Monitor Stablecoin Depeg Risk

const API_BASE = 'https://api.webacy.com';
const API_KEY = process.env.WEBACY_API_KEY;

const headers = { 'x-api-key': API_KEY };

// Fetch all stablecoins with risk data
async function fetchStablecoins(chain?: string) {
  const params = new URLSearchParams({
    sort: 'score',
    order: 'desc',
    pageSize: '100',
  });
  if (chain) params.set('chain', chain);

  const res = await fetch(`${API_BASE}/rwa?${params}`, { headers });
  const { data } = await res.json();
  return data;
}

// Get detailed risk for a specific token
async function getTokenDetail(address: string, chain: string, hours = 168) {
  const res = await fetch(
    `${API_BASE}/rwa/${address}?chain=${chain}&hours=${hours}`,
    { headers }
  );
  return res.json();
}

// Classify tokens by risk tier
function classifyRisk(tokens: any[]) {
  const alerts = { critical: [], warning: [], watch: [] };

  for (const token of tokens) {
    if (token.tier === 'critical') alerts.critical.push(token);
    else if (token.tier === 'warning') alerts.warning.push(token);
    else if (token.tier === 'watch') alerts.watch.push(token);
  }

  return alerts;
}

// Monitor a portfolio of stablecoins
async function monitorPortfolio(holdings: { address: string; chain: string }[]) {
  const results = [];

  for (const { address, chain } of holdings) {
    const detail = await getTokenDetail(address, chain);
    results.push({
      symbol: detail.symbol,
      chain,
      riskScore: detail.riskScore,
      tier: detail.tier,
      price: detail.price,
    });
  }

  // Sort by risk (highest first)
  results.sort((a, b) => b.riskScore - a.riskScore);

  for (const token of results) {
    const icon = token.tier === 'critical' ? '!!' :
                 token.tier === 'warning' ? '!' : '-';
    console.log(
      `[${icon}] ${token.symbol} (${token.chain}) — ` +
      `Rating: ${token.riskScore}/100, Price: $${token.price}`
    );
  }

  return results;
}

// Example: monitor a treasury portfolio
await monitorPortfolio([
  { address: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', chain: 'eth' },  // USDC
  { address: '0xdAC17F958D2ee523a2206206994597C13D831ec7', chain: 'eth' },  // USDT
  { address: '0x6B175474E89094C44Da98b954EedeAC495271d0F', chain: 'eth' },  // DAI
]);