API: add stats flag to contracts endpoint (#966)

cmd/api/handlers/contract.go

@@ -32,6 +32,11 @@ func GetContract() gin.HandlerFunc {
 			return
 		}
 
+		var args withStatsRequest
+		if err := c.BindQuery(&args); handleError(c, ctx.Storage, err, http.StatusNotFound) {
+			return
+		}
+
 		contract, err := ctx.Contracts.Get(req.Address)
 		if err != nil {
 			if ctx.Storage.IsRecordNotFound(err) {
@@ -44,11 +49,19 @@ func GetContract() gin.HandlerFunc {
 
 		ctxs := c.MustGet("contexts").(config.Contexts)
 
-		res, err := contractWithStatsPostprocessing(ctxs, ctx, contract)
-		if handleError(c, ctx.Storage, err, 0) {
-			return
+		if args.HasStats() {
+			res, err := contractWithStatsPostprocessing(ctxs, ctx, contract)
+			if handleError(c, ctx.Storage, err, 0) {
+				return
+			}
+			c.SecureJSON(http.StatusOK, res)
+		} else {
+			res, err := contractPostprocessing(ctx, contract)
+			if handleError(c, ctx.Storage, err, 0) {
+				return
+			}
+			c.SecureJSON(http.StatusOK, res)
 		}
-		c.SecureJSON(http.StatusOK, res)
 	}
 }
 

cmd/api/handlers/requests.go

@@ -33,6 +33,15 @@ type getContractCodeRequest struct {
 	Level    int64  `form:"level,omitempty"`
 }
 
+type withStatsRequest struct {
+	Stats *bool `form:"stats,omitempty" binding:"omitempty"`
+}
+
+// HasStats -
+func (req withStatsRequest) HasStats() bool {
+	return req.Stats == nil || *req.Stats
+}
+
 type networkQueryRequest struct {
 	Network string `form:"network,omitempty" binding:"omitempty,network"`
 }