Contract 0xf293873CA668Ef7F1412C46c2C2c682Fd3441c02

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./interfaces/IPositionRewards.sol";
import "./interfaces/IRewardsCollector.sol";

contract PositionRewards is IPositionRewards, IRewardsCollector, Ownable {

    using SafeERC20 for IERC20;

    uint256 public constant PRECISION_DECIMALS = 1e10;

    mapping(address => uint256) public unclaimedPositionUnits;

    uint256 public maxClaimPeriod = 30 days;
    uint256 public maxRewardTime = 3 days;
    uint256 public maxRewardTimePercentageGain = 25e8;

    uint256 public maxDailyReward = 2300e18;

    uint256 public maxSingleReward = 800e18;
    uint256 public rewardMaxLinearPositionUnits = 20e18;
    uint256 public rewardMaxLinearGOVI = 100e18;

    uint256 public rewardFactor = 1e13;

    uint256 public lastMaxSingleReward;
    uint256 public lastRewardMaxLinearPositionUnits;
    uint256 public lastRewardMaxLinearGOVI;

    uint256 public rewardCalculationValidTimestamp;

    uint256 public todayClaimedRewards;
    uint256 public lastClaimedDay;

    address public rewarder;

    IERC20 private immutable cviToken;

    IPlatform public platform;

    constructor(IERC20 _cviToken) {
        cviToken = _cviToken;
    }

    modifier onlyRewarder {
        require(msg.sender == rewarder, "Not allowed");
        _;
    }

    function calculatePositionReward(uint256 _positionUnits, uint256 _positionTimestamp) external view override returns (uint256 rewardAmount) {
        require(_positionUnits > 0, "Position units must be positive");

        uint256 factoredPositionUnits = _positionUnits * calculatePositionUnitsFactor(_positionTimestamp) / PRECISION_DECIMALS;

        rewardAmount = __calculatePositionReward(factoredPositionUnits, rewardMaxLinearPositionUnits, 
            rewardMaxLinearGOVI / rewardFactor, maxSingleReward / rewardFactor);

        if (lastRewardMaxLinearPositionUnits != 0 && lastRewardMaxLinearGOVI != 0 && lastMaxSingleReward != 0) {
            uint256 lastRewardAmount = __calculatePositionReward(factoredPositionUnits, lastRewardMaxLinearPositionUnits, 
                lastRewardMaxLinearGOVI / rewardFactor, lastMaxSingleReward / rewardFactor);

            if (rewardAmount > lastRewardAmount) {
                rewardAmount = lastRewardAmount;
            }
        }

        rewardAmount = rewardAmount * rewardFactor;
    }

    function _calculatePositionReward(uint256 _positionUnits, uint256 _positionTimestamp) private view returns (uint256 rewardAmount) {
        require(_positionUnits > 0, "Position units must be positive");

        uint256 _rewardMaxLinearPositionUnits;
        uint256 _rewardMaxLinearGOVI;
        uint256 _maxSingleReward;

        if (block.timestamp > rewardCalculationValidTimestamp) {
            _rewardMaxLinearPositionUnits = rewardMaxLinearPositionUnits;
            _rewardMaxLinearGOVI = rewardMaxLinearGOVI / rewardFactor;
            _maxSingleReward = maxSingleReward / rewardFactor;
        } else {
            _rewardMaxLinearPositionUnits = lastRewardMaxLinearPositionUnits;
            _rewardMaxLinearGOVI = lastRewardMaxLinearGOVI / rewardFactor;
            _maxSingleReward = lastMaxSingleReward / rewardFactor;
        }

        uint256 factoredPositionUnits = _positionUnits * calculatePositionUnitsFactor(_positionTimestamp) / PRECISION_DECIMALS;

        rewardAmount = __calculatePositionReward(factoredPositionUnits, _rewardMaxLinearPositionUnits, _rewardMaxLinearGOVI, _maxSingleReward);
        rewardAmount = rewardAmount * rewardFactor;
        require(rewardAmount <= _maxSingleReward * rewardFactor, "Reward too big");
    }

    function __calculatePositionReward(uint256 factoredPositionUnits, uint256 _rewardMaxLinearPositionUnits, uint256 _rewardMaxLinearGOVI, uint256 _maxSingleReward) private pure returns (uint256 rewardAmount) {
        if (factoredPositionUnits <= _rewardMaxLinearPositionUnits) {
            rewardAmount = factoredPositionUnits * _rewardMaxLinearGOVI / _rewardMaxLinearPositionUnits;
        } else {
            (uint256 alpha, uint256 beta, uint256 gamma) = calculateAlphaBetaGamma(_maxSingleReward, _rewardMaxLinearPositionUnits, _rewardMaxLinearGOVI);

            // reward = c - (alpha / ((x + beta)^2 + gamma)
            uint256 betaPlusFactoredPositionUnits = beta + factoredPositionUnits;

            rewardAmount = _maxSingleReward - (alpha / (betaPlusFactoredPositionUnits ** 2 + gamma));
        }
    }

    function reward(address _account, uint256 _positionUnits, uint8 _leverage) external override onlyRewarder {
        require(_positionUnits > 0, "Position units must be positive");
        unclaimedPositionUnits[_account] = unclaimedPositionUnits[_account] + _positionUnits / _leverage;
    }

    function claimReward() external override {
        require(address(platform) != address(0), "Platform not set");

        (uint256 positionUnitsAmount, uint8 leverage,, uint256 creationTimestamp,) = platform.positions(msg.sender);
        require(positionUnitsAmount > 0, "No opened position");
        require(block.timestamp <= creationTimestamp + maxClaimPeriod, "Claim too late");

        uint256 today = block.timestamp / 1 days;
        uint256 positionDay = creationTimestamp / 1 days;
        require(today > positionDay, "Claim too early");

        // Reward position units will be the min from currently open and currently available
        // This resolves the issue of claiming after a merge
        uint256 rewardPositionUnits = unclaimedPositionUnits[msg.sender];
        if (positionUnitsAmount / leverage < rewardPositionUnits) {
            rewardPositionUnits = positionUnitsAmount / leverage;
        }

        require(rewardPositionUnits > 0, "No reward");

        uint256 rewardAmount = _calculatePositionReward(rewardPositionUnits, creationTimestamp);
        uint256 _maxDailyReward = maxDailyReward;

        uint256 updatedDailyClaimedReward = 0;

        if (today > lastClaimedDay) {
            lastClaimedDay = today;
        } else {
            updatedDailyClaimedReward = todayClaimedRewards;
        }

        updatedDailyClaimedReward = updatedDailyClaimedReward + rewardAmount;

        require(updatedDailyClaimedReward <= _maxDailyReward, "Daily reward spent");

        todayClaimedRewards = updatedDailyClaimedReward;
        unclaimedPositionUnits[msg.sender] = 0;

        emit Claimed(msg.sender, rewardAmount);
        cviToken.safeTransfer(msg.sender, rewardAmount);
    }

    function setRewarder(address _newRewarder) external override onlyOwner {
        rewarder = _newRewarder;
    }

    function setMaxDailyReward(uint256 _newMaxDailyReward) external override onlyOwner {
        maxDailyReward = _newMaxDailyReward;
    }

    function setRewardCalculationParameters(uint256 _newMaxSingleReward, uint256 _rewardMaxLinearPositionUnits, uint256 _rewardMaxLinearGOVI) external override onlyOwner {
        require(_newMaxSingleReward > 0, "Max reward must be positive");
        require(_rewardMaxLinearPositionUnits > 0, "Max linear x must be positive");
        require(_rewardMaxLinearGOVI > 0, "Max linear y must be positive");

        // Makes sure alpha and beta values for new values are positive
        calculateAlphaBetaGamma(_newMaxSingleReward / rewardFactor, _rewardMaxLinearPositionUnits, _rewardMaxLinearGOVI / rewardFactor);

        lastRewardMaxLinearPositionUnits = rewardMaxLinearPositionUnits;
        rewardMaxLinearPositionUnits = _rewardMaxLinearPositionUnits;

        lastRewardMaxLinearGOVI = rewardMaxLinearGOVI;
        rewardMaxLinearGOVI = _rewardMaxLinearGOVI;

        lastMaxSingleReward = maxSingleReward;
        maxSingleReward = _newMaxSingleReward;

        rewardCalculationValidTimestamp = block.timestamp + maxClaimPeriod;
    }

    function setRewardFactor(uint256 _newRewardFactor) external override onlyOwner {
        rewardFactor = _newRewardFactor;
    }

    function setMaxClaimPeriod(uint256 _newMaxClaimPeriod) external override onlyOwner {
        maxClaimPeriod = _newMaxClaimPeriod;
    }

    function setMaxRewardTime(uint256 _newMaxRewardTime) external override onlyOwner {
        require (_newMaxRewardTime > 0, "Max reward time not positive");
        maxRewardTime = _newMaxRewardTime;
    }

    function setMaxRewardTimePercentageGain(uint256 _newMaxRewardTimePercentageGain) external override onlyOwner {
        maxRewardTimePercentageGain = _newMaxRewardTimePercentageGain;
    }

    function setPlatform(IPlatform _newPlatform) external override onlyOwner {
        platform = _newPlatform;
    }

    function calculateAlphaBetaGamma(uint256 _maxSingleReward, uint256 _rewardMaxLinearX, uint256 _rewardMaxLinearY) private pure returns (uint256 alpha, uint256 beta, uint256 gamma) {
        // beta = c / a (a = y0/x0)
        beta = _maxSingleReward * _rewardMaxLinearX / _rewardMaxLinearY;

        // alpha = (2 * c ^ 2 * beta) / a (a = y0/x0)
        alpha = 2 * _maxSingleReward ** 2 * beta * _rewardMaxLinearX / _rewardMaxLinearY;

        // gamma = (2 * c * beta - a * beta ^ 2) / a (a=y0/x0)
        gamma = 2 * _maxSingleReward * beta * _rewardMaxLinearX / _rewardMaxLinearY - beta ** 2;

        require(alpha > 0, "Alpha must be positive");
        require(beta > 0, "Beta must be positive");
        require(gamma > 0, "Gamma must be positive");
    }

    function calculatePositionUnitsFactor(uint256 _positionTimestamp) private view returns (uint256) {
        uint256 _maxRewardTime = maxRewardTime;
        uint256 time = block.timestamp - _positionTimestamp;

        if (time > _maxRewardTime) {
            time = _maxRewardTime;
        }

        return PRECISION_DECIMALS + (time * maxRewardTimePercentageGain / _maxRewardTime);
    }
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

interface ICVIOracle {
    function getCVIRoundData(uint80 roundId) external view returns (uint16 cviValue, uint256 cviTimestamp);
    function getCVILatestRoundData() external view returns (uint16 cviValue, uint80 cviRoundId, uint256 cviTimestamp);

    function setDeviationCheck(bool newDeviationCheck) external;
    function setMaxDeviation(uint16 newMaxDeviation) external;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

import "./ICVIOracle.sol";

interface IFeesCalculator {

    struct CVIValue {
        uint256 period;
        uint16 cviValue;
    }

    struct SnapshotUpdate {
        uint256 latestSnapshot;
        uint256 singleUnitFundingFee;
        uint256 totalTime;
        uint256 totalRounds;
        uint256 cviValueTimestamp;
        uint80 newLatestRoundId;
        uint16 cviValue;
        bool updatedSnapshot;
        bool updatedLatestRoundId;
        bool updatedLatestTimestamp;
        bool updatedTurbulenceData;
    }

    function updateTurbulenceIndicatorPercent(uint256 totalTime, uint256 newRounds, uint16 lastCVIValue, uint16 currCVIValue) external returns (uint16 _updateTurbulenceIndicatorPercent);

    function setOracle(ICVIOracle cviOracle) external;

    function setTurbulenceUpdator(address newUpdator) external;

    function setDepositFee(uint16 newDepositFeePercentage) external;
    function setWithdrawFee(uint16 newWithdrawFeePercentage) external;
    function setOpenPositionFee(uint16 newOpenPositionFeePercentage) external;
    function setOpenPositionLPFee(uint16 newOpenPositionLPFeePercent) external;
    function setClosePositionFee(uint16 newClosePositionFeePercentage) external;
    function setClosePositionMaxFee(uint16 newClosePositionMaxFeePercentage) external;
    function setClosePositionFeeDecay(uint256 newClosePositionFeeDecayPeriod) external;
    
    function setOracleHeartbeatPeriod(uint256 newOracleHeartbeatPeriod) external;
    function setBuyingPremiumFeeMax(uint16 newBuyingPremiumFeeMaxPercentage) external;
    function setBuyingPremiumThreshold(uint16 newBuyingPremiumThreshold) external;
    function setCollateralToBuyingPremiumMapping(uint16[] calldata newCollateralToBuyingPremiumMapping) external;
    function setFundingFeeConstantRate(uint16 newfundingFeeConstantRate) external;
    function setTurbulenceStep(uint16 newTurbulenceStepPercentage) external;
    function setMaxTurbulenceFeePercentToTrim(uint16 newMaxTurbulenceFeePercentToTrim) external;
    function setTurbulenceDeviationThresholdPercent(uint16 newTurbulenceDeviationThresholdPercent) external;
    function setTurbulenceDeviationPercent(uint16 newTurbulenceDeviationPercentage) external;

    function calculateTurbulenceIndicatorPercent(uint256 totalHeartbeats, uint256 newRounds, uint16 _lastCVIValue, uint16 _currCVIValue) external view returns (uint16);

    function calculateBuyingPremiumFee(uint168 tokenAmount, uint8 leverage, uint256 collateralRatio, uint256 lastCollateralRatio) external view returns (uint168 buyingPremiumFee, uint16 combinedPremiumFeePercentage);
    function calculateBuyingPremiumFeeWithTurbulence(uint168 tokenAmount, uint8 leverage, uint256 collateralRatio, uint256 lastCollateralRatio, uint16 _turbulenceIndicatorPercent) external view returns (uint168 buyingPremiumFee, uint16 combinedPremiumFeePercentage);
    
    function calculateSingleUnitFundingFee(CVIValue[] memory cviValues) external view returns (uint256 fundingFee);
    function updateSnapshots(uint256 latestTimestamp, uint256 blockTimestampSnapshot, uint256 latestTimestampSnapshot, uint80 latestOracleRoundId) external view returns (SnapshotUpdate memory snapshotUpdate);

    function calculateClosePositionFeePercent(uint256 creationTimestamp, bool isNoLockPositionAddress) external view returns (uint16);
    function calculateWithdrawFeePercent(uint256 lastDepositTimestamp) external view returns (uint16);

    function depositFeePercent() external view returns (uint16);
    function withdrawFeePercent() external view returns (uint16);
    function openPositionFeePercent() external view returns (uint16);
    function closePositionFeePercent() external view returns (uint16);
    function openPositionLPFeePercent() external view returns (uint16);
    function buyingPremiumFeeMaxPercent() external view returns (uint16);

    function openPositionFees() external view returns (uint16 openPositionFeePercentResult, uint16 buyingPremiumFeeMaxPercentResult);

    function turbulenceIndicatorPercent() external view returns (uint16);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

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

interface IFeesCollector {
    function sendProfit(uint256 amount, IERC20 token) external;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

interface ILiquidation {	
	function setMinLiquidationThresholdPercents(uint16[8] calldata newMinThresholdPercents) external;
	function setMinLiquidationRewardPercent(uint16 newMinRewardPercent) external;
	function setMaxLiquidationRewardPercents(uint16[8] calldata newMaxRewardPercents) external;
	function isLiquidationCandidate(uint256 positionBalance, bool isPositive, uint168 positionUnitsAmount, uint16 openCVIValue, uint8 leverage) external view returns (bool);
	function getLiquidationReward(uint256 positionBalance, bool isPositive, uint168 positionUnitsAmount, uint16 openCVIValue, uint8 leverage) external view returns (uint256 finderFeeAmount);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

import "./ICVIOracle.sol";
import "./IFeesCalculator.sol";
import "./IRewardsCollector.sol";
import "./IFeesCollector.sol";
import "./ILiquidation.sol";

interface IPlatform {

    struct Position {
        uint168 positionUnitsAmount;
        uint8 leverage;
        uint16 openCVIValue;
        uint32 creationTimestamp;
        uint32 originalCreationTimestamp;
    }

    event Deposit(address indexed account, uint256 tokenAmount, uint256 lpTokensAmount, uint256 feeAmount);
    event Withdraw(address indexed account, uint256 tokenAmount, uint256 lpTokensAmount, uint256 feeAmount);
    event OpenPosition(address indexed account, uint256 tokenAmount, uint8 leverage, uint256 feeAmount, uint256 positionUnitsAmount, uint256 cviValue);
    event ClosePosition(address indexed account, uint256 tokenAmount, uint256 feeAmount, uint256 positionUnitsAmount, uint8 leverage, uint256 cviValue);
    event LiquidatePosition(address indexed positionAddress, uint256 currentPositionBalance, bool isBalancePositive, uint256 positionUnitsAmount);

    function deposit(uint256 tokenAmount, uint256 minLPTokenAmount) external returns (uint256 lpTokenAmount);
    function withdraw(uint256 tokenAmount, uint256 maxLPTokenBurnAmount) external returns (uint256 burntAmount, uint256 withdrawnAmount);
    function withdrawLPTokens(uint256 lpTokenAmount) external returns (uint256 burntAmount, uint256 withdrawnAmount);

    function increaseSharedPool(uint256 tokenAmount) external;

    function openPositionWithoutPremiumFee(uint168 tokenAmount, uint16 maxCVI, uint8 leverage) external returns (uint168 positionUnitsAmount, uint168 positionedTokenAmount);
    function openPosition(uint168 tokenAmount, uint16 maxCVI, uint16 maxBuyingPremiumFeePercentage, uint8 leverage) external returns (uint168 positionUnitsAmount, uint168 positionedTokenAmount);
    function closePosition(uint168 positionUnitsAmount, uint16 minCVI) external returns (uint256 tokenAmount);

    function liquidatePositions(address[] calldata positionOwners) external returns (uint256 finderFeeAmount);
    function getLiquidableAddresses(address[] calldata positionOwners) external view returns (address[] memory);

    function setAddressSpecificParameters(address holderAddress, bool shouldLockPosition, bool noPremiumFeeAllowed, bool increaseSharedPoolAllowed) external;

    function setRevertLockedTransfers(bool revertLockedTransfers) external;

    function setSubContracts(IFeesCollector newCollector, ICVIOracle newOracle, IRewardsCollector newRewards, ILiquidation newLiquidation, address _newStakingContractAddress) external;
    function setFeesCalculator(IFeesCalculator newCalculator) external;

    function setLatestOracleRoundId(uint80 newOracleRoundId) external;
    function setMaxTimeAllowedAfterLatestRound(uint32 newMaxTimeAllowedAfterLatestRound) external;

    function setLockupPeriods(uint256 newLPLockupPeriod, uint256 newBuyersLockupPeriod) external;

    function setEmergencyParameters(bool newEmergencyWithdrawAllowed, bool newCanPurgeSnapshots) external;

    function setMaxAllowedLeverage(uint8 newMaxAllowedLeverage) external;

    function calculatePositionBalance(address positionAddress) external view returns (uint256 currentPositionBalance, bool isPositive, uint168 positionUnitsAmount, uint8 leverage, uint256 fundingFees, uint256 marginDebt);
    function calculatePositionPendingFees(address positionAddress, uint168 positionUnitsAmount) external view returns (uint256 pendingFees);

    function totalBalance() external view returns (uint256 balance);
    function totalBalanceWithAddendum() external view returns (uint256 balance);

    function calculateLatestTurbulenceIndicatorPercent() external view returns (uint16);

    function positions(address positionAddress) external view returns (uint168 positionUnitsAmount, uint8 leverage, uint16 openCVIValue, uint32 creationTimestamp, uint32 originalCreationTimestamp);
    function buyersLockupPeriod() external view returns (uint256);
    function maxCVIValue() external view returns (uint16);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

import "./IPlatform.sol";

interface IPositionRewards {
	event Claimed(address indexed account, uint256 rewardAmount);

	function claimReward() external;
	function calculatePositionReward(uint256 positionUnits, uint256 positionTimestamp) external view returns (uint256 rewardAmount);

	function setRewarder(address newRewarder) external;
	function setMaxDailyReward(uint256 newMaxDailyReward) external;	
	function setRewardCalculationParameters(uint256 newMaxSingleReward, uint256 rewardMaxLinearPositionUnits, uint256 rewardMaxLinearGOVI) external;
	function setRewardFactor(uint256 newRewardFactor) external;
	function setMaxClaimPeriod(uint256 newMaxClaimPeriod) external;
  	function setMaxRewardTime(uint256 newMaxRewardTime) external;
  	function setMaxRewardTimePercentageGain(uint256 _newMaxRewardTimePercentageGain) external;
	function setPlatform(IPlatform newPlatform) external;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8;

interface IRewardsCollector {
	function reward(address account, uint256 positionUnits, uint8 leverage) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/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.
 */
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 () {
        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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

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

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

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

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

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

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

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^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 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) {
        return msg.sender;
    }

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

{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 100
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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IERC20","name":"_cviToken","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"rewardAmount","type":"uint256"}],"name":"Claimed","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"},{"inputs":[],"name":"PRECISION_DECIMALS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_positionUnits","type":"uint256"},{"internalType":"uint256","name":"_positionTimestamp","type":"uint256"}],"name":"calculatePositionReward","outputs":[{"internalType":"uint256","name":"rewardAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lastClaimedDay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastMaxSingleReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastRewardMaxLinearGOVI","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastRewardMaxLinearPositionUnits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxClaimPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxDailyReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxRewardTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxRewardTimePercentageGain","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSingleReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"platform","outputs":[{"internalType":"contract IPlatform","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_positionUnits","type":"uint256"},{"internalType":"uint8","name":"_leverage","type":"uint8"}],"name":"reward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardCalculationValidTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardFactor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardMaxLinearGOVI","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardMaxLinearPositionUnits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewarder","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxClaimPeriod","type":"uint256"}],"name":"setMaxClaimPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxDailyReward","type":"uint256"}],"name":"setMaxDailyReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxRewardTime","type":"uint256"}],"name":"setMaxRewardTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxRewardTimePercentageGain","type":"uint256"}],"name":"setMaxRewardTimePercentageGain","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IPlatform","name":"_newPlatform","type":"address"}],"name":"setPlatform","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxSingleReward","type":"uint256"},{"internalType":"uint256","name":"_rewardMaxLinearPositionUnits","type":"uint256"},{"internalType":"uint256","name":"_rewardMaxLinearGOVI","type":"uint256"}],"name":"setRewardCalculationParameters","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newRewardFactor","type":"uint256"}],"name":"setRewardFactor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newRewarder","type":"address"}],"name":"setRewarder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"todayClaimedRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"unclaimedPositionUnits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000043df9c0a1156c96cea98737b511ac89d0e2a1f46

-----Decoded View---------------
Arg [0] : _cviToken (address): 0x43df9c0a1156c96cea98737b511ac89d0e2a1f46

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000043df9c0a1156c96cea98737b511ac89d0e2a1f46