lotus/storage/sealing/sealing.go

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package sealing
import (
"context"
"io"
"github.com/filecoin-project/go-address"
"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"
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"github.com/filecoin-project/go-padreader"
"github.com/filecoin-project/go-sectorbuilder"
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"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
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"github.com/filecoin-project/specs-actors/actors/crypto"
"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"
"github.com/filecoin-project/lotus/lib/statemachine"
)
const SectorStorePrefix = "/sectors"
var log = logging.Logger("sectors")
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type TicketFn func(context.Context) (*api.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)
StateCall(context.Context, *types.Message, types.TipSetKey) (*api.MethodCall, error)
StateMinerWorker(context.Context, address.Address, types.TipSetKey) (address.Address, error)
StateMinerPostState(ctx context.Context, actor address.Address, ts types.TipSetKey) (*miner.PoStState, error)
StateMinerSectors(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)
StateMinerProvingSet(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)
StateMinerSectorSize(context.Context, address.Address, types.TipSetKey) (abi.SectorSize, error)
StateWaitMsg(context.Context, cid.Cid) (*api.MsgWait, error) // TODO: removeme eventually
StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error)
StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error)
MpoolPushMessage(context.Context, *types.Message) (*types.SignedMessage, error)
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ChainHead(context.Context) (*types.TipSet, error)
ChainNotify(context.Context) (<-chan []*store.HeadChange, error)
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ChainGetRandomness(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)
ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)
ChainGetBlockMessages(context.Context, cid.Cid) (*api.BlockMessages, error)
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ChainReadObj(context.Context, cid.Cid) ([]byte, error)
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ChainHasObj(context.Context, cid.Cid) (bool, error)
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WalletSign(context.Context, address.Address, []byte) (*crypto.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 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.sb.AcquireSectorNumber() // 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)
}
rt, _, err := api.ProofTypeFromSectorSize(m.sb.SectorSize())
if err != nil {
return xerrors.Errorf("bad sector size: %w", err)
}
return m.newSector(sectorID, rt, []Piece{
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{
DealID: &dealID,
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Size: ppi.Size.Unpadded(),
CommP: ppi.PieceCID,
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},
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})
}
func (m *Sealing) newSector(sid abi.SectorNumber, rt abi.RegisteredProof, pieces []Piece) error {
log.Infof("Start sealing %d", sid)
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return m.sectors.Send(uint64(sid), SectorStart{
id: sid,
pieces: pieces,
sectorType: rt,
})
}