wownero/src/wallet/api/wallet_manager.cpp
2017-02-22 13:03:45 +00:00

503 lines
17 KiB
C++

// Copyright (c) 2014-2017, 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 "wallet_manager.h"
#include "wallet.h"
#include "common_defines.h"
#include "common/dns_utils.h"
#include "common/util.h"
#include "common/updates.h"
#include "version.h"
#include "net/http_client.h"
#include <boost/filesystem.hpp>
#include <boost/regex.hpp>
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "WalletAPI"
namespace epee {
unsigned int g_test_dbg_lock_sleep = 0;
}
namespace {
template<typename Request, typename Response>
bool connect_and_invoke(const std::string& address, const std::string& path, const Request& request, Response& response)
{
epee::net_utils::http::http_simple_client client{};
return client.set_server(address, boost::none) && epee::net_utils::invoke_http_json(path, request, response, client);
}
}
namespace Monero {
Wallet *WalletManagerImpl::createWallet(const std::string &path, const std::string &password,
const std::string &language, bool testnet)
{
WalletImpl * wallet = new WalletImpl(testnet);
wallet->create(path, password, language);
return wallet;
}
Wallet *WalletManagerImpl::openWallet(const std::string &path, const std::string &password, bool testnet)
{
WalletImpl * wallet = new WalletImpl(testnet);
wallet->open(path, password);
//Refresh addressBook
wallet->addressBook()->refresh();
return wallet;
}
Wallet *WalletManagerImpl::recoveryWallet(const std::string &path, const std::string &memo, bool testnet, uint64_t restoreHeight)
{
WalletImpl * wallet = new WalletImpl(testnet);
if(restoreHeight > 0){
wallet->setRefreshFromBlockHeight(restoreHeight);
}
wallet->recover(path, memo);
return wallet;
}
Wallet *WalletManagerImpl::createWalletFromKeys(const std::string &path,
const std::string &language,
bool testnet,
uint64_t restoreHeight,
const std::string &addressString,
const std::string &viewKeyString,
const std::string &spendKeyString)
{
WalletImpl * wallet = new WalletImpl(testnet);
if(restoreHeight > 0){
wallet->setRefreshFromBlockHeight(restoreHeight);
}
wallet->recoverFromKeys(path, language, addressString, viewKeyString, spendKeyString);
return wallet;
}
bool WalletManagerImpl::closeWallet(Wallet *wallet)
{
WalletImpl * wallet_ = dynamic_cast<WalletImpl*>(wallet);
bool result = wallet_->close();
if (!result) {
m_errorString = wallet_->errorString();
} else {
delete wallet_;
}
return result;
}
bool WalletManagerImpl::walletExists(const std::string &path)
{
bool keys_file_exists;
bool wallet_file_exists;
tools::wallet2::wallet_exists(path, keys_file_exists, wallet_file_exists);
if(keys_file_exists){
return true;
}
return false;
}
std::vector<std::string> WalletManagerImpl::findWallets(const std::string &path)
{
std::vector<std::string> result;
boost::filesystem::path work_dir(path);
// return empty result if path doesn't exist
if(!boost::filesystem::is_directory(path)){
return result;
}
const boost::regex wallet_rx("(.*)\\.(keys)$"); // searching for <wallet_name>.keys files
boost::filesystem::recursive_directory_iterator end_itr; // Default ctor yields past-the-end
for (boost::filesystem::recursive_directory_iterator itr(path); itr != end_itr; ++itr) {
// Skip if not a file
if (!boost::filesystem::is_regular_file(itr->status()))
continue;
boost::smatch what;
std::string filename = itr->path().filename().string();
LOG_PRINT_L3("Checking filename: " << filename);
bool matched = boost::regex_match(filename, what, wallet_rx);
if (matched) {
// if keys file found, checking if there's wallet file itself
std::string wallet_file = (itr->path().parent_path() /= what[1].str()).string();
if (boost::filesystem::exists(wallet_file)) {
LOG_PRINT_L3("Found wallet: " << wallet_file);
result.push_back(wallet_file);
}
}
}
return result;
}
std::string WalletManagerImpl::errorString() const
{
return m_errorString;
}
void WalletManagerImpl::setDaemonAddress(const std::string &address)
{
m_daemonAddress = address;
}
bool WalletManagerImpl::connected(uint32_t *version) const
{
epee::json_rpc::request<cryptonote::COMMAND_RPC_GET_VERSION::request> req_t = AUTO_VAL_INIT(req_t);
epee::json_rpc::response<cryptonote::COMMAND_RPC_GET_VERSION::response, std::string> resp_t = AUTO_VAL_INIT(resp_t);
req_t.jsonrpc = "2.0";
req_t.id = epee::serialization::storage_entry(0);
req_t.method = "get_version";
if (!connect_and_invoke(m_daemonAddress, "/json_rpc", req_t, resp_t))
return false;
if (version)
*version = resp_t.result.version;
return true;
}
bool WalletManagerImpl::checkPayment(const std::string &address_text, const std::string &txid_text, const std::string &txkey_text, const std::string &daemon_address, uint64_t &received, uint64_t &height, std::string &error) const
{
error = "";
cryptonote::blobdata txid_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(txid_text, txid_data) || txid_data.size() != sizeof(crypto::hash))
{
error = tr("failed to parse txid");
return false;
}
crypto::hash txid = *reinterpret_cast<const crypto::hash*>(txid_data.data());
if (txkey_text.size() < 64 || txkey_text.size() % 64)
{
error = tr("failed to parse tx key");
return false;
}
crypto::secret_key tx_key;
cryptonote::blobdata tx_key_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(txkey_text, tx_key_data) || tx_key_data.size() != sizeof(crypto::hash))
{
error = tr("failed to parse tx key");
return false;
}
tx_key = *reinterpret_cast<const crypto::secret_key*>(tx_key_data.data());
bool testnet = address_text[0] != '4';
cryptonote::account_public_address address;
bool has_payment_id;
crypto::hash8 payment_id;
if(!cryptonote::get_account_integrated_address_from_str(address, has_payment_id, payment_id, testnet, address_text))
{
error = tr("failed to parse address");
return false;
}
cryptonote::COMMAND_RPC_GET_TRANSACTIONS::request req;
cryptonote::COMMAND_RPC_GET_TRANSACTIONS::response res;
req.txs_hashes.push_back(epee::string_tools::pod_to_hex(txid));
if (!connect_and_invoke(m_daemonAddress, "/gettransactions", req, res) ||
(res.txs.size() != 1 && res.txs_as_hex.size() != 1))
{
error = tr("failed to get transaction from daemon");
return false;
}
cryptonote::blobdata tx_data;
bool ok;
if (res.txs.size() == 1)
ok = epee::string_tools::parse_hexstr_to_binbuff(res.txs.front().as_hex, tx_data);
else
ok = epee::string_tools::parse_hexstr_to_binbuff(res.txs_as_hex.front(), tx_data);
if (!ok)
{
error = tr("failed to parse transaction from daemon");
return false;
}
crypto::hash tx_hash, tx_prefix_hash;
cryptonote::transaction tx;
if (!cryptonote::parse_and_validate_tx_from_blob(tx_data, tx, tx_hash, tx_prefix_hash))
{
error = tr("failed to validate transaction from daemon");
return false;
}
if (tx_hash != txid)
{
error = tr("failed to get the right transaction from daemon");
return false;
}
crypto::key_derivation derivation;
if (!crypto::generate_key_derivation(address.m_view_public_key, tx_key, derivation))
{
error = tr("failed to generate key derivation from supplied parameters");
return false;
}
received = 0;
try {
for (size_t n = 0; n < tx.vout.size(); ++n)
{
if (typeid(cryptonote::txout_to_key) != tx.vout[n].target.type())
continue;
const cryptonote::txout_to_key tx_out_to_key = boost::get<cryptonote::txout_to_key>(tx.vout[n].target);
crypto::public_key pubkey;
derive_public_key(derivation, n, address.m_spend_public_key, pubkey);
if (pubkey == tx_out_to_key.key)
{
uint64_t amount;
if (tx.version == 1)
{
amount = tx.vout[n].amount;
}
else
{
try
{
rct::key Ctmp;
//rct::key amount_key = rct::hash_to_scalar(rct::scalarmultKey(rct::pk2rct(address.m_view_public_key), rct::sk2rct(tx_key)));
crypto::key_derivation derivation;
bool r = crypto::generate_key_derivation(address.m_view_public_key, tx_key, derivation);
if (!r)
{
LOG_ERROR("Failed to generate key derivation to decode rct output " << n);
amount = 0;
}
else
{
crypto::secret_key scalar1;
crypto::derivation_to_scalar(derivation, n, scalar1);
rct::ecdhTuple ecdh_info = tx.rct_signatures.ecdhInfo[n];
rct::ecdhDecode(ecdh_info, rct::sk2rct(scalar1));
rct::key C = tx.rct_signatures.outPk[n].mask;
rct::addKeys2(Ctmp, ecdh_info.mask, ecdh_info.amount, rct::H);
if (rct::equalKeys(C, Ctmp))
amount = rct::h2d(ecdh_info.amount);
else
amount = 0;
}
}
catch (...) { amount = 0; }
}
received += amount;
}
}
}
catch(const std::exception &e)
{
LOG_ERROR("error: " << e.what());
error = std::string(tr("error: ")) + e.what();
return false;
}
if (received > 0)
{
LOG_PRINT_L1(get_account_address_as_str(testnet, address) << " " << tr("received") << " " << cryptonote::print_money(received) << " " << tr("in txid") << " " << txid);
}
else
{
LOG_PRINT_L1(get_account_address_as_str(testnet, address) << " " << tr("received nothing in txid") << " " << txid);
}
if (res.txs.front().in_pool)
{
height = 0;
}
else
{
height = res.txs.front().block_height;
}
return true;
}
uint64_t WalletManagerImpl::blockchainHeight() const
{
cryptonote::COMMAND_RPC_GET_INFO::request ireq;
cryptonote::COMMAND_RPC_GET_INFO::response ires;
if (!connect_and_invoke(m_daemonAddress, "/getinfo", ireq, ires))
return 0;
return ires.height;
}
uint64_t WalletManagerImpl::blockchainTargetHeight() const
{
cryptonote::COMMAND_RPC_GET_INFO::request ireq;
cryptonote::COMMAND_RPC_GET_INFO::response ires;
if (!connect_and_invoke(m_daemonAddress, "/getinfo", ireq, ires))
return 0;
return ires.target_height >= ires.height ? ires.target_height : ires.height;
}
uint64_t WalletManagerImpl::networkDifficulty() const
{
cryptonote::COMMAND_RPC_GET_INFO::request ireq;
cryptonote::COMMAND_RPC_GET_INFO::response ires;
if (!connect_and_invoke(m_daemonAddress, "/getinfo", ireq, ires))
return 0;
return ires.difficulty;
}
double WalletManagerImpl::miningHashRate() const
{
cryptonote::COMMAND_RPC_MINING_STATUS::request mreq;
cryptonote::COMMAND_RPC_MINING_STATUS::response mres;
epee::net_utils::http::http_simple_client http_client;
if (!connect_and_invoke(m_daemonAddress, "/mining_status", mreq, mres))
return 0.0;
if (!mres.active)
return 0.0;
return mres.speed;
}
void WalletManagerImpl::hardForkInfo(uint8_t &version, uint64_t &earliest_height) const
{
epee::json_rpc::request<cryptonote::COMMAND_RPC_HARD_FORK_INFO::request> req_t = AUTO_VAL_INIT(req_t);
epee::json_rpc::response<cryptonote::COMMAND_RPC_HARD_FORK_INFO::response, std::string> resp_t = AUTO_VAL_INIT(resp_t);
version = 0;
earliest_height = 0;
epee::net_utils::http::http_simple_client http_client;
req_t.jsonrpc = "2.0";
req_t.id = epee::serialization::storage_entry(0);
req_t.method = "hard_fork_info";
req_t.params.version = 0;
bool r = connect_and_invoke(m_daemonAddress, "/json_rpc", req_t, resp_t);
if (!r || resp_t.result.status != CORE_RPC_STATUS_OK)
return;
version = resp_t.result.version;
earliest_height = resp_t.result.earliest_height;
}
uint64_t WalletManagerImpl::blockTarget() const
{
cryptonote::COMMAND_RPC_GET_INFO::request ireq;
cryptonote::COMMAND_RPC_GET_INFO::response ires;
if (!connect_and_invoke(m_daemonAddress, "/getinfo", ireq, ires))
return 0;
return ires.target;
}
bool WalletManagerImpl::isMining() const
{
cryptonote::COMMAND_RPC_MINING_STATUS::request mreq;
cryptonote::COMMAND_RPC_MINING_STATUS::response mres;
if (!connect_and_invoke(m_daemonAddress, "/mining_status", mreq, mres))
return false;
return mres.active;
}
bool WalletManagerImpl::startMining(const std::string &address, uint32_t threads)
{
cryptonote::COMMAND_RPC_START_MINING::request mreq;
cryptonote::COMMAND_RPC_START_MINING::response mres;
mreq.miner_address = address;
mreq.threads_count = threads;
if (!connect_and_invoke(m_daemonAddress, "/start_mining", mreq, mres))
return false;
return mres.status == CORE_RPC_STATUS_OK;
}
bool WalletManagerImpl::stopMining()
{
cryptonote::COMMAND_RPC_STOP_MINING::request mreq;
cryptonote::COMMAND_RPC_STOP_MINING::response mres;
if (!connect_and_invoke(m_daemonAddress, "/stop_mining", mreq, mres))
return false;
return mres.status == CORE_RPC_STATUS_OK;
}
std::string WalletManagerImpl::resolveOpenAlias(const std::string &address, bool &dnssec_valid) const
{
std::vector<std::string> addresses = tools::dns_utils::addresses_from_url(address, dnssec_valid);
if (addresses.empty())
return "";
return addresses.front();
}
std::tuple<bool, std::string, std::string, std::string, std::string> WalletManager::checkUpdates(const std::string &software, const std::string &subdir)
{
#ifdef BUILD_TAG
static const char buildtag[] = BOOST_PP_STRINGIZE(BUILD_TAG);
#else
static const char buildtag[] = "source";
#endif
std::string version, hash;
MDEBUG("Checking for a new " << software << " version for " << buildtag);
if (!tools::check_updates(software, buildtag, version, hash))
return std::make_tuple(false, "", "", "", "");
if (tools::vercmp(version.c_str(), MONERO_VERSION) > 0)
{
std::string user_url = tools::get_update_url(software, subdir, buildtag, version, true);
std::string auto_url = tools::get_update_url(software, subdir, buildtag, version, false);
MGINFO("Version " << version << " of " << software << " for " << buildtag << " is available: " << user_url << ", SHA256 hash " << hash);
return std::make_tuple(true, version, hash, user_url, auto_url);
}
return std::make_tuple(false, "", "", "", "");
}
///////////////////// WalletManagerFactory implementation //////////////////////
WalletManager *WalletManagerFactory::getWalletManager()
{
static WalletManagerImpl * g_walletManager = nullptr;
if (!g_walletManager) {
g_walletManager = new WalletManagerImpl();
}
return g_walletManager;
}
void WalletManagerFactory::setLogLevel(int level)
{
mlog_set_log_level(level);
}
void WalletManagerFactory::setLogCategories(const std::string &categories)
{
mlog_set_categories(categories.c_str());
}
}
namespace Bitmonero = Monero;