Merge pull request #687 from ethcore/pv63-receipts

PV63 receipts response

ethcore/src/client/client.rs

@@ -108,13 +108,13 @@ pub struct Client<V = CanonVerifier> where V: Verifier {
 	verifier: PhantomData<V>,
 }
 
-const HISTORY: u64 = 1000;
+const HISTORY: u64 = 1200;
 // DO NOT TOUCH THIS ANY MORE UNLESS YOU REALLY KNOW WHAT YOU'RE DOING.
 // Altering it will force a blanket DB update for *all* JournalDB-derived
 //   databases.
 // Instead, add/upgrade the version string of the individual JournalDB-derived database
 // of which you actually want force an upgrade.
-const CLIENT_DB_VER_STR: &'static str = "5.2";
+const CLIENT_DB_VER_STR: &'static str = "5.3";
 
 impl Client<CanonVerifier> {
 	/// Create a new client with given spec and DB path.
@@ -252,7 +252,7 @@ impl<V> Client<V> where V: Verifier {
 		// And convert tuples to keys
 		(map_to_vec(enacted), map_to_vec(retracted))
 	}
-	
+
 	/// This is triggered by a message coming from a block queue when the block is ready for insertion
 	pub fn import_verified_blocks(&self, io: &IoChannel<NetSyncMessage>) -> usize {
 		let max_blocks_to_import = 128;
@@ -505,12 +505,12 @@ impl<V> BlockChainClient for Client<V> where V: Verifier {
 		}
 	}
 
-	fn state_data(&self, _hash: &H256) -> Option<Bytes> {
-		None
+	fn state_data(&self, hash: &H256) -> Option<Bytes> {
+		self.state_db.lock().unwrap().state(hash)
 	}
 
-	fn block_receipts(&self, _hash: &H256) -> Option<Bytes> {
-		None
+	fn block_receipts(&self, hash: &H256) -> Option<Bytes> {
+		self.chain.block_receipts(hash).map(|receipts| rlp::encode(&receipts).to_vec())
 	}
 
 	fn import_block(&self, bytes: Bytes) -> ImportResult {

ethcore/src/client/test_client.rs

@@ -24,7 +24,9 @@ use header::{Header as BlockHeader, BlockNumber};
 use filter::Filter;
 use log_entry::LocalizedLogEntry;
 use receipt::Receipt;
+use extras::BlockReceipts;
 use error::{ImportResult};
+
 use block_queue::BlockQueueInfo;
 use block::{SealedBlock, ClosedBlock};
 
@@ -292,10 +294,10 @@ impl BlockChainClient for TestBlockChainClient {
 	fn block_receipts(&self, hash: &H256) -> Option<Bytes> {
 		// starts with 'f' ?
 		if *hash > H256::from("f000000000000000000000000000000000000000000000000000000000000000") {
-			let receipt = Receipt::new(
+			let receipt = BlockReceipts::new(vec![Receipt::new(
 				H256::zero(),
 				U256::zero(),
-				vec![]);
+				vec![])]);
 			let mut rlp = RlpStream::new();
 			rlp.append(&receipt);
 			return Some(rlp.out());

ethcore/src/tests/client.rs

@@ -35,6 +35,17 @@ fn imports_from_empty() {
 	client.flush_queue();
 }
 
+#[test]
+fn returns_state_root_basic() {
+	let client_result = generate_dummy_client(6);
+	let client = client_result.reference();
+	let test_spec = get_test_spec();
+	let test_engine = test_spec.to_engine().unwrap();
+	let state_root = test_engine.spec().genesis_header().state_root;
+
+	assert!(client.state_data(&state_root).is_some());
+}
+
 #[test]
 fn imports_good_block() {
 	let dir = RandomTempPath::new();