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notary_server.cpp
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notary_server.cpp
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// Copyright (c) 2019-2020, Blur Network
// Copyright (c) 2017-2018, The Masari Project
// 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 <boost/format.hpp>
#include <boost/asio/ip/address.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/algorithm/string.hpp>
#include <cstdint>
#include "include_base_utils.h"
using namespace epee;
#include "notary_server.h"
#include "notarization_tx_cache.h"
#include "wallet/wallet_args.h"
#include "common/command_line.h"
#include "common/i18n.h"
#include "cryptonote_config.h"
#include "cryptonote_core/tx_pool.h"
#include "cryptonote_core/komodo_notaries.h"
#include "cryptonote_basic/cryptonote_format_utils.h"
#include "cryptonote_protocol/cryptonote_protocol_defs.h"
#include "cryptonote_basic/account.h"
#include "multisig/multisig.h"
#include "notary_server_commands_defs.h"
#include "misc_language.h"
#include "string_coding.h"
#include "string_tools.h"
#include "crypto/hash.h"
#include "mnemonics/electrum-words.h"
#include "rpc/rpc_args.h"
#include "rpc/core_rpc_server_commands_defs.h"
#include "libhydrogen/hydrogen.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "notary_server.rpc"
namespace
{
const command_line::arg_descriptor<std::string, true> arg_rpc_bind_port = {"rpc-bind-port", "Set the port for RPC communication"};
const command_line::arg_descriptor<bool> arg_disable_rpc_login = {"disable-rpc-login", "Disable HTTP authentication for RPC connections served by this process"};
const command_line::arg_descriptor<bool> arg_trusted_daemon = {"trusted-daemon", "Enable commands which rely on a trusted daemon", false};
const command_line::arg_descriptor<std::string> arg_notary_wallet_dir = {"data-dir", "Directory for notary wallet and KMD state"};
const command_line::arg_descriptor<bool> arg_prompt_for_password = {"prompt-for-password", "Prompts for password when not provided", false};
constexpr const char default_rpc_username[] = "notary";
boost::optional<tools::password_container> password_prompter(const char *prompt, bool verify)
{
auto pwd_container = tools::password_container::prompt(verify, prompt);
if (!pwd_container)
{
MERROR("failed to read password");
}
return pwd_container;
}
}
namespace tools
{
bool check_for_index (std::vector<std::pair<int,size_t>>& vec, std::pair<int,size_t>& which)
{
which = *std::max_element(vec.begin(), vec.end(), [](const std::pair<int,int> uno, const std::pair<int,int> dos) { return uno.first < dos.first; });
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
const char* notary_server::tr(const char* str)
{
return i18n_translate(str, "komodo::notary_server");
}
//------------------------------------------------------------------------------------------------------------------------------
notary_server::notary_server():m_wallet(NULL), rpc_login_file(), m_stop(false), m_trusted_daemon(false), m_vm(NULL)
{
}
//------------------------------------------------------------------------------------------------------------------------------
notary_server::~notary_server()
{
if (m_wallet)
delete m_wallet;
}
//------------------------------------------------------------------------------------------------------------------------------
void notary_server::set_wallet(wallet2 *cr)
{
m_wallet = cr;
}
//------------------------------------------------------------------------------------------------------------------------------
std::string ptx_to_string(const tools::wallet2::pending_tx &ptx)
{
std::ostringstream oss;
boost::archive::portable_binary_oarchive ar(oss);
try
{
ar << ptx;
}
catch (...)
{
MERROR("Something went wrong converting ptx to string!");
return "";
}
return oss.str();
}
//------------------------------------------------------------------------------------------------------------------------------
std::pair<crypto::hash,std::string> ptx_to_string_hash(const tools::wallet2::pending_tx &ptx)
{
std::string s = ptx_to_string(ptx);
crypto::hash h = crypto::null_hash;
crypto::cn_fast_hash(s.data(), s.size(), h);
std::pair<crypto::hash,std::string> hash_blob;
hash_blob.first = h;
hash_blob.second = s;
return hash_blob;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::run()
{
bool sent_to_pool = false;
m_stop = false;
m_net_server.add_idle_handler([this](){
try {
if (m_wallet) m_wallet->refresh();
} catch (const std::exception& ex) {
LOG_ERROR("Exception while refreshing, what=" << ex.what());
}
return true;
}, 20000);
m_net_server.add_idle_handler([this, &sent_to_pool](){
try
{
notary_rpc::COMMAND_RPC_CREATE_NTZ_TRANSFER::request req;
notary_rpc::COMMAND_RPC_CREATE_NTZ_TRANSFER::response res = AUTO_VAL_INIT(res);
notary_rpc::COMMAND_RPC_CREATE_NTZ_TRANSFER::response res2 = AUTO_VAL_INIT(res2);
std::string error;
uint64_t const height = m_wallet->get_daemon_blockchain_height(error);
uint64_t const notarization_wait = m_wallet->get_notarized_height() + 26;
//MWARNING("Height = " << std::to_string(height) << ", notarization_wait = " << std::to_string(notarization_wait) << " ---- ");
epee::json_rpc::error e;
if (m_wallet)
{
std::list<cryptonote::transaction> txs;
if (get_ntz_cache_count() <= 1)
{
bool r = on_create_ntz_transfer(req, res, e);
if(r) {
r = false;
if (get_ntz_cache_count() == 1) {
r = on_create_ntz_transfer(req, res, e);
}
}
}
if (height >= (notarization_wait)) {
const size_t count = m_wallet->get_ntzpool_count(true);
if ((count >= 1) && (get_ntz_cache_count() >= 2) && !sent_to_pool) {
notary_rpc::COMMAND_RPC_APPEND_NTZ_SIG::request request;
notary_rpc::COMMAND_RPC_APPEND_NTZ_SIG::response response = AUTO_VAL_INIT(response);
epee::json_rpc::error err;
bool R = on_append_ntz_sig(request, response, err);
if (!R) {
MERROR("Something went wrong when calling append_ntz_sig from idle handler!");
} else {
sent_to_pool = true;
}
} else {
if (!sent_to_pool) {
bool r = on_create_ntz_transfer(req, res, e);
if (r) {
sent_to_pool = true;
}
}
}
}
}
} catch (const std::exception& ex) {
MERROR("Exception while executing notarization idle handler sequence, what=" << ex.what());
}
return true;
}, 20000);
m_net_server.add_idle_handler([this](){
if (m_stop.load(std::memory_order_relaxed))
{
send_stop_signal();
return false;
}
return true;
}, 500);
//DO NOT START THIS SERVER IN MORE THEN 1 THREADS WITHOUT REFACTORING
return epee::http_server_impl_base<notary_server, connection_context>::run(1, true);
}
//------------------------------------------------------------------------------------------------------------------------------
void notary_server::stop()
{
if (m_wallet)
{
m_wallet->store();
delete m_wallet;
m_wallet = NULL;
}
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::init(const boost::program_options::variables_map *vm)
{
auto rpc_config = cryptonote::rpc_args::process(*vm);
if (!rpc_config)
return false;
m_vm = vm;
tools::wallet2 *walvars;
std::unique_ptr<tools::wallet2> tmpwal;
if (m_wallet)
walvars = m_wallet;
else
{
tmpwal = tools::wallet2::make_dummy(*m_vm, password_prompter);
walvars = tmpwal.get();
}
boost::optional<epee::net_utils::http::login> http_login{};
std::string bind_port = command_line::get_arg(*m_vm, arg_rpc_bind_port);
const bool disable_auth = command_line::get_arg(*m_vm, arg_disable_rpc_login);
m_trusted_daemon = command_line::get_arg(*m_vm, arg_trusted_daemon);
if (!command_line::has_arg(*m_vm, arg_trusted_daemon))
{
if (tools::is_local_address(walvars->get_daemon_address()))
{
MINFO(tr("Daemon is local, assuming trusted"));
m_trusted_daemon = true;
}
}
if (command_line::has_arg(*m_vm, arg_notary_wallet_dir))
{
m_notary_wallet_dir = command_line::get_arg(*m_vm, arg_notary_wallet_dir);
#ifdef _WIN32
#define MKDIR(path, mode) mkdir(path)
#else
#define MKDIR(path, mode) mkdir(path, mode)
#endif
if (!m_notary_wallet_dir.empty() && MKDIR(m_notary_wallet_dir.c_str(), 0700) < 0 && errno != EEXIST)
{
#ifdef _WIN32
LOG_ERROR(tr("Failed to create directory ") + m_notary_wallet_dir);
#else
LOG_ERROR((boost::format(tr("Failed to create directory %s: %s")) % m_notary_wallet_dir % strerror(errno)).str());
#endif
return false;
}
}
if (disable_auth)
{
if (rpc_config->login)
{
const cryptonote::rpc_args::descriptors arg{};
LOG_ERROR(tr("Cannot specify --") << arg_disable_rpc_login.name << tr(" and --") << arg.rpc_login.name);
return false;
}
}
else // auth enabled
{
if (!rpc_config->login)
{
std::array<std::uint8_t, 16> rand_128bit{{}};
crypto::rand(rand_128bit.size(), rand_128bit.data());
http_login.emplace(
default_rpc_username,
string_encoding::base64_encode(rand_128bit.data(), rand_128bit.size())
);
std::string temp = "blur-wallet-rpc." + bind_port + ".login";
rpc_login_file = tools::private_file::create(temp);
if (!rpc_login_file.handle())
{
LOG_ERROR(tr("Failed to create file ") << temp << tr(". Check permissions or remove file"));
return false;
}
std::fputs(http_login->username.c_str(), rpc_login_file.handle());
std::fputc(':', rpc_login_file.handle());
const epee::wipeable_string password = http_login->password;
std::fwrite(password.data(), 1, password.size(), rpc_login_file.handle());
std::fflush(rpc_login_file.handle());
if (std::ferror(rpc_login_file.handle()))
{
LOG_ERROR(tr("Error writing to file ") << temp);
return false;
}
LOG_PRINT_L0(tr("RPC username/password is stored in file ") << temp);
}
else // chosen user/pass
{
http_login.emplace(
std::move(rpc_config->login->username), std::move(rpc_config->login->password).password()
);
}
assert(bool(http_login));
} // end auth enabled
m_net_server.set_threads_prefix("RPC");
auto rng = [](size_t len, uint8_t *ptr) { return crypto::rand(len, ptr); };
return epee::http_server_impl_base<notary_server, connection_context>::init(
rng, std::move(bind_port), std::move(rpc_config->bind_ip), std::move(rpc_config->access_control_origins), std::move(http_login)
);
}
bool notary_server::not_open(epee::json_rpc::error& er)
{
er.code = NOTARY_RPC_ERROR_CODE_NOT_OPEN;
er.message = "No wallet file";
return false;
}
//------------------------------------------------------------------------------------------------------------------------------
void notary_server::fill_transfer_entry(tools::notary_rpc::transfer_entry &entry, const crypto::hash &txid, const crypto::hash &payment_id, const tools::wallet2::payment_details &pd)
{
entry.txid = string_tools::pod_to_hex(pd.m_tx_hash);
entry.payment_id = string_tools::pod_to_hex(payment_id);
if (entry.payment_id.substr(16).find_first_not_of('0') == std::string::npos)
entry.payment_id = entry.payment_id.substr(0,16);
entry.height = pd.m_block_height;
entry.timestamp = pd.m_timestamp;
entry.amount = pd.m_amount;
entry.unlock_time = pd.m_unlock_time;
entry.fee = pd.m_fee;
entry.note = m_wallet->get_tx_note(pd.m_tx_hash);
entry.type = "in";
entry.subaddr_index = pd.m_subaddr_index;
entry.address = m_wallet->get_subaddress_as_str(pd.m_subaddr_index);
}
//------------------------------------------------------------------------------------------------------------------------------
void notary_server::fill_transfer_entry(tools::notary_rpc::transfer_entry &entry, const crypto::hash &txid, const tools::wallet2::confirmed_transfer_details &pd)
{
entry.txid = string_tools::pod_to_hex(txid);
entry.payment_id = string_tools::pod_to_hex(pd.m_payment_id);
if (entry.payment_id.substr(16).find_first_not_of('0') == std::string::npos)
entry.payment_id = entry.payment_id.substr(0,16);
entry.height = pd.m_block_height;
entry.timestamp = pd.m_timestamp;
entry.unlock_time = pd.m_unlock_time;
entry.fee = pd.m_amount_in - pd.m_amount_out;
uint64_t change = pd.m_change == (uint64_t)-1 ? 0 : pd.m_change; // change may not be known
entry.amount = pd.m_amount_in - change - entry.fee;
entry.note = m_wallet->get_tx_note(txid);
for (const auto &d: pd.m_dests) {
entry.destinations.push_back(notary_rpc::transfer_destination());
notary_rpc::transfer_destination &td = entry.destinations.back();
td.amount = d.amount;
td.address = get_account_address_as_str(m_wallet->nettype(), d.is_subaddress, d.addr);
}
entry.type = "out";
entry.subaddr_index = { pd.m_subaddr_account, 0 };
entry.address = m_wallet->get_subaddress_as_str({pd.m_subaddr_account, 0});
}
//------------------------------------------------------------------------------------------------------------------------------
void notary_server::fill_transfer_entry(tools::notary_rpc::transfer_entry &entry, const crypto::hash &txid, const tools::wallet2::unconfirmed_transfer_details &pd)
{
bool is_failed = pd.m_state == tools::wallet2::unconfirmed_transfer_details::failed;
entry.txid = string_tools::pod_to_hex(txid);
entry.payment_id = string_tools::pod_to_hex(pd.m_payment_id);
entry.payment_id = string_tools::pod_to_hex(pd.m_payment_id);
if (entry.payment_id.substr(16).find_first_not_of('0') == std::string::npos)
entry.payment_id = entry.payment_id.substr(0,16);
entry.height = 0;
entry.timestamp = pd.m_timestamp;
entry.fee = pd.m_amount_in - pd.m_amount_out;
entry.amount = pd.m_amount_in - pd.m_change - entry.fee;
entry.unlock_time = pd.m_tx.unlock_time;
entry.note = m_wallet->get_tx_note(txid);
entry.type = is_failed ? "failed" : "pending";
entry.subaddr_index = { pd.m_subaddr_account, 0 };
entry.address = m_wallet->get_subaddress_as_str({pd.m_subaddr_account, 0});
}
//------------------------------------------------------------------------------------------------------------------------------
void notary_server::fill_transfer_entry(tools::notary_rpc::transfer_entry &entry, const crypto::hash &payment_id, const tools::wallet2::pool_payment_details &ppd)
{
const tools::wallet2::payment_details &pd = ppd.m_pd;
entry.txid = string_tools::pod_to_hex(pd.m_tx_hash);
entry.payment_id = string_tools::pod_to_hex(payment_id);
if (entry.payment_id.substr(16).find_first_not_of('0') == std::string::npos)
entry.payment_id = entry.payment_id.substr(0,16);
entry.height = 0;
entry.timestamp = pd.m_timestamp;
entry.amount = pd.m_amount;
entry.unlock_time = pd.m_unlock_time;
entry.fee = pd.m_fee;
entry.note = m_wallet->get_tx_note(pd.m_tx_hash);
entry.double_spend_seen = ppd.m_double_spend_seen;
entry.type = "pool";
entry.subaddr_index = pd.m_subaddr_index;
entry.address = m_wallet->get_subaddress_as_str(pd.m_subaddr_index);
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_getbalance(const notary_rpc::COMMAND_RPC_GET_BALANCE::request& req, notary_rpc::COMMAND_RPC_GET_BALANCE::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
res.balance = m_wallet->balance(req.account_index);
res.unlocked_balance = m_wallet->unlocked_balance(req.account_index);
res.multisig_import_needed = m_wallet->multisig() && m_wallet->has_multisig_partial_key_images();
std::map<uint32_t, uint64_t> balance_per_subaddress = m_wallet->balance_per_subaddress(req.account_index);
std::map<uint32_t, uint64_t> unlocked_balance_per_subaddress = m_wallet->unlocked_balance_per_subaddress(req.account_index);
std::vector<tools::wallet2::transfer_details> transfers;
m_wallet->get_transfers(transfers);
for (const auto& i : balance_per_subaddress)
{
notary_rpc::COMMAND_RPC_GET_BALANCE::per_subaddress_info info;
info.address_index = i.first;
cryptonote::subaddress_index index = {req.account_index, info.address_index};
info.address = m_wallet->get_subaddress_as_str(index);
info.balance = i.second;
info.unlocked_balance = unlocked_balance_per_subaddress[i.first];
info.label = m_wallet->get_subaddress_label(index);
info.num_unspent_outputs = std::count_if(transfers.begin(), transfers.end(), [&](const tools::wallet2::transfer_details& td) { return !td.m_spent && td.m_subaddr_index == index; });
res.per_subaddress.push_back(info);
}
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_getaddress(const notary_rpc::COMMAND_RPC_GET_ADDRESS::request& req, notary_rpc::COMMAND_RPC_GET_ADDRESS::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
res.addresses.clear();
std::vector<uint32_t> req_address_index;
if (req.address_index.empty())
{
for (uint32_t i = 0; i < m_wallet->get_num_subaddresses(req.account_index); ++i)
req_address_index.push_back(i);
}
else
{
req_address_index = req.address_index;
}
tools::wallet2::transfer_container transfers;
m_wallet->get_transfers(transfers);
for (uint32_t i : req_address_index)
{
res.addresses.resize(res.addresses.size() + 1);
auto& info = res.addresses.back();
const cryptonote::subaddress_index index = {req.account_index, i};
info.address = m_wallet->get_subaddress_as_str(index);
info.label = m_wallet->get_subaddress_label(index);
info.address_index = index.minor;
info.used = std::find_if(transfers.begin(), transfers.end(), [&](const tools::wallet2::transfer_details& td) { return td.m_subaddr_index == index; }) != transfers.end();
}
res.address = m_wallet->get_subaddress_as_str({req.account_index, 0});
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_create_address(const notary_rpc::COMMAND_RPC_CREATE_ADDRESS::request& req, notary_rpc::COMMAND_RPC_CREATE_ADDRESS::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
m_wallet->add_subaddress(req.account_index, req.label);
res.address_index = m_wallet->get_num_subaddresses(req.account_index) - 1;
res.address = m_wallet->get_subaddress_as_str({req.account_index, res.address_index});
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_label_address(const notary_rpc::COMMAND_RPC_LABEL_ADDRESS::request& req, notary_rpc::COMMAND_RPC_LABEL_ADDRESS::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
m_wallet->set_subaddress_label(req.index, req.label);
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_get_accounts(const notary_rpc::COMMAND_RPC_GET_ACCOUNTS::request& req, notary_rpc::COMMAND_RPC_GET_ACCOUNTS::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
res.total_balance = 0;
res.total_unlocked_balance = 0;
cryptonote::subaddress_index subaddr_index = {0,0};
const std::pair<std::map<std::string, std::string>, std::vector<std::string>> account_tags = m_wallet->get_account_tags();
if (!req.tag.empty() && account_tags.first.count(req.tag) == 0)
{
er.code = NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = (boost::format(tr("Tag %s is unregistered.")) % req.tag).str();
return false;
}
for (; subaddr_index.major < m_wallet->get_num_subaddress_accounts(); ++subaddr_index.major)
{
if (!req.tag.empty() && req.tag != account_tags.second[subaddr_index.major])
continue;
notary_rpc::COMMAND_RPC_GET_ACCOUNTS::subaddress_account_info info;
info.account_index = subaddr_index.major;
info.base_address = m_wallet->get_subaddress_as_str(subaddr_index);
info.balance = m_wallet->balance(subaddr_index.major);
info.unlocked_balance = m_wallet->unlocked_balance(subaddr_index.major);
info.label = m_wallet->get_subaddress_label(subaddr_index);
info.tag = account_tags.second[subaddr_index.major];
res.subaddress_accounts.push_back(info);
res.total_balance += info.balance;
res.total_unlocked_balance += info.unlocked_balance;
}
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_create_account(const notary_rpc::COMMAND_RPC_CREATE_ACCOUNT::request& req, notary_rpc::COMMAND_RPC_CREATE_ACCOUNT::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
m_wallet->add_subaddress_account(req.label);
res.account_index = m_wallet->get_num_subaddress_accounts() - 1;
res.address = m_wallet->get_subaddress_as_str({res.account_index, 0});
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_label_account(const notary_rpc::COMMAND_RPC_LABEL_ACCOUNT::request& req, notary_rpc::COMMAND_RPC_LABEL_ACCOUNT::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
m_wallet->set_subaddress_label({req.account_index, 0}, req.label);
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_get_account_tags(const notary_rpc::COMMAND_RPC_GET_ACCOUNT_TAGS::request& req, notary_rpc::COMMAND_RPC_GET_ACCOUNT_TAGS::response& res, epee::json_rpc::error& er)
{
const std::pair<std::map<std::string, std::string>, std::vector<std::string>> account_tags = m_wallet->get_account_tags();
for (const std::pair<std::string, std::string>& p : account_tags.first)
{
res.account_tags.resize(res.account_tags.size() + 1);
auto& info = res.account_tags.back();
info.tag = p.first;
info.label = p.second;
for (size_t i = 0; i < account_tags.second.size(); ++i)
{
if (account_tags.second[i] == info.tag)
info.accounts.push_back(i);
}
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_tag_accounts(const notary_rpc::COMMAND_RPC_TAG_ACCOUNTS::request& req, notary_rpc::COMMAND_RPC_TAG_ACCOUNTS::response& res, epee::json_rpc::error& er)
{
try
{
m_wallet->set_account_tag(req.accounts, req.tag);
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_untag_accounts(const notary_rpc::COMMAND_RPC_UNTAG_ACCOUNTS::request& req, notary_rpc::COMMAND_RPC_UNTAG_ACCOUNTS::response& res, epee::json_rpc::error& er)
{
try
{
m_wallet->set_account_tag(req.accounts, "");
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_set_account_tag_description(const notary_rpc::COMMAND_RPC_SET_ACCOUNT_TAG_DESCRIPTION::request& req, notary_rpc::COMMAND_RPC_SET_ACCOUNT_TAG_DESCRIPTION::response& res, epee::json_rpc::error& er)
{
try
{
m_wallet->set_account_tag_description(req.tag, req.description);
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_getheight(const notary_rpc::COMMAND_RPC_GET_HEIGHT::request& req, notary_rpc::COMMAND_RPC_GET_HEIGHT::response& res, epee::json_rpc::error& er)
{
if (!m_wallet) return not_open(er);
try
{
res.height = m_wallet->get_blockchain_current_height();
}
catch (const std::exception& e)
{
handle_rpc_exception(std::current_exception(), er, NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR);
return false;
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::validate_transfer(const std::list<notary_rpc::transfer_destination>& destinations, const std::string& payment_id, std::vector<cryptonote::tx_destination_entry>& dsts, std::vector<uint8_t>& extra, bool at_least_one_destination, epee::json_rpc::error& er)
{
crypto::hash8 integrated_payment_id = crypto::null_hash8;
std::string extra_nonce;
for (auto it = destinations.begin(); it != destinations.end(); it++)
{
cryptonote::address_parse_info info;
cryptonote::tx_destination_entry de;
er.message = "";
if(!get_account_address_from_str(info, m_wallet->nettype(), it->address))
{
er.code = NOTARY_RPC_ERROR_CODE_WRONG_ADDRESS;
if (er.message.empty())
er.message = std::string("NOTARY_RPC_ERROR_CODE_WRONG_ADDRESS: ") + it->address;
return false;
}
de.addr = info.address;
de.is_subaddress = info.is_subaddress;
de.amount = it->amount;
dsts.push_back(de);
if (info.has_payment_id)
{
if (!payment_id.empty() || integrated_payment_id != crypto::null_hash8)
{
er.code = NOTARY_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
er.message = "A single payment id is allowed per transaction";
return false;
}
integrated_payment_id = info.payment_id;
cryptonote::set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, integrated_payment_id);
/* Append Payment ID data into extra */
if (!cryptonote::add_extra_nonce_to_tx_extra(extra, extra_nonce)) {
er.code = NOTARY_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
er.message = "Something went wrong with integrated payment_id.";
return false;
}
}
}
if (at_least_one_destination && dsts.empty())
{
er.code = NOTARY_RPC_ERROR_CODE_ZERO_DESTINATION;
er.message = "No destinations for this transfer";
return false;
}
if (!payment_id.empty())
{
/* Just to clarify */
const std::string& payment_id_str = payment_id;
crypto::hash long_payment_id;
crypto::hash8 short_payment_id;
/* Parse payment ID */
if (wallet2::parse_long_payment_id(payment_id_str, long_payment_id)) {
cryptonote::set_payment_id_to_tx_extra_nonce(extra_nonce, long_payment_id);
}
/* or short payment ID */
else if (wallet2::parse_short_payment_id(payment_id_str, short_payment_id)) {
cryptonote::set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, short_payment_id);
}
else {
er.code = NOTARY_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
er.message = "Payment id has invalid format: \"" + payment_id_str + "\", expected 16 or 64 character string";
return false;
}
/* Append Payment ID data into extra */
if (!cryptonote::add_extra_nonce_to_tx_extra(extra, extra_nonce)) {
er.code = NOTARY_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
er.message = "Something went wrong with payment_id. Please check its format: \"" + payment_id_str + "\", expected 64-character string";
return false;
}
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::validate_ntz_transfer(const std::vector<notary_rpc::transfer_destination>& destinations, const std::string& payment_id, std::vector<cryptonote::tx_destination_entry>& dsts, std::vector<uint8_t>& extra, bool at_least_one_destination, int& sig_count, std::vector<int>& signers_index_vec, epee::json_rpc::error& er)
{
std::string ntz_txn_extra_data;
for (auto it = destinations.begin(); it != destinations.end(); it++)
{
cryptonote::address_parse_info info;
cryptonote::tx_destination_entry de;
er.message = "";
if(!get_account_address_from_str(info, m_wallet->nettype(), it->address))
{
er.code = NOTARY_RPC_ERROR_CODE_WRONG_ADDRESS;
if (er.message.empty())
er.message = std::string("NOTARY_RPC_ERROR_UNTRUSTED_ADDRESS: ") + it->address;
return false;
}
de.addr = info.address;
de.is_subaddress = info.is_subaddress;
if (de.is_subaddress)
{
er.code = NOTARY_RPC_ERROR_CODE_WRONG_ADDRESS;
if (er.message.empty())
er.message = std::string("Subaddresses destinations not allowed in notarization txs: ") + it->address;
return false;
}
de.amount = it->amount;
dsts.push_back(de);
if (info.has_payment_id)
{
if (!payment_id.empty() && payment_id.length() == 8)
{
er.code = NOTARY_RPC_ERROR_CODE_WRONG_ADDRESS;
er.message = "Integrated addresses & short payment IDs not allowed in notarization txs";
return false;
}
}
}
if (at_least_one_destination && dsts.empty())
{
er.code = NOTARY_RPC_ERROR_CODE_ZERO_DESTINATION;
er.message = "No destinations for this transfer";
return false;
}
if(dsts.size() != 64)
{
er.code = NOTARY_RPC_ERROR_CODE_INVALID_VOUT_COUNT;
er.message = "Notarization transactions should have exactly 64 destinations";
return false;
}
std::string extra_nonce;
if (!payment_id.empty())
{
const std::string& payment_id_str = payment_id;
crypto::hash long_payment_id;
if (wallet2::parse_long_payment_id(payment_id_str, long_payment_id)) {
cryptonote::set_payment_id_to_tx_extra_nonce(extra_nonce, long_payment_id);
LOG_PRINT_L1("Payment id " << epee::string_tools::pod_to_hex(long_payment_id) << "added to extra nonce");
}
else {
er.code = NOTARY_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
er.message = "Payment id has invalid format: \"" + payment_id_str + "\", expected 16 or 64 character string";
return false;
}
if (!cryptonote::add_extra_nonce_to_tx_extra(extra, extra_nonce)) {
er.code = NOTARY_RPC_ERROR_CODE_WRONG_PAYMENT_ID;
er.message = "Something went wrong with payment_id. Please check its format: \"" + payment_id_str + "\", expected 64-character string";
return false;
}
}
bool r = false;
cryptonote::address_parse_info info;
if (!get_account_address_from_str(info, m_wallet->nettype(), m_wallet->get_account().get_public_address_str(m_wallet->nettype()))) {
MERROR("Unable to get our own address info from str!");
return false;
}
cryptonote::account_public_address const& own_address = info.address;
cryptonote::account_keys const& own_keys = m_wallet->get_account().get_keys();
size_t num_stdaddresses = 0;
int sign_index = -1;
r = auth_and_get_ntz_signer_index(dsts, own_address, num_stdaddresses, own_keys, sign_index);
if (!r) {
MERROR("Error authenticating and retrieving signer_index in notary_server!");
return false;
} else {
if (sign_index == -1) {
MERROR("Failed to retrieve a valid signer_index value for our keys!");
return false;
} else {
MINFO("Authenticated successfully for ntz transaction creation. Signer index: " << std::to_string(sign_index));
}
}
const int signer_index = sign_index;
bool once = false;
int loc = -1;
const int neg = -1;
const size_t count = DPOW_SIG_COUNT - std::count(signers_index_vec.begin(), signers_index_vec.end(), neg);
LOG_PRINT_L1("Non-negative values in signers_index (count): " << std::to_string(count));
std::vector<int> vec_ret;
for (size_t i = 0; i < DPOW_SIG_COUNT; i++) {
if (signer_index == signers_index_vec[i]) {
MERROR("Found our index value in signers_index at: " << std::to_string(i) << ", we must have already signed this one!");
return false;
} else if ((signers_index_vec[i] == neg) && (vec_ret.size() == count)) {
MINFO("Adding our index value: " << std::to_string(signer_index) << ", to signers_index at location: " << std::to_string(i));
vec_ret.push_back(signer_index);
} else if ((signers_index_vec[i] > neg) && (vec_ret.size() < count)) {
LOG_PRINT_L1("Copying non-negative signer_index value that is not our own: " << std::to_string(signers_index_vec[i]));
vec_ret.push_back(signers_index_vec[i]);
} else if ((signers_index_vec[i] == neg) && (vec_ret.size() > count)) {
vec_ret.push_back(neg);
}
}
signers_index_vec = vec_ret;
sig_count = count + 1;
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
template<typename T> static bool is_error_value(const T &val) { return false; }
static bool is_error_value(const std::string &s) { return s.empty(); }
//------------------------------------------------------------------------------------------------------------------------------
template<typename T, typename V>
static bool fill(T &where, V s)
{
if (is_error_value(s)) return false;
where = std::move(s);
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
template<typename T, typename V>
static bool fill(std::list<T> &where, V s)
{
if (is_error_value(s)) return false;
where.emplace_back(std::move(s));
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
static uint64_t total_amount(const tools::wallet2::pending_tx &ptx)
{
uint64_t amount = 0;
for (const auto &dest: ptx.dests) amount += dest.amount;
return amount;
}
//------------------------------------------------------------------------------------------------------------------------------
template<typename Ts, typename Tu>
bool notary_server::fill_response(std::vector<tools::wallet2::pending_tx> &ptx_vector,
bool get_tx_key, Ts& tx_key, Tu &amount, Tu &fee, std::string &multisig_txset, bool do_not_relay,
Ts &tx_hash, bool get_tx_hex, Ts &tx_blob, bool get_tx_metadata, Ts &tx_metadata, epee::json_rpc::error &er)
{
for (const auto & ptx : ptx_vector)
{
if (get_tx_key)
{
std::string s = epee::string_tools::pod_to_hex(ptx.tx_key);
for (const crypto::secret_key& additional_tx_key : ptx.additional_tx_keys)
s += epee::string_tools::pod_to_hex(additional_tx_key);
fill(tx_key, s);
}
// Compute amount leaving wallet in tx. By convention dests does not include change outputs
fill(amount, total_amount(ptx));
fill(fee, ptx.fee);
}
if (m_wallet->multisig())
{
multisig_txset = epee::string_tools::buff_to_hex_nodelimer(m_wallet->save_multisig_tx(ptx_vector));
if (multisig_txset.empty())
{
er.code = NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = "Failed to save multisig tx set after creation";
return false;
}
}
else
{
// populate response with tx hashes
for (auto & ptx : ptx_vector)
{
bool r = fill(tx_hash, epee::string_tools::pod_to_hex(cryptonote::get_transaction_hash(ptx.tx)));
r = r && (!get_tx_hex || fill(tx_blob, epee::string_tools::buff_to_hex_nodelimer(tx_to_blob(ptx.tx))));
r = r && (!get_tx_metadata || fill(tx_metadata, epee::string_tools::buff_to_hex_nodelimer(ptx_to_string(ptx))));
if (!r)
{
er.code = NOTARY_RPC_ERROR_CODE_UNKNOWN_ERROR;
er.message = "Failed to save tx info";
return false;
}
}
}
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool notary_server::on_transfer(const notary_rpc::COMMAND_RPC_TRANSFER::request& req, notary_rpc::COMMAND_RPC_TRANSFER::response& res, epee::json_rpc::error& er)
{
std::vector<cryptonote::tx_destination_entry> dsts;
std::vector<uint8_t> extra;
LOG_PRINT_L3("on_transfer starts");
if (!m_wallet) return not_open(er);
if (m_wallet->restricted())
{
er.code = NOTARY_RPC_ERROR_CODE_DENIED;
er.message = "Command unavailable in restricted mode.";
return false;
}
// validate the transfer requested and populate dsts & extra
if (!validate_transfer(req.destinations, req.payment_id, dsts, extra, true, er))
{
return false;
}
try
{
uint64_t mixin;
if(req.ring_size != 0)
{
mixin = m_wallet->adjust_mixin(req.ring_size - 1);
}
else
{
mixin = m_wallet->adjust_mixin(req.mixin);
}
uint32_t priority = m_wallet->adjust_priority(req.priority);
std::vector<wallet2::pending_tx> ptx_vector = m_wallet->create_transactions_2(dsts, mixin, req.unlock_time, priority, extra, req.account_index, req.subaddr_indices, m_trusted_daemon);
if (ptx_vector.empty())
{
er.code = NOTARY_RPC_ERROR_CODE_TX_NOT_POSSIBLE;
er.message = "No transaction created";
return false;
}
// reject proposed transactions if there are more than one. see on_transfer_split below.