avantisfi project (#1207)

* avantisfi project

* change project name

Author: skords

src/adaptors/avantis/abiVaultManager.js

@@ -0,0 +1,16 @@
+module.exports = [
+    {
+        "type": "function",
+        "name": "getReserveRatio",
+        "inputs": [{ "name": "_reserveAmount", "type": "uint256", "internalType": "uint256" }],
+        "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+        "stateMutability": "view"
+    },
+    {
+        "type": "function",
+        "name": "getProfitMultiplier",
+        "inputs": [],
+        "outputs": [{ "name": "", "type": "uint256", "internalType": "uint256" }],
+        "stateMutability": "view"
+    },
+]

src/adaptors/avantis/index.js

@@ -0,0 +1,106 @@
+const utils = require('../utils');
+const sdk = require('@defillama/sdk4');
+const abiVaultManager = require('./abiVaultManager');
+
+const ADDRESSES = {
+  base: {
+    'AvantisJuniorTranche': '0x944766f715b51967E56aFdE5f0Aa76cEaCc9E7f9',
+    'AvantisSeniorTranche': '0x83084cB182162473d6FEFfCd3Aa48BA55a7B66F7',
+    'AvantisVaultManager': '0xe9fB8C70aF1b99F2Baaa07Aa926FCf3d237348DD',
+    USDC: '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'
+  },
+};
+
+const API_BASE = 'https://api.avantisfi.com/v1/history/vaults/apr/';
+
+const main = async () => {
+  const [
+    jrData,
+    srData
+  ] = await Promise.all([
+    utils.getData(
+      `${API_BASE}${ADDRESSES.base.AvantisJuniorTranche}/7`
+    ),
+    utils.getData(
+      `${API_BASE}${ADDRESSES.base.AvantisSeniorTranche}/7`
+    ),
+  ]);
+
+  if (jrData.success === false || srData.success === false) {
+    throw new Error('API response is not successful');
+  }
+
+  const { averageApr: jrAverageApr, averageFee: jrAverageFee } = jrData
+  const { averageApr: srAverageApr, averageFee: srAverageFee } = srData
+
+  let [reserveRatio, profitMultiplier, jrTvl, srTvl] = await Promise.all([
+    sdk.api.abi.call({
+      target: ADDRESSES.base.AvantisVaultManager,
+      abi: abiVaultManager.find((m) => m.name === 'getReserveRatio'),
+      params: [0],
+      chain: "base"
+    }),
+    sdk.api.abi.call({
+      target: ADDRESSES.base.AvantisVaultManager,
+      abi: abiVaultManager.find((m) => m.name === 'getProfitMultiplier'),
+      chain: "base"
+    }),
+    sdk.api.abi.call({
+      abi: 'erc20:balanceOf',
+      target: ADDRESSES.base.USDC,
+      params: [ADDRESSES.base.AvantisJuniorTranche],
+      chain: "base"
+    }),
+    sdk.api.abi.call({
+      abi: 'erc20:balanceOf',
+      target: ADDRESSES.base.USDC,
+      params: [ADDRESSES.base.AvantisSeniorTranche],
+      chain: "base"
+    }),
+  ]);
+
+  jrTvl = jrTvl.output / 1e6;
+  srTvl = srTvl.output / 1e6;
+
+  const jrFeeSplit = parseFloat(profitMultiplier.output) * parseFloat(reserveRatio.output) / 100;
+
+  let adjApyJr = 0,
+    adjApySr = 0;
+
+  if (jrAverageApr > 0 && jrTvl > 0) {
+    adjApyJr = ((1 + jrAverageFee / jrTvl) ** 365 - 1) * jrFeeSplit;
+  }
+
+  if (srAverageApr > 0 && srTvl > 0) {
+    adjApySr = ((1 + srAverageFee / srTvl) ** 365 - 1) * (100 - jrFeeSplit);
+  }
+
+  return [
+    {
+      pool: `AVANTIS-${ADDRESSES.base.AvantisJuniorTranche}-base`.toLowerCase(),
+      chain: 'base',
+      project: 'avantis',
+      symbol: 'USDC',
+      poolMeta: 'junior',
+      tvlUsd: jrTvl,
+      apyBase: adjApyJr,
+      url: 'https://www.avantisfi.com/earn/junior',
+    },
+    {
+      pool: `AVANTIS-${ADDRESSES.base.AvantisSeniorTranche}-base`.toLowerCase(),
+      chain: 'base',
+      project: 'avantis',
+      symbol: 'USDC',
+      poolMeta: 'senior',
+      tvlUsd: srTvl,
+      apyBase: adjApySr,
+      url: 'https://www.avantisfi.com/earn/senior',
+    },
+  ];
+
+};
+
+module.exports = {
+  timetravel: false,
+  apy: main,
+};