#!/usr/bin/env node
// gen-seed.mjs — generate a split-key SEED pair for the Robyn vanity service.
// Run OFFLINE: node gen-seed.mjs   (requires: npm i ethers)
// Submit ONLY the public key to the service. Keep the private key.
import { ethers } from 'ethers';

const w = ethers.Wallet.createRandom();
console.log('SEED PRIVATE KEY (keep secret, needed to combine):');
console.log(' ', w.privateKey);
console.log('PUBLIC KEY (submit this to the Robyn vanity grinder):');
console.log(' ', w.signingKey.publicKey); // uncompressed 0x04...
console.log('\nAfter the grind: final_priv = (seed_priv + offset) mod n — use combine.html offline.');