$ piggy_bank

devnet

// piggy_bank

A Solana program that lets you lock SOL until a future date. Once the time expires, you can withdraw your funds — not a second before.

# how_to_test

  1. 1

    Get devnet SOL

    Grab free tokens from the faucet — you'll need some to lock. faucet.solana.com

  2. 2

    Connect your wallet

    Use Phantom, Solflare, or any Solana wallet. Make sure it's set to Devnet.

  3. 3

    Pick amount & duration

    Choose how much SOL to lock and for how long (2, 5, or 10 minutes).

  4. 4

    Confirm the transaction

    Your wallet will ask you to approve. The SOL is transferred to a lock account on-chain.

  5. 5

    Wait for expiration

    The lock card will show "active" until the time is up, then it switches to "expired".

  6. 6

    Unlock your SOL

    Hit the unlock button — the program verifies the time and sends your SOL back.