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Merge pull request #303

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c882af6 wallet: add watch only wallet support (moneromooo-monero)
f7767c6 account: add a forget_spend_key method (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2015-06-11 10:26:58 +02:00
commit 5bee2d2edf
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GPG key ID: 55432DF31CCD4FCD
6 changed files with 91 additions and 7 deletions
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5
src/cryptonote_core/account.cpp
View file

@ -59,6 +59,11 @@ DISABLE_VS_WARNINGS(4244 4345)
m_keys = account_keys();
}
//-----------------------------------------------------------------
void account_base::forget_spend_key()
{
m_keys.m_spend_secret_key = crypto::secret_key();
}
//-----------------------------------------------------------------
crypto::secret_key account_base::generate(const crypto::secret_key& recovery_key, bool recover, bool two_random)
{
crypto::secret_key first = generate_keys(m_keys.m_account_address.m_spend_public_key, m_keys.m_spend_secret_key, recovery_key, recover);

2
src/cryptonote_core/account.h
View file

@ -67,6 +67,8 @@ namespace cryptonote
bool load(const std::string& file_path);
bool store(const std::string& file_path);
void forget_spend_key();
template <class t_archive>
inline void serialize(t_archive &a, const unsigned int /*ver*/)
{

40
src/simplewallet/simplewallet.cpp
View file

@ -299,6 +299,7 @@ simple_wallet::simple_wallet()
m_cmd_binder.set_handler("set_log", boost::bind(&simple_wallet::set_log, this, _1), "set_log <level> - Change current log detalization level, <level> is a number 0-4");
m_cmd_binder.set_handler("address", boost::bind(&simple_wallet::print_address, this, _1), "Show current wallet public address");
m_cmd_binder.set_handler("save", boost::bind(&simple_wallet::save, this, _1), "Save wallet synchronized data");
m_cmd_binder.set_handler("save_watch_only", boost::bind(&simple_wallet::save_watch_only, this, _1), "Save watch only keys file");
m_cmd_binder.set_handler("viewkey", boost::bind(&simple_wallet::viewkey, this, _1), "Get viewkey");
m_cmd_binder.set_handler("spendkey", boost::bind(&simple_wallet::spendkey, this, _1), "Get spendkey");
m_cmd_binder.set_handler("seed", boost::bind(&simple_wallet::seed, this, _1), "Get deterministic seed");
@ -680,7 +681,8 @@ bool simple_wallet::open_wallet(const string &wallet_file, const std::string& pa
try
{
m_wallet->load(m_wallet_file, password);
message_writer(epee::log_space::console_color_white, true) << "Opened wallet: "
std::string wallet_type = m_wallet->watch_only() ? "watch-only wallet" : "wallet";
message_writer(epee::log_space::console_color_white, true) << "Opened " << wallet_type << ": "
<< m_wallet->get_account().get_public_address_str(m_wallet->testnet());
// If the wallet file is deprecated, we should ask for mnemonic language again and store
// everything in the new format.
@ -760,6 +762,30 @@ bool simple_wallet::save(const std::vector<std::string> &args)
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::save_watch_only(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
bool success = false;
tools::password_container pwd_container;
success = pwd_container.read_password();
if (!success)
{
fail_msg_writer() << "failed to read wallet password";
return true;
}
/* verify password before using so user doesn't accidentally set a new password for rewritten wallet */
success = m_wallet->verify_password(pwd_container.password());
if (!success)
{
fail_msg_writer() << "invalid password";
return true;
}
m_wallet->write_watch_only_wallet(m_wallet_file, pwd_container.password());
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::start_mining(const std::vector<std::string>& args)
{
@ -1104,6 +1130,12 @@ bool simple_wallet::transfer(const std::vector<std::string> &args_)
return true;
}
if(m_wallet->watch_only())
{
fail_msg_writer() << "This is a watch only wallet";
return true;
}
std::vector<uint8_t> extra;
if (1 == local_args.size() % 2)
{
@ -1316,6 +1348,12 @@ bool simple_wallet::sweep_dust(const std::vector<std::string> &args_)
if (!try_connect_to_daemon())
return true;
if(m_wallet->watch_only())
{
fail_msg_writer() << "This is a watch only wallet";
return true;
}
try
{
uint64_t total_dust = m_wallet->unlocked_dust_balance(tools::tx_dust_policy(::config::DEFAULT_DUST_THRESHOLD));

1
src/simplewallet/simplewallet.h
View file

@ -109,6 +109,7 @@ namespace cryptonote
);
bool print_address(const std::vector<std::string> &args = std::vector<std::string>());
bool save(const std::vector<std::string> &args);
bool save_watch_only(const std::vector<std::string> &args);
bool set_variable(const std::vector<std::string> &args);
bool set_log(const std::vector<std::string> &args);

44
src/wallet/wallet2.cpp
View file

@ -472,12 +472,17 @@ bool wallet2::clear()
* \brief Stores wallet information to wallet file.
* \param keys_file_name Name of wallet file
* \param password Password of wallet file
* \param watch_only true to save only view key, false to save both spend and view keys
* \return Whether it was successful.
*/
bool wallet2::store_keys(const std::string& keys_file_name, const std::string& password)
bool wallet2::store_keys(const std::string& keys_file_name, const std::string& password, bool watch_only)
{
std::string account_data;
bool r = epee::serialization::store_t_to_binary(m_account, account_data);
cryptonote::account_base account = m_account;
if (watch_only)
account.forget_spend_key();
bool r = epee::serialization::store_t_to_binary(account, account_data);
CHECK_AND_ASSERT_MES(r, false, "failed to serialize wallet keys");
wallet2::keys_file_data keys_file_data = boost::value_initialized<wallet2::keys_file_data>();
@ -493,6 +498,10 @@ bool wallet2::store_keys(const std::string& keys_file_name, const std::string& p
json.AddMember("seed_language", value, json.GetAllocator());
}
rapidjson::Value value2(rapidjson::kNumberType);
value2.SetInt(watch_only ? 1 :0); // WTF ? JSON has different true and false types, and not boolean ??
json.AddMember("watch_only", value2, json.GetAllocator());
// Serialize the JSON object
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
@ -552,6 +561,7 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
if (json.Parse(account_data.c_str(), keys_file_data.account_data.size()).HasParseError())
{
is_old_file_format = true;
m_watch_only = false;
}
else
{
@ -562,12 +572,21 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
set_seed_language(std::string(json["seed_language"].GetString(), json["seed_language"].GetString() +
json["seed_language"].GetStringLength()));
}
if (json.HasMember("watch_only"))
{
m_watch_only = json["watch_only"].GetInt() != 0;
}
else
{
m_watch_only = false;
}
}
const cryptonote::account_keys& keys = m_account.get_keys();
r = epee::serialization::load_t_from_binary(m_account, account_data);
r = r && verify_keys(keys.m_view_secret_key, keys.m_account_address.m_view_public_key);
r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spend_public_key);
if(!m_watch_only)
r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spend_public_key);
THROW_WALLET_EXCEPTION_IF(!r, error::invalid_password);
}
@ -642,7 +661,7 @@ crypto::secret_key wallet2::generate(const std::string& wallet_, const std::stri
m_account_public_address = m_account.get_keys().m_account_address;
bool r = store_keys(m_keys_file, password);
bool r = store_keys(m_keys_file, password, false);
THROW_WALLET_EXCEPTION_IF(!r, error::file_save_error, m_keys_file);
r = file_io_utils::save_string_to_file(m_wallet_file + ".address.txt", m_account.get_public_address_str(m_testnet));
@ -666,9 +685,24 @@ void wallet2::rewrite(const std::string& wallet_name, const std::string& passwor
prepare_file_names(wallet_name);
boost::system::error_code ignored_ec;
THROW_WALLET_EXCEPTION_IF(!boost::filesystem::exists(m_keys_file, ignored_ec), error::file_not_found, m_keys_file);
bool r = store_keys(m_keys_file, password);
bool r = store_keys(m_keys_file, password, false);
THROW_WALLET_EXCEPTION_IF(!r, error::file_save_error, m_keys_file);
}
/*!
* \brief Rewrites to the wallet file for wallet upgrade (doesn't generate key, assumes it's already there)
* \param wallet_name Name of wallet file (should exist)
* \param password Password for wallet file
*/
void wallet2::write_watch_only_wallet(const std::string& wallet_name, const std::string& password)
{
prepare_file_names(wallet_name);
boost::system::error_code ignored_ec;
std::string filename = m_keys_file + "-watchonly";
bool watch_only_keys_file_exists = boost::filesystem::exists(filename, ignored_ec);
THROW_WALLET_EXCEPTION_IF(watch_only_keys_file_exists, error::file_save_error, filename);
bool r = store_keys(filename, password, true);
THROW_WALLET_EXCEPTION_IF(!r, error::file_save_error, filename);
}
//----------------------------------------------------------------------------------------------------
void wallet2::wallet_exists(const std::string& file_path, bool& keys_file_exists, bool& wallet_file_exists)
{

6
src/wallet/wallet2.h
View file

@ -151,6 +151,7 @@ namespace tools
* \param password Password for wallet file
*/
void rewrite(const std::string& wallet_name, const std::string& password);
void write_watch_only_wallet(const std::string& wallet_name, const std::string& password);
void load(const std::string& wallet, const std::string& password);
void store();
@ -198,6 +199,7 @@ namespace tools
bool testnet() const { return m_testnet; }
bool restricted() const { return m_restricted; }
bool watch_only() const { return m_watch_only; }
uint64_t balance() const;
uint64_t unlocked_balance() const;
@ -260,9 +262,10 @@ namespace tools
* \brief Stores wallet information to wallet file.
* \param keys_file_name Name of wallet file
* \param password Password of wallet file
* \param watch_only true to save only view key, false to save both spend and view keys
* \return Whether it was successful.
*/
bool store_keys(const std::string& keys_file_name, const std::string& password);
bool store_keys(const std::string& keys_file_name, const std::string& password, bool watch_only = false);
/*!
* \brief Load wallet information from wallet file.
* \param keys_file_name Name of wallet file
@ -306,6 +309,7 @@ namespace tools
bool m_restricted;
std::string seed_language; /*!< Language of the mnemonics (seed). */
bool is_old_file_format; /*!< Whether the wallet file is of an old file format */
bool m_watch_only; /*!< no spend key */
};
}
BOOST_CLASS_VERSION(tools::wallet2, 7)