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: Unlicense
pragma solidity ^0.8.0;

import "./Metadata.sol";
import "./Controller.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/*

----------------------------------------------------------------------------------------------------

                                                      (                                              
                                                                                                   
        ==-.-               CABLE        
                                                                                           
                                                     t                  ~¬`        ` ~              
  `{¬                                         .      =`                                             
       >²~-,-               Ç       `¬¬ ^`  `ⁿm⌐╙▀║▄,  ╤¬¬                                          
,,,,,,,,,,,,╠▄,,                   ,  ,╓µ#@▓▄▄▄▄▓-╙                                         .'   ,, 
╠╬╬╬╬╬╬╬╠╬╣╬▒╬╩▌              ╓▄▄▓▓█╣╣╢╠╢╣╝╜╙╠░`' .▄≈    ╒¬─ⁿ                         - ô  ,▄▓╬╬╬╬╬L
           -`└▐╟▄            ╩╙╙Ñ└└└       " ▒╬▀^"`'└▀███▄╓e                       <Q▄ ,▄▀▀╠╜╙      
.      ╓#╝²"╠≈^  .         ,█▓╢>▒           ⌠▓─           '%   "╖╖,                ╓╣╬╠╣▌^ /    ` ~ 
ⁿ"^^^║╚,─^          -,   ]½ç-╣Σ▓╦,"╦       ,▓               ▀    ,╫█▀╗     b     ██▀▀╩└ └ ╧  ,,╓-»= 
   ,`/                  ⌠- ╩ª▀╙≈⌐╚¼,\╙╖   . ╣                 ²▀╟▌   ╟▄ {=≡▌╠² .█╬╜%µ ,≈M╙╙--.      
  ƒ^,'                   ..#         ╙%╙µ    ╙▒ε╗╗█wε          ▄╩     ╜▀█▒╢▀└▀╟▀┘` ═╠,      `       
«/;'                      ╠            ╙╟▓ ─     ~ ╘m        N╚─¬    `,       └╩¥K╦.░^"╕  τⁿ~`      
,╓~      ,                 ∩τ          -╬╬        ' ╠        [``              '     '^    "-, ▐   / 
,²,  ─¬ .                   │`[       ,▄╩           ╠        │  /¬¬         .  └  '         │] ,⌐^Γ 
                             ╘       ╩^              %    ┌═ⁿ~¬                 ╚           ╟▀«",¬  
                             ;    ""`                  ~⌐`                       `¬¬¬¬¬~  ,┘`"¬¬~~  
                             `                                                               ¬   '  
                              .                                                                     



----------------------------------------------------------------------------------------------------
  
      
By Joan Heemskerk
Presented by Folia.app
                                    
*/

/// @title CABLE
/// @notice https://cable.folia.app
/// @author @okwme / okw.me, artwork by @joanheemskerk / https://w3b4.net/cable-/
/// @dev standard 721 token and permissions for Minting and Metadata as controlled by external contracts

contract Cable is ERC721Enumerable, Ownable, ERC2981 {
  address public controller;
  address public metadata;
  uint256 public constant MAX_SUPPLY = 545;

  constructor(address controller_, address metadata_) ERC721("Cable", "CBL") {
    controller = controller_;
    metadata = metadata_;
    _setDefaultRoyalty(Controller(controller).splitter(), 1000); // 10%
  }

  /// @dev overwrites the tokenURI function from ERC721 Solmate
  /// @param id the id of the NFT
  function tokenURI(uint256 id) public view override returns (string memory) {
    return Metadata(metadata).getMetadata(id);
  }

  /// @dev mint token
  /// @param recipient the recipient of the NFT
  function mint(address recipient) public {
    require(msg.sender == controller, "NOT CONTROLLER");
    uint256 tokenId = totalSupply() + 1;
    require(tokenId <= MAX_SUPPLY, "MAX SUPPLY REACHED");
    _safeMint(recipient, tokenId);
  }

  function setController(address controller_) public onlyOwner {
    controller = controller_;
  }

  function setMetadata(address metadata_) public onlyOwner {
    metadata = metadata_;
  }

  function setRoyaltyPercentage(address royaltyReceiver, uint96 royaltyPercentage) public onlyOwner {
    _setDefaultRoyalty(royaltyReceiver, royaltyPercentage);
  }

  /**
   * @dev See {IERC165-supportsInterface}.
   */
  function supportsInterface(
    bytes4 interfaceId
  ) public view virtual override(ERC2981, ERC721Enumerable) returns (bool) {
    return
      interfaceId == type(IERC721Enumerable).interfaceId ||
      interfaceId == type(IERC2981).interfaceId ||
      super.supportsInterface(interfaceId);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        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 (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981 is IERC165 {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/common/ERC2981.sol)

pragma solidity ^0.8.0;

import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of the NFT Royalty Standard, a standardized way to retrieve royalty payment information.
 *
 * Royalty information can be specified globally for all token ids via {_setDefaultRoyalty}, and/or individually for
 * specific token ids via {_setTokenRoyalty}. The latter takes precedence over the first.
 *
 * Royalty is specified as a fraction of sale price. {_feeDenominator} is overridable but defaults to 10000, meaning the
 * fee is specified in basis points by default.
 *
 * IMPORTANT: ERC-2981 only specifies a way to signal royalty information and does not enforce its payment. See
 * https://eips.ethereum.org/EIPS/eip-2981#optional-royalty-payments[Rationale] in the EIP. Marketplaces are expected to
 * voluntarily pay royalties together with sales, but note that this standard is not yet widely supported.
 *
 * _Available since v4.5._
 */
abstract contract ERC2981 is IERC2981, ERC165 {
    struct RoyaltyInfo {
        address receiver;
        uint96 royaltyFraction;
    }

    RoyaltyInfo private _defaultRoyaltyInfo;
    mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
        return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC2981
     */
    function royaltyInfo(uint256 _tokenId, uint256 _salePrice) public view virtual override returns (address, uint256) {
        RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];

        if (royalty.receiver == address(0)) {
            royalty = _defaultRoyaltyInfo;
        }

        uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();

        return (royalty.receiver, royaltyAmount);
    }

    /**
     * @dev The denominator with which to interpret the fee set in {_setTokenRoyalty} and {_setDefaultRoyalty} as a
     * fraction of the sale price. Defaults to 10000 so fees are expressed in basis points, but may be customized by an
     * override.
     */
    function _feeDenominator() internal pure virtual returns (uint96) {
        return 10000;
    }

    /**
     * @dev Sets the royalty information that all ids in this contract will default to.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: invalid receiver");

        _defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Removes default royalty information.
     */
    function _deleteDefaultRoyalty() internal virtual {
        delete _defaultRoyaltyInfo;
    }

    /**
     * @dev Sets the royalty information for a specific token id, overriding the global default.
     *
     * Requirements:
     *
     * - `receiver` cannot be the zero address.
     * - `feeNumerator` cannot be greater than the fee denominator.
     */
    function _setTokenRoyalty(
        uint256 tokenId,
        address receiver,
        uint96 feeNumerator
    ) internal virtual {
        require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
        require(receiver != address(0), "ERC2981: Invalid parameters");

        _tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
    }

    /**
     * @dev Resets royalty information for the token id back to the global default.
     */
    function _resetTokenRoyalty(uint256 tokenId) internal virtual {
        delete _tokenRoyaltyInfo[tokenId];
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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: address zero is not a valid owner");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _ownerOf(tokenId);
        require(owner != address(0), "ERC721: invalid token ID");
        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) {
        _requireMinted(tokenId);

        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 overridden 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 token owner or approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        _requireMinted(tokenId);

        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: caller is not token owner or 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: caller is not token owner or 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 the owner of the `tokenId`. Does NOT revert if token doesn't exist
     */
    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {
        return _owners[tokenId];
    }

    /**
     * @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 _ownerOf(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) {
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1);

        // Check that tokenId was not minted by `_beforeTokenTransfer` hook
        require(!_exists(tokenId), "ERC721: token already minted");

        unchecked {
            // Will not overflow unless all 2**256 token ids are minted to the same owner.
            // Given that tokens are minted one by one, it is impossible in practice that
            // this ever happens. Might change if we allow batch minting.
            // The ERC fails to describe this case.
            _balances[to] += 1;
        }

        _owners[tokenId] = to;

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

        _afterTokenTransfer(address(0), to, tokenId, 1);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     * This is an internal function that does not check if the sender is authorized to operate on the token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId, 1);

        // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook
        owner = ERC721.ownerOf(tokenId);

        // Clear approvals
        delete _tokenApprovals[tokenId];

        unchecked {
            // Cannot overflow, as that would require more tokens to be burned/transferred
            // out than the owner initially received through minting and transferring in.
            _balances[owner] -= 1;
        }
        delete _owners[tokenId];

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

        _afterTokenTransfer(owner, address(0), tokenId, 1);
    }

    /**
     * @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 from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId, 1);

        // Check that tokenId was not transferred by `_beforeTokenTransfer` hook
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");

        // Clear approvals from the previous owner
        delete _tokenApprovals[tokenId];

        unchecked {
            // `_balances[from]` cannot overflow for the same reason as described in `_burn`:
            // `from`'s balance is the number of token held, which is at least one before the current
            // transfer.
            // `_balances[to]` could overflow in the conditions described in `_mint`. That would require
            // all 2**256 token ids to be minted, which in practice is impossible.
            _balances[from] -= 1;
            _balances[to] += 1;
        }
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId, 1);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits an {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 an {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 Reverts if the `tokenId` has not been minted yet.
     */
    function _requireMinted(uint256 tokenId) internal view virtual {
        require(_exists(tokenId), "ERC721: invalid token ID");
    }

    /**
     * @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 {
                    /// @solidity memory-safe-assembly
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.
     * - When `from` is zero, the tokens will be minted for `to`.
     * - When `to` is zero, ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256, /* firstTokenId */
        uint256 batchSize
    ) internal virtual {
        if (batchSize > 1) {
            if (from != address(0)) {
                _balances[from] -= batchSize;
            }
            if (to != address(0)) {
                _balances[to] += batchSize;
            }
        }
    }

    /**
     * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is
     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.
     * - When `from` is zero, the tokens were minted for `to`.
     * - When `to` is zero, ``from``'s tokens were burned.
     * - `from` and `to` are never both zero.
     * - `batchSize` is non-zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 See {ERC721-_beforeTokenTransfer}.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 firstTokenId,
        uint256 batchSize
    ) internal virtual override {
        super._beforeTokenTransfer(from, to, firstTokenId, batchSize);

        if (batchSize > 1) {
            // Will only trigger during construction. Batch transferring (minting) is not available afterwards.
            revert("ERC721Enumerable: consecutive transfers not supported");
        }

        uint256 tokenId = firstTokenId;

        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 (last updated v4.5.0) (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);

    /**
     * @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 v4.4.1 (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 (last updated v4.8.0) (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`.
     *
     * 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;

    /**
     * @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 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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * 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 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 the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

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

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = Math.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.log256(value) + 1);
        }
    }

    /**
     * @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] = _SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0;

/// @title Base64
/// @author Brecht Devos - <[email protected]>
/// @notice Provides functions for encoding/decoding base64
library Base64 {
    string internal constant TABLE_ENCODE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
    bytes  internal constant TABLE_DECODE = hex"0000000000000000000000000000000000000000000000000000000000000000"
                                            hex"00000000000000000000003e0000003f3435363738393a3b3c3d000000000000"
                                            hex"00000102030405060708090a0b0c0d0e0f101112131415161718190000000000"
                                            hex"001a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132330000000000";

    function encode(bytes memory data) internal pure returns (string memory) {
        if (data.length == 0) return '';

        // load the table into memory
        string memory table = TABLE_ENCODE;

        // multiply by 4/3 rounded up
        uint256 encodedLen = 4 * ((data.length + 2) / 3);

        // add some extra buffer at the end required for the writing
        string memory result = new string(encodedLen + 32);

        assembly {
            // set the actual output length
            mstore(result, encodedLen)

            // prepare the lookup table
            let tablePtr := add(table, 1)

            // input ptr
            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            // result ptr, jump over length
            let resultPtr := add(result, 32)

            // run over the input, 3 bytes at a time
            for {} lt(dataPtr, endPtr) {}
            {
                // read 3 bytes
                dataPtr := add(dataPtr, 3)
                let input := mload(dataPtr)

                // write 4 characters
                mstore8(resultPtr, mload(add(tablePtr, and(shr(18, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(shr(12, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(shr( 6, input), 0x3F))))
                resultPtr := add(resultPtr, 1)
                mstore8(resultPtr, mload(add(tablePtr, and(        input,  0x3F))))
                resultPtr := add(resultPtr, 1)
            }

            // padding with '='
            switch mod(mload(data), 3)
            case 1 { mstore(sub(resultPtr, 2), shl(240, 0x3d3d)) }
            case 2 { mstore(sub(resultPtr, 1), shl(248, 0x3d)) }
        }

        return result;
    }

    function decode(string memory _data) internal pure returns (bytes memory) {
        bytes memory data = bytes(_data);

        if (data.length == 0) return new bytes(0);
        require(data.length % 4 == 0, "invalid base64 decoder input");

        // load the table into memory
        bytes memory table = TABLE_DECODE;

        // every 4 characters represent 3 bytes
        uint256 decodedLen = (data.length / 4) * 3;

        // add some extra buffer at the end required for the writing
        bytes memory result = new bytes(decodedLen + 32);

        assembly {
            // padding with '='
            let lastBytes := mload(add(data, mload(data)))
            if eq(and(lastBytes, 0xFF), 0x3d) {
                decodedLen := sub(decodedLen, 1)
                if eq(and(lastBytes, 0xFFFF), 0x3d3d) {
                    decodedLen := sub(decodedLen, 1)
                }
            }

            // set the actual output length
            mstore(result, decodedLen)

            // prepare the lookup table
            let tablePtr := add(table, 1)

            // input ptr
            let dataPtr := data
            let endPtr := add(dataPtr, mload(data))

            // result ptr, jump over length
            let resultPtr := add(result, 32)

            // run over the input, 4 characters at a time
            for {} lt(dataPtr, endPtr) {}
            {
               // read 4 characters
               dataPtr := add(dataPtr, 4)
               let input := mload(dataPtr)

               // write 3 bytes
               let output := add(
                   add(
                       shl(18, and(mload(add(tablePtr, and(shr(24, input), 0xFF))), 0xFF)),
                       shl(12, and(mload(add(tablePtr, and(shr(16, input), 0xFF))), 0xFF))),
                   add(
                       shl( 6, and(mload(add(tablePtr, and(shr( 8, input), 0xFF))), 0xFF)),
                               and(mload(add(tablePtr, and(        input , 0xFF))), 0xFF)
                    )
                )
                mstore(resultPtr, shl(232, output))
                resultPtr := add(resultPtr, 3)
            }
        }

        return result;
    }
}

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

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

interface iCable {
  function mint(address recipient) external;
}

/// @title CABLE Controller
/// @notice https://cable.folia.app
/// @author @okwme / okw.me, artwork by @joanheemskerk / https://w3b4.net/cable-/
/// @dev managing the mint and payments

contract Controller is Ownable {
  bool public paused;
  address public cable;
  address public splitter;
  uint256 public price = 0.111111111111111111 ether;

  event EthMoved(address indexed to, bool indexed success, bytes returnData);

  constructor(address payable splitter_) {
    splitter = splitter_;
  }

  // @dev Throws if called before the cable address is set.
  modifier initialized() {
    require(cable != address(0), "NO CABLE");
    require(splitter != address(0), "NO SPLIT");
    _;
  }

  /// @dev mints cables
  function mint() public payable initialized {
    require(!paused, "PAUSED");
    require(msg.value == price, "WRONG PRICE");
    (bool sent, bytes memory data) = splitter.call{value: msg.value}("");
    emit EthMoved(msg.sender, sent, data);
    iCable(cable).mint(msg.sender);
  }

  /// @dev only the owner can set the splitter address
  function setSplitter(address splitter_) public onlyOwner {
    splitter = splitter_;
  }

  /// @dev only the owner can set the cable address
  function setCable(address cable_) public onlyOwner {
    cable = cable_;
  }

  /// @dev only the owner can set the contract paused
  function setPause(bool paused_) public onlyOwner {
    paused = paused_;
  }

  function setPrice(uint256 price_) public onlyOwner {
    price = price_;
  }

  /// @dev only the owner can mint without paying
  function adminMint(address recipient) public initialized onlyOwner {
    iCable(cable).mint(recipient);
  }

  /// @dev if mint fails to send eth to splitter, admin can recover
  // This should not be necessary but Berlin hardfork broke split before so this
  // is extra precaution. Also allows recovery if users accidentally send eth
  // straight to the contract.
  function recoverUnsuccessfulMintPayment(address payable _to) public onlyOwner {
    (bool sent, bytes memory data) = _to.call{value: address(this).balance}("");
    emit EthMoved(_to, sent, data);
  }
}

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

import "base64-sol/base64.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "./Cable.sol";

/// @title CABLE Metadata
/// @notice https://cable.folia.app
/// @author @okwme / okw.me, artwork by @joanheemskerk / https://w3b4.net/cable-/
/// @dev Generates the metadata as JSON String and encodes it with base64 and data:application/json;base64,

contract Metadata is Ownable {
  string[17] internal regions = [
    "Africa - Asia",
    "Asia - Australia",
    "Europe - Africa",
    "Europe - Africa - Asia",
    "Europe - Asia",
    "Intra - Africa",
    "Intra - Asia",
    "Intra - Australia",
    "Intra - Europe",
    "Intra - North Americas",
    "Intra - South Americas",
    "North - South Americas",
    "Trans - Indian Ocean",
    "Trans - North Atlantic",
    "Trans - North Pacific",
    "Trans - South Atlantic",
    "Trans - South Pacific"
  ];
  // note: redundant cableId is necessary to ensure correct order on upload in case some fail in the process
  struct CableData {
    uint256 cableId;
    uint256 regionIndex;
    string name;
    string path;
    uint256 length;
  }
  mapping(uint256 => CableData) internal cables;
  uint256 public totalCables;

  constructor() {}

  function addCables(CableData[] memory cables_) public onlyOwner {
    if (cables_.length > 0) {
      require(cables[cables_[0].cableId].cableId == 0, "ALREADY ADDED THIS CHUNK");
    } else {
      revert("NO CABLES");
    }
    for (uint256 i = 0; i < cables_.length; i++) {
      cables[cables_[i].cableId] = cables_[i];
      totalCables += 1;
    }
  }

  function updateCables(CableData[] memory cables_) public onlyOwner {
    for (uint256 i = 0; i < cables_.length; i++) {
      cables[cables_[i].cableId] = cables_[i];
      totalCables += 1;
    }
  }

  function getCable(
    uint256 tokenId
  ) public view existsModifier(tokenId) returns (uint256 regionIndex, string memory name, string memory path) {
    CableData memory cable = cables[tokenId];
    return (cable.regionIndex, cable.name, cable.path);
  }

  /**
   * @dev Throws if id doesn't exist
   */
  modifier existsModifier(uint256 id) {
    require(exists(id), "DOES NOT EXIST");
    _;
  }

  function exists(uint256 id) public view returns (bool) {
    return Cable(cableAddress).ownerOf(id) != address(0);
  }

  address cableAddress;

  function setCable(address cableAddress_) public onlyOwner {
    cableAddress = cableAddress_;
  }

  /// @dev generates the metadata
  /// @param tokenId the tokenId
  function getMetadata(uint256 tokenId) public view existsModifier(tokenId) returns (string memory) {
    return
      string(
        abi.encodePacked(
          "data:application/json;base64,",
          Base64.encode(
            abi.encodePacked(
              '{"name":"',
              getName(tokenId),
              '", "description": "The world\'s Submarine Cable System, expressed as 545 on-chain, .SVG-animations by artist Joan Heemskerk (JODI) ~ presented by folia.", "image": "',
              getSVG(tokenId),
              '",',
              '"attributes": ',
              getAttributes(tokenId),
              "}"
            )
          )
        )
      );
  }

  /// @dev generates the Name as a string
  /// @param tokenId the tokenId
  function getName(uint256 tokenId) internal view existsModifier(tokenId) returns (string memory) {
    return cables[tokenId].name;
  }

  /// @dev function to generate a SVG String
  function getSVG(uint256 tokenId) public view existsModifier(tokenId) returns (string memory) {
    return
      string(
        abi.encodePacked(
          "data:image/svg+xml;base64,",
          Base64.encode(
            abi.encodePacked(
              '<?xml version="1.0" encoding="utf-8"?> <svg xmlns="http://www.w3.org/2000/svg"  height="100%" width="100%" viewBox="0 0 600 600" style="background: #ffffff;" preserveAspectRatio="meet"><style>.name {fill: #000000;font-size: 14px;font-family: "Verdana",sans-serif;}path{fill: none;stroke: #000000;stroke-width: 100;stroke-dasharray: 1;animation: dash 1s linear infinite;}@keyframes dash { to {stroke-dashoffset: 100;}}</style>',
              getPath(tokenId),
              '<text x="50" y="550" class="name">',
              getName(tokenId),
              "</text></svg>"
            )
          )
        )
      );
  }

  function getPath(uint256 tokenId) internal view returns (string memory) {
    return cables[tokenId].path;
  }

  function updateCable(
    uint256 tokenId,
    uint256 regionIndex,
    string memory path,
    string memory name,
    uint256 length
  ) public onlyOwner {
    cables[tokenId].regionIndex = regionIndex;
    cables[tokenId].path = path;
    cables[tokenId].name = name;
    cables[tokenId].length = length;
  }

  /// @dev generates the attributes as JSON String
  function getAttributes(uint256 tokenId) internal view returns (string memory) {
    return
      string(
        abi.encodePacked(
          "[",
          '{"trait_type":"Region","value":"',
          regions[cables[tokenId].regionIndex],
          '"}, {"trait_type":"Length","value":"',
          Strings.toString(cables[tokenId].length),
          'km"}]'
        )
      );
  }
}

{
  "viaIR": false,
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"controller_","type":"address"},{"internalType":"address","name":"metadata_","type":"address"}],"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":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[],"name":"controller","outputs":[{"internalType":"address","name":"","type":"address"}],"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":[],"name":"metadata","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"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":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"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":"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":"address","name":"controller_","type":"address"}],"name":"setController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"metadata_","type":"address"}],"name":"setMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"royaltyReceiver","type":"address"},{"internalType":"uint96","name":"royaltyPercentage","type":"uint96"}],"name":"setRoyaltyPercentage","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":"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":"id","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"}]

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

000000000000000000000000fa18625cf80c124f9568e809bf1bd8ee726c7c4a0000000000000000000000002866cc345c36731e7106db90798fd50841226c68

-----Decoded View---------------
Arg [0] : controller_ (address): 0xfa18625CF80c124f9568e809BF1BD8Ee726C7C4a
Arg [1] : metadata_ (address): 0x2866cc345C36731E7106DB90798FD50841226c68

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000fa18625cf80c124f9568e809bf1bd8ee726c7c4a
Arg [1] : 0000000000000000000000002866cc345c36731e7106db90798fd50841226c68