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Moved owner check from public to internal function in ERC721 contract… #4144

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Moved owner check from public to internal function in ERC721 contract… #4144

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25b649b
Moved owner check from public to internal function in ERC721 contract…
ViharGandhi Mar 28, 2023
45149c4
Update contracts/token/ERC721/ERC721.sol
ViharGandhi Mar 29, 2023
f097c8d
Update contracts/token/ERC721/ERC721.sol
Amxx Apr 4, 2023
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5 changes: 3 additions & 2 deletions contracts/token/ERC721/ERC721.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,6 @@ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");

require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
Expand Down Expand Up @@ -364,8 +363,10 @@ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
* Emits an {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
emit Approval(owner, to, tokenId);
}

/**
Expand Down