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Clarify setting blob_data_available in PayloadAttestations #4769

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Clarify setting blob_data_available in PayloadAttestations #4769

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9d525db
spec out how to set blob_data_available
bharath-123 Dec 2, 2025
015711e
fix lint
bharath-123 Dec 2, 2025
b14335e
address justin's comment
bharath-123 Dec 3, 2025
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2 changes: 2 additions & 0 deletions specs/gloas/validator.md
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Expand Up @@ -198,6 +198,8 @@ The validator creates `payload_attestation_message` as follows:
- If a previously seen `SignedExecutionPayloadEnvelope` references the block
with root `data.beacon_block_root`, set `data.payload_present` to `True`;
otherwise, set `data.payload_present` to `False`.
- Set `data.blob_data_available` to `True`, if
`is_data_available(data.beacon_block_root)` returns `True`.
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@jtraglia jtraglia Dec 2, 2025

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This can be simplified a bit 😄

Suggested change
- Set `data.blob_data_available` to `True`, if
`is_data_available(data.beacon_block_root)` returns `True`.
- Set `data.blob_data_available` to `is_data_available(data.beacon_block_root)`.

- Set `payload_attestation_message.validator_index = validator_index` where
`validator_index` is the validator chosen to submit. The private key mapping
to `state.validators[validator_index].pubkey` is used to sign the payload
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