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Ensure Amount uses checked ops

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Luke Parker 2023-01-20 08:08:20 -05:00
parent 8ca90e7905
commit 27f5881553
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1 changed files with 11 additions and 5 deletions
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16
substrate/serai/primitives/src/amount.rs
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@ -1,6 +1,4 @@
use core::{
ops::{Add, Mul},
};
use core::ops::{Add, Sub, Mul};
use scale::{Encode, Decode, MaxEncodedLen};
use scale_info::TypeInfo;
@ -21,13 +19,21 @@ pub const COIN: Amount = Amount(1_000_000_00);
impl Add for Amount {
type Output = Amount;
fn add(self, other: Amount) -> Amount {
Amount(self.0 + other.0)
// Explicitly use checked_add so even if range checks are disabled, this is still checked
Amount(self.0.checked_add(other.0).unwrap())
}
}
impl Sub for Amount {
type Output = Amount;
fn sub(self, other: Amount) -> Amount {
Amount(self.0.checked_sub(other.0).unwrap())
}
}
impl Mul for Amount {
type Output = Amount;
fn mul(self, other: Amount) -> Amount {
Amount(self.0 * other.0)
Amount(self.0.checked_mul(other.0).unwrap())
}
}