Boltz Backend v3.3.0 & Web App v1.1.2 Released

The latest Boltz updates include:

• CLN and hold invoice integration into backend;
• Increased swap limits to 0.25 BTC across all pairs;
• Reduced Liquid minimal swap amount to 1k sats.
• Upgraded LND to v0.17.0 with smooth balancing and failover between LND & CLN;
• Lightning payment reliability improvements to various wallets, especially Phoenix/ACINQ;
• Increased invoice expiry to give users more time for swap completion;
• Backend integration in monitoring suite (Grafana, Promotheus, Loki);
• Preparation for RSK Swaps.

What's new in Backend v3.3.0

Features

• Increase routing offset based on amount (#372)
• GRPC command to unblind outputs of a transaction (#373)
• CLN hld invoice plugin
• CLN SCB backup plugin
• MPP support for CLN hold invoice plugin
• GRPC for hold invoice plugin
• Improve hold gRPC error handling
• Track hold invoice state via gRPC
• Hold gRPC steam to track all invoices
• Routing hints in hold invoice plugin (#375)
• CLN integration in backend
• Save creation date of hold invoices
• GRPC SSL for hold invoice plugin
• Support for multiple wallets/nodes in gRPC
• Upload SCB backup on plugin startup
• Switch between LND and CLN based on referral (#379)
• GetRoute in hold plugin for specifying max CLTV
• Apply CLTV exceptions to routing hints
• Query swapinfo by more columns (#399)
• Fallback for timeouts when creating invoices (#398)
• Separate notification channel for alerts (#400)
• Use satcomma to format notification amounts (#403)
• Max unused wallet balance alert (#405)
• Forbid swaps to our own lightning nodes
• Loki transport for logger (#410)
• Race all locking lightning client calls
• Log and send notification for client status changes
• Prometheus metrics
• RSK integration
• Configurable expiry of reverse swap invoices (#422)
• Save hold HTLC information in datastore
• Query listholdinvoices by invoice
• Prevent invoice overpayment in hold plugin
• Throw error when creating invoices with hash length != 32

Bug Fixes

• Custom integration test runner for CI
• Higher invoice CLTV offset for Reverse Swaps
• Connect nodes for hold invoice test
• Skipped hold invoice plugin tests
• Too short CLTV expiry hold plugin test
• Python plugin integration tests on CI
• CLN to LND short channel id conversion
• Various CLN bugs (#378)
• CLN pay status gRPC
• Duplicate CLN pay calls
• Startup without LND
• Route querying for CLN
• Nested arrays in routing hints endpoint
• Use correct lightning node to query route CLTV estimations
• Check for paid invoices in paystatus
• Check for temporary errors before pending
• Improve detection of pending CLN payments
• Filter configs with no min wallet balance for notifications
• Reconnect to CLN subscription error on interval
• Retry SQLITE_BUSY error
• Detect open invoice with only cancelled HTLCs
• Minor prometheus metric typo
• Payment error handling (#417)
• Handling of pending HTLCs for expired invoices (#419)
• Minor adjustments for RSK compatibility
• CI Docker build workflow
• Commit version in Docker image build
• Default metrics to 0
• Logging of InjectedProvider

For a complete list of changes and updates see: https://github.com/BoltzExchange/boltz-backend/releases/tag/v3.3.0

Boltz Web App v1.1.2 updates

Boltz Web app had a couple of minor updates focusing on bug fixes and miscellaneous tasks.

• Invoice validation (#282)
• Check fee amount instead of pair hash (#283)

Features

• Change calculated send/receive amount on fee update (#285)
• Save selected send/receive asset in localstorage (#288)

Miscellaneous Tasks

• V1.1.1 changelog
• Trivial dependency updates
• Remove unused i18n check
• Update i18n
• Decimals handling for 0.000 (#287)
• Release v1.1.2 preparation

Refactor

• Remove usages of deprecated createStorageSignal
• Switch to @bitcoinerlab/secp256k1
• Only claim from inside swapchecker (#284)

Announcement / Archive
GitHub Repo (Backend)
GitHub Repo (Web App)
Website