Introduce a Blank controller for unsported endpoints

controllers/blank.ctrl.go

@@ -0,0 +1,31 @@
+package controllers
+
+import (
+	"net/http"
+
+	"github.com/getAlby/lndhub.go/lib/service"
+	"github.com/labstack/echo/v4"
+)
+
+// BlankController : Controller for endpoints that we do not support and simply return
+//            a blank response for compatibility
+
+// GetBtcController : GetBtcController struct
+type BlankController struct{}
+
+func NewBlankController(svc *service.LndhubService) *BlankController {
+	return &BlankController{}
+}
+
+// We do NOT support onchain transactions thus we only return an empty array for backwards compatibility
+func (controller *BlankController) GetBtc(c echo.Context) error {
+	addresses := []string{}
+
+	return c.JSON(http.StatusOK, &addresses)
+}
+
+func (controller *BlankController) GetPending(c echo.Context) error {
+	addresses := []string{}
+
+	return c.JSON(http.StatusOK, &addresses)
+}