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// SPDX-License-Identifier: MIT
//
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pragma solidity ^0.8.10;

import "@openzeppelin/contracts/proxy/beacon/IBeacon.sol";
import "@openzeppelin/contracts/utils/Address.sol";

import "./mixin/PermissionConstants.sol";
import "./interfaces/IHookProtocol.sol";

/// @dev This contract is used in conjunction with one or more instances of {BeaconProxy} to determine their
/// implementation contract, which is where they will delegate all function calls.
///
/// An owner is able to change the implementation the beacon points to, thus upgrading the proxies that use this beacon.
/// Ownership is managed centrally on the Hook protocol level, where the owner is the holder of a specific permission.
/// This permission should be used only for the purpose of upgrading the particular contract (i.e., the permissions
/// should not be reused).
///
/// This contract is deliberately simple and only has one non-view
/// method - `upgrade`. Timelocks or other upgrade conditions will be managed by
/// the owner of this contract.
/// This contract is based on the UpgradeableBeaconContract from OZ and DharmaUpgradeBeaconController from Dharma
contract HookUpgradeableBeacon is IBeacon, PermissionConstants {
  using Address for address;
  address private _implementation;
  IHookProtocol private _protocol;
  bytes32 private _role;

  /// @dev Emitted when the implementation returned by the beacon is changed.
  event Upgraded(address indexed implementation);

  /// @dev Sets the address of the initial implementation, and the deployer account as the owner who can upgrade the
  /// beacon.
  constructor(
    address implementation_,
    address hookProtocol,
    bytes32 upgraderRole
  ) {
    require(
      Address.isContract(hookProtocol),
      "UpgradeableBeacon: hookProtocol is not a contract"
    );

    require(
      upgraderRole == VAULT_UPGRADER || upgraderRole == CALL_UPGRADER,
      "upgrader role must be vault or call upgrader"
    );
    _setImplementation(implementation_);
    _protocol = IHookProtocol(hookProtocol);
    _role = upgraderRole;
  }

  /// @dev Throws if called by any account other than the owner.
  modifier onlyOwner() {
    require(
      _protocol.hasRole(_role, msg.sender),
      "HookUpgradeableBeacon: caller does not have the required upgrade permissions"
    );
    _;
  }

  /// @dev Returns the current implementation address.
  function implementation() external view virtual override returns (address) {
    return _implementation;
  }

  /// @dev Upgrades the beacon to a new implementation.
  ///
  /// Emits an {Upgraded} event.
  ///
  /// Requirements:
  ///
  /// - msg.sender must be the owner of the contract.
  /// - `newImplementation` must be a contract.
  function upgradeTo(address newImplementation) external virtual onlyOwner {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /// @dev Sets the implementation contract address for this beacon
  ///
  /// Requirements:
  ///
  /// - `newImplementation` must be a contract.
  function _setImplementation(address newImplementation) private {
    require(
      Address.isContract(newImplementation),
      "HookUpgradeableBeacon: implementation is not a contract"
    );
    _implementation = newImplementation;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
//
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pragma solidity ^0.8.10;

import "@openzeppelin/contracts/access/IAccessControl.sol";

/// @title HookProtocol configuration and access control repository
/// @author Jake [email protected]
/// @custom:coauthor Regynald [email protected]
///
/// @dev it is critically important that the particular protocol implementation
/// is correct as, if it is not, all assets contained within protocol contracts
/// can be easily compromised.
interface IHookProtocol is IAccessControl {
  /// @notice the address of the deployed CoveredCallFactory used by the protocol
  function coveredCallContract() external view returns (address);

  /// @notice the address of the deployed VaultFactory used by the protocol
  function vaultContract() external view returns (address);

  /// @notice callable function that reverts when the protocol is paused
  function throwWhenPaused() external;

  /// @notice the standard weth address on this chain
  /// @dev these are values for popular chains:
  /// mainnet: 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
  /// kovan: 0xd0a1e359811322d97991e03f863a0c30c2cf029c
  /// ropsten: 0xc778417e063141139fce010982780140aa0cd5ab
  /// rinkeby: 0xc778417e063141139fce010982780140aa0cd5ab
  /// @return the weth address
  function getWETHAddress() external view returns (address);

  /// @notice get a configuration flag with a specific key for a collection
  /// @param collectionAddress the collection for which to lookup a configuration flag
  /// @param conf the config identifier for the configuration flag
  /// @return the true or false value of the config
  function getCollectionConfig(address collectionAddress, bytes32 conf)
    external
    view
    returns (bool);
}

// SPDX-License-Identifier: MIT
//
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pragma solidity ^0.8.10;

/// @notice roles on the hook protocol that can be read by other contract
/// @dev new roles here should be initialized in the constructor of the protocol
abstract contract PermissionConstants {
  /// ----- ROLES --------

  /// @notice the allowlister is able to enable and disable projects to mint instruments
  bytes32 public constant ALLOWLISTER_ROLE = keccak256("ALLOWLISTER_ROLE");

  /// @notice the pauser is able to start and pause various components of the protocol
  bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");

  /// @notice the vault upgrader role is able to upgrade the implementation for all vaults
  bytes32 public constant VAULT_UPGRADER = keccak256("VAULT_UPGRADER");

  /// @notice the call upgrader role is able to upgrade the implementation of the covered call options
  bytes32 public constant CALL_UPGRADER = keccak256("CALL_UPGRADER");

  /// @notice the market configuration role allows the actor to make changes to how the market operates
  bytes32 public constant MARKET_CONF = keccak256("MARKET_CONF");

  /// @notice the collection configuration role allows the actor to make changes the collection
  /// configs on the protocol contract
  bytes32 public constant COLLECTION_CONF = keccak256("COLLECTION_CONF");
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 10
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"address","name":"hookProtocol","type":"address"},{"internalType":"bytes32","name":"upgraderRole","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[],"name":"ALLOWLISTER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"CALL_UPGRADER","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"COLLECTION_CONF","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MARKET_CONF","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PAUSER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VAULT_UPGRADER","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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