{
  "contractName": "Ownable",
  "abi": [
    {
      "constant": true,
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "previousOwner",
          "type": "address"
        }
      ],
      "name": "OwnershipRenounced",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "name": "previousOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "OwnershipTransferred",
      "type": "event"
    },
    {
      "constant": false,
      "inputs": [],
      "name": "renounceOwnership",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "name": "_newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "bytecode": "0x608060405234801561001057600080fd5b50336000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506103c1806100606000396000f300608060405260043610610057576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff168063715018a61461005c5780638da5cb5b14610073578063f2fde38b146100ca575b600080fd5b34801561006857600080fd5b5061007161010d565b005b34801561007f57600080fd5b5061008861020f565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b3480156100d657600080fd5b5061010b600480360381019080803573ffffffffffffffffffffffffffffffffffffffff169060200190929190505050610234565b005b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614151561016857600080fd5b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff167ff8df31144d9c2f0f6b59d69b8b98abd5459d07f2742c4df920b25aae33c6482060405160405180910390a260008060006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1681565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614151561028f57600080fd5b6102988161029b565b50565b600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff16141515156102d757600080fd5b8073ffffffffffffffffffffffffffffffffffffffff166000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a3806000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550505600a165627a7a72305820ef10339cb5349f8868e9e6a10ffaf51d2e9d521d737ec880c148516c788fbce20029",
  "deployedBytecode": "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",
  "sourceMap": "217:1294:30:-;;;540:50;8:9:-1;5:2;;;30:1;27;20:12;5:2;540:50:30;575:10;567:5;;:18;;;;;;;;;;;;;;;;;;217:1294;;;;;;",
  "deployedSourceMap": "217:1294:30:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;827:111;;8:9:-1;5:2;;;30:1;27;20:12;5:2;827:111:30;;;;;;238:20;;8:9:-1;5:2;;;30:1;27;20:12;5:2;238:20:30;;;;;;;;;;;;;;;;;;;;;;;;;;;1100:103;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1100:103:30;;;;;;;;;;;;;;;;;;;;;;;;;;;;827:111;719:5;;;;;;;;;;;705:19;;:10;:19;;;697:28;;;;;;;;903:5;;;;;;;;;;;884:25;;;;;;;;;;;;931:1;915:5;;:18;;;;;;;;;;;;;;;;;;827:111::o;238:20::-;;;;;;;;;;;;;:::o;1100:103::-;719:5;;;;;;;;;;;705:19;;:10;:19;;;697:28;;;;;;;;1169:29;1188:9;1169:18;:29::i;:::-;1100:103;:::o;1338:171::-;1429:1;1408:23;;:9;:23;;;;1400:32;;;;;;;;1471:9;1443:38;;1464:5;;;;;;;;;;;1443:38;;;;;;;;;;;;1495:9;1487:5;;:17;;;;;;;;;;;;;;;;;;1338:171;:::o",
  "source": "pragma solidity ^0.4.23;\n\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user permissions\".\n */\ncontract Ownable {\n  address public owner;\n\n\n  event OwnershipRenounced(address indexed previousOwner);\n  event OwnershipTransferred(\n    address indexed previousOwner,\n    address indexed newOwner\n  );\n\n\n  /**\n   * @dev The Ownable constructor sets the original `owner` of the contract to the sender\n   * account.\n   */\n  constructor() public {\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 relinquish control of the contract.\n   */\n  function renounceOwnership() public onlyOwner {\n    emit OwnershipRenounced(owner);\n    owner = address(0);\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(address _newOwner) public onlyOwner {\n    _transferOwnership(_newOwner);\n  }\n\n  /**\n   * @dev Transfers control of the contract to a newOwner.\n   * @param _newOwner The address to transfer ownership to.\n   */\n  function _transferOwnership(address _newOwner) internal {\n    require(_newOwner != address(0));\n    emit OwnershipTransferred(owner, _newOwner);\n    owner = _newOwner;\n  }\n}\n",
  "sourcePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol",
  "ast": {
    "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol",
    "exportedSymbols": {
      "Ownable": [
        4367
      ]
    },
    "id": 4368,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 4283,
        "literals": [
          "solidity",
          "^",
          "0.4",
          ".23"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:24:30"
      },
      {
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": "@title Ownable\n@dev The Ownable contract has an owner address, and provides basic authorization control\nfunctions, this simplifies the implementation of \"user permissions\".",
        "fullyImplemented": true,
        "id": 4367,
        "linearizedBaseContracts": [
          4367
        ],
        "name": "Ownable",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 4285,
            "name": "owner",
            "nodeType": "VariableDeclaration",
            "scope": 4367,
            "src": "238:20:30",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_address",
              "typeString": "address"
            },
            "typeName": {
              "id": 4284,
              "name": "address",
              "nodeType": "ElementaryTypeName",
              "src": "238:7:30",
              "typeDescriptions": {
                "typeIdentifier": "t_address",
                "typeString": "address"
              }
            },
            "value": null,
            "visibility": "public"
          },
          {
            "anonymous": false,
            "documentation": null,
            "id": 4289,
            "name": "OwnershipRenounced",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 4288,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4287,
                  "indexed": true,
                  "name": "previousOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4289,
                  "src": "289:29:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4286,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "289:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "288:31:30"
            },
            "src": "264:56:30"
          },
          {
            "anonymous": false,
            "documentation": null,
            "id": 4295,
            "name": "OwnershipTransferred",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 4294,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4291,
                  "indexed": true,
                  "name": "previousOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4295,
                  "src": "355:29:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4290,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "355:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4293,
                  "indexed": true,
                  "name": "newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4295,
                  "src": "390:24:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4292,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "390:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "349:69:30"
            },
            "src": "323:96:30"
          },
          {
            "body": {
              "id": 4303,
              "nodeType": "Block",
              "src": "561:29:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 4301,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 4298,
                      "name": "owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4285,
                      "src": "567:5:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "expression": {
                        "argumentTypes": null,
                        "id": 4299,
                        "name": "msg",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 6109,
                        "src": "575:3:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_magic_message",
                          "typeString": "msg"
                        }
                      },
                      "id": 4300,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "sender",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": null,
                      "src": "575:10:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "567:18:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 4302,
                  "nodeType": "ExpressionStatement",
                  "src": "567:18:30"
                }
              ]
            },
            "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.",
            "id": 4304,
            "implemented": true,
            "isConstructor": true,
            "isDeclaredConst": false,
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4296,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "551:2:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4297,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "561:0:30"
            },
            "scope": 4367,
            "src": "540:50:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          },
          {
            "body": {
              "id": 4314,
              "nodeType": "Block",
              "src": "691:46:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "commonType": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        "id": 4310,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "argumentTypes": null,
                          "expression": {
                            "argumentTypes": null,
                            "id": 4307,
                            "name": "msg",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 6109,
                            "src": "705:3:30",
                            "typeDescriptions": {
                              "typeIdentifier": "t_magic_message",
                              "typeString": "msg"
                            }
                          },
                          "id": 4308,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": false,
                          "lValueRequested": false,
                          "memberName": "sender",
                          "nodeType": "MemberAccess",
                          "referencedDeclaration": null,
                          "src": "705:10:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "==",
                        "rightExpression": {
                          "argumentTypes": null,
                          "id": 4309,
                          "name": "owner",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 4285,
                          "src": "719:5:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "src": "705:19:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      ],
                      "id": 4306,
                      "name": "require",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        6112,
                        6113
                      ],
                      "referencedDeclaration": 6112,
                      "src": "697:7:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$",
                        "typeString": "function (bool) pure"
                      }
                    },
                    "id": 4311,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "697:28:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4312,
                  "nodeType": "ExpressionStatement",
                  "src": "697:28:30"
                },
                {
                  "id": 4313,
                  "nodeType": "PlaceholderStatement",
                  "src": "731:1:30"
                }
              ]
            },
            "documentation": "@dev Throws if called by any account other than the owner.",
            "id": 4315,
            "name": "onlyOwner",
            "nodeType": "ModifierDefinition",
            "parameters": {
              "id": 4305,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "688:2:30"
            },
            "src": "670:67:30",
            "visibility": "internal"
          },
          {
            "body": {
              "id": 4330,
              "nodeType": "Block",
              "src": "873:65:30",
              "statements": [
                {
                  "eventCall": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 4321,
                        "name": "owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4285,
                        "src": "903:5:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 4320,
                      "name": "OwnershipRenounced",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4289,
                      "src": "884:18:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$",
                        "typeString": "function (address)"
                      }
                    },
                    "id": 4322,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "884:25:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4323,
                  "nodeType": "EmitStatement",
                  "src": "879:30:30"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 4328,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 4324,
                      "name": "owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4285,
                      "src": "915:5:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "arguments": [
                        {
                          "argumentTypes": null,
                          "hexValue": "30",
                          "id": 4326,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "number",
                          "lValueRequested": false,
                          "nodeType": "Literal",
                          "src": "931:1:30",
                          "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": 4325,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "lValueRequested": false,
                        "nodeType": "ElementaryTypeNameExpression",
                        "src": "923:7:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_type$_t_address_$",
                          "typeString": "type(address)"
                        },
                        "typeName": "address"
                      },
                      "id": 4327,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": true,
                      "kind": "typeConversion",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "923:10:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "915:18:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 4329,
                  "nodeType": "ExpressionStatement",
                  "src": "915:18:30"
                }
              ]
            },
            "documentation": "@dev Allows the current owner to relinquish control of the contract.",
            "id": 4331,
            "implemented": true,
            "isConstructor": false,
            "isDeclaredConst": false,
            "modifiers": [
              {
                "arguments": null,
                "id": 4318,
                "modifierName": {
                  "argumentTypes": null,
                  "id": 4317,
                  "name": "onlyOwner",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 4315,
                  "src": "863:9:30",
                  "typeDescriptions": {
                    "typeIdentifier": "t_modifier$__$",
                    "typeString": "modifier ()"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "863:9:30"
              }
            ],
            "name": "renounceOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4316,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "853:2:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4319,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "873:0:30"
            },
            "scope": 4367,
            "src": "827:111:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          },
          {
            "body": {
              "id": 4342,
              "nodeType": "Block",
              "src": "1163:40:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 4339,
                        "name": "_newOwner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4333,
                        "src": "1188:9:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 4338,
                      "name": "_transferOwnership",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4366,
                      "src": "1169:18:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$",
                        "typeString": "function (address)"
                      }
                    },
                    "id": 4340,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1169:29:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4341,
                  "nodeType": "ExpressionStatement",
                  "src": "1169:29:30"
                }
              ]
            },
            "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": 4343,
            "implemented": true,
            "isConstructor": false,
            "isDeclaredConst": false,
            "modifiers": [
              {
                "arguments": null,
                "id": 4336,
                "modifierName": {
                  "argumentTypes": null,
                  "id": 4335,
                  "name": "onlyOwner",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 4315,
                  "src": "1153:9:30",
                  "typeDescriptions": {
                    "typeIdentifier": "t_modifier$__$",
                    "typeString": "modifier ()"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "1153:9:30"
              }
            ],
            "name": "transferOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4334,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4333,
                  "name": "_newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4343,
                  "src": "1127:17:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4332,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1127:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1126:19:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4337,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1163:0:30"
            },
            "scope": 4367,
            "src": "1100:103:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          },
          {
            "body": {
              "id": 4365,
              "nodeType": "Block",
              "src": "1394:115:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "commonType": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        "id": 4353,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "argumentTypes": null,
                          "id": 4349,
                          "name": "_newOwner",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 4345,
                          "src": "1408:9:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "!=",
                        "rightExpression": {
                          "argumentTypes": null,
                          "arguments": [
                            {
                              "argumentTypes": null,
                              "hexValue": "30",
                              "id": 4351,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "kind": "number",
                              "lValueRequested": false,
                              "nodeType": "Literal",
                              "src": "1429:1:30",
                              "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": 4350,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "lValueRequested": false,
                            "nodeType": "ElementaryTypeNameExpression",
                            "src": "1421:7:30",
                            "typeDescriptions": {
                              "typeIdentifier": "t_type$_t_address_$",
                              "typeString": "type(address)"
                            },
                            "typeName": "address"
                          },
                          "id": 4352,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "typeConversion",
                          "lValueRequested": false,
                          "names": [],
                          "nodeType": "FunctionCall",
                          "src": "1421:10:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "src": "1408:23:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      ],
                      "id": 4348,
                      "name": "require",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        6112,
                        6113
                      ],
                      "referencedDeclaration": 6112,
                      "src": "1400:7:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$",
                        "typeString": "function (bool) pure"
                      }
                    },
                    "id": 4354,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1400:32:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4355,
                  "nodeType": "ExpressionStatement",
                  "src": "1400:32:30"
                },
                {
                  "eventCall": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 4357,
                        "name": "owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4285,
                        "src": "1464:5:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "id": 4358,
                        "name": "_newOwner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4345,
                        "src": "1471:9:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 4356,
                      "name": "OwnershipTransferred",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4295,
                      "src": "1443:20:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$",
                        "typeString": "function (address,address)"
                      }
                    },
                    "id": 4359,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1443:38:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4360,
                  "nodeType": "EmitStatement",
                  "src": "1438:43:30"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 4363,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 4361,
                      "name": "owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4285,
                      "src": "1487:5:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 4362,
                      "name": "_newOwner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4345,
                      "src": "1495:9:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "1487:17:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 4364,
                  "nodeType": "ExpressionStatement",
                  "src": "1487:17:30"
                }
              ]
            },
            "documentation": "@dev Transfers control of the contract to a newOwner.\n@param _newOwner The address to transfer ownership to.",
            "id": 4366,
            "implemented": true,
            "isConstructor": false,
            "isDeclaredConst": false,
            "modifiers": [],
            "name": "_transferOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4346,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4345,
                  "name": "_newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4366,
                  "src": "1366:17:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4344,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1366:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1365:19:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4347,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1394:0:30"
            },
            "scope": 4367,
            "src": "1338:171:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "internal"
          }
        ],
        "scope": 4368,
        "src": "217:1294:30"
      }
    ],
    "src": "0:1512:30"
  },
  "legacyAST": {
    "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol",
    "exportedSymbols": {
      "Ownable": [
        4367
      ]
    },
    "id": 4368,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 4283,
        "literals": [
          "solidity",
          "^",
          "0.4",
          ".23"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:24:30"
      },
      {
        "baseContracts": [],
        "contractDependencies": [],
        "contractKind": "contract",
        "documentation": "@title Ownable\n@dev The Ownable contract has an owner address, and provides basic authorization control\nfunctions, this simplifies the implementation of \"user permissions\".",
        "fullyImplemented": true,
        "id": 4367,
        "linearizedBaseContracts": [
          4367
        ],
        "name": "Ownable",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 4285,
            "name": "owner",
            "nodeType": "VariableDeclaration",
            "scope": 4367,
            "src": "238:20:30",
            "stateVariable": true,
            "storageLocation": "default",
            "typeDescriptions": {
              "typeIdentifier": "t_address",
              "typeString": "address"
            },
            "typeName": {
              "id": 4284,
              "name": "address",
              "nodeType": "ElementaryTypeName",
              "src": "238:7:30",
              "typeDescriptions": {
                "typeIdentifier": "t_address",
                "typeString": "address"
              }
            },
            "value": null,
            "visibility": "public"
          },
          {
            "anonymous": false,
            "documentation": null,
            "id": 4289,
            "name": "OwnershipRenounced",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 4288,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4287,
                  "indexed": true,
                  "name": "previousOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4289,
                  "src": "289:29:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4286,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "289:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "288:31:30"
            },
            "src": "264:56:30"
          },
          {
            "anonymous": false,
            "documentation": null,
            "id": 4295,
            "name": "OwnershipTransferred",
            "nodeType": "EventDefinition",
            "parameters": {
              "id": 4294,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4291,
                  "indexed": true,
                  "name": "previousOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4295,
                  "src": "355:29:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4290,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "355:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                },
                {
                  "constant": false,
                  "id": 4293,
                  "indexed": true,
                  "name": "newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4295,
                  "src": "390:24:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4292,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "390:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "349:69:30"
            },
            "src": "323:96:30"
          },
          {
            "body": {
              "id": 4303,
              "nodeType": "Block",
              "src": "561:29:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 4301,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 4298,
                      "name": "owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4285,
                      "src": "567:5:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "expression": {
                        "argumentTypes": null,
                        "id": 4299,
                        "name": "msg",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 6109,
                        "src": "575:3:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_magic_message",
                          "typeString": "msg"
                        }
                      },
                      "id": 4300,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": false,
                      "lValueRequested": false,
                      "memberName": "sender",
                      "nodeType": "MemberAccess",
                      "referencedDeclaration": null,
                      "src": "575:10:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "567:18:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 4302,
                  "nodeType": "ExpressionStatement",
                  "src": "567:18:30"
                }
              ]
            },
            "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.",
            "id": 4304,
            "implemented": true,
            "isConstructor": true,
            "isDeclaredConst": false,
            "modifiers": [],
            "name": "",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4296,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "551:2:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4297,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "561:0:30"
            },
            "scope": 4367,
            "src": "540:50:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          },
          {
            "body": {
              "id": 4314,
              "nodeType": "Block",
              "src": "691:46:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "commonType": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        "id": 4310,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "argumentTypes": null,
                          "expression": {
                            "argumentTypes": null,
                            "id": 4307,
                            "name": "msg",
                            "nodeType": "Identifier",
                            "overloadedDeclarations": [],
                            "referencedDeclaration": 6109,
                            "src": "705:3:30",
                            "typeDescriptions": {
                              "typeIdentifier": "t_magic_message",
                              "typeString": "msg"
                            }
                          },
                          "id": 4308,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": false,
                          "lValueRequested": false,
                          "memberName": "sender",
                          "nodeType": "MemberAccess",
                          "referencedDeclaration": null,
                          "src": "705:10:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "==",
                        "rightExpression": {
                          "argumentTypes": null,
                          "id": 4309,
                          "name": "owner",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 4285,
                          "src": "719:5:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "src": "705:19:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      ],
                      "id": 4306,
                      "name": "require",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        6112,
                        6113
                      ],
                      "referencedDeclaration": 6112,
                      "src": "697:7:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$",
                        "typeString": "function (bool) pure"
                      }
                    },
                    "id": 4311,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "697:28:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4312,
                  "nodeType": "ExpressionStatement",
                  "src": "697:28:30"
                },
                {
                  "id": 4313,
                  "nodeType": "PlaceholderStatement",
                  "src": "731:1:30"
                }
              ]
            },
            "documentation": "@dev Throws if called by any account other than the owner.",
            "id": 4315,
            "name": "onlyOwner",
            "nodeType": "ModifierDefinition",
            "parameters": {
              "id": 4305,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "688:2:30"
            },
            "src": "670:67:30",
            "visibility": "internal"
          },
          {
            "body": {
              "id": 4330,
              "nodeType": "Block",
              "src": "873:65:30",
              "statements": [
                {
                  "eventCall": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 4321,
                        "name": "owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4285,
                        "src": "903:5:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 4320,
                      "name": "OwnershipRenounced",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4289,
                      "src": "884:18:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$returns$__$",
                        "typeString": "function (address)"
                      }
                    },
                    "id": 4322,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "884:25:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4323,
                  "nodeType": "EmitStatement",
                  "src": "879:30:30"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 4328,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 4324,
                      "name": "owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4285,
                      "src": "915:5:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "arguments": [
                        {
                          "argumentTypes": null,
                          "hexValue": "30",
                          "id": 4326,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "number",
                          "lValueRequested": false,
                          "nodeType": "Literal",
                          "src": "931:1:30",
                          "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": 4325,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "lValueRequested": false,
                        "nodeType": "ElementaryTypeNameExpression",
                        "src": "923:7:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_type$_t_address_$",
                          "typeString": "type(address)"
                        },
                        "typeName": "address"
                      },
                      "id": 4327,
                      "isConstant": false,
                      "isLValue": false,
                      "isPure": true,
                      "kind": "typeConversion",
                      "lValueRequested": false,
                      "names": [],
                      "nodeType": "FunctionCall",
                      "src": "923:10:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "915:18:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 4329,
                  "nodeType": "ExpressionStatement",
                  "src": "915:18:30"
                }
              ]
            },
            "documentation": "@dev Allows the current owner to relinquish control of the contract.",
            "id": 4331,
            "implemented": true,
            "isConstructor": false,
            "isDeclaredConst": false,
            "modifiers": [
              {
                "arguments": null,
                "id": 4318,
                "modifierName": {
                  "argumentTypes": null,
                  "id": 4317,
                  "name": "onlyOwner",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 4315,
                  "src": "863:9:30",
                  "typeDescriptions": {
                    "typeIdentifier": "t_modifier$__$",
                    "typeString": "modifier ()"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "863:9:30"
              }
            ],
            "name": "renounceOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4316,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "853:2:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4319,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "873:0:30"
            },
            "scope": 4367,
            "src": "827:111:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          },
          {
            "body": {
              "id": 4342,
              "nodeType": "Block",
              "src": "1163:40:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 4339,
                        "name": "_newOwner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4333,
                        "src": "1188:9:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 4338,
                      "name": "_transferOwnership",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4366,
                      "src": "1169:18:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$",
                        "typeString": "function (address)"
                      }
                    },
                    "id": 4340,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1169:29:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4341,
                  "nodeType": "ExpressionStatement",
                  "src": "1169:29:30"
                }
              ]
            },
            "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param _newOwner The address to transfer ownership to.",
            "id": 4343,
            "implemented": true,
            "isConstructor": false,
            "isDeclaredConst": false,
            "modifiers": [
              {
                "arguments": null,
                "id": 4336,
                "modifierName": {
                  "argumentTypes": null,
                  "id": 4335,
                  "name": "onlyOwner",
                  "nodeType": "Identifier",
                  "overloadedDeclarations": [],
                  "referencedDeclaration": 4315,
                  "src": "1153:9:30",
                  "typeDescriptions": {
                    "typeIdentifier": "t_modifier$__$",
                    "typeString": "modifier ()"
                  }
                },
                "nodeType": "ModifierInvocation",
                "src": "1153:9:30"
              }
            ],
            "name": "transferOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4334,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4333,
                  "name": "_newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4343,
                  "src": "1127:17:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4332,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1127:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1126:19:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4337,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1163:0:30"
            },
            "scope": 4367,
            "src": "1100:103:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "public"
          },
          {
            "body": {
              "id": 4365,
              "nodeType": "Block",
              "src": "1394:115:30",
              "statements": [
                {
                  "expression": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "commonType": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        "id": 4353,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "argumentTypes": null,
                          "id": 4349,
                          "name": "_newOwner",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 4345,
                          "src": "1408:9:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "!=",
                        "rightExpression": {
                          "argumentTypes": null,
                          "arguments": [
                            {
                              "argumentTypes": null,
                              "hexValue": "30",
                              "id": 4351,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "kind": "number",
                              "lValueRequested": false,
                              "nodeType": "Literal",
                              "src": "1429:1:30",
                              "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": 4350,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "lValueRequested": false,
                            "nodeType": "ElementaryTypeNameExpression",
                            "src": "1421:7:30",
                            "typeDescriptions": {
                              "typeIdentifier": "t_type$_t_address_$",
                              "typeString": "type(address)"
                            },
                            "typeName": "address"
                          },
                          "id": 4352,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "typeConversion",
                          "lValueRequested": false,
                          "names": [],
                          "nodeType": "FunctionCall",
                          "src": "1421:10:30",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "src": "1408:23:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      ],
                      "id": 4348,
                      "name": "require",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        6112,
                        6113
                      ],
                      "referencedDeclaration": 6112,
                      "src": "1400:7:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$",
                        "typeString": "function (bool) pure"
                      }
                    },
                    "id": 4354,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1400:32:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4355,
                  "nodeType": "ExpressionStatement",
                  "src": "1400:32:30"
                },
                {
                  "eventCall": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 4357,
                        "name": "owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4285,
                        "src": "1464:5:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "id": 4358,
                        "name": "_newOwner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 4345,
                        "src": "1471:9:30",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 4356,
                      "name": "OwnershipTransferred",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4295,
                      "src": "1443:20:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$",
                        "typeString": "function (address,address)"
                      }
                    },
                    "id": 4359,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1443:38:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 4360,
                  "nodeType": "EmitStatement",
                  "src": "1438:43:30"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 4363,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 4361,
                      "name": "owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4285,
                      "src": "1487:5:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 4362,
                      "name": "_newOwner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 4345,
                      "src": "1495:9:30",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "1487:17:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 4364,
                  "nodeType": "ExpressionStatement",
                  "src": "1487:17:30"
                }
              ]
            },
            "documentation": "@dev Transfers control of the contract to a newOwner.\n@param _newOwner The address to transfer ownership to.",
            "id": 4366,
            "implemented": true,
            "isConstructor": false,
            "isDeclaredConst": false,
            "modifiers": [],
            "name": "_transferOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 4346,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 4345,
                  "name": "_newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 4366,
                  "src": "1366:17:30",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 4344,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1366:7:30",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1365:19:30"
            },
            "payable": false,
            "returnParameters": {
              "id": 4347,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1394:0:30"
            },
            "scope": 4367,
            "src": "1338:171:30",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "internal"
          }
        ],
        "scope": 4368,
        "src": "217:1294:30"
      }
    ],
    "src": "0:1512:30"
  },
  "compiler": {
    "name": "solc",
    "version": "0.4.25+commit.59dbf8f1.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.0.0-beta.1",
  "updatedAt": "2018-11-01T18:10:50.811Z"
}