lotus/storage/wdpost_run.go

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package storage
import (
"bytes"
"context"
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"time"
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"github.com/filecoin-project/go-bitfield"
"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/go-state-types/dline"
"github.com/filecoin-project/go-state-types/network"
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"github.com/ipfs/go-cid"
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"go.opencensus.io/trace"
"golang.org/x/xerrors"
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proof2 "github.com/filecoin-project/specs-actors/v2/actors/runtime/proof"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/actors/policy"
"github.com/filecoin-project/lotus/chain/types"
)
func (s *WindowPoStScheduler) failPost(err error, ts *types.TipSet, deadline *dline.Info) {
s.journal.RecordEvent(s.evtTypes[evtTypeWdPoStScheduler], func() interface{} {
c := evtCommon{Error: err}
if ts != nil {
c.Deadline = deadline
c.Height = ts.Height()
c.TipSet = ts.Cids()
}
return WdPoStSchedulerEvt{
evtCommon: c,
State: SchedulerStateFaulted,
}
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})
log.Errorf("Got err %w - TODO handle errors", err)
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/*s.failLk.Lock()
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if eps > s.failed {
s.failed = eps
}
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s.failLk.Unlock()*/
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}
// recordProofsEvent records a successful proofs_processed event in the
// journal, even if it was a noop (no partitions).
func (s *WindowPoStScheduler) recordProofsEvent(partitions []miner.PoStPartition, mcid cid.Cid) {
s.journal.RecordEvent(s.evtTypes[evtTypeWdPoStProofs], func() interface{} {
return &WdPoStProofsProcessedEvt{
evtCommon: s.getEvtCommon(nil),
Partitions: partitions,
MessageCID: mcid,
}
})
}
// startGeneratePoST kicks off the process of generating a PoST
func (s *WindowPoStScheduler) startGeneratePoST(
ctx context.Context,
ts *types.TipSet,
deadline *dline.Info,
completeGeneratePoST CompleteGeneratePoSTCb,
) context.CancelFunc {
ctx, abort := context.WithCancel(ctx)
go func() {
defer abort()
s.journal.RecordEvent(s.evtTypes[evtTypeWdPoStScheduler], func() interface{} {
return WdPoStSchedulerEvt{
evtCommon: s.getEvtCommon(nil),
State: SchedulerStateStarted,
}
})
posts, err := s.runGeneratePoST(ctx, ts, deadline)
completeGeneratePoST(posts, err)
}()
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return abort
}
// runGeneratePoST generates the PoST
func (s *WindowPoStScheduler) runGeneratePoST(
ctx context.Context,
ts *types.TipSet,
deadline *dline.Info,
) ([]miner.SubmitWindowedPoStParams, error) {
ctx, span := trace.StartSpan(ctx, "WindowPoStScheduler.generatePoST")
defer span.End()
posts, err := s.runPost(ctx, *deadline, ts)
if err != nil {
log.Errorf("runPost failed: %+v", err)
return nil, err
}
if len(posts) == 0 {
s.recordProofsEvent(nil, cid.Undef)
}
return posts, nil
}
// startSubmitPoST kicks of the process of submitting PoST
func (s *WindowPoStScheduler) startSubmitPoST(
ctx context.Context,
ts *types.TipSet,
deadline *dline.Info,
posts []miner.SubmitWindowedPoStParams,
completeSubmitPoST CompleteSubmitPoSTCb,
) context.CancelFunc {
ctx, abort := context.WithCancel(ctx)
go func() {
defer abort()
err := s.runSubmitPoST(ctx, ts, deadline, posts)
if err == nil {
s.journal.RecordEvent(s.evtTypes[evtTypeWdPoStScheduler], func() interface{} {
return WdPoStSchedulerEvt{
evtCommon: s.getEvtCommon(nil),
State: SchedulerStateSucceeded,
}
})
}
completeSubmitPoST(err)
}()
return abort
}
// runSubmitPoST submits PoST
func (s *WindowPoStScheduler) runSubmitPoST(
ctx context.Context,
ts *types.TipSet,
deadline *dline.Info,
posts []miner.SubmitWindowedPoStParams,
) error {
if len(posts) == 0 {
return nil
}
ctx, span := trace.StartSpan(ctx, "WindowPoStScheduler.submitPoST")
defer span.End()
// Get randomness from tickets
// use the challenge epoch if we've upgraded to network version 4
// (actors version 2). We want to go back as far as possible to be safe.
commEpoch := deadline.Open
if ver, err := s.api.StateNetworkVersion(ctx, types.EmptyTSK); err != nil {
log.Errorw("failed to get network version to determine PoSt epoch randomness lookback", "error", err)
} else if ver >= network.Version4 {
commEpoch = deadline.Challenge
}
commRand, err := s.api.ChainGetRandomnessFromTickets(ctx, ts.Key(), crypto.DomainSeparationTag_PoStChainCommit, commEpoch, nil)
if err != nil {
err = xerrors.Errorf("failed to get chain randomness from tickets for windowPost (ts=%d; deadline=%d): %w", ts.Height(), commEpoch, err)
log.Errorf("submitPost failed: %+v", err)
return err
}
var submitErr error
for i := range posts {
// Add randomness to PoST
post := &posts[i]
post.ChainCommitEpoch = commEpoch
post.ChainCommitRand = commRand
// Submit PoST
sm, submitErr := s.submitPost(ctx, post)
if submitErr != nil {
log.Errorf("submit window post failed: %+v", submitErr)
} else {
s.recordProofsEvent(post.Partitions, sm.Cid())
}
}
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return submitErr
}
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func (s *WindowPoStScheduler) checkSectors(ctx context.Context, check bitfield.BitField) (bitfield.BitField, error) {
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mid, err := address.IDFromAddress(s.actor)
if err != nil {
return bitfield.BitField{}, err
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}
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sectors := make(map[abi.SectorID]struct{})
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var tocheck []abi.SectorID
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err = check.ForEach(func(snum uint64) error {
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s := abi.SectorID{
Miner: abi.ActorID(mid),
Number: abi.SectorNumber(snum),
}
tocheck = append(tocheck, s)
sectors[s] = struct{}{}
return nil
})
if err != nil {
return bitfield.BitField{}, xerrors.Errorf("iterating over bitfield: %w", err)
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}
bad, err := s.faultTracker.CheckProvable(ctx, s.proofType, tocheck)
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if err != nil {
return bitfield.BitField{}, xerrors.Errorf("checking provable sectors: %w", err)
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}
for _, id := range bad {
delete(sectors, id)
}
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log.Warnw("Checked sectors", "checked", len(tocheck), "good", len(sectors))
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sbf := bitfield.New()
for s := range sectors {
sbf.Set(uint64(s.Number))
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}
return sbf, nil
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}
func (s *WindowPoStScheduler) checkNextRecoveries(ctx context.Context, dlIdx uint64, partitions []api.Partition) ([]miner.RecoveryDeclaration, *types.SignedMessage, error) {
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ctx, span := trace.StartSpan(ctx, "storage.checkNextRecoveries")
defer span.End()
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faulty := uint64(0)
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params := &miner.DeclareFaultsRecoveredParams{
Recoveries: []miner.RecoveryDeclaration{},
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}
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for partIdx, partition := range partitions {
unrecovered, err := bitfield.SubtractBitField(partition.FaultySectors, partition.RecoveringSectors)
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if err != nil {
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return nil, nil, xerrors.Errorf("subtracting recovered set from fault set: %w", err)
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}
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uc, err := unrecovered.Count()
if err != nil {
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return nil, nil, xerrors.Errorf("counting unrecovered sectors: %w", err)
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}
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if uc == 0 {
continue
}
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faulty += uc
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recovered, err := s.checkSectors(ctx, unrecovered)
if err != nil {
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return nil, nil, xerrors.Errorf("checking unrecovered sectors: %w", err)
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}
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// if all sectors failed to recover, don't declare recoveries
recoveredCount, err := recovered.Count()
if err != nil {
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return nil, nil, xerrors.Errorf("counting recovered sectors: %w", err)
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}
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if recoveredCount == 0 {
continue
}
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params.Recoveries = append(params.Recoveries, miner.RecoveryDeclaration{
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Deadline: dlIdx,
Partition: uint64(partIdx),
Sectors: recovered,
})
}
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recoveries := params.Recoveries
if len(recoveries) == 0 {
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if faulty != 0 {
log.Warnw("No recoveries to declare", "deadline", dlIdx, "faulty", faulty)
}
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return recoveries, nil, nil
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}
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enc, aerr := actors.SerializeParams(params)
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if aerr != nil {
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return recoveries, nil, xerrors.Errorf("could not serialize declare recoveries parameters: %w", aerr)
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}
msg := &types.Message{
To: s.actor,
Method: miner.Methods.DeclareFaultsRecovered,
Params: enc,
Value: types.NewInt(0),
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}
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spec := &api.MessageSendSpec{MaxFee: abi.TokenAmount(s.feeCfg.MaxWindowPoStGasFee)}
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if err := s.setSender(ctx, msg, spec); err != nil {
return recoveries, nil, err
}
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sm, err := s.api.MpoolPushMessage(ctx, msg, &api.MessageSendSpec{MaxFee: abi.TokenAmount(s.feeCfg.MaxWindowPoStGasFee)})
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if err != nil {
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return recoveries, sm, xerrors.Errorf("pushing message to mpool: %w", err)
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}
log.Warnw("declare faults recovered Message CID", "cid", sm.Cid())
rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid(), build.MessageConfidence)
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if err != nil {
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return recoveries, sm, xerrors.Errorf("declare faults recovered wait error: %w", err)
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}
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if rec.Receipt.ExitCode != 0 {
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return recoveries, sm, xerrors.Errorf("declare faults recovered wait non-0 exit code: %d", rec.Receipt.ExitCode)
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}
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return recoveries, sm, nil
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}
func (s *WindowPoStScheduler) checkNextFaults(ctx context.Context, dlIdx uint64, partitions []api.Partition) ([]miner.FaultDeclaration, *types.SignedMessage, error) {
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ctx, span := trace.StartSpan(ctx, "storage.checkNextFaults")
defer span.End()
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bad := uint64(0)
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params := &miner.DeclareFaultsParams{
Faults: []miner.FaultDeclaration{},
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}
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for partIdx, partition := range partitions {
nonFaulty, err := bitfield.SubtractBitField(partition.LiveSectors, partition.FaultySectors)
if err != nil {
return nil, nil, xerrors.Errorf("determining non faulty sectors: %w", err)
}
good, err := s.checkSectors(ctx, nonFaulty)
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if err != nil {
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return nil, nil, xerrors.Errorf("checking sectors: %w", err)
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}
newFaulty, err := bitfield.SubtractBitField(nonFaulty, good)
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if err != nil {
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return nil, nil, xerrors.Errorf("calculating faulty sector set: %w", err)
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}
c, err := newFaulty.Count()
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if err != nil {
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return nil, nil, xerrors.Errorf("counting faulty sectors: %w", err)
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}
if c == 0 {
continue
}
bad += c
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params.Faults = append(params.Faults, miner.FaultDeclaration{
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Deadline: dlIdx,
Partition: uint64(partIdx),
Sectors: newFaulty,
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})
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}
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faults := params.Faults
if len(faults) == 0 {
return faults, nil, nil
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}
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log.Errorw("DETECTED FAULTY SECTORS, declaring faults", "count", bad)
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enc, aerr := actors.SerializeParams(params)
if aerr != nil {
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return faults, nil, xerrors.Errorf("could not serialize declare faults parameters: %w", aerr)
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}
msg := &types.Message{
To: s.actor,
Method: miner.Methods.DeclareFaults,
Params: enc,
Value: types.NewInt(0), // TODO: Is there a fee?
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}
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spec := &api.MessageSendSpec{MaxFee: abi.TokenAmount(s.feeCfg.MaxWindowPoStGasFee)}
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if err := s.setSender(ctx, msg, spec); err != nil {
return faults, nil, err
}
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sm, err := s.api.MpoolPushMessage(ctx, msg, spec)
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if err != nil {
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return faults, sm, xerrors.Errorf("pushing message to mpool: %w", err)
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}
log.Warnw("declare faults Message CID", "cid", sm.Cid())
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rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid(), build.MessageConfidence)
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if err != nil {
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return faults, sm, xerrors.Errorf("declare faults wait error: %w", err)
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}
if rec.Receipt.ExitCode != 0 {
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return faults, sm, xerrors.Errorf("declare faults wait non-0 exit code: %d", rec.Receipt.ExitCode)
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}
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return faults, sm, nil
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}
func (s *WindowPoStScheduler) runPost(ctx context.Context, di dline.Info, ts *types.TipSet) ([]miner.SubmitWindowedPoStParams, error) {
ctx, span := trace.StartSpan(ctx, "storage.runPost")
defer span.End()
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go func() {
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// TODO: extract from runPost, run on fault cutoff boundaries
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// check faults / recoveries for the *next* deadline. It's already too
// late to declare them for this deadline
declDeadline := (di.Index + 2) % di.WPoStPeriodDeadlines
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partitions, err := s.api.StateMinerPartitions(context.TODO(), s.actor, declDeadline, ts.Key())
if err != nil {
log.Errorf("getting partitions: %v", err)
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return
}
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var (
sigmsg *types.SignedMessage
recoveries []miner.RecoveryDeclaration
faults []miner.FaultDeclaration
// optionalCid returns the CID of the message, or cid.Undef is the
// message is nil. We don't need the argument (could capture the
// pointer), but it's clearer and purer like that.
optionalCid = func(sigmsg *types.SignedMessage) cid.Cid {
if sigmsg == nil {
return cid.Undef
}
return sigmsg.Cid()
}
)
if recoveries, sigmsg, err = s.checkNextRecoveries(context.TODO(), declDeadline, partitions); err != nil {
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// TODO: This is potentially quite bad, but not even trying to post when this fails is objectively worse
log.Errorf("checking sector recoveries: %v", err)
}
s.journal.RecordEvent(s.evtTypes[evtTypeWdPoStRecoveries], func() interface{} {
j := WdPoStRecoveriesProcessedEvt{
evtCommon: s.getEvtCommon(err),
Declarations: recoveries,
MessageCID: optionalCid(sigmsg),
}
j.Error = err
return j
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})
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if ts.Height() > build.UpgradeIgnitionHeight {
return // FORK: declaring faults after ignition upgrade makes no sense
}
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if faults, sigmsg, err = s.checkNextFaults(context.TODO(), declDeadline, partitions); err != nil {
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// TODO: This is also potentially really bad, but we try to post anyways
log.Errorf("checking sector faults: %v", err)
}
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s.journal.RecordEvent(s.evtTypes[evtTypeWdPoStFaults], func() interface{} {
return WdPoStFaultsProcessedEvt{
evtCommon: s.getEvtCommon(err),
Declarations: faults,
MessageCID: optionalCid(sigmsg),
}
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})
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}()
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buf := new(bytes.Buffer)
if err := s.actor.MarshalCBOR(buf); err != nil {
return nil, xerrors.Errorf("failed to marshal address to cbor: %w", err)
}
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rand, err := s.api.ChainGetRandomnessFromBeacon(ctx, ts.Key(), crypto.DomainSeparationTag_WindowedPoStChallengeSeed, di.Challenge, buf.Bytes())
if err != nil {
return nil, xerrors.Errorf("failed to get chain randomness from beacon for window post (ts=%d; deadline=%d): %w", ts.Height(), di, err)
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}
// Get the partitions for the given deadline
partitions, err := s.api.StateMinerPartitions(ctx, s.actor, di.Index, ts.Key())
if err != nil {
return nil, xerrors.Errorf("getting partitions: %w", err)
}
// Split partitions into batches, so as not to exceed the number of sectors
// allowed in a single message
partitionBatches, err := s.batchPartitions(partitions)
if err != nil {
return nil, err
}
// Generate proofs in batches
posts := make([]miner.SubmitWindowedPoStParams, 0, len(partitionBatches))
for batchIdx, batch := range partitionBatches {
batchPartitionStartIdx := 0
for _, batch := range partitionBatches[:batchIdx] {
batchPartitionStartIdx += len(batch)
}
params := miner.SubmitWindowedPoStParams{
Deadline: di.Index,
Partitions: make([]miner.PoStPartition, 0, len(batch)),
Proofs: nil,
}
skipCount := uint64(0)
postSkipped := bitfield.New()
somethingToProve := false
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// Retry until we run out of sectors to prove.
for retries := 0; ; retries++ {
var partitions []miner.PoStPartition
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var sinfos []proof2.SectorInfo
for partIdx, partition := range batch {
// TODO: Can do this in parallel
toProve, err := bitfield.SubtractBitField(partition.LiveSectors, partition.FaultySectors)
if err != nil {
return nil, xerrors.Errorf("removing faults from set of sectors to prove: %w", err)
}
toProve, err = bitfield.MergeBitFields(toProve, partition.RecoveringSectors)
if err != nil {
return nil, xerrors.Errorf("adding recoveries to set of sectors to prove: %w", err)
}
good, err := s.checkSectors(ctx, toProve)
if err != nil {
return nil, xerrors.Errorf("checking sectors to skip: %w", err)
}
good, err = bitfield.SubtractBitField(good, postSkipped)
if err != nil {
return nil, xerrors.Errorf("toProve - postSkipped: %w", err)
}
skipped, err := bitfield.SubtractBitField(toProve, good)
if err != nil {
return nil, xerrors.Errorf("toProve - good: %w", err)
}
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sc, err := skipped.Count()
if err != nil {
return nil, xerrors.Errorf("getting skipped sector count: %w", err)
}
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skipCount += sc
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ssi, err := s.sectorsForProof(ctx, good, partition.AllSectors, ts)
if err != nil {
return nil, xerrors.Errorf("getting sorted sector info: %w", err)
}
if len(ssi) == 0 {
continue
}
sinfos = append(sinfos, ssi...)
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partitions = append(partitions, miner.PoStPartition{
Index: uint64(batchPartitionStartIdx + partIdx),
Skipped: skipped,
})
}
if len(sinfos) == 0 {
// nothing to prove for this batch
break
}
// Generate proof
log.Infow("running window post",
"chain-random", rand,
"deadline", di,
"height", ts.Height(),
"skipped", skipCount)
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tsStart := build.Clock.Now()
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mid, err := address.IDFromAddress(s.actor)
if err != nil {
return nil, err
}
postOut, ps, err := s.prover.GenerateWindowPoSt(ctx, abi.ActorID(mid), sinfos, abi.PoStRandomness(rand))
elapsed := time.Since(tsStart)
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log.Infow("computing window post", "batch", batchIdx, "elapsed", elapsed)
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if err == nil {
if len(postOut) == 0 {
return nil, xerrors.Errorf("received no proofs back from generate window post")
}
// Proof generation successful, stop retrying
somethingToProve = true
params.Partitions = partitions
params.Proofs = postOut
break
}
// Proof generation failed, so retry
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if len(ps) == 0 {
// If we didn't skip any new sectors, we failed
// for some other reason and we need to abort.
return nil, xerrors.Errorf("running window post failed: %w", err)
}
// TODO: maybe mark these as faulty somewhere?
log.Warnw("generate window post skipped sectors", "sectors", ps, "error", err, "try", retries)
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// Explicitly make sure we haven't aborted this PoSt
// (GenerateWindowPoSt may or may not check this).
// Otherwise, we could try to continue proving a
// deadline after the deadline has ended.
if ctx.Err() != nil {
log.Warnw("aborting PoSt due to context cancellation", "error", ctx.Err(), "deadline", di.Index)
return nil, ctx.Err()
}
skipCount += uint64(len(ps))
for _, sector := range ps {
postSkipped.Set(uint64(sector.Number))
}
}
// Nothing to prove for this batch, try the next batch
if !somethingToProve {
continue
}
posts = append(posts, params)
}
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return posts, nil
}
func (s *WindowPoStScheduler) batchPartitions(partitions []api.Partition) ([][]api.Partition, error) {
// We don't want to exceed the number of sectors allowed in a message.
// So given the number of sectors in a partition, work out the number of
// partitions that can be in a message without exceeding sectors per
// message:
// floor(number of sectors allowed in a message / sectors per partition)
// eg:
// max sectors per message 7: ooooooo
// sectors per partition 3: ooo
// partitions per message 2: oooOOO
// <1><2> (3rd doesn't fit)
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partitionsPerMsg, err := policy.GetMaxPoStPartitions(s.proofType)
if err != nil {
return nil, xerrors.Errorf("getting sectors per partition: %w", err)
}
// The number of messages will be:
// ceiling(number of partitions / partitions per message)
batchCount := len(partitions) / partitionsPerMsg
if len(partitions)%partitionsPerMsg != 0 {
batchCount++
}
// Split the partitions into batches
batches := make([][]api.Partition, 0, batchCount)
for i := 0; i < len(partitions); i += partitionsPerMsg {
end := i + partitionsPerMsg
if end > len(partitions) {
end = len(partitions)
}
batches = append(batches, partitions[i:end])
}
return batches, nil
}
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func (s *WindowPoStScheduler) sectorsForProof(ctx context.Context, goodSectors, allSectors bitfield.BitField, ts *types.TipSet) ([]proof2.SectorInfo, error) {
sset, err := s.api.StateMinerSectors(ctx, s.actor, &goodSectors, ts.Key())
if err != nil {
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return nil, err
}
if len(sset) == 0 {
return nil, nil
}
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substitute := proof2.SectorInfo{
SectorNumber: sset[0].SectorNumber,
SealedCID: sset[0].SealedCID,
SealProof: sset[0].SealProof,
}
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sectorByID := make(map[uint64]proof2.SectorInfo, len(sset))
for _, sector := range sset {
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sectorByID[uint64(sector.SectorNumber)] = proof2.SectorInfo{
SectorNumber: sector.SectorNumber,
SealedCID: sector.SealedCID,
SealProof: sector.SealProof,
}
}
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proofSectors := make([]proof2.SectorInfo, 0, len(sset))
if err := allSectors.ForEach(func(sectorNo uint64) error {
if info, found := sectorByID[sectorNo]; found {
proofSectors = append(proofSectors, info)
} else {
proofSectors = append(proofSectors, substitute)
}
return nil
}); err != nil {
return nil, xerrors.Errorf("iterating partition sector bitmap: %w", err)
}
return proofSectors, nil
}
func (s *WindowPoStScheduler) submitPost(ctx context.Context, proof *miner.SubmitWindowedPoStParams) (*types.SignedMessage, error) {
ctx, span := trace.StartSpan(ctx, "storage.commitPost")
defer span.End()
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var sm *types.SignedMessage
enc, aerr := actors.SerializeParams(proof)
if aerr != nil {
return nil, xerrors.Errorf("could not serialize submit window post parameters: %w", aerr)
}
msg := &types.Message{
To: s.actor,
Method: miner.Methods.SubmitWindowedPoSt,
Params: enc,
Value: types.NewInt(0),
}
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spec := &api.MessageSendSpec{MaxFee: abi.TokenAmount(s.feeCfg.MaxWindowPoStGasFee)}
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if err := s.setSender(ctx, msg, spec); err != nil {
return nil, err
}
// TODO: consider maybe caring about the output
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sm, err := s.api.MpoolPushMessage(ctx, msg, spec)
if err != nil {
return nil, xerrors.Errorf("pushing message to mpool: %w", err)
}
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log.Infof("Submitted window post: %s", sm.Cid())
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go func() {
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rec, err := s.api.StateWaitMsg(context.TODO(), sm.Cid(), build.MessageConfidence)
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if err != nil {
log.Error(err)
return
}
if rec.Receipt.ExitCode == 0 {
return
}
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log.Errorf("Submitting window post %s failed: exit %d", sm.Cid(), rec.Receipt.ExitCode)
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}()
return sm, nil
}
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func (s *WindowPoStScheduler) setSender(ctx context.Context, msg *types.Message, spec *api.MessageSendSpec) error {
mi, err := s.api.StateMinerInfo(ctx, s.actor, types.EmptyTSK)
if err != nil {
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return xerrors.Errorf("error getting miner info: %w", err)
}
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// use the worker as a fallback
msg.From = mi.Worker
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gm, err := s.api.GasEstimateMessageGas(ctx, msg, spec, types.EmptyTSK)
if err != nil {
log.Errorw("estimating gas", "error", err)
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return nil
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}
*msg = *gm
minFunds := big.Add(msg.RequiredFunds(), msg.Value)
pa, err := AddressFor(ctx, s.api, mi, PoStAddr, minFunds)
if err != nil {
log.Errorw("error selecting address for window post", "error", err)
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return nil
}
msg.From = pa
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return nil
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}