openethereum/parity/dapps.rs

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// Copyright 2015-2018 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;
`Client` refactoring (#7038) * Improves `BestBlock` comment * Improves `TraceDB` comment * Improves `journaldb::Algorithm` comment. Probably the whole enum should be renamed to `Strategy` or something alike. * Comments some of the `Client`'s fields * Deglobs client imports * Fixes comments * Extracts `import_lock` to `Importer` struct * Extracts `verifier` to `Importer` struct * Extracts `block_queue` to `Importer` struct * Extracts `miner` to `Importer` struct * Extracts `ancient_verifier` to `Importer` struct * Extracts `rng` to `Importer` struct * Extracts `import_old_block` to `Importer` struct * Adds `Nonce` trait * Adds `Balance` trait * Adds `ChainInfo` trait * Fixes imports for tests using `chain_info` method * Adds `BlockInfo` trait * Adds more `ChainInfo` imports * Adds `BlockInfo` imports * Adds `ReopenBlock` trait * Adds `PrepareOpenBlock` trait * Fixes import in tests * Adds `CallContract` trait * Fixes imports in tests using `call_contract` method * Adds `TransactionInfo` trait * Adds `RegistryInfo` trait * Fixes imports in tests using `registry_address` method * Adds `ScheduleInfo` trait * Adds `ImportSealedBlock` trait * Fixes imports in test using `import_sealed_block` method * Adds `BroadcastProposalBlock` trait * Migrates `Miner` to static dispatch * Fixes tests * Moves `calculate_enacted_retracted` to `Importer` * Moves import-related methods to `Importer` * Removes redundant `import_old_block` wrapper * Extracts `import_block*` into separate trait * Fixes tests * Handles `Pending` in `LightFetch` * Handles `Pending` in filters * Handles `Pending` in `ParityClient` * Handles `Pending` in `EthClient` * Removes `BlockId::Pending`, partly refactors dependent code * Adds `StateInfo` trait * Exports `StateOrBlock` and `BlockChain` types from `client` module * Refactors `balance` RPC using generic API * Refactors `storage_at` RPC using generic API * Makes `MinerService::pending_state`'s return type dynamic * Adds `StateOrBlock` and `BlockChain` types * Adds impl of `client::BlockChain` for `Client` * Exports `StateInfo` trait from `client` module * Missing `self` use To be fixed up to "Adds impl of `client::BlockChain` for `Client`" * Adds `number_to_id` and refactors dependent RPC methods * Refactors `code_at` using generic API * Adds `StateClient` trait * Refactors RPC to use `StateClient` trait * Reverts `client::BlockChain` trait stuff, refactors methods to accept `StateOrBlock` * Refactors TestClient * Adds helper function `block_number_to_id` * Uses `block_number_to_id` instead of local function * Handles `Pending` in `list_accounts` and `list_storage_keys` * Attempt to use associated types for state instead of trait objects * Simplifies `state_at_beginning` * Extracts `call` and `call_many` into separate trait * Refactors `build_last_hashes` to accept reference * Exports `Call` type from the module * Refactors `call` and `call_many` to accept state and header * Exports `state_at` in `StateClient` * Exports `pending_block_header` from `MinerService` * Refactors RPC `call` method using new API * Adds missing parentheses * Refactors `parity::call` to use new call API * Update .gitlab-ci.yml fix gitlab lint * Fixes error handling * Refactors `traces::call` and `call_many` to use new call API * Refactors `call_contract` * Refactors `block_header` * Refactors internal RPC method `block` * Moves `estimate_gas` to `Call` trait, refactors parameters * Refactors `estimate_gas` in RPC * Refactors `uncle` * Refactors RPC `transaction` * Covers missing branches * Makes it all compile, fixes compiler grumbles * Adds casts in `blockchain` module * Fixes `PendingBlock` tests, work on `MinerService` * Adds test stubs for StateClient and EngineInfo * Makes `state_db` public * Adds missing impls for `TestBlockChainClient` * Adds trait documentation * Adds missing docs to the `state_db` module * Fixes trivial compilation errors * Moves `code_hash` method to a `BlockInfo` trait * Refactors `Verifier` to be generic over client * Refactors `TransactionFilter` to be generic over client * Refactors `Miner` and `Client` to reflect changes in verifier and txfilter API * Moves `ServiceTransactionChecker` back to `ethcore` * Fixes trait bounds in `Miner` API * Fixes `Client` * Fixes lifetime bound in `FullFamilyParams` * Adds comments to `FullFamilyParams` * Fixes imports in `ethcore` * Fixes BlockNumber handling in `code_at` and `replay_block_transactions` * fix compile issues * First step to redundant trait merge * Fixes compilation error in RPC tests * Adds mock `State` as a stub for `TestClient` * Handles `StateOrBlock::State` in `TestBlockChainClient::balance` * Fixes `transaction_count` RPC * Fixes `transaction_count` * Moves `service_transaction.json` to the `contracts` subfolder * Fixes compilation errors in tests * Refactors client to use `AccountData` * Refactors client to use `BlockChain` * Refactors miner to use aggregate traits * Adds `SealedBlockImporter` trait * Refactors miner to use `SealedBlockImporter` trait * Removes unused imports * Simplifies `RegistryInfo::registry_address` * Fixes indentation * Removes commented out trait bound
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use ethcore::client::{Client, BlockChainClient, BlockId, CallContract};
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use sync::LightSync;
use futures::{Future, future, IntoFuture};
use futures_cpupool::CpuPool;
use hash_fetch::fetch::Client as FetchClient;
use registrar::{RegistrarClient, Asynchronous};
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,
}
}
}
impl RegistrarClient for FullRegistrar {
type Call = Asynchronous;
fn registrar_address(&self) -> Result<Address, String> {
self.client.registrar_address()
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.ok_or_else(|| "Registrar not defined.".into())
}
fn call_contract(&self, address: Address, data: Bytes) -> Self::Call {
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> RegistrarClient for LightRegistrar<T> {
type Call = Box<Future<Item = Bytes, Error = String> + Send>;
fn registrar_address(&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_contract(&self, address: Address, data: Bytes) -> Self::Call {
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>,
pub contract_client: Arc<RegistrarClient<Call=Asynchronous>>,
pub fetch: FetchClient,
pub pool: CpuPool,
pub signer: Arc<SignerService>,
pub ui_address: Option<(String, u16)>,
pub info_page_only: bool,
}
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.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.pool,
deps.node_health,
dapps_domain,
deps.contract_client,
deps.sync_status,
deps.fetch,
deps.info_page_only,
))
}
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
}
}
}