Add Vesting to Asset Hubs (polkadot-fellows#269)

Adds the Vesting pallet to the Asset Hub runtimes, as a few people have
requested this feature, and in general the Asset Hubs should provide
more balances/asset-related features than the Relay Chain.

CHANGELOG.md

@@ -4,6 +4,10 @@ Changelog for the runtimes governed by the Polkadot Fellowship.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## Unreleased
+
+- Add `pallet-vesting` to Asset Hubs ([polkadot-fellows/runtimes#269](https://github.com/polkadot-fellows/runtimes/pull/269))
+
 ## [1.2.1] 09.04.2024
 
 ### Changed

system-parachains/asset-hubs/asset-hub-kusama/Cargo.toml

@@ -49,6 +49,7 @@ pallet-transaction-payment = { workspace = true }
 pallet-transaction-payment-rpc-runtime-api = { workspace = true }
 pallet-uniques = { workspace = true }
 pallet-utility = { workspace = true }
+pallet-vesting = { workspace = true }
 sp-api = { workspace = true }
 sp-block-builder = { workspace = true }
 sp-consensus-aura = { workspace = true }
@@ -138,6 +139,7 @@ runtime-benchmarks = [
 	"pallet-timestamp/runtime-benchmarks",
 	"pallet-uniques/runtime-benchmarks",
 	"pallet-utility/runtime-benchmarks",
+	"pallet-vesting/runtime-benchmarks",
 	"pallet-xcm-benchmarks/runtime-benchmarks",
 	"pallet-xcm-bridge-hub-router/runtime-benchmarks",
 	"pallet-xcm/runtime-benchmarks",
@@ -178,6 +180,7 @@ try-runtime = [
 	"pallet-transaction-payment/try-runtime",
 	"pallet-uniques/try-runtime",
 	"pallet-utility/try-runtime",
+	"pallet-vesting/try-runtime",
 	"pallet-xcm-bridge-hub-router/try-runtime",
 	"pallet-xcm/try-runtime",
 	"parachain-info/try-runtime",
@@ -229,6 +232,7 @@ std = [
 	"pallet-transaction-payment/std",
 	"pallet-uniques/std",
 	"pallet-utility/std",
+	"pallet-vesting/std",
 	"pallet-xcm-benchmarks?/std",
 	"pallet-xcm-bridge-hub-router/std",
 	"pallet-xcm/std",

system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs

@@ -39,7 +39,9 @@ use sp_api::impl_runtime_apis;
 use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
 use sp_runtime::{
 	create_runtime_str, generic, impl_opaque_keys,
-	traits::{AccountIdConversion, AccountIdLookup, BlakeTwo256, Block as BlockT, Verify},
+	traits::{
+		AccountIdConversion, AccountIdLookup, BlakeTwo256, Block as BlockT, ConvertInto, Verify,
+	},
 	transaction_validity::{TransactionSource, TransactionValidity},
 	ApplyExtrinsicResult, Perbill, Permill,
 };
@@ -58,7 +60,7 @@ use frame_support::{
 	traits::{
 		fungible, fungibles, tokens::imbalance::ResolveAssetTo, AsEnsureOriginWithArg, ConstBool,
 		ConstU128, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Equals, InstanceFilter,
-		TransformOrigin,
+		TransformOrigin, WithdrawReasons,
 	},
 	weights::{ConstantMultiplier, Weight},
 	BoundedVec, PalletId,
@@ -229,6 +231,26 @@ impl pallet_balances::Config for Runtime {
 	type MaxFreezes = ConstU32<0>;
 }
 
+parameter_types! {
+	pub UnvestedFundsAllowedWithdrawReasons: WithdrawReasons =
+		WithdrawReasons::except(WithdrawReasons::TRANSFER | WithdrawReasons::RESERVE);
+}
+
+impl pallet_vesting::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type Currency = Balances;
+	type BlockNumberToBalance = ConvertInto;
+	type MinVestedTransfer = ExistentialDeposit;
+	type WeightInfo = weights::pallet_vesting::WeightInfo<Runtime>;
+	type UnvestedFundsAllowedWithdrawReasons = UnvestedFundsAllowedWithdrawReasons;
+	/// Note for wallets and implementers: This means that vesting schedules are evaluated with the
+	/// block number of the Relay Chain, not the parachain. This is because with Coretime and Async
+	/// Backing, parachain block numbers may not be a good proxy for time. Vesting schedules should
+	/// be set accordingly.
+	type BlockNumberProvider = cumulus_pallet_parachain_system::RelaychainDataProvider<Runtime>;
+	const MAX_VESTING_SCHEDULES: u32 = 28;
+}
+
 parameter_types! {
 	/// Relay Chain `TransactionByteFee` / 10
 	pub const TransactionByteFee: Balance = system_parachains_constants::kusama::fee::TRANSACTION_BYTE_FEE;
@@ -507,7 +529,10 @@ impl InstanceFilter<RuntimeCall> for ProxyType {
 					RuntimeCall::Assets { .. } |
 					RuntimeCall::NftFractionalization { .. } |
 					RuntimeCall::Nfts { .. } |
-					RuntimeCall::Uniques { .. }
+					RuntimeCall::Uniques { .. } |
+					// We allow calling `vest` and merging vesting schedules, but obviously not
+					// vested transfers.
+					RuntimeCall::Vesting(pallet_vesting::Call::vested_transfer { .. })
 			),
 			ProxyType::CancelProxy => matches!(
 				c,
@@ -934,6 +959,7 @@ construct_runtime!(
 		Balances: pallet_balances = 10,
 		TransactionPayment: pallet_transaction_payment = 11,
 		AssetTxPayment: pallet_asset_conversion_tx_payment = 13,
+		Vesting: pallet_vesting = 14,
 
 		// Collator support. the order of these 5 are important and shall not change.
 		Authorship: pallet_authorship = 20,
@@ -1029,6 +1055,7 @@ mod benches {
 		[pallet_session, SessionBench::<Runtime>]
 		[pallet_uniques, Uniques]
 		[pallet_utility, Utility]
+		[pallet_vesting, Vesting]
 		[pallet_timestamp, Timestamp]
 		[pallet_collator_selection, CollatorSelection]
 		[cumulus_pallet_parachain_system, ParachainSystem]