creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "/contracts/Gemshare.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// Compatible with OpenZeppelin Contracts ^5.0.0\npragma solidity ^0.8.20;\n\nimport \"@openzeppelin/contracts/token/ERC1155/ERC1155.sol\";\nimport \"@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol\";\n\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\nimport \"@openzeppelin/contracts/utils/Pausable.sol\";\nimport \"@openzeppelin/contracts/utils/ReentrancyGuard.sol\";\n\nimport \"./modules/Models.sol\";\nimport \"./modules/Events.sol\";\nimport \"./modules/Signer.sol\";\nimport \"./modules/Modifiers.sol\";\nimport \"./modules/Interfaces.sol\";\n\ncontract GemShare is ERC1155, IERC1155Receiver, Ownable, Pausable, ReentrancyGuard, Modifiers, Signer {\n    // stoneId => {stoneStage => stageFractionsAmountPurchased}\n    mapping(uint => Models.StonePurchaseData) public stonePurchaseData;\n\n    // Base contract configuration\n    Models.Configuration public config;\n\n    // Main storage mapping\n    mapping(address => Models.UserData) public userData;\n\n    constructor() ERC1155(\"https://api.gem-share.com/metadata/{id}\") Ownable(msg.sender) {\n    }\n\n    /////////////////\n    //             //\n    //   Getters   //\n    //             //\n    /////////////////\n    function getUserNonce(address _address) external view returns(uint) {\n        return userData[_address].nonceCounter;\n    }\n\n    function isAdmin(address _address) external view returns(bool) {\n        return config.admins[_address];\n    }\n\n    function getUnclaimedProfit(address _address, uint stoneId, uint profitRate) external view returns(uint) {\n        uint calculatedUpnl = userData[_address].upnlByStone[stoneId];\n        uint additionalProfit = userData[_address].stakedAmountByStone[stoneId] * profitRate * (block.timestamp - userData[_address].lastUpnlCalcByStone[stoneId]);\n        return calculatedUpnl + additionalProfit;\n    }\n\n    function getLastClaimedProfitDate(address _address, uint stoneId) external view returns(uint) {\n        return userData[_address].lastProfitClaimByStone[stoneId];\n    }\n\n    function getStakedAmount(address _address, uint stoneId) external view returns(uint) {\n        return userData[_address].stakedAmountByStone[stoneId];\n    }\n\n\n    /////////////////////\n    //                 //\n    //   Admin panel   //\n    //                 //\n    /////////////////////\n    /**\n     * @notice Flip admin status [admin]\n     */\n    function flipAdminStatus(address walletAddress) external onlyOwner returns(bool) {\n        config.admins[walletAddress] = !config.admins[walletAddress];\n        emit Events.AdminStatusFlipped(msg.sender, walletAddress, config.admins[walletAddress]);\n        return config.admins[walletAddress];\n    }\n\n    /**\n     * @notice Pause smart contract [admin]\n     */\n    function pause() public onlyAdmin(config) {\n        _pause();\n        emit Events.AdminPaused(msg.sender);\n    }\n\n    /**\n     * @notice Unpause smart contract [admin]\n     */\n    function unpause() public onlyAdmin(config) {\n        _unpause();\n        emit Events.AdminUnpaused(msg.sender);\n    }\n\n    /**\n     * @notice Update signer wallet\n     */\n    function updateSigner(address _new) public onlyAdmin(config) {\n        config.signerWalletAddress = _new;\n        emit Events.AdminUpdateSignerAddress(msg.sender, _new);\n    }\n\n    /**\n     * @notice Update metadata uri\n     */\n    function setURI(string memory newuri) public onlyAdmin(config) {\n        _setURI(newuri);\n        emit Events.AdminUriUpdated(msg.sender, newuri);\n    }\n\n\n    //////////////////////////////\n    //                          //\n    //   User-facing functions  //\n    //                          //\n    //////////////////////////////\n    /**\n     * @notice Buy stone fractions\n     * @dev Main function to purchase fractions of a stone\n     * \n     * @param stoneId ID of the stone\n     * @param size Number of fractions to buy\n     * @param totalFractionsAmount Total amount of fractions available for the stone\n     * @param stageFractionsAmount Amount of fractions available in the current stage of the stone\n     * @param stoneStage Current stage of the stone\n     * @param amount Amount of money to be paid\n     * @param currency Currency used for the purchase (use address(0) to pay in native crypto)\n     * @param nonce User's actual nonce\n     * @param maxBlock Maximum block number for the transaction\n     * @param signature Backend transaction signature\n     */\n    function buy(\n        uint stoneId, \n        uint size, \n        uint totalFractionsAmount,\n        uint stageFractionsAmount,\n        uint stoneStage,\n        uint amount, \n        address currency, \n        uint nonce, \n        uint maxBlock,\n        bytes memory signature) public payable nonReentrant whenNotPaused {\n\n        bool signatureValid = verifyBuyTransaction(msg.sender, stoneId, size, totalFractionsAmount, stageFractionsAmount, stoneStage, amount, currency, nonce, maxBlock, signature, config.signerWalletAddress);\n        \n        require(signatureValid == true, \"Transaction is invalid\");\n        require(maxBlock >= block.number, \"Transaction has expired.\");\n        require(userData[msg.sender].nonceCounter == nonce, \"Transaction contains wrong nonce\");\n        require(stonePurchaseData[stoneId].totalFractionsPurchasedByStage[stoneStage] + size <= stageFractionsAmount, \"Not enough fractions available for purchase on this stage\");\n        require(stonePurchaseData[stoneId].totalFractionsPurchased + size <= totalFractionsAmount, \"Not enough fractions available for purchase\");\n\n        // Updating user's nonce counter\n        userData[msg.sender].nonceCounter += 1;\n        \n        // Native crypto deposit\n        if (currency == address(0)) {\n            require(msg.value == amount, \"Wrong amount of ether sent.\");\n        }\n        // ERC-20 tokens deposit\n        else {\n            bool receiveSucess = getERC20(currency, msg.sender, amount);\n            require(receiveSucess, \"Payment unsuccessful.\");\n        }\n\n        // Updating stone purchase data\n        stonePurchaseData[stoneId].totalFractionsPurchasedByStage[stoneStage] += size;\n        stonePurchaseData[stoneId].totalFractionsPurchased += size;\n\n        // Minting fractions\n        _mint(msg.sender, stoneId, size, \"\");\n        emit Events.Buy(msg.sender, stoneId, size, totalFractionsAmount, stageFractionsAmount, stoneStage, amount, currency, nonce, maxBlock);\n    }\n\n    /**\n     * @notice Sell stone fractions\n     * @dev Main function to sell fractions of a stone\n     * \n     * @param stoneId ID of the stone\n     * @param size Number of fractions to buy\n     * @param receiveAmount Amount of money to be sent\n     * @param currency Currency used for the purchase (use address(0) to pay in native crypto)\n     * @param nonce User's actual nonce\n     * @param maxBlock Maximum block number for the transaction\n     * @param signature Backend transaction signature\n     */\n    function sell(\n        uint stoneId, \n        uint size, \n        uint receiveAmount,\n        address currency, \n        uint nonce, \n        uint maxBlock,\n        bytes memory signature) public payable nonReentrant whenNotPaused {\n\n        bool signatureValid = verifySellTransaction(msg.sender, stoneId, size, receiveAmount, currency, nonce, maxBlock, signature, config.signerWalletAddress);\n        \n        require(signatureValid == true, \"Transaction is invalid\");\n        require(maxBlock >= block.number, \"Transaction has expired.\");\n        require(userData[msg.sender].nonceCounter == nonce, \"Transaction contains wrong nonce\");\n\n        // Updating user's nonce counter\n        userData[msg.sender].nonceCounter += 1;\n        \n        bool sent;\n        // Native crypto withdraw\n        if (currency == address(0)) {\n            _sendCrypto(msg.sender, receiveAmount);\n        }\n        // ERC-20 tokens deposit\n        else {\n            sent = _sendERC20(currency, msg.sender, receiveAmount);\n            require(sent, \"Payment unsuccessful.\");\n        }\n        emit Events.Sell(msg.sender, stoneId, size, receiveAmount, currency, nonce, maxBlock);\n    }\n\n    /**\n     * @notice Stake stone fractions\n     * @dev Main function to sell fractions of a stone\n     * \n     * @param stoneId ID of the stone\n     * @param size Number of fractions to stake\n     * @param profitRate Staking profit rate to save current profit to UPNL\n     * @param nonce User's actual nonce\n     * @param maxBlock Maximum block number for the transaction\n     * @param signature Backend transaction signature\n     */\n    function stake(\n        uint stoneId, \n        uint size, \n        uint profitRate,\n        uint nonce, \n        uint maxBlock,\n        string calldata action, \n        bytes memory signature) public payable nonReentrant whenNotPaused {\n\n        bool signatureValid = verifyStakeUnstakeTransaction(msg.sender, stoneId, size, profitRate, nonce, maxBlock, action, signature, config.signerWalletAddress);\n        \n        require(signatureValid == true, \"Transaction is invalid\");\n        require(compareStringsByHash(action, \"stake\"), \"Transaction is invalid\");\n        require(maxBlock >= block.number, \"Transaction has expired.\");\n        require(userData[msg.sender].nonceCounter == nonce, \"Transaction contains wrong nonce\");\n\n        // Updating user's nonce counter\n        userData[msg.sender].nonceCounter += 1;\n\n        // Depositing tokens to the contract\n        safeTransferFrom(msg.sender, address(this), stoneId, size, \"\");\n\n        saveUPNL(stoneId, profitRate); // Saving user's UPNL\n        userData[msg.sender].stakedAmountByStone[stoneId] += size; // recording user's staking\n        \n        // Setting last profit claim time to now if it's the first stake per stone\n        if (userData[msg.sender].stakedAmountByStone[stoneId] == size) {\n            userData[msg.sender].lastProfitClaimByStone[stoneId] = block.timestamp;\n        }\n        emit Events.StakeUnstake(msg.sender, stoneId, size, profitRate, nonce, maxBlock, action);\n    }\n\n    /**\n     * @notice Unstake stone fractions\n     * @dev Main function to unstake fractions of a stone\n     * \n     * @param stoneId ID of the stone\n     * @param size Number of fractions to unstake\n     * @param profitRate Staking profit rate to save current profit to UPNL\n     * @param nonce User's actual nonce\n     * @param maxBlock Maximum block number for the transaction\n     * @param signature Backend transaction signature\n     */\n    function unstake(\n        uint stoneId, \n        uint size, \n        uint profitRate,\n        uint nonce, \n        uint maxBlock,\n        string calldata action, \n        bytes memory signature) public payable nonReentrant whenNotPaused {\n\n        bool signatureValid = verifyStakeUnstakeTransaction(msg.sender, stoneId, size, profitRate, nonce, maxBlock, action, signature, config.signerWalletAddress);\n        \n        require(signatureValid == true, \"Transaction is invalid\");\n        require(compareStringsByHash(action, \"unstake\"), \"Transaction is invalid\");\n        require(maxBlock >= block.number, \"Transaction has expired.\");\n        require(userData[msg.sender].nonceCounter == nonce, \"Transaction contains wrong nonce\");\n        require(userData[msg.sender].stakedAmountByStone[stoneId] >= size, \"You do not have enough fractions to unstake\");\n\n        // Updating user's nonce counter\n        userData[msg.sender].nonceCounter += 1;\n\n        saveUPNL(stoneId, profitRate); // Saving user's UPNL\n        userData[msg.sender].stakedAmountByStone[stoneId] -= size; // recording user's staking\n\n        // Depositing tokens to the contract\n        _safeTransferFrom(address(this), msg.sender, stoneId, size, \"\");\n        emit Events.StakeUnstake(msg.sender, stoneId, size, profitRate, nonce, maxBlock, action);\n\n    }\n\n    /**\n     * @notice Claim staking profits\n     * @dev Main function to claim staking profits\n     * \n     * @param stoneId ID of the stone\n     * @param profitRate Staking profit rate to save current profit to UPNL\n     * @param nonce User's actual nonce\n     * @param maxBlock Maximum block number for the transaction\n     * @param signature Backend transaction signature\n     */\n    function claim(\n        uint stoneId, \n        uint profitRate,\n        address currency,\n        uint maxClaimAmount,\n        uint minClaimTime,\n        uint nonce, \n        uint maxBlock,\n        bytes memory signature) public payable nonReentrant whenNotPaused {\n\n        bool signatureValid = verifyClaimTransaction(msg.sender, stoneId, profitRate, currency, maxClaimAmount, minClaimTime, nonce, maxBlock, signature, config.signerWalletAddress);\n        \n        require(signatureValid == true, \"Transaction is invalid\");\n        require(maxBlock >= block.number, \"Transaction has expired.\");\n        require(userData[msg.sender].nonceCounter == nonce, \"Transaction contains wrong nonce\");\n        require(userData[msg.sender].lastProfitClaimByStone[stoneId] + minClaimTime <= block.timestamp, \"You cannot claim funds yet\");\n\n        // Updating user's nonce counter\n        userData[msg.sender].nonceCounter += 1;\n\n        saveUPNL(stoneId, profitRate); // Saving user's UPNL\n        require(userData[msg.sender].upnlByStone[stoneId] > 0, \"You do not have any profits to claim\");\n        require(userData[msg.sender].upnlByStone[stoneId] <= maxClaimAmount, \"Claim amount requested is invalid\");\n\n        uint amount = userData[msg.sender].upnlByStone[stoneId];\n\n        userData[msg.sender].upnlByStone[stoneId] = 0; // Resetting user's UPNL\n        userData[msg.sender].lastProfitClaimByStone[stoneId] = block.timestamp; // Updating last profit claim time\n\n        // Sending profits to the user\n        bool sent;\n        // Native crypto withdraw\n        if (currency == address(0)) {\n            _sendCrypto(msg.sender, amount);\n        }\n        // ERC-20 tokens deposit\n        else {\n            sent = _sendERC20(currency, msg.sender, amount);\n            require(sent, \"Payment unsuccessful\");\n        }\n        emit Events.Claim(msg.sender, stoneId, profitRate, currency, maxClaimAmount, minClaimTime, nonce, maxBlock);\n    }\n\n    /**\n     * \n     * @dev Saving user's UPNL to the internal storage. This amount can be claimed via the claim() function\n     */\n    function saveUPNL(uint stoneId, uint profitRate) internal {\n        uint amountStaked = userData[msg.sender].stakedAmountByStone[stoneId];\n        uint periodsPassed = (block.timestamp - userData[msg.sender].lastUpnlCalcByStone[stoneId]);\n\n        userData[msg.sender].upnlByStone[stoneId] += amountStaked * profitRate * periodsPassed;\n        userData[msg.sender].lastUpnlCalcByStone[stoneId] = block.timestamp;\n    }\n\n    /////////////////////////////////////////\n    //                                     //\n    //   Withdrawals and token transfers   //\n    //                                     //\n    /////////////////////////////////////////\n    /**\n     * @notice Withdraw ERC-20\n     * @dev Function allows withdrawing ERC-20 from the smart contract [for the admins only]\n     */\n    function sendERC20(address token, address walletAddress, uint amount) external onlyAdmin(config) nonReentrant {\n        bool sent = ERC20Contract(token).transferFrom(address(this), walletAddress, amount);\n        require(sent, \"Failed to send ERC20\");\n\n        emit Events.ERC20Sent(walletAddress, token, amount);\n    }\n\n    /**\n     * @notice Approve ERC-20 (from contract)\n     * @dev Function will allow withdrawing ERC-20 from the smart contract (via sendERC20 func) [for the admins only]\n     */\n    function approveERC20FromContract(address token, uint amount) external onlyAdmin(config) nonReentrant {\n        bool increased = ERC20Contract(token).approve(address(this), amount);\n        require(increased, \"Failed to approve ERC20 allowance\");\n    }\n\n    /**\n     * @notice Approve ERC-1155 (from contract)\n     * @dev Function will allow withdrawing ERC-1155 from the smart contract [for the admins only]\n     */\n    function approveERC1155FromContract(address operator, address contractAddress) external onlyAdmin(config) nonReentrant {\n        ERC1155Contract(contractAddress).setApprovalForAll(operator, true);\n    }\n\n    /**\n     * @dev Function allows taking payments in custom ERC-20 tokens from this smart contract\n     */\n    function getERC20(address token, address walletAddress, uint amount) internal returns(bool) {\n        bool sent = ERC20Contract(token).transferFrom(walletAddress, address(this), amount);\n        require(sent, \"Getting ERC20 tokens failed.\");\n        emit Events.ERC20Received(walletAddress, token, amount, sent);\n        return sent;\n    }\n\n    /**\n     * @dev Function allows sending ERC-20 tokens from this contract to a given wallet (internal use).\n     * For external use check sendERC20()\n     */\n    function _sendERC20(address token, address receiver, uint amount) internal returns(bool) {\n        bool sent = ERC20Contract(token).transferFrom(address(this), receiver, amount);\n        return sent;\n    }\n\n    /**\n     * @dev Function sends native crypto to the given address\n     */\n    function _sendCrypto(address receiver, uint amount) internal {\n        payable(receiver).transfer(amount);\n        emit Events.WithdrawExecuted(msg.sender, receiver, amount);\n    }\n\n    /**\n     * @notice Withdraw all ether\n     * @dev Function allows withdrawing ETH from the smart contract [for the admins only]\n     */\n    function withdrawAll() external onlyAdmin(config) {\n        uint amount = address(this).balance;\n        payable(msg.sender).transfer(amount);\n        emit Events.WithdrawExecuted(msg.sender, msg.sender, amount);\n    }\n\n    /**\n     * @notice Withdraw ether\n     * @dev Function allows withdrawing ETH from the smart contract [for the admins only]\n     */\n    function withdrawCrypto(address receiver, uint amount) external onlyAdmin(config) {\n        _sendCrypto(receiver, amount);\n    }\n\n    /* \n     * @dev fallback for accepting crypto\n     */\n    receive() external payable {\n        emit Events.FallbackAccepted(msg.sender, msg.value);\n    }\n\n    /////////////////////////////////////////////////\n    //                                             //\n    //   Functions for accepting ERC-1155 tokens   //\n    //                                             //\n    /////////////////////////////////////////////////\n\n    function onERC1155Received(\n        address operator,\n        address from,\n        uint256 id,\n        uint256 value,\n        bytes calldata data\n    )\n        external override\n        returns(bytes4)\n    {\n        return this.onERC1155Received.selector;\n    }\n\n    function onERC1155BatchReceived(\n        address operator,\n        address from,\n        uint256[] calldata ids,\n        uint256[] calldata values,\n        bytes calldata data\n    )\n        external override\n        returns(bytes4)\n    {\n        return this.onERC1155BatchReceived.selector;\n    }\n\n    function supportsInterface(bytes4 interfaceId) \n        public view virtual override(ERC1155, IERC165) \n        returns (bool) \n    {\n        return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);\n    }\n\n}\n"
      },
      "/contracts/modules/Signer.sol": {
        "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.22;\n\nimport \"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\";\nimport \"@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol\";\n\n\nabstract contract Signer {\n\n    function compareStringsByHash(string calldata str1, string memory str2) internal pure returns(bool) {\n        return keccak256(abi.encodePacked(str1)) == keccak256(abi.encodePacked(str2));\n    }\n\n    function hashMessageBuy(\n        address sender,\n        uint stoneId, \n        uint size, \n        uint totalFractionsAmount,\n        uint stageFractionsAmount,\n        uint stoneStage,\n        uint amount, \n        address currency, \n        uint nonce,\n        uint maxBlock\n    ) public pure returns (bytes32) {\n        return keccak256(abi.encodePacked(sender, stoneId, size, totalFractionsAmount, stageFractionsAmount, stoneStage, amount, currency, nonce, maxBlock));\n    }\n\n    function verifyBuyTransaction(\n        address sender,\n        uint stoneId, \n        uint size, \n        uint totalFractionsAmount,\n        uint stageFractionsAmount,\n        uint stoneStage,\n        uint amount, \n        address currency, \n        uint nonce,\n        uint maxBlock,\n        bytes memory signature,\n        address signer\n    ) public pure returns (bool) {\n        bytes32 messageHash = hashMessageBuy(sender, stoneId, size, totalFractionsAmount, stageFractionsAmount, stoneStage, amount, currency, nonce, maxBlock);\n        bytes32 ethSignedMessageHash = MessageHashUtils.toEthSignedMessageHash(messageHash);\n\n        return ECDSA.recover(ethSignedMessageHash, signature) == signer;\n    }\n\n    function hashMessageSell(\n        address sender,\n        uint stoneId, \n        uint size, \n        uint receiveAmount,\n        address currency, \n        uint nonce, \n        uint maxBlock\n    ) public pure returns (bytes32) {\n        return keccak256(abi.encodePacked(sender, stoneId, size, receiveAmount, currency, nonce, maxBlock));\n    }\n\n    function verifySellTransaction(\n        address sender,\n        uint stoneId, \n        uint size, \n        uint receiveAmount,\n        address currency, \n        uint nonce, \n        uint maxBlock,\n        bytes memory signature,\n        address signer\n    ) public pure returns (bool) {\n        bytes32 messageHash = hashMessageSell(sender, stoneId, size, receiveAmount, currency, nonce, maxBlock);\n        bytes32 ethSignedMessageHash = MessageHashUtils.toEthSignedMessageHash(messageHash);\n\n        return ECDSA.recover(ethSignedMessageHash, signature) == signer;\n    }\n\n    function hashMessageStakeUnstake(\n        address sender,\n        uint stoneId, \n        uint size, \n        uint profitRate,\n        uint nonce, \n        uint maxBlock,\n        string calldata action\n    ) public pure returns (bytes32) {\n        return keccak256(abi.encodePacked(sender, stoneId, size, profitRate, nonce, maxBlock, action));\n    }\n\n    function verifyStakeUnstakeTransaction(\n        address sender,\n        uint stoneId, \n        uint size, \n        uint profitRate,\n        uint nonce, \n        uint maxBlock,\n        string calldata action,\n        bytes memory signature,\n        address signer\n    ) public pure returns (bool) {\n        bytes32 messageHash = hashMessageStakeUnstake(sender, stoneId, size, profitRate, nonce, maxBlock, action);\n        bytes32 ethSignedMessageHash = MessageHashUtils.toEthSignedMessageHash(messageHash);\n\n        return ECDSA.recover(ethSignedMessageHash, signature) == signer;\n    }\n\n    function hashMessageClaim(\n        address sender,\n        uint stoneId,\n        uint profitRate,\n        address currency,\n        uint maxClaimAmount,\n        uint minClaimTime,\n        uint nonce, \n        uint maxBlock\n    ) public pure returns (bytes32) {\n        return keccak256(abi.encodePacked(sender, stoneId, profitRate, currency, maxClaimAmount, minClaimTime, nonce, maxBlock));\n    }\n\n    function verifyClaimTransaction(\n        address sender,\n        uint stoneId, \n        uint profitRate,\n        address currency,\n        uint maxClaimAmount,\n        uint minClaimTime,\n        uint nonce, \n        uint maxBlock,\n        bytes memory signature,\n        address signer\n    ) public pure returns (bool) {\n        bytes32 messageHash = hashMessageClaim(sender, stoneId, profitRate, currency, maxClaimAmount, minClaimTime, nonce, maxBlock);\n        bytes32 ethSignedMessageHash = MessageHashUtils.toEthSignedMessageHash(messageHash);\n\n        return ECDSA.recover(ethSignedMessageHash, signature) == signer;\n    }\n\n}\n"
      },
      "/contracts/modules/Modifiers.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.22;\n\nimport \"./Models.sol\";\n\n\nabstract contract Modifiers {\n\n    modifier onlyAdmin(Models.Configuration storage _config) {\n        require(_config.admins[msg.sender], \"You're not an admin.\");\n        _;\n    }\n\n}"
      },
      "/contracts/modules/Models.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.22;\n\nlibrary Models {\n    \n    struct UserData {\n        uint nonceCounter;\n        mapping(uint => uint) upnlByStone;\n        mapping(uint => uint) stakedAmountByStone;\n        mapping(uint => uint) lastProfitClaimByStone;\n        mapping(uint => uint) lastUpnlCalcByStone;\n    }\n\n    struct StonePurchaseData {\n        uint totalFractionsPurchased;\n        mapping(uint => uint) totalFractionsPurchasedByStage;\n\n    }\n\n    struct Configuration {\n        // Address used for back-end signature verification\n        address signerWalletAddress;\n\n        // Contract admins\n        mapping(address => bool) admins;\n    }\n}\n"
      },
      "/contracts/modules/Interfaces.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.22;\n\ninterface ERC20Contract {\n    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);\n    function approve(address spender, uint value) external returns (bool);\n}\n\n\ninterface ERC1155Contract {\n    function setApprovalForAll(address operator, bool approved) external;\n}"
      },
      "/contracts/modules/Events.sol": {
        "content": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.22;\n\n\nlibrary Events {\n\n    event WithdrawExecuted(address tx_sender, address walletAddress, uint amount);\n    event ERC20Sent(address walletAddress, address token, uint amount);\n    event ERC20Received(address walletAddress, address token, uint amount, bool success);\n\n    event AdminPaused(address _admin);\n    event AdminUnpaused(address _admin);\n    event AdminStatusFlipped(address _admin, address _walletAddress, bool _newStatus);\n    event AdminUpdateSignerAddress(address _admin, address _new);\n    event AdminUriUpdated(address _admin, string _newUri);\n\n    event FallbackAccepted(address _sender, uint _value);\n\n    event Buy(address sender,\n        uint stoneId, \n        uint size, \n        uint totalFractionsAmount,\n        uint stageFractionsAmount,\n        uint stoneStage,\n        uint amount, \n        address currency, \n        uint nonce,\n        uint maxBlock);\n    event Sell(address sender,\n        uint stoneId, \n        uint size, \n        uint receiveAmount,\n        address currency, \n        uint nonce, \n        uint maxBlock);\n    event StakeUnstake(address sender,\n        uint stoneId, \n        uint size, \n        uint profitRate,\n        uint nonce, \n        uint maxBlock,\n        string action);\n    event Claim(address sender,\n        uint stoneId,\n        uint profitRate,\n        address currency,\n        uint maxClaimAmount,\n        uint minClaimTime,\n        uint nonce, \n        uint maxBlock);\n}\n"
      },
      "@openzeppelin/contracts/utils/math/SignedMath.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol)\n\npragma solidity ^0.8.20;\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/math/Math.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n    /**\n     * @dev Muldiv operation overflow.\n     */\n    error MathOverflowedMulDiv();\n\n    enum Rounding {\n        Floor, // Toward negative infinity\n        Ceil, // Toward positive infinity\n        Trunc, // Toward zero\n        Expand // Away from zero\n    }\n\n    /**\n     * @dev Returns the addition of two unsigned integers, with an overflow flag.\n     */\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n        unchecked {\n            uint256 c = a + b;\n            if (c < a) return (false, 0);\n            return (true, c);\n        }\n    }\n\n    /**\n     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.\n     */\n    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n        unchecked {\n            if (b > a) return (false, 0);\n            return (true, a - b);\n        }\n    }\n\n    /**\n     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\n     */\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n        unchecked {\n            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\n            // benefit is lost if 'b' is also tested.\n            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\n            if (a == 0) return (true, 0);\n            uint256 c = a * b;\n            if (c / a != b) return (false, 0);\n            return (true, c);\n        }\n    }\n\n    /**\n     * @dev Returns the division of two unsigned integers, with a division by zero flag.\n     */\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n        unchecked {\n            if (b == 0) return (false, 0);\n            return (true, a / b);\n        }\n    }\n\n    /**\n     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\n     */\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\n        unchecked {\n            if (b == 0) return (false, 0);\n            return (true, a % b);\n        }\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 towards infinity instead\n     * of rounding towards zero.\n     */\n    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {\n        if (b == 0) {\n            // Guarantee the same behavior as in a regular Solidity division.\n            return a / b;\n        }\n\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\n     * denominator == 0.\n     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by\n     * 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 = x * y; // 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                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            if (denominator <= prod1) {\n                revert MathOverflowedMulDiv();\n            }\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.\n            // Always >= 1. See https://cs.stackexchange.com/q/138556/92363.\n\n            uint256 twos = denominator & (0 - denominator);\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\n            // works 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 (unsignedRoundsUp(rounding) && 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\n     * towards zero.\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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 2 of a positive value rounded towards zero.\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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 10 of a positive value rounded towards zero.\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 + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Return the log in base 256 of a positive value rounded towards zero.\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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);\n        }\n    }\n\n    /**\n     * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.\n     */\n    function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {\n        return uint8(rounding) % 2 == 1;\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.20;\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/introspection/ERC165.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"./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 */\nabstract contract ERC165 is IERC165 {\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/cryptography/MessageHashUtils.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol)\n\npragma solidity ^0.8.20;\n\nimport {Strings} from \"../Strings.sol\";\n\n/**\n * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.\n *\n * The library provides methods for generating a hash of a message that conforms to the\n * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]\n * specifications.\n */\nlibrary MessageHashUtils {\n    /**\n     * @dev Returns the keccak256 digest of an EIP-191 signed data with version\n     * `0x45` (`personal_sign` messages).\n     *\n     * The digest is calculated by prefixing a bytes32 `messageHash` with\n     * `\"\\x19Ethereum Signed Message:\\n32\"` and hashing the result. It corresponds with the\n     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n     *\n     * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with\n     * keccak256, although any bytes32 value can be safely used because the final digest will\n     * be re-hashed.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0x00, \"\\x19Ethereum Signed Message:\\n32\") // 32 is the bytes-length of messageHash\n            mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix\n            digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)\n        }\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an EIP-191 signed data with version\n     * `0x45` (`personal_sign` messages).\n     *\n     * The digest is calculated by prefixing an arbitrary `message` with\n     * `\"\\x19Ethereum Signed Message:\\n\" + len(message)` and hashing the result. It corresponds with the\n     * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {\n        return\n            keccak256(bytes.concat(\"\\x19Ethereum Signed Message:\\n\", bytes(Strings.toString(message.length)), message));\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an EIP-191 signed data with version\n     * `0x00` (data with intended validator).\n     *\n     * The digest is calculated by prefixing an arbitrary `data` with `\"\\x19\\x00\"` and the intended\n     * `validator` address. Then hashing the result.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {\n        return keccak256(abi.encodePacked(hex\"19_00\", validator, data));\n    }\n\n    /**\n     * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).\n     *\n     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with\n     * `\\x19\\x01` and hashing the result. It corresponds to the hash signed by the\n     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.\n     *\n     * See {ECDSA-recover}.\n     */\n    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            let ptr := mload(0x40)\n            mstore(ptr, hex\"19_01\")\n            mstore(add(ptr, 0x02), domainSeparator)\n            mstore(add(ptr, 0x22), structHash)\n            digest := keccak256(ptr, 0x42)\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/cryptography/ECDSA.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\n *\n * These functions can be used to verify that a message was signed by the holder\n * of the private keys of a given address.\n */\nlibrary ECDSA {\n    enum RecoverError {\n        NoError,\n        InvalidSignature,\n        InvalidSignatureLength,\n        InvalidSignatureS\n    }\n\n    /**\n     * @dev The signature derives the `address(0)`.\n     */\n    error ECDSAInvalidSignature();\n\n    /**\n     * @dev The signature has an invalid length.\n     */\n    error ECDSAInvalidSignatureLength(uint256 length);\n\n    /**\n     * @dev The signature has an S value that is in the upper half order.\n     */\n    error ECDSAInvalidSignatureS(bytes32 s);\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not\n     * return address(0) without also returning an error description. Errors are documented using an enum (error type)\n     * and a bytes32 providing additional information about the error.\n     *\n     * If no error is returned, then the address can be used for verification purposes.\n     *\n     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n     *\n     * Documentation for signature generation:\n     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]\n     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]\n     */\n    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {\n        if (signature.length == 65) {\n            bytes32 r;\n            bytes32 s;\n            uint8 v;\n            // ecrecover takes the signature parameters, and the only way to get them\n            // currently is to use assembly.\n            /// @solidity memory-safe-assembly\n            assembly {\n                r := mload(add(signature, 0x20))\n                s := mload(add(signature, 0x40))\n                v := byte(0, mload(add(signature, 0x60)))\n            }\n            return tryRecover(hash, v, r, s);\n        } else {\n            return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));\n        }\n    }\n\n    /**\n     * @dev Returns the address that signed a hashed message (`hash`) with\n     * `signature`. This address can then be used for verification purposes.\n     *\n     * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures:\n     * this function rejects them by requiring the `s` value to be in the lower\n     * half order, and the `v` value to be either 27 or 28.\n     *\n     * IMPORTANT: `hash` _must_ be the result of a hash operation for the\n     * verification to be secure: it is possible to craft signatures that\n     * recover to arbitrary addresses for non-hashed data. A safe way to ensure\n     * this is by receiving a hash of the original message (which may otherwise\n     * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it.\n     */\n    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.\n     *\n     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]\n     */\n    function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {\n        unchecked {\n            bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);\n            // We do not check for an overflow here since the shift operation results in 0 or 1.\n            uint8 v = uint8((uint256(vs) >> 255) + 27);\n            return tryRecover(hash, v, r, s);\n        }\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.\n     */\n    function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function tryRecover(\n        bytes32 hash,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal pure returns (address, RecoverError, bytes32) {\n        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature\n        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines\n        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most\n        // signatures from current libraries generate a unique signature with an s-value in the lower half order.\n        //\n        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value\n        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or\n        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept\n        // these malleable signatures as well.\n        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {\n            return (address(0), RecoverError.InvalidSignatureS, s);\n        }\n\n        // If the signature is valid (and not malleable), return the signer address\n        address signer = ecrecover(hash, v, r, s);\n        if (signer == address(0)) {\n            return (address(0), RecoverError.InvalidSignature, bytes32(0));\n        }\n\n        return (signer, RecoverError.NoError, bytes32(0));\n    }\n\n    /**\n     * @dev Overload of {ECDSA-recover} that receives the `v`,\n     * `r` and `s` signature fields separately.\n     */\n    function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {\n        (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);\n        _throwError(error, errorArg);\n        return recovered;\n    }\n\n    /**\n     * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided.\n     */\n    function _throwError(RecoverError error, bytes32 errorArg) private pure {\n        if (error == RecoverError.NoError) {\n            return; // no error: do nothing\n        } else if (error == RecoverError.InvalidSignature) {\n            revert ECDSAInvalidSignature();\n        } else if (error == RecoverError.InvalidSignatureLength) {\n            revert ECDSAInvalidSignatureLength(uint256(errorArg));\n        } else if (error == RecoverError.InvalidSignatureS) {\n            revert ECDSAInvalidSignatureS(errorArg);\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Strings.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol)\n\npragma solidity ^0.8.20;\n\nimport {Math} from \"./math/Math.sol\";\nimport {SignedMath} from \"./math/SignedMath.sol\";\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    bytes16 private constant HEX_DIGITS = \"0123456789abcdef\";\n    uint8 private constant ADDRESS_LENGTH = 20;\n\n    /**\n     * @dev The `value` string doesn't fit in the specified `length`.\n     */\n    error StringsInsufficientHexLength(uint256 value, uint256 length);\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), HEX_DIGITS))\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 toStringSigned(int256 value) internal pure returns (string memory) {\n        return string.concat(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        uint256 localValue = value;\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] = HEX_DIGITS[localValue & 0xf];\n            localValue >>= 4;\n        }\n        if (localValue != 0) {\n            revert StringsInsufficientHexLength(value, length);\n        }\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\n     * 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 bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/StorageSlot.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)\n// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Library for reading and writing primitive types to specific storage slots.\n *\n * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.\n * This library helps with reading and writing to such slots without the need for inline assembly.\n *\n * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.\n *\n * Example usage to set ERC1967 implementation slot:\n * ```solidity\n * contract ERC1967 {\n *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;\n *\n *     function _getImplementation() internal view returns (address) {\n *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;\n *     }\n *\n *     function _setImplementation(address newImplementation) internal {\n *         require(newImplementation.code.length > 0);\n *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;\n *     }\n * }\n * ```\n */\nlibrary StorageSlot {\n    struct AddressSlot {\n        address value;\n    }\n\n    struct BooleanSlot {\n        bool value;\n    }\n\n    struct Bytes32Slot {\n        bytes32 value;\n    }\n\n    struct Uint256Slot {\n        uint256 value;\n    }\n\n    struct StringSlot {\n        string value;\n    }\n\n    struct BytesSlot {\n        bytes value;\n    }\n\n    /**\n     * @dev Returns an `AddressSlot` with member `value` located at `slot`.\n     */\n    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.\n     */\n    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.\n     */\n    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.\n     */\n    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `StringSlot` with member `value` located at `slot`.\n     */\n    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.\n     */\n    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := store.slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BytesSlot` with member `value` located at `slot`.\n     */\n    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := slot\n        }\n    }\n\n    /**\n     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.\n     */\n    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            r.slot := store.slot\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/ReentrancyGuard.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\n    uint256 private constant NOT_ENTERED = 1;\n    uint256 private constant ENTERED = 2;\n\n    uint256 private _status;\n\n    /**\n     * @dev Unauthorized reentrant call.\n     */\n    error ReentrancyGuardReentrantCall();\n\n    constructor() {\n        _status = NOT_ENTERED;\n    }\n\n    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\n     */\n    modifier nonReentrant() {\n        _nonReentrantBefore();\n        _;\n        _nonReentrantAfter();\n    }\n\n    function _nonReentrantBefore() private {\n        // On the first call to nonReentrant, _status will be NOT_ENTERED\n        if (_status == ENTERED) {\n            revert ReentrancyGuardReentrantCall();\n        }\n\n        // Any calls to nonReentrant after this point will fail\n        _status = ENTERED;\n    }\n\n    function _nonReentrantAfter() private {\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = NOT_ENTERED;\n    }\n\n    /**\n     * @dev Returns true if the reentrancy guard is currently set to \"entered\", which indicates there is a\n     * `nonReentrant` function in the call stack.\n     */\n    function _reentrancyGuardEntered() internal view returns (bool) {\n        return _status == ENTERED;\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Pausable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Pausable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../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    bool private _paused;\n\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    /**\n     * @dev The operation failed because the contract is paused.\n     */\n    error EnforcedPause();\n\n    /**\n     * @dev The operation failed because the contract is not paused.\n     */\n    error ExpectedPause();\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        if (paused()) {\n            revert EnforcedPause();\n        }\n    }\n\n    /**\n     * @dev Throws if the contract is not paused.\n     */\n    function _requirePaused() internal view virtual {\n        if (!paused()) {\n            revert ExpectedPause();\n        }\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/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)\n\npragma solidity ^0.8.20;\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"
      },
      "@openzeppelin/contracts/utils/Arrays.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (utils/Arrays.sol)\n\npragma solidity ^0.8.20;\n\nimport {StorageSlot} from \"./StorageSlot.sol\";\nimport {Math} from \"./math/Math.sol\";\n\n/**\n * @dev Collection of functions related to array types.\n */\nlibrary Arrays {\n    using StorageSlot for bytes32;\n\n    /**\n     * @dev Searches a sorted `array` and returns the first index that contains\n     * a value greater or equal to `element`. If no such index exists (i.e. all\n     * values in the array are strictly less than `element`), the array length is\n     * returned. Time complexity O(log n).\n     *\n     * `array` is expected to be sorted in ascending order, and to contain no\n     * repeated elements.\n     */\n    function findUpperBound(uint256[] storage array, uint256 element) internal view returns (uint256) {\n        uint256 low = 0;\n        uint256 high = array.length;\n\n        if (high == 0) {\n            return 0;\n        }\n\n        while (low < high) {\n            uint256 mid = Math.average(low, high);\n\n            // Note that mid will always be strictly less than high (i.e. it will be a valid array index)\n            // because Math.average rounds towards zero (it does integer division with truncation).\n            if (unsafeAccess(array, mid).value > element) {\n                high = mid;\n            } else {\n                low = mid + 1;\n            }\n        }\n\n        // At this point `low` is the exclusive upper bound. We will return the inclusive upper bound.\n        if (low > 0 && unsafeAccess(array, low - 1).value == element) {\n            return low - 1;\n        } else {\n            return low;\n        }\n    }\n\n    /**\n     * @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n     *\n     * WARNING: Only use if you are certain `pos` is lower than the array length.\n     */\n    function unsafeAccess(address[] storage arr, uint256 pos) internal pure returns (StorageSlot.AddressSlot storage) {\n        bytes32 slot;\n        // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr`\n        // following https://docs.soliditylang.org/en/v0.8.20/internals/layout_in_storage.html#mappings-and-dynamic-arrays.\n\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0, arr.slot)\n            slot := add(keccak256(0, 0x20), pos)\n        }\n        return slot.getAddressSlot();\n    }\n\n    /**\n     * @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n     *\n     * WARNING: Only use if you are certain `pos` is lower than the array length.\n     */\n    function unsafeAccess(bytes32[] storage arr, uint256 pos) internal pure returns (StorageSlot.Bytes32Slot storage) {\n        bytes32 slot;\n        // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr`\n        // following https://docs.soliditylang.org/en/v0.8.20/internals/layout_in_storage.html#mappings-and-dynamic-arrays.\n\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0, arr.slot)\n            slot := add(keccak256(0, 0x20), pos)\n        }\n        return slot.getBytes32Slot();\n    }\n\n    /**\n     * @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n     *\n     * WARNING: Only use if you are certain `pos` is lower than the array length.\n     */\n    function unsafeAccess(uint256[] storage arr, uint256 pos) internal pure returns (StorageSlot.Uint256Slot storage) {\n        bytes32 slot;\n        // We use assembly to calculate the storage slot of the element at index `pos` of the dynamic array `arr`\n        // following https://docs.soliditylang.org/en/v0.8.20/internals/layout_in_storage.html#mappings-and-dynamic-arrays.\n\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0, arr.slot)\n            slot := add(keccak256(0, 0x20), pos)\n        }\n        return slot.getUint256Slot();\n    }\n\n    /**\n     * @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n     *\n     * WARNING: Only use if you are certain `pos` is lower than the array length.\n     */\n    function unsafeMemoryAccess(uint256[] memory arr, uint256 pos) internal pure returns (uint256 res) {\n        assembly {\n            res := mload(add(add(arr, 0x20), mul(pos, 0x20)))\n        }\n    }\n\n    /**\n     * @dev Access an array in an \"unsafe\" way. Skips solidity \"index-out-of-range\" check.\n     *\n     * WARNING: Only use if you are certain `pos` is lower than the array length.\n     */\n    function unsafeMemoryAccess(address[] memory arr, uint256 pos) internal pure returns (address res) {\n        assembly {\n            res := mload(add(add(arr, 0x20), mul(pos, 0x20)))\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/extensions/IERC1155MetadataURI.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC1155} from \"../IERC1155.sol\";\n\n/**\n * @dev Interface of the optional ERC1155MetadataExtension interface, as defined\n * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].\n */\ninterface IERC1155MetadataURI is IERC1155 {\n    /**\n     * @dev Returns the URI for token type `id`.\n     *\n     * If the `\\{id\\}` substring is present in the URI, it must be replaced by\n     * clients with the actual token type ID.\n     */\n    function uri(uint256 id) external view returns (string memory);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/IERC1155Receiver.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Interface that must be implemented by smart contracts in order to receive\n * ERC-1155 token transfers.\n */\ninterface IERC1155Receiver is IERC165 {\n    /**\n     * @dev Handles the receipt of a single ERC1155 token type. This function is\n     * called at the end of a `safeTransferFrom` after the balance has been updated.\n     *\n     * NOTE: To accept the transfer, this must return\n     * `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))`\n     * (i.e. 0xf23a6e61, or its own function selector).\n     *\n     * @param operator The address which initiated the transfer (i.e. msg.sender)\n     * @param from The address which previously owned the token\n     * @param id The ID of the token being transferred\n     * @param value The amount of tokens being transferred\n     * @param data Additional data with no specified format\n     * @return `bytes4(keccak256(\"onERC1155Received(address,address,uint256,uint256,bytes)\"))` if transfer is allowed\n     */\n    function onERC1155Received(\n        address operator,\n        address from,\n        uint256 id,\n        uint256 value,\n        bytes calldata data\n    ) external returns (bytes4);\n\n    /**\n     * @dev Handles the receipt of a multiple ERC1155 token types. This function\n     * is called at the end of a `safeBatchTransferFrom` after the balances have\n     * been updated.\n     *\n     * NOTE: To accept the transfer(s), this must return\n     * `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))`\n     * (i.e. 0xbc197c81, or its own function selector).\n     *\n     * @param operator The address which initiated the batch transfer (i.e. msg.sender)\n     * @param from The address which previously owned the token\n     * @param ids An array containing ids of each token being transferred (order and length must match values array)\n     * @param values An array containing amounts of each token being transferred (order and length must match ids array)\n     * @param data Additional data with no specified format\n     * @return `bytes4(keccak256(\"onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)\"))` if transfer is allowed\n     */\n    function onERC1155BatchReceived(\n        address operator,\n        address from,\n        uint256[] calldata ids,\n        uint256[] calldata values,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC1155/IERC1155.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/IERC1155.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC165} from \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC1155 compliant contract, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1155[EIP].\n */\ninterface IERC1155 is IERC165 {\n    /**\n     * @dev Emitted when `value` amount of tokens of type `id` are transferred from `from` to `to` by `operator`.\n     */\n    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\n\n    /**\n     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all\n     * transfers.\n     */\n    event TransferBatch(\n        address indexed operator,\n        address indexed from,\n        address indexed to,\n        uint256[] ids,\n        uint256[] values\n    );\n\n    /**\n     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to\n     * `approved`.\n     */\n    event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n\n    /**\n     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.\n     *\n     * If an {URI} event was emitted for `id`, the standard\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value\n     * returned by {IERC1155MetadataURI-uri}.\n     */\n    event URI(string value, uint256 indexed id);\n\n    /**\n     * @dev Returns the value of tokens of token type `id` owned by `account`.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function balanceOf(address account, uint256 id) external view returns (uint256);\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.\n     *\n     * Requirements:\n     *\n     * - `accounts` and `ids` must have the same length.\n     */\n    function balanceOfBatch(\n        address[] calldata accounts,\n        uint256[] calldata ids\n    ) external view returns (uint256[] memory);\n\n    /**\n     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,\n     *\n     * Emits an {ApprovalForAll} event.\n     *\n     * Requirements:\n     *\n     * - `operator` cannot be the caller.\n     */\n    function setApprovalForAll(address operator, bool approved) external;\n\n    /**\n     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.\n     *\n     * See {setApprovalForAll}.\n     */\n    function isApprovedForAll(address account, address operator) external view returns (bool);\n\n    /**\n     * @dev Transfers a `value` amount of tokens of type `id` from `from` to `to`.\n     *\n     * WARNING: This function can potentially allow a reentrancy attack when transferring tokens\n     * to an untrusted contract, when invoking {onERC1155Received} on the receiver.\n     * Ensure to follow the checks-effects-interactions pattern and consider employing\n     * reentrancy guards when interacting with untrusted contracts.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.\n     * - `from` must have a balance of tokens of type `id` of at least `value` amount.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes calldata data) external;\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.\n     *\n     *\n     * WARNING: This function can potentially allow a reentrancy attack when transferring tokens\n     * to an untrusted contract, when invoking {onERC1155BatchReceived} on the receiver.\n     * Ensure to follow the checks-effects-interactions pattern and consider employing\n     * reentrancy guards when interacting with untrusted contracts.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `ids` and `values` must have the same length.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] calldata ids,\n        uint256[] calldata values,\n        bytes calldata data\n    ) external;\n}\n"
      },
      "@openzeppelin/contracts/token/ERC1155/ERC1155.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC1155/ERC1155.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC1155} from \"./IERC1155.sol\";\nimport {IERC1155Receiver} from \"./IERC1155Receiver.sol\";\nimport {IERC1155MetadataURI} from \"./extensions/IERC1155MetadataURI.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC165, ERC165} from \"../../utils/introspection/ERC165.sol\";\nimport {Arrays} from \"../../utils/Arrays.sol\";\nimport {IERC1155Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of the basic standard multi-token.\n * See https://eips.ethereum.org/EIPS/eip-1155\n * Originally based on code by Enjin: https://github.com/enjin/erc-1155\n */\nabstract contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI, IERC1155Errors {\n    using Arrays for uint256[];\n    using Arrays for address[];\n\n    mapping(uint256 id => mapping(address account => uint256)) private _balances;\n\n    mapping(address account => mapping(address operator => bool)) private _operatorApprovals;\n\n    // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json\n    string private _uri;\n\n    /**\n     * @dev See {_setURI}.\n     */\n    constructor(string memory uri_) {\n        _setURI(uri_);\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(IERC1155).interfaceId ||\n            interfaceId == type(IERC1155MetadataURI).interfaceId ||\n            super.supportsInterface(interfaceId);\n    }\n\n    /**\n     * @dev See {IERC1155MetadataURI-uri}.\n     *\n     * This implementation returns the same URI for *all* token types. It relies\n     * on the token type ID substitution mechanism\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n     *\n     * Clients calling this function must replace the `\\{id\\}` substring with the\n     * actual token type ID.\n     */\n    function uri(uint256 /* id */) public view virtual returns (string memory) {\n        return _uri;\n    }\n\n    /**\n     * @dev See {IERC1155-balanceOf}.\n     */\n    function balanceOf(address account, uint256 id) public view virtual returns (uint256) {\n        return _balances[id][account];\n    }\n\n    /**\n     * @dev See {IERC1155-balanceOfBatch}.\n     *\n     * Requirements:\n     *\n     * - `accounts` and `ids` must have the same length.\n     */\n    function balanceOfBatch(\n        address[] memory accounts,\n        uint256[] memory ids\n    ) public view virtual returns (uint256[] memory) {\n        if (accounts.length != ids.length) {\n            revert ERC1155InvalidArrayLength(ids.length, accounts.length);\n        }\n\n        uint256[] memory batchBalances = new uint256[](accounts.length);\n\n        for (uint256 i = 0; i < accounts.length; ++i) {\n            batchBalances[i] = balanceOf(accounts.unsafeMemoryAccess(i), ids.unsafeMemoryAccess(i));\n        }\n\n        return batchBalances;\n    }\n\n    /**\n     * @dev See {IERC1155-setApprovalForAll}.\n     */\n    function setApprovalForAll(address operator, bool approved) public virtual {\n        _setApprovalForAll(_msgSender(), operator, approved);\n    }\n\n    /**\n     * @dev See {IERC1155-isApprovedForAll}.\n     */\n    function isApprovedForAll(address account, address operator) public view virtual returns (bool) {\n        return _operatorApprovals[account][operator];\n    }\n\n    /**\n     * @dev See {IERC1155-safeTransferFrom}.\n     */\n    function safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes memory data) public virtual {\n        address sender = _msgSender();\n        if (from != sender && !isApprovedForAll(from, sender)) {\n            revert ERC1155MissingApprovalForAll(sender, from);\n        }\n        _safeTransferFrom(from, to, id, value, data);\n    }\n\n    /**\n     * @dev See {IERC1155-safeBatchTransferFrom}.\n     */\n    function safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory values,\n        bytes memory data\n    ) public virtual {\n        address sender = _msgSender();\n        if (from != sender && !isApprovedForAll(from, sender)) {\n            revert ERC1155MissingApprovalForAll(sender, from);\n        }\n        _safeBatchTransferFrom(from, to, ids, values, data);\n    }\n\n    /**\n     * @dev Transfers a `value` amount of tokens of type `id` from `from` to `to`. Will mint (or burn) if `from`\n     * (or `to`) is the zero address.\n     *\n     * Emits a {TransferSingle} event if the arrays contain one element, and {TransferBatch} otherwise.\n     *\n     * Requirements:\n     *\n     * - If `to` refers to a smart contract, it must implement either {IERC1155Receiver-onERC1155Received}\n     *   or {IERC1155Receiver-onERC1155BatchReceived} and return the acceptance magic value.\n     * - `ids` and `values` must have the same length.\n     *\n     * NOTE: The ERC-1155 acceptance check is not performed in this function. See {_updateWithAcceptanceCheck} instead.\n     */\n    function _update(address from, address to, uint256[] memory ids, uint256[] memory values) internal virtual {\n        if (ids.length != values.length) {\n            revert ERC1155InvalidArrayLength(ids.length, values.length);\n        }\n\n        address operator = _msgSender();\n\n        for (uint256 i = 0; i < ids.length; ++i) {\n            uint256 id = ids.unsafeMemoryAccess(i);\n            uint256 value = values.unsafeMemoryAccess(i);\n\n            if (from != address(0)) {\n                uint256 fromBalance = _balances[id][from];\n                if (fromBalance < value) {\n                    revert ERC1155InsufficientBalance(from, fromBalance, value, id);\n                }\n                unchecked {\n                    // Overflow not possible: value <= fromBalance\n                    _balances[id][from] = fromBalance - value;\n                }\n            }\n\n            if (to != address(0)) {\n                _balances[id][to] += value;\n            }\n        }\n\n        if (ids.length == 1) {\n            uint256 id = ids.unsafeMemoryAccess(0);\n            uint256 value = values.unsafeMemoryAccess(0);\n            emit TransferSingle(operator, from, to, id, value);\n        } else {\n            emit TransferBatch(operator, from, to, ids, values);\n        }\n    }\n\n    /**\n     * @dev Version of {_update} that performs the token acceptance check by calling\n     * {IERC1155Receiver-onERC1155Received} or {IERC1155Receiver-onERC1155BatchReceived} on the receiver address if it\n     * contains code (eg. is a smart contract at the moment of execution).\n     *\n     * IMPORTANT: Overriding this function is discouraged because it poses a reentrancy risk from the receiver. So any\n     * update to the contract state after this function would break the check-effect-interaction pattern. Consider\n     * overriding {_update} instead.\n     */\n    function _updateWithAcceptanceCheck(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory values,\n        bytes memory data\n    ) internal virtual {\n        _update(from, to, ids, values);\n        if (to != address(0)) {\n            address operator = _msgSender();\n            if (ids.length == 1) {\n                uint256 id = ids.unsafeMemoryAccess(0);\n                uint256 value = values.unsafeMemoryAccess(0);\n                _doSafeTransferAcceptanceCheck(operator, from, to, id, value, data);\n            } else {\n                _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, values, data);\n            }\n        }\n    }\n\n    /**\n     * @dev Transfers a `value` tokens of token type `id` from `from` to `to`.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - `from` must have a balance of tokens of type `id` of at least `value` amount.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function _safeTransferFrom(address from, address to, uint256 id, uint256 value, bytes memory data) internal {\n        if (to == address(0)) {\n            revert ERC1155InvalidReceiver(address(0));\n        }\n        if (from == address(0)) {\n            revert ERC1155InvalidSender(address(0));\n        }\n        (uint256[] memory ids, uint256[] memory values) = _asSingletonArrays(id, value);\n        _updateWithAcceptanceCheck(from, to, ids, values, data);\n    }\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     * - `ids` and `values` must have the same length.\n     */\n    function _safeBatchTransferFrom(\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory values,\n        bytes memory data\n    ) internal {\n        if (to == address(0)) {\n            revert ERC1155InvalidReceiver(address(0));\n        }\n        if (from == address(0)) {\n            revert ERC1155InvalidSender(address(0));\n        }\n        _updateWithAcceptanceCheck(from, to, ids, values, data);\n    }\n\n    /**\n     * @dev Sets a new URI for all token types, by relying on the token type ID\n     * substitution mechanism\n     * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].\n     *\n     * By this mechanism, any occurrence of the `\\{id\\}` substring in either the\n     * URI or any of the values in the JSON file at said URI will be replaced by\n     * clients with the token type ID.\n     *\n     * For example, the `https://token-cdn-domain/\\{id\\}.json` URI would be\n     * interpreted by clients as\n     * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`\n     * for token type ID 0x4cce0.\n     *\n     * See {uri}.\n     *\n     * Because these URIs cannot be meaningfully represented by the {URI} event,\n     * this function emits no events.\n     */\n    function _setURI(string memory newuri) internal virtual {\n        _uri = newuri;\n    }\n\n    /**\n     * @dev Creates a `value` amount of tokens of type `id`, and assigns them to `to`.\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the\n     * acceptance magic value.\n     */\n    function _mint(address to, uint256 id, uint256 value, bytes memory data) internal {\n        if (to == address(0)) {\n            revert ERC1155InvalidReceiver(address(0));\n        }\n        (uint256[] memory ids, uint256[] memory values) = _asSingletonArrays(id, value);\n        _updateWithAcceptanceCheck(address(0), to, ids, values, data);\n    }\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `ids` and `values` must have the same length.\n     * - `to` cannot be the zero address.\n     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the\n     * acceptance magic value.\n     */\n    function _mintBatch(address to, uint256[] memory ids, uint256[] memory values, bytes memory data) internal {\n        if (to == address(0)) {\n            revert ERC1155InvalidReceiver(address(0));\n        }\n        _updateWithAcceptanceCheck(address(0), to, ids, values, data);\n    }\n\n    /**\n     * @dev Destroys a `value` amount of tokens of type `id` from `from`\n     *\n     * Emits a {TransferSingle} event.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `from` must have at least `value` amount of tokens of type `id`.\n     */\n    function _burn(address from, uint256 id, uint256 value) internal {\n        if (from == address(0)) {\n            revert ERC1155InvalidSender(address(0));\n        }\n        (uint256[] memory ids, uint256[] memory values) = _asSingletonArrays(id, value);\n        _updateWithAcceptanceCheck(from, address(0), ids, values, \"\");\n    }\n\n    /**\n     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.\n     *\n     * Emits a {TransferBatch} event.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `from` must have at least `value` amount of tokens of type `id`.\n     * - `ids` and `values` must have the same length.\n     */\n    function _burnBatch(address from, uint256[] memory ids, uint256[] memory values) internal {\n        if (from == address(0)) {\n            revert ERC1155InvalidSender(address(0));\n        }\n        _updateWithAcceptanceCheck(from, address(0), ids, values, \"\");\n    }\n\n    /**\n     * @dev Approve `operator` to operate on all of `owner` tokens\n     *\n     * Emits an {ApprovalForAll} event.\n     *\n     * Requirements:\n     *\n     * - `operator` cannot be the zero address.\n     */\n    function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {\n        if (operator == address(0)) {\n            revert ERC1155InvalidOperator(address(0));\n        }\n        _operatorApprovals[owner][operator] = approved;\n        emit ApprovalForAll(owner, operator, approved);\n    }\n\n    /**\n     * @dev Performs an acceptance check by calling {IERC1155-onERC1155Received} on the `to` address\n     * if it contains code at the moment of execution.\n     */\n    function _doSafeTransferAcceptanceCheck(\n        address operator,\n        address from,\n        address to,\n        uint256 id,\n        uint256 value,\n        bytes memory data\n    ) private {\n        if (to.code.length > 0) {\n            try IERC1155Receiver(to).onERC1155Received(operator, from, id, value, data) returns (bytes4 response) {\n                if (response != IERC1155Receiver.onERC1155Received.selector) {\n                    // Tokens rejected\n                    revert ERC1155InvalidReceiver(to);\n                }\n            } catch (bytes memory reason) {\n                if (reason.length == 0) {\n                    // non-ERC1155Receiver implementer\n                    revert ERC1155InvalidReceiver(to);\n                } else {\n                    /// @solidity memory-safe-assembly\n                    assembly {\n                        revert(add(32, reason), mload(reason))\n                    }\n                }\n            }\n        }\n    }\n\n    /**\n     * @dev Performs a batch acceptance check by calling {IERC1155-onERC1155BatchReceived} on the `to` address\n     * if it contains code at the moment of execution.\n     */\n    function _doSafeBatchTransferAcceptanceCheck(\n        address operator,\n        address from,\n        address to,\n        uint256[] memory ids,\n        uint256[] memory values,\n        bytes memory data\n    ) private {\n        if (to.code.length > 0) {\n            try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, values, data) returns (\n                bytes4 response\n            ) {\n                if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {\n                    // Tokens rejected\n                    revert ERC1155InvalidReceiver(to);\n                }\n            } catch (bytes memory reason) {\n                if (reason.length == 0) {\n                    // non-ERC1155Receiver implementer\n                    revert ERC1155InvalidReceiver(to);\n                } else {\n                    /// @solidity memory-safe-assembly\n                    assembly {\n                        revert(add(32, reason), mload(reason))\n                    }\n                }\n            }\n        }\n    }\n\n    /**\n     * @dev Creates an array in memory with only one value for each of the elements provided.\n     */\n    function _asSingletonArrays(\n        uint256 element1,\n        uint256 element2\n    ) private pure returns (uint256[] memory array1, uint256[] memory array2) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            // Load the free memory pointer\n            array1 := mload(0x40)\n            // Set array length to 1\n            mstore(array1, 1)\n            // Store the single element at the next word after the length (where content starts)\n            mstore(add(array1, 0x20), element1)\n\n            // Repeat for next array locating it right after the first array\n            array2 := add(array1, 0x40)\n            mstore(array2, 1)\n            mstore(add(array2, 0x20), element2)\n\n            // Update the free memory pointer by pointing after the second array\n            mstore(0x40, add(array2, 0x40))\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/interfaces/draft-IERC6093.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)\npragma solidity ^0.8.20;\n\n/**\n * @dev Standard ERC20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.\n */\ninterface IERC20Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC20InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC20InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     * @param allowance Amount of tokens a `spender` is allowed to operate with.\n     * @param needed Minimum amount required to perform a transfer.\n     */\n    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC20InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n     * @param spender Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.\n */\ninterface IERC721Errors {\n    /**\n     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.\n     * Used in balance queries.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721InvalidOwner(address owner);\n\n    /**\n     * @dev Indicates a `tokenId` whose `owner` is the zero address.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721NonexistentToken(uint256 tokenId);\n\n    /**\n     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param tokenId Identifier number of a token.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC721InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC721InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC721InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.\n */\ninterface IERC1155Errors {\n    /**\n     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     * @param balance Current balance for the interacting account.\n     * @param needed Minimum amount required to perform a transfer.\n     * @param tokenId Identifier number of a token.\n     */\n    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n    /**\n     * @dev Indicates a failure with the token `sender`. Used in transfers.\n     * @param sender Address whose tokens are being transferred.\n     */\n    error ERC1155InvalidSender(address sender);\n\n    /**\n     * @dev Indicates a failure with the token `receiver`. Used in transfers.\n     * @param receiver Address to which tokens are being transferred.\n     */\n    error ERC1155InvalidReceiver(address receiver);\n\n    /**\n     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     * @param owner Address of the current owner of a token.\n     */\n    error ERC1155MissingApprovalForAll(address operator, address owner);\n\n    /**\n     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n     * @param approver Address initiating an approval operation.\n     */\n    error ERC1155InvalidApprover(address approver);\n\n    /**\n     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n     * @param operator Address that may be allowed to operate on tokens without being their owner.\n     */\n    error ERC1155InvalidOperator(address operator);\n\n    /**\n     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n     * Used in batch transfers.\n     * @param idsLength Length of the array of token identifiers\n     * @param valuesLength Length of the array of token amounts\n     */\n    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"
      },
      "@openzeppelin/contracts/access/Ownable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)\n\npragma solidity ^0.8.20;\n\nimport {Context} from \"../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 * The initial owner is set to the address provided by the deployer. This can\n * 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    /**\n     * @dev The caller account is not authorized to perform an operation.\n     */\n    error OwnableUnauthorizedAccount(address account);\n\n    /**\n     * @dev The owner is not a valid owner account. (eg. `address(0)`)\n     */\n    error OwnableInvalidOwner(address owner);\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.\n     */\n    constructor(address initialOwner) {\n        if (initialOwner == address(0)) {\n            revert OwnableInvalidOwner(address(0));\n        }\n        _transferOwnership(initialOwner);\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        if (owner() != _msgSender()) {\n            revert OwnableUnauthorizedAccount(_msgSender());\n        }\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        if (newOwner == address(0)) {\n            revert OwnableInvalidOwner(address(0));\n        }\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"
      }
    },
    "settings": {
      "remappings": [],
      "optimizer": {
        "enabled": true,
        "runs": 200
      },
      "evmVersion": "paris",
      "libraries": {},
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      }
    }
  }}