Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (access/Ownable.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

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

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

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

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/ERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../ERC721.sol";
import "./IERC721Enumerable.sol";

/**
 * @dev This implements an optional extension of {ERC721} defined in the EIP that adds
 * enumerability of all the token ids in the contract as well as all token ids owned by each
 * account.
 */
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
    // Mapping from owner to list of owned token IDs
    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;

    // Mapping from token ID to index of the owner tokens list
    mapping(uint256 => uint256) private _ownedTokensIndex;

    // Array with all token ids, used for enumeration
    uint256[] private _allTokens;

    // Mapping from token id to position in the allTokens array
    mapping(uint256 => uint256) private _allTokensIndex;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
        return _ownedTokens[owner][index];
    }

    /**
     * @dev See {IERC721Enumerable-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _allTokens.length;
    }

    /**
     * @dev See {IERC721Enumerable-tokenByIndex}.
     */
    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
        require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
        return _allTokens[index];
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, tokenId);

        if (from == address(0)) {
            _addTokenToAllTokensEnumeration(tokenId);
        } else if (from != to) {
            _removeTokenFromOwnerEnumeration(from, tokenId);
        }
        if (to == address(0)) {
            _removeTokenFromAllTokensEnumeration(tokenId);
        } else if (to != from) {
            _addTokenToOwnerEnumeration(to, tokenId);
        }
    }

    /**
     * @dev Private function to add a token to this extension's ownership-tracking data structures.
     * @param to address representing the new owner of the given token ID
     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address
     */
    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
        uint256 length = ERC721.balanceOf(to);
        _ownedTokens[to][length] = tokenId;
        _ownedTokensIndex[tokenId] = length;
    }

    /**
     * @dev Private function to add a token to this extension's token tracking data structures.
     * @param tokenId uint256 ID of the token to be added to the tokens list
     */
    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
        _allTokensIndex[tokenId] = _allTokens.length;
        _allTokens.push(tokenId);
    }

    /**
     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).
     * This has O(1) time complexity, but alters the order of the _ownedTokens array.
     * @param from address representing the previous owner of the given token ID
     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
     */
    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
        uint256 tokenIndex = _ownedTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary
        if (tokenIndex != lastTokenIndex) {
            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];

            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
        }

        // This also deletes the contents at the last position of the array
        delete _ownedTokensIndex[tokenId];
        delete _ownedTokens[from][lastTokenIndex];
    }

    /**
     * @dev Private function to remove a token from this extension's token tracking data structures.
     * This has O(1) time complexity, but alters the order of the _allTokens array.
     * @param tokenId uint256 ID of the token to be removed from the tokens list
     */
    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
        // then delete the last slot (swap and pop).

        uint256 lastTokenIndex = _allTokens.length - 1;
        uint256 tokenIndex = _allTokensIndex[tokenId];

        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)
        uint256 lastTokenId = _allTokens[lastTokenIndex];

        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index

        // This also deletes the contents at the last position of the array
        delete _allTokensIndex[tokenId];
        _allTokens.pop();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Enumerable is IERC721 {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

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

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    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 Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(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: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Counters.sol)

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/utils/Counters.sol';
import '@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol';
import './WhitelistTimelock.sol';

contract ASMBrain is ERC721Enumerable, WhitelistTimelock {
  using Address for address;
  using Counters for Counters.Counter;

  Counters.Counter private _tokenIds;

  uint256 public maxSupply;

  mapping(uint256 => string) public tokenHashes;

  event Minted(address minter, address recipient, string hash, uint256 tokenId);
  event MaxSupplyChanged(uint256 supply);

  constructor(uint256 initSupply) ERC721('ASMBrain', 'ASMBrain') {
    maxSupply = initSupply;
  }

  function mint(string calldata hash, address recipient)
    external
    onlyWhitelisted
  {
    require(
      _tokenIds.current() + 1 <= maxSupply,
      'Max supply of tokens exceeded.'
    );

    uint256 newItemId = _tokenIds.current();
    _safeMint(recipient, newItemId);
    _tokenIds.increment();

    tokenHashes[newItemId] = hash;

    emit Minted(msg.sender, recipient, hash, newItemId);
  }

  function tokenURI(uint256 tokenId)
    public
    view
    override
    returns (string memory)
  {
    require(_exists(tokenId), 'URI query for nonexistent token');

    string memory hash = tokenHashes[tokenId];
    return
      bytes(hash).length > 0 ? string(abi.encodePacked('ipfs://', hash)) : '';
  }

  function setMaxSupply(uint256 supply) external onlyWhitelisted {
    maxSupply = supply;
    emit MaxSupplyChanged(supply);
  }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

import '@openzeppelin/contracts/access/Ownable.sol';

contract WhitelistTimelock is Ownable {
  mapping(address => uint256) public whitelistTimelock;
  uint256 public constant MIN_LOCK_DURATION = 1 days;
  uint256 public lockDuration = 1 days;

  event AddedToWhitelist(address indexed account);
  event RemovedFromWhitelist(address indexed account);
  event LockDurationUpdated(uint256 duration);

  modifier onlyWhitelisted() {
    require(
      isWhitelisted(msg.sender),
      'Address not whitelisted or in lock-up period.'
    );
    _;
  }

  function addToWhitelist(address _address) public onlyOwner {
    whitelistTimelock[_address] = block.timestamp + lockDuration;
    emit AddedToWhitelist(_address);
  }

  function removeFromWhitelist(address _address) public onlyOwner {
    whitelistTimelock[_address] = 0;
    emit RemovedFromWhitelist(_address);
  }

  function updateLockDuration(uint256 duration) public onlyOwner {
    require(
      duration >= MIN_LOCK_DURATION,
      'Duration should be longer than MIN_LOCK_DURATION.'
    );

    lockDuration = duration;
    emit LockDurationUpdated(duration);
  }

  function isWhitelisted(address _address) public view returns (bool) {
    return
      whitelistTimelock[_address] > 0 &&
      block.timestamp >= whitelistTimelock[_address];
  }
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"uint256","name":"initSupply","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"AddedToWhitelist","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"duration","type":"uint256"}],"name":"LockDurationUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"supply","type":"uint256"}],"name":"MaxSupplyChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"string","name":"hash","type":"string"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Minted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"RemovedFromWhitelist","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MIN_LOCK_DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"addToWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"isWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"hash","type":"string"},{"internalType":"address","name":"recipient","type":"address"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"removeFromWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"supply","type":"uint256"}],"name":"setMaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenHashes","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"updateLockDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelistTimelock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

608060405262015180600c553480156200001857600080fd5b50604051620021ff380380620021ff8339810160408190526200003b91620001b6565b60408051808201825260088082526720a9a6a13930b4b760c11b6020808401828152855180870190965292855284015281519192916200007e9160009162000110565b5080516200009490600190602084019062000110565b505050620000b1620000ab620000ba60201b60201c565b620000be565b600e556200020c565b3390565b600a80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b8280546200011e90620001cf565b90600052602060002090601f0160209004810192826200014257600085556200018d565b82601f106200015d57805160ff19168380011785556200018d565b828001600101855582156200018d579182015b828111156200018d57825182559160200191906001019062000170565b506200019b9291506200019f565b5090565b5b808211156200019b5760008155600101620001a0565b600060208284031215620001c8578081fd5b5051919050565b600181811c90821680620001e457607f821691505b602082108114156200020657634e487b7160e01b600052602260045260246000fd5b50919050565b611fe3806200021c6000396000f3fe608060405234801561001057600080fd5b50600436106101da5760003560e01c806370a0823111610104578063a22cb465116100a2578063d5abeb0111610071578063d5abeb01146103e3578063e43252d7146103ec578063e985e9c5146103ff578063f2fde38b1461043b57600080fd5b8063a22cb46514610397578063b88d4fde146103aa578063c87b56dd146103bd578063d477edf4146103d057600080fd5b806378b4330f116100de57806378b4330f146103615780638ab1d6811461036b5780638da5cb5b1461037e57806395d89b411461038f57600080fd5b806370a0823114610333578063715018a6146103465780637432a3841461034e57600080fd5b806323b872dd1161017c57806342842e0e1161014b57806342842e0e146102e75780634f6ccce7146102fa5780636352211e1461030d5780636f8b44b01461032057600080fd5b806323b872dd1461028e57806323fdc327146102a15780632f745c59146102c15780633af32abf146102d457600080fd5b8063081812fc116101b8578063081812fc14610233578063095ea7b31461025e57806318160ddd146102735780631c351a9d1461027b57600080fd5b806301ffc9a7146101df578063045544431461020757806306fdde031461021e575b600080fd5b6101f26101ed366004611be7565b61044e565b60405190151581526020015b60405180910390f35b610210600c5481565b6040519081526020016101fe565b610226610479565b6040516101fe9190611d9d565b610246610241366004611c9b565b61050b565b6040516001600160a01b0390911681526020016101fe565b61027161026c366004611bbe565b6105a5565b005b600854610210565b610271610289366004611c1f565b6106bb565b61027161029c366004611a74565b6107c3565b6102106102af366004611a28565b600b6020526000908152604090205481565b6102106102cf366004611bbe565b6107f4565b6101f26102e2366004611a28565b61088a565b6102716102f5366004611a74565b6108cb565b610210610308366004611c9b565b6108e6565b61024661031b366004611c9b565b610987565b61027161032e366004611c9b565b6109fe565b610210610341366004611a28565b610a5f565b610271610ae6565b61022661035c366004611c9b565b610b1c565b6102106201518081565b610271610379366004611a28565b610bb6565b600a546001600160a01b0316610246565b610226610c24565b6102716103a5366004611b84565b610c33565b6102716103b8366004611aaf565b610c42565b6102266103cb366004611c9b565b610c7a565b6102716103de366004611c9b565b610dc0565b610210600e5481565b6102716103fa366004611a28565b610e8c565b6101f261040d366004611a42565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b610271610449366004611a28565b610f0a565b60006001600160e01b0319821663780e9d6360e01b1480610473575061047382610fa5565b92915050565b60606000805461048890611f30565b80601f01602080910402602001604051908101604052809291908181526020018280546104b490611f30565b80156105015780601f106104d657610100808354040283529160200191610501565b820191906000526020600020905b8154815290600101906020018083116104e457829003601f168201915b5050505050905090565b6000818152600260205260408120546001600160a01b03166105895760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a20617070726f76656420717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b60648201526084015b60405180910390fd5b506000908152600460205260409020546001600160a01b031690565b60006105b082610987565b9050806001600160a01b0316836001600160a01b0316141561061e5760405162461bcd60e51b815260206004820152602160248201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656044820152603960f91b6064820152608401610580565b336001600160a01b038216148061063a575061063a813361040d565b6106ac5760405162461bcd60e51b815260206004820152603860248201527f4552433732313a20617070726f76652063616c6c6572206973206e6f74206f7760448201527f6e6572206e6f7220617070726f76656420666f7220616c6c00000000000000006064820152608401610580565b6106b68383610ff5565b505050565b6106c43361088a565b6106e05760405162461bcd60e51b815260040161058090611e88565b600e54600d546106f1906001611ed5565b111561073f5760405162461bcd60e51b815260206004820152601e60248201527f4d617820737570706c79206f6620746f6b656e732065786365656465642e00006044820152606401610580565b600061074a600d5490565b90506107568282611063565b610764600d80546001019055565b6000818152600f6020526040902061077d908585611973565b507f25dd1b8fce65689a9addc4d9eb034856fc547999738b1d226968b4d9bd4a950333838686856040516107b5959493929190611d0e565b60405180910390a150505050565b6107cd338261107d565b6107e95760405162461bcd60e51b815260040161058090611e37565b6106b6838383611174565b60006107ff83610a5f565b82106108615760405162461bcd60e51b815260206004820152602b60248201527f455243373231456e756d657261626c653a206f776e657220696e646578206f7560448201526a74206f6620626f756e647360a81b6064820152608401610580565b506001600160a01b03919091166000908152600660209081526040808320938352929052205490565b6001600160a01b0381166000908152600b6020526040812054158015906104735750506001600160a01b03166000908152600b602052604090205442101590565b6106b683838360405180602001604052806000815250610c42565b60006108f160085490565b82106109545760405162461bcd60e51b815260206004820152602c60248201527f455243373231456e756d657261626c653a20676c6f62616c20696e646578206f60448201526b7574206f6620626f756e647360a01b6064820152608401610580565b6008828154811061097557634e487b7160e01b600052603260045260246000fd5b90600052602060002001549050919050565b6000818152600260205260408120546001600160a01b0316806104735760405162461bcd60e51b815260206004820152602960248201527f4552433732313a206f776e657220717565727920666f72206e6f6e657869737460448201526832b73a103a37b5b2b760b91b6064820152608401610580565b610a073361088a565b610a235760405162461bcd60e51b815260040161058090611e88565b600e8190556040518181527f28a10a2e0b5582da7164754cb994f6214b8af6aa7f7e003305fbc09e7106c513906020015b60405180910390a150565b60006001600160a01b038216610aca5760405162461bcd60e51b815260206004820152602a60248201527f4552433732313a2062616c616e636520717565727920666f7220746865207a65604482015269726f206164647265737360b01b6064820152608401610580565b506001600160a01b031660009081526003602052604090205490565b600a546001600160a01b03163314610b105760405162461bcd60e51b815260040161058090611e02565b610b1a600061131f565b565b600f6020526000908152604090208054610b3590611f30565b80601f0160208091040260200160405190810160405280929190818152602001828054610b6190611f30565b8015610bae5780601f10610b8357610100808354040283529160200191610bae565b820191906000526020600020905b815481529060010190602001808311610b9157829003601f168201915b505050505081565b600a546001600160a01b03163314610be05760405162461bcd60e51b815260040161058090611e02565b6001600160a01b0381166000818152600b6020526040808220829055517fcdd2e9b91a56913d370075169cefa1602ba36be5301664f752192bb1709df7579190a250565b60606001805461048890611f30565b610c3e338383611371565b5050565b610c4c338361107d565b610c685760405162461bcd60e51b815260040161058090611e37565b610c7484848484611440565b50505050565b6000818152600260205260409020546060906001600160a01b0316610ce15760405162461bcd60e51b815260206004820152601f60248201527f55524920717565727920666f72206e6f6e6578697374656e7420746f6b656e006044820152606401610580565b6000828152600f602052604081208054610cfa90611f30565b80601f0160208091040260200160405190810160405280929190818152602001828054610d2690611f30565b8015610d735780601f10610d4857610100808354040283529160200191610d73565b820191906000526020600020905b815481529060010190602001808311610d5657829003601f168201915b505050505090506000815111610d985760405180602001604052806000815250610db9565b80604051602001610da99190611cdf565b6040516020818303038152906040525b9392505050565b600a546001600160a01b03163314610dea5760405162461bcd60e51b815260040161058090611e02565b62015180811015610e575760405162461bcd60e51b815260206004820152603160248201527f4475726174696f6e2073686f756c64206265206c6f6e676572207468616e204d60448201527024a72fa627a1a5afa22aa920aa24a7a71760791b6064820152608401610580565b600c8190556040518181527f3e062f634a950eae456fa5f8fb53a4f59f55039983bd73df7a34a313b75443d490602001610a54565b600a546001600160a01b03163314610eb65760405162461bcd60e51b815260040161058090611e02565b600c54610ec39042611ed5565b6001600160a01b0382166000818152600b602052604080822093909355915190917fa850ae9193f515cbae8d35e8925bd2be26627fc91bce650b8652ed254e9cab0391a250565b600a546001600160a01b03163314610f345760405162461bcd60e51b815260040161058090611e02565b6001600160a01b038116610f995760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b6064820152608401610580565b610fa28161131f565b50565b60006001600160e01b031982166380ac58cd60e01b1480610fd657506001600160e01b03198216635b5e139f60e01b145b8061047357506301ffc9a760e01b6001600160e01b0319831614610473565b600081815260046020526040902080546001600160a01b0319166001600160a01b038416908117909155819061102a82610987565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b610c3e828260405180602001604052806000815250611473565b6000818152600260205260408120546001600160a01b03166110f65760405162461bcd60e51b815260206004820152602c60248201527f4552433732313a206f70657261746f7220717565727920666f72206e6f6e657860448201526b34b9ba32b73a103a37b5b2b760a11b6064820152608401610580565b600061110183610987565b9050806001600160a01b0316846001600160a01b0316148061113c5750836001600160a01b03166111318461050b565b6001600160a01b0316145b8061116c57506001600160a01b0380821660009081526005602090815260408083209388168352929052205460ff165b949350505050565b826001600160a01b031661118782610987565b6001600160a01b0316146111ef5760405162461bcd60e51b815260206004820152602960248201527f4552433732313a207472616e73666572206f6620746f6b656e2074686174206960448201526839903737ba1037bbb760b91b6064820152608401610580565b6001600160a01b0382166112515760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b6064820152608401610580565b61125c8383836114a6565b611267600082610ff5565b6001600160a01b0383166000908152600360205260408120805460019290611290908490611eed565b90915550506001600160a01b03821660009081526003602052604081208054600192906112be908490611ed5565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b600a80546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b816001600160a01b0316836001600160a01b031614156113d35760405162461bcd60e51b815260206004820152601960248201527f4552433732313a20617070726f766520746f2063616c6c6572000000000000006044820152606401610580565b6001600160a01b03838116600081815260056020908152604080832094871680845294825291829020805460ff191686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b61144b848484611174565b6114578484848461155e565b610c745760405162461bcd60e51b815260040161058090611db0565b61147d838361166b565b61148a600084848461155e565b6106b65760405162461bcd60e51b815260040161058090611db0565b6001600160a01b038316611501576114fc81600880546000838152600960205260408120829055600182018355919091527ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee30155565b611524565b816001600160a01b0316836001600160a01b0316146115245761152483826117b9565b6001600160a01b03821661153b576106b681611856565b826001600160a01b0316826001600160a01b0316146106b6576106b6828261192f565b60006001600160a01b0384163b1561166057604051630a85bd0160e11b81526001600160a01b0385169063150b7a02906115a2903390899088908890600401611d60565b602060405180830381600087803b1580156115bc57600080fd5b505af19250505080156115ec575060408051601f3d908101601f191682019092526115e991810190611c03565b60015b611646573d80801561161a576040519150601f19603f3d011682016040523d82523d6000602084013e61161f565b606091505b50805161163e5760405162461bcd60e51b815260040161058090611db0565b805181602001fd5b6001600160e01b031916630a85bd0160e11b14905061116c565b506001949350505050565b6001600160a01b0382166116c15760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f20616464726573736044820152606401610580565b6000818152600260205260409020546001600160a01b0316156117265760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e746564000000006044820152606401610580565b611732600083836114a6565b6001600160a01b038216600090815260036020526040812080546001929061175b908490611ed5565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b600060016117c684610a5f565b6117d09190611eed565b600083815260076020526040902054909150808214611823576001600160a01b03841660009081526006602090815260408083208584528252808320548484528184208190558352600790915290208190555b5060009182526007602090815260408084208490556001600160a01b039094168352600681528383209183525290812055565b60085460009061186890600190611eed565b6000838152600960205260408120546008805493945090928490811061189e57634e487b7160e01b600052603260045260246000fd5b9060005260206000200154905080600883815481106118cd57634e487b7160e01b600052603260045260246000fd5b600091825260208083209091019290925582815260099091526040808220849055858252812055600880548061191357634e487b7160e01b600052603160045260246000fd5b6001900381819060005260206000200160009055905550505050565b600061193a83610a5f565b6001600160a01b039093166000908152600660209081526040808320868452825280832085905593825260079052919091209190915550565b82805461197f90611f30565b90600052602060002090601f0160209004810192826119a157600085556119e7565b82601f106119ba5782800160ff198235161785556119e7565b828001600101855582156119e7579182015b828111156119e75782358255916020019190600101906119cc565b506119f39291506119f7565b5090565b5b808211156119f357600081556001016119f8565b80356001600160a01b0381168114611a2357600080fd5b919050565b600060208284031215611a39578081fd5b610db982611a0c565b60008060408385031215611a54578081fd5b611a5d83611a0c565b9150611a6b60208401611a0c565b90509250929050565b600080600060608486031215611a88578081fd5b611a9184611a0c565b9250611a9f60208501611a0c565b9150604084013590509250925092565b60008060008060808587031215611ac4578081fd5b611acd85611a0c565b9350611adb60208601611a0c565b925060408501359150606085013567ffffffffffffffff80821115611afe578283fd5b818701915087601f830112611b11578283fd5b813581811115611b2357611b23611f81565b604051601f8201601f19908116603f01168101908382118183101715611b4b57611b4b611f81565b816040528281528a6020848701011115611b63578586fd5b82602086016020830137918201602001949094529598949750929550505050565b60008060408385031215611b96578182fd5b611b9f83611a0c565b915060208301358015158114611bb3578182fd5b809150509250929050565b60008060408385031215611bd0578182fd5b611bd983611a0c565b946020939093013593505050565b600060208284031215611bf8578081fd5b8135610db981611f97565b600060208284031215611c14578081fd5b8151610db981611f97565b600080600060408486031215611c33578283fd5b833567ffffffffffffffff80821115611c4a578485fd5b818601915086601f830112611c5d578485fd5b813581811115611c6b578586fd5b876020828501011115611c7c578586fd5b602092830195509350611c929186019050611a0c565b90509250925092565b600060208284031215611cac578081fd5b5035919050565b60008151808452611ccb816020860160208601611f04565b601f01601f19169290920160200192915050565b66697066733a2f2f60c81b815260008251611d01816007850160208701611f04565b9190910160070192915050565b6001600160a01b0386811682528516602082015260806040820181905281018390526000838560a08401378060a0858401015260a0601f19601f86011683010190508260608301529695505050505050565b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611d9390830184611cb3565b9695505050505050565b602081526000610db96020830184611cb3565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b60208082526031908201527f4552433732313a207472616e736665722063616c6c6572206973206e6f74206f6040820152701ddb995c881b9bdc88185c1c1c9bdd9959607a1b606082015260800190565b6020808252602d908201527f41646472657373206e6f742077686974656c6973746564206f7220696e206c6f60408201526c31b596bab8103832b934b7b21760991b606082015260800190565b60008219821115611ee857611ee8611f6b565b500190565b600082821015611eff57611eff611f6b565b500390565b60005b83811015611f1f578181015183820152602001611f07565b83811115610c745750506000910152565b600181811c90821680611f4457607f821691505b60208210811415611f6557634e487b7160e01b600052602260045260246000fd5b50919050565b634e487b7160e01b600052601160045260246000fd5b634e487b7160e01b600052604160045260246000fd5b6001600160e01b031981168114610fa257600080fdfea2646970667358221220756d56b00cc018b27eed7aac93a64391ab169b5bb69f4279284835a81f4dbbe564736f6c634300080400330000000000000000000000000000000000000000000000000000000000002710

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

0000000000000000000000000000000000000000000000000000000000002710

-----Decoded View---------------
Arg [0] : initSupply (uint256): 10000

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000002710