Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

core, eth/downloader: handle spurious junk bodies from racey rollbacks #25578

Merged
merged 2 commits into from
Aug 23, 2022
Merged

core, eth/downloader: handle spurious junk bodies from racey rollbacks #25578

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ea269d1
eth/downloader: handle junkbodies/receipts in the beacon sync
karalabe Aug 23, 2022
b594700
core: check for header presence when checking for blocks
karalabe Aug 23, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions core/blockchain_reader.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,9 @@ func (bc *BlockChain) HasBlock(hash common.Hash, number uint64) bool {
if bc.blockCache.Contains(hash) {
return true
}
if !bc.HasHeader(hash, number) {
return false
}
return rawdb.HasBody(bc.db, hash, number)
}

Expand Down
13 changes: 7 additions & 6 deletions eth/downloader/skeleton.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -358,6 +358,7 @@ func (s *skeleton) sync(head *types.Header) (*types.Header, error) {
// If the sync is already done, resume the backfiller. When the loop stops,
// terminate the backfiller too.
linked := len(s.progress.Subchains) == 1 &&
rawdb.HasHeader(s.db, s.progress.Subchains[0].Next, s.scratchHead) &&
rawdb.HasBody(s.db, s.progress.Subchains[0].Next, s.scratchHead) &&
rawdb.HasReceipts(s.db, s.progress.Subchains[0].Next, s.scratchHead)
if linked {
Expand Down Expand Up @@ -946,12 +947,12 @@ func (s *skeleton) processResponse(res *headerResponse) (linked bool, merged boo
// In the case of full sync it would be enough to check for the body,
// but even a full syncing node will generate a receipt once block
// processing is done, so it's just one more "needless" check.
var (
hasBody = rawdb.HasBody(s.db, header.ParentHash, header.Number.Uint64()-1)
hasReceipt = rawdb.HasReceipts(s.db, header.ParentHash, header.Number.Uint64()-1)
)
if hasBody && hasReceipt {
linked = true
//
// The weird cascading checks are done to minimize the database reads.
linked = rawdb.HasHeader(s.db, header.ParentHash, header.Number.Uint64()-1) &&
rawdb.HasBody(s.db, header.ParentHash, header.Number.Uint64()-1) &&
rawdb.HasReceipts(s.db, header.ParentHash, header.Number.Uint64()-1)
if linked {
break
}
}
Expand Down