IERC165.json

{
  "contractName": "IERC165",
  "sourceName": "solc_0.8/openzeppelin/utils/introspection/IERC165.sol",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "bytes4",
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "supportsInterface",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    }
  ],
  "bytecode": "0x",
  "deployedBytecode": "0x",
  "linkReferences": {},
  "deployedLinkReferences": {},
  "devdoc": {
    "details": "Interface of the ERC165 standard, as defined in the https://eips.ethereum.org/EIPS/eip-165[EIP]. Implementers can declare support of contract interfaces, which can then be queried by others ({ERC165Checker}). For an implementation, see {ERC165}.",
    "kind": "dev",
    "methods": {
      "supportsInterface(bytes4)": {
        "details": "Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. This function call must use less than 30 000 gas."
      }
    },
    "version": 1
  },
  "evm": {
    "bytecode": {
      "functionDebugData": {},
      "generatedSources": [],
      "linkReferences": {},
      "object": "",
      "opcodes": "",
      "sourceMap": ""
    },
    "deployedBytecode": {
      "functionDebugData": {},
      "generatedSources": [],
      "immutableReferences": {},
      "linkReferences": {},
      "object": "",
      "opcodes": "",
      "sourceMap": ""
    },
    "gasEstimates": null,
    "methodIdentifiers": {
      "supportsInterface(bytes4)": "01ffc9a7"
    }
  },
  "metadata": "{\"compiler\":{\"version\":\"0.8.10+commit.fc410830\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Interface of the ERC165 standard, as defined in the https://eips.ethereum.org/EIPS/eip-165[EIP]. Implementers can declare support of contract interfaces, which can then be queried by others ({ERC165Checker}). For an implementation, see {ERC165}.\",\"kind\":\"dev\",\"methods\":{\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. This function call must use less than 30 000 gas.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"solc_0.8/openzeppelin/utils/introspection/IERC165.sol\":\"IERC165\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":999999},\"remappings\":[]},\"sources\":{\"solc_0.8/openzeppelin/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\",\"keccak256\":\"0x447a5f3ddc18419d41ff92b3773fb86471b1db25773e07f877f548918a185bf1\",\"license\":\"MIT\"}},\"version\":1}",
  "storageLayout": {
    "storage": [],
    "types": null
  },
  "userdoc": {
    "kind": "user",
    "methods": {},
    "version": 1
  },
  "solcInput": "{\n  \"language\": \"Solidity\",\n  \"sources\": {\n    \"solc_0.8/openzeppelin/utils/introspection/ERC165.sol\": {\n      \"content\": \"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"./IERC165.sol\\\";\\n\\n/**\\n * @dev Implementation of the {IERC165} interface.\\n *\\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\\n * for the additional interface id that will be supported. For example:\\n *\\n * ```solidity\\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\\n * }\\n * ```\\n *\\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\\n */\\nabstract contract ERC165 is IERC165 {\\n    /**\\n     * @dev See {IERC165-supportsInterface}.\\n     */\\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\\n        return interfaceId == type(IERC165).interfaceId;\\n    }\\n}\\n\"\n    },\n    \"solc_0.8/openzeppelin/utils/introspection/IERC165.sol\": {\n      \"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\"\n    },\n    \"solc_0.8/openzeppelin/utils/introspection/ERC165Storage.sol\": {\n      \"content\": \"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165Storage.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"./ERC165.sol\\\";\\n\\n/**\\n * @dev Storage based implementation of the {IERC165} interface.\\n *\\n * Contracts may inherit from this and call {_registerInterface} to declare\\n * their support of an interface.\\n */\\nabstract contract ERC165Storage is ERC165 {\\n    /**\\n     * @dev Mapping of interface ids to whether or not it's supported.\\n     */\\n    mapping(bytes4 => bool) private _supportedInterfaces;\\n\\n    /**\\n     * @dev See {IERC165-supportsInterface}.\\n     */\\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\\n        return super.supportsInterface(interfaceId) || _supportedInterfaces[interfaceId];\\n    }\\n\\n    /**\\n     * @dev Registers the contract as an implementer of the interface defined by\\n     * `interfaceId`. Support of the actual ERC165 interface is automatic and\\n     * registering its interface id is not required.\\n     *\\n     * See {IERC165-supportsInterface}.\\n     *\\n     * Requirements:\\n     *\\n     * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`).\\n     */\\n    function _registerInterface(bytes4 interfaceId) internal virtual {\\n        require(interfaceId != 0xffffffff, \\\"ERC165: invalid interface id\\\");\\n        _supportedInterfaces[interfaceId] = true;\\n    }\\n}\\n\"\n    },\n    \"solc_0.8/openzeppelin/utils/introspection/ERC165Checker.sol\": {\n      \"content\": \"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165Checker.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"./IERC165.sol\\\";\\n\\n/**\\n * @dev Library used to query support of an interface declared via {IERC165}.\\n *\\n * Note that these functions return the actual result of the query: they do not\\n * `revert` if an interface is not supported. It is up to the caller to decide\\n * what to do in these cases.\\n */\\nlibrary ERC165Checker {\\n    // As per the EIP-165 spec, no interface should ever match 0xffffffff\\n    bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff;\\n\\n    /**\\n     * @dev Returns true if `account` supports the {IERC165} interface,\\n     */\\n    function supportsERC165(address account) internal view returns (bool) {\\n        // Any contract that implements ERC165 must explicitly indicate support of\\n        // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid\\n        return\\n            _supportsERC165Interface(account, type(IERC165).interfaceId) &&\\n            !_supportsERC165Interface(account, _INTERFACE_ID_INVALID);\\n    }\\n\\n    /**\\n     * @dev Returns true if `account` supports the interface defined by\\n     * `interfaceId`. Support for {IERC165} itself is queried automatically.\\n     *\\n     * See {IERC165-supportsInterface}.\\n     */\\n    function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) {\\n        // query support of both ERC165 as per the spec and support of _interfaceId\\n        return supportsERC165(account) && _supportsERC165Interface(account, interfaceId);\\n    }\\n\\n    /**\\n     * @dev Returns a boolean array where each value corresponds to the\\n     * interfaces passed in and whether they're supported or not. This allows\\n     * you to batch check interfaces for a contract where your expectation\\n     * is that some interfaces may not be supported.\\n     *\\n     * See {IERC165-supportsInterface}.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function getSupportedInterfaces(address account, bytes4[] memory interfaceIds)\\n        internal\\n        view\\n        returns (bool[] memory)\\n    {\\n        // an array of booleans corresponding to interfaceIds and whether they're supported or not\\n        bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length);\\n\\n        // query support of ERC165 itself\\n        if (supportsERC165(account)) {\\n            // query support of each interface in interfaceIds\\n            for (uint256 i = 0; i < interfaceIds.length; i++) {\\n                interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]);\\n            }\\n        }\\n\\n        return interfaceIdsSupported;\\n    }\\n\\n    /**\\n     * @dev Returns true if `account` supports all the interfaces defined in\\n     * `interfaceIds`. Support for {IERC165} itself is queried automatically.\\n     *\\n     * Batch-querying can lead to gas savings by skipping repeated checks for\\n     * {IERC165} support.\\n     *\\n     * See {IERC165-supportsInterface}.\\n     */\\n    function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) {\\n        // query support of ERC165 itself\\n        if (!supportsERC165(account)) {\\n            return false;\\n        }\\n\\n        // query support of each interface in _interfaceIds\\n        for (uint256 i = 0; i < interfaceIds.length; i++) {\\n            if (!_supportsERC165Interface(account, interfaceIds[i])) {\\n                return false;\\n            }\\n        }\\n\\n        // all interfaces supported\\n        return true;\\n    }\\n\\n    /**\\n     * @notice Query if a contract implements an interface, does not check ERC165 support\\n     * @param account The address of the contract to query for support of an interface\\n     * @param interfaceId The interface identifier, as specified in ERC-165\\n     * @return true if the contract at account indicates support of the interface with\\n     * identifier interfaceId, false otherwise\\n     * @dev Assumes that account contains a contract that supports ERC165, otherwise\\n     * the behavior of this method is undefined. This precondition can be checked\\n     * with {supportsERC165}.\\n     * Interface identification is specified in ERC-165.\\n     */\\n    function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) {\\n        bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId);\\n        (bool success, bytes memory result) = account.staticcall{gas: 30000}(encodedParams);\\n        if (result.length < 32) return false;\\n        return success && abi.decode(result, (bool));\\n    }\\n}\\n\"\n    }\n  },\n  \"settings\": {\n    \"optimizer\": {\n      \"enabled\": true,\n      \"runs\": 999999\n    },\n    \"outputSelection\": {\n      \"*\": {\n        \"*\": [\n          \"abi\",\n          \"evm.bytecode\",\n          \"evm.deployedBytecode\",\n          \"evm.methodIdentifiers\",\n          \"metadata\",\n          \"devdoc\",\n          \"userdoc\",\n          \"storageLayout\",\n          \"evm.gasEstimates\"\n        ],\n        \"\": [\n          \"ast\"\n        ]\n      }\n    },\n    \"metadata\": {\n      \"useLiteralContent\": true\n    }\n  }\n}",
  "solcInputHash": "79de338ba05d5edc12f53c878431817f"
}