Add Origin Ether (OETH)

src/adaptors/origin-ether/index.js

@@ -0,0 +1,54 @@
+const { ethers, Contract, BigNumber } = require('ethers');
+const utils = require('../utils');
+
+const PROVIDER_URL = process.env.ALCHEMY_CONNECTION_ETHEREUM;
+
+const vaultABI = [
+  'function totalValue() view returns (uint256)',
+  'function priceUnitRedeem(address asset) view returns (uint256)',
+]
+
+const vaultAddress = '0x39254033945AA2E4809Cc2977E7087BEE48bd7Ab'
+
+const poolsFunction = async () => {
+  const provider = new ethers.providers.JsonRpcProvider(PROVIDER_URL);
+  const vault = new Contract(vaultAddress, vaultABI, provider);
+
+  const apyData = await utils.getData(
+    'https://analytics.ousd.com/api/v2/oeth/apr/trailing'
+  );
+  const totalValueEth = await vault.totalValue();
+
+  const priceData = await utils.getData(
+    'https://coins.llama.fi/prices/current/coingecko:ethereum?searchWidth=4h'
+  );
+  const ethPrice = priceData.coins['coingecko:ethereum'].price
+
+  const tvlUsd = totalValueEth
+    .mul(ethers.utils.parseEther(ethPrice.toString()))
+    .div(BigNumber.from('10').pow(36 - 8))
+    .toNumber() / 10**8
+
+  const oethData = {
+    pool: 'origin-ether',
+    chain: 'Ethereum',
+    project: 'origin-ether',
+    symbol: 'OETH',
+    tvlUsd,
+    apy: Number(apyData.apy),
+    underlyingTokens: [
+      '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', // WETH
+      '0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84', // stETH
+      '0xae78736Cd615f374D3085123A210448E74Fc6393', // rETH
+      '0x5e8422345238f34275888049021821e8e08caa1f', // frxETH
+    ],
+  };
+
+  return [oethData];
+};
+
+module.exports = {
+  timetravel: false,
+  apy: poolsFunction,
+  url: 'https://oeth.com',
+};