{ "contractName": "Ownable", "abi": [ { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "name": "previousOwner", "type": "address" }, { "indexed": true, "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isOwner", "outputs": [ { "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "bytecode": "0x", "deployedBytecode": "0x", "sourceMap": "", "deployedSourceMap": "", "source": "pragma solidity ^0.4.24;\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user permissions\".\n */\ncontract Ownable {\n address private _owner;\n\n event OwnershipTransferred(\n address indexed previousOwner,\n address indexed newOwner\n );\n\n /**\n * @dev The Ownable constructor sets the original `owner` of the contract to the sender\n * account.\n */\n constructor() internal {\n _owner = msg.sender;\n emit OwnershipTransferred(address(0), _owner);\n }\n\n /**\n * @return the address of the 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());\n _;\n }\n\n /**\n * @return true if `msg.sender` is the owner of the contract.\n */\n function isOwner() public view returns(bool) {\n return msg.sender == _owner;\n }\n\n /**\n * @dev Allows the current owner to relinquish control of the contract.\n * @notice Renouncing to ownership will leave the contract without an owner.\n * It will not be possible to call the functions with the `onlyOwner`\n * modifier anymore.\n */\n function renounceOwnership() public onlyOwner {\n emit OwnershipTransferred(_owner, address(0));\n _owner = address(0);\n }\n\n /**\n * @dev Allows the current owner to transfer control of the contract to a newOwner.\n * @param newOwner The address to transfer ownership to.\n */\n function transferOwnership(address newOwner) public onlyOwner {\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers control of the contract to a newOwner.\n * @param newOwner The address to transfer ownership to.\n */\n function _transferOwnership(address newOwner) internal {\n require(newOwner != address(0));\n emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n}\n", "sourcePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "ast": { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 4823 ] }, "id": 4824, "nodeType": "SourceUnit", "nodes": [ { "id": 4716, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:12" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Ownable\n@dev The Ownable contract has an owner address, and provides basic authorization control\nfunctions, this simplifies the implementation of \"user permissions\".", "fullyImplemented": true, "id": 4823, "linearizedBaseContracts": [ 4823 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 4718, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 4823, "src": "237:22:12", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4717, "name": "address", "nodeType": "ElementaryTypeName", "src": "237:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 4724, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 4723, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4720, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 4724, "src": "296:29:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4719, "name": "address", "nodeType": "ElementaryTypeName", "src": "296:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4722, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4724, "src": "331:24:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4721, "name": "address", "nodeType": "ElementaryTypeName", "src": "331:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "290:69:12" }, "src": "264:96:12" }, { "body": { "id": 4739, "nodeType": "Block", "src": "503:81:12", "statements": [ { "expression": { "argumentTypes": null, "id": 4730, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4727, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "509:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4728, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "518:3:12", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4729, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "518:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "509:19:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4731, "nodeType": "ExpressionStatement", "src": "509:19:12" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4734, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "568:1:12", "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": 4733, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "560:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4735, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "560:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4736, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "572:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4732, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "539:20:12", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4737, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "539:40:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4738, "nodeType": "EmitStatement", "src": "534:45:12" } ] }, "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.", "id": 4740, "implemented": true, "isConstructor": true, "isDeclaredConst": false, "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 4725, "nodeType": "ParameterList", "parameters": [], "src": "491:2:12" }, "payable": false, "returnParameters": { "id": 4726, "nodeType": "ParameterList", "parameters": [], "src": "503:0:12" }, "scope": 4823, "src": "480:104:12", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4747, "nodeType": "Block", "src": "685:24:12", "statements": [ { "expression": { "argumentTypes": null, "id": 4745, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "698:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 4744, "id": 4746, "nodeType": "Return", "src": "691:13:12" } ] }, "documentation": "@return the address of the owner.", "id": 4748, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 4741, "nodeType": "ParameterList", "parameters": [], "src": "653:2:12" }, "payable": false, "returnParameters": { "id": 4744, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4743, "name": "", "nodeType": "VariableDeclaration", "scope": 4748, "src": "676:7:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4742, "name": "address", "nodeType": "ElementaryTypeName", "src": "676:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "675:9:12" }, "scope": 4823, "src": "639:70:12", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4756, "nodeType": "Block", "src": "810:36:12", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 4751, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4768, "src": "824:7:12", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 4752, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "824:9:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4750, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4841, 4842 ], "referencedDeclaration": 4841, "src": "816:7:12", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4753, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "816:18:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4754, "nodeType": "ExpressionStatement", "src": "816:18:12" }, { "id": 4755, "nodeType": "PlaceholderStatement", "src": "840:1:12" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 4757, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 4749, "nodeType": "ParameterList", "parameters": [], "src": "807:2:12" }, "src": "789:57:12", "visibility": "internal" }, { "body": { "id": 4767, "nodeType": "Block", "src": "971:38:12", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4765, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4762, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "984:3:12", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4763, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "984:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 4764, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "998:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "984:20:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 4761, "id": 4766, "nodeType": "Return", "src": "977:27:12" } ] }, "documentation": "@return true if `msg.sender` is the owner of the contract.", "id": 4768, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 4758, "nodeType": "ParameterList", "parameters": [], "src": "942:2:12" }, "payable": false, "returnParameters": { "id": 4761, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4760, "name": "", "nodeType": "VariableDeclaration", "scope": 4768, "src": "965:4:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4759, "name": "bool", "nodeType": "ElementaryTypeName", "src": "965:4:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "964:6:12" }, "scope": 4823, "src": "926:83:12", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4786, "nodeType": "Block", "src": "1319:81:12", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4774, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "1351:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4776, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1367:1:12", "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": 4775, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1359:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4777, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1359:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4773, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "1330:20:12", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4778, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1330:40:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4779, "nodeType": "EmitStatement", "src": "1325:45:12" }, { "expression": { "argumentTypes": null, "id": 4784, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4780, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "1376:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4782, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1393:1:12", "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": 4781, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1385:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4783, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1385:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1376:19:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4785, "nodeType": "ExpressionStatement", "src": "1376:19:12" } ] }, "documentation": "@dev Allows the current owner to relinquish control of the contract.\n@notice Renouncing to ownership will leave the contract without an owner.\nIt will not be possible to call the functions with the `onlyOwner`\nmodifier anymore.", "id": 4787, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 4771, "modifierName": { "argumentTypes": null, "id": 4770, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4757, "src": "1309:9:12", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1309:9:12" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4769, "nodeType": "ParameterList", "parameters": [], "src": "1299:2:12" }, "payable": false, "returnParameters": { "id": 4772, "nodeType": "ParameterList", "parameters": [], "src": "1319:0:12" }, "scope": 4823, "src": "1273:127:12", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4798, "nodeType": "Block", "src": "1623:39:12", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4795, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4789, "src": "1648:8:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4794, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4822, "src": "1629:18:12", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 4796, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1629:28:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4797, "nodeType": "ExpressionStatement", "src": "1629:28:12" } ] }, "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 4799, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 4792, "modifierName": { "argumentTypes": null, "id": 4791, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4757, "src": "1613:9:12", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1613:9:12" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4790, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4789, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4799, "src": "1588:16:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4788, "name": "address", "nodeType": "ElementaryTypeName", "src": "1588:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1587:18:12" }, "payable": false, "returnParameters": { "id": 4793, "nodeType": "ParameterList", "parameters": [], "src": "1623:0:12" }, "scope": 4823, "src": "1561:101:12", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4821, "nodeType": "Block", "src": "1851:114:12", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4809, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4805, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "1865:8:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4807, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1885:1:12", "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": 4806, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1877:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4808, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1877:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1865:22:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4804, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4841, 4842 ], "referencedDeclaration": 4841, "src": "1857:7:12", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4810, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1857:31:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4811, "nodeType": "ExpressionStatement", "src": "1857:31:12" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4813, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "1920:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4814, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "1928:8:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4812, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "1899:20:12", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4815, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1899:38:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4816, "nodeType": "EmitStatement", "src": "1894:43:12" }, { "expression": { "argumentTypes": null, "id": 4819, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4817, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "1943:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 4818, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "1952:8:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1943:17:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4820, "nodeType": "ExpressionStatement", "src": "1943:17:12" } ] }, "documentation": "@dev Transfers control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 4822, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4802, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4801, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4822, "src": "1824:16:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4800, "name": "address", "nodeType": "ElementaryTypeName", "src": "1824:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "1823:18:12" }, "payable": false, "returnParameters": { "id": 4803, "nodeType": "ParameterList", "parameters": [], "src": "1851:0:12" }, "scope": 4823, "src": "1796:169:12", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" } ], "scope": 4824, "src": "216:1751:12" } ], "src": "0:1968:12" }, "legacyAST": { "absolutePath": "openzeppelin-solidity/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 4823 ] }, "id": 4824, "nodeType": "SourceUnit", "nodes": [ { "id": 4716, "literals": [ "solidity", "^", "0.4", ".24" ], "nodeType": "PragmaDirective", "src": "0:24:12" }, { "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": "@title Ownable\n@dev The Ownable contract has an owner address, and provides basic authorization control\nfunctions, this simplifies the implementation of \"user permissions\".", "fullyImplemented": true, "id": 4823, "linearizedBaseContracts": [ 4823 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 4718, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 4823, "src": "237:22:12", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4717, "name": "address", "nodeType": "ElementaryTypeName", "src": "237:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 4724, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 4723, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4720, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 4724, "src": "296:29:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4719, "name": "address", "nodeType": "ElementaryTypeName", "src": "296:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4722, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4724, "src": "331:24:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4721, "name": "address", "nodeType": "ElementaryTypeName", "src": "331:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "290:69:12" }, "src": "264:96:12" }, { "body": { "id": 4739, "nodeType": "Block", "src": "503:81:12", "statements": [ { "expression": { "argumentTypes": null, "id": 4730, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4727, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "509:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4728, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "518:3:12", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4729, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "518:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "509:19:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4731, "nodeType": "ExpressionStatement", "src": "509:19:12" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4734, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "568:1:12", "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": 4733, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "560:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4735, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "560:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 4736, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "572:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4732, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "539:20:12", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4737, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "539:40:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4738, "nodeType": "EmitStatement", "src": "534:45:12" } ] }, "documentation": "@dev The Ownable constructor sets the original `owner` of the contract to the sender\naccount.", "id": 4740, "implemented": true, "isConstructor": true, "isDeclaredConst": false, "modifiers": [], "name": "", "nodeType": "FunctionDefinition", "parameters": { "id": 4725, "nodeType": "ParameterList", "parameters": [], "src": "491:2:12" }, "payable": false, "returnParameters": { "id": 4726, "nodeType": "ParameterList", "parameters": [], "src": "503:0:12" }, "scope": 4823, "src": "480:104:12", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4747, "nodeType": "Block", "src": "685:24:12", "statements": [ { "expression": { "argumentTypes": null, "id": 4745, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "698:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 4744, "id": 4746, "nodeType": "Return", "src": "691:13:12" } ] }, "documentation": "@return the address of the owner.", "id": 4748, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 4741, "nodeType": "ParameterList", "parameters": [], "src": "653:2:12" }, "payable": false, "returnParameters": { "id": 4744, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4743, "name": "", "nodeType": "VariableDeclaration", "scope": 4748, "src": "676:7:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4742, "name": "address", "nodeType": "ElementaryTypeName", "src": "676:7:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "675:9:12" }, "scope": 4823, "src": "639:70:12", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4756, "nodeType": "Block", "src": "810:36:12", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 4751, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4768, "src": "824:7:12", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 4752, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "824:9:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" } ], "id": 4750, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 4841, 4842 ], "referencedDeclaration": 4841, "src": "816:7:12", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$", "typeString": "function (bool) pure" } }, "id": 4753, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "816:18:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4754, "nodeType": "ExpressionStatement", "src": "816:18:12" }, { "id": 4755, "nodeType": "PlaceholderStatement", "src": "840:1:12" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 4757, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 4749, "nodeType": "ParameterList", "parameters": [], "src": "807:2:12" }, "src": "789:57:12", "visibility": "internal" }, { "body": { "id": 4767, "nodeType": "Block", "src": "971:38:12", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4765, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4762, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4838, "src": "984:3:12", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4763, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "984:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 4764, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "998:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "984:20:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 4761, "id": 4766, "nodeType": "Return", "src": "977:27:12" } ] }, "documentation": "@return true if `msg.sender` is the owner of the contract.", "id": 4768, "implemented": true, "isConstructor": false, "isDeclaredConst": true, "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 4758, "nodeType": "ParameterList", "parameters": [], "src": "942:2:12" }, "payable": false, "returnParameters": { "id": 4761, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4760, "name": "", "nodeType": "VariableDeclaration", "scope": 4768, "src": "965:4:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4759, "name": "bool", "nodeType": "ElementaryTypeName", "src": "965:4:12", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "964:6:12" }, "scope": 4823, "src": "926:83:12", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4786, "nodeType": "Block", "src": "1319:81:12", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4774, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "1351:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4776, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1367:1:12", "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": 4775, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1359:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4777, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1359:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4773, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "1330:20:12", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 4778, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1330:40:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4779, "nodeType": "EmitStatement", "src": "1325:45:12" }, { "expression": { "argumentTypes": null, "id": 4784, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4780, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4718, "src": "1376:6:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4782, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1393:1:12", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 4781, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1385:7:12", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4783, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1385:10:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1376:19:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4785, "nodeType": "ExpressionStatement", "src": "1376:19:12" } ] }, "documentation": "@dev Allows the current owner to relinquish control of the contract.\n@notice Renouncing to ownership will leave the contract without an owner.\nIt will not be possible to call the functions with the `onlyOwner`\nmodifier anymore.", "id": 4787, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 4771, "modifierName": { "argumentTypes": null, "id": 4770, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4757, "src": "1309:9:12", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1309:9:12" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4769, "nodeType": "ParameterList", "parameters": [], "src": "1299:2:12" }, "payable": false, "returnParameters": { "id": 4772, "nodeType": "ParameterList", "parameters": [], "src": "1319:0:12" }, "scope": 4823, "src": "1273:127:12", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4798, "nodeType": "Block", "src": "1623:39:12", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4795, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4789, "src": "1648:8:12", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4794, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4822, "src": "1629:18:12", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 4796, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1629:28:12", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4797, "nodeType": "ExpressionStatement", "src": "1629:28:12" } ] }, "documentation": "@dev Allows the current owner to transfer control of the contract to a newOwner.\n@param newOwner The address to transfer ownership to.", "id": 4799, "implemented": true, "isConstructor": false, "isDeclaredConst": false, "modifiers": [ { "arguments": null, "id": 4792, "modifierName": { "argumentTypes": null, "id": 4791, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4757, "src": "1613:9:12", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1613:9:12" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 4790, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4789, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 4799, "src": "1588:16:12", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4788, "name": "address", 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