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Merge pull request #196

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f9822c4 wallet JSON update for non-deterministic wallet data (warptangent)
4c6230d Checking and handling for deterministic vs non-deterministic wallet (warptangent)
1beedb9 Extract check for deterministic keys to wallet2::is_deterministic() (warptangent)
359ede3 indentation (warptangent)
2290eff replace lines with call to recently added print_seed() (warptangent)
This commit is contained in:
Riccardo Spagni 2014-12-08 20:39:26 +02:00
commit ebb117c7b6
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GPG key ID: 55432DF31CCD4FCD
3 changed files with 66 additions and 33 deletions
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59
src/simplewallet/simplewallet.cpp
View file

@ -206,26 +206,27 @@ bool simple_wallet::viewkey(const std::vector<std::string> &args/* = std::vector
bool simple_wallet::seed(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
bool success = false;
std::string electrum_words;
if (m_wallet->get_seed_language().empty())
if (m_wallet->is_deterministic())
{
std::string mnemonic_language = get_mnemonic_language();
m_wallet->set_seed_language(mnemonic_language);
if (m_wallet->get_seed_language().empty())
{
std::string mnemonic_language = get_mnemonic_language();
m_wallet->set_seed_language(mnemonic_language);
}
success = m_wallet->get_seed(electrum_words);
}
bool success = m_wallet->get_seed(electrum_words);
if (success)
{
success_msg_writer(true) << "\nPLEASE NOTE: the following 25 words can be used to recover access to your wallet. Please write them down and store them somewhere safe and secure. Please do not store them in your email or on file storage services outside of your immediate control.\n";
boost::replace_nth(electrum_words, " ", 15, "\n");
boost::replace_nth(electrum_words, " ", 7, "\n");
std::cout << electrum_words << std::endl;
print_seed(electrum_words);
}
else
{
fail_msg_writer() << "The wallet is non-deterministic. Cannot display seed.";
fail_msg_writer() << "The wallet is non-deterministic. Cannot display seed.";
}
return true;
}
@ -511,9 +512,11 @@ bool simple_wallet::new_wallet(const std::string &wallet_file, const std::string
crypto::ElectrumWords::get_is_old_style_seed(m_electrum_seed));
std::string mnemonic_language = old_language;
// Ask for seed language if it is not a wallet restore or if it was a deprecated wallet
// that was earlier used before this restore.
if (!m_restore_deterministic_wallet || was_deprecated_wallet)
// Ask for seed language if:
// it's a deterministic wallet AND
// (it is not a wallet restore OR if it was a deprecated wallet
// that was earlier used before this restore)
if ((!two_random) && (!m_restore_deterministic_wallet || was_deprecated_wallet))
{
if (was_deprecated_wallet)
{
@ -583,18 +586,28 @@ bool simple_wallet::open_wallet(const string &wallet_file, const std::string& pa
<< 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.
if (!m_non_deterministic && m_wallet->is_deprecated())
// NOTE: this is_deprecated() refers to the wallet file format before becoming JSON. It does not refer to the "old english" seed words form of "deprecated" used elsewhere.
if (m_wallet->is_deprecated())
{
message_writer(epee::log_space::console_color_green, false) << "\nYou had been using " <<
"a deprecated version of the wallet. Please proceed to upgrade your wallet.\n";
std::string mnemonic_language = get_mnemonic_language();
m_wallet->set_seed_language(mnemonic_language);
m_wallet->rewrite(m_wallet_file, password);
if (m_wallet->is_deterministic())
{
message_writer(epee::log_space::console_color_green, false) << "\nYou had been using " <<
"a deprecated version of the wallet. Please proceed to upgrade your wallet.\n";
std::string mnemonic_language = get_mnemonic_language();
m_wallet->set_seed_language(mnemonic_language);
m_wallet->rewrite(m_wallet_file, password);
// Display the seed
std::string seed;
m_wallet->get_seed(seed);
print_seed(seed);
// Display the seed
std::string seed;
m_wallet->get_seed(seed);
print_seed(seed);
}
else
{
message_writer(epee::log_space::console_color_green, false) << "\nYou had been using " <<
"a deprecated version of the wallet. Your wallet file format is being upgraded now.\n";
m_wallet->rewrite(m_wallet_file, password);
}
}
}
catch (const std::exception& e)

36
src/wallet/wallet2.cpp
View file

@ -89,8 +89,23 @@ void wallet2::init(const std::string& daemon_address, uint64_t upper_transaction
m_daemon_address = daemon_address;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::is_deterministic()
{
crypto::secret_key second;
keccak((uint8_t *)&get_account().get_keys().m_spend_secret_key, sizeof(crypto::secret_key), (uint8_t *)&second, sizeof(crypto::secret_key));
sc_reduce32((uint8_t *)&second);
bool keys_deterministic = memcmp(second.data,get_account().get_keys().m_view_secret_key.data, sizeof(crypto::secret_key)) == 0;
return keys_deterministic;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::get_seed(std::string& electrum_words)
{
bool keys_deterministic = is_deterministic();
if (!keys_deterministic)
{
std::cout << "This is not a deterministic wallet" << std::endl;
return false;
}
if (seed_language.empty())
{
std::cout << "seed_language not set" << std::endl;
@ -99,12 +114,7 @@ bool wallet2::get_seed(std::string& electrum_words)
crypto::ElectrumWords::bytes_to_words(get_account().get_keys().m_spend_secret_key, electrum_words, seed_language);
crypto::secret_key second;
keccak((uint8_t *)&get_account().get_keys().m_spend_secret_key, sizeof(crypto::secret_key), (uint8_t *)&second, sizeof(crypto::secret_key));
sc_reduce32((uint8_t *)&second);
return memcmp(second.data,get_account().get_keys().m_view_secret_key.data, sizeof(crypto::secret_key)) == 0;
return true;
}
/*!
* \brief Gets the seed language
@ -476,8 +486,11 @@ bool wallet2::store_keys(const std::string& keys_file_name, const std::string& p
rapidjson::Value value(rapidjson::kStringType);
value.SetString(account_data.c_str(), account_data.length());
json.AddMember("key_data", value, json.GetAllocator());
value.SetString(seed_language.c_str(), seed_language.length());
json.AddMember("seed_language", value, json.GetAllocator());
if (!seed_language.empty())
{
value.SetString(seed_language.c_str(), seed_language.length());
json.AddMember("seed_language", value, json.GetAllocator());
}
// Serialize the JSON object
rapidjson::StringBuffer buffer;
@ -543,8 +556,11 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
{
account_data = std::string(json["key_data"].GetString(), json["key_data"].GetString() +
json["key_data"].GetStringLength());
set_seed_language(std::string(json["seed_language"].GetString(), json["seed_language"].GetString() +
json["seed_language"].GetStringLength()));
if (json.HasMember("seed_language"))
{
set_seed_language(std::string(json["seed_language"].GetString(), json["seed_language"].GetString() +
json["seed_language"].GetStringLength()));
}
}
const cryptonote::account_keys& keys = m_account.get_keys();

4
src/wallet/wallet2.h
View file

@ -168,6 +168,10 @@ namespace tools
i_wallet2_callback* callback() const { return m_callback; }
void callback(i_wallet2_callback* callback) { m_callback = callback; }
/*!
* \brief Checks if deterministic wallet
*/
bool is_deterministic();
bool get_seed(std::string& electrum_words);
/*!
* \brief Gets the seed language