Staking

Obtener los validadores actuales

Podemos hacer stake de SOL y ganar recompensas por ayudar a asegurar la red. Para hacer stake, delegamos SOL a validadores que a su vez procesan transacciones.

import { clusterApiUrl, Connection } from "@solana/web3.js";

(async () => {
  const connection = new Connection(clusterApiUrl("devnet"), "confirmed");

  // Get all validators, categorized by current (i.e. active) and deliquent (i.e. inactive)
  const { current, delinquent } = await connection.getVoteAccounts();
  console.log("current validators: ", current);
  console.log("all validators: ", current.concat(delinquent));
})();

solana validators

¿Crear una cuenta de stake?

Todas las instrucciones de staking son manejadas por el Stake Program. Para empezar, creamos una Cuenta de Stake que es creada y administrada de manera diferente que una Cuenta del sistema. En particular, debemos establecer la Autoridad de Stake y la Autoridad de retiro de la cuenta.

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import {
  clusterApiUrl,
  Connection,
  Keypair,
  LAMPORTS_PER_SOL,
  StakeProgram,
  Authorized,
  sendAndConfirmTransaction,
  Lockup,
} from "@solana/web3.js";

(async () => {
  // Setup our connection and wallet
  const connection = new Connection(clusterApiUrl("devnet"), "confirmed");
  const wallet = Keypair.generate();

  // Fund our wallet with 1 SOL
  const airdropSignature = await connection.requestAirdrop(
    wallet.publicKey,
    LAMPORTS_PER_SOL
  );
  await connection.confirmTransaction(airdropSignature);

  // Create a keypair for our stake account
  const stakeAccount = Keypair.generate();

  // Calculate how much we want to stake
  const minimumRent = await connection.getMinimumBalanceForRentExemption(
    StakeProgram.space
  );
  const amountUserWantsToStake = LAMPORTS_PER_SOL / 2; // This is can be user input. For now, we'll hardcode to 0.5 SOL
  const amountToStake = minimumRent + amountUserWantsToStake;

  // Setup a transaction to create our stake account
  // Note: `StakeProgram.createAccount` returns a `Transaction` preconfigured with the necessary `TransactionInstruction`s
  const createStakeAccountTx = StakeProgram.createAccount({
    authorized: new Authorized(wallet.publicKey, wallet.publicKey), // Here we set two authorities: Stake Authority and Withdrawal Authority. Both are set to our wallet.
    fromPubkey: wallet.publicKey,
    lamports: amountToStake,
    lockup: new Lockup(0, 0, wallet.publicKey), // Optional. We'll set this to 0 for demonstration purposes.
    stakePubkey: stakeAccount.publicKey,
  });

  const createStakeAccountTxId = await sendAndConfirmTransaction(
    connection,
    createStakeAccountTx,
    [
      wallet,
      stakeAccount, // Since we're creating a new stake account, we have that account sign as well
    ]
  );
  console.log(`Stake account created. Tx Id: ${createStakeAccountTxId}`);

  // Check our newly created stake account balance. This should be 0.5 SOL.
  let stakeBalance = await connection.getBalance(stakeAccount.publicKey);
  console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);

  // Verify the status of our stake account. This will start as inactive and will take some time to activate.
  let stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);
})();

// Setup a transaction to create our stake account
// Note: `StakeProgram.createAccount` returns a `Transaction` preconfigured with the necessary `TransactionInstruction`s
const createStakeAccountTx = StakeProgram.createAccount({
  authorized: new Authorized(wallet.publicKey, wallet.publicKey), // Here we set two authorities: Stake Authority and Withdrawal Authority. Both are set to our wallet.
  fromPubkey: wallet.publicKey,
  lamports: amountToStake,
  lockup: new Lockup(0, 0, wallet.publicKey), // Optional. We'll set this to 0 for demonstration purposes.
  stakePubkey: stakeAccount.publicKey,
});

const createStakeAccountTxId = await sendAndConfirmTransaction(
  connection,
  createStakeAccountTx,
  [
    wallet,
    stakeAccount, // Since we're creating a new stake account, we have that account sign as well
  ]
);
console.log(`Stake account created. Tx Id: ${createStakeAccountTxId}`);

// Check our newly created stake account balance. This should be 0.5 SOL.
let stakeBalance = await connection.getBalance(stakeAccount.publicKey);
console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);

// Verify the status of our stake account. This will start as inactive and will take some time to activate.
let stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
console.log(`Stake account status: ${stakeStatus.state}`);

Delegar Stake

Una vez que una cuenta de stake tiene fondos, la Autoridad de stake puede delegarla a un validador. Cada cuenta de participación solo se puede delegar a un validador a la vez. Además, todos los tokens de la cuenta deben ser delegados o no delegados. Una vez delegada, se necesitan varias épocas (epoch) para que una cuenta de participación se active.

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import {
  clusterApiUrl,
  Connection,
  Keypair,
  LAMPORTS_PER_SOL,
  StakeProgram,
  Authorized,
  sendAndConfirmTransaction,
  Lockup,
  PublicKey,
} from "@solana/web3.js";

(async () => {
  // Setup our connection and wallet
  const connection = new Connection(clusterApiUrl("devnet"), "confirmed");
  const wallet = Keypair.generate();

  // Fund our wallet with 1 SOL
  const airdropSignature = await connection.requestAirdrop(
    wallet.publicKey,
    LAMPORTS_PER_SOL
  );
  await connection.confirmTransaction(airdropSignature);

  // Create a keypair for our stake account
  const stakeAccount = Keypair.generate();

  // Calculate how much we want to stake
  const minimumRent = await connection.getMinimumBalanceForRentExemption(
    StakeProgram.space
  );
  const amountUserWantsToStake = LAMPORTS_PER_SOL / 2; // This is can be user input. For now, we'll hardcode to 0.5 SOL
  const amountToStake = minimumRent + amountUserWantsToStake;

  // Setup a transaction to create our stake account
  // Note: `StakeProgram.createAccount` returns a `Transaction` preconfigured with the necessary `TransactionInstruction`s
  const createStakeAccountTx = StakeProgram.createAccount({
    authorized: new Authorized(wallet.publicKey, wallet.publicKey), // Here we set two authorities: Stake Authority and Withdrawal Authority. Both are set to our wallet.
    fromPubkey: wallet.publicKey,
    lamports: amountToStake,
    lockup: new Lockup(0, 0, wallet.publicKey), // Optional. We'll set this to 0 for demonstration purposes.
    stakePubkey: stakeAccount.publicKey,
  });

  const createStakeAccountTxId = await sendAndConfirmTransaction(
    connection,
    createStakeAccountTx,
    [
      wallet,
      stakeAccount, // Since we're creating a new stake account, we have that account sign as well
    ]
  );
  console.log(`Stake account created. Tx Id: ${createStakeAccountTxId}`);

  // Check our newly created stake account balance. This should be 0.5 SOL.
  let stakeBalance = await connection.getBalance(stakeAccount.publicKey);
  console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);

  // Verify the status of our stake account. This will start as inactive and will take some time to activate.
  let stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);

  // To delegate our stake, we first have to select a validator. Here we get all validators and select the first active one.
  const validators = await connection.getVoteAccounts();
  const selectedValidator = validators.current[0];
  const selectedValidatorPubkey = new PublicKey(selectedValidator.votePubkey);

  // With a validator selected, we can now setup a transaction that delegates our stake to their vote account.
  const delegateTx = StakeProgram.delegate({
    stakePubkey: stakeAccount.publicKey,
    authorizedPubkey: wallet.publicKey,
    votePubkey: selectedValidatorPubkey,
  });

  const delegateTxId = await sendAndConfirmTransaction(connection, delegateTx, [
    wallet,
  ]);
  console.log(
    `Stake account delegated to ${selectedValidatorPubkey}. Tx Id: ${delegateTxId}`
  );

  // Check in on our stake account. It should now be activating.
  stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);
})();

// With a validator selected, we can now setup a transaction that delegates our stake to their vote account.
const delegateTx = StakeProgram.delegate({
  stakePubkey: stakeAccount.publicKey,
  authorizedPubkey: wallet.publicKey,
  votePubkey: selectedValidatorPubkey,
});

const delegateTxId = await sendAndConfirmTransaction(connection, delegateTx, [
  wallet,
]);
console.log(
  `Stake account delegated to ${selectedValidatorPubkey}. Tx Id: ${delegateTxId}`
);

// Check in on our stake account. It should now be activating.
stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
console.log(`Stake account status: ${stakeStatus.state}`);

Obtener el delegador por los validadores

Es posible que varias cuentas hayan hecho stake a una cuenta de validador en particular. Para obtener todos los participantes, utilizaremos la API getProgramAccounts o getParsedProgramAccounts. Consulte la sección de guías para obtener más información. Las cuentas de participación tienen una longitud de 200 bytes y la clave pública del votante comienza en 124 bytes. Referencia

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import { clusterApiUrl, Connection, PublicKey } from "@solana/web3.js";

(async () => {
  const STAKE_PROGRAM_ID = new PublicKey(
    "Stake11111111111111111111111111111111111111"
  );
  const VOTE_PUB_KEY = "27MtjMSAQ2BGkXNuJEJkxFyCJT8dugGAaHJ9T7Gc6x4x";

  const connection = new Connection(clusterApiUrl("mainnet-beta"), "confirmed");
  const accounts = await connection.getParsedProgramAccounts(STAKE_PROGRAM_ID, {
    filters: [
      {
        dataSize: 200, // number of bytes
      },
      {
        memcmp: {
          offset: 124, // number of bytes
          bytes: VOTE_PUB_KEY, // base58 encoded string
        },
      },
    ],
  });

  console.log(`Accounts for program ${STAKE_PROGRAM_ID}: `);
  console.log(
    `Total number of delegators found for ${VOTE_PUB_KEY} is: ${accounts.length}`
  );
  if (accounts.length)
    console.log(`Sample delegator:`, JSON.stringify(accounts[0]));

  /*
  // Output

    Accounts for program Stake11111111111111111111111111111111111111: 
    Total number of delegators found for 27MtjMSAQ2BGkXNuJEJkxFyCJT8dugGAaHJ9T7Gc6x4x is: 184
    Sample delegator: 
    {
      "account": {
        "data": {
          "parsed": {
            "info": {
              "meta": {
                "authorized": {
                  "staker": "3VDVh3rHTLkNJp6FVYbuFcaihYBFCQX5VSBZk23ckDGV",
                  "withdrawer": "EhYXq3ANp5nAerUpbSgd7VK2RRcxK1zNuSQ755G5Mtxx"
                },
                "lockup": {
                  "custodian": "3XdBZcURF5nKg3oTZAcfQZg8XEc5eKsx6vK8r3BdGGxg",
                  "epoch": 0,
                  "unixTimestamp": 1822867200
                },
                "rentExemptReserve": "2282880"
              },
              "stake": {
                "creditsObserved": 58685367,
                "delegation": {
                  "activationEpoch": "208",
                  "deactivationEpoch": "18446744073709551615",
                  "stake": "433005300621",
                  "voter": "27MtjMSAQ2BGkXNuJEJkxFyCJT8dugGAaHJ9T7Gc6x4x",
                  "warmupCooldownRate": 0.25
                }
              }
            },
            "type": "delegated"
          },
          "program": "stake",
          "space": 200
        },
        "executable": false,
        "lamports": 433012149261,
        "owner": {
          "_bn": "06a1d8179137542a983437bdfe2a7ab2557f535c8a78722b68a49dc000000000"
        },
        "rentEpoch": 264
      },
      "pubkey": {
        "_bn": "0dc8b506f95e52c9ac725e714c7078799dd3268df562161411fe0916a4dc0a43"
      }
    }

  */
})();

const STAKE_PROGRAM_ID = new PublicKey(
  "Stake11111111111111111111111111111111111111"
);
const VOTE_PUB_KEY = "27MtjMSAQ2BGkXNuJEJkxFyCJT8dugGAaHJ9T7Gc6x4x";

const connection = new Connection(clusterApiUrl("mainnet-beta"), "confirmed");
const accounts = await connection.getParsedProgramAccounts(STAKE_PROGRAM_ID, {
  filters: [
    {
      dataSize: 200, // number of bytes
    },
    {
      memcmp: {
        offset: 124, // number of bytes
        bytes: VOTE_PUB_KEY, // base58 encoded string
      },
    },
  ],
});

console.log(`Accounts for program ${STAKE_PROGRAM_ID}: `);
console.log(
  `Total number of delegators found for ${VOTE_PUB_KEY} is: ${accounts.length}`
);
if (accounts.length)
  console.log(`Sample delegator:`, JSON.stringify(accounts[0]));

/*
// Output

  Accounts for program Stake11111111111111111111111111111111111111: 
  Total number of delegators found for 27MtjMSAQ2BGkXNuJEJkxFyCJT8dugGAaHJ9T7Gc6x4x is: 184
  Sample delegator: 
  {
    "account": {
      "data": {
        "parsed": {
          "info": {
            "meta": {
              "authorized": {
                "staker": "3VDVh3rHTLkNJp6FVYbuFcaihYBFCQX5VSBZk23ckDGV",
                "withdrawer": "EhYXq3ANp5nAerUpbSgd7VK2RRcxK1zNuSQ755G5Mtxx"
              },
              "lockup": {
                "custodian": "3XdBZcURF5nKg3oTZAcfQZg8XEc5eKsx6vK8r3BdGGxg",
                "epoch": 0,
                "unixTimestamp": 1822867200
              },
              "rentExemptReserve": "2282880"
            },
            "stake": {
              "creditsObserved": 58685367,
              "delegation": {
                "activationEpoch": "208",
                "deactivationEpoch": "18446744073709551615",
                "stake": "433005300621",
                "voter": "27MtjMSAQ2BGkXNuJEJkxFyCJT8dugGAaHJ9T7Gc6x4x",
                "warmupCooldownRate": 0.25
              }
            }
          },
          "type": "delegated"
        },
        "program": "stake",
        "space": 200
      },
      "executable": false,
      "lamports": 433012149261,
      "owner": {
        "_bn": "06a1d8179137542a983437bdfe2a7ab2557f535c8a78722b68a49dc000000000"
      },
      "rentEpoch": 264
    },
    "pubkey": {
      "_bn": "0dc8b506f95e52c9ac725e714c7078799dd3268df562161411fe0916a4dc0a43"
    }
  }
  
*/

Desactivar Stake

En cualquier momento después de delegar una cuenta de Stake, la Autoridad de Stake puede optar por desactivar la cuenta. La desactivación puede tardar varias épocas en completarse y es necesaria antes de retirar cualquier SOL.

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import {
  clusterApiUrl,
  Connection,
  Keypair,
  LAMPORTS_PER_SOL,
  StakeProgram,
  Authorized,
  sendAndConfirmTransaction,
  Lockup,
  PublicKey,
} from "@solana/web3.js";

(async () => {
  // Setup our connection and wallet
  const connection = new Connection(clusterApiUrl("devnet"), "confirmed");
  const wallet = Keypair.generate();

  // Fund our wallet with 1 SOL
  const airdropSignature = await connection.requestAirdrop(
    wallet.publicKey,
    LAMPORTS_PER_SOL
  );
  await connection.confirmTransaction(airdropSignature);

  // Create a keypair for our stake account
  const stakeAccount = Keypair.generate();

  // Calculate how much we want to stake
  const minimumRent = await connection.getMinimumBalanceForRentExemption(
    StakeProgram.space
  );
  const amountUserWantsToStake = LAMPORTS_PER_SOL / 2; // This is can be user input. For now, we'll hardcode to 0.5 SOL
  const amountToStake = minimumRent + amountUserWantsToStake;

  // Setup a transaction to create our stake account
  // Note: `StakeProgram.createAccount` returns a `Transaction` preconfigured with the necessary `TransactionInstruction`s
  const createStakeAccountTx = StakeProgram.createAccount({
    authorized: new Authorized(wallet.publicKey, wallet.publicKey), // Here we set two authorities: Stake Authority and Withdrawal Authority. Both are set to our wallet.
    fromPubkey: wallet.publicKey,
    lamports: amountToStake,
    lockup: new Lockup(0, 0, wallet.publicKey), // Optional. We'll set this to 0 for demonstration purposes.
    stakePubkey: stakeAccount.publicKey,
  });

  const createStakeAccountTxId = await sendAndConfirmTransaction(
    connection,
    createStakeAccountTx,
    [
      wallet,
      stakeAccount, // Since we're creating a new stake account, we have that account sign as well
    ]
  );
  console.log(`Stake account created. Tx Id: ${createStakeAccountTxId}`);

  // Check our newly created stake account balance. This should be 0.5 SOL.
  let stakeBalance = await connection.getBalance(stakeAccount.publicKey);
  console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);

  // Verify the status of our stake account. This will start as inactive and will take some time to activate.
  let stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);

  // To delegate our stake, we first have to select a validator. Here we get all validators and select the first active one.
  const validators = await connection.getVoteAccounts();
  const selectedValidator = validators.current[0];
  const selectedValidatorPubkey = new PublicKey(selectedValidator.votePubkey);

  // With a validator selected, we can now setup a transaction that delegates our stake to their vote account.
  const delegateTx = StakeProgram.delegate({
    stakePubkey: stakeAccount.publicKey,
    authorizedPubkey: wallet.publicKey,
    votePubkey: selectedValidatorPubkey,
  });

  const delegateTxId = await sendAndConfirmTransaction(connection, delegateTx, [
    wallet,
  ]);
  console.log(
    `Stake account delegated to ${selectedValidatorPubkey}. Tx Id: ${delegateTxId}`
  );

  // Check in on our stake account. It should now be activating.
  stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);

  // At anytime we can choose to deactivate our stake. Our stake account must be inactive before we can withdraw funds.
  const deactivateTx = StakeProgram.deactivate({
    stakePubkey: stakeAccount.publicKey,
    authorizedPubkey: wallet.publicKey,
  });
  const deactivateTxId = await sendAndConfirmTransaction(
    connection,
    deactivateTx,
    [wallet]
  );
  console.log(`Stake account deactivated. Tx Id: ${deactivateTxId}`);

  // Check in on our stake account. It should now be inactive.
  stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);
})();

// At anytime we can choose to deactivate our stake. Our stake account must be inactive before we can withdraw funds.
const deactivateTx = StakeProgram.deactivate({
  stakePubkey: stakeAccount.publicKey,
  authorizedPubkey: wallet.publicKey,
});
const deactivateTxId = await sendAndConfirmTransaction(
  connection,
  deactivateTx,
  [wallet]
);
console.log(`Stake account deactivated. Tx Id: ${deactivateTxId}`);

// Check in on our stake account. It should now be inactive.
stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
console.log(`Stake account status: ${stakeStatus.state}`);

Retirar Stake

Una vez desactivada, la Autoridad de retiro puede retirar SOL nuevamente a una cuenta del sistema. Una vez que una cuenta de participación ya no se delega y tiene un saldo de 0 SOL, se destruye de manera efectiva.

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import {
  clusterApiUrl,
  Connection,
  Keypair,
  LAMPORTS_PER_SOL,
  StakeProgram,
  Authorized,
  sendAndConfirmTransaction,
  Lockup,
  PublicKey,
} from "@solana/web3.js";

(async () => {
  // Setup our connection and wallet
  const connection = new Connection(clusterApiUrl("devnet"), "confirmed");
  const wallet = Keypair.generate();

  // Fund our wallet with 1 SOL
  const airdropSignature = await connection.requestAirdrop(
    wallet.publicKey,
    LAMPORTS_PER_SOL
  );
  await connection.confirmTransaction(airdropSignature);

  // Create a keypair for our stake account
  const stakeAccount = Keypair.generate();

  // Calculate how much we want to stake
  const minimumRent = await connection.getMinimumBalanceForRentExemption(
    StakeProgram.space
  );
  const amountUserWantsToStake = LAMPORTS_PER_SOL / 2; // This is can be user input. For now, we'll hardcode to 0.5 SOL
  const amountToStake = minimumRent + amountUserWantsToStake;

  // Setup a transaction to create our stake account
  // Note: `StakeProgram.createAccount` returns a `Transaction` preconfigured with the necessary `TransactionInstruction`s
  const createStakeAccountTx = StakeProgram.createAccount({
    authorized: new Authorized(wallet.publicKey, wallet.publicKey), // Here we set two authorities: Stake Authority and Withdrawal Authority. Both are set to our wallet.
    fromPubkey: wallet.publicKey,
    lamports: amountToStake,
    lockup: new Lockup(0, 0, wallet.publicKey), // Optional. We'll set this to 0 for demonstration purposes.
    stakePubkey: stakeAccount.publicKey,
  });

  const createStakeAccountTxId = await sendAndConfirmTransaction(
    connection,
    createStakeAccountTx,
    [
      wallet,
      stakeAccount, // Since we're creating a new stake account, we have that account sign as well
    ]
  );
  console.log(`Stake account created. Tx Id: ${createStakeAccountTxId}`);

  // Check our newly created stake account balance. This should be 0.5 SOL.
  let stakeBalance = await connection.getBalance(stakeAccount.publicKey);
  console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);

  // Verify the status of our stake account. This will start as inactive and will take some time to activate.
  let stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);

  // To delegate our stake, we first have to select a validator. Here we get all validators and select the first active one.
  const validators = await connection.getVoteAccounts();
  const selectedValidator = validators.current[0];
  const selectedValidatorPubkey = new PublicKey(selectedValidator.votePubkey);

  // With a validator selected, we can now setup a transaction that delegates our stake to their vote account.
  const delegateTx = StakeProgram.delegate({
    stakePubkey: stakeAccount.publicKey,
    authorizedPubkey: wallet.publicKey,
    votePubkey: selectedValidatorPubkey,
  });

  const delegateTxId = await sendAndConfirmTransaction(connection, delegateTx, [
    wallet,
  ]);
  console.log(
    `Stake account delegated to ${selectedValidatorPubkey}. Tx Id: ${delegateTxId}`
  );

  // Check in on our stake account. It should now be activating.
  stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);

  // At anytime we can choose to deactivate our stake. Our stake account must be inactive before we can withdraw funds.
  const deactivateTx = StakeProgram.deactivate({
    stakePubkey: stakeAccount.publicKey,
    authorizedPubkey: wallet.publicKey,
  });
  const deactivateTxId = await sendAndConfirmTransaction(
    connection,
    deactivateTx,
    [wallet]
  );
  console.log(`Stake account deactivated. Tx Id: ${deactivateTxId}`);

  // Check in on our stake account. It should now be inactive.
  stakeStatus = await connection.getStakeActivation(stakeAccount.publicKey);
  console.log(`Stake account status: ${stakeStatus.state}`);

  // Once deactivated, we can withdraw our SOL back to our main wallet
  const withdrawTx = StakeProgram.withdraw({
    stakePubkey: stakeAccount.publicKey,
    authorizedPubkey: wallet.publicKey,
    toPubkey: wallet.publicKey,
    lamports: stakeBalance, // Withdraw the full balance at the time of the transaction
  });

  const withdrawTxId = await sendAndConfirmTransaction(connection, withdrawTx, [
    wallet,
  ]);
  console.log(`Stake account withdrawn. Tx Id: ${withdrawTxId}`);

  // Confirm that our stake account balance is now 0
  stakeBalance = await connection.getBalance(stakeAccount.publicKey);
  console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);
})();

// Once deactivated, we can withdraw our SOL back to our main wallet
const withdrawTx = StakeProgram.withdraw({
  stakePubkey: stakeAccount.publicKey,
  authorizedPubkey: wallet.publicKey,
  toPubkey: wallet.publicKey,
  lamports: stakeBalance, // Withdraw the full balance at the time of the transaction
});

const withdrawTxId = await sendAndConfirmTransaction(connection, withdrawTx, [
  wallet,
]);
console.log(`Stake account withdrawn. Tx Id: ${withdrawTxId}`);

// Confirm that our stake account balance is now 0
stakeBalance = await connection.getBalance(stakeAccount.publicKey);
console.log(`Stake account balance: ${stakeBalance / LAMPORTS_PER_SOL} SOL`);