Staking and nomination pools runtime API improvements (#13119)

* Adds StakingAPI_nominations_quota and NominationPoolsApi_balanceToPoint and NominationPoolsApi_pointsToBalance runtime APIs

* Adds balance param to api_nominations_quota

* Update frame/nomination-pools/src/lib.rs

Co-authored-by: Anton <anton.kalyaev@gmail.com>

* Update frame/nomination-pools/src/lib.rs

Co-authored-by: Anton <anton.kalyaev@gmail.com>

* Addresses comments - returns zero instead of error in runtime api

* Update frame/staking/runtime-api/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/staking/runtime-api/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Addresses PR comments

* Update frame/nomination-pools/runtime-api/Cargo.toml

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Fixes points_to_balance logic; adds tests

* test comment fix

* Update frame/nomination-pools/runtime-api/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update frame/nomination-pools/runtime-api/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Fix block pruning (#13323)

* Referendum proposal's metadata (#12568)

* referenda metadata

* todo comment

* remove TODO, update rustdocs

* referenda clear_metadata origin signed or root

* referenda metadata unit tests

* drop schema type for referenda metadata

* remove metadata type

* referenda metadata benches

* note different preimages

* metadata for democracy pallet

* metadata democracy pallet tests and benches

* fix cargo clippy

* update docs

* ".git/.scripts/bench-bot.sh" pallet dev pallet_democracy

* ".git/.scripts/bench-bot.sh" pallet dev pallet_referenda

* Update the doc frame/democracy/src/lib.rs

Co-authored-by: Roman Useinov <roman.useinov@gmail.com>

* Update the doc frame/democracy/src/lib.rs

Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com>

* reference instead clone for take

Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com>

* error rename BadMetadata to PreimageNotExist

* clear metadata within internal_cancel_referendum fn

* remove redundant clone

* collapse metadata api into one set_metadata method

* fmt

* review fixes

* not request preimage on set_metadata

* rename events and update docs

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_democracy

* ".git/.scripts/commands/bench/bench.sh" pallet dev pallet_referenda

* rename reset_metadata to transfer_metadata

---------

Co-authored-by: command-bot <>
Co-authored-by: Roman Useinov <roman.useinov@gmail.com>
Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com>

* Improve test coverage of the `Notifications` protocol (#13033)

* Add handler and upgrade tests

* Add tests for `behaviour.rs`

* Apply review comments

* Update dependencies

* Apply suggestions from code review

Co-authored-by: Dmitry Markin <dmitry@markin.tech>

* Apply review comments

* Fix clippy

* Update mockall

* Apply review comment

---------

Co-authored-by: Dmitry Markin <dmitry@markin.tech>

* refactors runtime API logic to own pallet impl block

* removes unrelated changes

* Fixes cargo doc comments lint

* fixes node cargo

* fixes comment

* restart ci

* restart ci

* restart ci

---------

Co-authored-by: Anton <anton.kalyaev@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: parity-processbot <>
Co-authored-by: Arkadiy Paronyan <arkady.paronyan@gmail.com>
Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com>
Co-authored-by: Roman Useinov <roman.useinov@gmail.com>
Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com>
Co-authored-by: Aaro Altonen <48052676+altonen@users.noreply.github.com>
Co-authored-by: Dmitry Markin <dmitry@markin.tech>

substrate/frame/nomination-pools/runtime-api/src/lib.rs

@@ -21,13 +21,22 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use codec::Codec;
+use pallet_nomination_pools::PoolId;
 
 sp_api::decl_runtime_apis! {
 	/// Runtime api for accessing information about nomination pools.
 	pub trait NominationPoolsApi<AccountId, Balance>
-		where AccountId: Codec, Balance: Codec
+		where
+			AccountId: Codec,
+			Balance: Codec,
 	{
 		/// Returns the pending rewards for the member that the AccountId was given for.
-		fn pending_rewards(member: AccountId) -> Balance;
+		fn pending_rewards(who: AccountId) -> Balance;
+
+		/// Returns the equivalent balance of `points` for a given pool.
+		fn points_to_balance(pool_id: PoolId, points: Balance) -> Balance;
+
+		/// Returns the equivalent points of `new_funds` for a given pool.
+		fn balance_to_points(pool_id: PoolId, new_funds: Balance) -> Balance;
 	}
 }