track jupiter lend

Author: g1nt0ki

projects/jupiter-lend/index.js

@@ -0,0 +1,32 @@
+const { getConfig } = require('../helper/cache')
+const { getProvider, sumTokens2 } = require('../helper/solana')
+const { Program } = require("@coral-xyz/anchor");
+
+async function getData() {
+  const LIQUIDITY_IDL_URL = "https://raw.githubusercontent.com/jup-ag/jupiter-lend/refs/heads/main/target/idl/liquidity.json";
+  const LIQUIDITY_PROGRAM_ID = "jupeiUmn818Jg1ekPURTpr4mFo29p46vygyykFJ3wZC";
+
+  const idl = await getConfig('jupiter-lend', LIQUIDITY_IDL_URL)
+  const provider = getProvider();
+  idl.metadata.address = LIQUIDITY_PROGRAM_ID;
+  const program = new Program(idl, provider);
+  return ( await program.account.tokenReserve.all()).map(i => i.account)
+}
+
+const EXCHANGE_PRICE_PRECISION = 1e12
+async function tvl() {
+  const tokenReserves = await getData();
+  const tokenAccounts = tokenReserves.map(i => i.vault.toBase58())
+  return sumTokens2({ tokenAccounts })
+}
+async function borrowed(api) {
+  const tokenReserves = await getData()
+  tokenReserves.forEach(i => {
+    const totalBorrowed = (+i.totalBorrowWithInterest.toString() * +i.borrowExchangePrice.toString() / EXCHANGE_PRICE_PRECISION) + +i.totalBorrowInterestFree.toString()
+    api.add(i.mint.toBase58(), totalBorrowed)
+  })
+}
+
+module.exports = {
+  solana: { tvl, borrowed, },
+}