Anchor Vault Program

Overview

This Anchor-based Solana vault program allows users to securely initialize vaults, deposit SOL, withdraw under specific conditions, and close their vaults. It integrates system-level operations with custom error handling and state management for enhanced security and functionality.

Features

• Initialize Vaults: Users can create vaults with optional lock durations.
• Deposit Funds: Users can deposit SOL into their vaults.
• Withdraw Funds: Withdrawals are regulated by lock durations and are only permissible under specific conditions.
• Close Vaults: Allows users to close their vaults and retrieve funds.

Usage

To use this program, perform the following commands:

• Initialize a vault
• Deposit into a vault
• Withdraw from a vault
• Close a vault

Code Structure

• lib.rs: Entry point of the program, handles high-level logic.
• errors.rs: Defines custom errors for the program.
• state, context: Manage state and context for transactions.
• payment.rs, close.rs, initialize.rs: Implement functionalities like payment handling, initialization, and closing operations.
• vault.rs: Defines the VaultState structure and associated logic.

Testing

To run the tests:

1. Set up the local environment:
   • Ensure your localnet is running.
   • Deploy the program to your localnet.
2. Install dependencies:
   • yarn to install necessary packages.
3. Execute the tests:
   • anchor test

Test Cases

• Initialize the vault: Ensures the vault initializes with the correct parameters.
• Deposit functionality: Validates that deposits adjust user and vault balances correctly.
• Withdraw functionality: Tests withdrawal behavior, including adherence to lock durations.
• Error handling: Ensures proper errors are thrown for unauthorized withdrawals before the lock duration ends.