Remove uncles related code (paritytech#13216)

The code was added without any clear usage. The inherent for example is not benchmarked and not used.

Cargo.toml

@@ -32,7 +32,6 @@ members = [
 	"client/consensus/manual-seal",
 	"client/consensus/pow",
 	"client/consensus/slots",
-	"client/consensus/uncles",
 	"client/db",
 	"client/executor",
 	"client/executor/common",
@@ -177,7 +176,6 @@ members = [
 	"primitives/arithmetic",
 	"primitives/arithmetic/fuzzer",
 	"primitives/authority-discovery",
-	"primitives/authorship",
 	"primitives/beefy",
 	"primitives/block-builder",
 	"primitives/blockchain",

bin/node/cli/Cargo.toml

@@ -52,7 +52,6 @@ sp-api = { version = "4.0.0-dev", path = "../../../primitives/api" }
 sp-core = { version = "7.0.0", path = "../../../primitives/core" }
 sp-runtime = { version = "7.0.0", path = "../../../primitives/runtime" }
 sp-timestamp = { version = "4.0.0-dev", path = "../../../primitives/timestamp" }
-sp-authorship = { version = "4.0.0-dev", path = "../../../primitives/authorship" }
 sp-inherents = { version = "4.0.0-dev", path = "../../../primitives/inherents" }
 sp-keyring = { version = "7.0.0", path = "../../../primitives/keyring" }
 sp-keystore = { version = "0.13.0", path = "../../../primitives/keystore" }
@@ -71,7 +70,6 @@ sc-network = { version = "0.10.0-dev", path = "../../../client/network" }
 sc-network-common = { version = "0.10.0-dev", path = "../../../client/network/common" }
 sc-consensus-slots = { version = "0.10.0-dev", path = "../../../client/consensus/slots" }
 sc-consensus-babe = { version = "0.10.0-dev", path = "../../../client/consensus/babe" }
-sc-consensus-uncles = { version = "0.10.0-dev", path = "../../../client/consensus/uncles" }
 grandpa = { version = "0.10.0-dev", package = "sc-finality-grandpa", path = "../../../client/finality-grandpa" }
 sc-rpc = { version = "4.0.0-dev", path = "../../../client/rpc" }
 sc-basic-authorship = { version = "0.10.0-dev", path = "../../../client/basic-authorship" }

bin/node/cli/src/service.rs

@@ -222,10 +222,7 @@ pub fn new_partial(
 					slot_duration,
 				);
 
-			let uncles =
-				sp_authorship::InherentDataProvider::<<Block as BlockT>::Header>::check_inherents();
-
-			Ok((slot, timestamp, uncles))
+			Ok((slot, timestamp))
 		},
 		&task_manager.spawn_essential_handle(),
 		config.prometheus_registry(),
@@ -440,11 +437,6 @@ pub fn new_full_base(
 			create_inherent_data_providers: move |parent, ()| {
 				let client_clone = client_clone.clone();
 				async move {
-					let uncles = sc_consensus_uncles::create_uncles_inherent_data_provider(
-						&*client_clone,
-						parent,
-					)?;
-
 					let timestamp = sp_timestamp::InherentDataProvider::from_system_time();
 
 					let slot =
@@ -459,7 +451,7 @@ pub fn new_full_base(
 							&parent,
 						)?;
 
-					Ok((slot, timestamp, uncles, storage_proof))
+					Ok((slot, timestamp, storage_proof))
 				}
 			},
 			force_authoring,

bin/node/runtime/src/lib.rs

@@ -488,14 +488,8 @@ impl pallet_timestamp::Config for Runtime {
 	type WeightInfo = pallet_timestamp::weights::SubstrateWeight<Runtime>;
 }
 
-parameter_types! {
-	pub const UncleGenerations: BlockNumber = 5;
-}
-
 impl pallet_authorship::Config for Runtime {
 	type FindAuthor = pallet_session::FindAccountFromAuthorIndex<Self, Babe>;
-	type UncleGenerations = UncleGenerations;
-	type FilterUncle = ();
 	type EventHandler = (Staking, ImOnline);
 }
 

frame/authorship/Cargo.toml

@@ -20,7 +20,6 @@ impl-trait-for-tuples = "0.2.2"
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 frame-support = { version = "4.0.0-dev", default-features = false, path = "../support" }
 frame-system = { version = "4.0.0-dev", default-features = false, path = "../system" }
-sp-authorship = { version = "4.0.0-dev", default-features = false, path = "../../primitives/authorship" }
 sp-runtime = { version = "7.0.0", default-features = false, path = "../../primitives/runtime" }
 sp-std = { version = "5.0.0", default-features = false, path = "../../primitives/std" }
 
@@ -35,7 +34,6 @@ std = [
 	"frame-support/std",
 	"frame-system/std",
 	"scale-info/std",
-	"sp-authorship/std",
 	"sp-runtime/std",
 	"sp-std/std",
 ]