feat: liquidity mining - use underlying asset's oracle for bonds distribution

integration-tests/src/omnipool_liquidity_mining.rs

@@ -26,15 +26,17 @@ use warehouse_liquidity_mining::{
 };
 
 use orml_traits::MultiCurrency;
-use primitives::AssetId;
+use primitives::{constants::currency::UNITS, AssetId};
 use sp_runtime::{
 	traits::{One, Zero},
 	FixedPointNumber, FixedU128, Permill, Perquintill,
 };
 use xcm_emulator::TestExt;
 
-use hydradx_runtime::{Balance, RuntimeOrigin};
+use hydradx_runtime::{AssetRegistry, Balance, Bonds, RuntimeOrigin};
+use pallet_asset_registry::AssetType;
 use pretty_assertions::assert_eq;
+use primitives::constants::time::unix_time::MONTH;
 
 #[macro_export]
 macro_rules! assert_nft_owner {
@@ -113,7 +115,7 @@ fn create_yield_farm_should_work_when_asset_is_in_omnipool() {
 		init_omnipool();
 
 		set_relaychain_block_number(100);
-		create_global_farm();
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		assert_ok!(hydradx_runtime::OmnipoolLiquidityMining::create_yield_farm(
@@ -152,7 +154,7 @@ fn deposit_shares_should_work_when_yield_farm_exists() {
 		//NOTE: necessary to get oracle price.
 		hydradx_run_to_block(100);
 		set_relaychain_block_number(100);
-		create_global_farm();
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		create_yield_farm(global_farm_id, ETH);
@@ -223,8 +225,8 @@ fn redeposit_shares_multiple_times_should_work_when_shares_already_deposited() {
 		//NOTE: necessary to get oracle price.
 		hydradx_run_to_block(100);
 		set_relaychain_block_number(100);
-		create_global_farm();
-		create_global_farm();
+		create_global_farm(None);
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		create_yield_farm(global_farm_1_id, ETH);
@@ -314,8 +316,8 @@ fn claim_rewards_should_work_when_rewards_are_accumulated_for_deposit() {
 		//NOTE: necessary to get oracle price.
 		hydradx_run_to_block(100);
 		set_relaychain_block_number(100);
-		create_global_farm();
-		create_global_farm();
+		create_global_farm(None);
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		create_yield_farm(global_farm_1_id, ETH);
@@ -419,8 +421,8 @@ fn withdraw_shares_should_work_when_deposit_exists() {
 		//NOTE: necessary to get oracle price.
 		hydradx_run_to_block(100);
 		set_relaychain_block_number(100);
-		create_global_farm();
-		create_global_farm();
+		create_global_farm(None);
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		create_yield_farm(global_farm_1_id, ETH);
@@ -595,7 +597,7 @@ fn init_omnipool() {
 	));
 }
 
-fn create_global_farm() {
+fn create_global_farm(rewards_currency: Option<AssetId>) {
 	let total_rewards = 1_000_000 * UNITS;
 
 	assert_ok!(hydradx_runtime::Balances::force_set_balance(
@@ -609,7 +611,7 @@ fn create_global_farm() {
 		total_rewards,
 		1_000_000,
 		10,
-		HDX,
+		rewards_currency.unwrap_or(HDX),
 		Treasury::account_id(),
 		Perquintill::from_parts(570_776_255_707),
 		1_000,
@@ -688,7 +690,7 @@ fn position_should_be_valued_correctly_when_oracle_is_used() {
 		//NOTE: necessary to get oracle price.
 		hydradx_run_to_block(100);
 		set_relaychain_block_number(100);
-		create_global_farm();
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		create_yield_farm(global_farm_id, ETH);
@@ -767,7 +769,7 @@ fn price_adjustment_from_oracle_should_be_saved_in_global_farm_when_oracle_is_av
 		//NOTE: necessary to get oracle price.
 		hydradx_run_to_block(100);
 		set_relaychain_block_number(100);
-		create_global_farm();
+		create_global_farm(None);
 
 		set_relaychain_block_number(200);
 		create_yield_farm(global_farm_1_id, ETH);
@@ -814,3 +816,114 @@ fn price_adjustment_from_oracle_should_be_saved_in_global_farm_when_oracle_is_av
 		);
 	});
 }
+
+#[test]
+fn liquidity_mining_should_work_when_farm_distributes_bonds() {
+	TestNet::reset();
+
+	Hydra::execute_with(|| {
+		let global_farm_1_id = 1;
+		let yield_farm_1_id = 2;
+
+		//Arrange
+		init_omnipool();
+		seed_lm_pot();
+		//necessary for oracle to have a price.
+		do_lrna_hdx_trade();
+
+		//Create bodns
+		assert_ok!(hydradx_runtime::Balances::force_set_balance(
+			hydradx_runtime::RuntimeOrigin::root(),
+			Treasury::account_id(),
+			2_000_000 * UNITS,
+		));
+
+		let maturity = NOW + MONTH;
+		let bond_id = AssetRegistry::next_asset_id().unwrap();
+		assert_ok!(Bonds::issue(
+			RuntimeOrigin::signed(Treasury::account_id()),
+			HDX,
+			2_000_000 * UNITS,
+			maturity
+		));
+		assert_eq!(AssetRegistry::assets(bond_id).unwrap().asset_type, AssetType::Bond);
+
+		//farm's rewards in test are less than ED.
+		assert_ok!(hydradx_runtime::Currencies::transfer(
+			hydradx_runtime::RuntimeOrigin::signed(Treasury::account_id()),
+			CHARLIE.into(),
+			bond_id,
+			2 * UNITS,
+		));
+
+		//NOTE: necessary to get oracle price.
+		hydradx_run_to_block(100);
+		set_relaychain_block_number(100);
+		create_global_farm(Some(bond_id));
+
+		set_relaychain_block_number(200);
+		create_yield_farm(global_farm_1_id, ETH);
+
+		set_relaychain_block_number(300);
+
+		assert_ok!(hydradx_runtime::Currencies::update_balance(
+			hydradx_runtime::RuntimeOrigin::root(),
+			CHARLIE.into(),
+			ETH,
+			10_000 * UNITS as i128,
+		));
+
+		let position_id = omnipool_add_liquidity(CHARLIE.into(), ETH, 1_000 * UNITS);
+		assert_nft_owner!(
+			hydradx_runtime::OmnipoolCollectionId::get(),
+			position_id,
+			CHARLIE.into()
+		);
+
+		set_relaychain_block_number(400);
+		let deposit_id = 1;
+		assert_ok!(hydradx_runtime::OmnipoolLiquidityMining::deposit_shares(
+			RuntimeOrigin::signed(CHARLIE.into()),
+			global_farm_1_id,
+			yield_farm_1_id,
+			position_id
+		));
+
+		let charlie_bonds_balance_0 = hydradx_runtime::Currencies::free_balance(bond_id, &CHARLIE.into());
+		set_relaychain_block_number(600);
+		assert_ok!(hydradx_runtime::OmnipoolLiquidityMining::claim_rewards(
+			RuntimeOrigin::signed(CHARLIE.into()),
+			deposit_id,
+			yield_farm_1_id
+		));
+
+		//Assert
+		let expected_claimed_amount = 393_607_131_u128;
+		assert_eq!(
+			hydradx_runtime::Currencies::free_balance(bond_id, &CHARLIE.into()),
+			charlie_bonds_balance_0 + expected_claimed_amount
+		);
+
+		set_relaychain_block_number(700);
+		let charlie_bonds_balance_0 = hydradx_runtime::Currencies::free_balance(bond_id, &CHARLIE.into());
+		assert_ok!(hydradx_runtime::OmnipoolLiquidityMining::withdraw_shares(
+			RuntimeOrigin::signed(CHARLIE.into()),
+			deposit_id,
+			yield_farm_1_id
+		));
+
+		let expected_claimed_amount = 229_243_713_u128;
+		assert_eq!(
+			hydradx_runtime::Currencies::free_balance(bond_id, &CHARLIE.into()),
+			charlie_bonds_balance_0 + expected_claimed_amount
+		);
+
+		// NOTE: make sure oracle's price adjustment was used.
+		let global_farm = hydradx_runtime::OmnipoolWarehouseLM::global_farm(global_farm_1_id).unwrap();
+		let price_adjustment = DefaultPriceAdjustment::get(&global_farm).unwrap();
+		assert_eq!(
+			price_adjustment,
+			FixedU128::from_inner(830_817_151_946_084_689_817_u128)
+		);
+	});
+}

pallets/bonds/src/lib.rs

@@ -53,7 +53,7 @@ use frame_support::{
 };
 use frame_system::{ensure_signed, pallet_prelude::OriginFor};
 use sp_core::MaxEncodedLen;
-use sp_std::vec::Vec;
+use sp_std::{mem, vec::Vec};
 
 use hydradx_traits::{AssetKind, CreateRegistry, Registry};
 use orml_traits::{GetByKey, MultiCurrency};
@@ -179,6 +179,8 @@ pub mod pallet {
 		InvalidMaturity,
 		/// Asset type not allowed for underlying asset
 		DisallowedAsset,
+		/// Bond's name parsing was now successful
+		FailToParseName,
 	}
 
 	#[pallet::call]
@@ -313,4 +315,12 @@ impl<T: Config> Pallet<T> {
 
 		buf
 	}
+
+	pub fn parse_bond_name(name: Vec<u8>) -> Result<AssetId, Error<T>> {
+		Ok(AssetId::from_le_bytes(
+			name[..mem::size_of::<AssetId>()]
+				.try_into()
+				.map_err(|_| Error::<T>::FailToParseName)?,
+		))
+	}
 }

pallets/bonds/src/tests/mod.rs

@@ -1,3 +1,5 @@
 mod issue;
 pub mod mock;
 mod redeem;
+#[allow(clippy::module_inception)]
+mod tests;

pallets/bonds/src/tests/tests.rs

@@ -0,0 +1,37 @@
+// This file is part of HydraDX.
+
+// Copyright (C) 2020-2022  Intergalactic, Limited (GIB).
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use crate::tests::mock::*;
+use crate::*;
+
+#[test]
+fn parse_name_should_work() {
+	let n = Pallet::<Test>::bond_name(0_u32, 1689844300000_u64);
+	assert_eq!(Pallet::<Test>::parse_bond_name(n), Ok(0_u32));
+
+	let n = Pallet::<Test>::bond_name(u32::max_value(), 1689844300000_u64);
+	assert_eq!(Pallet::<Test>::parse_bond_name(n), Ok(u32::max_value()));
+
+	let n = Pallet::<Test>::bond_name(1, 1689844300000_u64);
+	assert_eq!(Pallet::<Test>::parse_bond_name(n), Ok(1));
+
+	let n = Pallet::<Test>::bond_name(13_124, 1689844300000_u64);
+	assert_eq!(Pallet::<Test>::parse_bond_name(n), Ok(13_124));
+
+	let n = Pallet::<Test>::bond_name(789_970_979, 1689844300000_u64);
+	assert_eq!(Pallet::<Test>::parse_bond_name(n), Ok(789_970_979));
+}

runtime/adapters/Cargo.toml

@@ -30,6 +30,8 @@ pallet-currencies = { workspace = true }
 pallet-stableswap = { workspace = true }
 pallet-referrals = { workspace = true }
 pallet-lbp = { workspace = true }
+pallet-asset-registry = { workspace = true }
+pallet-bonds = { workspace = true }
 
 # Substrate dependencies
 frame-support = { workspace = true }
@@ -87,4 +89,7 @@ std = [
     "cumulus-pallet-parachain-system/std",
     "polkadot-parachain/std",
     "orml-tokens/std",
+    "pallet-asset-registry/std",
+    "pallet-omnipool-liquidity-mining/std",
+    "pallet-bonds/std",
 ]

runtime/adapters/src/lib.rs

@@ -17,7 +17,7 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
-use codec::FullCodec;
+use codec::{EncodeLike, FullCodec};
 use cumulus_primitives_core::relay_chain::Hash;
 use frame_support::{
 	sp_runtime::{
@@ -629,14 +629,28 @@ impl<Runtime, LMInstance> PriceAdjustment<GlobalFarmData<Runtime, LMInstance>>
 where
 	Runtime: warehouse_liquidity_mining::Config<LMInstance>
 		+ pallet_ema_oracle::Config
-		+ pallet_omnipool_liquidity_mining::Config,
+		+ pallet_omnipool_liquidity_mining::Config
+		+ pallet_asset_registry::Config
+		+ pallet_bonds::Config,
+	u32: EncodeLike<<Runtime as pallet_asset_registry::Config>::AssetId>,
 {
 	type Error = DispatchError;
 	type PriceAdjustment = FixedU128;
 
 	fn get(global_farm: &GlobalFarmData<Runtime, LMInstance>) -> Result<Self::PriceAdjustment, Self::Error> {
+		use pallet_asset_registry::AssetType;
+
+		let rew_curr = pallet_asset_registry::Assets::<Runtime>::get(global_farm.reward_currency.into())
+			.ok_or(pallet_omnipool_liquidity_mining::Error::<Runtime>::PriceAdjustmentNotAvailable)?;
+
+		let reward_currency_id = if rew_curr.asset_type == AssetType::Bond {
+			pallet_bonds::Pallet::<Runtime>::parse_bond_name(rew_curr.name.into())?
+		} else {
+			global_farm.reward_currency.into()
+		};
+
 		let (price, _) = pallet_ema_oracle::Pallet::<Runtime>::get_price(
-			global_farm.reward_currency.into(),
+			reward_currency_id,
 			global_farm.incentivized_asset.into(), //LRNA
 			OraclePeriod::TenMinutes,
 			OMNIPOOL_SOURCE,