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mymonero-core-cpp/src/monero_paymentID_utils.cpp

85 lines
3.1 KiB

//
// monero_paymentID_utils.cpp
// Copyright (c) 2014-2018, MyMonero.com
//
// 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.
//
//
#include "monero_paymentID_utils.hpp"
#include "cryptonote_basic.h"
#include "cryptonote_basic/blobdatatype.h"
//
#include "string_tools.h"
using namespace epee;
//
//
crypto::hash8 monero_paymentID_utils::new_short_plain_paymentID()
{
return crypto::rand<crypto::hash8>();
}
//
bool monero_paymentID_utils::parse_long_payment_id(const std::string& payment_id_str, crypto::hash& payment_id)
{
cryptonote::blobdata payment_id_data;
if (!epee::string_tools::parse_hexstr_to_binbuff(payment_id_str, payment_id_data)) {
return false;
}
if (sizeof(crypto::hash) != payment_id_data.size()) {
return false;
}
payment_id = *reinterpret_cast<const crypto::hash*>(payment_id_data.data());
//
return true;
}
bool monero_paymentID_utils::parse_short_payment_id(const std::string& payment_id_str, crypto::hash8& payment_id)
{
cryptonote::blobdata payment_id_data;
if (!epee::string_tools::parse_hexstr_to_binbuff(payment_id_str, payment_id_data)) {
return false;
}
if (sizeof(crypto::hash8) != payment_id_data.size()) {
return false;
}
payment_id = *reinterpret_cast<const crypto::hash8*>(payment_id_data.data());
//
return true;
}
bool monero_paymentID_utils::parse_payment_id(const std::string& payment_id_str, crypto::hash& payment_id)
{
if (parse_long_payment_id(payment_id_str, payment_id)) {
return true;
}
crypto::hash8 payment_id8;
if (parse_short_payment_id(payment_id_str, payment_id8)) {
memcpy(payment_id.data, payment_id8.data, 8);
memset(payment_id.data + 8, 0, 24);
return true;
}
return false;
}