## Issue Addressed NA ## Proposed Changes As discovered in #4034, Lighthouse is not accepting `latest_valid_hash == None` in an `INVALID` response to `newPayload`. The `null`/`None` response *was* illegal at one point, however it was added in https://github.com/ethereum/execution-apis/pull/254. This PR brings Lighthouse in line with the standard and should fix the root cause of what #4034 patched around. ## Additional Info NA |
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|---|---|---|
| .. | ||
| engine_api | ||
| test_utils | ||
| block_hash.rs | ||
| engine_api.rs | ||
| engines.rs | ||
| keccak.rs | ||
| lib.rs | ||
| metrics.rs | ||
| payload_cache.rs | ||
| payload_status.rs | ||