Storage Migrations

Author: JuaniRios

integration-tests/src/constants.rs

@@ -358,9 +358,10 @@ pub mod polimec {
 		let usdc_asset_id = AcceptedFundingAsset::USDC.id();
 		let weth_asset_id = AcceptedFundingAsset::WETH.id();
 
-		let mut funded_accounts = vec![
-			(PolimecNet::sovereign_account_id_of((Parent, xcm::prelude::Parachain(1000)).into()), INITIAL_DEPOSIT),
-		];
+		let mut funded_accounts = vec![(
+			PolimecNet::sovereign_account_id_of((Parent, xcm::prelude::Parachain(1000)).into()),
+			INITIAL_DEPOSIT,
+		)];
 		let alice_account = PolimecNet::account_id_of(accounts::ALICE);
 		let bob_account: AccountId = PolimecNet::account_id_of(accounts::BOB);
 		let charlie_account: AccountId = PolimecNet::account_id_of(accounts::CHARLIE);

integration-tests/src/lib.rs

@@ -83,10 +83,7 @@ decl_test_networks! {
 
 /// Shortcuts to reduce boilerplate on runtime types
 pub mod shortcuts {
-	use super::{
-		Chain, Polimec, PolimecParaPallet, PolkadotNet, PolkadotRelay as Polkadot,
-		PolkadotRelayRelayPallet,
-	};
+	use super::{Chain, Polimec, PolimecParaPallet, PolkadotNet, PolkadotRelay as Polkadot, PolkadotRelayRelayPallet};
 
 	pub type PolkaNet = Polkadot<PolkadotNet>;
 	pub type PolimecNet = Polimec<PolkadotNet>;

integration-tests/src/tests/ct_migration.rs

@@ -46,7 +46,6 @@ impl<T: Config> Pallet<T> {
 			},
 			usd_bid_on_oversubscription: None,
 			funding_end_block: None,
-			migration_type: None,
 		};
 
 		let bucket: BucketOf<T> = Self::create_bucket_from_metadata(project_metadata)?;

pallets/funding/src/functions/1_application.rs

@@ -137,7 +137,6 @@ impl<T: Config> Pallet<T> {
 			Self::create_migration(
 				project_id,
 				&evaluation.evaluator,
-				evaluation.id,
 				ParticipationType::Evaluation,
 				ct_rewarded,
 				duration,
@@ -209,7 +208,6 @@ impl<T: Config> Pallet<T> {
 			Self::create_migration(
 				project_id,
 				&bid.bidder,
-				bid.id,
 				ParticipationType::Bid,
 				final_ct_amount,
 				ct_vesting_duration,
@@ -423,7 +421,6 @@ impl<T: Config> Pallet<T> {
 	pub fn create_migration(
 		project_id: ProjectId,
 		origin: &AccountIdOf<T>,
-		id: u32,
 		participation_type: ParticipationType,
 		ct_amount: Balance,
 		vesting_time: BlockNumberFor<T>,
@@ -437,7 +434,7 @@ impl<T: Config> Pallet<T> {
 		}
 
 		let mut user_migrations = user_migrations.to_vec();
-		let migration_origin = MigrationOrigin { user: receiving_account, id, participation_type };
+		let migration_origin = MigrationOrigin { user: receiving_account, participation_type };
 		let vesting_time: u64 = vesting_time.try_into().map_err(|_| Error::<T>::BadMath)?;
 		let migration_info: MigrationInfo = (ct_amount, vesting_time).into();
 		let migration = Migration::new(migration_origin, migration_info);

pallets/funding/src/functions/5_settlement.rs

@@ -5,12 +5,10 @@ impl<T: Config> Pallet<T> {
 	/// Mark a project as ready for offchain migration confirmations.
 	#[transactional]
 	pub fn do_start_offchain_migration(project_id: ProjectId, caller: AccountIdOf<T>) -> DispatchResultWithPostInfo {
-		let mut project_details = ProjectsDetails::<T>::get(project_id).ok_or(Error::<T>::ProjectDetailsNotFound)?;
+		let project_details = ProjectsDetails::<T>::get(project_id).ok_or(Error::<T>::ProjectDetailsNotFound)?;
 
 		ensure!(project_details.issuer_account == caller, Error::<T>::NotIssuer);
 
-		project_details.migration_type = Some(MigrationType::Offchain);
-
 		Self::transition_project(
 			project_id,
 			project_details,

pallets/funding/src/functions/6_ct_migration.rs

@@ -236,70 +236,6 @@ impl<T: Config> Pallet<T> {
 		Ok((liquidity_pools_reward_pot, long_term_holder_reward_pot))
 	}
 
-	pub fn migrations_per_xcm_message_allowed() -> u32 {
-		const MAX_WEIGHT: Weight = Weight::from_parts(20_000_000_000, 1_000_000);
-
-		let one_migration_bytes = (0u128, 0u64).encode().len() as u32;
-
-		// our encoded call starts with pallet index 51, and call index 0
-		let mut encoded_call = vec![51u8, 0];
-		let encoded_first_param = [0u8; 32].encode();
-		let encoded_second_param = Vec::<MigrationInfo>::new().encode();
-		// we append the encoded parameters, with our migrations vec being empty for now
-		encoded_call.extend_from_slice(encoded_first_param.as_slice());
-		encoded_call.extend_from_slice(encoded_second_param.as_slice());
-
-		let base_xcm_message: Xcm<()> = Xcm(vec![
-			UnpaidExecution { weight_limit: WeightLimit::Unlimited, check_origin: None },
-			Transact { origin_kind: OriginKind::Native, require_weight_at_most: MAX_WEIGHT, call: encoded_call.into() },
-			ReportTransactStatus(QueryResponseInfo {
-				destination: Parachain(3344).into(),
-				query_id: 0,
-				max_weight: MAX_WEIGHT,
-			}),
-		]);
-		let xcm_size = base_xcm_message.encode().len();
-
-		let available_bytes_for_migration_per_message =
-			T::RequiredMaxMessageSize::get().saturating_sub(xcm_size as u32);
-
-		available_bytes_for_migration_per_message.saturating_div(one_migration_bytes)
-	}
-
-	// /// Check if the user has no participations (left) in the project.
-	// pub fn user_has_no_participations(project_id: ProjectId, user: AccountIdOf<T>) -> bool {
-	// 	Evaluations::<T>::iter_prefix_values((project_id, user.clone())).next().is_none() &&
-	// 		Bids::<T>::iter_prefix_values((project_id, user.clone())).next().is_none()
-	// }
-
-	pub fn construct_migration_xcm_message(
-		migrations: WeakBoundedVec<Migration, ConstU32<10_000>>,
-		query_id: QueryId,
-		pallet_index: PalletIndex,
-	) -> Xcm<()> {
-		// TODO: adjust this as benchmarks for polimec-receiver are written
-		const MAX_WEIGHT: Weight = Weight::from_parts(10_000, 0);
-		const MAX_RESPONSE_WEIGHT: Weight = Weight::from_parts(700_000_000, 50_000);
-		let migrations_item = Migrations::from(migrations.to_vec());
-
-		// First byte is the pallet index, second byte is the call index
-		let mut encoded_call = vec![pallet_index, 0];
-
-		// migrations_item can contain a Maximum of MaxParticipationsPerUser migrations which
-		// is 48. So we know that there is an upper limit to this encoded call, namely 48 *
-		// Migration encode size.
-		encoded_call.extend_from_slice(migrations_item.encode().as_slice());
-		Xcm(vec![
-			UnpaidExecution { weight_limit: WeightLimit::Unlimited, check_origin: None },
-			Transact { origin_kind: OriginKind::Native, require_weight_at_most: MAX_WEIGHT, call: encoded_call.into() },
-			ReportTransactStatus(QueryResponseInfo {
-				destination: ParentThen(Parachain(POLIMEC_PARA_ID).into()).into(),
-				query_id,
-				max_weight: MAX_RESPONSE_WEIGHT,
-			}),
-		])
-	}
-
 	pub fn change_migration_status(
 		project_id: ProjectId,
 		user: T::AccountId,
@@ -309,22 +245,9 @@ impl<T: Config> Pallet<T> {
 		let (current_status, migrations) =
 			UserMigrations::<T>::get((project_id, user.clone())).ok_or(Error::<T>::NoMigrationsFound)?;
 
-		let status = match status {
-			MigrationStatus::Sent(_)
-				if matches!(current_status, MigrationStatus::NotStarted | MigrationStatus::Failed) =>
-				status,
-			MigrationStatus::Confirmed
-				if matches!(project_details.migration_type, Some(MigrationType::Offchain)) ||
-					(matches!(project_details.migration_type, Some(MigrationType::Pallet(_))) &&
-						matches!(current_status, MigrationStatus::Sent(_))) =>
-			{
-				UnmigratedCounter::<T>::mutate(project_id, |counter| *counter = counter.saturating_sub(1));
-				status
-			},
-			MigrationStatus::Failed if matches!(current_status, MigrationStatus::Sent(_)) => status,
+		ensure!(current_status == MigrationStatus::NotStarted, Error::<T>::MigrationAlreadyConfirmed);
 
-			_ => return Err(Error::<T>::NotAllowed.into()),
-		};
+		UnmigratedCounter::<T>::mutate(project_id, |counter| *counter = counter.saturating_sub(1));
 		UserMigrations::<T>::insert((project_id, user), (status, migrations));
 		ProjectsDetails::<T>::insert(project_id, project_details);
 

pallets/funding/src/functions/misc.rs

@@ -19,13 +19,11 @@ use frame_support::{
 use frame_system::pallet_prelude::BlockNumberFor;
 use polimec_common::{
 	credentials::{Did, InvestorType},
-	migration_types::{MigrationInfo, Migrations},
 	USD_DECIMALS,
 };
 use sp_arithmetic::{traits::Zero, Percent, Perquintill};
 use sp_runtime::traits::Convert;
 
-const POLIMEC_PARA_ID: u32 = 3344u32;
 #[path = "1_application.rs"]
 mod application;
 #[path = "3_auction.rs"]

pallets/funding/src/functions/mod.rs

@@ -280,7 +280,6 @@ impl<
 			},
 			usd_bid_on_oversubscription: None,
 			funding_end_block: None,
-			migration_type: None,
 		};
 		assert_eq!(metadata, expected_metadata);
 		assert_eq!(details, expected_details);
@@ -540,7 +539,6 @@ impl<
 				project_id,
 				account,
 				amount,
-				evaluation.id,
 				ParticipationType::Evaluation,
 				evaluation.receiving_account,
 				is_successful,
@@ -586,7 +584,6 @@ impl<
 				project_id,
 				bid.bidder,
 				bid_ct_amount,
-				bid.id,
 				ParticipationType::Bid,
 				bid.receiving_account,
 				is_successful,
@@ -599,7 +596,6 @@ impl<
 		project_id: ProjectId,
 		account: AccountIdOf<T>,
 		amount: Balance,
-		id: u32,
 		participation_type: ParticipationType,
 		receiving_account: Junction,
 		should_exist: bool,
@@ -610,19 +606,21 @@ impl<
 			assert!(!should_exist);
 			return;
 		};
-		let expected_migration_origin = MigrationOrigin { user: receiving_account, id, participation_type };
-
-		let Some(migration) =
-			user_migrations.into_iter().find(|migration| migration.origin == expected_migration_origin)
-		else {
-			assert!(!should_exist);
-			return;
-		};
-		assert_close_enough!(
-			migration.info.contribution_token_amount,
-			amount,
-			Perquintill::from_rational(999u64, 1000u64)
-		);
+		let expected_migration_origin = MigrationOrigin { user: receiving_account, participation_type };
+
+		let is_migration_found = user_migrations.into_iter().any(|migration| {
+			migration.origin == expected_migration_origin &&
+				is_close_enough!(
+					migration.info.contribution_token_amount,
+					amount,
+					Perquintill::from_rational(999u64, 1000u64)
+				)
+		});
+		if should_exist {
+			assert!(is_migration_found, "Migration not found for user {:?}", account);
+		} else {
+			assert!(!is_migration_found, "Migration found for user {:?}", account);
+		}
 	}
 
 	pub fn create_new_project(

pallets/funding/src/instantiator/chain_interactions.rs

@@ -40,6 +40,17 @@ macro_rules! assert_close_enough {
 	};
 }
 
+#[macro_export]
+macro_rules! is_close_enough {
+	($real:expr, $desired:expr, $min_percentage:expr) => {{
+		if $real <= $desired {
+			Perquintill::from_rational($real, $desired) >= $min_percentage
+		} else {
+			Perquintill::from_rational($desired, $real) >= $min_percentage
+		}
+	}};
+}
+
 #[macro_export]
 macro_rules! find_event {
     ($runtime:ty, $pattern:pat, $($field_name:ident == $field_value:expr),+) => {

pallets/funding/src/instantiator/macros.rs

@@ -91,7 +91,7 @@ use sp_arithmetic::traits::{One, Saturating};
 use sp_runtime::{traits::AccountIdConversion, FixedPointNumber, FixedU128};
 use sp_std::prelude::*;
 pub use types::*;
-use xcm::v4::{prelude::*};
+use xcm::v4::prelude::*;
 
 pub mod functions;
 pub mod storage_migrations;
@@ -144,7 +144,6 @@ pub mod pallet {
 	#[allow(clippy::wildcard_imports)]
 	use super::*;
 	use crate::traits::{BondingRequirementCalculation, VestingDurationCalculation};
-	use core::ops::RangeInclusive;
 	use frame_support::{
 		pallet_prelude::*,
 		storage::KeyPrefixIterator,
@@ -173,7 +172,6 @@ pub mod pallet {
 	pub trait Config:
 		frame_system::Config<Nonce = u32>
 		+ pallet_balances::Config<Balance = Balance>
-		+ pallet_xcm::Config
 		+ pallet_linear_release::Config<Balance = Balance, RuntimeHoldReason = RuntimeHoldReasonOf<Self>>
 		+ pallet_proxy_bonding::Config<
 			RuntimeHoldReason = RuntimeHoldReasonOf<Self>,
@@ -200,10 +198,6 @@ pub mod pallet {
 		/// BlockNumber used for PLMC vesting durations on this chain, and CT vesting durations on funded chains.
 		type BlockNumber: IsType<BlockNumberFor<Self>> + Into<u64>;
 
-		/// The length (expressed in number of blocks) of the Community Round.
-		#[pallet::constant]
-		type CommunityRoundDuration: Get<BlockNumberFor<Self>>;
-
 		/// The currency used for minting contribution tokens as fungible assets (i.e pallet-assets)
 		type ContributionTokenCurrency: fungibles::Create<AccountIdOf<Self>, AssetId = ProjectId, Balance = Balance>
 			+ fungibles::Destroy<AccountIdOf<Self>, AssetId = ProjectId, Balance = Balance>
@@ -256,17 +250,9 @@ pub mod pallet {
 			Success = (AccountIdOf<Self>, Did, InvestorType, Cid),
 		>;
 
-		/// Range of max_capacity_thresholds values for the hrmp config where we accept the incoming channel request
-		#[pallet::constant]
-		type MaxCapacityThresholds: Get<RangeInclusive<u32>>;
-
 		#[pallet::constant]
 		type MinUsdPerEvaluation: Get<Balance>;
 
-		/// RangeInclusive of max_message_size values for the hrmp config where we accept the incoming channel request
-		#[pallet::constant]
-		type MaxMessageSizeThresholds: Get<RangeInclusive<u32>>;
-
 		/// Multiplier type that decides how much PLMC needs to be bonded for a token buy/bid
 		type Multiplier: Parameter
 			+ BondingRequirementCalculation
@@ -295,21 +281,6 @@ pub mod pallet {
 		/// Method to get the price of an asset like USDT or PLMC. Likely to come from an oracle
 		type PriceProvider: ProvideAssetPrice<AssetId = AssetIdOf<Self>, Price = Self::Price>;
 
-		/// The length (expressed in number of blocks) of the Remainder Round.
-		#[pallet::constant]
-		type RemainderRoundDuration: Get<BlockNumberFor<Self>>;
-
-		/// max_capacity config required for the channel from polimec to the project
-		#[pallet::constant]
-		type RequiredMaxCapacity: Get<u32>;
-
-		/// max_message_size config required for the channel from polimec to the project
-		#[pallet::constant]
-		type RequiredMaxMessageSize: Get<u32>;
-
-		/// The runtime enum constructed by the construct_runtime macro
-		type RuntimeCall: Parameter + IsType<<Self as pallet_xcm::Config>::RuntimeCall> + From<Call<Self>>;
-
 		/// The event enum constructed by the construct_runtime macro
 		type RuntimeEvent: From<Event<Self>>
 			+ TryInto<Event<Self>>
@@ -655,6 +626,8 @@ pub mod pallet {
 		SettlementNotComplete,
 		/// Tried to mark a project's CT migration as finished but there are still migrations to be confirmed
 		MigrationsStillPending,
+		/// Tried to confirm an already confirmed user CT migration
+		MigrationAlreadyConfirmed,
 	}
 
 	#[pallet::call]
@@ -955,4 +928,4 @@ pub mod pallet {
 			weight_consumed
 		}
 	}
-}
+}

pallets/funding/src/lib.rs

@@ -405,7 +405,6 @@ impl Config for TestRuntime {
 	type AuctionRoundDuration = AuctionRoundDuration;
 	type BlockNumber = BlockNumber;
 	type BlockchainOperationTreasury = BlockchainOperationTreasuryAccount;
-	type CommunityRoundDuration = CommunityRoundDuration;
 	type ContributionTokenCurrency = ContributionTokens;
 	type ContributionTreasury = ContributionTreasury;
 	type DaysToBlocks = DaysToBlocks;
@@ -416,19 +415,13 @@ impl Config for TestRuntime {
 	type FundingCurrency = ForeignAssets;
 	type FundingSuccessThreshold = FundingSuccessThreshold;
 	type InvestorOrigin = EnsureInvestor<TestRuntime>;
-	type MaxCapacityThresholds = MaxCapacityThresholds;
-	type MaxMessageSizeThresholds = MaxMessageSizeThresholds;
 	type MinUsdPerEvaluation = MinUsdPerEvaluation;
 	type Multiplier = Multiplier;
 	type NativeCurrency = Balances;
 	type OnSlash = ();
 	type PalletId = FundingPalletId;
 	type Price = FixedU128;
 	type PriceProvider = ConstPriceProvider;
-	type RemainderRoundDuration = RemainderRoundDuration;
-	type RequiredMaxCapacity = RequiredMaxCapacity;
-	type RequiredMaxMessageSize = RequiredMaxMessageSize;
-	type RuntimeCall = RuntimeCall;
 	type RuntimeEvent = RuntimeEvent;
 	type RuntimeHoldReason = RuntimeHoldReason;
 	type RuntimeOrigin = RuntimeOrigin;