Companion for substrate #9371 (#3487)

* Add MaxAuthorities to aura pallet config

* update Substrate

Co-authored-by: parity-processbot <>

bridges/bin/millau/runtime/src/lib.rs

@@ -207,8 +207,13 @@ impl frame_system::Config for Runtime {
 
 impl pallet_randomness_collective_flip::Config for Runtime {}
 
+parameter_types! {
+	pub const MaxAuthorities: u32 = 10;
+}
+
 impl pallet_aura::Config for Runtime {
 	type AuthorityId = AuraId;
+	type MaxAuthorities = MaxAuthorities;
 }
 impl pallet_bridge_dispatch::Config for Runtime {
 	type Event = Event;

bridges/bin/rialto/runtime/src/lib.rs

@@ -215,8 +215,13 @@ impl frame_system::Config for Runtime {
 
 impl pallet_randomness_collective_flip::Config for Runtime {}
 
+parameter_types! {
+	pub const MaxAuthorities: u32 = 10;
+}
+
 impl pallet_aura::Config for Runtime {
 	type AuthorityId = AuraId;
+	type MaxAuthorities = MaxAuthorities;
 }
 
 type RialtoPoA = pallet_bridge_eth_poa::Instance1;