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This commit is contained in:
Ryo Onodera 2021-07-01 20:30:48 +09:00 committed by Michael Vines
parent bd3c93f086
commit b0734fabf7
1 changed files with 17 additions and 10 deletions
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27
runtime/src/bank.rs
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@ -11753,20 +11753,27 @@ pub(crate) mod tests {
fn test_adjust_sysvar_balance_for_rent() { fn test_adjust_sysvar_balance_for_rent() {
let (genesis_config, _mint_keypair) = create_genesis_config(0); let (genesis_config, _mint_keypair) = create_genesis_config(0);
let bank = Bank::new(&genesis_config); let bank = Bank::new(&genesis_config);
let mut sample_sysvar = bank.get_account(&sysvar::clock::id()).unwrap(); let mut smaller_sample_sysvar = bank.get_account(&sysvar::clock::id()).unwrap();
assert_eq!(sample_sysvar.lamports(), 1); assert_eq!(smaller_sample_sysvar.lamports(), 1);
bank.adjust_sysvar_balance_for_rent(&mut sample_sysvar); bank.adjust_sysvar_balance_for_rent(&mut smaller_sample_sysvar);
let rent_exempt_balance_for_sysvar_clock = 1169280;
assert_eq!( assert_eq!(
sample_sysvar.lamports(), smaller_sample_sysvar.lamports(),
rent_exempt_balance_for_sysvar_clock bank.get_minimum_balance_for_rent_exemption(smaller_sample_sysvar.data().len()),
); );
let mut bigger_sample_sysvar = AccountSharedData::new(
1,
smaller_sample_sysvar.data().len() + 1,
&Pubkey::default(),
);
bank.adjust_sysvar_balance_for_rent(&mut bigger_sample_sysvar);
assert!(smaller_sample_sysvar.lamports() < bigger_sample_sysvar.lamports());
// excess lamports shouldn't be reduced by adjust_sysvar_balance_for_rent() // excess lamports shouldn't be reduced by adjust_sysvar_balance_for_rent()
let excess_lamports = 9_999_999; let excess_lamports = smaller_sample_sysvar.lamports() + 999;
sample_sysvar.set_lamports(excess_lamports); smaller_sample_sysvar.set_lamports(excess_lamports);
bank.adjust_sysvar_balance_for_rent(&mut sample_sysvar); bank.adjust_sysvar_balance_for_rent(&mut smaller_sample_sysvar);
assert_eq!(sample_sysvar.lamports(), excess_lamports); assert_eq!(smaller_sample_sysvar.lamports(), excess_lamports);
} }
// this test can be removed after rent_for_sysvars activation on mainnet-beta // this test can be removed after rent_for_sysvars activation on mainnet-beta