addressFromPublicKey.ts

import { 
  Avalanche,
  BinTools,
  Buffer
} from "avalanche"
import { 
  AVMAPI, 
  KeyChain,
  KeyPair
} from "avalanche/dist/apis/avm"

const ip: string = 'localhost'
const port: number = 9650
const protocol: string = 'http'
const networkID: number = 12345
const avalanche: Avalanche = new Avalanche(ip, port, protocol, networkID)
const xchain: AVMAPI = avalanche.XChain()
const bintools: BinTools = BinTools.getInstance()
const xKeychain: KeyChain = xchain.keyChain()
const key: KeyPair = xKeychain.makeKey()
console.log(key.getAddressString())
const pubkey: Buffer = key.getPublicKey()
console.log(bintools.addressToString("local", "X", key.addressFromPublicKey(pubkey)))