test(api): add API endpoint response conformance test vectors#617
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tcoratger wants to merge 1 commit intoleanEthereum:mainfrom
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test(api): add API endpoint response conformance test vectors#617tcoratger wants to merge 1 commit intoleanEthereum:mainfrom
tcoratger wants to merge 1 commit intoleanEthereum:mainfrom
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Introduces an ApiEndpointTest fixture that generates JSON test vectors for the 4 deterministic API endpoints. Given genesis parameters, the fixture builds a store and computes the exact expected HTTP response (status code, content type, body) for each endpoint. Endpoints covered: - GET /lean/v0/health (static JSON payload) - GET /lean/v0/checkpoints/justified (slot + root from store) - GET /lean/v0/states/finalized (hex-encoded SSZ bytes) - GET /lean/v0/fork_choice (full tree with weights and checkpoints) 6 test vectors with two genesis configurations (4 and 12 validators) to verify that different validator counts produce different roots. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Endpoints covered
Vectors (6 total)
Test plan
uvx tox -e all-checkspassesuv run fill --fork=devnet --clean -n auto -- tests/consensus/devnet/api/generates all 6 fixtures{"status": "healthy", "service": "lean-rpc-api"}🤖 Generated with Claude Code