openethereum/rpc/src/v1/impls/parity_set.rs

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// Copyright 2015-2017 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
/// Parity-specific rpc interface for operations altering the settings.
use std::io;
use std::sync::{Arc, Weak};
use ethcore::miner::MinerService;
use ethcore::client::MiningBlockChainClient;
use ethcore::mode::Mode;
use ethsync::ManageNetwork;
use fetch::{self, Fetch};
use futures::{BoxFuture, Future};
use util::sha3;
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use updater::{Service as UpdateService};
use jsonrpc_core::Error;
use v1::helpers::errors;
use v1::traits::ParitySet;
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use v1::types::{Bytes, H160, H256, U256, ReleaseInfo};
/// Parity-specific rpc interface for operations altering the settings.
pub struct ParitySetClient<C, M, U, F=fetch::Client> where
C: MiningBlockChainClient,
M: MinerService,
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U: UpdateService,
F: Fetch,
{
client: Weak<C>,
miner: Weak<M>,
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updater: Weak<U>,
net: Weak<ManageNetwork>,
fetch: F,
}
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impl<C, M, U, F> ParitySetClient<C, M, U, F> where
C: MiningBlockChainClient,
M: MinerService,
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U: UpdateService,
F: Fetch,
{
/// Creates new `ParitySetClient` with given `Fetch`.
pub fn new(client: &Arc<C>, miner: &Arc<M>, updater: &Arc<U>, net: &Arc<ManageNetwork>, fetch: F) -> Self {
ParitySetClient {
client: Arc::downgrade(client),
miner: Arc::downgrade(miner),
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updater: Arc::downgrade(updater),
net: Arc::downgrade(net),
fetch: fetch,
}
}
}
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impl<C, M, U, F> ParitySet for ParitySetClient<C, M, U, F> where
C: MiningBlockChainClient + 'static,
M: MinerService + 'static,
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U: UpdateService + 'static,
F: Fetch + 'static,
{
fn set_min_gas_price(&self, gas_price: U256) -> Result<bool, Error> {
take_weak!(self.miner).set_minimal_gas_price(gas_price.into());
Ok(true)
}
fn set_gas_floor_target(&self, target: U256) -> Result<bool, Error> {
take_weak!(self.miner).set_gas_floor_target(target.into());
Ok(true)
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}
fn set_gas_ceil_target(&self, target: U256) -> Result<bool, Error> {
take_weak!(self.miner).set_gas_ceil_target(target.into());
Ok(true)
}
fn set_extra_data(&self, extra_data: Bytes) -> Result<bool, Error> {
take_weak!(self.miner).set_extra_data(extra_data.into_vec());
Ok(true)
}
fn set_author(&self, author: H160) -> Result<bool, Error> {
take_weak!(self.miner).set_author(author.into());
Ok(true)
}
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fn set_engine_signer(&self, address: H160, password: String) -> Result<bool, Error> {
take_weak!(self.miner).set_engine_signer(address.into(), password).map_err(Into::into).map_err(errors::from_password_error)?;
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Ok(true)
}
fn set_transactions_limit(&self, limit: usize) -> Result<bool, Error> {
take_weak!(self.miner).set_transactions_limit(limit);
Ok(true)
}
fn set_tx_gas_limit(&self, limit: U256) -> Result<bool, Error> {
take_weak!(self.miner).set_tx_gas_limit(limit.into());
Ok(true)
}
fn add_reserved_peer(&self, peer: String) -> Result<bool, Error> {
match take_weak!(self.net).add_reserved_peer(peer) {
Ok(()) => Ok(true),
Err(e) => Err(errors::invalid_params("Peer address", e)),
}
}
fn remove_reserved_peer(&self, peer: String) -> Result<bool, Error> {
match take_weak!(self.net).remove_reserved_peer(peer) {
Ok(()) => Ok(true),
Err(e) => Err(errors::invalid_params("Peer address", e)),
}
}
fn drop_non_reserved_peers(&self) -> Result<bool, Error> {
take_weak!(self.net).deny_unreserved_peers();
Ok(true)
}
fn accept_non_reserved_peers(&self) -> Result<bool, Error> {
take_weak!(self.net).accept_unreserved_peers();
Ok(true)
}
fn start_network(&self) -> Result<bool, Error> {
take_weak!(self.net).start_network();
Ok(true)
}
fn stop_network(&self) -> Result<bool, Error> {
take_weak!(self.net).stop_network();
Ok(true)
}
fn set_mode(&self, mode: String) -> Result<bool, Error> {
take_weak!(self.client).set_mode(match mode.as_str() {
"offline" => Mode::Off,
"dark" => Mode::Dark(300),
"passive" => Mode::Passive(300, 3600),
"active" => Mode::Active,
e => { return Err(errors::invalid_params("mode", e.to_owned())); },
});
Ok(true)
}
fn hash_content(&self, url: String) -> BoxFuture<H256, Error> {
self.fetch.process(self.fetch.fetch(&url).then(move |result| {
result
.map_err(errors::from_fetch_error)
.and_then(|response| {
sha3(&mut io::BufReader::new(response)).map_err(errors::from_fetch_error)
})
.map(Into::into)
}))
}
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fn upgrade_ready(&self) -> Result<Option<ReleaseInfo>, Error> {
let updater = take_weak!(self.updater);
Ok(updater.upgrade_ready().map(Into::into))
}
fn execute_upgrade(&self) -> Result<bool, Error> {
let updater = take_weak!(self.updater);
Ok(updater.execute_upgrade())
}
}