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/storage.rs

@@ -22,15 +22,15 @@ pub mod meter;
 use crate::{
 	exec::{AccountIdOf, Key},
 	weights::WeightInfo,
-	AddressGenerator, BalanceOf, CodeHash, CodeInfo, Config, ContractInfoOf, DeletionQueue,
-	DeletionQueueCounter, Error, Pallet, TrieId, SENTINEL,
+	BalanceOf, CodeHash, CodeInfo, Config, ContractInfoOf, DeletionQueue, DeletionQueueCounter,
+	Error, Pallet, TrieId, SENTINEL,
 };
 use codec::{Decode, Encode, MaxEncodedLen};
 use frame_support::{
 	dispatch::DispatchError,
 	storage::child::{self, ChildInfo},
 	weights::Weight,
-	CloneNoBound, DefaultNoBound, RuntimeDebugNoBound,
+	CloneNoBound, DefaultNoBound,
 };
 use scale_info::TypeInfo;
 use sp_core::Get;
@@ -39,7 +39,7 @@ use sp_runtime::{
 	traits::{Hash, Saturating, Zero},
 	BoundedBTreeMap, DispatchResult, RuntimeDebug,
 };
-use sp_std::{marker::PhantomData, ops::Deref, prelude::*};
+use sp_std::{marker::PhantomData, prelude::*};
 
 use self::meter::Diff;
 
@@ -50,10 +50,6 @@ use self::meter::Diff;
 pub struct ContractInfo<T: Config> {
 	/// Unique ID for the subtree encoded as a bytes vector.
 	pub trie_id: TrieId,
-	/// The account that holds this contracts storage deposit.
-	///
-	/// This is held in a separate account to prevent the contract from spending it.
-	deposit_account: DepositAccount<T>,
 	/// The code associated with a given account.
 	pub code_hash: CodeHash<T>,
 	/// How many bytes of storage are accumulated in this contract's child trie.
@@ -99,11 +95,8 @@ impl<T: Config> ContractInfo<T> {
 				.expect("Runtime uses a reasonable hash size. Hence sizeof(T::Hash) <= 128; qed")
 		};
 
-		let deposit_account = DepositAccount(T::AddressGenerator::deposit_address(account));
-
 		let contract = Self {
 			trie_id,
-			deposit_account,
 			code_hash,
 			storage_bytes: 0,
 			storage_items: 0,
@@ -133,11 +126,6 @@ impl<T: Config> ContractInfo<T> {
 			.saturating_sub(Pallet::<T>::min_balance())
 	}
 
-	/// Returns the account that storage deposits should be deposited into.
-	pub fn deposit_account(&self) -> &DepositAccount<T> {
-		&self.deposit_account
-	}
-
 	/// Returns the storage base deposit of the contract.
 	pub fn storage_base_deposit(&self) -> BalanceOf<T> {
 		self.storage_base_deposit
@@ -233,9 +221,9 @@ impl<T: Config> ContractInfo<T> {
 		let upload_deposit = T::CodeHashLockupDepositPercent::get().mul_ceil(code_info.deposit());
 
 		// Instantiate needs to transfer at least the minimum balance in order to pull the
-		// deposit account into existence.
-		// We also add another `ed` here which goes to the contract's own account into existence.
-		let deposit = info_deposit.saturating_add(upload_deposit).max(ed).saturating_add(ed);
+		// contract's own account into existence, as the deposit itself does not contribute to the
+		// `ed`.
+		let deposit = info_deposit.saturating_add(upload_deposit).saturating_add(ed);
 
 		self.storage_base_deposit = deposit;
 		deposit
@@ -391,18 +379,6 @@ impl WriteOutcome {
 	}
 }
 
-#[derive(Encode, Decode, Clone, PartialEq, Eq, RuntimeDebugNoBound, TypeInfo, MaxEncodedLen)]
-#[scale_info(skip_type_params(T))]
-pub struct DepositAccount<T: Config>(AccountIdOf<T>);
-
-impl<T: Config> Deref for DepositAccount<T> {
-	type Target = AccountIdOf<T>;
-
-	fn deref(&self) -> &Self::Target {
-		&self.0
-	}
-}
-
 /// Manage the removal of contracts storage that are marked for deletion.
 ///
 /// When a contract is deleted by calling `seal_terminate` it becomes inaccessible