[Staking] Allow nominators to be non-slashable and fast unbondable

cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/pallet_staking_async.rs

@@ -771,7 +771,7 @@ impl<T: frame_system::Config> pallet_staking_async::WeightInfo for WeightInfo<T>
 	/// Proof: `Staking::VirtualStakers` (`max_values`: None, `max_size`: Some(40), added: 2515, mode: `MaxEncodedLen`)
 	/// Storage: `Balances::Holds` (r:65 w:65)
 	/// Proof: `Balances::Holds` (`max_values`: None, `max_size`: Some(265), added: 2740, mode: `MaxEncodedLen`)
-	fn apply_slash() -> Weight {
+	fn apply_slash(_n: u32) -> Weight {
 		// Proof Size summary in bytes:
 		//  Measured:  `214677`
 		//  Estimated: `210810`

substrate/frame/nomination-pools/src/adapter.rs

@@ -90,9 +90,12 @@ pub trait StakeStrategy {
 	/// The type of staking strategy of the current adapter.
 	fn strategy_type() -> StakeStrategyType;
 
-	/// See [`StakingInterface::bonding_duration`].
+	/// See [`StakingInterface::nominator_bonding_duration`].
+	///
+	/// Pool accounts are nominators, so they use the nominator bonding duration which can be
+	/// shorter than the validator bonding duration when nominators are not slashable.
 	fn bonding_duration() -> EraIndex {
-		Self::CoreStaking::bonding_duration()
+		Self::CoreStaking::nominator_bonding_duration()
 	}
 
 	/// See [`StakingInterface::current_era`].

substrate/frame/nomination-pools/test-delegate-stake/Cargo.toml

@@ -30,9 +30,10 @@ frame-system = { workspace = true, default-features = true }
 
 pallet-bags-list = { workspace = true, default-features = true }
 pallet-balances = { workspace = true, default-features = true }
-pallet-delegated-staking = { workspace = true, default-features = true }
+pallet-delegated-staking = { workspace = true, default-features = true, features = ["runtime-benchmarks"] }
 pallet-nomination-pools = { workspace = true, default-features = true }
-pallet-staking = { workspace = true, default-features = true }
+pallet-staking-async = { workspace = true, default-features = true, features = ["runtime-benchmarks"] }
+pallet-staking-async-rc-client = { workspace = true, default-features = true }
 pallet-staking-reward-curve = { workspace = true, default-features = true }
 pallet-timestamp = { workspace = true, default-features = true }