try-runtime::fast-forward

bin/node-template/node/src/command.rs

@@ -10,6 +10,9 @@ use sc_cli::{ChainSpec, RuntimeVersion, SubstrateCli};
 use sc_service::PartialComponents;
 use sp_keyring::Sr25519Keyring;
 
+#[cfg(feature = "try-runtime")]
+use try_runtime_cli::block_building_info::timestamp_with_aura_info;
+
 impl SubstrateCli for Cli {
 	fn impl_name() -> String {
 		"Substrate Node".into()
@@ -184,11 +187,13 @@ pub fn run() -> sc_cli::Result<()> {
 				let task_manager =
 					sc_service::TaskManager::new(config.tokio_handle.clone(), registry)
 						.map_err(|e| sc_cli::Error::Service(sc_service::Error::Prometheus(e)))?;
+				let info_provider = timestamp_with_aura_info(6000);
+
 				Ok((
 					cmd.run::<Block, ExtendedHostFunctions<
 						sp_io::SubstrateHostFunctions,
 						<ExecutorDispatch as NativeExecutionDispatch>::ExtendHostFunctions,
-					>>(),
+					>, _>(Some(info_provider)),
 					task_manager,
 				))
 			})

bin/node/cli/src/command.rs

@@ -32,6 +32,12 @@ use sp_keyring::Sr25519Keyring;
 
 use std::sync::Arc;
 
+#[cfg(feature = "try-runtime")]
+use {
+	kitchensink_runtime::constants::time::SLOT_DURATION,
+	try_runtime_cli::block_building_info::timestamp_with_babe_info,
+};
+
 impl SubstrateCli for Cli {
 	fn impl_name() -> String {
 		"Substrate Node".into()
@@ -237,11 +243,13 @@ pub fn run() -> Result<()> {
 					sc_service::TaskManager::new(config.tokio_handle.clone(), registry)
 						.map_err(|e| sc_cli::Error::Service(sc_service::Error::Prometheus(e)))?;
 
+				let info_provider = timestamp_with_babe_info(SLOT_DURATION);
+
 				Ok((
 					cmd.run::<Block, ExtendedHostFunctions<
 						sp_io::SubstrateHostFunctions,
 						<ExecutorDispatch as NativeExecutionDispatch>::ExtendHostFunctions,
-					>>(),
+					>, _>(Some(info_provider)),
 					task_manager,
 				))
 			})

utils/frame/try-runtime/cli/Cargo.toml

@@ -16,20 +16,27 @@ remote-externalities = { version = "0.10.0-dev", path = "../../remote-externalit
 sc-cli = { version = "0.10.0-dev", path = "../../../../client/cli" }
 sc-executor = { version = "0.10.0-dev", path = "../../../../client/executor" }
 sc-service = { version = "0.10.0-dev", default-features = false, path = "../../../../client/service" }
+sp-authorship = { path = "../../../../primitives/authorship" }
+sp-consensus-aura = { path = "../../../../primitives/consensus/aura" }
+sp-consensus-babe = { path = "../../../../primitives/consensus/babe" }
 sp-core = { version = "7.0.0", path = "../../../../primitives/core" }
 sp-externalities = { version = "0.13.0", path = "../../../../primitives/externalities" }
+sp-inherents = { path = "../../../../primitives/inherents" }
 sp-io = { version = "7.0.0", path = "../../../../primitives/io" }
 sp-keystore = { version = "0.13.0", path = "../../../../primitives/keystore" }
 sp-runtime = { version = "7.0.0", path = "../../../../primitives/runtime" }
 sp-rpc = { version = "6.0.0", path = "../../../../primitives/rpc" }
 sp-state-machine = { version = "0.13.0", path = "../../../../primitives/state-machine" }
+sp-timestamp = { path = "../../../../primitives/timestamp" }
+sp-transaction-storage-proof = { path = "../../../../primitives/transaction-storage-proof" }
 sp-version = { version = "5.0.0", path = "../../../../primitives/version" }
 sp-debug-derive = { path = "../../../../primitives/debug-derive" }
 sp-api = { path = "../../../../primitives/api" }
 sp-weights = { version = "4.0.0", path = "../../../../primitives/weights" }
 frame-try-runtime = { optional = true, path = "../../../../frame/try-runtime" }
 substrate-rpc-client = { path = "../../rpc/client" }
 
+async-trait = "0.1.57"
 clap = { version = "4.0.9", features = ["derive"] }
 hex = { version = "0.4.3", default-features = false }
 log = "0.4.17"

utils/frame/try-runtime/cli/src/block_building_info.rs

@@ -0,0 +1,101 @@
+use crate::BlockT;
+use parity_scale_codec::Encode;
+use sc_cli::Result;
+use sp_consensus_aura::{Slot, SlotDuration, AURA_ENGINE_ID};
+use sp_consensus_babe::{
+	digests::{PreDigest, SecondaryPlainPreDigest},
+	BABE_ENGINE_ID,
+};
+use sp_inherents::{InherentData, InherentDataProvider};
+use sp_runtime::{Digest, DigestItem};
+use sp_timestamp::TimestampInherentData;
+
+/// Something that can create inherent data providers and pre-runtime digest.
+///
+/// It is possible for the caller to provide custom arguments to the callee by setting the
+/// `ExtraArgs` generic parameter.
+///
+/// This module already provides some convenience implementation of this trait for closures. So, it
+/// should not be required to implement it directly.
+#[async_trait::async_trait]
+pub trait BlockBuildingInfoProvider<Block: BlockT, ExtraArgs = ()> {
+	type InherentDataProviders: InherentDataProvider;
+
+	async fn get_inherent_providers_and_pre_digest(
+		&self,
+		parent_hash: Block::Hash,
+		extra_args: ExtraArgs,
+	) -> Result<(Self::InherentDataProviders, Vec<DigestItem>)>;
+}
+
+#[async_trait::async_trait]
+impl<F, Block, IDP, ExtraArgs, Fut> BlockBuildingInfoProvider<Block, ExtraArgs> for F
+where
+	Block: BlockT,
+	F: Fn(Block::Hash, ExtraArgs) -> Fut + Sync + Send,
+	Fut: std::future::Future<Output = Result<(IDP, Vec<DigestItem>)>> + Send + 'static,
+	IDP: InherentDataProvider + 'static,
+	ExtraArgs: Send + 'static,
+{
+	type InherentDataProviders = IDP;
+
+	async fn get_inherent_providers_and_pre_digest(
+		&self,
+		parent: Block::Hash,
+		extra_args: ExtraArgs,
+	) -> Result<(Self::InherentDataProviders, Vec<DigestItem>)> {
+		(*self)(parent, extra_args).await
+	}
+}
+
+/// Provides [`BlockBuildingInfoProvider`] implementation for chains that include timestamp inherent
+/// and use Aura for a block production.
+pub fn timestamp_with_aura_info<Block: BlockT>(
+	blocktime_millis: u64,
+) -> impl BlockBuildingInfoProvider<Block, Option<(InherentData, Digest)>> {
+	move |_, maybe_prev_info: Option<(InherentData, Digest)>| async move {
+		let timestamp_idp = match maybe_prev_info {
+			Some((inherent_data, _)) => sp_timestamp::InherentDataProvider::new(
+				inherent_data.timestamp_inherent_data().unwrap().unwrap() + blocktime_millis,
+			),
+			None => sp_timestamp::InherentDataProvider::from_system_time(),
+		};
+
+		let slot =
+			Slot::from_timestamp(*timestamp_idp, SlotDuration::from_millis(blocktime_millis));
+		let digest = vec![DigestItem::PreRuntime(AURA_ENGINE_ID, slot.encode())];
+
+		Ok((timestamp_idp, digest))
+	}
+}
+
+/// Provides [`BlockBuildingInfoProvider`] implementation for chains that include timestamp inherent
+/// and use Babe for a block production.
+pub fn timestamp_with_babe_info<Block: BlockT>(
+	blocktime_millis: u64,
+) -> impl BlockBuildingInfoProvider<Block, Option<(InherentData, Digest)>> {
+	move |_, maybe_prev_info: Option<(InherentData, Digest)>| async move {
+		let uncles_idp = sp_authorship::InherentDataProvider::<Block::Header>::new(vec![]);
+
+		let timestamp_idp = match maybe_prev_info {
+			Some((inherent_data, _)) => sp_timestamp::InherentDataProvider::new(
+				inherent_data.timestamp_inherent_data().unwrap().unwrap() + blocktime_millis,
+			),
+			None => sp_timestamp::InherentDataProvider::from_system_time(),
+		};
+
+		let slot =
+			Slot::from_timestamp(*timestamp_idp, SlotDuration::from_millis(blocktime_millis));
+		let slot_idp = sp_consensus_babe::inherents::InherentDataProvider::new(slot);
+
+		let storage_proof_idp = sp_transaction_storage_proof::InherentDataProvider::new(None);
+
+		let digest = vec![DigestItem::PreRuntime(
+			BABE_ENGINE_ID,
+			PreDigest::SecondaryPlain(SecondaryPlainPreDigest { slot, authority_index: 0 })
+				.encode(),
+		)];
+
+		Ok(((slot_idp, timestamp_idp, uncles_idp, storage_proof_idp), digest))
+	}
+}