Announcements

Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by Brink. Please speak to the hosts if you’re interested in supporting London BitDevs.

General Links

• Bitcoin Optech
• Bitcoin Core PR Review Club
• bitcoin-dev Mailing List
• lightning-dev Mailing List

Mailing Lists, Meetings and Bitcoin Optech

Mailing Lists

bitcoin-dev

• Scaling and anonymizing Bitcoin at layer 1 with client-side validation
• Standardisation of an unstructured taproot annex
• Conceptual package relay using taproot annex
• BIP for Silent Payments
• CivKit Node v0.0.1 release - “Sic itur ad astra”

lightning-dev

• Proposal to extend BOLT11 invoices to request two payments

Meetings

• Bitcoin PR Review Club
  • #27145 When a block is disconnected, update transactions that are no longer conflicted
  • #27711 Remove shutdown from kernel library
  • #27625 Stop relaying non-mempool txs
  • #27748 util: generalize accounting of system-allocated memory in pool resource

Optech

• Newsletter #253, audio recap
• Newsletter #254, audio recap
• Newsletter #255, audio recap
• Newsletter #256, audio recap

CVEs and Research

Research

• Securing a $100M Lightning node

Pull Requests and repo updates

Bitcoin Core

• mempool / rpc: add getprioritisedtransactions, delete a mapDeltas entry when delta==0
• Fee estimation: avoid serving stale fee estimate
• BIP324: ElligatorSwift integrations
• p2p: Stop relaying non-mempool txs
• p2p: give seednodes time before falling back to fixed seeds

LND

• lnd v0.16.3-beta
• sweep+lnrpc:enforce provided fee rate is no less than relay fee
• contractcourt: force the sweeper to always resolve outgoing HTLCs

LDK

• disconnect peers on timer ticks to unblock channel state machine
• BOLT12 offers message handling support
• Support MPP Keysend

Eclair

• Eclair v0.9.0
• Relax reserve requirements on HTLC receiver
• Add upper bound on fees paid during force-close
• Add closedchannels RPC
• Increase default max-cltv value

Core-Lightning

• v23.05.1: Austin Texas Agreement (ATXA) 2
• Configuration rework

BIPs

• BIP 329: Add spendable state to outputs

Miscellaneous

• Join the Bitkey beta