maximedegreve

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import 'erc721a/contracts/ERC721A.sol';
import 'erc721a-upgradeable/contracts/ERC721AUpgradeable.sol';
import '@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol';
import "@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol"; 
import "@openzeppelin/contracts-upgradeable/utils/StringsUpgradeable.sol"; 
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "operator-filter-registry/src/upgradeable/OperatorFiltererUpgradeable.sol";

maximedegreve

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import 'erc721a/contracts/ERC721A.sol';
import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/utils/cryptography/MerkleProof.sol';
import '@openzeppelin/contracts/security/ReentrancyGuard.sol';

error NormalSaleNotActive();
error WhitelistNotActive();