lotus/lib/sectorbuilder/sectorbuilder.go

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package sectorbuilder
import (
"encoding/binary"
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"unsafe"
sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
logging "github.com/ipfs/go-log"
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"github.com/filecoin-project/go-lotus/chain/address"
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)
var log = logging.Logger("sectorbuilder")
type SectorSealingStatus = sectorbuilder.SectorSealingStatus
type StagedSectorMetadata = sectorbuilder.StagedSectorMetadata
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const CommLen = sectorbuilder.CommitmentBytesLen
type SectorBuilder struct {
handle unsafe.Pointer
}
type SectorBuilderConfig struct {
SectorSize uint64
Miner address.Address
SealedDir string
StagedDir string
MetadataDir string
}
func New(cfg *SectorBuilderConfig) (*SectorBuilder, error) {
proverId := addressToProverID(cfg.Miner)
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sbp, err := sectorbuilder.InitSectorBuilder(cfg.SectorSize, 1, 1, 1, cfg.MetadataDir, proverId, cfg.SealedDir, cfg.StagedDir, 16)
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if err != nil {
return nil, err
}
return &SectorBuilder{
handle: sbp,
}, nil
}
func addressToProverID(a address.Address) [31]byte {
var proverId [31]byte
copy(proverId[:], a.Payload())
return proverId
}
func sectorIDtoBytes(sid uint64) [31]byte {
var out [31]byte
binary.LittleEndian.PutUint64(out[:], sid)
return out
}
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func (sb *SectorBuilder) Destroy() {
sectorbuilder.DestroySectorBuilder(sb.handle)
}
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func (sb *SectorBuilder) AddPiece(pieceKey string, pieceSize uint64, piecePath string) (uint64, error) {
return sectorbuilder.AddPiece(sb.handle, pieceKey, pieceSize, piecePath)
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}
// TODO: should *really really* return an io.ReadCloser
func (sb *SectorBuilder) ReadPieceFromSealedSector(pieceKey string) ([]byte, error) {
return sectorbuilder.ReadPieceFromSealedSector(sb.handle, pieceKey)
}
func (sb *SectorBuilder) SealAllStagedSectors() error {
return sectorbuilder.SealAllStagedSectors(sb.handle)
}
func (sb *SectorBuilder) SealStatus(sector uint64) (SectorSealingStatus, error) {
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return sectorbuilder.GetSectorSealingStatusByID(sb.handle, sector)
}
func (sb *SectorBuilder) GetAllStagedSectors() ([]StagedSectorMetadata, error) {
return sectorbuilder.GetAllStagedSectors(sb.handle)
}
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func (sb *SectorBuilder) GeneratePoSt(sortedCommRs [][CommLen]byte, challengeSeed [CommLen]byte) ([][]byte, []uint64, error) {
// Wait, this is a blocking method with no way of interrupting it?
// does it checkpoint itself?
return sectorbuilder.GeneratePoSt(sb.handle, sortedCommRs, challengeSeed)
}
var UserBytesForSectorSize = sectorbuilder.GetMaxUserBytesPerStagedSector
func VerifySeal(sectorSize uint64, commR, commD, commRStar []byte, proverID address.Address, sectorID uint64, proof []byte) (bool, error) {
var commRa, commDa, commRStara [32]byte
copy(commRa[:], commR)
copy(commDa[:], commD)
copy(commRStara[:], commRStar)
proverIDa := addressToProverID(proverID)
sectorIDa := sectorIDtoBytes(sectorID)
return sectorbuilder.VerifySeal(sectorSize, commRa, commDa, commRStara, proverIDa, sectorIDa, proof)
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}
func VerifyPost(sectorSize uint64, sortedCommRs [][CommLen]byte, challengeSeed [CommLen]byte, proofs [][]byte, faults []uint64) (bool, error) {
// sectorbuilder.VerifyPost()
panic("no")
}