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get_custody_columns: Move node_id test against UINT256_MAX out of the while loop. #3742

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get_custody_columns: Move node_id test against UINT256_MAX out of the while loop. #3742

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`get_custody_columns`: Move `node_id` test against `UINT256_MAX` out …
nalepae May 2, 2024
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hwwhww May 3, 2024
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7 changes: 4 additions & 3 deletions specs/_features/eip7594/das-core.md
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Original file line number Diff line number Diff line change
Expand Up @@ -105,12 +105,13 @@ class DataColumnSidecar(Container):
def get_custody_columns(node_id: NodeID, custody_subnet_count: uint64) -> Sequence[ColumnIndex]:
assert custody_subnet_count <= DATA_COLUMN_SIDECAR_SUBNET_COUNT

if node_id == UINT256_MAX:
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node_id = NodeID(0)

subnet_ids: List[uint64] = []
i = 0
while len(subnet_ids) < custody_subnet_count:
if node_id == UINT256_MAX:
node_id = NodeID(0)

while len(subnet_ids) < custody_subnet_count:
subnet_id = (
bytes_to_uint64(hash(uint_to_bytes(uint256(node_id + i)))[0:8])
% DATA_COLUMN_SIDECAR_SUBNET_COUNT
Expand Down