creation_sourcecode: /**
  #DOGE30
  Upholding Dogecoin's "Do Only Good Everyday" ethos, it offers passive rewards through on-chain staking. 
  
  X :https://twitter.com/doge_coin30
  
  TG: https://t.me/doge_coin30
  
  Mail : admin@dogecoin3.com
  
  Website: https://dogecoin3.com
  
  
  */
  
  // SPDX-License-Identifier: MIT
  
  pragma solidity 0.8.9;
  
  /**
   * @dev Interface of the ERC20 standard as defined in the EIP.
   */
  interface IERC20 {
    /**
     * @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);
  
    /**
     * @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 `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from, address to, uint256 amount) external returns (bool);
  }
  
  /**
   * @dev Interface for the optional metadata functions from the ERC20 standard.
   *
   * _Available since v4.1._
   */
  interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);
  
    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);
  
    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
  }
  
  /**
   * @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 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) {
      return msg.sender;
    }
  
    function _msgData() internal view virtual returns (bytes calldata) {
      return msg.data;
    }
  }
  
  /**
   * @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() {
      _transferOwnership(_msgSender());
    }
  
    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
      _checkOwner();
      _;
    }
  
    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
      return _owner;
    }
  
    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
      require(owner() == _msgSender(), 'Ownable: caller is not the owner');
    }
  
    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
      _transferOwnership(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');
      _transferOwnership(newOwner);
    }
  
    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
      address oldOwner = _owner;
      _owner = newOwner;
      emit OwnershipTransferred(oldOwner, newOwner);
    }
  }
  
  contract DOGE30 is Context, IERC20Metadata, Ownable {
    mapping(address => uint256) private _balances;
  
    mapping(address => mapping(address => uint256)) private _allowances;
  
    uint256 private _totalSupply;
  
    string private _name;
    string private _symbol;
    uint8 private constant _decimals = 18;
  
    /**
     * @dev Contract constructor.
     */
    constructor() {
      _name = 'Dogecoin3.0';
      _symbol = 'DOGE3.0';
      _mint(owner(), 699_000_000_000 * (10 ** _decimals));
    }
  
    /**
     * @dev Returns the name of the token.
     * @return The name of the token.
     */
    function name() public view virtual override returns (string memory) {
      return _name;
    }
  
    /**
     * @dev Returns the symbol of the token.
     * @return The symbol of the token.
     */
    function symbol() public view virtual override returns (string memory) {
      return _symbol;
    }
  
    /**
     * @dev Returns the number of decimals used for token display.
     * @return The number of decimals.
     */
    function decimals() public view virtual override returns (uint8) {
      return _decimals;
    }
  
    /**
     * @dev Returns the total supply of the token.
     * @return The total supply.
     */
    function totalSupply() public view virtual override returns (uint256) {
      return _totalSupply;
    }
  
    /**
     * @dev Returns the balance of the specified account.
     * @param account The address to check the balance for.
     * @return The balance of the account.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
      return _balances[account];
    }
  
    /**
     * @dev Transfers tokens from the caller to a specified recipient.
     * @param recipient The address to transfer tokens to.
     * @param amount The amount of tokens to transfer.
     * @return A boolean value indicating whether the transfer was successful.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
      _transfer(_msgSender(), recipient, amount);
      return true;
    }
  
    /**
     * @dev Returns the amount of tokens that the spender is allowed to spend on behalf of the owner.
     * @param from The address that approves the spending.
     * @param to The address that is allowed to spend.
     * @return The remaining allowance for the spender.
     */
    function allowance(address from, address to) public view virtual override returns (uint256) {
      return _allowances[from][to];
    }
  
    /**
     * @dev Approves the specified address to spend the specified amount of tokens on behalf of the caller.
     * @param to The address to approve the spending for.
     * @param amount The amount of tokens to approve.
     * @return A boolean value indicating whether the approval was successful.
     */
    function approve(address to, uint256 amount) public virtual override returns (bool) {
      _approve(_msgSender(), to, amount);
      return true;
    }
  
    /**
     * @dev Transfers tokens from one address to another.
     * @param sender The address to transfer tokens from.
     * @param recipient The address to transfer tokens to.
     * @param amount The amount of tokens to transfer.
     * @return A boolean value indicating whether the transfer was successful.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
      _transfer(sender, recipient, amount);
  
      uint256 currentAllowance = _allowances[sender][_msgSender()];
      require(currentAllowance >= amount, 'ERC20: transfer amount exceeds allowance');
      unchecked {
        _approve(sender, _msgSender(), currentAllowance - amount);
      }
  
      return true;
    }
  
    /**
     * @dev Increases the allowance of the specified address to spend tokens on behalf of the caller.
     * @param to The address to increase the allowance for.
     * @param addedValue The amount of tokens to increase the allowance by.
     * @return A boolean value indicating whether the increase was successful.
     */
    function increaseAllowance(address to, uint256 addedValue) public virtual returns (bool) {
      _approve(_msgSender(), to, _allowances[_msgSender()][to] + addedValue);
      return true;
    }
  
    /**
     * @dev Decreases the allowance granted by the owner of the tokens to `to` account.
     * @param to The account allowed to spend the tokens.
     * @param subtractedValue The amount of tokens to decrease the allowance by.
     * @return A boolean value indicating whether the operation succeeded.
     */
    function decreaseAllowance(address to, uint256 subtractedValue) public virtual returns (bool) {
      uint256 currentAllowance = _allowances[_msgSender()][to];
      require(currentAllowance >= subtractedValue, 'ERC20: decreased allowance below zero');
      unchecked {
        _approve(_msgSender(), to, currentAllowance - subtractedValue);
      }
  
      return true;
    }
  
    /**
     * @dev Transfers `amount` tokens from `sender` to `recipient`.
     * @param sender The account to transfer tokens from.
     * @param recipient The account to transfer tokens to.
     * @param amount The amount of tokens to transfer.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
      require(amount > 0, 'ERC20: transfer amount zero');
      require(sender != address(0), 'ERC20: transfer from the zero address');
      require(recipient != address(0), 'ERC20: transfer to the zero address');
  
      uint256 senderBalance = _balances[sender];
      require(senderBalance >= amount, 'ERC20: transfer amount exceeds balance');
      unchecked {
        _balances[sender] = senderBalance - amount;
      }
      _balances[recipient] += amount;
  
      emit Transfer(sender, recipient, amount);
    }
  
    /**
     * @dev Creates `amount` tokens and assigns them to `account`.
     * @param account The account to assign the newly created tokens to.
     * @param amount The amount of tokens to create.
     */
    function _mint(address account, uint256 amount) internal virtual {
      require(account != address(0), 'ERC20: mint to the zero address');
  
      _totalSupply += amount;
      _balances[account] += amount;
      emit Transfer(address(0), account, amount);
    }
  
    /**
     * @dev Destroys `amount` tokens from `account`, reducing the total supply.
     * @param account The account to burn tokens from.
     * @param amount The amount of tokens to burn.
     */
    function _burn(address account, uint256 amount) internal virtual {
      require(account != address(0), 'ERC20: burn from the zero address');
  
      uint256 accountBalance = _balances[account];
      require(accountBalance >= amount, 'ERC20: burn amount exceeds balance');
      unchecked {
        _balances[account] = accountBalance - amount;
      }
      _totalSupply -= amount;
  
      emit Transfer(account, address(0), amount);
    }
  
    /**
     * @dev Destroys `amount` tokens from the caller's account, reducing the total supply.
     * @param amount The amount of tokens to burn.
     */
    function burn(uint256 amount) external {
      _burn(_msgSender(), amount);
    }
  
    /**
     * @dev Sets `amount` as the allowance of `to` over the caller's tokens.
     * @param from The account granting the allowance.
     * @param to The account allowed to spend the tokens.
     * @param amount The amount of tokens to allow.
     */
    function _approve(address from, address to, uint256 amount) internal virtual {
      require(from != address(0), 'ERC20: approve from the zero address');
      require(to != address(0), 'ERC20: approve to the zero address');
  
      _allowances[from][to] = amount;
      emit Approval(from, to, amount);
    }
  }