add dummy for report of invalid fork commitments

frame/beefy/src/lib.rs

@@ -366,6 +366,20 @@ impl<T: Config> Pallet<T> {
 		T::EquivocationReportSystem::publish_evidence((equivocation_proof, key_owner_proof)).ok()
 	}
 
+	/// Submits an extrinsic to report an invalid fork signed by potentially
+	/// multiple signatories. This method will create an unsigned extrinsic with
+	/// a call to `report_invalid_fork_unsigned` and will push the transaction
+	/// to the pool. Only useful in an offchain context.
+	pub fn submit_unsigned_invalid_fork_report(
+		_invalid_fork_proof: sp_consensus_beefy::InvalidForkCommitmentProof<BlockNumberFor<T>, T::BeefyId,
+			<T::BeefyId as RuntimeAppPublic>::Signature,
+>,
+		_key_owner_proofs: Vec<T::KeyOwnerProof>,
+	) -> Option<()> {
+		// T::EquivocationReportSystem::publish_evidence((invalid_fork_proof, key_owner_proofs)).ok()
+		None
+	}
+
 	fn change_authorities(
 		new: BoundedVec<T::BeefyId, T::MaxAuthorities>,
 		queued: BoundedVec<T::BeefyId, T::MaxAuthorities>,

primitives/consensus/beefy/src/lib.rs

@@ -389,7 +389,7 @@ impl<AuthorityId> OnNewValidatorSet<AuthorityId> for () {
 /// the runtime API boundary this type is unknown and as such we keep this
 /// opaque representation, implementors of the runtime API will have to make
 /// sure that all usages of `OpaqueKeyOwnershipProof` refer to the same type.
-#[derive(Decode, Encode, PartialEq, TypeInfo)]
+#[derive(Decode, Encode, PartialEq, TypeInfo, Clone)]
 pub struct OpaqueKeyOwnershipProof(Vec<u8>);
 impl OpaqueKeyOwnershipProof {
 	/// Create a new `OpaqueKeyOwnershipProof` using the given encoded