tiamak/salvium
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #4270

Browse Source 
29dea03 epee: resize vectors where possible in serialization (moneromooo-monero)
76affd9 epee: some speedup in parsing (moneromooo-monero)
dc6c069 db_lmdb: speedup the get_output_distribution common case (moneromooo-monero)
76ac5a8 wallet2: ask for a binary output distribution, for speed (moneromooo-monero)
This commit is contained in:
luigi1111
2018-09-04 13:19:58 -05:00
parent 59e6fb06f9 76ac5a8fbe
commit 77ed11e627
4 changed files with 29 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/blockchain_db/lmdb/db_lmdb.cpp
+13 -2
View File
@@ -1971,14 +1971,25 @@ std::vector<uint64_t> BlockchainLMDB::get_block_cumulative_rct_outputs(const std
MDB_val v;
uint64_t prev_height = heights[0];
for (uint64_t height: heights)
{
MDB_val_set(v, height);
result = mdb_cursor_get(m_cur_block_info, (MDB_val *)&zerokval, &v, MDB_GET_BOTH);
if (height == prev_height + 1)
{
MDB_val k2;
result = mdb_cursor_get(m_cur_block_info, &k2, &v, MDB_NEXT);
}
else
{
v.mv_size = sizeof(uint64_t);
v.mv_data = (void*)&height;
result = mdb_cursor_get(m_cur_block_info, (MDB_val *)&zerokval, &v, MDB_GET_BOTH);
}
if (result)
throw0(DB_ERROR(lmdb_error("Error attempting to retrieve rct distribution from the db: ", result).c_str()));
const mdb_block_info *bi = (const mdb_block_info *)v.mv_data;
res.push_back(bi->bi_cum_rct);
prev_height = height;
}
TXN_POSTFIX_RDONLY();