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;
use ethcore::miner::MinerService;
use ethcore::client::MiningBlockChainClient;
use ethcore::mode::Mode;
use ethsync::ManageNetwork;
use fetch::{self, Fetch};
use futures::{BoxFuture, Future};
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use hash::keccak_buffer;
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use updater::{Service as UpdateService};
use jsonrpc_core::Error;
use v1::helpers::dapps::DappsService;
use v1::helpers::errors;
use v1::traits::ParitySet;
use v1::types::{Bytes, H160, H256, U256, ReleaseInfo, Transaction, LocalDapp};
/// Parity-specific rpc interface for operations altering the settings.
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pub struct ParitySetClient<C, M, U, F = fetch::Client> {
client: Arc<C>,
miner: Arc<M>,
updater: Arc<U>,
net: Arc<ManageNetwork>,
dapps: Option<Arc<DappsService>>,
fetch: F,
eip86_transition: u64,
}
impl<C, M, U, F> ParitySetClient<C, M, U, F>
where C: MiningBlockChainClient + 'static,
{
/// Creates new `ParitySetClient` with given `Fetch`.
pub fn new(
client: &Arc<C>,
miner: &Arc<M>,
updater: &Arc<U>,
net: &Arc<ManageNetwork>,
dapps: Option<Arc<DappsService>>,
fetch: F,
) -> Self {
ParitySetClient {
client: client.clone(),
miner: miner.clone(),
updater: updater.clone(),
net: net.clone(),
dapps: dapps,
fetch: fetch,
eip86_transition: client.eip86_transition(),
}
}
}
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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> {
self.miner.set_minimal_gas_price(gas_price.into());
Ok(true)
}
fn set_gas_floor_target(&self, target: U256) -> Result<bool, Error> {
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> {
self.miner.set_gas_ceil_target(target.into());
Ok(true)
}
fn set_extra_data(&self, extra_data: Bytes) -> Result<bool, Error> {
self.miner.set_extra_data(extra_data.into_vec());
Ok(true)
}
fn set_author(&self, author: H160) -> Result<bool, Error> {
self.miner.set_author(author.into());
Ok(true)
}
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fn set_engine_signer(&self, address: H160, password: String) -> Result<bool, Error> {
self.miner.set_engine_signer(address.into(), password).map_err(Into::into).map_err(errors::password)?;
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Ok(true)
}
fn set_transactions_limit(&self, limit: usize) -> Result<bool, Error> {
self.miner.set_transactions_limit(limit);
Ok(true)
}
fn set_tx_gas_limit(&self, limit: U256) -> Result<bool, Error> {
self.miner.set_tx_gas_limit(limit.into());
Ok(true)
}
fn add_reserved_peer(&self, peer: String) -> Result<bool, Error> {
match 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 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> {
self.net.deny_unreserved_peers();
Ok(true)
}
fn accept_non_reserved_peers(&self) -> Result<bool, Error> {
self.net.accept_unreserved_peers();
Ok(true)
}
fn start_network(&self) -> Result<bool, Error> {
self.net.start_network();
Ok(true)
}
fn stop_network(&self) -> Result<bool, Error> {
self.net.stop_network();
Ok(true)
}
fn set_mode(&self, mode: String) -> Result<bool, Error> {
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 set_spec_name(&self, spec_name: String) -> Result<bool, Error> {
self.client.set_spec_name(spec_name);
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::fetch)
.and_then(|response| {
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keccak_buffer(&mut io::BufReader::new(response)).map_err(errors::fetch)
})
.map(Into::into)
}))
}
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fn dapps_refresh(&self) -> Result<bool, Error> {
self.dapps.as_ref().map(|dapps| dapps.refresh_local_dapps()).ok_or_else(errors::dapps_disabled)
}
fn dapps_list(&self) -> Result<Vec<LocalDapp>, Error> {
self.dapps.as_ref().map(|dapps| dapps.list_dapps()).ok_or_else(errors::dapps_disabled)
}
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fn upgrade_ready(&self) -> Result<Option<ReleaseInfo>, Error> {
Ok(self.updater.upgrade_ready().map(Into::into))
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}
fn execute_upgrade(&self) -> Result<bool, Error> {
Ok(self.updater.execute_upgrade())
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}
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fn remove_transaction(&self, hash: H256) -> Result<Option<Transaction>, Error> {
let block_number = self.client.chain_info().best_block_number;
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let hash = hash.into();
Ok(self.miner.remove_pending_transaction(&*self.client, &hash).map(|t| Transaction::from_pending(t, block_number, self.eip86_transition)))
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}
}