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[pallet-broker] Use saturating math in input validation (#4151)

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Changes:
- Saturate in the input validation of he drop history function or
pallet-broker.

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Oliver Tale-Yazdi
2024-04-16 13:08:26 +03:00
committed by GitHub
parent 4b5c3fd0cb
commit 8891b70fe2
3 changed files with 16 additions and 1 deletions
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substrate/frame/broker/src/dispatchable_impls.rs
+4 -1
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@@ -419,7 +419,10 @@ impl<T: Config> Pallet<T> {
pub(crate) fn do_drop_history(when: Timeslice) -> DispatchResult {
let config = Configuration::<T>::get().ok_or(Error::<T>::Uninitialized)?;
let status = Status::<T>::get().ok_or(Error::<T>::Uninitialized)?;
ensure!(status.last_timeslice > when + config.contribution_timeout, Error::<T>::StillValid);
ensure!(
status.last_timeslice > when.saturating_add(config.contribution_timeout),
Error::<T>::StillValid
);
let record = InstaPoolHistory::<T>::take(when).ok_or(Error::<T>::NoHistory)?;
if let Some(payout) = record.maybe_payout {
let _ = Self::charge(&Self::account_id(), payout);