✨ Add Fungibles Runtime API - PLMC-606

Cargo.toml

@@ -151,6 +151,7 @@ pallet-message-queue = { version = "38.0.0", default-features = false }
 sp-weights = { version = "31.0.0", default-features = false }
 
 # FRAME
+assets-common = { version = "0.14.0", default-features = false }
 pallet-aura = { version = "34.0.0", default-features = false }
 pallet-balances = { version = "36.0.0", default-features = false }
 pallet-assets = { version = "36.0.0", default-features = false }

runtimes/polimec/Cargo.toml

@@ -41,6 +41,7 @@ on-slash-vesting.workspace = true
 pallet-proxy-bonding.workspace = true
 
 # Substrate
+assets-common.workspace = true
 frame-benchmarking = { workspace = true, optional = true }
 frame-executive.workspace = true
 frame-support.workspace = true
@@ -117,6 +118,7 @@ default = [ "std" ]
 fast-mode = [ "shared-configuration/fast-mode" ]
 instant-mode = [ "shared-configuration/instant-mode" ]
 std = [
+	"assets-common/std",
 	"cumulus-pallet-aura-ext/std",
 	"cumulus-pallet-parachain-system/std",
 	"cumulus-pallet-session-benchmarking/std",
@@ -194,6 +196,7 @@ std = [
 ]
 
 runtime-benchmarks = [
+	"assets-common/runtime-benchmarks",
 	"cumulus-pallet-parachain-system/runtime-benchmarks",
 	"cumulus-pallet-session-benchmarking/runtime-benchmarks",
 	"cumulus-pallet-xcmp-queue/runtime-benchmarks",

runtimes/polimec/src/custom_migrations/mod.rs

@@ -14,7 +14,5 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-// the generated files do not pass clippy
+// The generated files do not pass clippy.
 #![allow(clippy::all)]
-
-pub mod funding_holds;

runtimes/polimec/src/lib.rs

@@ -21,6 +21,7 @@
 #[cfg(feature = "std")]
 include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
 
+use assets_common::fungible_conversion::{convert, convert_balance};
 use core::ops::RangeInclusive;
 use cumulus_pallet_parachain_system::RelayNumberMonotonicallyIncreases;
 use cumulus_primitives_core::{AggregateMessageOrigin, ParaId};
@@ -1131,14 +1132,6 @@ ord_parameter_types! {
 	pub const DispenserAdminAccount: AccountId = AccountId::from(hex_literal::hex!("d85a4f58eb7dba17bc436b16f394b242271237021f7880e1ccaf36cd9a616c99"));
 }
 
-// #[test]
-// fn ensure_admin_account_is_correct() {
-// 	use frame_support::traits::SortedMembers;
-// 	use sp_core::crypto::Ss58Codec;
-// 	let acc = AccountId::from_ss58check("5BAimacvMnhBEoc2g7PaiuEhJwmMZejq6j1ZMCpDZMHGAogz").unwrap();
-// 	assert_eq!(acc, DispenserAdminAccount::sorted_members()[0]);
-// }
-
 impl pallet_dispenser::Config for Runtime {
 	type AdminOrigin = EnsureSignedBy<DispenserAdminAccount, AccountId>;
 	type BlockNumberToBalance = ConvertInto;
@@ -1308,6 +1301,34 @@ mod benches {
 }
 
 impl_runtime_apis! {
+	impl assets_common::runtime_api::FungiblesApi<Block,AccountId,> for Runtime{
+		fn query_account_balances(account: AccountId) -> Result<xcm::VersionedAssets, assets_common::runtime_api::FungiblesAccessError> {
+			Ok([
+				// collect pallet_balance
+				{
+					let balance = Balances::balance(&account);
+					if balance > 0 {
+						vec![convert_balance::<xcm_config::HereLocation, Balance>(balance)?]
+					} else {
+						vec![]
+					}
+				},
+				// collect pallet_assets (ContributionTokens)
+				convert::<_, _, _, _, xcm_config::ContributionTokensConvertedConcreteId>(
+					ContributionTokens::account_balances(account.clone())
+						.iter()
+						.filter(|(_, balance)| balance > &0)
+				)?,
+				// collect pallet_assets (ForeignAssets)
+				convert::<_, _, _, _, xcm_config::ForeignAssetsConvertedConcreteId>(
+					ForeignAssets::account_balances(account)
+						.iter()
+						.filter(|(_, balance)| balance > &0)
+				)?,
+			].concat().into())
+		}
+	}
+
 	impl sp_consensus_aura::AuraApi<Block, AuraId> for Runtime {
 		fn slot_duration() -> sp_consensus_aura::SlotDuration {
 			sp_consensus_aura::SlotDuration::from_millis(parachains_common::SLOT_DURATION)

runtimes/polimec/src/xcm_config.rs

@@ -15,14 +15,16 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 use super::{
-	AccountId, AllPalletsWithSystem, AssetId as AssetIdPalletAssets, Balance, Balances, EnsureRoot, ForeignAssets,
-	Funding, ParachainInfo, ParachainSystem, PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin,
-	ToTreasury, TreasuryAccount, Vec, WeightToFee,
+	AccountId, AllPalletsWithSystem, AssetId as AssetIdPalletAssets, Balance, Balances, ContributionTokens, EnsureRoot,
+	ForeignAssets, Funding, ParachainInfo, ParachainSystem, PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent,
+	RuntimeOrigin, ToTreasury, TreasuryAccount, Vec, WeightToFee,
 };
 use core::marker::PhantomData;
 use cumulus_primitives_core::ParaId;
 use frame_support::{
-	ensure, parameter_types,
+	ensure,
+	pallet_prelude::*,
+	parameter_types,
 	traits::{ConstU32, Contains, ContainsPair, Everything, Nothing, ProcessMessageError},
 	weights::Weight,
 };
@@ -74,6 +76,11 @@ parameter_types! {
 	/// The check account that is allowed to mint assets locally. Used for PLMC teleport
 	/// checking once enabled.
 	pub LocalCheckAccount: (AccountId, MintLocation) = (CheckAccount::get(), MintLocation::Local);
+	pub ForeignAssetsPalletIndex: u8 = <ForeignAssets as PalletInfoAccess>::index() as u8;
+	pub ForeignAssetsPalletLocation: Location = PalletInstance(ForeignAssetsPalletIndex::get()).into();
+
+	pub ContributionTokensPalletIndex: u8 = <ContributionTokens as PalletInfoAccess>::index() as u8;
+	pub ContributionTokensPalletLocation: Location = PalletInstance(ContributionTokensPalletIndex::get()).into();
 
 	pub DotLocation: Location = RelayLocation::get();
 	pub UsdtLocation: Location = Location::new(1, [Parachain(1000), PalletInstance(50), GeneralIndex(1984)]);
@@ -109,6 +116,14 @@ pub type FungibleTransactor = FungibleAdapter<
 	LocalCheckAccount,
 >;
 
+/// `AssetId`/`Balance` converter for `ForeignAssets`.
+pub type ForeignAssetsConvertedConcreteId =
+	assets_common::TrustBackedAssetsConvertedConcreteId<ForeignAssetsPalletLocation, Balance>;
+
+/// `AssetId`/`Balance` converter for `ContributionTokens`.
+pub type ContributionTokensConvertedConcreteId =
+	assets_common::TrustBackedAssetsConvertedConcreteId<ContributionTokensPalletLocation, Balance>;
+
 // The `AssetIdPalletAssets` ids that are supported by this chain.
 // Currently, we only support DOT (10), USDT (1984) and USDC (1337).
 pub struct SupportedAssets;