118 lines
3.4 KiB
Rust
118 lines
3.4 KiB
Rust
use {
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solana_banks_client::BanksClient,
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solana_program_test::{processor, ProgramTest},
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solana_sdk::{
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account_info::AccountInfo,
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entrypoint::ProgramResult,
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hash::Hash,
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instruction::Instruction,
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msg,
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pubkey::Pubkey,
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rent::Rent,
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signature::{Keypair, Signer},
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system_instruction,
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transaction::Transaction,
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},
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};
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#[allow(clippy::unnecessary_wraps)]
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fn process_instruction(
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_program_id: &Pubkey,
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_accounts: &[AccountInfo],
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_input: &[u8],
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) -> ProgramResult {
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msg!("Processing instruction");
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Ok(())
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}
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#[test]
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fn simulate_fuzz() {
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let rt = tokio::runtime::Runtime::new().unwrap();
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let program_id = Pubkey::new_unique();
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// Initialize and start the test network
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let program_test = ProgramTest::new(
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"program-test-fuzz",
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program_id,
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processor!(process_instruction),
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);
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let (mut banks_client, payer, last_blockhash) = rt.block_on(program_test.start());
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// the honggfuzz `fuzz!` macro does not allow for async closures,
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// so we have to use the runtime directly to run async functions
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rt.block_on(run_fuzz_instructions(
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&[1, 2, 3, 4, 5],
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&mut banks_client,
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&payer,
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last_blockhash,
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&program_id,
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));
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}
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#[test]
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fn simulate_fuzz_with_context() {
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let rt = tokio::runtime::Runtime::new().unwrap();
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let program_id = Pubkey::new_unique();
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// Initialize and start the test network
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let program_test = ProgramTest::new(
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"program-test-fuzz",
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program_id,
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processor!(process_instruction),
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);
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let mut context = rt.block_on(program_test.start_with_context());
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// the honggfuzz `fuzz!` macro does not allow for async closures,
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// so we have to use the runtime directly to run async functions
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rt.block_on(run_fuzz_instructions(
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&[1, 2, 3, 4, 5],
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&mut context.banks_client,
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&context.payer,
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context.last_blockhash,
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&program_id,
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));
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}
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async fn run_fuzz_instructions(
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fuzz_instruction: &[u8],
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banks_client: &mut BanksClient,
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payer: &Keypair,
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last_blockhash: Hash,
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program_id: &Pubkey,
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) {
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let mut instructions = vec![];
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let mut signer_keypairs = vec![];
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for &i in fuzz_instruction {
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let keypair = Keypair::new();
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let instruction = system_instruction::create_account(
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&payer.pubkey(),
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&keypair.pubkey(),
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Rent::default().minimum_balance(i as usize),
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i as u64,
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program_id,
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);
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instructions.push(instruction);
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instructions.push(Instruction::new_with_bincode(*program_id, &[0], vec![]));
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signer_keypairs.push(keypair);
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}
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// Process transaction on test network
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let mut transaction = Transaction::new_with_payer(&instructions, Some(&payer.pubkey()));
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let signers = [payer]
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.iter()
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.copied()
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.chain(signer_keypairs.iter())
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.collect::<Vec<&Keypair>>();
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transaction.partial_sign(&signers, last_blockhash);
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banks_client.process_transaction(transaction).await.unwrap();
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for keypair in signer_keypairs {
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let account = banks_client
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.get_account(keypair.pubkey())
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.await
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.expect("account exists")
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.unwrap();
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assert!(account.lamports > 0);
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assert!(!account.data.is_empty());
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}
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}
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