76 lines
2.9 KiB
Go
76 lines
2.9 KiB
Go
package sectorbuilder
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import (
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"context"
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"io"
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sectorbuilder "github.com/filecoin-project/filecoin-ffi"
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"go.opencensus.io/trace"
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"github.com/filecoin-project/lotus/chain/address"
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"github.com/filecoin-project/lotus/chain/types"
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)
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func (sb *SectorBuilder) SectorSize() uint64 {
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return sb.ssize
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}
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var UserBytesForSectorSize = sectorbuilder.GetMaxUserBytesPerStagedSector
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func VerifySeal(sectorSize uint64, commR, commD []byte, proverID address.Address, ticket []byte, seed []byte, sectorID uint64, proof []byte) (bool, error) {
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var commRa, commDa, ticketa, seeda [32]byte
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copy(commRa[:], commR)
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copy(commDa[:], commD)
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copy(ticketa[:], ticket)
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copy(seeda[:], seed)
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proverIDa := addressToProverID(proverID)
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return sectorbuilder.VerifySeal(sectorSize, commRa, commDa, proverIDa, ticketa, seeda, sectorID, proof)
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}
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func NewSortedPrivateSectorInfo(sectors []sectorbuilder.PrivateSectorInfo) SortedPrivateSectorInfo {
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return sectorbuilder.NewSortedPrivateSectorInfo(sectors...)
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}
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func NewSortedPublicSectorInfo(sectors []sectorbuilder.PublicSectorInfo) SortedPublicSectorInfo {
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return sectorbuilder.NewSortedPublicSectorInfo(sectors...)
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}
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func VerifyElectionPost(ctx context.Context, sectorSize uint64, sectorInfo SortedPublicSectorInfo, challengeSeed []byte, proof []byte, candidates []EPostCandidate, proverID address.Address) (bool, error) {
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challengeCount := types.ElectionPostChallengeCount(uint64(len(sectorInfo.Values())))
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return verifyPost(ctx, sectorSize, sectorInfo, challengeCount, challengeSeed, proof, candidates, proverID)
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}
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func VerifyFallbackPost(ctx context.Context, sectorSize uint64, sectorInfo SortedPublicSectorInfo, challengeSeed []byte, proof []byte, candidates []EPostCandidate, proverID address.Address) (bool, error) {
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challengeCount := fallbackPostChallengeCount(uint64(len(sectorInfo.Values())))
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return verifyPost(ctx, sectorSize, sectorInfo, challengeCount, challengeSeed, proof, candidates, proverID)
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}
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func verifyPost(ctx context.Context, sectorSize uint64, sectorInfo SortedPublicSectorInfo, challengeCount uint64, challengeSeed []byte, proof []byte, candidates []EPostCandidate, proverID address.Address) (bool, error) {
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var challengeSeeda [CommLen]byte
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copy(challengeSeeda[:], challengeSeed)
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_, span := trace.StartSpan(ctx, "VerifyPoSt")
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defer span.End()
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prover := addressToProverID(proverID)
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return sectorbuilder.VerifyPoSt(sectorSize, sectorInfo, challengeSeeda, challengeCount, proof, candidates, prover)
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}
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func GeneratePieceCommitment(piece io.Reader, pieceSize uint64) (commP [CommLen]byte, err error) {
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f, werr, err := toReadableFile(piece, int64(pieceSize))
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if err != nil {
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return [32]byte{}, err
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}
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commP, err = sectorbuilder.GeneratePieceCommitmentFromFile(f, pieceSize)
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if err != nil {
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return [32]byte{}, err
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}
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return commP, werr()
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}
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func GenerateDataCommitment(ssize uint64, pieces []sectorbuilder.PublicPieceInfo) ([CommLen]byte, error) {
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return sectorbuilder.GenerateDataCommitment(ssize, pieces)
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}
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