{ "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\":\"0x8d3cb350f04ff49cfb10aef08d87f19dcbaecc8027b0bed12f3275cd12f38cf0\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ded47ec7c96750f9bd04bbbc84f659992d4ba901cb7b532a52cd468272cf378f\",\"dweb:/ipfs/QmfBrGtQP7rZEqEg6Wz6jh2N2Kukpj1z5v3CGWmAqrzm96\"]},\"@openzeppelin/contracts/access/Ownable.sol\":{\"keccak256\":\"0xf7c39c7e6d06ed3bda90cfefbcbf2ddc32c599c3d6721746546ad64946efccaa\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://cb57a28e189cd8b05748db44bdd51d608e6f1364dd1b35ad921e1bc82c10631e\",\"dweb:/ipfs/QmaWWTBbVu2pRR9XUbE4iC159NoP59cRF9ZJwhf4ghFN9i\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity >=0.6.0 <0.8.0;\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 */\nabstract contract 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": [ 2556 ] }, "id": 2557, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 2449, "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:31:11" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 2450, "nodeType": "ImportDirective", "scope": 2557, "sourceUnit": 2448, "src": "66:28:11", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2452, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2447, "src": "619:7:11", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$2447", "typeString": "contract Context" } }, "id": 2453, "nodeType": "InheritanceSpecifier", "src": "619:7:11" } ], "contractDependencies": [ 2447 ], "contractKind": "contract", "documentation": { "id": 2451, "nodeType": "StructuredDocumentation", "src": "95:494:11", "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": 2556, "linearizedBaseContracts": [ 2556, 2447 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 2455, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2556, "src": "633:22:11", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2454, "name": "address", "nodeType": "ElementaryTypeName", "src": "633:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 2461, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 2460, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2457, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2461, "src": "689:29:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2456, "name": "address", "nodeType": "ElementaryTypeName", "src": "689:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2459, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2461, "src": "720:24:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2458, "name": "address", "nodeType": "ElementaryTypeName", "src": "720:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "688:57:11" }, "src": "662:84:11" }, { "body": { "id": 2482, "nodeType": "Block", "src": "872:135:11", "statements": [ { "assignments": [ 2466 ], "declarations": [ { "constant": false, "id": 2466, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2482, "src": "882:17:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2465, "name": "address", "nodeType": "ElementaryTypeName", "src": "882:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 2469, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2467, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2435, "src": "902:10:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2468, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "902:12:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "882:32:11" }, { "expression": { "argumentTypes": null, "id": 2472, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2470, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "924:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2471, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2466, "src": "933:9:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "924:18:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2473, "nodeType": "ExpressionStatement", "src": "924:18:11" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2477, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "986:1:11", "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": 2476, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "978:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2475, "name": "address", "nodeType": "ElementaryTypeName", "src": "978:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2478, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "978:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 2479, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2466, "src": "990:9:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2474, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2461, "src": "957:20:11", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2480, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "957:43:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2481, "nodeType": "EmitStatement", "src": "952:48:11" } ] }, "documentation": { "id": 2462, "nodeType": "StructuredDocumentation", "src": "752:91:11", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 2483, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2463, "nodeType": "ParameterList", "parameters": [], "src": "860:2:11" }, "returnParameters": { "id": 2464, "nodeType": "ParameterList", "parameters": [], "src": "872:0:11" }, "scope": 2556, "src": "848:159:11", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 2491, "nodeType": "Block", "src": "1130:30:11", "statements": [ { "expression": { "argumentTypes": null, "id": 2489, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1147:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 2488, "id": 2490, "nodeType": "Return", "src": "1140:13:11" } ] }, "documentation": { "id": 2484, "nodeType": "StructuredDocumentation", "src": "1013:65:11", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 2492, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2485, "nodeType": "ParameterList", "parameters": [], "src": "1097:2:11" }, "returnParameters": { "id": 2488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2487, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2492, "src": "1121:7:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2486, "name": "address", "nodeType": "ElementaryTypeName", "src": "1121:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1120:9:11" }, "scope": 2556, "src": "1083:77:11", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 2504, "nodeType": "Block", "src": "1269:95:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2499, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2496, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1287:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2497, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2435, "src": "1297:10:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2498, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1297:12:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1287:22:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 2500, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1311:34:11", "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": 2495, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1279:7:11", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2501, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1279:67:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2502, "nodeType": "ExpressionStatement", "src": "1279:67:11" }, { "id": 2503, "nodeType": "PlaceholderStatement", "src": "1356:1:11" } ] }, "documentation": { "id": 2493, "nodeType": "StructuredDocumentation", "src": "1166:77:11", "text": " @dev Throws if called by any account other than the owner." }, "id": 2505, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 2494, "nodeType": "ParameterList", "parameters": [], "src": "1266:2:11" }, "src": "1248:116:11", "virtual": false, "visibility": "internal" }, { "body": { "id": 2526, "nodeType": "Block", "src": "1760:91:11", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2512, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1796:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2515, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1812:1:11", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 2514, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1804:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2513, "name": "address", "nodeType": "ElementaryTypeName", "src": "1804:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2516, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1804:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2511, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2461, "src": "1775:20:11", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2517, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1775:40:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2518, "nodeType": "EmitStatement", "src": "1770:45:11" }, { "expression": { "argumentTypes": null, "id": 2524, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2519, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1825:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2522, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1842:1:11", "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": 2521, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1834:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2520, "name": "address", "nodeType": "ElementaryTypeName", "src": "1834:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2523, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1834:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1825:19:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2525, "nodeType": "ExpressionStatement", "src": "1825:19:11" } ] }, "documentation": { "id": 2506, "nodeType": "StructuredDocumentation", "src": "1370:331:11", "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": 2527, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2509, "modifierName": { "argumentTypes": null, "id": 2508, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1750:9:11", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1750:9:11" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2507, "nodeType": "ParameterList", "parameters": [], "src": "1732:2:11" }, "returnParameters": { "id": 2510, "nodeType": "ParameterList", "parameters": [], "src": "1760:0:11" }, "scope": 2556, "src": "1706:145:11", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 2554, "nodeType": "Block", "src": "2070:170:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2541, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2536, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2530, "src": "2088:8:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2539, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2108:1:11", "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": 2538, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2100:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2537, "name": "address", "nodeType": "ElementaryTypeName", "src": "2100:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2540, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2100:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2088:22:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 2542, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2112:40:11", "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": 2535, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2080:7:11", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2543, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2080:73:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2544, "nodeType": "ExpressionStatement", "src": "2080:73:11" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2546, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "2189:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2547, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2530, "src": "2197:8:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2545, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2461, "src": "2168:20:11", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2548, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2168:38:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2549, "nodeType": "EmitStatement", "src": "2163:43:11" }, { "expression": { "argumentTypes": null, "id": 2552, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2550, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "2216:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2551, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2530, "src": "2225:8:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2216:17:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2553, "nodeType": "ExpressionStatement", "src": "2216:17:11" } ] }, "documentation": { "id": 2528, "nodeType": "StructuredDocumentation", "src": "1857:138:11", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 2555, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2533, "modifierName": { "argumentTypes": null, "id": 2532, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "2060:9:11", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2060:9:11" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2531, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2530, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2555, "src": "2027:16:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2529, "name": "address", "nodeType": "ElementaryTypeName", "src": "2027:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2026:18:11" }, "returnParameters": { "id": 2534, "nodeType": "ParameterList", "parameters": [], "src": "2070:0:11" }, "scope": 2556, "src": "2000:240:11", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 2557, "src": "590:1652:11" } ], "src": "33:2210:11" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "exportedSymbols": { "Ownable": [ 2556 ] }, "id": 2557, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 2449, "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ], "nodeType": "PragmaDirective", "src": "33:31:11" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 2450, "nodeType": "ImportDirective", "scope": 2557, "sourceUnit": 2448, "src": "66:28:11", "symbolAliases": [], "unitAlias": "" }, { "abstract": true, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 2452, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 2447, "src": "619:7:11", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$2447", "typeString": "contract Context" } }, "id": 2453, "nodeType": "InheritanceSpecifier", "src": "619:7:11" } ], "contractDependencies": [ 2447 ], "contractKind": "contract", "documentation": { "id": 2451, "nodeType": "StructuredDocumentation", "src": "95:494:11", "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": 2556, "linearizedBaseContracts": [ 2556, 2447 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 2455, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2556, "src": "633:22:11", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2454, "name": "address", "nodeType": "ElementaryTypeName", "src": "633:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 2461, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 2460, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2457, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2461, "src": "689:29:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2456, "name": "address", "nodeType": "ElementaryTypeName", "src": "689:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 2459, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2461, "src": "720:24:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2458, "name": "address", "nodeType": "ElementaryTypeName", "src": "720:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "688:57:11" }, "src": "662:84:11" }, { "body": { "id": 2482, "nodeType": "Block", "src": "872:135:11", "statements": [ { "assignments": [ 2466 ], "declarations": [ { "constant": false, "id": 2466, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2482, "src": "882:17:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2465, "name": "address", "nodeType": "ElementaryTypeName", "src": "882:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 2469, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2467, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2435, "src": "902:10:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2468, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "902:12:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "882:32:11" }, { "expression": { "argumentTypes": null, "id": 2472, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2470, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "924:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2471, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2466, "src": "933:9:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "924:18:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2473, "nodeType": "ExpressionStatement", "src": "924:18:11" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2477, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "986:1:11", "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": 2476, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "978:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2475, "name": "address", "nodeType": "ElementaryTypeName", "src": "978:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2478, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "978:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 2479, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2466, "src": "990:9:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2474, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2461, "src": "957:20:11", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2480, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "957:43:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2481, "nodeType": "EmitStatement", "src": "952:48:11" } ] }, "documentation": { "id": 2462, "nodeType": "StructuredDocumentation", "src": "752:91:11", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 2483, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2463, "nodeType": "ParameterList", "parameters": [], "src": "860:2:11" }, "returnParameters": { "id": 2464, "nodeType": "ParameterList", "parameters": [], "src": "872:0:11" }, "scope": 2556, "src": "848:159:11", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 2491, "nodeType": "Block", "src": "1130:30:11", "statements": [ { "expression": { "argumentTypes": null, "id": 2489, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1147:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 2488, "id": 2490, "nodeType": "Return", "src": "1140:13:11" } ] }, "documentation": { "id": 2484, "nodeType": "StructuredDocumentation", "src": "1013:65:11", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 2492, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2485, "nodeType": "ParameterList", "parameters": [], "src": "1097:2:11" }, "returnParameters": { "id": 2488, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2487, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2492, "src": "1121:7:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2486, "name": "address", "nodeType": "ElementaryTypeName", "src": "1121:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1120:9:11" }, "scope": 2556, "src": "1083:77:11", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 2504, "nodeType": "Block", "src": "1269:95:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2499, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2496, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1287:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 2497, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2435, "src": "1297:10:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 2498, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1297:12:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1287:22:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 2500, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1311:34:11", "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": 2495, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1279:7:11", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2501, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1279:67:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2502, "nodeType": "ExpressionStatement", "src": "1279:67:11" }, { "id": 2503, "nodeType": "PlaceholderStatement", "src": "1356:1:11" } ] }, "documentation": { "id": 2493, "nodeType": "StructuredDocumentation", "src": "1166:77:11", "text": " @dev Throws if called by any account other than the owner." }, "id": 2505, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 2494, "nodeType": "ParameterList", "parameters": [], "src": "1266:2:11" }, "src": "1248:116:11", "virtual": false, "visibility": "internal" }, { "body": { "id": 2526, "nodeType": "Block", "src": "1760:91:11", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2512, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1796:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2515, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1812:1:11", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 2514, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1804:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2513, "name": "address", "nodeType": "ElementaryTypeName", "src": "1804:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2516, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1804:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 2511, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2461, "src": "1775:20:11", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2517, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1775:40:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2518, "nodeType": "EmitStatement", "src": "1770:45:11" }, { "expression": { "argumentTypes": null, "id": 2524, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2519, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "1825:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2522, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1842:1:11", "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": 2521, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1834:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2520, "name": "address", "nodeType": "ElementaryTypeName", "src": "1834:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2523, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1834:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1825:19:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2525, "nodeType": "ExpressionStatement", "src": "1825:19:11" } ] }, "documentation": { "id": 2506, "nodeType": "StructuredDocumentation", "src": "1370:331:11", "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": 2527, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2509, "modifierName": { "argumentTypes": null, "id": 2508, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "1750:9:11", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1750:9:11" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2507, "nodeType": "ParameterList", "parameters": [], "src": "1732:2:11" }, "returnParameters": { "id": 2510, "nodeType": "ParameterList", "parameters": [], "src": "1760:0:11" }, "scope": 2556, "src": "1706:145:11", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 2554, "nodeType": "Block", "src": "2070:170:11", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 2541, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 2536, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2530, "src": "2088:8:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 2539, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2108:1:11", "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": 2538, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2100:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 2537, "name": "address", "nodeType": "ElementaryTypeName", "src": "2100:7:11", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 2540, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2100:10:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2088:22:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 2542, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2112:40:11", "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": 2535, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2080:7:11", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 2543, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2080:73:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2544, "nodeType": "ExpressionStatement", "src": "2080:73:11" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 2546, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "2189:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 2547, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2530, "src": "2197:8:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 2545, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2461, "src": "2168:20:11", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 2548, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2168:38:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 2549, "nodeType": "EmitStatement", "src": "2163:43:11" }, { "expression": { "argumentTypes": null, "id": 2552, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 2550, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2455, "src": "2216:6:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 2551, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2530, "src": "2225:8:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2216:17:11", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 2553, "nodeType": "ExpressionStatement", "src": "2216:17:11" } ] }, "documentation": { "id": 2528, "nodeType": "StructuredDocumentation", "src": "1857:138:11", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 2555, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 2533, "modifierName": { "argumentTypes": null, "id": 2532, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 2505, "src": "2060:9:11", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2060:9:11" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 2531, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 2530, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 2555, "src": "2027:16:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 2529, "name": "address", "nodeType": "ElementaryTypeName", "src": "2027:7:11", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2026:18:11" }, "returnParameters": { "id": 2534, "nodeType": "ParameterList", "parameters": [], "src": "2070:0:11" }, "scope": 2556, "src": "2000:240:11", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 2557, "src": "590:1652:11" } ], "src": "33:2210:11" }, "compiler": { "name": "solc", "version": "0.6.12+commit.27d51765.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.2", "updatedAt": "2021-03-04T12:24:19.868Z", "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 } }