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//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "./interface/ISummitReferrals.sol";
import "./interface/ISummitPoints.sol";
import "./interface/IBlast.sol";
import "./lib/Maintainable.sol";

// | Level    | Custom Benefit  | Reward  | Self Volume Required  | Referred Volume Required  | Referral Num Required   |
// | ---      | ---             | ---     | ---                   | ---                       | ---                     |
// | Wood     |                 | 0       | 0                     | 0                         | 0                       |
// | Bronze   | Can refer       | 2%      | 100                   | 0                         | 0                       |
// | Silver   |                 | 3%      | 1000                  | 10000                     | 3                       |
// | Gold     |                 | 5%      | 2000                  | 25000                     | 5                       |
// | Platinum |                 | 7%      | 5000                  | 100000                    | 10                      |
// | Noble    |                 | 10%     | 25000                 | 1000000                   | 25                      |

contract SummitReferrals is Maintainable, ISummitReferrals {
    using SafeMath for uint256;

    address public SUMMIT_POINTS;

    // Level requirements
    uint256 public levelCount = 6;
    mapping(uint256 => uint256) public LEVEL_REF_VOLUME_REQ; // = [0, 0, 10000e18, 25000e18, 100000e18, 1000000e18];
    mapping(uint256 => uint256) public LEVEL_SELF_VOLUME_REQ; // = [0, 100e18, 1000e18, 2000e18, 5000e18, 25000e18];
    mapping(uint256 => uint256) public LEVEL_REFS_REQ; // = [0, 0, 3, 5, 10, 25];

    mapping(uint256 => uint256) public LEVEL_MULT_REWARD; // = [0, 200, 400, 500, 700, 1500];

    uint256 public BONUS_FOR_BEING_REFERRED = 200;
    mapping(address => address) public REFERRER;
    mapping(address => uint256) public REF_COUNT;
    mapping(address => uint8) public REF_BOOST_LEVEL;
    mapping(string => address) public REF_CODE;
    mapping(address => string) public REF_CODE_INV;

    error InvalidCode();
    error AlreadySetCode();
    error AlreadyInitialized();
    error MissingReferral();
    error AlreadyReferredByUser();
    error SelfReferral();
    error ReciprocalReferral();
    error LengthMismatch();
    error CodeNotAvailable();
    error MustBeAtLeastBronze();
    error InvalidLevel();

    constructor() {
      uint256[6] memory refVolumeReq = [uint256(0), 0, 10000e18, 25000e18, 100000e18, 1000000e18];
      uint256[6] memory selfVolumeReq = [uint256(0), 100e18, 1000e18, 2000e18, 5000e18, 25000e18];
      uint256[6] memory refsReq = [uint256(0), 0, 3, 5, 10, 25];
      uint256[6] memory multReward = [uint256(0), 200, 400, 500, 700, 1500];

      for (uint256 i = 0; i < levelCount; i++) {
        LEVEL_REF_VOLUME_REQ[i] = refVolumeReq[i];
        LEVEL_SELF_VOLUME_REQ[i] = selfVolumeReq[i];
        LEVEL_REFS_REQ[i] = refsReq[i];
        LEVEL_MULT_REWARD[i] = multReward[i];
      }
    }

    bool public initialized = false;
    address public governor;
    function initialize(address _governor) public onlyMaintainer {
      if (initialized) revert AlreadyInitialized();
      initialized = true;

      IBlast blast = IBlast(0x4300000000000000000000000000000000000002);
      blast.configureClaimableGas();
      blast.configureGovernor(_governor);
      
      governor = _governor;
    }


    function setPointsContract(address _pointsContract) override public onlyMaintainer {
      emit UpdatedPointsContract(_pointsContract);
      SUMMIT_POINTS = _pointsContract;
    }

    function stringEquals(string memory s1, string memory s2) internal pure returns(bool) {
        return keccak256(abi.encode(s1)) == keccak256(abi.encode(s2));
    }

    function setReferrer(address _referrer, string memory _code) override public {
      // Get referrer from code or argument
      address referrer = _referrer == address(0) ? REF_CODE[_code] : _referrer;

      // Checks
      if (referrer == address(0)) revert MissingReferral();
      if (referrer == msg.sender) revert SelfReferral();
      if (referrer == REFERRER[msg.sender]) revert AlreadyReferredByUser();
      if (REFERRER[referrer] == msg.sender) revert ReciprocalReferral();
      if (REFERRER[REFERRER[referrer]] == msg.sender) revert ReciprocalReferral();

      // Validate referrer is at least bronze level
      if (getReferrerLevel(referrer) == 0) revert MustBeAtLeastBronze();

      // Remove from prev referrer count
      if (REFERRER[msg.sender] != address(0) && REF_COUNT[REFERRER[msg.sender]] >= 1) {
        REF_COUNT[REFERRER[msg.sender]] -= 1;
      }

      REFERRER[msg.sender] = referrer;
      REF_COUNT[referrer] += 1;

      emit UpdatedReferrer(msg.sender, referrer);
    }

    function setReferralCode(string memory _code) override public {
      if(bytes(_code).length < 3 || bytes(_code).length > 15) revert InvalidCode();

      // Validate user doesnt already have code
      if (bytes(REF_CODE_INV[msg.sender]).length != 0) revert AlreadySetCode();

      // Validate referrer is at least bronze level
      if (getReferrerLevel(msg.sender) == 0) revert MustBeAtLeastBronze();

      // If code is already being used
      if (REF_CODE[_code] != address(0)) revert CodeNotAvailable();

      REF_CODE[REF_CODE_INV[msg.sender]] = address(0);
      REF_CODE_INV[msg.sender] = _code;
      REF_CODE[_code] = msg.sender;

      emit UpdatedReferralCode(msg.sender, msg.sender, _code);
    }

    function maintainerSetReferralCode(address _add, string memory _code) override public onlyMaintainer {
      // If code is already being used
      if (REF_CODE[_code] != address(0)) revert CodeNotAvailable();

      REF_CODE[REF_CODE_INV[_add]] = address(0);
      REF_CODE_INV[_add] = _code;
      REF_CODE[_code] = _add;

      emit UpdatedReferralCode(msg.sender, _add, _code);
    }

    function boostReferrer(address _referrer, uint8 _boostLevel) override public onlyMaintainer {
      REF_BOOST_LEVEL[_referrer] = _boostLevel;
      emit BoostedReferrer(_referrer, _boostLevel);
    }

    function boostReferrers(address[] memory _referrers, uint8[] memory _levels) override public onlyMaintainer {
      if (_referrers.length != _levels.length) revert LengthMismatch();
      for (uint256 i = 0; i < _referrers.length; i++) {
        if (REF_BOOST_LEVEL[_referrers[i]] != _levels[i]) {
          REF_BOOST_LEVEL[_referrers[i]] = _levels[i];
        }
      }
      emit BoostedReferrers(_referrers, _levels);
    }

    function setLevelData(uint256[] memory _refVolumeReq, uint256[] memory _selfVolumeReq, uint256[] memory _refsReq, uint256[] memory _multReward, uint256 _hasReferrerBonusMult) override public onlyMaintainer {
      if (_refVolumeReq.length != _selfVolumeReq.length || _refVolumeReq.length != _refsReq.length || _refVolumeReq.length != _multReward.length) revert LengthMismatch();

      uint256 newLength = _refVolumeReq.length;

      for (uint256 i = 0; i < newLength; i++) {
        LEVEL_REF_VOLUME_REQ[i] = _refVolumeReq[i];
        LEVEL_SELF_VOLUME_REQ[i] = _selfVolumeReq[i];
        LEVEL_REFS_REQ[i] = _refsReq[i];
        LEVEL_MULT_REWARD[i] = _multReward[i];
      }

      levelCount = newLength;

      BONUS_FOR_BEING_REFERRED = _hasReferrerBonusMult;
      emit UpdatedLevelData(_refVolumeReq, _selfVolumeReq, _refsReq, _multReward, _hasReferrerBonusMult);
    }

    function getReferrer(address _add) override public view returns (address) {
      return REFERRER[_add];
    }

    function getReferrerCode(address _add) override public view returns (string memory) {
      return REF_CODE_INV[REFERRER[_add]];
    }

    function getReferrerLevelWithoutBoost(address _add) override public view returns (uint8) {
      if (SUMMIT_POINTS == address(0)) return 0;

      (uint256 _selfVolume, uint256 _refVolume,) = ISummitPoints(SUMMIT_POINTS).getVolume(_add);

      for (uint8 i = 0; i < levelCount; i++) {
        if (_selfVolume < LEVEL_SELF_VOLUME_REQ[i + 1]) return i;
        if (_refVolume < LEVEL_REF_VOLUME_REQ[i + 1]) return i;
        if (REF_COUNT[_add] < LEVEL_REFS_REQ[i + 1]) return i;
      }

      return uint8(levelCount);
    }

    function getReferrerLevel(address _add) override public view returns (uint8) {
      if (REF_BOOST_LEVEL[_add] > 0) {
        return REF_BOOST_LEVEL[_add] > (levelCount - 1) ? uint8(levelCount - 1) : REF_BOOST_LEVEL[_add];
      }
      return getReferrerLevelWithoutBoost(_add);
    }

    function getLevelRequirements(uint8 _level) override public view returns (uint256 selfVolume, uint256 refVolume, uint256 refsCount) {
      if (_level >= levelCount) revert InvalidLevel();
      return (
        LEVEL_SELF_VOLUME_REQ[_level],
        LEVEL_REF_VOLUME_REQ[_level],
        LEVEL_REFS_REQ[_level]
      );
    }

    function getUserNextLevelRequirements(address _add) override public view returns (uint256 selfVolume, uint256 refVolume, uint256 refsCount) {
      uint8 nextLevel = getReferrerLevelWithoutBoost(_add) + 1;
      uint8 level = nextLevel >= (levelCount - 1) ? uint8(levelCount - 1) : nextLevel;
      return getLevelRequirements(level);
    }

    function getRefsCount(address _add) override public view returns (uint256) {
      return REF_COUNT[_add];
    }

    function getRefVolumeBonusMultiplier(address _add) override public view returns (uint256) {
      return LEVEL_MULT_REWARD[getReferrerLevel(_add)];
    }

    function getSelfVolumeMultiplier(address _add) override public view returns (uint256) {
      return 10000 + (REFERRER[_add] != address(0) ? BONUS_FOR_BEING_REFERRED : 0);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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:
 *
 * ```solidity
 * 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}:
 *
 * ```solidity
 * 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. We recommend using {AccessControlDefaultAdminRules}
 * to enforce additional security measures for this role.
 */
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 (last updated v4.9.4) (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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// 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 v4.9.0) (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) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 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 256, 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 << 3) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMath {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/Math.sol";
import "./math/SignedMath.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 `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
    }

    /**
     * @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);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastValue;
                // Update the index for the moved value
                set._indexes[lastValue] = valueIndex; // Replace lastValue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ISAVAX.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface IwAVAX {
    function withdraw(uint256) external;
}

/**
 * @notice wAVAX -> sAVAX
 **/
contract SAvaxAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public constant SAVAX = 0x2b2C81e08f1Af8835a78Bb2A90AE924ACE0eA4bE;
    address public constant WAVAX = 0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7;

    constructor(uint256 _swapGasEstimate) SummitAdapter("SAvaxAdapter", _swapGasEstimate) {
        _setAllowances();
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn == WAVAX && _tokenOut == SAVAX && !ISAVAX(SAVAX).mintingPaused() && !_exceedsCap(_amountIn)) {
            amountOut = ISAVAX(SAVAX).getSharesByPooledAvax(_amountIn);
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address,
        address _tokenOut,
        address _to
    ) internal override {
        IwAVAX(WAVAX).withdraw(_amountIn);
        uint256 shares = ISAVAX(SAVAX).submit{ value: _amountIn }();
        require(shares >= _amountOut, "SummitAdapter: Amount-out too low");
        _returnTo(_tokenOut, shares, _to);
    }

    function _exceedsCap(uint256 _amountIn) internal view returns (bool) {
        uint256 newBal = ISAVAX(SAVAX).totalPooledAvax() + _amountIn; // Assume U256::max won't be reached
        return newBal > ISAVAX(SAVAX).totalPooledAvaxCap();
    }

    function _setAllowances() internal {
        IERC20(WAVAX).safeApprove(WAVAX, UINT_MAX);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3AdapterBase.sol";

contract AgniAdapter is UniswapV3AdapterBase {

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address _factory,
        uint24[] memory _defaultFees
    ) UniswapV3AdapterBase(_name, _swapGasEstimate, _quoterGasLimit, _quoter, _factory, _defaultFees) {
    }

    function agniSwapCallback (
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external {
        if (amount0Delta > 0) {
            IERC20(IUniV3Pool(msg.sender).token0()).transfer(msg.sender, uint256(amount0Delta));
        } else {
            IERC20(IUniV3Pool(msg.sender).token1()).transfer(msg.sender, uint256(amount1Delta));
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3likeAdapter.sol";

interface IAlgebraFactory {
    function poolByPair(address, address) external view returns (address);
}

contract AlgebraAdapter is UniswapV3likeAdapter {
    using SafeERC20 for IERC20;

    address immutable FACTORY;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address _factory
    ) UniswapV3likeAdapter(_name, _swapGasEstimate, _quoter, _quoterGasLimit) {
        FACTORY = _factory;
    }

    function getBestPool(
        address token0, 
        address token1
    ) internal view override returns (address mostLiquid) {
        return IAlgebraFactory(FACTORY).poolByPair(token0, token1);
    }

    function algebraSwapCallback(
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external {
        if (amount0Delta > 0) {
            IERC20(IUniV3Pool(msg.sender).token0()).transfer(msg.sender, uint256(amount0Delta));
        } else {
            IERC20(IUniV3Pool(msg.sender).token1()).transfer(msg.sender, uint256(amount1Delta));
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.0;

import "../interface/IStabilityFund.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract ArableSFAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public vault;
    mapping(address => uint256) public tokenDecimals;

    constructor(
        string memory _name,
        address _vault,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        vault = _vault;
        setPoolTokens();
    }

    function setPoolTokens() public {
        uint256 whitelistedTknsLen = IStabilityFund(vault).getStableTokensCount();
        for (uint256 i = 0; i < whitelistedTknsLen; i++) {
            address token = IStabilityFund(vault).getStableTokens()[i];
            tokenDecimals[token] = IERC20(token).decimals();
            uint256 allowance = IERC20(token).allowance(address(this), vault);
            if (allowance < UINT_MAX) {
                IERC20(token).safeApprove(vault, UINT_MAX);
            }
        }
    }

    function adjustForDecimals(
        uint256 _amount,
        address _tokenDiv,
        address _tokenMul
    ) internal view returns (uint256) {
        uint256 decimalsDiv = tokenDecimals[_tokenDiv];
        uint256 decimalsMul = tokenDecimals[_tokenMul];
        return (_amount * 10**decimalsMul) / 10**decimalsDiv;
    }

    function hasVaultEnoughBal(address _token, uint256 _amount) private view returns (bool) {
        return IERC20(_token).balanceOf(vault) >= _amount;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (
            _amountIn == 0 ||
            _tokenIn == _tokenOut ||
            !IStabilityFund(vault).isStableToken(_tokenIn) ||
            !IStabilityFund(vault).isStableToken(_tokenOut) ||
            IStabilityFund(vault).isTokenDisabled(_tokenIn) ||
            IStabilityFund(vault).isTokenDisabled(_tokenOut) ||
            !IStabilityFund(vault).swapEnabled()
        ) {
            return 0;
        }

        uint256 amountOut = adjustForDecimals(_amountIn, _tokenIn, _tokenOut);
        uint256 swapFee = IStabilityFund(vault).swapFee();
        uint256 swapFeeDivisor = 1 ether;
        uint256 feeAmount = (amountOut * swapFee) / swapFeeDivisor;
        uint256 amountOutAfterFees = amountOut - feeAmount;
        if (!hasVaultEnoughBal(_tokenOut, amountOutAfterFees)) {
            return 0;
        }

        return amountOutAfterFees;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        IStabilityFund(vault).swap(_tokenIn, _amountIn, _tokenOut);
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// Supports Balancerlike pools

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;
import "../SummitAdapter.sol";
import "../interface/IVault.sol";
import "../interface/IBasePool.sol";
import "../interface/IMinimalSwapInfoPool.sol";

contract BalancerV2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public vault;

    mapping(address => mapping(address => uint128)) internal poolToTokenIndex;
    mapping(address => mapping(address => address[])) internal tokensToPools;

    constructor(
        string memory _name,
        address _vault,
        address[] memory _pools,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        vault = _vault;
        addPools(_pools);
    }

    function addPools(address[] memory _pools) public onlyMaintainer {
        for (uint128 i = 0; i < _pools.length; i++) {
            address pool = _pools[i];
            bytes32 poolId = IBasePool(pool).getPoolId();
            (IERC20[] memory tokens, , ) = IVault(vault).getPoolTokens(poolId);
            for (uint128 j = 0; j < tokens.length; j++) {
                address token = address(tokens[j]);
                poolToTokenIndex[pool][token] = j;
                for (uint128 k = 0; k < tokens.length; k++) {
                    if (j != k) {
                        tokensToPools[token][address(tokens[k])].push(pool);
                        _approveIfNeeded(token, UINT_MAX);
                    }
                }
            }
        }
    }

    function removePools(address[] memory _pools) public onlyMaintainer {
        for (uint256 i = 0; i < _pools.length; i++) {
            address pool = _pools[i];
            bytes32 poolId = IBasePool(pool).getPoolId();
            (IERC20[] memory tokens, , ) = IVault(vault).getPoolTokens(poolId);
            for (uint128 j = 0; j < tokens.length; j++) {
                address token = address(tokens[j]);
                for (uint128 k = 0; k < tokens.length; k++) {
                    if (j != k) {
                        address[] memory currentPools = tokensToPools[token][address(tokens[k])];
                        for (uint128 l = 0; l < currentPools.length; l++) {
                            if (currentPools[l] == pool) {
                                delete currentPools[l];
                            }
                        }
                        tokensToPools[token][address(tokens[k])] = currentPools;
                    }
                }
            }
        }
    }

    function getPools(address tokenIn, address tokenOut) public view returns (address[] memory) {
        return tokensToPools[tokenIn][tokenOut];
    }

    function _approveIfNeeded(address _tokenIn, uint256 _amount) internal {
        uint256 allowance = IERC20(_tokenIn).allowance(address(this), vault);
        if (allowance < _amount) {
            IERC20(_tokenIn).safeApprove(vault, _amount);
        }
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_amountIn == 0 || _tokenIn == _tokenOut) {
            return 0;
        }

        address[] memory pools = getPools(_tokenIn, _tokenOut);
        if (pools.length == 0) {
            return 0;
        }

        (, uint256 amountOut) = _getBestPoolForSwap(pools, _tokenIn, _tokenOut, _amountIn);
        return amountOut;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        address[] memory pools = getPools(_tokenIn, _tokenOut);

        require(pools.length > 0, "No pools for swapping");

        (address pool, ) = _getBestPoolForSwap(pools, _tokenIn, _tokenOut, _amountIn);

        require(pool != address(0), "Undefined pool");

        IVault.SingleSwap memory swap;
        swap.poolId = IBasePool(pool).getPoolId();
        swap.kind = IVault.SwapKind.GIVEN_IN;
        swap.assetIn = _tokenIn;
        swap.assetOut = _tokenOut;
        swap.amount = _amountIn;
        swap.userData = "0x";

        IVault.FundManagement memory fund;
        fund.sender = address(this);
        fund.recipient = payable(to);
        fund.fromInternalBalance = false;
        fund.toInternalBalance = false;

        IVault(vault).swap(swap, fund, _amountOut, block.timestamp);
    }

    function _getBestPoolForSwap(
        address[] memory pools,
        address _tokenIn,
        address _tokenOut,
        uint256 _amountIn
    ) internal view returns (address bestPool, uint256 amountOut) {
        amountOut = 0;
        bestPool = address(0);
        for (uint128 i; i < pools.length; i++) {
            address pool = pools[i];
            if (pool == address(0)) {
                continue;
            }
            IPoolSwapStructs.SwapRequest memory request;
            request.poolId = IBasePool(pool).getPoolId();
            request.kind = IVault.SwapKind.GIVEN_IN;
            request.tokenIn = IERC20(_tokenIn);
            request.tokenOut = IERC20(_tokenOut);
            request.amount = _amountIn;
            request.userData = "0x";
            uint256 newAmountOut = _getAmountOut(request, pool);
            if (newAmountOut > amountOut) {
                amountOut = newAmountOut;
                bestPool = pool;
            }
        }
    }

    function _getAmountOut(IPoolSwapStructs.SwapRequest memory request, address pool)
        internal
        view
        returns (uint256 amountOut)
    {
        // Based on https://github.com/balancer-labs/balancer-v2-monorepo/blob/master/pkg/vault/contracts/Swaps.sol#L275
        (, uint256[] memory balances, ) = IVault(vault).getPoolTokens(request.poolId);
        uint256 tokenInTotal = balances[poolToTokenIndex[pool][address(request.tokenIn)]];
        uint256 tokenOutTotal = balances[poolToTokenIndex[pool][address(request.tokenOut)]];
        amountOut = _getAmountOutSafe(request, tokenInTotal, tokenOutTotal, pool);
    }

    function _getAmountOutSafe(
        IPoolSwapStructs.SwapRequest memory request,
        uint256 tokenInTotal,
        uint256 tokenOutTotal,
        address pool
    ) internal view returns (uint256) {
        try IMinimalSwapInfoPool(pool).onSwap(request, tokenInTotal, tokenOutTotal) returns (uint256 amountOut) {
            return amountOut;
        } catch {}
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract BridgeMigrationAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    mapping(address => bool) public isNewBridgeToken;

    constructor(
        address[] memory _newTokens,
        address[] memory _oldTokens,
        uint256 _swapGasEstimate
    ) SummitAdapter("BridgeMigrationAdapter", _swapGasEstimate) {
        setNewBridgeTokens(_newTokens, _oldTokens);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (isNewBridgeToken[_tokenOut] && IERC20(_tokenOut).swapSupply(_tokenIn) >= _amountIn) amountOut = _amountIn;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        IERC20(_tokenOut).swap(_tokenIn, _amountIn);
        _returnTo(_tokenOut, _amountOut, _to);
    }

    function setNewBridgeTokens(address[] memory _newTokens, address[] memory _oldTokens) public onlyMaintainer {
        require(_newTokens.length == _oldTokens.length, "Needs to be surjective");
        for (uint256 i; i < _newTokens.length; i++) {
            require(IERC20(_newTokens[i]).swapSupply(_oldTokens[i]) > 0, "Invalid combination");
            _approveIfNeeded(_newTokens[i], _oldTokens[i]);
            isNewBridgeToken[_newTokens[i]] = true;
        }
    }

    function _approveIfNeeded(address _newToken, address _oldToken) internal {
        uint256 allowance = IERC20(_oldToken).allowance(address(this), _newToken);
        if (allowance < UINT_MAX) IERC20(_oldToken).safeApprove(_newToken, UINT_MAX);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface IFactory {
    function getPair(address,address) external view returns (address);
}

interface IPair {
    function getAmountOut(uint256, address) external view returns (uint256);
    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data,
        address referrer
    ) external;
}

contract CamelotAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address immutable FACTORY;
    address referrer;

    constructor(
        string memory _name,
        address _factory,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        FACTORY = _factory;
    }

    function setReferrer(address _referrer) public onlyMaintainer {
        referrer = _referrer;
    } 

    function getQuoteAndPair(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256 amountOut, address pair) {
        pair = IFactory(FACTORY).getPair(_tokenIn, _tokenOut);
        if (pair != address(0))
            amountOut = IPair(pair).getAmountOut(_amountIn, _tokenIn);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn != _tokenOut && _amountIn != 0)
            (amountOut, ) = getQuoteAndPair(_amountIn, _tokenIn, _tokenOut);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        (uint256 amountOut, address pair) = getQuoteAndPair(_amountIn, _tokenIn, _tokenOut);
        require(amountOut >= _amountOut, "Insufficent amount out");
        (uint256 amount0Out, uint256 amount1Out) = (_tokenIn < _tokenOut)
            ? (uint256(0), amountOut)
            : (amountOut, uint256(0));
        IERC20(_tokenIn).safeTransfer(pair, _amountIn);
        IPair(pair).swap(amount0Out, amount1Out, to, new bytes(0), referrer);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// Supports Curve Atricrypto pools and alike

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurve1.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract Curve1Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    mapping(address => uint256) public tokenIndex;
    mapping(address => bool) public isPoolToken;
    address public pool;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        pool = _pool;
        _setPoolTokens();
    }

    // Mapping indicator which tokens are included in the pool
    function _setPoolTokens() internal {
        for (uint256 i = 0; true; ++i) {
            try ICurve1(pool).underlying_coins(i) returns (address token) {
                _setPoolTokenAllowance(token);
                isPoolToken[token] = true;
                tokenIndex[token] = i;
            } catch {
                break;
            }
        }
    }

    function _setPoolTokenAllowance(address _token) internal {
        IERC20(_token).approve(pool, UINT_MAX);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_amountIn == 0 || _tokenIn == _tokenOut || !isPoolToken[_tokenIn] || !isPoolToken[_tokenOut]) {
            return 0;
        }
        try ICurve1(pool).get_dy_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return _applyError(amountOut);
        } catch {
            return 0;
        }
    }

    function _applyError(uint256 _amount) internal pure returns (uint256) {
        // `calc_token_amount` in base_pool is used in part of the query
        // this method does account for deposit fee which causes discrepancy
        // between the query result and the actual swap amount by few bps(0-3.2)
        // Additionally there is a rounding error (swap and query may calc different amounts)
        // Account for above with 4 bps discount
        return _amount == 0 ? 0 : (_amount * (1e4 - 4)) / 1e4;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ICurve1(pool).exchange_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, _amountOut);
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        _returnTo(_tokenOut, balThis, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// Supports Curve AAVE and Ren pool and alike

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurve2.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract Curve2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 constant BPS_DEN = 1e4;
    uint256 constant MAX_ERR_BPS = 1;

    mapping(address => bool) public isPoolToken;
    mapping(address => int128) public tokenIndex;
    address public pool;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        pool = _pool;
        _setPoolTokens();
    }

    // Mapping indicator which tokens are included in the pool
    function _setPoolTokens() internal {
        for (uint256 i = 0; true; i++) {
            try ICurve2(pool).underlying_coins(i) returns (address token) {
                _setPoolTokenAllowance(token);
                isPoolToken[token] = true;
                tokenIndex[token] = int128(int256(i));
            } catch {
                break;
            }
        }
    }

    function _setPoolTokenAllowance(address _token) internal {
        IERC20(_token).approve(pool, UINT_MAX);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_amountIn == 0 || _tokenIn == _tokenOut || !isPoolToken[_tokenIn] || !isPoolToken[_tokenOut]) {
            return 0;
        }
        try ICurve2(pool).get_dy_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return _applyErr(amountOut);
        } catch {
            return 0;
        }
    }

    function _applyErr(uint256 x) internal pure returns (uint256) {
        return (x * (BPS_DEN - MAX_ERR_BPS)) / BPS_DEN;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ICurve2(pool).exchange_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, 0);
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        require(balThis >= _amountOut, "Insufficient amount out");
        _returnTo(_tokenOut, balThis, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurveMeta.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract CurveMetaAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable POOL;
    address public immutable COIN;
    mapping(address => int128) public tokenIndex;
    mapping(address => bool) public isPoolToken;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        POOL = _pool;
        COIN = _setPoolTokens(_pool);
    }

    function _setPoolTokens(address _pool) internal returns (address coin0) {
        coin0 = ICurveMeta(_pool).coins(0);
        _approveToken(_pool, coin0, 0);
        for (uint256 i = 0; true; i++) {
            try ICurveMeta(_pool).base_coins(i) returns (address token) {
                _approveToken(_pool, token, int128(int256(i)) + 1);
            } catch {
                break;
            }
        }
    }

    function _approveToken(
        address _pool,
        address _token,
        int128 _index
    ) internal {
        IERC20(_token).safeApprove(_pool, UINT_MAX);
        tokenIndex[_token] = _index;
        isPoolToken[_token] = true;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (
            _amountIn == 0 ||
            _tokenIn == _tokenOut ||
            !((_tokenIn == COIN && isPoolToken[_tokenOut]) || (_tokenOut == COIN && isPoolToken[_tokenIn]))
        ) {
            return 0;
        }
        try ICurveMeta(POOL).get_dy_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            // `calc_token_amount` in base_pool is used in part of the query
            // this method does account for deposit fee which causes discrepancy
            // between the query result and the actual swap amount by few bps(0-3.2)
            // Additionally there is a rounding error (swap and query may calc different amounts)
            // Account for that with 1 bps discount
            return amountOut == 0 ? 0 : (amountOut * (1e4 - 1)) / 1e4;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ICurveMeta(POOL).exchange_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, _amountOut);
        _returnTo(_tokenOut, IERC20(_tokenOut).balanceOf(address(this)), _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface IMetaPool {
    function get_dy_underlying(
        int128,
        int128,
        uint256
    ) external view returns (uint256);

    function exchange_underlying(
        int128,
        int128,
        uint256,
        uint256
    ) external;

    function coins(uint256) external view returns (address);
}

interface IBasePool {
    function coins(uint256) external view returns (address);
}

contract CurveMetaV2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable META_COIN;
    address public immutable POOL;
    mapping(address => int128) public tokenIndex;
    mapping(address => bool) public isPoolToken;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        address metaCoin = getMetaCoin(_pool);
        approveAndAddTokenToAdapter(_pool, metaCoin, 0);
        addUnderlyingTkns(_pool);
        META_COIN = metaCoin;
        POOL = _pool;
    }

    function getMetaCoin(address _pool) internal view returns (address) {
        return IMetaPool(_pool).coins(0);
    }

    function initPoolAndReturnMetaTkn(address _pool) internal returns (address coin0) {
        coin0 = IMetaPool(_pool).coins(0);
        approveAndAddTokenToAdapter(_pool, coin0, 0);
    }

    function addUnderlyingTkns(address metaPool) internal {
        address basePool = IMetaPool(metaPool).coins(1);
        for (uint256 i; true; ++i) {
            address token = getUnderlyingToken(basePool, i);
            if (token == address(0)) break;
            approveAndAddTokenToAdapter(metaPool, token, int128(int256(i)) + 1);
        }
    }

    function getUnderlyingToken(address basePool, uint256 i) internal view returns (address) {
        try IBasePool(basePool).coins(i) returns (address token) {
            return token;
        } catch {}
    }

    function approveAndAddTokenToAdapter(
        address _pool,
        address _token,
        int128 _index
    ) internal {
        IERC20(_token).safeApprove(_pool, UINT_MAX);
        tokenIndex[_token] = _index;
        isPoolToken[_token] = true;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (!validInputParams(_amountIn, _tokenIn, _tokenOut)) return 0;
        // `calc_token_amount` in base_pool is used in part of the query
        // this method does account for deposit fee which causes discrepancy
        // between the query result and the actual swap amount by few bps(0-3.2)
        // Additionally there is a rounding error (swap and query may calc different amounts)
        // Account for that with 1 bps discount
        uint256 amountOut = safeQuery(_amountIn, _tokenIn, _tokenOut);
        return (amountOut * (1e4 - 1)) / 1e4;
    }

    function safeQuery(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256) {
        try IMetaPool(POOL).get_dy_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function validInputParams(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return _amountIn != 0 && _tokenIn != _tokenOut && validPath(_tokenIn, _tokenOut);
    }

    function validPath(address tkn0, address tkn1) internal view returns (bool) {
        return (tkn0 == META_COIN && isPoolToken[tkn1]) || (tkn1 == META_COIN && isPoolToken[tkn0]);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        IMetaPool(POOL).exchange_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, _amountOut);
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        _returnTo(_tokenOut, balThis, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface IMetaPool {
    function get_dy_underlying(
        int128,
        int128,
        uint256
    ) external view returns (uint256);

    function exchange_underlying(
        int128,
        int128,
        uint256,
        uint256
    ) external;

    function coins(uint256) external view returns (address);
}

interface IBasePool {
    function coins(uint256) external view returns (address);
}

contract CurveMetaV3Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    mapping(address => mapping(address => int128)) public tokenIndexForPool;
    mapping(address => mapping(address => address)) public poolForTokens;

    constructor(
        string memory _name,
        address[] memory _pools,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        setPools(_pools);
    }

    function getPool(address tkn0, address tkn1) public view returns (address) {
        return poolForTokens[tkn0][tkn1];
    }

    function rmPools(address[] memory _pools) external onlyMaintainer {
        for (uint256 i; i < _pools.length; ++i) _rmPool(_pools[i]);
    }

    function setPools(address[] memory _pools) public onlyMaintainer {
        for (uint256 i; i < _pools.length; ++i) _setPool(_pools[i]);
    }

    function _setPool(address _pool) internal {
        (address mToken, address basePool) = getCoins(_pool);
        IERC20(mToken).safeApprove(_pool, UINT_MAX);
        for (uint256 i; true; ++i) {
            address uToken = getUnderlyingToken(basePool, i);
            if (uToken == address(0)) break;
            _setTokenPair(_pool, mToken, uToken, int128(int256(i)));
        }
    }

    function _rmPool(address _pool) internal {
        (address mToken, address basePool) = getCoins(_pool);
        for (uint256 i; true; ++i) {
            address uToken = getUnderlyingToken(basePool, i);
            if (uToken == address(0)) break;
            poolForTokens[uToken][mToken] = address(0);
            poolForTokens[mToken][uToken] = address(0);
        }
    }

    function getCoins(address _pool) internal view returns (address meta, address base) {
        meta = IMetaPool(_pool).coins(0);
        base = IMetaPool(_pool).coins(1);
    }

    function _setTokenPair(
        address _pool,
        address _metaTkn,
        address _uToken,
        int128 _index
    ) internal {
        IERC20(_uToken).safeApprove(_pool, UINT_MAX);
        tokenIndexForPool[_pool][_uToken] = _index + 1;
        poolForTokens[_uToken][_metaTkn] = _pool;
        poolForTokens[_metaTkn][_uToken] = _pool;
    }

    function getUnderlyingToken(address basePool, uint256 i) internal view returns (address) {
        try IBasePool(basePool).coins(i) returns (address token) {
            return token;
        } catch {}
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        address pool = getPool(_tokenIn, _tokenOut);
        if (pool == address(0) || _amountIn == 0) return 0;
        // `calc_token_amount` in base_pool is used in part of the query
        // this method does account for deposit fee which causes discrepancy
        // between the query result and the actual swap amount by few bps(0-3.2)
        // Additionally there is a rounding error (swap and query may calc different amounts)
        // Account for that with 1 bps discount
        uint256 amountOut = safeQuery(pool, _amountIn, _tokenIn, _tokenOut);
        return (amountOut * (1e4 - 1)) / 1e4;
    }

    function safeQuery(
        address _pool,
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256) {
        try
            IMetaPool(_pool).get_dy_underlying(
                tokenIndexForPool[_pool][_tokenIn],
                tokenIndexForPool[_pool][_tokenOut],
                _amountIn
            )
        returns (uint256 amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        address pool = getPool(_tokenIn, _tokenOut);
        IMetaPool(pool).exchange_underlying(
            tokenIndexForPool[pool][_tokenIn],
            tokenIndexForPool[pool][_tokenOut],
            _amountIn,
            _amountOut
        );
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        _returnTo(_tokenOut, balThis, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// Supports Curve MIM pool (manually enter base tokens)

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurveMeta.sol";
import "../interface/ICurve2.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface ICurveSwapper128 {
    function exchange_underlying(
        address pool,
        int128 i,
        int128 j,
        uint256 dx,
        uint256 minDy
    ) external;
}

contract CurveMetaWithSwapperAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable metaPool;
    address public immutable basePool;
    address public immutable swapper;
    address public immutable metaTkn;
    mapping(address => int128) public tokenIndex;
    mapping(address => bool) public isPoolToken;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _metaPool,
        address _basePool,
        address _swapper
    ) SummitAdapter(_name, _swapGasEstimate) {
        metaTkn = setMetaTkn(_metaPool, _swapper);
        metaPool = _metaPool;
        basePool = _basePool;
        swapper = _swapper;
        _setUnderlyingTokens(_basePool, _swapper);
    }

    // Mapping indicator which tokens are included in the pool
    function _setUnderlyingTokens(address _basePool, address _swapper) internal {
        for (uint256 i = 0; true; i++) {
            try ICurve2(_basePool).underlying_coins(i) returns (address token) {
                _setPoolTokenAllowance(token, _swapper);
                isPoolToken[token] = true;
                tokenIndex[token] = int128(int256(i)) + 1;
            } catch {
                break;
            }
        }
    }

    function setMetaTkn(address _metaPool, address _swapper) internal returns (address _metaTkn) {
        _metaTkn = ICurveMeta(_metaPool).coins(0);
        _setPoolTokenAllowance(_metaTkn, _swapper);
        isPoolToken[_metaTkn] = true;
        tokenIndex[_metaTkn] = 0;
    }

    function _setPoolTokenAllowance(address _token, address _target) internal {
        IERC20(_token).approve(_target, UINT_MAX);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (!validInputParams(_amountIn, _tokenIn, _tokenOut)) {
            return 0;
        }
        try ICurveMeta(metaPool).get_dy_underlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            // `calc_token_amount` in base_pool is used in part of the query
            // this method does account for deposit fee which causes discrepancy
            // between the query result and the actual swap amount by few bps(0-3.2)
            // Additionally there is a rounding error (swap and query may calc different amounts)
            // Account for that with 4 bps discount
            return amountOut == 0 ? 0 : (amountOut * (1e4 - 4)) / 1e4;
        } catch {
            return 0;
        }
    }

    function validInputParams(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return _amountIn != 0 && _tokenIn != _tokenOut && validPath(_tokenIn, _tokenOut);
    }

    function validPath(address tkn0, address tkn1) internal view returns (bool) {
        return (tkn0 == metaTkn && isPoolToken[tkn1]) || (tkn1 == metaTkn && isPoolToken[tkn0]);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ICurveSwapper128(swapper).exchange_underlying(
            metaPool,
            tokenIndex[_tokenIn],
            tokenIndex[_tokenOut],
            _amountIn,
            0
        );
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        require(balThis >= _amountOut, "Insufficient amount-out");
        _returnTo(_tokenOut, balThis, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurvePlain128.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract CurvePlain128Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable POOL;
    mapping(address => int128) public tokenIndex;
    mapping(address => bool) public isPoolToken;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        POOL = _pool;
        _setPoolTokens(_pool);
    }

    // Mapping indicator which tokens are included in the pool
    function _setPoolTokens(address _pool) internal {
        for (uint256 i = 0; true; i++) {
            try ICurvePlain128(_pool).coins(i) returns (address token) {
                _approveToken(_pool, token, int128(int256(i)));
            } catch {
                break;
            }
        }
    }

    function _approveToken(
        address _pool,
        address _token,
        int128 _index
    ) internal {
        IERC20(_token).safeApprove(_pool, UINT_MAX);
        tokenIndex[_token] = _index;
        isPoolToken[_token] = true;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (!_validArgs(_amountIn, _tokenIn, _tokenOut)) return 0;
        uint256 amountOut = _getDySafe(_amountIn, _tokenIn, _tokenOut);
        // Account for possible rounding error
        return amountOut > 0 ? amountOut - 1 : 0;
    }

    function _validArgs(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return _amountIn != 0 && _tokenIn != _tokenOut && isPoolToken[_tokenIn] && isPoolToken[_tokenOut];
    }

    function _getDySafe(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256) {
        try ICurvePlain128(POOL).get_dy(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ICurvePlain128(POOL).exchange(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, _amountOut);
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurvePlain128Native.sol";
import "../interface/IERC20.sol";
import "../interface/IWETH.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";


contract CurvePlain128NativeAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address constant NATIVE = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
    address immutable WNATIVE;
    address public immutable POOL;
    mapping(address => int128) public tokenIndex;
    mapping(address => bool) public isPoolToken;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _pool,
        address _wNative
    ) SummitAdapter(_name, _swapGasEstimate) {
        IERC20(_wNative).safeApprove(_wNative, UINT_MAX);
        _setPoolTokens(_pool, _wNative);
        WNATIVE = _wNative;
        POOL = _pool;
    }

    // Mapping indicator which tokens are included in the pool
    function _setPoolTokens(address _pool, address _wNative) internal {
        for (uint256 i = 0; true; i++) {
            try ICurvePlain128Native(_pool).coins(i) returns (address token) {
                _addTokenToPool(_pool, token, int128(int256(i)), _wNative);
            } catch {
                break;
            }
        }
    }

    function _addTokenToPool(
        address _pool,
        address _token,
        int128 _index, 
        address _wNative
    ) internal {
        if (_token != NATIVE) {
            IERC20(_token).safeApprove(_pool, UINT_MAX);
        } else {
            _token = _wNative;
        }
        tokenIndex[_token] = _index;
        isPoolToken[_token] = true;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (!_validArgs(_amountIn, _tokenIn, _tokenOut)) return 0;
        uint256 amountOut = _getDySafe(_amountIn, _tokenIn, _tokenOut);
        // Account for possible rounding error
        return amountOut > 0 ? amountOut - 1 : 0;
    }

    function _validArgs(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return _amountIn != 0 && 
            _tokenIn != _tokenOut && 
            isPoolToken[_tokenIn] && 
            isPoolToken[_tokenOut];
    }

    function _getDySafe(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256) {
        try ICurvePlain128Native(POOL).get_dy(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        uint256 transferVal;
        if (_tokenIn == WNATIVE) {
            transferVal = _amountIn;
            IWETH(WNATIVE).withdraw(_amountIn);
        }
        uint256 dy = ICurvePlain128Native(POOL).exchange{ value: transferVal }(
            tokenIndex[_tokenIn], 
            tokenIndex[_tokenOut], 
            _amountIn, 
            _amountOut
        );
        if (_tokenOut == WNATIVE) {
            IWETH(WNATIVE).deposit{ value: dy }();
        }
        _returnTo(_tokenOut, dy, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ICurvePlain256.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract CurvePlain256Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable POOL;
    mapping(address => uint256) public tokenIndex;
    mapping(address => bool) public isPoolToken;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        name = _name;
        POOL = _pool;
        _setPoolTokens(_pool);
        setSwapGasEstimate(_swapGasEstimate);
    }

    function _setPoolTokens(address _pool) internal {
        for (uint256 i = 0; true; i++) {
            address token = _getCoinByIndexSafe(_pool, i);
            if (token == address(0)) break;
            _addToken(_pool, token, i);
        }
    }

    function _getCoinByIndexSafe(address _pool, uint256 _index) internal view returns (address token) {
        try ICurvePlain256(_pool).coins(_index) returns (address _token) {
            token = _token;
        } catch {}
    }

    function _addToken(
        address _pool,
        address _token,
        uint256 _index
    ) internal {
        IERC20(_token).safeApprove(_pool, UINT_MAX);
        tokenIndex[_token] = _index;
        isPoolToken[_token] = true;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (!_validArgs(_amountIn, _tokenIn, _tokenOut)) return 0;
        uint256 amountOut = _getDySafe(_amountIn, _tokenIn, _tokenOut);
        // Account for possible rounding error
        return amountOut > 0 ? amountOut - 1 : 0;
    }

    function _validArgs(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return _amountIn != 0 && _tokenIn != _tokenOut && isPoolToken[_tokenIn] && isPoolToken[_tokenOut];
    }

    function _getDySafe(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256) {
        try ICurvePlain256(POOL).get_dy(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ICurvePlain256(POOL).exchange(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, _amountOut);
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IDodoV1.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract DodoV1Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable HELPER;
    mapping(address => mapping(address => address)) tknsToPool; // base > quote > pool

    constructor(
        string memory _name,
        address[] memory _pools,
        address _helper,
        uint256 _gasEstimate
    ) SummitAdapter(_name, _gasEstimate) {
        _setPools(_pools, true);
        HELPER = _helper;
    }

    function setPools(address[] memory _pools, bool overwrite) external onlyMaintainer {
        _setPools(_pools, overwrite);
    }

    function _rmPools(address[] memory _pools) external onlyMaintainer {
        for (uint256 i; i < _pools.length; ++i) {
            (address baseTkn, address quoteTkn) = _getTknsForPool(_pools[i]);
            tknsToPool[baseTkn][quoteTkn] = address(0);
        }
    }

    function _setPools(address[] memory _pools, bool overwrite) internal {
        for (uint256 i; i < _pools.length; ++i) _setPool(_pools[i], overwrite);
    }

    function _setPool(address _pool, bool overwrite) internal {
        (address baseTkn, address quoteTkn) = _getTknsForPool(_pool);
        if (!overwrite) _overwriteCheck(baseTkn, quoteTkn, _pool);
        _approveTknsForPool(baseTkn, quoteTkn, _pool);
        tknsToPool[baseTkn][quoteTkn] = _pool;
    }

    function _getTknsForPool(address _pool) internal view returns (address baseToken, address quoteToken) {
        baseToken = IDodoV1(_pool)._BASE_TOKEN_();
        quoteToken = IDodoV1(_pool)._QUOTE_TOKEN_();
    }

    function _overwriteCheck(
        address baseTkn,
        address quoteTkn,
        address pool
    ) internal view {
        address existingPool = tknsToPool[baseTkn][quoteTkn];
        require(existingPool == address(0) || existingPool == pool, "Not allowed to overwrite");
    }

    function _approveTknsForPool(
        address _baseTkn,
        address _quoteTkn,
        address _pool
    ) internal {
        IERC20(_baseTkn).safeApprove(_pool, UINT_MAX);
        IERC20(_quoteTkn).safeApprove(_pool, UINT_MAX);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_amountIn == 0) return 0;
        address pool = tknsToPool[_tokenIn][_tokenOut];
        if (pool != address(0)) return IDodoV1(pool).querySellBaseToken(_amountIn);
        pool = tknsToPool[_tokenOut][_tokenIn];
        if (pool != address(0)) return IDodoHelper(HELPER).querySellQuoteToken(pool, _amountIn);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        address pool = tknsToPool[_tokenIn][_tokenOut];
        if (pool != address(0)) IDodoV1(pool).sellBaseToken(_amountIn, _amountOut, "");
        pool = tknsToPool[_tokenOut][_tokenIn];
        if (pool != address(0)) IDodoV1(pool).buyBaseToken(_amountOut, _amountIn, "");
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IDodoV2.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract DodoV2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    mapping(address => mapping(address => address)) public tknsToPool; // base > quote > pool

    constructor(
        string memory _name,
        address[] memory _pools,
        uint256 _gasEstimate
    ) SummitAdapter(_name, _gasEstimate) {
        _setPools(_pools, true);
    }

    function setPools(address[] memory _pools, bool overwrite) external onlyMaintainer {
        _setPools(_pools, overwrite);
    }

    function _rmPools(address[] memory _pools) external onlyMaintainer {
        for (uint256 i; i < _pools.length; ++i) {
            (address baseTkn, address quoteTkn) = _getTknsForPool(_pools[i]);
            tknsToPool[baseTkn][quoteTkn] = address(0);
        }
    }

    function _setPools(address[] memory _pools, bool overwrite) internal {
        for (uint256 i; i < _pools.length; ++i) _setPool(_pools[i], overwrite);
    }

    function _setPool(address _pool, bool overwrite) internal {
        (address baseTkn, address quoteTkn) = _getTknsForPool(_pool);
        if (!overwrite) _overwriteCheck(baseTkn, quoteTkn, _pool);
        tknsToPool[baseTkn][quoteTkn] = _pool;
    }

    function _getTknsForPool(address _pool) internal view returns (address baseToken, address quoteToken) {
        baseToken = IDodoV2(_pool)._BASE_TOKEN_();
        quoteToken = IDodoV2(_pool)._QUOTE_TOKEN_();
    }

    function _overwriteCheck(
        address baseTkn,
        address quoteTkn,
        address pool
    ) internal view {
        address existingPool = tknsToPool[baseTkn][quoteTkn];
        require(existingPool == address(0) || existingPool == pool, "Not allowed to overwrite");
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 returnAmount) {
        if (_amountIn == 0) return 0;
        address pool = tknsToPool[_tokenIn][_tokenOut];
        if (pool != address(0)) return IDodoV2(pool).querySellBase(address(this), _amountIn);
        pool = tknsToPool[_tokenOut][_tokenIn];
        if (pool != address(0)) return IDodoV2(pool).querySellQuote(address(this), _amountIn);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        uint256 returned = _dodoSwap(_amountIn, _tokenIn, _tokenOut);
        require(returned >= _amountOut, "Insufficient amount-out");
        _returnTo(_tokenOut, returned, _to);
    }

    function _dodoSwap(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal returns (uint256) {
        (function(address) external returns (uint256) fn, address pool) = _getPoolAndSwapFn(_tokenIn, _tokenOut);
        IERC20(_tokenIn).safeTransfer(pool, _amountIn);
        return fn(address(this));
    }

    function _getPoolAndSwapFn(address _tokenIn, address _tokenOut)
        internal
        view
        returns (function(address) external returns (uint256), address)
    {
        address pool = tknsToPool[_tokenIn][_tokenOut];
        if (pool != address(0)) return (IDodoV2(pool).sellBase, pool);
        pool = tknsToPool[_tokenOut][_tokenIn];
        if (pool != address(0)) return (IDodoV2(pool).sellQuote, pool);
        revert("Token pair not supported");
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IUniswapFactory.sol";
import "../interface/IUniswapPair.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface IDxSwapPair is IUniswapPair {
    function swapFee() external view returns (uint256);
}

contract DxSwapAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 internal constant FEE_DENOMINATOR = 1e4;
    address public immutable FACTORY;

    constructor(
        string memory _name,
        address _factory,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        FACTORY = _factory;
    }

    function _getAmountOut(
        uint256 _amountIn,
        uint256 _reserveIn,
        uint256 _reserveOut,
        uint256 _fee
    ) internal pure returns (uint256 amountOut) {
        uint256 feeCompliment = FEE_DENOMINATOR - _fee;
        uint256 amountInWithFee = _amountIn * feeCompliment;
        uint256 numerator = amountInWithFee * _reserveOut;
        uint256 denominator = _reserveIn * FEE_DENOMINATOR + amountInWithFee;
        amountOut = numerator / denominator;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_tokenIn == _tokenOut || _amountIn == 0) {
            return 0;
        }
        address pair = IUniswapFactory(FACTORY).getPair(_tokenIn, _tokenOut);
        if (pair == address(0)) {
            return 0;
        }
        (uint256 r0, uint256 r1, ) = IUniswapPair(pair).getReserves();
        (uint256 reserveIn, uint256 reserveOut) = _tokenIn < _tokenOut ? (r0, r1) : (r1, r0);
        if (reserveIn > 0 && reserveOut > 0) {
            uint256 fee = IDxSwapPair(pair).swapFee();
            return _getAmountOut(_amountIn, reserveIn, reserveOut, fee);
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        address pair = IUniswapFactory(FACTORY).getPair(_tokenIn, _tokenOut);
        (uint256 amount0Out, uint256 amount1Out) = (_tokenIn < _tokenOut)
            ? (uint256(0), _amountOut)
            : (_amountOut, uint256(0));
        IERC20(_tokenIn).safeTransfer(pair, _amountIn);
        IUniswapPair(pair).swap(amount0Out, amount1Out, to, new bytes(0));
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3AdapterBase.sol";

contract FusionAdapter is UniswapV3AdapterBase {

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address _factory,
        uint24[] memory _defaultFees
    ) UniswapV3AdapterBase(_name, _swapGasEstimate, _quoterGasLimit, _quoter, _factory, _defaultFees) {
    }

    function fusionXV3SwapCallback (
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external {
        if (amount0Delta > 0) {
            IERC20(IUniV3Pool(msg.sender).token0()).transfer(msg.sender, uint256(amount0Delta));
        } else {
            IERC20(IUniV3Pool(msg.sender).token1()).transfer(msg.sender, uint256(amount1Delta));
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IGeodePortal.sol";
import "../interface/IGeodeWP.sol";
import "../interface/IgAVAX.sol";
import "../interface/IERC20.sol";
import "../interface/IWETH.sol";
import "../SummitAdapter.sol";

contract GeodeWPAdapter is SummitAdapter {
    address internal constant WAVAX = 0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7;
    uint256 internal constant gAVAX_DENOMINATOR = 1e18;
    uint256 internal constant IGNORABLE_DEBT = 1e18;
    uint256 public immutable pooledTknId;
    address public immutable portal;
    address public immutable gavax;
    address public immutable pool;
    address public pooledTknInterface;

    constructor(
        string memory _name,
        address _portal,
        uint256 _pooledTknId,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        pooledTknInterface = IGeodePortal(_portal).planetCurrentInterface(_pooledTknId);
        address _pool = IGeodePortal(_portal).planetWithdrawalPool(_pooledTknId);
        address _gavax = IGeodePortal(_portal).gAVAX();
        IgAVAX(_gavax).setApprovalForAll(_pool, true);
        pooledTknId = _pooledTknId;
        portal = _portal;
        gavax = _gavax;
        pool = _pool;
    }

    function setInterfaceForPooledTkn(address interfaceAddress) public onlyMaintainer {
        require(IgAVAX(gavax).isInterface(interfaceAddress, pooledTknId), "Not valid interface");
        pooledTknInterface = interfaceAddress;
    }

    function setGAvaxAllowance() public onlyMaintainer {
        IgAVAX(gavax).setApprovalForAll(pool, true);
    }

    function revokeGAvaxAllowance() public onlyMaintainer {
        IgAVAX(gavax).setApprovalForAll(pool, false);
    }

    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes memory
    ) public virtual returns (bytes4) {
        return this.onERC1155Received.selector;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_amountIn == 0 || IGeodeWP(pool).paused()) {
            amountOut = 0;
        } else if (_tokenIn == WAVAX && _tokenOut == pooledTknInterface) {
            amountOut = _calcSwapAndMint(_amountIn);
        } else if (_tokenOut == WAVAX && _tokenIn == pooledTknInterface) {
            amountOut = _calcSwap(1, 0, _amountIn);
        }
    }

    function _calcSwapAndMint(uint256 amountIn) internal view returns (uint256) {
        uint256 debt = IGeodeWP(pool).getDebt();
        if (debt >= amountIn || _stakingPaused()) {
            // If pool is unbalanced and missing avax it's cheaper to swap
            return _calcSwap(0, 1, amountIn);
        } else {
            // Swap debt and mint the rest
            uint256 amountOutBought;
            if (debt > IGNORABLE_DEBT) {
                amountOutBought = _calcSwap(0, 1, debt);
                amountIn -= debt;
            }
            uint256 amountOutMinted = _calcMint(amountIn);
            return amountOutBought + amountOutMinted;
        }
    }

    function _stakingPaused() internal view returns (bool) {
        return IGeodePortal(portal).isStakingPausedForPool(pooledTknId);
    }

    function _calcSwap(
        uint8 tknInIndex,
        uint8 tknOutIndex,
        uint256 amountIn
    ) internal view returns (uint256) {
        try IGeodeWP(pool).calculateSwap(tknInIndex, tknOutIndex, amountIn) returns (uint256 amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _calcMint(uint256 amountIn) internal view returns (uint256) {
        uint256 price = IgAVAX(gavax).pricePerShare(pooledTknId);
        return (amountIn * gAVAX_DENOMINATOR) / price;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        if (_tokenIn == WAVAX) {
            IWETH(WAVAX).withdraw(_amountIn);
            if (_stakingPaused()) {
                _swapUnderlying(0, 1, _amountIn, _amountOut, _amountIn);
            } else {
                _geodeStake(_amountIn, _amountOut);
            }
        } else {
            _swapUnderlying(1, 0, _amountIn, _amountOut, 0);
            IWETH(WAVAX).deposit{ value: address(this).balance }();
        }
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        require(balThis >= _amountOut, "Insufficient amount out");
        _returnTo(_tokenOut, balThis, _to);
    }

    function _swapUnderlying(
        uint8 _tokenInIndex,
        uint8 _tokenOutIndex,
        uint256 _amountIn,
        uint256 _amountOut,
        uint256 _val
    ) internal {
        IGeodeWP(pool).swap{ value: _val }(_tokenInIndex, _tokenOutIndex, _amountIn, _amountOut, block.timestamp);
    }

    function _geodeStake(uint256 _amountIn, uint256 _amountOut) internal {
        IGeodePortal(portal).stake{ value: _amountIn }(pooledTknId, _amountOut, block.timestamp);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.0;

import "../interface/IGmxVault.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract GmxAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 public constant BASIS_POINTS_DIVISOR = 1e4;
    uint256 public constant PRICE_PRECISION = 1e30;
    uint256 public constant USDG_DECIMALS = 18;
    address public immutable VAULT;
    bool immutable USE_VAULT_UTILS;
    address immutable USDG;
    mapping(address => bool) public isPoolTkn; // unwanted tkns can be ignored by adapter
    mapping(address => uint256) tokenDecimals;

    constructor(
        string memory _name,
        address _vault,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        _setVaultTkns(_vault);
        USE_VAULT_UTILS = _vaultHasUtils(_vault);
        USDG = IGmxVault(_vault).usdg();
        VAULT = _vault;
    }

    //                                 UTILS                                  \\

    function addPoolTkns(address[] calldata _tokens) external onlyMaintainer {
        for (uint256 i; i < _tokens.length; ++i) _setToken(_tokens[i]);
    }

    function rmPoolTkns(address[] calldata _tokens) external onlyMaintainer {
        for (uint256 i; i < _tokens.length; ++i) isPoolTkn[_tokens[i]] = false;
    }

    function _setVaultTkns(address _vault) internal {
        uint256 whitelistedTknsLen = IGmxVault(_vault).allWhitelistedTokensLength();
        for (uint256 i = 0; i < whitelistedTknsLen; i++) {
            address token = IGmxVault(_vault).allWhitelistedTokens(i);
            _setToken(token);
        }
    }

    function _setToken(address _token) internal {
        tokenDecimals[_token] = IERC20(_token).decimals();
        isPoolTkn[_token] = true;
    }

    function _vaultHasUtils(address _vault) internal view returns (bool) {
        try IGmxVault(_vault).vaultUtils() {
            return true;
        } catch {
            return false;
        }
    }

    //                                 QUERY                                  \\

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_validArgs(_amountIn, _tokenIn, _tokenOut)) return _getAmountOut(_amountIn, _tokenIn, _tokenOut);
    }

    function _validArgs(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return
            _amountIn != 0 &&
            _tokenIn != _tokenOut &&
            isPoolTkn[_tokenIn] &&
            IGmxVault(VAULT).whitelistedTokens(_tokenIn) &&
            IGmxVault(VAULT).whitelistedTokens(_tokenOut) &&
            IGmxVault(VAULT).isSwapEnabled() &&
            _hasVaultEnoughBal(_tokenIn, 1); // Prevents calc problems
    }

    function _getAmountOut(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256) {
        (uint256 amountOut, uint256 usdgAmount) = _getGrossAmountOutAndUsdg(_amountIn, _tokenIn, _tokenOut);
        return _calcNetAmountOut(_tokenIn, _tokenOut, amountOut, usdgAmount);
    }

    function _calcNetAmountOut(
        address _tokenIn,
        address _tokenOut,
        uint256 _amountOut,
        uint256 _usdgAmount
    ) internal view returns (uint256) {
        uint256 feeBps = _getFeeBasisPoint(_tokenIn, _tokenOut, _usdgAmount);
        uint256 netAmountOut = _amountOutAfterFees(_amountOut, feeBps);
        bool withinVaultLimits = _isWithinVaultLimits(_tokenIn, _tokenOut, _usdgAmount, netAmountOut);
        if (withinVaultLimits) return netAmountOut;
    }

    function _getGrossAmountOutAndUsdg(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256 amountOut, uint256 usdgAmount) {
        (uint256 priceIn, uint256 priceOut) = _getPrices(_tokenIn, _tokenOut);
        amountOut = (_amountIn * priceIn) / priceOut;
        amountOut = _adjustForDecimals(amountOut, _tokenIn, _tokenOut);
        usdgAmount = _getUsdgAmount(_amountIn, priceIn, _tokenIn);
    }

    function _getUsdgAmount(
        uint256 _amountIn,
        uint256 _priceIn,
        address _tokenIn
    ) internal view returns (uint256 usdgAmount) {
        usdgAmount = (_amountIn * _priceIn) / PRICE_PRECISION;
        usdgAmount = _adjustForDecimals(usdgAmount, _tokenIn, USDG);
    }

    function _amountOutAfterFees(uint256 _amountOut, uint256 _feeBasisPoints) internal pure returns (uint256) {
        return (_amountOut * (BASIS_POINTS_DIVISOR - _feeBasisPoints)) / BASIS_POINTS_DIVISOR;
    }

    function _adjustForDecimals(
        uint256 _amount,
        address _tokenDiv,
        address _tokenMul
    ) internal view returns (uint256) {
        uint256 decimalsDiv = _tokenDiv == USDG ? USDG_DECIMALS : tokenDecimals[_tokenDiv];
        uint256 decimalsMul = _tokenMul == USDG ? USDG_DECIMALS : tokenDecimals[_tokenMul];
        return (_amount * 10**decimalsMul) / 10**decimalsDiv;
    }

    function _getPrices(address _tokenIn, address _tokenOut) internal view returns (uint256 priceIn, uint256 priceOut) {
        IGmxVaultPriceFeed priceFeed = IGmxVault(VAULT).priceFeed();
        priceIn = priceFeed.getPrice(_tokenIn, false, true, true);
        priceOut = priceFeed.getPrice(_tokenOut, true, true, true);
    }

    function _hasVaultEnoughBal(address _token, uint256 _amount) private view returns (bool) {
        return IERC20(_token).balanceOf(VAULT) >= _amount;
    }

    function _isWithinVaultLimits(
        address _tokenIn,
        address _tokenOut,
        uint256 _amountInUsdg,
        uint256 _amountOut
    ) private view returns (bool) {
        uint256 poolBalTknOut = IGmxVault(VAULT).poolAmounts(_tokenOut);
        if (poolBalTknOut < _amountOut) return false;
        uint256 newPoolBalTknOut = poolBalTknOut - _amountOut;
        return
            !reservedAmountExceeded(newPoolBalTknOut, _tokenOut) &&
            !bufferAmountExceeded(newPoolBalTknOut, _tokenOut) &&
            !maxDebtExceeded(_amountInUsdg, _tokenIn);
    }

    function reservedAmountExceeded(uint256 _newPoolBalTknOut, address _tokenOut) internal view returns (bool) {
        uint256 reservedAmount = IGmxVault(VAULT).reservedAmounts(_tokenOut);
        return _newPoolBalTknOut < reservedAmount;
    }

    function bufferAmountExceeded(uint256 _newPoolBalTknOut, address _tokenOut) internal view returns (bool) {
        uint256 bufferAmount = IGmxVault(VAULT).bufferAmounts(_tokenOut);
        return _newPoolBalTknOut < bufferAmount;
    }

    function maxDebtExceeded(uint256 _amountInUsdg, address _tokenIn) internal view returns (bool) {
        uint256 maxUsdgAmount = IGmxVault(VAULT).maxUsdgAmounts(_tokenIn);
        if (maxUsdgAmount == 0) return false;
        uint256 newUsdgAmount = IGmxVault(VAULT).usdgAmounts(_tokenIn) + _amountInUsdg;
        return newUsdgAmount > maxUsdgAmount;
    }

    function _getFeeBasisPoint(
        address _tokenIn,
        address _tokenOut,
        uint256 usdgAmount
    ) internal view returns (uint256) {
        if (USE_VAULT_UTILS)
            return IGmxVault(VAULT).vaultUtils().getSwapFeeBasisPoints(_tokenIn, _tokenOut, usdgAmount);
        return _calcFeeBasisPoints(_tokenIn, _tokenOut, usdgAmount);
    }

    function _calcFeeBasisPoints(
        address _tokenIn,
        address _tokenOut,
        uint256 usdgAmount
    ) internal view returns (uint256 feeBasisPoints) {
        bool isStableSwap = IGmxVault(VAULT).stableTokens(_tokenIn) && IGmxVault(VAULT).stableTokens(_tokenOut);
        uint256 baseBps = isStableSwap
            ? IGmxVault(VAULT).stableSwapFeeBasisPoints()
            : IGmxVault(VAULT).swapFeeBasisPoints();
        uint256 taxBps = isStableSwap ? IGmxVault(VAULT).stableTaxBasisPoints() : IGmxVault(VAULT).taxBasisPoints();
        uint256 feesBasisPoints0 = IGmxVault(VAULT).getFeeBasisPoints(_tokenIn, usdgAmount, baseBps, taxBps, true);
        uint256 feesBasisPoints1 = IGmxVault(VAULT).getFeeBasisPoints(_tokenOut, usdgAmount, baseBps, taxBps, false);
        // use the higher of the two fee basis points
        feeBasisPoints = feesBasisPoints0 > feesBasisPoints1 ? feesBasisPoints0 : feesBasisPoints1;
    }

    //                                  SWAP                                  \\

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        IERC20(_tokenIn).safeTransfer(VAULT, _amountIn);
        IGmxVault(VAULT).swap(
            _tokenIn,
            _tokenOut,
            address(this) // No check for amount-out within swap function
        );
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IKyberPool.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract KyberAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 public constant PRECISION = 1e18;
    mapping(address => mapping(address => address)) internal TKNS_TO_POOL;

    constructor(
        string memory _name,
        address[] memory _pools,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        addPools(_pools);
    }

    function addPools(address[] memory _pools) public onlyMaintainer {
        // Note: Overrides existing if pool has same tkns but different APR
        for (uint256 i = 0; i < _pools.length; i++) {
            address tkn0 = IKyberPool(_pools[i]).token0();
            address tkn1 = IKyberPool(_pools[i]).token1();
            TKNS_TO_POOL[tkn0][tkn1] = _pools[i];
            TKNS_TO_POOL[tkn1][tkn0] = _pools[i];
        }
    }

    function removePools(address[] memory _pools) public onlyMaintainer {
        // Note: Overrides existing if pool has same tkns but different APR
        for (uint256 i = 0; i < _pools.length; i++) {
            address tkn0 = IKyberPool(_pools[i]).token0();
            address tkn1 = IKyberPool(_pools[i]).token1();
            TKNS_TO_POOL[tkn0][tkn1] = address(0);
            TKNS_TO_POOL[tkn1][tkn0] = address(0);
        }
    }

    function getPool(address tkn0, address tkn1) public view returns (address) {
        return TKNS_TO_POOL[tkn0][tkn1];
    }

    function _getAmountOut(
        uint256 amountIn,
        uint256 vReserveIn,
        uint256 vReserveOut,
        uint256 feeInPrecision
    ) internal pure returns (uint256 amountOut) {
        // Based on https://github.com/dynamic-amm/smart-contracts/blob/master/contracts/libraries/DMMLibrary.sol
        uint256 amountInWithFee = (amountIn * (PRECISION - feeInPrecision)) / PRECISION;
        uint256 numerator = amountInWithFee * vReserveOut;
        uint256 denominator = vReserveIn + amountInWithFee;
        amountOut = numerator / denominator;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn == _tokenOut || _amountIn == 0) {
            return 0;
        }
        address pool = getPool(_tokenIn, _tokenOut);
        if (pool == address(0)) {
            return 0;
        }
        (uint112 r0, uint112 r1, uint112 vr0, uint112 vr1, uint256 feeInPrecision) = IKyberPool(pool).getTradeInfo();
        (uint112 reserveIn, uint112 reserveOut) = _tokenIn < _tokenOut ? (r0, r1) : (r1, r0);
        (uint112 vReserveIn, uint112 vReserveOut) = _tokenIn < _tokenOut ? (vr0, vr1) : (vr1, vr0);
        if (reserveIn > 0 && reserveOut > 0) {
            uint256 _amountOut = _getAmountOut(_amountIn, vReserveIn, vReserveOut, feeInPrecision);
            if (reserveOut > amountOut) amountOut = _amountOut;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        address pair = getPool(_tokenIn, _tokenOut);
        (uint256 amount0Out, uint256 amount1Out) = (_tokenIn < _tokenOut)
            ? (uint256(0), _amountOut)
            : (_amountOut, uint256(0));
        IERC20(_tokenIn).safeTransfer(pair, _amountIn);
        IKyberPool(pair).swap(amount0Out, amount1Out, to, new bytes(0));
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3likeAdapter.sol";

interface IKyberPool {
    function token0() external view returns (address);

    function token1() external view returns (address);

    function swap(
        address recipient,
        int256 swapQty,
        bool isToken0,
        uint160 limitSqrtP,
        bytes calldata data
    ) external returns (int256 qty0, int256 qty1);
}

contract KyberElasticAdapter is UniswapV3likeAdapter {
    using SafeERC20 for IERC20;

    mapping(address => mapping(address => address)) public tknsToPoolWL;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address[] memory _whitelistedPools
    ) UniswapV3likeAdapter(_name, _swapGasEstimate, _quoter, _quoterGasLimit) {
        addPoolsToWL(_whitelistedPools);
    }

    function addPoolsToWL(address[] memory pools) public onlyMaintainer {
        for (uint256 i; i < pools.length; ++i) addPoolToWL(pools[i]);
    }

    function rmPoolsFromWL(address[] memory pools) external onlyMaintainer {
        for (uint256 i; i < pools.length; ++i) rmPoolFromWL(pools[i]);
    }

    function addPoolToWL(address pool) internal {
        address t0 = IKyberPool(pool).token0();
        address t1 = IKyberPool(pool).token1();
        tknsToPoolWL[t0][t1] = pool;
        tknsToPoolWL[t1][t0] = pool;
    }

    function rmPoolFromWL(address pool) internal {
        address t0 = IKyberPool(pool).token0();
        address t1 = IKyberPool(pool).token1();
        tknsToPoolWL[t0][t1] = address(0);
        tknsToPoolWL[t1][t0] = address(0);
    }

    function _underlyingSwap(
        QParams memory params, 
        bytes memory callbackData
    ) internal override returns (uint256) {
        address pool = getBestPool(params.tokenIn, params.tokenOut);
        (bool zeroForOne, uint160 sqrtPriceLimitX96) = 
            getZeroOneAndSqrtPriceLimitX96(params.tokenIn, params.tokenOut);
        (int256 amount0, int256 amount1) = IKyberPool(pool).swap(
            address(this),
            int256(params.amountIn),
            zeroForOne,
            sqrtPriceLimitX96,
            callbackData
        );
        return zeroForOne ? uint256(-amount1) : uint256(-amount0);
    }

    function getBestPool(
        address token0, 
        address token1
    ) internal view override returns (address) {
        return tknsToPoolWL[token0][token1];
    }

    function swapCallback(
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external {
        if (amount0Delta > 0) {
            IERC20(IKyberPool(msg.sender).token0()).transfer(msg.sender, uint256(amount0Delta));
        } else {
            IERC20(IKyberPool(msg.sender).token1()).transfer(msg.sender, uint256(amount1Delta));
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;


import "../SummitAdapter.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../interface/ILBFactory.sol";
import "../interface/ILB2Pair.sol";

struct LBQuote {
    uint256 amountOut;
    address pair;
    bool swapForY;
}

contract LB2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable FACTORY;
    bool public allowIgnoredPairs = true;
    bool public allowExternalPairs = true;
    uint256 public quoteGasLimit = 600_000;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoteGasLimit,
        address _factory
    ) SummitAdapter(_name, _swapGasEstimate) {
        setQuoteGasLimit(_quoteGasLimit);
        FACTORY = _factory;
    }

    function setAllowIgnoredPairs(bool _allowIgnoredPairs) external onlyMaintainer {
        allowIgnoredPairs = _allowIgnoredPairs;
    }

    function setAllowExternalPairs(bool _allowExternalPairs) external onlyMaintainer {
        allowExternalPairs = _allowExternalPairs;
    }

    function setQuoteGasLimit(uint256 _quoteGasLimit) public onlyMaintainer {
        quoteGasLimit = _quoteGasLimit;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        (amountOut, , ) = _getBestQuote(_amountIn, _tokenIn, _tokenOut);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _minAmountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        (uint256 amountOut, address pair, bool swapForY) = _getBestQuote(_amountIn, _tokenIn, _tokenOut);
        require(amountOut >= _minAmountOut, "LBAdapter: insufficient amountOut received");
        IERC20(_tokenIn).transfer(pair, _amountIn);
        ILBPair(pair).swap(swapForY, to);
    }

    function _getBestQuote(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    )
        internal
        view
        returns (
            uint256 amountOut,
            address pair,
            bool swapForY
        )
    {
        ILBFactory.LBPairInformation[] memory LBPairsAvailable = ILBFactory(FACTORY).getAllLBPairs(_tokenIn, _tokenOut);

        if (LBPairsAvailable.length > 0 && _amountIn > 0) {
            for (uint256 i; i < LBPairsAvailable.length; ++i) {
                if (!LBPairsAvailable[i].ignoredForRouting && !allowIgnoredPairs) {
                    continue;
                }
                if (!LBPairsAvailable[i].createdByOwner && !allowExternalPairs) {
                    continue;
                }

                swapForY = ILBPair(LBPairsAvailable[i].LBPair).getTokenY() == _tokenOut;
                uint256 swapAmountOut = getQuote(LBPairsAvailable[i].LBPair, _amountIn, swapForY);

                if (swapAmountOut > amountOut) {
                    amountOut = swapAmountOut;
                    pair = LBPairsAvailable[i].LBPair;
                }
            }
        }
    }

    function getQuote(
        address pair,
        uint256 amountIn,
        bool swapForY
    ) internal view returns (uint256 out) {
        try ILBPair(pair).getSwapOut{gas: quoteGasLimit}(
            uint128(amountIn), 
            swapForY
        ) returns (uint128 amountInLeft, uint128 amountOut, uint128) {
            if (amountInLeft == 0) {
                out = amountOut;
            }
        } catch {}
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../SummitAdapter.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../interface/ILBRouter.sol";
import "../interface/ILBFactory.sol";
import "../interface/ILBPair.sol";

struct LBQuote {
    uint256 amountOut;
    address pair;
    bool swapForY;
}

contract LBAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable FACTORY;
    address public immutable ROUTER;
    bool public allowIgnoredPairs = true;
    bool public allowExternalPairs = true;
    uint256 public quoteGasLimit = 600_000;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _router
    ) SummitAdapter(_name, _swapGasEstimate) {
        FACTORY = ILBRouter(_router).factory();
        ROUTER = _router;
    }

    function setAllowIgnoredPairs(bool _allowIgnoredPairs) external onlyMaintainer {
        allowIgnoredPairs = _allowIgnoredPairs;
    }

    function setAllowExternalPairs(bool _allowExternalPairs) external onlyMaintainer {
        allowExternalPairs = _allowExternalPairs;
    }

    function setQuoteGasLimit(uint256 _quoteGasLimit) external onlyMaintainer {
        quoteGasLimit = _quoteGasLimit;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        (amountOut, , ) = _getBestQuote(_amountIn, _tokenIn, _tokenOut);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _minAmountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        (uint256 amountOut, address pair, bool swapForY) = _getBestQuote(_amountIn, _tokenIn, _tokenOut);
        require(amountOut >= _minAmountOut, "LBAdapter: insufficient amountOut received");
        IERC20(_tokenIn).transfer(pair, _amountIn);
        ILBPair(pair).swap(swapForY, to);
    }

    function _getBestQuote(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    )
        internal
        view
        returns (
            uint256 amountOut,
            address pair,
            bool swapForY
        )
    {
        ILBFactory.LBPairInformation[] memory LBPairsAvailable = ILBFactory(FACTORY).getAllLBPairs(_tokenIn, _tokenOut);

        if (LBPairsAvailable.length > 0 && _amountIn > 0) {
            for (uint256 i; i < LBPairsAvailable.length; ++i) {
                if (!LBPairsAvailable[i].ignoredForRouting && !allowIgnoredPairs) {
                    continue;
                }
                if (!LBPairsAvailable[i].createdByOwner && !allowExternalPairs) {
                    continue;
                }

                swapForY = ILBPair(LBPairsAvailable[i].LBPair).tokenY() == _tokenOut;
                uint256 swapAmountOut = getQuote(LBPairsAvailable[i].LBPair, _amountIn, swapForY);

                if (swapAmountOut > amountOut) {
                    amountOut = swapAmountOut;
                    pair = LBPairsAvailable[i].LBPair;
                }
            }
        }
    }

    function getQuote(
        address pair,
        uint256 amountIn,
        bool swapForY
    ) internal view returns (uint256 amountOut) {
        bytes memory calldata_ = abi.encodeWithSignature("getSwapOut(address,uint256,bool)", pair, amountIn, swapForY);
        (bool success, bytes memory data) = ROUTER.staticcall{ gas: quoteGasLimit }(calldata_);
        if (success)
            assembly {
                amountOut := mload(add(data, 0x20))
            }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ImSUMMIT.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract MiniSummitAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public constant SUMMIT = 0x59414b3089ce2AF0010e7523Dea7E2b35d776ec7;
    address public constant mSUMMIT = 0xdDAaAD7366B455AfF8E7c82940C43CEB5829B604;

    constructor(uint256 _swapGasEstimate) SummitAdapter("MiniSummitAdapter", _swapGasEstimate) {
        setAllowances();
    }

    function setAllowances() internal {
        IERC20(mSUMMIT).safeApprove(mSUMMIT, UINT_MAX);
        IERC20(SUMMIT).safeApprove(mSUMMIT, UINT_MAX);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal pure override returns (uint256 amountOut) {
        if ((_tokenIn == mSUMMIT && _tokenOut == SUMMIT) || (_tokenIn == SUMMIT && _tokenOut == mSUMMIT)) {
            amountOut = _amountIn;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        if (_tokenIn == mSUMMIT && _tokenOut == SUMMIT) {
            ImSUMMIT(mSUMMIT).unmoon(_amountIn, _to);
        } else if (_tokenIn == SUMMIT && _tokenOut == mSUMMIT) {
            ImSUMMIT(mSUMMIT).moon(_amountIn, _to);
        } else {
            revert("Unsupported token");
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//                              ,=.
//                ,=""""==.__.="  o".___
//          ,=.=="                  ___/
//    ,==.,"    ,          , \,===""
//   <     ,==)  \"'"=._.==)  \
//    `==''    `"           `"
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IPlatypus.sol";
import "../interface/IERC20.sol";
import "../interface/IWETH.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract PlatypusAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    event PartialPoolSupport(address pool, address[] tkns);
    event AddPoolSupport(address pool);
    event RmPoolSupport(address pool);

    mapping(address => mapping(address => address)) private tknToTknToPool;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address[] memory _initPools
    ) SummitAdapter(_name, _swapGasEstimate) {
        addPools(_initPools);
    }

    function getPoolForTkns(address tknIn, address tknOut) public view returns (address) {
        return tknToTknToPool[tknIn][tknOut];
    }

    function _approveIfNeeded(address tkn, address spender) internal {
        uint256 allowance = IERC20(tkn).allowance(address(this), spender);
        if (allowance < UINT_MAX) {
            IERC20(tkn).approve(spender, UINT_MAX);
        }
    }

    // @dev Returns false if repeated tkns
    function _poolSupportsTkns(address pool, address[] memory tkns) internal view returns (bool) {
        address[] memory supportedTkns = IPlatypus(pool).getTokenAddresses();
        uint256 supportedCount;
        for (uint256 i = 0; i < supportedTkns.length; i++) {
            for (uint256 j = 0; j < tkns.length; j++) {
                if (supportedTkns[i] == tkns[j]) {
                    supportedCount++;
                    break;
                }
            }
        }
        return supportedCount == tkns.length;
    }

    function _setPoolForTkns(address[] memory tkns, address pool) internal {
        for (uint256 i = 0; i < tkns.length; i++) {
            for (uint256 j = 0; j < tkns.length; j++) {
                if (i != j) {
                    tknToTknToPool[tkns[i]][tkns[j]] = pool;
                    if (pool != address(0)) {
                        _approveIfNeeded(tkns[i], pool);
                    }
                }
            }
        }
    }

    function addPools(address[] memory pools) public onlyMaintainer {
        for (uint256 i = 0; i < pools.length; i++) {
            address pool = pools[i];
            address[] memory supportedTkns = IPlatypus(pool).getTokenAddresses();
            _setPoolForTkns(supportedTkns, pool);
            emit AddPoolSupport(pool);
        }
    }

    function setPoolForTkns(address pool, address[] memory tkns) external onlyMaintainer {
        require(tkns.length > 1, "At least two tkns");
        require(pool != address(0), "Only non-zero pool");
        require(_poolSupportsTkns(pool, tkns), "Pool does not support tkns");
        // Assume above checks there is no repeats
        _setPoolForTkns(tkns, pool);
        emit PartialPoolSupport(pool, tkns);
    }

    function rmPools(address[] calldata pools) external onlyMaintainer {
        for (uint256 i = 0; i < pools.length; i++) {
            address pool = pools[i];
            address[] memory supportedTkns = IPlatypus(pool).getTokenAddresses();
            _setPoolForTkns(supportedTkns, address(0));
            emit RmPoolSupport(pool);
        }
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        address pool = getPoolForTkns(_tokenIn, _tokenOut);
        if (pool == address(0) || _amountIn == 0 || IPlatypus(pool).paused()) {
            return 0;
        }
        try IPlatypus(pool).quotePotentialSwap(_tokenIn, _tokenOut, _amountIn) returns (uint256 amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        address pool = getPoolForTkns(_tokenIn, _tokenOut);
        IPlatypus(pool).swap(_tokenIn, _tokenOut, _amountIn, _amountOut, _to, block.timestamp);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3likeAdapter.sol";

interface IUniV3Factory {
    function feeAmountTickSpacing(uint24) external view returns (int24);

    function getPool(
        address,
        address,
        uint24
    ) external view returns (address);
}

contract RamsesV2Adapter is UniswapV3likeAdapter {
    using SafeERC20 for IERC20;

    address immutable FACTORY;
    mapping(uint24 => bool) public isFeeAmountEnabled;
    uint24[] public feeAmounts;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address _factory,
        uint24[] memory _defaultFees
    ) UniswapV3likeAdapter(_name, _swapGasEstimate, _quoter, _quoterGasLimit) {
        FACTORY = _factory;
        for (uint i = 0; i < _defaultFees.length; i++) {
            addFeeAmount(_defaultFees[i]);
        }
    }

    function enableFeeAmounts(uint24[] calldata _amounts) external onlyMaintainer {
        for (uint256 i; i < _amounts.length; ++i) enableFeeAmount(_amounts[i]);
    }

    function enableFeeAmount(uint24 _fee) internal {
        require(!isFeeAmountEnabled[_fee], "Fee already enabled");
        if (IUniV3Factory(FACTORY).feeAmountTickSpacing(_fee) == 0)
            revert("Factory doesn't support fee");
        addFeeAmount(_fee);
    }

    function addFeeAmount(uint24 _fee) internal {
        isFeeAmountEnabled[_fee] = true;
        feeAmounts.push(_fee);
    }

    function getBestPool(
        address token0, 
        address token1
    ) internal view override returns (address mostLiquid) {
        uint128 deepestLiquidity;
        for (uint256 i; i < feeAmounts.length; ++i) {
            address pool = IUniV3Factory(FACTORY).getPool(token0, token1, feeAmounts[i]);
            if (pool == address(0))
                continue;
            uint128 liquidity = IUniV3Pool(pool).liquidity();
            if (liquidity > deepestLiquidity) {
                deepestLiquidity = liquidity;
                mostLiquid = pool;
            }
        }
    }

    function ramsesV2SwapCallback(
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external {
        if (amount0Delta > 0) {
            IERC20(IUniV3Pool(msg.sender).token0()).transfer(msg.sender, uint256(amount0Delta));
        } else {
            IERC20(IUniV3Pool(msg.sender).token1()).transfer(msg.sender, uint256(amount1Delta));
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

import { SummitAdapter, IERC20, SafeERC20 } from "../SummitAdapter.sol";
import { IGenericFactory } from "../interface/IGenericFactory.sol";
import { IQuoter } from "../interface/IReservoirQuoter.sol";
import { IReservoirPair } from "../interface/IReservoirPair.sol";

contract ReservoirAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 internal constant FEE_ACCURACY = 1_000_000;

    IGenericFactory public immutable factory;
    IQuoter public immutable quoter;

    constructor(
        string memory _name,
        address _factory,
        address _quoter,
        uint256 _swapGasEstimate // we use the worse off i.e. the stable pair gas estimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        factory = IGenericFactory(_factory);
        quoter = IQuoter(_quoter);
    }

    function _queryWithCurveId(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256 amountOut, uint256 curveId) {
        if (_tokenIn == _tokenOut || _amountIn == 0) {
            return (0, 0);
        }

        address[] memory path = new address[](2);
        path[0] = _tokenIn;
        path[1] = _tokenOut;
        uint256[] memory curveIds = new uint256[](1);
        curveIds[0] = 0;

        uint256 constantProductAmtOut;
        // try get quote for constant product pair
        try quoter.getAmountsOut(_amountIn, path, curveIds) returns (uint256[] memory amtsOut) {
            constantProductAmtOut = amtsOut[1];
        } catch {}

        curveIds[0] = 1;
        uint256 stableAmtOut;
        // try get quote for stable pair
        try quoter.getAmountsOut(_amountIn, path, curveIds) returns (uint256[] memory amtsOut) {
            stableAmtOut = amtsOut[1];
        } catch {}

        return stableAmtOut > constantProductAmtOut ? (stableAmtOut, 1) : (constantProductAmtOut, 0);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        (amountOut, ) = _queryWithCurveId(_amountIn, _tokenIn, _tokenOut);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        (uint256 amountOut, uint256 curveId) = _queryWithCurveId(_amountIn, _tokenIn, _tokenOut);
        require(amountOut >= _amountOut, "ResAdap: Insufficient amount out");

        address pair = factory.getPair(_tokenIn, _tokenOut, curveId);
        address token0 = IReservoirPair(pair).token0();

        IERC20(_tokenIn).safeTransfer(pair, _amountIn);
        IReservoirPair(pair).swap(
            _tokenIn == token0 ? int256(_amountIn) : -int256(_amountIn),
            true,
            to,
            new bytes(0)
        );
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ISaddle.sol";
import "../interface/IERC20.sol";
import "../interface/IWETH.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract SaddleAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    mapping(address => bool) public isPoolToken;
    mapping(address => uint8) public tokenIndex;
    address public pool;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        pool = _pool;
        _setPoolTokens();
    }

    function _setPoolTokens() internal {
        for (uint8 i = 0; true; i++) {
            try ISaddle(pool).getToken(i) returns (address token) {
                approveToPool(token, UINT_MAX);
                isPoolToken[token] = true;
                tokenIndex[token] = i;
            } catch {
                break;
            }
        }
    }

    function approveToPool(address _tokenIn, uint256 _amount) internal {
        uint256 allowance = IERC20(_tokenIn).allowance(address(this), pool);
        if (allowance < _amount) {
            IERC20(_tokenIn).safeApprove(pool, UINT_MAX);
        }
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (
            !isPoolToken[_tokenIn] ||
            !isPoolToken[_tokenOut] ||
            _tokenIn == _tokenOut ||
            _amountIn == 0 ||
            ISaddle(pool).paused()
        ) {
            return 0;
        }
        try ISaddle(pool).calculateSwap(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 amountOut
        ) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        // Note that unsupported token will return index 0 which is valid
        ISaddle(pool).swap(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn, _amountOut, block.timestamp);
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/ISaddleMeta.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract SaddleMetaAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 public constant feeDenominator = 1e10;
    mapping(address => bool) public isPoolToken;
    mapping(address => uint8) public tokenIndex;
    uint256 public poolFeeCompliment;
    address public metaPool;
    address public metaTkn;
    address public pool;

    constructor(
        string memory _name,
        address _pool,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        pool = _pool;
        metaPool = ISaddleMeta(pool).metaSwapStorage(); // Pool that holds USDCe, USDTe, DAIe
        _setPoolTokens();
    }

    // Mapping indicator which tokens are included in the pool
    function _setPoolTokens() internal {
        metaTkn = ISaddleMeta(pool).getToken(0);
        approveToPool(metaTkn, UINT_MAX);
        tokenIndex[metaTkn] = 0;
        for (uint8 i = 0; true; i++) {
            try ISaddleMeta(metaPool).getToken(i) returns (address token) {
                approveToPool(token, UINT_MAX);
                isPoolToken[token] = true;
                tokenIndex[token] = i + 1;
            } catch {
                break;
            }
        }
    }

    function approveToPool(address _tokenIn, uint256 _amount) internal {
        uint256 allowance = IERC20(_tokenIn).allowance(address(this), pool);
        if (allowance < _amount) {
            IERC20(_tokenIn).safeApprove(pool, UINT_MAX);
        }
    }

    function _isPaused() internal view returns (bool) {
        return ISaddleMeta(pool).paused() || ISaddleMeta(metaPool).paused();
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (validInput(_amountIn, _tokenIn, _tokenOut) && !_isPaused())
            amountOut = _getAmountOutSafe(_amountIn, _tokenIn, _tokenOut);
    }

    function validInput(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (bool) {
        return validPath(_tokenIn, _tokenOut) && _amountIn != 0;
    }

    function validPath(address tokenIn, address tokenOut) internal view returns (bool) {
        return (tokenIn == metaTkn && isPoolToken[tokenOut]) || (tokenOut == metaTkn && isPoolToken[tokenIn]);
    }

    function _getAmountOutSafe(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256 amountOut) {
        try ISaddleMeta(pool).calculateSwapUnderlying(tokenIndex[_tokenIn], tokenIndex[_tokenOut], _amountIn) returns (
            uint256 _amountOut
        ) {
            amountOut = _applyError(_amountOut);
        } catch {}
    }

    function _applyError(uint256 _amount) internal pure returns (uint256) {
        return (_amount * 9998) / 10000;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        ISaddleMeta(pool).swapUnderlying(
            tokenIndex[_tokenIn],
            tokenIndex[_tokenOut],
            _amountIn,
            _amountOut,
            block.timestamp
        );
        uint256 balThis = IERC20(_tokenOut).balanceOf(address(this));
        _returnTo(_tokenOut, balThis, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IUniswapFactory.sol";
import "../interface/IUniswapPair.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract UniswapV2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint256 internal constant FEE_DENOMINATOR = 1e3;
    uint256 public immutable feeCompliment;
    address public immutable factory;

    constructor(
        string memory _name,
        address _factory,
        uint256 _fee,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        feeCompliment = FEE_DENOMINATOR - _fee;
        factory = _factory;
    }

    function _getAmountOut(
        uint256 _amountIn,
        uint256 _reserveIn,
        uint256 _reserveOut
    ) internal view returns (uint256 amountOut) {
        // Based on https://github.com/Uniswap/uniswap-v2-periphery/blob/master/contracts/UniswapV2Router02.sol
        uint256 amountInWithFee = _amountIn * feeCompliment;
        uint256 numerator = amountInWithFee * _reserveOut;
        uint256 denominator = _reserveIn * FEE_DENOMINATOR + amountInWithFee;
        amountOut = numerator / denominator;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn == _tokenOut || _amountIn == 0) {
            return 0;
        }
        address pair = IUniswapFactory(factory).getPair(_tokenIn, _tokenOut);
        if (pair == address(0)) {
            return 0;
        }
        (uint256 r0, uint256 r1, ) = IUniswapPair(pair).getReserves();
        (uint256 reserveIn, uint256 reserveOut) = _tokenIn < _tokenOut ? (r0, r1) : (r1, r0);
        if (reserveIn > 0 && reserveOut > 0) {
            amountOut = _getAmountOut(_amountIn, reserveIn, reserveOut);
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        address pair = IUniswapFactory(factory).getPair(_tokenIn, _tokenOut);
        (uint256 amount0Out, uint256 amount1Out) = (_tokenIn < _tokenOut)
            ? (uint256(0), _amountOut)
            : (_amountOut, uint256(0));
        IERC20(_tokenIn).safeTransfer(pair, _amountIn);
        IUniswapPair(pair).swap(amount0Out, amount1Out, to, new bytes(0));
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3AdapterBase.sol";

contract UniswapV3Adapter is UniswapV3AdapterBase {

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address _factory,
        uint24[] memory _defaultFees
    ) UniswapV3AdapterBase(_name, _swapGasEstimate, _quoterGasLimit, _quoter, _factory, _defaultFees) {
    }

    function uniswapV3SwapCallback(
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata
    ) external {
        if (amount0Delta > 0) {
            IERC20(IUniV3Pool(msg.sender).token0()).transfer(msg.sender, uint256(amount0Delta));
        } else {
            IERC20(IUniV3Pool(msg.sender).token1()).transfer(msg.sender, uint256(amount1Delta));
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./UniswapV3likeAdapter.sol";

interface IUniV3Factory {
    function feeAmountTickSpacing(uint24) external view returns (int24);

    function getPool(
        address,
        address,
        uint24
    ) external view returns (address);
}

contract UniswapV3AdapterBase is UniswapV3likeAdapter {
    using SafeERC20 for IERC20;

    address immutable FACTORY;
    mapping(uint24 => bool) public isFeeAmountEnabled;
    uint24[] public feeAmounts;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        uint256 _quoterGasLimit,
        address _quoter,
        address _factory,
        uint24[] memory _defaultFees
    ) UniswapV3likeAdapter(_name, _swapGasEstimate, _quoter, _quoterGasLimit) {
        FACTORY = _factory;
        for (uint i = 0; i < _defaultFees.length; i++) {
            addFeeAmount(_defaultFees[i]);
        }
    }

    function enableFeeAmounts(uint24[] calldata _amounts) external onlyMaintainer {
        for (uint256 i; i < _amounts.length; ++i) enableFeeAmount(_amounts[i]);
    }

    function enableFeeAmount(uint24 _fee) internal {
        require(!isFeeAmountEnabled[_fee], "Fee already enabled");
        if (IUniV3Factory(FACTORY).feeAmountTickSpacing(_fee) == 0)
            revert("Factory doesn't support fee");
        addFeeAmount(_fee);
    }

    function addFeeAmount(uint24 _fee) internal {
        isFeeAmountEnabled[_fee] = true;
        feeAmounts.push(_fee);
    }

    function getBestPool(
        address token0, 
        address token1
    ) internal view override returns (address mostLiquid) {
        uint128 deepestLiquidity;
        for (uint256 i; i < feeAmounts.length; ++i) {
            address pool = IUniV3Factory(FACTORY).getPool(token0, token1, feeAmounts[i]);
            if (pool == address(0))
                continue;
            uint128 liquidity = IUniV3Pool(pool).liquidity();
            if (liquidity > deepestLiquidity) {
                deepestLiquidity = liquidity;
                mostLiquid = pool;
            }
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

struct QParams {
    address tokenIn;
    address tokenOut;
    int256 amountIn;
    uint24 fee;
}

interface IUniV3Pool {
    function swap(
        address recipient,
        bool zeroForOne,
        int256 amountSpecified,
        uint160 sqrtPriceLimitX96,
        bytes calldata data
    ) external returns (int256 amount0, int256 amount1);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function liquidity() external view returns (uint128);
}

interface IUniV3Quoter {
    function quoteExactInputSingle(
        QParams memory params
    ) external view returns (uint256);

    function quote(
        address,
        bool,
        int256,
        uint160
    ) external view returns (int256, int256);
}

abstract contract UniswapV3likeAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342;
    uint160 internal constant MIN_SQRT_RATIO = 4295128739;
    uint256 public quoterGasLimit;
    address public quoter;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _quoter,
        uint256 _quoterGasLimit
    ) SummitAdapter(_name, _swapGasEstimate) {
        setQuoterGasLimit(_quoterGasLimit);
        setQuoter(_quoter);
    }

    function setQuoter(address newQuoter) public onlyMaintainer {
        quoter = newQuoter;
    }

    function setQuoterGasLimit(uint256 newLimit) public onlyMaintainer {
        require(newLimit != 0, "queryGasLimit can't be zero");
        quoterGasLimit = newLimit;
    }

    function getQuoteForPool(
        address pool,
        int256 amountIn,
        address tokenIn,
        address tokenOut
    ) external view returns (uint256) {
        QParams memory params;
        params.amountIn = amountIn;
        params.tokenIn = tokenIn;
        params.tokenOut = tokenOut;
        return getQuoteForPool(pool, params);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 quote) {
        QParams memory params = getQParams(_amountIn, _tokenIn, _tokenOut);
        quote = getQuoteForBestPool(params);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        QParams memory params = getQParams(_amountIn, _tokenIn, _tokenOut);
        uint256 amountOut = _underlyingSwap(params, new bytes(0));
        require(amountOut >= _amountOut, "Insufficient amountOut");
        _returnTo(_tokenOut, amountOut, _to);
    }

    function getQParams(
        uint256 amountIn,
        address tokenIn,
        address tokenOut
    ) internal pure returns (QParams memory params) {
        params = QParams({ 
            amountIn: int256(amountIn), 
            tokenIn: tokenIn, 
            tokenOut: tokenOut, 
            fee: 0 
        });
    }

    function _underlyingSwap(
        QParams memory params, 
        bytes memory callbackData
    ) internal virtual returns (uint256) {
        address pool = getBestPool(params.tokenIn, params.tokenOut);
        (bool zeroForOne, uint160 priceLimit) = getZeroOneAndSqrtPriceLimitX96(
            params.tokenIn, 
            params.tokenOut
        );
        (int256 amount0, int256 amount1) = IUniV3Pool(pool).swap(
            address(this),
            zeroForOne,
            int256(params.amountIn),
            priceLimit,
            callbackData
        );
        return zeroForOne ? uint256(-amount1) : uint256(-amount0);
    }

    function getQuoteForBestPool(
        QParams memory params
    ) internal view returns (uint256 quote) {
        address bestPool = getBestPool(params.tokenIn, params.tokenOut);
        if (bestPool != address(0)) quote = getQuoteForPool(bestPool, params);
    }

    function getBestPool(
        address token0, 
        address token1
    ) internal view virtual returns (address mostLiquid);
    
    function getQuoteForPool(
        address pool, 
        QParams memory params
    ) internal view returns (uint256) {
        (bool zeroForOne, uint160 priceLimit) = getZeroOneAndSqrtPriceLimitX96(
            params.tokenIn, 
            params.tokenOut
        );
        (int256 amount0, int256 amount1) = getQuoteSafe(
            pool,
            zeroForOne,
            params.amountIn,
            priceLimit
        );
        return zeroForOne ? uint256(-amount1) : uint256(-amount0);
    }

    function getQuoteSafe(
        address pool, 
        bool zeroForOne,
        int256 amountIn,
        uint160 priceLimit
    ) internal view returns (int256 amount0, int256 amount1) {
        bytes memory calldata_ = abi.encodeWithSignature(
            "quote(address,bool,int256,uint160)",
            pool,
            zeroForOne,
            amountIn,
            priceLimit
        );
        (bool success, bytes memory data) = staticCallQuoterRaw(calldata_);
        if (success)
            (amount0, amount1) = abi.decode(data, (int256, int256));
    }

    function staticCallQuoterRaw(
        bytes memory calldata_
    ) internal view returns (bool success, bytes memory data) {
        (success, data) = quoter.staticcall{gas: quoterGasLimit}(calldata_);
    }

    function getZeroOneAndSqrtPriceLimitX96(address tokenIn, address tokenOut)
        internal
        pure
        returns (bool zeroForOne, uint160 sqrtPriceLimitX96)
    {
        zeroForOne = tokenIn < tokenOut;
        sqrtPriceLimitX96 = zeroForOne ? MIN_SQRT_RATIO+1 : MAX_SQRT_RATIO-1;
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

interface IPairFactory {
    function isPair(address) external view returns (bool);

    function pairCodeHash() external view returns (bytes32);
}

interface IPair {
    function getAmountOut(uint256, address) external view returns (uint256);

    function swap(
        uint256,
        uint256,
        address,
        bytes calldata
    ) external;
}

contract VelodromeAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    bytes32 immutable PAIR_CODE_HASH;
    address immutable FACTORY;

    constructor(
        string memory _name,
        address _factory,
        uint256 _swapGasEstimate
    ) SummitAdapter(_name, _swapGasEstimate) {
        FACTORY = _factory;
        PAIR_CODE_HASH = getPairCodeHash(_factory);
    }

    function getPairCodeHash(address _factory) internal view returns (bytes32) {
        return IPairFactory(_factory).pairCodeHash();
    }

    function sortTokens(address tokenA, address tokenB) internal pure returns (address token0, address token1) {
        (token0, token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
    }

    // calculates the CREATE2 address for a pair without making any external calls
    function pairFor(
        address tokenA,
        address tokenB,
        bool stable
    ) internal view returns (address pair) {
        (address token0, address token1) = sortTokens(tokenA, tokenB);
        pair = address(
            uint160(
                uint256(
                    keccak256(
                        abi.encodePacked(
                            hex"ff",
                            FACTORY,
                            keccak256(abi.encodePacked(token0, token1, stable)),
                            PAIR_CODE_HASH
                        )
                    )
                )
            )
        );
    }

    function _getAmoutOutSafe(address pair, uint amountIn, address tokenIn) internal view returns (uint) {
        try IPair(pair).getAmountOut(amountIn, tokenIn) returns (uint amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function getQuoteAndPair(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view returns (uint256 amountOut, address pair) {
        address pairStable = pairFor(_tokenIn, _tokenOut, true);
        uint256 amountStable;
        uint256 amountVolatile;
        if (IPairFactory(FACTORY).isPair(pairStable)) {
            amountStable = _getAmoutOutSafe(pairStable, _amountIn, _tokenIn);
        }
        address pairVolatile = pairFor(_tokenIn, _tokenOut, false);
        if (IPairFactory(FACTORY).isPair(pairVolatile)) {
            amountVolatile = _getAmoutOutSafe(pairVolatile, _amountIn, _tokenIn);
        }
        (amountOut, pair) = amountStable > amountVolatile ? (amountStable, pairStable) : (amountVolatile, pairVolatile);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn != _tokenOut && _amountIn != 0) (amountOut, ) = getQuoteAndPair(_amountIn, _tokenIn, _tokenOut);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        (uint256 amountOut, address pair) = getQuoteAndPair(_amountIn, _tokenIn, _tokenOut);
        require(amountOut >= _amountOut, "Insufficent amount out");
        (uint256 amount0Out, uint256 amount1Out) = (_tokenIn < _tokenOut)
            ? (uint256(0), amountOut)
            : (amountOut, uint256(0));
        IERC20(_tokenIn).safeTransfer(pair, _amountIn);
        IPair(pair).swap(amount0Out, amount1Out, to, new bytes(0));
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../SummitAdapter.sol";

contract WAvaxAdapter is SummitAdapter {
    address internal constant WAVAX = 0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7;

    constructor(uint256 _swapGasEstimate) SummitAdapter("WAvaxAdapter", _swapGasEstimate) {
        setSwapGasEstimate(_swapGasEstimate);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal pure override returns (uint256 amountOut) {
        if (_tokenIn == WAVAX && _tokenOut == WAVAX) {
            amountOut = _amountIn;
        }
    }

    function _swap(
        uint256,
        uint256 _amountOut,
        address,
        address _tokenOut,
        address _to
    ) internal override {
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../SummitAdapter.sol";

contract WNativeAdapter is SummitAdapter {
    address internal immutable WNATIVE;

    constructor(
        address _wNative,
        uint256 _swapGasEstimate
    ) SummitAdapter("WAvaxAdapter", _swapGasEstimate) {
        WNATIVE = _wNative;
        setSwapGasEstimate(_swapGasEstimate);
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn == WNATIVE && _tokenOut == WNATIVE)
            amountOut = _amountIn;
    }

    function _swap(
        uint256 _amountIn,
        uint256,
        address,
        address _tokenOut,
        address _to
    ) internal override {
        _returnTo(_tokenOut, _amountIn, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//                            ,=.
//                ,=""""==.__.="  o".___
//          ,=.=="                  ___/
//    ,==.,"    ,          , \,===""
//   <     ,==)  \"'"=._.==)  \
//    `==''    `"           `"
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IWombat.sol";
import "../interface/IERC20.sol";
import "../interface/IWETH.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract WombatAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    event PartialPoolSupport(address pool, address[] tkns);
    event AddPoolSupport(address pool);
    event RmPoolSupport(address pool);

    mapping(address => mapping(address => address)) private tknToTknToPool;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address[] memory _initPools
    ) SummitAdapter(_name, _swapGasEstimate) {
        addPools(_initPools);
    }

    function getPoolForTkns(address tknIn, address tknOut) public view returns (address) {
        return tknToTknToPool[tknIn][tknOut];
    }

    function _approveIfNeeded(address tkn, address spender) internal {
        uint256 allowance = IERC20(tkn).allowance(address(this), spender);
        if (allowance < UINT_MAX) {
            IERC20(tkn).approve(spender, UINT_MAX);
        }
    }

    // @dev Returns false if repeated tkns
    function _poolSupportsTkns(address pool, address[] memory tkns) internal view returns (bool) {
        address[] memory supportedTkns = IWombat(pool).getTokens();
        uint256 supportedCount;
        for (uint256 i = 0; i < supportedTkns.length; i++) {
            for (uint256 j = 0; j < tkns.length; j++) {
                if (supportedTkns[i] == tkns[j]) {
                    supportedCount++;
                    break;
                }
            }
        }
        return supportedCount == tkns.length;
    }

    function _setPoolForTkns(address[] memory tkns, address pool) internal {
        for (uint256 i = 0; i < tkns.length; i++) {
            for (uint256 j = 0; j < tkns.length; j++) {
                if (i != j) {
                    tknToTknToPool[tkns[i]][tkns[j]] = pool;
                    if (pool != address(0)) {
                        _approveIfNeeded(tkns[i], pool);
                    }
                }
            }
        }
    }

    function addPools(address[] memory pools) public onlyMaintainer {
        for (uint256 i = 0; i < pools.length; i++) {
            address pool = pools[i];
            address[] memory supportedTkns = IWombat(pool).getTokens();
            _setPoolForTkns(supportedTkns, pool);
            emit AddPoolSupport(pool);
        }
    }

    function setPoolForTkns(address pool, address[] memory tkns) external onlyMaintainer {
        require(tkns.length > 1, "At least two tkns");
        require(pool != address(0), "Only non-zero pool");
        require(_poolSupportsTkns(pool, tkns), "Pool does not support tkns");
        // Assume above checks there is no repeats
        _setPoolForTkns(tkns, pool);
        emit PartialPoolSupport(pool, tkns);
    }

    function rmPools(address[] calldata pools) external onlyMaintainer {
        for (uint256 i = 0; i < pools.length; i++) {
            address pool = pools[i];
            address[] memory supportedTkns = IWombat(pool).getTokens();
            _setPoolForTkns(supportedTkns, address(0));
            emit RmPoolSupport(pool);
        }
    }

    function _query(uint256 _amountIn, address _tokenIn, address _tokenOut) internal view override returns (uint256) {
        address pool = getPoolForTkns(_tokenIn, _tokenOut);
        if (pool == address(0) || _amountIn == 0 || IWombat(pool).paused()) {
            return 0;
        }
        try IWombat(pool).quotePotentialSwap(_tokenIn, _tokenOut, int256(_amountIn)) returns (uint256 amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        address pool = getPoolForTkns(_tokenIn, _tokenOut);
        IWombat(pool).swap(_tokenIn, _tokenOut, _amountIn, _amountOut, _to, block.timestamp);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.0;

import "../interface/IWooPP.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract WoofiAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable quoteToken;
    address public immutable pool;
    address public rebateCollector;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _pool
    ) SummitAdapter(_name, _swapGasEstimate) {
        address _quoteToken = IWooPP(_pool).quoteToken();
        IERC20(_quoteToken).approve(_pool, UINT_MAX);
        quoteToken = _quoteToken;
        pool = _pool;
    }

    function setRebateCollector(address _rebateCollector) external onlyMaintainer {
        rebateCollector = _rebateCollector;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_amountIn == 0) {
            return 0;
        }
        if (_tokenIn == quoteToken) {
            amountOut = _safeQuery(IWooPP(pool).querySellQuote, _tokenOut, _amountIn);
        } else if (_tokenOut == quoteToken) {
            amountOut = _safeQuery(IWooPP(pool).querySellBase, _tokenIn, _amountIn);
        } else {
            uint256 quoteAmount = _safeQuery(IWooPP(pool).querySellBase, _tokenIn, _amountIn);
            amountOut = _safeQuery(IWooPP(pool).querySellQuote, _tokenOut, quoteAmount);
        }
    }

    function _safeQuery(
        function(address, uint256) external view returns (uint256) qFn,
        address _baseToken,
        uint256 _baseAmount
    ) internal view returns (uint256) {
        try qFn(_baseToken, _baseAmount) returns (uint256 amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        _approveIfNeeded(_tokenIn, _amountIn);
        uint256 realToAmount;
        if (_tokenIn == quoteToken) {
            realToAmount = IWooPP(pool).sellQuote(_tokenOut, _amountIn, _amountOut, _to, rebateCollector);
        } else if (_tokenOut == quoteToken) {
            realToAmount = IWooPP(pool).sellBase(_tokenIn, _amountIn, _amountOut, _to, rebateCollector);
        } else {
            uint256 quoteAmount = IWooPP(pool).sellBase(_tokenIn, _amountIn, 0, address(this), rebateCollector);
            realToAmount = IWooPP(pool).sellQuote(_tokenOut, quoteAmount, _amountOut, _to, rebateCollector);
        }
    }

    function _approveIfNeeded(address _tokenIn, uint256 _amount) internal {
        uint256 allowance = IERC20(_tokenIn).allowance(address(this), pool);
        if (allowance < _amount) {
            IERC20(_tokenIn).approve(pool, UINT_MAX);
        }
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only

pragma solidity ^0.8.0;

import "../interface/IWooPPV2.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract WoofiV2Adapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable pool;
    address public rebateCollector;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _pool
    ) SummitAdapter(_name, _swapGasEstimate) {
        pool = _pool;
    }

    function setRebateCollector(address _rebateCollector) external onlyMaintainer {
        rebateCollector = _rebateCollector;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256) {
        if (_amountIn == 0) {
            return 0;
        }

        try IWooPPV2(pool).query(_tokenIn, _tokenOut, _amountIn) returns (uint256 amountOut) {
            return amountOut;
        } catch {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        IERC20(_tokenIn).safeTransfer(pool, _amountIn);
        IWooPPV2(pool).swap(_tokenIn, _tokenOut, _amountIn, _amountOut, _to, rebateCollector);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IxJOE.sol";
import "../lib/SafeERC20.sol";

import "../SummitAdapter.sol";

contract XJoeAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public constant JOE = 0x6e84a6216eA6dACC71eE8E6b0a5B7322EEbC0fDd;
    address public constant XJOE = 0x57319d41F71E81F3c65F2a47CA4e001EbAFd4F33;

    constructor(uint256 _swapGasEstimate) SummitAdapter("XJoeAdapter", _swapGasEstimate) {
        setAllowances();
    }

    function setAllowances() internal {
        IERC20(XJOE).safeApprove(XJOE, UINT_MAX);
        IERC20(JOE).safeApprove(XJOE, UINT_MAX);
    }

    function queryEnter(uint256 _amountIn) internal view returns (uint256) {
        uint256 totalJoe = IERC20(JOE).balanceOf(XJOE);
        uint256 totalShares = IxJOE(XJOE).totalSupply();
        if (totalShares == 0 || totalJoe == 0) {
            return _amountIn;
        }
        return (_amountIn * totalShares) / totalJoe;
    }

    function queryLeave(uint256 _amountIn) internal view returns (uint256) {
        uint256 totalShares = IxJOE(XJOE).totalSupply();
        return (_amountIn * IERC20(JOE).balanceOf(XJOE)) / totalShares;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn == JOE && _tokenOut == XJOE) {
            return queryEnter(_amountIn);
        } else if (_tokenIn == XJOE && _tokenOut == JOE) {
            return queryLeave(_amountIn);
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        if (_tokenIn == JOE && _tokenOut == XJOE) {
            IxJOE(XJOE).enter(_amountIn);
        } else if (_tokenIn == XJOE && _tokenOut == JOE) {
            IxJOE(XJOE).leave(_amountIn);
        } else {
            revert("XJoeAdapter: Unsupported token");
        }
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountOut, _to);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IYYDerivative.sol";
import "../lib/SafeERC20.sol";

import "../SummitAdapter.sol";

contract YYDerivativeAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    address public immutable derivative;
    address public immutable underlying;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        address _derivative,
        address _underlying
    ) SummitAdapter(_name, _swapGasEstimate) {
        derivative = _derivative;
        underlying = _underlying;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        if (_tokenIn == underlying && _tokenOut == derivative && IYYDerivative(derivative).depositsEnabled()) {
            return _amountIn;
        }
        return 0;
    }

    function _swap(
        uint256 _amountIn,
        uint256, /*_amountOut*/
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {
        if (_tokenIn == underlying && _tokenOut == derivative) {
            IERC20(underlying).approve(derivative, _amountIn);
            IYYDerivative(derivative).deposit(_amountIn);
        } else {
            revert("YYDerivativeAdapter: Unsupported token");
        }
        // Confidently transfer amount-out
        _returnTo(_tokenOut, _amountIn, _to);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IAdapter {
    function name() external view returns (string memory);

    function swapGasEstimate() external view returns (uint256);

    function swap(
        uint256,
        uint256,
        address,
        address,
        address
    ) external;

    function query(
        uint256,
        address,
        address
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IPoolSwapStructs.sol";

interface IBasePool is IPoolSwapStructs {
    function getPoolId() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.5.16;

interface IBlast {
    enum GasMode {
        VOID,
        CLAIMABLE
    }

    function configureClaimableGas() external;
    function configureGovernor(address governor) external;

    function claimAllGas(
        address contractAddress,
        address recipientOfGas
    ) external returns (uint256);

    function claimGasAtMinClaimRate(
        address contractAddress,
        address recipientOfGas,
        uint256 minClaimRateBips
    ) external returns (uint256);

    function claimMaxGas(
        address contractAddress,
        address recipientOfGas
    ) external returns (uint256);

    function claimGas(
        address contractAddress,
        address recipientOfGas,
        uint256 gasToClaim,
        uint256 gasSecondsToConsume
    ) external returns (uint256);

    function readGasParams(
        address contractAddress
    )
        external
        view
        returns (
            uint256 etherSeconds,
            uint256 etherBalance,
            uint256 lastUpdated,
            GasMode
        );
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ICurve1 {
    function underlying_coins(uint256 index) external view returns (address);

    function exchange_underlying(
        uint256 tokenIndexFrom,
        uint256 tokenIndexTo,
        uint256 dx,
        uint256 minDy
    ) external;

    function get_dy_underlying(
        uint256 tokenIndexFrom,
        uint256 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ICurve2 {
    function underlying_coins(uint256 index) external view returns (address);

    function get_dy_underlying(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function exchange_underlying(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx,
        uint256 minDy
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ICurveMeta {
    function base_coins(uint256) external view returns (address);

    function coins(uint256 index) external view returns (address);

    function get_dy_underlying(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function exchange_underlying(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx,
        uint256 minDy
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ICurvePlain128 {
    function coins(uint256 index) external view returns (address);

    function exchange(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx,
        uint256 minDy
    ) external returns (uint256);

    function get_dy(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ICurvePlain128Native {
    function coins(uint256 index) external view returns (address);

    function exchange(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx,
        uint256 minDy
    ) external payable returns (uint256);

    function get_dy(
        int128 tokenIndexFrom,
        int128 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ICurvePlain256 {
    function coins(uint256 index) external view returns (address);

    function exchange(
        uint256 tokenIndexFrom,
        uint256 tokenIndexTo,
        uint256 dx,
        uint256 minDy
    ) external;

    function get_dy(
        uint256 tokenIndexFrom,
        uint256 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IDodoHelper {
    function querySellQuoteToken(address dodo, uint256 amount) external view returns (uint256);
}

interface IDodoV1 {
    function _QUOTE_TOKEN_() external view returns (address);

    function _BASE_TOKEN_() external view returns (address);

    function querySellBaseToken(uint256 amount) external view returns (uint256);

    function queryBuyBaseToken(uint256 amount) external view returns (uint256);

    function sellBaseToken(
        uint256 amount,
        uint256 minReceiveQuote,
        bytes calldata data
    ) external returns (uint256);

    function buyBaseToken(
        uint256 amount,
        uint256 maxPayQuote,
        bytes calldata data
    ) external returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IDodoV2 {
    function _QUOTE_TOKEN_() external view returns (address);

    function _BASE_TOKEN_() external view returns (address);

    function querySellBase(address trader, uint256 payBaseAmount) external view returns (uint256 receiveQuoteAmount);

    function querySellQuote(address trader, uint256 payQuoteAmount) external view returns (uint256 receiveBaseAmount);

    function sellBase(address to) external returns (uint256 receiveQuoteAmount);

    function sellQuote(address to) external returns (uint256 receiveBaseAmount);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IERC20 {
    event Approval(address, address, uint256);
    event Transfer(address, address, uint256);

    function name() external view returns (string memory);
    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);

    function transferFrom(
        address,
        address,
        uint256
    ) external returns (bool);

    function allowance(address, address) external view returns (uint256);

    function approve(address, uint256) external returns (bool);

    function transfer(address, uint256) external returns (bool);

    function balanceOf(address) external view returns (uint256);

    function nonces(address) external view returns (uint256); // Only tokens that support permit

    function permit(
        address,
        address,
        uint256,
        uint256,
        uint8,
        bytes32,
        bytes32
    ) external; // Only tokens that support permit

    function swap(address, uint256) external; // Only Avalanche bridge tokens

    function swapSupply(address) external view returns (uint256); // Only Avalanche bridge tokens

    function totalSupply() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

// @note: operator stands for interface address
interface IgAVAX {
    function setApprovalForAll(address operator, bool approved) external;

    function pricePerShare(uint256 _id) external view returns (uint256);

    function balanceOf(address account, uint256 id) external view returns (uint256);

    function isInterface(address operator, uint256 id) external view returns (bool);

    function isApprovedForAll(address account, address operator) external view returns (bool);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IGenericFactory {
    function allPairs() external view returns (address[] memory);
    function getPair(address tokenA, address tokenB, uint256 curveId) external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IGeodePortal {
    function gAVAX() external view returns (address);

    function getNameFromId(uint256 _id) external view returns (bytes memory);

    function planetCurrentInterface(uint256 _id) external view returns (address);

    function planetWithdrawalPool(uint256 _id) external view returns (address);

    function getMaintainerFromId(uint256) external view returns (address);

    function isStakingPausedForPool(uint256) external view returns (bool);

    function unpauseStakingForPool(uint256) external;

    function pauseStakingForPool(uint256) external;

    function stake(
        uint256 planetId,
        uint256 minGavax,
        uint256 deadline
    ) external payable returns (uint256 totalgAvax);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IGeodeWP {
    function paused() external view returns (bool);

    function getDebt() external view returns (uint256);

    function getToken() external view returns (uint256);

    function getERC1155() external view returns (address);

    function getTokenBalance(uint8) external view returns (uint256);

    function calculateSwap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function swap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx,
        uint256 minDy,
        uint256 deadline
    ) external payable returns (uint256);

    function addLiquidity(
        uint256[] calldata amounts,
        uint256 minToMint,
        uint256 deadline
    ) external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IGlpManager {
    function getAumInUsdg(bool maximise) external view returns (uint256);

    function vault() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IGmxRewardRouter {
    function glpManager() external view returns (address);

    function mintAndStakeGlp(
        address _token,
        uint256 _amount,
        uint256 _minUsdg,
        uint256 _minGlp
    ) external returns (uint256);

    function unstakeAndRedeemGlp(
        address _tokenOut,
        uint256 _glpAmount,
        uint256 _minOut,
        address _receiver
    ) external returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IGmxVaultPriceFeed {
    function getPrice(address, bool, bool, bool) external view returns (uint256);
}

interface IGmxVaultUtils {
    function getSwapFeeBasisPoints(address, address, uint256) external view returns (uint256);

    function getBuyUsdgFeeBasisPoints(address _token, uint256 _usdgAmount) external view returns (uint256);

    function getSellUsdgFeeBasisPoints(address _token, uint256 _usdgAmount) external view returns (uint256);
}

interface IGmxVault {
    function swap(address, address, address) external;

    function whitelistedTokens(address) external view returns (bool);

    function isSwapEnabled() external view returns (bool);

    function vaultUtils() external view returns (IGmxVaultUtils);

    function priceFeed() external view returns (IGmxVaultPriceFeed);

    function allWhitelistedTokensLength() external view returns (uint256);

    function allWhitelistedTokens(uint256) external view returns (address);

    function maxUsdgAmounts(address) external view returns (uint256);

    function usdgAmounts(address) external view returns (uint256);

    function reservedAmounts(address) external view returns (uint256);

    function bufferAmounts(address) external view returns (uint256);

    function poolAmounts(address) external view returns (uint256);

    function usdg() external view returns (address);

    function hasDynamicFees() external view returns (bool);

    function stableTokens(address) external view returns (bool);

    function getFeeBasisPoints(address, uint256, uint256, uint256, bool) external view returns (uint256);

    function stableSwapFeeBasisPoints() external view returns (uint256);

    function swapFeeBasisPoints() external view returns (uint256);

    function stableTaxBasisPoints() external view returns (uint256);

    function taxBasisPoints() external view returns (uint256);

    function mintBurnFeeBasisPoints() external view returns (uint256);

    function setBufferAmount(address, uint256) external;

    function gov() external view returns (address);

    function getMaxPrice(address _token) external view returns (uint256);

    function getMinPrice(address _token) external view returns (uint256);

    function adjustForDecimals(uint256 _amount, address _tokenDiv, address _tokenMul) external view returns (uint256);

    function getRedemptionAmount(address _token, uint256 _usdgAmount) external view returns (uint256);

    function getTargetUsdgAmount(address _token) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IKyberPool {
    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function getTradeInfo()
        external
        view
        returns (
            uint112 _vReserve0,
            uint112 _vReserve1,
            uint112 reserve0,
            uint112 reserve1,
            uint256 feeInPrecision
        );

    function token0() external view returns (address);

    function token1() external view returns (address);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface ILBPair {
    function getTokenX() external view returns (address);

    function getTokenY() external view returns (address);

    function swap(bool swapForY, address to) external returns (bytes32 amountsOut);

    function getSwapOut(uint128 amountIn, bool swapForY)
        external
        view
        returns (uint128 amountInLeft, uint128 amountOut, uint128 fee);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface ILBFactory {
    struct LBPairInformation {
        uint24 binStep;
        address LBPair;
        bool createdByOwner;
        bool ignoredForRouting;
    }

    function getAllLBPairs(address tokenX, address tokenY)
        external
        view
        returns (LBPairInformation[] memory LBPairsBinStep);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface ILBPair {
    function tokenX() external view returns (address);

    function tokenY() external view returns (address);

    function swap(bool sentTokenY, address to) external returns (uint256 amountXOut, uint256 amountYOut);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface ILBRouter {
    function factory() external view returns (address);

    function getSwapOut(
        address pair,
        uint256 amountIn,
        bool swapForY
    ) external view returns (uint256 amountOut, uint256 feesIn);

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        uint256[] memory pairBinSteps,
        address[] memory tokenPath,
        address to,
        uint256 deadline
    ) external returns (uint256 amountOut);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IBasePool.sol";

interface IMinimalSwapInfoPool is IBasePool {
    function onSwap(
        SwapRequest memory swapRequest,
        uint256 currentBalanceTokenIn,
        uint256 currentBalanceTokenOut
    ) external view returns (uint256 amount);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface ImSUMMIT is IERC20 {
    function unmoon(uint256, address) external;

    function moon(uint256, address) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IPlatypus {
    // Views
    function quotePotentialSwap(
        address fromToken,
        address totoken,
        uint256 fromAmount
    ) external view returns (uint256 potentialOutcome); // Second arg (haircut) is not used

    function getTokenAddresses() external view returns (address[] memory);

    function paused() external view returns (bool);

    // Modifiers
    function swap(
        address fromToken,
        address toToken,
        uint256 fromAmount,
        uint256 minAmountOut,
        address to,
        uint256 deadline
    ) external;

    function pause() external;

    function unpause() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IVault.sol";

interface IPoolSwapStructs {
    struct SwapRequest {
        IVault.SwapKind kind;
        IERC20 tokenIn;
        IERC20 tokenOut;
        uint256 amount;
        bytes32 poolId;
        uint256 lastChangeBlock;
        address from;
        address to;
        bytes userData;
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IReservoirPair {
    function token0() external returns (address);
    function token1() external returns (address);
    function swap(int256 aAmount, bool aExactIn, address aTo, bytes calldata aData)
        external
        returns (uint256 rAmountOut);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IQuoter {
    /// @dev aPath array of ERC20 tokens to swap into
    function getAmountsOut(uint256 aAmountIn, address[] calldata aPath, uint256[] calldata aCurveIds)
        external
        view
        returns (uint256[] memory rAmountsOut);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface ISaddle {
    function getTokenIndex(address tokenAddress) external view returns (uint8);

    function getTokenBalance(uint8 index) external view returns (uint256);

    function getToken(uint8 index) external view returns (address);

    function getVirtualPrice() external view returns (uint256);

    function owner() external view returns (address);

    function paused() external view returns (bool);

    function calculateSwap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function unpause() external;

    function pause() external;

    function swap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx,
        uint256 minDy,
        uint256 deadline
    ) external returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

struct SwapStorage {
    uint256 initialA;
    uint256 futureA;
    uint256 initialATime;
    uint256 futureATime;
    uint256 swapFee;
    uint256 adminFee;
    address lpToken;
}

interface ISaddleMeta {
    function getToken(uint8 index) external view returns (address);

    function getVirtualPrice() external view returns (uint256);

    function owner() external view returns (address);

    function paused() external view returns (bool);

    function calculateSwapUnderlying(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function unpause() external;

    function pause() external;

    function swapUnderlying(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx,
        uint256 minDy,
        uint256 deadline
    ) external returns (uint256);

    function metaSwapStorage() external returns (address);

    function swapStorage() external returns (SwapStorage memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface ISAVAX is IERC20 {
    function getSharesByPooledAvax(uint256) external view returns (uint256);

    function submit() external payable returns (uint256);

    function mintingPaused() external view returns (bool);

    function totalPooledAvax() external view returns (uint256);

    function totalPooledAvaxCap() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IStabilityFund {
    function swap(
        address token0,
        uint256 amount,
        address token1
    ) external;

    function swapEnabled() external view returns (bool);

    function isStableToken(address) external view returns (bool);

    function isTokenDisabled(address) external view returns (bool);

    function getStableTokens() external view returns (address[] memory);

    function getStableTokensCount() external view returns (uint256);

    function swapFee() external view returns (uint256);
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

interface ISummitPoints {
  event UpdatedVolumeAdapter(address indexed _volumeAdapter);
  event UpdatedReferralsContract(address indexed _referrals);
  event UpdatedGlobalBoost(uint256 _boost);
  event UpdatedVolumeScalers(uint256 _refVolumeScaler, uint256 _adapterVolumeScaler);
  event UpdatedBlacklisted(address _add,bool _blacklisted);
  event AddedUserVolume(address indexed _user, uint256 _volume);
  event AddedReferrerVolume(address indexed _referrer, address indexed _user, uint256 _volume);
  event AddedAdapterVolume(address indexed _adapter, uint256 _volume);
  event TransferredVolume(address indexed _caller, address indexed _from, address indexed _to, uint256 _selfVolume, uint256 _refVolume, uint256 _adapterVolume);
  event UpdatedDelegate(address indexed _caller, address indexed _user, address indexed _delegate);
  event UpdatedAdapterDelegate(address indexed _adapter, address indexed _delegate);
  event SummitTeamGivenPoints(address indexed _user, uint256 _volume);

  function setVolumeAdapter(address _volumeAdapter) external;
  function setReferralsContract(address _referrals) external;
  function setGlobalBoost(uint256 _boost) external;
  function setBlacklisted(address _add, bool _blacklisted) external;
  function summitTeamGivePoints(address _add, uint256 _volume) external;
  function setVolumeScalers(uint256 _refVolumeScaler, uint256 _adapterVolumeScaler) external;
  function setDelegate(address _user, address _delegate) external;
  function setAdapterDelegate(address _adapter, address _delegate) external;
  function addVolume(address _add, uint256 _volume) external;
  function addAdapterVolume(address _adapter, uint256 _volume) external;
  function transferVolume(address _from, address _to, uint256 _selfVolume, uint256 _refVolume, uint256 _adapterVolume) external;
  function getVolume(address _add) external view returns (uint256 selfVolume, uint256 refVolume, uint256 adapterVolume);
  function getPoints(address _add) external view returns (uint256 pointsFromSelf, uint256 pointsFromRef, uint256 pointsFromAdapter, uint256 pointsTotal);
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ISummitReferrals {

  event UpdatedPointsContract(address indexed _pointsContract);
  event BoostedReferrer(address indexed referrer, uint8 _boostLevel);
  event BoostedReferrers(address[] referrer, uint8[] _boostLevel);
  event UpdatedReferrer(address indexed _add, address indexed _referrer);
  event UpdatedLevelData(uint256[] _refPointsReq, uint256[] _selfPointsReq, uint256[] _refsReq, uint256[] _multRew, uint256 _hasReferrerBonusMult);
  event UpdatedReferralCode(address indexed _caller, address indexed _user, string _code);

  function setPointsContract(address _pointsContract) external;
  function setReferrer(address _referrer, string memory _code) external;
  function setReferralCode(string memory _code) external;
  function maintainerSetReferralCode(address _add, string memory _code) external;
  function boostReferrer(address _referrer, uint8 _boostLevel) external;
  function boostReferrers(address[] memory _referrers, uint8[] memory _boostLevels) external;
  function setLevelData(uint256[] memory _refPointsReq, uint256[] memory _selfPointsReq, uint256[] memory _refsReq, uint256[] memory _multRew, uint256 _hasReferrerBonusMult) external;
  function getReferrer(address _add) external view returns (address);
  function getReferrerCode(address _add) external view returns (string memory);
  function getRefsCount(address _add) external view returns (uint256);
  function getReferrerLevelWithoutBoost(address _add) external view returns (uint8);
  function getReferrerLevel(address _add) external view returns (uint8);
  function getLevelRequirements(uint8 _level) external view returns (uint256 selfVolume, uint256 refVolume, uint256 refsCount);
  function getUserNextLevelRequirements(address _add) external view returns (uint256 selfVolume, uint256 refVolume, uint256 refsCount);
  function getRefVolumeBonusMultiplier(address _add) external view returns (uint256);
  function getSelfVolumeMultiplier(address _add) external view returns (uint256);
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;


struct Query {
    address adapter;
    address tokenIn;
    address tokenOut;
    uint256 amountOut;
}
struct Offer {
    bytes amounts;
    bytes adapters;
    bytes path;
    uint256 gasEstimate;
}
struct FormattedOffer {
    uint256[] amounts;
    address[] adapters;
    address[] path;
    uint256 gasEstimate;
}
struct Trade {
    uint256 amountIn;
    uint256 amountOut;
    address[] path;
    address[] adapters;
}

interface ISummitRouter {

    event UpdatedTrustedTokens(address[] _newTrustedTokens);
    event UpdatedTokenVolumeMultipliers(address[] _tokens, uint256[] _pointMultipliers);
    event UpdatedTokenBonusMultipliers(address [] _tokens, uint256[] _multipliers);
    event UpdatedAdapters(address[] _newAdapters);
    event UpdatedVolumeAdapter(address _volumeAdapter);
    event UpdatedMinFee(uint256 _oldMinFee, uint256 _newMinFee);
    event UpdatedFeeClaimer(address _oldFeeClaimer, address _newFeeClaimer);
    event SummitSwap(address indexed _tokenIn, address indexed _tokenOut, uint256 _amountIn, uint256 _amountOut);

    // admin
    function setTrustedTokens(address[] memory _trustedTokens) external;
    function setAdapters(address[] memory _adapters) external;
    function setVolumeAdapter(address _volumeAdapter) external;
    function setFeeClaimer(address _claimer) external;
    function setMinFee(uint256 _fee) external;

    // misc
    function trustedTokensCount() external view returns (uint256);
    function adaptersCount() external view returns (uint256);
    function getTokenBonus(address _token) external view returns (uint256);

    // query

    function queryAdapter(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint8 _index
    ) external returns (uint256);

    function queryNoSplit(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint8[] calldata _options
    ) external view returns (Query memory);

    function queryNoSplit(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) external view returns (Query memory);

    function findBestPathWithGas(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint256 _maxSteps,
        uint256 _gasPrice
    ) external view returns (FormattedOffer memory);

    function findBestPath(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint256 _maxSteps
    ) external view returns (FormattedOffer memory);

    // swap

    function swapNoSplit(
        Trade calldata _trade,
        address _to,
        uint256 _fee
    ) external;

    function swapNoSplitFromNATIVE(
        Trade calldata _trade,
        address _to,
        uint256 _fee
    ) external payable;

    function swapNoSplitToNATIVE(
        Trade calldata _trade,
        address _to,
        uint256 _fee
    ) external; 

    function swapNoSplitWithPermit(
        Trade calldata _trade,
        address _to,
        uint256 _fee,
        uint256 _deadline,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) external;

    function swapNoSplitToNATIVEWithPermit(
        Trade calldata _trade,
        address _to,
        uint256 _fee,
        uint256 _deadline,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) external;

}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ISummitVolumeAdapter {

  event UpdatedRouter(address indexed _router);
  event UpdatedPointsContract(address indexed _pointsContract);

  function addVolume(address _add, uint256 _volume) external;
  function addAdapterVolume(address _adapter, uint256 _volume) external;
  function setRouter(address _router) external;
  function setPointsContract(address _pointsContract) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IUniswapFactory {
    function getPair(address tokenA, address tokenB) external view returns (address pair);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IUniswapPair {
    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (
            uint112 reserve0,
            uint112 reserve1,
            uint32 blockTimestampLast
        );

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IVault {
    enum SwapKind {
        GIVEN_IN,
        GIVEN_OUT
    }

    struct SingleSwap {
        bytes32 poolId;
        SwapKind kind;
        address assetIn;
        address assetOut;
        uint256 amount;
        bytes userData;
    }

    struct FundManagement {
        address sender;
        bool fromInternalBalance;
        address payable recipient;
        bool toInternalBalance;
    }

    function swap(
        SingleSwap memory singleSwap,
        FundManagement memory funds,
        uint256 limit,
        uint256 deadline
    ) external payable returns (uint256);

    function getPoolTokens(bytes32 poolId)
        external
        view
        returns (
            IERC20[] memory tokens,
            uint256[] memory balances,
            uint256 lastChangeBlock
        );

    struct BatchSwapStep {
        bytes32 poolId;
        uint256 assetInIndex;
        uint256 assetOutIndex;
        uint256 amount;
        bytes userData;
    }

    function queryBatchSwap(
        SwapKind kind,
        BatchSwapStep[] memory swaps,
        address[] memory assets,
        FundManagement memory funds
    ) external returns (int256[] memory assetDeltas);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IWETH is IERC20 {
    function withdraw(uint256 amount) external;

    function deposit() external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IWombat {
    // Views
    function quotePotentialSwap(
        address fromToken,
        address totoken,
        int256 fromAmount
    ) external view returns (uint256 potentialOutcome); // Second arg (haircut) is not used

    function getTokens() external view returns (address[] memory);

    function paused() external view returns (bool);

    // Modifiers
    function swap(
        address fromToken,
        address toToken,
        uint256 fromAmount,
        uint256 minAmountOut,
        address to,
        uint256 deadline
    ) external;

    function pause() external;

    function unpause() external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IWooPP {
    function quoteToken() external view returns (address);

    function querySellQuote(address, uint256) external view returns (uint256);

    function querySellBase(address, uint256) external view returns (uint256);

    function sellBase(
        address baseToken,
        uint256 baseAmount,
        uint256 minQuoteAmount,
        address to,
        address rebateTo
    ) external returns (uint256 quoteAmount);

    function sellQuote(
        address baseToken,
        uint256 quoteAmount,
        uint256 minBaseAmount,
        address to,
        address rebateTo
    ) external returns (uint256 baseAmount);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IWooPPV2 {
    /// @notice The quote token address (immutable).
    /// @return address of quote token
    function quoteToken() external view returns (address);

    /// @notice Gets the pool size of the specified token (swap liquidity).
    /// @param token the token address
    /// @return the pool size
    function poolSize(address token) external view returns (uint256);

    /// @notice Query the amount to swap `fromToken` to `toToken`, without checking the pool reserve balance.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @return toAmount the swapped amount of `toToken`
    function tryQuery(
        address fromToken,
        address toToken,
        uint256 fromAmount
    ) external view returns (uint256 toAmount);

    /// @notice Query the amount to swap `fromToken` to `toToken`, with checking the pool reserve balance.
    /// @dev tx reverts when 'toToken' balance is insufficient.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @return toAmount the swapped amount of `toToken`
    function query(
        address fromToken,
        address toToken,
        uint256 fromAmount
    ) external view returns (uint256 toAmount);

    /// @notice Swap `fromToken` to `toToken`.
    /// @param fromToken the from token
    /// @param toToken the to token
    /// @param fromAmount the amount of `fromToken` to swap
    /// @param minToAmount the minimum amount of `toToken` to receive
    /// @param to the destination address
    /// @param rebateTo the rebate address (optional, can be address ZERO)
    /// @return realToAmount the amount of toToken to receive
    function swap(
        address fromToken,
        address toToken,
        uint256 fromAmount,
        uint256 minToAmount,
        address to,
        address rebateTo
    ) external returns (uint256 realToAmount);

    /// @notice Deposit the specified token into the liquidity pool of WooPPV2.
    /// @param token the token to deposit
    /// @param amount the deposit amount
    function deposit(address token, uint256 amount) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IxJOE {
    function leave(uint256) external;

    function enter(uint256) external;

    function totalSupply() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IYYDerivative {
    function deposit(uint256 amount) external;

    function depositsEnabled() external view returns (bool);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which extends the basic access control mechanism of Ownable
 * to include many maintainers, whom only the owner (DEFAULT_ADMIN_ROLE) may add and
 * remove.
 *
 * By default, the owner account will be the one that deploys the contract. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available this modifier:
 * `onlyMaintainer`, which can be applied to your functions to restrict their use to
 * the accounts with the role of maintainer.
 */

abstract contract Maintainable is AccessControl {
    bytes32 public constant MAINTAINER_ROLE = keccak256("MAINTAINER_ROLE");

    constructor() {
        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _setupRole(MAINTAINER_ROLE, msg.sender);
    }

    function addMaintainer(address addedMaintainer) public virtual {
        grantRole(MAINTAINER_ROLE, addedMaintainer);
    }

    function removeMaintainer(address removedMaintainer) public virtual {
        revokeRole(MAINTAINER_ROLE, removedMaintainer);
    }

    function renounceRole(bytes32 role) public virtual {
        renounceRole(role, msg.sender);
    }

    function transferOwnership(address newOwner) public virtual {
        grantRole(DEFAULT_ADMIN_ROLE, newOwner);
        renounceRole(DEFAULT_ADMIN_ROLE, msg.sender);
    }

    modifier onlyMaintainer() {
        require(hasRole(MAINTAINER_ROLE, msg.sender), "Maintainable: Caller is not a maintainer");
        _;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "./SafeERC20.sol";
import "./Maintainable.sol";


abstract contract Recoverable is Maintainable {
    using SafeERC20 for IERC20;

    event Recovered(
        address indexed _asset, 
        uint amount
    );

    /**
     * @notice Recover ERC20 from contract
     * @param _tokenAddress token address
     * @param _tokenAmount amount to recover
     */
    function recoverERC20(address _tokenAddress, uint _tokenAmount) external onlyMaintainer {
        require(_tokenAmount > 0, "Nothing to recover");
        IERC20(_tokenAddress).safeTransfer(msg.sender, _tokenAmount);
        emit Recovered(_tokenAddress, _tokenAmount);
    }

    /**
     * @notice Recover native asset from contract
     * @param _amount amount
     */
    function recoverNATIVE(uint _amount) external onlyMaintainer {
        require(_amount > 0, "Nothing to recover");
        payable(msg.sender).transfer(_amount);
        emit Recovered(address(0), _amount);
    }

}

// This is a simplified version of OpenZepplin's SafeERC20 library
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;

import "../interface/IERC20.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 ERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    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));
    }

    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'
        // solhint-disable-next-line max-line-length
        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));
    }

    /**
     * @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.

        // A Solidity high level call has three parts:
        //  1. The target address is checked to verify it contains contract code
        //  2. The call itself is made, and success asserted
        //  3. The return value is decoded, which in turn checks the size of the returned data.
        // solhint-disable-next-line max-line-length

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "SafeERC20: low-level call failed");

        if (returndata.length > 0) {
            // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >=0.8.4;

import { Offer, FormattedOffer } from "../interface/ISummitRouter.sol";
import "./TypeConversion.sol";


library OfferUtils {
    using TypeConversion for address;
    using TypeConversion for uint256;
    using TypeConversion for bytes;

    function newOffer(
        uint _amountIn,
        address _tokenIn
    ) internal pure returns (Offer memory offer) {
        offer.amounts = _amountIn.toBytes();
        offer.path = _tokenIn.toBytes();
    }

    /**
     * Makes a deep copy of Offer struct
     */
    function clone(Offer memory _queries) internal pure returns (Offer memory) {
        return Offer(_queries.amounts, _queries.adapters, _queries.path, _queries.gasEstimate);
    }

    /**
     * Appends new elements to the end of Offer struct
     */
    function addToTail(
        Offer memory _queries,
        uint256 _amount,
        address _adapter,
        address _tokenOut,
        uint256 _gasEstimate
    ) internal pure {
        _queries.path = bytes.concat(_queries.path, _tokenOut.toBytes());
        _queries.adapters = bytes.concat(_queries.adapters, _adapter.toBytes());
        _queries.amounts = bytes.concat(_queries.amounts, _amount.toBytes());
        _queries.gasEstimate += _gasEstimate;
    }

    /**
     * Formats elements in the Offer object from byte-arrays to integers and addresses
     */
    function format(Offer memory _queries) internal pure returns (FormattedOffer memory) {
        return
            FormattedOffer(
                _queries.amounts.toUints(),
                _queries.adapters.toAddresses(),
                _queries.path.toAddresses(),
                _queries.gasEstimate
            );
    }

    function getTokenOut(
        Offer memory _offer
    ) internal pure returns (address tokenOut) {
        tokenOut = _offer.path.toAddress(_offer.path.length);  // Last 32 bytes
    }

    function getAmountOut(
        Offer memory _offer
    ) internal pure returns (uint amountOut) {
        amountOut = _offer.amounts.toUint(_offer.path.length);  // Last 32 bytes
    }

}

library FormattedOfferUtils {
    using TypeConversion for address;
    using TypeConversion for uint256;
    using TypeConversion for bytes;

    /**
     * Appends new elements to the end of FormattedOffer
     */
    function addToTail(
        FormattedOffer memory offer, 
        uint256 amountOut, 
        address wrapper,
        address tokenOut,
        uint256 gasEstimate
    ) internal pure {
        offer.amounts = bytes.concat(abi.encodePacked(offer.amounts), amountOut.toBytes()).toUints();
        offer.adapters = bytes.concat(abi.encodePacked(offer.adapters), wrapper.toBytes()).toAddresses();
        offer.path = bytes.concat(abi.encodePacked(offer.path), tokenOut.toBytes()).toAddresses();
        offer.gasEstimate += gasEstimate;
    }

    /**
     * Appends new elements to the beginning of FormattedOffer
     */
    function addToHead(
        FormattedOffer memory offer, 
        uint256 amountOut, 
        address wrapper,
        address tokenOut,
        uint256 gasEstimate
    ) internal pure {
        offer.amounts = bytes.concat(amountOut.toBytes(), abi.encodePacked(offer.amounts)).toUints();
        offer.adapters = bytes.concat(wrapper.toBytes(), abi.encodePacked(offer.adapters)).toAddresses();
        offer.path = bytes.concat(tokenOut.toBytes(), abi.encodePacked(offer.path)).toAddresses();
        offer.gasEstimate += gasEstimate;
    }

    function getAmountOut(FormattedOffer memory offer) internal pure returns (uint256) {
        return offer.amounts[offer.amounts.length - 1];
    }

}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;


library TypeConversion {

    function toBytes12(address x) internal pure returns (bytes12 y) {
        assembly { y := x }
    }

    function toBytes32(address x) internal pure returns (bytes32 y) {
        assembly { y := x }
    }

    function toAddress(bytes32 x) internal pure returns (address y) {
        assembly { y := x }
    }

    function toBytes(address x) internal pure returns (bytes memory y) {
        y = new bytes(32);
        assembly { mstore(add(y, 32), x) }
    }

    function toBytes(bytes32 x) internal pure returns (bytes memory y) {
        y = new bytes(32);
        assembly { mstore(add(y, 32), x) }
    }

    function toBytes(uint x) internal pure returns (bytes memory y) {
        y = new bytes(32);
        assembly { mstore(add(y, 32), x) }
    }

    function toAddress(
        bytes memory x,
        uint offset
    ) internal pure returns (address y) {
        assembly { y := mload(add(x, offset)) }
    }

    function toUint(
        bytes memory x,
        uint offset
    ) internal pure returns (uint y) {
        assembly { y := mload(add(x, offset)) }
    }

    function toBytes12(
        bytes memory x,
        uint offset
    ) internal pure returns (bytes12 y) {
        assembly { y := mload(add(x, offset)) }
    }

    function toBytes32(
        bytes memory x,
        uint offset
    ) internal pure returns (bytes32 y) {
        assembly { y := mload(add(x, offset)) }
    }

    function toAddresses(
        bytes memory xs
    ) internal pure returns (address[] memory ys) {
        ys = new address[](xs.length/32);
        for (uint i=0; i < xs.length/32; i++) {
            ys[i] = toAddress(xs, i*32 + 32);
        }
    }

    function toUints(
        bytes memory xs
    ) internal pure returns (uint[] memory ys) {
        ys = new uint[](xs.length/32);
        for (uint i=0; i < xs.length/32; i++) {
            ys[i] = toUint(xs, i*32 + 32);
        }
    }

    function toBytes32s(
        bytes memory xs
    ) internal pure returns (bytes32[] memory ys) {
        ys = new bytes32[](xs.length/32);
        for (uint i=0; i < xs.length/32; i++) {
            ys[i] = toBytes32(xs, i*32 + 32);
        }
    }

}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./interface/IERC20.sol";
import "./interface/IBlast.sol";
import "./lib/SafeERC20.sol";
import "./lib/Maintainable.sol";

abstract contract SummitAdapter is Maintainable {
    using SafeERC20 for IERC20;

    uint256 internal constant UINT_MAX = type(uint256).max;
    uint256 public swapGasEstimate;
    string public name;

    event SummitAdapterSwap(address indexed _tokenFrom, address indexed _tokenTo, uint256 _amountIn, uint256 _amountOut);
    event UpdatedGasEstimate(address indexed _adapter, uint256 _newEstimate);
    event Recovered(address indexed _asset, uint256 amount);

    error AlreadyInitialized();

    constructor(string memory _name, uint256 _gasEstimate) {
        setName(_name);
        setSwapGasEstimate(_gasEstimate);
    }

    bool public initialized = false;
    address public governor;
    function initialize(address _governor) public onlyMaintainer {
        if (initialized) revert AlreadyInitialized();
        initialized = true;

        IBlast blast = IBlast(0x4300000000000000000000000000000000000002);
        blast.configureClaimableGas();
        blast.configureGovernor(_governor);

        governor = _governor;
    }

    function setName(string memory _name) internal {
        require(bytes(_name).length != 0, "Invalid adapter name");
        name = _name;
    }

    function setSwapGasEstimate(uint256 _estimate) public onlyMaintainer {
        require(_estimate != 0, "Invalid gas-estimate");
        swapGasEstimate = _estimate;
        emit UpdatedGasEstimate(address(this), _estimate);
    }

    function revokeAllowance(address _token, address _spender) external onlyMaintainer {
        IERC20(_token).safeApprove(_spender, 0);
    }

    function recoverERC20(address _tokenAddress, uint256 _tokenAmount) external onlyMaintainer {
        require(_tokenAmount > 0, "SummitAdapter: Nothing to recover");
        IERC20(_tokenAddress).safeTransfer(msg.sender, _tokenAmount);
        emit Recovered(_tokenAddress, _tokenAmount);
    }

    function recoverAVAX(uint256 _amount) external onlyMaintainer {
        require(_amount > 0, "SummitAdapter: Nothing to recover");
        payable(msg.sender).transfer(_amount);
        emit Recovered(address(0), _amount);
    }

    function query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) external view returns (uint256) {
        return _query(_amountIn, _tokenIn, _tokenOut);
    }

    function swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _fromToken,
        address _toToken,
        address _to
    ) external virtual {
        uint256 toBal0 = IERC20(_toToken).balanceOf(_to);
        _swap(_amountIn, _amountOut, _fromToken, _toToken, _to);
        uint256 diff = IERC20(_toToken).balanceOf(_to) - toBal0;
        require(diff >= _amountOut, "Insufficient amount-out");
        emit SummitAdapterSwap(_fromToken, _toToken, _amountIn, _amountOut);
    }

    function _returnTo(
        address _token,
        uint256 _amount,
        address _to
    ) internal {
        if (address(this) != _to) IERC20(_token).safeTransfer(_to, _amount);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _fromToken,
        address _toToken,
        address _to
    ) internal virtual;

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view virtual returns (uint256);

    receive() external payable {}
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;

import "./interface/ISummitPoints.sol";
import "./interface/ISummitReferrals.sol";
import "./interface/IBlast.sol";
import "./lib/Maintainable.sol";
import "./lib/SummitViewUtils.sol";
import "./lib/Recoverable.sol";


contract SummitPoints is Maintainable, Recoverable, ISummitPoints {

  address public VOLUME_ADAPTER;
  address public REFERRALS;
  mapping(address => uint256) public SELF_VOLUME;
  mapping(address => uint256) public REF_VOLUME;
  mapping(address => uint256) public ADAPTER_VOLUME;
  mapping(address => address) public DELEGATE;
  mapping(address => bool) public BLACKLISTED;

  uint256 public GLOBAL_BOOST = 0;
  uint256 public BASE_VOLUME_SCALER = 100; // 1% (1 point per $100 in volume initially)
  uint256 public REF_VOLUME_SCALER = 0;
  uint256 public ADAPTER_VOLUME_SCALER = 200; // 2%

  error AlreadyInitialized();
  error ZeroAddress();
  error NotPermitted();
  error InvalidSelfAmount();
  error InvalidRefAmount();
  error InvalidAdapterAmount();

  bool public initialized = false;
  address public governor;
  function initialize(address _governor) public onlyMaintainer {
    if (initialized) revert AlreadyInitialized();
    initialized = true;

    IBlast blast = IBlast(0x4300000000000000000000000000000000000002);
    blast.configureClaimableGas();
    blast.configureGovernor(_governor);

    governor = _governor;
  }

  function setVolumeAdapter(address _volumeAdapter) override public onlyMaintainer {
    emit UpdatedVolumeAdapter(_volumeAdapter);
    VOLUME_ADAPTER = _volumeAdapter;
  }

  function setReferralsContract(address _referrals) override public onlyMaintainer {
    emit UpdatedReferralsContract(_referrals);
    REFERRALS = _referrals;
  }

  function setVolumeScalers(uint256 _refVolumeScaler, uint256 _adapterVolumeScaler) override public onlyMaintainer {
    REF_VOLUME_SCALER = _refVolumeScaler;
    ADAPTER_VOLUME_SCALER = _adapterVolumeScaler;
    emit UpdatedVolumeScalers(_refVolumeScaler, _adapterVolumeScaler);
  }

  function setAdapterDelegate(address _adapter, address _delegate) override public onlyMaintainer {
    DELEGATE[_adapter] = _delegate;
    emit UpdatedAdapterDelegate(_adapter, _delegate);
  }

  function setGlobalBoost(uint256 _boost) override public onlyMaintainer {
    GLOBAL_BOOST = _boost;
    emit UpdatedGlobalBoost(_boost);
  }

  function setBlacklisted(address _add, bool _blacklisted) override public onlyMaintainer {
    BLACKLISTED[_add] = _blacklisted;
    emit UpdatedBlacklisted(_add, _blacklisted);
  }

  function setDelegate(address _user, address _delegate) override public {
    if (_user != msg.sender && DELEGATE[_user] != msg.sender) revert NotPermitted();
    DELEGATE[msg.sender] = _delegate;
    emit UpdatedDelegate(msg.sender, _user, _delegate);
  }

  function summitTeamGivePoints(address _add, uint256 _volume) override public onlyMaintainer {
    SELF_VOLUME[_add] += _volume;
    emit SummitTeamGivenPoints(_add, _volume);    
  }

  function addVolume(address _add, uint256 _volume) override public {
    if (msg.sender != VOLUME_ADAPTER) revert NotPermitted();

    if (GLOBAL_BOOST > 0) {
      _volume = (_volume * (10000 + GLOBAL_BOOST)) / 10000;
    }

    SELF_VOLUME[_add] += _volume;
    emit AddedUserVolume(_add, _volume);

    address referrer = REFERRALS == address(0) ? address(0) : ISummitReferrals(REFERRALS).getReferrer(_add);
    if (referrer != address(0)) {
      REF_VOLUME[referrer] += _volume;
      emit AddedReferrerVolume(referrer, _add, _volume);
    }
  }

  function addAdapterVolume(address _adapter, uint256 _volume) override public {
    if (msg.sender != VOLUME_ADAPTER) revert NotPermitted();

    if (GLOBAL_BOOST > 0) {
      _volume = (_volume * (10000 + GLOBAL_BOOST)) / 10000;
    }

    ADAPTER_VOLUME[_adapter] += _volume;
    emit AddedAdapterVolume(_adapter, _volume);
  }

  function transferVolume(address _from, address _to, uint256 _selfAmount, uint256 _refAmount, uint256 _adapterAmount) override public {
    if (_to == address(0)) revert ZeroAddress();
    if (_from != msg.sender && DELEGATE[_from] != msg.sender) revert NotPermitted();
    if (_selfAmount > SELF_VOLUME[_from]) revert InvalidSelfAmount();
    if (_refAmount > REF_VOLUME[_from]) revert InvalidRefAmount();
    if (_adapterAmount > ADAPTER_VOLUME[_from]) revert InvalidAdapterAmount();
    
    SELF_VOLUME[_from] -= _selfAmount;
    SELF_VOLUME[_to] += _selfAmount;
    
    REF_VOLUME[_from] -= _refAmount;
    REF_VOLUME[_to] += _refAmount;

    ADAPTER_VOLUME[_from] -= _adapterAmount;
    ADAPTER_VOLUME[_to] += _adapterAmount;

    emit TransferredVolume(msg.sender, _from, _to, _selfAmount, _refAmount, _adapterAmount);
  }

  function getVolume(address _add) override public view returns (uint256 selfVolume, uint256 refVolume, uint256 adapterVolume) {
    return (
      SELF_VOLUME[_add],
      REF_VOLUME[_add],
      ADAPTER_VOLUME[_add]
    );
  }

  function getPoints(address _add) override public view returns (uint256 pointsFromSelf, uint256 pointsFromRef, uint256 pointsFromAdapter, uint256 pointsTotal) {
    if (BLACKLISTED[_add]) return (0, 0, 0, 0);
    uint256 userSelfVolMult = REFERRALS == address(0) ? 10000 : ISummitReferrals(REFERRALS).getSelfVolumeMultiplier(_add);
    uint256 userRefVolMult = REFERRALS == address(0) ? 0 : ISummitReferrals(REFERRALS).getRefVolumeBonusMultiplier(_add);
    pointsFromSelf = (SELF_VOLUME[_add] * userSelfVolMult * BASE_VOLUME_SCALER) / (10000 * 10000);
    pointsFromRef = (REF_VOLUME[_add] * (REF_VOLUME_SCALER + userRefVolMult) * BASE_VOLUME_SCALER) / (10000 * 10000);
    pointsFromAdapter = (ADAPTER_VOLUME[_add] * ADAPTER_VOLUME_SCALER * BASE_VOLUME_SCALER) / (10000 * 10000);
    pointsTotal = pointsFromSelf + pointsFromRef + pointsFromAdapter;
  }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;

import "./interface/ISummitRouter.sol";
import "./interface/IAdapter.sol";
import "./interface/IBlast.sol";
import "./interface/IERC20.sol";
import "./interface/IWETH.sol";
import "./lib/SafeERC20.sol";
import "./lib/Maintainable.sol";
import "./lib/SummitViewUtils.sol";
import "./lib/Recoverable.sol";
import "./interface/ISummitVolumeAdapter.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

contract SummitRouter is Maintainable, Recoverable, ISummitRouter {
    using SafeERC20 for IERC20;
    using OfferUtils for Offer;
    using EnumerableSet for EnumerableSet.AddressSet;

    address public immutable WNATIVE;
    address public constant NATIVE = address(0);
    string public constant NAME = "SummitRouter";
    uint256 public constant FEE_DENOMINATOR = 1e4;
    uint256 public MIN_FEE = 0;
    address public FEE_CLAIMER;
    address[] public TRUSTED_TOKENS;
    mapping(address => uint256) public TOKEN_VOLUME_MULTIPLIERS; // (token amount * tokenVolumeMultiplier[token]) / 1e12
    mapping(address => uint256) public TOKEN_VOLUME_BONUS;
    address[] public ADAPTERS;
    address public VOLUME_ADAPTER;

    error AlreadyInitialized();

    constructor(
        address[] memory _adapters,
        address[] memory _trustedTokens,
        address _feeClaimer,
        address _wrapped_native
    ) {
        setAllowanceForWrapping(_wrapped_native);
        setTrustedTokens(_trustedTokens);
        setFeeClaimer(_feeClaimer);
        setAdapters(_adapters);
        WNATIVE = _wrapped_native;
    }

    bool public initialized = false;
    address public governor;
    function initialize(address _governor) public onlyMaintainer {
        if (initialized) revert AlreadyInitialized();
        initialized = true;

        IBlast blast = IBlast(0x4300000000000000000000000000000000000002);
        blast.configureClaimableGas();
        blast.configureGovernor(_governor);

        governor = _governor;
    }

    // -- SETTERS --

    function setAllowanceForWrapping(address _wnative) public onlyMaintainer {
        IERC20(_wnative).safeApprove(_wnative, type(uint256).max);
    }

    function setTrustedTokens(address[] memory _trustedTokens) override public onlyMaintainer {
        emit UpdatedTrustedTokens(_trustedTokens);
        TRUSTED_TOKENS = _trustedTokens;
    }

    function setTokenVolumeMultipliers(address[] memory _tokens, uint256[] memory _volumeMultipliers) public onlyMaintainer {
        require(_tokens.length == _volumeMultipliers.length, "SummitRouter: Array length mismatch");
        emit UpdatedTokenVolumeMultipliers(_tokens, _volumeMultipliers);
        for (uint256 i = 0; i < _tokens.length; i++) {
            TOKEN_VOLUME_MULTIPLIERS[_tokens[i]] = _volumeMultipliers[i];
        }
    }

    function setTokenBonusMultipliers(address[] memory _tokens, uint256[] memory _multipliers) public onlyMaintainer {
        require(_tokens.length == _multipliers.length, "SummitRouter: Array length mismatch");
        emit UpdatedTokenBonusMultipliers(_tokens, _multipliers);
        for (uint256 i = 0; i < _tokens.length; i++) {
            TOKEN_VOLUME_BONUS[_tokens[i]] = _multipliers[i];
        }
    }

    function setAdapters(address[] memory _adapters) override public onlyMaintainer {
        emit UpdatedAdapters(_adapters);
        ADAPTERS = _adapters;
    }

    function setVolumeAdapter(address _volumeAdapter) override public onlyMaintainer {
        emit UpdatedVolumeAdapter(_volumeAdapter);
        VOLUME_ADAPTER = _volumeAdapter;
    }

    function setMinFee(uint256 _fee) override external onlyMaintainer {
        emit UpdatedMinFee(MIN_FEE, _fee);
        MIN_FEE = _fee;
    }

    function setFeeClaimer(address _claimer) override public onlyMaintainer {
        emit UpdatedFeeClaimer(FEE_CLAIMER, _claimer);
        FEE_CLAIMER = _claimer;
    }

    //  -- GENERAL --

    function trustedTokensCount() override external view returns (uint256) {
        return TRUSTED_TOKENS.length;
    }

    function adaptersCount() override external view returns (uint256) {
        return ADAPTERS.length;
    }

    // Fallback
    receive() external payable {}

    // -- HELPERS --

    function _applyFee(uint256 _amountIn, uint256 _fee) internal view returns (uint256) {
        require(_fee >= MIN_FEE, "SummitRouter: Insufficient fee");
        return (_amountIn * (FEE_DENOMINATOR - _fee)) / FEE_DENOMINATOR;
    }

    function _wrap(uint256 _amount) internal {
        IWETH(WNATIVE).deposit{ value: _amount }();
    }

    function _unwrap(uint256 _amount) internal {
        IWETH(WNATIVE).withdraw(_amount);
    }

    /**
     * @notice Return tokens to user
     * @dev Pass address(0) for NATIVE
     * @param _token address
     * @param _amount tokens to return
     * @param _to address where funds should be sent to
     */
    function _returnTokensTo(
        address _token,
        uint256 _amount,
        address _to
    ) internal {
        if (address(this) != _to) {
            if (_token == NATIVE) {
                payable(_to).transfer(_amount);
            } else {
                IERC20(_token).safeTransfer(_to, _amount);
            }
        }
    }

    function _transferFrom(address token, address _from, address _to, uint _amount) internal {
        if (_from != address(this))
            IERC20(token).safeTransferFrom(_from, _to, _amount);
        else
            IERC20(token).safeTransfer(_to, _amount);
    }
    
    // -- QUERIES --

    /**
     * Query single adapter
     */
    function queryAdapter(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint8 _index
    ) override external view returns (uint256) {
        IAdapter _adapter = IAdapter(ADAPTERS[_index]);
        uint256 amountOut = _adapter.query(_amountIn, _tokenIn, _tokenOut);
        return amountOut;
    }

    /**
     * Query specified adapters
     */
    function queryNoSplit(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint8[] calldata _options
    ) override public view returns (Query memory) {
        Query memory bestQuery;
        for (uint8 i; i < _options.length; i++) {
            address _adapter = ADAPTERS[_options[i]];
            uint256 amountOut = IAdapter(_adapter).query(_amountIn, _tokenIn, _tokenOut);
            if (i == 0 || amountOut > bestQuery.amountOut) {
                bestQuery = Query(_adapter, _tokenIn, _tokenOut, amountOut);
            }
        }
        return bestQuery;
    }

    /**
     * Query all adapters
     */
    function queryNoSplit(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) override public view returns (Query memory) {
        Query memory bestQuery;
        for (uint8 i; i < ADAPTERS.length; i++) {
            address _adapter = ADAPTERS[i];
            uint256 amountOut = IAdapter(_adapter).query(_amountIn, _tokenIn, _tokenOut);
            if (i == 0 || amountOut > bestQuery.amountOut) {
                bestQuery = Query(_adapter, _tokenIn, _tokenOut, amountOut);
            }
        }
        return bestQuery;
    }

    /**
     * Return path with best returns between two tokens
     * Takes gas-cost into account
     */
    function findBestPathWithGas(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint256 _maxSteps,
        uint256 _gasPrice
    ) override external view returns (FormattedOffer memory) {
        require(_maxSteps > 0 && _maxSteps < 5, "SummitRouter: Invalid max-steps");
        Offer memory queries = OfferUtils.newOffer(_amountIn, _tokenIn);
        uint256 gasPriceInExitTkn = _gasPrice > 0 ? getGasPriceInExitTkn(_gasPrice, _tokenOut) : 0;
        queries = _findBestPath(_amountIn, _tokenIn, _tokenOut, _maxSteps, queries, gasPriceInExitTkn);
        if (queries.adapters.length == 0) {
            queries.amounts = "";
            queries.path = "";
        }
        return queries.format();
    }

    // Find the market price between gas-asset(native) and token-out and express gas price in token-out
    function getGasPriceInExitTkn(uint256 _gasPrice, address _tokenOut) internal view returns (uint256 price) {
        // Avoid low-liquidity price appreciation (https://github.com/yieldsummit/summit-aggregator/issues/20)
        FormattedOffer memory gasQuery = findBestPath(1e18, WNATIVE, _tokenOut, 2);
        if (gasQuery.path.length != 0) {
            // Leave result in nWei to preserve precision for assets with low decimal places
            price = (gasQuery.amounts[gasQuery.amounts.length - 1] * _gasPrice) / 1e9;
        }
    }

    /**
     * Return path with best returns between two tokens
     */
    function findBestPath(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint256 _maxSteps
    ) override public view returns (FormattedOffer memory) {
        require(_maxSteps > 0 && _maxSteps < 5, "SummitRouter: Invalid max-steps");
        Offer memory queries = OfferUtils.newOffer(_amountIn, _tokenIn);
        queries = _findBestPath(_amountIn, _tokenIn, _tokenOut, _maxSteps, queries, 0);
        // If no paths are found return empty struct
        if (queries.adapters.length == 0) {
            queries.amounts = "";
            queries.path = "";
        }
        return queries.format();
    }

    function _findBestPath(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut,
        uint256 _maxSteps,
        Offer memory _queries,
        uint256 _tknOutPriceNwei
    ) internal view returns (Offer memory) {
        Offer memory bestOption = _queries.clone();
        uint256 bestAmountOut;
        uint256 gasEstimate;
        bool withGas = _tknOutPriceNwei != 0;

        // First check if there is a path directly from tokenIn to tokenOut
        Query memory queryDirect = queryNoSplit(_amountIn, _tokenIn, _tokenOut);

        if (queryDirect.amountOut != 0) {
            if (withGas) {
                gasEstimate = IAdapter(queryDirect.adapter).swapGasEstimate();
            }
            bestOption.addToTail(queryDirect.amountOut, queryDirect.adapter, queryDirect.tokenOut, gasEstimate);
            bestAmountOut = queryDirect.amountOut;
        }
        // Only check the rest if they would go beyond step limit (Need at least 2 more steps)
        if (_maxSteps > 1 && _queries.adapters.length / 32 <= _maxSteps - 2) {
            // Check for paths that pass through trusted tokens
            for (uint256 i = 0; i < TRUSTED_TOKENS.length; i++) {
                if (_tokenIn == TRUSTED_TOKENS[i]) {
                    continue;
                }
                // Loop through all adapters to find the best one for swapping tokenIn for one of the trusted tokens
                Query memory bestSwap = queryNoSplit(_amountIn, _tokenIn, TRUSTED_TOKENS[i]);
                if (bestSwap.amountOut == 0) {
                    continue;
                }
                // Explore options that connect the current path to the tokenOut
                Offer memory newOffer = _queries.clone();
                if (withGas) {
                    gasEstimate = IAdapter(bestSwap.adapter).swapGasEstimate();
                }
                newOffer.addToTail(bestSwap.amountOut, bestSwap.adapter, bestSwap.tokenOut, gasEstimate);
                newOffer = _findBestPath(
                    bestSwap.amountOut,
                    TRUSTED_TOKENS[i],
                    _tokenOut,
                    _maxSteps,
                    newOffer,
                    _tknOutPriceNwei
                ); // Recursive step
                address tokenOut = newOffer.getTokenOut();
                uint256 amountOut = newOffer.getAmountOut();
                // Check that the last token in the path is the tokenOut and update the new best option if neccesary
                if (_tokenOut == tokenOut && amountOut > bestAmountOut) {
                    if (newOffer.gasEstimate > bestOption.gasEstimate) {
                        uint256 gasCostDiff = (_tknOutPriceNwei * (newOffer.gasEstimate - bestOption.gasEstimate)) /
                            1e9;
                        uint256 priceDiff = amountOut - bestAmountOut;
                        if (gasCostDiff > priceDiff) {
                            continue;
                        }
                    }
                    bestAmountOut = amountOut;
                    bestOption = newOffer;
                }
            }
        }
        return bestOption;
    }

    // -- VOLUME --

    function getTokenBonus(address _token) override public view returns (uint256) {
        if (_token == address(0)) return 0;
        return TOKEN_VOLUME_BONUS[_token];
    }

    function _applyUserVolume(
        address _from,
        address[] memory _path, 
        uint256[] memory _amounts
    ) internal returns (uint256) {
        if (VOLUME_ADAPTER == address(0)) return 0;

        uint256 volume = 0;
        uint256 bonus = 0;
        for (uint256 i = 0; i < _path.length; i++) {
            if (bonus == 0 && TOKEN_VOLUME_BONUS[_path[i]] != 0) {
                bonus = TOKEN_VOLUME_BONUS[_path[i]];
            }
            if (volume == 0 && TOKEN_VOLUME_MULTIPLIERS[_path[i]] != 0) {
                volume = TOKEN_VOLUME_MULTIPLIERS[_path[i]] * _amounts[i] / 1e12;
            }
        }

        if (volume > 0 && VOLUME_ADAPTER != address(0)) {
            ISummitVolumeAdapter(VOLUME_ADAPTER).addVolume(_from, (volume * (10000 + bonus)) / 10000);
        }

        return volume;
    }

    function _applyAdapterVolume(
        address _adapter,
        uint256 _volume
    ) internal {
        if (_volume == 0 || VOLUME_ADAPTER == address(0)) return;
        ISummitVolumeAdapter(VOLUME_ADAPTER).addAdapterVolume(_adapter, _volume);
    }

    // -- SWAPPERS --

    function _swapNoSplit(
        Trade calldata _trade,
        address _from,
        address _to,
        uint256 _fee
    ) internal returns (uint256) {
        uint256[] memory amounts = new uint256[](_trade.path.length);
        if (_fee > 0 || MIN_FEE > 0) {
            // Transfer fees to the claimer account and decrease initial amount
            amounts[0] = _applyFee(_trade.amountIn, _fee);
            _transferFrom(_trade.path[0], _from, address(this), _trade.amountIn - amounts[0]);
            _transferFrom(_trade.path[0], address(this), FEE_CLAIMER, _trade.amountIn - amounts[0]);
        } else {
            amounts[0] = _trade.amountIn;
        }
        _transferFrom(_trade.path[0], _from, _trade.adapters[0], amounts[0]);

        // Get amounts that will be swapped
        for (uint256 i = 0; i < _trade.adapters.length; i++) {
            amounts[i + 1] = IAdapter(_trade.adapters[i]).query(amounts[i], _trade.path[i], _trade.path[i + 1]);
        }

        // Add volume to user
        uint256 volume = _applyUserVolume(msg.sender, _trade.path, amounts);

        require(amounts[amounts.length - 1] >= _trade.amountOut, "SummitRouter: Insufficient output amount");
        for (uint256 i = 0; i < _trade.adapters.length; i++) {
            _applyAdapterVolume(_trade.adapters[i], volume);

            // All adapters should transfer output token to the following target
            // All targets are the adapters, expect for the last swap where tokens are sent out
            address targetAddress = i < _trade.adapters.length - 1 ? _trade.adapters[i + 1] : _to;
            IAdapter(_trade.adapters[i]).swap(
                amounts[i],
                amounts[i + 1],
                _trade.path[i],
                _trade.path[i + 1],
                targetAddress
            );
        }

        

        emit SummitSwap(_trade.path[0], _trade.path[_trade.path.length - 1], _trade.amountIn, amounts[amounts.length - 1]);
        return amounts[amounts.length - 1];
    }

    function swapNoSplit(
        Trade calldata _trade,
        address _to,
        uint256 _fee
    ) override public {
        _swapNoSplit(_trade, msg.sender, _to, _fee);
    }

    function swapNoSplitFromNATIVE(
        Trade calldata _trade,
        address _to,
        uint256 _fee
    ) override external payable {
        require(_trade.path[0] == WNATIVE, "SummitRouter: Path needs to begin with WNATIVE");
        _wrap(_trade.amountIn);
        _swapNoSplit(_trade, address(this), _to, _fee);
    }

    function swapNoSplitToNATIVE(
        Trade calldata _trade,
        address _to,
        uint256 _fee
    ) override public {
        require(_trade.path[_trade.path.length - 1] == WNATIVE, "SummitRouter: Path needs to end with WNATIVE");
        uint256 returnAmount = _swapNoSplit(_trade, msg.sender, address(this), _fee);
        _unwrap(returnAmount);
        _returnTokensTo(NATIVE, returnAmount, _to);
    }

    /**
     * Swap token to token without the need to approve the first token
     */
    function swapNoSplitWithPermit(
        Trade calldata _trade,
        address _to,
        uint256 _fee,
        uint256 _deadline,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) override external {
        IERC20(_trade.path[0]).permit(msg.sender, address(this), _trade.amountIn, _deadline, _v, _r, _s);
        swapNoSplit(_trade, _to, _fee);
    }

    /**
     * Swap token to NATIVE without the need to approve the first token
     */
    function swapNoSplitToNATIVEWithPermit(
        Trade calldata _trade,
        address _to,
        uint256 _fee,
        uint256 _deadline,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) override external {
        IERC20(_trade.path[0]).permit(msg.sender, address(this), _trade.amountIn, _deadline, _v, _r, _s);
        swapNoSplitToNATIVE(_trade, _to, _fee);
    }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;

import "./interface/ISummitVolumeAdapter.sol";
import "./interface/ISummitPoints.sol";
import "./interface/IAdapter.sol";
import "./interface/IBlast.sol";
import "./interface/IERC20.sol";
import "./interface/IWETH.sol";
import "./lib/SafeERC20.sol";
import "./lib/Maintainable.sol";
import "./lib/SummitViewUtils.sol";
import "./lib/Recoverable.sol";
import "./lib/SafeERC20.sol";


contract SummitVolumeAdapterV1 is Maintainable, Recoverable, ISummitVolumeAdapter {

  address public ROUTER;
  address public POINTS_CONTRACT;

  error OnlyRouter();
  error AlreadyInitialized();

  bool public initialized = false;
  address public governor;
  function initialize(address _governor) public onlyMaintainer {
    if (initialized) revert AlreadyInitialized();
    initialized = true;

    IBlast blast = IBlast(0x4300000000000000000000000000000000000002);
    blast.configureClaimableGas();
    blast.configureGovernor(_governor);

    governor = _governor;
  }


  function setRouter(address _router) override public onlyMaintainer {
    emit UpdatedRouter(_router);
    ROUTER = _router;
  }

  function setPointsContract(address _pointsContract) override public onlyMaintainer {
    emit UpdatedPointsContract(_pointsContract);
    POINTS_CONTRACT = _pointsContract;
  }

  function addVolume(address _add, uint256 _volume) override public {
    if (msg.sender != ROUTER) revert OnlyRouter();
    if (POINTS_CONTRACT == address(0)) return;
    ISummitPoints(POINTS_CONTRACT).addVolume(_add, _volume);
  }

  function addAdapterVolume(address _add, uint256 _volume) override public {
    if (msg.sender != ROUTER) revert OnlyRouter();
    if (POINTS_CONTRACT == address(0)) return;
    ISummitPoints(POINTS_CONTRACT).addAdapterVolume(_add, _volume);
  }
}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "./SummitAdapter.sol";

abstract contract SummitWrapper is SummitAdapter {

    constructor(string memory name, uint256 gasEstimate) SummitAdapter(name, gasEstimate) {}

    function getTokensIn() external view virtual returns (address[] memory);
    function getTokensOut() external view virtual returns (address[] memory);
    function getWrappedToken() external view virtual returns (address);

}

//
//            __               ___ ___    __            _  
//           (_  | | |\/| |\/|  |   |    (_ \    / /\  |_) 
//           __) |_| |  | |  | _|_  |    __) \/\/ /--\ |   
//

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity ^0.8.0;

import "../interface/IUniswapFactory.sol";
import "../interface/IUniswapPair.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";
import "../SummitAdapter.sol";

contract DummyAdapter is SummitAdapter {
    using SafeERC20 for IERC20;

    IERC20 public A;
    IERC20 public B;

    uint256 AtoBPrice = 50;

    constructor(
        string memory _name,
        uint256 _swapGasEstimate,
        IERC20 tokenA,
        IERC20 tokenB
    ) SummitAdapter(_name, _swapGasEstimate) {
      A = tokenA;
      B = tokenB;
    }

    function _getAmountOut(
        uint256 _amountIn,
        address _tokenIn
    ) internal view returns (uint256 amountOut) {
      if (_tokenIn == address(A)) return _amountIn * AtoBPrice;
      return _amountIn / AtoBPrice;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
      return _getAmountOut(_amountIn, _tokenIn);
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address to
    ) internal override {
        IERC20(_tokenOut).safeTransfer(to, _getAmountOut(_amountIn, _tokenIn));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "../SummitWrapper.sol";


interface ISomeExternalContract {
    function getWhitelistedTokens() external view returns (address[] memory);
    function getWrappedToken() external view returns (address);
    
    function queryMint(address from, uint amount) external view returns (uint256);
    function queryBurn(address to, uint amount) external view returns (uint256);

    function mintWrappedToken(address from, uint amount) external;
    function burnWrappedToken(address to, uint amount) external;
}

contract TestWrapper is SummitWrapper {
    using SafeERC20 for IERC20;

    address internal immutable someExternalContract;
    mapping(address => bool) internal isWhitelisted;
    address internal immutable wrappedToken;
    address[] internal whitelistedTokens;

    constructor(
        string memory _name, 
        uint256 _gasEstimate, 
        address _someExternalContract
    ) SummitWrapper(_name, _gasEstimate) {
        whitelistedTokens = ISomeExternalContract(_someExternalContract).getWhitelistedTokens();
        wrappedToken = ISomeExternalContract(_someExternalContract).getWrappedToken();
        someExternalContract = _someExternalContract;
    }

    function setWhitelistedTokens(address[] memory tokens) public onlyMaintainer {
        for (uint i = 0; i < whitelistedTokens.length; i++) {
            isWhitelisted[whitelistedTokens[i]] = false;
        }
        whitelistedTokens = tokens;
        for (uint i = 0; i < tokens.length; i++) {
            isWhitelisted[tokens[i]] = true;
        }
    }

    function getTokensIn() override external view returns (address[] memory) {
        return whitelistedTokens;
    }

    function getTokensOut() override external view returns (address[] memory) {
        return whitelistedTokens;
    }

    function getWrappedToken() override external view returns (address) {
        return wrappedToken;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) override internal view returns (uint256) {
        if (_tokenIn == wrappedToken && isWhitelisted[_tokenOut]) {
            return ISomeExternalContract(someExternalContract).queryBurn(_tokenOut, _amountIn);
        } else if (_tokenOut == wrappedToken && isWhitelisted[_tokenIn]) {
            return ISomeExternalContract(someExternalContract).queryMint(_tokenIn, _amountIn);
        } else {
            return 0;
        }
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) override internal {
        if (_tokenIn == wrappedToken && isWhitelisted[_tokenOut]) {
            IERC20(_tokenOut).safeTransfer(someExternalContract, _amountIn);
            ISomeExternalContract(someExternalContract).burnWrappedToken(_tokenOut, _amountIn);
        } else if (_tokenOut == wrappedToken && isWhitelisted[_tokenIn]) {
            IERC20(_tokenIn).safeTransfer(someExternalContract, _amountIn);
            ISomeExternalContract(someExternalContract).mintWrappedToken(_tokenIn, _amountIn);
        } else {
            revert("Invalid token pair");
        }
        _returnTo(_tokenOut, _amountOut, _to);
    }

}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "../SummitWrapper.sol";
import "../interface/IGmxVault.sol";
import "../interface/IGlpManager.sol";
import "../interface/IGmxRewardRouter.sol";
import "../interface/IERC20.sol";
import "../lib/SafeERC20.sol";

contract GlpWrapper is SummitWrapper {
    using SafeERC20 for IERC20;

    uint256 public constant BASIS_POINTS_DIVISOR = 1e4;
    uint256 public constant PRICE_PRECISION = 1e30;

    address public immutable USDG;
    address public immutable GLP;
    address public immutable sGLP;
    address public immutable vault;
    address public immutable rewardRouter;
    address public immutable glpManager;
    address public immutable vaultUtils;

    mapping(address => bool) internal isWhitelisted;
    address[] internal whitelistedTokens;

    constructor(
        string memory _name,
        uint256 _gasEstimate,
        address _gmxRewardRouter,
        address _glp,
        address _sGlp
    ) SummitWrapper(_name, _gasEstimate) {
        address gmxGLPManager = IGmxRewardRouter(_gmxRewardRouter).glpManager();
        address gmxVault = IGlpManager(gmxGLPManager).vault();
        USDG = IGmxVault(gmxVault).usdg();
        vaultUtils = address(IGmxVault(gmxVault).vaultUtils());
        rewardRouter = _gmxRewardRouter;
        vault = gmxVault;
        glpManager = gmxGLPManager;
        GLP = _glp;
        sGLP = _sGlp;
    }

    function setWhitelistedTokens(address[] memory tokens) public onlyMaintainer {
        for (uint256 i = 0; i < whitelistedTokens.length; i++) {
            isWhitelisted[whitelistedTokens[i]] = false;
        }
        whitelistedTokens = tokens;
        for (uint256 i = 0; i < tokens.length; i++) {
            isWhitelisted[tokens[i]] = true;
        }
    }

    function getTokensIn() external view override returns (address[] memory) {
        return whitelistedTokens;
    }

    function getTokensOut() external view override returns (address[] memory) {
        return whitelistedTokens;
    }

    function getWrappedToken() external view override returns (address) {
        return sGLP;
    }

    function _query(
        uint256 _amountIn,
        address _tokenIn,
        address _tokenOut
    ) internal view override returns (uint256 amountOut) {
        return (_tokenOut == sGLP) ? _quoteBuyGLP(_tokenIn, _amountIn) : _quoteSellGLP(_tokenOut, _amountIn);
    }

    function _quoteBuyGLP(address _tokenIn, uint256 _amountIn) internal view returns (uint256 amountOut) {
        uint256 aumInUsdg = IGlpManager(glpManager).getAumInUsdg(true);
        uint256 glpSupply = IERC20(GLP).totalSupply();
        uint256 price = IGmxVault(vault).getMinPrice(_tokenIn);
        uint256 usdgAmount = _calculateBuyUsdg(_amountIn, price, _tokenIn);
        amountOut = aumInUsdg == 0 ? usdgAmount : (usdgAmount * glpSupply) / aumInUsdg;
    }

    function _calculateBuyUsdg(
        uint256 _amountIn,
        uint256 _price,
        address _tokenIn
    ) internal view returns (uint256 amountOut) {
        amountOut = (_amountIn * _price) / PRICE_PRECISION;
        amountOut = IGmxVault(vault).adjustForDecimals(amountOut, _tokenIn, USDG);
        uint256 feeBasisPoints = IGmxVaultUtils(vaultUtils).getBuyUsdgFeeBasisPoints(_tokenIn, amountOut);
        uint256 amountAfterFees = (_amountIn * (BASIS_POINTS_DIVISOR - feeBasisPoints)) / BASIS_POINTS_DIVISOR;
        amountOut = (amountAfterFees * _price) / PRICE_PRECISION;
        amountOut = IGmxVault(vault).adjustForDecimals(amountOut, _tokenIn, USDG);
    }

    function _quoteSellGLP(address _tokenOut, uint256 _amountIn) internal view returns (uint256 amountOut) {
        uint256 aumInUsdg = IGlpManager(glpManager).getAumInUsdg(false);
        uint256 glpSupply = IERC20(GLP).totalSupply();
        uint256 usdgAmount = (_amountIn * aumInUsdg) / glpSupply;
        uint256 redemptionAmount = IGmxVault(vault).getRedemptionAmount(_tokenOut, usdgAmount);
        uint256 feeBasisPoints = calculateSellUsdgFeeBasisPoints(_tokenOut, usdgAmount);
        amountOut = (redemptionAmount * (BASIS_POINTS_DIVISOR - feeBasisPoints)) / BASIS_POINTS_DIVISOR;
    }

    function calculateSellUsdgFeeBasisPoints(address _token, uint256 _usdgDelta) internal view returns (uint256) {
        uint feeBasisPoints = IGmxVault(vault).mintBurnFeeBasisPoints();
        uint taxBasisPoints = IGmxVault(vault).taxBasisPoints();
        if (!IGmxVault(vault).hasDynamicFees()) {
            return feeBasisPoints;
        }

        uint256 initialAmount = IGmxVault(vault).usdgAmounts(_token) - _usdgDelta;
        uint256 nextAmount = _usdgDelta > initialAmount ? 0 : initialAmount - _usdgDelta;

        uint256 targetAmount = IGmxVault(vault).getTargetUsdgAmount(_token);
        if (targetAmount == 0) {
            return feeBasisPoints;
        }

        uint256 initialDiff = initialAmount > targetAmount
            ? initialAmount - targetAmount
            : targetAmount - initialAmount;
        uint256 nextDiff = nextAmount > targetAmount ? nextAmount - targetAmount : targetAmount - nextAmount;

        if (nextDiff < initialDiff) {
            uint256 rebateBps = (taxBasisPoints * initialDiff) / targetAmount;
            return rebateBps > feeBasisPoints ? 0 : feeBasisPoints - rebateBps;
        }

        uint256 averageDiff = (initialDiff + nextDiff) / 2;
        if (averageDiff > targetAmount) {
            averageDiff = targetAmount;
        }
        uint256 taxBps = (taxBasisPoints * averageDiff) / targetAmount;
        return feeBasisPoints + taxBps;
    }

    function _swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _tokenIn,
        address _tokenOut,
        address _to
    ) internal override {}

    function swap(
        uint256 _amountIn,
        uint256 _amountOut,
        address _fromToken,
        address _toToken,
        address _to
    ) external override {
        uint256 toBalanceBefore = IERC20(_toToken).balanceOf(_to);
        if (_toToken == sGLP) {
            IERC20(_fromToken).approve(glpManager, _amountIn);
            uint256 amount = IGmxRewardRouter(rewardRouter).mintAndStakeGlp(_fromToken, _amountIn, 0, _amountOut);
            _returnTo(sGLP, amount, _to);
        } else {
            IGmxRewardRouter(rewardRouter).unstakeAndRedeemGlp(_toToken, _amountIn, _amountOut, _to);
        }
        uint256 diff = IERC20(_toToken).balanceOf(_to) - toBalanceBefore;
        require(diff >= _amountOut, "Insufficient amount-out");
        emit SummitAdapterSwap(_fromToken, _toToken, _amountIn, _amountOut);
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 999
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"REF_CODE_INV","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"REF_COUNT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SUMMIT_POINTS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addedMaintainer","type":"address"}],"name":"addMaintainer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"uint8","name":"_boostLevel","type":"uint8"}],"name":"boostReferrer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_referrers","type":"address[]"},{"internalType":"uint8[]","name":"_levels","type":"uint8[]"}],"name":"boostReferrers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"_level","type":"uint8"}],"name":"getLevelRequirements","outputs":[{"internalType":"uint256","name":"selfVolume","type":"uint256"},{"internalType":"uint256","name":"refVolume","type":"uint256"},{"internalType":"uint256","name":"refsCount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getRefVolumeBonusMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getReferrer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getReferrerCode","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getReferrerLevel","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getReferrerLevelWithoutBoost","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getRefsCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getSelfVolumeMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"}],"name":"getUserNextLevelRequirements","outputs":[{"internalType":"uint256","name":"selfVolume","type":"uint256"},{"internalType":"uint256","name":"refVolume","type":"uint256"},{"internalType":"uint256","name":"refsCount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_governor","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"levelCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_add","type":"address"},{"internalType":"string","name":"_code","type":"string"}],"name":"maintainerSetReferralCode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"removedMaintainer","type":"address"}],"name":"removeMaintainer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_refVolumeReq","type":"uint256[]"},{"internalType":"uint256[]","name":"_selfVolumeReq","type":"uint256[]"},{"internalType":"uint256[]","name":"_refsReq","type":"uint256[]"},{"internalType":"uint256[]","name":"_multReward","type":"uint256[]"},{"internalType":"uint256","name":"_hasReferrerBonusMult","type":"uint256"}],"name":"setLevelData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_pointsContract","type":"address"}],"name":"setPointsContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_code","type":"string"}],"name":"setReferralCode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_referrer","type":"address"},{"internalType":"string","name":"_code","type":"string"}],"name":"setReferrer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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