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reconstruct while syncing

This commit is contained in:
Agnish Ghosh 2024-10-21 23:06:20 +05:30
parent a55972c87a
commit aa493191e7
1 changed files with 30 additions and 4 deletions
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30
beacon_chain/sync/sync_manager.nim
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@ -342,14 +342,25 @@ proc getDataColumnSidecars[A, B](man: SyncManager[A, B], peer: A,
debug "Requesting data column sidecars from peer", request = req
dataColumnSidecarsByRange(peer, req.slot, req.count, localCustodyColumns)
proc reconstructWhileColumnSync*(blck: deneb.SignedBeaconBlock |
electra.SignedBeaconBlock,
columns: seq[ref DataColumnSidecar]):
seq[ref DataColumnSidecar] =
let
recovered_cps = recover_cells_and_proofs(columns.mapIt(it[]), blck)
recovered_cols = get_data_column_sidecars(blck, recovered_cps.get)
refSeq = recovered_cols.mapIt(newClone it)
refSeq
func groupDataColumns*[T](req: SyncRequest[T],
proc groupDataColumns*[T](req: SyncRequest[T],
blocks: seq[ref ForkedSignedBeaconBlock],
data_columns: seq[ref DataColumnSidecar]):
Result[seq[DataColumnSidecars], string] =
var
grouped = newSeq[DataColumnSidecars](len(blocks))
groupedAndReconstructed =
newSeq[DataColumnSidecars](len(blocks))
column_cursor = 0
for block_idx, blck in blocks:
withBlck(blck[]):
@ -368,13 +379,28 @@ func groupDataColumns*[T](req: SyncRequest[T],
grouped[block_idx].add(data_column_sidecar)
inc column_cursor
for block_idx, blck in blocks:
withBlck(blck[]):
when consensusFork >= ConsensusFork.Deneb:
template kzgs: untyped = forkyBlck.message.body.blob_kzg_commitments
if kzgs.len == 0:
continue
if grouped[block_idx].len >= (NUMBER_OF_COLUMNS div 2):
let
recovered_cps = recover_cells_and_proofs(grouped[block_idx].mapIt(it[]), forkyBlck)
recovered_cols = get_data_column_sidecars(forkyBlck, recovered_cps.get)
refSeq = recovered_cols.mapIt(newClone it)
groupedAndReconstructed[block_idx].add(refSeq)
else:
groupedAndReconstructed[block_idx].add(grouped[block_idx])
if column_cursor != len(data_columns):
# we reached end of blocks without consuming all data columns so either
# the peer we got too few blocks in the paired request, or the
# peer is sending us spurious data columns.
Result[seq[DataColumnSidecars], string].err "invalid block or data column sequence"
else:
Result[seq[DataColumnSidecars], string].ok grouped
Result[seq[DataColumnSidecars], string].ok groupedAndReconstructed
proc checkDataColumns(data_columns: seq[DataColumnSidecars]): Result[void, string] =
for data_column_sidecars in data_columns: