Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.6;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./DraculaToken.sol";

contract DraculaHoard is ERC20("DraculaHoard", "xDRC"), Ownable {
    using SafeMath for uint256;
    IERC20 public immutable dracula;
    uint256 public burnRate = 10;

    constructor(IERC20 _dracula) {
        dracula = _dracula;
    }

    function setBurnRate(uint256 _burnRate) external onlyOwner {
        require(_burnRate <= 10, "Invalid burn rate value");
        burnRate = _burnRate;
    }

    /// @notice Return staked amount + rewards
    function balance(address account) public view returns (uint256) {
        uint256 totalShares = totalSupply();
        return (totalShares > 0) ? balanceOf(account).mul(dracula.balanceOf(address(this))).div(totalShares) : 0;
    }

    function stake(uint256 _amount) external {
        uint256 totalDracula = dracula.balanceOf(address(this));
        uint256 totalShares = totalSupply();
        if (totalShares == 0 || totalDracula == 0) {
            _mint(msg.sender, _amount);
        }
        else {
            uint256 what = _amount.mul(totalShares).div(totalDracula);
            _mint(msg.sender, what);
        }
        dracula.transferFrom(msg.sender, address(this), _amount);
    }

    function unstake(uint256 _share) external {
        uint256 totalShares = totalSupply();
        uint256 what = _share.mul(dracula.balanceOf(address(this))).div(totalShares);
        _burn(msg.sender, _share);
        uint256 burnAmount = what.mul(burnRate).div(1000);
        if (burnAmount > 0) {
            DraculaToken(address(dracula)).burn(burnAmount);
        }
        dracula.transfer(msg.sender, what.sub(burnAmount));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "../utils/Context.sol";
/**
 * @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 () {
        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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

/**
 * @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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "../../utils/Context.sol";
import "./IERC20.sol";
import "../../math/SafeMath.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20 {
    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_) {
        _name = name_;
        _symbol = symbol_;
        _decimals = 18;
    }

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

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

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
     * called.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return _decimals;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

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

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

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

    /**
     * @dev Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal virtual {
        _decimals = decimals_;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// 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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.7.6;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";

contract DraculaToken is ERC20("Dracula Token", "DRC"), Ownable {
    using SafeMath for uint256;

    event Minted(address indexed minter, address indexed receiver, uint mintAmount);
    event Burned(address indexed burner, uint burnAmount);

    function mint(address _to, uint256 _amount) public onlyOwner {
        _mint(_to, _amount);
        emit Minted(owner(), _to, _amount);
    }

    function burn(uint256 _amount) public {
        _burn(msg.sender, _amount);
        emit Burned(msg.sender, _amount);
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount) internal override virtual {
        _moveDelegates(_delegates[from], _delegates[to], amount);
    }

    /// @dev A record of each accounts delegate
    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 => uint) 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, uint previousBalance, uint 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,
        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), "DRC::delegateBySig: invalid signature");
        require(nonce == nonces[signatory]++, "DRC::delegateBySig: invalid nonce");
        require(block.timestamp <= expiry, "DRC::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, uint blockNumber)
        external
        view
        returns (uint256)
    {
        require(blockNumber < block.number, "DRC::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 DRCs (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, "DRC::_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;
    }
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 9999
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"_dracula","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"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":[{"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":"balance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"burnRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"dracula","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"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":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"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":"uint256","name":"_burnRate","type":"uint256"}],"name":"setBurnRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"stake","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":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_share","type":"uint256"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60a0604052600a6006553480156200001657600080fd5b506040516200192a3803806200192a833981810160405260208110156200003c57600080fd5b5051604080518082018252600c81526b111c9858dd5b18521bd85c9960a21b6020828101918252835180850190945260048452637844524360e01b9084015281519192916200008e9160039162000130565b508051620000a490600490602084019062000130565b50506005805460ff19166012179055506000620000c06200012c565b60058054610100600160a81b0319166101006001600160a01b03841690810291909117909155604051919250906000907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908290a35060601b6001600160601b031916608052620001dc565b3390565b828054600181600116156101000203166002900490600052602060002090601f016020900481019282620001685760008555620001b3565b82601f106200018357805160ff1916838001178555620001b3565b82800160010185558215620001b3579182015b82811115620001b357825182559160200191906001019062000196565b50620001c1929150620001c5565b5090565b5b80821115620001c15760008155600101620001c6565b60805160601c61171262000218600039806106a2528061077952806108005280610af45280610c1c5280610cb15280610d2352506117126000f3fe608060405234801561001057600080fd5b506004361061016c5760003560e01c80638da5cb5b116100cd578063bed9985011610081578063dd62ed3e11610066578063dd62ed3e146103e3578063e3d670d714610411578063f2fde38b146104375761016c565b8063bed99850146103d3578063d3815bda146103db5761016c565b8063a457c2d7116100b2578063a457c2d71461035e578063a694fc3a1461038a578063a9059cbb146103a75761016c565b80638da5cb5b1461033257806395d89b41146103565761016c565b80632e17de7811610124578063395093511161010957806339509351146102d857806370a0823114610304578063715018a61461032a5761016c565b80632e17de781461029d578063313ce567146102ba5761016c565b806318160ddd1161015557806318160ddd1461022e578063189d165e1461024857806323b872dd146102675761016c565b806306fdde0314610171578063095ea7b3146101ee575b600080fd5b61017961045d565b6040805160208082528351818301528351919283929083019185019080838360005b838110156101b357818101518382015260200161019b565b50505050905090810190601f1680156101e05780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b61021a6004803603604081101561020457600080fd5b506001600160a01b038135169060200135610511565b604080519115158252519081900360200190f35b61023661052f565b60408051918252519081900360200190f35b6102656004803603602081101561025e57600080fd5b5035610535565b005b61021a6004803603606081101561027d57600080fd5b506001600160a01b03813581169160208101359091169060400135610604565b610265600480360360208110156102b357600080fd5b503561068b565b6102c26108a8565b6040805160ff9092168252519081900360200190f35b61021a600480360360408110156102ee57600080fd5b506001600160a01b0381351690602001356108b1565b6102366004803603602081101561031a57600080fd5b50356001600160a01b03166108ff565b61026561091a565b61033a6109f5565b604080516001600160a01b039092168252519081900360200190f35b610179610a09565b61021a6004803603604081101561037457600080fd5b506001600160a01b038135169060200135610a88565b610265600480360360208110156103a057600080fd5b5035610af0565b61021a600480360360408110156103bd57600080fd5b506001600160a01b038135169060200135610c95565b610236610ca9565b61033a610caf565b610236600480360360408110156103f957600080fd5b506001600160a01b0381358116916020013516610cd3565b6102366004803603602081101561042757600080fd5b50356001600160a01b0316610cfe565b6102656004803603602081101561044d57600080fd5b50356001600160a01b0316610dd0565b60038054604080516020601f60027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff6101006001881615020190951694909404938401819004810282018101909252828152606093909290918301828280156105075780601f106104dc57610100808354040283529160200191610507565b820191906000526020600020905b8154815290600101906020018083116104ea57829003601f168201915b5050505050905090565b600061052561051e610f07565b8484610f0b565b5060015b92915050565b60025490565b61053d610f07565b6001600160a01b031661054e6109f5565b6001600160a01b0316146105a9576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b600a8111156105ff576040805162461bcd60e51b815260206004820152601760248201527f496e76616c6964206275726e20726174652076616c7565000000000000000000604482015290519081900360640190fd5b600655565b6000610611848484610ff7565b6106818461061d610f07565b61067c85604051806060016040528060288152602001611626602891396001600160a01b038a1660009081526001602052604081209061065b610f07565b6001600160a01b031681526020810191909152604001600020549190611152565b610f0b565b5060019392505050565b600061069561052f565b90506000610746826107407f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03166370a08231306040518263ffffffff1660e01b815260040180826001600160a01b0316815260200191505060206040518083038186803b15801561070d57600080fd5b505afa158015610721573d6000803e3d6000fd5b505050506040513d602081101561073757600080fd5b505186906111e9565b90611242565b905061075233846112a9565b600061076f6103e8610740600654856111e990919063ffffffff16565b905080156107f6577f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03166342966c68826040518263ffffffff1660e01b815260040180828152602001915050600060405180830381600087803b1580156107dd57600080fd5b505af11580156107f1573d6000803e3d6000fd5b505050505b6001600160a01b037f00000000000000000000000000000000000000000000000000000000000000001663a9059cbb3361083085856113a5565b6040518363ffffffff1660e01b815260040180836001600160a01b0316815260200182815260200192505050602060405180830381600087803b15801561087657600080fd5b505af115801561088a573d6000803e3d6000fd5b505050506040513d60208110156108a057600080fd5b505050505050565b60055460ff1690565b60006105256108be610f07565b8461067c85600160006108cf610f07565b6001600160a01b03908116825260208083019390935260409182016000908120918c168152925290205490611402565b6001600160a01b031660009081526020819052604090205490565b610922610f07565b6001600160a01b03166109336109f5565b6001600160a01b03161461098e576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b60055460405160009161010090046001600160a01b0316907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908390a3600580547fffffffffffffffffffffff0000000000000000000000000000000000000000ff169055565b60055461010090046001600160a01b031690565b60048054604080516020601f60027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff6101006001881615020190951694909404938401819004810282018101909252828152606093909290918301828280156105075780601f106104dc57610100808354040283529160200191610507565b6000610525610a95610f07565b8461067c856040518060600160405280602581526020016116b86025913960016000610abf610f07565b6001600160a01b03908116825260208083019390935260409182016000908120918d16815292529020549190611152565b60007f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03166370a08231306040518263ffffffff1660e01b815260040180826001600160a01b0316815260200191505060206040518083038186803b158015610b5f57600080fd5b505afa158015610b73573d6000803e3d6000fd5b505050506040513d6020811015610b8957600080fd5b505190506000610b9761052f565b9050801580610ba4575081155b15610bb857610bb3338461145c565b610bd6565b6000610bc88361074086856111e9565b9050610bd4338261145c565b505b604080517f23b872dd0000000000000000000000000000000000000000000000000000000081523360048201523060248201526044810185905290516001600160a01b037f000000000000000000000000000000000000000000000000000000000000000016916323b872dd9160648083019260209291908290030181600087803b158015610c6457600080fd5b505af1158015610c78573d6000803e3d6000fd5b505050506040513d6020811015610c8e57600080fd5b5050505050565b6000610525610ca2610f07565b8484610ff7565b60065481565b7f000000000000000000000000000000000000000000000000000000000000000081565b6001600160a01b03918216600090815260016020908152604080832093909416825291909152205490565b600080610d0961052f565b905060008111610d1a576000610dc9565b610dc9816107407f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03166370a08231306040518263ffffffff1660e01b815260040180826001600160a01b0316815260200191505060206040518083038186803b158015610d8e57600080fd5b505afa158015610da2573d6000803e3d6000fd5b505050506040513d6020811015610db857600080fd5b5051610dc3876108ff565b906111e9565b9392505050565b610dd8610f07565b6001600160a01b0316610de96109f5565b6001600160a01b031614610e44576040805162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b6001600160a01b038116610e895760405162461bcd60e51b81526004018080602001828103825260268152602001806115976026913960400191505060405180910390fd5b6005546040516001600160a01b0380841692610100900416907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a3600580546001600160a01b03909216610100027fffffffffffffffffffffff0000000000000000000000000000000000000000ff909216919091179055565b3390565b6001600160a01b038316610f505760405162461bcd60e51b81526004018080602001828103825260248152602001806116946024913960400191505060405180910390fd5b6001600160a01b038216610f955760405162461bcd60e51b81526004018080602001828103825260228152602001806115bd6022913960400191505060405180910390fd5b6001600160a01b03808416600081815260016020908152604080832094871680845294825291829020859055815185815291517f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259281900390910190a3505050565b6001600160a01b03831661103c5760405162461bcd60e51b815260040180806020018281038252602581526020018061166f6025913960400191505060405180910390fd5b6001600160a01b0382166110815760405162461bcd60e51b81526004018080602001828103825260238152602001806115526023913960400191505060405180910390fd5b61108c83838361154c565b6110c9816040518060600160405280602681526020016115df602691396001600160a01b0386166000908152602081905260409020549190611152565b6001600160a01b0380851660009081526020819052604080822093909355908416815220546110f89082611402565b6001600160a01b038084166000818152602081815260409182902094909455805185815290519193928716927fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef92918290030190a3505050565b600081848411156111e15760405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b838110156111a657818101518382015260200161118e565b50505050905090810190601f1680156111d35780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b505050900390565b6000826111f857506000610529565b8282028284828161120557fe5b0414610dc95760405162461bcd60e51b81526004018080602001828103825260218152602001806116056021913960400191505060405180910390fd5b6000808211611298576040805162461bcd60e51b815260206004820152601a60248201527f536166654d6174683a206469766973696f6e206279207a65726f000000000000604482015290519081900360640190fd5b8183816112a157fe5b049392505050565b6001600160a01b0382166112ee5760405162461bcd60e51b815260040180806020018281038252602181526020018061164e6021913960400191505060405180910390fd5b6112fa8260008361154c565b61133781604051806060016040528060228152602001611575602291396001600160a01b0385166000908152602081905260409020549190611152565b6001600160a01b03831660009081526020819052604090205560025461135d90826113a5565b6002556040805182815290516000916001600160a01b038516917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9181900360200190a35050565b6000828211156113fc576040805162461bcd60e51b815260206004820152601e60248201527f536166654d6174683a207375627472616374696f6e206f766572666c6f770000604482015290519081900360640190fd5b50900390565b600082820183811015610dc9576040805162461bcd60e51b815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b6001600160a01b0382166114b7576040805162461bcd60e51b815260206004820152601f60248201527f45524332303a206d696e7420746f20746865207a65726f206164647265737300604482015290519081900360640190fd5b6114c36000838361154c565b6002546114d09082611402565b6002556001600160a01b0382166000908152602081905260409020546114f69082611402565b6001600160a01b0383166000818152602081815260408083209490945583518581529351929391927fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9281900390910190a35050565b50505056fe45524332303a207472616e7366657220746f20746865207a65726f206164647265737345524332303a206275726e20616d6f756e7420657863656564732062616c616e63654f776e61626c653a206e6577206f776e657220697320746865207a65726f206164647265737345524332303a20617070726f766520746f20746865207a65726f206164647265737345524332303a207472616e7366657220616d6f756e7420657863656564732062616c616e6365536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f7745524332303a207472616e7366657220616d6f756e74206578636565647320616c6c6f77616e636545524332303a206275726e2066726f6d20746865207a65726f206164647265737345524332303a207472616e736665722066726f6d20746865207a65726f206164647265737345524332303a20617070726f76652066726f6d20746865207a65726f206164647265737345524332303a2064656372656173656420616c6c6f77616e63652062656c6f77207a65726fa26469706673582212206af5c8698876382bd5a6cdb77f5d45d037511e159cba3f419e86e3bf5c431cfa64736f6c63430007060033000000000000000000000000b78b3320493a4efaa1028130c5ba26f0b6085ef8

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

000000000000000000000000b78b3320493a4efaa1028130c5ba26f0b6085ef8

-----Decoded View---------------
Arg [0] : _dracula (address): 0xb78B3320493a4EFaa1028130C5Ba26f0B6085Ef8

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000b78b3320493a4efaa1028130c5ba26f0b6085ef8