// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;

import "../../../main/strategies/base/BaseStrategy.sol";
import "../../../main/interfaces/curve/ICurveGauge.sol";
import "../../../main/interfaces/IERCFund.sol";
import "../../../main/interfaces/IGenericVault.sol";

interface ICurveStableSwapNG is IERC20 {
    /// @notice Adds liquidity into the pool.
    /// @param _amounts Amounts of each coin to add.
    /// @param _min_mint_amount Minimum amount of LP to mint.
    /// @return uint256 Amount of LP tokens received by the `receiver`
    function add_liquidity(uint256[] calldata _amounts, uint256 _min_mint_amount) external returns (uint256);

    /// `nonReentrant`
    /// @notice Exchange using wrapped native token by default
    /// @param i Index value for the input coin
    /// @param j Index value for the output coin
    /// @param dx Amount of input coin being swapped in
    /// @param min_dy Minimum amount of output coin to receive
    /// @return uint256 Amount of tokens at index j received by the `receiver
    function exchange(int128 i, int128 j, uint256 dx, uint256 min_dy) external returns (uint256);

    function coins(uint256 index) external view returns (address);
}
interface __ICurveTricryptoOptimized {
    /// `nonReentrant`
    /// @dev i and j are uint256s, unlike `ICurveStableSwapNG`
    /// @notice Exchange using wrapped native token by default
    /// @param i Index value for the input coin
    /// @param j Index value for the output coin
    /// @param dx Amount of input coin being swapped in
    /// @param min_dy Minimum amount of output coin to receive
    /// @return uint256 Amount of tokens at index j received by the `receiver
    function exchange(uint256 i, uint256 j, uint256 dx, uint256 min_dy) external returns (uint256);
}
interface ICurveTest {
    //def deposit(_value: uint256, _user: address = msg.sender, _claim_rewards: bool = False):
    //function deposit(uint256 _value) external;
    //function deposit(uint256 _value, address _addr) external;
    function deposit(uint256 _value, address _addr, bool _claim_rewards) external;
    function decimals() external view returns (uint256);
}

//Pools with two tokens that have only FXS rewards
//Don't use for TriFXS
contract FraxtalCurveTwoPoolStrategy is BaseStrategy {

    uint256 public constant FEE_DENOMINATOR = 10000;

    address private constant FXS = 0xFc00000000000000000000000000000000000002;
    address private constant TRIFXS_POOL = 0xa0D3911349e701A1F49C1Ba2dDA34b4ce9636569;
    address public underlying;
    uint256 private index = 0;

    constructor(
        address _rewards,
        address _want,
        address _underlying
    )
        public
        BaseStrategy(
            _want,
            0x8b36504F2c52f59a57EE6c84d6f1b82e7698EcF0, //Fraxtal ERCFund
            FXS,
            TRIFXS_POOL,
            _rewards
        )
    {
        underlying = _underlying;

        //frax = 0
        //frxETH = 1
        //fxs = 2
        if (underlying == 0xFC00000000000000000000000000000000000006) {
            index = 1;
        }

        IERC20(_want).safeApprove(_rewards, uint256(-1));
        IERC20(FXS).safeApprove(currentRouter, uint256(-1));
        IERC20(_underlying).safeApprove(_want, uint256(-1));
    }


    // **** Views ****

    function balanceOfPool() public override view returns (uint256) {
        return IERC20(rewards).balanceOf(address(this));
    }

    //Calling claimable_reward via a transaction = claim available reward tokens
    function getHarvestable() external override view returns (uint256) {
        return 0; //ICurveGauge(rewards).claimable_reward(address(this), harvestedToken);
    }

    function getFeeDistToken() public override view returns (address) {
        return FXS;
    }

    /* **** Mutative functions **** */

    function harvest() public override onlyHumanOrWhitelisted nonReentrant {
        _getReward();

        //distribute fee
        uint256 _amountHarvested = IERC20(harvestedToken).balanceOf(address(this));
        if (_amountHarvested > 0) {
            uint256 _feeAmount = _amountHarvested.mul(IERCFund(strategist).getFee()).div(FEE_DENOMINATOR);
            IERC20(harvestedToken).safeTransfer(strategist, _feeAmount);
        }

        uint256 _remainingHarvested = IERC20(harvestedToken).balanceOf(address(this));
        if (_remainingHarvested > 0) {
            __ICurveTricryptoOptimized(currentRouter).exchange(2, index, _remainingHarvested, 1);
        }

        uint256 _underlyingBalance = IERC20(underlying).balanceOf(address(this));
        if (_underlyingBalance > 0) {
            uint256[] memory _balances = new uint256[](2);
            //strategy is only for pool with two tokens
            if (ICurveStableSwapNG(want).coins(0) == underlying) {
                _balances[0] = _underlyingBalance;
            }
            else {
                _balances[1] = _underlyingBalance;
            }
            ICurveStableSwapNG(want).add_liquidity(_balances, 0);

            _distributePerformanceFeesAndDeposit();
        }
    }

    function deposit() public override {
        uint256 _want = IERC20(want).balanceOf(address(this));
        if (_want > 0) {
            ICurveGauge(rewards).deposit(_want, address(this));
        }
    }

    function _withdrawSome(uint256 _amount)
        internal
        override
        returns (uint256)
    {
        ICurveGauge(rewards).withdraw(_amount);
        return _amount;
    }

    function _getReward() internal {
        ICurveGauge(rewards).claim_rewards();
    }

    // **** Admin functions ****

    // Added to support recovering LP Rewards from other systems to be distributed to holders
    function salvage(address recipient, address token, uint256 amount) public onlyOwner {
        // Admin cannot withdraw the staking or harvested token from the contract
        require(token != want, "cannot salvage want");
        require(token != harvestedToken, "cannot salvage harvestedToken");
        require(token != rewards, "cannot salvage gauge token");
        IERC20(token).safeTransfer(recipient, amount);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 () 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;
    }
}

// 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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../utils/Context.sol";
import "./IERC20.sol";
import "../../math/SafeMath.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) public {
        _name = name_;
        _symbol = symbol_;
        _decimals = 18;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
     * called.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal virtual {
        _decimals = decimals_;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.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 SafeMath for uint256;
    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).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _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 >=0.6.2 <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 >=0.6.0 <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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor () internal {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;

interface ICurveGauge {

    /// @notice Get the number of claimable reward tokens for a user
    /// @dev Calling it from an external account = view function
    ///      Calling it via a transaction = claim available reward tokens
    /// @param _addr Account to get reward amount for
    /// @param _token Token to get reward amount for
    /// @return uint256 Claimable reward token amount
    function claimable_reward(address _addr, address _token) external returns (uint256);
    function claimable_reward_write(address _addr, address _token) external returns (uint256);

    /// @notice Claim available reward tokens for `_addr`
    /// @param _addr Address to claim for
    /// @param _receiver Address to transfer rewards to - if set to ZERO_ADDRESS, uses the default reward receiver for the caller
    function claim_rewards(address _addr, address _receiver) external returns (uint256);
    function claim_rewards() external;

    /// @notice Deposit `_value` LP tokens
    /// @dev Depositting also claims pending reward tokens
    /// @param _value Number of tokens to deposit
    /// @param _addr Address to deposit for
    function deposit(uint256 _value, address _addr) external;
    function deposit(uint256 _value, address _addr, bool _claim_rewards) external;
    function deposit(uint256 _value) external;

    /// @notice Withdraw `_value` LP tokens
    /// @dev Withdrawing also claims pending reward tokens
    /// @param _value Number of tokens to withdraw
    function withdraw(uint256 _value) external;
    function withdraw(uint256 _value, bool _claim_rewards) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;

interface IERCFund {
    function feeShareEnabled() external view returns (bool);

    function depositToFeeDistributor(address token, uint256 amount) external;

    function notifyFeeDistribution(address token) external;

    function getFee() external view returns (uint256);

    function recover(address token) external;
}

pragma solidity ^0.6.12;

import "./IVault.sol";

//A normal vault is a vault where the strategy contract notifies the vault contract about the profit it generated when harvesting. 
interface IGenericVault is IVault {
    
    //Strategy calls notifyReward to let the vault know that it earned a certain amount of profit (the performance fee) for gov token stakers
    function notifyReward(address _reward, uint256 _amount) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;
pragma experimental ABIEncoderV2;

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

//A Jar is a contract that users deposit funds into.
//Jar contracts are paired with a strategy contract that interacts with the pool being farmed.
interface IJar {
    function token() external view returns (IERC20);

    function getRatio() external view returns (uint256);

    function balance() external view returns (uint256);

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

    function depositAll() external;

    function deposit(uint256) external;

    //function depositFor(address user, uint256 amount) external;

    function withdrawAll() external;

    //function withdraw(uint256) external;

    //function earn() external;

    function strategy() external view returns (address);

    //function decimals() external view returns (uint8);

    //function getLastTimeRestaked(address _address) external view returns (uint256);

    //function notifyReward(address _reward, uint256 _amount) external;

    //function getPendingReward(address _user) external view returns (uint256);
}

pragma solidity ^0.6.12;

interface IStrategy {
    //Returns the token sent to the fee dist contract, which is used to calculate the amount of ADDY to mint when claiming rewards
    function getFeeDistToken() external view returns (address);

    //Returns the harvested token, which is not guaranteed to be the fee dist token
    function getHarvestedToken() external view returns (address);

    function lastHarvestTime() external view returns (uint256);

    function rewards() external view returns (address);

    function want() external view returns (address);

    function deposit() external;

    function withdrawForSwap(uint256) external returns (uint256);

    function withdraw(uint256) external;

    function balanceOf() external view returns (uint256);

    function getHarvestable() external view returns (uint256);

    function harvest() external;

    function setJar(address _jar) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;

import "./IJar.sol";

//Vaults are jars that emit ADDY rewards.
interface IVault is IJar {

    function getBoost(address _user) external view returns (uint256);

    function getPendingReward(address _user) external view returns (uint256);

    function getLastDepositTime(address _user) external view returns (uint256);

    function getTokensStaked(address _user) external view returns (uint256);

    function totalShares() external view returns (uint256);

    function getRewardMultiplier() external view returns (uint256);   

    function rewardAllocation() external view returns (uint256);   

    function totalPendingReward() external view returns (uint256);   

    function withdrawPenaltyTime() external view returns (uint256);  

    function withdrawPenalty() external view returns (uint256);   
    
    function increaseRewardAllocation(uint256 _newReward) external;

    function setWithdrawPenaltyTime(uint256 _withdrawPenaltyTime) external;

    function setWithdrawPenalty(uint256 _withdrawPenalty) external;

    function setRewardMultiplier(uint256 _rewardMultiplier) external;
}

pragma solidity ^0.6.12;

interface IUniswapRouterV2 {
    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;

    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        );

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint256 liquidity,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB);

    function getAmountsOut(uint256 amountIn, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);

    function getAmountsIn(uint256 amountOut, address[] calldata path)
        external
        view
        returns (uint256[] memory amounts);

    function swapETHForExactTokens(
        uint256 amountOut,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint 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 (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint 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 (uint);

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

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

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    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 (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;

    function initialize(address, address) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

import "../../interfaces/IStrategy.sol";
import "../../interfaces/IJar.sol";
import "../../interfaces/uniswap/IUniswapV2Pair.sol";
import "../../interfaces/uniswap/IUniswapRouterV2.sol";

abstract contract BaseStrategy is IStrategy, Ownable, ReentrancyGuard {
    using SafeERC20 for IERC20;
    using Address for address;
    using SafeMath for uint256;

    uint256 public override lastHarvestTime = 0;

    // Tokens
    address public override want; //The token being staked.
    address internal harvestedToken; //The token we harvest. If the reward pool emits multiple tokens, they should be converted to a single token.

    // Contracts
    address public override rewards; //The staking rewards/MasterChef contract
    address public strategist; //The address the performance fee is sent to
    address public multiHarvest; //0x3355743Db830Ed30FF4089DB8b18DEeb683F8546; //The multi harvest contract
    address public jar; //The vault/jar contract

    // Dex
    address public currentRouter; //0xa5E0829CaCEd8fFDD4De3c43696c57F7D7A678ff; //Quickswap router

    constructor(
        address _want,
        address _strategist,
        address _harvestedToken,
        address _currentRouter,
        address _rewards
    ) public {
        require(_want != address(0));
        require(_strategist != address(0));
        require(_harvestedToken != address(0));
        require(_currentRouter != address(0));
        require(_rewards != address(0));

        want = _want;
        strategist = _strategist;
        harvestedToken = _harvestedToken;
        currentRouter = _currentRouter;
        rewards = _rewards;
    }

    // **** Modifiers **** //

    //prevent unauthorized smart contracts from calling harvest()
    modifier onlyHumanOrWhitelisted {
        require(msg.sender == tx.origin || msg.sender == owner() || msg.sender == multiHarvest || msg.sender == jar, "not authorized");
        _;
    }

    // **** Views **** //

    function balanceOfWant() public view returns (uint256) {
        return IERC20(want).balanceOf(address(this));
    }

    function balanceOfPool() public virtual view returns (uint256);

    function balanceOf() public override view returns (uint256) {
        return balanceOfWant().add(balanceOfPool());
    }

    function getHarvestedToken() public override view returns (address) {
        return harvestedToken;
    }

    // **** Setters **** //

    function setJar(address _jar) external override onlyOwner {
        require(jar == address(0), "jar already set");
        require(IJar(_jar).strategy() == address(this), "incorrect jar");
        jar = _jar;
        emit SetJar(_jar);
    }

    function setMultiHarvest(address _address) external onlyOwner {
        require(_address != address(0));
        multiHarvest = _address;
    }

    // **** State mutations **** //
    function deposit() public override virtual;

    // Withdraw partial funds, normally used with a jar withdrawal
    function withdraw(uint256 _amount) external override {
        require(msg.sender == jar, "!jar");
        uint256 _balance = IERC20(want).balanceOf(address(this));
        if (_balance < _amount) {
            _amount = _withdrawSome(_amount.sub(_balance));
            _amount = _amount.add(_balance);
        }

        IERC20(want).safeTransfer(jar, _amount);
    }

    // Withdraw funds, used to swap between strategies
    // Not utilized right now, but could be used for i.e. multi stablecoin strategies
    function withdrawForSwap(uint256 _amount)
        external override
        returns (uint256 balance)
    {
        require(msg.sender == jar, "!jar");
        _withdrawSome(_amount);

        balance = IERC20(want).balanceOf(address(this));

        IERC20(want).safeTransfer(jar, balance);
    }

    function _withdrawSome(uint256 _amount) internal virtual returns (uint256);

    function harvest() public override virtual;

    // **** Internal functions ****

    //Performs a swap through the current router, assuming infinite approval for the token was already given
    function _swapUniswapWithPathPreapproved(
        address[] memory path,
        uint256 _amount,
        address _router
    ) internal {
        require(path[1] != address(0));

        IUniswapRouterV2(_router).swapExactTokensForTokens(
            _amount,
            0,
            path,
            address(this),
            now.add(60)
        );
    }

    function _swapUniswapWithPathPreapproved(
        address[] memory path,
        uint256 _amount
    ) internal {
        _swapUniswapWithPathPreapproved(path, _amount, currentRouter);
    }

    //Legacy swap functions left in to not break compatibility with older strategy contracts
    function _swapUniswapWithPath(
        address[] memory path,
        uint256 _amount,
        address _router
    ) internal {
        require(path[1] != address(0));

        // Swap with uniswap
        IERC20(path[0]).safeApprove(_router, 0);
        IERC20(path[0]).safeApprove(_router, _amount);

        IUniswapRouterV2(_router).swapExactTokensForTokens(
            _amount,
            0,
            path,
            address(this),
            now.add(60)
        );
    }

    function _swapUniswapWithPath(
        address[] memory path,
        uint256 _amount
    ) internal {
        _swapUniswapWithPath(path, _amount, currentRouter);
    }

    function _swapUniswapWithPathForFeeOnTransferTokens(
        address[] memory path,
        uint256 _amount,
        address _router
    ) internal {
        require(path[1] != address(0));

        // Swap with uniswap
        IERC20(path[0]).safeApprove(_router, 0);
        IERC20(path[0]).safeApprove(_router, _amount);

        IUniswapRouterV2(_router).swapExactTokensForTokensSupportingFeeOnTransferTokens(
            _amount,
            0,
            path,
            address(this),
            now.add(60)
        );
    }

    function _swapUniswapWithPathForFeeOnTransferTokens(
        address[] memory path,
        uint256 _amount
    ) internal {
        _swapUniswapWithPathForFeeOnTransferTokens(path, _amount, currentRouter);
    }

    function _distributePerformanceFeesAndDeposit() internal {
        uint256 _want = IERC20(want).balanceOf(address(this));

        if (_want > 0) {
            deposit();
        }
        lastHarvestTime = now;
    }

    // **** Events **** //
    event SetJar(address indexed jar);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_rewards","type":"address"},{"internalType":"address","name":"_want","type":"address"},{"internalType":"address","name":"_underlying","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":true,"internalType":"address","name":"jar","type":"address"}],"name":"SetJar","type":"event"},{"inputs":[],"name":"FEE_DENOMINATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balanceOfPool","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"balanceOfWant","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currentRouter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getFeeDistToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getHarvestable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getHarvestedToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"harvest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"jar","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastHarvestTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"multiHarvest","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":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewards","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"salvage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_jar","type":"address"}],"name":"setJar","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"setMultiHarvest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"strategist","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"underlying","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"want","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawForSwap","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]

0x608060405260006002556000600b553480156200001b57600080fd5b506040516200220038038062002200833981810160405260608110156200004157600080fd5b508051602082015160409092015190919081738b36504f2c52f59a57ee6c84d6f1b82e7698ecf073fc0000000000000000000000000000000000000273a0d3911349e701a1f49c1ba2dda34b4ce96365698660006200009f62000273565b600080546001600160a01b0319166001600160a01b0383169081178255604051929350917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908290a350600180556001600160a01b0385166200010157600080fd5b6001600160a01b0384166200011557600080fd5b6001600160a01b0383166200012957600080fd5b6001600160a01b0382166200013d57600080fd5b6001600160a01b0381166200015157600080fd5b600380546001600160a01b03199081166001600160a01b03978816179091556006805482169587169590951790945560048054851693861693909317909255600980548416918516919091179055600580548316918416919091179055600a805490911683831617908190551673fc000000000000000000000000000000000000061415620001e0576001600b555b6200020783600019846001600160a01b03166200027760201b620012a6179092919060201c565b600954620002439073fc00000000000000000000000000000000000002906001600160a01b031660001962000277602090811b620012a617901c565b6200026a82600019836001600160a01b03166200027760201b620012a6179092919060201c565b5050506200068a565b3390565b80158062000301575060408051636eb1769f60e11b81523060048201526001600160a01b03848116602483015291519185169163dd62ed3e91604480820192602092909190829003018186803b158015620002d157600080fd5b505afa158015620002e6573d6000803e3d6000fd5b505050506040513d6020811015620002fd57600080fd5b5051155b6200033e5760405162461bcd60e51b8152600401808060200182810382526036815260200180620021ca6036913960400191505060405180910390fd5b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b0390811663095ea7b360e01b17909152620003969185916200039b16565b505050565b6060620003f7826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b03166200045760201b620013b9179092919060201c565b80519091501562000396578080602001905160208110156200041857600080fd5b5051620003965760405162461bcd60e51b815260040180806020018281038252602a815260200180620021a0602a913960400191505060405180910390fd5b606062000468848460008562000472565b90505b9392505050565b606082471015620004b55760405162461bcd60e51b81526004018080602001828103825260268152602001806200217a6026913960400191505060405180910390fd5b620004c085620005da565b62000512576040805162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e7472616374000000604482015290519081900360640190fd5b60006060866001600160a01b031685876040518082805190602001908083835b60208310620005535780518252601f19909201916020918201910162000532565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d8060008114620005b7576040519150601f19603f3d011682016040523d82523d6000602084013e620005bc565b606091505b509092509050620005cf828286620005e0565b979650505050505050565b3b151590565b60608315620005f15750816200046b565b825115620006025782518084602001fd5b8160405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b838110156200064e57818101518382015260200162000634565b50505050905090810190601f1680156200067c5780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b611ae0806200069a6000396000f3fe608060405234801561001057600080fd5b50600436106101735760003560e01c8063715018a6116100de578063c1a3d44c11610097578063d0e30db011610071578063d0e30db0146102c6578063d73792a9146102ce578063f2fde38b146102d6578063f6f482aa146102fc57610173565b8063c1a3d44c14610299578063c6223e26146102a1578063ceb0f626146102be57610173565b8063715018a61461024b578063722713f7146102535780638da5cb5b1461025b5780639d27ab70146102635780639ec5a89414610289578063be38a4fe1461029157610173565b80631fe4a686116101305780631fe4a686146102065780632e1a7d4d1461020e5780634641257d1461022b578063506508f11461023357806367367d231461023b5780636f307dc31461024357610173565b80630547104d146101785780631113ef521461019257806311588086146101ca578063122fea3b146101d25780631836edca146101f65780631f1fcd51146101fe575b600080fd5b610180610322565b60408051918252519081900360200190f35b6101c8600480360360608110156101a857600080fd5b506001600160a01b03813581169160208101359091169060400135610327565b005b6101806104c1565b6101da61053d565b604080516001600160a01b039092168252519081900360200190f35b6101da61054c565b6101da610557565b6101da610566565b6101c86004803603602081101561022457600080fd5b5035610575565b6101c8610680565b6101da610bfb565b6101da610c0a565b6101da610c19565b6101c8610c28565b610180610cd4565b6101da610cf4565b6101c86004803603602081101561027957600080fd5b50356001600160a01b0316610d03565b6101da610d9a565b6101da610da9565b610180610db8565b610180600480360360208110156102b757600080fd5b5035610e03565b610180610ef4565b6101c8610efa565b610180610fe8565b6101c8600480360360208110156102ec57600080fd5b50356001600160a01b0316610fee565b6101c86004803603602081101561031257600080fd5b50356001600160a01b03166110f0565b600090565b61032f6113d2565b6001600160a01b0316610340610cf4565b6001600160a01b031614610389576040805162461bcd60e51b81526020600482018190526024820152600080516020611a2b833981519152604482015290519081900360640190fd5b6003546001600160a01b03838116911614156103e2576040805162461bcd60e51b815260206004820152601360248201527218d85b9b9bdd081cd85b1d9859d9481dd85b9d606a1b604482015290519081900360640190fd5b6004546001600160a01b0383811691161415610445576040805162461bcd60e51b815260206004820152601d60248201527f63616e6e6f742073616c7661676520686172766573746564546f6b656e000000604482015290519081900360640190fd5b6005546001600160a01b03838116911614156104a8576040805162461bcd60e51b815260206004820152601a60248201527f63616e6e6f742073616c7661676520676175676520746f6b656e000000000000604482015290519081900360640190fd5b6104bc6001600160a01b03831684836113d6565b505050565b600554604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b15801561050c57600080fd5b505afa158015610520573d6000803e3d6000fd5b505050506040513d602081101561053657600080fd5b5051905090565b6009546001600160a01b031681565b6002603f609a1b0190565b6003546001600160a01b031681565b6006546001600160a01b031681565b6008546001600160a01b031633146105bd576040805162461bcd60e51b8152602060048083019190915260248201526310b530b960e11b604482015290519081900360640190fd5b600354604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b15801561060857600080fd5b505afa15801561061c573d6000803e3d6000fd5b505050506040513d602081101561063257600080fd5b505190508181101561065f5761065061064b8383611428565b61148a565b915061065c82826114f4565b91505b60085460035461067c916001600160a01b039182169116846113d6565b5050565b333214806106a65750610691610cf4565b6001600160a01b0316336001600160a01b0316145b806106bb57506007546001600160a01b031633145b806106d057506008546001600160a01b031633145b610712576040805162461bcd60e51b815260206004820152600e60248201526d1b9bdd08185d5d1a1bdc9a5e995960921b604482015290519081900360640190fd5b6002600154141561076a576040805162461bcd60e51b815260206004820152601f60248201527f5265656e7472616e637947756172643a207265656e7472616e742063616c6c00604482015290519081900360640190fd5b600260015561077761154e565b60048054604080516370a0823160e01b81523093810193909352516000926001600160a01b03909216916370a08231916024808301926020929190829003018186803b1580156107c657600080fd5b505afa1580156107da573d6000803e3d6000fd5b505050506040513d60208110156107f057600080fd5b5051905080156108ae57600061088c612710610886600660009054906101000a90046001600160a01b03166001600160a01b031663ced72f876040518163ffffffff1660e01b815260040160206040518083038186803b15801561085357600080fd5b505afa158015610867573d6000803e3d6000fd5b505050506040513d602081101561087d57600080fd5b505185906115b8565b90611611565b6006546004549192506108ac916001600160a01b039081169116836113d6565b505b60048054604080516370a0823160e01b81523093810193909352516000926001600160a01b03909216916370a08231916024808301926020929190829003018186803b1580156108fd57600080fd5b505afa158015610911573d6000803e3d6000fd5b505050506040513d602081101561092757600080fd5b5051905080156109c457600954600b5460408051630b68372160e31b81526002600482015260248101929092526044820184905260016064830152516001600160a01b0390921691635b41b908916084808201926020929091908290030181600087803b15801561099757600080fd5b505af11580156109ab573d6000803e3d6000fd5b505050506040513d60208110156109c157600080fd5b50505b600a54604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b158015610a0f57600080fd5b505afa158015610a23573d6000803e3d6000fd5b505050506040513d6020811015610a3957600080fd5b505190508015610bf25760408051600280825260608083018452926020830190803683375050600a546003546040805163c661065760e01b81526000600482015290519495506001600160a01b039283169492909116925063c6610657916024808301926020929190829003018186803b158015610ab657600080fd5b505afa158015610aca573d6000803e3d6000fd5b505050506040513d6020811015610ae057600080fd5b50516001600160a01b03161415610b10578181600081518110610aff57fe5b602002602001018181525050610b2b565b8181600181518110610b1e57fe5b6020026020010181815250505b60035460408051635b96faef60e11b8152600060248201819052600482019283528451604483015284516001600160a01b039094169363b72df5de938693909182916064019060208087019102808383885b83811015610b95578181015183820152602001610b7d565b505050509050019350505050602060405180830381600087803b158015610bbb57600080fd5b505af1158015610bcf573d6000803e3d6000fd5b505050506040513d6020811015610be557600080fd5b50610bf09050611678565b505b50506001805550565b6007546001600160a01b031681565b6004546001600160a01b031690565b600a546001600160a01b031681565b610c306113d2565b6001600160a01b0316610c41610cf4565b6001600160a01b031614610c8a576040805162461bcd60e51b81526020600482018190526024820152600080516020611a2b833981519152604482015290519081900360640190fd5b600080546040516001600160a01b03909116907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908390a3600080546001600160a01b0319169055565b6000610cef610ce16104c1565b610ce9610db8565b906114f4565b905090565b6000546001600160a01b031690565b610d0b6113d2565b6001600160a01b0316610d1c610cf4565b6001600160a01b031614610d65576040805162461bcd60e51b81526020600482018190526024820152600080516020611a2b833981519152604482015290519081900360640190fd5b6001600160a01b038116610d7857600080fd5b600780546001600160a01b0319166001600160a01b0392909216919091179055565b6005546001600160a01b031681565b6008546001600160a01b031681565b600354604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b15801561050c57600080fd5b6008546000906001600160a01b03163314610e4e576040805162461bcd60e51b8152602060048083019190915260248201526310b530b960e11b604482015290519081900360640190fd5b610e578261148a565b50600354604080516370a0823160e01b815230600482015290516001600160a01b03909216916370a0823191602480820192602092909190829003018186803b158015610ea357600080fd5b505afa158015610eb7573d6000803e3d6000fd5b505050506040513d6020811015610ecd57600080fd5b5051600854600354919250610eef916001600160a01b039081169116836113d6565b919050565b60025481565b600354604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b158015610f4557600080fd5b505afa158015610f59573d6000803e3d6000fd5b505050506040513d6020811015610f6f57600080fd5b505190508015610fe55760055460408051636e553f6560e01b81526004810184905230602482015290516001600160a01b0390921691636e553f659160448082019260009290919082900301818387803b158015610fcc57600080fd5b505af1158015610fe0573d6000803e3d6000fd5b505050505b50565b61271081565b610ff66113d2565b6001600160a01b0316611007610cf4565b6001600160a01b031614611050576040805162461bcd60e51b81526020600482018190526024820152600080516020611a2b833981519152604482015290519081900360640190fd5b6001600160a01b0381166110955760405162461bcd60e51b81526004018080602001828103825260268152602001806119be6026913960400191505060405180910390fd5b600080546040516001600160a01b03808516939216917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e091a3600080546001600160a01b0319166001600160a01b0392909216919091179055565b6110f86113d2565b6001600160a01b0316611109610cf4565b6001600160a01b031614611152576040805162461bcd60e51b81526020600482018190526024820152600080516020611a2b833981519152604482015290519081900360640190fd5b6008546001600160a01b0316156111a2576040805162461bcd60e51b815260206004820152600f60248201526e1a985c88185b1c9958591e481cd95d608a1b604482015290519081900360640190fd5b306001600160a01b0316816001600160a01b031663a8c62e766040518163ffffffff1660e01b815260040160206040518083038186803b1580156111e557600080fd5b505afa1580156111f9573d6000803e3d6000fd5b505050506040513d602081101561120f57600080fd5b50516001600160a01b03161461125c576040805162461bcd60e51b815260206004820152600d60248201526c34b731b7b93932b1ba103530b960991b604482015290519081900360640190fd5b600880546001600160a01b0319166001600160a01b0383169081179091556040517f55c9c1522358ac20ccd3c4887fe1886c26bd0f045ab7fd11acd78680bb77956990600090a250565b80158061132c575060408051636eb1769f60e11b81523060048201526001600160a01b03848116602483015291519185169163dd62ed3e91604480820192602092909190829003018186803b1580156112fe57600080fd5b505afa158015611312573d6000803e3d6000fd5b505050506040513d602081101561132857600080fd5b5051155b6113675760405162461bcd60e51b8152600401808060200182810382526036815260200180611a756036913960400191505060405180910390fd5b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663095ea7b360e01b1790526104bc908490611706565b60606113c884846000856117b7565b90505b9392505050565b3390565b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663a9059cbb60e01b1790526104bc908490611706565b60008282111561147f576040805162461bcd60e51b815260206004820152601e60248201527f536166654d6174683a207375627472616374696f6e206f766572666c6f770000604482015290519081900360640190fd5b508082035b92915050565b60055460408051632e1a7d4d60e01b81526004810184905290516000926001600160a01b031691632e1a7d4d916024808301928692919082900301818387803b1580156114d657600080fd5b505af11580156114ea573d6000803e3d6000fd5b5093949350505050565b6000828201838110156113cb576040805162461bcd60e51b815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b600560009054906101000a90046001600160a01b03166001600160a01b031663e6f1daf26040518163ffffffff1660e01b8152600401600060405180830381600087803b15801561159e57600080fd5b505af11580156115b2573d6000803e3d6000fd5b50505050565b6000826115c757506000611484565b828202828482816115d457fe5b04146113cb5760405162461bcd60e51b8152600401808060200182810382526021815260200180611a0a6021913960400191505060405180910390fd5b6000808211611667576040805162461bcd60e51b815260206004820152601a60248201527f536166654d6174683a206469766973696f6e206279207a65726f000000000000604482015290519081900360640190fd5b81838161167057fe5b049392505050565b600354604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b1580156116c357600080fd5b505afa1580156116d7573d6000803e3d6000fd5b505050506040513d60208110156116ed57600080fd5b5051905080156116ff576116ff610efa565b5042600255565b606061175b826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b03166113b99092919063ffffffff16565b8051909150156104bc5780806020019051602081101561177a57600080fd5b50516104bc5760405162461bcd60e51b815260040180806020018281038252602a815260200180611a4b602a913960400191505060405180910390fd5b6060824710156117f85760405162461bcd60e51b81526004018080602001828103825260268152602001806119e46026913960400191505060405180910390fd5b61180185611913565b611852576040805162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e7472616374000000604482015290519081900360640190fd5b60006060866001600160a01b031685876040518082805190602001908083835b602083106118915780518252601f199092019160209182019101611872565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d80600081146118f3576040519150601f19603f3d011682016040523d82523d6000602084013e6118f8565b606091505b5091509150611908828286611919565b979650505050505050565b3b151590565b606083156119285750816113cb565b8251156119385782518084602001fd5b8160405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b8381101561198257818101518382015260200161196a565b50505050905090810190601f1680156119af5780820380516001836020036101000a031916815260200191505b509250505060405180910390fdfe4f776e61626c653a206e6577206f776e657220697320746865207a65726f2061646472657373416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f774f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65725361666545524332303a204552433230206f7065726174696f6e20646964206e6f7420737563636565645361666545524332303a20617070726f76652066726f6d206e6f6e2d7a65726f20746f206e6f6e2d7a65726f20616c6c6f77616e6365a26469706673582212206dd99ce5ccd833c733527581847b7a8e73ebd9f98dc605430c6854473762ba3a64736f6c634300060c0033416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c5361666545524332303a204552433230206f7065726174696f6e20646964206e6f7420737563636565645361666545524332303a20617070726f76652066726f6d206e6f6e2d7a65726f20746f206e6f6e2d7a65726f20616c6c6f77616e636500000000000000000000000064100c172d5dc8007e3ee701ecd99468619b658300000000000000000000000086d7fa03a70c428d3e28092f4509a16f16ec5b7c000000000000000000000000fc00000000000000000000000000000000000001

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