lotus/storage/sealing/garbage.go
2020-02-28 11:31:28 -08:00

77 lines
1.7 KiB
Go

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
}