302 lines
7.3 KiB
Go
302 lines
7.3 KiB
Go
package storage
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import (
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"context"
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ffi "github.com/filecoin-project/filecoin-ffi"
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"time"
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"go.opencensus.io/trace"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/lib/sectorbuilder"
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)
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const postMsgTimeout = 20
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func (m *Miner) beginPosting(ctx context.Context) {
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ts, err := m.api.ChainHead(context.TODO())
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if err != nil {
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log.Error(err)
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return
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}
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sppe, err := m.api.StateMinerProvingPeriodEnd(ctx, m.maddr, ts)
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if err != nil {
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log.Errorf("failed to get proving period end for miner (ts h: %d): %s", ts.Height(), err)
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return
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}
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if sppe == 0 {
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log.Warn("Not proving yet")
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return
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}
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m.postLk.Lock()
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if m.schedPost > 0 {
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log.Warnf("PoSts already running %d", m.schedPost)
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m.postLk.Unlock()
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return
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}
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// height needs to be +1, because otherwise we'd be trying to schedule PoSt
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// at current block height
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ppe, _ := actors.ProvingPeriodEnd(sppe, ts.Height()+1)
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m.schedPost = ppe
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m.postLk.Unlock()
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if build.PoStChallangeTime > ppe {
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ppe = build.PoStChallangeTime
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}
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log.Infof("Scheduling post at height %d (begin ts: %d, statePPE: %d)", ppe-build.PoStChallangeTime, ts.Height(), sppe)
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err = m.events.ChainAt(m.computePost(m.schedPost), func(ctx context.Context, ts *types.TipSet) error { // Revert
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// TODO: Cancel post
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log.Errorf("TODO: Cancel PoSt, re-run")
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return nil
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}, PoStConfidence, ppe-build.PoStChallangeTime)
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if err != nil {
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// TODO: This is BAD, figure something out
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log.Errorf("scheduling PoSt failed: %s", err)
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return
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}
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}
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func (m *Miner) scheduleNextPost(ppe uint64) {
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ts, err := m.api.ChainHead(context.TODO())
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if err != nil {
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log.Error(err)
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// TODO: retry
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return
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}
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headPPE, provingPeriod := actors.ProvingPeriodEnd(ppe, ts.Height())
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if headPPE > ppe {
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log.Warnw("PoSt computation running behind chain", "headPPE", headPPE, "ppe", ppe)
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ppe = headPPE
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}
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m.postLk.Lock()
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if m.schedPost >= ppe {
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// this probably can't happen
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log.Errorw("PoSt already scheduled", "schedPost", m.schedPost, "ppe", ppe)
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m.postLk.Unlock()
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return
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}
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m.schedPost = ppe
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m.postLk.Unlock()
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log.Infow("scheduling PoSt", "post-height", ppe-build.PoStChallangeTime,
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"height", ts.Height(), "ppe", ppe, "proving-period", provingPeriod)
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err = m.events.ChainAt(m.computePost(ppe), func(ctx context.Context, ts *types.TipSet) error { // Revert
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// TODO: Cancel post
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log.Errorf("TODO: Cancel PoSt, re-run")
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return nil
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}, PoStConfidence, ppe-build.PoStChallangeTime)
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if err != nil {
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// TODO: This is BAD, figure something out
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log.Errorf("scheduling PoSt failed: %+v", err)
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return
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}
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}
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type post struct {
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m *Miner
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ppe uint64
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ts *types.TipSet
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// prep
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sset []*api.ChainSectorInfo
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r []byte
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// run
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proof []byte
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// commit
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smsg *types.SignedMessage
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}
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func (p *post) doPost(ctx context.Context) error {
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ctx, span := trace.StartSpan(ctx, "storage.computePost")
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defer span.End()
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if err := p.preparePost(ctx); err != nil {
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return xerrors.Errorf("prepare: %w", err)
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}
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if err := p.runPost(ctx); err != nil {
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return xerrors.Errorf("run: %w", err)
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}
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if err := p.commitPost(ctx); err != nil {
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return xerrors.Errorf("commit: %w", err)
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}
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if err := p.waitCommit(ctx); err != nil {
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return xerrors.Errorf("wait: %w", err)
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}
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return nil
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}
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func (p *post) preparePost(ctx context.Context) error {
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ctx, span := trace.StartSpan(ctx, "storage.preparePost")
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defer span.End()
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log.Info("preparePost")
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sset, err := p.m.api.StateMinerProvingSet(ctx, p.m.maddr, p.ts)
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if err != nil {
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return xerrors.Errorf("failed to get proving set for miner (tsH: %d): %w", p.ts.Height(), err)
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}
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if len(sset) == 0 {
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log.Warn("empty proving set! (ts.H: %d)", p.ts.Height())
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}
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p.sset = sset
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challengeRound := int64(p.ppe) - int64(build.PoStChallangeTime+build.PoStRandomnessLookback)
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r, err := p.m.api.ChainGetRandomness(ctx, p.ts.Key(), challengeRound)
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if err != nil {
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return xerrors.Errorf("failed to get chain randomness for post (ts=%d; ppe=%d): %w", p.ts.Height(), p.ppe, err)
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}
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p.r = r
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return nil
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}
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func (p *post) sortedSectorInfo() sectorbuilder.SortedPrivateSectorInfo {
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panic("NYI")
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sbsi := make([]ffi.PrivateSectorInfo, len(p.sset))
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for k, sector := range p.sset {
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var commR [sectorbuilder.CommLen]byte
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copy(commR[:], sector.CommR)
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sbsi[k] = ffi.PrivateSectorInfo{
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SectorID: sector.SectorID,
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CommR: commR,
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}
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}
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return sectorbuilder.NewSortedPrivateSectorInfo(sbsi)
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}
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func (p *post) runPost(ctx context.Context) error {
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ctx, span := trace.StartSpan(ctx, "storage.runPost")
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defer span.End()
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log.Infow("running PoSt", "delayed-by",
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int64(p.ts.Height())-(int64(p.ppe)-int64(build.PoStChallangeTime)),
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"chain-random", p.r, "ppe", p.ppe, "height", p.ts.Height(), "sectors", len(p.sset))
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tsStart := time.Now()
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var faults []uint64 // TODO
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var seed [32]byte
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copy(seed[:], p.r)
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proof, err := p.m.sb.GenerateFallbackPoSt(p.sortedSectorInfo(), seed, faults)
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if err != nil {
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return xerrors.Errorf("running post failed: %w", err)
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}
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elapsed := time.Since(tsStart)
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p.proof = proof
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log.Infow("submitting PoSt", "pLen", len(proof), "elapsed", elapsed)
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return nil
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}
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func (p *post) commitPost(ctx context.Context) (err error) {
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ctx, span := trace.StartSpan(ctx, "storage.commitPost")
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defer span.End()
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panic("NYI")
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/*
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params := &actors.SubmitPoStParams{
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//Proof: p.proof,
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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 xerrors.Errorf("could not serialize submit post parameters: %w", aerr)
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}
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msg := &types.Message{
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To: p.m.maddr,
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From: p.m.worker,
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Method: actors.MAMethods.SubmitPoSt,
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Params: enc,
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Value: types.NewInt(1000), // currently hard-coded late fee in actor, returned if not late
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GasLimit: types.NewInt(1000000), // i dont know help
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GasPrice: types.NewInt(1),
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}
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log.Info("mpush")
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p.smsg, err = p.m.api.MpoolPushMessage(ctx, msg)
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if err != nil {
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return xerrors.Errorf("pushing message to mpool: %w", err)
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}
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*/
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return nil
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}
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func (p *post) waitCommit(ctx context.Context) error {
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ctx, span := trace.StartSpan(ctx, "storage.waitPost")
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defer span.End()
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log.Infof("Waiting for post %s to appear on chain", p.smsg.Cid())
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err := p.m.events.CalledMsg(ctx, func(msg *types.Message, rec *types.MessageReceipt, ts *types.TipSet, curH uint64) (more bool, err error) {
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if rec.ExitCode != 0 {
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log.Warnf("SubmitPoSt EXIT: %d", rec.ExitCode)
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}
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log.Infof("Post made it on chain! (height=%d)", ts.Height())
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return false, nil
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}, func(ctx context.Context, ts *types.TipSet) error {
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log.Warn("post message reverted")
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return nil
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}, 3, postMsgTimeout, p.smsg)
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if err != nil {
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return xerrors.Errorf("waiting for post to appear on chain: %w", err)
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}
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return nil
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}
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func (m *Miner) computePost(ppe uint64) func(ctx context.Context, ts *types.TipSet, curH uint64) error {
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called := 0
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return func(ctx context.Context, ts *types.TipSet, curH uint64) error {
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called++
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if called > 1 {
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log.Errorw("BUG: computePost callback called again", "ppe", ppe,
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"height", ts.Height(), "curH", curH, "called", called-1)
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return nil
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}
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err := (&post{
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m: m,
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ppe: ppe,
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ts: ts,
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}).doPost(ctx)
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m.scheduleNextPost(ppe + build.ProvingPeriodDuration)
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if err != nil {
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return xerrors.Errorf("doPost: %w", err)
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}
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return nil
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}
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}
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