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openzeppelin-contracts-upgradeable
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docs/modules/ROOT/pages/erc721.adoc
...@@ -17,9 +17,10 @@ Here's what a contract for tokenized items might look like: ...@@ -17,9 +17,10 @@ Here's what a contract for tokenized items might look like:
pragma solidity ^0.8.0; pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
import "@openzeppelin/contracts/utils/Counters.sol"; import "@openzeppelin/contracts/utils/Counters.sol";
contract GameItem is ERC721 { contract GameItem is ERC721URIStorage {
using Counters for Counters.Counter; using Counters for Counters.Counter;
Counters.Counter private _tokenIds; Counters.Counter private _tokenIds;
......
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