track bera bend #16763

projects/berachain-bend/index.js

@@ -0,0 +1,56 @@
+
+const { cachedGraphQuery } = require("../helper/cache");
+const { sumTokens2, nullAddress } = require('../helper/unwrapLPs')
+
+const MORPHO_BLUE_ADDRESS = "0x24147243f9c08d835C218Cda1e135f8dFD0517D0";
+
+const BERACHAIN_API = "https://api.berachain.com";
+
+const getWhitelistedVaults = async () => {
+  const data = await cachedGraphQuery('bera-bend', BERACHAIN_API, `
+      {
+          polGetRewardVaults(where: {protocolsIn: ["Bend"], includeNonWhitelisted: false}) {
+              vaults {
+                  stakingTokenAddress
+              }
+          }
+      }
+  `);
+  return data.polGetRewardVaults.vaults.map(v => v.stakingTokenAddress);
+}
+
+const getMarketFromWhitelistedVaults = async (api) => {
+  const whitelistedVaults = await getWhitelistedVaults();
+
+  const markets = await api.fetchList({ lengthAbi: 'withdrawQueueLength', itemAbi: "function withdrawQueue(uint256 index) view returns (bytes32)", targets: whitelistedVaults })
+  return markets
+}
+
+const tvl = async (api) => {
+  const markets = await getMarketFromWhitelistedVaults(api)
+  const marketInfos = await api.multiCall({ target: MORPHO_BLUE_ADDRESS, calls: markets, abi: abi.idToMarketParams })
+  const tokens = [...new Set(marketInfos.flatMap(({ collateralToken, loanToken }) => [collateralToken, loanToken]))].filter((token => token != nullAddress))
+  return sumTokens2({ api, owner: MORPHO_BLUE_ADDRESS, tokens })
+}
+
+const borrowed = async (api) => {
+  const markets = await getMarketFromWhitelistedVaults(api)
+  const marketInfos = await api.multiCall({ target: MORPHO_BLUE_ADDRESS, calls: markets, abi: abi.idToMarketParams })
+  const marketDatas = await api.multiCall({ target: MORPHO_BLUE_ADDRESS, calls: markets, abi: abi.market })
+
+  marketDatas.forEach((data, idx) => {
+    const { _, loanToken } = marketInfos[idx];
+    api.add(loanToken, data.totalBorrowAssets);
+  });
+}
+
+module.exports = {
+  berachain: {
+    tvl, borrowed
+  }
+}
+
+const abi = {
+  "idToMarketParams": "function idToMarketParams(bytes32 Id) returns (address loanToken, address collateralToken, address oracle, address irm, uint256 lltv)",
+  "market": "function market(bytes32 input) returns (uint128 totalSupplyAssets, uint128 totalSupplyShares, uint128 totalBorrowAssets, uint128 totalBorrowShares, uint128 lastUpdate, uint128 fee)"
+}