{ "contractName": "MinterRole", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "account", "type": "address" } ], "name": "MinterAdded", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "account", "type": "address" } ], "name": "MinterRemoved", "type": "event" }, { "constant": true, "inputs": [ { "name": "account", "type": "address" } ], "name": "isMinter", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "name": "account", "type": "address" } ], "name": "addMinter", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceMinter", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.2;\n\nimport \"../Roles.sol\";\n\ncontract MinterRole {\n using Roles for Roles.Role;\n\n event MinterAdded(address indexed account);\n event MinterRemoved(address indexed account);\n\n Roles.Role private _minters;\n\n constructor () internal {\n _addMinter(msg.sender);\n }\n\n modifier onlyMinter() {\n require(isMinter(msg.sender));\n _;\n }\n\n function isMinter(address account) public view returns (bool) {\n return _minters.has(account);\n }\n\n function addMinter(address account) public onlyMinter {\n _addMinter(account);\n }\n\n function renounceMinter() public {\n _removeMinter(msg.sender);\n }\n\n function _addMinter(address account) internal {\n _minters.add(account);\n emit MinterAdded(account);\n }\n\n function _removeMinter(address account) internal {\n _minters.remove(account);\n emit MinterRemoved(account);\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/access/roles/MinterRole.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/access/roles/MinterRole.sol", "exportedSymbols": { "MinterRole": [ 270 ] }, "id": 271, "nodeType": "SourceUnit", "nodes": [ { "id": 169, "literals": [ "solidity", "^", "0.5", ".2" ], "nodeType": "PragmaDirective", "src": "0:23:3" }, { "absolutePath": "openzeppelin-solidity/contracts/access/Roles.sol", "file": "../Roles.sol", "id": 170, "nodeType": "ImportDirective", "scope": 271, "sourceUnit": 168, "src": "25:22:3", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "id": 270, "linearizedBaseContracts": [ 270 ], "name": "MinterRole", "nodeType": "ContractDefinition", "nodes": [ { "id": 173, "libraryName": { "contractScope": null, "id": 171, "name": "Roles", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 167, "src": "81:5:3", "typeDescriptions": { "typeIdentifier": "t_contract$_Roles_$167", "typeString": "library Roles" } }, "nodeType": "UsingForDirective", "src": "75:27:3", "typeName": { "contractScope": null, "id": 172, "name": "Roles.Role", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 80, "src": "91:10:3", "typeDescriptions": { "typeIdentifier": "t_struct$_Role_$80_storage_ptr", "typeString": "struct Roles.Role" } } }, { "anonymous": false, "documentation": null, "id": 177, "name": "MinterAdded", "nodeType": "EventDefinition", "parameters": { "id": 176, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 175, "indexed": true, "name": "account", "nodeType": "VariableDeclaration", "scope": 177, "src": "126:23:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 174, "name": "address", "nodeType": "ElementaryTypeName", "src": "126:7:3", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "125:25:3" }, "src": "108:43:3" }, { "anonymous": false, "documentation": null, "id": 181, "name": "MinterRemoved", "nodeType": "EventDefinition", "parameters": { "id": 180, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 179, "indexed": true, "name": "account", "nodeType": "VariableDeclaration", "scope": 181, "src": "176:23:3", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 178, "name": "address", "nodeType": "ElementaryTypeName", "src": "176:7:3", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "175:25:3" }, "src": "156:45:3" }, { "constant": false, "id": 183, "name": "_minters", "nodeType": 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