116 lines
3.8 KiB
Go
116 lines
3.8 KiB
Go
package sectorstorage
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import (
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"context"
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"crypto/rand"
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"fmt"
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"golang.org/x/xerrors"
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ffi "github.com/filecoin-project/filecoin-ffi"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/specs-actors/actors/runtime/proof"
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"github.com/filecoin-project/specs-storage/storage"
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"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
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"github.com/filecoin-project/lotus/extern/sector-storage/storiface"
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)
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// FaultTracker TODO: Track things more actively
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type FaultTracker interface {
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CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error)
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}
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// CheckProvable returns unprovable sectors
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func (m *Manager) CheckProvable(ctx context.Context, pp abi.RegisteredPoStProof, sectors []storage.SectorRef, rg storiface.RGetter) (map[abi.SectorID]string, error) {
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var bad = make(map[abi.SectorID]string)
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// TODO: More better checks
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for _, sector := range sectors {
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err := func() error {
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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locked, err := m.index.StorageTryLock(ctx, sector.ID, storiface.FTSealed|storiface.FTCache, storiface.FTNone)
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if err != nil {
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return xerrors.Errorf("acquiring sector lock: %w", err)
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}
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if !locked {
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log.Warnw("CheckProvable Sector FAULT: can't acquire read lock", "sector", sector)
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bad[sector.ID] = fmt.Sprint("can't acquire read lock")
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return nil
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}
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lp, _, err := m.storage.AcquireSectorPaths(ctx, sector, storiface.FTSealed|storiface.FTCache, storiface.FTNone, storiface.PathStorage)
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if err != nil {
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log.Warnw("CheckProvable Sector FAULT: acquire sector in checkProvable", "sector", sector, "error", err)
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bad[sector.ID] = fmt.Sprintf("acquire sector failed: %s", err)
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return nil
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}
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if lp.Sealed == "" || lp.Cache == "" {
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log.Warnw("CheckProvable Sector FAULT: cache and/or sealed paths not found", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache)
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bad[sector.ID] = fmt.Sprintf("cache and/or sealed paths not found, cache %q, sealed %q", lp.Cache, lp.Sealed)
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return nil
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}
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if rg != nil {
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wpp, err := sector.ProofType.RegisteredWindowPoStProof()
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if err != nil {
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return err
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}
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var pr abi.PoStRandomness = make([]byte, abi.RandomnessLength)
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_, _ = rand.Read(pr)
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pr[31] &= 0x3f
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ch, err := ffi.GeneratePoStFallbackSectorChallenges(wpp, sector.ID.Miner, pr, []abi.SectorNumber{
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sector.ID.Number,
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})
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if err != nil {
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log.Warnw("CheckProvable Sector FAULT: generating challenges", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "err", err)
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bad[sector.ID] = fmt.Sprintf("generating fallback challenges: %s", err)
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return nil
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}
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commr, err := rg(ctx, sector.ID)
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if err != nil {
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log.Warnw("CheckProvable Sector FAULT: getting commR", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "err", err)
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bad[sector.ID] = fmt.Sprintf("getting commR: %s", err)
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return nil
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}
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psi := ffiwrapper.PrivateSectorInfo{
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Psi: ffi.PrivateSectorInfo{
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SectorInfo: proof.SectorInfo{
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SealProof: sector.ProofType,
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SectorNumber: sector.ID.Number,
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SealedCID: commr,
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},
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CacheDirPath: lp.Cache,
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PoStProofType: wpp,
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SealedSectorPath: lp.Sealed,
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},
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}
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_, err = m.storage.GenerateSingleVanillaProof(ctx, sector.ID.Miner, &psi, ch.Challenges[sector.ID.Number])
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if err != nil {
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log.Warnw("CheckProvable Sector FAULT: generating vanilla proof", "sector", sector, "sealed", lp.Sealed, "cache", lp.Cache, "err", err)
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bad[sector.ID] = fmt.Sprintf("generating vanilla proof: %s", err)
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return nil
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}
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}
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return nil
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}()
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if err != nil {
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return nil, err
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}
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}
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return bad, nil
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}
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var _ FaultTracker = &Manager{}
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