lotus/sealing.go
Łukasz Magiera 328439a8bf gofmt
2020-07-15 16:53:17 +02:00

296 lines
8.7 KiB
Go

package sealing
import (
"context"
"io"
"sync"
"time"
"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"
"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"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
"github.com/filecoin-project/specs-actors/actors/crypto"
)
const SectorStorePrefix = "/sectors"
var log = logging.Logger("sectors")
type SectorLocation struct {
Deadline uint64
Partition uint64
}
type SealingAPI interface {
StateWaitMsg(context.Context, cid.Cid) (MsgLookup, error)
StateComputeDataCommitment(ctx context.Context, maddr address.Address, sectorType abi.RegisteredSealProof, deals []abi.DealID, tok TipSetToken) (cid.Cid, error)
StateSectorPreCommitInfo(ctx context.Context, maddr address.Address, sectorNumber abi.SectorNumber, tok TipSetToken) (*miner.SectorPreCommitOnChainInfo, error)
StateSectorGetInfo(ctx context.Context, maddr address.Address, sectorNumber abi.SectorNumber, tok TipSetToken) (*miner.SectorOnChainInfo, error)
StateSectorPartition(ctx context.Context, maddr address.Address, sectorNumber abi.SectorNumber, tok TipSetToken) (*SectorLocation, error)
StateMinerSectorSize(context.Context, address.Address, TipSetToken) (abi.SectorSize, error)
StateMinerWorkerAddress(ctx context.Context, maddr address.Address, tok TipSetToken) (address.Address, error)
StateMinerDeadlines(ctx context.Context, maddr address.Address, tok TipSetToken) ([]*miner.Deadline, error)
StateMinerInitialPledgeCollateral(context.Context, address.Address, miner.SectorPreCommitInfo, 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)
ChainReadObj(context.Context, cid.Cid) ([]byte, error)
}
type Sealing struct {
api SealingAPI
events Events
maddr address.Address
sealer sectorstorage.SectorManager
sectors *statemachine.StateGroup
sc SectorIDCounter
verif ffiwrapper.Verifier
pcp PreCommitPolicy
unsealedInfoMap UnsealedSectorMap
upgradeLk sync.Mutex
toUpgrade map[abi.SectorNumber]struct{}
getSealDelay GetSealingDelayFunc
}
type UnsealedSectorMap struct {
infos map[abi.SectorNumber]UnsealedSectorInfo
mux sync.Mutex
}
type UnsealedSectorInfo struct {
// stored should always equal sum of pieceSizes.Padded()
stored uint64
pieceSizes []abi.UnpaddedPieceSize
}
func New(api SealingAPI, events Events, maddr address.Address, ds datastore.Batching, sealer sectorstorage.SectorManager, sc SectorIDCounter, verif ffiwrapper.Verifier, pcp PreCommitPolicy, gsd GetSealingDelayFunc) *Sealing {
s := &Sealing{
api: api,
events: events,
maddr: maddr,
sealer: sealer,
sc: sc,
verif: verif,
pcp: pcp,
unsealedInfoMap: UnsealedSectorMap{
infos: make(map[abi.SectorNumber]UnsealedSectorInfo),
mux: sync.Mutex{},
},
toUpgrade: map[abi.SectorNumber]struct{}{},
getSealDelay: gsd,
}
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)
}
func (m *Sealing) AddPieceToAnySector(ctx context.Context, size abi.UnpaddedPieceSize, r io.Reader, d DealInfo) (abi.SectorNumber, uint64, error) {
log.Infof("Adding piece for deal %d", d.DealID)
if (padreader.PaddedSize(uint64(size))) != size {
return 0, 0, xerrors.Errorf("cannot allocate unpadded piece")
}
if size > abi.UnpaddedPieceSize(m.sealer.SectorSize()) {
return 0, 0, xerrors.Errorf("piece cannot fit into a sector")
}
m.unsealedInfoMap.mux.Lock()
defer m.unsealedInfoMap.mux.Unlock()
sid, pads, err := m.getSectorAndPadding(size)
if err != nil {
return 0, 0, xerrors.Errorf("getting available sector: %w", err)
}
for _, p := range pads {
err = m.addPiece(ctx, sid, p.Unpadded(), m.pledgeReader(p.Unpadded()), nil)
if err != nil {
return 0, 0, xerrors.Errorf("writing pads: %w", err)
}
}
offset := m.unsealedInfoMap.infos[sid].stored
err = m.addPiece(ctx, sid, size, r, &d)
if err != nil {
return 0, 0, xerrors.Errorf("adding piece to sector: %w", err)
}
return sid, offset, nil
}
// Caller should hold m.unsealedInfoMap.mux
func (m *Sealing) addPiece(ctx context.Context, sectorID abi.SectorNumber, size abi.UnpaddedPieceSize, r io.Reader, di *DealInfo) error {
log.Infof("Adding piece to sector %d", sectorID)
ppi, err := m.sealer.AddPiece(sectorstorage.WithPriority(ctx, DealSectorPriority), m.minerSector(sectorID), m.unsealedInfoMap.infos[sectorID].pieceSizes, size, r)
if err != nil {
return xerrors.Errorf("writing piece: %w", err)
}
piece := Piece{
Piece: ppi,
DealInfo: di,
}
err = m.sectors.Send(uint64(sectorID), SectorAddPiece{NewPiece: piece})
if err != nil {
return err
}
ui := m.unsealedInfoMap.infos[sectorID]
m.unsealedInfoMap.infos[sectorID] = UnsealedSectorInfo{
stored: ui.stored + uint64(piece.Piece.Size),
pieceSizes: append(ui.pieceSizes, piece.Piece.Size.Unpadded()),
}
return nil
}
func (m *Sealing) Remove(ctx context.Context, sid abi.SectorNumber) error {
return m.sectors.Send(uint64(sid), SectorRemove{})
}
// Caller should NOT hold m.unsealedInfoMap.mux
func (m *Sealing) StartPacking(sectorID abi.SectorNumber) error {
log.Infof("Starting packing sector %d", sectorID)
err := m.sectors.Send(uint64(sectorID), SectorStartPacking{})
if err != nil {
return err
}
m.unsealedInfoMap.mux.Lock()
delete(m.unsealedInfoMap.infos, sectorID)
m.unsealedInfoMap.mux.Unlock()
return nil
}
// Caller should hold m.unsealedInfoMap.mux
func (m *Sealing) getSectorAndPadding(size abi.UnpaddedPieceSize) (abi.SectorNumber, []abi.PaddedPieceSize, error) {
ss := m.sealer.SectorSize()
for k, v := range m.unsealedInfoMap.infos {
pads, padLength := ffiwrapper.GetRequiredPadding(abi.PaddedPieceSize(v.stored), size.Padded())
if v.stored+uint64(size)+uint64(padLength) <= uint64(ss) {
return k, pads, nil
}
}
ns, err := m.newSector()
if err != nil {
return 0, nil, err
}
m.unsealedInfoMap.infos[ns] = UnsealedSectorInfo{
stored: 0,
pieceSizes: nil,
}
return ns, nil, nil
}
// newSector creates a new sector for deal storage
func (m *Sealing) newSector() (abi.SectorNumber, error) {
sid, err := m.sc.Next()
if err != nil {
return 0, xerrors.Errorf("getting sector number: %w", err)
}
err = m.sealer.NewSector(context.TODO(), m.minerSector(sid))
if err != nil {
return 0, xerrors.Errorf("initializing sector: %w", err)
}
rt, err := ffiwrapper.SealProofTypeFromSectorSize(m.sealer.SectorSize())
if err != nil {
return 0, xerrors.Errorf("bad sector size: %w", err)
}
log.Infof("Creating sector %d", sid)
err = m.sectors.Send(uint64(sid), SectorStart{
ID: sid,
SectorType: rt,
})
if err != nil {
return 0, xerrors.Errorf("starting the sector fsm: %w", err)
}
sd, err := m.getSealDelay()
if err != nil {
return 0, xerrors.Errorf("getting the sealing delay: %w", err)
}
if sd > 0 {
timer := time.NewTimer(sd)
go func() {
<-timer.C
m.StartPacking(sid)
}()
}
return sid, nil
}
// newSectorCC accepts a slice of pieces with no deal (junk data)
func (m *Sealing) newSectorCC(sid abi.SectorNumber, pieces []Piece) error {
rt, err := ffiwrapper.SealProofTypeFromSectorSize(m.sealer.SectorSize())
if err != nil {
return xerrors.Errorf("bad sector size: %w", err)
}
log.Infof("Creating CC sector %d", sid)
return m.sectors.Send(uint64(sid), SectorStartCC{
ID: sid,
Pieces: pieces,
SectorType: rt,
})
}
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,
Miner: abi.ActorID(mid),
}
}
func (m *Sealing) Address() address.Address {
return m.maddr
}