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@return proxyAddress the address of the newly deployed contract.\n @dev Using `bytes12` for the salt saves 6 gas over using `uint96` (requires another shift).\n Will revert on fail." }, "id": 3733, "name": "StructuredDocumentation", "src": "249:653:18" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "target", "overrides": null, "scope": 3754, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 3734, "name": "ElementaryTypeName", "src": "932:7:18" } ], "id": 3735, "name": "VariableDeclaration", "src": "932:14:18" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "salt", "overrides": null, "scope": 3754, "stateVariable": false, "storageLocation": "default", "type": "bytes32", "value": null, "visibility": "internal" }, "children": [ { "attributes": { 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false, "isSlot": false, "src": "2235:12:18", "valueSize": 1 }, { "declaration": 3740, "isOffset": false, "isSlot": false, "src": "2339:12:18", "valueSize": 1 }, { "declaration": 3740, "isOffset": false, "isSlot": false, "src": "2441:12:18", "valueSize": 1 }, { "declaration": 3737, "isOffset": false, "isSlot": false, "src": "1794:4:18", "valueSize": 1 }, { "declaration": 3735, "isOffset": false, "isSlot": false, "src": "1347:6:18", "valueSize": 1 } ], "operations": "{\n let pointer := mload(0x40)\n mstore(pointer, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)\n mstore(add(pointer, 0x14), shl(96, target))\n mstore(add(pointer, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)\n let contractCodeHash := keccak256(pointer, 0x37)\n mstore(add(pointer, 0x100), salt)\n mstore(add(pointer, 0x40), 0xff00000000000000000000000000000000000000000000000000000000000000)\n mstore(add(pointer, 0x41), shl(96, address()))\n mstore(add(pointer, 0x55), mload(add(pointer, 0x100)))\n mstore(add(pointer, 0x75), contractCodeHash)\n proxyAddress := keccak256(add(pointer, 0x40), 0x55)\n switch extcodesize(proxyAddress)\n case 0 {\n proxyAddress := create2(0, pointer, 0x37, mload(add(pointer, 0x100)))\n }\n default { proxyAddress := 0 }\n}" }, "children": [], "id": 3742, "name": "InlineAssembly", "src": "1053:1419:18" }, { "children": [ { "attributes": { "argumentTypes": null, "isConstant": false, "isLValue": false, "isPure": false, "isStructConstructorCall": false, "lValueRequested": false, "names": [ null ], "tryCall": false, "type": "tuple()", "type_conversion": false }, "children": [ { "attributes": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_76ce64557a80c95a1320c50cbae5822a174534010f3ef3154270eeca62982be7", "typeString": "literal_string \"PROXY_DEPLOY_FAILED\"" } ], "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "type": "function (bool,string 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