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burn nft时判断是否锁定

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This commit is contained in:
zhl 2022-01-28 17:09:56 +08:00
parent 7be19c26d1
commit 6e10dcfcbc
1 changed files with 2 additions and 17 deletions
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19
contracts/BEBase.sol
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@ -42,23 +42,7 @@ abstract contract BEBase is ERC721, AccessControlEnumerable, ERC721Enumerable, O
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator)
public
view
override
returns (bool)
{
if (approvalWhitelists[operator]) {
return true;
}
return super.isApprovedForAll(owner, operator);
}
/**
* @dev Allow operation to reduce gas fee.
* @dev Allow operation to approval list.
*/
function addApprovalWhitelist(address proxy) external onlyOwner {
require(!approvalWhitelists[proxy], "Invalid proxy address");
@ -161,6 +145,7 @@ abstract contract BEBase is ERC721, AccessControlEnumerable, ERC721Enumerable, O
"Must have burn role to burn"
);
require(_exists(tokenId), "TokenId not exists");
require(!lockedTokens[tokenId], "Can not burn locked token");
require(
ownerOf(tokenId) == owner,
"current address is not owner of this item now"