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verifier_cgo.go
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verifier_cgo.go
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//go:build cgo
// +build cgo
package ffiwrapper
import (
"context"
"go.opencensus.io/trace"
"golang.org/x/xerrors"
ffi "github.com/filecoin-project/filecoin-ffi"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/specs-actors/v7/actors/runtime/proof"
"github.com/filecoin-project/lotus/storage/sealer/storiface"
)
func (sb *Sealer) GenerateWinningPoSt(ctx context.Context, minerID abi.ActorID, sectorInfo []proof.ExtendedSectorInfo, randomness abi.PoStRandomness) ([]proof.PoStProof, error) {
randomness[31] &= 0x3f
if len(sectorInfo) == 0 {
return nil, xerrors.Errorf("must provide sectors for winning post")
}
ppt, err := sectorInfo[0].SealProof.RegisteredWinningPoStProof()
if err != nil {
return nil, xerrors.Errorf("failed to convert to winning post proof: %w", err)
}
privsectors, skipped, done, err := sb.pubExtendedSectorToPriv(ctx, minerID, sectorInfo, nil, ppt) // TODO: FAULTS?
if err != nil {
return nil, err
}
defer done()
if len(skipped) > 0 {
return nil, xerrors.Errorf("pubSectorToPriv skipped sectors: %+v", skipped)
}
return ffi.GenerateWinningPoSt(minerID, privsectors, randomness)
}
func (sb *Sealer) GenerateWindowPoSt(ctx context.Context, minerID abi.ActorID, postProofType abi.RegisteredPoStProof, sectorInfo []proof.ExtendedSectorInfo, randomness abi.PoStRandomness) ([]proof.PoStProof, []abi.SectorID, error) {
randomness[31] &= 0x3f
privsectors, skipped, done, err := sb.pubExtendedSectorToPriv(ctx, minerID, sectorInfo, nil, postProofType)
if err != nil {
return nil, nil, xerrors.Errorf("gathering sector info: %w", err)
}
defer done()
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
}
func (sb *Sealer) pubExtendedSectorToPriv(ctx context.Context, mid abi.ActorID, sectorInfo []proof.ExtendedSectorInfo, faults []abi.SectorNumber, postProofType abi.RegisteredPoStProof) (ffi.SortedPrivateSectorInfo, []abi.SectorID, func(), error) {
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
var out []ffi.PrivateSectorInfo
for _, s := range sectorInfo {
if _, faulty := fmap[s.SectorNumber]; faulty {
continue
}
sid := storiface.SectorRef{
ID: abi.SectorID{Miner: mid, Number: s.SectorNumber},
ProofType: s.SealProof,
}
proveUpdate := s.SectorKey != nil
var cache string
var sealed string
if proveUpdate {
log.Debugf("Posting over updated sector for sector id: %d", s.SectorNumber)
paths, d, err := sb.sectors.AcquireSector(ctx, sid, storiface.FTUpdateCache|storiface.FTUpdate, 0, storiface.PathStorage)
if err != nil {
log.Warnw("failed to acquire FTUpdateCache and FTUpdate of sector, skipping", "sector", sid.ID, "error", err)
skipped = append(skipped, sid.ID)
continue
}
doneFuncs = append(doneFuncs, d)
cache = paths.UpdateCache
sealed = paths.Update
} else {
log.Debugf("Posting over sector key sector for sector id: %d", s.SectorNumber)
paths, d, err := sb.sectors.AcquireSector(ctx, sid, storiface.FTCache|storiface.FTSealed, 0, storiface.PathStorage)
if err != nil {
log.Warnw("failed to acquire FTCache and FTSealed of sector, skipping", "sector", sid.ID, "error", err)
skipped = append(skipped, sid.ID)
continue
}
doneFuncs = append(doneFuncs, d)
cache = paths.Cache
sealed = paths.Sealed
}
ffiInfo := proof.SectorInfo{
SealProof: s.SealProof,
SectorNumber: s.SectorNumber,
SealedCID: s.SealedCID,
}
out = append(out, ffi.PrivateSectorInfo{
CacheDirPath: cache,
PoStProofType: postProofType,
SealedSectorPath: sealed,
SectorInfo: ffiInfo,
})
}
return ffi.NewSortedPrivateSectorInfo(out...), skipped, done, nil
}
var _ storiface.Verifier = ProofVerifier
type proofVerifier struct{}
var ProofVerifier = proofVerifier{}
func (proofVerifier) VerifySeal(info proof.SealVerifyInfo) (bool, error) {
return ffi.VerifySeal(info)
}
func (proofVerifier) VerifyAggregateSeals(aggregate proof.AggregateSealVerifyProofAndInfos) (bool, error) {
return ffi.VerifyAggregateSeals(aggregate)
}
func (proofVerifier) VerifyReplicaUpdate(update proof.ReplicaUpdateInfo) (bool, error) {
return ffi.SectorUpdate.VerifyUpdateProof(update)
}
func (proofVerifier) VerifyWinningPoSt(ctx context.Context, info proof.WinningPoStVerifyInfo) (bool, error) {
info.Randomness[31] &= 0x3f
_, span := trace.StartSpan(ctx, "VerifyWinningPoSt")
defer span.End()
return ffi.VerifyWinningPoSt(info)
}
func (proofVerifier) VerifyWindowPoSt(ctx context.Context, info proof.WindowPoStVerifyInfo) (bool, error) {
info.Randomness[31] &= 0x3f
_, span := trace.StartSpan(ctx, "VerifyWindowPoSt")
defer span.End()
return ffi.VerifyWindowPoSt(info)
}
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)
}