feat: nucleus vault yields (#1664)

src/adaptors/nucleus/index.js

@@ -0,0 +1,52 @@
+const utils = require('../utils');
+const sdk = require('@defillama/sdk');
+
+const vaultData = async () => {
+  const vaults = await utils.getData(
+    'https://backend.nucleusearn.io/v1/protocol/markets'
+  );
+  const tokens = await utils.getData(
+    'https://backend.nucleusearn.io/v1/protocol/tokens'
+  );
+
+  let pools = [];
+  await Promise.all(
+    Object.keys(vaults).map(async (vaultAddress) => {
+      try {
+        const vaultApyQuery = await utils.getData(
+          `https://backend.nucleusearn.io/v1/vaults/apy?token_address=${vaultAddress}&lookback_days=14`
+        );
+        const vaultSymbol = await sdk.api2.erc20.symbol(vaultAddress);
+
+        const ethereumApi = new sdk.ChainApi({ chain: 'ethereum' });
+        const vaultBalances = await ethereumApi.sumTokens({
+          owner: vaultAddress,
+          tokens: tokens,
+        });
+        const usdBalance = await ethereumApi.getUSDValue();
+        console.log('Vault TVL: ', usdBalance);
+
+        console.log('Vault Symbol: ', vaultSymbol);
+        const pool = {
+          pool: `${vaultAddress}-ethereum`,
+          chain: 'Ethereum',
+          project: 'nucleus',
+          symbol: vaultSymbol.output,
+          tvlUsd: usdBalance,
+          apy: vaultApyQuery.apy, // 14 days apy
+        };
+        pools.push(pool);
+      } catch (error) {
+        console.error(`Error processing vault: ${vaultAddress}`, error);
+      }
+    })
+  );
+
+  return pools;
+};
+
+module.exports = {
+  timetravel: false,
+  apy: vaultData,
+  url: 'https://app.nucleusearn.io/dashboard',
+};