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Toggle SAFE syncmode on and off automatically

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If monerod is started with default sync mode, set it to SAFE after
synchronization completes. Set it back to FAST if synchronization
restarts (e.g. because another peer has a longer blockchain).

If monerod is started with an explicit sync mode, none of this
automation takes effect.
This commit is contained in:
Howard Chu 2017-08-19 19:36:51 +01:00
parent 4c7f8ac04f
commit 9a859844f4
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GPG key ID: FD2A70B44AB11BA7
8 changed files with 47 additions and 2 deletions
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19
src/cryptonote_core/blockchain.cpp
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@ -126,7 +126,7 @@ static const uint64_t testnet_hard_fork_version_1_till = 624633;
//------------------------------------------------------------------
Blockchain::Blockchain(tx_memory_pool& tx_pool) :
m_db(), m_tx_pool(tx_pool), m_hardfork(NULL), m_timestamps_and_difficulties_height(0), m_current_block_cumul_sz_limit(0),
m_enforce_dns_checkpoints(false), m_max_prepare_blocks_threads(4), m_db_blocks_per_sync(1), m_db_sync_mode(db_async), m_fast_sync(true), m_show_time_stats(false), m_sync_counter(0), m_cancel(false)
m_enforce_dns_checkpoints(false), m_max_prepare_blocks_threads(4), m_db_blocks_per_sync(1), m_db_sync_mode(db_async), m_db_default_sync(false), m_fast_sync(true), m_show_time_stats(false), m_sync_counter(0), m_cancel(false)
{
LOG_PRINT_L3("Blockchain::" << __func__);
}
@ -4034,12 +4034,29 @@ bool Blockchain::for_all_txpool_txes(std::function<bool(const crypto::hash&, con
void Blockchain::set_user_options(uint64_t maxthreads, uint64_t blocks_per_sync, blockchain_db_sync_mode sync_mode, bool fast_sync)
{
if (sync_mode == db_defaultsync)
{
m_db_default_sync = true;
sync_mode = db_async;
}
m_db_sync_mode = sync_mode;
m_fast_sync = fast_sync;
m_db_blocks_per_sync = blocks_per_sync;
m_max_prepare_blocks_threads = maxthreads;
}
void Blockchain::safesyncmode(const bool onoff)
{
/* all of this is no-op'd if the user set a specific
* --db-sync-mode at startup.
*/
if (m_db_default_sync)
{
m_db->safesyncmode(onoff);
m_db_sync_mode = onoff ? db_nosync : db_async;
}
}
HardFork::State Blockchain::get_hard_fork_state() const
{
return m_hardfork->get_state();