diff options
Diffstat (limited to 'src/wallet/api/wallet.cpp')
-rw-r--r-- | src/wallet/api/wallet.cpp | 588 |
1 files changed, 588 insertions, 0 deletions
diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp new file mode 100644 index 000000000..be379cb99 --- /dev/null +++ b/src/wallet/api/wallet.cpp @@ -0,0 +1,588 @@ +// Copyright (c) 2014-2016, 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.h" +#include "pending_transaction.h" +#include "transaction_history.h" +#include "common_defines.h" + +#include "mnemonics/electrum-words.h" +#include <boost/format.hpp> +#include <sstream> + +using namespace std; +using namespace cryptonote; + +namespace Bitmonero { + +namespace { + // copy-pasted from simplewallet + static const size_t DEFAULT_MIXIN = 4; +} + +struct Wallet2CallbackImpl : public tools::i_wallet2_callback +{ + + Wallet2CallbackImpl() + : m_listener(nullptr) + { + + } + + ~Wallet2CallbackImpl() + { + + } + + void setListener(WalletListener * listener) + { + m_listener = listener; + } + + WalletListener * getListener() const + { + return m_listener; + } + + virtual void on_new_block(uint64_t height, const cryptonote::block& block) + { + // TODO; + LOG_PRINT_L3(__FUNCTION__ << ": new block. height: " << height); + } + + virtual void on_money_received(uint64_t height, const cryptonote::transaction& tx, size_t out_index) + { + + std::string tx_hash = epee::string_tools::pod_to_hex(get_transaction_hash(tx)); + uint64_t amount = tx.vout[out_index].amount; + + LOG_PRINT_L3(__FUNCTION__ << ": money received. height: " << height + << ", tx: " << tx_hash + << ", amount: " << print_money(amount)); + if (m_listener) { + m_listener->moneyReceived(tx_hash, amount); + } + } + + virtual void on_money_spent(uint64_t height, const cryptonote::transaction& in_tx, size_t out_index, + const cryptonote::transaction& spend_tx) + { + // TODO; + std::string tx_hash = epee::string_tools::pod_to_hex(get_transaction_hash(spend_tx)); + uint64_t amount = in_tx.vout[out_index].amount; + LOG_PRINT_L3(__FUNCTION__ << ": money spent. height: " << height + << ", tx: " << tx_hash + << ", amount: " << print_money(amount)); + if (m_listener) { + m_listener->moneySpent(tx_hash, amount); + } + } + + virtual void on_skip_transaction(uint64_t height, const cryptonote::transaction& tx) + { + // TODO; + } + + WalletListener * m_listener; +}; + +Wallet::~Wallet() {} + +WalletListener::~WalletListener() {} + +string Wallet::displayAmount(uint64_t amount) +{ + return cryptonote::print_money(amount); +} + +uint64_t Wallet::amountFromString(const string &amount) +{ + uint64_t result; + cryptonote::parse_amount(result, amount); + return result; +} + +uint64_t Wallet::amountFromDouble(double amount) +{ + std::stringstream ss; + ss << std::fixed << std::setprecision(CRYPTONOTE_DISPLAY_DECIMAL_POINT) << amount; + return amountFromString(ss.str()); +} + +std::string Wallet::genPaymentId() +{ + crypto::hash8 payment_id = crypto::rand<crypto::hash8>(); + return epee::string_tools::pod_to_hex(payment_id); + +} + + +///////////////////////// WalletImpl implementation //////////////////////// +WalletImpl::WalletImpl(bool testnet) + :m_wallet(nullptr), m_status(Wallet::Status_Ok), m_trustedDaemon(false), + m_wallet2Callback(nullptr) +{ + m_wallet = new tools::wallet2(testnet); + m_history = new TransactionHistoryImpl(this); + m_wallet2Callback = new Wallet2CallbackImpl; +} + +WalletImpl::~WalletImpl() +{ + delete m_wallet2Callback; + delete m_history; + delete m_wallet; +} + +bool WalletImpl::create(const std::string &path, const std::string &password, const std::string &language) +{ + + clearStatus(); + + bool keys_file_exists; + bool wallet_file_exists; + tools::wallet2::wallet_exists(path, keys_file_exists, wallet_file_exists); + // TODO: figure out how to setup logger; + LOG_PRINT_L3("wallet_path: " << path << ""); + LOG_PRINT_L3("keys_file_exists: " << std::boolalpha << keys_file_exists << std::noboolalpha + << " wallet_file_exists: " << std::boolalpha << wallet_file_exists << std::noboolalpha); + + + // add logic to error out if new wallet requested but named wallet file exists + if (keys_file_exists || wallet_file_exists) { + m_errorString = "attempting to generate or restore wallet, but specified file(s) exist. Exiting to not risk overwriting."; + LOG_ERROR(m_errorString); + m_status = Status_Error; + return false; + } + // TODO: validate language + m_wallet->set_seed_language(language); + crypto::secret_key recovery_val, secret_key; + try { + recovery_val = m_wallet->generate(path, password, secret_key, false, false); + m_password = password; + m_status = Status_Ok; + } catch (const std::exception &e) { + LOG_ERROR("Error creating wallet: " << e.what()); + m_status = Status_Error; + m_errorString = e.what(); + return false; + } + + return true; +} + +bool WalletImpl::open(const std::string &path, const std::string &password) +{ + clearStatus(); + try { + // TODO: handle "deprecated" + m_wallet->load(path, password); + + m_password = password; + } catch (const std::exception &e) { + LOG_ERROR("Error opening wallet: " << e.what()); + m_status = Status_Error; + m_errorString = e.what(); + } + return m_status == Status_Ok; +} + +bool WalletImpl::recover(const std::string &path, const std::string &seed) +{ + clearStatus(); + m_errorString.clear(); + if (seed.empty()) { + m_errorString = "Electrum seed is empty"; + LOG_ERROR(m_errorString); + m_status = Status_Error; + return false; + } + + crypto::secret_key recovery_key; + std::string old_language; + if (!crypto::ElectrumWords::words_to_bytes(seed, recovery_key, old_language)) { + m_errorString = "Electrum-style word list failed verification"; + m_status = Status_Error; + return false; + } + + try { + m_wallet->set_seed_language(old_language); + m_wallet->generate(path, "", recovery_key, true, false); + // TODO: wallet->init(daemon_address); + } catch (const std::exception &e) { + m_status = Status_Error; + m_errorString = e.what(); + } + return m_status == Status_Ok; +} + +bool WalletImpl::close() +{ + clearStatus(); + bool result = false; + try { + m_wallet->store(); + m_wallet->stop(); + result = true; + } catch (const std::exception &e) { + m_status = Status_Error; + m_errorString = e.what(); + LOG_ERROR("Error closing wallet: " << e.what()); + } + return result; +} + +std::string WalletImpl::seed() const +{ + std::string seed; + if (m_wallet) + m_wallet->get_seed(seed); + return seed; +} + +std::string WalletImpl::getSeedLanguage() const +{ + return m_wallet->get_seed_language(); +} + +void WalletImpl::setSeedLanguage(const std::string &arg) +{ + m_wallet->set_seed_language(arg); +} + +int WalletImpl::status() const +{ + return m_status; +} + +std::string WalletImpl::errorString() const +{ + return m_errorString; +} + +bool WalletImpl::setPassword(const std::string &password) +{ + clearStatus(); + try { + m_wallet->rewrite(m_wallet->get_wallet_file(), password); + m_password = password; + } catch (const std::exception &e) { + m_status = Status_Error; + m_errorString = e.what(); + } + return m_status == Status_Ok; +} + +std::string WalletImpl::address() const +{ + return m_wallet->get_account().get_public_address_str(m_wallet->testnet()); +} + +std::string WalletImpl::integratedAddress(const std::string &payment_id) const +{ + crypto::hash8 pid; + if (!tools::wallet2::parse_short_payment_id(payment_id, pid)) { + pid = crypto::rand<crypto::hash8>(); + } + return m_wallet->get_account().get_public_integrated_address_str(pid, m_wallet->testnet()); +} + +bool WalletImpl::store(const std::string &path) +{ + clearStatus(); + try { + if (path.empty()) { + m_wallet->store(); + } else { + m_wallet->store_to(path, m_password); + } + } catch (const std::exception &e) { + LOG_ERROR("Error storing wallet: " << e.what()); + m_status = Status_Error; + m_errorString = e.what(); + } + + return m_status == Status_Ok; +} + +string WalletImpl::filename() const +{ + return m_wallet->get_wallet_file(); +} + +string WalletImpl::keysFilename() const +{ + return m_wallet->get_keys_file(); +} + +bool WalletImpl::init(const std::string &daemon_address, uint64_t upper_transaction_size_limit) +{ + clearStatus(); + try { + m_wallet->init(daemon_address, upper_transaction_size_limit); + if (Utils::isAddressLocal(daemon_address)) { + this->setTrustedDaemon(true); + } + + } catch (const std::exception &e) { + LOG_ERROR("Error initializing wallet: " << e.what()); + m_status = Status_Error; + m_errorString = e.what(); + } + + return m_status == Status_Ok; +} + +uint64_t WalletImpl::balance() const +{ + return m_wallet->balance(); +} + +uint64_t WalletImpl::unlockedBalance() const +{ + return m_wallet->unlocked_balance(); +} + + +bool WalletImpl::refresh() +{ + clearStatus(); + try { + m_wallet->refresh(); + } catch (const std::exception &e) { + m_status = Status_Error; + m_errorString = e.what(); + } + return m_status == Status_Ok; +} + +// TODO: +// 1 - properly handle payment id (add another menthod with explicit 'payment_id' param) +// 2 - check / design how "Transaction" can be single interface +// (instead of few different data structures within wallet2 implementation: +// - pending_tx; +// - transfer_details; +// - payment_details; +// - unconfirmed_transfer_details; +// - confirmed_transfer_details) + +PendingTransaction *WalletImpl::createTransaction(const string &dst_addr, const string &payment_id, uint64_t amount, uint32_t mixin_count) +{ + clearStatus(); + vector<cryptonote::tx_destination_entry> dsts; + cryptonote::tx_destination_entry de; + + // indicates if dst_addr is integrated address (address + payment_id) + bool has_payment_id; + crypto::hash8 payment_id_short; + // TODO: (https://bitcointalk.org/index.php?topic=753252.msg9985441#msg9985441) + size_t fake_outs_count = mixin_count > 0 ? mixin_count : m_wallet->default_mixin(); + if (fake_outs_count == 0) + fake_outs_count = DEFAULT_MIXIN; + + PendingTransactionImpl * transaction = new PendingTransactionImpl(*this); + + do { + if(!cryptonote::get_account_integrated_address_from_str(de.addr, has_payment_id, payment_id_short, m_wallet->testnet(), dst_addr)) { + // TODO: copy-paste 'if treating as an address fails, try as url' from simplewallet.cpp:1982 + m_status = Status_Error; + m_errorString = "Invalid destination address"; + break; + } + + + std::vector<uint8_t> extra; + // if dst_addr is not an integrated address, parse payment_id + if (!has_payment_id && !payment_id.empty()) { + // copy-pasted from simplewallet.cpp:2212 + crypto::hash payment_id_long; + bool r = tools::wallet2::parse_long_payment_id(payment_id, payment_id_long); + if (r) { + std::string extra_nonce; + cryptonote::set_payment_id_to_tx_extra_nonce(extra_nonce, payment_id_long); + r = add_extra_nonce_to_tx_extra(extra, extra_nonce); + } else { + r = tools::wallet2::parse_short_payment_id(payment_id, payment_id_short); + if (r) { + std::string extra_nonce; + set_encrypted_payment_id_to_tx_extra_nonce(extra_nonce, payment_id_short); + r = add_extra_nonce_to_tx_extra(extra, extra_nonce); + } + } + + if (!r) { + m_status = Status_Error; + m_errorString = tr("payment id has invalid format, expected 16 or 64 character hex string: ") + payment_id; + break; + } + } + + de.amount = amount; + if (de.amount <= 0) { + m_status = Status_Error; + m_errorString = "Invalid amount"; + break; + } + + dsts.push_back(de); + //std::vector<tools::wallet2::pending_tx> ptx_vector; + + try { + transaction->m_pending_tx = m_wallet->create_transactions_2(dsts, fake_outs_count, 0 /* unlock_time */, + 0 /* unused fee arg*/, extra, m_trustedDaemon); + + } catch (const tools::error::daemon_busy&) { + // TODO: make it translatable with "tr"? + m_errorString = tr("daemon is busy. Please try again later."); + m_status = Status_Error; + } catch (const tools::error::no_connection_to_daemon&) { + m_errorString = tr("no connection to daemon. Please make sure daemon is running."); + m_status = Status_Error; + } catch (const tools::error::wallet_rpc_error& e) { + m_errorString = tr("RPC error: ") + e.to_string(); + m_status = Status_Error; + } catch (const tools::error::get_random_outs_error&) { + m_errorString = tr("failed to get random outputs to mix"); + m_status = Status_Error; + + } catch (const tools::error::not_enough_money& e) { + m_status = Status_Error; + std::ostringstream writer; + + writer << boost::format(tr("not enough money to transfer, available only %s, transaction amount %s = %s + %s (fee)")) % + print_money(e.available()) % + print_money(e.tx_amount() + e.fee()) % + print_money(e.tx_amount()) % + print_money(e.fee()); + m_errorString = writer.str(); + + } catch (const tools::error::not_enough_outs_to_mix& e) { + std::ostringstream writer; + writer << tr("not enough outputs for specified mixin_count") << " = " << e.mixin_count() << ":"; + for (const cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount& outs_for_amount : e.scanty_outs()) { + writer << "\n" << tr("output amount") << " = " << print_money(outs_for_amount.amount) << ", " << tr("found outputs to mix") << " = " << outs_for_amount.outs.size(); + } + m_errorString = writer.str(); + m_status = Status_Error; + } catch (const tools::error::tx_not_constructed&) { + m_errorString = tr("transaction was not constructed"); + m_status = Status_Error; + } catch (const tools::error::tx_rejected& e) { + std::ostringstream writer; + writer << (boost::format(tr("transaction %s was rejected by daemon with status: ")) % get_transaction_hash(e.tx())) << e.status(); + m_errorString = writer.str(); + m_status = Status_Error; + } catch (const tools::error::tx_sum_overflow& e) { + m_errorString = e.what(); + m_status = Status_Error; + } catch (const tools::error::zero_destination&) { + m_errorString = tr("one of destinations is zero"); + m_status = Status_Error; + } catch (const tools::error::tx_too_big& e) { + m_errorString = tr("failed to find a suitable way to split transactions"); + m_status = Status_Error; + } catch (const tools::error::transfer_error& e) { + m_errorString = string(tr("unknown transfer error: ")) + e.what(); + m_status = Status_Error; + } catch (const tools::error::wallet_internal_error& e) { + m_errorString = string(tr("internal error: ")) + e.what(); + m_status = Status_Error; + } catch (const std::exception& e) { + m_errorString = string(tr("unexpected error: ")) + e.what(); + m_status = Status_Error; + } catch (...) { + m_errorString = tr("unknown error"); + m_status = Status_Error; + } + } while (false); + + transaction->m_status = m_status; + transaction->m_errorString = m_errorString; + return transaction; +} + +void WalletImpl::disposeTransaction(PendingTransaction *t) +{ + delete t; +} + +TransactionHistory *WalletImpl::history() const +{ + return m_history; +} + +void WalletImpl::setListener(WalletListener *l) +{ + // TODO thread synchronization; + m_wallet2Callback->setListener(l); +} + +uint32_t WalletImpl::defaultMixin() const +{ + return m_wallet->default_mixin(); +} + +void WalletImpl::setDefaultMixin(uint32_t arg) +{ + m_wallet->default_mixin(arg); +} + + +bool WalletImpl::connectToDaemon() +{ + bool result = m_wallet->check_connection(); + m_status = result ? Status_Ok : Status_Error; + if (!result) { + m_errorString = "Error connecting to daemon at " + m_wallet->get_daemon_address(); + } + return result; +} + +void WalletImpl::setTrustedDaemon(bool arg) +{ + m_trustedDaemon = arg; +} + +bool WalletImpl::trustedDaemon() const +{ + return m_trustedDaemon; +} + +void WalletImpl::clearStatus() +{ + m_status = Status_Ok; + m_errorString.clear(); +} + + +} // namespace |