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【Solana, TypeScript】NFTのmintアドレスから現在のオーナーアドレスを取得

Last updated at Posted at 2022-03-21

動作確認環境

  • M1 Mac (macOS Monterey 12.3)
  • @solana/web3.js : 1.36.0

コード

connection変数は@solana/wallet-adapterで取得したもの。
getTokenLargestAccountsで対象トークンを多く所有しているアカウントのアドレスがわかる。

sample.ts
import * as web3 from '@solana/web3.js';

const getNftOwner = (mintAddress: string): Promise<string> => {
  return connection
    .getTokenLargestAccounts(new web3.PublicKey(mintAddress))
    .then(res => {
      const tokenAccount = res.value[0].address;
      return connection.getParsedAccountInfo(tokenAccount);
    })
    .then(res => {
      const data = res.value?.data as web3.ParsedAccountData;
      const ownerAddress = data.parsed.info.owner;
      return ownerAddress;
    });
};

// How to use (Owner of "Degen Ape #1506")
const address = 'HgDxaNFdq5HExHm2am6UfvVeiCTWdT6J5UzVu4NQR9MN';
getNftOwner(address).then(res => console.log('owner:', res));

参考

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