interface IGov {
  //
  // Events
  //

  //
  // View methods
  //

  /// @notice Returns the main governance address
  /// @return Main governance address
  function getGovMain() external view returns (address);

  /// @notice Returns the compensation address for the Watsons
  /// @return Watsons address
  function getWatsons() external view returns (address);

  /// @notice Returns the weight for the Watsons compensation
  /// @return Watsons compensation weight
  /// @dev Value is scaled by type(uint16).max
  function getWatsonsSherXWeight() external view returns (uint16);

  /// @notice Returns the last block number the SherX was accrued to the Watsons
  /// @return Block number
  function getWatsonsSherxLastAccrued() external view returns (uint40);

  /// @notice Returns the amount of SherX the Watsons receive per block
  /// @return Number of SherX per block
  function getWatsonsSherXPerBlock() external view returns (uint256);

  /// @notice Returns the total amount of uminted SherX for the Watsons
  /// @return SherX to be minted
  /// @dev Based on current block, last accrued and the SherX per block
  function getWatsonsUnmintedSherX() external view returns (uint256);

  /// @notice Returns the window of opportunity in blocks to unstake funds
  /// @notice Cooldown period has to be expired first to start the unstake window
  /// @return Amount of blocks
  function getUnstakeWindow() external view returns (uint40);

  /// @notice Returns the cooldown period in blocks
  /// @notice After the cooldown period funds can be unstaked
  /// @return Amount of blocks
  function getCooldown() external view returns (uint40);

  /// @notice Returns an array of tokens accounts are allowed to stake in
  /// @return Array of ERC20 tokens
  function getTokensStaker() external view returns (IERC20[] memory);

  /// @notice Returns an array of tokens that are included in the SherX as underlying
  /// @notice Registered protocols use one or more of these tokens to compensate Sherlock
  /// @return Array of ERC20 tokens
  function getTokensSherX() external view returns (IERC20[] memory);

  /// @notice Verify if a protocol is included in Sherlock
  /// @param _protocol Protocol identifier
  /// @return Boolean indicating if protocol is included
  function getProtocolIsCovered(bytes32 _protocol) external view returns (bool);

  /// @notice Returns address responsible on behalf of Sherlock for the protocol
  /// @param _protocol Protocol identifier
  /// @return Address of account
  function getProtocolManager(bytes32 _protocol) external view returns (address);

  /// @notice Returns address responsible on behalf of the protocol
  /// @param _protocol Protocol identifier
  /// @return Address of account
  /// @dev Account is able to withdraw protocol balance
  function getProtocolAgent(bytes32 _protocol) external view returns (address);

  /// @notice Get the maximum of tokens to be in the SherX array
  /// @return Max maximum amount of tokens
  function getMaxTokensSherX() external view returns (uint8);

  /// @notice Get the maximum of tokens to be in the Staker array
  /// @return Max maximum amount of tokens
  function getMaxTokensStaker() external view returns (uint8);

  /// @notice Get the maximum of protocol to be in a single pool
  /// @return Max maximum amount of protocol
  function getMaxProtocolPool() external view returns (uint8);

  //
  // State changing methods
  //

  /// @notice Set initial main governance address
  /// @param _govMain The address of the main governance
  /// @dev Diamond deployer - GovDev - is able to call this function
  function setInitialGovMain(address _govMain) external;

  /// @notice Transfer the main governance
  /// @param _govMain New address for the main governance
  function transferGovMain(address _govMain) external;

  /// @notice Set the compensation address for the Watsons
  /// @param _watsons Address for Watsons
  function setWatsonsAddress(address _watsons) external;

  /// @notice Set unstake window
  /// @param _unstakeWindow Unstake window in amount of blocks
  function setUnstakeWindow(uint40 _unstakeWindow) external;

  /// @notice Set cooldown period
  /// @param _period Cooldown period in amount of blocks
  function setCooldown(uint40 _period) external;

  /// @notice Add a new protocol to Sherlock
  /// @param _protocol Protocol identifier
  /// @param _eoaProtocolAgent Account to be registered as the agent
  /// @param _eoaManager Account to be registered as the manager
  /// @param _tokens Initial array of tokens the protocol is allowed to pay in
  /// @dev _tokens should first be initialized by calling tokenInit()
  function protocolAdd(
    bytes32 _protocol,
    address _eoaProtocolAgent,
    address _eoaManager,
    IERC20[] memory _tokens
  ) external;

  /// @notice Update protocol agent and/or manager
  /// @param _protocol Protocol identifier
  /// @param _eoaProtocolAgent Account to be registered as the agent
  /// @param _eoaManager Account to be registered as the manager
  function protocolUpdate(
    bytes32 _protocol,
    address _eoaProtocolAgent,
    address _eoaManager
  ) external;

  /// @notice Add tokens the protocol is allowed to pay in
  /// @param _protocol Protocol identifier
  /// @param _tokens Array of tokens to be added as valid protocol payment
  /// @dev _tokens should first be initialized by calling tokenInit()
  function protocolDepositAdd(bytes32 _protocol, IERC20[] memory _tokens) external;

  /// @notice Remove protocol from the Sherlock registry
  /// @param _protocol Protocol identifier
  function protocolRemove(bytes32 _protocol) external;

  /// @notice Initialize a new token
  /// @param _token Address of the token
  /// @param _govPool Account responsible for the token
  /// @param _lock Corresponding lock token, indicating staker token
  /// @param _isProtocolPremium Boolean indicating if token should be registered as protocol payment
  /// @dev Token can be reinitialiezd
  /// @dev Zero address for _lock will not enable stakers to deposit with the _token
  function tokenInit(
    IERC20 _token,
    address _govPool,
    ILock _lock,
    bool _isProtocolPremium
  ) external;

  /// @notice Disable a token for stakers
  /// @param _token Address of the token
  /// @param _index Index of the token in storage array
  function tokenDisableStakers(IERC20 _token, uint256 _index) external;

  /// @notice Disable a token for protocols
  /// @param _token Address of the token
  /// @param _index Index of the token in storage array
  /// @dev Removes the token as underlying from SherX
  function tokenDisableProtocol(IERC20 _token, uint256 _index) external;

  /// @notice Unload tokens from Sherlock
  /// @param _token Address of the token
  /// @param _native Contract being used to swap existing token in Sherlock
  /// @param _remaining Account used to send the unallocated SherX and remaining balance for _token
  function tokenUnload(
    IERC20 _token,
    IRemove _native,
    address _remaining
  ) external;

  /// @notice Remove a token from storage
  /// @param _token Address of the token
  function tokenRemove(IERC20 _token) external;

  /// @notice Set the maximum of tokens to be in the SherX array
  /// @param _max maximum amount of tokens
  function setMaxTokensSherX(uint8 _max) external;

  /// @notice Set the maximum of tokens to be in the Staker array
  /// @param _max maximum amount of tokens
  function setMaxTokensStaker(uint8 _max) external;

  /// @notice Set the maximum of protocol to be in a single pool
  /// @param _max maximum amount of protocol
  function setMaxProtocolPool(uint8 _max) external;
}
/// @title Sherlock Main Governance
/// @author Evert Kors
/// @notice This contract is used for managing tokens, protocols and more in Sherlock
/// @dev Contract is meant to be included as a facet in the diamond
/// @dev Storage library is used
function getWatsonsSherXWeight() external view returns (uint16);
/// @notice Returns the weight for the Watsons compensation
/// @return Watsons compensation weight
/// @dev Value is scaled by type(uint16).max