migrate pallet-elections-phragmen to attribute macros

bin/node/runtime/Cargo.toml

@@ -58,7 +58,7 @@ pallet-contracts-primitives = { version = "3.0.0", default-features = false, pat
 pallet-contracts-rpc-runtime-api = { version = "3.0.0", default-features = false, path = "../../../frame/contracts/rpc/runtime-api/" }
 pallet-democracy = { version = "3.0.0", default-features = false, path = "../../../frame/democracy" }
 pallet-election-provider-multi-phase = { version = "3.0.0", default-features = false, path = "../../../frame/election-provider-multi-phase" }
-pallet-elections-phragmen = { version = "3.0.0", default-features = false, path = "../../../frame/elections-phragmen" }
+pallet-elections-phragmen = { version = "4.0.0", default-features = false, path = "../../../frame/elections-phragmen" }
 pallet-gilt = { version = "3.0.0", default-features = false, path = "../../../frame/gilt" }
 pallet-grandpa = { version = "3.0.0", default-features = false, path = "../../../frame/grandpa" }
 pallet-im-online = { version = "3.0.0", default-features = false, path = "../../../frame/im-online" }

frame/elections-phragmen/CHANGELOG.md

@@ -4,7 +4,17 @@ All notable changes to this crate will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this crate adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [3.0.0] - UNRELEASED
+## [4.0.0] - UNRELEASED
+
+### Added
+
+### Changed
+[migrate pallet-elections-phragmen to attribute macros](https://github.com/paritytech/substrate/pull/8044)
+### Fixed
+
+### Security
+
+## [3.0.0]
 
 ### Added
 [Add slashing events to elections-phragmen](https://github.com/paritytech/substrate/pull/7543)

frame/elections-phragmen/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pallet-elections-phragmen"
-version = "3.0.0"
+version = "4.0.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 license = "Apache-2.0"
@@ -17,14 +17,15 @@ codec = { package = "parity-scale-codec", version = "2.0.0", default-features =
 serde = { version = "1.0.101", optional = true }
 sp-runtime = { version = "3.0.0", default-features = false, path = "../../primitives/runtime" }
 sp-npos-elections = { version = "3.0.0", default-features = false, path = "../../primitives/npos-elections" }
+sp-io = { version = "3.0.0", default-features = false, path = "../../primitives/io" }
 frame-support = { version = "3.0.0", default-features = false, path = "../support" }
 frame-system = { version = "3.0.0", default-features = false, path = "../system" }
 sp-std = { version = "3.0.0", default-features = false, path = "../../primitives/std" }
+sp-core = { version = "3.0.0", default-features = false, path = "../../primitives/core" }
 frame-benchmarking = { version = "3.1.0", default-features = false, path = "../benchmarking", optional = true }
 log = { version = "0.4.14", default-features = false }
 
 [dev-dependencies]
-sp-io = { version = "3.0.0", path = "../../primitives/io" }
 hex-literal = "0.3.1"
 pallet-balances = { version = "3.0.0", path = "../balances" }
 sp-core = { version = "3.0.0", path = "../../primitives/core" }
@@ -40,6 +41,8 @@ std = [
 	"sp-npos-elections/std",
 	"frame-system/std",
 	"sp-std/std",
+	"sp-io/std",
+	"sp-core/std",
 	"log/std",
 ]
 runtime-benchmarks = [

frame/elections-phragmen/src/benchmarking.rs

@@ -23,9 +23,9 @@ use super::*;
 
 use frame_system::RawOrigin;
 use frame_benchmarking::{benchmarks, account, impl_benchmark_test_suite};
-use frame_support::traits::OnInitialize;
+use frame_support::{dispatch::DispatchResultWithPostInfo, traits::OnInitialize};
 
-use crate::Module as Elections;
+use crate::Pallet as Elections;
 
 const BALANCE_FACTOR: u32 = 250;
 const MAX_VOTERS: u32 = 500;
@@ -95,11 +95,12 @@ fn submit_candidates_with_self_vote<T: Config>(c: u32, prefix: &'static str)
 	Ok(candidates)
 }
 
-
 /// Submit one voter.
-fn submit_voter<T: Config>(caller: T::AccountId, votes: Vec<T::AccountId>, stake: BalanceOf<T>)
-	-> frame_support::dispatch::DispatchResult
-{
+fn submit_voter<T: Config>(
+	caller: T::AccountId,
+	votes: Vec<T::AccountId>,
+	stake: BalanceOf<T>,
+) -> DispatchResultWithPostInfo {
 	<Elections<T>>::vote(RawOrigin::Signed(caller).into(), votes, stake)
 }