index.ts

import { PythStakingClient } from "@pythnetwork/staking-sdk";
import { PublicKey } from "@solana/web3.js";
import { Connection, clusterApiUrl } from "@solana/web3.js";
import { argv } from "node:process";

const main = async () => {
  const walletPublicKey = new PublicKey(argv[2]);
  const stakeAccount = new PublicKey(argv[3]);
  const rewards = await new PythStakingClient({
    connection: new Connection(clusterApiUrl("mainnet-beta")),
    wallet: {
      publicKey: walletPublicKey,
      signAllTransactions: () => Promise.reject("Not implemented"),
      signTransaction: () => Promise.reject("Not implemented")
    }
  }).getClaimableRewards(stakeAccount);

  console.log("Claimable rewards: ", rewards.totalRewards);
}

main().catch((error: unknown) => console.error(error));