ahmedovv123

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

/**
 * @dev The contract has an owner address, and provides basic authorization control whitch
 * simplifies the implementation of user permissions. This contract is based on the source code at:
 * https://github.com/OpenZeppelin/openzeppelin-solidity/blob/master/contracts/ownership/Ownable.sol
 */
contract Ownable
{

ahmedovv123

// SPDX-License-Identifier: MIT
pragma solidity 0.8.0;
 
import "https://github.com/0xcert/ethereum-erc721/src/contracts/tokens/nf-token-metadata.sol";
import "https://github.com/0xcert/ethereum-erc721/src/contracts/ownership/ownable.sol";
 
contract newNFT is NFTokenMetadata, Ownable {
 
  constructor() {
    nftName = "AADP";

ahmedovv123

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Gas Optimizations

	Issue	Instances
GAS-1	Use assembly to check for address(0)	5
GAS-2	Cache array length outside of loop	1