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LMDB blockchain: remove outputs and spent keys

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This commit is contained in:
Thomas Winget 2014-10-23 20:32:31 -04:00 committed by warptangent
parent a0af217d9a
commit e47e343a1c
1 changed files with 63 additions and 0 deletions
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63
src/cryptonote_core/BlockchainDB_impl/db_lmdb.cpp
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@ -249,6 +249,58 @@ void BlockchainLMDB::add_output(const crypto::hash& tx_hash, const tx_out& tx_ou
void BlockchainLMDB::remove_output(const tx_out& tx_output) void BlockchainLMDB::remove_output(const tx_out& tx_output)
{ {
check_open(); check_open();
MDB_val k;
MDB_val v;
blobdata b;
t_serializable_object_to_blob(tx_output, b);
k.mv_size = b.size();
k.mv_data = &b;
if (mdb_get(*m_write_txn, m_output_gindices, &k, &v))
{
LOG_PRINT_L1("Attempting to remove output that does not exist");
throw OUTPUT_DNE("Attempting to remove output that does not exist");
}
uint64_t gindex = *(uint64_t*)v.mv_data;
auto result = mdb_del(*m_write_txn, m_output_gindices, &k, NULL);
if (result != 0 && result != MDB_NOTFOUND)
{
LOG_PRINT_L1("Error adding removal of output global index to db transaction");
throw DB_ERROR("Error adding removal of output global index to db transaction");
}
result = mdb_del(*m_write_txn, m_output_indices, &v, NULL);
if (result != 0 && result != MDB_NOTFOUND)
{
LOG_PRINT_L1("Error adding removal of output tx index to db transaction");
throw DB_ERROR("Error adding removal of output tx index to db transaction");
}
result = mdb_del(*m_write_txn, m_output_txs, &v, NULL);
if (result != 0 && result != MDB_NOTFOUND)
{
LOG_PRINT_L1("Error adding removal of output tx hash to db transaction");
throw DB_ERROR("Error adding removal of output tx hash to db transaction");
}
result = mdb_del(*m_write_txn, m_output_amounts, &v, NULL);
if (result != 0 && result != MDB_NOTFOUND)
{
LOG_PRINT_L1("Error adding removal of output amount to db transaction");
throw DB_ERROR("Error adding removal of output amount to db transaction");
}
result = mdb_del(*m_write_txn, m_outputs, &v, NULL);
if (result != 0 && result != MDB_NOTFOUND)
{
LOG_PRINT_L1("Error adding removal of output to db transaction");
throw DB_ERROR("Error adding removal of output to db transaction");
}
} }
void BlockchainLMDB::add_spent_key(const crypto::key_image& k_image) void BlockchainLMDB::add_spent_key(const crypto::key_image& k_image)
@ -280,6 +332,17 @@ void BlockchainLMDB::add_spent_key(const crypto::key_image& k_image)
void BlockchainLMDB::remove_spent_key(const crypto::key_image& k_image) void BlockchainLMDB::remove_spent_key(const crypto::key_image& k_image)
{ {
check_open(); check_open();
crypto::key_image key_cpy = k_image;
MDB_val k;
k.mv_size = sizeof(crypto::key_image);
k.mv_data = &key_cpy;
auto result = mdb_del(*m_write_txn, m_spent_keys, &val_key, NULL);
if (result != 0 && result != MDB_NOTFOUND)
{
LOG_PRINT_L1("Error adding removal of key image to db transaction");
throw DB_ERROR("Error adding removal of key image to db transaction");
}
} }
void BlockchainLMDB::check_open() void BlockchainLMDB::check_open()