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

pragma solidity ^0.8.4;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";


/* 
 * Copy/pasted from @openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol, 
 * except modified to append "/metadata.json" to the URI returned by tokenURI() .  
 * We do this to save some gas 
 */
abstract contract ERC721URIStorage is ERC721 {
    using Strings for uint256;

    // Optional mapping for token URIs
    mapping(uint256 => string) private _tokenURIs;

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token");

        string memory _tokenURI = _tokenURIs[tokenId];
        string memory base = _baseURI();

        // If there is no base URI, return the token URI.
        if (bytes(base).length == 0) {
            return _tokenURI;
        }
        // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
        if (bytes(_tokenURI).length > 0) {
            return string(abi.encodePacked(base, _tokenURI, "/metadata.json"));
        }

        return super.tokenURI(tokenId);
    }

    /**
     * @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
        require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token");
        _tokenURIs[tokenId] = _tokenURI;
    }

    /**
     * @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 override {
        super._burn(tokenId);

        if (bytes(_tokenURIs[tokenId]).length != 0) {
            delete _tokenURIs[tokenId];
        }
    }
}
    


contract MessageInABottle is Ownable, ERC721URIStorage {

    address private _utilityTokenAddress;       // address of ERC20 contract for paying to send messages
    
    uint32 private _currentTokenId;             // increments with each new message

    string private _uriPrefix;                  // uri prefix

    address public DAO;                         // where the payments go

    uint256 public publicPrice;                 // price in utility token 1e18 units


    constructor(address _beginUilityTokenAddress, address _daoAddress, uint256 _initialPrice, string memory _initURIPrefix)
    ERC721("Message In a Bottle", "MIAB")
    Ownable() 
    {
        _utilityTokenAddress = _beginUilityTokenAddress;
        _uriPrefix = _initURIPrefix;
        DAO = _daoAddress;
        publicPrice = _initialPrice;
    }

    function sendMessage(address to, string calldata uri) external {
        if (publicPrice > 0) {
            IERC20 utilityTokenInterface = IERC20(_utilityTokenAddress);
            utilityTokenInterface.transferFrom(_msgSender(), DAO, publicPrice);
        }
        uint256 nextTokenId = _getNextTokenId();
        _mint(to, nextTokenId);
        _setTokenURI(nextTokenId, uri);
        _incrementTokenId();
    }

    function _baseURI() internal view virtual override returns (string memory) {
        return _uriPrefix;
    }

    function destroyMessage(uint256 tokenId) external {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "DONT_OWN_MESSAGE");
        _burn(tokenId);
    }

    function _getNextTokenId() private view returns (uint256) {
        return _currentTokenId + 1;
    }

    function _incrementTokenId() private {
        _currentTokenId++;
    }

    // need to specify in units of 1e18 
    function setPrice(uint256 _newPrice) external onlyOwner {
        publicPrice = _newPrice;
    }    

    function setDAOaddress(address _newDAO) external onlyOwner {
        DAO = _newDAO;
    }    

    function setUtilityToken(address _newUtilityTokenAddress) external onlyOwner {
        _utilityTokenAddress = _newUtilityTokenAddress;
    }    

    function setURIPrefix(string calldata _newURIPrefix) external onlyOwner {
        _uriPrefix = _newURIPrefix;
    }
}

// SPDX-License-Identifier: MIT

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 {
        require(operator != _msgSender(), "ERC721: approve to caller");

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_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 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

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() {
        _setOwner(_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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../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

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

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

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

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

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

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

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);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 2500
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_beginUilityTokenAddress","type":"address"},{"internalType":"address","name":"_daoAddress","type":"address"},{"internalType":"uint256","name":"_initialPrice","type":"uint256"},{"internalType":"string","name":"_initURIPrefix","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"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":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":"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":"DAO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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":"destroyMessage","outputs":[],"stateMutability":"nonpayable","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":[],"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":[],"name":"publicPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":"to","type":"address"},{"internalType":"string","name":"uri","type":"string"}],"name":"sendMessage","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":"address","name":"_newDAO","type":"address"}],"name":"setDAOaddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newPrice","type":"uint256"}],"name":"setPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newURIPrefix","type":"string"}],"name":"setURIPrefix","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newUtilityTokenAddress","type":"address"}],"name":"setUtilityToken","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":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"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"}]

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

000000000000000000000000810f86eb43ccaacd401ef50dfab87945a514f9cf00000000000000000000000096f47d56f25d2ba629db1f55db0517dee67640e1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000007697066733a2f2f00000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _beginUilityTokenAddress (address): 0x810F86eb43CcAacd401EF50DFab87945A514F9CF
Arg [1] : _daoAddress (address): 0x96f47d56F25D2bA629db1F55db0517deE67640e1
Arg [2] : _initialPrice (uint256): 0
Arg [3] : _initURIPrefix (string): ipfs://

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000810f86eb43ccaacd401ef50dfab87945a514f9cf
Arg [1] : 00000000000000000000000096f47d56f25d2ba629db1f55db0517dee67640e1
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [5] : 697066733a2f2f00000000000000000000000000000000000000000000000000