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// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.20;

import "openzeppelin-math/Math.sol";
import "openzeppelin-contracts/access/manager/IAccessManager.sol";
import "openzeppelin-contracts-upgradeable/access/manager/AccessManagedUpgradeable.sol";
import "openzeppelin-contracts/proxy/beacon/BeaconProxy.sol";
import "openzeppelin-contracts/token/ERC20/utils/SafeERC20.sol";
import "../interfaces/IFactory.sol";
import "../interfaces/ICurvePool.sol";
import "../interfaces/ICurveFactory.sol";
import "../interfaces/IPrincipalToken.sol";
import "../interfaces/IRegistry.sol";
import "../libraries/CurvePoolUtil.sol";
import "../libraries/Roles.sol";

/**
 * @title PrincipalTokenUtil library
 * @author Spectra Finance
 * @notice Factory used to deploy PTs and pools.
 */
contract Factory is IFactory, AccessManagedUpgradeable {
    using SafeERC20 for IERC20;
    using Math for uint256;

    bytes4 constant PAUSE_SELECTOR = IPrincipalToken(address(0)).pause.selector;
    bytes4 constant UNPAUSE_SELECTOR = IPrincipalToken(address(0)).unPause.selector;
    bytes4 constant SET_REWARDS_PROXY_SELECTOR =
        IPrincipalToken(address(0)).setRewardsProxy.selector;
    bytes4 constant CLAIM_REWARDS_SELECTOR = IPrincipalToken(address(0)).claimRewards.selector;

    /** @notice registry of the protocol */
    address private immutable registry;

    /* State
     *****************************************************************************************************************/

    /** @notice Factory of Curve protocol, used to deploy pools */
    address private curveFactory;

    /* Events
     *****************************************************************************************************************/

    event PTDeployed(address indexed pt, address indexed poolCreator);
    event CurvePoolDeployed(address indexed poolAddress, address indexed ibt, address indexed pt);
    event RegistryChange(address indexed previousRegistry, address indexed newRegistry);
    event CurveFactoryChange(address indexed previousFactory, address indexed newFactory);

    /**
     * @notice Constructor of the contract
     * @param _registry The address of the registry.
     */
    constructor(address _registry) {
        if (_registry == address(0)) {
            revert AddressError();
        }
        registry = _registry;
        _disableInitializers(); // using this so that the deployed logic contract later cannot be initialized.
    }

    /**
     * @notice Initializer of the contract
     * @param _initialAuthority The address of the access manager.
     */
    function initialize(address _initialAuthority, address _curveFactory) external initializer {
        __AccessManaged_init(_initialAuthority);
        _setCurveFactory(_curveFactory);
    }

    /** @dev See {IFactory-deployPT}. */
    function deployPT(address _ibt, uint256 _duration) public override returns (address pt) {
        address ptBeacon = IRegistry(registry).getPTBeacon();
        if (ptBeacon == address(0)) {
            revert BeaconNotSet();
        }

        address accessManager = authority();
        bytes memory _data = abi.encodeWithSelector(
            IPrincipalToken(address(0)).initialize.selector,
            _ibt,
            _duration,
            accessManager
        );
        pt = address(new BeaconProxy(ptBeacon, _data));
        emit PTDeployed(pt, msg.sender);
        IRegistry(registry).addPT(pt);

        IAccessManager(accessManager).setTargetFunctionRole(pt, getPauserSigs(), Roles.PAUSER_ROLE);
        IAccessManager(accessManager).setTargetFunctionRole(
            pt,
            getClaimRewardsProxySelectors(),
            Roles.REWARDS_HARVESTER_ROLE
        );
        IAccessManager(accessManager).setTargetFunctionRole(
            pt,
            getSetRewardsProxySelectors(),
            Roles.REWARDS_PROXY_SETTER_ROLE
        );
    }

    /** @dev See {IFactory-deployCurvePool}. */
    function deployCurvePool(
        address _pt,
        CurvePoolParams calldata _curvePoolParams,
        uint256 _initialLiquidityInIBT,
        uint256 _minPTShares
    ) public returns (address curvePool) {
        if (!IRegistry(registry).isRegisteredPT(_pt)) {
            revert UnregisteredPT();
        }
        if (IPrincipalToken(_pt).maturity() < block.timestamp) {
            revert ExpiredPT();
        }
        address ibt = IPrincipalToken(_pt).getIBT();
        address[2] memory coins;
        {
            coins[0] = ibt;
            coins[1] = _pt;
        }
        curvePool = _deployCurvePool(coins, _curvePoolParams);
        emit CurvePoolDeployed(curvePool, ibt, _pt);

        if (_initialLiquidityInIBT != 0) {
            _addInitialLiquidity(
                curvePool,
                _initialLiquidityInIBT,
                _minPTShares,
                _curvePoolParams.initial_price
            );
        }
    }

    /** @dev See {IFactory-deployAll}. */
    function deployAll(
        address _ibt,
        uint256 _duration,
        CurvePoolParams calldata _curvePoolParams,
        uint256 _initialLiquidityInIBT,
        uint256 _minPTShares
    ) public returns (address pt, address curvePool) {
        // deploy PT
        address ptBeacon = IRegistry(registry).getPTBeacon();
        if (ptBeacon == address(0)) {
            revert BeaconNotSet();
        }
        address accessManager = authority();
        bytes memory _encodedData = abi.encodeWithSelector(
            IPrincipalToken(address(0)).initialize.selector,
            _ibt,
            _duration,
            accessManager
        );
        pt = address(new BeaconProxy(ptBeacon, _encodedData));
        emit PTDeployed(pt, msg.sender);
        IRegistry(registry).addPT(pt);
        IAccessManager(accessManager).setTargetFunctionRole(pt, getPauserSigs(), Roles.PAUSER_ROLE);
        IAccessManager(accessManager).setTargetFunctionRole(
            pt,
            getClaimRewardsProxySelectors(),
            Roles.REWARDS_HARVESTER_ROLE
        );
        IAccessManager(accessManager).setTargetFunctionRole(
            pt,
            getSetRewardsProxySelectors(),
            Roles.REWARDS_PROXY_SETTER_ROLE
        );

        // deploy Curve Pool
        address[2] memory coins;
        {
            coins[0] = _ibt;
            coins[1] = pt;
        }
        curvePool = _deployCurvePool(coins, _curvePoolParams);
        emit CurvePoolDeployed(curvePool, _ibt, pt);

        if (_initialLiquidityInIBT != 0) {
            _addInitialLiquidity(
                curvePool,
                _initialLiquidityInIBT,
                _minPTShares,
                _curvePoolParams.initial_price
            );
        }
    }

    /* GETTERS
     *****************************************************************************************************************/

    /** @dev See {IFactory-getRegistry}. */
    function getRegistry() external view override returns (address) {
        return registry;
    }

    /** @dev See {IFactory-getCurveFactory}. */
    function getCurveFactory() external view override returns (address) {
        return curveFactory;
    }

    /**
     * @notice Getter for pause and unpause selectors, used for access management
     */
    function getPauserSigs() internal pure returns (bytes4[] memory) {
        bytes4[] memory selectors = new bytes4[](2);
        selectors[0] = PAUSE_SELECTOR;
        selectors[1] = UNPAUSE_SELECTOR;
        return selectors;
    }

    /**
     * @notice Getter for the reward proxy setter selector, used for access management
     */
    function getSetRewardsProxySelectors() internal pure returns (bytes4[] memory) {
        bytes4[] memory selectors = new bytes4[](1);
        selectors[0] = SET_REWARDS_PROXY_SELECTOR;
        return selectors;
    }

    /**
     * @notice Getter for the claim rewards selector, used for access management
     */
    function getClaimRewardsProxySelectors() internal pure returns (bytes4[] memory) {
        bytes4[] memory selectors = new bytes4[](1);
        selectors[0] = CLAIM_REWARDS_SELECTOR;
        return selectors;
    }

    /* SETTERS
     *****************************************************************************************************************/

    /** @dev See {IFactory-setCurveFactory}. */
    function setCurveFactory(address _curveFactory) public override restricted {
        _setCurveFactory(_curveFactory);
    }

    /**
     * @dev Splits the given IBT amount into IBT and PT based on pool initial price, and adds liquidity to the pool.
     * @param _curvePool The address of the Curve Pool in which the user adds initial liquidity to
     * @param _initialLiquidityInIBT The initial liquidity to seed the Curve Pool with (in IBT)
     * @param _minPTShares The minimum allowed shares from deposit in PT
     * @param _initialPrice The initial price of the Curve Pool
     */
    function _addInitialLiquidity(
        address _curvePool,
        uint256 _initialLiquidityInIBT,
        uint256 _minPTShares,
        uint256 _initialPrice
    ) internal {
        address ibt = ICurvePool(_curvePool).coins(0);
        address pt = ICurvePool(_curvePool).coins(1);

        {
            // support for fee-on-transfer tokens
            uint256 balBefore = IERC20(ibt).balanceOf(address(this));
            IERC20(ibt).safeTransferFrom(msg.sender, address(this), _initialLiquidityInIBT);
            _initialLiquidityInIBT = IERC20(ibt).balanceOf(address(this)) - balBefore;
        }

        // using fictive pool balances, the user is adding liquidity in a ratio that (closely) matches the empty pool's initial price
        // with ptBalance = IBT_UNIT for having a fictive PT balance reference, ibtBalance = IBT_UNIT x initialPrice
        uint256 ptBalance = 10 ** IERC20Metadata(ibt).decimals();
        uint256 ibtBalance = ptBalance.mulDiv(_initialPrice, CurvePoolUtil.CURVE_UNIT);
        // compute the worth of the fictive IBT balance in the pool in PT
        uint256 ibtBalanceInPT = IPrincipalToken(pt).previewDepositIBT(ibtBalance);
        // compute the portion of IBT to deposit in PT
        uint256 ibtsToTokenize = _initialLiquidityInIBT.mulDiv(
            ptBalance,
            ibtBalanceInPT + ptBalance
        );

        // IBT amount to deposit in the Curve Pool
        uint256 amount0 = _initialLiquidityInIBT - ibtsToTokenize;
        uint256 allowancePT = IERC20(ibt).allowance(address(this), pt);
        if (allowancePT < ibtsToTokenize) {
            IERC20(ibt).forceApprove(pt, type(uint256).max);
        }
        // PT amount to deposit in Curve Pool
        uint256 amount1 = IPrincipalToken(pt).depositIBT(
            ibtsToTokenize,
            address(this),
            msg.sender,
            _minPTShares
        );

        IERC20(ibt).safeIncreaseAllowance(_curvePool, amount0);
        IERC20(pt).safeIncreaseAllowance(_curvePool, amount1);
        ICurvePool(_curvePool).add_liquidity([amount0, amount1], 0, false, msg.sender);
    }

    /**
     * @dev Calls the Curve factory and deploys a new Curve v2 crypto pool
     */
    function _deployCurvePool(
        address[2] memory _coins,
        CurvePoolParams calldata _p
    ) internal returns (address curvePoolAddr) {
        if (curveFactory == address(0)) {
            revert CurveFactoryNotSet();
        }
        bytes memory name = bytes("Spectra-PT/IBT");
        bytes memory symbol = bytes("SPT-PT/IBT");
        bytes memory cd = new bytes(576); // calldata to the curve factory
        address coin0 = _coins[0];
        address coin1 = _coins[1];
        uint256 num; // temporary variable for passing contents of _p to Yul
        // append the coins array
        assembly {
            mstore(
                add(cd, 0x20),
                0x00000000000000000000000000000000000000000000000000000000000001c0
            )
            mstore(
                add(cd, 0x40),
                0x0000000000000000000000000000000000000000000000000000000000000200
            )
            mstore(add(cd, 0x60), coin0)
            mstore(add(cd, 0x80), coin1)
        }

        // append the numerical parameters
        num = _p.A;
        assembly {
            mstore(add(cd, 0xa0), num)
        }
        num = _p.gamma;
        assembly {
            mstore(add(cd, 0xc0), num)
        }
        num = _p.mid_fee;
        assembly {
            mstore(add(cd, 0xe0), num)
        }
        num = _p.out_fee;
        assembly {
            mstore(add(cd, 0x100), num)
        }
        num = _p.allowed_extra_profit;
        assembly {
            mstore(add(cd, 0x120), num)
        }
        num = _p.fee_gamma;
        assembly {
            mstore(add(cd, 0x140), num)
        }
        num = _p.adjustment_step;
        assembly {
            mstore(add(cd, 0x160), num)
        }
        num = _p.admin_fee;
        assembly {
            mstore(add(cd, 0x180), num)
        }
        num = _p.ma_half_time;
        assembly {
            mstore(add(cd, 0x1a0), num)
        }
        num = _p.initial_price;

        assembly {
            mstore(add(cd, 0x1c0), num)

            mstore(add(cd, 0x1e0), mload(name))
            mstore(add(cd, 0x200), mload(add(name, 0x20)))

            mstore(add(cd, 0x220), mload(symbol))
            mstore(add(cd, 0x240), mload(add(symbol, 0x20)))
        }

        // prepend the function selector
        cd = bytes.concat(ICurveFactory(address(0)).deploy_pool.selector, cd);

        // make the call to the curve factory
        (bool success, bytes memory result) = address(curveFactory).call(cd);
        if (!success) {
            revert DeploymentFailed();
        }

        assembly {
            curvePoolAddr := mload(add(add(result, 12), 20))
        }
    }

    function _setCurveFactory(address _curveFactory) internal {
        if (_curveFactory == address(0)) {
            revert AddressError();
        }
        emit CurveFactoryChange(curveFactory, _curveFactory);
        curveFactory = _curveFactory;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Muldiv operation overflow.
     */
    error MathOverflowedMulDiv();

    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 overflow flag.
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        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 division by zero flag.
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @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 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.
            return a / b;
        }

        // (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 = 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 2^256. Also prevents denominator == 0.
            if (denominator <= prod1) {
                revert MathOverflowedMulDiv();
            }

            ///////////////////////////////////////////////
            // 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 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 (unsignedRoundsUp(rounding) && 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
     * towards zero.
     *
     * 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 + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
        }
    }

    /**
     * @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;
        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 + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @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 + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
        }
    }

    /**
     * @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;
        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 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 + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
        }
    }

    /**
     * @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 v5.0.0) (access/manager/IAccessManager.sol)

pragma solidity ^0.8.20;

import {IAccessManaged} from "./IAccessManaged.sol";
import {Time} from "../../utils/types/Time.sol";

interface IAccessManager {
    /**
     * @dev A delayed operation was scheduled.
     */
    event OperationScheduled(
        bytes32 indexed operationId,
        uint32 indexed nonce,
        uint48 schedule,
        address caller,
        address target,
        bytes data
    );

    /**
     * @dev A scheduled operation was executed.
     */
    event OperationExecuted(bytes32 indexed operationId, uint32 indexed nonce);

    /**
     * @dev A scheduled operation was canceled.
     */
    event OperationCanceled(bytes32 indexed operationId, uint32 indexed nonce);

    /**
     * @dev Informational labelling for a roleId.
     */
    event RoleLabel(uint64 indexed roleId, string label);

    /**
     * @dev Emitted when `account` is granted `roleId`.
     *
     * NOTE: The meaning of the `since` argument depends on the `newMember` argument.
     * If the role is granted to a new member, the `since` argument indicates when the account becomes a member of the role,
     * otherwise it indicates the execution delay for this account and roleId is updated.
     */
    event RoleGranted(uint64 indexed roleId, address indexed account, uint32 delay, uint48 since, bool newMember);

    /**
     * @dev Emitted when `account` membership or `roleId` is revoked. Unlike granting, revoking is instantaneous.
     */
    event RoleRevoked(uint64 indexed roleId, address indexed account);

    /**
     * @dev Role acting as admin over a given `roleId` is updated.
     */
    event RoleAdminChanged(uint64 indexed roleId, uint64 indexed admin);

    /**
     * @dev Role acting as guardian over a given `roleId` is updated.
     */
    event RoleGuardianChanged(uint64 indexed roleId, uint64 indexed guardian);

    /**
     * @dev Grant delay for a given `roleId` will be updated to `delay` when `since` is reached.
     */
    event RoleGrantDelayChanged(uint64 indexed roleId, uint32 delay, uint48 since);

    /**
     * @dev Target mode is updated (true = closed, false = open).
     */
    event TargetClosed(address indexed target, bool closed);

    /**
     * @dev Role required to invoke `selector` on `target` is updated to `roleId`.
     */
    event TargetFunctionRoleUpdated(address indexed target, bytes4 selector, uint64 indexed roleId);

    /**
     * @dev Admin delay for a given `target` will be updated to `delay` when `since` is reached.
     */
    event TargetAdminDelayUpdated(address indexed target, uint32 delay, uint48 since);

    error AccessManagerAlreadyScheduled(bytes32 operationId);
    error AccessManagerNotScheduled(bytes32 operationId);
    error AccessManagerNotReady(bytes32 operationId);
    error AccessManagerExpired(bytes32 operationId);
    error AccessManagerLockedAccount(address account);
    error AccessManagerLockedRole(uint64 roleId);
    error AccessManagerBadConfirmation();
    error AccessManagerUnauthorizedAccount(address msgsender, uint64 roleId);
    error AccessManagerUnauthorizedCall(address caller, address target, bytes4 selector);
    error AccessManagerUnauthorizedConsume(address target);
    error AccessManagerUnauthorizedCancel(address msgsender, address caller, address target, bytes4 selector);
    error AccessManagerInvalidInitialAdmin(address initialAdmin);

    /**
     * @dev Check if an address (`caller`) is authorised to call a given function on a given contract directly (with
     * no restriction). Additionally, it returns the delay needed to perform the call indirectly through the {schedule}
     * & {execute} workflow.
     *
     * This function is usually called by the targeted contract to control immediate execution of restricted functions.
     * Therefore we only return true if the call can be performed without any delay. If the call is subject to a
     * previously set delay (not zero), then the function should return false and the caller should schedule the operation
     * for future execution.
     *
     * If `immediate` is true, the delay can be disregarded and the operation can be immediately executed, otherwise
     * the operation can be executed if and only if delay is greater than 0.
     *
     * NOTE: The IAuthority interface does not include the `uint32` delay. This is an extension of that interface that
     * is backward compatible. Some contracts may thus ignore the second return argument. In that case they will fail
     * to identify the indirect workflow, and will consider calls that require a delay to be forbidden.
     *
     * NOTE: This function does not report the permissions of this manager itself. These are defined by the
     * {_canCallSelf} function instead.
     */
    function canCall(
        address caller,
        address target,
        bytes4 selector
    ) external view returns (bool allowed, uint32 delay);

    /**
     * @dev Expiration delay for scheduled proposals. Defaults to 1 week.
     *
     * IMPORTANT: Avoid overriding the expiration with 0. Otherwise every contract proposal will be expired immediately,
     * disabling any scheduling usage.
     */
    function expiration() external view returns (uint32);

    /**
     * @dev Minimum setback for all delay updates, with the exception of execution delays. It
     * can be increased without setback (and reset via {revokeRole} in the case event of an
     * accidental increase). Defaults to 5 days.
     */
    function minSetback() external view returns (uint32);

    /**
     * @dev Get whether the contract is closed disabling any access. Otherwise role permissions are applied.
     */
    function isTargetClosed(address target) external view returns (bool);

    /**
     * @dev Get the role required to call a function.
     */
    function getTargetFunctionRole(address target, bytes4 selector) external view returns (uint64);

    /**
     * @dev Get the admin delay for a target contract. Changes to contract configuration are subject to this delay.
     */
    function getTargetAdminDelay(address target) external view returns (uint32);

    /**
     * @dev Get the id of the role that acts as an admin for the given role.
     *
     * The admin permission is required to grant the role, revoke the role and update the execution delay to execute
     * an operation that is restricted to this role.
     */
    function getRoleAdmin(uint64 roleId) external view returns (uint64);

    /**
     * @dev Get the role that acts as a guardian for a given role.
     *
     * The guardian permission allows canceling operations that have been scheduled under the role.
     */
    function getRoleGuardian(uint64 roleId) external view returns (uint64);

    /**
     * @dev Get the role current grant delay.
     *
     * Its value may change at any point without an event emitted following a call to {setGrantDelay}.
     * Changes to this value, including effect timepoint are notified in advance by the {RoleGrantDelayChanged} event.
     */
    function getRoleGrantDelay(uint64 roleId) external view returns (uint32);

    /**
     * @dev Get the access details for a given account for a given role. These details include the timepoint at which
     * membership becomes active, and the delay applied to all operation by this user that requires this permission
     * level.
     *
     * Returns:
     * [0] Timestamp at which the account membership becomes valid. 0 means role is not granted.
     * [1] Current execution delay for the account.
     * [2] Pending execution delay for the account.
     * [3] Timestamp at which the pending execution delay will become active. 0 means no delay update is scheduled.
     */
    function getAccess(uint64 roleId, address account) external view returns (uint48, uint32, uint32, uint48);

    /**
     * @dev Check if a given account currently has the permission level corresponding to a given role. Note that this
     * permission might be associated with an execution delay. {getAccess} can provide more details.
     */
    function hasRole(uint64 roleId, address account) external view returns (bool, uint32);

    /**
     * @dev Give a label to a role, for improved role discoverability by UIs.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleLabel} event.
     */
    function labelRole(uint64 roleId, string calldata label) external;

    /**
     * @dev Add `account` to `roleId`, or change its execution delay.
     *
     * This gives the account the authorization to call any function that is restricted to this role. An optional
     * execution delay (in seconds) can be set. If that delay is non 0, the user is required to schedule any operation
     * that is restricted to members of this role. The user will only be able to execute the operation after the delay has
     * passed, before it has expired. During this period, admin and guardians can cancel the operation (see {cancel}).
     *
     * If the account has already been granted this role, the execution delay will be updated. This update is not
     * immediate and follows the delay rules. For example, if a user currently has a delay of 3 hours, and this is
     * called to reduce that delay to 1 hour, the new delay will take some time to take effect, enforcing that any
     * operation executed in the 3 hours that follows this update was indeed scheduled before this update.
     *
     * Requirements:
     *
     * - the caller must be an admin for the role (see {getRoleAdmin})
     * - granted role must not be the `PUBLIC_ROLE`
     *
     * Emits a {RoleGranted} event.
     */
    function grantRole(uint64 roleId, address account, uint32 executionDelay) external;

    /**
     * @dev Remove an account from a role, with immediate effect. If the account does not have the role, this call has
     * no effect.
     *
     * Requirements:
     *
     * - the caller must be an admin for the role (see {getRoleAdmin})
     * - revoked role must not be the `PUBLIC_ROLE`
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function revokeRole(uint64 roleId, address account) external;

    /**
     * @dev Renounce role permissions for the calling account with immediate effect. If the sender is not in
     * the role this call has no effect.
     *
     * Requirements:
     *
     * - the caller must be `callerConfirmation`.
     *
     * Emits a {RoleRevoked} event if the account had the role.
     */
    function renounceRole(uint64 roleId, address callerConfirmation) external;

    /**
     * @dev Change admin role for a given role.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleAdminChanged} event
     */
    function setRoleAdmin(uint64 roleId, uint64 admin) external;

    /**
     * @dev Change guardian role for a given role.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleGuardianChanged} event
     */
    function setRoleGuardian(uint64 roleId, uint64 guardian) external;

    /**
     * @dev Update the delay for granting a `roleId`.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {RoleGrantDelayChanged} event.
     */
    function setGrantDelay(uint64 roleId, uint32 newDelay) external;

    /**
     * @dev Set the role required to call functions identified by the `selectors` in the `target` contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetFunctionRoleUpdated} event per selector.
     */
    function setTargetFunctionRole(address target, bytes4[] calldata selectors, uint64 roleId) external;

    /**
     * @dev Set the delay for changing the configuration of a given target contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetAdminDelayUpdated} event.
     */
    function setTargetAdminDelay(address target, uint32 newDelay) external;

    /**
     * @dev Set the closed flag for a contract.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     *
     * Emits a {TargetClosed} event.
     */
    function setTargetClosed(address target, bool closed) external;

    /**
     * @dev Return the timepoint at which a scheduled operation will be ready for execution. This returns 0 if the
     * operation is not yet scheduled, has expired, was executed, or was canceled.
     */
    function getSchedule(bytes32 id) external view returns (uint48);

    /**
     * @dev Return the nonce for the latest scheduled operation with a given id. Returns 0 if the operation has never
     * been scheduled.
     */
    function getNonce(bytes32 id) external view returns (uint32);

    /**
     * @dev Schedule a delayed operation for future execution, and return the operation identifier. It is possible to
     * choose the timestamp at which the operation becomes executable as long as it satisfies the execution delays
     * required for the caller. The special value zero will automatically set the earliest possible time.
     *
     * Returns the `operationId` that was scheduled. Since this value is a hash of the parameters, it can reoccur when
     * the same parameters are used; if this is relevant, the returned `nonce` can be used to uniquely identify this
     * scheduled operation from other occurrences of the same `operationId` in invocations of {execute} and {cancel}.
     *
     * Emits a {OperationScheduled} event.
     *
     * NOTE: It is not possible to concurrently schedule more than one operation with the same `target` and `data`. If
     * this is necessary, a random byte can be appended to `data` to act as a salt that will be ignored by the target
     * contract if it is using standard Solidity ABI encoding.
     */
    function schedule(address target, bytes calldata data, uint48 when) external returns (bytes32, uint32);

    /**
     * @dev Execute a function that is delay restricted, provided it was properly scheduled beforehand, or the
     * execution delay is 0.
     *
     * Returns the nonce that identifies the previously scheduled operation that is executed, or 0 if the
     * operation wasn't previously scheduled (if the caller doesn't have an execution delay).
     *
     * Emits an {OperationExecuted} event only if the call was scheduled and delayed.
     */
    function execute(address target, bytes calldata data) external payable returns (uint32);

    /**
     * @dev Cancel a scheduled (delayed) operation. Returns the nonce that identifies the previously scheduled
     * operation that is cancelled.
     *
     * Requirements:
     *
     * - the caller must be the proposer, a guardian of the targeted function, or a global admin
     *
     * Emits a {OperationCanceled} event.
     */
    function cancel(address caller, address target, bytes calldata data) external returns (uint32);

    /**
     * @dev Consume a scheduled operation targeting the caller. If such an operation exists, mark it as consumed
     * (emit an {OperationExecuted} event and clean the state). Otherwise, throw an error.
     *
     * This is useful for contract that want to enforce that calls targeting them were scheduled on the manager,
     * with all the verifications that it implies.
     *
     * Emit a {OperationExecuted} event.
     */
    function consumeScheduledOp(address caller, bytes calldata data) external;

    /**
     * @dev Hashing function for delayed operations.
     */
    function hashOperation(address caller, address target, bytes calldata data) external view returns (bytes32);

    /**
     * @dev Changes the authority of a target managed by this manager instance.
     *
     * Requirements:
     *
     * - the caller must be a global admin
     */
    function updateAuthority(address target, address newAuthority) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AccessManaged.sol)

pragma solidity ^0.8.20;

import {IAuthority} from "@openzeppelin/contracts/access/manager/IAuthority.sol";
import {AuthorityUtils} from "@openzeppelin/contracts/access/manager/AuthorityUtils.sol";
import {IAccessManager} from "@openzeppelin/contracts/access/manager/IAccessManager.sol";
import {IAccessManaged} from "@openzeppelin/contracts/access/manager/IAccessManaged.sol";
import {ContextUpgradeable} from "../../utils/ContextUpgradeable.sol";
import {Initializable} from "../../proxy/utils/Initializable.sol";

/**
 * @dev This contract module makes available a {restricted} modifier. Functions decorated with this modifier will be
 * permissioned according to an "authority": a contract like {AccessManager} that follows the {IAuthority} interface,
 * implementing a policy that allows certain callers to access certain functions.
 *
 * IMPORTANT: The `restricted` modifier should never be used on `internal` functions, judiciously used in `public`
 * functions, and ideally only used in `external` functions. See {restricted}.
 */
abstract contract AccessManagedUpgradeable is Initializable, ContextUpgradeable, IAccessManaged {
    /// @custom:storage-location erc7201:openzeppelin.storage.AccessManaged
    struct AccessManagedStorage {
        address _authority;

        bool _consumingSchedule;
    }

    // keccak256(abi.encode(uint256(keccak256("openzeppelin.storage.AccessManaged")) - 1)) & ~bytes32(uint256(0xff))
    bytes32 private constant AccessManagedStorageLocation = 0xf3177357ab46d8af007ab3fdb9af81da189e1068fefdc0073dca88a2cab40a00;

    function _getAccessManagedStorage() private pure returns (AccessManagedStorage storage $) {
        assembly {
            $.slot := AccessManagedStorageLocation
        }
    }

    /**
     * @dev Initializes the contract connected to an initial authority.
     */
    function __AccessManaged_init(address initialAuthority) internal onlyInitializing {
        __AccessManaged_init_unchained(initialAuthority);
    }

    function __AccessManaged_init_unchained(address initialAuthority) internal onlyInitializing {
        _setAuthority(initialAuthority);
    }

    /**
     * @dev Restricts access to a function as defined by the connected Authority for this contract and the
     * caller and selector of the function that entered the contract.
     *
     * [IMPORTANT]
     * ====
     * In general, this modifier should only be used on `external` functions. It is okay to use it on `public`
     * functions that are used as external entry points and are not called internally. Unless you know what you're
     * doing, it should never be used on `internal` functions. Failure to follow these rules can have critical security
     * implications! This is because the permissions are determined by the function that entered the contract, i.e. the
     * function at the bottom of the call stack, and not the function where the modifier is visible in the source code.
     * ====
     *
     * [WARNING]
     * ====
     * Avoid adding this modifier to the https://docs.soliditylang.org/en/v0.8.20/contracts.html#receive-ether-function[`receive()`]
     * function or the https://docs.soliditylang.org/en/v0.8.20/contracts.html#fallback-function[`fallback()`]. These
     * functions are the only execution paths where a function selector cannot be unambiguosly determined from the calldata
     * since the selector defaults to `0x00000000` in the `receive()` function and similarly in the `fallback()` function
     * if no calldata is provided. (See {_checkCanCall}).
     *
     * The `receive()` function will always panic whereas the `fallback()` may panic depending on the calldata length.
     * ====
     */
    modifier restricted() {
        _checkCanCall(_msgSender(), _msgData());
        _;
    }

    /// @inheritdoc IAccessManaged
    function authority() public view virtual returns (address) {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        return $._authority;
    }

    /// @inheritdoc IAccessManaged
    function setAuthority(address newAuthority) public virtual {
        address caller = _msgSender();
        if (caller != authority()) {
            revert AccessManagedUnauthorized(caller);
        }
        if (newAuthority.code.length == 0) {
            revert AccessManagedInvalidAuthority(newAuthority);
        }
        _setAuthority(newAuthority);
    }

    /// @inheritdoc IAccessManaged
    function isConsumingScheduledOp() public view returns (bytes4) {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        return $._consumingSchedule ? this.isConsumingScheduledOp.selector : bytes4(0);
    }

    /**
     * @dev Transfers control to a new authority. Internal function with no access restriction. Allows bypassing the
     * permissions set by the current authority.
     */
    function _setAuthority(address newAuthority) internal virtual {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        $._authority = newAuthority;
        emit AuthorityUpdated(newAuthority);
    }

    /**
     * @dev Reverts if the caller is not allowed to call the function identified by a selector. Panics if the calldata
     * is less than 4 bytes long.
     */
    function _checkCanCall(address caller, bytes calldata data) internal virtual {
        AccessManagedStorage storage $ = _getAccessManagedStorage();
        (bool immediate, uint32 delay) = AuthorityUtils.canCallWithDelay(
            authority(),
            caller,
            address(this),
            bytes4(data[0:4])
        );
        if (!immediate) {
            if (delay > 0) {
                $._consumingSchedule = true;
                IAccessManager(authority()).consumeScheduledOp(caller, data);
                $._consumingSchedule = false;
            } else {
                revert AccessManagedUnauthorized(caller);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/BeaconProxy.sol)

pragma solidity ^0.8.20;

import {IBeacon} from "./IBeacon.sol";
import {Proxy} from "../Proxy.sol";
import {ERC1967Utils} from "../ERC1967/ERC1967Utils.sol";

/**
 * @dev This contract implements a proxy that gets the implementation address for each call from an {UpgradeableBeacon}.
 *
 * The beacon address can only be set once during construction, and cannot be changed afterwards. It is stored in an
 * immutable variable to avoid unnecessary storage reads, and also in the beacon storage slot specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] so that it can be accessed externally.
 *
 * CAUTION: Since the beacon address can never be changed, you must ensure that you either control the beacon, or trust
 * the beacon to not upgrade the implementation maliciously.
 *
 * IMPORTANT: Do not use the implementation logic to modify the beacon storage slot. Doing so would leave the proxy in
 * an inconsistent state where the beacon storage slot does not match the beacon address.
 */
contract BeaconProxy is Proxy {
    // An immutable address for the beacon to avoid unnecessary SLOADs before each delegate call.
    address private immutable _beacon;

    /**
     * @dev Initializes the proxy with `beacon`.
     *
     * If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
     * will typically be an encoded function call, and allows initializing the storage of the proxy like a Solidity
     * constructor.
     *
     * Requirements:
     *
     * - `beacon` must be a contract with the interface {IBeacon}.
     * - If `data` is empty, `msg.value` must be zero.
     */
    constructor(address beacon, bytes memory data) payable {
        ERC1967Utils.upgradeBeaconToAndCall(beacon, data);
        _beacon = beacon;
    }

    /**
     * @dev Returns the current implementation address of the associated beacon.
     */
    function _implementation() internal view virtual override returns (address) {
        return IBeacon(_getBeacon()).implementation();
    }

    /**
     * @dev Returns the beacon.
     */
    function _getBeacon() internal view virtual returns (address) {
        return _beacon;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../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;

    /**
     * @dev An operation with an ERC20 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.
     */
    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.
     */
    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.
     */
    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 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);
        if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
            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 silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // 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 cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.20;

interface IFactory {
    /* Errors
     *****************************************************************************************************************/
    error BeaconNotSet();
    error CurveFactoryNotSet();
    error DeploymentFailed();
    error AddressError();
    error FailedToFetchCurveFactoryAddress();
    error UnregisteredPT();
    error CurvePoolCoinError();
    error ExpiredPT();

    struct CurvePoolParams {
        uint256 A;
        uint256 gamma;
        uint256 mid_fee;
        uint256 out_fee;
        uint256 allowed_extra_profit;
        uint256 fee_gamma;
        uint256 adjustment_step;
        uint256 admin_fee;
        uint256 ma_half_time;
        uint256 initial_price;
    }

    /**
     * @notice Deploys a PT.
     * @param _ibt The address of the ibt that will be associated with the PT.
     * @param _duration The duration of the PT.
     * @return pt The address of the deployed PT.
     */
    function deployPT(address _ibt, uint256 _duration) external returns (address pt);

    /**
     * @notice Deploys a Curve Pool for a PT and its associated IBT.
     * @param _pt The address of the PT.
     * @param curvePoolParams The curve pool parameters to be used in the deployment.
     * For example, the Curve Factory will deploy a pool like so:
     * abi.encodeWithSelector(initialize.selector, params)
     * List of parameters: name, symbol, coins [ibt,pt], A, gamma, mid_fee, out_fee,
     * allowed_extra_profit, fee_gamma, adjustment_step, admin_fee, ma_half_time, initial_price
     * @param _initialLiquidityInIBT The initial IBT liquidity (to be split between IBT/PT) to be added to pool after deployment.
     * @param _minPTShares The minimum allowed shares from deposit in PT. Ignored if _initialLiquidityInIBT is 0.
     * @return curvePoolAddr The address of the deployed curve pool.
     */
    function deployCurvePool(
        address _pt,
        CurvePoolParams calldata curvePoolParams,
        uint256 _initialLiquidityInIBT,
        uint256 _minPTShares
    ) external returns (address curvePoolAddr);

    /**
     * @notice Deploys associated PT and Curve Pool.
     * @param _ibt The address of the ibt that will be associated with the pool.
     * @param curvePoolParams The curve pool parameters to be used in the deployment.
     * For example, the Curve Factory will deploy a pool like so:
     * abi.encodeWithSelector(initialize.selector, params)
     * List of parameters: name, symbol, coins [ibt,pt], A, gamma, mid_fee, out_fee,
     * allowed_extra_profit, fee_gamma, adjustment_step, admin_fee, ma_half_time, initial_price
     * @param _initialLiquidityInIBT The initial IBT liquidity (to be split between IBT/PT) to be added to pool after deployment.
     * @param _minPTShares The minimum allowed shares from deposit in PT. Ignored if _initialLiquidityInIBT is 0.
     * @return pt The address of the deployed PT.
     * @return curvePoolAddr The address of the deployed curve pool.
     */
    function deployAll(
        address _ibt,
        uint256 _duration,
        CurvePoolParams calldata curvePoolParams,
        uint256 _initialLiquidityInIBT,
        uint256 _minPTShares
    ) external returns (address pt, address curvePoolAddr);

    /* GETTERS
     *****************************************************************************************************************/

    /**
     * @notice Getter for the registry address.
     * @return The address of the registry
     */
    function getRegistry() external view returns (address);

    /**
     * @notice Getter for the Curve Factory address
     * @return The address of the Curve Factory
     */
    function getCurveFactory() external view returns (address);

    /* SETTERS
     *****************************************************************************************************************/

    /**
     * @notice Setter for the Curve factory address used for deploying curve pools.
     * Can only be called by admin.
     * @param _curveFactory The address of the Curve Factory.
     */
    function setCurveFactory(address _curveFactory) external;
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.20;

interface ICurvePool {
    function coins(uint256 index) external view returns (address);

    function balances(uint256 index) external view returns (uint256);

    function A() external view returns (uint256);

    function gamma() external view returns (uint256);

    function D() external view returns (uint256);

    function token() external view returns (address);

    function price_scale() external view returns (uint256);

    function future_A_gamma_time() external view returns (uint256);

    function future_A_gamma() external view returns (uint256);

    function initial_A_gamma_time() external view returns (uint256);

    function initial_A_gamma() external view returns (uint256);

    function fee_gamma() external view returns (uint256);

    function mid_fee() external view returns (uint256);

    function out_fee() external view returns (uint256);

    function allowed_extra_profit() external view returns (uint256);

    function adjustment_step() external view returns (uint256);

    function admin_fee() external view returns (uint256);

    function ma_half_time() external view returns (uint256);

    function get_virtual_price() external view returns (uint256);

    function fee() external view returns (uint256);

    function get_dy(uint256 i, uint256 j, uint256 dx) external view returns (uint256);

    function last_prices() external view returns (uint256);

    function calc_token_amount(uint256[2] calldata amounts) external view returns (uint256);

    function calc_withdraw_one_coin(
        uint256 _token_amount,
        uint256 i
    ) external view returns (uint256);

    function exchange(
        uint256 i,
        uint256 j,
        uint256 dx,
        uint256 min_dy,
        bool use_eth,
        address receiver
    ) external returns (uint256);

    function add_liquidity(
        uint256[2] calldata amounts,
        uint256 min_mint_amount
    ) external returns (uint256);

    function add_liquidity(
        uint256[2] calldata amounts,
        uint256 min_mint_amount,
        bool use_eth,
        address receiver
    ) external returns (uint256);

    function remove_liquidity(uint256 amount, uint256[2] calldata min_amounts) external;

    function remove_liquidity(
        uint256 amount,
        uint256[2] calldata min_amounts,
        bool use_eth,
        address receiver
    ) external;

    function remove_liquidity_one_coin(
        uint256 token_amount,
        uint256 i,
        uint256 min_amount
    ) external;

    function remove_liquidity_one_coin(
        uint256 token_amount,
        uint256 i,
        uint256 min_amount,
        bool use_eth,
        address receiver
    ) external;
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.20;

interface ICurveFactory {
    function deploy_pool(
        string calldata _name,
        string calldata _symbol,
        address[2] calldata _coins,
        uint256 A,
        uint256 gamma,
        uint256 mid_fee,
        uint256 out_fee,
        uint256 allowed_extra_profit,
        uint256 fee_gamma,
        uint256 adjustment_step,
        uint256 admin_fee,
        uint256 ma_half_time,
        uint256 initial_price
    ) external returns (address);
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.20;

import "openzeppelin-contracts/interfaces/IERC20.sol";
import "openzeppelin-contracts/interfaces/IERC20Metadata.sol";
import "openzeppelin-contracts/interfaces/IERC3156FlashLender.sol";

interface IPrincipalToken is IERC20, IERC20Metadata, IERC3156FlashLender {
    /* ERRORS
     *****************************************************************************************************************/

    error InvalidDecimals();
    error BeaconNotSet();
    error PTExpired();
    error PTNotExpired();
    error RateError();
    error AddressError();
    error UnauthorizedCaller();
    error RatesAtExpiryAlreadyStored();
    error ERC5143SlippageProtectionFailed();
    error InsufficientBalance();
    error FlashLoanExceedsMaxAmount();
    error FlashLoanCallbackFailed();
    error NoRewardsProxy();
    error ClaimRewardsFailed();

    /* Functions
     *****************************************************************************************************************/

    function initialize(address _ibt, uint256 _duration, address initialAuthority) external;

    /**
     * @notice Toggle Pause
     * @dev Should only be called in extraordinary situations by the admin of the contract
     */
    function pause() external;

    /**
     * @notice Toggle UnPause
     * @dev Should only be called in extraordinary situations by the admin of the contract
     */
    function unPause() external;

    /**
     * @notice Deposits amount of assets in the PT vault
     * @param assets The amount of assets being deposited
     * @param receiver The receiver address of the shares
     * @return shares The amount of shares minted (same amount for PT & yt)
     */
    function deposit(uint256 assets, address receiver) external returns (uint256 shares);

    /**
     * @notice Deposits amount of assets in the PT vault
     * @param assets The amount of assets being deposited
     * @param ptReceiver The receiver address of the PTs
     * @param ytReceiver the receiver address of the YTs
     * @return shares The amount of shares minted (same amount for PT & yt)
     */
    function deposit(
        uint256 assets,
        address ptReceiver,
        address ytReceiver
    ) external returns (uint256 shares);

    /**
     * @notice Deposits amount of assets with a lower bound on shares received
     * @param assets The amount of assets being deposited
     * @param ptReceiver The receiver address of the PTs
     * @param ytReceiver The receiver address of the YTs
     * @param minShares The minimum allowed shares from this deposit
     * @return shares The amount of shares actually minted to the receiver
     */
    function deposit(
        uint256 assets,
        address ptReceiver,
        address ytReceiver,
        uint256 minShares
    ) external returns (uint256 shares);

    /**
     * @notice Same as normal deposit but with IBTs
     * @param ibts The amount of IBT being deposited
     * @param receiver The receiver address of the shares
     * @return shares The amount of shares minted to the receiver
     */
    function depositIBT(uint256 ibts, address receiver) external returns (uint256 shares);

    /**
     * @notice Same as normal deposit but with IBTs
     * @param ibts The amount of IBT being deposited
     * @param ptReceiver The receiver address of the PTs
     * @param ytReceiver the receiver address of the YTs
     * @return shares The amount of shares minted to the receiver
     */
    function depositIBT(
        uint256 ibts,
        address ptReceiver,
        address ytReceiver
    ) external returns (uint256 shares);

    /**
     * @notice Same as normal deposit but with IBTs
     * @param ibts The amount of IBT being deposited
     * @param ptReceiver The receiver address of the PTs
     * @param ytReceiver The receiver address of the YTs
     * @param minShares The minimum allowed shares from this deposit
     * @return shares The amount of shares minted to the receiver
     */
    function depositIBT(
        uint256 ibts,
        address ptReceiver,
        address ytReceiver,
        uint256 minShares
    ) external returns (uint256 shares);

    /**
     * @notice Burns owner's shares (PTs and YTs before expiry, PTs after expiry)
     * and sends assets to receiver
     * @param shares The amount of shares to burn
     * @param receiver The address that will receive the assets
     * @param owner The owner of the shares
     * @return assets The actual amount of assets received for burning the shares
     */
    function redeem(
        uint256 shares,
        address receiver,
        address owner
    ) external returns (uint256 assets);

    /**
     * @notice Burns owner's shares (PTs and YTs before expiry, PTs after expiry)
     * and sends assets to receiver
     * @param shares The amount of shares to burn
     * @param receiver The address that will receive the assets
     * @param owner The owner of the shares
     * @param minAssets The minimum assets that should be returned to user
     * @return assets The actual amount of assets received for burning the shares
     */
    function redeem(
        uint256 shares,
        address receiver,
        address owner,
        uint256 minAssets
    ) external returns (uint256 assets);

    /**
     * @notice Burns owner's shares (PTs and YTs before expiry, PTs after expiry)
     * and sends IBTs to receiver
     * @param shares The amount of shares to burn
     * @param receiver The address that will receive the IBTs
     * @param owner The owner of the shares
     * @return ibts The actual amount of IBT received for burning the shares
     */
    function redeemForIBT(
        uint256 shares,
        address receiver,
        address owner
    ) external returns (uint256 ibts);

    /**
     * @notice Burns owner's shares (PTs and YTs before expiry, PTs after expiry)
     * and sends IBTs to receiver
     * @param shares The amount of shares to burn
     * @param receiver The address that will receive the IBTs
     * @param owner The owner of the shares
     * @param minIbts The minimum IBTs that should be returned to user
     * @return ibts The actual amount of IBT received for burning the shares
     */
    function redeemForIBT(
        uint256 shares,
        address receiver,
        address owner,
        uint256 minIbts
    ) external returns (uint256 ibts);

    /**
     * @notice Burns owner's shares (before expiry : PTs and YTs) and sends assets to receiver
     * @param assets The amount of assets to be received
     * @param receiver The address that will receive the assets
     * @param owner The owner of the shares (PTs and YTs)
     * @return shares The actual amount of shares burnt for receiving the assets
     */
    function withdraw(
        uint256 assets,
        address receiver,
        address owner
    ) external returns (uint256 shares);

    /**
     * @notice Burns owner's shares (before expiry : PTs and YTs) and sends assets to receiver
     * @param assets The amount of assets to be received
     * @param receiver The address that will receive the assets
     * @param owner The owner of the shares (PTs and YTs)
     * @param maxShares The maximum shares allowed to be burnt
     * @return shares The actual amount of shares burnt for receiving the assets
     */
    function withdraw(
        uint256 assets,
        address receiver,
        address owner,
        uint256 maxShares
    ) external returns (uint256 shares);

    /**
     * @notice Burns owner's shares (before expiry : PTs and YTs) and sends IBTs to receiver
     * @param ibts The amount of IBT to be received
     * @param receiver The address that will receive the IBTs
     * @param owner The owner of the shares (PTs and YTs)
     * @return shares The actual amount of shares burnt for receiving the IBTs
     */
    function withdrawIBT(
        uint256 ibts,
        address receiver,
        address owner
    ) external returns (uint256 shares);

    /**
     * @notice Burns owner's shares (before expiry : PTs and YTs) and sends IBTs to receiver
     * @param ibts The amount of IBT to be received
     * @param receiver The address that will receive the IBTs
     * @param owner The owner of the shares (PTs and YTs)
     * @param maxShares The maximum shares allowed to be burnt
     * @return shares The actual amount of shares burnt for receiving the IBTs
     */
    function withdrawIBT(
        uint256 ibts,
        address receiver,
        address owner,
        uint256 maxShares
    ) external returns (uint256 shares);

    /**
     * @notice Updates _user's yield since last update
     * @param _user The user whose yield will be updated
     * @return updatedUserYieldInIBT The unclaimed yield of the user in IBT (not just the updated yield)
     */
    function updateYield(address _user) external returns (uint256 updatedUserYieldInIBT);

    /**
     * @notice Claims caller's unclaimed yield in asset
     * @param _receiver The receiver of yield
     * @param _minAssets The minimum amount of assets that should be received
     * @return yieldInAsset The amount of yield claimed in asset
     */
    function claimYield(
        address _receiver,
        uint256 _minAssets
    ) external returns (uint256 yieldInAsset);

    /**
     * @notice Claims caller's unclaimed yield in IBT
     * @param _receiver The receiver of yield
     * @param _minIBT The minimum amount of IBT that should be received
     * @return yieldInIBT The amount of yield claimed in IBT
     */
    function claimYieldInIBT(
        address _receiver,
        uint256 _minIBT
    ) external returns (uint256 yieldInIBT);

    /**
     * @notice Claims the collected ibt fees and redeems them to the fee collector
     * @param _minAssets The minimum amount of assets that should be received
     * @return assets The amount of assets sent to the fee collector
     */
    function claimFees(uint256 _minAssets) external returns (uint256 assets);

    /**
     * @notice Updates yield of both sender and receiver of YTs
     * @param _from the sender of YTs
     * @param _to the receiver of YTs
     */
    function beforeYtTransfer(address _from, address _to) external;

    /**
     * Call the claimRewards function of the rewards contract
     * @param data The optional data to be passed to the rewards contract
     */
    function claimRewards(bytes memory data) external;

    /* SETTERS
     *****************************************************************************************************************/

    /**
     * @notice Stores PT and IBT rates at expiry. Ideally, it should be called the day of expiry
     */
    function storeRatesAtExpiry() external;

    /** Set a new Rewards Proxy
     * @param _rewardsProxy The address of the new reward proxy
     */
    function setRewardsProxy(address _rewardsProxy) external;

    /* GETTERS
     *****************************************************************************************************************/

    /**
     * @notice Returns the amount of shares minted for the theorical deposited amount of assets
     * @param assets The amount of assets deposited
     * @return The amount of shares minted
     */
    function previewDeposit(uint256 assets) external view returns (uint256);

    /**
     * @notice Returns the amount of shares minted for the theorical deposited amount of IBT
     * @param ibts The amount of IBT deposited
     * @return The amount of shares minted
     */
    function previewDepositIBT(uint256 ibts) external view returns (uint256);

    /**
     * @notice Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
     * through a deposit call.
     * @param receiver The receiver of the shares
     * @return The maximum amount of assets that can be deposited
     */
    function maxDeposit(address receiver) external view returns (uint256);

    /**
     * @notice Returns the theorical amount of shares that need to be burnt to receive assets of underlying
     * @param assets The amount of assets to receive
     * @return The amount of shares burnt
     */
    function previewWithdraw(uint256 assets) external view returns (uint256);

    /**
     * @notice Returns the theorical amount of shares that need to be burnt to receive amount of IBT
     * @param ibts The amount of IBT to receive
     * @return The amount of shares burnt
     */
    function previewWithdrawIBT(uint256 ibts) external view returns (uint256);

    /**
     * @notice Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
     * Vault, through a withdraw call.
     * @param owner The owner of the Vault shares
     * @return The maximum amount of assets that can be withdrawn
     */
    function maxWithdraw(address owner) external view returns (uint256);

    /**
     * @notice Returns the maximum amount of the IBT that can be withdrawn from the owner balance in the
     * Vault, through a withdraw call.
     * @param owner The owner of the Vault shares
     * @return The maximum amount of IBT that can be withdrawn
     */
    function maxWithdrawIBT(address owner) external view returns (uint256);

    /**
     * @notice Returns the amount of assets received for the theorical amount of burnt shares
     * @param shares The amount of shares to burn
     * @return The amount of assets received
     */
    function previewRedeem(uint256 shares) external view returns (uint256);

    /**
     * @notice Returns the amount of IBT received for the theorical amount of burnt shares
     * @param shares The amount of shares to burn
     * @return The amount of IBT received
     */
    function previewRedeemForIBT(uint256 shares) external view returns (uint256);

    /**
     * @notice Returns the maximum amount of Vault shares that can be redeemed by the owner
     * @notice This function behaves differently before and after expiry. Before expiry an equal amount of PT and YT
     * needs to be burnt, while after expiry only PTs are burnt.
     * @param owner The owner of the shares
     * @return The maximum amount of shares that can be redeemed
     */
    function maxRedeem(address owner) external view returns (uint256);

    /**
     * Returns the total amount of the underlying asset that is owned by the Vault in the form of IBT.
     */
    function totalAssets() external view returns (uint256);

    /**
     * @notice Converts an underlying amount in principal. Equivalent to ERC-4626's convertToShares method.
     * @param underlyingAmount The amount of underlying (or assets) to convert
     * @return The resulting amount of principal (or shares)
     */
    function convertToPrincipal(uint256 underlyingAmount) external view returns (uint256);

    /**
     * @notice Converts a principal amount in underlying. Equivalent to ERC-4626's convertToAssets method.
     * @param principalAmount The amount of principal (or shares) to convert
     * @return The resulting amount of underlying (or assets)
     */
    function convertToUnderlying(uint256 principalAmount) external view returns (uint256);

    /**
     * @notice Returns whether or not the contract is paused.
     * @return true if the contract is paused, and false otherwise
     */
    function paused() external view returns (bool);

    /**
     * @notice Returns the unix timestamp (uint256) at which the PT contract expires
     * @return The unix timestamp (uint256) when PTs become redeemable
     */
    function maturity() external view returns (uint256);

    /**
     * @notice Returns the duration of the PT contract
     * @return The duration (in s) to expiry/maturity of the PT contract
     */
    function getDuration() external view returns (uint256);

    /**
     * @notice Returns the address of the underlying token (or asset). Equivalent to ERC-4626's asset method.
     * @return The address of the underlying token (or asset)
     */
    function underlying() external view returns (address);

    /**
     * @notice Returns the IBT address of the PT contract
     * @return ibt The address of the IBT
     */
    function getIBT() external view returns (address ibt);

    /**
     * @notice Returns the yt address of the PT contract
     * @return yt The address of the yt
     */
    function getYT() external view returns (address yt);

    /**
     * @notice Returns the current ibtRate
     * @return The current ibtRate
     */
    function getIBTRate() external view returns (uint256);

    /**
     * @notice Returns the current ptRate
     * @return The current ptRate
     */
    function getPTRate() external view returns (uint256);

    /**
     * @notice Returns 1 unit of IBT
     * @return The IBT unit
     */
    function getIBTUnit() external view returns (uint256);

    /**
     * @notice Get the unclaimed fees in IBT
     * @return The unclaimed fees in IBT
     */
    function getUnclaimedFeesInIBT() external view returns (uint256);

    /**
     * @notice Get the total collected fees in IBT (claimed and unclaimed)
     * @return The total fees in IBT
     */
    function getTotalFeesInIBT() external view returns (uint256);

    /**
     * @notice Get the tokenization fee of the PT
     * @return The tokenization fee
     */
    function getTokenizationFee() external view returns (uint256);

    /**
     * @notice Get the current IBT yield of the user
     * @param _user The address of the user to get the current yield from
     * @return The yield of the user in IBT
     */
    function getCurrentYieldOfUserInIBT(address _user) external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.20;

interface IRegistry {
    /* Errors
     *****************************************************************************************************************/
    error FeeGreaterThanMaxValue();
    error PTListUpdateFailed();
    error ReductionTooBig();
    error AddressError();

    /* GETTERS
     *****************************************************************************************************************/

    /**
     * @notice Getter for the factory address
     * @return The address of token factory
     */
    function getFactory() external view returns (address);

    /**
     * @notice Get the address of the router
     * @return The address of the router
     */
    function getRouter() external view returns (address);

    /**
     * @notice Get the address of the routerUtil
     * @return The address of the routerUtil
     */
    function getRouterUtil() external view returns (address);

    /**
     * @notice Get the address of the pt beacon
     * @return The address of PT beacon
     */
    function getPTBeacon() external view returns (address);

    /**
     * @notice Get the address of the yt beacon
     * @return The address of yt beacon
     */
    function getYTBeacon() external view returns (address);

    /**
     * @notice Get the value of tokenization fee
     * @return The value of tokenization fee
     */
    function getTokenizationFee() external view returns (uint256);

    /**
     * @notice Get the value of yield fee
     * @return The value of yield fee
     */
    function getYieldFee() external view returns (uint256);

    /**
     * @notice Get the value of PT flash loan fee
     * @return The value of PT flash loan fee
     */
    function getPTFlashLoanFee() external view returns (uint256);

    /**
     * @notice Get the address of the fee collector
     * @return The address of fee collector
     */
    function getFeeCollector() external view returns (address);

    /**
     * @notice Get the fee reduction of the given user for the given pt
     * @param _pt The address of the pt
     * @param _user The address of the user
     * @return The fee reduction of the given user for the given pt
     */
    function getFeeReduction(address _pt, address _user) external view returns (uint256);

    /**
     * @notice Getter to check if a pt is registered
     * @param _pt the address of the pt to check the registration of
     * @return true if it is, false otherwise
     */
    function isRegisteredPT(address _pt) external view returns (bool);

    /**
     * @notice Getter for the pt registered at an index
     * @param _index the index of the pt to return
     * @return The address of the corresponding pt
     */
    function getPTAt(uint256 _index) external view returns (address);

    /**
     * @notice Getter for number of PT registered
     * @return The number of PT registered
     */
    function pTCount() external view returns (uint256);

    /* SETTERS
     *****************************************************************************************************************/

    /**
     * @notice Setter for the tokens factory address
     * @param _newFactory The address of the new factory
     */
    function setFactory(address _newFactory) external;

    /**
     * @notice set the router
     * @param _router The address of the router
     */
    function setRouter(address _router) external;

    /**
     * @notice set the routerUtil
     * @param _routerUtil The address of the routerUtil
     */
    function setRouterUtil(address _routerUtil) external;

    /**
     * @notice set the tokenization fee
     * @param _tokenizationFee The value of tokenization fee
     */
    function setTokenizationFee(uint256 _tokenizationFee) external;

    /**
     * @notice set the yield fee
     * @param _yieldFee The value of yield fee
     */
    function setYieldFee(uint256 _yieldFee) external;

    /**
     * @notice set the PT flash loan fee
     * @param _ptFlashLoanFee The value of PT flash loan fee
     */
    function setPTFlashLoanFee(uint256 _ptFlashLoanFee) external;

    /**
     * @notice set the fee collector
     * @param _feeCollector The address of fee collector
     */
    function setFeeCollector(address _feeCollector) external;

    /**
     * @notice Set the fee reduction of the given pt for the given user
     * @param _pt The address of the pt
     * @param _user The address of the user
     * @param _reduction The fee reduction
     */
    function reduceFee(address _pt, address _user, uint256 _reduction) external;

    /**
     * @notice set the pt beacon
     * @param _ptBeacon The address of PT beacon
     */
    function setPTBeacon(address _ptBeacon) external;

    /**
     * @notice set the yt beacon
     * @param _ytBeacon The address of yt beacon
     */
    function setYTBeacon(address _ytBeacon) external;

    /**
     * @notice Add a pt to the registry
     * @param _pt The address of the pt to add to the registry
     */
    function addPT(address _pt) external;

    /**
     * @notice Remove a pt from the registry
     * @param _pt The address of the pt to remove from the registry
     */
    function removePT(address _pt) external;
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.20;

import "../interfaces/ICurvePool.sol";
import "../interfaces/IPrincipalToken.sol";
import "openzeppelin-math/Math.sol";

/**
 * @title CurvePoolUtil library
 * @author Spectra Finance
 * @notice Provides miscellaneous utils for computations related to Curve protocol.
 */
library CurvePoolUtil {
    using Math for uint256;

    error SolutionNotFound();
    error FailedToFetchExpectedLPTokenAmount();
    error FailedToFetchExpectedCoinAmount();

    /// @notice Decimal precision used internally in the Curve AMM
    uint256 public constant CURVE_DECIMALS = 18;
    /// @notice Base unit for Curve AMM calculations
    uint256 public constant CURVE_UNIT = 1e18;
    /// @notice Make rounding errors favoring other LPs a tiny bit
    uint256 private constant APPROXIMATION_DECREMENT = 1;
    /// @notice Maximal number of iterations in the binary search algorithm
    uint256 private constant MAX_ITERATIONS_BINSEARCH = 255;

    /**
     * @notice Returns the expected LP token amount received for depositing given amounts of IBT and PT
     * @param _curvePool The address of the Curve Pool in which liquidity will be deposited
     * @param _amounts Array containing the amounts of IBT and PT to deposit in the Curve Pool
     * @return minMintAmount The amount of expected LP tokens received for depositing the liquidity in the pool
     */
    function previewAddLiquidity(
        address _curvePool,
        uint256[2] memory _amounts
    ) external view returns (uint256 minMintAmount) {
        (bool success, bytes memory responseData) = _curvePool.staticcall(
            abi.encodeCall(ICurvePool(address(0)).calc_token_amount, (_amounts))
        );
        if (!success) {
            revert FailedToFetchExpectedLPTokenAmount();
        }
        minMintAmount = abi.decode(responseData, (uint256));
    }

    /**
     * @notice Returns the IBT and PT amounts received for burning a given amount of LP tokens
     * @param _curvePool The address of the curve pool
     * @param _lpTokenAmount The amount of the lp token to burn
     * @return minAmounts The expected respective amounts of IBT and PT withdrawn from the curve pool
     */
    function previewRemoveLiquidity(
        address _curvePool,
        uint256 _lpTokenAmount
    ) external view returns (uint256[2] memory minAmounts) {
        address lpToken = ICurvePool(_curvePool).token();
        uint256 totalSupply = IERC20(lpToken).totalSupply();
        (uint256 ibtBalance, uint256 ptBalance) = _getCurvePoolBalances(_curvePool);
        // decrement following what Curve is doing
        if (_lpTokenAmount > APPROXIMATION_DECREMENT && totalSupply != 0) {
            _lpTokenAmount -= APPROXIMATION_DECREMENT;
            minAmounts = [
                (ibtBalance * _lpTokenAmount) / totalSupply,
                (ptBalance * _lpTokenAmount) / totalSupply
            ];
        } else {
            minAmounts = [uint256(0), uint256(0)];
        }
    }

    /**
     * @notice Returns the amount of coin i received for burning a given amount of LP tokens
     * @param _curvePool The address of the curve pool
     * @param _lpTokenAmount The amount of the LP tokens to burn
     * @param _i The index of the unique coin to withdraw
     * @return minAmount The expected amount of coin i withdrawn from the curve pool
     */
    function previewRemoveLiquidityOneCoin(
        address _curvePool,
        uint256 _lpTokenAmount,
        uint256 _i
    ) external view returns (uint256 minAmount) {
        (bool success, bytes memory responseData) = _curvePool.staticcall(
            abi.encodeCall(ICurvePool(address(0)).calc_withdraw_one_coin, (_lpTokenAmount, _i))
        );
        if (!success) {
            revert FailedToFetchExpectedCoinAmount();
        }
        minAmount = abi.decode(responseData, (uint256));
    }

    /**
     * @notice Return the amount of IBT to deposit in the curve pool, given the total amount of IBT available for deposit
     * @param _amount The total amount of IBT available for deposit
     * @param _curvePool The address of the pool to deposit the amounts
     * @param _pt The address of the PT
     * @return ibts The amount of IBT which will be deposited in the curve pool
     */
    function calcIBTsToTokenizeForCurvePool(
        uint256 _amount,
        address _curvePool,
        address _pt
    ) external view returns (uint256 ibts) {
        (uint256 ibtBalance, uint256 ptBalance) = _getCurvePoolBalances(_curvePool);
        uint256 ibtBalanceInPT = IPrincipalToken(_pt).previewDepositIBT(ibtBalance);
        // Liquidity added in a ratio that (closely) matches the existing pool's ratio
        ibts = _amount.mulDiv(ptBalance, ibtBalanceInPT + ptBalance);
    }

    /**
     * @param _curvePool : PT/IBT curve pool
     * @param _i token index
     * @param _j token index
     * @param _targetDy amount out desired
     * @return dx The amount of token to provide in order to obtain _targetDy after swap
     */
    function getDx(
        address _curvePool,
        uint256 _i,
        uint256 _j,
        uint256 _targetDy
    ) external view returns (uint256 dx) {
        // Initial guesses
        uint256 _minGuess = type(uint256).max;
        uint256 _maxGuess = type(uint256).max;
        uint256 _factor100;
        uint256 _guess = ICurvePool(_curvePool).get_dy(_i, _j, _targetDy);

        if (_guess > _targetDy) {
            _maxGuess = _targetDy;
            _factor100 = 10;
        } else {
            _minGuess = _targetDy;
            _factor100 = 1000;
        }
        uint256 loops;
        _guess = _targetDy;
        while (!_dxSolved(_curvePool, _i, _j, _guess, _targetDy, _minGuess, _maxGuess)) {
            loops++;

            (_minGuess, _maxGuess, _guess) = _runLoop(
                _minGuess,
                _maxGuess,
                _factor100,
                _guess,
                _targetDy,
                _curvePool,
                _i,
                _j
            );

            if (loops >= MAX_ITERATIONS_BINSEARCH) {
                revert SolutionNotFound();
            }
        }
        dx = _guess;
    }

    /**
     * @dev Runs bisection search
     * @param _minGuess lower bound on searched value
     * @param _maxGuess upper bound on searched value
     * @param _factor100 search interval scaling factor
     * @param _guess The previous guess for the `dx` value that is being refined through the search process
     * @param _targetDy The target output of the `get_dy` function, which the search aims to achieve by adjusting `dx`.
     * @param _curvePool PT/IBT curve pool
     * @param _i token index, either 0 or 1
     * @param _j token index, either 0 or 1, must be different than _i
     * @return The lower bound on _guess, upper bound on _guess and next _guess
     */
    function _runLoop(
        uint256 _minGuess,
        uint256 _maxGuess,
        uint256 _factor100,
        uint256 _guess,
        uint256 _targetDy,
        address _curvePool,
        uint256 _i,
        uint256 _j
    ) internal view returns (uint256, uint256, uint256) {
        if (_minGuess == type(uint256).max || _maxGuess == type(uint256).max) {
            _guess = (_guess * _factor100) / 100;
        } else {
            _guess = (_maxGuess + _minGuess) >> 1;
        }
        uint256 dy = ICurvePool(_curvePool).get_dy(_i, _j, _guess);
        if (dy < _targetDy) {
            _minGuess = _guess;
        } else if (dy > _targetDy) {
            _maxGuess = _guess;
        }
        return (_minGuess, _maxGuess, _guess);
    }

    /**
     * @dev Returns true if algorithm converged
     * @param _curvePool PT/IBT curve pool
     * @param _i token index, either 0 or 1
     * @param _j token index, either 0 or 1, must be different than _i
     * @param _dx The current guess for the `dx` value that is being refined through the search process.
     * @param _targetDy The target output of the `get_dy` function, which the search aims to achieve by adjusting `dx`.
     * @param _minGuess lower bound on searched value
     * @param _maxGuess upper bound on searched value
     * @return true if the solution to the search problem was found, false otherwise
     */
    function _dxSolved(
        address _curvePool,
        uint256 _i,
        uint256 _j,
        uint256 _dx,
        uint256 _targetDy,
        uint256 _minGuess,
        uint256 _maxGuess
    ) internal view returns (bool) {
        if (_minGuess == type(uint256).max || _maxGuess == type(uint256).max) {
            return false;
        }
        uint256 dy = ICurvePool(_curvePool).get_dy(_i, _j, _dx);
        if (dy == _targetDy) {
            return true;
        }
        uint256 dy1 = ICurvePool(_curvePool).get_dy(_i, _j, _dx + 1);
        if (dy < _targetDy && _targetDy < dy1) {
            return true;
        }
        return false;
    }

    /**
     * @notice Returns the balances of the two tokens in provided curve pool
     * @param _curvePool address of the curve pool
     * @return The IBT and PT balances of the curve pool
     */
    function _getCurvePoolBalances(address _curvePool) internal view returns (uint256, uint256) {
        return (ICurvePool(_curvePool).balances(0), ICurvePool(_curvePool).balances(1));
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.20;

/**
 * @title Roles library
 * @author Spectra Finance
 * @notice Provides identifiers for roles used in Spectra protocol.
 */
library Roles {
    uint64 internal constant ADMIN_ROLE = 0;
    uint64 internal constant UPGRADE_ROLE = 1;
    uint64 internal constant PAUSER_ROLE = 2;
    uint64 internal constant FEE_SETTER_ROLE = 3;
    uint64 internal constant REGISTRY_ROLE = 4;
    uint64 internal constant REWARDS_HARVESTER_ROLE = 5;
    uint64 internal constant REWARDS_PROXY_SETTER_ROLE = 6;
    uint64 internal constant VOTER_GOVERNOR_ROLE = 7;
    uint64 internal constant VOTER_EMERGENCY_COUNCIL_ROLE = 8;
    uint64 internal constant VOTER_ROLE = 9;
    uint64 internal constant FEES_VOTING_REWARDS_DISTRIBUTOR_ROLE = 10;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAccessManaged.sol)

pragma solidity ^0.8.20;

interface IAccessManaged {
    /**
     * @dev Authority that manages this contract was updated.
     */
    event AuthorityUpdated(address authority);

    error AccessManagedUnauthorized(address caller);
    error AccessManagedRequiredDelay(address caller, uint32 delay);
    error AccessManagedInvalidAuthority(address authority);

    /**
     * @dev Returns the current authority.
     */
    function authority() external view returns (address);

    /**
     * @dev Transfers control to a new authority. The caller must be the current authority.
     */
    function setAuthority(address) external;

    /**
     * @dev Returns true only in the context of a delayed restricted call, at the moment that the scheduled operation is
     * being consumed. Prevents denial of service for delayed restricted calls in the case that the contract performs
     * attacker controlled calls.
     */
    function isConsumingScheduledOp() external view returns (bytes4);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/types/Time.sol)

pragma solidity ^0.8.20;

import {Math} from "../math/Math.sol";
import {SafeCast} from "../math/SafeCast.sol";

/**
 * @dev This library provides helpers for manipulating time-related objects.
 *
 * It uses the following types:
 * - `uint48` for timepoints
 * - `uint32` for durations
 *
 * While the library doesn't provide specific types for timepoints and duration, it does provide:
 * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point
 * - additional helper functions
 */
library Time {
    using Time for *;

    /**
     * @dev Get the block timestamp as a Timepoint.
     */
    function timestamp() internal view returns (uint48) {
        return SafeCast.toUint48(block.timestamp);
    }

    /**
     * @dev Get the block number as a Timepoint.
     */
    function blockNumber() internal view returns (uint48) {
        return SafeCast.toUint48(block.number);
    }

    // ==================================================== Delay =====================================================
    /**
     * @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the
     * future. The "effect" timepoint describes when the transitions happens from the "old" value to the "new" value.
     * This allows updating the delay applied to some operation while keeping some guarantees.
     *
     * In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for
     * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set
     * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should
     * still apply for some time.
     *
     *
     * The `Delay` type is 112 bits long, and packs the following:
     *
     * ```
     *   | [uint48]: effect date (timepoint)
     *   |           | [uint32]: value before (duration)
     *   ↓           ↓       ↓ [uint32]: value after (duration)
     * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC
     * ```
     *
     * NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently
     * supported.
     */
    type Delay is uint112;

    /**
     * @dev Wrap a duration into a Delay to add the one-step "update in the future" feature
     */
    function toDelay(uint32 duration) internal pure returns (Delay) {
        return Delay.wrap(duration);
    }

    /**
     * @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled
     * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered.
     */
    function _getFullAt(Delay self, uint48 timepoint) private pure returns (uint32, uint32, uint48) {
        (uint32 valueBefore, uint32 valueAfter, uint48 effect) = self.unpack();
        return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect);
    }

    /**
     * @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the
     * effect timepoint is 0, then the pending value should not be considered.
     */
    function getFull(Delay self) internal view returns (uint32, uint32, uint48) {
        return _getFullAt(self, timestamp());
    }

    /**
     * @dev Get the current value.
     */
    function get(Delay self) internal view returns (uint32) {
        (uint32 delay, , ) = self.getFull();
        return delay;
    }

    /**
     * @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to
     * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the
     * new delay becomes effective.
     */
    function withUpdate(
        Delay self,
        uint32 newValue,
        uint32 minSetback
    ) internal view returns (Delay updatedDelay, uint48 effect) {
        uint32 value = self.get();
        uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0));
        effect = timestamp() + setback;
        return (pack(value, newValue, effect), effect);
    }

    /**
     * @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint).
     */
    function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) {
        uint112 raw = Delay.unwrap(self);

        valueAfter = uint32(raw);
        valueBefore = uint32(raw >> 32);
        effect = uint48(raw >> 64);

        return (valueBefore, valueAfter, effect);
    }

    /**
     * @dev pack the components into a Delay object.
     */
    function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) {
        return Delay.wrap((uint112(effect) << 64) | (uint112(valueBefore) << 32) | uint112(valueAfter));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/IAuthority.sol)

pragma solidity ^0.8.20;

/**
 * @dev Standard interface for permissioning originally defined in Dappsys.
 */
interface IAuthority {
    /**
     * @dev Returns true if the caller can invoke on a target the function identified by a function selector.
     */
    function canCall(address caller, address target, bytes4 selector) external view returns (bool allowed);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/manager/AuthorityUtils.sol)

pragma solidity ^0.8.20;

import {IAuthority} from "./IAuthority.sol";

library AuthorityUtils {
    /**
     * @dev Since `AccessManager` implements an extended IAuthority interface, invoking `canCall` with backwards compatibility
     * for the preexisting `IAuthority` interface requires special care to avoid reverting on insufficient return data.
     * This helper function takes care of invoking `canCall` in a backwards compatible way without reverting.
     */
    function canCallWithDelay(
        address authority,
        address caller,
        address target,
        bytes4 selector
    ) internal view returns (bool immediate, uint32 delay) {
        (bool success, bytes memory data) = authority.staticcall(
            abi.encodeCall(IAuthority.canCall, (caller, target, selector))
        );
        if (success) {
            if (data.length >= 0x40) {
                (immediate, delay) = abi.decode(data, (bool, uint32));
            } else if (data.length >= 0x20) {
                immediate = abi.decode(data, (bool));
            }
        }
        return (immediate, delay);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (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;
    }
}

// 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 v5.0.0) (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.20;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {UpgradeableBeacon} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/Proxy.sol)

pragma solidity ^0.8.20;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback
     * function and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)

pragma solidity ^0.8.20;

import {IBeacon} from "../beacon/IBeacon.sol";
import {Address} from "../../utils/Address.sol";
import {StorageSlot} from "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 */
library ERC1967Utils {
    // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.
    // This will be fixed in Solidity 0.8.21. At that point we should remove these events.
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev The `implementation` of the proxy is invalid.
     */
    error ERC1967InvalidImplementation(address implementation);

    /**
     * @dev The `admin` of the proxy is invalid.
     */
    error ERC1967InvalidAdmin(address admin);

    /**
     * @dev The `beacon` of the proxy is invalid.
     */
    error ERC1967InvalidBeacon(address beacon);

    /**
     * @dev An upgrade function sees `msg.value > 0` that may be lost.
     */
    error ERC1967NonPayable();

    /**
     * @dev Returns the current implementation address.
     */
    function getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        if (newImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(newImplementation);
        }
        StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Performs implementation upgrade with additional setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);

        if (data.length > 0) {
            Address.functionDelegateCall(newImplementation, data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
     * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        if (newAdmin == address(0)) {
            revert ERC1967InvalidAdmin(address(0));
        }
        StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {IERC1967-AdminChanged} event.
     */
    function changeAdmin(address newAdmin) internal {
        emit AdminChanged(getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        if (newBeacon.code.length == 0) {
            revert ERC1967InvalidBeacon(newBeacon);
        }

        StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;

        address beaconImplementation = IBeacon(newBeacon).implementation();
        if (beaconImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(beaconImplementation);
        }
    }

    /**
     * @dev Change the beacon and trigger a setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-BeaconUpgraded} event.
     *
     * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since
     * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for
     * efficiency.
     */
    function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);

        if (data.length > 0) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract
     * if an upgrade doesn't perform an initialization call.
     */
    function _checkNonPayable() private {
        if (msg.value > 0) {
            revert ERC1967NonPayable();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 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 v5.0.0) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.20;

/**
 * @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.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
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].
     *
     * CAUTION: See Security Considerations above.
     */
    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 v5.0.0) (utils/Address.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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 AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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
     * {FailedInnerCall} 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 AddressInsufficientBalance(address(this));
        }
        (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 {FailedInnerCall}) 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 {FailedInnerCall} 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 {FailedInnerCall}.
     */
    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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert FailedInnerCall();
        }
    }
}

// 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/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC3156FlashLender.sol)

pragma solidity ^0.8.20;

import {IERC3156FlashBorrower} from "./IERC3156FlashBorrower.sol";

/**
 * @dev Interface of the ERC3156 FlashLender, as defined in
 * https://eips.ethereum.org/EIPS/eip-3156[ERC-3156].
 */
interface IERC3156FlashLender {
    /**
     * @dev The amount of currency available to be lended.
     * @param token The loan currency.
     * @return The amount of `token` that can be borrowed.
     */
    function maxFlashLoan(address token) external view returns (uint256);

    /**
     * @dev The fee to be charged for a given loan.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @return The amount of `token` to be charged for the loan, on top of the returned principal.
     */
    function flashFee(address token, uint256 amount) external view returns (uint256);

    /**
     * @dev Initiate a flash loan.
     * @param receiver The receiver of the tokens in the loan, and the receiver of the callback.
     * @param token The loan currency.
     * @param amount The amount of tokens lent.
     * @param data Arbitrary data structure, intended to contain user-defined parameters.
     */
    function flashLoan(
        IERC3156FlashBorrower receiver,
        address token,
        uint256 amount,
        bytes calldata data
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (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 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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(newImplementation.code.length > 0);
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 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 v5.0.0) (interfaces/IERC3156FlashBorrower.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC3156 FlashBorrower, as defined in
 * https://eips.ethereum.org/EIPS/eip-3156[ERC-3156].
 */
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 "ERC3156FlashBorrower.onFlashLoan"
     */
    function onFlashLoan(
        address initiator,
        address token,
        uint256 amount,
        uint256 fee,
        bytes calldata data
    ) external returns (bytes32);
}

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "openzeppelin-erc20-basic/=lib/openzeppelin-contracts/contracts/token/ERC20/",
    "openzeppelin-erc20-extensions/=lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/extensions/",
    "openzeppelin-erc20/=lib/openzeppelin-contracts-upgradeable/contracts/token/ERC20/",
    "openzeppelin-math/=lib/openzeppelin-contracts/contracts/utils/math/",
    "openzeppelin-proxy/=lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/",
    "openzeppelin-utils/=lib/openzeppelin-contracts/contracts/utils/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "shanghai",
  "viaIR": false,
  "libraries": {
    "src/libraries/CurvePoolUtil.sol": {
      "CurvePoolUtil": "0xe6c69Dd9c450406c3E4383431bAe36B7B6aE018c"
    },
    "src/libraries/PrincipalTokenUtil.sol": {
      "PrincipalTokenUtil": "0x335408Ca7f0258427F99eF2457291583B55d757c"
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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IFactory.CurvePoolParams","name":"_curvePoolParams","type":"tuple"},{"internalType":"uint256","name":"_initialLiquidityInIBT","type":"uint256"},{"internalType":"uint256","name":"_minPTShares","type":"uint256"}],"name":"deployAll","outputs":[{"internalType":"address","name":"pt","type":"address"},{"internalType":"address","name":"curvePool","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_pt","type":"address"},{"components":[{"internalType":"uint256","name":"A","type":"uint256"},{"internalType":"uint256","name":"gamma","type":"uint256"},{"internalType":"uint256","name":"mid_fee","type":"uint256"},{"internalType":"uint256","name":"out_fee","type":"uint256"},{"internalType":"uint256","name":"allowed_extra_profit","type":"uint256"},{"internalType":"uint256","name":"fee_gamma","type":"uint256"},{"internalType":"uint256","name":"adjustment_step","type":"uint256"},{"internalType":"uint256","name":"admin_fee","type":"uint256"},{"internalType":"uint256","name":"ma_half_time","type":"uint256"},{"internalType":"uint256","name":"initial_price","type":"uint256"}],"internalType":"struct IFactory.CurvePoolParams","name":"_curvePoolParams","type":"tuple"},{"internalType":"uint256","name":"_initialLiquidityInIBT","type":"uint256"},{"internalType":"uint256","name":"_minPTShares","type":"uint256"}],"name":"deployCurvePool","outputs":[{"internalType":"address","name":"curvePool","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_ibt","type":"address"},{"internalType":"uint256","name":"_duration","type":"uint256"}],"name":"deployPT","outputs":[{"internalType":"address","name":"pt","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getCurveFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_initialAuthority","type":"address"},{"internalType":"address","name":"_curveFactory","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isConsumingScheduledOp","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAuthority","type":"address"}],"name":"setAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_curveFactory","type":"address"}],"name":"setCurveFactory","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000cb671f588c85e1403ecb9b4f6da0dff0d1e9d3fb

-----Decoded View---------------
Arg [0] : _registry (address): 0xcb671f588c85E1403ecB9B4f6dA0dff0d1e9D3FB

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000cb671f588c85e1403ecb9b4f6da0dff0d1e9d3fb