[英]How to check if NFT is in a specific wallet
I need to check if a specific NFT is in a specific wallet, there is an API or a way to do it programmatically?我需要检查特定 NFT 是否在特定钱包中,是否有 API 或以编程方式执行此操作的方法?
Thanks a lot.非常感谢。
Assuming the NFT is published onchain and its collection contract implements the ERC-721 standard, you can call the ownerOf()
function (defined in the standard) on the collection contract.假设 NFT 是在链上发布的,并且它的收集合约实现了ERC-721标准,你可以在收集合约上调用
ownerOf()
function(在标准中定义)。
Example using web3js :使用web3js 的示例:
const collection = new web3.eth.Contract(abiJson, collectionAddress);
const owner = await collection.methods.ownerOf(tokenId).call();
return owner == desiredAddress;
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