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simplewallet: add a new --restore-from-keys option

Browse Source 
It is similar in use to --restore-from-view-key, but also expects
a spend private key.

Requested by luigi1112, and useful to restore MyMonero wallets.
This commit is contained in:
moneromooo-monero 2016-02-22 22:10:55 +00:00
parent 3860feecb8
commit 4513b4cd2b
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
6 changed files with 157 additions and 6 deletions
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10
src/cryptonote_core/account.cpp
View File

@ -93,9 +93,10 @@ DISABLE_VS_WARNINGS(4244 4345)
return first;
}
//-----------------------------------------------------------------
void account_base::create_from_viewkey(const cryptonote::account_public_address& address, const crypto::secret_key& viewkey)
void account_base::create_from_keys(const cryptonote::account_public_address& address, const crypto::secret_key& spendkey, const crypto::secret_key& viewkey)
{
m_keys.m_account_address = address;
m_keys.m_spend_secret_key = spendkey;
m_keys.m_view_secret_key = viewkey;
struct tm timestamp;
@ -109,6 +110,13 @@ DISABLE_VS_WARNINGS(4244 4345)
m_creation_timestamp = mktime(&timestamp);
}
//-----------------------------------------------------------------
void account_base::create_from_viewkey(const cryptonote::account_public_address& address, const crypto::secret_key& viewkey)
{
crypto::secret_key fake;
memset(&fake, 0, sizeof(fake));
create_from_keys(address, fake, viewkey);
}
//-----------------------------------------------------------------
const account_keys& account_base::get_keys() const
{
return m_keys;

1
src/cryptonote_core/account.h
View File

@ -58,6 +58,7 @@ namespace cryptonote
public:
account_base();
crypto::secret_key generate(const crypto::secret_key& recovery_key = crypto::secret_key(), bool recover = false, bool two_random = false);
void create_from_keys(const cryptonote::account_public_address& address, const crypto::secret_key& spendkey, const crypto::secret_key& viewkey);
void create_from_viewkey(const cryptonote::account_public_address& address, const crypto::secret_key& viewkey);
const account_keys& get_keys() const;
std::string get_public_address_str(bool testnet) const;

104
src/simplewallet/simplewallet.cpp
View File

@ -82,6 +82,7 @@ namespace
const command_line::arg_descriptor<std::string> arg_wallet_file = {"wallet-file", sw::tr("Use wallet <arg>"), ""};
const command_line::arg_descriptor<std::string> arg_generate_new_wallet = {"generate-new-wallet", sw::tr("Generate new wallet and save it to <arg> or <address>.wallet by default"), ""};
const command_line::arg_descriptor<std::string> arg_generate_from_view_key = {"generate-from-view-key", sw::tr("Generate incoming-only wallet from (address:viewkey:filename) and save it to <filename>"), ""};
const command_line::arg_descriptor<std::string> arg_generate_from_keys = {"generate-from-keys", sw::tr("Generate wallet from (address:spendkey:viewkey:filename) and save it to <filename>"), ""};
const command_line::arg_descriptor<std::string> arg_daemon_address = {"daemon-address", sw::tr("Use daemon instance at <host>:<port>"), ""};
const command_line::arg_descriptor<std::string> arg_daemon_host = {"daemon-host", sw::tr("Use daemon instance at host <arg> instead of localhost"), ""};
const command_line::arg_descriptor<std::string> arg_password = {"password", sw::tr("Wallet password"), "", true};
@ -716,7 +717,7 @@ bool simple_wallet::ask_wallet_create_if_needed()
// add logic to error out if new wallet requested but named wallet file exists
if (keys_file_exists || wallet_file_exists)
{
if (!m_generate_new.empty() || m_restore_deterministic_wallet || !m_generate_from_view_key.empty())
if (!m_generate_new.empty() || m_restore_deterministic_wallet || !m_generate_from_view_key.empty() || !m_generate_from_keys.empty())
{
fail_msg_writer() << tr("attempting to generate or restore wallet, but specified file(s) exist. Exiting to not risk overwriting.");
return false;
@ -772,12 +773,12 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
return false;
}
if((!m_generate_new.empty()) + (!m_wallet_file.empty()) + (!m_generate_from_view_key.empty()) > 1)
if((!m_generate_new.empty()) + (!m_wallet_file.empty()) + (!m_generate_from_view_key.empty()) + (!m_generate_from_keys.empty()) > 1)
{
fail_msg_writer() << tr("can't specify more than one of --generate-new-wallet=\"wallet_name\", --wallet-file=\"wallet_name\" and --generate-from-view-key");
fail_msg_writer() << tr("can't specify more than one of --generate-new-wallet=\"wallet_name\", --wallet-file=\"wallet_name\", --generate-from-view-key and --generate-from-keys");
return false;
}
else if (m_generate_new.empty() && m_wallet_file.empty() && m_generate_from_view_key.empty())
else if (m_generate_new.empty() && m_wallet_file.empty() && m_generate_from_view_key.empty() && m_generate_from_keys.empty())
{
if(!ask_wallet_create_if_needed()) return false;
}
@ -832,7 +833,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
}
}
if (!m_generate_new.empty() || m_restore_deterministic_wallet || !m_generate_from_view_key.empty())
if (!m_generate_new.empty() || m_restore_deterministic_wallet || !m_generate_from_view_key.empty() || !m_generate_from_keys.empty())
{
if (m_wallet_file.empty()) m_wallet_file = m_generate_new; // alias for simplicity later
@ -911,6 +912,72 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
bool r = new_wallet(m_wallet_file, pwd_container.password(), address, viewkey, testnet);
CHECK_AND_ASSERT_MES(r, false, tr("account creation failed"));
}
else if (!m_generate_from_keys.empty())
{
// split address:spendkey:viewkey:filename triple
std::vector<std::string> parts;
boost::split(parts,m_generate_from_keys, boost::is_any_of(":"));
if (parts.size() < 4)
{
fail_msg_writer() << tr("--generate-from-keys needs a address:spendkey:viewkey:filename quadruplet");
return false;
}
// parse address
cryptonote::account_public_address address;
bool has_payment_id;
crypto::hash8 new_payment_id;
if(!get_account_integrated_address_from_str(address, has_payment_id, new_payment_id, testnet, parts[0]))
{
fail_msg_writer() << tr("failed to parse address");
return false;
}
// parse spend secret key
cryptonote::blobdata spendkey_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(parts[1], spendkey_data))
{
fail_msg_writer() << tr("failed to parse spend key secret key");
return false;
}
crypto::secret_key spendkey = *reinterpret_cast<const crypto::secret_key*>(spendkey_data.data());
// parse view secret key
cryptonote::blobdata viewkey_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(parts[2], viewkey_data))
{
fail_msg_writer() << tr("failed to parse view key secret key");
return false;
}
crypto::secret_key viewkey = *reinterpret_cast<const crypto::secret_key*>(viewkey_data.data());
// parse filename
m_wallet_file = parts[3];
for (size_t n = 4; n < parts.size(); ++n)
m_wallet_file += std::string(":") + parts[n];
// check the spend and view keys match the given address
crypto::public_key pkey;
if (!crypto::secret_key_to_public_key(spendkey, pkey)) {
fail_msg_writer() << tr("failed to verify spend key secret key");
return false;
}
if (address.m_spend_public_key != pkey) {
fail_msg_writer() << tr("spend key does not match standard address");
return false;
}
if (!crypto::secret_key_to_public_key(viewkey, pkey)) {
fail_msg_writer() << tr("failed to verify view key secret key");
return false;
}
if (address.m_view_public_key != pkey) {
fail_msg_writer() << tr("view key does not match standard address");
return false;
}
bool r = new_wallet(m_wallet_file, pwd_container.password(), address, spendkey, viewkey, testnet);
CHECK_AND_ASSERT_MES(r, false, tr("account creation failed"));
}
else
{
bool r = new_wallet(m_wallet_file, pwd_container.password(), m_recovery_key, m_restore_deterministic_wallet,
@ -940,6 +1007,7 @@ bool simple_wallet::handle_command_line(const boost::program_options::variables_
m_wallet_file = command_line::get_arg(vm, arg_wallet_file);
m_generate_new = command_line::get_arg(vm, arg_generate_new_wallet);
m_generate_from_view_key = command_line::get_arg(vm, arg_generate_from_view_key);
m_generate_from_keys = command_line::get_arg(vm, arg_generate_from_keys);
m_daemon_address = command_line::get_arg(vm, arg_daemon_address);
m_daemon_host = command_line::get_arg(vm, arg_daemon_host);
m_daemon_port = command_line::get_arg(vm, arg_daemon_port);
@ -1098,6 +1166,31 @@ bool simple_wallet::new_wallet(const std::string &wallet_file, const std::string
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::new_wallet(const std::string &wallet_file, const std::string& password, const cryptonote::account_public_address& address,
const crypto::secret_key& spendkey, const crypto::secret_key& viewkey, bool testnet)
{
m_wallet_file = wallet_file;
m_wallet.reset(new tools::wallet2(testnet));
m_wallet->callback(this);
try
{
m_wallet->generate(wallet_file, password, address, spendkey, viewkey);
message_writer(epee::log_space::console_color_white, true) << tr("Generated new wallet: ")
<< m_wallet->get_account().get_public_address_str(m_wallet->testnet());
}
catch (const std::exception& e)
{
fail_msg_writer() << tr("failed to generate new wallet: ") << e.what();
return false;
}
m_wallet->init(m_daemon_address);
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::open_wallet(const string &wallet_file, const std::string& password, bool testnet)
{
if (!tools::wallet2::wallet_valid_path_format(wallet_file))
@ -2466,6 +2559,7 @@ int main(int argc, char* argv[])
command_line::add_arg(desc_params, arg_wallet_file);
command_line::add_arg(desc_params, arg_generate_new_wallet);
command_line::add_arg(desc_params, arg_generate_from_view_key);
command_line::add_arg(desc_params, arg_generate_from_keys);
command_line::add_arg(desc_params, arg_password);
command_line::add_arg(desc_params, arg_password_file);
command_line::add_arg(desc_params, arg_daemon_address);

3
src/simplewallet/simplewallet.h
View File

@ -82,6 +82,8 @@ namespace cryptonote
bool new_wallet(const std::string &wallet_file, const std::string& password, const crypto::secret_key& recovery_key,
bool recover, bool two_random, bool testnet, const std::string &old_language);
bool new_wallet(const std::string &wallet_file, const std::string& password, const cryptonote::account_public_address& address,
const crypto::secret_key& spendkey, const crypto::secret_key& viewkey, bool testnet);
bool new_wallet(const std::string &wallet_file, const std::string& password, const cryptonote::account_public_address& address,
const crypto::secret_key& viewkey, bool testnet);
bool open_wallet(const std::string &wallet_file, const std::string& password, bool testnet);
@ -218,6 +220,7 @@ namespace cryptonote
std::string m_wallet_file;
std::string m_generate_new;
std::string m_generate_from_view_key;
std::string m_generate_from_keys;
std::string m_import_path;
std::string m_electrum_seed; // electrum-style seed parameter

35
src/wallet/wallet2.cpp
View File

@ -1185,6 +1185,41 @@ void wallet2::generate(const std::string& wallet_, const std::string& password,
store();
}
/*!
* \brief Creates a wallet from a public address and a spend/view secret key pair.
* \param wallet_ Name of wallet file
* \param password Password of wallet file
* \param spendkey spend secret key
* \param viewkey view secret key
*/
void wallet2::generate(const std::string& wallet_, const std::string& password,
const cryptonote::account_public_address &account_public_address,
const crypto::secret_key& spendkey, const crypto::secret_key& viewkey)
{
clear();
prepare_file_names(wallet_);
boost::system::error_code ignored_ec;
THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_wallet_file, ignored_ec), error::file_exists, m_wallet_file);
THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_keys_file, ignored_ec), error::file_exists, m_keys_file);
m_account.create_from_keys(account_public_address, spendkey, viewkey);
m_account_public_address = account_public_address;
m_watch_only = false;
bool r = store_keys(m_keys_file, password, true);
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));
if(!r) LOG_PRINT_RED_L0("String with address text not saved");
cryptonote::block b;
generate_genesis(b);
m_blockchain.push_back(get_block_hash(b));
store();
}
/*!
* \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)

10
src/wallet/wallet2.h
View File

@ -184,6 +184,16 @@ namespace tools
crypto::secret_key generate(const std::string& wallet, const std::string& password,
const crypto::secret_key& recovery_param = crypto::secret_key(), bool recover = false,
bool two_random = false);
/*!
* \brief Creates a wallet from a public address and a spend/view secret key pair.
* \param wallet_ Name of wallet file
* \param password Password of wallet file
* \param viewkey view secret key
* \param spendkey spend secret key
*/
void generate(const std::string& wallet, const std::string& password,
const cryptonote::account_public_address &account_public_address,
const crypto::secret_key& spendkey, const crypto::secret_key& viewkey);
/*!
* \brief Creates a watch only wallet from a public address and a view secret key.
* \param wallet_ Name of wallet file