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stake: add lamports overflow test for withdraw

This commit is contained in:
Trent Nelson 2021-02-12 17:35:44 -07:00 committed by Trent Nelson
parent b43d2bc882
commit ae82b5ebfd
1 changed files with 54 additions and 0 deletions
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54
programs/stake/src/stake_state.rs
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@ -3239,6 +3239,60 @@ mod tests {
);
assert_eq!(stake_account.borrow().lamports, 0);
assert_eq!(stake_keyed_account.state(), Ok(StakeState::Uninitialized));
// overflow
let rent = Rent::default();
let rent_exempt_reserve = rent.minimum_balance(std::mem::size_of::<StakeState>());
let authority_pubkey = Pubkey::new_unique();
let stake_pubkey = Pubkey::new_unique();
let stake_account = Account::new_ref_data_with_space(
1_000_000_000,
&StakeState::Initialized(Meta {
rent_exempt_reserve,
authorized: Authorized {
staker: authority_pubkey,
withdrawer: authority_pubkey,
},
lockup: Lockup::default(),
}),
std::mem::size_of::<StakeState>(),
&id(),
)
.expect("stake_account");
let stake2_pubkey = Pubkey::new_unique();
let stake2_account = Account::new_ref_data_with_space(
1_000_000_000,
&StakeState::Initialized(Meta {
rent_exempt_reserve,
authorized: Authorized {
staker: authority_pubkey,
withdrawer: authority_pubkey,
},
lockup: Lockup::default(),
}),
std::mem::size_of::<StakeState>(),
&id(),
)
.expect("stake2_account");
let stake_keyed_account = KeyedAccount::new(&stake_pubkey, true, &stake_account);
let stake2_keyed_account = KeyedAccount::new(&stake2_pubkey, false, &stake2_account);
let authority_account = Account::new_ref(42, 0, &system_program::id());
let authority_keyed_account =
KeyedAccount::new(&authority_pubkey, true, &authority_account);
assert_eq!(
stake_keyed_account.withdraw(
u64::MAX - 10,
&stake2_keyed_account,
&clock,
&StakeHistory::default(),
&authority_keyed_account,
None,
),
Err(InstructionError::InsufficientFunds),
);
}
#[test]