difftreelog
Add foreign assets pallet
in: master
5 files changed
pallets/foreing-assets/Cargo.tomldiffbeforeafterboth--- /dev/null
+++ b/pallets/foreing-assets/Cargo.toml
@@ -0,0 +1,50 @@
+[package]
+name = "pallet-foreing-assets"
+version = "0.1.0"
+license = "GPLv3"
+edition = "2021"
+
+[dependencies]
+log = { version = "0.4.14", default-features = false }
+serde = { version = "1.0.136", optional = true }
+scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24", default-features = false }
+sp-std = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24", default-features = false }
+frame-support = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24", default-features = false }
+frame-system = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24", default-features = false }
+up-data-structs = { default-features = false, path = '../../primitives/data-structs' }
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24", default-features = false }
+pallet-common = { default-features = false, path = '../common' }
+pallet-fungible = { default-features = false, path = '../fungible' }
+xcm = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.24", default-features = false }
+xcm-builder = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.24", default-features = false }
+xcm-executor = { git = "https://github.com/paritytech/polkadot", branch = "release-v0.9.24", default-features = false }
+orml-tokens = { git = 'https://github.com/UniqueNetwork/open-runtime-module-library', branch = 'unique-polkadot-v0.9.24', version = "0.4.1-dev", default-features = false }
+
+[dev-dependencies]
+serde_json = "1.0.68"
+hex = { version = "0.4" }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24" }
+sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24" }
+pallet-timestamp = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24" }
+pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24" }
+
+[features]
+default = ["std"]
+std = [
+ "serde",
+ "log/std",
+ "codec/std",
+ "scale-info/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "frame-support/std",
+ "frame-system/std",
+ "up-data-structs/std",
+ "pallet-common/std",
+ "pallet-balances/std",
+ "pallet-fungible/std",
+ "orml-tokens/std"
+]
+try-runtime = ["frame-support/try-runtime"]
pallets/foreing-assets/src/impl_fungibles.rsdiffbeforeafterboth--- /dev/null
+++ b/pallets/foreing-assets/src/impl_fungibles.rs
@@ -0,0 +1,621 @@
+// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.
+// This file is part of Unique Network.
+
+// Unique Network is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Unique Network is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
+
+//! Implementations for fungibles trait.
+
+use super::*;
+use frame_system::Config as SystemConfig;
+
+use frame_support::traits::tokens::{DepositConsequence, WithdrawConsequence};
+use pallet_common::CollectionHandle;
+use pallet_fungible::FungibleHandle;
+use pallet_common::CommonCollectionOperations;
+use up_data_structs::budget::Unlimited;
+use sp_runtime::traits::{CheckedAdd, CheckedSub};
+
+impl<T: Config> fungibles::Inspect<<T as SystemConfig>::AccountId> for Pallet<T>
+where
+ T: orml_tokens::Config<CurrencyId = AssetIds>,
+{
+ type AssetId = AssetIds;
+ type Balance = BalanceOf<T>;
+
+ fn total_issuance(asset: Self::AssetId) -> Self::Balance {
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible total_issuance");
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let parent_amount = <pallet_balances::Pallet<T> as fungible::Inspect<
+ T::AccountId,
+ >>::total_issuance();
+
+ let value: u128 = match parent_amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let amount =
+ <orml_tokens::Pallet<T> as fungibles::Inspect<T::AccountId>>::total_issuance(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ );
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::ForeignAssetId(fid) => {
+ let target_collection_id = match <AssetBinding<T>>::get(fid) {
+ Some(v) => v,
+ None => return Zero::zero(),
+ };
+ let collection_handle = match <CollectionHandle<T>>::try_get(target_collection_id) {
+ Ok(v) => v,
+ Err(_) => return Zero::zero(),
+ };
+ let collection = FungibleHandle::cast(collection_handle);
+ Self::Balance::try_from(collection.total_supply()).unwrap_or(Zero::zero())
+ }
+ }
+ }
+
+ fn minimum_balance(asset: Self::AssetId) -> Self::Balance {
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible minimum_balance");
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let parent_amount = <pallet_balances::Pallet<T> as fungible::Inspect<
+ T::AccountId,
+ >>::minimum_balance();
+
+ let value: u128 = match parent_amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let amount =
+ <orml_tokens::Pallet<T> as fungibles::Inspect<T::AccountId>>::minimum_balance(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ );
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::ForeignAssetId(fid) => {
+ AssetMetadatas::<T>::get(AssetIds::ForeignAssetId(fid))
+ .map(|x| x.minimal_balance)
+ .unwrap_or_else(Zero::zero)
+ }
+ }
+ }
+
+ fn balance(asset: Self::AssetId, who: &<T as SystemConfig>::AccountId) -> Self::Balance {
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible balance");
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let parent_amount =
+ <pallet_balances::Pallet<T> as fungible::Inspect<T::AccountId>>::balance(who);
+
+ let value: u128 = match parent_amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let amount = <orml_tokens::Pallet<T> as fungibles::Inspect<T::AccountId>>::balance(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ who,
+ );
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::ForeignAssetId(fid) => {
+ let target_collection_id = match <AssetBinding<T>>::get(fid) {
+ Some(v) => v,
+ None => return Zero::zero(),
+ };
+ let collection_handle = match <CollectionHandle<T>>::try_get(target_collection_id) {
+ Ok(v) => v,
+ Err(_) => return Zero::zero(),
+ };
+ let collection = FungibleHandle::cast(collection_handle);
+ Self::Balance::try_from(
+ collection.balance(T::CrossAccountId::from_sub(who.clone()), TokenId(0)),
+ )
+ .unwrap_or(Zero::zero())
+ }
+ }
+ }
+
+ fn reducible_balance(
+ asset: Self::AssetId,
+ who: &<T as SystemConfig>::AccountId,
+ keep_alive: bool,
+ ) -> Self::Balance {
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible reducible_balance");
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let parent_amount = <pallet_balances::Pallet<T> as fungible::Inspect<
+ T::AccountId,
+ >>::reducible_balance(who, keep_alive);
+
+ let value: u128 = match parent_amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let amount =
+ <orml_tokens::Pallet<T> as fungibles::Inspect<T::AccountId>>::reducible_balance(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ who,
+ keep_alive,
+ );
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ let ti: Self::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => return Zero::zero(),
+ };
+
+ ti
+ }
+ _ => Self::balance(asset, who),
+ }
+ }
+
+ fn can_deposit(
+ asset: Self::AssetId,
+ who: &<T as SystemConfig>::AccountId,
+ amount: Self::Balance,
+ mint: bool,
+ ) -> DepositConsequence {
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible can_deposit");
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return DepositConsequence::CannotCreate,
+ };
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let this_amount: <T as pallet_balances::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return DepositConsequence::CannotCreate;
+ }
+ };
+ <pallet_balances::Pallet<T> as fungible::Inspect<T::AccountId>>::can_deposit(
+ who,
+ this_amount,
+ mint,
+ )
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let parent_amount: <T as orml_tokens::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return DepositConsequence::CannotCreate;
+ }
+ };
+ <orml_tokens::Pallet<T> as fungibles::Inspect<T::AccountId>>::can_deposit(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ who,
+ parent_amount,
+ mint,
+ )
+ }
+ _ => {
+ if amount.is_zero() {
+ return DepositConsequence::Success;
+ }
+
+ let extential_deposit_value = T::ExistentialDeposit::get();
+ let ed_value: u128 = match extential_deposit_value.try_into() {
+ Ok(val) => val,
+ Err(_) => return DepositConsequence::CannotCreate,
+ };
+ let extential_deposit: Self::Balance = match ed_value.try_into() {
+ Ok(val) => val,
+ Err(_) => return DepositConsequence::CannotCreate,
+ };
+
+ let new_total_balance = match Self::balance(asset, who).checked_add(&amount) {
+ Some(x) => x,
+ None => return DepositConsequence::Overflow,
+ };
+
+ if new_total_balance < extential_deposit {
+ return DepositConsequence::BelowMinimum;
+ }
+
+ DepositConsequence::Success
+ }
+ }
+ }
+
+ fn can_withdraw(
+ asset: Self::AssetId,
+ who: &<T as SystemConfig>::AccountId,
+ amount: Self::Balance,
+ ) -> WithdrawConsequence<Self::Balance> {
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible can_withdraw");
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return WithdrawConsequence::UnknownAsset,
+ };
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let this_amount: <T as pallet_balances::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return WithdrawConsequence::UnknownAsset;
+ }
+ };
+ match <pallet_balances::Pallet<T> as fungible::Inspect<T::AccountId>>::can_withdraw(
+ who,
+ this_amount,
+ ) {
+ WithdrawConsequence::NoFunds => WithdrawConsequence::NoFunds,
+ WithdrawConsequence::WouldDie => WithdrawConsequence::WouldDie,
+ WithdrawConsequence::UnknownAsset => WithdrawConsequence::UnknownAsset,
+ WithdrawConsequence::Underflow => WithdrawConsequence::Underflow,
+ WithdrawConsequence::Overflow => WithdrawConsequence::Overflow,
+ WithdrawConsequence::Frozen => WithdrawConsequence::Frozen,
+ WithdrawConsequence::Success => WithdrawConsequence::Success,
+ _ => WithdrawConsequence::NoFunds,
+ }
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let parent_amount: <T as orml_tokens::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return WithdrawConsequence::UnknownAsset;
+ }
+ };
+ match <orml_tokens::Pallet<T> as fungibles::Inspect<T::AccountId>>::can_withdraw(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ who,
+ parent_amount,
+ ) {
+ WithdrawConsequence::NoFunds => WithdrawConsequence::NoFunds,
+ WithdrawConsequence::WouldDie => WithdrawConsequence::WouldDie,
+ WithdrawConsequence::UnknownAsset => WithdrawConsequence::UnknownAsset,
+ WithdrawConsequence::Underflow => WithdrawConsequence::Underflow,
+ WithdrawConsequence::Overflow => WithdrawConsequence::Overflow,
+ WithdrawConsequence::Frozen => WithdrawConsequence::Frozen,
+ WithdrawConsequence::Success => WithdrawConsequence::Success,
+ _ => WithdrawConsequence::NoFunds,
+ }
+ }
+ _ => match Self::balance(asset, who).checked_sub(&amount) {
+ Some(_) => WithdrawConsequence::Success,
+ None => WithdrawConsequence::NoFunds,
+ },
+ }
+ }
+}
+
+impl<T: Config> fungibles::Mutate<<T as SystemConfig>::AccountId> for Pallet<T>
+where
+ T: orml_tokens::Config<CurrencyId = AssetIds>,
+{
+ fn mint_into(
+ asset: Self::AssetId,
+ who: &<T as SystemConfig>::AccountId,
+ amount: Self::Balance,
+ ) -> DispatchResult {
+ //Self::do_mint(asset, who, amount, None)
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible mint_into {:?}", asset);
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Err(DispatchError::Other("Bad amount to value conversion")),
+ };
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let this_amount: <T as pallet_balances::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return Err(DispatchError::Other(
+ "Bad amount to this parachain value conversion",
+ ))
+ }
+ };
+
+ <pallet_balances::Pallet<T> as fungible::Mutate<T::AccountId>>::mint_into(
+ who,
+ this_amount,
+ )
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let parent_amount: <T as orml_tokens::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return Err(DispatchError::Other(
+ "Bad amount to relay chain value conversion",
+ ))
+ }
+ };
+
+ <orml_tokens::Pallet<T> as fungibles::Mutate<T::AccountId>>::mint_into(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ who,
+ parent_amount,
+ )
+ }
+ AssetIds::ForeignAssetId(fid) => {
+ let target_collection_id = match <AssetBinding<T>>::get(fid) {
+ Some(v) => v,
+ None => {
+ return Err(DispatchError::Other(
+ "Associated collection not found for asset",
+ ))
+ }
+ };
+ let collection =
+ FungibleHandle::cast(<CollectionHandle<T>>::try_get(target_collection_id)?);
+ let account = T::CrossAccountId::from_sub(who.clone());
+
+ let amount_data: pallet_fungible::CreateItemData<T> = (account.clone(), value);
+
+ pallet_fungible::Pallet::<T>::create_item_foreign(
+ &collection,
+ &account,
+ amount_data,
+ &Unlimited,
+ )?;
+
+ Ok(())
+ }
+ }
+ }
+
+ fn burn_from(
+ asset: Self::AssetId,
+ who: &<T as SystemConfig>::AccountId,
+ amount: Self::Balance,
+ ) -> Result<Self::Balance, DispatchError> {
+ // let f = DebitFlags { keep_alive: false, best_effort: false };
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible burn_from");
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Err(DispatchError::Other("Bad amount to value conversion")),
+ };
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let this_amount: <T as pallet_balances::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return Err(DispatchError::Other(
+ "Bad amount to this parachain value conversion",
+ ))
+ }
+ };
+
+ match <pallet_balances::Pallet<T> as fungible::Mutate<T::AccountId>>::burn_from(
+ who,
+ this_amount,
+ ) {
+ Ok(_) => Ok(amount),
+ Err(e) => Err(e),
+ }
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let parent_amount: <T as orml_tokens::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return Err(DispatchError::Other(
+ "Bad amount to relay chain value conversion",
+ ))
+ }
+ };
+
+ match <orml_tokens::Pallet<T> as fungibles::Mutate<T::AccountId>>::burn_from(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ who,
+ parent_amount,
+ ) {
+ Ok(_) => Ok(amount),
+ Err(e) => Err(e),
+ }
+ }
+ AssetIds::ForeignAssetId(fid) => {
+ let target_collection_id = match <AssetBinding<T>>::get(fid) {
+ Some(v) => v,
+ None => {
+ return Err(DispatchError::Other(
+ "Associated collection not found for asset",
+ ))
+ }
+ };
+ let collection =
+ FungibleHandle::cast(<CollectionHandle<T>>::try_get(target_collection_id)?);
+ pallet_fungible::Pallet::<T>::burn_foreign(
+ &collection,
+ &T::CrossAccountId::from_sub(who.clone()),
+ value,
+ )?;
+
+ Ok(amount)
+ }
+ }
+ }
+
+ fn slash(
+ asset: Self::AssetId,
+ who: &<T as SystemConfig>::AccountId,
+ amount: Self::Balance,
+ ) -> Result<Self::Balance, DispatchError> {
+ // let f = DebitFlags { keep_alive: false, best_effort: true };
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible slash");
+ Self::burn_from(asset, who, amount)?;
+ Ok(amount)
+ }
+}
+
+impl<T: Config> fungibles::Transfer<T::AccountId> for Pallet<T>
+where
+ T: orml_tokens::Config<CurrencyId = AssetIds>,
+{
+ fn transfer(
+ asset: Self::AssetId,
+ source: &<T as SystemConfig>::AccountId,
+ dest: &<T as SystemConfig>::AccountId,
+ amount: Self::Balance,
+ keep_alive: bool,
+ ) -> Result<Self::Balance, DispatchError> {
+ // let f = TransferFlags { keep_alive, best_effort: false, burn_dust: false };
+ log::trace!(target: "fassets::impl_foreing_assets", "impl_fungible transfer");
+
+ let value: u128 = match amount.try_into() {
+ Ok(val) => val,
+ Err(_) => return Err(DispatchError::Other("Bad amount to value conversion")),
+ };
+
+ match asset {
+ AssetIds::NativeAssetId(NativeCurrency::Here) => {
+ let this_amount: <T as pallet_balances::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return Err(DispatchError::Other(
+ "Bad amount to this parachain value conversion",
+ ))
+ }
+ };
+
+ match <pallet_balances::Pallet<T> as fungible::Transfer<T::AccountId>>::transfer(
+ source,
+ dest,
+ this_amount,
+ keep_alive,
+ ) {
+ Ok(_) => Ok(amount),
+ Err(_) => Err(DispatchError::Other(
+ "Bad amount to relay chain value conversion",
+ )),
+ }
+ }
+ AssetIds::NativeAssetId(NativeCurrency::Parent) => {
+ let parent_amount: <T as orml_tokens::Config>::Balance = match value.try_into() {
+ Ok(val) => val,
+ Err(_) => {
+ return Err(DispatchError::Other(
+ "Bad amount to relay chain value conversion",
+ ))
+ }
+ };
+
+ match <orml_tokens::Pallet<T> as fungibles::Transfer<T::AccountId>>::transfer(
+ AssetIds::NativeAssetId(NativeCurrency::Parent),
+ source,
+ dest,
+ parent_amount,
+ keep_alive,
+ ) {
+ Ok(_) => Ok(amount),
+ Err(e) => Err(e),
+ }
+ }
+ AssetIds::ForeignAssetId(fid) => {
+ let target_collection_id = match <AssetBinding<T>>::get(fid) {
+ Some(v) => v,
+ None => {
+ return Err(DispatchError::Other(
+ "Associated collection not found for asset",
+ ))
+ }
+ };
+ let collection =
+ FungibleHandle::cast(<CollectionHandle<T>>::try_get(target_collection_id)?);
+
+ pallet_fungible::Pallet::<T>::transfer(
+ &collection,
+ &T::CrossAccountId::from_sub(source.clone()),
+ &T::CrossAccountId::from_sub(dest.clone()),
+ value,
+ &Unlimited,
+ )?;
+
+ Ok(amount)
+ }
+ }
+ }
+}
pallets/foreing-assets/src/lib.rsdiffbeforeafterboth1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! # Foreing assets18//!19//! - [`Config`]20//! - [`Call`]21//! - [`Pallet`]22//!23//! ## Overview24//!25//! The foreing assests pallet provides functions for:26//!27//! - Local and foreign assets management. The foreign assets can be updated without runtime upgrade.28//! - Bounds between asset and target collection for cross chain transfer and inner transfers.29//!30//! ## Overview31//!32//! Under construction3334#![cfg_attr(not(feature = "std"), no_std)]35#![allow(clippy::unused_unit)]3637use frame_support::{38 dispatch::DispatchResult,39 ensure,40 pallet_prelude::*,41 traits::{fungible, fungibles, Currency, EnsureOrigin},42 transactional, RuntimeDebug,43};44use frame_system::pallet_prelude::*;45use up_data_structs::{CollectionMode};46use pallet_fungible::{Pallet as PalletFungible};47use scale_info::{TypeInfo};48use sp_runtime::{49 traits::{One, Zero},50 ArithmeticError,51};52use sp_std::{boxed::Box, vec::Vec};53use up_data_structs::{CollectionId, TokenId, CreateCollectionData};5455// NOTE:v1::MultiLocation is used in storages, we would need to do migration if upgrade the56// MultiLocation in the future.57use xcm::opaque::latest::{prelude::XcmError, MultiAsset};58use xcm::{v1::MultiLocation, VersionedMultiLocation};59use xcm_executor::{traits::WeightTrader, Assets};6061use pallet_common::erc::CrossAccountId;6263#[cfg(feature = "std")]64use serde::{Deserialize, Serialize};6566// TODO: Move to primitives67// Id of native currency.68// 0 - QTZ\UNQ69// 1 - KSM\DOT70#[derive(71 Clone,72 Copy,73 Eq,74 PartialEq,75 PartialOrd,76 Ord,77 MaxEncodedLen,78 RuntimeDebug,79 Encode,80 Decode,81 TypeInfo,82)]83#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]84pub enum NativeCurrency {85 Here = 0,86 Parent = 1,87}8889#[derive(90 Clone,91 Copy,92 Eq,93 PartialEq,94 PartialOrd,95 Ord,96 MaxEncodedLen,97 RuntimeDebug,98 Encode,99 Decode,100 TypeInfo,101)]102#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]103pub enum AssetIds {104 ForeignAssetId(ForeignAssetId),105 NativeAssetId(NativeCurrency),106}107108pub trait TryAsForeing<T, F> {109 fn try_as_foreing(asset: T) -> Option<F>;110}111112impl TryAsForeing<AssetIds, ForeignAssetId> for AssetIds {113 fn try_as_foreing(asset: AssetIds) -> Option<ForeignAssetId> {114 match asset {115 AssetIds::ForeignAssetId(id) => Some(id),116 _ => None,117 }118 }119}120121pub type ForeignAssetId = u32;122pub type CurrencyId = AssetIds;123124mod impl_fungibles;125mod weights;126127pub use module::*;128pub use weights::WeightInfo;129130/// Type alias for currency balance.131pub type BalanceOf<T> =132 <<T as Config>::Currency as Currency<<T as frame_system::Config>::AccountId>>::Balance;133134/// A mapping between ForeignAssetId and AssetMetadata.135pub trait AssetIdMapping<ForeignAssetId, MultiLocation, AssetMetadata> {136 /// Returns the AssetMetadata associated with a given ForeignAssetId.137 fn get_asset_metadata(foreign_asset_id: ForeignAssetId) -> Option<AssetMetadata>;138 /// Returns the MultiLocation associated with a given ForeignAssetId.139 fn get_multi_location(foreign_asset_id: ForeignAssetId) -> Option<MultiLocation>;140 /// Returns the CurrencyId associated with a given MultiLocation.141 fn get_currency_id(multi_location: MultiLocation) -> Option<CurrencyId>;142}143144pub struct XcmForeignAssetIdMapping<T>(sp_std::marker::PhantomData<T>);145146impl<T: Config> AssetIdMapping<ForeignAssetId, MultiLocation, AssetMetadata<BalanceOf<T>>>147 for XcmForeignAssetIdMapping<T>148{149 fn get_asset_metadata(foreign_asset_id: ForeignAssetId) -> Option<AssetMetadata<BalanceOf<T>>> {150 log::trace!(target: "fassets::asset_metadatas", "call");151 Pallet::<T>::asset_metadatas(AssetIds::ForeignAssetId(foreign_asset_id))152 }153154 fn get_multi_location(foreign_asset_id: ForeignAssetId) -> Option<MultiLocation> {155 log::trace!(target: "fassets::get_multi_location", "call");156 Pallet::<T>::foreign_asset_locations(foreign_asset_id)157 }158159 fn get_currency_id(multi_location: MultiLocation) -> Option<CurrencyId> {160 log::trace!(target: "fassets::get_currency_id", "call");161 Some(AssetIds::ForeignAssetId(162 Pallet::<T>::location_to_currency_ids(multi_location).unwrap_or(0),163 ))164 }165}166167#[frame_support::pallet]168pub mod module {169 use super::*;170171 #[pallet::config]172 pub trait Config:173 frame_system::Config174 + pallet_common::Config175 + pallet_fungible::Config176 + orml_tokens::Config177 + pallet_balances::Config178 {179 /// The overarching event type.180 type Event: From<Event<Self>> + IsType<<Self as frame_system::Config>::Event>;181182 /// Currency type for withdraw and balance storage.183 type Currency: Currency<Self::AccountId>;184185 /// Required origin for registering asset.186 type RegisterOrigin: EnsureOrigin<Self::Origin>;187188 /// Weight information for the extrinsics in this module.189 type WeightInfo: WeightInfo;190 }191192 #[derive(Clone, Eq, PartialEq, RuntimeDebug, Encode, Decode, TypeInfo)]193 pub struct AssetMetadata<Balance> {194 pub name: Vec<u8>,195 pub symbol: Vec<u8>,196 pub decimals: u8,197 pub minimal_balance: Balance,198 }199200 #[pallet::error]201 pub enum Error<T> {202 /// The given location could not be used (e.g. because it cannot be expressed in the203 /// desired version of XCM).204 BadLocation,205 /// MultiLocation existed206 MultiLocationExisted,207 /// AssetId not exists208 AssetIdNotExists,209 /// AssetId exists210 AssetIdExisted,211 }212213 #[pallet::event]214 #[pallet::generate_deposit(fn deposit_event)]215 pub enum Event<T: Config> {216 /// The foreign asset registered.217 ForeignAssetRegistered {218 asset_id: ForeignAssetId,219 asset_address: MultiLocation,220 metadata: AssetMetadata<BalanceOf<T>>,221 },222 /// The foreign asset updated.223 ForeignAssetUpdated {224 asset_id: ForeignAssetId,225 asset_address: MultiLocation,226 metadata: AssetMetadata<BalanceOf<T>>,227 },228 /// The asset registered.229 AssetRegistered {230 asset_id: AssetIds,231 metadata: AssetMetadata<BalanceOf<T>>,232 },233 /// The asset updated.234 AssetUpdated {235 asset_id: AssetIds,236 metadata: AssetMetadata<BalanceOf<T>>,237 },238 }239240 /// Next available Foreign AssetId ID.241 ///242 /// NextForeignAssetId: ForeignAssetId243 #[pallet::storage]244 #[pallet::getter(fn next_foreign_asset_id)]245 pub type NextForeignAssetId<T: Config> = StorageValue<_, ForeignAssetId, ValueQuery>;246 /// The storages for MultiLocations.247 ///248 /// ForeignAssetLocations: map ForeignAssetId => Option<MultiLocation>249 #[pallet::storage]250 #[pallet::getter(fn foreign_asset_locations)]251 pub type ForeignAssetLocations<T: Config> =252 StorageMap<_, Twox64Concat, ForeignAssetId, MultiLocation, OptionQuery>;253254 /// The storages for CurrencyIds.255 ///256 /// LocationToCurrencyIds: map MultiLocation => Option<ForeignAssetId>257 #[pallet::storage]258 #[pallet::getter(fn location_to_currency_ids)]259 pub type LocationToCurrencyIds<T: Config> =260 StorageMap<_, Twox64Concat, MultiLocation, ForeignAssetId, OptionQuery>;261262 /// The storages for AssetMetadatas.263 ///264 /// AssetMetadatas: map AssetIds => Option<AssetMetadata>265 #[pallet::storage]266 #[pallet::getter(fn asset_metadatas)]267 pub type AssetMetadatas<T: Config> =268 StorageMap<_, Twox64Concat, AssetIds, AssetMetadata<BalanceOf<T>>, OptionQuery>;269270 /// The storages for assets to fungible collection binding271 ///272 #[pallet::storage]273 #[pallet::getter(fn asset_binding)]274 pub type AssetBinding<T: Config> =275 StorageMap<_, Twox64Concat, ForeignAssetId, CollectionId, OptionQuery>;276277 #[pallet::pallet]278 #[pallet::without_storage_info]279 pub struct Pallet<T>(_);280281 #[pallet::call]282 impl<T: Config> Pallet<T> {283 #[pallet::weight(<T as Config>::WeightInfo::register_foreign_asset())]284 #[transactional]285 pub fn register_foreign_asset(286 origin: OriginFor<T>,287 owner: T::AccountId,288 location: Box<VersionedMultiLocation>,289 metadata: Box<AssetMetadata<BalanceOf<T>>>,290 ) -> DispatchResult {291 T::RegisterOrigin::ensure_origin(origin.clone())?;292293 let location: MultiLocation = (*location)294 .try_into()295 .map_err(|()| Error::<T>::BadLocation)?;296297 let md = metadata.clone();298 let name: Vec<u16> = md.name.into_iter().map(|x| x as u16).collect::<Vec<u16>>();299 let mut description: Vec<u16> = "Foreing assets collection for "300 .encode_utf16()301 .collect::<Vec<u16>>();302 description.append(&mut name.clone());303304 let data: CreateCollectionData<T::AccountId> = CreateCollectionData {305 name: name.try_into().unwrap(),306 description: description.try_into().unwrap(),307 mode: CollectionMode::Fungible(18),308 ..Default::default()309 };310311 let bounded_collection_id = <PalletFungible<T>>::init_foreign_collection(312 CrossAccountId::from_sub(owner),313 data,314 )?;315 let foreign_asset_id =316 Self::do_register_foreign_asset(&location, &metadata, bounded_collection_id)?;317318 Self::deposit_event(Event::<T>::ForeignAssetRegistered {319 asset_id: foreign_asset_id,320 asset_address: location,321 metadata: *metadata,322 });323 Ok(())324 }325326 #[pallet::weight(<T as Config>::WeightInfo::update_foreign_asset())]327 #[transactional]328 pub fn update_foreign_asset(329 origin: OriginFor<T>,330 foreign_asset_id: ForeignAssetId,331 location: Box<VersionedMultiLocation>,332 metadata: Box<AssetMetadata<BalanceOf<T>>>,333 ) -> DispatchResult {334 T::RegisterOrigin::ensure_origin(origin)?;335336 let location: MultiLocation = (*location)337 .try_into()338 .map_err(|()| Error::<T>::BadLocation)?;339 Self::do_update_foreign_asset(foreign_asset_id, &location, &metadata)?;340341 Self::deposit_event(Event::<T>::ForeignAssetUpdated {342 asset_id: foreign_asset_id,343 asset_address: location,344 metadata: *metadata,345 });346 Ok(())347 }348 }349}350351impl<T: Config> Pallet<T> {352 fn get_next_foreign_asset_id() -> Result<ForeignAssetId, DispatchError> {353 NextForeignAssetId::<T>::try_mutate(|current| -> Result<ForeignAssetId, DispatchError> {354 let id = *current;355 *current = current356 .checked_add(One::one())357 .ok_or(ArithmeticError::Overflow)?;358 Ok(id)359 })360 }361362 fn do_register_foreign_asset(363 location: &MultiLocation,364 metadata: &AssetMetadata<BalanceOf<T>>,365 bounded_collection_id: CollectionId,366 ) -> Result<ForeignAssetId, DispatchError> {367 let foreign_asset_id = Self::get_next_foreign_asset_id()?;368 LocationToCurrencyIds::<T>::try_mutate(location, |maybe_currency_ids| -> DispatchResult {369 ensure!(370 maybe_currency_ids.is_none(),371 Error::<T>::MultiLocationExisted372 );373 *maybe_currency_ids = Some(foreign_asset_id);374 // *maybe_currency_ids = Some(CurrencyId::ForeignAsset(foreign_asset_id));375376 ForeignAssetLocations::<T>::try_mutate(377 foreign_asset_id,378 |maybe_location| -> DispatchResult {379 ensure!(maybe_location.is_none(), Error::<T>::MultiLocationExisted);380 *maybe_location = Some(location.clone());381382 AssetMetadatas::<T>::try_mutate(383 AssetIds::ForeignAssetId(foreign_asset_id),384 |maybe_asset_metadatas| -> DispatchResult {385 ensure!(maybe_asset_metadatas.is_none(), Error::<T>::AssetIdExisted);386 *maybe_asset_metadatas = Some(metadata.clone());387 Ok(())388 },389 )390 },391 )?;392393 AssetBinding::<T>::try_mutate(foreign_asset_id, |collection_id| -> DispatchResult {394 *collection_id = Some(bounded_collection_id);395 Ok(())396 })397 })?;398399 Ok(foreign_asset_id)400 }401402 fn do_update_foreign_asset(403 foreign_asset_id: ForeignAssetId,404 location: &MultiLocation,405 metadata: &AssetMetadata<BalanceOf<T>>,406 ) -> DispatchResult {407 ForeignAssetLocations::<T>::try_mutate(408 foreign_asset_id,409 |maybe_multi_locations| -> DispatchResult {410 let old_multi_locations = maybe_multi_locations411 .as_mut()412 .ok_or(Error::<T>::AssetIdNotExists)?;413414 AssetMetadatas::<T>::try_mutate(415 AssetIds::ForeignAssetId(foreign_asset_id),416 |maybe_asset_metadatas| -> DispatchResult {417 ensure!(418 maybe_asset_metadatas.is_some(),419 Error::<T>::AssetIdNotExists420 );421422 // modify location423 if location != old_multi_locations {424 LocationToCurrencyIds::<T>::remove(old_multi_locations.clone());425 LocationToCurrencyIds::<T>::try_mutate(426 location,427 |maybe_currency_ids| -> DispatchResult {428 ensure!(429 maybe_currency_ids.is_none(),430 Error::<T>::MultiLocationExisted431 );432 // *maybe_currency_ids = Some(CurrencyId::ForeignAsset(foreign_asset_id));433 *maybe_currency_ids = Some(foreign_asset_id);434 Ok(())435 },436 )?;437 }438 *maybe_asset_metadatas = Some(metadata.clone());439 *old_multi_locations = location.clone();440 Ok(())441 },442 )443 },444 )445 }446}447448use sp_runtime::SaturatedConversion;449use sp_runtime::traits::Saturating;450pub use frame_support::{451 traits::{452 fungibles::{Balanced, CreditOf},453 tokens::currency::Currency as CurrencyT,454 OnUnbalanced as OnUnbalancedT,455 },456 weights::{WeightToFeePolynomial, WeightToFee},457};458459use xcm::latest::{Fungibility::Fungible as XcmFungible};460461pub struct UsingAnyCurrencyComponents<462 WeightToFee: WeightToFeePolynomial<Balance = Currency::Balance>,463 AssetId: Get<MultiLocation>,464 AccountId,465 Currency: CurrencyT<AccountId>,466 OnUnbalanced: OnUnbalancedT<Currency::NegativeImbalance>,467>(468 Weight,469 Currency::Balance,470 PhantomData<(WeightToFee, AssetId, AccountId, Currency, OnUnbalanced)>,471);472473impl<474 WeightToFee: WeightToFeePolynomial<Balance = Currency::Balance>,475 AssetId: Get<MultiLocation>,476 AccountId,477 Currency: CurrencyT<AccountId>,478 OnUnbalanced: OnUnbalancedT<Currency::NegativeImbalance>,479 > WeightTrader480 for UsingAnyCurrencyComponents<WeightToFee, AssetId, AccountId, Currency, OnUnbalanced>481{482 fn new() -> Self {483 Self(0, Zero::zero(), PhantomData)484 }485486 fn buy_weight(&mut self, weight: Weight, payment: Assets) -> Result<Assets, XcmError> {487 log::trace!(target: "fassets::weight", "buy_weight weight: {:?}, payment: {:?}", weight, payment);488489 let amount = WeightToFee::weight_to_fee(&weight);490 let u128_amount: u128 = amount.try_into().map_err(|_| XcmError::Overflow)?;491492 let asset_id = payment493 .fungible494 .iter()495 .next()496 .map_or(Err(XcmError::TooExpensive), |v| Ok(v.0))?;497498 // First fungible pays fee499 let required = MultiAsset {500 id: asset_id.clone(),501 fun: XcmFungible(u128_amount),502 };503504 log::trace!(505 target: "fassets::weight", "buy_weight payment: {:?}, required: {:?}",506 payment, required,507 );508509 let unused = payment510 .checked_sub(required)511 .map_err(|_| XcmError::TooExpensive)?;512 self.0 = self.0.saturating_add(weight);513 self.1 = self.1.saturating_add(amount);514 Ok(unused)515 }516517 fn refund_weight(&mut self, weight: Weight) -> Option<MultiAsset> {518 let weight = weight.min(self.0);519 let amount = WeightToFee::weight_to_fee(&weight);520 self.0 -= weight;521 self.1 = self.1.saturating_sub(amount);522 let amount: u128 = amount.saturated_into();523 if amount > 0 {524 Some((AssetId::get(), amount).into())525 } else {526 None527 }528 }529}530impl<531 WeightToFee: WeightToFeePolynomial<Balance = Currency::Balance>,532 AssetId: Get<MultiLocation>,533 AccountId,534 Currency: CurrencyT<AccountId>,535 OnUnbalanced: OnUnbalancedT<Currency::NegativeImbalance>,536 > Drop for UsingAnyCurrencyComponents<WeightToFee, AssetId, AccountId, Currency, OnUnbalanced>537{538 fn drop(&mut self) {539 OnUnbalanced::on_unbalanced(Currency::issue(self.1));540 }541}pallets/foreing-assets/src/weights.rsdiffbeforeafterboth--- /dev/null
+++ b/pallets/foreing-assets/src/weights.rs
@@ -0,0 +1,43 @@
+
+#![cfg_attr(rustfmt, rustfmt_skip)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+#![allow(clippy::unnecessary_cast)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for module_asset_registry.
+pub trait WeightInfo {
+ fn register_foreign_asset() -> Weight;
+ fn update_foreign_asset() -> Weight;
+}
+
+/// Weights for module_asset_registry using the Acala node and recommended hardware.
+pub struct AcalaWeight<T>(PhantomData<T>);
+impl<T: frame_system::Config> WeightInfo for AcalaWeight<T> {
+ fn register_foreign_asset() -> Weight {
+ (29_819_000 as Weight)
+ .saturating_add(T::DbWeight::get().reads(2 as Weight))
+ .saturating_add(T::DbWeight::get().writes(3 as Weight))
+ }
+ fn update_foreign_asset() -> Weight {
+ (25_119_000 as Weight)
+ .saturating_add(T::DbWeight::get().reads(1 as Weight))
+ .saturating_add(T::DbWeight::get().writes(1 as Weight))
+ }
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+ fn register_foreign_asset() -> Weight {
+ (29_819_000 as Weight)
+ .saturating_add(RocksDbWeight::get().reads(2 as Weight))
+ .saturating_add(RocksDbWeight::get().writes(3 as Weight))
+ }
+ fn update_foreign_asset() -> Weight {
+ (25_119_000 as Weight)
+ .saturating_add(RocksDbWeight::get().reads(1 as Weight))
+ .saturating_add(RocksDbWeight::get().writes(1 as Weight))
+ }
+}
\ No newline at end of file
runtime/common/construct_runtime/mod.rsdiffbeforeafterboth--- a/runtime/common/construct_runtime/mod.rs
+++ b/runtime/common/construct_runtime/mod.rs
@@ -77,6 +77,9 @@
#[runtimes(opal)]
RmrkEquip: pallet_proxy_rmrk_equip::{Pallet, Call, Storage, Event<T>} = 72,
+ #[runtimes(opal)]
+ ForeingAssets: pallet_foreing_assets::{Pallet, Call, Storage, Event<T>} = 80,
+
// Frontier
EVM: pallet_evm::{Pallet, Config, Call, Storage, Event<T>} = 100,
Ethereum: pallet_ethereum::{Pallet, Config, Call, Storage, Event, Origin} = 101,