lotus/extern/sector-storage/ffiwrapper/verifier_cgo.go

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//+build cgo
package ffiwrapper
import (
"context"
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"go.opencensus.io/trace"
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"golang.org/x/xerrors"
ffi "github.com/filecoin-project/filecoin-ffi"
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"github.com/filecoin-project/go-state-types/abi"
proof2 "github.com/filecoin-project/specs-actors/v2/actors/runtime/proof"
"github.com/filecoin-project/specs-storage/storage"
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"github.com/filecoin-project/lotus/extern/sector-storage/storiface"
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)
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func (sb *Sealer) GenerateWinningPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof2.SectorInfo, randomness abi.PoStRandomness) ([]proof2.PoStProof, error) {
randomness[31] &= 0x3f
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privsectors, skipped, done, err := sb.pubSectorToPriv(ctx, minerID, sectorInfo, nil, abi.RegisteredSealProof.RegisteredWinningPoStProof) // TODO: FAULTS?
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if err != nil {
return nil, err
}
defer done()
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if len(skipped) > 0 {
return nil, xerrors.Errorf("pubSectorToPriv skipped sectors: %+v", skipped)
}
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return ffi.GenerateWinningPoSt(minerID, privsectors, randomness)
}
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func (sb *Sealer) GenerateWindowPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof2.SectorInfo, randomness abi.PoStRandomness) ([]proof2.PoStProof, []abi.SectorID, error) {
randomness[31] &= 0x3f
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privsectors, skipped, done, err := sb.pubSectorToPriv(ctx, minerID, sectorInfo, nil, abi.RegisteredSealProof.RegisteredWindowPoStProof)
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if err != nil {
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return nil, nil, xerrors.Errorf("gathering sector info: %w", err)
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}
defer done()
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if len(skipped) > 0 {
return nil, skipped, xerrors.Errorf("pubSectorToPriv skipped some sectors")
}
proof, faulty, err := ffi.GenerateWindowPoSt(minerID, privsectors, randomness)
var faultyIDs []abi.SectorID
for _, f := range faulty {
faultyIDs = append(faultyIDs, abi.SectorID{
Miner: minerID,
Number: f,
})
}
return proof, faultyIDs, err
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}
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func (sb *Sealer) pubSectorToPriv(ctx context.Context, mid abi.ActorID, sectorInfo []proof2.SectorInfo, faults []abi.SectorNumber, rpt func(abi.RegisteredSealProof) (abi.RegisteredPoStProof, error)) (ffi.SortedPrivateSectorInfo, []abi.SectorID, func(), error) {
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fmap := map[abi.SectorNumber]struct{}{}
for _, fault := range faults {
fmap[fault] = struct{}{}
}
var doneFuncs []func()
done := func() {
for _, df := range doneFuncs {
df()
}
}
var skipped []abi.SectorID
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var out []ffi.PrivateSectorInfo
for _, s := range sectorInfo {
if _, faulty := fmap[s.SectorNumber]; faulty {
continue
}
sid := storage.SectorRef{
ID: abi.SectorID{Miner: mid, Number: s.SectorNumber},
ProofType: s.SealProof,
}
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paths, d, err := sb.sectors.AcquireSector(ctx, sid, storiface.FTCache|storiface.FTSealed, 0, storiface.PathStorage)
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if err != nil {
log.Warnw("failed to acquire sector, skipping", "sector", sid.ID, "error", err)
skipped = append(skipped, sid.ID)
continue
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}
doneFuncs = append(doneFuncs, d)
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postProofType, err := rpt(s.SealProof)
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if err != nil {
done()
return ffi.SortedPrivateSectorInfo{}, nil, nil, xerrors.Errorf("acquiring registered PoSt proof from sector info %+v: %w", s, err)
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}
out = append(out, ffi.PrivateSectorInfo{
CacheDirPath: paths.Cache,
PoStProofType: postProofType,
SealedSectorPath: paths.Sealed,
SectorInfo: s,
})
}
return ffi.NewSortedPrivateSectorInfo(out...), skipped, done, nil
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}
var _ Verifier = ProofVerifier
type proofVerifier struct{}
var ProofVerifier = proofVerifier{}
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func (proofVerifier) VerifySeal(info proof2.SealVerifyInfo) (bool, error) {
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return ffi.VerifySeal(info)
}
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func (proofVerifier) VerifyWinningPoSt(ctx context.Context, info proof2.WinningPoStVerifyInfo) (bool, error) {
info.Randomness[31] &= 0x3f
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_, span := trace.StartSpan(ctx, "VerifyWinningPoSt")
defer span.End()
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return ffi.VerifyWinningPoSt(info)
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}
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func (proofVerifier) VerifyWindowPoSt(ctx context.Context, info proof2.WindowPoStVerifyInfo) (bool, error) {
info.Randomness[31] &= 0x3f
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_, span := trace.StartSpan(ctx, "VerifyWindowPoSt")
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defer span.End()
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return ffi.VerifyWindowPoSt(info)
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}
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func (proofVerifier) GenerateWinningPoStSectorChallenge(ctx context.Context, proofType abi.RegisteredPoStProof, minerID abi.ActorID, randomness abi.PoStRandomness, eligibleSectorCount uint64) ([]uint64, error) {
randomness[31] &= 0x3f
return ffi.GenerateWinningPoStSectorChallenge(proofType, minerID, randomness, eligibleSectorCount)
}