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Latest 25 from a total of 38 transactions
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Grant Permission | 20733948 | 22 days ago | IN | 0 ETH | 0.00026634 | ||||
Grant Permission | 20733943 | 22 days ago | IN | 0 ETH | 0.00023042 | ||||
Grant Permission | 20733936 | 22 days ago | IN | 0 ETH | 0.00033579 | ||||
Grant Permission | 20733919 | 22 days ago | IN | 0 ETH | 0.00025578 | ||||
Grant Permission | 20733916 | 22 days ago | IN | 0 ETH | 0.00033699 | ||||
Grant Permission | 20733913 | 22 days ago | IN | 0 ETH | 0.00026211 | ||||
Grant Permission | 19820924 | 149 days ago | IN | 0 ETH | 0.00034714 | ||||
Revoke Permissio... | 19820921 | 149 days ago | IN | 0 ETH | 0.00023577 | ||||
Grant Permission | 19820918 | 149 days ago | IN | 0 ETH | 0.00032475 | ||||
Revoke Permissio... | 19820910 | 149 days ago | IN | 0 ETH | 0.00024478 | ||||
Grant Permission | 19820904 | 149 days ago | IN | 0 ETH | 0.00034642 | ||||
Revoke Permissio... | 19820902 | 149 days ago | IN | 0 ETH | 0.00020986 | ||||
Set Permission M... | 19739165 | 160 days ago | IN | 0 ETH | 0.00036512 | ||||
Set Permission M... | 19739162 | 160 days ago | IN | 0 ETH | 0.00040295 | ||||
Grant Permission | 19710735 | 164 days ago | IN | 0 ETH | 0.00074153 | ||||
Grant Permission | 19511287 | 192 days ago | IN | 0 ETH | 0.00123269 | ||||
Grant Permission | 19511271 | 192 days ago | IN | 0 ETH | 0.0014447 | ||||
Grant Permission | 19511221 | 192 days ago | IN | 0 ETH | 0.00139555 | ||||
Grant Permission | 19219664 | 233 days ago | IN | 0 ETH | 0.00455591 | ||||
Grant Permission | 19219257 | 233 days ago | IN | 0 ETH | 0.00208919 | ||||
Set Permission M... | 19215148 | 234 days ago | IN | 0 ETH | 0.00363859 | ||||
Grant Permission | 19119967 | 247 days ago | IN | 0 ETH | 0.00197002 | ||||
Grant Permission | 19119042 | 247 days ago | IN | 0 ETH | 0.00249978 | ||||
Grant Permission | 18762834 | 297 days ago | IN | 0 ETH | 0.00221413 | ||||
Grant Permission | 17244854 | 510 days ago | IN | 0 ETH | 0.0058254 |
Latest 1 internal transaction
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Parent Transaction Hash | Block | From | To | |||
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5254891 | 2395 days ago | Contract Creation | 0 ETH |
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Contract Name:
AppProxyUpgradeable
Compiler Version
v0.4.18+commit.9cf6e910
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2018-03-14 */ //File: contracts/lib/ens/AbstractENS.sol pragma solidity ^0.4.15; interface AbstractENS { function owner(bytes32 _node) constant returns (address); function resolver(bytes32 _node) constant returns (address); function ttl(bytes32 _node) constant returns (uint64); function setOwner(bytes32 _node, address _owner); function setSubnodeOwner(bytes32 _node, bytes32 label, address _owner); function setResolver(bytes32 _node, address _resolver); function setTTL(bytes32 _node, uint64 _ttl); // Logged when the owner of a node assigns a new owner to a subnode. event NewOwner(bytes32 indexed _node, bytes32 indexed _label, address _owner); // Logged when the owner of a node transfers ownership to a new account. event Transfer(bytes32 indexed _node, address _owner); // Logged when the resolver for a node changes. event NewResolver(bytes32 indexed _node, address _resolver); // Logged when the TTL of a node changes event NewTTL(bytes32 indexed _node, uint64 _ttl); } //File: contracts/lib/ens/PublicResolver.sol pragma solidity ^0.4.0; /** * A simple resolver anyone can use; only allows the owner of a node to set its * address. */ contract PublicResolver { bytes4 constant INTERFACE_META_ID = 0x01ffc9a7; bytes4 constant ADDR_INTERFACE_ID = 0x3b3b57de; bytes4 constant CONTENT_INTERFACE_ID = 0xd8389dc5; bytes4 constant NAME_INTERFACE_ID = 0x691f3431; bytes4 constant ABI_INTERFACE_ID = 0x2203ab56; bytes4 constant PUBKEY_INTERFACE_ID = 0xc8690233; bytes4 constant TEXT_INTERFACE_ID = 0x59d1d43c; event AddrChanged(bytes32 indexed node, address a); event ContentChanged(bytes32 indexed node, bytes32 hash); event NameChanged(bytes32 indexed node, string name); event ABIChanged(bytes32 indexed node, uint256 indexed contentType); event PubkeyChanged(bytes32 indexed node, bytes32 x, bytes32 y); event TextChanged(bytes32 indexed node, string indexed indexedKey, string key); struct PublicKey { bytes32 x; bytes32 y; } struct Record { address addr; bytes32 content; string name; PublicKey pubkey; mapping(string=>string) text; mapping(uint256=>bytes) abis; } AbstractENS ens; mapping(bytes32=>Record) records; modifier only_owner(bytes32 node) { if (ens.owner(node) != msg.sender) throw; _; } /** * Constructor. * @param ensAddr The ENS registrar contract. */ function PublicResolver(AbstractENS ensAddr) { ens = ensAddr; } /** * Returns true if the resolver implements the interface specified by the provided hash. * @param interfaceID The ID of the interface to check for. * @return True if the contract implements the requested interface. */ function supportsInterface(bytes4 interfaceID) constant returns (bool) { return interfaceID == ADDR_INTERFACE_ID || interfaceID == CONTENT_INTERFACE_ID || interfaceID == NAME_INTERFACE_ID || interfaceID == ABI_INTERFACE_ID || interfaceID == PUBKEY_INTERFACE_ID || interfaceID == TEXT_INTERFACE_ID || interfaceID == INTERFACE_META_ID; } /** * Returns the address associated with an ENS node. * @param node The ENS node to query. * @return The associated address. */ function addr(bytes32 node) constant returns (address ret) { ret = records[node].addr; } /** * Sets the address associated with an ENS node. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param addr The address to set. */ function setAddr(bytes32 node, address addr) only_owner(node) { records[node].addr = addr; AddrChanged(node, addr); } /** * Returns the content hash associated with an ENS node. * Note that this resource type is not standardized, and will likely change * in future to a resource type based on multihash. * @param node The ENS node to query. * @return The associated content hash. */ function content(bytes32 node) constant returns (bytes32 ret) { ret = records[node].content; } /** * Sets the content hash associated with an ENS node. * May only be called by the owner of that node in the ENS registry. * Note that this resource type is not standardized, and will likely change * in future to a resource type based on multihash. * @param node The node to update. * @param hash The content hash to set */ function setContent(bytes32 node, bytes32 hash) only_owner(node) { records[node].content = hash; ContentChanged(node, hash); } /** * Returns the name associated with an ENS node, for reverse records. * Defined in EIP181. * @param node The ENS node to query. * @return The associated name. */ function name(bytes32 node) constant returns (string ret) { ret = records[node].name; } /** * Sets the name associated with an ENS node, for reverse records. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param name The name to set. */ function setName(bytes32 node, string name) only_owner(node) { records[node].name = name; NameChanged(node, name); } /** * Returns the ABI associated with an ENS node. * Defined in EIP205. * @param node The ENS node to query * @param contentTypes A bitwise OR of the ABI formats accepted by the caller. * @return contentType The content type of the return value * @return data The ABI data */ function ABI(bytes32 node, uint256 contentTypes) constant returns (uint256 contentType, bytes data) { var record = records[node]; for(contentType = 1; contentType <= contentTypes; contentType <<= 1) { if ((contentType & contentTypes) != 0 && record.abis[contentType].length > 0) { data = record.abis[contentType]; return; } } contentType = 0; } /** * Sets the ABI associated with an ENS node. * Nodes may have one ABI of each content type. To remove an ABI, set it to * the empty string. * @param node The node to update. * @param contentType The content type of the ABI * @param data The ABI data. */ function setABI(bytes32 node, uint256 contentType, bytes data) only_owner(node) { // Content types must be powers of 2 if (((contentType - 1) & contentType) != 0) throw; records[node].abis[contentType] = data; ABIChanged(node, contentType); } /** * Returns the SECP256k1 public key associated with an ENS node. * Defined in EIP 619. * @param node The ENS node to query * @return x, y the X and Y coordinates of the curve point for the public key. */ function pubkey(bytes32 node) constant returns (bytes32 x, bytes32 y) { return (records[node].pubkey.x, records[node].pubkey.y); } /** * Sets the SECP256k1 public key associated with an ENS node. * @param node The ENS node to query * @param x the X coordinate of the curve point for the public key. * @param y the Y coordinate of the curve point for the public key. */ function setPubkey(bytes32 node, bytes32 x, bytes32 y) only_owner(node) { records[node].pubkey = PublicKey(x, y); PubkeyChanged(node, x, y); } /** * Returns the text data associated with an ENS node and key. * @param node The ENS node to query. * @param key The text data key to query. * @return The associated text data. */ function text(bytes32 node, string key) constant returns (string ret) { ret = records[node].text[key]; } /** * Sets the text data associated with an ENS node and key. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param key The key to set. * @param value The text data value to set. */ function setText(bytes32 node, string key, string value) only_owner(node) { records[node].text[key] = value; TextChanged(node, key, key); } } //File: contracts/ens/ENSConstants.sol pragma solidity ^0.4.18; contract ENSConstants { bytes32 constant public ENS_ROOT = bytes32(0); bytes32 constant public ETH_TLD_LABEL = keccak256("eth"); bytes32 constant public ETH_TLD_NODE = keccak256(ENS_ROOT, ETH_TLD_LABEL); bytes32 constant public PUBLIC_RESOLVER_LABEL = keccak256("resolver"); bytes32 constant public PUBLIC_RESOLVER_NODE = keccak256(ETH_TLD_NODE, PUBLIC_RESOLVER_LABEL); } //File: contracts/acl/IACL.sol pragma solidity ^0.4.18; interface IACL { function initialize(address permissionsCreator) public; function hasPermission(address who, address where, bytes32 what, bytes how) public view returns (bool); } //File: contracts/kernel/IKernel.sol pragma solidity ^0.4.18; interface IKernel { event SetApp(bytes32 indexed namespace, bytes32 indexed name, bytes32 indexed id, address app); 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 name, address app) public returns (bytes32 id); function getApp(bytes32 id) public view returns (address); } //File: contracts/apps/AppStorage.sol pragma solidity ^0.4.18; contract AppStorage { IKernel public kernel; bytes32 public appId; address internal pinnedCode; // used by Proxy Pinned uint256 internal initializationBlock; // used by Initializable uint256[95] private storageOffset; // forces App storage to start at after 100 slots uint256 private offset; } //File: contracts/common/Initializable.sol pragma solidity ^0.4.18; contract Initializable is AppStorage { modifier onlyInit { require(initializationBlock == 0); _; } /** * @return Block number in which the contract was initialized */ function getInitializationBlock() public view returns (uint256) { return initializationBlock; } /** * @dev Function to be called by top level contract after initialization has finished. */ function initialized() internal onlyInit { initializationBlock = getBlockNumber(); } /** * @dev Returns the current block number. * Using a function rather than `block.number` allows us to easily mock the block number in * tests. */ function getBlockNumber() internal view returns (uint256) { return block.number; } } //File: contracts/evmscript/IEVMScriptExecutor.sol pragma solidity ^0.4.18; interface IEVMScriptExecutor { function execScript(bytes script, bytes input, address[] blacklist) external returns (bytes); } //File: contracts/evmscript/IEVMScriptRegistry.sol pragma solidity 0.4.18; contract EVMScriptRegistryConstants { bytes32 constant public EVMSCRIPT_REGISTRY_APP_ID = keccak256("evmreg.aragonpm.eth"); bytes32 constant public EVMSCRIPT_REGISTRY_APP = keccak256(keccak256("app"), EVMSCRIPT_REGISTRY_APP_ID); } interface IEVMScriptRegistry { function addScriptExecutor(address executor) external returns (uint id); function disableScriptExecutor(uint256 executorId) external; function getScriptExecutor(bytes script) public view returns (address); } //File: contracts/evmscript/ScriptHelpers.sol pragma solidity 0.4.18; library ScriptHelpers { // To test with JS and compare with actual encoder. Maintaining for reference. // t = function() { return IEVMScriptExecutor.at('0x4bcdd59d6c77774ee7317fc1095f69ec84421e49').contract.execScript.getData(...[].slice.call(arguments)).slice(10).match(/.{1,64}/g) } // run = function() { return ScriptHelpers.new().then(sh => { sh.abiEncode.call(...[].slice.call(arguments)).then(a => console.log(a.slice(2).match(/.{1,64}/g)) ) }) } // This is truly not beautiful but lets no daydream to the day solidity gets reflection features function abiEncode(bytes _a, bytes _b, address[] _c) public pure returns (bytes d) { return encode(_a, _b, _c); } function encode(bytes memory _a, bytes memory _b, address[] memory _c) internal pure returns (bytes memory d) { // A is positioned after the 3 position words uint256 aPosition = 0x60; uint256 bPosition = aPosition + 32 * abiLength(_a); uint256 cPosition = bPosition + 32 * abiLength(_b); uint256 length = cPosition + 32 * abiLength(_c); d = new bytes(length); assembly { // Store positions mstore(add(d, 0x20), aPosition) mstore(add(d, 0x40), bPosition) mstore(add(d, 0x60), cPosition) } // Copy memory to correct position copy(d, getPtr(_a), aPosition, _a.length); copy(d, getPtr(_b), bPosition, _b.length); copy(d, getPtr(_c), cPosition, _c.length * 32); // 1 word per address } function abiLength(bytes memory _a) internal pure returns (uint256) { // 1 for length + // memory words + 1 if not divisible for 32 to offset word return 1 + (_a.length / 32) + (_a.length % 32 > 0 ? 1 : 0); } function abiLength(address[] _a) internal pure returns (uint256) { // 1 for length + 1 per item return 1 + _a.length; } function copy(bytes _d, uint256 _src, uint256 _pos, uint256 _length) internal pure { uint dest; assembly { dest := add(add(_d, 0x20), _pos) } memcpy(dest, _src, _length + 32); } function getPtr(bytes memory _x) internal pure returns (uint256 ptr) { assembly { ptr := _x } } function getPtr(address[] memory _x) internal pure returns (uint256 ptr) { assembly { ptr := _x } } function getSpecId(bytes _script) internal pure returns (uint32) { return uint32At(_script, 0); } function uint256At(bytes _data, uint256 _location) internal pure returns (uint256 result) { assembly { result := mload(add(_data, add(0x20, _location))) } } function addressAt(bytes _data, uint256 _location) internal pure returns (address result) { uint256 word = uint256At(_data, _location); assembly { result := div(and(word, 0xffffffffffffffffffffffffffffffffffffffff000000000000000000000000), 0x1000000000000000000000000) } } function uint32At(bytes _data, uint256 _location) internal pure returns (uint32 result) { uint256 word = uint256At(_data, _location); assembly { result := div(and(word, 0xffffffff00000000000000000000000000000000000000000000000000000000), 0x100000000000000000000000000000000000000000000000000000000) } } function locationOf(bytes _data, uint256 _location) internal pure returns (uint256 result) { assembly { result := add(_data, add(0x20, _location)) } } function toBytes(bytes4 _sig) internal pure returns (bytes) { bytes memory payload = new bytes(4); payload[0] = bytes1(_sig); payload[1] = bytes1(_sig << 8); payload[2] = bytes1(_sig << 16); payload[3] = bytes1(_sig << 24); return payload; } function memcpy(uint _dest, uint _src, uint _len) public pure { uint256 src = _src; uint256 dest = _dest; uint256 len = _len; // Copy word-length chunks while possible for (; len >= 32; len -= 32) { assembly { mstore(dest, mload(src)) } dest += 32; src += 32; } // Copy remaining bytes uint mask = 256 ** (32 - len) - 1; assembly { let srcpart := and(mload(src), not(mask)) let destpart := and(mload(dest), mask) mstore(dest, or(destpart, srcpart)) } } } //File: contracts/evmscript/EVMScriptRunner.sol pragma solidity ^0.4.18; contract EVMScriptRunner is AppStorage, EVMScriptRegistryConstants { using ScriptHelpers for bytes; function runScript(bytes _script, bytes _input, address[] _blacklist) protectState internal returns (bytes output) { // TODO: Too much data flying around, maybe extracting spec id here is cheaper address executorAddr = getExecutor(_script); require(executorAddr != address(0)); bytes memory calldataArgs = _script.encode(_input, _blacklist); bytes4 sig = IEVMScriptExecutor(0).execScript.selector; require(executorAddr.delegatecall(sig, calldataArgs)); return returnedDataDecoded(); } function getExecutor(bytes _script) public view returns (IEVMScriptExecutor) { return IEVMScriptExecutor(getExecutorRegistry().getScriptExecutor(_script)); } // TODO: Internal function getExecutorRegistry() internal view returns (IEVMScriptRegistry) { address registryAddr = kernel.getApp(EVMSCRIPT_REGISTRY_APP); return IEVMScriptRegistry(registryAddr); } /** * @dev copies and returns last's call data. Needs to ABI decode first */ function returnedDataDecoded() internal view returns (bytes ret) { assembly { let size := returndatasize switch size case 0 {} default { ret := mload(0x40) // free mem ptr get mstore(0x40, add(ret, add(size, 0x20))) // free mem ptr set returndatacopy(ret, 0x20, sub(size, 0x20)) // copy return data } } return ret; } modifier protectState { address preKernel = kernel; bytes32 preAppId = appId; _; // exec require(kernel == preKernel); require(appId == preAppId); } } //File: contracts/acl/ACLSyntaxSugar.sol pragma solidity 0.4.18; contract ACLSyntaxSugar { function arr() internal pure returns (uint256[] r) {} function arr(bytes32 _a) internal pure returns (uint256[] r) { return arr(uint256(_a)); } function arr(bytes32 _a, bytes32 _b) internal pure returns (uint256[] r) { return arr(uint256(_a), uint256(_b)); } function arr(address _a) internal pure returns (uint256[] r) { return arr(uint256(_a)); } function arr(address _a, address _b) internal pure returns (uint256[] r) { return arr(uint256(_a), uint256(_b)); } function arr(address _a, uint256 _b, uint256 _c) internal pure returns (uint256[] r) { return arr(uint256(_a), _b, _c); } function arr(address _a, uint256 _b) internal pure returns (uint256[] r) { return arr(uint256(_a), uint256(_b)); } function arr(address _a, address _b, uint256 _c, uint256 _d, uint256 _e) internal pure returns (uint256[] r) { return arr(uint256(_a), uint256(_b), _c, _d, _e); } function arr(address _a, address _b, address _c) internal pure returns (uint256[] r) { return arr(uint256(_a), uint256(_b), uint256(_c)); } function arr(address _a, address _b, uint256 _c) internal pure returns (uint256[] r) { return arr(uint256(_a), uint256(_b), uint256(_c)); } function arr(uint256 _a) internal pure returns (uint256[] r) { r = new uint256[](1); r[0] = _a; } function arr(uint256 _a, uint256 _b) internal pure returns (uint256[] r) { r = new uint256[](2); r[0] = _a; r[1] = _b; } function arr(uint256 _a, uint256 _b, uint256 _c) internal pure returns (uint256[] r) { r = new uint256[](3); r[0] = _a; r[1] = _b; r[2] = _c; } function arr(uint256 _a, uint256 _b, uint256 _c, uint256 _d) internal pure returns (uint256[] r) { r = new uint256[](4); r[0] = _a; r[1] = _b; r[2] = _c; r[3] = _d; } function arr(uint256 _a, uint256 _b, uint256 _c, uint256 _d, uint256 _e) internal pure returns (uint256[] r) { r = new uint256[](5); r[0] = _a; r[1] = _b; r[2] = _c; r[3] = _d; r[4] = _e; } } contract ACLHelpers { function decodeParamOp(uint256 _x) internal pure returns (uint8 b) { return uint8(_x >> (8 * 30)); } function decodeParamId(uint256 _x) internal pure returns (uint8 b) { return uint8(_x >> (8 * 31)); } function decodeParamsList(uint256 _x) internal pure returns (uint32 a, uint32 b, uint32 c) { a = uint32(_x); b = uint32(_x >> (8 * 4)); c = uint32(_x >> (8 * 8)); } } //File: contracts/apps/AragonApp.sol pragma solidity ^0.4.18; contract AragonApp is AppStorage, Initializable, ACLSyntaxSugar, EVMScriptRunner { modifier auth(bytes32 _role) { require(canPerform(msg.sender, _role, new uint256[](0))); _; } modifier authP(bytes32 _role, uint256[] params) { require(canPerform(msg.sender, _role, params)); _; } function canPerform(address _sender, bytes32 _role, uint256[] params) public view returns (bool) { bytes memory how; // no need to init memory as it is never used if (params.length > 0) { uint256 byteLength = params.length * 32; assembly { how := params // forced casting mstore(how, byteLength) } } return address(kernel) == 0 || kernel.hasPermission(_sender, address(this), _role, how); } } //File: contracts/ens/ENSSubdomainRegistrar.sol pragma solidity 0.4.18; contract ENSSubdomainRegistrar is AragonApp, ENSConstants { bytes32 constant public CREATE_NAME_ROLE = bytes32(1); bytes32 constant public DELETE_NAME_ROLE = bytes32(2); bytes32 constant public POINT_ROOTNODE_ROLE = bytes32(3); AbstractENS public ens; bytes32 public rootNode; event NewName(bytes32 indexed node, bytes32 indexed label); event DeleteName(bytes32 indexed node, bytes32 indexed label); function initialize(AbstractENS _ens, bytes32 _rootNode) onlyInit public { initialized(); // We need ownership to create subnodes require(_ens.owner(_rootNode) == address(this)); ens = _ens; rootNode = _rootNode; } function createName(bytes32 _label, address _owner) auth(CREATE_NAME_ROLE) external returns (bytes32 node) { return _createName(_label, _owner); } function createNameAndPoint(bytes32 _label, address _target) auth(CREATE_NAME_ROLE) external returns (bytes32 node) { node = _createName(_label, this); _pointToResolverAndResolve(node, _target); } function deleteName(bytes32 _label) auth(DELETE_NAME_ROLE) external { bytes32 node = keccak256(rootNode, _label); address currentOwner = ens.owner(node); require(currentOwner != address(0)); // fail if deleting unset name if (currentOwner != address(this)) { // needs to reclaim ownership so it can set resolver ens.setSubnodeOwner(rootNode, _label, this); } ens.setResolver(node, address(0)); // remove resolver so it ends resolving ens.setOwner(node, address(0)); DeleteName(node, _label); } function pointRootNode(address _target) auth(POINT_ROOTNODE_ROLE) external { _pointToResolverAndResolve(rootNode, _target); } function _createName(bytes32 _label, address _owner) internal returns (bytes32 node) { node = keccak256(rootNode, _label); require(ens.owner(node) == address(0)); // avoid name reset ens.setSubnodeOwner(rootNode, _label, _owner); NewName(node, _label); } function _pointToResolverAndResolve(bytes32 _node, address _target) internal { address publicResolver = getAddr(PUBLIC_RESOLVER_NODE); ens.setResolver(_node, publicResolver); PublicResolver(publicResolver).setAddr(_node, _target); } function getAddr(bytes32 node) internal view returns (address) { address resolver = ens.resolver(node); return PublicResolver(resolver).addr(node); } } //File: contracts/apps/IAppProxy.sol pragma solidity 0.4.18; interface IAppProxy { function isUpgradeable() public pure returns (bool); function getCode() public view returns (address); } //File: contracts/common/DelegateProxy.sol pragma solidity 0.4.18; contract DelegateProxy { /** * @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)); assembly { let result := delegatecall(sub(gas, 10000), _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) } } } function isContract(address _target) internal view returns (bool) { uint256 size; assembly { size := extcodesize(_target) } return size > 0; } } //File: contracts/kernel/KernelStorage.sol pragma solidity 0.4.18; contract KernelConstants { bytes32 constant public CORE_NAMESPACE = keccak256("core"); bytes32 constant public APP_BASES_NAMESPACE = keccak256("base"); bytes32 constant public APP_ADDR_NAMESPACE = keccak256("app"); bytes32 constant public KERNEL_APP_ID = keccak256("kernel.aragonpm.eth"); bytes32 constant public KERNEL_APP = keccak256(CORE_NAMESPACE, KERNEL_APP_ID); bytes32 constant public ACL_APP_ID = keccak256("acl.aragonpm.eth"); bytes32 constant public ACL_APP = keccak256(APP_ADDR_NAMESPACE, ACL_APP_ID); } contract KernelStorage is KernelConstants { mapping (bytes32 => address) public apps; } //File: contracts/apps/AppProxyBase.sol pragma solidity 0.4.18; contract AppProxyBase is IAppProxy, AppStorage, DelegateProxy, KernelConstants { /** * @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 */ function AppProxyBase(IKernel _kernel, bytes32 _appId, bytes _initializePayload) public { kernel = _kernel; appId = _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(keccak256(APP_BASES_NAMESPACE, _appId)); } function () payable public { address target = getCode(); require(target != 0); // if app code hasn't been set yet, don't call delegatedFwd(target, msg.data); } } //File: contracts/apps/AppProxyUpgradeable.sol pragma solidity 0.4.18; contract AppProxyUpgradeable is AppProxyBase { address public pinnedCode; /** * @dev Initialize AppProxyUpgradeable (makes it an 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 */ function AppProxyUpgradeable(IKernel _kernel, bytes32 _appId, bytes _initializePayload) AppProxyBase(_kernel, _appId, _initializePayload) public { } function getCode() public view returns (address) { return getAppBase(appId); } function isUpgradeable() public pure returns (bool) { return true; } } //File: contracts/apps/AppProxyPinned.sol pragma solidity 0.4.18; contract AppProxyPinned is AppProxyBase { /** * @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 */ function AppProxyPinned(IKernel _kernel, bytes32 _appId, bytes _initializePayload) AppProxyBase(_kernel, _appId, _initializePayload) public { pinnedCode = getAppBase(appId); require(pinnedCode != address(0)); } function getCode() public view returns (address) { return pinnedCode; } function isUpgradeable() public pure returns (bool) { return false; } function () payable public { delegatedFwd(getCode(), msg.data); } } //File: contracts/factory/AppProxyFactory.sol pragma solidity 0.4.18; contract AppProxyFactory { event NewAppProxy(address proxy); function newAppProxy(IKernel _kernel, bytes32 _appId) public returns (AppProxyUpgradeable) { return newAppProxy(_kernel, _appId, new bytes(0)); } function newAppProxy(IKernel _kernel, bytes32 _appId, bytes _initializePayload) public returns (AppProxyUpgradeable) { AppProxyUpgradeable proxy = new AppProxyUpgradeable(_kernel, _appId, _initializePayload); NewAppProxy(address(proxy)); return proxy; } function newAppProxyPinned(IKernel _kernel, bytes32 _appId) public returns (AppProxyPinned) { return newAppProxyPinned(_kernel, _appId, new bytes(0)); } function newAppProxyPinned(IKernel _kernel, bytes32 _appId, bytes _initializePayload) public returns (AppProxyPinned) { AppProxyPinned proxy = new AppProxyPinned(_kernel, _appId, _initializePayload); NewAppProxy(address(proxy)); return proxy; } } //File: contracts/acl/ACL.sol pragma solidity 0.4.18; interface ACLOracle { function canPerform(address who, address where, bytes32 what) public view returns (bool); } contract ACL is IACL, AragonApp, ACLHelpers { bytes32 constant public CREATE_PERMISSIONS_ROLE = keccak256("CREATE_PERMISSIONS_ROLE"); // whether a certain entity has a permission mapping (bytes32 => bytes32) permissions; // 0 for no permission, or parameters id mapping (bytes32 => Param[]) public permissionParams; // who is the manager of a permission mapping (bytes32 => address) permissionManager; enum Op { NONE, EQ, NEQ, GT, LT, GTE, LTE, NOT, AND, OR, XOR, IF_ELSE, RET } // op types struct Param { uint8 id; uint8 op; uint240 value; // even though value is an uint240 it can store addresses // in the case of 32 byte hashes losing 2 bytes precision isn't a huge deal // op and id take less than 1 byte each so it can be kept in 1 sstore } uint8 constant BLOCK_NUMBER_PARAM_ID = 200; uint8 constant TIMESTAMP_PARAM_ID = 201; uint8 constant SENDER_PARAM_ID = 202; uint8 constant ORACLE_PARAM_ID = 203; uint8 constant LOGIC_OP_PARAM_ID = 204; uint8 constant PARAM_VALUE_PARAM_ID = 205; // TODO: Add execution times param type? bytes32 constant public EMPTY_PARAM_HASH = keccak256(uint256(0)); address constant ANY_ENTITY = address(-1); modifier onlyPermissionManager(address _app, bytes32 _role) { require(msg.sender == getPermissionManager(_app, _role)); _; } event SetPermission(address indexed entity, address indexed app, bytes32 indexed role, bool allowed); event ChangePermissionManager(address indexed app, bytes32 indexed role, address indexed manager); /** * @dev Initialize can only be called once. It saves the block number in which it was initialized. * @notice Initializes an ACL instance and sets `_permissionsCreator` as the entity that can create other permissions * @param _permissionsCreator Entity that will be given permission over createPermission */ function initialize(address _permissionsCreator) onlyInit public { initialized(); require(msg.sender == address(kernel)); _createPermission(_permissionsCreator, this, CREATE_PERMISSIONS_ROLE, _permissionsCreator); } /** * @dev Creates a permission that wasn't previously set. Access is limited by the ACL. * If a created permission is removed it is possible to reset it with createPermission. * @notice Create a new permission granting `_entity` the ability to perform actions of role `_role` on `_app` (setting `_manager` as the permission manager) * @param _entity Address of the whitelisted entity that will be able to perform the role * @param _app Address of the app in which the role will be allowed (requires app to depend on kernel for ACL) * @param _role Identifier for the group of actions in app given access to perform * @param _manager Address of the entity that will be able to grant and revoke the permission further. */ function createPermission(address _entity, address _app, bytes32 _role, address _manager) external { require(hasPermission(msg.sender, address(this), CREATE_PERMISSIONS_ROLE)); _createPermission(_entity, _app, _role, _manager); } /** * @dev Grants permission if allowed. This requires `msg.sender` to be the permission manager * @notice Grants `_entity` the ability to perform actions of role `_role` on `_app` * @param _entity Address of the whitelisted entity that will be able to perform the role * @param _app Address of the app in which the role will be allowed (requires app to depend on kernel for ACL) * @param _role Identifier for the group of actions in app given access to perform */ function grantPermission(address _entity, address _app, bytes32 _role) external { grantPermissionP(_entity, _app, _role, new uint256[](0)); } /** * @dev Grants a permission with parameters if allowed. This requires `msg.sender` to be the permission manager * @notice Grants `_entity` the ability to perform actions of role `_role` on `_app` * @param _entity Address of the whitelisted entity that will be able to perform the role * @param _app Address of the app in which the role will be allowed (requires app to depend on kernel for ACL) * @param _role Identifier for the group of actions in app given access to perform * @param _params Permission parameters */ function grantPermissionP(address _entity, address _app, bytes32 _role, uint256[] _params) onlyPermissionManager(_app, _role) public { require(!hasPermission(_entity, _app, _role)); bytes32 paramsHash = _params.length > 0 ? _saveParams(_params) : EMPTY_PARAM_HASH; _setPermission(_entity, _app, _role, paramsHash); } /** * @dev Revokes permission if allowed. This requires `msg.sender` to be the the permission manager * @notice Revokes `_entity` the ability to perform actions of role `_role` on `_app` * @param _entity Address of the whitelisted entity to revoke access from * @param _app Address of the app in which the role will be revoked * @param _role Identifier for the group of actions in app being revoked */ function revokePermission(address _entity, address _app, bytes32 _role) onlyPermissionManager(_app, _role) external { require(hasPermission(_entity, _app, _role)); _setPermission(_entity, _app, _role, bytes32(0)); } /** * @notice Sets `_newManager` as the manager of the permission `_role` in `_app` * @param _newManager Address for the new manager * @param _app Address of the app in which the permission management is being transferred * @param _role Identifier for the group of actions being transferred */ function setPermissionManager(address _newManager, address _app, bytes32 _role) onlyPermissionManager(_app, _role) external { _setPermissionManager(_newManager, _app, _role); } /** * @dev Get manager for permission * @param _app Address of the app * @param _role Identifier for a group of actions in app * @return address of the manager for the permission */ function getPermissionManager(address _app, bytes32 _role) public view returns (address) { return permissionManager[roleHash(_app, _role)]; } /** * @dev Function called by apps to check ACL on kernel or to check permission statu * @param _who Sender of the original call * @param _where Address of the app * @param _where Identifier for a group of actions in app * @param _how Permission parameters * @return boolean indicating whether the ACL allows the role or not */ function hasPermission(address _who, address _where, bytes32 _what, bytes memory _how) public view returns (bool) { uint256[] memory how; uint256 intsLength = _how.length / 32; assembly { how := _how // forced casting mstore(how, intsLength) } // _how is invalid from this point fwd return hasPermission(_who, _where, _what, how); } function hasPermission(address _who, address _where, bytes32 _what, uint256[] memory _how) public view returns (bool) { bytes32 whoParams = permissions[permissionHash(_who, _where, _what)]; if (whoParams != bytes32(0) && evalParams(whoParams, _who, _where, _what, _how)) { return true; } bytes32 anyParams = permissions[permissionHash(ANY_ENTITY, _where, _what)]; if (anyParams != bytes32(0) && evalParams(anyParams, ANY_ENTITY, _where, _what, _how)) { return true; } return false; } function hasPermission(address _who, address _where, bytes32 _what) public view returns (bool) { uint256[] memory empty = new uint256[](0); return hasPermission(_who, _where, _what, empty); } /** * @dev Internal createPermission for access inside the kernel (on instantiation) */ function _createPermission(address _entity, address _app, bytes32 _role, address _manager) internal { // only allow permission creation (or re-creation) when there is no manager require(getPermissionManager(_app, _role) == address(0)); _setPermission(_entity, _app, _role, EMPTY_PARAM_HASH); _setPermissionManager(_manager, _app, _role); } /** * @dev Internal function called to actually save the permission */ function _setPermission(address _entity, address _app, bytes32 _role, bytes32 _paramsHash) internal { permissions[permissionHash(_entity, _app, _role)] = _paramsHash; SetPermission(_entity, _app, _role, _paramsHash != bytes32(0)); } function _saveParams(uint256[] _encodedParams) internal returns (bytes32) { bytes32 paramHash = keccak256(_encodedParams); Param[] storage params = permissionParams[paramHash]; if (params.length == 0) { // params not saved before for (uint256 i = 0; i < _encodedParams.length; i++) { uint256 encodedParam = _encodedParams[i]; Param memory param = Param(decodeParamId(encodedParam), decodeParamOp(encodedParam), uint240(encodedParam)); params.push(param); } } return paramHash; } function evalParams( bytes32 _paramsHash, address _who, address _where, bytes32 _what, uint256[] _how ) internal view returns (bool) { if (_paramsHash == EMPTY_PARAM_HASH) { return true; } return evalParam(_paramsHash, 0, _who, _where, _what, _how); } function evalParam( bytes32 _paramsHash, uint32 _paramId, address _who, address _where, bytes32 _what, uint256[] _how ) internal view returns (bool) { if (_paramId >= permissionParams[_paramsHash].length) { return false; // out of bounds } Param memory param = permissionParams[_paramsHash][_paramId]; if (param.id == LOGIC_OP_PARAM_ID) { return evalLogic(param, _paramsHash, _who, _where, _what, _how); } uint256 value; uint256 comparedTo = uint256(param.value); // get value if (param.id == ORACLE_PARAM_ID) { value = ACLOracle(param.value).canPerform(_who, _where, _what) ? 1 : 0; comparedTo = 1; } else if (param.id == BLOCK_NUMBER_PARAM_ID) { value = blockN(); } else if (param.id == TIMESTAMP_PARAM_ID) { value = time(); } else if (param.id == SENDER_PARAM_ID) { value = uint256(msg.sender); } else if (param.id == PARAM_VALUE_PARAM_ID) { value = uint256(param.value); } else { if (param.id >= _how.length) { return false; } value = uint256(uint240(_how[param.id])); // force lost precision } if (Op(param.op) == Op.RET) { return uint256(value) > 0; } return compare(value, Op(param.op), comparedTo); } function evalLogic(Param _param, bytes32 _paramsHash, address _who, address _where, bytes32 _what, uint256[] _how) internal view returns (bool) { if (Op(_param.op) == Op.IF_ELSE) { var (condition, success, failure) = decodeParamsList(uint256(_param.value)); bool result = evalParam(_paramsHash, condition, _who, _where, _what, _how); return evalParam(_paramsHash, result ? success : failure, _who, _where, _what, _how); } var (v1, v2,) = decodeParamsList(uint256(_param.value)); bool r1 = evalParam(_paramsHash, v1, _who, _where, _what, _how); if (Op(_param.op) == Op.NOT) { return !r1; } if (r1 && Op(_param.op) == Op.OR) { return true; } if (!r1 && Op(_param.op) == Op.AND) { return false; } bool r2 = evalParam(_paramsHash, v2, _who, _where, _what, _how); if (Op(_param.op) == Op.XOR) { return (r1 && !r2) || (!r1 && r2); } return r2; // both or and and depend on result of r2 after checks } function compare(uint256 _a, Op _op, uint256 _b) internal pure returns (bool) { if (_op == Op.EQ) return _a == _b; // solium-disable-line lbrace if (_op == Op.NEQ) return _a != _b; // solium-disable-line lbrace if (_op == Op.GT) return _a > _b; // solium-disable-line lbrace if (_op == Op.LT) return _a < _b; // solium-disable-line lbrace if (_op == Op.GTE) return _a >= _b; // solium-disable-line lbrace if (_op == Op.LTE) return _a <= _b; // solium-disable-line lbrace return false; } /** * @dev Internal function that sets management */ function _setPermissionManager(address _newManager, address _app, bytes32 _role) internal { permissionManager[roleHash(_app, _role)] = _newManager; ChangePermissionManager(_app, _role, _newManager); } function roleHash(address _where, bytes32 _what) pure internal returns (bytes32) { return keccak256(uint256(1), _where, _what); } function permissionHash(address _who, address _where, bytes32 _what) pure internal returns (bytes32) { return keccak256(uint256(2), _who, _where, _what); } function time() internal view returns (uint64) { return uint64(block.timestamp); } // solium-disable-line security/no-block-members function blockN() internal view returns (uint256) { return block.number; } } //File: contracts/apm/Repo.sol pragma solidity ^0.4.15; contract Repo is AragonApp { struct Version { uint16[3] semanticVersion; address contractAddress; bytes contentURI; } Version[] versions; mapping (bytes32 => uint256) versionIdForSemantic; mapping (address => uint256) latestVersionIdForContract; bytes32 constant public CREATE_VERSION_ROLE = bytes32(1); event NewVersion(uint256 versionId, uint16[3] semanticVersion); /** * @notice Create new version for repo * @param _newSemanticVersion Semantic version for new repo version * @param _contractAddress address for smart contract logic for version (if set to 0, it uses last versions' contractAddress) * @param _contentURI External URI for fetching new version's content */ function newVersion( uint16[3] _newSemanticVersion, address _contractAddress, bytes _contentURI ) auth(CREATE_VERSION_ROLE) public { address contractAddress = _contractAddress; if (versions.length > 0) { Version storage lastVersion = versions[versions.length - 1]; require(isValidBump(lastVersion.semanticVersion, _newSemanticVersion)); if (contractAddress == 0) { contractAddress = lastVersion.contractAddress; } // Only allows smart contract change on major version bumps require(lastVersion.contractAddress == contractAddress || _newSemanticVersion[0] > lastVersion.semanticVersion[0]); } else { versions.length += 1; uint16[3] memory zeroVersion; require(isValidBump(zeroVersion, _newSemanticVersion)); } uint versionId = versions.push(Version(_newSemanticVersion, contractAddress, _contentURI)) - 1; versionIdForSemantic[semanticVersionHash(_newSemanticVersion)] = versionId; latestVersionIdForContract[contractAddress] = versionId; NewVersion(versionId, _newSemanticVersion); } function getLatest() public view returns (uint16[3] semanticVersion, address contractAddress, bytes contentURI) { return getByVersionId(versions.length - 1); } function getLatestForContractAddress(address _contractAddress) public view returns (uint16[3] semanticVersion, address contractAddress, bytes contentURI) { return getByVersionId(latestVersionIdForContract[_contractAddress]); } function getBySemanticVersion(uint16[3] _semanticVersion) public view returns (uint16[3] semanticVersion, address contractAddress, bytes contentURI) { return getByVersionId(versionIdForSemantic[semanticVersionHash(_semanticVersion)]); } function getByVersionId(uint _versionId) public view returns (uint16[3] semanticVersion, address contractAddress, bytes contentURI) { require(_versionId > 0); Version storage version = versions[_versionId]; return (version.semanticVersion, version.contractAddress, version.contentURI); } function getVersionsCount() public view returns (uint256) { uint256 len = versions.length; return len > 0 ? len - 1 : 0; } function isValidBump(uint16[3] _oldVersion, uint16[3] _newVersion) public pure returns (bool) { bool hasBumped; uint i = 0; while (i < 3) { if (hasBumped) { if (_newVersion[i] != 0) { return false; } } else if (_newVersion[i] != _oldVersion[i]) { if (_oldVersion[i] > _newVersion[i] || _newVersion[i] - _oldVersion[i] != 1) { return false; } hasBumped = true; } i++; } return hasBumped; } function semanticVersionHash(uint16[3] version) internal pure returns (bytes32) { return keccak256(version[0], version[1], version[2]); } } //File: contracts/apm/APMRegistry.sol pragma solidity 0.4.18; contract APMRegistryConstants { // Cant have a regular APM appId because it is used to build APM // TODO: recheck this string constant public APM_APP_NAME = "apm-registry"; string constant public REPO_APP_NAME = "apm-repo"; string constant public ENS_SUB_APP_NAME = "apm-enssub"; } contract APMRegistry is AragonApp, AppProxyFactory, APMRegistryConstants { AbstractENS ens; ENSSubdomainRegistrar public registrar; bytes32 constant public CREATE_REPO_ROLE = bytes32(1); event NewRepo(bytes32 id, string name, address repo); /** * NEEDS CREATE_NAME_ROLE and POINT_ROOTNODE_ROLE permissions on registrar * @param _registrar ENSSubdomainRegistrar instance that holds registry root node ownership */ function initialize(ENSSubdomainRegistrar _registrar) onlyInit public { initialized(); registrar = _registrar; ens = registrar.ens(); registrar.pointRootNode(this); // Check APM has all permissions it needss ACL acl = ACL(kernel.acl()); require(acl.hasPermission(this, registrar, registrar.CREATE_NAME_ROLE())); require(acl.hasPermission(this, acl, acl.CREATE_PERMISSIONS_ROLE())); } /** * @notice Create new repo in registry with `_name` * @param _name Repo name, must be ununsed * @param _dev Address that will be given permission to create versions */ function newRepo(string _name, address _dev) auth(CREATE_REPO_ROLE) public returns (Repo) { return _newRepo(_name, _dev); } /** * @notice Create new repo in registry with `_name` and first repo version * @param _name Repo name * @param _dev Address that will be given permission to create versions * @param _initialSemanticVersion Semantic version for new repo version * @param _contractAddress address for smart contract logic for version (if set to 0, it uses last versions' contractAddress) * @param _contentURI External URI for fetching new version's content */ function newRepoWithVersion( string _name, address _dev, uint16[3] _initialSemanticVersion, address _contractAddress, bytes _contentURI ) auth(CREATE_REPO_ROLE) public returns (Repo) { Repo repo = _newRepo(_name, this); // need to have permissions to create version repo.newVersion(_initialSemanticVersion, _contractAddress, _contentURI); // Give permissions to _dev ACL acl = ACL(kernel.acl()); acl.revokePermission(this, repo, repo.CREATE_VERSION_ROLE()); acl.grantPermission(_dev, repo, repo.CREATE_VERSION_ROLE()); acl.setPermissionManager(_dev, repo, repo.CREATE_VERSION_ROLE()); return repo; } function _newRepo(string _name, address _dev) internal returns (Repo) { require(bytes(_name).length > 0); Repo repo = newClonedRepo(); ACL(kernel.acl()).createPermission(_dev, repo, repo.CREATE_VERSION_ROLE(), _dev); // Creates [name] subdomain in the rootNode and sets registry as resolver // This will fail if repo name already exists bytes32 node = registrar.createNameAndPoint(keccak256(_name), repo); NewRepo(node, _name, repo); return repo; } function newClonedRepo() internal returns (Repo) { return Repo(newAppProxy(kernel, repoAppId())); } function repoAppId() internal view returns (bytes32) { return keccak256(registrar.rootNode(), keccak256(REPO_APP_NAME)); } } //File: contracts/kernel/Kernel.sol pragma solidity 0.4.18; contract Kernel is IKernel, KernelStorage, Initializable, AppProxyFactory, ACLSyntaxSugar { bytes32 constant public APP_MANAGER_ROLE = keccak256("APP_MANAGER_ROLE"); /** * @dev Initialize can only be called once. It saves the block number in which it was initialized. * @notice Initializes a kernel instance along with its ACL and sets `_permissionsCreator` as the entity that can create other permissions * @param _baseAcl Address of base ACL app * @param _permissionsCreator Entity that will be given permission over createPermission */ function initialize(address _baseAcl, address _permissionsCreator) onlyInit public { initialized(); IACL acl = IACL(newAppProxy(this, ACL_APP_ID)); _setApp(APP_BASES_NAMESPACE, ACL_APP_ID, _baseAcl); _setApp(APP_ADDR_NAMESPACE, ACL_APP_ID, acl); acl.initialize(_permissionsCreator); } /** * @dev Create a new instance of an app linked to this kernel and set its base * implementation if it was not already set * @param _name Name of the app * @param _appBase Address of the app's base implementation * @return AppProxy instance */ function newAppInstance(bytes32 _name, address _appBase) auth(APP_MANAGER_ROLE, arr(APP_BASES_NAMESPACE, _name)) public returns (IAppProxy appProxy) { _setAppIfNew(APP_BASES_NAMESPACE, _name, _appBase); appProxy = newAppProxy(this, _name); } /** * @dev Create a new pinned instance of an app linked to this kernel and set * its base implementation if it was not already set * @param _name Name of the app * @param _appBase Address of the app's base implementation * @return AppProxy instance */ function newPinnedAppInstance(bytes32 _name, address _appBase) auth(APP_MANAGER_ROLE, arr(APP_BASES_NAMESPACE, _name)) public returns (IAppProxy appProxy) { _setAppIfNew(APP_BASES_NAMESPACE, _name, _appBase); appProxy = newAppProxyPinned(this, _name); } /** * @dev Set the resolving address of an app instance or base implementation * @param _namespace App namespace to use * @param _name Name of the app * @param _app Address of the app * @return ID of app */ function setApp(bytes32 _namespace, bytes32 _name, address _app) auth(APP_MANAGER_ROLE, arr(_namespace, _name)) kernelIntegrity public returns (bytes32 id) { return _setApp(_namespace, _name, _app); } /** * @dev Get the address of an app instance or base implementation * @param _id App identifier * @return Address of the app */ function getApp(bytes32 _id) public view returns (address) { return apps[_id]; } /** * @dev Get the installed ACL app * @return ACL app */ function acl() public view returns (IACL) { return IACL(getApp(ACL_APP)); } /** * @dev Function called by apps to check ACL on kernel or to check permission status * @param _who Sender of the original call * @param _where Address of the app * @param _what Identifier for a group of actions in app * @param _how Extra data for ACL auth * @return boolean indicating whether the ACL allows the role or not */ function hasPermission(address _who, address _where, bytes32 _what, bytes _how) public view returns (bool) { return acl().hasPermission(_who, _where, _what, _how); } function _setApp(bytes32 _namespace, bytes32 _name, address _app) internal returns (bytes32 id) { id = keccak256(_namespace, _name); apps[id] = _app; SetApp(_namespace, _name, id, _app); } function _setAppIfNew(bytes32 _namespace, bytes32 _name, address _app) internal returns (bytes32 id) { id = keccak256(_namespace, _name); if (_app != address(0)) { address app = getApp(id); if (app != address(0)) { require(app == _app); } else { apps[id] = _app; SetApp(_namespace, _name, id, _app); } } } modifier auth(bytes32 _role, uint256[] memory params) { bytes memory how; uint256 byteLength = params.length * 32; assembly { how := params // forced casting mstore(how, byteLength) } // Params is invalid from this point fwd require(hasPermission(msg.sender, address(this), _role, how)); _; } modifier kernelIntegrity { _; // After execution check integrity address kernel = getApp(KERNEL_APP); uint256 size; assembly { size := extcodesize(kernel) } require(size > 0); } } //File: contracts/kernel/KernelProxy.sol pragma solidity 0.4.18; contract KernelProxy is KernelStorage, DelegateProxy { /** * @dev KernelProxy is a proxy contract to a kernel implementation. The implementation * can update the reference, which effectively upgrades the contract * @param _kernelImpl Address of the contract used as implementation for kernel */ function KernelProxy(address _kernelImpl) public { apps[keccak256(CORE_NAMESPACE, KERNEL_APP_ID)] = _kernelImpl; } /** * @dev All calls made to the proxy are forwarded to the kernel implementation via a delegatecall * @return Any bytes32 value the implementation returns */ function () payable public { delegatedFwd(apps[KERNEL_APP], msg.data); } } //File: contracts/evmscript/EVMScriptRegistry.sol pragma solidity 0.4.18; contract EVMScriptRegistry is IEVMScriptRegistry, EVMScriptRegistryConstants, AragonApp { using ScriptHelpers for bytes; // WARN: Manager can censor all votes and the like happening in an org bytes32 constant public REGISTRY_MANAGER_ROLE = bytes32(1); struct ExecutorEntry { address executor; bool enabled; } ExecutorEntry[] public executors; function initialize() onlyInit public { initialized(); // Create empty record to begin executor IDs at 1 executors.push(ExecutorEntry(address(0), false)); } function addScriptExecutor(address _executor) external auth(REGISTRY_MANAGER_ROLE) returns (uint id) { return executors.push(ExecutorEntry(_executor, true)); } function disableScriptExecutor(uint256 _executorId) external auth(REGISTRY_MANAGER_ROLE) { executors[_executorId].enabled = false; } function getScriptExecutor(bytes _script) public view returns (address) { uint256 id = _script.getSpecId(); if (id == 0 || id >= executors.length) { return address(0); } ExecutorEntry storage entry = executors[id]; return entry.enabled ? entry.executor : address(0); } } //File: contracts/evmscript/executors/CallsScript.sol pragma solidity ^0.4.18; // Inspired by https://github.com/reverendus/tx-manager contract CallsScript is IEVMScriptExecutor { using ScriptHelpers for bytes; uint256 constant internal SCRIPT_START_LOCATION = 4; event LogScriptCall(address indexed sender, address indexed src, address indexed dst); /** * @notice Executes a number of call scripts * @param _script [ specId (uint32) ] many calls with this structure -> * [ to (address: 20 bytes) ] [ calldataLength (uint32: 4 bytes) ] [ calldata (calldataLength bytes) ] * @param _input Input is ignored in callscript * @param _blacklist Addresses the script cannot call to, or will revert. * @return always returns empty byte array */ function execScript(bytes _script, bytes _input, address[] _blacklist) external returns (bytes) { uint256 location = SCRIPT_START_LOCATION; // first 32 bits are spec id while (location < _script.length) { address contractAddress = _script.addressAt(location); // Check address being called is not blacklist for (uint i = 0; i < _blacklist.length; i++) { require(contractAddress != _blacklist[i]); } // logged before execution to ensure event ordering in receipt // if failed entire execution is reverted regardless LogScriptCall(msg.sender, address(this), contractAddress); uint256 calldataLength = uint256(_script.uint32At(location + 0x14)); uint256 calldataStart = _script.locationOf(location + 0x14 + 0x04); assembly { let success := call(sub(gas, 5000), contractAddress, 0, calldataStart, calldataLength, 0, 0) switch success case 0 { revert(0, 0) } } location += (0x14 + 0x04 + calldataLength); } } } //File: contracts/evmscript/executors/DelegateScript.sol pragma solidity 0.4.18; interface DelegateScriptTarget { function exec() public; } contract DelegateScript is IEVMScriptExecutor { using ScriptHelpers for *; uint256 constant internal SCRIPT_START_LOCATION = 4; /** * @notice Executes script by delegatecall into a contract * @param _script [ specId (uint32) ][ contract address (20 bytes) ] * @param _input ABI encoded call to be made to contract (if empty executes default exec() function) * @param _blacklist If any address is passed, will revert. * @return Call return data */ function execScript(bytes _script, bytes _input, address[] _blacklist) external returns (bytes) { require(_blacklist.length == 0); // dont have ability to control bans, so fail. // Script should be spec id + address (20 bytes) require(_script.length == SCRIPT_START_LOCATION + 20); return delegate(_script.addressAt(SCRIPT_START_LOCATION), _input); } /** * @dev Delegatecall to contract with input data */ function delegate(address _addr, bytes memory _input) internal returns (bytes memory output) { require(isContract(_addr)); require(_addr.delegatecall(_input.length > 0 ? _input : defaultInput())); return returnedData(); } function isContract(address _target) internal view returns (bool) { uint256 size; assembly { size := extcodesize(_target) } return size > 0; } function defaultInput() internal pure returns (bytes) { return DelegateScriptTarget(0).exec.selector.toBytes(); } /** * @dev copies and returns last's call data */ function returnedData() internal view returns (bytes ret) { assembly { let size := returndatasize ret := mload(0x40) // free mem ptr get mstore(0x40, add(ret, add(size, 0x20))) // free mem ptr set mstore(ret, size) // set array length returndatacopy(add(ret, 0x20), 0, size) // copy return data } return ret; } } //File: contracts/evmscript/executors/DeployDelegateScript.sol pragma solidity 0.4.18; // Inspired by: https://github.com/dapphub/ds-proxy/blob/master/src/proxy.sol contract DeployDelegateScript is DelegateScript { uint256 constant internal SCRIPT_START_LOCATION = 4; mapping (bytes32 => address) cache; /** * @notice Executes script by delegatecall into a deployed contract (exec() function) * @param _script [ specId (uint32) ][ contractInitcode (bytecode) ] * @param _input ABI encoded call to be made to contract (if empty executes default exec() function) * @param _blacklist If any address is passed, will revert. * @return Call return data */ function execScript(bytes _script, bytes _input, address[] _blacklist) external returns (bytes) { require(_blacklist.length == 0); // dont have ability to control bans, so fail. bytes32 id = keccak256(_script); address deployed = cache[id]; if (deployed == address(0)) { deployed = deploy(_script); cache[id] = deployed; } return DelegateScript.delegate(deployed, _input); } /** * @dev Deploys contract byte code to network */ function deploy(bytes _script) internal returns (address addr) { assembly { // 0x24 = 0x20 (length) + 0x04 (spec id uint32) // Length of code is 4 bytes less than total script size addr := create(0, add(_script, 0x24), sub(mload(_script), 0x04)) switch iszero(extcodesize(addr)) case 1 { revert(0, 0) } // throw if contract failed to deploy } } } //File: contracts/factory/EVMScriptRegistryFactory.sol pragma solidity 0.4.18; contract EVMScriptRegistryFactory is AppProxyFactory, EVMScriptRegistryConstants { address public baseReg; address public baseCalls; address public baseDel; address public baseDeployDel; function EVMScriptRegistryFactory() public { baseReg = address(new EVMScriptRegistry()); baseCalls = address(new CallsScript()); baseDel = address(new DelegateScript()); baseDeployDel = address(new DeployDelegateScript()); } function newEVMScriptRegistry(Kernel _dao, address _root) public returns (EVMScriptRegistry reg) { reg = EVMScriptRegistry(_dao.newPinnedAppInstance(EVMSCRIPT_REGISTRY_APP_ID, baseReg)); reg.initialize(); ACL acl = ACL(_dao.acl()); _dao.setApp(_dao.APP_ADDR_NAMESPACE(), EVMSCRIPT_REGISTRY_APP_ID, reg); acl.createPermission(this, reg, reg.REGISTRY_MANAGER_ROLE(), this); reg.addScriptExecutor(baseCalls); // spec 1 = CallsScript reg.addScriptExecutor(baseDel); // spec 2 = DelegateScript reg.addScriptExecutor(baseDeployDel); // spec 3 = DeployDelegateScript acl.revokePermission(this, reg, reg.REGISTRY_MANAGER_ROLE()); acl.setPermissionManager(_root, reg, reg.REGISTRY_MANAGER_ROLE()); return reg; } } //File: contracts/factory/DAOFactory.sol pragma solidity 0.4.18; contract DAOFactory { address public baseKernel; address public baseACL; EVMScriptRegistryFactory public regFactory; event DeployDAO(address dao); event DeployEVMScriptRegistry(address reg); function DAOFactory(address _baseKernel, address _baseACL, address _regFactory) public { // No need to init as it cannot be killed by devops199 if (_regFactory != address(0)) { regFactory = EVMScriptRegistryFactory(_regFactory); } baseKernel = _baseKernel; baseACL = _baseACL; } /** * @param _root Address that will be granted control to setup DAO permissions */ function newDAO(address _root) public returns (Kernel dao) { dao = Kernel(new KernelProxy(baseKernel)); address initialRoot = address(regFactory) != address(0) ? this : _root; dao.initialize(baseACL, initialRoot); ACL acl = ACL(dao.acl()); if (address(regFactory) != address(0)) { bytes32 permRole = acl.CREATE_PERMISSIONS_ROLE(); bytes32 appManagerRole = dao.APP_MANAGER_ROLE(); acl.grantPermission(regFactory, acl, permRole); acl.createPermission(regFactory, dao, appManagerRole, this); EVMScriptRegistry reg = regFactory.newEVMScriptRegistry(dao, _root); DeployEVMScriptRegistry(address(reg)); acl.revokePermission(regFactory, dao, appManagerRole); acl.grantPermission(_root, acl, permRole); acl.setPermissionManager(address(0), dao, appManagerRole); acl.setPermissionManager(_root, acl, permRole); } DeployDAO(dao); } } //File: contracts/lib/ens/ENS.sol pragma solidity ^0.4.0; /** * The ENS registry contract. */ contract ENS is AbstractENS { struct Record { address owner; address resolver; uint64 ttl; } mapping(bytes32=>Record) records; // Permits modifications only by the owner of the specified node. modifier only_owner(bytes32 node) { if (records[node].owner != msg.sender) throw; _; } /** * Constructs a new ENS registrar. */ function ENS() { records[0].owner = msg.sender; } /** * Returns the address that owns the specified node. */ function owner(bytes32 node) constant returns (address) { return records[node].owner; } /** * Returns the address of the resolver for the specified node. */ function resolver(bytes32 node) constant returns (address) { return records[node].resolver; } /** * Returns the TTL of a node, and any records associated with it. */ function ttl(bytes32 node) constant returns (uint64) { return records[node].ttl; } /** * Transfers ownership of a node to a new address. May only be called by the current * owner of the node. * @param node The node to transfer ownership of. * @param owner The address of the new owner. */ function setOwner(bytes32 node, address owner) only_owner(node) { Transfer(node, owner); records[node].owner = owner; } /** * Transfers ownership of a subnode keccak256(node, label) to a new address. May only be * called by the owner of the parent node. * @param node The parent node. * @param label The hash of the label specifying the subnode. * @param owner The address of the new owner. */ function setSubnodeOwner(bytes32 node, bytes32 label, address owner) only_owner(node) { var subnode = keccak256(node, label); NewOwner(node, label, owner); records[subnode].owner = owner; } /** * Sets the resolver address for the specified node. * @param node The node to update. * @param resolver The address of the resolver. */ function setResolver(bytes32 node, address resolver) only_owner(node) { NewResolver(node, resolver); records[node].resolver = resolver; } /** * Sets the TTL for the specified node. * @param node The node to update. * @param ttl The TTL in seconds. */ function setTTL(bytes32 node, uint64 ttl) only_owner(node) { NewTTL(node, ttl); records[node].ttl = ttl; } } //File: contracts/factory/ENSFactory.sol pragma solidity 0.4.18; contract ENSFactory is ENSConstants { event DeployENS(address ens); // This is an incredibly trustfull ENS deployment, only use for testing function newENS(address _owner) public returns (ENS ens) { ens = new ENS(); // Setup .eth TLD ens.setSubnodeOwner(ENS_ROOT, ETH_TLD_LABEL, this); // Setup public resolver PublicResolver resolver = new PublicResolver(ens); ens.setSubnodeOwner(ETH_TLD_NODE, PUBLIC_RESOLVER_LABEL, this); ens.setResolver(PUBLIC_RESOLVER_NODE, resolver); resolver.setAddr(PUBLIC_RESOLVER_NODE, resolver); ens.setOwner(ETH_TLD_NODE, _owner); ens.setOwner(ENS_ROOT, _owner); DeployENS(ens); } } //File: contracts/factory/APMRegistryFactory.sol pragma solidity 0.4.18; contract APMRegistryFactory is APMRegistryConstants { DAOFactory public daoFactory; APMRegistry public registryBase; Repo public repoBase; ENSSubdomainRegistrar public ensSubdomainRegistrarBase; ENS public ens; event DeployAPM(bytes32 indexed node, address apm); // Needs either one ENS or ENSFactory function APMRegistryFactory( DAOFactory _daoFactory, APMRegistry _registryBase, Repo _repoBase, ENSSubdomainRegistrar _ensSubBase, ENS _ens, ENSFactory _ensFactory ) public // DAO initialized without evmscript run support { daoFactory = _daoFactory; registryBase = _registryBase; repoBase = _repoBase; ensSubdomainRegistrarBase = _ensSubBase; // Either the ENS address provided is used, if any. // Or we use the ENSFactory to generate a test instance of ENS // If not the ENS address nor factory address are provided, this will revert ens = _ens != address(0) ? _ens : _ensFactory.newENS(this); } function newAPM(bytes32 _tld, bytes32 _label, address _root) public returns (APMRegistry) { bytes32 node = keccak256(_tld, _label); // Assume it is the test ENS if (ens.owner(node) != address(this)) { // If we weren't in test ens and factory doesn't have ownership, will fail ens.setSubnodeOwner(_tld, _label, this); } Kernel dao = daoFactory.newDAO(this); ACL acl = ACL(dao.acl()); acl.createPermission(this, dao, dao.APP_MANAGER_ROLE(), this); bytes32 namespace = dao.APP_BASES_NAMESPACE(); // Deploy app proxies ENSSubdomainRegistrar ensSub = ENSSubdomainRegistrar(dao.newAppInstance(keccak256(node, keccak256(ENS_SUB_APP_NAME)), ensSubdomainRegistrarBase)); APMRegistry apm = APMRegistry(dao.newAppInstance(keccak256(node, keccak256(APM_APP_NAME)), registryBase)); // APMRegistry controls Repos dao.setApp(namespace, keccak256(node, keccak256(REPO_APP_NAME)), repoBase); DeployAPM(node, apm); // Grant permissions needed for APM on ENSSubdomainRegistrar acl.createPermission(apm, ensSub, ensSub.CREATE_NAME_ROLE(), _root); acl.createPermission(apm, ensSub, ensSub.POINT_ROOTNODE_ROLE(), _root); // allow apm to create permissions for Repos in Kernel bytes32 permRole = acl.CREATE_PERMISSIONS_ROLE(); acl.grantPermission(apm, acl, permRole); // Initialize ens.setOwner(node, ensSub); ensSub.initialize(ens, node); apm.initialize(ensSub); uint16[3] memory firstVersion; firstVersion[0] = 1; acl.createPermission(this, apm, apm.CREATE_REPO_ROLE(), this); apm.newRepoWithVersion(APM_APP_NAME, _root, firstVersion, registryBase, b("ipfs:apm")); apm.newRepoWithVersion(ENS_SUB_APP_NAME, _root, firstVersion, ensSubdomainRegistrarBase, b("ipfs:enssub")); apm.newRepoWithVersion(REPO_APP_NAME, _root, firstVersion, repoBase, b("ipfs:repo")); configureAPMPermissions(acl, apm, _root); // Permission transition to _root acl.setPermissionManager(_root, dao, dao.APP_MANAGER_ROLE()); acl.revokePermission(this, acl, permRole); acl.grantPermission(_root, acl, permRole); acl.setPermissionManager(_root, acl, permRole); return apm; } function b(string memory x) internal pure returns (bytes memory y) { y = bytes(x); } // Factory can be subclassed and permissions changed function configureAPMPermissions(ACL _acl, APMRegistry _apm, address _root) internal { _acl.grantPermission(_root, _apm, _apm.CREATE_REPO_ROLE()); _acl.setPermissionManager(_root, _apm, _apm.CREATE_REPO_ROLE()); } }
Contract Security Audit
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Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000fcdedc0397603346788b2567fb5e6d9fd2aedf4c251d159c3b49fd46534d055db13a7fc462dae234346cbecffa41c4d4898ad96700000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : _kernel (address): 0xFCdEDC0397603346788b2567fb5E6d9Fd2AEdF4C
Arg [1] : _appId (bytes32): 0x251d159c3b49fd46534d055db13a7fc462dae234346cbecffa41c4d4898ad967
Arg [2] : _initializePayload (bytes): 0x
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000fcdedc0397603346788b2567fb5e6d9fd2aedf4c
Arg [1] : 251d159c3b49fd46534d055db13a7fc462dae234346cbecffa41c4d4898ad967
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Swarm Source
bzzr://2b969e041cba9a819bb1feb58ebb8e31cb47eeb07b69105f272f8a98e475526c
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.