get sealed sectors in go

bindings.go

@@ -32,6 +32,16 @@ type StagedSectorMetadata struct {
 	SectorID uint64
 }
 
+// SealedSectorMetadata represents a sector in the builder that has been sealed.
+type SealedSectorMetadata struct {
+	SectorID  uint64
+	CommD     [CommitmentBytesLen]byte
+	CommR     [CommitmentBytesLen]byte
+	CommRStar [CommitmentBytesLen]byte
+	Proof     []byte
+	Pieces    []PieceMetadata
+}
+
 // SectorSealingStatus communicates how far along in the sealing process a
 // sector has progressed.
 type SectorSealingStatus struct {
@@ -318,7 +328,26 @@ func GetAllStagedSectors(sectorBuilderPtr unsafe.Pointer) ([]StagedSectorMetadat
 	return meta, nil
 }
 
-// GetSectorSealingStatusByID produces sector sealing status (staged, sealing in
+// GetAllSealedSectors returns a slice of all sealed sector metadata for the sector builder.
+func GetAllSealedSectors(sectorBuilderPtr unsafe.Pointer) ([]SealedSectorMetadata, error) {
+	defer elapsed("GetAllSealedSectors")()
+
+	resPtr := C.sector_builder_ffi_get_sealed_sectors((*C.sector_builder_ffi_SectorBuilder)(sectorBuilderPtr))
+	defer C.sector_builder_ffi_destroy_get_sealed_sectors_response(resPtr)
+
+	if resPtr.status_code != 0 {
+		return nil, errors.New(C.GoString(resPtr.error_msg))
+	}
+
+	meta, err := goSealedSectorMetadata(resPtr.sectors_ptr, resPtr.sectors_len)
+	if err != nil {
+		return nil, err
+	}
+
+	return meta, nil
+}
+
+// GetSectorSealingStatusByID produces sector sealing status (staged, sealinG in
 // progress, sealed, failed) for the provided sector id if it exists, otherwise
 // an error.
 func GetSectorSealingStatusByID(sectorBuilderPtr unsafe.Pointer, sectorID uint64) (SectorSealingStatus, error) {

bindings_test.go

@@ -51,6 +51,11 @@ func TestSectorBuilderLifecycle(t *testing.T) {
 	sectorID, err := sb.AddPiece(ptr, "snoqualmie", maxPieceSize, piecePath)
 	require.NoError(t, err)
 
+	stagedSectors, err := sb.GetAllStagedSectors(ptr)
+	require.Equal(t, 1, len(stagedSectors))
+	stagedSector := stagedSectors[0]
+	require.Equal(t, uint64(1), stagedSector.SectorID)
+
 	// block until Groth parameter cache is (lazily) hydrated and sector has
 	// been sealed (or timeout)
 	status, err := pollForSectorSealingStatus(ptr, sectorID, 0, time.Minute*30)
@@ -75,6 +80,15 @@ func TestSectorBuilderLifecycle(t *testing.T) {
 	isValid, err = sb.VerifyPoSt(1024, [][32]byte{status.CommR}, [32]byte{}, proofs, faults)
 	require.True(t, isValid)
 
+	sealedSectors, err := sb.GetAllSealedSectors(ptr)
+	require.Equal(t, 1, len(sealedSectors), "expected to see one sealed sector")
+	sealedSector := sealedSectors[0]
+	require.Equal(t, uint64(1), sealedSector.SectorID)
+	require.Equal(t, 1, len(sealedSector.Pieces))
+	// the piece is the size of the sector, so its piece commitment should be the
+	// sector commitment
+	require.Equal(t, commP, sealedSector.CommD)
+
 	// unseal the sector and retrieve the client's piece, verifying that the
 	// retrieved bytes match what we originally wrote to the staged sector
 	unsealedPieceBytes, err := sb.ReadPieceFromSealedSector(ptr, "snoqualmie")

go.mod

@@ -3,7 +3,22 @@ module github.com/filecoin-project/go-sectorbuilder
 go 1.12
 
 require (
+	github.com/hashicorp/golang-lru v0.5.3 // indirect
 	github.com/ipfs/go-log v0.0.1
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/neelance/parallel v0.0.0-20160708114440-4de9ce63d14c // indirect
+	github.com/opentracing/basictracer-go v1.0.0 // indirect
 	github.com/pkg/errors v0.8.1
+	github.com/prometheus/client_golang v1.1.0 // indirect
+	github.com/slimsag/godocmd v0.0.0-20161025000126-a1005ad29fe3 // indirect
+	github.com/sourcegraph/ctxvfs v0.0.0-20180418081416-2b65f1b1ea81 // indirect
+	github.com/sourcegraph/go-langserver v2.0.0+incompatible // indirect
+	github.com/sourcegraph/jsonrpc2 v0.0.0-20190106185902-35a74f039c6a // indirect
 	github.com/stretchr/testify v1.3.0
+	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
+	golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7 // indirect
+	golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // indirect
+	golang.org/x/text v0.3.2 // indirect
+	golang.org/x/tools v0.0.0-20190813142322-97f12d73768f // indirect
 )

go.sum

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transforms.go

@@ -2,6 +2,8 @@ package go_sectorbuilder
 
 import (
 	"unsafe"
+
+	"github.com/pkg/errors"
 )
 
 // #cgo LDFLAGS: ${SRCDIR}/libsector_builder_ffi.a
@@ -73,6 +75,46 @@ func goStagedSectorMetadata(src *C.sector_builder_ffi_FFIStagedSectorMetadata, s
 	return sectors, nil
 }
 
+func goSealedSectorMetadata(src *C.sector_builder_ffi_FFISealedSectorMetadata, size C.size_t) ([]SealedSectorMetadata, error) {
+	sectors := make([]SealedSectorMetadata, size)
+	if src == nil || size == 0 {
+		return sectors, nil
+	}
+
+	ptrs := (*[1 << 30]C.sector_builder_ffi_FFISealedSectorMetadata)(unsafe.Pointer(src))[:size:size]
+	for i := 0; i < int(size); i++ {
+		commDSlice := goBytes(&ptrs[i].comm_d[0], CommitmentBytesLen)
+		var commD [CommitmentBytesLen]byte
+		copy(commD[:], commDSlice)
+
+		commRSlice := goBytes(&ptrs[i].comm_r[0], CommitmentBytesLen)
+		var commR [CommitmentBytesLen]byte
+		copy(commR[:], commRSlice)
+
+		commRStarSlice := goBytes(&ptrs[i].comm_r_star[0], CommitmentBytesLen)
+		var commRStar [CommitmentBytesLen]byte
+		copy(commRStar[:], commRStarSlice)
+
+		proof := goBytes(ptrs[i].proofs_ptr, ptrs[i].proofs_len)
+
+		pieces, err := goPieceMetadata(ptrs[i].pieces_ptr, ptrs[i].pieces_len)
+		if err != nil {
+			return []SealedSectorMetadata{}, errors.Wrap(err, "failed to marshal piece metadata")
+		}
+
+		sectors[i] = SealedSectorMetadata{
+			SectorID:  uint64(ptrs[i].sector_id),
+			CommD:     commD,
+			CommR:     commR,
+			CommRStar: commRStar,
+			Proof:     proof,
+			Pieces:    pieces,
+		}
+	}
+
+	return sectors, nil
+}
+
 func goPieceMetadata(src *C.sector_builder_ffi_FFIPieceMetadata, size C.size_t) ([]PieceMetadata, error) {
 	ps := make([]PieceMetadata, size)
 	if src == nil || size == 0 {