Get a Mint list based on a Candy machine Address

getMints.ts

import { Metadata } from '@metaplex-foundation/mpl-token-metadata';
import { writeJSON } from 'fs-extra';
import { PublicKey } from '@solana/web3.js';
import { PROGRAMS, SOLANA_CONNECTION } from '../constants';

(async function () {
  const CANDY_MACHINE_ACCOUNT_KEY = new PublicKey(
    'Bi9A9brhkTXRMwq9aBimNZNefLkcMFHobtkwqBjTeqc5'
  );

  const res = await SOLANA_CONNECTION.getParsedProgramAccounts(
    PROGRAMS['metadata'],
    {
      filters: [
        {
          memcmp: {
            offset: 1 + 32 + 32 + 4 + 32 + 4 + 200 + 4 + 10 + 2 + 1 + 4,
            bytes: CANDY_MACHINE_ACCOUNT_KEY.toBase58(),
          },
        },
      ],
    }
  );

  const mintList = (
    await Promise.all(
      res.map(async (indRes) => Metadata.load(SOLANA_CONNECTION, indRes.pubkey))
    )
  )
    .filter((metadata) =>
      metadata.data.data.creators?.find(
        (c) => c.address === CANDY_MACHINE_ACCOUNT_KEY.toString() && c.verified
      )
    )
    .map((metadata) => metadata.data.mint);

  await writeJSON(
    `${__dirname}/../mints/${CANDY_MACHINE_ACCOUNT_KEY}-mints.json`,
    mintList,
    { spaces: 2 }
  );
})();