openethereum/parity/rpc_apis.rs

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// 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;
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#[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,
}
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pub enum ApiError {
UnknownApi(String)
}
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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 {
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pub signer_enabled: bool,
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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),
})
}
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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]
}
}
}
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pub fn setup_rpc<T: Extendable>(server: T, deps: Arc<Dependencies>, apis: ApiSet) -> T {
use ethcore_rpc::v1::*;
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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());
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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 => {
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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
}