const int OP_UPDATE_GUARDIAN_SET = 1;
const int OP_UPDATE_PRICE_FEEDS = 2;
const int OP_EXECUTE_GOVERNANCE_ACTION = 3;
const int OP_UPGRADE_CONTRACT = 4;
const int OP_PARSE_PRICE_FEED_UPDATES = 5;
const int OP_PARSE_UNIQUE_PRICE_FEED_UPDATES = 6;

;; Response op codes
const int OP_RESPONSE_SUCCESS = 0x10001;
const int OP_RESPONSE_ERROR = 0x10002;
