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tx_pool: speed up take_tx for transactions from blocks

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This happens for every historical tx when syncing, and the
unnecessary parsing is actually showing up on profile.
Since these are kept cached for just one block, this does
not increase memory usage after syncing.
This commit is contained in:
moneromooo-monero
2018-10-31 13:52:16 +00:00
parent 4f005a77c2
commit bf31447e9b
2 changed files with 14 additions and 1 deletions
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13
src/cryptonote_core/tx_pool.cpp
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@@ -247,6 +247,8 @@ namespace cryptonote
memset(meta.padding, 0, sizeof(meta.padding));
try
{
if (kept_by_block)
m_parsed_tx_cache.insert(std::make_pair(id, tx));
CRITICAL_REGION_LOCAL1(m_blockchain);
LockedTXN lock(m_blockchain);
m_blockchain.add_txpool_tx(id, blob, meta);
@@ -288,6 +290,8 @@ namespace cryptonote
try
{
if (kept_by_block)
m_parsed_tx_cache.insert(std::make_pair(id, tx));
CRITICAL_REGION_LOCAL1(m_blockchain);
LockedTXN lock(m_blockchain);
m_blockchain.remove_txpool_tx(id);
@@ -468,7 +472,12 @@ namespace cryptonote
return false;
}
cryptonote::blobdata txblob = m_blockchain.get_txpool_tx_blob(id);
if (!parse_and_validate_tx_from_blob(txblob, tx))
auto ci = m_parsed_tx_cache.find(id);
if (ci != m_parsed_tx_cache.end())
{
tx = ci->second;
}
else if (!parse_and_validate_tx_from_blob(txblob, tx))
{
MERROR("Failed to parse tx from txpool");
return false;
@@ -911,6 +920,7 @@ namespace cryptonote
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
m_input_cache.clear();
m_parsed_tx_cache.clear();
return true;
}
//---------------------------------------------------------------------------------
@@ -918,6 +928,7 @@ namespace cryptonote
{
CRITICAL_REGION_LOCAL(m_transactions_lock);
m_input_cache.clear();
m_parsed_tx_cache.clear();
return true;
}
//---------------------------------------------------------------------------------