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// SPDX-License-Identifier: MIT | |
pragma solidity ^0.8.4; | |
import "@openzeppelin/[email protected]/token/ERC721/ERC721.sol"; | |
import "@openzeppelin/[email protected]/access/Ownable.sol"; | |
import "@openzeppelin/[email protected]/utils/Counters.sol"; | |
import "@openzeppelin/[email protected]/utils/cryptography/MerkleProof.sol"; | |
contract MyToken is ERC721, Ownable { | |
using Counters for Counters.Counter; |
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// SPDX-License-Identifier: MIT | |
// OpenZeppelin Contracts v4.3.2 (token/ERC20/ERC20.sol) | |
pragma solidity ^0.8.0; | |
import "./IERC20.sol"; | |
import "./extensions/IERC20Metadata.sol"; | |
import "../../utils/Context.sol"; | |
/** |