Yield Farming Example

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

const { SarosFarmService } = sarosSdk;

const connection = genConnectionSolana();
const payerAccount = { publicKey: new PublicKey('YOUR_WALLET_PUBLIC_KEY') };

const SAROS_FARM_ADDRESS = new PublicKey('SFarmWM5wLFNEw1q5ofqL7CrwBMwdcqQgK6oQuoBGZJ');

const farmParams = {
  poolAddress: 'FW9hgAiUsFYpqjHaGCGw4nAvejz4tAp9qU7kFpYr1fQZ',
  lpAddress: 'HVUeNVH93PAFwJ67ENJwPWFU9cWcM57HEAmkFLFTcZkj',
  rewards: [{
    address: 'C98A4nkJXhpVZNAZdHUA95RpTF3T4whtQubL3YobiUX9',
    poolRewardAddress: 'AC3FyChJwuU7EY9h4BqzjcN8CtGD7YRrAbeRdjcqe1AW',
    rewardPerBlock: 6600000,
    rewardTokenAccount: 'F6aHSR3ChwCXD67wrX2ZBHMkmmU9Gfm9QQmiTBrKvsmJ',
  }]
};

async function farmTokens() {
  try {
    const farmAmount = new BN(100 * 1e6); // 100 LP tokens

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

    console.log('Farming started! Transaction hash:', hash);
    return { success: true, hash };
  } catch (error) {
    console.error('Farming failed:', error);
    return { success: false, message: error.message };
  }
}

async function unStakeTokens() {
  try {
    const unStakeAmount = new BN(50 * 1e6); // 50 LP tokens

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

    console.log('Tokens unstaked! Transaction hash:', hash);
    return { success: true, hash };
  } catch (error) {
    console.error('Unstaking failed:', error);
    return { success: false, message: error.message };
  }
}

async function claimRewards() {
  try {
    const poolRewardAddress = farmParams.rewards[0].poolRewardAddress;
    const mintAddress = farmParams.rewards[0].address;

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

    console.log('Rewards claimed! Transaction hash:', hash);
    return { success: true, hash };
  } catch (error) {
    console.error('Claim failed:', error);
    return { success: false, message: error.message };
  }
}

// Execute the operations
farmTokens().then(result => {
  if (result.success) {
    console.log("Farming started with hash:", result.hash);
  } else {
    console.log("Farming failed:", result.message);
  }
});

unStakeTokens().then(result => {
  if (result.success) {
    console.log("Tokens unstaked with hash:", result.hash);
  } else {
    console.log("Unstaking failed:", result.message);
  }
});

claimRewards().then(result => {
  if (result.success) {
    console.log("Rewards claimed with hash:", result.hash);
  } else {
    console.log("Claim failed:", result.message);
  }
});