128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
package storage
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"math"
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"math/rand"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/api"
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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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"github.com/filecoin-project/lotus/lib/sectorbuilder"
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)
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// TODO: expected sector ID
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func (m *Miner) storeGarbage(ctx context.Context, sizes ...uint64) ([]uint64, error) {
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deals := make([]actors.StorageDeal, len(sizes))
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for i, size := range sizes {
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commP, err := sectorbuilder.GeneratePieceCommitment(io.LimitReader(rand.New(rand.NewSource(42)), int64(size)), size)
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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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PieceSerialization: actors.SerializationUnixFSv0,
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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,
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}
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if err := api.SignWith(ctx, m.api.WalletSign, m.worker, &sdp); err != nil {
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return nil, xerrors.Errorf("signing storage deal failed: ", err)
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}
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storageDeal := actors.StorageDeal{
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Proposal: sdp,
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}
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if err := api.SignWith(ctx, m.api.WalletSign, m.worker, &storageDeal); err != nil {
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return nil, xerrors.Errorf("signing storage deal failed: ", err)
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}
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deals[i] = storageDeal
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}
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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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// TODO: We may want this to happen after fetching data
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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())
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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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sectorIDs := make([]uint64, len(sizes))
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for i, size := range sizes {
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name := fmt.Sprintf("fake-file-%d", rand.Intn(100000000))
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sectorID, err := m.secst.AddPiece(name, size, io.LimitReader(rand.New(rand.NewSource(42)), int64(size)), resp.DealIDs[i])
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if err != nil {
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return nil, err
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}
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sectorIDs[i] = sectorID
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}
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return sectorIDs, nil
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}
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func (m *Miner) StoreGarbageData(_ context.Context) error {
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ctx := context.TODO()
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ssize, err := m.SectorSize(ctx)
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if err != nil {
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return xerrors.Errorf("failed to get miner sector size: %w", err)
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}
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go func() {
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size := sectorbuilder.UserBytesForSectorSize(ssize)
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sids, err := m.storeGarbage(ctx, 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.SealSector(context.TODO(), sids[0]); 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 err
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}
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