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@tnull tnull released this 05 May 08:47
· 15 commits to main since this release
v0.5.0
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0.5.0 - Apr. 29, 2025

Besides numerous API improvements and bugfixes this fifth minor release notably adds support for sourcing chain and fee rate data from an Electrum backend, requesting channels via the bLIP-51 / LSPS1 protocol, as well as experimental support for operating as a bLIP-52 / LSPS2 service.

Feature and API updates

  • The PaymentSuccessful event now exposes a payment_preimage field (#392).
  • The node now emits PaymentForwarded events for forwarded payments (#404).
  • The ability to send custom TLVs as part of spontaneous payments has been added (#411).
  • The ability to override the used fee rates for on-chain sending has been added (#434).
  • The ability to set a description hash when creating a BOLT11 invoice has been added (#438).
  • The ability to export pathfinding scores has been added (#458).
  • The ability to request inbound channels from an LSP via the bLIP-51 / LSPS1 protocol has been added (#418).
  • The ChannelDetails returned by Node::list_channels now exposes fields for the channel's SCIDs (#444).
  • Lightning peer-to-peer gossip data is now being verified when syncing from a Bitcoin Core RPC backend (#428).
  • The logging sub-system was reworked to allow logging to backends using the Rust log facade, as well as via a custom logger trait (#407, #450, #454).
  • On-chain transactions are now added to the internal payment store and exposed via Node::list_payments (#432).
  • Inbound announced channels are now rejected if not all requirements for operating as a forwarding node (set listening addresses and node alias) have been met (#467).
  • Initial support for operating as an bLIP-52 / LSPS2 service has been added (#420).
    • Note: bLIP-52 / LSPS2 support is considered 'alpha'/'experimental' and should not yet be used in production.
  • The Builder::set_entropy_seed_bytes method now takes an array rather than a Vec (#493).
  • The builder will now return a NetworkMismatch error in case of network switching (#485).
  • The Bolt11Jit payment variant now exposes a field telling how much fee the LSP withheld (#497).
  • The ability to disable syncing Lightning and on-chain wallets in the background has been added. If it is disabled, the user is responsible for running Node::sync_wallets manually (#508).
  • The ability to configure the node's announcement addresses independently from the listening addresses has been added (#484).
  • The ability to choose whether to honor the Anchor reserves when calling send_all_to_address has been added (#345).
  • The ability to sync the node via an Electrum backend has been added (#486).

Bug Fixes and Improvements

  • When syncing from Bitcoin Core RPC, syncing mempool entries has been made more efficient (#410, #465).
  • We now ensure the our configured fallback rates are used when the configured chain source would return huge bogus values during fee estimation (#430).
  • We now re-enabled trying to bump Anchor channel transactions for trusted counterparties in the ContentiousClaimable case to reduce the risk of losing funds in certain edge cases (#461).
  • An issue that would potentially have us panic on retrying the chain listening initialization when syncing from Bitcoin Core RPC has been fixed (#471).
  • The Node::remove_payment now also removes the respective entry from the in-memory state, not only from the persisted payment store (#514).

Compatibility Notes

  • The filesystem logger was simplified and its default path changed to ldk_node.log in the configured storage directory (#394).
  • The BDK dependency has been bumped to bdk_wallet v1.0 (#426).
  • The LDK dependency has been bumped to lightning v0.1 (#426).
  • The rusqlite dependency has been bumped to v0.31 (#403).
  • The minimum supported Rust version (MSRV) has been bumped to v1.75 (#429).

In total, this release features 53 files changed, 6147 insertions, 1193 deletions, in 191 commits from 14 authors in alphabetical order:

  • alexanderwiederin
  • Andrei
  • Artur Gontijo
  • Ayla Greystone
  • Elias Rohrer
  • elnosh
  • Enigbe Ochekliye
  • Evan Feenstra
  • G8XSU
  • Joost Jager
  • maan2003
  • moisesPompilio
  • Rob N
  • Vincenzo Palazzo

Please note the attached LDKNodeFFI.xcframework archive is intended to be used via SwiftPM.

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