Merge remote-tracking branch 'origin/master' into consistent-id

parity/cli/config.full.toml

@@ -32,6 +32,7 @@ warp = true
 allow_ips = "all"
 snapshot_peers = 0
 max_pending_peers = 64
+serve_light = true
 
 reserved_only = false
 reserved_peers = "./path_to_file"

parity/cli/mod.rs

@@ -135,6 +135,8 @@ usage! {
 		flag_reserved_only: bool = false,
 			or |c: &Config| otry!(c.network).reserved_only.clone(),
 		flag_no_ancient_blocks: bool = false, or |_| None,
+		flag_serve_light: bool = false,
+			or |c: &Config| otry!(c.network).serve_light.clone(),
 
 		// -- API and Console Options
 		// RPC
@@ -340,6 +342,7 @@ struct Network {
 	node_key: Option<String>,
 	reserved_peers: Option<String>,
 	reserved_only: Option<bool>,
+	serve_light: Option<bool>,
 }
 
 #[derive(Default, Debug, PartialEq, RustcDecodable)]
@@ -552,6 +555,7 @@ mod tests {
 			flag_reserved_peers: Some("./path_to_file".into()),
 			flag_reserved_only: false,
 			flag_no_ancient_blocks: false,
+			flag_serve_light: true,
 
 			// -- API and Console Options
 			// RPC
@@ -725,6 +729,7 @@ mod tests {
 				node_key: None,
 				reserved_peers: Some("./path/to/reserved_peers".into()),
 				reserved_only: Some(true),
+				serve_light: None,
 			}),
 			rpc: Some(Rpc {
 				disable: Some(true),

parity/cli/usage.txt

@@ -97,6 +97,7 @@ Networking Options:
   --max-pending-peers NUM  Allow up to NUM pending connections. (default: {flag_max_pending_peers})
   --no-ancient-blocks      Disable downloading old blocks after snapshot restoration
                            or warp sync. (default: {flag_no_ancient_blocks})
+  --serve-light            Experimental: Serve light client peers. (default: {flag_serve_light})
 
 API and Console Options:
   --no-jsonrpc             Disable the JSON-RPC API server. (default: {flag_no_jsonrpc})

parity/configuration.rs

@@ -279,6 +279,7 @@ impl Configuration {
 				no_periodic_snapshot: self.args.flag_no_periodic_snapshot,
 				check_seal: !self.args.flag_no_seal_check,
 				download_old_blocks: !self.args.flag_no_ancient_blocks,
+				serve_light: self.args.flag_serve_light,
 				verifier_settings: verifier_settings,
 			};
 			Cmd::Run(run_cmd)
@@ -942,6 +943,7 @@ mod tests {
 			no_periodic_snapshot: false,
 			check_seal: true,
 			download_old_blocks: true,
+			serve_light: false,
 			verifier_settings: Default::default(),
 		}));
 	}

parity/main.rs

@@ -43,6 +43,7 @@ extern crate serde;
 extern crate serde_json;
 extern crate rlp;
 extern crate ethcore_hash_fetch as hash_fetch;
+extern crate ethcore_light as light;
 
 extern crate ethcore_ipc_hypervisor as hypervisor;
 extern crate ethcore_rpc;

parity/modules.rs

@@ -15,16 +15,22 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 use std::sync::Arc;
+use std::path::Path;
+
 use ethcore::client::BlockChainClient;
 use hypervisor::Hypervisor;
-use ethsync::{SyncConfig, NetworkConfiguration, NetworkError};
+use ethsync::{SyncConfig, NetworkConfiguration, NetworkError, Params};
 use ethcore::snapshot::SnapshotService;
+use light::Provider;
+
 #[cfg(not(feature="ipc"))]
 use self::no_ipc_deps::*;
+
+#[cfg(not(feature="ipc"))]
+use ethcore_logger::Config as LogConfig;
+
 #[cfg(feature="ipc")]
 use self::ipc_deps::*;
-use ethcore_logger::Config as LogConfig;
-use std::path::Path;
 
 #[cfg(feature="ipc")]
 pub mod service_urls {
@@ -36,6 +42,8 @@ pub mod service_urls {
 	pub const SYNC_NOTIFY: &'static str = "parity-sync-notify.ipc";
 	pub const NETWORK_MANAGER: &'static str = "parity-manage-net.ipc";
 	pub const SYNC_CONTROL: &'static str = "parity-sync-control.ipc";
+	pub const LIGHT_PROVIDER: &'static str = "parity-light-provider.ipc";
+
 	#[cfg(feature="stratum")]
 	pub const STRATUM: &'static str = "parity-stratum.ipc";
 	#[cfg(feature="stratum")]
@@ -75,6 +83,7 @@ mod ipc_deps {
 	pub use nanoipc::{GuardedSocket, NanoSocket, generic_client, fast_client};
 	pub use ipc::IpcSocket;
 	pub use ipc::binary::serialize;
+	pub use light::remote::LightProviderClient;
 }
 
 #[cfg(feature="ipc")]
@@ -124,6 +133,7 @@ pub fn sync
 		net_cfg: NetworkConfiguration,
 		_client: Arc<BlockChainClient>,
 		_snapshot_service: Arc<SnapshotService>,
+		_provider: Arc<Provider>,		
 		log_settings: &LogConfig,
 	)
 	-> Result<SyncModules, NetworkError>
@@ -141,7 +151,9 @@ pub fn sync
 		&service_urls::with_base(&hypervisor.io_path, service_urls::SYNC_NOTIFY)).unwrap();
 	let manage_client = generic_client::<NetworkManagerClient<_>>(
 		&service_urls::with_base(&hypervisor.io_path, service_urls::NETWORK_MANAGER)).unwrap();
-
+	let provider_client = generic_client::<LightProviderClient<_>>(
+		&service_urls::with_base(&hypervisor.io_path, service_urls::LIGHT_PROVIDER)).unwrap();
+		
 	*hypervisor_ref = Some(hypervisor);
 	Ok((sync_client, manage_client, notify_client))
 }
@@ -154,10 +166,18 @@ pub fn sync
 		net_cfg: NetworkConfiguration,
 		client: Arc<BlockChainClient>,
 		snapshot_service: Arc<SnapshotService>,
+		provider: Arc<Provider>,		
 		_log_settings: &LogConfig,
 	)
 	-> Result<SyncModules, NetworkError>
 {
-	let eth_sync = try!(EthSync::new(sync_cfg, client, snapshot_service, net_cfg));
+	let eth_sync = try!(EthSync::new(Params {
+		config: sync_cfg, 
+		chain: client,
+		provider: provider,
+		snapshot_service: snapshot_service, 
+		network_config: net_cfg,
+	}));
+
 	Ok((eth_sync.clone() as Arc<SyncProvider>, eth_sync.clone() as Arc<ManageNetwork>, eth_sync.clone() as Arc<ChainNotify>))
 }

parity/run.rs

@@ -93,6 +93,7 @@ pub struct RunCmd {
 	pub no_periodic_snapshot: bool,
 	pub check_seal: bool,
 	pub download_old_blocks: bool,
+	pub serve_light: bool,
 	pub verifier_settings: VerifierSettings,
 }
 
@@ -187,6 +188,11 @@ pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<(), String> {
 	);
 	info!("Operating mode: {}", Colour::White.bold().paint(format!("{}", mode)));
 
+	if cmd.serve_light {
+		info!("Configured to serve light client peers. Please note this feature is {}.",
+			Colour::White.bold().paint("experimental".to_string()));
+	}
+
 	// display warning about using experimental journaldb alorithm
 	if !algorithm.is_stable() {
 		warn!("Your chosen strategy is {}! You can re-run with --pruning to change.", Colour::Red.bold().paint("unstable"));
@@ -206,6 +212,7 @@ pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<(), String> {
 	sync_config.fork_block = spec.fork_block();
 	sync_config.warp_sync = cmd.warp_sync;
 	sync_config.download_old_blocks = cmd.download_old_blocks;
+	sync_config.serve_light = cmd.serve_light;
 
 	let passwords = try!(passwords_from_files(&cmd.acc_conf.password_files));
 
@@ -283,7 +290,13 @@ pub fn execute(cmd: RunCmd, logger: Arc<RotatingLogger>) -> Result<(), String> {
 
 	// create sync object
 	let (sync_provider, manage_network, chain_notify) = try!(modules::sync(
-		&mut hypervisor, sync_config, net_conf.into(), client.clone(), snapshot_service.clone(), &cmd.logger_config,
+		&mut hypervisor, 
+		sync_config, 
+		net_conf.into(), 
+		client.clone(), 
+		snapshot_service.clone(), 
+		client.clone(), 
+		&cmd.logger_config,
 	).map_err(|e| format!("Sync error: {}", e)));
 
 	service.add_notify(chain_notify.clone());

parity/sync.rs

@@ -22,6 +22,7 @@ use hypervisor::{SYNC_MODULE_ID, HYPERVISOR_IPC_URL, ControlService};
 use ethcore::client::ChainNotify;
 use ethcore::client::remote::RemoteClient;
 use ethcore::snapshot::remote::RemoteSnapshotService;
+use light::remote::LightProviderClient;
 use ethsync::{SyncProvider, EthSync, ManageNetwork, ServiceConfiguration};
 use modules::service_urls;
 use boot;
@@ -48,8 +49,15 @@ pub fn main() {
 
 	let remote_client = dependency!(RemoteClient, &service_urls::with_base(&service_config.io_path, service_urls::CLIENT));
 	let remote_snapshot = dependency!(RemoteSnapshotService, &service_urls::with_base(&service_config.io_path, service_urls::SNAPSHOT));
+	let remote_provider = dependency!(LightProviderClient, &service_urls::with_base(&service_config.io_path, service_urls::LIGHT_PROVIDER));
 
-	let sync = EthSync::new(service_config.sync, remote_client.service().clone(), remote_snapshot.service().clone(), service_config.net).unwrap();
+	let sync = EthSync::new(Params {
+		config: service_config.sync, 
+		chain: remote_client.service().clone(), 
+		snapshot_service: remote_snapshot.service().clone(), 
+		provider: remote_provider.service().clone(),
+		network_config: service_config.net
+	}).unwrap();
 
 	let _ = boot::main_thread();
 	let service_stop = Arc::new(AtomicBool::new(false));