openethereum/parity/dapps.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/>.
use std::path::PathBuf;
use std::sync::Arc;
use bytes::Bytes;
use dir::default_data_path;
use dir::helpers::replace_home;
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use ethcore::client::{Client, BlockChainClient, BlockId};
use ethsync::LightSync;
use futures::{Future, future, IntoFuture};
use hash_fetch::fetch::Client as FetchClient;
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use hash_fetch::urlhint::ContractClient;
use light::client::LightChainClient;
use light::on_demand::{self, OnDemand};
use node_health::{SyncStatus, NodeHealth};
use rpc;
use rpc_apis::SignerService;
use transaction::{Transaction, Action};
use ethereum_types::Address;
cli overhaul (#1600) * cli commands * cleanup parity/signer * cleanup parity/signer * remove redundant import of signer crate from main.rs * cli cleanup in progress * cli cleanup in progress * moved few commonly used functions to separate methods with tests * cleaning up blockchain import in progress * cleaning up blockchain import in progress2 * cleaning up blockchain import in progress3 * tests for database compaction profile parsing * cleaning up blockchain import in progress4 * cleaning up blockchain import in progress5 * blockchain import * export blockchain in progress * cleanup execute_export * Configuration::to_duration cleaned up * removed unused code, tests for to_duration * cleanup Configuration::mode function * parsing some of the cli params in params.rs * rpc and signer are no longer optional * move importing extern crates to main.rs file * swipe dies from rpc module * swipe dies from dapps * finding deprecated * several tests and fixes for parity * parity cleanup in progress * cleanup price parsing * parity cleanup in progress * swiped all dies * parity cleanup in progress * replace usages of from_str with parse() in parity/params.rs * removed few more from_str * split parity/params.rs into params and helpers * removed wildcard import from configuration.rs * cleanup directories/path creation * cleaning up run cmd * moved LoggerConfig * defaults for cli params * fixed indention in raise_fd_limit * tests for rpc_apis * tests for default ipc and rpc settings * ipc socket * cleanup in progress * account service * cleanup miner config * BlockChain commands use Directiores structure now * client_config * network settings and dapps configuration * removing warnings * default logger config * fixed client_path * overhaul * fixing export && import * default export DataFormat * import and export also upgrade db * fixed export && import * polishing pr * polishing pr * fixed custom bootnodes * fixed daemonize on windows * fixed setting up enable network * finished pr * fixed compiling on windows * Fixed warning; windows build * Better cache management * Fixed tests on windows * Fixed test * Restored pruning method names * --cache alias * Fixed more tests * Ensure default options actually listed as valid [ci:skip]
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#[derive(Debug, PartialEq, Clone)]
pub struct Configuration {
pub enabled: bool,
pub dapps_path: PathBuf,
pub extra_dapps: Vec<PathBuf>,
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pub extra_embed_on: Vec<(String, u16)>,
pub extra_script_src: Vec<(String, u16)>,
}
cli overhaul (#1600) * cli commands * cleanup parity/signer * cleanup parity/signer * remove redundant import of signer crate from main.rs * cli cleanup in progress * cli cleanup in progress * moved few commonly used functions to separate methods with tests * cleaning up blockchain import in progress * cleaning up blockchain import in progress2 * cleaning up blockchain import in progress3 * tests for database compaction profile parsing * cleaning up blockchain import in progress4 * cleaning up blockchain import in progress5 * blockchain import * export blockchain in progress * cleanup execute_export * Configuration::to_duration cleaned up * removed unused code, tests for to_duration * cleanup Configuration::mode function * parsing some of the cli params in params.rs * rpc and signer are no longer optional * move importing extern crates to main.rs file * swipe dies from rpc module * swipe dies from dapps * finding deprecated * several tests and fixes for parity * parity cleanup in progress * cleanup price parsing * parity cleanup in progress * swiped all dies * parity cleanup in progress * replace usages of from_str with parse() in parity/params.rs * removed few more from_str * split parity/params.rs into params and helpers * removed wildcard import from configuration.rs * cleanup directories/path creation * cleaning up run cmd * moved LoggerConfig * defaults for cli params * fixed indention in raise_fd_limit * tests for rpc_apis * tests for default ipc and rpc settings * ipc socket * cleanup in progress * account service * cleanup miner config * BlockChain commands use Directiores structure now * client_config * network settings and dapps configuration * removing warnings * default logger config * fixed client_path * overhaul * fixing export && import * default export DataFormat * import and export also upgrade db * fixed export && import * polishing pr * polishing pr * fixed custom bootnodes * fixed daemonize on windows * fixed setting up enable network * finished pr * fixed compiling on windows * Fixed warning; windows build * Better cache management * Fixed tests on windows * Fixed test * Restored pruning method names * --cache alias * Fixed more tests * Ensure default options actually listed as valid [ci:skip]
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impl Default for Configuration {
fn default() -> Self {
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let data_dir = default_data_path();
cli overhaul (#1600) * cli commands * cleanup parity/signer * cleanup parity/signer * remove redundant import of signer crate from main.rs * cli cleanup in progress * cli cleanup in progress * moved few commonly used functions to separate methods with tests * cleaning up blockchain import in progress * cleaning up blockchain import in progress2 * cleaning up blockchain import in progress3 * tests for database compaction profile parsing * cleaning up blockchain import in progress4 * cleaning up blockchain import in progress5 * blockchain import * export blockchain in progress * cleanup execute_export * Configuration::to_duration cleaned up * removed unused code, tests for to_duration * cleanup Configuration::mode function * parsing some of the cli params in params.rs * rpc and signer are no longer optional * move importing extern crates to main.rs file * swipe dies from rpc module * swipe dies from dapps * finding deprecated * several tests and fixes for parity * parity cleanup in progress * cleanup price parsing * parity cleanup in progress * swiped all dies * parity cleanup in progress * replace usages of from_str with parse() in parity/params.rs * removed few more from_str * split parity/params.rs into params and helpers * removed wildcard import from configuration.rs * cleanup directories/path creation * cleaning up run cmd * moved LoggerConfig * defaults for cli params * fixed indention in raise_fd_limit * tests for rpc_apis * tests for default ipc and rpc settings * ipc socket * cleanup in progress * account service * cleanup miner config * BlockChain commands use Directiores structure now * client_config * network settings and dapps configuration * removing warnings * default logger config * fixed client_path * overhaul * fixing export && import * default export DataFormat * import and export also upgrade db * fixed export && import * polishing pr * polishing pr * fixed custom bootnodes * fixed daemonize on windows * fixed setting up enable network * finished pr * fixed compiling on windows * Fixed warning; windows build * Better cache management * Fixed tests on windows * Fixed test * Restored pruning method names * --cache alias * Fixed more tests * Ensure default options actually listed as valid [ci:skip]
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Configuration {
enabled: true,
dapps_path: replace_home(&data_dir, "$BASE/dapps").into(),
extra_dapps: vec![],
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extra_embed_on: vec![],
extra_script_src: vec![],
cli overhaul (#1600) * cli commands * cleanup parity/signer * cleanup parity/signer * remove redundant import of signer crate from main.rs * cli cleanup in progress * cli cleanup in progress * moved few commonly used functions to separate methods with tests * cleaning up blockchain import in progress * cleaning up blockchain import in progress2 * cleaning up blockchain import in progress3 * tests for database compaction profile parsing * cleaning up blockchain import in progress4 * cleaning up blockchain import in progress5 * blockchain import * export blockchain in progress * cleanup execute_export * Configuration::to_duration cleaned up * removed unused code, tests for to_duration * cleanup Configuration::mode function * parsing some of the cli params in params.rs * rpc and signer are no longer optional * move importing extern crates to main.rs file * swipe dies from rpc module * swipe dies from dapps * finding deprecated * several tests and fixes for parity * parity cleanup in progress * cleanup price parsing * parity cleanup in progress * swiped all dies * parity cleanup in progress * replace usages of from_str with parse() in parity/params.rs * removed few more from_str * split parity/params.rs into params and helpers * removed wildcard import from configuration.rs * cleanup directories/path creation * cleaning up run cmd * moved LoggerConfig * defaults for cli params * fixed indention in raise_fd_limit * tests for rpc_apis * tests for default ipc and rpc settings * ipc socket * cleanup in progress * account service * cleanup miner config * BlockChain commands use Directiores structure now * client_config * network settings and dapps configuration * removing warnings * default logger config * fixed client_path * overhaul * fixing export && import * default export DataFormat * import and export also upgrade db * fixed export && import * polishing pr * polishing pr * fixed custom bootnodes * fixed daemonize on windows * fixed setting up enable network * finished pr * fixed compiling on windows * Fixed warning; windows build * Better cache management * Fixed tests on windows * Fixed test * Restored pruning method names * --cache alias * Fixed more tests * Ensure default options actually listed as valid [ci:skip]
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}
}
}
impl Configuration {
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pub fn address(&self, address: Option<::parity_rpc::Host>) -> Option<::parity_rpc::Host> {
match self.enabled {
true => address,
false => None,
}
}
}
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/// Registrar implementation of the full client.
pub struct FullRegistrar {
/// Handle to the full client.
pub client: Arc<Client>,
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}
impl FullRegistrar {
pub fn new(client: Arc<Client>) -> Self {
FullRegistrar {
client,
}
}
}
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impl ContractClient for FullRegistrar {
fn registrar(&self) -> Result<Address, String> {
self.client.registrar_address()
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.ok_or_else(|| "Registrar not defined.".into())
}
fn call(&self, address: Address, data: Bytes) -> Box<Future<Item = Bytes, Error = String> + Send> {
Box::new(self.client.call_contract(BlockId::Latest, address, data).into_future())
}
}
/// Registrar implementation for the light client.
pub struct LightRegistrar<T> {
/// The light client.
pub client: Arc<T>,
/// Handle to the on-demand service.
pub on_demand: Arc<OnDemand>,
/// Handle to the light network service.
pub sync: Arc<LightSync>,
}
impl<T: LightChainClient + 'static> ContractClient for LightRegistrar<T> {
fn registrar(&self) -> Result<Address, String> {
self.client.engine().additional_params().get("registrar")
.ok_or_else(|| "Registrar not defined.".into())
.and_then(|registrar| {
registrar.parse().map_err(|e| format!("Invalid registrar address: {:?}", e))
})
}
fn call(&self, address: Address, data: Bytes) -> Box<Future<Item = Bytes, Error = String> + Send> {
let header = self.client.best_block_header();
let env_info = self.client.env_info(BlockId::Hash(header.hash()))
.ok_or_else(|| format!("Cannot fetch env info for header {}", header.hash()));
let env_info = match env_info {
Ok(e) => e,
Err(e) => return Box::new(future::err(e)),
};
let maybe_future = self.sync.with_context(move |ctx| {
self.on_demand
.request(ctx, on_demand::request::TransactionProof {
tx: Transaction {
nonce: self.client.engine().account_start_nonce(header.number()),
action: Action::Call(address),
gas: 50_000.into(), // should be enough for all registry lookups. TODO: exponential backoff
gas_price: 0.into(),
value: 0.into(),
data: data,
}.fake_sign(Address::default()),
header: header.into(),
env_info: env_info,
engine: self.client.engine().clone(),
})
.expect("No back-references; therefore all back-refs valid; qed")
.then(|res| match res {
Ok(Ok(executed)) => Ok(executed.output),
Ok(Err(e)) => Err(format!("Failed to execute transaction: {}", e)),
Err(_) => Err(format!("On-demand service dropped request unexpectedly.")),
})
});
match maybe_future {
Some(fut) => Box::new(fut),
None => Box::new(future::err("cannot query registry: network disabled".into())),
}
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}
}
// TODO: light client implementation forwarding to OnDemand and waiting for future
// to resolve.
#[derive(Clone)]
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pub struct Dependencies {
pub node_health: NodeHealth,
pub sync_status: Arc<SyncStatus>,
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pub contract_client: Arc<ContractClient>,
pub fetch: FetchClient,
pub signer: Arc<SignerService>,
pub ui_address: Option<(String, u16)>,
}
pub fn new(configuration: Configuration, deps: Dependencies) -> Result<Option<Middleware>, String> {
if !configuration.enabled {
cli overhaul (#1600) * cli commands * cleanup parity/signer * cleanup parity/signer * remove redundant import of signer crate from main.rs * cli cleanup in progress * cli cleanup in progress * moved few commonly used functions to separate methods with tests * cleaning up blockchain import in progress * cleaning up blockchain import in progress2 * cleaning up blockchain import in progress3 * tests for database compaction profile parsing * cleaning up blockchain import in progress4 * cleaning up blockchain import in progress5 * blockchain import * export blockchain in progress * cleanup execute_export * Configuration::to_duration cleaned up * removed unused code, tests for to_duration * cleanup Configuration::mode function * parsing some of the cli params in params.rs * rpc and signer are no longer optional * move importing extern crates to main.rs file * swipe dies from rpc module * swipe dies from dapps * finding deprecated * several tests and fixes for parity * parity cleanup in progress * cleanup price parsing * parity cleanup in progress * swiped all dies * parity cleanup in progress * replace usages of from_str with parse() in parity/params.rs * removed few more from_str * split parity/params.rs into params and helpers * removed wildcard import from configuration.rs * cleanup directories/path creation * cleaning up run cmd * moved LoggerConfig * defaults for cli params * fixed indention in raise_fd_limit * tests for rpc_apis * tests for default ipc and rpc settings * ipc socket * cleanup in progress * account service * cleanup miner config * BlockChain commands use Directiores structure now * client_config * network settings and dapps configuration * removing warnings * default logger config * fixed client_path * overhaul * fixing export && import * default export DataFormat * import and export also upgrade db * fixed export && import * polishing pr * polishing pr * fixed custom bootnodes * fixed daemonize on windows * fixed setting up enable network * finished pr * fixed compiling on windows * Fixed warning; windows build * Better cache management * Fixed tests on windows * Fixed test * Restored pruning method names * --cache alias * Fixed more tests * Ensure default options actually listed as valid [ci:skip]
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return Ok(None);
}
server::dapps_middleware(
deps,
configuration.dapps_path,
configuration.extra_dapps,
rpc::DAPPS_DOMAIN,
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configuration.extra_embed_on,
configuration.extra_script_src,
).map(Some)
}
pub fn new_ui(enabled: bool, deps: Dependencies) -> Result<Option<Middleware>, String> {
if !enabled {
return Ok(None);
}
server::ui_middleware(
deps,
rpc::DAPPS_DOMAIN,
).map(Some)
}
pub use self::server::{Middleware, service};
#[cfg(not(feature = "dapps"))]
mod server {
use super::Dependencies;
use std::sync::Arc;
use std::path::PathBuf;
use parity_rpc::{hyper, RequestMiddleware, RequestMiddlewareAction};
use rpc_apis;
pub struct Middleware;
impl RequestMiddleware for Middleware {
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fn on_request(&self, _req: hyper::Request) -> RequestMiddlewareAction {
unreachable!()
}
}
pub fn dapps_middleware(
_deps: Dependencies,
_dapps_path: PathBuf,
_extra_dapps: Vec<PathBuf>,
_dapps_domain: &str,
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_extra_embed_on: Vec<(String, u16)>,
_extra_script_src: Vec<(String, u16)>,
) -> Result<Middleware, String> {
Err("Your Parity version has been compiled without WebApps support.".into())
}
pub fn ui_middleware(
_deps: Dependencies,
_dapps_domain: &str,
) -> Result<Middleware, String> {
Err("Your Parity version has been compiled without UI support.".into())
}
pub fn service(_: &Option<Middleware>) -> Option<Arc<rpc_apis::DappsService>> {
None
}
}
#[cfg(feature = "dapps")]
mod server {
use super::Dependencies;
use std::path::PathBuf;
use std::sync::Arc;
use rpc_apis;
use parity_dapps;
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pub use parity_dapps::Middleware;
pub fn dapps_middleware(
deps: Dependencies,
dapps_path: PathBuf,
extra_dapps: Vec<PathBuf>,
dapps_domain: &str,
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extra_embed_on: Vec<(String, u16)>,
extra_script_src: Vec<(String, u16)>,
) -> Result<Middleware, String> {
let signer = deps.signer;
let web_proxy_tokens = Arc::new(move |token| signer.web_proxy_access_token_domain(&token));
Ok(parity_dapps::Middleware::dapps(
deps.fetch.pool(),
deps.node_health,
deps.ui_address,
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extra_embed_on,
extra_script_src,
dapps_path,
extra_dapps,
dapps_domain,
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deps.contract_client,
deps.sync_status,
web_proxy_tokens,
deps.fetch,
))
}
pub fn ui_middleware(
deps: Dependencies,
dapps_domain: &str,
) -> Result<Middleware, String> {
Ok(parity_dapps::Middleware::ui(
deps.fetch.pool(),
deps.node_health,
dapps_domain,
deps.contract_client,
deps.sync_status,
deps.fetch,
))
}
pub fn service(middleware: &Option<Middleware>) -> Option<Arc<rpc_apis::DappsService>> {
middleware.as_ref().map(|m| Arc::new(DappsServiceWrapper {
endpoints: m.endpoints().clone(),
}) as Arc<rpc_apis::DappsService>)
}
pub struct DappsServiceWrapper {
endpoints: parity_dapps::Endpoints,
}
impl rpc_apis::DappsService for DappsServiceWrapper {
fn list_dapps(&self) -> Vec<rpc_apis::LocalDapp> {
self.endpoints.list()
.into_iter()
.map(|app| rpc_apis::LocalDapp {
id: app.id.unwrap_or_else(|| "unknown".into()),
name: app.name,
description: app.description,
version: app.version,
author: app.author,
icon_url: app.icon_url,
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local_url: app.local_url,
})
.collect()
}
fn refresh_local_dapps(&self) -> bool {
self.endpoints.refresh_local_dapps();
true
}
}
}