added leader-slot-addresses to SlotWatcher

cmd/solana_exporter/exporter.go

@@ -35,8 +35,8 @@ type solanaCollector struct {
 	rpcClient rpc.Provider
 
 	// config:
-	slotPace         time.Duration
-	balanceAddresses []string
+	slotPace            time.Duration
+	balanceAddresses    []string
 	leaderSlotAddresses []string
 
 	/// descriptors:
@@ -243,7 +243,7 @@ func main() {
 
 	collector := NewSolanaCollector(*rpcAddr, balAddresses, lsAddresses)
 
-	slotWatcher := SlotWatcher{client: collector.rpcClient}
+	slotWatcher := NewCollectorSlotWatcher(collector)
 	go slotWatcher.WatchSlots(context.Background(), collector.slotPace)
 
 	prometheus.MustRegister(collector)

cmd/solana_exporter/slots.go

@@ -18,6 +18,8 @@ const (
 type SlotWatcher struct {
 	client rpc.Provider
 
+	leaderSlotAddresses []string
+
 	// currentEpoch is the current epoch we are watching
 	currentEpoch int64
 	// firstSlot is the first slot [inclusive] of the current epoch which we are watching
@@ -71,6 +73,10 @@ var (
 	)
 )
 
+func NewCollectorSlotWatcher(collector *solanaCollector) *SlotWatcher {
+	return &SlotWatcher{client: collector.rpcClient, leaderSlotAddresses: collector.leaderSlotAddresses}
+}
+
 func init() {
 	prometheus.MustRegister(totalTransactionsTotal)
 	prometheus.MustRegister(confirmedSlotHeight)

cmd/solana_exporter/slots_test.go

@@ -92,7 +92,7 @@ func TestSolanaCollector_WatchSlots_Static(t *testing.T) {
 	leaderSlotsByEpoch.Reset()
 
 	collector := createSolanaCollector(&staticRPCClient{}, 100*time.Millisecond, identities, []string{})
-	watcher := SlotWatcher{client: collector.rpcClient}
+	watcher := NewCollectorSlotWatcher(collector)
 	prometheus.NewPedanticRegistry().MustRegister(collector)
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()