AIR for Loyalty & Rewards

{
  "title": "Loyalty Tier",
  "description": "Brand loyalty membership tier credential",
  "properties": {
    "tier": {
      "type": "string",
      "enum": ["Bronze", "Silver", "Gold", "Platinum"],
      "description": "Current loyalty tier"
    },
    "totalPoints": {
      "type": "number",
      "description": "Lifetime points accumulated"
    },
    "memberSince": {
      "type": "string",
      "format": "date",
      "description": "Date of first loyalty enrollment"
    },
    "brandId": {
      "type": "string",
      "description": "Issuing brand identifier"
    }
  },
  "required": ["tier", "totalPoints", "brandId"]
}

// loyalty-engine.js
const { getPartnerJwt } = require('./lib/jwt'); // see Partner Authentication

const BASE_URL = 'https://api.sandbox.mocachain.org/v1'; // swap for prod URL on launch

async function issueLoyaltyCredential({ userEmail, tier, totalPoints, memberSince }) {
  const token = await getPartnerJwt(userEmail); // JWT must include scope: "issue"

  const res = await fetch(`${BASE_URL}/credentials/issue-on-behalf`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'x-partner-auth': token,
    },
    body: JSON.stringify({
      issuerDid: process.env.ISSUER_DID,          // Dashboard → Accounts → General
      credentialId: process.env.LOYALTY_CRED_ID,  // Dashboard → Issuer → Programs
      credentialSubject: { tier, totalPoints, memberSince, brandId: process.env.BRAND_ID },
      onDuplicate: 'revoke',  // upgrade tier by revoking old credential, issuing new one
    }),
  });

  if (!res.ok) throw new Error(`Issuance failed: ${res.status}`);
  const { coreClaimHash } = await res.json();
  return coreClaimHash;
}

// Hook into your existing loyalty event pipeline
loyaltyEngine.on('tier:upgrade', async ({ userEmail, newTier, totalPoints }) => {
  const hash = await issueLoyaltyCredential({
    userEmail,
    tier: newTier,
    totalPoints,
    memberSince: new Date().toISOString().split('T')[0],
  });
  console.log(`Loyalty credential issued: ${hash}`);
});

// loyalty-gate.js  (frontend)
import { AirService } from '@mocanetwork/airkit';

import { AirService, BUILD_ENV } from "@mocanetwork/airkit";

const airService = new AirService({ partnerId: process.env.PARTNER_ID });
await airService.init({ buildEnv: BUILD_ENV.SANDBOX }); // or BUILD_ENV.PRODUCTION

async function checkLoyaltyTier() {
  const result = await airService.verifyCredential({
    programId: process.env.LOYALTY_VERIFY_PROGRAM_ID, // Dashboard → Verifier → Programs
  });
  // Your verifier program rule: tier === "Gold" (or higher)
  return result.status === 'COMPLIANT';
}

const hasGoldStatus = await checkLoyaltyTier();
if (hasGoldStatus) {
  unlockPremiumContent();
} else {
  showUpgradePrompt();
}

async function waitForOnchain(userEmail, coreClaimHash, maxAttempts = 10) {
  const token = await getPartnerJwt(userEmail);
  for (let i = 0; i < maxAttempts; i++) {
    const res = await fetch(
      `${BASE_URL}/credentials/status?coreClaimHash=${encodeURIComponent(coreClaimHash)}`,
      { headers: { 'x-partner-auth': token } }
    );
    const { vcStatus } = await res.json();
    if (vcStatus === 'ONCHAIN') return true;
    await new Promise(r => setTimeout(r, 2000)); // wait 2 s between polls
  }
  return false;
}