Crypto Pay Agent

npm install @codespar/sdk @codespar/openai openai

CODESPAR_API_KEY=csk_live_...
OPENAI_API_KEY=sk-...

import { CodeSpar } from "@codespar/sdk";

const cs = new CodeSpar({ apiKey: process.env.CODESPAR_API_KEY });

async function cryptoInvoice(
  userId: string,
  amountUSD: number,
  buyer: { name: string; phone: string }
) {
  const session = await cs.create(userId, {
    servers: ["coinbase-commerce", "z-api"],
  });

  try {
    // 1. Generate a Coinbase Commerce hosted payment URL
    const charge = await session.execute("codespar_crypto_pay", {
      amount: amountUSD.toFixed(2),
      currency: "USDC",
      method: "stablecoin",
      metadata: { buyer_name: buyer.name },
    });

    console.log("Payment URL:", charge.payment_url);
    console.log("tool_call_id:", charge.tool_call_id);

    // 2. Share the payment URL with the buyer via WhatsApp
    await session.execute("codespar_notify", {
      recipient: buyer.phone,
      channel: "whatsapp",
      message:
        `Olá ${buyer.name}, sua fatura de ${amountUSD} USDC está pronta. ` +
        `Pague em qualquer rede suportada: ${charge.payment_url}`,
    });

    // 3. Wait for settlement
    let status = await session.paymentStatus(charge.tool_call_id);
    while (status.status === "pending") {
      await new Promise((r) => setTimeout(r, 5000));
      status = await session.paymentStatus(charge.tool_call_id);
    }

    if (status.status === "succeeded") {
      await session.execute("codespar_notify", {
        recipient: buyer.phone,
        channel: "whatsapp",
        message: `Recebido! Obrigado, ${buyer.name}.`,
      });
      return { ok: true, settled_at: status.settled_at };
    }

    return { ok: false, reason: status.status };
  } finally {
    await session.close();
  }
}

await session.paymentStatusStream(charge.tool_call_id, {
  onUpdate: (s) => {
    if (s.status === "succeeded") releaseGoods();
  },
});