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// Copyright (c) 2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/util/setup_common.h>
#include <wallet/coincontrol.h>
#include <wallet/fees.h>
#include <wallet/wallet.h>
#include <wallet/test/util.h>
#include <validation.h>
namespace wallet {
namespace {
const TestingSetup* g_setup;
static std::unique_ptr<CWallet> g_wallet_ptr;
void initialize_setup()
{
static const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
g_setup = testing_setup.get();
const auto& node{g_setup->m_node};
g_wallet_ptr = std::make_unique<CWallet>(node.chain.get(), "", CreateMockableWalletDatabase());
}
FUZZ_TARGET_INIT(wallet_fees, initialize_setup)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
const auto& node{g_setup->m_node};
Chainstate* chainstate = &node.chainman->ActiveChainstate();
CWallet& wallet = *g_wallet_ptr;
{
LOCK(wallet.cs_wallet);
wallet.SetLastBlockProcessed(chainstate->m_chain.Height(), chainstate->m_chain.Tip()->GetBlockHash());
}
if (fuzzed_data_provider.ConsumeBool()) {
wallet.m_discard_rate = CFeeRate{ConsumeMoney(fuzzed_data_provider, /*max=*/COIN)};
}
(void)GetDiscardRate(wallet);
const auto tx_bytes{fuzzed_data_provider.ConsumeIntegral<unsigned int>()};
if (fuzzed_data_provider.ConsumeBool()) {
wallet.m_pay_tx_fee = CFeeRate{ConsumeMoney(fuzzed_data_provider, /*max=*/COIN)};
wallet.m_min_fee = CFeeRate{ConsumeMoney(fuzzed_data_provider, /*max=*/COIN)};
}
(void)GetRequiredFee(wallet, tx_bytes);
(void)GetRequiredFeeRate(wallet);
CCoinControl coin_control;
if (fuzzed_data_provider.ConsumeBool()) {
coin_control.m_feerate = CFeeRate{ConsumeMoney(fuzzed_data_provider, /*max=*/COIN)};
}
if (fuzzed_data_provider.ConsumeBool()) {
coin_control.m_confirm_target = fuzzed_data_provider.ConsumeIntegralInRange<unsigned int>(0, 999'000);
}
FeeCalculation fee_calculation;
FeeCalculation* maybe_fee_calculation{fuzzed_data_provider.ConsumeBool() ? nullptr : &fee_calculation};
(void)GetMinimumFeeRate(wallet, coin_control, maybe_fee_calculation);
(void)GetMinimumFee(wallet, tx_bytes, coin_control, maybe_fee_calculation);
}
} // namespace
} // namespace wallet
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