97 lines
3.0 KiB
Rust
97 lines
3.0 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Pezkuwi.
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// Pezkuwi 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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// Pezkuwi 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 Pezkuwi. If not, see <http://www.gnu.org/licenses/>.
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//! This variant of Malus overrides the `disabled_validators` runtime API
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//! to always return an empty set of disabled validators.
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use pezkuwi_cli::{
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service::{
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AuxStore, Error, ExtendedOverseerGenArgs, Overseer, OverseerConnector, OverseerGen,
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OverseerGenArgs, OverseerHandle,
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},
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validator_overseer_builder, Cli,
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};
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use pezkuwi_node_subsystem::SpawnGlue;
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use pezkuwi_node_subsystem_types::{ChainApiBackend, RuntimeApiSubsystemClient};
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use sp_core::traits::SpawnNamed;
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use crate::interceptor::*;
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use std::sync::Arc;
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#[derive(Debug, clap::Parser)]
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#[clap(rename_all = "kebab-case")]
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#[allow(missing_docs)]
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pub struct SupportDisabledOptions {
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#[clap(flatten)]
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pub cli: Cli,
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}
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/// Generates an overseer with a custom runtime API subsystem.
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pub(crate) struct SupportDisabled;
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impl OverseerGen for SupportDisabled {
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fn generate<Spawner, RuntimeClient>(
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&self,
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connector: OverseerConnector,
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args: OverseerGenArgs<'_, Spawner, RuntimeClient>,
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ext_args: Option<ExtendedOverseerGenArgs>,
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) -> Result<(Overseer<SpawnGlue<Spawner>, Arc<RuntimeClient>>, OverseerHandle), Error>
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where
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RuntimeClient: RuntimeApiSubsystemClient + ChainApiBackend + AuxStore + 'static,
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Spawner: 'static + SpawnNamed + Clone + Unpin,
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{
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validator_overseer_builder(
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args,
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ext_args.expect("Extended arguments required to build validator overseer are provided"),
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)?
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.replace_runtime_api(move |ra_subsystem| {
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InterceptedSubsystem::new(ra_subsystem, IgnoreDisabled)
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})
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.build_with_connector(connector)
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.map_err(|e| e.into())
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}
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}
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#[derive(Clone)]
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struct IgnoreDisabled;
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impl<Sender> MessageInterceptor<Sender> for IgnoreDisabled
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where
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Sender: overseer::RuntimeApiSenderTrait + Clone + Send + 'static,
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{
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type Message = RuntimeApiMessage;
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/// Intercept incoming runtime api requests.
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fn intercept_incoming(
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&self,
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_subsystem_sender: &mut Sender,
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msg: FromOrchestra<Self::Message>,
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) -> Option<FromOrchestra<Self::Message>> {
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match msg {
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FromOrchestra::Communication {
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msg:
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RuntimeApiMessage::Request(_relay_parent, RuntimeApiRequest::DisabledValidators(tx)),
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} => {
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let _ = tx.send(Ok(Vec::new()));
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None
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},
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FromOrchestra::Communication { msg } => Some(FromOrchestra::Communication { msg }),
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FromOrchestra::Signal(signal) => Some(FromOrchestra::Signal(signal)),
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}
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}
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}
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