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db: store cumulative rct output distribution in the db for speed

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This gets rid of the temporary precalc cache.

Also make the RPC able to send data back in binary or JSON,
since there can be a lot of data

This bumps the LMDB database format to v3, with migration.
This commit is contained in:
moneromooo-monero
2018-05-22 14:46:30 +01:00
parent eed4dba880
commit 45e419bd5c
9 changed files with 315 additions and 177 deletions
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11
src/blockchain_db/blockchain_db.cpp
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@@ -218,13 +218,22 @@ uint64_t BlockchainDB::add_block( const block& blk
// call out to add the transactions
time1 = epee::misc_utils::get_tick_count();
uint64_t num_rct_outs = 0;
add_transaction(blk_hash, blk.miner_tx);
if (blk.miner_tx.version == 2)
num_rct_outs += blk.miner_tx.vout.size();
int tx_i = 0;
crypto::hash tx_hash = crypto::null_hash;
for (const transaction& tx : txs)
{
tx_hash = blk.tx_hashes[tx_i];
add_transaction(blk_hash, tx, &tx_hash);
for (const auto &vout: tx.vout)
{
if (vout.amount == 0)
++num_rct_outs;
}
++tx_i;
}
TIME_MEASURE_FINISH(time1);
@@ -232,7 +241,7 @@ uint64_t BlockchainDB::add_block( const block& blk
// call out to subclass implementation to add the block & metadata
time1 = epee::misc_utils::get_tick_count();
add_block(blk, block_size, cumulative_difficulty, coins_generated, blk_hash);
add_block(blk, block_size, cumulative_difficulty, coins_generated, num_rct_outs, blk_hash);
TIME_MEASURE_FINISH(time1);
time_add_block1 += time1;