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// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity 0.8.19;

import {Address} from "openzeppelin-solc-0.8/utils/Address.sol";
import {ERC20} from "openzeppelin-solc-0.8/token/ERC20/ERC20.sol";
import {SafeERC20} from "openzeppelin-solc-0.8/token/ERC20/utils/SafeERC20.sol";
import {IWETH} from "../../external-interfaces/IWETH.sol";
import {IAddressListRegistry} from "../../persistent/address-list-registry/IAddressListRegistry.sol";
import {AssetHelpers} from "../../utils/0.8.19/AssetHelpers.sol";
import {IComptroller} from "../core/fund/comptroller/IComptroller.sol";

/// @title DepositWrapper Contract
/// @author Enzyme Council <[email protected]>
/// @notice Logic related to wrapping deposit actions
contract DepositWrapper is AssetHelpers {
    using SafeERC20 for ERC20;

    IAddressListRegistry private immutable ADDRESS_LIST_REGISTRY;
    uint256 private immutable ALLOWED_EXCHANGES_LIST_ID;
    IWETH private immutable WRAPPED_NATIVE_ASSET;

    constructor(address _addressListRegistryAddress, uint256 _allowedExchangesListId, IWETH _wrappedNativeAsset) {
        ADDRESS_LIST_REGISTRY = IAddressListRegistry(_addressListRegistryAddress);
        ALLOWED_EXCHANGES_LIST_ID = _allowedExchangesListId;
        WRAPPED_NATIVE_ASSET = _wrappedNativeAsset;
    }

    /// @dev Needed in case WETH not fully used during exchangeAndBuyShares,
    /// to unwrap into ETH and refund
    receive() external payable {}

    // EXTERNAL FUNCTIONS

    /// @notice Exchanges an ERC20 into a fund's denomination asset and then buys shares
    /// @param _comptrollerProxy The ComptrollerProxy of the fund
    /// @param _minSharesQuantity The minimum quantity of shares to receive
    /// @param _inputAsset Asset to swap for the fund's denomination asset
    /// @param _maxInputAssetAmount The maximum amount of _inputAsset to use in the swap
    /// @param _exchange The exchange on which to swap ERC20 to denomination asset
    /// @param _exchangeApproveTarget The _exchange address that should be granted an ERC20 allowance
    /// @param _exchangeData The data with which to call the _exchange to execute the swap
    /// @param _exchangeMinReceived The minimum amount of the denomination asset to receive from the _exchange
    /// @return sharesReceived_ The actual amount of shares received
    /// @dev Use a reasonable _exchangeMinReceived always, in case the exchange
    /// does not perform as expected (low incoming asset amount, blend of assets, etc).
    function exchangeErc20AndBuyShares(
        IComptroller _comptrollerProxy,
        uint256 _minSharesQuantity,
        ERC20 _inputAsset,
        uint256 _maxInputAssetAmount,
        address _exchange,
        address _exchangeApproveTarget,
        bytes calldata _exchangeData,
        uint256 _exchangeMinReceived
    ) external returns (uint256 sharesReceived_) {
        // Receive the _maxInputAssetAmount from the caller
        _inputAsset.safeTransferFrom(msg.sender, address(this), _maxInputAssetAmount);

        // Swap to the denominationAsset and buy fund shares
        sharesReceived_ = __exchangeAndBuyShares({
            _comptrollerProxy: _comptrollerProxy,
            _minSharesQuantity: _minSharesQuantity,
            _exchange: _exchange,
            _exchangeApproveTarget: _exchangeApproveTarget,
            _exchangeData: _exchangeData,
            _exchangeMinReceived: _exchangeMinReceived,
            _inputAsset: _inputAsset,
            _maxInputAssetAmount: _maxInputAssetAmount
        });

        // Refund any remaining _inputAsset not used in the exchange
        uint256 remainingInputAsset = _inputAsset.balanceOf(address(this));
        if (remainingInputAsset > 0) {
            _inputAsset.safeTransfer(msg.sender, remainingInputAsset);
        }

        return sharesReceived_;
    }

    /// @notice Exchanges ETH into a fund's denomination asset and then buys shares
    /// @param _comptrollerProxy The ComptrollerProxy of the fund
    /// @param _minSharesQuantity The minimum quantity of shares to buy with the sent ETH
    /// @param _exchange The exchange on which to execute the swap to the denomination asset
    /// @param _exchangeApproveTarget The address that should be given an allowance of WETH
    /// for the given _exchange
    /// @param _exchangeData The data with which to call the exchange to execute the swap
    /// to the denomination asset
    /// @param _exchangeMinReceived The minimum amount of the denomination asset
    /// to receive in the trade for investment (not necessary for WETH)
    /// @return sharesReceived_ The actual amount of shares received
    /// @dev Use a reasonable _exchangeMinReceived always, in case the exchange
    /// does not perform as expected (low incoming asset amount, blend of assets, etc).
    /// If the fund's denomination asset is WETH, _exchange, _exchangeApproveTarget, _exchangeData,
    /// and _exchangeMinReceived will be ignored.
    function exchangeEthAndBuyShares(
        IComptroller _comptrollerProxy,
        uint256 _minSharesQuantity,
        address _exchange,
        address _exchangeApproveTarget,
        bytes calldata _exchangeData,
        uint256 _exchangeMinReceived
    ) external payable returns (uint256 sharesReceived_) {
        ERC20 inputAsset = ERC20(address(WRAPPED_NATIVE_ASSET));
        uint256 maxInputAssetAmount = msg.value;

        // Wrap ETH into WETH
        WRAPPED_NATIVE_ASSET.deposit{value: maxInputAssetAmount}();

        // Empty `_exchange` signals no swap is necessary, i.e., denominationAsset is the native asset
        if (_exchange == address(0)) {
            return __buyShares({
                _comptrollerProxy: _comptrollerProxy,
                _buyer: msg.sender,
                _investmentAmount: maxInputAssetAmount,
                _minSharesQuantity: _minSharesQuantity,
                _denominationAssetAddress: address(inputAsset)
            });
        }

        // Swap to the denominationAsset and buy fund shares
        sharesReceived_ = __exchangeAndBuyShares({
            _comptrollerProxy: _comptrollerProxy,
            _minSharesQuantity: _minSharesQuantity,
            _exchange: _exchange,
            _exchangeApproveTarget: _exchangeApproveTarget,
            _exchangeData: _exchangeData,
            _exchangeMinReceived: _exchangeMinReceived,
            _inputAsset: inputAsset,
            _maxInputAssetAmount: maxInputAssetAmount
        });

        // Unwrap and refund any remaining WETH not used in the exchange
        uint256 remainingWeth = inputAsset.balanceOf(address(this));
        if (remainingWeth > 0) {
            WRAPPED_NATIVE_ASSET.withdraw(remainingWeth);
            Address.sendValue({recipient: payable(msg.sender), amount: remainingWeth});
        }

        return sharesReceived_;
    }

    // PRIVATE FUNCTIONS

    /// @dev Helper for buying shares
    function __buyShares(
        IComptroller _comptrollerProxy,
        address _buyer,
        uint256 _investmentAmount,
        uint256 _minSharesQuantity,
        address _denominationAssetAddress
    ) private returns (uint256 sharesReceived_) {
        // Give the ComptrollerProxy max allowance for its denomination asset as necessary
        __approveAssetMaxAsNeeded({
            _asset: _denominationAssetAddress,
            _target: address(_comptrollerProxy),
            _neededAmount: _investmentAmount
        });

        return _comptrollerProxy.buySharesOnBehalf({
            _buyer: _buyer,
            _investmentAmount: _investmentAmount,
            _minSharesQuantity: _minSharesQuantity
        });
    }

    /// @dev Helper to exchange an asset for the fund's denomination asset and then buy shares
    function __exchangeAndBuyShares(
        IComptroller _comptrollerProxy,
        uint256 _minSharesQuantity,
        address _exchange,
        address _exchangeApproveTarget,
        bytes calldata _exchangeData,
        uint256 _exchangeMinReceived,
        ERC20 _inputAsset,
        uint256 _maxInputAssetAmount
    ) private returns (uint256 sharesReceived_) {
        require(
            ADDRESS_LIST_REGISTRY.isInList({_id: ALLOWED_EXCHANGES_LIST_ID, _item: _exchange}),
            "__exchangeAndBuyShares: Unallowed _exchange"
        );

        // Exchange the _inputAsset to the fund's denomination asset
        __approveAssetMaxAsNeeded({
            _asset: address(_inputAsset),
            _target: _exchangeApproveTarget,
            _neededAmount: _maxInputAssetAmount
        });
        Address.functionCall({target: _exchange, data: _exchangeData});

        // Confirm the min amount of denomination asset was received in the exchange
        ERC20 denominationAsset = ERC20(_comptrollerProxy.getDenominationAsset());
        uint256 investmentAmount = denominationAsset.balanceOf(address(this));
        require(investmentAmount >= _exchangeMinReceived, "__exchangeAndBuyShares: _exchangeMinReceived not met");

        // Buy fund shares
        return __buyShares({
            _comptrollerProxy: _comptrollerProxy,
            _buyer: msg.sender,
            _investmentAmount: investmentAmount,
            _minSharesQuantity: _minSharesQuantity,
            _denominationAssetAddress: address(denominationAsset)
        });
    }
}

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

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

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

/// @title IWETH Interface
/// @author Enzyme Council <[email protected]>
interface IWETH {
    function deposit() external payable;

    function withdraw(uint256) external;
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;
pragma experimental ABIEncoderV2;

/// @title IAddressListRegistry Interface
/// @author Enzyme Council <[email protected]>
interface IAddressListRegistry {
    enum UpdateType {
        None,
        AddOnly,
        RemoveOnly,
        AddAndRemove
    }

    /////////////////////
    // LIST MANAGEMENT //
    /////////////////////

    function addToList(uint256 _id, address[] calldata _items) external;

    function attestLists(uint256[] calldata _ids, string[] calldata _descriptions) external;

    function createList(address _owner, UpdateType _updateType, address[] calldata _initialItems)
        external
        returns (uint256 id_);

    function removeFromList(uint256 _id, address[] calldata _items) external;

    function setListOwner(uint256 _id, address _nextOwner) external;

    function setListUpdateType(uint256 _id, UpdateType _nextUpdateType) external;

    /////////////////
    // LIST SEARCH //
    /////////////////

    function areAllInAllLists(uint256[] memory _ids, address[] memory _items)
        external
        view
        returns (bool areAllInAllLists_);

    function areAllInList(uint256 _id, address[] memory _items) external view returns (bool areAllInList_);

    function areAllInSomeOfLists(uint256[] memory _ids, address[] memory _items)
        external
        view
        returns (bool areAllInSomeOfLists_);

    function areAllNotInAnyOfLists(uint256[] memory _ids, address[] memory _items)
        external
        view
        returns (bool areAllNotInAnyOfLists_);

    function areAllNotInList(uint256 _id, address[] memory _items) external view returns (bool areAllNotInList_);

    function isInAllLists(uint256[] memory _ids, address _item) external view returns (bool isInAllLists_);

    function isInList(uint256 _id, address _item) external view returns (bool isInList_);

    function isInSomeOfLists(uint256[] memory _ids, address _item) external view returns (bool isInSomeOfLists_);

    ///////////////////
    // STATE GETTERS //
    ///////////////////

    function getListCount() external view returns (uint256 count_);

    function getListOwner(uint256 _id) external view returns (address owner_);

    function getListUpdateType(uint256 _id) external view returns (UpdateType updateType_);
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity 0.8.19;

import {ERC20} from "openzeppelin-solc-0.8/token/ERC20/ERC20.sol";
import {SafeERC20} from "openzeppelin-solc-0.8/token/ERC20/utils/SafeERC20.sol";

/// @title AssetHelpers Contract
/// @author Enzyme Council <[email protected]>
/// @notice A util contract for common token actions
abstract contract AssetHelpers {
    using SafeERC20 for ERC20;

    /// @dev Helper to aggregate amounts of the same assets
    function __aggregateAssetAmounts(address[] memory _rawAssets, uint256[] memory _rawAmounts)
        internal
        pure
        returns (address[] memory aggregatedAssets_, uint256[] memory aggregatedAmounts_)
    {
        if (_rawAssets.length == 0) {
            return (aggregatedAssets_, aggregatedAmounts_);
        }

        uint256 aggregatedAssetCount = 1;
        for (uint256 i = 1; i < _rawAssets.length; i++) {
            bool contains;
            for (uint256 j; j < i; j++) {
                if (_rawAssets[i] == _rawAssets[j]) {
                    contains = true;
                    break;
                }
            }
            if (!contains) {
                aggregatedAssetCount++;
            }
        }

        aggregatedAssets_ = new address[](aggregatedAssetCount);
        aggregatedAmounts_ = new uint256[](aggregatedAssetCount);
        uint256 aggregatedAssetIndex;
        for (uint256 i; i < _rawAssets.length; i++) {
            bool contains;
            for (uint256 j; j < aggregatedAssetIndex; j++) {
                if (_rawAssets[i] == aggregatedAssets_[j]) {
                    contains = true;

                    aggregatedAmounts_[j] += _rawAmounts[i];

                    break;
                }
            }
            if (!contains) {
                aggregatedAssets_[aggregatedAssetIndex] = _rawAssets[i];
                aggregatedAmounts_[aggregatedAssetIndex] = _rawAmounts[i];
                aggregatedAssetIndex++;
            }
        }

        return (aggregatedAssets_, aggregatedAmounts_);
    }

    /// @dev Helper to approve a target account with the max amount of an asset.
    /// This is helpful for fully trusted contracts, such as adapters that
    /// interact with external protocol like Uniswap, Compound, etc.
    function __approveAssetMaxAsNeeded(address _asset, address _target, uint256 _neededAmount) internal {
        uint256 allowance = ERC20(_asset).allowance(address(this), _target);
        if (allowance < _neededAmount) {
            if (allowance > 0) {
                ERC20(_asset).safeApprove(_target, 0);
            }
            ERC20(_asset).safeApprove(_target, type(uint256).max);
        }
    }

    /// @dev Helper to transfer full asset balance from the current contract to a target
    function __pushFullAssetBalance(address _target, address _asset) internal returns (uint256 amountTransferred_) {
        amountTransferred_ = ERC20(_asset).balanceOf(address(this));
        if (amountTransferred_ > 0) {
            ERC20(_asset).safeTransfer(_target, amountTransferred_);
        }

        return amountTransferred_;
    }

    /// @dev Helper to transfer full asset balances from the current contract to a target
    function __pushFullAssetBalances(address _target, address[] memory _assets)
        internal
        returns (uint256[] memory amountsTransferred_)
    {
        amountsTransferred_ = new uint256[](_assets.length);
        for (uint256 i; i < _assets.length; i++) {
            ERC20 assetContract = ERC20(_assets[i]);
            amountsTransferred_[i] = assetContract.balanceOf(address(this));
            if (amountsTransferred_[i] > 0) {
                assetContract.safeTransfer(_target, amountsTransferred_[i]);
            }
        }

        return amountsTransferred_;
    }
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

import {IVault} from "../vault/IVault.sol";

/// @title IComptroller Interface
/// @author Enzyme Council <[email protected]>
interface IComptroller {
    function activate(bool _isMigration) external;

    function buyBackProtocolFeeShares(uint256 _sharesAmount) external;

    function buyShares(uint256 _investmentAmount, uint256 _minSharesQuantity)
        external
        returns (uint256 sharesReceived_);

    function buySharesOnBehalf(address _buyer, uint256 _investmentAmount, uint256 _minSharesQuantity)
        external
        returns (uint256 sharesReceived_);

    function calcGav() external returns (uint256 gav_);

    function calcGrossShareValue() external returns (uint256 grossShareValue_);

    function callOnExtension(address _extension, uint256 _actionId, bytes calldata _callArgs) external;

    function deployGasRelayPaymaster() external;

    function depositToGasRelayPaymaster() external;

    function destructActivated(uint256 _deactivateFeeManagerGasLimit, uint256 _payProtocolFeeGasLimit) external;

    function destructUnactivated() external;

    function doesAutoProtocolFeeSharesBuyback() external view returns (bool doesAutoBuyback_);

    function getDenominationAsset() external view returns (address denominationAsset_);

    function getDispatcher() external view returns (address dispatcher_);

    function getExternalPositionManager() external view returns (address externalPositionManager_);

    function getFeeManager() external view returns (address feeManager_);

    function getFundDeployer() external view returns (address fundDeployer_);

    function getGasRelayPaymaster() external view returns (address gasRelayPaymaster_);

    function getIntegrationManager() external view returns (address integrationManager_);

    function getLastSharesBoughtTimestampForAccount(address _who)
        external
        view
        returns (uint256 lastSharesBoughtTimestamp_);

    function getMlnToken() external view returns (address mlnToken_);

    function getPolicyManager() external view returns (address policyManager_);

    function getProtocolFeeReserve() external view returns (address protocolFeeReserve_);

    function getSharesActionTimelock() external view returns (uint256 sharesActionTimelock_);

    function getValueInterpreter() external view returns (address valueInterpreter_);

    function getVaultProxy() external view returns (address vaultProxy_);

    function getWethToken() external view returns (address wethToken_);

    function init(address _denominationAsset, uint256 _sharesActionTimelock) external;

    function permissionedVaultAction(IVault.VaultAction _action, bytes calldata _actionData) external;

    function preTransferSharesHook(address _sender, address _recipient, uint256 _amount) external;

    function preTransferSharesHookFreelyTransferable(address _sender) external view;

    function redeemSharesForSpecificAssets(
        address _recipient,
        uint256 _sharesQuantity,
        address[] calldata _payoutAssets,
        uint256[] calldata _payoutAssetPercentages
    ) external returns (uint256[] memory payoutAmounts_);

    function redeemSharesInKind(
        address _recipient,
        uint256 _sharesQuantity,
        address[] calldata _additionalAssets,
        address[] calldata _assetsToSkip
    ) external returns (address[] memory payoutAssets_, uint256[] memory payoutAmounts_);

    function setAutoProtocolFeeSharesBuyback(bool _nextAutoProtocolFeeSharesBuyback) external;

    function setGasRelayPaymaster(address _nextGasRelayPaymaster) external;

    function setVaultProxy(address _vaultProxy) external;

    function shutdownGasRelayPaymaster() external;

    function vaultCallOnContract(address _contract, bytes4 _selector, bytes calldata _encodedArgs)
        external
        returns (bytes memory returnData_);
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

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

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

import {IExternalPositionVault} from "../../../../persistent/vault/interfaces/IExternalPositionVault.sol";
import {IFreelyTransferableSharesVault} from
    "../../../../persistent/vault/interfaces/IFreelyTransferableSharesVault.sol";
import {IMigratableVault} from "../../../../persistent/vault/interfaces/IMigratableVault.sol";
import {IVaultCore} from "../../../../persistent/vault/interfaces/IVaultCore.sol";

/// @title IVault Interface
/// @author Enzyme Council <[email protected]>
interface IVault is IVaultCore, IMigratableVault, IFreelyTransferableSharesVault, IExternalPositionVault {
    enum VaultAction {
        None,
        // Shares management
        BurnShares,
        MintShares,
        TransferShares,
        // Asset management
        AddTrackedAsset,
        ApproveAssetSpender,
        RemoveTrackedAsset,
        WithdrawAssetTo,
        // External position management
        AddExternalPosition,
        CallOnExternalPosition,
        RemoveExternalPosition
    }

    function addAssetManagers(address[] calldata _managers) external;

    function addTrackedAsset(address _asset) external;

    function burnShares(address _target, uint256 _amount) external;

    function buyBackProtocolFeeShares(uint256 _sharesAmount, uint256 _mlnValue, uint256 _gav) external;

    function callOnContract(address _contract, bytes calldata _callData) external returns (bytes memory returnData_);

    function canManageAssets(address _who) external view returns (bool canManageAssets_);

    function canRelayCalls(address _who) external view returns (bool canRelayCalls_);

    function claimOwnership() external;

    function getActiveExternalPositions() external view returns (address[] memory activeExternalPositions_);

    function getExternalPositionManager() external view returns (address externalPositionManager_);

    function getFundDeployer() external view returns (address fundDeployer_);

    function getMlnBurner() external view returns (address mlnBurner_);

    function getMlnToken() external view returns (address mlnToken_);

    function getNominatedOwner() external view returns (address nominatedOwner_);

    function getPositionsLimit() external view returns (uint256 positionsLimit_);

    function getProtocolFeeReserve() external view returns (address protocolFeeReserve_);

    function getProtocolFeeTracker() external view returns (address protocolFeeTracker_);

    function getTrackedAssets() external view returns (address[] memory trackedAssets_);

    function isActiveExternalPosition(address _externalPosition)
        external
        view
        returns (bool isActiveExternalPosition_);

    function isAssetManager(address _who) external view returns (bool isAssetManager_);

    function isTrackedAsset(address _asset) external view returns (bool isTrackedAsset_);

    function mintShares(address _target, uint256 _amount) external;

    function payProtocolFee() external;

    function receiveValidatedVaultAction(VaultAction _action, bytes calldata _actionData) external;

    function removeAssetManagers(address[] calldata _managers) external;

    function removeNominatedOwner() external;

    function setAccessorForFundReconfiguration(address _nextAccessor) external;

    function setFreelyTransferableShares() external;

    function setMigrator(address _nextMigrator) external;

    function setName(string calldata _nextName) external;

    function setNominatedOwner(address _nextNominatedOwner) external;

    function setSymbol(string calldata _nextSymbol) external;

    function transferShares(address _from, address _to, uint256 _amount) external;

    function withdrawAssetTo(address _asset, address _target, uint256 _amount) external;
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

/// @title IExternalPositionVault interface
/// @author Enzyme Council <[email protected]>
/// Provides an interface to get the externalPositionLib for a given type from the Vault
interface IExternalPositionVault {
    function getExternalPositionLibForType(uint256) external view returns (address);
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

/// @title IFreelyTransferableSharesVault Interface
/// @author Enzyme Council <[email protected]>
/// @notice Provides the interface for determining whether a vault's shares
/// are guaranteed to be freely transferable.
/// @dev DO NOT EDIT CONTRACT
interface IFreelyTransferableSharesVault {
    function sharesAreFreelyTransferable() external view returns (bool sharesAreFreelyTransferable_);
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

/// @title IMigratableVault Interface
/// @author Enzyme Council <[email protected]>
/// @dev DO NOT EDIT CONTRACT
interface IMigratableVault {
    function canMigrate(address _who) external view returns (bool canMigrate_);

    function init(address _owner, address _accessor, string calldata _fundName) external;

    function setAccessor(address _nextAccessor) external;

    function setVaultLib(address _nextVaultLib) external;
}

// SPDX-License-Identifier: GPL-3.0

/*
    This file is part of the Enzyme Protocol.

    (c) Enzyme Council <[email protected]>

    For the full license information, please view the LICENSE
    file that was distributed with this source code.
*/

pragma solidity >=0.6.0 <0.9.0;

/// @title IVaultCore interface
/// @author Enzyme Council <[email protected]>
/// @notice Interface for getters of core vault storage
/// @dev DO NOT EDIT CONTRACT
interface IVaultCore {
    function getAccessor() external view returns (address accessor_);

    function getCreator() external view returns (address creator_);

    function getMigrator() external view returns (address migrator_);

    function getOwner() external view returns (address owner_);
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-solc-0.6/contracts/",
    "@uniswap/v3-core/=lib/uniswap-v3-core/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-solc-0.6/=lib/openzeppelin-solc-0.6/contracts/",
    "openzeppelin-solc-0.7/=lib/openzeppelin-solc-0.7/contracts/",
    "openzeppelin-solc-0.8/=lib/openzeppelin-solc-0.8/contracts/",
    "uniswap-v3-core/=lib/uniswap-v3-core/",
    "uniswap-v3-core-0.8/=lib/uniswap-v3-core-0.8/",
    "uniswap-v3-periphery/=lib/uniswap-v3-periphery/contracts/",
    "uniswap-v3-periphery-0.8/=lib/uniswap-v3-periphery-0.8/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200,
    "details": {
      "yul": false
    }
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "none",
    "appendCBOR": false
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_addressListRegistryAddress","type":"address"},{"internalType":"uint256","name":"_allowedExchangesListId","type":"uint256"},{"internalType":"contract IWETH","name":"_wrappedNativeAsset","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"contract IComptroller","name":"_comptrollerProxy","type":"address"},{"internalType":"uint256","name":"_minSharesQuantity","type":"uint256"},{"internalType":"contract ERC20","name":"_inputAsset","type":"address"},{"internalType":"uint256","name":"_maxInputAssetAmount","type":"uint256"},{"internalType":"address","name":"_exchange","type":"address"},{"internalType":"address","name":"_exchangeApproveTarget","type":"address"},{"internalType":"bytes","name":"_exchangeData","type":"bytes"},{"internalType":"uint256","name":"_exchangeMinReceived","type":"uint256"}],"name":"exchangeErc20AndBuyShares","outputs":[{"internalType":"uint256","name":"sharesReceived_","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IComptroller","name":"_comptrollerProxy","type":"address"},{"internalType":"uint256","name":"_minSharesQuantity","type":"uint256"},{"internalType":"address","name":"_exchange","type":"address"},{"internalType":"address","name":"_exchangeApproveTarget","type":"address"},{"internalType":"bytes","name":"_exchangeData","type":"bytes"},{"internalType":"uint256","name":"_exchangeMinReceived","type":"uint256"}],"name":"exchangeEthAndBuyShares","outputs":[{"internalType":"uint256","name":"sharesReceived_","type":"uint256"}],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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0000000000000000000000004eb4c7babfb5d54ab4857265b482fb6512d22dff0000000000000000000000000000000000000000000000000000000000000229000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

-----Decoded View---------------
Arg [0] : _addressListRegistryAddress (address): 0x4eb4c7Babfb5d54ab4857265B482Fb6512d22DFF
Arg [1] : _allowedExchangesListId (uint256): 553
Arg [2] : _wrappedNativeAsset (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000004eb4c7babfb5d54ab4857265b482fb6512d22dff
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000229
Arg [2] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2