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