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增加自定义的tokenUri

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This commit is contained in:
zhl 2022-02-09 11:56:22 +08:00
parent 6e10dcfcbc
commit c31999c2c7
1 changed files with 11 additions and 0 deletions
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11
contracts/BEBase.sol
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@ -1,11 +1,14 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/access/AccessControlEnumerable.sol";
abstract contract BEBase is ERC721, AccessControlEnumerable, ERC721Enumerable, Ownable {
using Strings for uint256;
mapping(address => bool) public approvalWhitelists;
mapping(uint256 => bool) public lockedTokens;
string private _baseTokenURI;
@ -19,6 +22,14 @@ abstract contract BEBase is ERC721, AccessControlEnumerable, ERC721Enumerable, O
return _baseTokenURI;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "BEBase: URI query for nonexistent token");
string memory baseURI = _baseURI();
uint256 tokenSub = tokenId % 1000;
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenSub.toString())) : "";
}
/**
* @dev Creates a new token for `to`. Its token ID will be automatically
* assigned (and available on the emitted {IERC721-Transfer} event), and the token