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Validator/authority contract (#3937)

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* dir

* simple validator list

* stub validator contract

* make the engine hold Weak<Client> instead of IoChannel

* validator set factory

* register weak client with ValidatorContract

* check chain security

* add address array to generator

* register provider contract

* update validator set on notify

* add validator contract spec

* simple list test

* split update and contract test

* contract change

* use client in tendermint

* fix deadlock

* step duration in params

* adapt tendermint tests

* add storage fields to test spec

* constructor spec

* execute under wrong address

* create under correct address

* revert

* validator contract constructor

* move genesis block lookup

* add removal ability to contract

* validator contract adding validators

* fix basic authority

* validator changing test

* more docs

* update sync tests

* remove env_logger

* another env_logger

* cameltoe

* hold EngineClient instead of Client

* add a comment about lock scope
This commit is contained in:
keorn 2017-01-10 12:23:59 +01:00 committed by Arkadiy Paronyan
parent 5c5244911e
commit be30c44179
29 changed files with 749 additions and 314 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ethcore/res/authority_round.json
View File

@ -6,12 +6,14 @@
"gasLimitBoundDivisor": "0x0400",
"stepDuration": 1,
"startStep": 2,
"authorities" : [
"validators": {
"list": [
"0x7d577a597b2742b498cb5cf0c26cdcd726d39e6e",
"0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1"
]
}
}
}
},
"params": {
"accountStartNonce": "0x0",

6
ethcore/res/basic_authority.json
View File

@ -5,7 +5,9 @@
"params": {
"gasLimitBoundDivisor": "0x0400",
"durationLimit": "0x0d",
"authorities" : ["0x9cce34f7ab185c7aba1b7c8140d620b4bda941d6"]
"validators": {
"list": ["0x9cce34f7ab185c7aba1b7c8140d620b4bda941d6"]
}
}
}
},
@ -17,7 +19,7 @@
},
"genesis": {
"seal": {
"generic": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"
"generic": "0xc180"
},
"difficulty": "0x20000",
"author": "0x0000000000000000000000000000000000000000",

4
ethcore/res/tendermint.json
View File

@ -4,12 +4,14 @@
"tendermint": {
"params": {
"gasLimitBoundDivisor": "0x0400",
"authorities" : [
"validators" : {
"list": [
"0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1",
"0x7d577a597b2742b498cb5cf0c26cdcd726d39e6e"
]
}
}
}
},
"params": {
"accountStartNonce": "0x0",

42
ethcore/res/validator_contract.json Normal file
View File

@ -0,0 +1,42 @@
{
"name": "TestValidatorContract",
"engine": {
"basicAuthority": {
"params": {
"gasLimitBoundDivisor": "0x0400",
"durationLimit": "0x0d",
"validators": {
"contract": "0x0000000000000000000000000000000000000005"
}
}
}
},
"params": {
"accountStartNonce": "0x0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x69"
},
"genesis": {
"seal": {
"generic": "0xc180"
},
"difficulty": "0x20000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "0x",
"gasLimit": "0x2fefd8"
},
"accounts": {
"0000000000000000000000000000000000000001": { "balance": "1", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
"0000000000000000000000000000000000000002": { "balance": "1", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
"0000000000000000000000000000000000000003": { "balance": "1", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
"0000000000000000000000000000000000000004": { "balance": "1", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
"0000000000000000000000000000000000000005": {
"balance": "1",
"constructor": "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"
},
"9cce34f7ab185c7aba1b7c8140d620b4bda941d6": { "balance": "1606938044258990275541962092341162602522202993782792835301376" }
}
}

33
ethcore/src/client/client.rs
View File

@ -53,7 +53,7 @@ use verification::queue::BlockQueue;
use blockchain::{BlockChain, BlockProvider, TreeRoute, ImportRoute};
use client::{
BlockId, TransactionId, UncleId, TraceId, ClientConfig, BlockChainClient,
MiningBlockChainClient, TraceFilter, CallAnalytics, BlockImportError, Mode,
MiningBlockChainClient, EngineClient, TraceFilter, CallAnalytics, BlockImportError, Mode,
ChainNotify, PruningInfo,
};
use client::Error as ClientError;
@ -1315,11 +1315,6 @@ impl BlockChainClient for Client {
}
}
fn broadcast_consensus_message(&self, message: Bytes) {
self.notify(|notify| notify.broadcast(message.clone()));
}
fn signing_network_id(&self) -> Option<u64> {
self.engine.signing_network_id(&self.latest_env_info())
}
@ -1414,16 +1409,6 @@ impl MiningBlockChainClient for Client {
&self.factories.vm
}
fn update_sealing(&self) {
self.miner.update_sealing(self)
}
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>) {
if self.miner.submit_seal(self, block_hash, seal).is_err() {
warn!(target: "poa", "Wrong internal seal submission!")
}
}
fn broadcast_proposal_block(&self, block: SealedBlock) {
self.notify(|notify| {
notify.new_blocks(
@ -1471,6 +1456,22 @@ impl MiningBlockChainClient for Client {
}
}
impl EngineClient for Client {
fn update_sealing(&self) {
self.miner.update_sealing(self)
}
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>) {
if self.miner.submit_seal(self, block_hash, seal).is_err() {
warn!(target: "poa", "Wrong internal seal submission!")
}
}
fn broadcast_consensus_message(&self, message: Bytes) {
self.notify(|notify| notify.broadcast(message.clone()));
}
}
impl MayPanic for Client {
fn on_panic<F>(&self, closure: F) where F: OnPanicListener {
self.panic_handler.on_panic(closure);

2
ethcore/src/client/mod.rs
View File

@ -28,7 +28,7 @@ pub use self::config::{Mode, ClientConfig, DatabaseCompactionProfile, BlockChain
pub use self::error::Error;
pub use self::test_client::{TestBlockChainClient, EachBlockWith};
pub use self::chain_notify::ChainNotify;
pub use self::traits::{BlockChainClient, MiningBlockChainClient};
pub use self::traits::{BlockChainClient, MiningBlockChainClient, EngineClient};
pub use self::traits::ProvingBlockChainClient;

28
ethcore/src/client/test_client.rs
View File

@ -24,7 +24,7 @@ use devtools::*;
use transaction::{Transaction, LocalizedTransaction, SignedTransaction, PendingTransaction, Action};
use blockchain::TreeRoute;
use client::{
BlockChainClient, MiningBlockChainClient, BlockChainInfo, BlockStatus, BlockId,
BlockChainClient, MiningBlockChainClient, EngineClient, BlockChainInfo, BlockStatus, BlockId,
TransactionId, UncleId, TraceId, TraceFilter, LastHashes, CallAnalytics, BlockImportError,
};
use db::{NUM_COLUMNS, COL_STATE};
@ -372,16 +372,6 @@ impl MiningBlockChainClient for TestBlockChainClient {
}
fn broadcast_proposal_block(&self, _block: SealedBlock) {}
fn update_sealing(&self) {
self.miner.update_sealing(self)
}
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>) {
if self.miner.submit_seal(self, block_hash, seal).is_err() {
warn!(target: "poa", "Wrong internal seal submission!")
}
}
}
impl BlockChainClient for TestBlockChainClient {
@ -699,8 +689,6 @@ impl BlockChainClient for TestBlockChainClient {
self.spec.engine.handle_message(&message).unwrap();
}
fn broadcast_consensus_message(&self, _message: Bytes) {}
fn ready_transactions(&self) -> Vec<PendingTransaction> {
self.miner.ready_transactions(self.chain_info().best_block_number)
}
@ -727,3 +715,17 @@ impl BlockChainClient for TestBlockChainClient {
fn registry_address(&self, _name: String) -> Option<Address> { None }
}
impl EngineClient for TestBlockChainClient {
fn update_sealing(&self) {
self.miner.update_sealing(self)
}
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>) {
if self.miner.submit_seal(self, block_hash, seal).is_err() {
warn!(target: "poa", "Wrong internal seal submission!")
}
}
fn broadcast_consensus_message(&self, _message: Bytes) {}
}

21
ethcore/src/client/traits.rs
View File

@ -208,9 +208,6 @@ pub trait BlockChainClient : Sync + Send {
/// Queue conensus engine message.
fn queue_consensus_message(&self, message: Bytes);
/// Used by PoA to communicate with peers.
fn broadcast_consensus_message(&self, message: Bytes);
/// List all transactions that are allowed into the next block.
fn ready_transactions(&self) -> Vec<PendingTransaction>;
@ -294,12 +291,6 @@ pub trait MiningBlockChainClient: BlockChainClient {
/// Returns EvmFactory.
fn vm_factory(&self) -> &EvmFactory;
/// Used by PoA to try sealing on period change.
fn update_sealing(&self);
/// Used by PoA to submit gathered signatures.
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>);
/// Broadcast a block proposal.
fn broadcast_proposal_block(&self, block: SealedBlock);
@ -310,6 +301,18 @@ pub trait MiningBlockChainClient: BlockChainClient {
fn latest_schedule(&self) -> Schedule;
}
/// Client facilities used by internally sealing Engines.
pub trait EngineClient: MiningBlockChainClient {
/// Make a new block and seal it.
fn update_sealing(&self);
/// Submit a seal for a block in the mining queue.
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>);
/// Broadcast a consensus message to the network.
fn broadcast_consensus_message(&self, message: Bytes);
}
/// Extended client interface for providing proofs of the state.
pub trait ProvingBlockChainClient: BlockChainClient {
/// Prove account storage at a specific block id.

82
ethcore/src/engines/authority_round.rs
View File

@ -32,11 +32,12 @@ use blockchain::extras::BlockDetails;
use views::HeaderView;
use evm::Schedule;
use ethjson;
use io::{IoContext, IoHandler, TimerToken, IoService, IoChannel};
use service::ClientIoMessage;
use io::{IoContext, IoHandler, TimerToken, IoService};
use transaction::SignedTransaction;
use env_info::EnvInfo;
use builtin::Builtin;
use client::{Client, EngineClient};
use super::validator_set::{ValidatorSet, new_validator_set};
use state::CleanupMode;
/// `AuthorityRound` params.
@ -46,14 +47,12 @@ pub struct AuthorityRoundParams {
pub gas_limit_bound_divisor: U256,
/// Time to wait before next block or authority switching.
pub step_duration: Duration,
/// Valid authorities.
pub authorities: Vec<Address>,
/// Number of authorities.
pub authority_n: usize,
/// Block reward.
pub block_reward: U256,
/// Starting step,
pub start_step: Option<u64>,
/// Valid validators.
pub validators: ethjson::spec::ValidatorSet,
}
impl From<ethjson::spec::AuthorityRoundParams> for AuthorityRoundParams {
@ -61,8 +60,7 @@ impl From<ethjson::spec::AuthorityRoundParams> for AuthorityRoundParams {
AuthorityRoundParams {
gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
step_duration: Duration::from_secs(p.step_duration.into()),
authority_n: p.authorities.len(),
authorities: p.authorities.into_iter().map(Into::into).collect::<Vec<_>>(),
validators: p.validators,
block_reward: p.block_reward.map_or_else(U256::zero, Into::into),
start_step: p.start_step.map(Into::into),
}
@ -73,14 +71,17 @@ impl From<ethjson::spec::AuthorityRoundParams> for AuthorityRoundParams {
/// mainnet chains in the Olympic, Frontier and Homestead eras.
pub struct AuthorityRound {
params: CommonParams,
our_params: AuthorityRoundParams,
gas_limit_bound_divisor: U256,
block_reward: U256,
step_duration: Duration,
builtins: BTreeMap<Address, Builtin>,
transition_service: IoService<()>,
message_channel: Mutex<Option<IoChannel<ClientIoMessage>>>,
step: AtomicUsize,
proposed: AtomicBool,
account_provider: Mutex<Option<Arc<AccountProvider>>>,
client: RwLock<Option<Weak<EngineClient>>>,
account_provider: Mutex<Arc<AccountProvider>>,
password: RwLock<Option<String>>,
validators: Box<ValidatorSet + Send + Sync>,
}
fn header_step(header: &Header) -> Result<usize, ::rlp::DecoderError> {
@ -109,14 +110,17 @@ impl AuthorityRound {
let engine = Arc::new(
AuthorityRound {
params: params,
our_params: our_params,
gas_limit_bound_divisor: our_params.gas_limit_bound_divisor,
block_reward: our_params.block_reward,
step_duration: our_params.step_duration,
builtins: builtins,
transition_service: IoService::<()>::start()?,
message_channel: Mutex::new(None),
step: AtomicUsize::new(initial_step),
proposed: AtomicBool::new(false),
account_provider: Mutex::new(None),
client: RwLock::new(None),
account_provider: Mutex::new(Arc::new(AccountProvider::transient_provider())),
password: RwLock::new(None),
validators: new_validator_set(our_params.validators),
});
// Do not initialize timeouts for tests.
if should_timeout {
@ -128,7 +132,7 @@ impl AuthorityRound {
fn remaining_step_duration(&self) -> Duration {
let now = unix_now();
let step_end = self.our_params.step_duration * (self.step.load(AtomicOrdering::SeqCst) as u32 + 1);
let step_end = self.step_duration * (self.step.load(AtomicOrdering::SeqCst) as u32 + 1);
if step_end > now {
step_end - now
} else {
@ -136,13 +140,12 @@ impl AuthorityRound {
}
}
fn step_proposer(&self, step: usize) -> &Address {
let p = &self.our_params;
p.authorities.get(step % p.authority_n).expect("There are authority_n authorities; taking number modulo authority_n gives number in authority_n range; qed")
fn step_proposer(&self, step: usize) -> Address {
self.validators.get(step)
}
fn is_step_proposer(&self, step: usize, address: &Address) -> bool {
self.step_proposer(step) == address
self.step_proposer(step) == *address
}
}
@ -187,10 +190,9 @@ impl Engine for AuthorityRound {
fn step(&self) {
self.step.fetch_add(1, AtomicOrdering::SeqCst);
self.proposed.store(false, AtomicOrdering::SeqCst);
if let Some(ref channel) = *self.message_channel.lock() {
match channel.send(ClientIoMessage::UpdateSealing) {
Ok(_) => trace!(target: "poa", "timeout: UpdateSealing message sent for step {}.", self.step.load(AtomicOrdering::Relaxed)),
Err(err) => trace!(target: "poa", "timeout: Could not send a sealing message {} for step {}.", err, self.step.load(AtomicOrdering::Relaxed)),
if let Some(ref weak) = *self.client.read() {
if let Some(c) = weak.upgrade() {
c.update_sealing();
}
}
}
@ -211,7 +213,7 @@ impl Engine for AuthorityRound {
header.set_difficulty(parent.difficulty().clone());
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.our_params.gas_limit_bound_divisor;
let bound_divisor = self.gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
@ -221,8 +223,7 @@ impl Engine for AuthorityRound {
}
fn is_sealer(&self, author: &Address) -> Option<bool> {
let p = &self.our_params;
Some(p.authorities.contains(author))
Some(self.validators.contains(author))
}
/// Attempt to seal the block internally.
@ -234,19 +235,14 @@ impl Engine for AuthorityRound {
let header = block.header();
let step = self.step.load(AtomicOrdering::SeqCst);
if self.is_step_proposer(step, header.author()) {
if let Some(ref ap) = *self.account_provider.lock() {
// Account should be permanently unlocked, otherwise sealing will fail.
let ref ap = *self.account_provider.lock();
if let Ok(signature) = ap.sign(*header.author(), self.password.read().clone(), header.bare_hash()) {
trace!(target: "poa", "generate_seal: Issuing a block for step {}.", step);
self.proposed.store(true, AtomicOrdering::SeqCst);
let rlps = vec![encode(&step).to_vec(), encode(&(&*signature as &[u8])).to_vec()];
return Seal::Regular(rlps);
return Seal::Regular(vec![encode(&step).to_vec(), encode(&(&*signature as &[u8])).to_vec()]);
} else {
warn!(target: "poa", "generate_seal: FAIL: Accounts secret key unavailable.");
}
} else {
warn!(target: "poa", "generate_seal: FAIL: Accounts not provided.");
}
} else {
trace!(target: "poa", "generate_seal: Not a proposer for step {}.", step);
}
@ -255,12 +251,9 @@ impl Engine for AuthorityRound {
/// Apply the block reward on finalisation of the block.
fn on_close_block(&self, block: &mut ExecutedBlock) {
let reward = self.our_params.block_reward;
let fields = block.fields_mut();
// Bestow block reward
fields.state.add_balance(fields.header.author(), &reward, CleanupMode::NoEmpty);
fields.state.add_balance(fields.header.author(), &self.block_reward, CleanupMode::NoEmpty);
// Commit state so that we can actually figure out the state root.
if let Err(e) = fields.state.commit() {
warn!("Encountered error on state commit: {}", e);
@ -285,7 +278,7 @@ impl Engine for AuthorityRound {
// Give one step slack if step is lagging, double vote is still not possible.
if header_step <= self.step.load(AtomicOrdering::SeqCst) + 1 {
let proposer_signature = header_signature(header)?;
let ok_sig = verify_address(self.step_proposer(header_step), &proposer_signature, &header.bare_hash())?;
let ok_sig = verify_address(&self.step_proposer(header_step), &proposer_signature, &header.bare_hash())?;
if ok_sig {
Ok(())
} else {
@ -310,7 +303,7 @@ impl Engine for AuthorityRound {
Err(EngineError::DoubleVote(header.author().clone()))?;
}
let gas_limit_divisor = self.our_params.gas_limit_bound_divisor;
let gas_limit_divisor = self.gas_limit_bound_divisor;
let min_gas = parent.gas_limit().clone() - parent.gas_limit().clone() / gas_limit_divisor;
let max_gas = parent.gas_limit().clone() + parent.gas_limit().clone() / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
@ -341,8 +334,9 @@ impl Engine for AuthorityRound {
}
}
fn register_message_channel(&self, message_channel: IoChannel<ClientIoMessage>) {
*self.message_channel.lock() = Some(message_channel);
fn register_client(&self, client: Weak<Client>) {
*self.client.write() = Some(client.clone());
self.validators.register_call_contract(client);
}
fn set_signer(&self, _address: Address, password: String) {
@ -350,7 +344,7 @@ impl Engine for AuthorityRound {
}
fn register_account_provider(&self, account_provider: Arc<AccountProvider>) {
*self.account_provider.lock() = Some(account_provider);
*self.account_provider.lock() = account_provider;
}
}
@ -458,7 +452,7 @@ mod tests {
let engine = Spec::new_test_round().engine;
let signature = tap.sign(addr, Some("0".into()), header.bare_hash()).unwrap();
// Two authorities.
// Two validators.
// Spec starts with step 2.
header.set_seal(vec![encode(&2usize).to_vec(), encode(&(&*signature as &[u8])).to_vec()]);
assert!(engine.verify_block_seal(&header).is_err());
@ -477,7 +471,7 @@ mod tests {
let engine = Spec::new_test_round().engine;
let signature = tap.sign(addr, Some("0".into()), header.bare_hash()).unwrap();
// Two authorities.
// Two validators.
// Spec starts with step 2.
header.set_seal(vec![encode(&1usize).to_vec(), encode(&(&*signature as &[u8])).to_vec()]);
assert!(engine.verify_block_seal(&header).is_ok());

39
ethcore/src/engines/basic_authority.rs
View File

@ -16,6 +16,8 @@
//! A blockchain engine that supports a basic, non-BFT proof-of-authority.
use std::sync::Weak;
use util::*;
use ethkey::{recover, public_to_address};
use account_provider::AccountProvider;
use block::*;
@ -28,26 +30,23 @@ use evm::Schedule;
use ethjson;
use header::Header;
use transaction::SignedTransaction;
use util::*;
use client::Client;
use super::validator_set::{ValidatorSet, new_validator_set};
/// `BasicAuthority` params.
#[derive(Debug, PartialEq)]
pub struct BasicAuthorityParams {
/// Gas limit divisor.
pub gas_limit_bound_divisor: U256,
/// Block duration.
pub duration_limit: u64,
/// Valid signatories.
pub authorities: HashSet<Address>,
pub validators: ethjson::spec::ValidatorSet,
}
impl From<ethjson::spec::BasicAuthorityParams> for BasicAuthorityParams {
fn from(p: ethjson::spec::BasicAuthorityParams) -> Self {
BasicAuthorityParams {
gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
duration_limit: p.duration_limit.into(),
authorities: p.authorities.into_iter().map(Into::into).collect::<HashSet<_>>(),
validators: p.validators,
}
}
}
@ -56,10 +55,11 @@ impl From<ethjson::spec::BasicAuthorityParams> for BasicAuthorityParams {
/// mainnet chains in the Olympic, Frontier and Homestead eras.
pub struct BasicAuthority {
params: CommonParams,
our_params: BasicAuthorityParams,
gas_limit_bound_divisor: U256,
builtins: BTreeMap<Address, Builtin>,
account_provider: Mutex<Option<Arc<AccountProvider>>>,
password: RwLock<Option<String>>,
validators: Box<ValidatorSet + Send + Sync>,
}
impl BasicAuthority {
@ -67,8 +67,9 @@ impl BasicAuthority {
pub fn new(params: CommonParams, our_params: BasicAuthorityParams, builtins: BTreeMap<Address, Builtin>) -> Self {
BasicAuthority {
params: params,
our_params: our_params,
gas_limit_bound_divisor: our_params.gas_limit_bound_divisor,
builtins: builtins,
validators: new_validator_set(our_params.validators),
account_provider: Mutex::new(None),
password: RwLock::new(None),
}
@ -95,7 +96,7 @@ impl Engine for BasicAuthority {
header.set_difficulty(parent.difficulty().clone());
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.our_params.gas_limit_bound_divisor;
let bound_divisor = self.gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
@ -105,23 +106,23 @@ impl Engine for BasicAuthority {
}
fn is_sealer(&self, author: &Address) -> Option<bool> {
Some(self.our_params.authorities.contains(author))
Some(self.validators.contains(author))
}
/// Attempt to seal the block internally.
///
/// This operation is synchronous and may (quite reasonably) not be available, in which `false` will
/// be returned.
fn generate_seal(&self, block: &ExecutedBlock) -> Seal {
if let Some(ref ap) = *self.account_provider.lock() {
let header = block.header();
let author = header.author();
if self.validators.contains(author) {
let message = header.bare_hash();
// account should be pernamently unlocked, otherwise sealing will fail
if let Ok(signature) = ap.sign(*block.header().author(), self.password.read().clone(), message) {
if let Ok(signature) = ap.sign(*author, self.password.read().clone(), message) {
return Seal::Regular(vec![::rlp::encode(&(&*signature as &[u8])).to_vec()]);
} else {
trace!(target: "basicauthority", "generate_seal: FAIL: accounts secret key unavailable");
}
}
} else {
trace!(target: "basicauthority", "generate_seal: FAIL: accounts not provided");
}
@ -145,7 +146,7 @@ impl Engine for BasicAuthority {
// check the signature is legit.
let sig = UntrustedRlp::new(&header.seal()[0]).as_val::<H520>()?;
let signer = public_to_address(&recover(&sig.into(), &header.bare_hash())?);
if !self.our_params.authorities.contains(&signer) {
if !self.validators.contains(&signer) {
return Err(BlockError::InvalidSeal)?;
}
Ok(())
@ -161,7 +162,7 @@ impl Engine for BasicAuthority {
if header.difficulty() != parent.difficulty() {
return Err(From::from(BlockError::InvalidDifficulty(Mismatch { expected: *parent.difficulty(), found: *header.difficulty() })))
}
let gas_limit_divisor = self.our_params.gas_limit_bound_divisor;
let gas_limit_divisor = self.gas_limit_bound_divisor;
let min_gas = parent.gas_limit().clone() - parent.gas_limit().clone() / gas_limit_divisor;
let max_gas = parent.gas_limit().clone() + parent.gas_limit().clone() / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
@ -179,6 +180,10 @@ impl Engine for BasicAuthority {
t.sender().map(|_|()) // Perform EC recovery and cache sender
}
fn register_client(&self, client: Weak<Client>) {
self.validators.register_call_contract(client);
}
fn set_signer(&self, _address: Address, password: String) {
*self.password.write() = Some(password);
}

16
ethcore/src/engines/mod.rs
View File

@ -21,6 +21,7 @@ mod instant_seal;
mod basic_authority;
mod authority_round;
mod tendermint;
mod validator_set;
pub use self::null_engine::NullEngine;
pub use self::instant_seal::InstantSeal;
@ -28,6 +29,7 @@ pub use self::basic_authority::BasicAuthority;
pub use self::authority_round::AuthorityRound;
pub use self::tendermint::Tendermint;
use std::sync::Weak;
use util::*;
use account_provider::AccountProvider;
use block::ExecutedBlock;
@ -36,13 +38,12 @@ use env_info::EnvInfo;
use error::Error;
use spec::CommonParams;
use evm::Schedule;
use io::IoChannel;
use service::ClientIoMessage;
use header::Header;
use transaction::SignedTransaction;
use ethereum::ethash;
use blockchain::extras::BlockDetails;
use views::HeaderView;
use client::Client;
/// Voting errors.
#[derive(Debug)]
@ -207,14 +208,15 @@ pub trait Engine : Sync + Send {
/// Register an account which signs consensus messages.
fn set_signer(&self, _address: Address, _password: String) {}
/// Stops any services that the may hold the Engine and makes it safe to drop.
fn stop(&self) {}
/// Add a channel for communication with Client which can be used for sealing.
fn register_message_channel(&self, _message_channel: IoChannel<ClientIoMessage>) {}
/// Add Client which can be used for sealing, querying the state and sending messages.
fn register_client(&self, _client: Weak<Client>) {}
/// Add an account provider useful for Engines that sign stuff.
fn register_account_provider(&self, _account_provider: Arc<AccountProvider>) {}
/// Trigger next step of the consensus engine.
fn step(&self) {}
/// Stops any services that the may hold the Engine and makes it safe to drop.
fn stop(&self) {}
}

207
ethcore/src/engines/tendermint/mod.rs
View File

@ -27,8 +27,10 @@ mod transition;
mod params;
mod vote_collector;
use std::sync::Weak;
use std::sync::atomic::{AtomicUsize, Ordering as AtomicOrdering};
use util::*;
use client::{Client, EngineClient};
use error::{Error, BlockError};
use header::Header;
use builtin::Builtin;
@ -43,9 +45,9 @@ use engines::{Engine, Seal, EngineError};
use blockchain::extras::BlockDetails;
use views::HeaderView;
use evm::Schedule;
use io::{IoService, IoChannel};
use service::ClientIoMessage;
use state::CleanupMode;
use io::IoService;
use super::validator_set::{ValidatorSet, new_validator_set};
use self::message::*;
use self::transition::TransitionHandler;
use self::params::TendermintParams;
@ -75,9 +77,11 @@ pub type BlockHash = H256;
/// Engine using `Tendermint` consensus algorithm, suitable for EVM chain.
pub struct Tendermint {
params: CommonParams,
our_params: TendermintParams,
gas_limit_bound_divisor: U256,
builtins: BTreeMap<Address, Builtin>,
step_service: IoService<Step>,
client: RwLock<Option<Weak<EngineClient>>>,
block_reward: U256,
/// Address to be used as authority.
authority: RwLock<Address>,
/// Password used for signing messages.
@ -90,8 +94,6 @@ pub struct Tendermint {
step: RwLock<Step>,
/// Vote accumulator.
votes: VoteCollector,
/// Channel for updating the sealing.
message_channel: Mutex<Option<IoChannel<ClientIoMessage>>>,
/// Used to sign messages and proposals.
account_provider: Mutex<Option<Arc<AccountProvider>>>,
/// Message for the last PoLC.
@ -100,6 +102,8 @@ pub struct Tendermint {
last_lock: AtomicUsize,
/// Bare hash of the proposed block, used for seal submission.
proposal: RwLock<Option<H256>>,
/// Set used to determine the current validators.
validators: Box<ValidatorSet + Send + Sync>,
}
impl Tendermint {
@ -108,53 +112,49 @@ impl Tendermint {
let engine = Arc::new(
Tendermint {
params: params,
our_params: our_params,
gas_limit_bound_divisor: our_params.gas_limit_bound_divisor,
builtins: builtins,
client: RwLock::new(None),
step_service: IoService::<Step>::start()?,
block_reward: our_params.block_reward,
authority: RwLock::new(Address::default()),
password: RwLock::new(None),
height: AtomicUsize::new(1),
round: AtomicUsize::new(0),
step: RwLock::new(Step::Propose),
votes: VoteCollector::new(),
message_channel: Mutex::new(None),
account_provider: Mutex::new(None),
lock_change: RwLock::new(None),
last_lock: AtomicUsize::new(0),
proposal: RwLock::new(None),
validators: new_validator_set(our_params.validators),
});
let handler = TransitionHandler { engine: Arc::downgrade(&engine) };
let handler = TransitionHandler::new(Arc::downgrade(&engine), our_params.timeouts);
engine.step_service.register_handler(Arc::new(handler))?;
Ok(engine)
}
fn update_sealing(&self) {
if let Some(ref channel) = *self.message_channel.lock() {
match channel.send(ClientIoMessage::UpdateSealing) {
Ok(_) => trace!(target: "poa", "UpdateSealing message sent."),
Err(err) => warn!(target: "poa", "Could not send a sealing message {}.", err),
if let Some(ref weak) = *self.client.read() {
if let Some(c) = weak.upgrade() {
c.update_sealing();
}
}
}
fn submit_seal(&self, block_hash: H256, seal: Vec<Bytes>) {
if let Some(ref channel) = *self.message_channel.lock() {
match channel.send(ClientIoMessage::SubmitSeal(block_hash, seal)) {
Ok(_) => trace!(target: "poa", "SubmitSeal message sent."),
Err(err) => warn!(target: "poa", "Could not send a sealing message {}.", err),
if let Some(ref weak) = *self.client.read() {
if let Some(c) = weak.upgrade() {
c.submit_seal(block_hash, seal);
}
}
}
fn broadcast_message(&self, message: Bytes) {
let channel = self.message_channel.lock().clone();
if let Some(ref channel) = channel {
match channel.send(ClientIoMessage::BroadcastMessage(message)) {
Ok(_) => trace!(target: "poa", "BroadcastMessage message sent."),
Err(err) => warn!(target: "poa", "broadcast_message: Could not send a sealing message {}.", err),
if let Some(ref weak) = *self.client.read() {
if let Some(c) = weak.upgrade() {
c.broadcast_consensus_message(message);
}
} else {
warn!(target: "poa", "broadcast_message: No IoChannel available.");
}
}
@ -265,23 +265,22 @@ impl Tendermint {
}
fn is_authority(&self, address: &Address) -> bool {
self.our_params.authorities.contains(address)
self.validators.contains(address)
}
fn is_above_threshold(&self, n: usize) -> bool {
n > self.our_params.authority_n * 2/3
n > self.validators.count() * 2/3
}
/// Check if address is a proposer for given round.
fn is_round_proposer(&self, height: Height, round: Round, address: &Address) -> Result<(), EngineError> {
let ref p = self.our_params;
let proposer_nonce = height + round;
trace!(target: "poa", "is_proposer: Proposer nonce: {}", proposer_nonce);
let proposer = p.authorities.get(proposer_nonce % p.authority_n).expect("There are authority_n authorities; taking number modulo authority_n gives number in authority_n range; qed");
if proposer == address {
let proposer = self.validators.get(proposer_nonce);
if proposer == *address {
Ok(())
} else {
Err(EngineError::NotProposer(Mismatch { expected: proposer.clone(), found: address.clone() }))
Err(EngineError::NotProposer(Mismatch { expected: proposer, found: address.clone() }))
}
}
@ -405,7 +404,7 @@ impl Engine for Tendermint {
header.set_difficulty(parent.difficulty().clone());
header.set_gas_limit({
let gas_limit = parent.gas_limit().clone();
let bound_divisor = self.our_params.gas_limit_bound_divisor;
let bound_divisor = self.gas_limit_bound_divisor;
if gas_limit < gas_floor_target {
min(gas_floor_target, gas_limit + gas_limit / bound_divisor - 1.into())
} else {
@ -472,12 +471,9 @@ impl Engine for Tendermint {
/// Apply the block reward on finalisation of the block.
fn on_close_block(&self, block: &mut ExecutedBlock) {
let reward = self.our_params.block_reward;
let fields = block.fields_mut();
// Bestow block reward
fields.state.add_balance(fields.header.author(), &reward, CleanupMode::NoEmpty);
fields.state.add_balance(fields.header.author(), &self.block_reward, CleanupMode::NoEmpty);
// Commit state so that we can actually figure out the state root.
if let Err(e) = fields.state.commit() {
warn!("Encountered error on state commit: {}", e);
@ -522,7 +518,7 @@ impl Engine for Tendermint {
Some(a) => a,
None => public_to_address(&recover(&precommit.signature.into(), &precommit_hash)?),
};
if !self.our_params.authorities.contains(&address) {
if !self.validators.contains(&address) {
Err(EngineError::NotAuthorized(address.to_owned()))?
}
@ -555,7 +551,7 @@ impl Engine for Tendermint {
Err(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() }))?;
}
let gas_limit_divisor = self.our_params.gas_limit_bound_divisor;
let gas_limit_divisor = self.gas_limit_bound_divisor;
let min_gas = parent.gas_limit().clone() - parent.gas_limit().clone() / gas_limit_divisor;
let max_gas = parent.gas_limit().clone() + parent.gas_limit().clone() / gas_limit_divisor;
if header.gas_limit() <= &min_gas || header.gas_limit() >= &max_gas {
@ -658,9 +654,9 @@ impl Engine for Tendermint {
self.to_step(next_step);
}
fn register_message_channel(&self, message_channel: IoChannel<ClientIoMessage>) {
trace!(target: "poa", "Register the IoChannel.");
*self.message_channel.lock() = Some(message_channel);
fn register_client(&self, client: Weak<Client>) {
*self.client.write() = Some(client.clone());
self.validators.register_call_contract(client);
}
fn register_account_provider(&self, account_provider: Arc<AccountProvider>) {
@ -671,21 +667,20 @@ impl Engine for Tendermint {
#[cfg(test)]
mod tests {
use util::*;
use io::{IoContext, IoHandler};
use block::*;
use error::{Error, BlockError};
use header::Header;
use io::IoChannel;
use env_info::EnvInfo;
use client::chain_notify::ChainNotify;
use miner::MinerService;
use tests::helpers::*;
use account_provider::AccountProvider;
use service::ClientIoMessage;
use spec::Spec;
use engines::{Engine, EngineError, Seal};
use super::*;
use super::message::*;
/// Accounts inserted with "0" and "1" are authorities. First proposer is "0".
/// Accounts inserted with "0" and "1" are validators. First proposer is "0".
fn setup() -> (Spec, Arc<AccountProvider>) {
let tap = Arc::new(AccountProvider::transient_provider());
let spec = Spec::new_test_tendermint();
@ -693,13 +688,13 @@ mod tests {
(spec, tap)
}
fn propose_default(spec: &Spec, proposer: Address) -> (LockedBlock, Vec<Bytes>) {
fn propose_default(spec: &Spec, proposer: Address) -> (ClosedBlock, Vec<Bytes>) {
let mut db_result = get_temp_state_db();
let db = spec.ensure_db_good(db_result.take(), &Default::default()).unwrap();
let genesis_header = spec.genesis_header();
let last_hashes = Arc::new(vec![genesis_header.hash()]);
let b = OpenBlock::new(spec.engine.as_ref(), Default::default(), false, db.boxed_clone(), &genesis_header, last_hashes, proposer, (3141562.into(), 31415620.into()), vec![]).unwrap();
let b = b.close_and_lock();
let b = b.close();
if let Seal::Proposal(seal) = spec.engine.generate_seal(b.block()) {
(b, seal)
} else {
@ -707,7 +702,7 @@ mod tests {
}
}
fn vote<F>(engine: &Arc<Engine>, signer: F, height: usize, round: usize, step: Step, block_hash: Option<H256>) -> Bytes where F: FnOnce(H256) -> Result<H520, ::account_provider::Error> {
fn vote<F>(engine: &Engine, signer: F, height: usize, round: usize, step: Step, block_hash: Option<H256>) -> Bytes where F: FnOnce(H256) -> Result<H520, ::account_provider::Error> {
let mi = message_info_rlp(height, round, step, block_hash);
let m = message_full_rlp(&signer(mi.sha3()).unwrap().into(), &mi);
engine.handle_message(&m).unwrap();
@ -725,37 +720,26 @@ mod tests {
]
}
fn precommit_signatures(tap: &Arc<AccountProvider>, height: Height, round: Round, bare_hash: Option<H256>, v1: H160, v2: H160) -> Bytes {
let vote_info = message_info_rlp(height, round, Step::Precommit, bare_hash);
::rlp::encode(&vec![
H520::from(tap.sign(v1, None, vote_info.sha3()).unwrap()),
H520::from(tap.sign(v2, None, vote_info.sha3()).unwrap())
]).to_vec()
}
fn insert_and_unlock(tap: &Arc<AccountProvider>, acc: &str) -> Address {
let addr = tap.insert_account(acc.sha3(), acc).unwrap();
tap.unlock_account_permanently(addr, acc.into()).unwrap();
addr
}
fn insert_and_register(tap: &Arc<AccountProvider>, engine: &Arc<Engine>, acc: &str) -> Address {
fn insert_and_register(tap: &Arc<AccountProvider>, engine: &Engine, acc: &str) -> Address {
let addr = insert_and_unlock(tap, acc);
engine.set_signer(addr.clone(), acc.into());
addr
}
struct TestIo {
received: RwLock<Vec<ClientIoMessage>>
#[derive(Default)]
struct TestNotify {
messages: RwLock<Vec<Bytes>>,
}
impl TestIo {
fn new() -> Arc<Self> { Arc::new(TestIo { received: RwLock::new(Vec::new()) }) }
}
impl IoHandler<ClientIoMessage> for TestIo {
fn message(&self, _io: &IoContext<ClientIoMessage>, net_message: &ClientIoMessage) {
self.received.write().push(net_message.clone());
impl ChainNotify for TestNotify {
fn broadcast(&self, data: Vec<u8>) {
self.messages.write().push(data);
}
}
@ -879,10 +863,10 @@ mod tests {
fn can_generate_seal() {
let (spec, tap) = setup();
let proposer = insert_and_register(&tap, &spec.engine, "1");
let proposer = insert_and_register(&tap, spec.engine.as_ref(), "1");
let (b, seal) = propose_default(&spec, proposer);
assert!(b.try_seal(spec.engine.as_ref(), seal).is_ok());
assert!(b.lock().try_seal(spec.engine.as_ref(), seal).is_ok());
spec.engine.stop();
}
@ -890,10 +874,10 @@ mod tests {
fn can_recognize_proposal() {
let (spec, tap) = setup();
let proposer = insert_and_register(&tap, &spec.engine, "1");
let proposer = insert_and_register(&tap, spec.engine.as_ref(), "1");
let (b, seal) = propose_default(&spec, proposer);
let sealed = b.seal(spec.engine.as_ref(), seal).unwrap();
let sealed = b.lock().seal(spec.engine.as_ref(), seal).unwrap();
assert!(spec.engine.is_proposal(sealed.header()));
spec.engine.stop();
}
@ -903,8 +887,8 @@ mod tests {
let (spec, tap) = setup();
let engine = spec.engine.clone();
let v0 = insert_and_register(&tap, &engine, "0");
let v1 = insert_and_register(&tap, &engine, "1");
let v0 = insert_and_register(&tap, engine.as_ref(), "0");
let v1 = insert_and_register(&tap, engine.as_ref(), "1");
let h = 0;
let r = 0;
@ -913,57 +897,74 @@ mod tests {
let (b, _) = propose_default(&spec, v1.clone());
let proposal = Some(b.header().bare_hash());
// Register IoHandler remembers messages.
let test_io = TestIo::new();
let channel = IoChannel::to_handler(Arc::downgrade(&(test_io.clone() as Arc<IoHandler<ClientIoMessage>>)));
engine.register_message_channel(channel);
let client = generate_dummy_client(0);
let notify = Arc::new(TestNotify::default());
client.add_notify(notify.clone());
engine.register_client(Arc::downgrade(&client));
let prevote_current = vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
let prevote_current = vote(engine.as_ref(), |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
let precommit_current = vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
let precommit_current = vote(engine.as_ref(), |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
let prevote_future = vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h + 1, r, Step::Prevote, proposal);
let prevote_future = vote(engine.as_ref(), |mh| tap.sign(v0, None, mh).map(H520::from), h + 1, r, Step::Prevote, proposal);
// Relays all valid present and future messages.
assert!(test_io.received.read().contains(&ClientIoMessage::BroadcastMessage(prevote_current)));
assert!(test_io.received.read().contains(&ClientIoMessage::BroadcastMessage(precommit_current)));
assert!(test_io.received.read().contains(&ClientIoMessage::BroadcastMessage(prevote_future)));
assert!(notify.messages.read().contains(&prevote_current));
assert!(notify.messages.read().contains(&precommit_current));
assert!(notify.messages.read().contains(&prevote_future));
engine.stop();
}
#[test]
fn seal_submission() {
let (spec, tap) = setup();
let engine = spec.engine.clone();
use ethkey::{Generator, Random};
use types::transaction::{Transaction, Action};
use client::BlockChainClient;
let v0 = insert_and_register(&tap, &engine, "0");
let v1 = insert_and_register(&tap, &engine, "1");
let client = generate_dummy_client_with_spec_and_data(Spec::new_test_tendermint, 0, 0, &[]);
let engine = client.engine();
let tap = Arc::new(AccountProvider::transient_provider());
// Accounts for signing votes.
let v0 = insert_and_unlock(&tap, "0");
let v1 = insert_and_unlock(&tap, "1");
let notify = Arc::new(TestNotify::default());
engine.register_account_provider(tap.clone());
client.add_notify(notify.clone());
engine.register_client(Arc::downgrade(&client));
let keypair = Random.generate().unwrap();
let transaction = Transaction {
action: Action::Create,
value: U256::zero(),
data: "3331600055".from_hex().unwrap(),
gas: U256::from(100_000),
gas_price: U256::zero(),
nonce: U256::zero(),
}.sign(keypair.secret(), None);
client.miner().import_own_transaction(client.as_ref(), transaction.into()).unwrap();
client.miner().set_engine_signer(v1.clone(), "1".into()).unwrap();
// Propose
let proposal = Some(client.miner().pending_block().unwrap().header.bare_hash());
// Propose timeout
engine.step();
let h = 1;
let r = 0;
// Register IoHandler remembers messages.
let test_io = TestIo::new();
let channel = IoChannel::to_handler(Arc::downgrade(&(test_io.clone() as Arc<IoHandler<ClientIoMessage>>)));
engine.register_message_channel(channel);
// Propose
let (b, mut seal) = propose_default(&spec, v1.clone());
let proposal = Some(b.header().bare_hash());
engine.step();
// Prevote.
vote(&engine, |mh| tap.sign(v1, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
vote(&engine, |mh| tap.sign(v1, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
vote(&engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
vote(engine, |mh| tap.sign(v1, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
vote(engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Prevote, proposal);
vote(engine, |mh| tap.sign(v1, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
seal[2] = precommit_signatures(&tap, h, r, Some(b.header().bare_hash()), v1, v0);
let first = test_io.received.read().contains(&ClientIoMessage::SubmitSeal(proposal.unwrap(), seal.clone()));
seal[2] = precommit_signatures(&tap, h, r, Some(b.header().bare_hash()), v0, v1);
let second = test_io.received.read().contains(&ClientIoMessage::SubmitSeal(proposal.unwrap(), seal));
assert_eq!(client.chain_info().best_block_number, 0);
// Last precommit.
vote(engine, |mh| tap.sign(v0, None, mh).map(H520::from), h, r, Step::Precommit, proposal);
assert_eq!(client.chain_info().best_block_number, 1);
assert!(first ^ second);
engine.stop();
}
}

29
ethcore/src/engines/tendermint/params.rs
View File

@ -18,38 +18,22 @@
use ethjson;
use super::transition::TendermintTimeouts;
use util::{Address, Uint, U256};
use util::{U256, Uint};
use time::Duration;
/// `Tendermint` params.
#[derive(Debug, Clone)]
#[derive(Debug)]
pub struct TendermintParams {
/// Gas limit divisor.
pub gas_limit_bound_divisor: U256,
/// List of authorities.
pub authorities: Vec<Address>,
/// Number of authorities.
pub authority_n: usize,
/// List of validators.
pub validators: ethjson::spec::ValidatorSet,
/// Timeout durations for different steps.
pub timeouts: TendermintTimeouts,
/// Block reward.
pub block_reward: U256,
}
impl Default for TendermintParams {
fn default() -> Self {
let authorities = vec!["0x7d577a597b2742b498cb5cf0c26cdcd726d39e6e".into(), "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1".into()];
let val_n = authorities.len();
TendermintParams {
gas_limit_bound_divisor: 0x0400.into(),
authorities: authorities,
authority_n: val_n,
block_reward: U256::zero(),
timeouts: TendermintTimeouts::default(),
}
}
}
fn to_duration(ms: ethjson::uint::Uint) -> Duration {
let ms: usize = ms.into();
Duration::milliseconds(ms as i64)
@ -57,13 +41,10 @@ fn to_duration(ms: ethjson::uint::Uint) -> Duration {
impl From<ethjson::spec::TendermintParams> for TendermintParams {
fn from(p: ethjson::spec::TendermintParams) -> Self {
let val: Vec<_> = p.authorities.into_iter().map(Into::into).collect();
let val_n = val.len();
let dt = TendermintTimeouts::default();
TendermintParams {
gas_limit_bound_divisor: p.gas_limit_bound_divisor.into(),
authorities: val,
authority_n: val_n,
validators: p.validators,
timeouts: TendermintTimeouts {
propose: p.timeout_propose.map_or(dt.propose, to_duration),
prevote: p.timeout_prevote.map_or(dt.prevote, to_duration),

26
ethcore/src/engines/tendermint/transition.rs
View File

@ -23,7 +23,17 @@ use super::{Tendermint, Step};
use engines::Engine;
pub struct TransitionHandler {
pub engine: Weak<Tendermint>,
engine: Weak<Tendermint>,
timeouts: TendermintTimeouts,
}
impl TransitionHandler {
pub fn new(engine: Weak<Tendermint>, timeouts: TendermintTimeouts) -> Self {
TransitionHandler {
engine: engine,
timeouts: timeouts,
}
}
}
/// Base timeout of each step in ms.
@ -67,9 +77,7 @@ fn set_timeout(io: &IoContext<Step>, timeout: Duration) {
impl IoHandler<Step> for TransitionHandler {
fn initialize(&self, io: &IoContext<Step>) {
if let Some(engine) = self.engine.upgrade() {
set_timeout(io, engine.our_params.timeouts.propose)
}
set_timeout(io, self.timeouts.propose)
}
fn timeout(&self, _io: &IoContext<Step>, timer: TimerToken) {
@ -81,16 +89,14 @@ impl IoHandler<Step> for TransitionHandler {
}
fn message(&self, io: &IoContext<Step>, next_step: &Step) {
if let Some(engine) = self.engine.upgrade() {
if let Err(io_err) = io.clear_timer(ENGINE_TIMEOUT_TOKEN) {
warn!(target: "poa", "Could not remove consensus timer {}.", io_err)
}
match *next_step {
Step::Propose => set_timeout(io, engine.our_params.timeouts.propose),
Step::Prevote => set_timeout(io, engine.our_params.timeouts.prevote),
Step::Precommit => set_timeout(io, engine.our_params.timeouts.precommit),
Step::Commit => set_timeout(io, engine.our_params.timeouts.commit),
Step::Propose => set_timeout(io, self.timeouts.propose),
Step::Prevote => set_timeout(io, self.timeouts.prevote),
Step::Precommit => set_timeout(io, self.timeouts.precommit),
Step::Commit => set_timeout(io, self.timeouts.commit),
};
}
}
}

218
ethcore/src/engines/validator_set/contract.rs Normal file
View File

@ -0,0 +1,218 @@
// Copyright 2015, 2016 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/>.
/// Validator set maintained in a contract.
use std::sync::Weak;
use util::*;
use client::{Client, BlockChainClient};
use client::chain_notify::ChainNotify;
use super::ValidatorSet;
use super::simple_list::SimpleList;
/// The validator contract should have the following interface:
/// [{"constant":true,"inputs":[],"name":"getValidators","outputs":[{"name":"","type":"address[]"}],"payable":false,"type":"function"}]
pub struct ValidatorContract {
address: Address,
validators: RwLock<SimpleList>,
provider: RwLock<Option<provider::Contract>>,
}
impl ValidatorContract {
pub fn new(contract_address: Address) -> Self {
ValidatorContract {
address: contract_address,
validators: Default::default(),
provider: RwLock::new(None),
}
}
/// Queries the state and updates the set of validators.
pub fn update(&self) {
if let Some(ref provider) = *self.provider.read() {
match provider.get_validators() {
Ok(new) => {
debug!(target: "engine", "Set of validators obtained: {:?}", new);
*self.validators.write() = SimpleList::new(new);
},
Err(s) => warn!(target: "engine", "Set of validators could not be updated: {}", s),
}
} else {
warn!(target: "engine", "Set of validators could not be updated: no provider contract.")
}
}
}
/// Checks validators on every block.
impl ChainNotify for ValidatorContract {
fn new_blocks(
&self,
_imported: Vec<H256>,
_: Vec<H256>,
_: Vec<H256>,
_: Vec<H256>,
_: Vec<H256>,
_: Vec<Bytes>,
_duration: u64) {
self.update();
}
}
impl ValidatorSet for Arc<ValidatorContract> {
fn contains(&self, address: &Address) -> bool {
self.validators.read().contains(address)
}
fn get(&self, nonce: usize) -> Address {
self.validators.read().get(nonce).clone()
}
fn count(&self) -> usize {
self.validators.read().count()
}
fn register_call_contract(&self, client: Weak<Client>) {
if let Some(c) = client.upgrade() {
c.add_notify(self.clone());
}
{
*self.provider.write() = Some(provider::Contract::new(self.address, move |a, d| client.upgrade().ok_or("No client!".into()).and_then(|c| c.call_contract(a, d))));
}
self.update();
}
}
mod provider {
// Autogenerated from JSON contract definition using Rust contract convertor.
#![allow(unused_imports)]
use std::string::String;
use std::result::Result;
use std::fmt;
use {util, ethabi};
use util::{FixedHash, Uint};
pub struct Contract {
contract: ethabi::Contract,
address: util::Address,
do_call: Box<Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send + Sync + 'static>,
}
impl Contract {
pub fn new<F>(address: util::Address, do_call: F) -> Self where F: Fn(util::Address, Vec<u8>) -> Result<Vec<u8>, String> + Send + Sync + 'static {
Contract {
contract: ethabi::Contract::new(ethabi::Interface::load(b"[{\"constant\":true,\"inputs\":[],\"name\":\"getValidators\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"type\":\"function\"}]").expect("JSON is autogenerated; qed")),
address: address,
do_call: Box::new(do_call),
}
}
fn as_string<T: fmt::Debug>(e: T) -> String { format!("{:?}", e) }
/// Auto-generated from: `{"constant":true,"inputs":[],"name":"getValidators","outputs":[{"name":"","type":"address[]"}],"payable":false,"type":"function"}`
#[allow(dead_code)]
pub fn get_validators(&self) -> Result<Vec<util::Address>, String> {
let call = self.contract.function("getValidators".into()).map_err(Self::as_string)?;
let data = call.encode_call(
vec![]
).map_err(Self::as_string)?;
let output = call.decode_output((self.do_call)(self.address.clone(), data)?).map_err(Self::as_string)?;
let mut result = output.into_iter().rev().collect::<Vec<_>>();
Ok(({ let r = result.pop().ok_or("Invalid return arity")?; let r = r.to_array().and_then(|v| v.into_iter().map(|a| a.to_address()).collect::<Option<Vec<[u8; 20]>>>()).ok_or("Invalid type returned")?; r.into_iter().map(|a| util::Address::from(a)).collect::<Vec<_>>() }))
}
}
}
#[cfg(test)]
mod tests {
use util::*;
use spec::Spec;
use account_provider::AccountProvider;
use transaction::{Transaction, Action};
use client::{BlockChainClient, EngineClient};
use miner::MinerService;
use tests::helpers::generate_dummy_client_with_spec_and_data;
use super::super::ValidatorSet;
use super::ValidatorContract;
#[test]
fn fetches_validators() {
let client = generate_dummy_client_with_spec_and_data(Spec::new_validator_contract, 0, 0, &[]);
let vc = Arc::new(ValidatorContract::new(Address::from_str("0000000000000000000000000000000000000005").unwrap()));
vc.register_call_contract(Arc::downgrade(&client));
vc.update();
assert!(vc.contains(&Address::from_str("7d577a597b2742b498cb5cf0c26cdcd726d39e6e").unwrap()));
assert!(vc.contains(&Address::from_str("82a978b3f5962a5b0957d9ee9eef472ee55b42f1").unwrap()));
}
#[test]
fn changes_validators() {
let tap = Arc::new(AccountProvider::transient_provider());
let v0 = tap.insert_account("1".sha3(), "").unwrap();
let v1 = tap.insert_account("0".sha3(), "").unwrap();
let spec_factory = || {
let spec = Spec::new_validator_contract();
spec.engine.register_account_provider(tap.clone());
spec
};
let client = generate_dummy_client_with_spec_and_data(spec_factory, 0, 0, &[]);
client.engine().register_client(Arc::downgrade(&client));
let validator_contract = Address::from_str("0000000000000000000000000000000000000005").unwrap();
client.miner().set_engine_signer(v1, "".into()).unwrap();
// Remove "1" validator.
let tx = Transaction {
nonce: 0.into(),
gas_price: 0.into(),
gas: 500_000.into(),
action: Action::Call(validator_contract),
value: 0.into(),
data: "f94e18670000000000000000000000000000000000000000000000000000000000000001".from_hex().unwrap(),
}.sign(&"1".sha3(), None);
client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
client.update_sealing();
assert_eq!(client.chain_info().best_block_number, 1);
// Add "1" validator back in.
let tx = Transaction {
nonce: 1.into(),
gas_price: 0.into(),
gas: 500_000.into(),
action: Action::Call(validator_contract),
value: 0.into(),
data: "4d238c8e00000000000000000000000082a978b3f5962a5b0957d9ee9eef472ee55b42f1".from_hex().unwrap(),
}.sign(&"1".sha3(), None);
client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
client.update_sealing();
// The transaction is not yet included so still unable to seal.
assert_eq!(client.chain_info().best_block_number, 1);
// Switch to the validator that is still there.
client.miner().set_engine_signer(v0, "".into()).unwrap();
client.update_sealing();
assert_eq!(client.chain_info().best_block_number, 2);
// Switch back to the added validator, since the state is updated.
client.miner().set_engine_signer(v1, "".into()).unwrap();
let tx = Transaction {
nonce: 2.into(),
gas_price: 0.into(),
gas: 21000.into(),
action: Action::Call(Address::default()),
value: 0.into(),
data: Vec::new(),
}.sign(&"1".sha3(), None);
client.miner().import_own_transaction(client.as_ref(), tx.into()).unwrap();
client.update_sealing();
// Able to seal again.
assert_eq!(client.chain_info().best_block_number, 3);
}
}

46
ethcore/src/engines/validator_set/mod.rs Normal file
View File

@ -0,0 +1,46 @@
// Copyright 2015, 2016 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/>.
/// Validator lists.
mod simple_list;
mod contract;
use std::sync::Weak;
use util::{Address, Arc};
use ethjson::spec::ValidatorSet as ValidatorSpec;
use client::Client;
use self::simple_list::SimpleList;
use self::contract::ValidatorContract;
/// Creates a validator set from spec.
pub fn new_validator_set(spec: ValidatorSpec) -> Box<ValidatorSet + Send + Sync> {
match spec {
ValidatorSpec::List(list) => Box::new(SimpleList::new(list.into_iter().map(Into::into).collect())),
ValidatorSpec::Contract(address) => Box::new(Arc::new(ValidatorContract::new(address.into()))),
}
}
pub trait ValidatorSet {
/// Checks if a given address is a validator.
fn contains(&self, address: &Address) -> bool;
/// Draws an validator nonce modulo number of validators.
fn get(&self, nonce: usize) -> Address;
/// Returns the current number of validators.
fn count(&self) -> usize;
/// Allows blockchain state access.
fn register_call_contract(&self, _client: Weak<Client>) {}
}

68
ethcore/src/engines/validator_set/simple_list.rs Normal file
View File

@ -0,0 +1,68 @@
// Copyright 2015, 2016 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/>.
/// Preconfigured validator list.
use util::Address;
use super::ValidatorSet;
#[derive(Debug, PartialEq, Eq, Default)]
pub struct SimpleList {
validators: Vec<Address>,
validator_n: usize,
}
impl SimpleList {
pub fn new(validators: Vec<Address>) -> Self {
SimpleList {
validator_n: validators.len(),
validators: validators,
}
}
}
impl ValidatorSet for SimpleList {
fn contains(&self, address: &Address) -> bool {
self.validators.contains(address)
}
fn get(&self, nonce: usize) -> Address {
self.validators.get(nonce % self.validator_n).expect("There are validator_n authorities; taking number modulo validator_n gives number in validator_n range; qed").clone()
}
fn count(&self) -> usize {
self.validator_n
}
}
#[cfg(test)]
mod tests {
use std::str::FromStr;
use util::Address;
use super::super::ValidatorSet;
use super::SimpleList;
#[test]
fn simple_list() {
let a1 = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
let a2 = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
let list = SimpleList::new(vec![a1.clone(), a2.clone()]);
assert!(list.contains(&a1));
assert_eq!(list.get(0), a1);
assert_eq!(list.get(1), a2);
assert_eq!(list.get(2), a1);
}
}

8
ethcore/src/miner/miner.rs
View File

@ -764,9 +764,17 @@ impl MinerService for Miner {
if let Some(ref ap) = self.accounts {
ap.sign(address.clone(), Some(password.clone()), Default::default())?;
}
// Limit the scope of the locks.
{
let mut sealing_work = self.sealing_work.lock();
sealing_work.enabled = self.engine.is_sealer(&address).unwrap_or(false);
*self.author.write() = address;
}
// --------------------------------------------------------------------------
// | NOTE Code below may require author and sealing_work locks |
// | (some `Engine`s call `EngineClient.update_sealing()`) |.
// | Make sure to release the locks before calling that method. |
// --------------------------------------------------------------------------
self.engine.set_signer(address, password);
}
Ok(())

13
ethcore/src/service.rs
View File

@ -20,7 +20,7 @@ use util::*;
use io::*;
use spec::Spec;
use error::*;
use client::{Client, BlockChainClient, MiningBlockChainClient, ClientConfig, ChainNotify};
use client::{Client, ClientConfig, ChainNotify};
use miner::Miner;
use snapshot::ManifestData;
use snapshot::service::{Service as SnapshotService, ServiceParams as SnapServiceParams};
@ -46,12 +46,6 @@ pub enum ClientIoMessage {
FeedBlockChunk(H256, Bytes),
/// Take a snapshot for the block with given number.
TakeSnapshot(u64),
/// Trigger sealing update (useful for internal sealing).
UpdateSealing,
/// Submit seal (useful for internal sealing).
SubmitSeal(H256, Vec<Bytes>),
/// Broadcast a message to the network.
BroadcastMessage(Bytes),
/// New consensus message received.
NewMessage(Bytes)
}
@ -114,7 +108,7 @@ impl ClientService {
});
io_service.register_handler(client_io)?;
spec.engine.register_message_channel(io_service.channel());
spec.engine.register_client(Arc::downgrade(&client));
let stop_guard = ::devtools::StopGuard::new();
run_ipc(ipc_path, client.clone(), snapshot.clone(), stop_guard.share());
@ -221,9 +215,6 @@ impl IoHandler<ClientIoMessage> for ClientIoHandler {
debug!(target: "snapshot", "Failed to initialize periodic snapshot thread: {:?}", e);
}
},
ClientIoMessage::UpdateSealing => self.client.update_sealing(),
ClientIoMessage::SubmitSeal(ref hash, ref seal) => self.client.submit_seal(*hash, seal.clone()),
ClientIoMessage::BroadcastMessage(ref message) => self.client.broadcast_consensus_message(message.clone()),
ClientIoMessage::NewMessage(ref message) => if let Err(e) = self.client.engine().handle_message(message) {
trace!(target: "poa", "Invalid message received: {}", e);
},

7
ethcore/src/spec/spec.rs
View File

@ -337,9 +337,14 @@ impl Spec {
pub fn new_instant() -> Spec { load_bundled!("instant_seal") }
/// Create a new Spec with AuthorityRound consensus which does internal sealing (not requiring work).
/// Accounts with secrets "0".sha3() and "1".sha3() are the authorities.
/// Accounts with secrets "0".sha3() and "1".sha3() are the validators.
pub fn new_test_round() -> Self { load_bundled!("authority_round") }
/// Create a new Spec with BasicAuthority which uses a contract at address 5 to determine the current validators.
/// Accounts with secrets "0".sha3() and "1".sha3() are initially the validators.
/// Second validator can be removed with "0xf94e18670000000000000000000000000000000000000000000000000000000000000001" and added back in using "0x4d238c8e00000000000000000000000082a978b3f5962a5b0957d9ee9eef472ee55b42f1".
pub fn new_validator_contract() -> Self { load_bundled!("validator_contract") }
/// Create a new Spec with Tendermint consensus which does internal sealing (not requiring work).
/// Account "0".sha3() and "1".sha3() are a authorities.
pub fn new_test_tendermint() -> Self { load_bundled!("tendermint") }

8
json/src/spec/authority_round.rs
View File

@ -17,7 +17,7 @@
//! Authority params deserialization.
use uint::Uint;
use hash::Address;
use super::ValidatorSet;
/// Authority params deserialization.
#[derive(Debug, PartialEq, Deserialize)]
@ -29,7 +29,7 @@ pub struct AuthorityRoundParams {
#[serde(rename="stepDuration")]
pub step_duration: Uint,
/// Valid authorities
pub authorities: Vec<Address>,
pub validators: ValidatorSet,
/// Block reward.
#[serde(rename="blockReward")]
pub block_reward: Option<Uint>,
@ -57,7 +57,9 @@ mod tests {
"params": {
"gasLimitBoundDivisor": "0x0400",
"stepDuration": "0x02",
"authorities" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"],
"validators": {
"list" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
},
"blockReward": "0x50",
"startStep" : 24
}

8
json/src/spec/basic_authority.rs
View File

@ -17,7 +17,7 @@
//! Authority params deserialization.
use uint::Uint;
use hash::Address;
use super::ValidatorSet;
/// Authority params deserialization.
#[derive(Debug, PartialEq, Deserialize)]
@ -29,7 +29,7 @@ pub struct BasicAuthorityParams {
#[serde(rename="durationLimit")]
pub duration_limit: Uint,
/// Valid authorities
pub authorities: Vec<Address>,
pub validators: ValidatorSet,
}
/// Authority engine deserialization.
@ -50,7 +50,9 @@ mod tests {
"params": {
"gasLimitBoundDivisor": "0x0400",
"durationLimit": "0x0d",
"authorities" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
"validators" : {
"list": ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
}
}
}"#;

5
json/src/spec/engine.rs
View File

@ -16,10 +16,7 @@
//! Engine deserialization.
use spec::Ethash;
use spec::BasicAuthority;
use spec::AuthorityRound;
use spec::Tendermint;
use super::{Ethash, BasicAuthority, AuthorityRound, Tendermint};
/// Engine deserialization.
#[derive(Debug, PartialEq, Deserialize)]

2
json/src/spec/mod.rs
View File

@ -25,6 +25,7 @@ pub mod seal;
pub mod engine;
pub mod state;
pub mod ethash;
pub mod validator_set;
pub mod basic_authority;
pub mod authority_round;
pub mod tendermint;
@ -38,6 +39,7 @@ pub use self::seal::{Seal, Ethereum, AuthorityRoundSeal, TendermintSeal};
pub use self::engine::Engine;
pub use self::state::State;
pub use self::ethash::{Ethash, EthashParams};
pub use self::validator_set::ValidatorSet;
pub use self::basic_authority::{BasicAuthority, BasicAuthorityParams};
pub use self::authority_round::{AuthorityRound, AuthorityRoundParams};
pub use self::tendermint::{Tendermint, TendermintParams};

12
json/src/spec/tendermint.rs
View File

@ -17,7 +17,7 @@
//! Tendermint params deserialization.
use uint::Uint;
use hash::Address;
use super::ValidatorSet;
/// Tendermint params deserialization.
#[derive(Debug, PartialEq, Deserialize)]
@ -25,8 +25,8 @@ pub struct TendermintParams {
/// Gas limit divisor.
#[serde(rename="gasLimitBoundDivisor")]
pub gas_limit_bound_divisor: Uint,
/// Valid authorities
pub authorities: Vec<Address>,
/// Valid validators.
pub validators: ValidatorSet,
/// Propose step timeout in milliseconds.
#[serde(rename="timeoutPropose")]
pub timeout_propose: Option<Uint>,
@ -60,8 +60,10 @@ mod tests {
fn tendermint_deserialization() {
let s = r#"{
"params": {
"gasLimitBoundDivisor": "0x400",
"authorities" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"],
"gasLimitBoundDivisor": "0x0400",
"validators": {
"list": ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
},
"blockReward": "0x50"
}
}"#;

47
json/src/spec/validator_set.rs Normal file
View File

@ -0,0 +1,47 @@
// Copyright 2015, 2016 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/>.
//! Validator set deserialization.
use hash::Address;
/// Different ways of specifying validators.
#[derive(Debug, PartialEq, Deserialize)]
pub enum ValidatorSet {
/// A simple list of authorities.
#[serde(rename="list")]
List(Vec<Address>),
/// Address of a contract that indicates the list of authorities.
#[serde(rename="contract")]
Contract(Address),
}
#[cfg(test)]
mod tests {
use serde_json;
use spec::validator_set::ValidatorSet;
#[test]
fn validator_set_deserialization() {
let s = r#"[{
"list" : ["0xc6d9d2cd449a754c494264e1809c50e34d64562b"]
}, {
"contract" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b"
}]"#;
let _deserialized: Vec<ValidatorSet> = serde_json::from_str(s).unwrap();
}
}

21
scripts/contractABI.js
View File

File diff suppressed because one or more lines are too long

13
sync/src/tests/consensus.rs
View File

@ -16,7 +16,7 @@
use util::*;
use io::{IoHandler, IoContext, IoChannel};
use ethcore::client::{BlockChainClient, Client, MiningBlockChainClient};
use ethcore::client::{BlockChainClient, Client};
use ethcore::service::ClientIoMessage;
use ethcore::spec::Spec;
use ethcore::miner::MinerService;
@ -33,9 +33,6 @@ struct TestIoHandler {
impl IoHandler<ClientIoMessage> for TestIoHandler {
fn message(&self, _io: &IoContext<ClientIoMessage>, net_message: &ClientIoMessage) {
match *net_message {
ClientIoMessage::UpdateSealing => self.client.update_sealing(),
ClientIoMessage::SubmitSeal(ref hash, ref seal) => self.client.submit_seal(*hash, seal.clone()),
ClientIoMessage::BroadcastMessage(ref message) => self.client.broadcast_consensus_message(message.clone()),
ClientIoMessage::NewMessage(ref message) => if let Err(e) = self.client.engine().handle_message(message) {
panic!("Invalid message received: {}", e);
},
@ -75,8 +72,8 @@ fn authority_round() {
// Push transaction to both clients. Only one of them gets lucky to produce a block.
net.peer(0).chain.miner().set_engine_signer(s0.address(), "".to_owned()).unwrap();
net.peer(1).chain.miner().set_engine_signer(s1.address(), "".to_owned()).unwrap();
net.peer(0).chain.engine().register_message_channel(IoChannel::to_handler(Arc::downgrade(&io_handler0)));
net.peer(1).chain.engine().register_message_channel(IoChannel::to_handler(Arc::downgrade(&io_handler1)));
net.peer(0).chain.engine().register_client(Arc::downgrade(&net.peer(0).chain));
net.peer(1).chain.engine().register_client(Arc::downgrade(&net.peer(1).chain));
net.peer(0).chain.set_io_channel(IoChannel::to_handler(Arc::downgrade(&io_handler1)));
net.peer(1).chain.set_io_channel(IoChannel::to_handler(Arc::downgrade(&io_handler0)));
// exchange statuses
@ -140,8 +137,8 @@ fn tendermint() {
trace!(target: "poa", "Peer 0 is {}.", s0.address());
net.peer(1).chain.miner().set_engine_signer(s1.address(), "".to_owned()).unwrap();
trace!(target: "poa", "Peer 1 is {}.", s1.address());
net.peer(0).chain.engine().register_message_channel(IoChannel::to_handler(Arc::downgrade(&io_handler0)));
net.peer(1).chain.engine().register_message_channel(IoChannel::to_handler(Arc::downgrade(&io_handler1)));
net.peer(0).chain.engine().register_client(Arc::downgrade(&net.peer(0).chain));
net.peer(1).chain.engine().register_client(Arc::downgrade(&net.peer(1).chain));
net.peer(0).chain.set_io_channel(IoChannel::to_handler(Arc::downgrade(&io_handler0)));
net.peer(1).chain.set_io_channel(IoChannel::to_handler(Arc::downgrade(&io_handler1)));
// Exhange statuses

2
util/io/src/service.rs
View File

@ -391,7 +391,7 @@ impl<Message> IoChannel<Message> where Message: Send + Clone + Sync + 'static {
}
Ok(())
}
/// Create a new channel to connected to event loop.
/// Create a new channel disconnected from an event loop.
pub fn disconnected() -> IoChannel<Message> {
IoChannel {
channel: None,