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Make DirectedChannelInfo source and target public #2870

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merged 1 commit into from
Feb 2, 2024

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benthecarman
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We use these params for our HubPreferentialScorer and without these utility functions then we have to manually do this and calculate which is the source and which is the target node.

We use these params for our HubPreferentialScorer and without these
utility functions then we have to manually do this and calculate which
is the source and which is the target node.
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coderabbitai bot commented Feb 2, 2024

Walkthrough

The lightning crate, specifically within its routing module, has been updated to enhance accessibility of certain methods. The DirectedChannelInfo class now features its source() and target() methods as publicly accessible, a shift from their previous pub(super) designation. This change broadens the scope of access, allowing for usage beyond the internal confines of the crate.

Changes

File Path Change Summary
lightning/src/routing/.../gossip.rs source() and target() methods in DirectedChannelInfo made public.

🐇✨
In the code where secrets lie,
A change was made, no need to pry.
From super bounds, we now break free,
source and target, for all to see.
🌟🐾

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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits Files that changed from the base of the PR and between 3751398 and a931dec.
Files selected for processing (1)
  • lightning/src/routing/gossip.rs (1 hunks)

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Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (5bf58f0) 89.14% compared to head (a931dec) 89.13%.
Report is 7 commits behind head on main.

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Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2870      +/-   ##
==========================================
- Coverage   89.14%   89.13%   -0.01%     
==========================================
  Files         116      116              
  Lines       93205    93252      +47     
  Branches    93205    93252      +47     
==========================================
+ Hits        83089    83123      +34     
- Misses       7583     7591       +8     
- Partials     2533     2538       +5     

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Sure. No real reason not to, though we should consider making it return by ownership, not reference.

@TheBlueMatt TheBlueMatt merged commit 4d993c0 into lightningdevkit:main Feb 2, 2024
14 of 15 checks passed
@benthecarman benthecarman deleted the pub-source-target branch February 2, 2024 17:12
k0k0ne pushed a commit to bitlightlabs/rust-lightning that referenced this pull request Sep 30, 2024
v0.0.123 - May 08, 2024 - "BOLT12 Dust Sweeping"

API Updates
===========

 * To reduce risk of force-closures and improve HTLC reliability the default
   dust exposure limit has been increased to
   `MaxDustHTLCExposure::FeeRateMultiplier(10_000)`. Users with existing
   channels might want to consider using
   `ChannelManager::update_channel_config` to apply the new default (lightningdevkit#3045).
 * `ChainMonitor::archive_fully_resolved_channel_monitors` is now provided to
   remove from memory `ChannelMonitor`s that have been fully resolved on-chain
   and are now not needed. It uses the new `Persist::archive_persisted_channel`
   to inform the storage layer that such a monitor should be archived (lightningdevkit#2964).
 * An `OutputSweeper` is now provided which will automatically sweep
   `SpendableOutputDescriptor`s, retrying until the sweep confirms (lightningdevkit#2825).
 * After initiating an outbound channel, a peer disconnection no longer results
   in immediate channel closure. Rather, if the peer is reconnected before the
   channel times out LDK will automatically retry opening it (lightningdevkit#2725).
 * `PaymentPurpose` now has separate variants for BOLT12 payments, which
   include fields from the `invoice_request` as well as the `OfferId` (lightningdevkit#2970).
 * `ChannelDetails` now includes a list of in-flight HTLCs (lightningdevkit#2442).
 * `Event::PaymentForwarded` now includes `skimmed_fee_msat` (lightningdevkit#2858).
 * The `hashbrown` dependency has been upgraded and the use of `ahash` as the
   no-std hash table hash function has been removed. As a consequence, LDK's
   `Hash{Map,Set}`s no longer feature several constructors when LDK is built
   with no-std; see the `util::hash_tables` module instead. On platforms that
   `getrandom` supports, setting the `possiblyrandom/getrandom` feature flag
   will ensure hash tables are resistant to HashDoS attacks, though the
   `possiblyrandom` crate should detect most common platforms (lightningdevkit#2810, lightningdevkit#2891).
 * `ChannelMonitor`-originated requests to the `ChannelSigner` can now fail and
   be retried using `ChannelMonitor::signer_unblocked` (lightningdevkit#2816).
 * `SpendableOutputDescriptor::to_psbt_input` now includes the `witness_script`
   where available as well as new proprietary data which can be used to
   re-derive some spending keys from the base key (lightningdevkit#2761, lightningdevkit#3004).
 * `OutPoint::to_channel_id` has been removed in favor of
   `ChannelId::v1_from_funding_outpoint` in preparation for v2 channels with a
   different `ChannelId` derivation scheme (lightningdevkit#2797).
 * `PeerManager::get_peer_node_ids` has been replaced with `list_peers` and
   `peer_by_node_id`, which provide more details (lightningdevkit#2905).
 * `Bolt11Invoice::get_payee_pub_key` is now provided (lightningdevkit#2909).
 * `Default[Message]Router` now take an `entropy_source` argument (lightningdevkit#2847).
 * `ClosureReason::HTLCsTimedOut` has been separated out from
   `ClosureReason::HolderForceClosed` as it is the most common case (lightningdevkit#2887).
 * `ClosureReason::CooperativeClosure` is now split into
   `{Counterparty,Locally}Initiated` variants (lightningdevkit#2863).
 * `Event::ChannelPending::channel_type` is now provided (lightningdevkit#2872).
 * `PaymentForwarded::{prev,next}_user_channel_id` are now provided (lightningdevkit#2924).
 * Channel init messages have been refactored towards V2 channels (lightningdevkit#2871).
 * `BumpTransactionEvent` now contains the channel and counterparty (lightningdevkit#2873).
 * `util::scid_utils` is now public, with some trivial utilities to examine
   short channel ids (lightningdevkit#2694).
 * `DirectedChannelInfo::{source,target}` are now public (lightningdevkit#2870).
 * Bounds in `lightning-background-processor` were simplified by using
   `AChannelManager` (lightningdevkit#2963).
 * The `Persist` impl for `KVStore` no longer requires `Sized`, allowing for
   the use of `dyn KVStore` as `Persist` (lightningdevkit#2883, lightningdevkit#2976).
 * `From<PaymentPreimage>` is now implemented for `PaymentHash` (lightningdevkit#2918).
 * `NodeId::from_slice` is now provided (lightningdevkit#2942).
 * `ChannelManager` deserialization may now fail with `DangerousValue` when
    LDK's persistence API was violated (lightningdevkit#2974).

Bug Fixes
=========

 * Excess fees on counterparty commitment transactions are now included in the
   dust exposure calculation. This lines behavior up with some cases where
   transaction fees can be burnt, making them effectively dust exposure (lightningdevkit#3045).
 * `Future`s used as an `std::...::Future` could grow in size unbounded if it
   was never woken. For those not using async persistence and using the async
   `lightning-background-processor`, this could cause a memory leak in the
   `ChainMonitor` (lightningdevkit#2894).
 * Inbound channel requests that fail in
   `ChannelManager::accept_inbound_channel` would previously have stalled from
   the peer's perspective as no `error` message was sent (lightningdevkit#2953).
 * Blinded path construction has been tuned to select paths more likely to
   succeed, improving BOLT12 payment reliability (lightningdevkit#2911, lightningdevkit#2912).
 * After a reorg, `lightning-transaction-sync` could have failed to follow a
   transaction that LDK needed information about (lightningdevkit#2946).
 * `RecipientOnionFields`' `custom_tlvs` are now propagated to recipients when
   paying with blinded paths (lightningdevkit#2975).
 * `Event::ChannelClosed` is now properly generated and peers are properly
   notified for all channels that as a part of a batch channel open fail to be
   funded (lightningdevkit#3029).
 * In cases where user event processing is substantially delayed such that we
   complete multiple round-trips with our peers before a `PaymentSent` event is
   handled and then restart without persisting the `ChannelManager` after having
   persisted a `ChannelMonitor[Update]`, on startup we may have `Err`d trying to
   deserialize the `ChannelManager` (lightningdevkit#3021).
 * If a peer has relatively high latency, `PeerManager` may have failed to
   establish a connection (lightningdevkit#2993).
 * `ChannelUpdate` messages broadcasted for our own channel closures are now
   slightly more robust (lightningdevkit#2731).
 * Deserializing malformed BOLT11 invoices may have resulted in an integer
   overflow panic in debug builds (lightningdevkit#3032).
 * In exceedingly rare cases (no cases of this are known), LDK may have created
   an invalid serialization for a `ChannelManager` (lightningdevkit#2998).
 * Message processing latency handling BOLT12 payments has been reduced (lightningdevkit#2881).
 * Latency in processing `Event::SpendableOutputs` may be reduced (lightningdevkit#3033).

Node Compatibility
==================

 * LDK's blinded paths were inconsistent with other implementations in several
   ways, which have been addressed (lightningdevkit#2856, lightningdevkit#2936, lightningdevkit#2945).
 * LDK's messaging blinded paths now support the latest features which some
   nodes may begin relying on soon (lightningdevkit#2961).
 * LDK's BOLT12 structs have been updated to support some last-minute changes to
   the spec (lightningdevkit#3017, lightningdevkit#3018).
 * CLN v24.02 requires the `gossip_queries` feature for all peers, however LDK
   by default does not set it for those not using a `P2PGossipSync` (e.g. those
   using RGS). This change was reverted in CLN v24.02.2 however for now LDK
   always sets the `gossip_queries` feature. This change is expected to be
   reverted in a future LDK release (lightningdevkit#2959).

Security
========
0.0.123 fixes a denial-of-service vulnerability which we believe to be reachable
from untrusted input when parsing invalid BOLT11 invoices containing non-ASCII
characters.
 * BOLT11 invoices with non-ASCII characters in the human-readable-part may
   cause an out-of-bounds read attempt leading to a panic (lightningdevkit#3054). Note that all
   BOLT11 invoices containing non-ASCII characters are invalid.

In total, this release features 150 files changed, 19307 insertions, 6306
deletions in 360 commits since 0.0.121 from 17 authors, in alphabetical order:

 * Arik Sosman
 * Duncan Dean
 * Elias Rohrer
 * Evan Feenstra
 * Jeffrey Czyz
 * Keyue Bao
 * Matt Corallo
 * Orbital
 * Sergi Delgado Segura
 * Valentine Wallace
 * Willem Van Lint
 * Wilmer Paulino
 * benthecarman
 * jbesraa
 * olegkubrakov
 * optout
 * shaavan
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3 participants