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Allow tests to add instruction processors 

Make runtime a private module again.
This commit is contained in:
Greg Fitzgerald 2019-03-16 05:50:44 -06:00 committed by Grimes
parent ee39f31d81
commit 55cdbedb52
4 changed files with 94 additions and 141 deletions
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189
programs/budget/src/budget_program.rs
View File

@ -145,62 +145,45 @@ mod test {
use super::*;
use solana_budget_api::budget_transaction::BudgetTransaction;
use solana_budget_api::id;
use solana_runtime::runtime::Runtime;
use solana_sdk::account::Account;
use solana_sdk::hash::Hash;
use solana_runtime::bank::Bank;
use solana_sdk::genesis_block::GenesisBlock;
use solana_sdk::signature::{Keypair, KeypairUtil};
use solana_sdk::system_program;
use solana_sdk::transaction::{InstructionError, Transaction, TransactionError};
fn process_transaction(
tx: &Transaction,
tx_accounts: &mut Vec<Account>,
) -> Result<(), TransactionError> {
let mut runtime = Runtime::default();
runtime.add_entrypoint(id(), process_instruction);
runtime.process_transaction(tx, tx_accounts)
fn create_bank(lamports: u64) -> (Bank, Keypair) {
let (genesis_block, mint_keypair) = GenesisBlock::new(lamports);
let mut bank = Bank::new(&genesis_block);
bank.add_entrypoint(id(), process_instruction);
(bank, mint_keypair)
}
#[test]
fn test_invalid_instruction() {
let mut accounts = vec![Account::new(1, 0, &id()), Account::new(0, 512, &id())];
let from = Keypair::new();
let (bank, from) = create_bank(10_000);
let blockhash = bank.last_blockhash();
let contract = Keypair::new();
let data = (1u8, 2u8, 3u8);
let tx = Transaction::new_signed(
&from,
&[contract.pubkey()],
&id(),
&data,
Hash::default(),
0,
);
assert!(process_transaction(&tx, &mut accounts).is_err());
let tx = Transaction::new_signed(&from, &[contract.pubkey()], &id(), &data, blockhash, 0);
assert!(bank.process_transaction(&tx).is_err());
}
#[test]
fn test_unsigned_witness_key() {
let mut accounts = vec![Account::new(1, 0, &system_program::id())];
let (bank, from) = create_bank(10_000);
let blockhash = bank.last_blockhash();
// Initialize BudgetState
let from = Keypair::new();
let contract = Keypair::new().pubkey();
let to = Keypair::new().pubkey();
let witness = Keypair::new().pubkey();
let tx = BudgetTransaction::new_when_signed(
&from,
&to,
&contract,
&witness,
None,
1,
Hash::default(),
);
process_transaction(&tx, &mut accounts).unwrap();
let tx =
BudgetTransaction::new_when_signed(&from, &to, &contract, &witness, None, 1, blockhash);
bank.process_transaction(&tx).unwrap();
// Attack! Part 1: Sign a witness transaction with a random key.
let rando = Keypair::new();
let mut tx = BudgetTransaction::new_signature(&rando, &contract, &to, Hash::default());
bank.transfer(1, &from, &rando.pubkey(), blockhash).unwrap();
let mut tx = BudgetTransaction::new_signature(&rando, &contract, &to, blockhash);
// Attack! Part 2: Point the instruction to the expected, but unsigned, key.
tx.account_keys.push(from.pubkey());
@ -208,7 +191,7 @@ mod test {
// Ensure the transaction fails because of the unsigned key.
assert_eq!(
process_transaction(&tx, &mut accounts),
bank.process_transaction(&tx),
Err(TransactionError::InstructionError(
0,
InstructionError::ProgramError(ProgramError::MissingRequiredSignature)
@ -218,10 +201,10 @@ mod test {
#[test]
fn test_unsigned_timestamp() {
let mut accounts = vec![Account::new(1, 0, &system_program::id())];
let (bank, from) = create_bank(10_000);
let blockhash = bank.last_blockhash();
// Initialize BudgetState
let from = Keypair::new();
let contract = Keypair::new().pubkey();
let to = Keypair::new().pubkey();
let dt = Utc::now();
@ -233,13 +216,14 @@ mod test {
&from.pubkey(),
None,
1,
Hash::default(),
blockhash,
);
process_transaction(&tx, &mut accounts).unwrap();
bank.process_transaction(&tx).unwrap();
// Attack! Part 1: Sign a timestamp transaction with a random key.
let rando = Keypair::new();
let mut tx = BudgetTransaction::new_timestamp(&rando, &contract, &to, dt, Hash::default());
bank.transfer(1, &from, &rando.pubkey(), blockhash).unwrap();
let mut tx = BudgetTransaction::new_timestamp(&rando, &contract, &to, dt, blockhash);
// Attack! Part 2: Point the instruction to the expected, but unsigned, key.
tx.account_keys.push(from.pubkey());
@ -247,7 +231,7 @@ mod test {
// Ensure the transaction fails because of the unsigned key.
assert_eq!(
process_transaction(&tx, &mut accounts),
bank.process_transaction(&tx),
Err(TransactionError::InstructionError(
0,
InstructionError::ProgramError(ProgramError::MissingRequiredSignature)
@ -257,11 +241,8 @@ mod test {
#[test]
fn test_transfer_on_date() {
let mut accounts = vec![Account::new(1, 0, &system_program::id())];
let from_account = 0;
let contract_account = 1;
let to_account = 2;
let from = Keypair::new();
let (bank, from) = create_bank(2);
let blockhash = bank.last_blockhash();
let contract = Keypair::new();
let to = Keypair::new();
let rando = Keypair::new();
@ -274,12 +255,14 @@ mod test {
&from.pubkey(),
None,
1,
Hash::default(),
blockhash,
);
process_transaction(&tx, &mut accounts).unwrap();
assert_eq!(accounts[from_account].lamports, 0);
assert_eq!(accounts[contract_account].lamports, 1);
let budget_state = BudgetState::deserialize(&accounts[contract_account].data).unwrap();
bank.process_transaction(&tx).unwrap();
assert_eq!(bank.get_balance(&from.pubkey()), 1);
assert_eq!(bank.get_balance(&contract.pubkey()), 1);
let contract_account = bank.get_account(&contract.pubkey()).unwrap();
let budget_state = BudgetState::deserialize(&contract_account.data).unwrap();
assert!(budget_state.is_pending());
// Attack! Try to payout to a rando key
@ -288,10 +271,10 @@ mod test {
&contract.pubkey(),
&rando.pubkey(),
dt,
Hash::default(),
blockhash,
);
assert_eq!(
process_transaction(&tx, &mut accounts).unwrap_err(),
bank.process_transaction(&tx).unwrap_err(),
TransactionError::InstructionError(
0,
InstructionError::ProgramError(ProgramError::CustomError(
@ -299,11 +282,12 @@ mod test {
))
)
);
assert_eq!(accounts[from_account].lamports, 0);
assert_eq!(accounts[contract_account].lamports, 1);
assert_eq!(accounts[to_account].lamports, 0);
assert_eq!(bank.get_balance(&from.pubkey()), 1);
assert_eq!(bank.get_balance(&contract.pubkey()), 1);
assert_eq!(bank.get_balance(&to.pubkey()), 0);
let budget_state = BudgetState::deserialize(&accounts[contract_account].data).unwrap();
let contract_account = bank.get_account(&contract.pubkey()).unwrap();
let budget_state = BudgetState::deserialize(&contract_account.data).unwrap();
assert!(budget_state.is_pending());
// Now, acknowledge the time in the condition occurred and
@ -313,32 +297,23 @@ mod test {
&contract.pubkey(),
&to.pubkey(),
dt,
Hash::default(),
blockhash,
);
process_transaction(&tx, &mut accounts).unwrap();
assert_eq!(accounts[from_account].lamports, 0);
assert_eq!(accounts[contract_account].lamports, 0);
assert_eq!(accounts[to_account].lamports, 1);
let budget_state = BudgetState::deserialize(&accounts[contract_account].data).unwrap();
assert!(!budget_state.is_pending());
// try to replay the timestamp contract
process_transaction(&tx, &mut accounts).unwrap();
assert_eq!(accounts[from_account].lamports, 0);
assert_eq!(accounts[contract_account].lamports, 0);
assert_eq!(accounts[to_account].lamports, 1);
bank.process_transaction(&tx).unwrap();
assert_eq!(bank.get_balance(&from.pubkey()), 1);
assert_eq!(bank.get_balance(&contract.pubkey()), 0);
assert_eq!(bank.get_balance(&to.pubkey()), 1);
assert_eq!(bank.get_account(&contract.pubkey()), None);
}
#[test]
fn test_cancel_transfer() {
let mut accounts = vec![Account::new(1, 0, &system_program::id())];
let from_account = 0;
let contract_account = 1;
let pay_account = 2;
let from = Keypair::new();
let (bank, from) = create_bank(3);
let blockhash = bank.last_blockhash();
let contract = Keypair::new();
let to = Keypair::new();
let dt = Utc::now();
let tx = BudgetTransaction::new_on_date(
&from,
&to.pubkey(),
@ -347,51 +322,37 @@ mod test {
&from.pubkey(),
Some(from.pubkey()),
1,
Hash::default(),
blockhash,
);
process_transaction(&tx, &mut accounts).unwrap();
assert_eq!(accounts[from_account].lamports, 0);
assert_eq!(accounts[contract_account].lamports, 1);
let budget_state = BudgetState::deserialize(&accounts[contract_account].data).unwrap();
bank.process_transaction(&tx).unwrap();
assert_eq!(bank.get_balance(&from.pubkey()), 2);
assert_eq!(bank.get_balance(&contract.pubkey()), 1);
let contract_account = bank.get_account(&contract.pubkey()).unwrap();
let budget_state = BudgetState::deserialize(&contract_account.data).unwrap();
assert!(budget_state.is_pending());
// Attack! try to put the lamports into the wrong account with cancel
let tx = BudgetTransaction::new_signature(
&to,
&contract.pubkey(),
&to.pubkey(),
Hash::default(),
);
let rando = Keypair::new();
bank.transfer(1, &from, &rando.pubkey(), blockhash).unwrap();
assert_eq!(bank.get_balance(&from.pubkey()), 1);
let tx =
BudgetTransaction::new_signature(&rando, &contract.pubkey(), &to.pubkey(), blockhash);
// unit test hack, the `from account` is passed instead of the `to` account to avoid
// creating more account vectors
process_transaction(&tx, &mut accounts).unwrap();
bank.process_transaction(&tx).unwrap();
// nothing should be changed because apply witness didn't finalize a payment
assert_eq!(accounts[from_account].lamports, 0);
assert_eq!(accounts[contract_account].lamports, 1);
assert_eq!(accounts.get(pay_account), None);
assert_eq!(bank.get_balance(&from.pubkey()), 1);
assert_eq!(bank.get_balance(&contract.pubkey()), 1);
assert_eq!(bank.get_account(&to.pubkey()), None);
// Now, cancel the transaction. from gets her funds back
let tx = BudgetTransaction::new_signature(
&from,
&contract.pubkey(),
&from.pubkey(),
Hash::default(),
);
process_transaction(&tx, &mut accounts).unwrap();
assert_eq!(accounts[from_account].lamports, 1);
assert_eq!(accounts[contract_account].lamports, 0);
assert_eq!(accounts.get(pay_account), None);
// try to replay the cancel contract
let tx = BudgetTransaction::new_signature(
&from,
&contract.pubkey(),
&from.pubkey(),
Hash::default(),
);
process_transaction(&tx, &mut accounts).unwrap();
assert_eq!(accounts[from_account].lamports, 1);
assert_eq!(accounts[contract_account].lamports, 0);
assert_eq!(accounts.get(pay_account), None);
let tx =
BudgetTransaction::new_signature(&from, &contract.pubkey(), &from.pubkey(), blockhash);
bank.process_transaction(&tx).unwrap();
assert_eq!(bank.get_balance(&from.pubkey()), 2);
assert_eq!(bank.get_account(&contract.pubkey()), None);
assert_eq!(bank.get_account(&to.pubkey()), None);
}
}

17
runtime/src/bank.rs
View File

@ -5,7 +5,7 @@
use crate::accounts::{Accounts, ErrorCounters, InstructionAccounts, InstructionLoaders};
use crate::blockhash_queue::BlockhashQueue;
use crate::runtime::Runtime;
use crate::runtime::{Runtime, StaticEntrypoint};
use crate::status_cache::StatusCache;
use bincode::serialize;
use hashbrown::HashMap;
@ -839,6 +839,21 @@ impl Bank {
let max_tick_height = (self.slot + 1) * self.ticks_per_slot - 1;
self.is_delta.load(Ordering::Relaxed) && self.tick_height() == max_tick_height
}
/// Add a static entrypoint to intercept intructions before the dynamic loader.
pub fn add_entrypoint(&mut self, program_id: Pubkey, entrypoint: StaticEntrypoint) {
self.runtime.add_entrypoint(program_id, entrypoint);
// Add a bogus executable account to load.
let bogus_account = Account {
lamports: 1,
data: vec![],
owner: native_loader::id(),
executable: true,
};
self.accounts
.store_slow(self.accounts_id, &program_id, &bogus_account);
}
}
#[cfg(test)]

2
runtime/src/lib.rs
View File

@ -6,7 +6,7 @@ mod blockhash_queue;
pub mod bloom;
pub mod loader_utils;
mod native_loader;
pub mod runtime;
mod runtime;
mod status_cache;
mod system_program;

27
runtime/src/runtime.rs
View File

@ -80,7 +80,8 @@ fn verify_error(err: ProgramError) -> ProgramError {
}
}
type StaticEntrypoint = fn(&Pubkey, &mut [KeyedAccount], &[u8], u64) -> Result<(), ProgramError>;
pub type StaticEntrypoint =
fn(&Pubkey, &mut [KeyedAccount], &[u8], u64) -> Result<(), ProgramError>;
pub struct Runtime {
static_entrypoints: Vec<(Pubkey, StaticEntrypoint)>,
@ -221,30 +222,6 @@ impl Runtime {
}
Ok(())
}
/// A utility function for unit-tests. Same as execute_transaction(), but bypasses the loaders
/// for easier usage and better stack traces.
pub fn process_transaction(
&self,
tx: &Transaction,
tx_accounts: &mut Vec<Account>,
) -> Result<(), TransactionError> {
// Simulate how the Bank automatically creates empty accounts as needed.
for _ in tx_accounts.len()..tx.account_keys.len() {
tx_accounts.push(Account::new(0, 0, &system_program::id()));
}
// Add a bogus loader accounts for each program id
let mut loaders = vec![];
for _ in 0..tx.program_ids.len() {
loaders.push(vec![(
Pubkey::default(),
Account::new(0, 0, &system_program::id()),
)]);
}
self.execute_transaction(tx, &mut loaders, tx_accounts, 0)
}
}
#[cfg(test)]