chore: move genesis block builder to chain-spec crate.

client/block-builder/Cargo.toml

@@ -23,7 +23,7 @@ sp-blockchain = { version = "4.0.0-dev", path = "../../primitives/blockchain" }
 sp-core = { version = "7.0.0", path = "../../primitives/core" }
 sp-inherents = { version = "4.0.0-dev", path = "../../primitives/inherents" }
 sp-runtime = { version = "7.0.0", path = "../../primitives/runtime" }
-sp-state-machine = { version = "0.13.0", path = "../../primitives/state-machine" }
 
 [dev-dependencies]
+sp-state-machine = { version = "0.13.0", path = "../../primitives/state-machine" }
 substrate-test-runtime-client = { path = "../../test-utils/runtime/client" }

client/block-builder/src/lib.rs

@@ -39,9 +39,8 @@ use sp_runtime::{
 	Digest,
 };
 
-pub use sp_block_builder::BlockBuilder as BlockBuilderApi;
-
 use sc_client_api::backend;
+pub use sp_block_builder::BlockBuilder as BlockBuilderApi;
 
 /// Used as parameter to [`BlockBuilderProvider`] to express if proof recording should be enabled.
 ///

client/chain-spec/Cargo.toml

@@ -16,8 +16,12 @@ targets = ["x86_64-unknown-linux-gnu"]
 memmap2 = "0.5.0"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = "1.0.85"
+sc-client-api = { version = "4.0.0-dev", path = "../api" }
 sc-chain-spec-derive = { version = "4.0.0-dev", path = "./derive" }
+sc-executor = { version = "0.10.0-dev", path = "../executor" }
 sc-network-common = { version = "0.10.0-dev", path = "../network/common" }
 sc-telemetry = { version = "4.0.0-dev", path = "../telemetry" }
+sp-blockchain = { version = "4.0.0-dev", path = "../../primitives/blockchain" }
 sp-core = { version = "7.0.0", path = "../../primitives/core" }
 sp-runtime = { version = "7.0.0", path = "../../primitives/runtime" }
+sp-state-machine = { version = "0.13.0", path = "../../primitives/state-machine" }

client/service/src/client/genesis.rs → client/chain-spec/src/genesis.rs

@@ -18,20 +18,56 @@
 
 //! Tool for creating the genesis block.
 
+use std::{collections::hash_map::DefaultHasher, marker::PhantomData, sync::Arc};
+
 use sc_client_api::{backend::Backend, BlockImportOperation};
 use sc_executor::RuntimeVersionOf;
-use sp_core::storage::Storage;
+use sp_core::storage::{well_known_keys, StateVersion, Storage};
 use sp_runtime::{
 	traits::{Block as BlockT, Hash as HashT, Header as HeaderT, Zero},
 	BuildStorage,
 };
-use std::{marker::PhantomData, sync::Arc};
+
+/// Return the state version given the genesis storage and executor.
+pub fn resolve_state_version_from_wasm<E>(
+	storage: &Storage,
+	executor: &E,
+) -> sp_blockchain::Result<StateVersion>
+where
+	E: RuntimeVersionOf,
+{
+	if let Some(wasm) = storage.top.get(well_known_keys::CODE) {
+		let mut ext = sp_state_machine::BasicExternalities::new_empty(); // just to read runtime version.
+
+		let code_fetcher = sp_core::traits::WrappedRuntimeCode(wasm.as_slice().into());
+		let runtime_code = sp_core::traits::RuntimeCode {
+			code_fetcher: &code_fetcher,
+			heap_pages: None,
+			hash: {
+				use std::hash::{Hash, Hasher};
+				let mut state = DefaultHasher::new();
+				wasm.hash(&mut state);
+				state.finish().to_le_bytes().to_vec()
+			},
+		};
+		let runtime_version = RuntimeVersionOf::runtime_version(executor, &mut ext, &runtime_code)
+			.map_err(|e| sp_blockchain::Error::VersionInvalid(e.to_string()))?;
+		Ok(runtime_version.state_version())
+	} else {
+		Err(sp_blockchain::Error::VersionInvalid(
+			"Runtime missing from initial storage, could not read state version.".to_string(),
+		))
+	}
+}
 
 /// Create a genesis block, given the initial storage.
-pub fn construct_genesis_block<Block: BlockT>(state_root: Block::Hash) -> Block {
+pub fn construct_genesis_block<Block: BlockT>(
+	state_root: Block::Hash,
+	state_version: StateVersion,
+) -> Block {
 	let extrinsics_root = <<<Block as BlockT>::Header as HeaderT>::Hashing as HashT>::trie_root(
 		Vec::new(),
-		sp_runtime::StateVersion::V0,
+		state_version,
 	);
 
 	Block::new(
@@ -93,12 +129,11 @@ impl<Block: BlockT, B: Backend<Block>, E: RuntimeVersionOf> BuildGenesisBlock<Bl
 	fn build_genesis_block(self) -> sp_blockchain::Result<(Block, Self::BlockImportOperation)> {
 		let Self { genesis_storage, commit_genesis_state, backend, executor, _phantom } = self;
 
-		let genesis_state_version =
-			crate::resolve_state_version_from_wasm(&genesis_storage, &executor)?;
+		let genesis_state_version = resolve_state_version_from_wasm(&genesis_storage, &executor)?;
 		let mut op = backend.begin_operation()?;
 		let state_root =
 			op.set_genesis_state(genesis_storage, commit_genesis_state, genesis_state_version)?;
-		let genesis_block = construct_genesis_block::<Block>(state_root);
+		let genesis_block = construct_genesis_block::<Block>(state_root, genesis_state_version);
 
 		Ok((genesis_block, op))
 	}

client/chain-spec/src/lib.rs

@@ -177,10 +177,15 @@
 
 mod chain_spec;
 mod extension;
+mod genesis;
 
-pub use chain_spec::{ChainSpec as GenericChainSpec, NoExtension};
-pub use extension::{
-	get_extension, get_extension_mut, Extension, Fork, Forks, GetExtension, Group,
+pub use self::{
+	chain_spec::{ChainSpec as GenericChainSpec, NoExtension},
+	extension::{get_extension, get_extension_mut, Extension, Fork, Forks, GetExtension, Group},
+	genesis::{
+		construct_genesis_block, resolve_state_version_from_wasm, BuildGenesisBlock,
+		GenesisBlockBuilder,
+	},
 };
 pub use sc_chain_spec_derive::{ChainSpecExtension, ChainSpecGroup};
 

client/service/src/client/client.rs

@@ -18,16 +18,14 @@
 
 //! Substrate Client
 
-use super::{
-	block_rules::{BlockRules, LookupResult as BlockLookupResult},
-	genesis::BuildGenesisBlock,
-};
+use super::block_rules::{BlockRules, LookupResult as BlockLookupResult};
 use futures::{FutureExt, StreamExt};
 use log::{error, info, trace, warn};
 use parking_lot::{Mutex, RwLock};
 use prometheus_endpoint::Registry;
 use rand::Rng;
 use sc_block_builder::{BlockBuilderApi, BlockBuilderProvider, RecordProof};
+use sc_chain_spec::{resolve_state_version_from_wasm, BuildGenesisBlock};
 use sc_client_api::{
 	backend::{
 		self, apply_aux, BlockImportOperation, ClientImportOperation, FinalizeSummary, Finalizer,
@@ -61,7 +59,7 @@ use sp_consensus::{BlockOrigin, BlockStatus, Error as ConsensusError};
 use sc_utils::mpsc::{tracing_unbounded, TracingUnboundedSender};
 use sp_core::{
 	storage::{
-		well_known_keys, ChildInfo, ChildType, PrefixedStorageKey, Storage, StorageChild,
+		well_known_keys, ChildInfo, ChildType, PrefixedStorageKey, StorageChild,
 		StorageData, StorageKey,
 	},
 	traits::SpawnNamed,
@@ -84,7 +82,7 @@ use sp_state_machine::{
 };
 use sp_trie::{CompactProof, StorageProof};
 use std::{
-	collections::{hash_map::DefaultHasher, HashMap, HashSet},
+	collections::{HashMap, HashSet},
 	marker::PhantomData,
 	path::PathBuf,
 	sync::Arc,
@@ -1164,38 +1162,6 @@ where
 	}
 }
 
-/// Return the genesis state version given the genesis storage and executor.
-pub fn resolve_state_version_from_wasm<E>(
-	storage: &Storage,
-	executor: &E,
-) -> sp_blockchain::Result<StateVersion>
-where
-	E: RuntimeVersionOf,
-{
-	if let Some(wasm) = storage.top.get(well_known_keys::CODE) {
-		let mut ext = sp_state_machine::BasicExternalities::new_empty(); // just to read runtime version.
-
-		let code_fetcher = sp_core::traits::WrappedRuntimeCode(wasm.as_slice().into());
-		let runtime_code = sp_core::traits::RuntimeCode {
-			code_fetcher: &code_fetcher,
-			heap_pages: None,
-			hash: {
-				use std::hash::{Hash, Hasher};
-				let mut state = DefaultHasher::new();
-				wasm.hash(&mut state);
-				state.finish().to_le_bytes().to_vec()
-			},
-		};
-		let runtime_version = RuntimeVersionOf::runtime_version(executor, &mut ext, &runtime_code)
-			.map_err(|e| sp_blockchain::Error::VersionInvalid(e.to_string()))?;
-		Ok(runtime_version.state_version())
-	} else {
-		Err(sp_blockchain::Error::VersionInvalid(
-			"Runtime missing from initial storage, could not read state version.".to_string(),
-		))
-	}
-}
-
 impl<B, E, Block, RA> UsageProvider<Block> for Client<B, E, Block, RA>
 where
 	B: backend::Backend<Block>,

client/service/src/client/mod.rs

@@ -47,13 +47,12 @@
 mod block_rules;
 mod call_executor;
 mod client;
-pub mod genesis;
 mod wasm_override;
 mod wasm_substitutes;
 
 pub use self::{
 	call_executor::LocalCallExecutor,
-	client::{resolve_state_version_from_wasm, Client, ClientConfig},
+	client::{Client, ClientConfig},
 };
 
 #[cfg(feature = "test-helpers")]

client/service/src/lib.rs

@@ -61,12 +61,12 @@ pub use self::{
 		new_full_parts, spawn_tasks, BuildNetworkParams, KeystoreContainer, NetworkStarter,
 		SpawnTasksParams, TFullBackend, TFullCallExecutor, TFullClient,
 	},
-	client::{
-		genesis::{BuildGenesisBlock, GenesisBlockBuilder},
-		resolve_state_version_from_wasm, ClientConfig, LocalCallExecutor,
-	},
+	client::{ClientConfig, LocalCallExecutor},
 	error::Error,
 };
+
+pub use sc_chain_spec::{construct_genesis_block, resolve_state_version_from_wasm, BuildGenesisBlock, GenesisBlockBuilder};
+
 pub use config::{
 	BasePath, BlocksPruning, Configuration, DatabaseSource, PruningMode, Role, RpcMethods, TaskType,
 };

test-utils/runtime/client/Cargo.toml

@@ -15,6 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 codec = { package = "parity-scale-codec", version = "3.2.2" }
 futures = "0.3.21"
 sc-block-builder = { version = "0.10.0-dev", path = "../../../client/block-builder" }
+sc-chain-spec = { version = "4.0.0-dev", path = "../../../client/chain-spec" }
 sc-client-api = { version = "4.0.0-dev", path = "../../../client/api" }
 sc-consensus = { version = "0.10.0-dev", path = "../../../client/consensus/common" }
 sp-api = { version = "4.0.0-dev", path = "../../../primitives/api" }

test-utils/runtime/client/src/lib.rs

@@ -37,6 +37,8 @@ use sp_core::{
 };
 use sp_runtime::traits::{Block as BlockT, Hash as HashT, Header as HeaderT};
 use substrate_test_runtime::genesismap::{additional_storage_with_genesis, GenesisConfig};
+use sc_chain_spec::construct_genesis_block;
+use sp_api::StateVersion;
 
 /// A prelude to import in tests.
 pub mod prelude {
@@ -122,7 +124,7 @@ impl GenesisParameters {
 	}
 }
 
-impl substrate_test_client::GenesisInit for GenesisParameters {
+impl GenesisInit for GenesisParameters {
 	fn genesis_storage(&self) -> Storage {
 		use codec::Encode;
 
@@ -148,7 +150,7 @@ impl substrate_test_client::GenesisInit for GenesisParameters {
 				storage.top.clone().into_iter().chain(child_roots).collect(),
 				sp_runtime::StateVersion::V1,
 			);
-		let block: runtime::Block = client::genesis::construct_genesis_block(state_root);
+		let block: runtime::Block = construct_genesis_block(state_root, StateVersion::V1);
 		storage.top.extend(additional_storage_with_genesis(&block));
 
 		storage
@@ -260,7 +262,7 @@ impl<B> TestClientBuilderExt<B>
 		client::LocalCallExecutor<
 			substrate_test_runtime::Block,
 			B,
-			sc_executor::NativeElseWasmExecutor<LocalExecutorDispatch>,
+			NativeElseWasmExecutor<LocalExecutorDispatch>,
 		>,
 		B,
 	> where
@@ -288,8 +290,8 @@ pub fn new() -> Client<Backend> {
 }
 
 /// Create a new native executor.
-pub fn new_native_executor() -> sc_executor::NativeElseWasmExecutor<LocalExecutorDispatch> {
-	sc_executor::NativeElseWasmExecutor::new(
+pub fn new_native_executor() -> NativeElseWasmExecutor<LocalExecutorDispatch> {
+	NativeElseWasmExecutor::new(
 		sc_executor::WasmExecutionMethod::Interpreted,
 		None,
 		8,

test-utils/runtime/src/genesismap.rs

@@ -20,14 +20,15 @@
 use super::{system, wasm_binary_unwrap, AccountId, AuthorityId, Runtime};
 use codec::{Encode, Joiner, KeyedVec};
 use frame_support::traits::GenesisBuild;
-use sc_service::client::genesis;
 use sp_core::{
 	map,
 	storage::{well_known_keys, Storage},
 };
 use sp_io::hashing::{blake2_256, twox_128};
 use sp_runtime::traits::{Block as BlockT, Hash as HashT, Header as HeaderT};
 use std::collections::BTreeMap;
+use sc_service::construct_genesis_block;
+use sp_core::storage::StateVersion;
 
 /// Configuration of a general Substrate test genesis block.
 pub struct GenesisConfig {
@@ -106,7 +107,7 @@ pub fn insert_genesis_block(storage: &mut Storage) -> sp_core::hash::H256 {
 		storage.top.clone().into_iter().collect(),
 		sp_runtime::StateVersion::V1,
 	);
-	let block: crate::Block = genesis::construct_genesis_block(state_root);
+	let block: crate::Block = construct_genesis_block(state_root, StateVersion::V1);
 	let genesis_hash = block.header.hash();
 	storage.top.extend(additional_storage_with_genesis(&block));
 	genesis_hash