Contract

// SPDX-License-Identifier: BUSL 1.0
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title PublicMintByMetadrop.sol. This contract is the public mint primary sale contract
 * from the metadrop deployment platform
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "./IPublicMintByMetadrop.sol";
import "../PrimarySaleModule.sol";

/**
 *
 * @dev Inheritance details:
 *      PrimarySaleModule             Platform-wide primary sale module features
 *      IPublicMintByMetadrop         Specfic interface for this primary sale module
 *
 *
 */

contract PublicMintByMetadrop is PrimarySaleModule, IPublicMintByMetadrop {
  // Mint price for the public mint.
  uint128 public publicMintPrice;

  // Max allowance per address for public mint
  uint16 public maxPublicMintPerAddress;

  // Track publicMint minting allocations:
  mapping(address => uint256) public publicMintAllocationMinted;

  /** ====================================================================================================================
   *                                              CONSTRUCTOR AND INTIIALISE
   * =====================================================================================================================
   */
  /** ____________________________________________________________________________________________________________________
   *                                                                                                        -->CONSTRUCTOR
   * @dev constructor           The constructor is not called when the contract is cloned. In this
   *                            constructor we just setup default values and set the template contract to initialised.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param epsRegister_        The EPS register address (0x888888888888660F286A7C06cfa3407d09af44B2 on most chains)
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  constructor(address epsRegister_) PrimarySaleModule(epsRegister_) {}

  /** ____________________________________________________________________________________________________________________
   *                                                                                                         -->INITIALISE
   * @dev (function) initialisePrimarySaleModule  Load configuration into storage for a new instance.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param initialInstanceOwner_  The owner for this contract. Will be used to set the owner in ERC721M and also the
   *                               platform admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param projectOwner_          The project owner for this drop. Sets the project admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param vesting_               The vesting contract used for sales proceeds from this drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param configData_            The drop specific configuration for this module. This is decoded and used to set
   *                               configuration for this metadrop drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param pauseCutoffInDays_     The maximum number of days after drop deployment that this contract can be paused
   * ---------------------------------------------------------------------------------------------------------------------
   * @param metadropOracleAddress_ The trusted metadrop signer. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageValidityInSeconds_ The validity period of a signed message. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function initialisePrimarySaleModule(
    address initialInstanceOwner_,
    address projectOwner_,
    address vesting_,
    bytes calldata configData_,
    uint256 pauseCutoffInDays_,
    address metadropOracleAddress_,
    uint80 messageValidityInSeconds_
  ) public override {
    // Decode the config:
    PublicMintConfig memory publicMintConfig = abi.decode(
      configData_,
      (PublicMintConfig)
    );

    // Set the public mint price:
    publicMintPrice = uint128(publicMintConfig.publicPrice);

    // Set max mints per address
    maxPublicMintPerAddress = uint16(publicMintConfig.maxPublicQuantity);

    // Set this phases max supply
    phaseMaxSupply = uint32(publicMintConfig.phaseMaxSupply);

    _initialisePrimarySaleModuleBase(
      initialInstanceOwner_,
      projectOwner_,
      vesting_,
      pauseCutoffInDays_,
      publicMintConfig.phaseStart,
      publicMintConfig.phaseEnd,
      publicMintConfig.phaseMaxSupply,
      metadropOracleAddress_,
      messageValidityInSeconds_
    );
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) publicMintStatus  View of public mint status
   * _____________________________________________________________________________________________________________________
   */
  function publicMintStatus() external view returns (MintStatus) {
    return phaseMintStatus();
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) publicMint  Public minting of tokens according to set config.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param quantityToMint_        The number of NFTs being minted in this call
   * ---------------------------------------------------------------------------------------------------------------------
   * @param recipient_             The address that will receive new assets
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageTimeStamp_      The timestamp of the signed message
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageHash_           The message hash signed by the trusted oracle signer. This will be checked as part of
   *                               antibot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageSignature_      The signed message from the backend oracle signer for validation as part of anti-bot
   *                               protection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function publicMint(
    uint256 quantityToMint_,
    address recipient_,
    uint256 messageTimeStamp_,
    bytes32 messageHash_,
    bytes calldata messageSignature_
  ) external payable {
    if (msg.value != (publicMintPrice * quantityToMint_))
      revert IncorrectPayment();

    // Get previous mint count and check that this quantity will not exceed the allowance.
    uint256 publicMintsForAddress;

    // If msg.sender and tx.origin are NOT the same get the largest number of mints for either
    if (msg.sender != tx.origin) {
      uint256 senderMinted = publicMintAllocationMinted[msg.sender];
      uint256 originMinted = publicMintAllocationMinted[tx.origin];
      if (senderMinted > originMinted) {
        publicMintsForAddress = senderMinted;
      } else {
        publicMintsForAddress = originMinted;
      }
    } else {
      publicMintsForAddress = publicMintAllocationMinted[msg.sender];
    }

    if (maxPublicMintPerAddress != 0) {
      if ((publicMintsForAddress + quantityToMint_) > maxPublicMintPerAddress) {
        revert MaxPublicMintAllowanceExceeded({
          requested: quantityToMint_,
          alreadyMinted: publicMintsForAddress,
          maxAllowance: maxPublicMintPerAddress
        });
      }

      publicMintAllocationMinted[msg.sender] += quantityToMint_;

      if (msg.sender != tx.origin) {
        publicMintAllocationMinted[tx.origin] += quantityToMint_;
      }
    }

    _mint(
      msg.sender,
      recipient_,
      msg.sender,
      quantityToMint_,
      publicMintPrice,
      messageTimeStamp_,
      messageHash_,
      messageSignature_
    );
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(account),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @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.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

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

    /**
     * @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 revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// 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 (interfaces/IERC1271.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 *
 * _Available since v4.1._
 */
interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param hash      Hash of the data to be signed
     * @param signature Signature byte array associated with _data
     */
    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/SignatureChecker.sol)

pragma solidity ^0.8.0;

import "./ECDSA.sol";
import "../Address.sol";
import "../../interfaces/IERC1271.sol";

/**
 * @dev Signature verification helper that can be used instead of `ECDSA.recover` to seamlessly support both ECDSA
 * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets like
 * Argent and Gnosis Safe.
 *
 * _Available since v4.1._
 */
library SignatureChecker {
    /**
     * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
     * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECDSA.recover`.
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidSignatureNow(
        address signer,
        bytes32 hash,
        bytes memory signature
    ) internal view returns (bool) {
        (address recovered, ECDSA.RecoverError error) = ECDSA.tryRecover(hash, signature);
        if (error == ECDSA.RecoverError.NoError && recovered == signer) {
            return true;
        }

        (bool success, bytes memory result) = signer.staticcall(
            abi.encodeWithSelector(IERC1271.isValidSignature.selector, hash, signature)
        );
        return (success &&
            result.length == 32 &&
            abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title AuthorityModel.sol. Library for global authority components
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

/**
 *
 * @dev Inheritance details:
 *      AccessControl           OZ access control implementation - used for authority control
 *
 */

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

contract AuthorityModel is AccessControl {
  // Platform admin: The role for platform admins. Platform admins can be added. These addresses have privileged
  // access to maintain configuration like the platform fee.
  bytes32 public constant PLATFORM_ADMIN = keccak256("PLATFORM_ADMIN");

  // Review admin: access to perform reviews of drops, in this case the authority to maintain the drop status parameter, and
  // set it from review to editable (when sending back to the project owner), or from review to approved (when)
  // the drop is ready to go).
  bytes32 public constant REVIEW_ADMIN = keccak256("REVIEW_ADMIN");

  // Project owner: This is the role for the project itself, i.e. the team that own this drop.
  bytes32 internal constant PROJECT_OWNER = keccak256("PROJECT_OWNER");

  // Address for the factory:
  address public factory;

  /** ====================================================================================================================
   *                                                        ERRORS
   * =====================================================================================================================
   */
  error CallerIsNotDefaultAdmin(address caller);
  error CallerIsNotPlatformAdmin(address caller);
  error CallerIsNotReviewAdmin(address caller);
  error CallerIsNotPlatformAdminOrProjectOwner(address caller);
  error CallerIsNotPlatformAdminOrFactory(address caller);
  error CallerIsNotProjectOwner(address caller);

  /** ====================================================================================================================
   *                                                       MODIFIERS
   * =====================================================================================================================
   */
  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyDefaultAdmin. The associated action can only be taken by an address with the
   * default admin role.
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyDefaultAdmin() {
    if (!hasRole(DEFAULT_ADMIN_ROLE, msg.sender))
      revert CallerIsNotDefaultAdmin(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyPlatformAdmin. The associated action can only be taken by an address with the
   * platform admin role.
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyPlatformAdmin() {
    if (!hasRole(PLATFORM_ADMIN, msg.sender))
      revert CallerIsNotPlatformAdmin(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyReviewAdmin. The associated action can only be taken by an address with the
   * review admin role.
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyReviewAdmin() {
    if (!hasRole(REVIEW_ADMIN, msg.sender))
      revert CallerIsNotReviewAdmin(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyPlatformAdminOrProjectOwner. The associated action can only be taken by an address with the
   * platform admin role or project owner role
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyPlatformAdminOrProjectOwner() {
    if (
      !hasRole(PLATFORM_ADMIN, msg.sender) &&
      !hasRole(PROJECT_OWNER, msg.sender)
    ) revert CallerIsNotPlatformAdminOrProjectOwner(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyProjectOwner. The associated action can only be taken by an address with the
   * project owner role.
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyProjectOwner() {
    if (!hasRole(PROJECT_OWNER, msg.sender))
      revert CallerIsNotProjectOwner(msg.sender);
    _;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (modifier) onlyFactoryOrPlatformAdmin. The associated action can only be taken by an address with the
   * platform admin role or the factory.
   *
   * _____________________________________________________________________________________________________________________
   */
  modifier onlyFactoryOrPlatformAdmin() {
    if (msg.sender != factory && !hasRole(PLATFORM_ADMIN, msg.sender))
      revert CallerIsNotPlatformAdminOrFactory(msg.sender);
    _;
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title IConfigStructures.sol. Interface for common config structures used accross the platform
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

interface IConfigStructures {
  enum DropStatus {
    approved,
    deployed,
    cancelled
  }

  enum TemplateStatus {
    live,
    terminated
  }

  enum TokenAllocationMethod {
    sequential,
    random
  }

  // The current status of the mint:
  //   - notEnabled: This type of mint is not part of this drop
  //   - notYetOpen: This type of mint is part of the drop, but it hasn't started yet
  //   - open: it's ready for ya, get in there.
  //   - finished: been and gone.
  //   - unknown: theoretically impossible.
  enum MintStatus {
    notEnabled,
    notYetOpen,
    open,
    finished,
    unknown
  }

  struct SubListConfig {
    uint256 start;
    uint256 end;
    uint256 phaseMaxSupply;
  }

  struct PrimarySaleModuleInstance {
    address instanceAddress;
    string instanceDescription;
  }

  struct NFTModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct PrimarySaleModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct VestingModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct RoyaltySplitterModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct InLifeModuleConfig {
    uint256 templateId;
    bytes configData;
  }

  struct InLifeModules {
    InLifeModuleConfig[] modules;
  }

  struct NFTConfig {
    uint256 supply;
    uint256 mintingMethod;
    bytes32 name;
    bytes32 symbol;
    bytes32 dropId;
    bytes32 positionProof;
  }

  struct DropApproval {
    DropStatus status;
    uint32 lastChangedDate;
    address dropOwnerAddress;
    bytes32 configHash;
  }

  struct Template {
    TemplateStatus status;
    uint16 templateNumber;
    uint32 loadedDate;
    address payable templateAddress;
    string templateDescription;
  }

  struct NumericOverride {
    bool isSet;
    uint248 overrideValue;
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title INFTByMetadrop.sol. Interface for metadrop NFT standard
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "../Global/IConfigStructures.sol";

interface INFTByMetadrop is IConfigStructures {
  /** ====================================================================================================================
   *                                                     EVENTS
   * =====================================================================================================================
   */
  event Revealed();
  event RandomNumberReceived(uint256 indexed requestId, uint256 randomNumber);
  event VRFPositionSet(uint256 VRFPosition);
  event PositionProofSet(bytes32 positionProof);
  event MetadropMint(
    address indexed allowanceAddress,
    address indexed recipientAddress,
    address callerAddress,
    address primarySaleModuleAddress,
    uint256 unitPrice,
    uint256[] tokenIds
  );

  /** ====================================================================================================================
   *                                                     ERRORS
   * =====================================================================================================================
   */
  error TransferFailed();
  error AlreadyInitialised();
  error MetadataIsLocked();
  error InvalidTokenAllocationMethod();
  error InvalidAddress();
  error IncorrectConfirmationValue();
  error MintingIsClosedForever();
  error VRFAlreadySet();
  error PositionProofAlreadySet();
  error MetadropFactoryOnly();
  error InvalidRecipient();
  error PauseCutOffHasPassed();
  error AdditionalAddressesCannotBeAddedToRolesUseTransferToTransferRoleToAnotherAddress();

  /** ====================================================================================================================
   *                                                    FUNCTIONS
   * =====================================================================================================================
   */

  /** ____________________________________________________________________________________________________________________
   *                                                                                                         -->INITIALISE
   * @dev (function) initialiseNFT  Load configuration into storage for a new instance.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param owner_              The owner for this contract. Will be used to set the owner in ERC721M and also the
   *                            platform admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param projectOwner_       The project owner for this drop. Sets the project admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param primarySaleModules_ The primary sale modules for this drop. These are the contract addresses that are
   *                            authorised to call mint on this contract.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param nftModule_          The drop specific configuration for this NFT. This is decoded and used to set
   *                            configuration for this metadrop drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param royaltyPaymentSplitter_  The address of the deployed royalty payment splitted for this drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param totalRoyaltyPercentage_  The total royalty percentage (project + metadrop) for this drop
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function initialiseNFT(
    address owner_,
    address projectOwner_,
    PrimarySaleModuleInstance[] calldata primarySaleModules_,
    NFTModuleConfig calldata nftModule_,
    address royaltyPaymentSplitter_,
    uint96 totalRoyaltyPercentage_,
    string[3] calldata collectionURIs_,
    uint8 pauseCutOffInDays_
  ) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->GETTER
   * @dev (function) metadropCustom  Returns if this contract is a custom NFT (true) or is a standard metadrop
   *                                 ERC721M (false)
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return isMetadropCustom_   The total minted supply of this collection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function metadropCustom() external pure returns (bool isMetadropCustom_);

  /** ____________________________________________________________________________________________________________________
   *
   * @dev (function) totalSupply  Returns total supply (minted - burned)
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return totalSupply_   The total supply of this collection (minted - burned)
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function totalSupply() external view returns (uint256 totalSupply_);

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->GETTER
   * @dev (function) totalUnminted  Returns the remaining unminted supply
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return totalUnminted_   The total unminted supply of this collection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function totalUnminted() external view returns (uint256 totalUnminted_);

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->GETTER
   * @dev (function) totalMinted  Returns the total number of tokens ever minted
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return totalMinted_   The total minted supply of this collection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function totalMinted() external view returns (uint256 totalMinted_);

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->GETTER
   * @dev (function) totalBurned  Returns the count of tokens sent to the burn address
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @return totalBurned_   The total burned supply of this collection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function totalBurned() external view returns (uint256 totalBurned_);

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (function) transferProjectOwner  Allows the current project owner to transfer this role to another address
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newProjectOwner_   New project owner
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferProjectOwner(address newProjectOwner_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                     -->ACCESS CONTROL
   * @dev (function) transferPlatformAdmin  Allows the current platform admin to transfer this role to another address
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newPlatformAdmin_   New platform admin
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferPlatformAdmin(address newPlatformAdmin_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                           -->METADATA
   * @dev (function) setURIs  Set the URI data for this contracts
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param preRevealURI_   The URI to use pre-reveal
   * ---------------------------------------------------------------------------------------------------------------------
   * @param arweaveURI_     The URI for arweave
   * ---------------------------------------------------------------------------------------------------------------------
   * @param ipfsURI_     The URI for IPFS
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setURIs(
    string calldata preRevealURI_,
    string calldata arweaveURI_,
    string calldata ipfsURI_
  ) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                           -->METADATA
   * @dev (function) lockURIsCannotBeUndone  Lock the URI data for this contract
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param confirmation_   The confirmation string
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function lockURIsCannotBeUndone(string calldata confirmation_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                       -->LOCK MINTING
   * @dev (function) setMintingCompleteForeverCannotBeUndone  Allow project owner OR platform admin to set minting
   *                                                          complete
   *
   * @notice Enter confirmation value of "MintingComplete" to confirm that you are closing minting.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param confirmation_  Confirmation string
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setMintingCompleteForeverCannotBeUndone(
    string calldata confirmation_
  ) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->REVEAL
   * @dev (function) revealCollection  Set the collection to revealed
   *
   * _____________________________________________________________________________________________________________________
   */
  function revealCollection() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->REVEAL
   * @dev (function) setPositionProof  Set the metadata position proof
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param positionProof_  The metadata proof
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setPositionProof(bytes32 positionProof_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                           -->METADATA
   * @dev (function) setUseArweave  Guards against either arweave or IPFS being no more
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param useArweave_   Boolean to indicate whether arweave should be used or not (true = use arweave, false = use IPFS)
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setUseArweave(bool useArweave_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->ROYALTY
   * @dev (function) setDefaultRoyalty  Set the royalty percentage
   *
   * @notice - we have specifically NOT implemented the ability to have different royalties on a token by token basis.
   * This reduces the complexity of processing on multi-buys, and also avoids challenges to decentralisation (e.g. the
   * project targetting one users tokens with larger royalties)
   * ---------------------------------------------------------------------------------------------------------------------
   * @param recipient_   Royalty receiver
   * ---------------------------------------------------------------------------------------------------------------------
   * @param fraction_   Royalty fraction
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setDefaultRoyalty(address recipient_, uint96 fraction_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->ROYALTY
   * @dev (function) deleteDefaultRoyalty  Delete the royalty percentage claimed
   *
   * _____________________________________________________________________________________________________________________
   */
  function deleteDefaultRoyalty() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) metadropMint  Mint tokens. Can only be called from a valid primary market contract
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param caller_                The address that has called mint through the primary sale module.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param recipient_             The address that will receive new assets.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param allowanceAddress_      The address that has an allowance being used in this mint. This will be the same as the
   *                               calling address in almost all cases. An example of when they may differ is in a list
   *                               mint where the caller is a delegate of another address with an allowance in the list.
   *                               The caller is performing the mint, but it is the allowance for the allowance address
   *                               that is being checked and decremented in this mint.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param quantityToMint_   The quantity of tokens to be minted
   * ---------------------------------------------------------------------------------------------------------------------
   * @param unitPrice_        The unit price for each token
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function metadropMint(
    address caller_,
    address recipient_,
    address allowanceAddress_,
    uint256 quantityToMint_,
    uint256 unitPrice_
  ) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->REVEAL
   * @dev (function) setStartPosition  Get the metadata start position for use on reveal of this collection
   * _____________________________________________________________________________________________________________________
   */
  function setStartPosition() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->REVEAL
   * @dev (function) fulfillRandomWords  Callback from the chainlinkv2 oracle (on factory) with randomness
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param requestId_      The Id of this request (this contract will submit a single request)
   * ---------------------------------------------------------------------------------------------------------------------
   * @param randomWords_   The random words returned from chainlink
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function fulfillRandomWords(
    uint256 requestId_,
    uint256[] memory randomWords_
  ) external;
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title IPrimarySaleModule.sol. Interface for base primary sale module contract
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

import "../NFT/INFTByMetadrop.sol";
import "../ThirdParty/EPS/EPSDelegationRegister/IEPSDelegationRegister.sol";

interface IPrimarySaleModule is IConfigStructures {
  /** ====================================================================================================================
   *                                                       ERRORS
   * =====================================================================================================================
   */
  error AlreadyInitialised();
  error AddressAlreadySet();
  error ThisMintIsClosed();
  error IncorrectPayment();
  error InvalidOracleSignature();
  error QuantityExceedsPhaseRemainingSupply(
    uint256 requested,
    uint256 remaining
  );
  error ParametersDoNotMatchSignedMessage();
  error TransferFailed();
  error OracleSignatureHasExpired();
  error CannotSetToZeroAddress();

  /** ====================================================================================================================
   *                                                      FUNCTIONS
   * =====================================================================================================================
   */
  /** ____________________________________________________________________________________________________________________
   *                                                                                                         -->INITIALISE
   * @dev (function) initialisePrimarySaleModule  Defined here and must be overriden in child contracts
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param initialInstanceOwner_  The owner for this contract. Will be used to set the owner in ERC721M and also the
   *                               platform admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param projectOwner_          The project owner for this drop. Sets the project admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param vesting_               The vesting contract used for sales proceeds from this drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param configData_            The drop specific configuration for this module. This is decoded and used to set
   *                               configuration for this metadrop drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param pauseCutoffInDays_     The maximum number of days after drop deployment that this contract can be paused
   * ---------------------------------------------------------------------------------------------------------------------
   * @param metadropOracleAddress_ The trusted metadrop signer. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageValidityInSeconds_ The validity period of a signed message. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function initialisePrimarySaleModule(
    address initialInstanceOwner_,
    address projectOwner_,
    address vesting_,
    bytes calldata configData_,
    uint256 pauseCutoffInDays_,
    address metadropOracleAddress_,
    uint80 messageValidityInSeconds_
  ) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->SETUP
   * @dev (function) setNFTAddress    Set the NFT contract for this drop
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param nftContract_           The deployed NFT contract
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setNFTAddress(address nftContract_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->SETUP
   * @dev (function) phaseMintStatus    The status of the deployed primary sale module
   * _____________________________________________________________________________________________________________________
   */
  function phaseMintStatus() external view returns (MintStatus status);

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->FINANCE
   * @dev (function) withdrawETH      A withdraw function to allow ETH to be withdrawn to the vesting contract.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param amount_             Theamount to withdraw
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function withdrawETH(uint256 amount_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->FINANCE
   * @dev (function) withdrawContractETHBalance      A withdraw function to allow  all ETH to be withdrawn to vesting.
   * _____________________________________________________________________________________________________________________
   */
  function withdrawContractETHBalance() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->FINANCE
   * @dev (function) withdrawERC20     A withdraw function to allow ERC20s to be withdrawn to the vesting contract.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param token_             The token to withdraw
   * ---------------------------------------------------------------------------------------------------------------------
   * @param amount_             The amount to withdraw
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function withdrawERC20(IERC20 token_, uint256 amount_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->ACCESS
   * @dev (function) transferProjectOwner    Allows the current project owner to transfer this role to another address,
   * therefore being the equivalent of 'transfer owner'
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newProjectOwner_         The new project owner address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferProjectOwner(address newProjectOwner_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->ACCESS
   * @dev (function) transferPlatformAdmin    Allows the current platform admin to transfer this role to another address,
   * therefore being the equivalent of 'transfer owner'
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newPlatformAdmin_         The new platform admin address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferPlatformAdmin(address newPlatformAdmin_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setMetadropOracleAddress   Allow platform admin to update trusted oracle address
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param metadropOracleAddress_         The new metadrop oracle address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setMetadropOracleAddress(address metadropOracleAddress_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setVestingContractAddress     Allow platform admin to update vesting contract
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param vestingContract_         The new vesting contract address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setVestingContractAddress(address vestingContract_) external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setAntiSybilOff     Allow platform admin to turn off anti-sybil protection
   * _____________________________________________________________________________________________________________________
   */
  function setAntiSybilOff() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setAntiSybilOff     Allow platform admin to turn ON anti-sybil protection
   * _____________________________________________________________________________________________________________________
   */
  function setAntiSybilOn() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setEPSOff    Allow platform admin to turn off EPS
   * _____________________________________________________________________________________________________________________
   */
  function setEPSOff() external;

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setEPSOff    Allow platform admin to turn ON EPS
   * _____________________________________________________________________________________________________________________
   */
  function setEPSOn() external;
}

// SPDX-License-Identifier: BUSL 1.0
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title PrimarySaleModule.sol. This contract is the base primary sale module contract
 * for the metadrop drop platform. All primary sale modules inherit from this contract
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

import "./IPrimarySaleModule.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "../Global/AuthorityModel.sol";

/**
 *
 * @dev Inheritance details:
 *      IPrimarySaleModule         Interface for this module
 *      Pausable                   Allow modules to be paused
 *      AccessControl              Implement OZ access control for privileged access
 *
 *
 */

contract PrimarySaleModule is IPrimarySaleModule, Pausable, AuthorityModel {
  using Strings for uint256;

  // EPS Register
  IEPSDelegationRegister public immutable epsRegister;
  // Slot 1 - NFT and phase details (pack together for warm slot reads)
  //  160
  //   32
  //   32
  //   32
  //= 256

  uint32 public phaseQuantityMinted;

  INFTByMetadrop public nftContract;

  // Start time for  minting
  uint32 public phaseStart;

  // End time for minting. Note that this can be passed as maxUint32, which is a mint
  // unlimited by time
  uint32 public phaseEnd;

  // The number of NFTs that can be minted in this phase:
  uint32 public phaseMaxSupply;

  // Slot 2 - anti-bot-proection (pack together for warm slot reads)
  //  160
  //    8
  //    8
  //   32
  //= 208

  // The metadrop admin signer used as a trusted oracle (e.g. for anti-bot protection)
  address public metadropOracleAddress;

  // Bool to indicate if we are using the oracle for anti-bot protection
  bool public useOracleToAntiSybil;

  // Bool to indicate if EPS is in use in this drop
  bool public useEPS;

  // The oracle signed message validity period:
  uint80 public messageValidityInSeconds;

  // Slot 3 - not accessed in mints
  //  160
  //   32
  //    8
  //= 200

  // The contract to which all funds route. This is a payment splitting vesting contract
  address public vestingContract;

  // Point at which contract cannot be paused:
  uint32 public pauseCutoffInDays;

  // Bool that controls initialisation and only allows it to occur ONCE. This is
  // needed as this contract is clonable, threfore the constructor is not called
  // on cloned instances. We setup state of this contract through the initialise
  // function.
  bool public initialised;

  /** ====================================================================================================================
   *                                              CONSTRUCTOR AND INTIIALISE
   * =====================================================================================================================
   */
  /** ____________________________________________________________________________________________________________________
   *                                                                                                        -->CONSTRUCTOR
   * @dev constructor           The constructor is not called when the contract is cloned. In this
   *                            constructor we just setup default values and set the template contract to initialised.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param epsRegister_        The EPS register address (0x888888888888660F286A7C06cfa3407d09af44B2 on most chains)
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  constructor(address epsRegister_) {
    epsRegister = IEPSDelegationRegister(epsRegister_);
    initialised = true;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                         -->INITIALISE
   * @dev (function) initialisePrimarySaleModule  Defined here and must be overriden in child contracts
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param initialInstanceOwner_  The owner for this contract. Will be used to set the owner in ERC721M and also the
   *                               platform admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param projectOwner_          The project owner for this drop. Sets the project admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param vesting_               The vesting contract used for sales proceeds from this drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param configData_            The drop specific configuration for this module. This is decoded and used to set
   *                               configuration for this metadrop drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param pauseCutoffInDays_     The maximum number of days after drop deployment that this contract can be paused
   * ---------------------------------------------------------------------------------------------------------------------
   * @param metadropOracleAddress_ The trusted metadrop signer. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageValidityInSeconds_ The validity period of a signed message. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function initialisePrimarySaleModule(
    address initialInstanceOwner_,
    address projectOwner_,
    address vesting_,
    bytes calldata configData_,
    uint256 pauseCutoffInDays_,
    address metadropOracleAddress_,
    uint80 messageValidityInSeconds_
  ) public virtual {
    // Must be overridden
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                         -->INITIALISE
   * @dev (function) _initialisePrimarySaleModuleBase  Base configuration load that is shared across all primary sale
   *                                                   modules
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param initialInstanceOwner_  The owner for this contract. Will be used to set the owner in ERC721M and also the
   *                               platform admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param projectOwner_          The project owner for this drop. Sets the project admin AccessControl role
   * ---------------------------------------------------------------------------------------------------------------------
   * @param vesting_               The vesting contract used for sales proceeds from this drop
   * ---------------------------------------------------------------------------------------------------------------------
   * @param pauseCutoffInDays_     The maximum number of days after drop deployment that this contract can be paused
   * ---------------------------------------------------------------------------------------------------------------------
   * @param start_                 The start date of this primary sale module
   * ---------------------------------------------------------------------------------------------------------------------
   * @param end_                   The end date of this primary sale module
   * ---------------------------------------------------------------------------------------------------------------------
   * @param phaseMaxSupply_        The max supply for this phase
   * ---------------------------------------------------------------------------------------------------------------------
   * @param metadropOracleAddress_ The trusted metadrop signer. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageValidityInSeconds_ The validity period of a signed message. This is used with anti-bot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function _initialisePrimarySaleModuleBase(
    address initialInstanceOwner_,
    address projectOwner_,
    address vesting_,
    uint256 pauseCutoffInDays_,
    uint256 start_,
    uint256 end_,
    uint256 phaseMaxSupply_,
    address metadropOracleAddress_,
    uint80 messageValidityInSeconds_
  ) internal {
    if (initialised) revert AlreadyInitialised();

    _grantRole(PLATFORM_ADMIN, initialInstanceOwner_);
    _grantRole(PROJECT_OWNER, projectOwner_);

    // If the vesting contract is address(0) then the vesting module
    // has been flagged as not required for this drop. This will almost
    // exclusively be in the case of a free drop, where there are no funds
    // to vest or split.
    // To avoid any possible loss of funds from incorrect configuation we don't
    // set the vestingContract to address(0), but rather to the platform admin
    if (vesting_ == address(0)) {
      vestingContract = initialInstanceOwner_;
    } else {
      vestingContract = vesting_;
    }

    pauseCutoffInDays = uint32(pauseCutoffInDays_);

    phaseStart = uint32(start_);
    phaseEnd = uint32(end_);
    phaseMaxSupply = uint32(phaseMaxSupply_);

    metadropOracleAddress = metadropOracleAddress_;
    messageValidityInSeconds = messageValidityInSeconds_;

    useOracleToAntiSybil = true;
    useEPS = true;
    factory = msg.sender;

    initialised = true;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->SETUP
   * @dev (function) setNFTAddress    Set the NFT contract for this drop
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param nftContract_           The deployed NFT contract
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setNFTAddress(
    address nftContract_
  ) external onlyFactoryOrPlatformAdmin {
    if (nftContract == INFTByMetadrop(address(0))) {
      nftContract = INFTByMetadrop(nftContract_);
    } else {
      revert AddressAlreadySet();
    }
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                              -->SETUP
   * @dev (function) setPhaseStart  Set the phase start for this drop (platform admin only)
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param phaseStart_             The phase start time
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setPhaseStart(uint32 phaseStart_) external onlyPlatformAdmin {
    phaseStart = phaseStart_;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                              -->SETUP
   * @dev (function) setPhaseEnd    Set the phase start for this drop (platform admin only)
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param phaseEnd_               The phase end time
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setPhaseEnd(uint32 phaseEnd_) external onlyPlatformAdmin {
    phaseEnd = phaseEnd_;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                              -->SETUP
   * @dev (function) setPhaseMaxSupply     Set the phase start for this drop (platform admin only)
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param phaseMaxSupply_                The phase supply
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setPhaseMaxSupply(
    uint32 phaseMaxSupply_
  ) external onlyPlatformAdmin {
    phaseMaxSupply = phaseMaxSupply_;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                              -->SETUP
   * @dev (function) phaseMintStatus    The status of the deployed primary sale module
   * _____________________________________________________________________________________________________________________
   */
  function phaseMintStatus() public view returns (MintStatus status) {
    return _primarySaleStatus(phaseStart, phaseEnd);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                              -->SETUP
   * @dev (function) _primarySaleStatus    Return the status of the mint type
   * _____________________________________________________________________________________________________________________
   */
  function _primarySaleStatus(
    uint256 start_,
    uint256 end_
  ) internal view returns (MintStatus) {
    // Explicitly check for open before anything else. This is the only valid path to making a
    // state change, so keep the gas as low as possible for the code path through 'open'
    if (block.timestamp >= (start_) && block.timestamp <= (end_)) {
      return (MintStatus.open);
    }

    if ((start_ + end_) == 0) {
      return (MintStatus.notEnabled);
    }

    if (block.timestamp > end_) {
      return (MintStatus.finished);
    }

    if (block.timestamp < start_) {
      return (MintStatus.notYetOpen);
    }

    return (MintStatus.unknown);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) _mint         Called from all primary sale modules: perform minting!
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param caller_                The address that has called mint through the primary sale module.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param recipient_             The address that will receive new assets.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param allowanceAddress_      The address that has an allowance being used in this mint. This will be the same as the
   *                               calling address in almost all cases. An example of when they may differ is in a list
   *                               mint where the caller is a delegate of another address with an allowance in the list.
   *                               The caller is performing the mint, but it is the allowance for the allowance address
   *                               that is being checked and decremented in this mint.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param quantityToMint_        The number of NFTs being minted in this call
   * ---------------------------------------------------------------------------------------------------------------------
   * @param unitPrice_             The per NFT price for this mint.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageTimeStamp_      The timestamp of the signed message
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageHash_           The message hash signed by the trusted oracle signer. This will be the keccack256 hash
   *                               of received data about this social mint.
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageSignature_      The signed message from the backend oracle signer for validation.
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function _mint(
    address caller_,
    address recipient_,
    address allowanceAddress_,
    uint256 quantityToMint_,
    uint256 unitPrice_,
    uint256 messageTimeStamp_,
    bytes32 messageHash_,
    bytes calldata messageSignature_
  ) internal whenNotPaused {
    if (phaseMintStatus() != MintStatus.open) revert ThisMintIsClosed();

    if (
      phaseMaxSupply != 0 &&
      quantityToMint_ > (phaseMaxSupply - phaseQuantityMinted)
    ) {
      revert QuantityExceedsPhaseRemainingSupply(
        quantityToMint_,
        phaseMaxSupply - phaseQuantityMinted
      );
    }

    phaseQuantityMinted += uint32(quantityToMint_);

    if (useOracleToAntiSybil) {
      // Check that this signature is from the oracle signer:
      if (!_validSignature(messageHash_, messageSignature_)) {
        revert InvalidOracleSignature();
      }

      // Check that the signature has not expired:
      if ((messageTimeStamp_ + messageValidityInSeconds) < block.timestamp) {
        revert OracleSignatureHasExpired();
      }

      // Signature is valid. Check that the passed parameters match the hash that was signed:
      if (
        !_parametersMatchHash(
          recipient_,
          quantityToMint_,
          msg.sender,
          messageTimeStamp_,
          messageHash_
        )
      ) {
        revert ParametersDoNotMatchSignedMessage();
      }
    }
    nftContract.metadropMint(
      caller_,
      recipient_,
      allowanceAddress_,
      quantityToMint_,
      unitPrice_
    );
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) _validSignature         Checks the the signature on the signed message is from the metadrop oracle
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageHash_           The message hash signed by the trusted oracle signer. This will be the keccack256 hash
   *                               of received data about this social mint
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageSignature_      The signed message from the backend oracle signer for validation.
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function _validSignature(
    bytes32 messageHash_,
    bytes memory messageSignature_
  ) internal view returns (bool) {
    bytes32 ethSignedMessageHash = keccak256(
      abi.encodePacked("\x19Ethereum Signed Message:\n32", messageHash_)
    );

    // Check the signature is valid:
    return (
      SignatureChecker.isValidSignatureNow(
        metadropOracleAddress,
        ethSignedMessageHash,
        messageSignature_
      )
    );
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) _parametersMatchHash      Checks the the signature on the signed message is from the metadrop oracle
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param recipient_             The address that will receive new assets
   * ---------------------------------------------------------------------------------------------------------------------
   * @param quantityToMint_        The number of NFTs being minted in this call
   * ---------------------------------------------------------------------------------------------------------------------
   * @param caller_                The msg.sender on this call
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageTimeStamp_      The timestamp on the message
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageHash_           The message hash signed by the trusted oracle signer. This will be the keccack256 hash
   *                               of received data about this social mint
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function _parametersMatchHash(
    address recipient_,
    uint256 quantityToMint_,
    address caller_,
    uint256 messageTimeStamp_,
    bytes32 messageHash_
  ) internal pure returns (bool) {
    return (
      (keccak256(
        abi.encodePacked(
          recipient_,
          quantityToMint_,
          caller_,
          messageTimeStamp_
        )
      ) == messageHash_)
    );
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->FINANCE
   * @dev (function) withdrawETH      A withdraw function to allow ETH to be withdrawn to the vesting contract.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param amount_             The amount to withdraw
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function withdrawETH(uint256 amount_) external onlyPlatformAdmin {
    (bool success, ) = vestingContract.call{value: amount_}("");
    if (!success) revert TransferFailed();
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->FINANCE
   * @dev (function) withdrawContractETHBalance      A withdraw function to allow  all ETH to be withdrawn to vesting.
   * _____________________________________________________________________________________________________________________
   */
  function withdrawContractETHBalance() external onlyPlatformAdmin {
    (bool success, ) = vestingContract.call{value: address(this).balance}("");
    if (!success) revert TransferFailed();
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                            -->FINANCE
   * @dev (function) withdrawERC20     A withdraw function to allow ERC20s to be withdrawn to the vesting contract.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param token_             The token to withdraw
   * ---------------------------------------------------------------------------------------------------------------------
   * @param amount_             The amount to withdraw
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function withdrawERC20(
    IERC20 token_,
    uint256 amount_
  ) external onlyPlatformAdmin {
    bool success = token_.transfer(vestingContract, amount_);
    if (!success) revert TransferFailed();
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->ACCESS
   * @dev (function) transferProjectOwner    Allows the current project owner to transfer this role to another address,
   * therefore being the equivalent of 'transfer owner'
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newProjectOwner_         The new project owner address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferProjectOwner(
    address newProjectOwner_
  ) external onlyProjectOwner {
    grantRole(PROJECT_OWNER, newProjectOwner_);
    revokeRole(PROJECT_OWNER, msg.sender);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                             -->ACCESS
   * @dev (function) transferPlatformAdmin    Allows the current platform admin to transfer this role to another address,
   * therefore being the equivalent of 'transfer owner'
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param newPlatformAdmin_         The new platform admin address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function transferPlatformAdmin(
    address newPlatformAdmin_
  ) external onlyPlatformAdmin {
    grantRole(PLATFORM_ADMIN, newPlatformAdmin_);
    revokeRole(PLATFORM_ADMIN, msg.sender);
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setMetadropOracleAddress   Allow platform admin to update trusted oracle address
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param metadropOracleAddress_         The new metadrop oracle address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setMetadropOracleAddress(
    address metadropOracleAddress_
  ) external onlyPlatformAdmin {
    if (metadropOracleAddress_ == address(0)) {
      revert CannotSetToZeroAddress();
    }
    metadropOracleAddress = metadropOracleAddress_;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setVestingContractAddress     Allow platform admin to update vesting contract
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param vestingContract_         The new vesting contract address
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function setVestingContractAddress(
    address vestingContract_
  ) external onlyPlatformAdmin {
    if (vestingContract_ == address(0)) {
      revert CannotSetToZeroAddress();
    }
    vestingContract = vestingContract_;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setAntiSybilOff     Allow platform admin to turn off anti-sybil protection
   * _____________________________________________________________________________________________________________________
   */
  function setAntiSybilOff() external onlyPlatformAdmin {
    useOracleToAntiSybil = false;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setAntiSybilOff     Allow platform admin to turn ON anti-sybil protection
   * _____________________________________________________________________________________________________________________
   */
  function setAntiSybilOn() external onlyPlatformAdmin {
    useOracleToAntiSybil = true;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setEPSOff    Allow platform admin to turn off EPS
   * _____________________________________________________________________________________________________________________
   */
  function setEPSOff() external onlyPlatformAdmin {
    useEPS = false;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) setEPSOff    Allow platform admin to turn ON EPS
   * _____________________________________________________________________________________________________________________
   */
  function setEPSOn() external onlyPlatformAdmin {
    useEPS = true;
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) pause    Allow platform admin to pause
   * _____________________________________________________________________________________________________________________
   */
  function pause() external onlyPlatformAdmin {
    _pause();
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) unpause    Allow platform admin to unpause
   * _____________________________________________________________________________________________________________________
   */
  function unpause() external onlyPlatformAdmin {
    _unpause();
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) receive   Reject eth of unkown source
   * _____________________________________________________________________________________________________________________
   */
  receive() external payable {
    if (!hasRole(PLATFORM_ADMIN, msg.sender)) {
      revert CallerIsNotPlatformAdmin(msg.sender);
    }
  }

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) fallback   Revert all fall backs
   * _____________________________________________________________________________________________________________________
   */
  fallback() external {
    revert();
  }
}

// SPDX-License-Identifier: MIT
// Metadrop Contracts (v0.0.1)

/**
 *
 * @title IPublicMintByMetadrop.sol. Interface for metadrop public mint primary sale module
 *
 * @author metadrop https://metadrop.com/
 *
 */

pragma solidity 0.8.19;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "../../Global/IConfigStructures.sol";
import "../IPrimarySaleModule.sol";

interface IPublicMintByMetadrop is IConfigStructures {
  /** ====================================================================================================================
   *                                                    STRUCTS and ENUMS
   * =====================================================================================================================
   */
  // Configuation options for this primary sale module.
  struct PublicMintConfig {
    uint256 phaseMaxSupply;
    uint256 phaseStart;
    uint256 phaseEnd;
    uint256 publicPrice;
    uint256 maxPublicQuantity;
  }

  /** ====================================================================================================================
   *                                                        ERRORS
   * =====================================================================================================================
   */
  // Error when the mint request exceeds the public mint allowance.
  error MaxPublicMintAllowanceExceeded(
    uint256 requested,
    uint256 alreadyMinted,
    uint256 maxAllowance
  );

  /** ====================================================================================================================
   *                                                       FUNCTIONS
   * =====================================================================================================================
   */

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) publicMintStatus  View of public mint status
   * _____________________________________________________________________________________________________________________
   */
  /**
   *
   * @dev publicMintStatus: View of public mint status
   *
   */
  function publicMintStatus() external view returns (MintStatus);

  /** ____________________________________________________________________________________________________________________
   *                                                                                                               -->MINT
   * @dev (function) publicMint  Public minting of tokens according to set config.
   *
   * ---------------------------------------------------------------------------------------------------------------------
   * @param quantityToMint_        The number of NFTs being minted in this call
   * ---------------------------------------------------------------------------------------------------------------------
   * @param recipient_             The address that will receive new assets
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageTimeStamp_      The timestamp of the signed message
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageHash_           The message hash signed by the trusted oracle signer. This will be checked as part of
   *                               antibot protection
   * ---------------------------------------------------------------------------------------------------------------------
   * @param messageSignature_      The signed message from the backend oracle signer for validation as part of anti-bot
   *                               protection
   * ---------------------------------------------------------------------------------------------------------------------
   * _____________________________________________________________________________________________________________________
   */
  function publicMint(
    uint256 quantityToMint_,
    address recipient_,
    uint256 messageTimeStamp_,
    bytes32 messageHash_,
    bytes calldata messageSignature_
  ) external payable;
}

// SPDX-License-Identifier: CC0-1.0
// EPS Contracts v2.0.0
// www.eternalproxy.com

/**
 
@dev EPS Delegation Register - Interface

 */

pragma solidity 0.8.19;

import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "../EPSRewardToken/IOAT.sol";
import "../EPSRewardToken/IERCOmnReceiver.sol";

/**
 *
 * @dev Implementation of the EPS proxy register interface.
 *
 */
interface IEPSDelegationRegister {
  // ======================================================
  // ENUMS and STRUCTS
  // ======================================================

  // Scope of a delegation: global, collection or token
  enum DelegationScope {
    global,
    collection,
    token
  }

  // Time limit of a delegation: eternal or time limited
  enum DelegationTimeLimit {
    eternal,
    limited
  }

  // The Class of a delegation: primary, secondary or rental
  enum DelegationClass {
    primary,
    secondary,
    rental
  }

  // The status of a delegation:
  enum DelegationStatus {
    live,
    pending
  }

  // Data output format for a report (used to output both hot and cold
  // delegation details)
  struct DelegationReport {
    address hot;
    address cold;
    DelegationScope scope;
    DelegationClass class;
    DelegationTimeLimit timeLimit;
    address collection;
    uint256 tokenId;
    uint40 startDate;
    uint40 endDate;
    bool validByDate;
    bool validBilaterally;
    bool validTokenOwnership;
    bool[25] usageTypes;
    address key;
    uint96 controlInteger;
    bytes data;
    DelegationStatus status;
  }

  // Delegation record
  struct DelegationRecord {
    address hot;
    uint96 controlInteger;
    address cold;
    uint40 startDate;
    uint40 endDate;
    DelegationStatus status;
  }

  // If a delegation is for a collection, or has additional data, it will need to read the delegation metadata
  struct DelegationMetadata {
    address collection;
    uint256 tokenId;
    bytes data;
  }

  // Details of a hot wallet lock
  struct LockDetails {
    uint40 lockStart;
    uint40 lockEnd;
  }

  // Validity dates when checking a delegation
  struct ValidityDates {
    uint40 start;
    uint40 end;
  }

  // Delegation struct to hold details of a new delegation
  struct Delegation {
    address hot;
    address cold;
    address[] targetAddresses;
    uint256 tokenId;
    bool tokenDelegation;
    uint8[] usageTypes;
    uint40 startDate;
    uint40 endDate;
    uint16 providerCode;
    DelegationClass delegationClass;
    uint96 subDelegateKey;
    bytes data;
    DelegationStatus status;
  }

  // Addresses associated with a delegation check
  struct DelegationCheckAddresses {
    address hot;
    address cold;
    address targetCollection;
  }

  // Classes associated with a delegation check
  struct DelegationCheckClasses {
    bool secondary;
    bool rental;
    bool token;
  }

  // Migrated record data
  struct MigratedRecord {
    address hot;
    address cold;
  }

  // ======================================================
  // CUSTOM ERRORS
  // ======================================================

  error UsageTypeAlreadyDelegated(uint256 usageType);
  error CannotDeleteValidDelegation();
  error CannotDelegatedATokenYouDontOwn();
  error IncorrectAdminLevel(uint256 requiredLevel);
  error OnlyParticipantOrAuthorisedSubDelegate();
  error HotAddressIsLockedAndCannotBeDelegatedTo();
  error InvalidDelegation();
  error ToMuchETHForPendingPayments(uint256 sent, uint256 required);
  error UnknownAmount();
  error InvalidERC20Payment();
  error IncorrectProxyRegisterFee();
  error UnrecognisedEPSAPIAmount();
  error CannotRevokeAllForRegisterAdminHierarchy();

  // ======================================================
  // EVENTS
  // ======================================================

  event DelegationMade(
    address indexed hot,
    address indexed cold,
    address targetAddress,
    uint256 tokenId,
    bool tokenDelegation,
    uint8[] usageTypes,
    uint40 startDate,
    uint40 endDate,
    uint16 providerCode,
    DelegationClass delegationClass,
    uint96 subDelegateKey,
    bytes data,
    DelegationStatus status
  );
  event DelegationRevoked(address hot, address cold, address delegationKey);
  event DelegationPaid(address delegationKey);
  event AllDelegationsRevokedForHot(address hot);
  event AllDelegationsRevokedForCold(address cold);
  event Transfer(address indexed from, address indexed to, uint256 value);

  /**
   *
   *
   * @dev getDelegationRecord
   *
   *
   */
  function getDelegationRecord(address delegationKey_)
    external
    view
    returns (DelegationRecord memory);

  /**
   *
   *
   * @dev isValidDelegation
   *
   *
   */
  function isValidDelegation(
    address hot_,
    address cold_,
    address collection_,
    uint256 usageType_,
    bool includeSecondary_,
    bool includeRental_
  ) external view returns (bool isValid_);

  /**
   *
   *
   * @dev getAddresses - Get all currently valid addresses for a hot address.
   * - Pass in address(0) to return records that are for ALL collections
   * - Pass in a collection address to get records for just that collection
   * - Usage type must be supplied. Only records that match usage type will be returned
   *
   *
   */
  function getAddresses(
    address hot_,
    address collection_,
    uint256 usageType_,
    bool includeSecondary_,
    bool includeRental_
  ) external view returns (address[] memory addresses_);

  /**
   *
   *
   * @dev beneficiaryBalanceOf: Returns the beneficiary balance
   *
   *
   */
  function beneficiaryBalanceOf(
    address queryAddress_,
    address contractAddress_,
    uint256 usageType_,
    bool erc1155_,
    uint256 id_,
    bool includeSecondary_,
    bool includeRental_
  ) external view returns (uint256 balance_);

  /**
   *
   *
   * @dev beneficiaryOf
   *
   *
   */
  function beneficiaryOf(
    address collection_,
    uint256 tokenId_,
    uint256 usageType_,
    bool includeSecondary_,
    bool includeRental_
  )
    external
    view
    returns (
      address primaryBeneficiary_,
      address[] memory secondaryBeneficiaries_
    );

  /**
   *
   *
   * @dev delegationFromColdExists - check a cold delegation exists
   *
   *
   */
  function delegationFromColdExists(address cold_, address delegationKey_)
    external
    view
    returns (bool);

  /**
   *
   *
   * @dev delegationFromHotExists - check a hot delegation exists
   *
   *
   */
  function delegationFromHotExists(address hot_, address delegationKey_)
    external
    view
    returns (bool);

  /**
   *
   *
   * @dev getAllForHot - Get all delegations at a hot address, formatted nicely
   *
   *
   */
  function getAllForHot(address hot_)
    external
    view
    returns (DelegationReport[] memory);

  /**
   *
   *
   * @dev getAllForCold - Get all delegations at a cold address, formatted nicely
   *
   *
   */
  function getAllForCold(address cold_)
    external
    view
    returns (DelegationReport[] memory);

  /**
   *
   *
   * @dev makeDelegation - A direct call to setup a new proxy record
   *
   *
   */
  function makeDelegation(
    address hot_,
    address cold_,
    address[] memory targetAddresses_,
    uint256 tokenId_,
    bool tokenDelegation_,
    uint8[] memory usageTypes_,
    uint40 startDate_,
    uint40 endDate_,
    uint16 providerCode_,
    DelegationClass delegationClass_, //0 = primary, 1 = secondary, 2 = rental
    uint96 subDelegateKey_,
    bytes memory data_
  ) external payable;

  /**
   *
   *
   * @dev getDelegationKey - get the link hash to the delegation metadata
   *
   *
   */
  function getDelegationKey(
    address hot_,
    address cold_,
    address targetAddress_,
    uint256 tokenId_,
    bool tokenDelegation_,
    uint96 controlInteger_,
    uint40 startDate_,
    uint40 endDate_
  ) external pure returns (address);

  /**
   *
   *
   * @dev getHotAddressLockDetails
   *
   *
   */
  function getHotAddressLockDetails(address hot_)
    external
    view
    returns (LockDetails memory, address[] memory);

  /**
   *
   *
   * @dev lockAddressUntilDate
   *
   *
   */
  function lockAddressUntilDate(uint40 unlockDate_) external;

  /**
   *
   *
   * @dev lockAddress
   *
   *
   */
  function lockAddress() external;

  /**
   *
   *
   * @dev unlockAddress
   *
   *
   */
  function unlockAddress() external;

  /**
   *
   *
   * @dev addLockBypassAddress
   *
   *
   */
  function addLockBypassAddress(address bypassAddress_) external;

  /**
   *
   *
   * @dev removeLockBypassAddress
   *
   *
   */
  function removeLockBypassAddress(address bypassAddress_) external;

  /**
   *
   *
   * @dev revokeRecord: Revoking a single record with Key
   *
   *
   */
  function revokeRecord(address delegationKey_, uint96 subDelegateKey_)
    external;

  /**
   *
   *
   * @dev revokeGlobalAll
   *
   *
   */
  function revokeRecordOfGlobalScopeForAllUsages(address participant2_)
    external;

  /**
   *
   *
   * @dev revokeAllForCold: Cold calls and revokes ALL
   *
   *
   */
  function revokeAllForCold(address cold_, uint96 subDelegateKey_) external;

  /**
   *
   *
   * @dev revokeAllForHot: Hot calls and revokes ALL
   *
   *
   */
  function revokeAllForHot() external;

  /**
   *
   *
   * @dev deleteExpired: ANYONE can delete expired records
   *
   *
   */
  function deleteExpired(address delegationKey_) external;

  /**
   *
   *
   * @dev setRegisterFee: set the fee for accepting a registration:
   *
   *
   */
  function setRegisterFees(
    uint256 registerFee_,
    address erc20_,
    uint256 erc20Fee_
  ) external;

  /**
   *
   *
   * @dev setRewardTokenAndRate
   *
   *
   */
  function setRewardTokenAndRate(address rewardToken_, uint88 rewardRate_)
    external;

  /**
   *
   *
   * @dev lockRewardRate
   *
   *
   */
  function lockRewardRate() external;

  /**
   *
   *
   * @dev setLegacyOff
   *
   *
   */
  function setLegacyOff() external;

  /**
   *
   *
   * @dev setENSName (used to set reverse record so interactions with this contract are easy to
   * identify)
   *
   *
   */
  function setENSName(string memory ensName_) external;

  /**
   *
   *
   * @dev setENSReverseRegistrar
   *
   *
   */
  function setENSReverseRegistrar(address ensReverseRegistrar_) external;

  /**
   *
   *
   * @dev setTreasuryAddress: set the treasury address:
   *
   *
   */
  function setTreasuryAddress(address treasuryAddress_) external;

  /**
   *
   *
   * @dev setDecimalsAndBalance
   *
   *
   */
  function setDecimalsAndBalance(uint8 decimals_, uint256 balance_) external;

  /**
   *
   *
   * @dev withdrawETH: withdraw eth to the treasury:
   *
   *
   */
  function withdrawETH(uint256 amount_) external returns (bool success_);

  /**
   *
   *
   * @dev withdrawERC20: Allow any ERC20s to be withdrawn Note, this is provided to enable the
   * withdrawal of payments using valid ERC20s. Assets sent here in error are retrieved with
   * rescueERC20
   *
   *
   */
  function withdrawERC20(IERC20 token_, uint256 amount_) external;

  /**
   *
   *
   * @dev isLevelAdmin
   *
   *
   */
  function isLevelAdmin(
    address receivedAddress_,
    uint256 level_,
    uint96 key_
  ) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// EPS Contracts v2.0.0
// www.eternalproxy.com

/**
 
@dev IERCOmnReceiver - Interface

 */

pragma solidity 0.8.19;

interface IERCOmnReceiver {
  function onTokenTransfer(
    address sender,
    uint256 value,
    bytes memory data
  ) external payable;
}

// SPDX-License-Identifier: MIT
// EPS Contracts v2.0.0
// www.eternalproxy.com

/**
 
@dev IOAT - Interface

 */

pragma solidity 0.8.19;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
 * @dev OAT interface
 */
interface IOAT is IERC20 {
  /**
   *
   * @dev emitToken
   *
   */
  function emitToken(address receiver_, uint256 amount_) external;

  /**
   *
   * @dev addEmitter
   *
   */
  function addEmitter(address emitter_) external;

  /**
   *
   * @dev removeEmitter
   *
   */
  function removeEmitter(address emitter_) external;

  /**
   *
   * @dev setTreasury
   *
   */
  function setTreasury(address treasury_) external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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