This adds the new `payment_metadata` to `RecipientOnionFields`,
passing the metadata from BOLT11 invoices through the send pipeline
and finally copying them info the onion when sending HTLCs.
This completes send-side support for the new payment metadata
feature.
This adds support for setting the new payment metadata field in
BOLT11 invoices, using a new type flag on the builder to enforce
transition correctness.
We allow users to set the payment metadata as either optional or
required, defaulting to optional so that invoice parsing does not
fail if the sender does not support payment metadata fields.
This adds support for reading the new `PaymentMetadata` BOLT11
invoice field, giving us access to the `Vec<u8>` storing arbitrary
bytes we have to send to the recipient.
To support transient signing pubkeys and payer ids for Offers, add
another key derivation to ExpandedKey. Also useful for constructing
metadata for stateless message authentication.
Move utility functions used across all offers modules into a common
module. Avoids duplicating larger utilities such as payment_path across
more than one module.
We correctly send out a gossip channel disable update after one
full time tick being down (1-2 minutes). This is pretty nice in
that it avoids nodes trying to route through our nodes too often
if they're down. Other nodes have a much longer time window,
causing them to have much less aggressive channel disables. Sadly,
at one minute it's not super uncommon for tor nodes to get disabled
(once a day or so on two nodes I looked at), and this causes the
lightning terminal scorer to consider the LDK node unstable (even
though it's the one doing the disabling - so is online). This
causes user frustration and makes LDK look bad (even though it's
probably failing fewer payments).
Given this, and future switches to block-based `channel_update`
timestamp fields, it makes sense to go ahead and switch to delaying
channel disable announcements for 10 minutes. This puts us more in
line with other implementations and reduces gossip spam, at the
cost of less reliable payments.
Fixes#2175, at least the currently visible parts.
When generating a `channel_update` either in response to a fee
configuration change or an HTLC failure, we currently poll the
channel to check if the peer's connected when setting the disabled
bit in the `channel_update`. This could cause cases where we set
the disable bit even though the peer *just* disconnected, and don't
generate a followup broadcast `channel_update` with the disabled
bit unset.
While a node generally shouldn't rebroadcast a `channel_update` it
received in an onion, there's nothing inherently stopping them from
doing so. Obviously in the fee-update case we expect the message to
propagate.
Luckily, since we already "stage" disable-changed updates, we can
check the staged state and use that to set the disabled bit in all
`channel_update` cases.
At times, PRs can go through multiple pushes in a short amount of time,
spawning a workflow run for each. Most of the time, there's no need to
let the previous jobs running if the code itself has changed (e.g., via
a force push), and we'd benefit from having those slots be used by other
PRs/branches instead.
u16 arrays are used in the historical liquidity range tracker.
Previously, we read them without applying the stride multiple,
reading bytes repeatedly and at an offset, corrupting data as we
go.
This applies the correct stride multiplayer fixing the issue.
In our test utilities, we generally refer to a `Node` struct which
holds a `ChannelManager` and a number of other structs. However, we
use the same utilities in benchmarking, where we have a different
`Node`-like struct. This made moving from macros to functions
entirely impossible, as we end up needing multiple types in a given
context.
Thus, here, we take the pain and introduce some wrapper traits
which encapsulte what we need from `Node`, swapping some of our
macros to functions.
In 6090d9e6a8 we swapped out old
debug assertions that checked that a lock was `try_lock`able to
test that certain locks weren't held when we needed to be able to
take them in some near branch. However, another slipped in after in
the `ChannelMonitorUpdate` handling rework, which is replaced with
the new debug assertions here.
