#!/usr/bin/env -S deno run -A

import { readLines } from "https://deno.land/std/io/mod.ts";
import { GearApi } from "https://gear-js.deno.dev/api/index.ts";
import { encodeAddress } from "https://deno.land/x/polkadot/util-crypto/mod.ts";

async function initGearApi() {
  const PROVIDER = Deno.env.get("PROVIDER") ?? "wss://rpc.vara-network.io";
  return await GearApi.create({ providerAddress: PROVIDER, noInitWarn: true });
}

const api = await initGearApi();

function validateAndNormalize(addr: string): string {
  return encodeAddress(addr, 137);
}

let validators = (await api.query.session.validators()).toJSON()

for await (const line of readLines(Deno.stdin)) {
  let token = line.trim();
  if (token === "") continue;
  let address = validateAndNormalize(token);
  console.log(address);
}

Deno.exit();