status-im/nimbus-eth2
2
0
Fork 0
mirror of https://github.com/status-im/nimbus-eth2.git synced 2025-01-19 11:03:40 +00:00
Code Issues Projects Releases Wiki Activity

fix: recover cells and proofs

Browse Source
This commit is contained in:
Agnish Ghosh 2024-08-19 18:50:20 +05:30
parent f71354b307
commit 61033ed99b
No known key found for this signature in database
GPG Key ID: 7BDDA05D1B25E9F8
1 changed files with 14 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
beacon_chain/spec/eip7594_helpers.nim
View File

@ -180,34 +180,30 @@ proc recover_cells_and_proofs*(
if not (blobCount == data_column.column.len):
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:
var
cell_ids = newSeqOfCap[CellID](columnCount)
ckzgCells = newSeqOfCap[KzgCell](columnCount)
bIdx = blobIdx
cell_ids = newSeq[CellID](columnCount)
ckzgCells = newSeq[KzgCell](columnCount)
for data_column in data_columns:
cell_ids.add(data_column.index)
for i in 0..<data_columns.len:
cell_ids[i] = data_columns[i].index
let
column = data_column.column
cell = column[blobIdx]
# Transform the cell as a ckzg 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))
column = data_columns[i].column
cell = column[bIdx]
ckzgCells[i] = cell
# Recovering the cells and proofs
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)