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1b5f4243d1
This PR removes sp-std crate from substrate/primitives sub-directories. For now crates that have `pub use` of sp-std or export macros that would necessitate users of the macros to `extern crate alloc` have been excluded from this PR. There should be no breaking changes in this PR. --------- Co-authored-by: Koute <koute@users.noreply.github.com>
52 lines
1.6 KiB
Rust
52 lines
1.6 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Runtime Api to help discover authorities.
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#![cfg_attr(not(feature = "std"), no_std)]
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extern crate alloc;
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use alloc::vec::Vec;
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mod app {
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use sp_application_crypto::{app_crypto, key_types::AUTHORITY_DISCOVERY, sr25519};
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app_crypto!(sr25519, AUTHORITY_DISCOVERY);
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}
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sp_application_crypto::with_pair! {
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/// An authority discovery authority keypair.
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pub type AuthorityPair = app::Pair;
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}
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/// An authority discovery authority identifier.
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pub type AuthorityId = app::Public;
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/// An authority discovery authority signature.
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pub type AuthoritySignature = app::Signature;
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sp_api::decl_runtime_apis! {
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/// The authority discovery api.
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///
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/// This api is used by the `client/authority-discovery` module to retrieve identifiers
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/// of the current and next authority set.
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pub trait AuthorityDiscoveryApi {
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/// Retrieve authority identifiers of the current and next authority set.
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fn authorities() -> Vec<AuthorityId>;
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}
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}
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