{ "contractName": "Ownable", "abi": [ { "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\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"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.\",\"kind\":\"dev\",\"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.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"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\":\"0xdb26cbf4d028490f49831a7865c2fe1b28db44b535ca8d343785a3b768aae183\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://840b14ce0315c47d49ba328f1f9fa7654ded1c9e1559e6c5e777a7b2dc28bf0a\",\"dweb:/ipfs/QmTLLabn4wcfGro9LEmUXUN2nwKqZSotXMvjDCLXEnLtZP\"]},\"@openzeppelin/contracts/access/Ownable.sol\":{\"keccak256\":\"0x4bd6402ca6b3419008c2b482aff54e66836e8cb4eba2680e42ac5884ae6424fc\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://8f9f711fb8d0d92aeea1c327e3845d13ca1fa8f142e47f8723cd5b3106fb29a3\",\"dweb:/ipfs/QmVQUReDW9f4zGqhizwHnyU8EntMs95tbASdqkGncnikba\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n\npragma 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": [ 2584 ] }, "id": 2585, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 2477, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:29" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 2478, "nodeType": "ImportDirective", "scope": 2585, "sourceUnit": 2476, "src": "58:28:29", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2480, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2475, "src": "602:7:29", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$2475", "typeString": "contract Context" } }, "id": 2481, "nodeType": "InheritanceSpecifier", "src": "602:7:29" } ], "contractDependencies": [ 2475 ], "contractKind": "contract", "documentation": { "id": 2479, "nodeType": "StructuredDocumentation", "src": "87:494:29", "text": " @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 By default, the owner account will be the one that deploys the contract. This\n can 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\n the owner." }, "fullyImplemented": true, "id": 2584, "linearizedBaseContracts": [ 2584, 2475 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 2483, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2584, "src": "616:22:29", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2482, "name": "address", "nodeType": "ElementaryTypeName", "src": "616:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 2489, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 2488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2485, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2489, "src": "672:29:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2484, "name": "address", "nodeType": "ElementaryTypeName", "src": "672:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2487, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2489, "src": "703:24:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2486, "name": "address", "nodeType": "ElementaryTypeName", "src": "703:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "671:57:29" }, "src": "645:84:29" }, { "body": { "id": 2510, "nodeType": "Block", "src": "855:135:29", "statements": [ { "assignments": [ 2494 ], "declarations": [ { "constant": false, "id": 2494, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2510, "src": "865:17:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2493, "name": "address", "nodeType": "ElementaryTypeName", "src": "865:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 2497, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2495, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2463, "src": "885:10:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2496, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "885:12:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "865:32:29" }, { "expression": { "argumentTypes": null, "id": 2500, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2498, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "907:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2499, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2494, "src": "916:9:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "907:18:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2501, "nodeType": "ExpressionStatement", "src": "907:18:29" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2505, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "969:1:29", "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": 2504, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "961:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2503, "name": "address", "nodeType": "ElementaryTypeName", "src": "961:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2506, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "961:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 2507, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2494, "src": "973:9:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2502, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2489, "src": "940:20:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2508, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "940:43:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2509, "nodeType": "EmitStatement", "src": "935:48:29" } ] }, "documentation": { "id": 2490, "nodeType": "StructuredDocumentation", "src": "735:91:29", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 2511, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2491, "nodeType": "ParameterList", "parameters": [], "src": "843:2:29" }, "returnParameters": { "id": 2492, "nodeType": "ParameterList", "parameters": [], "src": "855:0:29" }, "scope": 2584, "src": "831:159:29", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 2519, "nodeType": "Block", "src": "1113:30:29", "statements": [ { "expression": { "argumentTypes": null, "id": 2517, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1130:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 2516, "id": 2518, "nodeType": "Return", "src": "1123:13:29" } ] }, "documentation": { "id": 2512, "nodeType": "StructuredDocumentation", "src": "996:65:29", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 2520, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2513, "nodeType": "ParameterList", "parameters": [], "src": "1080:2:29" }, "returnParameters": { "id": 2516, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2515, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2520, "src": "1104:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2514, "name": "address", "nodeType": "ElementaryTypeName", "src": "1104:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1103:9:29" }, "scope": 2584, "src": "1066:77:29", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 2532, "nodeType": "Block", "src": "1252:95:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2527, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2524, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1270:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2525, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2463, "src": "1280:10:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2526, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1280:12:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1270:22:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 2528, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1294:34:29", "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": 2523, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1262:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2529, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1262:67:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2530, "nodeType": "ExpressionStatement", "src": "1262:67:29" }, { "id": 2531, "nodeType": "PlaceholderStatement", "src": "1339:1:29" } ] }, "documentation": { "id": 2521, "nodeType": "StructuredDocumentation", "src": "1149:77:29", "text": " @dev Throws if called by any account other than the owner." }, "id": 2533, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 2522, "nodeType": "ParameterList", "parameters": [], "src": "1249:2:29" }, "src": "1231:116:29", "virtual": false, "visibility": "internal" }, { "body": { "id": 2554, "nodeType": "Block", "src": "1743:91:29", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2540, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1779:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2543, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1795:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 2542, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1787:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2541, "name": "address", "nodeType": "ElementaryTypeName", "src": "1787:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2544, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1787:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2539, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2489, "src": "1758:20:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2545, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1758:40:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2546, "nodeType": "EmitStatement", "src": "1753:45:29" }, { "expression": { "argumentTypes": null, "id": 2552, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2547, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1808:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2550, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1825:1:29", "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": 2549, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1817:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2548, "name": "address", "nodeType": "ElementaryTypeName", "src": "1817:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2551, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1817:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1808:19:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2553, "nodeType": "ExpressionStatement", "src": "1808:19:29" } ] }, "documentation": { "id": 2534, "nodeType": "StructuredDocumentation", "src": "1353:331:29", "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,\n thereby removing any functionality that is only available to the owner." }, "functionSelector": "715018a6", "id": 2555, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2537, "modifierName": { "argumentTypes": null, "id": 2536, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2533, "src": "1733:9:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1733:9:29" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2535, "nodeType": "ParameterList", "parameters": [], "src": "1715:2:29" }, "returnParameters": { "id": 2538, "nodeType": "ParameterList", "parameters": [], "src": "1743:0:29" }, "scope": 2584, "src": "1689:145:29", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 2582, "nodeType": "Block", "src": "2053:170:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2569, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2564, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2558, "src": "2071:8:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2567, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2091:1:29", "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": 2566, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2083:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2565, "name": "address", "nodeType": "ElementaryTypeName", "src": "2083:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2568, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2083:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2071:22:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 2570, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2095:40:29", "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": 2563, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2063:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2571, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2063:73:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2572, "nodeType": "ExpressionStatement", "src": "2063:73:29" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2574, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "2172:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2575, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2558, "src": "2180:8:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2573, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2489, "src": "2151:20:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2576, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2151:38:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2577, "nodeType": "EmitStatement", "src": "2146:43:29" }, { "expression": { "argumentTypes": null, "id": 2580, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2578, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "2199:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2579, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2558, "src": "2208:8:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2199:17:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2581, "nodeType": "ExpressionStatement", "src": "2199:17:29" } ] }, "documentation": { "id": 2556, "nodeType": "StructuredDocumentation", "src": "1840:138:29", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 2583, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2561, "modifierName": { "argumentTypes": null, "id": 2560, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2533, "src": "2043:9:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2043:9:29" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2559, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2558, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2583, "src": "2010:16:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2557, "name": "address", "nodeType": "ElementaryTypeName", "src": "2010:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2009:18:29" }, "returnParameters": { "id": 2562, "nodeType": "ParameterList", "parameters": [], "src": "2053:0:29" }, "scope": 2584, "src": "1983:240:29", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 2585, "src": "582:1643:29" } ], "src": "33:2193:29" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "exportedSymbols": { "Ownable": [ 2584 ] }, "id": 2585, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 2477, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "33:23:29" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 2478, "nodeType": "ImportDirective", "scope": 2585, "sourceUnit": 2476, "src": "58:28:29", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2480, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2475, "src": "602:7:29", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$2475", "typeString": "contract Context" } }, "id": 2481, "nodeType": "InheritanceSpecifier", "src": "602:7:29" } ], "contractDependencies": [ 2475 ], "contractKind": "contract", "documentation": { "id": 2479, "nodeType": "StructuredDocumentation", "src": "87:494:29", "text": " @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 By default, the owner account will be the one that deploys the contract. This\n can 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\n the owner." }, "fullyImplemented": true, "id": 2584, "linearizedBaseContracts": [ 2584, 2475 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 2483, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2584, "src": "616:22:29", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2482, "name": "address", "nodeType": "ElementaryTypeName", "src": "616:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 2489, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 2488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2485, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2489, "src": "672:29:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2484, "name": "address", "nodeType": "ElementaryTypeName", "src": "672:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2487, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2489, "src": "703:24:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2486, "name": "address", "nodeType": "ElementaryTypeName", "src": "703:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "671:57:29" }, "src": "645:84:29" }, { "body": { "id": 2510, "nodeType": "Block", "src": "855:135:29", "statements": [ { "assignments": [ 2494 ], "declarations": [ { "constant": false, "id": 2494, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2510, "src": "865:17:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2493, "name": "address", "nodeType": "ElementaryTypeName", "src": "865:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 2497, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2495, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2463, "src": "885:10:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2496, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "885:12:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "865:32:29" }, { "expression": { "argumentTypes": null, "id": 2500, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2498, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "907:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2499, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2494, "src": "916:9:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "907:18:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2501, "nodeType": "ExpressionStatement", "src": "907:18:29" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2505, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "969:1:29", "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": 2504, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "961:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2503, "name": "address", "nodeType": "ElementaryTypeName", "src": "961:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2506, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "961:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 2507, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2494, "src": "973:9:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2502, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2489, "src": "940:20:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2508, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "940:43:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2509, "nodeType": "EmitStatement", "src": "935:48:29" } ] }, "documentation": { "id": 2490, "nodeType": "StructuredDocumentation", "src": "735:91:29", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 2511, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2491, "nodeType": "ParameterList", "parameters": [], "src": "843:2:29" }, "returnParameters": { "id": 2492, "nodeType": "ParameterList", "parameters": [], "src": "855:0:29" }, "scope": 2584, "src": "831:159:29", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 2519, "nodeType": "Block", "src": "1113:30:29", "statements": [ { "expression": { "argumentTypes": null, "id": 2517, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1130:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 2516, "id": 2518, "nodeType": "Return", "src": "1123:13:29" } ] }, "documentation": { "id": 2512, "nodeType": "StructuredDocumentation", "src": "996:65:29", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 2520, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2513, "nodeType": "ParameterList", "parameters": [], "src": "1080:2:29" }, "returnParameters": { "id": 2516, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2515, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2520, "src": "1104:7:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2514, "name": "address", "nodeType": "ElementaryTypeName", "src": "1104:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1103:9:29" }, "scope": 2584, "src": "1066:77:29", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 2532, "nodeType": "Block", "src": "1252:95:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2527, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2524, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1270:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2525, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2463, "src": "1280:10:29", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2526, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1280:12:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1270:22:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 2528, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1294:34:29", "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": 2523, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1262:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2529, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1262:67:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2530, "nodeType": "ExpressionStatement", "src": "1262:67:29" }, { "id": 2531, "nodeType": "PlaceholderStatement", "src": "1339:1:29" } ] }, "documentation": { "id": 2521, "nodeType": "StructuredDocumentation", "src": "1149:77:29", "text": " @dev Throws if called by any account other than the owner." }, "id": 2533, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 2522, "nodeType": "ParameterList", "parameters": [], "src": "1249:2:29" }, "src": "1231:116:29", "virtual": false, "visibility": "internal" }, { "body": { "id": 2554, "nodeType": "Block", "src": "1743:91:29", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2540, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1779:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2543, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1795:1:29", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 2542, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1787:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2541, "name": "address", "nodeType": "ElementaryTypeName", "src": "1787:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2544, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1787:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2539, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2489, "src": "1758:20:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2545, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1758:40:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2546, "nodeType": "EmitStatement", "src": "1753:45:29" }, { "expression": { "argumentTypes": null, "id": 2552, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2547, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "1808:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2550, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1825:1:29", "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": 2549, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1817:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2548, "name": "address", "nodeType": "ElementaryTypeName", "src": "1817:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2551, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1817:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1808:19:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2553, "nodeType": "ExpressionStatement", "src": "1808:19:29" } ] }, "documentation": { "id": 2534, "nodeType": "StructuredDocumentation", "src": "1353:331:29", "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,\n thereby removing any functionality that is only available to the owner." }, "functionSelector": "715018a6", "id": 2555, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2537, "modifierName": { "argumentTypes": null, "id": 2536, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2533, "src": "1733:9:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1733:9:29" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2535, "nodeType": "ParameterList", "parameters": [], "src": "1715:2:29" }, "returnParameters": { "id": 2538, "nodeType": "ParameterList", "parameters": [], "src": "1743:0:29" }, "scope": 2584, "src": "1689:145:29", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 2582, "nodeType": "Block", "src": "2053:170:29", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2569, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2564, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2558, "src": "2071:8:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2567, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2091:1:29", "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": 2566, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2083:7:29", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2565, "name": "address", "nodeType": "ElementaryTypeName", "src": "2083:7:29", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2568, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2083:10:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2071:22:29", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 2570, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2095:40:29", "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": 2563, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2063:7:29", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2571, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2063:73:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2572, "nodeType": "ExpressionStatement", "src": "2063:73:29" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2574, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "2172:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2575, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2558, "src": "2180:8:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2573, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2489, "src": "2151:20:29", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2576, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2151:38:29", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2577, "nodeType": "EmitStatement", "src": "2146:43:29" }, { "expression": { "argumentTypes": null, "id": 2580, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2578, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2483, "src": "2199:6:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2579, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2558, "src": "2208:8:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2199:17:29", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2581, "nodeType": "ExpressionStatement", "src": "2199:17:29" } ] }, "documentation": { "id": 2556, "nodeType": "StructuredDocumentation", "src": "1840:138:29", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 2583, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2561, "modifierName": { "argumentTypes": null, "id": 2560, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2533, "src": "2043:9:29", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2043:9:29" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2559, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2558, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2583, "src": "2010:16:29", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2557, "name": "address", "nodeType": "ElementaryTypeName", "src": "2010:7:29", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2009:18:29" }, "returnParameters": { "id": 2562, "nodeType": "ParameterList", "parameters": [], "src": "2053:0:29" }, "scope": 2584, "src": "1983:240:29", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 2585, "src": "582:1643:29" } ], "src": "33:2193:29" }, "compiler": { "name": "solc", "version": "0.6.12+commit.27d51765.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.2.5", "updatedAt": "2023-05-04T08:29:47.214Z", "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.", "kind": "dev", "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." } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }