Nomination Pools

Cargo.toml

@@ -108,6 +108,8 @@ members = [
 	"frame/offences",
 	"frame/preimage",
 	"frame/proxy",
+	"frame/nomination-pools",
+	"frame/nomination-pools/benchmarking",
 	"frame/randomness-collective-flip",
 	"frame/recovery",
 	"frame/referenda",

bin/node/cli/src/chain_spec.rs

@@ -363,6 +363,7 @@ pub fn testnet_genesis(
 		gilt: Default::default(),
 		transaction_storage: Default::default(),
 		transaction_payment: Default::default(),
+		nomination_pools: Default::default(),
 	}
 }
 

bin/node/runtime/Cargo.toml

@@ -76,6 +76,8 @@ pallet-lottery = { version = "4.0.0-dev", default-features = false, path = "../.
 pallet-membership = { version = "4.0.0-dev", default-features = false, path = "../../../frame/membership" }
 pallet-mmr = { version = "4.0.0-dev", default-features = false, path = "../../../frame/merkle-mountain-range" }
 pallet-multisig = { version = "4.0.0-dev", default-features = false, path = "../../../frame/multisig" }
+pallet-nomination-pools = { version = "1.0.0", default-features = false, path = "../../../frame/nomination-pools"}
+pallet-nomination-pools-benchmarking = { version = "1.0.0", default-features = false, optional = true, path = "../../../frame/nomination-pools/benchmarking" }
 pallet-offences = { version = "4.0.0-dev", default-features = false, path = "../../../frame/offences" }
 pallet-offences-benchmarking = { version = "4.0.0-dev", path = "../../../frame/offences/benchmarking", default-features = false, optional = true }
 pallet-preimage = { version = "4.0.0-dev", default-features = false, path = "../../../frame/preimage" }
@@ -139,6 +141,7 @@ std = [
 	"pallet-membership/std",
 	"pallet-mmr/std",
 	"pallet-multisig/std",
+	"pallet-nomination-pools/std",
 	"pallet-identity/std",
 	"pallet-scheduler/std",
 	"node-primitives/std",
@@ -208,6 +211,7 @@ runtime-benchmarks = [
 	"pallet-membership/runtime-benchmarks",
 	"pallet-mmr/runtime-benchmarks",
 	"pallet-multisig/runtime-benchmarks",
+	"pallet-nomination-pools-benchmarking",
 	"pallet-offences-benchmarking",
 	"pallet-preimage/runtime-benchmarks",
 	"pallet-proxy/runtime-benchmarks",

bin/node/runtime/src/lib.rs

@@ -559,6 +559,7 @@ impl pallet_staking::Config for Runtime {
 	// Note that the aforementioned does not scale to a very large number of nominators.
 	type SortedListProvider = BagsList;
 	type MaxUnlockingChunks = ConstU32<32>;
+	type OnStakerSlash = NominationPools;
 	type WeightInfo = pallet_staking::weights::SubstrateWeight<Runtime>;
 	type BenchmarkingConfig = StakingBenchmarkingConfig;
 }
@@ -696,6 +697,37 @@ impl pallet_bags_list::Config for Runtime {
 	type Score = sp_npos_elections::VoteWeight;
 }
 
+parameter_types! {
+	pub const PostUnbondPoolsWindow: u32 = 4;
+	pub const NominationPoolsPalletId: PalletId = PalletId(*b"py/npols");
+}
+
+use sp_runtime::traits::Convert;
+pub struct BalanceToU256;
+impl Convert<Balance, sp_core::U256> for BalanceToU256 {
+	fn convert(balance: Balance) -> sp_core::U256 {
+		sp_core::U256::from(balance)
+	}
+}
+pub struct U256ToBalance;
+impl Convert<sp_core::U256, Balance> for U256ToBalance {
+	fn convert(n: sp_core::U256) -> Balance {
+		n.try_into().unwrap_or(Balance::max_value())
+	}
+}
+
+impl pallet_nomination_pools::Config for Runtime {
+	type WeightInfo = ();
+	type Event = Event;
+	type Currency = Balances;
+	type BalanceToU256 = BalanceToU256;
+	type U256ToBalance = U256ToBalance;
+	type StakingInterface = pallet_staking::Pallet<Self>;
+	type PostUnbondingPoolsWindow = PostUnbondPoolsWindow;
+	type MaxMetadataLen = ConstU32<256>;
+	type PalletId = NominationPoolsPalletId;
+}
+
 parameter_types! {
 	pub const VoteLockingPeriod: BlockNumber = 30 * DAYS;
 }
@@ -1449,6 +1481,7 @@ construct_runtime!(
 		Referenda: pallet_referenda,
 		ConvictionVoting: pallet_conviction_voting,
 		Whitelist: pallet_whitelist,
+		NominationPools: pallet_nomination_pools,
 	}
 );
 
@@ -1532,6 +1565,7 @@ mod benches {
 		[pallet_membership, TechnicalMembership]
 		[pallet_mmr, Mmr]
 		[pallet_multisig, Multisig]
+		[pallet_nomination_pools, NominationPoolsBench::<Runtime>]
 		[pallet_offences, OffencesBench::<Runtime>]
 		[pallet_preimage, Preimage]
 		[pallet_proxy, Proxy]
@@ -1840,6 +1874,7 @@ impl_runtime_apis! {
 			use pallet_offences_benchmarking::Pallet as OffencesBench;
 			use frame_system_benchmarking::Pallet as SystemBench;
 			use baseline::Pallet as BaselineBench;
+			use pallet_nomination_pools_benchmarking::Pallet as NominationPoolsBench;
 
 			let mut list = Vec::<BenchmarkList>::new();
 			list_benchmarks!(list, extra);
@@ -1861,11 +1896,13 @@ impl_runtime_apis! {
 			use pallet_offences_benchmarking::Pallet as OffencesBench;
 			use frame_system_benchmarking::Pallet as SystemBench;
 			use baseline::Pallet as BaselineBench;
+			use pallet_nomination_pools_benchmarking::Pallet as NominationPoolsBench;
 
 			impl pallet_session_benchmarking::Config for Runtime {}
 			impl pallet_offences_benchmarking::Config for Runtime {}
 			impl frame_system_benchmarking::Config for Runtime {}
 			impl baseline::Config for Runtime {}
+			impl pallet_nomination_pools_benchmarking::Config for Runtime {}
 
 			let whitelist: Vec<TrackedStorageKey> = vec![
 				// Block Number

frame/bags-list/src/benchmarks.rs

@@ -175,10 +175,10 @@ frame_benchmarking::benchmarks! {
 			vec![heavier, lighter, heavier_prev, heavier_next]
 		)
 	}
-}
 
-frame_benchmarking::impl_benchmark_test_suite!(
-	Pallet,
-	crate::mock::ExtBuilder::default().skip_genesis_ids().build(),
-	crate::mock::Runtime
-);
+	impl_benchmark_test_suite!(
+		Pallet,
+		crate::mock::ExtBuilder::default().skip_genesis_ids().build(),
+		crate::mock::Runtime
+	);
+}

frame/nomination-pools/Cargo.toml

@@ -0,0 +1,42 @@
+[package]
+name = "pallet-nomination-pools"
+version = "1.0.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+license = "Apache-2.0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+description = "FRAME pools pallet"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+# parity
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
+scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
+
+# FRAME
+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-runtime = { version = "6.0.0", default-features = false, path = "../../primitives/runtime" }
+sp-std = { version = "4.0.0", default-features = false, path = "../../primitives/std" }
+sp-staking = { version = "4.0.0-dev", default-features = false, path = "../../primitives/staking" }
+sp-core = { version = "6.0.0", default-features = false, path = "../../primitives/core" }
+sp-io = { version = "6.0.0",  default-features = false, path = "../../primitives/io" }
+
+[dev-dependencies]
+pallet-balances = { version = "4.0.0-dev", path = "../balances" }
+sp-tracing = { version = "5.0.0", path = "../../primitives/tracing" }
+
+[features]
+default = ["std"]
+std = [
+	"codec/std",
+	"sp-core/std",
+	"sp-io/std",
+	"scale-info/std",
+	"sp-std/std",
+	"frame-support/std",
+	"frame-system/std",
+]

frame/nomination-pools/benchmarking/Cargo.toml

@@ -0,0 +1,57 @@
+[package]
+name = "pallet-nomination-pools-benchmarking"
+version = "1.0.0"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+license = "Apache-2.0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+description = "FRAME nomination pools pallet benchmarking"
+readme = "README.md"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+# parity
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
+scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
+
+# FRAME
+frame-benchmarking = { version = "4.0.0-dev", default-features = false, path = "../../benchmarking" }
+frame-election-provider-support = { version = "4.0.0-dev", default-features = false, path = "../../election-provider-support" }
+frame-support = { version = "4.0.0-dev", default-features = false, path = "../../support" }
+frame-system = { version = "4.0.0-dev", default-features = false, path = "../../system" }
+pallet-bags-list = { version = "4.0.0-dev", default-features = false, features = ["runtime-benchmarks"], path = "../../bags-list" }
+pallet-staking = { version = "4.0.0-dev", default-features = false, features = ["runtime-benchmarks"], path = "../../staking" }
+pallet-nomination-pools = { version = "1.0.0", default-features = false, path = "../" }
+
+# Substrate Primitives
+sp-runtime = { version = "6.0.0", default-features = false, path = "../../../primitives/runtime" }
+sp-staking = { version = "4.0.0-dev", default-features = false, path = "../../../primitives/staking" }
+sp-std = { version = "4.0.0", default-features = false, path = "../../../primitives/std" }
+
+log = { version = "0.4.14", default-features = false }
+
+[dev-dependencies]
+pallet-balances = { version = "4.0.0-dev", default-features = false, path = "../../balances" }
+pallet-timestamp = { version = "4.0.0-dev", path = "../../timestamp" }
+pallet-staking-reward-curve = { version = "4.0.0-dev", path = "../../staking/reward-curve" }
+sp-core = { version = "6.0.0", path = "../../../primitives/core" }
+sp-io = { version = "6.0.0", path = "../../../primitives/io" }
+
+
+[features]
+default = ["std"]
+std = [
+	"frame-benchmarking/std",
+	"frame-support/std",
+	"frame-system/std",
+	"frame-election-provider-support/std",
+	"pallet-balances/std",
+	"pallet-bags-list/std",
+	"pallet-staking/std",
+	"pallet-nomination-pools/std",
+	"sp-runtime/std",
+	"sp-staking/std"
+]