jsonrpc uses client and sync interfaces as a preparetion for jsonrpc tests

sync/src/tests/helpers.rs

@@ -25,6 +25,7 @@ use ethcore::receipt::Receipt;
 use ethcore::transaction::LocalizedTransaction;
 use ethcore::filter::Filter;
 use ethcore::log_entry::LocalizedLogEntry;
+use ethcore::block::ClosedBlock;
 
 pub struct TestBlockChainClient {
 	pub blocks: RwLock<HashMap<H256, Bytes>>,
@@ -125,6 +126,14 @@ impl BlockChainClient for TestBlockChainClient {
 		unimplemented!();
 	}
 
+	fn sealing_block(&self) -> &Mutex<Option<ClosedBlock>> {
+		unimplemented!();
+	}
+
+	fn submit_seal(&self, _pow_hash: H256, _seal: Vec<Bytes>) -> Result<(), Error> {
+		unimplemented!();
+	}
+
 	fn block_header(&self, id: BlockId) -> Option<Bytes> {
 		self.block_hash(id).and_then(|hash| self.blocks.read().unwrap().get(&hash).map(|r| Rlp::new(r).at(0).as_raw().to_vec()))
 	}