{ "contractName": "PauserRole", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "PauserAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "account", "type": "address" } ], "name": "PauserRemoved", "type": "event" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "isPauser", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "addPauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "renouncePauser", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": 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"bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\n\nimport \"../../GSN/Context.sol\";\nimport \"../Roles.sol\";\n\ncontract PauserRole is Context {\n using Roles for Roles.Role;\n\n event PauserAdded(address indexed account);\n event PauserRemoved(address indexed account);\n\n Roles.Role private _pausers;\n\n constructor () internal {\n _addPauser(_msgSender());\n }\n\n modifier onlyPauser() {\n require(isPauser(_msgSender()), \"PauserRole: caller does not have the Pauser role\");\n _;\n }\n\n function isPauser(address account) public view returns (bool) {\n return _pausers.has(account);\n }\n\n function addPauser(address account) public onlyPauser {\n _addPauser(account);\n }\n\n function renouncePauser() public {\n _removePauser(_msgSender());\n }\n\n function _addPauser(address account) internal {\n _pausers.add(account);\n emit PauserAdded(account);\n }\n\n function _removePauser(address account) internal {\n _pausers.remove(account);\n emit PauserRemoved(account);\n }\n}\n", "sourcePath": "@openzeppelin/contracts/access/roles/PauserRole.sol", "ast": { "absolutePath": "@openzeppelin/contracts/access/roles/PauserRole.sol", "exportedSymbols": { "PauserRole": [ 2628 ] }, "id": 2629, "nodeType": "SourceUnit", "nodes": [ { "id": 2523, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:15" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../../GSN/Context.sol", "id": 2524, "nodeType": "ImportDirective", "scope": 2629, "sourceUnit": 2441, "src": "25:31:15", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/access/Roles.sol", "file": "../Roles.sol", "id": 2525, "nodeType": "ImportDirective", "scope": 2629, "sourceUnit": 2522, "src": "57:22:15", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2526, "name": "Context", "nodeType": 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"typeIdentifier": "t_struct$_Role_$2447_storage_ptr", "typeString": "struct Roles.Role" } } }, { "anonymous": false, "documentation": null, "id": 2534, "name": "PauserAdded", "nodeType": "EventDefinition", "parameters": { "id": 2533, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2532, "indexed": true, "name": "account", "nodeType": "VariableDeclaration", "scope": 2534, "src": "169:23:15", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2531, "name": "address", "nodeType": "ElementaryTypeName", "src": "169:7:15", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "168:25:15" }, "src": "151:43:15" }, { "anonymous": false, "documentation": null, "id": 2538, "name": "PauserRemoved", "nodeType": "EventDefinition", "parameters": { "id": 2537, 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