api implementation splitted over separate files

1 files changed, 411 insertions, 0 deletions

diff --git a/src/wallet/api/wallet.cpp b/src/wallet/api/wallet.cpp
new file mode 100644
index 000000000..e42f04cf7
--- /dev/null
+++ b/src/wallet/api/wallet.cpp
@@ -0,0 +1,411 @@
+// 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 "common_defines.h"
+
+#include "mnemonics/electrum-words.h"
+#include <boost/format.hpp>
+
+using namespace std;
+using namespace cryptonote;
+
+namespace Bitmonero {
+
+namespace {
+    // copy-pasted from simplewallet
+    static const size_t DEFAULT_MIX = 4;
+}
+
+Wallet::~Wallet() {}
+
+string Wallet::displayAmount(uint64_t amount)
+{
+    return cryptonote::print_money(amount);
+}
+
+///////////////////////// WalletImpl implementation ////////////////////////
+WalletImpl::WalletImpl(bool testnet)
+    :m_wallet(nullptr), m_status(Wallet::Status_Ok)
+{
+    m_wallet = new tools::wallet2(testnet);
+}
+
+WalletImpl::~WalletImpl()
+{
+    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());
+}
+
+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;
+}
+
+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);
+    } 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, uint64_t amount)
+{
+    clearStatus();
+    vector<cryptonote::tx_destination_entry> dsts;
+    cryptonote::tx_destination_entry de;
+    bool has_payment_id;
+    crypto::hash8 new_payment_id;
+
+    // TODO:  (https://bitcointalk.org/index.php?topic=753252.msg9985441#msg9985441)
+    size_t fake_outs_count = m_wallet->default_mixin();
+    if (fake_outs_count == 0)
+        fake_outs_count = DEFAULT_MIX;
+
+    TransactionImpl * transaction = new TransactionImpl(this);
+
+    do {
+
+        if(!cryptonote::get_account_integrated_address_from_str(de.addr, has_payment_id, new_payment_id, 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;
+        }
+
+        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;
+        std::vector<uint8_t> extra;
+
+
+        try {
+            transaction->m_pending_tx = m_wallet->create_transactions(dsts, fake_outs_count, 0 /* unlock_time */, 0 /* unused fee arg*/, extra);
+
+        } 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(m_errorString);
+
+            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());
+
+        } catch (const tools::error::not_enough_outs_to_mix& e) {
+            std::ostringstream writer(m_errorString);
+            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_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(m_errorString);
+            writer << (boost::format(tr("transaction %s was rejected by daemon with status: ")) % get_transaction_hash(e.tx())) <<  e.status();
+            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 nullptr;
+}
+
+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::clearStatus()
+{
+    m_status = Status_Ok;
+    m_errorString.clear();
+}
+
+
+} // namespace