Aqua Patina APY adapter (#1597)

* init

* calculate apy+tvl

* tvl calculation using BigInt to avoid potential overflows

* reads 10-day moving average

---------

Co-authored-by: 0xwildhare <[email protected]>

src/adaptors/aqua-patina/abi.json

@@ -0,0 +1,28 @@
+{
+    "totalSupply": {
+    "inputs": [],
+    "name": "totalSupply",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "totalSupply",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  "ethPerAPEth": {
+    "inputs": [],
+    "name": "ethPerAPEth",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "ethPerAPEth",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  }
+}

src/adaptors/aqua-patina/index.js

@@ -0,0 +1,54 @@
+const utils = require('../utils');
+const sdk = require('@defillama/sdk');
+const abi = require('./abi.json');
+const axios = require('axios');
+
+const APETH = '0xAaAaAAaBC6CBc3A1FD3a0fe0FDec43251C6562F5';
+const ETH = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'
+
+
+const getApy = async () => {
+    const apy = await utils.getData('https://wallet.aquapatina.com/api/apy_current');
+
+    tvl = await tvlUsd();
+
+    return [
+        {
+            pool: APETH,
+            chain: utils.formatChain('ethereum'),
+            project: 'aqua-patina',
+            symbol: utils.formatSymbol('APETH'),
+            tvlUsd: tvl,
+            apy: apy.data.apy,
+        },
+    ];
+};
+
+async function tvlUsd() {
+
+    const supply = await sdk.api.abi.call({
+        target: APETH,
+        abi: abi['totalSupply'],
+        chain: 'ethereum'
+    });
+
+    const multiplier = await sdk.api.abi.call({
+        target: APETH,
+        abi: abi['ethPerAPEth'],
+        chain: 'ethereum'
+    });
+
+    const ethPrice = (
+        await axios.get('https://coins.llama.fi/prices/current/coingecko:ethereum')
+    ).data.coins['coingecko:ethereum'].price;
+
+    let tvl = BigInt(supply.output) * BigInt(multiplier.output) / BigInt(1e18) / BigInt(1e18);
+
+    return Number(tvl) * ethPrice;
+}
+
+module.exports = {
+    timetravel: false,
+    apy: getApy,
+    url: 'https://aquapatina.eth/',
+};