445 lines
14 KiB
Rust
445 lines
14 KiB
Rust
#![allow(clippy::integer_arithmetic)]
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use {
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bincode::deserialize,
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solana_banks_client::BanksClient,
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solana_program_test::{
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processor, ProgramTest, ProgramTestBanksClientExt, ProgramTestContext, ProgramTestError,
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},
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solana_sdk::{
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account_info::{next_account_info, AccountInfo},
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clock::Clock,
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entrypoint::ProgramResult,
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instruction::{AccountMeta, Instruction, InstructionError},
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program_error::ProgramError,
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pubkey::Pubkey,
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rent::Rent,
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signature::{Keypair, Signer},
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stake::{
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instruction as stake_instruction,
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state::{Authorized, Lockup, StakeActivationStatus, StakeState},
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},
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system_instruction, system_program,
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sysvar::{
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clock,
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stake_history::{self, StakeHistory},
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Sysvar,
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},
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transaction::{Transaction, TransactionError},
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},
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solana_vote_program::{
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vote_instruction,
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vote_state::{VoteInit, VoteState},
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},
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std::convert::TryInto,
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};
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// Use a big number to be sure that we get the right error
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const WRONG_SLOT_ERROR: u32 = 123456;
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async fn setup_stake(
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context: &mut ProgramTestContext,
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user: &Keypair,
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vote_address: &Pubkey,
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stake_lamports: u64,
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) -> Pubkey {
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let stake_keypair = Keypair::new();
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let transaction = Transaction::new_signed_with_payer(
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&stake_instruction::create_account_and_delegate_stake(
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&context.payer.pubkey(),
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&stake_keypair.pubkey(),
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vote_address,
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&Authorized::auto(&user.pubkey()),
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&Lockup::default(),
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stake_lamports,
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),
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Some(&context.payer.pubkey()),
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&vec![&context.payer, &stake_keypair, user],
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context.last_blockhash,
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);
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context
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.banks_client
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.process_transaction(transaction)
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.await
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.unwrap();
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stake_keypair.pubkey()
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}
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async fn setup_vote(context: &mut ProgramTestContext) -> Pubkey {
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// warp once to make sure stake config doesn't get rent-collected
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context.warp_to_slot(100).unwrap();
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let mut instructions = vec![];
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let validator_keypair = Keypair::new();
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instructions.push(system_instruction::create_account(
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&context.payer.pubkey(),
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&validator_keypair.pubkey(),
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42,
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0,
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&system_program::id(),
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));
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let vote_lamports = Rent::default().minimum_balance(VoteState::size_of());
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let vote_keypair = Keypair::new();
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let user_keypair = Keypair::new();
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instructions.append(&mut vote_instruction::create_account(
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&context.payer.pubkey(),
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&vote_keypair.pubkey(),
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&VoteInit {
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node_pubkey: validator_keypair.pubkey(),
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authorized_voter: user_keypair.pubkey(),
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..VoteInit::default()
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},
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vote_lamports,
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));
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let transaction = Transaction::new_signed_with_payer(
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&instructions,
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Some(&context.payer.pubkey()),
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&vec![&context.payer, &validator_keypair, &vote_keypair],
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context.last_blockhash,
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);
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context
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.banks_client
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.process_transaction(transaction)
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.await
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.unwrap();
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vote_keypair.pubkey()
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}
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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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let account_info_iter = &mut accounts.iter();
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let clock_info = next_account_info(account_info_iter)?;
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let clock = &Clock::from_account_info(clock_info)?;
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let expected_slot = u64::from_le_bytes(input.try_into().unwrap());
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if clock.slot == expected_slot {
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Ok(())
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} else {
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Err(ProgramError::Custom(WRONG_SLOT_ERROR))
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}
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}
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#[tokio::test]
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async fn clock_sysvar_updated_from_warp() {
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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-warp",
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program_id,
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processor!(process_instruction),
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);
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let mut context = program_test.start_with_context().await;
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let expected_slot = 100_000;
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let instruction = Instruction::new_with_bincode(
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program_id,
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&expected_slot,
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vec![AccountMeta::new_readonly(clock::id(), false)],
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);
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// Fail transaction
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let transaction = Transaction::new_signed_with_payer(
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&[instruction.clone()],
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Some(&context.payer.pubkey()),
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&[&context.payer],
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context.last_blockhash,
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);
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assert_eq!(
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context
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.banks_client
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.process_transaction(transaction)
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.await
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.unwrap_err()
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.unwrap(),
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TransactionError::InstructionError(0, InstructionError::Custom(WRONG_SLOT_ERROR))
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);
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// Warp to success!
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context.warp_to_slot(expected_slot).unwrap();
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let instruction = Instruction::new_with_bincode(
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program_id,
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&expected_slot,
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vec![AccountMeta::new_readonly(clock::id(), false)],
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);
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let transaction = Transaction::new_signed_with_payer(
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&[instruction],
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Some(&context.payer.pubkey()),
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&[&context.payer],
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context.last_blockhash,
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);
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context
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.banks_client
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.process_transaction(transaction)
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.await
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.unwrap();
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// Try warping again to the same slot
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assert_eq!(
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context.warp_to_slot(expected_slot).unwrap_err(),
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ProgramTestError::InvalidWarpSlot,
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);
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}
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#[tokio::test]
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async fn rent_collected_from_warp() {
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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::default();
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let mut context = program_test.start_with_context().await;
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let account_size = 100;
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let keypair = Keypair::new();
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let account_lamports = Rent::default().minimum_balance(account_size) - 100; // not rent exempt
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let instruction = system_instruction::create_account(
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&context.payer.pubkey(),
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&keypair.pubkey(),
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account_lamports,
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account_size as u64,
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&program_id,
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);
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let transaction = Transaction::new_signed_with_payer(
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&[instruction],
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Some(&context.payer.pubkey()),
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&[&context.payer, &keypair],
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context.last_blockhash,
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);
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context
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.banks_client
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.process_transaction(transaction)
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.await
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.unwrap();
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let account = context
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.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_eq!(account.lamports, account_lamports);
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// Warp forward and see that rent has been collected
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// This test was a bit flaky with one warp, but two warps always works
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let slots_per_epoch = context.genesis_config().epoch_schedule.slots_per_epoch;
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context.warp_to_slot(slots_per_epoch).unwrap();
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context.warp_to_slot(slots_per_epoch * 2).unwrap();
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let account = context
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.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 < account_lamports);
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}
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#[tokio::test]
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async fn stake_rewards_from_warp() {
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// Initialize and start the test network
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let program_test = ProgramTest::default();
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let mut context = program_test.start_with_context().await;
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let vote_address = setup_vote(&mut context).await;
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let user_keypair = Keypair::new();
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let stake_lamports = 1_000_000_000_000;
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let stake_address =
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setup_stake(&mut context, &user_keypair, &vote_address, stake_lamports).await;
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let account = context
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.banks_client
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.get_account(stake_address)
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.await
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.expect("account exists")
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.unwrap();
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assert_eq!(account.lamports, stake_lamports);
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// warp one epoch forward for normal inflation, no rewards collected
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let first_normal_slot = context.genesis_config().epoch_schedule.first_normal_slot;
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context.warp_to_slot(first_normal_slot).unwrap();
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let account = context
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.banks_client
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.get_account(stake_address)
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.await
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.expect("account exists")
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.unwrap();
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assert_eq!(account.lamports, stake_lamports);
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context.increment_vote_account_credits(&vote_address, 100);
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// go forward and see that rewards have been distributed
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let slots_per_epoch = context.genesis_config().epoch_schedule.slots_per_epoch;
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context
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.warp_to_slot(first_normal_slot + slots_per_epoch)
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.unwrap();
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let account = context
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.banks_client
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.get_account(stake_address)
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.await
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.expect("account exists")
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.unwrap();
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assert!(account.lamports > stake_lamports);
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// check that stake is fully active
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let stake_history_account = context
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.banks_client
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.get_account(stake_history::id())
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.await
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.expect("account exists")
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.unwrap();
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let clock_account = context
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.banks_client
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.get_account(clock::id())
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.await
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.expect("account exists")
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.unwrap();
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let stake_state: StakeState = deserialize(&account.data).unwrap();
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let stake_history: StakeHistory = deserialize(&stake_history_account.data).unwrap();
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let clock: Clock = deserialize(&clock_account.data).unwrap();
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let stake = stake_state.stake().unwrap();
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assert_eq!(
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stake
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.delegation
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.stake_activating_and_deactivating(clock.epoch, Some(&stake_history)),
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StakeActivationStatus::with_effective(stake.delegation.stake),
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);
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}
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async fn check_credits_observed(
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banks_client: &mut BanksClient,
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stake_address: Pubkey,
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expected_credits: u64,
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) {
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let stake_account = banks_client
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.get_account(stake_address)
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.await
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.unwrap()
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.unwrap();
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let stake_state: StakeState = deserialize(&stake_account.data).unwrap();
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assert_eq!(
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stake_state.stake().unwrap().credits_observed,
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expected_credits
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);
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}
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#[tokio::test]
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async fn stake_merge_immediately_after_activation() {
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let program_test = ProgramTest::default();
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let mut context = program_test.start_with_context().await;
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let vote_address = setup_vote(&mut context).await;
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context.increment_vote_account_credits(&vote_address, 100);
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let first_normal_slot = context.genesis_config().epoch_schedule.first_normal_slot;
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let slots_per_epoch = context.genesis_config().epoch_schedule.slots_per_epoch;
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let mut current_slot = first_normal_slot + slots_per_epoch;
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context.warp_to_slot(current_slot).unwrap();
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// this is annoying, but if no stake has earned rewards, the bank won't
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// iterate through the stakes at all, which means we can only test the
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// behavior of advancing credits observed if another stake is earning rewards
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// make a base stake which receives rewards
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let user_keypair = Keypair::new();
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let stake_lamports = 1_000_000_000_000;
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let base_stake_address =
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setup_stake(&mut context, &user_keypair, &vote_address, stake_lamports).await;
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check_credits_observed(&mut context.banks_client, base_stake_address, 100).await;
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context.increment_vote_account_credits(&vote_address, 100);
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current_slot += slots_per_epoch;
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context.warp_to_slot(current_slot).unwrap();
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// make another stake which will just have its credits observed advanced
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let absorbed_stake_address =
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setup_stake(&mut context, &user_keypair, &vote_address, stake_lamports).await;
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// the new stake is at the right value
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check_credits_observed(&mut context.banks_client, absorbed_stake_address, 200).await;
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// the base stake hasn't been moved forward because no rewards were earned
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check_credits_observed(&mut context.banks_client, base_stake_address, 100).await;
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context.increment_vote_account_credits(&vote_address, 100);
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current_slot += slots_per_epoch;
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context.warp_to_slot(current_slot).unwrap();
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// check that base stake has earned rewards and credits moved forward
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let stake_account = context
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.banks_client
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.get_account(base_stake_address)
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.await
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.unwrap()
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.unwrap();
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let stake_state: StakeState = deserialize(&stake_account.data).unwrap();
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assert_eq!(stake_state.stake().unwrap().credits_observed, 300);
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assert!(stake_account.lamports > stake_lamports);
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// check that new stake hasn't earned rewards, but that credits_observed have been advanced
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let stake_account = context
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.banks_client
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.get_account(absorbed_stake_address)
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.await
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.unwrap()
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.unwrap();
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let stake_state: StakeState = deserialize(&stake_account.data).unwrap();
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assert_eq!(stake_state.stake().unwrap().credits_observed, 300);
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assert_eq!(stake_account.lamports, stake_lamports);
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// sanity-check that the activation epoch was actually last epoch
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let clock_account = context
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.banks_client
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.get_account(clock::id())
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.await
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.unwrap()
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.unwrap();
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let clock: Clock = deserialize(&clock_account.data).unwrap();
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assert_eq!(
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clock.epoch,
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stake_state.delegation().unwrap().activation_epoch + 1
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);
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// sanity-check that it's possible to merge the just-activated stake with the older stake!
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let transaction = Transaction::new_signed_with_payer(
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&stake_instruction::merge(
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&base_stake_address,
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&absorbed_stake_address,
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&user_keypair.pubkey(),
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),
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Some(&context.payer.pubkey()),
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&vec![&context.payer, &user_keypair],
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context.last_blockhash,
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);
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context
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.banks_client
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.process_transaction(transaction)
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.await
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.unwrap();
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}
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#[tokio::test]
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async fn get_blockhash_post_warp() {
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let program_test = ProgramTest::default();
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let mut context = program_test.start_with_context().await;
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let new_blockhash = context
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.banks_client
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.get_new_latest_blockhash(&context.last_blockhash)
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.await
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.unwrap();
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let mut tx = Transaction::new_with_payer(&[], Some(&context.payer.pubkey()));
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tx.sign(&[&context.payer], new_blockhash);
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context.banks_client.process_transaction(tx).await.unwrap();
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context.warp_to_slot(10).unwrap();
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let new_blockhash = context
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.banks_client
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.get_new_latest_blockhash(&context.last_blockhash)
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.await
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.unwrap();
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let mut tx = Transaction::new_with_payer(&[], Some(&context.payer.pubkey()));
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tx.sign(&[&context.payer], new_blockhash);
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context.banks_client.process_transaction(tx).await.unwrap();
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}
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