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//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../libs/UniversalERC20.sol";
import "../interfaces/IVault.sol";
import "../interfaces/IDistribution.sol";
import "./Helpers.sol";

contract DSMath is Helpers {
	function add(uint256 x, uint256 y) internal pure returns (uint256 z) {
		require((z = x + y) >= x, "math-not-safe");
	}

	function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {
		require((z = x - y) <= x, "math-not-safe");
	}

	function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {
		require(y == 0 || (z = x * y) / y == x, "math-not-safe");
	}

	function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
		require(_b > 0); // Solidity only automatically asserts when dividing by 0
		uint256 c = _a / _b;
		// assert(_a == _b * c + _a % _b); // There is no case in which this doesn't hold
		return c;
	}

	uint256 constant WAD = 10**18;

	function wmul(uint256 x, uint256 y) internal pure returns (uint256 z) {
		z = add(mul(x, y), WAD / 2) / WAD;
	}

	function wdiv(uint256 x, uint256 y) internal pure returns (uint256 z) {
		z = add(mul(x, WAD), y / 2) / y;
	}
}

contract VaultResolver is DSMath {
	using UniversalERC20 for IERC20;
	using SafeMath for uint256;

	event VaultDeposit(address indexed erc20, uint256 tokenAmt);
	event VaultWithdraw(address indexed erc20, uint256 tokenAmt);
	event VaultClaim(address indexed erc20, uint256 tokenAmt);
	event Claim(address indexed erc20, uint256 tokenAmt);

	function _payFees(
		address _vault,
		address underlying,
		uint256 amt
	) internal returns (uint256 feesPaid) {
		(uint256 fee, uint256 maxFee, address feeRecipient) = getVaultFee(
			_vault
		);

		if (fee > 0) {
			require(feeRecipient != address(0), "ZERO ADDRESS");

			feesPaid = div(mul(amt, fee), maxFee);

			IERC20(underlying).universalTransfer(feeRecipient, feesPaid);
		}
	}

	/**
	 * @dev Deposit tokens to ETHA Vault
	 * @param vault address of vault
	 * @param tokenAmt amount of tokens to deposit
	 * @param getId read value of tokenAmt from memory contract
	 */
	function deposit(
		IVault vault,
		uint256 tokenAmt,
		uint256 getId
	) external payable {
		uint256 realAmt = getId > 0 ? getUint(getId) : tokenAmt;

		require(realAmt > 0, "!AMOUNT");

		IERC20 erc20 = IERC20(address(vault.underlying()));
		erc20.universalApprove(address(vault), realAmt);

		vault.deposit(realAmt);
		emit VaultDeposit(address(erc20), realAmt);
	}

	/**
	 * @dev Withdraw tokens from ETHA Vault
	 * @param vault address of vault
	 * @param tokenAmt amount of vault tokens to withdraw
	 * @param getId read value of tokenAmt from memory contract
	 */
	function withdraw(
		IVault vault,
		uint256 tokenAmt,
		uint256 getId,
		uint256 setId
	) external payable {
		uint256 realAmt = getId > 0 ? getUint(getId) : tokenAmt;

		require(vault.balanceOf(address(this)) >= realAmt, "!BALANCE");

		address distToken = IDistribution(vault.distribution()).rewardsToken();
		uint256 initialBal = IERC20(distToken).balanceOf(address(this));

		vault.withdraw(realAmt);
		address underlying = address(vault.underlying());
		emit VaultWithdraw(underlying, realAmt);

		uint256 feesPaid = _payFees(address(vault), underlying, realAmt);

		uint256 _claimed = IERC20(distToken).balanceOf(address(this)).sub(
			initialBal
		);

		// set tokens received after paying fees
		if (setId > 0) {
			setUint(setId, realAmt.sub(feesPaid));
		}

		if (_claimed > 0) {
			emit Claim(distToken, _claimed);
		}
	}

	/**
	 * @dev claim rewards from ETHA Vault
	 * @param vault address of vault
	 * @param setId store value of rewards received to memory contract
	 */
	function claim(IVault vault, uint256 setId) external {
		address distToken = IDistribution(vault.distribution()).rewardsToken();
		uint256 initialBal = IERC20(distToken).balanceOf(address(this));

		uint256 claimed = vault.claim();

		// set rewards received
		if (setId > 0) {
			setUint(setId, claimed);
		}

		emit VaultClaim(address(vault.target()), claimed);

		uint256 _claimed = IERC20(distToken).balanceOf(address(this)).sub(
			initialBal
		);

		if (_claimed > 0) {
			emit Claim(distToken, _claimed);
		}
	}
}

contract VaultLogic is VaultResolver {
	receive() external payable {}
}

// 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'
        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
            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;
        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");

        (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");

        (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");

        (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");

        (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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler
 * now has built in overflow checking.
 */
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) {
        unchecked {
            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) {
        unchecked {
            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) {
        unchecked {
            // 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) {
        unchecked {
            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) {
        unchecked {
            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) {
        return a + b;
    }

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

    /**
     * @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.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        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) {
        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) {
        unchecked {
            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.
     *
     * 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) {
        unchecked {
            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) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IDistribution {
	function stake(address user, uint256 redeemTokens) external;

	function withdraw(address user, uint256 redeemAmount) external;

	function getReward(address user) external;

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

	function rewardsToken() external view returns (address);

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

	function rewardPerToken() external view returns (uint256);

	function rewardRate() external view returns (uint256);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IFeeManager {
	function MAX_FEE() external view returns (uint256);

	function getVaultFee(address _vault) external view returns (uint256);

	function setVaultFee(address _vault, uint256 _fee) external;

	function getLendingFee(address _asset) external view returns (uint256);

	function setLendingFee(address _asset, uint256 _fee) external;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IMemory {
	function getUint(uint256) external view returns (uint256);

	function setUint(uint256 id, uint256 value) external;

	function getAToken(address asset) external view returns (address);

	function setAToken(address asset, address _aToken) external;

	function getCrToken(address asset) external view returns (address);

	function setCrToken(address asset, address _crToken) external;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @title RegistryInterface Interface
 */
interface IRegistry {
	function logic(address logicAddr) external view returns (bool);

	function implementation(bytes32 key) external view returns (address);

	function notAllowed(address erc20) external view returns (bool);

	function deployWallet() external returns (address);

	function wallets(address user) external view returns (address);

	function getFee() external view returns (uint256);

	function getFeeManager() external view returns (address);

	function feeRecipient() external view returns (address);

	function memoryAddr() external view returns (address);

	function distributionContract(address token)
		external
		view
		returns (address);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

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

interface IERC20Detailed is IERC20 {
	function decimals() external view returns (uint8);
}

interface IVault {
	function totalSupply() external view returns (uint256);

	function harvest() external returns (uint256);

	function distribute(uint256 amount) external;

	function rewards() external view returns (IERC20);

	function underlying() external view returns (IERC20Detailed);

	function target() external view returns (IERC20);

	function harvester() external view returns (address);

	function owner() external view returns (address);

	function distribution() external view returns (address);

	function strat() external view returns (address);

	function timelock() external view returns (address payable);

	function claimOnBehalf(address recipient) external;

	function lastDistribution() external view returns (uint256);

	function performanceFee() external view returns (uint256);

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

	function totalYield() external returns (uint256);

	function calcTotalValue() external view returns (uint256);

	function deposit(uint256 amount) external;

	function depositAndWait(uint256 amount) external;

	function withdraw(uint256 amount) external;

	function withdrawPending(uint256 amount) external;

	function changePerformanceFee(uint256 fee) external;

	function claim() external returns (uint256 claimed);

	function unclaimedProfit(address user) external view returns (uint256);

	function pending(address user) external view returns (uint256);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IWallet {
	event LogMint(address indexed erc20, uint256 tokenAmt);
	event LogRedeem(address indexed erc20, uint256 tokenAmt);
	event LogBorrow(address indexed erc20, uint256 tokenAmt);
	event LogPayback(address indexed erc20, uint256 tokenAmt);
	event LogDeposit(address indexed erc20, uint256 tokenAmt);
	event LogWithdraw(address indexed erc20, uint256 tokenAmt);
	event LogSwap(address indexed src, address indexed dest, uint256 amount);
	event LogLiquidityAdd(
		address indexed tokenA,
		address indexed tokenB,
		uint256 amountA,
		uint256 amountB
	);
	event LogLiquidityRemove(
		address indexed tokenA,
		address indexed tokenB,
		uint256 amountA,
		uint256 amountB
	);
	event VaultDeposit(address indexed erc20, uint256 tokenAmt);
	event VaultWithdraw(address indexed erc20, uint256 tokenAmt);
	event VaultClaim(address indexed erc20, uint256 tokenAmt);
	event DelegateAdded(address delegate);
	event DelegateRemoved(address delegate);
	event Claim(address indexed erc20, uint256 tokenAmt);

	function executeMetaTransaction(bytes memory sign, bytes memory data)
		external;

	function execute(address[] calldata targets, bytes[] calldata datas)
		external
		payable;

	function owner() external view returns (address);

	function registry() external view returns (address);

	function DELEGATE_ROLE() external view returns (bytes32);

	function hasRole(bytes32, address) external view returns (bool);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

library UniversalERC20 {
	using SafeMath for uint256;
	using SafeERC20 for IERC20;

	IERC20 private constant ZERO_ADDRESS =
		IERC20(0x0000000000000000000000000000000000000000);
	IERC20 private constant ETH_ADDRESS =
		IERC20(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

	function universalTransfer(
		IERC20 token,
		address to,
		uint256 amount
	) internal returns (bool success) {
		if (amount == 0) {
			return true;
		}

		if (isETH(token)) {
			payable(to).transfer(amount);
		} else {
			token.safeTransfer(to, amount);
			return true;
		}
	}

	function universalTransferFrom(
		IERC20 token,
		address from,
		address to,
		uint256 amount
	) internal {
		if (amount == 0) {
			return;
		}

		if (isETH(token)) {
			require(
				from == msg.sender && msg.value >= amount,
				"Wrong useage of ETH.universalTransferFrom()"
			);
			if (to != address(this)) {
				payable(to).transfer(amount);
			}
			if (msg.value > amount) {
				payable(msg.sender).transfer(msg.value.sub(amount));
			}
		} else {
			token.safeTransferFrom(from, to, amount);
		}
	}

	function universalTransferFromSenderToThis(IERC20 token, uint256 amount)
		internal
	{
		if (amount == 0) {
			return;
		}

		if (isETH(token)) {
			if (msg.value > amount) {
				// Return remainder if exist
				payable(msg.sender).transfer(msg.value.sub(amount));
			}
		} else {
			token.safeTransferFrom(msg.sender, address(this), amount);
		}
	}

	function universalApprove(
		IERC20 token,
		address to,
		uint256 amount
	) internal {
		if (!isETH(token)) {
			if (amount == 0) {
				token.safeApprove(to, 0);
				return;
			}

			uint256 allowance = token.allowance(address(this), to);
			if (allowance < amount) {
				if (allowance > 0) {
					token.safeApprove(to, 0);
				}
				token.safeApprove(to, amount);
			}
		}
	}

	function universalBalanceOf(IERC20 token, address who)
		internal
		view
		returns (uint256)
	{
		if (isETH(token)) {
			return who.balance;
		} else {
			return token.balanceOf(who);
		}
	}

	function universalDecimals(IERC20 token) internal view returns (uint256) {
		if (isETH(token)) {
			return 18;
		}

		(bool success, bytes memory data) =
			address(token).staticcall{gas: 10000}(
				abi.encodeWithSignature("decimals()")
			);
		if (!success || data.length == 0) {
			(success, data) = address(token).staticcall{gas: 10000}(
				abi.encodeWithSignature("DECIMALS()")
			);
		}

		return (success && data.length > 0) ? abi.decode(data, (uint256)) : 18;
	}

	function isETH(IERC20 token) internal pure returns (bool) {
		return (address(token) == address(ZERO_ADDRESS) ||
			address(token) == address(ETH_ADDRESS));
	}
}

//SPDX-License-Identifier: MIT
pragma solidity 0.8.4;

import "../interfaces/IMemory.sol";
import "../interfaces/IRegistry.sol";
import "../interfaces/IWallet.sol";
import "../interfaces/IFeeManager.sol";

contract Helpers {
	/**
	 * @dev Return Memory Variable Address
	 */
	function getMemoryAddr() public view returns (address) {
		return IRegistry(IWallet(address(this)).registry()).memoryAddr();
	}

	/**
	 * @dev Return Lending fee and recipient
	 */
	function getLendingFee(address erc20)
		public
		view
		returns (
			uint256 fee,
			uint256 maxFee,
			address recipient
		)
	{
		IRegistry registry = IRegistry(IWallet(address(this)).registry());
		IFeeManager feeManager = IFeeManager(registry.getFeeManager());

		fee = feeManager.getLendingFee(erc20);
		maxFee = feeManager.MAX_FEE();
		recipient = registry.feeRecipient();
	}

	/**
	 * @dev Return Vault fee and recipient
	 */
	function getVaultFee(address vault)
		public
		view
		returns (
			uint256 fee,
			uint256 maxFee,
			address recipient
		)
	{
		IRegistry registry = IRegistry(IWallet(address(this)).registry());
		IFeeManager feeManager = IFeeManager(registry.getFeeManager());

		fee = feeManager.getVaultFee(vault);
		maxFee = feeManager.MAX_FEE();
		recipient = registry.feeRecipient();
	}

	/**
	 * @dev Get Uint value from Memory Contract.
	 */
	function getUint(uint256 id) internal view returns (uint256) {
		return IMemory(getMemoryAddr()).getUint(id);
	}

	/**
	 * @dev Set Uint value in Memory Contract.
	 */
	function setUint(uint256 id, uint256 val) internal {
		IMemory(getMemoryAddr()).setUint(id, val);
	}

	/**
	 * @dev Get aToken address from Memory Contract.
	 */
	function getAToken(address asset) internal view returns (address) {
		return IMemory(getMemoryAddr()).getAToken(asset);
	}

	/**
	 * @dev Get crToken address from Memory Contract.
	 */
	function getCrToken(address asset) internal view returns (address) {
		return IMemory(getMemoryAddr()).getCrToken(asset);
	}
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"erc20","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmt","type":"uint256"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"erc20","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmt","type":"uint256"}],"name":"VaultClaim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"erc20","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmt","type":"uint256"}],"name":"VaultDeposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"erc20","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenAmt","type":"uint256"}],"name":"VaultWithdraw","type":"event"},{"inputs":[{"internalType":"contract IVault","name":"vault","type":"address"},{"internalType":"uint256","name":"setId","type":"uint256"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IVault","name":"vault","type":"address"},{"internalType":"uint256","name":"tokenAmt","type":"uint256"},{"internalType":"uint256","name":"getId","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"erc20","type":"address"}],"name":"getLendingFee","outputs":[{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"maxFee","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMemoryAddr","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"vault","type":"address"}],"name":"getVaultFee","outputs":[{"internalType":"uint256","name":"fee","type":"uint256"},{"internalType":"uint256","name":"maxFee","type":"uint256"},{"internalType":"address","name":"recipient","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IVault","name":"vault","type":"address"},{"internalType":"uint256","name":"tokenAmt","type":"uint256"},{"internalType":"uint256","name":"getId","type":"uint256"},{"internalType":"uint256","name":"setId","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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