From c14413adce0bedeed325d25cc0c31ec3e7b221ae Mon Sep 17 00:00:00 2001
From: Carl Wiles <131632522+CarlWiles@users.noreply.github.com>
Date: Thu, 5 Sep 2024 14:21:20 +0800
Subject: [PATCH] feat: support rho markets apy (#1477)

* feat: support rho markets apy

* feat: support rho markets borrow

* feat: refine rho markets info

* feat: refine rho markets info

* feat: refine rho markets info

* fix: borrow base apy

* feat: support ltv

---------

Co-authored-by: Carl <carl@rhomarkets.com>
---
 src/adaptors/rho-markets/index.js         | 95 +++++++++++++++++++++++
 src/adaptors/rho-markets/rho-markets.json | 94 ++++++++++++++++++++++
 2 files changed, 189 insertions(+)
 create mode 100644 src/adaptors/rho-markets/index.js
 create mode 100644 src/adaptors/rho-markets/rho-markets.json

diff --git a/src/adaptors/rho-markets/index.js b/src/adaptors/rho-markets/index.js
new file mode 100644
index 000000000..58672ab9b
--- /dev/null
+++ b/src/adaptors/rho-markets/index.js
@@ -0,0 +1,95 @@
+const sdk = require('@defillama/sdk');
+const utils = require('../utils');
+const abis = require('./rho-markets.json');
+const ethers = require('ethers');
+
+const markets_state = '0x5FcDf2257d240Ed53459fAb752E7738e1eF4FA3F';
+const chain = utils.formatChain('Scroll');
+const project = 'rho-markets';
+
+function calculateApy(supplyRatePerBlock, blocksPerYear) {
+  supplyRatePerBlock = BigInt(supplyRatePerBlock);
+  blocksPerYear = BigInt(blocksPerYear);
+
+  if (supplyRatePerBlock === 0n) return 0;
+
+  const SCALE = BigInt(1e18);
+
+  function pow(base, exponent) {
+    let result = SCALE;
+    let basePow = base;
+
+    while (exponent > 0n) {
+      if (exponent % 2n === 1n) {
+        result = (result * basePow) / SCALE;
+      }
+      basePow = (basePow * basePow) / SCALE;
+      exponent /= 2n;
+    }
+    return result;
+  }
+
+  const compounded = pow(SCALE + supplyRatePerBlock, blocksPerYear);
+  const rawData = (compounded - SCALE) * 100n;
+
+  const data = ethers.utils.formatEther(rawData.toString());
+  return Number(data);
+}
+
+const apy = async () => {
+  const allMarketsMetadata = (
+    await sdk.api.abi.call({
+      target: markets_state,
+      abi: abis.find((m) => m.name === 'getActiveMarketsInfo'),
+      chain: 'scroll',
+    })
+  ).output;
+
+  const pools = allMarketsMetadata.map((marketInfo, i) => {
+    const pool = `${marketInfo.token}-${chain}`.toLowerCase();
+    const underlyingSymbol = marketInfo.underlyingSymbol;
+
+    const poolMeta = `Rho ${underlyingSymbol} Market`;
+    const tvlUsd = Number(ethers.utils.formatEther(marketInfo.tvl.toString()));
+    const ltv = Number(ethers.utils.formatEther(marketInfo.ltv.toString()));
+    const totalSupplyUsd = Number(
+      ethers.utils.formatEther(marketInfo.totalSupply.toString())
+    );
+    const totalBorrowUsd = Number(
+      ethers.utils.formatEther(marketInfo.totalBorrows.toString())
+    );
+
+    const supplyRatePerBlock = marketInfo.supplyRatePerBlock;
+    const borrowRatePerBlock = marketInfo.borrowRatePerBlock;
+    const blocksPerYear = marketInfo.blocksPerYear;
+
+    const apyBase = calculateApy(supplyRatePerBlock, blocksPerYear);
+    const apyBaseBorrow = calculateApy(borrowRatePerBlock, blocksPerYear);
+
+    const url = `https://dapp.rhomarkets.xyz/market/${underlyingSymbol}`;
+
+    return {
+      pool,
+      chain,
+      project,
+      poolMeta,
+      ltv,
+      tvlUsd,
+      totalSupplyUsd,
+      totalBorrowUsd,
+      apyBase,
+      apyBaseBorrow,
+      symbol: underlyingSymbol,
+      underlyingTokens: [marketInfo.underlying],
+      url,
+    };
+  });
+
+  return pools;
+};
+
+module.exports = {
+  timetravel: false,
+  apy: apy,
+  url: 'https://dapp.rhomarkets.xyz/',
+};
diff --git a/src/adaptors/rho-markets/rho-markets.json b/src/adaptors/rho-markets/rho-markets.json
new file mode 100644
index 000000000..13ed95906
--- /dev/null
+++ b/src/adaptors/rho-markets/rho-markets.json
@@ -0,0 +1,94 @@
+[
+  {
+    "type": "constructor",
+    "inputs": [
+      {
+        "name": "_comptroller",
+        "type": "address",
+        "internalType": "address"
+      },
+      { "name": "_oracle", "type": "address", "internalType": "address" }
+    ],
+    "stateMutability": "nonpayable"
+  },
+  {
+    "type": "function",
+    "name": "comptroller",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "address",
+        "internalType": "contract Comptroller"
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "getActiveMarketsInfo",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "tuple[]",
+        "internalType": "struct MarketState.MarketsInfo[]",
+        "components": [
+          { "name": "tvl", "type": "uint256", "internalType": "uint256" },
+          { "name": "ltv", "type": "uint256", "internalType": "uint256" },
+          {
+            "name": "totalSupply",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "totalBorrows",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "supplyRatePerBlock",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "borrowRatePerBlock",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          {
+            "name": "blocksPerYear",
+            "type": "uint256",
+            "internalType": "uint256"
+          },
+          { "name": "token", "type": "address", "internalType": "address" },
+          {
+            "name": "underlying",
+            "type": "address",
+            "internalType": "address"
+          },
+          { "name": "symbol", "type": "string", "internalType": "string" },
+          {
+            "name": "underlyingSymbol",
+            "type": "string",
+            "internalType": "string"
+          }
+        ]
+      }
+    ],
+    "stateMutability": "view"
+  },
+  {
+    "type": "function",
+    "name": "oracle",
+    "inputs": [],
+    "outputs": [
+      {
+        "name": "",
+        "type": "address",
+        "internalType": "contract PriceOracleV2"
+      }
+    ],
+    "stateMutability": "view"
+  }
+]