chore: apply workspace #1609 to pool-fees dummy

Cargo.toml

@@ -86,7 +86,7 @@ smallvec = "1.6.1"
 serde = { version = "1.0.119", features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "3.0", default-features = false, features = ["derive"] }
 scale-info = { version = "2.3.0", default-features = false, features = ["derive"] }
-log = "0.4"
+log = { version = "0.4", default-features =  false }
 getrandom = { version = "0.2", features = ["js"] }
 static_assertions = "1.1.0"
 lazy_static = "1.4.0"
@@ -246,6 +246,7 @@ pallet-nft = { path = "pallets/nft", default-features = false }
 pallet-nft-sales = { path = "pallets/nft-sales", default-features = false }
 pallet-order-book = { path = "pallets/order-book", default-features = false }
 pallet-permissions = { path = "pallets/permissions", default-features = false }
+pallet-pool-fees = { path = "pallets/pool-fees", default-features = false }
 pallet-pool-registry = { path = "pallets/pool-registry", default-features = false }
 pallet-pool-system = { path = "pallets/pool-system", default-features = false }
 pallet-restricted-tokens = { path = "pallets/restricted-tokens", default-features = false }

pallets/pool-fees/Cargo.toml

@@ -1,36 +1,37 @@
 [package]
-authors = ["Centrifuge <[email protected]>"]
-description = "Pool Fees Pallet"
-edition = "2021"
-license = "LGPL-3.0"
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+homepage.workspace = true
+documentation.workspace = true
 name = "pallet-pool-fees"
-repository = "https://github.com/centrifuge/centrifuge-chain"
-version = "0.1.0"
+description = "Pool Fees Pallet"
+version = "0.0.1"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
 
-[dependencies]
-codec = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"], default-features = false }
-log = { version = "0.4.0", default-features = false }
-scale-info = { version = "2.3.0", default-features = false, features = ["derive"] }
+[dev-dependencies]
 
-frame-benchmarking = { git = "https://github.com/paritytech/substrate", default-features = false, optional = true, branch = "polkadot-v0.9.43" }
-frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-pallet-timestamp = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-sp-arithmetic = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-sp-core = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
-sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-v0.9.43" }
+[dependencies]
+codec = { package = "parity-scale-codec", workspace = true, features = ["derive"] }
+log = { workspace = true }
+scale-info = { workspace = true, features = ["derive"] }
 
-cfg-primitives = { path = "../../libs/primitives", default-features = false }
-cfg-traits = { path = "../../libs/traits", default-features = false }
-cfg-types = { path = "../../libs/types", default-features = false }
+frame-benchmarking.workspace = true
+frame-support.workspace = true
+frame-system.workspace = true
+pallet-timestamp.workspace = true
+sp-arithmetic.workspace = true
+sp-core.workspace = true
+sp-io.workspace = true
+sp-runtime.workspace = true
+sp-std.workspace = true
 
-[dev-dependencies]
-bitflags = "1.3"
+cfg-primitives.workspace = true
+cfg-traits.workspace = true
+cfg-types.workspace = true
 
 [features]
 default = ["std"]

pallets/pool-fees/src/lib.rs

@@ -12,6 +12,8 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
+mod types;
+
 pub use pallet::*;
 
 #[frame_support::pallet]
@@ -27,7 +29,9 @@ pub mod pallet {
 	#[pallet::config]
 	pub trait Config: frame_system::Config {
 		type RuntimeEvent: From<Event<Self>> + IsType<<Self as frame_system::Config>::RuntimeEvent>;
-		type WeightInfo: WeightInfo;
+
+		// TODO: Enable after creating benchmarks
+		// type WeightInfo: WeightInfo;
 	}
 
 	#[pallet::storage]
@@ -44,9 +48,11 @@ pub mod pallet {
 	#[pallet::call]
 	impl<T: Config> Pallet<T> {
 		#[pallet::call_index(0)]
-		#[pallet::weight(10_000)]
+		#[pallet::weight(Weight::from_parts(10_000, 0))]
 		pub fn some_extrinsic(origin: OriginFor<T>) -> DispatchResult {
 			let who = ensure_signed(origin)?;
+
+			Ok(())
 		}
 	}
 }

pallets/pool-fees/src/types.rs

@@ -0,0 +1,72 @@
+// Copyright 2023 Centrifuge Foundation (centrifuge.io).
+
+// Centrifuge 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 (see http://www.gnu.org/licenses).
+
+// Centrifuge 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.
+
+use cfg_primitives::{AccountId, LoanId};
+use codec::{Decode, Encode, MaxEncodedLen};
+use frame_support::dispatch::TypeInfo;
+
+#[derive(Debug, Encode, Decode, TypeInfo, MaxEncodedLen)]
+enum FeeRate<Rate> {
+	ShareOfPortfolioValuation(Rate),
+	// Future options: AmountPerYear, AmountPerMonth, ...
+}
+
+#[derive(Debug, Encode, Decode, TypeInfo, MaxEncodedLen)]
+
+enum FeeAmount<Rate> {
+	/// A fixed fee is deducted automatically every epoch
+	Fixed { amount: FeeRate<Rate> },
+
+	/// A fee can be charged up to a limit, paid every epoch
+	ChargedUpTo { limit: FeeRate<Rate> },
+}
+
+#[derive(Debug, Encode, Decode, TypeInfo, MaxEncodedLen)]
+
+enum FeeEditor<AccountId> {
+	Root,
+	Account(AccountId),
+}
+
+#[derive(Debug, Encode, Decode, TypeInfo, MaxEncodedLen)]
+
+enum FeeBucket {
+	/// Fees that are charged first, before any redemptions, investments,
+	/// repayments or originations
+	Top,
+	// Future: AfterTranche(TrancheId)
+}
+
+#[derive(Debug, Encode, Decode, TypeInfo, MaxEncodedLen)]
+
+struct Fee<AccountId, Rate> {
+	/// Account that the fees are sent to
+	pub destination: AccountId,
+
+	/// Account that can update this fee
+	pub editor: FeeEditor<AccountId>,
+
+	/// Amount of fees that can be charged
+	pub amount: FeeAmount<Rate>,
+}
+
+// NOTE: Remark feature will be a separate feature in the future (post Pool Fees
+// MVP). The following enum is necessary to deliver the MVP.
+#[derive(Debug, Encode, Decode, TypeInfo, MaxEncodedLen)]
+
+enum Remark<Hash, LoanId, Meta> {
+	Loan { id: LoanId, meta: Meta },
+	IpfsHash(Hash),
+	Metadata(Meta),
+}
+
+type IpfsHash = [u8; 46];