Address io1zaujeysggmjhxncrde604tf5gmwd3am5uhxxw5

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

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

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

    uint256 private _status;

    constructor() internal {
        _status = _NOT_ENTERED;
    }

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

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

        _;

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

/*
 * @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;
    }
}

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b)
        internal
        pure
        returns (bool, uint256)
    {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b)
        internal
        pure
        returns (bool, uint256)
    {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b)
        internal
        pure
        returns (bool, uint256)
    {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b)
        internal
        pure
        returns (bool, uint256)
    {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b)
        internal
        pure
        returns (bool, uint256)
    {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

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

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

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

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
    );

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(
            newOwner != address(0),
            "Ownable: new owner is the zero address"
        );
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(
            address(this).balance >= amount,
            "Address: insufficient balance"
        );

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{value: amount}("");
        require(
            success,
            "Address: unable to send value, recipient may have reverted"
        );
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data)
        internal
        returns (bytes memory)
    {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return
            functionCallWithValue(
                target,
                data,
                value,
                "Address: low-level call with value failed"
            );
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(
            address(this).balance >= value,
            "Address: insufficient balance for call"
        );
        require(isContract(target), "Address: call to non-contract");

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data)
        internal
        view
        returns (bytes memory)
    {
        return
            functionStaticCall(
                target,
                data,
                "Address: low-level static call failed"
            );
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data)
        internal
        returns (bytes memory)
    {
        return
            functionDelegateCall(
                target,
                data,
                "Address: low-level delegate call failed"
            );
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

interface IBEP20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the token decimals.
     */
    function decimals() external view returns (uint8);

    /**
     * @dev Returns the token symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the token name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the bep token owner.
     */
    function getOwner() external view returns (address);

    /**
     * @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
    );
}

contract BEP20 is Context, IBEP20, Ownable {
    using SafeMath for uint256;
    using Address for address;

    mapping(address => uint256) private _balances;

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

    uint256 private _totalSupply;
    
    uint256 public maxTransactionSize;
    address public maxTransactionSizeOwner;

    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;
        maxTransactionSize = 0;
        maxTransactionSizeOwner = msg.sender;
    }

    /**
     * @dev Returns the bep token owner.
     */
    function getOwner() external view override returns (address) {
        return owner();
    }

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

    /**
     * @dev Returns the token decimals.
     */
    function decimals() public view override returns (uint8) {
        return _decimals;
    }

    /**
     * @dev Returns the token symbol.
     */
    function symbol() public view override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {BEP20-totalSupply}.
     */
    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {BEP20-balanceOf}.
     */
    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {BEP20-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
        override
        returns (bool)
    {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {BEP20-allowance}.
     */
    function allowance(address owner, address spender)
        public
        view
        override
        returns (uint256)
    {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {BEP20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount)
        public
        override
        returns (bool)
    {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {BEP20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {BEP20};
     *
     * 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 override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(
            sender,
            _msgSender(),
            _allowances[sender][_msgSender()].sub(
                amount,
                "BEP20: 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 {BEP20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue)
        public
        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 {BEP20-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
        returns (bool)
    {
        _approve(
            _msgSender(),
            spender,
            _allowances[_msgSender()][spender].sub(
                subtractedValue,
                "BEP20: decreased allowance below zero"
            )
        );
        return true;
    }

    /**
     * @dev Creates `amount` tokens and assigns them to `msg.sender`, increasing
     * the total supply.
     *
     * Requirements
     *
     * - `msg.sender` must be the token owner
     */
    function mint(uint256 amount) public onlyOwner returns (bool) {
        _mint(_msgSender(), amount);
        return true;
    }
    
    
    /**
     * @dev Sets the maxTransactionSize
     * 
     * This prevents users to buy and transfer before the dev allows it.
     * Can also prevent masive buys from bots.
     * The maxTransactionSize can only increase, so the dev can't block transaction.
     *
     * Requirements
     *
     * - `msg.sender` must be the token owner
     * - `maxTransactionSize` value must be higher than current value
     * - `msg.sender` must be the maxTransactionSizeOwner
     */
    function setMaxTransactionSize(uint256 _maxTransactionSize) public  {
        require(msg.sender == maxTransactionSizeOwner);
        require(_maxTransactionSize > maxTransactionSize, "New maxTransactionSize value must be higher than current value");
        maxTransactionSize = _maxTransactionSize;
    }
    
    
    /**
     * @dev renounces the maxTransactionSizeOwner
     * 
     * This sends the ownership of the maxTransactionSizeOwner to the zero address
     *
     * Requirements
     *
     * - `msg.sender` must be maxTransactionSizeOwner
     */
    function renounceMaxTransactionSizeOwner() public {
        require (msg.sender == maxTransactionSizeOwner);
        maxTransactionSizeOwner = address(0);
    }

    /**
     * @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`.
     * - `amount` must be lower than maxTransactionSize
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "BEP20: transfer from the zero address");
        require(recipient != address(0), "BEP20: transfer to the zero address");
        require(amount <= maxTransactionSize || sender == maxTransactionSizeOwner, "BEP20: transfer amount over maxTransactionSize");

        _balances[sender] = _balances[sender].sub(
            amount,
            "BEP20: 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 {
        require(account != address(0), "BEP20: mint to the zero address");

        _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 {
        require(account != address(0), "BEP20: burn from the zero address");

        _balances[account] = _balances[account].sub(
            amount,
            "BEP20: 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 {
        require(owner != address(0), "BEP20: approve from the zero address");
        require(spender != address(0), "BEP20: approve to the zero address");

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

    /**
     * @dev Destroys `amount` tokens from `account`.`amount` is then deducted
     * from the caller's allowance.
     *
     * See {_burn} and {_approve}.
     */
    function _burnFrom(address account, uint256 amount) internal {
        _burn(account, amount);
        _approve(
            account,
            _msgSender(),
            _allowances[account][_msgSender()].sub(
                amount,
                "BEP20: burn amount exceeds allowance"
            )
        );
    }
}

// CakeToken with Governance.
contract CakeToken is BEP20("Pancake of IoTeX", "CAKE") {
    /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).
    function mint(address _to, uint256 _amount) public onlyOwner {
        _mint(_to, _amount);
        _moveDelegates(address(0), _delegates[_to], _amount);
    }

    // Copied and modified from YAM code:
    // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernanceStorage.sol
    // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernance.sol
    // Which is copied and modified from COMPOUND:
    // https://github.com/compound-finance/compound-protocol/blob/master/contracts/Governance/Comp.sol

    mapping(address => address) internal _delegates;

    /// @notice A checkpoint for marking number of votes from a given block
    struct Checkpoint {
        uint32 fromBlock;
        uint256 votes;
    }

    /// @notice A record of votes checkpoints for each account, by index
    mapping(address => mapping(uint32 => Checkpoint)) public checkpoints;

    /// @notice The number of checkpoints for each account
    mapping(address => uint32) public numCheckpoints;

    /// @notice The EIP-712 typehash for the contract's domain
    bytes32 public constant DOMAIN_TYPEHASH =
        keccak256(
            "EIP712Domain(string name,uint256 chainId,address verifyingContract)"
        );

    /// @notice The EIP-712 typehash for the delegation struct used by the contract
    bytes32 public constant DELEGATION_TYPEHASH =
        keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");

    /// @notice A record of states for signing / validating signatures
    mapping(address => uint256) public nonces;

    /// @notice An event thats emitted when an account changes its delegate
    event DelegateChanged(
        address indexed delegator,
        address indexed fromDelegate,
        address indexed toDelegate
    );

    /// @notice An event thats emitted when a delegate account's vote balance changes
    event DelegateVotesChanged(
        address indexed delegate,
        uint256 previousBalance,
        uint256 newBalance
    );

    /**
     * @notice Delegate votes from `msg.sender` to `delegatee`
     * @param delegator The address to get delegatee for
     */
    function delegates(address delegator) external view returns (address) {
        return _delegates[delegator];
    }

    /**
     * @notice Delegate votes from `msg.sender` to `delegatee`
     * @param delegatee The address to delegate votes to
     */
    function delegate(address delegatee) external {
        return _delegate(msg.sender, delegatee);
    }

    /**
     * @notice Delegates votes from signatory to `delegatee`
     * @param delegatee The address to delegate votes to
     * @param nonce The contract state required to match the signature
     * @param expiry The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function delegateBySig(
        address delegatee,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external {
        bytes32 domainSeparator = keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes(name())),
                getChainId(),
                address(this)
            )
        );

        bytes32 structHash = keccak256(
            abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry)
        );

        bytes32 digest = keccak256(
            abi.encodePacked("\x19\x01", domainSeparator, structHash)
        );

        address signatory = ecrecover(digest, v, r, s);
        require(
            signatory != address(0),
            "CAKE::delegateBySig: invalid signature"
        );
        require(
            nonce == nonces[signatory]++,
            "CAKE::delegateBySig: invalid nonce"
        );
        require(now <= expiry, "CAKE::delegateBySig: signature expired");
        return _delegate(signatory, delegatee);
    }

    /**
     * @notice Gets the current votes balance for `account`
     * @param account The address to get votes balance
     * @return The number of current votes for `account`
     */
    function getCurrentVotes(address account) external view returns (uint256) {
        uint32 nCheckpoints = numCheckpoints[account];
        return
            nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
    }

    /**
     * @notice Determine the prior number of votes for an account as of a block number
     * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
     * @param account The address of the account to check
     * @param blockNumber The block number to get the vote balance at
     * @return The number of votes the account had as of the given block
     */
    function getPriorVotes(address account, uint256 blockNumber)
        external
        view
        returns (uint256)
    {
        require(
            blockNumber < block.number,
            "CAKE::getPriorVotes: not yet determined"
        );

        uint32 nCheckpoints = numCheckpoints[account];
        if (nCheckpoints == 0) {
            return 0;
        }

        // First check most recent balance
        if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
            return checkpoints[account][nCheckpoints - 1].votes;
        }

        // Next check implicit zero balance
        if (checkpoints[account][0].fromBlock > blockNumber) {
            return 0;
        }

        uint32 lower = 0;
        uint32 upper = nCheckpoints - 1;
        while (upper > lower) {
            uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
            Checkpoint memory cp = checkpoints[account][center];
            if (cp.fromBlock == blockNumber) {
                return cp.votes;
            } else if (cp.fromBlock < blockNumber) {
                lower = center;
            } else {
                upper = center - 1;
            }
        }
        return checkpoints[account][lower].votes;
    }

    function _delegate(address delegator, address delegatee) internal {
        address currentDelegate = _delegates[delegator];
        uint256 delegatorBalance = balanceOf(delegator); // balance of underlying CAKEs (not scaled);
        _delegates[delegator] = delegatee;

        emit DelegateChanged(delegator, currentDelegate, delegatee);

        _moveDelegates(currentDelegate, delegatee, delegatorBalance);
    }

    function _moveDelegates(
        address srcRep,
        address dstRep,
        uint256 amount
    ) internal {
        if (srcRep != dstRep && amount > 0) {
            if (srcRep != address(0)) {
                // decrease old representative
                uint32 srcRepNum = numCheckpoints[srcRep];
                uint256 srcRepOld = srcRepNum > 0
                    ? checkpoints[srcRep][srcRepNum - 1].votes
                    : 0;
                uint256 srcRepNew = srcRepOld.sub(amount);
                _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
            }

            if (dstRep != address(0)) {
                // increase new representative
                uint32 dstRepNum = numCheckpoints[dstRep];
                uint256 dstRepOld = dstRepNum > 0
                    ? checkpoints[dstRep][dstRepNum - 1].votes
                    : 0;
                uint256 dstRepNew = dstRepOld.add(amount);
                _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
            }
        }
    }

    function _writeCheckpoint(
        address delegatee,
        uint32 nCheckpoints,
        uint256 oldVotes,
        uint256 newVotes
    ) internal {
        uint32 blockNumber = safe32(
            block.number,
            "CAKE::_writeCheckpoint: block number exceeds 32 bits"
        );

        if (
            nCheckpoints > 0 &&
            checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber
        ) {
            checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
        } else {
            checkpoints[delegatee][nCheckpoints] = Checkpoint(
                blockNumber,
                newVotes
            );
            numCheckpoints[delegatee] = nCheckpoints + 1;
        }

        emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
    }

    function safe32(uint256 n, string memory errorMessage)
        internal
        pure
        returns (uint32)
    {
        require(n < 2**32, errorMessage);
        return uint32(n);
    }

    function getChainId() internal pure returns (uint256) {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        return chainId;
    }
}


/**
 * @title SafeBEP20
 * @dev Wrappers around BEP20 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 SafeBEP20 for IBEP20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeBEP20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(
        IBEP20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(token.transfer.selector, to, value)
        );
    }

    function safeTransferFrom(
        IBEP20 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
     * {IBEP20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IBEP20 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),
            "SafeBEP20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(
            token,
            abi.encodeWithSelector(token.approve.selector, spender, value)
        );
    }

    function safeIncreaseAllowance(
        IBEP20 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(
        IBEP20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(
            value,
            "SafeBEP20: 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(IBEP20 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,
            "SafeBEP20: low-level call failed"
        );
        if (returndata.length > 0) {
            // Return data is optional
            // solhint-disable-next-line max-line-length
            require(
                abi.decode(returndata, (bool)),
                "SafeBEP20: BEP20 operation did not succeed"
            );
        }
    }
}

// MasterChef is the master of CAKE. He can make Cake and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once CAKE is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless.
contract MasterChef is Ownable, ReentrancyGuard {
    using SafeMath for uint256;
    using SafeBEP20 for IBEP20;

    // Info of each user.
    struct UserInfo {
        uint256 amount; // How many LP tokens the user has provided.
        uint256 rewardDebt; // Reward debt. See explanation below.
        //
        // We do some fancy math here. Basically, any point in time, the amount of CAKE
        // entitled to a user but is pending to be distributed is:
        //
        //   pending reward = (user.amount * pool.accCakePerShare) - user.rewardDebt
        //
        // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
        //   1. The pool's `accCakePerShare` (and `lastRewardBlock`) gets updated.
        //   2. User receives the pending reward sent to his/her address.
        //   3. User's `amount` gets updated.
        //   4. User's `rewardDebt` gets updated.
    }

    // Info of each pool.
    struct PoolInfo {
        IBEP20 lpToken; // Address of LP token contract.
        uint256 allocPoint; // How many allocation points assigned to this pool. CAKEs to distribute per block.
        uint256 lastRewardBlock; // Last block number that CAKEs distribution occurs.
        uint256 accCakePerShare; // Accumulated CAKEs per share, times 1e18. See below.
        uint16 depositFeeBP; // Deposit fee in basis points
        uint256 lpSupply;
    }

    // The CAKE TOKEN!
    CakeToken public cake;
    // CAKE tokens created per block.
    uint256 public tokenPerSecond;
    // Deposit Fee address
    address public feeAddress;

    // Info of each pool.
    PoolInfo[] public poolInfo;
    // Info of each user that stakes LP tokens.
    mapping(uint256 => mapping(address => UserInfo)) public userInfo;
    // Total allocation points. Must be the sum of all allocation points in all pools.
    uint256 public totalAllocPoint = 0;
    // The block number when Cake mining starts.
    uint256 public startBlock;

    event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
    event EmergencyWithdraw(
        address indexed user,
        uint256 indexed pid,
        uint256 amount
    );
    event SetFeeAddress(address indexed user, address indexed newAddress);
    event SetDevAddress(address indexed user, address indexed newAddress);
    event UpdateEmissionRate(address indexed user, uint256 tokenPerSecond);
    event addPool(
        uint256 indexed pid,
        address lpToken,
        uint256 allocPoint,
        uint256 depositFeeBP
    );
    event setPool(
        uint256 indexed pid,
        address lpToken,
        uint256 allocPoint,
        uint256 depositFeeBP
    );
    event UpdateStartBlock(uint256 newStartBlock);

    constructor(
        CakeToken _cake,
        address _feeAddress,
        uint256 _tokenPerSecond,
        uint256 _startBlock
    ) public {
        cake = _cake;
        feeAddress = _feeAddress;
        tokenPerSecond = _tokenPerSecond;
        startBlock = block.timestamp.add(_startBlock * 1 days);
    }

    function poolLength() external view returns (uint256) {
        return poolInfo.length;
    }

    mapping(IBEP20 => bool) public poolExistence;
    modifier nonDuplicated(IBEP20 _lpToken) {
        require(poolExistence[_lpToken] == false, "nonDuplicated: duplicated");
        _;
    }

    // Add a new lp to the pool. Can only be called by the owner.
    function add(
        uint256 _allocPoint,
        IBEP20 _lpToken,
        uint16 _depositFeeBP,
        bool _withUpdate
    ) external onlyOwner nonDuplicated(_lpToken) {
        // valid ERC20 token
        _lpToken.balanceOf(address(this));

        require(_depositFeeBP <= 400, "add: invalid deposit fee basis points");
        if (_withUpdate) {
            massUpdatePools();
        }
        uint256 lastRewardBlock = block.timestamp > startBlock
            ? block.timestamp
            : startBlock;
        totalAllocPoint = totalAllocPoint.add(_allocPoint);
        poolExistence[_lpToken] = true;
        poolInfo.push(
            PoolInfo({
                lpToken: _lpToken,
                allocPoint: _allocPoint,
                lastRewardBlock: lastRewardBlock,
                accCakePerShare: 0,
                depositFeeBP: _depositFeeBP,
                lpSupply: 0
            })
        );

        emit addPool(
            poolInfo.length - 1,
            address(_lpToken),
            _allocPoint,
            _depositFeeBP
        );
    }

    // Update the given pool's Cake allocation point and deposit fee. Can only be called by the owner.
    function set(
        uint256 _pid,
        uint256 _allocPoint,
        uint16 _depositFeeBP,
        bool _withUpdate
    ) external onlyOwner {
        require(_depositFeeBP <= 400, "set: invalid deposit fee basis points");
        if (_withUpdate) {
            massUpdatePools();
        }
        totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(
            _allocPoint
        );
        poolInfo[_pid].allocPoint = _allocPoint;
        poolInfo[_pid].depositFeeBP = _depositFeeBP;

        emit setPool(
            _pid,
            address(poolInfo[_pid].lpToken),
            _allocPoint,
            _depositFeeBP
        );
    }

    // Return reward multiplier over the given _from to _to block.
    function getMultiplier(uint256 _from, uint256 _to)
        public
        pure
        returns (uint256)
    {
        return _to.sub(_from);
    }

    // View function to see pending Cakes on frontend.
    function pendingToken(uint256 _pid, address _user)
        external
        view
        returns (uint256)
    {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accCakePerShare = pool.accCakePerShare;
        if (
            block.timestamp > pool.lastRewardBlock &&
            pool.lpSupply != 0 &&
            totalAllocPoint > 0
        ) {
            uint256 multiplier = getMultiplier(
                pool.lastRewardBlock,
                block.timestamp
            );
            uint256 cakeReward = multiplier
                .mul(tokenPerSecond)
                .mul(pool.allocPoint)
                .div(totalAllocPoint);
            accCakePerShare = accCakePerShare.add(
                cakeReward.mul(1e18).div(pool.lpSupply)
            );
        }
        return
            user.amount.mul(accCakePerShare).div(1e18).sub(user.rewardDebt);
    }

    // Update reward variables for all pools. Be careful of gas spending!
    function massUpdatePools() public {
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            updatePool(pid);
        }
    }

    // Update reward variables of the given pool to be up-to-date.
    function updatePool(uint256 _pid) public {
        PoolInfo storage pool = poolInfo[_pid];
        if (block.timestamp <= pool.lastRewardBlock) {
            return;
        }
        if (pool.lpSupply == 0 || pool.allocPoint == 0) {
            pool.lastRewardBlock = block.timestamp;
            return;
        }
        uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.timestamp);
        uint256 cakeReward = multiplier
            .mul(tokenPerSecond)
            .mul(pool.allocPoint)
            .div(totalAllocPoint);
        cake.mint(feeAddress, cakeReward.div(10));
        cake.mint(address(this), cakeReward);
        pool.accCakePerShare = pool.accCakePerShare.add(
            cakeReward.mul(1e18).div(pool.lpSupply)
        );
        pool.lastRewardBlock = block.timestamp;
    }

    // Deposit LP tokens to MasterChef for Cake allocation.
    function deposit(uint256 _pid, uint256 _amount) external nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        updatePool(_pid);
        if (user.amount > 0) {
            uint256 pending = user
                .amount
                .mul(pool.accCakePerShare)
                .div(1e18)
                .sub(user.rewardDebt);
            if (pending > 0) {
                safeCakeTransfer(msg.sender, pending);
            }
        }
        if (_amount > 0) {
            uint256 balanceBefore = pool.lpToken.balanceOf(address(this));
            pool.lpToken.safeTransferFrom(
                address(msg.sender),
                address(this),
                _amount
            );
            _amount = pool.lpToken.balanceOf(address(this)).sub(balanceBefore);
            if (pool.depositFeeBP > 0) {
                uint256 depositFee = _amount.mul(pool.depositFeeBP).div(10000);
                pool.lpToken.safeTransfer(feeAddress, depositFee);
                user.amount = user.amount.add(_amount).sub(depositFee);
                pool.lpSupply = pool.lpSupply.add(_amount).sub(depositFee);
            } else {
                user.amount = user.amount.add(_amount);
                pool.lpSupply = pool.lpSupply.add(_amount);
            }
        }
        user.rewardDebt = user.amount.mul(pool.accCakePerShare).div(1e18);
        emit Deposit(msg.sender, _pid, _amount);
    }

    // Withdraw LP tokens from MasterChef.
    function withdraw(uint256 _pid, uint256 _amount) external nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        require(user.amount >= _amount, "withdraw: not good");
        updatePool(_pid);
        uint256 pending = user.amount.mul(pool.accCakePerShare).div(1e18).sub(
            user.rewardDebt
        );
        if (pending > 0) {
            safeCakeTransfer(msg.sender, pending);
        }
        if (_amount > 0) {
            user.amount = user.amount.sub(_amount);
            pool.lpToken.safeTransfer(address(msg.sender), _amount);
            pool.lpSupply = pool.lpSupply.sub(_amount);
        }
        user.rewardDebt = user.amount.mul(pool.accCakePerShare).div(1e18);
        emit Withdraw(msg.sender, _pid, _amount);
    }

    // Withdraw without caring about rewards. EMERGENCY ONLY.
    function emergencyWithdraw(uint256 _pid) external nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        uint256 amount = user.amount;
        user.amount = 0;
        user.rewardDebt = 0;
        pool.lpToken.safeTransfer(address(msg.sender), amount);

        if (pool.lpSupply >= amount) {
            pool.lpSupply = pool.lpSupply.sub(amount);
        } else {
            pool.lpSupply = 0;
        }

        emit EmergencyWithdraw(msg.sender, _pid, amount);
    }

    // Safe cake transfer function, just in case if rounding error causes pool to not have enough CAKEs.
    function safeCakeTransfer(address _to, uint256 _amount) internal {
        uint256 cakeBal = cake.balanceOf(address(this));
        bool transferSuccess = false;
        if (_amount > cakeBal) {
            transferSuccess = cake.transfer(_to, cakeBal);
        } else {
            transferSuccess = cake.transfer(_to, _amount);
        }
        require(transferSuccess, "safeCakeTransfer: transfer failed");
    }


    function setFeeAddress(address _feeAddress) external {
        require(msg.sender == feeAddress, "setFeeAddress: FORBIDDEN");
        require(_feeAddress != address(0), "!nonzero");
        feeAddress = _feeAddress;
        emit SetFeeAddress(msg.sender, _feeAddress);
    }

    //Pancake has to add hidden dummy pools inorder to alter the emission, here we make it simple and transparent to all.
    function updateEmissionRate(uint256 _tokenPerSecond) external onlyOwner {
        massUpdatePools();
        tokenPerSecond = _tokenPerSecond;
        emit UpdateEmissionRate(msg.sender, _tokenPerSecond);
    }

    // Only update before start of farm
    function updateStartBlock(uint256 _newStartBlock) external onlyOwner {
        require(
            block.timestamp < startBlock,
            "cannot change start block if farm has already started"
        );
        require(
            block.timestamp < _newStartBlock,
            "cannot set start block in the past"
        );
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            PoolInfo storage pool = poolInfo[pid];
            pool.lastRewardBlock = _newStartBlock;
        }
        startBlock = _newStartBlock;

        emit UpdateStartBlock(startBlock);
    }
}

[{"inputs":[{"internalType":"contract CakeToken","name":"_cake","type":"address"},{"internalType":"address","name":"_feeAddress","type":"address"},{"internalType":"uint256","name":"_tokenPerSecond","type":"uint256"},{"internalType":"uint256","name":"_startBlock","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newAddress","type":"address"}],"name":"SetDevAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newAddress","type":"address"}],"name":"SetFeeAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenPerSecond","type":"uint256"}],"name":"UpdateEmissionRate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newStartBlock","type":"uint256"}],"name":"UpdateStartBlock","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"address","name":"lpToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"allocPoint","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositFeeBP","type":"uint256"}],"name":"addPool","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"address","name":"lpToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"allocPoint","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositFeeBP","type":"uint256"}],"name":"setPool","type":"event"},{"inputs":[{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"contract IBEP20","name":"_lpToken","type":"address"},{"internalType":"uint16","name":"_depositFeeBP","type":"uint16"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"add","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cake","outputs":[{"internalType":"contract CakeToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"massUpdatePools","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IBEP20","name":"","type":"address"}],"name":"poolExistence","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolInfo","outputs":[{"internalType":"contract IBEP20","name":"lpToken","type":"address"},{"internalType":"uint256","name":"allocPoint","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"},{"internalType":"uint256","name":"accCakePerShare","type":"uint256"},{"internalType":"uint16","name":"depositFeeBP","type":"uint16"},{"internalType":"uint256","name":"lpSupply","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"uint16","name":"_depositFeeBP","type":"uint16"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeAddress","type":"address"}],"name":"setFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenPerSecond","type":"uint256"}],"name":"updateEmissionRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newStartBlock","type":"uint256"}],"name":"updateStartBlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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