{ "contractName": "DelegateProxy", "abi": [], "bytecode": "0x60606040523415600e57600080fd5b603580601b6000396000f3006060604052600080fd00a165627a7a723058206d0fe350a230500c8d42b0961f3c9b9c7309033a29ded4037e675f40eec32d240029", "deployedBytecode": "0x6060604052600080fd00a165627a7a723058206d0fe350a230500c8d42b0961f3c9b9c7309033a29ded4037e675f40eec32d240029", "sourceMap": "26:1091:22:-;;;;;;;;;;;;;;;;;", "deployedSourceMap": "26:1091:22:-;;;;;", "source": "pragma solidity 0.4.18;\n\n\ncontract DelegateProxy {\n /**\n * @dev Performs a delegatecall and returns whatever the delegatecall returned (entire context execution will return!)\n * @param _dst Destination address to perform the delegatecall\n * @param _calldata Calldata for the delegatecall\n */\n function delegatedFwd(address _dst, bytes _calldata) internal {\n require(isContract(_dst));\n assembly {\n let result := delegatecall(sub(gas, 10000), _dst, add(_calldata, 0x20), mload(_calldata), 0, 0)\n let size := returndatasize\n\n let ptr := mload(0x40)\n returndatacopy(ptr, 0, size)\n\n // revert instead of invalid() bc if the underlying call failed with invalid() it already wasted gas.\n // if the call returned error data, forward it\n switch result case 0 { revert(ptr, size) }\n default { return(ptr, size) }\n }\n }\n\n function isContract(address _target) internal view returns (bool) {\n uint256 size;\n assembly { size := extcodesize(_target) }\n return size > 0;\n }\n}\n", "sourcePath": "@aragon/os/contracts/common/DelegateProxy.sol", "ast": { "attributes": { "absolutePath": "@aragon/os/contracts/common/DelegateProxy.sol", "exportedSymbols": { "DelegateProxy": [ 7015 ] } }, "children": [ { "attributes": { "literals": [ "solidity", "0.4", ".18" ] }, "id": 6983, "name": "PragmaDirective", "src": "0:23:22" }, { "attributes": { "baseContracts": [ null ], "contractDependencies": [ null ], "contractKind": "contract", "documentation": null, "fullyImplemented": true, "linearizedBaseContracts": [ 7015 ], "name": 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