Mise à jour de GitLab prévue ce samedi 23 octobre 2021 à partir de 9h00 CET

Commit cffe0092 authored by Éloïs's avatar Éloïs
Browse files

fix(pallet-ud): ensure that we not divide by zero

parent f46d6c8e
......@@ -28,7 +28,10 @@ mod tests;
mod benchmarking;
use frame_support::traits::Currency;
use sp_arithmetic::{per_things::Permill, traits::Zero};
use sp_arithmetic::{
per_things::Permill,
traits::{One, Zero},
};
use sp_std::prelude::*;
const OFFCHAIN_PREFIX_UD_HISTORY: &[u8] = b"ud::history::";
......@@ -230,9 +233,14 @@ pub mod pallet {
ud_t: BalanceOf<T>,
c_square: Permill,
monetary_mass: BalanceOf<T>,
members_count: BalanceOf<T>,
mut members_count: BalanceOf<T>,
count_uds_beetween_two_reevals: BalanceOf<T>, // =(dt/udFrequency)
) -> BalanceOf<T> {
// Ensure that we not divide by zero
if members_count.is_zero() {
members_count = One::one();
}
// UD(t+1) = UD(t) + c² (M(t+1) / N(t+1)) / (dt/udFrequency)
ud_t + c_square * monetary_mass / (members_count * count_uds_beetween_two_reevals)
}
......
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