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Merge pull request #3958 from ppopth/correct-get-data-column-sidecars-usage

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Justin Traglia 2024-10-03 13:33:05 -05:00 committed by GitHub
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specs/_features/eip7594/das-core.md
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@ -244,7 +244,7 @@ In this construction, we extend the blobs using a one-dimensional erasure coding
### Parameters ### Parameters
For each column -- use `data_column_sidecar_{subnet_id}` subnets, where `subnet_id` can be computed with the `compute_subnet_for_data_column_sidecar(column_index: ColumnIndex)` helper. The sidecars can be computed with the `get_data_column_sidecars(signed_block: SignedBeaconBlock, blobs: Sequence[Blob])` helper. For each column -- use `data_column_sidecar_{subnet_id}` subnets, where `subnet_id` can be computed with the `compute_subnet_for_data_column_sidecar(column_index: ColumnIndex)` helper. The sidecars can be computed with `cells_and_kzg_proofs = [compute_cells_and_kzg_proofs(blob) for blob in blobs]` and then `get_data_column_sidecars(signed_block, cells_and_kzg_proofs)`.
Verifiable samples from their respective column are distributed on the assigned subnet. To custody a particular column, a node joins the respective gossipsub subnet. If a node fails to get a column on the column subnet, a node can also utilize the Req/Resp protocol to query the missing column from other peers. Verifiable samples from their respective column are distributed on the assigned subnet. To custody a particular column, a node joins the respective gossipsub subnet. If a node fails to get a column on the column subnet, a node can also utilize the Req/Resp protocol to query the missing column from other peers.