feat: items request count limit

fix: migrations
feat: error on items request count=0

cmd/server/main.go

@@ -36,7 +36,7 @@ func doMigrate() error {
 	}
 
 	err = m.Up()
-	if err != nil {
+	if err != nil && err != migrate.ErrNoChange {
 		return err
 	}
 

http/handler.go

@@ -18,6 +18,8 @@ import (
 	"github.com/xssnick/tonutils-go/tvm/cell"
 )
 
+const ITEMS_LIMIT = 10000
+
 type Handler struct {
 	StateProvider provider.StateProvider
 	NodeProvider  provider.NodeProvider
@@ -69,8 +71,8 @@ func (h *Handler) getItemsInternal(from uint64, count uint64) (*ItemsResponse, e
 }
 
 type ItemsRequest struct {
-	From  uint64 `param:"from"`
-	Count uint64 `param:"count"`
+	From  uint64 `query:"from"`
+	Count uint64 `query:"count"`
 }
 
 type ItemsResponse struct {
@@ -86,6 +88,15 @@ func (h *Handler) getItems(c echo.Context) error {
 		return c.String(http.StatusBadRequest, "bad request")
 	}
 
+	if ir.Count == 0 {
+		log.Error().Msg("items request has count set to 0")
+		return c.String(http.StatusBadRequest, "bad request")
+	}
+
+	if ir.Count > ITEMS_LIMIT {
+		ir.Count = ITEMS_LIMIT
+	}
+
 	resp, err := h.getItemsInternal(ir.From, ir.Count)
 	if err != nil {
 		log.Err(err).Msg("could not get items")

http/http.go

@@ -9,7 +9,7 @@ import (
 func (h *Handler) RegisterHandlers(e *echo.Echo) {
 	v1 := e.Group("/v1")
 
-	v1.GET("/items/:from/:count", h.getItems)
+	v1.GET("/items", h.getItems)
 	v1.GET("/item/:index", h.getItem)
 	v1.GET("/state", h.getState)