{
  "contractName": "Ownable",
  "abi": [
    {
      "inputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "address",
          "name": "previousOwner",
          "type": "address"
        },
        {
          "indexed": true,
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "OwnershipTransferred",
      "type": "event"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "owner",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": true,
      "inputs": [],
      "name": "isOwner",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [],
      "name": "renounceOwnership",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "constant": false,
      "inputs": [
        {
          "internalType": "address",
          "name": "newOwner",
          "type": "address"
        }
      ],
      "name": "transferOwnership",
      "outputs": [],
      "payable": false,
      "stateMutability": "nonpayable",
      "type": "function"
    }
  ],
  "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"constant\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"The Ownable contract has an owner address, and provides basic authorization control functions, this simplifies the implementation of \\\"user permissions\\\".\",\"methods\":{\"constructor\":{\"details\":\"The Ownable constructor sets the original `owner` of the contract to the sender account.\"},\"isOwner()\":{\"return\":\"true if `msg.sender` is the owner of the contract.\"},\"owner()\":{\"return\":\"the address of the owner.\"},\"renounceOwnership()\":{\"details\":\"Allows the current owner to relinquish control of the contract.\"},\"transferOwnership(address)\":{\"details\":\"Allows the current owner to transfer control of the contract to a newOwner.\",\"params\":{\"newOwner\":\"The address to transfer ownership to.\"}}},\"title\":\"Ownable\"},\"userdoc\":{\"methods\":{\"renounceOwnership()\":{\"notice\":\"Renouncing to ownership will leave the contract without an owner. It will not be possible to call the functions with the `onlyOwner` modifier anymore.\"}}}},\"settings\":{\"compilationTarget\":{\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":\"Ownable\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0x980de387a1a020a498f53d00f89fecebb12c949a17e8f160093c0303ede2b786\",\"urls\":[\"bzz-raw://f07a2c393caa85f62f0aaa461e3edd50aa59371d4209778ba0558d7f8b4b856c\",\"dweb:/ipfs/QmeN3ZiYGSjCnQFeYaJNgoXjF9eDue1g3e9pqManRkeBtV\"]}},\"version\":1}",
  "bytecode": "0x",
  "deployedBytecode": "0x",
  "sourceMap": "",
  "deployedSourceMap": "",
  "source": "pragma solidity ^0.5.0;\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 private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev The Ownable constructor sets the original `owner` of the contract to the sender\n     * account.\n     */\n    constructor () internal {\n        _owner = msg.sender;\n        emit OwnershipTransferred(address(0), _owner);\n    }\n\n    /**\n     * @return the address of the owner.\n     */\n    function owner() public view returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        require(isOwner());\n        _;\n    }\n\n    /**\n     * @return true if `msg.sender` is the owner of the contract.\n     */\n    function isOwner() public view returns (bool) {\n        return msg.sender == _owner;\n    }\n\n    /**\n     * @dev Allows the current owner to relinquish control of the contract.\n     * @notice Renouncing to ownership will leave the contract without an owner.\n     * It will not be possible to call the functions with the `onlyOwner`\n     * modifier anymore.\n     */\n    function renounceOwnership() public onlyOwner {\n        emit OwnershipTransferred(_owner, address(0));\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": [
        21417
      ]
    },
    "id": 21418,
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 21310,
        "literals": [
          "solidity",
          "^",
          "0.5",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "0:23:77"
      },
      {
        "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": 21417,
        "linearizedBaseContracts": [
          21417
        ],
        "name": "Ownable",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "constant": false,
            "id": 21312,
            "name": "_owner",
            "nodeType": "VariableDeclaration",
            "scope": 21417,
            "src": "238:22:77",
            "stateVariable": true,
            "storageLocation": "default",
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              "typeString": "address"
            },
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              "name": "address",
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              "stateMutability": "nonpayable",
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                "typeIdentifier": "t_address",
                "typeString": "address"
              }
            },
            "value": null,
            "visibility": "private"
          },
          {
            "anonymous": false,
            "documentation": null,
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            "name": "OwnershipTransferred",
            "nodeType": "EventDefinition",
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              "nodeType": "ParameterList",
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                  "name": "previousOwner",
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                  "src": "294:29:77",
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                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
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                    }
                  },
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                  "visibility": "internal"
                },
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                  "name": "newOwner",
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                  "src": "325:24:77",
                  "stateVariable": false,
                  "storageLocation": "default",
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                    "typeIdentifier": "t_address",
                    "typeString": "address"
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                      "typeString": "address"
                    }
                  },
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                }
              ],
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                          "nodeType": "ElementaryTypeNameExpression",
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                            "typeIdentifier": "t_type$_t_address_$",
                            "typeString": "type(address)"
                          },
                          "typeName": "address"
                        },
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                        "isConstant": false,
                        "isLValue": false,
                        "isPure": true,
                        "kind": "typeConversion",
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                        "names": [],
                        "nodeType": "FunctionCall",
                        "src": "570:10:77",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
                        }
                      },
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                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
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                    ],
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                          "typeIdentifier": "t_address_payable",
                          "typeString": "address payable"
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                          "typeIdentifier": "t_address",
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                        }
                      ],
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                      "name": "OwnershipTransferred",
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                      "src": "549:20:77",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$",
                        "typeString": "function (address,address)"
                      }
                    },
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                }
              ]
            },
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                        },
                        "id": 21403,
                        "isConstant": false,
                        "isLValue": false,
                        "isPure": false,
                        "lValueRequested": false,
                        "leftExpression": {
                          "argumentTypes": null,
                          "id": 21399,
                          "name": "newOwner",
                          "nodeType": "Identifier",
                          "overloadedDeclarations": [],
                          "referencedDeclaration": 21395,
                          "src": "1979:8:77",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address",
                            "typeString": "address"
                          }
                        },
                        "nodeType": "BinaryOperation",
                        "operator": "!=",
                        "rightExpression": {
                          "argumentTypes": null,
                          "arguments": [
                            {
                              "argumentTypes": null,
                              "hexValue": "30",
                              "id": 21401,
                              "isConstant": false,
                              "isLValue": false,
                              "isPure": true,
                              "kind": "number",
                              "lValueRequested": false,
                              "nodeType": "Literal",
                              "src": "1999:1:77",
                              "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": 21400,
                            "isConstant": false,
                            "isLValue": false,
                            "isPure": true,
                            "lValueRequested": false,
                            "nodeType": "ElementaryTypeNameExpression",
                            "src": "1991:7:77",
                            "typeDescriptions": {
                              "typeIdentifier": "t_type$_t_address_$",
                              "typeString": "type(address)"
                            },
                            "typeName": "address"
                          },
                          "id": 21402,
                          "isConstant": false,
                          "isLValue": false,
                          "isPure": true,
                          "kind": "typeConversion",
                          "lValueRequested": false,
                          "names": [],
                          "nodeType": "FunctionCall",
                          "src": "1991:10:77",
                          "typeDescriptions": {
                            "typeIdentifier": "t_address_payable",
                            "typeString": "address payable"
                          }
                        },
                        "src": "1979:22:77",
                        "typeDescriptions": {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_bool",
                          "typeString": "bool"
                        }
                      ],
                      "id": 21398,
                      "name": "require",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [
                        22174,
                        22175
                      ],
                      "referencedDeclaration": 22174,
                      "src": "1971:7:77",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$",
                        "typeString": "function (bool) pure"
                      }
                    },
                    "id": 21404,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "1971:31:77",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 21405,
                  "nodeType": "ExpressionStatement",
                  "src": "1971:31:77"
                },
                {
                  "eventCall": {
                    "argumentTypes": null,
                    "arguments": [
                      {
                        "argumentTypes": null,
                        "id": 21407,
                        "name": "_owner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 21312,
                        "src": "2038:6:77",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      },
                      {
                        "argumentTypes": null,
                        "id": 21408,
                        "name": "newOwner",
                        "nodeType": "Identifier",
                        "overloadedDeclarations": [],
                        "referencedDeclaration": 21395,
                        "src": "2046:8:77",
                        "typeDescriptions": {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      }
                    ],
                    "expression": {
                      "argumentTypes": [
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        },
                        {
                          "typeIdentifier": "t_address",
                          "typeString": "address"
                        }
                      ],
                      "id": 21406,
                      "name": "OwnershipTransferred",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 21318,
                      "src": "2017:20:77",
                      "typeDescriptions": {
                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$",
                        "typeString": "function (address,address)"
                      }
                    },
                    "id": 21409,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "kind": "functionCall",
                    "lValueRequested": false,
                    "names": [],
                    "nodeType": "FunctionCall",
                    "src": "2017:38:77",
                    "typeDescriptions": {
                      "typeIdentifier": "t_tuple$__$",
                      "typeString": "tuple()"
                    }
                  },
                  "id": 21410,
                  "nodeType": "EmitStatement",
                  "src": "2012:43:77"
                },
                {
                  "expression": {
                    "argumentTypes": null,
                    "id": 21413,
                    "isConstant": false,
                    "isLValue": false,
                    "isPure": false,
                    "lValueRequested": false,
                    "leftHandSide": {
                      "argumentTypes": null,
                      "id": 21411,
                      "name": "_owner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 21312,
                      "src": "2065:6:77",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "nodeType": "Assignment",
                    "operator": "=",
                    "rightHandSide": {
                      "argumentTypes": null,
                      "id": 21412,
                      "name": "newOwner",
                      "nodeType": "Identifier",
                      "overloadedDeclarations": [],
                      "referencedDeclaration": 21395,
                      "src": "2074:8:77",
                      "typeDescriptions": {
                        "typeIdentifier": "t_address",
                        "typeString": "address"
                      }
                    },
                    "src": "2065:17:77",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "id": 21414,
                  "nodeType": "ExpressionStatement",
                  "src": "2065:17:77"
                }
              ]
            },
            "documentation": "@dev Transfers control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.",
            "id": 21416,
            "implemented": true,
            "kind": "function",
            "modifiers": [],
            "name": "_transferOwnership",
            "nodeType": "FunctionDefinition",
            "parameters": {
              "id": 21396,
              "nodeType": "ParameterList",
              "parameters": [
                {
                  "constant": false,
                  "id": 21395,
                  "name": "newOwner",
                  "nodeType": "VariableDeclaration",
                  "scope": 21416,
                  "src": "1934:16:77",
                  "stateVariable": false,
                  "storageLocation": "default",
                  "typeDescriptions": {
                    "typeIdentifier": "t_address",
                    "typeString": "address"
                  },
                  "typeName": {
                    "id": 21394,
                    "name": "address",
                    "nodeType": "ElementaryTypeName",
                    "src": "1934:7:77",
                    "stateMutability": "nonpayable",
                    "typeDescriptions": {
                      "typeIdentifier": "t_address",
                      "typeString": "address"
                    }
                  },
                  "value": null,
                  "visibility": "internal"
                }
              ],
              "src": "1933:18:77"
            },
            "returnParameters": {
              "id": 21397,
              "nodeType": "ParameterList",
              "parameters": [],
              "src": "1961:0:77"
            },
            "scope": 21417,
            "src": "1906:183:77",
            "stateMutability": "nonpayable",
            "superFunction": null,
            "visibility": "internal"
          }
        ],
        "scope": 21418,
        "src": "215:1876:77"
      }
    ],
    "src": "0:2092:77"
  },
  "compiler": {
    "name": "solc",
    "version": "0.5.16+commit.9c3226ce.Emscripten.clang"
  },
  "networks": {},
  "schemaVersion": "3.2.2",
  "updatedAt": "2021-08-23T07:33:52.677Z",
  "devdoc": {
    "details": "The Ownable contract has an owner address, and provides basic authorization control functions, this simplifies the implementation of \"user permissions\".",
    "methods": {
      "constructor": {
        "details": "The Ownable constructor sets the original `owner` of the contract to the sender account."
      },
      "isOwner()": {
        "return": "true if `msg.sender` is the owner of the contract."
      },
      "owner()": {
        "return": "the address of the owner."
      },
      "renounceOwnership()": {
        "details": "Allows the current owner to relinquish control of the contract."
      },
      "transferOwnership(address)": {
        "details": "Allows the current owner to transfer control of the contract to a newOwner.",
        "params": {
          "newOwner": "The address to transfer ownership to."
        }
      }
    },
    "title": "Ownable"
  },
  "userdoc": {
    "methods": {
      "renounceOwnership()": {
        "notice": "Renouncing to ownership will leave the contract without an owner. It will not be possible to call the functions with the `onlyOwner` modifier anymore."
      }
    }
  }
}