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blockchain: speedup fetching pruned contiguous tx blobs

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About twice as fast, very roughly
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moneromooo-monero 2019-11-12 18:40:37 +00:00
parent fe3f6a3e6b
commit 08635a0875
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GPG key ID: 686F07454D6CEFC3
5 changed files with 70 additions and 3 deletions
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13
src/cryptonote_core/blockchain.cpp
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@ -2498,10 +2498,17 @@ bool Blockchain::find_blockchain_supplement(const uint64_t req_start_block, cons
block b;
CHECK_AND_ASSERT_MES(parse_and_validate_block_from_blob(blocks.back().first.first, b), false, "internal error, invalid block");
blocks.back().first.second = get_miner_tx_hash ? cryptonote::get_transaction_hash(b.miner_tx) : crypto::null_hash;
std::vector<crypto::hash> mis;
std::vector<cryptonote::blobdata> txs;
get_transactions_blobs(b.tx_hashes, txs, mis, pruned);
CHECK_AND_ASSERT_MES(!mis.size(), false, "internal error, transaction from block not found");
if (pruned)
{
CHECK_AND_ASSERT_MES(m_db->get_pruned_tx_blobs_from(b.tx_hashes.front(), b.tx_hashes.size(), txs), false, "Failed to retrieve all transactions needed");
}
else
{
std::vector<crypto::hash> mis;
get_transactions_blobs(b.tx_hashes, txs, mis, pruned);
CHECK_AND_ASSERT_MES(!mis.size(), false, "internal error, transaction from block not found");
}
size += blocks.back().first.first.size();
for (const auto &t: txs)
size += t.size();