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I want to store informations about ERC1155 tokens AND use it in same contract. Best way for me is get information from token metadata, but i don't know how to do this, I found only function to get token URI but i can't read informations from metadata

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Sounds to me like this is a job for storage variables. A mapping, to be precise.

You could define a mapping that maps each token id to a struct that contains its data like this:

struct NftData {
  ... // Insert NFT data params here
}

mapping(uint256 => NftData) public nftData;
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  • thanks, but I have 10k tokens, everyone with diffrent params, how to store it in structs? Can I put data from metadata to struct?
    – Blendered
    Feb 19, 2022 at 14:16

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