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db: Wrap errors in db.fetchAncestor to better identify unmarshalling issues (#11342)

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* db: Wrap errors in db.fetchAncestor to better identify unmarshalling issues. See #11327

* Wrap genesis state fetch, just in case

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
This commit is contained in:
Preston Van Loon
2022-08-29 11:08:03 -05:00
committed by GitHub
parent b5039e9bd9
commit 57b7e0b572
1 changed files with 5 additions and 3 deletions
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8
beacon-chain/state/stategen/getter.go
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@@ -239,7 +239,8 @@ func (s *State) latestAncestor(ctx context.Context, blockRoot [32]byte) (state.B
// Is the state the genesis state.
parentRoot := bytesutil.ToBytes32(b.Block().ParentRoot())
if parentRoot == params.BeaconConfig().ZeroHash {
return s.beaconDB.GenesisState(ctx)
s, err := s.beaconDB.GenesisState(ctx)
return s, errors.Wrap(err, "could not get genesis state")
}
// Return an error if slot hasn't been covered by checkpoint sync.
@@ -268,12 +269,13 @@ func (s *State) latestAncestor(ctx context.Context, blockRoot [32]byte) (state.B
// Does the state exists in DB.
if s.beaconDB.HasState(ctx, parentRoot) {
return s.beaconDB.State(ctx, parentRoot)
s, err := s.beaconDB.State(ctx, parentRoot)
return s, errors.Wrap(err, "failed to retrieve state from db")
}
b, err = s.beaconDB.Block(ctx, parentRoot)
if err != nil {
return nil, err
return nil, errors.Wrap(err, "failed to retrieve block from db")
}
if b == nil || b.IsNil() {
return nil, errUnknownBlock