Splitting RPC Apis into more fine-grained sets (#1234)

parity/cli.rs

@@ -76,14 +76,14 @@ API and Console Options:
   --jsonrpc-apis APIS      Specify the APIs available through the JSONRPC
                            interface. APIS is a comma-delimited list of API
                            name. Possible name are web3, eth, net, personal,
-                           ethcore, traces.
+                           ethcore, ethcore_set, traces.
-                           [default: web3,eth,net,personal,traces].
+                           [default: web3,eth,net,ethcore,personal,traces].
 
   --ipc-off                Disable JSON-RPC over IPC service.
   --ipc-path PATH          Specify custom path for JSON-RPC over IPC service
                            [default: $HOME/.parity/jsonrpc.ipc].
   --ipc-apis APIS          Specify custom API set available via JSON-RPC over
-                           IPC [default: web3,eth,net,personal,traces].
+                           IPC [default: web3,eth,net,ethcore,personal,traces].
 
   --dapps-off              Disable the Dapps server (e.g. status page).
   --dapps-port PORT        Specify the port portion of the Dapps server

parity/rpc_apis.rs

@@ -40,7 +40,9 @@ pub enum Api {
 	Net,
 	Eth,
 	Personal,
+	Signer,
 	Ethcore,
+	EthcoreSet,
 	Traces,
 	Rpc,
 }
@@ -66,7 +68,9 @@ impl FromStr for Api {
 			"net" => Ok(Net),
 			"eth" => Ok(Eth),
 			"personal" => Ok(Personal),
+			"signer" => Ok(Signer),
 			"ethcore" => Ok(Ethcore),
+			"ethcore_set" => Ok(EthcoreSet),
 			"traces" => Ok(Traces),
 			"rpc" => Ok(Rpc),
 			e => Err(ApiError::UnknownApi(e.into())),
@@ -94,7 +98,9 @@ fn to_modules(apis: &[Api]) -> BTreeMap<String, String> {
 			Api::Net => ("net", "1.0"),
 			Api::Eth => ("eth", "1.0"),
 			Api::Personal => ("personal", "1.0"),
+			Api::Signer => ("signer", "1.0"),
 			Api::Ethcore => ("ethcore", "1.0"),
+			Api::EthcoreSet => ("ethcore_set", "1.0"),
 			Api::Traces => ("traces", "1.0"),
 			Api::Rpc => ("rpc", "1.0"),
 		};
@@ -115,12 +121,12 @@ pub fn from_str(apis: Vec<&str>) -> Vec<Api> {
 fn list_apis(apis: ApiSet, signer_enabled: bool) -> Vec<Api> {
 	match apis {
 		ApiSet::List(apis) => apis,
-		ApiSet::UnsafeContext if signer_enabled => {
+		ApiSet::UnsafeContext => {
-			vec![Api::Web3, Api::Net, Api::Eth, Api::Ethcore, Api::Traces, Api::Rpc]
+			vec![Api::Web3, Api::Net, Api::Eth, Api::Personal, Api::Ethcore, Api::EthcoreSet, Api::Traces, Api::Rpc]
-		}
+		},
 		_ => {
-			vec![Api::Web3, Api::Net, Api::Eth, Api::Personal, Api::Ethcore, Api::Traces, Api::Rpc]
+			vec![Api::Web3, Api::Net, Api::Eth, Api::Personal, Api::Signer, Api::Ethcore, Api::EthcoreSet, Api::Traces, Api::Rpc]
-		}
+		},
 	}
 }
 
@@ -148,13 +154,16 @@ pub fn setup_rpc<T: Extendable>(server: T, deps: Arc<Dependencies>, apis: ApiSet
 			},
 			Api::Personal => {
 				server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner, deps.signer_enabled).to_delegate());
-				if deps.signer_enabled {
+			},
+			Api::Signer => {
 				server.add_delegate(SignerClient::new(&deps.secret_store, &deps.client, &deps.miner, &deps.signer_queue).to_delegate());
-				}
 			},
 			Api::Ethcore => {
 				server.add_delegate(EthcoreClient::new(&deps.miner, deps.logger.clone(), deps.settings.clone()).to_delegate())
 			},
+			Api::EthcoreSet => {
+				server.add_delegate(EthcoreSetClient::new(&deps.miner).to_delegate())
+			},
 			Api::Traces => {
 				server.add_delegate(TracesClient::new(&deps.client, &deps.miner).to_delegate())
 			},

rpc/src/v1/impls/ethcore.rs

@@ -15,7 +15,7 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Ethcore-specific rpc implementation.
-use util::{U256, Address, RotatingLogger};
+use util::RotatingLogger;
 use util::network_settings::NetworkSettings;
 use util::misc::version_data;
 use std::sync::{Arc, Weak};
@@ -48,41 +48,6 @@ impl<M> EthcoreClient<M> where M: MinerService {
 
 impl<M> Ethcore for EthcoreClient<M> where M: MinerService + 'static {
 
-	fn set_min_gas_price(&self, params: Params) -> Result<Value, Error> {
-		from_params::<(U256,)>(params).and_then(|(gas_price,)| {
-			take_weak!(self.miner).set_minimal_gas_price(gas_price);
-			to_value(&true)
-		})
-	}
-
-	fn set_gas_floor_target(&self, params: Params) -> Result<Value, Error> {
-		from_params::<(U256,)>(params).and_then(|(gas_floor_target,)| {
-			take_weak!(self.miner).set_gas_floor_target(gas_floor_target);
-			to_value(&true)
-		})
-	}
-
-	fn set_extra_data(&self, params: Params) -> Result<Value, Error> {
-		from_params::<(Bytes,)>(params).and_then(|(extra_data,)| {
-			take_weak!(self.miner).set_extra_data(extra_data.to_vec());
-			to_value(&true)
-		})
-	}
-
-	fn set_author(&self, params: Params) -> Result<Value, Error> {
-		from_params::<(Address,)>(params).and_then(|(author,)| {
-			take_weak!(self.miner).set_author(author);
-			to_value(&true)
-		})
-	}
-
-	fn set_transactions_limit(&self, params: Params) -> Result<Value, Error> {
-		from_params::<(usize,)>(params).and_then(|(limit,)| {
-			take_weak!(self.miner).set_transactions_limit(limit);
-			to_value(&true)
-		})
-	}
-
 	fn transactions_limit(&self, _: Params) -> Result<Value, Error> {
 		to_value(&take_weak!(self.miner).transactions_limit())
 	}

rpc/src/v1/impls/ethcore_set.rs

@@ -0,0 +1,78 @@
+// Copyright 2015, 2016 Ethcore (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/>.
+
+/// Ethcore-specific rpc interface for operations altering the settings.
+use util::{U256, Address};
+use std::sync::{Arc, Weak};
+use jsonrpc_core::*;
+use ethcore::miner::MinerService;
+use v1::traits::EthcoreSet;
+use v1::types::{Bytes};
+
+/// Ethcore-specific rpc interface for operations altering the settings.
+pub struct EthcoreSetClient<M> where
+	M: MinerService {
+
+	miner: Weak<M>,
+}
+
+impl<M> EthcoreSetClient<M> where M: MinerService {
+	/// Creates new `EthcoreSetClient`.
+	pub fn new(miner: &Arc<M>) -> Self {
+		EthcoreSetClient {
+			miner: Arc::downgrade(miner),
+		}
+	}
+}
+
+impl<M> EthcoreSet for EthcoreSetClient<M> where M: MinerService + 'static {
+
+	fn set_min_gas_price(&self, params: Params) -> Result<Value, Error> {
+		from_params::<(U256,)>(params).and_then(|(gas_price,)| {
+			take_weak!(self.miner).set_minimal_gas_price(gas_price);
+			to_value(&true)
+		})
+	}
+
+	fn set_gas_floor_target(&self, params: Params) -> Result<Value, Error> {
+		from_params::<(U256,)>(params).and_then(|(gas_floor_target,)| {
+			take_weak!(self.miner).set_gas_floor_target(gas_floor_target);
+			to_value(&true)
+		})
+	}
+
+	fn set_extra_data(&self, params: Params) -> Result<Value, Error> {
+		from_params::<(Bytes,)>(params).and_then(|(extra_data,)| {
+			take_weak!(self.miner).set_extra_data(extra_data.to_vec());
+			to_value(&true)
+		})
+	}
+
+	fn set_author(&self, params: Params) -> Result<Value, Error> {
+		from_params::<(Address,)>(params).and_then(|(author,)| {
+			take_weak!(self.miner).set_author(author);
+			to_value(&true)
+		})
+	}
+
+	fn set_transactions_limit(&self, params: Params) -> Result<Value, Error> {
+		from_params::<(usize,)>(params).and_then(|(limit,)| {
+			take_weak!(self.miner).set_transactions_limit(limit);
+			to_value(&true)
+		})
+	}
+
+}

rpc/src/v1/impls/mod.rs

@@ -37,6 +37,7 @@ mod net;
 mod personal;
 mod personal_signer;
 mod ethcore;
+mod ethcore_set;
 mod traces;
 mod rpc;
 
@@ -48,6 +49,7 @@ pub use self::net::NetClient;
 pub use self::personal::PersonalClient;
 pub use self::personal_signer::SignerClient;
 pub use self::ethcore::EthcoreClient;
+pub use self::ethcore_set::EthcoreSetClient;
 pub use self::traces::TracesClient;
 pub use self::rpc::RpcClient;
 

rpc/src/v1/mod.rs

@@ -25,6 +25,6 @@ pub mod traits;
 pub mod tests;
 pub mod types;
 
-pub use self::traits::{Web3, Eth, EthFilter, EthSigning, Personal, PersonalSigner, Net, Ethcore, Traces, Rpc};
+pub use self::traits::{Web3, Eth, EthFilter, EthSigning, Personal, PersonalSigner, Net, Ethcore, EthcoreSet, Traces, Rpc};
 pub use self::impls::*;
 pub use self::helpers::{SigningQueue, ConfirmationsQueue};

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

@@ -17,7 +17,7 @@
 use std::sync::Arc;
 use std::str::FromStr;
 use jsonrpc_core::IoHandler;
-use v1::{Ethcore, EthcoreClient};
+use v1::{Ethcore, EthcoreClient, EthcoreSet, EthcoreSetClient};
 use ethcore::miner::MinerService;
 use v1::tests::helpers::TestMinerService;
 use util::numbers::*;
@@ -49,12 +49,16 @@ fn ethcore_client(miner: &Arc<TestMinerService>) -> EthcoreClient<TestMinerServi
 	EthcoreClient::new(&miner, logger(), settings())
 }
 
+fn ethcore_set_client(miner: &Arc<TestMinerService>) -> EthcoreSetClient<TestMinerService> {
+	EthcoreSetClient::new(&miner)
+}
+
 #[test]
 fn rpc_ethcore_extra_data() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_extraData", "params": [], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":"0x01020304","id":1}"#;
@@ -68,9 +72,9 @@ fn rpc_ethcore_default_extra_data() {
 	use util::ToPretty;
 
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_defaultExtraData", "params": [], "id": 1}"#;
 	let response = format!(r#"{{"jsonrpc":"2.0","result":"0x{}","id":1}}"#, misc::version_data().to_hex());
@@ -81,9 +85,9 @@ fn rpc_ethcore_default_extra_data() {
 #[test]
 fn rpc_ethcore_gas_floor_target() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_gasFloorTarget", "params": [], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":"0x3039","id":1}"#;
@@ -94,9 +98,9 @@ fn rpc_ethcore_gas_floor_target() {
 #[test]
 fn rpc_ethcore_min_gas_price() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_minGasPrice", "params": [], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":"0x01312d00","id":1}"#;
@@ -107,9 +111,9 @@ fn rpc_ethcore_min_gas_price() {
 #[test]
 fn rpc_ethcore_set_min_gas_price() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_setMinGasPrice", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
@@ -121,9 +125,9 @@ fn rpc_ethcore_set_min_gas_price() {
 #[test]
 fn rpc_ethcore_set_gas_floor_target() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_setGasFloorTarget", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
@@ -135,9 +139,9 @@ fn rpc_ethcore_set_gas_floor_target() {
 #[test]
 fn rpc_ethcore_set_extra_data() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_setExtraData", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
@@ -149,9 +153,9 @@ fn rpc_ethcore_set_extra_data() {
 #[test]
 fn rpc_ethcore_set_author() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_setAuthor", "params":["0xcd1722f3947def4cf144679da39c4c32bdc35681"], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
@@ -169,6 +173,7 @@ fn rpc_ethcore_dev_logs() {
 	let ethcore = EthcoreClient::new(&miner, logger.clone(), settings()).to_delegate();
 	let io = IoHandler::new();
 	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_devLogs", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":["b","a"],"id":1}"#;
@@ -179,9 +184,9 @@ fn rpc_ethcore_dev_logs() {
 #[test]
 fn rpc_ethcore_dev_logs_levels() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_devLogsLevels", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":"rpc=trace","id":1}"#;
@@ -191,9 +196,9 @@ fn rpc_ethcore_dev_logs_levels() {
 #[test]
 fn rpc_ethcore_set_transactions_limit() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_setTransactionsLimit", "params":[10240240], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
@@ -205,9 +210,9 @@ fn rpc_ethcore_set_transactions_limit() {
 #[test]
 fn rpc_ethcore_transactions_limit() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_transactionsLimit", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":1024,"id":1}"#;
@@ -218,9 +223,9 @@ fn rpc_ethcore_transactions_limit() {
 #[test]
 fn rpc_ethcore_net_chain() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_netChain", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":"testchain","id":1}"#;
@@ -231,9 +236,9 @@ fn rpc_ethcore_net_chain() {
 #[test]
 fn rpc_ethcore_net_max_peers() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_netMaxPeers", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":25,"id":1}"#;
@@ -244,9 +249,9 @@ fn rpc_ethcore_net_max_peers() {
 #[test]
 fn rpc_ethcore_net_port() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_netPort", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":30303,"id":1}"#;
@@ -257,9 +262,9 @@ fn rpc_ethcore_net_port() {
 #[test]
 fn rpc_ethcore_rpc_settings() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_rpcSettings", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":{"enabled":true,"interface":"all","port":8545},"id":1}"#;
@@ -270,9 +275,9 @@ fn rpc_ethcore_rpc_settings() {
 #[test]
 fn rpc_ethcore_node_name() {
 	let miner = miner_service();
-	let ethcore = ethcore_client(&miner).to_delegate();
 	let io = IoHandler::new();
-	io.add_delegate(ethcore);
+	io.add_delegate(ethcore_client(&miner).to_delegate());
+	io.add_delegate(ethcore_set_client(&miner).to_delegate());
 
 	let request = r#"{"jsonrpc": "2.0", "method": "ethcore_nodeName", "params":[], "id": 1}"#;
 	let response = r#"{"jsonrpc":"2.0","result":"mynode","id":1}"#;

rpc/src/v1/traits/ethcore.rs

@@ -21,21 +21,6 @@ use jsonrpc_core::*;
 /// Ethcore-specific rpc interface.
 pub trait Ethcore: Sized + Send + Sync + 'static {
 
-	/// Sets new minimal gas price for mined blocks.
-	fn set_min_gas_price(&self, _: Params) -> Result<Value, Error>;
-
-	/// Sets new gas floor target for mined blocks.
-	fn set_gas_floor_target(&self, _: Params) -> Result<Value, Error>;
-
-	/// Sets new extra data for mined blocks.
-	fn set_extra_data(&self, _: Params) -> Result<Value, Error>;
-
-	/// Sets new author for mined block.
-	fn set_author(&self, _: Params) -> Result<Value, Error>;
-
-	/// Sets the limits for transaction queue.
-	fn set_transactions_limit(&self, _: Params) -> Result<Value, Error>;
-
 	/// Returns current transactions limit.
 	fn transactions_limit(&self, _: Params) -> Result<Value, Error>;
 
@@ -75,11 +60,6 @@ pub trait Ethcore: Sized + Send + Sync + 'static {
 	/// 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("ethcore_setMinGasPrice", Ethcore::set_min_gas_price);
-		delegate.add_method("ethcore_setGasFloorTarget", Ethcore::set_gas_floor_target);
-		delegate.add_method("ethcore_setExtraData", Ethcore::set_extra_data);
-		delegate.add_method("ethcore_setAuthor", Ethcore::set_author);
-		delegate.add_method("ethcore_setTransactionsLimit", Ethcore::set_transactions_limit);
 
 		delegate.add_method("ethcore_extraData", Ethcore::extra_data);
 		delegate.add_method("ethcore_gasFloorTarget", Ethcore::gas_floor_target);

rpc/src/v1/traits/ethcore_set.rs

@@ -0,0 +1,51 @@
+// Copyright 2015, 2016 Ethcore (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/>.
+
+//! Ethcore-specific rpc interface for operations altering the settings.
+
+use std::sync::Arc;
+use jsonrpc_core::*;
+
+/// Ethcore-specific rpc interface for operations altering the settings.
+pub trait EthcoreSet: Sized + Send + Sync + 'static {
+
+	/// Sets new minimal gas price for mined blocks.
+	fn set_min_gas_price(&self, _: Params) -> Result<Value, Error>;
+
+	/// Sets new gas floor target for mined blocks.
+	fn set_gas_floor_target(&self, _: Params) -> Result<Value, Error>;
+
+	/// Sets new extra data for mined blocks.
+	fn set_extra_data(&self, _: Params) -> Result<Value, Error>;
+
+	/// Sets new author for mined block.
+	fn set_author(&self, _: Params) -> Result<Value, Error>;
+
+	/// Sets the limits for transaction queue.
+	fn set_transactions_limit(&self, _: Params) -> Result<Value, 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("ethcore_setMinGasPrice", EthcoreSet::set_min_gas_price);
+		delegate.add_method("ethcore_setGasFloorTarget", EthcoreSet::set_gas_floor_target);
+		delegate.add_method("ethcore_setExtraData", EthcoreSet::set_extra_data);
+		delegate.add_method("ethcore_setAuthor", EthcoreSet::set_author);
+		delegate.add_method("ethcore_setTransactionsLimit", EthcoreSet::set_transactions_limit);
+
+		delegate
+	}
+}

rpc/src/v1/traits/mod.rs

@@ -21,6 +21,7 @@ pub mod eth;
 pub mod net;
 pub mod personal;
 pub mod ethcore;
+pub mod ethcore_set;
 pub mod traces;
 pub mod rpc;
 
@@ -29,6 +30,7 @@ pub use self::eth::{Eth, EthFilter, EthSigning};
 pub use self::net::Net;
 pub use self::personal::{Personal, PersonalSigner};
 pub use self::ethcore::Ethcore;
+pub use self::ethcore_set::EthcoreSet;
 pub use self::traces::Traces;
 pub use self::rpc::Rpc;
 

signer/src/ws_server/session.rs

@@ -77,7 +77,7 @@ impl ws::Handler for Session {
 		// Check request origin and host header.
 		if !origin_is_allowed(&self.self_origin, origin) && !origin_is_allowed(&self.self_origin, host) {
 			warn!(target: "signer", "Blocked connection to Signer API from untrusted origin.");
-			return Ok(ws::Response::forbidden("You are not allowed to access system ui.".into()));
+			return Ok(ws::Response::forbidden(format!("You are not allowed to access system ui. Use: http://{}", self.self_origin)));
 		}
 
 		// Detect if it's a websocket request.
@@ -108,7 +108,7 @@ impl ws::Handler for Session {
 					let mut res = ws::Response::ok(f.content.into());
 					{
 						let mut headers = res.headers_mut();
-						headers.push(("Server".into(), b"Parity/SystemUI".to_vec()));
+						headers.push(("Server".into(), b"Parity/SignerUI".to_vec()));
 						headers.push(("Connection".into(), b"Closed".to_vec()));
 						headers.push(("Content-Length".into(), content_len.as_bytes().to_vec()));
 						headers.push(("Content-Type".into(), f.mime.as_bytes().to_vec()));