Generate a Bitcoin P2TR Address

p2tr.js

const ECPairFactory = require('ecpair').ECPairFactory
const ecurve = require('ecurve')
const secp256k1 = ecurve.getCurveByName('secp256k1')
const schnorr = require('bip-schnorr')
const bech32 = require('bech32').bech32
const bech32m = require('bech32').bech32m

const tinysecp = require('tiny-secp256k1');

const ECPair = ECPairFactory(tinysecp);

function getP2TRAddress(keyPair) {
  const pubKey = ecurve.Point.decodeFrom(secp256k1, keyPair.publicKey)
  const taprootPubkey = schnorr.taproot.taprootConstruct(pubKey)
  const words = bech32.toWords(taprootPubkey)
  words.unshift(1)
  return bech32m.encode('bc',words)
}

const keyPair = ECPair.makeRandom();

console.log(getP2TRAddress(keyPair))