Distance pallet benchmark

pallets/distance/src/benchmarking.rs

@@ -18,6 +18,7 @@
 
 use super::*;
 
+use codec::Encode;
 use frame_benchmarking::{benchmarks, vec};
 use frame_support::traits::{Currency, OnFinalize};
 use frame_system::RawOrigin;
@@ -55,10 +56,15 @@ benchmarks! {
         assert!(IdentityDistanceStatus::<T>::get(&idty) == Some((caller, DistanceStatus::Pending)), "Request not added");
     }
     update_evaluation {
-            let idty = T::IdtyIndex::one();
-            let caller: T::AccountId  = pallet_identity::Identities::<T>::get(idty).unwrap().owner_key;
-            let caller_origin: <T as frame_system::Config>::RuntimeOrigin = RawOrigin::Signed(caller.clone()).into();
-            let i in 1 .. MAX_EVALUATIONS_PER_SESSION => populate_pool::<T>(i)?;
+        let digest_data = sp_consensus_babe::digests::PreDigest::SecondaryPlain(
+        sp_consensus_babe::digests::SecondaryPlainPreDigest { authority_index: 0u32, slot: Default::default() });
+        // A BABE digest item is needed to check authorship
+        let digest = sp_runtime::DigestItem::PreRuntime(*b"BABE", digest_data.encode());
+        let _ = <frame_system::Pallet<T>>::deposit_log(digest);
+        let idty = T::IdtyIndex::one();
+        let caller: T::AccountId  = pallet_identity::Identities::<T>::get(idty).unwrap().owner_key;
+        let caller_origin: <T as frame_system::Config>::RuntimeOrigin = RawOrigin::Signed(caller.clone()).into();
+        let i in 1 .. MAX_EVALUATIONS_PER_SESSION => populate_pool::<T>(i)?;
     }: _<T::RuntimeOrigin>(RawOrigin::None.into(), ComputationResult{distances: vec![Perbill::one(); i as usize]})
     force_update_evaluation {
             let idty = T::IdtyIndex::one();