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Contract Name:
ConcretePredepositVaultImpl
Compiler Version
v0.8.27+commit.40a35a09
Optimization Enabled:
Yes with 190 runs
Other Settings:
prague EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.24;
import {ConcreteStandardVaultImpl} from "./ConcreteStandardVaultImpl.sol";
import {IConcreteStandardVaultImpl} from "../interface/IConcreteStandardVaultImpl.sol";
import {IConcretePredepositVaultImpl} from "../interface/IConcretePredepositVaultImpl.sol";
import {
ConcretePredepositVaultImplStorageLib as PDVLib
} from "../lib/storage/ConcretePredepositVaultImplStorageLib.sol";
import {ConcreteV2RolesLib as RolesLib} from "../lib/Roles.sol";
import {IPredepostVaultOApp} from "../periphery/interface/IPredepostVaultOApp.sol";
import {ConcreteV2ConversionLib as ConversionLib} from "../lib/Conversion.sol";
import {Math} from "@openzeppelin-contracts/utils/math/Math.sol";
import {
ConcreteCachedVaultStateStorageLib as CachedVaultStateLib
} from "../lib/storage/ConcreteCachedVaultStateStorageLib.sol";
/**
* @title ConcretePredepositVaultImpl
* @notice A vault implementation that extends ConcreteStandardVaultImpl with cross-chain share claiming via a standalone OApp.
* @dev This is useful for pre-deposit phases where users can claim their shares on a different chain.
* Withdrawals should be disabled during the predeposit phase.
* Claims can only occur when deposits and withdrawals are locked.
* Claims should only occur when underlying assets are bridged to target chain.
* Typically self claims should be enabled only when assets are already bridged to target chain.
* In claims phase shares are duplicated until claimed on target chain and burned on source chain.
* The vault uses a separate OApp contract for cross-chain messaging.
*
* @custom:warning IMPORTANT: Assets deposited into this vault are intended to be bridged to a remote chain.
* Users MUST have custody/control of their address on the destination chain to receive shares.
* Shares are sent to the same address on the remote chain - ensure you control this address
* before depositing or claiming. Loss of custody on the destination chain means loss of funds.
*/
contract ConcretePredepositVaultImpl is ConcreteStandardVaultImpl, IConcretePredepositVaultImpl {
using ConversionLib for uint256;
// Message type identifier for cross-chain claims
uint16 public constant MSG_TYPE_CLAIM = 1;
uint16 public constant MSG_TYPE_BATCH_CLAIM = 2;
/// @notice Event emitted when OApp address is set
event OAppSet(address indexed oapp);
/**
* @dev Constructor
* @param factory The address of the factory
*/
constructor(address factory) ConcreteStandardVaultImpl(factory) {}
/**
* @dev Initialization function that will be called when a proxy vault is deployed through `ConcreteFactory`.
* @param initialVersion The initial version of the vault
* @param owner The owner of the vault
* @param data Encoded initialization data (allocateModule, asset, initialVaultManager, name, symbol)
*/
function _initialize(uint64 initialVersion, address owner, bytes memory data) internal virtual override {
(
address allocateModuleAddr,
address asset,
address initialVaultManager,
string memory name,
string memory symbol
) = abi.decode(data, (address, address, address, string, string));
// Call parent initialization
super._initialize(
initialVersion, owner, abi.encode(allocateModuleAddr, asset, initialVaultManager, name, symbol)
);
// Initialize self claims setting to false (can be enabled via setSelfClaimsEnabled)
PDVLib.ConcretePredepositVaultImplStorage storage $ = PDVLib.fetch();
$.selfClaimsEnabled = false;
}
/// @inheritdoc IConcretePredepositVaultImpl
function claimOnTargetChain(bytes calldata options) external payable nonReentrant withYieldAccrual {
PDVLib.ConcretePredepositVaultImplStorage storage $ = PDVLib.fetch();
// Ensure self claims are enabled
require($.selfClaimsEnabled, SelfClaimsDisabled());
_validateClaimConditions($);
// Get user's current share balance
uint256 userShares = balanceOf(msg.sender);
require(userShares != 0, NoSharesToClaim());
// decrease cached totalAssets proportionally to the user's shares to maintain the share price
uint256 assets = userShares.calcConvertToAssets(totalSupply(), cachedTotalAssets(), Math.Rounding.Floor, false);
CachedVaultStateLib.fetch().cachedTotalAssets = cachedTotalAssets() - assets;
_burn(msg.sender, userShares);
// Store locked shares
$.lockedShares[msg.sender] += userShares;
bytes memory payload = abi.encode(MSG_TYPE_CLAIM, msg.sender, userShares);
// Send the message via the OApp (quote and fee validation done internally)
IPredepostVaultOApp($.oapp).send{value: msg.value}(payload, options, msg.sender);
emit SharesClaimedOnTargetChain(msg.sender, userShares);
}
/// @inheritdoc IConcretePredepositVaultImpl
function batchClaimOnTargetChain(bytes calldata addressesData, bytes calldata options)
external
payable
nonReentrant
withYieldAccrual
onlyRole(RolesLib.VAULT_MANAGER)
{
PDVLib.ConcretePredepositVaultImplStorage storage $ = PDVLib.fetch();
_validateClaimConditions($);
// Decode addresses array
address[] memory addresses = abi.decode(addressesData, (address[]));
require(addresses.length > 0 && addresses.length <= 150, BadAddressArrayLength(addresses.length));
uint256[] memory sharesArray = new uint256[](addresses.length);
uint256 totalShares = 0;
for (uint256 i = 0; i < addresses.length; i++) {
address user = addresses[i];
require(user != address(0), InvalidUserAddress());
uint256 userShares = balanceOf(user);
if (userShares == 0) continue; // Skip users with no shares, already claimed, duplicates in list
// decrease cached totalAssets proportionally to the user's shares to maintain the share price
uint256 assets =
userShares.calcConvertToAssets(totalSupply(), cachedTotalAssets(), Math.Rounding.Floor, false);
CachedVaultStateLib.fetch().cachedTotalAssets = cachedTotalAssets() - assets;
_burn(user, userShares);
// Store locked shares
$.lockedShares[user] += userShares;
// Store in batch arrays
sharesArray[i] = userShares;
totalShares += userShares;
emit SharesClaimedOnTargetChain(user, userShares);
}
require(totalShares > 0, NoSharesInBatch());
bytes memory payload = abi.encode(MSG_TYPE_BATCH_CLAIM, addresses, sharesArray);
// Send the message via the OApp (quote and fee validation done internally)
IPredepostVaultOApp($.oapp).send{value: msg.value}(payload, options, msg.sender);
}
/// @inheritdoc IConcretePredepositVaultImpl
function getLockedShares(address user) external view returns (uint256) {
return PDVLib.fetch().lockedShares[user];
}
/// @inheritdoc IConcretePredepositVaultImpl
function setSelfClaimsEnabled(bool enabled) external onlyRole(RolesLib.VAULT_MANAGER) {
PDVLib.ConcretePredepositVaultImplStorage storage $ = PDVLib.fetch();
$.selfClaimsEnabled = enabled;
emit SelfClaimsEnabledUpdated(enabled);
}
/// @inheritdoc IConcretePredepositVaultImpl
function getSelfClaimsEnabled() external view returns (bool) {
return PDVLib.fetch().selfClaimsEnabled;
}
/// @inheritdoc IConcretePredepositVaultImpl
function setOApp(address oappAddress) external onlyRole(RolesLib.VAULT_MANAGER) {
PDVLib.ConcretePredepositVaultImplStorage storage $ = PDVLib.fetch();
$.oapp = oappAddress;
emit OAppSet(oappAddress);
}
/// @inheritdoc IConcretePredepositVaultImpl
function getOApp() external view returns (address) {
return PDVLib.fetch().oapp;
}
/**
* @dev Upgrade function that handles migration from ConcreteStandardVaultImpl to ConcretePredepositVaultImpl
* @dev Sets selfClaimsEnabled to false by default (can be enabled via setSelfClaimsEnabled)
*/
function _upgrade(
uint64,
/* oldVersion */
uint64,
/* newVersion */
bytes calldata /* data */
)
internal
virtual
override
{
// Initialize self claims setting to false (can be enabled via setSelfClaimsEnabled)
PDVLib.ConcretePredepositVaultImplStorage storage $ = PDVLib.fetch();
$.selfClaimsEnabled = false;
}
/**
* @dev Internal function to validate claim conditions
* @param $ Storage reference to ConcretePredepositVaultImplStorage
*/
function _validateClaimConditions(PDVLib.ConcretePredepositVaultImplStorage storage $) internal view {
// Ensure OApp is set
require($.oapp != address(0), OAppNotSet());
// Ensure deposits are locked
(uint256 maxDepositAmount,) = getDepositLimits();
require(maxDepositAmount == 0, DepositsNotLocked());
// Ensure withdrawals are locked
(uint256 maxWithdrawAmount,) = getWithdrawLimits();
require(maxWithdrawAmount == 0, WithdrawalsNotLocked());
}
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.24;
/**
* @title ConcreteStandardVaultImpl
* @notice ERC-4626 upgradeable standard vault implementation for the Concrete Earn V2 protocol.
* Holds an underlying ERC20 asset and exposes deposit/mint/withdraw/redeem flows.
* Integrates with strategy modules to route assets to yield sources.
*
* @author Blueprint Finance
* @custom:protocol Concrete Earn V2
* @custom:oz-upgrades Use OZ Upgradeable patterns and eip7201 storage layout
* @custom:source on request
* @custom:audits on request
* @custom:license AGPL-3.0
*/
// ─────────────────────────────────────────────────────────────────────────────
// External dependencies
// ─────────────────────────────────────────────────────────────────────────────
import {
AccessControlEnumerableUpgradeable
} from "@openzeppelin-upgradeable/access/extensions/AccessControlEnumerableUpgradeable.sol";
import {
ERC4626Upgradeable,
IERC20,
IERC4626,
Math,
SafeERC20
} from "@openzeppelin-upgradeable/token/ERC20/extensions/ERC4626Upgradeable.sol";
import {Address} from "@openzeppelin-contracts/utils/Address.sol";
import {EnumerableSet} from "@openzeppelin-contracts/utils/structs/EnumerableSet.sol";
import {Ownable} from "@openzeppelin-contracts/access/Ownable.sol";
import {SafeCast} from "@openzeppelin-contracts/utils/math/SafeCast.sol";
// ─────────────────────────────────────────────────────────────────────────────
// Protocol-facing interfaces
// ─────────────────────────────────────────────────────────────────────────────
import {IConcreteStandardVaultImpl} from "../interface/IConcreteStandardVaultImpl.sol";
import {IStrategyTemplate} from "../interface/IStrategyTemplate.sol";
// ─────────────────────────────────────────────────────────────────────────────
// Internal modules/contracts
// ─────────────────────────────────────────────────────────────────────────────
import {IAllocateModule} from "../module/AllocateModule.sol";
import {UpgradeableVault} from "../common/UpgradeableVault.sol";
// ─────────────────────────────────────────────────────────────────────────────
// Internal libraries
// ─────────────────────────────────────────────────────────────────────────────
import {ConcreteV2ConstantsLib as ConstantsLib} from "../lib/Constants.sol";
import {ConcreteV2ConversionLib as ConversionLib} from "../lib/Conversion.sol";
import {Hooks, HooksLibV1 as HooksLib} from "../lib/Hooks.sol";
import {ConcreteV2RolesLib as RolesLib} from "../lib/Roles.sol";
import {StateInitLib} from "../lib/StateInitLib.sol";
import {StateSetterLib} from "../lib/StateSetterLib.sol";
import {Time} from "../lib/Time.sol";
// ─────────────────────────────────────────────────────────────────────────────
// Storage layout libraries
// ─────────────────────────────────────────────────────────────────────────────
import {
ConcreteCachedVaultStateStorageLib as CachedVaultStateLib
} from "../lib/storage/ConcreteCachedVaultStateStorageLib.sol";
import {ConcreteStandardVaultImplStorageLib as SVLib} from "../lib/storage/ConcreteStandardVaultImplStorageLib.sol";
contract ConcreteStandardVaultImpl is
ERC4626Upgradeable,
UpgradeableVault,
AccessControlEnumerableUpgradeable,
IConcreteStandardVaultImpl
{
using Address for address;
using EnumerableSet for EnumerableSet.AddressSet;
using SafeCast for uint256;
using ConversionLib for uint256;
using HooksLib for Hooks;
event HooksSet(Hooks hooks);
/// @dev Modifier to accrue yield before function execution
modifier withYieldAccrual() {
_accrueYield();
_;
}
/**
* @dev Constructor
* @param factory The address of the factory
*/
constructor(address factory) UpgradeableVault(factory) {}
/// @inheritdoc IConcreteStandardVaultImpl
function allocate(bytes calldata data) public virtual nonReentrant onlyRole(RolesLib.ALLOCATOR) withYieldAccrual {
// delegatecall allocate module
bytes memory delegateData = abi.encodeWithSelector(IAllocateModule.allocateFunds.selector, data);
allocateModule().functionDelegateCall(delegateData);
require(IERC20(asset()).balanceOf(address(this)) >= _lockedAssets(), InsufficientBalance());
}
/// @inheritdoc IConcreteStandardVaultImpl
function accrueYield() external virtual nonReentrant {
_accrueYield();
}
/// @inheritdoc IConcreteStandardVaultImpl
function updateManagementFee(uint16 managementFee_)
external
nonReentrant
onlyRole(RolesLib.VAULT_MANAGER)
withYieldAccrual
{
StateSetterLib.updateManagementFee(managementFee_);
}
/// @inheritdoc IConcreteStandardVaultImpl
function updateManagementFeeRecipient(address recipient) external nonReentrant withYieldAccrual {
require(_msgSender() == Ownable(factory).owner(), InvalidFactoryOwner());
StateSetterLib.updateManagementFeeRecipient(recipient);
}
/// @inheritdoc IConcreteStandardVaultImpl
function updatePerformanceFee(uint16 performanceFee_)
external
nonReentrant
onlyRole(RolesLib.VAULT_MANAGER)
withYieldAccrual
{
StateSetterLib.updatePerformanceFee(performanceFee_);
}
/// @inheritdoc IConcreteStandardVaultImpl
function updatePerformanceFeeRecipient(address recipient) external nonReentrant withYieldAccrual {
require(msg.sender == Ownable(factory).owner(), InvalidFactoryOwner());
StateSetterLib.updatePerformanceFeeRecipient(recipient);
}
/// @inheritdoc IConcreteStandardVaultImpl
function setDepositLimits(uint256 minDepositAmount, uint256 maxDepositAmount)
external
nonReentrant
onlyRole(RolesLib.VAULT_MANAGER)
{
StateSetterLib.setDepositLimits(minDepositAmount, maxDepositAmount);
}
/// @inheritdoc IConcreteStandardVaultImpl
function setWithdrawLimits(uint256 minWithdrawAmount, uint256 maxWithdrawAmount)
external
nonReentrant
onlyRole(RolesLib.VAULT_MANAGER)
{
StateSetterLib.setWithdrawLimits(minWithdrawAmount, maxWithdrawAmount);
}
/// @inheritdoc IConcreteStandardVaultImpl
function getFeeConfig()
external
view
override
returns (
uint16 currentManagementFee,
address currentManagementFeeRecipient,
uint32 currentLastManagementFeeAccrual,
uint16 currentPerformanceFee,
address currentPerformanceFeeRecipient
)
{
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
return (
$.managementFee,
$.managementFeeRecipient,
$.lastManagementFeeAccrual,
$.performanceFee,
$.performanceFeeRecipient
);
}
/**
* @inheritdoc IERC4626
*/
function deposit(uint256 assets, address receiver)
public
virtual
override(IERC4626, ERC4626Upgradeable)
nonReentrant
withYieldAccrual
returns (uint256)
{
require(receiver != address(0), InvalidReceiver());
Hooks memory h = SVLib.fetch().hooks;
uint256 totalAssetsBeforeDeposit = cachedTotalAssets();
// invoke pre-deposit hook if enabled
if (h.checkIsValid(HooksLib.PRE_DEPOSIT)) {
h.preDeposit(_msgSender(), assets, receiver, totalAssetsBeforeDeposit);
}
// deposit assets
uint256 maxAssets = maxDeposit(receiver);
if (assets > maxAssets) {
revert ERC4626ExceededMaxDeposit(receiver, assets, maxAssets);
}
uint256 shares = assets.calcConvertToShares(totalSupply(), totalAssetsBeforeDeposit, Math.Rounding.Floor, true);
(uint256 maxDepositAmount, uint256 minDepositAmount) = getDepositLimits();
require(
assets + totalAssetsBeforeDeposit <= maxDepositAmount && assets >= minDepositAmount,
AssetAmountOutOfBounds(msg.sender, assets, minDepositAmount, maxDepositAmount)
);
_deposit(_msgSender(), receiver, assets, shares);
// invoke post-deposit hook if enabled
if (h.checkIsValid(HooksLib.POST_DEPOSIT)) {
h.postDeposit(_msgSender(), assets, shares, receiver, cachedTotalAssets());
}
return shares;
}
/**
* @inheritdoc IERC4626
*/
function mint(uint256 shares, address receiver)
public
virtual
override(IERC4626, ERC4626Upgradeable)
nonReentrant
withYieldAccrual
returns (uint256)
{
require(receiver != address(0), InvalidReceiver());
Hooks memory h = SVLib.fetch().hooks;
uint256 totalAssetsBeforeDeposit = cachedTotalAssets();
// invoke pre-mint hook if enabled
if (h.checkIsValid(HooksLib.PRE_MINT)) h.preMint(_msgSender(), shares, receiver, totalAssetsBeforeDeposit);
uint256 maxShares = maxMint(receiver);
if (shares > maxShares) {
revert ERC4626ExceededMaxMint(receiver, shares, maxShares);
}
uint256 assets = shares.calcConvertToAssets(totalSupply(), totalAssetsBeforeDeposit, Math.Rounding.Ceil, true);
(uint256 maxDepositAmount, uint256 minDepositAmount) = getDepositLimits();
require(
assets + totalAssetsBeforeDeposit <= maxDepositAmount && assets >= minDepositAmount,
AssetAmountOutOfBounds(_msgSender(), assets, minDepositAmount, maxDepositAmount)
);
_deposit(_msgSender(), receiver, assets, shares);
// invoke post-mint hook if enabled
if (h.checkIsValid(HooksLib.POST_MINT)) {
h.postMint(_msgSender(), assets, shares, receiver, cachedTotalAssets());
}
return assets;
}
/**
* @inheritdoc IERC4626
*/
function withdraw(uint256 assets, address receiver, address owner)
public
virtual
override(IERC4626, ERC4626Upgradeable)
nonReentrant
withYieldAccrual
returns (uint256)
{
require(receiver != address(0), InvalidReceiver());
Hooks memory h = SVLib.fetch().hooks;
uint256 totalAssetsBeforeWithdrawal = cachedTotalAssets();
if (h.checkIsValid(HooksLib.PRE_WITHDRAW)) {
h.preWithdraw(_msgSender(), assets, receiver, owner, totalAssetsBeforeWithdrawal);
}
// Optimistic maxAssets that does not account for the withdrawals from strategies, this is to avoid the need to call _simulateWithdraw().
// If maxAssets is greater than the actual withdrawable amount, _executeWithdraw() will revert.
uint256 totalSupply_ = totalSupply();
uint256 maxAssets =
balanceOf(owner).calcConvertToAssets(totalSupply_, totalAssetsBeforeWithdrawal, Math.Rounding.Floor, false);
uint256 shares = assets.calcConvertToShares(totalSupply_, totalAssetsBeforeWithdrawal, Math.Rounding.Ceil, true);
if (assets > maxAssets || _executeWithdraw(_msgSender(), receiver, owner, assets, shares) < assets) {
revert ERC4626ExceededMaxWithdraw(owner, assets, maxAssets);
}
(uint256 maxWithdrawAmount, uint256 minWithdrawAmount) = getWithdrawLimits();
require(
assets <= maxWithdrawAmount && assets >= minWithdrawAmount,
AssetAmountOutOfBounds(_msgSender(), assets, minWithdrawAmount, maxWithdrawAmount)
);
// invoke post-withdraw hook if enabled
if (h.checkIsValid(HooksLib.POST_WITHDRAW)) {
h.postWithdraw(_msgSender(), assets, shares, receiver, cachedTotalAssets());
}
return shares;
}
/**
* @inheritdoc IERC4626
*/
function redeem(uint256 shares, address receiver, address owner)
public
virtual
override(IERC4626, ERC4626Upgradeable)
nonReentrant
withYieldAccrual
returns (uint256)
{
require(receiver != address(0), InvalidReceiver());
Hooks memory h = SVLib.fetch().hooks;
uint256 totalAssetsBeforeWithdrawal = cachedTotalAssets();
// invoke pre-redeem hook if enabled
if (h.checkIsValid(HooksLib.PRE_REDEEM)) {
h.preRedeem(_msgSender(), shares, receiver, owner, totalAssetsBeforeWithdrawal);
}
// Optimistic maxShares that does not account for the withdrawals from strategies, this is to avoid the need to call _simulateWithdraw().
// If maxShares is greater than the actual redeemable amount, _executeWithdraw() will revert.
uint256 maxShares = balanceOf(owner);
uint256 assets =
shares.calcConvertToAssets(totalSupply(), totalAssetsBeforeWithdrawal, Math.Rounding.Floor, true);
if (shares > maxShares || _executeWithdraw(_msgSender(), receiver, owner, assets, shares) < assets) {
revert ERC4626ExceededMaxRedeem(owner, shares, maxShares);
}
(uint256 maxWithdrawAmount, uint256 minWithdrawAmount) = getWithdrawLimits();
require(
assets <= maxWithdrawAmount && assets >= minWithdrawAmount,
AssetAmountOutOfBounds(_msgSender(), assets, minWithdrawAmount, maxWithdrawAmount)
);
// invoke post-redeem hook if enabled
if (h.checkIsValid(HooksLib.POST_REDEEM)) {
h.postRedeem(_msgSender(), assets, shares, receiver, cachedTotalAssets());
}
return assets;
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function setHooks(Hooks memory hooks) external virtual nonReentrant onlyRole(RolesLib.HOOK_MANAGER) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
$.hooks = hooks;
emit HooksSet(hooks);
}
/**
* @notice overwrites the deallocation order from strategies;
*/
function setDeallocationOrder(address[] calldata order) external virtual nonReentrant onlyRole(RolesLib.ALLOCATOR) {
StateSetterLib.setDeallocationOrder(order);
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function addStrategy(address strategy) public virtual nonReentrant onlyRole(RolesLib.STRATEGY_MANAGER) {
require(IStrategyTemplate(strategy).asset() == asset(), InvalidStrategyAsset());
StateSetterLib.addStrategy(strategy);
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function removeStrategy(address strategy) public virtual nonReentrant onlyRole(RolesLib.STRATEGY_MANAGER) {
StateSetterLib.removeStrategy(strategy);
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function toggleStrategyStatus(address strategy) public virtual nonReentrant onlyRole(RolesLib.STRATEGY_MANAGER) {
StateSetterLib.toggleStrategyStatus(strategy);
}
/**
* @notice Returns the deallocation order from strategies.
*/
function getDeallocationOrder() external view returns (address[] memory order) {
return SVLib.fetch().deallocationOrder;
}
/**
* @dev See {IERC4626-previewDeposit}.
*/
function previewDeposit(uint256 assets)
public
view
virtual
override(IERC4626, ERC4626Upgradeable)
returns (uint256)
{
(uint256 totalAssetsPreview, uint256 totalSupply) = _previewAccrueYieldAndFees();
return assets.calcConvertToShares(totalSupply, totalAssetsPreview, Math.Rounding.Floor, false);
}
/**
* @inheritdoc IERC4626
*/
function previewMint(uint256 shares) public view virtual override(IERC4626, ERC4626Upgradeable) returns (uint256) {
(uint256 totalAssetsPreview, uint256 totalSupply) = _previewAccrueYieldAndFees();
return shares.calcConvertToAssets(totalSupply, totalAssetsPreview, Math.Rounding.Ceil, false);
}
/**
* @inheritdoc IERC4626
*/
function previewWithdraw(uint256 assets)
public
view
virtual
override(IERC4626, ERC4626Upgradeable)
returns (uint256)
{
(uint256 totalAssetsPreview, uint256 totalSupply) = _previewAccrueYieldAndFees();
return assets.calcConvertToShares(totalSupply, totalAssetsPreview, Math.Rounding.Ceil, false);
}
/**
* @inheritdoc IERC4626
*/
function previewRedeem(uint256 shares)
public
view
virtual
override(IERC4626, ERC4626Upgradeable)
returns (uint256)
{
(uint256 totalAssetsPreview, uint256 totalSupply) = _previewAccrueYieldAndFees();
return shares.calcConvertToAssets(totalSupply, totalAssetsPreview, Math.Rounding.Floor, false);
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function previewAccrueYield() public view virtual returns (uint256, uint256) {
return _previewAccrueYieldAndFees();
}
/**
* @inheritdoc IERC4626
*/
function totalAssets()
public
view
virtual
override(IERC4626, ERC4626Upgradeable)
returns (uint256 totalAssetsWithYield)
{
(totalAssetsWithYield,) = _previewAccrueYieldAndFees();
}
/**
* @inheritdoc IERC4626
*/
function maxRedeem(address owner) public view virtual override(IERC4626, ERC4626Upgradeable) returns (uint256) {
(uint256 maxAssets, uint256 expectedTotalAssets, uint256 expectedTotalSupply) = _maxWithdraw(owner);
return maxAssets.calcConvertToShares(expectedTotalSupply, expectedTotalAssets, Math.Rounding.Floor, false);
}
/**
* @inheritdoc IERC4626
*/
function maxWithdraw(address owner)
public
view
virtual
override(IERC4626, ERC4626Upgradeable)
returns (uint256 maxAssets)
{
(maxAssets,,) = _maxWithdraw(owner);
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function getStrategyData(address strategy) public view returns (StrategyData memory) {
return SVLib.fetch().strategyData[strategy];
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function getStrategies() public view returns (address[] memory) {
return SVLib.fetch().strategies.values();
}
/**
* @inheritdoc IConcreteStandardVaultImpl
*/
function allocateModule() public view returns (address) {
return SVLib.fetch().allocateModule;
}
/// @inheritdoc IConcreteStandardVaultImpl
function getDepositLimits() public view returns (uint256, uint256) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
return ($.maxDepositAmount, $.minDepositAmount);
}
/// @inheritdoc IConcreteStandardVaultImpl
function getWithdrawLimits() public view returns (uint256, uint256) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
return ($.maxWithdrawAmount, $.minWithdrawAmount);
}
/// @inheritdoc IConcreteStandardVaultImpl
function managementFee() public view returns (address, uint16, uint32) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
return ($.managementFeeRecipient, $.managementFee, $.lastManagementFeeAccrual);
}
/// @inheritdoc IConcreteStandardVaultImpl
function performanceFee() public view returns (address, uint16) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
return ($.performanceFeeRecipient, $.performanceFee);
}
/// @inheritdoc IConcreteStandardVaultImpl
function getTotalAllocated() public view returns (uint256 totalAllocated) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
address[] memory strategies = $.strategies.values();
for (uint256 i = 0; i < strategies.length; i++) {
totalAllocated += $.strategyData[strategies[i]].allocated;
}
}
function cachedTotalAssets() public view returns (uint256) {
return CachedVaultStateLib.fetch().cachedTotalAssets;
}
/**
* @dev Initialization function that will be called when a proxy vault is deployed through `ConcreteFactory`.
*/
function _initialize(
uint64,
/*initialVersion*/
address,
/*owner*/
bytes memory data
)
internal
virtual
override
{
(
address allocateModuleAddr,
address asset,
address initialVaultManager,
string memory name,
string memory symbol
) = abi.decode(data, (address, address, address, string, string));
require(allocateModuleAddr != address(0), InvalidAllocateModule());
require(asset != address(0), InvalidAsset());
require(initialVaultManager != address(0), InvalidInitialVaultManager());
require(bytes(name).length > 0, InvalidName());
require(bytes(symbol).length > 0, InvalidSymbol());
__ERC20_init_unchained(name, symbol);
__ERC4626_init_unchained(IERC20(asset));
__AccessControlEnumerable_init_unchained();
StateInitLib.stateInitStandardVaultImpl(allocateModuleAddr, initialVaultManager, _msgSender());
}
/**
* @dev Upgrade function that will be called when a proxy vault upgrades to this implementation
*/
function _upgrade(
uint64,
/* oldVersion */
uint64,
/* newVersion */
bytes calldata /* data */
)
internal
virtual
override
{}
/**
* @dev Internal function that executes the yield accrual operation across all active strategies.
* @dev This function iterates through all strategies managed by the vault, calculates
* yield generated and losses incurred since the last yield accrual, and updates the vault's
* internal accounting accordingly.
* @dev This function does not trigger actual fund movements, it only updates accounting
* to reflect the current state of strategy allocations.
*/
function _accrueYield() internal virtual returns (uint256) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
uint256 totalPositiveYield;
uint256 totalNegativeYield;
{
address[] memory strategies = $.strategies.values();
uint256 strategiesCounter = strategies.length;
for (uint256 i; i < strategiesCounter; ++i) {
(uint256 positiveYield, uint256 loss, uint256 strategyTotalAllocatedValue) =
_previewStrategyYield(strategies[i]);
// update the strategy allocated amount only if there is yield or loss, otherwise it's the same amount as when we called `allocate()`.
// we do update the lastTotalAssets after netting the yield and loss
if (positiveYield != 0 || loss != 0) {
$.strategyData[strategies[i]].allocated = strategyTotalAllocatedValue.toUint120();
totalPositiveYield += positiveYield;
totalNegativeYield += loss;
emit StrategyYieldAccrued(strategies[i], strategyTotalAllocatedValue, positiveYield, loss);
}
}
}
CachedVaultStateLib.ConcreteCachedVaultStateStorage storage $cached = CachedVaultStateLib.fetch();
uint256 totalAssetsCached = $cached.cachedTotalAssets + totalPositiveYield - totalNegativeYield;
// update the lastTotalAssets
$cached.cachedTotalAssets = totalAssetsCached;
// Accrue management fees after accruing yield to calculate fee asset amount on total vault AUM
accrueManagementFee(totalAssetsCached);
// Accrue performance fees on net yield amount
accruePerformanceFee(totalAssetsCached, totalPositiveYield, totalNegativeYield);
emit YieldAccrued(totalPositiveYield, totalNegativeYield);
return totalAssetsCached;
}
/**
* @dev Internal function that handles withdrawal operations, including strategy deallocation when needed.
* @dev This function implements the core withdrawal logic for the vault, automatically managing
* fund retrieval from both idle vault balance and allocated strategies to fulfill withdrawal requests.
* @dev Withdrawal Process:
* 1. First attempts to use idle funds (assets sitting in the vault contract)
* 2. If idle funds are insufficient, iterates through active strategies to deallocate funds
* 3. For each strategy, respects the strategy's maxWithdraw() limit
* 4. Updates strategy allocation accounting after successful deallocations
* 5. Delegates to parent contract for final ERC4626 withdrawal execution
* @dev Requirements:
* - Combined idle funds and strategy liquidity must be sufficient for withdrawal amount
* - All deallocated strategies must be in Active status
* - Strategy onWithdraw() calls must succeed and return expected amounts
* @param caller The address that initiated the withdrawal (for access control)
* @param receiver The address that will receive the withdrawn assets
* @param owner The address whose shares are being burned for the withdrawal
* @param assets The amount of assets to withdraw from the vault
* @param shares The amount of shares to burn in exchange for the assets
*/
function _executeWithdraw(address caller, address receiver, address owner, uint256 assets, uint256 shares)
internal
virtual
returns (uint256)
{
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
uint256 floatingFunds = IERC20(asset()).balanceOf(address(this));
uint256 lockedAssets = _lockedAssets();
uint256 totalWithdrawableAmount = floatingFunds >= lockedAssets ? floatingFunds - lockedAssets : 0;
if (totalWithdrawableAmount < assets) {
address[] memory deallocationOrder = $.deallocationOrder;
uint256 strategiesCounter = deallocationOrder.length;
uint256 desiredAssets;
for (uint256 i; i < strategiesCounter; ++i) {
if (
($.strategyData[deallocationOrder[i]].status != IConcreteStandardVaultImpl.StrategyStatus.Active)
|| !$.strategies.contains(deallocationOrder[i])
) continue;
unchecked {
desiredAssets = assets - totalWithdrawableAmount;
}
uint256 withdrawableAmountFromStrategy = IStrategyTemplate(deallocationOrder[i]).maxWithdraw();
uint256 withdrawAmount =
(withdrawableAmountFromStrategy >= desiredAssets) ? desiredAssets : withdrawableAmountFromStrategy;
if (withdrawAmount > 0) {
// Actually withdraw from the strategy
uint256 actualWithdrawn = IStrategyTemplate(deallocationOrder[i]).onWithdraw(withdrawAmount);
// Update strategy allocated amount
$.strategyData[deallocationOrder[i]].allocated -= actualWithdrawn.toUint120();
totalWithdrawableAmount += actualWithdrawn;
}
if (totalWithdrawableAmount >= assets) break;
}
}
_withdraw(caller, receiver, owner, assets, shares);
return totalWithdrawableAmount;
}
function _withdraw(address caller, address receiver, address owner, uint256 assets, uint256 shares)
internal
virtual
override
{
if (caller != owner) {
_spendAllowance(owner, caller, shares);
}
// If asset() is ERC-777, `transfer` can trigger a reentrancy AFTER the transfer happens through the
// `tokensReceived` hook. On the other hand, the `tokensToSend` hook, that is triggered before the transfer,
// calls the vault, which is assumed not malicious.
//
// Conclusion: we need to do the transfer after the burn so that any reentrancy would happen after the
// shares are burned and after the assets are transferred, which is a valid state.
CachedVaultStateLib.fetch().cachedTotalAssets -= assets;
_burn(owner, shares);
SafeERC20.safeTransfer(IERC20(asset()), receiver, assets);
emit Withdraw(caller, receiver, owner, assets, shares);
}
/**
* @dev Deposit/mint common workflow.
*/
function _deposit(address caller, address receiver, uint256 assets, uint256 shares) internal virtual override {
// If asset() is ERC-777, `transferFrom` can trigger a reentrancy BEFORE the transfer happens through the
// `tokensToSend` hook. On the other hand, the `tokenReceived` hook, that is triggered after the transfer,
// calls the vault, which is assumed not malicious.
//
// Conclusion: we need to do the transfer before we mint so that any reentrancy would happen before the
// assets are transferred and before the shares are minted, which is a valid state.
// slither-disable-next-line reentrancy-no-eth
SafeERC20.safeTransferFrom(IERC20(asset()), caller, address(this), assets);
CachedVaultStateLib.fetch().cachedTotalAssets += assets;
_mint(receiver, shares);
emit Deposit(caller, receiver, assets, shares);
}
/**
* @dev Accrue management fees by minting shares to the fee recipient.
* @param totalAssetsAmount The total assets in the vault to calculate fee on
*/
function accrueManagementFee(uint256 totalAssetsAmount) internal {
(uint256 feeShares, uint256 feeAmount) = previewManagementFee(totalAssetsAmount);
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
// Update last accrual timestamp
$.lastManagementFeeAccrual = Time.timestamp();
// Mint shares to management fee recipient
address managementFeeRecipient = $.managementFeeRecipient;
if (feeShares != 0 && managementFeeRecipient != address(0)) {
// Mint shares to management fee recipient
_mint(managementFeeRecipient, feeShares);
emit ManagementFeeAccrued(managementFeeRecipient, feeShares, feeAmount);
}
}
/**
* @dev Accrue performance fees by minting shares to the fee recipient.
* @param totalAssetsAmount The total assets in the vault to calculate fee on
* @param positiveYield The total positive yield generated by all strategies
* @param loss The total losses incurred by all strategies
*/
function accruePerformanceFee(uint256 totalAssetsAmount, uint256 positiveYield, uint256 loss) internal {
(uint256 performanceFeeShares, uint256 feeAmount) =
previewPerformanceFee(totalAssetsAmount, positiveYield, loss, totalSupply());
if (performanceFeeShares == 0) return;
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
// Mint shares to performance fee recipient
address performanceFeeRecipient = $.performanceFeeRecipient;
if (performanceFeeRecipient != address(0)) {
_mint(performanceFeeRecipient, performanceFeeShares);
emit PerformanceFeeAccrued(performanceFeeRecipient, performanceFeeShares, feeAmount);
}
}
/**
* @dev Simulates the yield accrual operation across all strategies including fees.
* @return totalAssets The projected total assets after yield accrual (current + yield - losses)
* @return totalSupply The projected total supply after yield accrual (current + management fee shares + performance fee shares)
*/
function _previewAccrueYieldAndFees() internal view virtual returns (uint256, uint256) {
(uint256 totalPositiveYield, uint256 totalNegativeYield) = _previewYieldNoFees();
uint256 totalSupplyCached = totalSupply();
uint256 totalAssetsCached = cachedTotalAssets() + totalPositiveYield - totalNegativeYield;
(uint256 managementFeeShares,) = previewManagementFee(totalAssetsCached);
totalSupplyCached += managementFeeShares;
(uint256 performanceFeeShares,) =
previewPerformanceFee(totalAssetsCached, totalPositiveYield, totalNegativeYield, totalSupplyCached);
totalSupplyCached += performanceFeeShares;
return (totalAssetsCached, totalSupplyCached);
}
/**
* @dev Calculates total positive and negative yield across all strategies.
* @return totalPositiveYield The sum of all positive yields from strategies
* @return totalNegativeYield The sum of all losses from strategies
*/
function _previewYieldNoFees()
internal
view
virtual
returns (uint256 totalPositiveYield, uint256 totalNegativeYield)
{
address[] memory strategies = SVLib.fetch().strategies.values();
uint256 strategiesCounter = strategies.length;
for (uint256 i; i < strategiesCounter; ++i) {
(uint256 positiveYield, uint256 loss,) = _previewStrategyYield(strategies[i]);
if (positiveYield != 0 || loss != 0) {
totalPositiveYield += positiveYield;
totalNegativeYield += loss;
}
}
}
/**
* @dev Accrues yield and accounts for losses for a single strategy.
* @dev This function queries the current total allocated value from a strategy,
* compares it against the previously recorded allocated amount, and calculates
* the yield generated or loss incurred since the last yield accrual.
* @param strategy The address of the strategy contract to accrue yield from.
* @return yield The amount of positive yield generated by the strategy since last accrual.
* @return loss The amount of loss incurred by the strategy since last accrual.
*/
function _previewStrategyYield(address strategy) internal view returns (uint256, uint256, uint256) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
uint120 strategyAllocatedAmount = $.strategyData[strategy].allocated;
if ($.strategyData[strategy].status != IConcreteStandardVaultImpl.StrategyStatus.Active) {
return (0, 0, 0);
}
uint256 currentTotalAllocatedValue = IStrategyTemplate(strategy).totalAllocatedValue();
currentTotalAllocatedValue =
(currentTotalAllocatedValue >= type(uint120).max) ? type(uint120).max : currentTotalAllocatedValue;
uint256 yield;
uint256 loss;
if (currentTotalAllocatedValue == strategyAllocatedAmount) {
return (yield, loss, currentTotalAllocatedValue);
} else if (currentTotalAllocatedValue > strategyAllocatedAmount) {
yield = currentTotalAllocatedValue - strategyAllocatedAmount;
} else {
loss = strategyAllocatedAmount - currentTotalAllocatedValue;
}
return (yield, loss, currentTotalAllocatedValue);
}
/**
* @dev Preview management fee accrual.
* @param _lastTotalAssets The total assets deposited in the vault to calculate fee on
* @return feeShares The number of shares to mint as management fee
* @return feeAmount The asset value of the management fee
*/
function previewManagementFee(uint256 _lastTotalAssets)
internal
view
returns (uint256 feeShares, uint256 feeAmount)
{
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
if ($.managementFee == 0) return (0, 0);
uint32 currentTime = Time.timestamp();
uint32 lastAccrual = $.lastManagementFeeAccrual;
if (currentTime == lastAccrual) return (0, 0);
uint256 timeElapsed = currentTime - lastAccrual;
// management fee is calculated on total vault AUM(after yield accrual)
uint256 annualFeeAmount = (_lastTotalAssets * $.managementFee) / ConstantsLib.BASIS_POINTS_DENOMINATOR;
feeAmount = (annualFeeAmount * timeElapsed) / (365 days);
if (feeAmount == 0) return (0, 0);
// sanity check - clamp the fee amount to the last total assets
if (feeAmount > _lastTotalAssets) {
feeAmount = _lastTotalAssets;
}
// convert fee amount to shares using total assets net of the fee to prevent dilution. of the fee amount
feeShares =
feeAmount.calcConvertToShares(totalSupply(), _lastTotalAssets - feeAmount, Math.Rounding.Floor, false);
return (feeShares, feeAmount);
}
/**
* @dev Preview performance fee accrual.
* @param totalAssetsAmount The total assets in the vault to calculate fee on
* @param positiveYield The total positive yield generated by all strategies
* @param loss The total losses incurred by all strategies
* @param totalSupply The current total supply of vault shares
* @return shares The number of shares to mint as performance fee
* @return feeAmount The asset value of the performance fee
*/
function previewPerformanceFee(uint256 totalAssetsAmount, uint256 positiveYield, uint256 loss, uint256 totalSupply)
internal
view
returns (uint256, uint256)
{
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
if ($.performanceFee == 0 || (loss >= positiveYield)) return (0, 0);
uint256 netPositiveYield = positiveYield - loss;
uint256 feeAmount = Math.mulDiv(netPositiveYield, $.performanceFee, ConstantsLib.BASIS_POINTS_DENOMINATOR);
if (feeAmount == 0) return (0, 0);
uint256 feeShares =
feeAmount.calcConvertToShares(totalSupply, totalAssetsAmount - feeAmount, Math.Rounding.Floor, false);
return (feeShares, feeAmount);
}
/**
* @dev Internal function to calculate the maximum amount of assets that can be withdrawn by an owner.
* @dev The calculation considers:
* - Owner's current share balance converted to equivalent assets
* - Current vault liquidity (idle assets + withdrawable amounts from strategies)
* - Strategy withdrawal limitations and availability
* @param owner The address of the account for which to calculate maximum withdrawal.
* @return The maximum amount of assets that can actually be withdrawn by the owner,
* considering both ownership rights and liquidity constraints.
* @return totalAssets The total amount of assets in the vault after previewing the yield accrual
*/
function _maxWithdraw(address owner) internal view virtual returns (uint256, uint256, uint256) {
uint256 ownerShares = balanceOf(owner);
(uint256 totalAssetsPreview, uint256 totalSupplyPreview) = _previewAccrueYieldAndFees();
uint256 maxAssets =
ownerShares.calcConvertToAssets(totalSupplyPreview, totalAssetsPreview, Math.Rounding.Floor, false);
return (_simulateWithdraw(maxAssets), totalAssetsPreview, totalSupplyPreview);
}
/// @dev Simulate withdrawing an amount of assets from the vault.
/// @param requestedAssets Amount of assets to withdraw.
/// @return Amount of assets filled.
function _simulateWithdraw(uint256 requestedAssets) internal view virtual returns (uint256) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
uint256 totalWithdrawableAmount = IERC20(asset()).balanceOf(address(this));
if (totalWithdrawableAmount < requestedAssets) {
address[] memory deallocationOrder = $.deallocationOrder;
uint256 strategiesCounter = deallocationOrder.length;
for (uint256 i; i < strategiesCounter; ++i) {
if (
($.strategyData[deallocationOrder[i]].status != IConcreteStandardVaultImpl.StrategyStatus.Active)
|| !$.strategies.contains(deallocationOrder[i])
) continue;
uint256 desiredAssets;
unchecked {
desiredAssets = requestedAssets - totalWithdrawableAmount;
}
uint256 withdrawableAmountFromStrategy = IStrategyTemplate(deallocationOrder[i]).maxWithdraw();
uint256 withdrawAmount =
(withdrawableAmountFromStrategy >= desiredAssets) ? desiredAssets : withdrawableAmountFromStrategy;
totalWithdrawableAmount += withdrawAmount;
if (totalWithdrawableAmount >= requestedAssets) break;
}
} else {
totalWithdrawableAmount = requestedAssets;
}
return totalWithdrawableAmount;
}
/**
* @dev Internal function used only by the public convertToShares() function.
* @dev This function returns share amounts NOT inclusive of management or performance fees,
* as required by the ERC4626 specification. The convertToShares() function should return
* the theoretical share amount for a given asset amount without considering fee deductions.
* @param assets The amount of assets to convert to shares
* @param rounding The rounding direction for the conversion
* @return The equivalent amount of shares, NOT inclusive of fees
*/
function _convertToShares(uint256 assets, Math.Rounding rounding) internal view virtual override returns (uint256) {
(uint256 totalPositiveYield, uint256 totalNegativeYield) = _previewYieldNoFees();
return assets.calcConvertToShares(
totalSupply(), cachedTotalAssets() + totalPositiveYield - totalNegativeYield, rounding, false
);
}
/**
* @dev Internal function used only by the public convertToAssets() function.
* @dev This function returns asset amounts NOT inclusive of management or performance fees,
* as required by the ERC4626 specification. The convertToAssets() function should return
* the theoretical asset amount for a given share amount without considering fee deductions.
* @param shares The amount of shares to convert to assets
* @param rounding The rounding direction for the conversion
* @return The equivalent amount of assets, NOT inclusive of fees
*/
function _convertToAssets(uint256 shares, Math.Rounding rounding) internal view virtual override returns (uint256) {
(uint256 totalPositiveYield, uint256 totalNegativeYield) = _previewYieldNoFees();
return shares.calcConvertToAssets(
totalSupply(), cachedTotalAssets() + totalPositiveYield - totalNegativeYield, rounding, false
);
}
function _lockedAssets() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
import {IUpgradeableVault} from "./IUpgradeableVault.sol";
import {Hooks} from "./IHook.sol";
import {IERC4626} from "@openzeppelin-contracts/interfaces/IERC4626.sol";
import {IAccessControlEnumerable} from "@openzeppelin-contracts/access/extensions/IAccessControlEnumerable.sol";
/**
* @title IConcreteStandardVaultImpl
* @dev Interface for the standard vault implementation that manages multiple investment strategies.
* @dev This interface extends the base tokenized vault functionality with strategy management capabilities.
* @dev Strategies are external contracts that implement the IStrategyTemplate interface and handle
* fund allocation to different yield-generating protocols or investment opportunities.
*/
interface IConcreteStandardVaultImpl is IUpgradeableVault, IERC4626, IAccessControlEnumerable {
/**
* @dev Thrown when attempting to withdraw to the zero address.
*/
error InvalidReceiver();
/**
* @dev Thrown when attempting to add a strategy that uses a different asset than the vault.
*/
error InvalidStrategyAsset();
/**
* @dev Thrown when attempting to add a strategy that has already been added to the vault.
*/
error StrategyAlreadyAdded();
/**
* @dev Thrown when attempting to operate on a strategy that doesn't exist in the vault.
*/
error StrategyDoesNotExist();
/**
* @dev Thrown when attempting to interact with a strategy that is halted.
*/
error StrategyIsHalted();
/**
* @dev Thrown when attempting to halt a strategy that is already halted.
*/
error StrategyAlreadyHalted();
/**
* @dev Thrown when attempting to toggle the status of an inactive strategy.
*/
error CannotToggleInactiveStrategy();
/**
* @dev Thrown when attempting to set a management fee without setting a recipient first.
*/
error FeeRecipientNotSet();
/**
* @dev Thrown when attempting to set a management fee that exceeds the maximum allowed.
*/
error ManagementFeeExceedsMaximum();
/**
* @dev Thrown when attempting to set a performance fee that exceeds the maximum allowed.
*/
error PerformanceFeeExceedsMaximum();
/**
* @dev Thrown when attempting to set an invalid fee recipient address (address(0)).
*/
error InvalidFeeRecipient();
/**
* @dev Thrown when the allocate module is invalid.
*/
error InvalidAllocateModule();
/**
* @dev Thrown when the asset is invalid.
*/
error InvalidAsset();
/**
* @dev Thrown when the initial vault manager is invalid.
*/
error InvalidInitialVaultManager();
/**
* @dev Thrown when the name is invalid.
*/
error InvalidName();
/**
* @dev Thrown when the symbol is invalid.
*/
error InvalidSymbol();
/**
* @dev Thrown when the deposit limits are invalid.
*/
error InvalidDepositLimits();
/**
* @dev Thrown when the withdraw limits are invalid.
*/
error InvalidWithdrawLimits();
/**
* @dev Thrown when the asset amount is out of bounds.
*/
error AssetAmountOutOfBounds(address sender, uint256 assets, uint256 minDepositAmount, uint256 maxDepositAmount);
/**
* @dev Thrown when attempting to remove a strategy that has allocation or is in the deallocation order.
*/
error StrategyHasAllocation();
/**
* @dev Thrown when the vault has insufficient balance to process the epoch.
*/
error InsufficientBalance();
/**
* @dev Thrown when calculated shares are zero.
*/
error InsufficientShares();
/**
* @dev Thrown when calculated assets are zero.
*/
error InsufficientAssets();
/**
* @dev Emitted when a new strategy is successfully added to the vault.
* @param strategy The address of the strategy contract that was added.
*/
event StrategyAdded(address strategy);
/**
* @dev Emitted when a strategy is successfully removed from the vault.
* @param strategy The address of the strategy contract that was removed.
*/
event StrategyRemoved(address strategy);
/**
* @dev Emitted when a strategy is set to Halted status.
* @param strategy The address of the strategy contract that was halted.
*/
event StrategyHalted(address strategy);
/**
* @dev Emitted when a strategy's status is toggled between Active and Halted.
* @param strategy The address of the strategy contract whose status was toggled.
*/
event StrategyStatusToggled(address indexed strategy);
/**
* @dev Emitted when the yield accrual operation is completed across all strategies.
*
* @param totalPositiveYield The total amount of positive yield generated across all strategies.
* @param totalNegativeYield The total amount of losses incurred across all strategies.
*/
event YieldAccrued(uint256 totalPositiveYield, uint256 totalNegativeYield);
/**
* @dev Emitted when management fee is accrued.
* @param recipient The address that received the management fee shares.
* @param shares The number of shares minted as management fee.
* @param feeAmount The asset value of the management fee.
*/
event ManagementFeeAccrued(address indexed recipient, uint256 shares, uint256 feeAmount);
/**
* @dev Emitted when performance fee is accrued.
* @param recipient The address that received the performance fee shares.
* @param shares The number of shares minted as performance fee.
* @param feeAmount The asset value of the performance fee.
*/
event PerformanceFeeAccrued(address indexed recipient, uint256 shares, uint256 feeAmount);
/**
* @dev Emitted when management fee is updated.
* @param managementFee The new management fee rate in basis points.
*/
event ManagementFeeUpdated(uint16 managementFee);
/**
* @dev Emitted when management fee recipient is updated.
* @param managementFeeRecipient The new management fee recipient address.
*/
event ManagementFeeRecipientUpdated(address managementFeeRecipient);
/**
* @dev Emitted when performance fee is updated.
* @param performanceFee The new performance fee rate in basis points.
*/
event PerformanceFeeUpdated(uint16 performanceFee);
/**
* @dev Emitted when performance fee recipient is updated.
* @param performanceFeeRecipient The new performance fee recipient address.
*/
event PerformanceFeeRecipientUpdated(address performanceFeeRecipient);
/**
* @dev Emitted when deposit limits are updated.
* @param maxDepositAmount The new maximum deposit amount.
* @param minDepositAmount The new minimum deposit amount.
*/
event DepositLimitsUpdated(uint256 maxDepositAmount, uint256 minDepositAmount);
/**
* @dev Emitted when withdraw limits are updated.
* @param maxWithdrawAmount The new maximum withdraw amount.
* @param minWithdrawAmount The new minimum withdraw amount.
*/
event WithdrawLimitsUpdated(uint256 maxWithdrawAmount, uint256 minWithdrawAmount);
/**
* @dev Emitted when the deallocation order is updated.
*/
event DeallocationOrderUpdated();
/**
* @dev Emitted when an individual strategy's yield is accrued.
*
* @param strategy The address of the strategy contract whose yield was accrued.
* @param currentTotalAllocatedValue The current total allocated value reported by the strategy.
* @param yield The amount of positive yield generated by this strategy since last accrual.
* @param loss The amount of loss incurred by this strategy since last accrual.
*/
event StrategyYieldAccrued(
address indexed strategy, uint256 currentTotalAllocatedValue, uint256 yield, uint256 loss
);
/**
* @dev Enumeration of possible strategy statuses within the vault.
* @dev Inactive: Strategy is inactive and cannot receive new allocations.
* @dev Active: Strategy is active and can receive allocations and process withdrawals normally.
* @dev Halted: Strategy is halted, typically due to detected issues or failures.
* In this state, the strategy can be removed even if it has allocated funds
*/
enum StrategyStatus {
Inactive,
Active,
Halted
}
/**
* @dev Structure containing metadata and state information for each strategy.
* @dev status: Current operational status of the strategy.
* @dev allocated: Total amount of vault assets currently allocated to this strategy, denominated in the vault's underlying asset token.
*/
struct StrategyData {
StrategyStatus status;
uint120 allocated;
}
/**
* @dev Adds a new strategy to the vault.
* @dev The strategy must implement the IStrategyTemplate interface and use the same underlying asset as the vault.
* @dev Only callable by accounts with the STRATEGY_MANAGER role.
*
* @param strategy The address of the strategy contract to add.
*
* Requirements:
* - The strategy's asset() must match the vault's asset()
* - The strategy must not already be added to the vault
* - Caller must have STRATEGY_MANAGER role
*
* Emits:
* - StrategyAdded event
*
* Reverts:
* - InvalidStrategyAsset if strategy uses different asset
* - StrategyAlreadyAdded if strategy is already in the vault
*/
function addStrategy(address strategy) external;
/**
* @dev Removes a strategy from the vault.
* @dev The strategy can only be removed if it has no allocated funds, unless it's in Halted status.
* @dev Only callable by accounts with the STRATEGY_MANAGER role.
*
* @param strategy The address of the strategy contract to remove.
*
* Requirements:
* - Strategy must exist in the vault
* - Strategy must have zero allocated funds OR be in Halted status
* - Caller must have STRATEGY_MANAGER role
*
* Emits:
* - StrategyRemoved event
*
* Reverts:
* - StrategyDoesNotExist if strategy is not in the vault
* - Custom revert if strategy has allocated funds and is not in Halted status
*/
function removeStrategy(address strategy) external;
/**
* @dev Toggles a strategy's status between Active and Halted.
* @dev This is a safety mechanism to isolate problematic strategies or reactivate previously halted ones.
* @dev Active strategies can receive allocations and participate in yield accrual and withdrawal operations.
* @dev Halted strategies are skipped during yield accrual and withdrawal operations.
* @dev Only callable by accounts with the STRATEGY_MANAGER role.
*
* @param strategy The address of the strategy contract to toggle.
*
* Requirements:
* - Strategy must exist in the vault
* - Strategy must be either Active or Halted (cannot toggle Inactive strategies)
* - Caller must have STRATEGY_MANAGER role
*
* Emits:
* - StrategyStatusToggled event
*
* Reverts:
* - StrategyDoesNotExist if strategy is not in the vault
*/
function toggleStrategyStatus(address strategy) external;
/**
* @notice Executes fund allocation and deallocation operations across multiple strategies.
* @dev This function performs a yield accrual operation first to update vault accounting,
* then executes the allocation operations specified in the data parameter.
* @dev All operations are performed via delegatecall to the respective modules to maintain
* proper storage context and access control.
* @param data ABI-encoded array of AllocateParams structures containing the allocation
* operations to execute. Each param specifies whether to allocate or deallocate
* funds, which strategy to use, and any additional data required by the strategy.
* @dev Only callable by accounts with the ALLOCATOR role.
* @dev The function automatically triggers yield accrual before allocation to ensure
* accurate vault accounting prior to fund movements.
*/
function allocate(bytes calldata data) external;
/**
* @notice Accrues yield and accounts for losses across all active strategies in the vault.
* @dev This function updates the vault's internal accounting by querying the current
* value of all strategy allocations and calculating net yield or losses.
* @dev This function can be called by anyone to update the vault's accounting.
* @dev The yield accrual operation does not trigger actual fund movements, it only
* updates the vault's internal state to reflect current strategy values.
*/
function accrueYield() external;
/**
* @notice Updates the management fee for the vault.
* @param managementFee The new management fee in basis points.
* @dev Only callable by accounts with VAULT_MANAGER role.
* @dev Fee must be <= MAX_MANAGEMENT_FEE.
* @dev If fee > 0, recipient must be set.
*/
function updateManagementFee(uint16 managementFee) external;
/**
* @notice Updates the management fee recipient for the vault.
* @param recipient The new management fee recipient address.
* @dev Only callable by accounts with VAULT_MANAGER role.
* @dev Recipient cannot be address(0).
*/
function updateManagementFeeRecipient(address recipient) external;
/**
* @notice Updates the performance fee for the vault.
* @param performanceFee The new performance fee in basis points.
* @dev Only callable by accounts with VAULT_MANAGER role.
* @dev Fee must be <= MAX_PERFORMANCE_FEE.
* @dev If fee > 0, recipient must be set.
*/
function updatePerformanceFee(uint16 performanceFee) external;
/**
* @notice Updates the performance fee recipient for the vault.
* @param recipient The new performance fee recipient address.
* @dev Only callable by accounts with VAULT_MANAGER.
* @dev Recipient cannot be address(0).
*/
function updatePerformanceFeeRecipient(address recipient) external;
/**
* @notice Returns the current fee configuration for the vault.
* @return currentManagementFee The current management fee in basis points.
* @return currentManagementFeeRecipient The current management fee recipient address.
* @return currentLastManagementFeeAccrual The timestamp of the last management fee accrual.
* @return currentPerformanceFee The current performance fee in basis points.
* @return currentPerformanceFeeRecipient The current performance fee recipient address.
*/
function getFeeConfig()
external
view
returns (
uint16 currentManagementFee,
address currentManagementFeeRecipient,
uint32 currentLastManagementFeeAccrual,
uint16 currentPerformanceFee,
address currentPerformanceFeeRecipient
);
/**
* @notice Sets the hooks for the vault.
* @dev This function sets the hooks for the vault.
* @dev Only callable by accounts with the HOOK_MANAGER role.
* @param hooks The hooks to set.
*/
function setHooks(Hooks memory hooks) external;
/**
* @notice Previews the total assets that would be available after accruing yield from all strategies.
* @dev This function simulates the yield accrual operation without actually executing it,
* providing a view of what the vault's total assets would be after accounting
* for yield and losses across all active strategies.
* @dev The calculation includes the current lastTotalAssets plus any positive
* yield minus any losses that would be realized during yield accrual.
* @dev This is a view function that does not modify state or trigger any actual
* fund movements or strategy interactions.
*
* @return The total amount of assets that would be available in the vault after yield accrual,
* denominated in the vault's underlying asset token.
* @return The total amount of shares that would be available in the vault after yield accrual,
* calculated as current totalSupply + management fee shares.
*/
function previewAccrueYield() external view returns (uint256, uint256);
/**
* @dev Retrieves the current data and status information for a specific strategy.
* @dev This function provides read-only access to strategy metadata including allocation amounts and status.
*
* @param strategy The address of the strategy contract to query.
* @return The StrategyData struct containing the strategy's current status and allocated amount.
*
* Note:
* - Returns default values (Inactive status, 0 allocated) for non-existent strategies
* - Does not revert for invalid strategy addresses
*/
function getStrategyData(address strategy) external view returns (StrategyData memory);
/**
* @dev Returns an array of all strategy addresses currently managed by the vault.
* @dev This function provides a way to enumerate all active strategies for external integrations and monitoring.
*
* @return An array containing the addresses of all strategies added to the vault.
*
* Note:
* - The returned array includes strategies in all statuses (Active, Inactive, Emergency)
* - The order of strategies in the array is not guaranteed
* - Returns an empty array if no strategies have been added
*/
function getStrategies() external view returns (address[] memory);
/**
* @dev Returns the address of the allocate module.
*
* @return The address of the allocate module.
*/
function allocateModule() external view returns (address);
/**
* @dev Returns the management fee configuration.
* @return managementFeeRecipient The address that receives management fees.
* @return managementFeeRate The management fee rate in basis points (where 10,000 = 100%).
* @return lastAccrualTime The timestamp of the last management fee accrual.
*/
function managementFee()
external
view
returns (address managementFeeRecipient, uint16 managementFeeRate, uint32 lastAccrualTime);
/**
* @dev Sets the deposit limits.
* @param maxDepositAmount The maximum deposit amount.
* @param minDepositAmount The minimum deposit amount.
* @dev Only callable by accounts with VAULT_MANAGER role.
*/
function setDepositLimits(uint256 maxDepositAmount, uint256 minDepositAmount) external;
/**
* @dev Sets the withdraw limits.
* @param maxWithdrawAmount The maximum withdraw amount.
* @param minWithdrawAmount The minimum withdraw amount.
* @dev Only callable by accounts with VAULT_MANAGER role.
*/
function setWithdrawLimits(uint256 maxWithdrawAmount, uint256 minWithdrawAmount) external;
/**
* @dev Returns the deposit limits.
* @return maxDepositAmount The maximum deposit amount.
* @return minDepositAmount The minimum deposit amount.
*/
function getDepositLimits() external view returns (uint256 maxDepositAmount, uint256 minDepositAmount);
/**
* @dev Returns the withdraw limits.
* @return maxWithdrawAmount The maximum withdraw amount.
* @return minWithdrawAmount The minimum withdraw amount.
*/
function getWithdrawLimits() external view returns (uint256 maxWithdrawAmount, uint256 minWithdrawAmount);
/**
* @dev Returns the performance fee configuration.
* @return performanceFeeRecipient The address that receives performance fees.
* @return performanceFeeRate The performance fee rate in basis points (where 10,000 = 100%).
*/
function performanceFee() external view returns (address performanceFeeRecipient, uint16 performanceFeeRate);
/**
* @dev Returns the total amount of assets allocated to all strategies.
*
* @return The total amount of assets allocated to all strategies.
*/
function getTotalAllocated() external view returns (uint256);
/**
* @dev Returns the cached value of total assets after the last call.
*
* @return The cached value of total assets after the last call.
*/
function cachedTotalAssets() external view returns (uint256);
/**
* @dev Returns the deallocation order from strategies.
*
* @return order An array of strategy addresses in the order they should be deallocated.
*/
function getDeallocationOrder() external view returns (address[] memory order);
/**
* @dev Sets the deallocation order for strategies.
* @dev Only callable by accounts with the ALLOCATOR role.
* @param order An array of strategy addresses in the order they should be deallocated.
*/
function setDeallocationOrder(address[] calldata order) external;
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
import {IConcreteStandardVaultImpl} from "./IConcreteStandardVaultImpl.sol";
interface IConcretePredepositVaultImpl is IConcreteStandardVaultImpl {
/**
* @notice Emitted when a user claims their shares on the target chain
* @param user The user who initiated the claim
* @param shares The amount of shares locked
*/
event SharesClaimedOnTargetChain(address indexed user, uint256 shares);
/**
* @notice Emitted when self claims are enabled or disabled
* @param enabled Whether self claims are enabled
*/
event SelfClaimsEnabledUpdated(bool enabled);
/**
* @notice Error thrown when user has no shares to claim
*/
error NoSharesToClaim();
/**
* @notice Error thrown when deposits are not locked
*/
error DepositsNotLocked();
/**
* @notice Error thrown when addresses array length is invalid (must be > 0 and <= 150)
* @param length The actual length of the addresses array
*/
error BadAddressArrayLength(uint256 length);
/**
* @notice Error thrown when user address is invalid
*/
error InvalidUserAddress();
/**
* @notice Error thrown when no shares available in batch
*/
error NoSharesInBatch();
/**
* @notice Error thrown when self claims are disabled
*/
error SelfClaimsDisabled();
/**
* @notice Error thrown when OApp is not set
*/
error OAppNotSet();
/**
* @notice Error thrown when withdrawals are not locked
*/
error WithdrawalsNotLocked();
/**
* @notice Claim all shares owned by msg.sender on L1 on target chain
* @dev Sends a single LZ message to remote chain with an account and the amount of eligable shares.
* @dev burns shares on L1
* @dev Accrues yield to sync strategy state, but strategies should report no yield after claims open
* @dev protected by selfClaimsEnabled
* @param options LayerZero messaging options
*/
function claimOnTargetChain(bytes calldata options) external payable;
/**
* @notice Batch claim shares on target chain for multiple addresses
* @dev Only callable by VAULT_MANAGER. Processes multiple addresses and sends a single LZ message
* @dev Skips addresses with zero shares (including users who already claimed)
* @dev Accrues yield to sync strategy state, but strategies should have no yield after claims open
* @param addressesData Encoded array of addresses to claim for
* @param options LayerZero messaging options
*/
function batchClaimOnTargetChain(bytes calldata addressesData, bytes calldata options) external payable;
/**
* @notice Returns the locked shares for a user
* @param user The user address
* @return The amount of locked shares
*/
function getLockedShares(address user) external view returns (uint256);
/**
* @notice Sets whether self claims are enabled
* @param enabled Whether to enable or disable self claims
* @dev Only callable by addresses with VAULT_MANAGER role
*/
function setSelfClaimsEnabled(bool enabled) external;
/**
* @notice Returns whether self claims are enabled
* @return True if self claims are enabled, false otherwise
*/
function getSelfClaimsEnabled() external view returns (bool);
/**
* @notice Sets the OApp contract address for cross-chain messaging
* @param oappAddress The address of the OApp contract
* @dev Only callable by addresses with VAULT_MANAGER role
*/
function setOApp(address oappAddress) external;
/**
* @notice Returns the OApp contract address
* @return The address of the OApp contract
*/
function getOApp() external view returns (address);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
library ConcretePredepositVaultImplStorageLib {
/// @dev keccak256(abi.encode(uint256(keccak256("concrete.storage.ConcretePredepositVaultImplStorage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ConcretePredepositVaultImplStorageLocation =
0x79a41852d663cc56b526f07fa21bffd982d544af4842ed752b028e7ab747dc00;
/// @custom:storage-location erc7201:concrete.storage.ConcretePredepositVaultImplStorage
struct ConcretePredepositVaultImplStorage {
/// @dev mapping of user address to their locked shares
mapping(address => uint256) lockedShares;
/// @dev whether self claims are enabled (true) or disabled (false)
bool selfClaimsEnabled;
/// @dev address of the OApp contract used for cross-chain messaging
address oapp;
}
/**
* @notice Fetches the storage struct for ConcretePredepositVaultImpl
*/
function fetch() internal pure returns (ConcretePredepositVaultImplStorage storage $) {
assembly {
$.slot := ConcretePredepositVaultImplStorageLocation
}
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
library ConcreteV2RolesLib {
/// Roles and their ADMIN roles.
bytes32 public constant VAULT_MANAGER = keccak256("VAULT_MANAGER");
bytes32 public constant VAULT_MANAGER_ADMIN = keccak256("VAULT_MANAGER_ADMIN");
bytes32 public constant HOOK_MANAGER = keccak256("HOOK_MANAGER");
bytes32 public constant HOOK_MANAGER_ADMIN = keccak256("HOOK_MANAGER_ADMIN");
bytes32 public constant STRATEGY_MANAGER = keccak256("STRATEGY_MANAGER");
bytes32 public constant STRATEGY_MANAGER_ADMIN = keccak256("STRATEGY_MANAGER_ADMIN");
bytes32 public constant ALLOCATOR = keccak256("ALLOCATOR");
bytes32 public constant ALLOCATOR_ADMIN = keccak256("ALLOCATOR_ADMIN");
bytes32 public constant WITHDRAWAL_MANAGER = keccak256("WITHDRAWAL_MANAGER");
bytes32 public constant WITHDRAWAL_MANAGER_ADMIN = keccak256("WITHDRAWAL_MANAGER_ADMIN");
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
import {
MessagingFee,
MessagingReceipt
} from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
interface IPredepostVaultOApp {
/**
* @notice Returns the vault address
* @return The address of the authorized vault
*/
function vault() external view returns (address);
/**
* @notice Returns the destination endpoint ID
* @return The destination endpoint ID
*/
function dstEid() external view returns (uint32);
/**
* @notice Set the destination endpoint ID
* @param _dstEid The destination endpoint ID
* @dev Only callable by owner
*/
function setDstEid(uint32 _dstEid) external;
/**
* @notice Send a LayerZero message (only callable by vault)
* @dev Quotes the fee internally and validates msg.value is sufficient
* @dev Uses the stored dstEid
* @param payload Message payload
* @param options LayerZero options
* @param refundAddress Address to refund excess fee
*/
function send(bytes calldata payload, bytes calldata options, address refundAddress)
external
payable
returns (MessagingReceipt memory receipt);
/**
* @notice Quote the fee for sending a message (view function - no vault restriction)
* @dev Uses the stored dstEid
* @param payload Message payload
* @param options LayerZero options
* @param payInLzToken Whether to pay in LZ token
* @return fee The estimated messaging fee
*/
function quote(bytes calldata payload, bytes calldata options, bool payInLzToken)
external
view
returns (MessagingFee memory fee);
/**
* @notice Quote the fee for claiming shares on target chain
* @param user The user address to claim for
* @param options LayerZero messaging options
* @param payInLzToken Whether to pay in LZ token
* @return fee The estimated messaging fee
*/
function quoteClaimOnTargetChain(address user, bytes calldata options, bool payInLzToken)
external
view
returns (MessagingFee memory fee);
/**
* @notice Quote the fee for batch claiming shares on target chain
* @param addressesData Encoded array of addresses to claim for
* @param options LayerZero messaging options
* @param payInLzToken Whether to pay in LZ token
* @return fee The estimated messaging fee
*/
function quoteBatchClaimOnTargetChain(bytes calldata addressesData, bytes calldata options, bool payInLzToken)
external
view
returns (MessagingFee memory fee);
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
import {Math} from "@openzeppelin-contracts/utils/math/Math.sol";
import {IConcreteStandardVaultImpl} from "../interface/IConcreteStandardVaultImpl.sol";
library ConcreteV2ConversionLib {
using Math for uint256;
function calcConvertToShares(
uint256 assets,
uint256 _totalSupply,
uint256 _totalAssets,
Math.Rounding rounding,
bool safeMode
) internal pure returns (uint256 shares) {
// setting uint256 decimalsOffset = 0;
shares = assets.mulDiv(
_totalSupply + 1, // + 10 ** decimalsOffset = 1
_totalAssets + 1,
rounding
);
if (safeMode && shares == 0) revert IConcreteStandardVaultImpl.InsufficientShares();
}
function calcConvertToAssets(
uint256 shares,
uint256 _totalSupply,
uint256 _totalAssets,
Math.Rounding rounding,
bool safeMode
) internal pure returns (uint256 assets) {
// setting uint256 decimalsOffset = 0;
assets = shares.mulDiv(
_totalAssets + 1, // + 10 ** decimalsOffset = 1
_totalSupply + 1,
rounding
);
if (safeMode && assets == 0) revert IConcreteStandardVaultImpl.InsufficientAssets();
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/Math.sol)
pragma solidity ^0.8.20;
import {Panic} from "../Panic.sol";
import {SafeCast} from "./SafeCast.sol";
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
enum Rounding {
Floor, // Toward negative infinity
Ceil, // Toward positive infinity
Trunc, // Toward zero
Expand // Away from zero
}
/**
* @dev Returns the addition of two unsigned integers, with an success flag (no overflow).
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow).
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow).
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a success flag (no division by zero).
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant.
*
* IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone.
* However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute
* one branch when needed, making this function more expensive.
*/
function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) {
unchecked {
// branchless ternary works because:
// b ^ (a ^ b) == a
// b ^ 0 == b
return b ^ ((a ^ b) * SafeCast.toUint(condition));
}
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return ternary(a > b, a, b);
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return ternary(a < b, a, b);
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds towards infinity instead
* of rounding towards zero.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
if (b == 0) {
// Guarantee the same behavior as in a regular Solidity division.
Panic.panic(Panic.DIVISION_BY_ZERO);
}
// The following calculation ensures accurate ceiling division without overflow.
// Since a is non-zero, (a - 1) / b will not overflow.
// The largest possible result occurs when (a - 1) / b is type(uint256).max,
// but the largest value we can obtain is type(uint256).max - 1, which happens
// when a = type(uint256).max and b = 1.
unchecked {
return SafeCast.toUint(a > 0) * ((a - 1) / b + 1);
}
}
/**
* @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
* denominator == 0.
*
* Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
* Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use
// the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2²⁵⁶ + prod0.
uint256 prod0 = x * y; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0.
if (denominator <= prod1) {
Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW));
}
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator.
// Always >= 1. See https://cs.stackexchange.com/q/138556/92363.
uint256 twos = denominator & (0 - denominator);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such
// that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv ≡ 1 mod 2⁴.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
// works in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2⁸
inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶
inverse *= 2 - denominator * inverse; // inverse mod 2³²
inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴
inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸
inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is
// less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @dev Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0);
}
/**
* @dev Calculate the modular multiplicative inverse of a number in Z/nZ.
*
* If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0.
* If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible.
*
* If the input value is not inversible, 0 is returned.
*
* NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the
* inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}.
*/
function invMod(uint256 a, uint256 n) internal pure returns (uint256) {
unchecked {
if (n == 0) return 0;
// The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version)
// Used to compute integers x and y such that: ax + ny = gcd(a, n).
// When the gcd is 1, then the inverse of a modulo n exists and it's x.
// ax + ny = 1
// ax = 1 + (-y)n
// ax ≡ 1 (mod n) # x is the inverse of a modulo n
// If the remainder is 0 the gcd is n right away.
uint256 remainder = a % n;
uint256 gcd = n;
// Therefore the initial coefficients are:
// ax + ny = gcd(a, n) = n
// 0a + 1n = n
int256 x = 0;
int256 y = 1;
while (remainder != 0) {
uint256 quotient = gcd / remainder;
(gcd, remainder) = (
// The old remainder is the next gcd to try.
remainder,
// Compute the next remainder.
// Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd
// where gcd is at most n (capped to type(uint256).max)
gcd - remainder * quotient
);
(x, y) = (
// Increment the coefficient of a.
y,
// Decrement the coefficient of n.
// Can overflow, but the result is casted to uint256 so that the
// next value of y is "wrapped around" to a value between 0 and n - 1.
x - y * int256(quotient)
);
}
if (gcd != 1) return 0; // No inverse exists.
return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative.
}
}
/**
* @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`.
*
* From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is
* prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that
* `a**(p-2)` is the modular multiplicative inverse of a in Fp.
*
* NOTE: this function does NOT check that `p` is a prime greater than `2`.
*/
function invModPrime(uint256 a, uint256 p) internal view returns (uint256) {
unchecked {
return Math.modExp(a, p - 2, p);
}
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m)
*
* Requirements:
* - modulus can't be zero
* - underlying staticcall to precompile must succeed
*
* IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make
* sure the chain you're using it on supports the precompiled contract for modular exponentiation
* at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise,
* the underlying function will succeed given the lack of a revert, but the result may be incorrectly
* interpreted as 0.
*/
function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) {
(bool success, uint256 result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m).
* It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying
* to operate modulo 0 or if the underlying precompile reverted.
*
* IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain
* you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in
* https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack
* of a revert, but the result may be incorrectly interpreted as 0.
*/
function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) {
if (m == 0) return (false, 0);
assembly ("memory-safe") {
let ptr := mload(0x40)
// | Offset | Content | Content (Hex) |
// |-----------|------------|--------------------------------------------------------------------|
// | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 |
// | 0x60:0x7f | value of b | 0x<.............................................................b> |
// | 0x80:0x9f | value of e | 0x<.............................................................e> |
// | 0xa0:0xbf | value of m | 0x<.............................................................m> |
mstore(ptr, 0x20)
mstore(add(ptr, 0x20), 0x20)
mstore(add(ptr, 0x40), 0x20)
mstore(add(ptr, 0x60), b)
mstore(add(ptr, 0x80), e)
mstore(add(ptr, 0xa0), m)
// Given the result < m, it's guaranteed to fit in 32 bytes,
// so we can use the memory scratch space located at offset 0.
success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20)
result := mload(0x00)
}
}
/**
* @dev Variant of {modExp} that supports inputs of arbitrary length.
*/
function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) {
(bool success, bytes memory result) = tryModExp(b, e, m);
if (!success) {
Panic.panic(Panic.DIVISION_BY_ZERO);
}
return result;
}
/**
* @dev Variant of {tryModExp} that supports inputs of arbitrary length.
*/
function tryModExp(bytes memory b, bytes memory e, bytes memory m)
internal
view
returns (bool success, bytes memory result)
{
if (_zeroBytes(m)) return (false, new bytes(0));
uint256 mLen = m.length;
// Encode call args in result and move the free memory pointer
result = abi.encodePacked(b.length, e.length, mLen, b, e, m);
assembly ("memory-safe") {
let dataPtr := add(result, 0x20)
// Write result on top of args to avoid allocating extra memory.
success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen)
// Overwrite the length.
// result.length > returndatasize() is guaranteed because returndatasize() == m.length
mstore(result, mLen)
// Set the memory pointer after the returned data.
mstore(0x40, add(dataPtr, mLen))
}
}
/**
* @dev Returns whether the provided byte array is zero.
*/
function _zeroBytes(bytes memory byteArray) private pure returns (bool) {
for (uint256 i = 0; i < byteArray.length; ++i) {
if (byteArray[i] != 0) {
return false;
}
}
return true;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
* towards zero.
*
* This method is based on Newton's method for computing square roots; the algorithm is restricted to only
* using integer operations.
*/
function sqrt(uint256 a) internal pure returns (uint256) {
unchecked {
// Take care of easy edge cases when a == 0 or a == 1
if (a <= 1) {
return a;
}
// In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a
// sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between
// the current value as `ε_n = | x_n - sqrt(a) |`.
//
// For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root
// of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is
// bigger than any uint256.
//
// By noticing that
// `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)`
// we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar
// to the msb function.
uint256 aa = a;
uint256 xn = 1;
if (aa >= (1 << 128)) {
aa >>= 128;
xn <<= 64;
}
if (aa >= (1 << 64)) {
aa >>= 64;
xn <<= 32;
}
if (aa >= (1 << 32)) {
aa >>= 32;
xn <<= 16;
}
if (aa >= (1 << 16)) {
aa >>= 16;
xn <<= 8;
}
if (aa >= (1 << 8)) {
aa >>= 8;
xn <<= 4;
}
if (aa >= (1 << 4)) {
aa >>= 4;
xn <<= 2;
}
if (aa >= (1 << 2)) {
xn <<= 1;
}
// We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1).
//
// We can refine our estimation by noticing that the middle of that interval minimizes the error.
// If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2).
// This is going to be our x_0 (and ε_0)
xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2)
// From here, Newton's method give us:
// x_{n+1} = (x_n + a / x_n) / 2
//
// One should note that:
// x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a
// = ((x_n² + a) / (2 * x_n))² - a
// = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a
// = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²)
// = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²)
// = (x_n² - a)² / (2 * x_n)²
// = ((x_n² - a) / (2 * x_n))²
// ≥ 0
// Which proves that for all n ≥ 1, sqrt(a) ≤ x_n
//
// This gives us the proof of quadratic convergence of the sequence:
// ε_{n+1} = | x_{n+1} - sqrt(a) |
// = | (x_n + a / x_n) / 2 - sqrt(a) |
// = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) |
// = | (x_n - sqrt(a))² / (2 * x_n) |
// = | ε_n² / (2 * x_n) |
// = ε_n² / | (2 * x_n) |
//
// For the first iteration, we have a special case where x_0 is known:
// ε_1 = ε_0² / | (2 * x_0) |
// ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2)))
// ≤ 2**(2*e-4) / (3 * 2**(e-1))
// ≤ 2**(e-3) / 3
// ≤ 2**(e-3-log2(3))
// ≤ 2**(e-4.5)
//
// For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n:
// ε_{n+1} = ε_n² / | (2 * x_n) |
// ≤ (2**(e-k))² / (2 * 2**(e-1))
// ≤ 2**(2*e-2*k) / 2**e
// ≤ 2**(e-2*k)
xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above
xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5
xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9
xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18
xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36
xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72
// Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision
// ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either
// sqrt(a) or sqrt(a) + 1.
return xn - SafeCast.toUint(xn > a / xn);
}
}
/**
* @dev Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a);
}
}
/**
* @dev Return the log in base 2 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 exp;
unchecked {
exp = 128 * SafeCast.toUint(value > (1 << 128) - 1);
value >>= exp;
result += exp;
exp = 64 * SafeCast.toUint(value > (1 << 64) - 1);
value >>= exp;
result += exp;
exp = 32 * SafeCast.toUint(value > (1 << 32) - 1);
value >>= exp;
result += exp;
exp = 16 * SafeCast.toUint(value > (1 << 16) - 1);
value >>= exp;
result += exp;
exp = 8 * SafeCast.toUint(value > (1 << 8) - 1);
value >>= exp;
result += exp;
exp = 4 * SafeCast.toUint(value > (1 << 4) - 1);
value >>= exp;
result += exp;
exp = 2 * SafeCast.toUint(value > (1 << 2) - 1);
value >>= exp;
result += exp;
result += SafeCast.toUint(value > 1);
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value);
}
}
/**
* @dev Return the log in base 10 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value);
}
}
/**
* @dev Return the log in base 256 of a positive value rounded towards zero.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
uint256 isGt;
unchecked {
isGt = SafeCast.toUint(value > (1 << 128) - 1);
value >>= isGt * 128;
result += isGt * 16;
isGt = SafeCast.toUint(value > (1 << 64) - 1);
value >>= isGt * 64;
result += isGt * 8;
isGt = SafeCast.toUint(value > (1 << 32) - 1);
value >>= isGt * 32;
result += isGt * 4;
isGt = SafeCast.toUint(value > (1 << 16) - 1);
value >>= isGt * 16;
result += isGt * 2;
result += SafeCast.toUint(value > (1 << 8) - 1);
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value);
}
}
/**
* @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
*/
function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
return uint8(rounding) % 2 == 1;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/types/Time.sol)
pragma solidity ^0.8.24;
library ConcreteCachedVaultStateStorageLib {
/// @custom:storage-location erc7201:openzeppelin.storage.ConcreteTokenizedVaultStorage
struct ConcreteCachedVaultStateStorage {
/// @dev Store last total assets of the vault at specific timestamp
uint256 cachedTotalAssets;
}
/// @dev keccak256(abi.encode(uint256(keccak256("concrete.storage.ConcreteCachedVaultStateStorage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ConcreteCachedVaultStateStorageLocation =
0x31b60059595cae2ebab32b53f301cf68fb9c4eef322a90dbc8487ddf3a197900;
function fetch() internal pure returns (ConcreteCachedVaultStateStorage storage $) {
assembly {
$.slot := ConcreteCachedVaultStateStorageLocation
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (access/extensions/AccessControlEnumerable.sol)
pragma solidity ^0.8.20;
import {IAccessControlEnumerable} from "@openzeppelin/contracts/access/extensions/IAccessControlEnumerable.sol";
import {AccessControlUpgradeable} from "../AccessControlUpgradeable.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev Extension of {AccessControl} that allows enumerating the members of each role.
*/
abstract contract AccessControlEnumerableUpgradeable is
Initializable,
IAccessControlEnumerable,
AccessControlUpgradeable
{
using EnumerableSet for EnumerableSet.AddressSet;
/// @custom:storage-location erc7201:openzeppelin.storage.AccessControlEnumerable
struct AccessControlEnumerableStorage {
mapping(bytes32 role => EnumerableSet.AddressSet) _roleMembers;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControlEnumerable")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant AccessControlEnumerableStorageLocation =
0xc1f6fe24621ce81ec5827caf0253cadb74709b061630e6b55e82371705932000;
function _getAccessControlEnumerableStorage() private pure returns (AccessControlEnumerableStorage storage $) {
assembly {
$.slot := AccessControlEnumerableStorageLocation
}
}
function __AccessControlEnumerable_init() internal onlyInitializing {}
function __AccessControlEnumerable_init_unchained() internal onlyInitializing {}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns one of the accounts that have `role`. `index` must be a
* value between 0 and {getRoleMemberCount}, non-inclusive.
*
* Role bearers are not sorted in any particular way, and their ordering may
* change at any point.
*
* WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
* you perform all queries on the same block. See the following
* https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
* for more information.
*/
function getRoleMember(bytes32 role, uint256 index) public view virtual returns (address) {
AccessControlEnumerableStorage storage $ = _getAccessControlEnumerableStorage();
return $._roleMembers[role].at(index);
}
/**
* @dev Returns the number of accounts that have `role`. Can be used
* together with {getRoleMember} to enumerate all bearers of a role.
*/
function getRoleMemberCount(bytes32 role) public view virtual returns (uint256) {
AccessControlEnumerableStorage storage $ = _getAccessControlEnumerableStorage();
return $._roleMembers[role].length();
}
/**
* @dev Return all accounts that have `role`
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function getRoleMembers(bytes32 role) public view virtual returns (address[] memory) {
AccessControlEnumerableStorage storage $ = _getAccessControlEnumerableStorage();
return $._roleMembers[role].values();
}
/**
* @dev Overload {AccessControl-_grantRole} to track enumerable memberships
*/
function _grantRole(bytes32 role, address account) internal virtual override returns (bool) {
AccessControlEnumerableStorage storage $ = _getAccessControlEnumerableStorage();
bool granted = super._grantRole(role, account);
if (granted) {
$._roleMembers[role].add(account);
}
return granted;
}
/**
* @dev Overload {AccessControl-_revokeRole} to track enumerable memberships
*/
function _revokeRole(bytes32 role, address account) internal virtual override returns (bool) {
AccessControlEnumerableStorage storage $ = _getAccessControlEnumerableStorage();
bool revoked = super._revokeRole(role, account);
if (revoked) {
$._roleMembers[role].remove(account);
}
return revoked;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/ERC4626.sol)
pragma solidity ^0.8.20;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ERC20Upgradeable} from "../ERC20Upgradeable.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {IERC4626} from "@openzeppelin/contracts/interfaces/IERC4626.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {Initializable} from "../../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the ERC-4626 "Tokenized Vault Standard" as defined in
* https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
*
* This extension allows the minting and burning of "shares" (represented using the ERC-20 inheritance) in exchange for
* underlying "assets" through standardized {deposit}, {mint}, {redeem} and {burn} workflows. This contract extends
* the ERC-20 standard. Any additional extensions included along it would affect the "shares" token represented by this
* contract and not the "assets" token which is an independent contract.
*
* [CAUTION]
* ====
* In empty (or nearly empty) ERC-4626 vaults, deposits are at high risk of being stolen through frontrunning
* with a "donation" to the vault that inflates the price of a share. This is variously known as a donation or inflation
* attack and is essentially a problem of slippage. Vault deployers can protect against this attack by making an initial
* deposit of a non-trivial amount of the asset, such that price manipulation becomes infeasible. Withdrawals may
* similarly be affected by slippage. Users can protect against this attack as well as unexpected slippage in general by
* verifying the amount received is as expected, using a wrapper that performs these checks such as
* https://github.com/fei-protocol/ERC4626#erc4626router-and-base[ERC4626Router].
*
* Since v4.9, this implementation introduces configurable virtual assets and shares to help developers mitigate that risk.
* The `_decimalsOffset()` corresponds to an offset in the decimal representation between the underlying asset's decimals
* and the vault decimals. This offset also determines the rate of virtual shares to virtual assets in the vault, which
* itself determines the initial exchange rate. While not fully preventing the attack, analysis shows that the default
* offset (0) makes it non-profitable even if an attacker is able to capture value from multiple user deposits, as a result
* of the value being captured by the virtual shares (out of the attacker's donation) matching the attacker's expected gains.
* With a larger offset, the attack becomes orders of magnitude more expensive than it is profitable. More details about the
* underlying math can be found xref:erc4626.adoc#inflation-attack[here].
*
* The drawback of this approach is that the virtual shares do capture (a very small) part of the value being accrued
* to the vault. Also, if the vault experiences losses, the users try to exit the vault, the virtual shares and assets
* will cause the first user to exit to experience reduced losses in detriment to the last users that will experience
* bigger losses. Developers willing to revert back to the pre-v4.9 behavior just need to override the
* `_convertToShares` and `_convertToAssets` functions.
*
* To learn more, check out our xref:ROOT:erc4626.adoc[ERC-4626 guide].
* ====
*/
abstract contract ERC4626Upgradeable is Initializable, ERC20Upgradeable, IERC4626 {
using Math for uint256;
/// @custom:storage-location erc7201:openzeppelin.storage.ERC4626
struct ERC4626Storage {
IERC20 _asset;
uint8 _underlyingDecimals;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC4626")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ERC4626StorageLocation =
0x0773e532dfede91f04b12a73d3d2acd361424f41f76b4fb79f090161e36b4e00;
function _getERC4626Storage() private pure returns (ERC4626Storage storage $) {
assembly {
$.slot := ERC4626StorageLocation
}
}
/**
* @dev Attempted to deposit more assets than the max amount for `receiver`.
*/
error ERC4626ExceededMaxDeposit(address receiver, uint256 assets, uint256 max);
/**
* @dev Attempted to mint more shares than the max amount for `receiver`.
*/
error ERC4626ExceededMaxMint(address receiver, uint256 shares, uint256 max);
/**
* @dev Attempted to withdraw more assets than the max amount for `receiver`.
*/
error ERC4626ExceededMaxWithdraw(address owner, uint256 assets, uint256 max);
/**
* @dev Attempted to redeem more shares than the max amount for `receiver`.
*/
error ERC4626ExceededMaxRedeem(address owner, uint256 shares, uint256 max);
/**
* @dev Set the underlying asset contract. This must be an ERC20-compatible contract (ERC-20 or ERC-777).
*/
function __ERC4626_init(IERC20 asset_) internal onlyInitializing {
__ERC4626_init_unchained(asset_);
}
function __ERC4626_init_unchained(IERC20 asset_) internal onlyInitializing {
ERC4626Storage storage $ = _getERC4626Storage();
(bool success, uint8 assetDecimals) = _tryGetAssetDecimals(asset_);
$._underlyingDecimals = success ? assetDecimals : 18;
$._asset = asset_;
}
/**
* @dev Attempts to fetch the asset decimals. A return value of false indicates that the attempt failed in some way.
*/
function _tryGetAssetDecimals(IERC20 asset_) private view returns (bool ok, uint8 assetDecimals) {
(bool success, bytes memory encodedDecimals) =
address(asset_).staticcall(abi.encodeCall(IERC20Metadata.decimals, ()));
if (success && encodedDecimals.length >= 32) {
uint256 returnedDecimals = abi.decode(encodedDecimals, (uint256));
if (returnedDecimals <= type(uint8).max) {
return (true, uint8(returnedDecimals));
}
}
return (false, 0);
}
/**
* @dev Decimals are computed by adding the decimal offset on top of the underlying asset's decimals. This
* "original" value is cached during construction of the vault contract. If this read operation fails (e.g., the
* asset has not been created yet), a default of 18 is used to represent the underlying asset's decimals.
*
* See {IERC20Metadata-decimals}.
*/
function decimals() public view virtual override(IERC20Metadata, ERC20Upgradeable) returns (uint8) {
ERC4626Storage storage $ = _getERC4626Storage();
return $._underlyingDecimals + _decimalsOffset();
}
/**
* @dev See {IERC4626-asset}.
*/
function asset() public view virtual returns (address) {
ERC4626Storage storage $ = _getERC4626Storage();
return address($._asset);
}
/**
* @dev See {IERC4626-totalAssets}.
*/
function totalAssets() public view virtual returns (uint256) {
ERC4626Storage storage $ = _getERC4626Storage();
return $._asset.balanceOf(address(this));
}
/**
* @dev See {IERC4626-convertToShares}.
*/
function convertToShares(uint256 assets) public view virtual returns (uint256) {
return _convertToShares(assets, Math.Rounding.Floor);
}
/**
* @dev See {IERC4626-convertToAssets}.
*/
function convertToAssets(uint256 shares) public view virtual returns (uint256) {
return _convertToAssets(shares, Math.Rounding.Floor);
}
/**
* @dev See {IERC4626-maxDeposit}.
*/
function maxDeposit(address) public view virtual returns (uint256) {
return type(uint256).max;
}
/**
* @dev See {IERC4626-maxMint}.
*/
function maxMint(address) public view virtual returns (uint256) {
return type(uint256).max;
}
/**
* @dev See {IERC4626-maxWithdraw}.
*/
function maxWithdraw(address owner) public view virtual returns (uint256) {
return _convertToAssets(balanceOf(owner), Math.Rounding.Floor);
}
/**
* @dev See {IERC4626-maxRedeem}.
*/
function maxRedeem(address owner) public view virtual returns (uint256) {
return balanceOf(owner);
}
/**
* @dev See {IERC4626-previewDeposit}.
*/
function previewDeposit(uint256 assets) public view virtual returns (uint256) {
return _convertToShares(assets, Math.Rounding.Floor);
}
/**
* @dev See {IERC4626-previewMint}.
*/
function previewMint(uint256 shares) public view virtual returns (uint256) {
return _convertToAssets(shares, Math.Rounding.Ceil);
}
/**
* @dev See {IERC4626-previewWithdraw}.
*/
function previewWithdraw(uint256 assets) public view virtual returns (uint256) {
return _convertToShares(assets, Math.Rounding.Ceil);
}
/**
* @dev See {IERC4626-previewRedeem}.
*/
function previewRedeem(uint256 shares) public view virtual returns (uint256) {
return _convertToAssets(shares, Math.Rounding.Floor);
}
/**
* @dev See {IERC4626-deposit}.
*/
function deposit(uint256 assets, address receiver) public virtual returns (uint256) {
uint256 maxAssets = maxDeposit(receiver);
if (assets > maxAssets) {
revert ERC4626ExceededMaxDeposit(receiver, assets, maxAssets);
}
uint256 shares = previewDeposit(assets);
_deposit(_msgSender(), receiver, assets, shares);
return shares;
}
/**
* @dev See {IERC4626-mint}.
*/
function mint(uint256 shares, address receiver) public virtual returns (uint256) {
uint256 maxShares = maxMint(receiver);
if (shares > maxShares) {
revert ERC4626ExceededMaxMint(receiver, shares, maxShares);
}
uint256 assets = previewMint(shares);
_deposit(_msgSender(), receiver, assets, shares);
return assets;
}
/**
* @dev See {IERC4626-withdraw}.
*/
function withdraw(uint256 assets, address receiver, address owner) public virtual returns (uint256) {
uint256 maxAssets = maxWithdraw(owner);
if (assets > maxAssets) {
revert ERC4626ExceededMaxWithdraw(owner, assets, maxAssets);
}
uint256 shares = previewWithdraw(assets);
_withdraw(_msgSender(), receiver, owner, assets, shares);
return shares;
}
/**
* @dev See {IERC4626-redeem}.
*/
function redeem(uint256 shares, address receiver, address owner) public virtual returns (uint256) {
uint256 maxShares = maxRedeem(owner);
if (shares > maxShares) {
revert ERC4626ExceededMaxRedeem(owner, shares, maxShares);
}
uint256 assets = previewRedeem(shares);
_withdraw(_msgSender(), receiver, owner, assets, shares);
return assets;
}
/**
* @dev Internal conversion function (from assets to shares) with support for rounding direction.
*/
function _convertToShares(uint256 assets, Math.Rounding rounding) internal view virtual returns (uint256) {
return assets.mulDiv(totalSupply() + 10 ** _decimalsOffset(), totalAssets() + 1, rounding);
}
/**
* @dev Internal conversion function (from shares to assets) with support for rounding direction.
*/
function _convertToAssets(uint256 shares, Math.Rounding rounding) internal view virtual returns (uint256) {
return shares.mulDiv(totalAssets() + 1, totalSupply() + 10 ** _decimalsOffset(), rounding);
}
/**
* @dev Deposit/mint common workflow.
*/
function _deposit(address caller, address receiver, uint256 assets, uint256 shares) internal virtual {
ERC4626Storage storage $ = _getERC4626Storage();
// If _asset is ERC-777, `transferFrom` can trigger a reentrancy BEFORE the transfer happens through the
// `tokensToSend` hook. On the other hand, the `tokenReceived` hook, that is triggered after the transfer,
// calls the vault, which is assumed not malicious.
//
// Conclusion: we need to do the transfer before we mint so that any reentrancy would happen before the
// assets are transferred and before the shares are minted, which is a valid state.
// slither-disable-next-line reentrancy-no-eth
SafeERC20.safeTransferFrom($._asset, caller, address(this), assets);
_mint(receiver, shares);
emit Deposit(caller, receiver, assets, shares);
}
/**
* @dev Withdraw/redeem common workflow.
*/
function _withdraw(address caller, address receiver, address owner, uint256 assets, uint256 shares)
internal
virtual
{
ERC4626Storage storage $ = _getERC4626Storage();
if (caller != owner) {
_spendAllowance(owner, caller, shares);
}
// If _asset is ERC-777, `transfer` can trigger a reentrancy AFTER the transfer happens through the
// `tokensReceived` hook. On the other hand, the `tokensToSend` hook, that is triggered before the transfer,
// calls the vault, which is assumed not malicious.
//
// Conclusion: we need to do the transfer after the burn so that any reentrancy would happen after the
// shares are burned and after the assets are transferred, which is a valid state.
_burn(owner, shares);
SafeERC20.safeTransfer($._asset, receiver, assets);
emit Withdraw(caller, receiver, owner, assets, shares);
}
function _decimalsOffset() internal view virtual returns (uint8) {
return 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (utils/Address.sol)
pragma solidity ^0.8.20;
import {Errors} from "./Errors.sol";
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert Errors.InsufficientBalance(address(this).balance, amount);
}
(bool success, bytes memory returndata) = recipient.call{value: amount}("");
if (!success) {
_revert(returndata);
}
}
/**
* @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 or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {Errors.FailedCall} error.
*
* 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.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @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`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert Errors.InsufficientBalance(address(this).balance, value);
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
* of an unsuccessful call.
*/
function verifyCallResultFromTarget(address target, bool success, bytes memory returndata)
internal
view
returns (bytes memory)
{
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {Errors.FailedCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
*/
function _revert(bytes memory returndata) private pure {
// 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
assembly ("memory-safe") {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert Errors.FailedCall();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.
pragma solidity ^0.8.20;
/**
* @dev Library for managing
* https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
* types.
*
* Sets have the following properties:
*
* - Elements are added, removed, and checked for existence in constant time
* (O(1)).
* - Elements are enumerated in O(n). No guarantees are made on the ordering.
*
* ```solidity
* contract Example {
* // Add the library methods
* using EnumerableSet for EnumerableSet.AddressSet;
*
* // Declare a set state variable
* EnumerableSet.AddressSet private mySet;
* }
* ```
*
* As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
* and `uint256` (`UintSet`) are supported.
*
* [WARNING]
* ====
* Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
* unusable.
* See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
*
* In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
* array of EnumerableSet.
* ====
*/
library EnumerableSet {
// To implement this library for multiple types with as little code
// repetition as possible, we write it in terms of a generic Set type with
// bytes32 values.
// The Set implementation uses private functions, and user-facing
// implementations (such as AddressSet) are just wrappers around the
// underlying Set.
// This means that we can only create new EnumerableSets for types that fit
// in bytes32.
struct Set {
// Storage of set values
bytes32[] _values;
// Position is the index of the value in the `values` array plus 1.
// Position 0 is used to mean a value is not in the set.
mapping(bytes32 value => uint256) _positions;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
// The value is stored at length-1, but we add 1 to all indexes
// and use 0 as a sentinel value
set._positions[value] = set._values.length;
return true;
} else {
return false;
}
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function _remove(Set storage set, bytes32 value) private returns (bool) {
// We cache the value's position to prevent multiple reads from the same storage slot
uint256 position = set._positions[value];
if (position != 0) {
// Equivalent to contains(set, value)
// To delete an element from the _values array in O(1), we swap the element to delete with the last one in
// the array, and then remove the last element (sometimes called as 'swap and pop').
// This modifies the order of the array, as noted in {at}.
uint256 valueIndex = position - 1;
uint256 lastIndex = set._values.length - 1;
if (valueIndex != lastIndex) {
bytes32 lastValue = set._values[lastIndex];
// Move the lastValue to the index where the value to delete is
set._values[valueIndex] = lastValue;
// Update the tracked position of the lastValue (that was just moved)
set._positions[lastValue] = position;
}
// Delete the slot where the moved value was stored
set._values.pop();
// Delete the tracked position for the deleted slot
delete set._positions[value];
return true;
} else {
return false;
}
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._positions[value] != 0;
}
/**
* @dev Returns the number of values on the set. O(1).
*/
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function _at(Set storage set, uint256 index) private view returns (bytes32) {
return set._values[index];
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function _values(Set storage set) private view returns (bytes32[] memory) {
return set._values;
}
// Bytes32Set
struct Bytes32Set {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
bytes32[] memory store = _values(set._inner);
bytes32[] memory result;
assembly ("memory-safe") {
result := store
}
return result;
}
// AddressSet
struct AddressSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(AddressSet storage set) internal view returns (address[] memory) {
bytes32[] memory store = _values(set._inner);
address[] memory result;
assembly ("memory-safe") {
result := store
}
return result;
}
// UintSet
struct UintSet {
Set _inner;
}
/**
* @dev Add a value to a set. O(1).
*
* Returns true if the value was added to the set, that is if it was not
* already present.
*/
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
/**
* @dev Removes a value from a set. O(1).
*
* Returns true if the value was removed from the set, that is if it was
* present.
*/
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
/**
* @dev Returns true if the value is in the set. O(1).
*/
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
/**
* @dev Returns the number of values in the set. O(1).
*/
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
/**
* @dev Returns the value stored at position `index` in the set. O(1).
*
* Note that there are no guarantees on the ordering of values inside the
* array, and it may change when more values are added or removed.
*
* Requirements:
*
* - `index` must be strictly less than {length}.
*/
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
/**
* @dev Return the entire set in an array
*
* WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
* to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
* this function has an unbounded cost, and using it as part of a state-changing function may render the function
* uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
*/
function values(UintSet storage set) internal view returns (uint256[] memory) {
bytes32[] memory store = _values(set._inner);
uint256[] memory result;
assembly ("memory-safe") {
result := store
}
return result;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
import {Context} from "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* The initial owner is set to the address provided by the deployer. This can
* later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
/**
* @dev The caller account is not authorized to perform an operation.
*/
error OwnableUnauthorizedAccount(address account);
/**
* @dev The owner is not a valid owner account. (eg. `address(0)`)
*/
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the address provided by the deployer as the initial owner.
*/
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.20;
/**
* @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow
* checks.
*
* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
* easily result in undesired exploitation or bugs, since developers usually
* assume that overflows raise errors. `SafeCast` restores this intuition by
* reverting the transaction when such an operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeCast {
/**
* @dev Value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
/**
* @dev An int value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedIntToUint(int256 value);
/**
* @dev Value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);
/**
* @dev An uint value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedUintToInt(uint256 value);
/**
* @dev Returns the downcasted uint248 from uint256, reverting on
* overflow (when the input is greater than largest uint248).
*
* Counterpart to Solidity's `uint248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toUint248(uint256 value) internal pure returns (uint248) {
if (value > type(uint248).max) {
revert SafeCastOverflowedUintDowncast(248, value);
}
return uint248(value);
}
/**
* @dev Returns the downcasted uint240 from uint256, reverting on
* overflow (when the input is greater than largest uint240).
*
* Counterpart to Solidity's `uint240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toUint240(uint256 value) internal pure returns (uint240) {
if (value > type(uint240).max) {
revert SafeCastOverflowedUintDowncast(240, value);
}
return uint240(value);
}
/**
* @dev Returns the downcasted uint232 from uint256, reverting on
* overflow (when the input is greater than largest uint232).
*
* Counterpart to Solidity's `uint232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toUint232(uint256 value) internal pure returns (uint232) {
if (value > type(uint232).max) {
revert SafeCastOverflowedUintDowncast(232, value);
}
return uint232(value);
}
/**
* @dev Returns the downcasted uint224 from uint256, reverting on
* overflow (when the input is greater than largest uint224).
*
* Counterpart to Solidity's `uint224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toUint224(uint256 value) internal pure returns (uint224) {
if (value > type(uint224).max) {
revert SafeCastOverflowedUintDowncast(224, value);
}
return uint224(value);
}
/**
* @dev Returns the downcasted uint216 from uint256, reverting on
* overflow (when the input is greater than largest uint216).
*
* Counterpart to Solidity's `uint216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toUint216(uint256 value) internal pure returns (uint216) {
if (value > type(uint216).max) {
revert SafeCastOverflowedUintDowncast(216, value);
}
return uint216(value);
}
/**
* @dev Returns the downcasted uint208 from uint256, reverting on
* overflow (when the input is greater than largest uint208).
*
* Counterpart to Solidity's `uint208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toUint208(uint256 value) internal pure returns (uint208) {
if (value > type(uint208).max) {
revert SafeCastOverflowedUintDowncast(208, value);
}
return uint208(value);
}
/**
* @dev Returns the downcasted uint200 from uint256, reverting on
* overflow (when the input is greater than largest uint200).
*
* Counterpart to Solidity's `uint200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toUint200(uint256 value) internal pure returns (uint200) {
if (value > type(uint200).max) {
revert SafeCastOverflowedUintDowncast(200, value);
}
return uint200(value);
}
/**
* @dev Returns the downcasted uint192 from uint256, reverting on
* overflow (when the input is greater than largest uint192).
*
* Counterpart to Solidity's `uint192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toUint192(uint256 value) internal pure returns (uint192) {
if (value > type(uint192).max) {
revert SafeCastOverflowedUintDowncast(192, value);
}
return uint192(value);
}
/**
* @dev Returns the downcasted uint184 from uint256, reverting on
* overflow (when the input is greater than largest uint184).
*
* Counterpart to Solidity's `uint184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toUint184(uint256 value) internal pure returns (uint184) {
if (value > type(uint184).max) {
revert SafeCastOverflowedUintDowncast(184, value);
}
return uint184(value);
}
/**
* @dev Returns the downcasted uint176 from uint256, reverting on
* overflow (when the input is greater than largest uint176).
*
* Counterpart to Solidity's `uint176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toUint176(uint256 value) internal pure returns (uint176) {
if (value > type(uint176).max) {
revert SafeCastOverflowedUintDowncast(176, value);
}
return uint176(value);
}
/**
* @dev Returns the downcasted uint168 from uint256, reverting on
* overflow (when the input is greater than largest uint168).
*
* Counterpart to Solidity's `uint168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toUint168(uint256 value) internal pure returns (uint168) {
if (value > type(uint168).max) {
revert SafeCastOverflowedUintDowncast(168, value);
}
return uint168(value);
}
/**
* @dev Returns the downcasted uint160 from uint256, reverting on
* overflow (when the input is greater than largest uint160).
*
* Counterpart to Solidity's `uint160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toUint160(uint256 value) internal pure returns (uint160) {
if (value > type(uint160).max) {
revert SafeCastOverflowedUintDowncast(160, value);
}
return uint160(value);
}
/**
* @dev Returns the downcasted uint152 from uint256, reverting on
* overflow (when the input is greater than largest uint152).
*
* Counterpart to Solidity's `uint152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toUint152(uint256 value) internal pure returns (uint152) {
if (value > type(uint152).max) {
revert SafeCastOverflowedUintDowncast(152, value);
}
return uint152(value);
}
/**
* @dev Returns the downcasted uint144 from uint256, reverting on
* overflow (when the input is greater than largest uint144).
*
* Counterpart to Solidity's `uint144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toUint144(uint256 value) internal pure returns (uint144) {
if (value > type(uint144).max) {
revert SafeCastOverflowedUintDowncast(144, value);
}
return uint144(value);
}
/**
* @dev Returns the downcasted uint136 from uint256, reverting on
* overflow (when the input is greater than largest uint136).
*
* Counterpart to Solidity's `uint136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toUint136(uint256 value) internal pure returns (uint136) {
if (value > type(uint136).max) {
revert SafeCastOverflowedUintDowncast(136, value);
}
return uint136(value);
}
/**
* @dev Returns the downcasted uint128 from uint256, reverting on
* overflow (when the input is greater than largest uint128).
*
* Counterpart to Solidity's `uint128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toUint128(uint256 value) internal pure returns (uint128) {
if (value > type(uint128).max) {
revert SafeCastOverflowedUintDowncast(128, value);
}
return uint128(value);
}
/**
* @dev Returns the downcasted uint120 from uint256, reverting on
* overflow (when the input is greater than largest uint120).
*
* Counterpart to Solidity's `uint120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toUint120(uint256 value) internal pure returns (uint120) {
if (value > type(uint120).max) {
revert SafeCastOverflowedUintDowncast(120, value);
}
return uint120(value);
}
/**
* @dev Returns the downcasted uint112 from uint256, reverting on
* overflow (when the input is greater than largest uint112).
*
* Counterpart to Solidity's `uint112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toUint112(uint256 value) internal pure returns (uint112) {
if (value > type(uint112).max) {
revert SafeCastOverflowedUintDowncast(112, value);
}
return uint112(value);
}
/**
* @dev Returns the downcasted uint104 from uint256, reverting on
* overflow (when the input is greater than largest uint104).
*
* Counterpart to Solidity's `uint104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toUint104(uint256 value) internal pure returns (uint104) {
if (value > type(uint104).max) {
revert SafeCastOverflowedUintDowncast(104, value);
}
return uint104(value);
}
/**
* @dev Returns the downcasted uint96 from uint256, reverting on
* overflow (when the input is greater than largest uint96).
*
* Counterpart to Solidity's `uint96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toUint96(uint256 value) internal pure returns (uint96) {
if (value > type(uint96).max) {
revert SafeCastOverflowedUintDowncast(96, value);
}
return uint96(value);
}
/**
* @dev Returns the downcasted uint88 from uint256, reverting on
* overflow (when the input is greater than largest uint88).
*
* Counterpart to Solidity's `uint88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toUint88(uint256 value) internal pure returns (uint88) {
if (value > type(uint88).max) {
revert SafeCastOverflowedUintDowncast(88, value);
}
return uint88(value);
}
/**
* @dev Returns the downcasted uint80 from uint256, reverting on
* overflow (when the input is greater than largest uint80).
*
* Counterpart to Solidity's `uint80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toUint80(uint256 value) internal pure returns (uint80) {
if (value > type(uint80).max) {
revert SafeCastOverflowedUintDowncast(80, value);
}
return uint80(value);
}
/**
* @dev Returns the downcasted uint72 from uint256, reverting on
* overflow (when the input is greater than largest uint72).
*
* Counterpart to Solidity's `uint72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toUint72(uint256 value) internal pure returns (uint72) {
if (value > type(uint72).max) {
revert SafeCastOverflowedUintDowncast(72, value);
}
return uint72(value);
}
/**
* @dev Returns the downcasted uint64 from uint256, reverting on
* overflow (when the input is greater than largest uint64).
*
* Counterpart to Solidity's `uint64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toUint64(uint256 value) internal pure returns (uint64) {
if (value > type(uint64).max) {
revert SafeCastOverflowedUintDowncast(64, value);
}
return uint64(value);
}
/**
* @dev Returns the downcasted uint56 from uint256, reverting on
* overflow (when the input is greater than largest uint56).
*
* Counterpart to Solidity's `uint56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toUint56(uint256 value) internal pure returns (uint56) {
if (value > type(uint56).max) {
revert SafeCastOverflowedUintDowncast(56, value);
}
return uint56(value);
}
/**
* @dev Returns the downcasted uint48 from uint256, reverting on
* overflow (when the input is greater than largest uint48).
*
* Counterpart to Solidity's `uint48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toUint48(uint256 value) internal pure returns (uint48) {
if (value > type(uint48).max) {
revert SafeCastOverflowedUintDowncast(48, value);
}
return uint48(value);
}
/**
* @dev Returns the downcasted uint40 from uint256, reverting on
* overflow (when the input is greater than largest uint40).
*
* Counterpart to Solidity's `uint40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toUint40(uint256 value) internal pure returns (uint40) {
if (value > type(uint40).max) {
revert SafeCastOverflowedUintDowncast(40, value);
}
return uint40(value);
}
/**
* @dev Returns the downcasted uint32 from uint256, reverting on
* overflow (when the input is greater than largest uint32).
*
* Counterpart to Solidity's `uint32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toUint32(uint256 value) internal pure returns (uint32) {
if (value > type(uint32).max) {
revert SafeCastOverflowedUintDowncast(32, value);
}
return uint32(value);
}
/**
* @dev Returns the downcasted uint24 from uint256, reverting on
* overflow (when the input is greater than largest uint24).
*
* Counterpart to Solidity's `uint24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toUint24(uint256 value) internal pure returns (uint24) {
if (value > type(uint24).max) {
revert SafeCastOverflowedUintDowncast(24, value);
}
return uint24(value);
}
/**
* @dev Returns the downcasted uint16 from uint256, reverting on
* overflow (when the input is greater than largest uint16).
*
* Counterpart to Solidity's `uint16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toUint16(uint256 value) internal pure returns (uint16) {
if (value > type(uint16).max) {
revert SafeCastOverflowedUintDowncast(16, value);
}
return uint16(value);
}
/**
* @dev Returns the downcasted uint8 from uint256, reverting on
* overflow (when the input is greater than largest uint8).
*
* Counterpart to Solidity's `uint8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toUint8(uint256 value) internal pure returns (uint8) {
if (value > type(uint8).max) {
revert SafeCastOverflowedUintDowncast(8, value);
}
return uint8(value);
}
/**
* @dev Converts a signed int256 into an unsigned uint256.
*
* Requirements:
*
* - input must be greater than or equal to 0.
*/
function toUint256(int256 value) internal pure returns (uint256) {
if (value < 0) {
revert SafeCastOverflowedIntToUint(value);
}
return uint256(value);
}
/**
* @dev Returns the downcasted int248 from int256, reverting on
* overflow (when the input is less than smallest int248 or
* greater than largest int248).
*
* Counterpart to Solidity's `int248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(248, value);
}
}
/**
* @dev Returns the downcasted int240 from int256, reverting on
* overflow (when the input is less than smallest int240 or
* greater than largest int240).
*
* Counterpart to Solidity's `int240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(240, value);
}
}
/**
* @dev Returns the downcasted int232 from int256, reverting on
* overflow (when the input is less than smallest int232 or
* greater than largest int232).
*
* Counterpart to Solidity's `int232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(232, value);
}
}
/**
* @dev Returns the downcasted int224 from int256, reverting on
* overflow (when the input is less than smallest int224 or
* greater than largest int224).
*
* Counterpart to Solidity's `int224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(224, value);
}
}
/**
* @dev Returns the downcasted int216 from int256, reverting on
* overflow (when the input is less than smallest int216 or
* greater than largest int216).
*
* Counterpart to Solidity's `int216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(216, value);
}
}
/**
* @dev Returns the downcasted int208 from int256, reverting on
* overflow (when the input is less than smallest int208 or
* greater than largest int208).
*
* Counterpart to Solidity's `int208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(208, value);
}
}
/**
* @dev Returns the downcasted int200 from int256, reverting on
* overflow (when the input is less than smallest int200 or
* greater than largest int200).
*
* Counterpart to Solidity's `int200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(200, value);
}
}
/**
* @dev Returns the downcasted int192 from int256, reverting on
* overflow (when the input is less than smallest int192 or
* greater than largest int192).
*
* Counterpart to Solidity's `int192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(192, value);
}
}
/**
* @dev Returns the downcasted int184 from int256, reverting on
* overflow (when the input is less than smallest int184 or
* greater than largest int184).
*
* Counterpart to Solidity's `int184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(184, value);
}
}
/**
* @dev Returns the downcasted int176 from int256, reverting on
* overflow (when the input is less than smallest int176 or
* greater than largest int176).
*
* Counterpart to Solidity's `int176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(176, value);
}
}
/**
* @dev Returns the downcasted int168 from int256, reverting on
* overflow (when the input is less than smallest int168 or
* greater than largest int168).
*
* Counterpart to Solidity's `int168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(168, value);
}
}
/**
* @dev Returns the downcasted int160 from int256, reverting on
* overflow (when the input is less than smallest int160 or
* greater than largest int160).
*
* Counterpart to Solidity's `int160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(160, value);
}
}
/**
* @dev Returns the downcasted int152 from int256, reverting on
* overflow (when the input is less than smallest int152 or
* greater than largest int152).
*
* Counterpart to Solidity's `int152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(152, value);
}
}
/**
* @dev Returns the downcasted int144 from int256, reverting on
* overflow (when the input is less than smallest int144 or
* greater than largest int144).
*
* Counterpart to Solidity's `int144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(144, value);
}
}
/**
* @dev Returns the downcasted int136 from int256, reverting on
* overflow (when the input is less than smallest int136 or
* greater than largest int136).
*
* Counterpart to Solidity's `int136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(136, value);
}
}
/**
* @dev Returns the downcasted int128 from int256, reverting on
* overflow (when the input is less than smallest int128 or
* greater than largest int128).
*
* Counterpart to Solidity's `int128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(128, value);
}
}
/**
* @dev Returns the downcasted int120 from int256, reverting on
* overflow (when the input is less than smallest int120 or
* greater than largest int120).
*
* Counterpart to Solidity's `int120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(120, value);
}
}
/**
* @dev Returns the downcasted int112 from int256, reverting on
* overflow (when the input is less than smallest int112 or
* greater than largest int112).
*
* Counterpart to Solidity's `int112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(112, value);
}
}
/**
* @dev Returns the downcasted int104 from int256, reverting on
* overflow (when the input is less than smallest int104 or
* greater than largest int104).
*
* Counterpart to Solidity's `int104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(104, value);
}
}
/**
* @dev Returns the downcasted int96 from int256, reverting on
* overflow (when the input is less than smallest int96 or
* greater than largest int96).
*
* Counterpart to Solidity's `int96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(96, value);
}
}
/**
* @dev Returns the downcasted int88 from int256, reverting on
* overflow (when the input is less than smallest int88 or
* greater than largest int88).
*
* Counterpart to Solidity's `int88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(88, value);
}
}
/**
* @dev Returns the downcasted int80 from int256, reverting on
* overflow (when the input is less than smallest int80 or
* greater than largest int80).
*
* Counterpart to Solidity's `int80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(80, value);
}
}
/**
* @dev Returns the downcasted int72 from int256, reverting on
* overflow (when the input is less than smallest int72 or
* greater than largest int72).
*
* Counterpart to Solidity's `int72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(72, value);
}
}
/**
* @dev Returns the downcasted int64 from int256, reverting on
* overflow (when the input is less than smallest int64 or
* greater than largest int64).
*
* Counterpart to Solidity's `int64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(64, value);
}
}
/**
* @dev Returns the downcasted int56 from int256, reverting on
* overflow (when the input is less than smallest int56 or
* greater than largest int56).
*
* Counterpart to Solidity's `int56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(56, value);
}
}
/**
* @dev Returns the downcasted int48 from int256, reverting on
* overflow (when the input is less than smallest int48 or
* greater than largest int48).
*
* Counterpart to Solidity's `int48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(48, value);
}
}
/**
* @dev Returns the downcasted int40 from int256, reverting on
* overflow (when the input is less than smallest int40 or
* greater than largest int40).
*
* Counterpart to Solidity's `int40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(40, value);
}
}
/**
* @dev Returns the downcasted int32 from int256, reverting on
* overflow (when the input is less than smallest int32 or
* greater than largest int32).
*
* Counterpart to Solidity's `int32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(32, value);
}
}
/**
* @dev Returns the downcasted int24 from int256, reverting on
* overflow (when the input is less than smallest int24 or
* greater than largest int24).
*
* Counterpart to Solidity's `int24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(24, value);
}
}
/**
* @dev Returns the downcasted int16 from int256, reverting on
* overflow (when the input is less than smallest int16 or
* greater than largest int16).
*
* Counterpart to Solidity's `int16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(16, value);
}
}
/**
* @dev Returns the downcasted int8 from int256, reverting on
* overflow (when the input is less than smallest int8 or
* greater than largest int8).
*
* Counterpart to Solidity's `int8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(8, value);
}
}
/**
* @dev Converts an unsigned uint256 into a signed int256.
*
* Requirements:
*
* - input must be less than or equal to maxInt256.
*/
function toInt256(uint256 value) internal pure returns (int256) {
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
if (value > uint256(type(int256).max)) {
revert SafeCastOverflowedUintToInt(value);
}
return int256(value);
}
/**
* @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump.
*/
function toUint(bool b) internal pure returns (uint256 u) {
assembly ("memory-safe") {
u := iszero(iszero(b))
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
/**
* @title IStrategyTemplate
* @dev Interface that all strategy implementations must follow to be compatible with the vault system.
* @dev Each strategy is bound to a single vault and manages that vault's funds in different protocols or investment opportunities.
* @dev The Vault uses this interface to deploy, withdraw, and rebalance funds across multiple strategies.
*
* @notice This interface defines the core functionality required for strategy contracts:
* - Asset management (allocation and deallocation of funds)
* - Withdrawal capabilities for user redemptions
* - Limit reporting for rebalancing operations
* - Compatibility with the vault's underlying asset token
*
* @notice All strategies must implement proper access controls and ensure only authorized callers
* (typically the vault) can execute fund management operations.
*
* @notice For strategies that accrue rewards from underlying protocols:
* The vault has an arbitrary call execution function that can call any target with arbitrary data.
* This is primarily used to claim rewards from external reward systems. Strategies that earn rewards
* should provide dedicated functions that can be called by the vault through this mechanism to claim
* rewards and forward them to the rewards distributor system.
*/
/**
* @dev Enum representing different types of strategies
*/
enum StrategyType {
ATOMIC, // 0: Strategy that executes operations atomically, provides on-chain accurate accounting of yield
ASYNC, // 1: Strategy that requires asynchronous operations (multiple transactions), can provide stale (within defined latency) accounting of yield
CROSSCHAIN // 2: Strategy that operates across different blockchain networks, can provide stale (within defined latency) accounting of yield
}
interface IStrategyTemplate {
/**
* @dev Allocates funds from the vault to the underlying protocol.
* @dev This function will be called when the vault wants to deploy assets into the yield-generating protocol.
*
* @param data Arbitrary calldata that can be used to pass strategy-specific parameters for the allocation.
* This allows for flexible configuration of the allocation process (e.g., slippage tolerance,
* specific protocol parameters, routing information, etc.).
*
* - MUST emit the AllocateFunds event.
* - MUST revert if all of assets cannot be deposited (due to allocation limit being reached, slippage, the protocol
* not being able to accept more funds, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault's underlying asset token.
*/
function allocateFunds(bytes calldata data) external returns (uint256);
/**
* @dev Deallocates funds from the underlying protocol back to the vault.
* @dev This function will be called when the vault wants to withdraw assets from the yield-generating protocol.
*
* @param data Arbitrary calldata that can be used to pass strategy-specific parameters for the deallocation.
* This allows for flexible configuration of the withdrawal process (e.g., slippage tolerance,
* specific protocol parameters, withdrawal routing, etc.).
*
* - MUST emit the DeallocateFunds event.
* - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the protocol
* not having enough liquidity, etc).
*/
function deallocateFunds(bytes calldata data) external returns (uint256);
/**
* @dev Sends assets of underlying tokens to sender.
* @dev This function will be called when the vault unwinds its position while depositor withdraws.
*
* - MUST emit the Withdraw event.
* - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
* not having enough assets, etc).
*/
function onWithdraw(uint256 assets) external returns (uint256);
/**
* @dev Rescue function to withdraw tokens that may have been accidentally sent to the strategy.
* @dev This function allows authorized users to rescue tokens that are not part of the strategy's normal operations.
*
* @param token The address of the token to rescue.
* @param amount The amount of tokens to rescue. Use 0 to rescue all available tokens.
*
* - MUST only allow rescue of tokens that are not the strategy's primary asset (asset()).
* - MUST emit appropriate events for the rescue operation.
* - MUST revert if the caller is not authorized to perform token rescue.
* - MUST revert if attempting to rescue the strategy's primary asset token.
*/
function rescueToken(address token, uint256 amount) external;
/**
* @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
*
* - MUST be an ERC-20 token contract.
* - MUST NOT revert.
*/
function asset() external view returns (address);
/**
* @dev Returns the address of the vault that this strategy is bound to.
*
* - MUST return the vault address that was set during strategy initialization.
* - MUST NOT revert.
*/
function getVault() external view returns (address);
/**
* @dev Returns the type of strategy implementation.
* @dev This function indicates the operational characteristics of the strategy.
*
* @return The strategy type as defined in the StrategyType enum.
*
* - MUST return one of the defined StrategyType values.
* - MUST NOT revert.
* - ATOMIC: Strategy executes operations atomically in the same transaction, yield MUST be always atomicly updated in strategy allocated amount.
* - ASYNC: Strategy requires asynchronous operations across multiple transactions, yield Can be updated asynchronously within documented latency.
* - CROSSCHAIN: Strategy operates across different blockchain networks, yield Can be updated asynchronously within documented latency.
*/
function strategyType() external view returns (StrategyType);
/**
* @dev Returns the total value of assets that the bound vault has allocated in the strategy.
* @dev This function is mainly used during yield accrual operations to account for strategy yield or losses.
*
* @return The total value of allocated assets denominated in the asset() token.
*
* - MUST return the total value of assets that the bound vault has allocated to this strategy.
* - MUST account for any losses or depreciation in the underlying protocol.
* - MUST NOT revert.
* - MUST return 0 if the vault has no funds allocated to this strategy.
*/
function totalAllocatedValue() external view returns (uint256);
/**
* @dev Returns the maximum amount of assets that can be allocated to the underlying protocol.
* @dev This function is primarily used by the Allocator to determine allocation limits when rebalancing funds.
*
* - MUST return the maximum amount of underlying assets that can be allocated in a single call to allocateFunds.
* - MUST NOT revert.
* - MAY return 0 if the protocol cannot accept any more funds.
* - MAY return type(uint256).max if there is no practical limit.
*/
function maxAllocation() external view returns (uint256);
/**
* @dev Returns the maximum amount of assets that can be withdrawn from the strategy by the vault.
* @dev This function is primarily used by the vault to determine withdrawal limits when covering user redemptions.
*
* - MUST return the maximum amount of underlying assets that can be withdrawn in a single call to onWithdraw.
* - MUST NOT revert.
* - MAY return 0 if no funds are available for withdrawal.
* - SHOULD reflect current liquidity constraints and strategy-specific withdrawal limits.
*/
function maxWithdraw() external view returns (uint256);
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
import {IERC20, IERC4626} from "@openzeppelin-contracts/interfaces/IERC4626.sol";
import {IAllocateModule} from "../interface/IAllocateModule.sol";
import {IStrategyTemplate} from "../interface/IStrategyTemplate.sol";
import {IConcreteStandardVaultImpl} from "../interface/IConcreteStandardVaultImpl.sol";
import {ConcreteStandardVaultImplStorageLib} from "../lib/storage/ConcreteStandardVaultImplStorageLib.sol";
import {SafeCast} from "@openzeppelin-contracts/utils/math/SafeCast.sol";
import {SafeERC20} from "@openzeppelin-contracts/token/ERC20/utils/SafeERC20.sol";
contract AllocateModule is IAllocateModule {
using SafeCast for uint256;
using SafeERC20 for IERC20;
/// @inheritdoc IAllocateModule
function allocateFunds(bytes calldata data) external {
AllocateParams[] memory params = abi.decode(data, (AllocateParams[]));
ConcreteStandardVaultImplStorageLib.ConcreteStandardVaultImplStorage storage $ =
ConcreteStandardVaultImplStorageLib.fetch();
for (uint256 i; i < params.length; ++i) {
// Only allocate to Active strategies
if ($.strategyData[params[i].strategy].status != IConcreteStandardVaultImpl.StrategyStatus.Active) {
continue;
}
uint256 amount;
if (params[i].isDeposit) {
IERC20(IERC4626(address(this)).asset()).forceApprove(params[i].strategy, type(uint256).max);
amount = IStrategyTemplate(params[i].strategy).allocateFunds(params[i].extraData);
IERC20(IERC4626(address(this)).asset()).forceApprove(params[i].strategy, 0);
$.strategyData[params[i].strategy].allocated += amount.toUint120();
} else {
amount = IStrategyTemplate(params[i].strategy).deallocateFunds(params[i].extraData);
$.strategyData[params[i].strategy].allocated -= amount.toUint120();
}
emit AllocatedFunds(params[i].strategy, params[i].isDeposit, amount, params[i].extraData);
}
}
}// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.24;
/**
* @title AbstractUpgradeableVault
* @notice Abstract upgradeable base for Concrete vault implementations.
* Provides initializer pattern, ownership, and reentrancy guards.
*
* @author Blueprint Finance
* @custom:protocol Concrete Earn V2
* @custom:source on request
* @custom:audits on request
* @custom:license AGPL-3.0
*/
// ─────────────────────────────────────────────────────────────────────────────
// External dependencies
// ─────────────────────────────────────────────────────────────────────────────
import {Initializable} from "@openzeppelin-upgradeable/proxy/utils/Initializable.sol";
import {OwnableUpgradeable} from "@openzeppelin-upgradeable/access/OwnableUpgradeable.sol";
import {ReentrancyGuardUpgradeable} from "@openzeppelin-upgradeable/utils/ReentrancyGuardUpgradeable.sol";
// ─────────────────────────────────────────────────────────────────────────────
// Protocol-facing interfaces
// ─────────────────────────────────────────────────────────────────────────────
import {IUpgradeableVault} from "../interface/IUpgradeableVault.sol";
abstract contract UpgradeableVault is Initializable, OwnableUpgradeable, ReentrancyGuardUpgradeable, IUpgradeableVault {
address public immutable factory;
constructor(address factoryAddr) {
_disableInitializers();
factory = factoryAddr;
}
modifier notInitialized() {
if (_getInitializedVersion() != 0) {
revert AlreadyInitialized();
}
_;
}
/**
* @inheritdoc IUpgradeableVault
*/
function version() external view returns (uint64) {
return _getInitializedVersion();
}
/**
* @inheritdoc IUpgradeableVault
*/
function initialize(uint64 initialVersion, address owner_, bytes calldata data)
external
notInitialized
reinitializer(initialVersion)
{
require(_msgSender() == factory, NotFactory());
__ReentrancyGuard_init();
__Ownable_init(owner_);
_initialize(initialVersion, owner_, data);
}
/**
* @inheritdoc IUpgradeableVault
*/
function upgrade(uint64 newVersion, bytes calldata data) external nonReentrant reinitializer(newVersion) {
require(_msgSender() == factory, NotFactory());
_upgrade(_getInitializedVersion(), newVersion, data);
}
/**
*
* @param initialVersion initial implementation version from the factory
* @param owner vault proxy owner address
* @param data arbitrary data used to initialize a proxy implementation
*/
function _initialize(uint64 initialVersion, address owner, bytes memory data) internal virtual {}
/**
*
* @param oldVersion vault proxy old implementation version
* @param newVersion vault proxy new implementation version
* @param data arbitrary data that will be used on the new `newImplementation.upgrade()` function to execute the upgrade flow
*/
function _upgrade(uint64 oldVersion, uint64 newVersion, bytes calldata data) internal virtual {}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
library ConcreteV2ConstantsLib {
/// @dev Fee denominator for basis points calculation (10_000 = 100%)
uint16 public constant BASIS_POINTS_DENOMINATOR = 10_000;
}
library ConcreteV2FeeParamsLib {
/// @dev Maximum management fee in basis points (10% = 1,000 bps)
uint16 public constant MAX_MANAGEMENT_FEE = 1_000;
/// @dev Maximum performance fee in basis points (30% = 3,000 bps)
uint16 public constant MAX_PERFORMANCE_FEE = 3_000;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
import {Hooks, IHook} from "../interface/IHook.sol";
/// @title HooksMainLib
/// @dev Hooks library for four user action hooks: pre-deposit, pre-mint, pre-withdraw, pre-redeem.
/// @dev Hooks library for two strategy hooks: pre-add-strategy, pre-remove-strategy.
library HooksLibV1 {
uint8 constant PRE_DEPOSIT = 1;
uint8 constant POST_DEPOSIT = 2;
uint8 constant PRE_MINT = 3;
uint8 constant POST_MINT = 4;
uint8 constant PRE_WITHDRAW = 5;
uint8 constant POST_WITHDRAW = 6;
uint8 constant PRE_REDEEM = 7;
uint8 constant POST_REDEEM = 8;
uint8 constant PRE_ADD_STRATEGY = 9;
uint8 constant PRE_REMOVE_STRATEGY = 10;
/// @dev Checks if a specific flag is set in the Hooks struct
/// @param h The Hooks storage reference
/// @param flagIndex The flag index to check (0-95)
/// @return True if the flag is set, false otherwise
function flagIsSet(Hooks memory h, uint8 flagIndex) internal pure returns (bool) {
if (flagIndex >= 96) return false;
return (uint96(h.flags) & (1 << flagIndex)) != 0;
}
function checkIsValid(Hooks memory h, uint8 flagIndex) internal pure returns (bool) {
if (!flagIsSet(h, flagIndex) || h.target == address(0)) return false;
return true;
}
function preDeposit(Hooks memory h, address sender, uint256 assets, address receiver, uint256 totalAssets)
internal
{
IHook(h.target).preDeposit(sender, assets, receiver, totalAssets);
}
function preMint(Hooks memory h, address sender, uint256 shares, address receiver, uint256 totalAssets) internal {
IHook(h.target).preMint(sender, shares, receiver, totalAssets);
}
function preWithdraw(
Hooks memory h,
address sender,
uint256 assets,
address receiver,
address owner,
uint256 totalAssets
) internal {
IHook(h.target).preWithdraw(sender, assets, receiver, owner, totalAssets);
}
function preRedeem(
Hooks memory h,
address sender,
uint256 shares,
address receiver,
address owner,
uint256 totalAssets
) internal {
IHook(h.target).preRedeem(sender, shares, receiver, owner, totalAssets);
}
function postDeposit(
Hooks memory h,
address sender,
uint256 assets,
uint256 shares,
address receiver,
uint256 totalAssets
) internal {
IHook(h.target).postDeposit(sender, assets, shares, receiver, totalAssets);
}
function postMint(
Hooks memory h,
address sender,
uint256 assets,
uint256 shares,
address receiver,
uint256 totalAssets
) internal {
IHook(h.target).postMint(sender, assets, shares, receiver, totalAssets);
}
function postWithdraw(
Hooks memory h,
address sender,
uint256 assets,
uint256 shares,
address receiver,
uint256 totalAssets
) internal {
IHook(h.target).postWithdraw(sender, assets, shares, receiver, totalAssets);
}
function postRedeem(
Hooks memory h,
address sender,
uint256 assets,
uint256 shares,
address receiver,
uint256 totalAssets
) internal {
IHook(h.target).postRedeem(sender, assets, shares, receiver, totalAssets);
}
}import {ACL_OZ_5_2_0_Lib} from "./AccessControlLib.sol";
import {ConcreteV2RolesLib as RolesLib} from "../lib/Roles.sol";
import {ConcreteStandardVaultImplStorageLib as SVLib} from "../lib/storage/ConcreteStandardVaultImplStorageLib.sol";
import {ConcreteAsyncVaultImplStorageLib as AVLib} from "../lib/storage/ConcreteAsyncVaultImplStorageLib.sol";
import {IConcreteAsyncVaultImpl} from "../interface/IConcreteAsyncVaultImpl.sol";
import {Time} from "./Time.sol";
library StateInitLib {
function stateInitStandardVaultImpl(address allocateModuleAddr, address initialVaultManager, address sender)
public
{
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
$.allocateModule = allocateModuleAddr;
$.lastManagementFeeAccrual = Time.timestamp();
$.maxDepositAmount = type(uint256).max;
$.minDepositAmount = 0;
$.maxWithdrawAmount = type(uint256).max;
$.minWithdrawAmount = 0;
// Setup role admins
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.VAULT_MANAGER, RolesLib.VAULT_MANAGER_ADMIN);
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.HOOK_MANAGER, RolesLib.HOOK_MANAGER_ADMIN);
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.STRATEGY_MANAGER, RolesLib.STRATEGY_MANAGER_ADMIN);
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.ALLOCATOR, RolesLib.ALLOCATOR_ADMIN);
// setup role admins of the admins
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.VAULT_MANAGER_ADMIN, RolesLib.VAULT_MANAGER_ADMIN);
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.HOOK_MANAGER_ADMIN, RolesLib.HOOK_MANAGER_ADMIN);
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.STRATEGY_MANAGER_ADMIN, RolesLib.STRATEGY_MANAGER_ADMIN);
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.ALLOCATOR_ADMIN, RolesLib.ALLOCATOR_ADMIN);
// Grant admin roles to the initial vault manager
ACL_OZ_5_2_0_Lib._grantRole(RolesLib.VAULT_MANAGER_ADMIN, initialVaultManager, sender);
ACL_OZ_5_2_0_Lib._grantRole(RolesLib.HOOK_MANAGER_ADMIN, initialVaultManager, sender);
ACL_OZ_5_2_0_Lib._grantRole(RolesLib.STRATEGY_MANAGER_ADMIN, initialVaultManager, sender);
ACL_OZ_5_2_0_Lib._grantRole(RolesLib.ALLOCATOR_ADMIN, initialVaultManager, sender);
// Grant manager role to the initial vault manager
ACL_OZ_5_2_0_Lib._grantRole(RolesLib.VAULT_MANAGER, initialVaultManager, sender);
}
function stateInitAsyncVaultImpl(address initialVaultManager, address sender) public {
AVLib.ConcreteAsyncVaultImplStorage storage $ = AVLib.fetch();
// Set initial epoch to 1,
$.isQueueActive = true;
$.latestEpochID = 1;
emit IConcreteAsyncVaultImpl.WithdrawalQueueInitialized($.latestEpochID);
// setup role admins
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.WITHDRAWAL_MANAGER, RolesLib.WITHDRAWAL_MANAGER_ADMIN);
// setup role admins of the admins
ACL_OZ_5_2_0_Lib._setRoleAdmin(RolesLib.WITHDRAWAL_MANAGER_ADMIN, RolesLib.WITHDRAWAL_MANAGER_ADMIN);
// Grant admin roles to the initial vault manager
ACL_OZ_5_2_0_Lib._grantRole(RolesLib.WITHDRAWAL_MANAGER_ADMIN, initialVaultManager, sender);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
import {ConcreteStandardVaultImplStorageLib as SVLib} from "./storage/ConcreteStandardVaultImplStorageLib.sol";
import {EnumerableSet} from "@openzeppelin-contracts/utils/structs/EnumerableSet.sol";
import {IConcreteStandardVaultImpl} from "../interface/IConcreteStandardVaultImpl.sol";
import {ConcreteV2FeeParamsLib} from "./Constants.sol";
library StateSetterLib {
using EnumerableSet for EnumerableSet.AddressSet;
/// @dev Maximum management fee in basis points (10% = 1,000 bps)
uint16 public constant MAX_MANAGEMENT_FEE = 1_000;
/// @dev Maximum performance fee in basis points (30% = 3,000 bps)
uint16 public constant MAX_PERFORMANCE_FEE = 3_000;
function updateManagementFee(uint16 managementFee_) external {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
if (managementFee_ > 0) {
require($.managementFeeRecipient != address(0), IConcreteStandardVaultImpl.FeeRecipientNotSet());
require(
managementFee_ <= ConcreteV2FeeParamsLib.MAX_MANAGEMENT_FEE,
IConcreteStandardVaultImpl.ManagementFeeExceedsMaximum()
);
}
$.managementFee = managementFee_;
emit IConcreteStandardVaultImpl.ManagementFeeUpdated(managementFee_);
}
/// @dev Updates the management fee recipient
/// @param recipient The new management fee recipient
function updateManagementFeeRecipient(address recipient) external {
require(recipient != address(0), IConcreteStandardVaultImpl.InvalidFeeRecipient());
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
$.managementFeeRecipient = recipient;
emit IConcreteStandardVaultImpl.ManagementFeeRecipientUpdated(recipient);
}
function updatePerformanceFee(uint16 performanceFee_) external {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
if (performanceFee_ > 0) {
require($.performanceFeeRecipient != address(0), IConcreteStandardVaultImpl.FeeRecipientNotSet());
require(
performanceFee_ <= ConcreteV2FeeParamsLib.MAX_PERFORMANCE_FEE,
IConcreteStandardVaultImpl.PerformanceFeeExceedsMaximum()
);
}
$.performanceFee = performanceFee_;
emit IConcreteStandardVaultImpl.PerformanceFeeUpdated(performanceFee_);
}
function updatePerformanceFeeRecipient(address recipient) external {
require(recipient != address(0), IConcreteStandardVaultImpl.InvalidFeeRecipient());
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
$.performanceFeeRecipient = recipient;
emit IConcreteStandardVaultImpl.PerformanceFeeRecipientUpdated(recipient);
}
function setDepositLimits(uint256 minDepositAmount, uint256 maxDepositAmount) external {
require(maxDepositAmount >= minDepositAmount, IConcreteStandardVaultImpl.InvalidDepositLimits());
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
$.maxDepositAmount = maxDepositAmount;
$.minDepositAmount = minDepositAmount;
emit IConcreteStandardVaultImpl.DepositLimitsUpdated(maxDepositAmount, minDepositAmount);
}
function setWithdrawLimits(uint256 minWithdrawAmount, uint256 maxWithdrawAmount) external {
require(maxWithdrawAmount >= minWithdrawAmount, IConcreteStandardVaultImpl.InvalidWithdrawLimits());
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
$.maxWithdrawAmount = maxWithdrawAmount;
$.minWithdrawAmount = minWithdrawAmount;
emit IConcreteStandardVaultImpl.WithdrawLimitsUpdated(maxWithdrawAmount, minWithdrawAmount);
}
function addStrategy(address strategy) external {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
require($.strategies.add(strategy), IConcreteStandardVaultImpl.StrategyAlreadyAdded());
$.strategyData[strategy] = IConcreteStandardVaultImpl.StrategyData({
status: IConcreteStandardVaultImpl.StrategyStatus.Active, allocated: 0
});
emit IConcreteStandardVaultImpl.StrategyAdded(strategy);
}
function removeStrategy(address strategy) external {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
IConcreteStandardVaultImpl.StrategyData memory strategyDataCached = $.strategyData[strategy];
require(
(strategyDataCached.allocated == 0 && _strategyNotInDeallocationOrder(strategy))
|| strategyDataCached.status == IConcreteStandardVaultImpl.StrategyStatus.Halted,
IConcreteStandardVaultImpl.StrategyHasAllocation()
);
require($.strategies.remove(strategy), IConcreteStandardVaultImpl.StrategyDoesNotExist());
delete $.strategyData[strategy];
emit IConcreteStandardVaultImpl.StrategyRemoved(strategy);
}
function toggleStrategyStatus(address strategy) external {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
require($.strategies.contains(strategy), IConcreteStandardVaultImpl.StrategyDoesNotExist());
IConcreteStandardVaultImpl.StrategyStatus currentStatus = $.strategyData[strategy].status;
if (currentStatus == IConcreteStandardVaultImpl.StrategyStatus.Active) {
$.strategyData[strategy].status = IConcreteStandardVaultImpl.StrategyStatus.Halted;
} else {
$.strategyData[strategy].status = IConcreteStandardVaultImpl.StrategyStatus.Active;
}
emit IConcreteStandardVaultImpl.StrategyStatusToggled(strategy);
}
/**
* @dev Internal function to check if a strategy is not in the deallocation order.
* @param strategy The strategy address to check.
* @return True if the strategy is not in the deallocation order, false otherwise.
*/
function _strategyNotInDeallocationOrder(address strategy) internal view returns (bool) {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
address[] memory deallocationOrder = $.deallocationOrder;
uint256 deallocationOrderLength = deallocationOrder.length;
for (uint256 i = 0; i < deallocationOrderLength; i++) {
if (deallocationOrder[i] == strategy) {
return false;
}
}
return true;
}
/**
* @notice overwrites the deallocation order from strategies;
*/
function setDeallocationOrder(address[] calldata order) external {
SVLib.ConcreteStandardVaultImplStorage storage $ = SVLib.fetch();
delete $.deallocationOrder;
uint256 orderLength = order.length;
for (uint256 i = 0; i < orderLength; i++) {
address strategy = order[i];
require($.strategies.contains(strategy), IConcreteStandardVaultImpl.StrategyDoesNotExist());
require(
$.strategyData[strategy].status == IConcreteStandardVaultImpl.StrategyStatus.Active,
IConcreteStandardVaultImpl.StrategyIsHalted()
);
$.deallocationOrder.push(strategy);
}
emit IConcreteStandardVaultImpl.DeallocationOrderUpdated();
}
}// SPDX-License-Identifier: UNLICENSED
// OpenZeppelin Contracts (last updated v5.1.0) (utils/types/Time.sol)
pragma solidity ^0.8.24;
import {SafeCast} from "@openzeppelin-contracts/utils/math/SafeCast.sol";
/**
* @dev This library provides helpers for manipulating time-related objects.
*
* It uses the following types:
* - `uint48` for timepoints
*
*/
library Time {
/**
* @dev Get the block timestamp as a Timepoint.
*/
function timestamp() internal view returns (uint32) {
return SafeCast.toUint32(block.timestamp);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/types/Time.sol)
pragma solidity ^0.8.24;
import {IConcreteStandardVaultImpl} from "../../interface/IConcreteStandardVaultImpl.sol";
import {EnumerableSet} from "@openzeppelin-contracts/utils/structs/EnumerableSet.sol";
import {Hooks} from "../Hooks.sol";
library ConcreteStandardVaultImplStorageLib {
/// @dev keccak256(abi.encode(uint256(keccak256("concrete.storage.ConcreteStandardVaultImplStorage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ConcreteStandardVaultImplStorageLocation =
0xe74d828616eceb28be4a8cf3f9eeee868e1f44ce928ee17a9d7ad296fa52be00;
/// @custom:storage-location erc7201:concrete.storage.ConcreteStandardVaultImplStorage
struct ConcreteStandardVaultImplStorage {
/// @dev max deposit amount
uint256 maxDepositAmount;
/// @dev max withdraw amount
uint256 maxWithdrawAmount;
/// @dev min deposit amount
uint256 minDepositAmount;
/// @dev min withdraw amount
uint256 minWithdrawAmount;
/// @dev allocate module's address
address allocateModule;
/// 1 slot: 160 + 16 + 32
/// @dev management fee recipient
address managementFeeRecipient;
/// @dev annual management fee rate in basis points
uint16 managementFee;
/// @dev timestamp of last management fee accrual
uint32 lastManagementFeeAccrual;
/// 1 slot: 160 + 16
/// @dev performance fee recipient
address performanceFeeRecipient;
/// @dev annual performance fee rate in basis points
uint16 performanceFee;
/// @dev high water mark
uint128 performanceFeeHighWaterMark;
/// Mapping between a strategy address and it's data
mapping(address => IConcreteStandardVaultImpl.StrategyData) strategyData;
/// An set of strategy addresses that ConcreteVault allocates to
EnumerableSet.AddressSet strategies;
/// Defines the order in which funds are retrieved from strategies to fulfill withdrawals
address[] deallocationOrder;
/// @dev hooks
Hooks hooks;
}
/**
*
*/
function fetch() internal pure returns (ConcreteStandardVaultImplStorage storage $) {
assembly {
$.slot := ConcreteStandardVaultImplStorageLocation
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
interface IUpgradeableVault {
error AlreadyInitialized();
error NotFactory();
error NotInitialized();
error InvalidFactoryOwner();
/**
* @notice Get the factory's address.
* @return address of the factory
*/
function factory() external view returns (address);
/**
* @notice Get the vault's version.
* @return version of the vault
* @dev Starts from 1.
*/
function version() external view returns (uint64);
/**
* @notice Initialize `UpgradeableVaultProxy` contract by using a given data and setting a particular version and owner.
* @param initialVersion initial version of the vault
* @param owner initial owner of the vault
* @param data some data to use
*/
function initialize(uint64 initialVersion, address owner, bytes calldata data) external;
/**
* @notice Upgrade this vault to a specific newer version using a given data.
* @param newVersion new version of the vault
* @param data some data to use
*/
function upgrade(uint64 newVersion, bytes calldata data) external;
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
struct Hooks {
address target;
uint96 flags;
}
interface IHook {
// USER ACTION HOOKS
function preDeposit(address sender, uint256 assets, address receiver, uint256 totalAssets) external;
function preMint(address sender, uint256 shares, address receiver, uint256 totalAssets) external;
function preWithdraw(address sender, uint256 assets, address receiver, address owner, uint256 totalAssets) external;
function preRedeem(address sender, uint256 shares, address receiver, address owner, uint256 totalAssets) external;
function postDeposit(address sender, uint256 assets, uint256 shares, address receiver, uint256 totalAssets) external;
function postMint(address sender, uint256 assets, uint256 shares, address receiver, uint256 totalAssets) external;
function postWithdraw(address sender, uint256 assets, uint256 shares, address receiver, uint256 totalAssets)
external;
function postRedeem(address sender, uint256 assets, uint256 shares, address receiver, uint256 totalAssets) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC4626.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";
import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";
/**
* @dev Interface of the ERC-4626 "Tokenized Vault Standard", as defined in
* https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
*/
interface IERC4626 is IERC20, IERC20Metadata {
event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);
event Withdraw(
address indexed sender, address indexed receiver, address indexed owner, uint256 assets, uint256 shares
);
/**
* @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
*
* - MUST be an ERC-20 token contract.
* - MUST NOT revert.
*/
function asset() external view returns (address assetTokenAddress);
/**
* @dev Returns the total amount of the underlying asset that is “managed” by Vault.
*
* - SHOULD include any compounding that occurs from yield.
* - MUST be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT revert.
*/
function totalAssets() external view returns (uint256 totalManagedAssets);
/**
* @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
* scenario where all the conditions are met.
*
* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT show any variations depending on the caller.
* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
* - MUST NOT revert.
*
* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
* from.
*/
function convertToShares(uint256 assets) external view returns (uint256 shares);
/**
* @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
* scenario where all the conditions are met.
*
* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
* - MUST NOT show any variations depending on the caller.
* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
* - MUST NOT revert.
*
* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
* from.
*/
function convertToAssets(uint256 shares) external view returns (uint256 assets);
/**
* @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
* through a deposit call.
*
* - MUST return a limited value if receiver is subject to some deposit limit.
* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
* - MUST NOT revert.
*/
function maxDeposit(address receiver) external view returns (uint256 maxAssets);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
* current on-chain conditions.
*
* - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
* call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
* in the same transaction.
* - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
* deposit would be accepted, regardless if the user has enough tokens approved, etc.
* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by depositing.
*/
function previewDeposit(uint256 assets) external view returns (uint256 shares);
/**
* @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
*
* - MUST emit the Deposit event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* deposit execution, and are accounted for during deposit.
* - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
* approving enough underlying tokens to the Vault contract, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
*/
function deposit(uint256 assets, address receiver) external returns (uint256 shares);
/**
* @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
* - MUST return a limited value if receiver is subject to some mint limit.
* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
* - MUST NOT revert.
*/
function maxMint(address receiver) external view returns (uint256 maxShares);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
* current on-chain conditions.
*
* - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
* in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
* same transaction.
* - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
* would be accepted, regardless if the user has enough tokens approved, etc.
* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by minting.
*/
function previewMint(uint256 shares) external view returns (uint256 assets);
/**
* @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
*
* - MUST emit the Deposit event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
* execution, and are accounted for during mint.
* - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
* approving enough underlying tokens to the Vault contract, etc).
*
* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
*/
function mint(uint256 shares, address receiver) external returns (uint256 assets);
/**
* @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
* Vault, through a withdraw call.
*
* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
* - MUST NOT revert.
*/
function maxWithdraw(address owner) external view returns (uint256 maxAssets);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
* given current on-chain conditions.
*
* - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
* call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
* called
* in the same transaction.
* - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
* the withdrawal would be accepted, regardless if the user has enough shares, etc.
* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by depositing.
*/
function previewWithdraw(uint256 assets) external view returns (uint256 shares);
/**
* @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
*
* - MUST emit the Withdraw event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* withdraw execution, and are accounted for during withdraw.
* - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
* not having enough shares, etc).
*
* Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
* Those methods should be performed separately.
*/
function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);
/**
* @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
* through a redeem call.
*
* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
* - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
* - MUST NOT revert.
*/
function maxRedeem(address owner) external view returns (uint256 maxShares);
/**
* @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
* given current on-chain conditions.
*
* - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
* in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
* same transaction.
* - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
* redemption would be accepted, regardless if the user has enough shares, etc.
* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
* - MUST NOT revert.
*
* NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
* share price or some other type of condition, meaning the depositor will lose assets by redeeming.
*/
function previewRedeem(uint256 shares) external view returns (uint256 assets);
/**
* @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
*
* - MUST emit the Withdraw event.
* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
* redeem execution, and are accounted for during redeem.
* - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
* not having enough shares, etc).
*
* NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
* Those methods should be performed separately.
*/
function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (access/extensions/IAccessControlEnumerable.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "../IAccessControl.sol";
/**
* @dev External interface of AccessControlEnumerable declared to support ERC-165 detection.
*/
interface IAccessControlEnumerable is IAccessControl {
/**
* @dev Returns one of the accounts that have `role`. `index` must be a
* value between 0 and {getRoleMemberCount}, non-inclusive.
*
* Role bearers are not sorted in any particular way, and their ordering may
* change at any point.
*
* WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
* you perform all queries on the same block. See the following
* https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
* for more information.
*/
function getRoleMember(bytes32 role, uint256 index) external view returns (address);
/**
* @dev Returns the number of accounts that have `role`. Can be used
* together with {getRoleMember} to enumerate all bearers of a role.
*/
function getRoleMemberCount(bytes32 role) external view returns (uint256);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import {IMessageLibManager} from "./IMessageLibManager.sol";
import {IMessagingComposer} from "./IMessagingComposer.sol";
import {IMessagingChannel} from "./IMessagingChannel.sol";
import {IMessagingContext} from "./IMessagingContext.sol";
struct MessagingParams {
uint32 dstEid;
bytes32 receiver;
bytes message;
bytes options;
bool payInLzToken;
}
struct MessagingReceipt {
bytes32 guid;
uint64 nonce;
MessagingFee fee;
}
struct MessagingFee {
uint256 nativeFee;
uint256 lzTokenFee;
}
struct Origin {
uint32 srcEid;
bytes32 sender;
uint64 nonce;
}
interface ILayerZeroEndpointV2 is IMessageLibManager, IMessagingComposer, IMessagingChannel, IMessagingContext {
event PacketSent(bytes encodedPayload, bytes options, address sendLibrary);
event PacketVerified(Origin origin, address receiver, bytes32 payloadHash);
event PacketDelivered(Origin origin, address receiver);
event LzReceiveAlert(
address indexed receiver,
address indexed executor,
Origin origin,
bytes32 guid,
uint256 gas,
uint256 value,
bytes message,
bytes extraData,
bytes reason
);
event LzTokenSet(address token);
event DelegateSet(address sender, address delegate);
function quote(MessagingParams calldata _params, address _sender) external view returns (MessagingFee memory);
function send(MessagingParams calldata _params, address _refundAddress)
external
payable
returns (MessagingReceipt memory);
function verify(Origin calldata _origin, address _receiver, bytes32 _payloadHash) external;
function verifiable(Origin calldata _origin, address _receiver) external view returns (bool);
function initializable(Origin calldata _origin, address _receiver) external view returns (bool);
function lzReceive(
Origin calldata _origin,
address _receiver,
bytes32 _guid,
bytes calldata _message,
bytes calldata _extraData
) external payable;
// oapp can burn messages partially by calling this function with its own business logic if messages are verified in order
function clear(address _oapp, Origin calldata _origin, bytes32 _guid, bytes calldata _message) external;
function setLzToken(address _lzToken) external;
function lzToken() external view returns (address);
function nativeToken() external view returns (address);
function setDelegate(address _delegate) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol)
pragma solidity ^0.8.20;
/**
* @dev Helper library for emitting standardized panic codes.
*
* ```solidity
* contract Example {
* using Panic for uint256;
*
* // Use any of the declared internal constants
* function foo() { Panic.GENERIC.panic(); }
*
* // Alternatively
* function foo() { Panic.panic(Panic.GENERIC); }
* }
* ```
*
* Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil].
*
* _Available since v5.1._
*/
// slither-disable-next-line unused-state
library Panic {
/// @dev generic / unspecified error
uint256 internal constant GENERIC = 0x00;
/// @dev used by the assert() builtin
uint256 internal constant ASSERT = 0x01;
/// @dev arithmetic underflow or overflow
uint256 internal constant UNDER_OVERFLOW = 0x11;
/// @dev division or modulo by zero
uint256 internal constant DIVISION_BY_ZERO = 0x12;
/// @dev enum conversion error
uint256 internal constant ENUM_CONVERSION_ERROR = 0x21;
/// @dev invalid encoding in storage
uint256 internal constant STORAGE_ENCODING_ERROR = 0x22;
/// @dev empty array pop
uint256 internal constant EMPTY_ARRAY_POP = 0x31;
/// @dev array out of bounds access
uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32;
/// @dev resource error (too large allocation or too large array)
uint256 internal constant RESOURCE_ERROR = 0x41;
/// @dev calling invalid internal function
uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51;
/// @dev Reverts with a panic code. Recommended to use with
/// the internal constants with predefined codes.
function panic(uint256 code) internal pure {
assembly ("memory-safe") {
mstore(0x00, 0x4e487b71)
mstore(0x20, code)
revert(0x1c, 0x24)
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol";
import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";
import {ERC165Upgradeable} from "../utils/introspection/ERC165Upgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```solidity
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```solidity
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
* to enforce additional security measures for this role.
*/
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControl, ERC165Upgradeable {
struct RoleData {
mapping(address account => bool) hasRole;
bytes32 adminRole;
}
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/// @custom:storage-location erc7201:openzeppelin.storage.AccessControl
struct AccessControlStorage {
mapping(bytes32 role => RoleData) _roles;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControl")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant AccessControlStorageLocation =
0x02dd7bc7dec4dceedda775e58dd541e08a116c6c53815c0bd028192f7b626800;
function _getAccessControlStorage() private pure returns (AccessControlStorage storage $) {
assembly {
$.slot := AccessControlStorageLocation
}
}
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with an {AccessControlUnauthorizedAccount} error including the required role.
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
function __AccessControl_init() internal onlyInitializing {}
function __AccessControl_init_unchained() internal onlyInitializing {}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual returns (bool) {
AccessControlStorage storage $ = _getAccessControlStorage();
return $._roles[role].hasRole[account];
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`
* is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`
* is missing `role`.
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert AccessControlUnauthorizedAccount(account, role);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {
AccessControlStorage storage $ = _getAccessControlStorage();
return $._roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleGranted} event.
*/
function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleRevoked} event.
*/
function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*
* May emit a {RoleRevoked} event.
*/
function renounceRole(bytes32 role, address callerConfirmation) public virtual {
if (callerConfirmation != _msgSender()) {
revert AccessControlBadConfirmation();
}
_revokeRole(role, callerConfirmation);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
AccessControlStorage storage $ = _getAccessControlStorage();
bytes32 previousAdminRole = getRoleAdmin(role);
$._roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.
*
* Internal function without access restriction.
*
* May emit a {RoleGranted} event.
*/
function _grantRole(bytes32 role, address account) internal virtual returns (bool) {
AccessControlStorage storage $ = _getAccessControlStorage();
if (!hasRole(role, account)) {
$._roles[role].hasRole[account] = true;
emit RoleGranted(role, account, _msgSender());
return true;
} else {
return false;
}
}
/**
* @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked.
*
* Internal function without access restriction.
*
* May emit a {RoleRevoked} event.
*/
function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {
AccessControlStorage storage $ = _getAccessControlStorage();
if (hasRole(role, account)) {
$._roles[role].hasRole[account] = false;
emit RoleRevoked(role, account, _msgSender());
return true;
} else {
return false;
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/utils/Initializable.sol)
pragma solidity ^0.8.20;
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
* reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
* case an upgrade adds a module that needs to be initialized.
*
* For example:
*
* [.hljs-theme-light.nopadding]
* ```solidity
* contract MyToken is ERC20Upgradeable {
* function initialize() initializer public {
* __ERC20_init("MyToken", "MTK");
* }
* }
*
* contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
* function initializeV2() reinitializer(2) public {
* __ERC20Permit_init("MyToken");
* }
* }
* ```
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
* the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() {
* _disableInitializers();
* }
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Storage of the initializable contract.
*
* It's implemented on a custom ERC-7201 namespace to reduce the risk of storage collisions
* when using with upgradeable contracts.
*
* @custom:storage-location erc7201:openzeppelin.storage.Initializable
*/
struct InitializableStorage {
/**
* @dev Indicates that the contract has been initialized.
*/
uint64 _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool _initializing;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Initializable")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant INITIALIZABLE_STORAGE = 0xf0c57e16840df040f15088dc2f81fe391c3923bec73e23a9662efc9c229c6a00;
/**
* @dev The contract is already initialized.
*/
error InvalidInitialization();
/**
* @dev The contract is not initializing.
*/
error NotInitializing();
/**
* @dev Triggered when the contract has been initialized or reinitialized.
*/
event Initialized(uint64 version);
/**
* @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
* `onlyInitializing` functions can be used to initialize parent contracts.
*
* Similar to `reinitializer(1)`, except that in the context of a constructor an `initializer` may be invoked any
* number of times. This behavior in the constructor can be useful during testing and is not expected to be used in
* production.
*
* Emits an {Initialized} event.
*/
modifier initializer() {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
// Cache values to avoid duplicated sloads
bool isTopLevelCall = !$._initializing;
uint64 initialized = $._initialized;
// Allowed calls:
// - initialSetup: the contract is not in the initializing state and no previous version was
// initialized
// - construction: the contract is initialized at version 1 (no reininitialization) and the
// current contract is just being deployed
bool initialSetup = initialized == 0 && isTopLevelCall;
bool construction = initialized == 1 && address(this).code.length == 0;
if (!initialSetup && !construction) {
revert InvalidInitialization();
}
$._initialized = 1;
if (isTopLevelCall) {
$._initializing = true;
}
_;
if (isTopLevelCall) {
$._initializing = false;
emit Initialized(1);
}
}
/**
* @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
* contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
* used to initialize parent contracts.
*
* A reinitializer may be used after the original initialization step. This is essential to configure modules that
* are added through upgrades and that require initialization.
*
* When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
* cannot be nested. If one is invoked in the context of another, execution will revert.
*
* Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
* a contract, executing them in the right order is up to the developer or operator.
*
* WARNING: Setting the version to 2**64 - 1 will prevent any future reinitialization.
*
* Emits an {Initialized} event.
*/
modifier reinitializer(uint64 version) {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
if ($._initializing || $._initialized >= version) {
revert InvalidInitialization();
}
$._initialized = version;
$._initializing = true;
_;
$._initializing = false;
emit Initialized(version);
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} and {reinitializer} modifiers, directly or indirectly.
*/
modifier onlyInitializing() {
_checkInitializing();
_;
}
/**
* @dev Reverts if the contract is not in an initializing state. See {onlyInitializing}.
*/
function _checkInitializing() internal view virtual {
if (!_isInitializing()) {
revert NotInitializing();
}
}
/**
* @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
* Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
* to any version. It is recommended to use this to lock implementation contracts that are designed to be called
* through proxies.
*
* Emits an {Initialized} event the first time it is successfully executed.
*/
function _disableInitializers() internal virtual {
// solhint-disable-next-line var-name-mixedcase
InitializableStorage storage $ = _getInitializableStorage();
if ($._initializing) {
revert InvalidInitialization();
}
if ($._initialized != type(uint64).max) {
$._initialized = type(uint64).max;
emit Initialized(type(uint64).max);
}
}
/**
* @dev Returns the highest version that has been initialized. See {reinitializer}.
*/
function _getInitializedVersion() internal view returns (uint64) {
return _getInitializableStorage()._initialized;
}
/**
* @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
*/
function _isInitializing() internal view returns (bool) {
return _getInitializableStorage()._initializing;
}
/**
* @dev Returns a pointer to the storage namespace.
*/
// solhint-disable-next-line var-name-mixedcase
function _getInitializableStorage() private pure returns (InitializableStorage storage $) {
assembly {
$.slot := INITIALIZABLE_STORAGE
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
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 value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` 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 value) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC-20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {IERC20Errors} from "@openzeppelin/contracts/interfaces/draft-IERC6093.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC-20
* applications.
*/
abstract contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20, IERC20Metadata, IERC20Errors {
/// @custom:storage-location erc7201:openzeppelin.storage.ERC20
struct ERC20Storage {
mapping(address account => uint256) _balances;
mapping(address account => mapping(address spender => uint256)) _allowances;
uint256 _totalSupply;
string _name;
string _symbol;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ERC20")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ERC20StorageLocation = 0x52c63247e1f47db19d5ce0460030c497f067ca4cebf71ba98eeadabe20bace00;
function _getERC20Storage() private pure returns (ERC20Storage storage $) {
assembly {
$.slot := ERC20StorageLocation
}
}
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
__ERC20_init_unchained(name_, symbol_);
}
function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
ERC20Storage storage $ = _getERC20Storage();
$._name = name_;
$._symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
ERC20Storage storage $ = _getERC20Storage();
return $._name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
ERC20Storage storage $ = _getERC20Storage();
return $._symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual returns (uint256) {
ERC20Storage storage $ = _getERC20Storage();
return $._totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual returns (uint256) {
ERC20Storage storage $ = _getERC20Storage();
return $._balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `value`.
*/
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual returns (uint256) {
ERC20Storage storage $ = _getERC20Storage();
return $._allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Skips emitting an {Approval} event indicating an allowance update. This is not
* required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `value`.
* - the caller must have allowance for ``from``'s tokens of at least
* `value`.
*/
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
/**
* @dev Moves a `value` amount of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
/**
* @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
* (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
* this function.
*
* Emits a {Transfer} event.
*/
function _update(address from, address to, uint256 value) internal virtual {
ERC20Storage storage $ = _getERC20Storage();
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
$._totalSupply += value;
} else {
uint256 fromBalance = $._balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
$._balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
$._totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
$._balances[to] += value;
}
}
emit Transfer(from, to, value);
}
/**
* @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
* Relies on the `_update` mechanism
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
* Relies on the `_update` mechanism.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead
*/
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
/**
* @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*
* Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
*/
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
/**
* @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
*
* By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
* `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
* `Approval` event during `transferFrom` operations.
*
* Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
* true using the following override:
*
* ```solidity
* function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
* super._approve(owner, spender, value, true);
* }
* ```
*
* Requirements are the same as {_approve}.
*/
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
ERC20Storage storage $ = _getERC20Storage();
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
$._allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `value`.
*
* Does not update the allowance value in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Does not emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance < type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 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 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(IERC1363 token, address from, address to, uint256 value, bytes memory data)
internal
{
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @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).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @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).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)
pragma solidity ^0.8.20;
/**
* @dev Collection of common custom errors used in multiple contracts
*
* IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
* It is recommended to avoid relying on the error API for critical functionality.
*
* _Available since v5.1._
*/
library Errors {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error InsufficientBalance(uint256 balance, uint256 needed);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedCall();
/**
* @dev The deployment failed.
*/
error FailedDeployment();
/**
* @dev A necessary precompile is missing.
*/
error MissingPrecompile(address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @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;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.24;
/**
* @title IAllocateModule
* @dev Interface for the AllocateModule contract that handles fund allocation and deallocation across multiple strategies.
* @dev This module enables the vault to efficiently manage funds across different yield-generating strategies
* by batching multiple allocation/deallocation operations in a single transaction.
*
* @notice The AllocateModule serves as a coordinator for strategy operations, allowing the vault to:
* - Allocate funds to multiple strategies in a single call
* - Deallocate funds from multiple strategies in a single call
* - Maintain accurate accounting of allocated amounts per strategy
*
* @notice This module is typically used during rebalancing operations where the vault needs to
* adjust allocations across multiple strategies based on current market conditions,
* strategy performance, or allocation targets.
*/
interface IAllocateModule {
/**
* @dev Emitted when funds are allocated or deallocated from a strategy.
*
* @param strategy The address of the strategy contract.
* @param isDeposit True if this is an allocation (deposit) operation, false if it's a deallocation (withdrawal).
* @param amount The amount of funds allocated or deallocated.
* @param extraData Arbitrary calldata passed to the strategy's allocateFunds or deallocateFunds function.
*/
event AllocatedFunds(address indexed strategy, bool indexed isDeposit, uint256 amount, bytes extraData);
/**
* @dev Structure containing parameters for a single allocation or deallocation operation.
*
* @param isDeposit True if this is an allocation (deposit) operation, false if it's a deallocation (withdrawal).
* @param strategy The address of the strategy contract to interact with.
* @param extraData Arbitrary calldata to pass to the strategy's allocateFunds or deallocateFunds function.
* This allows for strategy-specific parameters like slippage tolerance, routing info, etc.
*/
struct AllocateParams {
bool isDeposit;
address strategy;
bytes extraData;
}
/**
* @dev Executes multiple allocation and deallocation operations across different strategies in a single transaction.
* @dev This function processes an array of allocation parameters, calling the appropriate strategy functions
* and updating the vault's internal accounting for each strategy.
*
* @param data ABI-encoded array of AllocateParams structures containing the operations to execute.
* Each AllocateParams specifies whether to allocate or deallocate funds, which strategy to use,
* and any additional data required by the strategy.
*
* @notice The function iterates through all provided parameters and:
* - For deposits (isDeposit = true): Calls strategy.allocateFunds() and increases allocated amount
* - For withdrawals (isDeposit = false): Calls strategy.deallocateFunds() and decreases allocated amount
*
* @notice All operations are executed atomically - if any single operation fails, the entire transaction reverts.
*
* @notice The function updates the vault's internal strategy accounting to track the total amount
* allocated to each strategy, which is used for yield calculation and strategy limits.
*/
function allocateFunds(bytes calldata data) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
import {ContextUpgradeable} from "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* The initial owner is set to the address provided by the deployer. This can
* later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
/// @custom:storage-location erc7201:openzeppelin.storage.Ownable
struct OwnableStorage {
address _owner;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.Ownable")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant OwnableStorageLocation =
0x9016d09d72d40fdae2fd8ceac6b6234c7706214fd39c1cd1e609a0528c199300;
function _getOwnableStorage() private pure returns (OwnableStorage storage $) {
assembly {
$.slot := OwnableStorageLocation
}
}
/**
* @dev The caller account is not authorized to perform an operation.
*/
error OwnableUnauthorizedAccount(address account);
/**
* @dev The owner is not a valid owner account. (eg. `address(0)`)
*/
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the address provided by the deployer as the initial owner.
*/
function __Ownable_init(address initialOwner) internal onlyInitializing {
__Ownable_init_unchained(initialOwner);
}
function __Ownable_init_unchained(address initialOwner) internal onlyInitializing {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
OwnableStorage storage $ = _getOwnableStorage();
return $._owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
OwnableStorage storage $ = _getOwnableStorage();
address oldOwner = $._owner;
$._owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @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 EIP-1153 (transient storage) is available on the chain you're deploying at,
* consider using {ReentrancyGuardTransient} instead.
*
* 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 ReentrancyGuardUpgradeable is Initializable {
// 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;
/// @custom:storage-location erc7201:openzeppelin.storage.ReentrancyGuard
struct ReentrancyGuardStorage {
uint256 _status;
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.ReentrancyGuard")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ReentrancyGuardStorageLocation =
0x9b779b17422d0df92223018b32b4d1fa46e071723d6817e2486d003becc55f00;
function _getReentrancyGuardStorage() private pure returns (ReentrancyGuardStorage storage $) {
assembly {
$.slot := ReentrancyGuardStorageLocation
}
}
/**
* @dev Unauthorized reentrant call.
*/
error ReentrancyGuardReentrantCall();
function __ReentrancyGuard_init() internal onlyInitializing {
__ReentrancyGuard_init_unchained();
}
function __ReentrancyGuard_init_unchained() internal onlyInitializing {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
$._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() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
// On the first call to nonReentrant, _status will be NOT_ENTERED
if ($._status == ENTERED) {
revert ReentrancyGuardReentrantCall();
}
// Any calls to nonReentrant after this point will fail
$._status = ENTERED;
}
function _nonReentrantAfter() private {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
$._status = NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
ReentrancyGuardStorage storage $ = _getReentrancyGuardStorage();
return $._status == ENTERED;
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {AccessControlUpgradeable} from "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import {
AccessControlEnumerableUpgradeable
} from "@openzeppelin/contracts-upgradeable/access/extensions/AccessControlEnumerableUpgradeable.sol";
import {IAccessControl} from "@openzeppelin/contracts/access/IAccessControl.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
library ACL_OZ_5_2_0_Lib {
using EnumerableSet for EnumerableSet.AddressSet;
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControl")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant AccessControlStorageLocation =
0x02dd7bc7dec4dceedda775e58dd541e08a116c6c53815c0bd028192f7b626800;
function __getAccessControlStorage()
private
pure
returns (AccessControlUpgradeable.AccessControlStorage storage $)
{
assembly {
$.slot := AccessControlStorageLocation
}
}
// keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessControlEnumerable")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant AccessControlEnumerableStorageLocation =
0xc1f6fe24621ce81ec5827caf0253cadb74709b061630e6b55e82371705932000;
function __getAccessControlEnumerableStorage()
private
pure
returns (AccessControlEnumerableUpgradeable.AccessControlEnumerableStorage storage $)
{
assembly {
$.slot := AccessControlEnumerableStorageLocation
}
}
/**
* @dev Overload {AccessControl-_grantRole} to track enumerable memberships
*/
function _grantRole(bytes32 role, address account, address sender) internal returns (bool) {
AccessControlEnumerableUpgradeable.AccessControlEnumerableStorage storage $ace =
__getAccessControlEnumerableStorage();
bool granted = __grantRole(role, account, sender);
if (granted) {
$ace._roleMembers[role].add(account);
}
return granted;
}
function __grantRole(bytes32 role, address account, address sender) private returns (bool) {
AccessControlUpgradeable.AccessControlStorage storage $ac = __getAccessControlStorage();
if (!__hasRole(role, account)) {
$ac._roles[role].hasRole[account] = true;
emit IAccessControl.RoleGranted(role, account, sender);
return true;
} else {
return false;
}
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function __hasRole(bytes32 role, address account) private view returns (bool) {
AccessControlUpgradeable.AccessControlStorage storage $ac = __getAccessControlStorage();
return $ac._roles[role].hasRole[account];
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function __getRoleAdmin(bytes32 role) private view returns (bytes32) {
AccessControlUpgradeable.AccessControlStorage storage $ac = __getAccessControlStorage();
return $ac._roles[role].adminRole;
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal {
AccessControlUpgradeable.AccessControlStorage storage $ac = __getAccessControlStorage();
bytes32 previousAdminRole = __getRoleAdmin(role);
$ac._roles[role].adminRole = adminRole;
emit IAccessControl.RoleAdminChanged(role, previousAdminRole, adminRole);
}
}// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
library ConcreteAsyncVaultImplStorageLib {
/// @dev keccak256(abi.encode(uint256(keccak256("concrete.storage.ConcreteAsyncVaultImplStorage")) - 1)) & ~bytes32(uint256(0xff))
bytes32 private constant ConcreteAsyncVaultImplStorageLocation =
0x0ada5b606f7944319310c49c0f9f30d6272793a991bd2b9c3db8049867746700;
/// @custom:storage-location erc7201:concrete.storage.ConcreteAsyncVaultImplStorage
struct ConcreteAsyncVaultImplStorage {
// Current epoch ID for async withdrawals
uint256 latestEpochID;
// Assets available for past withdrawals (denominated in underlying asset)
uint256 pastEpochsUnclaimedAssets;
// Mapping from epoch ID to total shares requested in that epoch
mapping(uint256 => uint256) totalRequestedSharesPerEpoch;
// Mapping from user address to epoch ID to shares requested
mapping(address user => mapping(uint256 epochID => uint256 shares)) userEpochRequests;
// Mapping from epoch ID to share price when that epoch was processed
mapping(uint256 => uint256) epochPricePerSharePlusOne;
// Whether the queue is active
bool isQueueActive;
}
/**
* @dev Returns the storage struct for ConcreteAsyncVaultImpl
*/
function fetch() internal pure returns (ConcreteAsyncVaultImplStorage storage $) {
assembly {
$.slot := ConcreteAsyncVaultImplStorageLocation
}
}
}// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import {IConcreteStandardVaultImpl} from "./IConcreteStandardVaultImpl.sol";
/**
* @title IConcreteAsyncVaultImpl
* @dev Interface for the async vault implementation that provides epoch-based withdrawal management.
* @dev This interface extends the standard vault functionality with asynchronous withdrawal capabilities,
* allowing for better liquidity management and batch processing of withdrawal requests.
* @dev Users submit withdrawal requests that are queued in epochs, processed by allocators when liquidity
* is available, and then claimed by users after processing is complete.
*/
interface IConcreteAsyncVaultImpl is IConcreteStandardVaultImpl {
enum EpochState {
// Epoch is not active
Inactive,
// An epoch is active if it is receiving requests and is not closed
Active,
// An epoch is processing if it is closed (cannot receive requests anymore) and has not been processed
Processing,
// An epoch is processed if it has been processed and has a price locked
Processed
}
/**
* @dev Thrown when attempting to operate on a zero address.
*/
error ZeroAddress();
/**
* @dev Thrown when attempting to withdraw zero shares.
*/
error ZeroShares();
/**
* @dev Thrown when attempting to operate on an epoch with no requesting shares.
*/
error NoRequestingShares();
/**
* @dev Thrown when attempting to claim a request that is not claimable.
*/
error NoClaimableRequest();
/**
* @dev Thrown when there are no redeemable assets available.
*/
error NoRedeemableAssets();
/**
* @dev Thrown when attempting to roll to next epoch while current epoch is not processed.
*/
error EpochNotProcessed(uint256 epochID);
/**
* @dev Thrown when attempting to cancel a request for an epoch that has already been processed.
*/
error EpochAlreadyProcessed(uint256 epochID);
/**
* @dev Thrown when attempting to claim with empty epoch IDs.
*/
error EmptyEpochIDs();
/**
* @dev Thrown when attempting to claim with empty users.
*/
error EmptyUsers();
/**
* @dev Emitted when the withdrawal queue is initialized.
* @param epochID The initial epoch ID.
*/
event WithdrawalQueueInitialized(uint256 epochID);
/**
* @dev Thrown when attempting to close an epoch that and previous epoch was not processed.
*/
error PreviousEpochNotProcessed(uint256 epochID);
/**
* @dev Thrown when attempting to process an epoch that was already processed.
*/
error PreviousEpochAlreadyProcessed(uint256 epochID);
/**
* @dev Thrown when attempting to process an epoch that is already closed.
* @param epochID The epoch that was already closed.
*/
error EpochAlreadyClosed(uint256 epochID);
/**
* @dev Thrown when attempting to process an epoch that is still open.
* @param epochID The epoch that was still open.
*/
error EpochStillOpen(uint256 epochID);
/**
* @dev Emitted when a user submits a withdrawal request that is queued for epoch processing.
* @param owner The address of the user making the request.
* @param assets The amount of assets requested for withdrawal.
* @param shares The amount of shares transferred to the vault for the request.
* @param epochID The epoch in which the request was queued.
*/
event QueuedWithdrawal(
address indexed caller,
address indexed receiver,
address indexed owner,
uint256 assets,
uint256 shares,
uint256 epochID
);
/**
* @dev Emitted when a user cancels their pending withdrawal request.
* @param owner The address of the user cancelling the request.
* @param shares The amount of shares returned to the user.
* @param epochID The epoch from which the request was cancelled.
*/
event RequestCancelled(address indexed owner, uint256 shares, uint256 epochID);
/**
* @dev Emitted when a user claims their processed withdrawal request.
* @param owner The address of the user claiming the withdrawal.
* @param assets The amount of assets transferred to the user.
* @param epochIDs The epoch IDs from which the request was claimed.
*/
event RequestClaimed(address indexed owner, uint256 assets, uint256[] epochIDs);
/**
* @dev Emitted when an epoch's withdrawal requests are processed.
* @param epochID The epoch ID that was processed.
* @param shares The total shares processed in the epoch.
* @param assets The total assets reserved for the epoch.
* @param sharePrice The share price locked for the epoch.
*/
event EpochProcessed(uint256 epochID, uint256 shares, uint256 assets, uint256 sharePrice);
/**
* @dev Emitted when a user's request is moved to the next epoch.
* @param user The address of the user whose request was moved.
* @param shares The amount of shares moved.
* @param currentEpochID The epoch from which the request was moved.
* @param nextEpochID The epoch to which the request was moved.
*/
event RequestMovedToNextEpoch(address indexed user, uint256 shares, uint256 currentEpochID, uint256 nextEpochID);
/**
* @dev Emitted when an epoch is closed.
* @param epochID The epoch that was closed.
*/
event EpochClosed(uint256 epochID);
/**
* @dev Emitted when the queue is toggled.
* @param isQueueActive The active status of the queue.
*/
event QueueActiveToggled(bool isQueueActive);
/**
* @dev This struct definition is maintained for interface compatibility.
*/
struct RedeemRequest {
uint256 requestEpoch;
uint256 requestShares;
}
/**
* @notice Cancel pending redeem request for a specific epoch (only unprocessed epochs)
* @dev Users can only cancel requests from epochs that haven't been processed yet (no price locked)
* @dev Returns shares back to the user and updates epoch accounting
* @param user The user address to cancel the request for
* @param epochID The epoch ID from which to cancel the request
*/
function cancelRequest(address user, uint256 epochID) external;
/**
* @notice Cancel pending redeem request for a specific epoch (only unprocessed epochs)
* @dev Users can only cancel requests from epochs that haven't been processed yet (no price locked)
* @dev Returns shares back to the user and updates epoch accounting
* @param epochID The epoch ID from which to cancel the request
*/
function cancelRequest(uint256 epochID) external;
/**
* @notice Claim processed redeem requests from specified epochs
* @dev Processes each epoch internally, aggregates assets and shares, then burns and transfers once
* @dev More gas efficient than claiming epochs individually
* @dev Skips epochs with no claimable amounts (zero shares or unprocessed epochs)
* @param epochIDs Array of epoch IDs to claim from
*/
function claimWithdrawal(uint256[] calldata epochIDs) external;
/**
* @notice Claim processed redeem requests from specified epochs
* @dev Processes each epoch internally, aggregates assets and shares, then burns and transfers once
* @dev More gas efficient than claiming epochs individually
* @dev Skips epochs with no claimable amounts (zero shares or unprocessed epochs)
* @param user The user address to claim from
* @param epochIDs Array of epoch IDs to claim from
*/
function claimWithdrawal(address user, uint256[] calldata epochIDs) external;
/**
* @notice Close the current epoch
* @dev Only callable by WITHDRAWAL_MANAGER role
* @dev Closes the current epoch and increments the epoch ID
* @dev Can only be called if the previous epoch is processed (!)
*/
function closeEpoch() external;
/**
* @notice Process all pending redeem requests for a specific epoch
* @dev Harvests all strategies to get current accurate pricing before processing
* @dev Calculates share price and reserves required assets for the epoch
* @dev Can process any epoch with pending requests, enabling historical processing
* @dev Only callable by ALLOCATOR role
*/
function processEpoch() external;
/**
* @notice Move a user's request to the next epoch
* @param user The user address to move the request for
*/
function moveRequestToNextEpoch(address user) external;
/**
* @notice Get claimable redeem request from a specific epoch
* @dev Returns the amount of assets claimable by the caller from the specified epoch
* @dev Returns 0 if epoch is not processed, no request exists, or epoch is current/future
* @param epochID The epoch ID to check
* @return assets The amount of assets claimable from the epoch
*/
function getUserEpochRequestInAssets(address user, uint256 epochID) external view returns (uint256 assets);
/**
* @notice Get user's redeem request for a specific epoch
* @dev Returns the amount of shares requested by the specified user in the epoch
* @param user The user address to check
* @param epochID The epoch ID to check
* @return shares The amount of shares requested by the user in the epoch
*/
function getUserEpochRequest(address user, uint256 epochID) external view returns (uint256 shares);
/**
* @notice Get the state of an epoch
* @dev Returns the state of an epoch
* @param epochID The epoch ID to check
* @return The state of the epoch
*/
function getEpochState(uint256 epochID) external view returns (EpochState);
/**
* @notice Get current epoch ID
* @dev New withdrawal requests are queued in this epoch
* @return The current epoch ID
*/
function latestEpochID() external view returns (uint256);
/**
* @notice Get total redeemable assets from past epochs
* @dev This amount is subtracted from totalAssets() to exclude reserved funds from active vault operations
* @return The total assets reserved for past epoch claims
*/
function pastEpochsUnclaimedAssets() external view returns (uint256);
/**
* @notice Get total requested shares in a specific epoch
* @dev Returns the total shares from all users that requested withdrawal in the epoch
* @dev Returns 0 after epoch is processed (shares moved to requestingSharesInPast)
* @param epochID The epoch ID to check
* @return The total shares requested in the epoch
*/
function totalRequestedSharesPerEpoch(uint256 epochID) external view returns (uint256);
/**
* @notice Get total requested shares in the active and processing epochs
* @dev Returns the total shares from all users that requested withdrawal in the active and processing epochs
* @return activeShares The total shares requested in the active epoch
* @return processingShares The total shares requested in the processing epoch
* @return processedShares The total shares requested in the last processed epoch
*/
function totalRequestedSharesForCurrentEpochs()
external
view
returns (uint256 activeShares, uint256 processingShares, uint256 processedShares);
/**
* @notice Get share price for a specific epoch
* @dev Returns the share price that was locked when the epoch was processed
* @dev Returns 0 if the epoch has not been processed yet
* @param epochID The epoch ID to check
* @return The share price locked when the epoch was processed (in assets per 1e18 shares)
*/
function getEpochPricePerShare(uint256 epochID) external view returns (uint256);
/**
* @notice Get whether the queue is active
* @dev Returns true if the queue is active, false otherwise
* @return The active status of the queue
*/
function isQueueActive() external view returns (bool);
/**
* @notice Toggle the active status of the queue
* @dev Only callable by the ALLOCATOR role
*/
function toggleQueueActive() external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (access/IAccessControl.sol)
pragma solidity ^0.8.20;
/**
* @dev External interface of AccessControl declared to support ERC-165 detection.
*/
interface IAccessControl {
/**
* @dev The `account` is missing a role.
*/
error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);
/**
* @dev The caller of a function is not the expected one.
*
* NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
*/
error AccessControlBadConfirmation();
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call. This account bears the admin role (for the granted role).
* Expected in cases where the role was granted using the internal {AccessControl-_grantRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*/
function renounceRole(bytes32 role, address callerConfirmation) external;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
struct SetConfigParam {
uint32 eid;
uint32 configType;
bytes config;
}
interface IMessageLibManager {
struct Timeout {
address lib;
uint256 expiry;
}
event LibraryRegistered(address newLib);
event DefaultSendLibrarySet(uint32 eid, address newLib);
event DefaultReceiveLibrarySet(uint32 eid, address newLib);
event DefaultReceiveLibraryTimeoutSet(uint32 eid, address oldLib, uint256 expiry);
event SendLibrarySet(address sender, uint32 eid, address newLib);
event ReceiveLibrarySet(address receiver, uint32 eid, address newLib);
event ReceiveLibraryTimeoutSet(address receiver, uint32 eid, address oldLib, uint256 timeout);
function registerLibrary(address _lib) external;
function isRegisteredLibrary(address _lib) external view returns (bool);
function getRegisteredLibraries() external view returns (address[] memory);
function setDefaultSendLibrary(uint32 _eid, address _newLib) external;
function defaultSendLibrary(uint32 _eid) external view returns (address);
function setDefaultReceiveLibrary(uint32 _eid, address _newLib, uint256 _gracePeriod) external;
function defaultReceiveLibrary(uint32 _eid) external view returns (address);
function setDefaultReceiveLibraryTimeout(uint32 _eid, address _lib, uint256 _expiry) external;
function defaultReceiveLibraryTimeout(uint32 _eid) external view returns (address lib, uint256 expiry);
function isSupportedEid(uint32 _eid) external view returns (bool);
function isValidReceiveLibrary(address _receiver, uint32 _eid, address _lib) external view returns (bool);
/// ------------------- OApp interfaces -------------------
function setSendLibrary(address _oapp, uint32 _eid, address _newLib) external;
function getSendLibrary(address _sender, uint32 _eid) external view returns (address lib);
function isDefaultSendLibrary(address _sender, uint32 _eid) external view returns (bool);
function setReceiveLibrary(address _oapp, uint32 _eid, address _newLib, uint256 _gracePeriod) external;
function getReceiveLibrary(address _receiver, uint32 _eid) external view returns (address lib, bool isDefault);
function setReceiveLibraryTimeout(address _oapp, uint32 _eid, address _lib, uint256 _expiry) external;
function receiveLibraryTimeout(address _receiver, uint32 _eid) external view returns (address lib, uint256 expiry);
function setConfig(address _oapp, address _lib, SetConfigParam[] calldata _params) external;
function getConfig(address _oapp, address _lib, uint32 _eid, uint32 _configType)
external
view
returns (bytes memory config);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IMessagingComposer {
event ComposeSent(address from, address to, bytes32 guid, uint16 index, bytes message);
event ComposeDelivered(address from, address to, bytes32 guid, uint16 index);
event LzComposeAlert(
address indexed from,
address indexed to,
address indexed executor,
bytes32 guid,
uint16 index,
uint256 gas,
uint256 value,
bytes message,
bytes extraData,
bytes reason
);
function composeQueue(address _from, address _to, bytes32 _guid, uint16 _index)
external
view
returns (bytes32 messageHash);
function sendCompose(address _to, bytes32 _guid, uint16 _index, bytes calldata _message) external;
function lzCompose(
address _from,
address _to,
bytes32 _guid,
uint16 _index,
bytes calldata _message,
bytes calldata _extraData
) external payable;
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IMessagingChannel {
event InboundNonceSkipped(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce);
event PacketNilified(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
event PacketBurnt(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
function eid() external view returns (uint32);
// this is an emergency function if a message cannot be verified for some reasons
// required to provide _nextNonce to avoid race condition
function skip(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce) external;
function nilify(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;
function burn(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;
function nextGuid(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (bytes32);
function inboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
function outboundNonce(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (uint64);
function inboundPayloadHash(address _receiver, uint32 _srcEid, bytes32 _sender, uint64 _nonce)
external
view
returns (bytes32);
function lazyInboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
}// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IMessagingContext {
function isSendingMessage() external view returns (bool);
function getSendContext() external view returns (uint32 dstEid, address sender);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
import {Initializable} from "../proxy/utils/Initializable.sol";
/**
* @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 ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {}
function __Context_init_unchained() internal onlyInitializing {}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/ERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC-165 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);
* }
* ```
*/
abstract contract ERC165Upgradeable is Initializable, IERC165 {
function __ERC165_init() internal onlyInitializing {}
function __ERC165_init_unchained() internal onlyInitializing {}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
/**
* @dev Standard ERC-20 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
*/
interface IERC20Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC20InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC20InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
* @param spender Address that may be allowed to operate on tokens without being their owner.
* @param allowance Amount of tokens a `spender` is allowed to operate with.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC20InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `spender` to be approved. Used in approvals.
* @param spender Address that may be allowed to operate on tokens without being their owner.
*/
error ERC20InvalidSpender(address spender);
}
/**
* @dev Standard ERC-721 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
*/
interface IERC721Errors {
/**
* @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
* Used in balance queries.
* @param owner Address of the current owner of a token.
*/
error ERC721InvalidOwner(address owner);
/**
* @dev Indicates a `tokenId` whose `owner` is the zero address.
* @param tokenId Identifier number of a token.
*/
error ERC721NonexistentToken(uint256 tokenId);
/**
* @dev Indicates an error related to the ownership over a particular token. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param tokenId Identifier number of a token.
* @param owner Address of the current owner of a token.
*/
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC721InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC721InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param tokenId Identifier number of a token.
*/
error ERC721InsufficientApproval(address operator, uint256 tokenId);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC721InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC721InvalidOperator(address operator);
}
/**
* @dev Standard ERC-1155 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
*/
interface IERC1155Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
* @param tokenId Identifier number of a token.
*/
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC1155InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC1155InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param owner Address of the current owner of a token.
*/
error ERC1155MissingApprovalForAll(address operator, address owner);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC1155InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC1155InvalidOperator(address operator);
/**
* @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
* Used in batch transfers.
* @param idsLength Length of the array of token identifiers
* @param valuesLength Length of the array of token amounts
*/
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* 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[ERC 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-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";{
"remappings": [
"erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
"@openzeppelin-upgradeable/=node_modules/@openzeppelin/contracts-upgradeable/",
"@openzeppelin-contracts/=node_modules/@openzeppelin/contracts/",
"openzeppelin-foundry-upgrades/=node_modules/@openzeppelin/foundry-upgrades/",
"solidity-bytes-utils/=node_modules/solidity-bytes-utils/",
"@layerzerolabs/lz-evm-protocol-v2/=node_modules/@layerzerolabs/lz-evm-protocol-v2/",
"@layerzerolabs/lz-evm-messagelib-v2/=node_modules/@layerzerolabs/lz-evm-messagelib-v2/",
"@layerzerolabs/lz-evm-v1-0.7/=node_modules/@layerzerolabs/lz-evm-v1-0.7/",
"@layerzerolabs/oapp-evm/=node_modules/@layerzerolabs/oapp-evm/",
"@layerzerolabs/oapp-evm-upgradeable/=node_modules/@layerzerolabs/oapp-evm-upgradeable/",
"@layerzerolabs/test-devtools-evm-foundry/=node_modules/@layerzerolabs/test-devtools-evm-foundry/",
"@axelar-network/=node_modules/@axelar-network/",
"@chainlink/=node_modules/@chainlink/",
"@eth-optimism/=node_modules/@eth-optimism/",
"@openzeppelin/=node_modules/@openzeppelin/",
"devtools/=lib/devtools/packages/toolbox-foundry/src/",
"hardhat-deploy/=node_modules/hardhat-deploy/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": true,
"runs": 190
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "prague",
"viaIR": false,
"libraries": {
"src/implementation/ConcretePredepositVaultImpl.sol": {
"StateInitLib": "0x339968acfe5f4a81834fe49e2ad2b945f5486a35",
"StateSetterLib": "0x477342ebd1ffcd0447179bb5d37c9ab5138c153f"
}
}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"factory","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"uint256","name":"minDepositAmount","type":"uint256"},{"internalType":"uint256","name":"maxDepositAmount","type":"uint256"}],"name":"AssetAmountOutOfBounds","type":"error"},{"inputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"name":"BadAddressArrayLength","type":"error"},{"inputs":[],"name":"CannotToggleInactiveStrategy","type":"error"},{"inputs":[],"name":"DepositsNotLocked","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"}],"name":"ERC4626ExceededMaxDeposit","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"}],"name":"ERC4626ExceededMaxMint","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"}],"name":"ERC4626ExceededMaxRedeem","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"}],"name":"ERC4626ExceededMaxWithdraw","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[],"name":"FeeRecipientNotSet","type":"error"},{"inputs":[],"name":"InsufficientAssets","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InsufficientShares","type":"error"},{"inputs":[],"name":"InvalidAllocateModule","type":"error"},{"inputs":[],"name":"InvalidAsset","type":"error"},{"inputs":[],"name":"InvalidDepositLimits","type":"error"},{"inputs":[],"name":"InvalidFactoryOwner","type":"error"},{"inputs":[],"name":"InvalidFeeRecipient","type":"error"},{"inputs":[],"name":"InvalidInitialVaultManager","type":"error"},{"inputs":[],"name":"InvalidInitialization","type":"error"},{"inputs":[],"name":"InvalidName","type":"error"},{"inputs":[],"name":"InvalidReceiver","type":"error"},{"inputs":[],"name":"InvalidStrategyAsset","type":"error"},{"inputs":[],"name":"InvalidSymbol","type":"error"},{"inputs":[],"name":"InvalidUserAddress","type":"error"},{"inputs":[],"name":"InvalidWithdrawLimits","type":"error"},{"inputs":[],"name":"ManagementFeeExceedsMaximum","type":"error"},{"inputs":[],"name":"NoSharesInBatch","type":"error"},{"inputs":[],"name":"NoSharesToClaim","type":"error"},{"inputs":[],"name":"NotFactory","type":"error"},{"inputs":[],"name":"NotInitialized","type":"error"},{"inputs":[],"name":"NotInitializing","type":"error"},{"inputs":[],"name":"OAppNotSet","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[],"name":"PerformanceFeeExceedsMaximum","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"SelfClaimsDisabled","type":"error"},{"inputs":[],"name":"StrategyAlreadyAdded","type":"error"},{"inputs":[],"name":"StrategyAlreadyHalted","type":"error"},{"inputs":[],"name":"StrategyDoesNotExist","type":"error"},{"inputs":[],"name":"StrategyHasAllocation","type":"error"},{"inputs":[],"name":"StrategyIsHalted","type":"error"},{"inputs":[],"name":"WithdrawalsNotLocked","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[],"name":"DeallocationOrderUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"maxDepositAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"minDepositAmount","type":"uint256"}],"name":"DepositLimitsUpdated","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"uint96","name":"flags","type":"uint96"}],"indexed":false,"internalType":"struct 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IConcreteStandardVaultImpl.StrategyData","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalAllocated","outputs":[{"internalType":"uint256","name":"totalAllocated","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getWithdrawLimits","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint64","name":"initialVersion","type":"uint64"},{"internalType":"address","name":"owner_","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"managementFee","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"maxMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"maxRedeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"maxWithdraw","outputs":[{"internalType":"uint256","name":"maxAssets","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"performanceFee","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"previewAccrueYield","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"previewDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"previewMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"}],"name":"previewRedeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"}],"name":"previewWithdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"strategy","type":"address"}],"name":"removeStrategy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"callerConfirmation","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","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Hooks","name":"hooks","type":"tuple"}],"name":"setHooks","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"oappAddress","type":"address"}],"name":"setOApp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setSelfClaimsEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"minWithdrawAmount","type":"uint256"},{"internalType":"uint256","name":"maxWithdrawAmount","type":"uint256"}],"name":"setWithdrawLimits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"strategy","type":"address"}],"name":"toggleStrategyStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalAssets","outputs":[{"internalType":"uint256","name":"totalAssetsWithYield","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"managementFee_","type":"uint16"}],"name":"updateManagementFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"}],"name":"updateManagementFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"performanceFee_","type":"uint16"}],"name":"updatePerformanceFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"}],"name":"updatePerformanceFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint64","name":"newVersion","type":"uint64"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"assets","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000265d73a8e61f698d8eb0dfeb91ddce55516844c
-----Decoded View---------------
Arg [0] : factory (address): 0x0265d73a8E61F698d8EB0dfeb91Ddce55516844C
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000265d73a8e61f698d8eb0dfeb91ddce55516844c
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 33 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.