FOCIL2026-03-24_031
FOCIL Breakout #031
2026-03-24 95 transcript lines
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Call summary
Targets
- •Post-ECC - Resume spec and testing progress — 00:20:51
- •April 7, 2026 - Next FOCIL Breakout #32 — 00:21:15
Highlights
- Spec Updates:
- ·All specs rebasing to Hegotá: execution-specs, engine-apis completed; CL spec updates pending — 00:16:29
- ·New 12-second attester cutoff deadline needed to prevent split view during equivocations — 00:17:01
- ·Split view issue: attesters seeing IL equivocation at different times vote inconsistently — 00:18:19
- ·8-second deadline to be removed as implementation-dependent example — 00:19:23
- Testing Updates:
- ·CL: Focus on reference tests initially, expand to fuzzing/devnets later — 00:19:33
- ·EL: Updating test infra to support inclusion lists with testing team — 00:19:42
- Development Progress:
- ·Besu: PR under review; Hegotá timeline feasible, prioritizing Glamsterdam optimizations — 00:12:03
- ·Besu targeting build-ready status for Interop (~4 weeks out) — 00:13:43
- ·Lodestar: Implementation simple, can hack together in hours if needed — 00:14:30
Action Items
- •All teams — Review rebased execution-specs PR #1928 and engine-apis PR #609 — 00:16:32
- •Jihoon — Finalize attester cutoff deadline spec changes post-ECC — 00:17:51
Meeting chat4
- Jihoon
gm!
- Jihoon
EEST: https://github.com/ethereum/execution-specs/pull/1928 Engine APIs spec: https://github.com/ethereum/execution-apis/pull/609
- Jihoon
- nflaig
great work on the spec side!
Key decisions
No key decisions recorded for this call.

