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rust-lightning
12 months agoRely on const generic big arrays for `PartialEq` in msgs
Matt Corallo [Mon, 13 Nov 2023 22:48:48 +0000 (22:48 +0000)]
Rely on const generic big arrays for `PartialEq` in msgs

Implementation of standard traits on arrays longer than 32 elements
was shipped in rustc 1.47, which is below our MSRV of 1.48 and we
can use to remove some unnecessary manual implementation of
`PartialEq` on `OnionPacket`.

12 months agoMerge pull request #2732 from arik-so/2023/11/update-musig2-dep
Matt Corallo [Mon, 13 Nov 2023 17:29:39 +0000 (17:29 +0000)]
Merge pull request #2732 from arik-so/2023/11/update-musig2-dep

Update MuSig2 dependency for Hash trait derivation.

12 months agoMerge pull request #2708 from TheBlueMatt/2023-11-less-graph-memory-frag
Matt Corallo [Mon, 13 Nov 2023 16:45:26 +0000 (16:45 +0000)]
Merge pull request #2708 from TheBlueMatt/2023-11-less-graph-memory-frag

Reduce common allocations across the codebase

12 months agoUpdate MuSig2 dependency for Hash trait derivation.
Arik Sosman [Mon, 13 Nov 2023 16:07:07 +0000 (11:07 -0500)]
Update MuSig2 dependency for Hash trait derivation.

12 months agoMerge pull request #2715 from valentinewallace/2023-11-skimmed-fees
Matt Corallo [Sun, 12 Nov 2023 20:27:25 +0000 (20:27 +0000)]
Merge pull request #2715 from valentinewallace/2023-11-skimmed-fees

Complete underpaying HTLCs support

12 months agoMerge pull request #2722 from benthecarman/dust-overflow
Matt Corallo [Sun, 12 Nov 2023 17:03:09 +0000 (17:03 +0000)]
Merge pull request #2722 from benthecarman/dust-overflow

Fix potential cases where max_dust_htlc_exposure_msat overflows

12 months agoStop writing signer data as a part of channels 2023-11-less-graph-memory-frag
Matt Corallo [Sat, 4 Nov 2023 23:02:18 +0000 (23:02 +0000)]
Stop writing signer data as a part of channels

This breaks backwards compatibility with versions of LDK prior to
0.0.113 as they expect to always read signer data.

This also substantially reduces allocations during `ChannelManager`
serialization, as we currently don't pre-allocate the `Vec` that
the signer gets written in to. We could alternatively pre-allocate
that `Vec`, but we've been set up to skip the write entirely for a
while, and 0.0.113 was released nearly a year ago. Users
downgrading to LDK 0.0.112 and before at this point should not be
expected.

12 months agoAvoid allocating when checking gossip message signatures
Matt Corallo [Sat, 4 Nov 2023 22:09:44 +0000 (22:09 +0000)]
Avoid allocating when checking gossip message signatures

When we check gossip message signatures, there's no reason to
serialize out the full gossip message before hashing, and it
generates a lot of allocations during the initial startup when we
fetch the full gossip from peers.

12 months agoAvoid a `tokio::mpsc::Sender` clone for each P2P send operation
Matt Corallo [Sat, 4 Nov 2023 21:21:58 +0000 (21:21 +0000)]
Avoid a `tokio::mpsc::Sender` clone for each P2P send operation

Whenever we go to send bytes to a peer, we need to construct a
waker for tokio to call back into if we need to finish sending
later. That waker needs some reference to the peer's read task to
wake it up, hidden behind a single `*const ()`. To do this, we'd
previously simply stored a `Box<tokio::mpsc::Sender>` in that
pointer, which requires a `clone` for each waker construction. This
leads to substantial malloc traffic.

Instead, here, we replace this box with an `Arc`, leaving a single
`tokio::mpsc::Sender` floating around and simply change the
refcounts whenever we construct a new waker, which we can do
without allocations.

12 months agoAvoid re-allocating to encrypt gossip messages when forwarding
Matt Corallo [Sat, 4 Nov 2023 20:37:21 +0000 (20:37 +0000)]
Avoid re-allocating to encrypt gossip messages when forwarding

When we forward gossip messages, we store them in a separate buffer
before we encrypt them (and commit to the order in which they'll
appear on the wire). Rather than storing that buffer encoded with
no headroom, requiring re-allocating to add the message length and
two MAC blocks, we here add the headroom prior to pushing it into
the gossip buffer, avoiding an allocation.

12 months agoFix potential cases where max_dust_htlc_exposure_msat overflows
benthecarman [Thu, 9 Nov 2023 20:46:02 +0000 (14:46 -0600)]
Fix potential cases where max_dust_htlc_exposure_msat overflows

12 months agoLink to LSP spec in accept_underpaying_htlcs config
Valentine Wallace [Tue, 7 Nov 2023 20:14:27 +0000 (15:14 -0500)]
Link to LSP spec in accept_underpaying_htlcs config

12 months agoInclude counterparty skimmed fees in PaymentClaimed event.
Valentine Wallace [Tue, 7 Nov 2023 20:08:55 +0000 (15:08 -0500)]
Include counterparty skimmed fees in PaymentClaimed event.

12 months agoMerge pull request #2702 from G8XSU/libFuzzer
Matt Corallo [Tue, 7 Nov 2023 18:16:49 +0000 (18:16 +0000)]
Merge pull request #2702 from G8XSU/libFuzzer

Update fuzzing instructions for libFuzzer/cargo-fuzz

12 months agoUse `VecDeque`, rather than `LinkedList` in peer message buffering
Matt Corallo [Sat, 4 Nov 2023 20:20:12 +0000 (20:20 +0000)]
Use `VecDeque`, rather than `LinkedList` in peer message buffering

When buffering outbound messages for peers, `LinkedList` adds
rather substantial allocation overhead, which we avoid here by
swapping for a `VecDeque`.

12 months agoAvoid unnecessarily alloc'ing a new buffer when decrypting messages
Matt Corallo [Mon, 6 Nov 2023 16:57:13 +0000 (16:57 +0000)]
Avoid unnecessarily alloc'ing a new buffer when decrypting messages

When decrypting P2P messages, we already have a read buffer that we
read the message into. There's no reason to allocate a new `Vec` to
store the decrypted message when we can just overwrite the read
buffer and call it a day.

12 months agoAdd an option to in-place decrypt with `ChaCha20Poly1305`
Matt Corallo [Sat, 4 Nov 2023 20:39:03 +0000 (20:39 +0000)]
Add an option to in-place decrypt with `ChaCha20Poly1305`

In the next commit we'll use this to avoid an allocation when
deserializing messages from the wire.

12 months agoMerge pull request #2714 from TheBlueMatt/2023-11-one-less-alloc
Jeffrey Czyz [Tue, 7 Nov 2023 13:43:26 +0000 (07:43 -0600)]
Merge pull request #2714 from TheBlueMatt/2023-11-one-less-alloc

Avoid an unnecessary allocation in `TaggedHash`

12 months agoAvoid an unnecessary allocation in `TaggedHash` 2023-11-one-less-alloc
Matt Corallo [Tue, 7 Nov 2023 05:07:09 +0000 (05:07 +0000)]
Avoid an unnecessary allocation in `TaggedHash`

A well-formed tag is always a constant, so allocating to store it
is unnecessary when we can just make the tag a `&'static str`.

12 months agoMerge pull request #2687 from orbitalturtle/signature-data-enum
Matt Corallo [Tue, 7 Nov 2023 05:04:48 +0000 (05:04 +0000)]
Merge pull request #2687 from orbitalturtle/signature-data-enum

Expose more granular data in TaggedHash struct

12 months agoMerge pull request #2677 from Evanfeenstra/public-onion-utils
Matt Corallo [Tue, 7 Nov 2023 04:41:03 +0000 (04:41 +0000)]
Merge pull request #2677 from Evanfeenstra/public-onion-utils

public create_payment_onion in onion_utils

12 months agoPre-allocate the full `Vec` prior to serializing as a `Vec<u8>`
Matt Corallo [Sat, 4 Nov 2023 21:01:18 +0000 (21:01 +0000)]
Pre-allocate the full `Vec` prior to serializing as a `Vec<u8>`

We end up generating a substantial amount of allocations just
doubling `Vec`s when serializing to them, and our
`serialized_length` method is generally rather effecient, so we
just rely on it and allocate correctly up front.

12 months agoexpose more granular data in TaggedHash struct
Orbital [Thu, 26 Oct 2023 03:10:35 +0000 (22:10 -0500)]
expose more granular data in TaggedHash struct

Expose tag and merkle root fields in the TaggedHash struct.

12 months agorefactor to remove message_digest
Orbital [Fri, 3 Nov 2023 00:50:20 +0000 (19:50 -0500)]
refactor to remove message_digest

We change the Bolt12Invoice struct to carry a tagged hash. Because
message_digest is then only used in one place, we can inline it in
the TaggedHash constructor.

12 months agoUpdate fuzzing instructions for libFuzzer/cargo-fuzz
Gursharan Singh [Fri, 3 Nov 2023 00:45:38 +0000 (17:45 -0700)]
Update fuzzing instructions for libFuzzer/cargo-fuzz

12 months agoexport create_onion_message and peel_onion_message from ln::onion_message
Evan Feenstra [Mon, 6 Nov 2023 18:42:50 +0000 (10:42 -0800)]
export create_onion_message and peel_onion_message from ln::onion_message

12 months agopublic create_payment_onion in onion_utils
Evan Feenstra [Sat, 28 Oct 2023 22:10:00 +0000 (15:10 -0700)]
public create_payment_onion in onion_utils

12 months agoMerge pull request #2699 from mhrheaume/mhr/temporary_channel_id
Matt Corallo [Sun, 5 Nov 2023 05:35:40 +0000 (05:35 +0000)]
Merge pull request #2699 from mhrheaume/mhr/temporary_channel_id

Added `temporary_channel_id` to `create_channel`.

12 months agoAvoid unnecessarily overriding `serialized_length`
Matt Corallo [Sat, 4 Nov 2023 16:21:29 +0000 (16:21 +0000)]
Avoid unnecessarily overriding `serialized_length`

...as LLVM will handle it just fine for us, in most cases.

12 months agoPre-allocate send buffer when forwarding gossip
Matt Corallo [Sat, 4 Nov 2023 16:20:51 +0000 (16:20 +0000)]
Pre-allocate send buffer when forwarding gossip

When forwarding gossip, rather than relying on Vec doubling,
pre-allocate the message encoding buffer.

12 months agoPrefer `Writeable.encode()` over `VecWriter` use
Matt Corallo [Sat, 4 Nov 2023 16:20:24 +0000 (16:20 +0000)]
Prefer `Writeable.encode()` over `VecWriter` use

It does the same thing and its much simpler.

12 months agoReduce on-startup heap frag due to network graph map/vec doubling
Matt Corallo [Sat, 4 Nov 2023 03:53:46 +0000 (03:53 +0000)]
Reduce on-startup heap frag due to network graph map/vec doubling

When we're reading a `NetworkGraph`, we know how many
nodes/channels we are reading, there's no reason not to
pre-allocate the `IndexedMap`'s inner `HashMap` and `Vec`, which we
do here.

This seems to reduce on-startup heap fragmentation with glibc by
something like 100MiB.

12 months agoAdded `temporary_channel_id` to `create_channel`.
Matthew Rheaume [Tue, 31 Oct 2023 22:36:11 +0000 (15:36 -0700)]
Added `temporary_channel_id` to `create_channel`.

By default, LDK will generate the initial temporary channel ID for you.
However, in certain cases, it's desirable to have a temporary channel ID
specified by the caller in case of any pre-negotiation that needs to
happen between peers prior to the channel open message. For example, LND
has a `FundingShim` API that allows for advanced funding flows based on
the temporary channel ID of the channel.

This patch adds support for optionally specifying the temporary channel
ID of the channel through the `create_channel` API.

12 months agoMerge pull request #2558 from waterson/pr-2554
Matt Corallo [Thu, 2 Nov 2023 19:04:05 +0000 (19:04 +0000)]
Merge pull request #2558 from waterson/pr-2554

Handle retrying sign_counterparty_commitment failures

12 months agoMerge pull request #2641 from alexanderwiederin/2585-preflight-test-coverage
Elias Rohrer [Thu, 2 Nov 2023 08:50:21 +0000 (09:50 +0100)]
Merge pull request #2641 from alexanderwiederin/2585-preflight-test-coverage

#2585 Preflight Test Coverage

12 months agoAdd basic async signer tests
Chris Waterson [Wed, 6 Sep 2023 18:38:34 +0000 (11:38 -0700)]
Add basic async signer tests

Adds a `get_signer` method to the context so that a test can get ahold of the
channel signer. Adds a `set_available` method on the `TestChannelSigner` to
allow a test to enable and disable the signer: when disabled some of the
signer's methods will return `Err` which will typically activate the error
handling case. Adds a `set_channel_signer_available` function on the test
`Node` class to make it easy to enable and disable a specific signer.

Adds a new `async_signer_tests` module:

* Check for asynchronous handling of `funding_created` and `funding_signed`.
* Check that we correctly resume processing after awaiting an asynchronous
  signature for a `commitment_signed` event.
* Verify correct handling during peer disconnect.
* Verify correct handling for inbound zero-conf.

12 months agoHandle retrying sign_counterparty_commitment inb funding failures
Matt Corallo [Tue, 5 Sep 2023 22:21:04 +0000 (22:21 +0000)]
Handle retrying sign_counterparty_commitment inb funding failures

If sign_counterparty_commitment fails (i.e. because the signer is
temporarily disconnected), this really indicates that we should
retry the message sending which required the signature later,
rather than force-closing the channel (which probably won't even
work if the signer is missing).

This commit adds retrying of inbound funding_created signing
failures, regenerating the `FundingSigned` message, attempting to
re-sign, and sending it to our peers if we succeed.

12 months agoHandle retrying sign_counterparty_commitment outb funding failures
Matt Corallo [Tue, 5 Sep 2023 22:10:34 +0000 (22:10 +0000)]
Handle retrying sign_counterparty_commitment outb funding failures

If sign_counterparty_commitment fails (i.e. because the signer is
temporarily disconnected), this really indicates that we should
retry the message sending which required the signature later,
rather than force-closing the channel (which probably won't even
work if the signer is missing).

This commit adds retrying of outbound funding_created signing
failures, regenerating the `FundingCreated` message, attempting to
re-sign, and sending it to our peers if we succeed.

12 months agoHandle retrying sign_counterparty_commitment failures
Matt Corallo [Tue, 5 Sep 2023 22:06:53 +0000 (22:06 +0000)]
Handle retrying sign_counterparty_commitment failures

If sign_counterparty_commitment fails (i.e. because the signer is
temporarily disconnected), this really indicates that we should
retry the message sending which required the signature later,
rather than force-closing the channel (which probably won't even
work if the signer is missing).

This commit adds initial retrying of failures, specifically
regenerating commitment updates, attempting to re-sign the
`CommitmentSigned` message, and sending it to our peers if we
succed.

12 months agoHandle sign_counterparty_commitment failing during inb funding
Matt Corallo [Tue, 5 Sep 2023 21:13:07 +0000 (21:13 +0000)]
Handle sign_counterparty_commitment failing during inb funding

If sign_counterparty_commitment fails (i.e. because the signer is
temporarily disconnected), this really indicates that we should
retry the message sending which required the signature later,
rather than force-closing the channel (which probably won't even
work if the signer is missing).

Here we add initial handling of sign_counterparty_commitment
failing during inbound channel funding, setting a flag in
`ChannelContext` which indicates we should retry sending the
`funding_signed` later. We don't yet add any ability to do that
retry.

12 months agoHandle sign_counterparty_commitment failing during outb funding
Matt Corallo [Tue, 5 Sep 2023 21:06:22 +0000 (21:06 +0000)]
Handle sign_counterparty_commitment failing during outb funding

If sign_counterparty_commitment fails (i.e. because the signer is
temporarily disconnected), this really indicates that we should
retry the message sending which required the signature later,
rather than force-closing the channel (which probably won't even
work if the signer is missing).

Here we add initial handling of sign_counterparty_commitment
failing during outbound channel funding, setting a new flag in
`ChannelContext` which indicates we should retry sending the
`funding_created` later. We don't yet add any ability to do that
retry.

12 months agoHandling for sign_counterparty_commitment failing during normal op
Matt Corallo [Tue, 5 Sep 2023 20:46:28 +0000 (20:46 +0000)]
Handling for sign_counterparty_commitment failing during normal op

If sign_counterparty_commitment fails (i.e. because the signer is
temporarily disconnected), this really indicates that we should
retry the message sending later, rather than force-closing the
channel (which probably won't even work if the signer is missing).

Here we add initial handling of sign_counterparty_commitment
failing during normal channel operation, setting a new flag in
`ChannelContext` which indicates we should retry sending the
commitment update later. We don't yet add any ability to do that
retry.

12 months agoMerge pull request #2682 from jkczyz/2023-09-bolt12-test-vectors
valentinewallace [Wed, 1 Nov 2023 18:34:29 +0000 (14:34 -0400)]
Merge pull request #2682 from jkczyz/2023-09-bolt12-test-vectors

BOLT 12 Offer test vectors

12 months agoadd preflight probes test coverage
alexanderwiederin [Sun, 22 Oct 2023 12:38:41 +0000 (08:38 -0400)]
add preflight probes test coverage

12 months agoMerge pull request #2686 from jkczyz/2023-10-onion-message-fuzz
Matt Corallo [Wed, 1 Nov 2023 17:42:29 +0000 (17:42 +0000)]
Merge pull request #2686 from jkczyz/2023-10-onion-message-fuzz

Re-add one-hop onion message fuzzing test

12 months agoMerge pull request #2668 from TheBlueMatt/2023-10-fix-doc
valentinewallace [Mon, 30 Oct 2023 20:21:36 +0000 (16:21 -0400)]
Merge pull request #2668 from TheBlueMatt/2023-10-fix-doc

Update docs on `MonitorEvent::HolderForceClosed`

12 months agoMerge pull request #2693 from Evanfeenstra/next-hop-pubkey-secp-mode
valentinewallace [Mon, 30 Oct 2023 16:49:42 +0000 (12:49 -0400)]
Merge pull request #2693 from Evanfeenstra/next-hop-pubkey-secp-mode

next_hop_pubkey secp Verification only

12 months agoMerge pull request #2669 from benthecarman/trace-sync-progress
Matt Corallo [Mon, 30 Oct 2023 16:00:19 +0000 (16:00 +0000)]
Merge pull request #2669 from benthecarman/trace-sync-progress

Remove channel monitor sync in progress log

12 months agoMerge pull request #2689 from benthecarman/no-std-offer-expire
Matt Corallo [Sun, 29 Oct 2023 19:38:26 +0000 (19:38 +0000)]
Merge pull request #2689 from benthecarman/no-std-offer-expire

Add `is_expired_no_std` to Offer

12 months agoMerge pull request #2613 from wvanlint/batch_funding_fix_up
Matt Corallo [Sun, 29 Oct 2023 17:58:56 +0000 (17:58 +0000)]
Merge pull request #2613 from wvanlint/batch_funding_fix_up

Refactor ShutdownResult type and construction

12 months agonext_hop_pubkey secp Verification only
Evan Feenstra [Sat, 28 Oct 2023 15:11:21 +0000 (08:11 -0700)]
next_hop_pubkey secp Verification only

12 months agoAdd is_expired_no_std to Offer & Refund
benthecarman [Thu, 26 Oct 2023 21:55:03 +0000 (16:55 -0500)]
Add is_expired_no_std to Offer & Refund

This was available for OfferContents but not an Offer so dependent
projects could not access it.

13 months agoRe-add one-hop onion message fuzzing test
Jeffrey Czyz [Wed, 18 Oct 2023 21:28:54 +0000 (16:28 -0500)]
Re-add one-hop onion message fuzzing test

Revert fuzz test removal in 6dc42235baaa22320ad78d3e05fab31edad99328.
The test originally checked that OnionMessenger would fail for one-hop
blinded paths. The commit added support for such paths, but changing the
checks was not sufficient since the node was not connected to the
introduction node of the reply path. This is required in order to work
with the trivial TestMessageRouter. Fix this by explicitly connecting
the nodes.

13 months agoWrap long onion_message fuzz strings
Jeffrey Czyz [Wed, 25 Oct 2023 21:37:26 +0000 (16:37 -0500)]
Wrap long onion_message fuzz strings

Some editors like vim slow to a crawl when scrolling over long strings
when syntax highlighting is turned on. Limit the length in fuzz strings
to avoid this.

13 months agoBOLT 12 test vectors for offer parsing
Jeffrey Czyz [Tue, 26 Sep 2023 20:42:28 +0000 (15:42 -0500)]
BOLT 12 test vectors for offer parsing

One discrepancy from the spec still needs to be resolved:

https://github.com/lightning/bolts/pull/798/files#r1334851959

13 months agoSeparate and describe BOLT 12 test vectors
Jeffrey Czyz [Tue, 26 Sep 2023 20:41:45 +0000 (15:41 -0500)]
Separate and describe BOLT 12 test vectors

13 months agoMove bech32 parsing tests to the parse module
Jeffrey Czyz [Fri, 22 Sep 2023 20:05:49 +0000 (15:05 -0500)]
Move bech32 parsing tests to the parse module

Additional BOLT 12 tests specific to Offer were added, which will live
in the offer module. Thus, it makes sense to move the bech32 tests to
the parse module.

13 months agoMerge pull request #2678 from TheBlueMatt/2023-10-0.0.118 v0.0.118
Matt Corallo [Tue, 24 Oct 2023 01:26:30 +0000 (01:26 +0000)]
Merge pull request #2678 from TheBlueMatt/2023-10-0.0.118

Cut 0.0.118

13 months agoBump crate versions to lightning 0.0.118, invoice 0.26 2023-10-0.0.118
Matt Corallo [Fri, 20 Oct 2023 23:44:49 +0000 (23:44 +0000)]
Bump crate versions to lightning 0.0.118, invoice 0.26

13 months ago0.0.118 release notes
Matt Corallo [Fri, 20 Oct 2023 20:46:30 +0000 (20:46 +0000)]
0.0.118 release notes

13 months agoMerge pull request #2679 from TheBlueMatt/2023-10-116-bindings-1
Matt Corallo [Mon, 23 Oct 2023 22:58:15 +0000 (22:58 +0000)]
Merge pull request #2679 from TheBlueMatt/2023-10-116-bindings-1

Small bindings tweaks for 0.0.118

13 months agoFix CI on rustc 1.50 and below 2023-10-116-bindings-1
Matt Corallo [Mon, 23 Oct 2023 19:50:12 +0000 (19:50 +0000)]
Fix CI on rustc 1.50 and below

rustc doesn't allow `--features` with `-p`, so we simply skip the
steps that rely on it.

13 months agoUse a tuple, not a struct, for `PendingOnionMessage` in bindings
Matt Corallo [Mon, 23 Oct 2023 18:55:17 +0000 (18:55 +0000)]
Use a tuple, not a struct, for `PendingOnionMessage` in bindings

Bindings aren't currently able to handle a struct with a generic
which is actually exposed - we map all structs concretely to a
single type, whereas having fluctuating types on a struct requires
mapping the inner field to a trait first.

Since this isn't super practical, we make `PendingOnionMessage` a
tuple in bindings, rather than a struct.

13 months agoMerge pull request #2676 from TheBlueMatt/2023-10-various-followups
Matt Corallo [Mon, 23 Oct 2023 19:16:29 +0000 (19:16 +0000)]
Merge pull request #2676 from TheBlueMatt/2023-10-various-followups

Various Followups to 2039 and 2674

13 months agoAdd relevant no-export tags to functions returning builders 2023-10-various-followups
Matt Corallo [Mon, 23 Oct 2023 16:49:49 +0000 (16:49 +0000)]
Add relevant no-export tags to functions returning builders

Because we can't map move semantics in most languages, we also
can't map our current builders. Thus, we have to mark them
no-export.

13 months agoDrop an unnecessary no-export on ParsedOnionMessageContents
Matt Corallo [Mon, 23 Oct 2023 16:50:05 +0000 (16:50 +0000)]
Drop an unnecessary no-export on ParsedOnionMessageContents

13 months agoDo not compile the `Simple*` type aliases in `c_bindings` at all
Matt Corallo [Sat, 21 Oct 2023 02:42:48 +0000 (02:42 +0000)]
Do not compile the `Simple*` type aliases in `c_bindings` at all

Because the bindings changes now require further changes to our
type definitions, avoiding building the `Simple*` type aliases
entirely makes the patchset there simpler.

13 months agoFix (and test) the `c_bindings` build flag
Matt Corallo [Sat, 21 Oct 2023 01:08:38 +0000 (01:08 +0000)]
Fix (and test) the `c_bindings` build flag

Rather than only building with the `c_bindings` flag in certain
crates, we go ahead and test all crates with the flag in CI here.

13 months agoRemove some additional excess words in `ConfirmationTarget` docs
Matt Corallo [Fri, 20 Oct 2023 18:19:57 +0000 (18:19 +0000)]
Remove some additional excess words in `ConfirmationTarget` docs

13 months agoRemove a redundant sentence in `ConfirmationTarget` docs
Matt Corallo [Fri, 20 Oct 2023 18:11:56 +0000 (18:11 +0000)]
Remove a redundant sentence in `ConfirmationTarget` docs

... and correct direction which causes force-closure in another
sentence.

13 months agoDrop unused `use` import.
Matt Corallo [Fri, 20 Oct 2023 18:09:39 +0000 (18:09 +0000)]
Drop unused `use` import.

13 months agoAvoid a redundant allocation in `InvoiceError` handling in one case
Matt Corallo [Fri, 20 Oct 2023 17:38:19 +0000 (17:38 +0000)]
Avoid a redundant allocation in `InvoiceError` handling in one case

... by passing an owned `String`, rather than taking an `&str` and
`to_owned()`ing it.

13 months agoUse `Default::default()` for scoring params in tests
Matt Corallo [Fri, 20 Oct 2023 17:34:12 +0000 (17:34 +0000)]
Use `Default::default()` for scoring params in tests

In 26c1639ab69d6780c97a118f09e42cb42304088a we switched to using
`Default::default()` to initialize `()` for scoring parameters in
tests. A number of `()`s slipped back in recently, which we replace
here.

13 months agoMerge pull request #2667 from wpaulino/random-htlc-holder-sigs-non-anchors
Matt Corallo [Fri, 20 Oct 2023 22:55:08 +0000 (22:55 +0000)]
Merge pull request #2667 from wpaulino/random-htlc-holder-sigs-non-anchors

Use sign_holder_htlc_transaction to sign non-anchors holder HTLCs

13 months agoMerge pull request #2674 from wpaulino/consider-anchor-outputs-value-balances
Matt Corallo [Fri, 20 Oct 2023 22:54:08 +0000 (22:54 +0000)]
Merge pull request #2674 from wpaulino/consider-anchor-outputs-value-balances

Consider anchor outputs value throughout balance checks and computations

13 months agoMove HTLCDescriptor to sign module
Wilmer Paulino [Mon, 16 Oct 2023 19:21:52 +0000 (12:21 -0700)]
Move HTLCDescriptor to sign module

Now that `HTLCDescriptor` is no longer specific to anchors, it doesn't
make sense for it to live in the `bump_transaction` module anymore.

13 months agoDon't sign holder HTLCs along with holder commitments
Wilmer Paulino [Fri, 13 Oct 2023 21:09:37 +0000 (14:09 -0700)]
Don't sign holder HTLCs along with holder commitments

`sign_holder_commitment_and_htlcs` never really made sense. Unlike
`sign_counterparty_commitment`, the signatures for holder HTLC
transactions may be required much later than the commitment
transaction's. While it was nice for us to only reach the signer once to
obtain all holder signatures, it's not really ideal anymore as we want
our signatures to be random and not reused.

We no longer return all holder HTLC signatures and instead defer to
obtaining them via `EcdsaChannelSigner::sign_holder_htlc_transaction`.

13 months agoRemove caching of holder HTLC signatures
Wilmer Paulino [Fri, 13 Oct 2023 20:58:59 +0000 (13:58 -0700)]
Remove caching of holder HTLC signatures

Since we want our holder HTLC signatures to be randomly generated and
not reused, our existing caches are useless now, so we opt to remove
them.

13 months agoUse sign_holder_htlc_transaction to sign non-anchors holder HTLCs
Wilmer Paulino [Fri, 13 Oct 2023 20:52:23 +0000 (13:52 -0700)]
Use sign_holder_htlc_transaction to sign non-anchors holder HTLCs

We want to ensure we use fresh random signatures to prevent certain
classes of transaction replacement attacks at the bitcoin P2P layer.
This was already covered for commitment transactions and zero fee holder
HTLC transactions, but was missing for holder HTLC transactions on
non-anchors channels.

We can easily do this by reusing the existing
`EcdsaChannelSigner::sign_holder_htlc_transaction` method and
circumventing the existing `holder_htlc_sigs/prev_holder_htlc_sigs`
caches, which will be removed in a later commit anyway.

13 months agoApply a default max fee rather than none when paying for BOLT12
Matt Corallo [Fri, 20 Oct 2023 17:31:42 +0000 (17:31 +0000)]
Apply a default max fee rather than none when paying for BOLT12

If the user declines to specify a `max_total_routing_fee_msat` in
the new BOLT12 payment methods, rather than defaulting to no limit
on the fee we pay at all, we should default to our "usual default",
ie the one calculated in
`RouteParameters::from_payment_params_and_value`.

We do this here, as well as documenting the behavior on the payment
methods.

13 months agoOnly account for fee spike buffer multiple on non-anchor channels 2023-10-2674-fuzz-test
Wilmer Paulino [Thu, 19 Oct 2023 16:29:21 +0000 (09:29 -0700)]
Only account for fee spike buffer multiple on non-anchor channels

Anchor outputs channels are no longer susceptible to fee spikes as they
now mostly target the dynamic minimum mempool fee and can contribute the
remainder of fees when closing.

13 months agoConsider anchor outputs value on channel open
Wilmer Paulino [Thu, 19 Oct 2023 16:27:57 +0000 (09:27 -0700)]
Consider anchor outputs value on channel open

We should make sure the funding amount of a channel can cover all its
associated costs, including the value of anchor outputs, to make sure
that it is actually usable once "opened".

13 months agoConsider anchor outputs value on inbound HTLCs
Wilmer Paulino [Thu, 19 Oct 2023 16:27:30 +0000 (09:27 -0700)]
Consider anchor outputs value on inbound HTLCs

This could lead us to accept HTLCs that would put the sender below
their reserve, which must never happen.

13 months agoConsider anchor outputs value in get_available_balances
Wilmer Paulino [Thu, 19 Oct 2023 16:25:23 +0000 (09:25 -0700)]
Consider anchor outputs value in get_available_balances

This could lead us to sending/forwarding HTLCs that would put us below
our reserve, forcing our counterparty to close the channel on us due to
an invalid update.

13 months agoRun chanmon_consistency_test with anchor outputs channels
Wilmer Paulino [Thu, 19 Oct 2023 16:22:50 +0000 (09:22 -0700)]
Run chanmon_consistency_test with anchor outputs channels

13 months agoProvide missing derivation parameters to OnchainTxHandler
Wilmer Paulino [Fri, 13 Oct 2023 20:47:45 +0000 (13:47 -0700)]
Provide missing derivation parameters to OnchainTxHandler

`OnchainTxHandler` will need to construct `HTLCDescriptor`s for holder
HTLCs, but it did not have access to all of the derivation parameters
that need to be provided.

13 months agoSupport signing non-anchors HTLCs with HTLCDescriptor
Wilmer Paulino [Fri, 13 Oct 2023 20:49:50 +0000 (13:49 -0700)]
Support signing non-anchors HTLCs with HTLCDescriptor

We plan to use `EcdsaChannelSigner::sign_holder_htlc_transaction` to
also sign holder HTLC transactions on non-anchor outputs channels.
`HTLCDescriptor` was only used in an anchor outputs context, so a few
things needed changing, mostly to handle the different scripts and
feerate.

13 months agoMerge pull request #2660 from benthecarman/flexible-fee-rate
Matt Corallo [Fri, 20 Oct 2023 17:37:17 +0000 (17:37 +0000)]
Merge pull request #2660 from benthecarman/flexible-fee-rate

More flexible fee rate estimates

13 months agoMore flexible fee rate estimates
benthecarman [Thu, 12 Oct 2023 20:43:30 +0000 (15:43 -0500)]
More flexible fee rate estimates

13 months agoMerge pull request #2039 from jkczyz/2023-02-offer-flow
Matt Corallo [Fri, 20 Oct 2023 16:40:17 +0000 (16:40 +0000)]
Merge pull request #2039 from jkczyz/2023-02-offer-flow

BOLT 12 Offers message flow

13 months agoUpdate docs on `MonitorEvent::HolderForceClosed` 2023-10-fix-doc
Matt Corallo [Tue, 17 Oct 2023 16:23:20 +0000 (16:23 +0000)]
Update docs on `MonitorEvent::HolderForceClosed`

In a96e2fe144383ea6fd670153fb895ee07a3245ef we renamed
`MonitorEvent::CommitmentTxConfirmed` to `HolderForceClosed` to
better document what actually happened. However, we failed to
update the documentation on the type, which we do here.

Pointed out by @yellowred.

13 months agoMerge pull request #2670 from yanganto/socket-addr-to-string
Matt Corallo [Fri, 20 Oct 2023 15:57:43 +0000 (15:57 +0000)]
Merge pull request #2670 from yanganto/socket-addr-to-string

Impl `Display` for SocketAddress

13 months agoFix PaymentConstraints::max_cltv_expiry docs
Jeffrey Czyz [Fri, 20 Oct 2023 01:32:00 +0000 (20:32 -0500)]
Fix PaymentConstraints::max_cltv_expiry docs

13 months agoFix build warnings
Jeffrey Czyz [Thu, 19 Oct 2023 23:02:58 +0000 (18:02 -0500)]
Fix build warnings

13 months agoExpand request_refund_payment docs for limitations
Jeffrey Czyz [Thu, 19 Oct 2023 21:36:02 +0000 (16:36 -0500)]
Expand request_refund_payment docs for limitations

13 months agoOnion message routing to immediate peers.
Jeffrey Czyz [Thu, 19 Oct 2023 20:50:19 +0000 (15:50 -0500)]
Onion message routing to immediate peers.

DefaultMessageRouter always fails. Update it so that it can route to a
directly connected peer. This is needed for an Offers minimum viable
product.

13 months agoAdd privacy section to pay_for_offer docs
Jeffrey Czyz [Thu, 19 Oct 2023 14:45:30 +0000 (09:45 -0500)]
Add privacy section to pay_for_offer docs

13 months agoOrganize create_refund and pay_for_offer docs
Jeffrey Czyz [Thu, 19 Oct 2023 14:37:47 +0000 (09:37 -0500)]
Organize create_refund and pay_for_offer docs

13 months agoDocument InvoiceRequestFailed in ChannelManager
Jeffrey Czyz [Thu, 19 Oct 2023 14:16:08 +0000 (09:16 -0500)]
Document InvoiceRequestFailed in ChannelManager

13 months agoRevert "Config-guard Event::InvoiceRequestFailed"
Jeffrey Czyz [Thu, 12 Oct 2023 21:10:51 +0000 (16:10 -0500)]
Revert "Config-guard Event::InvoiceRequestFailed"

This reverts commit c7219e46831751c52026932294c33fce24121d84.