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"source": "// SPDX-License-Identifier: LGPL-3.0-only\npragma solidity ^0.7.0;\nimport \"../StorageAccessible.sol\";\n\ncontract StorageAccessibleWrapper is StorageAccessible {\n struct FooBar {\n uint256 foo;\n uint256 bar;\n }\n\n uint8 public constant SLOT_FOO = 0;\n uint8 public constant SLOT_BAR = 1;\n uint8 public constant SLOT_BAM = 1;\n uint8 public constant SLOT_BAZ = 2;\n uint8 public constant SLOT_QUX = 3;\n uint8 public constant SLOT_FOOBAR = 4;\n\n uint256 foo;\n uint128 bar;\n uint64 bam;\n uint256[] baz;\n mapping(uint256 => uint256) qux;\n FooBar foobar;\n\n constructor() {}\n\n function setFoo(uint256 foo_) public {\n foo = foo_;\n }\n\n function setBar(uint128 bar_) public {\n bar = bar_;\n }\n\n function setBam(uint64 bam_) public {\n bam = bam_;\n }\n\n function setBaz(uint256[] memory baz_) public {\n baz = baz_;\n }\n\n function setQuxKeyValue(uint256 key, uint256 value) public {\n qux[key] = value;\n }\n\n function setFoobar(uint256 foo_, uint256 bar_) public {\n foobar = FooBar({foo: foo_, bar: bar_});\n }\n}\n\n/**\n * Defines reader methods on StorageAccessibleWrapper that can be later executed\n * in the context of a previously deployed instance\n */\ncontract ExternalStorageReader {\n // Needs same storage layout as the contract it is reading from\n uint256 foo;\n\n function getFoo() public view returns (uint256) {\n return foo;\n }\n\n function setAndGetFoo(uint256 foo_) public returns (uint256) {\n foo = foo_;\n return foo;\n }\n\n function doRevert() public pure {\n revert();\n }\n\n function invokeDoRevertViaStorageAccessible(StorageAccessible target)\n public\n {\n target.simulateDelegatecall(\n address(this),\n abi.encodeWithSignature(\"doRevert()\")\n );\n }\n\n function invokeStaticDelegatecall(\n ViewStorageAccessible target,\n bytes calldata encodedCall\n ) public view returns (uint256) {\n uint256 result = abi.decode(\n target.simulateDelegatecall(address(this), encodedCall),\n (uint256)\n );\n return result;\n }\n}\n", "sourcePath": "/Users/bensniff/Projects/gnosis/util-contracts/contracts/test/StorageAccessibleWrapper.sol", "ast": { "absolutePath": "/Users/bensniff/Projects/gnosis/util-contracts/contracts/test/StorageAccessibleWrapper.sol", "exportedSymbols": { "ExternalStorageReader": [ 2102 ], "StorageAccessible": [ 1833 ], "StorageAccessibleWrapper": [ 2021 ], "ViewStorageAccessible": [ 1681 ] }, "id": 2103, "license": "LGPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 1905, "literals": [ "solidity", "^", "0.7", ".0" ], "nodeType": "PragmaDirective", "src": "42:23:8" }, { "absolutePath": "/Users/bensniff/Projects/gnosis/util-contracts/contracts/StorageAccessible.sol", "file": "../StorageAccessible.sol", "id": 1906, "nodeType": "ImportDirective", "scope": 2103, "sourceUnit": 1834, "src": "66:34:8", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 1907, "name": "StorageAccessible", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 1833, "src": "139:17:8", "typeDescriptions": { "typeIdentifier": "t_contract$_StorageAccessible_$1833", "typeString": "contract StorageAccessible" } }, "id": 1908, "nodeType": "InheritanceSpecifier", "src": "139:17:8" } ], "contractDependencies": [ 1833 ], "contractKind": "contract", "fullyImplemented": true, "id": 2021, "linearizedBaseContracts": [ 2021, 1833 ], "name": "StorageAccessibleWrapper", "nodeType": "ContractDefinition", "nodes": [ { "canonicalName": "StorageAccessibleWrapper.FooBar", "id": 1913, "members": [ { "constant": false, "id": 1910, "mutability": "mutable", "name": "foo", "nodeType": "VariableDeclaration", "scope": 1913, "src": "187:11:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1909, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "187:7:8", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 1912, "mutability": "mutable", "name": "bar", "nodeType": "VariableDeclaration", "scope": 1913, "src": "208:11:8", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 1911, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "208:7:8", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "name": "FooBar", "nodeType": "StructDefinition", "scope": 2021, "src": "163:63:8", "visibility": "public" }, { "constant": true, "functionSelector": "4e78b547", "id": 1916, "mutability": "constant", "name": "SLOT_FOO", "nodeType": "VariableDeclaration", "scope": 2021, "src": "232:34:8", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1914, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "232:5:8", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "30", "id": 1915, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "265:1:8", "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "visibility": "public" }, { "constant": true, "functionSelector": "6334bd13", "id": 1919, "mutability": "constant", "name": "SLOT_BAR", "nodeType": "VariableDeclaration", "scope": 2021, "src": "272:34:8", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1917, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "272:5:8", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "31", "id": 1918, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "305:1:8", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "visibility": "public" }, { "constant": true, "functionSelector": "9fde4466", "id": 1922, "mutability": "constant", "name": "SLOT_BAM", "nodeType": "VariableDeclaration", "scope": 2021, "src": "312:34:8", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1920, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "312:5:8", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "31", "id": 1921, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "345:1:8", "typeDescriptions": { "typeIdentifier": "t_rational_1_by_1", "typeString": "int_const 1" }, "value": "1" }, "visibility": "public" }, { "constant": true, "functionSelector": "0697a74f", "id": 1925, "mutability": "constant", "name": "SLOT_BAZ", "nodeType": "VariableDeclaration", "scope": 2021, "src": "352:34:8", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1923, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "352:5:8", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "32", "id": 1924, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "385:1:8", "typeDescriptions": { "typeIdentifier": "t_rational_2_by_1", "typeString": "int_const 2" }, "value": "2" }, "visibility": "public" }, { "constant": true, "functionSelector": "7a5d379b", "id": 1928, "mutability": "constant", "name": "SLOT_QUX", "nodeType": "VariableDeclaration", "scope": 2021, "src": "392:34:8", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1926, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "392:5:8", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": { "hexValue": "33", "id": 1927, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "425:1:8", "typeDescriptions": { "typeIdentifier": "t_rational_3_by_1", "typeString": "int_const 3" }, "value": "3" }, "visibility": "public" }, { "constant": true, "functionSelector": "dc0f3490", "id": 1931, "mutability": "constant", "name": "SLOT_FOOBAR", "nodeType": "VariableDeclaration", "scope": 2021, "src": "432:37:8", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 1929, "name": "uint8", "nodeType": 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