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wallet2.cpp
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// Copyright (c) 2014-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
#include <numeric>
#include <random>
#include <tuple>
#include <boost/format.hpp>
#include <boost/optional/optional.hpp>
#include <boost/utility/value_init.hpp>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/split.hpp>
#include "include_base_utils.h"
using namespace epee;
#include "cryptonote_config.h"
#include "wallet2.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "rpc/core_rpc_server_commands_defs.h"
#include "misc_language.h"
#include "cryptonote_basic/cryptonote_basic_impl.h"
#include "multisig/multisig.h"
#include "common/boost_serialization_helper.h"
#include "common/command_line.h"
#include "common/threadpool.h"
#include "profile_tools.h"
#include "crypto/crypto.h"
#include "serialization/binary_utils.h"
#include "serialization/string.h"
#include "cryptonote_basic/blobdatatype.h"
#include "mnemonics/electrum-words.h"
#include "common/i18n.h"
#include "common/util.h"
#include "common/apply_permutation.h"
#include "rapidjson/document.h"
#include "rapidjson/writer.h"
#include "rapidjson/stringbuffer.h"
#include "common/json_util.h"
#include "memwipe.h"
#include "common/base58.h"
#include "ringct/rctSigs.h"
extern "C"
{
#include "crypto/keccak.h"
#include "crypto/crypto-ops.h"
}
using namespace std;
using namespace crypto;
using namespace cryptonote;
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "wallet.wallet2"
// used to choose when to stop adding outputs to a tx
#define APPROXIMATE_INPUT_BYTES 80
// used to target a given block size (additional outputs may be added on top to build fee)
#define TX_SIZE_TARGET(bytes) (bytes*2/3)
// arbitrary, used to generate different hashes from the same input
#define CHACHA8_KEY_TAIL 0x8c
#define UNSIGNED_TX_PREFIX "Monero unsigned tx set\004"
#define SIGNED_TX_PREFIX "Monero signed tx set\004"
#define MULTISIG_UNSIGNED_TX_PREFIX "Monero multisig unsigned tx set\001"
#define RECENT_OUTPUT_RATIO (0.5) // 50% of outputs are from the recent zone
#define RECENT_OUTPUT_ZONE ((time_t)(1.8 * 86400)) // last 1.8 day makes up the recent zone (taken from monerolink.pdf, Miller et al)
#define FEE_ESTIMATE_GRACE_BLOCKS 10 // estimate fee valid for that many blocks
#define SECOND_OUTPUT_RELATEDNESS_THRESHOLD 0.0f
#define SUBADDRESS_LOOKAHEAD_MAJOR 50
#define SUBADDRESS_LOOKAHEAD_MINOR 200
#define KEY_IMAGE_EXPORT_FILE_MAGIC "Monero key image export\002"
#define MULTISIG_EXPORT_FILE_MAGIC "Monero multisig export\001"
namespace
{
// Create on-demand to prevent static initialization order fiasco issues.
struct options {
const command_line::arg_descriptor<std::string> daemon_address = {"daemon-address", tools::wallet2::tr("Use daemon instance at <host>:<port>"), ""};
const command_line::arg_descriptor<std::string> daemon_host = {"daemon-host", tools::wallet2::tr("Use daemon instance at host <arg> instead of localhost"), ""};
const command_line::arg_descriptor<std::string> password = {"password", tools::wallet2::tr("Wallet password (escape/quote as needed)"), "", true};
const command_line::arg_descriptor<std::string> password_file = {"password-file", tools::wallet2::tr("Wallet password file"), "", true};
const command_line::arg_descriptor<int> daemon_port = {"daemon-port", tools::wallet2::tr("Use daemon instance at port <arg> instead of 18081"), 0};
const command_line::arg_descriptor<std::string> daemon_login = {"daemon-login", tools::wallet2::tr("Specify username[:password] for daemon RPC client"), "", true};
const command_line::arg_descriptor<bool> testnet = {"testnet", tools::wallet2::tr("For testnet. Daemon must also be launched with --testnet flag"), false};
const command_line::arg_descriptor<bool> stagenet = {"stagenet", tools::wallet2::tr("For stagenet. Daemon must also be launched with --stagenet flag"), false};
const command_line::arg_descriptor<bool> restricted = {"restricted-rpc", tools::wallet2::tr("Restricts to view-only commands"), false};
};
void do_prepare_file_names(const std::string& file_path, std::string& keys_file, std::string& wallet_file)
{
keys_file = file_path;
wallet_file = file_path;
boost::system::error_code e;
if(string_tools::get_extension(keys_file) == "keys")
{//provided keys file name
wallet_file = string_tools::cut_off_extension(wallet_file);
}else
{//provided wallet file name
keys_file += ".keys";
}
}
uint64_t calculate_fee(uint64_t fee_per_kb, size_t bytes, uint64_t fee_multiplier)
{
uint64_t kB = (bytes + 1023) / 1024;
return kB * fee_per_kb * fee_multiplier;
}
uint64_t calculate_fee(uint64_t fee_per_kb, const cryptonote::blobdata &blob, uint64_t fee_multiplier)
{
return calculate_fee(fee_per_kb, blob.size(), fee_multiplier);
}
std::string get_size_string(size_t sz)
{
return std::to_string(sz) + " bytes (" + std::to_string((sz + 1023) / 1024) + " kB)";
}
std::string get_size_string(const cryptonote::blobdata &tx)
{
return get_size_string(tx.size());
}
std::unique_ptr<tools::wallet2> make_basic(const boost::program_options::variables_map& vm, const options& opts, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter)
{
const bool testnet = command_line::get_arg(vm, opts.testnet);
const bool stagenet = command_line::get_arg(vm, opts.stagenet);
const bool restricted = command_line::get_arg(vm, opts.restricted);
auto daemon_address = command_line::get_arg(vm, opts.daemon_address);
auto daemon_host = command_line::get_arg(vm, opts.daemon_host);
auto daemon_port = command_line::get_arg(vm, opts.daemon_port);
THROW_WALLET_EXCEPTION_IF(!daemon_address.empty() && !daemon_host.empty() && 0 != daemon_port,
tools::error::wallet_internal_error, tools::wallet2::tr("can't specify daemon host or port more than once"));
boost::optional<epee::net_utils::http::login> login{};
if (command_line::has_arg(vm, opts.daemon_login))
{
auto parsed = tools::login::parse(
command_line::get_arg(vm, opts.daemon_login), false, [password_prompter](bool verify) {
return password_prompter("Daemon client password", verify);
}
);
if (!parsed)
return nullptr;
login.emplace(std::move(parsed->username), std::move(parsed->password).password());
}
if (daemon_host.empty())
daemon_host = "localhost";
if (!daemon_port)
{
daemon_port = testnet ? config::testnet::RPC_DEFAULT_PORT : stagenet ? config::stagenet::RPC_DEFAULT_PORT : config::RPC_DEFAULT_PORT;
}
if (daemon_address.empty())
daemon_address = std::string("http://") + daemon_host + ":" + std::to_string(daemon_port);
std::unique_ptr<tools::wallet2> wallet(new tools::wallet2(testnet ? TESTNET : stagenet ? STAGENET : MAINNET, restricted));
wallet->init(std::move(daemon_address), std::move(login));
return wallet;
}
boost::optional<tools::password_container> get_password(const boost::program_options::variables_map& vm, const options& opts, const std::function<boost::optional<tools::password_container>(const char*, bool)> &password_prompter, const bool verify)
{
if (command_line::has_arg(vm, opts.password) && command_line::has_arg(vm, opts.password_file))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("can't specify more than one of --password and --password-file"));
}
if (command_line::has_arg(vm, opts.password))
{
return tools::password_container{command_line::get_arg(vm, opts.password)};
}
if (command_line::has_arg(vm, opts.password_file))
{
std::string password;
bool r = epee::file_io_utils::load_file_to_string(command_line::get_arg(vm, opts.password_file),
password);
THROW_WALLET_EXCEPTION_IF(!r, tools::error::wallet_internal_error, tools::wallet2::tr("the password file specified could not be read"));
// Remove line breaks the user might have inserted
boost::trim_right_if(password, boost::is_any_of("\r\n"));
return {tools::password_container{std::move(password)}};
}
THROW_WALLET_EXCEPTION_IF(!password_prompter, tools::error::wallet_internal_error, tools::wallet2::tr("no password specified; use --prompt-for-password to prompt for a password"));
return password_prompter(verify ? tr("Enter a new password for the wallet") : tr("Wallet password"), verify);
}
std::unique_ptr<tools::wallet2> generate_from_json(const std::string& json_file, const boost::program_options::variables_map& vm, const options& opts, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter)
{
const bool testnet = command_line::get_arg(vm, opts.testnet);
const bool stagenet = command_line::get_arg(vm, opts.stagenet);
const network_type nettype = testnet ? TESTNET : stagenet ? STAGENET : MAINNET;
/* GET_FIELD_FROM_JSON_RETURN_ON_ERROR Is a generic macro that can return
false. Gcc will coerce this into unique_ptr(nullptr), but clang correctly
fails. This large wrapper is for the use of that macro */
std::unique_ptr<tools::wallet2> wallet;
const auto do_generate = [&]() -> bool {
std::string buf;
if (!epee::file_io_utils::load_file_to_string(json_file, buf)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, std::string(tools::wallet2::tr("Failed to load file ")) + json_file);
return false;
}
rapidjson::Document json;
if (json.Parse(buf.c_str()).HasParseError()) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("Failed to parse JSON"));
return false;
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, version, unsigned, Uint, true, 0);
const int current_version = 1;
THROW_WALLET_EXCEPTION_IF(field_version > current_version, tools::error::wallet_internal_error,
((boost::format(tools::wallet2::tr("Version %u too new, we can only grok up to %u")) % field_version % current_version)).str());
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, filename, std::string, String, true, std::string());
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, scan_from_height, uint64_t, Uint64, false, 0);
const bool recover = field_scan_from_height_found;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, password, std::string, String, false, std::string());
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, viewkey, std::string, String, false, std::string());
crypto::secret_key viewkey;
if (field_viewkey_found)
{
cryptonote::blobdata viewkey_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(field_viewkey, viewkey_data) || viewkey_data.size() != sizeof(crypto::secret_key))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to parse view key secret key"));
}
viewkey = *reinterpret_cast<const crypto::secret_key*>(viewkey_data.data());
crypto::public_key pkey;
if (!crypto::secret_key_to_public_key(viewkey, pkey)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to verify view key secret key"));
}
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, spendkey, std::string, String, false, std::string());
crypto::secret_key spendkey;
if (field_spendkey_found)
{
cryptonote::blobdata spendkey_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(field_spendkey, spendkey_data) || spendkey_data.size() != sizeof(crypto::secret_key))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to parse spend key secret key"));
}
spendkey = *reinterpret_cast<const crypto::secret_key*>(spendkey_data.data());
crypto::public_key pkey;
if (!crypto::secret_key_to_public_key(spendkey, pkey)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to verify spend key secret key"));
}
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, seed, std::string, String, false, std::string());
std::string old_language;
crypto::secret_key recovery_key;
bool restore_deterministic_wallet = false;
if (field_seed_found)
{
if (!crypto::ElectrumWords::words_to_bytes(field_seed, recovery_key, old_language))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("Electrum-style word list failed verification"));
}
restore_deterministic_wallet = true;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, seed_passphrase, std::string, String, false, std::string());
if (field_seed_passphrase_found)
{
if (!field_seed_passphrase.empty())
recovery_key = cryptonote::decrypt_key(recovery_key, field_seed_passphrase);
}
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, address, std::string, String, false, std::string());
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, create_address_file, int, Int, false, false);
bool create_address_file = field_create_address_file;
// compatibility checks
if (!field_seed_found && !field_viewkey_found && !field_spendkey_found)
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("At least one of either an Electrum-style word list, private view key, or private spend key must be specified"));
}
if (field_seed_found && (field_viewkey_found || field_spendkey_found))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("Both Electrum-style word list and private key(s) specified"));
}
// if an address was given, we check keys against it, and deduce the spend
// public key if it was not given
if (field_address_found)
{
cryptonote::address_parse_info info;
if(!get_account_address_from_str(info, nettype, field_address))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("invalid address"));
}
if (field_viewkey_found)
{
crypto::public_key pkey;
if (!crypto::secret_key_to_public_key(viewkey, pkey)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to verify view key secret key"));
}
if (info.address.m_view_public_key != pkey) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("view key does not match standard address"));
}
}
if (field_spendkey_found)
{
crypto::public_key pkey;
if (!crypto::secret_key_to_public_key(spendkey, pkey)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to verify spend key secret key"));
}
if (info.address.m_spend_public_key != pkey) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("spend key does not match standard address"));
}
}
}
const bool deprecated_wallet = restore_deterministic_wallet && ((old_language == crypto::ElectrumWords::old_language_name) ||
crypto::ElectrumWords::get_is_old_style_seed(field_seed));
THROW_WALLET_EXCEPTION_IF(deprecated_wallet, tools::error::wallet_internal_error,
tools::wallet2::tr("Cannot generate deprecated wallets from JSON"));
wallet.reset(make_basic(vm, opts, password_prompter).release());
wallet->set_refresh_from_block_height(field_scan_from_height);
wallet->explicit_refresh_from_block_height(field_scan_from_height_found);
try
{
if (!field_seed.empty())
{
wallet->generate(field_filename, field_password, recovery_key, recover, false, create_address_file);
}
else if (field_viewkey.empty() && !field_spendkey.empty())
{
wallet->generate(field_filename, field_password, spendkey, recover, false, create_address_file);
}
else
{
cryptonote::account_public_address address;
if (!crypto::secret_key_to_public_key(viewkey, address.m_view_public_key)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to verify view key secret key"));
}
if (field_spendkey.empty())
{
// if we have an address but no spend key, we can deduce the spend public key
// from the address
if (field_address_found)
{
cryptonote::address_parse_info info;
if(!get_account_address_from_str(info, nettype, field_address))
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, std::string(tools::wallet2::tr("failed to parse address: ")) + field_address);
}
address.m_spend_public_key = info.address.m_spend_public_key;
}
else
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("Address must be specified in order to create watch-only wallet"));
}
wallet->generate(field_filename, field_password, address, viewkey, create_address_file);
}
else
{
if (!crypto::secret_key_to_public_key(spendkey, address.m_spend_public_key)) {
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, tools::wallet2::tr("failed to verify spend key secret key"));
}
wallet->generate(field_filename, field_password, address, spendkey, viewkey, create_address_file);
}
}
}
catch (const std::exception& e)
{
THROW_WALLET_EXCEPTION(tools::error::wallet_internal_error, std::string(tools::wallet2::tr("failed to generate new wallet: ")) + e.what());
}
return true;
};
if (do_generate())
{
return wallet;
}
return nullptr;
}
static void throw_on_rpc_response_error(const boost::optional<std::string> &status, const char *method)
{
// no error
if (!status)
return;
// empty string -> not connection
THROW_WALLET_EXCEPTION_IF(status->empty(), tools::error::no_connection_to_daemon, method);
THROW_WALLET_EXCEPTION_IF(*status == CORE_RPC_STATUS_BUSY, tools::error::daemon_busy, method);
THROW_WALLET_EXCEPTION_IF(*status != CORE_RPC_STATUS_OK, tools::error::wallet_generic_rpc_error, method, *status);
}
std::string strjoin(const std::vector<size_t> &V, const char *sep)
{
std::stringstream ss;
bool first = true;
for (const auto &v: V)
{
if (!first)
ss << sep;
ss << std::to_string(v);
first = false;
}
return ss.str();
}
static void emplace_or_replace(std::unordered_multimap<crypto::hash, tools::wallet2::pool_payment_details> &container,
const crypto::hash &key, const tools::wallet2::pool_payment_details &pd)
{
auto range = container.equal_range(key);
for (auto i = range.first; i != range.second; ++i)
{
if (i->second.m_pd.m_tx_hash == pd.m_pd.m_tx_hash && i->second.m_pd.m_subaddr_index == pd.m_pd.m_subaddr_index)
{
i->second = pd;
return;
}
}
container.emplace(key, pd);
}
void drop_from_short_history(std::list<crypto::hash> &short_chain_history, size_t N)
{
std::list<crypto::hash>::iterator right;
// drop early N off, skipping the genesis block
if (short_chain_history.size() > N) {
right = short_chain_history.end();
std::advance(right,-1);
std::list<crypto::hash>::iterator left = right;
std::advance(left, -N);
short_chain_history.erase(left, right);
}
}
size_t estimate_rct_tx_size(int n_inputs, int mixin, int n_outputs, size_t extra_size, bool bulletproof)
{
size_t size = 0;
// tx prefix
// first few bytes
size += 1 + 6;
// vin
size += n_inputs * (1+6+(mixin+1)*2+32);
// vout
size += n_outputs * (6+32);
// extra
size += extra_size;
// rct signatures
// type
size += 1;
// rangeSigs
if (bulletproof)
size += ((2*6 + 4 + 5)*32 + 3) * n_outputs;
else
size += (2*64*32+32+64*32) * n_outputs;
// MGs
size += n_inputs * (64 * (mixin+1) + 32);
// mixRing - not serialized, can be reconstructed
/* size += 2 * 32 * (mixin+1) * n_inputs; */
// pseudoOuts
size += 32 * n_inputs;
// ecdhInfo
size += 2 * 32 * n_outputs;
// outPk - only commitment is saved
size += 32 * n_outputs;
// txnFee
size += 4;
LOG_PRINT_L2("estimated rct tx size for " << n_inputs << " with ring size " << (mixin+1) << " and " << n_outputs << ": " << size << " (" << ((32 * n_inputs/*+1*/) + 2 * 32 * (mixin+1) * n_inputs + 32 * n_outputs) << " saved)");
return size;
}
size_t estimate_tx_size(bool use_rct, int n_inputs, int mixin, int n_outputs, size_t extra_size, bool bulletproof)
{
if (use_rct)
return estimate_rct_tx_size(n_inputs, mixin, n_outputs + 1, extra_size, bulletproof);
else
return n_inputs * (mixin+1) * APPROXIMATE_INPUT_BYTES + extra_size;
}
uint8_t get_bulletproof_fork()
{
return 8;
}
crypto::hash8 get_short_payment_id(const tools::wallet2::pending_tx &ptx, hw::device &hwdev)
{
crypto::hash8 payment_id8 = null_hash8;
std::vector<tx_extra_field> tx_extra_fields;
parse_tx_extra(ptx.tx.extra, tx_extra_fields); // ok if partially parsed
cryptonote::tx_extra_nonce extra_nonce;
if (find_tx_extra_field_by_type(tx_extra_fields, extra_nonce))
{
if(get_encrypted_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id8))
{
if (ptx.dests.empty())
{
MWARNING("Encrypted payment id found, but no destinations public key, cannot decrypt");
return crypto::null_hash8;
}
hwdev.decrypt_payment_id(payment_id8, ptx.dests[0].addr.m_view_public_key, ptx.tx_key);
}
}
return payment_id8;
}
tools::wallet2::tx_construction_data get_construction_data_with_decrypted_short_payment_id(const tools::wallet2::pending_tx &ptx, hw::device &hwdev)
{
tools::wallet2::tx_construction_data construction_data = ptx.construction_data;
crypto::hash8 payment_id = get_short_payment_id(ptx,hwdev);
if (payment_id != null_hash8)
{
// Remove encrypted
remove_field_from_tx_extra(construction_data.extra, typeid(cryptonote::tx_extra_nonce));
// Add decrypted
std::string extra_nonce;
set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, payment_id);
THROW_WALLET_EXCEPTION_IF(!add_extra_nonce_to_tx_extra(construction_data.extra, extra_nonce),
tools::error::wallet_internal_error, "Failed to add decrypted payment id to tx extra");
LOG_PRINT_L1("Decrypted payment ID: " << payment_id);
}
return construction_data;
}
uint32_t get_subaddress_clamped_sum(uint32_t idx, uint32_t extra)
{
static constexpr uint32_t uint32_max = std::numeric_limits<uint32_t>::max();
if (idx > uint32_max - extra)
return uint32_max;
return idx + extra;
}
//-----------------------------------------------------------------
} //namespace
namespace tools
{
// for now, limit to 30 attempts. TODO: discuss a good number to limit to.
const size_t MAX_SPLIT_ATTEMPTS = 30;
constexpr const std::chrono::seconds wallet2::rpc_timeout;
const char* wallet2::tr(const char* str) { return i18n_translate(str, "tools::wallet2"); }
wallet2::wallet2(network_type nettype, bool restricted):
m_multisig_rescan_info(NULL),
m_multisig_rescan_k(NULL),
m_run(true),
m_callback(0),
m_nettype(nettype),
m_always_confirm_transfers(true),
m_print_ring_members(false),
m_store_tx_info(true),
m_default_mixin(0),
m_default_priority(0),
m_refresh_type(RefreshOptimizeCoinbase),
m_auto_refresh(true),
m_refresh_from_block_height(0),
m_explicit_refresh_from_block_height(true),
m_confirm_missing_payment_id(true),
m_ask_password(true),
m_min_output_count(0),
m_min_output_value(0),
m_merge_destinations(false),
m_confirm_backlog(true),
m_confirm_backlog_threshold(0),
m_confirm_export_overwrite(true),
m_auto_low_priority(true),
m_is_initialized(false),
m_restricted(restricted),
is_old_file_format(false),
m_node_rpc_proxy(m_http_client, m_daemon_rpc_mutex),
m_subaddress_lookahead_major(SUBADDRESS_LOOKAHEAD_MAJOR),
m_subaddress_lookahead_minor(SUBADDRESS_LOOKAHEAD_MINOR),
m_light_wallet(false),
m_light_wallet_scanned_block_height(0),
m_light_wallet_blockchain_height(0),
m_light_wallet_connected(false),
m_light_wallet_balance(0),
m_light_wallet_unlocked_balance(0),
m_key_on_device(false)
{
}
bool wallet2::has_testnet_option(const boost::program_options::variables_map& vm)
{
return command_line::get_arg(vm, options().testnet);
}
bool wallet2::has_stagenet_option(const boost::program_options::variables_map& vm)
{
return command_line::get_arg(vm, options().stagenet);
}
void wallet2::init_options(boost::program_options::options_description& desc_params)
{
const options opts{};
command_line::add_arg(desc_params, opts.daemon_address);
command_line::add_arg(desc_params, opts.daemon_host);
command_line::add_arg(desc_params, opts.password);
command_line::add_arg(desc_params, opts.password_file);
command_line::add_arg(desc_params, opts.daemon_port);
command_line::add_arg(desc_params, opts.daemon_login);
command_line::add_arg(desc_params, opts.testnet);
command_line::add_arg(desc_params, opts.stagenet);
command_line::add_arg(desc_params, opts.restricted);
}
std::unique_ptr<wallet2> wallet2::make_from_json(const boost::program_options::variables_map& vm, const std::string& json_file, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter)
{
const options opts{};
return generate_from_json(json_file, vm, opts, password_prompter);
}
std::pair<std::unique_ptr<wallet2>, password_container> wallet2::make_from_file(
const boost::program_options::variables_map& vm, const std::string& wallet_file, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter)
{
const options opts{};
auto pwd = get_password(vm, opts, password_prompter, false);
if (!pwd)
{
return {nullptr, password_container{}};
}
auto wallet = make_basic(vm, opts, password_prompter);
if (wallet)
{
wallet->load(wallet_file, pwd->password());
}
return {std::move(wallet), std::move(*pwd)};
}
std::pair<std::unique_ptr<wallet2>, password_container> wallet2::make_new(const boost::program_options::variables_map& vm, const std::function<boost::optional<password_container>(const char *, bool)> &password_prompter)
{
const options opts{};
auto pwd = get_password(vm, opts, password_prompter, true);
if (!pwd)
{
return {nullptr, password_container{}};
}
return {make_basic(vm, opts, password_prompter), std::move(*pwd)};
}
std::unique_ptr<wallet2> wallet2::make_dummy(const boost::program_options::variables_map& vm, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter)
{
const options opts{};
return make_basic(vm, opts, password_prompter);
}
//----------------------------------------------------------------------------------------------------
bool wallet2::init(std::string daemon_address, boost::optional<epee::net_utils::http::login> daemon_login, uint64_t upper_transaction_size_limit, bool ssl)
{
m_checkpoints.init_default_checkpoints(m_nettype);
if(m_http_client.is_connected())
m_http_client.disconnect();
m_is_initialized = true;
m_upper_transaction_size_limit = upper_transaction_size_limit;
m_daemon_address = std::move(daemon_address);
m_daemon_login = std::move(daemon_login);
// When switching from light wallet to full wallet, we need to reset the height we got from lw node.
if(m_light_wallet)
m_local_bc_height = m_blockchain.size();
return m_http_client.set_server(get_daemon_address(), get_daemon_login(), ssl);
}
//----------------------------------------------------------------------------------------------------
bool wallet2::is_deterministic() const
{
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, const epee::wipeable_string &passphrase) const
{
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;
return false;
}
crypto::secret_key key = get_account().get_keys().m_spend_secret_key;
if (!passphrase.empty())
key = cryptonote::encrypt_key(key, passphrase);
if (!crypto::ElectrumWords::bytes_to_words(key, electrum_words, seed_language))
{
std::cout << "Failed to create seed from key for language: " << seed_language << std::endl;
return false;
}
return true;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::get_multisig_seed(std::string& seed, const epee::wipeable_string &passphrase, bool raw) const
{
bool ready;
uint32_t threshold, total;
if (!multisig(&ready, &threshold, &total))
{
std::cout << "This is not a multisig wallet" << std::endl;
return false;
}
if (!ready)
{
std::cout << "This multisig wallet is not yet finalized" << std::endl;
return false;
}
if (!raw && seed_language.empty())
{
std::cout << "seed_language not set" << std::endl;
return false;
}
crypto::secret_key skey;
crypto::public_key pkey;
const account_keys &keys = get_account().get_keys();
std::string data;
data.append((const char*)&threshold, sizeof(uint32_t));
data.append((const char*)&total, sizeof(uint32_t));
skey = keys.m_spend_secret_key;
data.append((const char*)&skey, sizeof(skey));
pkey = keys.m_account_address.m_spend_public_key;
data.append((const char*)&pkey, sizeof(pkey));
skey = keys.m_view_secret_key;
data.append((const char*)&skey, sizeof(skey));
pkey = keys.m_account_address.m_view_public_key;
data.append((const char*)&pkey, sizeof(pkey));
for (const auto &skey: keys.m_multisig_keys)
data.append((const char*)&skey, sizeof(skey));
for (const auto &signer: m_multisig_signers)
data.append((const char*)&signer, sizeof(signer));
if (!passphrase.empty())
{
crypto::secret_key key;
crypto::cn_slow_hash(passphrase.data(), passphrase.size(), (crypto::hash&)key);
sc_reduce32((unsigned char*)key.data);
data = encrypt(data, key, true);
}
if (raw)
{
seed = epee::string_tools::buff_to_hex_nodelimer(data);
}
else
{
if (!crypto::ElectrumWords::bytes_to_words(data.data(), data.size(), seed, seed_language))
{
std::cout << "Failed to encode seed";
return false;
}
}
return true;
}
//----------------------------------------------------------------------------------------------------
/*!
* \brief Gets the seed language
*/
const std::string &wallet2::get_seed_language() const
{
return seed_language;
}
/*!
* \brief Sets the seed language
* \param language Seed language to set to
*/
void wallet2::set_seed_language(const std::string &language)
{
seed_language = language;
}
//----------------------------------------------------------------------------------------------------
cryptonote::account_public_address wallet2::get_subaddress(const cryptonote::subaddress_index& index) const
{
hw::device &hwdev = m_account.get_device();
return hwdev.get_subaddress(m_account.get_keys(), index);
}
//----------------------------------------------------------------------------------------------------
crypto::public_key wallet2::get_subaddress_spend_public_key(const cryptonote::subaddress_index& index) const
{
hw::device &hwdev = m_account.get_device();
return hwdev.get_subaddress_spend_public_key(m_account.get_keys(), index);
}
//----------------------------------------------------------------------------------------------------
std::string wallet2::get_subaddress_as_str(const cryptonote::subaddress_index& index) const
{
cryptonote::account_public_address address = get_subaddress(index);
return cryptonote::get_account_address_as_str(m_nettype, !index.is_zero(), address);
}
//----------------------------------------------------------------------------------------------------
std::string wallet2::get_integrated_address_as_str(const crypto::hash8& payment_id) const
{
return cryptonote::get_account_integrated_address_as_str(m_nettype, get_address(), payment_id);
}
//----------------------------------------------------------------------------------------------------
void wallet2::add_subaddress_account(const std::string& label)
{
uint32_t index_major = (uint32_t)get_num_subaddress_accounts();
expand_subaddresses({index_major, 0});
m_subaddress_labels[index_major][0] = label;
}
//----------------------------------------------------------------------------------------------------
void wallet2::add_subaddress(uint32_t index_major, const std::string& label)
{
THROW_WALLET_EXCEPTION_IF(index_major >= m_subaddress_labels.size(), error::account_index_outofbound);
uint32_t index_minor = (uint32_t)get_num_subaddresses(index_major);
expand_subaddresses({index_major, index_minor});
m_subaddress_labels[index_major][index_minor] = label;
}
//----------------------------------------------------------------------------------------------------
void wallet2::expand_subaddresses(const cryptonote::subaddress_index& index)
{
hw::device &hwdev = m_account.get_device();
if (m_subaddress_labels.size() <= index.major)
{
// add new accounts
cryptonote::subaddress_index index2;
const uint32_t major_end = get_subaddress_clamped_sum(index.major, m_subaddress_lookahead_major);
for (index2.major = m_subaddress_labels.size(); index2.major < major_end; ++index2.major)
{
const uint32_t end = get_subaddress_clamped_sum((index2.major == index.major ? index.minor : 0), m_subaddress_lookahead_minor);
const std::vector<crypto::public_key> pkeys = hwdev.get_subaddress_spend_public_keys(m_account.get_keys(), index2.major, 0, end);
for (index2.minor = 0; index2.minor < end; ++index2.minor)
{
const crypto::public_key &D = pkeys[index2.minor];
m_subaddresses[D] = index2;
}
}
m_subaddress_labels.resize(index.major + 1, {"Untitled account"});
m_subaddress_labels[index.major].resize(index.minor + 1);
}
else if (m_subaddress_labels[index.major].size() <= index.minor)
{
// add new subaddresses
const uint32_t end = get_subaddress_clamped_sum(index.minor, m_subaddress_lookahead_minor);
const uint32_t begin = m_subaddress_labels[index.major].size();
cryptonote::subaddress_index index2 = {index.major, begin};
const std::vector<crypto::public_key> pkeys = hwdev.get_subaddress_spend_public_keys(m_account.get_keys(), index2.major, index2.minor, end);
for (; index2.minor < end; ++index2.minor)
{
const crypto::public_key &D = pkeys[index2.minor - begin];
m_subaddresses[D] = index2;
}
m_subaddress_labels[index.major].resize(index.minor + 1);
}
}
//----------------------------------------------------------------------------------------------------
std::string wallet2::get_subaddress_label(const cryptonote::subaddress_index& index) const
{
if (index.major >= m_subaddress_labels.size() || index.minor >= m_subaddress_labels[index.major].size())
{
MERROR("Subaddress label doesn't exist");
return "";
}
return m_subaddress_labels[index.major][index.minor];
}
//----------------------------------------------------------------------------------------------------
void wallet2::set_subaddress_label(const cryptonote::subaddress_index& index, const std::string &label)
{
THROW_WALLET_EXCEPTION_IF(index.major >= m_subaddress_labels.size(), error::account_index_outofbound);
THROW_WALLET_EXCEPTION_IF(index.minor >= m_subaddress_labels[index.major].size(), error::address_index_outofbound);
m_subaddress_labels[index.major][index.minor] = label;
}
//----------------------------------------------------------------------------------------------------
void wallet2::set_subaddress_lookahead(size_t major, size_t minor)
{
THROW_WALLET_EXCEPTION_IF(major > 0xffffffff, error::wallet_internal_error, "Subaddress major lookahead is too large");
THROW_WALLET_EXCEPTION_IF(minor > 0xffffffff, error::wallet_internal_error, "Subaddress minor lookahead is too large");
m_subaddress_lookahead_major = major;
m_subaddress_lookahead_minor = minor;
}
//----------------------------------------------------------------------------------------------------
/*!
* \brief Tells if the wallet file is deprecated.
*/
bool wallet2::is_deprecated() const
{
return is_old_file_format;
}
//----------------------------------------------------------------------------------------------------
void wallet2::set_spent(size_t idx, uint64_t height)
{
transfer_details &td = m_transfers[idx];
LOG_PRINT_L2("Setting SPENT at " << height << ": ki " << td.m_key_image << ", amount " << print_money(td.m_amount));
td.m_spent = true;
td.m_spent_height = height;
}
//----------------------------------------------------------------------------------------------------
void wallet2::set_unspent(size_t idx)
{
transfer_details &td = m_transfers[idx];
LOG_PRINT_L2("Setting UNSPENT: ki " << td.m_key_image << ", amount " << print_money(td.m_amount));
td.m_spent = false;
td.m_spent_height = 0;
}
//----------------------------------------------------------------------------------------------------
void wallet2::check_acc_out_precomp(const tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info) const
{
if (o.target.type() != typeid(txout_to_key))
{
tx_scan_info.error = true;
LOG_ERROR("wrong type id in transaction out");
return;
}
tx_scan_info.received = is_out_to_acc_precomp(m_subaddresses, boost::get<txout_to_key>(o.target).key, derivation, additional_derivations, i, m_account.get_device());
if(tx_scan_info.received)
{
tx_scan_info.money_transfered = o.amount; // may be 0 for ringct outputs
}
else
{
tx_scan_info.money_transfered = 0;
}
tx_scan_info.error = false;
}
//----------------------------------------------------------------------------------------------------
static uint64_t decodeRct(const rct::rctSig & rv, const crypto::key_derivation &derivation, unsigned int i, rct::key & mask, hw::device &hwdev)
{
crypto::secret_key scalar1;
hwdev.derivation_to_scalar(derivation, i, scalar1);
try
{
switch (rv.type)
{
case rct::RCTTypeSimple:
case rct::RCTTypeSimpleBulletproof:
return rct::decodeRctSimple(rv, rct::sk2rct(scalar1), i, mask, hwdev);
case rct::RCTTypeFull:
case rct::RCTTypeFullBulletproof:
return rct::decodeRct(rv, rct::sk2rct(scalar1), i, mask, hwdev);
default:
LOG_ERROR("Unsupported rct type: " << rv.type);
return 0;