`5f1a93089ac3`

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node/rpc/src/lib.rs7.4 KiBsource history
1use nft_runtime::{Hash, AccountId, Index, opaque::Block, BlockNumber, Balance};2use fc_rpc::{OverrideHandle, RuntimeApiStorageOverride, SchemaV1Override, StorageOverride};3use fc_rpc_core::types::{FilterPool, PendingTransactions};4use jsonrpc_pubsub::manager::SubscriptionManager;5use pallet_ethereum::EthereumStorageSchema;6use sc_client_api::{7	backend::{AuxStore, StorageProvider},8	client::BlockchainEvents,9};10use pallet_nft::NftApi;11use sc_finality_grandpa::{12	FinalityProofProvider, GrandpaJustificationStream, SharedAuthoritySet, SharedVoterState,13};14use sc_network::NetworkService;15use sc_rpc::SubscriptionTaskExecutor;16pub use sc_rpc_api::DenyUnsafe;17use sp_api::ProvideRuntimeApi;18use sp_block_builder::BlockBuilder;19use sp_blockchain::{Error as BlockChainError, HeaderBackend, HeaderMetadata};20use sp_consensus::SelectChain;21use sp_transaction_pool::TransactionPool;22use std::{collections::BTreeMap, marker::PhantomData, sync::Arc};2324/// Public io handler for exporting into other modules25pub type IoHandler = jsonrpc_core::IoHandler<sc_rpc::Metadata>;2627/// Light client extra dependencies.28pub struct LightDeps<C, F, P> {29	/// The client instance to use.30	pub client: Arc<C>,31	/// Transaction pool instance.32	pub pool: Arc<P>,33	/// Remote access to the blockchain (async).34	pub remote_blockchain: Arc<dyn sc_client_api::light::RemoteBlockchain<Block>>,35	/// Fetcher instance.36	pub fetcher: Arc<F>,37}3839/// Extra dependencies for GRANDPA40pub struct GrandpaDeps<B> {41	/// Voting round info.42	pub shared_voter_state: SharedVoterState,43	/// Authority set info.44	pub shared_authority_set: SharedAuthoritySet<Hash, BlockNumber>,45	/// Receives notifications about justification events from Grandpa.46	pub justification_stream: GrandpaJustificationStream<Block>,47	/// Executor to drive the subscription manager in the Grandpa RPC handler.48	pub subscription_executor: SubscriptionTaskExecutor,49	/// Finality proof provider.50	pub finality_provider: Arc<FinalityProofProvider<B, Block>>,51}5253/// Full client dependencies.54pub struct FullDeps<C, P, SC> {55	/// The client instance to use.56	pub client: Arc<C>,57	/// Transaction pool instance.58	pub pool: Arc<P>,59	/// The SelectChain Strategy60	pub select_chain: SC,61	/// The Node authority flag62	pub is_authority: bool,63	/// Whether to enable dev signer64	pub enable_dev_signer: bool,65	/// Network service66	pub network: Arc<NetworkService<Block, Hash>>,67	/// Whether to deny unsafe calls68	pub deny_unsafe: DenyUnsafe,69	/// Ethereum pending transactions.70	pub pending_transactions: PendingTransactions,71	/// EthFilterApi pool.72	pub filter_pool: Option<FilterPool>,73	/// Backend.74	pub backend: Arc<fc_db::Backend<Block>>,75	/// Maximum number of logs in a query.76	pub max_past_logs: u32,77}7879struct AccountCodes<C, B> {80	client: Arc<C>,81	_marker: PhantomData<B>,82}8384impl<C, Block> AccountCodes<C, Block>85where86	Block: sp_api::BlockT,87	C: ProvideRuntimeApi<Block>,88{89	fn new(client: Arc<C>) -> Self {90		Self {91			client,92			_marker: PhantomData,93		}94	}95}9697impl<C, Block> fc_rpc::AccountCodeProvider<Block> for AccountCodes<C, Block>98where99	Block: sp_api::BlockT,100	C: ProvideRuntimeApi<Block>,101	C::Api: pallet_nft::NftApi<Block>,102{103	fn code(&self, block: &sp_api::BlockId<Block>, account: sp_core::H160) -> Option<Vec<u8>> {104		self.client105			.runtime_api()106			.eth_contract_code(block, account)107			.ok()108			.flatten()109	}110}111112/// Instantiate all Full RPC extensions.113pub fn create_full<C, P, SC, A, B>(114	deps: FullDeps<C, P, SC>,115	subscription_task_executor: SubscriptionTaskExecutor,116) -> jsonrpc_core::IoHandler<sc_rpc_api::Metadata>117where118	C: ProvideRuntimeApi<Block> + StorageProvider<Block, B> + AuxStore,119	C: HeaderBackend<Block> + HeaderMetadata<Block, Error = BlockChainError> + 'static,120	C: Send + Sync + 'static,121	C: BlockchainEvents<Block>,122	C::Api: substrate_frame_rpc_system::AccountNonceApi<Block, AccountId, Index>,123	C::Api: BlockBuilder<Block>,124	// C::Api: pallet_contracts_rpc::ContractsRuntimeApi<Block, AccountId, Balance, BlockNumber, Hash>,125	C::Api: pallet_transaction_payment_rpc::TransactionPaymentRuntimeApi<Block, Balance>,126	C::Api: fp_rpc::EthereumRuntimeRPCApi<Block>,127	C::Api: pallet_nft::NftApi<Block>,128	P: TransactionPool<Block = Block> + 'static,129	SC: SelectChain<Block> + 'static,130	B: sc_client_api::Backend<Block> + Send + Sync + 'static,131	B::State: sc_client_api::backend::StateBackend<sp_runtime::traits::HashFor<Block>>,132{133	use fc_rpc::{134		EthApi, EthApiServer, EthDevSigner, EthFilterApi, EthFilterApiServer, EthPubSubApi,135		EthPubSubApiServer, EthSigner, HexEncodedIdProvider, NetApi, NetApiServer, Web3Api,136		Web3ApiServer,137	};138	// use pallet_contracts_rpc::{Contracts, ContractsApi};139	use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApi};140	use substrate_frame_rpc_system::{FullSystem, SystemApi};141142	let mut io = jsonrpc_core::IoHandler::default();143	let FullDeps {144		client,145		pool,146		select_chain: _,147		enable_dev_signer,148		is_authority,149		network,150		deny_unsafe,151		pending_transactions,152		filter_pool,153		backend,154		max_past_logs,155	} = deps;156157	io.extend_with(SystemApi::to_delegate(FullSystem::new(158		client.clone(),159		pool.clone(),160		deny_unsafe,161	)));162163	io.extend_with(TransactionPaymentApi::to_delegate(TransactionPayment::new(164		client.clone(),165	)));166167	// io.extend_with(ContractsApi::to_delegate(Contracts::new(client.clone())));168169	let mut signers = Vec::new();170	if enable_dev_signer {171		signers.push(Box::new(EthDevSigner::new()) as Box<dyn EthSigner>);172	}173	let mut overrides_map = BTreeMap::new();174	overrides_map.insert(175		EthereumStorageSchema::V1,176		Box::new(SchemaV1Override::new_with_code_provider(177			client.clone(),178			Arc::new(AccountCodes::<C, Block>::new(client.clone())),179		)) as Box<dyn StorageOverride<_> + Send + Sync>,180	);181182	let overrides = Arc::new(OverrideHandle {183		schemas: overrides_map,184		fallback: Box::new(RuntimeApiStorageOverride::new(client.clone())),185	});186187	io.extend_with(EthApiServer::to_delegate(EthApi::new(188		client.clone(),189		pool.clone(),190		nft_runtime::TransactionConverter,191		network.clone(),192		pending_transactions,193		signers,194		overrides.clone(),195		backend,196		is_authority,197		max_past_logs,198	)));199200	if let Some(filter_pool) = filter_pool {201		io.extend_with(EthFilterApiServer::to_delegate(EthFilterApi::new(202			client.clone(),203			filter_pool,204			500_usize, // max stored filters205			overrides.clone(),206			max_past_logs,207		)));208	}209210	io.extend_with(NetApiServer::to_delegate(NetApi::new(211		client.clone(),212		network.clone(),213		// Whether to format the `peer_count` response as Hex (default) or not.214		true,215	)));216217	io.extend_with(Web3ApiServer::to_delegate(Web3Api::new(client.clone())));218219	io.extend_with(EthPubSubApiServer::to_delegate(EthPubSubApi::new(220		pool,221		client,222		network,223		SubscriptionManager::<HexEncodedIdProvider>::with_id_provider(224			HexEncodedIdProvider::default(),225			Arc::new(subscription_task_executor),226		),227		overrides,228	)));229230	io231}232233/// Instantiate all Light RPC extensions.234pub fn create_light<C, P, M, F>(deps: LightDeps<C, F, P>) -> jsonrpc_core::IoHandler<M>235where236	C: sp_blockchain::HeaderBackend<Block>,237	C: Send + Sync + 'static,238	F: sc_client_api::light::Fetcher<Block> + 'static,239	P: TransactionPool + 'static,240	M: jsonrpc_core::Metadata + Default,241{242	use substrate_frame_rpc_system::{LightSystem, SystemApi};243244	let LightDeps {245		client,246		pool,247		remote_blockchain,248		fetcher,249	} = deps;250	let mut io = jsonrpc_core::IoHandler::default();251	io.extend_with(SystemApi::<Hash, AccountId, Index>::to_delegate(252		LightSystem::new(client, remote_blockchain, fetcher, pool),253	));254255	io256}