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// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {NounletMinter as Minter, Permission} from "./NounletMinter.sol";
import {NFTReceiver as Receiver} from "../utils/NFTReceiver.sol";
import {ReentrancyGuard} from "@rari-capital/solmate/src/utils/ReentrancyGuard.sol";
import {SafeCastLib} from "@rari-capital/solmate/src/utils/SafeCastLib.sol";
import {Owned} from "@rari-capital/solmate/src/auth/Owned.sol";
import {SafeSend} from "../utils/SafeSend.sol";

import {INounletAuction as IAuction, Auction, Vault} from "../interfaces/INounletAuction.sol";
import {INounletRegistry as IRegistry} from "../interfaces/INounletRegistry.sol";
import {INounletToken as INounlet} from "../interfaces/INounletToken.sol";

/// @title NounletAuction
/// @author Tessera
/// @notice Module contract for holding auctions of newly minted fractions
contract NounletAuction is IAuction, Minter, Receiver, ReentrancyGuard, SafeSend, Owned {
    /// @dev Using safe casting library for uint256 types
    using SafeCastLib for uint256;
    /// @notice Address of NounletRegistry contract
    address public immutable registry;
    /// @notice Duration time of each auction
    uint48 public duration = 25 minutes;
    /// @notice Percentage of minimum bid increase
    uint48 public constant MIN_INCREASE = 5;
    /// @notice Duration time extension for bids placed in final 10 minutes
    uint48 public constant TIME_BUFFER = 5 minutes;
    /// @notice Total supply of Nounlet tokens for each Noun
    uint48 public constant TOTAL_SUPPLY = 100;
    /// @notice Mapping of Vault address to struct of vault curator and current token ID
    mapping(address => Vault) public vaultInfo;
    /// @notice Mapping of Vault address to id to auction struct with bidder, bid amount, and endtime
    mapping(address => mapping(uint256 => Auction)) public auctionInfo;

    /// @dev Initializes NounletRegistry and NounletSupply contracts
    constructor(address _registry, address _supply) Minter(_supply) Owned(msg.sender) {
        registry = _registry;
    }

    function updateDuration(uint48 _duration) external onlyOwner {
        duration = _duration;
    }

    /// @notice Creates a new auction for the first Nounlet of each Noun
    /// @param _vault Address of the vault
    /// @param _curator Address of the Noun owner
    /// @param _mintProof Merkle proof for minting new Nounlets
    function createAuction(
        address _vault,
        address _curator,
        bytes32[] calldata _mintProof
    ) external {
        // Reverts if first token has already been minted
        if (vaultInfo[_vault].currentId != 0) revert AuctionAlreadyCreated();

        // Sets the vault info and mints the first Nounlet
        vaultInfo[_vault] = Vault(_curator, 1);
        _create(_vault, 1, _mintProof);
    }

    /// @notice Settles the current auction and mints the next Nounlet
    /// @param _vault Address of the vault
    /// @param _mintProof Merkle proof for minting new Nounlets
    function settleAuction(address _vault, bytes32[] calldata _mintProof) external nonReentrant {
        // Settles the current auction and increments current ID in memory
        uint256 id = uint256(vaultInfo[_vault].currentId);
        _settle(_vault, id);
        // Mints the next Nounlet if total supply is greater than or equal to current ID
        if (uint256(TOTAL_SUPPLY) >= ++id) _create(_vault, id, _mintProof);
    }

    /// @notice Creates a new bid on the current auction of a given vault
    /// @param _vault Address of the vault
    function bid(address _vault) external payable nonReentrant {
        // Gets the current ID and declares auction info in storage
        uint256 id = uint256(vaultInfo[_vault].currentId);
        Auction storage auction = auctionInfo[_vault][id];
        // Reverts if end time of auction is less than current time
        uint256 endTime = uint256(auction.endTime);
        if (endTime < block.timestamp) revert AuctionExpired();
        // Reverts if current bid is not at least 5% greater than the previous bid
        uint256 ethAmount = auction.amount;
        if (msg.value < ethAmount + ((ethAmount * MIN_INCREASE) / 100)) revert InvalidBidIncrease();

        // Updates auction end time if less than current time plus time buffer of 10 minutes
        address token = IRegistry(registry).vaultToToken(_vault);
        uint256 extendedTime = block.timestamp + TIME_BUFFER;
        if (endTime < extendedTime) auction.endTime = extendedTime.safeCastTo32();

        // Sets bidder and bid amount to auction info in storage
        _sendEthOrWeth(auction.bidder, ethAmount);
        auction.bidder = msg.sender;
        auction.amount = msg.value.safeCastTo64();

        // Emits bid event and transfers bid amount to this contract
        emit Bid(_vault, token, id, msg.sender, msg.value, auction.endTime);
    }

    /// @dev Creates a new auction and initializes auction info
    /// @param _vault Address of the vault
    /// @param _id ID of the token
    /// @param _mintProof Merkle proof for minting new Nounlets
    function _create(
        address _vault,
        uint256 _id,
        bytes32[] calldata _mintProof
    ) internal {
        // Mints a new fraction through NounletMinter module
        _mintFraction(_vault, address(this), _id, _mintProof);

        // Initializes end time and sets first bidder as vault curator
        address token = IRegistry(registry).vaultToToken(_vault);
        uint256 endTime = block.timestamp + duration;
        auctionInfo[_vault][_id].endTime = endTime.safeCastTo32();
        auctionInfo[_vault][_id].bidder = vaultInfo[_vault].curator;

        // Emits event for creating new auction
        emit Created(_vault, token, _id, endTime);
    }

    /// @dev Settles a finished auction
    /// @param _vault Address of the vault
    /// @param _id ID of the token
    function _settle(address _vault, uint256 _id) internal {
        // Reverts if auction end time is greater than current time
        Auction memory auction = auctionInfo[_vault][_id];
        if (uint256(auction.endTime) > block.timestamp) revert AuctionNotCompleted();
        if (uint256(TOTAL_SUPPLY) < _id) revert AuctionExpired();

        // Gets royalty info based on final bid amount
        uint64 bidAmount = auction.amount;
        address token = IRegistry(registry).vaultToToken(_vault);
        (address beneficiary, ) = INounlet(token).royaltyInfo(_id, bidAmount);
        uint256 royaltyAmount = bidAmount / 20;
        //Transfers nounlet to winner
        INounlet(token).transferFrom(address(this), auction.bidder, _id, 1, "");

        // Increments current ID in storage
        ++vaultInfo[_vault].currentId;

        // Transfers bid amount to curator and royalties to creator
        _sendEthOrWeth(vaultInfo[_vault].curator, bidAmount - royaltyAmount);
        _sendEthOrWeth(beneficiary, royaltyAmount);

        // Emits event for settling current auction
        emit Settled(_vault, token, _id, auction.bidder, bidAmount);
    }
}

// SPDX-License-Identifier: GPL-3.0

/// @title Interface for SVGRenderer

/*********************************
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░█████████░░█████████░░░ *
 * ░░░░░░██░░░████░░██░░░████░░░ *
 * ░░██████░░░████████░░░████░░░ *
 * ░░██░░██░░░████░░██░░░████░░░ *
 * ░░██░░██░░░████░░██░░░████░░░ *
 * ░░░░░░█████████░░█████████░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 *********************************/

pragma solidity ^0.8.6;

interface ISVGRenderer {
    struct Part {
        bytes image;
        bytes palette;
    }

    struct SVGParams {
        Part[] parts;
        string background;
    }

    function generateSVG(SVGParams memory params) external view returns (string memory svg);

    function generateSVGPart(Part memory part) external view returns (string memory partialSVG);

    function generateSVGParts(Part[] memory parts) external view returns (string memory partialSVG);
}

// 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: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Simple single owner authorization mixin.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Owned.sol)
abstract contract Owned {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event OwnerUpdated(address indexed user, address indexed newOwner);

    /*//////////////////////////////////////////////////////////////
                            OWNERSHIP STORAGE
    //////////////////////////////////////////////////////////////*/

    address public owner;

    modifier onlyOwner() virtual {
        require(msg.sender == owner, "UNAUTHORIZED");

        _;
    }

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(address _owner) {
        owner = _owner;

        emit OwnerUpdated(address(0), _owner);
    }

    /*//////////////////////////////////////////////////////////////
                             OWNERSHIP LOGIC
    //////////////////////////////////////////////////////////////*/

    function setOwner(address newOwner) public virtual onlyOwner {
        owner = newOwner;

        emit OwnerUpdated(msg.sender, newOwner);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Minimalist and gas efficient standard ERC1155 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
abstract contract ERC1155 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event TransferSingle(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256 id,
        uint256 amount
    );

    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] amounts
    );

    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    event URI(string value, uint256 indexed id);

    /*//////////////////////////////////////////////////////////////
                             ERC1155 STORAGE
    //////////////////////////////////////////////////////////////*/

    mapping(address => mapping(uint256 => uint256)) public balanceOf;

    mapping(address => mapping(address => bool)) public isApprovedForAll;

    /*//////////////////////////////////////////////////////////////
                             METADATA LOGIC
    //////////////////////////////////////////////////////////////*/

    function uri(uint256 id) public view virtual returns (string memory);

    /*//////////////////////////////////////////////////////////////
                              ERC1155 LOGIC
    //////////////////////////////////////////////////////////////*/

    function setApprovalForAll(address operator, bool approved) public virtual {
        isApprovedForAll[msg.sender][operator] = approved;

        emit ApprovalForAll(msg.sender, operator, approved);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) public virtual {
        require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");

        balanceOf[from][id] -= amount;
        balanceOf[to][id] += amount;

        emit TransferSingle(msg.sender, from, to, id, amount);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, from, id, amount, data) ==
                    ERC1155TokenReceiver.onERC1155Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) public virtual {
        require(ids.length == amounts.length, "LENGTH_MISMATCH");

        require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");

        // Storing these outside the loop saves ~15 gas per iteration.
        uint256 id;
        uint256 amount;

        for (uint256 i = 0; i < ids.length; ) {
            id = ids[i];
            amount = amounts[i];

            balanceOf[from][id] -= amount;
            balanceOf[to][id] += amount;

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, from, to, ids, amounts);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) ==
                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
        public
        view
        virtual
        returns (uint256[] memory balances)
    {
        require(owners.length == ids.length, "LENGTH_MISMATCH");

        balances = new uint256[](owners.length);

        // Unchecked because the only math done is incrementing
        // the array index counter which cannot possibly overflow.
        unchecked {
            for (uint256 i = 0; i < owners.length; ++i) {
                balances[i] = balanceOf[owners[i]][ids[i]];
            }
        }
    }

    /*//////////////////////////////////////////////////////////////
                              ERC165 LOGIC
    //////////////////////////////////////////////////////////////*/

    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return
            interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
            interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
            interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        balanceOf[to][id] += amount;

        emit TransferSingle(msg.sender, address(0), to, id, amount);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, address(0), id, amount, data) ==
                    ERC1155TokenReceiver.onERC1155Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _batchMint(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        uint256 idsLength = ids.length; // Saves MLOADs.

        require(idsLength == amounts.length, "LENGTH_MISMATCH");

        for (uint256 i = 0; i < idsLength; ) {
            balanceOf[to][ids[i]] += amounts[i];

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, address(0), to, ids, amounts);

        require(
            to.code.length == 0
                ? to != address(0)
                : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, address(0), ids, amounts, data) ==
                    ERC1155TokenReceiver.onERC1155BatchReceived.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _batchBurn(
        address from,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        uint256 idsLength = ids.length; // Saves MLOADs.

        require(idsLength == amounts.length, "LENGTH_MISMATCH");

        for (uint256 i = 0; i < idsLength; ) {
            balanceOf[from][ids[i]] -= amounts[i];

            // An array can't have a total length
            // larger than the max uint256 value.
            unchecked {
                ++i;
            }
        }

        emit TransferBatch(msg.sender, from, address(0), ids, amounts);
    }

    function _burn(
        address from,
        uint256 id,
        uint256 amount
    ) internal virtual {
        balanceOf[from][id] -= amount;

        emit TransferSingle(msg.sender, from, address(0), id, amount);
    }
}

/// @notice A generic interface for a contract which properly accepts ERC1155 tokens.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
abstract contract ERC1155TokenReceiver {
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155Received.selector;
    }

    function onERC1155BatchReceived(
        address,
        address,
        uint256[] calldata,
        uint256[] calldata,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155BatchReceived.selector;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    /*//////////////////////////////////////////////////////////////
                            EIP-2612 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 internal immutable INITIAL_CHAIN_ID;

    bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;

    mapping(address => uint256) public nonces;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        INITIAL_CHAIN_ID = block.chainid;
        INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;

        emit Approval(msg.sender, spender, amount);

        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(msg.sender, to, amount);

        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.

        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;

        balanceOf[from] -= amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(from, to, amount);

        return true;
    }

    /*//////////////////////////////////////////////////////////////
                             EIP-2612 LOGIC
    //////////////////////////////////////////////////////////////*/

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual {
        require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");

        // Unchecked because the only math done is incrementing
        // the owner's nonce which cannot realistically overflow.
        unchecked {
            address recoveredAddress = ecrecover(
                keccak256(
                    abi.encodePacked(
                        "\x19\x01",
                        DOMAIN_SEPARATOR(),
                        keccak256(
                            abi.encode(
                                keccak256(
                                    "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                ),
                                owner,
                                spender,
                                value,
                                nonces[owner]++,
                                deadline
                            )
                        )
                    )
                ),
                v,
                r,
                s
            );

            require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");

            allowance[recoveredAddress][spender] = value;
        }

        emit Approval(owner, spender, value);
    }

    function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
        return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
    }

    function computeDomainSeparator() internal view virtual returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                    keccak256(bytes(name)),
                    keccak256("1"),
                    block.chainid,
                    address(this)
                )
            );
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;

        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {
            balanceOf[to] += amount;
        }

        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;

        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {
            totalSupply -= amount;
        }

        emit Transfer(from, address(0), amount);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Modern, minimalist, and gas efficient ERC-721 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol)
abstract contract ERC721 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 indexed id);

    event Approval(address indexed owner, address indexed spender, uint256 indexed id);

    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /*//////////////////////////////////////////////////////////////
                         METADATA STORAGE/LOGIC
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    function tokenURI(uint256 id) public view virtual returns (string memory);

    /*//////////////////////////////////////////////////////////////
                      ERC721 BALANCE/OWNER STORAGE
    //////////////////////////////////////////////////////////////*/

    mapping(uint256 => address) internal _ownerOf;

    mapping(address => uint256) internal _balanceOf;

    function ownerOf(uint256 id) public view virtual returns (address owner) {
        require((owner = _ownerOf[id]) != address(0), "NOT_MINTED");
    }

    function balanceOf(address owner) public view virtual returns (uint256) {
        require(owner != address(0), "ZERO_ADDRESS");

        return _balanceOf[owner];
    }

    /*//////////////////////////////////////////////////////////////
                         ERC721 APPROVAL STORAGE
    //////////////////////////////////////////////////////////////*/

    mapping(uint256 => address) public getApproved;

    mapping(address => mapping(address => bool)) public isApprovedForAll;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(string memory _name, string memory _symbol) {
        name = _name;
        symbol = _symbol;
    }

    /*//////////////////////////////////////////////////////////////
                              ERC721 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 id) public virtual {
        address owner = _ownerOf[id];

        require(msg.sender == owner || isApprovedForAll[owner][msg.sender], "NOT_AUTHORIZED");

        getApproved[id] = spender;

        emit Approval(owner, spender, id);
    }

    function setApprovalForAll(address operator, bool approved) public virtual {
        isApprovedForAll[msg.sender][operator] = approved;

        emit ApprovalForAll(msg.sender, operator, approved);
    }

    function transferFrom(
        address from,
        address to,
        uint256 id
    ) public virtual {
        require(from == _ownerOf[id], "WRONG_FROM");

        require(to != address(0), "INVALID_RECIPIENT");

        require(
            msg.sender == from || isApprovedForAll[from][msg.sender] || msg.sender == getApproved[id],
            "NOT_AUTHORIZED"
        );

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        unchecked {
            _balanceOf[from]--;

            _balanceOf[to]++;
        }

        _ownerOf[id] = to;

        delete getApproved[id];

        emit Transfer(from, to, id);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id
    ) public virtual {
        transferFrom(from, to, id);

        require(
            to.code.length == 0 ||
                ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") ==
                ERC721TokenReceiver.onERC721Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        bytes calldata data
    ) public virtual {
        transferFrom(from, to, id);

        require(
            to.code.length == 0 ||
                ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) ==
                ERC721TokenReceiver.onERC721Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    /*//////////////////////////////////////////////////////////////
                              ERC165 LOGIC
    //////////////////////////////////////////////////////////////*/

    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return
            interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
            interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721
            interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 id) internal virtual {
        require(to != address(0), "INVALID_RECIPIENT");

        require(_ownerOf[id] == address(0), "ALREADY_MINTED");

        // Counter overflow is incredibly unrealistic.
        unchecked {
            _balanceOf[to]++;
        }

        _ownerOf[id] = to;

        emit Transfer(address(0), to, id);
    }

    function _burn(uint256 id) internal virtual {
        address owner = _ownerOf[id];

        require(owner != address(0), "NOT_MINTED");

        // Ownership check above ensures no underflow.
        unchecked {
            _balanceOf[owner]--;
        }

        delete _ownerOf[id];

        delete getApproved[id];

        emit Transfer(owner, address(0), id);
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL SAFE MINT LOGIC
    //////////////////////////////////////////////////////////////*/

    function _safeMint(address to, uint256 id) internal virtual {
        _mint(to, id);

        require(
            to.code.length == 0 ||
                ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, "") ==
                ERC721TokenReceiver.onERC721Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }

    function _safeMint(
        address to,
        uint256 id,
        bytes memory data
    ) internal virtual {
        _mint(to, id);

        require(
            to.code.length == 0 ||
                ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, data) ==
                ERC721TokenReceiver.onERC721Received.selector,
            "UNSAFE_RECIPIENT"
        );
    }
}

/// @notice A generic interface for a contract which properly accepts ERC721 tokens.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol)
abstract contract ERC721TokenReceiver {
    function onERC721Received(
        address,
        address,
        uint256,
        bytes calldata
    ) external virtual returns (bytes4) {
        return ERC721TokenReceiver.onERC721Received.selector;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

import {ERC20} from "./ERC20.sol";

import {SafeTransferLib} from "../utils/SafeTransferLib.sol";

/// @notice Minimalist and modern Wrapped Ether implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/WETH.sol)
/// @author Inspired by WETH9 (https://github.com/dapphub/ds-weth/blob/master/src/weth9.sol)
contract WETH is ERC20("Wrapped Ether", "WETH", 18) {
    using SafeTransferLib for address;

    event Deposit(address indexed from, uint256 amount);

    event Withdrawal(address indexed to, uint256 amount);

    function deposit() public payable virtual {
        _mint(msg.sender, msg.value);

        emit Deposit(msg.sender, msg.value);
    }

    function withdraw(uint256 amount) public virtual {
        _burn(msg.sender, amount);

        emit Withdrawal(msg.sender, amount);

        msg.sender.safeTransferETH(amount);
    }

    receive() external payable virtual {
        deposit();
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Gas optimized reentrancy protection for smart contracts.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ReentrancyGuard.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol)
abstract contract ReentrancyGuard {
    uint256 private locked = 1;

    modifier nonReentrant() virtual {
        require(locked == 1, "REENTRANCY");

        locked = 2;

        _;

        locked = 1;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Safe unsigned integer casting library that reverts on overflow.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeCastLib.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/math/SafeCast.sol)
library SafeCastLib {
    function safeCastTo248(uint256 x) internal pure returns (uint248 y) {
        require(x < 1 << 248);

        y = uint248(x);
    }

    function safeCastTo224(uint256 x) internal pure returns (uint224 y) {
        require(x < 1 << 224);

        y = uint224(x);
    }

    function safeCastTo192(uint256 x) internal pure returns (uint192 y) {
        require(x < 1 << 192);

        y = uint192(x);
    }

    function safeCastTo160(uint256 x) internal pure returns (uint160 y) {
        require(x < 1 << 160);

        y = uint160(x);
    }

    function safeCastTo128(uint256 x) internal pure returns (uint128 y) {
        require(x < 1 << 128);

        y = uint128(x);
    }

    function safeCastTo96(uint256 x) internal pure returns (uint96 y) {
        require(x < 1 << 96);

        y = uint96(x);
    }

    function safeCastTo64(uint256 x) internal pure returns (uint64 y) {
        require(x < 1 << 64);

        y = uint64(x);
    }

    function safeCastTo32(uint256 x) internal pure returns (uint32 y) {
        require(x < 1 << 32);

        y = uint32(x);
    }

    function safeCastTo24(uint256 x) internal pure returns (uint24 y) {
        require(x < 1 << 24);

        y = uint24(x);
    }

    function safeCastTo8(uint256 x) internal pure returns (uint8 y) {
        require(x < 1 << 8);

        y = uint8(x);
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

import {ERC20} from "../tokens/ERC20.sol";

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.
library SafeTransferLib {
    /*//////////////////////////////////////////////////////////////
                             ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        bool success;

        assembly {
            // Transfer the ETH and store if it succeeded or not.
            success := call(gas(), to, amount, 0, 0, 0, 0)
        }

        require(success, "ETH_TRANSFER_FAILED");
    }

    /*//////////////////////////////////////////////////////////////
                            ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        ERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bool success;

        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), from) // Append the "from" argument.
            mstore(add(freeMemoryPointer, 36), to) // Append the "to" argument.
            mstore(add(freeMemoryPointer, 68), amount) // Append the "amount" argument.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)
            )
        }

        require(success, "TRANSFER_FROM_FAILED");
    }

    function safeTransfer(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), to) // Append the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "TRANSFER_FAILED");
    }

    function safeApprove(
        ERC20 token,
        address to,
        uint256 amount
    ) internal {
        bool success;

        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)
            mstore(add(freeMemoryPointer, 4), to) // Append the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Append the "amount" argument.

            success := and(
                // Set success to whether the call reverted, if not we check it either
                // returned exactly 1 (can't just be non-zero data), or had no return data.
                or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),
                // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.
                // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.
                // Counterintuitively, this call must be positioned second to the or() call in the
                // surrounding and() call or else returndatasize() will be zero during the computation.
                call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)
            )
        }

        require(success, "APPROVE_FAILED");
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {Permission} from "./IVaultRegistry.sol";

/// @dev Interface for generic Module contract
interface IModule {
    function getLeafNodes() external view returns (bytes32[] memory nodes);

    function getPermissions() external view returns (Permission[] memory permissions);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {IModule, Permission} from "./IModule.sol";

/// @dev Auction information
struct Auction {
    // Address of the highest bidder
    address bidder;
    // Amount of the highest bid
    uint64 amount;
    // End time of the auction
    uint32 endTime;
}

/// @dev Vault information
struct Vault {
    // Address of the vault curator
    address curator;
    // Current ID of the token
    uint96 currentId;
}

/// @dev Interface for NounletAuction contract
interface INounletAuction is IModule {
    /// @dev Emitted when the auction has already been created for the first Nounlet of a Noun
    error AuctionAlreadyCreated();
    /// @dev Emitted when the auction has not completed
    error AuctionNotCompleted();
    /// @dev Emitted when the auction has already ended
    error AuctionExpired();
    /// @dev Emitted when the minimum bid increase has not been met
    error InvalidBidIncrease();
    /// @dev Emitted when the caller is the not the auction winner
    error NotWinner();

    /// @dev Event log for creating a new auction
    /// @param _vault Address of the vault
    /// @param _token Address of the token contract
    /// @param _id ID of the token
    /// @param _endTime End time of the auction
    event Created(
        address indexed _vault,
        address indexed _token,
        uint256 indexed _id,
        uint256 _endTime
    );

    /// @dev Event log for bidding on an auction
    /// @param _vault Address of the vault
    /// @param _token Address of the token contract
    /// @param _id ID of the token
    /// @param _bidder Address of the bidder
    /// @param _value Ether value of the current bid
    /// @param _endTime New end time if bid is placed in final 10 minutes
    event Bid(
        address indexed _vault,
        address indexed _token,
        uint256 indexed _id,
        address _bidder,
        uint256 _value,
        uint256 _endTime
    );

    /// @dev Event log for settling a finished auction
    /// @param _vault Address of the vault
    /// @param _token Address of the token contract
    /// @param _id ID of the token
    /// @param _winner Address of the highest bidder at auction end
    /// @param _amount Ether value of the highest bid at auction end
    event Settled(
        address indexed _vault,
        address indexed _token,
        uint256 indexed _id,
        address _winner,
        uint256 _amount
    );

    function duration() external view returns (uint48);

    function MIN_INCREASE() external view returns (uint48);

    function TIME_BUFFER() external view returns (uint48);

    function TOTAL_SUPPLY() external view returns (uint48);

    function auctionInfo(address, uint256)
        external
        view
        returns (
            address bidder,
            uint64 bid,
            uint32 endTime
        );

    function bid(address _vault) external payable;

    function registry() external view returns (address);

    function createAuction(
        address _vault,
        address _curator,
        bytes32[] calldata _mintProof
    ) external;

    function settleAuction(address _vault, bytes32[] calldata _mintProof) external;

    function vaultInfo(address) external view returns (address curator, uint96 currentId);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {IModule, Permission} from "./IModule.sol";

/// @dev Interface for NounletMinter contract
interface INounletMinter is IModule {
    function supply() external view returns (address);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/// @dev Interface for NounletRegistry contract
interface INounletRegistry {
    /// @dev Emitted when the caller is not a registered vault
    error UnregisteredVault(address _sender);

    /// @dev Event log for deploying vault
    /// @param _vault Address of the vault
    /// @param _token Address of the token
    event VaultDeployed(address indexed _vault, address indexed _token);

    function batchBurn(address _from, uint256[] memory _ids) external;

    function create(
        bytes32 _merkleRoot,
        address[] memory _plugins,
        bytes4[] memory _selectors,
        address _descriptor,
        uint256 _nounId
    ) external returns (address vault);

    function factory() external view returns (address);

    function implementation() external view returns (address);

    function mint(address _to, uint256 _id) external;

    function nounsToken() external view returns (address);

    function royaltyBeneficiary() external view returns (address);

    function uri(address _vault, uint256 _id) external view returns (string memory);

    function vaultToToken(address) external view returns (address token);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/// @dev Interface for NounletSupply target contract
interface INounletSupply {
    function batchBurn(address _from, uint256[] memory _ids) external;

    function mint(address _to, uint256 _id) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {INounsSeeder} from "./INounsSeeder.sol";

/// @dev Interface for NounletToken contract
interface INounletToken is IERC165 {
    /// @dev Emitted when deadline for signature has passed
    error SignatureExpired(uint256 _timestamp, uint256 _deadline);
    /// @dev Emitted when caller is not required address
    error InvalidSender(address _required, address _provided);
    /// @dev Emitted when owner signature is invalid
    error InvalidSignature(address _signer, address _owner);

    function NOUNLET_REGISTRY() external pure returns (address);

    function NOUNS_DESCRIPTOR() external pure returns (address);

    function NOUNS_TOKEN_ID() external pure returns (uint256);

    function ROYALTY_BENEFICIARY() external pure returns (address);

    function batchBurn(address _from, uint256[] memory _ids) external;

    function generateSeed(uint256 _id) external view returns (INounsSeeder.Seed memory);

    function mint(
        address _to,
        uint256 _id,
        bytes memory _data
    ) external;

    function permitAll(
        address _owner,
        address _operator,
        bool _approved,
        uint256 _deadline,
        uint8 _v,
        bytes32 _r,
        bytes32 _s
    ) external;

    function royaltyInfo(uint256 _id, uint256 _salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);

    function safeTransferFrom(
        address _from,
        address _to,
        uint256 _id,
        uint256 _amount,
        bytes memory _data
    ) external;

    function safeBatchTransferFrom(
        address _from,
        address _to,
        uint256[] memory _ids,
        uint256[] memory _amounts,
        bytes memory _data
    ) external;

    function transferFrom(
        address _from,
        address _to,
        uint256 _id,
        uint256 _amount,
        bytes memory _data
    ) external;

    function batchTransferFrom(
        address _from,
        address _to,
        uint256[] calldata _ids,
        uint256[] calldata _amounts,
        bytes calldata _data
    ) external;

    function supportsInterface(bytes4 _interfaceId) external view returns (bool);

    function uri(uint256 _id) external view returns (string memory);
}

// SPDX-License-Identifier: GPL-3.0

/// @title Common interface for NounsDescriptor versions, as used by NounsToken and NounsSeeder.

/*********************************
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░█████████░░█████████░░░ *
 * ░░░░░░██░░░████░░██░░░████░░░ *
 * ░░██████░░░████████░░░████░░░ *
 * ░░██░░██░░░████░░██░░░████░░░ *
 * ░░██░░██░░░████░░██░░░████░░░ *
 * ░░░░░░█████████░░█████████░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 *********************************/

pragma solidity ^0.8.13;

import {INounsSeeder} from "./INounsSeeder.sol";
import {ISVGRenderer} from "nouns-contracts/contracts/interfaces/ISVGRenderer.sol";

interface INounsDescriptor {
    function tokenURI(uint256 tokenId, INounsSeeder.Seed memory seed)
        external
        view
        returns (string memory);

    function dataURI(uint256 tokenId, INounsSeeder.Seed memory seed)
        external
        view
        returns (string memory);

    function backgroundCount() external view returns (uint256);

    function bodyCount() external view returns (uint256);

    function accessoryCount() external view returns (uint256);

    function headCount() external view returns (uint256);

    function glassesCount() external view returns (uint256);

    function genericDataURI(
        string calldata name,
        string calldata description,
        INounsSeeder.Seed memory seed
    ) external view returns (string memory);

    function renderer() external view returns (address);

    function art() external view returns (address);

    function getPartsForSeed(INounsSeeder.Seed memory seed)
        external
        view
        returns (ISVGRenderer.Part[] memory);
}

// SPDX-License-Identifier: GPL-3.0

/// @title Interface for NounsSeeder

/*********************************
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░█████████░░█████████░░░ *
 * ░░░░░░██░░░████░░██░░░████░░░ *
 * ░░██████░░░████████░░░████░░░ *
 * ░░██░░██░░░████░░██░░░████░░░ *
 * ░░██░░██░░░████░░██░░░████░░░ *
 * ░░░░░░█████████░░█████████░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ *
 *********************************/

pragma solidity ^0.8.13;

import {INounsDescriptor} from "./INounsDescriptor.sol";

interface INounsSeeder {
    struct Seed {
        uint48 background;
        uint48 body;
        uint48 accessory;
        uint48 head;
        uint48 glasses;
    }

    function generateSeed(uint256 nounId, INounsDescriptor descriptor)
        external
        view
        returns (Seed memory);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/// @dev Interface for Vault proxy contract
interface IVault {
    /// @dev Emitted when execution reverted with no reason
    error ExecutionReverted();
    /// @dev Emitted when ownership of the proxy has been renounced
    error Initialized(address _owner, address _newOwner, uint256 _nonce);
    /// @dev Emitted when there is no implementation stored in methods for a function signature
    error MethodNotFound();
    /// @dev Emitted when length of input arrays don't match
    error ArrayMismatch(uint256 _pluginsLength, uint256 _selectorsLength);
    /// @dev Emitted when a plugin selector would overwrite an existing plugin
    error InvalidSelector(bytes4 _selector);
    /// @dev Emitted when the caller is not the owner
    error NotAuthorized(address _caller, address _target, bytes4 _selector);
    /// @dev Emitted when the caller is not the owner
    error NotOwner(address _owner, address _caller);
    /// @dev Emitted when the owner is changed during the DELEGATECALL
    error OwnerChanged(address _originalOwner, address _newOwner);
    /// @dev Emitted when passing an EOA or an undeployed contract as the target
    error TargetInvalid(address _target);

    /// @dev Event log for executing transactions
    /// @param _target Address of target contract
    /// @param _data Transaction data being executed
    /// @param _response Return data of delegatecall
    event Execute(address indexed _target, bytes _data, bytes _response);
    /// @dev Event log for installing plugins
    /// @param _selectors List of function selectors
    /// @param _plugins List of plugin contracts
    event UpdatedPlugins(bytes4[] _selectors, address[] _plugins);

    function execute(
        address _target,
        bytes memory _data,
        bytes32[] memory _proof
    ) external payable returns (bool success, bytes memory response);

    function setPlugins(address[] memory _plugins, bytes4[] memory _selectors) external;

    function methods(bytes4) external view returns (address);

    function MERKLE_ROOT() external view returns (bytes32);

    function OWNER() external view returns (address);

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

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

/// @dev Vault permissions
struct Permission {
    // Address of module contract
    address module;
    // Address of target contract
    address target;
    // Function selector from target contract
    bytes4 selector;
}

/// @dev Vault information
struct VaultInfo {
    // Address of FERC1155 token contract
    address token;
    // ID of the token type
    uint256 id;
}

/// @dev Interface for VaultRegistry contract
interface IVaultRegistry {
    /// @dev Emitted when the caller is not the controller
    error InvalidController(address _controller, address _sender);
    /// @dev Emitted when the caller is not a registered vault
    error UnregisteredVault(address _sender);

    /// @dev Event log for deploying vault
    /// @param _vault Address of the vault
    /// @param _token Address of the token
    /// @param _id Id of the token
    event VaultDeployed(address indexed _vault, address indexed _token, uint256 _id);

    function burn(address _from, uint256 _value) external;

    function create(
        bytes32 _merkleRoot,
        address[] memory _plugins,
        bytes4[] memory _selectors
    ) external returns (address vault);

    function createCollection(
        bytes32 _merkleRoot,
        address[] memory _plugins,
        bytes4[] memory _selectors
    ) external returns (address vault, address token);

    function createCollectionFor(
        bytes32 _merkleRoot,
        address _controller,
        address[] memory _plugins,
        bytes4[] memory _selectors
    ) external returns (address vault, address token);

    function createFor(
        bytes32 _merkleRoot,
        address _owner,
        address[] memory _plugins,
        bytes4[] memory _selectors
    ) external returns (address vault);

    function createInCollection(
        bytes32 _merkleRoot,
        address _token,
        address[] memory _plugins,
        bytes4[] memory _selectors
    ) external returns (address vault);

    function factory() external view returns (address);

    function fNFT() external view returns (address);

    function fNFTImplementation() external view returns (address);

    function mint(address _to, uint256 _value) external;

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

    function totalSupply(address _vault) external view returns (uint256);

    function uri(address _vault) external view returns (string memory);

    function vaultToToken(address) external view returns (address token, uint256 id);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {INounletMinter as IMinter, Permission} from "../interfaces/INounletMinter.sol";
import {INounletSupply as ISupply} from "../interfaces/INounletSupply.sol";
import {IVault} from "../interfaces/IVault.sol";

/// @title NounletMinter
/// @author Tessera
/// @notice Module contract for minting new fractions
contract NounletMinter is IMinter {
    /// @notice Address of NounletSupply target contract
    address public immutable supply;

    /// @dev Initializes NounletSupply target contract
    constructor(address _supply) {
        supply = _supply;
    }

    /// @notice Gets the list of leaf nodes used to generate a merkle tree
    /// @dev Leaf nodes are hashed permissions of the merkle tree
    /// @return nodes A list of leaf nodes
    function getLeafNodes() external view returns (bytes32[] memory nodes) {
        // Gets list of permissions from this module
        Permission[] memory permissions = getPermissions();
        nodes = new bytes32[](permissions.length);
        for (uint256 i; i < permissions.length; ) {
            // Hashes permission into leaf node
            nodes[i] = keccak256(abi.encode(permissions[i]));
            // Can't overflow since loop is a fixed size
            unchecked {
                ++i;
            }
        }
    }

    /// @notice Gets the list of permissions installed on a vault
    /// @dev Permissions consist of a module contract, target contract, and function selector
    /// @return permissions A list of Permission Structs
    function getPermissions() public view returns (Permission[] memory permissions) {
        permissions = new Permission[](1);
        // Mint function selector from supply contract
        permissions[0] = Permission(address(this), supply, ISupply.mint.selector);
    }

    /// @notice Mints a single fraction
    /// @param _vault Address of the Vault
    /// @param _to Address of the receiver
    /// @param _id ID of the fractional token
    /// @param _mintProof Merkle proof for minting fractions
    function _mintFraction(
        address _vault,
        address _to,
        uint256 _id,
        bytes32[] calldata _mintProof
    ) internal {
        bytes memory data = abi.encodeCall(ISupply.mint, (_to, _id));
        IVault(payable(_vault)).execute(supply, data, _mintProof);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {ERC721TokenReceiver} from "@rari-capital/solmate/src/tokens/ERC721.sol";
import {ERC1155TokenReceiver} from "@rari-capital/solmate/src/tokens/ERC1155.sol";

/// @title NFT Receiver
/// @author Tessera
/// @notice Plugin contract for handling receipts of non-fungible tokens
contract NFTReceiver is ERC721TokenReceiver, ERC1155TokenReceiver {
    /// @notice Handles the receipt of a single ERC721 token
    function onERC721Received(
        address,
        address,
        uint256,
        bytes calldata
    ) external virtual override returns (bytes4) {
        return ERC721TokenReceiver.onERC721Received.selector;
    }

    /// @notice Handles the receipt of a single ERC1155 token type
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes calldata
    ) external virtual override returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155Received.selector;
    }

    /// @notice Handles the receipt of multiple ERC1155 token types
    function onERC1155BatchReceived(
        address,
        address,
        uint256[] calldata,
        uint256[] calldata,
        bytes calldata
    ) external virtual override returns (bytes4) {
        return ERC1155TokenReceiver.onERC1155BatchReceived.selector;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import {WETH} from "@rari-capital/solmate/src/tokens/WETH.sol";

/// @title SafeSend
/// @author Tessera
/// @notice Utility contract for sending Ether or WETH value to an address
abstract contract SafeSend {
    /// @notice Address for WETH contract on mainnet
    address payable public constant WETH_ADDRESS =
        payable(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2);

    /// @notice Attempts to send ether to an address
    /// @param _to Address attemping to send to
    /// @param _value Amount to send
    /// @return success Status of transfer
    function _attemptETHTransfer(address _to, uint256 _value) internal returns (bool success) {
        // Here increase the gas limit a reasonable amount above the default, and try
        // to send ETH to the recipient.
        // NOTE: This might allow the recipient to attempt a limited reentrancy attack.
        (success, ) = _to.call{value: _value, gas: 30000}("");
    }

    /// @notice Sends eth or weth to an address
    /// @param _to Address to send to
    /// @param _value Amount to send
    function _sendEthOrWeth(address _to, uint256 _value) internal {
        if (!_attemptETHTransfer(_to, _value)) {
            WETH(WETH_ADDRESS).deposit{value: _value}();
            WETH(WETH_ADDRESS).transfer(_to, _value);
        }
    }
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@rari-capital/solmate/src/=lib/solmate/src/",
    "base64-sol/=lib/base64/",
    "base64/=lib/base64/",
    "clones-with-immutable-args/=lib/clones-with-immutable-args/",
    "ds-test/=lib/clones-with-immutable-args/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "nouns-contracts/=lib/nouns-monorepo/packages/nouns-contracts/",
    "nouns-monorepo/=lib/nouns-monorepo/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"auctionInfo","outputs":[{"internalType":"address","name":"bidder","type":"address"},{"internalType":"uint64","name":"amount","type":"uint64"},{"internalType":"uint32","name":"endTime","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"}],"name":"bid","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"},{"internalType":"address","name":"_curator","type":"address"},{"internalType":"bytes32[]","name":"_mintProof","type":"bytes32[]"}],"name":"createAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"duration","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLeafNodes","outputs":[{"internalType":"bytes32[]","name":"nodes","type":"bytes32[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPermissions","outputs":[{"components":[{"internalType":"address","name":"module","type":"address"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"selector","type":"bytes4"}],"internalType":"struct Permission[]","name":"permissions","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155BatchReceived","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC1155Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"},{"internalType":"bytes32[]","name":"_mintProof","type":"bytes32[]"}],"name":"settleAuction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"supply","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint48","name":"_duration","type":"uint48"}],"name":"updateDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"vaultInfo","outputs":[{"internalType":"address","name":"curator","type":"address"},{"internalType":"uint96","name":"currentId","type":"uint96"}],"stateMutability":"view","type":"function"}]

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000000000000000000000000086bed3c3566c0c65ec15f35783042823a23dec3000000000000000000000000eff9f41ce7f59c60c4efdb9dedfe322a1c680810

-----Decoded View---------------
Arg [0] : _registry (address): 0x086bEd3c3566C0C65EC15f35783042823A23deC3
Arg [1] : _supply (address): 0xEFf9f41CE7f59C60C4EFdb9dedfe322A1c680810

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000086bed3c3566c0c65ec15f35783042823a23dec3
Arg [1] : 000000000000000000000000eff9f41ce7f59c60c4efdb9dedfe322a1c680810