148 lines
3.8 KiB
Go
148 lines
3.8 KiB
Go
package sealing
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import (
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"bytes"
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"context"
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"io"
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"math"
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"math/bits"
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"math/rand"
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"runtime"
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sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/types"
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)
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func (m *Sealing) pledgeReader(size uint64, parts uint64) io.Reader {
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parts = 1 << bits.Len64(parts) // round down to nearest power of 2
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if size/parts < 127 {
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parts = size / 127
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}
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piece := sectorbuilder.UserBytesForSectorSize((size/127 + size) / parts)
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readers := make([]io.Reader, parts)
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for i := range readers {
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readers[i] = io.LimitReader(rand.New(rand.NewSource(42+int64(i))), int64(piece))
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}
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return io.MultiReader(readers...)
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}
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func (m *Sealing) pledgeSector(ctx context.Context, sectorID uint64, existingPieceSizes []uint64, sizes ...uint64) ([]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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deals := make([]actors.StorageDealProposal, len(sizes))
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for i, size := range sizes {
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commP, err := m.fastPledgeCommitment(size, uint64(runtime.NumCPU()))
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if err != nil {
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return nil, err
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}
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sdp := actors.StorageDealProposal{
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PieceRef: commP[:],
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PieceSize: size,
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Client: m.worker,
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Provider: m.maddr,
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ProposalExpiration: math.MaxUint64,
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Duration: math.MaxUint64 / 2, // /2 because overflows
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StoragePricePerEpoch: types.NewInt(0),
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StorageCollateral: types.NewInt(0),
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ProposerSignature: nil, // nil because self dealing
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}
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deals[i] = sdp
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}
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log.Infof("Publishing deals for %d", sectorID)
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params, aerr := actors.SerializeParams(&actors.PublishStorageDealsParams{
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Deals: deals,
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})
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if aerr != nil {
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return nil, xerrors.Errorf("serializing PublishStorageDeals params failed: ", aerr)
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}
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smsg, err := m.api.MpoolPushMessage(ctx, &types.Message{
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To: actors.StorageMarketAddress,
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From: m.worker,
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Value: types.NewInt(0),
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GasPrice: types.NewInt(0),
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GasLimit: types.NewInt(1000000),
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Method: actors.SMAMethods.PublishStorageDeals,
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Params: params,
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})
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if err != nil {
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return nil, err
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}
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r, err := m.api.StateWaitMsg(ctx, smsg.Cid()) // TODO: more finality
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if err != nil {
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return nil, err
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}
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if r.Receipt.ExitCode != 0 {
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log.Error(xerrors.Errorf("publishing deal failed: exit %d", r.Receipt.ExitCode))
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}
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var resp actors.PublishStorageDealResponse
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if err := resp.UnmarshalCBOR(bytes.NewReader(r.Receipt.Return)); err != nil {
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return nil, err
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}
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if len(resp.DealIDs) != len(sizes) {
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return nil, xerrors.New("got unexpected number of DealIDs from PublishStorageDeals")
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}
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log.Infof("Deals for sector %d: %+v", sectorID, resp.DealIDs)
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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, uint64(runtime.NumCPU())), 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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DealID: resp.DealIDs[i],
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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 := sectorbuilder.UserBytesForSectorSize(m.sb.SectorSize())
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sid, err := m.sb.AcquireSectorId()
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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, []uint64{}, 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(context.TODO(), sid, pieces[0].DealID, pieces[0].ppi()); 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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