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Add basic "pop blocks" command to blockchain_import for debugging

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Usage: blockchain_import --pop-blocks <num_blocks>
This commit is contained in:
warptangent 2015-05-08 11:35:48 -07:00
parent 71af04669c
commit 8c1a1884b5
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GPG key ID: 0E490BEBFBE4E92D
1 changed files with 58 additions and 0 deletions
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58
src/blockchain_converter/blockchain_import.cpp
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@ -119,6 +119,52 @@ int parse_db_arguments(const std::string& db_arg_str, std::string& db_engine, in
}
template <typename FakeCore>
int pop_blocks(FakeCore& simple_core, int num_blocks)
{
bool use_batch = false;
if (opt_batch)
{
if (simple_core.support_batch)
use_batch = true;
else
LOG_PRINT_L0("WARNING: batch transactions enabled but unsupported or unnecessary for this database engine - ignoring");
}
if (use_batch)
simple_core.batch_start();
int quit = 0;
block popped_block;
std::vector<transaction> popped_txs;
for (int i=0; i < num_blocks; ++i)
{
// simple_core.m_storage.pop_block_from_blockchain() is private, so call directly through db
simple_core.m_storage.get_db().pop_block(popped_block, popped_txs);
quit = 1;
}
if (use_batch)
{
if (quit > 1)
{
// There was an error, so don't commit pending data.
// Destructor will abort write txn.
}
else
{
simple_core.batch_stop();
}
#if !defined(BLOCKCHAIN_DB) || (BLOCKCHAIN_DB == DB_LMDB)
simple_core.m_storage.get_db().show_stats();
#endif
}
return num_blocks;
}
int count_blocks(std::string& import_file_path)
{
boost::filesystem::path raw_file_path(import_file_path);
@ -549,6 +595,7 @@ int main(int argc, char* argv[])
#endif
uint32_t log_level = LOG_LEVEL_0;
uint64_t num_blocks = 0;
std::string dirname;
std::string db_arg_str;
@ -559,6 +606,7 @@ int main(int argc, char* argv[])
po::options_description desc_cmd_sett("Command line options and settings options");
const command_line::arg_descriptor<uint32_t> arg_log_level = {"log-level", "", log_level};
const command_line::arg_descriptor<uint64_t> arg_batch_size = {"batch-size", "", db_batch_size};
const command_line::arg_descriptor<uint64_t> arg_pop_blocks = {"pop-blocks", "", num_blocks};
const command_line::arg_descriptor<bool> arg_testnet_on = {
"testnet"
, "Run on testnet."
@ -584,6 +632,7 @@ int main(int argc, char* argv[])
command_line::add_arg(desc_cmd_sett, command_line::arg_testnet_data_dir, default_testnet_data_path.string());
command_line::add_arg(desc_cmd_sett, arg_log_level);
command_line::add_arg(desc_cmd_sett, arg_batch_size);
command_line::add_arg(desc_cmd_sett, arg_pop_blocks);
command_line::add_arg(desc_cmd_sett, arg_testnet_on);
command_line::add_arg(desc_cmd_sett, arg_database);
@ -733,6 +782,15 @@ int main(int argc, char* argv[])
fake_core_memory simple_core(dirname, opt_testnet);
#endif
if (! vm["pop-blocks"].defaulted())
{
num_blocks = command_line::get_arg(vm, arg_pop_blocks);
LOG_PRINT_L0("height: " << simple_core.m_storage.get_current_blockchain_height());
pop_blocks(simple_core, num_blocks);
LOG_PRINT_L0("height: " << simple_core.m_storage.get_current_blockchain_height());
exit(0);
}
import_from_file(simple_core, import_file_path);
#endif