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docs(node): add Rex5 to validator hardfork schedule and hooks#55

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Troublor/doc/rex5-validator-architecture
Jun 16, 2026
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docs(node): add Rex5 to validator hardfork schedule and hooks#55
Troublor merged 2 commits into
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Troublor/doc/rex5-validator-architecture

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Summary

The validator architecture guide was missing the Rex5 hardfork. This page is meant to track the full MegaETH hardfork schedule and the per-fork pre-execution system-contract hooks, but stopped at Rex4. This brings it up to date now that Rex5 is the active spec.

  • Add Rex5 to the MegaETH hardfork schedule list (docs/node/validator-architecture.md).
  • Add a Rex5 entry to the pre-execution system-contract hook list: deployment of the SequencerRegistry contract (0x6342000000000000000000000000000000000006), the dynamic-authority oracle upgrade, and the additional pre-block applyPendingChanges() system call that runs when a scheduled system-address/sequencer change is due.

Sibling pages (docs/dev/execution/overview.md, docs/dev/execution/system-contracts.md) already cover Rex5 and the SequencerRegistry contract; this aligns the validator page with them.

Test plan

  • mise run lint (lychee link check, markdownlint, prettier --check) — formatting re-aligned the edited Markdown table to satisfy prettier.
  • Rendered the page to confirm the new bullet and schedule entry display correctly.

This PR was generated by an automated agent.

@Troublor Troublor added the agent label Jun 16, 2026
Comment thread docs/node/validator-architecture.md Outdated
- **MiniRex** — deploy the oracle contract and the high-precision timestamp oracle contract.
- **Rex2** — deploy the keyless-deploy contract.
- **Rex4** — deploy the access-control contract and the `MegaLimitControl` contract.
- **Rex5** — deploy the `SequencerRegistry` contract (`0x6342000000000000000000000000000000000006`) and upgrade the oracle to its dynamic-authority version. When a scheduled system-address or sequencer change is due, an additional pre-block system call to `applyPendingChanges()` is executed.

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Two sentences on one line — violates the project's "one sentence, one line" rule (CLAUDE.md). Every other bullet in this list is a single sentence. Split the second sentence onto a continuation line:

Suggested change
- **Rex5** — deploy the `SequencerRegistry` contract (`0x6342000000000000000000000000000000000006`) and upgrade the oracle to its dynamic-authority version. When a scheduled system-address or sequencer change is due, an additional pre-block system call to `applyPendingChanges()` is executed.
- **Rex5** — deploy the `SequencerRegistry` contract (`0x6342000000000000000000000000000000000006`) and upgrade the oracle to its dynamic-authority version.
When a scheduled system-address or sequencer change is due, an additional pre-block system call to `applyPendingChanges()` is executed.

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Changes look correct and complete.

  • Contract address 0x6342000000000000000000000000000000000006 matches docs/dev/execution/system-contracts.md.
  • The Rex5 description (SequencerRegistry deployment, dynamic-authority oracle upgrade, applyPendingChanges() pre-block call) is consistent with sibling pages.
  • The two sentences in the Rex5 bullet are already on separate lines — the previous thread's concern is addressed.

LGTM.

@Troublor Troublor merged commit dc2a74f into main Jun 16, 2026
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@Troublor Troublor deleted the Troublor/doc/rex5-validator-architecture branch June 16, 2026 01:10
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