ERC-20
Overview
Max Total Supply
3,405,305.34515 ERC20 ***
Holders
19
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 6 Decimals)
Balance
0 ERC20 ***Value
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Contract Name:
AaveV3USDCPortfolio
Compiler Version
v0.8.13+commit.abaa5c0e
Optimization Enabled:
Yes with 9999999 runs
Other Settings:
london EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
//SPDX-License-Identifier: BSD 3-Clause pragma solidity 0.8.13; import {Registry} from "../Registry.sol"; import {Portfolio} from "../Portfolio.sol"; import {IAToken, IV3Pool} from "../interfaces/IAave.sol"; import {Auth} from "../lib/auth/Auth.sol"; import {Math} from "../lib/Math.sol"; import {ERC20} from "solmate/tokens/ERC20.sol"; import {SafeTransferLib} from "solmate/utils/SafeTransferLib.sol"; contract AaveV3USDCPortfolio is Portfolio { using SafeTransferLib for ERC20; using Math for uint256; /// @notice Address of the Aave V3 pool. IV3Pool public immutable aavePool; /// @notice Address of the Aave V3 USDC token. IAToken public immutable ausdc; /// @notice Aave referral code. uint16 public referralCode = 0; /// @dev Thrown when there's a mismatch between constructor arguments and the underlying asset. error AssetMismatch(); /// @dev Thrown when sync is called after shutdown. error SyncAfterShutdown(); /// @dev Emitted when the Aave referral code is set. event ReferralCodeSet(uint16 referralCode); /** * @param _registry Endaoment registry. * @param _receiptAsset Receipt token for this portfolio. * @param _cap Amount of baseToken that this portfolio's asset balance should not exceed. * @param _feeTreasury Address of the treasury that should receive fees. * @param _depositFee Percentage fee as ZOC that should go to treasury on deposit. (100 = 1%). * @param _redemptionFee Percentage fee as ZOC that should go to treasury on redemption. (100 = 1%). * @param _aumRate Percentage fee per second (as WAD) that should accrue to treasury as AUM fee. (1e16 = 1%). * @param _aavePool Aave V3 pool address. */ constructor( Registry _registry, address _receiptAsset, uint256 _cap, address _feeTreasury, uint256 _depositFee, uint256 _redemptionFee, uint256 _aumRate, IV3Pool _aavePool ) Portfolio( _registry, _receiptAsset, "Aave V3 USDC Portfolio Shares", "aUSDCv3-PS", _cap, _feeTreasury, _depositFee, _redemptionFee, _aumRate ) { // The `asset` should match the base token, which means we expect it to be USDC. if (address(baseToken) != asset) revert AssetMismatch(); ausdc = IAToken(_receiptAsset); aavePool = _aavePool; // Inputs are consistent, so we can approve the pool to spend our USDC. ERC20(asset).safeApprove(address(aavePool), type(uint256).max); } /** * @inheritdoc Portfolio */ function _getAsset(address _receiptAsset) internal view override returns (address) { return IAToken(_receiptAsset).UNDERLYING_ASSET_ADDRESS(); } /** * @inheritdoc Portfolio */ function convertReceiptAssetsToAssets(uint256 _receiptAssets) public pure override returns (uint256) { // in this case, receipt asset and USDC balance are 1:1 return _receiptAssets; } /** * @inheritdoc Portfolio * @dev `_data` should be the ABI-encoded `uint minSharesOut`. */ function _deposit(uint256 _amountBaseToken, bytes calldata /* _data */ ) internal override returns (uint256, uint256, uint256) { (uint256 _amountNet, uint256 _amountFee) = _calculateFee(_amountBaseToken, depositFee); uint256 _shares = convertToShares(_amountNet); ERC20(asset).safeTransferFrom(msg.sender, address(this), _amountBaseToken); ERC20(asset).safeTransfer(feeTreasury, _amountFee); aavePool.supply(asset, _amountNet, address(this), referralCode); return (_shares, _amountNet, _amountFee); } /** * @inheritdoc Portfolio * @dev No calldata is needed for redeem/exit. */ function _redeem(uint256 _amountShares, bytes calldata _data) internal override returns (uint256, uint256) { uint256 _assetsOut = convertToAssets(_amountShares); (, uint256 _baseTokenOut) = _exit(_assetsOut, _data); return (_assetsOut, _baseTokenOut); } /** * @inheritdoc Portfolio * @dev No calldata is needed for redeem/exit. */ function _exit(uint256 _amountAssets, bytes calldata /* _data */ ) internal override returns (uint256, uint256) { if (_amountAssets == 0) revert RoundsToZero(); aavePool.withdraw(asset, _amountAssets, address(this)); return (_amountAssets, _amountAssets); } /** * @notice Deposits stray USDC for the benefit of everyone else */ function sync() external requiresAuth { if (didShutdown) revert SyncAfterShutdown(); aavePool.supply(asset, ERC20(asset).balanceOf(address(this)), address(this), referralCode); } /** * @notice Sets the Aave referral code. * @param _referralCode Aave referral code. */ function setReferralCode(uint16 _referralCode) external requiresAuth { referralCode = _referralCode; emit ReferralCodeSet(_referralCode); } }
//SPDX-License-Identifier: BSD 3-Clause pragma solidity 0.8.13; import {Math} from "./lib/Math.sol"; import {ERC20} from "solmate/tokens/ERC20.sol"; import {Auth, Authority} from "./lib/auth/Auth.sol"; import {SafeTransferLib} from "solmate/utils/SafeTransferLib.sol"; import {RegistryAuth} from "./RegistryAuth.sol"; import {Entity} from "./Entity.sol"; import {ISwapWrapper} from "./interfaces/ISwapWrapper.sol"; import {Portfolio} from "./Portfolio.sol"; // --- Errors --- error Unauthorized(); error UnsupportedSwapper(); /** * @notice Registry entity - manages Factory and Entity state info. */ contract Registry is RegistryAuth { // --- Storage --- /// @notice Treasury address can receives fees. address public treasury; /// @notice Base Token address is the stable coin contract used throughout the system. ERC20 public immutable baseToken; /// @notice Mapping of approved factory contracts that are allowed to register new Entities. mapping(address => bool) public isApprovedFactory; /// @notice Mapping of active status of entities. mapping(Entity => bool) public isActiveEntity; /// @notice Maps entity type to donation fee percentage stored as a zoc, where type(uint32).max represents 0. mapping(uint8 => uint32) defaultDonationFee; /// @notice Maps specific entity receiver to donation fee percentage stored as a zoc. mapping(Entity => uint32) donationFeeReceiverOverride; /// @notice Maps entity type to payout fee percentage stored as a zoc, where type(uint32).max represents 0. mapping(uint8 => uint32) defaultPayoutFee; /// @notice Maps specific entity sender to payout fee percentage stored as a zoc. mapping(Entity => uint32) payoutFeeOverride; /// @notice Maps sender entity type to receiver entity type to fee percentage as a zoc. mapping(uint8 => mapping(uint8 => uint32)) defaultTransferFee; /// @notice Maps specific entity sender to receiver entity type to fee percentage as a zoc. mapping(Entity => mapping(uint8 => uint32)) transferFeeSenderOverride; /// @notice Maps sender entity type to specific entity receiver to fee percentage as a zoc. mapping(uint8 => mapping(Entity => uint32)) transferFeeReceiverOverride; /// @notice Maps swap wrappers to their enabled/disabled status. mapping(ISwapWrapper => bool) public isSwapperSupported; /// @notice Maps portfolios to their enabled/disabled status. mapping(Portfolio => bool) public isActivePortfolio; // --- Events --- /// @notice The event emitted when a factory is approved (whitelisted) or has it's approval removed. event FactoryApprovalSet(address indexed factory, bool isApproved); /// @notice The event emitted when an entity is set active or inactive. event EntityStatusSet(address indexed entity, bool isActive); /// @notice The event emitted when a swap wrapper is set active or inactive. event SwapWrapperStatusSet(address indexed swapWrapper, bool isSupported); /// @notice The event emitted when a portfolio is set active or inactive. event PortfolioStatusSet(address indexed portfolio, bool isActive); /// @notice Emitted when a default donation fee is set for an entity type. event DefaultDonationFeeSet(uint8 indexed entityType, uint32 fee); /// @notice Emitted when a donation fee override is set for a specific receiving entity. event DonationFeeReceiverOverrideSet(address indexed entity, uint32 fee); /// @notice Emitted when a default payout fee is set for an entity type. event DefaultPayoutFeeSet(uint8 indexed entityType, uint32 fee); /// @notice Emitted when a payout fee override is set for a specific sender entity. event PayoutFeeOverrideSet(address indexed entity, uint32 fee); /// @notice Emitted when a default transfer fee is set for transfers between entity types. event DefaultTransferFeeSet(uint8 indexed fromEntityType, uint8 indexed toEntityType, uint32 fee); /// @notice Emitted when a transfer fee override is set for transfers from an entity to a specific entityType. event TransferFeeSenderOverrideSet(address indexed fromEntity, uint8 indexed toEntityType, uint32 fee); /// @notice Emitted when a transfer fee override is set for transfers from an entityType to an entity. event TransferFeeReceiverOverrideSet(uint8 indexed fromEntityType, address indexed toEntity, uint32 fee); /// @notice Emitted when the registry treasury contract is changed event TreasuryChanged(address oldTreasury, address indexed newTreasury); /** * @notice Modifier for methods that require auth and that the manager cannot access. * @dev Overridden from Auth.sol. Reason: use custom error. */ modifier requiresAuth() override { if (!isAuthorized(msg.sender, msg.sig)) revert Unauthorized(); _; } // --- Constructor --- constructor(address _admin, address _treasury, ERC20 _baseToken) RegistryAuth(_admin, Authority(address(this))) { treasury = _treasury; emit TreasuryChanged(address(0), _treasury); baseToken = _baseToken; } // --- Internal fns --- /** * @notice Fee parsing to convert the special "type(uint32).max" value to zero, and zero to the "max". * @dev After converting, "type(uint32).max" will cause overflow/revert when used as a fee percentage multiplier and zero will mean no fee. * @param _value The value to be converted. * @return The parsed fee to use. */ function _parseFeeWithFlip(uint32 _value) private pure returns (uint32) { if (_value == 0) { return type(uint32).max; } else if (_value == type(uint32).max) { return 0; } else { return _value; } } // --- External fns --- /** * @notice Sets a new Endaoment treasury address. * @param _newTreasury The new treasury. */ function setTreasury(address _newTreasury) external requiresAuth { emit TreasuryChanged(treasury, _newTreasury); treasury = _newTreasury; } /** * @notice Sets the approval state of a factory. Grants the factory permissions to set entity status. * @param _factory The factory whose approval state is to be updated. * @param _isApproved True if the factory should be approved, false otherwise. */ function setFactoryApproval(address _factory, bool _isApproved) external requiresAuth { isApprovedFactory[_factory] = _isApproved; emit FactoryApprovalSet(address(_factory), _isApproved); } /** * @notice Sets the enable/disable state of an Entity. * @param _entity The entity whose active state is to be updated. * @param _isActive True if the entity should be active, false otherwise. */ function setEntityStatus(Entity _entity, bool _isActive) external requiresAuth { isActiveEntity[_entity] = _isActive; emit EntityStatusSet(address(_entity), _isActive); } /** * @notice Sets Entity as active. This is a special method to be called only by approved factories. * Other callers should use `setEntityStatus` instead. * @param _entity The entity. */ function setEntityActive(Entity _entity) external { if (!isApprovedFactory[msg.sender]) revert Unauthorized(); isActiveEntity[_entity] = true; emit EntityStatusSet(address(_entity), true); } /** * @notice Sets the enable/disable state of a Portfolio. * @param _portfolio Portfolio. * @param _isActive True if setting portfolio to active, false otherwise. */ function setPortfolioStatus(Portfolio _portfolio, bool _isActive) external requiresAuth { isActivePortfolio[_portfolio] = _isActive; emit PortfolioStatusSet(address(_portfolio), _isActive); } /** * @notice Gets default donation fee pct (as a zoc) for an Entity. * @param _entity The receiving entity of the donation for which the fee is being fetched. * @return uint32 The default donation fee for the entity's type. * @dev Makes use of _parseFeeWithFlip, so if no default exists, "max" will be returned. */ function getDonationFee(Entity _entity) external view returns (uint32) { return _parseFeeWithFlip(defaultDonationFee[_entity.entityType()]); } /** * @notice Gets lowest possible donation fee pct (as a zoc) for an Entity, among default and override. * @param _entity The receiving entity of the donation for which the fee is being fetched. * @return uint32 The minimum of the default donation fee and the receiver's fee override. * @dev Makes use of _parseFeeWithFlip, so if no default or override exists, "max" will be returned. */ function getDonationFeeWithOverrides(Entity _entity) external view returns (uint32) { uint32 _default = _parseFeeWithFlip(defaultDonationFee[_entity.entityType()]); uint32 _receiverOverride = _parseFeeWithFlip(donationFeeReceiverOverride[_entity]); return _receiverOverride < _default ? _receiverOverride : _default; } /** * @notice Gets default payout fee pct (as a zoc) for an Entity. * @param _entity The sender entity of the payout for which the fee is being fetched. * @return uint32 The default payout fee for the entity's type. * @dev Makes use of _parseFeeWithFlip, so if no default exists, "max" will be returned. */ function getPayoutFee(Entity _entity) external view returns (uint32) { return _parseFeeWithFlip(defaultPayoutFee[_entity.entityType()]); } /** * @notice Gets lowest possible payout fee pct (as a zoc) for an Entity, among default and override. * @param _entity The sender entity of the payout for which the fee is being fetched. * @return uint32 The minimum of the default payout fee and the sender's fee override. * @dev Makes use of _parseFeeWithFlip, so if no default or override exists, "max" will be returned. */ function getPayoutFeeWithOverrides(Entity _entity) external view returns (uint32) { uint32 _default = _parseFeeWithFlip(defaultPayoutFee[_entity.entityType()]); uint32 _senderOverride = _parseFeeWithFlip(payoutFeeOverride[_entity]); return _senderOverride < _default ? _senderOverride : _default; } /** * @notice Gets default transfer fee pct (as a zoc) between sender & receiver Entities. * @param _sender The sending entity of the transfer for which the fee is being fetched. * @param _receiver The receiving entity of the transfer for which the fee is being fetched. * @return uint32 The default transfer fee. * @dev Makes use of _parseFeeWithFlip, so if no default exists, "type(uint32).max" will be returned. */ function getTransferFee(Entity _sender, Entity _receiver) external view returns (uint32) { return _parseFeeWithFlip(defaultTransferFee[_sender.entityType()][_receiver.entityType()]); } /** * @notice Gets lowest possible transfer fee pct (as a zoc) between sender & receiver Entities, among default and overrides. * @param _sender The sending entity of the transfer for which the fee is being fetched. * @param _receiver The receiving entity of the transfer for which the fee is being fetched. * @return uint32 The minimum of the default transfer fee, and sender and receiver overrides. * @dev Makes use of _parseFeeWithFlip, so if no default or overrides exist, "type(uint32).max" will be returned. */ function getTransferFeeWithOverrides(Entity _sender, Entity _receiver) external view returns (uint32) { uint32 _default = _parseFeeWithFlip(defaultTransferFee[_sender.entityType()][_receiver.entityType()]); uint32 _senderOverride = _parseFeeWithFlip(transferFeeSenderOverride[_sender][_receiver.entityType()]); uint32 _receiverOverride = _parseFeeWithFlip(transferFeeReceiverOverride[_sender.entityType()][_receiver]); uint32 _lowestFee = _default; _lowestFee = _senderOverride < _lowestFee ? _senderOverride : _lowestFee; _lowestFee = _receiverOverride < _lowestFee ? _receiverOverride : _lowestFee; return _lowestFee; } /** * @notice Sets the default donation fee for an entity type. * @param _entityType Entity type. * @param _fee The fee percentage to be set (a zoc). */ function setDefaultDonationFee(uint8 _entityType, uint32 _fee) external requiresAuth { defaultDonationFee[_entityType] = _parseFeeWithFlip(_fee); emit DefaultDonationFeeSet(_entityType, _fee); } /** * @notice Sets the donation fee receiver override for a specific entity. * @param _entity Entity. * @param _fee The overriding fee (a zoc). */ function setDonationFeeReceiverOverride(Entity _entity, uint32 _fee) external requiresAuth { donationFeeReceiverOverride[_entity] = _parseFeeWithFlip(_fee); emit DonationFeeReceiverOverrideSet(address(_entity), _fee); } /** * @notice Sets the default payout fee for an entity type. * @param _entityType Entity type. * @param _fee The fee percentage to be set (a zoc). */ function setDefaultPayoutFee(uint8 _entityType, uint32 _fee) external requiresAuth { defaultPayoutFee[_entityType] = _parseFeeWithFlip(_fee); emit DefaultPayoutFeeSet(_entityType, _fee); } /** * @notice Sets the payout fee override for a specific entity. * @param _entity Entity. * @param _fee The overriding fee (a zoc). */ function setPayoutFeeOverride(Entity _entity, uint32 _fee) external requiresAuth { payoutFeeOverride[_entity] = _parseFeeWithFlip(_fee); emit PayoutFeeOverrideSet(address(_entity), _fee); } /** * @notice Sets the default transfer fee for transfers from one specific entity type to another. * @param _fromEntityType The entityType making the transfer. * @param _toEntityType The receiving entityType. * @param _fee The transfer fee percentage (a zoc). */ function setDefaultTransferFee(uint8 _fromEntityType, uint8 _toEntityType, uint32 _fee) external requiresAuth { defaultTransferFee[_fromEntityType][_toEntityType] = _parseFeeWithFlip(_fee); emit DefaultTransferFeeSet(_fromEntityType, _toEntityType, _fee); } /** * @notice Sets the transfer fee override for transfers from one specific entity to entities of a given type. * @param _fromEntity The entity making the transfer. * @param _toEntityType The receiving entityType. * @param _fee The overriding fee percentage (a zoc). */ function setTransferFeeSenderOverride(Entity _fromEntity, uint8 _toEntityType, uint32 _fee) external requiresAuth { transferFeeSenderOverride[_fromEntity][_toEntityType] = _parseFeeWithFlip(_fee); emit TransferFeeSenderOverrideSet(address(_fromEntity), _toEntityType, _fee); } /** * @notice Sets the transfer fee override for transfers from entities of a given type to a specific entity. * @param _fromEntityType The entityType making the transfer. * @param _toEntity The receiving entity. * @param _fee The overriding fee percentage (a zoc). */ function setTransferFeeReceiverOverride(uint8 _fromEntityType, Entity _toEntity, uint32 _fee) external requiresAuth { transferFeeReceiverOverride[_fromEntityType][_toEntity] = _parseFeeWithFlip(_fee); emit TransferFeeReceiverOverrideSet(_fromEntityType, address(_toEntity), _fee); } /** * @notice Sets the enable/disable state of a SwapWrapper. System owners must ensure meticulous review of SwapWrappers before approving them. * @param _swapWrapper A contract that implements ISwapWrapper. * @param _supported `true` if supported, `false` if unsupported. */ function setSwapWrapperStatus(ISwapWrapper _swapWrapper, bool _supported) external requiresAuth { isSwapperSupported[_swapWrapper] = _supported; emit SwapWrapperStatusSet(address(_swapWrapper), _supported); } }
//SPDX-License-Identifier: BSD 3-Clause pragma solidity >=0.8.0; import {ReentrancyGuard} from "solmate/utils/ReentrancyGuard.sol"; import {ERC20} from "solmate/tokens/ERC20.sol"; import {SafeTransferLib} from "solmate/utils/SafeTransferLib.sol"; import {Registry} from "./Registry.sol"; import {Entity} from "./Entity.sol"; import {EndaomentAuth} from "./lib/auth/EndaomentAuth.sol"; import {Math} from "./lib/Math.sol"; abstract contract Portfolio is ERC20, EndaomentAuth, ReentrancyGuard { using Math for uint256; using SafeTransferLib for ERC20; Registry public immutable registry; uint256 public cap; address public feeTreasury; uint256 public depositFee; uint256 public redemptionFee; address public immutable asset; address public immutable receiptAsset; ERC20 public immutable baseToken; bool public didShutdown; uint256 public timestampAumFeesTaken; uint256 public aumRate; uint256 internal constant MAX_AUM_RATE = 3168808782; error InvalidSwapper(); error InvalidRate(); error TransferDisallowed(); error DepositAfterShutdown(); error DidShutdown(); error NotEntity(); error BadCheckCapImplementation(); error ExceedsCap(); error PercentageOver100(); error RoundsToZero(); error Slippage(); error CallFailed(bytes response); /// @notice `sender` has exchanged `assets` (after fees) for `shares`, and transferred those `shares` to `receiver`. /// The sender paid a total of `depositAmount` and was charged `fee` for the transaction. event Deposit( address indexed sender, address indexed receiver, uint256 assets, uint256 shares, uint256 depositAmount, uint256 fee ); /// @notice `sender` has exchanged `shares` for `assets`, and transferred those `assets` to `receiver`. /// The sender received a net of `redeemedAmount` after the conversion of `assets` into base tokens /// and was charged `fee` for the transaction. event Redeem( address indexed sender, address indexed receiver, uint256 assets, uint256 shares, uint256 redeemedAmount, uint256 fee ); /// @notice Event emitted when `cap` is set. event CapSet(uint256 cap); /// @notice Event emitted when `depositFee` is set. event DepositFeeSet(uint256 fee); /// @notice Event emitted when `redemptionFee` is set. event RedemptionFeeSet(uint256 fee); /// @notice Event emitted when `feeTreasury` is set. event FeeTreasurySet(address feeTreasury); /// @notice Event emitted when management takes fees. event FeesTaken(uint256 amount); /// @notice Event emitted when AUM fees are taken. event AumFeesTaken(uint256 feeAmount, uint256 timeDelta); /// @notice Event emitted when `aumRate` is set. event AumRateSet(uint256 rate); /// @notice Event emitted when admin forcefully swaps portfolio asset balance for baseToken. event Shutdown(uint256 assetAmount, uint256 baseTokenOut); /** * @param _registry Endaoment registry. * @param _receiptAsset Address of token that the portfolio receives from a deposit. * @param _name Name of the ERC20 Portfolio share tokens. * @param _symbol Symbol of the ERC20 Portfolio share tokens. * @param _cap Amount in baseToken that value of totalAssets should not exceed. * @param _depositFee Percentage fee as ZOC that will go to treasury on asset deposit. * @param _redemptionFee Percentage fee as ZOC that will go to treasury on share redemption. * @param _aumRate Percentage fee per second (as WAD) that should accrue to treasury as AUM fee. (1e16 = 1%). */ constructor( Registry _registry, address _receiptAsset, string memory _name, string memory _symbol, uint256 _cap, address _feeTreasury, uint256 _depositFee, uint256 _redemptionFee, uint256 _aumRate ) ERC20(_name, _symbol, ERC20(_getAsset(_receiptAsset)).decimals()) { __initEndaomentAuth(_registry, "portfolio"); registry = _registry; feeTreasury = _feeTreasury; emit FeeTreasurySet(_feeTreasury); if (_redemptionFee > Math.ZOC) revert PercentageOver100(); redemptionFee = _redemptionFee; emit RedemptionFeeSet(_redemptionFee); if (_depositFee > Math.ZOC) revert PercentageOver100(); depositFee = _depositFee; emit DepositFeeSet(_depositFee); cap = _cap; emit CapSet(_cap); receiptAsset = _receiptAsset; asset = _getAsset(_receiptAsset); baseToken = registry.baseToken(); if (_aumRate > MAX_AUM_RATE) revert InvalidRate(); aumRate = _aumRate; emit AumRateSet(_aumRate); timestampAumFeesTaken = block.timestamp; } /** * @notice Returns the underlying asset for the `receiptAsset`. * @param _receiptAsset Address of token that the portfolio receives from a deposit. * @return Address of the underlying asset. */ function _getAsset(address _receiptAsset) internal view virtual returns (address); /** * @notice Function used to determine whether an Entity is active on the registry. * @param _entity The Entity. */ function _isEntity(Entity _entity) internal view returns (bool) { return registry.isActiveEntity(_entity); } /** * @notice Set the Portfolio cap. * @param _amount Amount, denominated in baseToken. */ function setCap(uint256 _amount) external requiresAuth { cap = _amount; emit CapSet(_amount); } /** * @notice Set deposit fee. * @param _pct Percentage as ZOC (e.g. 1000 = 10%). */ function setDepositFee(uint256 _pct) external requiresAuth { if (_pct > Math.ZOC) revert PercentageOver100(); depositFee = _pct; emit DepositFeeSet(_pct); } /** * @notice Set redemption fee. * @param _pct Percentage as ZOC (e.g. 1000 = 10%). */ function setRedemptionFee(uint256 _pct) external requiresAuth { if (_pct > Math.ZOC) revert PercentageOver100(); redemptionFee = _pct; emit RedemptionFeeSet(_pct); } /** * @notice Set fee treasury. * @param _feeTreasury Address of the treasury that should receive fees. * */ function setFeeTreasury(address _feeTreasury) external requiresAuth { feeTreasury = _feeTreasury; emit FeeTreasurySet(_feeTreasury); } /** * @notice Set AUM rate. * @param _pct Percentage *per second* as WAD (e.g. .01e18 / 365.25 days = 1% per year). */ function setAumRate(uint256 _pct) external requiresAuth { // check to make sure _pct isn't above 10% over a year (.1e18 / 365.25 days = 3168808782 per second) if (_pct > MAX_AUM_RATE) revert InvalidRate(); takeAumFees(); aumRate = _pct; emit AumRateSet(_pct); } /** * @notice Total amount of the underlying asset that is managed by the Portfolio. * @return Total amount of the underlying asset. */ function totalAssets() public view returns (uint256) { return convertReceiptAssetsToAssets(totalReceiptAssets()); } /** * @notice Total amount of the receipt asset that is managed by the Portfolio. * @return Total amount of the receipt asset. */ function totalReceiptAssets() public view returns (uint256) { return ERC20(receiptAsset).balanceOf(address(this)); } /** * @notice Calculates the equivalent amount of assets for the given amount of receipt assets. * @param _receiptAssets Amount of receipt assets to convert. * @return Amount of assets. */ function convertReceiptAssetsToAssets(uint256 _receiptAssets) public view virtual returns (uint256); /** * @notice Takes some amount of receipt assets from this portfolio as management fee. * @param _amountReceiptAssets Amount of receipt assets to take. */ function takeFees(uint256 _amountReceiptAssets) external requiresAuth { ERC20(receiptAsset).safeTransfer(feeTreasury, _amountReceiptAssets); emit FeesTaken(_amountReceiptAssets); } /** * @notice Takes accrued percentage of assets from this portfolio as AUM fee. */ function takeAumFees() public { if (didShutdown) return _takeAumFeesShutdown(); uint256 _totalReceiptAssets = totalReceiptAssets(); uint256 _period = block.timestamp - timestampAumFeesTaken; uint256 _feeAmount = _calculateAumFee(_totalReceiptAssets, _period); if (_feeAmount > _totalReceiptAssets) _feeAmount = _totalReceiptAssets; if (_feeAmount > 0 || totalSupply == 0) { // in either case, we want to set `timestampAumFeesTaken`... timestampAumFeesTaken = block.timestamp; // but we only want to transfer/emit on non-zero amount if (_feeAmount > 0) { ERC20(receiptAsset).safeTransfer(feeTreasury, _feeAmount); emit AumFeesTaken(_feeAmount, _period); } } } /** * @notice Takes accrued percentage of post-shutdown baseToken from this portfolio as AUM fee. */ function _takeAumFeesShutdown() internal { uint256 _totalAssets = baseToken.balanceOf(address(this)); uint256 _period = block.timestamp - timestampAumFeesTaken; uint256 _feeAmount = _calculateAumFee(_totalAssets, _period); if (_feeAmount > _totalAssets) _feeAmount = _totalAssets; // in `takeAumFees`, the following conditional checks totalSupply as well, solving a first deposit corner case. // In this case, we don't need to check, because deposits aren't allowed after shutdown. if (_feeAmount > 0) { timestampAumFeesTaken = block.timestamp; baseToken.safeTransfer(feeTreasury, _feeAmount); emit AumFeesTaken(_feeAmount, _period); } } /** * @notice Exchange `_amountBaseToken` for some amount of Portfolio shares. * @param _amountBaseToken The amount of the Entity's baseToken to deposit. * @param _data Data that the portfolio needs to make the deposit. In some cases, this will be swap parameters. * The first 32 bytes of this data should be the ABI-encoded `minSharesOut`. * @return shares The amount of shares that this deposit yields to the Entity. */ function deposit(uint256 _amountBaseToken, bytes calldata _data) external nonReentrant returns (uint256) { // all portfolios should revert on deposit after shutdown if (didShutdown) revert DepositAfterShutdown(); // all portfolios should revert on a deposit from a non-entity (or inactive one) if (!_isEntity(Entity(payable(msg.sender)))) revert NotEntity(); // all portfolios should take AUM fees takeAumFees(); // all portfolios should make a deposit // all transferring of baseToken and share calculation should occur inside _deposit (uint256 _shares, uint256 _assets, uint256 _fee) = _deposit(_amountBaseToken, _data); if (_shares < abi.decode(_data, (uint256))) revert Slippage(); if (_shares == 0) revert RoundsToZero(); // mint shares _mint(msg.sender, _shares); // and check cap _checkCap(); // and emit an event emit Deposit(msg.sender, msg.sender, _assets, _shares, _amountBaseToken, _fee); return _shares; } /** * @notice Check to make sure the cap has not been exceeded. * @dev Most portfolios have the same asset and baseToken, so the _checkCap implementation here is written to accomodate * that situation. For portfolios where that is not the case, this method needs to be overwritten to ensure the cap * (denominated in baseToken) is properly compared to the number of assets. */ function _checkCap() internal virtual { if (asset != address(baseToken)) revert BadCheckCapImplementation(); if (totalAssets() > cap) revert ExceedsCap(); } /** * @notice Exchange `_amountIn` for some amount of Portfolio shares. * @dev Should include the transferring of baseToken and conversion to shares. * @param _amountIn The amount of the Entity's baseToken to deposit. * @param _data Data that the portfolio needs to make the deposit. In some cases, this will be swap parameters. * @return shares The amount of shares that this deposit yields to the Entity. * @return assets The amount of assets that this deposit yields to the portfolio. * @return fee The baseToken fee that this deposit yields to the treasury. */ function _deposit(uint256 _amountIn, bytes calldata _data) internal virtual returns (uint256 shares, uint256 assets, uint256 fee); /** * @notice Exchange `_amountShares` for some amount of baseToken. * @param _amountShares The amount of the Entity's portfolio shares to exchange. * @param _data Data that the portfolio needs to make the redemption. In some cases, this will be swap parameters. * @return baseTokenOut The amount of baseToken that this redemption yields to the Entity. */ function redeem(uint256 _amountShares, bytes calldata _data) external nonReentrant returns (uint256 baseTokenOut) { takeAumFees(); if (didShutdown) return _redeemShutdown(_amountShares); (uint256 _assetsOut, uint256 _baseTokenOut) = _redeem(_amountShares, _data); if (_assetsOut == 0) revert RoundsToZero(); _burn(msg.sender, _amountShares); (uint256 _netAmount, uint256 _fee) = _calculateFee(_baseTokenOut, redemptionFee); baseToken.safeTransfer(feeTreasury, _fee); baseToken.safeTransfer(msg.sender, _netAmount); emit Redeem(msg.sender, msg.sender, _assetsOut, _amountShares, _netAmount, _fee); return _netAmount; } /** * @notice Exchange `_amountShares` for some amount of Portfolio assets. * @param _amountShares The amount of portfolio shares to exchange. * @param _data Data that the portfolio needs to redeem the assets. In some cases, this will be swap parameters. * @return assetsOut The amount of assets that this redemption yielded (and then converted to baseToken). * @return baseTokenOut Amount in baseToken to which these assets were converted. */ function _redeem(uint256 _amountShares, bytes calldata _data) internal virtual returns (uint256 assetsOut, uint256 baseTokenOut); /** * @notice Handles redemption after shutdown, exchanging shares for baseToken. * @param _amountShares Shares being redeemed. * @return Amount of baseToken received. */ function _redeemShutdown(uint256 _amountShares) internal returns (uint256) { uint256 _baseTokenOut = convertToAssetsShutdown(_amountShares); _burn(msg.sender, _amountShares); (uint256 _netAmount, uint256 _fee) = _calculateFee(_baseTokenOut, redemptionFee); baseToken.safeTransfer(feeTreasury, _fee); baseToken.safeTransfer(msg.sender, _netAmount); emit Redeem(msg.sender, msg.sender, _baseTokenOut, _amountShares, _netAmount, _fee); return _netAmount; } /** * @notice Calculates the amount of shares that the Portfolio should exchange for the amount of assets provided. * @param _assets Amount of assets. * @return Amount of shares. */ function convertToShares(uint256 _assets) public view returns (uint256) { uint256 _supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero. return _supply == 0 ? _assets : _assets.mulDivDown(_supply, totalAssets()); } /** * @notice Calculates the amount of assets that the Portfolio should exchange for the amount of shares provided. * @param _shares Amount of shares. * @return Amount of assets. */ function convertToAssets(uint256 _shares) public view returns (uint256) { uint256 _supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero. return _supply == 0 ? _shares : _shares.mulDivDown(totalAssets(), _supply); } /** * @notice Calculates the amount of baseToken that the Portfolio should exchange for the amount of shares provided. * Used only if the Portfolio has shut down. * @dev Rounding down here favors the portfolio, so the user gets slightly less and the portfolio gets slightly more, * that way it prevents a situation where the user is owed x but the vault only has x - epsilon, where epsilon is * some tiny number due to rounding error. * @param _shares Amount of shares. * @return Amount of baseToken. */ function convertToAssetsShutdown(uint256 _shares) public view returns (uint256) { uint256 _supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero. return _supply == 0 ? _shares : _shares.mulDivDown(baseToken.balanceOf(address(this)), _supply); } /** * @notice Exit out all assets of portfolio for baseToken. Must persist a mechanism for entities to redeem their shares for baseToken. * @param _data Data that the portfolio needs to exit from asset. Consult the portfolio's `_exit` method to determine * the correct format for this data. * @return baseTokenOut The amount of baseToken that this exit yielded. */ function shutdown(bytes calldata _data) external requiresAuth returns (uint256 baseTokenOut) { if (didShutdown) revert DidShutdown(); didShutdown = true; uint256 _assetsOut = totalAssets(); // In most cases, _actualAssetsOut will equal _assetsOut, but in SingleTokenPortfolio, it may be less. (uint256 _actualAssetsOut, uint256 _baseTokenOut) = _exit(_assetsOut, _data); emit Shutdown(_actualAssetsOut, _baseTokenOut); return _baseTokenOut; } /** * @notice Convert some amount of asset into baseToken, either partially or fully exiting the portfolio asset. * @dev This method is used in `redeem` and `shutdown` calls. * @param _amount The amount of the Entity's portfolio asset to exchange. * @param _data Data that the portfolio needs to exit from asset. In some cases, this will be swap parameters. Consult the portfolio's * `_exit` method to determine the correct format for this data. * @return actualAssetsOut The amount of assets that were exited. In most cases, this will be equal to `_amount`, but may differ * by some errorMarginPct in SingleTokenPortfolio. * @return baseTokenOut The amount of baseToken that this exit yielded. */ function _exit(uint256 _amount, bytes calldata _data) internal virtual returns (uint256 actualAssetsOut, uint256 baseTokenOut); /// @notice `transfer` disabled on Portfolio tokens. function transfer( address, // to uint256 // amount ) public pure override returns (bool) { revert TransferDisallowed(); } /// @notice `transferFrom` disabled on Portfolio tokens. function transferFrom(address, /* from */ address, /* to */ uint256 /* amount */ ) public pure override returns (bool) { revert TransferDisallowed(); } /// @notice `approve` disabled on Portfolio tokens. function approve(address, /* to */ uint256 /* amount */ ) public pure override returns (bool) { revert TransferDisallowed(); } /// @notice `permit` disabled on Portfolio tokens. function permit( address, /* owner */ address, /* spender */ uint256, /* value */ uint256, /* deadline */ uint8, /* v */ bytes32, /* r */ bytes32 /* s */ ) public pure override { revert TransferDisallowed(); } /** * @notice Permissioned method that allows Endaoment admin to make arbitrary calls acting as this Portfolio. * @param _target The address to which the call will be made. * @param _value The ETH value that should be forwarded with the call. * @param _data The calldata that will be sent with the call. * @return _return The data returned by the call. */ function callAsPortfolio(address _target, uint256 _value, bytes memory _data) external payable requiresAuth returns (bytes memory) { (bool _success, bytes memory _response) = payable(_target).call{value: _value}(_data); if (!_success) revert CallFailed(_response); return _response; } /** * @notice Internal helper method to calculate the fee on a base token amount for a given fee multiplier. * @param _amount Amount of baseToken. * @param _feeMultiplier Multiplier (as zoc) to apply to the amount. * @return _netAmount The amount of baseToken after the fee is applied. * @return _fee The amount of baseToken to be taken as a fee. */ function _calculateFee(uint256 _amount, uint256 _feeMultiplier) internal pure returns (uint256 _netAmount, uint256 _fee) { if (_feeMultiplier > Math.ZOC) revert PercentageOver100(); unchecked { // unchecked as no possibility of overflow with baseToken precision _fee = _amount.zocmul(_feeMultiplier); // unchecked as the _feeMultiplier check with revert above protects against overflow _netAmount = _amount - _fee; } } /** * @notice Helper method to calculate AUM fee based on assets and time elapsed. * @param _totalAssets Assets over which to calculate AUM fee. * @param _period Seconds elapsed since AUM fee was last taken. * @dev We chose to calculate using simple interest rather than compound interest because the error was small and * simple interest is easier to calculate, reason about, and test. * @return _aumFee The amount of baseToken to be taken as AUM fee. */ function _calculateAumFee(uint256 _totalAssets, uint256 _period) internal view returns (uint256) { if (_totalAssets == 0 || aumRate == 0 || _period == 0) return 0; // _period * aumRate is safe; max expected aum rate * 10 years of seconds is just over 1 WAD return _totalAssets.mulWadDown(_period * aumRate); } }
pragma solidity 0.8.13; // Aave V2 interfaces. interface IAToken { function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 amount) external returns (bool success); function UNDERLYING_ASSET_ADDRESS() external view returns (address); } interface ILendingPool { // The referral program is currently inactive. so pass 0 as the referralCode. function deposit(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external; function withdraw(address asset, uint256 amount, address to) external; } // Aave V3 interfaces. We can use the same IAToken interface, but need a new pool interface since // the `deposit` method is deprecated (it still exists and is an alias for `supply`). interface IV3Pool { // The referral program is currently inactive. so pass 0 as the referralCode. function supply(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external; function withdraw(address asset, uint256 amount, address to) external; }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; // This contract is modified from Solmate only to make requiresAuth virtual on line 26 /// @notice Provides a flexible and updatable auth pattern which is completely separate from application logic. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/auth/Auth.sol) /// @author Modified from Dappsys (https://github.com/dapphub/ds-auth/blob/master/src/auth.sol) abstract contract Auth { event OwnerUpdated(address indexed user, address indexed newOwner); event AuthorityUpdated(address indexed user, Authority indexed newAuthority); address public owner; Authority public authority; constructor(address _owner, Authority _authority) { owner = _owner; authority = _authority; emit OwnerUpdated(msg.sender, _owner); emit AuthorityUpdated(msg.sender, _authority); } modifier requiresAuth() virtual { require(isAuthorized(msg.sender, msg.sig), "UNAUTHORIZED"); _; } function isAuthorized(address user, bytes4 functionSig) internal view virtual returns (bool) { Authority auth = authority; // Memoizing authority saves us a warm SLOAD, around 100 gas. // Checking if the caller is the owner only after calling the authority saves gas in most cases, but be // aware that this makes protected functions uncallable even to the owner if the authority is out of order. return (address(auth) != address(0) && auth.canCall(user, address(this), functionSig)) || user == owner; } function setAuthority(Authority newAuthority) public virtual { // We check if the caller is the owner first because we want to ensure they can // always swap out the authority even if it's reverting or using up a lot of gas. require(msg.sender == owner || authority.canCall(msg.sender, address(this), msg.sig)); authority = newAuthority; emit AuthorityUpdated(msg.sender, newAuthority); } function setOwner(address newOwner) public virtual requiresAuth { owner = newOwner; emit OwnerUpdated(msg.sender, newOwner); } } /// @notice A generic interface for a contract which provides authorization data to an Auth instance. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/auth/Auth.sol) /// @author Modified from Dappsys (https://github.com/dapphub/ds-auth/blob/master/src/auth.sol) interface Authority { function canCall(address user, address target, bytes4 functionSig) external view returns (bool); }
// SPDX-License-Identifier: BSD 3-Clause pragma solidity 0.8.13; library Math { uint256 internal constant ZOC = 1e4; /** * @dev Multiply 2 numbers where at least one is a zoc, return product in original units of the other number. */ function zocmul(uint256 x, uint256 y) internal pure returns (uint256 z) { z = x * y; unchecked { z /= ZOC; } } // Below is WAD math from solmate's FixedPointMathLib. // https://github.com/Rari-Capital/solmate/blob/c8278b3cb948cffda3f1de5a401858035f262060/src/utils/FixedPointMathLib.sol uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s. function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, y, WAD); // Equivalent to (x * y) / WAD rounded down. } function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down. } // For tokens with 6 decimals like USDC, these scale by 1e6 (one million). function mulMilDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, y, 1e6); // Equivalent to (x * y) / 1e6 rounded down. } function divMilDown(uint256 x, uint256 y) internal pure returns (uint256) { return mulDivDown(x, 1e6, y); // Equivalent to (x * 1e6) / y rounded down. } /*////////////////////////////////////////////////////////////// LOW LEVEL FIXED POINT OPERATIONS //////////////////////////////////////////////////////////////*/ function mulDivDown(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 z) { assembly { // Store x * y in z for now. z := mul(x, y) // Equivalent to require(denominator != 0 && (x == 0 || (x * y) / x == y)) if iszero(and(iszero(iszero(denominator)), or(iszero(x), eq(div(z, x), y)))) { revert(0, 0) } // Divide z by the denominator. z := div(z, denominator) } } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Modern and gas efficient ERC20 + EIP-2612 implementation. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/tokens/ERC20.sol) /// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol) /// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it. abstract contract ERC20 { /*/////////////////////////////////////////////////////////////// EVENTS //////////////////////////////////////////////////////////////*/ event Transfer(address indexed from, address indexed to, uint256 amount); event Approval(address indexed owner, address indexed spender, uint256 amount); /*/////////////////////////////////////////////////////////////// METADATA STORAGE //////////////////////////////////////////////////////////////*/ string public name; string public symbol; uint8 public immutable decimals; /*/////////////////////////////////////////////////////////////// ERC20 STORAGE //////////////////////////////////////////////////////////////*/ uint256 public totalSupply; mapping(address => uint256) public balanceOf; mapping(address => mapping(address => uint256)) public allowance; /*/////////////////////////////////////////////////////////////// EIP-2612 STORAGE //////////////////////////////////////////////////////////////*/ bytes32 public constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); uint256 internal immutable INITIAL_CHAIN_ID; bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR; mapping(address => uint256) public nonces; /*/////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor( string memory _name, string memory _symbol, uint8 _decimals ) { name = _name; symbol = _symbol; decimals = _decimals; INITIAL_CHAIN_ID = block.chainid; INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator(); } /*/////////////////////////////////////////////////////////////// ERC20 LOGIC //////////////////////////////////////////////////////////////*/ function approve(address spender, uint256 amount) public virtual returns (bool) { allowance[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } function transfer(address to, uint256 amount) public virtual returns (bool) { balanceOf[msg.sender] -= amount; // Cannot overflow because the sum of all user // balances can't exceed the max uint256 value. unchecked { balanceOf[to] += amount; } emit Transfer(msg.sender, to, amount); return true; } function transferFrom( address from, address to, uint256 amount ) public virtual returns (bool) { uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals. if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount; balanceOf[from] -= amount; // Cannot overflow because the sum of all user // balances can't exceed the max uint256 value. unchecked { balanceOf[to] += amount; } emit Transfer(from, to, amount); return true; } /*/////////////////////////////////////////////////////////////// EIP-2612 LOGIC //////////////////////////////////////////////////////////////*/ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) public virtual { require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED"); // Unchecked because the only math done is incrementing // the owner's nonce which cannot realistically overflow. unchecked { bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", DOMAIN_SEPARATOR(), keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline)) ) ); address recoveredAddress = ecrecover(digest, v, r, s); require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER"); allowance[recoveredAddress][spender] = value; } emit Approval(owner, spender, value); } function DOMAIN_SEPARATOR() public view virtual returns (bytes32) { return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator(); } function computeDomainSeparator() internal view virtual returns (bytes32) { return keccak256( abi.encode( keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"), keccak256(bytes(name)), keccak256("1"), block.chainid, address(this) ) ); } /*/////////////////////////////////////////////////////////////// INTERNAL MINT/BURN LOGIC //////////////////////////////////////////////////////////////*/ function _mint(address to, uint256 amount) internal virtual { totalSupply += amount; // Cannot overflow because the sum of all user // balances can't exceed the max uint256 value. unchecked { balanceOf[to] += amount; } emit Transfer(address(0), to, amount); } function _burn(address from, uint256 amount) internal virtual { balanceOf[from] -= amount; // Cannot underflow because a user's balance // will never be larger than the total supply. unchecked { totalSupply -= amount; } emit Transfer(from, address(0), amount); } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; import {ERC20} from "../tokens/ERC20.sol"; /// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/SafeTransferLib.sol) /// @author Modified from Gnosis (https://github.com/gnosis/gp-v2-contracts/blob/main/src/contracts/libraries/GPv2SafeERC20.sol) /// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer. library SafeTransferLib { /*/////////////////////////////////////////////////////////////// ETH OPERATIONS //////////////////////////////////////////////////////////////*/ function safeTransferETH(address to, uint256 amount) internal { bool callStatus; assembly { // Transfer the ETH and store if it succeeded or not. callStatus := call(gas(), to, amount, 0, 0, 0, 0) } require(callStatus, "ETH_TRANSFER_FAILED"); } /*/////////////////////////////////////////////////////////////// ERC20 OPERATIONS //////////////////////////////////////////////////////////////*/ function safeTransferFrom( ERC20 token, address from, address to, uint256 amount ) internal { bool callStatus; assembly { // Get a pointer to some free memory. let freeMemoryPointer := mload(0x40) // Write the abi-encoded calldata to memory piece by piece: mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000) // Begin with the function selector. mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "from" argument. mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "to" argument. mstore(add(freeMemoryPointer, 68), amount) // Finally append the "amount" argument. No mask as it's a full 32 byte value. // Call the token and store if it succeeded or not. // We use 100 because the calldata length is 4 + 32 * 3. callStatus := call(gas(), token, 0, freeMemoryPointer, 100, 0, 0) } require(didLastOptionalReturnCallSucceed(callStatus), "TRANSFER_FROM_FAILED"); } function safeTransfer( ERC20 token, address to, uint256 amount ) internal { bool callStatus; assembly { // Get a pointer to some free memory. let freeMemoryPointer := mload(0x40) // Write the abi-encoded calldata to memory piece by piece: mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000) // Begin with the function selector. mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "to" argument. mstore(add(freeMemoryPointer, 36), amount) // Finally append the "amount" argument. No mask as it's a full 32 byte value. // Call the token and store if it succeeded or not. // We use 68 because the calldata length is 4 + 32 * 2. callStatus := call(gas(), token, 0, freeMemoryPointer, 68, 0, 0) } require(didLastOptionalReturnCallSucceed(callStatus), "TRANSFER_FAILED"); } function safeApprove( ERC20 token, address to, uint256 amount ) internal { bool callStatus; assembly { // Get a pointer to some free memory. let freeMemoryPointer := mload(0x40) // Write the abi-encoded calldata to memory piece by piece: mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000) // Begin with the function selector. mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "to" argument. mstore(add(freeMemoryPointer, 36), amount) // Finally append the "amount" argument. No mask as it's a full 32 byte value. // Call the token and store if it succeeded or not. // We use 68 because the calldata length is 4 + 32 * 2. callStatus := call(gas(), token, 0, freeMemoryPointer, 68, 0, 0) } require(didLastOptionalReturnCallSucceed(callStatus), "APPROVE_FAILED"); } /*/////////////////////////////////////////////////////////////// INTERNAL HELPER LOGIC //////////////////////////////////////////////////////////////*/ function didLastOptionalReturnCallSucceed(bool callStatus) private pure returns (bool success) { assembly { // Get how many bytes the call returned. let returnDataSize := returndatasize() // If the call reverted: if iszero(callStatus) { // Copy the revert message into memory. returndatacopy(0, 0, returnDataSize) // Revert with the same message. revert(0, returnDataSize) } switch returnDataSize case 32 { // Copy the return data into memory. returndatacopy(0, 0, returnDataSize) // Set success to whether it returned true. success := iszero(iszero(mload(0))) } case 0 { // There was no return data. success := 1 } default { // It returned some malformed input. success := 0 } } } }
//SPDX-License-Identifier: BSD 3-Clause pragma solidity 0.8.13; import {Auth, Authority} from "./lib/auth/Auth.sol"; import {RolesAuthority} from "./lib/auth/authorities/RolesAuthority.sol"; // --- Errors --- error OwnershipInvalid(); /** * @notice RegistryAuth - contract to control ownership of the Registry. */ contract RegistryAuth is RolesAuthority { /// @notice Emitted when the first step of an ownership transfer (proposal) is done. event OwnershipTransferProposed(address indexed user, address indexed newOwner); /// @notice Emitted when the second step of an ownership transfer (claim) is done. event OwnershipChanged(address indexed owner, address indexed newOwner); // --- Storage --- /// @notice Pending owner for 2 step ownership transfer address public pendingOwner; // --- Constructor --- constructor(address _owner, Authority _authority) RolesAuthority(_owner, _authority) {} /** * @notice Starts the 2 step process of transferring registry authorization to a new owner. * @param _newOwner Proposed new owner of registry authorization. */ function transferOwnership(address _newOwner) external requiresAuth { pendingOwner = _newOwner; emit OwnershipTransferProposed(msg.sender, _newOwner); } /** * @notice Completes the 2 step process of transferring registry authorization to a new owner. * This function must be called by the proposed new owner. */ function claimOwnership() external { if (msg.sender != pendingOwner) revert OwnershipInvalid(); emit OwnershipChanged(owner, pendingOwner); owner = pendingOwner; pendingOwner = address(0); } /** * @notice Old approach of setting a new owner in a single step. * @dev This function throws an error to force use of the new 2-step approach. */ function setOwner(address /*newOwner*/ ) public view override requiresAuth { revert OwnershipInvalid(); } }
//SPDX-License-Identifier: BSD 3-Clause pragma solidity >=0.8.0; import "solmate/tokens/ERC20.sol"; import "solmate/utils/SafeTransferLib.sol"; import "./lib/ReentrancyGuard.sol"; import {Registry} from "./Registry.sol"; import {ISwapWrapper} from "./interfaces/ISwapWrapper.sol"; import {EndaomentAuth} from "./lib/auth/EndaomentAuth.sol"; import {Portfolio} from "./Portfolio.sol"; import {Math} from "./lib/Math.sol"; error EntityInactive(); error PortfolioInactive(); error InsufficientFunds(); error InvalidAction(); error BalanceMismatch(); error CallFailed(bytes response); /** * @notice Entity contract inherited by Org and Fund contracts (and all future kinds of Entities). */ abstract contract Entity is EndaomentAuth, ReentrancyGuard { using Math for uint256; using SafeTransferLib for ERC20; /// @notice The base registry to which the entity is connected. Registry public registry; /// @notice The entity's manager. address public manager; // @notice The base token used for tracking the entity's fund balance. ERC20 public baseToken; /// @notice The current balance for the entity, denominated in the base token's units. uint256 public balance; /// @notice Placeholder address used in swapping method to denote usage of ETH instead of a token. address public constant ETH_PLACEHOLDER = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; /// @notice Emitted when manager is set. event EntityManagerSet(address indexed oldManager, address indexed newManager); /// @notice Emitted when a donation is made. event EntityDonationReceived( address indexed from, address indexed to, address indexed tokenIn, uint256 amountIn, uint256 amountReceived, uint256 amountFee ); /// @notice Emitted when a payout is made from an entity. event EntityValuePaidOut(address indexed from, address indexed to, uint256 amountSent, uint256 amountFee); /// @notice Emitted when a transfer is made between entities. event EntityValueTransferred(address indexed from, address indexed to, uint256 amountReceived, uint256 amountFee); /// @notice Emitted when a base token reconciliation completes event EntityBalanceReconciled(address indexed entity, uint256 amountReceived, uint256 amountFee); /// @notice Emitted when a base token balance is used to correct the internal contract balance. event EntityBalanceCorrected(address indexed entity, uint256 newBalance); /// @notice Emitted when a portfolio deposit is made. event EntityDeposit(address indexed portfolio, uint256 baseTokenDeposited, uint256 sharesReceived); /// @notice Emitted when a portfolio share redemption is made. event EntityRedeem(address indexed portfolio, uint256 sharesRedeemed, uint256 baseTokenReceived); /// @notice Emitted when ether is received. event EntityEthReceived(address indexed sender, uint256 amount); /** * @notice Modifier for methods that require auth and that the manager can access. * @dev Uses the same condition as `requiresAuth` but with added manager access. */ modifier requiresManager() { if (msg.sender != manager && !isAuthorized(msg.sender, msg.sig)) revert Unauthorized(); _; } /// @notice Each entity will implement this function to allow a caller to interrogate what kind of entity it is. function entityType() public pure virtual returns (uint8); /** * @notice One time method to be called at deployment to configure the contract. Required so Entity * contracts can be deployed as minimal proxies (clones). * @param _registry The registry to host the Entity. * @param _manager The address of the Entity's manager. */ function __initEntity(Registry _registry, address _manager) internal { // Call to EndaomentAuth's initialize function ensures that this can't be called again __initEndaomentAuth(_registry, bytes20(bytes.concat("entity", bytes1(entityType())))); __initReentrancyGuard(); registry = _registry; manager = _manager; baseToken = _registry.baseToken(); } /** * @notice Set a new manager for this entity. * @param _manager Address of new manager. * @dev Callable by current manager or permissioned role. */ function setManager(address _manager) external virtual requiresManager { emit EntityManagerSet(manager, _manager); manager = _manager; } /** * @notice Receives a donated amount of base tokens to be added to the entity's balance. Transfers default fee to treasury. * @param _amount Amount donated in base token. * @dev Reverts if the donation fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. */ function donate(uint256 _amount) external virtual { uint32 _feeMultiplier = registry.getDonationFee(this); _donateWithFeeMultiplier(_amount, _feeMultiplier); } /** * @notice Receives a donated amount of base tokens to be added to the entity's balance. Transfers default or overridden fee to treasury. * @param _amount Amount donated in base token. * @dev Reverts if the donation fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. */ function donateWithOverrides(uint256 _amount) external virtual { uint32 _feeMultiplier = registry.getDonationFeeWithOverrides(this); _donateWithFeeMultiplier(_amount, _feeMultiplier); } /** * @notice Receives a donated amount of base tokens to be added to the entity's balance. * This method can be called by permissioned actors to make a donation with a manually specified fee. * @param _amount Amount donated in base token. * @param _feeOverride Fee percentage as zoc. * @dev Reverts if the transfer fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. * @dev Reverts with `Unauthorized` if the `msg.sender` is not a privileged role. */ function donateWithAdminOverrides(uint256 _amount, uint32 _feeOverride) external virtual requiresAuth { _donateWithFeeMultiplier(_amount, _feeOverride); } /** * @notice Receives a donated amount of base tokens to be added to the entity's balance. Transfers fee calculated by fee multiplier to treasury. * @param _amount Amount donated in base token. * @param _feeMultiplier Value indicating the percentage of the Endaoment donation fee to go to the Endaoment treasury. * @dev Reverts if the donation fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. */ function _donateWithFeeMultiplier(uint256 _amount, uint32 _feeMultiplier) internal virtual { (uint256 _netAmount, uint256 _fee) = _calculateFee(_amount, _feeMultiplier); baseToken.safeTransferFrom(msg.sender, registry.treasury(), _fee); baseToken.safeTransferFrom(msg.sender, address(this), _netAmount); unchecked { // unchecked as no possibility of overflow with baseToken precision balance += _netAmount; } emit EntityDonationReceived(msg.sender, address(this), address(baseToken), _amount, _amount, _fee); } /** * @notice Receive a donated amount of ETH or ERC20 tokens, swaps them to base tokens, and adds the output to the * entity's balance. Fee calculated using default rate and sent to treasury. * @param _swapWrapper The swap wrapper to use for the donation. Must be whitelisted on the Registry. * @param _tokenIn The address of the ERC20 token to swap and donate, or ETH_PLACEHOLDER if donating ETH. * @param _amountIn The amount of tokens or ETH being swapped and donated. * @param _data Additional call data required by the ISwapWrapper being used. */ function swapAndDonate(ISwapWrapper _swapWrapper, address _tokenIn, uint256 _amountIn, bytes calldata _data) external payable virtual { uint32 _feeMultiplier = registry.getDonationFee(this); _swapAndDonateWithFeeMultiplier(_swapWrapper, _tokenIn, _amountIn, _data, _feeMultiplier); } /** * @notice Receive a donated amount of ETH or ERC20 tokens, swaps them to base tokens, and adds the output to the * entity's balance. Fee calculated using override rate and sent to treasury. * @param _swapWrapper The swap wrapper to use for the donation. Must be whitelisted on the Registry. * @param _tokenIn The address of the ERC20 token to swap and donate, or ETH_PLACEHOLDER if donating ETH. * @param _amountIn The amount of tokens or ETH being swapped and donated. * @param _data Additional call data required by the ISwapWrapper being used. */ function swapAndDonateWithOverrides( ISwapWrapper _swapWrapper, address _tokenIn, uint256 _amountIn, bytes calldata _data ) external payable virtual { uint32 _feeMultiplier = registry.getDonationFeeWithOverrides(this); _swapAndDonateWithFeeMultiplier(_swapWrapper, _tokenIn, _amountIn, _data, _feeMultiplier); } /// @dev Internal helper implementing swap and donate functionality for any fee multiplier provided. function _swapAndDonateWithFeeMultiplier( ISwapWrapper _swapWrapper, address _tokenIn, uint256 _amountIn, bytes calldata _data, uint32 _feeMultiplier ) internal virtual nonReentrant { if (!registry.isSwapperSupported(_swapWrapper)) revert InvalidAction(); // THINK: do we need a re-entrancy guard on this method? if (_tokenIn != ETH_PLACEHOLDER) { ERC20(_tokenIn).safeTransferFrom(msg.sender, address(this), _amountIn); ERC20(_tokenIn).safeApprove(address(_swapWrapper), 0); ERC20(_tokenIn).safeApprove(address(_swapWrapper), _amountIn); } uint256 _amountOut = _swapWrapper.swap{value: msg.value}(_tokenIn, address(baseToken), address(this), _amountIn, _data); (uint256 _netAmount, uint256 _fee) = _calculateFee(_amountOut, _feeMultiplier); baseToken.safeTransfer(registry.treasury(), _fee); unchecked { // unchecked as no possibility of overflow with baseToken precision balance += _netAmount; } if (balance > baseToken.balanceOf(address(this))) revert BalanceMismatch(); emit EntityDonationReceived(msg.sender, address(this), _tokenIn, _amountIn, _amountOut, _fee); } /** * @notice Transfers an amount of base tokens from one entity to another. Transfers default fee to treasury. * @param _to The entity to receive the tokens. * @param _amount Contains the amount being donated (denominated in the base token's units). * @dev Reverts if the entity is inactive or if the token transfer fails. * @dev Reverts if the transfer fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts with `Unauthorized` if the `msg.sender` is not the entity manager or a privileged role. * @dev Renamed from `transfer` to distinguish from ERC20 transfer in 3rd party tools. */ function transferToEntity(Entity _to, uint256 _amount) external virtual requiresManager { uint32 _feeMultiplier = registry.getTransferFee(this, _to); _transferWithFeeMultiplier(_to, _amount, _feeMultiplier); } /** * @notice Transfers an amount of base tokens from one entity to another. Transfers default or overridden fee to treasury. * @param _to The entity to receive the tokens. * @param _amount Contains the amount being donated (denominated in the base token's units). * @dev Reverts if the entity is inactive or if the token transfer fails. * @dev Reverts if the transfer fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts with `Unauthorized` if the `msg.sender` is not the entity manager or a privileged role. */ function transferToEntityWithOverrides(Entity _to, uint256 _amount) external virtual requiresManager { uint32 _feeMultiplier = registry.getTransferFeeWithOverrides(this, _to); _transferWithFeeMultiplier(_to, _amount, _feeMultiplier); } /** * @notice Transfers an amount of base tokens from one entity to another. Transfers fee specified by a privileged role. * @param _to The entity to receive the tokens. * @param _amount Contains the amount being donated (denominated in the base token's units). * @param _feeOverride Admin override configured by an Admin * @dev Reverts if the entity is inactive or if the token transfer fails. * @dev Reverts if the transfer fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts with `Unauthorized` if the `msg.sender` is not a privileged role. */ function transferToEntityWithAdminOverrides(Entity _to, uint256 _amount, uint32 _feeOverride) external virtual requiresAuth { _transferWithFeeMultiplier(_to, _amount, _feeOverride); } /** * @notice Transfers an amount of base tokens from one entity to another. Transfers fee calculated by fee multiplier to treasury. * @param _to The entity to receive the tokens. * @param _amount Contains the amount being donated (denominated in the base token's units). * @param _feeMultiplier Value indicating the percentage of the Endaoment donation fee to go to the Endaoment treasury. * @dev Reverts with 'Inactive' if the entity sending the transfer or the entity receiving the transfer is inactive. * @dev Reverts if the transfer fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts with `Unauthorized` if the `msg.sender` is not the entity manager or a privileged role. * @dev Reverts if the token transfer fails. */ function _transferWithFeeMultiplier(Entity _to, uint256 _amount, uint32 _feeMultiplier) internal virtual { if (!registry.isActiveEntity(this) || !registry.isActiveEntity(_to)) revert EntityInactive(); if (balance < _amount) revert InsufficientFunds(); (uint256 _netAmount, uint256 _fee) = _calculateFee(_amount, _feeMultiplier); baseToken.safeTransfer(registry.treasury(), _fee); baseToken.safeTransfer(address(_to), _netAmount); unchecked { // unchecked as no possibility of overflow with baseToken precision balance -= _amount; _to.receiveTransfer(_netAmount); } emit EntityValueTransferred(address(this), address(_to), _amount, _fee); } /** * @notice Updates the receiving entity balance on a transfer. * @param _transferAmount The amount being received on the transfer. * @dev This function is external, but is restricted such that it can only be called by other entities. */ function receiveTransfer(uint256 _transferAmount) external virtual { if (!registry.isActiveEntity(Entity(payable(msg.sender)))) revert EntityInactive(); unchecked { // Cannot overflow with realistic balances. balance += _transferAmount; } } /** * @notice Deposits an amount of Entity's `baseToken` into an Endaoment-approved Portfolio. * @param _portfolio An Endaoment-approved portfolio. * @param _amount Amount of `baseToken` to deposit into the portfolio. * @param _data Data required by a portfolio to deposit. * @return _shares Amount of portfolio share tokens Entity received as a result of this deposit. */ function portfolioDeposit(Portfolio _portfolio, uint256 _amount, bytes calldata _data) external virtual requiresManager returns (uint256) { if (!registry.isActivePortfolio(_portfolio)) revert PortfolioInactive(); balance -= _amount; baseToken.safeApprove(address(_portfolio), _amount); uint256 _shares = _portfolio.deposit(_amount, _data); emit EntityDeposit(address(_portfolio), _amount, _shares); return _shares; } /** * @notice Redeems an amount of Entity's portfolio shares for an amount of `baseToken`. * @param _portfolio An Endaoment-approved portfolio. * @param _shares Amount of share tokens to redeem. * @param _data Data required by a portfolio to redeem. * @return _received Amount of `baseToken` Entity received as a result of this redemption. */ function portfolioRedeem(Portfolio _portfolio, uint256 _shares, bytes calldata _data) external virtual requiresManager returns (uint256) { if (!registry.isActivePortfolio(_portfolio)) revert PortfolioInactive(); uint256 _received = _portfolio.redeem(_shares, _data); // unchecked: a realistic balance can never overflow a uint256 unchecked { balance += _received; } emit EntityRedeem(address(_portfolio), _shares, _received); return _received; } /** * @notice This method should be called to reconcile the Entity's internal baseToken accounting with the baseToken contract's accounting. * There are a 2 situations where calling this method is appropriate: * 1. To process amounts of baseToken that arrived at this Entity through methods besides Entity:donate or Entity:transfer. For example, * if this Entity receives a normal ERC20 transfer of baseToken, the amount received will be unavailable for Entity use until this method * is called to adjust the balance and process fees. OrgFundFactory.sol:_donate makes use of this method to do this as well. * 2. Unusually, the Entity's perspective of balance could be lower than `baseToken.balanceOf(this)`. This could happen if * Entity:callAsEntity is used to transfer baseToken. In this case, this method provides a way of correcting the Entity's internal balance. */ function reconcileBalance() external virtual { uint256 _tokenBalance = baseToken.balanceOf(address(this)); if (_tokenBalance >= balance) { uint256 _sweepAmount = _tokenBalance - balance; uint32 _feeMultiplier = registry.getDonationFeeWithOverrides(this); (uint256 _netAmount, uint256 _fee) = _calculateFee(_sweepAmount, _feeMultiplier); baseToken.safeTransfer(registry.treasury(), _fee); unchecked { balance += _netAmount; } emit EntityBalanceReconciled(address(this), _sweepAmount, _fee); } else { // Handle abnormal scenario where _tokenBalance < balance (see method docs) balance = _tokenBalance; emit EntityBalanceCorrected(address(this), _tokenBalance); } } /** * @notice Takes stray tokens or ETH sent directly to this Entity, swaps them for base token, then adds them to the * Entity's balance after paying the appropriate fee to the treasury. * @param _swapWrapper The swap wrapper to use to convert the assets. Must be whitelisted on the Registry. * @param _tokenIn The address of the ERC20 token to swap, or ETH_PLACEHOLDER if ETH. * @param _amountIn The amount of tokens or ETH being swapped and added to the balance. * @param _data Additional call data required by the ISwapWrapper being used. */ function swapAndReconcileBalance( ISwapWrapper _swapWrapper, address _tokenIn, uint256 _amountIn, bytes calldata _data ) external virtual nonReentrant requiresManager { if (!registry.isSwapperSupported(_swapWrapper)) revert InvalidAction(); uint32 _feeMultiplier = registry.getDonationFeeWithOverrides(this); if (_tokenIn != ETH_PLACEHOLDER) { ERC20(_tokenIn).safeApprove(address(_swapWrapper), 0); ERC20(_tokenIn).safeApprove(address(_swapWrapper), _amountIn); } // Send value only if token in is ETH uint256 _value = _tokenIn == ETH_PLACEHOLDER ? _amountIn : 0; uint256 _amountOut = _swapWrapper.swap{value: _value}(_tokenIn, address(baseToken), address(this), _amountIn, _data); (uint256 _netAmount, uint256 _fee) = _calculateFee(_amountOut, _feeMultiplier); baseToken.safeTransfer(registry.treasury(), _fee); unchecked { // unchecked as no possibility of overflow with baseToken precision balance += _netAmount; } if (balance > baseToken.balanceOf(address(this))) revert BalanceMismatch(); emit EntityBalanceReconciled(address(this), _amountOut, _fee); } /** * @notice Permissioned method that allows Endaoment admin to make arbitrary calls acting as this Entity. * @param _target The address to which the call will be made. * @param _value The ETH value that should be forwarded with the call. * @param _data The calldata that will be sent with the call. * @return _return The data returned by the call. */ function callAsEntity(address _target, uint256 _value, bytes memory _data) external payable virtual requiresAuth returns (bytes memory) { (bool _success, bytes memory _response) = payable(_target).call{value: _value}(_data); if (!_success) revert CallFailed(_response); return _response; } /** * @notice Pays out an amount of base tokens from the entity to an address. Transfers the fee calculated by the * default fee multiplier to the treasury. * @param _to The address to receive the tokens. * @param _amount Amount donated in base token. * @dev Reverts with `Unauthorized` if the `msg.sender` is not a privileged role. * @dev Reverts if the fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. */ function payout(address _to, uint256 _amount) external virtual requiresAuth { uint32 _feeMultiplier = registry.getPayoutFee(this); _payoutWithFeeMultiplier(_to, _amount, _feeMultiplier); } /** * @notice Pays out an amount of base tokens from the entity to an address. Transfers the fee calculated by the * default fee multiplier to the treasury. * @param _amount Amount donated in base token. * @dev Reverts with `Unauthorized` if the `msg.sender` is not a privileged role. * @dev Reverts if the fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. */ function payoutWithOverrides(address _to, uint256 _amount) external virtual requiresAuth { uint32 _feeMultiplier = registry.getPayoutFeeWithOverrides(this); _payoutWithFeeMultiplier(_to, _amount, _feeMultiplier); } /** * @notice Pays out an amount of base tokens from the entity to an address. Transfers fee specified by a privileged role. * @param _amount Amount donated in base token. * @param _feeOverride Payout override configured by an Admin * @dev Reverts with `Unauthorized` if the `msg.sender` is not a privileged role. * @dev Reverts if the fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). * @dev Reverts if the token transfer fails. */ function payoutWithAdminOverrides(address _to, uint256 _amount, uint32 _feeOverride) external virtual requiresAuth { _payoutWithFeeMultiplier(_to, _amount, _feeOverride); } /** * @notice Pays out an amount of base tokens from the entity to an address. Transfers the fee calculated by fee multiplier to the treasury. * @param _to The address to receive the tokens. * @param _amount Contains the amount being paid out (denominated in the base token's units). * @param _feeMultiplier Value indicating the percentage of the Endaoment fee to go to the Endaoment treasury. * @dev Reverts if the token transfer fails. * @dev Reverts if the fee percentage is larger than 100% (equal to 1e4 when represented as a zoc). */ function _payoutWithFeeMultiplier(address _to, uint256 _amount, uint32 _feeMultiplier) internal virtual { if (balance < _amount) revert InsufficientFunds(); (uint256 _netAmount, uint256 _fee) = _calculateFee(_amount, _feeMultiplier); baseToken.safeTransfer(registry.treasury(), _fee); baseToken.safeTransfer(address(_to), _netAmount); unchecked { // unchecked because we've already validated that amount is less than or equal to the balance balance -= _amount; } emit EntityValuePaidOut(address(this), _to, _amount, _fee); } /// @dev Internal helper method to calculate the fee on a base token amount for a given fee multiplier. function _calculateFee(uint256 _amount, uint256 _feeMultiplier) internal pure virtual returns (uint256 _netAmount, uint256 _fee) { if (_feeMultiplier > Math.ZOC) revert InvalidAction(); unchecked { // unchecked as no possibility of overflow with baseToken precision _fee = _amount.zocmul(_feeMultiplier); // unchecked as the _feeMultiplier check with revert above protects against overflow _netAmount = _amount - _fee; } } receive() external payable virtual { emit EntityEthReceived(msg.sender, msg.value); } }
//SPDX-License-Identifier: BSD 3-Clause pragma solidity >=0.8.0; error ETHAmountInMismatch(); /** * @notice ISwapWrapper is the interface that all swap wrappers should implement. * This will be used to support swap protocols like Uniswap V2 and V3, Sushiswap, 1inch, etc. */ interface ISwapWrapper { /// @notice Event emitted after a successful swap. event WrapperSwapExecuted( address indexed tokenIn, address indexed tokenOut, address sender, address indexed recipient, uint256 amountIn, uint256 amountOut ); /// @notice Name of swap wrapper for UX readability. function name() external returns (string memory); /** * @notice Swap function. Generally we expect the implementer to call some exactAmountIn-like swap method, and so the documentation * is written with this in mind. However, the method signature is general enough to support exactAmountOut swaps as well. * @param _tokenIn Token to be swapped (or 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for ETH). * @param _tokenOut Token to receive (or 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE for ETH). * @param _recipient Receiver of `_tokenOut`. * @param _amount Amount of `_tokenIn` that should be swapped. * @param _data Additional data that the swap wrapper may require to execute the swap. * @return Amount of _tokenOut received. */ function swap(address _tokenIn, address _tokenOut, address _recipient, uint256 _amount, bytes calldata _data) external payable returns (uint256); }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Gas optimized reentrancy protection for smart contracts. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/ReentrancyGuard.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol) abstract contract ReentrancyGuard { uint256 private reentrancyStatus = 1; modifier nonReentrant() { require(reentrancyStatus == 1, "REENTRANCY"); reentrancyStatus = 2; _; reentrancyStatus = 1; } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; import {RolesAuthority} from "./authorities/RolesAuthority.sol"; /** * @notice An abstract Auth that contracts in the Endaoment ecosystem can inherit from. It is based on * the `Auth.sol` contract from Solmate, but does not inherit from it. Most of the functionality * is either slightly different, or not needed. In particular: * - EndaomentAuth uses an initializer such that it can be deployed with minimal proxies. * - EndaomentAuth contracts reference a RolesAuthority, not just an Authority, when looking up permissions. * In the Endaoment ecosystem, this is assumed to be the Registry. * - EndaomentAuth contracts do not have an owner, but instead grant ubiquitous permission to its RoleAuthority's * owner. In the Endaoment ecosystem, this is assumed to be the board of directors multi-sig. * - EndaomentAuth contracts can optionally declare themselves a "special target" at deploy time. Instead of passing * their address to the authority when looking up their permissions, they'll instead pass the special target bytes. * See documentation on `specialTarget` for more information. * */ abstract contract EndaomentAuth { /// @notice Thrown when an account without proper permissions calls a privileged method. error Unauthorized(); /// @notice Thrown if there is an attempt to deploy with address 0 as the authority. error InvalidAuthority(); /// @notice Thrown if there is a second call to initialize. error AlreadyInitialized(); /// @notice The contract used to source permissions for accounts targeting this contract. RolesAuthority public authority; /** * @notice If set to a non-zero value, this contract will pass these byes as the target contract * to the RolesAuthority's `canCall` method, rather than its own contract. This allows a single * RolesAuthority permission to manage permissions simultaneously for a group of contracts that * identify themselves as a certain type. For example: set a permission for all "entity" contracts. */ bytes20 public specialTarget; /** * @notice One time method to be called at deployment to configure the contract. Required so EndaomentAuth * contracts can be deployed as minimal proxies (clones). * @param _authority Contract that will be used to source permissions for accounts targeting this contract. * @param _specialTarget The bytes that this contract will pass as the "target" when looking up permissions * from the authority. If set to empty bytes, this contract will pass its own address instead. */ function __initEndaomentAuth(RolesAuthority _authority, bytes20 _specialTarget) internal virtual { if (address(_authority) == address(0)) revert InvalidAuthority(); if (address(authority) != address(0)) revert AlreadyInitialized(); authority = _authority; specialTarget = _specialTarget; } /** * @notice Modifier for methods that require authorization to execute. */ modifier requiresAuth() virtual { if (!isAuthorized(msg.sender, msg.sig)) revert Unauthorized(); _; } /** * @notice Internal method that asks the authority whether the caller has permission to execute a method. * @param user The account attempting to call a permissioned method on this contract * @param functionSig The signature hash of the permissioned method being invoked. */ function isAuthorized(address user, bytes4 functionSig) internal view virtual returns (bool) { RolesAuthority auth = authority; // Memoizing authority saves us a warm SLOAD, around 100 gas. address _target = specialTarget == "" ? address(this) : address(specialTarget); // The caller has permission on authority, or the caller is the RolesAuthority owner return auth.canCall(user, _target, functionSig) || user == auth.owner(); } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; // This contract is modified from Solmate only to import modified Auth.sol on line 5 import {Auth, Authority} from "../Auth.sol"; /// @notice Role based Authority that supports up to 256 roles. /// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/auth/authorities/RolesAuthority.sol) /// @author Modified from Dappsys (https://github.com/dapphub/ds-roles/blob/master/src/roles.sol) contract RolesAuthority is Auth, Authority { /*/////////////////////////////////////////////////////////////// EVENTS //////////////////////////////////////////////////////////////*/ event UserRoleUpdated(address indexed user, uint8 indexed role, bool enabled); event PublicCapabilityUpdated(address indexed target, bytes4 indexed functionSig, bool enabled); event RoleCapabilityUpdated(uint8 indexed role, address indexed target, bytes4 indexed functionSig, bool enabled); /*/////////////////////////////////////////////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////*/ constructor(address _owner, Authority _authority) Auth(_owner, _authority) {} /*/////////////////////////////////////////////////////////////// ROLE/USER STORAGE //////////////////////////////////////////////////////////////*/ mapping(address => bytes32) public getUserRoles; mapping(address => mapping(bytes4 => bool)) public isCapabilityPublic; mapping(address => mapping(bytes4 => bytes32)) public getRolesWithCapability; function doesUserHaveRole(address user, uint8 role) public view virtual returns (bool) { return (uint256(getUserRoles[user]) >> role) & 1 != 0; } function doesRoleHaveCapability(uint8 role, address target, bytes4 functionSig) public view virtual returns (bool) { return (uint256(getRolesWithCapability[target][functionSig]) >> role) & 1 != 0; } /*/////////////////////////////////////////////////////////////// AUTHORIZATION LOGIC //////////////////////////////////////////////////////////////*/ function canCall(address user, address target, bytes4 functionSig) public view virtual override returns (bool) { return isCapabilityPublic[target][functionSig] || bytes32(0) != getUserRoles[user] & getRolesWithCapability[target][functionSig]; } /*/////////////////////////////////////////////////////////////// ROLE CAPABILITY CONFIGURATION LOGIC //////////////////////////////////////////////////////////////*/ function setPublicCapability(address target, bytes4 functionSig, bool enabled) public virtual requiresAuth { isCapabilityPublic[target][functionSig] = enabled; emit PublicCapabilityUpdated(target, functionSig, enabled); } function setRoleCapability(uint8 role, address target, bytes4 functionSig, bool enabled) public virtual requiresAuth { if (enabled) { getRolesWithCapability[target][functionSig] |= bytes32(1 << role); } else { getRolesWithCapability[target][functionSig] &= ~bytes32(1 << role); } emit RoleCapabilityUpdated(role, target, functionSig, enabled); } /*/////////////////////////////////////////////////////////////// USER ROLE ASSIGNMENT LOGIC //////////////////////////////////////////////////////////////*/ function setUserRole(address user, uint8 role, bool enabled) public virtual requiresAuth { if (enabled) { getUserRoles[user] |= bytes32(1 << role); } else { getUserRoles[user] &= ~bytes32(1 << role); } emit UserRoleUpdated(user, role, enabled); } }
// SPDX-License-Identifier: AGPL-3.0-only pragma solidity >=0.8.0; /// @notice Gas optimized reentrancy protection for smart contracts. /// @author Modified Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/ReentrancyGuard.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol) abstract contract ReentrancyGuard { uint256 private reentrancyStatus; error Reentrancy(); function __initReentrancyGuard() internal { if (reentrancyStatus != 0) revert Reentrancy(); reentrancyStatus = 1; } modifier nonReentrant() { if (reentrancyStatus != 1) revert Reentrancy(); reentrancyStatus = 2; _; reentrancyStatus = 1; } }
{ "remappings": [ "ds-test/=lib/ds-test/src/", "forge-std/=lib/forge-std/src/", "murky/=lib/murky/src/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "solmate/=lib/solmate/src/", "weird-erc20/=lib/solmate/lib/weird-erc20/src/" ], "optimizer": { "enabled": true, "runs": 9999999 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs" }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "london", "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _registry (address): 0x94106cA9c7E567109A1D39413052887d1F412183
Arg [1] : _receiptAsset (address): 0x98C23E9d8f34FEFb1B7BD6a91B7FF122F4e16F5c
Arg [2] : _cap (uint256): 115792089237316195423570985008687907853269984665640564039457584007913129639935
Arg [3] : _feeTreasury (address): 0x10FB0bBecE3c5b893563bCb8850403eaCaeAE30c
Arg [4] : _depositFee (uint256): 0
Arg [5] : _redemptionFee (uint256): 0
Arg [6] : _aumRate (uint256): 0
Arg [7] : _aavePool (address): 0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2
-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000094106ca9c7e567109a1d39413052887d1f412183
Arg [1] : 00000000000000000000000098c23e9d8f34fefb1b7bd6a91b7ff122f4e16f5c
Arg [2] : ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Arg [3] : 00000000000000000000000010fb0bbece3c5b893563bcb8850403eacaeae30c
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [7] : 00000000000000000000000087870bca3f3fd6335c3f4ce8392d69350b4fa4e2
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