VLS Beta Release

We're pleased to announce the Beta Release of the Validating Lightning Signer library and reference implementation.

See below for a Changelog:

[0.9.1] - 2023-06-15: "Beta 1.1"

Added

• Handler::with_persist for modifications to the node requiring persist to cloud
• MemoApprover
• Node::update_velocity_controls to sync node with updated control specs (#295)
• ability to update VelocityApprover control
• commands to generate and dump sample persist data, and unit test restore of data
• persister: BackupPersister - write to a main persister and sync to backup persister (#314)
• debug_node_state logging feature

Changed

• serialization backwards compatibility with 0.2
• core: Remove policy.require_invoices flag, always enforce
• Decrease allowable testnet locktime on us (to_self_delay) to speed sweeps of force-closed nodes
• core: Replace debug_vals!() with dbgvals!() which is heap friendly
• ci: don't require Changelog entries for merge commits
• core: Increase testnet max_routing_fee_msat to 50_000 to clear CLN integration test
• howto: Consolidate vlsd2 config files in ~/.lightning-signer/
• howto: Decrease allowable testnet to_self_delay to allow earlier sweeps of force-closed channels

Removed

• howto: Remove deprecated VLS_CHAINFOLLOWER_ENABLE=1 ([#294])

Fixed

• core: Add workaround for keysend expiration ([#329])
• handing of failed HTLCs in payment accounting
• restore invoices and issued_invoices
• restore payments state
• workaround unbalanced routed payment with LDK - see #331
• core: Don't clear pre-existing payments state on add_{invoice,keysend}