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// Copyright (c) 2014-2020, 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 "transaction_history.h"
#include "transaction_info.h"
#include "wallet.h"
#include "crypto/hash.h"
#include "wallet/wallet2.h"
#include <string>
#include <list>
using namespace epee;
namespace Monero {
TransactionHistory::~TransactionHistory() {}
TransactionHistoryImpl::TransactionHistoryImpl(WalletImpl *wallet)
: m_wallet(wallet)
{
}
TransactionHistoryImpl::~TransactionHistoryImpl()
{
for (auto t : m_history)
delete t;
}
int TransactionHistoryImpl::count() const
{
boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
int result = m_history.size();
return result;
}
TransactionInfo *TransactionHistoryImpl::transaction(int index) const
{
boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
// sanity check
if (index < 0)
return nullptr;
unsigned index_ = static_cast<unsigned>(index);
return index_ < m_history.size() ? m_history[index_] : nullptr;
}
TransactionInfo *TransactionHistoryImpl::transaction(const std::string &id) const
{
boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
auto itr = std::find_if(m_history.begin(), m_history.end(),
[&](const TransactionInfo * ti) {
return ti->hash() == id;
});
return itr != m_history.end() ? *itr : nullptr;
}
std::vector<TransactionInfo *> TransactionHistoryImpl::getAll() const
{
boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
return m_history;
}
void TransactionHistoryImpl::refresh()
{
// multithreaded access:
// boost::lock_guard<boost::mutex> guarg(m_historyMutex);
// for "write" access, locking exclusively
boost::unique_lock<boost::shared_mutex> lock(m_historyMutex);
// TODO: configurable values;
uint64_t min_height = 0;
uint64_t max_height = (uint64_t)-1;
uint64_t wallet_height = m_wallet->blockChainHeight();
// delete old transactions;
for (auto t : m_history)
delete t;
m_history.clear();
// transactions are stored in wallet2:
// - confirmed_transfer_details - out transfers
// - unconfirmed_transfer_details - pending out transfers
// - payment_details - input transfers
// payments are "input transactions";
// one input transaction contains only one transfer. e.g. <transaction_id> - <100XMR>
std::list<std::pair<crypto::hash, tools::wallet2::payment_details>> in_payments;
m_wallet->m_wallet->get_payments(in_payments, min_height, max_height);
for (std::list<std::pair<crypto::hash, tools::wallet2::payment_details>>::const_iterator i = in_payments.begin(); i != in_payments.end(); ++i) {
const tools::wallet2::payment_details &pd = i->second;
std::string payment_id = string_tools::pod_to_hex(i->first);
if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
payment_id = payment_id.substr(0,16);
TransactionInfoImpl * ti = new TransactionInfoImpl();
ti->m_paymentid = payment_id;
ti->m_coinbase = pd.m_coinbase;
ti->m_amount = pd.m_amount;
ti->m_direction = TransactionInfo::Direction_In;
ti->m_hash = string_tools::pod_to_hex(pd.m_tx_hash);
ti->m_blockheight = pd.m_block_height;
ti->m_description = m_wallet->m_wallet->get_tx_note(pd.m_tx_hash);
ti->m_subaddrIndex = { pd.m_subaddr_index.minor };
ti->m_subaddrAccount = pd.m_subaddr_index.major;
ti->m_label = m_wallet->m_wallet->get_subaddress_label(pd.m_subaddr_index);
ti->m_timestamp = pd.m_timestamp;
ti->m_confirmations = (wallet_height > pd.m_block_height) ? wallet_height - pd.m_block_height : 0;
ti->m_unlock_time = pd.m_unlock_time;
m_history.push_back(ti);
}
// confirmed output transactions
// one output transaction may contain more than one money transfer, e.g.
// <transaction_id>:
// transfer1: 100XMR to <address_1>
// transfer2: 50XMR to <address_2>
// fee: fee charged per transaction
//
std::list<std::pair<crypto::hash, tools::wallet2::confirmed_transfer_details>> out_payments;
m_wallet->m_wallet->get_payments_out(out_payments, min_height, max_height);
for (std::list<std::pair<crypto::hash, tools::wallet2::confirmed_transfer_details>>::const_iterator i = out_payments.begin();
i != out_payments.end(); ++i) {
const crypto::hash &hash = i->first;
const tools::wallet2::confirmed_transfer_details &pd = i->second;
uint64_t change = pd.m_change == (uint64_t)-1 ? 0 : pd.m_change; // change may not be known
uint64_t fee = pd.m_amount_in - pd.m_amount_out;
std::string payment_id = string_tools::pod_to_hex(i->second.m_payment_id);
if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
payment_id = payment_id.substr(0,16);
TransactionInfoImpl * ti = new TransactionInfoImpl();
ti->m_paymentid = payment_id;
ti->m_amount = pd.m_amount_in - change - fee;
ti->m_fee = fee;
ti->m_direction = TransactionInfo::Direction_Out;
ti->m_hash = string_tools::pod_to_hex(hash);
ti->m_blockheight = pd.m_block_height;
ti->m_description = m_wallet->m_wallet->get_tx_note(hash);
ti->m_subaddrIndex = pd.m_subaddr_indices;
ti->m_subaddrAccount = pd.m_subaddr_account;
ti->m_label = pd.m_subaddr_indices.size() == 1 ? m_wallet->m_wallet->get_subaddress_label({pd.m_subaddr_account, *pd.m_subaddr_indices.begin()}) : "";
ti->m_timestamp = pd.m_timestamp;
ti->m_confirmations = (wallet_height > pd.m_block_height) ? wallet_height - pd.m_block_height : 0;
// single output transaction might contain multiple transfers
for (const auto &d: pd.m_dests) {
ti->m_transfers.push_back({d.amount, d.address(m_wallet->m_wallet->nettype(), pd.m_payment_id)});
}
m_history.push_back(ti);
}
// unconfirmed output transactions
std::list<std::pair<crypto::hash, tools::wallet2::unconfirmed_transfer_details>> upayments_out;
m_wallet->m_wallet->get_unconfirmed_payments_out(upayments_out);
for (std::list<std::pair<crypto::hash, tools::wallet2::unconfirmed_transfer_details>>::const_iterator i = upayments_out.begin(); i != upayments_out.end(); ++i) {
const tools::wallet2::unconfirmed_transfer_details &pd = i->second;
const crypto::hash &hash = i->first;
uint64_t amount = pd.m_amount_in;
uint64_t fee = amount - pd.m_amount_out;
std::string payment_id = string_tools::pod_to_hex(i->second.m_payment_id);
if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
payment_id = payment_id.substr(0,16);
bool is_failed = pd.m_state == tools::wallet2::unconfirmed_transfer_details::failed;
TransactionInfoImpl * ti = new TransactionInfoImpl();
ti->m_paymentid = payment_id;
ti->m_amount = amount - pd.m_change - fee;
ti->m_fee = fee;
ti->m_direction = TransactionInfo::Direction_Out;
ti->m_failed = is_failed;
ti->m_pending = true;
ti->m_hash = string_tools::pod_to_hex(hash);
ti->m_description = m_wallet->m_wallet->get_tx_note(hash);
ti->m_subaddrIndex = pd.m_subaddr_indices;
ti->m_subaddrAccount = pd.m_subaddr_account;
ti->m_label = pd.m_subaddr_indices.size() == 1 ? m_wallet->m_wallet->get_subaddress_label({pd.m_subaddr_account, *pd.m_subaddr_indices.begin()}) : "";
ti->m_timestamp = pd.m_timestamp;
ti->m_confirmations = 0;
m_history.push_back(ti);
}
// unconfirmed payments (tx pool)
std::list<std::pair<crypto::hash, tools::wallet2::pool_payment_details>> upayments;
m_wallet->m_wallet->get_unconfirmed_payments(upayments);
for (std::list<std::pair<crypto::hash, tools::wallet2::pool_payment_details>>::const_iterator i = upayments.begin(); i != upayments.end(); ++i) {
const tools::wallet2::payment_details &pd = i->second.m_pd;
std::string payment_id = string_tools::pod_to_hex(i->first);
if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
payment_id = payment_id.substr(0,16);
TransactionInfoImpl * ti = new TransactionInfoImpl();
ti->m_paymentid = payment_id;
ti->m_amount = pd.m_amount;
ti->m_direction = TransactionInfo::Direction_In;
ti->m_hash = string_tools::pod_to_hex(pd.m_tx_hash);
ti->m_blockheight = pd.m_block_height;
ti->m_description = m_wallet->m_wallet->get_tx_note(pd.m_tx_hash);
ti->m_pending = true;
ti->m_subaddrIndex = { pd.m_subaddr_index.minor };
ti->m_subaddrAccount = pd.m_subaddr_index.major;
ti->m_label = m_wallet->m_wallet->get_subaddress_label(pd.m_subaddr_index);
ti->m_timestamp = pd.m_timestamp;
ti->m_confirmations = 0;
m_history.push_back(ti);
LOG_PRINT_L1(__FUNCTION__ << ": Unconfirmed payment found " << pd.m_amount);
}
}
} // namespace
namespace Bitmonero = Monero;
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