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22 months agoRemove the `ChannelMonitor` secp context 2023-01-monitor-eq
Matt Corallo [Thu, 26 Jan 2023 02:21:31 +0000 (02:21 +0000)]
Remove the `ChannelMonitor` secp context

`ChannelMonitor` indirectly already has a context - the
`OnchainTxHandler` has one. This makes it trivial to remove the
existing one, so we do so for a free memory usage reduction.

22 months agoImplement `PartialEq` for `ChannelMonitor`
Matt Corallo [Thu, 26 Jan 2023 02:23:08 +0000 (02:23 +0000)]
Implement `PartialEq` for `ChannelMonitor`

It turns out `#[derive(PartialEq)]` will automatically bound the
`PartialEq` implementation by any bounds on the struct also being
`PartialEq`. This means to use an auto-derived `ChannelMonitor`
`PartialEq` the `EcdsaSigner` used must also be `PartialEq`, but
for the use-cases we have today for a `ChannelMonitor` `PartialEq`
it doesn't really matter - we use it internally in tests and
downstream users wanted similar test-only usage.

Fixes #1912.

22 months agoImplement `PartialEq`/`Eq` for `Event`s
Matt Corallo [Thu, 26 Jan 2023 01:51:43 +0000 (01:51 +0000)]
Implement `PartialEq`/`Eq` for `Event`s

22 months agoMerge pull request #1948 from alecchendev/custom-fail-back-err
Matt Corallo [Wed, 25 Jan 2023 23:24:49 +0000 (23:24 +0000)]
Merge pull request #1948 from alecchendev/custom-fail-back-err

Allow specifying an error when failing back HTLC

22 months agoMerge pull request #1799 from TheBlueMatt/2022-10-heap-nerdsnipe
Matt Corallo [Wed, 25 Jan 2023 23:19:13 +0000 (23:19 +0000)]
Merge pull request #1799 from TheBlueMatt/2022-10-heap-nerdsnipe

Router Optimizations

22 months agoAdd test_fail_htlc_backwards_with_reason
Alec Chen [Tue, 17 Jan 2023 04:50:58 +0000 (22:50 -0600)]
Add test_fail_htlc_backwards_with_reason

Add a test for newly added function failing back a basic payment
and ensuring the intended failure code and data are sent back
to the peer.

22 months agoAdd FailureCode enum and ChannelManager::fail_htlc_backwards_with_reason
Alec Chen [Wed, 25 Jan 2023 18:27:59 +0000 (12:27 -0600)]
Add FailureCode enum and ChannelManager::fail_htlc_backwards_with_reason

FailureCode is used to specify which error code and data to send
to peers when failing back an HTLC.

ChannelManager::fail_htlc_backwards_with_reason
allows a user to specify the error code and
corresponding data to send to peers when failing back an HTLC.
This function is mentioned in Event::PaymentClaimable docs.
ChannelManager::get_htlc_fail_reason_from_failure_code was also
added to assist with this function.

22 months agoClean up `compute_fees` and add a saturating variant 2022-10-heap-nerdsnipe
Matt Corallo [Wed, 25 Jan 2023 17:42:20 +0000 (17:42 +0000)]
Clean up `compute_fees` and add a saturating variant

Often when we call `compute_fees` we really just want it to
saturate and we deal with `u64::max_value` later. In that case,
we're much better off doing the saturating in the `compute_fees` as
it can use CMOVs rather than branching at each step and then
`unwrap_or`ing at the callsite.

22 months agoAdd a fuzzer to check that `IndexedMap` is equivalent to `BTreeMap`
Matt Corallo [Thu, 19 Jan 2023 20:24:22 +0000 (20:24 +0000)]
Add a fuzzer to check that `IndexedMap` is equivalent to `BTreeMap`

22 months agoSwap `IndexedMap` implementation for a `HashMap`+B-Tree
Matt Corallo [Thu, 19 Jan 2023 17:59:10 +0000 (17:59 +0000)]
Swap `IndexedMap` implementation for a `HashMap`+B-Tree

Our network graph has to be iterable in a deterministic order and
with the ability to iterate over a specific range. Thus,
historically, we've used a `BTreeMap` to do the iteration. This is
fine, except our map needs to also provide high performance lookups
in order to make route-finding fast. Sadly, `BTreeMap`s are quite
slow due to the branching penalty.

Here we replace the implementation of our `IndexedMap` with a
`HashMap` to store the elements itself and a `BTreeSet` to store
the keys set in sorted order for iteration.

As of this commit on the same hardware as the above few commits,
the benchmark results are:

```
test routing::router::benches::generate_mpp_routes_with_probabilistic_scorer ... bench: 109,544,993 ns/iter (+/- 27,553,574)
test routing::router::benches::generate_mpp_routes_with_zero_penalty_scorer  ... bench:  81,164,590 ns/iter (+/- 55,422,930)
test routing::router::benches::generate_routes_with_probabilistic_scorer     ... bench:  34,726,569 ns/iter (+/- 9,646,345)
test routing::router::benches::generate_routes_with_zero_penalty_scorer      ... bench:  22,772,355 ns/iter (+/- 9,574,418)
```

22 months agoAdd a new `IndexedMap` type and use it in network graph storage
Matt Corallo [Tue, 25 Oct 2022 03:50:07 +0000 (03:50 +0000)]
Add a new `IndexedMap` type and use it in network graph storage

Our network graph has to be iterable in a deterministic order and
with the ability to iterate over a specific range. Thus,
historically, we've used a `BTreeMap` to do the iteration. This is
fine, except our map needs to also provide high performance lookups
in order to make route-finding fast. Sadly, `BTreeMap`s are quite
slow due to the branching penalty.

Here we replace the `BTreeMap`s in the scorer with a dummy wrapper.
In the next commit the internals thereof will be replaced with a
`HashMap`-based implementation.

22 months agoDrop A* implementation in the router for simple Dijkstra's
Matt Corallo [Tue, 25 Oct 2022 03:15:03 +0000 (03:15 +0000)]
Drop A* implementation in the router for simple Dijkstra's

As evidenced by the previous commit, it appears our A* router
does worse than a more naive approach. This isn't super surpsising,
as the A* heuristic calculation requires a map lookup, which is
relatively expensive.

```
test routing::router::benches::generate_mpp_routes_with_probabilistic_scorer ... bench: 169,991,943 ns/iter (+/- 30,838,048)
test routing::router::benches::generate_mpp_routes_with_zero_penalty_scorer  ... bench: 122,144,987 ns/iter (+/- 61,708,911)
test routing::router::benches::generate_routes_with_probabilistic_scorer     ... bench:  48,546,068 ns/iter (+/- 10,379,642)
test routing::router::benches::generate_routes_with_zero_penalty_scorer      ... bench:  32,898,557 ns/iter (+/- 14,157,641)
```

22 months agoMerge pull request #1983 from valentinewallace/2022-01-update-contributingmd
Matt Corallo [Wed, 25 Jan 2023 01:59:52 +0000 (01:59 +0000)]
Merge pull request #1983 from valentinewallace/2022-01-update-contributingmd

22 months agoMerge pull request #1878 from dunxen/2022-11-config-minfinalcltvexpiry
Matt Corallo [Tue, 24 Jan 2023 22:35:55 +0000 (22:35 +0000)]
Merge pull request #1878 from dunxen/2022-11-config-minfinalcltvexpiry

Allow configurable `min_final_cltv_expiry_delta`

22 months agocontributing.md: fix link and link to CoC
Valentine Wallace [Tue, 24 Jan 2023 22:33:14 +0000 (17:33 -0500)]
contributing.md: fix link and link to CoC

22 months agoMerge pull request #1967 from arik-so/2023-01-rename-signer-traits
Arik [Tue, 24 Jan 2023 21:20:26 +0000 (13:20 -0800)]
Merge pull request #1967 from arik-so/2023-01-rename-signer-traits

Split out `EcdsaChannelSigner` method from `BaseSign`, and rename it to `ChannelSigner`

22 months agoAdd new payment type and metadata bytes
Duncan Dean [Thu, 24 Nov 2022 20:31:16 +0000 (22:31 +0200)]
Add new payment type and metadata bytes

Adds two new payment `Method`s for identifying payments with custom
`min_final_cltv_expiry_delta` as payments with LDK or user payment
hashes.

The `min_final_cltv_expiry_delta` value is packed into the first 2
bytes of the expiry timestamp in the payment secret metadata.

22 months agoAdd `min_final_cltv_expiry` parameter to invoice utils
Duncan Dean [Mon, 21 Nov 2022 12:53:52 +0000 (14:53 +0200)]
Add `min_final_cltv_expiry` parameter to invoice utils

All utility functions for invoice construction will now also accept an
Option<>al `min_final_cltv_expiry_delta` which is useful for things like
swaps etc. The `min_final_cltv_expiry_delta` will default back to
`MIN_FINAL_CLTV_EXPIRY_DELTA` if `None` is provided.

22 months agoAdd `_delta` suffix to `min_final_cltv_expiry`
Duncan Dean [Tue, 29 Nov 2022 10:47:00 +0000 (12:47 +0200)]
Add `_delta` suffix to `min_final_cltv_expiry`

This matches the spec and helps avoid any confusion around
naming. We're also then consistent with `cltv_expiry` in an HTLC being
the actual block height value for the CLTV and not a delta.

22 months agoMake `Channel` and `ChannelManager` less particular about their `Signer` type.
Arik Sosman [Fri, 20 Jan 2023 00:41:15 +0000 (16:41 -0800)]
Make `Channel` and `ChannelManager` less particular about their `Signer` type.

22 months agoRename `Sign` to `WriteableEcdsaChannelSigner`.
Arik Sosman [Thu, 19 Jan 2023 23:51:38 +0000 (15:51 -0800)]
Rename `Sign` to `WriteableEcdsaChannelSigner`.

22 months agoSeparate channel-type-agnostic methods into `ChannelSigner` trait.
Arik Sosman [Wed, 18 Jan 2023 04:33:54 +0000 (20:33 -0800)]
Separate channel-type-agnostic methods into `ChannelSigner` trait.

22 months agoRename `BaseSign` to `EcdsaChannelSigner`.
Arik Sosman [Wed, 18 Jan 2023 00:30:32 +0000 (16:30 -0800)]
Rename `BaseSign` to `EcdsaChannelSigner`.

22 months agoMerge pull request #1926 from jkczyz/2022-12-invoice
Matt Corallo [Mon, 23 Jan 2023 23:18:09 +0000 (23:18 +0000)]
Merge pull request #1926 from jkczyz/2022-12-invoice

BOLT 12 `invoice` encoding and building

22 months agoFix unused_imports warning in no-std tests
Jeffrey Czyz [Thu, 19 Jan 2023 04:14:35 +0000 (22:14 -0600)]
Fix unused_imports warning in no-std tests

22 months agoInvoice parsing tests
Jeffrey Czyz [Mon, 16 Jan 2023 05:59:49 +0000 (23:59 -0600)]
Invoice parsing tests

Tests for checking invoice semantics when parsing invoice bytes as
defined by BOLT 12.

22 months agoInvoice building tests
Jeffrey Czyz [Mon, 16 Jan 2023 04:26:52 +0000 (22:26 -0600)]
Invoice building tests

Tests for checking invoice message semantics when building an invoice as
defined by BOLT 12.

22 months agoExpand invoice module docs and include an example
Jeffrey Czyz [Wed, 18 Jan 2023 15:54:13 +0000 (09:54 -0600)]
Expand invoice module docs and include an example

22 months agoUse SystemTime::now() for Invoice creation time
Jeffrey Czyz [Fri, 13 Jan 2023 05:02:39 +0000 (23:02 -0600)]
Use SystemTime::now() for Invoice creation time

For std builds, Invoice::created_at can be automatically set upon
construction using SystemTime::now() offset by SystemTime::UNIX_EPOCH.
Change InvoiceRequest::respond_with and Refund::respond_with to only
take a created_at parameter in no-std builds.

22 months agoBuilder for creating invoices for refunds
Jeffrey Czyz [Tue, 20 Dec 2022 15:33:11 +0000 (09:33 -0600)]
Builder for creating invoices for refunds

Add a builder for creating invoices for a refund and required fields.
Other settings are optional and duplicative settings will override
previous settings. Building produces a semantically valid `invoice`
message for the refund, which then can be signed with the key associated
with the provided signing pubkey.

22 months agoBuilder for creating invoices for offers
Jeffrey Czyz [Tue, 20 Dec 2022 04:23:39 +0000 (22:23 -0600)]
Builder for creating invoices for offers

Add a builder for creating invoices for an offer from a given request
and required fields. Other settings are optional and duplicative
settings will override previous settings. Building produces a
semantically valid `invoice` message for the offer, which then can be
signed with the key associated with the offer's signing pubkey.

22 months agoInvoice encoding and parsing
Jeffrey Czyz [Mon, 12 Sep 2022 14:30:06 +0000 (09:30 -0500)]
Invoice encoding and parsing

Define an interface for BOLT 12 `invoice` messages. The underlying
format consists of the original bytes and the parsed contents.

The bytes are later needed for serialization. This is because it must
mirror all the `offer` and `invoice_request` TLV records, including
unknown ones, which aren't represented in the contents.

Invoices may be created for an Offer (from an InvoiceRequest) or for a
Refund. The primary difference is how the signing pubkey is given -- by
the writer of the offer or the reader of the refund.

22 months agoUpdate min-inbound-fee values on `NetworkGraph` load
Matt Corallo [Thu, 19 Jan 2023 18:24:30 +0000 (18:24 +0000)]
Update min-inbound-fee values on `NetworkGraph` load

Historically we've had various bugs in keeping the
`lowest_inbound_channel_fees` field in `NodeInfo` up-to-date as we
go. This leaves the A* routing less efficient as it can't prune
hops as aggressively.

In order to get accurate benchmarks, this commit updates the
minimum-inbound-fees field on load. This is not the most efficient
way of doing so, but suffices for fetching benchmarks and will be
removed in the coming commits.

Note that this is *slower* than the non-updating version in the
previous commit. While I haven't dug into this incredibly deeply,
the graph snapshot in use has min-fee info for only 9,618 of
20,818 nodes. Thus, it is my guess that with the graph snapshot
as-is the branch predictor is able to largely remove the A*
heuristic lookups, but with this change it is forced to wait for
A* heuristic map lookups to complete, causing a performance
regression.

```
test routing::router::benches::generate_mpp_routes_with_probabilistic_scorer ... bench: 182,980,059 ns/iter (+/- 32,662,047)
test routing::router::benches::generate_mpp_routes_with_zero_penalty_scorer  ... bench: 151,170,457 ns/iter (+/- 75,351,011)
test routing::router::benches::generate_routes_with_probabilistic_scorer     ... bench:  58,187,277 ns/iter (+/- 11,606,440)
test routing::router::benches::generate_routes_with_zero_penalty_scorer      ... bench:  41,210,193 ns/iter (+/- 18,103,320)
```

22 months agoUpdate the lightning graph snapshot used in benchmarks
Matt Corallo [Thu, 19 Jan 2023 04:41:02 +0000 (04:41 +0000)]
Update the lightning graph snapshot used in benchmarks

The previous copy was more than one and a half years old, the
lightning network has changed a lot since!

As of this commit, performance on my Xeon W-10885M with a
SK hynix Gold P31 storing a BTRFS volume is as follows:

```
test ln::channelmanager::bench::bench_sends                                  ... bench:   5,896,492 ns/iter (+/- 512,421)
test routing::gossip::benches::read_network_graph                            ... bench: 1,645,740,604 ns/iter (+/- 47,611,514)
test routing::gossip::benches::write_network_graph                           ... bench: 234,870,775 ns/iter (+/- 8,301,775)
test routing::router::benches::generate_mpp_routes_with_probabilistic_scorer ... bench: 166,155,032 ns/iter (+/- 30,206,162)
test routing::router::benches::generate_mpp_routes_with_zero_penalty_scorer  ... bench: 136,843,661 ns/iter (+/- 67,111,218)
test routing::router::benches::generate_routes_with_probabilistic_scorer     ... bench:  52,954,598 ns/iter (+/- 11,360,547)
test routing::router::benches::generate_routes_with_zero_penalty_scorer      ... bench:  37,598,126 ns/iter (+/- 17,262,519)
test bench::bench_sends                                                      ... bench:  37,760,922 ns/iter (+/- 5,179,123)
test bench::bench_reading_full_graph_from_file                               ... bench:      25,615 ns/iter (+/- 1,149)
```

22 months agoMerge pull request #1951 from wpaulino/remove-get-node-secret
Matt Corallo [Thu, 19 Jan 2023 03:49:15 +0000 (03:49 +0000)]
Merge pull request #1951 from wpaulino/remove-get-node-secret

22 months agoMerge pull request #1964 from TheBlueMatt/2023-01-no-debug-panics
Arik [Thu, 19 Jan 2023 01:41:54 +0000 (17:41 -0800)]
Merge pull request #1964 from TheBlueMatt/2023-01-no-debug-panics

Use test/_test_utils to enable single-threaded debug assertions

22 months agoRemove NodeSigner::get_node_secret
Wilmer Paulino [Wed, 18 Jan 2023 21:43:32 +0000 (13:43 -0800)]
Remove NodeSigner::get_node_secret

Secrets should not be exposed in-memory at the interface level as it
would be impossible the implement it against a hardware security
module/secure element.

22 months agoUse NodeSigner::ecdh to compute SharedSecrets
Wilmer Paulino [Wed, 18 Jan 2023 21:41:27 +0000 (13:41 -0800)]
Use NodeSigner::ecdh to compute SharedSecrets

22 months agoSign gossip messages with NodeSigner
Wilmer Paulino [Wed, 18 Jan 2023 21:03:20 +0000 (13:03 -0800)]
Sign gossip messages with NodeSigner

22 months agoAdd NodeSigner::sign_gossip_message
Wilmer Paulino [Wed, 18 Jan 2023 21:03:06 +0000 (13:03 -0800)]
Add NodeSigner::sign_gossip_message

Adds signing capability to NodeSigner for all gossip messages that
require a node signature.

22 months agoMerge pull request #1860 from wpaulino/open-channel-anchors-support
Matt Corallo [Thu, 19 Jan 2023 01:00:44 +0000 (01:00 +0000)]
Merge pull request #1860 from wpaulino/open-channel-anchors-support

Support opening anchor channels and test end-to-end unilateral close

22 months agoRemove unused NodeSigner implementations in tests
Wilmer Paulino [Wed, 18 Jan 2023 20:28:42 +0000 (12:28 -0800)]
Remove unused NodeSigner implementations in tests

These implementations have every method panic, so assuming that the test
suite passes, these implementations are never used.

22 months agoAlways set `_test_utils` when building lightning for some tests
Matt Corallo [Tue, 17 Jan 2023 23:39:41 +0000 (23:39 +0000)]
Always set `_test_utils` when building lightning for some tests

This ensures that we hit additional assertions which are intended
to always be run in tests.

22 months agoAdd test yielding anchor-related events
Wilmer Paulino [Thu, 25 Aug 2022 20:39:46 +0000 (13:39 -0700)]
Add test yielding anchor-related events

22 months agoAdd mine_transactions test util
Wilmer Paulino [Thu, 25 Aug 2022 20:39:09 +0000 (13:39 -0700)]
Add mine_transactions test util

22 months agoSupport negotiating anchors throughout channel open
Wilmer Paulino [Thu, 4 Aug 2022 20:22:59 +0000 (13:22 -0700)]
Support negotiating anchors throughout channel open

22 months agoEncoding for TLV stream without signature records
Jeffrey Czyz [Thu, 22 Dec 2022 15:33:41 +0000 (09:33 -0600)]
Encoding for TLV stream without signature records

When using bytes from an InvoiceRequest to constructing bytes for an
Invoice, any signature TLV records in the bytes must be excluded. Define
a wrapper for encoding such pre-serialized bytes in this manner. This
will allow the forthcoming InvoiceBuilder to construct bytes for an
Invoice properly.

22 months agoDefine TlvStream::skip_signatures
Jeffrey Czyz [Thu, 22 Dec 2022 15:10:21 +0000 (09:10 -0600)]
Define TlvStream::skip_signatures

Provide a helper for skipping signature TLV records from a TLV stream.
This prevents needing to duplicate the check for signature TLV records
when writing a TLV stream without signatures in an upcoming commit.

22 months agoDrop AsRef<[u8]> implementation for TlvRecord
Jeffrey Czyz [Thu, 22 Dec 2022 15:04:48 +0000 (09:04 -0600)]
Drop AsRef<[u8]> implementation for TlvRecord

Explicitly using TlvRecord::record_bytes makes reading the code more
obvious than hiding which bytes are used in AsRef<[u8]>::as_ref.

22 months agoMerge pull request #1956 from TheBlueMatt/2023-01-ser-cleanups
Matt Corallo [Wed, 18 Jan 2023 21:31:07 +0000 (21:31 +0000)]
Merge pull request #1956 from TheBlueMatt/2023-01-ser-cleanups

Trivial Serialization Tweaks

22 months agoMerge pull request #1968 from lexe-tech/max/net-tokio-no-arc
Jeffrey Czyz [Wed, 18 Jan 2023 16:26:39 +0000 (10:26 -0600)]
Merge pull request #1968 from lexe-tech/max/net-tokio-no-arc

lightning-net-tokio: Don't require `Arc<PeerManager>`

22 months agolightning-net-tokio: Don't require `Arc<PeerManager>`
Max Fang [Wed, 18 Jan 2023 04:37:10 +0000 (20:37 -0800)]
lightning-net-tokio: Don't require `Arc<PeerManager>`

22 months agoMerge pull request #1962 from TheBlueMatt/2023-01-bp-no-std
Matt Corallo [Tue, 17 Jan 2023 23:48:48 +0000 (23:48 +0000)]
Merge pull request #1962 from TheBlueMatt/2023-01-bp-no-std

Use the user-provided `SleepFuture` for interval checks in `background-processor`

22 months agoUse `test`/`_test_utils` to enable single-threaded debug assertions 2023-01-no-debug-panics
Matt Corallo [Tue, 17 Jan 2023 23:40:44 +0000 (23:40 +0000)]
Use `test`/`_test_utils` to enable single-threaded debug assertions

We have a number of debug assertions which are expected to never
fire when running in a single thread. This is just fine in tests,
and gives us good coverage of our lockorder requirements, but is
not-irregularly surprising to users, who may run with their own
debug assertions in test environments.

Instead, we gate these checks by the `cfg(test)` setting as well as
the `_test_utils` feature, ensuring they run in our own tests, but
not downstream tests.

22 months agoAlways set `_test_utils` when building lightning for some tests
Matt Corallo [Tue, 17 Jan 2023 23:39:41 +0000 (23:39 +0000)]
Always set `_test_utils` when building lightning for some tests

This ensures that we hit additional assertions which are intended
to always be run in tests.

22 months agoMerge pull request #1960 from tnull/2023-01-deref-router-in-invoicepayer
Matt Corallo [Tue, 17 Jan 2023 23:21:22 +0000 (23:21 +0000)]
Merge pull request #1960 from tnull/2023-01-deref-router-in-invoicepayer

Make `InvoicePayer`'s `Router` `Deref`

22 months agoMerge pull request #1957 from TheBlueMatt/2022-01-mon-ref-lockorder
Matt Corallo [Tue, 17 Jan 2023 23:09:05 +0000 (23:09 +0000)]
Merge pull request #1957 from TheBlueMatt/2022-01-mon-ref-lockorder

Pass MonitorUpdates by ref and tweak manager lockorder

22 months agoDefine option_anchors_zero_fee_htlc_tx feature bit
Wilmer Paulino [Tue, 2 Aug 2022 21:48:38 +0000 (14:48 -0700)]
Define option_anchors_zero_fee_htlc_tx feature bit

22 months agoFix stale reference to BaseSign::ready_channel
Wilmer Paulino [Mon, 12 Dec 2022 23:43:40 +0000 (15:43 -0800)]
Fix stale reference to BaseSign::ready_channel

22 months agoAdd missing space in DebugTx logging
Wilmer Paulino [Thu, 8 Dec 2022 18:59:20 +0000 (10:59 -0800)]
Add missing space in DebugTx logging

22 months agoUse a variable-length integer for many serialization wrappers 2023-01-ser-cleanups
Matt Corallo [Mon, 28 Nov 2022 01:00:38 +0000 (01:00 +0000)]
Use a variable-length integer for many serialization wrappers

The lightning protocol uses u16s for lengths in most cases. As our
serialization framework primarily targets that, we must as well.
However, because we may serialize objects that have  more than 65K
entries, we want to be able to store larger values. Thus, we define
a variable length integer here which is backwards-compatible but
treats 0xffff as "read eight more bytes".

This doesn't address any specific known issue, but feels like good
practice just in case.

22 months agoMake `background-processor` no-std-friendly (ish) 2023-01-bp-no-std
Matt Corallo [Tue, 17 Jan 2023 00:16:48 +0000 (00:16 +0000)]
Make `background-processor` no-std-friendly (ish)

This makes `background-processor` build without `std` at all. This
isn't particularly useful in the general no-std case as
`background-processor` is only useful with the `futures` feature,
and async will generally need `std` in some way or another. Still,
it ensures we don't end up reintroducing a dependency on the
current time, which breaks `wasm` use-cases.

22 months agoMerge pull request #1955 from TheBlueMatt/2023-01-1950-message-text
Matt Corallo [Tue, 17 Jan 2023 17:49:29 +0000 (17:49 +0000)]
Merge pull request #1955 from TheBlueMatt/2023-01-1950-message-text

Fix link text in `reply_short_channel_ids_end`

22 months agoMerge pull request #1963 from lexe-tech/max/derive-debug
Matt Corallo [Tue, 17 Jan 2023 17:03:13 +0000 (17:03 +0000)]
Merge pull request #1963 from lexe-tech/max/derive-debug

derive `Debug` for `ConfirmationTarget`

22 months agoderive `Debug` for `ConfirmationTarget`
Max Fang [Tue, 17 Jan 2023 04:15:01 +0000 (20:15 -0800)]
derive `Debug` for `ConfirmationTarget`

22 months agoMerge pull request #1959 from danielgranhao/stop-passing-init-features-in-msg-handlers
Matt Corallo [Tue, 17 Jan 2023 01:26:31 +0000 (01:26 +0000)]
Merge pull request #1959 from danielgranhao/stop-passing-init-features-in-msg-handlers

Stop passing `InitFeatures` in msg handlers

22 months agoMerge pull request #1939 from TheBlueMatt/2022-01-fuzz-hashbrown
Matt Corallo [Tue, 17 Jan 2023 00:55:37 +0000 (00:55 +0000)]
Merge pull request #1939 from TheBlueMatt/2022-01-fuzz-hashbrown

Misc fuzzing tweaks

22 months agoUse the user-provided `SleepFuture` for interval checks in BP
Matt Corallo [Tue, 17 Jan 2023 00:03:43 +0000 (00:03 +0000)]
Use the user-provided `SleepFuture` for interval checks in BP

`background-processor` does a number of jobs on various timers.
Instead of doing those by interrogating `std::time::Instant`, this
change swaps to using the existing user-provided sleep future.

Fixes #1864.

22 months agoUse flexible timer types in background processor's regular jobs
Matt Corallo [Mon, 16 Jan 2023 23:47:11 +0000 (23:47 +0000)]
Use flexible timer types in background processor's regular jobs

`background-processor` does a number of jobs on various timers.
Currently, those are all done by checking the timers every 100ms
by interrogating `std::time::Instant`. This is fine for the
threaded version, but we'd like more flexibility in the `futures`-
based `background-processor`.

Here we swap the `std::time::Instant` interrogation for a lambda
which we will switch out to the user-provided sleeper in the next
commit.

22 months agoMake `InvoicePayer`'s `Router` `Deref`
Elias Rohrer [Mon, 16 Jan 2023 22:54:53 +0000 (16:54 -0600)]
Make `InvoicePayer`'s `Router` `Deref`

As of HEAD the `ChannelManager` is parametrized by a `Router`, while
`InvoicePayer` also owns a `Router`. In order to allow for a single
object being reused, we make the `InvoicePayer` side `Deref`.

22 months agoStop passing `InitFeatures` in msg handlers
Daniel Granhão [Mon, 16 Jan 2023 20:34:59 +0000 (20:34 +0000)]
Stop passing `InitFeatures` in msg handlers

22 months agoSwap per_peer_state lock order 2022-01-mon-ref-lockorder
Matt Corallo [Thu, 12 Jan 2023 02:14:20 +0000 (02:14 +0000)]
Swap per_peer_state lock order

22 months agoPass monitor updates by reference, not owned
Matt Corallo [Sat, 12 Nov 2022 18:26:38 +0000 (18:26 +0000)]
Pass monitor updates by reference, not owned

In the next commit(s) we'll start holding `ChannelMonitorUpdate`s
that are being persisted in `Channel`s until they're done
persisting. In order to do that, switch to applying the updates by
reference instead of value.

22 months agoUse `ChannelUnavailable` for a peer disconnecting not `MisuseError` 2022-01-fuzz-hashbrown
Matt Corallo [Sun, 15 Jan 2023 23:37:00 +0000 (23:37 +0000)]
Use `ChannelUnavailable` for a peer disconnecting not `MisuseError`

This fixes a crash in the `full_stack_target` fuzz test (found by
Chaincode's generous fuzzing infrastructure!) but ultimately is a
better error code - a peer disconnecting before we can fund a
channel isn't a "misuse error" its an unavailable channel.

22 months agoMake fuzz assertions explicit in Cargo.toml
Matt Corallo [Fri, 6 Jan 2023 20:11:27 +0000 (20:11 +0000)]
Make fuzz assertions explicit in Cargo.toml

22 months agoDo not rely on auto-deref'ing when aaccessing a `Hash{Map,Set}`
Matt Corallo [Fri, 6 Jan 2023 20:05:07 +0000 (20:05 +0000)]
Do not rely on auto-deref'ing when aaccessing a `Hash{Map,Set}`

In newer versions of `hashbrown` this code would be broken. While
we aren't updating `hashbrown` any time soon (as it requires an
MSRV bump), it is useful to swap for a newer `hashbrown` when
fuzzing, which this makes easier.

22 months agoSwitch to hashbrown in fuzzing
Matt Corallo [Fri, 6 Jan 2023 19:53:47 +0000 (19:53 +0000)]
Switch to hashbrown in fuzzing

hashbrown by default uses ahash, which may be a bit faster, but
more importantly, if we upgrade to hashbrown 0.13/ahash 0.8 we can
make it use a constant randomization factor, making fuzzers happier.

22 months agoBump fuzz `afl` dependency to latest upstream version
Matt Corallo [Fri, 6 Jan 2023 19:52:24 +0000 (19:52 +0000)]
Bump fuzz `afl` dependency to latest upstream version

22 months agoConvert `Vec` de/serialization impl to a macro and impl for tuples
Matt Corallo [Mon, 28 Nov 2022 00:42:15 +0000 (00:42 +0000)]
Convert `Vec` de/serialization impl to a macro and impl for tuples

...to make it easier to add new implementations and implement it
for all tuples which implement `Readabe` + `Writeable`. Note that
we don't want to just convert to a blanket implementation as we'd
really like to keep our optimized `Vec<u8>` wrapper or we'll end
up spinning way too much when writing vecs of bytes.

22 months agoAdd support for including `ignorable` types in enum de/ser macros
Matt Corallo [Tue, 22 Nov 2022 22:41:13 +0000 (22:41 +0000)]
Add support for including `ignorable` types in enum de/ser macros

An enum implements de/serialization via
`impl_writeable_tlv_based_enum_upgradable` currently cannot contain
an object that only implements `MaybeReadable`.

This solves that by implementing the required blocks for
`ignorable`, opting to return `Ok(None)` in the top-level read in
cases where the inner field read returns `Ok(None)`.

22 months agoImplement (de)serialization for BTreeMap same as HashMap
Matt Corallo [Tue, 22 Nov 2022 21:55:39 +0000 (21:55 +0000)]
Implement (de)serialization for BTreeMap same as HashMap

22 months agoFix link text in `reply_short_channel_ids_end` 2023-01-1950-message-text
Matt Corallo [Sun, 15 Jan 2023 07:01:30 +0000 (07:01 +0000)]
Fix link text in `reply_short_channel_ids_end`

22 months agoMerge pull request #1950 from tnull/2023-01-fix-doc-warnings-and-nits
Matt Corallo [Sun, 15 Jan 2023 07:03:14 +0000 (07:03 +0000)]
Merge pull request #1950 from tnull/2023-01-fix-doc-warnings-and-nits

Fix doc warnings and doc cleanup in `msgs.rs`/`ser.rs`

22 months agoMerge pull request #1946 from wpaulino/init-features-user-config
Matt Corallo [Sun, 15 Jan 2023 04:00:11 +0000 (04:00 +0000)]
Merge pull request #1946 from wpaulino/init-features-user-config

Use UserConfig to determine advertised InitFeatures by ChannelManager

22 months agoMerge pull request #1953 from arik-so/2023-01-debug-gossip-heisenbug
Matt Corallo [Sat, 14 Jan 2023 22:43:26 +0000 (22:43 +0000)]
Merge pull request #1953 from arik-so/2023-01-debug-gossip-heisenbug

22 months agoAllow manually passing a timestamp to `channel_failed`. Fixes #1914.
Arik Sosman [Sat, 14 Jan 2023 16:22:50 +0000 (08:22 -0800)]
Allow manually passing a timestamp to `channel_failed`. Fixes #1914.

22 months agoAdd error messages to stale gossip cleanup assertions.
Arik Sosman [Sat, 14 Jan 2023 15:17:12 +0000 (07:17 -0800)]
Add error messages to stale gossip cleanup assertions.

Should help debug #1914.

22 months agoUse UserConfig to determine advertised InitFeatures by ChannelManager
Wilmer Paulino [Wed, 11 Jan 2023 18:21:29 +0000 (10:21 -0800)]
Use UserConfig to determine advertised InitFeatures by ChannelManager

This is purely a refactor that does not change the InitFeatures
advertised by a ChannelManager. This allows users to configure which
features should be advertised based on the values of `UserConfig`. While
there aren't any existing features currently leveraging this behavior,
it will be used by the upcoming anchors_zero_fee_htlc_tx feature.

The UserConfig dependency on provided_init_features caused most
callsites of the main test methods responsible for opening channels to
be updated. This commit foregos that completely by no longer requiring
the InitFeatures of each side to be provided to these methods. The
methods already require a reference to each node's ChannelManager to
open the channel, so we use that same reference to obtain their
InitFeatures. A way to override such features was required for some
tests, so a new `override_init_features` config option now exists on
the test harness.

22 months agoMerge pull request #1930 from arik-so/2022-12-remove-keysinterface
Matt Corallo [Sat, 14 Jan 2023 04:59:27 +0000 (04:59 +0000)]
Merge pull request #1930 from arik-so/2022-12-remove-keysinterface

Remove KeysInterface

22 months agoFix misc. warnings from `--document-private-items`
Elias Rohrer [Fri, 13 Jan 2023 22:02:41 +0000 (16:02 -0600)]
Fix misc. warnings from `--document-private-items`

22 months agoFix docs and export `impl_tlv_based_enum` variants
Elias Rohrer [Fri, 13 Jan 2023 21:54:14 +0000 (15:54 -0600)]
Fix docs and export `impl_tlv_based_enum` variants

22 months agoFix misc doc warnings.
Elias Rohrer [Fri, 13 Jan 2023 15:18:34 +0000 (09:18 -0600)]
Fix misc doc warnings.

22 months agoFix doc warnings and cleanup in `msgs.rs`
Elias Rohrer [Fri, 13 Jan 2023 15:18:26 +0000 (09:18 -0600)]
Fix doc warnings and cleanup in `msgs.rs`

22 months agoFix doc warnings and cleanup in `ser.rs`
Elias Rohrer [Fri, 13 Jan 2023 13:16:18 +0000 (07:16 -0600)]
Fix doc warnings and cleanup in `ser.rs`

22 months agoDecouple lifetimes for trait implementations that used to comprise KeysInterface.
Arik Sosman [Fri, 13 Jan 2023 00:10:44 +0000 (16:10 -0800)]
Decouple lifetimes for trait implementations that used to comprise KeysInterface.

22 months agoSplit up generic parameters that used to comprise KeysInterface.
Arik Sosman [Tue, 20 Dec 2022 22:46:08 +0000 (14:46 -0800)]
Split up generic parameters that used to comprise KeysInterface.

22 months agoRemove KeysInterface trait.
Arik Sosman [Tue, 20 Dec 2022 22:46:08 +0000 (14:46 -0800)]
Remove KeysInterface trait.

22 months agoMerge pull request #1823 from mariocynicys/expose-tlv-macros2
Matt Corallo [Wed, 11 Jan 2023 21:02:25 +0000 (21:02 +0000)]
Merge pull request #1823 from mariocynicys/expose-tlv-macros2

Expose `impl_writeable_tlv_based` macro

22 months agoMerge pull request #1507 from ViktorTigerstrom/2022-05-store-channels-per-peer
Matt Corallo [Tue, 10 Jan 2023 19:19:35 +0000 (19:19 +0000)]
Merge pull request #1507 from ViktorTigerstrom/2022-05-store-channels-per-peer

Store `channels` per-peer

22 months agoMerge pull request #1944 from TheBlueMatt/2022-01-lockorder-windows-robust
Matt Corallo [Tue, 10 Jan 2023 19:19:25 +0000 (19:19 +0000)]
Merge pull request #1944 from TheBlueMatt/2022-01-lockorder-windows-robust

Make `debug_sync` regex more robust