Merge remote-tracking branch 'origin/master' into cli-rpc

Cargo.lock

@@ -1363,7 +1363,7 @@ dependencies = [
 [[package]]
 name = "parity-ui-precompiled"
 version = "1.4.0"
-source = "git+https://github.com/ethcore/js-precompiled.git#a80a0c512cf569985ec1fffc5ea5ae70eb6c1e1f"
+source = "git+https://github.com/ethcore/js-precompiled.git#762c6d10f8640a6c4b875d776490282680bfe3e2"
 dependencies = [
  "parity-dapps-glue 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

ethcore/src/client/test_client.rs

@@ -90,6 +90,8 @@ pub struct TestBlockChainClient {
 	pub ancient_block: RwLock<Option<(H256, u64)>>,
 	/// First block info.
 	pub first_block: RwLock<Option<(H256, u64)>>,
+	/// Traces to return
+	pub traces: RwLock<Option<Vec<LocalizedTrace>>>,
 }
 
 /// Used for generating test client blocks.
@@ -151,6 +153,7 @@ impl TestBlockChainClient {
 			latest_block_timestamp: RwLock::new(10_000_000),
 			ancient_block: RwLock::new(None),
 			first_block: RwLock::new(None),
+			traces: RwLock::new(None),
 		};
 		client.add_blocks(1, EachBlockWith::Nothing); // add genesis block
 		client.genesis_hash = client.last_hash.read().clone();
@@ -654,19 +657,19 @@ impl BlockChainClient for TestBlockChainClient {
 	}
 
 	fn filter_traces(&self, _filter: TraceFilter) -> Option<Vec<LocalizedTrace>> {
-		unimplemented!();
+		self.traces.read().clone()
 	}
 
 	fn trace(&self, _trace: TraceId) -> Option<LocalizedTrace> {
-		unimplemented!();
+		self.traces.read().clone().and_then(|vec| vec.into_iter().next())
 	}
 
 	fn transaction_traces(&self, _trace: TransactionId) -> Option<Vec<LocalizedTrace>> {
-		unimplemented!();
+		self.traces.read().clone()
 	}
 
 	fn block_traces(&self, _trace: BlockId) -> Option<Vec<LocalizedTrace>> {
-		unimplemented!();
+		self.traces.read().clone()
 	}
 
 	fn queue_transactions(&self, transactions: Vec<Bytes>, _peer_id: usize) {

ethcore/src/engines/tendermint/mod.rs

@@ -661,10 +661,10 @@ mod tests {
 	use block::*;
 	use error::{Error, BlockError};
 	use header::Header;
+	use io::IoChannel;
 	use env_info::EnvInfo;
 	use tests::helpers::*;
 	use account_provider::AccountProvider;
-	use io::IoService;
 	use service::ClientIoMessage;
 	use spec::Spec;
 	use engines::{Engine, EngineError, Seal};
@@ -904,10 +904,9 @@ mod tests {
 		let proposal = Some(b.header().bare_hash());
 
 		// Register IoHandler remembers messages.
-		let io_service = IoService::<ClientIoMessage>::start().unwrap();
 		let test_io = TestIo::new();
-		io_service.register_handler(test_io.clone()).unwrap();
+		let channel = IoChannel::to_handler(Arc::downgrade(&(test_io.clone() as Arc<IoHandler<ClientIoMessage>>)));
-		engine.register_message_channel(io_service.channel());
+		engine.register_message_channel(channel);
 
 		let prevote_current = vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
 
@@ -915,9 +914,6 @@ mod tests {
 
 		let prevote_future = vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h + 1, r, Step::Prevote, proposal);
 
-		// Wait a bit for async stuff.
-		::std::thread::sleep(::std::time::Duration::from_millis(500));
-
 		// Relays all valid present and future messages.
 		assert!(test_io.received.read().contains(&ClientIoMessage::BroadcastMessage(prevote_current)));
 		assert!(test_io.received.read().contains(&ClientIoMessage::BroadcastMessage(precommit_current)));
@@ -941,9 +937,8 @@ mod tests {
 
 		// Register IoHandler remembers messages.
 		let test_io = TestIo::new();
-		let io_service = IoService::<ClientIoMessage>::start().unwrap();
+		let channel = IoChannel::to_handler(Arc::downgrade(&(test_io.clone() as Arc<IoHandler<ClientIoMessage>>)));
-		io_service.register_handler(test_io.clone()).unwrap();
+		engine.register_message_channel(channel);
-		engine.register_message_channel(io_service.channel());
 
 		// Propose
 		let (b, mut seal) = propose_default(&spec, v1.clone());
@@ -956,11 +951,12 @@ mod tests {
 		vote(&engine, |mh| tap.sign(v1, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
 		vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
 
-		// Wait a bit for async stuff.
-		::std::thread::sleep(::std::time::Duration::from_millis(500));
-
 		seal[2] = precommit_signatures(&tap, h, r, Some(b.header().bare_hash()), v1, v0);
-		assert!(test_io.received.read().contains(&ClientIoMessage::SubmitSeal(proposal.unwrap(), seal)));
+		let first = test_io.received.read().contains(&ClientIoMessage::SubmitSeal(proposal.unwrap(), seal.clone()));
+		seal[2] = precommit_signatures(&tap, h, r, Some(b.header().bare_hash()), v0, v1);
+		let second = test_io.received.read().contains(&ClientIoMessage::SubmitSeal(proposal.unwrap(), seal));
+
+		assert!(first ^ second);
 		engine.stop();
 	}
 }

ethcore/src/types/trace_types/localized.rs

@@ -21,7 +21,7 @@ use super::trace::{Action, Res};
 use header::BlockNumber;
 
 /// Localized trace.
-#[derive(Debug, PartialEq, Binary)]
+#[derive(Debug, PartialEq, Clone, Binary)]
 pub struct LocalizedTrace {
 	/// Type of action performed by a transaction.
 	pub action: Action,

js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "parity.js",
-  "version": "0.2.123",
+  "version": "0.2.124",
   "main": "release/index.js",
   "jsnext:main": "src/index.js",
   "author": "Parity Team <admin@parity.io>",

rpc/src/v1/impls/traces.rs

@@ -17,14 +17,14 @@
 //! Traces api implementation.
 
 use std::sync::{Weak, Arc};
-use jsonrpc_core::*;
-use serde;
 
 use rlp::{UntrustedRlp, View};
 use ethcore::client::{BlockChainClient, CallAnalytics, TransactionId, TraceId};
 use ethcore::miner::MinerService;
 use ethcore::transaction::{Transaction as EthTransaction, SignedTransaction, Action};
 
+use jsonrpc_core::Error;
+use jsonrpc_macros::Trailing;
 use v1::traits::Traces;
 use v1::helpers::{errors, CallRequest as CRequest};
 use v1::types::{TraceFilter, LocalizedTrace, BlockNumber, Index, CallRequest, Bytes, TraceResults, H256};
@@ -37,22 +37,6 @@ fn to_call_analytics(flags: Vec<String>) -> CallAnalytics {
 	}
 }
 
-/// Returns number of different parameters in given `Params` object.
-fn params_len(params: &Params) -> usize {
-	match params {
-		&Params::Array(ref vec) => vec.len(),
-		_ => 0,
-	}
-}
-
-/// Deserialize request parameters with optional third parameter `BlockNumber` defaulting to `BlockNumber::Latest`.
-fn from_params_default_third<F1, F2>(params: Params) -> Result<(F1, F2, BlockNumber, ), Error> where F1: serde::de::Deserialize, F2: serde::de::Deserialize {
-	match params_len(&params) {
-		2 => from_params::<(F1, F2, )>(params).map(|(f1, f2)| (f1, f2, BlockNumber::Latest)),
-		_ => from_params::<(F1, F2, BlockNumber)>(params)
-	}
-}
-
 /// Traces api implementation.
 pub struct TracesClient<C, M> where C: BlockChainClient, M: MinerService {
 	client: Weak<C>,
@@ -91,90 +75,77 @@ impl<C, M> TracesClient<C, M> where C: BlockChainClient, M: MinerService {
 }
 
 impl<C, M> Traces for TracesClient<C, M> where C: BlockChainClient + 'static, M: MinerService + 'static {
-	fn filter(&self, params: Params) -> Result<Value, Error> {
+	fn filter(&self, filter: TraceFilter) -> Result<Vec<LocalizedTrace>, Error> {
 		try!(self.active());
-		from_params::<(TraceFilter,)>(params)
+
-			.and_then(|(filter, )| {
+		let client = take_weak!(self.client);
-				let client = take_weak!(self.client);
+		let traces = client.filter_traces(filter.into());
-				let traces = client.filter_traces(filter.into());
+		let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect());
-				let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect());
+		Ok(traces)
-				Ok(to_value(&traces))
-			})
 	}
 
-	fn block_traces(&self, params: Params) -> Result<Value, Error> {
+	fn block_traces(&self, block_number: BlockNumber) -> Result<Vec<LocalizedTrace>, Error> {
 		try!(self.active());
-		from_params::<(BlockNumber,)>(params)
+		let client = take_weak!(self.client);
-			.and_then(|(block_number,)| {
+		let traces = client.block_traces(block_number.into());
-				let client = take_weak!(self.client);
+		let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect());
-				let traces = client.block_traces(block_number.into());
+		Ok(traces)
-				let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect());
-				Ok(to_value(&traces))
-			})
 	}
 
-	fn transaction_traces(&self, params: Params) -> Result<Value, Error> {
+	fn transaction_traces(&self, transaction_hash: H256) -> Result<Vec<LocalizedTrace>, Error> {
 		try!(self.active());
-		from_params::<(H256,)>(params)
+
-			.and_then(|(transaction_hash,)| {
+		let client = take_weak!(self.client);
-				let client = take_weak!(self.client);
+		let traces = client.transaction_traces(TransactionId::Hash(transaction_hash.into()));
-				let traces = client.transaction_traces(TransactionId::Hash(transaction_hash.into()));
+		let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect());
-				let traces = traces.map_or_else(Vec::new, |traces| traces.into_iter().map(LocalizedTrace::from).collect());
+		Ok(traces)
-				Ok(to_value(&traces))
-			})
 	}
 
-	fn trace(&self, params: Params) -> Result<Value, Error> {
+	fn trace(&self, transaction_hash: H256, address: Vec<Index>) -> Result<Option<LocalizedTrace>, Error> {
 		try!(self.active());
-		from_params::<(H256, Vec<Index>)>(params)
+		let client = take_weak!(self.client);
-			.and_then(|(transaction_hash, address)| {
+		let id = TraceId {
-				let client = take_weak!(self.client);
+			transaction: TransactionId::Hash(transaction_hash.into()),
-				let id = TraceId {
+			address: address.into_iter().map(|i| i.value()).collect()
-					transaction: TransactionId::Hash(transaction_hash.into()),
+		};
-					address: address.into_iter().map(|i| i.value()).collect()
+		let trace = client.trace(id);
-				};
+		let trace = trace.map(LocalizedTrace::from);
-				let trace = client.trace(id);
+
-				let trace = trace.map(LocalizedTrace::from);
+		Ok(trace)
-				Ok(to_value(&trace))
-			})
 	}
 
-	fn call(&self, params: Params) -> Result<Value, Error> {
+	fn call(&self, request: CallRequest, flags: Vec<String>, block: Trailing<BlockNumber>) -> Result<Option<TraceResults>, Error> {
 		try!(self.active());
-		from_params_default_third(params)
+		let block = block.0;
-			.and_then(|(request, flags, block)| {
+
-				let request = CallRequest::into(request);
+		let request = CallRequest::into(request);
-				let signed = try!(self.sign_call(request));
+		let signed = try!(self.sign_call(request));
-				match take_weak!(self.client).call(&signed, block.into(), to_call_analytics(flags)) {
+		Ok(match take_weak!(self.client).call(&signed, block.into(), to_call_analytics(flags)) {
-					Ok(e) => Ok(to_value(&TraceResults::from(e))),
+			Ok(e) => Some(TraceResults::from(e)),
-					_ => Ok(Value::Null),
+			_ => None,
-				}
+		})
-			})
 	}
 
-	fn raw_transaction(&self, params: Params) -> Result<Value, Error> {
+	fn raw_transaction(&self, raw_transaction: Bytes, flags: Vec<String>, block: Trailing<BlockNumber>) -> Result<Option<TraceResults>, Error> {
 		try!(self.active());
-		from_params_default_third(params)
+		let block = block.0;
-			.and_then(|(raw_transaction, flags, block)| {
+
-				let raw_transaction = Bytes::to_vec(raw_transaction);
+		let raw_transaction = Bytes::to_vec(raw_transaction);
-				match UntrustedRlp::new(&raw_transaction).as_val() {
+		match UntrustedRlp::new(&raw_transaction).as_val() {
-					Ok(signed) => match take_weak!(self.client).call(&signed, block.into(), to_call_analytics(flags)) {
+			Ok(signed) => Ok(match take_weak!(self.client).call(&signed, block.into(), to_call_analytics(flags)) {
-						Ok(e) => Ok(to_value(&TraceResults::from(e))),
+				Ok(e) => Some(TraceResults::from(e)),
-						_ => Ok(Value::Null),
+				_ => None,
-					},
+			}),
-					Err(e) => Err(errors::invalid_params("Transaction is not valid RLP", e)),
+			Err(e) => Err(errors::invalid_params("Transaction is not valid RLP", e)),
-				}
+		}
-			})
 	}
 
-	fn replay_transaction(&self, params: Params) -> Result<Value, Error> {
+	fn replay_transaction(&self, transaction_hash: H256, flags: Vec<String>) -> Result<Option<TraceResults>, Error> {
 		try!(self.active());
-		from_params::<(H256, _)>(params)
+
-			.and_then(|(transaction_hash, flags)| {
+		Ok(match take_weak!(self.client).replay(TransactionId::Hash(transaction_hash.into()), to_call_analytics(flags)) {
-				match take_weak!(self.client).replay(TransactionId::Hash(transaction_hash.into()), to_call_analytics(flags)) {
+			Ok(e) => Some(TraceResults::from(e)),
-					Ok(e) => Ok(to_value(&TraceResults::from(e))),
+			_ => None,
-					_ => Ok(Value::Null),
+		})
-				}
-			})
 	}
 }

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

@@ -18,13 +18,14 @@
 //! method calls properly.
 
 mod eth;
+mod manage_network;
 mod net;
-mod web3;
-mod personal;
 mod parity;
 mod parity_accounts;
 mod parity_set;
+mod personal;
 mod rpc;
 mod signer;
 mod signing;
-mod manage_network;
+mod traces;
+mod web3;

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

@@ -0,0 +1,145 @@
+// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+use std::sync::Arc;
+
+use ethcore::executed::{CallType, Executed};
+use ethcore::trace::trace::{Action, Res, Call};
+use ethcore::trace::LocalizedTrace;
+use ethcore::client::{TestBlockChainClient};
+
+use jsonrpc_core::{IoHandler, GenericIoHandler};
+use v1::tests::helpers::{TestMinerService};
+use v1::{Traces, TracesClient};
+
+struct Tester {
+	_client: Arc<TestBlockChainClient>,
+	_miner: Arc<TestMinerService>,
+	io: IoHandler,
+}
+
+fn io() -> Tester {
+	let client = Arc::new(TestBlockChainClient::new());
+	*client.traces.write() = Some(vec![LocalizedTrace {
+		action: Action::Call(Call {
+			from: 0xf.into(),
+			to: 0x10.into(),
+			value: 0x1.into(),
+			gas: 0x100.into(),
+			input: vec![1, 2, 3],
+			call_type: CallType::Call,
+		}),
+		result: Res::None,
+		subtraces: 0,
+		trace_address: vec![0],
+		transaction_number: 0,
+		transaction_hash: 5.into(),
+		block_number: 10,
+		block_hash: 10.into(),
+	}]);
+	*client.execution_result.write() = Some(Ok(Executed {
+		gas: 20_000.into(),
+		gas_used: 10_000.into(),
+		refunded: 0.into(),
+		cumulative_gas_used: 10_000.into(),
+		logs: vec![],
+		contracts_created: vec![],
+		output: vec![1, 2, 3],
+		trace: vec![],
+		vm_trace: None,
+		state_diff: None,
+	}));
+	let miner = Arc::new(TestMinerService::default());
+	let traces = TracesClient::new(&client, &miner);
+	let io = IoHandler::new();
+	io.add_delegate(traces.to_delegate());
+
+	Tester {
+		_client: client,
+		_miner: miner,
+		io: io,
+	}
+}
+
+#[test]
+fn rpc_trace_filter() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_filter","params": [{}],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":[{"action":{"callType":"call","from":"0x000000000000000000000000000000000000000f","gas":"0x100","input":"0x010203","to":"0x0000000000000000000000000000000000000010","value":"0x1"},"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000a","blockNumber":10,"result":null,"subtraces":0,"traceAddress":[0],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000005","transactionPosition":0,"type":"call"}],"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
+#[test]
+fn rpc_trace_block() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_block","params": ["0x10"],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":[{"action":{"callType":"call","from":"0x000000000000000000000000000000000000000f","gas":"0x100","input":"0x010203","to":"0x0000000000000000000000000000000000000010","value":"0x1"},"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000a","blockNumber":10,"result":null,"subtraces":0,"traceAddress":[0],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000005","transactionPosition":0,"type":"call"}],"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
+#[test]
+fn rpc_trace_transaction() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_transaction","params":["0x0000000000000000000000000000000000000000000000000000000000000005"],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":[{"action":{"callType":"call","from":"0x000000000000000000000000000000000000000f","gas":"0x100","input":"0x010203","to":"0x0000000000000000000000000000000000000010","value":"0x1"},"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000a","blockNumber":10,"result":null,"subtraces":0,"traceAddress":[0],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000005","transactionPosition":0,"type":"call"}],"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
+#[test]
+fn rpc_trace_get() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_get","params":["0x0000000000000000000000000000000000000000000000000000000000000005", ["0","0","0"]],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":{"action":{"callType":"call","from":"0x000000000000000000000000000000000000000f","gas":"0x100","input":"0x010203","to":"0x0000000000000000000000000000000000000010","value":"0x1"},"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000a","blockNumber":10,"result":null,"subtraces":0,"traceAddress":[0],"transactionHash":"0x0000000000000000000000000000000000000000000000000000000000000005","transactionPosition":0,"type":"call"},"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
+#[test]
+fn rpc_trace_call() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_call","params":[{}, ["stateDiff", "vmTrace", "trace"]],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":{"output":"0x010203","stateDiff":null,"trace":[],"vmTrace":null},"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
+#[test]
+fn rpc_trace_raw_transaction() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_rawTransaction","params":["0xf869018609184e72a0008276c094d46e8dd67c5d32be8058bb8eb970870f07244567849184e72a801ba0617f39c1a107b63302449c476d96a6cb17a5842fc98ff0c5bcf4d5c4d8166b95a009fdb6097c6196b9bbafc3a59f02f38d91baeef23d0c60a8e4f23c7714cea3a9", ["stateDiff", "vmTrace", "trace"]],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":{"output":"0x010203","stateDiff":null,"trace":[],"vmTrace":null},"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
+#[test]
+fn rpc_trace_replay_transaction() {
+	let tester = io();
+
+	let request = r#"{"jsonrpc":"2.0","method":"trace_replayTransaction","params":["0x0000000000000000000000000000000000000000000000000000000000000005", ["trace", "stateDiff", "vmTrace"]],"id":1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":{"output":"0x010203","stateDiff":null,"trace":[],"vmTrace":null},"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}

rpc/src/v1/traits/traces.rs

@@ -16,43 +16,39 @@
 
 //! Traces specific rpc interface.
 
-use std::sync::Arc;
+use jsonrpc_core::Error;
-use jsonrpc_core::{Params, Value, Error, IoDelegate};
+use jsonrpc_macros::Trailing;
+use v1::types::{TraceFilter, LocalizedTrace, BlockNumber, Index, CallRequest, Bytes, TraceResults, H256};
 
-/// Traces specific rpc interface.
+build_rpc_trait! {
-pub trait Traces: Sized + Send + Sync + 'static {
+	/// Traces specific rpc interface.
-	/// Returns traces matching given filter.
+	pub trait Traces {
-	fn filter(&self, _: Params) -> Result<Value, Error>;
+		/// Returns traces matching given filter.
+		#[rpc(name = "trace_filter")]
+		fn filter(&self, TraceFilter) -> Result<Vec<LocalizedTrace>, Error>;
 
-	/// Returns transaction trace at given index.
+		/// Returns transaction trace at given index.
-	fn trace(&self, _: Params) -> Result<Value, Error>;
+		#[rpc(name = "trace_get")]
+		fn trace(&self, H256, Vec<Index>) -> Result<Option<LocalizedTrace>, Error>;
 
-	/// Returns all traces of given transaction.
+		/// Returns all traces of given transaction.
-	fn transaction_traces(&self, _: Params) -> Result<Value, Error>;
+		#[rpc(name = "trace_transaction")]
+		fn transaction_traces(&self, H256) -> Result<Vec<LocalizedTrace>, Error>;
 
-	/// Returns all traces produced at given block.
+		/// Returns all traces produced at given block.
-	fn block_traces(&self, _: Params) -> Result<Value, Error>;
+		#[rpc(name = "trace_block")]
+		fn block_traces(&self, BlockNumber) -> Result<Vec<LocalizedTrace>, Error>;
 
-	/// Executes the given call and returns a number of possible traces for it.
+		/// Executes the given call and returns a number of possible traces for it.
-	fn call(&self, _: Params) -> Result<Value, Error>;
+		#[rpc(name = "trace_call")]
+		fn call(&self, CallRequest, Vec<String>, Trailing<BlockNumber>) -> Result<Option<TraceResults>, Error>;
 
-	/// Executes the given raw transaction and returns a number of possible traces for it.
+		/// Executes the given raw transaction and returns a number of possible traces for it.
-	fn raw_transaction(&self, _: Params) -> Result<Value, Error>;
+		#[rpc(name = "trace_rawTransaction")]
+		fn raw_transaction(&self, Bytes, Vec<String>, Trailing<BlockNumber>) -> Result<Option<TraceResults>, Error>;
 
-	/// Executes the transaction with the given hash and returns a number of possible traces for it.
+		/// Executes the transaction with the given hash and returns a number of possible traces for it.
-	fn replay_transaction(&self, _: Params) -> Result<Value, Error>;
+		#[rpc(name = "trace_replayTransaction")]
-
+		fn replay_transaction(&self, H256, Vec<String>) -> Result<Option<TraceResults>, Error>;
-	/// Should be used to convert object to io delegate.
-	fn to_delegate(self) -> IoDelegate<Self> {
-		let mut delegate = IoDelegate::new(Arc::new(self));
-		delegate.add_method("trace_filter", Traces::filter);
-		delegate.add_method("trace_get", Traces::trace);
-		delegate.add_method("trace_transaction", Traces::transaction_traces);
-		delegate.add_method("trace_block", Traces::block_traces);
-		delegate.add_method("trace_call", Traces::call);
-		delegate.add_method("trace_rawTransaction", Traces::raw_transaction);
-		delegate.add_method("trace_replayTransaction", Traces::replay_transaction);
-
-		delegate
 	}
 }