Hello.
Wizard code:
// SPDX-License-Identifier: MIT
// Compatible with OpenZeppelin Contracts ^5.0.0
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract MyToken is ERC721, ERC721URIStorage, Ownable {
constructor(address initialOwner)
ERC721("MyToken", "MTK")
Ownable(initialOwner)
{}
function safeMint(address to, uint256 tokenId, string memory uri)
public
onlyOwner
{
_safeMint(to, tokenId);
_setTokenURI(tokenId, uri);
}
// The following functions are overrides required by Solidity.
function tokenURI(uint256 tokenId)
public
view
override(ERC721, ERC721URIStorage)
returns (string memory)
{
return super.tokenURI(tokenId);
}
function supportsInterface(bytes4 interfaceId)
public
view
override(ERC721, ERC721URIStorage)
returns (bool)
{
return super.supportsInterface(interfaceId);
}
}
vs
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract MyToken is ERC721URIStorage, Ownable {
constructor(address initialOwner)
ERC721("MyToken", "MTK")
Ownable(initialOwner)
{}
function safeMint(address to, uint256 tokenId, string memory uri)
public
onlyOwner
{
_safeMint(to, tokenId);
_setTokenURI(tokenId, uri);
}
}
Why does the wizard use the long version? Are there any problems with the short version?