renames and polish.

blockstore/splitstore/liveset.go

@@ -14,14 +14,14 @@ type LiveSet interface {
 	Close() error
 }
 
-var markBytes = []byte{}
+var markBytes []byte
 
 type LiveSetEnv interface {
 	NewLiveSet(name string, sizeHint int64) (LiveSet, error)
 	Close() error
 }
 
-func NewLiveSetEnv(path string, liveSetType string) (LiveSetEnv, error) {
+func OpenLiveSetEnv(path string, liveSetType string) (LiveSetEnv, error) {
 	switch liveSetType {
 	case "", "bloom":
 		return NewBloomLiveSetEnv()

blockstore/splitstore/liveset_bloom.go

@@ -42,7 +42,7 @@ func (e *BloomLiveSetEnv) NewLiveSet(name string, sizeHint int64) (LiveSet, erro
 		return nil, xerrors.Errorf("error reading salt: %w", err)
 	}
 
-	bf, err := bbloom.New(float64(size), float64(BloomFilterProbability))
+	bf, err := bbloom.New(float64(size), BloomFilterProbability)
 	if err != nil {
 		return nil, xerrors.Errorf("error creating bloom filter: %w", err)
 	}

blockstore/splitstore/liveset_test.go

@@ -26,7 +26,7 @@ func testLiveSet(t *testing.T, lsType string) {
 		t.Fatal(err)
 	}
 
-	env, err := NewLiveSetEnv(path, lsType)
+	env, err := OpenLiveSetEnv(path, lsType)
 	if err != nil {
 		t.Fatal(err)
 	}

blockstore/splitstore/splitstore.go

@@ -31,13 +31,12 @@ var (
 var (
 	baseEpochKey   = dstore.NewKey("/splitstore/baseEpoch")
 	warmupEpochKey = dstore.NewKey("/splitstore/warmupEpoch")
+	log            = logging.Logger("splitstore")
 )
 
-var log = logging.Logger("splitstore")
-
 func init() {
 	// TODO temporary for debugging purposes; to be removed for merge.
-	logging.SetLogLevel("splitstore", "DEBUG")
+	_ = logging.SetLogLevel("splitstore", "DEBUG")
 }
 
 type Config struct {
@@ -94,20 +93,20 @@ type SplitStore struct {
 
 var _ bstore.Blockstore = (*SplitStore)(nil)
 
-// NewSplitStore creates a new SplitStore instance, given a path for the hotstore dbs and a cold
-// blockstore. The SplitStore must be attached to the ChainStore with Start in order to trigger
-// compaction.
-func NewSplitStore(path string, ds dstore.Datastore, cold, hot bstore.Blockstore, cfg *Config) (*SplitStore, error) {
+// Open opens an existing splistore, or creates a new splitstore. The splitstore
+// is backed by the provided hot and cold stores. The returned SplitStore MUST be
+// attached to the ChainStore with Start in order to trigger compaction.
+func Open(path string, ds dstore.Datastore, hot, cold bstore.Blockstore, cfg *Config) (*SplitStore, error) {
 	// the tracking store
-	snoop, err := NewTrackingStore(path, cfg.TrackingStoreType)
+	snoop, err := OpenTrackingStore(path, cfg.TrackingStoreType)
 	if err != nil {
 		return nil, err
 	}
 
 	// the liveset env
-	env, err := NewLiveSetEnv(path, cfg.LiveSetType)
+	env, err := OpenLiveSetEnv(path, cfg.LiveSetType)
 	if err != nil {
-		snoop.Close() //nolint:errcheck
+		_ = snoop.Close()
 		return nil, err
 	}
 
@@ -129,7 +128,7 @@ func NewSplitStore(path string, ds dstore.Datastore, cold, hot bstore.Blockstore
 }
 
 // Blockstore interface
-func (s *SplitStore) DeleteBlock(cid cid.Cid) error {
+func (s *SplitStore) DeleteBlock(_ cid.Cid) error {
 	// afaict we don't seem to be using this method, so it's not implemented
 	return errors.New("DeleteBlock not implemented on SplitStore; don't do this Luke!") //nolint
 }
@@ -377,7 +376,7 @@ func (s *SplitStore) warmup(curTs *types.TipSet) {
 	epoch := curTs.Height()
 
 	count := int64(0)
-	err := s.cs.WalkSnapshot(context.Background(), curTs, 1, s.skipOldMsgs, s.skipMsgReceipts,
+	err := s.chain.WalkSnapshot(context.Background(), curTs, 1, s.skipOldMsgs, s.skipMsgReceipts,
 		func(cid cid.Cid) error {
 			count++
 

blockstore/splitstore/tracking.go

@@ -20,10 +20,10 @@ type TrackingStore interface {
 	Close() error
 }
 
-func NewTrackingStore(path string, trackingStoreType string) (TrackingStore, error) {
+func OpenTrackingStore(path string, trackingStoreType string) (TrackingStore, error) {
 	switch trackingStoreType {
 	case "", "bolt":
-		return NewBoltTrackingStore(filepath.Join(path, "snoop.bolt"))
+		return OpenBoltTrackingStore(filepath.Join(path, "snoop.bolt"))
 	default:
 		return nil, xerrors.Errorf("unknown tracking store type %s", trackingStoreType)
 	}

blockstore/splitstore/tracking_bolt.go

@@ -18,12 +18,12 @@ type BoltTrackingStore struct {
 
 var _ TrackingStore = (*BoltTrackingStore)(nil)
 
-func NewBoltTrackingStore(path string) (*BoltTrackingStore, error) {
-	db, err := bolt.Open(path, 0644,
-		&bolt.Options{
-			Timeout: 1 * time.Second,
-			NoSync:  true,
-		})
+func OpenBoltTrackingStore(path string) (*BoltTrackingStore, error) {
+	opts := &bolt.Options{
+		Timeout: 1 * time.Second,
+		NoSync:  true,
+	}
+	db, err := bolt.Open(path, 0644, opts)
 	if err != nil {
 		return nil, err
 	}
@@ -38,7 +38,7 @@ func NewBoltTrackingStore(path string) (*BoltTrackingStore, error) {
 	})
 
 	if err != nil {
-		db.Close() //nolint:errcheck
+		_ = db.Close()
 		return nil, err
 	}
 

blockstore/splitstore/tracking_test.go

@@ -51,7 +51,7 @@ func testTrackingStore(t *testing.T, tsType string) {
 		t.Fatal(err)
 	}
 
-	s, err := NewTrackingStore(path, tsType)
+	s, err := OpenTrackingStore(path, tsType)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -118,7 +118,7 @@ func testTrackingStore(t *testing.T, tsType string) {
 		t.Fatal(err)
 	}
 
-	s, err = NewTrackingStore(path, tsType)
+	s, err = OpenTrackingStore(path, tsType)
 	if err != nil {
 		t.Fatal(err)
 	}

node/modules/blockstore.go

@@ -74,14 +74,14 @@ func SplitBlockstore(cfg *config.Blockstore) func(lc fx.Lifecycle, r repo.Locked
 			return nil, err
 		}
 
-		ss, err := splitstore.NewSplitStore(path, ds, cold, hot,
-			&splitstore.Config{
-				TrackingStoreType:    cfg.Splitstore.TrackingStoreType,
-				LiveSetType:          cfg.Splitstore.LiveSetType,
-				EnableFullCompaction: cfg.Splitstore.EnableFullCompaction,
-				EnableGC:             cfg.Splitstore.EnableGC,
-				Archival:             cfg.Splitstore.Archival,
-			})
+		cfg := &splitstore.Config{
+			TrackingStoreType:    cfg.Splitstore.TrackingStoreType,
+			LiveSetType:          cfg.Splitstore.LiveSetType,
+			EnableFullCompaction: cfg.Splitstore.EnableFullCompaction,
+			EnableGC:             cfg.Splitstore.EnableGC,
+			Archival:             cfg.Splitstore.Archival,
+		}
+		ss, err := splitstore.Open(path, ds, hot, cold, cfg)
 		if err != nil {
 			return nil, err
 		}