feat: in-process ethrex integration (embedded EL, --execution-mode inprocess)#530

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feat/ethrex-inprocess-poc

Commits on May 13, 2026

feat: integrate with ethrex over Engine API
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Commits on May 14, 2026

Merge branch 'main' into engine-api-integration
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fix(ethrex-client): address review feedback on wire types and scaffold FCU
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Commits on May 18, 2026

Merge remote-tracking branch 'origin/main' into engine-api-integration
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refactor(types): promote execution-payload schema into common/types
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refactor(types): make ExecutionPayloadV3 and Withdrawal SSZ-derivable
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feat(types): add ExecutionPayloadHeader plus payload→header projection
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feat(types): embed execution payload in BlockBody and State (schema break)
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feat(state-transition): wire process_execution_payload into STF
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feat(blockchain): validate received-block payloads via engine_newPayloadV3
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feat(blockchain): fetch real execution payloads from the EL on proposal
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test(blockchain): cover Phase 4 payload threading + leanSpec proposal draft
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Commits on May 19, 2026

Commits on May 20, 2026

Switch the two remaining V4 call sites in the actor to engine_newPayloadV5
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Commits on May 27, 2026

Merge remote-tracking branch 'origin/main' into engine-api-integration
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committed

Commits on Jun 9, 2026

Commits on Jul 20, 2026

Commits on Jul 21, 2026