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Reserve nonces for signing (#6834)

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* Nonce future - reserve and dispatch

* Single thread nonce tests

* Track status of reserved nonces.

* Initialization of nonce reservations.

* Prospective Signer

* Fix cli tests.
This commit is contained in:
Tomasz Drwięga 2017-11-01 11:23:18 +01:00 committed by Arkadiy Paronyan
parent 4b3c26f991
commit b861ad37a4
15 changed files with 526 additions and 114 deletions
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18
ethcore/src/account_provider/mod.rs
View File

@ -516,8 +516,8 @@ impl AccountProvider {
}
/// Returns each hardware account along with name and meta.
pub fn is_hardware_address(&self, address: Address) -> bool {
self.hardware_store.as_ref().and_then(|s| s.wallet_info(&address)).is_some()
pub fn is_hardware_address(&self, address: &Address) -> bool {
self.hardware_store.as_ref().and_then(|s| s.wallet_info(address)).is_some()
}
/// Returns each account along with name and meta.
@ -589,7 +589,7 @@ impl AccountProvider {
}
}
if self.unlock_keep_secret && unlock != Unlock::OneTime {
if self.unlock_keep_secret && unlock == Unlock::Perm {
// verify password and get the secret
let secret = self.sstore.raw_secret(&account, &password)?;
self.unlocked_secrets.write().insert(account.clone(), secret);
@ -639,14 +639,22 @@ impl AccountProvider {
}
/// Checks if given account is unlocked
pub fn is_unlocked(&self, address: Address) -> bool {
pub fn is_unlocked(&self, address: &Address) -> bool {
let unlocked = self.unlocked.read();
let unlocked_secrets = self.unlocked_secrets.read();
self.sstore.account_ref(&address)
self.sstore.account_ref(address)
.map(|r| unlocked.get(&r).is_some() || unlocked_secrets.get(&r).is_some())
.unwrap_or(false)
}
/// Checks if given account is unlocked permanently
pub fn is_unlocked_permanently(&self, address: &Address) -> bool {
let unlocked = self.unlocked.read();
self.sstore.account_ref(address)
.map(|r| unlocked.get(&r).map_or(false, |account| account.unlock == Unlock::Perm))
.unwrap_or(false)
}
/// Signs the message. If password is not provided the account must be unlocked.
pub fn sign(&self, address: Address, password: Option<String>, message: Message) -> Result<Signature, SignError> {
let account = self.sstore.account_ref(&address)?;

4
parity/cli/mod.rs
View File

@ -470,7 +470,7 @@ usage! {
"--jsonrpc-hosts=[HOSTS]",
"List of allowed Host header values. This option will validate the Host header sent by the browser, it is additional security against some attack vectors. Special options: \"all\", \"none\",.",
ARG arg_jsonrpc_threads: (usize) = 0usize, or |c: &Config| otry!(c.rpc).processing_threads,
ARG arg_jsonrpc_threads: (usize) = 4usize, or |c: &Config| otry!(c.rpc).processing_threads,
"--jsonrpc-threads=[THREADS]",
"Turn on additional processing threads in all RPC servers. Setting this to non-zero value allows parallel cpu-heavy queries execution.",
@ -1449,7 +1449,7 @@ mod tests {
arg_jsonrpc_apis: "web3,eth,net,parity,traces,rpc,secretstore".into(),
arg_jsonrpc_hosts: "none".into(),
arg_jsonrpc_server_threads: None,
arg_jsonrpc_threads: 0,
arg_jsonrpc_threads: 4,
// WS
flag_no_ws: false,

2
parity/rpc.rs
View File

@ -62,7 +62,7 @@ impl Default for HttpConfiguration {
cors: None,
hosts: Some(Vec::new()),
server_threads: 1,
processing_threads: 0,
processing_threads: 4,
}
}
}

16
parity/rpc_apis.rs
View File

@ -239,10 +239,10 @@ impl FullDependencies {
use parity_rpc::v1::*;
macro_rules! add_signing_methods {
($namespace:ident, $handler:expr, $deps:expr) => {
($namespace:ident, $handler:expr, $deps:expr, $nonces:expr) => {
{
let deps = &$deps;
let dispatcher = FullDispatcher::new(deps.client.clone(), deps.miner.clone());
let dispatcher = FullDispatcher::new(deps.client.clone(), deps.miner.clone(), $nonces);
if deps.signer_service.is_enabled() {
$handler.extend_with($namespace::to_delegate(SigningQueueClient::new(&deps.signer_service, dispatcher, deps.remote.clone(), &deps.secret_store)))
} else {
@ -252,7 +252,12 @@ impl FullDependencies {
}
}
let dispatcher = FullDispatcher::new(self.client.clone(), self.miner.clone());
let nonces = Arc::new(Mutex::new(dispatch::Reservations::with_pool(self.fetch.pool())));
let dispatcher = FullDispatcher::new(
self.client.clone(),
self.miner.clone(),
nonces.clone(),
);
for api in apis {
match *api {
Api::Web3 => {
@ -281,7 +286,7 @@ impl FullDependencies {
let filter_client = EthFilterClient::new(self.client.clone(), self.miner.clone());
handler.extend_with(filter_client.to_delegate());
add_signing_methods!(EthSigning, handler, self);
add_signing_methods!(EthSigning, handler, self, nonces.clone());
}
},
Api::EthPubSub => {
@ -318,7 +323,7 @@ impl FullDependencies {
).to_delegate());
if !for_generic_pubsub {
add_signing_methods!(ParitySigning, handler, self);
add_signing_methods!(ParitySigning, handler, self, nonces.clone());
}
},
Api::ParityPubSub => {
@ -435,6 +440,7 @@ impl<C: LightChainClient + 'static> LightDependencies<C> {
self.on_demand.clone(),
self.cache.clone(),
self.transaction_queue.clone(),
Arc::new(Mutex::new(dispatch::Reservations::with_pool(self.fetch.pool()))),
);
macro_rules! add_signing_methods {

277
rpc/src/v1/helpers/dispatch.rs
View File

@ -43,9 +43,9 @@ use ethcore::account_provider::AccountProvider;
use crypto::DEFAULT_MAC;
use jsonrpc_core::{BoxFuture, Error};
use jsonrpc_core::futures::{future, Future};
use jsonrpc_core::futures::{future, Future, Poll, Async};
use jsonrpc_core::futures::future::Either;
use v1::helpers::{errors, TransactionRequest, FilledTransactionRequest, ConfirmationPayload};
use v1::helpers::{errors, nonce, TransactionRequest, FilledTransactionRequest, ConfirmationPayload};
use v1::types::{
H256 as RpcH256, H520 as RpcH520, Bytes as RpcBytes,
RichRawTransaction as RpcRichRawTransaction,
@ -55,6 +55,8 @@ use v1::types::{
DecryptRequest as RpcDecryptRequest,
};
pub use self::nonce::Reservations;
/// Has the capability to dispatch, sign, and decrypt.
///
/// Requires a clone implementation, with the implication that it be cheap;
@ -75,7 +77,8 @@ pub trait Dispatcher: Send + Sync + Clone {
fn enrich(&self, SignedTransaction) -> RpcRichRawTransaction;
/// "Dispatch" a local transaction.
fn dispatch_transaction(&self, signed_transaction: PendingTransaction) -> Result<H256, Error>;
fn dispatch_transaction(&self, signed_transaction: PendingTransaction)
-> Result<H256, Error>;
}
/// A dispatcher which uses references to a client and miner in order to sign
@ -84,14 +87,16 @@ pub trait Dispatcher: Send + Sync + Clone {
pub struct FullDispatcher<C, M> {
client: Arc<C>,
miner: Arc<M>,
nonces: Arc<Mutex<nonce::Reservations>>,
}
impl<C, M> FullDispatcher<C, M> {
/// Create a `FullDispatcher` from Arc references to a client and miner.
pub fn new(client: Arc<C>, miner: Arc<M>) -> Self {
pub fn new(client: Arc<C>, miner: Arc<M>, nonces: Arc<Mutex<nonce::Reservations>>) -> Self {
FullDispatcher {
client,
miner,
nonces,
}
}
}
@ -101,15 +106,24 @@ impl<C, M> Clone for FullDispatcher<C, M> {
FullDispatcher {
client: self.client.clone(),
miner: self.miner.clone(),
nonces: self.nonces.clone(),
}
}
}
impl<C: MiningBlockChainClient, M: MinerService> FullDispatcher<C, M> {
fn fill_nonce(nonce: Option<U256>, from: &Address, miner: &M, client: &C) -> U256 {
nonce
.or_else(|| miner.last_nonce(from).map(|nonce| nonce + U256::one()))
.unwrap_or_else(|| client.latest_nonce(from))
fn state_nonce(&self, from: &Address) -> U256 {
self.miner.last_nonce(from).map(|nonce| nonce + U256::one())
.unwrap_or_else(|| self.client.latest_nonce(from))
}
/// Imports transaction to the miner's queue.
pub fn dispatch_transaction(client: &C, miner: &M, signed_transaction: PendingTransaction) -> Result<H256, Error> {
let hash = signed_transaction.transaction.hash();
miner.import_own_transaction(client, signed_transaction)
.map_err(errors::transaction)
.map(|_| hash)
}
}
@ -117,20 +131,21 @@ impl<C: MiningBlockChainClient, M: MinerService> Dispatcher for FullDispatcher<C
fn fill_optional_fields(&self, request: TransactionRequest, default_sender: Address, force_nonce: bool)
-> BoxFuture<FilledTransactionRequest, Error>
{
let (client, miner) = (self.client.clone(), self.miner.clone());
let request = request;
let from = request.from.unwrap_or(default_sender);
let nonce = match force_nonce {
false => request.nonce,
true => Some(Self::fill_nonce(request.nonce, &from, &miner, &client)),
let nonce = if force_nonce {
request.nonce.or_else(|| Some(self.state_nonce(&from)))
} else {
request.nonce
};
Box::new(future::ok(FilledTransactionRequest {
from: from,
from,
used_default_from: request.from.is_none(),
to: request.to,
nonce: nonce,
gas_price: request.gas_price.unwrap_or_else(|| default_gas_price(&*client, &*miner)),
gas: request.gas.unwrap_or_else(|| miner.sensible_gas_limit()),
nonce,
gas_price: request.gas_price.unwrap_or_else(|| default_gas_price(&*self.client, &*self.miner)),
gas: request.gas.unwrap_or_else(|| self.miner.sensible_gas_limit()),
value: request.value.unwrap_or_else(|| 0.into()),
data: request.data.unwrap_or_else(Vec::new),
condition: request.condition,
@ -140,30 +155,15 @@ impl<C: MiningBlockChainClient, M: MinerService> Dispatcher for FullDispatcher<C
fn sign(&self, accounts: Arc<AccountProvider>, filled: FilledTransactionRequest, password: SignWith)
-> BoxFuture<WithToken<SignedTransaction>, Error>
{
let (client, miner) = (self.client.clone(), self.miner.clone());
let chain_id = client.signing_chain_id();
let address = filled.from;
Box::new(future::done({
let t = Transaction {
nonce: Self::fill_nonce(filled.nonce, &filled.from, &miner, &client),
action: filled.to.map_or(Action::Create, Action::Call),
gas: filled.gas,
gas_price: filled.gas_price,
value: filled.value,
data: filled.data,
};
let chain_id = self.client.signing_chain_id();
if accounts.is_hardware_address(address) {
hardware_signature(&*accounts, address, t, chain_id).map(WithToken::No)
} else {
let hash = t.hash(chain_id);
let signature = try_bf!(signature(&*accounts, address, hash, password));
Ok(signature.map(|sig| {
SignedTransaction::new(t.with_signature(sig, chain_id))
.expect("Transaction was signed by AccountsProvider; it never produces invalid signatures; qed")
}))
if let Some(nonce) = filled.nonce {
return Box::new(future::done(sign_transaction(&*accounts, filled, chain_id, nonce, password)));
}
}))
let state = self.state_nonce(&filled.from);
let reserved = self.nonces.lock().reserve_nonce(state);
Box::new(ProspectiveSigner::new(accounts, filled, chain_id, reserved, password))
}
fn enrich(&self, signed_transaction: SignedTransaction) -> RpcRichRawTransaction {
@ -172,11 +172,7 @@ impl<C: MiningBlockChainClient, M: MinerService> Dispatcher for FullDispatcher<C
}
fn dispatch_transaction(&self, signed_transaction: PendingTransaction) -> Result<H256, Error> {
let hash = signed_transaction.transaction.hash();
self.miner.import_own_transaction(&*self.client, signed_transaction)
.map_err(errors::transaction)
.map(|_| hash)
Self::dispatch_transaction(&*self.client, &*self.miner, signed_transaction)
}
}
@ -255,6 +251,8 @@ pub struct LightDispatcher {
pub cache: Arc<Mutex<LightDataCache>>,
/// Transaction queue.
pub transaction_queue: Arc<RwLock<LightTransactionQueue>>,
/// Nonce reservations
pub nonces: Arc<Mutex<nonce::Reservations>>,
}
impl LightDispatcher {
@ -267,6 +265,7 @@ impl LightDispatcher {
on_demand: Arc<OnDemand>,
cache: Arc<Mutex<LightDataCache>>,
transaction_queue: Arc<RwLock<LightTransactionQueue>>,
nonces: Arc<Mutex<nonce::Reservations>>,
) -> Self {
LightDispatcher {
sync,
@ -274,6 +273,7 @@ impl LightDispatcher {
on_demand,
cache,
transaction_queue,
nonces,
}
}
@ -372,39 +372,19 @@ impl Dispatcher for LightDispatcher {
-> BoxFuture<WithToken<SignedTransaction>, Error>
{
let chain_id = self.client.signing_chain_id();
let address = filled.from;
let with_nonce = move |filled: FilledTransactionRequest, nonce| {
let t = Transaction {
nonce: nonce,
action: filled.to.map_or(Action::Create, Action::Call),
gas: filled.gas,
gas_price: filled.gas_price,
value: filled.value,
data: filled.data,
};
if accounts.is_hardware_address(address) {
return hardware_signature(&*accounts, address, t, chain_id).map(WithToken::No)
}
let hash = t.hash(chain_id);
let signature = signature(&*accounts, address, hash, password)?;
Ok(signature.map(|sig| {
SignedTransaction::new(t.with_signature(sig, chain_id))
.expect("Transaction was signed by AccountsProvider; it never produces invalid signatures; qed")
}))
};
// fast path for pre-filled nonce.
if let Some(nonce) = filled.nonce {
return Box::new(future::done(with_nonce(filled, nonce)))
return Box::new(future::done(sign_transaction(&*accounts, filled, chain_id, nonce, password)))
}
Box::new(self.next_nonce(address)
let nonces = self.nonces.clone();
Box::new(self.next_nonce(filled.from)
.map_err(|_| errors::no_light_peers())
.and_then(move |nonce| with_nonce(filled, nonce)))
.and_then(move |nonce| {
let reserved = nonces.lock().reserve_nonce(nonce);
ProspectiveSigner::new(accounts, filled, chain_id, reserved, password)
}))
}
fn enrich(&self, signed_transaction: SignedTransaction) -> RpcRichRawTransaction {
@ -422,6 +402,147 @@ impl Dispatcher for LightDispatcher {
}
}
fn sign_transaction(
accounts: &AccountProvider,
filled: FilledTransactionRequest,
chain_id: Option<u64>,
nonce: U256,
password: SignWith,
) -> Result<WithToken<SignedTransaction>, Error> {
let t = Transaction {
nonce: nonce,
action: filled.to.map_or(Action::Create, Action::Call),
gas: filled.gas,
gas_price: filled.gas_price,
value: filled.value,
data: filled.data,
};
if accounts.is_hardware_address(&filled.from) {
return hardware_signature(accounts, filled.from, t, chain_id).map(WithToken::No)
}
let hash = t.hash(chain_id);
let signature = signature(accounts, filled.from, hash, password)?;
Ok(signature.map(|sig| {
SignedTransaction::new(t.with_signature(sig, chain_id))
.expect("Transaction was signed by AccountsProvider; it never produces invalid signatures; qed")
}))
}
#[derive(Debug, Clone, Copy)]
enum ProspectiveSignerState {
TryProspectiveSign,
WaitForNonce,
Finish,
}
struct ProspectiveSigner {
accounts: Arc<AccountProvider>,
filled: FilledTransactionRequest,
chain_id: Option<u64>,
reserved: nonce::Reserved,
password: SignWith,
state: ProspectiveSignerState,
prospective: Option<Result<WithToken<SignedTransaction>, Error>>,
ready: Option<nonce::Ready>,
}
impl ProspectiveSigner {
pub fn new(
accounts: Arc<AccountProvider>,
filled: FilledTransactionRequest,
chain_id: Option<u64>,
reserved: nonce::Reserved,
password: SignWith,
) -> Self {
// If the account is permanently unlocked we can try to sign
// using prospective nonce. This should speed up sending
// multiple subsequent transactions in multi-threaded RPC environment.
let is_unlocked_permanently = accounts.is_unlocked_permanently(&filled.from);
let has_password = password.is_password();
ProspectiveSigner {
accounts,
filled,
chain_id,
reserved,
password,
state: if is_unlocked_permanently || has_password {
ProspectiveSignerState::TryProspectiveSign
} else {
ProspectiveSignerState::WaitForNonce
},
prospective: None,
ready: None,
}
}
fn sign(&self, nonce: &U256) -> Result<WithToken<SignedTransaction>, Error> {
sign_transaction(
&*self.accounts,
self.filled.clone(),
self.chain_id,
*nonce,
self.password.clone()
)
}
fn poll_reserved(&mut self) -> Poll<nonce::Ready, Error> {
self.reserved.poll().map_err(|_| errors::internal("Nonce reservation failure", ""))
}
}
impl Future for ProspectiveSigner {
type Item = WithToken<SignedTransaction>;
type Error = Error;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
use self::ProspectiveSignerState::*;
loop {
match self.state {
TryProspectiveSign => {
// Try to poll reserved, it might be ready.
match self.poll_reserved()? {
Async::NotReady => {
self.state = WaitForNonce;
self.prospective = Some(self.sign(self.reserved.prospective_value()));
},
Async::Ready(nonce) => {
self.state = Finish;
self.prospective = Some(self.sign(nonce.value()));
self.ready = Some(nonce);
},
}
},
WaitForNonce => {
let nonce = try_ready!(self.poll_reserved());
let result = match (self.prospective.take(), nonce.matches_prospective()) {
(Some(prospective), true) => prospective,
_ => self.sign(nonce.value()),
};
self.state = Finish;
self.prospective = Some(result);
self.ready = Some(nonce);
},
Finish => {
if let (Some(result), Some(nonce)) = (self.prospective.take(), self.ready.take()) {
// Mark nonce as used on successful signing
return result.map(move |tx| {
nonce.mark_used();
Async::Ready(tx)
})
} else {
panic!("Poll after ready.");
}
}
}
}
}
}
/// Single-use account token.
pub type AccountToken = String;
@ -436,6 +557,16 @@ pub enum SignWith {
Token(AccountToken),
}
impl SignWith {
fn is_password(&self) -> bool {
if let SignWith::Password(_) = *self {
true
} else {
false
}
}
}
/// A value, potentially accompanied by a signing token.
#[derive(Debug)]
pub enum WithToken<T: Debug> {
@ -529,7 +660,7 @@ pub fn execute<D: Dispatcher + 'static>(
))
},
ConfirmationPayload::EthSignMessage(address, data) => {
if accounts.is_hardware_address(address) {
if accounts.is_hardware_address(&address) {
return Box::new(future::err(errors::unsupported("Signing via hardware wallets is not supported.", None)));
}
@ -543,7 +674,7 @@ pub fn execute<D: Dispatcher + 'static>(
Box::new(future::done(res))
},
ConfirmationPayload::Decrypt(address, data) => {
if accounts.is_hardware_address(address) {
if accounts.is_hardware_address(&address) {
return Box::new(future::err(errors::unsupported("Decrypting via hardware wallets is not supported.", None)));
}
@ -572,7 +703,7 @@ fn signature(accounts: &AccountProvider, address: Address, hash: H256, password:
fn hardware_signature(accounts: &AccountProvider, address: Address, t: Transaction, chain_id: Option<u64>)
-> Result<SignedTransaction, Error>
{
debug_assert!(accounts.is_hardware_address(address));
debug_assert!(accounts.is_hardware_address(&address));
let mut stream = rlp::RlpStream::new();
t.rlp_append_unsigned_transaction(&mut stream, chain_id);

7
rpc/src/v1/helpers/mod.rs
View File

@ -22,14 +22,15 @@ pub mod block_import;
pub mod dapps;
pub mod dispatch;
pub mod fake_sign;
pub mod light_fetch;
pub mod oneshot;
pub mod ipfs;
pub mod light_fetch;
pub mod nonce;
pub mod oneshot;
pub mod secretstore;
mod network_settings;
mod poll_manager;
mod poll_filter;
mod poll_manager;
mod requests;
mod signer;
mod signing_queue;

249
rpc/src/v1/helpers/nonce.rs Normal file
View File

@ -0,0 +1,249 @@
// Copyright 2015-2017 harity 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, mem};
use std::sync::{atomic, Arc};
use std::sync::atomic::AtomicUsize;
use bigint::prelude::U256;
use futures::{Future, future, Poll, Async};
use futures::future::Either;
use futures::sync::oneshot;
use futures_cpupool::CpuPool;
/// Manages currently reserved and prospective nonces.
#[derive(Debug)]
pub struct Reservations {
previous: Option<oneshot::Receiver<U256>>,
pool: CpuPool,
prospective_value: U256,
dropped: Arc<AtomicUsize>,
}
impl Reservations {
/// Create new nonces manager and spawn a single-threaded cpu pool
/// for progressing execution of dropped nonces.
pub fn new() -> Self {
Self::with_pool(CpuPool::new(1))
}
/// Create new nonces manager with given cpu pool.
pub fn with_pool(pool: CpuPool) -> Self {
Reservations {
previous: None,
pool,
prospective_value: Default::default(),
dropped: Default::default(),
}
}
/// Reserves a prospective nonce.
/// The caller should provide a minimal nonce that needs to be reserved (taken from state/txqueue).
/// If there were any previous reserved nonces the returned future will be resolved when those are finished
/// (confirmed that the nonce were indeed used).
/// The caller can use `prospective_nonce` and perform some heavy computation anticipating
/// that the `prospective_nonce` will be equal to the one he will get.
pub fn reserve_nonce(&mut self, minimal: U256) -> Reserved {
// Update prospective value
let dropped = self.dropped.swap(0, atomic::Ordering::SeqCst);
let prospective_value = cmp::max(minimal, self.prospective_value - dropped.into());
self.prospective_value = prospective_value + 1.into();
let (next, rx) = oneshot::channel();
let next = Some(next);
let pool = self.pool.clone();
let dropped = self.dropped.clone();
match mem::replace(&mut self.previous, Some(rx)) {
Some(previous) => Reserved {
previous: Either::A(previous),
next,
minimal,
prospective_value,
pool,
dropped,
},
None => Reserved {
previous: Either::B(future::ok(minimal)),
next,
minimal,
prospective_value,
pool,
dropped,
},
}
}
}
/// Represents a future nonce.
#[derive(Debug)]
pub struct Reserved {
previous: Either<
oneshot::Receiver<U256>,
future::FutureResult<U256, oneshot::Canceled>
>,
next: Option<oneshot::Sender<U256>>,
minimal: U256,
prospective_value: U256,
pool: CpuPool,
dropped: Arc<AtomicUsize>,
}
impl Reserved {
/// Returns a prospective value of the nonce.
/// NOTE: This might be different than the one we resolve to.
/// Make sure to check if both nonces match or use the latter one.
pub fn prospective_value(&self) -> &U256 {
&self.prospective_value
}
}
impl Future for Reserved {
type Item = Ready;
type Error = ();
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
let mut value = try_ready!(self.previous.poll().map_err(|e| {
warn!("Unexpected nonce cancellation: {}", e);
}));
if value < self.minimal {
value = self.minimal
}
let matches_prospective = value == self.prospective_value;
Ok(Async::Ready(Ready {
value,
matches_prospective,
next: self.next.take(),
dropped: self.dropped.clone(),
}))
}
}
impl Drop for Reserved {
fn drop(&mut self) {
if let Some(next) = self.next.take() {
self.dropped.fetch_add(1, atomic::Ordering::SeqCst);
// If Reserved is dropped just pipe previous and next together.
let previous = mem::replace(&mut self.previous, Either::B(future::ok(U256::default())));
self.pool.spawn(previous.map(|nonce| {
next.send(nonce).expect(Ready::RECV_PROOF)
})).forget()
}
}
}
/// Represents a valid reserved nonce.
/// This can be used to dispatch the transaction.
///
/// After this nonce is used it should be marked as such
/// using `mark_used` method.
#[derive(Debug)]
pub struct Ready {
value: U256,
matches_prospective: bool,
next: Option<oneshot::Sender<U256>>,
dropped: Arc<AtomicUsize>,
}
impl Ready {
const RECV_PROOF: &'static str = "Receiver never dropped.";
/// Returns a value of the nonce.
pub fn value(&self) -> &U256 {
&self.value
}
/// Returns true if current value matches the prospective nonce.
pub fn matches_prospective(&self) -> bool {
self.matches_prospective
}
/// Marks this nonce as used.
/// Make sure to call that method after this nonce has been consumed.
pub fn mark_used(mut self) {
let next = self.next.take().expect("Nonce can be marked as used only once; qed");
next.send(self.value + 1.into()).expect(Self::RECV_PROOF);
}
}
impl Drop for Ready {
fn drop(&mut self) {
if let Some(send) = self.next.take() {
self.dropped.fetch_add(1, atomic::Ordering::SeqCst);
send.send(self.value).expect(Self::RECV_PROOF);
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn should_reserve_a_set_of_nonces_and_resolve_them() {
let mut nonces = Reservations::new();
let n1 = nonces.reserve_nonce(5.into());
let n2 = nonces.reserve_nonce(5.into());
let n3 = nonces.reserve_nonce(5.into());
let n4 = nonces.reserve_nonce(5.into());
// Check first nonce
let r = n1.wait().unwrap();
assert_eq!(r.value(), &U256::from(5));
assert!(r.matches_prospective());
r.mark_used();
// Drop second nonce
drop(n2);
// Drop third without marking as used
let r = n3.wait().unwrap();
drop(r);
// Last nonce should be resolved to 6
let r = n4.wait().unwrap();
assert_eq!(r.value(), &U256::from(6));
assert!(!r.matches_prospective());
r.mark_used();
// Next nonce should be immediately available.
let n5 = nonces.reserve_nonce(5.into());
let r = n5.wait().unwrap();
assert_eq!(r.value(), &U256::from(7));
assert!(r.matches_prospective());
r.mark_used();
// Should use start number if it's greater
let n6 = nonces.reserve_nonce(10.into());
let r = n6.wait().unwrap();
assert_eq!(r.value(), &U256::from(10));
assert!(r.matches_prospective());
r.mark_used();
}
#[test]
fn should_return_prospective_nonce() {
let mut nonces = Reservations::new();
let n1 = nonces.reserve_nonce(5.into());
let n2 = nonces.reserve_nonce(5.into());
assert_eq!(n1.prospective_value(), &U256::from(5));
assert_eq!(n2.prospective_value(), &U256::from(6));
}
}

3
rpc/src/v1/helpers/requests.rs
View File

@ -15,8 +15,9 @@
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
use bigint::prelude::U256;
use util::Address;
use bytes::Bytes;
use util::Address;
use v1::types::{Origin, TransactionCondition};
/// Transaction request coming from RPC

9
rpc/src/v1/impls/eth.rs
View File

@ -45,7 +45,7 @@ use jsonrpc_core::futures::future;
use jsonrpc_macros::Trailing;
use v1::helpers::{errors, limit_logs, fake_sign};
use v1::helpers::dispatch::{Dispatcher, FullDispatcher, default_gas_price};
use v1::helpers::dispatch::{FullDispatcher, default_gas_price};
use v1::helpers::block_import::is_major_importing;
use v1::helpers::accounts::unwrap_provider;
use v1::traits::Eth;
@ -610,8 +610,11 @@ impl<C, SN: ?Sized, S: ?Sized, M, EM> Eth for EthClient<C, SN, S, M, EM> where
.map_err(errors::rlp)
.and_then(|tx| SignedTransaction::new(tx).map_err(errors::transaction))
.and_then(|signed_transaction| {
FullDispatcher::new(self.client.clone(), self.miner.clone())
.dispatch_transaction(signed_transaction.into())
FullDispatcher::dispatch_transaction(
&*self.client,
&*self.miner,
signed_transaction.into(),
)
})
.map(Into::into)
}

2
rpc/src/v1/impls/signing.rs
View File

@ -125,7 +125,7 @@ impl<D: Dispatcher + 'static> SigningQueueClient<D> {
Box::new(dispatch::from_rpc(payload, default_account, &dispatcher)
.and_then(move |payload| {
let sender = payload.sender();
if accounts.is_unlocked(sender) {
if accounts.is_unlocked(&sender) {
Either::A(dispatch::execute(dispatcher, accounts, payload, dispatch::SignWith::Nothing)
.map(|v| v.into_value())
.map(DispatchResult::Value))

28
rpc/src/v1/tests/eth.rs
View File

@ -19,25 +19,27 @@ use std::env;
use std::sync::Arc;
use std::time::Duration;
use ethcore::client::{BlockChainClient, Client, ClientConfig};
use ethcore::ids::BlockId;
use ethcore::spec::{Genesis, Spec};
use ethcore::block::Block;
use ethcore::views::BlockView;
use ethcore::ethereum;
use ethcore::miner::{MinerOptions, Banning, GasPricer, MinerService, ExternalMiner, Miner, PendingSet, PrioritizationStrategy, GasLimit};
use bigint::hash::H256;
use bigint::prelude::U256;
use ethcore::account_provider::AccountProvider;
use ethcore::block::Block;
use ethcore::client::{BlockChainClient, Client, ClientConfig};
use ethcore::ethereum;
use ethcore::ids::BlockId;
use ethcore::miner::{MinerOptions, Banning, GasPricer, MinerService, ExternalMiner, Miner, PendingSet, PrioritizationStrategy, GasLimit};
use ethcore::spec::{Genesis, Spec};
use ethcore::views::BlockView;
use ethjson::blockchain::BlockChain;
use ethjson::state::test::ForkSpec;
use io::IoChannel;
use bigint::prelude::U256;
use bigint::hash::H256;
use util::Address;
use kvdb_memorydb;
use parking_lot::Mutex;
use util::Address;
use jsonrpc_core::IoHandler;
use v1::impls::{EthClient, SigningUnsafeClient};
use v1::helpers::dispatch::FullDispatcher;
use v1::helpers::nonce;
use v1::impls::{EthClient, SigningUnsafeClient};
use v1::metadata::Metadata;
use v1::tests::helpers::{TestSnapshotService, TestSyncProvider, Config};
use v1::traits::eth::Eth;
@ -148,7 +150,9 @@ impl EthTester {
Default::default(),
);
let dispatcher = FullDispatcher::new(client.clone(), miner_service.clone());
let reservations = Arc::new(Mutex::new(nonce::Reservations::new()));
let dispatcher = FullDispatcher::new(client.clone(), miner_service.clone(), reservations);
let eth_sign = SigningUnsafeClient::new(
&opt_account_provider,
dispatcher,

4
rpc/src/v1/tests/mocked/eth.rs
View File

@ -37,6 +37,7 @@ use ethsync::SyncState;
use jsonrpc_core::IoHandler;
use v1::{Eth, EthClient, EthClientOptions, EthFilter, EthFilterClient, EthSigning, SigningUnsafeClient};
use v1::helpers::nonce;
use v1::helpers::dispatch::FullDispatcher;
use v1::tests::helpers::{TestSyncProvider, Config, TestMinerService, TestSnapshotService};
use v1::metadata::Metadata;
@ -94,8 +95,9 @@ impl EthTester {
let external_miner = Arc::new(ExternalMiner::new(hashrates.clone()));
let eth = EthClient::new(&client, &snapshot, &sync, &opt_ap, &miner, &external_miner, options).to_delegate();
let filter = EthFilterClient::new(client.clone(), miner.clone()).to_delegate();
let reservations = Arc::new(Mutex::new(nonce::Reservations::new()));
let dispatcher = FullDispatcher::new(client.clone(), miner.clone());
let dispatcher = FullDispatcher::new(client.clone(), miner.clone(), reservations);
let sign = SigningUnsafeClient::new(&opt_ap, dispatcher).to_delegate();
let mut io: IoHandler<Metadata> = IoHandler::default();
io.extend_with(eth);

7
rpc/src/v1/tests/mocked/personal.rs
View File

@ -17,14 +17,16 @@
use std::sync::Arc;
use std::str::FromStr;
use bigint::prelude::U256;
use ethcore::account_provider::AccountProvider;
use ethcore::client::TestBlockChainClient;
use ethcore::transaction::{Action, Transaction};
use jsonrpc_core::IoHandler;
use bigint::prelude::U256;
use parking_lot::Mutex;
use util::Address;
use v1::{PersonalClient, Personal, Metadata};
use v1::helpers::nonce;
use v1::helpers::dispatch::FullDispatcher;
use v1::tests::helpers::TestMinerService;
@ -52,8 +54,9 @@ fn setup() -> PersonalTester {
let opt_accounts = Some(accounts.clone());
let client = blockchain_client();
let miner = miner_service();
let reservations = Arc::new(Mutex::new(nonce::Reservations::new()));
let dispatcher = FullDispatcher::new(client, miner.clone());
let dispatcher = FullDispatcher::new(client, miner.clone(), reservations);
let personal = PersonalClient::new(opt_accounts, dispatcher, false);
let mut io = IoHandler::default();

6
rpc/src/v1/tests/mocked/signer.rs
View File

@ -24,6 +24,7 @@ use ethcore::account_provider::AccountProvider;
use ethcore::client::TestBlockChainClient;
use ethcore::transaction::{Transaction, Action, SignedTransaction};
use parity_reactor::EventLoop;
use parking_lot::Mutex;
use rlp::encode;
use serde_json;
@ -32,7 +33,7 @@ use v1::{SignerClient, Signer, Origin};
use v1::metadata::Metadata;
use v1::tests::helpers::TestMinerService;
use v1::types::{Bytes as RpcBytes, H520};
use v1::helpers::{SigningQueue, SignerService, FilledTransactionRequest, ConfirmationPayload};
use v1::helpers::{nonce, SigningQueue, SignerService, FilledTransactionRequest, ConfirmationPayload};
use v1::helpers::dispatch::{FullDispatcher, eth_data_hash};
struct SignerTester {
@ -61,9 +62,10 @@ fn signer_tester() -> SignerTester {
let opt_accounts = Some(accounts.clone());
let client = blockchain_client();
let miner = miner_service();
let reservations = Arc::new(Mutex::new(nonce::Reservations::new()));
let event_loop = EventLoop::spawn();
let dispatcher = FullDispatcher::new(client, miner.clone());
let dispatcher = FullDispatcher::new(client, miner.clone(), reservations);
let mut io = IoHandler::default();
io.extend_with(SignerClient::new(&opt_accounts, dispatcher, &signer, event_loop.remote()).to_delegate());

6
rpc/src/v1/tests/mocked/signing.rs
View File

@ -25,7 +25,7 @@ use jsonrpc_core::futures::Future;
use v1::impls::SigningQueueClient;
use v1::metadata::Metadata;
use v1::traits::{EthSigning, ParitySigning, Parity};
use v1::helpers::{SignerService, SigningQueue, FullDispatcher};
use v1::helpers::{nonce, SignerService, SigningQueue, FullDispatcher};
use v1::types::{ConfirmationResponse, RichRawTransaction};
use v1::tests::helpers::TestMinerService;
use v1::tests::mocked::parity;
@ -39,6 +39,7 @@ use ethcore::client::TestBlockChainClient;
use ethcore::transaction::{Transaction, Action, SignedTransaction};
use ethstore::ethkey::{Generator, Random};
use serde_json;
use parking_lot::Mutex;
use parity_reactor::Remote;
@ -57,9 +58,10 @@ impl Default for SigningTester {
let miner = Arc::new(TestMinerService::default());
let accounts = Arc::new(AccountProvider::transient_provider());
let opt_accounts = Some(accounts.clone());
let reservations = Arc::new(Mutex::new(nonce::Reservations::new()));
let mut io = IoHandler::default();
let dispatcher = FullDispatcher::new(client.clone(), miner.clone());
let dispatcher = FullDispatcher::new(client.clone(), miner.clone(), reservations);
let remote = Remote::new_thread_per_future();