Introduce NIS functionality into Kusama/Rococo

node/service/src/chain_spec.rs

@@ -767,10 +767,10 @@ fn kusama_staging_testnet_config_genesis(wasm_binary: &[u8]) -> kusama::GenesisC
 		configuration: kusama::ConfigurationConfig {
 			config: default_parachains_host_configuration(),
 		},
-		gilt: Default::default(),
 		paras: Default::default(),
 		xcm_pallet: Default::default(),
 		nomination_pools: Default::default(),
+		nis_counterpart_balances: Default::default(),
 	}
 }
 
@@ -1073,11 +1073,11 @@ fn rococo_staging_testnet_config_genesis(wasm_binary: &[u8]) -> rococo_runtime::
 		configuration: rococo_runtime::ConfigurationConfig {
 			config: default_parachains_host_configuration(),
 		},
-		gilt: Default::default(),
 		registrar: rococo_runtime::RegistrarConfig {
 			next_free_para_id: polkadot_primitives::v2::LOWEST_PUBLIC_ID,
 		},
 		xcm_pallet: Default::default(),
+		nis_counterpart_balances: Default::default(),
 	}
 }
 
@@ -1466,10 +1466,10 @@ pub fn kusama_testnet_genesis(
 		configuration: kusama::ConfigurationConfig {
 			config: default_parachains_host_configuration(),
 		},
-		gilt: Default::default(),
 		paras: Default::default(),
 		xcm_pallet: Default::default(),
 		nomination_pools: Default::default(),
+		nis_counterpart_balances: Default::default(),
 	}
 }
 
@@ -1629,12 +1629,12 @@ pub fn rococo_testnet_genesis(
 				..default_parachains_host_configuration()
 			},
 		},
-		gilt: Default::default(),
 		paras: rococo_runtime::ParasConfig { paras: vec![] },
 		registrar: rococo_runtime::RegistrarConfig {
 			next_free_para_id: polkadot_primitives::v2::LOWEST_PUBLIC_ID,
 		},
 		xcm_pallet: Default::default(),
+		nis_counterpart_balances: Default::default(),
 	}
 }
 

runtime/common/src/impls.rs

@@ -61,7 +61,7 @@ where
 
 pub fn era_payout(
 	total_staked: Balance,
-	non_gilt_issuance: Balance,
+	total_stakable: Balance,
 	max_annual_inflation: Perquintill,
 	period_fraction: Perquintill,
 	auctioned_slots: u64,
@@ -79,17 +79,17 @@ pub fn era_payout(
 	// amount that we expect to be taken up with auctions.
 	let ideal_stake = Perquintill::from_percent(75).saturating_sub(auction_proportion);
 
-	let stake = Perquintill::from_rational(total_staked, non_gilt_issuance);
+	let stake = Perquintill::from_rational(total_staked, total_stakable);
 	let falloff = Perquintill::from_percent(5);
 	let adjustment = compute_inflation(stake, ideal_stake, falloff);
 	let staking_inflation =
 		min_annual_inflation.saturating_add(delta_annual_inflation * adjustment);
 
-	let max_payout = period_fraction * max_annual_inflation * non_gilt_issuance;
-	let staking_payout = (period_fraction * staking_inflation) * non_gilt_issuance;
+	let max_payout = period_fraction * max_annual_inflation * total_stakable;
+	let staking_payout = (period_fraction * staking_inflation) * total_stakable;
 	let rest = max_payout.saturating_sub(staking_payout);
 
-	let other_issuance = non_gilt_issuance.saturating_sub(total_staked);
+	let other_issuance = total_stakable.saturating_sub(total_staked);
 	if total_staked > other_issuance {
 		let _cap_rest = Perquintill::from_rational(other_issuance, total_staked) * staking_payout;
 		// We don't do anything with this, but if we wanted to, we could introduce a cap on the

runtime/kusama/Cargo.toml

@@ -54,7 +54,7 @@ pallet-election-provider-multi-phase = { git = "https://github.com/paritytech/su
 pallet-fast-unstake = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 frame-executive = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-pallet-gilt = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+pallet-nis = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-identity = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-im-online = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 pallet-indices = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -150,7 +150,7 @@ std = [
 	"pallet-election-provider-multi-phase/std",
 	"pallet-fast-unstake/std",
 	"pallet-democracy/std",
-	"pallet-gilt/std",
+	"pallet-nis/std",
 	"pallet-grandpa/std",
 	"pallet-identity/std",
 	"pallet-im-online/std",
@@ -216,7 +216,7 @@ runtime-benchmarks = [
 	"pallet-election-provider-multi-phase/runtime-benchmarks",
 	"pallet-election-provider-support-benchmarking/runtime-benchmarks",
 	"pallet-fast-unstake/runtime-benchmarks",
-	"pallet-gilt/runtime-benchmarks",
+	"pallet-nis/runtime-benchmarks",
 	"pallet-grandpa/runtime-benchmarks",
 	"pallet-identity/runtime-benchmarks",
 	"pallet-im-online/runtime-benchmarks",
@@ -267,7 +267,7 @@ try-runtime = [
 	"pallet-election-provider-multi-phase/try-runtime",
 	"pallet-fast-unstake/try-runtime",
 	"pallet-democracy/try-runtime",
-	"pallet-gilt/try-runtime",
+	"pallet-nis/try-runtime",
 	"pallet-grandpa/try-runtime",
 	"pallet-identity/try-runtime",
 	"pallet-im-online/try-runtime",

runtime/kusama/src/lib.rs

@@ -20,6 +20,7 @@
 // `construct_runtime!` does a lot of recursion and requires us to increase the limit to 256.
 #![recursion_limit = "256"]
 
+use pallet_nis::WithMaximumOf;
 use parity_scale_codec::{Decode, Encode, MaxEncodedLen};
 use primitives::v2::{
 	AccountId, AccountIndex, Balance, BlockNumber, CandidateEvent, CommittedCandidateReceipt,
@@ -53,7 +54,7 @@ use frame_support::{
 	construct_runtime, parameter_types,
 	traits::{
 		ConstU32, Contains, EitherOf, EitherOfDiverse, InstanceFilter, KeyOwnerProofSystem,
-		LockIdentifier, PrivilegeCmp, WithdrawReasons,
+		LockIdentifier, PrivilegeCmp, StorageMapShim, WithdrawReasons,
 	},
 	weights::ConstantMultiplier,
 	PalletId, RuntimeDebug,
@@ -63,7 +64,7 @@ use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
 use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
 use pallet_session::historical as session_historical;
 use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
-use sp_core::OpaqueMetadata;
+use sp_core::{ConstU128, OpaqueMetadata};
 use sp_mmr_primitives as mmr;
 use sp_runtime::{
 	create_runtime_str, generic, impl_opaque_keys,
@@ -537,7 +538,7 @@ impl pallet_staking::EraPayout<Balance> for EraPayout {
 
 		runtime_common::impls::era_payout(
 			total_staked,
-			Gilt::issuance().non_gilt,
+			Nis::issuance().other,
 			MAX_ANNUAL_INFLATION,
 			Perquintill::from_rational(era_duration_millis, MILLISECONDS_PER_YEAR),
 			auctioned_slots,
@@ -1027,7 +1028,7 @@ impl InstanceFilter<RuntimeCall> for ProxyType {
 				RuntimeCall::Scheduler(..) |
 				RuntimeCall::Proxy(..) |
 				RuntimeCall::Multisig(..) |
-				RuntimeCall::Gilt(..) |
+				RuntimeCall::Nis(..) |
 				RuntimeCall::Registrar(paras_registrar::Call::register {..}) |
 				RuntimeCall::Registrar(paras_registrar::Call::deregister {..}) |
 				// Specifically omitting Registrar `swap`
@@ -1246,33 +1247,57 @@ impl auctions::Config for Runtime {
 	type WeightInfo = weights::runtime_common_auctions::WeightInfo<Runtime>;
 }
 
+type NisCounterpartInstance = pallet_balances::Instance2;
+impl pallet_balances::Config<NisCounterpartInstance> for Runtime {
+	type Balance = Balance;
+	type DustRemoval = ();
+	type RuntimeEvent = RuntimeEvent;
+	type ExistentialDeposit = ConstU128<10_000_000_000>; // One KTC cent
+	type AccountStore = StorageMapShim<
+		pallet_balances::Account<Runtime, NisCounterpartInstance>,
+		frame_system::Provider<Runtime>,
+		AccountId,
+		pallet_balances::AccountData<u128>,
+	>;
+	type MaxLocks = ConstU32<4>;
+	type MaxReserves = ConstU32<4>;
+	type ReserveIdentifier = [u8; 8];
+	type WeightInfo = weights::pallet_balances_nis_counterpart_balances::WeightInfo<Runtime>;
+}
+
 parameter_types! {
 	pub IgnoredIssuance: Balance = Treasury::pot();
-	pub const QueueCount: u32 = 300;
-	pub const MaxQueueLen: u32 = 1000;
-	pub const FifoQueueLen: u32 = 250;
-	pub const GiltPeriod: BlockNumber = 30 * DAYS;
-	pub const MinFreeze: Balance = 10_000 * CENTS;
+	pub const NisBasePeriod: BlockNumber = 30 * DAYS;
+	pub const MinBid: Balance = 100 * QUID;
+	pub MinReceipt: Perquintill = Perquintill::from_rational(1u64, 10_000_000u64);
 	pub const IntakePeriod: BlockNumber = 5 * MINUTES;
-	pub const MaxIntakeBids: u32 = 100;
+	pub MaxIntakeWeight: Weight = MAXIMUM_BLOCK_WEIGHT / 10;
+	pub const ThawThrottle: (Perquintill, BlockNumber) = (Perquintill::from_percent(25), 5);
+	pub storage NisTarget: Perquintill = Perquintill::zero();
+	pub const NisPalletId: PalletId = PalletId(*b"py/nis  ");
 }
 
-impl pallet_gilt::Config for Runtime {
+impl pallet_nis::Config for Runtime {
+	type WeightInfo = weights::pallet_nis::WeightInfo<Runtime>;
 	type RuntimeEvent = RuntimeEvent;
 	type Currency = Balances;
 	type CurrencyBalance = Balance;
-	type AdminOrigin = EnsureRoot<AccountId>;
+	type FundOrigin = frame_system::EnsureSigned<AccountId>;
+	type Counterpart = NisCounterpartBalances;
+	type CounterpartAmount = WithMaximumOf<ConstU128<21_000_000_000_000_000_000u128>>;
 	type Deficit = (); // Mint
-	type Surplus = (); // Burn
 	type IgnoredIssuance = IgnoredIssuance;
-	type QueueCount = QueueCount;
-	type MaxQueueLen = MaxQueueLen;
-	type FifoQueueLen = FifoQueueLen;
-	type Period = GiltPeriod;
-	type MinFreeze = MinFreeze;
+	type Target = NisTarget;
+	type PalletId = NisPalletId;
+	type QueueCount = ConstU32<300>;
+	type MaxQueueLen = ConstU32<1000>;
+	type FifoQueueLen = ConstU32<250>;
+	type BasePeriod = NisBasePeriod;
+	type MinBid = MinBid;
+	type MinReceipt = MinReceipt;
 	type IntakePeriod = IntakePeriod;
-	type MaxIntakeBids = MaxIntakeBids;
-	type WeightInfo = weights::pallet_gilt::WeightInfo<Runtime>;
+	type MaxIntakeWeight = MaxIntakeWeight;
+	type ThawThrottle = ThawThrottle;
 }
 
 parameter_types! {
@@ -1386,8 +1411,10 @@ construct_runtime! {
 		// Election pallet. Only works with staking, but placed here to maintain indices.
 		ElectionProviderMultiPhase: pallet_election_provider_multi_phase::{Pallet, Call, Storage, Event<T>, ValidateUnsigned} = 37,
 
-		// Gilts pallet.
-		Gilt: pallet_gilt::{Pallet, Call, Storage, Event<T>, Config} = 38,
+		// NIS pallet.
+		Nis: pallet_nis::{Pallet, Call, Storage, Event<T>} = 38,
+//		pub type NisCounterpartInstance = pallet_balances::Instance2;
+		NisCounterpartBalances: pallet_balances::<Instance2> = 45,
 
 		// Provides a semi-sorted list of nominators for staking.
 		VoterList: pallet_bags_list::<Instance1>::{Pallet, Call, Storage, Event<T>} = 39,
@@ -1477,7 +1504,7 @@ mod benches {
 	define_benchmarks!(
 		// Polkadot
 		// NOTE: Make sure to prefix these with `runtime_common::` so
-		// the that path resolves correctly in the generated file.
+		// that the path resolves correctly in the generated file.
 		[runtime_common::auctions, Auctions]
 		[runtime_common::crowdloan, Crowdloan]
 		[runtime_common::claims, Claims]
@@ -1492,6 +1519,7 @@ mod benches {
 		[runtime_parachains::ump, Ump]
 		// Substrate
 		[pallet_balances, Balances]
+		[pallet_balances, NisCounterpartBalances]
 		[pallet_bags_list, VoterList]
 		[frame_benchmarking::baseline, Baseline::<Runtime>]
 		[pallet_bounties, Bounties]
@@ -1504,7 +1532,7 @@ mod benches {
 		[pallet_election_provider_multi_phase, ElectionProviderMultiPhase]
 		[frame_election_provider_support, ElectionProviderBench::<Runtime>]
 		[pallet_fast_unstake, FastUnstake]
-		[pallet_gilt, Gilt]
+		[pallet_nis, Nis]
 		[pallet_identity, Identity]
 		[pallet_im_online, ImOnline]
 		[pallet_indices, Indices]

runtime/kusama/src/weights/mod.rs

@@ -19,6 +19,7 @@ pub mod frame_election_provider_support;
 pub mod frame_system;
 pub mod pallet_bags_list;
 pub mod pallet_balances;
+pub mod pallet_balances_nis_counterpart_balances;
 pub mod pallet_bounties;
 pub mod pallet_child_bounties;
 pub mod pallet_collective_council;
@@ -28,12 +29,12 @@ pub mod pallet_democracy;
 pub mod pallet_election_provider_multi_phase;
 pub mod pallet_elections_phragmen;
 pub mod pallet_fast_unstake;
-pub mod pallet_gilt;
 pub mod pallet_identity;
 pub mod pallet_im_online;
 pub mod pallet_indices;
 pub mod pallet_membership;
 pub mod pallet_multisig;
+pub mod pallet_nis;
 pub mod pallet_nomination_pools;
 pub mod pallet_preimage;
 pub mod pallet_proxy;