Migrate `pallet-insecure-randomness-collective-flip` to umbrella crate (#6738)

Part of https://github.com/paritytech/polkadot-sdk/issues/6504

---------

Co-authored-by: command-bot <>
Co-authored-by: Bastian Köcher <git@kchr.de>

Cargo.lock

@@ -13925,14 +13925,10 @@ dependencies = [
 name = "pallet-insecure-randomness-collective-flip"
 version = "16.0.0"
 dependencies = [
- "frame-support 28.0.0",
- "frame-system 28.0.0",
  "parity-scale-codec",
+ "polkadot-sdk-frame 0.1.0",
  "safe-mix",
  "scale-info",
- "sp-core 28.0.0",
- "sp-io 30.0.0",
- "sp-runtime 31.0.1",
 ]
 [[package]]

substrate/frame/insecure-randomness-collective-flip/Cargo.toml

@@ -17,30 +17,18 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { features = ["derive"], workspace = true }
-frame-support = { workspace = true }
-frame-system = { workspace = true }
+frame = { workspace = true, features = ["runtime"] }
 safe-mix = { workspace = true }
 scale-info = { features = ["derive"], workspace = true }
-sp-runtime = { workspace = true }
-
-[dev-dependencies]
-sp-core = { workspace = true, default-features = true }
-sp-io = { workspace = true, default-features = true }
 
 [features]
 default = ["std"]
 std = [
 	"codec/std",
-	"frame-support/std",
-	"frame-system/std",
+	"frame/std",
 	"safe-mix/std",
 	"scale-info/std",
-	"sp-core/std",
-	"sp-io/std",
-	"sp-runtime/std",
 ]
 try-runtime = [
-	"frame-support/try-runtime",
-	"frame-system/try-runtime",
-	"sp-runtime/try-runtime",
+	"frame/try-runtime",
 ]

substrate/frame/insecure-randomness-collective-flip/src/lib.rs

@@ -42,13 +42,11 @@
 //! ### Example - Get random seed for the current block
 //!
 //! ```
-//! use frame_support::traits::Randomness;
+//! use frame::{prelude::*, traits::Randomness};
 //!
-//! #[frame_support::pallet]
+//! #[frame::pallet]
 //! pub mod pallet {
 //!     use super::*;
-//!     use frame_support::pallet_prelude::*;
-//!     use frame_system::pallet_prelude::*;
 //!
 //!     #[pallet::pallet]
 //!     pub struct Pallet<T>(_);
@@ -73,9 +71,7 @@
 use safe_mix::TripletMix;
 
 use codec::Encode;
-use frame_support::{pallet_prelude::Weight, traits::Randomness};
-use frame_system::pallet_prelude::BlockNumberFor;
-use sp_runtime::traits::{Hash, Saturating};
+use frame::{prelude::*, traits::Randomness};
 
 const RANDOM_MATERIAL_LEN: u32 = 81;
 
@@ -87,10 +83,9 @@ fn block_number_to_index<T: Config>(block_number: BlockNumberFor<T>) -> usize {
 
 pub use pallet::*;
 
-#[frame_support::pallet]
+#[frame::pallet]
 pub mod pallet {
 	use super::*;
-	use frame_support::pallet_prelude::*;
 
 	#[pallet::pallet]
 	pub struct Pallet<T>(_);
@@ -167,19 +162,14 @@ impl<T: Config> Randomness<T::Hash, BlockNumberFor<T>> for Pallet<T> {
 mod tests {
 	use super::*;
 	use crate as pallet_insecure_randomness_collective_flip;
-
-	use sp_core::H256;
-	use sp_runtime::{traits::Header as _, BuildStorage};
-
-	use frame_support::{
-		derive_impl, parameter_types,
-		traits::{OnInitialize, Randomness},
+	use frame::{
+		testing_prelude::{frame_system::limits, *},
+		traits::Header as _,
 	};
-	use frame_system::limits;
 
 	type Block = frame_system::mocking::MockBlock<Test>;
 
-	frame_support::construct_runtime!(
+	construct_runtime!(
 		pub enum Test
 		{
 			System: frame_system,
@@ -199,7 +189,7 @@ mod tests {
 
 	impl pallet_insecure_randomness_collective_flip::Config for Test {}
 
-	fn new_test_ext() -> sp_io::TestExternalities {
+	fn new_test_ext() -> TestExternalities {
 		let t = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
 		t.into()
 	}