frame_system_rpc_runtime_api/
lib.rs

1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// 	http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18//! Runtime API definition required by System RPC extensions.
19//!
20//! This API should be imported and implemented by the runtime,
21//! of a node that wants to use the custom RPC extension
22//! adding System access methods.
23
24#![cfg_attr(not(feature = "std"), no_std)]
25
26#[docify::export(AccountNonceApi)]
27sp_api::decl_runtime_apis! {
28	/// The API to query account nonce.
29	pub trait AccountNonceApi<AccountId, Nonce> where
30		AccountId: codec::Codec,
31		Nonce: codec::Codec,
32	{
33		/// Get current account nonce of given `AccountId`.
34		fn account_nonce(account: AccountId) -> Nonce;
35	}
36}
frame_system_rpc_runtime_api/lib.rs

frame_system_rpc_runtime_api/
lib.rs
