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Use Saturating Math in XCM #5845

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merged 2 commits into from
Aug 1, 2022
Merged

Use Saturating Math in XCM #5845

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03c8085
saturating xcm
shawntabrizi Aug 1, 2022
44598c8
Even more saturating
ggwpez Aug 1, 2022
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16 changes: 10 additions & 6 deletions xcm/pallet-xcm/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -417,13 +417,17 @@ pub mod pallet {
// by the destinations being most sent to.
let mut q = VersionDiscoveryQueue::<T>::take().into_inner();
// TODO: correct weights.
weight_used += T::DbWeight::get().read + T::DbWeight::get().write;
weight_used.saturating_accrue(
T::DbWeight::get().read.saturating_add(T::DbWeight::get().write),
);
q.sort_by_key(|i| i.1);
while let Some((versioned_dest, _)) = q.pop() {
if let Ok(dest) = MultiLocation::try_from(versioned_dest) {
if Self::request_version_notify(dest).is_ok() {
// TODO: correct weights.
weight_used += T::DbWeight::get().read + T::DbWeight::get().write;
weight_used.saturating_accrue(
T::DbWeight::get().read.saturating_add(T::DbWeight::get().write),
);
break
}
}
Expand Down Expand Up @@ -490,7 +494,7 @@ pub mod pallet {
WithdrawAsset(assets),
InitiateTeleport { assets: Wild(All), dest, xcm: Xcm(vec![]) },
]);
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000 + w)
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000.saturating_add(w))
},
_ => Weight::max_value(),
}
Expand Down Expand Up @@ -528,7 +532,7 @@ pub mod pallet {
let mut message = Xcm(vec![
TransferReserveAsset { assets, dest, xcm: Xcm(vec![]) }
]);
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000 + w)
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000.saturating_add(w))
},
_ => Weight::max_value(),
}
Expand Down Expand Up @@ -690,7 +694,7 @@ pub mod pallet {
let mut message = Xcm(vec![
TransferReserveAsset { assets, dest, xcm: Xcm(vec![]) }
]);
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000 + w)
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000.saturating_add(w))
},
_ => Weight::max_value(),
}
Expand Down Expand Up @@ -740,7 +744,7 @@ pub mod pallet {
WithdrawAsset(assets),
InitiateTeleport { assets: Wild(All), dest, xcm: Xcm(vec![]) },
]);
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000 + w)
T::Weigher::weight(&mut message).map_or(Weight::max_value(), |w| 100_000_000.saturating_add(w))
},
_ => Weight::max_value(),
}
Expand Down