Token PolyZap

/**
 *Submitted for verification at Etherscan.io on 2021-06-30
*/

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

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @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/access/Ownable.sol

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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;
    }
}

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


pragma solidity >=0.6.0 <0.8.0;

// File: contracts/libs/IERC20.sol


pragma solidity >=0.6.4;

interface IERC20 {
    /**
     * @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);
}

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

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library 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;
    }
}

// File: contracts/libs/ERC20.sol

pragma solidity >=0.4.0;





/**
 * @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, Ownable {
    using SafeMath for uint256;

    mapping(address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name, string memory symbol) public {
        _name = name;
        _symbol = symbol;
        _decimals = 18;
    }

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

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

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

    /**
    * @dev Returns the number of decimals used to get its user representation.
    */
    function decimals() public override view returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {ERC20-totalSupply}.
     */
    function totalSupply() public override view returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {ERC20-balanceOf}.
     */
    function balanceOf(address account) public override view returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {ERC20-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 {ERC20-allowance}.
     */
    function allowance(address owner, address spender) public override view returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {ERC20-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 {ERC20-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 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 {ERC20-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 {ERC20-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, 'ERC20: 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 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');

        _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 {
        require(account != address(0), 'ERC20: 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), 'ERC20: burn from the zero address');

        _balances[account] = _balances[account].sub(amount, 'ERC20: burn amount exceeds balance');
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
     *
     * This is internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve (address owner, address spender, uint256 amount) internal {
        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 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, 'ERC20: burn amount exceeds allowance'));
    }
}

// File: contracts/PolyZapToken.sol

pragma solidity 0.6.12;


// Thunder Token with Governance.
contract PolyZapToken is ERC20 {

    /// @dev 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);
    }

    // Burn address
    address public constant BURN_ADDRESS = 0x000000000000000000000000000000000000dEaD;
    // Addresses that excluded from antiWhale
    mapping(address => bool) private _excludedFromAntiWhale;
    // Max transfer amount rate in basis points. Eg: 50 - 0.5% of total supply (default the anti whale feature is turned off set to 10000.)
    uint16 public maxTransferAmountRate = 10000;
    // The operator can only update the Anti Whale Settings
    address private _operator;

    // Events
    event OperatorTransferred(address indexed previousOperator, address indexed newOperator);
    event MaxTransferAmountRateUpdated(address indexed operator, uint256 previousRate, uint256 newRate);

    /**
     * @notice Constructs the PantherToken contract.
     */
    constructor() public ERC20('PolyZap', 'PZAP') {
        _operator = _msgSender();
        emit OperatorTransferred(address(0), _operator);

        _excludedFromAntiWhale[msg.sender] = true;
        _excludedFromAntiWhale[address(0)] = true;
        _excludedFromAntiWhale[address(this)] = true;
        _excludedFromAntiWhale[BURN_ADDRESS] = true;
    }

    modifier onlyOperator() {
        require(_operator == msg.sender, "operator: caller is not the operator");
        _;
    }

    modifier antiWhale(address sender, address recipient, uint256 amount) {
        if (maxTransferAmount() > 0) {
            if (
                _excludedFromAntiWhale[sender] == false
            ) {
                require(amount <= maxTransferAmount(), "PZAP::antiWhale: Transfer amount exceeds the maxTransferAmount");
            }
        }
        _;
    }

    /**
     * @dev Returns the max transfer amount.
     */
    function maxTransferAmount() public view returns (uint256) {
        return totalSupply().mul(maxTransferAmountRate).div(10000);
    }

    /**
     * @dev Update the max transfer amount rate.
     * Can only be called by the current operator.
     */
    function updateMaxTransferAmountRate(uint16 _maxTransferAmountRate) public onlyOperator {
        require(_maxTransferAmountRate <= 10000, "PANTHER::updateMaxTransferAmountRate: Max transfer amount rate must not exceed the maximum rate.");
        emit MaxTransferAmountRateUpdated(msg.sender, maxTransferAmountRate, _maxTransferAmountRate);
        maxTransferAmountRate = _maxTransferAmountRate;
    }

    /**
     * @dev Returns the address is excluded from antiWhale or not.
     */
    function isExcludedFromAntiWhale(address _account) public view returns (bool) {
        return _excludedFromAntiWhale[_account];
    }

    /**
     * @dev Exclude or include an address from antiWhale.
     * Can only be called by the current operator.
     */
    function setExcludedFromAntiWhale(address _account, bool _excluded) public onlyOperator {
        _excludedFromAntiWhale[_account] = _excluded;
    }

    /// @dev overrides transfer function to meet tokenomics of PZAP
    function _transfer(address sender, address recipient, uint256 amount) internal virtual override antiWhale(sender, recipient, amount) {
        super._transfer(sender, recipient, amount);
    }

    /**
     * @dev Transfers operator of the contract to a new account (`newOperator`).
     * Can only be called by the current operator.
     */
    function transferOperator(address newOperator) public onlyOperator {
        require(newOperator != address(0), "PolyZapToken::transferOperator: new operator is the zero address");
        emit OperatorTransferred(_operator, newOperator);
        _operator = newOperator;
    }

    // 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

    /// @dev A record of each accounts delegate
    mapping (address => address) internal _delegates;

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

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

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

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

    /// @dev 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)");

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

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

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

    /**
     * @dev 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];
    }

   /**
    * @dev 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,
        uint nonce,
        uint 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), "TNDR::delegateBySig: invalid signature");
        require(nonce == nonces[signatory]++, "TNDR::delegateBySig: invalid nonce");
        require(now <= expiry, "TNDR::delegateBySig: signature expired");
        return _delegate(signatory, delegatee);
    }

    /**
     * @dev 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;
    }

    /**
     * @dev 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, uint blockNumber)
        external
        view
        returns (uint256)
    {
        require(blockNumber < block.number, "TNDR::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 TNDRs (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, "TNDR::_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(uint n, string memory errorMessage) internal pure returns (uint32) {
        require(n < 2**32, errorMessage);
        return uint32(n);
    }

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"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":"delegator","type":"address"},{"indexed":true,"internalType":"address","name":"fromDelegate","type":"address"},{"indexed":true,"internalType":"address","name":"toDelegate","type":"address"}],"name":"DelegateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"DelegateVotesChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousRate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newRate","type":"uint256"}],"name":"MaxTransferAmountRateUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOperator","type":"address"},{"indexed":true,"internalType":"address","name":"newOperator","type":"address"}],"name":"OperatorTransferred","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":"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":"BURN_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DELEGATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"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":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint32","name":"","type":"uint32"}],"name":"checkpoints","outputs":[{"internalType":"uint32","name":"fromBlock","type":"uint32"},{"internalType":"uint256","name":"votes","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":"address","name":"delegatee","type":"address"}],"name":"delegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegateBySig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegator","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getCurrentVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPriorVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isExcludedFromAntiWhale","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTransferAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTransferAmountRate","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"numCheckpoints","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"bool","name":"_excluded","type":"bool"}],"name":"setExcludedFromAntiWhale","outputs":[],"stateMutability":"nonpayable","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"},{"inputs":[{"internalType":"address","name":"newOperator","type":"address"}],"name":"transferOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_maxTransferAmountRate","type":"uint16"}],"name":"updateMaxTransferAmountRate","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60806040526008805461ffff19166127101790553480156200002057600080fd5b50604051806040016040528060078152602001660506f6c795a61760cc1b815250604051806040016040528060048152602001630505a41560e41b815250600062000070620001e660201b60201c565b600080546001600160a01b0319166001600160a01b0383169081178255604051929350917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908290a3508151620000cf906004906020850190620001ea565b508051620000e5906005906020840190620001ea565b50506006805460ff1916601217905550620000ff620001e6565b6008805462010000600160b01b031916620100006001600160a01b03938416810291909117918290556040519104909116906000907f74da04524d50c64947f5dd5381ef1a4dca5cba8ed1d816243f9e48aa0b5617ed908290a3336000908152600760205260408082208054600160ff1991821681179092557f6d5257204ebe7d88fd91ae87941cb2dd9d8062b64ae5a2bd2d28ec40b9fbf6df8054821683179055308452918320805483168217905561dead9092527fb0c2646e02af70b79e3fe9277b98373379f54150e4e26b2b5650139f7a75a65d8054909116909117905562000286565b3390565b828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f106200022d57805160ff19168380011785556200025d565b828001600101855582156200025d579182015b828111156200025d57825182559160200191906001019062000240565b506200026b9291506200026f565b5090565b5b808211156200026b576000815560010162000270565b61235e80620002966000396000f3fe608060405234801561001057600080fd5b50600436106102265760003560e01c8063782d6fe11161012a578063a9e75723116100bd578063dd62ed3e1161008c578063f1127ed811610071578063f1127ed8146106d1578063f2fde38b14610723578063fccc28131461074957610226565b8063dd62ed3e1461069b578063e7a324dc146106c957610226565b8063a9e75723146105f8578063b4b5ea5714610600578063c3cda52014610626578063c7f59a671461066d57610226565b806395d89b41116100f957806395d89b411461057b578063a0712d6814610583578063a457c2d7146105a0578063a9059cbb146105cc57610226565b8063782d6fe1146105195780637ecebe0014610545578063893d20e81461056b5780638da5cb5b1461057357610226565b806339509351116101bd5780635c19a95c1161018c5780636fcfff45116101715780636fcfff45146104ac57806370a08231146104eb578063715018a61461051157610226565b80635c19a95c146104655780636a141e2c1461048b57610226565b806339509351146103ac5780633ff8bf2e146103d857806340c10f19146103f7578063587cde1e1461042357610226565b806323b872dd116101f957806323b872dd1461030a578063269f534c1461034057806329605e7714610366578063313ce5671461038e57610226565b806306fdde031461022b578063095ea7b3146102a857806318160ddd146102e857806320606b7014610302575b600080fd5b610233610751565b6040805160208082528351818301528351919283929083019185019080838360005b8381101561026d578181015183820152602001610255565b50505050905090810190601f16801561029a5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b6102d4600480360360408110156102be57600080fd5b506001600160a01b0381351690602001356107e7565b604080519115158252519081900360200190f35b6102f0610805565b60408051918252519081900360200190f35b6102f061080b565b6102d46004803603606081101561032057600080fd5b506001600160a01b0381358116916020810135909116906040013561082f565b6102d46004803603602081101561035657600080fd5b50356001600160a01b03166108b6565b61038c6004803603602081101561037c57600080fd5b50356001600160a01b03166108d4565b005b6103966109e8565b6040805160ff9092168252519081900360200190f35b6102d4600480360360408110156103c257600080fd5b506001600160a01b0381351690602001356109f1565b6103e0610a3f565b6040805161ffff9092168252519081900360200190f35b61038c6004803603604081101561040d57600080fd5b506001600160a01b038135169060200135610a49565b6104496004803603602081101561043957600080fd5b50356001600160a01b0316610af0565b604080516001600160a01b039092168252519081900360200190f35b61038c6004803603602081101561047b57600080fd5b50356001600160a01b0316610b0e565b61038c600480360360208110156104a157600080fd5b503561ffff16610b1b565b6104d2600480360360208110156104c257600080fd5b50356001600160a01b0316610c28565b6040805163ffffffff9092168252519081900360200190f35b6102f06004803603602081101561050157600080fd5b50356001600160a01b0316610c40565b61038c610c5b565b6102f06004803603604081101561052f57600080fd5b506001600160a01b038135169060200135610d31565b6102f06004803603602081101561055b57600080fd5b50356001600160a01b0316610f39565b610449610f4b565b610449610f5a565b610233610f69565b6102d46004803603602081101561059957600080fd5b5035610fca565b6102d4600480360360408110156105b657600080fd5b506001600160a01b038135169060200135611059565b6102d4600480360360408110156105e257600080fd5b506001600160a01b0381351690602001356110c1565b6102f06110d5565b6102f06004803603602081101561061657600080fd5b50356001600160a01b03166110ff565b61038c600480360360c081101561063c57600080fd5b506001600160a01b038135169060208101359060408101359060ff6060820135169060808101359060a00135611163565b61038c6004803603604081101561068357600080fd5b506001600160a01b038135169060200135151561142d565b6102f0600480360360408110156106b157600080fd5b506001600160a01b03813581169160200135166114c5565b6102f06114f0565b610703600480360360408110156106e757600080fd5b5080356001600160a01b0316906020013563ffffffff16611514565b6040805163ffffffff909316835260208301919091528051918290030190f35b61038c6004803603602081101561073957600080fd5b50356001600160a01b0316611541565b61044961166d565b60048054604080516020601f60026000196101006001881615020190951694909404938401819004810282018101909252828152606093909290918301828280156107dd5780601f106107b2576101008083540402835291602001916107dd565b820191906000526020600020905b8154815290600101906020018083116107c057829003601f168201915b5050505050905090565b60006107fb6107f4611673565b8484611677565b5060015b92915050565b60035490565b7f8cad95687ba82c2ce50e74f7b754645e5117c3a5bec8151c0726d5857980a86681565b600061083c848484611763565b6108ac84610848611673565b6108a785604051806060016040528060288152602001612128602891396001600160a01b038a16600090815260026020526040812090610886611673565b6001600160a01b0316815260208101919091526040016000205491906117e7565b611677565b5060019392505050565b6001600160a01b031660009081526007602052604090205460ff1690565b6008546201000090046001600160a01b031633146109235760405162461bcd60e51b81526004018080602001828103825260248152602001806121906024913960400191505060405180910390fd5b6001600160a01b0381166109685760405162461bcd60e51b81526004018080602001828103825260408152602001806121506040913960400191505060405180910390fd5b6008546040516001600160a01b038084169262010000900416907f74da04524d50c64947f5dd5381ef1a4dca5cba8ed1d816243f9e48aa0b5617ed90600090a3600880546001600160a01b0390921662010000027fffffffffffffffffffff0000000000000000000000000000000000000000ffff909216919091179055565b60065460ff1690565b60006107fb6109fe611673565b846108a78560026000610a0f611673565b6001600160a01b03908116825260208083019390935260409182016000908120918c16815292529020549061187e565b60085461ffff1681565b610a51611673565b6001600160a01b0316610a62610f5a565b6001600160a01b031614610abd576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b610ac782826118d8565b6001600160a01b03808316600090815260096020526040812054610aec9216836119be565b5050565b6001600160a01b039081166000908152600960205260409020541690565b610b183382611b00565b50565b6008546201000090046001600160a01b03163314610b6a5760405162461bcd60e51b81526004018080602001828103825260248152602001806121906024913960400191505060405180910390fd5b6127108161ffff161115610baf5760405162461bcd60e51b81526004018080602001828103825260608152602001806122496060913960600191505060405180910390fd5b6008546040805161ffff92831681529183166020830152805133927fb62a50fc861a770636e85357becb3b82a32e911106609d4985871eaf29011e0892908290030190a2600880547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00001661ffff92909216919091179055565b600b6020526000908152604090205463ffffffff1681565b6001600160a01b031660009081526001602052604090205490565b610c63611673565b6001600160a01b0316610c74610f5a565b6001600160a01b031614610ccf576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b600080546040516001600160a01b03909116907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908390a3600080547fffffffffffffffffffffffff0000000000000000000000000000000000000000169055565b6000438210610d715760405162461bcd60e51b81526004018080602001828103825260278152602001806122a96027913960400191505060405180910390fd5b6001600160a01b0383166000908152600b602052604090205463ffffffff1680610d9f5760009150506107ff565b6001600160a01b0384166000908152600a6020908152604080832063ffffffff600019860181168552925290912054168310610e0e576001600160a01b0384166000908152600a602090815260408083206000199490940163ffffffff168352929052206001015490506107ff565b6001600160a01b0384166000908152600a6020908152604080832083805290915290205463ffffffff16831015610e495760009150506107ff565b600060001982015b8163ffffffff168163ffffffff161115610f0257600282820363ffffffff16048103610e7b611ffe565b506001600160a01b0387166000908152600a6020908152604080832063ffffffff808616855290835292819020815180830190925280549093168082526001909301549181019190915290871415610edd576020015194506107ff9350505050565b805163ffffffff16871115610ef457819350610efb565b6001820392505b5050610e51565b506001600160a01b0385166000908152600a6020908152604080832063ffffffff9094168352929052206001015491505092915050565b600c6020526000908152604090205481565b6000610f55610f5a565b905090565b6000546001600160a01b031690565b60058054604080516020601f60026000196101006001881615020190951694909404938401819004810282018101909252828152606093909290918301828280156107dd5780601f106107b2576101008083540402835291602001916107dd565b6000610fd4611673565b6001600160a01b0316610fe5610f5a565b6001600160a01b031614611040576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b61105161104b611673565b836118d8565b506001919050565b60006107fb611066611673565b846108a7856040518060600160405280602581526020016122d06025913960026000611090611673565b6001600160a01b03908116825260208083019390935260409182016000908120918d168152925290205491906117e7565b60006107fb6110ce611673565b8484611763565b600854600090610f5590612710906110f99061ffff166110f3610805565b90611bad565b90611c06565b6001600160a01b0381166000908152600b602052604081205463ffffffff168061112a57600061115c565b6001600160a01b0383166000908152600a6020908152604080832063ffffffff60001986011684529091529020600101545b9392505050565b60007f8cad95687ba82c2ce50e74f7b754645e5117c3a5bec8151c0726d5857980a86661118e610751565b8051906020012061119d611c6d565b60408051602080820195909552808201939093526060830191909152306080808401919091528151808403909101815260a0830182528051908401207fe48329057bfd03d55e49b547132e39cffd9c1820ad7b9d4c5307691425d15adf60c08401526001600160a01b038b1660e084015261010083018a90526101208084018a905282518085039091018152610140840183528051908501207f19010000000000000000000000000000000000000000000000000000000000006101608501526101628401829052610182808501829052835180860390910181526101a285018085528151918701919091206000918290526101c2860180865281905260ff8b166101e287015261020286018a905261022286018990529351929650909492939092600192610242808401937fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe08301929081900390910190855afa158015611309573d6000803e3d6000fd5b50506040517fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe001519150506001600160a01b0381166113795760405162461bcd60e51b81526004018080602001828103825260268152602001806121fd6026913960400191505060405180910390fd5b6001600160a01b0381166000908152600c6020526040902080546001810190915589146113d75760405162461bcd60e51b81526004018080602001828103825260228152602001806120776022913960400191505060405180910390fd5b874211156114165760405162461bcd60e51b81526004018080602001828103825260268152602001806122236026913960400191505060405180910390fd5b611420818b611b00565b505050505b505050505050565b6008546201000090046001600160a01b0316331461147c5760405162461bcd60e51b81526004018080602001828103825260248152602001806121906024913960400191505060405180910390fd5b6001600160a01b0391909116600090815260076020526040902080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0016911515919091179055565b6001600160a01b03918216600090815260026020908152604080832093909416825291909152205490565b7fe48329057bfd03d55e49b547132e39cffd9c1820ad7b9d4c5307691425d15adf81565b600a6020908152600092835260408084209091529082529020805460019091015463ffffffff9091169082565b611549611673565b6001600160a01b031661155a610f5a565b6001600160a01b0316146115b5576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b6001600160a01b0381166115fa5760405162461bcd60e51b81526004018080602001828103825260268152602001806120996026913960400191505060405180910390fd5b600080546040516001600160a01b03808516939216917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e091a3600080547fffffffffffffffffffffffff0000000000000000000000000000000000000000166001600160a01b0392909216919091179055565b61dead81565b3390565b6001600160a01b0383166116bc5760405162461bcd60e51b81526004018080602001828103825260248152602001806121d96024913960400191505060405180910390fd5b6001600160a01b0382166117015760405162461bcd60e51b81526004018080602001828103825260228152602001806120bf6022913960400191505060405180910390fd5b6001600160a01b03808416600081815260026020908152604080832094871680845294825291829020859055815185815291517f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259281900390910190a3505050565b82828260006117706110d5565b11156117dc576001600160a01b03831660009081526007602052604090205460ff166117dc5761179e6110d5565b8111156117dc5760405162461bcd60e51b815260040180806020018281038252603e815260200180612039603e913960400191505060405180910390fd5b611425868686611c71565b600081848411156118765760405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b8381101561183b578181015183820152602001611823565b50505050905090810190601f1680156118685780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b505050900390565b60008282018381101561115c576040805162461bcd60e51b815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b6001600160a01b038216611933576040805162461bcd60e51b815260206004820152601f60248201527f45524332303a206d696e7420746f20746865207a65726f206164647265737300604482015290519081900360640190fd5b600354611940908261187e565b6003556001600160a01b038216600090815260016020526040902054611966908261187e565b6001600160a01b03831660008181526001602090815260408083209490945583518581529351929391927fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9281900390910190a35050565b816001600160a01b0316836001600160a01b0316141580156119e05750600081115b15611afb576001600160a01b03831615611a72576001600160a01b0383166000908152600b602052604081205463ffffffff169081611a20576000611a52565b6001600160a01b0385166000908152600a6020908152604080832063ffffffff60001987011684529091529020600101545b90506000611a608285611dc3565b9050611a6e86848484611e20565b5050505b6001600160a01b03821615611afb576001600160a01b0382166000908152600b602052604081205463ffffffff169081611aad576000611adf565b6001600160a01b0384166000908152600a6020908152604080832063ffffffff60001987011684529091529020600101545b90506000611aed828561187e565b905061142585848484611e20565b505050565b6001600160a01b0380831660009081526009602052604081205490911690611b2784610c40565b6001600160a01b0385811660008181526009602052604080822080547fffffffffffffffffffffffff000000000000000000000000000000000000000016898616908117909155905194955093928616927f3134e8a2e6d97e929a7e54011ea5485d7d196dd5f0ba4d4ef95803e8e3fc257f9190a4611ba78284836119be565b50505050565b600082611bbc575060006107ff565b82820282848281611bc957fe5b041461115c5760405162461bcd60e51b81526004018080602001828103825260218152602001806121076021913960400191505060405180910390fd5b6000808211611c5c576040805162461bcd60e51b815260206004820152601a60248201527f536166654d6174683a206469766973696f6e206279207a65726f000000000000604482015290519081900360640190fd5b818381611c6557fe5b049392505050565b4690565b6001600160a01b038316611cb65760405162461bcd60e51b81526004018080602001828103825260258152602001806121b46025913960400191505060405180910390fd5b6001600160a01b038216611cfb5760405162461bcd60e51b81526004018080602001828103825260238152602001806120166023913960400191505060405180910390fd5b611d38816040518060600160405280602681526020016120e1602691396001600160a01b03861660009081526001602052604090205491906117e7565b6001600160a01b038085166000908152600160205260408082209390935590841681522054611d67908261187e565b6001600160a01b0380841660008181526001602090815260409182902094909455805185815290519193928716927fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef92918290030190a3505050565b600082821115611e1a576040805162461bcd60e51b815260206004820152601e60248201527f536166654d6174683a207375627472616374696f6e206f766572666c6f770000604482015290519081900360640190fd5b50900390565b6000611e44436040518060600160405280603481526020016122f560349139611fa0565b905060008463ffffffff16118015611e8d57506001600160a01b0385166000908152600a6020908152604080832063ffffffff6000198901811685529252909120548282169116145b15611eca576001600160a01b0385166000908152600a6020908152604080832063ffffffff60001989011684529091529020600101829055611f56565b60408051808201825263ffffffff808416825260208083018681526001600160a01b038a166000818152600a84528681208b861682528452868120955186549086167fffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000009182161787559251600196870155908152600b9092529390208054928801909116919092161790555b604080518481526020810184905281516001600160a01b038816927fdec2bacdd2f05b59de34da9b523dff8be42e5e38e818c82fdb0bae774387a724928290030190a25050505050565b6000816401000000008410611ff65760405162461bcd60e51b815260206004820181815283516024840152835190928392604490910191908501908083836000831561183b578181015183820152602001611823565b509192915050565b60408051808201909152600080825260208201529056fe45524332303a207472616e7366657220746f20746865207a65726f2061646472657373505a41503a3a616e74695768616c653a205472616e7366657220616d6f756e74206578636565647320746865206d61785472616e73666572416d6f756e74544e44523a3a64656c656761746542795369673a20696e76616c6964206e6f6e63654f776e61626c653a206e6577206f776e657220697320746865207a65726f206164647265737345524332303a20617070726f766520746f20746865207a65726f206164647265737345524332303a207472616e7366657220616d6f756e7420657863656564732062616c616e6365536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f7745524332303a207472616e7366657220616d6f756e74206578636565647320616c6c6f77616e6365506f6c795a6170546f6b656e3a3a7472616e736665724f70657261746f723a206e6577206f70657261746f7220697320746865207a65726f20616464726573736f70657261746f723a2063616c6c6572206973206e6f7420746865206f70657261746f7245524332303a207472616e736665722066726f6d20746865207a65726f206164647265737345524332303a20617070726f76652066726f6d20746865207a65726f2061646472657373544e44523a3a64656c656761746542795369673a20696e76616c6964207369676e6174757265544e44523a3a64656c656761746542795369673a207369676e6174757265206578706972656450414e544845523a3a7570646174654d61785472616e73666572416d6f756e74526174653a204d6178207472616e7366657220616d6f756e742072617465206d757374206e6f742065786365656420746865206d6178696d756d20726174652e544e44523a3a6765745072696f72566f7465733a206e6f74207965742064657465726d696e656445524332303a2064656372656173656420616c6c6f77616e63652062656c6f77207a65726f544e44523a3a5f7772697465436865636b706f696e743a20626c6f636b206e756d62657220657863656564732033322062697473a2646970667358221220384bbae17f67d7283f550f3b0bf50ae3c8b736228467adb45e4a91ec53b21f1c64736f6c634300060c0033