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ringdb: use the genesis block as a db name

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This will avoid careless forkers polluting the shared database
even if they make their own chain. They'll then automatically
start using another subdb, and any key-reusing fork of those
forks will reuse their subdbs.
This commit is contained in:
moneromooo-monero 2018-03-04 13:30:40 +00:00
parent b09e5181cc
commit 504428ab4a
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
4 changed files with 10 additions and 6 deletions
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4
src/blockchain_utilities/blockchain_blackball.cpp
View File

@ -310,7 +310,9 @@ int main(int argc, char* argv[])
std::unordered_map<crypto::key_image, std::vector<uint64_t>> relative_rings;
std::unordered_map<output_data, std::unordered_set<crypto::key_image>> outputs;
std::unordered_set<output_data> spent, newly_spent;
tools::ringdb ringdb(output_file_path.string());
cryptonote::block b = core_storage[0]->get_db().get_block_from_height(0);
tools::ringdb ringdb(output_file_path.string(), epee::string_tools::pod_to_hex(get_block_hash(b)));
for (size_t n = 0; n < inputs.size(); ++n)
{

6
src/wallet/ringdb.cpp
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@ -175,7 +175,7 @@ enum { BLACKBALL_BLACKBALL, BLACKBALL_UNBLACKBALL, BLACKBALL_QUERY, BLACKBALL_CL
namespace tools
{
ringdb::ringdb(std::string filename):
ringdb::ringdb(std::string filename, const std::string &genesis):
filename(filename)
{
MDB_txn *txn;
@ -198,11 +198,11 @@ ringdb::ringdb(std::string filename):
epee::misc_utils::auto_scope_leave_caller txn_dtor = epee::misc_utils::create_scope_leave_handler([&](){if (tx_active) mdb_txn_abort(txn);});
tx_active = true;
dbr = mdb_dbi_open(txn, "rings", MDB_CREATE, &dbi_rings);
dbr = mdb_dbi_open(txn, ("rings-" + genesis).c_str(), MDB_CREATE, &dbi_rings);
THROW_WALLET_EXCEPTION_IF(dbr, tools::error::wallet_internal_error, "Failed to open LMDB dbi: " + std::string(mdb_strerror(dbr)));
mdb_set_compare(txn, dbi_rings, compare_hash32);
dbr = mdb_dbi_open(txn, "blackballs", MDB_CREATE | MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, &dbi_blackballs);
dbr = mdb_dbi_open(txn, ("blackballs-" + genesis).c_str(), MDB_CREATE | MDB_INTEGERKEY | MDB_DUPSORT | MDB_DUPFIXED, &dbi_blackballs);
THROW_WALLET_EXCEPTION_IF(dbr, tools::error::wallet_internal_error, "Failed to open LMDB dbi: " + std::string(mdb_strerror(dbr)));
mdb_set_dupsort(txn, dbi_blackballs, compare_hash32);

2
src/wallet/ringdb.h
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@ -40,7 +40,7 @@ namespace tools
class ringdb
{
public:
ringdb(std::string filename);
ringdb(std::string filename, const std::string &genesis);
~ringdb();
bool add_rings(const crypto::chacha_key &chacha_key, const cryptonote::transaction_prefix &tx);

4
src/wallet/wallet2.cpp
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@ -5454,8 +5454,10 @@ void wallet2::set_ring_database(const std::string &filename)
m_ring_database = filename;
MINFO("ringdb path set to " << filename);
m_ringdb.reset();
cryptonote::block b;
generate_genesis(b);
if (!m_ring_database.empty())
m_ringdb.reset(new tools::ringdb(m_ring_database));
m_ringdb.reset(new tools::ringdb(m_ring_database, epee::string_tools::pod_to_hex(get_block_hash(b))));
}
bool wallet2::add_rings(const crypto::chacha_key &key, const cryptonote::transaction_prefix &tx)