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 <config/bitcoin-config.h> // IWYU pragma: keep
6 : :
7 : : #include <test/util/setup_common.h>
8 : :
9 : : #include <addrman.h>
10 : : #include <banman.h>
11 : : #include <chainparams.h>
12 : : #include <common/system.h>
13 : : #include <consensus/consensus.h>
14 : : #include <consensus/params.h>
15 : : #include <consensus/validation.h>
16 : : #include <crypto/sha256.h>
17 : : #include <init.h>
18 : : #include <init/common.h>
19 : : #include <interfaces/chain.h>
20 : : #include <kernel/mempool_entry.h>
21 : : #include <logging.h>
22 : : #include <net.h>
23 : : #include <net_processing.h>
24 : : #include <node/blockstorage.h>
25 : : #include <node/chainstate.h>
26 : : #include <node/context.h>
27 : : #include <node/kernel_notifications.h>
28 : : #include <node/mempool_args.h>
29 : : #include <node/miner.h>
30 : : #include <node/peerman_args.h>
31 : : #include <node/warnings.h>
32 : : #include <noui.h>
33 : : #include <policy/fees.h>
34 : : #include <pow.h>
35 : : #include <random.h>
36 : : #include <rpc/blockchain.h>
37 : : #include <rpc/register.h>
38 : : #include <rpc/server.h>
39 : : #include <scheduler.h>
40 : : #include <script/sigcache.h>
41 : : #include <streams.h>
42 : : #include <test/util/net.h>
43 : : #include <test/util/random.h>
44 : : #include <test/util/txmempool.h>
45 : : #include <txdb.h>
46 : : #include <txmempool.h>
47 : : #include <util/chaintype.h>
48 : : #include <util/check.h>
49 : : #include <util/fs_helpers.h>
50 : : #include <util/rbf.h>
51 : : #include <util/strencodings.h>
52 : : #include <util/string.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 kernel::BlockTreeDB;
68 : : using node::ApplyArgsManOptions;
69 : : using node::BlockAssembler;
70 : : using node::BlockManager;
71 : : using node::CalculateCacheSizes;
72 : : using node::KernelNotifications;
73 : : using node::LoadChainstate;
74 : : using node::RegenerateCommitments;
75 : : using node::VerifyLoadedChainstate;
76 : :
77 : 1 : const std::function<std::string(const char*)> G_TRANSLATION_FUN = nullptr;
78 : :
79 : : /** Random context to get unique temp data dirs. Separate from m_rng, which can be seeded from a const env var */
80 : 1 : static FastRandomContext g_rng_temp_path;
81 : :
82 : 0 : std::ostream& operator<<(std::ostream& os, const arith_uint256& num)
83 : : {
84 [ # # ]: 0 : os << num.ToString();
85 : 0 : return os;
86 : 0 : }
87 : :
88 : 0 : std::ostream& operator<<(std::ostream& os, const uint160& num)
89 : : {
90 [ # # ]: 0 : os << num.ToString();
91 : 0 : return os;
92 : 0 : }
93 : :
94 : 0 : std::ostream& operator<<(std::ostream& os, const uint256& num)
95 : : {
96 [ # # ]: 0 : os << num.ToString();
97 : 0 : return os;
98 : 0 : }
99 : :
100 : : struct NetworkSetup
101 : : {
102 : 1 : NetworkSetup()
103 : : {
104 : 1 : Assert(SetupNetworking());
105 : 1 : }
106 : : };
107 : 1 : static NetworkSetup g_networksetup_instance;
108 : :
109 : : /** Register test-only arguments */
110 : 1826 : static void SetupUnitTestArgs(ArgsManager& argsman)
111 : : {
112 [ + - + - : 1826 : argsman.AddArg("-testdatadir", strprintf("Custom data directory (default: %s<random_string>)", fs::PathToString(fs::temp_directory_path() / "test_common_" PACKAGE_NAME / "")),
+ - + - +
- + - + -
+ - + - +
- ]
113 : 1826 : ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST);
114 : 1826 : }
115 : :
116 : : /** Test setup failure */
117 : 0 : static void ExitFailure(std::string_view str_err)
118 : : {
119 : 0 : std::cerr << str_err << std::endl;
120 : 0 : exit(EXIT_FAILURE);
121 : : }
122 : :
123 [ + - + - ]: 1826 : BasicTestingSetup::BasicTestingSetup(const ChainType chainType, TestOpts opts)
124 : : : m_args{}
125 : : {
126 : 1826 : m_node.shutdown = &m_interrupt;
127 : 1826 : m_node.args = &gArgs;
128 [ + - ]: 1826 : std::vector<const char*> arguments = Cat(
129 [ + - ]: 1826 : {
130 : : "dummy",
131 : : "-printtoconsole=0",
132 : : "-logsourcelocations",
133 : : "-logtimemicros",
134 : : "-logthreadnames",
135 : : "-loglevel=trace",
136 : : "-debug",
137 : : "-debugexclude=libevent",
138 : : "-debugexclude=leveldb",
139 : : },
140 : 1826 : opts.extra_args);
141 [ - + ]: 1826 : if (G_TEST_COMMAND_LINE_ARGUMENTS) {
142 [ + - + - : 1826 : arguments = Cat(arguments, G_TEST_COMMAND_LINE_ARGUMENTS());
+ - ]
143 : 1826 : }
144 [ + - + - ]: 1826 : util::ThreadRename("test");
145 [ + - ]: 1826 : gArgs.ClearPathCache();
146 : : {
147 [ + - ]: 1826 : SetupServerArgs(*m_node.args);
148 [ + - ]: 1826 : SetupUnitTestArgs(*m_node.args);
149 : 1826 : std::string error;
150 [ + - - + ]: 1826 : if (!m_node.args->ParseParameters(arguments.size(), arguments.data(), error)) {
151 [ # # ]: 0 : m_node.args->ClearArgs();
152 [ # # # # ]: 0 : throw std::runtime_error{error};
153 : : }
154 : 1826 : }
155 : :
156 : : // Use randomly chosen seed for deterministic PRNG, so that (by default) test
157 : : // data directories use a random name that doesn't overlap with other tests.
158 [ + - ]: 1826 : SeedRandomForTest(SeedRand::SEED);
159 : :
160 [ + - + - : 1826 : if (!m_node.args->IsArgSet("-testdatadir")) {
+ - ]
161 : : // By default, the data directory has a random name
162 [ + - ]: 1826 : const auto rand_str{g_rng_temp_path.rand256().ToString()};
163 [ + - + - : 1826 : m_path_root = fs::temp_directory_path() / "test_common_" PACKAGE_NAME / rand_str;
+ - + - +
- + - ]
164 [ + - ]: 1826 : TryCreateDirectories(m_path_root);
165 : 1826 : } else {
166 : : // Custom data directory
167 : 0 : m_has_custom_datadir = true;
168 [ # # # # ]: 0 : fs::path root_dir{m_node.args->GetPathArg("-testdatadir")};
169 [ # # # # ]: 0 : if (root_dir.empty()) ExitFailure("-testdatadir argument is empty, please specify a path");
170 : :
171 [ # # ]: 0 : root_dir = fs::absolute(root_dir);
172 [ # # # # : 0 : const std::string test_path{G_TEST_GET_FULL_NAME ? G_TEST_GET_FULL_NAME() : ""};
# # # # #
# # # #
# ]
173 [ # # # # : 0 : m_path_lock = root_dir / "test_common_" PACKAGE_NAME / fs::PathFromString(test_path);
# # # # ]
174 [ # # # # ]: 0 : m_path_root = m_path_lock / "datadir";
175 : :
176 : : // Try to obtain the lock; if unsuccessful don't disturb the existing test.
177 [ # # ]: 0 : TryCreateDirectories(m_path_lock);
178 [ # # # # : 0 : if (util::LockDirectory(m_path_lock, ".lock", /*probe_only=*/false) != util::LockResult::Success) {
# # ]
179 [ # # # # : 0 : ExitFailure("Cannot obtain a lock on test data lock directory " + fs::PathToString(m_path_lock) + '\n' + "The test executable is probably already running.");
# # # # #
# ]
180 : 0 : }
181 : :
182 : : // Always start with a fresh data directory; this doesn't delete the .lock file located one level above.
183 [ # # ]: 0 : fs::remove_all(m_path_root);
184 [ # # # # : 0 : if (!TryCreateDirectories(m_path_root)) ExitFailure("Cannot create test data directory");
# # ]
185 : :
186 : : // Print the test directory name if custom.
187 [ # # # # : 0 : std::cout << "Test directory (will not be deleted): " << m_path_root << std::endl;
# # ]
188 : 0 : }
189 [ + - + - : 1826 : m_args.ForceSetArg("-datadir", fs::PathToString(m_path_root));
+ - ]
190 [ + - + - : 1826 : gArgs.ForceSetArg("-datadir", fs::PathToString(m_path_root));
+ - ]
191 : :
192 [ + - ]: 1826 : SelectParams(chainType);
193 [ - + # # : 1826 : if (G_TEST_LOG_FUN) LogInstance().PushBackCallback(G_TEST_LOG_FUN);
# # # # ]
194 [ + - ]: 1826 : InitLogging(*m_node.args);
195 [ + - ]: 1826 : AppInitParameterInteraction(*m_node.args);
196 [ + - + - ]: 1826 : LogInstance().StartLogging();
197 [ + - ]: 1826 : m_node.warnings = std::make_unique<node::Warnings>();
198 [ + - ]: 1826 : m_node.kernel = std::make_unique<kernel::Context>();
199 [ + - ]: 1826 : m_node.ecc_context = std::make_unique<ECC_Context>();
200 [ + - ]: 1826 : SetupEnvironment();
201 : :
202 [ + - ]: 1826 : m_node.chain = interfaces::MakeChain(m_node);
203 : : static bool noui_connected = false;
204 [ + + ]: 1826 : if (!noui_connected) {
205 [ + - ]: 1 : noui_connect();
206 : 1 : noui_connected = true;
207 : 1 : }
208 : 0 : }
209 : :
210 : 1905 : BasicTestingSetup::~BasicTestingSetup()
211 : : {
212 : 1905 : m_node.ecc_context.reset();
213 : 1905 : m_node.kernel.reset();
214 [ + - + - ]: 1905 : SetMockTime(0s); // Reset mocktime for following tests
215 [ + - + - ]: 1905 : LogInstance().DisconnectTestLogger();
216 [ - + ]: 1905 : if (m_has_custom_datadir) {
217 : : // Only remove the lock file, preserve the data directory.
218 [ # # # # ]: 0 : UnlockDirectory(m_path_lock, ".lock");
219 [ # # # # : 0 : fs::remove(m_path_lock / ".lock");
# # ]
220 : 0 : } else {
221 [ + - ]: 1905 : fs::remove_all(m_path_root);
222 : : }
223 [ + - ]: 1905 : gArgs.ClearArgs();
224 : 1905 : }
225 : :
226 : 1826 : ChainTestingSetup::ChainTestingSetup(const ChainType chainType, TestOpts opts)
227 [ + - ]: 1826 : : BasicTestingSetup(chainType, opts)
228 : : {
229 [ + - ]: 1826 : const CChainParams& chainparams = Params();
230 : :
231 : : // We have to run a scheduler thread to prevent ActivateBestChain
232 : : // from blocking due to queue overrun.
233 [ - + ]: 1826 : if (opts.setup_validation_interface) {
234 [ + - ]: 1826 : m_node.scheduler = std::make_unique<CScheduler>();
235 [ + - ]: 3652 : m_node.scheduler->m_service_thread = std::thread(util::TraceThread, "scheduler", [&] { m_node.scheduler->serviceQueue(); });
236 [ + - + - ]: 1826 : m_node.validation_signals = std::make_unique<ValidationSignals>(std::make_unique<SerialTaskRunner>(*m_node.scheduler));
237 : 1826 : }
238 : :
239 : 1826 : bilingual_str error{};
240 [ + - + - ]: 1826 : m_node.mempool = std::make_unique<CTxMemPool>(MemPoolOptionsForTest(m_node), error);
241 [ + - + - ]: 1826 : Assert(error.empty());
242 [ + - ]: 1826 : m_node.warnings = std::make_unique<node::Warnings>();
243 : :
244 [ + - ]: 1826 : m_cache_sizes = CalculateCacheSizes(m_args);
245 : :
246 [ + - + - : 1826 : m_node.notifications = std::make_unique<KernelNotifications>(*Assert(m_node.shutdown), m_node.exit_status, *Assert(m_node.warnings));
+ - ]
247 : :
248 [ + - + - ]: 4093 : m_make_chainman = [this, &chainparams, opts] {
249 : 2267 : Assert(!m_node.chainman);
250 [ + - + - : 13602 : ChainstateManager::Options chainman_opts{
+ - + - +
- + - #
# ]
251 : 2267 : .chainparams = chainparams,
252 : 2267 : .datadir = m_args.GetDataDirNet(),
253 : 2267 : .check_block_index = 1,
254 : : .notifications = *m_node.notifications,
255 : : .signals = m_node.validation_signals.get(),
256 : : .worker_threads_num = 2,
257 : : };
258 [ + + ]: 2267 : if (opts.min_validation_cache) {
259 : 441 : chainman_opts.script_execution_cache_bytes = 0;
260 : 441 : chainman_opts.signature_cache_bytes = 0;
261 : 441 : }
262 : : const BlockManager::Options blockman_opts{
263 : : .chainparams = chainman_opts.chainparams,
264 : : .blocks_dir = m_args.GetBlocksDirPath(),
265 : : .notifications = chainman_opts.notifications,
266 : : };
267 : : m_node.chainman = std::make_unique<ChainstateManager>(*Assert(m_node.shutdown), chainman_opts, blockman_opts);
268 : : LOCK(m_node.chainman->GetMutex());
269 : : m_node.chainman->m_blockman.m_block_tree_db = std::make_unique<BlockTreeDB>(DBParams{
270 : : .path = m_args.GetDataDirNet() / "blocks" / "index",
271 : : .cache_bytes = static_cast<size_t>(m_cache_sizes.block_tree_db),
272 : : .memory_only = true,
273 : : });
274 : : };
275 [ + - ]: 1826 : m_make_chainman();
276 : 0 : }
277 : :
278 : 1847 : ChainTestingSetup::~ChainTestingSetup()
279 : : {
280 [ + + + - ]: 1847 : if (m_node.scheduler) m_node.scheduler->stop();
281 [ + + + - ]: 1847 : if (m_node.validation_signals) m_node.validation_signals->FlushBackgroundCallbacks();
282 : 1847 : m_node.connman.reset();
283 : 1847 : m_node.banman.reset();
284 : 1847 : m_node.addrman.reset();
285 : 1847 : m_node.netgroupman.reset();
286 : 1847 : m_node.args = nullptr;
287 : 1847 : m_node.mempool.reset();
288 [ + - ]: 1847 : Assert(!m_node.fee_estimator); // Each test must create a local object, if they wish to use the fee_estimator
289 : 1847 : m_node.chainman.reset();
290 : 1847 : m_node.validation_signals.reset();
291 : 1847 : m_node.scheduler.reset();
292 : 1847 : }
293 : :
294 : 2267 : void ChainTestingSetup::LoadVerifyActivateChainstate()
295 : : {
296 : 2267 : auto& chainman{*Assert(m_node.chainman)};
297 : 2267 : node::ChainstateLoadOptions options;
298 [ + - ]: 2267 : options.mempool = Assert(m_node.mempool.get());
299 : 2267 : options.block_tree_db_in_memory = m_block_tree_db_in_memory;
300 : 2267 : options.coins_db_in_memory = m_coins_db_in_memory;
301 [ + - + - ]: 2267 : options.wipe_block_tree_db = m_args.GetBoolArg("-reindex", false);
302 [ + - + - : 2267 : options.wipe_chainstate_db = m_args.GetBoolArg("-reindex", false) || m_args.GetBoolArg("-reindex-chainstate", false);
- + + - +
- - + - +
- + - + #
# # # # #
# # ]
303 [ + - ]: 2267 : options.prune = chainman.m_blockman.IsPruneMode();
304 [ + - + - ]: 2267 : options.check_blocks = m_args.GetIntArg("-checkblocks", DEFAULT_CHECKBLOCKS);
305 [ + - + - ]: 2267 : options.check_level = m_args.GetIntArg("-checklevel", DEFAULT_CHECKLEVEL);
306 [ + - + - : 2267 : options.require_full_verification = m_args.IsArgSet("-checkblocks") || m_args.IsArgSet("-checklevel");
- + + - +
- - + - +
- + - + #
# # # # #
# # ]
307 [ + - ]: 6801 : auto [status, error] = LoadChainstate(chainman, m_cache_sizes, options);
308 [ + - ]: 2267 : assert(status == node::ChainstateLoadStatus::SUCCESS);
309 : :
310 [ + - ]: 2267 : std::tie(status, error) = VerifyLoadedChainstate(chainman, options);
311 [ + - ]: 2267 : assert(status == node::ChainstateLoadStatus::SUCCESS);
312 : :
313 : 2267 : BlockValidationState state;
314 [ + - + - : 2267 : if (!chainman.ActiveChainstate().ActivateBestChain(state)) {
+ - ]
315 [ # # # # : 0 : throw std::runtime_error(strprintf("ActivateBestChain failed. (%s)", state.ToString()));
# # # # #
# ]
316 : : }
317 : 2267 : }
318 : :
319 : 0 : TestingSetup::TestingSetup(
320 : : const ChainType chainType,
321 : : TestOpts opts)
322 [ # # ]: 0 : : ChainTestingSetup(chainType, opts)
323 : : {
324 : 0 : m_coins_db_in_memory = opts.coins_db_in_memory;
325 : 0 : m_block_tree_db_in_memory = opts.block_tree_db_in_memory;
326 : : // Ideally we'd move all the RPC tests to the functional testing framework
327 : : // instead of unit tests, but for now we need these here.
328 [ # # ]: 0 : RegisterAllCoreRPCCommands(tableRPC);
329 : :
330 [ # # ]: 0 : LoadVerifyActivateChainstate();
331 : :
332 [ # # ]: 0 : if (!opts.setup_net) return;
333 : :
334 [ # # ]: 0 : m_node.netgroupman = std::make_unique<NetGroupManager>(/*asmap=*/std::vector<bool>());
335 [ # # ]: 0 : m_node.addrman = std::make_unique<AddrMan>(*m_node.netgroupman,
336 : 0 : /*deterministic=*/false,
337 [ # # # # ]: 0 : m_node.args->GetIntArg("-checkaddrman", 0));
338 [ # # # # : 0 : m_node.banman = std::make_unique<BanMan>(m_args.GetDataDirBase() / "banlist", nullptr, DEFAULT_MISBEHAVING_BANTIME);
# # ]
339 [ # # # # ]: 0 : m_node.connman = std::make_unique<ConnmanTestMsg>(0x1337, 0x1337, *m_node.addrman, *m_node.netgroupman, Params()); // Deterministic randomness for tests.
340 : 0 : PeerManager::Options peerman_opts;
341 [ # # ]: 0 : ApplyArgsManOptions(*m_node.args, peerman_opts);
342 : 0 : peerman_opts.deterministic_rng = true;
343 [ # # # # ]: 0 : m_node.peerman = PeerManager::make(*m_node.connman, *m_node.addrman,
344 : 0 : m_node.banman.get(), *m_node.chainman,
345 : 0 : *m_node.mempool, *m_node.warnings,
346 : 0 : peerman_opts);
347 : :
348 : : {
349 : 0 : CConnman::Options options;
350 [ # # ]: 0 : options.m_msgproc = m_node.peerman.get();
351 [ # # ]: 0 : m_node.connman->Init(options);
352 : 0 : }
353 : 0 : }
354 : :
355 : 0 : TestChain100Setup::TestChain100Setup(
356 : : const ChainType chain_type,
357 : : TestOpts opts)
358 [ # # ]: 0 : : TestingSetup{ChainType::REGTEST, opts}
359 : : {
360 [ # # ]: 0 : SetMockTime(1598887952);
361 : 0 : constexpr std::array<unsigned char, 32> vchKey = {
362 : : {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}};
363 [ # # ]: 0 : coinbaseKey.Set(vchKey.begin(), vchKey.end(), true);
364 : :
365 : : // Generate a 100-block chain:
366 [ # # ]: 0 : this->mineBlocks(COINBASE_MATURITY);
367 : :
368 : : {
369 [ # # # # ]: 0 : LOCK(::cs_main);
370 [ # # # # : 0 : assert(
# # # # #
# # # ]
371 : : m_node.chainman->ActiveChain().Tip()->GetBlockHash().ToString() ==
372 : : "571d80a9967ae599cec0448b0b0ba1cfb606f584d8069bd7166b86854ba7a191");
373 : 0 : }
374 : 0 : }
375 : :
376 : 0 : void TestChain100Setup::mineBlocks(int num_blocks)
377 : : {
378 [ # # # # : 0 : CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
# # # # #
# ]
379 [ # # ]: 0 : for (int i = 0; i < num_blocks; i++) {
380 : 0 : std::vector<CMutableTransaction> noTxns;
381 [ # # ]: 0 : CBlock b = CreateAndProcessBlock(noTxns, scriptPubKey);
382 [ # # # # ]: 0 : SetMockTime(GetTime() + 1);
383 [ # # ]: 0 : m_coinbase_txns.push_back(b.vtx[0]);
384 : 0 : }
385 : 0 : }
386 : :
387 : 0 : CBlock TestChain100Setup::CreateBlock(
388 : : const std::vector<CMutableTransaction>& txns,
389 : : const CScript& scriptPubKey,
390 : : Chainstate& chainstate)
391 : : {
392 : 0 : BlockAssembler::Options options;
393 [ # # # # ]: 0 : CBlock block = BlockAssembler{chainstate, nullptr, options}.CreateNewBlock(scriptPubKey)->block;
394 : :
395 [ # # ]: 0 : Assert(block.vtx.size() == 1);
396 [ # # ]: 0 : for (const CMutableTransaction& tx : txns) {
397 [ # # # # ]: 0 : block.vtx.push_back(MakeTransactionRef(tx));
398 : 0 : }
399 [ # # # # ]: 0 : RegenerateCommitments(block, *Assert(m_node.chainman));
400 : :
401 [ # # # # : 0 : while (!CheckProofOfWork(block.GetHash(), block.nBits, m_node.chainman->GetConsensus())) ++block.nNonce;
# # # # ]
402 : :
403 : 0 : return block;
404 [ # # ]: 0 : }
405 : :
406 : 0 : CBlock TestChain100Setup::CreateAndProcessBlock(
407 : : const std::vector<CMutableTransaction>& txns,
408 : : const CScript& scriptPubKey,
409 : : Chainstate* chainstate)
410 : : {
411 [ # # ]: 0 : if (!chainstate) {
412 : 0 : chainstate = &Assert(m_node.chainman)->ActiveChainstate();
413 : 0 : }
414 : :
415 : 0 : CBlock block = this->CreateBlock(txns, scriptPubKey, *chainstate);
416 [ # # ]: 0 : std::shared_ptr<const CBlock> shared_pblock = std::make_shared<const CBlock>(block);
417 [ # # # # ]: 0 : Assert(m_node.chainman)->ProcessNewBlock(shared_pblock, true, true, nullptr);
418 : :
419 : 0 : return block;
420 [ # # ]: 0 : }
421 : :
422 : 0 : std::pair<CMutableTransaction, CAmount> TestChain100Setup::CreateValidTransaction(const std::vector<CTransactionRef>& input_transactions,
423 : : const std::vector<COutPoint>& inputs,
424 : : int input_height,
425 : : const std::vector<CKey>& input_signing_keys,
426 : : const std::vector<CTxOut>& outputs,
427 : : const std::optional<CFeeRate>& feerate,
428 : : const std::optional<uint32_t>& fee_output)
429 : : {
430 : 0 : CMutableTransaction mempool_txn;
431 [ # # ]: 0 : mempool_txn.vin.reserve(inputs.size());
432 [ # # ]: 0 : mempool_txn.vout.reserve(outputs.size());
433 : :
434 [ # # ]: 0 : for (const auto& outpoint : inputs) {
435 [ # # ]: 0 : mempool_txn.vin.emplace_back(outpoint, CScript(), MAX_BIP125_RBF_SEQUENCE);
436 : 0 : }
437 [ # # ]: 0 : mempool_txn.vout = outputs;
438 : :
439 : : // - Add the signing key to a keystore
440 : 0 : FillableSigningProvider keystore;
441 [ # # ]: 0 : for (const auto& input_signing_key : input_signing_keys) {
442 [ # # ]: 0 : keystore.AddKey(input_signing_key);
443 : 0 : }
444 : : // - Populate a CoinsViewCache with the unspent output
445 : 0 : CCoinsView coins_view;
446 [ # # ]: 0 : CCoinsViewCache coins_cache(&coins_view);
447 [ # # ]: 0 : for (const auto& input_transaction : input_transactions) {
448 [ # # ]: 0 : AddCoins(coins_cache, *input_transaction.get(), input_height);
449 : 0 : }
450 : : // Build Outpoint to Coin map for SignTransaction
451 : 0 : std::map<COutPoint, Coin> input_coins;
452 : 0 : CAmount inputs_amount{0};
453 [ # # ]: 0 : for (const auto& outpoint_to_spend : inputs) {
454 : : // - Use GetCoin to properly populate utxo_to_spend,
455 [ # # ]: 0 : Coin utxo_to_spend;
456 [ # # # # ]: 0 : assert(coins_cache.GetCoin(outpoint_to_spend, utxo_to_spend));
457 [ # # # # ]: 0 : input_coins.insert({outpoint_to_spend, utxo_to_spend});
458 : 0 : inputs_amount += utxo_to_spend.out.nValue;
459 : 0 : }
460 : : // - Default signature hashing type
461 : 0 : int nHashType = SIGHASH_ALL;
462 : 0 : std::map<int, bilingual_str> input_errors;
463 [ # # # # ]: 0 : assert(SignTransaction(mempool_txn, &keystore, input_coins, nHashType, input_errors));
464 [ # # ]: 0 : CAmount current_fee = inputs_amount - std::accumulate(outputs.begin(), outputs.end(), CAmount(0),
465 : 0 : [](const CAmount& acc, const CTxOut& out) {
466 : 0 : return acc + out.nValue;
467 : : });
468 : : // Deduct fees from fee_output to meet feerate if set
469 [ # # ]: 0 : if (feerate.has_value()) {
470 [ # # ]: 0 : assert(fee_output.has_value());
471 [ # # # # ]: 0 : assert(fee_output.value() < mempool_txn.vout.size());
472 [ # # # # : 0 : CAmount target_fee = feerate.value().GetFee(GetVirtualTransactionSize(CTransaction{mempool_txn}));
# # # # ]
473 : 0 : CAmount deduction = target_fee - current_fee;
474 [ # # ]: 0 : if (deduction > 0) {
475 : : // Only deduct fee if there's anything to deduct. If the caller has put more fees than
476 : : // the target feerate, don't change the fee.
477 [ # # ]: 0 : mempool_txn.vout[fee_output.value()].nValue -= deduction;
478 : : // Re-sign since an output has changed
479 : 0 : input_errors.clear();
480 [ # # # # ]: 0 : assert(SignTransaction(mempool_txn, &keystore, input_coins, nHashType, input_errors));
481 : 0 : current_fee = target_fee;
482 : 0 : }
483 : 0 : }
484 [ # # ]: 0 : return {mempool_txn, current_fee};
485 : 0 : }
486 : :
487 : 0 : CMutableTransaction TestChain100Setup::CreateValidMempoolTransaction(const std::vector<CTransactionRef>& input_transactions,
488 : : const std::vector<COutPoint>& inputs,
489 : : int input_height,
490 : : const std::vector<CKey>& input_signing_keys,
491 : : const std::vector<CTxOut>& outputs,
492 : : bool submit)
493 : : {
494 : 0 : CMutableTransaction mempool_txn = CreateValidTransaction(input_transactions, inputs, input_height, input_signing_keys, outputs, std::nullopt, std::nullopt).first;
495 : : // If submit=true, add transaction to the mempool.
496 [ # # ]: 0 : if (submit) {
497 [ # # # # ]: 0 : LOCK(cs_main);
498 [ # # # # ]: 0 : const MempoolAcceptResult result = m_node.chainman->ProcessTransaction(MakeTransactionRef(mempool_txn));
499 [ # # ]: 0 : assert(result.m_result_type == MempoolAcceptResult::ResultType::VALID);
500 : 0 : }
501 : 0 : return mempool_txn;
502 [ # # ]: 0 : }
503 : :
504 : 0 : CMutableTransaction TestChain100Setup::CreateValidMempoolTransaction(CTransactionRef input_transaction,
505 : : uint32_t input_vout,
506 : : int input_height,
507 : : CKey input_signing_key,
508 : : CScript output_destination,
509 : : CAmount output_amount,
510 : : bool submit)
511 : : {
512 : 0 : COutPoint input{input_transaction->GetHash(), input_vout};
513 [ # # ]: 0 : CTxOut output{output_amount, output_destination};
514 [ # # # # ]: 0 : return CreateValidMempoolTransaction(/*input_transactions=*/{input_transaction},
515 [ # # ]: 0 : /*inputs=*/{input},
516 : 0 : /*input_height=*/input_height,
517 [ # # # # ]: 0 : /*input_signing_keys=*/{input_signing_key},
518 [ # # # # ]: 0 : /*outputs=*/{output},
519 : 0 : /*submit=*/submit);
520 : 0 : }
521 : :
522 : 0 : std::vector<CTransactionRef> TestChain100Setup::PopulateMempool(FastRandomContext& det_rand, size_t num_transactions, bool submit)
523 : : {
524 : 0 : std::vector<CTransactionRef> mempool_transactions;
525 [ # # ]: 0 : std::deque<std::pair<COutPoint, CAmount>> unspent_prevouts;
526 [ # # # # ]: 0 : std::transform(m_coinbase_txns.begin(), m_coinbase_txns.end(), std::back_inserter(unspent_prevouts),
527 : 0 : [](const auto& tx){ return std::make_pair(COutPoint(tx->GetHash(), 0), tx->vout[0].nValue); });
528 [ # # # # ]: 0 : while (num_transactions > 0 && !unspent_prevouts.empty()) {
529 : : // The number of inputs and outputs are random, between 1 and 24.
530 [ # # ]: 0 : CMutableTransaction mtx = CMutableTransaction();
531 : 0 : const size_t num_inputs = det_rand.randrange(24) + 1;
532 : 0 : CAmount total_in{0};
533 [ # # ]: 0 : for (size_t n{0}; n < num_inputs; ++n) {
534 [ # # ]: 0 : if (unspent_prevouts.empty()) break;
535 : 0 : const auto& [prevout, amount] = unspent_prevouts.front();
536 [ # # # # ]: 0 : mtx.vin.emplace_back(prevout, CScript());
537 : 0 : total_in += amount;
538 : 0 : unspent_prevouts.pop_front();
539 : 0 : }
540 : 0 : const size_t num_outputs = det_rand.randrange(24) + 1;
541 : 0 : const CAmount fee = 100 * det_rand.randrange(30);
542 : 0 : const CAmount amount_per_output = (total_in - fee) / num_outputs;
543 [ # # ]: 0 : for (size_t n{0}; n < num_outputs; ++n) {
544 [ # # # # : 0 : CScript spk = CScript() << CScriptNum(num_transactions + n);
# # ]
545 [ # # ]: 0 : mtx.vout.emplace_back(amount_per_output, spk);
546 : 0 : }
547 [ # # ]: 0 : CTransactionRef ptx = MakeTransactionRef(mtx);
548 [ # # ]: 0 : mempool_transactions.push_back(ptx);
549 [ # # ]: 0 : if (amount_per_output > 3000) {
550 : : // If the value is high enough to fund another transaction + fees, keep track of it so
551 : : // it can be used to build a more complex transaction graph. Insert randomly into
552 : : // unspent_prevouts for extra randomness in the resulting structures.
553 [ # # ]: 0 : for (size_t n{0}; n < num_outputs; ++n) {
554 [ # # # # : 0 : unspent_prevouts.emplace_back(COutPoint(ptx->GetHash(), n), amount_per_output);
# # ]
555 : 0 : std::swap(unspent_prevouts.back(), unspent_prevouts[det_rand.randrange(unspent_prevouts.size())]);
556 : 0 : }
557 : 0 : }
558 [ # # ]: 0 : if (submit) {
559 [ # # # # : 0 : LOCK2(cs_main, m_node.mempool->cs);
# # # # ]
560 : 0 : LockPoints lp;
561 [ # # # # : 0 : m_node.mempool->addUnchecked(CTxMemPoolEntry(ptx, /*fee=*/(total_in - num_outputs * amount_per_output),
# # ]
562 : : /*time=*/0, /*entry_height=*/1, /*entry_sequence=*/0,
563 : 0 : /*spends_coinbase=*/false, /*sigops_cost=*/4, lp));
564 : 0 : }
565 : 0 : --num_transactions;
566 : 0 : }
567 : 0 : return mempool_transactions;
568 [ # # ]: 0 : }
569 : :
570 : 0 : void TestChain100Setup::MockMempoolMinFee(const CFeeRate& target_feerate)
571 : : {
572 [ # # # # ]: 0 : LOCK2(cs_main, m_node.mempool->cs);
573 : : // Transactions in the mempool will affect the new minimum feerate.
574 [ # # # # ]: 0 : assert(m_node.mempool->size() == 0);
575 : : // The target feerate cannot be too low...
576 : : // ...otherwise the transaction's feerate will need to be negative.
577 [ # # # # ]: 0 : assert(target_feerate > m_node.mempool->m_opts.incremental_relay_feerate);
578 : : // ...otherwise this is not meaningful. The feerate policy uses the maximum of both feerates.
579 [ # # # # ]: 0 : assert(target_feerate > m_node.mempool->m_opts.min_relay_feerate);
580 : :
581 : : // Manually create an invalid transaction. Manually set the fee in the CTxMemPoolEntry to
582 : : // achieve the exact target feerate.
583 [ # # ]: 0 : CMutableTransaction mtx = CMutableTransaction();
584 [ # # # # : 0 : mtx.vin.emplace_back(COutPoint{Txid::FromUint256(m_rng.rand256()), 0});
# # ]
585 [ # # # # : 0 : mtx.vout.emplace_back(1 * COIN, GetScriptForDestination(WitnessV0ScriptHash(CScript() << OP_TRUE)));
# # # # ]
586 [ # # ]: 0 : const auto tx{MakeTransactionRef(mtx)};
587 : 0 : LockPoints lp;
588 : : // The new mempool min feerate is equal to the removed package's feerate + incremental feerate.
589 [ # # # # ]: 0 : const auto tx_fee = target_feerate.GetFee(GetVirtualTransactionSize(*tx)) -
590 [ # # # # ]: 0 : m_node.mempool->m_opts.incremental_relay_feerate.GetFee(GetVirtualTransactionSize(*tx));
591 [ # # # # : 0 : m_node.mempool->addUnchecked(CTxMemPoolEntry(tx, /*fee=*/tx_fee,
# # ]
592 : : /*time=*/0, /*entry_height=*/1, /*entry_sequence=*/0,
593 : 0 : /*spends_coinbase=*/true, /*sigops_cost=*/1, lp));
594 [ # # ]: 0 : m_node.mempool->TrimToSize(0);
595 [ # # # # : 0 : assert(m_node.mempool->GetMinFee() == target_feerate);
# # ]
596 : 0 : }
597 : : /**
598 : : * @returns a real block (0000000000013b8ab2cd513b0261a14096412195a72a0c4827d229dcc7e0f7af)
599 : : * with 9 txs.
600 : : */
601 : 0 : CBlock getBlock13b8a()
602 : : {
603 : 0 : CBlock block;
604 [ # # ]: 0 : DataStream stream{
605 [ # # # # ]: 0 : 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606 : : };
607 [ # # # # ]: 0 : stream >> TX_WITH_WITNESS(block);
608 : 0 : return block;
609 [ # # ]: 0 : }
|
