Feat: add rocky

src/adaptors/rocky/config.js

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+const config = {
+  sei: {
+    chainName: 'sei',
+    USDr: '0x53fdd705873d8259d6d179901fc3fdcb5339f921',
+    sUSDr: '0xc0029b98f09c9062056c14c0329d3a114a098617',
+  },
+};
+
+module.exports = { config };

src/adaptors/rocky/index.js

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+const utils = require('../utils');
+const sdk = require('@defillama/sdk');
+const ethers = require('ethers');
+const { config } = require('./config');
+const BigNumber = require('bignumber.js');
+
+// function getEstimatedAPR is misleading, it returns the estimated APY
+const getEstimatedAPR =
+  'function estimatedAPR() external view returns (uint256)';
+const getTotalAssets = 'function totalAssets() external view returns (uint256)';
+
+const getsUSDrData = async (chain, chainConfig) => {
+  const { chainName, USDr, sUSDr } = chainConfig;
+  let estimatedAPY;
+  let totalAssets;
+  const api = new sdk.ChainApi({ chain });
+  [estimatedAPY, totalAssets] = await Promise.all([
+    api.call({
+      abi: getEstimatedAPR,
+      target: sUSDr,
+    }),
+    api.call({
+      abi: getTotalAssets,
+      target: sUSDr,
+    }),
+  ]);
+
+  const tvlUsd = new BigNumber(
+    ethers.utils.formatUnits(totalAssets, 18)
+  ).toNumber();
+  const apyBase = new BigNumber(
+    ethers.utils.formatUnits(estimatedAPY, 16)
+  ).toNumber();
+
+  return {
+    pool: `${sUSDr}-rocky`.toLowerCase(),
+    chain: utils.formatChain(chainName),
+    project: 'rocky',
+    symbol: 'sUSDr',
+    tvlUsd: tvlUsd,
+    apyBase: apyBase,
+    rewardTokens: [USDr],
+    underlyingTokens: [USDr],
+    poolMeta: 'saving',
+  };
+};
+
+const main = async () => {
+  const markets = [];
+  for (let [chain, data] of Object.entries(config)) {
+    const result = await getsUSDrData(chain, data);
+    markets.push(result);
+  }
+  return markets;
+};
+
+module.exports = {
+  timetravel: false,
+  apy: main,
+  url: 'https://app.rocky.cash/earn',
+};