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Rseth

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// SPDX-License-Identifier: BUSL-1.1
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.21;
pragma solidity 0.8.27;


import { UtilLib } from "./utils/UtilLib.sol";
import { UtilLib } from "./utils/UtilLib.sol";
import { LRTConfigRoleChecker, ILRTConfig, LRTConstants } from "./utils/LRTConfigRoleChecker.sol";
import { LRTConfigRoleChecker, ILRTConfig, LRTConstants } from "./utils/LRTConfigRoleChecker.sol";


import { ERC20Upgradeable, Initializable } from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import { ERC20Upgradeable, Initializable } from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import { PausableUpgradeable } from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
import { PausableUpgradeable } from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";


/// @title rsETH token Contract
/// @title rsETH token Contract
/// @author Stader Labs
/// @author Kelp DAO
/// @notice The ERC20 contract for the rsETH token
/// @notice The ERC20 contract for the rsETH token
contract RSETH is Initializable, LRTConfigRoleChecker, ERC20Upgradeable, PausableUpgradeable {
contract RSETH is Initializable, LRTConfigRoleChecker, ERC20Upgradeable, PausableUpgradeable {
error DailyMintLimitExceeded(uint256 currentAmount, uint256 maxAmount);

event MaxMintAmountPerDayUpdated(uint256 newMaxMintAmountPerDay);

uint256 public maxMintAmountPerDay;
uint256 public currentPeriodMintedAmount;
uint256 public periodStartTime;

/// @dev Modifier to check and update daily mint limits
/// @param amount The amount to be minted
modifier checkDailyMintLimit(uint256 amount) {
// Check if we need to reset the period or initialize the period
if (periodStartTime == 0 || block.timestamp >= periodStartTime + 1 days) {
currentPeriodMintedAmount = 0;
periodStartTime = block.timestamp;
}

// Check if minting would exceed the daily limit
if (currentPeriodMintedAmount + amount > maxMintAmountPerDay) {
revert DailyMintLimitExceeded(currentPeriodMintedAmount + amount, maxMintAmountPerDay);
}

currentPeriodMintedAmount += amount;
_;
}

/// @custom:oz-upgrades-unsafe-allow constructor
/// @custom:oz-upgrades-unsafe-allow constructor
constructor() {
constructor() {
_disableInitializers();
_disableInitializers();
}
}


/// @dev Initializes the contract
/// @dev Initializes the contract
/// @param admin Admin address
/// @param admin Admin address
/// @param lrtConfigAddr LRT config address
/// @param lrtConfigAddr LRT config address
function initialize(address admin, address lrtConfigAddr) external initializer {
function initialize(address admin, address lrtConfigAddr) external initializer {
UtilLib.checkNonZeroAddress(admin);
UtilLib.checkNonZeroAddress(admin);
UtilLib.checkNonZeroAddress(lrtConfigAddr);
UtilLib.checkNonZeroAddress(lrtConfigAddr);


__ERC20_init("rsETH", "rsETH");
__ERC20_init("rsETH", "rsETH");
__Pausable_init();
__Pausable_init();
lrtConfig = ILRTConfig(lrtConfigAddr);
lrtConfig = ILRTConfig(lrtConfigAddr);
emit UpdatedLRTConfig(lrtConfigAddr);
emit UpdatedLRTConfig(lrtConfigAddr);
}
}


/// @notice Sets the maximum amount that can be minted in 24 hours
/// @param _maxMintAmountPerDay The maximum amount that can be minted in 24 hours
function setMaxMintAmountPerDay(uint256 _maxMintAmountPerDay) external onlyLRTManager {
maxMintAmountPerDay = _maxMintAmountPerDay;
emit MaxMintAmountPerDayUpdated(_maxMintAmountPerDay);
}

/// @notice Mints rsETH when called by an authorized caller
/// @notice Mints rsETH when called by an authorized caller
/// @param to the account to mint to
/// @param to the account to mint to
/// @param amount the amount of rsETH to mint
/// @param amount the amount of rsETH to mint
function mint(address to, uint256 amount) external onlyRole(LRTConstants.MINTER_ROLE) whenNotPaused {
function mint(
address to,
uint256 amount
)
external
onlyRole(LRTConstants.MINTER_ROLE)
whenNotPaused
checkDailyMintLimit(amount)
{
_mint(to, amount);
_mint(to, amount);
}
}


/// @notice Burns rsETH when called by an authorized caller
/// @notice Burns rsETH when called by an authorized caller
/// @param account the account to burn from
/// @param account the account to burn from
/// @param amount the amount of rsETH to burn
/// @param amount the amount of rsETH to burn
function burnFrom(address account, uint256 amount) external onlyRole(LRTConstants.BURNER_ROLE) whenNotPaused {
function burnFrom(address account, uint256 amount) external onlyRole(LRTConstants.BURNER_ROLE) whenNotPaused {
_burn(account, amount);
_burn(account, amount);
}
}


/// @dev Triggers stopped state.
/// @dev Triggers stopped state.
/// @dev Only callable by LRT config manager. Contract must NOT be paused.
/// @dev Only callable by LRT config manager. Contract must NOT be paused.
function pause() external onlyLRTManager {
function pause() external onlyLRTManager {
_pause();
_pause();
}
}


/// @notice Returns to normal state.
/// @notice Returns to normal state.
/// @dev Only callable by the rsETH admin. Contract must be paused
/// @dev Only callable by the rsETH admin. Contract must be paused
function unpause() external onlyLRTAdmin {
function unpause() external onlyLRTAdmin {
_unpause();
_unpause();
}
}
}
}

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