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tests: Modify records directly in wallet ckey loading test

Browse source 
In the wallet ckey loading test, we modify various ckey records to test
corruption handling. As the database is now a mockable database, we can
modify the records that the database will be initialized with. This
avoids having to use the verbose database reading and writing functions.
This commit is contained in:
Andrew Chow 2022-12-12 17:38:08 -05:00
parent b3bb17d5d0
commit 80ace042d8
1 changed files with 38 additions and 47 deletions
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85
src/wallet/test/walletload_tests.cpp
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@ -70,38 +70,45 @@ bool HasAnyRecordOfType(WalletDatabase& db, const std::string& key)
return false;
}
BOOST_FIXTURE_TEST_CASE(wallet_load_verif_crypted_key_checksum, TestingSetup)
template<typename... Args>
SerializeData MakeSerializeData(const Args&... args)
{
// The test duplicates the db so each case has its own db instance.
int NUMBER_OF_TESTS = 4;
std::vector<std::unique_ptr<WalletDatabase>> dbs;
CKey first_key;
auto get_db = [](std::vector<std::unique_ptr<WalletDatabase>>& dbs) {
std::unique_ptr<WalletDatabase> db = std::move(dbs.back());
dbs.pop_back();
return db;
};
CDataStream s(0, 0);
SerializeMany(s, args...);
return {s.begin(), s.end()};
}
{ // Context setup.
BOOST_FIXTURE_TEST_CASE(wallet_load_ckey, TestingSetup)
{
SerializeData ckey_record_key;
SerializeData ckey_record_value;
std::map<SerializeData, SerializeData> records;
{
// Context setup.
// Create and encrypt legacy wallet
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", CreateMockableWalletDatabase()));
LOCK(wallet->cs_wallet);
auto legacy_spkm = wallet->GetOrCreateLegacyScriptPubKeyMan();
BOOST_CHECK(legacy_spkm->SetupGeneration(true));
// Get the first key in the wallet
// Retrieve a key
CTxDestination dest = *Assert(legacy_spkm->GetNewDestination(OutputType::LEGACY));
CKeyID key_id = GetKeyForDestination(*legacy_spkm, dest);
CKey first_key;
BOOST_CHECK(legacy_spkm->GetKey(key_id, first_key));
// Encrypt the wallet and duplicate database
// Encrypt the wallet
BOOST_CHECK(wallet->EncryptWallet("encrypt"));
wallet->Flush();
DatabaseOptions options;
for (int i=0; i < NUMBER_OF_TESTS; i++) {
dbs.emplace_back(DuplicateMockDatabase(wallet->GetDatabase()));
}
// Store a copy of all the records
records = GetMockableDatabase(*wallet).m_records;
// Get the record for the retrieved key
ckey_record_key = MakeSerializeData(DBKeys::CRYPTED_KEY, first_key.GetPubKey());
ckey_record_value = records.at(ckey_record_key);
}
{
@ -112,7 +119,7 @@ BOOST_FIXTURE_TEST_CASE(wallet_load_verif_crypted_key_checksum, TestingSetup)
// the records every time that 'CWallet::Unlock' gets called, which is not good.
// Load the wallet and check that is encrypted
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", get_db(dbs)));
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", CreateMockableWalletDatabase(records)));
BOOST_CHECK_EQUAL(wallet->LoadWallet(), DBErrors::LOAD_OK);
BOOST_CHECK(wallet->IsCrypted());
BOOST_CHECK(HasAnyRecordOfType(wallet->GetDatabase(), DBKeys::CRYPTED_KEY));
@ -127,18 +134,12 @@ BOOST_FIXTURE_TEST_CASE(wallet_load_verif_crypted_key_checksum, TestingSetup)
{
// Second test case:
// Verify that loading up a 'ckey' with no checksum triggers a complete re-write of the crypted keys.
std::unique_ptr<WalletDatabase> db = get_db(dbs);
{
std::unique_ptr<DatabaseBatch> batch = db->MakeBatch(false);
std::pair<std::vector<unsigned char>, uint256> value;
BOOST_CHECK(batch->Read(std::make_pair(DBKeys::CRYPTED_KEY, first_key.GetPubKey()), value));
const auto key = std::make_pair(DBKeys::CRYPTED_KEY, first_key.GetPubKey());
BOOST_CHECK(batch->Write(key, value.first, /*fOverwrite=*/true));
}
// Cut off the 32 byte checksum from a ckey record
records[ckey_record_key].resize(ckey_record_value.size() - 32);
// Load the wallet and check that is encrypted
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", std::move(db)));
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", CreateMockableWalletDatabase(records)));
BOOST_CHECK_EQUAL(wallet->LoadWallet(), DBErrors::LOAD_OK);
BOOST_CHECK(wallet->IsCrypted());
BOOST_CHECK(HasAnyRecordOfType(wallet->GetDatabase(), DBKeys::CRYPTED_KEY));
@ -154,35 +155,25 @@ BOOST_FIXTURE_TEST_CASE(wallet_load_verif_crypted_key_checksum, TestingSetup)
{
// Third test case:
// Verify that loading up a 'ckey' with an invalid checksum throws an error.
std::unique_ptr<WalletDatabase> db = get_db(dbs);
{
std::unique_ptr<DatabaseBatch> batch = db->MakeBatch(false);
std::vector<unsigned char> crypted_data;
BOOST_CHECK(batch->Read(std::make_pair(DBKeys::CRYPTED_KEY, first_key.GetPubKey()), crypted_data));
// Write an invalid checksum
std::pair<std::vector<unsigned char>, uint256> value = std::make_pair(crypted_data, uint256::ONE);
const auto key = std::make_pair(DBKeys::CRYPTED_KEY, first_key.GetPubKey());
BOOST_CHECK(batch->Write(key, value, /*fOverwrite=*/true));
}
// Cut off the 32 byte checksum from a ckey record
records[ckey_record_key].resize(ckey_record_value.size() - 32);
// Fill in the checksum space with 0s
records[ckey_record_key].resize(ckey_record_value.size());
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", std::move(db)));
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", CreateMockableWalletDatabase(records)));
BOOST_CHECK_EQUAL(wallet->LoadWallet(), DBErrors::CORRUPT);
}
{
// Fourth test case:
// Verify that loading up a 'ckey' with an invalid pubkey throws an error
std::unique_ptr<WalletDatabase> db = get_db(dbs);
{
CPubKey invalid_key;
BOOST_ASSERT(!invalid_key.IsValid());
const auto key = std::make_pair(DBKeys::CRYPTED_KEY, invalid_key);
std::pair<std::vector<unsigned char>, uint256> value;
BOOST_CHECK(db->MakeBatch(false)->Write(key, value, /*fOverwrite=*/true));
}
CPubKey invalid_key;
BOOST_ASSERT(!invalid_key.IsValid());
SerializeData key = MakeSerializeData(DBKeys::CRYPTED_KEY, invalid_key);
records[key] = ckey_record_value;
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", std::move(db)));
std::shared_ptr<CWallet> wallet(new CWallet(m_node.chain.get(), "", CreateMockableWalletDatabase(records)));
BOOST_CHECK_EQUAL(wallet->LoadWallet(), DBErrors::CORRUPT);
}
}