{ "contractName": "Ownable", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isOwner", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "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" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.8+commit.23d335f2\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":false,\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"}],\"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\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"openzeppelin-solidity/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0x980de387a1a020a498f53d00f89fecebb12c949a17e8f160093c0303ede2b786\",\"urls\":[\"bzzr://08894efa2a557982070beda6a81a032407e70532d24bdafe80d39660c74904d9\"]}},\"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": [ 4118 ] }, "id": 4119, "nodeType": "SourceUnit", "nodes": [ { "id": 4011, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:19" }, { "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": 4118, "linearizedBaseContracts": [ 4118 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 4013, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 4118, "src": "238:22:19", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4012, "name": "address", "nodeType": "ElementaryTypeName", "src": "238:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 4019, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 4018, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4015, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 4019, "src": "294:29:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4014, "name": "address", "nodeType": "ElementaryTypeName", "src": "294:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4017, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4019, "src": "325:24:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4016, "name": "address", "nodeType": "ElementaryTypeName", "src": "325:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "293:57:19" }, "src": "267:84:19" }, { "body": { "id": 4034, "nodeType": "Block", "src": "505:91:19", "statements": [ { "expression": { "argumentTypes": null, "id": 4025, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4022, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "515:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4023, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4133, "src": "524:3:19", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4024, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "524:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "515:19:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4026, "nodeType": "ExpressionStatement", "src": "515:19:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4029, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "578:1:19", "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": 4028, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "570:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4030, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "570:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 4031, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "582:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4027, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4019, "src": "549:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4032, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4033, "nodeType": "EmitStatement", "src": "544:45:19" } ] }, "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.", "id": 4035, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 4020, "nodeType": "ParameterList", "parameters": [], "src": "493:2:19" }, "returnParameters": { "id": 4021, "nodeType": "ParameterList", "parameters": [], "src": "505:0:19" }, "scope": 4118, "src": "481:115:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4042, "nodeType": "Block", "src": "706:30:19", "statements": [ { "expression": { "argumentTypes": null, "id": 4040, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "723:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 4039, "id": 4041, "nodeType": "Return", "src": "716:13:19" } ] }, "documentation": "@return the address of the owner.", "id": 4043, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 4036, "nodeType": "ParameterList", "parameters": [], "src": "673:2:19" }, "returnParameters": { "id": 4039, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4038, "name": "", "nodeType": "VariableDeclaration", "scope": 4043, "src": "697:7:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4037, "name": "address", "nodeType": "ElementaryTypeName", "src": "697:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "696:9:19" }, "scope": 4118, "src": "659:77:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4051, "nodeType": "Block", "src": "845:46:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 4046, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4063, "src": "863:7:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 4047, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "863:9:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4045, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4136, 4137 ], "referencedDeclaration": 4136, "src": "855:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4048, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "855:18:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4049, "nodeType": "ExpressionStatement", "src": "855:18:19" }, { "id": 4050, "nodeType": "PlaceholderStatement", "src": "883:1:19" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 4052, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 4044, "nodeType": "ParameterList", "parameters": [], "src": "842:2:19" }, "src": "824:67:19", "visibility": "internal" }, { "body": { "id": 4062, "nodeType": "Block", "src": "1025:44:19", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4060, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4057, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4133, "src": "1042:3:19", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4058, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1042:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 4059, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "1056:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1042:20:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 4056, "id": 4061, "nodeType": "Return", "src": "1035:27:19" } ] }, "documentation": "@return true if `msg.sender` is the owner of the contract.", "id": 4063, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 4053, "nodeType": "ParameterList", "parameters": [], "src": "995:2:19" }, "returnParameters": { "id": 4056, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4055, "name": "", "nodeType": "VariableDeclaration", "scope": 4063, "src": "1019:4:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4054, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1019:4:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1018:6:19" }, "scope": 4118, "src": "979:90:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4081, "nodeType": "Block", "src": "1393:91:19", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4069, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "1429:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4071, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1445:1:19", "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": 4070, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1437:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4072, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1437:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 4068, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4019, "src": "1408:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4073, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1408:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4074, "nodeType": "EmitStatement", "src": "1403:45:19" }, { "expression": { "argumentTypes": null, "id": 4079, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4075, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "1458:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4077, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1475:1:19", "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": 4076, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1467:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4078, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1467:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1458:19:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4080, "nodeType": "ExpressionStatement", "src": "1458:19:19" } ] }, "documentation": "@dev Allows the current owner to relinquish control of the contract.\n@notice Renouncing to ownership will leave the contract without an owner.\nIt will not be possible to call the functions with the `onlyOwner`\nmodifier anymore.", "id": 4082, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 4066, "modifierName": { "argumentTypes": null, "id": 4065, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4052, "src": "1383:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1383:9:19" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4064, "nodeType": "ParameterList", "parameters": [], "src": "1373:2:19" }, "returnParameters": { "id": 4067, "nodeType": "ParameterList", "parameters": [], "src": "1393:0:19" }, "scope": 4118, "src": "1347:137:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4093, "nodeType": "Block", "src": "1717:45:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4090, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4084, "src": "1746:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4089, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4117, "src": "1727:18:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 4091, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1727:28:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4092, "nodeType": "ExpressionStatement", "src": "1727:28:19" } ] }, "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": 4094, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 4087, "modifierName": { "argumentTypes": null, "id": 4086, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4052, "src": "1707:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1707:9:19" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4085, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4084, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4094, "src": "1682:16:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4083, "name": "address", "nodeType": "ElementaryTypeName", "src": "1682:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1681:18:19" }, "returnParameters": { "id": 4088, "nodeType": "ParameterList", "parameters": [], "src": "1717:0:19" }, "scope": 4118, "src": "1655:107:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4116, "nodeType": "Block", "src": "1961:128:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4104, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4100, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "1979:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4102, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1999:1:19", "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": 4101, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1991:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4103, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1991:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1979:22:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4099, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4136, 4137 ], "referencedDeclaration": 4136, "src": "1971:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4105, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1971:31:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4106, "nodeType": "ExpressionStatement", "src": "1971:31:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4108, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "2038:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4109, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "2046:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4107, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4019, "src": "2017:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4110, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2017:38:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4111, "nodeType": "EmitStatement", "src": "2012:43:19" }, { "expression": { "argumentTypes": null, "id": 4114, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4112, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "2065:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 4113, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "2074:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2065:17:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4115, "nodeType": "ExpressionStatement", "src": "2065:17:19" } ] }, "documentation": "@dev Transfers control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 4117, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4097, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4096, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4117, "src": "1934:16:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4095, "name": "address", "nodeType": "ElementaryTypeName", "src": "1934:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1933:18:19" }, "returnParameters": { "id": 4098, "nodeType": "ParameterList", "parameters": [], "src": "1961:0:19" }, "scope": 4118, "src": "1906:183:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 4119, "src": "215:1876:19" } ], "src": "0:2092:19" }, "legacyAST": { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 4118 ] }, "id": 4119, "nodeType": "SourceUnit", "nodes": [ { "id": 4011, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:19" }, { "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": 4118, "linearizedBaseContracts": [ 4118 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 4013, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 4118, "src": "238:22:19", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4012, "name": "address", "nodeType": "ElementaryTypeName", "src": "238:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 4019, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 4018, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4015, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 4019, "src": "294:29:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4014, "name": "address", "nodeType": "ElementaryTypeName", "src": "294:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4017, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4019, "src": "325:24:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4016, "name": "address", "nodeType": "ElementaryTypeName", "src": "325:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "293:57:19" }, "src": "267:84:19" }, { "body": { "id": 4034, "nodeType": "Block", "src": "505:91:19", "statements": [ { "expression": { "argumentTypes": null, "id": 4025, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4022, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "515:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4023, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4133, "src": "524:3:19", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4024, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "524:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "515:19:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4026, "nodeType": "ExpressionStatement", "src": "515:19:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4029, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "578:1:19", "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": 4028, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "570:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4030, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "570:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 4031, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "582:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4027, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4019, "src": "549:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4032, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "549:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4033, "nodeType": "EmitStatement", "src": "544:45:19" } ] }, "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.", "id": 4035, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 4020, "nodeType": "ParameterList", "parameters": [], "src": "493:2:19" }, "returnParameters": { "id": 4021, "nodeType": "ParameterList", "parameters": [], "src": "505:0:19" }, "scope": 4118, "src": "481:115:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4042, "nodeType": "Block", "src": "706:30:19", "statements": [ { "expression": { "argumentTypes": null, "id": 4040, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "723:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 4039, "id": 4041, "nodeType": "Return", "src": "716:13:19" } ] }, "documentation": "@return the address of the owner.", "id": 4043, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 4036, "nodeType": "ParameterList", "parameters": [], "src": "673:2:19" }, "returnParameters": { "id": 4039, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4038, "name": "", "nodeType": "VariableDeclaration", "scope": 4043, "src": "697:7:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4037, "name": "address", "nodeType": "ElementaryTypeName", "src": "697:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "696:9:19" }, "scope": 4118, "src": "659:77:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4051, "nodeType": "Block", "src": "845:46:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 4046, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4063, "src": "863:7:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 4047, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "863:9:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4045, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4136, 4137 ], "referencedDeclaration": 4136, "src": "855:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4048, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "855:18:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4049, "nodeType": "ExpressionStatement", "src": "855:18:19" }, { "id": 4050, "nodeType": "PlaceholderStatement", "src": "883:1:19" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 4052, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 4044, "nodeType": "ParameterList", "parameters": [], "src": "842:2:19" }, "src": "824:67:19", "visibility": "internal" }, { "body": { "id": 4062, "nodeType": "Block", "src": "1025:44:19", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4060, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4057, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4133, "src": "1042:3:19", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4058, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "1042:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 4059, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "1056:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1042:20:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 4056, "id": 4061, "nodeType": "Return", "src": "1035:27:19" } ] }, "documentation": "@return true if `msg.sender` is the owner of the contract.", "id": 4063, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 4053, "nodeType": "ParameterList", "parameters": [], "src": "995:2:19" }, "returnParameters": { "id": 4056, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4055, "name": "", "nodeType": "VariableDeclaration", "scope": 4063, "src": "1019:4:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4054, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1019:4:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1018:6:19" }, "scope": 4118, "src": "979:90:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4081, "nodeType": "Block", "src": "1393:91:19", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4069, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "1429:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4071, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1445:1:19", "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": 4070, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1437:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4072, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1437:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 4068, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4019, "src": "1408:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4073, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1408:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4074, "nodeType": "EmitStatement", "src": "1403:45:19" }, { "expression": { "argumentTypes": null, "id": 4079, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4075, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "1458:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4077, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1475:1:19", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 4076, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1467:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4078, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1467:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1458:19:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4080, "nodeType": "ExpressionStatement", "src": "1458:19:19" } ] }, "documentation": "@dev Allows the current owner to relinquish control of the contract.\n@notice Renouncing to ownership will leave the contract without an owner.\nIt will not be possible to call the functions with the `onlyOwner`\nmodifier anymore.", "id": 4082, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 4066, "modifierName": { "argumentTypes": null, "id": 4065, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4052, "src": "1383:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1383:9:19" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4064, "nodeType": "ParameterList", "parameters": [], "src": "1373:2:19" }, "returnParameters": { "id": 4067, "nodeType": "ParameterList", "parameters": [], "src": "1393:0:19" }, "scope": 4118, "src": "1347:137:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4093, "nodeType": "Block", "src": "1717:45:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4090, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4084, "src": "1746:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4089, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4117, "src": "1727:18:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 4091, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1727:28:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4092, "nodeType": "ExpressionStatement", "src": "1727:28:19" } ] }, "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 4094, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 4087, "modifierName": { "argumentTypes": null, "id": 4086, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4052, "src": "1707:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1707:9:19" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4085, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4084, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4094, "src": "1682:16:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4083, "name": "address", "nodeType": "ElementaryTypeName", "src": "1682:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1681:18:19" }, "returnParameters": { "id": 4088, "nodeType": "ParameterList", "parameters": [], "src": "1717:0:19" }, "scope": 4118, "src": "1655:107:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4116, "nodeType": "Block", "src": "1961:128:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4104, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4100, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "1979:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4102, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1999:1:19", "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": 4101, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1991:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4103, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1991:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1979:22:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4099, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4136, 4137 ], "referencedDeclaration": 4136, "src": "1971:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4105, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1971:31:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4106, "nodeType": "ExpressionStatement", "src": "1971:31:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4108, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "2038:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4109, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "2046:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4107, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4019, "src": "2017:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4110, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2017:38:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4111, "nodeType": "EmitStatement", "src": "2012:43:19" }, { "expression": { "argumentTypes": null, "id": 4114, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4112, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4013, "src": "2065:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 4113, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4096, "src": "2074:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2065:17:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4115, "nodeType": "ExpressionStatement", "src": "2065:17:19" } ] }, "documentation": "@dev Transfers control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 4117, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4097, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4096, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4117, "src": "1934:16:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4095, "name": "address", "nodeType": "ElementaryTypeName", "src": "1934:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1933:18:19" }, "returnParameters": { "id": 4098, "nodeType": "ParameterList", "parameters": [], "src": "1961:0:19" }, "scope": 4118, "src": "1906:183:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 4119, "src": "215:1876:19" } ], "src": "0:2092:19" }, "compiler": { "name": "solc", "version": "0.5.8+commit.23d335f2.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.16", "updatedAt": "2020-02-10T18:46:21.054Z", "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." } } } }