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cryptonote: don't serialize for blob size if already known

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moneromooo-monero 2018-11-29 22:01:48 +00:00
parent 7e957c162a
commit dbbb3ce9d8
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1 changed files with 13 additions and 5 deletions
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18
src/cryptonote_basic/cryptonote_format_utils.cpp
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@ -379,11 +379,19 @@ namespace cryptonote
//---------------------------------------------------------------
uint64_t get_transaction_weight(const transaction &tx)
{
std::ostringstream s;
binary_archive<true> a(s);
::serialization::serialize(a, const_cast<transaction&>(tx));
const cryptonote::blobdata blob = s.str();
return get_transaction_weight(tx, blob.size());
size_t blob_size;
if (tx.is_blob_size_valid())
{
blob_size = tx.blob_size;
}
else
{
std::ostringstream s;
binary_archive<true> a(s);
::serialization::serialize(a, const_cast<transaction&>(tx));
blob_size = s.str().size();
}
return get_transaction_weight(tx, blob_size);
}
//---------------------------------------------------------------
bool get_tx_fee(const transaction& tx, uint64_t & fee)