abhijeet-n-singh/nft-contract.sol

NFT-Contract.sol

//Question - Write a Basic NFT conntract made by using Solidity, Remix IDE, and OpenZippelin //Answer - // SPDX-License-Identifier: MIT pragma solidity ^0.8.20;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; // non fungible token , in contracts helps to minimize the risk . import "@openzeppelin/contracts/access/Ownable.sol";

contract BasicNFTContract is ERC721, Ownable { uint256 public minPrice = 0.05 ether; uint256 public totalSupply; uint256 public maxSupply; bool public isMintEnabled; mapping(address => uint256) public mintedWallets;

constructor() payable ERC721('Abhiyayo NFT', 'JET') {
    maxSupply = 2;
}

function toggleIsMintEnabled() external onlyOwner {
    toggleIsMintEnabled = !isMintEnabled;
}

function setMaxSupply(uint256 _maxsupply) external onlyOwner {
    maxSupply = _maxsupply;
}

function mint() external payable {
    require(isMintEnabled, 'Minting not enabled');
    require(msg.value == minPrice, 'Wrong Price');
    require(mintedWallets[msg.sender] < 1, 'exceed max per wallet');
    require(maxSupply > totalSupply, 'sold out');

    mintedWallets[msg.sender]++;
    totalSupply++;
    uint tokenID = totalSupply;
    _safeMint(msg.sender tokenID);
}

}