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https://github.com/logos-blockchain/logos-blockchain-specs.git
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46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
from dataclasses import dataclass
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from typing import List, Generator
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from da.common import NodeId, Column
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from da.encoder import EncodedData
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from da.verifier import DAShare
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@dataclass
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class DispersalSettings:
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nodes_ids: List[NodeId]
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threshold: int
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class Dispersal:
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def __init__(self, settings: DispersalSettings):
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self.settings = settings
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# sort over public keys
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self.settings.nodes_ids.sort()
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def _prepare_data(self, encoded_data: EncodedData) -> Generator[DAShare, None, None]:
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columns = encoded_data.extended_matrix.columns
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row_commitments = encoded_data.row_commitments
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column_proofs = encoded_data.combined_column_proofs
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blobs_data = zip(columns, column_proofs)
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for column_idx, (column, proof) in enumerate(blobs_data):
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blob = DAShare(
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Column(column),
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column_idx,
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proof,
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row_commitments
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)
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yield blob
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def _send_and_await_response(self, node: NodeId, blob: DAShare) -> bool:
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pass
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def disperse(self, encoded_data: EncodedData):
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blob_data = zip(
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self.settings.nodes_ids,
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self._prepare_data(encoded_data)
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)
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for node, blob in blob_data:
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self._send_and_await_response(node, blob)
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