Claim User Rewards

import {
  createSolanaRpc,
  createSolanaRpcSubscriptions,
  address,
  pipe,
  createTransactionMessage,
  setTransactionMessageFeePayerSigner,
  setTransactionMessageLifetimeUsingBlockhash,
  appendTransactionMessageInstructions,
  signTransactionMessageWithSigners,
  sendAndConfirmTransactionFactory,
  getSignatureFromTransaction,
} from '@solana/kit';
import { KaminoMarket, parseKeypairFile, VanillaObligation, PROGRAM_ID } from '@kamino-finance/klend-sdk';
import { Farms } from '@kamino-finance/farms-sdk';

// Configuration - UPDATE THESE VALUES
const KEYPAIR_FILE = '/path/to/your/keypair.json';

// Load keypair from file
const signer = await parseKeypairFile(KEYPAIR_FILE);

// Initialize RPC and RPC Subscriptions
const rpc = createSolanaRpc('https://api.mainnet-beta.solana.com');
const rpcSubscriptions = createSolanaRpcSubscriptions('wss://api.mainnet-beta.solana.com');

const marketPubkey = address('7u3HeHxYDLhnCoErrtycNokbQYbWGzLs6JSDqGAv5PfF');
const market = await KaminoMarket.load(rpc, marketPubkey, 400);

// Get obligation address for delegatees array
const kaminoObligation = await market!.getObligationByWallet(signer.address, new VanillaObligation(PROGRAM_ID));
if (!kaminoObligation) {
  throw new Error('No obligation found');
}

console.log('Obligation:', kaminoObligation.obligationAddress.toString());

// Build claim instructions using farms-sdk
const farm = new Farms(rpc);
const claimIxs = await farm.claimForUserForFarmAllRewardsIx(
  signer, // payer
  signer.address, // user (wallet address = owner)
  address('Gsoc83qRQ5X1LfGGbPqU2FdxZnveqbkP2vMXq6BcmtMk'), // farm
  true, // isDelegated = true for lending farms
  [signer.address, kaminoObligation.obligationAddress] // delegatees array
);

const { value: latestBlockhash } = await rpc.getLatestBlockhash({ commitment: 'finalized' }).send();
const claimTx = pipe(
  createTransactionMessage({ version: 0 }),
  (tx) => setTransactionMessageFeePayerSigner(signer, tx),
  (tx) => setTransactionMessageLifetimeUsingBlockhash(latestBlockhash, tx),
  (tx) => appendTransactionMessageInstructions(claimIxs, tx)
);
const claimSigned = await signTransactionMessageWithSigners(claimTx);
const claimSignature = getSignatureFromTransaction(claimSigned);

await sendAndConfirmTransactionFactory({ rpc, rpcSubscriptions })(claimSigned, {
  commitment: 'confirmed',
  skipPreflight: true,
});

console.log(`Claim farm rewards successful! Signature: ${claimSignature}`);