{
  "fileName": "IERC1820Registry.sol",
  "contractName": "IERC1820Registry",
  "source": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.7.0;\n\n/**\n * @dev Interface of the global ERC1820 Registry, as defined in the\n * https://eips.ethereum.org/EIPS/eip-1820[EIP]. Accounts may register\n * implementers for interfaces in this registry, as well as query support.\n *\n * Implementers may be shared by multiple accounts, and can also implement more\n * than a single interface for each account. Contracts can implement interfaces\n * for themselves, but externally-owned accounts (EOA) must delegate this to a\n * contract.\n *\n * {IERC165} interfaces can also be queried via the registry.\n *\n * For an in-depth explanation and source code analysis, see the EIP text.\n */\ninterface IERC1820Registry {\n    /**\n     * @dev Sets `newManager` as the manager for `account`. A manager of an\n     * account is able to set interface implementers for it.\n     *\n     * By default, each account is its own manager. Passing a value of `0x0` in\n     * `newManager` will reset the manager to this initial state.\n     *\n     * Emits a {ManagerChanged} event.\n     *\n     * Requirements:\n     *\n     * - the caller must be the current manager for `account`.\n     */\n    function setManager(address account, address newManager) external;\n\n    /**\n     * @dev Returns the manager for `account`.\n     *\n     * See {setManager}.\n     */\n    function getManager(address account) external view returns (address);\n\n    /**\n     * @dev Sets the `implementer` contract as ``account``'s implementer for\n     * `interfaceHash`.\n     *\n     * `account` being the zero address is an alias for the caller's address.\n     * The zero address can also be used in `implementer` to remove an old one.\n     *\n     * See {interfaceHash} to learn how these are created.\n     *\n     * Emits an {InterfaceImplementerSet} event.\n     *\n     * Requirements:\n     *\n     * - the caller must be the current manager for `account`.\n     * - `interfaceHash` must not be an {IERC165} interface id (i.e. it must not\n     * end in 28 zeroes).\n     * - `implementer` must implement {IERC1820Implementer} and return true when\n     * queried for support, unless `implementer` is the caller. See\n     * {IERC1820Implementer-canImplementInterfaceForAddress}.\n     */\n    function setInterfaceImplementer(address account, bytes32 interfaceHash, address implementer) external;\n\n    /**\n     * @dev Returns the implementer of `interfaceHash` for `account`. If no such\n     * implementer is registered, returns the zero address.\n     *\n     * If `interfaceHash` is an {IERC165} interface id (i.e. it ends with 28\n     * zeroes), `account` will be queried for support of it.\n     *\n     * `account` being the zero address is an alias for the caller's address.\n     */\n    function getInterfaceImplementer(address account, bytes32 interfaceHash) external view returns (address);\n\n    /**\n     * @dev Returns the interface hash for an `interfaceName`, as defined in the\n     * corresponding\n     * https://eips.ethereum.org/EIPS/eip-1820#interface-name[section of the EIP].\n     */\n    function interfaceHash(string calldata interfaceName) external pure returns (bytes32);\n\n    /**\n     *  @notice Updates the cache with whether the contract implements an ERC165 interface or not.\n     *  @param account Address of the contract for which to update the cache.\n     *  @param interfaceId ERC165 interface for which to update the cache.\n     */\n    function updateERC165Cache(address account, bytes4 interfaceId) external;\n\n    /**\n     *  @notice Checks whether a contract implements an ERC165 interface or not.\n     *  If the result is not cached a direct lookup on the contract address is performed.\n     *  If the result is not cached or the cached value is out-of-date, the cache MUST be updated manually by calling\n     *  {updateERC165Cache} with the contract address.\n     *  @param account Address of the contract to check.\n     *  @param interfaceId ERC165 interface to check.\n     *  @return True if `account` implements `interfaceId`, false otherwise.\n     */\n    function implementsERC165Interface(address account, bytes4 interfaceId) external view returns (bool);\n\n    /**\n     *  @notice Checks whether a contract implements an ERC165 interface or not without using nor updating the cache.\n     *  @param account Address of the contract to check.\n     *  @param interfaceId ERC165 interface to check.\n     *  @return True if `account` implements `interfaceId`, false otherwise.\n     */\n    function implementsERC165InterfaceNoCache(address account, bytes4 interfaceId) external view returns (bool);\n\n    event InterfaceImplementerSet(address indexed account, bytes32 indexed interfaceHash, address indexed implementer);\n\n    event ManagerChanged(address indexed account, address indexed newManager);\n}\n",
  "sourcePath": "contracts/introspection/IERC1820Registry.sol",
  "sourceMap": "",
  "deployedSourceMap": "",
  "abi": [
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "bytes32",
          "name": "interfaceHash",
          "type": "bytes32"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "implementer",
          "type": "address"
        }
      ],
      "name": "InterfaceImplementerSet",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "newManager",
          "type": "address"
        }
      ],
      "name": "ManagerChanged",
      "type": "event"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "internalType": "bytes32",
          "name": "interfaceHash",
          "type": "bytes32"
        }
      ],
      "name": "getInterfaceImplementer",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        }
      ],
      "name": "getManager",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "internalType": "bytes4",
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "implementsERC165Interface",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "internalType": "bytes4",
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "implementsERC165InterfaceNoCache",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "string",
          "name": "interfaceName",
          "type": "string"
        }
      ],
      "name": "interfaceHash",
      "outputs": [
        {
          "internalType": "bytes32",
          "name": "",
          "type": "bytes32"
        }
      ],
      "stateMutability": "pure",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "internalType": "bytes32",
          "name": "interfaceHash",
          "type": "bytes32"
        },
        {
          "internalType": "address",
          "name": "implementer",
          "type": "address"
        }
      ],
      "name": "setInterfaceImplementer",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "internalType": "address",
          "name": "newManager",
          "type": "address"
        }
      ],
      "name": "setManager",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "account",
          "type": "address"
        },
        {
          "internalType": "bytes4",
          "name": "interfaceId",
          "type": "bytes4"
        }
      ],
      "name": "updateERC165Cache",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "ast": {
    "absolutePath": "contracts/introspection/IERC1820Registry.sol",
    "exportedSymbols": {
      "IERC1820Registry": [
        2152
      ]
    },
    "id": 2153,
    "license": "MIT",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 2064,
        "literals": [
          "solidity",
          "^",
          "0.7",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "33:23:15"
      },
      {
        "abstract": false,
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "interface",
        "documentation": {
          "id": 2065,
          "nodeType": "StructuredDocumentation",
          "src": "58:619:15",
          "text": " @dev Interface of the global ERC1820 Registry, as defined in the\n https://eips.ethereum.org/EIPS/eip-1820[EIP]. Accounts may register\n implementers for interfaces in this registry, as well as query support.\n Implementers may be shared by multiple accounts, and can also implement more\n than a single interface for each account. Contracts can implement interfaces\n for themselves, but externally-owned accounts (EOA) must delegate this to a\n contract.\n {IERC165} interfaces can also be queried via the registry.\n For an in-depth explanation and source code analysis, see the EIP text."
        },
        "fullyImplemented": false,
        "id": 2152,
        "linearizedBaseContracts": [
          2152
        ],
        "name": "IERC1820Registry",
        "nodeType": "ContractDefinition",
        "nodes": [
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              "src": "1233:90:15",
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            },
            "functionSelector": "3d584063",
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              "text": " @dev Sets the `implementer` contract as ``account``'s implementer for\n `interfaceHash`.\n `account` being the zero address is an alias for the caller's address.\n The zero address can also be used in `implementer` to remove an old one.\n See {interfaceHash} to learn how these are created.\n Emits an {InterfaceImplementerSet} event.\n Requirements:\n - the caller must be the current manager for `account`.\n - `interfaceHash` must not be an {IERC165} interface id (i.e. it must not\n end in 28 zeroes).\n - `implementer` must implement {IERC1820Implementer} and return true when\n queried for support, unless `implementer` is the caller. See\n {IERC1820Implementer-canImplementInterfaceForAddress}."
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