fix error propagation
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parent
1cb3c164da
commit
77f06be7fb
@ -1,39 +0,0 @@
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{
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"name": "TestBFT",
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"engine": {
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"BFT": {
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"params": {
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"gasLimitBoundDivisor": "0x0400",
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"durationLimit": "0x0d",
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"validators" : ["0x9cce34f7ab185c7aba1b7c8140d620b4bda941d6"]
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}
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}
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},
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"params": {
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"accountStartNonce": "0x0100000",
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"maximumExtraDataSize": "0x20",
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"minGasLimit": "0x1388",
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"networkID" : "0x69"
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},
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"genesis": {
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"seal": {
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"generic": {
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"fields": 1,
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"rlp": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"
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}
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},
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"difficulty": "0x20000",
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"author": "0x0000000000000000000000000000000000000000",
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"timestamp": "0x00",
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"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"extraData": "0x",
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"gasLimit": "0x2fefd8"
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},
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"accounts": {
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"0000000000000000000000000000000000000001": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
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"0000000000000000000000000000000000000002": { "balance": "1", "nonce": "1048576", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
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"0000000000000000000000000000000000000003": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
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"0000000000000000000000000000000000000004": { "balance": "1", "nonce": "1048576", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
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"9cce34f7ab185c7aba1b7c8140d620b4bda941d6": { "balance": "1606938044258990275541962092341162602522202993782792835301376", "nonce": "1048576" }
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}
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}
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@ -1024,13 +1024,15 @@ impl BlockChainClient for Client {
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fn queue_infinity_message(&self, message: Bytes) {
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let full_rlp = UntrustedRlp::new(&message);
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let signature = full_rlp.val_at(0).unwrap_or_else(|| return);
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let message: Vec<_> = full_rlp.val_at(1).unwrap_or_else(|| return);
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let message_rlp = UntrustedRlp::new(&message);
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let pub_key = recover(&signature, &message.sha3()).unwrap_or_else(|| return);
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if let Some(new_message) = self.engine.handle_message(pub_key.sha3().into(), message_rlp)
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{
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self.notify(|notify| notify.broadcast(&new_message));
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if let Ok(signature) = full_rlp.val_at(0) {
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if let Ok(message) = full_rlp.val_at::<Vec<_>>(1) {
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let message_rlp = UntrustedRlp::new(&message);
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if let Ok(pub_key) = recover(&signature, &message.sha3()) {
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if let Ok(new_message) = self.engine.handle_message(pub_key.sha3().into(), message_rlp) {
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self.notify(|notify| notify.broadcast(&new_message));
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}
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}
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}
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}
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}
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}
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@ -38,7 +38,7 @@ use spec::Spec;
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use block_queue::BlockQueueInfo;
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use block::{OpenBlock, SealedBlock};
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use executive::Executed;
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use error::CallError;
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use error::{Error, CallError};
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use trace::LocalizedTrace;
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/// Test client.
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@ -183,7 +183,7 @@ pub trait BlockChainClient : Sync + Send {
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fn queue_transactions(&self, transactions: Vec<Bytes>);
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/// Queue packet
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fn queue_infinity_message(&self, packet: Bytes);
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fn queue_infinity_message(&self, message: Bytes);
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/// list all transactions
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fn pending_transactions(&self) -> Vec<SignedTransaction>;
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@ -27,8 +27,8 @@ pub use self::null_engine::NullEngine;
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pub use self::instant_seal::InstantSeal;
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pub use self::basic_authority::BasicAuthority;
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pub use self::tendermint::Tendermint;
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pub use self::signed_vote::{SignedVote, VoteError};
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pub use self::propose_collect::{ProposeCollect};
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pub use self::signed_vote::SignedVote;
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pub use self::propose_collect::ProposeCollect;
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use common::{HashMap, SemanticVersion, Header, EnvInfo, Address, Builtin, BTreeMap, U256, Bytes, SignedTransaction, Error, UntrustedRlp};
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use account_provider::AccountProvider;
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@ -36,6 +36,19 @@ use block::ExecutedBlock;
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use spec::CommonParams;
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use evm::Schedule;
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/// Voting errors.
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#[derive(Debug)]
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pub enum EngineError {
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/// Voter is not in the voters set.
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UnauthorisedVoter,
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/// Message pertaining incorrect consensus step.
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WrongStep,
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/// Message pertaining unknown consensus step.
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UnknownStep,
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/// Message was not expected.
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UnexpectedMessage
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}
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/// A consensus mechanism for the chain. Generally either proof-of-work or proof-of-stake-based.
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/// Provides hooks into each of the major parts of block import.
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pub trait Engine : Sync + Send {
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@ -121,7 +134,7 @@ pub trait Engine : Sync + Send {
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/// Handle any potential consensus messages;
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/// updating consensus state and potentially issuing a new one.
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fn handle_message(&self, sender: Address, message: UntrustedRlp) -> Option<Bytes> { None }
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fn handle_message(&self, sender: Address, message: UntrustedRlp) -> Result<Bytes, Error> { Err(EngineError::UnexpectedMessage.into()) }
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// TODO: builtin contract routing - to do this properly, it will require removing the built-in configuration-reading logic
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// from Spec into here and removing the Spec::builtins field.
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@ -18,7 +18,7 @@
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use std::sync::atomic::{AtomicBool, Ordering};
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use common::{HashSet, RwLock, H256, Signature, Address, Error, ec, Hashable};
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use engines::VoteError;
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use super::EngineError;
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/// Collect votes on a hash.
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#[derive(Debug)]
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@ -59,7 +59,7 @@ impl ProposeCollect {
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fn can_vote(&self, signature: &Signature) -> Result<(), Error> {
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let signer = Address::from(try!(ec::recover(&signature, &self.hash)).sha3());
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match self.voters.contains(&signer) {
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false => try!(Err(VoteError::UnauthorisedVoter)),
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false => try!(Err(EngineError::UnauthorisedVoter)),
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true => Ok(()),
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}
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}
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@ -16,6 +16,7 @@
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//! Voting on hashes, where each vote has to come from a set of public keys.
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use super::EngineError;
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use common::{HashSet, HashMap, RwLock, H256, Signature, Address, Error, ec, Hashable};
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/// Signed voting on hashes.
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@ -33,13 +34,6 @@ pub struct SignedVote {
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winner: RwLock<Option<H256>>
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}
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/// Voting errors.
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#[derive(Debug)]
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pub enum VoteError {
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/// Voter is not in the voters set.
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UnauthorisedVoter
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}
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impl SignedVote {
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/// Create a new instance of BFT engine
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pub fn new(voters: HashSet<Address>, threshold: usize) -> Self {
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@ -71,7 +65,7 @@ impl SignedVote {
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fn can_vote(&self, bare_hash: &H256, signature: &Signature) -> Result<(), Error> {
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let signer = Address::from(try!(ec::recover(&signature, bare_hash)).sha3());
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match self.voters.contains(&signer) {
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false => try!(Err(VoteError::UnauthorisedVoter)),
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false => try!(Err(EngineError::UnauthorisedVoter)),
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true => Ok(()),
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}
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}
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@ -20,7 +20,7 @@ use common::*;
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use account_provider::AccountProvider;
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use block::*;
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use spec::CommonParams;
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use engines::{Engine, ProposeCollect};
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use engines::{Engine, EngineError, ProposeCollect};
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use evm::Schedule;
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use ethjson;
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@ -89,22 +89,22 @@ impl Tendermint {
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p.validators.get(p.proposer_nonce%p.validator_n).unwrap().clone()
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}
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fn propose_message(&self, message: UntrustedRlp) -> Option<Bytes> {
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fn propose_message(&self, message: UntrustedRlp) -> Result<Bytes, Error> {
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match *self.our_params.s.try_read().unwrap() {
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Step::Propose => (),
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_ => return None,
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_ => try!(Err(EngineError::WrongStep)),
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}
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let proposal = message.val_at(0).unwrap_or_else(|| return None);
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let proposal = try!(message.val_at(0));
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let vote = ProposeCollect::new(proposal,
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self.our_params.validators.iter().cloned().collect(),
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self.threshold());
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let mut guard = self.our_params.s.try_write().unwrap();
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let mut guard = self.our_params.s.write();
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*guard = Step::Prevote(vote);
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Some(message.as_raw().to_vec())
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Ok(message.as_raw().to_vec())
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}
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fn prevote_message(&self, sender: Address, message: UntrustedRlp) -> Option<Bytes> {
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None
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fn prevote_message(&self, sender: Address, message: UntrustedRlp) -> Result<Bytes, Error> {
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try!(Err(EngineError::WrongStep))
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}
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fn threshold(&self) -> usize {
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@ -162,11 +162,11 @@ impl Engine for Tendermint {
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})
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}
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fn handle_message(&self, sender: Address, message: UntrustedRlp) -> Option<Bytes> {
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match message.val_at(0).unwrap_or_else(|| return None) {
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fn handle_message(&self, sender: Address, message: UntrustedRlp) -> Result<Bytes, Error> {
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match try!(message.val_at(0)) {
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0u8 if sender == self.proposer() => self.propose_message(message),
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1 => self.prevote_message(sender, message),
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_ => None,
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_ => try!(Err(EngineError::UnknownStep)),
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}
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}
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@ -224,18 +224,18 @@ mod tests {
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use spec::Spec;
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/// Create a new test chain spec with `Tendermint` consensus engine.
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fn new_test_authority() -> Spec { Spec::load(include_bytes!("../../res/bft.json")) }
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fn new_test_tendermint() -> Spec { Spec::load(include_bytes!("../../res/tendermint.json")) }
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#[test]
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fn has_valid_metadata() {
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let engine = new_test_authority().engine;
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let engine = new_test_tendermint().engine;
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assert!(!engine.name().is_empty());
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assert!(engine.version().major >= 1);
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}
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#[test]
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fn can_return_schedule() {
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let engine = new_test_authority().engine;
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let engine = new_test_tendermint().engine;
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let schedule = engine.schedule(&EnvInfo {
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number: 10000000,
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author: 0.into(),
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@ -251,7 +251,7 @@ mod tests {
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#[test]
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fn can_do_seal_verification_fail() {
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let engine = new_test_authority().engine;
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let engine = new_test_tendermint().engine;
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let header: Header = Header::default();
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let verify_result = engine.verify_block_basic(&header, None);
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@ -265,7 +265,7 @@ mod tests {
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#[test]
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fn can_do_signature_verification_fail() {
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let engine = new_test_authority().engine;
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let engine = new_test_tendermint().engine;
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let mut header: Header = Header::default();
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header.set_seal(vec![rlp::encode(&Signature::zero()).to_vec()]);
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@ -284,7 +284,7 @@ mod tests {
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let addr = tap.insert_account("".sha3(), "").unwrap();
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tap.unlock_account_permanently(addr, "".into()).unwrap();
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let spec = new_test_authority();
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let spec = new_test_tendermint();
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let engine = &*spec.engine;
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let genesis_header = spec.genesis_header();
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let mut db_result = get_temp_journal_db();
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@ -298,6 +298,15 @@ mod tests {
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assert!(b.try_seal(engine, seal).is_ok());
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}
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#[test]
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fn propose_step(){
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let engine = new_test_tendermint().engine;
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let tap = AccountProvider::transient_provider();
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let addr = tap.insert_account("1".sha3(), "1").unwrap();
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println!("{:?}", addr);
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false;
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}
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#[test]
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fn handle_message() {
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false;
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@ -24,7 +24,7 @@ use client::Error as ClientError;
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use ipc::binary::{BinaryConvertError, BinaryConvertable};
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use types::block_import_error::BlockImportError;
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use snapshot::Error as SnapshotError;
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use engines::VoteError;
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use engines::EngineError;
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pub use types::executed::{ExecutionError, CallError};
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@ -240,7 +240,7 @@ pub enum Error {
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/// Snapshot error.
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Snapshot(SnapshotError),
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/// Consensus vote error.
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Vote(VoteError),
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Engine(EngineError),
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}
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impl fmt::Display for Error {
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@ -261,7 +261,7 @@ impl fmt::Display for Error {
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Error::StdIo(ref err) => err.fmt(f),
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Error::Snappy(ref err) => err.fmt(f),
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Error::Snapshot(ref err) => err.fmt(f),
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Error::Vote(ref err) =>
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Error::Engine(ref err) =>
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f.write_fmt(format_args!("Bad vote: {:?}", err)),
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}
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}
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@ -366,10 +366,10 @@ impl From<SnapshotError> for Error {
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}
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}
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impl From<VoteError> for Error {
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fn from(err: VoteError) -> Error {
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impl From<EngineError> for Error {
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fn from(err: EngineError) -> Error {
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match err {
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other => Error::Vote(other),
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other => Error::Engine(other),
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}
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}
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}
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