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Simple signing queue, confirmation APIs exposed in signer WebSockets. (#1182) 

* Splitting methods requiring signing into separate trait

* Single place where RPC apis are created.

* Separating eth_filter

* Separating eth_signing

* Stubs for Personal Signer methods

* Test for EthSigningQueueClient

* TransactionConfirmation API

* Exposing PersonalSigner API

* Defining ApiSets dependent on context

* Removing types

* Fixing default impl

* Fixing un-mocked tests

* Update signing_queue.rs

[ci skip]

* Removing unused import [ci skip]
This commit is contained in:
Tomasz Drwięga 2016-06-01 19:37:34 +02:00 committed by Gav Wood
parent b9b0ce8d65
commit 99e26b8480
35 changed files with 1140 additions and 544 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Cargo.lock generated
View File

@ -358,12 +358,7 @@ dependencies = [
"ethcore-util 1.2.0",
"jsonrpc-core 2.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc_version 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_codegen 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
"syntex 0.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
"ws 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
]

13
dapps/src/lib.rs
View File

@ -52,6 +52,7 @@ extern crate serde_json;
extern crate jsonrpc_core;
extern crate jsonrpc_http_server;
extern crate parity_dapps;
extern crate ethcore_rpc;
mod endpoint;
mod apps;
@ -66,6 +67,7 @@ use std::net::SocketAddr;
use std::collections::HashMap;
use jsonrpc_core::{IoHandler, IoDelegate};
use router::auth::{Authorization, NoAuth, HttpBasicAuth};
use ethcore_rpc::Extendable;
static DAPPS_DOMAIN : &'static str = ".parity";
@ -74,6 +76,12 @@ pub struct ServerBuilder {
handler: Arc<IoHandler>,
}
impl Extendable for ServerBuilder {
fn add_delegate<D: Send + Sync + 'static>(&self, delegate: IoDelegate<D>) {
self.handler.add_delegate(delegate);
}
}
impl ServerBuilder {
/// Construct new dapps server
pub fn new() -> Self {
@ -82,11 +90,6 @@ impl ServerBuilder {
}
}
/// Add io delegate.
pub fn add_delegate<D>(&self, delegate: IoDelegate<D>) where D: Send + Sync + 'static {
self.handler.add_delegate(delegate);
}
/// Asynchronously start server with no authentication,
/// returns result with `Server` handle on success or an error.
pub fn start_unsecure_http(&self, addr: &SocketAddr) -> Result<Server, ServerError> {

24
parity/dapps.rs
View File

@ -17,14 +17,9 @@
use std::sync::Arc;
use std::str::FromStr;
use std::net::SocketAddr;
use ethcore::client::Client;
use ethsync::EthSync;
use ethminer::{Miner, ExternalMiner};
use util::RotatingLogger;
use util::panics::PanicHandler;
use util::keys::store::AccountService;
use util::network_settings::NetworkSettings;
use die::*;
use rpc_apis;
#[cfg(feature = "dapps")]
pub use ethcore_dapps::Server as WebappServer;
@ -41,13 +36,7 @@ pub struct Configuration {
pub struct Dependencies {
pub panic_handler: Arc<PanicHandler>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
pub settings: Arc<NetworkSettings>,
pub apis: Arc<rpc_apis::Dependencies>,
}
pub fn new(configuration: Configuration, deps: Dependencies) -> Option<WebappServer> {
@ -92,17 +81,10 @@ pub fn setup_dapps_server(
url: &SocketAddr,
auth: Option<(String, String)>
) -> WebappServer {
use ethcore_rpc::v1::*;
use ethcore_dapps as dapps;
let server = dapps::ServerBuilder::new();
server.add_delegate(Web3Client::new().to_delegate());
server.add_delegate(NetClient::new(&deps.sync).to_delegate());
server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner).to_delegate());
server.add_delegate(EthcoreClient::new(&deps.miner, deps.logger.clone(), deps.settings.clone()).to_delegate());
let server = rpc_apis::setup_rpc(server, deps.apis.clone(), rpc_apis::ApiSet::UnsafeContext);
let start_result = match auth {
None => {
server.start_unsecure_http(url)

27
parity/main.rs
View File

@ -67,6 +67,7 @@ mod cli;
mod configuration;
mod migration;
mod signer;
mod rpc_apis;
use std::io::{Write, Read, BufReader, BufRead};
use std::ops::Deref;
@ -195,8 +196,9 @@ fn execute_client(conf: Configuration, spec: Spec, client_config: ClientConfig)
// Sync
let sync = EthSync::register(service.network(), sync_config, client.clone(), miner.clone());
let dependencies = Arc::new(rpc::Dependencies {
panic_handler: panic_handler.clone(),
let deps_for_rpc_apis = Arc::new(rpc_apis::Dependencies {
signer_enabled: conf.args.flag_signer,
signer_queue: Arc::new(rpc_apis::ConfirmationsQueue::default()),
client: client.clone(),
sync: sync.clone(),
secret_store: account_service.clone(),
@ -206,6 +208,11 @@ fn execute_client(conf: Configuration, spec: Spec, client_config: ClientConfig)
settings: network_settings.clone(),
});
let dependencies = rpc::Dependencies {
panic_handler: panic_handler.clone(),
apis: deps_for_rpc_apis.clone(),
};
// Setup http rpc
let rpc_server = rpc::new_http(rpc::HttpConfiguration {
enabled: network_settings.rpc_enabled,
@ -227,26 +234,16 @@ fn execute_client(conf: Configuration, spec: Spec, client_config: ClientConfig)
pass: conf.args.flag_dapps_pass.clone(),
}, dapps::Dependencies {
panic_handler: panic_handler.clone(),
client: client.clone(),
sync: sync.clone(),
secret_store: account_service.clone(),
miner: miner.clone(),
external_miner: external_miner.clone(),
logger: logger.clone(),
settings: network_settings.clone(),
apis: deps_for_rpc_apis.clone(),
});
// Set up a signer
let signer_server = signer::start(signer::Configuration {
enabled: conf.args.flag_signer,
enabled: deps_for_rpc_apis.signer_enabled,
port: conf.args.flag_signer_port,
}, signer::Dependencies {
panic_handler: panic_handler.clone(),
client: client.clone(),
sync: sync.clone(),
secret_store: account_service.clone(),
miner: miner.clone(),
external_miner: external_miner.clone(),
apis: deps_for_rpc_apis.clone(),
});
// Register IO handler

79
parity/rpc.rs
View File

@ -15,19 +15,13 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::collections::BTreeMap;
use std::str::FromStr;
use std::sync::Arc;
use std::net::SocketAddr;
use ethcore::client::Client;
use ethsync::EthSync;
use ethminer::{Miner, ExternalMiner};
use util::RotatingLogger;
use util::panics::PanicHandler;
use util::keys::store::AccountService;
use util::network_settings::NetworkSettings;
use die::*;
use jsonipc;
use rpc_apis;
#[cfg(feature = "rpc")]
pub use ethcore_rpc::Server as RpcServer;
@ -52,16 +46,10 @@ pub struct IpcConfiguration {
pub struct Dependencies {
pub panic_handler: Arc<PanicHandler>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
pub settings: Arc<NetworkSettings>,
pub apis: Arc<rpc_apis::Dependencies>,
}
pub fn new_http(conf: HttpConfiguration, deps: &Arc<Dependencies>) -> Option<RpcServer> {
pub fn new_http(conf: HttpConfiguration, deps: &Dependencies) -> Option<RpcServer> {
if !conf.enabled {
return None;
}
@ -78,58 +66,23 @@ pub fn new_http(conf: HttpConfiguration, deps: &Arc<Dependencies>) -> Option<Rpc
Some(setup_http_rpc_server(deps, &addr, conf.cors, apis))
}
pub fn new_ipc(conf: IpcConfiguration, deps: &Arc<Dependencies>) -> Option<jsonipc::Server> {
pub fn new_ipc(conf: IpcConfiguration, deps: &Dependencies) -> Option<jsonipc::Server> {
if !conf.enabled { return None; }
let apis = conf.apis.split(',').collect();
Some(setup_ipc_rpc_server(deps, &conf.socket_addr, apis))
}
fn setup_rpc_server(apis: Vec<&str>, deps: &Arc<Dependencies>) -> Server {
use ethcore_rpc::v1::*;
fn setup_rpc_server(apis: Vec<&str>, deps: &Dependencies) -> Server {
let apis = rpc_apis::from_str(apis);
let server = Server::new();
let mut modules = BTreeMap::new();
for api in apis.into_iter() {
match api {
"web3" => {
modules.insert("web3".to_owned(), "1.0".to_owned());
server.add_delegate(Web3Client::new().to_delegate());
},
"net" => {
modules.insert("net".to_owned(), "1.0".to_owned());
server.add_delegate(NetClient::new(&deps.sync).to_delegate());
},
"eth" => {
modules.insert("eth".to_owned(), "1.0".to_owned());
server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
},
"personal" => {
modules.insert("personal".to_owned(), "1.0".to_owned());
server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner).to_delegate())
},
"ethcore" => {
modules.insert("ethcore".to_owned(), "1.0".to_owned());
server.add_delegate(EthcoreClient::new(&deps.miner, deps.logger.clone(), deps.settings.clone()).to_delegate())
},
"traces" => {
modules.insert("traces".to_owned(), "1.0".to_owned());
server.add_delegate(TracesClient::new(&deps.client).to_delegate())
},
_ => {
die!("{}: Invalid API name to be enabled.", api);
},
}
}
server.add_delegate(RpcClient::new(modules).to_delegate());
server
rpc_apis::setup_rpc(server, deps.apis.clone(), rpc_apis::ApiSet::List(apis))
}
#[cfg(not(feature = "rpc"))]
pub fn setup_http_rpc_server(
_deps: Dependencies,
_deps: &Dependencies,
_url: &SocketAddr,
_cors_domain: Option<String>,
_cors_domain: Vec<String>,
_apis: Vec<&str>,
) -> ! {
die!("Your Parity version has been compiled without JSON-RPC support.")
@ -137,27 +90,31 @@ pub fn setup_http_rpc_server(
#[cfg(feature = "rpc")]
pub fn setup_http_rpc_server(
dependencies: &Arc<Dependencies>,
dependencies: &Dependencies,
url: &SocketAddr,
cors_domains: Vec<String>,
apis: Vec<&str>,
) -> RpcServer {
let server = setup_rpc_server(apis, dependencies);
let start_result = server.start_http(url, cors_domains);
let deps = dependencies.clone();
let ph = dependencies.panic_handler.clone();
match start_result {
Err(RpcServerError::IoError(err)) => die_with_io_error("RPC", err),
Err(e) => die!("RPC: {:?}", e),
Ok(server) => {
server.set_panic_handler(move || {
deps.panic_handler.notify_all("Panic in RPC thread.".to_owned());
ph.notify_all("Panic in RPC thread.".to_owned());
});
server
},
}
}
pub fn setup_ipc_rpc_server(dependencies: &Arc<Dependencies>, addr: &str, apis: Vec<&str>) -> jsonipc::Server {
#[cfg(not(feature = "rpc"))]
pub fn setup_ipc_rpc_server(_dependencies: &Dependencies, _addr: &str, _apis: Vec<&str>) -> ! {
die!("Your Parity version has been compiled without JSON-RPC support.")
}
#[cfg(feature = "rpc")]
pub fn setup_ipc_rpc_server(dependencies: &Dependencies, addr: &str, apis: Vec<&str>) -> jsonipc::Server {
let server = setup_rpc_server(apis, dependencies);
match server.start_ipc(addr) {
Err(jsonipc::Error::Io(io_error)) => die_with_io_error("RPC", io_error),

168
parity/rpc_apis.rs Normal file
View File

@ -0,0 +1,168 @@
// 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/>.
use std::collections::BTreeMap;
use std::str::FromStr;
use std::sync::Arc;
use die::*;
use ethsync::EthSync;
use ethminer::{Miner, ExternalMiner};
use ethcore::client::Client;
use util::RotatingLogger;
use util::keys::store::AccountService;
use util::network_settings::NetworkSettings;
#[cfg(feature="rpc")]
pub use ethcore_rpc::ConfirmationsQueue;
#[cfg(not(feature="rpc"))]
#[derive(Default)]
pub struct ConfirmationsQueue;
#[cfg(feature="rpc")]
use ethcore_rpc::Extendable;
pub enum Api {
Web3,
Net,
Eth,
Personal,
Ethcore,
Traces,
Rpc,
}
pub enum ApiError {
UnknownApi(String)
}
pub enum ApiSet {
SafeContext,
UnsafeContext,
List(Vec<Api>),
}
impl FromStr for Api {
type Err = ApiError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
use self::Api::*;
match s {
"web3" => Ok(Web3),
"net" => Ok(Net),
"eth" => Ok(Eth),
"personal" => Ok(Personal),
"ethcore" => Ok(Ethcore),
"traces" => Ok(Traces),
"rpc" => Ok(Rpc),
e => Err(ApiError::UnknownApi(e.into())),
}
}
}
pub struct Dependencies {
pub signer_enabled: bool,
pub signer_queue: Arc<ConfirmationsQueue>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
pub settings: Arc<NetworkSettings>,
}
fn to_modules(apis: &[Api]) -> BTreeMap<String, String> {
let mut modules = BTreeMap::new();
for api in apis {
let (name, version) = match *api {
Api::Web3 => ("web3", "1.0"),
Api::Net => ("net", "1.0"),
Api::Eth => ("eth", "1.0"),
Api::Personal => ("personal", "1.0"),
Api::Ethcore => ("ethcore", "1.0"),
Api::Traces => ("traces", "1.0"),
Api::Rpc => ("rpc", "1.0"),
};
modules.insert(name.into(), version.into());
}
modules
}
pub fn from_str(apis: Vec<&str>) -> Vec<Api> {
apis.into_iter()
.map(Api::from_str)
.collect::<Result<Vec<Api>, ApiError>>()
.unwrap_or_else(|e| match e {
ApiError::UnknownApi(s) => die!("Unknown RPC API specified: {}", s),
})
}
fn list_apis(apis: ApiSet, signer_enabled: bool) -> Vec<Api> {
match apis {
ApiSet::List(apis) => apis,
ApiSet::UnsafeContext if signer_enabled => {
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::Traces, Api::Rpc]
}
}
}
pub fn setup_rpc<T: Extendable>(server: T, deps: Arc<Dependencies>, apis: ApiSet) -> T {
use ethcore_rpc::v1::*;
let apis = list_apis(apis, deps.signer_enabled);
for api in &apis {
match *api {
Api::Web3 => {
server.add_delegate(Web3Client::new().to_delegate());
},
Api::Net => {
server.add_delegate(NetClient::new(&deps.sync).to_delegate());
},
Api::Eth => {
server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
if deps.signer_enabled {
server.add_delegate(EthSigningQueueClient::new(&deps.signer_queue).to_delegate());
} else {
server.add_delegate(EthSigningUnsafeClient::new(&deps.client, &deps.secret_store, &deps.miner).to_delegate());
}
},
Api::Personal => {
server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner).to_delegate());
if deps.signer_enabled {
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::Traces => {
server.add_delegate(TracesClient::new(&deps.client).to_delegate())
},
Api::Rpc => {
let modules = to_modules(&apis);
server.add_delegate(RpcClient::new(modules).to_delegate());
}
}
}
server
}

18
parity/signer.rs
View File

@ -15,12 +15,9 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use std::sync::Arc;
use ethcore::client::Client;
use ethsync::EthSync;
use ethminer::{Miner, ExternalMiner};
use util::keys::store::AccountService;
use util::panics::{PanicHandler, ForwardPanic};
use die::*;
use rpc_apis;
#[cfg(feature = "ethcore-signer")]
use ethcore_signer as signer;
@ -36,11 +33,7 @@ pub struct Configuration {
pub struct Dependencies {
pub panic_handler: Arc<PanicHandler>,
pub client: Arc<Client>,
pub sync: Arc<EthSync>,
pub secret_store: Arc<AccountService>,
pub miner: Arc<Miner>,
pub external_miner: Arc<ExternalMiner>,
pub apis: Arc<rpc_apis::Dependencies>,
}
pub fn start(conf: Configuration, deps: Dependencies) -> Option<SignerServer> {
@ -58,13 +51,8 @@ fn do_start(conf: Configuration, deps: Dependencies) -> SignerServer {
});
let start_result = {
use ethcore_rpc::v1::*;
let server = signer::ServerBuilder::new();
server.add_delegate(Web3Client::new().to_delegate());
server.add_delegate(NetClient::new(&deps.sync).to_delegate());
server.add_delegate(EthClient::new(&deps.client, &deps.sync, &deps.secret_store, &deps.miner, &deps.external_miner).to_delegate());
server.add_delegate(EthFilterClient::new(&deps.client, &deps.miner).to_delegate());
server.add_delegate(PersonalClient::new(&deps.secret_store, &deps.client, &deps.miner).to_delegate());
let server = rpc_apis::setup_rpc(server, deps.apis, rpc_apis::ApiSet::SafeContext);
server.start(addr)
};

19
rpc/src/lib.rs
View File

@ -44,12 +44,26 @@ use self::jsonrpc_core::{IoHandler, IoDelegate};
pub use jsonrpc_http_server::{Server, RpcServerError};
pub mod v1;
pub use v1::{SigningQueue, ConfirmationsQueue};
/// An object that can be extended with `IoDelegates`
pub trait Extendable {
/// Add `Delegate` to this object.
fn add_delegate<D: Send + Sync + 'static>(&self, delegate: IoDelegate<D>);
}
/// Http server.
pub struct RpcServer {
handler: Arc<jsonrpc_core::io::IoHandler>,
}
impl Extendable for RpcServer {
/// Add io delegate.
fn add_delegate<D: Send + Sync + 'static>(&self, delegate: IoDelegate<D>) {
self.handler.add_delegate(delegate);
}
}
impl RpcServer {
/// Construct new http server object.
pub fn new() -> RpcServer {
@ -58,11 +72,6 @@ impl RpcServer {
}
}
/// Add io delegate.
pub fn add_delegate<D>(&self, delegate: IoDelegate<D>) where D: Send + Sync + 'static {
self.handler.add_delegate(delegate);
}
/// Start http server asynchronously and returns result with `Server` handle on success or an error.
pub fn start_http(&self, addr: &SocketAddr, cors_domains: Vec<String>) -> Result<Server, RpcServerError> {
let cors_domains = cors_domains.into_iter()

2
rpc/src/v1/helpers/mod.rs
View File

@ -16,6 +16,8 @@
mod poll_manager;
mod poll_filter;
mod signing_queue;
pub use self::poll_manager::PollManager;
pub use self::poll_filter::PollFilter;
pub use self::signing_queue::{ConfirmationsQueue, SigningQueue};

108
rpc/src/v1/helpers/signing_queue.rs Normal file
View File

@ -0,0 +1,108 @@
// 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/>.
use std::sync::Mutex;
use std::collections::HashMap;
use v1::types::{TransactionRequest, TransactionConfirmation};
use util::U256;
/// A queue of transactions awaiting to be confirmed and signed.
pub trait SigningQueue: Send + Sync {
/// Add new request to the queue.
fn add_request(&self, transaction: TransactionRequest) -> U256;
/// Remove request from the queue.
fn remove_request(&self, id: U256) -> Option<TransactionConfirmation>;
/// Return copy of all the requests in the queue.
fn requests(&self) -> Vec<TransactionConfirmation>;
}
/// Queue for all unconfirmed transactions.
pub struct ConfirmationsQueue {
id: Mutex<U256>,
queue: Mutex<HashMap<U256, TransactionConfirmation>>,
}
impl Default for ConfirmationsQueue {
fn default() -> Self {
ConfirmationsQueue {
id: Mutex::new(U256::from(0)),
queue: Mutex::new(HashMap::new()),
}
}
}
impl SigningQueue for ConfirmationsQueue {
fn add_request(&self, transaction: TransactionRequest) -> U256 {
// Increment id
let id = {
let mut last_id = self.id.lock().unwrap();
*last_id = *last_id + U256::from(1);
*last_id
};
let mut queue = self.queue.lock().unwrap();
queue.insert(id, TransactionConfirmation {
id: id,
transaction: transaction,
});
id
}
fn remove_request(&self, id: U256) -> Option<TransactionConfirmation> {
self.queue.lock().unwrap().remove(&id)
}
fn requests(&self) -> Vec<TransactionConfirmation> {
let queue = self.queue.lock().unwrap();
queue.values().cloned().collect()
}
}
#[cfg(test)]
mod test {
use util::hash::Address;
use util::numbers::U256;
use v1::types::TransactionRequest;
use super::*;
#[test]
fn should_work_for_hashset() {
// given
let queue = ConfirmationsQueue::default();
let request = TransactionRequest {
from: Address::from(1),
to: Some(Address::from(2)),
gas_price: None,
gas: None,
value: Some(U256::from(10_000_000)),
data: None,
nonce: None,
};
// when
queue.add_request(request.clone());
let all = queue.requests();
// then
assert_eq!(all.len(), 1);
let el = all.get(0).unwrap();
assert_eq!(el.id, U256::from(1));
assert_eq!(el.transaction, request);
}
}

246
rpc/src/v1/impls/eth.rs
View File

@ -18,7 +18,6 @@
extern crate ethash;
use std::collections::HashSet;
use std::sync::{Arc, Weak, Mutex};
use std::ops::Deref;
use ethsync::{SyncProvider, SyncState};
@ -36,10 +35,9 @@ use ethcore::transaction::{Transaction as EthTransaction, SignedTransaction, Act
use ethcore::log_entry::LogEntry;
use ethcore::filter::Filter as EthcoreFilter;
use self::ethash::SeedHashCompute;
use v1::traits::{Eth, EthFilter};
use v1::types::{Block, BlockTransactions, BlockNumber, Bytes, SyncStatus, SyncInfo, Transaction, TransactionRequest, CallRequest, OptionalValue, Index, Filter, Log, Receipt};
use v1::helpers::{PollFilter, PollManager};
use v1::impls::{dispatch_transaction, sign_and_dispatch};
use v1::traits::Eth;
use v1::types::{Block, BlockTransactions, BlockNumber, Bytes, SyncStatus, SyncInfo, Transaction, CallRequest, OptionalValue, Index, Filter, Log, Receipt};
use v1::impls::dispatch_transaction;
use serde;
/// Eth rpc implementation.
@ -170,6 +168,25 @@ impl<C, S, A, M, EM> EthClient<C, S, A, M, EM> where
}
}
pub fn pending_logs<M>(miner: &M, filter: &EthcoreFilter) -> Vec<Log> where M: MinerService {
let receipts = miner.pending_receipts();
let pending_logs = receipts.into_iter()
.flat_map(|(hash, r)| r.logs.into_iter().map(|l| (hash.clone(), l)).collect::<Vec<(H256, LogEntry)>>())
.collect::<Vec<(H256, LogEntry)>>();
let result = pending_logs.into_iter()
.filter(|pair| filter.matches(&pair.1))
.map(|pair| {
let mut log = Log::from(pair.1);
log.transaction_hash = Some(pair.0);
log
})
.collect();
result
}
const MAX_QUEUE_SIZE_TO_MINE_ON: usize = 4; // because uncles go back 6.
fn params_len(params: &Params) -> usize {
@ -193,25 +210,6 @@ fn from_params_default_third<F1, F2>(params: Params) -> Result<(F1, F2, BlockNum
}
}
fn pending_logs<M>(miner: &M, filter: &EthcoreFilter) -> Vec<Log> where M: MinerService {
let receipts = miner.pending_receipts();
let pending_logs = receipts.into_iter()
.flat_map(|(hash, r)| r.logs.into_iter().map(|l| (hash.clone(), l)).collect::<Vec<(H256, LogEntry)>>())
.collect::<Vec<(H256, LogEntry)>>();
let result = pending_logs.into_iter()
.filter(|pair| filter.matches(&pair.1))
.map(|pair| {
let mut log = Log::from(pair.1);
log.transaction_hash = Some(pair.0);
log
})
.collect();
result
}
// must be in range [-32099, -32000]
const UNSUPPORTED_REQUEST_CODE: i64 = -32000;
@ -496,23 +494,6 @@ impl<C, S, A, M, EM> Eth for EthClient<C, S, A, M, EM> where
})
}
fn sign(&self, params: Params) -> Result<Value, Error> {
from_params::<(Address, H256)>(params).and_then(|(addr, msg)| {
to_value(&take_weak!(self.accounts).sign(&addr, &msg).unwrap_or(H520::zero()))
})
}
fn send_transaction(&self, params: Params) -> Result<Value, Error> {
from_params::<(TransactionRequest, )>(params)
.and_then(|(request, )| {
let accounts = take_weak!(self.accounts);
match accounts.account_secret(&request.from) {
Ok(secret) => sign_and_dispatch(&self.client, &self.miner, request, secret),
Err(_) => to_value(&H256::zero())
}
})
}
fn send_raw_transaction(&self, params: Params) -> Result<Value, Error> {
from_params::<(Bytes, )>(params)
.and_then(|(raw_transaction, )| {
@ -563,186 +544,3 @@ impl<C, S, A, M, EM> Eth for EthClient<C, S, A, M, EM> where
rpc_unimplemented!()
}
}
/// Eth filter rpc implementation.
pub struct EthFilterClient<C, M> where
C: BlockChainClient,
M: MinerService {
client: Weak<C>,
miner: Weak<M>,
polls: Mutex<PollManager<PollFilter>>,
}
impl<C, M> EthFilterClient<C, M> where
C: BlockChainClient,
M: MinerService {
/// Creates new Eth filter client.
pub fn new(client: &Arc<C>, miner: &Arc<M>) -> Self {
EthFilterClient {
client: Arc::downgrade(client),
miner: Arc::downgrade(miner),
polls: Mutex::new(PollManager::new()),
}
}
}
impl<C, M> EthFilter for EthFilterClient<C, M> where
C: BlockChainClient + 'static,
M: MinerService + 'static {
fn new_filter(&self, params: Params) -> Result<Value, Error> {
from_params::<(Filter,)>(params)
.and_then(|(filter,)| {
let mut polls = self.polls.lock().unwrap();
let block_number = take_weak!(self.client).chain_info().best_block_number;
let id = polls.create_poll(PollFilter::Logs(block_number, Default::default(), filter));
to_value(&U256::from(id))
})
}
fn new_block_filter(&self, params: Params) -> Result<Value, Error> {
match params {
Params::None => {
let mut polls = self.polls.lock().unwrap();
let id = polls.create_poll(PollFilter::Block(take_weak!(self.client).chain_info().best_block_number));
to_value(&U256::from(id))
},
_ => Err(Error::invalid_params())
}
}
fn new_pending_transaction_filter(&self, params: Params) -> Result<Value, Error> {
match params {
Params::None => {
let mut polls = self.polls.lock().unwrap();
let pending_transactions = take_weak!(self.miner).pending_transactions_hashes();
let id = polls.create_poll(PollFilter::PendingTransaction(pending_transactions));
to_value(&U256::from(id))
},
_ => Err(Error::invalid_params())
}
}
fn filter_changes(&self, params: Params) -> Result<Value, Error> {
let client = take_weak!(self.client);
from_params::<(Index,)>(params)
.and_then(|(index,)| {
let mut polls = self.polls.lock().unwrap();
match polls.poll_mut(&index.value()) {
None => Ok(Value::Array(vec![] as Vec<Value>)),
Some(filter) => match *filter {
PollFilter::Block(ref mut block_number) => {
// + 1, cause we want to return hashes including current block hash.
let current_number = client.chain_info().best_block_number + 1;
let hashes = (*block_number..current_number).into_iter()
.map(BlockID::Number)
.filter_map(|id| client.block_hash(id))
.collect::<Vec<H256>>();
*block_number = current_number;
to_value(&hashes)
},
PollFilter::PendingTransaction(ref mut previous_hashes) => {
// get hashes of pending transactions
let current_hashes = take_weak!(self.miner).pending_transactions_hashes();
let new_hashes =
{
let previous_hashes_set = previous_hashes.iter().collect::<HashSet<_>>();
// find all new hashes
current_hashes
.iter()
.filter(|hash| !previous_hashes_set.contains(hash))
.cloned()
.collect::<Vec<H256>>()
};
// save all hashes of pending transactions
*previous_hashes = current_hashes;
// return new hashes
to_value(&new_hashes)
},
PollFilter::Logs(ref mut block_number, ref mut previous_logs, ref filter) => {
// retrive the current block number
let current_number = client.chain_info().best_block_number;
// check if we need to check pending hashes
let include_pending = filter.to_block == Some(BlockNumber::Pending);
// build appropriate filter
let mut filter: EthcoreFilter = filter.clone().into();
filter.from_block = BlockID::Number(*block_number);
filter.to_block = BlockID::Latest;
// retrieve logs in range from_block..min(BlockID::Latest..to_block)
let mut logs = client.logs(filter.clone())
.into_iter()
.map(From::from)
.collect::<Vec<Log>>();
// additionally retrieve pending logs
if include_pending {
let pending_logs = pending_logs(take_weak!(self.miner).deref(), &filter);
// remove logs about which client was already notified about
let new_pending_logs: Vec<_> = pending_logs.iter()
.filter(|p| !previous_logs.contains(p))
.cloned()
.collect();
// save all logs retrieved by client
*previous_logs = pending_logs.into_iter().collect();
// append logs array with new pending logs
logs.extend(new_pending_logs);
}
// save current block number as next from block number
*block_number = current_number;
to_value(&logs)
}
}
}
})
}
fn filter_logs(&self, params: Params) -> Result<Value, Error> {
from_params::<(Index,)>(params)
.and_then(|(index,)| {
let mut polls = self.polls.lock().unwrap();
match polls.poll(&index.value()) {
Some(&PollFilter::Logs(ref _block_number, ref _previous_log, ref filter)) => {
let include_pending = filter.to_block == Some(BlockNumber::Pending);
let filter: EthcoreFilter = filter.clone().into();
let mut logs = take_weak!(self.client).logs(filter.clone())
.into_iter()
.map(From::from)
.collect::<Vec<Log>>();
if include_pending {
logs.extend(pending_logs(take_weak!(self.miner).deref(), &filter));
}
to_value(&logs)
},
// just empty array
_ => Ok(Value::Array(vec![] as Vec<Value>)),
}
})
}
fn uninstall_filter(&self, params: Params) -> Result<Value, Error> {
from_params::<(Index,)>(params)
.and_then(|(index,)| {
self.polls.lock().unwrap().remove_poll(&index.value());
to_value(&true)
})
}
}

214
rpc/src/v1/impls/eth_filter.rs Normal file
View File

@ -0,0 +1,214 @@
// 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/>.
//! Eth Filter RPC implementation
use std::ops::Deref;
use std::sync::{Arc, Weak, Mutex};
use std::collections::HashSet;
use jsonrpc_core::*;
use util::numbers::*;
use ethminer::MinerService;
use ethcore::filter::Filter as EthcoreFilter;
use ethcore::client::{BlockChainClient, BlockID};
use v1::traits::EthFilter;
use v1::types::{BlockNumber, Index, Filter, Log};
use v1::helpers::{PollFilter, PollManager};
use v1::impls::eth::pending_logs;
/// Eth filter rpc implementation.
pub struct EthFilterClient<C, M> where
C: BlockChainClient,
M: MinerService {
client: Weak<C>,
miner: Weak<M>,
polls: Mutex<PollManager<PollFilter>>,
}
impl<C, M> EthFilterClient<C, M> where
C: BlockChainClient,
M: MinerService {
/// Creates new Eth filter client.
pub fn new(client: &Arc<C>, miner: &Arc<M>) -> Self {
EthFilterClient {
client: Arc::downgrade(client),
miner: Arc::downgrade(miner),
polls: Mutex::new(PollManager::new()),
}
}
}
impl<C, M> EthFilter for EthFilterClient<C, M> where
C: BlockChainClient + 'static,
M: MinerService + 'static {
fn new_filter(&self, params: Params) -> Result<Value, Error> {
from_params::<(Filter,)>(params)
.and_then(|(filter,)| {
let mut polls = self.polls.lock().unwrap();
let block_number = take_weak!(self.client).chain_info().best_block_number;
let id = polls.create_poll(PollFilter::Logs(block_number, Default::default(), filter));
to_value(&U256::from(id))
})
}
fn new_block_filter(&self, params: Params) -> Result<Value, Error> {
match params {
Params::None => {
let mut polls = self.polls.lock().unwrap();
let id = polls.create_poll(PollFilter::Block(take_weak!(self.client).chain_info().best_block_number));
to_value(&U256::from(id))
},
_ => Err(Error::invalid_params())
}
}
fn new_pending_transaction_filter(&self, params: Params) -> Result<Value, Error> {
match params {
Params::None => {
let mut polls = self.polls.lock().unwrap();
let pending_transactions = take_weak!(self.miner).pending_transactions_hashes();
let id = polls.create_poll(PollFilter::PendingTransaction(pending_transactions));
to_value(&U256::from(id))
},
_ => Err(Error::invalid_params())
}
}
fn filter_changes(&self, params: Params) -> Result<Value, Error> {
let client = take_weak!(self.client);
from_params::<(Index,)>(params)
.and_then(|(index,)| {
let mut polls = self.polls.lock().unwrap();
match polls.poll_mut(&index.value()) {
None => Ok(Value::Array(vec![] as Vec<Value>)),
Some(filter) => match *filter {
PollFilter::Block(ref mut block_number) => {
// + 1, cause we want to return hashes including current block hash.
let current_number = client.chain_info().best_block_number + 1;
let hashes = (*block_number..current_number).into_iter()
.map(BlockID::Number)
.filter_map(|id| client.block_hash(id))
.collect::<Vec<H256>>();
*block_number = current_number;
to_value(&hashes)
},
PollFilter::PendingTransaction(ref mut previous_hashes) => {
// get hashes of pending transactions
let current_hashes = take_weak!(self.miner).pending_transactions_hashes();
let new_hashes =
{
let previous_hashes_set = previous_hashes.iter().collect::<HashSet<_>>();
// find all new hashes
current_hashes
.iter()
.filter(|hash| !previous_hashes_set.contains(hash))
.cloned()
.collect::<Vec<H256>>()
};
// save all hashes of pending transactions
*previous_hashes = current_hashes;
// return new hashes
to_value(&new_hashes)
},
PollFilter::Logs(ref mut block_number, ref mut previous_logs, ref filter) => {
// retrive the current block number
let current_number = client.chain_info().best_block_number;
// check if we need to check pending hashes
let include_pending = filter.to_block == Some(BlockNumber::Pending);
// build appropriate filter
let mut filter: EthcoreFilter = filter.clone().into();
filter.from_block = BlockID::Number(*block_number);
filter.to_block = BlockID::Latest;
// retrieve logs in range from_block..min(BlockID::Latest..to_block)
let mut logs = client.logs(filter.clone())
.into_iter()
.map(From::from)
.collect::<Vec<Log>>();
// additionally retrieve pending logs
if include_pending {
let pending_logs = pending_logs(take_weak!(self.miner).deref(), &filter);
// remove logs about which client was already notified about
let new_pending_logs: Vec<_> = pending_logs.iter()
.filter(|p| !previous_logs.contains(p))
.cloned()
.collect();
// save all logs retrieved by client
*previous_logs = pending_logs.into_iter().collect();
// append logs array with new pending logs
logs.extend(new_pending_logs);
}
// save current block number as next from block number
*block_number = current_number;
to_value(&logs)
}
}
}
})
}
fn filter_logs(&self, params: Params) -> Result<Value, Error> {
from_params::<(Index,)>(params)
.and_then(|(index,)| {
let mut polls = self.polls.lock().unwrap();
match polls.poll(&index.value()) {
Some(&PollFilter::Logs(ref _block_number, ref _previous_log, ref filter)) => {
let include_pending = filter.to_block == Some(BlockNumber::Pending);
let filter: EthcoreFilter = filter.clone().into();
let mut logs = take_weak!(self.client).logs(filter.clone())
.into_iter()
.map(From::from)
.collect::<Vec<Log>>();
if include_pending {
logs.extend(pending_logs(take_weak!(self.miner).deref(), &filter));
}
to_value(&logs)
},
// just empty array
_ => Ok(Value::Array(vec![] as Vec<Value>)),
}
})
}
fn uninstall_filter(&self, params: Params) -> Result<Value, Error> {
from_params::<(Index,)>(params)
.and_then(|(index,)| {
self.polls.lock().unwrap().remove_poll(&index.value());
to_value(&true)
})
}
}

111
rpc/src/v1/impls/eth_signing.rs Normal file
View File

@ -0,0 +1,111 @@
// 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/>.
//! Eth Signing RPC implementation.
use std::sync::{Arc, Weak};
use jsonrpc_core::*;
use ethminer::MinerService;
use ethcore::client::BlockChainClient;
use util::numbers::*;
use util::keys::store::AccountProvider;
use v1::helpers::{SigningQueue, ConfirmationsQueue};
use v1::traits::EthSigning;
use v1::types::TransactionRequest;
use v1::impls::sign_and_dispatch;
/// Implementation of functions that require signing when no trusted signer is used.
pub struct EthSigningQueueClient {
queue: Weak<ConfirmationsQueue>,
}
impl EthSigningQueueClient {
/// Creates a new signing queue client given shared signing queue.
pub fn new(queue: &Arc<ConfirmationsQueue>) -> Self {
EthSigningQueueClient {
queue: Arc::downgrade(queue),
}
}
}
impl EthSigning for EthSigningQueueClient {
fn sign(&self, _params: Params) -> Result<Value, Error> {
// TODO [ToDr] Implement sign when rest of the signing queue is ready.
rpc_unimplemented!()
}
fn send_transaction(&self, params: Params) -> Result<Value, Error> {
from_params::<(TransactionRequest, )>(params)
.and_then(|(request, )| {
let queue = take_weak!(self.queue);
queue.add_request(request);
// TODO [ToDr] Block and wait for confirmation?
to_value(&H256::zero())
})
}
}
/// Implementation of functions that require signing when no trusted signer is used.
pub struct EthSigningUnsafeClient<C, A, M> where
C: BlockChainClient,
A: AccountProvider,
M: MinerService {
client: Weak<C>,
accounts: Weak<A>,
miner: Weak<M>,
}
impl<C, A, M> EthSigningUnsafeClient<C, A, M> where
C: BlockChainClient,
A: AccountProvider,
M: MinerService {
/// Creates new EthClient.
pub fn new(client: &Arc<C>, accounts: &Arc<A>, miner: &Arc<M>)
-> Self {
EthSigningUnsafeClient {
client: Arc::downgrade(client),
miner: Arc::downgrade(miner),
accounts: Arc::downgrade(accounts),
}
}
}
impl<C, A, M> EthSigning for EthSigningUnsafeClient<C, A, M> where
C: BlockChainClient + 'static,
A: AccountProvider + 'static,
M: MinerService + 'static {
fn sign(&self, params: Params) -> Result<Value, Error> {
from_params::<(Address, H256)>(params).and_then(|(addr, msg)| {
to_value(&take_weak!(self.accounts).sign(&addr, &msg).unwrap_or(H520::zero()))
})
}
fn send_transaction(&self, params: Params) -> Result<Value, Error> {
from_params::<(TransactionRequest, )>(params)
.and_then(|(request, )| {
let accounts = take_weak!(self.accounts);
match accounts.account_secret(&request.from) {
Ok(secret) => sign_and_dispatch(&self.client, &self.miner, request, secret),
Err(_) => to_value(&H256::zero())
}
})
}
}

10
rpc/src/v1/impls/mod.rs
View File

@ -31,16 +31,22 @@ macro_rules! rpc_unimplemented {
mod web3;
mod eth;
mod eth_filter;
mod eth_signing;
mod net;
mod personal;
mod personal_signer;
mod ethcore;
mod traces;
mod rpc;
pub use self::web3::Web3Client;
pub use self::eth::{EthClient, EthFilterClient};
pub use self::eth::EthClient;
pub use self::eth_filter::EthFilterClient;
pub use self::eth_signing::{EthSigningUnsafeClient, EthSigningQueueClient};
pub use self::net::NetClient;
pub use self::personal::PersonalClient;
pub use self::personal_signer::SignerClient;
pub use self::ethcore::EthcoreClient;
pub use self::traces::TracesClient;
pub use self::rpc::RpcClient;
@ -92,4 +98,4 @@ fn sign_and_dispatch<C, M>(client: &Weak<C>, miner: &Weak<M>, request: Transacti
trace!(target: "miner", "send_transaction: dispatching tx: {}", encode(&signed_transaction).to_vec().pretty());
dispatch_transaction(&*client, &*miner, signed_transaction)
}
}

2
rpc/src/v1/impls/personal.rs
View File

@ -20,7 +20,7 @@ use jsonrpc_core::*;
use v1::traits::Personal;
use v1::types::TransactionRequest;
use v1::impls::sign_and_dispatch;
use util::keys::store::*;
use util::keys::store::AccountProvider;
use util::numbers::*;
use ethcore::client::BlockChainClient;
use ethminer::MinerService;

93
rpc/src/v1/impls/personal_signer.rs Normal file
View File

@ -0,0 +1,93 @@
// 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/>.
//! Transactions Confirmations (personal) rpc implementation
use std::sync::{Arc, Weak};
use jsonrpc_core::*;
use v1::traits::PersonalSigner;
use v1::types::TransactionModification;
use v1::impls::sign_and_dispatch;
use v1::helpers::{SigningQueue, ConfirmationsQueue};
use util::keys::store::AccountProvider;
use util::numbers::*;
use ethcore::client::BlockChainClient;
use ethminer::MinerService;
/// Transactions confirmation (personal) rpc implementation.
pub struct SignerClient<A, C, M>
where A: AccountProvider, C: BlockChainClient, M: MinerService {
queue: Weak<ConfirmationsQueue>,
accounts: Weak<A>,
client: Weak<C>,
miner: Weak<M>,
}
impl<A: 'static, C: 'static, M: 'static> SignerClient<A, C, M>
where A: AccountProvider, C: BlockChainClient, M: MinerService {
/// Create new instance of signer client.
pub fn new(store: &Arc<A>, client: &Arc<C>, miner: &Arc<M>, queue: &Arc<ConfirmationsQueue>) -> Self {
SignerClient {
queue: Arc::downgrade(queue),
accounts: Arc::downgrade(store),
client: Arc::downgrade(client),
miner: Arc::downgrade(miner),
}
}
}
impl<A: 'static, C: 'static, M: 'static> PersonalSigner for SignerClient<A, C, M>
where A: AccountProvider, C: BlockChainClient, M: MinerService {
fn transactions_to_confirm(&self, _params: Params) -> Result<Value, Error> {
let queue = take_weak!(self.queue);
to_value(&queue.requests())
}
fn confirm_transaction(&self, params: Params) -> Result<Value, Error> {
from_params::<(U256, TransactionModification, String)>(params).and_then(
|(id, modification, pass)| {
let accounts = take_weak!(self.accounts);
let queue = take_weak!(self.queue);
queue.remove_request(id)
.and_then(|confirmation| {
let mut request = confirmation.transaction;
// apply modification
if let Some(gas_price) = modification.gas_price {
request.gas_price = Some(gas_price);
}
match accounts.locked_account_secret(&request.from, &pass) {
Ok(secret) => Some(sign_and_dispatch(&self.client, &self.miner, request, secret)),
Err(_) => None
}
})
.unwrap_or_else(|| to_value(&H256::zero()))
}
)
}
fn reject_transaction(&self, params: Params) -> Result<Value, Error> {
from_params::<(U256, )>(params).and_then(
|(id, )| {
let queue = take_weak!(self.queue);
let res = queue.remove_request(id);
to_value(&res.is_some())
}
)
}
}

3
rpc/src/v1/mod.rs
View File

@ -25,5 +25,6 @@ pub mod traits;
pub mod tests;
pub mod types;
pub use self::traits::{Web3, Eth, EthFilter, Personal, Net, Ethcore, Traces, Rpc};
pub use self::traits::{Web3, Eth, EthFilter, EthSigning, Personal, PersonalSigner, Net, Ethcore, Traces, Rpc};
pub use self::impls::*;
pub use self::helpers::{SigningQueue, ConfirmationsQueue};

15
rpc/src/v1/tests/eth.rs
View File

@ -35,8 +35,8 @@ use util::keys::{AccountProvider, TestAccount, TestAccountProvider};
use jsonrpc_core::IoHandler;
use ethjson::blockchain::BlockChain;
use v1::traits::eth::Eth;
use v1::impls::EthClient;
use v1::traits::eth::{Eth, EthSigning};
use v1::impls::{EthClient, EthSigningUnsafeClient};
use v1::tests::helpers::{TestSyncProvider, Config};
fn account_provider() -> Arc<TestAccountProvider> {
@ -109,10 +109,15 @@ impl EthTester {
&miner_service,
&external_miner
);
let eth_sign = EthSigningUnsafeClient::new(
&client,
&account_provider,
&miner_service
);
let handler = IoHandler::new();
let delegate = eth_client.to_delegate();
handler.add_delegate(delegate);
handler.add_delegate(eth_client.to_delegate());
handler.add_delegate(eth_sign.to_delegate());
EthTester {
_miner: miner_service,
@ -352,4 +357,4 @@ fn verify_transaction_counts(name: String, chain: BlockChain) {
register_test!(eth_transaction_count_1, verify_transaction_counts, "BlockchainTests/bcWalletTest");
register_test!(eth_transaction_count_2, verify_transaction_counts, "BlockchainTests/bcTotalDifficultyTest");
register_test!(eth_transaction_count_3, verify_transaction_counts, "BlockchainTests/bcGasPricerTest");
register_test!(eth_transaction_count_3, verify_transaction_counts, "BlockchainTests/bcGasPricerTest");

5
rpc/src/v1/tests/mocked/eth.rs
View File

@ -27,7 +27,7 @@ use ethcore::receipt::LocalizedReceipt;
use ethcore::transaction::{Transaction, Action};
use ethminer::{ExternalMiner, MinerService};
use ethsync::SyncState;
use v1::{Eth, EthClient};
use v1::{Eth, EthClient, EthSigning, EthSigningUnsafeClient};
use v1::tests::helpers::{TestSyncProvider, Config, TestMinerService};
use rustc_serialize::hex::ToHex;
@ -72,8 +72,11 @@ impl Default for EthTester {
let hashrates = Arc::new(RwLock::new(HashMap::new()));
let external_miner = Arc::new(ExternalMiner::new(hashrates.clone()));
let eth = EthClient::new(&client, &sync, &ap, &miner, &external_miner).to_delegate();
let sign = EthSigningUnsafeClient::new(&client, &ap, &miner).to_delegate();
let io = IoHandler::new();
io.add_delegate(eth);
io.add_delegate(sign);
EthTester {
client: client,
sync: sync,

75
rpc/src/v1/tests/mocked/eth_signing.rs Normal file
View File

@ -0,0 +1,75 @@
// 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/>.
use std::sync::Arc;
use jsonrpc_core::IoHandler;
use v1::impls::EthSigningQueueClient;
use v1::traits::EthSigning;
use v1::helpers::{ConfirmationsQueue, SigningQueue};
use util::keys::TestAccount;
struct EthSigningTester {
pub queue: Arc<ConfirmationsQueue>,
pub io: IoHandler,
}
impl Default for EthSigningTester {
fn default() -> Self {
let queue = Arc::new(ConfirmationsQueue::default());
let io = IoHandler::new();
io.add_delegate(EthSigningQueueClient::new(&queue).to_delegate());
EthSigningTester {
queue: queue,
io: io,
}
}
}
fn eth_signing() -> EthSigningTester {
EthSigningTester::default()
}
#[test]
fn should_add_transaction_to_queue() {
// given
let tester = eth_signing();
let account = TestAccount::new("123");
let address = account.address();
assert_eq!(tester.queue.requests().len(), 0);
// when
let request = r#"{
"jsonrpc": "2.0",
"method": "eth_sendTransaction",
"params": [{
"from": ""#.to_owned() + format!("0x{:?}", address).as_ref() + r#"",
"to": "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
"gas": "0x76c0",
"gasPrice": "0x9184e72a000",
"value": "0x9184e72a"
}],
"id": 1
}"#;
let response = r#"{"jsonrpc":"2.0","result":"0x0000000000000000000000000000000000000000000000000000000000000000","id":1}"#;
// then
assert_eq!(tester.io.handle_request(&request), Some(response.to_owned()));
assert_eq!(tester.queue.requests().len(), 1);
}

2
rpc/src/v1/tests/mocked/mod.rs
View File

@ -18,8 +18,10 @@
//! method calls properly.
mod eth;
mod eth_signing;
mod net;
mod web3;
mod personal;
mod personal_signer;
mod ethcore;
mod rpc;

2
rpc/src/v1/tests/mocked/personal.rs
View File

@ -176,4 +176,4 @@ fn sign_and_send_transaction() {
let response = r#"{"jsonrpc":"2.0","result":""#.to_owned() + format!("0x{:?}", t.hash()).as_ref() + r#"","id":1}"#;
assert_eq!(tester.io.handle_request(request.as_ref()), Some(response));
}
}

169
rpc/src/v1/tests/mocked/personal_signer.rs Normal file
View File

@ -0,0 +1,169 @@
// 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/>.
use std::sync::Arc;
use std::str::FromStr;
use std::collections::HashMap;
use jsonrpc_core::IoHandler;
use util::numbers::*;
use util::keys::{TestAccount, TestAccountProvider};
use ethcore::client::TestBlockChainClient;
use ethcore::transaction::{Transaction, Action};
use v1::{SignerClient, PersonalSigner};
use v1::tests::helpers::TestMinerService;
use v1::helpers::{SigningQueue, ConfirmationsQueue};
use v1::types::TransactionRequest;
struct PersonalSignerTester {
queue: Arc<ConfirmationsQueue>,
accounts: Arc<TestAccountProvider>,
io: IoHandler,
miner: Arc<TestMinerService>,
// these unused fields are necessary to keep the data alive
// as the handler has only weak pointers.
_client: Arc<TestBlockChainClient>,
}
fn blockchain_client() -> Arc<TestBlockChainClient> {
let client = TestBlockChainClient::new();
Arc::new(client)
}
fn accounts_provider() -> Arc<TestAccountProvider> {
let accounts = HashMap::new();
let ap = TestAccountProvider::new(accounts);
Arc::new(ap)
}
fn miner_service() -> Arc<TestMinerService> {
Arc::new(TestMinerService::default())
}
fn signer_tester() -> PersonalSignerTester {
let queue = Arc::new(ConfirmationsQueue::default());
let accounts = accounts_provider();
let client = blockchain_client();
let miner = miner_service();
let io = IoHandler::new();
io.add_delegate(SignerClient::new(&accounts, &client, &miner, &queue).to_delegate());
PersonalSignerTester {
queue: queue,
accounts: accounts,
io: io,
miner: miner,
_client: client,
}
}
#[test]
fn should_return_list_of_transactions_in_queue() {
// given
let tester = signer_tester();
tester.queue.add_request(TransactionRequest {
from: Address::from(1),
to: Some(Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap()),
gas_price: Some(U256::from(10_000)),
gas: Some(U256::from(10_000_000)),
value: Some(U256::from(1)),
data: None,
nonce: None,
});
// when
let request = r#"{"jsonrpc":"2.0","method":"personal_transactionsToConfirm","params":[],"id":1}"#;
let response = r#"{"jsonrpc":"2.0","result":[{"id":"0x01","transaction":{"data":null,"from":"0x0000000000000000000000000000000000000001","gas":"0x989680","gasPrice":"0x2710","nonce":null,"to":"0xd46e8dd67c5d32be8058bb8eb970870f07244567","value":"0x01"}}],"id":1}"#;
// then
assert_eq!(tester.io.handle_request(&request), Some(response.to_owned()));
}
#[test]
fn should_reject_transaction_from_queue_without_dispatching() {
// given
let tester = signer_tester();
tester.queue.add_request(TransactionRequest {
from: Address::from(1),
to: Some(Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap()),
gas_price: Some(U256::from(10_000)),
gas: Some(U256::from(10_000_000)),
value: Some(U256::from(1)),
data: None,
nonce: None,
});
assert_eq!(tester.queue.requests().len(), 1);
// when
let request = r#"{"jsonrpc":"2.0","method":"personal_rejectTransaction","params":["0x01"],"id":1}"#;
let response = r#"{"jsonrpc":"2.0","result":true,"id":1}"#;
// then
assert_eq!(tester.io.handle_request(&request), Some(response.to_owned()));
assert_eq!(tester.queue.requests().len(), 0);
assert_eq!(tester.miner.imported_transactions.lock().unwrap().len(), 0);
}
#[test]
fn should_confirm_transaction_and_dispatch() {
// given
let tester = signer_tester();
let account = TestAccount::new("test");
let address = account.address();
let secret = account.secret.clone();
let recipient = Address::from_str("d46e8dd67c5d32be8058bb8eb970870f07244567").unwrap();
tester.accounts.accounts
.write()
.unwrap()
.insert(address, account);
tester.queue.add_request(TransactionRequest {
from: address,
to: Some(recipient),
gas_price: Some(U256::from(10_000)),
gas: Some(U256::from(10_000_000)),
value: Some(U256::from(1)),
data: None,
nonce: None,
});
let t = Transaction {
nonce: U256::zero(),
gas_price: U256::from(0x1000),
gas: U256::from(10_000_000),
action: Action::Call(recipient),
value: U256::from(0x1),
data: vec![]
}.sign(&secret);
assert_eq!(tester.queue.requests().len(), 1);
// when
let request = r#"{
"jsonrpc":"2.0",
"method":"personal_confirmTransaction",
"params":["0x01", {"gasPrice":"0x1000"}, "test"],
"id":1
}"#;
let response = r#"{"jsonrpc":"2.0","result":""#.to_owned() + format!("0x{:?}", t.hash()).as_ref() + r#"","id":1}"#;
// then
assert_eq!(tester.io.handle_request(&request), Some(response.to_owned()));
assert_eq!(tester.queue.requests().len(), 0);
assert_eq!(tester.miner.imported_transactions.lock().unwrap().len(), 1);
}

25
rpc/src/v1/traits/eth.rs
View File

@ -74,12 +74,6 @@ pub trait Eth: Sized + Send + Sync + 'static {
/// Returns the code at given address at given time (block number).
fn code_at(&self, _: Params) -> Result<Value, Error>;
/// Signs the data with given address signature.
fn sign(&self, _: Params) -> Result<Value, Error>;
/// Sends transaction.
fn send_transaction(&self, _: Params) -> Result<Value, Error>;
/// Sends signed transaction.
fn send_raw_transaction(&self, _: Params) -> Result<Value, Error>;
@ -150,8 +144,6 @@ pub trait Eth: Sized + Send + Sync + 'static {
delegate.add_method("eth_getUncleCountByBlockHash", Eth::block_uncles_count_by_hash);
delegate.add_method("eth_getUncleCountByBlockNumber", Eth::block_uncles_count_by_number);
delegate.add_method("eth_getCode", Eth::code_at);
delegate.add_method("eth_sign", Eth::sign);
delegate.add_method("eth_sendTransaction", Eth::send_transaction);
delegate.add_method("eth_sendRawTransaction", Eth::send_raw_transaction);
delegate.add_method("eth_call", Eth::call);
delegate.add_method("eth_estimateGas", Eth::estimate_gas);
@ -208,3 +200,20 @@ pub trait EthFilter: Sized + Send + Sync + 'static {
delegate
}
}
/// Signing methods implementation relying on unlocked accounts.
pub trait EthSigning: Sized + Send + Sync + 'static {
/// Signs the data with given address signature.
fn sign(&self, _: Params) -> Result<Value, Error>;
/// Sends transaction.
fn send_transaction(&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("eth_sign", EthSigning::sign);
delegate.add_method("eth_sendTransaction", EthSigning::send_transaction);
delegate
}
}

6
rpc/src/v1/traits/mod.rs
View File

@ -25,9 +25,11 @@ pub mod traces;
pub mod rpc;
pub use self::web3::Web3;
pub use self::eth::{Eth, EthFilter};
pub use self::eth::{Eth, EthFilter, EthSigning};
pub use self::net::Net;
pub use self::personal::Personal;
pub use self::personal::{Personal, PersonalSigner};
pub use self::ethcore::Ethcore;
pub use self::traces::Traces;
pub use self::rpc::Rpc;

23
rpc/src/v1/traits/personal.rs
View File

@ -43,3 +43,26 @@ pub trait Personal: Sized + Send + Sync + 'static {
delegate
}
}
/// Personal extension for transactions confirmations rpc interface.
pub trait PersonalSigner: Sized + Send + Sync + 'static {
/// Returns a list of transactions to confirm.
fn transactions_to_confirm(&self, _: Params) -> Result<Value, Error>;
/// Confirm and send a specific transaction.
fn confirm_transaction(&self, _: Params) -> Result<Value, Error>;
/// Reject the transaction request.
fn reject_transaction(&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("personal_transactionsToConfirm", PersonalSigner::transactions_to_confirm);
delegate.add_method("personal_confirmTransaction", PersonalSigner::confirm_transaction);
delegate.add_method("personal_rejectTransaction", PersonalSigner::reject_transaction);
delegate
}
}

2
rpc/src/v1/types/mod.rs.in
View File

@ -38,7 +38,7 @@ pub use self::log::Log;
pub use self::optionals::OptionalValue;
pub use self::sync::{SyncStatus, SyncInfo};
pub use self::transaction::Transaction;
pub use self::transaction_request::TransactionRequest;
pub use self::transaction_request::{TransactionRequest, TransactionConfirmation, TransactionModification};
pub use self::call_request::CallRequest;
pub use self::receipt::Receipt;
pub use self::trace::Trace;

41
rpc/src/v1/types/transaction_request.rs
View File

@ -21,7 +21,7 @@ use util::numbers::U256;
use v1::types::bytes::Bytes;
/// Transaction request coming from RPC
#[derive(Debug, Clone, Default, Eq, PartialEq, Hash, Deserialize)]
#[derive(Debug, Clone, Default, Eq, PartialEq, Hash, Serialize, Deserialize)]
pub struct TransactionRequest {
/// Sender
pub from: Address,
@ -40,6 +40,24 @@ pub struct TransactionRequest {
pub nonce: Option<U256>,
}
/// Transaction confirmation waiting in a queue
#[derive(Debug, Clone, Default, Eq, PartialEq, Hash, Serialize)]
pub struct TransactionConfirmation {
/// Id of this confirmation
pub id: U256,
/// TransactionRequest
pub transaction: TransactionRequest,
}
/// Possible modifications to the confirmed transaction sent by SystemUI
#[derive(Debug, PartialEq, Deserialize)]
pub struct TransactionModification {
/// Modified gas price
#[serde(rename="gasPrice")]
pub gas_price: Option<U256>,
}
#[cfg(test)]
mod tests {
use std::str::FromStr;
@ -135,5 +153,26 @@ mod tests {
nonce: None,
});
}
#[test]
fn should_deserialize_modification() {
// given
let s1 = r#"{
"gasPrice":"0x0ba43b7400"
}"#;
let s2 = r#"{}"#;
// when
let res1: TransactionModification = serde_json::from_str(s1).unwrap();
let res2: TransactionModification = serde_json::from_str(s2).unwrap();
// then
assert_eq!(res1, TransactionModification {
gas_price: Some(U256::from_str("0ba43b7400").unwrap()),
});
assert_eq!(res2, TransactionModification {
gas_price: None,
});
}
}

8
signer/Cargo.toml
View File

@ -9,13 +9,8 @@ build = "build.rs"
[build-dependencies]
rustc_version = "0.1"
serde_codegen = { version = "0.7.0", optional = true }
syntex = "^0.32.0"
[dependencies]
serde = "0.7.0"
serde_json = "0.7.0"
rustc-serialize = "0.3"
jsonrpc-core = "2.0"
log = "0.3"
env_logger = "0.3"
@ -23,10 +18,7 @@ ws = "0.4.7"
ethcore-util = { path = "../util" }
ethcore-rpc = { path = "../rpc" }
serde_macros = { version = "0.7.0", optional = true }
clippy = { version = "0.0.69", optional = true}
[features]
default = ["serde_codegen"]
nightly = ["serde_macros"]
dev = ["clippy"]

27
signer/build.rs
View File

@ -19,34 +19,7 @@ extern crate rustc_version;
use rustc_version::{version_meta, Channel};
fn main() {
serde::main();
if let Channel::Nightly = version_meta().channel {
println!("cargo:rustc-cfg=nightly");
}
}
#[cfg(not(feature = "serde_macros"))]
mod serde {
extern crate syntex;
extern crate serde_codegen;
use std::env;
use std::path::Path;
pub fn main() {
let out_dir = env::var_os("OUT_DIR").unwrap();
let src = Path::new("src/types/mod.rs.in");
let dst = Path::new(&out_dir).join("mod.rs");
let mut registry = syntex::Registry::new();
serde_codegen::register(&mut registry);
registry.expand("", &src, &dst).unwrap();
}
}
#[cfg(feature = "serde_macros")]
mod serde {
pub fn main() {}
}

8
signer/src/lib.rs
View File

@ -17,8 +17,6 @@
#![warn(missing_docs)]
#![cfg_attr(all(nightly, feature="dev"), feature(plugin))]
#![cfg_attr(all(nightly, feature="dev"), plugin(clippy))]
// Generated by serde
#![cfg_attr(all(nightly, feature="dev"), allow(redundant_closure_call))]
//! Signer module
//!
@ -45,18 +43,12 @@
extern crate log;
extern crate env_logger;
extern crate serde;
extern crate serde_json;
extern crate rustc_serialize;
extern crate ethcore_util as util;
extern crate ethcore_rpc as rpc;
extern crate jsonrpc_core;
extern crate ws;
mod signing_queue;
mod ws_server;
pub use ws_server::*;
#[cfg(test)]

74
signer/src/signing_queue.rs
View File

@ -1,74 +0,0 @@
// 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/>.
use std::collections::HashSet;
use rpc::v1::types::TransactionRequest;
pub trait SigningQueue {
fn add_request(&mut self, transaction: TransactionRequest);
fn remove_request(&mut self, id: TransactionRequest);
fn requests(&self) -> &HashSet<TransactionRequest>;
}
impl SigningQueue for HashSet<TransactionRequest> {
fn add_request(&mut self, transaction: TransactionRequest) {
self.insert(transaction);
}
fn remove_request(&mut self, id: TransactionRequest) {
self.remove(&id);
}
fn requests(&self) -> &HashSet<TransactionRequest> {
self
}
}
#[cfg(test)]
mod test {
use std::collections::HashSet;
use util::hash::Address;
use util::numbers::U256;
use rpc::v1::types::TransactionRequest;
use super::*;
#[test]
fn should_work_for_hashset() {
// given
let mut queue = HashSet::new();
let request = TransactionRequest {
from: Address::from(1),
to: Some(Address::from(2)),
gas_price: None,
gas: None,
value: Some(U256::from(10_000_000)),
data: None,
nonce: None,
};
// when
queue.add_request(request.clone());
let all = queue.requests();
// then
assert_eq!(all.len(), 1);
assert!(all.contains(&request));
}
}

23
signer/src/types/mod.rs
View File

@ -1,23 +0,0 @@
// 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/>.
//! Reusable types with JSON Serialization.
#[cfg(feature = "serde_macros")]
include!("mod.rs.in");
#[cfg(not(feature = "serde_macros"))]
include!(concat!(env!("OUT_DIR"), "/mod.rs"));

25
signer/src/types/mod.rs.in
View File

@ -1,25 +0,0 @@
// 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/>.
// TODO [ToDr] Types are empty for now. But they are about to come.

12
signer/src/ws_server/mod.rs
View File

@ -25,6 +25,7 @@ use std::sync::Arc;
use std::net::SocketAddr;
use util::panics::{PanicHandler, OnPanicListener, MayPanic};
use jsonrpc_core::{IoHandler, IoDelegate};
use rpc::Extendable;
mod session;
@ -57,6 +58,12 @@ impl Default for ServerBuilder {
}
}
impl Extendable for ServerBuilder {
fn add_delegate<D: Send + Sync + 'static>(&self, delegate: IoDelegate<D>) {
self.handler.add_delegate(delegate);
}
}
impl ServerBuilder {
/// Creates new `ServerBuilder`
pub fn new() -> Self {
@ -65,11 +72,6 @@ impl ServerBuilder {
}
}
/// Adds rpc delegate
pub fn add_delegate<D>(&self, delegate: IoDelegate<D>) where D: Send + Sync + 'static {
self.handler.add_delegate(delegate);
}
/// Starts a new `WebSocket` server in separate thread.
/// Returns a `Server` handle which closes the server when droped.
pub fn start(self, addr: SocketAddr) -> Result<Server, ServerError> {