Implementing Account Constraints

Accounts & Data

Chapter 5: Implementing Account Constraints

Constraints ensure accounts meet specific conditions.

Constraints

• Ownership: Verify account owner.

• Initialization: Check if initialized.

Example

#[account(
    init,
    payer = signer,
    space = 8 + 32,
)]
pub new_account: Account<'info, MyAccount>,

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Page Layout:

• Header: Fixed top bar with "Solana Learn" logo, navigation, and profile icon.

• Main Content:

  • Left Panel (50%): This text content.

  • Right Panel (50%): Code snippet with constraints.

• Footer: Link to Anchor Constraints.

Visuals:

• Code Snippet: Highlighted init, payer.

• Table: init ("Creates account"), payer ("Pays for creation").

Interactivity:

• Quiz: Match constraints to descriptions.