Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity 0.7.6;

import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/SafeERC20Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/math/SafeMathUpgradeable.sol";

// This contract handles swapping to and from xDVD, DAOventures's vip token
contract xDVD is ERC20Upgradeable {
    using SafeMathUpgradeable for uint256;
    using SafeERC20Upgradeable for IERC20Upgradeable;

    struct User {
        uint256 tier;
        uint256 amountDeposited;
    }

    IERC20Upgradeable public dvd;

    uint256[] public tierAmount;
    mapping(address => User) user;

    event Deposit(address indexed user, uint256 DVDAmount, uint256 xDVDAmount);
    event Withdraw(address indexed user, uint256 DVDAmount, uint256 xDVDAmount);

    //Define the DVD token contract
    function initialize(address _dvd, string memory _name, string memory _symbol, uint[] memory _tierAmounts) external initializer {
        __ERC20_init(_name, _symbol);
        dvd = IERC20Upgradeable(_dvd);
        tierAmount = _tierAmounts; 
    }

    // Pay some DVDs. Earn some shares. Locks DVD and mints xDVD
    function deposit(uint256 _amount) public {
        // Gets the amount of DVD locked in the contract
        uint256 totalDVD = dvd.balanceOf(address(this));
        // Gets the amount of xDVD in existence
        uint256 totalShares = totalSupply();
        uint256 what;
        // If no xDVD exists, mint it 1:1 to the amount put in
        if (totalShares == 0) {
            what = _amount;
            _mint(msg.sender, _amount);
        }
        // Calculate and mint the amount of xDVD the DVD is worth. The ratio will change overtime
        else {
            what = _amount.mul(totalShares).div(totalDVD);
            _mint(msg.sender, what);
        }
        // Lock the DVD in the contract
        dvd.safeTransferFrom(msg.sender, address(this), _amount);

        user[msg.sender].amountDeposited = user[msg.sender].amountDeposited.add(
            _amount
        );
        user[msg.sender].tier = calculateTier(user[msg.sender].amountDeposited);

        emit Deposit(msg.sender, _amount, what);
    }

    // Claim back your DVDs. Unclocks the staked + gained DVD and burns xDVD
    function withdraw(uint256 _share) public {
        // Gets the amount of xDVD in existence
        uint256 totalShares = totalSupply();
        // Calculates the amount of DVD the xDVD is worth
        uint256 what = _share.mul(dvd.balanceOf(address(this))).div(
            totalShares
        );

        uint256 _depositedAmount = user[msg.sender]
        .amountDeposited
        .mul(_share)
        .div(balanceOf(msg.sender));

        
        user[msg.sender].amountDeposited = user[msg.sender]
            .amountDeposited
            .sub(_depositedAmount);
            
        user[msg.sender].tier = calculateTier(
                user[msg.sender].amountDeposited
            );
        

        _burn(msg.sender, _share);
        dvd.safeTransfer(msg.sender, what);

        emit Withdraw(msg.sender, what, _share);
    }

    function calculateTier(uint256 _depositedAmount)
        internal
        view
        returns (uint256)
    {   
        if (_depositedAmount == 0){
            return 0; //no tier bonus
        } else if (_depositedAmount <= tierAmount[0]) {
            //less than or equal to 1000
            return 1;
        } else if (_depositedAmount <= tierAmount[1]) {
            //less than or equal to 10_000
            return 2;
        } else if (_depositedAmount <= tierAmount[2]) {
            //less than or equal to 50_000
            return 3;
        } else if (_depositedAmount <= tierAmount[3]) {
            //less than or equal to 100_000
            return 4;
        } else {
            return 5;
        }
    }

    function getTier(address _addr)
        public
        view
        returns (uint256 _tier, uint256 _depositedAmount)
    {
        _tier = user[_addr].tier;
        _depositedAmount = user[_addr].amountDeposited;
    }

    uint256[47] private __gap;
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @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 "../../utils/ContextUpgradeable.sol";
import "./IERC20Upgradeable.sol";
import "../../math/SafeMathUpgradeable.sol";
import "../../proxy/Initializable.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 ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable {
    using SafeMathUpgradeable 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.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal initializer {
        __Context_init_unchained();
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal initializer {
        _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 { }
    uint256[44] private __gap;
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20Upgradeable.sol";
import "../../math/SafeMathUpgradeable.sol";
import "../../utils/AddressUpgradeable.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 SafeERC20Upgradeable {
    using SafeMathUpgradeable for uint256;
    using AddressUpgradeable for address;

    function safeTransfer(IERC20Upgradeable token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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(IERC20Upgradeable 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 >=0.6.0 <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 SafeMathUpgradeable {
    /**
     * @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 "../proxy/Initializable.sol";

/*
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal initializer {
        __Context_init_unchained();
    }

    function __Context_init_unchained() internal initializer {
    }
    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;
    }
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT

// solhint-disable-next-line compiler-version
pragma solidity >=0.4.24 <0.8.0;

import "../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {UpgradeableProxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 */
abstract contract Initializable {

    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        require(_initializing || _isConstructor() || !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }

    /// @dev Returns true if and only if the function is running in the constructor
    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @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);
    }

    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);
            }
        }
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"DVDAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"xDVDAmount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"DVDAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"xDVDAmount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"dvd","outputs":[{"internalType":"contract IERC20Upgradeable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"getTier","outputs":[{"internalType":"uint256","name":"_tier","type":"uint256"},{"internalType":"uint256","name":"_depositedAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_dvd","type":"address"},{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint256[]","name":"_tierAmounts","type":"uint256[]"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tierAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_share","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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