Merge branch 'master' into les-impl

sync/src/api.rs

@@ -42,7 +42,7 @@ pub struct SyncConfig {
 	/// Max blocks to download ahead
 	pub max_download_ahead_blocks: usize,
 	/// Network ID
-	pub network_id: U256,
+	pub network_id: usize,
 	/// Main "eth" subprotocol name.
 	pub subprotocol_name: [u8; 3],
 	/// Fork block to check
@@ -55,7 +55,7 @@ impl Default for SyncConfig {
 	fn default() -> SyncConfig {
 		SyncConfig {
 			max_download_ahead_blocks: 20000,
-			network_id: U256::from(1),
+			network_id: 1,
 			subprotocol_name: *b"eth",
 			fork_block: None,
 			warp_sync: false,
@@ -73,6 +73,9 @@ pub trait SyncProvider: Send + Sync {
 
 	/// Get peers information
 	fn peers(&self) -> Vec<PeerInfo>;
+    
+	/// Get the enode if available.
+	fn enode(&self) -> Option<String>;
 }
 
 /// Peer connection information
@@ -143,6 +146,10 @@ impl SyncProvider for EthSync {
 			self.handler.sync.write().peers(&sync_io)
 		}).unwrap_or(Vec::new())
 	}
+
+	fn enode(&self) -> Option<String> {
+		self.network.external_url()
+	}
 }
 
 struct SyncProtocolHandler {

sync/src/chain.rs

@@ -188,7 +188,7 @@ pub struct SyncStatus {
 	/// Syncing protocol version. That's the maximum protocol version we connect to.
 	pub protocol_version: u8,
 	/// The underlying p2p network version.
-	pub network_id: U256,
+	pub network_id: usize,
 	/// `BlockChain` height for the moment the sync started.
 	pub start_block_number: BlockNumber,
 	/// Last fully downloaded and imported block number (if any).
@@ -269,7 +269,7 @@ struct PeerInfo {
 	/// Peer chain genesis hash
 	genesis: H256,
 	/// Peer network id
-	network_id: U256,
+	network_id: usize,
 	/// Peer best block hash
 	latest_hash: H256,
 	/// Peer total difficulty if known
@@ -328,7 +328,7 @@ pub struct ChainSync {
 	/// Last propagated block number
 	last_sent_block_number: BlockNumber,
 	/// Network ID
-	network_id: U256,
+	network_id: usize,
 	/// Optional fork block to check
 	fork_block: Option<(BlockNumber, H256)>,
 	/// Snapshot downloader.
@@ -2145,7 +2145,7 @@ mod tests {
 			PeerInfo {
 				protocol_version: 0,
 				genesis: H256::zero(),
-				network_id: U256::zero(),
+				network_id: 0,
 				latest_hash: peer_latest_hash,
 				difficulty: None,
 				asking: PeerAsking::Nothing,