lotus/sealing.go

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package sealing
import (
"context"
"io"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
"github.com/ipfs/go-datastore/namespace"
logging "github.com/ipfs/go-log/v2"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
padreader "github.com/filecoin-project/go-padreader"
statemachine "github.com/filecoin-project/go-statemachine"
sectorstorage "github.com/filecoin-project/sector-storage"
"github.com/filecoin-project/sector-storage/ffiwrapper"
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"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/abi/big"
"github.com/filecoin-project/specs-actors/actors/builtin/market"
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"github.com/filecoin-project/specs-actors/actors/builtin/miner"
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"github.com/filecoin-project/specs-actors/actors/crypto"
)
const SectorStorePrefix = "/sectors"
var log = logging.Logger("sectors")
type SealingAPI interface {
StateWaitMsg(context.Context, cid.Cid) (MsgLookup, error)
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StateComputeDataCommitment(ctx context.Context, maddr address.Address, sectorType abi.RegisteredSealProof, deals []abi.DealID, tok TipSetToken) (cid.Cid, error)
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StateSectorPreCommitInfo(ctx context.Context, maddr address.Address, sectorNumber abi.SectorNumber, tok TipSetToken) (*miner.SectorPreCommitOnChainInfo, error)
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StateSectorGetInfo(ctx context.Context, maddr address.Address, sectorNumber abi.SectorNumber, tok TipSetToken) (*miner.SectorOnChainInfo, error)
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StateMinerSectorSize(context.Context, address.Address, TipSetToken) (abi.SectorSize, error)
StateMinerWorkerAddress(ctx context.Context, maddr address.Address, tok TipSetToken) (address.Address, error)
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StateMinerDeadlines(ctx context.Context, maddr address.Address, tok TipSetToken) (*miner.Deadlines, error)
StateMinerInitialPledgeCollateral(context.Context, address.Address, abi.SectorNumber, TipSetToken) (big.Int, error)
StateMarketStorageDeal(context.Context, abi.DealID, TipSetToken) (market.DealProposal, error)
SendMsg(ctx context.Context, from, to address.Address, method abi.MethodNum, value, gasPrice big.Int, gasLimit int64, params []byte) (cid.Cid, error)
ChainHead(ctx context.Context) (TipSetToken, abi.ChainEpoch, error)
ChainGetRandomness(ctx context.Context, tok TipSetToken, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)
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ChainReadObj(context.Context, cid.Cid) ([]byte, error)
}
type Sealing struct {
api SealingAPI
events Events
maddr address.Address
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sealer sectorstorage.SectorManager
sectors *statemachine.StateGroup
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sc SectorIDCounter
verif ffiwrapper.Verifier
pcp PreCommitPolicy
}
func New(api SealingAPI, events Events, maddr address.Address, ds datastore.Batching, sealer sectorstorage.SectorManager, sc SectorIDCounter, verif ffiwrapper.Verifier, pcp PreCommitPolicy) *Sealing {
s := &Sealing{
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api: api,
events: events,
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maddr: maddr,
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sealer: sealer,
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sc: sc,
verif: verif,
pcp: pcp,
}
s.sectors = statemachine.New(namespace.Wrap(ds, datastore.NewKey(SectorStorePrefix)), s, SectorInfo{})
return s
}
func (m *Sealing) Run(ctx context.Context) error {
if err := m.restartSectors(ctx); err != nil {
log.Errorf("%+v", err)
return xerrors.Errorf("failed load sector states: %w", err)
}
return nil
}
func (m *Sealing) Stop(ctx context.Context) error {
return m.sectors.Stop(ctx)
}
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func (m *Sealing) AllocatePiece(size abi.UnpaddedPieceSize) (sectorID abi.SectorNumber, offset uint64, err error) {
if (padreader.PaddedSize(uint64(size))) != size {
return 0, 0, xerrors.Errorf("cannot allocate unpadded piece")
}
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sid, err := m.sc.Next()
if err != nil {
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return 0, 0, xerrors.Errorf("getting sector number: %w", err)
}
err = m.sealer.NewSector(context.TODO(), m.minerSector(sid)) // TODO: Put more than one thing in a sector
if err != nil {
return 0, 0, xerrors.Errorf("initializing sector: %w", err)
}
// offset hard-coded to 0 since we only put one thing in a sector for now
return sid, 0, nil
}
func (m *Sealing) SealPiece(ctx context.Context, size abi.UnpaddedPieceSize, r io.Reader, sectorID abi.SectorNumber, d DealInfo) error {
log.Infof("Seal piece for deal %d", d.DealID)
ppi, err := m.sealer.AddPiece(sectorstorage.WithPriority(ctx, DealSectorPriority), m.minerSector(sectorID), []abi.UnpaddedPieceSize{}, size, r)
if err != nil {
return xerrors.Errorf("adding piece to sector: %w", err)
}
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rt, err := ffiwrapper.SealProofTypeFromSectorSize(m.sealer.SectorSize())
if err != nil {
return xerrors.Errorf("bad sector size: %w", err)
}
return m.newSector(sectorID, rt, []Piece{
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{
Piece: ppi,
DealInfo: &d,
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},
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})
}
// newSector accepts a slice of pieces which will have a deal associated with
// them (in the event of a storage deal) or no deal (in the event of sealing
// garbage data)
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func (m *Sealing) newSector(sid abi.SectorNumber, rt abi.RegisteredSealProof, pieces []Piece) error {
log.Infof("Start sealing %d", sid)
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return m.sectors.Send(uint64(sid), SectorStart{
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ID: sid,
Pieces: pieces,
SectorType: rt,
})
}
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func (m *Sealing) Remove(ctx context.Context, sid abi.SectorNumber) error {
return m.sectors.Send(uint64(sid), SectorRemove{})
}
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func (m *Sealing) minerSector(num abi.SectorNumber) abi.SectorID {
mid, err := address.IDFromAddress(m.maddr)
if err != nil {
panic(err)
}
return abi.SectorID{
Number: num,
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Miner: abi.ActorID(mid),
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}
}
func (m *Sealing) Address() address.Address {
return m.maddr
}