Merge pull request #6140
08635a08
blockchain: speedup fetching pruned contiguous tx blobs (moneromooo-monero)
This commit is contained in:
commit
8eedc8a390
|
@ -1274,6 +1274,22 @@ public:
|
|||
*/
|
||||
virtual bool get_pruned_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const = 0;
|
||||
|
||||
/**
|
||||
* @brief fetches a number of pruned transaction blob from the given hash, in canonical blockchain order
|
||||
*
|
||||
* The subclass should return the pruned transactions stored from the one with the given
|
||||
* hash.
|
||||
*
|
||||
* If the first transaction does not exist, the subclass should return false.
|
||||
* If the first transaction exists, but there are fewer transactions starting with it
|
||||
* than requested, the subclass should return false.
|
||||
*
|
||||
* @param h the hash to look for
|
||||
*
|
||||
* @return true iff the transactions were found
|
||||
*/
|
||||
virtual bool get_pruned_tx_blobs_from(const crypto::hash& h, size_t count, std::vector<cryptonote::blobdata> &bd) const = 0;
|
||||
|
||||
/**
|
||||
* @brief fetches the prunable transaction blob with the given hash
|
||||
*
|
||||
|
|
|
@ -3065,6 +3065,48 @@ bool BlockchainLMDB::get_pruned_tx_blob(const crypto::hash& h, cryptonote::blobd
|
|||
return true;
|
||||
}
|
||||
|
||||
bool BlockchainLMDB::get_pruned_tx_blobs_from(const crypto::hash& h, size_t count, std::vector<cryptonote::blobdata> &bd) const
|
||||
{
|
||||
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
|
||||
check_open();
|
||||
|
||||
if (!count)
|
||||
return true;
|
||||
|
||||
TXN_PREFIX_RDONLY();
|
||||
RCURSOR(tx_indices);
|
||||
RCURSOR(txs_pruned);
|
||||
|
||||
bd.reserve(bd.size() + count);
|
||||
|
||||
MDB_val_set(v, h);
|
||||
MDB_val result;
|
||||
int res = mdb_cursor_get(m_cur_tx_indices, (MDB_val *)&zerokval, &v, MDB_GET_BOTH);
|
||||
if (res == MDB_NOTFOUND)
|
||||
return false;
|
||||
if (res)
|
||||
throw0(DB_ERROR(lmdb_error("DB error attempting to fetch tx from hash", res).c_str()));
|
||||
|
||||
const txindex *tip = (const txindex *)v.mv_data;
|
||||
const uint64_t id = tip->data.tx_id;
|
||||
MDB_val_set(val_tx_id, id);
|
||||
MDB_cursor_op op = MDB_SET;
|
||||
while (count--)
|
||||
{
|
||||
res = mdb_cursor_get(m_cur_txs_pruned, &val_tx_id, &result, op);
|
||||
op = MDB_NEXT;
|
||||
if (res == MDB_NOTFOUND)
|
||||
return false;
|
||||
if (res)
|
||||
throw0(DB_ERROR(lmdb_error("DB error attempting to fetch tx blob", res).c_str()));
|
||||
bd.emplace_back(reinterpret_cast<char*>(result.mv_data), result.mv_size);
|
||||
}
|
||||
|
||||
TXN_POSTFIX_RDONLY();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool BlockchainLMDB::get_prunable_tx_blob(const crypto::hash& h, cryptonote::blobdata &bd) const
|
||||
{
|
||||
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
|
||||
|
|
|
@ -254,6 +254,7 @@ public:
|
|||
|
||||
virtual bool get_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const;
|
||||
virtual bool get_pruned_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const;
|
||||
virtual bool get_pruned_tx_blobs_from(const crypto::hash& h, size_t count, std::vector<cryptonote::blobdata> &bd) const;
|
||||
virtual bool get_prunable_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const;
|
||||
virtual bool get_prunable_tx_hash(const crypto::hash& tx_hash, crypto::hash &prunable_hash) const;
|
||||
|
||||
|
|
|
@ -69,6 +69,7 @@ public:
|
|||
virtual cryptonote::blobdata get_block_blob(const crypto::hash& h) const override { return cryptonote::blobdata(); }
|
||||
virtual bool get_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const override { return false; }
|
||||
virtual bool get_pruned_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const override { return false; }
|
||||
virtual bool get_pruned_tx_blobs_from(const crypto::hash& h, size_t count, std::vector<cryptonote::blobdata> &bd) const { return false; }
|
||||
virtual bool get_prunable_tx_blob(const crypto::hash& h, cryptonote::blobdata &tx) const override { return false; }
|
||||
virtual bool get_prunable_tx_hash(const crypto::hash& tx_hash, crypto::hash &prunable_hash) const override { return false; }
|
||||
virtual uint64_t get_block_height(const crypto::hash& h) const override { return 0; }
|
||||
|
|
|
@ -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();
|
||||
|
|
Loading…
Reference in New Issue