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tests: Add fuzzing harness for CBlockPolicyEstimator::{Read,Write} (policy/fees.h)

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This commit is contained in:
practicalswift 2020-06-02 19:06:07 +00:00
parent 614e0807a8
commit ad6c34881d
3 changed files with 46 additions and 0 deletions
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7
src/Makefile.test.include
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@ -77,6 +77,7 @@ FUZZ_TARGETS = \
test/fuzz/partial_merkle_tree_deserialize \
test/fuzz/partially_signed_transaction_deserialize \
test/fuzz/policy_estimator \
test/fuzz/policy_estimator_io \
test/fuzz/pow \
test/fuzz/prefilled_transaction_deserialize \
test/fuzz/prevector \
@ -761,6 +762,12 @@ test_fuzz_policy_estimator_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_policy_estimator_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_policy_estimator_SOURCES = test/fuzz/policy_estimator.cpp
test_fuzz_policy_estimator_io_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_policy_estimator_io_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_policy_estimator_io_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_policy_estimator_io_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_policy_estimator_io_SOURCES = test/fuzz/policy_estimator_io.cpp
test_fuzz_pow_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_pow_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_pow_LDADD = $(FUZZ_SUITE_LD_COMMON)

11
src/test/fuzz/policy_estimator.cpp
View file

@ -14,6 +14,11 @@
#include <string>
#include <vector>
void initialize()
{
InitializeFuzzingContext();
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
@ -66,4 +71,10 @@ void test_one_input(const std::vector<uint8_t>& buffer)
(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);
}
}

28
src/test/fuzz/policy_estimator_io.cpp Normal file
View file

@ -0,0 +1,28 @@
// 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 <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <cstdint>
#include <vector>
void initialize()
{
InitializeFuzzingContext();
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
FuzzedAutoFileProvider fuzzed_auto_file_provider = ConsumeAutoFile(fuzzed_data_provider);
CAutoFile fuzzed_auto_file = fuzzed_auto_file_provider.open();
// Re-using block_policy_estimator across runs to avoid costly creation of CBlockPolicyEstimator object.
static CBlockPolicyEstimator block_policy_estimator;
if (block_policy_estimator.Read(fuzzed_auto_file)) {
block_policy_estimator.Write(fuzzed_auto_file);
}
}