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🧮 Solana Counter Program (Rust + Anchor)

This is a simple on-chain counter program built using Anchor, a framework for developing smart contracts on Solana. The program allows initializing a counter, incrementing, and decrementing its value on the Solana blockchain.

🚀 Features

  • Initialize a counter account

  • Increment the counter

  • Decrement the counter

Built with Rust using Anchor framework

🛠️ Program Functions

  • initialize -: Initializes a new counter account and sets the count to 0.
  • increment -: Increments the counter value by 1.
  • decrement -: Decrements the counter value by 1.

📚 Account Structures

  • Initialize -: Accounts required:

    • counter_account: New account to store counter state (space: 8 + 8 bytes)
    • signer : The account paying for initialization
    • system_program : Solana system program

  • Change -: Accounts required:

    • counter_account -: The mutable counter state account
    • user -: The signer authorized to update the counter