grampabacon

function adopt(uint256 amount) public payable {
    require(amount < 4, "You can adopt a maximum of 3 Paper Cats");
    require(!_paused, "Sale paused");
    require(msg.value == _price * amount, "Ether sent is not correct");

    for (uint256 i; i < amount; i++) {
        _safeMint(msg.sender, totalSupply());
    }
}

grampabacon

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import '@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol';
import '@openzeppelin/contracts/access/Ownable.sol';

contract PaperCats is ERC721Enumerable, Ownable {

    string _baseTokenURI;
    bool public _paused = true;

grampabacon

const config: HardhatUserConfig = {
  defaultNetwork: "hardhat",
  solidity: {
    compilers: [{ version: "0.8.0", settings: {} }],
  },
  networks: {
    hardhat: {},
    localhost: {},
    rinkeby: {
      url: `https://rinkeby.infura.io/v3/${INFURA_API_KEY}`,