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fix: recover cells and proofs

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Agnish Ghosh 2024-08-19 18:50:20 +05:30
parent f71354b307
commit 61033ed99b
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1 changed files with 14 additions and 18 deletions
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30
beacon_chain/spec/eip7594_helpers.nim
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@ -180,34 +180,30 @@ proc recover_cells_and_proofs*(
if not (blobCount == data_column.column.len): if not (blobCount == data_column.column.len):
return err ("DataColumns do not have the same length") return err ("DataColumns do not have the same length")
var recovered_cps = newSeqOfCap[CellsAndProofs](blobCount) var
recovered_cps = newSeq[CellsAndProofs](blobCount)
for blobIdx in 0 ..< blobCount: for blobIdx in 0 ..< blobCount:
var var
cell_ids = newSeqOfCap[CellID](columnCount) bIdx = blobIdx
ckzgCells = newSeqOfCap[KzgCell](columnCount) cell_ids = newSeq[CellID](columnCount)
ckzgCells = newSeq[KzgCell](columnCount)
for data_column in data_columns: for i in 0..<data_columns.len:
cell_ids.add(data_column.index) cell_ids[i] = data_columns[i].index
let let
column = data_column.column column = data_columns[i].column
cell = column[blobIdx] cell = column[bIdx]
# Transform the cell as a ckzg cell ckzgCells[i] = cell
var ckzgCell: array[BYTES_PER_CELL, byte]
for i in 0 ..< int(FIELD_ELEMENTS_PER_CELL):
var start = 32 * i
for j in 0 ..< 32:
var inter = cell.bytes
ckzgCell[start + j] = inter[start+j].byte
ckzgCells.add(KzgCell(bytes: ckzgCell))
# Recovering the cells and proofs # Recovering the cells and proofs
let recovered_cells_and_proofs = recoverCellsAndKzgProofs(cell_ids, ckzgCells) let recovered_cells_and_proofs = recoverCellsAndKzgProofs(cell_ids, ckzgCells)
if not recovered_cells_and_proofs.isOk:
return err("Issue with computing cells and proofs!")
recovered_cps.add(recovered_cells_and_proofs.get) recovered_cps[blobIdx] = recovered_cells_and_proofs.get
ok(recovered_cps) ok(recovered_cps)