M bot.go → bot.go

@@ -84,7 +84,7 @@ parameters := ResponseParameters{}
 		if apiResp.Parameters != nil {
 			parameters = *apiResp.Parameters
 		}
-		return apiResp, Error{apiResp.Description, parameters}
+		return apiResp, Error{Code: apiResp.ErrorCode, Message: apiResp.Description, ResponseParameters: parameters}
 	}
 
 	return apiResp, nil

M types.go → types.go

@@ -949,6 +949,7 @@ }
 
 // Error is an error containing extra information returned by the Telegram API.
 type Error struct {
+	Code    int
 	Message string
 	ResponseParameters
 }