No block number in get work while in geth-compat mode. (#1821)

ethcore/src/client/test_client.rs

@@ -257,7 +257,7 @@ pub fn get_temp_journal_db() -> GuardedTempResult<Box<JournalDB>> {
 }
 
 impl MiningBlockChainClient for TestBlockChainClient {
-	fn prepare_open_block(&self, _author: Address, _gas_range_target: (U256, U256), _extra_data: Bytes) -> OpenBlock {
+	fn prepare_open_block(&self, author: Address, gas_range_target: (U256, U256), extra_data: Bytes) -> OpenBlock {
 		let engine = &self.spec.engine;
 		let genesis_header = self.spec.genesis_header();
 		let mut db_result = get_temp_journal_db();
@@ -265,7 +265,7 @@ impl MiningBlockChainClient for TestBlockChainClient {
 		self.spec.ensure_db_good(db.as_hashdb_mut());
 
 		let last_hashes = vec![genesis_header.hash()];
-		OpenBlock::new(
+		let mut open_block = OpenBlock::new(
 			engine.deref(),
 			self.vm_factory(),
 			Default::default(),
@@ -273,10 +273,13 @@ impl MiningBlockChainClient for TestBlockChainClient {
 			db,
 			&genesis_header,
 			last_hashes,
-			Address::zero(),
-			(3141562.into(), 31415620.into()),
-			vec![]
-		).expect("Opening block for tests will not fail.")
+			author,
+			gas_range_target,
+			extra_data
+		).expect("Opening block for tests will not fail.");
+		// TODO [todr] Override timestamp for predictability (set_timestamp_now kind of sucks)
+		open_block.set_timestamp(10_000_000);
+		open_block
 	}
 
 	fn vm_factory(&self) -> &EvmFactory {

parity/rpc_apis.rs

@@ -104,8 +104,8 @@ pub struct Dependencies {
 	pub external_miner: Arc<ExternalMiner>,
 	pub logger: Arc<RotatingLogger>,
 	pub settings: Arc<NetworkSettings>,
-	pub allow_pending_receipt_query: bool,
 	pub net_service: Arc<ManageNetwork>,
+	pub geth_compatibility: bool,
 }
 
 fn to_modules(apis: &[Api]) -> BTreeMap<String, String> {
@@ -163,7 +163,10 @@ pub fn setup_rpc<T: Extendable>(server: T, deps: Arc<Dependencies>, apis: ApiSet
 					&deps.secret_store,
 					&deps.miner,
 					&deps.external_miner,
-					deps.allow_pending_receipt_query
+					EthClientOptions {
+						allow_pending_receipt_query: !deps.geth_compatibility,
+						send_block_number_in_get_work: !deps.geth_compatibility,
+					}
 				);
 				server.add_delegate(client.to_delegate());
 

parity/run.rs

@@ -211,8 +211,8 @@ pub fn execute(cmd: RunCmd) -> Result<(), String> {
 		external_miner: external_miner.clone(),
 		logger: logger.clone(),
 		settings: Arc::new(cmd.net_settings.clone()),
-		allow_pending_receipt_query: !cmd.geth_compatibility,
-		net_service: manage_network.clone()
+		net_service: manage_network.clone(),
+		geth_compatibility: cmd.geth_compatibility,
 	});
 
 	let dependencies = rpc::Dependencies {

rpc/src/v1/impls/eth.rs

@@ -47,6 +47,23 @@ use v1::helpers::CallRequest as CRequest;
 use v1::impls::{default_gas_price, dispatch_transaction, error_codes};
 use serde;
 
+/// Eth RPC options
+pub struct EthClientOptions {
+	/// Returns receipt from pending blocks
+	pub allow_pending_receipt_query: bool,
+	/// Send additional block number when asking for work
+	pub send_block_number_in_get_work: bool,
+}
+
+impl Default for EthClientOptions {
+	fn default() -> Self {
+		EthClientOptions {
+			allow_pending_receipt_query: true,
+			send_block_number_in_get_work: true,
+		}
+	}
+}
+
 /// Eth rpc implementation.
 pub struct EthClient<C, S: ?Sized, M, EM> where
 	C: MiningBlockChainClient,
@@ -60,7 +77,7 @@ pub struct EthClient<C, S: ?Sized, M, EM> where
 	miner: Weak<M>,
 	external_miner: Arc<EM>,
 	seed_compute: Mutex<SeedHashCompute>,
-	allow_pending_receipt_query: bool,
+	options: EthClientOptions,
 }
 
 impl<C, S: ?Sized, M, EM> EthClient<C, S, M, EM> where
@@ -70,7 +87,7 @@ impl<C, S: ?Sized, M, EM> EthClient<C, S, M, EM> where
 	EM: ExternalMinerService {
 
 	/// Creates new EthClient.
-	pub fn new(client: &Arc<C>, sync: &Arc<S>, accounts: &Arc<AccountProvider>, miner: &Arc<M>, em: &Arc<EM>, allow_pending_receipt_query: bool)
+	pub fn new(client: &Arc<C>, sync: &Arc<S>, accounts: &Arc<AccountProvider>, miner: &Arc<M>, em: &Arc<EM>, options: EthClientOptions)
 		-> EthClient<C, S, M, EM> {
 		EthClient {
 			client: Arc::downgrade(client),
@@ -79,7 +96,7 @@ impl<C, S: ?Sized, M, EM> EthClient<C, S, M, EM> where
 			accounts: Arc::downgrade(accounts),
 			external_miner: em.clone(),
 			seed_compute: Mutex::new(SeedHashCompute::new()),
-			allow_pending_receipt_query: allow_pending_receipt_query,
+			options: options,
 		}
 	}
 
@@ -496,7 +513,7 @@ impl<C, S: ?Sized, M, EM> Eth for EthClient<C, S, M, EM> where
 				let miner = take_weak!(self.miner);
 				let hash: H256 = hash.into();
 				match miner.pending_receipts().get(&hash) {
-					Some(receipt) if self.allow_pending_receipt_query => to_value(&Receipt::from(receipt.clone())),
+					Some(receipt) if self.options.allow_pending_receipt_query => to_value(&Receipt::from(receipt.clone())),
 					_ => {
 						let client = take_weak!(self.client);
 						let receipt = client.transaction_receipt(TransactionID::Hash(hash));
@@ -582,8 +599,13 @@ impl<C, S: ?Sized, M, EM> Eth for EthClient<C, S, M, EM> where
 					let pow_hash = b.hash();
 					let target = Ethash::difficulty_to_boundary(b.block().header().difficulty());
 					let seed_hash = self.seed_compute.lock().get_seedhash(b.block().header().number());
-					let block_number = RpcU256::from(b.block().header().number());
-					to_value(&(RpcH256::from(pow_hash), RpcH256::from(seed_hash), RpcH256::from(target), block_number))
+
+					if self.options.send_block_number_in_get_work {
+						let block_number = RpcU256::from(b.block().header().number());
+						to_value(&(RpcH256::from(pow_hash), RpcH256::from(seed_hash), RpcH256::from(target), block_number))
+					} else {
+						to_value(&(RpcH256::from(pow_hash), RpcH256::from(seed_hash), RpcH256::from(target)))
+					}
 				}).unwrap_or(Err(Error::internal_error()))	// no work found.
 			},
 			_ => Err(Error::invalid_params())

rpc/src/v1/impls/mod.rs

@@ -42,7 +42,7 @@ mod traces;
 mod rpc;
 
 pub use self::web3::Web3Client;
-pub use self::eth::EthClient;
+pub use self::eth::{EthClient, EthClientOptions};
 pub use self::eth_filter::EthFilterClient;
 pub use self::eth_signing::{EthSigningUnsafeClient, EthSigningQueueClient};
 pub use self::net::NetClient;

rpc/src/v1/tests/eth.rs

@@ -121,7 +121,7 @@ impl EthTester {
 			&account_provider,
 			&miner_service,
 			&external_miner,
-			true
+			Default::default(),
 		);
 		let eth_sign = EthSigningUnsafeClient::new(
 			&client,

rpc/src/v1/tests/helpers/miner_service.rs

@@ -181,8 +181,9 @@ impl MinerService for TestMinerService {
 		unimplemented!();
 	}
 
-	fn map_sealing_work<F, T>(&self, _chain: &MiningBlockChainClient, _f: F) -> Option<T> where F: FnOnce(&ClosedBlock) -> T {
-		None
+	fn map_sealing_work<F, T>(&self, chain: &MiningBlockChainClient, f: F) -> Option<T> where F: FnOnce(&ClosedBlock) -> T {
+		let open_block = chain.prepare_open_block(self.author(), *self.gas_range_target.write(), self.extra_data());
+		Some(f(&open_block.close()))
 	}
 
 	fn transaction(&self, hash: &H256) -> Option<SignedTransaction> {

rpc/src/v1/tests/mocked/eth.rs

@@ -29,7 +29,7 @@ use ethcore::receipt::LocalizedReceipt;
 use ethcore::transaction::{Transaction, Action};
 use ethcore::miner::{ExternalMiner, MinerService};
 use ethsync::SyncState;
-use v1::{Eth, EthClient, EthSigning, EthSigningUnsafeClient};
+use v1::{Eth, EthClient, EthClientOptions, EthSigning, EthSigningUnsafeClient};
 use v1::tests::helpers::{TestSyncProvider, Config, TestMinerService};
 use rustc_serialize::hex::ToHex;
 
@@ -64,13 +64,19 @@ struct EthTester {
 
 impl Default for EthTester {
 	fn default() -> Self {
+		Self::new_with_options(Default::default())
+	}
+}
+
+impl EthTester {
+	pub fn new_with_options(options: EthClientOptions) -> Self {
 		let client = blockchain_client();
 		let sync = sync_provider();
 		let ap = accounts_provider();
 		let miner = miner_service();
 		let hashrates = Arc::new(Mutex::new(HashMap::new()));
 		let external_miner = Arc::new(ExternalMiner::new(hashrates.clone()));
-		let eth = EthClient::new(&client, &sync, &ap, &miner, &external_miner, true).to_delegate();
+		let eth = EthClient::new(&client, &sync, &ap, &miner, &external_miner, options).to_delegate();
 		let sign = EthSigningUnsafeClient::new(&client, &ap, &miner).to_delegate();
 		let io = IoHandler::new();
 		io.add_delegate(eth);
@@ -790,15 +796,26 @@ fn returns_no_work_if_cant_mine() {
 }
 
 #[test]
-fn returns_error_if_can_mine_and_no_closed_block() {
-	use ethsync::{SyncState};
-
+fn returns_correct_work_package() {
 	let eth_tester = EthTester::default();
 	eth_tester.miner.set_author(Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap());
-	eth_tester.sync.status.write().state = SyncState::Idle;
 
 	let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
-	let response = r#"{"jsonrpc":"2.0","error":{"code":-32603,"message":"Internal error","data":null},"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":["0x3bbe93f74e7b97ae00784aeff8819c5cb600dd87e8b282a5d3446f3f871f0347","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000","0x01"],"id":1}"#;
+
+	assert_eq!(eth_tester.io.handle_request(request), Some(response.to_owned()));
+}
+
+#[test]
+fn should_not_return_block_number() {
+	let eth_tester = EthTester::new_with_options(EthClientOptions {
+		allow_pending_receipt_query: true,
+		send_block_number_in_get_work: false,
+	});
+	eth_tester.miner.set_author(Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap());
+
+	let request = r#"{"jsonrpc": "2.0", "method": "eth_getWork", "params": [], "id": 1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":["0x3bbe93f74e7b97ae00784aeff8819c5cb600dd87e8b282a5d3446f3f871f0347","0x0000000000000000000000000000000000000000000000000000000000000000","0x0000800000000000000000000000000000000000000000000000000000000000"],"id":1}"#;
 
 	assert_eq!(eth_tester.io.handle_request(request), Some(response.to_owned()));
 }