Now that you have set up the hooks and provider, let’s look at some examples of using the provided methods.

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Creating a Session

To create a session, call the createSession method from the sessionWallet. This method accepts three parameters:
  1. targetProgramPublicKey: A PublicKey instance representing the target program you want to interact with.
  2. topUp: A boolean value, set to true if you want to top up an session keypair with 0.01 SOL initially and `false` if you dont want to topUp the session Keypair.
  3. expiryInMinutes: An optional parameter, representing the session’s expiry time in minutes. The default value is 60 minutes.
const handleCreateSession = async () => {
  const targetProgramPublicKey = new PublicKey(
    "your_target_program_public_key"
  );
  const topUp = true;
  const expiryInMinutes = 60;

  const session = await sessionWallet.createSession(
    targetProgramPublicKey,
    topUp,
    expiryInMinutes
  );

  // you can also specify the amount you want to topUp the session wallet.
  //This will top up the amount specified, and when revoked, send back to the authority
  const session = await sessionWallet.createSession(
    targetProgramPublicKey,
    topUp ? 10000000 : 0, // 0.01 SOL
    expiryInMinutes
  );

  if (session) {
    console.log("Session created:", session);
  } else {
    console.error("Failed to create session");
  }
};
By calling createSession, a new ephemeral keypair is generated and stored on the client-side. The session token is then created and stored alongside the keypair. This enables the user to securely sign transactions using the generated keypair without revealing their actual wallet’s private key.

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Signing and Sending a Transaction

To sign and send a transaction, use the signAndSendTransaction method. This method first signs the transaction using the ephemeral key pair created during the session. Then, it sends the signed transaction to the Solana network. 
const handleSendTransaction = async () => {
  const transaction = new Transaction();
  // Add instructions to the transaction
  const txids = await sessionWallet.signAndSendTransaction(transaction);

  if (txids && txids.length > 0) {
    console.log("Transaction sent:", txids);
  } else {
    console.error("Failed to send transaction");
  }
};
The signAndSendTransaction method provides an extra layer of security by ensuring that the actual wallet’s private key is not exposed. The ephemeral key pair stored on the client-side is used to sign the transaction, thus keeping the user’s main wallet secure.

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Revoking a Session

To revoke a session, call the revokeSession method from the sessionWallet. This method performs three actions:
  1. It removes the ephemeral key pair and the session token from the client-side storage.
  2. It revokes the session from the contract.
  3. Returns the lamports to the authority and closes the session token pda
const handleRevokeSession = async () => {
  await sessionWallet.revokeSession();
  console.log("Session revoked");
};
Revoking a session ensures that the ephemeral key pair is no longer valid and usable. These examples should help you get started with implementing session management and wallet functionality in your app. Please refer to the “Create Post” section in the Example App to see how the Session Token implementation is done.