fix(eventindexer): missing swap route (#14126)

packages/eventindexer/http/user_swapped_on_taiko.go

@@ -0,0 +1,32 @@
+package http
+
+import (
+	"net/http"
+
+	"github.com/cyberhorsey/webutils"
+	"github.com/labstack/echo/v4"
+	"github.com/taikoxyz/taiko-mono/packages/eventindexer"
+)
+
+func (srv *Server) UserSwappedOnTaiko(c echo.Context) error {
+	event, err := srv.eventRepo.FirstByAddressAndEventName(
+		c.Request().Context(),
+		c.QueryParam("address"),
+		eventindexer.EventNameSwap,
+	)
+	if err != nil {
+		return webutils.LogAndRenderErrors(c, http.StatusUnprocessableEntity, err)
+	}
+
+	var found bool = false
+
+	if event != nil {
+		found = true
+	}
+
+	return c.JSON(http.StatusOK, &galaxeAPIResponse{
+		Data: galaxeData{
+			IsOK: found,
+		},
+	})
+}