Miner process wait until sync. Fix #185

grin/src/adapters.rs

@@ -167,8 +167,11 @@ impl NetAdapter for NetToChainAdapter {
 	/// Find good peers we know with the provided capability and return their
 	/// addresses.
 	fn find_peer_addrs(&self, capab: p2p::Capabilities) -> Vec<SocketAddr> {
-		let peers = self.peer_store
-			.find_peers(State::Healthy, capab, p2p::MAX_PEER_ADDRS as usize);
+		let peers = self.peer_store.find_peers(
+			State::Healthy,
+			capab,
+			p2p::MAX_PEER_ADDRS as usize,
+		);
 		debug!(LOGGER, "Got {} peer addrs to send.", peers.len());
 		map_vec!(peers, |p| p.addr)
 	}
@@ -210,10 +213,11 @@ impl NetAdapter for NetToChainAdapter {
 }
 
 impl NetToChainAdapter {
-	pub fn new(chain_ref: Arc<chain::Chain>,
+	pub fn new(
+		chain_ref: Arc<chain::Chain>,
 		tx_pool: Arc<RwLock<pool::TransactionPool<PoolToChainAdapter>>>,
-	           peer_store: Arc<PeerStore>)
-	           -> NetToChainAdapter {
+		peer_store: Arc<PeerStore>,
+	) -> NetToChainAdapter {
 		NetToChainAdapter {
 			chain: chain_ref,
 			peer_store: peer_store,
@@ -227,19 +231,15 @@ impl NetToChainAdapter {
 	pub fn start_sync(&self, sync: sync::Syncer) {
 		let arc_sync = Arc::new(sync);
 		self.syncer.init(arc_sync.clone());
-		let spawn_result = thread::Builder::new()
-			.name("syncer".to_string())
-			.spawn(move || {
-				let sync_run_result = arc_sync.run();
-				match sync_run_result {
-					Ok(_) => {}
-					Err(_) => {}
-				}
-			});
-		match spawn_result {
-			Ok(_) => {}
-			Err(_) => {}
+		let _ = thread::Builder::new().name("syncer".to_string()).spawn(
+			move || {
+				let _ = arc_sync.run();
+			},
+		);
 	}
+
+	pub fn syncing(&self) -> bool {
+		self.syncer.borrow().syncing()
 	}
 
 	/// Prepare options for the chain pipeline
@@ -284,8 +284,9 @@ impl ChainAdapter for ChainToPoolAndNetAdapter {
 }
 
 impl ChainToPoolAndNetAdapter {
-	pub fn new(tx_pool: Arc<RwLock<pool::TransactionPool<PoolToChainAdapter>>>)
-	           -> ChainToPoolAndNetAdapter {
+	pub fn new(
+		tx_pool: Arc<RwLock<pool::TransactionPool<PoolToChainAdapter>>>,
+	) -> ChainToPoolAndNetAdapter {
 		ChainToPoolAndNetAdapter {
 			tx_pool: tx_pool,
 			p2p: OneTime::new(),
@@ -317,19 +318,19 @@ impl PoolToChainAdapter {
 
 impl pool::BlockChain for PoolToChainAdapter {
 	fn get_unspent(&self, output_ref: &Commitment) -> Result<Output, pool::PoolError> {
-		self.chain
-			.borrow()
-			.get_unspent(output_ref)
-			.map_err(|e| match e {
+		self.chain.borrow().get_unspent(output_ref).map_err(
+			|e| match e {
 				chain::types::Error::OutputNotFound => pool::PoolError::OutputNotFound,
 				chain::types::Error::OutputSpent => pool::PoolError::OutputSpent,
 				_ => pool::PoolError::GenericPoolError,
-			})
+			},
+		)
 	}
 
-	fn get_block_header_by_output_commit(&self,
-	                                     commit: &Commitment)
-	                                     -> Result<BlockHeader, pool::PoolError> {
+	fn get_block_header_by_output_commit(
+		&self,
+		commit: &Commitment,
+	) -> Result<BlockHeader, pool::PoolError> {
 		self.chain
 			.borrow()
 			.get_block_header_by_output_commit(commit)
@@ -337,9 +338,8 @@ impl pool::BlockChain for PoolToChainAdapter {
 	}
 
 	fn head_header(&self) -> Result<BlockHeader, pool::PoolError> {
-		self.chain
-			.borrow()
-			.head_header()
-			.map_err(|_| pool::PoolError::GenericPoolError)
+		self.chain.borrow().head_header().map_err(|_| {
+			pool::PoolError::GenericPoolError
+		})
 	}
 }

grin/src/seed.rs

@@ -45,10 +45,11 @@ pub struct Seeder {
 }
 
 impl Seeder {
-	pub fn new(capabilities: p2p::Capabilities,
+	pub fn new(
+		capabilities: p2p::Capabilities,
 		peer_store: Arc<p2p::PeerStore>,
-	           p2p: Arc<p2p::Server>)
-	           -> Seeder {
+		p2p: Arc<p2p::Server>,
+	) -> Seeder {
 		Seeder {
 			peer_store: peer_store,
 			p2p: p2p,
@@ -56,17 +57,20 @@ impl Seeder {
 		}
 	}
 
-	pub fn connect_and_monitor(&self,
+	pub fn connect_and_monitor(
+		&self,
 		h: reactor::Handle,
-	                           seed_list: Box<Future<Item = Vec<SocketAddr>, Error = String>>) {
+		seed_list: Box<Future<Item = Vec<SocketAddr>, Error = String>>,
+	) {
 		// open a channel with a listener that connects every peer address sent below
 		// max peer count
 		let (tx, rx) = futures::sync::mpsc::unbounded();
 		h.spawn(self.listen_for_addrs(h.clone(), rx));
 
 		// check seeds and start monitoring connections
-		let seeder = self.connect_to_seeds(tx.clone(), seed_list)
-			.join(self.monitor_peers(tx.clone()));
+		let seeder = self.connect_to_seeds(tx.clone(), seed_list).join(
+			self.monitor_peers(tx.clone()),
+		);
 
 		h.spawn(seeder.map(|_| ()).map_err(|e| {
 			error!(LOGGER, "Seeding or peer monitoring error: {}", e);
@@ -74,9 +78,10 @@ impl Seeder {
 		}));
 	}
 
-	fn monitor_peers(&self,
-	                 tx: mpsc::UnboundedSender<SocketAddr>)
-	                 -> Box<Future<Item = (), Error = String>> {
+	fn monitor_peers(
+		&self,
+		tx: mpsc::UnboundedSender<SocketAddr>,
+	) -> Box<Future<Item = (), Error = String>> {
 		let peer_store = self.peer_store.clone();
 		let p2p_server = self.p2p.clone();
 
@@ -92,8 +97,8 @@ impl Seeder {
 				for p in disconnected {
 					if p.is_banned() {
 						debug!(LOGGER, "Marking peer {} as banned.", p.info.addr);
-						let update_result = peer_store
-							.update_state(p.info.addr, p2p::State::Banned);
+						let update_result =
+							peer_store.update_state(p.info.addr, p2p::State::Banned);
 						match update_result {
 							Ok(()) => {}
 							Err(_) => {}
@@ -131,10 +136,11 @@ impl Seeder {
 
 	// Check if we have any pre-existing peer in db. If so, start with those,
 	// otherwise use the seeds provided.
-	fn connect_to_seeds(&self,
+	fn connect_to_seeds(
+		&self,
 		tx: mpsc::UnboundedSender<SocketAddr>,
-	                    seed_list: Box<Future<Item = Vec<SocketAddr>, Error = String>>)
-	                    -> Box<Future<Item = (), Error = String>> {
+		seed_list: Box<Future<Item = Vec<SocketAddr>, Error = String>>,
+	) -> Box<Future<Item = (), Error = String>> {
 		let peer_store = self.peer_store.clone();
 
 		// a thread pool is required so we don't block the event loop with a
@@ -178,10 +184,11 @@ impl Seeder {
 	/// addresses to and initiate a connection if the max peer count isn't
 	/// exceeded. A request for more peers is also automatically sent after
 	/// connection.
-	fn listen_for_addrs(&self,
+	fn listen_for_addrs(
+		&self,
 		h: reactor::Handle,
-	                    rx: mpsc::UnboundedReceiver<SocketAddr>)
-	                    -> Box<Future<Item = (), Error = ()>> {
+		rx: mpsc::UnboundedReceiver<SocketAddr>,
+	) -> Box<Future<Item = (), Error = ()>> {
 		let capab = self.capabilities;
 		let p2p_store = self.peer_store.clone();
 		let p2p_server = self.p2p.clone();
@@ -224,10 +231,8 @@ pub fn web_seeds(h: reactor::Handle) -> Box<Future<Item = Vec<SocketAddr>, Error
 			})
 			.and_then(|res| {
 				// collect all chunks and split around whitespace to get a list of SocketAddr
-				res.body()
-					.collect()
-					.map_err(|e| e.to_string())
-					.and_then(|chunks| {
+				res.body().collect().map_err(|e| e.to_string()).and_then(
+					|chunks| {
 						let res = chunks.iter().fold("".to_string(), |acc, ref chunk| {
 							acc + str::from_utf8(&chunk[..]).unwrap()
 						});
@@ -235,7 +240,8 @@ pub fn web_seeds(h: reactor::Handle) -> Box<Future<Item = Vec<SocketAddr>, Error
 							.map(|s| s.parse().unwrap())
 							.collect::<Vec<_>>();
 						Ok(addrs)
-					})
+					},
+				)
 			})
 	});
 	Box::new(seeds)
@@ -243,8 +249,9 @@ pub fn web_seeds(h: reactor::Handle) -> Box<Future<Item = Vec<SocketAddr>, Error
 
 /// Convenience function when the seed list is immediately known. Mostly used
 /// for tests.
-pub fn predefined_seeds(addrs_str: Vec<String>)
-                        -> Box<Future<Item = Vec<SocketAddr>, Error = String>> {
+pub fn predefined_seeds(
+	addrs_str: Vec<String>,
+) -> Box<Future<Item = Vec<SocketAddr>, Error = String>> {
 	let seeds = future::ok(()).and_then(move |_| {
 		Ok(
 			addrs_str
@@ -256,12 +263,13 @@ pub fn predefined_seeds(addrs_str: Vec<String>)
 	Box::new(seeds)
 }
 
-fn connect_and_req(capab: p2p::Capabilities,
+fn connect_and_req(
+	capab: p2p::Capabilities,
 	peer_store: Arc<p2p::PeerStore>,
 	p2p: Arc<p2p::Server>,
 	h: reactor::Handle,
-                   addr: SocketAddr)
-                   -> Box<Future<Item = (), Error = ()>> {
+	addr: SocketAddr,
+) -> Box<Future<Item = (), Error = ()>> {
 	let fut = p2p.connect_peer(addr, h).then(move |p| {
 		match p {
 			Ok(Some(p)) => {

grin/src/server.rs

@@ -51,6 +51,7 @@ pub struct Server {
 	chain: Arc<chain::Chain>,
 	/// in-memory transaction pool
 	tx_pool: Arc<RwLock<pool::TransactionPool<PoolToChainAdapter>>>,
+	net_adapter: Arc<NetToChainAdapter>,
 }
 
 impl Server {
@@ -148,6 +149,7 @@ impl Server {
 			p2p: p2p_server,
 			chain: shared_chain,
 			tx_pool: tx_pool,
+			net_adapter: net_adapter,
 		})
 	}
 
@@ -173,10 +175,17 @@ impl Server {
 	pub fn start_miner(&self, config: pow::types::MinerConfig) {
 		let cuckoo_size = global::sizeshift();
 		let proof_size = global::proofsize();
+		let net_adapter = self.net_adapter.clone();
 
 		let mut miner = miner::Miner::new(config.clone(), self.chain.clone(), self.tx_pool.clone());
 		miner.set_debug_output_id(format!("Port {}", self.config.p2p_config.unwrap().port));
-		thread::spawn(move || { miner.run_loop(config.clone(), cuckoo_size as u32, proof_size); });
+		thread::spawn(move || {
+			let secs_5 = time::Duration::from_secs(5);
+			while net_adapter.syncing() {
+				thread::sleep(secs_5);
+			}
+			miner.run_loop(config.clone(), cuckoo_size as u32, proof_size);
+		});
 	}
 
 	/// The chain head

grin/src/sync.rs

@@ -146,12 +146,16 @@ impl Syncer {
 
 		// clean up potentially dead downloads
 		let twenty_sec_ago = Instant::now() - Duration::from_secs(20);
-		let too_old_pos = (0..blocks_downloading.len()).filter(|p| {
-			blocks_downloading[*p].1 < twenty_sec_ago
-		}).collect::<Vec<_>>();
+		let too_old_pos = (0..blocks_downloading.len())
+			.filter(|p| blocks_downloading[*p].1 < twenty_sec_ago)
+			.collect::<Vec<_>>();
 		for too_old in too_old_pos {
 			let block_h = blocks_downloading.remove(too_old);
-			debug!(LOGGER, "Download request expired for {}, will re-issue.", block_h.0);
+			debug!(
+				LOGGER,
+				"Download request expired for {}, will re-issue.",
+				block_h.0
+			);
 			blocks_to_download.insert(0, block_h.0);
 		}
 

pow/Cargo.toml

@@ -21,7 +21,7 @@ git = "https://github.com/mimblewimble/cuckoo-miner"
 tag="grin_integration_14"
 #path = "../../cuckoo-miner"
 #uncomment this feature to turn off plugin builds
-#features=["no-plugin-build"]
+features=["no-plugin-build"]
 #uncomment this feature to enable cuda builds (cuda toolkit must be installed)
 #features=["build-cuda-plugins"]