{ "abi": [], "bytecode": { "object": "0x", "sourceMap": "", "linkReferences": {} }, "deployedBytecode": { "object": "0x", "sourceMap": "", "linkReferences": {} }, "methodIdentifiers": {}, "ast": { "absolutePath": "node_modules/@openzeppelin/contracts-upgradeable/proxy/Initializable.sol", "id": 23677, "exportedSymbols": { "AddressUpgradeable": [ 25086 ], "Initializable": [ 23676 ] }, "nodeType": "SourceUnit", "src": "79:1999:11", "nodes": [ { "id": 23612, "nodeType": "PragmaDirective", "src": "79:32:11", "literals": [ "solidity", ">=", "0.4", ".24", "<", "0.8", ".0" ] }, { "id": 23613, "nodeType": "ImportDirective", "src": "113:41:11", "absolutePath": "node_modules/@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol", "file": "../utils/AddressUpgradeable.sol", "scope": 23677, "sourceUnit": 25087, "symbolAliases": [], "unitAlias": "" }, { "id": 23676, "nodeType": "ContractDefinition", "src": "1095:982:11", "nodes": [ { "id": 23617, "nodeType": "VariableDeclaration", "src": 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"typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "VariableDeclarationStatement", "src": "1624:36:11" }, { "condition": { "id": 23639, "name": "isTopLevelCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23635, "src": "1674:14:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 23649, "nodeType": "IfStatement", "src": "1670:98:11", "trueBody": { "id": 23648, "nodeType": "Block", "src": "1690:78:11", "statements": [ { "expression": { "id": 23642, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 23640, "name": "_initializing", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23620, "src": "1704:13:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "74727565", "id": 23641, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1720:4:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "1704:20:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 23643, "nodeType": "ExpressionStatement", "src": "1704:20:11" }, { "expression": { "id": 23646, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 23644, "name": "_initialized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23617, "src": "1738:12:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "74727565", "id": 23645, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1753:4:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "true" }, "src": "1738:19:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 23647, "nodeType": "ExpressionStatement", "src": "1738:19:11" } ] } }, { "id": 23650, "nodeType": "PlaceholderStatement", "src": "1778:1:11" }, { "condition": { "id": 23651, "name": "isTopLevelCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23635, "src": "1794:14:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 23657, "nodeType": "IfStatement", "src": "1790:66:11", "trueBody": { "id": 23656, "nodeType": "Block", "src": "1810:46:11", "statements": [ { "expression": { "id": 23654, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 23652, "name": "_initializing", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 23620, "src": "1824:13:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "hexValue": "66616c7365", "id": 23653, "isConstant": false, "isLValue": false, "isPure": true, "kind": "bool", "lValueRequested": false, "nodeType": "Literal", "src": "1840:5:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "value": "false" }, "src": "1824:21:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 23655, "nodeType": "ExpressionStatement", "src": "1824:21:11" } ] } } ] }, "documentation": { "id": 23621, "nodeType": "StructuredDocumentation", "src": "1373:93:11", "text": " @dev Modifier to protect an initializer function from being invoked twice." }, "name": "initializer", "parameters": { "id": 23622, "nodeType": "ParameterList", "parameters": [], "src": "1491:2:11" }, "virtual": false, "visibility": "internal" }, { "id": 23675, "nodeType": "FunctionDefinition", "src": "1952:123:11", "body": { "id": 23674, "nodeType": "Block", "src": "2006:69:11", "statements": [ { "expression": { "id": 23672, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "2023:45:11", "subExpression": { "arguments": [ { "arguments": [ { "id": 23669, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "2062:4:11", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$23676", "typeString": "contract Initializable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Initializable_$23676", "typeString": "contract Initializable" } ], "id": 23668, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "2054:7:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 23667, "name": "address", "nodeType": "ElementaryTypeName", "src": "2054:7:11", "typeDescriptions": {} } }, "id": 23670, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2054:13:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "id": 23665, "name": "AddressUpgradeable", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 25086, "src": "2024:18:11", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_AddressUpgradeable_$25086_$", "typeString": "type(library AddressUpgradeable)" } }, "id": 23666, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "isContract", "nodeType": "MemberAccess", "referencedDeclaration": 24862, "src": "2024:29:11", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_bool_$", "typeString": "function (address) view returns (bool)" } }, "id": 23671, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2024:44:11", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "functionReturnParameters": 23664, "id": 23673, "nodeType": "Return", "src": "2016:52:11" } ] }, "documentation": { "id": 23660, "nodeType": "StructuredDocumentation", "src": "1868:79:11", "text": "@dev Returns true if and only if the function is running in the constructor" }, "implemented": true, "kind": "function", "modifiers": [], "name": "_isConstructor", "parameters": { "id": 23661, "nodeType": "ParameterList", "parameters": [], "src": "1975:2:11" }, "returnParameters": { "id": 23664, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 23663, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "scope": 23675, "src": "2000:4:11", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 23662, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2000:4:11", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "src": "1999:6:11" }, "scope": 23676, "stateMutability": "view", "virtual": false, "visibility": "private" } ], "abstract": true, "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 23614, "nodeType": "StructuredDocumentation", "src": "156:938:11", "text": " @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\n behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an\n external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\n function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\n TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\n possible by providing the encoded function call as the `_data` argument to {UpgradeableProxy-constructor}.\n CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\n that all initializers are idempotent. This is not verified automatically as constructors are by Solidity." }, "fullyImplemented": true, "linearizedBaseContracts": [ 23676 ], "name": "Initializable", "scope": 23677 } ], "license": "MIT" }, "id": 11 }