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// Copyright (c) 2020 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 <policy/fees.h>
#include <primitives/transaction.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <txmempool.h>
#include <cstdint>
#include <optional>
#include <string>
#include <vector>
void initialize_policy_estimator()
{
InitializeFuzzingContext();
}
FUZZ_TARGET_INIT(policy_estimator, initialize_policy_estimator)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
CBlockPolicyEstimator block_policy_estimator;
while (fuzzed_data_provider.ConsumeBool()) {
CallOneOf(
fuzzed_data_provider,
[&] {
const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
if (!mtx) {
return;
}
const CTransaction tx{*mtx};
block_policy_estimator.processTransaction(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx), fuzzed_data_provider.ConsumeBool());
if (fuzzed_data_provider.ConsumeBool()) {
(void)block_policy_estimator.removeTx(tx.GetHash(), /* inBlock */ fuzzed_data_provider.ConsumeBool());
}
},
[&] {
std::vector<CTxMemPoolEntry> mempool_entries;
while (fuzzed_data_provider.ConsumeBool()) {
const std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
if (!mtx) {
break;
}
const CTransaction tx{*mtx};
mempool_entries.push_back(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx));
}
std::vector<const CTxMemPoolEntry*> ptrs;
ptrs.reserve(mempool_entries.size());
for (const CTxMemPoolEntry& mempool_entry : mempool_entries) {
ptrs.push_back(&mempool_entry);
}
block_policy_estimator.processBlock(fuzzed_data_provider.ConsumeIntegral<unsigned int>(), ptrs);
},
[&] {
(void)block_policy_estimator.removeTx(ConsumeUInt256(fuzzed_data_provider), /* inBlock */ fuzzed_data_provider.ConsumeBool());
},
[&] {
block_policy_estimator.FlushUnconfirmed();
});
(void)block_policy_estimator.estimateFee(fuzzed_data_provider.ConsumeIntegral<int>());
EstimationResult result;
(void)block_policy_estimator.estimateRawFee(fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeFloatingPoint<double>(), fuzzed_data_provider.PickValueInArray({FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}), fuzzed_data_provider.ConsumeBool() ? &result : nullptr);
FeeCalculation fee_calculation;
(void)block_policy_estimator.estimateSmartFee(fuzzed_data_provider.ConsumeIntegral<int>(), fuzzed_data_provider.ConsumeBool() ? &fee_calculation : nullptr, fuzzed_data_provider.ConsumeBool());
(void)block_policy_estimator.HighestTargetTracked(fuzzed_data_provider.PickValueInArray({FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}));
}
{
FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
CAutoFile fuzzed_auto_file = fuzzed_auto_file_provider.open();
block_policy_estimator.Write(fuzzed_auto_file);
block_policy_estimator.Read(fuzzed_auto_file);
}
}
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