lotus/extern/storage-sealing/input.go

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package sealing
import (
"context"
"sort"
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"time"
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"github.com/filecoin-project/go-padreader"
"github.com/filecoin-project/go-statemachine"
"github.com/ipfs/go-cid"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-commp-utils/zerocomm"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/specs-storage/storage"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors/policy"
"github.com/filecoin-project/lotus/chain/types"
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sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
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"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
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)
func (m *Sealing) handleWaitDeals(ctx statemachine.Context, sector SectorInfo) error {
var used abi.UnpaddedPieceSize
for _, piece := range sector.Pieces {
used += piece.Piece.Size.Unpadded()
}
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m.inputLk.Lock()
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if m.nextDealSector != nil && *m.nextDealSector == sector.SectorNumber {
m.nextDealSector = nil
}
sid := m.minerSectorID(sector.SectorNumber)
if len(m.assignedPieces[sid]) > 0 {
m.inputLk.Unlock()
// got assigned more pieces in the AddPiece state
return ctx.Send(SectorAddPiece{})
}
started, err := m.maybeStartSealing(ctx, sector, used)
if err != nil || started {
delete(m.openSectors, m.minerSectorID(sector.SectorNumber))
m.inputLk.Unlock()
return err
}
if _, has := m.openSectors[sid]; !has {
m.openSectors[sid] = &openSector{
used: used,
maybeAccept: func(cid cid.Cid) error {
// todo check deal start deadline (configurable)
m.assignedPieces[sid] = append(m.assignedPieces[sid], cid)
return ctx.Send(SectorAddPiece{})
},
number: sector.SectorNumber,
ccUpdate: sector.CCUpdate,
}
} else {
// make sure we're only accounting for pieces which were correctly added
// (note that m.assignedPieces[sid] will always be empty here)
m.openSectors[sid].used = used
}
go func() {
defer m.inputLk.Unlock()
if err := m.updateInput(ctx.Context(), sector.SectorType); err != nil {
log.Errorf("%+v", err)
}
}()
return nil
}
func (m *Sealing) maybeStartSealing(ctx statemachine.Context, sector SectorInfo, used abi.UnpaddedPieceSize) (bool, error) {
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now := time.Now()
st := m.sectorTimers[m.minerSectorID(sector.SectorNumber)]
if st != nil {
if !st.Stop() { // timer expired, SectorStartPacking was/is being sent
// we send another SectorStartPacking in case one was sent in the handleAddPiece state
log.Infow("starting to seal deal sector", "sector", sector.SectorNumber, "trigger", "wait-timeout")
return true, ctx.Send(SectorStartPacking{})
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}
}
ssize, err := sector.SectorType.SectorSize()
if err != nil {
return false, xerrors.Errorf("getting sector size")
}
maxDeals, err := getDealPerSectorLimit(ssize)
if err != nil {
return false, xerrors.Errorf("getting per-sector deal limit: %w", err)
}
if len(sector.dealIDs()) >= maxDeals {
// can't accept more deals
log.Infow("starting to seal deal sector", "sector", sector.SectorNumber, "trigger", "maxdeals")
return true, ctx.Send(SectorStartPacking{})
}
if used.Padded() == abi.PaddedPieceSize(ssize) {
// sector full
log.Infow("starting to seal deal sector", "sector", sector.SectorNumber, "trigger", "filled")
return true, ctx.Send(SectorStartPacking{})
}
if sector.CreationTime != 0 {
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cfg, err := m.getConfig()
if err != nil {
return false, xerrors.Errorf("getting storage config: %w", err)
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}
sealTime := time.Unix(sector.CreationTime, 0).Add(cfg.WaitDealsDelay)
// check deal age, start sealing when the deal closest to starting is within slack time
_, current, err := m.Api.ChainHead(ctx.Context())
blockTime := time.Second * time.Duration(build.BlockDelaySecs)
if err != nil {
return false, xerrors.Errorf("API error getting head: %w", err)
}
for _, piece := range sector.Pieces {
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if piece.DealInfo == nil {
continue
}
dealSafeSealEpoch := piece.DealInfo.DealProposal.StartEpoch - cfg.StartEpochSealingBuffer
dealSafeSealTime := time.Now().Add(time.Duration(dealSafeSealEpoch-current) * blockTime)
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if dealSafeSealTime.Before(sealTime) {
sealTime = dealSafeSealTime
}
}
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if now.After(sealTime) {
log.Infow("starting to seal deal sector", "sector", sector.SectorNumber, "trigger", "wait-timeout")
return true, ctx.Send(SectorStartPacking{})
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}
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m.sectorTimers[m.minerSectorID(sector.SectorNumber)] = time.AfterFunc(sealTime.Sub(now), func() {
log.Infow("starting to seal deal sector", "sector", sector.SectorNumber, "trigger", "wait-timer")
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if err := ctx.Send(SectorStartPacking{}); err != nil {
log.Errorw("sending SectorStartPacking event failed", "sector", sector.SectorNumber, "error", err)
}
})
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}
return false, nil
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}
func (m *Sealing) handleAddPiece(ctx statemachine.Context, sector SectorInfo) error {
ssize, err := sector.SectorType.SectorSize()
if err != nil {
return err
}
res := SectorPieceAdded{}
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m.inputLk.Lock()
pending, ok := m.assignedPieces[m.minerSectorID(sector.SectorNumber)]
if ok {
delete(m.assignedPieces, m.minerSectorID(sector.SectorNumber))
}
m.inputLk.Unlock()
if !ok {
// nothing to do here (might happen after a restart in AddPiece)
return ctx.Send(res)
}
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var offset abi.UnpaddedPieceSize
pieceSizes := make([]abi.UnpaddedPieceSize, len(sector.Pieces))
for i, p := range sector.Pieces {
pieceSizes[i] = p.Piece.Size.Unpadded()
offset += p.Piece.Size.Unpadded()
}
maxDeals, err := getDealPerSectorLimit(ssize)
if err != nil {
return xerrors.Errorf("getting per-sector deal limit: %w", err)
}
for i, piece := range pending {
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m.inputLk.Lock()
deal, ok := m.pendingPieces[piece]
m.inputLk.Unlock()
if !ok {
return xerrors.Errorf("piece %s assigned to sector %d not found", piece, sector.SectorNumber)
}
if len(sector.dealIDs())+(i+1) > maxDeals {
// todo: this is rather unlikely to happen, but in case it does, return the deal to waiting queue instead of failing it
deal.accepted(sector.SectorNumber, offset, xerrors.Errorf("too many deals assigned to sector %d, dropping deal", sector.SectorNumber))
continue
}
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pads, padLength := ffiwrapper.GetRequiredPadding(offset.Padded(), deal.size.Padded())
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if offset.Padded()+padLength+deal.size.Padded() > abi.PaddedPieceSize(ssize) {
// todo: this is rather unlikely to happen, but in case it does, return the deal to waiting queue instead of failing it
deal.accepted(sector.SectorNumber, offset, xerrors.Errorf("piece %s assigned to sector %d with not enough space", piece, sector.SectorNumber))
continue
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}
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offset += padLength.Unpadded()
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for _, p := range pads {
expectCid := zerocomm.ZeroPieceCommitment(p.Unpadded())
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ppi, err := m.sealer.AddPiece(sectorstorage.WithPriority(ctx.Context(), DealSectorPriority),
m.minerSector(sector.SectorType, sector.SectorNumber),
pieceSizes,
p.Unpadded(),
NewNullReader(p.Unpadded()))
if err != nil {
err = xerrors.Errorf("writing padding piece: %w", err)
deal.accepted(sector.SectorNumber, offset, err)
return ctx.Send(SectorAddPieceFailed{err})
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}
if !ppi.PieceCID.Equals(expectCid) {
err = xerrors.Errorf("got unexpected padding piece CID: expected:%s, got:%s", expectCid, ppi.PieceCID)
deal.accepted(sector.SectorNumber, offset, err)
return ctx.Send(SectorAddPieceFailed{err})
}
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pieceSizes = append(pieceSizes, p.Unpadded())
res.NewPieces = append(res.NewPieces, Piece{
Piece: ppi,
})
}
ppi, err := m.sealer.AddPiece(sectorstorage.WithPriority(ctx.Context(), DealSectorPriority),
m.minerSector(sector.SectorType, sector.SectorNumber),
pieceSizes,
deal.size,
deal.data)
if err != nil {
err = xerrors.Errorf("writing piece: %w", err)
deal.accepted(sector.SectorNumber, offset, err)
return ctx.Send(SectorAddPieceFailed{err})
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}
if !ppi.PieceCID.Equals(deal.deal.DealProposal.PieceCID) {
err = xerrors.Errorf("got unexpected piece CID: expected:%s, got:%s", deal.deal.DealProposal.PieceCID, ppi.PieceCID)
deal.accepted(sector.SectorNumber, offset, err)
return ctx.Send(SectorAddPieceFailed{err})
}
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log.Infow("deal added to a sector", "deal", deal.deal.DealID, "sector", sector.SectorNumber, "piece", ppi.PieceCID)
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deal.accepted(sector.SectorNumber, offset, nil)
offset += deal.size
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pieceSizes = append(pieceSizes, deal.size)
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res.NewPieces = append(res.NewPieces, Piece{
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Piece: ppi,
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DealInfo: &deal.deal,
})
}
return ctx.Send(res)
}
func (m *Sealing) handleAddPieceFailed(ctx statemachine.Context, sector SectorInfo) error {
return ctx.Send(SectorRetryWaitDeals{})
}
func (m *Sealing) SectorAddPieceToAny(ctx context.Context, size abi.UnpaddedPieceSize, data storage.Data, deal api.PieceDealInfo) (api.SectorOffset, error) {
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log.Infof("Adding piece for deal %d (publish msg: %s)", deal.DealID, deal.PublishCid)
if (padreader.PaddedSize(uint64(size))) != size {
return api.SectorOffset{}, xerrors.Errorf("cannot allocate unpadded piece")
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}
sp, err := m.currentSealProof(ctx)
if err != nil {
return api.SectorOffset{}, xerrors.Errorf("getting current seal proof type: %w", err)
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}
ssize, err := sp.SectorSize()
if err != nil {
return api.SectorOffset{}, err
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}
if size > abi.PaddedPieceSize(ssize).Unpadded() {
return api.SectorOffset{}, xerrors.Errorf("piece cannot fit into a sector")
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}
if _, err := deal.DealProposal.Cid(); err != nil {
return api.SectorOffset{}, xerrors.Errorf("getting proposal CID: %w", err)
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}
cfg, err := m.getConfig()
if err != nil {
return api.SectorOffset{}, xerrors.Errorf("getting config: %w", err)
}
_, head, err := m.Api.ChainHead(ctx)
if err != nil {
return api.SectorOffset{}, xerrors.Errorf("couldnt get chain head: %w", err)
}
if head+cfg.StartEpochSealingBuffer > deal.DealProposal.StartEpoch {
return api.SectorOffset{}, xerrors.Errorf(
"cannot add piece for deal with piece CID %s: current epoch %d has passed deal proposal start epoch %d",
deal.DealProposal.PieceCID, head, deal.DealProposal.StartEpoch)
}
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m.inputLk.Lock()
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if pp, exist := m.pendingPieces[proposalCID(deal)]; exist {
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m.inputLk.Unlock()
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// we already have a pre-existing add piece call for this deal, let's wait for it to finish and see if it's successful
res, err := waitAddPieceResp(ctx, pp)
if err != nil {
return api.SectorOffset{}, err
}
if res.err == nil {
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// all good, return the response
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return api.SectorOffset{Sector: res.sn, Offset: res.offset.Padded()}, res.err
}
// if there was an error waiting for a pre-existing add piece call, let's retry
m.inputLk.Lock()
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}
// addPendingPiece takes over m.inputLk
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pp := m.addPendingPiece(ctx, size, data, deal, sp)
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res, err := waitAddPieceResp(ctx, pp)
if err != nil {
return api.SectorOffset{}, err
}
return api.SectorOffset{Sector: res.sn, Offset: res.offset.Padded()}, res.err
}
// called with m.inputLk; transfers the lock to another goroutine!
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func (m *Sealing) addPendingPiece(ctx context.Context, size abi.UnpaddedPieceSize, data storage.Data, deal api.PieceDealInfo, sp abi.RegisteredSealProof) *pendingPiece {
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doneCh := make(chan struct{})
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pp := &pendingPiece{
doneCh: doneCh,
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size: size,
deal: deal,
data: data,
assigned: false,
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}
pp.accepted = func(sn abi.SectorNumber, offset abi.UnpaddedPieceSize, err error) {
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pp.resp = &pieceAcceptResp{sn, offset, err}
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close(pp.doneCh)
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}
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m.pendingPieces[proposalCID(deal)] = pp
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go func() {
defer m.inputLk.Unlock()
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if err := m.updateInput(ctx, sp); err != nil {
log.Errorf("%+v", err)
}
}()
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return pp
}
func waitAddPieceResp(ctx context.Context, pp *pendingPiece) (*pieceAcceptResp, error) {
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select {
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case <-pp.doneCh:
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res := pp.resp
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return res, nil
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case <-ctx.Done():
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return nil, ctx.Err()
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}
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}
func (m *Sealing) MatchPendingPiecesToOpenSectors(ctx context.Context) error {
sp, err := m.currentSealProof(ctx)
if err != nil {
return xerrors.Errorf("failed to get current seal proof: %w", err)
}
log.Debug("pieces to sector matching waiting for lock")
m.inputLk.Lock()
defer m.inputLk.Unlock()
return m.updateInput(ctx, sp)
}
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type expFn func(sn abi.SectorNumber) (abi.ChainEpoch, abi.TokenAmount, error)
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// called with m.inputLk
func (m *Sealing) updateInput(ctx context.Context, sp abi.RegisteredSealProof) error {
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memo := make(map[abi.SectorNumber]struct {
e abi.ChainEpoch
p abi.TokenAmount
})
expF := func(sn abi.SectorNumber) (abi.ChainEpoch, abi.TokenAmount, error) {
if e, ok := memo[sn]; ok {
return e.e, e.p, nil
}
onChainInfo, err := m.Api.StateSectorGetInfo(ctx, m.maddr, sn, TipSetToken{})
if err != nil {
return 0, big.Zero(), err
}
memo[sn] = struct {
e abi.ChainEpoch
p abi.TokenAmount
}{e: onChainInfo.Expiration, p: onChainInfo.InitialPledge}
return onChainInfo.Expiration, onChainInfo.InitialPledge, nil
}
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ssize, err := sp.SectorSize()
if err != nil {
return err
}
type match struct {
sector abi.SectorID
deal cid.Cid
size abi.UnpaddedPieceSize
padding abi.UnpaddedPieceSize
}
var matches []match
toAssign := map[cid.Cid]struct{}{} // used to maybe create new sectors
// todo: this is distinctly O(n^2), may need to be optimized for tiny deals and large scale miners
// (unlikely to be a problem now)
for proposalCid, piece := range m.pendingPieces {
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if piece.assigned {
continue // already assigned to a sector, skip
}
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toAssign[proposalCid] = struct{}{}
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for id, sector := range m.openSectors {
avail := abi.PaddedPieceSize(ssize).Unpadded() - sector.used
// check that sector lifetime is long enough to fit deal using latest expiration from on chain
ok, err := sector.dealFitsInLifetime(piece.deal.DealProposal.EndEpoch, expF)
if err != nil {
log.Errorf("failed to check expiration for cc Update sector %d", sector.number)
continue
}
if !ok {
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exp, _, _ := expF(sector.number)
log.Debugf("CC update sector %d cannot fit deal, expiration %d before deal end epoch %d", id, exp, piece.deal.DealProposal.EndEpoch)
continue
}
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if piece.size <= avail { // (note: if we have enough space for the piece, we also have enough space for inter-piece padding)
matches = append(matches, match{
sector: id,
deal: proposalCid,
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size: piece.size,
padding: avail % piece.size,
})
}
}
}
sort.Slice(matches, func(i, j int) bool {
if matches[i].padding != matches[j].padding { // less padding is better
return matches[i].padding < matches[j].padding
}
if matches[i].size != matches[j].size { // larger pieces are better
return matches[i].size < matches[j].size
}
return matches[i].sector.Number < matches[j].sector.Number // prefer older sectors
})
log.Debugw("updateInput matching", "matches", len(matches), "toAssign", len(toAssign), "openSectors", len(m.openSectors), "pieces", len(m.pendingPieces))
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var assigned int
for _, mt := range matches {
if m.pendingPieces[mt.deal].assigned {
assigned++
continue
}
if _, found := m.openSectors[mt.sector]; !found {
continue
}
avail := abi.PaddedPieceSize(ssize).Unpadded() - m.openSectors[mt.sector].used
if mt.size > avail {
continue
}
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err := m.openSectors[mt.sector].maybeAccept(mt.deal)
if err != nil {
m.pendingPieces[mt.deal].accepted(mt.sector.Number, 0, err) // non-error case in handleAddPiece
}
m.openSectors[mt.sector].used += mt.padding + mt.size
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m.pendingPieces[mt.deal].assigned = true
delete(toAssign, mt.deal)
if err != nil {
log.Errorf("sector %d rejected deal %s: %+v", mt.sector, mt.deal, err)
continue
}
}
log.Debugw("updateInput matching done", "matches", len(matches), "toAssign", len(toAssign), "assigned", assigned, "openSectors", len(m.openSectors), "pieces", len(m.pendingPieces))
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if len(toAssign) > 0 {
log.Errorf("we are trying to create a new sector with open sectors %v", m.openSectors)
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if err := m.tryGetDealSector(ctx, sp, expF); err != nil {
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log.Errorw("Failed to create a new sector for deals", "error", err)
}
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}
return nil
}
func (m *Sealing) calcTargetExpiration(ctx context.Context, ssize abi.SectorSize) (minTarget, target abi.ChainEpoch, err error) {
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var candidates []*pendingPiece
for _, piece := range m.pendingPieces {
if piece.assigned {
continue // already assigned to a sector, skip
}
candidates = append(candidates, piece)
}
// earliest expiration first
sort.Slice(candidates, func(i, j int) bool {
return candidates[i].deal.DealProposal.EndEpoch < candidates[j].deal.DealProposal.EndEpoch
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})
var totalBytes uint64
for _, candidate := range candidates {
totalBytes += uint64(candidate.size)
if totalBytes >= uint64(abi.PaddedPieceSize(ssize).Unpadded()) {
return candidates[0].deal.DealProposal.EndEpoch, candidate.deal.DealProposal.EndEpoch, nil
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}
}
_, curEpoch, err := m.Api.ChainHead(ctx)
if err != nil {
return 0, 0, xerrors.Errorf("getting current epoch: %w", err)
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}
minDur, maxDur := policy.DealDurationBounds(0)
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return curEpoch + minDur, curEpoch + maxDur, nil
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}
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func (m *Sealing) maybeUpgradeSector(ctx context.Context, sp abi.RegisteredSealProof, ef expFn) (bool, error) {
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if len(m.available) == 0 {
return false, nil
}
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ssize, err := sp.SectorSize()
if err != nil {
return false, xerrors.Errorf("getting sector size: %w", err)
}
minExpiration, targetExpiration, err := m.calcTargetExpiration(ctx, ssize)
if err != nil {
return false, xerrors.Errorf("calculating min target expiration: %w", err)
}
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var candidate abi.SectorID
var bestExpiration abi.ChainEpoch
bestPledge := types.TotalFilecoinInt
for s := range m.available {
expiration, pledge, err := ef(s.Number)
if err != nil {
log.Errorw("checking sector expiration", "error", err)
continue
}
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slowChecks := func(sid abi.SectorNumber) bool {
active, err := m.sectorActive(ctx, TipSetToken{}, sid)
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if err != nil {
log.Errorw("checking sector active", "error", err)
return false
}
if !active {
log.Debugw("skipping available sector", "reason", "not active")
return false
}
return true
}
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// if best is below target, we want larger expirations
// if best is above target, we want lower pledge, but only if still above target
if bestExpiration < targetExpiration {
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if expiration > bestExpiration && slowChecks(s.Number) {
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bestExpiration = expiration
bestPledge = pledge
candidate = s
}
continue
}
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if expiration >= targetExpiration && pledge.LessThan(bestPledge) && slowChecks(s.Number) {
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bestExpiration = expiration
bestPledge = pledge
candidate = s
}
}
if bestExpiration < minExpiration {
log.Infow("Not upgrading any sectors", "available", len(m.available), "pieces", len(m.pendingPieces), "bestExp", bestExpiration, "target", targetExpiration, "min", minExpiration, "candidate", candidate)
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// didn't find a good sector / no sectors were available
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return false, nil
}
log.Infow("Upgrading sector", "number", candidate.Number, "type", "deal", "proofType", sp, "expiration", bestExpiration, "pledge", types.FIL(bestPledge))
delete(m.available, candidate)
m.nextDealSector = &candidate.Number
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return true, m.sectors.Send(uint64(candidate.Number), SectorStartCCUpdate{})
}
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// call with m.inputLk
func (m *Sealing) createSector(ctx context.Context, cfg sealiface.Config, sp abi.RegisteredSealProof) (abi.SectorNumber, error) {
sid, err := m.sc.Next()
if err != nil {
return 0, xerrors.Errorf("getting sector number: %w", err)
}
err = m.sealer.NewSector(ctx, m.minerSector(sp, sid))
if err != nil {
return 0, xerrors.Errorf("initializing sector: %w", err)
}
// update stats early, fsm planner would do that async
m.stats.updateSector(ctx, cfg, m.minerSectorID(sid), UndefinedSectorState)
return sid, err
}
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func (m *Sealing) tryGetDealSector(ctx context.Context, sp abi.RegisteredSealProof, ef expFn) error {
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m.startupWait.Wait()
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if m.nextDealSector != nil {
return nil // new sector is being created right now
}
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cfg, err := m.getConfig()
if err != nil {
return xerrors.Errorf("getting storage config: %w", err)
}
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// if we're above WaitDeals limit, we don't want to add more staging sectors
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if cfg.MaxWaitDealsSectors > 0 && m.stats.curStaging() >= cfg.MaxWaitDealsSectors {
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return nil
}
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maxUpgrading := cfg.MaxSealingSectorsForDeals
if cfg.MaxUpgradingSectors > 0 {
maxUpgrading = cfg.MaxUpgradingSectors
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}
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canCreate := cfg.MakeNewSectorForDeals && !(cfg.MaxSealingSectorsForDeals > 0 && m.stats.curSealing() >= cfg.MaxSealingSectorsForDeals)
canUpgrade := !(maxUpgrading > 0 && m.stats.curSealing() >= maxUpgrading)
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// we want to try to upgrade when:
// - we can upgrade and prefer upgrades
// - we don't prefer upgrades, but can't create a new sector
shouldUpgrade := canUpgrade && (!cfg.PreferNewSectorsForDeals || !canCreate)
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log.Infow("new deal sector decision",
"sealing", m.stats.curSealing(),
"maxSeal", cfg.MaxSealingSectorsForDeals,
"maxUpgrade", maxUpgrading,
"preferNew", cfg.PreferNewSectorsForDeals,
"canCreate", canCreate,
"canUpgrade", canUpgrade,
"shouldUpgrade", shouldUpgrade)
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if shouldUpgrade {
got, err := m.maybeUpgradeSector(ctx, sp, ef)
if err != nil {
return err
}
if got {
return nil
}
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}
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if canCreate {
sid, err := m.createSector(ctx, cfg, sp)
if err != nil {
return err
}
m.nextDealSector = &sid
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log.Infow("Creating sector", "number", sid, "type", "deal", "proofType", sp)
if err := m.sectors.Send(uint64(sid), SectorStart{
ID: sid,
SectorType: sp,
}); err != nil {
return err
}
}
return nil
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}
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func (m *Sealing) StartPacking(sid abi.SectorNumber) error {
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m.startupWait.Wait()
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log.Infow("starting to seal deal sector", "sector", sid, "trigger", "user")
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return m.sectors.Send(uint64(sid), SectorStartPacking{})
}
func (m *Sealing) AbortUpgrade(sid abi.SectorNumber) error {
m.startupWait.Wait()
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m.inputLk.Lock()
// always do this early
delete(m.available, m.minerSectorID(sid))
m.inputLk.Unlock()
log.Infow("aborting upgrade of sector", "sector", sid, "trigger", "user")
return m.sectors.Send(uint64(sid), SectorAbortUpgrade{xerrors.New("triggered by user")})
}
func proposalCID(deal api.PieceDealInfo) cid.Cid {
pc, err := deal.DealProposal.Cid()
if err != nil {
log.Errorf("DealProposal.Cid error: %+v", err)
return cid.Undef
}
return pc
}