sc_rpc_spec_v2/lib.rs
1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
5
6// This program is free software: you can redistribute it and/or modify
7// it under the terms of the GNU General Public License as published by
8// the Free Software Foundation, either version 3 of the License, or
9// (at your option) any later version.
10
11// This program is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License
17// along with this program. If not, see <https://www.gnu.org/licenses/>.
18
19//! Substrate JSON-RPC interface v2.
20//!
21//! Specification [document](https://paritytech.github.io/json-rpc-interface-spec/).
22
23#![warn(missing_docs)]
24#![deny(unused_crate_dependencies)]
25
26use sp_core::hexdisplay::{AsBytesRef, HexDisplay};
27
28mod common;
29
30pub mod archive;
31pub mod chain_head;
32pub mod chain_spec;
33pub mod transaction;
34
35/// Task executor that is being used by RPC subscriptions.
36pub type SubscriptionTaskExecutor = std::sync::Arc<dyn sp_core::traits::SpawnNamed>;
37
38/// Util function to encode a value as a hex string
39pub fn hex_string<Data: AsBytesRef>(data: &Data) -> String {
40 format!("0x{:?}", HexDisplay::from(data))
41}