lotus/extern/storage-fsm/garbage.go

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package sealing
import (
"context"
"io"
"golang.org/x/xerrors"
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"github.com/filecoin-project/specs-actors/actors/abi"
nr "github.com/filecoin-project/storage-fsm/lib/nullreader"
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)
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func (m *Sealing) pledgeReader(size abi.UnpaddedPieceSize) io.Reader {
return io.LimitReader(&nr.Reader{}, int64(size))
}
func (m *Sealing) pledgeSector(ctx context.Context, sectorID abi.SectorID, existingPieceSizes []abi.UnpaddedPieceSize, sizes ...abi.UnpaddedPieceSize) ([]abi.PieceInfo, error) {
if len(sizes) == 0 {
return nil, nil
}
log.Infof("Pledge %d, contains %+v", sectorID, existingPieceSizes)
out := make([]abi.PieceInfo, len(sizes))
for i, size := range sizes {
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ppi, err := m.sealer.AddPiece(ctx, sectorID, existingPieceSizes, size, m.pledgeReader(size))
if err != nil {
return nil, xerrors.Errorf("add piece: %w", err)
}
existingPieceSizes = append(existingPieceSizes, size)
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out[i] = ppi
}
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
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size := abi.PaddedPieceSize(m.sealer.SectorSize()).Unpadded()
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sid, err := m.sc.Next()
if err != nil {
log.Errorf("%+v", err)
return
}
err = m.sealer.NewSector(ctx, m.minerSector(sid))
if err != nil {
log.Errorf("%+v", err)
return
}
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pieces, err := m.pledgeSector(ctx, m.minerSector(sid), []abi.UnpaddedPieceSize{}, size)
if err != nil {
log.Errorf("%+v", err)
return
}
ps := make([]Piece, len(pieces))
for idx := range ps {
ps[idx] = Piece{
Piece: pieces[idx],
DealInfo: nil,
}
}
if err := m.newSectorCC(sid, ps); err != nil {
log.Errorf("%+v", err)
return
}
}()
return nil
}