feat: single-sequencer P2P broadcast validation and L1 contract upgrade height#923

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tomatoishealthy wants to merge 9 commits intomainfrom

feat/p2p-broadcast-validation

Commits on Apr 16, 2026

feat: L1Sequencer history + SequencerVerifier + deploy fix

allen.wu
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claude
committed
feat: P2P security test framework (build-malicious + p2p-test)

allen.wu
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claude
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fix: p2p security test script improvements

allen.wu
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claude
committed
fix: sequencer key + L1 initializeHistory in devnet setup

allen.wu
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claude
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fix: T-06 blocksync main path + Phase 0 precondition checks

allen.wu
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claude
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feat: L1Sequencer unit tests + bindings regen + verifier retry backoff

allen.wu
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claude
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refactor: rename Solidity struct SequencerRecord -> HistoryRecord

allen.wu
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claude
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refactor: remove CONSENSUS_SWITCH_HEIGHT flag, read upgrade height from L1 contract

allen.wu
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claude
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revert: restore docker-compose-4nodes.yml to main state

allen.wu
and
claude
committed