Agentes compram RWAs, sem chaves.

import { agentLogin, fundWithX402, signerFromViemAccount } from "@realmint/sdk";
import { privateKeyToAccount } from "viem/accounts";

// 1. Keyless auth — sign a challenge with the agent's EVM key (stays local)
const account = privateKeyToAccount(process.env.AGENT_PRIVATE_KEY!);
const { client } = await agentLogin({
  ownerEoa: account.address,
  signMessage: (m) => account.signMessage({ message: m }),
});

// 2. Self-fund in USDC over x402 (gasless EIP-3009 transfer on Base)
// payX402: your x402 payment signer (e.g. the Coinbase x402 SDK on Base)
const payX402: X402PaymentSigner = /* ... */;
await fundWithX402(client, { owner_eoa: account.address, amount_usdc: 5, asset_id: "tslax" }, payX402);

// 3. Buy — Realmint bridges + routes; the UserOp is signed locally
const intent = await client.buy(
  { asset_id: "tslax", source_token: "USDC", amount_in: 5, agent_wallet: account.address },
  signerFromViemAccount(account),
);