BreakerBox.sol

/**
 * @title   BreakerBox
 * @notice  The BreakerBox checks the criteria defined in separate breaker contracts
 *          to determine whether or not buying or selling should be allowed for a
 *          specified rateFeedIDs. The contract stores references to all breakers
 *          that hold criteria to be checked, rateFeedIDs that
 *          can make use of the BreakerBox & their current trading.
 */
contract BreakerBox is IBreakerBox, Ownable {
  using SafeMath for uint256;

  /* ==================== State Variables ==================== */

  address[] public rateFeedIDs;

  // Maps a rate feed to a boolean indicating whether it has been added to the BreakerBox.
  mapping(address => bool) public rateFeedStatus;

  // Maps a rate feed to its breakers and their breaker status. (rateFeedID => (breaker => BreakerStatus)
  mapping(address => mapping(address => BreakerStatus)) public rateFeedBreakerStatus;

  // Maps a rate feed to the associated trading mode.
  mapping(address => uint8) public rateFeedTradingMode;

  // Maps a rate feed to its dependent rate feeds.
  mapping(address => address[]) public rateFeedDependencies;

  // Maps a breaker to the associated trading mode it should activate when triggered.
  mapping(address => uint8) public breakerTradingMode;

  // List of breakers to be checked.
  address[] public breakers;

  // Address of the Mento SortedOracles contract
  ISortedOracles public sortedOracles;
  
  // -- Code omitted for brevity -- //
  
  }