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Minor cleanup of utxoset input checking

This commit is contained in:
Andrew Poelstra 2014-08-31 16:35:30 -07:00
parent d880bd1ccc
commit 1515f68748
1 changed files with 11 additions and 16 deletions
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27
src/blockdata/utxoset.rs
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@ -253,28 +253,23 @@ impl UtxoSet {
} }
} }
let mut skipped_genesis = false; for tx in block.txdata.iter().skip(1) {
for tx in block.txdata.iter() {
let txid = tx.bitcoin_hash(); let txid = tx.bitcoin_hash();
// Put the removed utxos into the stxo cache, in case we need to rewind // 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());
self.spent_txos.get_mut(spent_idx).reserve_additional(tx.input.len()); for (n, input) in tx.input.iter().enumerate() {
for (n, input) in tx.input.iter().enumerate() { let taken = self.take_utxo(input.prev_hash, input.prev_index);
let taken = self.take_utxo(input.prev_hash, input.prev_index); match taken {
match taken { Some(txo) => { self.spent_txos.get_mut(spent_idx).push(((txid, n as u32), txo)); }
Some(txo) => { self.spent_txos.get_mut(spent_idx).push(((txid, n as u32), txo)); } None => {
None => { if validation >= TxoValidation {
if validation >= TxoValidation { self.rewind(block);
self.rewind(block); return Err(InvalidTx(txid,
return Err(InvalidTx(txid, InputNotFound(input.prev_hash, input.prev_index)));
InputNotFound(input.prev_hash, input.prev_index)));
}
} }
} }
} }
} }
skipped_genesis = true;
} }
// If we made it here, success! // If we made it here, success!
Ok(()) Ok(())