diff --git a/go.mod b/go.mod
index e806e5c6d..d4ea9604b 100644
--- a/go.mod
+++ b/go.mod
@@ -7,6 +7,7 @@ require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/filecoin-project/go-bls-sigs v0.0.0-20190718224239-4bc4b8a7bbf8
 	github.com/filecoin-project/go-leb128 v0.0.0-20190212224330-8d79a5489543
+	github.com/filecoin-project/go-sectorbuilder v0.0.0-00010101000000-000000000000
 	github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1
 	github.com/gorilla/websocket v1.4.0
 	github.com/ipfs/go-bitswap v0.1.5
diff --git a/lib/sectorbuilder/sectorbuilder.go b/lib/sectorbuilder/sectorbuilder.go
new file mode 100644
index 000000000..bc50ff841
--- /dev/null
+++ b/lib/sectorbuilder/sectorbuilder.go
@@ -0,0 +1,73 @@
+package sectorbuilder
+
+import (
+	"unsafe"
+
+	"github.com/filecoin-project/go-lotus/chain/address"
+	sectorbuilder "github.com/filecoin-project/go-sectorbuilder"
+)
+
+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) {
+	var proverId [31]byte
+	copy(proverId[:], cfg.Miner.Payload())
+
+	sbp, err := sectorbuilder.InitSectorBuilder(cfg.SectorSize, 2, 2, 1, cfg.MetadataDir, [31]byte{}, cfg.SealedDir, cfg.StagedDir, 16)
+	if err != nil {
+		return nil, err
+	}
+
+	return &SectorBuilder{
+		handle: sbp,
+	}, nil
+}
+
+func (sb *SectorBuilder) Destroy() {
+	sectorbuilder.DestroySectorBuilder(sb.handle)
+}
+
+func (sb *SectorBuilder) AddPiece(pieceKey string, pieceSize uint64, piecePath string) (uint64, error) {
+	return sectorbuilder.AddPiece(sb.handle, pieceKey, pieceSize, piecePath)
+}
+
+// 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) (sectorbuilder.SectorSealingStatus, error) {
+	return sectorbuilder.GetSectorSealingStatusByID(sb.handle, sector)
+}
+
+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)
+}
+
+func VerifySeal(sectorSize uint64, commR, commD, commRStar [CommLen]byte, proverID address.Address, sectorID uint64, proof []byte) (bool, error) {
+	panic("TODO")
+	// return sectorbuilder.VerifySeal(sectorSize, commR, commD, commRStar, providerID, sectorID, proof)
+}
+
+func VerifyPost(sectorSize uint64, sortedCommRs [][CommLen]byte, challengeSeed [CommLen]byte, proofs [][]byte, faults []uint64) (bool, error) {
+	// sectorbuilder.VerifyPost()
+	panic("no")
+}
diff --git a/node/builder.go b/node/builder.go
index da79b06a8..c8c61dc3b 100644
--- a/node/builder.go
+++ b/node/builder.go
@@ -28,6 +28,7 @@ import (
 	"github.com/filecoin-project/go-lotus/chain/store"
 	"github.com/filecoin-project/go-lotus/chain/types"
 	"github.com/filecoin-project/go-lotus/chain/wallet"
+	"github.com/filecoin-project/go-lotus/lib/sectorbuilder"
 	"github.com/filecoin-project/go-lotus/node/config"
 	"github.com/filecoin-project/go-lotus/node/hello"
 	"github.com/filecoin-project/go-lotus/node/impl"
@@ -246,6 +247,11 @@ func Config(cfg *config.Root) Option {
 		ApplyIf(func(s *Settings) bool { return s.Online },
 			Override(StartListeningKey, lp2p.StartListening(cfg.Libp2p.ListenAddresses)),
 		),
+
+		ApplyIf(func(s *Settings) bool { return s.nodeType == nodeStorageMiner },
+			Override(new(*sectorbuilder.SectorBuilderConfig), modules.SectorBuilderConfig),
+			Override(new(*sectorbuilder.SectorBuilder), sectorbuilder.New),
+		),
 	)
 }
 
diff --git a/node/impl/storminer.go b/node/impl/storminer.go
index 197ca710a..dfaad454c 100644
--- a/node/impl/storminer.go
+++ b/node/impl/storminer.go
@@ -2,10 +2,13 @@ package impl
 
 import (
 	"github.com/filecoin-project/go-lotus/api"
+	"github.com/filecoin-project/go-lotus/lib/sectorbuilder"
 )
 
 type StorageMinerAPI struct {
 	CommonAPI
+
+	SectorBuilder *sectorbuilder.SectorBuilder
 }
 
 var _ api.StorageMiner = &StorageMinerAPI{}
diff --git a/node/modules/core.go b/node/modules/core.go
index cf7600ffd..8892e9b7d 100644
--- a/node/modules/core.go
+++ b/node/modules/core.go
@@ -30,8 +30,10 @@ import (
 	"golang.org/x/xerrors"
 
 	"github.com/filecoin-project/go-lotus/api"
+	"github.com/filecoin-project/go-lotus/chain/address"
 	"github.com/filecoin-project/go-lotus/chain/store"
 	"github.com/filecoin-project/go-lotus/chain/types"
+	"github.com/filecoin-project/go-lotus/lib/sectorbuilder"
 	"github.com/filecoin-project/go-lotus/node/modules/helpers"
 	"github.com/filecoin-project/go-lotus/node/repo"
 )
@@ -216,3 +218,23 @@ func LoadGenesis(genBytes []byte) func(blockstore.Blockstore) Genesis {
 		}
 	}
 }
+
+func SectorBuilderConfig(storagePath string) (*sectorbuilder.SectorBuilderConfig, error) {
+	metadata := filepath.Join(storagePath, "meta")
+	sealed := filepath.Join(storagePath, "sealed")
+	staging := filepath.Join(storagePath, "staging")
+
+	// TODO: get the address of the miner actor
+	minerAddr, err := address.NewIDAddress(42)
+	if err != nil {
+		return nil, err
+	}
+
+	return &sectorbuilder.SectorBuilderConfig{
+		Miner:       minerAddr,
+		SectorSize:  1024,
+		MetadataDir: metadata,
+		SealedDir:   sealed,
+		StagedDir:   staging,
+	}, nil
+}