Швидкий старт

use litesvm::LiteSVM;
use solana_sdk::{
    instruction::{AccountMeta, Instruction},
    pubkey::Pubkey,
    signature::{Keypair, Signer},
    transaction::Transaction,
};

use my_program;

#[test]
fn test_my_program() {
    // Initialize the test environment
    let mut svm = LiteSVM::new();

    // Deploy your program to the test environment
    let program_id = Pubkey::from(my_program::ID);
    let program_bytes = include_bytes!("../../../target/deploy/my_program.so");
    svm.add_program(program_id, program_bytes);

    // Create and fund test accounts
    let payer = Keypair::new();
    svm.airdrop(&payer.pubkey(), 10_000_000_000).unwrap();

    // Create your instruction
    let instruction = Instruction {
        program_id,
        accounts: vec![
            AccountMeta::new(payer.pubkey(), true),
        ],
        data: vec![],
    };

    // Build transaction
    let tx = Transaction::new_signed_with_payer(
        &[instruction],
        Some(&payer.pubkey()),
        &[&payer],
        svm.latest_blockhash(),
    );

    // Send transaction
    let result = svm.send_transaction(tx).unwrap();

    // Check transaction succeeded
    println!("Transaction logs: {:?}", result.logs);

    println!("Program executed successfully!");
}