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add note about not invalidating valid and available blocks

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danny 2023-10-19 20:58:20 -06:00 committed by GitHub
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specs/deneb/fork-choice.md
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@ -47,6 +47,8 @@ Initially, verification requires every verifying actor to retrieve all matching
The block MUST NOT be considered valid until all valid `Blob`s have been downloaded. Blocks that have been previously validated as available SHOULD be considered available even if the associated `Blob`s have subsequently been pruned.
*Note*: Extraneous or invalid Blobs received on the p2p network MUST NOT invalidate a block that is otherwise valid and available.
```python
def is_data_available(beacon_block_root: Root, blob_kzg_commitments: Sequence[KZGCommitment]) -> bool:
# `retrieve_blobs_and_proofs` is implementation and context dependent