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Latest 6 from a total of 6 transactions
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Withdraw | 19874091 | 110 days ago | IN | 0 ETH | 0.00092837 | ||||
Transfer | 19842939 | 114 days ago | IN | 0.05254059 ETH | 0.00014348 | ||||
Withdraw | 19781898 | 123 days ago | IN | 0 ETH | 0.00057815 | ||||
Transfer | 19706437 | 134 days ago | IN | 0.03861456 ETH | 0.00018495 | ||||
Withdraw | 19129009 | 215 days ago | IN | 0 ETH | 0.00296276 | ||||
Transfer | 19020348 | 230 days ago | IN | 0.14731884 ETH | 0.00097234 |
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Minimal Proxy Contract for 0x7109deeb07aa9eed1e2613f88b2f3e1e6c05163f
Contract Name:
OracleFeeDistributor
Compiler Version
v0.8.10+commit.fc410830
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "../@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "../@openzeppelin/contracts/utils/introspection/ERC165Checker.sol"; import "../feeDistributorFactory/IFeeDistributorFactory.sol"; import "../assetRecovering/OwnableTokenRecoverer.sol"; import "./IFeeDistributor.sol"; import "../oracle/IOracle.sol"; import "../structs/P2pStructs.sol"; import "./BaseFeeDistributor.sol"; /// @notice Should be a Oracle contract /// @param _passedAddress passed address that does not support IOracle interface error OracleFeeDistributor__NotOracle(address _passedAddress); /// @notice cannot withdraw until rewards (CL+EL) are enough to be split error OracleFeeDistributor__WaitForEnoughRewardsToWithdraw(); /// @notice clientOnlyClRewards can only be set once error OracleFeeDistributor__CannotResetClientOnlyClRewards(); /// @notice Client basis points should be higher than 5000 error OracleFeeDistributor__ClientBasisPointsShouldBeHigherThan5000(); /// @title FeeDistributor accepting EL rewards only but splitting them with consideration of CL rewards /// @dev CL rewards are received by the client directly since client's address is ETH2 withdrawal credentials contract OracleFeeDistributor is BaseFeeDistributor { /// @notice Emits when clientOnlyClRewards has been updated /// @param _clientOnlyClRewards new value of clientOnlyClRewards event OracleFeeDistributor__ClientOnlyClRewardsUpdated( uint256 _clientOnlyClRewards ); /// @notice address of Oracle IOracle private immutable i_oracle; /// @notice amount of CL rewards (in Wei) that should belong to the client only /// and should not be considered for splitting between the service and the referrer uint256 s_clientOnlyClRewards; /// @dev Set values that are constant, common for all the clients, known at the initial deploy time. /// @param _oracle address of Oracle /// @param _factory address of FeeDistributorFactory /// @param _service address of the service (P2P) fee recipient constructor( address _oracle, address _factory, address payable _service ) BaseFeeDistributor(_factory, _service) { if (!ERC165Checker.supportsInterface(_oracle, type(IOracle).interfaceId)) { revert OracleFeeDistributor__NotOracle(_oracle); } i_oracle = IOracle(_oracle); } /// @inheritdoc IFeeDistributor function initialize( FeeRecipient calldata _clientConfig, FeeRecipient calldata _referrerConfig ) public override { if (_clientConfig.basisPoints <= 5000) { revert OracleFeeDistributor__ClientBasisPointsShouldBeHigherThan5000(); } super.initialize(_clientConfig, _referrerConfig); } /// @notice Set clientOnlyClRewards to a new value /// @param _clientOnlyClRewards new value of clientOnlyClRewards /// @dev may be needed when attaching this FeeDistributor to an existing validator. /// If previously earned rewards need not be split, they should be declared as client only. function setClientOnlyClRewards(uint256 _clientOnlyClRewards) external { i_factory.checkOperatorOrOwner(msg.sender); if (s_clientOnlyClRewards != 0) { revert OracleFeeDistributor__CannotResetClientOnlyClRewards(); } s_clientOnlyClRewards = _clientOnlyClRewards; emit OracleFeeDistributor__ClientOnlyClRewardsUpdated(_clientOnlyClRewards); } /// @notice Withdraw the whole balance of the contract according to the pre-defined basis points. /// @dev In case someone (either service, or client, or referrer) fails to accept ether, /// the owner will be able to recover some of their share. /// This scenario is very unlikely. It can only happen if that someone is a contract /// whose receive function changed its behavior since FeeDistributor's initialization. /// It can never happen unless the receiving party themselves wants it to happen. /// We strongly recommend against intentional reverts in the receive function /// because the remaining parties might call `withdraw` again multiple times without waiting /// for the owner to recover ether for the reverting party. /// In fact, as a punishment for the reverting party, before the recovering, /// 1 more regular `withdraw` will happen, rewarding the non-reverting parties again. /// `recoverEther` function is just an emergency backup plan and does not replace `withdraw`. /// /// @param _proof Merkle proof (the leaf's sibling, and each non-leaf hash that could not otherwise be calculated without additional leaf nodes) /// @param _amountInGwei total CL rewards earned by all validators in GWei (see _validatorCount) function withdraw( bytes32[] calldata _proof, uint256 _amountInGwei ) external nonReentrant { if (s_clientConfig.recipient == address(0)) { revert FeeDistributor__ClientNotSet(); } // get the contract's balance uint256 balance = address(this).balance; if (balance == 0) { // revert if there is no ether to withdraw revert FeeDistributor__NothingToWithdraw(); } // verify the data from the caller against the oracle i_oracle.verify(_proof, address(this), _amountInGwei); // Gwei to Wei uint256 amount = _amountInGwei * (10 ** 9); if (amount < s_clientOnlyClRewards) { // Can happen if the client has called emergencyEtherRecoveryWithoutOracleData before // but the actual rewards amount now appeared to be lower than the already split. // Should happen rarely. revert OracleFeeDistributor__WaitForEnoughRewardsToWithdraw(); } // total to split = EL + CL - already split part of CL (should be OK unless halfBalance < serviceAmount) uint256 totalAmountToSplit = balance + amount - s_clientOnlyClRewards; // set client basis points to value from storage config uint256 clientBp = s_clientConfig.basisPoints; // how much should service get uint256 serviceAmount = totalAmountToSplit - ((totalAmountToSplit * clientBp) / 10000); uint256 halfBalance = balance / 2; // how much should client get uint256 clientAmount; // if a half of the available balance is not enough to cover service (and referrer) shares // can happen when CL rewards (only accessible by client) are way much than EL rewards if (serviceAmount > halfBalance) { // client gets 50% of EL rewards clientAmount = halfBalance; // service (and referrer) get 50% of EL rewards combined (+1 wei in case balance is odd) serviceAmount = balance - halfBalance; // update the total amount being split to a smaller value to fit the actual balance of this contract totalAmountToSplit = (halfBalance * 10000) / (10000 - clientBp); } else { // send the remaining balance to client clientAmount = balance - serviceAmount; } emit OracleFeeDistributor__ClientOnlyClRewardsUpdated(s_clientOnlyClRewards); bool someEthSent; // how much should referrer get uint256 referrerAmount; if (s_referrerConfig.recipient != address(0)) { // if there is a referrer referrerAmount = (totalAmountToSplit * s_referrerConfig.basisPoints) / 10000; serviceAmount -= referrerAmount; // Send ETH to referrer. Ignore the possible yet unlikely revert in the receive function. someEthSent = P2pAddressLib._sendValue(s_referrerConfig.recipient, referrerAmount); } // Send ETH to service. Ignore the possible yet unlikely revert in the receive function. someEthSent = P2pAddressLib._sendValue(i_service, serviceAmount) || someEthSent; // Send ETH to client. Ignore the possible yet unlikely revert in the receive function. someEthSent = P2pAddressLib._sendValue(s_clientConfig.recipient, clientAmount) || someEthSent; if (someEthSent) { // client gets the rest from CL as not split anymore amount s_clientOnlyClRewards += (totalAmountToSplit - balance); } emit FeeDistributor__Withdrawn( serviceAmount, clientAmount, referrerAmount ); } /// @notice Recover ether in a rare case when either service, or client, or referrer /// refuse to accept ether. /// @param _to receiver address /// @param _proof Merkle proof (the leaf's sibling, and each non-leaf hash that could not otherwise be calculated without additional leaf nodes) /// @param _amountInGwei total CL rewards earned by all validators in GWei (see _validatorCount) function recoverEther( address payable _to, bytes32[] calldata _proof, uint256 _amountInGwei ) external onlyOwner { if (_to == address(0)) { revert FeeDistributor__ZeroAddressEthReceiver(); } this.withdraw(_proof, _amountInGwei); // get the contract's balance uint256 balance = address(this).balance; if (balance > 0) { // only happens if at least 1 party reverted in their receive bool success = P2pAddressLib._sendValueWithoutGasRestrictions(_to, balance); if (success) { emit FeeDistributor__EtherRecovered(_to, balance); } else { revert FeeDistributor__EtherRecoveryFailed(_to, balance); } } } /// @notice SHOULD NEVER BE CALLED NORMALLY!!!! Recover ether if oracle data (Merkle proof) is not available for some reason. function emergencyEtherRecoveryWithoutOracleData() external onlyClient nonReentrant { // get the contract's balance uint256 balance = address(this).balance; if (balance == 0) { // revert if there is no ether to withdraw revert FeeDistributor__NothingToWithdraw(); } uint256 halfBalance = balance / 2; // client gets 50% of EL rewards uint256 clientAmount = halfBalance; // service (and referrer) get 50% of EL rewards combined (+1 wei in case balance is odd) uint256 serviceAmount = balance - halfBalance; // the total amount being split fits the actual balance of this contract uint256 totalAmountToSplit = (halfBalance * 10000) / (10000 - s_clientConfig.basisPoints); emit OracleFeeDistributor__ClientOnlyClRewardsUpdated(s_clientOnlyClRewards); bool someEthSent; // how much should referrer get uint256 referrerAmount; if (s_referrerConfig.recipient != address(0)) { // if there is a referrer referrerAmount = (totalAmountToSplit * s_referrerConfig.basisPoints) / 10000; serviceAmount -= referrerAmount; // Send ETH to referrer. Ignore the possible yet unlikely revert in the receive function. someEthSent = P2pAddressLib._sendValue(s_referrerConfig.recipient, referrerAmount); } // Send ETH to service. Ignore the possible yet unlikely revert in the receive function. someEthSent = P2pAddressLib._sendValue(i_service, serviceAmount) || someEthSent; // Send ETH to client. Ignore the possible yet unlikely revert in the receive function. someEthSent = P2pAddressLib._sendValue(s_clientConfig.recipient, clientAmount) || someEthSent; if (someEthSent) { // client gets the rest from CL as not split anymore amount s_clientOnlyClRewards += (totalAmountToSplit - balance); } emit FeeDistributor__Withdrawn( serviceAmount, clientAmount, referrerAmount ); } /// @notice amount of CL rewards (in Wei) that should belong to the client only /// and should not be considered for splitting between the service and the referrer /// @return uint256 amount of client only CL rewards function clientOnlyClRewards() external view returns (uint256) { return s_clientOnlyClRewards; } /// @notice Returns the oracle address /// @return address oracle address function oracle() external view returns (address) { return address(i_oracle); } /// @inheritdoc Erc4337Account function withdrawSelector() public pure override returns (bytes4) { return OracleFeeDistributor.withdraw.selector; } /// @inheritdoc IFeeDistributor /// @dev client address function eth2WithdrawalCredentialsAddress() external override view returns (address) { return s_clientConfig.recipient; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol) pragma solidity 0.8.10; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor() { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) pragma solidity 0.8.10; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.2) (utils/introspection/ERC165Checker.sol) pragma solidity 0.8.10; import "./IERC165.sol"; /** * @dev Library used to query support of an interface declared via {IERC165}. * * Note that these functions return the actual result of the query: they do not * `revert` if an interface is not supported. It is up to the caller to decide * what to do in these cases. */ library ERC165Checker { // As per the EIP-165 spec, no interface should ever match 0xffffffff bytes4 private constant _INTERFACE_ID_INVALID = 0xffffffff; /** * @dev Returns true if `account` supports the {IERC165} interface, */ function supportsERC165(address account) internal view returns (bool) { // Any contract that implements ERC165 must explicitly indicate support of // InterfaceId_ERC165 and explicitly indicate non-support of InterfaceId_Invalid return _supportsERC165Interface(account, type(IERC165).interfaceId) && !_supportsERC165Interface(account, _INTERFACE_ID_INVALID); } /** * @dev Returns true if `account` supports the interface defined by * `interfaceId`. Support for {IERC165} itself is queried automatically. * * See {IERC165-supportsInterface}. */ function supportsInterface(address account, bytes4 interfaceId) internal view returns (bool) { // query support of both ERC165 as per the spec and support of _interfaceId return supportsERC165(account) && _supportsERC165Interface(account, interfaceId); } /** * @dev Returns a boolean array where each value corresponds to the * interfaces passed in and whether they're supported or not. This allows * you to batch check interfaces for a contract where your expectation * is that some interfaces may not be supported. * * See {IERC165-supportsInterface}. * * _Available since v3.4._ */ function getSupportedInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool[] memory) { // an array of booleans corresponding to interfaceIds and whether they're supported or not bool[] memory interfaceIdsSupported = new bool[](interfaceIds.length); // query support of ERC165 itself if (supportsERC165(account)) { // query support of each interface in interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { interfaceIdsSupported[i] = _supportsERC165Interface(account, interfaceIds[i]); } } return interfaceIdsSupported; } /** * @dev Returns true if `account` supports all the interfaces defined in * `interfaceIds`. Support for {IERC165} itself is queried automatically. * * Batch-querying can lead to gas savings by skipping repeated checks for * {IERC165} support. * * See {IERC165-supportsInterface}. */ function supportsAllInterfaces(address account, bytes4[] memory interfaceIds) internal view returns (bool) { // query support of ERC165 itself if (!supportsERC165(account)) { return false; } // query support of each interface in _interfaceIds for (uint256 i = 0; i < interfaceIds.length; i++) { if (!_supportsERC165Interface(account, interfaceIds[i])) { return false; } } // all interfaces supported return true; } /** * @notice Query if a contract implements an interface, does not check ERC165 support * @param account The address of the contract to query for support of an interface * @param interfaceId The interface identifier, as specified in ERC-165 * @return true if the contract at account indicates support of the interface with * identifier interfaceId, false otherwise * @dev Assumes that account contains a contract that supports ERC165, otherwise * the behavior of this method is undefined. This precondition can be checked * with {supportsERC165}. * Interface identification is specified in ERC-165. */ function _supportsERC165Interface(address account, bytes4 interfaceId) private view returns (bool) { // prepare call bytes memory encodedParams = abi.encodeWithSelector(IERC165.supportsInterface.selector, interfaceId); // perform static call bool success; uint256 returnSize; uint256 returnValue; assembly { success := staticcall(30000, account, add(encodedParams, 0x20), mload(encodedParams), 0x00, 0x20) returnSize := returndatasize() returnValue := mload(0x00) } return success && returnSize >= 0x20 && returnValue > 0; } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "../access/IOwnable.sol"; import "../feeDistributor/IFeeDistributor.sol"; import "../structs/P2pStructs.sol"; /// @dev External interface of FeeDistributorFactory declared to support ERC165 detection. interface IFeeDistributorFactory is IOwnable, IERC165 { /// @notice Emits when a new FeeDistributor instance has been created for a client /// @param _newFeeDistributorAddress address of the newly created FeeDistributor contract instance /// @param _clientAddress address of the client for whom the new instance was created /// @param _referenceFeeDistributor The address of the reference implementation of FeeDistributor used as the basis for clones /// @param _clientBasisPoints client basis points (percent * 100) event FeeDistributorFactory__FeeDistributorCreated( address indexed _newFeeDistributorAddress, address indexed _clientAddress, address indexed _referenceFeeDistributor, uint96 _clientBasisPoints ); /// @notice Emits when a new P2pEth2Depositor contract address has been set. /// @param _p2pEth2Depositor the address of the new P2pEth2Depositor contract event FeeDistributorFactory__P2pEth2DepositorSet( address indexed _p2pEth2Depositor ); /// @notice Emits when a new value of defaultClientBasisPoints has been set. /// @param _defaultClientBasisPoints new value of defaultClientBasisPoints event FeeDistributorFactory__DefaultClientBasisPointsSet( uint96 _defaultClientBasisPoints ); /// @notice Creates a FeeDistributor instance for a client /// @dev _referrerConfig can be zero if there is no referrer. /// /// @param _referenceFeeDistributor The address of the reference implementation of FeeDistributor used as the basis for clones /// @param _clientConfig address and basis points (percent * 100) of the client /// @param _referrerConfig address and basis points (percent * 100) of the referrer. /// @return newFeeDistributorAddress user FeeDistributor instance that has just been deployed function createFeeDistributor( address _referenceFeeDistributor, FeeRecipient calldata _clientConfig, FeeRecipient calldata _referrerConfig ) external returns (address newFeeDistributorAddress); /// @notice Computes the address of a FeeDistributor created by `createFeeDistributor` function /// @dev FeeDistributor instances are guaranteed to have the same address if all of /// 1) referenceFeeDistributor 2) clientConfig 3) referrerConfig /// are the same /// @param _referenceFeeDistributor The address of the reference implementation of FeeDistributor used as the basis for clones /// @param _clientConfig address and basis points (percent * 100) of the client /// @param _referrerConfig address and basis points (percent * 100) of the referrer. /// @return address user FeeDistributor instance that will be or has been deployed function predictFeeDistributorAddress( address _referenceFeeDistributor, FeeRecipient calldata _clientConfig, FeeRecipient calldata _referrerConfig ) external view returns (address); /// @notice Returns an array of client FeeDistributors /// @param _client client address /// @return address[] array of client FeeDistributors function allClientFeeDistributors( address _client ) external view returns (address[] memory); /// @notice Returns an array of all FeeDistributors for all clients /// @return address[] array of all FeeDistributors function allFeeDistributors() external view returns (address[] memory); /// @notice The address of P2pEth2Depositor /// @return address of P2pEth2Depositor function p2pEth2Depositor() external view returns (address); /// @notice Returns default client basis points /// @return default client basis points function defaultClientBasisPoints() external view returns (uint96); /// @notice Returns the current operator /// @return address of the current operator function operator() external view returns (address); /// @notice Reverts if the passed address is neither operator nor owner /// @param _address passed address function checkOperatorOrOwner(address _address) external view; /// @notice Reverts if the passed address is not P2pEth2Depositor /// @param _address passed address function checkP2pEth2Depositor(address _address) external view; /// @notice Reverts if the passed address is neither of: 1) operator 2) owner 3) P2pEth2Depositor /// @param _address passed address function check_Operator_Owner_P2pEth2Depositor(address _address) external view; }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]>, Lido <[email protected]> // SPDX-License-Identifier: MIT // https://github.com/lidofinance/lido-otc-seller/blob/master/contracts/lib/AssetRecoverer.sol pragma solidity 0.8.10; import "./TokenRecoverer.sol"; import "../access/OwnableBase.sol"; /// @title Token Recoverer with public functions callable by assetAccessingAddress /// @notice Recover ERC20, ERC721 and ERC1155 from a derived contract abstract contract OwnableTokenRecoverer is TokenRecoverer, OwnableBase { // Functions /** * @notice transfer an ERC20 token from this contract * @dev `SafeERC20.safeTransfer` doesn't always return a bool * as it performs an internal `require` check * @param _token address of the ERC20 token * @param _recipient address to transfer the tokens to * @param _amount amount of tokens to transfer */ function transferERC20( address _token, address _recipient, uint256 _amount ) external onlyOwner { _transferERC20(_token, _recipient, _amount); } /** * @notice transfer an ERC721 token from this contract * @dev `IERC721.safeTransferFrom` doesn't always return a bool * as it performs an internal `require` check * @param _token address of the ERC721 token * @param _recipient address to transfer the token to * @param _tokenId id of the individual token */ function transferERC721( address _token, address _recipient, uint256 _tokenId ) external onlyOwner { _transferERC721(_token, _recipient, _tokenId); } /** * @notice transfer an ERC1155 token from this contract * @dev see `AssetRecoverer` * @param _token address of the ERC1155 token that is being recovered * @param _recipient address to transfer the token to * @param _tokenId id of the individual token to transfer * @param _amount amount of tokens to transfer * @param _data data to transfer along */ function transferERC1155( address _token, address _recipient, uint256 _tokenId, uint256 _amount, bytes calldata _data ) external onlyOwner { _transferERC1155(_token, _recipient, _tokenId, _amount, _data); } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "../structs/P2pStructs.sol"; /// @dev External interface of FeeDistributor declared to support ERC165 detection. interface IFeeDistributor is IERC165 { /// @notice Emits once the client and the optional referrer have been set. /// @param _client address of the client. /// @param _clientBasisPoints basis points (percent * 100) of EL rewards that should go to the client /// @param _referrer address of the referrer. /// @param _referrerBasisPoints basis points (percent * 100) of EL rewards that should go to the referrer event FeeDistributor__Initialized( address indexed _client, uint96 _clientBasisPoints, address indexed _referrer, uint96 _referrerBasisPoints ); /// @notice Emits on successful withdrawal /// @param _serviceAmount how much wei service received /// @param _clientAmount how much wei client received /// @param _referrerAmount how much wei referrer received event FeeDistributor__Withdrawn( uint256 _serviceAmount, uint256 _clientAmount, uint256 _referrerAmount ); /// @notice Emits on request for a voluntary exit of validators /// @param _pubkeys pubkeys of validators event FeeDistributor__VoluntaryExit( bytes[] _pubkeys ); /// @notice Emits if case there was some ether left after `withdraw` and it has been sent successfully. /// @param _to destination address for ether. /// @param _amount how much wei the destination address received. event FeeDistributor__EtherRecovered( address indexed _to, uint256 _amount ); /// @notice Set client address. /// @dev Could not be in the constructor since it is different for different clients. /// _referrerConfig can be zero if there is no referrer. /// @param _clientConfig address and basis points (percent * 100) of the client /// @param _referrerConfig address and basis points (percent * 100) of the referrer. function initialize( FeeRecipient calldata _clientConfig, FeeRecipient calldata _referrerConfig ) external; /// @notice Increase the number of deposited validators. /// @dev Should be called when a new ETH2 deposit has been made /// @param _validatorCountToAdd number of newly deposited validators function increaseDepositedCount( uint32 _validatorCountToAdd ) external; /// @notice Request a voluntary exit of validators /// @dev Should be called by the client when they want to signal P2P that certain validators need to be exited /// @param _pubkeys pubkeys of validators function voluntaryExit( bytes[] calldata _pubkeys ) external; /// @notice Returns the factory address /// @return address factory address function factory() external view returns (address); /// @notice Returns the service address /// @return address service address function service() external view returns (address); /// @notice Returns the client address /// @return address client address function client() external view returns (address); /// @notice Returns the client basis points /// @return uint256 client basis points function clientBasisPoints() external view returns (uint256); /// @notice Returns the referrer address /// @return address referrer address function referrer() external view returns (address); /// @notice Returns the referrer basis points /// @return uint256 referrer basis points function referrerBasisPoints() external view returns (uint256); /// @notice Returns the address for ETH2 0x01 withdrawal credentials associated with this FeeDistributor /// @dev Return FeeDistributor's own address if FeeDistributor should be CL rewards recipient /// Otherwise, return the client address /// @return address address for ETH2 0x01 withdrawal credentials function eth2WithdrawalCredentialsAddress() external view returns (address); }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "../access/IOwnable.sol"; /** * @dev External interface of Oracle declared to support ERC165 detection. */ interface IOracle is IOwnable, IERC165 { // Events /** * @notice Emits when a new oracle report (Merkle root) recorded * @param _root Merkle root */ event Oracle__Reported(bytes32 indexed _root); // Functions /** * @notice Set a new oracle report (Merkle root) * @param _root Merkle root */ function report(bytes32 _root) external; /** * @notice Verify Merkle proof (that the leaf belongs to the tree) * @param _proof Merkle proof (the leaf's sibling, and each non-leaf hash that could not otherwise be calculated without additional leaf nodes) * @param _feeDistributorInstance feeDistributor instance address * @param _amountInGwei total CL rewards earned by all validators in GWei (see _validatorCount) */ function verify( bytes32[] calldata _proof, address _feeDistributorInstance, uint256 _amountInGwei ) external view; }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../feeDistributor/IFeeDistributor.sol"; /// @dev 256 bit struct /// @member basisPoints basis points (percent * 100) of EL rewards that should go to the recipient /// @member recipient address of the recipient struct FeeRecipient { uint96 basisPoints; address payable recipient; } /// @dev 256 bit struct /// @member depositedCount the number of deposited validators /// @member exitedCount the number of validators requested to exit /// @member collateralReturnedValue amount of ETH returned to the client to cover the collaterals /// @member cooldownUntil timestamp after which it will be possible to withdraw ignoring the client's revert on ETH receive struct ValidatorData { uint32 depositedCount; uint32 exitedCount; uint112 collateralReturnedValue; uint80 cooldownUntil; } /// @dev status of the client deposit /// @member None default status indicating that no ETH is waiting to be forwarded to Beacon DepositContract /// @member EthAdded client added ETH /// @member BeaconDepositInProgress P2P has forwarded some (but not all) ETH to Beacon DepositContract /// If all ETH has been forwarded, the status will be None. /// @member ServiceRejected P2P has rejected the service for a given FeeDistributor instance // The client can get a refund immediately. enum ClientDepositStatus { None, EthAdded, BeaconDepositInProgress, ServiceRejected } /// @dev 256 bit struct /// @member amount amount of ETH in wei to be used for an ETH2 deposit corresponding to a particular FeeDistributor instance /// @member expiration block timestamp after which the client will be able to get a refund /// @member status deposit status /// @member reservedForFutureUse unused space making up to 256 bit struct ClientDeposit { uint112 amount; uint40 expiration; ClientDepositStatus status; uint96 reservedForFutureUse; }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/security/ReentrancyGuard.sol"; import "../@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "../@openzeppelin/contracts/utils/introspection/ERC165Checker.sol"; import "../feeDistributorFactory/IFeeDistributorFactory.sol"; import "../assetRecovering/OwnableTokenRecoverer.sol"; import "../access/OwnableWithOperator.sol"; import "./IFeeDistributor.sol"; import "./FeeDistributorErrors.sol"; import "../structs/P2pStructs.sol"; import "../lib/P2pAddressLib.sol"; import "./Erc4337Account.sol"; /// @title Common logic for all FeeDistributor types abstract contract BaseFeeDistributor is Erc4337Account, OwnableTokenRecoverer, OwnableWithOperator, ReentrancyGuard, ERC165, IFeeDistributor { /// @notice FeeDistributorFactory address IFeeDistributorFactory internal immutable i_factory; /// @notice P2P fee recipient address address payable internal immutable i_service; /// @notice Client rewards recipient address and basis points FeeRecipient internal s_clientConfig; /// @notice Referrer rewards recipient address and basis points FeeRecipient internal s_referrerConfig; /// @notice If caller not client, revert modifier onlyClient() { address clientAddress = s_clientConfig.recipient; if (clientAddress != msg.sender) { revert FeeDistributor__CallerNotClient(msg.sender, clientAddress); } _; } /// @notice If caller not factory, revert modifier onlyFactory() { if (msg.sender != address(i_factory)) { revert FeeDistributor__NotFactoryCalled(msg.sender, i_factory); } _; } /// @dev Set values that are constant, common for all the clients, known at the initial deploy time. /// @param _factory address of FeeDistributorFactory /// @param _service address of the service (P2P) fee recipient constructor( address _factory, address payable _service ) { if (!ERC165Checker.supportsInterface(_factory, type(IFeeDistributorFactory).interfaceId)) { revert FeeDistributor__NotFactory(_factory); } if (_service == address(0)) { revert FeeDistributor__ZeroAddressService(); } i_factory = IFeeDistributorFactory(_factory); i_service = _service; bool serviceCanReceiveEther = P2pAddressLib._sendValue(_service, 0); if (!serviceCanReceiveEther) { revert FeeDistributor__ServiceCannotReceiveEther(_service); } } /// @inheritdoc IFeeDistributor function initialize( FeeRecipient calldata _clientConfig, FeeRecipient calldata _referrerConfig ) public virtual onlyFactory { if (_clientConfig.recipient == address(0)) { revert FeeDistributor__ZeroAddressClient(); } if (_clientConfig.recipient == i_service) { revert FeeDistributor__ClientAddressEqualsService(_clientConfig.recipient); } if (s_clientConfig.recipient != address(0)) { revert FeeDistributor__ClientAlreadySet(s_clientConfig.recipient); } if (_clientConfig.basisPoints >= 10000) { revert FeeDistributor__InvalidClientBasisPoints(_clientConfig.basisPoints); } if (_referrerConfig.recipient != address(0)) {// if there is a referrer if (_referrerConfig.recipient == i_service) { revert FeeDistributor__ReferrerAddressEqualsService(_referrerConfig.recipient); } if (_referrerConfig.recipient == _clientConfig.recipient) { revert FeeDistributor__ReferrerAddressEqualsClient(_referrerConfig.recipient); } if (_referrerConfig.basisPoints == 0) { revert FeeDistributor__ZeroReferrerBasisPointsForNonZeroReferrer(); } if (_clientConfig.basisPoints + _referrerConfig.basisPoints > 10000) { revert FeeDistributor__ClientPlusReferralBasisPointsExceed10000( _clientConfig.basisPoints, _referrerConfig.basisPoints ); } // set referrer config s_referrerConfig = _referrerConfig; } else {// if there is no referrer if (_referrerConfig.basisPoints != 0) { revert FeeDistributor__ReferrerBasisPointsMustBeZeroIfAddressIsZero(_referrerConfig.basisPoints); } } // set client config s_clientConfig = _clientConfig; emit FeeDistributor__Initialized( _clientConfig.recipient, _clientConfig.basisPoints, _referrerConfig.recipient, _referrerConfig.basisPoints ); bool clientCanReceiveEther = P2pAddressLib._sendValue(_clientConfig.recipient, 0); if (!clientCanReceiveEther) { revert FeeDistributor__ClientCannotReceiveEther(_clientConfig.recipient); } if (_referrerConfig.recipient != address(0)) {// if there is a referrer bool referrerCanReceiveEther = P2pAddressLib._sendValue(_referrerConfig.recipient, 0); if (!referrerCanReceiveEther) { revert FeeDistributor__ReferrerCannotReceiveEther(_referrerConfig.recipient); } } } /// @notice Accept ether from transactions receive() external payable { // only accept ether in an instance, not in a template if (s_clientConfig.recipient == address(0)) { revert FeeDistributor__ClientNotSet(); } } /// @inheritdoc IFeeDistributor function increaseDepositedCount(uint32 _validatorCountToAdd) external virtual { // Do nothing by default. Can be overridden. } /// @inheritdoc IFeeDistributor function voluntaryExit(bytes[] calldata _pubkeys) public virtual onlyClient { emit FeeDistributor__VoluntaryExit(_pubkeys); } /// @inheritdoc IFeeDistributor function factory() external view returns (address) { return address(i_factory); } /// @inheritdoc IFeeDistributor function service() external view returns (address) { return i_service; } /// @inheritdoc IFeeDistributor function client() public view override(Erc4337Account, IFeeDistributor) returns (address) { return s_clientConfig.recipient; } /// @inheritdoc IFeeDistributor function clientBasisPoints() external view returns (uint256) { return s_clientConfig.basisPoints; } /// @inheritdoc IFeeDistributor function referrer() external view returns (address) { return s_referrerConfig.recipient; } /// @inheritdoc IFeeDistributor function referrerBasisPoints() external view returns (uint256) { return s_referrerConfig.basisPoints; } /// @inheritdoc IFeeDistributor function eth2WithdrawalCredentialsAddress() external virtual view returns (address); /// @inheritdoc ERC165 function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IFeeDistributor).interfaceId || super.supportsInterface(interfaceId); } /// @inheritdoc IOwnable function owner() public view override(Erc4337Account, OwnableBase, Ownable) returns (address) { return i_factory.owner(); } /// @inheritdoc IOwnableWithOperator function operator() public view override(Erc4337Account, OwnableWithOperator) returns (address) { return super.operator(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) pragma solidity 0.8.10; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; /** * @dev External interface of Ownable. */ interface IOwnable { /** * @dev Returns the address of the current owner. */ function owner() external view returns (address); }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]>, Lido <[email protected]> // SPDX-License-Identifier: MIT // https://github.com/lidofinance/lido-otc-seller/blob/master/contracts/lib/AssetRecoverer.sol pragma solidity 0.8.10; import {IERC20} from "../@openzeppelin/contracts/token/ERC20/IERC20.sol"; import {IERC721} from "../@openzeppelin/contracts/token/ERC721/IERC721.sol"; import {IERC1155} from "../@openzeppelin/contracts/token/ERC1155/IERC1155.sol"; import {SafeERC20} from "../@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; /** * @notice prevents burn for transfer functions * @dev _recipient should not be a zero address */ error TokenRecoverer__NoBurn(); /// @title Token Recoverer /// @notice Recover ERC20, ERC721 and ERC1155 from a derived contract abstract contract TokenRecoverer { using SafeERC20 for IERC20; event ERC20Transferred(address indexed _token, address indexed _recipient, uint256 _amount); event ERC721Transferred(address indexed _token, address indexed _recipient, uint256 _tokenId); event ERC1155Transferred(address indexed _token, address indexed _recipient, uint256 _tokenId, uint256 _amount, bytes _data); /** * @notice prevents burn for transfer functions * @dev checks for zero address and reverts if true * @param _recipient address of the transfer recipient */ modifier burnDisallowed(address _recipient) { if (_recipient == address(0)) { revert TokenRecoverer__NoBurn(); } _; } /** * @notice transfer an ERC20 token from this contract * @dev `SafeERC20.safeTransfer` doesn't always return a bool * as it performs an internal `require` check * @param _token address of the ERC20 token * @param _recipient address to transfer the tokens to * @param _amount amount of tokens to transfer */ function _transferERC20( address _token, address _recipient, uint256 _amount ) internal virtual burnDisallowed(_recipient) { IERC20(_token).safeTransfer(_recipient, _amount); emit ERC20Transferred(_token, _recipient, _amount); } /** * @notice transfer an ERC721 token from this contract * @dev `IERC721.safeTransferFrom` doesn't always return a bool * as it performs an internal `require` check * @param _token address of the ERC721 token * @param _recipient address to transfer the token to * @param _tokenId id of the individual token */ function _transferERC721( address _token, address _recipient, uint256 _tokenId ) internal virtual burnDisallowed(_recipient) { IERC721(_token).transferFrom(address(this), _recipient, _tokenId); emit ERC721Transferred(_token, _recipient, _tokenId); } /** * @notice transfer an ERC1155 token from this contract * @dev `IERC1155.safeTransferFrom` doesn't always return a bool * as it performs an internal `require` check * @param _token address of the ERC1155 token that is being recovered * @param _recipient address to transfer the token to * @param _tokenId id of the individual token to transfer * @param _amount amount of tokens to transfer * @param _data data to transfer along */ function _transferERC1155( address _token, address _recipient, uint256 _tokenId, uint256 _amount, bytes calldata _data ) internal virtual burnDisallowed(_recipient) { IERC1155(_token).safeTransferFrom(address(this), _recipient, _tokenId, _amount, _data); emit ERC1155Transferred(_token, _recipient, _tokenId, _amount, _data); } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/utils/Context.sol"; import "./IOwnable.sol"; /** * @notice Throws if called by any account other than the owner. * @param _caller address of the caller * @param _owner address of the owner */ error OwnableBase__CallerNotOwner(address _caller, address _owner); /** * @dev minimalistic version of OpenZeppelin's Ownable. * The owner is abstract and is not persisted in storage. * Needs to be overridden in a child contract. */ abstract contract OwnableBase is Context, IOwnable { /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { address caller = _msgSender(); address currentOwner = owner(); if (currentOwner != caller) { revert OwnableBase__CallerNotOwner(caller, currentOwner); } _; } /** * @dev Returns the address of the current owner. * Needs to be overridden in a child contract. */ function owner() public view virtual override returns (address); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity 0.8.10; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol) pragma solidity 0.8.10; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol) pragma solidity 0.8.10; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity 0.8.10; import "../IERC20.sol"; import "../extensions/draft-IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity 0.8.10; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity 0.8.10; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity 0.8.10; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "./Ownable2Step.sol"; import "./IOwnableWithOperator.sol"; /** * @notice newOperator is the zero address */ error Access__ZeroNewOperator(); /** * @notice newOperator is the same as the old one */ error Access__SameOperator(address _operator); /** * @notice caller is neither the operator nor owner */ error Access__CallerNeitherOperatorNorOwner(address _caller, address _operator, address _owner); /** * @notice address is neither the operator nor owner */ error Access__AddressNeitherOperatorNorOwner(address _address, address _operator, address _owner); /** * @dev Ownable with an additional role of operator */ abstract contract OwnableWithOperator is Ownable2Step, IOwnableWithOperator { address private s_operator; /** * @dev Emits when the operator has been changed * @param _previousOperator address of the previous operator * @param _newOperator address of the new operator */ event OperatorChanged( address indexed _previousOperator, address indexed _newOperator ); /** * @dev Throws if called by any account other than the operator or the owner. */ modifier onlyOperatorOrOwner() { address currentOwner = owner(); address currentOperator = s_operator; if (currentOperator != _msgSender() && currentOwner != _msgSender()) { revert Access__CallerNeitherOperatorNorOwner(_msgSender(), currentOperator, currentOwner); } _; } function checkOperatorOrOwner(address _address) public view virtual { address currentOwner = owner(); address currentOperator = s_operator; if (_address == address(0) || (currentOperator != _address && currentOwner != _address)) { revert Access__AddressNeitherOperatorNorOwner(_address, currentOperator, currentOwner); } } /** * @dev Returns the current operator. */ function operator() public view virtual returns (address) { return s_operator; } /** * @dev Transfers operator to a new account (`newOperator`). * Can only be called by the current owner. */ function changeOperator(address _newOperator) external virtual onlyOwner { if (_newOperator == address(0)) { revert Access__ZeroNewOperator(); } if (_newOperator == s_operator) { revert Access__SameOperator(_newOperator); } _changeOperator(_newOperator); } /** * @dev Transfers operator to a new account (`newOperator`). * Internal function without access restriction. */ function _changeOperator(address _newOperator) internal virtual { address oldOperator = s_operator; s_operator = _newOperator; emit OperatorChanged(oldOperator, _newOperator); } /** * @dev Dismisses the old operator without setting a new one. * Can only be called by the current owner. */ function dismissOperator() external virtual onlyOwner { _changeOperator(address(0)); } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../feeDistributorFactory/IFeeDistributorFactory.sol"; /// @notice Should be a FeeDistributorFactory contract /// @param _passedAddress passed address that does not support IFeeDistributorFactory interface error FeeDistributor__NotFactory(address _passedAddress); /// @notice Service address should be a secure P2P address, not zero. error FeeDistributor__ZeroAddressService(); /// @notice Client address should be different from service address. /// @param _passedAddress passed client address that equals to the service address error FeeDistributor__ClientAddressEqualsService(address _passedAddress); /// @notice Client address should be an actual client address, not zero. error FeeDistributor__ZeroAddressClient(); /// @notice Client basis points should be >= 0 and <= 10000 /// @param _clientBasisPoints passed incorrect client basis points error FeeDistributor__InvalidClientBasisPoints(uint96 _clientBasisPoints); /// @notice Referrer basis points should be > 0 if the referrer exists error FeeDistributor__ZeroReferrerBasisPointsForNonZeroReferrer(); /// @notice The sum of (Client basis points + Referral basis points) should be >= 0 and <= 10000 /// @param _clientBasisPoints passed client basis points /// @param _referralBasisPoints passed referral basis points error FeeDistributor__ClientPlusReferralBasisPointsExceed10000(uint96 _clientBasisPoints, uint96 _referralBasisPoints); /// @notice Referrer address should be different from service address. /// @param _passedAddress passed referrer address that equals to the service address error FeeDistributor__ReferrerAddressEqualsService(address _passedAddress); /// @notice Referrer address should be different from client address. /// @param _passedAddress passed referrer address that equals to the client address error FeeDistributor__ReferrerAddressEqualsClient(address _passedAddress); /// @notice Only factory can call `initialize`. /// @param _msgSender sender address. /// @param _actualFactory the actual factory address that can call `initialize`. error FeeDistributor__NotFactoryCalled(address _msgSender, IFeeDistributorFactory _actualFactory); /// @notice `initialize` should only be called once. /// @param _existingClient address of the client with which the contact has already been initialized. error FeeDistributor__ClientAlreadySet(address _existingClient); /// @notice Cannot call `withdraw` if the client address is not set yet. /// @dev The client address is supposed to be set by the factory. error FeeDistributor__ClientNotSet(); /// @notice basisPoints of the referrer must be zero if referrer address is empty. /// @param _referrerBasisPoints basisPoints of the referrer. error FeeDistributor__ReferrerBasisPointsMustBeZeroIfAddressIsZero(uint96 _referrerBasisPoints); /// @notice service should be able to receive ether. /// @param _service address of the service. error FeeDistributor__ServiceCannotReceiveEther(address _service); /// @notice client should be able to receive ether. /// @param _client address of the client. error FeeDistributor__ClientCannotReceiveEther(address _client); /// @notice referrer should be able to receive ether. /// @param _referrer address of the referrer. error FeeDistributor__ReferrerCannotReceiveEther(address _referrer); /// @notice zero ether balance error FeeDistributor__NothingToWithdraw(); /// @notice Throws if called by any account other than the client. /// @param _caller address of the caller /// @param _client address of the client error FeeDistributor__CallerNotClient(address _caller, address _client); /// @notice Throws in case there was some ether left after `withdraw` and it has failed to recover. /// @param _to destination address for ether. /// @param _amount how much wei the destination address should have received, but didn't. error FeeDistributor__EtherRecoveryFailed( address _to, uint256 _amount ); /// @notice ETH receiver should not be a zero address error FeeDistributor__ZeroAddressEthReceiver();
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; library P2pAddressLib { /// @notice Sends amount of ETH in wei to recipient /// @param _recipient address of recipient /// @param _amount amount of ETH in wei /// @return bool whether send succeeded function _sendValue(address payable _recipient, uint256 _amount) internal returns (bool) { (bool success, ) = _recipient.call{ value: _amount, gas: gasleft() / 4 // to prevent DOS, should be enough in normal cases }(""); return success; } /// @notice Sends amount of ETH in wei to recipient /// @param _recipient address of recipient /// @param _amount amount of ETH in wei /// @return bool whether send succeeded function _sendValueWithoutGasRestrictions(address payable _recipient, uint256 _amount) internal returns (bool) { (bool success, ) = _recipient.call{ value: _amount }(""); return success; } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "../@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; import "../erc4337/IAccount.sol"; import "../erc4337/IEntryPointStakeManager.sol"; import "../erc4337/UserOperation.sol"; import "../access/IOwnableWithOperator.sol"; /// @notice passed address should be a valid ERC-4337 entryPoint /// @param _passedAddress passed address error Erc4337Account__NotEntryPoint(address _passedAddress); /// @notice data length should be at least 4 byte to be a function signature error Erc4337Account__DataTooShort(); /// @notice only withdraw function is allowed to be called via ERC-4337 UserOperation error Erc4337Account__OnlyWithdrawIsAllowed(); /// @notice only client, owner, and operator are allowed to withdraw from EntryPoint error Erc4337Account__NotAllowedToWithdrawFromEntryPoint(); /// @title gasless withdraw for FeeDistributors via ERC-4337 abstract contract Erc4337Account is IAccount, IOwnableWithOperator { using ECDSA for bytes32; /// @notice withdraw without arguments bytes4 private constant defaultWithdrawSelector = bytes4(keccak256("withdraw()")); /// @notice Singleton ERC-4337 entryPoint 0.6.0 used by this account address payable constant entryPoint = payable(0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789); /// @inheritdoc IAccount function validateUserOp( UserOperation calldata userOp, bytes32 userOpHash, uint256 missingAccountFunds ) external override returns (uint256 validationData) { if (msg.sender != entryPoint) { revert Erc4337Account__NotEntryPoint(msg.sender); } validationData = _validateSignature(userOp, userOpHash); bytes4 selector = _getFunctionSelector(userOp.callData); if (selector != withdrawSelector()) { revert Erc4337Account__OnlyWithdrawIsAllowed(); } _payPrefund(missingAccountFunds); } /// @notice Withdraw this contract's balance from EntryPoint back to this contract function withdrawFromEntryPoint() external { if (!( msg.sender == owner() || msg.sender == operator() || msg.sender == client() )) { revert Erc4337Account__NotAllowedToWithdrawFromEntryPoint(); } uint256 balance = IEntryPointStakeManager(entryPoint).balanceOf(address(this)); IEntryPointStakeManager(entryPoint).withdrawTo(payable(address(this)), balance); } /// @notice Validates the signature of a user operation. /// @param _userOp the operation that is about to be executed. /// @param _userOpHash hash of the user's request data. can be used as the basis for signature. /// @return validationData 0 for valid signature, 1 to mark signature failure function _validateSignature( UserOperation calldata _userOp, bytes32 _userOpHash ) private view returns (uint256 validationData) { bytes32 hash = _userOpHash.toEthSignedMessageHash(); address signer = hash.recover(_userOp.signature); if ( signer == operator() || signer == client() ) { validationData = 0; } else { validationData = 1; } } /// @notice Returns function selector (first 4 bytes of data) /// @param _data calldata (encoded signature + arguments) /// @return functionSelector function selector function _getFunctionSelector(bytes calldata _data) private pure returns (bytes4 functionSelector) { if (_data.length < 4) { revert Erc4337Account__DataTooShort(); } return bytes4(_data[:4]); } /// @notice sends to the entrypoint (msg.sender) the missing funds for this transaction. /// @param _missingAccountFunds the minimum value this method should send the entrypoint. /// this value MAY be zero, in case there is enough deposit, or the userOp has a paymaster. function _payPrefund(uint256 _missingAccountFunds) private { if (_missingAccountFunds != 0) { (bool success, ) = payable(msg.sender).call{ value: _missingAccountFunds, gas: type(uint256).max }(""); (success); //ignore failure (its EntryPoint's job to verify, not account.) } } /// @notice Returns the client address /// @return address client address function client() public view virtual returns (address); /// @inheritdoc IOwnable function owner() public view virtual returns (address); /// @inheritdoc IOwnableWithOperator function operator() public view virtual returns (address); /// @notice withdraw function selector /// @dev since withdraw function in derived contracts can have arguments, its /// signature can vary and can be overridden in derived contracts /// @return bytes4 withdraw function selector function withdrawSelector() public pure virtual returns (bytes4) { return defaultWithdrawSelector; } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]>, OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "./Ownable.sol"; /** * @notice caller must be pendingOwner */ error Ownable2Step__CallerNotNewOwner(); /** * @notice new owner address should be different from the current owner */ error Ownable2Step__NewOwnerShouldNotBeCurrentOwner(); /** * @dev Contract module which provides access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership} and {acceptOwnership}. * * This module is used through inheritance. It will make available all functions * from parent (Ownable). */ abstract contract Ownable2Step is Ownable { address private s_pendingOwner; /** * @dev Emits in transferOwnership (start of the transfer) * @param _previousOwner address of the previous owner * @param _newOwner address of the new owner */ event OwnershipTransferStarted(address indexed _previousOwner, address indexed _newOwner); /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view virtual returns (address) { return s_pendingOwner; } /** * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual override onlyOwner { address currentOwner = owner(); if (newOwner == currentOwner) { revert Ownable2Step__NewOwnerShouldNotBeCurrentOwner(); } s_pendingOwner = newOwner; emit OwnershipTransferStarted(currentOwner, newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner. * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual override { delete s_pendingOwner; super._transferOwnership(newOwner); } /** * @dev The new owner accepts the ownership transfer. */ function acceptOwnership() external { address sender = _msgSender(); if (pendingOwner() != sender) { revert Ownable2Step__CallerNotNewOwner(); } _transferOwnership(sender); } }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "./IOwnable.sol"; /** * @dev Ownable with an additional role of operator */ interface IOwnableWithOperator is IOwnable { /** * @dev Returns the current operator. */ function operator() external view returns (address); }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]>, OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) // SPDX-License-Identifier: MIT pragma solidity 0.8.10; import "./OwnableBase.sol"; /** * @notice _newOwner cannot be a zero address */ error Ownable__NewOwnerIsZeroAddress(); /** * @dev OpenZeppelin's Ownable with modifier onlyOwner extracted to OwnableBase * and removed `renounceOwnership` */ abstract contract Ownable is OwnableBase { /** * @dev Emits when the owner has been changed. * @param _previousOwner address of the previous owner * @param _newOwner address of the new owner */ event OwnershipTransferred(address indexed _previousOwner, address indexed _newOwner); address private s_owner; /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual override returns (address) { return s_owner; } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. * @param _newOwner address of the new owner */ function transferOwnership(address _newOwner) external virtual onlyOwner { if (_newOwner == address(0)) { revert Ownable__NewOwnerIsZeroAddress(); } _transferOwnership(_newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. * @param _newOwner address of the new owner */ function _transferOwnership(address _newOwner) internal virtual { address oldOwner = s_owner; s_owner = _newOwner; emit OwnershipTransferred(oldOwner, _newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol) pragma solidity 0.8.10; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { // Check the signature length // - case 65: r,s,v signature (standard) // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._ if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else if (signature.length == 64) { bytes32 r; bytes32 vs; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly { r := mload(add(signature, 0x20)) vs := mload(add(signature, 0x40)) } return tryRecover(hash, r, vs); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s; uint8 v; assembly { s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff) v := add(shr(255, vs), 27) } return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.10; import "./UserOperation.sol"; interface IAccount { /** * Validate user's signature and nonce * the entryPoint will make the call to the recipient only if this validation call returns successfully. * signature failure should be reported by returning SIG_VALIDATION_FAILED (1). * This allows making a "simulation call" without a valid signature * Other failures (e.g. nonce mismatch, or invalid signature format) should still revert to signal failure. * * @dev Must validate caller is the entryPoint. * Must validate the signature and nonce * @param userOp the operation that is about to be executed. * @param userOpHash hash of the user's request data. can be used as the basis for signature. * @param missingAccountFunds missing funds on the account's deposit in the entrypoint. * This is the minimum amount to transfer to the sender(entryPoint) to be able to make the call. * The excess is left as a deposit in the entrypoint, for future calls. * can be withdrawn anytime using "entryPoint.withdrawTo()" * In case there is a paymaster in the request (or the current deposit is high enough), this value will be zero. * @return validationData packaged ValidationData structure. use `_packValidationData` and `_unpackValidationData` to encode and decode * <20-byte> sigAuthorizer - 0 for valid signature, 1 to mark signature failure, * otherwise, an address of an "authorizer" contract. * <6-byte> validUntil - last timestamp this operation is valid. 0 for "indefinite" * <6-byte> validAfter - first timestamp this operation is valid * If an account doesn't use time-range, it is enough to return SIG_VALIDATION_FAILED value (1) for signature failure. * Note that the validation code cannot use block.timestamp (or block.number) directly. */ function validateUserOp(UserOperation calldata userOp, bytes32 userOpHash, uint256 missingAccountFunds) external returns (uint256 validationData); }
// SPDX-FileCopyrightText: 2023 P2P Validator <[email protected]> // SPDX-License-Identifier: MIT pragma solidity 0.8.10; interface IEntryPointStakeManager { /// @return the deposit (for gas payment) of the account function balanceOf(address account) external view returns (uint256); /** * withdraw from the deposit. * @param withdrawAddress the address to send withdrawn value. * @param withdrawAmount the amount to withdraw. */ function withdrawTo(address payable withdrawAddress, uint256 withdrawAmount) external; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity 0.8.10; /** * User Operation struct * @param sender the sender account of this request. * @param nonce unique value the sender uses to verify it is not a replay. * @param initCode if set, the account contract will be created by this constructor/ * @param callData the method call to execute on this account. * @param callGasLimit the gas limit passed to the callData method call. * @param verificationGasLimit gas used for validateUserOp and validatePaymasterUserOp. * @param preVerificationGas gas not calculated by the handleOps method, but added to the gas paid. Covers batch overhead. * @param maxFeePerGas same as EIP-1559 gas parameter. * @param maxPriorityFeePerGas same as EIP-1559 gas parameter. * @param paymasterAndData if set, this field holds the paymaster address and paymaster-specific data. the paymaster will pay for the transaction instead of the sender. * @param signature sender-verified signature over the entire request, the EntryPoint address and the chain ID. */ struct UserOperation { address sender; uint256 nonce; bytes initCode; bytes callData; uint256 callGasLimit; uint256 verificationGasLimit; uint256 preVerificationGas; uint256 maxFeePerGas; uint256 maxPriorityFeePerGas; bytes paymasterAndData; bytes signature; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Strings.sol) pragma solidity 0.8.10; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
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Multichain Portfolio | 26 Chains
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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.