creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "@openzeppelin/contracts/access/Ownable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby disabling any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
      },
      "@openzeppelin/contracts/security/Pausable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which allows children to implement an emergency stop\n * mechanism that can be triggered by an authorized account.\n *\n * This module is used through inheritance. It will make available the\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\n * the functions of your contract. Note that they will not be pausable by\n * simply including this module, only once the modifiers are put in place.\n */\nabstract contract Pausable is Context {\n    /**\n     * @dev Emitted when the pause is triggered by `account`.\n     */\n    event Paused(address account);\n\n    /**\n     * @dev Emitted when the pause is lifted by `account`.\n     */\n    event Unpaused(address account);\n\n    bool private _paused;\n\n    /**\n     * @dev Initializes the contract in unpaused state.\n     */\n    constructor() {\n        _paused = false;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is not paused.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    modifier whenNotPaused() {\n        _requireNotPaused();\n        _;\n    }\n\n    /**\n     * @dev Modifier to make a function callable only when the contract is paused.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    modifier whenPaused() {\n        _requirePaused();\n        _;\n    }\n\n    /**\n     * @dev Returns true if the contract is paused, and false otherwise.\n     */\n    function paused() public view virtual returns (bool) {\n        return _paused;\n    }\n\n    /**\n     * @dev Throws if the contract is paused.\n     */\n    function _requireNotPaused() internal view virtual {\n        require(!paused(), \"Pausable: paused\");\n    }\n\n    /**\n     * @dev Throws if the contract is not paused.\n     */\n    function _requirePaused() internal view virtual {\n        require(paused(), \"Pausable: not paused\");\n    }\n\n    /**\n     * @dev Triggers stopped state.\n     *\n     * Requirements:\n     *\n     * - The contract must not be paused.\n     */\n    function _pause() internal virtual whenNotPaused {\n        _paused = true;\n        emit Paused(_msgSender());\n    }\n\n    /**\n     * @dev Returns to normal state.\n     *\n     * Requirements:\n     *\n     * - The contract must be paused.\n     */\n    function _unpause() internal virtual whenPaused {\n        _paused = false;\n        emit Unpaused(_msgSender());\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC721/ERC721.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/ERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"./extensions/IERC721Metadata.sol\";\nimport \"../../utils/Address.sol\";\nimport \"../../utils/Context.sol\";\nimport \"../../utils/Strings.sol\";\nimport \"../../utils/introspection/ERC165.sol\";\n\n/**\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\n * the Metadata extension, but not including the Enumerable extension, which is available separately as\n * {ERC721Enumerable}.\n */\ncontract ERC721 is Context, ERC165, IERC721, IERC721Metadata {\n    using Address for address;\n    using Strings for uint256;\n\n    // Token name\n    string private _name;\n\n    // Token symbol\n    string private _symbol;\n\n    // Mapping from token ID to owner address\n    mapping(uint256 => address) private _owners;\n\n    // Mapping owner address to token count\n    mapping(address => uint256) private _balances;\n\n    // Mapping from token ID to approved address\n    mapping(uint256 => address) private _tokenApprovals;\n\n    // Mapping from owner to operator approvals\n    mapping(address => mapping(address => bool)) private _operatorApprovals;\n\n    /**\n     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {\n        return\n            interfaceId == type(IERC721).interfaceId ||\n            interfaceId == type(IERC721Metadata).interfaceId ||\n            super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev See {IERC721-balanceOf}.\n     */\n    function balanceOf(address owner) public view virtual override returns (uint256) {\n        require(owner != address(0), \"ERC721: address zero is not a valid owner\");\n        return _balances[owner];\n    }\n\n    /**\n     * @dev See {IERC721-ownerOf}.\n     */\n    function ownerOf(uint256 tokenId) public view virtual override returns (address) {\n        address owner = _ownerOf(tokenId);\n        require(owner != address(0), \"ERC721: invalid token ID\");\n        return owner;\n    }\n\n    /**\n     * @dev See {IERC721Metadata-name}.\n     */\n    function name() public view virtual override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev See {IERC721Metadata-symbol}.\n     */\n    function symbol() public view virtual override returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev See {IERC721Metadata-tokenURI}.\n     */\n    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {\n        _requireMinted(tokenId);\n\n        string memory baseURI = _baseURI();\n        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : \"\";\n    }\n\n    /**\n     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n     * by default, can be overridden in child contracts.\n     */\n    function _baseURI() internal view virtual returns (string memory) {\n        return \"\";\n    }\n\n    /**\n     * @dev See {IERC721-approve}.\n     */\n    function approve(address to, uint256 tokenId) public virtual override {\n        address owner = ERC721.ownerOf(tokenId);\n        require(to != owner, \"ERC721: approval to current owner\");\n\n        require(\n            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),\n            \"ERC721: approve caller is not token owner or approved for all\"\n        );\n\n        _approve(to, tokenId);\n    }\n\n    /**\n     * @dev See {IERC721-getApproved}.\n     */\n    function getApproved(uint256 tokenId) public view virtual override returns (address) {\n        _requireMinted(tokenId);\n\n        return _tokenApprovals[tokenId];\n    }\n\n    /**\n     * @dev See {IERC721-setApprovalForAll}.\n     */\n    function setApprovalForAll(address operator, bool approved) public virtual override {\n        _setApprovalForAll(_msgSender(), operator, approved);\n    }\n\n    /**\n     * @dev See {IERC721-isApprovedForAll}.\n     */\n    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {\n        return _operatorApprovals[owner][operator];\n    }\n\n    /**\n     * @dev See {IERC721-transferFrom}.\n     */\n    function transferFrom(address from, address to, uint256 tokenId) public virtual override {\n        //solhint-disable-next-line max-line-length\n        require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner or approved\");\n\n        _transfer(from, to, tokenId);\n    }\n\n    /**\n     * @dev See {IERC721-safeTransferFrom}.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId) public virtual override {\n        safeTransferFrom(from, to, tokenId, \"\");\n    }\n\n    /**\n     * @dev See {IERC721-safeTransferFrom}.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual override {\n        require(_isApprovedOrOwner(_msgSender(), tokenId), \"ERC721: caller is not token owner or approved\");\n        _safeTransfer(from, to, tokenId, data);\n    }\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n     *\n     * `data` is additional data, it has no specified format and it is sent in call to `to`.\n     *\n     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.\n     * implement alternative mechanisms to perform token transfer, such as signature-based.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual {\n        _transfer(from, to, tokenId);\n        require(_checkOnERC721Received(from, to, tokenId, data), \"ERC721: transfer to non ERC721Receiver implementer\");\n    }\n\n    /**\n     * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist\n     */\n    function _ownerOf(uint256 tokenId) internal view virtual returns (address) {\n        return _owners[tokenId];\n    }\n\n    /**\n     * @dev Returns whether `tokenId` exists.\n     *\n     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n     *\n     * Tokens start existing when they are minted (`_mint`),\n     * and stop existing when they are burned (`_burn`).\n     */\n    function _exists(uint256 tokenId) internal view virtual returns (bool) {\n        return _ownerOf(tokenId) != address(0);\n    }\n\n    /**\n     * @dev Returns whether `spender` is allowed to manage `tokenId`.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {\n        address owner = ERC721.ownerOf(tokenId);\n        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);\n    }\n\n    /**\n     * @dev Safely mints `tokenId` and transfers it to `to`.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must not exist.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _safeMint(address to, uint256 tokenId) internal virtual {\n        _safeMint(to, tokenId, \"\");\n    }\n\n    /**\n     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is\n     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.\n     */\n    function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual {\n        _mint(to, tokenId);\n        require(\n            _checkOnERC721Received(address(0), to, tokenId, data),\n            \"ERC721: transfer to non ERC721Receiver implementer\"\n        );\n    }\n\n    /**\n     * @dev Mints `tokenId` and transfers it to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible\n     *\n     * Requirements:\n     *\n     * - `tokenId` must not exist.\n     * - `to` cannot be the zero address.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _mint(address to, uint256 tokenId) internal virtual {\n        require(to != address(0), \"ERC721: mint to the zero address\");\n        require(!_exists(tokenId), \"ERC721: token already minted\");\n\n        _beforeTokenTransfer(address(0), to, tokenId, 1);\n\n        // Check that tokenId was not minted by `_beforeTokenTransfer` hook\n        require(!_exists(tokenId), \"ERC721: token already minted\");\n\n        unchecked {\n            // Will not overflow unless all 2**256 token ids are minted to the same owner.\n            // Given that tokens are minted one by one, it is impossible in practice that\n            // this ever happens. Might change if we allow batch minting.\n            // The ERC fails to describe this case.\n            _balances[to] += 1;\n        }\n\n        _owners[tokenId] = to;\n\n        emit Transfer(address(0), to, tokenId);\n\n        _afterTokenTransfer(address(0), to, tokenId, 1);\n    }\n\n    /**\n     * @dev Destroys `tokenId`.\n     * The approval is cleared when the token is burned.\n     * This is an internal function that does not check if the sender is authorized to operate on the token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _burn(uint256 tokenId) internal virtual {\n        address owner = ERC721.ownerOf(tokenId);\n\n        _beforeTokenTransfer(owner, address(0), tokenId, 1);\n\n        // Update ownership in case tokenId was transferred by `_beforeTokenTransfer` hook\n        owner = ERC721.ownerOf(tokenId);\n\n        // Clear approvals\n        delete _tokenApprovals[tokenId];\n\n        unchecked {\n            // Cannot overflow, as that would require more tokens to be burned/transferred\n            // out than the owner initially received through minting and transferring in.\n            _balances[owner] -= 1;\n        }\n        delete _owners[tokenId];\n\n        emit Transfer(owner, address(0), tokenId);\n\n        _afterTokenTransfer(owner, address(0), tokenId, 1);\n    }\n\n    /**\n     * @dev Transfers `tokenId` from `from` to `to`.\n     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     *\n     * Emits a {Transfer} event.\n     */\n    function _transfer(address from, address to, uint256 tokenId) internal virtual {\n        require(ERC721.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n        require(to != address(0), \"ERC721: transfer to the zero address\");\n\n        _beforeTokenTransfer(from, to, tokenId, 1);\n\n        // Check that tokenId was not transferred by `_beforeTokenTransfer` hook\n        require(ERC721.ownerOf(tokenId) == from, \"ERC721: transfer from incorrect owner\");\n\n        // Clear approvals from the previous owner\n        delete _tokenApprovals[tokenId];\n\n        unchecked {\n            // `_balances[from]` cannot overflow for the same reason as described in `_burn`:\n            // `from`'s balance is the number of token held, which is at least one before the current\n            // transfer.\n            // `_balances[to]` could overflow in the conditions described in `_mint`. That would require\n            // all 2**256 token ids to be minted, which in practice is impossible.\n            _balances[from] -= 1;\n            _balances[to] += 1;\n        }\n        _owners[tokenId] = to;\n\n        emit Transfer(from, to, tokenId);\n\n        _afterTokenTransfer(from, to, tokenId, 1);\n    }\n\n    /**\n     * @dev Approve `to` to operate on `tokenId`\n     *\n     * Emits an {Approval} event.\n     */\n    function _approve(address to, uint256 tokenId) internal virtual {\n        _tokenApprovals[tokenId] = to;\n        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);\n    }\n\n    /**\n     * @dev Approve `operator` to operate on all of `owner` tokens\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {\n        require(owner != operator, \"ERC721: approve to caller\");\n        _operatorApprovals[owner][operator] = approved;\n        emit ApprovalForAll(owner, operator, approved);\n    }\n\n    /**\n     * @dev Reverts if the `tokenId` has not been minted yet.\n     */\n    function _requireMinted(uint256 tokenId) internal view virtual {\n        require(_exists(tokenId), \"ERC721: invalid token ID\");\n    }\n\n    /**\n     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n     * The call is not executed if the target address is not a contract.\n     *\n     * @param from address representing the previous owner of the given token ID\n     * @param to target address that will receive the tokens\n     * @param tokenId uint256 ID of the token to be transferred\n     * @param data bytes optional data to send along with the call\n     * @return bool whether the call correctly returned the expected magic value\n     */\n    function _checkOnERC721Received(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes memory data\n    ) private returns (bool) {\n        if (to.isContract()) {\n            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) {\n                return retval == IERC721Receiver.onERC721Received.selector;\n            } catch (bytes memory reason) {\n                if (reason.length == 0) {\n                    revert(\"ERC721: transfer to non ERC721Receiver implementer\");\n                } else {\n                    /// @solidity memory-safe-assembly\n                    assembly {\n                        revert(add(32, reason), mload(reason))\n                    }\n                }\n            }\n        } else {\n            return true;\n        }\n    }\n\n    /**\n     * @dev Hook that is called before any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n     *\n     * Calling conditions:\n     *\n     * - When `from` and `to` are both non-zero, ``from``'s tokens will be transferred to `to`.\n     * - When `from` is zero, the tokens will be minted for `to`.\n     * - When `to` is zero, ``from``'s tokens will be burned.\n     * - `from` and `to` are never both zero.\n     * - `batchSize` is non-zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _beforeTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}\n\n    /**\n     * @dev Hook that is called after any token transfer. This includes minting and burning. If {ERC721Consecutive} is\n     * used, the hook may be called as part of a consecutive (batch) mint, as indicated by `batchSize` greater than 1.\n     *\n     * Calling conditions:\n     *\n     * - When `from` and `to` are both non-zero, ``from``'s tokens were transferred to `to`.\n     * - When `from` is zero, the tokens were minted for `to`.\n     * - When `to` is zero, ``from``'s tokens were burned.\n     * - `from` and `to` are never both zero.\n     * - `batchSize` is non-zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _afterTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}\n\n    /**\n     * @dev Unsafe write access to the balances, used by extensions that \"mint\" tokens using an {ownerOf} override.\n     *\n     * WARNING: Anyone calling this MUST ensure that the balances remain consistent with the ownership. The invariant\n     * being that for any address `a` the value returned by `balanceOf(a)` must be equal to the number of tokens such\n     * that `ownerOf(tokenId)` is `a`.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function __unsafe_increaseBalance(address account, uint256 amount) internal {\n        _balances[account] += amount;\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../ERC721.sol\";\nimport \"./IERC721Enumerable.sol\";\n\n/**\n * @dev This implements an optional extension of {ERC721} defined in the EIP that adds\n * enumerability of all the token ids in the contract as well as all token ids owned by each\n * account.\n */\nabstract contract ERC721Enumerable is ERC721, IERC721Enumerable {\n    // Mapping from owner to list of owned token IDs\n    mapping(address => mapping(uint256 => uint256)) private _ownedTokens;\n\n    // Mapping from token ID to index of the owner tokens list\n    mapping(uint256 => uint256) private _ownedTokensIndex;\n\n    // Array with all token ids, used for enumeration\n    uint256[] private _allTokens;\n\n    // Mapping from token id to position in the allTokens array\n    mapping(uint256 => uint256) private _allTokensIndex;\n\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {\n        return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.\n     */\n    function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {\n        require(index < ERC721.balanceOf(owner), \"ERC721Enumerable: owner index out of bounds\");\n        return _ownedTokens[owner][index];\n    }\n\n    /**\n     * @dev See {IERC721Enumerable-totalSupply}.\n     */\n    function totalSupply() public view virtual override returns (uint256) {\n        return _allTokens.length;\n    }\n\n    /**\n     * @dev See {IERC721Enumerable-tokenByIndex}.\n     */\n    function tokenByIndex(uint256 index) public view virtual override returns (uint256) {\n        require(index < ERC721Enumerable.totalSupply(), \"ERC721Enumerable: global index out of bounds\");\n        return _allTokens[index];\n    }\n\n    /**\n     * @dev See {ERC721-_beforeTokenTransfer}.\n     */\n    function _beforeTokenTransfer(\n        address from,\n        address to,\n        uint256 firstTokenId,\n        uint256 batchSize\n    ) internal virtual override {\n        super._beforeTokenTransfer(from, to, firstTokenId, batchSize);\n\n        if (batchSize > 1) {\n            // Will only trigger during construction. Batch transferring (minting) is not available afterwards.\n            revert(\"ERC721Enumerable: consecutive transfers not supported\");\n        }\n\n        uint256 tokenId = firstTokenId;\n\n        if (from == address(0)) {\n            _addTokenToAllTokensEnumeration(tokenId);\n        } else if (from != to) {\n            _removeTokenFromOwnerEnumeration(from, tokenId);\n        }\n        if (to == address(0)) {\n            _removeTokenFromAllTokensEnumeration(tokenId);\n        } else if (to != from) {\n            _addTokenToOwnerEnumeration(to, tokenId);\n        }\n    }\n\n    /**\n     * @dev Private function to add a token to this extension's ownership-tracking data structures.\n     * @param to address representing the new owner of the given token ID\n     * @param tokenId uint256 ID of the token to be added to the tokens list of the given address\n     */\n    function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {\n        uint256 length = ERC721.balanceOf(to);\n        _ownedTokens[to][length] = tokenId;\n        _ownedTokensIndex[tokenId] = length;\n    }\n\n    /**\n     * @dev Private function to add a token to this extension's token tracking data structures.\n     * @param tokenId uint256 ID of the token to be added to the tokens list\n     */\n    function _addTokenToAllTokensEnumeration(uint256 tokenId) private {\n        _allTokensIndex[tokenId] = _allTokens.length;\n        _allTokens.push(tokenId);\n    }\n\n    /**\n     * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that\n     * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for\n     * gas optimizations e.g. when performing a transfer operation (avoiding double writes).\n     * This has O(1) time complexity, but alters the order of the _ownedTokens array.\n     * @param from address representing the previous owner of the given token ID\n     * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address\n     */\n    function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {\n        // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and\n        // then delete the last slot (swap and pop).\n\n        uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;\n        uint256 tokenIndex = _ownedTokensIndex[tokenId];\n\n        // When the token to delete is the last token, the swap operation is unnecessary\n        if (tokenIndex != lastTokenIndex) {\n            uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];\n\n            _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token\n            _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index\n        }\n\n        // This also deletes the contents at the last position of the array\n        delete _ownedTokensIndex[tokenId];\n        delete _ownedTokens[from][lastTokenIndex];\n    }\n\n    /**\n     * @dev Private function to remove a token from this extension's token tracking data structures.\n     * This has O(1) time complexity, but alters the order of the _allTokens array.\n     * @param tokenId uint256 ID of the token to be removed from the tokens list\n     */\n    function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {\n        // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and\n        // then delete the last slot (swap and pop).\n\n        uint256 lastTokenIndex = _allTokens.length - 1;\n        uint256 tokenIndex = _allTokensIndex[tokenId];\n\n        // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so\n        // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding\n        // an 'if' statement (like in _removeTokenFromOwnerEnumeration)\n        uint256 lastTokenId = _allTokens[lastTokenIndex];\n\n        _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token\n        _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index\n\n        // This also deletes the contents at the last position of the array\n        delete _allTokensIndex[tokenId];\n        _allTokens.pop();\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Enumerable is IERC721 {\n    /**\n     * @dev Returns the total amount of tokens stored by the contract.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.\n     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.\n     */\n    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);\n\n    /**\n     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.\n     * Use along with {totalSupply} to enumerate all tokens.\n     */\n    function tokenByIndex(uint256 index) external view returns (uint256);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC721.sol\";\n\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n    /**\n     * @dev Returns the token collection name.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the token collection symbol.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n     */\n    function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC721/IERC721.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n    /**\n     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n     */\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n     */\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n    /**\n     * @dev Returns the number of tokens in ``owner``'s account.\n     */\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(address from, address to, uint256 tokenId) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721\n     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must\n     * understand this adds an external call which potentially creates a reentrancy vulnerability.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 tokenId) external;\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n     * The approval is cleared when the token is transferred.\n     *\n     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n     *\n     * Requirements:\n     *\n     * - The caller must own the token or be an approved operator.\n     * - `tokenId` must exist.\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address to, uint256 tokenId) external;\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool approved) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n    /**\n     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n     * by `operator` from `from`, this function is called.\n     *\n     * It must return its Solidity selector to confirm the token transfer.\n     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n     *\n     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n     */\n    function onERC721Received(\n        address operator,\n        address from,\n        uint256 tokenId,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n"
      },
      "@openzeppelin/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     *\n     * Furthermore, `isContract` will also return true if the target contract within\n     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n     * which only has an effect at the end of a transaction.\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n     *\n     * _Available since v4.8._\n     */\n    function verifyCallResultFromTarget(\n        address target,\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        if (success) {\n            if (returndata.length == 0) {\n                // only check isContract if the call was successful and the return data is empty\n                // otherwise we already know that it was a contract\n                require(isContract(target), \"Address: call to non-contract\");\n            }\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason or using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    function _revert(bytes memory returndata, string memory errorMessage) private pure {\n        // Look for revert reason and bubble it up if present\n        if (returndata.length > 0) {\n            // The easiest way to bubble the revert reason is using memory via assembly\n            /// @solidity memory-safe-assembly\n            assembly {\n                let returndata_size := mload(returndata)\n                revert(add(32, returndata), returndata_size)\n            }\n        } else {\n            revert(errorMessage);\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n\n    function _contextSuffixLength() internal view virtual returns (uint256) {\n        return 0;\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/introspection/ERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\n */\nabstract contract ERC165 is IERC165 {\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
      },
      "@openzeppelin/contracts/utils/math/Math.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n    enum Rounding {\n        Down, // Toward negative infinity\n        Up, // Toward infinity\n        Zero // Toward zero\n    }\n\n    /**\n     * @dev Returns the largest of two numbers.\n     */\n    function max(uint256 a, uint256 b) internal pure returns (uint256) {\n        return a > b ? a : b;\n    }\n\n    /**\n     * @dev Returns the smallest of two numbers.\n     */\n    function min(uint256 a, uint256 b) internal pure returns (uint256) {\n        return a < b ? a : b;\n    }\n\n    /**\n     * @dev Returns the average of two numbers. The result is rounded towards\n     * zero.\n     */\n    function average(uint256 a, uint256 b) internal pure returns (uint256) {\n        // (a + b) / 2 can overflow.\n        return (a & b) + (a ^ b) / 2;\n    }\n\n    /**\n     * @dev Returns the ceiling of the division of two numbers.\n     *\n     * This differs from standard division with `/` in that it rounds up instead\n     * of rounding down.\n     */\n    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n        // (a + b - 1) / b can overflow on addition, so we distribute.\n        return a == 0 ? 0 : (a - 1) / b + 1;\n    }\n\n    /**\n     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0\n     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)\n     * with further edits by Uniswap Labs also under MIT license.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {\n        unchecked {\n            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use\n            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n            // variables such that product = prod1 * 2^256 + prod0.\n            uint256 prod0; // Least significant 256 bits of the product\n            uint256 prod1; // Most significant 256 bits of the product\n            assembly {\n                let mm := mulmod(x, y, not(0))\n                prod0 := mul(x, y)\n                prod1 := sub(sub(mm, prod0), lt(mm, prod0))\n            }\n\n            // Handle non-overflow cases, 256 by 256 division.\n            if (prod1 == 0) {\n                // Solidity will revert if denominator == 0, unlike the div opcode on its own.\n                // The surrounding unchecked block does not change this fact.\n                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.\n                return prod0 / denominator;\n            }\n\n            // Make sure the result is less than 2^256. Also prevents denominator == 0.\n            require(denominator > prod1, \"Math: mulDiv overflow\");\n\n            ///////////////////////////////////////////////\n            // 512 by 256 division.\n            ///////////////////////////////////////////////\n\n            // Make division exact by subtracting the remainder from [prod1 prod0].\n            uint256 remainder;\n            assembly {\n                // Compute remainder using mulmod.\n                remainder := mulmod(x, y, denominator)\n\n                // Subtract 256 bit number from 512 bit number.\n                prod1 := sub(prod1, gt(remainder, prod0))\n                prod0 := sub(prod0, remainder)\n            }\n\n            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.\n            // See https://cs.stackexchange.com/q/138556/92363.\n\n            // Does not overflow because the denominator cannot be zero at this stage in the function.\n            uint256 twos = denominator & (~denominator + 1);\n            assembly {\n                // Divide denominator by twos.\n                denominator := div(denominator, twos)\n\n                // Divide [prod1 prod0] by twos.\n                prod0 := div(prod0, twos)\n\n                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.\n                twos := add(div(sub(0, twos), twos), 1)\n            }\n\n            // Shift in bits from prod1 into prod0.\n            prod0 |= prod1 * twos;\n\n            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such\n            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for\n            // four bits. That is, denominator * inv = 1 mod 2^4.\n            uint256 inverse = (3 * denominator) ^ 2;\n\n            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works\n            // in modular arithmetic, doubling the correct bits in each step.\n            inverse *= 2 - denominator * inverse; // inverse mod 2^8\n            inverse *= 2 - denominator * inverse; // inverse mod 2^16\n            inverse *= 2 - denominator * inverse; // inverse mod 2^32\n            inverse *= 2 - denominator * inverse; // inverse mod 2^64\n            inverse *= 2 - denominator * inverse; // inverse mod 2^128\n            inverse *= 2 - denominator * inverse; // inverse mod 2^256\n\n            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.\n            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is\n            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1\n            // is no longer required.\n            result = prod0 * inverse;\n            return result;\n        }\n    }\n\n    /**\n     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.\n     */\n    function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {\n        uint256 result = mulDiv(x, y, denominator);\n        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {\n            result += 1;\n        }\n        return result;\n    }\n\n    /**\n     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.\n     *\n     * Inspired by Henry S. Warren, Jr.'s \"Hacker's Delight\" (Chapter 11).\n     */\n    function sqrt(uint256 a) internal pure returns (uint256) {\n        if (a == 0) {\n            return 0;\n        }\n\n        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.\n        //\n        // We know that the \"msb\" (most significant bit) of our target number `a` is a power of 2 such that we have\n        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.\n        //\n        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`\n        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`\n        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`\n        //\n        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.\n        uint256 result = 1 << (log2(a) >> 1);\n\n        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,\n        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at\n        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision\n        // into the expected uint128 result.\n        unchecked {\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            result = (result + a / result) >> 1;\n            return min(result, a / result);\n        }\n    }\n\n    /**\n     * @notice Calculates sqrt(a), following the selected rounding direction.\n     */\n    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = sqrt(a);\n            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2, rounded down, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >> 128 > 0) {\n                value >>= 128;\n                result += 128;\n            }\n            if (value >> 64 > 0) {\n                value >>= 64;\n                result += 64;\n            }\n            if (value >> 32 > 0) {\n                value >>= 32;\n                result += 32;\n            }\n            if (value >> 16 > 0) {\n                value >>= 16;\n                result += 16;\n            }\n            if (value >> 8 > 0) {\n                value >>= 8;\n                result += 8;\n            }\n            if (value >> 4 > 0) {\n                value >>= 4;\n                result += 4;\n            }\n            if (value >> 2 > 0) {\n                value >>= 2;\n                result += 2;\n            }\n            if (value >> 1 > 0) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log2(value);\n            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 10, rounded down, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >= 10 ** 64) {\n                value /= 10 ** 64;\n                result += 64;\n            }\n            if (value >= 10 ** 32) {\n                value /= 10 ** 32;\n                result += 32;\n            }\n            if (value >= 10 ** 16) {\n                value /= 10 ** 16;\n                result += 16;\n            }\n            if (value >= 10 ** 8) {\n                value /= 10 ** 8;\n                result += 8;\n            }\n            if (value >= 10 ** 4) {\n                value /= 10 ** 4;\n                result += 4;\n            }\n            if (value >= 10 ** 2) {\n                value /= 10 ** 2;\n                result += 2;\n            }\n            if (value >= 10 ** 1) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log10(value);\n            return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 256, rounded down, of a positive value.\n     * Returns 0 if given 0.\n     *\n     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.\n     */\n    function log256(uint256 value) internal pure returns (uint256) {\n        uint256 result = 0;\n        unchecked {\n            if (value >> 128 > 0) {\n                value >>= 128;\n                result += 16;\n            }\n            if (value >> 64 > 0) {\n                value >>= 64;\n                result += 8;\n            }\n            if (value >> 32 > 0) {\n                value >>= 32;\n                result += 4;\n            }\n            if (value >> 16 > 0) {\n                value >>= 16;\n                result += 2;\n            }\n            if (value >> 8 > 0) {\n                result += 1;\n            }\n        }\n        return result;\n    }\n\n    /**\n     * @dev Return the log in base 256, following the selected rounding direction, of a positive value.\n     * Returns 0 if given 0.\n     */\n    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {\n        unchecked {\n            uint256 result = log256(value);\n            return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/math/SignedMath.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Standard signed math utilities missing in the Solidity language.\n */\nlibrary SignedMath {\n    /**\n     * @dev Returns the largest of two signed numbers.\n     */\n    function max(int256 a, int256 b) internal pure returns (int256) {\n        return a > b ? a : b;\n    }\n\n    /**\n     * @dev Returns the smallest of two signed numbers.\n     */\n    function min(int256 a, int256 b) internal pure returns (int256) {\n        return a < b ? a : b;\n    }\n\n    /**\n     * @dev Returns the average of two signed numbers without overflow.\n     * The result is rounded towards zero.\n     */\n    function average(int256 a, int256 b) internal pure returns (int256) {\n        // Formula from the book \"Hacker's Delight\"\n        int256 x = (a & b) + ((a ^ b) >> 1);\n        return x + (int256(uint256(x) >> 255) & (a ^ b));\n    }\n\n    /**\n     * @dev Returns the absolute unsigned value of a signed value.\n     */\n    function abs(int256 n) internal pure returns (uint256) {\n        unchecked {\n            // must be unchecked in order to support `n = type(int256).min`\n            return uint256(n >= 0 ? n : -n);\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Strings.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./math/Math.sol\";\nimport \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    bytes16 private constant _SYMBOLS = \"0123456789abcdef\";\n    uint8 private constant _ADDRESS_LENGTH = 20;\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            uint256 length = Math.log10(value) + 1;\n            string memory buffer = new string(length);\n            uint256 ptr;\n            /// @solidity memory-safe-assembly\n            assembly {\n                ptr := add(buffer, add(32, length))\n            }\n            while (true) {\n                ptr--;\n                /// @solidity memory-safe-assembly\n                assembly {\n                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))\n                }\n                value /= 10;\n                if (value == 0) break;\n            }\n            return buffer;\n        }\n    }\n\n    /**\n     * @dev Converts a `int256` to its ASCII `string` decimal representation.\n     */\n    function toString(int256 value) internal pure returns (string memory) {\n        return string(abi.encodePacked(value < 0 ? \"-\" : \"\", toString(SignedMath.abs(value))));\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        unchecked {\n            return toHexString(value, Math.log256(value) + 1);\n        }\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i > 1; --i) {\n            buffer[i] = _SYMBOLS[value & 0xf];\n            value >>= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n    }\n\n    /**\n     * @dev Returns true if the two strings are equal.\n     */\n    function equal(string memory a, string memory b) internal pure returns (bool) {\n        return keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n}\n"
      },
      "contracts/facets/RouterFacet.sol": {
        "content": "//SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\nimport {ERC721} from \"@openzeppelin/contracts/token/ERC721/ERC721.sol\";\nimport {IERC721Metadata} from \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\";\nimport {WrappedERC721} from \"../WrappedERC721.sol\";\nimport {IRouter} from \"../interfaces/IRouter.sol\";\nimport {ITeleport} from \"../interfaces/ITeleport.sol\";\nimport {ITeleportDApp} from \"../interfaces/ITeleportDApp.sol\";\nimport {LibRouter} from \"../libraries/LibRouter.sol\";\nimport {ICommonErrors, IRouterErrors} from \"../interfaces/IDiamondErrors.sol\";\n\n/**\n *  @notice Handles the bridging of ERC721 tokens\n */\ncontract RouterFacet is IRouter, ITeleportDApp {\n    address private immutable _SELF = address(this);\n\n    /**\n     * @notice sets the state for the Router facet\n     * @param data_ Abi encoded data - chain ID, teleport address and dAppId.\n     * @dev This state method is never attached on the diamond\n     */\n    function state(bytes memory data_) external {\n        if (address(this) == _SELF) {\n            revert ICommonErrors.NoDirectCall();\n        }\n\n        LibRouter.Storage storage rs = LibRouter.routerStorage();\n        (rs.chainId, rs.teleportAddress, rs.dAppId) = abi.decode(data_, (uint8, address, bytes32));\n\n        emit TeleportAddressSet(rs.teleportAddress);\n    }\n\n    function _determineAction(\n        uint8 targetChainId_,\n        CollectionWithTokens[] calldata assets_,\n        bytes calldata receiver_\n    ) private returns (bytes[] memory) {\n        bytes[] memory actions = new bytes[](assets_.length);\n\n        for (uint256 i; i < assets_.length; ) {\n            LibRouter.NativeCollectionWithChainId memory nativeCollection = wrappedToNativeCollection(\n                assets_[i].collection\n            );\n\n            if (nativeCollection.chainId == 0) {\n                emit LockMint(targetChainId_, assets_[i].collection, assets_[i].tokenIds, receiver_);\n\n                actions[i] = abi.encode(\n                    IRouter.TargetAction.Mint,\n                    _addressToBytes(assets_[i].collection),\n                    _lockMint(assets_[i].collection, assets_[i].tokenIds)\n                );\n            } else if (nativeCollection.chainId == targetChainId_) {\n                emit BurnUnlock(targetChainId_, assets_[i].collection, assets_[i].tokenIds, receiver_);\n\n                actions[i] = abi.encode(\n                    IRouter.TargetAction.Unlock,\n                    nativeCollection.contractAddress,\n                    _burnUnlock(assets_[i].collection, assets_[i].tokenIds)\n                );\n            } else {\n                emit BurnMint(targetChainId_, assets_[i].collection, assets_[i].tokenIds, receiver_);\n\n                actions[i] = abi.encode(\n                    IRouter.TargetAction.Mint,\n                    nativeCollection.contractAddress,\n                    _burnMint(nativeCollection.chainId, assets_[i].collection, assets_[i].tokenIds)\n                );\n            }\n            unchecked {\n                ++i;\n            }\n        }\n        return actions;\n    }\n\n    /**\n     *  @notice Send tokens to another chain via Teleport.\n     *  @param targetChainId_ Our ID of the destination chain\n     *  @param assets_ An array of structs, containing a collection address and an array of token IDs\n     *  @param receiver_ Address who will receive the tokens on the destination chain\n     *  @dev We determine the action for each ERC721 contract (collection) and build the appropriate payload\n     */\n    function _egress(\n        uint8 targetChainId_,\n        CollectionWithTokens[] calldata assets_,\n        bytes calldata receiver_,\n        bytes calldata extraOptionalArgs_\n    ) internal returns (bytes storage, bytes memory) {\n        LibRouter.Storage storage rs = LibRouter.routerStorage();\n\n        bytes memory payload = abi.encode(\n            uint256(0), // current message header\n            abi.encode(_addressToBytes(msg.sender), receiver_, _determineAction(targetChainId_, assets_, receiver_)) // envelope\n        );\n\n        bytes storage bridgeAddress = rs.bridgeAddressByChainId[targetChainId_];\n        if (bridgeAddress.length == 0) {\n            revert IRouterErrors.UnknownDestination();\n        }\n\n        uint256 feeOwed = serviceFee(targetChainId_, bridgeAddress, rs.dAppId, payload, extraOptionalArgs_);\n\n        if (msg.value != feeOwed) {\n            revert IRouterErrors.WrongValue();\n        }\n\n        return (bridgeAddress, payload);\n    }\n\n    function egress(\n        uint8 targetChainId_,\n        CollectionWithTokens[] calldata assets_,\n        bytes calldata receiver_,\n        bytes calldata extraOptionalArgs_\n    ) external payable override {\n        LibRouter.Storage storage rs = LibRouter.routerStorage();\n        (bytes storage bridgeAddress, bytes memory payload) = _egress(\n            targetChainId_,\n            assets_,\n            receiver_,\n            extraOptionalArgs_\n        );\n\n        ITeleport(rs.teleportAddress).transmitWithArgs{value: msg.value}(\n            targetChainId_,\n            bridgeAddress,\n            rs.dAppId,\n            payload,\n            extraOptionalArgs_\n        );\n    }\n\n    function egressWithProvider(\n        uint8 targetChainId_,\n        CollectionWithTokens[] calldata assets_,\n        bytes calldata receiver_,\n        address providerAddress_,\n        bytes calldata extraOptionalArgs_\n    ) external payable override {\n        LibRouter.Storage storage rs = LibRouter.routerStorage();\n        (bytes storage bridgeAddress, bytes memory payload) = _egress(\n            targetChainId_,\n            assets_,\n            receiver_,\n            extraOptionalArgs_\n        );\n\n        ITeleport(rs.teleportAddress).transmitWithProvider{value: msg.value}(\n            targetChainId_,\n            bridgeAddress,\n            rs.dAppId,\n            payload,\n            providerAddress_,\n            extraOptionalArgs_\n        );\n    }\n\n    /**\n     *  @param collectionAddress_ The ERC721 contract address\n     *  @param tokenIds_ An array of token IDs to be locked and bridged\n     *  @return Payload for sending native tokens to a non-native chain\n     *  @dev If the ERC721 contract supports the metadata extension, we have to pass it too\n     */\n    function _lockMint(address collectionAddress_, uint256[] calldata tokenIds_) internal returns (bytes memory) {\n        string[] memory tokenURIs = new string[](tokenIds_.length);\n        string memory collectionName;\n        string memory collectionSymbol;\n\n        if (ERC721(collectionAddress_).supportsInterface(type(IERC721Metadata).interfaceId)) {\n            for (uint256 i; i < tokenIds_.length; ) {\n                tokenURIs[i] = ERC721(collectionAddress_).tokenURI(tokenIds_[i]);\n                ERC721(collectionAddress_).transferFrom(msg.sender, address(this), tokenIds_[i]);\n                unchecked {\n                    ++i;\n                }\n            }\n\n            collectionName = string(abi.encodePacked(\"Wrapped \", ERC721(collectionAddress_).name()));\n            collectionSymbol = string(abi.encodePacked(\"W\", ERC721(collectionAddress_).symbol()));\n        } else {\n            for (uint256 i; i < tokenIds_.length; ) {\n                ERC721(collectionAddress_).transferFrom(msg.sender, address(this), tokenIds_[i]);\n                unchecked {\n                    ++i;\n                }\n            }\n        }\n\n        return abi.encode(tokenIds_, LibRouter.routerStorage().chainId, tokenURIs, collectionName, collectionSymbol);\n    }\n\n    /**\n     *  @param collectionAddress_ The ERC721 contract address\n     *  @param tokenIds_ An array of token IDs to be burned and bridged\n     *  @return Payload for sending non-native tokens to their native chain\n     */\n    function _burnUnlock(address collectionAddress_, uint256[] calldata tokenIds_) internal returns (bytes memory) {\n        // we need to check if msg.sender owns what he wants to transfer (burn)\n        WrappedERC721(collectionAddress_).batchBurnFrom(msg.sender, tokenIds_);\n\n        return abi.encode(tokenIds_);\n    }\n\n    /**\n     *  @param collectionAddress_ The ERC721 contract address\n     *  @param tokenIds_ An array of token IDs to be burned and bridged\n     *  @return Payload for sending non-native tokens to a non-native chain\n     */\n    function _burnMint(\n        uint8 nativeChainId_,\n        address collectionAddress_,\n        uint256[] calldata tokenIds_\n    ) internal returns (bytes memory) {\n        string[] memory tokenURIs = new string[](tokenIds_.length);\n\n        for (uint256 i; i < tokenIds_.length; ) {\n            tokenURIs[i] = ERC721(collectionAddress_).tokenURI(tokenIds_[i]);\n            unchecked {\n                ++i;\n            }\n        }\n        WrappedERC721(collectionAddress_).batchBurnFrom(msg.sender, tokenIds_);\n\n        return\n            abi.encode(\n                tokenIds_,\n                nativeChainId_,\n                tokenURIs,\n                ERC721(collectionAddress_).name(),\n                ERC721(collectionAddress_).symbol()\n            );\n    }\n\n    /**\n     *  @notice Receive tokens from another chain via Teleport.\n     *  @param sourceChainId_ Chain ID the teleport message comes from\n     *  @param transmissionSender_ Sender address of the teleport message\n     *  @param dAppId_ dAppId for the teleport message\n     *  @param payload_ Data payload of teleport message\n     *  @dev header is a placeholder for future proofing\n     */\n    function onTeleportMessage(\n        uint8 sourceChainId_,\n        bytes calldata transmissionSender_,\n        bytes32 dAppId_,\n        bytes calldata payload_\n    ) external override {\n        // Check message validity\n        LibRouter.Storage storage rs = LibRouter.routerStorage();\n        if (msg.sender != rs.teleportAddress) {\n            revert IRouterErrors.UnknownTeleport();\n        }\n        if (dAppId_ != rs.dAppId) {\n            revert IRouterErrors.UnknownDAppId();\n        }\n        if (keccak256(rs.bridgeAddressByChainId[sourceChainId_]) != keccak256(transmissionSender_)) {\n            revert IRouterErrors.UnknownSender();\n        }\n\n        (uint256 header, bytes memory envelope) = abi.decode(payload_, (uint256, bytes));\n\n        if (header != 0) {\n            revert IRouterErrors.UnknownFormat();\n        }\n\n        (bytes memory sender, bytes memory receiver, bytes[] memory actions) = abi.decode(\n            envelope,\n            (bytes, bytes, bytes[])\n        );\n\n        if (sender.length == 0) {\n            revert IRouterErrors.ShouldContainSender();\n        }\n\n        for (uint256 i; i < actions.length; ) {\n            // Decode the common action data\n            (IRouter.TargetAction actionType, bytes memory nativeAddress, bytes memory actionData) = abi.decode(\n                actions[i],\n                (IRouter.TargetAction, bytes, bytes)\n            );\n\n            // and call the corresponding receive function\n            if (actionType == IRouter.TargetAction.Unlock) {\n                // with its specific payload\n                uint256[] memory tokenIds = abi.decode(actionData, (uint256[]));\n                _unlock(_bytesToAddress(nativeAddress), tokenIds, _bytesToAddress(receiver));\n            } else {\n                (\n                    uint256[] memory tokenIds,\n                    uint8 nativeChainId,\n                    string[] memory tokenURIs,\n                    string memory collectionName,\n                    string memory collectionSymbol\n                ) = abi.decode(actionData, (uint256[], uint8, string[], string, string));\n\n                _mint(\n                    nativeAddress,\n                    tokenIds,\n                    _bytesToAddress(receiver),\n                    nativeChainId,\n                    tokenURIs,\n                    collectionName,\n                    collectionSymbol\n                );\n            }\n            unchecked {\n                ++i;\n            }\n        }\n    }\n\n    /**\n     *  @notice Release previously locked native tokens.\n     *  @param collectionAddress_ The ERC721 contract address\n     *  @param tokenIds_ The token IDs to be unlocked\n     *  @param receiver_ The address to receive the tokens\n     */\n    function _unlock(address collectionAddress_, uint256[] memory tokenIds_, address receiver_) internal {\n        emit Unlock(collectionAddress_, tokenIds_, receiver_);\n        for (uint256 i; i < tokenIds_.length; ) {\n            // sends tokens to unknown user supplied address, so we are being safe\n            ERC721(collectionAddress_).transferFrom(address(this), receiver_, tokenIds_[i]);\n            unchecked {\n                ++i;\n            }\n        }\n    }\n\n    /**\n     *  @notice Mint wrapped versions of non-native tokens. Deploys a new collection contract if necessary.\n     *  @param nativeAddress_ The ERC721 contract address on the native chain\n     *  @param tokenIds_ The token IDs to be minted\n     *  @param receiver_ The address to receive the tokens\n     *  @param nativeChainId_ Our chain ID for the native network\n     *  @param tokenURIs_ Token URIs for the new tokens\n     *  @param collectionName_ Name for the wrapped collection\n     *  @param collectionSymbol_ Symbol for the wrapped collection\n     */\n    function _mint(\n        bytes memory nativeAddress_,\n        uint256[] memory tokenIds_,\n        address receiver_,\n        uint8 nativeChainId_,\n        string[] memory tokenURIs_,\n        string memory collectionName_,\n        string memory collectionSymbol_\n    ) internal {\n        address wrappedCollection = nativeToWrappedCollection(nativeChainId_, nativeAddress_);\n        if (wrappedCollection == address(0)) {\n            wrappedCollection = deployWrappedCollection(\n                nativeChainId_,\n                nativeAddress_,\n                collectionName_,\n                collectionSymbol_\n            );\n        }\n\n        emit Mint(wrappedCollection, tokenIds_, receiver_);\n        WrappedERC721(wrappedCollection).batchMint(receiver_, tokenIds_, tokenURIs_);\n    }\n\n    /**\n     *  @notice Deploys a wrapped version of a native collection to the current chain\n     *  @param sourceChain_ Our chain ID for the native chain\n     *  @param nativeCollection_ ERC721 contract address on the native chain\n     *  @param collectionName_ Name for the wrapped collection\n     *  @param collectionSymbol_ Symbol for the wrapped collection\n     */\n    function deployWrappedCollection(\n        uint8 sourceChain_,\n        bytes memory nativeCollection_,\n        string memory collectionName_,\n        string memory collectionSymbol_\n    ) internal returns (address) {\n        address createdContract;\n        bytes32 salt = keccak256(abi.encode(sourceChain_, nativeCollection_));\n        bytes memory initCode = abi.encodePacked(\n            type(WrappedERC721).creationCode,\n            abi.encode(collectionName_, collectionSymbol_)\n        );\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            createdContract := create2(0, add(initCode, 0x20), mload(initCode), salt)\n        }\n        if (createdContract == address(0)) {\n            revert IRouterErrors.AddressOccupied();\n        }\n\n        LibRouter.setCollectionMappings(sourceChain_, nativeCollection_, createdContract);\n        emit WrappedCollectionDeployed(sourceChain_, nativeCollection_, createdContract);\n\n        return createdContract;\n    }\n\n    /**\n     *  @param chainId_ Our chain ID for the native chain\n     *  @param nativeCollection_ ERC721 contract address on the native chain\n     *  @return The address of the wrapped counterpart of `nativeToken` in the current chain\n     */\n    function nativeToWrappedCollection(\n        uint8 chainId_,\n        bytes memory nativeCollection_\n    ) public view override returns (address) {\n        return LibRouter.routerStorage().nativeToWrappedCollection[chainId_][nativeCollection_];\n    }\n\n    /**\n     *  @param wrappedCollection_ ERC721 contract address of the wrapped collection\n     *  @return The chainId and address of the original token\n     */\n    function wrappedToNativeCollection(\n        address wrappedCollection_\n    ) public view override returns (LibRouter.NativeCollectionWithChainId memory) {\n        return LibRouter.routerStorage().wrappedToNativeCollection[wrappedCollection_];\n    }\n\n    /**\n     *  @return Required fee amount for bridging\n     */\n    function serviceFee(\n        uint8 targetChainId_,\n        bytes memory transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes memory payload_,\n        bytes calldata extraOptionalArgs_\n    ) public view override returns (uint256) {\n        return\n            ITeleport(LibRouter.routerStorage().teleportAddress).serviceFee(\n                targetChainId_,\n                transmissionReceiver_,\n                dAppId_,\n                payload_,\n                extraOptionalArgs_\n            );\n    }\n\n    /**\n     *  @param addressAsBytes value of type bytes\n     *  @return addr addressAsBytes value converted to type address\n     */\n    function _bytesToAddress(bytes memory addressAsBytes) internal pure returns (address addr) {\n        if (addressAsBytes.length != 20) {\n            revert IRouterErrors.WrongAddressLength();\n        }\n        // solhint-disable-next-line no-inline-assembly\n        assembly {\n            addr := mload(add(addressAsBytes, 20))\n        }\n    }\n\n    /**\n     *  @param addr value of type address\n     *  @return addr value converted to type bytes\n     */\n    function _addressToBytes(address addr) internal pure returns (bytes memory) {\n        return abi.encodePacked(addr);\n    }\n}\n"
      },
      "contracts/interfaces/IDiamondErrors.sol": {
        "content": "// SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\ninterface ICommonErrors {\n    error NoDirectCall();\n\n    error TransferFailed(string message);\n\n    error AccountIsAddressZero();\n\n    error NoValueAllowed();\n}\n\ninterface IRouterErrors {\n    /**\n     * @dev Used when the destination is not supported by the router\n     */\n    error UnknownDestination();\n\n    /**\n     * @dev Used when the value is not wrong\n     */\n    error WrongValue();\n\n    /**\n     * @dev Used when the delivery fee signature has expired\n     */\n    error DeliveryFeeSignatureExpired();\n\n    /**\n     * @dev Used when the delivery fee signer is invalid\n     */\n    error InvalidDeliveryFeeSigner();\n\n    /**\n     * @dev Used when an unsupported fee token is encountered\n     */\n    error UnsupportedFeToken();\n\n    /**\n     * @dev Used when the fee token collector address is not set\n     */\n    error FeeTokenCollectorAddressNotSet();\n\n    /**\n     * @dev Used when an unknown teleport is encountered\n     */\n    error UnknownTeleport();\n\n    /**\n     * @dev Used when an unknown DApp ID is encountered\n     */\n    error UnknownDAppId();\n\n    /**\n     * @dev Used when an unknown sender is encountered\n     */\n    error UnknownSender();\n\n    /**\n     * @dev Used when an unknown format is encountered\n     */\n    error UnknownFormat();\n\n    /**\n     * @dev Used to make sure a transaction should contain a sender\n     */\n    error ShouldContainSender();\n\n    /**\n     * @dev Used when an address has an incorrect length\n     */\n    error WrongAddressLength();\n\n    /**\n     * @dev Used when an incorrect target action is encountered\n     */\n    error IncorrectTargetAction();\n\n    /**\n     * @dev Used when a delivery fee fails with a specific message\n     * @param message The error message\n     */\n    error DeliveryFeeFailed(string message);\n\n    /**\n     * @dev Used when an unlock fails with a specific message\n     * @param message The error message\n     */\n    error UnlockFailed(string message);\n\n    /**\n     * @dev Used when an address is already occupied\n     */\n    error AddressOccupied();\n}\n\ninterface IDiamondLoupeFacetErrors {\n    error ExceededMaxFacets();\n}\n\ninterface ILibDiamondErrors {\n    // \"Diamond: Function does not exist\"\n    error FunctionDoesNotExist();\n\n    // LibDiamondCut: No selectors in facet to cut\n    error NoSelectorsInFacetToCut();\n\n    // LibDiamondCut: Can't add function that already exists\n    error FunctionAlreadyExists();\n\n    // LibDiamondCut: Can't replace immutable function\n    error CantReplaceImmutableFn();\n\n    // LibDiamondCut: Can't replace function with same function\n    error CantReplaceWithSameFn();\n\n    // LibDiamondCut: Can't replace function that doesn't exist\n    error CantReplaceNonexistentFn();\n\n    // LibDiamondCut: Remove facet address must be address(0)\n    error RemoveFacetAddressMustBeZero();\n\n    // LibDiamondCut: Can't remove function that doesn't exist\n    error CantRemoveNonexistentFn();\n\n    // LibDiamondCut: Can't remove immutable function\n    error CantRemoveImmutableFn();\n\n    // LibDiamondCut: Incorrect FacetCutAction\n    error IncorrectFacetCutAction();\n\n    // LibDiamondCut: _init is address(0) but_calldata is not empty\n    error InitIsAddress0AndCalldataNotEmpty();\n\n    // LibDiamondCut: _calldata is empty but _init is not address(0)\n    error CalldataIsEmpty();\n\n    // LibDiamondCut: _init function reverted\n    error InitFunctionReverted();\n\n    // either \"LibDiamondCut: Add facet has no code\" or \"LibDiamondCut: Replace facet has no code\" or \"LibDiamondCut: _init address has no code\"\n    error ContractHasNoCode(string checkCase);\n\n    error LibDiamond__InitIsNotFacet();\n}\n\ninterface ITeleportFacetErrors {\n    /**\n     * @dev Used to make sure the function is only called by the teleport contract.\n     */\n    error OnlyValidProviderCalls();\n\n    /**\n     * @dev Used when there's not provider that supports the specified transmission.\n     */\n    error TransmissionNotSupportedByAnyProvider();\n\n    /**\n     * @dev Used when the provided provider address is the zero address.\n     */\n    error ProviderCannotBeZeroAddress();\n\n    /**\n     * @dev Used when the provided provider address is not supported by the provider selector.\n     */\n    error InvalidProvider();\n\n    /**\n     * @dev Thrown when a message is received from an unknown source chain.\n     */\n    error SourceChainNotSupported();\n\n    /**\n     * @dev Thrown when a message is received from an invalid teleport sender.\n     */\n    error InvalidTeleportSender();\n\n    /**\n     * @dev Thrown when a message is being send to an unknown target chain.\n     */\n    error TargetChainNotSupported();\n\n    // LibTeleport: INVALID_CHAIN_ID\n    error InvalidChainId();\n\n    // LibTeleport: INVALID_SENDER_ADDRESS\n    error InvalidSenderAddress();\n\n    // LibTeleport: DUPLICATE_CHAIN_ID\n    error DuplicateChainId();\n}\n\ninterface IFeeCalculatorFacetErrors {\n    // FeeCalculator: nothing to claim\n    error NothingToClaim();\n\n    // FeeCalculator: insufficient fee amount\n    error InsufficientFeeAmount();\n}\n\ninterface IGovernanceFacetErrors {\n    // Governance: msg.sender is not a member\n    error NotAValidMember();\n\n    // Governance: member list empty\n    error MemberListEmpty();\n\n    // Governance: Account already added\n    error AccountAlreadyAdded();\n\n    // Governance: Would become memberless\n    error WouldBecomeMemberless();\n\n    // Governance: Invalid number of signatures\n    error InvalidNumberOfSignatures();\n\n    // Governance: invalid signer\n    error InvalidSigner();\n\n    // Governance: signers must be in ascending order and uniques\n    error WrongSignersOrder();\n\n    // Governance: message hash already used\n    error HashAlreadyUsed();\n}\n\ninterface IWrappedTokenErrors {\n    error TokenTransferWhilePaused();\n    error URIQueryForNonexistentToken();\n    error WrongBatchMintParameters();\n    error BurnNotApproved();\n    error WrongOwner();\n    error WrongBatchUpdateParameters();\n}\n\ninterface ITeleportUpdaterFacetErrors {\n    error InvalidNewTeleportAddress();\n}\n\ninterface IUtilityFacetErros {\n    error WrappedTokenAddressMustNeNonZero();\n}\n\n// solhint-disable no-empty-blocks\ninterface IDiamondErrors is\n    ICommonErrors,\n    IDiamondLoupeFacetErrors,\n    ILibDiamondErrors,\n    ITeleportFacetErrors,\n    IFeeCalculatorFacetErrors,\n    IGovernanceFacetErrors,\n    IRouterErrors,\n    IWrappedTokenErrors,\n    ITeleportUpdaterFacetErrors\n{\n    // We just combine all the interfaces into one to simplify the import from the ITeleportDiamond and generate the ABI\n}\n"
      },
      "contracts/interfaces/IRouter.sol": {
        "content": "//SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\nimport {LibRouter} from \"../libraries/LibRouter.sol\";\n\ninterface IRouter {\n    enum TargetAction {\n        Unlock,\n        Mint\n    }\n\n    struct CollectionWithTokens {\n        address collection;\n        uint256[] tokenIds;\n    }\n\n    /// @notice An event emitted once a Lock transaction is executed\n    event LockMint(uint8 targetChain, address collection, uint256[] tokenIds, bytes receiver);\n    /// @notice An event emitted once a Burn transaction is executed\n    event BurnMint(uint8 targetChain, address collection, uint256[] tokenIds, bytes receiver);\n    /// @notice An event emitted once a BurnAndTransfer transaction is executed\n    event BurnUnlock(uint8 targetChain, address collection, uint256[] tokenIds, bytes receiver);\n    /// @notice An event emitted once an Unlock transaction is executed\n    event Unlock(address collection, uint256[] tokenIds, address receiver);\n    /// @notice An even emitted once a Mint transaction is executed\n    event Mint(address collection, uint256[] tokenIds, address receiver);\n    /// @notice An event emitted once a new wrapped token is deployed by the contract\n    event WrappedCollectionDeployed(uint8 sourceChain, bytes nativeColllection, address wrappedColllection);\n    /// @notice An event emitted when setting the teleport address\n    event TeleportAddressSet(address teleportAddress);\n\n    function nativeToWrappedCollection(uint8 _chainId, bytes memory _nativeCollection) external view returns (address);\n\n    function wrappedToNativeCollection(\n        address _wrappedCollection\n    ) external view returns (LibRouter.NativeCollectionWithChainId memory);\n\n    function serviceFee(\n        uint8 targetChainId_,\n        bytes memory transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes memory payload_,\n        bytes calldata extraOptionalArgs_\n    ) external view returns (uint256);\n\n    function egress(\n        uint8 targetChain_,\n        CollectionWithTokens[] calldata assets,\n        bytes calldata receiver_,\n        bytes calldata extraOptionalArgs_\n    ) external payable;\n\n    function egressWithProvider(\n        uint8 targetChain_,\n        CollectionWithTokens[] calldata assets,\n        bytes calldata receiver_,\n        address providerAddress_,\n        bytes calldata extraOptionalArgs_\n    ) external payable;\n}\n"
      },
      "contracts/interfaces/ITeleport.sol": {
        "content": "//SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\n/**\n * @title ITeleport\n * @dev Interface for the Teleport contract, which allows for cross-chain communication and messages transfer using different providers.\n */\ninterface ITeleport {\n    /**\n     * @notice Emitted when collecting fees\n     * @param serviceFee The amount of service fee collected\n     */\n    event TransmissionFees(uint256 serviceFee);\n\n    /**\n     * @dev Transmits a message to the specified target chain ID. The message will be delivered using the most suitable provider.\n     * @param targetChainId The ID of the target chain\n     * @param transmissionReceiver The address of the receiver on the target chain\n     * @param dAppId The ID of the dApp on the target chain\n     * @param payload The message payload\n     */\n    function transmit(\n        uint8 targetChainId,\n        bytes calldata transmissionReceiver,\n        bytes32 dAppId,\n        bytes calldata payload\n    ) external payable;\n\n    /**\n     * @notice Selects a provider to bridge the message to the target chain\n     * @param targetChainId_ The chainID where the message should be delivered to\n     * @param transmissionReceiver_ The address of the contract in the target chain to receive the transmission\n     * @param dAppId_ ID for the dApp that the message belongs to\n     * @param payload_ The dApp-specific message data\n     * @param extraOptionalArgs_ Extra optional arguments to be passed to the provider. This allow for specific provider configurations. Send bytes('') if not needed\n     */\n    function transmitWithArgs(\n        uint8 targetChainId_,\n        bytes calldata transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes calldata payload_,\n        bytes calldata extraOptionalArgs_\n    ) external payable;\n\n    /**\n     * @dev Transmits a message to the specified target chain ID. The message will be delivered using the specified provider.\n     * @param targetChainId The ID of the target chain\n     * @param transmissionReceiver The address of the receiver on the target chain\n     * @param dAppId The ID of the dApp on the target chain\n     * @param payload The message payload\n     * @param providerAddress The address of the provider to use\n     */\n    function transmitWithProvider(\n        uint8 targetChainId,\n        bytes calldata transmissionReceiver,\n        bytes32 dAppId,\n        bytes calldata payload,\n        address providerAddress,\n        bytes memory extraOptionalArgs_\n    ) external payable;\n\n    /**\n     * @dev Delivers a message to this chain.\n     * @param args The message arguments, which depend on the provider. See the provider's documentation for more information.\n     */\n    function deliver(address providerAddress, bytes calldata args) external;\n\n    /**\n     * @dev Returns the currently set teleport fee.\n     * @return The teleport fee amount\n     */\n    function teleportFee() external view returns (uint256);\n\n    /**\n     * @dev Returns the fee for the automatic selected provider.\n     * @return The provider fee amount\n     */\n    function providerFee(\n        uint8 targetChainId_,\n        bytes calldata transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes calldata payload_,\n        bytes calldata extraOptionalArgs_\n    ) external view returns (uint256);\n\n    /**\n     * @dev Returns the fee for the stated provider.\n     * @return The provider fee amount\n     */\n    function providerFee(\n        address providerAddress_,\n        uint8 targetChainId_,\n        bytes calldata transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes calldata payload_,\n        bytes calldata extraOptionalArgs_\n    ) external view returns (uint256);\n\n    /**\n     * @dev Returns the currently set service fee.\n     * @return The service fee amount\n     */\n    function serviceFee(\n        uint8 targetChainId_,\n        bytes calldata transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes calldata payload_,\n        bytes calldata extraOptionalArgs_\n    ) external view returns (uint256);\n\n    /**\n     * @dev Returns the currently set service fee.\n     * @return The service fee amount\n     */\n    function serviceFee(\n        address providerAddress_,\n        uint8 targetChainId_,\n        bytes calldata transmissionReceiver_,\n        bytes32 dAppId_,\n        bytes calldata payload_,\n        bytes calldata extraOptionalArgs_\n    ) external view returns (uint256);\n\n    struct DappTransmissionReceive {\n        bytes teleportSender;\n        uint8 sourceChainId;\n        bytes dappTransmissionSender;\n        address dappTransmissionReceiver;\n        bytes32 dAppId;\n        bytes payload;\n    }\n\n    /**\n     * @dev Notifies the teleport that the provider has received a new message. Teleport should invoke the related dapps.\n     * @param args The arguments of the message.\n     */\n    function onProviderReceive(DappTransmissionReceive calldata args) external;\n\n    function configProviderSelector(bytes calldata configData, bytes[] calldata signatures_) external;\n\n    function configProvider(bytes calldata configData, address providerAddress, bytes[] calldata signatures_) external;\n}\n"
      },
      "contracts/interfaces/ITeleportDApp.sol": {
        "content": "//SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\ninterface ITeleportDApp {\n    /**\n     * @notice Called by a Teleport contract to deliver a verified payload to a dApp\n     * @param _sourceChainId The Abridge chainID where the transmission originated\n     * @param _transmissionSender The address that invoked `transmit()` on the source chain\n     * @param _dAppId an identifier for the dApp\n     * @param _payload a dApp-specific byte array with the message data\n     */\n    function onTeleportMessage(\n        uint8 _sourceChainId,\n        bytes calldata _transmissionSender,\n        bytes32 _dAppId,\n        bytes calldata _payload\n    ) external;\n}\n"
      },
      "contracts/libraries/LibRouter.sol": {
        "content": "// solhint-disable no-inline-assembly\n// SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\nlibrary LibRouter {\n    bytes32 private constant STORAGE_POSITION = keccak256(\"diamond.standard.router.storage\");\n\n    /// @notice Struct containing information about a token's address and its native chain\n    struct NativeCollectionWithChainId {\n        // Native Abridge chain id\n        uint8 chainId;\n        // Token contract native address\n        bytes contractAddress;\n    }\n\n    struct Storage {\n        // Maps Abridge chainId => (nativeToken => wrappedToken)\n        mapping(uint8 => mapping(bytes => address)) nativeToWrappedCollection;\n        // Maps wrapped tokens in the current chain to their native chain + token address\n        mapping(address => NativeCollectionWithChainId) wrappedToNativeCollection;\n        // Who is allowed to send us teleport messages by Abridge chain id\n        mapping(uint8 => bytes) bridgeAddressByChainId;\n        // The Abridge chainId of the current chain\n        uint8 chainId;\n        // Address of the teleport contract to send/receive transmissions to/from\n        address teleportAddress;\n        bytes32 dAppId;\n    }\n\n    /// @notice sets the wrapped to native token mapping\n    function setCollectionMappings(\n        uint8 sourceChain_,\n        bytes memory nativeCollection_,\n        address deployedCollection\n    ) internal {\n        Storage storage rs = routerStorage();\n        rs.nativeToWrappedCollection[sourceChain_][nativeCollection_] = deployedCollection;\n        NativeCollectionWithChainId storage wrappedToNativeCollection = rs.wrappedToNativeCollection[\n            deployedCollection\n        ];\n        wrappedToNativeCollection.chainId = sourceChain_;\n        wrappedToNativeCollection.contractAddress = nativeCollection_;\n    }\n\n    function routerStorage() internal pure returns (Storage storage ds) {\n        bytes32 position = STORAGE_POSITION;\n        assembly {\n            ds.slot := position\n        }\n    }\n}\n"
      },
      "contracts/WrappedERC721.sol": {
        "content": "//SPDX-License-Identifier: Unlicense\npragma solidity 0.8.9;\n\nimport {Ownable} from \"@openzeppelin/contracts/access/Ownable.sol\";\nimport {Pausable} from \"@openzeppelin/contracts/security/Pausable.sol\";\nimport {ERC721} from \"@openzeppelin/contracts/token/ERC721/ERC721.sol\";\nimport {ERC721Enumerable} from \"@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol\";\nimport {IWrappedTokenErrors} from \"./interfaces/IDiamondErrors.sol\";\n\n/**\n * @notice Used for the wrapped versions of bridged ERC721 collections\n */\ncontract WrappedERC721 is ERC721Enumerable, Pausable, Ownable {\n    /// @dev We can't use baseURI as it is non-standard, so we manage tokenURIs individually\n    mapping(uint256 => string) private _tokenURIs;\n\n    /**\n     *  @notice Construct a new WrappedERC721 contract\n     *  @param collectionName_ The collection name\n     *  @param collectionSymbol_ The collection symbol\n     */\n    constructor(\n        string memory collectionName_,\n        string memory collectionSymbol_\n    ) ERC721(collectionName_, collectionSymbol_) {}\n\n    /**\n     * @param tokenId_ ID of the token\n     * @return The token URI\n     */\n    function tokenURI(uint256 tokenId_) public view override returns (string memory) {\n        if (!_exists(tokenId_)) {\n            revert IWrappedTokenErrors.URIQueryForNonexistentToken();\n        }\n        return _tokenURIs[tokenId_];\n    }\n\n    /**\n     * @notice Mints a number of tokens at once\n     * @param to_ Receiver address\n     * @param tokenIds_ Array of token IDs\n     * @param tokenURIs_ Array of corresponding token URIs\n     */\n    function batchMint(address to_, uint256[] calldata tokenIds_, string[] calldata tokenURIs_) external onlyOwner {\n        if (tokenIds_.length != tokenURIs_.length) {\n            revert IWrappedTokenErrors.WrongBatchMintParameters();\n        }\n        for (uint256 i; i < tokenIds_.length; ) {\n            _tokenURIs[tokenIds_[i]] = tokenURIs_[i];\n            super._mint(to_, tokenIds_[i]);\n            unchecked {\n                ++i;\n            }\n        }\n    }\n\n    /**\n     * @notice Burns a number of tokens at once\n     * @param owner_ Owner of the tokens\n     * @param tokenIds_ Array of token IDs\n     */\n    function batchBurnFrom(address owner_, uint256[] calldata tokenIds_) external onlyOwner {\n        for (uint256 i; i < tokenIds_.length; ) {\n            if (!_isApprovedOrOwner(_msgSender(), tokenIds_[i])) {\n                revert IWrappedTokenErrors.BurnNotApproved();\n            }\n            if (ownerOf(tokenIds_[i]) != owner_) {\n                revert IWrappedTokenErrors.WrongOwner();\n            }\n            super._burn(tokenIds_[i]);\n            delete _tokenURIs[tokenIds_[i]];\n            unchecked {\n                ++i;\n            }\n        }\n    }\n\n    /**\n     * @notice Updates the token URIs for existing tokens\n     * @param tokenIds_ Array of token IDs\n     * @param tokenURIs_ Array of corresponding token URIs\n     */\n    function batchUpdateTokenURI(uint256[] calldata tokenIds_, string[] calldata tokenURIs_) external onlyOwner {\n        if (tokenIds_.length != tokenURIs_.length) {\n            revert IWrappedTokenErrors.WrongBatchUpdateParameters();\n        }\n        for (uint256 i; i < tokenIds_.length; ) {\n            if (!_exists(tokenIds_[i])) {\n                revert IWrappedTokenErrors.URIQueryForNonexistentToken();\n            }\n            _tokenURIs[tokenIds_[i]] = tokenURIs_[i];\n            unchecked {\n                ++i;\n            }\n        }\n    }\n\n    /// @notice Pauses the contract\n    function pause() public onlyOwner {\n        super._pause();\n    }\n\n    /// @notice Unpauses the contract\n    function unpause() public onlyOwner {\n        super._unpause();\n    }\n\n    /// @notice Prevent actions on a paused contract\n    function _beforeTokenTransfer(\n        address from_,\n        address to_,\n        uint256 tokenId_,\n        uint256 batchSize\n    ) internal virtual override {\n        super._beforeTokenTransfer(from_, to_, tokenId_, batchSize);\n\n        if (paused()) {\n            revert IWrappedTokenErrors.TokenTransferWhilePaused();\n        }\n    }\n}\n"
      }
    },
    "settings": {
      "optimizer": {
        "enabled": true,
        "runs": 200
      },
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      },
      "libraries": {}
    }
  }}