Post-finality Holesky path forward - HackMD

# Post-finality Holesky path forward **The Problem** Currently we have sepolia, a closed validator

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Client Testing Call #28, March 10th 2025

Sepolia Pectra Fork @MariusVanDerWijden wrote-up a concise full incident report, otherwise here’s an overview: An issue encountered shortly after the hardfork caused empty blocks on the network. Blocks containing deposit transactions triggered an issue in clients which caused blocks to be invalided. The root cause was unexpected log emissions from the Sepolia deposit contract (which are not present in mainnet’s deposit contract). This difference is due to deposits being token-gated on Sepolia;...

Sepolia Pectra fork incident recap

Blog on semi-cool ethereum stuff

Consensus-layer Call 152

Consensus-layer Call 152 prev: call 151 Meeting Date/Time: Thursday 2025/3/6 at 14:00 UTC Meeting Duration: 1.5 hours stream Electra PeerDAS / Blob scaling Research, spec, etc. Open discussion/Closing remarks GitHub Issue

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Client testing call #27, March 3rd, 2025

Client testing call #27, March 3rd 2025 Holesky Update Lodestar: No further bugs observed in last 4 days. Observed locally that Friday night participation appeared to drop below 10%. Nodes crashing appear to be causing the low participation rate Ethpandaops: Also experiencing crashing nodes All runners with lighthouse nodes out of disk space (due to lack of finality). Reth: 1K validators active but with minimal impact on network recovery. Also stopped running lighthouse nodes due to disk...

All Core Devs - Execution (ACDE) #206, February 27, 2025

ACDE 206 Feb 27, 2025, 14:00-15:30 UTC 90 minutes Stream: https://youtube.com/live/tlezpGztpi8?feature=share Agenda Pectra Holesky Debrief Chain status (proposals, slasheable validators, etc.) Next steps Syncing from unfinalized checkpoints Start sync on FCU · Issue #31254 · ethereum/go-ethereum · GitHub Fork ID checks dependent on (standardized?) configs Sepolia fork timing Client releases https://github.com/sigp/lighthouse/releases/tag/v7.0.0-beta.1e devnet-7 and/or new testnet Ma...

Holesky Incident Debrief, February 26, 2025

Holesky Incident Debrief Notes State of Holesky The chain is operating with limited block production on the “canonical” minority chain Currently seeing 4-8 blocks per epoch (12-25% of expected blocks) Goal is to reach 75% block production before coordinating mass slashings More peers on the correct chain improves synchronization capabilities Stable block production is critical for maintaining chain liveness Immediate Action Items (Before ACD Meeting) Priority: Restore Validator Operations ...

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Holesky Pectra Upgrade Livestream

Join us for a livestream to watch the Ethereum Holesky testnet upgrade and fork to Pectra

Client testing call #26, February 24, 2025

Testing Call 24/Feb/2025 Notes by @marioevz (Copied from Eth R&D Discord) MEV: Flashbots identified an issue and are working on a fix, aiming for Holesky. Prysm and Nimbus are progressing on SSZ & Builder API : ⁠Builder workflow with SSZ⁠ MEV Tests are using local devnets using kurtosis. Pectra Mainnet Shadow Fork No progress: Clients could not be synced due to infrastructure issues. There was an issue getting mainnet data to the nodes. Rafael started working on a fix. Expected to be resolve...

All Core Devs - Consensus (ACDC) #151, February 20, 2025

Consensus-layer Call 151 Agenda Consensus-layer Call 151 · Issue #1280 · ethereum/pm · GitHub moderated by @ralexstokes <details><summary>Agenda</summary>prev: call 150 Meeting Date/Time: Thursday 2025/2/20 at 14:00 UTC Meeting Duration: 1.5 hours stream Electra devnet-6 open questions? attestation aggregation under EIP-7549 testnet readiness PeerDAS / Blob scaling peerdas-devnet-4 Bump up Fulu blob count Migration of proof computation to transaction sender, vs beacon node Offloading Proof Computation from Be...</details>

Client testing call #25, February 17, 2025

Testing call on 17/Feb/2025: (Copied from Eth R&D Discord) MEV on Pectra Devnet-6 status: MEV-boost is currently running, but there are issues with withdrawal and consolidation requests. Ryan from Flashbots is currently working on this. Reth builder (rbuilder) is working but it’s currently not including execution requests Pk910 offered to send more deposit/withdrawal/consolidation request transactions to the devnet if either team needs them for testing. Mainnet shadow-fork Currently underway...

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Pectra upgrade client releases for Holešky & Sepolia testnets

Pectra upgrade client releases for Holešky & Sepolia testnets Pectra upgrade schedule: Holešky: slot 3710976, Monday, February 24, 21:55:12 UTC Sepolia: slot 7118848, Wednesday, March 5, 7:29:36 UTC Layer Client Version Consensus Layer Lighthouse v7.0.0-beta.0 Consensus Layer Lodestar v1.27.0 Consensus Layer Nimbus v25.2.0 Consensus Layer Prysm v5.3.0 Consensus Layer Teku 25.2.0 Execution Layer Besu 25.2.0 Execution Layer Erigon v2.61.1 Execution Layer Geth v1.15...

All Core Devs - Execution (ACDE) #205, February 13, 2025

Agenda Execution Layer Meeting 205 · Issue #1271 · ethereum/pm · GitHub moderated by @timbeiko Agenda summary by @Nixo Summary Recording Additional info Last call for Pectra Retrospective

Client testing call #24, February 10, 2025

Key Decisions & Next Steps Going ahead with testnet Pectra forks: Announcement in ACD channel; client teams should prepare for releases. Dates can be found here. Tx Pool Tests: Testing team is currently working on them. PeerDAS: PeerDAS-devnet-4 is now live, planning for future devnets has started. EOF Testing: Kurtosis-based testing now works, EEST is going to be used to trigger bugs at the start. ePBS & IL Testing: Proceed with standalone domain testing before considering mainnet inclusi...

Pectra Retrospective

Community response Summarized ACD calls async for 3.5 years (former editor of weekinethereumnews.com). Collected summaries/writeups in Protocol Calls & happenings - Fellowship of Ethereum Magicians Better ACD summaries: ACD call summaries of actions/decisions written by moderators on Eth Magicians, generally within 24 hours (thanks @timbeiko & @ralexstokes). Scoping priority writeups Client team writeups of scoping priorities: e.g. Reth, Lighthouse, Lodestar & Prysm. Allows for considered...

All Core Devs - Consensus (ACDC) #150, February 6, 2025

Agenda Consensus-layer Call 150 · Issue #1265 · ethereum/pm · GitHub moderated by @ralexstokes Recording Additional info Pectra upgrade timing: Client testnet releases planned to be out by Feb 13 (ACDE) Holešky upgrade slot: 3710976 (Mon, Feb 24 at 21:55:12 UTC) Sepolia upgrade slot: 7118848 (Wed, Mar 5 at 07:29:36 UTC) Assuming testnet upgrades go well, pick mainnet upgrade date on Mar 6. Using +30 days, earliest potential mainnet upgrade slot 11444224 (Tue, Apr 8 at 23:25:11 UTC) Pect...

Client testing call #21, January 20, 2025

Pectra: Client updates: Nethermind: Progress is on track; requires updates for blob base fee, baseFeeUpdateFraction, and EIP-7702. Changes are straightforward and expected to be completed within a few days. Encountering some test failures on Hive, particularly with the consume engine. The team is investigating. Erigon Work in progress; several Hive tests are failing. The team is addressing the issues and expects resolution in a few days. Besu All tests failing due to a missing genesis ...

All Core Devs - Execution (ACDE) #203, January 16, 2025

Agenda Execution Layer Meeting 203 · Issue #1227 · ethereum/pm · GitHub moderated by @timbeiko Summary Recording Additional info Pectra-devnet-5 live Ethereum All Core Developers Execution Call #203 Writeup | Galaxy by @Christine_dkim Highlights of Ethereum's All Core Devs Meeting (ACDE) #203 by @yashkamalchaturvedi

All Core Devs - Consensus (ACDC) #148, January 9, 2025

Agenda Consensus-layer Call 148 · Issue #1218 · ethereum/pm · GitHub moderated by @ralexstokes <details><summary>Agenda summary</summary>by @Nixo (Copied from Twitter) Pectra testing ▶ Builder specs v0.5.0 for Pectra released 🎉 ▶ devnet-5 (live soon™) may be the last devnet. A devnet-6 is possible, but if 5 is smooth, could see testnets (Sepolia & Holešky) by… Feb? relevant: testing, consensus & execution teams Post-Pectra PeerDAS & EOF are scheduled for inclusion in Fusaka...</details>

Protocol Calls & happenings

A self-organized Fellowship within the Ethereum community to maximize technical opportunities, share ideas, and work together effectively across national, organizational and other boundaries.

Client testing call #19, January 6, 2025

Pectra Final call for EIP-7840, Details here. EIP-2935 updates have been made over the holidays, the current status can be found here. The aim is to conclude the topic this wee. EELS and test releases went out over the holidays, please use pectra-devnet-5@v1.1.0 for testing your EL. There was a test regarding empty bytes that requires some discussion, please find it happening in this thread. Hive instance for pectra-devnet-5 can be found here. The devnet goes live once hive showcases most test...