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BlockchainBDB: Support blockchain_import --drop-hard-fork command

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See c657e772c4 for LMDB equivalent.
This commit is contained in:
warptangent 2016-02-17 05:56:32 -08:00
parent 1889c0e81c
commit 47f6cf8bea
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GPG key ID: 0E490BEBFBE4E92D
1 changed files with 35 additions and 3 deletions
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34
src/blockchain_db/berkeleydb/db_bdb.cpp
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@ -1073,7 +1073,9 @@ void BlockchainBDB::sync()
m_spent_keys->sync(0);
if (m_hf_starting_heights != nullptr)
m_hf_starting_heights->sync(0);
if (m_hf_versions != nullptr)
m_hf_versions->sync(0);
m_properties->sync(0);
@ -2213,7 +2215,37 @@ void BlockchainBDB::check_hard_fork_info()
void BlockchainBDB::drop_hard_fork_info()
{
/* TODO */
LOG_PRINT_L3("BlockchainBDB::" << __func__);
check_open();
bdb_txn_safe txn;
bdb_txn_safe* txn_ptr = &txn;
if (m_write_txn)
txn_ptr = m_write_txn;
else
{
if (m_env->txn_begin(NULL, txn, 0))
throw0(DB_ERROR("Failed to create a transaction for the db"));
}
try
{
m_hf_starting_heights->close(0);
m_hf_versions->close(0);
m_hf_starting_heights = nullptr;
m_hf_versions = nullptr;
if (m_env->dbremove(*txn_ptr, BDB_HF_STARTING_HEIGHTS, NULL, 0) != 0)
LOG_ERROR("Error removing hf_starting_heights");
if (m_env->dbremove(*txn_ptr, BDB_HF_VERSIONS, NULL, 0) != 0)
LOG_ERROR("Error removing hf_versions");
if (!m_write_txn)
txn.commit();
}
catch (const std::exception& e)
{
throw0(DB_ERROR(std::string("Failed to drop hard fork info: ").append(e.what()).c_str()));
}
}
void BlockchainBDB::set_hard_fork_version(uint64_t height, uint8_t version)