Reorganising the repository - external renames and moves (#4074)

* Adding first rough ouline of the repository structure

* Remove old CI stuff

* add title

* formatting fixes

* move node-exits job's script to scripts dir

* Move docs into subdir

* move to bin

* move maintainence scripts, configs and helpers into its own dir

* add .local to ignore

* move core->client

* start up 'test' area

* move test client

* move test runtime

* make test move compile

* Add dependencies rule enforcement.

* Fix indexing.

* Update docs to reflect latest changes

* Moving /srml->/paint

* update docs

* move client/sr-* -> primitives/

* clean old readme

* remove old broken code in rhd

* update lock

* Step 1.

* starting to untangle client

* Fix after merge.

* start splitting out client interfaces

* move children and blockchain interfaces

* Move trie and state-machine to primitives.

* Fix WASM builds.

* fixing broken imports

* more interface moves

* move backend and light to interfaces

* move CallExecutor

* move cli off client

* moving around more interfaces

* re-add consensus crates into the mix

* fix subkey path

* relieve client from executor

* starting to pull out client from grandpa

* move is_decendent_of out of client

* grandpa still depends on client directly

* lemme tests pass

* rename srml->paint

* Make it compile.

* rename interfaces->client-api

* Move keyring to primitives.

* fixup libp2p dep

* fix broken use

* allow dependency enforcement to fail

* move fork-tree

* Moving wasm-builder

* make env

* move build-script-utils

* fixup broken crate depdencies and names

* fix imports for authority discovery

* fix typo

* update cargo.lock

* fixing imports

* Fix paths and add missing crates

* re-add missing crates

substrate/client/rpc/src/system/mod.rs

@@ -0,0 +1,105 @@
+// Copyright 2017-2019 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Substrate system API.
+
+#[cfg(test)]
+mod tests;
+
+use futures03::{channel::{mpsc, oneshot}, compat::Compat};
+use api::Receiver;
+use sr_primitives::traits::{self, Header as HeaderT};
+use self::error::Result;
+
+pub use api::system::*;
+pub use self::helpers::{Properties, SystemInfo, Health, PeerInfo, NodeRole};
+pub use self::gen_client::Client as SystemClient;
+
+/// System API implementation
+pub struct System<B: traits::Block> {
+	info: SystemInfo,
+	send_back: mpsc::UnboundedSender<Request<B>>,
+}
+
+/// Request to be processed.
+pub enum Request<B: traits::Block> {
+	/// Must return the health of the network.
+	Health(oneshot::Sender<Health>),
+	/// Must return information about the peers we are connected to.
+	Peers(oneshot::Sender<Vec<PeerInfo<B::Hash, <B::Header as HeaderT>::Number>>>),
+	/// Must return the state of the network.
+	NetworkState(oneshot::Sender<rpc::Value>),
+	/// Must return the node role.
+	NodeRoles(oneshot::Sender<Vec<NodeRole>>)
+}
+
+impl<B: traits::Block> System<B> {
+	/// Creates new `System`.
+	///
+	/// The `send_back` will be used to transmit some of the requests. The user is responsible for
+	/// reading from that channel and answering the requests.
+	pub fn new(
+		info: SystemInfo,
+		send_back: mpsc::UnboundedSender<Request<B>>
+	) -> Self {
+		System {
+			info,
+			send_back,
+		}
+	}
+}
+
+impl<B: traits::Block> SystemApi<B::Hash, <B::Header as HeaderT>::Number> for System<B> {
+	fn system_name(&self) -> Result<String> {
+		Ok(self.info.impl_name.clone())
+	}
+
+	fn system_version(&self) -> Result<String> {
+		Ok(self.info.impl_version.clone())
+	}
+
+	fn system_chain(&self) -> Result<String> {
+		Ok(self.info.chain_name.clone())
+	}
+
+	fn system_properties(&self) -> Result<Properties> {
+		Ok(self.info.properties.clone())
+	}
+
+	fn system_health(&self) -> Receiver<Health> {
+		let (tx, rx) = oneshot::channel();
+		let _ = self.send_back.unbounded_send(Request::Health(tx));
+		Receiver(Compat::new(rx))
+	}
+
+	fn system_peers(&self) -> Receiver<Vec<PeerInfo<B::Hash, <B::Header as HeaderT>::Number>>> {
+		let (tx, rx) = oneshot::channel();
+		let _ = self.send_back.unbounded_send(Request::Peers(tx));
+		Receiver(Compat::new(rx))
+	}
+
+	fn system_network_state(&self) -> Receiver<rpc::Value> {
+		let (tx, rx) = oneshot::channel();
+		let _ = self.send_back.unbounded_send(Request::NetworkState(tx));
+		Receiver(Compat::new(rx))
+	}
+
+	fn system_node_roles(&self) -> Receiver<Vec<NodeRole>> {
+		let (tx, rx) = oneshot::channel();
+		let _ = self.send_back.unbounded_send(Request::NodeRoles(tx));
+		Receiver(Compat::new(rx))
+	}
+}