zellic-audit
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{
"language": "Solidity",
"settings": {
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 1337
},
"remappings": [],
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
}
},
"sources": {
"@openzeppelin/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n *\n * [IMPORTANT]\n * ====\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\n *\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n * constructor.\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies on extcodesize/address.code.length, which returns 0\n // for contracts in construction, since the code is only stored at the end\n // of the constructor execution.\n\n return account.code.length > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n (bool success, ) = recipient.call{value: amount}(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain `call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value\n ) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(\n address target,\n bytes memory data,\n uint256 value,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n require(isContract(target), \"Address: call to non-contract\");\n\n (bool success, bytes memory returndata) = target.call{value: value}(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a static call.\n *\n * _Available since v3.3._\n */\n function functionStaticCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal view returns (bytes memory) {\n require(isContract(target), \"Address: static call to non-contract\");\n\n (bool success, bytes memory returndata) = target.staticcall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n * but performing a delegate call.\n *\n * _Available since v3.4._\n */\n function functionDelegateCall(\n address target,\n bytes memory data,\n string memory errorMessage\n ) internal returns (bytes memory) {\n require(isContract(target), \"Address: delegate call to non-contract\");\n\n (bool success, bytes memory returndata) = target.delegatecall(data);\n return verifyCallResult(success, returndata, errorMessage);\n }\n\n /**\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n * revert reason using the provided one.\n *\n * _Available since v4.3._\n */\n function verifyCallResult(\n bool success,\n bytes memory returndata,\n string memory errorMessage\n ) internal pure returns (bytes memory) {\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n /// @solidity memory-safe-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n"
},
"@openzeppelin/contracts/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"
},
"@openzeppelin/contracts/utils/Strings.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n uint8 private constant _ADDRESS_LENGTH = 20;\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n */\n function toString(uint256 value) internal pure returns (string memory) {\n // Inspired by OraclizeAPI's implementation - MIT licence\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n if (value == 0) {\n return \"0\";\n }\n uint256 temp = value;\n uint256 digits;\n while (temp != 0) {\n digits++;\n temp /= 10;\n }\n bytes memory buffer = new bytes(digits);\n while (value != 0) {\n digits -= 1;\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n value /= 10;\n }\n return string(buffer);\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 if (value == 0) {\n return \"0x00\";\n }\n uint256 temp = value;\n uint256 length = 0;\n while (temp != 0) {\n length++;\n temp >>= 8;\n }\n return toHexString(value, length);\n }\n\n /**\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n */\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n bytes memory buffer = new bytes(2 * length + 2);\n buffer[0] = \"0\";\n buffer[1] = \"x\";\n for (uint256 i = 2 * length + 1; i > 1; --i) {\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\n value >>= 4;\n }\n require(value == 0, \"Strings: hex length insufficient\");\n return string(buffer);\n }\n\n /**\n * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n */\n function toHexString(address addr) internal pure returns (string memory) {\n return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n }\n}\n"
},
"@openzeppelin/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"src/access/roles/AccessControlInternal.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nimport \"@openzeppelin/contracts/utils/Context.sol\";\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\n\nimport \"./AccessControlStorage.sol\";\nimport \"./IAccessControlEvents.sol\";\n\nabstract contract AccessControlInternal is Context, IAccessControlEvents {\n using AccessControlStorage for AccessControlStorage.Layout;\n\n bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;\n\n /**\n * @dev Modifier that checks that an account has a specific role. Reverts\n * with a standardized message including the required role.\n *\n * The format of the revert reason is given by the following regular expression:\n *\n * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n *\n * _Available since v4.1._\n */\n modifier onlyRole(bytes32 role) {\n _checkRole(role);\n _;\n }\n\n /**\n * @dev Returns `true` if `account` has been granted `role`.\n */\n function _hasRole(bytes32 role, address account) internal view virtual returns (bool) {\n return AccessControlStorage.layout().roles[role].members[account];\n }\n\n /**\n * @dev Revert with a standard message if `_msgSender()` is missing `role`.\n * Overriding this function changes the behavior of the {onlyRole} modifier.\n *\n * Format of the revert message is described in {_checkRole}.\n *\n * _Available since v4.6._\n */\n function _checkRole(bytes32 role) internal view virtual {\n _checkRole(role, _msgSender());\n }\n\n /**\n * @dev Revert with a standard message if `account` is missing `role`.\n *\n * The format of the revert reason is given by the following regular expression:\n *\n * /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/\n */\n function _checkRole(bytes32 role, address account) internal view virtual {\n if (!_hasRole(role, account)) {\n revert(\n string(\n abi.encodePacked(\n \"AccessControl: account \",\n Strings.toHexString(account),\n \" is missing role \",\n Strings.toHexString(uint256(role), 32)\n )\n )\n );\n }\n }\n\n /**\n * @dev Returns the admin role that controls `role`. See {grantRole} and\n * {revokeRole}.\n *\n * To change a role's admin, use {_setRoleAdmin}.\n */\n function _getRoleAdmin(bytes32 role) internal view virtual returns (bytes32) {\n return AccessControlStorage.layout().roles[role].adminRole;\n }\n\n /**\n * @dev Revokes `role` from the calling account.\n *\n * Roles are often managed via {grantRole} and {revokeRole}: this function's\n * purpose is to provide a mechanism for accounts to lose their privileges\n * if they are compromised (such as when a trusted device is misplaced).\n *\n * If the calling account had been revoked `role`, emits a {RoleRevoked}\n * event.\n *\n * Requirements:\n *\n * - the caller must be `account`.\n *\n * May emit a {RoleRevoked} event.\n */\n function _renounceRole(bytes32 role, address account) internal virtual {\n require(account == _msgSender(), \"AccessControl: can only renounce roles for self\");\n\n _revokeRole(role, account);\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * If `account` had not been already granted `role`, emits a {RoleGranted}\n * event. Note that unlike {grantRole}, this function doesn't perform any\n * checks on the calling account.\n *\n * May emit a {RoleGranted} event.\n *\n * [WARNING]\n * ====\n * This function should only be called from the constructor when setting\n * up the initial roles for the system.\n *\n * Using this function in any other way is effectively circumventing the admin\n * system imposed by {AccessControl}.\n * ====\n *\n * NOTE: This function is deprecated in favor of {_grantRole}.\n */\n function _setupRole(bytes32 role, address account) internal virtual {\n _grantRole(role, account);\n }\n\n /**\n * @dev Sets `adminRole` as ``role``'s admin role.\n *\n * Emits a {RoleAdminChanged} event.\n */\n function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {\n bytes32 previousAdminRole = _getRoleAdmin(role);\n AccessControlStorage.layout().roles[role].adminRole = adminRole;\n emit RoleAdminChanged(role, previousAdminRole, adminRole);\n }\n\n /**\n * @dev Grants `role` to `account`.\n *\n * Internal function without access restriction.\n *\n * May emit a {RoleGranted} event.\n */\n function _grantRole(bytes32 role, address account) internal virtual {\n if (!_hasRole(role, account)) {\n AccessControlStorage.layout().roles[role].members[account] = true;\n emit RoleGranted(role, account, _msgSender());\n }\n }\n\n /**\n * @dev Revokes `role` from `account`.\n *\n * Internal function without access restriction.\n *\n * May emit a {RoleRevoked} event.\n */\n function _revokeRole(bytes32 role, address account) internal virtual {\n if (_hasRole(role, account)) {\n AccessControlStorage.layout().roles[role].members[account] = false;\n emit RoleRevoked(role, account, _msgSender());\n }\n }\n}\n"
},
"src/access/roles/AccessControlStorage.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nlibrary AccessControlStorage {\n struct RoleData {\n mapping(address => bool) members;\n bytes32 adminRole;\n }\n\n struct Layout {\n mapping(bytes32 => RoleData) roles;\n }\n\n bytes32 internal constant STORAGE_SLOT = keccak256(\"openzeppelin.contracts.storage.AccessControl\");\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n"
},
"src/access/roles/IAccessControlEvents.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\n/**\n * @dev External interface of AccessControl declared to support ERC165 detection.\n */\ninterface IAccessControlEvents {\n /**\n * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`\n *\n * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite\n * {RoleAdminChanged} not being emitted signaling this.\n *\n * _Available since v3.1._\n */\n event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);\n\n /**\n * @dev Emitted when `account` is granted `role`.\n *\n * `sender` is the account that originated the contract call, an admin role\n * bearer except when using {AccessControl-_setupRole}.\n */\n event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);\n\n /**\n * @dev Emitted when `account` is revoked `role`.\n *\n * `sender` is the account that originated the contract call:\n * - if using `revokeRole`, it is the admin role bearer\n * - if using `renounceRole`, it is the role bearer (i.e. `account`)\n */\n event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);\n}\n"
},
"src/common/Errors.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\n/**\n * The caller must be the current contract itself.\n */\nerror ErrSenderIsNotSelf();\n"
},
"src/metatx/ERC2771ContextInternal.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nimport \"@openzeppelin/contracts/utils/Context.sol\";\n\nimport \"./ERC2771ContextStorage.sol\";\n\nabstract contract ERC2771ContextInternal is Context {\n function _isTrustedForwarder(address operator) internal view returns (bool) {\n return ERC2771ContextStorage.layout().trustedForwarder == operator;\n }\n\n function _msgSender() internal view virtual override returns (address sender) {\n if (_isTrustedForwarder(msg.sender)) {\n // The assembly code is more direct than the Solidity version using `abi.decode`.\n /// @solidity memory-safe-assembly\n assembly {\n sender := shr(96, calldataload(sub(calldatasize(), 20)))\n }\n } else {\n return super._msgSender();\n }\n }\n\n function _msgData() internal view virtual override returns (bytes calldata) {\n if (_isTrustedForwarder(msg.sender)) {\n return msg.data[:msg.data.length - 20];\n } else {\n return super._msgData();\n }\n }\n}\n"
},
"src/metatx/ERC2771ContextStorage.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nlibrary ERC2771ContextStorage {\n struct Layout {\n address trustedForwarder;\n }\n\n bytes32 internal constant STORAGE_SLOT = keccak256(\"openzeppelin.contracts.storage.ERC2771Context\");\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n"
},
"src/token/ERC1155/IERC1155Events.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\n/**\n * @title Partial ERC1155 interface needed by internal functions\n */\ninterface IERC1155Events {\n event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);\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 event ApprovalForAll(address indexed account, address indexed operator, bool approved);\n}\n"
},
"src/token/ERC1155/IERC1155Receiver.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nimport \"@openzeppelin/contracts/utils/introspection/IERC165.sol\";\n\n/**\n * @title ERC1155 transfer receiver interface\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"
},
"src/token/ERC1155/base/ERC1155BaseInternal.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nimport \"@openzeppelin/contracts/utils/Address.sol\";\nimport \"@openzeppelin/contracts/utils/Context.sol\";\n\nimport \"../IERC1155Events.sol\";\nimport \"../IERC1155Receiver.sol\";\nimport \"./ERC1155BaseStorage.sol\";\n\n/**\n * @title Base ERC1155 internal functions\n * @dev derived from https://github.com/OpenZeppelin/openzeppelin-contracts/ (MIT license)\n */\nabstract contract ERC1155BaseInternal is Context, IERC1155Events {\n using Address for address;\n\n /**\n * @notice query the balance of given token held by given address\n * @param account address to query\n * @param id token to query\n * @return token balance\n */\n function _balanceOf(address account, uint256 id) internal view virtual returns (uint256) {\n require(account != address(0), \"ERC1155: balance query for the zero address\");\n return ERC1155BaseStorage.layout().balances[id][account];\n }\n\n /**\n * @notice mint given quantity of tokens for given address\n * @dev ERC1155Receiver implementation is not checked\n * @param account beneficiary of minting\n * @param id token ID\n * @param amount quantity of tokens to mint\n * @param data data payload\n */\n function _mint(\n address account,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) internal virtual {\n address operator = _msgSender();\n require(account != address(0), \"ERC1155: mint to the zero address\");\n\n _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data);\n\n ERC1155BaseStorage.layout().balances[id][account] += amount;\n\n emit TransferSingle(operator, address(0), account, id, amount);\n }\n\n /**\n * @notice mint given quantity of tokens for given address\n * @param account beneficiary of minting\n * @param id token ID\n * @param amount quantity of tokens to mint\n * @param data data payload\n */\n function _safeMint(\n address account,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) internal virtual {\n _mint(account, id, amount, data);\n\n _doSafeTransferAcceptanceCheck(_msgSender(), address(0), account, id, amount, data);\n }\n\n /**\n * @notice mint batch of tokens for given address\n * @dev ERC1155Receiver implementation is not checked\n * @param account beneficiary of minting\n * @param ids list of token IDs\n * @param amounts list of quantities of tokens to mint\n * @param data data payload\n */\n function _mintBatch(\n address account,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) internal virtual {\n require(account != address(0), \"ERC1155: mint to the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n address sender = _msgSender();\n\n _beforeTokenTransfer(sender, address(0), account, ids, amounts, data);\n\n mapping(uint256 => mapping(address => uint256)) storage balances = ERC1155BaseStorage.layout().balances;\n\n for (uint256 i; i < ids.length; ) {\n balances[ids[i]][account] += amounts[i];\n unchecked {\n i++;\n }\n }\n\n emit TransferBatch(sender, address(0), account, ids, amounts);\n }\n\n function _mintBatch(\n address[] calldata accounts,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes[] calldata datas\n ) internal virtual {\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n require(accounts.length == amounts.length, \"ERC1155: accounts and amounts length mismatch\");\n\n address operator = _msgSender();\n\n mapping(uint256 => mapping(address => uint256)) storage balances = ERC1155BaseStorage.layout().balances;\n\n for (uint256 i; i < ids.length; ) {\n _beforeTokenTransfer(\n operator,\n address(0),\n accounts[i],\n _asSingletonArray(ids[i]),\n _asSingletonArray(amounts[i]),\n datas[i]\n );\n\n balances[ids[i]][accounts[i]] += amounts[i];\n\n emit TransferSingle(operator, address(0), accounts[i], ids[i], amounts[i]);\n\n unchecked {\n i++;\n }\n }\n }\n\n /**\n * @notice mint batch of tokens for given address\n * @param account beneficiary of minting\n * @param ids list of token IDs\n * @param amounts list of quantities of tokens to mint\n * @param data data payload\n */\n function _safeMintBatch(\n address account,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes calldata data\n ) internal virtual {\n _mintBatch(account, ids, amounts, data);\n\n _doSafeBatchTransferAcceptanceCheck(_msgSender(), address(0), account, ids, amounts, data);\n }\n\n /**\n * @notice burn given quantity of tokens held by given address\n * @param account holder of tokens to burn\n * @param id token ID\n * @param amount quantity of tokens to burn\n */\n function _burn(\n address account,\n uint256 id,\n uint256 amount\n ) internal virtual {\n require(account != address(0), \"ERC1155: burn from the zero address\");\n\n address sender = _msgSender();\n\n _beforeTokenTransfer(sender, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), \"\");\n\n mapping(address => uint256) storage balances = ERC1155BaseStorage.layout().balances[id];\n\n unchecked {\n require(balances[account] >= amount, \"ERC1155: burn amount exceeds balance\");\n balances[account] -= amount;\n }\n\n emit TransferSingle(sender, account, address(0), id, amount);\n }\n\n /**\n * @notice burn given batch of tokens held by given address\n * @param account holder of tokens to burn\n * @param ids token IDs\n * @param amounts quantities of tokens to burn\n */\n function _burnBatch(\n address account,\n uint256[] calldata ids,\n uint256[] calldata amounts\n ) internal virtual {\n require(account != address(0), \"ERC1155: burn from the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n address sender = _msgSender();\n\n _beforeTokenTransfer(sender, account, address(0), ids, amounts, \"\");\n\n mapping(uint256 => mapping(address => uint256)) storage balances = ERC1155BaseStorage.layout().balances;\n\n unchecked {\n for (uint256 i; i < ids.length; i++) {\n uint256 id = ids[i];\n require(balances[id][account] >= amounts[i], \"ERC1155: burn amount exceeds balance\");\n balances[id][account] -= amounts[i];\n }\n }\n\n emit TransferBatch(sender, account, address(0), ids, amounts);\n }\n\n /**\n * @notice transfer tokens between given addresses\n * @dev ERC1155Receiver implementation is not checked\n * @param operator executor of transfer\n * @param sender sender of tokens\n * @param recipient receiver of tokens\n * @param id token ID\n * @param amount quantity of tokens to transfer\n * @param data data payload\n */\n function _transfer(\n address operator,\n address sender,\n address recipient,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) internal virtual {\n require(recipient != address(0), \"ERC1155: transfer to the zero address\");\n\n _beforeTokenTransfer(operator, sender, recipient, _asSingletonArray(id), _asSingletonArray(amount), data);\n\n mapping(uint256 => mapping(address => uint256)) storage balances = ERC1155BaseStorage.layout().balances;\n\n unchecked {\n uint256 senderBalance = balances[id][sender];\n require(senderBalance >= amount, \"ERC1155: insufficient balances for transfer\");\n balances[id][sender] = senderBalance - amount;\n }\n\n balances[id][recipient] += amount;\n\n emit TransferSingle(operator, sender, recipient, id, amount);\n }\n\n /**\n * @notice transfer tokens between given addresses\n * @param operator executor of transfer\n * @param sender sender of tokens\n * @param recipient receiver of tokens\n * @param id token ID\n * @param amount quantity of tokens to transfer\n * @param data data payload\n */\n function _safeTransfer(\n address operator,\n address sender,\n address recipient,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) internal virtual {\n _transfer(operator, sender, recipient, id, amount, data);\n\n _doSafeTransferAcceptanceCheck(operator, sender, recipient, id, amount, data);\n }\n\n /**\n * @notice transfer batch of tokens between given addresses\n * @dev ERC1155Receiver implementation is not checked\n * @param operator executor of transfer\n * @param sender sender of tokens\n * @param recipient receiver of tokens\n * @param ids token IDs\n * @param amounts quantities of tokens to transfer\n * @param data data payload\n */\n function _transferBatch(\n address operator,\n address sender,\n address recipient,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n require(recipient != address(0), \"ERC1155: transfer to the zero address\");\n require(ids.length == amounts.length, \"ERC1155: ids and amounts length mismatch\");\n\n _beforeTokenTransfer(operator, sender, recipient, ids, amounts, data);\n\n mapping(uint256 => mapping(address => uint256)) storage balances = ERC1155BaseStorage.layout().balances;\n\n for (uint256 i; i < ids.length; ) {\n uint256 token = ids[i];\n uint256 amount = amounts[i];\n\n unchecked {\n uint256 senderBalance = balances[token][sender];\n\n require(senderBalance >= amount, \"ERC1155: insufficient balances for transfer\");\n\n balances[token][sender] = senderBalance - amount;\n\n i++;\n }\n\n // balance increase cannot be unchecked because ERC1155Base neither tracks nor validates a totalSupply\n balances[token][recipient] += amount;\n }\n\n emit TransferBatch(operator, sender, recipient, ids, amounts);\n }\n\n /**\n * @notice transfer batch of tokens between given addresses\n * @param operator executor of transfer\n * @param sender sender of tokens\n * @param recipient receiver of tokens\n * @param ids token IDs\n * @param amounts quantities of tokens to transfer\n * @param data data payload\n */\n function _safeTransferBatch(\n address operator,\n address sender,\n address recipient,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {\n _transferBatch(operator, sender, recipient, ids, amounts, data);\n\n _doSafeBatchTransferAcceptanceCheck(operator, sender, recipient, ids, amounts, data);\n }\n\n /**\n * @notice wrap given element in array of length 1\n * @param element element to wrap\n * @return singleton array\n */\n function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {\n uint256[] memory array = new uint256[](1);\n array[0] = element;\n return array;\n }\n\n /**\n * @notice revert if applicable transfer recipient is not valid ERC1155Receiver\n * @param operator executor of transfer\n * @param from sender of tokens\n * @param to receiver of tokens\n * @param id token ID\n * @param amount quantity of tokens to transfer\n * @param data data payload\n */\n function _doSafeTransferAcceptanceCheck(\n address operator,\n address from,\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) private {\n if (to.isContract()) {\n try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {\n require(\n response == IERC1155Receiver.onERC1155Received.selector,\n \"ERC1155: ERC1155Receiver rejected tokens\"\n );\n } catch Error(string memory reason) {\n revert(reason);\n } catch {\n revert(\"ERC1155: transfer to non ERC1155Receiver implementer\");\n }\n }\n }\n\n /**\n * @notice revert if applicable transfer recipient is not valid ERC1155Receiver\n * @param operator executor of transfer\n * @param from sender of tokens\n * @param to receiver of tokens\n * @param ids token IDs\n * @param amounts quantities of tokens to transfer\n * @param data data payload\n */\n function _doSafeBatchTransferAcceptanceCheck(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) private {\n if (to.isContract()) {\n try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (\n bytes4 response\n ) {\n require(\n response == IERC1155Receiver.onERC1155BatchReceived.selector,\n \"ERC1155: ERC1155Receiver rejected tokens\"\n );\n } catch Error(string memory reason) {\n revert(reason);\n } catch {\n revert(\"ERC1155: transfer to non ERC1155Receiver implementer\");\n }\n }\n }\n\n /**\n * @notice ERC1155 hook, called before all transfers including mint and burn\n * @dev function should be overridden and new implementation must call super\n * @dev called for both single and batch transfers\n * @param operator executor of transfer\n * @param from sender of tokens\n * @param to receiver of tokens\n * @param ids token IDs\n * @param amounts quantities of tokens to transfer\n * @param data data payload\n */\n function _beforeTokenTransfer(\n address operator,\n address from,\n address to,\n uint256[] memory ids,\n uint256[] memory amounts,\n bytes memory data\n ) internal virtual {}\n}\n"
},
"src/token/ERC1155/base/ERC1155BaseStorage.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nlibrary ERC1155BaseStorage {\n struct Layout {\n mapping(uint256 => mapping(address => uint256)) balances;\n mapping(address => mapping(address => bool)) operatorApprovals;\n }\n\n bytes32 internal constant STORAGE_SLOT = keccak256(\"openzeppelin.contracts.storage.ERC1155Base\");\n\n function layout() internal pure returns (Layout storage l) {\n bytes32 slot = STORAGE_SLOT;\n assembly {\n l.slot := slot\n }\n }\n}\n"
},
"src/token/ERC1155/extensions/mintable/IERC1155MintableExtension.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\n/**\n * @dev Extension of {ERC1155} that allows other facets from the diamond to mint tokens.\n */\ninterface IERC1155MintableExtension {\n /**\n * @dev Creates `amount` new tokens for `to`, of token type `id`.\n *\n * See {ERC1155-_mint}.\n *\n * Requirements:\n *\n * - the caller must be diamond itself (other facets).\n */\n function mintByFacet(\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n function mintByFacet(\n address[] calldata tos,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes[] calldata datas\n ) external;\n}\n"
},
"src/token/ERC1155/facets/minting/ERC1155MintableRoleBased.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nimport \"../../../../common/Errors.sol\";\nimport \"../../../../access/roles/AccessControlInternal.sol\";\nimport \"../../extensions/mintable/IERC1155MintableExtension.sol\";\nimport \"../../base/ERC1155BaseInternal.sol\";\nimport \"./IERC1155MintableRoleBased.sol\";\n\n/**\n * @title ERC1155 - Mint as role\n * @notice Allow minting for grantees of MINTER_ROLE.\n *\n * @custom:type eip-2535-facet\n * @custom:category NFTs\n * @custom:required-dependencies IERC1155MintableExtension\n * @custom:provides-interfaces IERC1155MintableRoleBased\n */\ncontract ERC1155MintableRoleBased is IERC1155MintableRoleBased, AccessControlInternal {\n bytes32 public constant MINTER_ROLE = keccak256(\"MINTER_ROLE\");\n\n /**\n * @inheritdoc IERC1155MintableRoleBased\n */\n function mintByRole(\n address to,\n uint256 id,\n uint256 amount,\n bytes memory data\n ) public virtual onlyRole(MINTER_ROLE) {\n IERC1155MintableExtension(address(this)).mintByFacet(to, id, amount, data);\n }\n\n /**\n * @inheritdoc IERC1155MintableRoleBased\n */\n function mintByRole(\n address[] calldata tos,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes[] calldata datas\n ) public virtual onlyRole(MINTER_ROLE) {\n IERC1155MintableExtension(address(this)).mintByFacet(tos, ids, amounts, datas);\n }\n}\n"
},
"src/token/ERC1155/facets/minting/ERC1155MintableRoleBasedERC2771.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\nimport \"../../../../metatx/ERC2771ContextInternal.sol\";\nimport \"./ERC1155MintableRoleBased.sol\";\n\n/**\n * @title ERC1155 - Mint as role - with meta transactions\n * @notice Allow minting for grantees of MINTER_ROLE with meta-transactions supported via ERC2771.\n *\n * @custom:type eip-2535-facet\n * @custom:category NFTs\n * @custom:required-dependencies IERC1155MintableExtension\n * @custom:provides-interfaces IERC1155MintableRoleBased\n */\ncontract ERC1155MintableRoleBasedERC2771 is ERC1155MintableRoleBased, ERC2771ContextInternal {\n function _msgSender() internal view virtual override(Context, ERC2771ContextInternal) returns (address) {\n return ERC2771ContextInternal._msgSender();\n }\n\n function _msgData() internal view virtual override(Context, ERC2771ContextInternal) returns (bytes calldata) {\n return ERC2771ContextInternal._msgData();\n }\n}\n"
},
"src/token/ERC1155/facets/minting/IERC1155MintableRoleBased.sol": {
"content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.15;\n\n/**\n * @dev Extension of {ERC1155} that allows a specific role to mint tokens.\n */\ninterface IERC1155MintableRoleBased {\n /**\n * @dev Creates `amount` new tokens for `to`, of token type `id`.\n *\n * See {ERC1155-_mint}.\n *\n * Requirements:\n *\n * - the caller must have MINTER_ROLE.\n */\n function mintByRole(\n address to,\n uint256 id,\n uint256 amount,\n bytes calldata data\n ) external;\n\n function mintByRole(\n address[] calldata tos,\n uint256[] calldata ids,\n uint256[] calldata amounts,\n bytes[] calldata data\n ) external;\n}\n"
}
}
}