Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

Outline

• library SafeMath
•    - function tryAdd(uint256 a, uint256 b)
•    - function trySub(uint256 a, uint256 b)
•    - function tryMul(uint256 a, uint256 b)
•    - function tryDiv(uint256 a, uint256 b)
•    - function tryMod(uint256 a, uint256 b)
•    - function add(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function mod(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b, st ...
•    - function div(uint256 a, uint256 b, st ...
•    - function mod(uint256 a, uint256 b, st ...
• library Babylonian
•    - function sqrt(uint256 y)
• library FixedPoint
•    - function encode(uint112 x)
•    - function encode144(uint144 x)
•    - function div(uq112x112 memory self, u ...
•    - function mul(uq112x112 memory self, u ...
•    - function fraction(uint112 numerator, ...
•    - function decode(uq112x112 memory self ...
•    - function decode144(uq144x112 memory s ...
•    - function reciprocal(uq112x112 memory ...
•    - function sqrt(uq112x112 memory self)
• interface IUniswapV2Pair
•    - function name()
•    - function symbol()
•    - function decimals()
•    - function totalSupply()
•    - function balanceOf(address owner)
•    - function allowance(address owner, add ...
•    - function approve(address spender, uin ...
•    - function transfer(address to, uint256 ...
•    - function transferFrom(
•    - function DOMAIN_SEPARATOR()
•    - function PERMIT_TYPEHASH()
•    - function nonces(address owner)
•    - function permit(
•    - function MINIMUM_LIQUIDITY()
•    - function factory()
•    - function token0()
•    - function token1()
•    - function getReserves()
•    - function price0CumulativeLast()
•    - function price1CumulativeLast()
•    - function kLast()
•    - function mint(address to)
•    - function burn(address to)
•    - function swap(
•    - function skim(address to)
•    - function sync()
•    - function initialize(address, address)
• library UniswapV2OracleLibrary
•    - function currentBlockTimestamp()
•    - function currentCumulativePrices(addr ...
•    - function _msgSender()
•    - function _msgData()
•    - function owner()
•    - function renounceOwnership()
•    - function transferOwnership(address ne ...
•  contract Operator is Context, Owna ...
•    - function operator()
•    - function isOperator()
•    - function transferOperator(address new ...
•    - function _transferOperator(address ne ...
•  contract Epoch is Operator
•    - function getCurrentEpoch()
•    - function getPeriod()
•    - function getStartTime()
•    - function getLastEpochTime()
•    - function nextEpochPoint()
•    - function setPeriod(uint256 _period)
•    - function setEpoch(uint256 _epoch)
•  contract Oracle is Epoch *
•    - function update()
•    - function consult(address _token, uint ...
•    - function twap(address _token, uint256 ...

More Options

• Similar
• Submit Audit
• Compare

/**
 *Submitted for verification at cronoscan.com on 2022-03-25
*/

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when 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 SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // 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.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        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.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}


// File contracts/lib/Babylonian.sol



pragma solidity ^0.6.0;

library Babylonian {
    function sqrt(uint256 y) internal pure returns (uint256 z) {
        if (y > 3) {
            z = y;
            uint256 x = y / 2 + 1;
            while (x < z) {
                z = x;
                x = (y / x + x) / 2;
            }
        } else if (y != 0) {
            z = 1;
        }
        // else z = 0
    }
}


// File contracts/lib/FixedPoint.sol



pragma solidity ^0.6.0;

// a library for handling binary fixed point numbers (https://en.wikipedia.org/wiki/Q_(number_format))
library FixedPoint {
    // range: [0, 2**112 - 1]
    // resolution: 1 / 2**112
    struct uq112x112 {
        uint224 _x;
    }

    // range: [0, 2**144 - 1]
    // resolution: 1 / 2**112
    struct uq144x112 {
        uint256 _x;
    }

    uint8 private constant RESOLUTION = 112;
    uint256 private constant Q112 = uint256(1) << RESOLUTION;
    uint256 private constant Q224 = Q112 << RESOLUTION;

    // encode a uint112 as a UQ112x112
    function encode(uint112 x) internal pure returns (uq112x112 memory) {
        return uq112x112(uint224(x) << RESOLUTION);
    }

    // encodes a uint144 as a UQ144x112
    function encode144(uint144 x) internal pure returns (uq144x112 memory) {
        return uq144x112(uint256(x) << RESOLUTION);
    }

    // divide a UQ112x112 by a uint112, returning a UQ112x112
    function div(uq112x112 memory self, uint112 x) internal pure returns (uq112x112 memory) {
        require(x != 0, "FixedPoint: DIV_BY_ZERO");
        return uq112x112(self._x / uint224(x));
    }

    // multiply a UQ112x112 by a uint, returning a UQ144x112
    // reverts on overflow
    function mul(uq112x112 memory self, uint256 y) internal pure returns (uq144x112 memory) {
        uint256 z;
        require(y == 0 || (z = uint256(self._x) * y) / y == uint256(self._x), "FixedPoint: MULTIPLICATION_OVERFLOW");
        return uq144x112(z);
    }

    // returns a UQ112x112 which represents the ratio of the numerator to the denominator
    // equivalent to encode(numerator).div(denominator)
    function fraction(uint112 numerator, uint112 denominator) internal pure returns (uq112x112 memory) {
        require(denominator > 0, "FixedPoint: DIV_BY_ZERO");
        return uq112x112((uint224(numerator) << RESOLUTION) / denominator);
    }

    // decode a UQ112x112 into a uint112 by truncating after the radix point
    function decode(uq112x112 memory self) internal pure returns (uint112) {
        return uint112(self._x >> RESOLUTION);
    }

    // decode a UQ144x112 into a uint144 by truncating after the radix point
    function decode144(uq144x112 memory self) internal pure returns (uint144) {
        return uint144(self._x >> RESOLUTION);
    }

    // take the reciprocal of a UQ112x112
    function reciprocal(uq112x112 memory self) internal pure returns (uq112x112 memory) {
        require(self._x != 0, "FixedPoint: ZERO_RECIPROCAL");
        return uq112x112(uint224(Q224 / self._x));
    }

    // square root of a UQ112x112
    function sqrt(uq112x112 memory self) internal pure returns (uq112x112 memory) {
        return uq112x112(uint224(Babylonian.sqrt(uint256(self._x)) << 56));
    }
}


// File contracts/interfaces/IUniswapV2Pair.sol



pragma solidity ^0.6.0;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);

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

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

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint256);

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

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

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

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);
    event Burn(address indexed sender, uint256 amount0, uint256 amount1, address indexed to);
    event Swap(address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, address indexed to);
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (
            uint112 reserve0,
            uint112 reserve1,
            uint32 blockTimestampLast
        );

    function price0CumulativeLast() external view returns (uint256);

    function price1CumulativeLast() external view returns (uint256);

    function kLast() external view returns (uint256);

    function mint(address to) external returns (uint256 liquidity);

    function burn(address to) external returns (uint256 amount0, uint256 amount1);

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}


// File contracts/lib/UniswapV2OracleLibrary.sol



pragma solidity ^0.6.0;


// library with helper methods for oracles that are concerned with computing average prices
library UniswapV2OracleLibrary {
    using FixedPoint for *;

    // helper function that returns the current block timestamp within the range of uint32, i.e. [0, 2**32 - 1]
    function currentBlockTimestamp() internal view returns (uint32) {
        return uint32(block.timestamp % 2**32);
    }

    // produces the cumulative price using counterfactuals to save gas and avoid a call to sync.
    function currentCumulativePrices(address pair)
        internal
        view
        returns (
            uint256 price0Cumulative,
            uint256 price1Cumulative,
            uint32 blockTimestamp
        )
    {
        blockTimestamp = currentBlockTimestamp();
        price0Cumulative = IUniswapV2Pair(pair).price0CumulativeLast();
        price1Cumulative = IUniswapV2Pair(pair).price1CumulativeLast();

        // if time has elapsed since the last update on the pair, mock the accumulated price values
        (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast) = IUniswapV2Pair(pair).getReserves();
        if (blockTimestampLast != blockTimestamp) {
            // subtraction overflow is desired
            uint32 timeElapsed = blockTimestamp - blockTimestampLast;
            // addition overflow is desired
            // counterfactual
            price0Cumulative += uint256(FixedPoint.fraction(reserve1, reserve0)._x) * timeElapsed;
            // counterfactual
            price1Cumulative += uint256(FixedPoint.fraction(reserve0, reserve1)._x) * timeElapsed;
        }
    }
}


// File @openzeppelin/contracts/utils/[email protected]



pragma solidity >=0.6.0 <0.8.0;

/*
 * @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 GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}




// File @openzeppelin/contracts/access/[email protected]


pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}


// File contracts/owner/Operator.sol



pragma solidity 0.6.12;


contract Operator is Context, Ownable {
    address private _operator;

    event OperatorTransferred(address indexed previousOperator, address indexed newOperator);

    constructor() internal {
        _operator = _msgSender();
        emit OperatorTransferred(address(0), _operator);
    }

    function operator() public view returns (address) {
        return _operator;
    }

    modifier onlyOperator() {
        require(_operator == msg.sender, "operator: caller is not the operator");
        _;
    }

    function isOperator() public view returns (bool) {
        return _msgSender() == _operator;
    }

    function transferOperator(address newOperator_) public onlyOwner {
        _transferOperator(newOperator_);
    }

    function _transferOperator(address newOperator_) internal {
        require(newOperator_ != address(0), "operator: zero address given for new operator");
        emit OperatorTransferred(address(0), newOperator_);
        _operator = newOperator_;
    }
}


// File contracts/utils/Epoch.sol



pragma solidity ^0.6.0;

contract Epoch is Operator {
    using SafeMath for uint256;

    uint256 private period;
    uint256 private startTime;
    uint256 private lastEpochTime;
    uint256 private epoch;

    /* ========== CONSTRUCTOR ========== */

    constructor(
        uint256 _period,
        uint256 _startTime,
        uint256 _startEpoch
    ) public {
        period = _period;
        startTime = _startTime;
        epoch = _startEpoch;
        lastEpochTime = startTime.sub(period);
    }

    /* ========== Modifier ========== */

    modifier checkStartTime {
        require(now >= startTime, 'Epoch: not started yet');

        _;
    }

    modifier checkEpoch {
        uint256 _nextEpochPoint = nextEpochPoint();
        if (now < _nextEpochPoint) {
            require(msg.sender == operator(), 'Epoch: only operator allowed for pre-epoch');
            _;
        } else {
            _;

            for (;;) {
                lastEpochTime = _nextEpochPoint;
                ++epoch;
                _nextEpochPoint = nextEpochPoint();
                if (now < _nextEpochPoint) break;
            }
        }
    }

    /* ========== VIEW FUNCTIONS ========== */

    function getCurrentEpoch() public view returns (uint256) {
        return epoch;
    }

    function getPeriod() public view returns (uint256) {
        return period;
    }

    function getStartTime() public view returns (uint256) {
        return startTime;
    }

    function getLastEpochTime() public view returns (uint256) {
        return lastEpochTime;
    }

    function nextEpochPoint() public view returns (uint256) {
        return lastEpochTime.add(period);
    }

    /* ========== GOVERNANCE ========== */

    function setPeriod(uint256 _period) external onlyOperator {
        require(_period >= 1 hours && _period <= 48 hours, '_period: out of range');
        period = _period;
    }

    function setEpoch(uint256 _epoch) external onlyOperator {
        epoch = _epoch;
    }
}


// File contracts/Oracle.sol



pragma solidity 0.6.12;


// fixed window oracle that recomputes the average price for the entire period once every period
// note that the price average is only guaranteed to be over at least 1 period, but may be over a longer period
contract Oracle is Epoch {
    using FixedPoint for *;
    using SafeMath for uint256;

    /* ========== STATE VARIABLES ========== */

    // uniswap
    address public token0;
    address public token1;
    IUniswapV2Pair public pair;

    // oracle
    uint32 public blockTimestampLast;
    uint256 public price0CumulativeLast;
    uint256 public price1CumulativeLast;
    FixedPoint.uq112x112 public price0Average;
    FixedPoint.uq112x112 public price1Average;

    /* ========== CONSTRUCTOR ========== */

    constructor(
        IUniswapV2Pair _pair,
        uint256 _period,
        uint256 _startTime
    ) public Epoch(_period, _startTime, 0) {
        pair = _pair;
        token0 = pair.token0();
        token1 = pair.token1();
        price0CumulativeLast = pair.price0CumulativeLast(); // fetch the current accumulated price value (1 / 0)
        price1CumulativeLast = pair.price1CumulativeLast(); // fetch the current accumulated price value (0 / 1)
        uint112 reserve0;
        uint112 reserve1;
        (reserve0, reserve1, blockTimestampLast) = pair.getReserves();
        require(reserve0 != 0 && reserve1 != 0, "Oracle: NO_RESERVES"); // ensure that there's liquidity in the pair
    }

    /* ========== MUTABLE FUNCTIONS ========== */

    /** @dev Updates 1-day EMA price from Uniswap.  */
    function update() external checkEpoch {
        (uint256 price0Cumulative, uint256 price1Cumulative, uint32 blockTimestamp) = UniswapV2OracleLibrary.currentCumulativePrices(address(pair));
        uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired

        if (timeElapsed == 0) {
            // prevent divided by zero
            return;
        }

        // overflow is desired, casting never truncates
        // cumulative price is in (uq112x112 price * seconds) units so we simply wrap it after division by time elapsed
        price0Average = FixedPoint.uq112x112(uint224((price0Cumulative - price0CumulativeLast) / timeElapsed));
        price1Average = FixedPoint.uq112x112(uint224((price1Cumulative - price1CumulativeLast) / timeElapsed));

        price0CumulativeLast = price0Cumulative;
        price1CumulativeLast = price1Cumulative;
        blockTimestampLast = blockTimestamp;

        emit Updated(price0Cumulative, price1Cumulative);
    }

    // note this will always return 0 before update has been called successfully for the first time.
    function consult(address _token, uint256 _amountIn) external view returns (uint144 amountOut) {
        if (_token == token0) {
            amountOut = price0Average.mul(_amountIn).decode144();
        } else {
            require(_token == token1, "Oracle: INVALID_TOKEN");
            amountOut = price1Average.mul(_amountIn).decode144();
        }
    }

    function twap(address _token, uint256 _amountIn) external view returns (uint144 _amountOut) {
        (uint256 price0Cumulative, uint256 price1Cumulative, uint32 blockTimestamp) = UniswapV2OracleLibrary.currentCumulativePrices(address(pair));
        uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
        if (_token == token0) {
            _amountOut = FixedPoint.uq112x112(uint224((price0Cumulative - price0CumulativeLast) / timeElapsed)).mul(_amountIn).decode144();
        } else if (_token == token1) {
            _amountOut = FixedPoint.uq112x112(uint224((price1Cumulative - price1CumulativeLast) / timeElapsed)).mul(_amountIn).decode144();
        }
    }

    event Updated(uint256 price0CumulativeLast, uint256 price1CumulativeLast);
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IUniswapV2Pair","name":"_pair","type":"address"},{"internalType":"uint256","name":"_period","type":"uint256"},{"internalType":"uint256","name":"_startTime","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOperator","type":"address"},{"indexed":true,"internalType":"address","name":"newOperator","type":"address"}],"name":"OperatorTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"price0CumulativeLast","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"price1CumulativeLast","type":"uint256"}],"name":"Updated","type":"event"},{"inputs":[],"name":"blockTimestampLast","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amountIn","type":"uint256"}],"name":"consult","outputs":[{"internalType":"uint144","name":"amountOut","type":"uint144"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentEpoch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastEpochTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isOperator","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextEpochPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pair","outputs":[{"internalType":"contract IUniswapV2Pair","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price0Average","outputs":[{"internalType":"uint224","name":"_x","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price1Average","outputs":[{"internalType":"uint224","name":"_x","type":"uint224"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_epoch","type":"uint256"}],"name":"setEpoch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_period","type":"uint256"}],"name":"setPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOperator_","type":"address"}],"name":"transferOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amountIn","type":"uint256"}],"name":"twap","outputs":[{"internalType":"uint144","name":"_amountOut","type":"uint144"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"update","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000b6e1705bfafcf1efee83c135c0f0210653bab8f000000000000000000000000000000000000000000000000000000000000070800000000000000000000000000000000000000000000000000000000061fd69a0

-----Decoded View---------------
Arg [0] : _pair (address): 0xB6E1705BfAFcf1efEE83C135C0F0210653bAB8F0
Arg [1] : _period (uint256): 28800
Arg [2] : _startTime (uint256): 1643997600

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000b6e1705bfafcf1efee83c135c0f0210653bab8f0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000007080
Arg [2] : 0000000000000000000000000000000000000000000000000000000061fd69a0

22154:3645:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21780:89;;;;;;;;;;;;;;;;-1:-1:-1;21780:89:0;;:::i;:::-;;22317:21;;;:::i;:::-;;;;-1:-1:-1;;;;;22317:21:0;;;;;;;;;;;;;;21593:179;;;;;;;;;;;;;;;;-1:-1:-1;21593:179:0;;:::i;21139:83::-;;;:::i;:::-;;;;;;;;;;;;;;;;19365:115;;;;;;;;;;;;;;;;-1:-1:-1;19365:115:0;-1:-1:-1;;;;;19365:115:0;;:::i;24637:363::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;24637:363:0;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;19257:100;;;:::i;:::-;;;;;;;;;;;;;;;;;;19029:85;;;:::i;22462:35::-;;;:::i;22504:::-;;;:::i;22594:41::-;;;:::i;:::-;;;;-1:-1:-1;;;;;22594:41:0;;;;;;;;;;;;;;25008:706;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;25008:706:0;;;;;;;;:::i;18092:148::-;;;:::i;17441:87::-;;;:::i;23519:1008::-;;;:::i;22546:41::-;;;:::i;22373:26::-;;;:::i;21043:88::-;;;:::i;21327:97::-;;;:::i;22423:32::-;;;:::i;:::-;;;;;;;;;;;;;;;;;;;21432:107;;;:::i;21230:89::-;;;:::i;22345:21::-;;;:::i;18395:244::-;;;;;;;;;;;;;;;;-1:-1:-1;18395:244:0;-1:-1:-1;;;;;18395:244:0;;:::i;21780:89::-;19165:9;;-1:-1:-1;;;;;19165:9:0;19178:10;19165:23;19157:72;;;;-1:-1:-1;;;19157:72:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21847:5:::1;:14:::0;21780:89::o;22317:21::-;;;-1:-1:-1;;;;;22317:21:0;;:::o;21593:179::-;19165:9;;-1:-1:-1;;;;;19165:9:0;19178:10;19165:23;19157:72;;;;-1:-1:-1;;;19157:72:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21681:7:::1;21670;:18;;:41;;;;;21703:8;21692:7;:19;;21670:41;21662:75;;;::::0;;-1:-1:-1;;;21662:75:0;;::::1;;::::0;::::1;::::0;::::1;::::0;;;;-1:-1:-1;;;21662:75:0;;;;;;;;;;;;;::::1;;21748:6;:16:::0;21593:179::o;21139:83::-;21208:6;;21139:83;:::o;19365:115::-;17672:12;:10;:12::i;:::-;-1:-1:-1;;;;;17661:23:0;:7;:5;:7::i;:::-;-1:-1:-1;;;;;17661:23:0;;17653:68;;;;;-1:-1:-1;;;17653:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;19441:31:::1;19459:12;19441:17;:31::i;:::-;19365:115:::0;:::o;24637:363::-;24756:6;;24712:17;;-1:-1:-1;;;;;24746:16:0;;;24756:6;;24746:16;24742:251;;;24791:17;;;;;;;;;:13;:17;-1:-1:-1;;;;;24791:17:0;;;:40;;:28;;24809:9;24791:17;:28::i;:::-;:38;:40::i;:::-;24779:52;;24742:251;;;24882:6;;-1:-1:-1;;;;;24872:16:0;;;24882:6;;24872:16;24864:50;;;;;-1:-1:-1;;;24864:50:0;;;;;;;;;;;;-1:-1:-1;;;24864:50:0;;;;;;;;;;;;;;;24941:17;;;;;;;;;:13;:17;-1:-1:-1;;;;;24941:17:0;;;:40;;:28;;24959:9;24941:17;:28::i;:40::-;24929:52;;24742:251;24637:363;;;;:::o;19257:100::-;19340:9;;19300:4;;-1:-1:-1;;;;;19340:9:0;19324:12;:10;:12::i;:::-;-1:-1:-1;;;;;19324:25:0;;19317:32;;19257:100;:::o;19029:85::-;19097:9;;-1:-1:-1;;;;;19097:9:0;19029:85;:::o;22462:35::-;;;;:::o;22504:::-;;;;:::o;22594:41::-;;;-1:-1:-1;;;;;22594:41:0;;:::o;25008:706::-;25244:4;;25080:18;;;;;;;;25189:61;;-1:-1:-1;;;;;25244:4:0;25189:46;:61::i;:::-;25299:18;;25365:6;;25111:139;;-1:-1:-1;25111:139:0;;-1:-1:-1;25111:139:0;-1:-1:-1;25299:18:0;-1:-1:-1;;;25299:18:0;;;;25282:35;;;-1:-1:-1;;;;;25355:16:0;;;25365:6;;25355:16;25351:356;;;25401:113;:101;25492:9;25401:86;;;;;;;;25474:11;25430:55;;25450:20;;25431:16;:39;25430:55;;;;;;-1:-1:-1;;;;;25401:86:0;;;:90;;:101::i;:113::-;25388:126;;25351:356;;;25546:6;;-1:-1:-1;;;;;25536:16:0;;;25546:6;;25536:16;25532:175;;;25582:113;:101;25673:9;25582:86;;;;;;;;25655:11;25611:55;;25631:20;;25612:16;:39;25611:55;;;;25582:113;25569:126;;25532:175;25008:706;;;;;;;;:::o;18092:148::-;17672:12;:10;:12::i;:::-;-1:-1:-1;;;;;17661:23:0;:7;:5;:7::i;:::-;-1:-1:-1;;;;;17661:23:0;;17653:68;;;;;-1:-1:-1;;;17653:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18199:1:::1;18183:6:::0;;18162:40:::1;::::0;-1:-1:-1;;;;;18183:6:0;;::::1;::::0;18162:40:::1;::::0;18199:1;;18162:40:::1;18230:1;18213:19:::0;;-1:-1:-1;;;;;;18213:19:0::1;::::0;;18092:148::o;17441:87::-;17487:7;17514:6;-1:-1:-1;;;;;17514:6:0;17441:87;:::o;23519:1008::-;20521:23;20547:16;:14;:16::i;:::-;20521:42;;20584:15;20578:3;:21;20574:404;;;20638:10;:8;:10::i;:::-;-1:-1:-1;;;;;20624:24:0;:10;-1:-1:-1;;;;;20624:24:0;;20616:79;;;;-1:-1:-1;;;20616:79:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23701:4:::1;::::0;23569:24:::1;::::0;;;;;23646:61:::1;::::0;-1:-1:-1;;;;;23701:4:0::1;23646:46;:61::i;:::-;23756:18;::::0;23568:139;;-1:-1:-1;23568:139:0;;-1:-1:-1;23568:139:0;-1:-1:-1;23756:18:0::1;-1:-1:-1::0;;;23756:18:0;;::::1;::::0;::::1;23739:35:::0;::::1;::::0;23814:16;::::1;23810:95;;23887:7;;;;;;23810:95;24111:86;;;;;;;;24184:11;24140:55;;24160:20;;24141:16;:39;24140:55;;;;;;-1:-1:-1::0;;;;;24111:86:0;;::::1;::::0;;;24095:102;;:13:::1;:102:::0;;-1:-1:-1;;;;;;24095:102:0::1;::::0;;;::::1;;::::0;;24224:86:::1;::::0;;::::1;::::0;::::1;::::0;;;24273:20:::1;::::0;24224:86;;24253:55:::1;::::0;::::1;::::0;24254:39;::::1;24253:55:::0;::::1;;;;;-1:-1:-1::0;;;;;24224:86:0;;::::1;::::0;;;24208:102;;:13:::1;:102:::0;;-1:-1:-1;;;;;;24208:102:0::1;::::0;;;::::1;;::::0;;24323:20:::1;:39:::0;;;24373:20:::1;:39:::0;;;24423:18:::1;:35:::0;;-1:-1:-1;;;;24423:35:0::1;-1:-1:-1::0;;;24423:35:0::1;::::0;::::1;;;::::0;;24476:43:::1;::::0;;;;;::::1;::::0;::::1;::::0;;;;;::::1;::::0;;;;;;;;;::::1;20710:1;;;;;20574:404:::0;;;23701:4:::1;::::0;23569:24:::1;::::0;;;;;23646:61:::1;::::0;-1:-1:-1;;;;;23701:4:0::1;23646:46;:61::i;:::-;23756:18;::::0;23568:139;;-1:-1:-1;23568:139:0;;-1:-1:-1;23568:139:0;-1:-1:-1;23756:18:0::1;-1:-1:-1::0;;;23756:18:0;;::::1;::::0;::::1;23739:35:::0;::::1;::::0;23814:16;::::1;23810:95;;23887:7;;;;;;23810:95;24111:86;;;;;;;;24184:11;24140:55;;24160:20;;24141:16;:39;24140:55;;;;;;-1:-1:-1::0;;;;;24111:86:0;;::::1;::::0;;;24095:102;;:13:::1;:102:::0;;-1:-1:-1;;;;;;24095:102:0::1;::::0;;;::::1;;::::0;;24224:86:::1;::::0;;::::1;::::0;::::1;::::0;;;24273:20:::1;::::0;24224:86;;24253:55:::1;::::0;::::1;::::0;24254:39;::::1;24253:55:::0;::::1;;;;;-1:-1:-1::0;;;;;24224:86:0;;::::1;::::0;;;24208:102;;:13:::1;:102:::0;;-1:-1:-1;;;;;;24208:102:0::1;::::0;;;::::1;;::::0;;24323:20:::1;:39:::0;;;24373:20:::1;:39:::0;;;24423:18:::1;:35:::0;;-1:-1:-1;;;;24423:35:0::1;-1:-1:-1::0;;;24423:35:0::1;::::0;::::1;;;::::0;;24476:43:::1;::::0;;;;;::::1;::::0;::::1;::::0;;;;;::::1;::::0;;;;;;;;;::::1;20744:1;;;;;20790:13:::0;:31;;;20842:5;20840:7;;;;;;20884:16;:14;:16::i;:::-;20866:34;;20929:15;20923:3;:21;20919:32;;;20946:5;;20919:32;20762:205;;22546:41;;;-1:-1:-1;;;;;22546:41:0;;:::o;22373:26::-;;;-1:-1:-1;;;;;22373:26:0;;:::o;21043:88::-;21118:5;;21043:88;:::o;21327:97::-;21403:13;;21327:97;:::o;22423:32::-;;;-1:-1:-1;;;22423:32:0;;;;;:::o;21432:107::-;21479:7;21506:25;21524:6;;21506:13;;:17;;:25;;;;:::i;:::-;21499:32;;21432:107;:::o;21230:89::-;21302:9;;21230:89;:::o;22345:21::-;;;-1:-1:-1;;;;;22345:21:0;;:::o;18395:244::-;17672:12;:10;:12::i;:::-;-1:-1:-1;;;;;17661:23:0;:7;:5;:7::i;:::-;-1:-1:-1;;;;;17661:23:0;;17653:68;;;;;-1:-1:-1;;;17653:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;18484:22:0;::::1;18476:73;;;;-1:-1:-1::0;;;18476:73:0::1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18586:6;::::0;;18565:38:::1;::::0;-1:-1:-1;;;;;18565:38:0;;::::1;::::0;18586:6;::::1;::::0;18565:38:::1;::::0;::::1;18614:6;:17:::0;;-1:-1:-1;;;;;;18614:17:0::1;-1:-1:-1::0;;;;;18614:17:0;;;::::1;::::0;;;::::1;::::0;;18395:244::o;3236:158::-;3294:7;3327:1;3322;:6;;3314:49;;;;;-1:-1:-1;;;3314:49:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;3381:5:0;;;3236:158::o;15966:106::-;16054:10;15966:106;:::o;19488:257::-;-1:-1:-1;;;;;19565:26:0;;19557:84;;;;-1:-1:-1;;;19557:84:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;19657:45;;-1:-1:-1;;;;;19657:45:0;;;19685:1;;19657:45;;19685:1;;19657:45;19713:9;:24;;-1:-1:-1;;;;;;19713:24:0;-1:-1:-1;;;;;19713:24:0;;;;;;;;;;19488:257::o;9202:265::-;9272:16;;:::i;:::-;9301:9;9329:6;;;:60;;-1:-1:-1;;9381:7:0;;-1:-1:-1;;;;;9373:16:0;9344:20;;;;9368:1;9344:20;9368:1;9339:30;;;;;:50;9329:60;9321:108;;;;-1:-1:-1;;;9321:108:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;9447:12;;;;;;;;;;;;;9202:265;-1:-1:-1;;;9202:265:0:o;10168:130::-;10268:7;8353:3;10268:21;;10168:130::o;14179:1136::-;14290:24;14329;14368:21;14434:23;:21;:23::i;:::-;14417:40;;14502:4;-1:-1:-1;;;;;14487:41:0;;:43;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;14487:43:0;14560;;;-1:-1:-1;;;14560:43:0;;;;14487;;-1:-1:-1;;;;;;14560:41:0;;;;;:43;;;;;14487;;14560;;;;;;;;:41;:43;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;14560:43:0;14783:34;;;-1:-1:-1;;;14783:34:0;;;;14560:43;;-1:-1:-1;14718:16:0;;;;;;-1:-1:-1;;;;;14783:32:0;;;;;:34;;;;;;;;;;;;;;:32;:34;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;14783:34:0;;;;;;;;;;;;;-1:-1:-1;14783:34:0;;-1:-1:-1;14783:34:0;-1:-1:-1;14832:36:0;;;;;;;;14828:480;;14954:35;;;15100:65;;;15108:39;15128:8;15138;15108:19;:39::i;:::-;:42;-1:-1:-1;;;;;15100:51:0;:65;15080:85;;;;;15231:65;;;15239:39;15259:8;15269;15239:19;:39::i;:::-;:42;-1:-1:-1;;;;;15231:51:0;:65;15211:85;;;;;-1:-1:-1;14828:480:0;14179:1136;;;;;;;;:::o;2774:179::-;2832:7;2864:5;;;2888:6;;;;2880:46;;;;;-1:-1:-1;;;2880:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;13952:121;14041:23;:15;:23;;13952:121::o;9623:246::-;9704:16;;:::i;:::-;9755:1;9741:11;-1:-1:-1;;;;;9741:15:0;;9733:51;;;;;-1:-1:-1;;;9733:51:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;9802:59;;;;;;;;;;-1:-1:-1;;;;;9812:48:0;;-1:-1:-1;;;8353:3:0;9813:32;;;;9812:48;;;;;;-1:-1:-1;;;;;9802:59:0;;;;9795:66;;9623:246;;;;:::o;-1:-1:-1:-;;;;;;;;;;;;;;:::o;:::-;;;;;;;;;;;;;;:::o

ipfs://8abe082d988edad64591e00c348796340bdd03601e8f82701a94a708b0f911ac