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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0x14156aE5...2634c9Cf5 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
AppProxyPinned
Compiler Version
v0.4.24+commit.e67f0147
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2019-09-06 */ // File: contracts/common/UnstructuredStorage.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; library UnstructuredStorage { function getStorageBool(bytes32 position) internal view returns (bool data) { assembly { data := sload(position) } } function getStorageAddress(bytes32 position) internal view returns (address data) { assembly { data := sload(position) } } function getStorageBytes32(bytes32 position) internal view returns (bytes32 data) { assembly { data := sload(position) } } function getStorageUint256(bytes32 position) internal view returns (uint256 data) { assembly { data := sload(position) } } function setStorageBool(bytes32 position, bool data) internal { assembly { sstore(position, data) } } function setStorageAddress(bytes32 position, address data) internal { assembly { sstore(position, data) } } function setStorageBytes32(bytes32 position, bytes32 data) internal { assembly { sstore(position, data) } } function setStorageUint256(bytes32 position, uint256 data) internal { assembly { sstore(position, data) } } } // File: contracts/common/IsContract.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; contract IsContract { /* * NOTE: this should NEVER be used for authentication * (see pitfalls: https://github.com/fergarrui/ethereum-security/tree/master/contracts/extcodesize). * * This is only intended to be used as a sanity check that an address is actually a contract, * RATHER THAN an address not being a contract. */ function isContract(address _target) internal view returns (bool) { if (_target == address(0)) { return false; } uint256 size; assembly { size := extcodesize(_target) } return size > 0; } } // File: contracts/acl/IACL.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; interface IACL { function initialize(address permissionsCreator) external; // TODO: this should be external // See https://github.com/ethereum/solidity/issues/4832 function hasPermission(address who, address where, bytes32 what, bytes how) public view returns (bool); } // File: contracts/common/IVaultRecoverable.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; interface IVaultRecoverable { event RecoverToVault(address indexed vault, address indexed token, uint256 amount); function transferToVault(address token) external; function allowRecoverability(address token) external view returns (bool); function getRecoveryVault() external view returns (address); } // File: contracts/kernel/IKernel.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; interface IKernelEvents { event SetApp(bytes32 indexed namespace, bytes32 indexed appId, address app); } // This should be an interface, but interfaces can't inherit yet :( contract IKernel is IKernelEvents, IVaultRecoverable { function acl() public view returns (IACL); function hasPermission(address who, address where, bytes32 what, bytes how) public view returns (bool); function setApp(bytes32 namespace, bytes32 appId, address app) public; function getApp(bytes32 namespace, bytes32 appId) public view returns (address); } // File: contracts/apps/AppStorage.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; contract AppStorage { using UnstructuredStorage for bytes32; /* Hardcoded constants to save gas bytes32 internal constant KERNEL_POSITION = keccak256("aragonOS.appStorage.kernel"); bytes32 internal constant APP_ID_POSITION = keccak256("aragonOS.appStorage.appId"); */ bytes32 internal constant KERNEL_POSITION = 0x4172f0f7d2289153072b0a6ca36959e0cbe2efc3afe50fc81636caa96338137b; bytes32 internal constant APP_ID_POSITION = 0xd625496217aa6a3453eecb9c3489dc5a53e6c67b444329ea2b2cbc9ff547639b; function kernel() public view returns (IKernel) { return IKernel(KERNEL_POSITION.getStorageAddress()); } function appId() public view returns (bytes32) { return APP_ID_POSITION.getStorageBytes32(); } function setKernel(IKernel _kernel) internal { KERNEL_POSITION.setStorageAddress(address(_kernel)); } function setAppId(bytes32 _appId) internal { APP_ID_POSITION.setStorageBytes32(_appId); } } // File: contracts/lib/misc/ERCProxy.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; contract ERCProxy { uint256 internal constant FORWARDING = 1; uint256 internal constant UPGRADEABLE = 2; function proxyType() public pure returns (uint256 proxyTypeId); function implementation() public view returns (address codeAddr); } // File: contracts/common/DelegateProxy.sol pragma solidity 0.4.24; contract DelegateProxy is ERCProxy, IsContract { uint256 internal constant FWD_GAS_LIMIT = 10000; /** * @dev Performs a delegatecall and returns whatever the delegatecall returned (entire context execution will return!) * @param _dst Destination address to perform the delegatecall * @param _calldata Calldata for the delegatecall */ function delegatedFwd(address _dst, bytes _calldata) internal { require(isContract(_dst)); uint256 fwdGasLimit = FWD_GAS_LIMIT; assembly { let result := delegatecall(sub(gas, fwdGasLimit), _dst, add(_calldata, 0x20), mload(_calldata), 0, 0) let size := returndatasize let ptr := mload(0x40) returndatacopy(ptr, 0, size) // revert instead of invalid() bc if the underlying call failed with invalid() it already wasted gas. // if the call returned error data, forward it switch result case 0 { revert(ptr, size) } default { return(ptr, size) } } } } // File: contracts/common/DepositableStorage.sol pragma solidity 0.4.24; contract DepositableStorage { using UnstructuredStorage for bytes32; // keccak256("aragonOS.depositableStorage.depositable") bytes32 internal constant DEPOSITABLE_POSITION = 0x665fd576fbbe6f247aff98f5c94a561e3f71ec2d3c988d56f12d342396c50cea; function isDepositable() public view returns (bool) { return DEPOSITABLE_POSITION.getStorageBool(); } function setDepositable(bool _depositable) internal { DEPOSITABLE_POSITION.setStorageBool(_depositable); } } // File: contracts/common/DepositableDelegateProxy.sol pragma solidity 0.4.24; contract DepositableDelegateProxy is DepositableStorage, DelegateProxy { event ProxyDeposit(address sender, uint256 value); function () external payable { uint256 forwardGasThreshold = FWD_GAS_LIMIT; bytes32 isDepositablePosition = DEPOSITABLE_POSITION; // Optimized assembly implementation to prevent EIP-1884 from breaking deposits, reference code in Solidity: // https://github.com/aragon/aragonOS/blob/v4.2.1/contracts/common/DepositableDelegateProxy.sol#L10-L20 assembly { // Continue only if the gas left is lower than the threshold for forwarding to the implementation code, // otherwise continue outside of the assembly block. if lt(gas, forwardGasThreshold) { // Only accept the deposit and emit an event if all of the following are true: // the proxy accepts deposits (isDepositable), msg.data.length == 0, and msg.value > 0 if and(and(sload(isDepositablePosition), iszero(calldatasize)), gt(callvalue, 0)) { // Equivalent Solidity code for emitting the event: // emit ProxyDeposit(msg.sender, msg.value); let logData := mload(0x40) // free memory pointer mstore(logData, caller) // add 'msg.sender' to the log data (first event param) mstore(add(logData, 0x20), callvalue) // add 'msg.value' to the log data (second event param) // Emit an event with one topic to identify the event: keccak256('ProxyDeposit(address,uint256)') = 0x15ee...dee1 log1(logData, 0x40, 0x15eeaa57c7bd188c1388020bcadc2c436ec60d647d36ef5b9eb3c742217ddee1) stop() // Stop. Exits execution context } // If any of above checks failed, revert the execution (if ETH was sent, it is returned to the sender) revert(0, 0) } } address target = implementation(); delegatedFwd(target, msg.data); } } // File: contracts/kernel/KernelConstants.sol /* * SPDX-License-Identitifer: MIT */ pragma solidity ^0.4.24; contract KernelAppIds { /* Hardcoded constants to save gas bytes32 internal constant KERNEL_CORE_APP_ID = apmNamehash("kernel"); bytes32 internal constant KERNEL_DEFAULT_ACL_APP_ID = apmNamehash("acl"); bytes32 internal constant KERNEL_DEFAULT_VAULT_APP_ID = apmNamehash("vault"); */ bytes32 internal constant KERNEL_CORE_APP_ID = 0x3b4bf6bf3ad5000ecf0f989d5befde585c6860fea3e574a4fab4c49d1c177d9c; bytes32 internal constant KERNEL_DEFAULT_ACL_APP_ID = 0xe3262375f45a6e2026b7e7b18c2b807434f2508fe1a2a3dfb493c7df8f4aad6a; bytes32 internal constant KERNEL_DEFAULT_VAULT_APP_ID = 0x7e852e0fcfce6551c13800f1e7476f982525c2b5277ba14b24339c68416336d1; } contract KernelNamespaceConstants { /* Hardcoded constants to save gas bytes32 internal constant KERNEL_CORE_NAMESPACE = keccak256("core"); bytes32 internal constant KERNEL_APP_BASES_NAMESPACE = keccak256("base"); bytes32 internal constant KERNEL_APP_ADDR_NAMESPACE = keccak256("app"); */ bytes32 internal constant KERNEL_CORE_NAMESPACE = 0xc681a85306374a5ab27f0bbc385296a54bcd314a1948b6cf61c4ea1bc44bb9f8; bytes32 internal constant KERNEL_APP_BASES_NAMESPACE = 0xf1f3eb40f5bc1ad1344716ced8b8a0431d840b5783aea1fd01786bc26f35ac0f; bytes32 internal constant KERNEL_APP_ADDR_NAMESPACE = 0xd6f028ca0e8edb4a8c9757ca4fdccab25fa1e0317da1188108f7d2dee14902fb; } // File: contracts/apps/AppProxyBase.sol pragma solidity 0.4.24; contract AppProxyBase is AppStorage, DepositableDelegateProxy, KernelNamespaceConstants { /** * @dev Initialize AppProxy * @param _kernel Reference to organization kernel for the app * @param _appId Identifier for app * @param _initializePayload Payload for call to be made after setup to initialize */ constructor(IKernel _kernel, bytes32 _appId, bytes _initializePayload) public { setKernel(_kernel); setAppId(_appId); // Implicit check that kernel is actually a Kernel // The EVM doesn't actually provide a way for us to make sure, but we can force a revert to // occur if the kernel is set to 0x0 or a non-code address when we try to call a method on // it. address appCode = getAppBase(_appId); // If initialize payload is provided, it will be executed if (_initializePayload.length > 0) { require(isContract(appCode)); // Cannot make delegatecall as a delegateproxy.delegatedFwd as it // returns ending execution context and halts contract deployment require(appCode.delegatecall(_initializePayload)); } } function getAppBase(bytes32 _appId) internal view returns (address) { return kernel().getApp(KERNEL_APP_BASES_NAMESPACE, _appId); } } // File: contracts/apps/AppProxyPinned.sol pragma solidity 0.4.24; contract AppProxyPinned is IsContract, AppProxyBase { using UnstructuredStorage for bytes32; // keccak256("aragonOS.appStorage.pinnedCode") bytes32 internal constant PINNED_CODE_POSITION = 0xdee64df20d65e53d7f51cb6ab6d921a0a6a638a91e942e1d8d02df28e31c038e; /** * @dev Initialize AppProxyPinned (makes it an un-upgradeable Aragon app) * @param _kernel Reference to organization kernel for the app * @param _appId Identifier for app * @param _initializePayload Payload for call to be made after setup to initialize */ constructor(IKernel _kernel, bytes32 _appId, bytes _initializePayload) AppProxyBase(_kernel, _appId, _initializePayload) public // solium-disable-line visibility-first { setPinnedCode(getAppBase(_appId)); require(isContract(pinnedCode())); } /** * @dev ERC897, the address the proxy would delegate calls to */ function implementation() public view returns (address) { return pinnedCode(); } /** * @dev ERC897, whether it is a forwarding (1) or an upgradeable (2) proxy */ function proxyType() public pure returns (uint256 proxyTypeId) { return FORWARDING; } function setPinnedCode(address _pinnedCode) internal { PINNED_CODE_POSITION.setStorageAddress(_pinnedCode); } function pinnedCode() internal view returns (address) { return PINNED_CODE_POSITION.getStorageAddress(); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"constant":true,"inputs":[],"name":"proxyType","outputs":[{"name":"proxyTypeId","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"isDepositable","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"appId","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kernel","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_kernel","type":"address"},{"name":"_appId","type":"bytes32"},{"name":"_initializePayload","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"ProxyDeposit","type":"event"}]
Deployed Bytecode
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Deployed Bytecode Sourcemap
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Swarm Source
bzzr://8e4d76df82787202d9fe2d6023d7c09fb15aa5b8ba02d00fbb0877f4c317912a
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