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This contract is based on the source code\n * at https://goo.gl/n2ZGVt.\n */\ncontract Ownable {\n address public owner;\n\n /**\n * @dev An event which is triggered when the owner is changed.\n * @param previousOwner The address of the previous owner.\n * @param newOwner The address of the new owner.\n */\n event OwnershipTransferred(\n address indexed previousOwner,\n address indexed newOwner\n );\n\n /**\n * @dev The constructor sets the original `owner` of the contract to the sender account.\n */\n constructor()\n public\n {\n owner = msg.sender;\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(msg.sender == owner);\n _;\n }\n\n /**\n * @dev Allows the current owner to transfer control of the contract to a newOwner.\n * @param _newOwner The address to transfer ownership to.\n */\n function transferOwnership(\n address _newOwner\n )\n onlyOwner\n public\n {\n require(_newOwner != address(0));\n emit OwnershipTransferred(owner, _newOwner);\n owner = _newOwner;\n }\n\n}", "sourcePath": "/Users/tilmandrerup/Desktop/airtime/github/elliptic-curve-solidity/contracts/ownership/Ownable.sol", "ast": { "absolutePath": "/Users/tilmandrerup/Desktop/airtime/github/elliptic-curve-solidity/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 1439 ] }, "id": 1440, "nodeType": "SourceUnit", "nodes": [ { "id": 1385, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:2" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@dev The contract has an owner address, and provides basic authorization control whitch\nsimplifies the implementation of user permissions. 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"id": 1398, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "728:10:2", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "720:18:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1400, "nodeType": "ExpressionStatement", "src": "720:18:2" } ] }, "documentation": "@dev The constructor sets the original `owner` of the contract to the sender account.", "id": 1402, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 1394, "nodeType": "ParameterList", "parameters": [], "src": "698:2:2" }, "returnParameters": { "id": 1395, "nodeType": "ParameterList", "parameters": [], "src": "714:0:2" }, "scope": 1439, "src": "687:56:2", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 1412, "nodeType": "Block", "src": "844:46:2", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1408, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 1405, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1454, "src": "858:3:2", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 1406, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "858:10:2", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 1407, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1387, "src": "872:5:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "858:19:2", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 1404, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 1457, 1458 ], "referencedDeclaration": 1457, "src": "850:7:2", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 1409, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "850:28:2", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1410, "nodeType": "ExpressionStatement", "src": "850:28:2" }, { "id": 1411, "nodeType": "PlaceholderStatement", "src": "884:1:2" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 1413, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 1403, "nodeType": "ParameterList", "parameters": [], "src": "841:2:2" }, "src": "823:67:2", "visibility": "internal" }, { "body": { "id": 1437, "nodeType": "Block", "src": "1133:115:2", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 1425, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 1421, "name": "_newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1415, "src": "1147:9:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 1423, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1168:1:2", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 1422, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1160:7:2", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 1424, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1160:10:2", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1147:23:2", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 1420, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 1457, 1458 ], "referencedDeclaration": 1457, "src": "1139:7:2", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 1426, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1139:32:2", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1427, "nodeType": "ExpressionStatement", "src": "1139:32:2" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 1429, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1387, "src": "1203:5:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 1430, "name": "_newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1415, "src": "1210:9:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 1428, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1393, "src": "1182:20:2", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 1431, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1182:38:2", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 1432, "nodeType": "EmitStatement", "src": "1177:43:2" }, { "expression": { "argumentTypes": null, "id": 1435, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 1433, "name": "owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1387, "src": "1226:5:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 1434, "name": "_newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1415, "src": "1234:9:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1226:17:2", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 1436, "nodeType": "ExpressionStatement", "src": "1226:17:2" } ] }, "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param _newOwner The address to transfer ownership to.", "id": 1438, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 1418, "modifierName": { "argumentTypes": null, "id": 1417, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 1413, "src": "1110:9:2", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1110:9:2" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 1416, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 1415, "name": "_newOwner", "nodeType": "VariableDeclaration", "scope": 1438, "src": "1084:17:2", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 1414, "name": "address", "nodeType": "ElementaryTypeName", "src": "1084:7:2", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1078:27:2" }, "returnParameters": { "id": 1419, "nodeType": "ParameterList", "parameters": [], "src": "1133:0:2" }, "scope": 1439, "src": "1052:196:2", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" } ], "scope": 1440, "src": "249:1002:2" } ], "src": "0:1251:2" }, "compiler": { "name": "solc", "version": "0.5.1+commit.c8a2cb62.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.2", "updatedAt": "2019-03-13T00:41:20.871Z", "devdoc": { "details": "The contract has an owner address, and provides basic authorization control whitch simplifies the implementation of user permissions. This contract is based on the source code at https://goo.gl/n2ZGVt.", "methods": { "constructor": { "details": "The constructor sets the original `owner` of the contract to the sender account." }, "transferOwnership(address)": { "details": "Allows the current owner to transfer control of the contract to a newOwner.", "params": { "_newOwner": "The address to transfer ownership to." } } } }, "userdoc": { "methods": {} } }