{ "contractName": "Ownable", "abi": [ { "inputs": [], "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" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.6+commit.6c089d02\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"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\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Contract module which provides a basic access control mechanism, where there is an account (an owner) that can be granted exclusive access to specific functions. * By default, the owner account will be the one that deploys the contract. This can later be changed with {transferOwnership}. * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be applied to your functions to restrict their use to the owner.\",\"methods\":{\"constructor\":{\"details\":\"Initializes the contract setting the deployer as the initial owner.\"},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/access/Ownable.sol\":\"Ownable\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0x0de74dfa6b37943c1b834cbd8fb7a8d052e5ff80c7adb33692102dd6cd2985e9\",\"urls\":[\"bzz-raw://9d2d827fcf4a838f5821732c0acd6a40d21c2a5a2cfe2563feec91465f47bb60\",\"dweb:/ipfs/Qmex3wMKf5Sghbfvr288RUg1kP2uAyTMf11w83WbMbpQQc\"]},\"@openzeppelin/contracts/access/Ownable.sol\":{\"keccak256\":\"0x9a8c691b81a4a48adbbd5b010faa56a168c189e711495c16347d93b60b805f82\",\"urls\":[\"bzz-raw://d951d626ed7bfe1a2d7a6bd4af315ff8691929bd567594d6ab53599fe9e17e4e\",\"dweb:/ipfs/QmYkGeowpa6Bjr9aaDirWdDo7hSfShzzZhanKC4nTfRhLj\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.6.0;\n\nimport \"../GSN/Context.sol\";\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\ncontract Ownable is Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n constructor () internal {\n address msgSender = _msgSender();\n _owner = msgSender;\n emit OwnershipTransferred(address(0), msgSender);\n }\n\n /**\n * @dev Returns the address of the current 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(_owner == _msgSender(), \"Ownable: caller is not the owner\");\n _;\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * NOTE: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public virtual onlyOwner {\n emit OwnershipTransferred(_owner, address(0));\n _owner = address(0);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public virtual onlyOwner {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n}\n", "sourcePath": "@openzeppelin/contracts/access/Ownable.sol", "ast": { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "exportedSymbols": { "Ownable": [ 10861 ] }, "id": 10862, "nodeType": "SourceUnit", "nodes": [ { "id": 10754, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:66" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 10755, "nodeType": "ImportDirective", "scope": 10862, "sourceUnit": 10753, "src": "25:28:66", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10757, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10752, "src": "569:7:66", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$10752", "typeString": "contract Context" } }, "id": 10758, "nodeType": "InheritanceSpecifier", "src": "569:7:66" } ], "contractDependencies": [ 10752 ], "contractKind": "contract", "documentation": { "id": 10756, "nodeType": "StructuredDocumentation", "src": "54:494:66", "text": "@dev Contract module which provides a basic access control mechanism, where\nthere is an account (an owner) that can be granted exclusive access to\nspecific functions.\n * By default, the owner account will be the one that deploys the contract. This\ncan later be changed with {transferOwnership}.\n * This module is used through inheritance. It will make available the modifier\n`onlyOwner`, which can be applied to your functions to restrict their use to\nthe owner." }, "fullyImplemented": true, "id": 10861, "linearizedBaseContracts": [ 10861, 10752 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 10760, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10861, "src": "583:22:66", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10759, "name": "address", "nodeType": "ElementaryTypeName", "src": "583:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 10766, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 10765, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10762, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10766, "src": "639:29:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10761, "name": "address", "nodeType": "ElementaryTypeName", "src": "639:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10764, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10766, "src": "670:24:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10763, "name": "address", "nodeType": "ElementaryTypeName", "src": "670:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "638:57:66" }, "src": "612:84:66" }, { "body": { "id": 10787, "nodeType": "Block", "src": "822:135:66", "statements": [ { "assignments": [ 10771 ], "declarations": [ { "constant": false, "id": 10771, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10787, "src": "832:17:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10770, "name": "address", "nodeType": "ElementaryTypeName", "src": "832:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 10774, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10772, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10740, "src": "852:10:66", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10773, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "852:12:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "832:32:66" }, { "expression": { "argumentTypes": null, "id": 10777, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10775, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "874:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10776, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10771, "src": "883:9:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "874:18:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10778, "nodeType": "ExpressionStatement", "src": "874:18:66" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10782, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "936:1:66", "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": 10781, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "928:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10780, "name": "address", "nodeType": "ElementaryTypeName", "src": "928:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10783, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "928:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 10784, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10771, "src": "940:9:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10779, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10766, "src": "907:20:66", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10785, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "907:43:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10786, "nodeType": "EmitStatement", "src": "902:48:66" } ] }, "documentation": { "id": 10767, "nodeType": "StructuredDocumentation", "src": "702:91:66", "text": "@dev Initializes the contract setting the deployer as the initial owner." }, "id": 10788, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10768, "nodeType": "ParameterList", "parameters": [], "src": "810:2:66" }, "returnParameters": { "id": 10769, "nodeType": "ParameterList", "parameters": [], "src": "822:0:66" }, "scope": 10861, "src": "798:159:66", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 10796, "nodeType": "Block", "src": "1080:30:66", "statements": [ { "expression": { "argumentTypes": null, "id": 10794, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1097:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 10793, "id": 10795, "nodeType": "Return", "src": "1090:13:66" } ] }, "documentation": { "id": 10789, "nodeType": "StructuredDocumentation", "src": "963:65:66", "text": "@dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 10797, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10790, "nodeType": "ParameterList", "parameters": [], "src": "1047:2:66" }, "returnParameters": { "id": 10793, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10792, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10797, "src": "1071:7:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10791, "name": "address", "nodeType": "ElementaryTypeName", "src": "1071:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1070:9:66" }, "scope": 10861, "src": "1033:77:66", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 10809, "nodeType": "Block", "src": "1219:95:66", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10801, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1237:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10802, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10740, "src": "1247:10:66", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10803, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1247:12:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1237:22:66", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 10805, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1261:34:66", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe", "typeString": "literal_string \"Ownable: caller is not the owner\"" }, "value": "Ownable: caller is not the owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe", "typeString": "literal_string \"Ownable: caller is not the owner\"" } ], "id": 10800, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1229:7:66", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10806, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1229:67:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10807, "nodeType": "ExpressionStatement", "src": "1229:67:66" }, { "id": 10808, "nodeType": "PlaceholderStatement", "src": "1306:1:66" } ] }, "documentation": { "id": 10798, "nodeType": "StructuredDocumentation", "src": "1116:77:66", "text": "@dev Throws if called by any account other than the owner." }, "id": 10810, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 10799, "nodeType": "ParameterList", "parameters": [], "src": "1216:2:66" }, "src": "1198:116:66", "virtual": false, "visibility": "internal" }, { "body": { "id": 10831, "nodeType": "Block", "src": "1710:91:66", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10817, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1746:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10820, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1762:1:66", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 10819, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1754:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10818, "name": "address", "nodeType": "ElementaryTypeName", "src": "1754:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10821, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1754:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 10816, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10766, "src": "1725:20:66", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10822, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1725:40:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10823, "nodeType": "EmitStatement", "src": "1720:45:66" }, { "expression": { "argumentTypes": null, "id": 10829, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10824, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1775:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10827, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1792:1:66", "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": 10826, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1784:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10825, "name": "address", "nodeType": "ElementaryTypeName", "src": "1784:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10828, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1784:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1775:19:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10830, "nodeType": "ExpressionStatement", "src": "1775:19:66" } ] }, "documentation": { "id": 10811, "nodeType": "StructuredDocumentation", "src": "1320:331:66", "text": "@dev Leaves the contract without owner. It will not be possible to call\n`onlyOwner` functions anymore. Can only be called by the current owner.\n * NOTE: Renouncing ownership will leave the contract without an owner,\nthereby removing any functionality that is only available to the owner." }, "functionSelector": "715018a6", "id": 10832, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10814, "modifierName": { "argumentTypes": null, "id": 10813, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10810, "src": "1700:9:66", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1700:9:66" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10812, "nodeType": "ParameterList", "parameters": [], "src": "1682:2:66" }, "returnParameters": { "id": 10815, "nodeType": "ParameterList", "parameters": [], "src": "1710:0:66" }, "scope": 10861, "src": "1656:145:66", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 10859, "nodeType": "Block", "src": "2020:170:66", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10846, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10841, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10835, "src": "2038:8:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10844, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2058:1:66", "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": 10843, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2050:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10842, "name": "address", "nodeType": "ElementaryTypeName", "src": "2050:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10845, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2050:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2038:22:66", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 10847, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2062:40:66", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" }, "value": "Ownable: new owner is the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" } ], "id": 10840, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2030:7:66", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10848, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2030:73:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10849, "nodeType": "ExpressionStatement", "src": "2030:73:66" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10851, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "2139:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 10852, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10835, "src": "2147:8:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10850, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10766, "src": "2118:20:66", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10853, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2118:38:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10854, "nodeType": "EmitStatement", "src": "2113:43:66" }, { "expression": { "argumentTypes": null, "id": 10857, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10855, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "2166:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10856, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10835, "src": "2175:8:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2166:17:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10858, "nodeType": "ExpressionStatement", "src": "2166:17:66" } ] }, "documentation": { "id": 10833, "nodeType": "StructuredDocumentation", "src": "1807:138:66", "text": "@dev Transfers ownership of the contract to a new account (`newOwner`).\nCan only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 10860, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10838, "modifierName": { "argumentTypes": null, "id": 10837, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10810, "src": "2010:9:66", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2010:9:66" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10836, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10835, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10860, "src": "1977:16:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10834, "name": "address", "nodeType": "ElementaryTypeName", "src": "1977:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1976:18:66" }, "returnParameters": { "id": 10839, "nodeType": "ParameterList", "parameters": [], "src": "2020:0:66" }, "scope": 10861, "src": "1950:240:66", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 10862, "src": "549:1643:66" } ], "src": "0:2193:66" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "exportedSymbols": { "Ownable": [ 10861 ] }, "id": 10862, "nodeType": "SourceUnit", "nodes": [ { "id": 10754, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:66" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 10755, "nodeType": "ImportDirective", "scope": 10862, "sourceUnit": 10753, "src": "25:28:66", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10757, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10752, "src": "569:7:66", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$10752", "typeString": "contract Context" } }, "id": 10758, "nodeType": "InheritanceSpecifier", "src": "569:7:66" } ], "contractDependencies": [ 10752 ], "contractKind": "contract", "documentation": { "id": 10756, "nodeType": "StructuredDocumentation", "src": "54:494:66", "text": "@dev Contract module which provides a basic access control mechanism, where\nthere is an account (an owner) that can be granted exclusive access to\nspecific functions.\n * By default, the owner account will be the one that deploys the contract. This\ncan later be changed with {transferOwnership}.\n * This module is used through inheritance. It will make available the modifier\n`onlyOwner`, which can be applied to your functions to restrict their use to\nthe owner." }, "fullyImplemented": true, "id": 10861, "linearizedBaseContracts": [ 10861, 10752 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 10760, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10861, "src": "583:22:66", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10759, "name": "address", "nodeType": "ElementaryTypeName", "src": "583:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 10766, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 10765, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10762, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10766, "src": "639:29:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10761, "name": "address", "nodeType": "ElementaryTypeName", "src": "639:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10764, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10766, "src": "670:24:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10763, "name": "address", "nodeType": "ElementaryTypeName", "src": "670:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "638:57:66" }, "src": "612:84:66" }, { "body": { "id": 10787, "nodeType": "Block", "src": "822:135:66", "statements": [ { "assignments": [ 10771 ], "declarations": [ { "constant": false, "id": 10771, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10787, "src": "832:17:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10770, "name": "address", "nodeType": "ElementaryTypeName", "src": "832:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 10774, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10772, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10740, "src": "852:10:66", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10773, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "852:12:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "832:32:66" }, { "expression": { "argumentTypes": null, "id": 10777, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10775, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "874:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10776, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10771, "src": "883:9:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "874:18:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10778, "nodeType": "ExpressionStatement", "src": "874:18:66" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10782, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "936:1:66", "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": 10781, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "928:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10780, "name": "address", "nodeType": "ElementaryTypeName", "src": "928:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10783, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "928:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 10784, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10771, "src": "940:9:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10779, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10766, "src": "907:20:66", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10785, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "907:43:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10786, "nodeType": "EmitStatement", "src": "902:48:66" } ] }, "documentation": { "id": 10767, "nodeType": "StructuredDocumentation", "src": "702:91:66", "text": "@dev Initializes the contract setting the deployer as the initial owner." }, "id": 10788, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10768, "nodeType": "ParameterList", "parameters": [], "src": "810:2:66" }, "returnParameters": { "id": 10769, "nodeType": "ParameterList", "parameters": [], "src": "822:0:66" }, "scope": 10861, "src": "798:159:66", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 10796, "nodeType": "Block", "src": "1080:30:66", "statements": [ { "expression": { "argumentTypes": null, "id": 10794, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1097:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 10793, "id": 10795, "nodeType": "Return", "src": "1090:13:66" } ] }, "documentation": { "id": 10789, "nodeType": "StructuredDocumentation", "src": "963:65:66", "text": "@dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 10797, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10790, "nodeType": "ParameterList", "parameters": [], "src": "1047:2:66" }, "returnParameters": { "id": 10793, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10792, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10797, "src": "1071:7:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10791, "name": "address", "nodeType": "ElementaryTypeName", "src": "1071:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1070:9:66" }, "scope": 10861, "src": "1033:77:66", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 10809, "nodeType": "Block", "src": "1219:95:66", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10804, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10801, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1237:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10802, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10740, "src": "1247:10:66", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10803, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1247:12:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1237:22:66", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 10805, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1261:34:66", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe", "typeString": "literal_string \"Ownable: caller is not the owner\"" }, "value": "Ownable: caller is not the owner" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9924ebdf1add33d25d4ef888e16131f0a5687b0580a36c21b5c301a6c462effe", "typeString": "literal_string \"Ownable: caller is not the owner\"" } ], "id": 10800, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1229:7:66", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10806, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1229:67:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10807, "nodeType": "ExpressionStatement", "src": "1229:67:66" }, { "id": 10808, "nodeType": "PlaceholderStatement", "src": "1306:1:66" } ] }, "documentation": { "id": 10798, "nodeType": "StructuredDocumentation", "src": "1116:77:66", "text": "@dev Throws if called by any account other than the owner." }, "id": 10810, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 10799, "nodeType": "ParameterList", "parameters": [], "src": "1216:2:66" }, "src": "1198:116:66", "virtual": false, "visibility": "internal" }, { "body": { "id": 10831, "nodeType": "Block", "src": "1710:91:66", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10817, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1746:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10820, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1762:1:66", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 10819, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1754:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10818, "name": "address", "nodeType": "ElementaryTypeName", "src": "1754:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10821, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1754:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 10816, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10766, "src": "1725:20:66", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10822, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1725:40:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10823, "nodeType": "EmitStatement", "src": "1720:45:66" }, { "expression": { "argumentTypes": null, "id": 10829, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10824, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "1775:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10827, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1792:1:66", "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": 10826, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1784:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10825, "name": "address", "nodeType": "ElementaryTypeName", "src": "1784:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10828, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1784:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1775:19:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10830, "nodeType": "ExpressionStatement", "src": "1775:19:66" } ] }, "documentation": { "id": 10811, "nodeType": "StructuredDocumentation", "src": "1320:331:66", "text": "@dev Leaves the contract without owner. It will not be possible to call\n`onlyOwner` functions anymore. Can only be called by the current owner.\n * NOTE: Renouncing ownership will leave the contract without an owner,\nthereby removing any functionality that is only available to the owner." }, "functionSelector": "715018a6", "id": 10832, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10814, "modifierName": { "argumentTypes": null, "id": 10813, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10810, "src": "1700:9:66", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1700:9:66" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10812, "nodeType": "ParameterList", "parameters": [], "src": "1682:2:66" }, "returnParameters": { "id": 10815, "nodeType": "ParameterList", "parameters": [], "src": "1710:0:66" }, "scope": 10861, "src": "1656:145:66", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 10859, "nodeType": "Block", "src": "2020:170:66", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10846, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10841, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10835, "src": "2038:8:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10844, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2058:1:66", "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": 10843, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2050:7:66", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 10842, "name": "address", "nodeType": "ElementaryTypeName", "src": "2050:7:66", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 10845, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2050:10:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2038:22:66", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 10847, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2062:40:66", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" }, "value": "Ownable: new owner is the zero address" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" } ], "id": 10840, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2030:7:66", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10848, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2030:73:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10849, "nodeType": "ExpressionStatement", "src": "2030:73:66" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10851, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "2139:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 10852, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10835, "src": "2147:8:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10850, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10766, "src": "2118:20:66", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10853, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2118:38:66", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10854, "nodeType": "EmitStatement", "src": "2113:43:66" }, { "expression": { "argumentTypes": null, "id": 10857, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10855, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10760, "src": "2166:6:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10856, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10835, "src": "2175:8:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2166:17:66", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10858, "nodeType": "ExpressionStatement", "src": "2166:17:66" } ] }, "documentation": { "id": 10833, "nodeType": "StructuredDocumentation", "src": "1807:138:66", "text": "@dev Transfers ownership of the contract to a new account (`newOwner`).\nCan only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 10860, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10838, "modifierName": { "argumentTypes": null, "id": 10837, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10810, "src": "2010:9:66", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2010:9:66" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 10836, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10835, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 10860, "src": "1977:16:66", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10834, "name": "address", "nodeType": "ElementaryTypeName", "src": "1977:7:66", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1976:18:66" }, "returnParameters": { "id": 10839, "nodeType": "ParameterList", "parameters": [], "src": "2020:0:66" }, "scope": 10861, "src": "1950:240:66", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 10862, "src": "549:1643:66" } ], "src": "0:2193:66" }, "compiler": { "name": "solc", "version": "0.6.6+commit.6c089d02.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.1.0", "updatedAt": "2020-04-21T18:10:34.963Z", "devdoc": { "details": "Contract module which provides a basic access control mechanism, where there is an account (an owner) that can be granted exclusive access to specific functions. * By default, the owner account will be the one that deploys the contract. This can later be changed with {transferOwnership}. * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be applied to your functions to restrict their use to the owner.", "methods": { "constructor": { "details": "Initializes the contract setting the deployer as the initial owner." }, "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } } }, "userdoc": { "methods": {} } }