Differential D6741 Diff 21803 src/test/fuzz/transaction.cpp

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src/test/fuzz/transaction.cpp

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				// Copyright (c) 2019 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 <chainparams.h>
				#include <coins.h>
				#include <consensus/tx_check.h>
				#include <consensus/tx_verify.h>
				#include <consensus/validation.h>
				#include <core_io.h>
				#include <core_memusage.h>
				#include <policy/policy.h>
				#include <policy/settings.h>
				#include <primitives/transaction.h>
				#include <streams.h>
				#include <test/fuzz/fuzz.h>
				#include <validation.h>
				#include <version.h>

				#include <cassert>

				void test_one_input(const std::vector<uint8_t> &buffer) {
				CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
				try {
				int nVersion;
				ds >> nVersion;
				ds.SetVersion(nVersion);
				} catch (const std::ios_base::failure &e) {
				return;
				}
				bool valid = true;
				const CTransaction tx = [&] {
				try {
				return CTransaction(deserialize, ds);
				} catch (const std::ios_base::failure &e) {
				valid = false;
				return CTransaction();
				}
				}();
				if (!valid) {
				return;
				}

				CValidationState state;
				(void)CheckRegularTransaction(tx, state);

				const CFeeRate dust_relay_fee{DUST_RELAY_TX_FEE};
				std::string reason;
				const bool is_standard_with_permit_bare_multisig = IsStandardTx(
				tx, /* permit_bare_multisig= */ true, dust_relay_fee, reason);
				const bool is_standard_without_permit_bare_multisig = IsStandardTx(
				tx, /* permit_bare_multisig= */ false, dust_relay_fee, reason);
				if (is_standard_without_permit_bare_multisig) {
				assert(is_standard_with_permit_bare_multisig);
				}
				std::unique_ptr<CChainParams> params =
				CreateChainParams(CBaseChainParams::REGTEST);
				(void)tx.GetHash();
				(void)tx.GetTotalSize();
				try {
				(void)tx.GetValueOut();
				} catch (const std::runtime_error &) {
				}
				(void)tx.IsCoinBase();
				(void)tx.IsNull();
				(void)tx.ToString();

				(void)EncodeHexTx(tx);
				(void)GetVirtualTransactionSize(tx);
				(void)ContextualCheckTransaction(params->GetConsensus(), tx, state, 1024,
				1024, 0);
				(void)IsStandardTx(tx, reason);
				(void)RecursiveDynamicUsage(tx);
				}