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Fixing replacing transaction with lower gas_price in one of the edge cases (#1343)

This commit is contained in:
Tomasz Drwięga 2016-06-21 13:55:26 +02:00 committed by Gav Wood
parent 06ba7e258e
commit e0b4eab819
1 changed files with 4 additions and 3 deletions
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7
ethcore/src/miner/transaction_queue.rs
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@ -686,14 +686,15 @@ impl TransactionQueue {
if let Some(order) = self.future.drop(&address, &nonce) {
// Let's insert that transaction to current (if it has higher gas_price)
let future_tx = self.by_hash.remove(&order.hash).unwrap();
try!(check_too_cheap(Self::replace_transaction(future_tx, state_nonce, &mut self.current, &mut self.by_hash)));
// if transaction in `current` (then one we are importing) is replaced it means that it has to low gas_price
try!(check_too_cheap(!Self::replace_transaction(future_tx, state_nonce, &mut self.current, &mut self.by_hash)));
}
// Also enforce the limit
let removed = self.current.enforce_limit(&mut self.by_hash);
// If some transaction were removed because of limit we need to update last_nonces also.
self.update_last_nonces(&removed);
// Trigger error if we were removed.
// Trigger error if the transaction we are importing was removed.
try!(check_if_removed(&address, &nonce, removed));
trace!(target: "miner", "status: {:?}", self.status());
@ -937,7 +938,7 @@ mod test {
let res = txq.add(tx2.clone(), &default_nonce, TransactionOrigin::External);
// and then there should be only one transaction in current (the one with higher gas_price)
assert_eq!(unwrap_tx_err(res), TransactionError::TooCheapToReplace);
assert_eq!(res.unwrap(), TransactionImportResult::Current);
assert_eq!(txq.status().pending, 1);
assert_eq!(txq.status().future, 0);
assert_eq!(txq.current.by_priority.len(), 1);