msol tvl calculator

Author: nope-finance

solend-sdk/src/experimental/msol_tvl.ts

@@ -0,0 +1,53 @@
+/* eslint-disable no-unused-vars */
+import { Connection, PublicKey } from "@solana/web3.js";
+import {
+  SOLEND_PRODUCTION_PROGRAM_ID,
+  RESERVE_SIZE,
+  parseReserve,
+} from "../../dist";
+import { getAssociatedTokenAddress, getAccount } from "@solana/spl-token";
+
+const MSOL_MINT_PUBKEY = "mSoLzYCxHdYgdzU16g5QSh3i5K3z3KZK7ytfqcJm7So";
+// clone and replace with your rpc else this will probably error
+const SOLANA_RPC_ENDPOINT = "https://api.mainnet-beta.solana.com";
+
+const connection = new Connection(SOLANA_RPC_ENDPOINT);
+
+const main = async () => {
+  const resp = await connection.getProgramAccounts(
+    new PublicKey(SOLEND_PRODUCTION_PROGRAM_ID),
+    {
+      commitment: connection.commitment,
+      filters: [
+        {
+          dataSize: RESERVE_SIZE,
+        },
+      ],
+      encoding: "base64",
+    }
+  );
+
+  const reserves = resp.map((account) =>
+    parseReserve(account.pubkey, account.account, "base64")
+  );
+
+  const msolReserves = reserves.filter(
+    (reserve) =>
+      reserve?.info.liquidity.mintPubkey.toBase58() === MSOL_MINT_PUBKEY
+  );
+
+  const msolTokenAccounts = await Promise.all(
+    msolReserves.map(
+      async (reserve) =>
+        await getAccount(connection, reserve?.info.liquidity.supplyPubkey!)
+    )
+  );
+
+  const msolBalances = msolTokenAccounts.map(
+    (tokenAccounts) => tokenAccounts.amount
+  );
+
+  console.log(msolBalances.reduce((a, b) => a + b).toString());
+};
+
+main();

solend-sdk/src/state/reserve.ts

@@ -141,10 +141,7 @@ export const ReserveLayout: typeof BufferLayout.Structure = BufferLayout.struct(
     BufferLayout.struct(
       [
         BufferLayout.struct(
-          [
-            Layout.uint64("maxOutflow"),
-            Layout.uint64("windowDuration"),
-          ],
+          [Layout.uint64("maxOutflow"), Layout.uint64("windowDuration")],
           "config"
         ),
         Layout.uint128("previousQuantity"),

solend-sdk/tsconfig.json

@@ -12,6 +12,9 @@
     "esModuleInterop": true,
     "typeRoots": ["./types", "./node_modules/@types"]
   },
+  "ts-node": {
+    "files": true
+  },
   "include": ["src/**/*"],
   "exclude": ["src/experimental/*"]
 }