lotus/storage/sealing/sealing.go

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package sealing
import (
"context"
"io"
"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/specs-actors/actors/abi"
"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-sectorbuilder"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/chain/events"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/lib/padreader"
"github.com/filecoin-project/lotus/lib/statemachine"
)
const SectorStorePrefix = "/sectors"
var log = logging.Logger("sectors")
type TicketFn func(context.Context) (*sectorbuilder.SealTicket, error)
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type sealingApi interface { // TODO: trim down
// Call a read only method on actors (no interaction with the chain required)
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StateCall(context.Context, *types.Message, *types.TipSet) (*api.MethodCall, error)
StateMinerWorker(context.Context, address.Address, *types.TipSet) (address.Address, error)
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StateMinerElectionPeriodStart(ctx context.Context, actor address.Address, ts *types.TipSet) (abi.ChainEpoch, error)
StateMinerSectors(context.Context, address.Address, *types.TipSet) ([]*api.ChainSectorInfo, error)
StateMinerProvingSet(context.Context, address.Address, *types.TipSet) ([]*api.ChainSectorInfo, error)
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StateMinerSectorSize(context.Context, address.Address, *types.TipSet) (abi.SectorSize, error)
StateWaitMsg(context.Context, cid.Cid) (*api.MsgWait, error) // TODO: removeme eventually
StateGetActor(ctx context.Context, actor address.Address, ts *types.TipSet) (*types.Actor, error)
StateGetReceipt(context.Context, cid.Cid, *types.TipSet) (*types.MessageReceipt, error)
StateMarketStorageDeal(context.Context, abi.DealID, *types.TipSet) (*api.MarketDeal, error)
MpoolPushMessage(context.Context, *types.Message) (*types.SignedMessage, error)
ChainHead(context.Context) (*types.TipSet, error)
ChainNotify(context.Context) (<-chan []*store.HeadChange, error)
ChainGetRandomness(context.Context, types.TipSetKey, int64) ([]byte, error)
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ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, *types.TipSet) (*types.TipSet, error)
ChainGetBlockMessages(context.Context, cid.Cid) (*api.BlockMessages, error)
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ChainReadObj(context.Context, cid.Cid) ([]byte, error)
WalletSign(context.Context, address.Address, []byte) (*types.Signature, error)
WalletBalance(context.Context, address.Address) (types.BigInt, error)
WalletHas(context.Context, address.Address) (bool, error)
}
type Sealing struct {
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api sealingApi
events *events.Events
maddr address.Address
worker address.Address
sb sectorbuilder.Interface
sectors *statemachine.StateGroup
tktFn TicketFn
}
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func New(api sealingApi, events *events.Events, maddr address.Address, worker address.Address, ds datastore.Batching, sb sectorbuilder.Interface, tktFn TicketFn) *Sealing {
s := &Sealing{
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api: api,
events: events,
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maddr: maddr,
worker: worker,
sb: sb,
tktFn: tktFn,
}
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 uint64) (sectorID abi.SectorNumber, offset uint64, err error) {
if padreader.PaddedSize(size) != size {
return 0, 0, xerrors.Errorf("cannot allocate unpadded piece")
}
sid, err := m.sb.AcquireSectorId() // TODO: Put more than one thing in a sector
if err != nil {
return 0, 0, xerrors.Errorf("acquiring sector ID: %w", err)
}
// offset hard-coded to 0 since we only put one thing in a sector for now
return sid, 0, nil
}
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func (m *Sealing) SealPiece(ctx context.Context, size abi.UnpaddedPieceSize, r io.Reader, sectorID abi.SectorNumber, dealID abi.DealID) error {
log.Infof("Seal piece for deal %d", dealID)
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ppi, err := m.sb.AddPiece(ctx, size, sectorID, r, []abi.UnpaddedPieceSize{})
if err != nil {
return xerrors.Errorf("adding piece to sector: %w", err)
}
return m.newSector(ctx, sectorID, dealID, ppi)
}
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func (m *Sealing) newSector(ctx context.Context, sid abi.SectorNumber, dealID abi.DealID, ppi sectorbuilder.PublicPieceInfo) error {
log.Infof("Start sealing %d", sid)
return m.sectors.Send(sid, SectorStart{
id: sid,
pieces: []Piece{
{
DealID: dealID,
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Size: abi.UnpaddedPieceSize(ppi.Size),
CommP: ppi.CommP[:],
},
},
})
}