multicall

require("dotenv").config();
const ethers = require("ethers");
const { aggregate } = require("@makerdao/multicall");

const provider = new ethers.providers.JsonRpcProvider(
  env.PROVIDER
);

async function contractTest() {
  const mutagenTokenAbi = require("./static/abis/mutagenToken.json");
  const mutagenAddress = "0xDf9E0684F15e60cFCC646ACffB02d97D2D5a1a67";
  const testHolder = "0x8501186c56fe4d6deb80a600be7a2a6c6138b972"
  const mutagenToken = new ethers.Contract(
    mutagenAddress,
    mutagenTokenAbi,
    provider
  );

  const quantity = await mutagenToken.balanceOf(testHolder);

  const requests = []
  for (var i = 0; i < quantity; i++) {
    requests.push({
      target: mutagenAddress,
      call: ['tokenOfOwnerByIndex(address,uint256)(uint256)',
              testHolder,i],
      returns: [[i, val => val & 3]]
    })
  }

  const config = {
    rpcUrl: env.PROVIDER,
    multicallAddress: '0x5ba1e12693dc8f9c48aad8770482f4739beed696'
  };
  const {results: {transformed}} = await aggregate(requests, config)
  const types = Object.values(transformed)

  console.log({
    Genesis: types.includes(0),
    Print: types.includes(1),
    Mutagen: types.includes(2),
  });
}

contractTest();