1765 lines
78 KiB
JSON
1765 lines
78 KiB
JSON
{
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"source": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/Initializable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/Address.sol\";\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 * 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 initialize the implementation contract, you can either invoke the\n * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:\n *\n * [.hljs-theme-light.nopadding]\n * ```\n * /// @custom:oz-upgrades-unsafe-allow constructor\n * constructor() initializer {}\n * ```\n * ====\n */\nabstract contract Initializable {\n /**\n * @dev Indicates that the contract has been initialized.\n */\n bool private _initialized;\n\n /**\n * @dev Indicates that the contract is in the process of being initialized.\n */\n bool private _initializing;\n\n /**\n * @dev Modifier to protect an initializer function from being invoked twice.\n */\n modifier initializer() {\n // If the contract is initializing we ignore whether _initialized is set in order to support multiple\n // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the\n // contract may have been reentered.\n require(_initializing ? _isConstructor() : !_initialized, \"Initializable: contract is already initialized\");\n\n bool isTopLevelCall = !_initializing;\n if (isTopLevelCall) {\n _initializing = true;\n _initialized = true;\n }\n\n _;\n\n if (isTopLevelCall) {\n _initializing = false;\n }\n }\n\n /**\n * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n * {initializer} modifier, directly or indirectly.\n */\n modifier onlyInitializing() {\n require(_initializing, \"Initializable: contract is not initializing\");\n _;\n }\n\n function _isConstructor() private view returns (bool) {\n return !Address.isContract(address(this));\n }\n}\n",
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|
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"text": " @dev Modifier to protect an initialization function so that it can only be invoked by functions with the\n {initializer} modifier, directly or indirectly."
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},
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"id": 1323,
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"name": "onlyInitializing",
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"nameLocation": "2904:16:4",
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"nodeType": "ModifierDefinition",
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"parameters": {
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"id": 1315,
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"parameters": [],
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"src": "2920:2:4"
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},
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"src": "2895:125:4",
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"virtual": false,
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"visibility": "internal"
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},
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{
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"body": {
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"id": 1337,
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"nodeType": "Block",
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"src": "3080:58:4",
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"statements": [
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{
|
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"expression": {
|
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"id": 1335,
|
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"isConstant": false,
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"isLValue": false,
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"lValueRequested": false,
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"nodeType": "UnaryOperation",
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"operator": "!",
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"prefix": true,
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"src": "3097:34:4",
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"subExpression": {
|
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"arguments": [
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{
|
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"arguments": [
|
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{
|
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"id": 1332,
|
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"name": "this",
|
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"nodeType": "Identifier",
|
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"overloadedDeclarations": [],
|
|
"referencedDeclaration": 4294967268,
|
|
"src": "3125:4:4",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_contract$_Initializable_$1339",
|
|
"typeString": "contract Initializable"
|
|
}
|
|
}
|
|
],
|
|
"expression": {
|
|
"argumentTypes": [
|
|
{
|
|
"typeIdentifier": "t_contract$_Initializable_$1339",
|
|
"typeString": "contract Initializable"
|
|
}
|
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],
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"id": 1331,
|
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"isConstant": false,
|
|
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|
|
"isPure": true,
|
|
"lValueRequested": false,
|
|
"nodeType": "ElementaryTypeNameExpression",
|
|
"src": "3117:7:4",
|
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"typeDescriptions": {
|
|
"typeIdentifier": "t_type$_t_address_$",
|
|
"typeString": "type(address)"
|
|
},
|
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"typeName": {
|
|
"id": 1330,
|
|
"name": "address",
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|
"nodeType": "ElementaryTypeName",
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"src": "3117:7:4",
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"typeDescriptions": {}
|
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}
|
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},
|
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"id": 1333,
|
|
"isConstant": false,
|
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"isLValue": false,
|
|
"isPure": false,
|
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"kind": "typeConversion",
|
|
"lValueRequested": false,
|
|
"names": [],
|
|
"nodeType": "FunctionCall",
|
|
"src": "3117:13:4",
|
|
"tryCall": false,
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_address",
|
|
"typeString": "address"
|
|
}
|
|
}
|
|
],
|
|
"expression": {
|
|
"argumentTypes": [
|
|
{
|
|
"typeIdentifier": "t_address",
|
|
"typeString": "address"
|
|
}
|
|
],
|
|
"expression": {
|
|
"id": 1328,
|
|
"name": "Address",
|
|
"nodeType": "Identifier",
|
|
"overloadedDeclarations": [],
|
|
"referencedDeclaration": 5355,
|
|
"src": "3098:7:4",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_type$_t_contract$_Address_$5355_$",
|
|
"typeString": "type(library Address)"
|
|
}
|
|
},
|
|
"id": 1329,
|
|
"isConstant": false,
|
|
"isLValue": false,
|
|
"isPure": false,
|
|
"lValueRequested": false,
|
|
"memberName": "isContract",
|
|
"nodeType": "MemberAccess",
|
|
"referencedDeclaration": 5078,
|
|
"src": "3098:18:4",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_bool_$",
|
|
"typeString": "function (address) view returns (bool)"
|
|
}
|
|
},
|
|
"id": 1334,
|
|
"isConstant": false,
|
|
"isLValue": false,
|
|
"isPure": false,
|
|
"kind": "functionCall",
|
|
"lValueRequested": false,
|
|
"names": [],
|
|
"nodeType": "FunctionCall",
|
|
"src": "3098:33:4",
|
|
"tryCall": false,
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_bool",
|
|
"typeString": "bool"
|
|
}
|
|
},
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_bool",
|
|
"typeString": "bool"
|
|
}
|
|
},
|
|
"functionReturnParameters": 1327,
|
|
"id": 1336,
|
|
"nodeType": "Return",
|
|
"src": "3090:41:4"
|
|
}
|
|
]
|
|
},
|
|
"id": 1338,
|
|
"implemented": true,
|
|
"kind": "function",
|
|
"modifiers": [],
|
|
"name": "_isConstructor",
|
|
"nameLocation": "3035:14:4",
|
|
"nodeType": "FunctionDefinition",
|
|
"parameters": {
|
|
"id": 1324,
|
|
"nodeType": "ParameterList",
|
|
"parameters": [],
|
|
"src": "3049:2:4"
|
|
},
|
|
"returnParameters": {
|
|
"id": 1327,
|
|
"nodeType": "ParameterList",
|
|
"parameters": [
|
|
{
|
|
"constant": false,
|
|
"id": 1326,
|
|
"mutability": "mutable",
|
|
"name": "",
|
|
"nameLocation": "-1:-1:-1",
|
|
"nodeType": "VariableDeclaration",
|
|
"scope": 1338,
|
|
"src": "3074:4:4",
|
|
"stateVariable": false,
|
|
"storageLocation": "default",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_bool",
|
|
"typeString": "bool"
|
|
},
|
|
"typeName": {
|
|
"id": 1325,
|
|
"name": "bool",
|
|
"nodeType": "ElementaryTypeName",
|
|
"src": "3074:4:4",
|
|
"typeDescriptions": {
|
|
"typeIdentifier": "t_bool",
|
|
"typeString": "bool"
|
|
}
|
|
},
|
|
"visibility": "internal"
|
|
}
|
|
],
|
|
"src": "3073:6:4"
|
|
},
|
|
"scope": 1339,
|
|
"src": "3026:112:4",
|
|
"stateMutability": "view",
|
|
"virtual": false,
|
|
"visibility": "private"
|
|
}
|
|
],
|
|
"scope": 1340,
|
|
"src": "1671:1469:4",
|
|
"usedErrors": []
|
|
}
|
|
],
|
|
"src": "113:3028:4"
|
|
},
|
|
"compiler": {
|
|
"name": "solc",
|
|
"version": "0.8.10+commit.fc410830.Emscripten.clang"
|
|
},
|
|
"networks": {},
|
|
"schemaVersion": "3.4.4",
|
|
"updatedAt": "2022-08-17T06:09:48.075Z",
|
|
"devdoc": {
|
|
"custom:oz-upgrades-unsafe-allow": "constructor constructor() initializer {} ``` ====",
|
|
"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. 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 initialize the implementation contract, you can either invoke the initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed: [.hljs-theme-light.nopadding] ```",
|
|
"kind": "dev",
|
|
"methods": {},
|
|
"stateVariables": {
|
|
"_initialized": {
|
|
"details": "Indicates that the contract has been initialized."
|
|
},
|
|
"_initializing": {
|
|
"details": "Indicates that the contract is in the process of being initialized."
|
|
}
|
|
},
|
|
"version": 1
|
|
},
|
|
"userdoc": {
|
|
"kind": "user",
|
|
"methods": {},
|
|
"version": 1
|
|
}
|
|
} |