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Ryo Onodera 2021-07-01 17:13:45 +09:00 committed by Michael Vines
parent 4fa902c84f
commit 0f1c0c2796
1 changed files with 13 additions and 2 deletions
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15
runtime/src/bank.rs
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@ -1535,7 +1535,13 @@ impl Bank {
let mut new_account = updater(&old_account);
if self.rent_for_sysvars() {
// always re-calculate for possible data size change
// When new sysvar comes into existence (with RENT_UNADJUSTED_INITIAL_BALANCE lamports),
// this code ensures that the sysvar's balance is adjusted to be rent-exempt.
// Note that all of existing sysvar balances must be adjusted immediately (i.e. reset) upon
// the `rent_for_sysvars` feature activation (ref: reset_all_sysvar_balances).
//
// More generally, this code always re-calculates for possible sysvar data size change,
// although there is no such sysvars currently.
self.adjust_sysvar_balance_for_rent(&mut new_account);
}
@ -1546,8 +1552,13 @@ impl Bank {
&self,
old_account: &Option<AccountSharedData>,
) -> InheritableAccountFields {
const RENT_UNADJUSTED_INITIAL_BALANCE: u64 = 1;
(
old_account.as_ref().map(|a| a.lamports()).unwrap_or(1),
old_account
.as_ref()
.map(|a| a.lamports())
.unwrap_or(RENT_UNADJUSTED_INITIAL_BALANCE),
if !self.rent_for_sysvars() {
INITIAL_RENT_EPOCH
} else {