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Fix comment in UTXOset for stxo cache ordering

This commit is contained in:
Andrew Poelstra 2014-07-25 14:35:46 -07:00
parent 44dc29f013
commit 128ebcc6d5
1 changed files with 1 additions and 3 deletions
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4
src/blockdata/utxoset.rs
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@ -141,9 +141,7 @@ impl UtxoSet {
let mut skipped_genesis = false;
for tx in block.txdata.iter() {
let txid = tx.bitcoin_hash();
// Put the removed utxos into the stxo cache. Note that the order that
// they are pushed onto the stxo cache -must- match the order of the
// txos in the block so that rewind() will rewind them properly.
// Put the removed utxos into the stxo cache, in case we need to rewind
if skipped_genesis {
self.spent_txos.get_mut(spent_idx).reserve_additional(tx.input.len());
for (n, input) in tx.input.iter().enumerate() {