openethereum/parity/rpc_apis.rs

738 lines
22 KiB
Rust

// 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::cmp::PartialEq;
use std::collections::BTreeMap;
use std::collections::HashSet;
use std::str::FromStr;
use std::sync::{Arc, Weak};
pub use parity_rpc::signer::SignerService;
pub use parity_rpc::dapps::{DappsService, LocalDapp};
use ethcore::account_provider::AccountProvider;
use ethcore::client::Client;
use ethcore::miner::{Miner, ExternalMiner};
use ethcore::snapshot::SnapshotService;
use ethcore_logger::RotatingLogger;
use ethsync::{ManageNetwork, SyncProvider, LightSync};
use hash_fetch::fetch::Client as FetchClient;
use jsonrpc_core::{self as core, MetaIoHandler};
use light::{TransactionQueue as LightTransactionQueue, Cache as LightDataCache};
use node_health::NodeHealth;
use parity_reactor;
use parity_rpc::dispatch::{FullDispatcher, LightDispatcher};
use parity_rpc::informant::{ActivityNotifier, ClientNotifier};
use parity_rpc::{Metadata, NetworkSettings};
use updater::Updater;
use parking_lot::{Mutex, RwLock};
#[derive(Debug, PartialEq, Clone, Eq, Hash)]
pub enum Api {
/// Web3 (Safe)
Web3,
/// Net (Safe)
Net,
/// Eth (Safe)
Eth,
/// Eth Pub-Sub (Safe)
EthPubSub,
/// Geth-compatible "personal" API (DEPRECATED; only used in `--geth` mode.)
Personal,
/// Signer - Confirm transactions in Signer (UNSAFE: Passwords, List of transactions)
Signer,
/// Parity - Custom extensions (Safe)
Parity,
/// Parity PubSub - Generic Publish-Subscriber (Safety depends on other APIs exposed).
ParityPubSub,
/// Parity Accounts extensions (UNSAFE: Passwords, Side Effects (new account))
ParityAccounts,
/// Parity - Set methods (UNSAFE: Side Effects affecting node operation)
ParitySet,
/// Traces (Safe)
Traces,
/// Rpc (Safe)
Rpc,
/// SecretStore (Safe)
SecretStore,
/// Whisper (Safe)
// TODO: _if_ someone guesses someone else's key or filter IDs they can remove
// BUT these are all ephemeral so it seems fine.
Whisper,
/// Whisper Pub-Sub (Safe but same concerns as above).
WhisperPubSub,
}
impl FromStr for Api {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
use self::Api::*;
match s {
"web3" => Ok(Web3),
"net" => Ok(Net),
"eth" => Ok(Eth),
"pubsub" => Ok(EthPubSub),
"personal" => Ok(Personal),
"signer" => Ok(Signer),
"parity" => Ok(Parity),
"parity_pubsub" => Ok(ParityPubSub),
"parity_accounts" => Ok(ParityAccounts),
"parity_set" => Ok(ParitySet),
"traces" => Ok(Traces),
"rpc" => Ok(Rpc),
"secretstore" => Ok(SecretStore),
"shh" => Ok(Whisper),
"shh_pubsub" => Ok(WhisperPubSub),
api => Err(format!("Unknown api: {}", api))
}
}
}
#[derive(Debug, Clone)]
pub enum ApiSet {
// Safe context (like token-protected WS interface)
SafeContext,
// Unsafe context (like jsonrpc over http)
UnsafeContext,
// Public context (like public jsonrpc over http)
PublicContext,
// All possible APIs
All,
// Local "unsafe" context and accounts access
IpcContext,
// APIs for Parity Generic Pub-Sub
PubSub,
// Fixed list of APis
List(HashSet<Api>),
}
impl Default for ApiSet {
fn default() -> Self {
ApiSet::UnsafeContext
}
}
impl PartialEq for ApiSet {
fn eq(&self, other: &Self) -> bool {
self.list_apis() == other.list_apis()
}
}
impl FromStr for ApiSet {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let mut apis = HashSet::new();
for api in s.split(',') {
match api {
"all" => {
apis.extend(ApiSet::All.list_apis());
},
"safe" => {
// Safe APIs are those that are safe even in UnsafeContext.
apis.extend(ApiSet::UnsafeContext.list_apis());
},
// Remove the API
api if api.starts_with("-") => {
let api = api[1..].parse()?;
apis.remove(&api);
},
api => {
let api = api.parse()?;
apis.insert(api);
},
}
}
Ok(ApiSet::List(apis))
}
}
fn to_modules(apis: &HashSet<Api>) -> BTreeMap<String, String> {
let mut modules = BTreeMap::new();
for api in apis {
let (name, version) = match *api {
Api::Web3 => ("web3", "1.0"),
Api::Net => ("net", "1.0"),
Api::Eth => ("eth", "1.0"),
Api::EthPubSub => ("pubsub", "1.0"),
Api::Personal => ("personal", "1.0"),
Api::Signer => ("signer", "1.0"),
Api::Parity => ("parity", "1.0"),
Api::ParityAccounts => ("parity_accounts", "1.0"),
Api::ParityPubSub => ("parity_pubsub", "1.0"),
Api::ParitySet => ("parity_set", "1.0"),
Api::Traces => ("traces", "1.0"),
Api::Rpc => ("rpc", "1.0"),
Api::SecretStore => ("secretstore", "1.0"),
Api::Whisper => ("shh", "1.0"),
Api::WhisperPubSub => ("shh_pubsub", "1.0"),
};
modules.insert(name.into(), version.into());
}
modules
}
/// RPC dependencies can be used to initialize RPC endpoints from APIs.
pub trait Dependencies {
type Notifier: ActivityNotifier;
/// Create the activity notifier.
fn activity_notifier(&self) -> Self::Notifier;
/// Extend the given I/O handler with endpoints for each API.
fn extend_with_set<S>(
&self,
handler: &mut MetaIoHandler<Metadata, S>,
apis: &HashSet<Api>,
) where S: core::Middleware<Metadata>;
}
/// RPC dependencies for a full node.
pub struct FullDependencies {
pub signer_service: Arc<SignerService>,
pub client: Arc<Client>,
pub snapshot: Arc<SnapshotService>,
pub sync: Arc<SyncProvider>,
pub net: Arc<ManageNetwork>,
pub secret_store: Option<Arc<AccountProvider>>,
pub miner: Arc<Miner>,
pub external_miner: Arc<ExternalMiner>,
pub logger: Arc<RotatingLogger>,
pub settings: Arc<NetworkSettings>,
pub net_service: Arc<ManageNetwork>,
pub updater: Arc<Updater>,
pub health: NodeHealth,
pub geth_compatibility: bool,
pub dapps_service: Option<Arc<DappsService>>,
pub dapps_address: Option<(String, u16)>,
pub ws_address: Option<(String, u16)>,
pub fetch: FetchClient,
pub remote: parity_reactor::Remote,
pub whisper_rpc: Option<::whisper::RpcFactory>,
}
impl FullDependencies {
fn extend_api<S>(
&self,
handler: &mut MetaIoHandler<Metadata, S>,
apis: &HashSet<Api>,
for_generic_pubsub: bool,
) where S: core::Middleware<Metadata> {
use parity_rpc::v1::*;
macro_rules! add_signing_methods {
($namespace:ident, $handler:expr, $deps:expr) => {
{
let deps = &$deps;
let dispatcher = FullDispatcher::new(deps.client.clone(), deps.miner.clone());
if deps.signer_service.is_enabled() {
$handler.extend_with($namespace::to_delegate(SigningQueueClient::new(&deps.signer_service, dispatcher, &deps.secret_store)))
} else {
$handler.extend_with($namespace::to_delegate(SigningUnsafeClient::new(&deps.secret_store, dispatcher)))
}
}
}
}
let dispatcher = FullDispatcher::new(self.client.clone(), self.miner.clone());
for api in apis {
match *api {
Api::Web3 => {
handler.extend_with(Web3Client::new().to_delegate());
},
Api::Net => {
handler.extend_with(NetClient::new(&self.sync).to_delegate());
},
Api::Eth => {
let client = EthClient::new(
&self.client,
&self.snapshot,
&self.sync,
&self.secret_store,
&self.miner,
&self.external_miner,
EthClientOptions {
pending_nonce_from_queue: self.geth_compatibility,
allow_pending_receipt_query: !self.geth_compatibility,
send_block_number_in_get_work: !self.geth_compatibility,
}
);
handler.extend_with(client.to_delegate());
if !for_generic_pubsub {
let filter_client = EthFilterClient::new(self.client.clone(), self.miner.clone());
handler.extend_with(filter_client.to_delegate());
add_signing_methods!(EthSigning, handler, self);
}
},
Api::EthPubSub => {
if !for_generic_pubsub {
let client = EthPubSubClient::new(self.client.clone(), self.remote.clone());
self.client.add_notify(client.handler());
handler.extend_with(client.to_delegate());
}
},
Api::Personal => {
handler.extend_with(PersonalClient::new(&self.secret_store, dispatcher.clone(), self.geth_compatibility).to_delegate());
},
Api::Signer => {
handler.extend_with(SignerClient::new(&self.secret_store, dispatcher.clone(), &self.signer_service, self.remote.clone()).to_delegate());
},
Api::Parity => {
let signer = match self.signer_service.is_enabled() {
true => Some(self.signer_service.clone()),
false => None,
};
handler.extend_with(ParityClient::new(
self.client.clone(),
self.miner.clone(),
self.sync.clone(),
self.updater.clone(),
self.net_service.clone(),
self.health.clone(),
self.secret_store.clone(),
self.logger.clone(),
self.settings.clone(),
signer,
self.dapps_address.clone(),
self.ws_address.clone(),
).to_delegate());
if !for_generic_pubsub {
add_signing_methods!(ParitySigning, handler, self);
}
},
Api::ParityPubSub => {
if !for_generic_pubsub {
let mut rpc = MetaIoHandler::default();
let apis = ApiSet::List(apis.clone()).retain(ApiSet::PubSub).list_apis();
self.extend_api(&mut rpc, &apis, true);
handler.extend_with(PubSubClient::new(rpc, self.remote.clone()).to_delegate());
}
},
Api::ParityAccounts => {
handler.extend_with(ParityAccountsClient::new(&self.secret_store).to_delegate());
},
Api::ParitySet => {
handler.extend_with(ParitySetClient::new(
&self.client,
&self.miner,
&self.updater,
&self.net_service,
self.dapps_service.clone(),
self.fetch.clone(),
).to_delegate())
},
Api::Traces => {
handler.extend_with(TracesClient::new(&self.client, &self.miner).to_delegate())
},
Api::Rpc => {
let modules = to_modules(&apis);
handler.extend_with(RpcClient::new(modules).to_delegate());
},
Api::SecretStore => {
handler.extend_with(SecretStoreClient::new(&self.secret_store).to_delegate());
},
Api::Whisper => {
if let Some(ref whisper_rpc) = self.whisper_rpc {
let whisper = whisper_rpc.make_handler();
handler.extend_with(::parity_whisper::rpc::Whisper::to_delegate(whisper));
}
}
Api::WhisperPubSub => {
if !for_generic_pubsub {
if let Some(ref whisper_rpc) = self.whisper_rpc {
let whisper = whisper_rpc.make_handler();
handler.extend_with(
::parity_whisper::rpc::WhisperPubSub::to_delegate(whisper)
);
}
}
}
}
}
}
}
impl Dependencies for FullDependencies {
type Notifier = ClientNotifier;
fn activity_notifier(&self) -> ClientNotifier {
ClientNotifier {
client: self.client.clone(),
}
}
fn extend_with_set<S>(
&self,
handler: &mut MetaIoHandler<Metadata, S>,
apis: &HashSet<Api>,
) where S: core::Middleware<Metadata> {
self.extend_api(handler, apis, false)
}
}
/// Light client notifier. Doesn't do anything yet, but might in the future.
pub struct LightClientNotifier;
impl ActivityNotifier for LightClientNotifier {
fn active(&self) {}
}
/// RPC dependencies for a light client.
pub struct LightDependencies {
pub signer_service: Arc<SignerService>,
pub client: Arc<::light::client::Client>,
pub sync: Arc<LightSync>,
pub net: Arc<ManageNetwork>,
pub secret_store: Arc<AccountProvider>,
pub logger: Arc<RotatingLogger>,
pub settings: Arc<NetworkSettings>,
pub health: NodeHealth,
pub on_demand: Arc<::light::on_demand::OnDemand>,
pub cache: Arc<Mutex<LightDataCache>>,
pub transaction_queue: Arc<RwLock<LightTransactionQueue>>,
pub dapps_service: Option<Arc<DappsService>>,
pub dapps_address: Option<(String, u16)>,
pub ws_address: Option<(String, u16)>,
pub fetch: FetchClient,
pub geth_compatibility: bool,
pub remote: parity_reactor::Remote,
pub whisper_rpc: Option<::whisper::RpcFactory>,
}
impl LightDependencies {
fn extend_api<T: core::Middleware<Metadata>>(
&self,
handler: &mut MetaIoHandler<Metadata, T>,
apis: &HashSet<Api>,
for_generic_pubsub: bool,
) {
use parity_rpc::v1::*;
let dispatcher = LightDispatcher::new(
self.sync.clone(),
self.client.clone(),
self.on_demand.clone(),
self.cache.clone(),
self.transaction_queue.clone(),
);
macro_rules! add_signing_methods {
($namespace:ident, $handler:expr, $deps:expr) => {
{
let deps = &$deps;
let dispatcher = dispatcher.clone();
let secret_store = Some(deps.secret_store.clone());
if deps.signer_service.is_enabled() {
$handler.extend_with($namespace::to_delegate(
SigningQueueClient::new(&deps.signer_service, dispatcher, &secret_store)
))
} else {
$handler.extend_with(
$namespace::to_delegate(SigningUnsafeClient::new(&secret_store, dispatcher))
)
}
}
}
}
for api in apis {
match *api {
Api::Web3 => {
handler.extend_with(Web3Client::new().to_delegate());
},
Api::Net => {
handler.extend_with(light::NetClient::new(self.sync.clone()).to_delegate());
},
Api::Eth => {
let client = light::EthClient::new(
self.sync.clone(),
self.client.clone(),
self.on_demand.clone(),
self.transaction_queue.clone(),
self.secret_store.clone(),
self.cache.clone(),
);
handler.extend_with(Eth::to_delegate(client.clone()));
if !for_generic_pubsub {
handler.extend_with(EthFilter::to_delegate(client));
add_signing_methods!(EthSigning, handler, self);
}
},
Api::EthPubSub => {
let client = EthPubSubClient::light(
self.client.clone(),
self.on_demand.clone(),
self.sync.clone(),
self.cache.clone(),
self.remote.clone(),
);
self.client.add_listener(
Arc::downgrade(&client.handler()) as Weak<::light::client::LightChainNotify>
);
handler.extend_with(EthPubSub::to_delegate(client));
},
Api::Personal => {
let secret_store = Some(self.secret_store.clone());
handler.extend_with(PersonalClient::new(&secret_store, dispatcher.clone(), self.geth_compatibility).to_delegate());
},
Api::Signer => {
let secret_store = Some(self.secret_store.clone());
handler.extend_with(SignerClient::new(&secret_store, dispatcher.clone(), &self.signer_service, self.remote.clone()).to_delegate());
},
Api::Parity => {
let signer = match self.signer_service.is_enabled() {
true => Some(self.signer_service.clone()),
false => None,
};
handler.extend_with(light::ParityClient::new(
self.client.clone(),
Arc::new(dispatcher.clone()),
self.secret_store.clone(),
self.logger.clone(),
self.settings.clone(),
self.health.clone(),
signer,
self.dapps_address.clone(),
self.ws_address.clone(),
).to_delegate());
if !for_generic_pubsub {
add_signing_methods!(ParitySigning, handler, self);
}
},
Api::ParityPubSub => {
if !for_generic_pubsub {
let mut rpc = MetaIoHandler::default();
let apis = ApiSet::List(apis.clone()).retain(ApiSet::PubSub).list_apis();
self.extend_api(&mut rpc, &apis, true);
handler.extend_with(PubSubClient::new(rpc, self.remote.clone()).to_delegate());
}
},
Api::ParityAccounts => {
let secret_store = Some(self.secret_store.clone());
handler.extend_with(ParityAccountsClient::new(&secret_store).to_delegate());
},
Api::ParitySet => {
handler.extend_with(light::ParitySetClient::new(
self.sync.clone(),
self.dapps_service.clone(),
self.fetch.clone(),
).to_delegate())
},
Api::Traces => {
handler.extend_with(light::TracesClient.to_delegate())
},
Api::Rpc => {
let modules = to_modules(&apis);
handler.extend_with(RpcClient::new(modules).to_delegate());
},
Api::SecretStore => {
let secret_store = Some(self.secret_store.clone());
handler.extend_with(SecretStoreClient::new(&secret_store).to_delegate());
},
Api::Whisper => {
if let Some(ref whisper_rpc) = self.whisper_rpc {
let whisper = whisper_rpc.make_handler();
handler.extend_with(::parity_whisper::rpc::Whisper::to_delegate(whisper));
}
}
Api::WhisperPubSub => {
if let Some(ref whisper_rpc) = self.whisper_rpc {
let whisper = whisper_rpc.make_handler();
handler.extend_with(::parity_whisper::rpc::WhisperPubSub::to_delegate(whisper));
}
}
}
}
}
}
impl Dependencies for LightDependencies {
type Notifier = LightClientNotifier;
fn activity_notifier(&self) -> Self::Notifier { LightClientNotifier }
fn extend_with_set<S>(
&self,
handler: &mut MetaIoHandler<Metadata, S>,
apis: &HashSet<Api>,
) where S: core::Middleware<Metadata> {
self.extend_api(handler, apis, false)
}
}
impl ApiSet {
/// Retains only APIs in given set.
pub fn retain(self, set: Self) -> Self {
ApiSet::List(&self.list_apis() & &set.list_apis())
}
pub fn list_apis(&self) -> HashSet<Api> {
let mut public_list = [
Api::Web3,
Api::Net,
Api::Eth,
Api::EthPubSub,
Api::Parity,
Api::Rpc,
Api::SecretStore,
Api::Whisper,
Api::WhisperPubSub,
].into_iter().cloned().collect();
match *self {
ApiSet::List(ref apis) => apis.clone(),
ApiSet::PublicContext => public_list,
ApiSet::UnsafeContext => {
public_list.insert(Api::Traces);
public_list.insert(Api::ParityPubSub);
public_list
},
ApiSet::IpcContext => {
public_list.insert(Api::Traces);
public_list.insert(Api::ParityPubSub);
public_list.insert(Api::ParityAccounts);
public_list
},
ApiSet::SafeContext => {
public_list.insert(Api::Traces);
public_list.insert(Api::ParityPubSub);
public_list.insert(Api::ParityAccounts);
public_list.insert(Api::ParitySet);
public_list.insert(Api::Signer);
public_list
},
ApiSet::All => {
public_list.insert(Api::Traces);
public_list.insert(Api::ParityPubSub);
public_list.insert(Api::ParityAccounts);
public_list.insert(Api::ParitySet);
public_list.insert(Api::Signer);
public_list.insert(Api::Personal);
public_list
},
ApiSet::PubSub => [
Api::Eth,
Api::Parity,
Api::ParityAccounts,
Api::ParitySet,
Api::Traces,
].into_iter().cloned().collect()
}
}
}
#[cfg(test)]
mod test {
use super::{Api, ApiSet};
#[test]
fn test_api_parsing() {
assert_eq!(Api::Web3, "web3".parse().unwrap());
assert_eq!(Api::Net, "net".parse().unwrap());
assert_eq!(Api::Eth, "eth".parse().unwrap());
assert_eq!(Api::EthPubSub, "pubsub".parse().unwrap());
assert_eq!(Api::Personal, "personal".parse().unwrap());
assert_eq!(Api::Signer, "signer".parse().unwrap());
assert_eq!(Api::Parity, "parity".parse().unwrap());
assert_eq!(Api::ParityAccounts, "parity_accounts".parse().unwrap());
assert_eq!(Api::ParitySet, "parity_set".parse().unwrap());
assert_eq!(Api::Traces, "traces".parse().unwrap());
assert_eq!(Api::Rpc, "rpc".parse().unwrap());
assert_eq!(Api::SecretStore, "secretstore".parse().unwrap());
assert_eq!(Api::Whisper, "shh".parse().unwrap());
assert_eq!(Api::WhisperPubSub, "shh_pubsub".parse().unwrap());
assert!("rp".parse::<Api>().is_err());
}
#[test]
fn test_api_set_default() {
assert_eq!(ApiSet::UnsafeContext, ApiSet::default());
}
#[test]
fn test_api_set_parsing() {
assert_eq!(ApiSet::List(vec![Api::Web3, Api::Eth].into_iter().collect()), "web3,eth".parse().unwrap());
}
#[test]
fn test_api_set_unsafe_context() {
let expected = vec![
// make sure this list contains only SAFE methods
Api::Web3, Api::Net, Api::Eth, Api::EthPubSub, Api::Parity, Api::ParityPubSub, Api::Traces, Api::Rpc, Api::SecretStore, Api::Whisper, Api::WhisperPubSub,
].into_iter().collect();
assert_eq!(ApiSet::UnsafeContext.list_apis(), expected);
}
#[test]
fn test_api_set_ipc_context() {
let expected = vec![
// safe
Api::Web3, Api::Net, Api::Eth, Api::EthPubSub, Api::Parity, Api::ParityPubSub, Api::Traces, Api::Rpc, Api::SecretStore, Api::Whisper, Api::WhisperPubSub,
// semi-safe
Api::ParityAccounts
].into_iter().collect();
assert_eq!(ApiSet::IpcContext.list_apis(), expected);
}
#[test]
fn test_api_set_safe_context() {
let expected = vec![
// safe
Api::Web3, Api::Net, Api::Eth, Api::EthPubSub, Api::Parity, Api::ParityPubSub, Api::Traces, Api::Rpc, Api::SecretStore, Api::Whisper, Api::WhisperPubSub,
// semi-safe
Api::ParityAccounts,
// Unsafe
Api::ParitySet, Api::Signer,
].into_iter().collect();
assert_eq!(ApiSet::SafeContext.list_apis(), expected);
}
#[test]
fn test_all_apis() {
assert_eq!("all".parse::<ApiSet>().unwrap(), ApiSet::List(vec![
Api::Web3, Api::Net, Api::Eth, Api::EthPubSub, Api::Parity, Api::ParityPubSub, Api::Traces, Api::Rpc, Api::SecretStore, Api::Whisper, Api::WhisperPubSub,
Api::ParityAccounts,
Api::ParitySet, Api::Signer,
Api::Personal
].into_iter().collect()));
}
#[test]
fn test_all_without_personal_apis() {
assert_eq!("personal,all,-personal".parse::<ApiSet>().unwrap(), ApiSet::List(vec![
Api::Web3, Api::Net, Api::Eth, Api::EthPubSub, Api::Parity, Api::ParityPubSub, Api::Traces, Api::Rpc, Api::SecretStore, Api::Whisper, Api::WhisperPubSub,
Api::ParityAccounts,
Api::ParitySet, Api::Signer,
].into_iter().collect()));
}
#[test]
fn test_safe_parsing() {
assert_eq!("safe".parse::<ApiSet>().unwrap(), ApiSet::List(vec![
Api::Web3, Api::Net, Api::Eth, Api::EthPubSub, Api::Parity, Api::ParityPubSub, Api::Traces, Api::Rpc, Api::SecretStore, Api::Whisper, Api::WhisperPubSub,
].into_iter().collect()));
}
}