin: support multi options.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: libplugin: support for options which accumulate if specified more than once ("multi": true).
2026-02-23 19:05:37 +10:30
Rusty Russell
acb8a8cc15 gossipd: dev-compact-gossip-store to manually invoke compaction.
And tests!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-02-16 17:23:33 +10:30
Rusty Russell
eaf6fabf04 pytest: reproduce crash when node disconnects between hooks:
```
lightningd-2 2026-02-09T00:41:35.196Z TRACE   lightningd: Plugin peer_connected_logger_a.py returned from peer_connected hook call
lightningd-2 2026-02-09T00:41:35.196Z TRACE   lightningd: Calling peer_connected hook of plugin peer_connected_logger_b.py
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: FATAL SIGNAL 11 (version v25.12-257-g2a5fbd1-modded)
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: common/daemon.c:46 (send_backtrace) 0x5b2abd7f29bd
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: common/daemon.c:83 (crashdump) 0x5b2abd7f2a0c
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0 ((null)) 0x75950d84532f
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/peer_control.c:1333 (peer_connected_serialize) 0x5b2abd79c964
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/plugin_hook.c:359 (plugin_hook_call_next) 0x5b2abd7ae14a
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/plugin_hook.c:299 (plugin_hook_callback) 0x5b2abd7ae38f
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/plugin.c:701 (plugin_response_handle) 0x5b2abd7a7e28
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/plugin.c:790 (plugin_read_json) 0x5b2abd7ace9c
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ccan/ccan/io/io.c:60 (next_plan) 0x5b2abd81dada
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ccan/ccan/io/io.c:422 (do_plan) 0x5b2abd81def6
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ccan/ccan/io/io.c:439 (io_ready) 0x5b2abd81dfb3
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ccan/ccan/io/poll.c:470 (io_loop) 0x5b2abd81f0db
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/io_loop_with_timers.c:22 (io_loop_with_timers) 0x5b2abd77c13b
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: lightningd/lightningd.c:1495 (main) 0x5b2abd781c6a
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ../sysdeps/nptl/libc_start_call_main.h:58 (__libc_start_call_main) 0x75950d82a1c9
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: ../csu/libc-start.c:360 (__libc_start_main_impl) 0x75950d82a28a
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: (null):0 ((null)) 0x5b2abd752964
lightningd-2 2026-02-09T00:41:35.293Z **BROKEN** lightningd: backtrace: (null):0 ((null)) 0xffffffffffffffff
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-02-12 09:08:10 +10:30
Rusty Russell
939aec3b61 pytest: make hold_timeout.py test plugin release on a prompt, not timeout.
Avoids guessing what the timeout should be, use a file trigger.  This
is more optimal, and should reduce a flake in test_sql under valgrind.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-02-09 14:48:15 +10:30
Rusty Russell
c90c21301f pytest: speed up channeld_fakenet tests.
Reduce randome delay from 0.1 - 1 seconds, to 0.01 to 0.1 seconds.

Running tests/test_xpay.py::test_xpay_fake_channeld[False]

Before:
	348.41s
After:
	76.76s

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-02-05 08:36:28 +10:30
Rusty Russell
23202b7e85 pytest: fix channeld_fakenet divide by zero bug.
1. If max was 0, we crashed with SIGFPE due to % 0.
2. If min was non-zero, logic was incorrect (but all callers had min == 0).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2026-02-05 08:36:28 +10:30
Sangbida Chaudhuri
1279a58910 pytest: changed old_hsmsecret to default to false.
This changes various tests in minor ways:

1. The "l2" secret key in tests/plugins/channeld_fakenet.c is updated.
2. The decompressed gossip data node id needs changing.
3. The coinmoves order changes in bookkeeper for anchors.
4. Various harcoded gossip constants change.
5. Some hardcoded makesecret results change.
6. zeroconf tests which hardcoded node ids change.
7. Arbitrary rune strings change.
8. A log message which uses node ids changes.
2026-01-27 09:32:49 +10:30
daywalker90
d03cf820a8 clnrest: add clnrest-register-path method for dynamic paths
Changelog-Added: clnrest: add clnrest-register-path rpc method to register dynamic paths
2026-01-19 12:55:57 +10:30
Rusty Russell
b4f17508b1 libplugin: add spamlistcommand
This hammers lightingd with `listinvoices` commands.

	$ VALGRIND=0 TEST_DB_PROVIDER=postgres eatmydata uv run pytest -v tests/benchmark.py::test_spam_listcommands

sqlite3:

   test_spam_listcommands     2.1193  2.4524  2.2343  0.1341  2.2229  0.1709       1;0  0.4476       5           1

PostgreSQL:

   test_spam_listcommands     6.5572  6.8440  6.7067  0.1032  6.6967  0.1063       2;0  0.1491       5           1

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-20 16:30:50 +10:30
Rusty Russell
b03562b980 pytest: test for 1M JSONRPC calls which don't need transactions.
To measure the improvement (if any) if we don't actually create empty transactions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-20 16:30:50 +10:30
Rusty Russell
213cbba5bf lightningd: allow filtering on custommsg hook too.
Changelog-Added: Plugins: "filters" can be specified on the `custommsg` hook to limit what message types the hook will be called for.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-20 16:30:50 +10:30
Rusty Russell
a4f772efa7 lightningd: avoid race when runtime-added plugins register hooks.
If we add a new hook, not at the end, while hooks are getting called,
then iteration could be messed up (e.g. calling a plugin twice, or
skipping one).

The simplest thing is to defer updates until nobody is calling the
hook.  In theory this could livelock, in practice it won't.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-20 16:30:50 +10:30
Rusty Russell
409beb6923 pytest: test failure if we crash after fundchannel_complete but before sendpsbt.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-19 07:23:39 +10:30
Rusty Russell
35f65c5d91 common: add amount_msat_deduct / amount_msat_deduct_sub.
I added amount_msat_accumulate for the "a+=b" case, but I was struggling
with a name for the subtractive equivalent.  After some prompting, ChatGPT
suggested deduct.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-11-17 10:56:18 +10:30
Peter Neuroth
be015898ae lsp_plugin: add basic lsps2 mpp support to client
This includes a mocked lsps2 service plugin, tests and some changes on
the client side. The client now can accept mpp payments for a
jit-channel opening from a connected LSP.

Changelog-Added: Lsps2 `fixed-invoice-mpp` mode for the lsps2 client

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-11-13 10:58:49 +10:30
Peter Neuroth
9e301f0f9c lsp_plugin: rename cmds and opts to fit convention
We use `experimental-*` for documented commands instead of `dev-` which
are undocumented commands.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-11-13 10:58:49 +10:30
Christian Decker
1126bc312b chore(fmt): Fix formatting of new python files. 2025-11-13 10:58:49 +10:30
Peter Neuroth
7f3789b624 lsp_plugin: add htlc_accepted handler for no-mpp
Adds the service side (LSP) for a simple no-mpp trusted jit channel
opening. This is only an intermediate step, we are going to add support
for multiple htlcs.
This is experimental and can drain on-chain fees from the LSP if used in
public.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-11-13 10:58:49 +10:30
Peter Neuroth
581eb3076f lsp_plugin: add lsps2_getinfo handler and call
This commit adds the lsps2_get_info call defined by BLIP052. It also
adds a test policy plugin that the LSP service plugin uses to fetch the
actual fee menu from to separate the concerns of providing a spec
compliant implementation of an LSP and making business decisions about
fee prices.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-11-13 10:58:49 +10:30
Peter Neuroth
21fb7600f3 lightningd: add invoice_amt to the htlc_accepted hook
This commit introduces a new field `invoice_msat` to the htlc_accepted
hook. If this field is specified it will replace the amount of the
invoice that belongs to the payment_hash of the HTLC on internal checks.

This is useful in scenarios where we actually expect a smaller amount
than initially specified in an invoice.

Changelog-Changed: Plugins: `htlc_accepted` hook can now override the
expected total amount of the invoice that belongs to the HTLC.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-11-10 15:05:27 +10:30
Rusty Russell
f6a4e79420 global: remove unnecessary includes from headers.
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>
2025-10-23 06:44:04 +10:30
Rusty Russell
65d997842e Makefiles: remove redundant dependencies, and have objects depend on their Makefile.
1. $(JSMN_OBJS) is not set anywhere.
2. You don't need to depend on CCAN_HEADERS, COMMON_HEADERS or JSMN_HEADERS: the top level Makefile has all object depedning on it.
3. Similarly, CCAN_OBJS.
4. Every object file should be rebuilt if its Makefile changes.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-10-23 06:44:04 +10:30
Rusty Russell
e120f87083 Makefile: create a library containing common, wire and bitcoin objects.
This means we don't have to manually choose what to link against,
which is much of the complexity of our Makefiles: the compiler will
automatically use any object files it needs to link.

We already do this for ccan as libccan.a, now we have libcommon.a.

We don't link against it for *everything*, as some tests require their own
versions.

Notes:
1. I get rid of the weird plugins/test/Makefile2 (accidental commit?)
2. Many tests change due to update-mocks.
3. In some places I added the missing dependency on the Makefile itself, though most are in the next
   patch.

Before:
	Total program size:     221366528
	Total tests size:       364243856

After:
	Total program size:     190733656
	Total tests size:       337880888

Build time from make clean (RUST=0) (includes building external libs):

Before:
	real    0m38.227000-44.245000(41.8222+/-1.6)s
	user    3m2.105000-33.696000(23.1442+/-8.4)s
	sys     0m35.054000-42.269000(39.7231+/-2)s
After:
	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

Build time after touch config.vars (RUST=0):

Before:
	real    0m18.928000-22.776000(21.5084+/-1.1)s
	user    2m8.613000-36.567000(27.7281+/-7.7)s
	sys     0m20.458000-23.436000(22.3963+/-0.77)s

After:
	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

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

rusty@rusty-Framework:~/devel/cvs/lightni
2025-10-23 06:44:04 +10:30
Peter Neuroth
51e6387c8d test: refactor plugin to use parameter not envvar
Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-10-20 17:15:44 +10:30
Peter Neuroth
5932d3b766 test: check that features get removed when ...
a plugin is disabled during init.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-10-20 17:15:44 +10:30
Rusty Russell
bb6787df06 libplugin: allow sync interface to be used at all times.
After much thought and mis-steps, I chose a simple solution: open another fd
for sync comms.  It's almost impossible to know what state the async one is in.

jsonrpc_request_sync() is enhanced to return a valid tal object, as the current
behaviour of returning a pointer to inside an array was surprising.

Changelog-Changed: libplugin: you can now call the synchronous API functions at any time (not just in the init callback).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-08-19 13:37:50 +09:30
Rusty Russell
6799dbe656 xpay: add option to pay bip353.
Changelog-Added: JSON-RPC: `xpay` can now directly pay a BIP353 address, like `₿rusty@rustcorp.com.au`.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-08-18 14:57:46 +09:30
Rusty Russell
5d5741e681 libplugin: correctly wrap notifications we send in the notification name.
All the core notifications changed over to wrapping the notification
fields in an object with the name of the notification, but notifications
from plugins were missed.

Changelog-Added: Plugins: `channel_hint_update`, `pay_failure` and `pay_success` notifications now have objects of the same name containing the expected fields.
Changelog-Deprecated: Plugins: `channel_hint_update`, `pay_failure` and `pay_success` notification fields outside the same-named object.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-08-18 10:01:07 +09:30
Rusty Russell
16819f345d lightningd: make notifications from plugins just like native ones.
Rather than forcing them to wrap their parameters in a "payload"
sub-object, copy in params directly.  We include the "origin" field
one level up, if they care.

The next patch restores compatibility for the one place we currently use
them, which is the pay plugin.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Deprecated: pyln-client: plugin custom notifications origins and payload (use parameters directly)
2025-08-18 10:01:07 +09:30
Rusty Russell
fc5edea999 pyln-client: adapt for modern plugin notifications.
For older lightningd, we copy field into the raw dict, for newer we recreate the old
"payload" member.

We do fix up the custom_notification test which set params to a string instead of a dict:
that's just weird!

We also change the hacky parsing to proper dict extraction.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Changed: pyln-client: plugin notifications parameters now exposed directly, not wrapped in `params` object.
2025-08-18 10:01:07 +09:30
Rusty Russell
733bdfa67d lightningd: add channel_type to openchannel & openchannel2 hooks.
An obvious omission!

Changelog-Added: Plugins: `openchannel` and `openchannel2` hooks now expose the `channel_type` field for the offered channel.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-08-15 11:11:39 +09:30
Peter Neuroth
dbbb113123 tests: Add tests for extra_tlvs in hook
Adds some testcases for custom tlvs, set by a htlc_accepted_hook. We
check that the custom tlvs replace the update_add_htlc_tlvs and get
forwarded to the peer. We also check that a malformed tlv will result in
a **BROKEN** behaviour.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-08-14 18:57:05 +09:30
Peter Neuroth
ef52de88aa channeld: Add extra_tlvs to incomming wire msg
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>
2025-08-14 18:57:05 +09:30
Peter Neuroth
f4cc633c6f channeld: add extra_tlvs from update_add_htlc msg
We currently only consider known tlv types in the internal
representation of a htlc. This commit adds the remaining unknown tlv
fields to the htlc as well. This is in prepareation to forward these to
the htlc_accepted_hook.

Signed-off-by: Peter Neuroth <pet.v.ne@gmail.com>
2025-08-14 18:57:05 +09:30
Rusty Russell
c88ec27de3 pytest: test xpay notifications.
The custom_notifications handler produces really ugly results, and I
was lazy, but it works!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2025-08-14 16:52:44 +09:30