// Copyright (c) 2014-2020, The Monero Project
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#include "gtest/gtest.h"

#include "cryptonote_basic/account.h"
#include "ringct/rctOps.h"

// Tests in-memory encryption of account secret keys
TEST(account, encrypt_keys)
{
  // Generate account keys and random multisig keys
  cryptonote::keypair recovery_key = cryptonote::keypair::generate(hw::get_device("default"));
  cryptonote::account_base account;
  crypto::secret_key key = account.generate(recovery_key.sec);

  const size_t n_multisig = 4;
  std::vector<crypto::secret_key> multisig_keys;
  multisig_keys.reserve(n_multisig);
  multisig_keys.resize(0);
  for (size_t i = 0; i < n_multisig; ++i)
  {
    multisig_keys.push_back(rct::rct2sk(rct::skGen()));
  }
  ASSERT_TRUE(account.make_multisig(account.get_keys().m_view_secret_key, account.get_keys().m_spend_secret_key, account.get_keys().m_account_address.m_spend_public_key, multisig_keys));

  const cryptonote::account_keys keys = account.get_keys();
  ASSERT_EQ(keys.m_multisig_keys.size(),n_multisig);

  // Encrypt and decrypt keys
  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_EQ(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_EQ(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_EQ(account.get_keys().m_multisig_keys, keys.m_multisig_keys);

  crypto::chacha_key chacha_key;
  crypto::generate_chacha_key(&recovery_key, sizeof(recovery_key), chacha_key, 1);

  account.encrypt_keys(chacha_key);

  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_NE(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_NE(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_NE(account.get_keys().m_multisig_keys, keys.m_multisig_keys);

  account.decrypt_viewkey(chacha_key);

  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_NE(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_EQ(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_NE(account.get_keys().m_multisig_keys, keys.m_multisig_keys);

  account.encrypt_viewkey(chacha_key);

  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_NE(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_NE(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_NE(account.get_keys().m_multisig_keys, keys.m_multisig_keys);

  account.decrypt_viewkey(chacha_key);

  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_NE(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_EQ(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_NE(account.get_keys().m_multisig_keys, keys.m_multisig_keys);

  account.encrypt_viewkey(chacha_key);

  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_NE(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_NE(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_NE(account.get_keys().m_multisig_keys, keys.m_multisig_keys);

  account.decrypt_keys(chacha_key);

  ASSERT_EQ(account.get_keys().m_account_address, keys.m_account_address);
  ASSERT_EQ(account.get_keys().m_spend_secret_key, keys.m_spend_secret_key);
  ASSERT_EQ(account.get_keys().m_view_secret_key, keys.m_view_secret_key);
  ASSERT_EQ(account.get_keys().m_multisig_keys, keys.m_multisig_keys);
}