ritmex-bot/scripts/derive-public.ts

import { LighterPrivateKey } from "../src/exchanges/lighter/crypto/schnorr";
import { bytesToHex } from "../src/exchanges/lighter/bytes";

function derive(keyHex: string): string {
  const normalized = keyHex.startsWith("0x") ? keyHex.slice(2) : keyHex;
  const key = LighterPrivateKey.fromHex(normalized);
  return bytesToHex(key.publicKey().toBytes());
}

const input = process.argv[2];
if (!input) {
  console.error("usage: bun run scripts/derive-public.ts <hex>");
  process.exit(1);
}

console.log(derive(input));