Jg/13643 contracts migrate to fungible traits (#14020)

* 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

* fix benchmark test

* improved rustdocs

* improved rustdocs

* remove log

* ignore variable

* reduce caller funding

* move v13 out

* 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

* 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

* 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

* remove type Balance

* add extra fields to events

* fix zepter ci

---------

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>

substrate/frame/contracts/src/storage/meter.rs

@@ -26,8 +26,9 @@ use frame_support::{
 	dispatch::{fmt::Debug, DispatchError},
 	ensure,
 	traits::{
-		tokens::{Fortitude::Polite, Preservation::Protect, WithdrawConsequence},
-		Currency, ExistenceRequirement, Get,
+		fungible::Mutate,
+		tokens::{Fortitude::Polite, Preservation, WithdrawConsequence},
+		Get,
 	},
 	DefaultNoBound, RuntimeDebugNoBound,
 };
@@ -37,7 +38,7 @@ use sp_runtime::{
 };
 use sp_std::{marker::PhantomData, vec::Vec};
 
-/// Deposit that uses the native currency's balance type.
+/// Deposit that uses the native fungible's balance type.
 pub type DepositOf<T> = Deposit<BalanceOf<T>>;
 
 /// A production root storage meter that actually charges from its origin.
@@ -89,7 +90,7 @@ pub trait Ext<T: Config> {
 
 /// This [`Ext`] is used for actual on-chain execution when balance needs to be charged.
 ///
-/// It uses [`frame_support::traits::ReservableCurrency`] in order to do accomplish the reserves.
+/// It uses [`frame_support::traits::fungible::Mutate`] in order to do accomplish the reserves.
 pub enum ReservingExt {}
 
 /// Used to implement a type state pattern for the meter.
@@ -453,7 +454,7 @@ where
 		System::<T>::inc_consumers(contract_info.deposit_account())?;
 
 		// We also need to make sure that the contract's account itself exists.
-		T::Currency::transfer(origin, contract, ed, ExistenceRequirement::KeepAlive)?;
+		T::Currency::transfer(origin, contract, ed, Preservation::Preserve)?;
 		System::<T>::inc_consumers(contract)?;
 
 		Ok(deposit)
@@ -517,7 +518,7 @@ impl<T: Config> Ext<T> for ReservingExt {
 		// We are sending the `min_leftover` and the `min_balance` from the origin
 		// account as part of a contract call. Hence origin needs to have those left over
 		// as free balance after accounting for all deposits.
-		let max = T::Currency::reducible_balance(origin, Protect, Polite)
+		let max = T::Currency::reducible_balance(origin, Preservation::Preserve, Polite)
 			.saturating_sub(min_leftover)
 			.saturating_sub(Pallet::<T>::min_balance());
 		let default = max.min(T::DefaultDepositLimit::get());
@@ -537,12 +538,11 @@ impl<T: Config> Ext<T> for ReservingExt {
 		terminated: bool,
 	) -> Result<(), DispatchError> {
 		match amount {
-			Deposit::Charge(amount) => T::Currency::transfer(
-				origin,
-				deposit_account,
-				*amount,
-				ExistenceRequirement::KeepAlive,
-			),
+			Deposit::Charge(amount) | Deposit::Refund(amount) if amount.is_zero() => return Ok(()),
+			Deposit::Charge(amount) => {
+				T::Currency::transfer(origin, deposit_account, *amount, Preservation::Preserve)?;
+				Ok(())
+			},
 			Deposit::Refund(amount) => {
 				if terminated {
 					System::<T>::dec_consumers(&deposit_account);
@@ -551,9 +551,11 @@ impl<T: Config> Ext<T> for ReservingExt {
 					deposit_account,
 					origin,
 					*amount,
-					// We can safely use `AllowDeath` because our own consumer prevents an removal.
-					ExistenceRequirement::AllowDeath,
-				)
+					// We can safely make it `Expendable` because our own consumer prevents a
+					// removal.
+					Preservation::Expendable,
+				)?;
+				Ok(())
 			},
 		}
 	}