{ "contractName": "OwnableUpgradeSafe", "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\":\"0.6.11+commit.5ef660b1\"},\"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\":{\"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 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"source": "pragma solidity ^0.6.0;\n\nimport \"../GSN/Context.sol\";\nimport \"../Initializable.sol\";\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\ncontract OwnableUpgradeSafe is Initializable, ContextUpgradeSafe {\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\n function __Ownable_init() internal initializer {\n __Context_init_unchained();\n __Ownable_init_unchained();\n }\n\n function __Ownable_init_unchained() internal initializer {\n\n\n address msgSender = _msgSender();\n _owner = msgSender;\n emit OwnershipTransferred(address(0), msgSender);\n\n }\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 uint256[49] private __gap;\n}\n", "sourcePath": "@openzeppelin/contracts-ethereum-package/contracts/access/Ownable.sol", "ast": { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/access/Ownable.sol", "exportedSymbols": { "OwnableUpgradeSafe": [ 37427 ] }, "id": 37428, "license": null, "nodeType": "SourceUnit", "nodes": [ { "id": 37299, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:109" }, { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 37300, "nodeType": "ImportDirective", "scope": 37428, "sourceUnit": 37223, "src": "25:28:109", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/Initializable.sol", "file": "../Initializable.sol", "id": 37301, "nodeType": "ImportDirective", "scope": 37428, "sourceUnit": 37298, "src": "54:30:109", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 37303, "name": "Initializable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 37297, "src": "611:13:109", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$37297", "typeString": "contract Initializable" } }, "id": 37304, "nodeType": "InheritanceSpecifier", "src": "611:13:109" }, { "arguments": null, "baseName": { "contractScope": null, "id": 37305, "name": "ContextUpgradeSafe", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 37222, "src": "626:18:109", "typeDescriptions": { "typeIdentifier": "t_contract$_ContextUpgradeSafe_$37222", "typeString": "contract ContextUpgradeSafe" } }, "id": 37306, "nodeType": "InheritanceSpecifier", "src": "626:18:109" } ], "contractDependencies": [ 37222, 37297 ], "contractKind": "contract", "documentation": { "id": 37302, "nodeType": "StructuredDocumentation", "src": "85:494:109", "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": 37427, "linearizedBaseContracts": [ 37427, 37222, 37297 ], "name": "OwnableUpgradeSafe", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 37308, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37427, "src": "651:22:109", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37307, "name": "address", "nodeType": "ElementaryTypeName", "src": "651:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 37314, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 37313, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 37310, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37314, "src": "707:29:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37309, "name": "address", "nodeType": "ElementaryTypeName", "src": "707:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 37312, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37314, "src": "738:24:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37311, "name": "address", "nodeType": "ElementaryTypeName", "src": "738:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "706:57:109" }, "src": "680:84:109" }, { "body": { "id": 37326, "nodeType": "Block", "src": "914:79:109", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37320, "name": "__Context_init_unchained", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37197, "src": "924:24:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 37321, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "924:26:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": 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37333, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37349, "src": "1068:17:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37332, "name": "address", "nodeType": "ElementaryTypeName", "src": "1068:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 37336, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37334, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37206, "src": "1088:10:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 37335, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1088:12:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "1068:32:109" }, { "expression": { "argumentTypes": null, "id": 37339, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 37337, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1110:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 37338, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37333, "src": "1119:9:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1110:18:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 37340, "nodeType": "ExpressionStatement", "src": "1110:18:109" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 37344, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1172:1:109", "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": 37343, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1164:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37342, "name": "address", "nodeType": "ElementaryTypeName", "src": "1164:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37345, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1164:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 37346, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37333, "src": "1176:9:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 37341, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37314, "src": "1143:20:109", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 37347, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1143:43:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37348, "nodeType": "EmitStatement", "src": "1138:48:109" } ] }, "documentation": null, "id": 37350, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37330, "modifierName": { "argumentTypes": null, "id": 37329, "name": "initializer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37270, "src": "1044:11:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1044:11:109" } ], "name": "__Ownable_init_unchained", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37328, "nodeType": "ParameterList", "parameters": [], "src": "1032:2:109" }, "returnParameters": { "id": 37331, "nodeType": "ParameterList", "parameters": [], "src": "1056:0:109" }, "scope": 37427, "src": "999:195:109", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 37358, "nodeType": "Block", "src": "1318:30:109", "statements": [ { "expression": { "argumentTypes": null, "id": 37356, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1335:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 37355, "id": 37357, "nodeType": "Return", "src": "1328:13:109" } ] }, "documentation": { "id": 37351, "nodeType": "StructuredDocumentation", "src": "1201:65:109", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 37359, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37352, "nodeType": "ParameterList", "parameters": [], "src": "1285:2:109" }, "returnParameters": { "id": 37355, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 37354, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37359, "src": "1309:7:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37353, "name": "address", "nodeType": "ElementaryTypeName", "src": "1309:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1308:9:109" }, "scope": 37427, "src": "1271:77:109", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 37371, "nodeType": "Block", "src": "1457:95:109", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 37366, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 37363, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1475:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37364, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37206, "src": "1485:10:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 37365, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1485:12:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1475:22:109", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 37367, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1499:34:109", "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": 37362, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1467:7:109", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 37368, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1467:67:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37369, "nodeType": "ExpressionStatement", "src": "1467:67:109" }, { "id": 37370, "nodeType": "PlaceholderStatement", "src": "1544:1:109" } ] }, "documentation": { "id": 37360, "nodeType": "StructuredDocumentation", "src": "1354:77:109", "text": " @dev Throws if called by any account other than the owner." }, "id": 37372, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 37361, "nodeType": "ParameterList", "parameters": [], "src": "1454:2:109" }, "src": "1436:116:109", "virtual": false, "visibility": "internal" }, { "body": { "id": 37393, "nodeType": "Block", "src": "1948:91:109", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 37379, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1984:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 37382, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2000:1:109", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 37381, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1992:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37380, "name": "address", "nodeType": "ElementaryTypeName", "src": "1992:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37383, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1992:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 37378, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37314, "src": "1963:20:109", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 37384, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1963:40:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37385, "nodeType": "EmitStatement", "src": "1958:45:109" }, { "expression": { "argumentTypes": null, "id": 37391, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 37386, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "2013:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 37389, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2030:1:109", "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": 37388, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2022:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37387, "name": "address", "nodeType": "ElementaryTypeName", "src": "2022:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37390, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2022:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2013:19:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 37392, "nodeType": "ExpressionStatement", "src": "2013:19:109" } ] }, "documentation": { "id": 37373, "nodeType": "StructuredDocumentation", "src": "1558:331:109", "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": 37394, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37376, "modifierName": { "argumentTypes": null, "id": 37375, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37372, "src": "1938:9:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1938:9:109" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37374, "nodeType": "ParameterList", "parameters": [], "src": "1920:2:109" }, "returnParameters": { "id": 37377, "nodeType": "ParameterList", "parameters": [], "src": "1948:0:109" }, "scope": 37427, "src": "1894:145:109", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "body": { "id": 37421, "nodeType": "Block", "src": "2258:170:109", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 37408, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 37403, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37397, "src": "2276:8:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 37406, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2296:1:109", "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": 37405, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2288:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37404, "name": "address", "nodeType": "ElementaryTypeName", "src": "2288:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37407, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2288:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2276:22:109", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 37409, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2300:40:109", "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": 37402, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2268:7:109", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 37410, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2268:73:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37411, "nodeType": "ExpressionStatement", "src": "2268:73:109" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 37413, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "2377:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 37414, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37397, "src": "2385:8:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 37412, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37314, "src": "2356:20:109", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 37415, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2356:38:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37416, "nodeType": "EmitStatement", "src": "2351:43:109" }, { "expression": { "argumentTypes": null, "id": 37419, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 37417, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "2404:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 37418, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37397, "src": "2413:8:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2404:17:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 37420, "nodeType": "ExpressionStatement", "src": "2404:17:109" } ] }, "documentation": { "id": 37395, "nodeType": "StructuredDocumentation", "src": "2045:138:109", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 37422, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37400, "modifierName": { "argumentTypes": null, "id": 37399, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37372, "src": "2248:9:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2248:9:109" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37398, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 37397, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37422, "src": "2215:16:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37396, "name": "address", "nodeType": "ElementaryTypeName", "src": "2215:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2214:18:109" }, "returnParameters": { "id": 37401, "nodeType": "ParameterList", "parameters": [], "src": "2258:0:109" }, "scope": 37427, "src": "2188:240:109", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "constant": false, "id": 37426, "mutability": "mutable", "name": "__gap", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37427, "src": "2434:25:109", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$49_storage", "typeString": "uint256[49]" }, "typeName": { "baseType": { "id": 37423, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2434:7:109", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 37425, "length": { "argumentTypes": null, "hexValue": "3439", "id": 37424, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2442:2:109", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_49_by_1", "typeString": "int_const 49" }, "value": "49" }, "nodeType": "ArrayTypeName", "src": "2434:11:109", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$49_storage_ptr", "typeString": "uint256[49]" } }, "value": null, "visibility": "private" } ], "scope": 37428, "src": "580:1882:109" } ], "src": "0:2463:109" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/access/Ownable.sol", "exportedSymbols": { "OwnableUpgradeSafe": [ 37427 ] }, "id": 37428, "license": null, "nodeType": "SourceUnit", "nodes": [ { "id": 37299, "literals": [ "solidity", "^", "0.6", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:109" }, { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 37300, "nodeType": "ImportDirective", "scope": 37428, "sourceUnit": 37223, "src": "25:28:109", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/Initializable.sol", "file": "../Initializable.sol", "id": 37301, "nodeType": "ImportDirective", "scope": 37428, "sourceUnit": 37298, "src": "54:30:109", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 37303, "name": "Initializable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 37297, "src": "611:13:109", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$37297", "typeString": "contract Initializable" } }, "id": 37304, "nodeType": "InheritanceSpecifier", "src": "611:13:109" }, { "arguments": null, "baseName": { "contractScope": null, "id": 37305, "name": "ContextUpgradeSafe", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 37222, "src": "626:18:109", "typeDescriptions": { "typeIdentifier": "t_contract$_ContextUpgradeSafe_$37222", "typeString": "contract ContextUpgradeSafe" } }, "id": 37306, "nodeType": "InheritanceSpecifier", "src": "626:18:109" } ], "contractDependencies": [ 37222, 37297 ], "contractKind": "contract", "documentation": { "id": 37302, "nodeType": "StructuredDocumentation", "src": "85:494:109", "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": 37427, "linearizedBaseContracts": [ 37427, 37222, 37297 ], "name": "OwnableUpgradeSafe", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 37308, "mutability": "mutable", "name": "_owner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37427, "src": "651:22:109", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37307, "name": "address", "nodeType": "ElementaryTypeName", "src": "651:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 37314, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 37313, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 37310, "indexed": true, "mutability": "mutable", "name": "previousOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37314, "src": "707:29:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37309, "name": "address", "nodeType": "ElementaryTypeName", "src": "707:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 37312, "indexed": true, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37314, "src": "738:24:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37311, "name": "address", "nodeType": "ElementaryTypeName", "src": "738:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "706:57:109" }, "src": "680:84:109" }, { "body": { "id": 37326, "nodeType": "Block", "src": "914:79:109", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37320, "name": "__Context_init_unchained", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37197, "src": "924:24:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 37321, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "924:26:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37322, "nodeType": "ExpressionStatement", "src": "924:26:109" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37323, "name": "__Ownable_init_unchained", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37350, "src": "960:24:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 37324, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "960:26:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37325, "nodeType": "ExpressionStatement", "src": "960:26:109" } ] }, "documentation": { "id": 37315, "nodeType": "StructuredDocumentation", "src": "770:91:109", "text": " @dev Initializes the contract setting the deployer as the initial owner." }, "id": 37327, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37318, "modifierName": { "argumentTypes": null, "id": 37317, "name": "initializer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37270, "src": "902:11:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "902:11:109" } ], "name": "__Ownable_init", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37316, "nodeType": "ParameterList", "parameters": [], "src": "890:2:109" }, "returnParameters": { "id": 37319, "nodeType": "ParameterList", "parameters": [], "src": "914:0:109" }, "scope": 37427, "src": "867:126:109", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 37349, "nodeType": "Block", "src": "1056:138:109", "statements": [ { "assignments": [ 37333 ], "declarations": [ { "constant": false, "id": 37333, "mutability": "mutable", "name": "msgSender", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37349, "src": "1068:17:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37332, "name": "address", "nodeType": "ElementaryTypeName", "src": "1068:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 37336, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37334, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37206, "src": "1088:10:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 37335, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1088:12:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "1068:32:109" }, { "expression": { "argumentTypes": null, "id": 37339, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 37337, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1110:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 37338, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37333, "src": "1119:9:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1110:18:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 37340, "nodeType": "ExpressionStatement", "src": "1110:18:109" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 37344, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1172:1:109", "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": 37343, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1164:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37342, "name": "address", "nodeType": "ElementaryTypeName", "src": "1164:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37345, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1164:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 37346, "name": "msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37333, "src": "1176:9:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 37341, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37314, "src": "1143:20:109", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 37347, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1143:43:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37348, "nodeType": "EmitStatement", "src": "1138:48:109" } ] }, "documentation": null, "id": 37350, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37330, "modifierName": { "argumentTypes": null, "id": 37329, "name": "initializer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37270, "src": "1044:11:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1044:11:109" } ], "name": "__Ownable_init_unchained", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37328, "nodeType": "ParameterList", "parameters": [], "src": "1032:2:109" }, "returnParameters": { "id": 37331, "nodeType": "ParameterList", "parameters": [], "src": "1056:0:109" }, "scope": 37427, "src": "999:195:109", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 37358, "nodeType": "Block", "src": "1318:30:109", "statements": [ { "expression": { "argumentTypes": null, "id": 37356, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1335:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 37355, "id": 37357, "nodeType": "Return", "src": "1328:13:109" } ] }, "documentation": { "id": 37351, "nodeType": "StructuredDocumentation", "src": "1201:65:109", "text": " @dev Returns the address of the current owner." }, "functionSelector": "8da5cb5b", "id": 37359, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37352, "nodeType": "ParameterList", "parameters": [], "src": "1285:2:109" }, "returnParameters": { "id": 37355, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 37354, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37359, "src": "1309:7:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37353, "name": "address", "nodeType": "ElementaryTypeName", "src": "1309:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1308:9:109" }, "scope": 37427, "src": "1271:77:109", "stateMutability": "view", "virtual": false, "visibility": "public" }, { "body": { "id": 37371, "nodeType": "Block", "src": "1457:95:109", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 37366, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 37363, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1475:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 37364, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37206, "src": "1485:10:109", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 37365, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1485:12:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1475:22:109", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 37367, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1499:34:109", "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": 37362, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "1467:7:109", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 37368, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1467:67:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37369, "nodeType": "ExpressionStatement", "src": "1467:67:109" }, { "id": 37370, "nodeType": "PlaceholderStatement", "src": "1544:1:109" } ] }, "documentation": { "id": 37360, "nodeType": "StructuredDocumentation", "src": "1354:77:109", "text": " @dev Throws if called by any account other than the owner." }, "id": 37372, "name": "onlyOwner", "nodeType": "ModifierDefinition", "overrides": null, "parameters": { "id": 37361, "nodeType": "ParameterList", "parameters": [], "src": "1454:2:109" }, "src": "1436:116:109", "virtual": false, "visibility": "internal" }, { "body": { "id": 37393, "nodeType": "Block", "src": "1948:91:109", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 37379, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "1984:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 37382, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2000:1:109", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 37381, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1992:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37380, "name": "address", "nodeType": "ElementaryTypeName", "src": "1992:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37383, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1992:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 37378, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37314, "src": "1963:20:109", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 37384, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1963:40:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37385, "nodeType": "EmitStatement", "src": 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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": 37394, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37376, "modifierName": { "argumentTypes": null, "id": 37375, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37372, "src": "1938:9:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1938:9:109" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37374, "nodeType": "ParameterList", "parameters": [], "src": "1920:2:109" }, "returnParameters": { "id": 37377, "nodeType": "ParameterList", "parameters": [], "src": "1948:0:109" }, "scope": 37427, "src": "1894:145:109", 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"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": 37405, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2288:7:109", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 37404, "name": "address", "nodeType": "ElementaryTypeName", "src": "2288:7:109", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 37407, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2288:10:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2276:22:109", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 37409, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2300:40:109", "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": 37402, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2268:7:109", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 37410, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2268:73:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37411, "nodeType": "ExpressionStatement", "src": "2268:73:109" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 37413, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "2377:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 37414, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37397, "src": "2385:8:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 37412, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37314, "src": "2356:20:109", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 37415, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2356:38:109", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 37416, "nodeType": "EmitStatement", "src": "2351:43:109" }, { "expression": { "argumentTypes": null, "id": 37419, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 37417, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37308, "src": "2404:6:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 37418, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37397, "src": "2413:8:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2404:17:109", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 37420, "nodeType": "ExpressionStatement", "src": "2404:17:109" } ] }, "documentation": { "id": 37395, "nodeType": "StructuredDocumentation", "src": "2045:138:109", "text": " @dev Transfers ownership of the contract to a new account (`newOwner`).\n Can only be called by the current owner." }, "functionSelector": "f2fde38b", "id": 37422, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 37400, "modifierName": { "argumentTypes": null, "id": 37399, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 37372, "src": "2248:9:109", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2248:9:109" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 37398, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 37397, "mutability": "mutable", "name": "newOwner", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37422, "src": "2215:16:109", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 37396, "name": "address", "nodeType": "ElementaryTypeName", "src": "2215:7:109", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2214:18:109" }, "returnParameters": { "id": 37401, "nodeType": "ParameterList", "parameters": [], "src": "2258:0:109" }, "scope": 37427, "src": "2188:240:109", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" }, { "constant": false, "id": 37426, "mutability": "mutable", "name": "__gap", "nodeType": "VariableDeclaration", "overrides": null, "scope": 37427, "src": "2434:25:109", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$49_storage", "typeString": "uint256[49]" }, "typeName": { "baseType": { "id": 37423, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2434:7:109", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 37425, "length": { "argumentTypes": null, "hexValue": "3439", "id": 37424, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2442:2:109", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_49_by_1", "typeString": "int_const 49" }, "value": "49" }, "nodeType": "ArrayTypeName", "src": "2434:11:109", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$49_storage_ptr", "typeString": "uint256[49]" } }, "value": null, "visibility": "private" } ], "scope": 37428, "src": "580:1882:109" } ], "src": "0:2463:109" }, "compiler": { "name": "solc", "version": "0.6.11+commit.5ef660b1.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.2.0", "updatedAt": "2020-08-12T09:47:18.518Z", "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": { "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 } }