feat: add DorkFi yield adapter (Algorand + Voi Network)

src/adaptors/dorkfi/index.js

@@ -0,0 +1,195 @@
+/**
+ * DorkFi — DefiLlama Yield Server Adapter
+ *
+ * Reports per-market supply and borrow APY for all DorkFi lending pools
+ * on Algorand and Voi Network.
+ *
+ * Interest Rate Model (kinked utilization curve):
+ *   utilization   = totalScaledBorrows / totalScaledDeposits
+ *   borrowRateBPS = borrowRate + utilization × slope   (fields in bps)
+ *   supplyRateBPS = borrowRateBPS × utilization × (1 − reserveFactor)
+ *   APY           = (1 + rateBPS/10000/365)^365 − 1
+ */
+
+const axios = require('axios');
+
+const API_BASE = 'https://dorkfi-api.nautilus.sh';
+const NETWORK  = { algorand: 'algorand-mainnet', voi: 'voi-mainnet' };
+const DL_CHAIN = { algorand: 'Algorand', voi: 'Voi Network' };
+const PROJECT  = 'dorkfi';
+const REQUEST_TIMEOUT_MS = 30_000;
+
+// ── Known market → token symbol mapping ──────────────────────────────────────
+// Voi Pool A (47139778) and Pool B (47139781)
+// Algorand Pool A (3333688282) and Pool B (3345940978)
+// Algorand symbols resolved from on-chain ASA metadata
+
+const MARKET_SYMBOLS = {
+  // Voi Pool A
+  41877720: 'VOI',
+  395614:   'aUSDC',
+  420069:   'UNIT',
+  47138068: 'WAD',
+  40153155: 'POW',
+  413153:   'aALGO',
+  40153308: 'aETH',
+  40153368: 'aWBTC',
+  40153415: 'acbBTC',
+  // Voi Pool B
+  300279:   'USDC',
+  412682:   'ALGO',
+  410111:   'USDT',
+  419744:   'AVAX',
+  302222:   'BNB',
+  410811:   'wBTC',
+  798968:   'MATIC',
+  420024:   'LINK',
+  8471125:  'SOL',
+  8324600:  'DOT',
+  828295:   'ADA',
+  770561:   'DOGE',
+  // Algorand Pool A + B — symbols from ASA on-chain metadata
+  3207744109: 'ALGO',
+  3211820549: 'goBTC',
+  3210682240: 'USDC',
+  3220125024: 'UNIT',
+  3080081069: 'POW',
+  3210709899: 'aVOI',
+  3211827406: 'WBTC',
+  3211806149: 'goETH',
+  3211811648: 'WETH',
+  3211838479: 'LINK',
+  3211883276: 'SOL',
+  3211885849: 'DOGE',
+  3490783147: 'tALGO',
+  3490854290: 'tALGO',
+  3211805086: 'FINITE',
+  3346185062: 'FOLKS',
+  3212524778: 'COOP',
+  3212773584: 'HAY',
+  3346408431: 'WAD',
+  3346881192: 'WAD',
+  3211890928: 'HAY',
+  3212768756: 'GOLD$',
+  3212531816: 'SOL',
+  3212534634: 'LINK',
+  3212771255: 'FOLKS',
+  3220347315: 'GOLD$',
+  3333688448: 'WAD',
+  3211740909: 'FINITE',
+};
+
+// ── Helpers ───────────────────────────────────────────────────────────────────
+
+async function fetchMarketData(chain) {
+  try {
+    const { data } = await axios.get(`${API_BASE}/market-data/${NETWORK[chain]}`, {
+      timeout: REQUEST_TIMEOUT_MS,
+    });
+    if (!data.success) return [];
+    return data.data || [];
+  } catch (error) {
+    console.warn(`DorkFi market data unavailable for ${chain}: ${error.message}`);
+    return [];
+  }
+}
+
+async function fetchAnalyticsTVL(chain) {
+  try {
+    const { data } = await axios.get(`${API_BASE}/analytics/tvl/${NETWORK[chain]}`, {
+      timeout: REQUEST_TIMEOUT_MS,
+    });
+    if (!data.success) return {};
+    const map = {};
+    for (const m of data.data.markets || []) map[`${m.appId}:${m.marketId}`] = m.tvl;
+    return map;
+  } catch (error) {
+    console.warn(`DorkFi TVL data unavailable for ${chain}: ${error.message}`);
+    return {};
+  }
+}
+
+function dedup(markets) {
+  const seen = new Map();
+  for (const m of markets) {
+    const key = `${m.appId}:${m.marketId}`;
+    if (!seen.has(key) || m.lastUpdated > seen.get(key).lastUpdated) seen.set(key, m);
+  }
+  return [...seen.values()];
+}
+
+// ── APY calculation ───────────────────────────────────────────────────────────
+
+function bpsToApy(rateBps) {
+  const r = rateBps / 10000;
+  return (Math.pow(1 + r / 365, 365) - 1) * 100;
+}
+
+function computeRates(market) {
+  const totalDep = Number(market.totalScaledDeposits || 0);
+  const totalBor = Number(market.totalScaledBorrows  || 0);
+  if (totalDep === 0) return { borrowApy: 0, supplyApy: 0, utilization: 0 };
+
+  const utilization   = totalBor / totalDep;
+  const borrowRate    = Number(market.borrowRate    || 0);
+  const slope         = Number(market.slope         || 0);
+  const reserveFactor = Number(market.reserveFactor || 0) / 10000;
+
+  const borrowBps = borrowRate + utilization * slope;
+  const supplyBps = borrowBps * utilization * (1 - reserveFactor);
+
+  return {
+    borrowApy:   parseFloat(bpsToApy(borrowBps).toFixed(4)),
+    supplyApy:   parseFloat(bpsToApy(supplyBps).toFixed(4)),
+    utilization,
+  };
+}
+
+function getUnderlyingTokens(market) {
+  return [String(market.marketId)];
+}
+
+// ── Main ──────────────────────────────────────────────────────────────────────
+
+const apy = async () => {
+  const results = [];
+
+  for (const chain of ['algorand', 'voi']) {
+    const [markets, tvlMap] = await Promise.all([
+      fetchMarketData(chain),
+      fetchAnalyticsTVL(chain),
+    ]);
+
+    for (const market of dedup(markets)) {
+      const key    = `${market.appId}:${market.marketId}`;
+      const hasTvl = Object.prototype.hasOwnProperty.call(tvlMap, key);
+      if (!hasTvl) {
+        console.warn(`DorkFi TVL missing for ${chain} market ${key}`);
+        continue;
+      }
+
+      const tvlUsd = tvlMap[key] || 0;
+      if (tvlUsd < 1) continue;
+
+      const { borrowApy, supplyApy } = computeRates(market);
+      const symbol = MARKET_SYMBOLS[market.marketId] || `ASA-${market.marketId}`;
+
+      results.push({
+        pool:          `dorkfi-${chain}-${market.appId}-${market.marketId}`,
+        chain:         DL_CHAIN[chain],
+        project:       PROJECT,
+        symbol,
+        tvlUsd,
+        apyBase:       supplyApy,
+        apyBaseBorrow: borrowApy,
+        underlyingTokens: getUnderlyingTokens(market),
+        poolMeta:      `Pool ${market.appId}`,
+        url:           'https://dork.fi',
+      });
+    }
+  }
+
+  return results;
+};
+
+module.exports = { apy, timeTravel: false, url: 'https://dork.fi' };