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Fixing importing traces for non-canon blockS (#2683)

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This commit is contained in:
Tomasz Drwięga 2016-10-18 16:43:42 +02:00 committed by Gav Wood
parent ed804341bd
commit 4d48054cee
1 changed files with 60 additions and 10 deletions
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70
ethcore/src/trace/db.rs
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@ -275,16 +275,6 @@ impl<T> TraceDatabase for TraceDB<T> where T: DatabaseExtras {
.map(Into::into)
.collect();
// insert new block traces into the cache and the database
{
let mut traces = self.traces.write();
// it's important to use overwrite here,
// cause this value might be queried by hash later
batch.write_with_cache(db::COL_TRACE, &mut *traces, request.block_hash, request.traces, CacheUpdatePolicy::Overwrite);
// note_used must be called after locking traces to avoid cache/traces deadlock on garbage collection
self.note_used(CacheID::Trace(request.block_hash.clone()));
}
let chain = BloomGroupChain::new(self.bloom_config, self);
let trace_blooms = chain.replace(&replaced_range, enacted_blooms);
let blooms_to_insert = trace_blooms.into_iter()
@ -299,6 +289,16 @@ impl<T> TraceDatabase for TraceDB<T> where T: DatabaseExtras {
self.note_used(CacheID::Bloom(key));
}
}
// insert new block traces into the cache and the database
{
let mut traces = self.traces.write();
// it's important to use overwrite here,
// cause this value might be queried by hash later
batch.write_with_cache(db::COL_TRACE, &mut *traces, request.block_hash, request.traces, CacheUpdatePolicy::Overwrite);
// note_used must be called after locking traces to avoid cache/traces deadlock on garbage collection
self.note_used(CacheID::Trace(request.block_hash.clone()));
}
}
fn trace(&self, block_number: BlockNumber, tx_position: usize, trace_position: Vec<usize>) -> Option<LocalizedTrace> {
@ -504,6 +504,28 @@ mod tests {
}
}
fn create_noncanon_import_request(block_number: BlockNumber, block_hash: H256) -> ImportRequest {
ImportRequest {
traces: FlatBlockTraces::from(vec![FlatTransactionTraces::from(vec![FlatTrace {
trace_address: Default::default(),
subtraces: 0,
action: Action::Call(Call {
from: 1.into(),
to: 2.into(),
value: 3.into(),
gas: 4.into(),
input: vec![],
call_type: CallType::Call,
}),
result: Res::FailedCall(TraceError::OutOfGas),
}])]),
block_hash: block_hash.clone(),
block_number: block_number,
enacted: vec![],
retracted: 0,
}
}
fn create_simple_localized_trace(block_number: BlockNumber, block_hash: H256, tx_hash: H256) -> LocalizedTrace {
LocalizedTrace {
action: Action::Call(Call {
@ -524,6 +546,34 @@ mod tests {
}
}
#[test]
fn test_import_non_canon_traces() {
let temp = RandomTempPath::new();
let db = Arc::new(Database::open(&DatabaseConfig::with_columns(::db::NUM_COLUMNS), temp.as_str()).unwrap());
let mut config = Config::default();
config.enabled = true;
let block_0 = H256::from(0xa1);
let block_1 = H256::from(0xa2);
let tx_0 = H256::from(0xff);
let tx_1 = H256::from(0xaf);
let mut extras = Extras::default();
extras.block_hashes.insert(0, block_0.clone());
extras.block_hashes.insert(1, block_1.clone());
extras.transaction_hashes.insert(0, vec![tx_0.clone()]);
extras.transaction_hashes.insert(1, vec![tx_1.clone()]);
let tracedb = TraceDB::new(config, db.clone(), Arc::new(extras));
// import block 0
let request = create_noncanon_import_request(0, block_0.clone());
let mut batch = DBTransaction::new(&db);
tracedb.import(&mut batch, request);
db.write(batch).unwrap();
assert!(tracedb.traces(&block_0).is_some(), "Traces should be available even if block is non-canon.");
}
#[test]
fn test_import() {