Fix folder names in client and test (#4360)

* client/rpc/api -> client/rpc-api * client/util/wasm-builder-runner -> utils/wasm-builder-runner * client/grafana-data-source -> utils/grafana-data-source * test/utils -> test-utils * fix moved path * Update Cargo.lock * Update Cargo.lock
2026-06-13 02:21:14 +00:00 · 2019-12-11 16:41:38 +01:00
parent 8131dc8a66
commit c5a709a882
75 changed files with 166 additions and 185 deletions
@@ -0,0 +1,100 @@
+// Copyright 2017-2019 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Substrate blockchain API.
+
+pub mod error;
+
+use jsonrpc_core::Result as RpcResult;
+use jsonrpc_core::futures::Future;
+use jsonrpc_derive::rpc;
+use jsonrpc_pubsub::{typed::Subscriber, SubscriptionId};
+use rpc_primitives::{number::NumberOrHex, list::ListOrValue};
+use self::error::{FutureResult, Result};
+
+pub use self::gen_client::Client as ChainClient;
+
+/// Substrate blockchain API
+#[rpc]
+pub trait ChainApi<Number, Hash, Header, SignedBlock> {
+	/// RPC metadata
+	type Metadata;
+
+	/// Get header of a relay chain block.
+	#[rpc(name = "chain_getHeader")]
+	fn header(&self, hash: Option<Hash>) -> FutureResult<Option<Header>>;
+
+	/// Get header and body of a relay chain block.
+	#[rpc(name = "chain_getBlock")]
+	fn block(&self, hash: Option<Hash>) -> FutureResult<Option<SignedBlock>>;
+
+	/// Get hash of the n-th block in the canon chain.
+	///
+	/// By default returns latest block hash.
+	#[rpc(name = "chain_getBlockHash", alias("chain_getHead"))]
+	fn block_hash(
+		&self,
+		hash: Option<ListOrValue<NumberOrHex<Number>>>,
+	) -> Result<ListOrValue<Option<Hash>>>;
+
+	/// Get hash of the last finalized block in the canon chain.
+	#[rpc(name = "chain_getFinalizedHead", alias("chain_getFinalisedHead"))]
+	fn finalized_head(&self) -> Result<Hash>;
+
+	/// New head subscription
+	#[pubsub(
+		subscription = "chain_newHead",
+		subscribe,
+		name = "chain_subscribeNewHeads",
+		alias("subscribe_newHead", "chain_subscribeNewHead")
+	)]
+	fn subscribe_new_heads(&self, metadata: Self::Metadata, subscriber: Subscriber<Header>);
+
+	/// Unsubscribe from new head subscription.
+	#[pubsub(
+		subscription = "chain_newHead",
+		unsubscribe,
+		name = "chain_unsubscribeNewHeads",
+		alias("unsubscribe_newHead", "chain_unsubscribeNewHead")
+	)]
+	fn unsubscribe_new_heads(
+		&self,
+		metadata: Option<Self::Metadata>,
+		id: SubscriptionId,
+	) -> RpcResult<bool>;
+
+	/// New head subscription
+	#[pubsub(
+		subscription = "chain_finalizedHead",
+		subscribe,
+		name = "chain_subscribeFinalizedHeads",
+		alias("chain_subscribeFinalisedHeads")
+	)]
+	fn subscribe_finalized_heads(&self, metadata: Self::Metadata, subscriber: Subscriber<Header>);
+
+	/// Unsubscribe from new head subscription.
+	#[pubsub(
+		subscription = "chain_finalizedHead",
+		unsubscribe,
+		name = "chain_unsubscribeFinalizedHeads",
+		alias("chain_unsubscribeFinalisedHeads")
+	)]
+	fn unsubscribe_finalized_heads(
+		&self,
+		metadata: Option<Self::Metadata>,
+		id: SubscriptionId,
+	) -> RpcResult<bool>;
+}