package sealing import ( "context" "io" "golang.org/x/xerrors" "github.com/filecoin-project/specs-actors/actors/abi" "github.com/filecoin-project/lotus/api" "github.com/filecoin-project/lotus/lib/nullreader" ) func (m *Sealing) pledgeReader(size abi.UnpaddedPieceSize) io.Reader { return io.LimitReader(&nullreader.Reader{}, int64(size)) } func (m *Sealing) pledgeSector(ctx context.Context, sectorID abi.SectorNumber, existingPieceSizes []abi.UnpaddedPieceSize, sizes ...abi.UnpaddedPieceSize) ([]Piece, error) { if len(sizes) == 0 { return nil, nil } log.Infof("Pledge %d, contains %+v", sectorID, existingPieceSizes) out := make([]Piece, len(sizes)) for i, size := range sizes { ppi, err := m.sb.AddPiece(ctx, size, sectorID, m.pledgeReader(size), existingPieceSizes) if err != nil { return nil, xerrors.Errorf("add piece: %w", err) } existingPieceSizes = append(existingPieceSizes, size) out[i] = Piece{ Size: ppi.Size.Unpadded(), CommP: ppi.PieceCID, } } return out, nil } func (m *Sealing) PledgeSector() error { go func() { ctx := context.TODO() // we can't use the context from command which invokes // this, as we run everything here async, and it's cancelled when the // command exits size := abi.PaddedPieceSize(m.sb.SectorSize()).Unpadded() rt, _, err := api.ProofTypeFromSectorSize(m.sb.SectorSize()) if err != nil { log.Error(err) return } sid, err := m.sb.AcquireSectorNumber() if err != nil { log.Errorf("%+v", err) return } pieces, err := m.pledgeSector(ctx, sid, []abi.UnpaddedPieceSize{}, size) if err != nil { log.Errorf("%+v", err) return } if err := m.newSector(sid, rt, pieces); err != nil { log.Errorf("%+v", err) return } }() return nil }