jeffro256
151 lines
6.4 KiB
C++
151 lines
6.4 KiB
C++
// Copyright (c) 2024, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//paired header
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#include "destination.h"
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//local headers
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#include "address_utils.h"
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#include "exceptions.h"
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#include "misc_log_ex.h"
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#include "ringct/rctOps.h"
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//third party headers
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//standard headers
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "carrot.dest"
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namespace carrot
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{
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//-------------------------------------------------------------------------------------------------------------------
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bool operator==(const CarrotDestinationV1 &a, const CarrotDestinationV1 &b)
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{
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return a.address_spend_pubkey == b.address_spend_pubkey &&
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a.address_view_pubkey == b.address_view_pubkey &&
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a.is_subaddress == b.is_subaddress &&
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a.payment_id == b.payment_id;
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}
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//-------------------------------------------------------------------------------------------------------------------
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void make_carrot_main_address_v1(const crypto::public_key &account_spend_pubkey,
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const crypto::public_key &primary_address_view_pubkey,
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CarrotDestinationV1 &destination_out)
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{
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destination_out = CarrotDestinationV1{
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.address_spend_pubkey = account_spend_pubkey,
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.address_view_pubkey = primary_address_view_pubkey,
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.is_subaddress = false,
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.payment_id = null_payment_id
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};
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}
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//-------------------------------------------------------------------------------------------------------------------
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void make_carrot_subaddress_v1(const crypto::public_key &account_spend_pubkey,
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const crypto::public_key &account_view_pubkey,
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const generate_address_secret_device &s_generate_address_dev,
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const std::uint32_t j_major,
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const std::uint32_t j_minor,
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CarrotDestinationV1 &destination_out)
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{
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CARROT_CHECK_AND_THROW(j_major || j_minor,
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bad_address_type, "j cannot be 0 for a subaddress, only for main addresses");
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// s^j_gen = H_32[s_ga](j_major, j_minor)
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crypto::secret_key address_index_generator;
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s_generate_address_dev.make_index_extension_generator(j_major, j_minor, address_index_generator);
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// k^j_subscal = H_n(K_s, j_major, j_minor, s^j_gen)
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crypto::secret_key subaddress_scalar;
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make_carrot_subaddress_scalar(account_spend_pubkey, address_index_generator, j_major, j_minor, subaddress_scalar);
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// K^j_s = k^j_subscal * K_s
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const rct::key address_spend_pubkey =
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rct::scalarmultKey(rct::pk2rct(account_spend_pubkey), rct::sk2rct(subaddress_scalar));
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// K^j_v = k^j_subscal * K_v
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const rct::key address_view_pubkey =
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rct::scalarmultKey(rct::pk2rct(account_view_pubkey), rct::sk2rct(subaddress_scalar));
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destination_out = CarrotDestinationV1{
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.address_spend_pubkey = rct::rct2pk(address_spend_pubkey),
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.address_view_pubkey = rct::rct2pk(address_view_pubkey),
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.is_subaddress = true,
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.payment_id = null_payment_id
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};
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}
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//-------------------------------------------------------------------------------------------------------------------
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void make_carrot_integrated_address_v1(const crypto::public_key &account_spend_pubkey,
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const crypto::public_key &primary_address_view_pubkey,
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const payment_id_t payment_id,
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CarrotDestinationV1 &destination_out)
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{
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destination_out = CarrotDestinationV1{
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.address_spend_pubkey = account_spend_pubkey,
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.address_view_pubkey = primary_address_view_pubkey,
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.is_subaddress = false,
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.payment_id = payment_id
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};
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}
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//-------------------------------------------------------------------------------------------------------------------
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CarrotDestinationV1 gen_carrot_main_address_v1()
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{
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return CarrotDestinationV1{
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.address_spend_pubkey = rct::rct2pk(rct::pkGen()),
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.address_view_pubkey = rct::rct2pk(rct::pkGen()),
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.is_subaddress = false,
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.payment_id = null_payment_id
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};
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}
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//-------------------------------------------------------------------------------------------------------------------
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CarrotDestinationV1 gen_carrot_subaddress_v1()
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{
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return CarrotDestinationV1{
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.address_spend_pubkey = rct::rct2pk(rct::pkGen()),
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.address_view_pubkey = rct::rct2pk(rct::pkGen()),
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.is_subaddress = true,
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.payment_id = null_payment_id
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};
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}
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//-------------------------------------------------------------------------------------------------------------------
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CarrotDestinationV1 gen_carrot_integrated_address_v1()
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{
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// force generate non-zero payment id
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payment_id_t payment_id{gen_payment_id()};
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while (payment_id == null_payment_id)
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payment_id = gen_payment_id();
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return CarrotDestinationV1{
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.address_spend_pubkey = rct::rct2pk(rct::pkGen()),
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.address_view_pubkey = rct::rct2pk(rct::pkGen()),
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.is_subaddress = false,
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.payment_id = payment_id
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};
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}
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//-------------------------------------------------------------------------------------------------------------------
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} //namespace carrot
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