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Questions tagged [contracturi]

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Can Opensea pull and read standard metadata URI from ERC1155 NFT?

For example https://token-cdn-domain/{id}.json. Can Opensea and other similar clients read this kind of metadata link? Or I should override the uri() function like this function uri(uint256 _tokenId) ...
dtnwen's user avatar
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2 votes
1 answer
329 views

Is there a tool to verify that the metadata of my NFT is correct?

I am creating a collection of NFTs and I want to test that the metadata and the media files are correct. I am setting tokenURI on chain. How can I do this? I am using Polygon Mumbai.
Falcon Stakepool's user avatar
1 vote
1 answer
187 views

Do I need a burn function to inherit ERC721URIStorage?

I have an ERC721 contract that inherits ERC721URIStorage because I have to keep the URI on-chain. The problem I have is I am getting all these errors: Derived contract must override function "...
Falcon Stakepool's user avatar
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1 answer
4k views

What is NFT token metadata or URI?

I want to develop a user interface which accepts an image file from the user, and a ERC1155 smart contract capable of minting tokens backed by the uploaded image. In other words, I need my ERC1155 ...
Sina Rahimi's user avatar
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1 answer
60 views

What are the differences between URL, URI and URN?

I encountered these words over and over again. But I'm not sure what the differences are? It is different from the IP address right? Can you please explain the difference for me? Thanks in advance!!!
Ethguy's user avatar
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2k views

EIP-2981 royalty and opensea contractURI seller_fee_basis_points

So both EIP-2981 royaltyInfo() and Opensea's seller_fee_basis_points from contractURI() represent royalties percentage awarded to creators. If I set both in a contract, which one will opensea take? ...
bbusdriver's user avatar
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