Contract 0x559dedD68cd41709228027Db23111e68e8d509a5

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x301ed4ce3f9d193e5bacd6e5e01291d51a32706befc69cbf55989bc1f94f647cRenounce Ownersh...316274992022-02-21 17:09:32402 days 16 hrs agoFDoge Finance: Deployer IN  0x559dedd68cd41709228027db23111e68e8d509a50 FTM0.004599881696
0xd9080b3d90c19aceb07c23365cc89f5ed5991809d54f978317eaf3e6c11e037fTransfer Operato...314652452022-02-19 23:27:59404 days 10 hrs agoFDoge Finance: Deployer IN  0x559dedd68cd41709228027db23111e68e8d509a50 FTM0.005748968408
0x0caf76420ab154d7a88b540ef11fe65363cddd312cc65dd8ddf794f9bfaf889cUpdate314652122022-02-19 23:27:34404 days 10 hrs agoFDoge Finance: Deployer IN  0x559dedd68cd41709228027db23111e68e8d509a50 FTM0.018258814033
0xe49400331e9f58df3b84db82ce5b99139bb21b7d99af303a1e1dd365391e19eb0x60806040314617132022-02-19 22:37:04404 days 11 hrs agoFDoge Finance: Deployer IN  Contract Creation0 FTM0.244706416339
[ Download CSV Export 
Latest 1 internal transaction
Parent Txn Hash Block From To Value
0xe49400331e9f58df3b84db82ce5b99139bb21b7d99af303a1e1dd365391e19eb314617132022-02-19 22:37:04404 days 11 hrs ago FDoge Finance: Deployer  Contract Creation0 FTM
[ Download CSV Export 
Loading

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x72fE09C64217931867A81256eBd99f413a06aDF2

Contract Name:
DogeOracle

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 10 : DogeOracle.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "../lib/SafeMath.sol";

import "../lib/Babylonian.sol";
import "../lib/FixedPoint.sol";
import "../lib/UniswapV2OracleLibrary.sol";
import "../utils/Epoch.sol";
import "../interfaces/IUniswapV2Pair.sol";

/*$$$$$_ $$$$$___ __$$$___ __$$$$__ $$$$$$$_ ____ $$$$$$$_ $$$$_ $$___$$_ __$$$___ $$___$$_ __$$$$_ $$$$$$$_
$$______ $$__$$__ _$$_$$__ _$$__$$_ $$______ ____ $$______ _$$__ $$$__$$_ _$$_$$__ $$$__$$_ _$$____ $$______
$$$$$___ $$___$$_ $$___$$_ $$______ $$$$$___ ____ $$$$$___ _$$__ $$$$_$$_ $$___$$_ $$$$_$$_ $$_____ $$$$$___
$$______ $$___$$_ $$___$$_ $$__$$$_ $$______ ____ $$______ _$$__ $$_$$$$_ $$$$$$$_ $$_$$$$_ $$_____ $$______
$$______ $$__$$__ _$$_$$__ _$$__$$_ $$______ _$$_ $$______ _$$__ $$__$$$_ $$___$$_ $$__$$$_ _$$____ $$______
$$______ $$$$$___ __$$$___ __$$$$__ $$$$$$$_ _$$_ $$______ $$$$_ $$___$$_ $$___$$_ $$___$$_ __$$$$_ $$$$$$$_*/

// 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 DogeOracle 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 ========== */
    function setAddr(IUniswapV2Pair _pair) external onlyOperator {
        pair = _pair;
    }
    /** @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);
}

File 2 of 10 : SafeMath.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

/**
 * @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, 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) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * 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);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

File 3 of 10 : Babylonian.sol
//SPDX-License-Identifier: UNLICENSED
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 4 of 10 : FixedPoint.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

import "./Babylonian.sol";

// 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 5 of 10 : UniswapV2OracleLibrary.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

import "./FixedPoint.sol";
import "../interfaces/IUniswapV2Pair.sol";

// 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 6 of 10 : Epoch.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

import "../lib/SafeMath.sol";

import "../owner/Operator.sol";

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 7 of 10 : IUniswapV2Pair.sol
//SPDX-License-Identifier: UNLICENSED
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 8 of 10 : Operator.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "../lib/Context.sol";
import "../lib/Ownable.sol";

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 9 of 10 : Context.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

/*
 * @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.
 */
contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }

    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 10 of 10 : Ownable.sol
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.0;

import "./Context.sol";

/**
 * @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.
 */
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 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;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"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":"contract IUniswapV2Pair","name":"_pair","type":"address"}],"name":"setAddr","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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

Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.