feat: add robust SSZ response validation #5
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Add comprehensive validation to detect and report invalid SSZ responses: - Check if response is text/JSON/metrics instead of binary SSZ - Validate slot values are within reasonable bounds (< 1B slots) - Validate genesis_time is a reasonable Unix timestamp - Provide detailed error messages showing what was received This prevents garbage data from being reported when upstreams return Prometheus metrics or JSON error responses on the finalized endpoint.
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Add comprehensive validation to detect and report invalid SSZ responses:
This prevents garbage data from being reported when upstreams return Prometheus metrics or JSON error responses on the finalized endpoint.