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"returnParameters": { "id": 46498, "nodeType": "ParameterList", "parameters": [], "src": "2055:0:78" }, "scope": 46642, "stateMutability": "payable", "virtual": false, "visibility": "public" }, { "id": 46545, "nodeType": "FunctionDefinition", "src": "2918:56:78", "body": { "id": 46544, "nodeType": "Block", "src": "2946:28:78", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 46541, "name": "_fallback", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46584, "src": "2956:9:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 46542, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2956:11:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 46543, "nodeType": "ExpressionStatement", "src": "2956:11:78" } ] }, "documentation": { "id": 46538, "nodeType": "StructuredDocumentation", "src": "2760:153:78", "text": " @notice Forwards all calls with data to _fallback()\n No public functions are declared on the contract, so all calls hit fallback" }, "implemented": true, "kind": "fallback", "modifiers": [], "name": "", "parameters": { "id": 46539, "nodeType": "ParameterList", "parameters": [], "src": "2926:2:78" }, "returnParameters": { "id": 46540, "nodeType": "ParameterList", "parameters": [], "src": "2946:0:78" }, "scope": 46642, "stateMutability": "payable", "virtual": false, "visibility": "external" }, { "id": 46553, "nodeType": "FunctionDefinition", "src": "3058:55:78", "body": { "id": 46552, "nodeType": "Block", "src": "3085:28:78", "statements": [ { "expression": { "arguments": [], "expression": { "argumentTypes": [], "id": 46549, "name": "_fallback", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46584, "src": "3095:9:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$__$returns$__$", "typeString": "function ()" } }, "id": 46550, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3095:11:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 46551, "nodeType": "ExpressionStatement", "src": "3095:11:78" } ] }, "documentation": { "id": 46546, "nodeType": "StructuredDocumentation", "src": "2980:73:78", "text": " @notice Forwards all calls with no data to _fallback()" }, "implemented": true, "kind": "receive", "modifiers": [], "name": "", "parameters": { "id": 46547, "nodeType": "ParameterList", "parameters": [], "src": "3065:2:78" }, "returnParameters": { "id": 46548, "nodeType": "ParameterList", "parameters": [], "src": "3085:0:78" }, "scope": 46642, "stateMutability": "payable", "virtual": false, "visibility": "external" }, { "id": 46574, "nodeType": "FunctionDefinition", "src": "3562:534:78", "body": { "id": 46573, "nodeType": "Block", "src": "3676:420:78", "statements": [ { "assignments": [ 46562, null ], "declarations": [ { "constant": false, "id": 46562, "mutability": "mutable", "name": "_ok", "nodeType": "VariableDeclaration", "scope": 46573, "src": "3771:8:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 46561, "name": "bool", "nodeType": "ElementaryTypeName", "src": "3771:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, null ], "id": 46567, "initialValue": { "arguments": [ { "id": 46565, "name": "_initializationCalldata", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46558, "src": "3814:23:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "expression": { "id": 46563, "name": "_implementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46556, "src": "3785:15:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 46564, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "delegatecall", "nodeType": "MemberAccess", "src": "3785:28:78", "typeDescriptions": { "typeIdentifier": "t_function_baredelegatecall_nonpayable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) returns (bool,bytes memory)" } }, "id": 46566, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3785:53:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "3770:68:78" }, { "condition": { "id": 46569, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "3937:4:78", "subExpression": { "id": 46568, "name": "_ok", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46562, "src": "3938:3:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 46572, "nodeType": "IfStatement", "src": "3933:157:78", "trueBody": { "id": 46571, "nodeType": "Block", "src": "3943:147:78", "statements": [ { "AST": { "nodeType": "YulBlock", "src": "3966:114:78", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "3999:1:78", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "4002:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "returndatasize", "nodeType": "YulIdentifier", "src": "4005:14:78" }, "nodeType": "YulFunctionCall", "src": "4005:16:78" } ], "functionName": { "name": "returndatacopy", "nodeType": "YulIdentifier", "src": "3984:14:78" }, "nodeType": "YulFunctionCall", "src": "3984:38:78" }, "nodeType": "YulExpressionStatement", "src": "3984:38:78" }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "4046:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "returndatasize", "nodeType": "YulIdentifier", "src": "4049:14:78" }, "nodeType": "YulFunctionCall", "src": "4049:16:78" } ], "functionName": { "name": "revert", "nodeType": "YulIdentifier", "src": "4039:6:78" }, "nodeType": "YulFunctionCall", "src": "4039:27:78" }, "nodeType": "YulExpressionStatement", "src": "4039:27:78" } ] }, "evmVersion": "istanbul", "externalReferences": [], "id": 46570, "nodeType": "InlineAssembly", "src": "3957:123:78" } ] } } ] }, "documentation": { "id": 46554, "nodeType": "StructuredDocumentation", "src": "3171:386:78", "text": " @notice Call the initialization function on the implementation\n Used at deployment to initialize the proxy\n based on the logic for initialization defined at the implementation\n @param _implementation - Contract to which the initalization is delegated\n @param _initializationCalldata - Calldata supplied when calling the initialization function" }, "implemented": true, "kind": "function", "modifiers": [], "name": "_initialize", "parameters": { "id": 46559, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 46556, "mutability": "mutable", "name": "_implementation", "nodeType": "VariableDeclaration", "scope": 46574, "src": "3592:23:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 46555, "name": "address", "nodeType": "ElementaryTypeName", "src": "3592:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 46558, "mutability": "mutable", "name": "_initializationCalldata", "nodeType": "VariableDeclaration", "scope": 46574, "src": "3625:36:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 46557, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3625:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "src": "3582:85:78" }, "returnParameters": { "id": 46560, "nodeType": "ParameterList", "parameters": [], "src": "3676:0:78" }, "scope": 46642, "stateMutability": "nonpayable", "virtual": false, "visibility": "private" }, { "id": 46584, "nodeType": "FunctionDefinition", "src": "4220:77:78", "body": { "id": 46583, "nodeType": "Block", "src": "4249:48:78", "statements": [ { "expression": { "arguments": [ { "arguments": [], "expression": { "argumentTypes": [], "id": 46579, "name": "_getImplementation", "nodeType": "Identifier", "overloadedDeclarations": [ 46605, 46641 ], "referencedDeclaration": 46605, "src": "4269:18:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$__$returns$_t_address_$", "typeString": "function () view returns (address)" } }, "id": 46580, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4269:20:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 46578, "name": "_delegate", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46592, "src": "4259:9:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$returns$__$", "typeString": "function (address)" } }, "id": 46581, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4259:31:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 46582, "nodeType": "ExpressionStatement", "src": "4259:31:78" } ] }, "documentation": { "id": 46575, "nodeType": "StructuredDocumentation", "src": "4102:113:78", "text": " @notice Delegates function calls to the implementation contract returned by the Upgrade Beacon" }, "implemented": true, "kind": "function", "modifiers": [], "name": "_fallback", "parameters": { "id": 46576, "nodeType": "ParameterList", "parameters": [], "src": "4238:2:78" }, "returnParameters": { "id": 46577, "nodeType": "ParameterList", "parameters": [], "src": "4249:0:78" }, "scope": 46642, "stateMutability": "nonpayable", "virtual": false, "visibility": "private" }, { "id": 46592, "nodeType": "FunctionDefinition", "src": "4736:1065:78", "body": { "id": 46591, "nodeType": "Block", "src": "4788:1013:78", "statements": [ { "AST": { "nodeType": "YulBlock", "src": "4807:988:78", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "5060:1:78", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5063:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "calldatasize", "nodeType": "YulIdentifier", "src": "5066:12:78" }, "nodeType": "YulFunctionCall", "src": "5066:14:78" } ], "functionName": { "name": "calldatacopy", "nodeType": "YulIdentifier", "src": "5047:12:78" }, "nodeType": "YulFunctionCall", "src": "5047:34:78" }, "nodeType": "YulExpressionStatement", "src": "5047:34:78" }, { "nodeType": "YulVariableDeclaration", "src": "5254:185:78", "value": { "arguments": [ { "arguments": [], "functionName": { "name": "gas", "nodeType": "YulIdentifier", "src": "5298:3:78" }, "nodeType": "YulFunctionCall", "src": "5298:5:78" }, { "name": "_implementation", "nodeType": "YulIdentifier", "src": "5321:15:78" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5354:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "calldatasize", "nodeType": "YulIdentifier", "src": "5373:12:78" }, "nodeType": "YulFunctionCall", "src": "5373:14:78" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5405:1:78", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5424:1:78", "type": "", "value": "0" } ], "functionName": { "name": "delegatecall", "nodeType": "YulIdentifier", "src": "5268:12:78" }, "nodeType": "YulFunctionCall", "src": "5268:171:78" }, "variables": [ { "name": "result", "nodeType": "YulTypedName", "src": "5258:6:78", "type": "" } ] }, { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "5529:1:78", "type": "", "value": "0" }, { "kind": "number", "nodeType": "YulLiteral", "src": "5532:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "returndatasize", "nodeType": "YulIdentifier", "src": "5535:14:78" }, "nodeType": "YulFunctionCall", "src": "5535:16:78" } ], "functionName": { "name": "returndatacopy", "nodeType": "YulIdentifier", "src": "5514:14:78" }, "nodeType": "YulFunctionCall", "src": "5514:38:78" }, "nodeType": "YulExpressionStatement", "src": "5514:38:78" }, { "cases": [ { "body": { "nodeType": "YulBlock", "src": "5646:59:78", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "5671:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "returndatasize", "nodeType": "YulIdentifier", "src": "5674:14:78" }, "nodeType": "YulFunctionCall", "src": "5674:16:78" } ], "functionName": { "name": "revert", "nodeType": "YulIdentifier", "src": "5664:6:78" }, "nodeType": "YulFunctionCall", "src": "5664:27:78" }, "nodeType": "YulExpressionStatement", "src": "5664:27:78" } ] }, "nodeType": "YulCase", "src": "5639:66:78", "value": { "kind": "number", "nodeType": "YulLiteral", "src": "5644:1:78", "type": "", "value": "0" } }, { "body": { "nodeType": "YulBlock", "src": "5726:59:78", "statements": [ { "expression": { "arguments": [ { "kind": "number", "nodeType": "YulLiteral", "src": "5751:1:78", "type": "", "value": "0" }, { "arguments": [], "functionName": { "name": "returndatasize", "nodeType": "YulIdentifier", "src": "5754:14:78" }, "nodeType": "YulFunctionCall", "src": "5754:16:78" } ], "functionName": { "name": "return", "nodeType": "YulIdentifier", "src": "5744:6:78" }, "nodeType": "YulFunctionCall", "src": "5744:27:78" }, "nodeType": "YulExpressionStatement", "src": "5744:27:78" } ] }, "nodeType": "YulCase", "src": "5718:67:78", "value": "default" } ], "expression": { "name": "result", "nodeType": "YulIdentifier", "src": "5572:6:78" }, "nodeType": "YulSwitch", "src": "5565:220:78" } ] }, "evmVersion": "istanbul", "externalReferences": [ { "declaration": 46587, "isOffset": false, "isSlot": false, "src": "5321:15:78", "valueSize": 1 } ], "id": 46590, "nodeType": "InlineAssembly", "src": "4798:997:78" } ] }, "documentation": { "id": 46585, "nodeType": "StructuredDocumentation", "src": "4303:428:78", "text": " @notice Delegate function execution to the implementation contract\n @dev This is a low level function that doesn't return to its internal\n call site. It will return whatever is returned by the implementation to the\n external caller, reverting and returning the revert data if implementation\n reverts.\n @param _implementation - Address to which the function execution is delegated" }, "implemented": true, "kind": "function", "modifiers": [], "name": "_delegate", "parameters": { "id": 46588, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 46587, "mutability": "mutable", "name": "_implementation", "nodeType": "VariableDeclaration", "scope": 46592, "src": "4755:23:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 46586, "name": "address", "nodeType": "ElementaryTypeName", "src": "4755:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "4754:25:78" }, "returnParameters": { "id": 46589, "nodeType": "ParameterList", "parameters": [], "src": "4788:0:78" }, "scope": 46642, "stateMutability": "nonpayable", "virtual": false, "visibility": "private" }, { "id": 46605, "nodeType": "FunctionDefinition", "src": "5983:173:78", "body": { "id": 46604, "nodeType": "Block", "src": "6088:68:78", "statements": [ { "expression": { "id": 46602, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 46598, "name": "_implementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46596, "src": "6098:15:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 46600, "name": "upgradeBeacon", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46491, "src": "6135:13:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 46599, "name": "_getImplementation", "nodeType": "Identifier", "overloadedDeclarations": [ 46605, 46641 ], "referencedDeclaration": 46641, "src": "6116:18:78", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_address_$returns$_t_address_$", "typeString": "function (address) view returns (address)" } }, "id": 46601, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6116:33:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "6098:51:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 46603, "nodeType": "ExpressionStatement", "src": "6098:51:78" } ] }, "documentation": { "id": 46593, "nodeType": "StructuredDocumentation", "src": "5807:171:78", "text": " @notice Call the Upgrade Beacon to get the current implementation contract address\n @return _implementation Address of the current implementation." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_getImplementation", "parameters": { "id": 46594, "nodeType": "ParameterList", "parameters": [], "src": "6010:2:78" }, "returnParameters": { "id": 46597, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 46596, "mutability": "mutable", "name": "_implementation", "nodeType": "VariableDeclaration", "scope": 46605, "src": "6059:23:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 46595, "name": "address", "nodeType": "ElementaryTypeName", "src": "6059:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "6058:25:78" }, "scope": 46642, "stateMutability": "view", "virtual": false, "visibility": "private" }, { "id": 46641, "nodeType": "FunctionDefinition", "src": "6598:558:78", "body": { "id": 46640, "nodeType": "Block", "src": "6725:431:78", "statements": [ { "assignments": [ 46614, 46616 ], "declarations": [ { "constant": false, "id": 46614, "mutability": "mutable", "name": "_ok", "nodeType": "VariableDeclaration", "scope": 46640, "src": "6811:8:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 46613, "name": "bool", "nodeType": "ElementaryTypeName", "src": "6811:4:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "visibility": "internal" }, { "constant": false, "id": 46616, "mutability": "mutable", "name": "_returnData", "nodeType": "VariableDeclaration", "scope": 46640, "src": "6821:24:78", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 46615, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "6821:5:78", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "visibility": "internal" } ], "id": 46621, "initialValue": { "arguments": [ { "hexValue": "", "id": 46619, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "6875:2:78", "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" }, "value": "" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "expression": { "id": 46617, "name": "_upgradeBeacon", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46608, "src": "6849:14:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 46618, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "staticcall", "nodeType": "MemberAccess", "src": "6849:25:78", "typeDescriptions": { "typeIdentifier": "t_function_barestaticcall_view$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) view returns (bool,bytes memory)" } }, "id": 46620, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6849:29:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "6810:68:78" }, { "expression": { "arguments": [ { "id": 46623, "name": "_ok", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46614, "src": "6979:3:78", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "arguments": [ { "id": 46626, "name": "_returnData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46616, "src": "6991:11:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } ], "id": 46625, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "6984:6:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_string_storage_ptr_$", "typeString": "type(string storage pointer)" }, "typeName": { "id": 46624, "name": "string", "nodeType": "ElementaryTypeName", "src": "6984:6:78", "typeDescriptions": {} } }, "id": 46627, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6984:19:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 46622, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "6971:7:78", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 46628, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "6971:33:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 46629, "nodeType": "ExpressionStatement", "src": "6971:33:78" }, { "expression": { "id": 46638, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "id": 46630, "name": "_implementation", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46611, "src": "7097:15:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "arguments": [ { "id": 46633, "name": "_returnData", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 46616, "src": "7126:11:78", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "components": [ { "id": 46635, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "7140:7:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 46634, "name": "address", "nodeType": "ElementaryTypeName", "src": "7140:7:78", "typeDescriptions": {} } } ], "id": 46636, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "TupleExpression", "src": "7139:9:78", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" } ], "expression": { "id": 46631, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -1, "src": "7115:3:78", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 46632, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "decode", "nodeType": "MemberAccess", "src": "7115:10:78", "typeDescriptions": { "typeIdentifier": "t_function_abidecode_pure$__$returns$__$", "typeString": "function () pure" } }, "id": 46637, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "7115:34:78", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "7097:52:78", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 46639, "nodeType": "ExpressionStatement", "src": "7097:52:78" } ] }, "documentation": { "id": 46606, "nodeType": "StructuredDocumentation", "src": "6162:431:78", "text": " @notice Call the Upgrade Beacon to get the current implementation contract address\n @dev _upgradeBeacon is passed as a parameter so that\n we can also use this function in the constructor,\n where we can't access immutable variables.\n @param _upgradeBeacon Address of the UpgradeBeacon storing the current implementation\n @return _implementation Address of the current implementation." }, "implemented": true, "kind": "function", "modifiers": [], "name": "_getImplementation", "parameters": { "id": 46609, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 46608, "mutability": "mutable", "name": "_upgradeBeacon", "nodeType": "VariableDeclaration", "scope": 46641, "src": "6626:22:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 46607, "name": "address", "nodeType": "ElementaryTypeName", "src": "6626:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "6625:24:78" }, "returnParameters": { "id": 46612, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 46611, "mutability": "mutable", "name": "_implementation", "nodeType": "VariableDeclaration", "scope": 46641, "src": "6696:23:78", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 46610, "name": "address", "nodeType": "ElementaryTypeName", "src": "6696:7:78", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "src": "6695:25:78" }, "scope": 46642, "stateMutability": "view", "virtual": false, "visibility": "private" } ], "abstract": false, "baseContracts": [], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 46489, "nodeType": "StructuredDocumentation", "src": "170:951:78", "text": " @title UpgradeBeaconProxy\n @notice\n Proxy contract which delegates all logic, including initialization,\n to an implementation contract.\n The implementation contract is stored within an Upgrade Beacon contract;\n the implementation contract can be changed by performing an upgrade on the Upgrade Beacon contract.\n The Upgrade Beacon contract for this Proxy is immutably specified at deployment.\n @dev This implementation combines the gas savings of keeping the UpgradeBeacon address outside of contract storage\n found in 0age's implementation:\n https://github.com/dharma-eng/dharma-smart-wallet/blob/master/contracts/proxies/smart-wallet/UpgradeBeaconProxyV1.sol\n With the added safety checks that the UpgradeBeacon and implementation are contracts at time of deployment\n found in OpenZeppelin's implementation:\n https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/proxy/beacon/BeaconProxy.sol" }, "fullyImplemented": true, "linearizedBaseContracts": [ 46642 ], "name": "UpgradeBeaconProxy", "scope": 46643 } ], "license": "MIT" }, "id": 78 }