Buy tickets for another wallet (protocol)

import { stringToHex } from "viem";

const JACKPOT = "0x3bAe643002069dBCbcd62B1A4eb4C4A397d042a2";

// Recipient wallet (synthetic example)
const userWallet = "0x1111111111111111111111111111111111111111";
// Your wallet: earns referral fees on the purchase (optional)
const yourWallet = "0x2222222222222222222222222222222222222222";

// 1. Read the live ticket price and ball ranges
const drawingId = await jackpot.currentDrawingId();
const state = await jackpot.getDrawingState(drawingId);
const ticketPrice = state.ticketPrice; // USDC, 6 decimals

// 2. Define the tickets.
//    5 unique normals in [1, state.ballMax]; bonusball in [1, state.bonusballMax].
//    Do NOT hardcode the ranges: read ballMax / bonusballMax from getDrawingState().
const tickets = [{ normals: [7, 14, 21, 28, 30], bonusball: 12 }];

// 3. Approve USDC to the Jackpot contract (the contract that receives payment)
const totalCost = ticketPrice * BigInt(tickets.length);
await usdc.approve(JACKPOT, totalCost);

// 4. Buy: recipient is the other wallet; referrer (optional) is you
const tx = await jackpot.buyTickets(
    tickets,
    userWallet,                       // _recipient: the other wallet
    [yourWallet],                     // _referrers: you (or [] to skip)
    [1000000000000000000n],           // _referralSplit: 100% (1e18), or []
    stringToHex("my-purchase", { size: 32 }) // _source: your analytics label
);
await tx.wait();
// Tickets are minted directly to userWallet

GET /v1/wallets/{recipient}/tickets