Pinto Yield Adapter (#1711)

* Pinto Silo yields

* Update subgraph query

* Remove apyBase 0

Author: PintoPirate

src/adaptors/pinto/index.js

@@ -0,0 +1,87 @@
+const { request, gql } = require('graphql-request');
+const utils = require('../utils');
+const axios = require('axios');
+
+const START_TIME = 1732071601; // First silo yield distribution at Season 4.
+const API = "https://api.pinto.money/silo/yield"
+const SUBGRAPH = "https://graph.pinto.money/pinto/"
+
+async function getPools(timestamp = null) {
+  const pools = await getPoolsForChain("base", timestamp);
+  return pools.flat();
+}
+
+async function getPoolsForChain(chain, timestamp) {
+
+  if (timestamp && timestamp < START_TIME) {
+    return [];
+  }
+
+  const resultPools = [];
+
+  // When a timestamp is specified, determine which block to use
+  let block;
+  if (timestamp) {
+    [block] = await utils.getBlocksByTime([timestamp], chain);
+  }
+
+  // Query subgraph to identify each yield-bearing pool and its info
+  const poolData = await request(SUBGRAPH, gql`
+    {
+      beans${block ? `(block: {number: ${block}})` : ''} {
+        id
+        currentSeason {
+          season
+        }
+        pools {
+          id
+          liquidityUSD
+          tokens {
+            id
+            name
+          }
+        }
+      }
+    }`
+  );
+
+  for (const bean of poolData.beans) {
+
+    // Get apy info
+    const apy = await axios.post(API, {
+      season: bean.currentSeason.season,
+      emaWindows: [720],
+      tokens: bean.pools.map(p => p.id),
+      options: {
+        initType: 'NEW'
+      }
+    });
+    // Uses the available window if fewer datapoints were available
+    const yields = apy.data.yields[Object.keys(apy.data.yields)[0]];
+    const pools = bean.pools.filter(p => yields[p.id]);
+
+    // Add results for each pool
+    for (const pool of pools) {
+      // Sort PINTO to be first in the token list
+      const tokens = pool.tokens[0].name === 'PINTO' ? pool.tokens : [pool.tokens[1], pool.tokens[0]];
+      resultPools.push({
+        pool: (`${pool.id}-${chain}`).toLowerCase(),
+        chain: utils.formatChain(chain),
+        project: 'pinto',
+        symbol: `${tokens[0].name}-${tokens[1].name}`,
+        tvlUsd: parseInt(pool.liquidityUSD),
+        apyReward: Math.round(yields[pool.id].bean * 10000) / 100,
+        rewardTokens: [bean.id],
+        underlyingTokens: tokens.map(p => p.id.toLowerCase()),
+        poolMeta: 'Pinto Silo'
+      });
+    }
+  }
+  return resultPools;
+}
+
+module.exports = {
+  timetravel: true,
+  apy: getPools,
+  url: 'https://pinto.money/'
+};