Spec name; uncle reward calculation fixed

res/ethereum/frontier.json

@@ -1,4 +1,5 @@
 {
+	"name": "Frontier",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x00",

res/ethereum/frontier_test.json

@@ -1,4 +1,5 @@
 {
+	"engineName": "Frontier (Test)",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x00",

res/ethereum/homestead_test.json

@@ -1,4 +1,5 @@
 {
+	"name": "Homestead (Test)",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x00",

res/ethereum/morden.json

@@ -1,4 +1,5 @@
 {
+	"name": "Morden",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x0100000",

res/ethereum/olympic.json

@@ -1,4 +1,5 @@
 {
+	"name": "Olympic",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x00",

res/null_morden.json

@@ -1,4 +1,5 @@
 {
+	"name": "Morden",
 	"engineName": "NullEngine",
 	"params": {
 		"accountStartNonce": "0x0100000",

src/bin/client.rs

@@ -1,15 +1,34 @@
 extern crate ethcore_util as util;
 extern crate ethcore;
 extern crate rustc_serialize;
+extern crate log;
 extern crate env_logger;
 
 use std::io::*;
+use std::env;
+use log::{LogRecord, LogLevelFilter};
+use env_logger::LogBuilder;
 use util::hash::*;
 use ethcore::service::ClientService;
 use ethcore::ethereum;
 
+fn setup_log() {
+	let format = |record: &LogRecord| {
+		format!("{} - {}", record.level(), record.args())
+	};
+
+	let mut builder = LogBuilder::new();
+	builder.format(format).filter(None, LogLevelFilter::Info);
+
+	if env::var("RUST_LOG").is_ok() {
+		builder.parse(&env::var("RUST_LOG").unwrap());
+	}
+
+	builder.init().unwrap();
+}
+
 fn main() {
-	::env_logger::init().ok();
+	setup_log();
 	let spec = ethereum::new_frontier();
 	let mut _service = ClientService::start(spec).unwrap();
 	loop {

src/block.rs

@@ -297,7 +297,7 @@ fn enact_block() {
 
 	let mut db = OverlayDB::new_temp();
 	engine.spec().ensure_db_good(&mut db);
-	let e = enact(&orig_bytes, engine.deref(), db, &genesis_header, &vec![genesis_header.hash()]).unwrap();
+	let e = enact_and_seal(&orig_bytes, engine.deref(), db, &genesis_header, &vec![genesis_header.hash()]).unwrap();
 
 	assert_eq!(e.rlp_bytes(), orig_bytes);
 	

src/client.rs

@@ -113,6 +113,7 @@ impl Client {
 		let db = DB::open_default(state_path.to_str().unwrap()).unwrap();
 		let mut state_db = OverlayDB::new(db);
 		engine.spec().ensure_db_good(&mut state_db);
+		state_db.commit().expect("Error commiting genesis state to state DB");
 
 		Ok(Client {
 			chain: chain.clone(),
@@ -161,6 +162,7 @@ impl Client {
 		};
 		if let Err(e) = verify_block_final(&header, result.block().header()) {
 			warn!(target: "client", "Stage 4 block verification failed for {}\nError: {:?}", header.hash(), e);
+			return;
 		}
 
 		self.chain.write().unwrap().insert_block(&bytes); //TODO: err here?

src/ethereum/ethash.rs

@@ -41,8 +41,9 @@ impl Engine for Ethash {
 		// Bestow uncle rewards
 		let current_number = fields.header.number();
 		for u in fields.uncles.iter() {
-			fields.state.add_balance(u.author(), &(reward * U256::from((8 + u.number() - current_number) / 8)));
+			fields.state.add_balance(u.author(), &(reward * U256::from(8 + u.number() - current_number) / U256::from(8)));
 		}
+		fields.state.commit();
 	}
 
 
@@ -128,4 +129,23 @@ fn on_close_block() {
 	assert_eq!(b.state().balance(&Address::zero()), U256::from_str("4563918244f40000").unwrap());
 }
 
+#[test]
+fn on_close_block_with_uncle() {
+	use super::*;
+	let engine = new_morden().to_engine().unwrap();
+	let genesis_header = engine.spec().genesis_header();
+	let mut db = OverlayDB::new_temp();
+	engine.spec().ensure_db_good(&mut db);
+	let last_hashes = vec![genesis_header.hash()];
+	let mut b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
+	let mut uncle = Header::new();
+	let uncle_author = address_from_hex("ef2d6d194084c2de36e0dabfce45d046b37d1106");
+	uncle.author = uncle_author.clone();
+	b.push_uncle(uncle).unwrap();
+	
+	let b = b.close();
+	assert_eq!(b.state().balance(&Address::zero()), U256::from_str("478eae0e571ba000").unwrap());
+	assert_eq!(b.state().balance(&uncle_author), U256::from_str("3cb71f51fc558000").unwrap());
+}
+
 // TODO: difficulty test

src/service.rs

@@ -20,6 +20,7 @@ impl ClientService {
 	pub fn start(spec: Spec) -> Result<ClientService, Error> {
 		let mut net_service = try!(NetworkService::start());
 		info!("Starting {}", net_service.host_info());
+		info!("Configured for {} using {} engine", spec.name, spec.engine_name);
 		let mut dir = env::home_dir().unwrap();
 		dir.push(".parity");
 		dir.push(H64::from(spec.genesis_header().hash()).hex());

src/spec.rs

@@ -65,6 +65,8 @@ impl GenesisAccount {
 /// chain and those to be interpreted by the active chain engine.
 #[derive(Debug)]
 pub struct Spec {
+	// User friendly spec name
+	pub name: String,
 	// What engine are we using for this?
 	pub engine_name: String,
 
@@ -196,6 +198,7 @@ impl FromJson for Spec {
 
 		
 		Spec {
+			name: json["name"].as_string().unwrap().to_string(),
 			engine_name: json["engineName"].as_string().unwrap().to_string(),
 			engine_params: json_to_rlp_map(&json["params"]),
 			builtins: builtins,
@@ -218,12 +221,17 @@ impl Spec {
 	/// Ensure that the given state DB has the trie nodes in for the genesis state.
 	pub fn ensure_db_good(&self, db: &mut HashDB) {
 		if !db.contains(&self.state_root()) {
+			info!("Populating genesis state...");
 			let mut root = H256::new(); 
+			{
 				let mut t = SecTrieDBMut::new(db, &mut root);
 				for (address, account) in self.genesis_state.iter() {
 					t.insert(address.as_slice(), &account.rlp());
 				}
 			}
+			assert!(db.contains(&self.state_root()));
+			info!("Genesis state is ready");
+		}
 	}
 
 	/// Create a new Spec from a JSON UTF-8 data resource `data`.

src/sync/tests.rs

@@ -187,7 +187,7 @@ impl<'p> TestIo<'p> {
 }
 
 impl<'p> SyncIo for TestIo<'p> {
-	fn disable_peer(&mut self, _peer_id: &PeerId) {
+	fn disable_peer(&mut self, _peer_id: PeerId) {
 	}
 
 	fn respond(&mut self, packet_id: PacketId, data: Vec<u8>) -> Result<(), UtilError> {
@@ -257,7 +257,7 @@ impl TestNet {
 			for client in 0..self.peers.len() {
 				if peer != client {
 					let mut p = self.peers.get_mut(peer).unwrap();
-					p.sync.on_peer_connected(&mut TestIo::new(&mut p.chain, &mut p.queue, Some(client as PeerId)), &(client as PeerId));
+					p.sync.on_peer_connected(&mut TestIo::new(&mut p.chain, &mut p.queue, Some(client as PeerId)), client as PeerId);
 				}
 			}
 		}
@@ -269,7 +269,7 @@ impl TestNet {
 				Some(packet) => {
 					let mut p = self.peers.get_mut(packet.recipient).unwrap();
 					trace!("--- {} -> {} ---", peer, packet.recipient);
-					p.sync.on_packet(&mut TestIo::new(&mut p.chain, &mut p.queue, Some(peer as PeerId)), &(peer as PeerId), packet.packet_id, &packet.data);
+					p.sync.on_packet(&mut TestIo::new(&mut p.chain, &mut p.queue, Some(peer as PeerId)), peer as PeerId, packet.packet_id, &packet.data);
 					trace!("----------------");
 				},
 				None => {}