add pallet macro kitchensink example/template (paritytech#14052)

* add pallet macro kitchen-sink pallet

* update

* Adds benchmarking setup

* Updates APIs

* Fixes benchmark

* Uses derive_impl for frame_system

* Adds benchmarks

* Minor update

* Adds license

* Adds examples crate

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

* Update frame/examples/kitchensink/src/tests.rs

Co-authored-by: Kian Paimani <[email protected]>

* Update frame/examples/kitchensink/src/lib.rs

Co-authored-by: Kian Paimani <[email protected]>

* Update frame/examples/kitchensink/src/lib.rs

Co-authored-by: Kian Paimani <[email protected]>

* Addresses review comments

* Addresses review comments

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

---------

Co-authored-by: Nikhil Gupta <[email protected]>
Co-authored-by: command-bot <>
Co-authored-by: command-bot <[email protected]>

Author: 3 people

Cargo.lock

@@ -106,8 +106,10 @@ members = [
 	"frame/election-provider-support/benchmarking",
 	"frame/election-provider-support/solution-type",
 	"frame/election-provider-support/solution-type/fuzzer",
+	"frame/examples",
 	"frame/examples/basic",
 	"frame/examples/offchain-worker",
+	"frame/examples/kitchensink",
 	"frame/examples/dev-mode",
 	"frame/examples/default-config",
 	"frame/executive",

Cargo.toml

@@ -0,0 +1,36 @@
+[package]
+name = "pallet-examples"
+version = "4.0.0-dev"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+license = "Apache-2.0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+description = "The single package with various examples for frame pallets"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+pallet-example-basic = { default-features = false, path = "./basic" }
+pallet-default-config-example = { default-features = false, path = "./default-config" }
+pallet-example-offchain-worker = { default-features = false, path = "./offchain-worker" }
+pallet-example-kitchensink = { default-features = false, path = "./kitchensink" }
+pallet-dev-mode = { default-features = false, path = "./dev-mode" }
+
+[features]
+default = [ "std" ]
+std = [
+    "pallet-example-basic/std",
+    "pallet-default-config-example/std",
+    "pallet-example-offchain-worker/std",
+    "pallet-example-kitchensink/std",
+    "pallet-dev-mode/std",
+]
+try-runtime = [
+    "pallet-example-basic/try-runtime",
+    "pallet-default-config-example/try-runtime",
+    "pallet-example-offchain-worker/try-runtime",
+    "pallet-example-kitchensink/try-runtime",
+    "pallet-dev-mode/try-runtime",
+]

frame/examples/Cargo.toml

@@ -0,0 +1,53 @@
+[package]
+name = "pallet-example-kitchensink"
+version = "4.0.0-dev"
+authors = ["Parity Technologies <[email protected]>"]
+edition = "2021"
+license = "MIT-0"
+homepage = "https://substrate.io"
+repository = "https://github.com/paritytech/substrate/"
+description = "FRAME example kitchensink pallet"
+readme = "README.md"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.2.2", default-features = false }
+log = { version = "0.4.17", default-features = false }
+scale-info = { version = "2.5.0", default-features = false, features = ["derive"] }
+
+frame-support = { version = "4.0.0-dev", default-features = false, path = "../../support" }
+frame-system = { version = "4.0.0-dev", default-features = false, path = "../../system" }
+
+sp-io = { version = "23.0.0", default-features = false, path = "../../../primitives/io" }
+sp-runtime = { version = "24.0.0", default-features = false, path = "../../../primitives/runtime" }
+sp-std = { version = "8.0.0", default-features = false, path = "../../../primitives/std" }
+
+frame-benchmarking = { version = "4.0.0-dev", default-features = false, optional = true, path = "../../benchmarking" }
+
+pallet-balances = { version = "4.0.0-dev", default-features = false, path = "../../balances" }
+
+[dev-dependencies]
+sp-core = { version = "21.0.0", default-features = false, path = "../../../primitives/core" }
+
+[features]
+default = ["std"]
+std = [
+	"codec/std",
+	"log/std",
+	"scale-info/std",
+
+	"frame-support/std",
+	"frame-system/std",
+
+	"sp-io/std",
+	"sp-runtime/std",
+	"sp-std/std",
+
+	"frame-benchmarking?/std",
+
+	"pallet-balances/std",
+]
+runtime-benchmarks = ["frame-benchmarking/runtime-benchmarks"]
+try-runtime = ["frame-support/try-runtime"]

frame/examples/kitchensink/Cargo.toml

@@ -0,0 +1,66 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Benchmarking for `pallet-example-kitchensink`.
+
+// Only enable this module for benchmarking.
+#![cfg(feature = "runtime-benchmarks")]
+use super::*;
+
+#[allow(unused)]
+use crate::Pallet as Kitchensink;
+
+use frame_benchmarking::v2::*;
+use frame_system::RawOrigin;
+
+// To actually run this benchmark on pallet-example-kitchensink, we need to put this pallet into the
+//   runtime and compile it with `runtime-benchmarks` feature. The detail procedures are
+//   documented at:
+//   https://docs.substrate.io/reference/how-to-guides/weights/add-benchmarks/
+//
+// The auto-generated weight estimate of this pallet is copied over to the `weights.rs` file.
+// The exact command of how the estimate generated is printed at the top of the file.
+
+// Details on using the benchmarks macro can be seen at:
+//   https://paritytech.github.io/substrate/master/frame_benchmarking/trait.Benchmarking.html#tymethod.benchmarks
+#[benchmarks]
+mod benchmarks {
+	use super::*;
+
+	// This will measure the execution time of `set_foo`.
+	#[benchmark]
+	fn set_foo_benchmark() {
+		// This is the benchmark setup phase.
+		// `set_foo` is a constant time function, hence we hard-code some random value here.
+		let value = 1000u32.into();
+		#[extrinsic_call]
+		set_foo(RawOrigin::Root, value, 10u128); // The execution phase is just running `set_foo` extrinsic call
+
+		// This is the optional benchmark verification phase, asserting certain states.
+		assert_eq!(Pallet::<T>::foo(), Some(value))
+	}
+
+	// This line generates test cases for benchmarking, and could be run by:
+	//   `cargo test -p pallet-example-kitchensink --all-features`, you will see one line per case:
+	//   `test benchmarking::bench_sort_vector ... ok`
+	//   `test benchmarking::bench_accumulate_dummy ... ok`
+	//   `test benchmarking::bench_set_dummy_benchmark ... ok` in the result.
+	//
+	// The line generates three steps per benchmark, with repeat=1 and the three steps are
+	//   [low, mid, high] of the range.
+	impl_benchmark_test_suite!(Kitchensink, crate::tests::new_test_ext(), crate::tests::Test);
+}