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vote on message generation

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This commit is contained in:
keorn 2016-12-01 20:50:24 +00:00
parent f1ef4a4935
commit 39ea703c69
3 changed files with 46 additions and 31 deletions
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7
ethcore/src/engines/authority_round.rs
View File

@ -28,6 +28,8 @@ use spec::CommonParams;
use engines::{Engine, EngineError};
use header::Header;
use error::{Error, BlockError};
use blockchain::extras::BlockDetails;
use views::HeaderView;
use evm::Schedule;
use ethjson;
use io::{IoContext, IoHandler, TimerToken, IoService, IoChannel};
@ -196,7 +198,6 @@ impl Engine for AuthorityRound {
}
fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, _gas_ceil_target: U256) {
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;
@ -308,6 +309,10 @@ impl Engine for AuthorityRound {
t.sender().map(|_|()) // Perform EC recovery and cache sender
}
fn is_new_best_block(&self, _best_total_difficulty: U256, best_header: HeaderView, _parent_details: &BlockDetails, new_header: &HeaderView) -> bool {
new_header.number() > best_header.number()
}
fn register_message_channel(&self, message_channel: IoChannel<ClientIoMessage>) {
*self.message_channel.lock() = Some(message_channel);
}

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

@ -39,6 +39,16 @@ fn consensus_round(header: &Header) -> Result<Round, ::rlp::DecoderError> {
}
impl ConsensusMessage {
pub fn new(signature: H520, height: Height, round: Round, step: Step, block_hash: Option<BlockHash>) -> Self {
ConsensusMessage {
signature: signature,
height: height,
round: round,
step: step,
block_hash: block_hash
}
}
pub fn new_proposal(header: &Header) -> Result<Self, ::rlp::DecoderError> {
Ok(ConsensusMessage {
signature: try!(UntrustedRlp::new(header.seal()[1].as_slice()).as_val()),
@ -156,7 +166,7 @@ impl Encodable for ConsensusMessage {
pub fn message_info_rlp(height: Height, round: Round, step: Step, block_hash: Option<BlockHash>) -> Bytes {
// TODO: figure out whats wrong with nested list encoding
let mut s = RlpStream::new_list(5);
s.append(&height).append(&round).append(&step).append(&block_hash.unwrap_or(H256::zero()));
s.append(&height).append(&round).append(&step).append(&block_hash.unwrap_or_else(H256::zero));
s.out()
}
@ -165,13 +175,10 @@ pub fn message_info_rlp_from_header(header: &Header) -> Result<Bytes, ::rlp::Dec
Ok(message_info_rlp(header.number() as Height, round, Step::Precommit, Some(header.bare_hash())))
}
pub fn message_full_rlp<F>(signer: F, height: Height, round: Round, step: Step, block_hash: Option<BlockHash>) -> Result<Bytes, ::account_provider::Error> where F: FnOnce(H256) -> Result<H520, ::account_provider::Error> {
let vote_info = message_info_rlp(height, round, step, block_hash);
signer(vote_info.sha3()).map(|ref signature| {
pub fn message_full_rlp(signature: &H520, vote_info: &Bytes) -> Bytes {
let mut s = RlpStream::new_list(2);
s.append(signature).append_raw(&vote_info, 1);
s.append(signature).append_raw(vote_info, 1);
s.out()
})
}
#[cfg(test)]
@ -214,13 +221,9 @@ mod tests {
let addr = tap.insert_account("0".sha3(), "0").unwrap();
tap.unlock_account_permanently(addr, "0".into()).unwrap();
let raw_rlp = message_full_rlp(
|mh| tap.sign(addr, None, mh).map(H520::from),
123,
2,
Step::Precommit,
Some(H256::default())
).unwrap();
let mi = message_info_rlp(123, 2, Step::Precommit, Some(H256::default()));
let raw_rlp = message_full_rlp(&tap.sign(addr, None, mi.sha3()).unwrap().into(), &mi);
let rlp = UntrustedRlp::new(&raw_rlp);
let message: ConsensusMessage = rlp.as_val().unwrap();

31
ethcore/src/engines/tendermint/mod.rs
View File

@ -134,7 +134,6 @@ impl Tendermint {
fn broadcast_message(&self, message: Bytes) {
if let Some(ref channel) = *self.message_channel.lock() {
trace!(target: "poa", "broadcast_message: {:?}", &message);
match channel.send(ClientIoMessage::BroadcastMessage(message)) {
Ok(_) => trace!(target: "poa", "broadcast_message: BroadcastMessage message sent."),
Err(err) => warn!(target: "poa", "broadcast_message: Could not send a sealing message {}.", err),
@ -146,14 +145,17 @@ impl Tendermint {
fn generate_message(&self, block_hash: Option<BlockHash>) -> Option<Bytes> {
if let Some(ref ap) = *self.account_provider.lock() {
match message_full_rlp(
|mh| ap.sign(*self.authority.read(), self.password.read().clone(), mh).map(H520::from),
self.height.load(AtomicOrdering::SeqCst),
self.round.load(AtomicOrdering::SeqCst),
*self.step.read(),
block_hash
) {
Ok(m) => Some(m),
let h = self.height.load(AtomicOrdering::SeqCst);
let r = self.round.load(AtomicOrdering::SeqCst);
let s = self.step.read();
let vote_info = message_info_rlp(h, r, *s, block_hash);
let authority = self.authority.read();
match ap.sign(*authority, self.password.read().clone(), vote_info.sha3()).map(Into::into) {
Ok(signature) => {
let message_rlp = message_full_rlp(&signature, &vote_info);
self.votes.vote(ConsensusMessage::new(signature, h, r, *s, block_hash), *authority);
Some(message_rlp)
},
Err(e) => {
trace!(target: "poa", "generate_message: Could not sign the message {}", e);
None
@ -309,7 +311,6 @@ impl Engine for Tendermint {
}
fn populate_from_parent(&self, header: &mut Header, parent: &Header, gas_floor_target: U256, _gas_ceil_target: U256) {
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;
@ -344,7 +345,7 @@ impl Engine for Tendermint {
let vote_info = message_info_rlp(height, round, Step::Propose, bh);
if let Ok(signature) = ap.sign(*author, self.password.read().clone(), vote_info.sha3()).map(H520::from) {
// Insert Propose vote.
self.votes.vote(ConsensusMessage { signature: signature, height: height, round: round, step: Step::Propose, block_hash: bh }, *author);
self.votes.vote(ConsensusMessage::new(signature, height, round, Step::Propose, bh), *author);
// Remember proposal for later seal submission.
*self.proposal.write() = Some(header.bare_hash());
Some(vec![
@ -489,10 +490,15 @@ impl Engine for Tendermint {
}
fn is_new_best_block(&self, _best_total_difficulty: U256, best_header: HeaderView, _parent_details: &BlockDetails, new_header: &HeaderView) -> bool {
trace!(target: "poa", "new_header: {}, best_header: {}", new_header.number(), best_header.number());
if new_header.number() > best_header.number() {
true
} else {
let new_signatures = new_header.seal().get(2).expect("Tendermint seal should have three elements.").len();
let best_signatures = best_header.seal().get(2).expect("Tendermint seal should have three elements.").len();
new_signatures > best_signatures
}
}
fn register_message_channel(&self, message_channel: IoChannel<ClientIoMessage>) {
trace!(target: "poa", "register_message_channel: Register the IoChannel.");
@ -544,7 +550,8 @@ mod tests {
}
fn vote<F>(engine: &Arc<Engine>, signer: F, height: usize, round: usize, step: Step, block_hash: Option<H256>) where F: FnOnce(H256) -> Result<H520, ::account_provider::Error> {
let m = message_full_rlp(signer, height, round, step, block_hash).unwrap();
let mi = message_info_rlp(height, round, step, block_hash);
let m = message_full_rlp(&signer(mi.sha3()).unwrap().into(), &mi);
engine.handle_message(UntrustedRlp::new(&m)).unwrap();
}