Staking & Farming Tutorial

// Install the required packages
npm install @saros-finance/sdk @solana/web3.js

// Import the necessary modules
import sarosSdk, { genConnectionSolana } from '@saros-finance/sdk';
import { PublicKey } from '@solana/web3.js';
import BN from 'bn.js';

// Extract the services we need
const { SarosFarmService, SarosStakeServices } = sarosSdk;

// Generate a connection to the Solana network
const connection = genConnectionSolana();

// Define your wallet address (in a real app, this would come from a connected wallet)
const accountSol = 'YOUR_WALLET_PUBLIC_KEY';

// Define the payer account object
const payerAccount = { publicKey: new PublicKey(accountSol) };

// Configure the farm parameters
const SAROS_FARM_ADDRESS = new PublicKey('SFarmWM5wLFNEw1q5ofqL7CrwBMwdcqQgK6oQuoBGZJ');

const farmParam = {
  lpAddress: 'HVUeNVH93PAFwJ67ENJwPWFU9cWcM57HEAmkFLFTcZkj',
  poolAddress: 'FW9hgAiUsFYpqjHaGCGw4nAvejz4tAp9qU7kFpYr1fQZ',
  poolLpAddress: '2wUvdZA8ZsY714Y5wUL9fkFmupJGGwzui2N74zqJWgty',
  rewards: [
    {
      address: 'C98A4nkJXhpVZNAZdHUA95RpTF3T4whtQubL3YobiUX9',
      poolRewardAddress: 'AC3FyChJwuU7EY9h4BqzjcN8CtGD7YRrAbeRdjcqe1AW',
      rewardPerBlock: 6600000,
      rewardTokenAccount: 'F6aHSR3ChwCXD67wrX2ZBHMkmmU9Gfm9QQmiTBrKvsmJ',
      id: 'coin98'
    },
  ],
  token0: 'C98A4nkJXhpVZNAZdHUA95RpTF3T4whtQubL3YobiUX9',
  token1: 'EPjFWdd5AufqSSqeM2qN1zzybapC8G4wEGGkZwyTDt1v',
  token0Id: 'coin98',
  token1Id: 'usd-coin'
};

// Get a list of available farms
try {
  const response = await SarosFarmService.getListPool({page: 1, size: 10});
  console.log('Available Farms:', response);
  return response;
} catch(err) {
  console.error('Error fetching farms:', err);
  return [];
}

// Stake LP tokens in a farm
const stakeAmount = new BN(100 * 1e6); // 100 tokens (6 decimals)

const hash = await SarosFarmService.stakePool(
  connection,
  payerAccount,
  new PublicKey(farmParam.poolAddress),
  stakeAmount,
  SAROS_FARM_ADDRESS,
  farmParam.rewards,
  new PublicKey(farmParam.lpAddress)
);

console.log(`Staking successful! Transaction hash: ${hash}`);

// Unstake LP tokens from a farm
const unStakeAmount = new BN(50 * 1e6); // 50 tokens (6 decimals)

const hash = await SarosFarmService.unStakePool(
  connection,
  payerAccount,
  new PublicKey(farmParam.poolAddress),
  new PublicKey(farmParam.lpAddress),
  unStakeAmount,
  SAROS_FARM_ADDRESS,
  farmParam.rewards,
  false // Set to true if want to unstake full balance
);

console.log(`Unstaking successful! Transaction hash: ${hash}`);

// Claim rewards from a farm
const poolRewardAddress = farmParam.rewards[0].poolRewardAddress;
const mintAddress = farmParam.rewards[0].address;

const hash = await SarosFarmService.claimReward(
  connection,
  payerAccount,
  new PublicKey(poolRewardAddress),
  new PublicKey(SAROS_FARM_ADDRESS),
  new PublicKey(mintAddress)
);

console.log(`Rewards claimed! Transaction hash: ${hash}`);