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Limit CPI instruction size (#14317)

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This commit is contained in:
Jack May
2020-12-28 17:14:17 -08:00
committed by GitHub
parent 7893e2e307
commit 5524938a50
7 changed files with 162 additions and 5 deletions
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66
programs/bpf/tests/programs.rs
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@@ -566,6 +566,8 @@ fn test_program_bpf_invoke() {
const TEST_CAP_SEEDS: u8 = 6;
const TEST_CAP_SIGNERS: u8 = 7;
const TEST_ALLOC_ACCESS_VIOLATION: u8 = 8;
const TEST_INSTRUCTION_DATA_TOO_LARGE: u8 = 9;
const TEST_INSTRUCTION_META_TOO_LARGE: u8 = 10;
#[allow(dead_code)]
#[derive(Debug)]
@@ -894,6 +896,70 @@ fn test_program_bpf_invoke() {
TransactionError::InstructionError(0, InstructionError::ProgramFailedToComplete)
);
let instruction = Instruction::new(
invoke_program_id,
&[
TEST_INSTRUCTION_DATA_TOO_LARGE,
bump_seed1,
bump_seed2,
bump_seed3,
],
account_metas.clone(),
);
let message = Message::new(&[instruction], Some(&mint_pubkey));
let tx = Transaction::new(
&[
&mint_keypair,
&argument_keypair,
&invoked_argument_keypair,
&from_keypair,
],
message.clone(),
bank.last_blockhash(),
);
let (result, inner_instructions) = process_transaction_and_record_inner(&bank, tx);
let invoked_programs: Vec<Pubkey> = inner_instructions[0]
.iter()
.map(|ix| message.account_keys[ix.program_id_index as usize].clone())
.collect();
assert_eq!(invoked_programs, vec![]);
assert_eq!(
result.unwrap_err(),
TransactionError::InstructionError(0, InstructionError::ComputationalBudgetExceeded)
);
let instruction = Instruction::new(
invoke_program_id,
&[
TEST_INSTRUCTION_META_TOO_LARGE,
bump_seed1,
bump_seed2,
bump_seed3,
],
account_metas.clone(),
);
let message = Message::new(&[instruction], Some(&mint_pubkey));
let tx = Transaction::new(
&[
&mint_keypair,
&argument_keypair,
&invoked_argument_keypair,
&from_keypair,
],
message.clone(),
bank.last_blockhash(),
);
let (result, inner_instructions) = process_transaction_and_record_inner(&bank, tx);
let invoked_programs: Vec<Pubkey> = inner_instructions[0]
.iter()
.map(|ix| message.account_keys[ix.program_id_index as usize].clone())
.collect();
assert_eq!(invoked_programs, vec![]);
assert_eq!(
result.unwrap_err(),
TransactionError::InstructionError(0, InstructionError::ComputationalBudgetExceeded)
);
// Check final state
assert_eq!(43, bank.get_balance(&derived_key1));