sp_session/
runtime_api.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
18use alloc::vec::Vec;
19pub use sp_core::crypto::KeyTypeId;
20
21sp_api::decl_runtime_apis! {
22	/// Session keys runtime api.
23	pub trait SessionKeys {
24		/// Generate a set of session keys with optionally using the given seed.
25		/// The keys should be stored within the keystore exposed via runtime
26		/// externalities.
27		///
28		/// The seed needs to be a valid `utf8` string.
29		///
30		/// Returns the concatenated SCALE encoded public keys.
31		fn generate_session_keys(seed: Option<Vec<u8>>) -> Vec<u8>;
32
33		/// Decode the given public session keys.
34		///
35		/// Returns the list of public raw public keys + key type.
36		fn decode_session_keys(encoded: Vec<u8>) -> Option<Vec<(Vec<u8>, sp_core::crypto::KeyTypeId)>>;
37	}
38}
sp_session/runtime_api.rs

sp_session/
runtime_api.rs
