getAddressFromPubKey.js

const ethers = require("ethers");

exports.y_sum_s = [
    2, 105, 56, 31, 30, 34, 155, 165, 65, 238, 163, 12, 224, 138, 193, 138, 163,
    33, 108, 184, 199, 29, 146, 179, 134, 203, 218, 180, 48, 140, 69, 88, 38,
  ];  

console.log(
  "address: ",
  ethers.utils.computeAddress("0x" + Buffer.from(y_sum_s).toString("hex"))
);