@vporton/future-contracts

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While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with GSN meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address payable) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes memory) {\n this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\n return msg.data;\n }\n}\n", "sourcePath": "@openzeppelin/contracts/GSN/Context.sol", "ast": { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "exportedSymbols": { "Context": [ 4324 ] }, "id": 4325, "license": "MIT", "nodeType": "SourceUnit", "nodes": [ { "id": 4303, "literals": [ 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"566:374:17" } ], "src": "33:908:17" }, "legacyAST": { "attributes": { "absolutePath": "@openzeppelin/contracts/GSN/Context.sol", "exportedSymbols": { "Context": [ 4324 ] }, "license": "MIT" }, "children": [ { "attributes": { "literals": [ "solidity", ">=", "0.6", ".0", "<", "0.8", ".0" ] }, "id": 4303, "name": "PragmaDirective", "src": "33:31:17" }, { "attributes": { "abstract": true, "baseContracts": [ null ], "contractDependencies": [ null ], "contractKind": "contract", "fullyImplemented": true, "linearizedBaseContracts": [ 4324 ], "name": "Context", "scope": 4325 }, "children": [ { "attributes": { "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "_msgSender", "scope": 4324, "stateMutability": "view", "virtual": true, "visibility": "internal" }, "children": [ { "attributes": { "parameters": [ null ] }, "children": [], "id": 4304, "name": "ParameterList", "src": "617:2:17" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "", "scope": 4312, "stateVariable": false, "storageLocation": "default", "type": "address payable", "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "payable", "type": "address payable" }, "id": 4305, "name": "ElementaryTypeName", "src": "651:15:17" } ], "id": 4306, "name": "VariableDeclaration", "src": "651:15:17" } ], "id": 4307, "name": "ParameterList", "src": "650:17:17" }, { "children": [ { "attributes": { "functionReturnParameters": 4307 }, "children": [ { "attributes": { "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "member_name": "sender", "type": "address payable" }, "children": [ { "attributes": { "overloadedDeclarations": [ null ], "referencedDeclaration": 4294967281, "type": "msg", "value": "msg" }, "id": 4308, "name": "Identifier", "src": "685:3:17" } ], "id": 4309, "name": "MemberAccess", "src": "685:10:17" } ], "id": 4310, "name": "Return", "src": 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"33:908:17" }, "compiler": { "name": "solc", "version": "0.7.6+commit.7338295f.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.4.1", "updatedAt": "2021-06-03T23:56:22.327Z", "devdoc": { "kind": "dev", "methods": {}, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }