Complete version of tracing test with reward

ethcore/src/block.rs

@@ -453,7 +453,7 @@ impl<'x> OpenBlock<'x> {
 			s.block.header.set_transactions_root(ordered_trie_root(s.block.transactions.iter().map(|e| e.rlp_bytes().into_vec())));
 		}
 		let uncle_bytes = s.block.uncles.iter().fold(RlpStream::new_list(s.block.uncles.len()), |mut s, u| {s.append_raw(&u.rlp(Seal::With), 1); s} ).out();
-		if s.block.header.uncles_hash().is_zero() {
+		if s.block.header.uncles_hash().is_zero() || s.block.header.receipts_root() == &SHA3_NULL_RLP {
 			s.block.header.set_uncles_hash(uncle_bytes.sha3());
 		}
 		if s.block.header.receipts_root().is_zero() || s.block.header.receipts_root() == &SHA3_NULL_RLP {

ethcore/src/engines/null_engine.rs

@@ -76,6 +76,7 @@ impl Engine for NullEngine {
 			return Ok(CloseOutcome{trace: None});
 		}
 
+		/// Block reward
 		let fields = block.fields_mut();		
 		let mut tracer = ExecutiveTracer::default();
 
@@ -89,6 +90,18 @@ impl Engine for NullEngine {
 		let block_miner = fields.header.author().clone();
 		tracer.trace_reward(block_miner, result_block_reward, RewardType::Block);
 
+		/// Uncle rewards
+		let result_uncle_reward = U256::from(10000000);
+		for u in fields.uncles.iter() {
+			let uncle_miner = u.author().clone();
+			fields.state.add_balance(
+				u.author(),
+				&(result_uncle_reward),
+				CleanupMode::NoEmpty
+			)?;
+			tracer.trace_reward(uncle_miner, result_uncle_reward, RewardType::Uncle);
+		}
+
 		fields.state.commit()?;
 		match *fields.tracing_enabled {
 			true => Ok(CloseOutcome{trace: Some(tracer.traces())}),

ethcore/src/tests/trace.rs

@@ -30,37 +30,18 @@ use std::sync::Arc;
 use header::Header;
 use miner::Miner;
 use transaction::{Action, Transaction};
+use views::BlockView;
+use types::trace_types::trace::RewardType;
+use types::trace_types::trace::Action::Reward;
+use types::trace_types::localized::LocalizedTrace;
 
 #[test]
 fn can_trace_block_and_uncle_reward() {
 	let dir = RandomTempPath::new();
     let spec = Spec::new_test_with_reward();
     let engine = &*spec.engine;
-    let genesis_header = spec.genesis_header();    
-    let db = spec.ensure_db_good(get_temp_state_db(), &Default::default()).unwrap();	
-    let last_hashes = Arc::new(vec![genesis_header.hash()]);
-    let mut b = OpenBlock::new(engine, Default::default(), true, db, &genesis_header, last_hashes, Address::zero(), (3141562.into(), 31415620.into()), vec![], false).unwrap();
-
-	let kp = KeyPair::from_secret_slice(&"".sha3()).unwrap();
-	let mut n = 0;
-	for _ in 0..1 {
-			b.push_transaction(Transaction {
-				nonce: n.into(),
-				gas_price: 0.into(),
-				gas: 100000.into(),
-				action: Action::Create,
-				data: vec![],
-				value: U256::zero(),
-			}.sign(kp.secret(), Some(spec.network_id())), None).unwrap();
-			n += 1;
-	}
-
-    let mut uncle = Header::new();
-    let uncle_author: Address = "ef2d6d194084c2de36e0dabfce45d046b37d1106".into();
-    uncle.set_author(uncle_author);
-    //b.push_uncle(uncle).unwrap();
-    let b = b.close_and_lock().seal(engine, vec![]).unwrap();
 
+	/// Create client
 	let db_config = DatabaseConfig::with_columns(::db::NUM_COLUMNS);
 	let mut client_config = ClientConfig::default();
 	client_config.tracing.enabled = true;
@@ -73,21 +54,143 @@ fn can_trace_block_and_uncle_reward() {
 		IoChannel::disconnected(),
 	).unwrap();
 
-	let res = client.import_block(b.rlp_bytes());
+	/// Create test data
+    let genesis_header = spec.genesis_header();    
+    let mut db = spec.ensure_db_good(get_temp_state_db(), &Default::default()).unwrap();
+	let mut rolling_timestamp = 40;
+	let mut last_hashes = vec![];
+	let mut last_header = genesis_header.clone();
+	last_hashes.push(last_header.hash());
+
+	let kp = KeyPair::from_secret_slice(&"".sha3()).unwrap();
+	let author = kp.address();
+
+	/// Add root block first
+	let mut root_block = OpenBlock::new(
+			engine,
+			Default::default(),
+			false,
+			db,
+			&last_header,
+			Arc::new(last_hashes.clone()),
+			author.clone(),
+			(3141562.into(), 31415620.into()),
+			vec![],
+			false,
+		).unwrap();
+	root_block.set_difficulty(U256::from(0x20000));
+	rolling_timestamp += 10;
+	root_block.set_timestamp(rolling_timestamp);
+
+	let root_block = root_block.close_and_lock().seal(engine, vec![]).unwrap();	
+
+	if let Err(e) = client.import_block(root_block.rlp_bytes()) {
+		panic!("error importing block which is valid by definition: {:?}", e);
+	}
+
+	last_header = BlockView::new(&root_block.rlp_bytes()).header();
+	let root_header = last_header.clone();
+	db = root_block.drain();
+
+	last_hashes.push(last_header.hash());
+
+	/// Add parent block
+	let mut parent_block = OpenBlock::new(
+			engine,
+			Default::default(),
+			false,
+			db,
+			&last_header,
+			Arc::new(last_hashes.clone()),
+			author.clone(),
+			(3141562.into(), 31415620.into()),
+			vec![],
+			false,
+		).unwrap();
+	parent_block.set_difficulty(U256::from(0x20000));
+	rolling_timestamp += 10;
+	parent_block.set_timestamp(rolling_timestamp);
+
+	let parent_block = parent_block.close_and_lock().seal(engine, vec![]).unwrap();	
+
+	if let Err(e) = client.import_block(parent_block.rlp_bytes()) {
+		panic!("error importing block which is valid by definition: {:?}", e);
+	}
+
+	last_header = BlockView::new(&parent_block.rlp_bytes()).header();
+	db = parent_block.drain();
+
+	last_hashes.push(last_header.hash());
+
+	/// Add testing block with transactions and uncles
+    let mut block = OpenBlock::new(
+		engine, 
+		Default::default(), 
+		true, 
+		db, 
+		&last_header, 
+		Arc::new(last_hashes.clone()),
+		author.clone(),
+		(3141562.into(), 31415620.into()), 
+		vec![],
+		false
+		).unwrap();
+	block.set_difficulty(U256::from(0x20000));
+	rolling_timestamp += 10;
+	block.set_timestamp(rolling_timestamp);
+
+	let mut n = 0;
+	for _ in 0..1 {
+		block.push_transaction(Transaction {
+			nonce: n.into(),
+			gas_price: 10000.into(),
+			gas: 100000.into(),
+			action: Action::Create,
+			data: vec![],
+			value: U256::zero(),
+		}.sign(kp.secret(), Some(spec.network_id())), None).unwrap();
+		n += 1;
+	}
+
+    let mut uncle = Header::new();
+    let uncle_author: Address = "ef2d6d194084c2de36e0dabfce45d046b37d1106".into();
+    uncle.set_author(uncle_author);
+	uncle.set_parent_hash(root_header.hash());
+	uncle.set_gas_limit(U256::from(50_000));
+	uncle.set_number(root_header.number() + 1);
+	uncle.set_timestamp(rolling_timestamp);
+    block.push_uncle(uncle).unwrap();
+
+    let block = block.close_and_lock().seal(engine, vec![]).unwrap();
+
+	let res = client.import_block(block.rlp_bytes());
     if res.is_err() {
 		panic!("error importing block: {:#?}", res.err().unwrap());        
 	}
 
+	block.drain();
+    
 	client.flush_queue();
 	client.import_verified_blocks();
 
+    /// Filter the resuliting data
 	let filter = TraceFilter {
-			range: (BlockId::Number(1)..BlockId::Number(1)),
+			range: (BlockId::Number(1)..BlockId::Number(3)),
 			from_address: vec![],
 			to_address: vec![],
 		};
 
     let traces = client.filter_traces(filter);
-    assert!(traces.is_some(), "Genesis trace should be always present.");
+	assert!(traces.is_some(), "Traces should be present");
-    //panic!("Traces size is: {:#?}", traces.unwrap().len());    
+	let traces_vec = traces.unwrap();
+	let block_reward_traces: Vec<LocalizedTrace> = traces_vec.clone().into_iter().filter(|trace| match (trace).action {
+		Reward(ref a) => a.reward_type == RewardType::Block,
+		_ => false,
+	}).collect();
+	assert_eq!(block_reward_traces.len(), 3);
+	let uncle_reward_traces: Vec<LocalizedTrace> = traces_vec.clone().into_iter().filter(|trace| match (trace).action {
+		Reward(ref a) => a.reward_type == RewardType::Uncle,
+		_ => false,
+	}).collect();
+	assert_eq!(uncle_reward_traces.len(), 1);
 }