lotus/ffiwrapper/varifier_cgo.go
2020-03-26 03:51:06 +01:00

81 lines
2.2 KiB
Go

//+build cgo
package ffiwrapper
import (
"context"
"go.opencensus.io/trace"
ffi "github.com/filecoin-project/filecoin-ffi"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-storage/storage"
)
func (sb *SectorBuilder) ComputeElectionPoSt(ctx context.Context, miner abi.ActorID, sectorInfo []abi.SectorInfo, challengeSeed abi.PoStRandomness, winners []abi.PoStCandidate) ([]abi.PoStProof, error) {
challengeSeed[31] = 0
privsects, err := sb.pubSectorToPriv(ctx, miner, sectorInfo, nil) // TODO: faults
if err != nil {
return nil, err
}
return ffi.GeneratePoSt(miner, privsects, challengeSeed, winners)
}
func (sb *SectorBuilder) GenerateEPostCandidates(ctx context.Context, miner abi.ActorID, sectorInfo []abi.SectorInfo, challengeSeed abi.PoStRandomness, faults []abi.SectorNumber) ([]storage.PoStCandidateWithTicket, error) {
privsectors, err := sb.pubSectorToPriv(ctx, miner, sectorInfo, faults)
if err != nil {
return nil, err
}
challengeSeed[31] = 0
challengeCount := ElectionPostChallengeCount(uint64(len(sectorInfo)), uint64(len(faults)))
pc, err := ffi.GenerateCandidates(miner, challengeSeed, challengeCount, privsectors)
if err != nil {
return nil, err
}
return ffiToStorageCandidates(pc), nil
}
func ffiToStorageCandidates(pc []ffi.PoStCandidateWithTicket) []storage.PoStCandidateWithTicket {
out := make([]storage.PoStCandidateWithTicket, len(pc))
for i := range out {
out[i] = storage.PoStCandidateWithTicket{
Candidate: pc[i].Candidate,
Ticket: pc[i].Ticket,
}
}
return out
}
var _ Verifier = ProofVerifier
type proofVerifier struct{}
var ProofVerifier = proofVerifier{}
func (proofVerifier) VerifySeal(info abi.SealVerifyInfo) (bool, error) {
return ffi.VerifySeal(info)
}
func (proofVerifier) VerifyElectionPost(ctx context.Context, info abi.PoStVerifyInfo) (bool, error) {
return verifyPost(ctx, info)
}
func (proofVerifier) VerifyFallbackPost(ctx context.Context, info abi.PoStVerifyInfo) (bool, error) {
return verifyPost(ctx, info)
}
func verifyPost(ctx context.Context, info abi.PoStVerifyInfo) (bool, error) {
_, span := trace.StartSpan(ctx, "VerifyPoSt")
defer span.End()
info.Randomness[31] = 0
return ffi.VerifyPoSt(info)
}