package sectoraccessor import ( "context" "io" "golang.org/x/xerrors" "github.com/filecoin-project/lotus/api" "github.com/filecoin-project/lotus/api/v1api" "github.com/filecoin-project/lotus/chain/types" sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage" "github.com/filecoin-project/lotus/extern/sector-storage/storiface" "github.com/filecoin-project/lotus/markets/dagstore" "github.com/filecoin-project/lotus/node/modules/dtypes" "github.com/filecoin-project/lotus/storage/sectorblocks" "github.com/filecoin-project/go-address" "github.com/filecoin-project/go-fil-markets/retrievalmarket" "github.com/filecoin-project/go-state-types/abi" specstorage "github.com/filecoin-project/specs-storage/storage" "github.com/ipfs/go-cid" logging "github.com/ipfs/go-log/v2" ) var log = logging.Logger("sectoraccessor") type sectorAccessor struct { maddr address.Address secb sectorblocks.SectorBuilder pp sectorstorage.PieceProvider full v1api.FullNode } var _ retrievalmarket.SectorAccessor = (*sectorAccessor)(nil) func NewSectorAccessor(maddr dtypes.MinerAddress, secb sectorblocks.SectorBuilder, pp sectorstorage.PieceProvider, full v1api.FullNode) dagstore.SectorAccessor { return §orAccessor{address.Address(maddr), secb, pp, full} } func (sa *sectorAccessor) UnsealSector(ctx context.Context, sectorID abi.SectorNumber, pieceOffset abi.UnpaddedPieceSize, length abi.UnpaddedPieceSize) (io.ReadCloser, error) { return sa.UnsealSectorAt(ctx, sectorID, pieceOffset, 0, length) } func (sa *sectorAccessor) UnsealSectorAt(ctx context.Context, sectorID abi.SectorNumber, pieceOffset abi.UnpaddedPieceSize, startOffset uint64, length abi.UnpaddedPieceSize) (io.ReadCloser, error) { log.Debugf("get sector %d, pieceOffset %d, length %d", sectorID, pieceOffset, length) si, err := sa.sectorsStatus(ctx, sectorID, false) if err != nil { return nil, err } mid, err := address.IDFromAddress(sa.maddr) if err != nil { return nil, err } ref := specstorage.SectorRef{ ID: abi.SectorID{ Miner: abi.ActorID(mid), Number: sectorID, }, ProofType: si.SealProof, } var commD cid.Cid if si.CommD != nil { commD = *si.CommD } // Get a reader for the piece, unsealing the piece if necessary log.Debugf("read piece in sector %d, pieceOffset %d, startOffset %d, length %d from miner %d", sectorID, pieceOffset, startOffset, length, mid) r, unsealed, err := sa.pp.ReadPiece(ctx, ref, storiface.UnpaddedByteIndex(pieceOffset), startOffset, length, si.Ticket.Value, commD) if err != nil { return nil, xerrors.Errorf("failed to unseal piece from sector %d: %w", sectorID, err) } _ = unsealed // todo: use return r, nil } func (sa *sectorAccessor) IsUnsealed(ctx context.Context, sectorID abi.SectorNumber, offset abi.UnpaddedPieceSize, length abi.UnpaddedPieceSize) (bool, error) { si, err := sa.sectorsStatus(ctx, sectorID, true) if err != nil { return false, xerrors.Errorf("failed to get sector info: %w", err) } mid, err := address.IDFromAddress(sa.maddr) if err != nil { return false, err } ref := specstorage.SectorRef{ ID: abi.SectorID{ Miner: abi.ActorID(mid), Number: sectorID, }, ProofType: si.SealProof, } log.Debugf("will call IsUnsealed now sector=%+v, offset=%d, size=%d", sectorID, offset, length) return sa.pp.IsUnsealed(ctx, ref, storiface.UnpaddedByteIndex(offset), length) } func (sa *sectorAccessor) sectorsStatus(ctx context.Context, sid abi.SectorNumber, showOnChainInfo bool) (api.SectorInfo, error) { sInfo, err := sa.secb.SectorsStatus(ctx, sid, false) if err != nil { return api.SectorInfo{}, err } if !showOnChainInfo { return sInfo, nil } onChainInfo, err := sa.full.StateSectorGetInfo(ctx, sa.maddr, sid, types.EmptyTSK) if err != nil { return sInfo, err } if onChainInfo == nil { return sInfo, nil } sInfo.SealProof = onChainInfo.SealProof sInfo.Activation = onChainInfo.Activation sInfo.Expiration = onChainInfo.Expiration sInfo.DealWeight = onChainInfo.DealWeight sInfo.VerifiedDealWeight = onChainInfo.VerifiedDealWeight sInfo.InitialPledge = onChainInfo.InitialPledge ex, err := sa.full.StateSectorExpiration(ctx, sa.maddr, sid, types.EmptyTSK) if err != nil { return sInfo, nil } sInfo.OnTime = ex.OnTime sInfo.Early = ex.Early return sInfo, nil }