From fd860501b07ae635c029dfd9a05ba934cc979f87 Mon Sep 17 00:00:00 2001
From: Gavin Wood <gavin@parity.io>
Date: Fri, 19 Mar 2021 20:47:28 +0100
Subject: [PATCH] Make work for no_std (#8402)
---
substrate/frame/staking/reward-fn/src/lib.rs | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/substrate/frame/staking/reward-fn/src/lib.rs b/substrate/frame/staking/reward-fn/src/lib.rs
index b697842fa69..6c54fec9239 100644
--- a/substrate/frame/staking/reward-fn/src/lib.rs
+++ b/substrate/frame/staking/reward-fn/src/lib.rs
@@ -15,6 +15,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+#![cfg_attr(not(feature = "std"), no_std)]
+
//! Useful function for inflation for nominated proof of stake.
use sp_arithmetic::{Perquintill, PerThing, biguint::BigUint, traits::{Zero, SaturatedConversion}};
@@ -72,7 +74,7 @@ pub fn compute_inflation<P: PerThing>(
a.lstrip();
a
};
-
+
let mut falloff = BigUint::from(falloff.deconstruct().into());
falloff.lstrip();
@@ -228,7 +230,7 @@ fn div_by_stripped(mut a: BigUint, b: &BigUint) -> BigUint {
.div_unit(100_000)
.div_unit(100_000)
}
-
+
a.div(b, false)
.map(|res| res.0)
.unwrap_or_else(|| BigUint::zero())
--
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