Subscriptions: Add List.Enabled

exchanges/subscription/list.go

@@ -113,3 +113,14 @@ func (l List) assetPairs(e iExchange) (assetPairs, error) {
 	}
 	return ap, nil
 }
+
+// Enabled returns a new list of only enabled subscriptions
+func (l List) Enabled() List {
+	n := make(List, 0, len(l))
+	for _, s := range l {
+		if s.Enabled {
+			n = append(n, s)
+		}
+	}
+	return slices.Clip(n)
+}

exchanges/subscription/list_test.go

@@ -106,3 +106,12 @@ func TestListClone(t *testing.T) {
 	l[0].Interval = kline.OneHour
 	assert.NotEqual(t, n[0], l[0], "Subscriptions should be cloned")
 }
+
+func TestListEnabled(t *testing.T) {
+	t.Parallel()
+	l := List{{Channel: TickerChannel}, {Enabled: true, Channel: OrderbookChannel}, {Channel: MyAccountChannel}}
+	n := l.Enabled()
+	require.Len(t, l, 3, "Original should not be effected")
+	require.Len(t, n, 1, "New should be filtered")
+	require.Equal(t, OrderbookChannel, n[0].Channel, "New should be filtered")
+}