Companion for Substrate#14612 (#7536)

* Companion for reworking the storage transaction cache

* Cargo lock

* Fixes

* update lockfile for {"substrate"}

---------

Co-authored-by: parity-processbot <>

polkadot/utils/staking-miner/src/dry_run.rs

@@ -120,7 +120,7 @@ macro_rules! dry_run_cmd_for { ($runtime:ident) => { paste::paste! {
 		} else {
 			Default::default()
 		};
-		let mut ext = crate::create_election_ext::<Runtime, Block>(rpc.clone(), config.at, pallets).await?;
+		let mut ext = crate::create_election_ext::<Runtime>(rpc.clone(), config.at, pallets).await?;
 		if config.force_snapshot {
 			force_create_snapshot::<Runtime>(&mut ext)?;
 		};

polkadot/utils/staking-miner/src/emergency_solution.rs

@@ -28,7 +28,7 @@ macro_rules! emergency_solution_cmd_for { ($runtime:ident) => { paste::paste! {
 	) -> Result<(), Error<$crate::[<$runtime _runtime_exports>]::Runtime>> {
 		use $crate::[<$runtime _runtime_exports>]::*;
 
-		let mut ext = crate::create_election_ext::<Runtime, Block>(client, config.at, vec![]).await?;
+		let mut ext = crate::create_election_ext::<Runtime>(client, config.at, vec![]).await?;
 		let raw_solution = crate::mine_with::<Runtime>(&config.solver, &mut ext, false)?;
 
 		ext.execute_with(|| {

polkadot/utils/staking-miner/src/main.rs

@@ -56,7 +56,6 @@ use runtime_versions::RuntimeVersions;
 use signal_hook::consts::signal::*;
 use signal_hook_tokio::Signals;
 use sp_npos_elections::BalancingConfig;
-use sp_runtime::{traits::Block as BlockT, DeserializeOwned};
 use std::{ops::Deref, sync::Arc, time::Duration};
 use tracing_subscriber::{fmt, EnvFilter};
 
@@ -295,15 +294,13 @@ frame_support::parameter_types! {
 
 /// Build the Ext at hash with all the data of `ElectionProviderMultiPhase` and any additional
 /// pallets.
-async fn create_election_ext<T, B>(
+async fn create_election_ext<T>(
 	client: SharedRpcClient,
-	at: Option<B::Hash>,
+	at: Option<Hash>,
 	additional: Vec<String>,
 ) -> Result<Ext, Error<T>>
 where
 	T: EPM::Config,
-	B: BlockT + DeserializeOwned,
-	B::Header: DeserializeOwned,
 {
 	use frame_support::{storage::generator::StorageMap, traits::PalletInfo};
 	use sp_core::hashing::twox_128;
@@ -312,7 +309,7 @@ where
 		.expect("Pallet always has name; qed.")
 		.to_string()];
 	pallets.extend(additional);
-	Builder::<B>::new()
+	Builder::<Block>::new()
 		.mode(Mode::Online(OnlineConfig {
 			transport: Transport::Uri(client.uri().to_owned()),
 			at,
@@ -323,7 +320,7 @@ where
 		}))
 		.build()
 		.await
-		.map_err(|why| Error::RemoteExternalities(why))
+		.map_err(|why| Error::<T>::RemoteExternalities(why))
 		.map(|rx| rx.inner_ext)
 }
 

polkadot/utils/staking-miner/src/monitor.rs

@@ -259,7 +259,7 @@ macro_rules! monitor_cmd_for { ($runtime:tt) => { paste::paste! {
 
 			let _lock = submit_lock.lock().await;
 
-			let mut ext = match crate::create_election_ext::<Runtime, Block>(rpc.clone(), Some(hash), vec![]).await {
+			let mut ext = match crate::create_election_ext::<Runtime>(rpc.clone(), Some(hash), vec![]).await {
 				Ok(ext) => ext,
 				Err(err) => {
 					log::debug!(target: LOG_TARGET, "Skipping block {}; {}", at.number, err);

polkadot/utils/staking-miner/src/prelude.rs

@@ -32,6 +32,8 @@ pub type Nonce = core_primitives::Nonce;
 pub type Hash = core_primitives::Hash;
 /// The header type. We re-export it here, but we can easily get it from block as well.
 pub type Header = core_primitives::Header;
+/// The block type.
+pub type Block = core_primitives::Block;
 
 pub use sp_runtime::traits::{Block as BlockT, Header as HeaderT};
 
@@ -44,7 +46,7 @@ pub const LOG_TARGET: &str = "staking-miner";
 pub use pallet_election_provider_multi_phase as EPM;
 
 /// The externalities type.
-pub type Ext = sp_io::TestExternalities;
+pub type Ext = sp_state_machine::TestExternalities<sp_runtime::traits::HashingFor<Block>>;
 
 /// The key pair type being used. We "strongly" assume sr25519 for simplicity.
 pub type Pair = sp_core::sr25519::Pair;