Add pallet-assets (#73)

* Add pallet-assets

* fix

Cargo.toml

@@ -39,6 +39,7 @@ frame-system-rpc-runtime-api = { version = "26.0.0", default-features = false }
 frame-try-runtime = { version = "0.34.0", default-features = false }
 pallet-aura = { version = "27.0.0", default-features = false }
 pallet-authorship = { version = "28.0.0", default-features = false }
+pallet-assets = { version = "29.0.0", default-features = false }
 pallet-balances = { version = "28.0.0", default-features = false }
 pallet-session = { version = "28.0.0", default-features = false }
 pallet-sudo = { version = "28.0.0", default-features = false }

runtime/regionx/Cargo.toml

@@ -37,6 +37,7 @@ frame-system = { workspace = true }
 frame-system-benchmarking = { workspace = true, optional = true }
 frame-system-rpc-runtime-api = { workspace = true }
 frame-try-runtime = { workspace = true, optional = true }
+pallet-assets = { workspace = true }
 pallet-aura = { workspace = true }
 pallet-authorship = { workspace = true }
 pallet-balances = { workspace = true }
@@ -106,6 +107,7 @@ std = [
 	"frame-system/std",
 	"frame-try-runtime?/std",
 	"log/std",
+	"pallet-assets/std",
 	"pallet-aura/std",
 	"pallet-authorship/std",
 	"pallet-balances/std",
@@ -152,6 +154,7 @@ runtime-benchmarks = [
 	"frame-system-benchmarking/runtime-benchmarks",
 	"frame-system/runtime-benchmarks",
 	"hex-literal",
+	"pallet-assets/runtime-benchmarks",
 	"pallet-balances/runtime-benchmarks",
 	"pallet-collator-selection/runtime-benchmarks",
 	"pallet-message-queue/runtime-benchmarks",
@@ -178,6 +181,7 @@ try-runtime = [
 	"frame-try-runtime/try-runtime",
 	"pallet-ismp/try-runtime",
 	"ismp-parachain/try-runtime",
+	"pallet-assets/try-runtime",
 	"pallet-aura/try-runtime",
 	"pallet-authorship/try-runtime",
 	"pallet-balances/try-runtime",
@@ -193,4 +197,4 @@ try-runtime = [
 	"sp-runtime/try-runtime",
 ]
 
-experimental = ["pallet-aura/experimental"]
+experimental = ["pallet-aura/experimental"]

runtime/regionx/src/lib.rs

@@ -57,7 +57,9 @@ use frame_support::{
 	dispatch::DispatchClass,
 	genesis_builder_helper::{build_config, create_default_config},
 	parameter_types,
-	traits::{ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Everything},
+	traits::{
+		AsEnsureOriginWithArg, ConstBool, ConstU32, ConstU64, ConstU8, EitherOfDiverse, Everything,
+	},
 	weights::{
 		constants::WEIGHT_REF_TIME_PER_SECOND, ConstantMultiplier, Weight, WeightToFeeCoefficient,
 		WeightToFeeCoefficients, WeightToFeePolynomial,
@@ -66,7 +68,7 @@ use frame_support::{
 };
 use frame_system::{
 	limits::{BlockLength, BlockWeights},
-	EnsureRoot, Phase,
+	EnsureRoot, EnsureSigned, Phase,
 };
 use pallet_ismp::{
 	mmr_primitives::{Leaf, LeafIndex},
@@ -195,6 +197,11 @@ pub const M4X: Balance = 1_000_000_000_000;
 pub const MILLIM4X: Balance = 1_000_000_000;
 pub const MICROM4X: Balance = 1_000_000;
 
+pub const fn deposit(items: u32, bytes: u32) -> Balance {
+	// TODO: ensure this is a sensible value.
+	items as Balance * M4X + (bytes as Balance) * MILLIM4X
+}
+
 /// Maximum number of blocks simultaneously accepted by the Runtime, not yet included
 /// into the relay chain.
 const UNINCLUDED_SEGMENT_CAPACITY: u32 = 1;
@@ -346,6 +353,42 @@ impl pallet_balances::Config for Runtime {
 	type MaxFreezes = ConstU32<0>;
 }
 
+parameter_types! {
+	pub const AssetDeposit: Balance = deposit(1, 190);
+	pub const AssetAccountDeposit: Balance = deposit(1, 16);
+	pub const AssetsStringLimit: u32 = 50;
+	/// Key = 32 bytes, Value = 36 bytes (32+1+1+1+1)
+	// https://github.com/paritytech/substrate/blob/069917b/frame/assets/src/lib.rs#L257L271
+	pub const MetadataDepositBase: Balance = deposit(1, 68);
+	pub const MetadataDepositPerByte: Balance = deposit(0, 1);
+}
+
+impl pallet_assets::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type Balance = Balance;
+	type AssetId = u32;
+	type AssetIdParameter = parity_scale_codec::Compact<u32>;
+	type Currency = Balances;
+	// TODO after https://github.com/RegionX-Labs/RegionX-Node/issues/72:
+	// Allow only TC to create an asset as well.
+	type CreateOrigin = AsEnsureOriginWithArg<EnsureSigned<AccountId>>;
+	type ForceOrigin = EnsureRoot<AccountId>;
+	type AssetDeposit = AssetDeposit;
+	type MetadataDepositBase = MetadataDepositBase;
+	type MetadataDepositPerByte = MetadataDepositPerByte;
+	type ApprovalDeposit = ExistentialDeposit;
+	type StringLimit = AssetsStringLimit;
+	type Freezer = ();
+	type Extra = ();
+	// TODO: accurate weight.
+	type WeightInfo = ();
+	type CallbackHandle = ();
+	type AssetAccountDeposit = AssetAccountDeposit;
+	type RemoveItemsLimit = sp_core::ConstU32<1000>;
+	#[cfg(feature = "runtime-benchmarks")]
+	type BenchmarkHelper = ();
+}
+
 parameter_types! {
 	/// Relay Chain `TransactionByteFee` / 10
 	pub const TransactionByteFee: Balance = 10 * MICROM4X;
@@ -504,6 +547,7 @@ construct_runtime!(
 		// Monetary stuff.
 		Balances: pallet_balances = 10,
 		TransactionPayment: pallet_transaction_payment = 11,
+		Assets: pallet_assets = 12,
 
 		// Governance
 		Sudo: pallet_sudo = 15,
@@ -531,6 +575,7 @@ construct_runtime!(
 mod benches {
 	frame_benchmarking::define_benchmarks!(
 		[frame_system, SystemBench::<Runtime>]
+		[pallet_assets, Assets]
 		[pallet_balances, Balances]
 		[pallet_session, SessionBench::<Runtime>]
 		[pallet_timestamp, Timestamp]