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Peya/tests/unit_tests/wallet_tx_builder.cpp

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// Copyright (c) 2025, 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,
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#include "unit_tests_utils.h"
#include "gtest/gtest.h"
#include "carrot_core/config.h"
#include "common/container_helpers.h"
#include "ringct/rctOps.h"
#include "ringct/rctSigs.h"
#include "tx_construction_helpers.h"
#include "wallet/tx_builder.h"
static tools::wallet2::transfer_details gen_transfer_details()
{
return tools::wallet2::transfer_details{
.m_block_height = crypto::rand_idx<uint64_t>(CRYPTONOTE_MAX_BLOCK_NUMBER),
.m_tx = {},
.m_txid = crypto::rand<crypto::hash>(),
.m_internal_output_index = crypto::rand_idx<uint64_t>(carrot::CARROT_MAX_TX_OUTPUTS),
.m_global_output_index = crypto::rand_idx<uint64_t>(CRYPTONOTE_MAX_BLOCK_NUMBER * 1000ull),
.m_spent = false,
.m_frozen = false,
.m_spent_height = 0,
.m_key_image = crypto::key_image{rct::rct2pk(rct::pkGen())},
.m_mask = rct::skGen(),
.m_amount = crypto::rand_range<rct::xmr_amount>(0, COIN), // [0, 1] XMR i.e. [0, 1e12] pXMR
.m_rct = true,
.m_key_image_known = true,
.m_key_image_request = false,
.m_pk_index = 1,
.m_subaddr_index = {},
.m_key_image_partial = false,
.m_multisig_k = {},
.m_multisig_info = {},
.m_uses = {},
};
}
static bool compare_transfer_to_selected_input(const tools::wallet2::transfer_details &td,
const carrot::CarrotSelectedInput &input)
{
return td.m_amount == input.amount && td.m_key_image == input.key_image;
}
TEST(wallet_tx_builder, input_selection_basic)
{
std::map<std::size_t, rct::xmr_amount> fee_by_input_count;
for (size_t i = carrot::CARROT_MIN_TX_INPUTS; i <= carrot::CARROT_MAX_TX_INPUTS; ++i)
fee_by_input_count[i] = 30680000 * i - i*i;
const boost::multiprecision::int128_t nominal_output_sum = 4444444444444; // 4.444... XMR
// add 10 random transfers
tools::wallet2::transfer_container transfers;
for (size_t i = 0; i < 10; ++i)
{
tools::wallet2::transfer_details &td = tools::add_element(transfers);
td = gen_transfer_details();
td.m_block_height = transfers.size(); // small ascending block heights
}
// modify one so that it funds the transfer all by itself
const size_t rand_idx = crypto::rand_idx(transfers.size());
transfers[rand_idx].m_amount = boost::numeric_cast<rct::xmr_amount>(nominal_output_sum +
fee_by_input_count.crbegin()->second +
crypto::rand_range<rct::xmr_amount>(0, COIN));
// set such that all transfers are unlocked
const std::uint64_t top_block_index = transfers.size() + CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE;
// make input selector
std::set<size_t> selected_transfer_indices;
const carrot::select_inputs_func_t input_selector = tools::wallet::make_wallet2_single_transfer_input_selector(
transfers,
/*from_account=*/0,
/*from_subaddresses=*/{},
/*ignore_above=*/std::numeric_limits<rct::xmr_amount>::max(),
/*ignore_below=*/0,
top_block_index,
/*allow_carrot_external_inputs_in_normal_transfers=*/true,
/*allow_pre_carrot_inputs_in_normal_transfers=*/true,
selected_transfer_indices
);
// select inputs
std::vector<carrot::CarrotSelectedInput> selected_inputs;
input_selector(nominal_output_sum,
fee_by_input_count,
1, // number of normal payment proposals
1, // number of self-send payment proposals
selected_inputs);
ASSERT_EQ(2, selected_inputs.size()); // assert two inputs selected
ASSERT_EQ(2, selected_transfer_indices.size());
ASSERT_LT(*selected_transfer_indices.crbegin(), transfers.size());
ASSERT_NE(selected_inputs.front().key_image, selected_inputs.back().key_image);
// Assert content of selected inputs matches the content in `transfers`
std::set<size_t> matched_transfer_indices;
for (const carrot::CarrotSelectedInput &selected_input : selected_inputs)
{
for (const size_t selected_transfer_index : selected_transfer_indices)
{
if (compare_transfer_to_selected_input(transfers.at(selected_transfer_index), selected_input))
{
const auto insert_res = matched_transfer_indices.insert(selected_transfer_index);
if (insert_res.second)
break;
}
}
}
ASSERT_EQ(selected_transfer_indices.size(), matched_transfer_indices.size());
}
//----------------------------------------------------------------------------------------------------------------------
TEST(wallet_tx_builder, make_carrot_transaction_proposal_wallet2_transfer_1)
{
cryptonote::account_base alice;
alice.generate();
cryptonote::account_base bob;
bob.generate();
const tools::wallet2::transfer_container transfers{
gen_transfer_details(),
gen_transfer_details()};
const rct::xmr_amount out_amount = rct::randXmrAmount(transfers.front().amount() / 2);
const std::vector<cryptonote::tx_destination_entry> dsts{
cryptonote::tx_destination_entry(out_amount, bob.get_keys().m_account_address, false)
};
const uint64_t top_block_index = std::max(transfers.front().m_block_height, transfers.back().m_block_height)
+ CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE;
const std::vector<carrot::CarrotTransactionProposalV1> tx_proposals = tools::wallet::make_carrot_transaction_proposals_wallet2_transfer(
transfers,
/*subaddress_map=*/{},
dsts,
/*fee_per_weight=*/1,
/*extra=*/{},
/*subaddr_account=*/0,
/*subaddr_indices=*/{},
/*ignore_above=*/MONEY_SUPPLY,
/*ignore_below=*/0,
{},
top_block_index,
alice);
ASSERT_EQ(1, tx_proposals.size());
const carrot::CarrotTransactionProposalV1 tx_proposal = tx_proposals.at(0);
std::vector<crypto::key_image> expected_key_images{
transfers.front().m_key_image,
transfers.back().m_key_image};
std::sort(expected_key_images.begin(),
expected_key_images.end(),
std::greater{});
// Assert basic length facts about tx proposal
ASSERT_EQ(2, tx_proposal.key_images_sorted.size()); // we always try 2 when available
EXPECT_EQ(expected_key_images, tx_proposal.key_images_sorted);
ASSERT_EQ(1, tx_proposal.normal_payment_proposals.size());
ASSERT_EQ(1, tx_proposal.selfsend_payment_proposals.size());
EXPECT_EQ(0, tx_proposal.extra.size());
// Assert amounts
EXPECT_EQ(out_amount, tx_proposal.normal_payment_proposals.front().amount);
EXPECT_EQ(out_amount + tx_proposal.selfsend_payment_proposals.front().proposal.amount + tx_proposal.fee,
transfers.front().amount() + transfers.back().amount());
}
//----------------------------------------------------------------------------------------------------------------------
TEST(wallet_tx_builder, make_carrot_transaction_proposal_wallet2_sweep_1)
{
cryptonote::account_base alice;
alice.generate();
cryptonote::account_base bob;
bob.generate();
const tools::wallet2::transfer_container transfers{gen_transfer_details()};
const carrot::CarrotTransactionProposalV1 tx_proposal = tools::wallet::make_carrot_transaction_proposal_wallet2_sweep(
transfers,
/*subaddress_map=*/{},
{transfers.front().m_key_image},
bob.get_keys().m_account_address,
/*is_subaddress=*/false,
/*n_dests=*/1,
/*fee_per_weight=*/1,
/*extra=*/{},
transfers.front().m_block_height + CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE,
alice);
// Assert basic length facts about tx proposal
ASSERT_EQ(1, tx_proposal.key_images_sorted.size());
EXPECT_EQ(transfers.front().m_key_image, tx_proposal.key_images_sorted.front());
ASSERT_EQ(1, tx_proposal.normal_payment_proposals.size());
ASSERT_EQ(1, tx_proposal.selfsend_payment_proposals.size());
EXPECT_EQ(0, tx_proposal.extra.size());
// Assert amounts
EXPECT_EQ(0, tx_proposal.selfsend_payment_proposals.front().proposal.amount);
EXPECT_EQ(transfers.front().amount(), tx_proposal.fee + tx_proposal.normal_payment_proposals.front().amount);
}
//----------------------------------------------------------------------------------------------------------------------