openethereum/rpc/src/v1/impls/light/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.
//! Implementation for light client.
use std::io;
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use std::sync::Arc;
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use ethsync::ManageNetwork;
use fetch::{self, Fetch};
use futures_cpupool::CpuPool;
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use hash::keccak_buffer;
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use jsonrpc_core::{Result, BoxFuture};
use jsonrpc_core::futures::Future;
use v1::helpers::dapps::DappsService;
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use v1::helpers::errors;
use v1::traits::ParitySet;
use v1::types::{Bytes, H160, H256, U256, ReleaseInfo, Transaction, LocalDapp};
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/// Parity-specific rpc interface for operations altering the settings.
pub struct ParitySetClient<F> {
net: Arc<ManageNetwork>,
dapps: Option<Arc<DappsService>>,
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fetch: F,
pool: CpuPool,
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}
impl<F: Fetch> ParitySetClient<F> {
/// Creates new `ParitySetClient` with given `Fetch`.
pub fn new(net: Arc<ManageNetwork>, dapps: Option<Arc<DappsService>>, fetch: F, p: CpuPool) -> Self {
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ParitySetClient {
net: net,
dapps: dapps,
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fetch: fetch,
pool: p,
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}
}
}
impl<F: Fetch> ParitySet for ParitySetClient<F> {
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fn set_min_gas_price(&self, _gas_price: U256) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_gas_floor_target(&self, _target: U256) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_gas_ceil_target(&self, _target: U256) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_extra_data(&self, _extra_data: Bytes) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_author(&self, _author: H160) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_engine_signer(&self, _address: H160, _password: String) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_transactions_limit(&self, _limit: usize) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_tx_gas_limit(&self, _limit: U256) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn add_reserved_peer(&self, peer: String) -> Result<bool> {
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match self.net.add_reserved_peer(peer) {
Ok(()) => Ok(true),
Err(e) => Err(errors::invalid_params("Peer address", e)),
}
}
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fn remove_reserved_peer(&self, peer: String) -> Result<bool> {
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match self.net.remove_reserved_peer(peer) {
Ok(()) => Ok(true),
Err(e) => Err(errors::invalid_params("Peer address", e)),
}
}
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fn drop_non_reserved_peers(&self) -> Result<bool> {
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self.net.deny_unreserved_peers();
Ok(true)
}
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fn accept_non_reserved_peers(&self) -> Result<bool> {
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self.net.accept_unreserved_peers();
Ok(true)
}
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fn start_network(&self) -> Result<bool> {
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self.net.start_network();
Ok(true)
}
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fn stop_network(&self) -> Result<bool> {
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self.net.stop_network();
Ok(true)
}
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fn set_mode(&self, _mode: String) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn set_spec_name(&self, _spec_name: String) -> Result<bool> {
Err(errors::light_unimplemented(None))
}
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fn hash_content(&self, url: String) -> BoxFuture<H256> {
let future = self.fetch.fetch(&url, Default::default()).then(move |result| {
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result
.map_err(errors::fetch)
.and_then(move |response| {
let mut reader = io::BufReader::new(fetch::BodyReader::new(response));
keccak_buffer(&mut reader).map_err(errors::fetch)
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})
.map(Into::into)
});
Box::new(self.pool.spawn(future))
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}
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fn dapps_refresh(&self) -> Result<bool> {
self.dapps.as_ref().map(|dapps| dapps.refresh_local_dapps()).ok_or_else(errors::dapps_disabled)
}
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fn dapps_list(&self) -> Result<Vec<LocalDapp>> {
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>> {
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Err(errors::light_unimplemented(None))
}
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fn execute_upgrade(&self) -> Result<bool> {
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Err(errors::light_unimplemented(None))
}
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fn remove_transaction(&self, _hash: H256) -> Result<Option<Transaction>> {
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Err(errors::light_unimplemented(None))
}
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}