Lightning Specification Meeting 2021/07/19

[t-bast]

The meeting will take place on Monday 2021/07/19 at 8pm UTC on Libera Chat IRC #lightning-dev. It is open to the public.

Pull Request Review

• Updated closing_signed fee requirements Update closing_signed fee requirement #847
• Explicit channel_type negotiation BOLT 2: send channel_type in open/accept #880
• Warning messages BOLT 1: introduce warning messages, reduce requirements to send (hard) errors #834
• Clarify when max-accepted-htlcs applies clarification: when does max_accepted_htlcs apply? #745
• Avoid counting dust htlcs in limits option_dusty_htlcs_uncounted (Feature 32/33) #873

Meta discussion

bLIPs / SPARKs / BIPs: https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-June/003086.html

Long Term Updates

• Dual funding interactive-tx: Add dual-funding flow, using the interactive tx protocol (feature 28/29) #851
• Splicing Splice draft (feature 62/63) #863
• Trampoline routing Trampoline Routing (2021 edition) (Feature 56/57) #829 and Trampoline onion format (Feature 56/57) #836
• Offers Offers #798
• Onion messages BOLT 7: Onion message support (features 38/39) #759
• Upfront payments / DoS protection Hold fees #843
• Blinded paths Route Blinding (Feature 24/25) #765
• Peer storage backup Peer backup storage (feature 40/41/42/43) #881

Backlog

The following are topics that we should discuss at some point, so if we have time to discuss them great, otherwise they slip to the next meeting.

• Hornet
• lnprototest https://github.com/rustyrussell/lnprototest

[ysangkok]

Meeting minutes: summarized (contains link to full log)