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| # Study Group Week 10 | Precompiles | ||
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| Week 10 dev talk is diving into EVM precompiles and their integration in execution clients. | ||
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| Join the presentation by [Danno Ferrin](https://twitter.com/shemnon), on [Monday, April 22, 4PM UTC](https://savvytime.com/converter/utc-to-germany-berlin-united-kingdom-london-china-shanghai-ny-new-york-city-japan-tokyo-australia-sydney-india-delhi-argentina-buenos-aires/apr-22-2024/4pm). | ||
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| ## Links | ||
| - Watch the talk on [StreamEth](https://streameth.org/65cf97e702e803dbd57d823f/epf_study_group) and [Youtube](https://www.youtube.com/watch?v=daiMhkt0XTw) | ||
| - [Presentation from the talk.](https://hackmd.io/@shemnon/precompiles) | ||
| - [Discussion thread on Discord: Week 10D: Precompiles](https://discord.com/channels/1205546645496795137/1231990093506678785). | ||
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| ## Pre-reading | ||
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| Before starting with the week 10 development content, make yourself familiar with resources in previous weeks, especially week 2 and week 8. You should have understanding of the execution client architecture and EVM. | ||
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| The talk will use examples from Besu, a Java implementation of execution client. At least basic understanding of Java syntax is recommended. | ||
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| Additionally, you can get ready by studying the following resources: | ||
| - [Exploring Precompiled Contracts on Ethereum: A Deep Dive](https://lucasmartincalderon.medium.com/exploring-precompiled-contracts-on-ethereum-a-deep-dive-4e9f9682e0aa) | ||
| - [Precompiles documentation by evm.codes](https://www.evm.codes/precompiled) | ||
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| ## Outline | ||
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| - EVM Precompiles | ||
| - How they are integrated | ||
| - Which precompiles exist | ||
| - How L2s and L1s use them | ||
| - Challanges of creating precompiles | ||
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| ## Additional reading and exercises | ||
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| - [EVM Precompiled and System Contract Catalog](https://github.com/shemnon/precompiles/) | ||
| - [RollCall breakout on precompiles](https://www.youtube.com/watch?v=tg01COfxi_M) | ||
| - [Custom RPCs and Precompiles for Hyperledger Besu](https://www.youtube.com/watch?v=djL5nczlYFw) |
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| # Study Group Week 10 | Consensus upgrades | ||
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| Week 10 research talk will cover variety of Beacon Chain upgrades currently researched, analyzed and considered for inclusion. | ||
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| Join the presentation by [](https://twitter.com/), on [Wednesday, April 24, 4PM UTC](https://savvytime.com/converter/utc-to-germany-berlin-united-kingdom-london-china-shanghai-ny-new-york-city-japan-tokyo-australia-sydney-india-delhi-argentina-buenos-aires/apr-24-2024/4pm). | ||
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| The talk will be streamed live on [StreamEth](https://streameth.org/65cf97e702e803dbd57d823f/epf_study_group) and [Youtube](https://www.youtube.com/@ethprotocolfellows/streams), links will be provided before the call in the [Discord server](https://discord.gg/addwpQbhpq). Discord also serves for the discussion and questions during the stream. | ||
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| ## Pre-reading | ||
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| Before starting with the week 10 development content, make yourself familiar with resources in previous weeks, especially week 3 and week 5. You should have understanding of Beacon Chain and current consensus research topics. | ||
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| Additionally, you can get ready by studying the following resources: | ||
| - [A simple single slot finality](https://ethresear.ch/t/a-simple-single-slot-finality-protocol/14920) | ||
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| ## Outline | ||
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| - Single Slot Finality | ||
| - MaxEB | ||
| - Inclusion lists | ||
| - PeerDAS | ||
| - SSLE | ||
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| ## Additional reading and exercises | ||
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| - [Paths toward single-slot finality, 2022](https://notes.ethereum.org/@vbuterin/single_slot_finality) | ||
| - [Notes on SSF, Lincoln Murr](https://publish.obsidian.md/single-slot-finality/Welcome+to+My+Research!) |
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| # Study Group Week 9 | Purge and Portal Network | ||
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| Week 9 research talk is focused on history expiry and dives into Portal Network, an overlay network for light clients enabling alternative access to current and historical data. | ||
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| Watch the presentation by [Piper Merriam](https://twitter.com/parithosh_j), on [StreamEth](https://streameth.org/65cf97e702e803dbd57d823f/epf_study_group) and [Youtube](https://www.youtube.com/@ethprotocolfellows/streams). | ||
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| <iframe width="560" height="315" src="https://www.youtube.com/embed/GxNrGyQB-3Q?si=gRPhA35dNYPEGDeZ" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe> | ||
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| ## Pre-reading | ||
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| Before starting with the week 9 research content, make yourself familiar with resources in previous weeks, especially week 5 presentation on roadmap. You should understand the execution client database structure, the difference between ancient and current data. | ||
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| Additionally, you can get ready by studying the following resources: | ||
| - [Statelessness and history expiry, Ethereum.org](https://ethereum.org/en/roadmap/statelessness/) | ||
| - [Portal Network web](https://www.ethportal.net/) | ||
| - [EL Data structure](https://epf.wiki/#/wiki/EL/data-structures) | ||
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| ## Outline | ||
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| - History expiry in Ethereum execution clients | ||
| - Portal Network | ||
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| ## Additional reading and exercises | ||
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| - EIP-4444 | ||
| - https://eips.ethereum.org/EIPS/eip-4444 | ||
| - SELFDESTRUCT Removal EIPS (many are stale) | ||
| - https://eips.ethereum.org/EIPS/eip-6049 | ||
| - https://eips.ethereum.org/EIPS/eip-6780 | ||
| - https://eips.ethereum.org/EIPS/eip-2936 | ||
| - https://eips.ethereum.org/EIPS/eip-4758 | ||
| - https://eips.ethereum.org/EIPS/eip-4760 | ||
| - https://eips.ethereum.org/EIPS/eip-6046 | ||
| - https://eips.ethereum.org/EIPS/eip-6190 | ||
| - EOF things: https://hackmd.io/@shemnon/mega-eof-scoping | ||
| - LOG reform | ||
| - https://eips.ethereum.org/EIPS/eip-7668 | ||
| - https://github.com/ethereum/EIPs/pull/8368 | ||
| - Address Space Extension | ||
| - https://github.com/ethereum/EIPs/pull/8385 | ||
| - https://ethereum-magicians.org/t/thoughts-on-address-space-extension-ase/6779 | ||
| - https://ethereum-magicians.org/t/increasing-address-size-from-20-to-32-bytes/5485 | ||
| - https://notes.ethereum.org/@ipsilon/address-space-extension-exploration | ||
| - State Expiry | ||
| - https://notes.ethereum.org/@vbuterin/verkle_and_state_expiry_proposal | ||
| - https://medium.com/@chaisomsri96/statelessness-series-part1-state-expiry-history-expiry-2bbd5835b329 (did not fully vet this article) | ||
| - https://notes.ethereum.org/@vbuterin/state_expiry_eip | ||
| - https://hackmd.io/@vbuterin/state_expiry_paths | ||
| - General Stateless Roadmap Things | ||
| - https://ethereum.org/en/roadmap/statelessness/ | ||
| - [The Portal Network, EthZurich 2023](https://www.youtube.com/watch?v=8MUii5W2sMc) |
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