{ "contractName": "Ownable", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isOwner", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.12+commit.7709ece9\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"constant\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"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. * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be applied to your functions to restrict their use to the owner.\",\"methods\":{\"constructor\":{\"details\":\"Initializes the contract setting the deployer as the initial owner.\"},\"isOwner()\":{\"details\":\"Returns true if the caller is the current owner.\"},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/ownership/Ownable.sol\":\"Ownable\"},\"evmVersion\":\"petersburg\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/GSN/Context.sol\":{\"keccak256\":\"0x90a3995645af7562d84b9d69363ffa5ae7217714ab61e951bf7bc450f40e4061\",\"urls\":[\"bzz-raw://216ef9d6b614db4eb46970b4e84903f2534a45572dd30a79f0041f1a5830f436\",\"dweb:/ipfs/QmNPrJ4MWKUAWzKXpUqeyKRUfosaoANZAqXgvepdrCwZAG\"]},\"@openzeppelin/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0xecd8ab29d9a5771c3964d0cd1788c4a5098a0081b20fb275da850a22b1c59806\",\"urls\":[\"bzz-raw://696a75bc2c55407ce8251ccc7d19ecb1b7b2be1796a160a6524312babcc7e3d4\",\"dweb:/ipfs/QmQViKEp3y99h9uhRssE29TmjBKRnFMaoz3eJZ4eggggg2\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.5.0;\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 * 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 _owner = _msgSender();\n emit OwnershipTransferred(address(0), _owner);\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(isOwner(), \"Ownable: caller is not the owner\");\n _;\n }\n\n /**\n * @dev Returns true if the caller is the current owner.\n */\n function isOwner() public view returns (bool) {\n return _msgSender() == _owner;\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 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 onlyOwner {\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n */\n function _transferOwnership(address newOwner) internal {\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/ownership/Ownable.sol", "ast": { "absolutePath": "@openzeppelin/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 10968 ] }, "id": 10969, "nodeType": "SourceUnit", "nodes": [ { "id": 10856, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:34" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 10857, "nodeType": "ImportDirective", "scope": 10969, "sourceUnit": 10480, "src": "25:28:34", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10858, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10479, "src": "435:7:34", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$10479", "typeString": "contract Context" } }, "id": 10859, "nodeType": "InheritanceSpecifier", "src": "435:7:34" } ], "contractDependencies": [ 10479 ], "contractKind": "contract", "documentation": "@dev Contract module which provides a basic access control mechanism, where\nthere is an account (an owner) that can be granted exclusive access to\nspecific functions.\n * This module is used through inheritance. It will make available the modifier\n`onlyOwner`, which can be applied to your functions to restrict their use to\nthe owner.", "fullyImplemented": true, "id": 10968, "linearizedBaseContracts": [ 10968, 10479 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 10861, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 10968, "src": "449:22:34", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10860, "name": "address", "nodeType": "ElementaryTypeName", "src": "449:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 10867, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 10866, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10863, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 10867, "src": "505:29:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10862, "name": "address", "nodeType": "ElementaryTypeName", "src": "505:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10865, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 10867, "src": "536:24:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10864, "name": "address", "nodeType": "ElementaryTypeName", "src": "536:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "504:57:34" }, "src": "478:84:34" }, { "body": { "id": 10882, "nodeType": "Block", "src": "688:93:34", "statements": [ { "expression": { "argumentTypes": null, "id": 10873, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10870, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "698:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10871, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10467, "src": "707:10:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10872, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "707:12:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "698:21:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10874, "nodeType": "ExpressionStatement", "src": "698:21:34" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10877, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "763:1:34", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 10876, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "755:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10878, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "755:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 10879, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "767:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10875, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10867, "src": "734:20:34", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10880, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "734:40:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10881, "nodeType": "EmitStatement", "src": "729:45:34" } ] }, "documentation": "@dev Initializes the contract setting the deployer as the initial owner.", "id": 10883, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 10868, "nodeType": "ParameterList", "parameters": [], "src": "676:2:34" }, "returnParameters": { "id": 10869, "nodeType": "ParameterList", "parameters": [], "src": "688:0:34" }, "scope": 10968, "src": "664:117:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 10890, "nodeType": "Block", "src": "904:30:34", "statements": [ { "expression": { "argumentTypes": null, "id": 10888, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "921:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 10887, "id": 10889, "nodeType": "Return", "src": "914:13:34" } ] }, "documentation": "@dev Returns the address of the current owner.", "id": 10891, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 10884, "nodeType": "ParameterList", "parameters": [], "src": "871:2:34" }, "returnParameters": { "id": 10887, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10886, "name": "", "nodeType": "VariableDeclaration", "scope": 10891, "src": "895:7:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10885, "name": "address", "nodeType": "ElementaryTypeName", "src": "895:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "894:9:34" }, "scope": 10968, "src": "857:77:34", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 10900, "nodeType": "Block", "src": "1043:82:34", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10894, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10912, "src": "1061:7:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 10895, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1061:9:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 10896, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1072:34:34", "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": 10893, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 11488, 11489 ], "referencedDeclaration": 11489, "src": "1053:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10897, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1053:54:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10898, "nodeType": "ExpressionStatement", "src": "1053:54:34" }, { "id": 10899, "nodeType": "PlaceholderStatement", "src": "1117:1:34" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 10901, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 10892, "nodeType": "ParameterList", "parameters": [], "src": "1040:2:34" }, "src": "1022:103:34", "visibility": "internal" }, { "body": { "id": 10911, "nodeType": "Block", "src": "1254:46:34", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10909, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10906, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10467, "src": "1271:10:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10907, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1271:12:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 10908, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "1287:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1271:22:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 10905, "id": 10910, "nodeType": "Return", "src": "1264:29:34" } ] }, "documentation": "@dev Returns true if the caller is the current owner.", "id": 10912, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 10902, "nodeType": "ParameterList", "parameters": [], "src": "1224:2:34" }, "returnParameters": { "id": 10905, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10904, "name": "", "nodeType": "VariableDeclaration", "scope": 10912, "src": "1248:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 10903, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1248:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1247:6:34" }, "scope": 10968, "src": "1208:92:34", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 10930, "nodeType": "Block", "src": "1688:91:34", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10918, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "1724:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10920, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1740:1:34", "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": 10919, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1732:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10921, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1732:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 10917, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10867, "src": "1703:20:34", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10922, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1703:40:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10923, "nodeType": "EmitStatement", "src": "1698:45:34" }, { "expression": { "argumentTypes": null, "id": 10928, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10924, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "1753:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10926, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1770:1:34", "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": 10925, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1762:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10927, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1762:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1753:19:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10929, "nodeType": "ExpressionStatement", "src": "1753:19:34" } ] }, "documentation": "@dev Leaves the contract without owner. It will not be possible to call\n`onlyOwner` functions anymore. Can only be called by the current owner.\n * NOTE: Renouncing ownership will leave the contract without an owner,\nthereby removing any functionality that is only available to the owner.", "id": 10931, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10915, "modifierName": { "argumentTypes": null, "id": 10914, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10901, "src": "1678:9:34", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1678:9:34" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 10913, "nodeType": "ParameterList", "parameters": [], "src": "1668:2:34" }, "returnParameters": { "id": 10916, "nodeType": "ParameterList", "parameters": [], "src": "1688:0:34" }, "scope": 10968, "src": "1642:137:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 10942, "nodeType": "Block", "src": "1990:45:34", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10939, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10933, "src": "2019:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10938, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10967, "src": "2000:18:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 10940, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2000:28:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10941, "nodeType": "ExpressionStatement", "src": "2000:28:34" } ] }, "documentation": "@dev Transfers ownership of the contract to a new account (`newOwner`).\nCan only be called by the current owner.", "id": 10943, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10936, "modifierName": { "argumentTypes": null, "id": 10935, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10901, "src": "1980:9:34", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1980:9:34" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 10934, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10933, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 10943, "src": "1955:16:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10932, "name": "address", "nodeType": "ElementaryTypeName", "src": "1955:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1954:18:34" }, "returnParameters": { "id": 10937, "nodeType": "ParameterList", "parameters": [], "src": "1990:0:34" }, "scope": 10968, "src": "1928:107:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 10966, "nodeType": "Block", "src": "2191:170:34", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10953, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10949, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10945, "src": "2209:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10951, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2229:1:34", "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": 10950, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2221:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10952, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2221:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2209:22:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 10954, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2233:40:34", "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": 10948, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 11488, 11489 ], "referencedDeclaration": 11489, "src": "2201:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10955, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2201:73:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10956, "nodeType": "ExpressionStatement", "src": "2201:73:34" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10958, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "2310:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 10959, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10945, "src": "2318:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10957, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10867, "src": "2289:20:34", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10960, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2289:38:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10961, "nodeType": "EmitStatement", "src": "2284:43:34" }, { "expression": { "argumentTypes": null, "id": 10964, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10962, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "2337:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10963, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10945, "src": "2346:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2337:17:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10965, "nodeType": "ExpressionStatement", "src": "2337:17:34" } ] }, "documentation": "@dev Transfers ownership of the contract to a new account (`newOwner`).", "id": 10967, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 10946, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10945, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 10967, "src": "2164:16:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10944, "name": "address", "nodeType": "ElementaryTypeName", "src": "2164:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2163:18:34" }, "returnParameters": { "id": 10947, "nodeType": "ParameterList", "parameters": [], "src": "2191:0:34" }, "scope": 10968, "src": "2136:225:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 10969, "src": "415:1948:34" } ], "src": "0:2364:34" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 10968 ] }, "id": 10969, "nodeType": "SourceUnit", "nodes": [ { "id": 10856, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:34" }, { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 10857, "nodeType": "ImportDirective", "scope": 10969, "sourceUnit": 10480, "src": "25:28:34", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 10858, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 10479, "src": "435:7:34", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$10479", "typeString": "contract Context" } }, "id": 10859, "nodeType": "InheritanceSpecifier", "src": "435:7:34" } ], "contractDependencies": [ 10479 ], "contractKind": "contract", "documentation": "@dev Contract module which provides a basic access control mechanism, where\nthere is an account (an owner) that can be granted exclusive access to\nspecific functions.\n * This module is used through inheritance. It will make available the modifier\n`onlyOwner`, which can be applied to your functions to restrict their use to\nthe owner.", "fullyImplemented": true, "id": 10968, "linearizedBaseContracts": [ 10968, 10479 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 10861, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 10968, "src": "449:22:34", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10860, "name": "address", "nodeType": "ElementaryTypeName", "src": "449:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 10867, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 10866, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10863, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 10867, "src": "505:29:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10862, "name": "address", "nodeType": "ElementaryTypeName", "src": "505:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 10865, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 10867, "src": "536:24:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10864, "name": "address", "nodeType": "ElementaryTypeName", "src": "536:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "504:57:34" }, "src": "478:84:34" }, { "body": { "id": 10882, "nodeType": "Block", "src": "688:93:34", "statements": [ { "expression": { "argumentTypes": null, "id": 10873, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10870, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "698:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10871, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10467, "src": "707:10:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10872, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "707:12:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "698:21:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10874, "nodeType": "ExpressionStatement", "src": "698:21:34" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10877, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "763:1:34", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 10876, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "755:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10878, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "755:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 10879, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "767:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10875, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10867, "src": "734:20:34", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10880, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "734:40:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10881, "nodeType": "EmitStatement", "src": "729:45:34" } ] }, "documentation": "@dev Initializes the contract setting the deployer as the initial owner.", "id": 10883, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 10868, "nodeType": "ParameterList", "parameters": [], "src": "676:2:34" }, "returnParameters": { "id": 10869, "nodeType": "ParameterList", "parameters": [], "src": "688:0:34" }, "scope": 10968, "src": "664:117:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 10890, "nodeType": "Block", "src": "904:30:34", "statements": [ { "expression": { "argumentTypes": null, "id": 10888, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "921:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 10887, "id": 10889, "nodeType": "Return", "src": "914:13:34" } ] }, "documentation": "@dev Returns the address of the current owner.", "id": 10891, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 10884, "nodeType": "ParameterList", "parameters": [], "src": "871:2:34" }, "returnParameters": { "id": 10887, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10886, "name": "", "nodeType": "VariableDeclaration", "scope": 10891, "src": "895:7:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10885, "name": "address", "nodeType": "ElementaryTypeName", "src": "895:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "894:9:34" }, "scope": 10968, "src": "857:77:34", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 10900, "nodeType": "Block", "src": "1043:82:34", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10894, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10912, "src": "1061:7:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 10895, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1061:9:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 10896, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1072:34:34", "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": 10893, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 11488, 11489 ], "referencedDeclaration": 11489, "src": "1053:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10897, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1053:54:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10898, "nodeType": "ExpressionStatement", "src": "1053:54:34" }, { "id": 10899, "nodeType": "PlaceholderStatement", "src": "1117:1:34" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 10901, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 10892, "nodeType": "ParameterList", "parameters": [], "src": "1040:2:34" }, "src": "1022:103:34", "visibility": "internal" }, { "body": { "id": 10911, "nodeType": "Block", "src": "1254:46:34", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10909, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 10906, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10467, "src": "1271:10:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 10907, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1271:12:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 10908, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "1287:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1271:22:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 10905, "id": 10910, "nodeType": "Return", "src": "1264:29:34" } ] }, "documentation": "@dev Returns true if the caller is the current owner.", "id": 10912, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 10902, "nodeType": "ParameterList", "parameters": [], "src": "1224:2:34" }, "returnParameters": { "id": 10905, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10904, "name": "", "nodeType": "VariableDeclaration", "scope": 10912, "src": "1248:4:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 10903, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1248:4:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1247:6:34" }, "scope": 10968, "src": "1208:92:34", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 10930, "nodeType": "Block", "src": "1688:91:34", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10918, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "1724:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10920, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1740:1:34", "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": 10919, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1732:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10921, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1732:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 10917, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10867, "src": "1703:20:34", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10922, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1703:40:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10923, "nodeType": "EmitStatement", "src": "1698:45:34" }, { "expression": { "argumentTypes": null, "id": 10928, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10924, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "1753:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10926, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1770:1:34", "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": 10925, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1762:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10927, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1762:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1753:19:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10929, "nodeType": "ExpressionStatement", "src": "1753:19:34" } ] }, "documentation": "@dev Leaves the contract without owner. It will not be possible to call\n`onlyOwner` functions anymore. Can only be called by the current owner.\n * NOTE: Renouncing ownership will leave the contract without an owner,\nthereby removing any functionality that is only available to the owner.", "id": 10931, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10915, "modifierName": { "argumentTypes": null, "id": 10914, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10901, "src": "1678:9:34", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1678:9:34" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 10913, "nodeType": "ParameterList", "parameters": [], "src": "1668:2:34" }, "returnParameters": { "id": 10916, "nodeType": "ParameterList", "parameters": [], "src": "1688:0:34" }, "scope": 10968, "src": "1642:137:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 10942, "nodeType": "Block", "src": "1990:45:34", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10939, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10933, "src": "2019:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10938, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10967, "src": "2000:18:34", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 10940, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2000:28:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10941, "nodeType": "ExpressionStatement", "src": "2000:28:34" } ] }, "documentation": "@dev Transfers ownership of the contract to a new account (`newOwner`).\nCan only be called by the current owner.", "id": 10943, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 10936, "modifierName": { "argumentTypes": null, "id": 10935, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10901, "src": "1980:9:34", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1980:9:34" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 10934, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10933, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 10943, "src": "1955:16:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10932, "name": "address", "nodeType": "ElementaryTypeName", "src": "1955:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1954:18:34" }, "returnParameters": { "id": 10937, "nodeType": "ParameterList", "parameters": [], "src": "1990:0:34" }, "scope": 10968, "src": "1928:107:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 10966, "nodeType": "Block", "src": "2191:170:34", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 10953, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 10949, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10945, "src": "2209:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 10951, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2229:1:34", "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": 10950, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2221:7:34", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 10952, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2221:10:34", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2209:22:34", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 10954, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2233:40:34", "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": 10948, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 11488, 11489 ], "referencedDeclaration": 11489, "src": "2201:7:34", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 10955, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2201:73:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10956, "nodeType": "ExpressionStatement", "src": "2201:73:34" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 10958, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "2310:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 10959, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10945, "src": "2318:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 10957, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10867, "src": "2289:20:34", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 10960, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2289:38:34", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 10961, "nodeType": "EmitStatement", "src": "2284:43:34" }, { "expression": { "argumentTypes": null, "id": 10964, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 10962, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10861, "src": "2337:6:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 10963, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 10945, "src": "2346:8:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2337:17:34", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 10965, "nodeType": "ExpressionStatement", "src": "2337:17:34" } ] }, "documentation": "@dev Transfers ownership of the contract to a new account (`newOwner`).", "id": 10967, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 10946, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 10945, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 10967, "src": "2164:16:34", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 10944, "name": "address", "nodeType": "ElementaryTypeName", "src": "2164:7:34", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2163:18:34" }, "returnParameters": { "id": 10947, "nodeType": "ParameterList", "parameters": [], "src": "2191:0:34" }, "scope": 10968, "src": "2136:225:34", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 10969, "src": "415:1948:34" } ], "src": "0:2364:34" }, "compiler": { "name": "solc", "version": "0.5.12+commit.7709ece9.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.0.21", "updatedAt": "2020-04-22T17:31:54.533Z", "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. * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be applied to your functions to restrict their use to the owner.", "methods": { "constructor": { "details": "Initializes the contract setting the deployer as the initial owner." }, "isOwner()": { "details": "Returns true if the caller is the current owner." }, "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } } }, "userdoc": { "methods": {} } }