⚠️ Remember to npm install ethers in the same directory as this file

download_all_burnt_mice_svgs.js

const fs = require("fs");
const ethers = require("ethers");

const INFURA_PROJECT_ID = "REPLACE_THIS_WITH_YOUR_PROJECT_ID"
const BURN_ADDRESS = "0x000000000000000000000000000000000000dead";

const anonymice = new ethers.Contract(
  "0xbad6186E92002E312078b5a1dAfd5ddf63d3f731",
  '[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"_tokenIdToHash","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_traitTypeIndex","type":"uint256"},{"components":[{"internalType":"string","name":"traitName","type":"string"},{"internalType":"string","name":"traitType","type":"string"},{"internalType":"string","name":"pixels","type":"string"},{"internalType":"uint256","name":"pixelCount","type":"uint256"}],"internalType":"struct Anonymice.Trait[]","name":"traits","type":"tuple[]"}],"name":"addTraitType","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"burnForMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"clearTraits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"currentCheethCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"}],"name":"hashToMetadata","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_hash","type":"string"}],"name":"hashToSVG","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintMouse","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_cheethAddress","type":"address"}],"name":"setCheethAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"traitTypes","outputs":[{"internalType":"string","name":"traitName","type":"string"},{"internalType":"string","name":"traitType","type":"string"},{"internalType":"string","name":"pixels","type":"string"},{"internalType":"uint256","name":"pixelCount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_wallet","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"}]',
  ethers.getDefaultProvider("homestead", {
    infura: INFURA_PROJECT_ID,
  })
);

const chonk = (array, chunk_size) =>
  Array(Math.ceil(array.length / chunk_size))
    .fill()
    .map((_, index) => index * chunk_size)
    .map((begin) => array.slice(begin, begin + chunk_size));

async function main() {
  const allIds = (await anonymice.walletOfOwner(BURN_ADDRESS)).map((x) =>
    x.toNumber()
  );
  const chonks = chonk(allIds, 50);

  let i = 0;
  for (const ids of chonks) {
    await Promise.all(
      ids.map(async (id) => {
        i++;
        const filepath = `images/${id}.svg`;
        if (fs.existsSync(filepath)) {
          console.log(`Skipping #${id}...(${i}/${allIds.length})`);
        } else {
          console.log(`Downloading #${id}...(${i}/${allIds.length})`);
          const data = await anonymice.tokenURI(id);
          const decoded = Buffer.from(
            data.replace("data:application/json;base64,", ""),
            "base64"
          );
          const json = JSON.parse(decoded.toString());
          const b64 = json.image.split(";base64,").pop();
          fs.writeFileSync(filepath, b64, { encoding: "base64" });
        }
      })
    );
  }
  console.log("Done! ✨");
}

main();