diff --git a/expensive/lightning.go b/expensive/lightning.go
index 845a3f5..d651298 100644
--- a/expensive/lightning.go
+++ b/expensive/lightning.go
@@ -74,5 +74,5 @@ func checkInvoicePaidOk(pubkey string) bool {
 	})
 	result, _ := cln.Rpc(r.CLNRune, "listinvoices", string(jparams))
 
-	return gjson.Get(result, "invoices.0.paid").String() == "paid"
+	return gjson.Get(result, "result.invoices.0.status").String() == "paid"
 }
diff --git a/expensive/main.go b/expensive/main.go
index b843430..b8de4db 100644
--- a/expensive/main.go
+++ b/expensive/main.go
@@ -9,6 +9,7 @@ import (
 	"github.com/fiatjaf/relayer"
 	"github.com/fiatjaf/relayer/storage/postgresql"
 	"github.com/kelseyhightower/envconfig"
+	_ "github.com/lib/pq"
 )
 
 type Relay struct {
@@ -17,6 +18,8 @@ type Relay struct {
 	CLNHost          string `envconfig:"CLN_HOST"`
 	CLNRune          string `envconfig:"CLN_RUNE"`
 	TicketPriceSats  int64  `envconfig:"TICKET_PRICE_SATS"`
+
+	db *postgresql.PostgresBackend
 }
 
 var r = &Relay{}
@@ -26,7 +29,7 @@ func (r *Relay) Name() string {
 }
 
 func (r *Relay) Storage() relayer.Storage {
-	return &postgresql.PostgresBackend{DatabaseURL: r.PostgresDatabase}
+	return r.db
 }
 
 func (r *Relay) Init() error {
@@ -35,6 +38,8 @@ func (r *Relay) Init() error {
 		return fmt.Errorf("couldn't process envconfig: %w", err)
 	}
 
+	r.db = &postgresql.PostgresBackend{DatabaseURL: r.PostgresDatabase}
+
 	// every hour, delete all very old events
 	go func() {
 		db := r.Storage().(*postgresql.PostgresBackend)
@@ -45,11 +50,13 @@ func (r *Relay) Init() error {
 		}
 	}()
 
+	return nil
+}
+
+func (r *Relay) OnInitialized() {
 	// special handlers
 	relayer.Router.Path("/").HandlerFunc(handleWebpage)
 	relayer.Router.Path("/invoice").HandlerFunc(handleInvoice)
-
-	return nil
 }
 
 func (r *Relay) AcceptEvent(evt *nostr.Event) bool {
diff --git a/go.mod b/go.mod
index 9d19576..8f8b078 100644
--- a/go.mod
+++ b/go.mod
@@ -12,6 +12,7 @@ require (
 	github.com/jb55/lnsocket/go v0.0.0-20220725174341-b98b5cd37bb6
 	github.com/jmoiron/sqlx v1.3.1
 	github.com/kelseyhightower/envconfig v1.4.0
+	github.com/lib/pq v1.10.3
 	github.com/mmcdole/gofeed v1.1.3
 	github.com/rif/cache2go v1.0.0
 	github.com/rs/cors v1.7.0
diff --git a/go.sum b/go.sum
index 132ea24..4e5e16f 100644
--- a/go.sum
+++ b/go.sum
@@ -270,6 +270,7 @@ github.com/labstack/echo/v4 v4.1.11/go.mod h1:i541M3Fj6f76NZtHSj7TXnyM8n2gaodfvf
 github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k=
 github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.10.3 h1:v9QZf2Sn6AmjXtQeFpdoq/eaNtYP6IN+7lcrygsIAtg=
+github.com/lib/pq v1.10.3/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lightninglabs/gozmq v0.0.0-20191113021534-d20a764486bf h1:HZKvJUHlcXI/f/O0Avg7t8sqkPo78HFzjmeYFl6DPnc=
 github.com/lightninglabs/gozmq v0.0.0-20191113021534-d20a764486bf/go.mod h1:vxmQPeIQxPf6Jf9rM8R+B4rKBqLA2AjttNxkFBL2Plk=
 github.com/lightninglabs/neutrino v0.14.2 h1:yrnZUCYMZ5ECtXhgDrzqPq2oX8awoAN2D/cgCewJcCo=
diff --git a/interface.go b/interface.go
index acb8503..7678166 100644
--- a/interface.go
+++ b/interface.go
@@ -10,6 +10,7 @@ var Log = log
 type Relay interface {
 	Name() string
 	Init() error
+	OnInitialized()
 	AcceptEvent(*nostr.Event) bool
 	Storage() Storage
 }
diff --git a/start.go b/start.go
index 295a237..a8412ac 100644
--- a/start.go
+++ b/start.go
@@ -29,9 +29,6 @@ func Start(relay Relay) {
 		log.Panic().Err(err).Msg("couldn't process envconfig")
 	}
 
-	// expose this Log instance so implementations can use it
-	Log = log.With().Str("name", relay.Name()).Logger()
-
 	// allow implementations to do initialization stuff
 	if err := relay.Init(); err != nil {
 		Log.Fatal().Err(err).Msg("failed to start")
@@ -43,6 +40,9 @@ func Start(relay Relay) {
 		return
 	}
 
+	// expose this Log instance so implementations can use it
+	Log = log.With().Str("name", relay.Name()).Logger()
+
 	// catch the websocket call before anything else
 	Router.Path("/").Headers("Upgrade", "websocket").HandlerFunc(handleWebsocket(relay))
 
@@ -58,6 +58,8 @@ func Start(relay Relay) {
 		}()
 	}
 
+	relay.OnInitialized()
+
 	// start http server
 	srv := &http.Server{
 		Handler:           cors.Default().Handler(Router),