UNPKG

witnet-solidity-bridge

Version:

Witnet Solidity Bridge contracts for EVM-compatible chains

892 lines (891 loc) 146 kB
{ "contractName": "Initializable", "abi": [ { "inputs": [], "name": "InvalidInitialization", "type": "error" }, { "inputs": [], "name": "NotInitializing", "type": "error" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint64", "name": "version", "type": "uint64" } ], "name": "Initialized", "type": "event" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.30+commit.73712a01\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"name\":\"InvalidInitialization\",\"type\":\"error\"},{\"inputs\":[],\"name\":\"NotInitializing\",\"type\":\"error\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint64\",\"name\":\"version\",\"type\":\"uint64\"}],\"name\":\"Initialized\",\"type\":\"event\"}],\"devdoc\":{\"custom:oz-upgrades-unsafe-allow\":\"constructor constructor() { _disableInitializers(); } ``` ====\",\"details\":\"This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. The initialization functions use a version number. Once a version number is used, it is consumed and cannot be reused. This mechanism prevents re-execution of each \\\"step\\\" but allows the creation of new initialization steps in case an upgrade adds a module that needs to be initialized. For example: [.hljs-theme-light.nopadding] ```solidity contract MyToken is ERC20Upgradeable { function initialize() initializer public { __ERC20_init(\\\"MyToken\\\", \\\"MTK\\\"); } } contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { function initializeV2() reinitializer(2) public { __ERC20Permit_init(\\\"MyToken\\\"); } } ``` TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. [CAUTION] ==== Avoid leaving a contract uninitialized. An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: [.hljs-theme-light.nopadding] ```\",\"errors\":{\"InvalidInitialization()\":[{\"details\":\"The contract is already initialized.\"}],\"NotInitializing()\":[{\"details\":\"The contract is not initializing.\"}]},\"events\":{\"Initialized(uint64)\":{\"details\":\"Triggered when the contract has been initialized or reinitialized.\"}},\"kind\":\"dev\",\"methods\":{},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\":\"Initializable\"},\"evmVersion\":\"prague\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\":{\"keccak256\":\"0xdb4d24ee2c087c391d587cd17adfe5b3f9d93b3110b1388c2ab6c7c0ad1dcd05\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://ab7b6d5b9e2b88176312967fe0f0e78f3d9a1422fa5e4b64e2440c35869b5d08\",\"dweb:/ipfs/QmXKYWWyzcLg1B2k7Sb1qkEXgLCYfXecR9wYW5obRzWP1Q\"]}},\"version\":1}", "bytecode": "0x", "deployedBytecode": "0x", "immutableReferences": {}, "generatedSources": [], "deployedGeneratedSources": [], "sourceMap": "", "deployedSourceMap": "", "source": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.3.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @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 proxied contracts do not make use of 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 *\n * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n * reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n * case an upgrade adds a module that needs to be initialized.\n *\n * For example:\n *\n * [.hljs-theme-light.nopadding]\n * ```solidity\n * contract MyToken is ERC20Upgradeable {\n * function initialize() initializer public {\n * __ERC20_init(\"MyToken\", \"MTK\");\n * }\n * }\n *\n * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n * function initializeV2() reinitializer(2) public {\n * __ERC20Permit_init(\"MyToken\");\n * }\n * }\n * ```\n *\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 {ERC1967Proxy-constructor}.\n *\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.\n *\n * [CAUTION]\n * ====\n * Avoid leaving a contract uninitialized.\n *\n * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() {\n * _disableInitializers();\n * }\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Storage of the initializable contract.\n *\n * It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions\n * when using with upgradeable contracts.\n *\n * @custom:storage-location erc7201:openzeppelin.storage.Initializable\n */\n struct InitializableStorage {\n /**\n * @dev Indicates that the contract has been initialized.\n */\n uint64 _initialized;\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool _initializing;\n }\n\n // keccak256(abi.encode(uint256(keccak256(\"openzeppelin.storage.Initializable\")) - 1)) & ~bytes32(uint256(0xff))\n bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;\n\n /**\n * @dev The contract is already initialized.\n */\n error InvalidInitialization();\n\n /**\n * @dev The contract is not initializing.\n */\n error NotInitializing();\n\n /**\n * @dev Triggered when the contract has been initialized or reinitialized.\n */\n event Initialized(uint64 version);\n\n /**\n * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,\n * `onlyInitializing` functions can be used to initialize parent contracts.\n *\n * Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any\n * number of times. This behavior in the constructor can be useful during testing and is not expected to be used in\n * production.\n *\n * Emits an {Initialized} event.\n */\n modifier initializer() {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n // Cache values to avoid duplicated sloads\n bool isTopLevelCall = !$._initializing;\n uint64 initialized = $._initialized;\n\n // Allowed calls:\n // - initialSetup: the contract is not in the initializing state and no previous version was\n // initialized\n // - construction: the contract is initialized at version 1 (no reinitialization) and the\n // current contract is just being deployed\n bool initialSetup = initialized == 0 && isTopLevelCall;\n bool construction = initialized == 1 && address(this).code.length == 0;\n\n if (!initialSetup && !construction) {\n revert InvalidInitialization();\n }\n $._initialized = 1;\n if (isTopLevelCall) {\n $._initializing = true;\n }\n _;\n if (isTopLevelCall) {\n $._initializing = false;\n emit Initialized(1);\n }\n }\n\n /**\n * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the\n * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be\n * used to initialize parent contracts.\n *\n * A reinitializer may be used after the original initialization step. This is essential to configure modules that\n * are added through upgrades and that require initialization.\n *\n * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`\n * cannot be nested. If one is invoked in the context of another, execution will revert.\n *\n * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in\n * a contract, executing them in the right order is up to the developer or operator.\n *\n * WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.\n *\n * Emits an {Initialized} event.\n */\n modifier reinitializer(uint64 version) {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n if ($._initializing || $._initialized >= version) {\n revert InvalidInitialization();\n }\n $._initialized = version;\n $._initializing = true;\n _;\n $._initializing = false;\n emit Initialized(version);\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} and {reinitializer} modifiers, directly or indirectly.\n */\n modifier onlyInitializing() {\n _checkInitializing();\n _;\n }\n\n /**\n * @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.\n */\n function _checkInitializing() internal view virtual {\n if (!_isInitializing()) {\n revert NotInitializing();\n }\n }\n\n /**\n * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.\n * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized\n * to any version. It is recommended to use this to lock implementation contracts that are designed to be called\n * through proxies.\n *\n * Emits an {Initialized} event the first time it is successfully executed.\n */\n function _disableInitializers() internal virtual {\n // solhint-disable-next-line var-name-mixedcase\n InitializableStorage storage $ = _getInitializableStorage();\n\n if ($._initializing) {\n revert InvalidInitialization();\n }\n if ($._initialized != type(uint64).max) {\n $._initialized = type(uint64).max;\n emit Initialized(type(uint64).max);\n }\n }\n\n /**\n * @dev Returns the highest version that has been initialized. See {reinitializer}.\n */\n function _getInitializedVersion() internal view returns (uint64) {\n return _getInitializableStorage()._initialized;\n }\n\n /**\n * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.\n */\n function _isInitializing() internal view returns (bool) {\n return _getInitializableStorage()._initializing;\n }\n\n /**\n * @dev Pointer to storage slot. Allows integrators to override it with a custom storage location.\n *\n * NOTE: Consider following the ERC-7201 formula to derive storage locations.\n */\n function _initializableStorageSlot() internal pure virtual returns (bytes32) {\n return INITIALIZABLE_STORAGE;\n }\n\n /**\n * @dev Returns a pointer to the storage namespace.\n */\n // solhint-disable-next-line var-name-mixedcase\n function _getInitializableStorage() private pure returns (InitializableStorage storage $) {\n bytes32 slot = _initializableStorageSlot();\n assembly {\n $.slot := slot\n }\n }\n}\n", "sourcePath": "@openzeppelin\\contracts-upgradeable\\proxy\\utils\\Initializable.sol", "ast": { "absolutePath": "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol", "exportedSymbols": { "Initializable": [ 267 ] }, "id": 268, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 1, "literals": [ "solidity", "^", "0.8", ".20" ], "nodeType": "PragmaDirective", "src": "113:24:0" }, { "abstract": true, "baseContracts": [], "canonicalName": "Initializable", "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 2, "nodeType": "StructuredDocumentation", "src": "139:2209:0", "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 proxied contracts do not make use of 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 The initialization functions use a version number. Once a version number is used, it is consumed and cannot be\n reused. This mechanism prevents re-execution of each \"step\" but allows the creation of new initialization steps in\n case an upgrade adds a module that needs to be initialized.\n For example:\n [.hljs-theme-light.nopadding]\n ```solidity\n contract MyToken is ERC20Upgradeable {\n function initialize() initializer public {\n __ERC20_init(\"MyToken\", \"MTK\");\n }\n }\n contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {\n function initializeV2() reinitializer(2) public {\n __ERC20Permit_init(\"MyToken\");\n }\n }\n ```\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 {ERC1967Proxy-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.\n [CAUTION]\n ====\n Avoid leaving a contract uninitialized.\n An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation\n contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke\n the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:\n [.hljs-theme-light.nopadding]\n ```\n /// @custom:oz-upgrades-unsafe-allow constructor\n constructor() {\n _disableInitializers();\n }\n ```\n ====" }, "fullyImplemented": true, "id": 267, "linearizedBaseContracts": [ 267 ], "name": "Initializable", "nameLocation": "2367:13:0", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "Initializable.InitializableStorage", "documentation": { "id": 3, "nodeType": "StructuredDocumentation", "src": "2387:293:0", "text": " @dev Storage of the initializable contract.\n It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions\n when using with upgradeable contracts.\n @custom:storage-location erc7201:openzeppelin.storage.Initializable" }, "id": 10, "members": [ { "constant": false, "id": 6, "mutability": "mutable", "name": "_initialized", "nameLocation": "2820:12:0", "nodeType": "VariableDeclaration", "scope": 10, "src": "2813:19:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 5, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "2813:6:0", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" }, { "constant": false, "id": 9, "mutability": "mutable", "name": "_initializing", "nameLocation": "2955:13:0", "nodeType": "VariableDeclaration", "scope": 10, "src": "2950:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 8, "name": "bool", "nodeType": "ElementaryTypeName", "src": "2950:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "name": "InitializableStorage", "nameLocation": "2692:20:0", "nodeType": "StructDefinition", "scope": 267, "src": "2685:290:0", "visibility": "public" }, { "constant": true, "id": 13, "mutability": "constant", "name": "INITIALIZABLE_STORAGE", "nameLocation": "3123:21:0", "nodeType": "VariableDeclaration", "scope": 267, "src": "3098:115:0", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 11, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "3098:7:0", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": { "hexValue": "307866306335376531363834306466303430663135303838646332663831666533393163333932336265633733653233613936363265666339633232396336613030", "id": 12, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3147:66:0", "typeDescriptions": { "typeIdentifier": "t_rational_108904022758810753673719992590105913556127789646572562039383141376366747609600_by_1", "typeString": "int_const 1089...(70 digits omitted)...9600" }, "value": "0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00" }, "visibility": "private" }, { "documentation": { "id": 14, "nodeType": "StructuredDocumentation", "src": "3220:60:0", "text": " @dev The contract is already initialized." }, "errorSelector": "f92ee8a9", "id": 16, "name": "InvalidInitialization", "nameLocation": "3291:21:0", "nodeType": "ErrorDefinition", "parameters": { "id": 15, "nodeType": "ParameterList", "parameters": [], "src": "3312:2:0" }, "src": "3285:30:0" }, { "documentation": { "id": 17, "nodeType": "StructuredDocumentation", "src": "3321:57:0", "text": " @dev The contract is not initializing." }, "errorSelector": "d7e6bcf8", "id": 19, "name": "NotInitializing", "nameLocation": "3389:15:0", "nodeType": "ErrorDefinition", "parameters": { "id": 18, "nodeType": "ParameterList", "parameters": [], "src": "3404:2:0" }, "src": "3383:24:0" }, { "anonymous": false, "documentation": { "id": 20, "nodeType": "StructuredDocumentation", "src": "3413:90:0", "text": " @dev Triggered when the contract has been initialized or reinitialized." }, "eventSelector": "c7f505b2f371ae2175ee4913f4499e1f2633a7b5936321eed1cdaeb6115181d2", "id": 24, "name": "Initialized", "nameLocation": "3514:11:0", "nodeType": "EventDefinition", "parameters": { "id": 23, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22, "indexed": false, "mutability": "mutable", "name": "version", "nameLocation": "3533:7:0", "nodeType": "VariableDeclaration", "scope": 24, "src": "3526:14:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 21, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "3526:6:0", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" } ], "src": "3525:16:0" }, "src": "3508:34:0" }, { "body": { "id": 106, "nodeType": "Block", "src": "4092:1079:0", "statements": [ { "assignments": [ 29 ], "declarations": [ { "constant": false, "id": 29, "mutability": "mutable", "name": "$", "nameLocation": "4187:1:0", "nodeType": "VariableDeclaration", "scope": 106, "src": "4158:30:0", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_InitializableStorage_$10_storage_ptr", "typeString": "struct Initializable.InitializableStorage" }, "typeName": { "id": 28, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 27, "name": "InitializableStorage", "nameLocations": [ "4158:20:0" ], "nodeType": "IdentifierPath", "referencedDeclaration": 10, "src": "4158:20:0" }, "referencedDeclaration": 10, "src": "4158:20:0", "typeDescriptions": { "typeIdentifier": "t_struct$_InitializableStorage_$10_storage_ptr", "typeString": "struct Initializable.InitializableStorage" } }, "visibility": "internal" } ], "id": 32, "initialValue": { "arguments": [], "expression": { "argumentTypes": [], "id": 30, "name": "_getInitializableStorage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 266, "src": "4191:24:0", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$__$returns$_t_struct$_InitializableStorage_$10_storage_ptr_$", "typeString": "function () pure returns (struct Initializable.InitializableStorage storage pointer)" } }, "id": 31, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "4191:26:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_struct$_InitializableStorage_$10_storage_ptr", "typeString": "struct Initializable.InitializableStorage storage pointer" } }, "nodeType": "VariableDeclarationStatement", "src": "4158:59:0" }, { "assignments": [ 34 ], "declarations": [ { "constant": false, "id": 34, "mutability": "mutable", "name": "isTopLevelCall", "nameLocation": "4284:14:0", "nodeType": "VariableDeclaration", "scope": 106, "src": "4279:19:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 33, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4279:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "id": 38, "initialValue": { "id": 37, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "4301:16:0", "subExpression": { "expression": { "id": 35, "name": "$", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 29, "src": "4302:1:0", "typeDescriptions": { "typeIdentifier": "t_struct$_InitializableStorage_$10_storage_ptr", "typeString": "struct Initializable.InitializableStorage storage pointer" } }, "id": 36, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "4304:13:0", "memberName": "_initializing", "nodeType": "MemberAccess", "referencedDeclaration": 9, "src": "4302:15:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "VariableDeclarationStatement", "src": "4279:38:0" }, { "assignments": [ 40 ], "declarations": [ { "constant": false, "id": 40, "mutability": "mutable", "name": "initialized", "nameLocation": "4334:11:0", "nodeType": "VariableDeclaration", "scope": 106, "src": "4327:18:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 39, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "4327:6:0", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "visibility": "internal" } ], "id": 43, "initialValue": { "expression": { "id": 41, "name": "$", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 29, "src": "4348:1:0", "typeDescriptions": { "typeIdentifier": "t_struct$_InitializableStorage_$10_storage_ptr", "typeString": "struct Initializable.InitializableStorage storage pointer" } }, "id": 42, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberLocation": "4350:12:0", "memberName": "_initialized", "nodeType": "MemberAccess", "referencedDeclaration": 6, "src": "4348:14:0", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "VariableDeclarationStatement", "src": "4327:35:0" }, { "assignments": [ 45 ], "declarations": [ { "constant": false, "id": 45, "mutability": "mutable", "name": "initialSetup", "nameLocation": "4709:12:0", "nodeType": "VariableDeclaration", "scope": 106, "src": "4704:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 44, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4704:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "id": 51, "initialValue": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 50, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "id": 48, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 46, "name": "initialized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 40, "src": "4724:11:0", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 47, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4739:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "4724:16:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "id": 49, "name": "isTopLevelCall", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 34, "src": "4744:14:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "4724:34:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "VariableDeclarationStatement", "src": "4704:54:0" }, { "assignments": [ 53 ], "declarations": [ { "constant": false, "id": 53, "mutability": "mutable", "name": "construction", "nameLocation": "4773:12:0", "nodeType": "VariableDeclaration", "scope": 106, "src": "4768:17:0", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 52, "name": "bool", "nodeType": "ElementaryTypeName", "src": "4768:4:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" } ], "id": 66, "initialValue": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 65, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "commonType": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "id": 56, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 54, "name": "initialized", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 40, "src": "4788:11:0", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "31", "id": 55, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4803:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "src": "4788:16:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 64, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "expression": { "expression": { "arguments": [ { "id": 59, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967268, "src": "4816:4:0", "typeDescriptions": { "typeIdentifier": "t_contract$_Initializable_$267", "typeString": "contract Initializable" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Initializable_$267", "typeString": "contract Initializable" } ], "id": 58, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4808:7:0", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 57, "name": "address", "nodeType": "ElementaryTypeName", "src": "4808:7:0", "typeDescriptions": {} } }, "id": 60, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "nameLocations": [], "names": [], "nodeType": "FunctionCall", "src": "4808:13:0", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 61, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberLocation": "4822:4:0", "memberName": "code", "nodeType": "MemberAccess", "src": "4808:18:0", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 62, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberLocation": "4827:6:0", "memberName": "length", "nodeType": "MemberAccess", "src": "4808:25:0", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "hexValue": "30", "id": 63, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "4837:1:0", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "4808:30:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "4788:50:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "VariableDeclarationStatement", "src": "4768:70:0" }, { "condition": { "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 71, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 68, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "4853:13:0", "subExpression": { "id": 67, "name": "initialSetup", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 45, "src": "4854:12:0", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "id": 70,