Contracts remove deposit accounts (#14589)

* contracts: refactor currency to use fungible traits

* contracts: refactor currency to use fungible traits

* contracts: add minor improvements

* contracts: max holds config set

* contracts: fix some typos

* contracts: map token errors

* fix typo

* contracts: add 0 balance transfer to test

* contracts: not transfer if value is zero

* contracts: [WIP] add StorageDepositHold

* contracts: add storage deposit held event

* contracts: clean up some code and comments

* contracts: add deposit storage released event

* contracts: update comment

* contracts: update slash cannot kill account test

* contracts: fix tests

* contracts: add some comments to the slashing test

* contracts: add some comments to the slashing test

* contracts: remove references to Currency

* contracts: do not transfer if from equals to

* bound BalanceOf<T>

* added FixedPointOperand to Balance trait

* move migrate sequence to config

* remove commented out code

* Update frame/contracts/src/lib.rs

Co-authored-by: PG Herveou <pgherveou@gmail.com>

* remove Migrations generic

* make runtime use noop migrations

* restrict is_upgrade_supported

* undo is_upgrade_supported change

* Update bin/node/runtime/src/lib.rs

Co-authored-by: PG Herveou <pgherveou@gmail.com>

* add rust doc example for `Migrations`

* feature gate NoopMigration

* fix example code

* improve example

* wip

* remove FixedPointOperand from trait

* trait bound BalanceOf

* more trait bound BalanceOf

* update to use RuntimeHoldReason

* replace Fungible for Currency

* update runtime

* WIP

* make v10 benchmark generic over currency

* solve merge conflicts

* make v12 migration benchmarking generic over DepositPerItem and DepositPerByte

* give some format

* fix tests and old migrations

* add migration v13 placholder

* wip

* wip

* add benchmarking

* add weights

* wip

* [pallet_collective] Enforce prime is a valid member of collective in set_members extrinsic (#14354)

* Updated set_members extrinsic to enforce prime is valid member of collective

* Added additional tests for set_members extrinsic

* applied the code review suggestions

* update to docify 0.2.0 / crate-relative embed paths (#14570)

* Fix Society v2 migration (#14421)

* fix society v2 migration

* Update frame/society/src/migrations.rs

* Update frame/society/src/migrations.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update frame/society/src/migrations.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* update for versioned upgrade

* fix society v2 migration

* remove references to members being sorted from commnets

* fix type

* fix can_migrate check

* add sanity log

* fix sanity check

* kick ci

* kick ci

* run tests with --experimental flag

* versioned migration cleanup

* revert pipeline change

* use defensive!

* semicolons

* defensive and doc comment

* address pr comment

* feature gate the versioned migration

* defensive_unwrap_or

* fix test

* fix doc comment

* change defensive to a log warning

* remove can_migrate anti-pattern

* Update frame/society/Cargo.toml

Co-authored-by: Bastian Köcher <git@kchr.de>

* add experimental feature warning to doc comment

* update doc comment

* bump ci

* kick ci

* kick ci

* kick ci

---------

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Bastian Köcher <git@kchr.de>

* Moves `Block` to `frame_system` instead of `construct_runtime` and removes `Header` and `BlockNumber` (#14437)

* Initial setup

* Adds node block

* Uses UncheckedExtrinsic and removes Where section

* Updates frame_system to use Block

* Adds deprecation warning

* Fixes pallet-timestamp

* Removes Header and BlockNumber

* Addresses review comments

* Addresses review comments

* Adds comment about compiler bug

* Removes where clause

* Refactors code

* Fixes errors in cargo check

* Fixes errors in cargo check

* Fixes warnings in cargo check

* Formatting

* Fixes construct_runtime tests

* Uses import instead of full path for BlockNumber

* Uses import instead of full path for Header

* Formatting

* Fixes construct_runtime tests

* Fixes imports in benchmarks

* Formatting

* Fixes construct_runtime tests

* Formatting

* Minor updates

* Fixes construct_runtime ui tests

* Fixes construct_runtime ui tests with 1.70

* Fixes docs

* Fixes docs

* Adds u128 mock block type

* Fixes split example

* fixes for cumulus

* ".git/.scripts/commands/fmt/fmt.sh"

* Updates new tests

* Fixes fully-qualified path in few places

* Formatting

* Update frame/examples/default-config/src/lib.rs

Co-authored-by: Juan <juangirini@gmail.com>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Juan <juangirini@gmail.com>

* ".git/.scripts/commands/fmt/fmt.sh"

* Addresses some review comments

* Fixes build

* ".git/.scripts/commands/fmt/fmt.sh"

* Update frame/democracy/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/democracy/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Addresses review comments

* Updates trait bounds

* Minor fix

* ".git/.scripts/commands/fmt/fmt.sh"

* Removes unnecessary bound

* ".git/.scripts/commands/fmt/fmt.sh"

* Updates test

* Fixes build

* Adds a bound for header

* ".git/.scripts/commands/fmt/fmt.sh"

* Removes where block

* Minor fix

* Minor fix

* Fixes tests

* ".git/.scripts/commands/update-ui/update-ui.sh" 1.70

* Updates test

* Update primitives/runtime/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/runtime/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Updates doc

* Updates doc

---------

Co-authored-by: command-bot <>
Co-authored-by: Juan <juangirini@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Bastian Köcher <git@kchr.de>

* Refactor the asset-conversion-tx-payment pallet (#14558)

* Code refactoring

* Fix imports

* Typo

* Update frame/asset-conversion/src/types.rs

Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* Sync docs

---------

Co-authored-by: parity-processbot <>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>

* wip

* wip

* wip

* improve try-runtime imports

* remove deposit account

* wip

* wip

* fix benchmark test

* improved rustdocs

* improved rustdocs

* remove log

* ignore variable

* reduce caller funding

* wip

* fix tests

* fix tests

* move v13 out

* add v14

* update v13 migration

* v13 migration

* benchmark v13_migration

* fix broken compilation

* ".git/.scripts/commands/bench/bench.sh" --subcommand=pallet --runtime=dev --target_dir=substrate --pallet=pallet_contracts

* remove all the `where BalanceOf`

* add Balance to Config

* improve docs

* add new deposit storage error

* remove todo message

* wip

* rename migration v13 pre rebase

* fix tests

* add missing migration;

* bump storage version

* apply review suggestions

* improved comment

* remove unnecessary code

* simplify migrations

* mock balance

* mock more for benchmarks

* make room for rebaes

* make room for rebase

* fix benchmarking tests

* fix benchmarking tests with caller

* improve cargo toml

* solve nit

* Update frame/contracts/src/lib.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Update frame/contracts/src/exec.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Update frame/contracts/src/exec.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Update frame/contracts/src/storage/meter.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* review improvements

* remove extra events

* update cargo

* undo update cargo

* review updates

* wip

* wip

* fix test

* remove type Balance

* add extra fields to events

* fix zepter ci

* fix tests

* remove commented out code

* remove deposit_account from benchmarking

* update v15 migration

* wip

* remove deposit account from codebase

* add contract info to v15

* make try-runtime fixes

* fix wrong v14 logs

* add extra post upgrade steps

* remove old comments

* wip

* fix delegate deposit test

* ".git/.scripts/commands/bench/bench.sh" --subcommand=pallet --runtime=dev --target_dir=substrate --pallet=pallet_contracts

* wip

* wip

* wip

* implement review updates

* ".git/.scripts/commands/bench/bench.sh" --subcommand=pallet --runtime=dev --target_dir=substrate --pallet=pallet_contracts

* fix documentation

* fix consumers/providers

* fix consumers/providers

* do not check consumers in migration

* review comments addressed

* update fully qualified System

* wip

* wip

* Transfer to beneficiary after `transfer_on_hold` (#14767)

* transfer to beneficiary after transfer_on_hold

* wip

* add consumer comment

* review updates

* fix typo

* make clippy happy

* refactor `Terminated`

* rename ContractStatus to ContractState

* rename status to state

* replace Contribution::Alive to ContractState::Alive

* defer storage deposit charge

* ".git/.scripts/commands/fmt/fmt.sh"

* remove unused imports

* Update frame/contracts/src/migration/v15.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* Update frame/contracts/src/storage/meter.rs

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

---------

Co-authored-by: PG Herveou <pgherveou@gmail.com>
Co-authored-by: Toufeeq Pasha <47236805+ToufeeqP@users.noreply.github.com>
Co-authored-by: Sam Johnson <sam@durosoft.com>
Co-authored-by: Liam Aharon <liam.aharon@hotmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: gupnik <17176722+gupnik@users.noreply.github.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Jegor Sidorenko <5252494+jsidorenko@users.noreply.github.com>
Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com>
Co-authored-by: command-bot <>
Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

substrate/frame/contracts/src/exec.rs

@@ -19,10 +19,10 @@
 use crate::unsafe_debug::ExecutionObserver;
 use crate::{
 	gas::GasMeter,
-	storage::{self, meter::Diff, DepositAccount, WriteOutcome},
+	storage::{self, meter::Diff, WriteOutcome},
 	BalanceOf, CodeHash, CodeInfo, CodeInfoOf, Config, ContractInfo, ContractInfoOf,
 	DebugBufferVec, Determinism, Error, Event, Nonce, Origin, Pallet as Contracts, Schedule,
-	System, WasmBlob, LOG_TARGET,
+	WasmBlob, LOG_TARGET,
 };
 use frame_support::{
 	crypto::ecdsa::ECDSAExt,
@@ -33,7 +33,7 @@ use frame_support::{
 	storage::{with_transaction, TransactionOutcome},
 	traits::{
 		fungible::{Inspect, Mutate},
-		tokens::{Fortitude::Polite, Preservation},
+		tokens::Preservation,
 		Contains, OriginTrait, Randomness, Time,
 	},
 	weights::Weight,
@@ -547,7 +547,7 @@ enum CachedContract<T: Config> {
 	///
 	/// In this case a reload is neither allowed nor possible. Please note that recursive
 	/// calls cannot remove a contract as this is checked and denied.
-	Terminated(DepositAccount<T>),
+	Terminated,
 }
 
 impl<T: Config> CachedContract<T> {
@@ -568,15 +568,6 @@ impl<T: Config> CachedContract<T> {
 			None
 		}
 	}
-
-	/// Returns `Some` iff the contract is not `Cached::Invalidated`.
-	fn deposit_account(&self) -> Option<&DepositAccount<T>> {
-		match self {
-			CachedContract::Cached(contract) => Some(contract.deposit_account()),
-			CachedContract::Terminated(deposit_account) => Some(&deposit_account),
-			CachedContract::Invalidated => None,
-		}
-	}
 }
 
 impl<T: Config> Frame<T> {
@@ -655,9 +646,7 @@ impl<T: Config> CachedContract<T> {
 	/// Terminate and return the contract info.
 	fn terminate(&mut self, account_id: &T::AccountId) -> ContractInfo<T> {
 		self.load(account_id);
-		let contract = get_cached_or_panic_after_load!(self);
-		let deposit_account = contract.deposit_account().clone();
-		get_cached_or_panic_after_load!(mem::replace(self, Self::Terminated(deposit_account)))
+		get_cached_or_panic_after_load!(mem::replace(self, Self::Terminated))
 	}
 }
 
@@ -955,7 +944,7 @@ where
 			match (entry_point, delegated_code_hash) {
 				(ExportedFunction::Constructor, _) => {
 					// It is not allowed to terminate a contract inside its constructor.
-					if matches!(frame.contract_info, CachedContract::Terminated(_)) {
+					if matches!(frame.contract_info, CachedContract::Terminated) {
 						return Err(Error::<T>::TerminatedInConstructor.into())
 					}
 
@@ -1059,18 +1048,8 @@ where
 			// in its contract info. The load is necessary to pull it from storage in case
 			// it was invalidated.
 			frame.contract_info.load(account_id);
-			let deposit_account = frame
-				.contract_info
-				.deposit_account()
-				.expect(
-					"Is only `None` when the info is invalidated.
-				We just re-loaded from storage which either makes the state `Cached` or `Terminated`.
-				qed",
-				)
-				.clone();
 			let mut contract = frame.contract_info.into_contract();
-			prev.nested_storage
-				.absorb(frame.nested_storage, deposit_account, contract.as_mut());
+			prev.nested_storage.absorb(frame.nested_storage, account_id, contract.as_mut());
 
 			// In case the contract wasn't terminated we need to persist changes made to it.
 			if let Some(contract) = contract {
@@ -1105,14 +1084,10 @@ where
 			if !persist {
 				return
 			}
-			let deposit_account = self.first_frame.contract_info.deposit_account().expect(
-				"Is only `None` when the info is invalidated. The first frame can't be invalidated.
-				qed",
-			).clone();
 			let mut contract = self.first_frame.contract_info.as_contract();
 			self.storage_meter.absorb(
 				mem::take(&mut self.first_frame.nested_storage),
-				deposit_account,
+				&self.first_frame.account_id,
 				contract.as_deref_mut(),
 			);
 			if let Some(contract) = contract {
@@ -1311,14 +1286,8 @@ where
 		}
 		let frame = self.top_frame_mut();
 		let info = frame.terminate();
-		frame.nested_storage.terminate(&info);
-		System::<T>::dec_consumers(&frame.account_id);
-		Self::transfer(
-			Preservation::Expendable,
-			&frame.account_id,
-			beneficiary,
-			T::Currency::reducible_balance(&frame.account_id, Preservation::Expendable, Polite),
-		)?;
+		frame.nested_storage.terminate(&info, beneficiary.clone());
+
 		info.queue_trie_for_deletion();
 		ContractInfoOf::<T>::remove(&frame.account_id);
 		E::decrement_refcount(info.code_hash);
@@ -1327,7 +1296,7 @@ where
 			E::decrement_refcount(*code_hash);
 			frame
 				.nested_storage
-				.charge_deposit(info.deposit_account().clone(), StorageDeposit::Refund(*deposit));
+				.charge_deposit(frame.account_id.clone(), StorageDeposit::Refund(*deposit));
 		}
 
 		Contracts::<T>::deposit_event(
@@ -1521,8 +1490,7 @@ where
 		let deposit = StorageDeposit::Charge(new_base_deposit)
 			.saturating_sub(&StorageDeposit::Charge(old_base_deposit));
 
-		let deposit_account = info.deposit_account().clone();
-		frame.nested_storage.charge_deposit(deposit_account, deposit);
+		frame.nested_storage.charge_deposit(frame.account_id.clone(), deposit);
 
 		E::increment_refcount(hash)?;
 		E::decrement_refcount(prev_hash);
@@ -1573,7 +1541,7 @@ where
 		<WasmBlob<T>>::increment_refcount(code_hash)?;
 		frame
 			.nested_storage
-			.charge_deposit(info.deposit_account().clone(), StorageDeposit::Charge(deposit));
+			.charge_deposit(frame.account_id.clone(), StorageDeposit::Charge(deposit));
 		Ok(())
 	}
 
@@ -1589,7 +1557,7 @@ where
 
 		frame
 			.nested_storage
-			.charge_deposit(info.deposit_account().clone(), StorageDeposit::Refund(deposit));
+			.charge_deposit(frame.account_id.clone(), StorageDeposit::Refund(deposit));
 		Ok(())
 	}
 }