Commit Graph

283 Commits

Author SHA1 Message Date
niftynei
f24bbac8d9 channel leases: pass expected lease rates around in compat form
We need to know what the lease we're expecting is. To do this
we pass around the hex encoded portion of the wire format.

We can use this passed in expected lease rates to confirm that the peer
is, in fact, using the same rates as what we have currently.

Changelog-Added: JSON-RPC: fundchannel, multifundchannel, and openchannel_init now accept a 'compact_lease' for any requested funds
2021-07-20 13:28:38 -04:00
niftynei
876ff6821e setleaserates: new RPC to pass in lease rates
Changelog-Experimental: JSON-RPC: new RPC `setleaserates`, for passing in the rates to advertise for a channel lease (option_will_fund)
2021-07-20 13:28:38 -04:00
Rusty Russell
75720ad0e1 lightningd: wait for gossipd to finish initalizing before starting plugins.
This mainly helps our CI under valgrind, which starts a fresh instance
and immediately calls the invoice command.  This can cause the topology
plugin to try to access the gossmap file before it's created.

We can also move the gossmap reading in topology to init time.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-06-16 10:29:17 +09:30
Rusty Russell
7e7ab4cb3b gossipd: remove routing, listchannels and listnodes infrastructure.
This involves removing some fields from the now-misnamed routing.h
datastructures, and various internal messages.

One non-obvious change is to our "keepalive" logic which refreshes
channels every 13 days: instead of using the 'enabled' flag on the
last channel broadcast to decide whether to refresh it, we use the
local connected status directly.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-06-16 10:29:17 +09:30
Rusty Russell
280f5a71a8 plugins/topology: add listnodes command.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-06-16 10:29:17 +09:30
Rusty Russell
63d97d2467 plugins/topology: listchannels command.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-06-16 10:29:17 +09:30
Rusty Russell
e81e640e76 topology: plugin to implement getroute command.
Temporarily rename old getroute to getrouteold (we will remove this).

Changelog-Changed: JSON-RPC: `getroute` is now implemented in a plugin.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-06-16 10:29:17 +09:30
Rusty Russell
e531a38963 gossipd / plugin: clean up names in struct route_hop.
We're going to unify them, but the names are not the normal ones.

Fix that first.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-05-22 17:53:04 +09:30
Rusty Russell
1a85edd207 lightningd: no longer forward failures to gossipd, let caller do it.
We fix up the test by using pay, instead of sendpay (and making pay log
the expected message).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Changed: sendpay no longer extracts updates from errors, the caller should do it from the `raw_message`.
2021-02-02 13:44:01 +01:00
Rusty Russell
3c5502426b lightningd: addgossip API to inject gossip messages.
Importantly, this is synchronous, so pay will be able to use it
reliably.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-02-02 13:44:01 +01:00
Rusty Russell
fc3e679c97 lightningd: control onion messages by experimental-onion-messages option.
Note that this also changes so the feature is not represented in channels,
reflecting the recent drafts.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: `experimental-onion-messages` enables send, receive and relay of onion messages.
2021-01-13 14:45:36 +01:00
Rusty Russell
9d57612415 gossipd, channeld: handle onion messages in gossipd so we don't need a channel.
The previous onion_message code required a confirmed, not-shutting-down
channel, not just a connection.  That's overkill; plus before widespread
adoption we will want to connect directly as a last resort.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2021-01-09 14:34:35 +10:30
Rusty Russell
c34c055d82 Makefile: use completely separate spec-derived files for EXPERIMENTAL_FEATURES
This avoids overwriting the ones in git, and generally makes things neater.

We have convenience headers wire/peer_wire.h and wire/onion_wire.h to
avoid most #ifdefs: simply include those.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-09-08 09:42:00 +09:30
Rusty Russell
39e4796ae3 json_command: command_fail_badparam helper.
It's common to want to complain a token is not what we expected.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-09-02 09:46:37 +09:30
Rusty Russell
8150d28575 Makefile: use generic rules to make spec-derived sources.
Now we use the same Makefile rules for all CSV->C generation.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-08-31 21:33:26 -05:00
Rusty Russell
dffbf8de85 gossipd: convert wire to new scheme.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-08-25 12:53:13 +09:30
Rusty Russell
1702c7a69a hsmd: convert to new wire generation style.
Note that other directories were explicitly depending on the generated
file, instead of relying on their (already existing) dependency on 
$(LIGHTNINGD_HSM_CLIENT_OBJS), so we remove that.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-08-25 12:53:13 +09:30
Rusty Russell
046b402c18 gossipd: return channel_announcement features for listchannels.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON API: `listchannels` now shows channel `features`.
2020-05-07 08:44:58 +09:30
Rusty Russell
490a819402 lightningd: add blinding and enctlv field to struct route_hop.
This will be used when we want to specify these in a route.  But for now, they
only alter gossipd, which always sets them to NULL.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-04-14 12:51:18 +09:30
Rusty Russell
2f1502abf4 cleanup: make 'u8 *features' and 'struct feature_set *fset' more explicit.
It's almost always "their_features" and "our_features" respectively, so
make those names clear.

Suggested-by: @cdecker
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-04-03 13:13:21 +10:30
Rusty Russell
b7db588a8a plugin: remove boutique features.
We now manipulate the global features directly.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-03-31 13:36:02 +02:00
Rusty Russell
c95e58ad4b subdaemons: initialize feature routines with explicit feature_set.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-03-31 13:36:02 +02:00
Rusty Russell
7f32a844f9 listnodes/listpeers/peer_connected: remove deprecated globalfeatures and localfeatures
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Removed: JSON: `listnodes` `globalfeatures` output (`features` since in 0.7.3).
Changelog-Removed: JSON: `listpeers` `localfeatures` and `globalfeatures` output (`features` since in 0.7.3).
Changelog-Removed: JSON: `peer_connected` hook `localfeatures` and `globalfeatures` output (`features` since in 0.7.3).
2020-03-30 12:47:01 +02:00
Rusty Russell
f8a21f16c9 lightingd: do a local short_channel_id lookup for forwarding.
Even without optimization, it's faster to walk all the channels than
ping another daemon and wait for the response.

Changelog-Changed: Forwarding messages is now much faster (less inter-daemon traffic)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-02-28 09:44:47 +10:30
Rusty Russell
247d249ea8 gossipd: provide helper to get a channels cupdate, create routine to use it.
The idea is that gossipd can give us the cupdate we need for an error, and
we wire things up so that we ask for it (async) just before we send the
error to the subdaemon.

I tried many other things, but they were all too high-risk.

1. We need to ask gossipd every time, since it produces these lazily
   (in particular, it doesn't actually generate an offline update unless
   the channel is used).
2. We can't do async calls in random places, since we'll end up with
   an HTLC in limbo.  What if another path tries to fail it at the same time?
3. This allows us to use a temporary_node_failure error, and upgrade it
   when gossipd replies.  This doesn't change any existing assumptions.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-02-28 09:44:47 +10:30
Vasil Dimov
89ceb273f5 wire: remove towire_double()
Before this patch we used to send `double`s over the wire by just
copying them. This is not portable because the internal represenation
of a `double` is implementation specific.

Instead of this, multiply any floating-point numbers that come from
the outside (e.g. JSONs) by 1 million and round them to integers when
handling them.

* Introduce a new param_millionths() that expects a floating-point
  number and returns it multipled by 1000000 as an integer.

* Replace param_double() and param_percent() with param_millionths()

* Previously the riskfactor would be allowed to be negative, which must
  have been unintentional. This patch changes that to require a
  non-negative number.

Changelog-None
2020-02-27 09:07:04 +10:30
Christian Decker
ebd3a8d7f2 plugin: Add featurebits registered by plugins to node_announcements
This is the last venue we need to add custom featurebits to, so we also unmark
the test as xfail.

Changelog-Added: plugin: Plugins can now signal support for experimental protocol extensions by registering featurebits for `node_announcement`s, the connection handshake, and for invoices. For now this is limited to non-dynamic plugins only
2020-02-11 13:53:31 +10:30
Rusty Russell
c83834ca82 lightningd: expose/accept "style" parameter in routes.
Default is legacy.  If we have future styles, new strings can be defined,
but for now it's "tlv" or "legacy".

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-11-14 10:15:33 +01:00
Rusty Russell
997e3f7fe6 lightningd: move json_add_route into gossip_control.c and make static.
There's only one caller.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-11-14 10:15:33 +01:00
Rusty Russell
bd55f6d940
common/features: only support a single feature bitset.
This is mainly an internal-only change, especially since we don't
offer any globalfeatures.

However, LND (as of next release) will offer global features, and also
expect option_static_remotekey to be a *global* feature.  So we send
our (merged) feature bitset as both global and local in init, and fold
those bitsets together when we get an init msg.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-10-11 02:52:04 +00:00
Rusty Russell
33c658ecfb gossipd: advertize all our features in node_announcement.
This preempts the acceptance of
https://github.com/lightningnetwork/lightning-rfc/pull/666 but it's
clear that feature bits are going to be distinct, so this is safe to
do anyway.

See https://github.com/lightningnetwork/lightning-rfc/pull/680

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-10-07 05:51:05 +00:00
Christian Decker
ef7a63d8f8 elements: Move from a global is_elements to a global chainparams
We now have a pointer to chainparams, that fails valgrind if we do anything
chain-specific before setting it.

Suggested-by: Rusty Russell <@rustyrussell>
2019-10-03 04:32:57 +00:00
Rusty Russell
aab9e9f010 gossipd: remove internal dev helpers for queries.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-30 07:08:07 +00:00
Rusty Russell
d24c850899 gossipd: restore a flag for fast pruning
I was seeing some accidental pruning under load / Travis, and in
particular we stopped accepting channel_updates because they were 103
seconds old.  But making it too long makes the prune test untenable,
so restore a separate flag that this test can use.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-27 00:01:34 +00:00
Rusty Russell
6f9c5f2936 gossipd: get fed the blockheight from lightningd when we know it.
This will let gossipd be more intelligent about gossiping before we're
synced, and also it might know how far behind we are.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-25 04:01:56 +00:00
trueptolemy
d8dce6e61f cleanup: Use u32 as the type of max_hops in gossipd 2019-09-24 16:01:24 +02:00
Rusty Russell
147eaced2e developer: consolidiate gossip timing options into one --dev-fast-gossip.
It's generally clearer to have simple hardcoded numbers with an
#if DEVELOPER around it, than apparent variables which aren't, really.

Interestingly, our pruning test was always kinda broken: we have to pass
two cycles, since l2 will refresh the channel once to avoid pruning.

Do the more obvious thing, and cut the network in half and check that
l1 and l3 time out.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-20 06:55:00 +00:00
Rusty Russell
178baeba6c gossipd: get gossip_min_interval from lightningd.
Default is 5 x gossip interval == 5 minutes.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-20 06:55:00 +00:00
trueptolemy
5361a5d059 JSON-API: getroute now also support exclude nodes 2019-09-16 12:22:06 +08:00
Rusty Russell
a3273d4c84 developer: IFDEV() macro.
There are some more #if DEVELOPER one-liners coming, this makes them
clear, but still lets them stand out.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-12 05:11:56 +00:00
Rusty Russell
91072f56b0 developer: add 'dev-gossip-set-time' call to manipulate gossipd's time.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-12 05:11:56 +00:00
Rusty Russell
acf3952acc JSON: remove handling of pre-Adelaide (B:T:N) short_channel_ids.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-09-06 14:19:14 +02:00
Christian Decker
8b8538024d bitcoind: Defer initialization of filteredblock_call->result
During sync it is highly likely that we can coalesce multiple calls and share
results among them. We also report back failures for non-existing blocks early
on, so we don't run into issues with blocks that our bitcoind doesn't have
yet.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-08-20 00:07:38 +00:00
Christian Decker
187e493ab8 gossip: Stop backfilling the future
This was caused by us not checking against the max_blockheight, but rather the
min_blockheight which can be negative with a newly created node. This is still
safe since we check for duplicates anyway in `wallet_filteredblock_add`.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-08-20 00:07:38 +00:00
Rusty Russell
69b7ef1508 lightningd: fix up typesafe-cb bitcoind_getfilteredblock
`const struct filteredblock *` everywhere, as the typesafe_cb_preargs
macro required.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-08-09 02:31:51 +00:00
Rusty Russell
99236f86f9 lightningd: rename 'satoshis' to 'amount' to avoid confusing check-source.
The type is enough (it's a struct amount_sat) to avoid confusion with
btc or msats.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-08-09 02:31:51 +00:00
Christian Decker
379079c5f3 gossip: Only backfill blocks that are below our birth height
If we were to just insert filtered blocks in the range that we will scan later
we'd be hitting the uniqueness constraints later.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-08-09 02:31:51 +00:00
Christian Decker
98447e454e gossip: Use the getfilteredblock method to look up scid outputs
Just a tiny shim to reconcile the `get_output` with `getfileteredblock`.

Signed-off-by: Christian Decker <decker.christian@gmail.com>
2019-08-09 02:31:51 +00:00
Rusty Russell
bb7bbd03c5 lightningd: have json_stream_success start the "result" object.
"result" should always be an object (so that we can add new fields),
so make that implicit in json_stream_success.

This makes our primitives well-formed: we previously used NULL as our
fieldname when calling the first json_object_start, which is a hack
since we're actually in an object and the fieldname is 'result' (which
was already written by json_object_start).

There were only two cases which didn't do this:
1. dev-memdump returned an array.  No API guarantees on this.
2. shutdown returned a string.

I temporarily made shutdown return an empty object, which shouldn't
break anything, but I want to fix that later anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-06-12 02:00:15 +00:00
Rusty Russell
220449e1cd ccan: import ccan/json_out and ccan/json_escape.
These are generalized from our internal implementations.

The main difference is that 'struct json_escaped' is now 'struct
json_escape', so we replace that immediately.

The difference between lightningd's json-writing ringbuffer and the
more generic ccan/json_out is that the latter has a better API and
handles escaping transparently if something slips through (though
it does offer direct accessors so you can mess things up yourself!).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-06-12 02:00:15 +00:00