grassrootseconomics/openethereum
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unordered verification

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This commit is contained in:
Nikolay Volf 2016-02-09 03:23:35 -08:00
parent fc0153a5a4
commit 55a29bfa86
1 changed files with 30 additions and 0 deletions
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30
ethcore/src/ethereum/ethash.rs
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@ -157,6 +157,11 @@ impl Engine for Ethash {
}
fn verify_block_unordered(&self, header: &Header, _block: Option<&[u8]>) -> result::Result<(), Error> {
if header.seal.len() != self.seal_fields() {
return Err(From::from(BlockError::InvalidSealArity(
Mismatch { expected: self.seal_fields(), found: header.seal.len() }
)));
}
let result = self.pow.compute_light(header.number as u64, &Ethash::to_ethash(header.bare_hash()), header.nonce().low_u64());
let mix = Ethash::from_ethash(result.mix_hash);
let difficulty = Ethash::boundary_to_difficulty(&Ethash::from_ethash(result.value));
@ -387,7 +392,32 @@ mod tests {
Err(Error::Block(BlockError::InvalidProofOfWork(_))) => {},
_ => { panic!("should be invalid proof of work error"); }
}
}
#[test]
fn can_do_seal_unordered_verification_fail() {
let engine = Ethash::new_test(new_morden());
let header: Header = Header::default();
let verify_result = engine.verify_block_unordered(&header, None);
match verify_result {
Err(Error::Block(BlockError::InvalidSealArity(_))) => {},
_ => { panic!("should be block seal mismatch error"); }
}
}
#[test]
fn can_do_seal256_verification_fail() {
let engine = Ethash::new_test(new_morden());
let mut header: Header = Header::default();
header.set_seal(vec![rlp::encode(&H256::zero()).to_vec(), rlp::encode(&H64::zero()).to_vec()]);
let verify_result = engine.verify_block_unordered(&header, None);
match verify_result {
Err(Error::Block(BlockError::MismatchedH256SealElement(_))) => {},
_ => { panic!("should be invalid proof of work error"); }
}
}
// TODO: difficulty test