279 lines
8.3 KiB
Go
279 lines
8.3 KiB
Go
package sealing
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import (
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"bytes"
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"context"
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"net/url"
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"github.com/ipfs/go-cid"
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"github.com/ipfs/go-datastore"
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"github.com/multiformats/go-multihash"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/crypto"
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"github.com/filecoin-project/go-state-types/proof"
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"github.com/filecoin-project/go-statemachine"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/storage/sealer/storiface"
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)
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func (m *Sealing) Receive(ctx context.Context, meta api.RemoteSectorMeta) error {
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m.inputLk.Lock()
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defer m.inputLk.Unlock()
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si, err := m.checkSectorMeta(ctx, meta)
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if err != nil {
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return err
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}
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exists, err := m.sectors.Has(uint64(meta.Sector.Number))
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if err != nil {
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return xerrors.Errorf("checking if sector exists: %w", err)
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}
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if exists {
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return xerrors.Errorf("sector %d state already exists", meta.Sector.Number)
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}
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err = m.sectors.Send(uint64(meta.Sector.Number), SectorReceive{
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State: si,
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})
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if err != nil {
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return xerrors.Errorf("receiving sector: %w", err)
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}
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return nil
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}
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func (m *Sealing) checkSectorMeta(ctx context.Context, meta api.RemoteSectorMeta) (SectorInfo, error) {
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{
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mid, err := address.IDFromAddress(m.maddr)
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if err != nil {
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panic(err)
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}
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if meta.Sector.Miner != abi.ActorID(mid) {
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return SectorInfo{}, xerrors.Errorf("sector for wrong actor - expected actor id %d, sector was for actor %d", mid, meta.Sector.Miner)
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}
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}
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{
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// initial sanity check, doesn't prevent races
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_, err := m.GetSectorInfo(meta.Sector.Number)
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if err != nil && !xerrors.Is(err, datastore.ErrNotFound) {
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return SectorInfo{}, err
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}
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if err == nil {
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return SectorInfo{}, xerrors.Errorf("sector with ID %d already exists in the sealing pipeline", meta.Sector.Number)
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}
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}
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{
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spt, err := m.currentSealProof(ctx)
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if err != nil {
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return SectorInfo{}, err
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}
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if meta.Type != spt {
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return SectorInfo{}, xerrors.Errorf("sector seal proof type doesn't match current seal proof type (%d!=%d)", meta.Type, spt)
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}
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}
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ts, err := m.Api.ChainHead(ctx)
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if err != nil {
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return SectorInfo{}, xerrors.Errorf("getting chain head: %w", err)
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}
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var info SectorInfo
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var validatePoRep bool
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switch SectorState(meta.State) {
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case Proving, Available:
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// todo possibly check
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info.CommitMessage = meta.CommitMessage
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fallthrough
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case SubmitCommit:
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if meta.PreCommitDeposit == nil {
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return SectorInfo{}, xerrors.Errorf("sector PreCommitDeposit was null")
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}
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info.PreCommitInfo = meta.PreCommitInfo
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info.PreCommitDeposit = *meta.PreCommitDeposit
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info.PreCommitMessage = meta.PreCommitMessage
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info.PreCommitTipSet = meta.PreCommitTipSet
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// check provided seed
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if len(meta.SeedValue) != abi.RandomnessLength {
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return SectorInfo{}, xerrors.Errorf("seed randomness had wrong length %d", len(meta.SeedValue))
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}
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maddrBuf := new(bytes.Buffer)
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if err := m.maddr.MarshalCBOR(maddrBuf); err != nil {
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return SectorInfo{}, xerrors.Errorf("marshal miner address for seed check: %w", err)
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}
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rand, err := m.Api.StateGetRandomnessFromTickets(ctx, crypto.DomainSeparationTag_InteractiveSealChallengeSeed, meta.SeedEpoch, maddrBuf.Bytes(), ts.Key())
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if err != nil {
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return SectorInfo{}, xerrors.Errorf("generating check seed: %w", err)
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}
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if !bytes.Equal(rand, meta.SeedValue) {
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return SectorInfo{}, xerrors.Errorf("provided(%x) and generated(%x) seeds differ", meta.SeedValue, rand)
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}
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info.SeedValue = meta.SeedValue
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info.SeedEpoch = meta.SeedEpoch
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info.Proof = meta.CommitProof
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validatePoRep = true
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fallthrough
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case PreCommitting:
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// check provided ticket
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if len(meta.TicketValue) != abi.RandomnessLength {
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return SectorInfo{}, xerrors.Errorf("ticket randomness had wrong length %d", len(meta.TicketValue))
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}
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maddrBuf := new(bytes.Buffer)
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if err := m.maddr.MarshalCBOR(maddrBuf); err != nil {
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return SectorInfo{}, xerrors.Errorf("marshal miner address for ticket check: %w", err)
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}
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rand, err := m.Api.StateGetRandomnessFromTickets(ctx, crypto.DomainSeparationTag_SealRandomness, meta.TicketEpoch, maddrBuf.Bytes(), ts.Key())
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if err != nil {
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return SectorInfo{}, xerrors.Errorf("generating check ticket: %w", err)
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}
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if !bytes.Equal(rand, meta.TicketValue) {
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return SectorInfo{}, xerrors.Errorf("provided(%x) and generated(%x) tickets differ", meta.TicketValue, rand)
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}
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info.TicketValue = meta.TicketValue
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info.TicketEpoch = meta.TicketEpoch
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info.PreCommit1Out = meta.PreCommit1Out
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// check CommD/R
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if meta.CommD == nil || meta.CommR == nil {
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return SectorInfo{}, xerrors.Errorf("both CommR/CommD cids need to be set for sectors in PreCommitting and later states")
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}
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dp := meta.CommD.Prefix()
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if dp.Version != 1 || dp.Codec != cid.FilCommitmentUnsealed || dp.MhType != multihash.SHA2_256_TRUNC254_PADDED || dp.MhLength != 32 {
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return SectorInfo{}, xerrors.Errorf("CommD cid has wrong prefix")
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}
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rp := meta.CommR.Prefix()
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if rp.Version != 1 || rp.Codec != cid.FilCommitmentSealed || rp.MhType != multihash.POSEIDON_BLS12_381_A1_FC1 || rp.MhLength != 32 {
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return SectorInfo{}, xerrors.Errorf("CommR cid has wrong prefix")
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}
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info.CommD = meta.CommD
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info.CommR = meta.CommR
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if meta.DataSealed == nil {
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return SectorInfo{}, xerrors.Errorf("expected DataSealed to be set")
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}
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if meta.DataCache == nil {
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return SectorInfo{}, xerrors.Errorf("expected DataCache to be set")
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}
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info.RemoteDataSealed = meta.DataSealed // todo make head requests to check?
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info.RemoteDataCache = meta.DataCache
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if meta.RemoteCommit1Endpoint != "" {
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// validate the url
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if _, err := url.Parse(meta.RemoteCommit1Endpoint); err != nil {
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return SectorInfo{}, xerrors.Errorf("parsing remote c1 endpoint url: %w", err)
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}
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info.RemoteCommit1Endpoint = meta.RemoteCommit1Endpoint
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}
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if meta.RemoteCommit2Endpoint != "" {
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// validate the url
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if _, err := url.Parse(meta.RemoteCommit2Endpoint); err != nil {
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return SectorInfo{}, xerrors.Errorf("parsing remote c2 endpoint url: %w", err)
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}
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info.RemoteCommit2Endpoint = meta.RemoteCommit2Endpoint
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}
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// If we get a sector after PC2, and remote C1 endpoint is set, assume that we're getting finalized sector data
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if info.RemoteCommit1Endpoint != "" {
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info.RemoteDataFinalized = true
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}
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fallthrough
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case GetTicket, Packing:
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info.Return = ReturnState(meta.State)
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info.State = ReceiveSector
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info.SectorNumber = meta.Sector.Number
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info.Pieces = meta.Pieces
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info.SectorType = meta.Type
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if err := checkPieces(ctx, m.maddr, meta.Sector.Number, meta.Pieces, m.Api, false); err != nil {
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return SectorInfo{}, xerrors.Errorf("checking pieces: %w", err)
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}
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if meta.DataUnsealed == nil {
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return SectorInfo{}, xerrors.Errorf("expected DataUnsealed to be set")
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}
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info.RemoteDataUnsealed = meta.DataUnsealed
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// some late checks which require previous checks
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if validatePoRep {
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ok, err := m.verif.VerifySeal(proof.SealVerifyInfo{
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SealProof: meta.Type,
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SectorID: meta.Sector,
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DealIDs: nil,
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Randomness: meta.TicketValue,
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InteractiveRandomness: meta.SeedValue,
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Proof: meta.CommitProof,
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SealedCID: *meta.CommR,
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UnsealedCID: *meta.CommD,
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})
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if err != nil {
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return SectorInfo{}, xerrors.Errorf("validating seal proof: %w", err)
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}
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if !ok {
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return SectorInfo{}, xerrors.Errorf("seal proof invalid")
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}
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}
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return info, nil
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default:
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return SectorInfo{}, xerrors.Errorf("imported sector State in not supported")
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}
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}
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func (m *Sealing) handleReceiveSector(ctx statemachine.Context, sector SectorInfo) error {
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toFetch := map[storiface.SectorFileType]storiface.SectorData{}
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for fileType, data := range map[storiface.SectorFileType]*storiface.SectorData{
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storiface.FTUnsealed: sector.RemoteDataUnsealed,
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storiface.FTSealed: sector.RemoteDataSealed,
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storiface.FTCache: sector.RemoteDataCache,
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} {
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if data == nil {
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continue
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}
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if data.Local {
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// todo check exists
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continue
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}
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toFetch[fileType] = *data
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}
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if len(toFetch) > 0 {
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if err := m.sealer.DownloadSectorData(ctx.Context(), m.minerSector(sector.SectorType, sector.SectorNumber), sector.RemoteDataFinalized, toFetch); err != nil {
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return xerrors.Errorf("downloading sector data: %w", err) // todo send err event
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}
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}
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// todo data checks?
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return ctx.Send(SectorReceived{})
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}
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