contract NFTDeck1 is
  NFTDecksMetadata
{
  uint256 public immutable MAX_SUPPLY;
  uint256 public immutable MAX_DISTRIBUTION_DURATION_SECONDS;

  uint256 internal _totalSupply = 0;

  constructor(
    bytes32 guardianHash,
    uint256 guardianWindowDurationSeconds,
    uint256 maxDistributionDurationSeconds,
    uint256 maxSupply
  )
    ERC721("NFTDeck1", "NFTDECK1")
    BlindDrop(guardianHash, guardianWindowDurationSeconds, maxDistributionDurationSeconds)
  {
    MAX_SUPPLY = maxSupply;
    MAX_DISTRIBUTION_DURATION_SECONDS = maxDistributionDurationSeconds;
  }

  /**
   * @notice Claim a token.
   */
  function claim()
    external
  {
    uint256 startingTotalSupply = _totalSupply;
    require(
      startingTotalSupply < MAX_SUPPLY,
      "Max supply exceeded"
    );
    require(
      block.timestamp < DISTRIBUTION_AUTO_END_TIMESTAMP,
      "Distribution has ended"
    );

    // Issue tokens with IDs 1 through MAX_SUPPLY, inclusive.
    uint256 tokenId = startingTotalSupply + 1;

    // IMPORTANT: Update total supply before _safeMint() to avoid reentrancy attacks.
    // (checks-effects-interactions)
    _totalSupply = tokenId;

    // Mint the token. This may trigger a call on the receiver if it is a smart contract.
    _safeMint(msg.sender, tokenId);
  }

  function setAutomaticSeedBlockNumber()
    external
  {
    _setAutomaticSeedBlockNumber(_totalSupply == MAX_SUPPLY);
  }

  function totalSupply()
    public
    view
    override
    returns (uint256)
  {
    return _totalSupply;
  }
}
/**
 * @title NFTDecks
 *
 *
 *  Note: Deliberately choosing not to use ReentrancyGuard, as a gas optimization.
 */
function claim()
    external
  {
    uint256 startingTotalSupply = _totalSupply;
    require(
      startingTotalSupply < MAX_SUPPLY,
      "Max supply exceeded"
    );
    require(
      block.timestamp < DISTRIBUTION_AUTO_END_TIMESTAMP,
      "Distribution has ended"
    );

    // Issue tokens with IDs 1 through MAX_SUPPLY, inclusive.
    uint256 tokenId = startingTotalSupply + 1;

    // IMPORTANT: Update total supply before _safeMint() to avoid reentrancy attacks.
    // (checks-effects-interactions)
    _totalSupply = tokenId;

    // Mint the token. This may trigger a call on the receiver if it is a smart contract.
    _safeMint(msg.sender, tokenId);
  }
/**
 * @notice Claim a token.
 */