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refactor rent_due for normal case of exempt (#23350)

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This commit is contained in:
Jeff Washington (jwash)
2022-02-28 09:42:42 -06:00
committed by GitHub
parent ee3fc39f1c
commit 611d745241
2 changed files with 26 additions and 14 deletions
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11
sdk/program/src/rent.rs
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@ -68,12 +68,17 @@ impl Rent {
if self.is_exempt(balance, data_len) {
RentDue::Exempt
} else {
let actual_data_len = data_len as u64 + ACCOUNT_STORAGE_OVERHEAD;
let lamports_per_year = self.lamports_per_byte_year * actual_data_len;
RentDue::Paying((lamports_per_year as f64 * years_elapsed) as u64)
RentDue::Paying(self.due_amount(data_len, years_elapsed))
}
}
/// rent due for account that is known to be not exempt
pub fn due_amount(&self, data_len: usize, years_elapsed: f64) -> u64 {
let actual_data_len = data_len as u64 + ACCOUNT_STORAGE_OVERHEAD;
let lamports_per_year = self.lamports_per_byte_year * actual_data_len;
(lamports_per_year as f64 * years_elapsed) as u64
}
pub fn free() -> Self {
Self {
lamports_per_byte_year: 0,