Branch data Line data Source code
1 : : // Copyright (c) 2011-present The Bitcoin Core developers
2 : : // Distributed under the MIT software license, see the accompanying
3 : : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 : :
5 : : #include <test/util/setup_common.h>
6 : :
7 : : #include <addrman.h>
8 : : #include <banman.h>
9 : : #include <chainparams.h>
10 : : #include <common/system.h>
11 : : #include <consensus/consensus.h>
12 : : #include <consensus/params.h>
13 : : #include <consensus/validation.h>
14 : : #include <crypto/sha256.h>
15 : : #include <init.h>
16 : : #include <init/common.h>
17 : : #include <interfaces/chain.h>
18 : : #include <kernel/mempool_entry.h>
19 : : #include <logging.h>
20 : : #include <net.h>
21 : : #include <net_processing.h>
22 : : #include <node/blockstorage.h>
23 : : #include <node/chainstate.h>
24 : : #include <node/context.h>
25 : : #include <node/kernel_notifications.h>
26 : : #include <node/mempool_args.h>
27 : : #include <node/miner.h>
28 : : #include <node/peerman_args.h>
29 : : #include <node/warnings.h>
30 : : #include <noui.h>
31 : : #include <policy/fees.h>
32 : : #include <pow.h>
33 : : #include <random.h>
34 : : #include <rpc/blockchain.h>
35 : : #include <rpc/register.h>
36 : : #include <rpc/server.h>
37 : : #include <scheduler.h>
38 : : #include <script/sigcache.h>
39 : : #include <streams.h>
40 : : #include <test/util/coverage.h>
41 : : #include <test/util/net.h>
42 : : #include <test/util/random.h>
43 : : #include <test/util/txmempool.h>
44 : : #include <txdb.h>
45 : : #include <txmempool.h>
46 : : #include <util/chaintype.h>
47 : : #include <util/check.h>
48 : : #include <util/fs_helpers.h>
49 : : #include <util/rbf.h>
50 : : #include <util/strencodings.h>
51 : : #include <util/string.h>
52 : : #include <util/task_runner.h>
53 : : #include <util/thread.h>
54 : : #include <util/threadnames.h>
55 : : #include <util/time.h>
56 : : #include <util/translation.h>
57 : : #include <util/vector.h>
58 : : #include <validation.h>
59 : : #include <validationinterface.h>
60 : : #include <walletinitinterface.h>
61 : :
62 : : #include <algorithm>
63 : : #include <functional>
64 : : #include <stdexcept>
65 : :
66 : : using namespace util::hex_literals;
67 : : using node::ApplyArgsManOptions;
68 : : using node::BlockAssembler;
69 : : using node::BlockManager;
70 : : using node::KernelNotifications;
71 : : using node::LoadChainstate;
72 : : using node::RegenerateCommitments;
73 : : using node::VerifyLoadedChainstate;
74 : :
75 : : const TranslateFn G_TRANSLATION_FUN{nullptr};
76 : :
77 : : constexpr inline auto TEST_DIR_PATH_ELEMENT{"test_common bitcoin"}; // Includes a space to catch possible path escape issues.
78 : : /** Random context to get unique temp data dirs. Separate from m_rng, which can be seeded from a const env var */
79 : : static FastRandomContext g_rng_temp_path;
80 : 132 : static const bool g_rng_temp_path_init{[] {
81 : : // Must be initialized before any SeedRandomForTest
82 : 132 : Assert(!g_used_g_prng);
83 : 132 : (void)g_rng_temp_path.rand64();
84 : 132 : g_used_g_prng = false;
85 : 132 : ResetCoverageCounters(); // The seed strengthen in SeedStartup is not deterministic, so exclude it from coverage counts
86 : 132 : return true;
87 : : }()};
88 : :
89 : : struct NetworkSetup
90 : : {
91 : 132 : NetworkSetup()
92 : : {
93 : 132 : Assert(SetupNetworking());
94 : 132 : }
95 : : };
96 : : static NetworkSetup g_networksetup_instance;
97 : :
98 : 614 : void SetupCommonTestArgs(ArgsManager& argsman)
99 : : {
100 [ + - + - : 5526 : argsman.AddArg("-testdatadir", strprintf("Custom data directory (default: %s<random_string>)", fs::PathToString(fs::temp_directory_path() / TEST_DIR_PATH_ELEMENT / "")),
+ - + - +
- + - + -
+ - ]
101 : 614 : ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
102 : 614 : }
103 : :
104 : : /** Test setup failure */
105 : 0 : static void ExitFailure(std::string_view str_err)
106 : : {
107 : 0 : std::cerr << str_err << std::endl;
108 : 0 : exit(EXIT_FAILURE);
109 : : }
110 : :
111 : 614 : BasicTestingSetup::BasicTestingSetup(const ChainType chainType, TestOpts opts)
112 [ + - + - ]: 614 : : m_args{}
113 : : {
114 : 614 : if constexpr (!G_FUZZING) {
115 [ + - ]: 614 : SeedRandomForTest(SeedRand::FIXED_SEED);
116 : : }
117 : 614 : m_node.shutdown_signal = &m_interrupt;
118 : 614 : m_node.shutdown_request = [this]{ return m_interrupt(); };
119 : 614 : m_node.args = &gArgs;
120 [ + - ]: 614 : std::vector<const char*> arguments = Cat(
121 : : {
122 : : "dummy",
123 : : "-printtoconsole=0",
124 : : "-logsourcelocations",
125 : : "-logtimemicros",
126 : : "-logthreadnames",
127 : : "-loglevel=trace",
128 : : "-debug",
129 : : "-debugexclude=libevent",
130 : : "-debugexclude=leveldb",
131 : : },
132 [ + - + - ]: 614 : opts.extra_args);
133 [ + - ]: 614 : if (G_TEST_COMMAND_LINE_ARGUMENTS) {
134 [ + - + - : 1228 : arguments = Cat(arguments, G_TEST_COMMAND_LINE_ARGUMENTS());
+ - ]
135 : : }
136 [ + - + - ]: 614 : util::ThreadRename("test");
137 [ + - ]: 614 : gArgs.ClearPathCache();
138 : 614 : {
139 [ + - ]: 614 : SetupServerArgs(*m_node.args);
140 [ + - ]: 614 : SetupCommonTestArgs(*m_node.args);
141 [ + - ]: 614 : std::string error;
142 [ + - - + ]: 614 : if (!m_node.args->ParseParameters(arguments.size(), arguments.data(), error)) {
143 [ # # ]: 0 : m_node.args->ClearArgs();
144 [ # # ]: 0 : throw std::runtime_error{error};
145 : : }
146 : 0 : }
147 : :
148 [ + - + - : 614 : const std::string test_name{G_TEST_GET_FULL_NAME ? G_TEST_GET_FULL_NAME() : ""};
- - ]
149 [ + - + - : 614 : if (!m_node.args->IsArgSet("-testdatadir")) {
+ - ]
150 : : // To avoid colliding with a leftover prior datadir, and to allow
151 : : // tests, such as the fuzz tests to run in several processes at the
152 : : // same time, add a random element to the path. Keep it small enough to
153 : : // avoid a MAX_PATH violation on Windows.
154 [ + - ]: 614 : const auto rand{HexStr(g_rng_temp_path.randbytes(10))};
155 [ + - + - : 4298 : m_path_root = fs::temp_directory_path() / TEST_DIR_PATH_ELEMENT / test_name / rand;
+ - + - +
- + - +
- ]
156 [ + - ]: 614 : TryCreateDirectories(m_path_root);
157 : 614 : } else {
158 : : // Custom data directory
159 : 0 : m_has_custom_datadir = true;
160 [ # # # # ]: 0 : fs::path root_dir{m_node.args->GetPathArg("-testdatadir")};
161 [ # # ]: 0 : if (root_dir.empty()) ExitFailure("-testdatadir argument is empty, please specify a path");
162 : :
163 [ # # ]: 0 : root_dir = fs::absolute(root_dir);
164 [ # # # # : 0 : m_path_lock = root_dir / TEST_DIR_PATH_ELEMENT / fs::PathFromString(test_name);
# # ]
165 [ # # # # ]: 0 : m_path_root = m_path_lock / "datadir";
166 : :
167 : : // Try to obtain the lock; if unsuccessful don't disturb the existing test.
168 [ # # ]: 0 : TryCreateDirectories(m_path_lock);
169 [ # # # # : 0 : if (util::LockDirectory(m_path_lock, ".lock", /*probe_only=*/false) != util::LockResult::Success) {
# # ]
170 [ # # # # : 0 : ExitFailure("Cannot obtain a lock on test data lock directory " + fs::PathToString(m_path_lock) + '\n' + "The test executable is probably already running.");
# # ]
171 : : }
172 : :
173 : : // Always start with a fresh data directory; this doesn't delete the .lock file located one level above.
174 [ # # ]: 0 : fs::remove_all(m_path_root);
175 [ # # # # ]: 0 : if (!TryCreateDirectories(m_path_root)) ExitFailure("Cannot create test data directory");
176 : :
177 : : // Print the test directory name if custom.
178 [ # # # # : 0 : std::cout << "Test directory (will not be deleted): " << m_path_root << std::endl;
# # ]
179 : 0 : }
180 [ + - + - : 1842 : m_args.ForceSetArg("-datadir", fs::PathToString(m_path_root));
+ - ]
181 [ + - + - : 1842 : gArgs.ForceSetArg("-datadir", fs::PathToString(m_path_root));
+ - ]
182 : :
183 [ + - ]: 614 : SelectParams(chainType);
184 [ + - + - : 1228 : if (G_TEST_LOG_FUN) LogInstance().PushBackCallback(G_TEST_LOG_FUN);
+ - + - ]
185 [ + - ]: 614 : InitLogging(*m_node.args);
186 [ + - ]: 614 : AppInitParameterInteraction(*m_node.args);
187 [ + - + - ]: 614 : LogInstance().StartLogging();
188 [ + - ]: 614 : m_node.warnings = std::make_unique<node::Warnings>();
189 [ + - ]: 614 : m_node.kernel = std::make_unique<kernel::Context>();
190 [ + - ]: 614 : m_node.ecc_context = std::make_unique<ECC_Context>();
191 [ + - ]: 614 : SetupEnvironment();
192 : :
193 [ + - ]: 614 : m_node.chain = interfaces::MakeChain(m_node);
194 : 614 : static bool noui_connected = false;
195 [ + + ]: 614 : if (!noui_connected) {
196 [ + - ]: 107 : noui_connect();
197 : 107 : noui_connected = true;
198 : : }
199 : 614 : }
200 : :
201 : 613 : BasicTestingSetup::~BasicTestingSetup()
202 : : {
203 [ + - ]: 613 : m_node.ecc_context.reset();
204 [ + - ]: 613 : m_node.kernel.reset();
205 : 613 : if constexpr (!G_FUZZING) {
206 : 613 : SetMockTime(0s); // Reset mocktime for following tests
207 : : }
208 : 613 : LogInstance().DisconnectTestLogger();
209 [ - + ]: 613 : if (m_has_custom_datadir) {
210 : : // Only remove the lock file, preserve the data directory.
211 : 0 : UnlockDirectory(m_path_lock, ".lock");
212 : 0 : fs::remove(m_path_lock / ".lock");
213 : : } else {
214 : 613 : fs::remove_all(m_path_root);
215 : : }
216 : 613 : gArgs.ClearArgs();
217 : 1839 : }
218 : :
219 : 175 : ChainTestingSetup::ChainTestingSetup(const ChainType chainType, TestOpts opts)
220 [ + - + - : 350 : : BasicTestingSetup(chainType, opts)
+ - ]
221 : : {
222 [ + - ]: 175 : const CChainParams& chainparams = Params();
223 : :
224 : : // A task runner is required to prevent ActivateBestChain
225 : : // from blocking due to queue overrun.
226 [ + - ]: 175 : if (opts.setup_validation_interface) {
227 [ + - ]: 175 : m_node.scheduler = std::make_unique<CScheduler>();
228 [ + - ]: 350 : m_node.scheduler->m_service_thread = std::thread(util::TraceThread, "scheduler", [&] { m_node.scheduler->serviceQueue(); });
229 : 175 : m_node.validation_signals =
230 : : // Use synchronous task runner while fuzzing to avoid non-determinism
231 : 175 : G_FUZZING ? std::make_unique<ValidationSignals>(std::make_unique<util::ImmediateTaskRunner>()) :
232 [ + - + - ]: 175 : std::make_unique<ValidationSignals>(std::make_unique<SerialTaskRunner>(*m_node.scheduler));
233 : : }
234 : :
235 [ + - ]: 175 : bilingual_str error{};
236 [ + - + - ]: 175 : m_node.mempool = std::make_unique<CTxMemPool>(MemPoolOptionsForTest(m_node), error);
237 [ + - ]: 175 : Assert(error.empty());
238 [ + - ]: 175 : m_node.warnings = std::make_unique<node::Warnings>();
239 : :
240 [ + - + - : 175 : m_node.notifications = std::make_unique<KernelNotifications>(Assert(m_node.shutdown_request), m_node.exit_status, *Assert(m_node.warnings));
+ - ]
241 : :
242 [ - - + - ]: 700 : m_make_chainman = [this, &chainparams, opts] {
243 : 175 : Assert(!m_node.chainman);
244 : 175 : ChainstateManager::Options chainman_opts{
245 : : .chainparams = chainparams,
246 : 175 : .datadir = m_args.GetDataDirNet(),
247 : : .check_block_index = 1,
248 [ - + ]: 175 : .notifications = *m_node.notifications,
249 : 175 : .signals = m_node.validation_signals.get(),
250 : : .worker_threads_num = 2,
251 : 175 : };
252 [ - + ]: 175 : if (opts.min_validation_cache) {
253 : 0 : chainman_opts.script_execution_cache_bytes = 0;
254 : 0 : chainman_opts.signature_cache_bytes = 0;
255 : : }
256 : 175 : const BlockManager::Options blockman_opts{
257 : 175 : .chainparams = chainman_opts.chainparams,
258 : 175 : .blocks_dir = m_args.GetBlocksDirPath(),
259 : 175 : .notifications = chainman_opts.notifications,
260 : : .block_tree_db_params = DBParams{
261 [ + - + - ]: 525 : .path = m_args.GetDataDirNet() / "blocks" / "index",
262 : 175 : .cache_bytes = m_kernel_cache_sizes.block_tree_db,
263 : 175 : .memory_only = opts.block_tree_db_in_memory,
264 [ + - ]: 350 : .wipe_data = m_args.GetBoolArg("-reindex", false),
265 : : },
266 [ + - + - : 525 : };
+ - ]
267 [ + - + - ]: 175 : m_node.chainman = std::make_unique<ChainstateManager>(*Assert(m_node.shutdown_signal), chainman_opts, blockman_opts);
268 [ + - ]: 525 : };
269 [ + - ]: 175 : m_make_chainman();
270 : 175 : }
271 : :
272 : 175 : ChainTestingSetup::~ChainTestingSetup()
273 : : {
274 [ + - ]: 175 : if (m_node.scheduler) m_node.scheduler->stop();
275 [ + - ]: 175 : if (m_node.validation_signals) m_node.validation_signals->FlushBackgroundCallbacks();
276 [ + + ]: 175 : m_node.connman.reset();
277 [ + + ]: 175 : m_node.banman.reset();
278 [ + + ]: 175 : m_node.addrman.reset();
279 [ + + ]: 175 : m_node.netgroupman.reset();
280 : 175 : m_node.args = nullptr;
281 [ + - ]: 175 : m_node.mempool.reset();
282 : 175 : Assert(!m_node.fee_estimator); // Each test must create a local object, if they wish to use the fee_estimator
283 [ + - ]: 175 : m_node.chainman.reset();
284 [ + - ]: 175 : m_node.validation_signals.reset();
285 [ + - ]: 175 : m_node.scheduler.reset();
286 : 175 : }
287 : :
288 : 174 : void ChainTestingSetup::LoadVerifyActivateChainstate()
289 : : {
290 [ + - ]: 174 : auto& chainman{*Assert(m_node.chainman)};
291 [ + - ]: 174 : node::ChainstateLoadOptions options;
292 [ + - ]: 174 : options.mempool = Assert(m_node.mempool.get());
293 : 174 : options.coins_db_in_memory = m_coins_db_in_memory;
294 [ + - + - : 348 : options.wipe_chainstate_db = m_args.GetBoolArg("-reindex", false) || m_args.GetBoolArg("-reindex-chainstate", false);
- + + - +
- + - -
- ]
295 [ + - ]: 174 : options.prune = chainman.m_blockman.IsPruneMode();
296 [ + - + - ]: 174 : options.check_blocks = m_args.GetIntArg("-checkblocks", DEFAULT_CHECKBLOCKS);
297 [ + - + - ]: 174 : options.check_level = m_args.GetIntArg("-checklevel", DEFAULT_CHECKLEVEL);
298 [ + - + - : 348 : options.require_full_verification = m_args.IsArgSet("-checkblocks") || m_args.IsArgSet("-checklevel");
+ - + - +
- + - -
- ]
299 [ + - - + ]: 174 : auto [status, error] = LoadChainstate(chainman, m_kernel_cache_sizes, options);
300 [ - + ]: 174 : assert(status == node::ChainstateLoadStatus::SUCCESS);
301 : :
302 [ + - ]: 174 : std::tie(status, error) = VerifyLoadedChainstate(chainman, options);
303 [ - + ]: 174 : assert(status == node::ChainstateLoadStatus::SUCCESS);
304 : :
305 [ + - ]: 174 : BlockValidationState state;
306 [ + - + - : 174 : if (!chainman.ActiveChainstate().ActivateBestChain(state)) {
- + - + ]
307 [ # # # # : 0 : throw std::runtime_error(strprintf("ActivateBestChain failed. (%s)", state.ToString()));
# # ]
308 : : }
309 : 348 : }
310 : :
311 : 171 : TestingSetup::TestingSetup(
312 : : const ChainType chainType,
313 : 171 : TestOpts opts)
314 [ + - ]: 171 : : ChainTestingSetup(chainType, opts)
315 : : {
316 : 171 : m_coins_db_in_memory = opts.coins_db_in_memory;
317 : 171 : m_block_tree_db_in_memory = opts.block_tree_db_in_memory;
318 : : // Ideally we'd move all the RPC tests to the functional testing framework
319 : : // instead of unit tests, but for now we need these here.
320 [ + - ]: 171 : RegisterAllCoreRPCCommands(tableRPC);
321 : :
322 [ + - ]: 171 : LoadVerifyActivateChainstate();
323 : :
324 [ + - ]: 171 : if (!opts.setup_net) return;
325 : :
326 [ + - ]: 171 : m_node.netgroupman = std::make_unique<NetGroupManager>(/*asmap=*/std::vector<bool>());
327 : 171 : m_node.addrman = std::make_unique<AddrMan>(*m_node.netgroupman,
328 : 171 : /*deterministic=*/false,
329 [ + - + - : 171 : m_node.args->GetIntArg("-checkaddrman", 0));
+ - ]
330 [ + - + - : 513 : m_node.banman = std::make_unique<BanMan>(m_args.GetDataDirBase() / "banlist", nullptr, DEFAULT_MISBEHAVING_BANTIME);
+ - ]
331 [ + - + - ]: 171 : m_node.connman = std::make_unique<ConnmanTestMsg>(0x1337, 0x1337, *m_node.addrman, *m_node.netgroupman, Params()); // Deterministic randomness for tests.
332 : 171 : PeerManager::Options peerman_opts;
333 [ + - ]: 171 : ApplyArgsManOptions(*m_node.args, peerman_opts);
334 : 171 : peerman_opts.deterministic_rng = true;
335 : 342 : m_node.peerman = PeerManager::make(*m_node.connman, *m_node.addrman,
336 [ + - ]: 171 : m_node.banman.get(), *m_node.chainman,
337 [ + - ]: 171 : *m_node.mempool, *m_node.warnings,
338 : 171 : peerman_opts);
339 : :
340 : 171 : {
341 : 171 : CConnman::Options options;
342 [ + - ]: 171 : options.m_msgproc = m_node.peerman.get();
343 [ + - ]: 171 : m_node.connman->Init(options);
344 : 171 : }
345 : 0 : }
346 : :
347 : 57 : TestChain100Setup::TestChain100Setup(
348 : : const ChainType chain_type,
349 : 57 : TestOpts opts)
350 [ + - + - ]: 114 : : TestingSetup{ChainType::REGTEST, opts}
351 : : {
352 [ + - ]: 57 : SetMockTime(1598887952);
353 : 57 : constexpr std::array<unsigned char, 32> vchKey = {
354 : : {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}};
355 [ + - ]: 57 : coinbaseKey.Set(vchKey.begin(), vchKey.end(), true);
356 : :
357 : : // Generate a 100-block chain:
358 [ + - ]: 57 : this->mineBlocks(COINBASE_MATURITY);
359 : :
360 : 57 : {
361 [ + - ]: 57 : LOCK(::cs_main);
362 [ + - + - : 171 : assert(
+ - - + +
- ]
363 : : m_node.chainman->ActiveChain().Tip()->GetBlockHash().ToString() ==
364 : : "571d80a9967ae599cec0448b0b0ba1cfb606f584d8069bd7166b86854ba7a191");
365 : 0 : }
366 : 57 : }
367 : :
368 : 78 : void TestChain100Setup::mineBlocks(int num_blocks)
369 : : {
370 [ + - + - : 78 : CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
+ - ]
371 [ + + ]: 6328 : for (int i = 0; i < num_blocks; i++) {
372 : 6250 : std::vector<CMutableTransaction> noTxns;
373 [ + - ]: 6250 : CBlock b = CreateAndProcessBlock(noTxns, scriptPubKey);
374 [ + - + - ]: 6250 : SetMockTime(GetTime() + 1);
375 [ + - ]: 6250 : m_coinbase_txns.push_back(b.vtx[0]);
376 : 6250 : }
377 : 78 : }
378 : :
379 : 6311 : CBlock TestChain100Setup::CreateBlock(
380 : : const std::vector<CMutableTransaction>& txns,
381 : : const CScript& scriptPubKey,
382 : : Chainstate& chainstate)
383 : : {
384 : 6311 : BlockAssembler::Options options;
385 : 6311 : options.coinbase_output_script = scriptPubKey;
386 [ + - + - : 6311 : CBlock block = BlockAssembler{chainstate, nullptr, options}.CreateNewBlock()->block;
+ - ]
387 : :
388 [ + - ]: 6311 : Assert(block.vtx.size() == 1);
389 [ + + ]: 6327 : for (const CMutableTransaction& tx : txns) {
390 [ + - + - : 32 : block.vtx.push_back(MakeTransactionRef(tx));
- + ]
391 : : }
392 [ + - + - ]: 6311 : RegenerateCommitments(block, *Assert(m_node.chainman));
393 : :
394 [ + - + - : 12467 : while (!CheckProofOfWork(block.GetHash(), block.nBits, m_node.chainman->GetConsensus())) ++block.nNonce;
+ + ]
395 : :
396 : 6311 : return block;
397 : 6311 : }
398 : :
399 : 6310 : CBlock TestChain100Setup::CreateAndProcessBlock(
400 : : const std::vector<CMutableTransaction>& txns,
401 : : const CScript& scriptPubKey,
402 : : Chainstate* chainstate)
403 : : {
404 [ + - ]: 6310 : if (!chainstate) {
405 : 6310 : chainstate = &Assert(m_node.chainman)->ActiveChainstate();
406 : : }
407 : :
408 : 6310 : CBlock block = this->CreateBlock(txns, scriptPubKey, *chainstate);
409 [ + - ]: 6310 : std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(block);
410 [ + - + - ]: 6310 : Assert(m_node.chainman)->ProcessNewBlock(shared_pblock, true, true, nullptr);
411 : :
412 [ + - ]: 6310 : return block;
413 : 6310 : }
414 : :
415 : 124 : std::pair<CMutableTransaction, CAmount> TestChain100Setup::CreateValidTransaction(const std::vector<CTransactionRef>& input_transactions,
416 : : const std::vector<COutPoint>& inputs,
417 : : int input_height,
418 : : const std::vector<CKey>& input_signing_keys,
419 : : const std::vector<CTxOut>& outputs,
420 : : const std::optional<CFeeRate>& feerate,
421 : : const std::optional<uint32_t>& fee_output)
422 : : {
423 : 124 : CMutableTransaction mempool_txn;
424 [ + - ]: 124 : mempool_txn.vin.reserve(inputs.size());
425 [ + - ]: 124 : mempool_txn.vout.reserve(outputs.size());
426 : :
427 [ + + ]: 272 : for (const auto& outpoint : inputs) {
428 [ + - ]: 296 : mempool_txn.vin.emplace_back(outpoint, CScript(), MAX_BIP125_RBF_SEQUENCE);
429 : : }
430 [ + - ]: 124 : mempool_txn.vout = outputs;
431 : :
432 : : // - Add the signing key to a keystore
433 : 124 : FillableSigningProvider keystore;
434 [ + + ]: 248 : for (const auto& input_signing_key : input_signing_keys) {
435 [ + - ]: 124 : keystore.AddKey(input_signing_key);
436 : : }
437 : : // - Populate a CoinsViewCache with the unspent output
438 : 124 : CCoinsView coins_view;
439 [ + - ]: 124 : CCoinsViewCache coins_cache(&coins_view);
440 [ + + ]: 271 : for (const auto& input_transaction : input_transactions) {
441 [ + - ]: 147 : AddCoins(coins_cache, *input_transaction.get(), input_height);
442 : : }
443 : : // Build Outpoint to Coin map for SignTransaction
444 : 124 : std::map<COutPoint, Coin> input_coins;
445 : 124 : CAmount inputs_amount{0};
446 [ + + ]: 272 : for (const auto& outpoint_to_spend : inputs) {
447 : : // Use GetCoin to properly populate utxo_to_spend
448 [ + - ]: 296 : auto utxo_to_spend{coins_cache.GetCoin(outpoint_to_spend).value()};
449 [ + - ]: 148 : input_coins.insert({outpoint_to_spend, utxo_to_spend});
450 : 148 : inputs_amount += utxo_to_spend.out.nValue;
451 : 148 : }
452 : : // - Default signature hashing type
453 : 124 : int nHashType = SIGHASH_ALL;
454 [ + - ]: 124 : std::map<int, bilingual_str> input_errors;
455 [ + - - + ]: 124 : assert(SignTransaction(mempool_txn, &keystore, input_coins, nHashType, input_errors));
456 : 124 : CAmount current_fee = inputs_amount - std::accumulate(outputs.begin(), outputs.end(), CAmount(0),
457 : 125 : [](const CAmount& acc, const CTxOut& out) {
458 : 125 : return acc + out.nValue;
459 : 124 : });
460 : : // Deduct fees from fee_output to meet feerate if set
461 [ - + ]: 124 : if (feerate.has_value()) {
462 [ # # ]: 0 : assert(fee_output.has_value());
463 [ # # ]: 0 : assert(fee_output.value() < mempool_txn.vout.size());
464 [ # # # # ]: 0 : CAmount target_fee = feerate.value().GetFee(GetVirtualTransactionSize(CTransaction{mempool_txn}));
465 : 0 : CAmount deduction = target_fee - current_fee;
466 [ # # ]: 0 : if (deduction > 0) {
467 : : // Only deduct fee if there's anything to deduct. If the caller has put more fees than
468 : : // the target feerate, don't change the fee.
469 [ # # ]: 0 : mempool_txn.vout[fee_output.value()].nValue -= deduction;
470 : : // Re-sign since an output has changed
471 : 0 : input_errors.clear();
472 [ # # # # ]: 0 : assert(SignTransaction(mempool_txn, &keystore, input_coins, nHashType, input_errors));
473 : : current_fee = target_fee;
474 : : }
475 : : }
476 [ + - ]: 124 : return {mempool_txn, current_fee};
477 : 248 : }
478 : :
479 : 124 : CMutableTransaction TestChain100Setup::CreateValidMempoolTransaction(const std::vector<CTransactionRef>& input_transactions,
480 : : const std::vector<COutPoint>& inputs,
481 : : int input_height,
482 : : const std::vector<CKey>& input_signing_keys,
483 : : const std::vector<CTxOut>& outputs,
484 : : bool submit)
485 : : {
486 : 124 : CMutableTransaction mempool_txn = CreateValidTransaction(input_transactions, inputs, input_height, input_signing_keys, outputs, std::nullopt, std::nullopt).first;
487 : : // If submit=true, add transaction to the mempool.
488 [ + + ]: 124 : if (submit) {
489 [ + - ]: 2 : LOCK(cs_main);
490 [ + - + - ]: 4 : const MempoolAcceptResult result = m_node.chainman->ProcessTransaction(MakeTransactionRef(mempool_txn));
491 [ - + ]: 2 : assert(result.m_result_type == MempoolAcceptResult::ResultType::VALID);
492 [ + - ]: 4 : }
493 : 124 : return mempool_txn;
494 : 0 : }
495 : :
496 : 121 : CMutableTransaction TestChain100Setup::CreateValidMempoolTransaction(CTransactionRef input_transaction,
497 : : uint32_t input_vout,
498 : : int input_height,
499 : : CKey input_signing_key,
500 : : CScript output_destination,
501 : : CAmount output_amount,
502 : : bool submit)
503 : : {
504 : 121 : COutPoint input{input_transaction->GetHash(), input_vout};
505 [ + - ]: 121 : CTxOut output{output_amount, output_destination};
506 [ + - + - : 726 : return CreateValidMempoolTransaction(/*input_transactions=*/{input_transaction},
+ + + - +
+ + + - -
- - - - -
- ]
507 : : /*inputs=*/{input},
508 : : /*input_height=*/input_height,
509 : : /*input_signing_keys=*/{input_signing_key},
510 : : /*outputs=*/{output},
511 [ + - ]: 121 : /*submit=*/submit);
512 [ + - + - : 484 : }
+ - + - ]
513 : :
514 : 0 : std::vector<CTransactionRef> TestChain100Setup::PopulateMempool(FastRandomContext& det_rand, size_t num_transactions, bool submit)
515 : : {
516 : 0 : std::vector<CTransactionRef> mempool_transactions;
517 [ # # ]: 0 : std::deque<std::pair<COutPoint, CAmount>> unspent_prevouts;
518 [ # # ]: 0 : std::transform(m_coinbase_txns.begin(), m_coinbase_txns.end(), std::back_inserter(unspent_prevouts),
519 : 0 : [](const auto& tx){ return std::make_pair(COutPoint(tx->GetHash(), 0), tx->vout[0].nValue); });
520 [ # # # # ]: 0 : while (num_transactions > 0 && !unspent_prevouts.empty()) {
521 : : // The number of inputs and outputs are random, between 1 and 24.
522 [ # # ]: 0 : CMutableTransaction mtx = CMutableTransaction();
523 : 0 : const size_t num_inputs = det_rand.randrange(24) + 1;
524 : 0 : CAmount total_in{0};
525 [ # # ]: 0 : for (size_t n{0}; n < num_inputs; ++n) {
526 [ # # ]: 0 : if (unspent_prevouts.empty()) break;
527 [ # # ]: 0 : const auto& [prevout, amount] = unspent_prevouts.front();
528 [ # # ]: 0 : mtx.vin.emplace_back(prevout, CScript());
529 : 0 : total_in += amount;
530 : 0 : unspent_prevouts.pop_front();
531 : : }
532 : 0 : const size_t num_outputs = det_rand.randrange(24) + 1;
533 : 0 : const CAmount fee = 100 * det_rand.randrange(30);
534 : 0 : const CAmount amount_per_output = (total_in - fee) / num_outputs;
535 [ # # ]: 0 : for (size_t n{0}; n < num_outputs; ++n) {
536 [ # # ]: 0 : CScript spk = CScript() << CScriptNum(num_transactions + n);
537 [ # # ]: 0 : mtx.vout.emplace_back(amount_per_output, spk);
538 : 0 : }
539 [ # # ]: 0 : CTransactionRef ptx = MakeTransactionRef(mtx);
540 [ # # ]: 0 : mempool_transactions.push_back(ptx);
541 [ # # ]: 0 : if (amount_per_output > 3000) {
542 : : // If the value is high enough to fund another transaction + fees, keep track of it so
543 : : // it can be used to build a more complex transaction graph. Insert randomly into
544 : : // unspent_prevouts for extra randomness in the resulting structures.
545 [ # # ]: 0 : for (size_t n{0}; n < num_outputs; ++n) {
546 [ # # ]: 0 : unspent_prevouts.emplace_back(COutPoint(ptx->GetHash(), n), amount_per_output);
547 : 0 : std::swap(unspent_prevouts.back(), unspent_prevouts[det_rand.randrange(unspent_prevouts.size())]);
548 : : }
549 : : }
550 [ # # ]: 0 : if (submit) {
551 [ # # # # ]: 0 : LOCK2(cs_main, m_node.mempool->cs);
552 : 0 : LockPoints lp;
553 [ # # ]: 0 : auto changeset = m_node.mempool->GetChangeSet();
554 [ # # ]: 0 : changeset->StageAddition(ptx, /*fee=*/(total_in - num_outputs * amount_per_output),
555 : : /*time=*/0, /*entry_height=*/1, /*entry_sequence=*/0,
556 : : /*spends_coinbase=*/false, /*sigops_cost=*/4, lp);
557 [ # # ]: 0 : changeset->Apply();
558 [ # # # # ]: 0 : }
559 [ # # ]: 0 : --num_transactions;
560 : 0 : }
561 : 0 : return mempool_transactions;
562 : 0 : }
563 : :
564 : 2 : void TestChain100Setup::MockMempoolMinFee(const CFeeRate& target_feerate)
565 : : {
566 [ + - ]: 2 : LOCK2(cs_main, m_node.mempool->cs);
567 : : // Transactions in the mempool will affect the new minimum feerate.
568 [ + - - + ]: 2 : assert(m_node.mempool->size() == 0);
569 : : // The target feerate cannot be too low...
570 : : // ...otherwise the transaction's feerate will need to be negative.
571 [ - + ]: 2 : assert(target_feerate > m_node.mempool->m_opts.incremental_relay_feerate);
572 : : // ...otherwise this is not meaningful. The feerate policy uses the maximum of both feerates.
573 [ - + ]: 2 : assert(target_feerate > m_node.mempool->m_opts.min_relay_feerate);
574 : :
575 : : // Manually create an invalid transaction. Manually set the fee in the CTxMemPoolEntry to
576 : : // achieve the exact target feerate.
577 [ + - ]: 2 : CMutableTransaction mtx = CMutableTransaction();
578 [ + - ]: 2 : mtx.vin.emplace_back(COutPoint{Txid::FromUint256(m_rng.rand256()), 0});
579 [ + - + - : 4 : mtx.vout.emplace_back(1 * COIN, GetScriptForDestination(WitnessV0ScriptHash(CScript() << OP_TRUE)));
+ - + - ]
580 [ + - ]: 2 : const auto tx{MakeTransactionRef(mtx)};
581 : 2 : LockPoints lp;
582 : : // The new mempool min feerate is equal to the removed package's feerate + incremental feerate.
583 [ + - + - ]: 2 : const auto tx_fee = target_feerate.GetFee(GetVirtualTransactionSize(*tx)) -
584 [ + - + - ]: 2 : m_node.mempool->m_opts.incremental_relay_feerate.GetFee(GetVirtualTransactionSize(*tx));
585 : 2 : {
586 [ + - ]: 2 : auto changeset = m_node.mempool->GetChangeSet();
587 [ + - ]: 2 : changeset->StageAddition(tx, /*fee=*/tx_fee,
588 : : /*time=*/0, /*entry_height=*/1, /*entry_sequence=*/0,
589 : : /*spends_coinbase=*/true, /*sigops_cost=*/1, lp);
590 [ + - ]: 2 : changeset->Apply();
591 : 2 : }
592 [ + - ]: 2 : m_node.mempool->TrimToSize(0);
593 [ + - - + ]: 2 : assert(m_node.mempool->GetMinFee() == target_feerate);
594 [ + - + - ]: 8 : }
595 : : /**
596 : : * @returns a real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
597 : : * with 9 txs.
598 : : */
599 : 3 : CBlock getBlock13b8a()
600 : : {
601 : 3 : CBlock block;
602 : 3 : DataStream stream{
603 [ + - ]: 3 : 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604 [ + - ]: 3 : };
605 [ + - ]: 3 : stream >> TX_WITH_WITNESS(block);
606 : 3 : return block;
607 : 3 : }
608 : :
609 : 0 : std::ostream& operator<<(std::ostream& os, const arith_uint256& num)
610 : : {
611 [ # # ]: 0 : return os << num.ToString();
612 : : }
613 : :
614 : 0 : std::ostream& operator<<(std::ostream& os, const uint160& num)
615 : : {
616 [ # # ]: 0 : return os << num.ToString();
617 : : }
618 : :
619 : 0 : std::ostream& operator<<(std::ostream& os, const uint256& num)
620 : : {
621 [ # # ]: 0 : return os << num.ToString();
622 : : }
|
