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, ... 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 ... library SafeERC20    - function safeTransfer(IERC20 token, a ...    - function safeTransferFrom(IERC20 toke ...    - function safeApprove(IERC20 token, ad ...    - function safeIncreaseAllowance(IERC20 ...    - function safeDecreaseAllowance(IERC20 ...    - function _callOptionalReturn(IERC20 t ...    - function _msgSender()    - function _msgData()  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 IchiStake is ERC20(&q ... *    - function enter(uint256 _amount)    - function leave(uint256 _share)

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2020-11-15
*/

// 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/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) {
        // This method relies in 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");
        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/SafeERC20.sol

pragma solidity ^0.6.0;




/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

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

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

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

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

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

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

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

// 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/token/ERC20/ERC20.sol

// SPDX-License-Identifier: MIT

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 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 { }
}

// File: contracts/ichiStake.sol

pragma solidity 0.6.12;




// stake ICHI to earn more ICHI (from trading fees)
// This contract handles swapping to and from xIchi, IchiSwap's staking token.
contract IchiStake is ERC20("IchiStake", "xICHI") {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;
    address public Ichi;

    uint256 private constant DECIMALS = 9;

    // Define the Ichi token contract
    constructor(address _Ichi) public {
        _setupDecimals(uint8(DECIMALS));
        Ichi = _Ichi;
    }

    // Locks Ichi and mints xIchi (shares)
    function enter(uint256 _amount) public {
        uint256 totalIchiLocked = IERC20(Ichi).balanceOf(address(this));
        uint256 totalShares = totalSupply(); // Gets the amount of xIchi in existence
        
        if (totalShares == 0 || totalIchiLocked == 0) { // If no xIchi exists, mint it 1:1 to the amount put in
            _mint(msg.sender, _amount);
        } else {
            uint256 xIchiAmount = _amount.mul(totalShares).div(totalIchiLocked);
            _mint(msg.sender, xIchiAmount);
        }
        // Lock the Ichi in the contract
        IERC20(Ichi).transferFrom(msg.sender, address(this), _amount);
    }

    // claim ICHI by burning xIchi
    function leave(uint256 _share) public {
        uint256 totalShares = totalSupply(); // Gets the amount of xIchi in existence

        uint256 ichiAmount = _share.mul(IERC20(Ichi).balanceOf(address(this))).div(totalShares);
        _burn(msg.sender, _share);
        IERC20(Ichi).transfer(msg.sender, ichiAmount);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_Ichi","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":[],"name":"Ichi","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"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":"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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

000000000000000000000000903bef1736cddf2a537176cf3c64579c3867a881

-----Decoded View---------------
Arg [0] : _Ichi (address): 0x903bEF1736CDdf2A537176cf3C64579C3867A881

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000903bef1736cddf2a537176cf3c64579c3867a881

30164:1409:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21147:83;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23253:169;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;23253:169:0;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;22222:100;;;:::i;:::-;;;;;;;;;;;;;;;;23896:321;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;23896:321:0;;;;;;;;;;;;;;;;;:::i;22074:83::-;;;:::i;:::-;;;;;;;;;;;;;;;;;;;24626:218;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;24626:218:0;;;;;;;;:::i;31245:325::-;;;;;;;;;;;;;;;;-1:-1:-1;31245:325:0;;:::i;:::-;;22385:119;;;;;;;;;;;;;;;;-1:-1:-1;22385:119:0;-1:-1:-1;;;;;22385:119:0;;:::i;30287:19::-;;;:::i;:::-;;;;-1:-1:-1;;;;;30287:19:0;;;;;;;;;;;;;;21349:87;;;:::i;25347:269::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;25347:269:0;;;;;;;;:::i;30559:642::-;;;;;;;;;;;;;;;;-1:-1:-1;30559:642:0;;:::i;22717:175::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;22717:175:0;;;;;;;;:::i;22955:151::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;22955:151:0;;;;;;;;;;:::i;21147:83::-;21217:5;21210:12;;;;;;;;-1:-1:-1;;21210:12:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21184:13;;21210:12;;21217:5;;21210:12;;21217:5;21210:12;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21147:83;:::o;23253:169::-;23336:4;23353:39;23362:12;:10;:12::i;:::-;23376:7;23385:6;23353:8;:39::i;:::-;-1:-1:-1;23410:4:0;23253:169;;;;;:::o;22222:100::-;22302:12;;22222:100;:::o;23896:321::-;24002:4;24019:36;24029:6;24037:9;24048:6;24019:9;:36::i;:::-;24066:121;24075:6;24083:12;:10;:12::i;:::-;24097:89;24135:6;24097:89;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;24097:19:0;;;;;;:11;:19;;;;;;24117:12;:10;:12::i;:::-;-1:-1:-1;;;;;24097:33:0;;;;;;;;;;;;-1:-1:-1;24097:33:0;;;:89;:37;:89::i;:::-;24066:8;:121::i;:::-;-1:-1:-1;24205:4:0;23896:321;;;;;:::o;22074:83::-;22140:9;;;;22074:83;:::o;24626:218::-;24714:4;24731:83;24740:12;:10;:12::i;:::-;24754:7;24763:50;24802:10;24763:11;:25;24775:12;:10;:12::i;:::-;-1:-1:-1;;;;;24763:25:0;;;;;;;;;;;;;;;;;-1:-1:-1;24763:25:0;;;:34;;;;;;;;;;;:38;:50::i;31245:325::-;31294:19;31316:13;:11;:13::i;:::-;31294:35;;31383:18;31404:66;31458:11;31404:49;31422:4;;;;;;;;;-1:-1:-1;;;;;31422:4:0;-1:-1:-1;;;;;31415:22:0;;31446:4;31415:37;;;;;;;;;;;;;-1:-1:-1;;;;;31415:37:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;31415:37:0;31404:6;;:10;:49::i;:::-;:53;;:66::i;:::-;31383:87;;31481:25;31487:10;31499:6;31481:5;:25::i;:::-;31524:4;;31517:45;;;-1:-1:-1;;;31517:45:0;;31539:10;31517:45;;;;;;;;;;;;31524:4;;;;-1:-1:-1;;;;;31524:4:0;;31517:21;;:45;;;;;;;;;;;;;;;-1:-1:-1;31524:4:0;31517:45;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;31245:325:0:o;22385:119::-;-1:-1:-1;;;;;22478:18:0;22451:7;22478:18;;;;;;;;;;;;22385:119::o;30287:19::-;;;;;;-1:-1:-1;;;;;30287:19:0;;:::o;21349:87::-;21421:7;21414:14;;;;;;;;-1:-1:-1;;21414:14:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21388:13;;21414:14;;21421:7;;21414:14;;21421:7;21414:14;;;;;;;;;;;;;;;;;;;;;;;;25347:269;25440:4;25457:129;25466:12;:10;:12::i;:::-;25480:7;25489:96;25528:15;25489:96;;;;;;;;;;;;;;;;;:11;:25;25501:12;:10;:12::i;:::-;-1:-1:-1;;;;;25489:25:0;;;;;;;;;;;;;;;;;-1:-1:-1;25489:25:0;;;:34;;;;;;;;;;;:96;:38;:96::i;30559:642::-;30642:4;;30635:37;;;-1:-1:-1;;;30635:37:0;;30666:4;30635:37;;;;;;-1:-1:-1;;30642:4:0;;;-1:-1:-1;;;;;30642:4:0;;30635:22;;:37;;;;;;;;;;;;;;30642:4;30635:37;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;30635:37:0;;-1:-1:-1;30683:19:0;30705:13;:11;:13::i;:::-;30683:35;-1:-1:-1;30784:16:0;;;:40;;-1:-1:-1;30804:20:0;;30784:40;30780:300;;;30897:26;30903:10;30915:7;30897:5;:26::i;:::-;30780:300;;;30956:19;30978:45;31007:15;30978:24;:7;30990:11;30978;:24::i;:45::-;30956:67;;31038:30;31044:10;31056:11;31038:5;:30::i;:::-;30780:300;;31139:4;;31132:61;;;-1:-1:-1;;;31132:61:0;;31158:10;31132:61;;;;31178:4;31132:61;;;;;;;;;;;;31139:4;;;;-1:-1:-1;;;;;31139:4:0;;31132:25;;:61;;;;;;;;;;;;;;;-1:-1:-1;31139:4:0;31132:61;;;;;;;;;;22717:175;22803:4;22820:42;22830:12;:10;:12::i;:::-;22844:9;22855:6;22820:9;:42::i;22955:151::-;-1:-1:-1;;;;;23071:18:0;;;23044:7;23071:18;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;22955:151::o;18572:106::-;18660:10;18572:106;:::o;28492:346::-;-1:-1:-1;;;;;28594:19:0;;28586:68;;;;-1:-1:-1;;;28586:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;28673:21:0;;28665:68;;;;-1:-1:-1;;;28665:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;28746:18:0;;;;;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;:36;;;28798:32;;;;;;;;;;;;;;;;;28492:346;;;:::o;26106:539::-;-1:-1:-1;;;;;26212:20:0;;26204:70;;;;-1:-1:-1;;;26204:70:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;26293:23:0;;26285:71;;;;-1:-1:-1;;;26285:71:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;26369:47;26390:6;26398:9;26409:6;26369:20;:47::i;:::-;26449:71;26471:6;26449:71;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;26449:17:0;;:9;:17;;;;;;;;;;;;:71;:21;:71::i;:::-;-1:-1:-1;;;;;26429:17:0;;;:9;:17;;;;;;;;;;;:91;;;;26554:20;;;;;;;:32;;26579:6;26554:24;:32::i;:::-;-1:-1:-1;;;;;26531:20:0;;;:9;:20;;;;;;;;;;;;:55;;;;26602:35;;;;;;;26531:20;;26602:35;;;;;;;;;;;;;26106:539;;;:::o;4623:192::-;4709:7;4745:12;4737:6;;;;4729:29;;;;-1:-1:-1;;;4729:29:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;4781:5:0;;;4623:192::o;3720:181::-;3778:7;3810:5;;;3834:6;;;;3826:46;;;;;-1:-1:-1;;;3826:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;3892:1;3720:181;-1:-1:-1;;;3720:181:0:o;5074:471::-;5132:7;5377:6;5373:47;;-1:-1:-1;5407:1:0;5400:8;;5373:47;5444:5;;;5448:1;5444;:5;:1;5468:5;;;;;:10;5460:56;;;;-1:-1:-1;;;5460:56:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6021:132;6079:7;6106:39;6110:1;6113;6106:39;;;;;;;;;;;;;;;;;:3;:39::i;27636:418::-;-1:-1:-1;;;;;27720:21:0;;27712:67;;;;-1:-1:-1;;;27712:67:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27792:49;27813:7;27830:1;27834:6;27792:20;:49::i;:::-;27875:68;27898:6;27875:68;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;27875:18:0;;:9;:18;;;;;;;;;;;;:68;:22;:68::i;:::-;-1:-1:-1;;;;;27854:18:0;;:9;:18;;;;;;;;;;:89;27969:12;;:24;;27986:6;27969:16;:24::i;:::-;27954:12;:39;28009:37;;;;;;;;28035:1;;-1:-1:-1;;;;;28009:37:0;;;;;;;;;;;;27636:418;;:::o;26926:378::-;-1:-1:-1;;;;;27010:21:0;;27002:65;;;;;-1:-1:-1;;;27002:65:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;27080:49;27109:1;27113:7;27122:6;27080:20;:49::i;:::-;27157:12;;:24;;27174:6;27157:16;:24::i;:::-;27142:12;:39;-1:-1:-1;;;;;27213:18:0;;:9;:18;;;;;;;;;;;:30;;27236:6;27213:22;:30::i;:::-;-1:-1:-1;;;;;27192:18:0;;:9;:18;;;;;;;;;;;:51;;;;27259:37;;;;;;;27192:18;;:9;;27259:37;;;;;;;;;;26926:378;;:::o;29863:92::-;;;;:::o;6649:278::-;6735:7;6770:12;6763:5;6755:28;;;;-1:-1:-1;;;6755:28:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6794:9;6810:1;6806;:5;;;;;;;6649:278;-1:-1:-1;;;;;6649:278:0:o;4184:136::-;4242:7;4269:43;4273:1;4276;4269:43;;;;;;;;;;;;;;;;;:3;:43::i

ipfs://2869d6a52a52281efe6aa6c861d7411a016d172fe3a67dcb326b8d5fe36e5645