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Allow setting tokenURI for non-existent token #4559

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merged 3 commits into from
Sep 2, 2023
Merged

Allow setting tokenURI for non-existent token #4559

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5e3ca4d
Allow setting tokenURI for non-existent token
Amxx Sep 1, 2023
20e86be
Update ERC721URIStorage.sol
Amxx Sep 1, 2023
ac1aad9
Update empty-cheetahs-hunt.md
frangio Sep 2, 2023
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5 changes: 5 additions & 0 deletions .changeset/empty-cheetahs-hunt.md
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@@ -0,0 +1,5 @@
---
'openzeppelin-solidity': major
---

`ERC721URIStorage`: Allow setting the token URI prior to minting.
8 changes: 0 additions & 8 deletions contracts/token/ERC721/extensions/ERC721URIStorage.sol
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Expand Up @@ -49,17 +49,9 @@ abstract contract ERC721URIStorage is IERC4906, ERC721 {
* @dev Sets `_tokenURI` as the tokenURI of `tokenId`.
*
* Emits {MetadataUpdate}.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual {
if (_ownerOf(tokenId) == address(0)) {
revert ERC721NonexistentToken(tokenId);
}
_tokenURIs[tokenId] = _tokenURI;

emit MetadataUpdate(tokenId);
}

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12 changes: 8 additions & 4 deletions test/token/ERC721/extensions/ERC721URIStorage.test.js
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Expand Up @@ -50,10 +50,14 @@ contract('ERC721URIStorage', function (accounts) {
});
});

it('reverts when setting for non existent token id', async function () {
await expectRevertCustomError(this.token.$_setTokenURI(nonExistentTokenId, sampleUri), 'ERC721NonexistentToken', [
nonExistentTokenId,
]);
it('setting the uri for non existent token id is allowed', async function () {
expectEvent(await this.token.$_setTokenURI(nonExistentTokenId, sampleUri), 'MetadataUpdate', {
_tokenId: nonExistentTokenId,
});

// value will be accessible after mint
await this.token.$_mint(owner, nonExistentTokenId);
expect(await this.token.tokenURI(nonExistentTokenId)).to.be.equal(sampleUri);
});

it('base URI can be set', async function () {
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