{ "contractName": "Ownable", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "sender", "type": "address" } ], "name": "initialize", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "isOwner", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [], "name": "renounceOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.17+commit.d19bba13\"},\"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\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"}],\"name\":\"initialize\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"isOwner\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"Contract module which provides a basic access control mechanism, where there is an account (an owner) that can be granted exclusive access to specific functions. * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be aplied to your functions to restrict their use to the owner.\",\"methods\":{\"initialize(address)\":{\"details\":\"Initializes the contract setting the deployer as the initial owner.\"},\"isOwner()\":{\"details\":\"Returns true if the caller is the current owner.\"},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * > Note: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol\":\"Ownable\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol\":{\"keccak256\":\"0x3491510fa4862af1a43f6c860d9cf7392240196540cd3c0eea79d374d419c5a1\",\"urls\":[\"bzz-raw://3e51386d74eb723d3acaaddafce1dd0b4082ad4c10ddba6b9fc154aad2930d02\",\"dweb:/ipfs/QmcA8Huap1c7YjdVjx5TGasxKNMLgsa3XyLvQUaMa1nMt8\"]},\"@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol\":{\"keccak256\":\"0xd7e8ab76fa35c4d8d35a06a6ed538cadab8b75a1aa00594ced1568b2c0cadde3\",\"urls\":[\"bzz-raw://a3f816aa3e6161b4cf882ad34755673848d835f7fb964db49bcef9df14570cef\",\"dweb:/ipfs/QmQACSH1W7pKQnqTAqpuEP8ychp3PvosfnyondLaLE1nVq\"]},\"@openzeppelin/upgrades/contracts/Initializable.sol\":{\"keccak256\":\"0x9bfec92e36234ecc99b5d37230acb6cd1f99560233753162204104a4897e8721\",\"urls\":[\"bzz-raw://5cf7c208583d4d046d75bd99f5507412ab01cce9dd9f802ce9768a416d93ea2f\",\"dweb:/ipfs/QmcQS1BBMPpVEkXP3qzwSjxHNrqDek8YeR7xbVWDC9ApC7\"]}},\"version\":1}", 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"source": "pragma solidity ^0.5.0;\n\nimport \"@openzeppelin/upgrades/contracts/Initializable.sol\";\n\nimport \"../GSN/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be aplied to your functions to restrict their use to\n * the owner.\n */\ncontract Ownable is Initializable, Context {\n address private _owner;\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n /**\n * @dev Initializes the contract setting the deployer as the initial owner.\n */\n function initialize(address sender) public initializer {\n _owner = sender;\n emit OwnershipTransferred(address(0), _owner);\n }\n\n /**\n * @dev Returns the address of the current owner.\n */\n function owner() public view returns (address) {\n return _owner;\n }\n\n /**\n * @dev Throws if called by any account other than the owner.\n */\n modifier onlyOwner() {\n require(isOwner(), \"Ownable: caller is not the owner\");\n _;\n }\n\n /**\n * @dev Returns true if the caller is the current owner.\n */\n function isOwner() public view returns (bool) {\n return _msgSender() == _owner;\n }\n\n /**\n * @dev Leaves the contract without owner. It will not be possible to call\n * `onlyOwner` functions anymore. Can only be called by the current owner.\n *\n * > Note: Renouncing ownership will leave the contract without an owner,\n * thereby removing any functionality that is only available to the owner.\n */\n function renounceOwnership() public onlyOwner {\n emit OwnershipTransferred(_owner, address(0));\n _owner = address(0);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n * Can only be called by the current owner.\n */\n function transferOwnership(address newOwner) public onlyOwner {\n _transferOwnership(newOwner);\n }\n\n /**\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\n */\n function _transferOwnership(address newOwner) internal {\n require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n emit OwnershipTransferred(_owner, newOwner);\n _owner = newOwner;\n }\n\n uint256[50] private ______gap;\n}\n", "sourcePath": "@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol", "ast": { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 6193 ] }, "id": 6194, "nodeType": "SourceUnit", "nodes": [ { "id": 6071, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:19" }, { "absolutePath": "@openzeppelin/upgrades/contracts/Initializable.sol", "file": "@openzeppelin/upgrades/contracts/Initializable.sol", "id": 6072, "nodeType": "ImportDirective", "scope": 6194, "sourceUnit": 7852, "src": "25:60:19", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 6073, "nodeType": "ImportDirective", "scope": 6194, "sourceUnit": 5408, "src": "87:28:19", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6074, "name": "Initializable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 7851, "src": "497:13:19", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$7851", "typeString": "contract Initializable" } }, "id": 6075, "nodeType": "InheritanceSpecifier", "src": "497:13:19" }, { "arguments": null, "baseName": { "contractScope": null, "id": 6076, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5407, "src": "512:7:19", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$5407", "typeString": "contract Context" } }, "id": 6077, "nodeType": "InheritanceSpecifier", "src": "512:7:19" } ], "contractDependencies": [ 5407, 7851 ], "contractKind": "contract", "documentation": "@dev Contract module which provides a basic access control mechanism, where\nthere is an account (an owner) that can be granted exclusive access to\nspecific functions.\n * This module is used through inheritance. It will make available the modifier\n`onlyOwner`, which can be aplied to your functions to restrict their use to\nthe owner.", "fullyImplemented": true, "id": 6193, "linearizedBaseContracts": [ 6193, 5407, 7851 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 6079, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 6193, "src": "526:22:19", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6078, "name": "address", "nodeType": "ElementaryTypeName", "src": "526:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 6085, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 6084, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6081, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 6085, "src": "582:29:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6080, "name": "address", "nodeType": "ElementaryTypeName", "src": "582:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6083, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 6085, "src": "613:24:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6082, "name": "address", "nodeType": "ElementaryTypeName", "src": "613:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "581:57:19" }, "src": "555:84:19" }, { "body": { "id": 6103, "nodeType": "Block", "src": "796:87:19", "statements": [ { "expression": { "argumentTypes": null, "id": 6094, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6092, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "806:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 6093, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6087, "src": "815:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "806:15:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6095, "nodeType": "ExpressionStatement", "src": "806:15:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6098, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "865:1:19", "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": 6097, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "857:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6099, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "857:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 6100, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "869:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6096, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6085, "src": "836:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 6101, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "836:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6102, "nodeType": "EmitStatement", "src": "831:45:19" } ] }, "documentation": "@dev Initializes the contract setting the deployer as the initial owner.", "id": 6104, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 6090, "modifierName": { "argumentTypes": null, "id": 6089, "name": "initializer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7826, "src": "784:11:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "784:11:19" } ], "name": "initialize", "nodeType": "FunctionDefinition", "parameters": { "id": 6088, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6087, "name": "sender", "nodeType": "VariableDeclaration", "scope": 6104, "src": "761:14:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6086, "name": "address", "nodeType": "ElementaryTypeName", "src": "761:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "760:16:19" }, "returnParameters": { "id": 6091, "nodeType": "ParameterList", "parameters": [], "src": "796:0:19" }, "scope": 6193, "src": "741:142:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 6111, "nodeType": "Block", "src": "1006:30:19", "statements": [ { "expression": { "argumentTypes": null, "id": 6109, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1023:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 6108, "id": 6110, "nodeType": "Return", "src": "1016:13:19" } ] }, "documentation": "@dev Returns the address of the current owner.", "id": 6112, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 6105, "nodeType": "ParameterList", "parameters": [], "src": "973:2:19" }, "returnParameters": { "id": 6108, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6107, "name": "", "nodeType": "VariableDeclaration", "scope": 6112, "src": "997:7:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6106, "name": "address", "nodeType": "ElementaryTypeName", "src": "997:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "996:9:19" }, "scope": 6193, "src": "959:77:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 6121, "nodeType": "Block", "src": "1145:82:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 6115, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6133, "src": "1163:7:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 6116, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1163:9:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 6117, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1174:34:19", "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": 6114, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 8537, 8538 ], "referencedDeclaration": 8538, "src": "1155:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6118, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1155:54:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6119, "nodeType": "ExpressionStatement", "src": "1155:54:19" }, { "id": 6120, "nodeType": "PlaceholderStatement", "src": "1219:1:19" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 6122, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 6113, "nodeType": "ParameterList", "parameters": [], "src": "1142:2:19" }, "src": "1124:103:19", "visibility": "internal" }, { "body": { "id": 6132, "nodeType": "Block", "src": "1356:46:19", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 6130, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 6127, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5395, "src": "1373:10:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 6128, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1373:12:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 6129, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1389:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1373:22:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6126, "id": 6131, "nodeType": "Return", "src": "1366:29:19" } ] }, "documentation": "@dev Returns true if the caller is the current owner.", "id": 6133, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 6123, "nodeType": "ParameterList", "parameters": [], "src": "1326:2:19" }, "returnParameters": { "id": 6126, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6125, "name": "", "nodeType": "VariableDeclaration", "scope": 6133, "src": "1350:4:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6124, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1350:4:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1349:6:19" }, "scope": 6193, "src": "1310:92:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 6151, "nodeType": "Block", "src": "1792:91:19", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6139, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1828:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6141, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1844:1:19", "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": 6140, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1836:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6142, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1836:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 6138, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6085, "src": "1807:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 6143, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1807:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6144, "nodeType": "EmitStatement", "src": "1802:45:19" }, { "expression": { "argumentTypes": null, "id": 6149, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6145, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1857:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6147, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1874:1:19", "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": 6146, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1866:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6148, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1866:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1857:19:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6150, "nodeType": "ExpressionStatement", "src": "1857:19:19" } ] }, "documentation": "@dev Leaves the contract without owner. It will not be possible to call\n`onlyOwner` functions anymore. Can only be called by the current owner.\n * > Note: Renouncing ownership will leave the contract without an owner,\nthereby removing any functionality that is only available to the owner.", "id": 6152, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 6136, "modifierName": { "argumentTypes": null, "id": 6135, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6122, "src": "1782:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1782:9:19" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 6134, "nodeType": "ParameterList", "parameters": [], "src": "1772:2:19" }, "returnParameters": { "id": 6137, "nodeType": "ParameterList", "parameters": [], "src": "1792:0:19" }, "scope": 6193, "src": "1746:137:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 6163, "nodeType": "Block", "src": "2094:45:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6160, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6154, "src": "2123:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6159, "name": "_transferOwnership", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6188, "src": "2104:18:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 6161, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2104:28:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6162, "nodeType": "ExpressionStatement", "src": "2104:28:19" } ] }, "documentation": "@dev Transfers ownership of the contract to a new account (`newOwner`).\nCan only be called by the current owner.", "id": 6164, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 6157, "modifierName": { "argumentTypes": null, "id": 6156, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6122, "src": "2084:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "2084:9:19" } ], "name": "transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 6155, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6154, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 6164, "src": "2059:16:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6153, "name": "address", "nodeType": "ElementaryTypeName", "src": "2059:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2058:18:19" }, "returnParameters": { "id": 6158, "nodeType": "ParameterList", "parameters": [], "src": "2094:0:19" }, "scope": 6193, "src": "2032:107:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 6187, "nodeType": "Block", "src": "2295:170:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 6174, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 6170, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6166, "src": "2313:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "!=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6172, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2333:1:19", "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": 6171, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2325:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6173, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2325:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "2313:22:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373", "id": 6175, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "2337:40:19", "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": 6169, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 8537, 8538 ], "referencedDeclaration": 8538, "src": "2305:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6176, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2305:73:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6177, "nodeType": "ExpressionStatement", "src": "2305:73:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6179, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "2414:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 6180, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6166, "src": "2422:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6178, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6085, "src": "2393:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 6181, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2393:38:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6182, "nodeType": "EmitStatement", "src": "2388:43:19" }, { "expression": { "argumentTypes": null, "id": 6185, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6183, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "2441:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 6184, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6166, "src": "2450:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2441:17:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6186, "nodeType": "ExpressionStatement", "src": "2441:17:19" } ] }, "documentation": "@dev Transfers ownership of the contract to a new account (`newOwner`).", "id": 6188, "implemented": true, "kind": "function", "modifiers": [], "name": "_transferOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 6167, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6166, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 6188, "src": "2268:16:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6165, "name": "address", "nodeType": "ElementaryTypeName", "src": "2268:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "2267:18:19" }, "returnParameters": { "id": 6168, "nodeType": "ParameterList", "parameters": [], "src": "2295:0:19" }, "scope": 6193, "src": "2240:225:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "constant": false, "id": 6192, "name": "______gap", "nodeType": "VariableDeclaration", "scope": 6193, "src": "2471:29:19", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$50_storage", "typeString": "uint256[50]" }, "typeName": { "baseType": { "id": 6189, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2471:7:19", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 6191, "length": { "argumentTypes": null, "hexValue": "3530", "id": 6190, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "2479:2:19", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_50_by_1", "typeString": "int_const 50" }, "value": "50" }, "nodeType": "ArrayTypeName", "src": "2471:11:19", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$50_storage_ptr", "typeString": "uint256[50]" } }, "value": null, "visibility": "private" } ], "scope": 6194, "src": "477:2026:19" } ], "src": "0:2504:19" }, "legacyAST": { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/ownership/Ownable.sol", "exportedSymbols": { "Ownable": [ 6193 ] }, "id": 6194, "nodeType": "SourceUnit", "nodes": [ { "id": 6071, "literals": [ "solidity", "^", "0.5", ".0" ], "nodeType": "PragmaDirective", "src": "0:23:19" }, { "absolutePath": "@openzeppelin/upgrades/contracts/Initializable.sol", "file": "@openzeppelin/upgrades/contracts/Initializable.sol", "id": 6072, "nodeType": "ImportDirective", "scope": 6194, "sourceUnit": 7852, "src": "25:60:19", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts-ethereum-package/contracts/GSN/Context.sol", "file": "../GSN/Context.sol", "id": 6073, "nodeType": "ImportDirective", "scope": 6194, "sourceUnit": 5408, "src": "87:28:19", "symbolAliases": [], "unitAlias": "" }, { "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 6074, "name": "Initializable", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 7851, "src": "497:13:19", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$7851", "typeString": "contract Initializable" } }, "id": 6075, "nodeType": "InheritanceSpecifier", "src": "497:13:19" }, { "arguments": null, "baseName": { "contractScope": null, "id": 6076, "name": "Context", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5407, "src": "512:7:19", "typeDescriptions": { "typeIdentifier": "t_contract$_Context_$5407", "typeString": "contract Context" } }, "id": 6077, "nodeType": "InheritanceSpecifier", "src": "512:7:19" } ], "contractDependencies": [ 5407, 7851 ], "contractKind": "contract", "documentation": "@dev Contract module which provides a basic access control mechanism, where\nthere is an account (an owner) that can be granted exclusive access to\nspecific functions.\n * This module is used through inheritance. It will make available the modifier\n`onlyOwner`, which can be aplied to your functions to restrict their use to\nthe owner.", "fullyImplemented": true, "id": 6193, "linearizedBaseContracts": [ 6193, 5407, 7851 ], "name": "Ownable", "nodeType": "ContractDefinition", "nodes": [ { "constant": false, "id": 6079, "name": "_owner", "nodeType": "VariableDeclaration", "scope": 6193, "src": "526:22:19", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6078, "name": "address", "nodeType": "ElementaryTypeName", "src": "526:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "private" }, { "anonymous": false, "documentation": null, "id": 6085, "name": "OwnershipTransferred", "nodeType": "EventDefinition", "parameters": { "id": 6084, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6081, "indexed": true, "name": "previousOwner", "nodeType": "VariableDeclaration", "scope": 6085, "src": "582:29:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6080, "name": "address", "nodeType": "ElementaryTypeName", "src": "582:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 6083, "indexed": true, "name": "newOwner", "nodeType": "VariableDeclaration", "scope": 6085, "src": "613:24:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6082, "name": "address", "nodeType": "ElementaryTypeName", "src": "613:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "581:57:19" }, "src": "555:84:19" }, { "body": { "id": 6103, "nodeType": "Block", "src": "796:87:19", "statements": [ { "expression": { "argumentTypes": null, "id": 6094, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6092, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "806:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 6093, "name": "sender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6087, "src": "815:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "806:15:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6095, "nodeType": "ExpressionStatement", "src": "806:15:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6098, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "865:1:19", "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": 6097, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "857:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6099, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "857:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, { "argumentTypes": null, "id": 6100, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "869:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 6096, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6085, "src": "836:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 6101, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "836:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6102, "nodeType": "EmitStatement", "src": "831:45:19" } ] }, "documentation": "@dev Initializes the contract setting the deployer as the initial owner.", "id": 6104, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 6090, "modifierName": { "argumentTypes": null, "id": 6089, "name": "initializer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 7826, "src": "784:11:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "784:11:19" } ], "name": "initialize", "nodeType": "FunctionDefinition", "parameters": { "id": 6088, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6087, "name": "sender", "nodeType": "VariableDeclaration", "scope": 6104, "src": "761:14:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6086, "name": "address", "nodeType": "ElementaryTypeName", "src": "761:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "760:16:19" }, "returnParameters": { "id": 6091, "nodeType": "ParameterList", "parameters": [], "src": "796:0:19" }, "scope": 6193, "src": "741:142:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 6111, "nodeType": "Block", "src": "1006:30:19", "statements": [ { "expression": { "argumentTypes": null, "id": 6109, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1023:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "functionReturnParameters": 6108, "id": 6110, "nodeType": "Return", "src": "1016:13:19" } ] }, "documentation": "@dev Returns the address of the current owner.", "id": 6112, "implemented": true, "kind": "function", "modifiers": [], "name": "owner", "nodeType": "FunctionDefinition", "parameters": { "id": 6105, "nodeType": "ParameterList", "parameters": [], "src": "973:2:19" }, "returnParameters": { "id": 6108, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6107, "name": "", "nodeType": "VariableDeclaration", "scope": 6112, "src": "997:7:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 6106, "name": "address", "nodeType": "ElementaryTypeName", "src": "997:7:19", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "src": "996:9:19" }, "scope": 6193, "src": "959:77:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 6121, "nodeType": "Block", "src": "1145:82:19", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 6115, "name": "isOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6133, "src": "1163:7:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_bool_$", "typeString": "function () view returns (bool)" } }, "id": 6116, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1163:9:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572", "id": 6117, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "1174:34:19", "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": 6114, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 8537, 8538 ], "referencedDeclaration": 8538, "src": "1155:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6118, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1155:54:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6119, "nodeType": "ExpressionStatement", "src": "1155:54:19" }, { "id": 6120, "nodeType": "PlaceholderStatement", "src": "1219:1:19" } ] }, "documentation": "@dev Throws if called by any account other than the owner.", "id": 6122, "name": "onlyOwner", "nodeType": "ModifierDefinition", "parameters": { "id": 6113, "nodeType": "ParameterList", "parameters": [], "src": "1142:2:19" }, "src": "1124:103:19", "visibility": "internal" }, { "body": { "id": 6132, "nodeType": "Block", "src": "1356:46:19", "statements": [ { "expression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 6130, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "id": 6127, "name": "_msgSender", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5395, "src": "1373:10:19", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_payable_$", "typeString": "function () view returns (address payable)" } }, "id": 6128, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1373:12:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 6129, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1389:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "1373:22:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 6126, "id": 6131, "nodeType": "Return", "src": "1366:29:19" } ] }, "documentation": "@dev Returns true if the caller is the current owner.", "id": 6133, "implemented": true, "kind": "function", "modifiers": [], "name": "isOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 6123, "nodeType": "ParameterList", "parameters": [], "src": "1326:2:19" }, "returnParameters": { "id": 6126, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 6125, "name": "", "nodeType": "VariableDeclaration", "scope": 6133, "src": "1350:4:19", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 6124, "name": "bool", "nodeType": "ElementaryTypeName", "src": "1350:4:19", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "1349:6:19" }, "scope": 6193, "src": "1310:92:19", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 6151, "nodeType": "Block", "src": "1792:91:19", "statements": [ { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6139, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1828:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6141, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1844:1:19", "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": 6140, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1836:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6142, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1836:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_address_payable", "typeString": "address payable" } ], "id": 6138, "name": "OwnershipTransferred", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6085, "src": "1807:20:19", "typeDescriptions": { "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_address_$returns$__$", "typeString": "function (address,address)" } }, "id": 6143, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1807:40:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6144, "nodeType": "EmitStatement", "src": "1802:45:19" }, { "expression": { "argumentTypes": null, "id": 6149, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6145, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "1857:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 6147, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "1874:1:19", "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": 6146, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1866:7:19", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 6148, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1866:10:19", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "1857:19:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 6150, "nodeType": "ExpressionStatement", "src": "1857:19:19" } ] }, "documentation": "@dev Leaves the contract without owner. It will not be possible to call\n`onlyOwner` functions anymore. Can only be called by the current owner.\n * > Note: Renouncing ownership will leave the contract without an owner,\nthereby removing any functionality that is only available to the owner.", "id": 6152, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 6136, "modifierName": { "argumentTypes": null, "id": 6135, "name": "onlyOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6122, "src": "1782:9:19", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1782:9:19" } ], "name": "renounceOwnership", "nodeType": "FunctionDefinition", "parameters": { "id": 6134, "nodeType": "ParameterList", "parameters": [], "src": "1772:2:19" }, "returnParameters": { "id": 6137, "nodeType": "ParameterList", "parameters": [], "src": "1792:0:19" }, "scope": 6193, "src": "1746:137:19", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" 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"typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_245f15ff17f551913a7a18385165551503906a406f905ac1c2437281a7cd0cfe", "typeString": "literal_string \"Ownable: new owner is the zero address\"" } ], "id": 6169, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 8537, 8538 ], "referencedDeclaration": 8538, "src": "2305:7:19", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 6176, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2305:73:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6177, "nodeType": "ExpressionStatement", "src": "2305:73:19" }, { "eventCall": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 6179, "name": "_owner", 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"lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2393:38:19", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 6182, "nodeType": "EmitStatement", "src": "2388:43:19" }, { "expression": { "argumentTypes": null, "id": 6185, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 6183, "name": "_owner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6079, "src": "2441:6:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 6184, "name": "newOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 6166, "src": "2450:8:19", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "2441:17:19", "typeDescriptions": { "typeIdentifier": 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"value": "50" }, "nodeType": "ArrayTypeName", "src": "2471:11:19", "typeDescriptions": { "typeIdentifier": "t_array$_t_uint256_$50_storage_ptr", "typeString": "uint256[50]" } }, "value": null, "visibility": "private" } ], "scope": 6194, "src": "477:2026:19" } ], "src": "0:2504:19" }, "compiler": { "name": "solc", "version": "0.5.17+commit.d19bba13.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.3.0", "updatedAt": "2020-12-11T05:03:09.358Z", "devdoc": { "details": "Contract module which provides a basic access control mechanism, where there is an account (an owner) that can be granted exclusive access to specific functions. * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be aplied to your functions to restrict their use to the owner.", "methods": { "initialize(address)": { "details": "Initializes the contract setting the deployer as the initial owner." }, "isOwner()": { "details": "Returns true if the caller is the current owner." }, "owner()": { "details": "Returns the address of the current owner." }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. * > Note: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } } }, "userdoc": { "methods": {} } }