add project jpow-ai (#13709)

projects/jpow/index.js

@@ -0,0 +1,40 @@
+const { PublicKey } = require("@solana/web3.js");
+const { sumTokens2 } = require('../helper/solana');
+
+const JPOW_PROGRAM_ID = new PublicKey('3APJcbC2iHEFGv4y6a8Fi5nQ5u75ML85TQreSr7cpRDs');
+
+const DEPOSITORY_SEED = "DEPOSITORY";
+
+// get collateral tokens supported by JPOW lending protocol
+async function fetchCollateralTokens() {
+    const response = await fetch('https://api.jpow.ai/lending/metrics');
+    const data = await response.json();
+    return data.assets.map(asset => new PublicKey(asset.contractAddress));
+}
+
+async function tvl() {
+    const tokensAndOwners = [];
+    const collaterals = await fetchCollateralTokens();
+
+    // get depository of each collateral
+    for (let i = 0; i < collaterals.length; i++) {
+        const [depositoryPda] = PublicKey.findProgramAddressSync(
+            [Buffer.from(DEPOSITORY_SEED), collaterals[i].toBuffer()],
+            JPOW_PROGRAM_ID
+        );
+
+        tokensAndOwners.push([
+            collaterals[i],
+            depositoryPda
+        ]);
+    }
+    return sumTokens2({ tokensAndOwners });
+}
+
+
+module.exports = {
+    timetravel: false,
+    solana: {
+      tvl,
+    }
+  };