diff --git a/extern/storage-sealing/fsm_test.go b/extern/storage-sealing/fsm_test.go
index b1e53133c..474ea1966 100644
--- a/extern/storage-sealing/fsm_test.go
+++ b/extern/storage-sealing/fsm_test.go
@@ -3,6 +3,8 @@ package sealing
 import (
 	"testing"
 
+	"github.com/filecoin-project/go-address"
+	"github.com/filecoin-project/specs-actors/actors/abi"
 	logging "github.com/ipfs/go-log/v2"
 	"github.com/stretchr/testify/require"
 
@@ -25,8 +27,14 @@ type test struct {
 }
 
 func TestHappyPath(t *testing.T) {
+	ma, _ := address.NewIDAddress(55151)
 	m := test{
-		s:     &Sealing{},
+		s: &Sealing{
+			maddr: ma,
+			stats: SectorStats{
+				bySector: map[abi.SectorID]statSectorState{},
+			},
+		},
 		t:     t,
 		state: &SectorInfo{State: Packing},
 	}
@@ -60,8 +68,14 @@ func TestHappyPath(t *testing.T) {
 }
 
 func TestSeedRevert(t *testing.T) {
+	ma, _ := address.NewIDAddress(55151)
 	m := test{
-		s:     &Sealing{},
+		s:     &Sealing{
+		maddr: ma,
+		stats: SectorStats{
+		bySector: map[abi.SectorID]statSectorState{},
+	},
+	},
 		t:     t,
 		state: &SectorInfo{State: Packing},
 	}
@@ -101,8 +115,14 @@ func TestSeedRevert(t *testing.T) {
 }
 
 func TestPlanCommittingHandlesSectorCommitFailed(t *testing.T) {
+	ma, _ := address.NewIDAddress(55151)
 	m := test{
-		s:     &Sealing{},
+		s:     &Sealing{
+		maddr: ma,
+		stats: SectorStats{
+		bySector: map[abi.SectorID]statSectorState{},
+	},
+	},
 		t:     t,
 		state: &SectorInfo{State: Committing},
 	}
diff --git a/extern/storage-sealing/sealiface/config.go b/extern/storage-sealing/sealiface/config.go
new file mode 100644
index 000000000..ad0b12c40
--- /dev/null
+++ b/extern/storage-sealing/sealiface/config.go
@@ -0,0 +1,16 @@
+package sealiface
+
+import "time"
+
+// this has to be in a separate package to not make lotus API depend on filecoin-ffi
+
+type Config struct {
+	// 0 = no limit
+	MaxWaitDealsSectors uint64
+
+	// includes failed, 0 = no limit
+	MaxSealingSectors uint64
+
+	WaitDealsDelay time.Duration
+}
+
diff --git a/extern/storage-sealing/sealing.go b/extern/storage-sealing/sealing.go
index 3a6bb8e5f..006118e58 100644
--- a/extern/storage-sealing/sealing.go
+++ b/extern/storage-sealing/sealing.go
@@ -35,16 +35,6 @@ type SectorLocation struct {
 	Partition uint64
 }
 
-type Config struct {
-	// 0 = no limit
-	MaxWaitDealsSectors uint64
-
-	// includes failed, 0 = no limit
-	MaxSealingSectors uint64
-
-	WaitDealsDelay time.Duration
-}
-
 var ErrSectorAllocated = errors.New("sectorNumber is allocated, but PreCommit info wasn't found on chain")
 
 type SealingAPI interface {
diff --git a/extern/storage-sealing/types.go b/extern/storage-sealing/types.go
index 1e7c9f76c..a9c2a7203 100644
--- a/extern/storage-sealing/types.go
+++ b/extern/storage-sealing/types.go
@@ -12,6 +12,7 @@ import (
 	"github.com/filecoin-project/specs-storage/storage"
 
 	sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
+	"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
 )
 
 // Piece is a tuple of piece and deal info
@@ -186,7 +187,7 @@ type MessageReceipt struct {
 	GasUsed  int64
 }
 
-type GetSealingConfigFunc func() (Config, error)
+type GetSealingConfigFunc func() (sealiface.Config, error)
 
 func (mr *MessageReceipt) Equals(o *MessageReceipt) bool {
 	return mr.ExitCode == o.ExitCode && bytes.Equal(mr.Return, o.Return) && mr.GasUsed == o.GasUsed
diff --git a/node/modules/dtypes/miner.go b/node/modules/dtypes/miner.go
index 600d19dc7..d559a2de1 100644
--- a/node/modules/dtypes/miner.go
+++ b/node/modules/dtypes/miner.go
@@ -8,8 +8,9 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-fil-markets/storagemarket"
-	sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
 	"github.com/filecoin-project/specs-actors/actors/abi"
+
+	"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
 )
 
 type MinerAddress address.Address
@@ -57,10 +58,10 @@ type ConsiderOfflineRetrievalDealsConfigFunc func() (bool, error)
 type SetConsiderOfflineRetrievalDealsConfigFunc func(bool) error
 
 // SetSealingDelay sets how long a sector waits for more deals before sealing begins.
-type SetSealingConfigFunc func(sealing.Config) error
+type SetSealingConfigFunc func(sealiface.Config) error
 
 // GetSealingDelay returns how long a sector waits for more deals before sealing begins.
-type GetSealingConfigFunc func() (sealing.Config, error)
+type GetSealingConfigFunc func() (sealiface.Config, error)
 
 // SetExpectedSealDurationFunc is a function which is used to set how long sealing is expected to take.
 // Deals that would need to start earlier than this duration will be rejected.
diff --git a/node/modules/storageminer.go b/node/modules/storageminer.go
index e0cbb434e..3be869f0f 100644
--- a/node/modules/storageminer.go
+++ b/node/modules/storageminer.go
@@ -48,6 +48,7 @@ import (
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/lotus/extern/sector-storage/stores"
 	sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
+	"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
 
 	lapi "github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/build"
@@ -594,7 +595,7 @@ func NewSetConsiderOfflineRetrievalDealsConfigFunc(r repo.LockedRepo) (dtypes.Se
 }
 
 func NewSetSealConfigFunc(r repo.LockedRepo) (dtypes.SetSealingConfigFunc, error) {
-	return func(cfg sealing.Config) (err error) {
+	return func(cfg sealiface.Config) (err error) {
 		err = mutateCfg(r, func(c *config.StorageMiner) {
 			c.Sealing = config.SealingConfig{
 				MaxWaitDealsSectors: cfg.MaxWaitDealsSectors,
@@ -607,9 +608,9 @@ func NewSetSealConfigFunc(r repo.LockedRepo) (dtypes.SetSealingConfigFunc, error
 }
 
 func NewGetSealConfigFunc(r repo.LockedRepo) (dtypes.GetSealingConfigFunc, error) {
-	return func() (out sealing.Config, err error) {
+	return func() (out sealiface.Config, err error) {
 		err = readCfg(r, func(cfg *config.StorageMiner) {
-			out = sealing.Config{
+			out = sealiface.Config{
 				MaxWaitDealsSectors: cfg.Sealing.MaxWaitDealsSectors,
 				MaxSealingSectors:   cfg.Sealing.MaxSealingSectors,
 				WaitDealsDelay:      time.Duration(cfg.Sealing.WaitDealsDelay),