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typos, header functions

This commit is contained in:
keorn 2016-11-14 15:56:19 +00:00
parent 5de7d50bf8
commit 1e3ae9fff9
2 changed files with 12 additions and 15 deletions
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23
ethcore/src/engines/authority_round.rs
View File

@ -72,16 +72,13 @@ pub struct AuthorityRound {
proposed: AtomicBool,
}
impl Header {
fn step(&self) -> Result<usize, ::rlp::DecoderError> {
UntrustedRlp::new(&self.seal()[0]).as_val()
}
fn signature(&self) -> Result<Signature, ::rlp::DecoderError> {
UntrustedRlp::new(&self.seal()[1]).as_val::<H520>().map(Into::into)
}
fn step(header: &Header) -> Result<usize, ::rlp::DecoderError> {
UntrustedRlp::new(&self.seal()[0]).as_val()
}
fn signature(header: &Header) -> Result<Signature, ::rlp::DecoderError> {
UntrustedRlp::new(&self.seal()[1]).as_val::<H520>().map(Into::into)
}
trait AsMillis {
fn as_millis(&self) -> u64;
@ -128,7 +125,7 @@ impl AuthorityRound {
fn step_proposer(&self, step: usize) -> &Address {
let ref p = self.our_params;
p.authorities.get(step%p.authority_n).unwrap()
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 is_step_proposer(&self, step: usize, address: &Address) -> bool {
@ -250,10 +247,10 @@ impl Engine for AuthorityRound {
/// Check if the signature belongs to the correct proposer.
fn verify_block_unordered(&self, header: &Header, _block: Option<&[u8]>) -> Result<(), Error> {
let header_step = try!(header.step());
let header_step = try!(step(header));
// Give one step slack if step is lagging, double vote is still not possible.
if header_step <= self.step() + 1 {
let ok_sig = try!(verify_address(self.step_proposer(header_step), &try!(header.signature()), &header.bare_hash()));
let ok_sig = try!(verify_address(self.step_proposer(header_step), &try!(signature(header)), &header.bare_hash()));
if ok_sig {
Ok(())
} else {
@ -272,9 +269,9 @@ impl Engine for AuthorityRound {
return Err(From::from(BlockError::RidiculousNumber(OutOfBounds { min: Some(1), max: None, found: header.number() })));
}
let step = try!(header.step());
let step = try!(step(header));
// Check if parent is from a previous step.
if step == try!(parent.step()) {
if step == try!(step(parent)) {
trace!(target: "poa", "Multiple blocks proposed for step {}.", step);
try!(Err(BlockError::DoubleVote(header.author().clone())));
}

4
ethcore/src/error.rs
View File

@ -168,7 +168,7 @@ pub enum BlockError {
/// Uncle parent given is unknown.
UnknownUncleParent(H256),
/// The same author issued different votes at the same step.
DoubleVote(H160)
DoubleVote(H160),
}
impl fmt::Display for BlockError {
@ -202,7 +202,7 @@ impl fmt::Display for BlockError {
RidiculousNumber(ref oob) => format!("Implausible block number. {}", oob),
UnknownParent(ref hash) => format!("Unknown parent: {}", hash),
UnknownUncleParent(ref hash) => format!("Unknown uncle parent: {}", hash),
DoubleVote(ref address) => format!("Author {} issued to many blocks.", address),
DoubleVote(ref address) => format!("Author {} issued too many blocks.", address),
};
f.write_fmt(format_args!("Block error ({})", msg))