Lesson: What are Instructions?

Chapter 1: What are Instructions?

Instructions are the core components of Solana transactions, defining what a program should do, which accounts it interacts with, and what data it processes.

Key Points

• Processed sequentially within a transaction.

• Target a specific program and operate on designated accounts.

• Enable actions like SOL transfers or account updates.

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Page Layout:

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

• Main Content:

  • Left Panel (60%): This text content.

  • Right Panel (40%): Diagram of an instruction’s structure.

• Footer: Link to Solana Transactions.

Visuals:

• Diagram: Shows program ID, accounts, and data fields.

• Icons: Key (program ID), List (accounts).

Interactivity:

• Hover over diagram elements for tooltips (e.g., "Program ID: The address of the program to execute").