server+htlcswitch: auto compact sphinx DB too

htlcswitch/decayedlog.go

@@ -51,7 +51,7 @@ type DecayedLog struct {
 	started int32 // To be used atomically.
 	stopped int32 // To be used atomically.
 
-	dbPath string
+	cfg *kvdb.BoltBackendConfig
 
 	db kvdb.Backend
 
@@ -64,16 +64,24 @@ type DecayedLog struct {
 // NewDecayedLog creates a new DecayedLog, which caches recently seen hash
 // shared secrets. Entries are evicted as their cltv expires using block epochs
 // from the given notifier.
-func NewDecayedLog(dbPath string,
+func NewDecayedLog(dbPath, dbFileName string, boltCfg *kvdb.BoltConfig,
 	notifier chainntnfs.ChainNotifier) *DecayedLog {
 
+	cfg := &kvdb.BoltBackendConfig{
+		DBPath:            dbPath,
+		DBFileName:        dbFileName,
+		NoFreelistSync:    true,
+		AutoCompact:       boltCfg.AutoCompact,
+		AutoCompactMinAge: boltCfg.AutoCompactMinAge,
+	}
+
 	// Use default path for log database
 	if dbPath == "" {
-		dbPath = defaultDbDirectory
+		cfg.DBPath = defaultDbDirectory
 	}
 
 	return &DecayedLog{
-		dbPath:   dbPath,
+		cfg:      cfg,
 		notifier: notifier,
 		quit:     make(chan struct{}),
 	}
@@ -89,9 +97,7 @@ func (d *DecayedLog) Start() error {
 
 	// Open the boltdb for use.
 	var err error
-	d.db, err = kvdb.Create(
-		kvdb.BoltBackendName, d.dbPath, true,
-	)
+	d.db, err = kvdb.GetBoltBackend(d.cfg)
 	if err != nil {
 		return fmt.Errorf("could not open boltdb: %v", err)
 	}