mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Bastian Köcher
91989cab46
* Adds `with_pair!` macro to application-crypto This macro will "generate" the given code only when the crypto pair is available. So, when either the `std` or the `full_crypto` feature is enabled. * Fix example
94 lines
2.8 KiB
Rust
94 lines
2.8 KiB
Rust
// Copyright 2017-2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Substrate is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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//! Primitives for Aura.
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#![cfg_attr(not(feature = "std"), no_std)]
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use codec::{Encode, Decode, Codec};
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use sp_std::vec::Vec;
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use sp_runtime::ConsensusEngineId;
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pub mod inherents;
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pub mod sr25519 {
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mod app_sr25519 {
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use sp_application_crypto::{app_crypto, key_types::AURA, sr25519};
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app_crypto!(sr25519, AURA);
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}
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sp_application_crypto::with_pair! {
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/// An Aura authority keypair using S/R 25519 as its crypto.
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pub type AuthorityPair = app_sr25519::Pair;
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}
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/// An Aura authority signature using S/R 25519 as its crypto.
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pub type AuthoritySignature = app_sr25519::Signature;
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/// An Aura authority identifier using S/R 25519 as its crypto.
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pub type AuthorityId = app_sr25519::Public;
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}
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pub mod ed25519 {
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mod app_ed25519 {
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use sp_application_crypto::{app_crypto, key_types::AURA, ed25519};
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app_crypto!(ed25519, AURA);
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}
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sp_application_crypto::with_pair! {
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/// An Aura authority keypair using Ed25519 as its crypto.
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pub type AuthorityPair = app_ed25519::Pair;
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}
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/// An Aura authority signature using Ed25519 as its crypto.
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pub type AuthoritySignature = app_ed25519::Signature;
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/// An Aura authority identifier using Ed25519 as its crypto.
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pub type AuthorityId = app_ed25519::Public;
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}
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/// The `ConsensusEngineId` of AuRa.
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pub const AURA_ENGINE_ID: ConsensusEngineId = [b'a', b'u', b'r', b'a'];
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/// The index of an authority.
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pub type AuthorityIndex = u32;
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/// An consensus log item for Aura.
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#[derive(Decode, Encode)]
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pub enum ConsensusLog<AuthorityId: Codec> {
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/// The authorities have changed.
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#[codec(index = "1")]
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AuthoritiesChange(Vec<AuthorityId>),
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/// Disable the authority with given index.
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#[codec(index = "2")]
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OnDisabled(AuthorityIndex),
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}
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sp_api::decl_runtime_apis! {
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/// API necessary for block authorship with aura.
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pub trait AuraApi<AuthorityId: Codec> {
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/// Return the slot duration in seconds for Aura.
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/// Currently, only the value provided by this type at genesis
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/// will be used.
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///
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/// Dynamic slot duration may be supported in the future.
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fn slot_duration() -> u64;
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// Return the current set of authorities.
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fn authorities() -> Vec<AuthorityId>;
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}
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}
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