package sectorstorage import ( "context" "crypto/rand" "fmt" "golang.org/x/xerrors" ffi "github.com/filecoin-project/filecoin-ffi" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/specs-storage/storage" "github.com/filecoin-project/lotus/extern/sector-storage/storiface" ) // FaultTracker TODO: Track things more actively type FaultTracker interface { CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error) } // CheckProvable returns unprovable sectors func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error) { if rg == nil { return nil, xerrors.Errorf("rg is nil") } var bad = make(map[abi.SectorID]string) for _, sector := range sectors { err := func() error { ctx, cancel := context.WithCancel(ctx) defer cancel() locked, err := m.index.StorageTryLock(ctx, sector.ID, storiface.FTSealed|storiface.FTCache, storiface.FTNone) if err != nil { return xerrors.Errorf("acquiring sector lock: %w", err) } if !locked { log.Warnw("CheckProvable Sector FAULT: can't acquire read lock", "sector", sector) bad[sector.ID] = fmt.Sprint("can't acquire read lock") return nil } wpp, err := sector.ProofType.RegisteredWindowPoStProof() if err != nil { return err } var pr abi.PoStRandomness = make([]byte, abi.RandomnessLength) _, _ = rand.Read(pr) pr[31] &= 0x3f ch, err := ffi.GeneratePoStFallbackSectorChallenges(wpp, sector.ID.Miner, pr, []abi.SectorNumber{ sector.ID.Number, }) if err != nil { log.Warnw("CheckProvable Sector FAULT: generating challenges", "sector", sector, "err", err) bad[sector.ID] = fmt.Sprintf("generating fallback challenges: %s", err) return nil } commr, err := rg(ctx, sector.ID) if err != nil { log.Warnw("CheckProvable Sector FAULT: getting commR", "sector", sector, "sealed", "err", err) bad[sector.ID] = fmt.Sprintf("getting commR: %s", err) return nil } _, err = m.storage.GenerateSingleVanillaProof(ctx, sector.ID.Miner, storiface.PostSectorChallenge{ SealProof: sector.ProofType, SectorNumber: sector.ID.Number, SealedCID: commr, Challenge: ch.Challenges[sector.ID.Number], }, wpp) if err != nil { log.Warnw("CheckProvable Sector FAULT: generating vanilla proof", "sector", sector, "err", err) bad[sector.ID] = fmt.Sprintf("generating vanilla proof: %s", err) return nil } return nil }() if err != nil { return nil, err } } return bad, nil } var _ FaultTracker = &Manager{}