Fix evmreader reliability: subscription retry/liveness, idempotent inputs, input count validation, and unified fetch logic#755

Merged

vfusco merged 14 commits intonext/2.0from

feature/evmreader-review

Mar 16, 2026

Commits on Mar 14, 2026

fix(evmreader): prevent checkpoint advance for apps that failed input fetch
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fix(evmreader): add ws liveness timeout
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fix(evmreader): fix retry logic, health reporting, and context cancellation handling
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fix(evmreader): cache contract adapters per app
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fix(evmreader): validate sealed epoch input count
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refactor(evmreader): store concrete ethclient in adapter factory and remove runtime type assertion
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fix(evmreader): resolve liveness timer race with simultaneous header arrival
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refactor(evmreader): simplify test infrastructure and mock setup
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refactor(evmreader): extract epoch indexing into pure testable function
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test(evmreader): add critical error path tests for checkpoint safety
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test(evmreader): cover DaveConsensus sealed and open epoch paths
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test(evmreader): cover service entry point, config, and feature flags
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test(evmreader): add edge case and adversarial input tests
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refactor(evmreader): consolidate input fetch into unified fetchInputs
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