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#include "gtest/gtest.h"

#include "cryptonote_basic/account.h"


#include "cryptonote_basic/cryptonote_basic_impl.h"
#include "cryptonote_basic/cryptonote_basic.h"
#include "cryptonote_basic/subaddress_index.h"
#include "cryptonote_basic/cryptonote_format_utils.h"

#include "string_tools.h"

using namespace cryptonote;

TEST(account, encrypt_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 cryptonote::account_keys keys = account.get_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);

  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);

  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);

  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);
}


TEST(account, derive_output_key)
{
  const std::string secret_view = "";
  const std::string addr = "";
  address_parse_info address_info;
  bool ok = get_account_address_from_str(address_info, network_type::MAINNET, addr);
  ASSERT_TRUE(ok);

  std::unordered_map<crypto::public_key, subaddress_index> subaddresses = {{
    {address_info.address.m_spend_public_key, {0, 0}},
  }};

  // derive keys
  std::vector<std::pair<crypto::public_key, crypto::public_key>> txkeys;
  for (size_t i = 0; i < 16; i++) {
    // tx key
    keypair txkey = keypair::generate(hw::get_device("default"));

    crypto::key_derivation derivation = AUTO_VAL_INIT(derivation);
    crypto::public_key out_eph_public_key = AUTO_VAL_INIT(out_eph_public_key);
    ok = crypto::generate_key_derivation(address_info.address.m_view_public_key, txkey.sec, derivation);
    ASSERT_TRUE(ok);

    ok = crypto::derive_public_key(derivation, 0, address_info.address.m_spend_public_key, out_eph_public_key);
    ASSERT_TRUE(ok);

    txkeys.push_back({txkey.pub, out_eph_public_key});
  }

  // validate we can receive them
  crypto::secret_key secret_view_key;
  epee::string_tools::hex_to_pod(secret_view, secret_view_key);
  size_t i = 0;
  for (const auto& txkey : txkeys) {
    crypto::key_derivation derivation;
    hw::device *hw = &hw::get_device("default");

    ASSERT_TRUE(hw->generate_key_derivation(txkey.first, secret_view_key, derivation));
    ASSERT_TRUE(is_out_to_acc_precomp(subaddresses, txkey.second, derivation, std::vector<crypto::key_derivation>(), 0, *hw, boost::none));
    i++;
  }

}