Agent Protocol (x402)

import { createWalletClient, http } from "viem";
import { base } from "viem/chains";

// 1. Agent computes allocation and USDC premium via REST API
const allocRes = await fetch("https://your-domain.com/api/agents/allocate", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ durationHours: 24, desiredUnits: "10", optionType: 0 })
});
const alloc = await allocRes.json();
console.log("Required USDC Premium:", alloc.allocation.totalPremiumUsdc);

// 2. Request x402 payment specs
const mintRes = await fetch("https://your-domain.com/api/agents/mint", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ durationHours: 24, desiredUnits: "10", optionType: 0 })
});

if (mintRes.status === 402) {
  const x402Spec = await mintRes.json();
  console.log("x402 Payment Terms:", x402Spec.x402);

  // 3. Agent executes payment authorization header & mint execution
  const payRes = await fetch("https://your-domain.com/api/agents/mint", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "X-402-Payment": JSON.stringify({ signedAuthorization: "..." })
    },
    body: JSON.stringify({ durationHours: 24, desiredUnits: "10", optionType: 0 })
  });
  const receipt = await payRes.json();
  console.log("Option Mint Confirmed:", receipt);
}