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// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

import {SafeERC20, IERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";
import {IERC20Metadata} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import {FeeLib} from "src/libraries/FeeLib.sol";
import {IMetaCore} from "src/interfaces/core/IMetaCore.sol";
import {IDebtToken} from "src/interfaces/core/IDebtToken.sol";
import {IFeeHook} from "src/interfaces/utils/integrations/IFeeHook.sol";

/**
 * @title PermissionlessPSM
 * @author Spinnaker Labs
 * @notice Multi-stablecoin Permissionless Peg Stability Module, dynamic entry/exit fees with mint caps
 * @dev Granted mint and burn permissions by DEBT_TOKEN
 * @dev Inspired by IERC4626, but not strictly compliant
 */
contract PermissionlessPSM {
    using Math for uint;
    using SafeERC20 for IERC20;
    using FeeLib for uint;

    uint16 constant BP = 1e4;

    IMetaCore public metaCore;
    IDebtToken public debtToken;
    IFeeHook public feeHook;
    address public feeReceiver;
    bool public paused;
    mapping(address stable => uint) public debtTokenMinted;
    mapping(address stable => uint) public mintCap;

    /// @dev Scale factor to DEBT_TOKEN
    mapping(address => uint64 wadOffset) public stables;

    error OnlyOwner(address caller);
    error AddressZero();
    error AmountZero();
    error Paused();
    error NotListedToken(address token);
    error AlreadyListed(address token);
    error PassedMintCap(uint mintCap, uint minted);
    error SurpassedFeePercentage(uint feePercentage, uint maxFeePercentage);

    event DebtTokenMinted(uint debtTokenMinted, address stable);
    event DebtTokenBurned(uint debtTokenBurned, address stable);
    event FeeHookSet(address feeHook);
    event PausedSet(bool paused);
    event MintCap(uint mintCap);
    event Deposit(address indexed caller, address indexed stable, uint stableAmount, uint mintedDebtToken, uint fee);
    event Withdraw(address indexed caller, address indexed stable, uint stableAmount, uint burnedDebtToken, uint fee);
    event FeeReceiverSet(address feeReceiver);

    modifier onlyOwner() {
        if (msg.sender != metaCore.owner()) revert OnlyOwner(msg.sender);
        _;
    }

    modifier notPaused() {
        if (paused) revert Paused();
        _;
    }

    constructor(address _metaCore, address _debtToken, address[] memory _stables, address _feeHook, address _feeReceiver) {
        if (_metaCore == address(0) || _debtToken == address(0) || _feeHook == address(0)) revert AddressZero();

        metaCore = IMetaCore(_metaCore);
        debtToken = IDebtToken(_debtToken);
        feeHook = IFeeHook(_feeHook);
        feeReceiver = _feeReceiver;

        for (uint i; i < _stables.length; i++) {
            if (_stables[i] == address(0)) revert AddressZero();

            _whitelistStable(_stables[i]);
        }
    }

    function deposit(address stable, uint stableAmount, address receiver, uint16 maxFeePercentage) public notPaused returns (uint mintedDebtToken) {
        if (stableAmount == 0) revert AmountZero();

        uint debtTokenFee;
        (mintedDebtToken, debtTokenFee) = previewDeposit(stable, stableAmount, maxFeePercentage);

        uint cap = mintCap[stable];
        uint _debtTokenMinted = debtTokenMinted[stable] + mintedDebtToken + debtTokenFee;
        if (_debtTokenMinted > cap) revert PassedMintCap(cap, _debtTokenMinted);

        debtTokenMinted[stable] = _debtTokenMinted;

        debtToken.mint(receiver, mintedDebtToken);
        debtToken.mint(feeReceiver, debtTokenFee);

        IERC20(stable).safeTransferFrom(msg.sender, address(this), stableAmount);

        emit Deposit(msg.sender, stable, stableAmount, mintedDebtToken, debtTokenFee);
    }

    function mint(address stable, uint debtTokenAmount, address receiver, uint16 maxFeePercentage) public notPaused returns (uint stableAmount) {
        uint debtTokenFee;
        (stableAmount, debtTokenFee) = previewMint(stable, debtTokenAmount, maxFeePercentage);

        if (stableAmount == 0) revert AmountZero();

        uint cap = mintCap[stable];
        uint _debtTokenMinted = debtTokenMinted[stable] + debtTokenAmount + debtTokenFee;
        if (_debtTokenMinted > cap) revert PassedMintCap(cap, _debtTokenMinted);

        debtTokenMinted[stable] = _debtTokenMinted;

        debtToken.mint(receiver, debtTokenAmount);
        debtToken.mint(feeReceiver, debtTokenFee);

        IERC20(stable).safeTransferFrom(msg.sender, address(this), stableAmount);

        emit Deposit(msg.sender, stable, stableAmount, debtTokenAmount, debtTokenFee);
    }

    function withdraw(address stable, uint stableAmount, address receiver, uint16 maxFeePercentage)
        public
        notPaused
        returns (uint burnedDebtToken)
    {
        uint stableFee;
        (burnedDebtToken, stableFee) = previewWithdraw(stable, stableAmount, maxFeePercentage);

        if (burnedDebtToken == 0) revert AmountZero();

        debtToken.burn(msg.sender, burnedDebtToken);

        debtTokenMinted[stable] -= burnedDebtToken;

        IERC20(stable).safeTransfer(receiver, stableAmount);
        IERC20(stable).safeTransfer(feeReceiver, stableFee);

        emit Withdraw(msg.sender, stable, stableAmount, burnedDebtToken, stableFee);
    }

    function redeem(address stable, uint debtTokenAmount, address receiver, uint16 maxFeePercentage)
        public
        notPaused
        returns (uint stableAmount)
    {
        if (debtTokenAmount == 0) revert AmountZero();

        uint stableFee;
        (stableAmount, stableFee) = previewRedeem(stable, debtTokenAmount, maxFeePercentage);

        debtToken.burn(msg.sender, debtTokenAmount);

        debtTokenMinted[stable] -= debtTokenAmount;

        IERC20(stable).safeTransfer(receiver, stableAmount);
        IERC20(stable).safeTransfer(feeReceiver, stableFee);

        emit Withdraw(msg.sender, stable, stableAmount, debtTokenAmount, stableFee);
    }

    /**
     * @dev Takes DEBT_TOKEN as fee, returns the amount of DEBT_TOKEN that would be minted
     */
    function previewDeposit(address stable, uint stableAmount, uint16 maxFeePercentage) public view returns (uint mintedDebtToken, uint debtTokenFee) {
        uint64 wadOffset = stables[stable];

        if (wadOffset == 0) revert NotListedToken(stable);

        uint grossMintedDebtToken = stableAmount * wadOffset;

        uint fee = feeHook.calcFee(msg.sender, stable, grossMintedDebtToken, IFeeHook.Action.DEPOSIT);
        if (fee > maxFeePercentage) revert SurpassedFeePercentage(fee, maxFeePercentage);

        debtTokenFee = grossMintedDebtToken.feeOnRaw(fee);
        mintedDebtToken = grossMintedDebtToken - debtTokenFee;
    }

    /**
     * @dev Takes DEBT_TOKEN as fee, returns the amount of stable needed to mint DEBT_TOKEN
     */
    function previewMint(address stable, uint debtTokenAmount, uint16 maxFeePercentage) public view returns (uint stableAmount, uint debtTokenFee) {
        uint64 wadOffset = stables[stable];

        if (wadOffset == 0) revert NotListedToken(stable);

        uint fee = feeHook.calcFee(msg.sender, stable, debtTokenAmount, IFeeHook.Action.MINT);
        if (fee > maxFeePercentage) revert SurpassedFeePercentage(fee, maxFeePercentage);

        debtTokenFee = debtTokenAmount.mulDiv(fee, BP - fee, Math.Rounding.Up);        
        stableAmount = (debtTokenAmount + debtTokenFee).ceilDiv(wadOffset);
    }

    /**
     * @dev Takes stable as fee, returns the amount of DEBT_TOKEN that would be burned
     */
    function previewWithdraw(address stable, uint stableAmount, uint16 maxFeePercentage) public view returns (uint burnedDebtToken, uint stableFee) {
        uint64 wadOffset = stables[stable];

        if (wadOffset == 0) revert NotListedToken(stable);

        uint grossBurnedDebtToken = stableAmount * wadOffset;

        uint fee = feeHook.calcFee(msg.sender, stable, grossBurnedDebtToken, IFeeHook.Action.WITHDRAW);
        if (fee > maxFeePercentage) revert SurpassedFeePercentage(fee, maxFeePercentage);

        stableFee = stableAmount.mulDiv(fee, BP - fee, Math.Rounding.Up);
        burnedDebtToken = grossBurnedDebtToken + stableFee * wadOffset;
    }

    /**
     * @dev Takes stable as fee, returns the amount of stable given for redeeming DEBT_TOKEN
     */
    function previewRedeem(address stable, uint debtTokenAmount, uint16 maxFeePercentage) public view returns (uint stableAmount, uint stableFee) {
        uint64 wadOffset = stables[stable];

        if (wadOffset == 0) revert NotListedToken(stable);

        uint grossStable = debtTokenAmount / wadOffset;

        uint fee = feeHook.calcFee(msg.sender, stable, debtTokenAmount, IFeeHook.Action.REDEEM);
        if (fee > maxFeePercentage) revert SurpassedFeePercentage(fee, maxFeePercentage);

        stableFee = grossStable.mulDiv(fee, BP, Math.Rounding.Up);
        stableAmount = grossStable - stableFee;
    }

    function whitelistStable(address _stable) external onlyOwner {
        if (stables[_stable] != 0) revert AlreadyListed(_stable);

        _whitelistStable(_stable);
    }

    function blacklistStable(address _stable) external onlyOwner {
        delete stables[_stable];
    }

    function setFeeHook(address _feeHook) external onlyOwner {
        if (_feeHook == address(0)) revert AddressZero();
        
        feeHook = IFeeHook(_feeHook);

        emit FeeHookSet(_feeHook);
    }

    function setPaused(bool _paused) external onlyOwner {
        paused = _paused;

        emit PausedSet(_paused);
    }

    function setMintCap(address stable, uint _mintCap) external onlyOwner {
        mintCap[stable] = _mintCap;

        emit MintCap(_mintCap);
    }

    function setFeeReceiver(address _feeReceiver) external onlyOwner {
        feeReceiver = _feeReceiver;

        emit FeeReceiverSet(_feeReceiver);
    }

    function _whitelistStable(address _stable) private {
        IERC20Metadata stable = IERC20Metadata(_stable);

        uint64 wadOffset = uint64(10 ** (debtToken.decimals() - stable.decimals()));

        stables[_stable] = wadOffset;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return 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 up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev 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 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 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.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / 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 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            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 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // 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 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, 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;
        }
    }

    /**
     * @notice 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) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice 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 + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 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 + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * 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 + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * 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;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                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 log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
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

pragma solidity 0.8.26;

import {Math} from "@openzeppelin/contracts/utils/math/Math.sol";

library FeeLib {
    using Math for uint;

    uint private constant BP = 1e4;

    /// @dev Calculates the fees that should be added to an amount `shares` that does already include fees.
    /// Used in {IERC4626-deposit}, {IERC4626-mint}, {IERC4626-withdraw} and {IERC4626-previewRedeem} operations.
    function feeOnRaw(
        uint shares,
        uint feeBP
    ) internal pure returns (uint) {
        return shares.mulDiv(feeBP, BP, Math.Rounding.Up);
    }

    /// @dev Calculates the fee part of an amount `shares` that deoes not includes fees.
    /// Used in {IERC4626-previewDeposit} and {IERC4626-previewRedeem} operations.
    function feeOnTotal(
        uint shares,
        uint feeBP
    ) internal pure returns (uint) {
        return shares.mulDiv(feeBP, feeBP + BP, Math.Rounding.Up);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

interface IMetaCore {
    // ---------------------------------
    // Structures
    // ---------------------------------
    struct FeeInfo {
        bool existsForDebtToken;
        uint16 debtTokenFee;
    }

    struct RebalancerFeeInfo {
        bool exists;
        uint16 entryFee;
        uint16 exitFee;
    }

    // ---------------------------------
    // Public constants
    // ---------------------------------
    function OWNERSHIP_TRANSFER_DELAY() external view returns (uint256);
    function DEFAULT_FLASH_LOAN_FEE() external view returns (uint16);

    // ---------------------------------
    // Public state variables
    // ---------------------------------
    function debtToken() external view returns (address);
    function lspEntryFee() external view returns (uint16);
    function lspExitFee() external view returns (uint16);
    function interestProtocolShare() external view returns (uint16);
    /// @dev Default interest receiver for all PositionManagers, unless overriden in the respective PM
    function defaultInterestReceiver() external view returns (address);

    function feeReceiver() external view returns (address);
    function priceFeed() external view returns (address);
    function owner() external view returns (address);
    function pendingOwner() external view returns (address);
    function ownershipTransferDeadline() external view returns (uint256);
    function guardian() external view returns (address);
    function paused() external view returns (bool);
    function lspBootstrapPeriod() external view returns (uint64);

    // ---------------------------------
    // External functions
    // ---------------------------------
    function setFeeReceiver(address _feeReceiver) external;
    function setPriceFeed(address _priceFeed) external;
    function setGuardian(address _guardian) external;

    /**
     * @notice Global pause/unpause
     *         Pausing halts new deposits/borrowing across the protocol
     */
    function setPaused(bool _paused) external;

    /**
     * @notice Extend or change the LSP bootstrap period,
     *         after which certain protocol mechanics change
     */
    function setLspBootstrapPeriod(uint64 _bootstrapPeriod) external;

    /**
     * @notice Set a custom flash-loan fee for a given periphery contract
     * @param _periphery Target contract that will get this custom fee
     * @param _debtTokenFee Fee in basis points (bp)
     * @param _existsForDebtToken Whether this custom fee is used when the caller = `debtToken`
     */
    function setPeripheryFlashLoanFee(address _periphery, uint16 _debtTokenFee, bool _existsForDebtToken) external;

    /**
     * @notice Begin the ownership transfer process
     * @param newOwner The address proposed to be the new owner
     */
    function commitTransferOwnership(address newOwner) external;

    /**
     * @notice Finish the ownership transfer, after the mandatory delay
     */
    function acceptTransferOwnership() external;

    /**
     * @notice Revoke a pending ownership transfer
     */
    function revokeTransferOwnership() external;

    /**
     * @notice Look up a custom flash-loan fee for a specific periphery contract
     * @param peripheryContract The contract that might have a custom fee
     * @return The flash-loan fee in basis points
     */
    function getPeripheryFlashLoanFee(address peripheryContract) external view returns (uint16);

    /**
     * @notice Set / override entry & exit fees for a special rebalancer contract
     */
    function setRebalancerFee(address _rebalancer, uint16 _entryFee, uint16 _exitFee) external;

    /**
     * @notice Set the LSP entry fee globally
     * @param _fee Fee in basis points
     */
    function setEntryFee(uint16 _fee) external;

    /**
     * @notice Set the LSP exit fee globally
     * @param _fee Fee in basis points
     */
    function setExitFee(uint16 _fee) external;

    /**
     * @notice Set the interest protocol share globally to all PositionManagers
     * @param _interestProtocolShare Share in basis points
     */
    function setInterestProtocolShare(uint16 _interestProtocolShare) external;

    /**
     * @notice Look up the LSP entry fee for a rebalancer
     * @param rebalancer Possibly has a special fee
     * @return The entry fee in basis points
     */
    function getLspEntryFee(address rebalancer) external view returns (uint16);

    /**
     * @notice Look up the LSP exit fee for a rebalancer
     * @param rebalancer Possibly has a special fee
     * @return The exit fee in basis points
     */
    function getLspExitFee(address rebalancer) external view returns (uint16);

    // ---------------------------------
    // Events
    // ---------------------------------
    event NewOwnerCommitted(address indexed owner, address indexed pendingOwner, uint256 deadline);
    event NewOwnerAccepted(address indexed oldOwner, address indexed newOwner);
    event NewOwnerRevoked(address indexed owner, address indexed revokedOwner);

    event FeeReceiverSet(address indexed feeReceiver);
    event PriceFeedSet(address indexed priceFeed);
    event GuardianSet(address indexed guardian);
    event PeripheryFlashLoanFee(address indexed periphery, uint16 debtTokenFee);
    event LSPBootstrapPeriodSet(uint64 bootstrapPeriod);
    event RebalancerFees(address indexed rebalancer, uint16 entryFee, uint16 exitFee);
    event EntryFeeSet(uint16 fee);
    event ExitFeeSet(uint16 fee);
    event InterestProtocolShareSet(uint16 interestProtocolShare);
    event DefaultInterestReceiverSet(address indexed defaultInterestReceiver);
    event Paused();
    event Unpaused();
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; 
import { IERC3156FlashBorrower } from "@openzeppelin/contracts/interfaces/IERC3156FlashBorrower.sol";
import "./ICore.sol";

interface IDebtToken is IERC20 {
    // --- Events ---
    event FlashLoanFeeUpdated(uint256 newFee);

    // --- Public constants ---
    function version() external view returns (string memory);
    function permitTypeHash() external view returns (bytes32);

    // --- Public immutables ---
    function gasPool() external view returns (address);
    function DEBT_GAS_COMPENSATION() external view returns (uint256);

    // --- Public mappings ---
    function liquidStabilityPools(address) external view returns (bool);
    function borrowerOperations(address) external view returns (bool);
    function factories(address) external view returns (bool);
    function peripheries(address) external view returns (bool);
    function positionManagers(address) external view returns (bool);

    // --- External functions ---

    function enablePositionManager(address _positionManager) external;
    function mintWithGasCompensation(address _account, uint256 _amount) external returns (bool);
    function burnWithGasCompensation(address _account, uint256 _amount) external returns (bool);
    function mint(address _account, uint256 _amount) external;
    function burn(address _account, uint256 _amount) external;
    function decimals() external view returns (uint8);
    function sendToPeriphery(address _sender, uint256 _amount) external;
    function sendToSP(address _sender, uint256 _amount) external;
    function returnFromPool(address _poolAddress, address _receiver, uint256 _amount) external;
    function transfer(address recipient, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    function maxFlashLoan(address token) external view returns (uint256);
    function flashFee(address token, uint256 amount) external view returns (uint256);
    function flashLoan(
        IERC3156FlashBorrower receiver,
        address token,
        uint256 amount,
        bytes calldata data
    ) external returns (bool);
    function whitelistLiquidStabilityPoolAddress(address _liquidStabilityPool, bool active) external;
    function whitelistBorrowerOperationsAddress(address _borrowerOperations, bool active) external;
    function whitelistFactoryAddress(address _factory, bool active) external;
    function whitelistPeripheryAddress(address _periphery, bool active) external;
    function whitelistPSM(address, bool) external;
    function setDebtGasCompensation(uint256 _gasCompensation, bool _isFinalValue) external;
    function setFlashLoanFee(uint256 _fee) external;
    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function permit(
        address owner,
        address spender,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
    function nonces(address owner) external view returns (uint256);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

interface IFeeHook {
    enum Action {
        DEPOSIT,
        MINT,
        WITHDRAW,
        REDEEM
    }

    function calcFee(address caller, address token, uint amount, Action action) external view returns (uint feeInBP);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (interfaces/IERC3156FlashBorrower.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC3156 FlashBorrower, as defined in
 * https://eips.ethereum.org/EIPS/eip-3156[ERC-3156].
 *
 * _Available since v4.1._
 */
interface IERC3156FlashBorrower {
    /**
     * @dev Receive a flash loan.
     * @param initiator The initiator of the loan.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @param fee The additional amount of tokens to repay.
     * @param data Arbitrary data structure, intended to contain user-defined parameters.
     * @return The keccak256 hash of "IERC3156FlashBorrower.onFlashLoan"
     */
    function onFlashLoan(
        address initiator,
        address token,
        uint256 amount,
        uint256 fee,
        bytes calldata data
    ) external returns (bytes32);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.26;

import {IMetaCore} from "src/interfaces/core/IMetaCore.sol";

interface ICore {

    // --- Public variables ---
    function metaCore() external view returns (IMetaCore);
    function startTime() external view returns (uint256);
    function CCR() external view returns (uint256);
    function dmBootstrapPeriod() external view returns (uint64);
    function isPeriphery(address peripheryContract) external view returns (bool);

    // --- External functions ---

    function setPeripheryEnabled(address _periphery, bool _enabled) external;
    function setPMBootstrapPeriod(address dm, uint64 _bootstrapPeriod) external;
    function setNewCCR(uint256 _CCR) external;

    function priceFeed() external view returns (address);
    function owner() external view returns (address);
    function pendingOwner() external view returns (address);
    function guardian() external view returns (address);
    function feeReceiver() external view returns (address);
    function paused() external view returns (bool);
    function lspBootstrapPeriod() external view returns (uint64);
    function getLspEntryFee(address rebalancer) external view returns (uint16);
    function getLspExitFee(address rebalancer) external view returns (uint16);
    function interestProtocolShare() external view returns (uint16);
    function defaultInterestReceiver() external view returns (address);

    // --- Events ---
    event CCRSet(uint256 initialCCR);
    event PMBootstrapPeriodSet(address dm, uint64 bootstrapPeriod);
    event PeripheryEnabled(address indexed periphery, bool enabled);
}

{
  "remappings": [
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin-upgradeable/contracts/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "solady/=lib/solady/src/",
    "@solmate/=lib/solmate/src/",
    "@chimera/=lib/chimera/src/",
    "forge-std/=lib/forge-std/src/",
    "@uniswap/v3-core/=lib/v3-core/",
    "@uniswap/v3-periphery/=lib/v3-periphery/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "chimera/=lib/chimera/src/",
    "ds-test/=lib/solmate/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "rewards/=lib/rewards/",
    "solmate/=lib/solmate/src/",
    "uniswap/=lib/uniswap/",
    "v3-core/=lib/v3-core/contracts/",
    "v3-periphery/=lib/v3-periphery/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_metaCore","type":"address"},{"internalType":"address","name":"_debtToken","type":"address"},{"internalType":"address[]","name":"_stables","type":"address[]"},{"internalType":"address","name":"_feeHook","type":"address"},{"internalType":"address","name":"_feeReceiver","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AddressZero","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"AlreadyListed","type":"error"},{"inputs":[],"name":"AmountZero","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"NotListedToken","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"OnlyOwner","type":"error"},{"inputs":[{"internalType":"uint256","name":"mintCap","type":"uint256"},{"internalType":"uint256","name":"minted","type":"uint256"}],"name":"PassedMintCap","type":"error"},{"inputs":[],"name":"Paused","type":"error"},{"inputs":[{"internalType":"uint256","name":"feePercentage","type":"uint256"},{"internalType":"uint256","name":"maxFeePercentage","type":"uint256"}],"name":"SurpassedFeePercentage","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"debtTokenBurned","type":"uint256"},{"indexed":false,"internalType":"address","name":"stable","type":"address"}],"name":"DebtTokenBurned","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"debtTokenMinted","type":"uint256"},{"indexed":false,"internalType":"address","name":"stable","type":"address"}],"name":"DebtTokenMinted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"stable","type":"address"},{"indexed":false,"internalType":"uint256","name":"stableAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"mintedDebtToken","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"feeHook","type":"address"}],"name":"FeeHookSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"feeReceiver","type":"address"}],"name":"FeeReceiverSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"mintCap","type":"uint256"}],"name":"MintCap","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"paused","type":"bool"}],"name":"PausedSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"stable","type":"address"},{"indexed":false,"internalType":"uint256","name":"stableAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"burnedDebtToken","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"address","name":"_stable","type":"address"}],"name":"blacklistStable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"debtToken","outputs":[{"internalType":"contract IDebtToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"}],"name":"debtTokenMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"stableAmount","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"deposit","outputs":[{"internalType":"uint256","name":"mintedDebtToken","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeHook","outputs":[{"internalType":"contract IFeeHook","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeReceiver","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"metaCore","outputs":[{"internalType":"contract IMetaCore","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"debtTokenAmount","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"mint","outputs":[{"internalType":"uint256","name":"stableAmount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"}],"name":"mintCap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"stableAmount","type":"uint256"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"previewDeposit","outputs":[{"internalType":"uint256","name":"mintedDebtToken","type":"uint256"},{"internalType":"uint256","name":"debtTokenFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"debtTokenAmount","type":"uint256"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"previewMint","outputs":[{"internalType":"uint256","name":"stableAmount","type":"uint256"},{"internalType":"uint256","name":"debtTokenFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"debtTokenAmount","type":"uint256"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"previewRedeem","outputs":[{"internalType":"uint256","name":"stableAmount","type":"uint256"},{"internalType":"uint256","name":"stableFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"stableAmount","type":"uint256"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"previewWithdraw","outputs":[{"internalType":"uint256","name":"burnedDebtToken","type":"uint256"},{"internalType":"uint256","name":"stableFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"debtTokenAmount","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"stableAmount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeHook","type":"address"}],"name":"setFeeHook","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeReceiver","type":"address"}],"name":"setFeeReceiver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"_mintCap","type":"uint256"}],"name":"setMintCap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stables","outputs":[{"internalType":"uint64","name":"wadOffset","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_stable","type":"address"}],"name":"whitelistStable","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stable","type":"address"},{"internalType":"uint256","name":"stableAmount","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint16","name":"maxFeePercentage","type":"uint16"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burnedDebtToken","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

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ff2602b3f468259e1e99f613fed6691f3a6526effe6ef3e768ba7ae7a36c4f4e2ca0515ed1aef1395f66b5303bb5d6f1bf9d61a353fa53f73f8ac9973fa9f6a26469706673582212201710f9f3a14ef9934bb3477e760ef32019ed84998e81e494498e9465693c7d8a64736f6c634300081a0033

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

-----Decoded View---------------
Arg [0] : _metaCore (address): 0x8700AF942BE2A6E5566306D0eE7Bcc5a3A6E0ce8
Arg [1] : _debtToken (address): 0x0F26bBb8962d73bC891327F14dB5162D5279899F
Arg [2] : _stables (address[]): 0x203A662b0BD271A6ed5a60EdFbd04bFce608FD36,0x00000000eFE302BEAA2b3e6e1b18d08D69a9012a
Arg [3] : _feeHook (address): 0xD431aBC566a2B82BFb6FBea94ac22CAE4065486C
Arg [4] : _feeReceiver (address): 0x686Ed0d7840dbd41cdaCD37C26E68E13eD317D34

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000008700af942be2a6e5566306d0ee7bcc5a3a6e0ce8
Arg [1] : 0000000000000000000000000f26bbb8962d73bc891327f14db5162d5279899f
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 000000000000000000000000d431abc566a2b82bfb6fbea94ac22cae4065486c
Arg [4] : 000000000000000000000000686ed0d7840dbd41cdacd37c26e68e13ed317d34
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000002
Arg [6] : 000000000000000000000000203a662b0bd271a6ed5a60edfbd04bfce608fd36
Arg [7] : 00000000000000000000000000000000efe302beaa2b3e6e1b18d08d69a9012a