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

import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";

import "./interfaces/IBuyout.sol";

/// Buyout is a shotgun clause / buy-sell agreement to allow holders to acquire
/// all other outstanding tokens.
///
/// @dev totalSupply() is currently frozen at start of offer
contract Buyout is IBuyout, Initializable {
    using SafeERC20Upgradeable for IERC20Upgradeable;

    event CounterOffer(address indexed wallet, uint256 amount);
    event Surrender(uint256 tokens, uint256 funds);

    address public override offerer; // Wallet proposing to buy out
    bool internal _offererRefundedAndPaid; // After failure, offerer refunded and paid from counter offer?

    IERC20Upgradeable public listingToken; // ERC20 token representing NFT
    IERC20Upgradeable public fundingToken; // ERC20 token used for funding

    uint256 internal _offerListingAmount; // Offerer's listing tokens
    uint256 internal _offerFundingAmount; // Funding offer for outstanding tokens
    uint256 internal _outstandingTokens; // Outstanding tokens (supply - offerer's)

    uint256 public end; // Expiry date of buyout offer
    uint256 public counterOfferTarget; // Counter offer target (funding tokens)
    uint256 public counterOfferAmount; // Current counter offers (funding tokens)

    uint256 public constant MIN_TOKEN_BASIS_POINTS = 3000; // Min listing amount to be 30% of total supply
    uint256 public constant MIN_FUNDING_OFFER = 100; // Minimum funding amount
    uint256 public constant BUYOUT_OFFER_DURATION = 14 days; // Buyout offer lifespan days

    mapping(address => uint256) internal _counterOffers; // Per-wallet offer amount

    modifier onlyStatus(Status s) {
        require(status() == s, "BAD_STATUS");
        _;
    }

    modifier onlyOfferer() {
        require(msg.sender == offerer, "OFFERER_ONLY");
        _;
    }

    function initialize(
        IERC20Upgradeable _listingToken,
        IERC20Upgradeable _fundingToken
    ) public initializer {
        listingToken = _listingToken;
        fundingToken = _fundingToken;
    }

    function status() public view override returns (Status s) {
        if (offerer == address(0)) {
            s = Status.NEW;
        } else if (counterOfferAmount >= counterOfferTarget) {
            s = Status.COUNTERED;
        } else if (block.timestamp < end) {
            s = Status.OPEN;
        } else {
            s = Status.SUCCESS;
        }
    }

    function offer(uint256 listingAmount, uint256 fundingAmount)
        public
        onlyStatus(Status.NEW)
    {
        uint256 listingSupply = listingToken.totalSupply();
        offerer = msg.sender;

        uint256 minTokenOfferLimit = (MIN_TOKEN_BASIS_POINTS * listingSupply) /
            10000;

        require(listingAmount >= minTokenOfferLimit, "TOKEN_OFFER_LOW");
        require(fundingAmount > MIN_FUNDING_OFFER, "FUNDING_OFFER_LOW");

        _offerListingAmount = listingAmount;
        _offerFundingAmount = fundingAmount;

        // tokens offerer is proposing to buy with _offerFundingAmount
        _outstandingTokens = listingSupply - _offerListingAmount;

        // counter offers must hit this target
        counterOfferTarget =
            (_offerFundingAmount * _offerListingAmount) /
            _outstandingTokens;

        end = block.timestamp + BUYOUT_OFFER_DURATION;

        listingToken.safeTransferFrom(msg.sender, address(this), listingAmount);
        fundingToken.safeTransferFrom(msg.sender, address(this), fundingAmount);
    }

    // Make a counter offer, capped at remaining target.
    function counterOffer(uint256 amount) public onlyStatus(Status.OPEN) {
        require(amount > 0, "COUNTEROFFER_TOO_LOW");

        uint256 remaining = counterOfferTarget - counterOfferAmount;

        if (amount > remaining) {
            amount = remaining;
        }

        counterOfferAmount += amount;
        _counterOffers[msg.sender] += amount;

        fundingToken.safeTransferFrom(msg.sender, address(this), amount);

        emit CounterOffer(msg.sender, amount);
    }

    // Withdraw listing tokens from failed buyout, based on pro-rata
    // counter offer amount
    function withdrawTokens() public onlyStatus(Status.COUNTERED) {
        require(
            _counterOffers[msg.sender] > 0,
            "NOT_COUNTEROFFERER_OR_WITHDRAWN"
        );

        uint256 amount = (_counterOffers[msg.sender] * _offerListingAmount) /
            counterOfferAmount;
        _counterOffers[msg.sender] = 0;

        // send listing tokens to counter offerer
        listingToken.safeTransfer(msg.sender, amount);
    }

    // Withdraw funding tokens from failed buyout
    function withdrawFunds() public onlyStatus(Status.COUNTERED) onlyOfferer {
        require(_offererRefundedAndPaid == false, "ALREADY_WITHDRAWN");

        _offererRefundedAndPaid = true;
        uint256 amount = _offerFundingAmount + counterOfferAmount;

        // return funds to offerer
        fundingToken.safeTransfer(offerer, amount);
    }

    // Withdraw counter offer funds if buyout succeeds and counter offers are
    // insufficient
    function withdrawCounterOffer() public onlyStatus(Status.SUCCESS) {
        require(
            _counterOffers[msg.sender] > 0,
            "NOT_COUNTEROFFERER_OR_REFUNDED"
        );

        uint256 amount = _counterOffers[msg.sender];
        _counterOffers[msg.sender] = 0;

        // return funds to counter offerer
        fundingToken.safeTransfer(msg.sender, amount);
    }

    // Swap listing tokens for buyout offer
    function surrenderTokens(uint256 amount) public onlyStatus(Status.SUCCESS) {
        require(amount > 0, "TOKENS_LOW");

        uint256 funds = (amount * _offerFundingAmount) / _outstandingTokens;

        // take `amount` listing tokens and return `funds` funding tokens
        listingToken.safeTransferFrom(msg.sender, address(this), amount);
        fundingToken.safeTransfer(msg.sender, funds);

        emit Surrender(amount, funds);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        require(_initializing || !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";
import "../../../utils/AddressUpgradeable.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 SafeERC20Upgradeable {
    using AddressUpgradeable for address;

    function safeTransfer(
        IERC20Upgradeable token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20Upgradeable 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(
        IERC20Upgradeable 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(
        IERC20Upgradeable 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(
        IERC20Upgradeable 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));
        }
    }

    /**
     * @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(IERC20Upgradeable token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

interface IBuyout {
    enum Status {
        NEW, // Buyout not offered yet
        OPEN, // Buyout offer is currently open
        COUNTERED, // Fails, counter-offerers can claim listing tokens
        SUCCESS // Success, listing token holders can surrender tokens in exchange for funding token
    }

    function status() external view returns (IBuyout.Status s);

    function offerer() external returns (address);
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 3
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"wallet","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"CounterOffer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"funds","type":"uint256"}],"name":"Surrender","type":"event"},{"inputs":[],"name":"BUYOUT_OFFER_DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_FUNDING_OFFER","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_TOKEN_BASIS_POINTS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"counterOffer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"counterOfferAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"counterOfferTarget","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"end","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fundingToken","outputs":[{"internalType":"contract IERC20Upgradeable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Upgradeable","name":"_listingToken","type":"address"},{"internalType":"contract IERC20Upgradeable","name":"_fundingToken","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"listingToken","outputs":[{"internalType":"contract IERC20Upgradeable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"listingAmount","type":"uint256"},{"internalType":"uint256","name":"fundingAmount","type":"uint256"}],"name":"offer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"offerer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"status","outputs":[{"internalType":"enum IBuyout.Status","name":"s","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"surrenderTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawCounterOffer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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