package sealer import ( "context" "sort" "sync" "go.uber.org/multierr" "golang.org/x/xerrors" ffi "github.com/filecoin-project/filecoin-ffi" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/specs-actors/v6/actors/builtin" "github.com/filecoin-project/specs-actors/v7/actors/runtime/proof" "github.com/filecoin-project/lotus/storage/sealer/storiface" ) func (m *Manager) GenerateWinningPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof.ExtendedSectorInfo, randomness abi.PoStRandomness) ([]proof.PoStProof, error) { if !m.winningPoStSched.CanSched(ctx) { log.Info("GenerateWinningPoSt run at lotus-miner") return m.localProver.GenerateWinningPoSt(ctx, minerID, sectorInfo, randomness) } return m.generateWinningPoSt(ctx, minerID, sectorInfo, randomness) } func (m *Manager) generateWinningPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof.ExtendedSectorInfo, randomness abi.PoStRandomness) ([]proof.PoStProof, error) { randomness[31] &= 0x3f sectorNums := make([]abi.SectorNumber, len(sectorInfo)) for i, s := range sectorInfo { sectorNums[i] = s.SectorNumber } if len(sectorInfo) == 0 { return nil, xerrors.New("generate window post len(sectorInfo)=0") } spt := sectorInfo[0].SealProof ppt, err := spt.RegisteredWinningPoStProof() if err != nil { return nil, err } postChallenges, err := ffi.GeneratePoStFallbackSectorChallenges(ppt, minerID, randomness, sectorNums) if err != nil { return nil, xerrors.Errorf("generating fallback challenges: %v", err) } sectorChallenges := make([]storiface.PostSectorChallenge, len(sectorInfo)) for i, s := range sectorInfo { sectorChallenges[i] = storiface.PostSectorChallenge{ SealProof: s.SealProof, SectorNumber: s.SectorNumber, SealedCID: s.SealedCID, Challenge: postChallenges.Challenges[s.SectorNumber], Update: s.SectorKey != nil, } } var proofs []proof.PoStProof err = m.winningPoStSched.Schedule(ctx, false, spt, func(ctx context.Context, w Worker) error { out, err := w.GenerateWinningPoSt(ctx, ppt, minerID, sectorChallenges, randomness) if err != nil { return err } proofs = out return nil }) if err != nil { return nil, err } return proofs, nil } func (m *Manager) GenerateWindowPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof.ExtendedSectorInfo, randomness abi.PoStRandomness) (proof []proof.PoStProof, skipped []abi.SectorID, err error) { if !m.windowPoStSched.CanSched(ctx) { log.Info("GenerateWindowPoSt run at lotus-miner") return m.localProver.GenerateWindowPoSt(ctx, minerID, sectorInfo, randomness) } return m.generateWindowPoSt(ctx, minerID, sectorInfo, randomness) } func dedupeSectorInfo(sectorInfo []proof.ExtendedSectorInfo) []proof.ExtendedSectorInfo { out := make([]proof.ExtendedSectorInfo, 0, len(sectorInfo)) seen := map[abi.SectorNumber]struct{}{} for _, info := range sectorInfo { if _, seen := seen[info.SectorNumber]; seen { continue } seen[info.SectorNumber] = struct{}{} out = append(out, info) } return out } func (m *Manager) generateWindowPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof.ExtendedSectorInfo, randomness abi.PoStRandomness) ([]proof.PoStProof, []abi.SectorID, error) { var retErr error = nil randomness[31] &= 0x3f out := make([]proof.PoStProof, 0) if len(sectorInfo) == 0 { return nil, nil, xerrors.New("generate window post len(sectorInfo)=0") } spt := sectorInfo[0].SealProof ppt, err := spt.RegisteredWindowPoStProof() if err != nil { return nil, nil, err } maxPartitionSize, err := builtin.PoStProofWindowPoStPartitionSectors(ppt) // todo proxy through chain/actors if err != nil { return nil, nil, xerrors.Errorf("get sectors count of partition failed:%+v", err) } // We're supplied the list of sectors that the miner actor expects - this // list contains substitutes for skipped sectors - but we don't care about // those for the purpose of the proof, so for things to work, we need to // dedupe here. sectorInfo = dedupeSectorInfo(sectorInfo) // The partitions number of this batch // ceil(sectorInfos / maxPartitionSize) partitionCount := uint64((len(sectorInfo) + int(maxPartitionSize) - 1) / int(maxPartitionSize)) log.Infof("generateWindowPoSt maxPartitionSize:%d partitionCount:%d", maxPartitionSize, partitionCount) var skipped []abi.SectorID var flk sync.Mutex cctx, cancel := context.WithCancel(ctx) defer cancel() sort.Slice(sectorInfo, func(i, j int) bool { return sectorInfo[i].SectorNumber < sectorInfo[j].SectorNumber }) sectorNums := make([]abi.SectorNumber, len(sectorInfo)) sectorMap := make(map[abi.SectorNumber]proof.ExtendedSectorInfo) for i, s := range sectorInfo { sectorNums[i] = s.SectorNumber sectorMap[s.SectorNumber] = s } postChallenges, err := ffi.GeneratePoStFallbackSectorChallenges(ppt, minerID, randomness, sectorNums) if err != nil { return nil, nil, xerrors.Errorf("generating fallback challenges: %v", err) } proofList := make([]ffi.PartitionProof, partitionCount) var wg sync.WaitGroup wg.Add(int(partitionCount)) for partIdx := uint64(0); partIdx < partitionCount; partIdx++ { go func(partIdx uint64) { defer wg.Done() sectors := make([]storiface.PostSectorChallenge, 0) for i := uint64(0); i < maxPartitionSize; i++ { si := i + partIdx*maxPartitionSize if si >= uint64(len(postChallenges.Sectors)) { break } snum := postChallenges.Sectors[si] sinfo := sectorMap[snum] sectors = append(sectors, storiface.PostSectorChallenge{ SealProof: sinfo.SealProof, SectorNumber: snum, SealedCID: sinfo.SealedCID, Challenge: postChallenges.Challenges[snum], Update: sinfo.SectorKey != nil, }) } p, sk, err := m.generatePartitionWindowPost(cctx, spt, ppt, minerID, int(partIdx), sectors, randomness) if err != nil || len(sk) > 0 { log.Errorf("generateWindowPost part:%d, skipped:%d, sectors: %d, err: %+v", partIdx, len(sk), len(sectors), err) flk.Lock() skipped = append(skipped, sk...) if err != nil { retErr = multierr.Append(retErr, xerrors.Errorf("partitionCount:%d err:%+v", partIdx, err)) } flk.Unlock() } proofList[partIdx] = ffi.PartitionProof(p) }(partIdx) } wg.Wait() if len(skipped) > 0 { return nil, skipped, multierr.Append(xerrors.Errorf("some sectors (%d) were skipped", len(skipped)), retErr) } postProofs, err := ffi.MergeWindowPoStPartitionProofs(ppt, proofList) if err != nil { return nil, skipped, xerrors.Errorf("merge windowPoSt partition proofs: %v", err) } out = append(out, *postProofs) return out, skipped, retErr } func (m *Manager) generatePartitionWindowPost(ctx context.Context, spt abi.RegisteredSealProof, ppt abi.RegisteredPoStProof, minerID abi.ActorID, partIndex int, sc []storiface.PostSectorChallenge, randomness abi.PoStRandomness) (proof.PoStProof, []abi.SectorID, error) { log.Infow("generateWindowPost", "index", partIndex) var result storiface.WindowPoStResult err := m.windowPoStSched.Schedule(ctx, true, spt, func(ctx context.Context, w Worker) error { out, err := w.GenerateWindowPoSt(ctx, ppt, minerID, sc, partIndex, randomness) if err != nil { return err } result = out return nil }) log.Warnf("generateWindowPost partition:%d, get skip count:%d", partIndex, len(result.Skipped)) return result.PoStProofs, result.Skipped, err } func (m *Manager) GenerateWinningPoStWithVanilla(ctx context.Context, proofType abi.RegisteredPoStProof, minerID abi.ActorID, randomness abi.PoStRandomness, proofs [][]byte) ([]proof.PoStProof, error) { //TODO implement me panic("implement me") } func (m *Manager) GenerateWindowPoStWithVanilla(ctx context.Context, proofType abi.RegisteredPoStProof, minerID abi.ActorID, randomness abi.PoStRandomness, proofs [][]byte, partitionIdx int) (proof.PoStProof, error) { //TODO implement me panic("implement me") }