From 13e113df8163209eaf852c76a3c7689b3ee836b7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicol=C3=A1s=20Venturo?= Date: Fri, 17 Apr 2020 11:37:58 -0300 Subject: [PATCH] Improve usage of toString --- contracts/token/ERC721/ERC721.sol | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/contracts/token/ERC721/ERC721.sol b/contracts/token/ERC721/ERC721.sol index ad72d2606..0552ce7f3 100644 --- a/contracts/token/ERC721/ERC721.sol +++ b/contracts/token/ERC721/ERC721.sol @@ -21,6 +21,7 @@ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable using Address for address; using EnumerableSet for EnumerableSet.UintSet; using EnumerableMap for EnumerableMap.UintToAddressMap; + using Strings for uint256; // Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))` // which can be also obtained as `IERC721Receiver(0).onERC721Received.selector` @@ -153,7 +154,7 @@ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable return string(abi.encodePacked(_baseURI, _tokenURI)); } // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI. - return string(abi.encodePacked(_baseURI, Strings.toString(tokenId))); + return string(abi.encodePacked(_baseURI, tokenId.toString())); } /**