检查令牌是否为NFT，并确保它不是骗局。是否可以局部脱链？

发布于 2025-02-12 12:30:42 字数 567 浏览 0 评论 0原文

我试图了解Metaplex标准。在版本1.1中，已添加了token_standard添加到元数据中，在这种情况下，很容易检查薄荷是否可易于函数（在Metaplex的定义上）。

但是在版本1.0中，我需要检查mint_authority Mint帐户（可能代表NFT）。我的问题是：是否足以将其检查离链，还是我还必须确保该帐户存在并由令牌元数据拥有？

// assume that this mint has decimals = 0 and supply = 1.
let edition_pda = Pubkey::find_program_address(['metadata', token_metadata_program_id, mint_id, 'edition']);
if mint_authority == edition_pda {
  // This is NFT
} else {
  // This can be SCAM
}

也许我完全错了？

原文

I am trying to understand metaplex standard. And in version 1.1 there was added filed token_standard to metadata acount and in that case it's easy to check if mint is fungible or not (in definition of metaplex).

But in version 1.0 I need to checked mint_authority filed of mint account (possible representing NFT). My question is: is it enough to check it off-chain or I must also ensure that this account exist and is owned by Token Metadata Program?

// assume that this mint has decimals = 0 and supply = 1.
let edition_pda = Pubkey::find_program_address(['metadata', token_metadata_program_id, mint_id, 'edition']);
if mint_authority == edition_pda {
  // This is NFT
} else {
  // This can be SCAM
}

Or maybe I am completely wrong?

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