Contract 0x709d075147a10495e5c3bBF3dfc0c138F34C6E72 3

 
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0x4c247591f9419b50fd49c822335cea1715729b6bda5c9c1f88b1ebf55b6d07c10x6101206067269802023-11-17 17:48:2712 days 9 hrs ago0x8610f105f3d0a0479d9c9d85c13b352f6c8eefee IN  Create: BalancerAMM0 ETH0.0036944683750.020000051
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Contract Source Code Verified (Exact Match)

Contract Name:
BalancerAMM

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 9 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/extensions/IERC20Metadata.sol";

File 2 of 9 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 3 of 9 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

File 4 of 9 : Math.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

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

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

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

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

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

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

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

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

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

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

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

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

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

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

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

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

File 5 of 9 : TransferHelper.sol
// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.6.0;

import '@openzeppelin/contracts/token/ERC20/IERC20.sol';

library TransferHelper {
    /// @notice Transfers tokens from the targeted address to the given destination
    /// @notice Errors with 'STF' if transfer fails
    /// @param token The contract address of the token to be transferred
    /// @param from The originating address from which the tokens will be transferred
    /// @param to The destination address of the transfer
    /// @param value The amount to be transferred
    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 value
    ) internal {
        (bool success, bytes memory data) = token.call(
            abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value)
        );
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'STF');
    }

    /// @notice Transfers tokens from msg.sender to a recipient
    /// @dev Errors with ST if transfer fails
    /// @param token The contract address of the token which will be transferred
    /// @param to The recipient of the transfer
    /// @param value The value of the transfer
    function safeTransfer(
        address token,
        address to,
        uint256 value
    ) internal {
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.transfer.selector, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'ST');
    }

    /// @notice Approves the stipulated contract to spend the given allowance in the given token
    /// @dev Errors with 'SA' if transfer fails
    /// @param token The contract address of the token to be approved
    /// @param to The target of the approval
    /// @param value The amount of the given token the target will be allowed to spend
    function safeApprove(
        address token,
        address to,
        uint256 value
    ) internal {
        (bool success, bytes memory data) = token.call(abi.encodeWithSelector(IERC20.approve.selector, to, value));
        require(success && (data.length == 0 || abi.decode(data, (bool))), 'SA');
    }

    /// @notice Transfers ETH to the recipient address
    /// @dev Fails with `STE`
    /// @param to The destination of the transfer
    /// @param value The value to be transferred
    function safeTransferETH(address to, uint256 value) internal {
        (bool success, ) = to.call{value: value}(new bytes(0));
        require(success, 'STE');
    }
}

File 6 of 9 : BalancerAMM.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

// ==========================================================
// ====================== BalancerAMM.sol ====================
// ==========================================================

/**
 * @title Balancer AMM
 * @dev Interactions with Balancer Pool
 */

import { ChainlinkLibrary, IPriceFeed } from "../Libraries/Chainlink.sol";
import { IERC20Metadata } from "@openzeppelin/contracts/interfaces/IERC20Metadata.sol";
import { Math } from "@openzeppelin/contracts/utils/math/Math.sol";
import { TransferHelper } from "@uniswap/v3-periphery/contracts/libraries/TransferHelper.sol";
import { ISweep } from "../Sweep/ISweep.sol";
import { IAsset, SingleSwap, FundManagement, SwapKind, IBalancerVault, IBalancerPool } from "../Assets/Balancer/IBalancer.sol";

contract BalancerAMM {
    using Math for uint256;

    IBalancerVault public vault;
    IBalancerPool public pool;

    IERC20Metadata public immutable base;
    ISweep public immutable sweep;
    IPriceFeed public immutable oracleBase;
    IPriceFeed public immutable sequencer;
    uint256 public immutable oracleBaseUpdateFrequency;

    uint8 private constant USD_DECIMALS = 6;
    uint16 private constant DEADLINE_GAP = 15 minutes;

    constructor(
        address _sweep,
        address _base,
        address _sequencer,
        address _oracleBase,
        uint256 _oracleBaseUpdateFrequency
    ) {
        sweep = ISweep(_sweep);
        base = IERC20Metadata(_base);
        oracleBase = IPriceFeed(_oracleBase);
        sequencer = IPriceFeed(_sequencer);
        oracleBaseUpdateFrequency = _oracleBaseUpdateFrequency;
    }

    // Events
    event Bought(uint256 usdxAmount);
    event Sold(uint256 sweepAmount);

    // Errors
    error OverZero();

    /**
     * @notice Get Price
     * @dev Get the quote for selling 1 unit of a token.
     */
    function getPrice() public view returns (uint256 price) {
        if(address(pool) == address(0)) return 2e6;
        uint256 rate = pool.getTokenRate(address(sweep));
        uint8 rateDecimals = 18;

        uint256 stablePrice = ChainlinkLibrary.getPrice(
            oracleBase,
            sequencer,
            oracleBaseUpdateFrequency
        );

        uint8 oracleDecimals = ChainlinkLibrary.getDecimals(oracleBase);
        price = rate.mulDiv(stablePrice * (10 ** base.decimals()), 10 ** (oracleDecimals + rateDecimals));
    }

    /**
     * @notice Get TWA Price
     * @dev Get the quote for selling 1 unit of a token.
     */
    function getTWAPrice() external view returns (uint256 amountOut) {
        return getPrice();
    }

    function getRate() public view returns (uint256 rate) {
        rate = sweep.targetPrice() * 1e12;
    }

    function getPositions(uint256)
        public view
        returns (uint256 usdxAmount, uint256 sweepAmount, uint256 lp)
    {
        (IAsset[] memory tokens, uint256[] memory balances,) = vault.getPoolTokens(pool.getPoolId());
        usdxAmount = findAssetIndex(address(base), tokens, balances);
        sweepAmount = findAssetIndex(address(sweep), tokens, balances);
        lp = findAssetIndex(address(pool), tokens, balances);
    }

    /* ========== Actions ========== */

    /**
     * @notice Buy Sweep
     * @param tokenAddress Token Address to use for buying sweep.
     * @param tokenAmount Token Amount.
     * @param amountOutMin Minimum amount out.
     * @dev Increases the sweep balance and decrease collateral balance.
     */
    function buySweep(
        address tokenAddress,
        uint256 tokenAmount,
        uint256 amountOutMin
    ) external returns (uint256 sweepAmount) {
        emit Bought(tokenAmount);
        sweepAmount = swapExactInput(
            tokenAddress,
            address(sweep),
            0,
            tokenAmount,
            amountOutMin
        );
    }

    /**
     * @notice Sell Sweep
     * @param tokenAddress Token Address to return after selling sweep.
     * @param sweepAmount Sweep Amount.
     * @param amountOutMin Minimum amount out.
     * @dev Decreases the sweep balance and increase collateral balance
     */
    function sellSweep(
        address tokenAddress,
        uint256 sweepAmount,
        uint256 amountOutMin
    ) external returns (uint256 tokenAmount) {
        emit Sold(sweepAmount);
        tokenAmount = swapExactInput(
            address(sweep),
            tokenAddress,
            0,
            sweepAmount,
            amountOutMin
        );
    }

    /**
     * @notice Swap tokenIn for tokenOut using balancer exact input swap
     * @param tokenIn Address to in
     * @param tokenOut Address to out
     * @param amountIn Amount of _tokenA
     * @param amountOutMin Minimum amount out.
     */
    function swapExactInput(
        address tokenIn,
        address tokenOut,
        uint24,
        uint256 amountIn,
        uint256 amountOutMin
    ) public returns (uint256 amountOut) {
        // Approval
        TransferHelper.safeTransferFrom(
            tokenIn,
            msg.sender,
            address(this),
            amountIn
        );
        TransferHelper.safeApprove(tokenIn, address(vault), amountIn);

        bytes32 poolId = pool.getPoolId();
        bytes memory userData;
        SingleSwap memory singleSwap = SingleSwap(
            poolId,
            SwapKind.GIVEN_IN,
            IAsset(tokenIn),
            IAsset(tokenOut),
            amountIn,
            userData
        );
        FundManagement memory funds = FundManagement(
            address(this),
            false,
            payable(msg.sender),
            false
        );

        uint256 deadline = block.timestamp + DEADLINE_GAP;

        amountOut = vault.swap(singleSwap, funds, amountOutMin, deadline);
    }

    function setPool(address poolAddress) external {
        require(msg.sender == sweep.owner(), "BalancerAMM: Not Governance");

        pool = IBalancerPool(poolAddress);
        vault = IBalancerVault(pool.getVault());
    }

    function findAssetIndex(address asset, IAsset[] memory assets, uint256[] memory balances) internal pure returns (uint256) {
        for (uint8 i = 0; i < assets.length; i++) {
            if ( address(assets[i]) == asset ) {
                return balances[i];
            }
        }
        revert();
    }
}

File 7 of 9 : IBalancer.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

import "@openzeppelin/contracts/interfaces/IERC20Metadata.sol";

interface IBalancerVault {
    struct JoinPoolRequest {
        IAsset[] assets;
        uint256[] maxAmountsIn;
        bytes userData;
        bool fromInternalBalance;
    }

    struct ExitPoolRequest {
        IAsset[] assets;
        uint256[] minAmountsOut;
        bytes userData;
        bool toInternalBalance;
    }

    function joinPool(bytes32 poolId, address sender, address recipient, JoinPoolRequest memory request) external payable;
    function exitPool(bytes32 poolId, address sender, address recipient, ExitPoolRequest memory request) external payable;
    function getPoolTokens(bytes32 poolId) external view returns (IAsset[] memory tokens, uint256[] memory balances, uint256 lastChangeBlock);
    function swap(SingleSwap memory singleSwap, FundManagement memory funds, uint256 limit, uint256 deadline) external returns (uint256 amountOut);
}

interface IAsset {
    // solhint-disable-previous-line no-empty-blocks
}

interface IBalancerPool is IERC20Metadata {
    function getPoolId() external view returns (bytes32);
    function getVault() external view returns (address);
    function getRate() external view returns (uint256);
    function getTokenRate(address) external view returns (uint256);
}

struct SingleSwap {
   bytes32 poolId;
   SwapKind kind;
   IAsset assetIn;
   IAsset assetOut;
   uint256 amount;
   bytes userData;
}

struct FundManagement {
    address sender;
    bool fromInternalBalance;
    address payable recipient;
    bool toInternalBalance;
}

interface IComposableStablePoolFactory {
    function create(
        string memory name,
        string memory symbol,
        IERC20[] memory tokens,
        uint256 amplificationParameter,
        IRateProvider[] memory rateProviders,
        uint256[] memory tokenRateCacheDurations,
        bool exemptFromYieldProtocolFeeFlag,
        uint256 swapFeePercentage,
        address owner,
        bytes32 salt
    ) external returns(address poolAddress);
}

interface IRateProvider {
    function getRate() external view returns (uint256);
}

enum JoinKind { INIT, EXACT_TOKENS_IN_FOR_BPT_OUT, TOKEN_IN_FOR_EXACT_BPT_OUT, ALL_TOKENS_IN_FOR_EXACT_BPT_OUT }
enum ExitKind { EXACT_BPT_IN_FOR_ONE_TOKEN_OUT, BPT_IN_FOR_EXACT_TOKENS_OUT, EXACT_BPT_IN_FOR_ALL_TOKENS_OUT }
enum SwapKind { GIVEN_IN, GIVEN_OUT }

File 8 of 9 : Chainlink.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

interface IPriceFeed {
    function latestAnswer() external view returns (int256);

    function latestTimestamp() external view returns (uint256);

    function latestRound() external view returns (uint256);

    function getAnswer(uint256 roundId) external view returns (int256);

    function getTimestamp(uint256 roundId) external view returns (uint256);

    function decimals() external view returns (uint8);

    function description() external view returns (string memory);

    function version() external view returns (uint256);

    function getRoundData(
        uint80 _roundId
    )
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );

    function latestRoundData()
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );
}

library ChainlinkLibrary {
    uint8 constant USD_DECIMALS = 6;

    function getDecimals(IPriceFeed oracle) internal view returns (uint8) {
        return oracle.decimals();
    }

    function getPrice(IPriceFeed oracle) internal view returns (uint256) {
        (
            uint80 roundID,
            int256 price,
            ,
            uint256 timeStamp,
            uint80 answeredInRound
        ) = oracle.latestRoundData();
        require(answeredInRound >= roundID, "Old data");
        require(timeStamp > 0, "Round not complete");

        return uint256(price);
    }

    function getPrice(
        IPriceFeed oracle,
        IPriceFeed sequencerOracle,
        uint256 frequency
    ) internal view returns (uint256) {
        if (address(sequencerOracle) != address(0))
            checkUptime(sequencerOracle);

        (uint256 roundId, int256 price, , uint256 updatedAt, ) = oracle
            .latestRoundData();
        require(price > 0 && roundId != 0 && updatedAt != 0, "Invalid Price");
        if (frequency > 0)
            require(block.timestamp - updatedAt <= frequency, "Stale Price");

        return uint256(price);
    }

    function checkUptime(IPriceFeed sequencerOracle) internal view {
        (, int256 answer, uint256 startedAt, , ) = sequencerOracle
            .latestRoundData();
        require(answer <= 0, "Sequencer Down"); // 0: Sequencer is up, 1: Sequencer is down
        require(block.timestamp - startedAt > 1 hours, "Grace Period Not Over");
    }

    function convertTokenToToken(
        uint256 amount0,
        uint8 token0Decimals,
        uint8 token1Decimals,
        IPriceFeed oracle0,
        IPriceFeed oracle1
    ) internal view returns (uint256 amount1) {
        uint256 price0 = getPrice(oracle0);
        uint256 price1 = getPrice(oracle1);
        amount1 =
            (amount0 * price0 * (10 ** token1Decimals)) /
            (price1 * (10 ** token0Decimals));
    }

    function convertTokenToUsd(
        uint256 amount,
        uint8 tokenDecimals,
        IPriceFeed oracle
    ) internal view returns (uint256 amountUsd) {
        uint8 decimals = getDecimals(oracle);
        uint256 price = getPrice(oracle);

        amountUsd =
            (amount * price * (10 ** USD_DECIMALS)) /
            10 ** (decimals + tokenDecimals);
    }

    function convertUsdToToken(
        uint256 amountUsd,
        uint256 tokenDecimals,
        IPriceFeed oracle
    ) internal view returns (uint256 amount) {
        uint8 decimals = getDecimals(oracle);
        uint256 price = getPrice(oracle);

        amount =
            (amountUsd * 10 ** (decimals + tokenDecimals)) /
            (price * (10 ** USD_DECIMALS));
    }
}

File 9 of 9 : ISweep.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.19;

interface ISweep {
    struct Minter {
        uint256 maxAmount;
        uint256 mintedAmount;
        bool isListed;
        bool isEnabled;
    }

    function isMintingAllowed() external view returns (bool);

    function DEFAULT_ADMIN_ADDRESS() external view returns (address);

    function balancer() external view returns (address);

    function treasury() external view returns (address);

    function allowance(
        address holder,
        address spender
    ) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function balanceOf(address account) external view returns (uint256);

    function decimals() external view returns (uint8);

    function decreaseAllowance(
        address spender,
        uint256 subtractedValue
    ) external returns (bool);

    function isValidMinter(address) external view returns (bool);

    function amm() external view returns (address);

    function ammPrice() external view returns (uint256);

    function twaPrice() external view returns (uint256);

    function increaseAllowance(
        address spender,
        uint256 addedValue
    ) external returns (bool);

    function name() external view returns (string memory);

    function owner() external view returns (address);

    function fastMultisig() external view returns (address);

    function burn(uint256 amount) external;

    function mint(uint256 amount) external;

    function minters(address minterAaddress) external returns (Minter memory);

    function minterAddresses(uint256 index) external view returns (address);

    function getMinters() external view returns (address[] memory);

    function targetPrice() external view returns (uint256);

    function interestRate() external view returns (int256);

    function periodStart() external view returns (uint256);

    function stepValue() external view returns (int256);

    function arbSpread() external view returns (uint256);

    function refreshInterestRate(int256 newInterestRate, uint256 newPeriodStart) external;

    function setTargetPrice(
        uint256 currentTargetPrice,
        uint256 nextTargetPrice
    ) external;

    function setInterestRate(
        int256 currentInterestRate,
        int256 nextInterestRate
    ) external;

    function setPeriodStart(
        uint256 currentPeriodStart,
        uint256 nextPeriodStart
    ) external;

    function startNewPeriod() external;

    function symbol() external view returns (string memory);

    function totalSupply() external view returns (uint256);

    function convertToUSD(uint256 amount) external view returns (uint256);

    function convertToSWEEP(uint256 amount) external view returns (uint256);

    function transfer(
        address recipient,
        uint256 amount
    ) external returns (bool);

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_sweep","type":"address"},{"internalType":"address","name":"_base","type":"address"},{"internalType":"address","name":"_sequencer","type":"address"},{"internalType":"address","name":"_oracleBase","type":"address"},{"internalType":"uint256","name":"_oracleBaseUpdateFrequency","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"OverZero","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"usdxAmount","type":"uint256"}],"name":"Bought","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"sweepAmount","type":"uint256"}],"name":"Sold","type":"event"},{"inputs":[],"name":"base","outputs":[{"internalType":"contract IERC20Metadata","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"}],"name":"buySweep","outputs":[{"internalType":"uint256","name":"sweepAmount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"getPositions","outputs":[{"internalType":"uint256","name":"usdxAmount","type":"uint256"},{"internalType":"uint256","name":"sweepAmount","type":"uint256"},{"internalType":"uint256","name":"lp","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPrice","outputs":[{"internalType":"uint256","name":"price","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRate","outputs":[{"internalType":"uint256","name":"rate","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTWAPrice","outputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oracleBase","outputs":[{"internalType":"contract IPriceFeed","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oracleBaseUpdateFrequency","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool","outputs":[{"internalType":"contract IBalancerPool","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"sweepAmount","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"}],"name":"sellSweep","outputs":[{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sequencer","outputs":[{"internalType":"contract IPriceFeed","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"poolAddress","type":"address"}],"name":"setPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenIn","type":"address"},{"internalType":"address","name":"tokenOut","type":"address"},{"internalType":"uint24","name":"","type":"uint24"},{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"}],"name":"swapExactInput","outputs":[{"internalType":"uint256","name":"amountOut","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sweep","outputs":[{"internalType":"contract ISweep","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"contract IBalancerVault","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000b88a5ac00917a02d82c7cd6cebd73e2852d43574000000000000000000000000833589fcd6edb6e08f4c7c32d4f71b54bda02913000000000000000000000000bcf85224fc0756b9fa45aa7892530b47e10b64330000000000000000000000007e860098f58bbfc8648a4311b374b1d669a2bc6b0000000000000000000000000000000000000000000000000000000000015180

-----Decoded View---------------
Arg [0] : _sweep (address): 0xB88a5Ac00917a02d82c7cd6CEBd73E2852d43574
Arg [1] : _base (address): 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Arg [2] : _sequencer (address): 0xBCF85224fc0756B9Fa45aA7892530B47e10b6433
Arg [3] : _oracleBase (address): 0x7e860098F58bBFC8648a4311b374B1D669a2bc6B
Arg [4] : _oracleBaseUpdateFrequency (uint256): 86400

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000b88a5ac00917a02d82c7cd6cebd73e2852d43574
Arg [1] : 000000000000000000000000833589fcd6edb6e08f4c7c32d4f71b54bda02913
Arg [2] : 000000000000000000000000bcf85224fc0756b9fa45aa7892530b47e10b6433
Arg [3] : 0000000000000000000000007e860098f58bbfc8648a4311b374b1d669a2bc6b
Arg [4] : 0000000000000000000000000000000000000000000000000000000000015180


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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