Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

interface IERC20    - function totalSupply()    - function balanceOf(address account)    - function transfer(address recipient, ...    - function allowance(address owner, add ...    - function approve(address spender, uin ...    - function transferFrom(address sender, ...    - function _msgSender()    - function _msgData() library SafeMath    - function add(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b, st ...    - function mul(uint256 a, uint256 b)    - function div(uint256 a, uint256 b)    - function div(uint256 a, uint256 b, st ...    - function mod(uint256 a, uint256 b)    - function mod(uint256 a, uint256 b, st ... library Address    - function isContract(address account)    - function sendValue(address payable re ...    - function functionCall(address target, ...    - function functionCall(address target, ...    - function functionCallWithValue(addres ...    - function functionCallWithValue(addres ...    - function _functionCallWithValue(addre ...  contract ERC20 is Context, IERC20    - function name()    - function symbol()    - function decimals()    - function totalSupply()    - function balanceOf(address account)    - function transfer(address recipient, ...    - function allowance(address owner, add ...    - function approve(address spender, uin ...    - function transferFrom(address sender, ...    - function increaseAllowance(address sp ...    - function decreaseAllowance(address sp ...    - function _transfer(address sender, ad ...    - function _mint(address account, uint2 ...    - function _burn(address account, uint2 ...    - function _approve(address owner, addr ...    - function _setupDecimals(uint8 decimal ...    - function _beforeTokenTransfer(address ...  contract Standard is ERC20(&qu ... *    - function enter(uint256 _amount)    - function leave(uint256 _share)

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-01-13
*/

// SPDX-License-Identifier: MIT


// File: @openzeppelin/contracts/token/ERC20/IERC20.sol



pragma solidity ^0.6.0;

/**
 * @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);
}

// File: @openzeppelin/contracts/GSN/Context.sol



pragma solidity ^0.6.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
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;
    }
}

// File: @openzeppelin/contracts/math/SafeMath.sol



pragma solidity ^0.6.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

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

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

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

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



pragma solidity ^0.6.2;

/**
 * @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) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

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

// File: @openzeppelin/contracts/token/ERC20/ERC20.sol



pragma solidity ^0.6.0;





/**
 * @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;
    using Address for address;

    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 returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view 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 returns (uint8) {
        return _decimals;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view 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 is 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 {
        _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 { }
}


pragma solidity 0.6.12;





contract Standard is ERC20("Standard", "xMARK"){
    using SafeMath for uint256;
    IERC20 public mark;

    constructor(IERC20 _mark) public {
        mark = _mark;
        _setupDecimals(9);
    }

    function enter(uint256 _amount) public {
        uint256 totalMark = mark.balanceOf(address(this));
        uint256 totalShares = totalSupply();
        if (totalShares == 0 || totalMark == 0) {
            _mint(msg.sender, _amount);
        } else {
            uint256 what = _amount.mul(totalShares).div(totalMark);
            _mint(msg.sender, what);
        }
        mark.transferFrom(msg.sender, address(this), _amount);
    }

    function leave(uint256 _share) public {
        uint256 totalShares = totalSupply();
        uint256 what = _share.mul(mark.balanceOf(address(this))).div(totalShares);
        _burn(msg.sender, _share);
        mark.transfer(msg.sender, what);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"_mark","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","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":"enter","outputs":[],"stateMutability":"nonpayable","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":"uint256","name":"_share","type":"uint256"}],"name":"leave","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mark","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","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":[],"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"}]

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

00000000000000000000000067c597624b17b16fb77959217360b7cd18284253

-----Decoded View---------------
Arg [0] : _mark (address): 0x67c597624B17b16fb77959217360B7cD18284253

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000067c597624b17b16fb77959217360b7cd18284253

26493:924:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17639:83;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;19745:169;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;18714:100;;;:::i;:::-;;;;;;;;;;;;;;;;;;;20388:321;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;18566:83;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;21118:218;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;27160:254;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;18877:119;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;26580:18;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;17841:87;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21839:269;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;26707:445;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;19209:175;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;19447:151;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;17639:83;17676:13;17709:5;17702:12;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17639:83;:::o;19745:169::-;19828:4;19845:39;19854:12;:10;:12::i;:::-;19868:7;19877:6;19845:8;:39::i;:::-;19902:4;19895:11;;19745:169;;;;:::o;18714:100::-;18767:7;18794:12;;18787:19;;18714:100;:::o;20388:321::-;20494:4;20511:36;20521:6;20529:9;20540:6;20511:9;:36::i;:::-;20558:121;20567:6;20575:12;:10;:12::i;:::-;20589:89;20627:6;20589:89;;;;;;;;;;;;;;;;;:11;:19;20601:6;20589:19;;;;;;;;;;;;;;;:33;20609:12;:10;:12::i;:::-;20589:33;;;;;;;;;;;;;;;;:37;;:89;;;;;:::i;:::-;20558:8;:121::i;:::-;20697:4;20690:11;;20388:321;;;;;:::o;18566:83::-;18607:5;18632:9;;;;;;;;;;;18625:16;;18566:83;:::o;21118:218::-;21206:4;21223:83;21232:12;:10;:12::i;:::-;21246:7;21255:50;21294:10;21255:11;:25;21267:12;:10;:12::i;:::-;21255:25;;;;;;;;;;;;;;;:34;21281:7;21255:34;;;;;;;;;;;;;;;;:38;;:50;;;;:::i;:::-;21223:8;:83::i;:::-;21324:4;21317:11;;21118:218;;;;:::o;27160:254::-;27209:19;27231:13;:11;:13::i;:::-;27209:35;;27255:12;27270:58;27316:11;27270:41;27281:4;;;;;;;;;;;:14;;;27304:4;27281:29;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27270:6;:10;;:41;;;;:::i;:::-;:45;;:58;;;;:::i;:::-;27255:73;;27339:25;27345:10;27357:6;27339:5;:25::i;:::-;27375:4;;;;;;;;;;;:13;;;27389:10;27401:4;27375:31;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27160:254;;;:::o;18877:119::-;18943:7;18970:9;:18;18980:7;18970:18;;;;;;;;;;;;;;;;18963:25;;18877:119;;;:::o;26580:18::-;;;;;;;;;;;;;:::o;17841:87::-;17880:13;17913:7;17906:14;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;17841:87;:::o;21839:269::-;21932:4;21949:129;21958:12;:10;:12::i;:::-;21972:7;21981:96;22020:15;21981:96;;;;;;;;;;;;;;;;;:11;:25;21993:12;:10;:12::i;:::-;21981:25;;;;;;;;;;;;;;;:34;22007:7;21981:34;;;;;;;;;;;;;;;;:38;;:96;;;;;:::i;:::-;21949:8;:129::i;:::-;22096:4;22089:11;;21839:269;;;;:::o;26707:445::-;26757:17;26777:4;;;;;;;;;;;:14;;;26800:4;26777:29;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;26757:49;;26817:19;26839:13;:11;:13::i;:::-;26817:35;;26882:1;26867:11;:16;:34;;;;26900:1;26887:9;:14;26867:34;26863:218;;;26918:26;26924:10;26936:7;26918:5;:26::i;:::-;26863:218;;;26977:12;26992:39;27021:9;26992:24;27004:11;26992:7;:11;;:24;;;;:::i;:::-;:28;;:39;;;;:::i;:::-;26977:54;;27046:23;27052:10;27064:4;27046:5;:23::i;:::-;26863:218;;27091:4;;;;;;;;;;;:17;;;27109:10;27129:4;27136:7;27091:53;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;26707:445;;;:::o;19209:175::-;19295:4;19312:42;19322:12;:10;:12::i;:::-;19336:9;19347:6;19312:9;:42::i;:::-;19372:4;19365:11;;19209:175;;;;:::o;19447:151::-;19536:7;19563:11;:18;19575:5;19563:18;;;;;;;;;;;;;;;:27;19582:7;19563:27;;;;;;;;;;;;;;;;19556:34;;19447:151;;;;:::o;3466:106::-;3519:15;3554:10;3547:17;;3466:106;:::o;24986:346::-;25105:1;25088:19;;:5;:19;;;;25080:68;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;25186:1;25167:21;;:7;:21;;;;25159:68;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;25270:6;25240:11;:18;25252:5;25240:18;;;;;;;;;;;;;;;:27;25259:7;25240:27;;;;;;;;;;;;;;;:36;;;;25308:7;25292:32;;25301:5;25292:32;;;25317:6;25292:32;;;;;;;;;;;;;;;;;;24986:346;;;:::o;22598:539::-;22722:1;22704:20;;:6;:20;;;;22696:70;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;22806:1;22785:23;;:9;:23;;;;22777:71;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;22861:47;22882:6;22890:9;22901:6;22861:20;:47::i;:::-;22941:71;22963:6;22941:71;;;;;;;;;;;;;;;;;:9;:17;22951:6;22941:17;;;;;;;;;;;;;;;;:21;;:71;;;;;:::i;:::-;22921:9;:17;22931:6;22921:17;;;;;;;;;;;;;;;:91;;;;23046:32;23071:6;23046:9;:20;23056:9;23046:20;;;;;;;;;;;;;;;;:24;;:32;;;;:::i;:::-;23023:9;:20;23033:9;23023:20;;;;;;;;;;;;;;;:55;;;;23111:9;23094:35;;23103:6;23094:35;;;23122:6;23094:35;;;;;;;;;;;;;;;;;;22598:539;;;:::o;5648:192::-;5734:7;5767:1;5762;:6;;5770:12;5754:29;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5794:9;5810:1;5806;:5;5794:17;;5831:1;5824:8;;;5648:192;;;;;:::o;4745:181::-;4803:7;4823:9;4839:1;4835;:5;4823:17;;4864:1;4859;:6;;4851:46;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;4917:1;4910:8;;;4745:181;;;;:::o;6099:471::-;6157:7;6407:1;6402;:6;6398:47;;;6432:1;6425:8;;;;6398:47;6457:9;6473:1;6469;:5;6457:17;;6502:1;6497;6493;:5;;;;;;:10;6485:56;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6561:1;6554:8;;;6099:471;;;;;:::o;7046:132::-;7104:7;7131:39;7135:1;7138;7131:39;;;;;;;;;;;;;;;;;:3;:39::i;:::-;7124:46;;7046:132;;;;:::o;24128:418::-;24231:1;24212:21;;:7;:21;;;;24204:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;24284:49;24305:7;24322:1;24326:6;24284:20;:49::i;:::-;24367:68;24390:6;24367:68;;;;;;;;;;;;;;;;;:9;:18;24377:7;24367:18;;;;;;;;;;;;;;;;:22;;:68;;;;;:::i;:::-;24346:9;:18;24356:7;24346:18;;;;;;;;;;;;;;;:89;;;;24461:24;24478:6;24461:12;;:16;;:24;;;;:::i;:::-;24446:12;:39;;;;24527:1;24501:37;;24510:7;24501:37;;;24531:6;24501:37;;;;;;;;;;;;;;;;;;24128:418;;:::o;23418:378::-;23521:1;23502:21;;:7;:21;;;;23494:65;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23572:49;23601:1;23605:7;23614:6;23572:20;:49::i;:::-;23649:24;23666:6;23649:12;;:16;;:24;;;;:::i;:::-;23634:12;:39;;;;23705:30;23728:6;23705:9;:18;23715:7;23705:18;;;;;;;;;;;;;;;;:22;;:30;;;;:::i;:::-;23684:9;:18;23694:7;23684:18;;;;;;;;;;;;;;;:51;;;;23772:7;23751:37;;23768:1;23751:37;;;23781:6;23751:37;;;;;;;;;;;;;;;;;;23418:378;;:::o;26357:92::-;;;;:::o;7674:278::-;7760:7;7792:1;7788;:5;7795:12;7780:28;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7819:9;7835:1;7831;:5;;;;;;7819:17;;7943:1;7936:8;;;7674:278;;;;;:::o;5209:136::-;5267:7;5294:43;5298:1;5301;5294:43;;;;;;;;;;;;;;;;;:3;:43::i;:::-;5287:50;;5209:136;;;;:::o

ipfs://feda661dfe0aca705dd8b184b76cab1c74e802d04aa74adb546fcd741eff4f43