Lightning Specification Meeting 2021/08/16

[t-bast]

The meeting will take place on Monday 2021/08/16 at 8pm UTC on Libera Chat IRC #lightning-dev. It is open to the public.

Pull Request Review

• Warning messages BOLT 1: introduce warning messages, reduce requirements to send (hard) errors #834
• Explicit channel_type negotiation BOLT 2: send channel_type in open/accept #880
• Updated closing_signed fee requirements Update closing_signed fee requirement #847
• BLIPS process: bLIP 0001 #884
• Update invoice test vectors with payment secret Make payment secret mandatory and update Bolt 11 test vectors #887
• Check each other's dust limits Peers need to check each other's dust limit #894
• Advertize compression algorithms in init Advertize compression algorithms support in init (features 32/33) #825
• Simple turbo channels enablement Explicitly allow funding_locked early, and include scid. #895

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
• Onion messages BOLT 7: Onion message support (features 38/39) #759
• Blinded paths Route Blinding (Feature 24/25) #765
• Offers Offers #798
• Upfront payments / DoS protection Hold fees #843
• 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

[t-bast]

As usual, feel free to add topics / PRs / issues you'd like to discuss during the meeting (ideally a few days before so that everyone can have a first look before the meeting).

[TheBlueMatt]

Can we also hit #825?

[t-bast]

Sure, I just added it to the list, I had missed your last comment there.

[t-bast]

Meeting logs can be found here:

• Minutes: https://lightningd.github.io/meetings/meeting_name/2021/meeting_name.2021-08-16-20.04.html
• Minutes (text): https://lightningd.github.io/meetings/meeting_name/2021/meeting_name.2021-08-16-20.04.txt
• Log: https://lightningd.github.io/meetings/meeting_name/2021/meeting_name.2021-08-16-20.04.log.html