EmmanuelAdeiza

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

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

EmmanuelAdeiza

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.4;
contract Purchase {
    uint public value;
    address payable public seller;
    address payable public buyer;
    uint256 public lastRun;

    enum State { Created, Locked, Release, Inactive }
    // The state variable has a default value of the first member, `State.created`