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/net.h>
41 : : #include <test/util/random.h>
42 : : #include <test/util/txmempool.h>
43 : : #include <txdb.h>
44 : : #include <txmempool.h>
45 : : #include <util/chaintype.h>
46 : : #include <util/check.h>
47 : : #include <util/fs_helpers.h>
48 : : #include <util/rbf.h>
49 : : #include <util/strencodings.h>
50 : : #include <util/string.h>
51 : : #include <util/thread.h>
52 : : #include <util/threadnames.h>
53 : : #include <util/time.h>
54 : : #include <util/translation.h>
55 : : #include <util/vector.h>
56 : : #include <validation.h>
57 : : #include <validationinterface.h>
58 : : #include <walletinitinterface.h>
59 : :
60 : : #include <algorithm>
61 : : #include <functional>
62 : : #include <stdexcept>
63 : :
64 : : using namespace util::hex_literals;
65 : : using kernel::BlockTreeDB;
66 : : using node::ApplyArgsManOptions;
67 : : using node::BlockAssembler;
68 : : using node::BlockManager;
69 : : using node::KernelNotifications;
70 : : using node::LoadChainstate;
71 : : using node::RegenerateCommitments;
72 : : using node::VerifyLoadedChainstate;
73 : :
74 : : const TranslateFn G_TRANSLATION_FUN{nullptr};
75 : :
76 : : constexpr inline auto TEST_DIR_PATH_ELEMENT{"test_common bitcoin"}; // Includes a space to catch possible path escape issues.
77 : : /** Random context to get unique temp data dirs. Separate from m_rng, which can be seeded from a const env var */
78 : : static FastRandomContext g_rng_temp_path;
79 : : static const bool g_rng_temp_path_init{[] {
80 : : // Must be initialized before any SeedRandomForTest
81 : : (void)g_rng_temp_path.rand64();
82 : : return true;
83 : : }()};
84 : :
85 : : struct NetworkSetup
86 : : {
87 : 130 : NetworkSetup()
88 : : {
89 : 130 : Assert(SetupNetworking());
90 : 130 : }
91 : : };
92 : : static NetworkSetup g_networksetup_instance;
93 : :
94 : 606 : void SetupCommonTestArgs(ArgsManager& argsman)
95 : : {
96 [ + - + - : 5454 : argsman.AddArg("-testdatadir", strprintf("Custom data directory (default: %s<random_string>)", fs::PathToString(fs::temp_directory_path() / TEST_DIR_PATH_ELEMENT / "")),
+ - + - +
- + - + -
+ - ]
97 : 606 : ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
98 : 606 : }
99 : :
100 : : /** Test setup failure */
101 : 0 : static void ExitFailure(std::string_view str_err)
102 : : {
103 : 0 : std::cerr << str_err << std::endl;
104 : 0 : exit(EXIT_FAILURE);
105 : : }
106 : :
107 : 606 : BasicTestingSetup::BasicTestingSetup(const ChainType chainType, TestOpts opts)
108 [ + - + - ]: 606 : : m_args{}
109 : : {
110 : 606 : if constexpr (!G_FUZZING) {
111 [ + - ]: 606 : SeedRandomForTest(SeedRand::FIXED_SEED);
112 : : }
113 : 606 : m_node.shutdown_signal = &m_interrupt;
114 : 606 : m_node.shutdown_request = [this]{ return m_interrupt(); };
115 : 606 : m_node.args = &gArgs;
116 [ + - ]: 606 : std::vector<const char*> arguments = Cat(
117 : : {
118 : : "dummy",
119 : : "-printtoconsole=0",
120 : : "-logsourcelocations",
121 : : "-logtimemicros",
122 : : "-logthreadnames",
123 : : "-loglevel=trace",
124 : : "-debug",
125 : : "-debugexclude=libevent",
126 : : "-debugexclude=leveldb",
127 : : },
128 [ + - + - ]: 606 : opts.extra_args);
129 [ + - ]: 606 : if (G_TEST_COMMAND_LINE_ARGUMENTS) {
130 [ + - + - : 1212 : arguments = Cat(arguments, G_TEST_COMMAND_LINE_ARGUMENTS());
+ - ]
131 : : }
132 [ + - + - ]: 606 : util::ThreadRename("test");
133 [ + - ]: 606 : gArgs.ClearPathCache();
134 : 606 : {
135 [ + - ]: 606 : SetupServerArgs(*m_node.args);
136 [ + - ]: 606 : SetupCommonTestArgs(*m_node.args);
137 [ + - ]: 606 : std::string error;
138 [ + - - + ]: 606 : if (!m_node.args->ParseParameters(arguments.size(), arguments.data(), error)) {
139 [ # # ]: 0 : m_node.args->ClearArgs();
140 [ # # ]: 0 : throw std::runtime_error{error};
141 : : }
142 : 0 : }
143 : :
144 [ + - + - : 606 : const std::string test_name{G_TEST_GET_FULL_NAME ? G_TEST_GET_FULL_NAME() : ""};
- - ]
145 [ + - + - : 606 : if (!m_node.args->IsArgSet("-testdatadir")) {
+ - ]
146 : : // To avoid colliding with a leftover prior datadir, and to allow
147 : : // tests, such as the fuzz tests to run in several processes at the
148 : : // same time, add a random element to the path. Keep it small enough to
149 : : // avoid a MAX_PATH violation on Windows.
150 [ + - ]: 606 : const auto rand{HexStr(g_rng_temp_path.randbytes(10))};
151 [ + - + - : 4242 : m_path_root = fs::temp_directory_path() / TEST_DIR_PATH_ELEMENT / test_name / rand;
+ - + - +
- + - +
- ]
152 [ + - ]: 606 : TryCreateDirectories(m_path_root);
153 : 606 : } else {
154 : : // Custom data directory
155 : 0 : m_has_custom_datadir = true;
156 [ # # # # ]: 0 : fs::path root_dir{m_node.args->GetPathArg("-testdatadir")};
157 [ # # ]: 0 : if (root_dir.empty()) ExitFailure("-testdatadir argument is empty, please specify a path");
158 : :
159 [ # # ]: 0 : root_dir = fs::absolute(root_dir);
160 [ # # # # : 0 : m_path_lock = root_dir / TEST_DIR_PATH_ELEMENT / fs::PathFromString(test_name);
# # ]
161 [ # # # # ]: 0 : m_path_root = m_path_lock / "datadir";
162 : :
163 : : // Try to obtain the lock; if unsuccessful don't disturb the existing test.
164 [ # # ]: 0 : TryCreateDirectories(m_path_lock);
165 [ # # # # : 0 : if (util::LockDirectory(m_path_lock, ".lock", /*probe_only=*/false) != util::LockResult::Success) {
# # ]
166 [ # # # # : 0 : ExitFailure("Cannot obtain a lock on test data lock directory " + fs::PathToString(m_path_lock) + '\n' + "The test executable is probably already running.");
# # ]
167 : : }
168 : :
169 : : // Always start with a fresh data directory; this doesn't delete the .lock file located one level above.
170 [ # # ]: 0 : fs::remove_all(m_path_root);
171 [ # # # # ]: 0 : if (!TryCreateDirectories(m_path_root)) ExitFailure("Cannot create test data directory");
172 : :
173 : : // Print the test directory name if custom.
174 [ # # # # : 0 : std::cout << "Test directory (will not be deleted): " << m_path_root << std::endl;
# # ]
175 : 0 : }
176 [ + - + - : 1818 : m_args.ForceSetArg("-datadir", fs::PathToString(m_path_root));
+ - ]
177 [ + - + - : 1818 : gArgs.ForceSetArg("-datadir", fs::PathToString(m_path_root));
+ - ]
178 : :
179 [ + - ]: 606 : SelectParams(chainType);
180 [ + - + - : 1212 : if (G_TEST_LOG_FUN) LogInstance().PushBackCallback(G_TEST_LOG_FUN);
+ - + - ]
181 [ + - ]: 606 : InitLogging(*m_node.args);
182 [ + - ]: 606 : AppInitParameterInteraction(*m_node.args);
183 [ + - + - ]: 606 : LogInstance().StartLogging();
184 [ + - ]: 606 : m_node.warnings = std::make_unique<node::Warnings>();
185 [ + - ]: 606 : m_node.kernel = std::make_unique<kernel::Context>();
186 [ + - ]: 606 : m_node.ecc_context = std::make_unique<ECC_Context>();
187 [ + - ]: 606 : SetupEnvironment();
188 : :
189 [ + - ]: 606 : m_node.chain = interfaces::MakeChain(m_node);
190 : 606 : static bool noui_connected = false;
191 [ + + ]: 606 : if (!noui_connected) {
192 [ + - ]: 105 : noui_connect();
193 : 105 : noui_connected = true;
194 : : }
195 : 606 : }
196 : :
197 : 605 : BasicTestingSetup::~BasicTestingSetup()
198 : : {
199 [ + - ]: 605 : m_node.ecc_context.reset();
200 [ + - ]: 605 : m_node.kernel.reset();
201 : 605 : if constexpr (!G_FUZZING) {
202 : 605 : SetMockTime(0s); // Reset mocktime for following tests
203 : : }
204 : 605 : LogInstance().DisconnectTestLogger();
205 [ - + ]: 605 : if (m_has_custom_datadir) {
206 : : // Only remove the lock file, preserve the data directory.
207 : 0 : UnlockDirectory(m_path_lock, ".lock");
208 : 0 : fs::remove(m_path_lock / ".lock");
209 : : } else {
210 : 605 : fs::remove_all(m_path_root);
211 : : }
212 : 605 : gArgs.ClearArgs();
213 : 1815 : }
214 : :
215 : 174 : ChainTestingSetup::ChainTestingSetup(const ChainType chainType, TestOpts opts)
216 [ + - + - : 348 : : BasicTestingSetup(chainType, opts)
+ - ]
217 : : {
218 [ + - ]: 174 : const CChainParams& chainparams = Params();
219 : :
220 : : // We have to run a scheduler thread to prevent ActivateBestChain
221 : : // from blocking due to queue overrun.
222 [ + - ]: 174 : if (opts.setup_validation_interface) {
223 [ + - ]: 174 : m_node.scheduler = std::make_unique<CScheduler>();
224 [ + - ]: 348 : m_node.scheduler->m_service_thread = std::thread(util::TraceThread, "scheduler", [&] { m_node.scheduler->serviceQueue(); });
225 [ + - + - ]: 174 : m_node.validation_signals = std::make_unique<ValidationSignals>(std::make_unique<SerialTaskRunner>(*m_node.scheduler));
226 : : }
227 : :
228 [ + - ]: 174 : bilingual_str error{};
229 [ + - + - ]: 174 : m_node.mempool = std::make_unique<CTxMemPool>(MemPoolOptionsForTest(m_node), error);
230 [ + - ]: 174 : Assert(error.empty());
231 [ + - ]: 174 : m_node.warnings = std::make_unique<node::Warnings>();
232 : :
233 [ + - + - : 174 : m_node.notifications = std::make_unique<KernelNotifications>(Assert(m_node.shutdown_request), m_node.exit_status, *Assert(m_node.warnings));
+ - ]
234 : :
235 [ - - + - ]: 696 : m_make_chainman = [this, &chainparams, opts] {
236 : 174 : Assert(!m_node.chainman);
237 : 174 : ChainstateManager::Options chainman_opts{
238 : : .chainparams = chainparams,
239 : 174 : .datadir = m_args.GetDataDirNet(),
240 : : .check_block_index = 1,
241 [ - + ]: 174 : .notifications = *m_node.notifications,
242 : 174 : .signals = m_node.validation_signals.get(),
243 : : .worker_threads_num = 2,
244 : 174 : };
245 [ - + ]: 174 : if (opts.min_validation_cache) {
246 : 0 : chainman_opts.script_execution_cache_bytes = 0;
247 : 0 : chainman_opts.signature_cache_bytes = 0;
248 : : }
249 : 174 : const BlockManager::Options blockman_opts{
250 : 174 : .chainparams = chainman_opts.chainparams,
251 : 174 : .blocks_dir = m_args.GetBlocksDirPath(),
252 : 174 : .notifications = chainman_opts.notifications,
253 [ + - ]: 174 : };
254 [ + - + - ]: 174 : m_node.chainman = std::make_unique<ChainstateManager>(*Assert(m_node.shutdown_signal), chainman_opts, blockman_opts);
255 [ + - ]: 174 : LOCK(m_node.chainman->GetMutex());
256 : 522 : m_node.chainman->m_blockman.m_block_tree_db = std::make_unique<BlockTreeDB>(DBParams{
257 [ + - + - : 696 : .path = m_args.GetDataDirNet() / "blocks" / "index",
+ - + - ]
258 [ + - ]: 174 : .cache_bytes = m_kernel_cache_sizes.block_tree_db,
259 : : .memory_only = true,
260 : 174 : });
261 [ + - ]: 696 : };
262 [ + - ]: 174 : m_make_chainman();
263 : 174 : }
264 : :
265 : 174 : ChainTestingSetup::~ChainTestingSetup()
266 : : {
267 [ + - ]: 174 : if (m_node.scheduler) m_node.scheduler->stop();
268 [ + - ]: 174 : if (m_node.validation_signals) m_node.validation_signals->FlushBackgroundCallbacks();
269 [ + + ]: 174 : m_node.connman.reset();
270 [ + + ]: 174 : m_node.banman.reset();
271 [ + + ]: 174 : m_node.addrman.reset();
272 [ + + ]: 174 : m_node.netgroupman.reset();
273 : 174 : m_node.args = nullptr;
274 [ + - ]: 174 : m_node.mempool.reset();
275 : 174 : Assert(!m_node.fee_estimator); // Each test must create a local object, if they wish to use the fee_estimator
276 [ + - ]: 174 : m_node.chainman.reset();
277 [ + - ]: 174 : m_node.validation_signals.reset();
278 [ + - ]: 174 : m_node.scheduler.reset();
279 : 174 : }
280 : :
281 : 173 : void ChainTestingSetup::LoadVerifyActivateChainstate()
282 : : {
283 [ + - ]: 173 : auto& chainman{*Assert(m_node.chainman)};
284 [ + - ]: 173 : node::ChainstateLoadOptions options;
285 [ + - ]: 173 : options.mempool = Assert(m_node.mempool.get());
286 : 173 : options.block_tree_db_in_memory = m_block_tree_db_in_memory;
287 : 173 : options.coins_db_in_memory = m_coins_db_in_memory;
288 [ + - + - ]: 173 : options.wipe_block_tree_db = m_args.GetBoolArg("-reindex", false);
289 [ + - + - : 346 : options.wipe_chainstate_db = m_args.GetBoolArg("-reindex", false) || m_args.GetBoolArg("-reindex-chainstate", false);
- + + - +
- + - -
- ]
290 [ + - ]: 173 : options.prune = chainman.m_blockman.IsPruneMode();
291 [ + - + - ]: 173 : options.check_blocks = m_args.GetIntArg("-checkblocks", DEFAULT_CHECKBLOCKS);
292 [ + - + - ]: 173 : options.check_level = m_args.GetIntArg("-checklevel", DEFAULT_CHECKLEVEL);
293 [ + - + - : 346 : options.require_full_verification = m_args.IsArgSet("-checkblocks") || m_args.IsArgSet("-checklevel");
+ - + - +
- + - -
- ]
294 [ + - - + ]: 173 : auto [status, error] = LoadChainstate(chainman, m_kernel_cache_sizes, options);
295 [ - + ]: 173 : assert(status == node::ChainstateLoadStatus::SUCCESS);
296 : :
297 [ + - ]: 173 : std::tie(status, error) = VerifyLoadedChainstate(chainman, options);
298 [ - + ]: 173 : assert(status == node::ChainstateLoadStatus::SUCCESS);
299 : :
300 [ + - ]: 173 : BlockValidationState state;
301 [ + - + - : 173 : if (!chainman.ActiveChainstate().ActivateBestChain(state)) {
- + - + ]
302 [ # # # # : 0 : throw std::runtime_error(strprintf("ActivateBestChain failed. (%s)", state.ToString()));
# # ]
303 : : }
304 : 346 : }
305 : :
306 : 170 : TestingSetup::TestingSetup(
307 : : const ChainType chainType,
308 : 170 : TestOpts opts)
309 [ + - ]: 170 : : ChainTestingSetup(chainType, opts)
310 : : {
311 : 170 : m_coins_db_in_memory = opts.coins_db_in_memory;
312 : 170 : m_block_tree_db_in_memory = opts.block_tree_db_in_memory;
313 : : // Ideally we'd move all the RPC tests to the functional testing framework
314 : : // instead of unit tests, but for now we need these here.
315 [ + - ]: 170 : RegisterAllCoreRPCCommands(tableRPC);
316 : :
317 [ + - ]: 170 : LoadVerifyActivateChainstate();
318 : :
319 [ + - ]: 170 : if (!opts.setup_net) return;
320 : :
321 [ + - ]: 170 : m_node.netgroupman = std::make_unique<NetGroupManager>(/*asmap=*/std::vector<bool>());
322 : 170 : m_node.addrman = std::make_unique<AddrMan>(*m_node.netgroupman,
323 : 170 : /*deterministic=*/false,
324 [ + - + - : 170 : m_node.args->GetIntArg("-checkaddrman", 0));
+ - ]
325 [ + - + - : 510 : m_node.banman = std::make_unique<BanMan>(m_args.GetDataDirBase() / "banlist", nullptr, DEFAULT_MISBEHAVING_BANTIME);
+ - ]
326 [ + - + - ]: 170 : m_node.connman = std::make_unique<ConnmanTestMsg>(0x1337, 0x1337, *m_node.addrman, *m_node.netgroupman, Params()); // Deterministic randomness for tests.
327 : 170 : PeerManager::Options peerman_opts;
328 [ + - ]: 170 : ApplyArgsManOptions(*m_node.args, peerman_opts);
329 : 170 : peerman_opts.deterministic_rng = true;
330 : 340 : m_node.peerman = PeerManager::make(*m_node.connman, *m_node.addrman,
331 [ + - ]: 170 : m_node.banman.get(), *m_node.chainman,
332 [ + - ]: 170 : *m_node.mempool, *m_node.warnings,
333 : 170 : peerman_opts);
334 : :
335 : 170 : {
336 : 170 : CConnman::Options options;
337 [ + - ]: 170 : options.m_msgproc = m_node.peerman.get();
338 [ + - ]: 170 : m_node.connman->Init(options);
339 : 170 : }
340 : 0 : }
341 : :
342 : 57 : TestChain100Setup::TestChain100Setup(
343 : : const ChainType chain_type,
344 : 57 : TestOpts opts)
345 [ + - + - ]: 114 : : TestingSetup{ChainType::REGTEST, opts}
346 : : {
347 [ + - ]: 57 : SetMockTime(1598887952);
348 : 57 : constexpr std::array<unsigned char, 32> vchKey = {
349 : : {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}};
350 [ + - ]: 57 : coinbaseKey.Set(vchKey.begin(), vchKey.end(), true);
351 : :
352 : : // Generate a 100-block chain:
353 [ + - ]: 57 : this->mineBlocks(COINBASE_MATURITY);
354 : :
355 : 57 : {
356 [ + - ]: 57 : LOCK(::cs_main);
357 [ + - + - : 171 : assert(
+ - - + +
- ]
358 : : m_node.chainman->ActiveChain().Tip()->GetBlockHash().ToString() ==
359 : : "571d80a9967ae599cec0448b0b0ba1cfb606f584d8069bd7166b86854ba7a191");
360 : 0 : }
361 : 57 : }
362 : :
363 : 78 : void TestChain100Setup::mineBlocks(int num_blocks)
364 : : {
365 [ + - + - : 78 : CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
+ - ]
366 [ + + ]: 6328 : for (int i = 0; i < num_blocks; i++) {
367 : 6250 : std::vector<CMutableTransaction> noTxns;
368 [ + - ]: 6250 : CBlock b = CreateAndProcessBlock(noTxns, scriptPubKey);
369 [ + - + - ]: 6250 : SetMockTime(GetTime() + 1);
370 [ + - ]: 6250 : m_coinbase_txns.push_back(b.vtx[0]);
371 : 6250 : }
372 : 78 : }
373 : :
374 : 6311 : CBlock TestChain100Setup::CreateBlock(
375 : : const std::vector<CMutableTransaction>& txns,
376 : : const CScript& scriptPubKey,
377 : : Chainstate& chainstate)
378 : : {
379 : 6311 : BlockAssembler::Options options;
380 : 6311 : options.coinbase_output_script = scriptPubKey;
381 [ + - + - : 6311 : CBlock block = BlockAssembler{chainstate, nullptr, options}.CreateNewBlock()->block;
+ - ]
382 : :
383 [ + - ]: 6311 : Assert(block.vtx.size() == 1);
384 [ + + ]: 6327 : for (const CMutableTransaction& tx : txns) {
385 [ + - + - : 32 : block.vtx.push_back(MakeTransactionRef(tx));
- + ]
386 : : }
387 [ + - + - ]: 6311 : RegenerateCommitments(block, *Assert(m_node.chainman));
388 : :
389 [ + - + - : 12480 : while (!CheckProofOfWork(block.GetHash(), block.nBits, m_node.chainman->GetConsensus())) ++block.nNonce;
+ + ]
390 : :
391 : 6311 : return block;
392 : 6311 : }
393 : :
394 : 6310 : CBlock TestChain100Setup::CreateAndProcessBlock(
395 : : const std::vector<CMutableTransaction>& txns,
396 : : const CScript& scriptPubKey,
397 : : Chainstate* chainstate)
398 : : {
399 [ + - ]: 6310 : if (!chainstate) {
400 : 6310 : chainstate = &Assert(m_node.chainman)->ActiveChainstate();
401 : : }
402 : :
403 : 6310 : CBlock block = this->CreateBlock(txns, scriptPubKey, *chainstate);
404 [ + - ]: 6310 : std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(block);
405 [ + - + - ]: 6310 : Assert(m_node.chainman)->ProcessNewBlock(shared_pblock, true, true, nullptr);
406 : :
407 [ + - ]: 6310 : return block;
408 : 6310 : }
409 : :
410 : 124 : std::pair<CMutableTransaction, CAmount> TestChain100Setup::CreateValidTransaction(const std::vector<CTransactionRef>& input_transactions,
411 : : const std::vector<COutPoint>& inputs,
412 : : int input_height,
413 : : const std::vector<CKey>& input_signing_keys,
414 : : const std::vector<CTxOut>& outputs,
415 : : const std::optional<CFeeRate>& feerate,
416 : : const std::optional<uint32_t>& fee_output)
417 : : {
418 : 124 : CMutableTransaction mempool_txn;
419 [ + - ]: 124 : mempool_txn.vin.reserve(inputs.size());
420 [ + - ]: 124 : mempool_txn.vout.reserve(outputs.size());
421 : :
422 [ + + ]: 272 : for (const auto& outpoint : inputs) {
423 [ + - ]: 296 : mempool_txn.vin.emplace_back(outpoint, CScript(), MAX_BIP125_RBF_SEQUENCE);
424 : : }
425 [ + - ]: 124 : mempool_txn.vout = outputs;
426 : :
427 : : // - Add the signing key to a keystore
428 : 124 : FillableSigningProvider keystore;
429 [ + + ]: 248 : for (const auto& input_signing_key : input_signing_keys) {
430 [ + - ]: 124 : keystore.AddKey(input_signing_key);
431 : : }
432 : : // - Populate a CoinsViewCache with the unspent output
433 : 124 : CCoinsView coins_view;
434 [ + - ]: 124 : CCoinsViewCache coins_cache(&coins_view);
435 [ + + ]: 271 : for (const auto& input_transaction : input_transactions) {
436 [ + - ]: 147 : AddCoins(coins_cache, *input_transaction.get(), input_height);
437 : : }
438 : : // Build Outpoint to Coin map for SignTransaction
439 : 124 : std::map<COutPoint, Coin> input_coins;
440 : 124 : CAmount inputs_amount{0};
441 [ + + ]: 272 : for (const auto& outpoint_to_spend : inputs) {
442 : : // Use GetCoin to properly populate utxo_to_spend
443 [ + - ]: 296 : auto utxo_to_spend{coins_cache.GetCoin(outpoint_to_spend).value()};
444 [ + - ]: 148 : input_coins.insert({outpoint_to_spend, utxo_to_spend});
445 : 148 : inputs_amount += utxo_to_spend.out.nValue;
446 : 148 : }
447 : : // - Default signature hashing type
448 : 124 : int nHashType = SIGHASH_ALL;
449 [ + - ]: 124 : std::map<int, bilingual_str> input_errors;
450 [ + - - + ]: 124 : assert(SignTransaction(mempool_txn, &keystore, input_coins, nHashType, input_errors));
451 : 124 : CAmount current_fee = inputs_amount - std::accumulate(outputs.begin(), outputs.end(), CAmount(0),
452 : 125 : [](const CAmount& acc, const CTxOut& out) {
453 : 125 : return acc + out.nValue;
454 : 124 : });
455 : : // Deduct fees from fee_output to meet feerate if set
456 [ - + ]: 124 : if (feerate.has_value()) {
457 [ # # ]: 0 : assert(fee_output.has_value());
458 [ # # ]: 0 : assert(fee_output.value() < mempool_txn.vout.size());
459 [ # # # # ]: 0 : CAmount target_fee = feerate.value().GetFee(GetVirtualTransactionSize(CTransaction{mempool_txn}));
460 : 0 : CAmount deduction = target_fee - current_fee;
461 [ # # ]: 0 : if (deduction > 0) {
462 : : // Only deduct fee if there's anything to deduct. If the caller has put more fees than
463 : : // the target feerate, don't change the fee.
464 [ # # ]: 0 : mempool_txn.vout[fee_output.value()].nValue -= deduction;
465 : : // Re-sign since an output has changed
466 : 0 : input_errors.clear();
467 [ # # # # ]: 0 : assert(SignTransaction(mempool_txn, &keystore, input_coins, nHashType, input_errors));
468 : : current_fee = target_fee;
469 : : }
470 : : }
471 [ + - ]: 124 : return {mempool_txn, current_fee};
472 : 248 : }
473 : :
474 : 124 : CMutableTransaction TestChain100Setup::CreateValidMempoolTransaction(const std::vector<CTransactionRef>& input_transactions,
475 : : const std::vector<COutPoint>& inputs,
476 : : int input_height,
477 : : const std::vector<CKey>& input_signing_keys,
478 : : const std::vector<CTxOut>& outputs,
479 : : bool submit)
480 : : {
481 : 124 : CMutableTransaction mempool_txn = CreateValidTransaction(input_transactions, inputs, input_height, input_signing_keys, outputs, std::nullopt, std::nullopt).first;
482 : : // If submit=true, add transaction to the mempool.
483 [ + + ]: 124 : if (submit) {
484 [ + - ]: 2 : LOCK(cs_main);
485 [ + - + - ]: 4 : const MempoolAcceptResult result = m_node.chainman->ProcessTransaction(MakeTransactionRef(mempool_txn));
486 [ - + ]: 2 : assert(result.m_result_type == MempoolAcceptResult::ResultType::VALID);
487 [ + - ]: 4 : }
488 : 124 : return mempool_txn;
489 : 0 : }
490 : :
491 : 121 : CMutableTransaction TestChain100Setup::CreateValidMempoolTransaction(CTransactionRef input_transaction,
492 : : uint32_t input_vout,
493 : : int input_height,
494 : : CKey input_signing_key,
495 : : CScript output_destination,
496 : : CAmount output_amount,
497 : : bool submit)
498 : : {
499 : 121 : COutPoint input{input_transaction->GetHash(), input_vout};
500 [ + - ]: 121 : CTxOut output{output_amount, output_destination};
501 [ + - + - : 726 : return CreateValidMempoolTransaction(/*input_transactions=*/{input_transaction},
+ + + - +
+ + + - -
- - - - -
- ]
502 : : /*inputs=*/{input},
503 : : /*input_height=*/input_height,
504 : : /*input_signing_keys=*/{input_signing_key},
505 : : /*outputs=*/{output},
506 [ + - ]: 121 : /*submit=*/submit);
507 [ + - + - : 484 : }
+ - + - ]
508 : :
509 : 0 : std::vector<CTransactionRef> TestChain100Setup::PopulateMempool(FastRandomContext& det_rand, size_t num_transactions, bool submit)
510 : : {
511 : 0 : std::vector<CTransactionRef> mempool_transactions;
512 [ # # ]: 0 : std::deque<std::pair<COutPoint, CAmount>> unspent_prevouts;
513 [ # # ]: 0 : std::transform(m_coinbase_txns.begin(), m_coinbase_txns.end(), std::back_inserter(unspent_prevouts),
514 : 0 : [](const auto& tx){ return std::make_pair(COutPoint(tx->GetHash(), 0), tx->vout[0].nValue); });
515 [ # # # # ]: 0 : while (num_transactions > 0 && !unspent_prevouts.empty()) {
516 : : // The number of inputs and outputs are random, between 1 and 24.
517 [ # # ]: 0 : CMutableTransaction mtx = CMutableTransaction();
518 : 0 : const size_t num_inputs = det_rand.randrange(24) + 1;
519 : 0 : CAmount total_in{0};
520 [ # # ]: 0 : for (size_t n{0}; n < num_inputs; ++n) {
521 [ # # ]: 0 : if (unspent_prevouts.empty()) break;
522 [ # # ]: 0 : const auto& [prevout, amount] = unspent_prevouts.front();
523 [ # # ]: 0 : mtx.vin.emplace_back(prevout, CScript());
524 : 0 : total_in += amount;
525 : 0 : unspent_prevouts.pop_front();
526 : : }
527 : 0 : const size_t num_outputs = det_rand.randrange(24) + 1;
528 : 0 : const CAmount fee = 100 * det_rand.randrange(30);
529 : 0 : const CAmount amount_per_output = (total_in - fee) / num_outputs;
530 [ # # ]: 0 : for (size_t n{0}; n < num_outputs; ++n) {
531 [ # # ]: 0 : CScript spk = CScript() << CScriptNum(num_transactions + n);
532 [ # # ]: 0 : mtx.vout.emplace_back(amount_per_output, spk);
533 : 0 : }
534 [ # # ]: 0 : CTransactionRef ptx = MakeTransactionRef(mtx);
535 [ # # ]: 0 : mempool_transactions.push_back(ptx);
536 [ # # ]: 0 : if (amount_per_output > 3000) {
537 : : // If the value is high enough to fund another transaction + fees, keep track of it so
538 : : // it can be used to build a more complex transaction graph. Insert randomly into
539 : : // unspent_prevouts for extra randomness in the resulting structures.
540 [ # # ]: 0 : for (size_t n{0}; n < num_outputs; ++n) {
541 [ # # ]: 0 : unspent_prevouts.emplace_back(COutPoint(ptx->GetHash(), n), amount_per_output);
542 : 0 : std::swap(unspent_prevouts.back(), unspent_prevouts[det_rand.randrange(unspent_prevouts.size())]);
543 : : }
544 : : }
545 [ # # ]: 0 : if (submit) {
546 [ # # # # ]: 0 : LOCK2(cs_main, m_node.mempool->cs);
547 : 0 : LockPoints lp;
548 [ # # ]: 0 : auto changeset = m_node.mempool->GetChangeSet();
549 [ # # ]: 0 : changeset->StageAddition(ptx, /*fee=*/(total_in - num_outputs * amount_per_output),
550 : : /*time=*/0, /*entry_height=*/1, /*entry_sequence=*/0,
551 : : /*spends_coinbase=*/false, /*sigops_cost=*/4, lp);
552 [ # # ]: 0 : changeset->Apply();
553 [ # # # # ]: 0 : }
554 [ # # ]: 0 : --num_transactions;
555 : 0 : }
556 : 0 : return mempool_transactions;
557 : 0 : }
558 : :
559 : 2 : void TestChain100Setup::MockMempoolMinFee(const CFeeRate& target_feerate)
560 : : {
561 [ + - ]: 2 : LOCK2(cs_main, m_node.mempool->cs);
562 : : // Transactions in the mempool will affect the new minimum feerate.
563 [ + - - + ]: 2 : assert(m_node.mempool->size() == 0);
564 : : // The target feerate cannot be too low...
565 : : // ...otherwise the transaction's feerate will need to be negative.
566 [ - + ]: 2 : assert(target_feerate > m_node.mempool->m_opts.incremental_relay_feerate);
567 : : // ...otherwise this is not meaningful. The feerate policy uses the maximum of both feerates.
568 [ - + ]: 2 : assert(target_feerate > m_node.mempool->m_opts.min_relay_feerate);
569 : :
570 : : // Manually create an invalid transaction. Manually set the fee in the CTxMemPoolEntry to
571 : : // achieve the exact target feerate.
572 [ + - ]: 2 : CMutableTransaction mtx = CMutableTransaction();
573 [ + - ]: 2 : mtx.vin.emplace_back(COutPoint{Txid::FromUint256(m_rng.rand256()), 0});
574 [ + - + - : 4 : mtx.vout.emplace_back(1 * COIN, GetScriptForDestination(WitnessV0ScriptHash(CScript() << OP_TRUE)));
+ - + - ]
575 [ + - ]: 2 : const auto tx{MakeTransactionRef(mtx)};
576 : 2 : LockPoints lp;
577 : : // The new mempool min feerate is equal to the removed package's feerate + incremental feerate.
578 [ + - + - ]: 2 : const auto tx_fee = target_feerate.GetFee(GetVirtualTransactionSize(*tx)) -
579 [ + - + - ]: 2 : m_node.mempool->m_opts.incremental_relay_feerate.GetFee(GetVirtualTransactionSize(*tx));
580 : 2 : {
581 [ + - ]: 2 : auto changeset = m_node.mempool->GetChangeSet();
582 [ + - ]: 2 : changeset->StageAddition(tx, /*fee=*/tx_fee,
583 : : /*time=*/0, /*entry_height=*/1, /*entry_sequence=*/0,
584 : : /*spends_coinbase=*/true, /*sigops_cost=*/1, lp);
585 [ + - ]: 2 : changeset->Apply();
586 : 2 : }
587 [ + - ]: 2 : m_node.mempool->TrimToSize(0);
588 [ + - - + ]: 2 : assert(m_node.mempool->GetMinFee() == target_feerate);
589 [ + - + - ]: 8 : }
590 : : /**
591 : : * @returns a real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
592 : : * with 9 txs.
593 : : */
594 : 3 : CBlock getBlock13b8a()
595 : : {
596 : 3 : CBlock block;
597 : 3 : DataStream stream{
598 [ + - ]: 3 : 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599 [ + - ]: 3 : };
600 [ + - ]: 3 : stream >> TX_WITH_WITNESS(block);
601 : 3 : return block;
602 : 3 : }
603 : :
604 : 0 : std::ostream& operator<<(std::ostream& os, const arith_uint256& num)
605 : : {
606 [ # # ]: 0 : return os << num.ToString();
607 : : }
608 : :
609 : 0 : std::ostream& operator<<(std::ostream& os, const uint160& num)
610 : : {
611 [ # # ]: 0 : return os << num.ToString();
612 : : }
613 : :
614 : 0 : std::ostream& operator<<(std::ostream& os, const uint256& num)
615 : : {
616 [ # # ]: 0 : return os << num.ToString();
617 : : }
|
