grassrootseconomics/openethereum
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Mark future blocks as temporarily invalid.

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This commit is contained in:
Tomasz Drwięga
2017-12-21 15:01:05 +01:00
parent d5b81ead71
commit 7d4e4c7a62
5 changed files with 94 additions and 42 deletions
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2
ethcore/src/verification/queue/mod.rs
View File

@@ -505,7 +505,7 @@ impl<K: Kind> VerificationQueue<K> {
Err(err) => {
match err {
// Don't mark future blocks as bad.
Error::Block(BlockError::InvalidTimestamp(ref e)) if e.max.is_some() => {},
Error::Block(BlockError::TemporarilyInvalid(ref e)) if e.max.is_some() => {},
_ => {
self.verification.bad.lock().insert(h.clone());
}

29
ethcore/src/verification/verification.rs
View File

@@ -273,11 +273,20 @@ pub fn verify_header_params(header: &Header, engine: &EthEngine, is_full: bool)
}
if is_full {
let max_time = get_time().sec as u64 + 15;
if header.timestamp() > max_time {
return Err(From::from(BlockError::InvalidTimestamp(OutOfBounds { max: Some(max_time), min: None, found: header.timestamp() })))
const ACCEPTABLE_DRIFT_SECS: u64 = 15;
let max_time = get_time().sec as u64 + ACCEPTABLE_DRIFT_SECS;
let invalid_threshold = max_time + ACCEPTABLE_DRIFT_SECS * 9;
let timestamp = header.timestamp();
if timestamp > invalid_threshold {
return Err(From::from(BlockError::InvalidTimestamp(OutOfBounds { max: Some(max_time), min: None, found: timestamp })))
}
if timestamp > max_time {
return Err(From::from(BlockError::TemporarilyInvalid(OutOfBounds { max: Some(max_time), min: None, found: timestamp })))
}
}
Ok(())
}
@@ -359,11 +368,13 @@ mod tests {
}
}
fn check_fail_timestamp(result: Result<(), Error>) {
fn check_fail_timestamp(result: Result<(), Error>, temp: bool) {
let name = if temp { "TemporarilyInvalid" } else { "InvalidTimestamp" };
match result {
Err(Error::Block(BlockError::InvalidTimestamp(_))) => (),
Err(other) => panic!("Block verification failed.\nExpected: InvalidTimestamp\nGot: {:?}", other),
Ok(_) => panic!("Block verification failed.\nExpected: InvalidTimestamp\nGot: Ok"),
Err(Error::Block(BlockError::InvalidTimestamp(_))) if !temp => (),
Err(Error::Block(BlockError::TemporarilyInvalid(_))) if temp => (),
Err(other) => panic!("Block verification failed.\nExpected: {}\nGot: {:?}", name, other),
Ok(_) => panic!("Block verification failed.\nExpected: {}\nGot: Ok", name),
}
}
@@ -643,11 +654,11 @@ mod tests {
header = good.clone();
header.set_timestamp(2450000000);
check_fail_timestamp(basic_test(&create_test_block_with_data(&header, &good_transactions, &good_uncles), engine));
check_fail_timestamp(basic_test(&create_test_block_with_data(&header, &good_transactions, &good_uncles), engine), false);
header = good.clone();
header.set_timestamp(get_time().sec as u64 + 20);
check_fail_timestamp(basic_test(&create_test_block_with_data(&header, &good_transactions, &good_uncles), engine));
check_fail_timestamp(basic_test(&create_test_block_with_data(&header, &good_transactions, &good_uncles), engine), true);
header = good.clone();
header.set_timestamp(get_time().sec as u64 + 10);