all files / contracts/ ERC721Base.sol

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;
 
import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721EnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721URIStorageUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC721/extensions/ERC721BurnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/utils/CountersUpgradeable.sol";
 
/// @custom:security-contact support@protagames.com
contract ERC721Base is Initializable, ERC721Upgradeable, ERC721EnumerableUpgradeable, ERC721URIStorageUpgradeable, ERC721BurnableUpgradeable, OwnableUpgradeable, UUPSUpgradeable {
    using CountersUpgradeable for CountersUpgradeable.Counter;
 
    CountersUpgradeable.Counter private _tokenIdCounter;
 
    string private baseUri;
 
    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() initializer {}
 
    function initialize() initializer public {
        __ERC721_init("ERC721BASE", "ERC721");
        __ERC721Enumerable_init();
        __ERC721URIStorage_init();
        __ERC721Burnable_init();
        __Ownable_init();
        __UUPSUpgradeable_init();
    }
 
    function setBaseUri(string memory uri) external onlyOwner {
        baseUri = uri;
    }
 
    function _baseURI() internal view override returns (string memory) {
        return baseUri;
    }
 
    function safeMint(address to, string memory uri) public onlyOwner {
        uint256 tokenId = _tokenIdCounter.current();
        _tokenIdCounter.increment();
        _safeMint(to, tokenId);
        _setTokenURI(tokenId, uri);
    }
 
    function _authorizeUpgrade(address newImplementation)
    internal
    onlyOwner
    override
    {}
 
    // The following functions are overrides required by Solidity.
 
    function _beforeTokenTransfer(address from, address to, uint256 tokenId, uint256 batchSize)
    internal
    override(ERC721Upgradeable, ERC721EnumerableUpgradeable)
    {
        super._beforeTokenTransfer(from, to, tokenId, batchSize);
    }
 
    function _burn(uint256 tokenId)
    internal
    override(ERC721Upgradeable, ERC721URIStorageUpgradeable)
    {
        super._burn(tokenId);
    }
 
    function tokenURI(uint256 tokenId)
    public
    view
    override(ERC721Upgradeable, ERC721URIStorageUpgradeable)
    returns (string memory)
    {
        return super.tokenURI(tokenId);
    }
 
    function supportsInterface(bytes4 interfaceId)
    public
    view
    override(ERC721Upgradeable, ERC721EnumerableUpgradeable)
    returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }
}