Branch data Line data Source code
1 : : // Copyright (c) 2009-2010 Satoshi Nakamoto
2 : : // Copyright (c) 2009-2022 The Bitcoin Core developers
3 : : // Distributed under the MIT software license, see the accompanying
4 : : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 : :
6 : : #include <wallet/wallet.h>
7 : :
8 : : #if defined(HAVE_CONFIG_H)
9 : : #include <config/bitcoin-config.h>
10 : : #endif
11 : : #include <addresstype.h>
12 : : #include <blockfilter.h>
13 : : #include <chain.h>
14 : : #include <coins.h>
15 : : #include <common/args.h>
16 : : #include <common/settings.h>
17 [ + - ]: 2 : #include <common/system.h>
18 [ + - ]: 2 : #include <consensus/amount.h>
19 : : #include <consensus/consensus.h>
20 : : #include <consensus/validation.h>
21 : : #include <external_signer.h>
22 : : #include <interfaces/chain.h>
23 : : #include <interfaces/handler.h>
24 : : #include <interfaces/wallet.h>
25 : : #include <kernel/chain.h>
26 : : #include <kernel/mempool_removal_reason.h>
27 : 2 : #include <key.h>
28 : : #include <key_io.h>
29 : : #include <logging.h>
30 : : #include <outputtype.h>
31 : : #include <policy/feerate.h>
32 : : #include <primitives/block.h>
33 : : #include <primitives/transaction.h>
34 : : #include <psbt.h>
35 : : #include <pubkey.h>
36 : : #include <random.h>
37 : : #include <script/descriptor.h>
38 : : #include <script/interpreter.h>
39 : : #include <script/script.h>
40 : : #include <script/sign.h>
41 : : #include <script/signingprovider.h>
42 : : #include <script/solver.h>
43 : : #include <serialize.h>
44 : : #include <span.h>
45 : : #include <streams.h>
46 : : #include <support/allocators/secure.h>
47 : : #include <support/allocators/zeroafterfree.h>
48 : : #include <support/cleanse.h>
49 : : #include <sync.h>
50 : : #include <tinyformat.h>
51 : : #include <uint256.h>
52 : : #include <univalue.h>
53 [ # # ]: 0 : #include <util/check.h>
54 : : #include <util/error.h>
55 : : #include <util/fs.h>
56 : : #include <util/fs_helpers.h>
57 : : #include <util/message.h>
58 : : #include <util/moneystr.h>
59 : : #include <util/result.h>
60 : : #include <util/string.h>
61 : : #include <util/time.h>
62 : : #include <util/translation.h>
63 : : #include <wallet/coincontrol.h>
64 : : #include <wallet/context.h>
65 : : #include <wallet/crypter.h>
66 : : #include <wallet/db.h>
67 : : #include <wallet/external_signer_scriptpubkeyman.h>
68 : : #include <wallet/scriptpubkeyman.h>
69 : : #include <wallet/transaction.h>
70 : : #include <wallet/types.h>
71 : : #include <wallet/walletdb.h>
72 : : #include <wallet/walletutil.h>
73 : :
74 : : #include <algorithm>
75 : : #include <cassert>
76 : : #include <condition_variable>
77 : : #include <exception>
78 : : #include <optional>
79 : : #include <stdexcept>
80 : : #include <thread>
81 : : #include <tuple>
82 : : #include <variant>
83 : :
84 : : struct KeyOriginInfo;
85 : :
86 : : using interfaces::FoundBlock;
87 : :
88 : : namespace wallet {
89 : :
90 : 0 : bool AddWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
91 : 2 : {
92 [ # # ][ # # ]: 0 : common::SettingsValue setting_value = chain.getRwSetting("wallet");
93 [ # # ][ # # ]: 0 : if (!setting_value.isArray()) setting_value.setArray();
[ # # ]
94 [ # # ][ # # ]: 0 : for (const common::SettingsValue& value : setting_value.getValues()) {
95 [ # # ][ # # ]: 0 : if (value.isStr() && value.get_str() == wallet_name) return true;
[ # # ][ # # ]
96 : : }
97 [ # # ][ # # ]: 0 : setting_value.push_back(wallet_name);
98 [ # # ][ # # ]: 0 : return chain.updateRwSetting("wallet", setting_value);
99 : 2 : }
100 : :
101 : 0 : bool RemoveWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
102 : : {
103 [ # # ][ # # ]: 0 : common::SettingsValue setting_value = chain.getRwSetting("wallet");
104 [ # # ][ # # ]: 0 : if (!setting_value.isArray()) return true;
105 [ # # ]: 0 : common::SettingsValue new_value(common::SettingsValue::VARR);
106 [ # # ][ # # ]: 0 : for (const common::SettingsValue& value : setting_value.getValues()) {
107 [ # # ][ # # ]: 0 : if (!value.isStr() || value.get_str() != wallet_name) new_value.push_back(value);
[ # # ][ # # ]
[ # # ][ # # ]
108 : : }
109 [ # # ][ # # ]: 0 : if (new_value.size() == setting_value.size()) return true;
[ # # ]
110 [ # # ][ # # ]: 0 : return chain.updateRwSetting("wallet", new_value);
111 : 0 : }
112 : :
113 : 0 : static void UpdateWalletSetting(interfaces::Chain& chain,
114 : : const std::string& wallet_name,
115 : : std::optional<bool> load_on_startup,
116 : : std::vector<bilingual_str>& warnings)
117 : : {
118 [ # # ]: 0 : if (!load_on_startup) return;
119 [ # # ][ # # ]: 0 : if (load_on_startup.value() && !AddWalletSetting(chain, wallet_name)) {
120 [ # # ][ # # ]: 0 : warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may not be loaded next node startup."));
[ # # ]
121 [ # # ][ # # ]: 0 : } else if (!load_on_startup.value() && !RemoveWalletSetting(chain, wallet_name)) {
122 [ # # ][ # # ]: 0 : warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may still be loaded next node startup."));
[ # # ]
123 : 0 : }
124 : 0 : }
125 : :
126 : : /**
127 : : * Refresh mempool status so the wallet is in an internally consistent state and
128 : : * immediately knows the transaction's status: Whether it can be considered
129 : : * trusted and is eligible to be abandoned ...
130 : : */
131 : 0 : static void RefreshMempoolStatus(CWalletTx& tx, interfaces::Chain& chain)
132 : : {
133 [ # # ]: 0 : if (chain.isInMempool(tx.GetHash())) {
134 : 0 : tx.m_state = TxStateInMempool();
135 [ # # ]: 0 : } else if (tx.state<TxStateInMempool>()) {
136 : 0 : tx.m_state = TxStateInactive();
137 : 0 : }
138 : 0 : }
139 : :
140 : 0 : bool AddWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
141 : : {
142 : 0 : LOCK(context.wallets_mutex);
143 [ # # ]: 0 : assert(wallet);
144 [ # # ]: 0 : std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
145 [ # # ]: 0 : if (i != context.wallets.end()) return false;
146 [ # # ]: 0 : context.wallets.push_back(wallet);
147 [ # # ]: 0 : wallet->ConnectScriptPubKeyManNotifiers();
148 [ # # ]: 0 : wallet->NotifyCanGetAddressesChanged();
149 : 0 : return true;
150 : 0 : }
151 : :
152 : 0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start, std::vector<bilingual_str>& warnings)
153 : : {
154 [ # # ]: 0 : assert(wallet);
155 : :
156 : 0 : interfaces::Chain& chain = wallet->chain();
157 : 0 : std::string name = wallet->GetName();
158 : :
159 : : // Unregister with the validation interface which also drops shared pointers.
160 : 0 : wallet->m_chain_notifications_handler.reset();
161 [ # # ][ # # ]: 0 : LOCK(context.wallets_mutex);
162 [ # # ]: 0 : std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
163 [ + - ][ # # ]: 2 : if (i == context.wallets.end()) return false;
164 [ + - ][ # # ]: 2 : context.wallets.erase(i);
165 [ + - ]: 2 :
166 [ + - ]: 2 : // Write the wallet setting
167 [ + - ][ # # ]: 2 : UpdateWalletSetting(chain, name, load_on_start, warnings);
168 [ + - ]: 2 :
169 [ + - ]: 2 : return true;
170 [ + - ]: 2 : }
171 : :
172 : 0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start)
173 : : {
174 : 0 : std::vector<bilingual_str> warnings;
175 [ # # ]: 0 : return RemoveWallet(context, wallet, load_on_start, warnings);
176 : 0 : }
177 : :
178 : 0 : std::vector<std::shared_ptr<CWallet>> GetWallets(WalletContext& context)
179 : : {
180 : 0 : LOCK(context.wallets_mutex);
181 [ # # ]: 0 : return context.wallets;
182 : 0 : }
183 : :
184 : 0 : std::shared_ptr<CWallet> GetDefaultWallet(WalletContext& context, size_t& count)
185 : : {
186 : 0 : LOCK(context.wallets_mutex);
187 : 0 : count = context.wallets.size();
188 [ # # ]: 0 : return count == 1 ? context.wallets[0] : nullptr;
189 : 0 : }
190 : :
191 : 0 : std::shared_ptr<CWallet> GetWallet(WalletContext& context, const std::string& name)
192 : : {
193 : 0 : LOCK(context.wallets_mutex);
194 [ # # ]: 0 : for (const std::shared_ptr<CWallet>& wallet : context.wallets) {
195 [ # # ][ # # ]: 0 : if (wallet->GetName() == name) return wallet;
196 : : }
197 : 0 : return nullptr;
198 : 0 : }
199 : :
200 : 0 : std::unique_ptr<interfaces::Handler> HandleLoadWallet(WalletContext& context, LoadWalletFn load_wallet)
201 : : {
202 : 0 : LOCK(context.wallets_mutex);
203 [ # # ]: 0 : auto it = context.wallet_load_fns.emplace(context.wallet_load_fns.end(), std::move(load_wallet));
204 [ # # ]: 0 : return interfaces::MakeCleanupHandler([&context, it] { LOCK(context.wallets_mutex); context.wallet_load_fns.erase(it); });
205 : 0 : }
206 : :
207 : 0 : void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
208 : : {
209 : 0 : LOCK(context.wallets_mutex);
210 [ # # ]: 0 : for (auto& load_wallet : context.wallet_load_fns) {
211 [ # # ][ # # ]: 0 : load_wallet(interfaces::MakeWallet(context, wallet));
212 : : }
213 : 0 : }
214 : :
215 : : static GlobalMutex g_loading_wallet_mutex;
216 : : static GlobalMutex g_wallet_release_mutex;
217 : 2 : static std::condition_variable g_wallet_release_cv;
218 : 2 : static std::set<std::string> g_loading_wallet_set GUARDED_BY(g_loading_wallet_mutex);
219 : 2 : static std::set<std::string> g_unloading_wallet_set GUARDED_BY(g_wallet_release_mutex);
220 : :
221 : : // Custom deleter for shared_ptr<CWallet>.
222 : 0 : static void ReleaseWallet(CWallet* wallet)
223 : : {
224 : 0 : const std::string name = wallet->GetName();
225 [ # # ]: 0 : wallet->WalletLogPrintf("Releasing wallet\n");
226 [ # # ]: 0 : wallet->Flush();
227 [ # # ]: 0 : delete wallet;
228 : : // Wallet is now released, notify UnloadWallet, if any.
229 : : {
230 [ # # ][ # # ]: 0 : LOCK(g_wallet_release_mutex);
231 [ # # ][ # # ]: 0 : if (g_unloading_wallet_set.erase(name) == 0) {
232 : : // UnloadWallet was not called for this wallet, all done.
233 : 0 : return;
234 : : }
235 [ # # ]: 0 : }
236 : 0 : g_wallet_release_cv.notify_all();
237 [ # # ]: 0 : }
238 : :
239 : 0 : void UnloadWallet(std::shared_ptr<CWallet>&& wallet)
240 : : {
241 : : // Mark wallet for unloading.
242 : 0 : const std::string name = wallet->GetName();
243 : : {
244 [ # # ][ # # ]: 0 : LOCK(g_wallet_release_mutex);
245 [ # # ]: 0 : auto it = g_unloading_wallet_set.insert(name);
246 [ # # ]: 0 : assert(it.second);
247 : 0 : }
248 : : // The wallet can be in use so it's not possible to explicitly unload here.
249 : : // Notify the unload intent so that all remaining shared pointers are
250 : : // released.
251 [ # # ]: 0 : wallet->NotifyUnload();
252 : :
253 : : // Time to ditch our shared_ptr and wait for ReleaseWallet call.
254 : 0 : wallet.reset();
255 : : {
256 [ # # ][ # # ]: 0 : WAIT_LOCK(g_wallet_release_mutex, lock);
257 [ # # ][ # # ]: 0 : while (g_unloading_wallet_set.count(name) == 1) {
258 [ # # ]: 0 : g_wallet_release_cv.wait(lock);
259 : : }
260 : 0 : }
261 : 0 : }
262 : :
263 : : namespace {
264 [ + - ]: 2 : std::shared_ptr<CWallet> LoadWalletInternal(WalletContext& context, const std::string& name, std::optional<bool> load_on_start, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
265 : : {
266 : : try {
267 [ # # ]: 0 : std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
268 [ # # ]: 0 : if (!database) {
269 [ # # ][ # # ]: 0 : error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
[ # # ][ # # ]
[ # # ][ # # ]
270 : 0 : return nullptr;
271 : : }
272 : :
273 [ # # ][ # # ]: 0 : context.chain->initMessage(_("Loading wallet…").translated);
274 [ # # ]: 0 : std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), options.create_flags, error, warnings);
275 [ # # ]: 0 : if (!wallet) {
276 [ # # ][ # # ]: 0 : error = Untranslated("Wallet loading failed.") + Untranslated(" ") + error;
[ # # ][ # # ]
[ # # ][ # # ]
277 : 0 : status = DatabaseStatus::FAILED_LOAD;
278 : 0 : return nullptr;
279 : : }
280 : :
281 : : // Legacy wallets are being deprecated, warn if the loaded wallet is legacy
282 [ # # ]: 0 : if (!wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
283 [ # # ][ # # ]: 0 : warnings.push_back(_("Wallet loaded successfully. The legacy wallet type is being deprecated and support for creating and opening legacy wallets will be removed in the future. Legacy wallets can be migrated to a descriptor wallet with migratewallet."));
284 : 0 : }
285 : :
286 [ # # ]: 0 : NotifyWalletLoaded(context, wallet);
287 [ # # ]: 0 : AddWallet(context, wallet);
288 [ # # ]: 0 : wallet->postInitProcess();
289 : :
290 : : // Write the wallet setting
291 [ # # ]: 0 : UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
292 : :
293 : 0 : return wallet;
294 [ # # ]: 0 : } catch (const std::runtime_error& e) {
295 [ # # ][ # # ]: 0 : error = Untranslated(e.what());
296 : 0 : status = DatabaseStatus::FAILED_LOAD;
297 : 0 : return nullptr;
298 [ # # ]: 0 : }
299 : 0 : }
300 : :
301 : 0 : class FastWalletRescanFilter
302 : : {
303 : : public:
304 [ # # ]: 0 : FastWalletRescanFilter(const CWallet& wallet) : m_wallet(wallet)
305 : : {
306 : : // fast rescanning via block filters is only supported by descriptor wallets right now
307 [ # # ][ # # ]: 0 : assert(!m_wallet.IsLegacy());
308 : :
309 : : // create initial filter with scripts from all ScriptPubKeyMans
310 [ # # ][ # # ]: 0 : for (auto spkm : m_wallet.GetAllScriptPubKeyMans()) {
311 [ # # ]: 0 : auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(spkm)};
312 [ # # ]: 0 : assert(desc_spkm != nullptr);
313 [ # # ]: 0 : AddScriptPubKeys(desc_spkm);
314 : : // save each range descriptor's end for possible future filter updates
315 [ # # ][ # # ]: 0 : if (desc_spkm->IsHDEnabled()) {
316 [ # # ][ # # ]: 0 : m_last_range_ends.emplace(desc_spkm->GetID(), desc_spkm->GetEndRange());
[ # # ]
317 : 0 : }
318 : : }
319 : 0 : }
320 : :
321 : 0 : void UpdateIfNeeded()
322 : : {
323 : : // repopulate filter with new scripts if top-up has happened since last iteration
324 [ # # ]: 0 : for (const auto& [desc_spkm_id, last_range_end] : m_last_range_ends) {
325 [ # # ][ # # ]: 0 : auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(m_wallet.GetScriptPubKeyMan(desc_spkm_id))};
326 [ # # ]: 0 : assert(desc_spkm != nullptr);
327 : 0 : int32_t current_range_end{desc_spkm->GetEndRange()};
328 [ # # ][ # # ]: 0 : if (current_range_end > last_range_end) {
329 : 0 : AddScriptPubKeys(desc_spkm, last_range_end);
330 : 0 : m_last_range_ends.at(desc_spkm->GetID()) = current_range_end;
331 : 0 : }
332 : : }
333 : 0 : }
334 : :
335 : 0 : std::optional<bool> MatchesBlock(const uint256& block_hash) const
336 : : {
337 : 0 : return m_wallet.chain().blockFilterMatchesAny(BlockFilterType::BASIC, block_hash, m_filter_set);
338 : : }
339 : :
340 : : private:
341 : : const CWallet& m_wallet;
342 : : /** Map for keeping track of each range descriptor's last seen end range.
343 : : * This information is used to detect whether new addresses were derived
344 : : * (that is, if the current end range is larger than the saved end range)
345 : : * after processing a block and hence a filter set update is needed to
346 : : * take possible keypool top-ups into account.
347 : : */
348 : : std::map<uint256, int32_t> m_last_range_ends;
349 : : GCSFilter::ElementSet m_filter_set;
350 : :
351 : 0 : void AddScriptPubKeys(const DescriptorScriptPubKeyMan* desc_spkm, int32_t last_range_end = 0)
352 : : {
353 [ # # ]: 0 : for (const auto& script_pub_key : desc_spkm->GetScriptPubKeys(last_range_end)) {
354 [ # # ][ # # ]: 0 : m_filter_set.emplace(script_pub_key.begin(), script_pub_key.end());
[ # # ]
355 : : }
356 : 0 : }
357 : : };
358 : : } // namespace
359 : :
360 : 0 : std::shared_ptr<CWallet> LoadWallet(WalletContext& context, const std::string& name, std::optional<bool> load_on_start, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
361 : : {
362 [ # # ]: 0 : auto result = WITH_LOCK(g_loading_wallet_mutex, return g_loading_wallet_set.insert(name));
363 [ # # ]: 0 : if (!result.second) {
364 [ # # ][ # # ]: 0 : error = Untranslated("Wallet already loading.");
365 : 0 : status = DatabaseStatus::FAILED_LOAD;
366 : 0 : return nullptr;
367 : : }
368 : 0 : auto wallet = LoadWalletInternal(context, name, load_on_start, options, status, error, warnings);
369 [ # # ][ # # ]: 0 : WITH_LOCK(g_loading_wallet_mutex, g_loading_wallet_set.erase(result.first));
[ # # ]
370 : 0 : return wallet;
371 [ # # ]: 0 : }
372 : :
373 : 0 : std::shared_ptr<CWallet> CreateWallet(WalletContext& context, const std::string& name, std::optional<bool> load_on_start, DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
374 : : {
375 : 0 : uint64_t wallet_creation_flags = options.create_flags;
376 : 0 : const SecureString& passphrase = options.create_passphrase;
377 : :
378 [ # # ]: 0 : if (wallet_creation_flags & WALLET_FLAG_DESCRIPTORS) options.require_format = DatabaseFormat::SQLITE;
379 : :
380 : : // Indicate that the wallet is actually supposed to be blank and not just blank to make it encrypted
381 : 0 : bool create_blank = (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET);
382 : :
383 : : // Born encrypted wallets need to be created blank first.
384 [ # # ]: 0 : if (!passphrase.empty()) {
385 : 0 : wallet_creation_flags |= WALLET_FLAG_BLANK_WALLET;
386 : 0 : }
387 : :
388 : : // Private keys must be disabled for an external signer wallet
389 [ # # ][ # # ]: 0 : if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
390 [ # # ][ # # ]: 0 : error = Untranslated("Private keys must be disabled when using an external signer");
391 : 0 : status = DatabaseStatus::FAILED_CREATE;
392 : 0 : return nullptr;
393 : : }
394 : :
395 : : // Descriptor support must be enabled for an external signer wallet
396 [ # # ][ # # ]: 0 : if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS)) {
397 [ # # ][ # # ]: 0 : error = Untranslated("Descriptor support must be enabled when using an external signer");
398 : 0 : status = DatabaseStatus::FAILED_CREATE;
399 : 0 : return nullptr;
400 : : }
401 : :
402 : : // Do not allow a passphrase when private keys are disabled
403 [ # # ][ # # ]: 0 : if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
404 [ # # ][ # # ]: 0 : error = Untranslated("Passphrase provided but private keys are disabled. A passphrase is only used to encrypt private keys, so cannot be used for wallets with private keys disabled.");
405 : 0 : status = DatabaseStatus::FAILED_CREATE;
406 : 0 : return nullptr;
407 : : }
408 : :
409 : : // Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
410 : 0 : std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
411 [ # # ]: 0 : if (!database) {
412 [ # # ][ # # ]: 0 : error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
[ # # ][ # # ]
[ # # ][ # # ]
413 : 0 : status = DatabaseStatus::FAILED_VERIFY;
414 : 0 : return nullptr;
415 : : }
416 : :
417 : : // Make the wallet
418 [ # # ][ # # ]: 0 : context.chain->initMessage(_("Loading wallet…").translated);
419 [ # # ]: 0 : std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), wallet_creation_flags, error, warnings);
420 [ # # ]: 0 : if (!wallet) {
421 [ # # ][ # # ]: 0 : error = Untranslated("Wallet creation failed.") + Untranslated(" ") + error;
[ # # ][ # # ]
[ # # ][ # # ]
422 : 0 : status = DatabaseStatus::FAILED_CREATE;
423 : 0 : return nullptr;
424 : : }
425 : :
426 : : // Encrypt the wallet
427 [ # # ][ # # ]: 0 : if (!passphrase.empty() && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
428 [ # # ][ # # ]: 0 : if (!wallet->EncryptWallet(passphrase)) {
429 [ # # ][ # # ]: 0 : error = Untranslated("Error: Wallet created but failed to encrypt.");
430 : 0 : status = DatabaseStatus::FAILED_ENCRYPT;
431 : 0 : return nullptr;
432 : : }
433 [ # # ]: 0 : if (!create_blank) {
434 : : // Unlock the wallet
435 [ # # ][ # # ]: 0 : if (!wallet->Unlock(passphrase)) {
436 [ # # ][ # # ]: 0 : error = Untranslated("Error: Wallet was encrypted but could not be unlocked");
437 : 0 : status = DatabaseStatus::FAILED_ENCRYPT;
438 : 0 : return nullptr;
439 : : }
440 : :
441 : : // Set a seed for the wallet
442 : : {
443 [ # # ][ # # ]: 0 : LOCK(wallet->cs_wallet);
444 [ # # ][ # # ]: 0 : if (wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
445 [ # # ]: 0 : wallet->SetupDescriptorScriptPubKeyMans();
446 : 0 : } else {
447 [ # # ][ # # ]: 0 : for (auto spk_man : wallet->GetActiveScriptPubKeyMans()) {
[ # # ]
448 [ # # ][ # # ]: 0 : if (!spk_man->SetupGeneration()) {
449 [ # # ][ # # ]: 0 : error = Untranslated("Unable to generate initial keys");
450 : 0 : status = DatabaseStatus::FAILED_CREATE;
451 : 0 : return nullptr;
452 : : }
453 : : }
454 : : }
455 [ # # ]: 0 : }
456 : :
457 : : // Relock the wallet
458 [ # # ]: 0 : wallet->Lock();
459 : 0 : }
460 : 0 : }
461 : :
462 [ # # ]: 0 : NotifyWalletLoaded(context, wallet);
463 [ # # ]: 0 : AddWallet(context, wallet);
464 [ # # ]: 0 : wallet->postInitProcess();
465 : :
466 : : // Write the wallet settings
467 [ # # ]: 0 : UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
468 : :
469 : : // Legacy wallets are being deprecated, warn if a newly created wallet is legacy
470 [ # # ]: 0 : if (!(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS)) {
471 [ # # ][ # # ]: 0 : warnings.push_back(_("Wallet created successfully. The legacy wallet type is being deprecated and support for creating and opening legacy wallets will be removed in the future."));
472 : 0 : }
473 : :
474 : 0 : status = DatabaseStatus::SUCCESS;
475 : 0 : return wallet;
476 : 0 : }
477 : :
478 : 0 : std::shared_ptr<CWallet> RestoreWallet(WalletContext& context, const fs::path& backup_file, const std::string& wallet_name, std::optional<bool> load_on_start, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
479 : : {
480 : 0 : DatabaseOptions options;
481 [ # # ]: 0 : ReadDatabaseArgs(*context.args, options);
482 : 0 : options.require_existing = true;
483 : :
484 [ # # ][ # # ]: 0 : const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::u8path(wallet_name));
[ # # ]
485 [ # # ][ # # ]: 0 : auto wallet_file = wallet_path / "wallet.dat";
486 : 0 : std::shared_ptr<CWallet> wallet;
487 : :
488 : : try {
489 [ # # ][ # # ]: 0 : if (!fs::exists(backup_file)) {
490 [ # # ][ # # ]: 0 : error = Untranslated("Backup file does not exist");
491 : 0 : status = DatabaseStatus::FAILED_INVALID_BACKUP_FILE;
492 : 0 : return nullptr;
493 : : }
494 : :
495 [ # # ][ # # ]: 0 : if (fs::exists(wallet_path) || !TryCreateDirectories(wallet_path)) {
[ # # ][ # # ]
496 [ # # ][ # # ]: 0 : error = Untranslated(strprintf("Failed to create database path '%s'. Database already exists.", fs::PathToString(wallet_path)));
[ # # ]
497 : 0 : status = DatabaseStatus::FAILED_ALREADY_EXISTS;
498 : 0 : return nullptr;
499 : : }
500 : :
501 [ # # ]: 0 : fs::copy_file(backup_file, wallet_file, fs::copy_options::none);
502 : :
503 [ # # ]: 0 : wallet = LoadWallet(context, wallet_name, load_on_start, options, status, error, warnings);
504 [ # # ]: 0 : } catch (const std::exception& e) {
505 [ # # ]: 0 : assert(!wallet);
506 [ # # ][ # # ]: 0 : if (!error.empty()) error += Untranslated("\n");
[ # # ][ # # ]
[ # # ]
507 [ # # ][ # # ]: 0 : error += strprintf(Untranslated("Unexpected exception: %s"), e.what());
[ # # ][ # # ]
508 [ # # ][ # # ]: 0 : }
509 [ # # ]: 0 : if (!wallet) {
510 [ # # ]: 0 : fs::remove_all(wallet_path);
511 : 0 : }
512 : :
513 : 0 : return wallet;
514 : 0 : }
515 : :
516 : : /** @defgroup mapWallet
517 : : *
518 : : * @{
519 : : */
520 : :
521 : 0 : const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
522 : : {
523 : 0 : AssertLockHeld(cs_wallet);
524 : 0 : const auto it = mapWallet.find(hash);
525 [ # # ]: 0 : if (it == mapWallet.end())
526 : 0 : return nullptr;
527 : 0 : return &(it->second);
528 : 0 : }
529 : :
530 : 0 : void CWallet::UpgradeKeyMetadata()
531 : : {
532 [ # # ][ # # ]: 0 : if (IsLocked() || IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
533 : 0 : return;
534 : : }
535 : :
536 : 0 : auto spk_man = GetLegacyScriptPubKeyMan();
537 [ # # ]: 0 : if (!spk_man) {
538 : 0 : return;
539 : : }
540 : :
541 : 0 : spk_man->UpgradeKeyMetadata();
542 : 0 : SetWalletFlag(WALLET_FLAG_KEY_ORIGIN_METADATA);
543 : 0 : }
544 : :
545 : 0 : void CWallet::UpgradeDescriptorCache()
546 : : {
547 [ # # ][ # # ]: 0 : if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) || IsLocked() || IsWalletFlagSet(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED)) {
[ # # ]
548 : 0 : return;
549 : : }
550 : :
551 [ # # ]: 0 : for (ScriptPubKeyMan* spkm : GetAllScriptPubKeyMans()) {
552 [ # # ]: 0 : DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
553 [ # # ]: 0 : desc_spkm->UpgradeDescriptorCache();
554 : : }
555 : 0 : SetWalletFlag(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
556 : 0 : }
557 : :
558 : 0 : bool CWallet::Unlock(const SecureString& strWalletPassphrase, bool accept_no_keys)
559 : : {
560 : 0 : CCrypter crypter;
561 : 0 : CKeyingMaterial _vMasterKey;
562 : :
563 : : {
564 [ # # ][ # # ]: 0 : LOCK(cs_wallet);
565 [ # # ]: 0 : for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
566 : : {
567 [ # # ][ # # ]: 0 : if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
568 : 0 : return false;
569 [ # # ][ # # ]: 0 : if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
570 : 0 : continue; // try another master key
571 [ # # ][ # # ]: 0 : if (Unlock(_vMasterKey, accept_no_keys)) {
572 : : // Now that we've unlocked, upgrade the key metadata
573 [ # # ]: 0 : UpgradeKeyMetadata();
574 : : // Now that we've unlocked, upgrade the descriptor cache
575 [ # # ]: 0 : UpgradeDescriptorCache();
576 : 0 : return true;
577 : : }
578 : : }
579 [ # # ]: 0 : }
580 : 0 : return false;
581 : 0 : }
582 : :
583 : 0 : bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
584 : : {
585 : 0 : bool fWasLocked = IsLocked();
586 : :
587 : : {
588 [ # # ][ # # ]: 0 : LOCK2(m_relock_mutex, cs_wallet);
589 [ # # ]: 0 : Lock();
590 : :
591 [ # # ]: 0 : CCrypter crypter;
592 : 0 : CKeyingMaterial _vMasterKey;
593 [ # # ]: 0 : for (MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
594 : : {
595 [ # # ][ # # ]: 0 : if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
596 : 0 : return false;
597 [ # # ][ # # ]: 0 : if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
598 : 0 : return false;
599 [ # # ][ # # ]: 0 : if (Unlock(_vMasterKey))
600 : : {
601 : 0 : constexpr MillisecondsDouble target{100};
602 : 0 : auto start{SteadyClock::now()};
603 [ # # ]: 0 : crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
604 [ # # ][ # # ]: 0 : pMasterKey.second.nDeriveIterations = static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * target / (SteadyClock::now() - start));
[ # # ]
605 : :
606 : 0 : start = SteadyClock::now();
607 [ # # ]: 0 : crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
608 [ # # ][ # # ]: 0 : pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + static_cast<unsigned int>(pMasterKey.second.nDeriveIterations * target / (SteadyClock::now() - start))) / 2;
[ # # ]
609 : :
610 [ # # ]: 0 : if (pMasterKey.second.nDeriveIterations < 25000)
611 : 0 : pMasterKey.second.nDeriveIterations = 25000;
612 : :
613 [ # # ]: 0 : WalletLogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
614 : :
615 [ # # ][ # # ]: 0 : if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
616 : 0 : return false;
617 [ # # ][ # # ]: 0 : if (!crypter.Encrypt(_vMasterKey, pMasterKey.second.vchCryptedKey))
618 : 0 : return false;
619 [ # # ][ # # ]: 0 : WalletBatch(GetDatabase()).WriteMasterKey(pMasterKey.first, pMasterKey.second);
[ # # ]
620 [ # # ]: 0 : if (fWasLocked)
621 [ # # ]: 0 : Lock();
622 : 0 : return true;
623 : : }
624 : : }
625 [ # # # ]: 0 : }
626 : :
627 : 0 : return false;
628 : 0 : }
629 : :
630 : 0 : void CWallet::chainStateFlushed(ChainstateRole role, const CBlockLocator& loc)
631 : : {
632 : : // Don't update the best block until the chain is attached so that in case of a shutdown,
633 : : // the rescan will be restarted at next startup.
634 [ # # ][ # # ]: 0 : if (m_attaching_chain || role == ChainstateRole::BACKGROUND) {
635 : 0 : return;
636 : : }
637 : 0 : WalletBatch batch(GetDatabase());
638 [ # # ]: 0 : batch.WriteBestBlock(loc);
639 : 0 : }
640 : :
641 : 0 : void CWallet::SetMinVersion(enum WalletFeature nVersion, WalletBatch* batch_in)
642 : : {
643 : 0 : LOCK(cs_wallet);
644 [ # # ]: 0 : if (nWalletVersion >= nVersion)
645 : 0 : return;
646 [ # # ]: 0 : WalletLogPrintf("Setting minversion to %d\n", nVersion);
647 : 0 : nWalletVersion = nVersion;
648 : :
649 : : {
650 [ # # ][ # # ]: 0 : WalletBatch* batch = batch_in ? batch_in : new WalletBatch(GetDatabase());
[ # # ][ # # ]
[ # # ]
651 [ # # ]: 0 : if (nWalletVersion > 40000)
652 [ # # ]: 0 : batch->WriteMinVersion(nWalletVersion);
653 [ # # ]: 0 : if (!batch_in)
654 [ # # ]: 0 : delete batch;
655 : : }
656 [ # # ]: 0 : }
657 : :
658 : 0 : std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
659 : : {
660 : 0 : std::set<uint256> result;
661 [ # # ]: 0 : AssertLockHeld(cs_wallet);
662 : :
663 [ # # ]: 0 : const auto it = mapWallet.find(txid);
664 [ # # ]: 0 : if (it == mapWallet.end())
665 : 0 : return result;
666 : 0 : const CWalletTx& wtx = it->second;
667 : :
668 [ # # ]: 0 : std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
669 : :
670 [ # # ]: 0 : for (const CTxIn& txin : wtx.tx->vin)
671 : : {
672 [ # # ][ # # ]: 0 : if (mapTxSpends.count(txin.prevout) <= 1)
673 : 0 : continue; // No conflict if zero or one spends
674 [ # # ]: 0 : range = mapTxSpends.equal_range(txin.prevout);
675 [ # # ]: 0 : for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it)
676 [ # # ]: 0 : result.insert(_it->second);
677 : : }
678 : 0 : return result;
679 [ # # ]: 0 : }
680 : :
681 : 0 : bool CWallet::HasWalletSpend(const CTransactionRef& tx) const
682 : : {
683 : 0 : AssertLockHeld(cs_wallet);
684 : 0 : const uint256& txid = tx->GetHash();
685 [ # # ]: 0 : for (unsigned int i = 0; i < tx->vout.size(); ++i) {
686 [ # # ]: 0 : if (IsSpent(COutPoint(txid, i))) {
687 : 0 : return true;
688 : : }
689 : 0 : }
690 : 0 : return false;
691 : 0 : }
692 : :
693 : 0 : void CWallet::Flush()
694 : : {
695 : 0 : GetDatabase().Flush();
696 : 0 : }
697 : :
698 : 0 : void CWallet::Close()
699 : : {
700 : 0 : GetDatabase().Close();
701 : 0 : }
702 : :
703 : 0 : void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range)
704 : : {
705 : : // We want all the wallet transactions in range to have the same metadata as
706 : : // the oldest (smallest nOrderPos).
707 : : // So: find smallest nOrderPos:
708 : :
709 : 0 : int nMinOrderPos = std::numeric_limits<int>::max();
710 : 0 : const CWalletTx* copyFrom = nullptr;
711 [ # # ]: 0 : for (TxSpends::iterator it = range.first; it != range.second; ++it) {
712 : 0 : const CWalletTx* wtx = &mapWallet.at(it->second);
713 [ # # ]: 0 : if (wtx->nOrderPos < nMinOrderPos) {
714 : 0 : nMinOrderPos = wtx->nOrderPos;
715 : 0 : copyFrom = wtx;
716 : 0 : }
717 : 0 : }
718 : :
719 [ # # ]: 0 : if (!copyFrom) {
720 : 0 : return;
721 : : }
722 : :
723 : : // Now copy data from copyFrom to rest:
724 [ # # ]: 0 : for (TxSpends::iterator it = range.first; it != range.second; ++it)
725 : : {
726 : 0 : const uint256& hash = it->second;
727 : 0 : CWalletTx* copyTo = &mapWallet.at(hash);
728 [ # # ]: 0 : if (copyFrom == copyTo) continue;
729 [ # # ][ # # ]: 0 : assert(copyFrom && "Oldest wallet transaction in range assumed to have been found.");
730 [ # # ]: 0 : if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
731 : 0 : copyTo->mapValue = copyFrom->mapValue;
732 : 0 : copyTo->vOrderForm = copyFrom->vOrderForm;
733 : : // fTimeReceivedIsTxTime not copied on purpose
734 : : // nTimeReceived not copied on purpose
735 : 0 : copyTo->nTimeSmart = copyFrom->nTimeSmart;
736 : 0 : copyTo->fFromMe = copyFrom->fFromMe;
737 : : // nOrderPos not copied on purpose
738 : : // cached members not copied on purpose
739 : 0 : }
740 : 0 : }
741 : :
742 : : /**
743 : : * Outpoint is spent if any non-conflicted transaction
744 : : * spends it:
745 : : */
746 : 0 : bool CWallet::IsSpent(const COutPoint& outpoint) const
747 : : {
748 : 0 : std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
749 : 0 : range = mapTxSpends.equal_range(outpoint);
750 : :
751 [ # # ]: 0 : for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
752 : 0 : const uint256& wtxid = it->second;
753 : 0 : const auto mit = mapWallet.find(wtxid);
754 [ # # ]: 0 : if (mit != mapWallet.end()) {
755 : 0 : int depth = GetTxDepthInMainChain(mit->second);
756 [ # # ][ # # ]: 0 : if (depth > 0 || (depth == 0 && !mit->second.isAbandoned()))
[ # # ]
757 : 0 : return true; // Spent
758 : 0 : }
759 : 0 : }
760 : 0 : return false;
761 : 0 : }
762 : :
763 : 0 : void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid, WalletBatch* batch)
764 : : {
765 : 0 : mapTxSpends.insert(std::make_pair(outpoint, wtxid));
766 : :
767 [ # # ]: 0 : if (batch) {
768 : 0 : UnlockCoin(outpoint, batch);
769 : 0 : } else {
770 : 0 : WalletBatch temp_batch(GetDatabase());
771 [ # # ]: 0 : UnlockCoin(outpoint, &temp_batch);
772 : 0 : }
773 : :
774 : 0 : std::pair<TxSpends::iterator, TxSpends::iterator> range;
775 : 0 : range = mapTxSpends.equal_range(outpoint);
776 : 0 : SyncMetaData(range);
777 : 0 : }
778 : :
779 : :
780 : 0 : void CWallet::AddToSpends(const CWalletTx& wtx, WalletBatch* batch)
781 : : {
782 [ # # ]: 0 : if (wtx.IsCoinBase()) // Coinbases don't spend anything!
783 : 0 : return;
784 : :
785 [ # # ]: 0 : for (const CTxIn& txin : wtx.tx->vin)
786 : 0 : AddToSpends(txin.prevout, wtx.GetHash(), batch);
787 : 0 : }
788 : :
789 : 0 : bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
790 : : {
791 [ # # ]: 0 : if (IsCrypted())
792 : 0 : return false;
793 : :
794 : 0 : CKeyingMaterial _vMasterKey;
795 : :
796 [ # # ]: 0 : _vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
797 [ # # ]: 0 : GetStrongRandBytes(_vMasterKey);
798 : :
799 [ # # ]: 0 : CMasterKey kMasterKey;
800 : :
801 [ # # ]: 0 : kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
802 [ # # ]: 0 : GetStrongRandBytes(kMasterKey.vchSalt);
803 : :
804 [ # # ]: 0 : CCrypter crypter;
805 : 0 : constexpr MillisecondsDouble target{100};
806 : 0 : auto start{SteadyClock::now()};
807 [ # # ]: 0 : crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
808 [ # # ][ # # ]: 0 : kMasterKey.nDeriveIterations = static_cast<unsigned int>(25000 * target / (SteadyClock::now() - start));
[ # # ]
809 : :
810 : 0 : start = SteadyClock::now();
811 [ # # ]: 0 : crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
812 [ # # ][ # # ]: 0 : kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + static_cast<unsigned int>(kMasterKey.nDeriveIterations * target / (SteadyClock::now() - start))) / 2;
[ # # ]
813 : :
814 [ # # ]: 0 : if (kMasterKey.nDeriveIterations < 25000)
815 : 0 : kMasterKey.nDeriveIterations = 25000;
816 : :
817 [ # # ]: 0 : WalletLogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
818 : :
819 [ # # ][ # # ]: 0 : if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
820 : 0 : return false;
821 [ # # ][ # # ]: 0 : if (!crypter.Encrypt(_vMasterKey, kMasterKey.vchCryptedKey))
822 : 0 : return false;
823 : :
824 : : {
825 [ # # ][ # # ]: 0 : LOCK2(m_relock_mutex, cs_wallet);
[ # # ][ # # ]
826 [ # # ][ # # ]: 0 : mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
827 [ # # ][ # # ]: 0 : WalletBatch* encrypted_batch = new WalletBatch(GetDatabase());
[ # # ]
828 [ # # ][ # # ]: 0 : if (!encrypted_batch->TxnBegin()) {
829 [ # # ]: 0 : delete encrypted_batch;
830 : 0 : encrypted_batch = nullptr;
831 : 0 : return false;
832 : : }
833 [ # # ]: 0 : encrypted_batch->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
834 : :
835 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
836 : 0 : auto spk_man = spk_man_pair.second.get();
837 [ # # ][ # # ]: 0 : if (!spk_man->Encrypt(_vMasterKey, encrypted_batch)) {
838 [ # # ]: 0 : encrypted_batch->TxnAbort();
839 [ # # ]: 0 : delete encrypted_batch;
840 : 0 : encrypted_batch = nullptr;
841 : : // We now probably have half of our keys encrypted in memory, and half not...
842 : : // die and let the user reload the unencrypted wallet.
843 : 0 : assert(false);
844 : : }
845 : : }
846 : :
847 : : // Encryption was introduced in version 0.4.0
848 [ # # ]: 0 : SetMinVersion(FEATURE_WALLETCRYPT, encrypted_batch);
849 : :
850 [ # # ][ # # ]: 0 : if (!encrypted_batch->TxnCommit()) {
851 [ # # ]: 0 : delete encrypted_batch;
852 : 0 : encrypted_batch = nullptr;
853 : : // We now have keys encrypted in memory, but not on disk...
854 : : // die to avoid confusion and let the user reload the unencrypted wallet.
855 : 0 : assert(false);
856 : : }
857 : :
858 [ # # ]: 0 : delete encrypted_batch;
859 : 0 : encrypted_batch = nullptr;
860 : :
861 [ # # ]: 0 : Lock();
862 [ # # ]: 0 : Unlock(strWalletPassphrase);
863 : :
864 : : // If we are using descriptors, make new descriptors with a new seed
865 [ # # ][ # # ]: 0 : if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) && !IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)) {
[ # # ][ # # ]
866 [ # # ]: 0 : SetupDescriptorScriptPubKeyMans();
867 [ # # ][ # # ]: 0 : } else if (auto spk_man = GetLegacyScriptPubKeyMan()) {
868 : : // if we are using HD, replace the HD seed with a new one
869 [ # # ][ # # ]: 0 : if (spk_man->IsHDEnabled()) {
870 [ # # ][ # # ]: 0 : if (!spk_man->SetupGeneration(true)) {
871 : 0 : return false;
872 : : }
873 : 0 : }
874 : 0 : }
875 [ # # ]: 0 : Lock();
876 : :
877 : : // Need to completely rewrite the wallet file; if we don't, bdb might keep
878 : : // bits of the unencrypted private key in slack space in the database file.
879 [ # # ][ # # ]: 0 : GetDatabase().Rewrite();
880 : :
881 : : // BDB seems to have a bad habit of writing old data into
882 : : // slack space in .dat files; that is bad if the old data is
883 : : // unencrypted private keys. So:
884 [ # # ][ # # ]: 0 : GetDatabase().ReloadDbEnv();
885 : :
886 [ # # ]: 0 : }
887 [ # # ]: 0 : NotifyStatusChanged(this);
888 : :
889 : 0 : return true;
890 : 0 : }
891 : :
892 : 0 : DBErrors CWallet::ReorderTransactions()
893 : : {
894 : 0 : LOCK(cs_wallet);
895 [ # # ][ # # ]: 0 : WalletBatch batch(GetDatabase());
896 : :
897 : : // Old wallets didn't have any defined order for transactions
898 : : // Probably a bad idea to change the output of this
899 : :
900 : : // First: get all CWalletTx into a sorted-by-time multimap.
901 : : typedef std::multimap<int64_t, CWalletTx*> TxItems;
902 : 0 : TxItems txByTime;
903 : :
904 [ # # ]: 0 : for (auto& entry : mapWallet)
905 : : {
906 : 0 : CWalletTx* wtx = &entry.second;
907 [ # # ][ # # ]: 0 : txByTime.insert(std::make_pair(wtx->nTimeReceived, wtx));
908 : : }
909 : :
910 : 0 : nOrderPosNext = 0;
911 : 0 : std::vector<int64_t> nOrderPosOffsets;
912 [ # # ]: 0 : for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
913 : : {
914 : 0 : CWalletTx *const pwtx = (*it).second;
915 : 0 : int64_t& nOrderPos = pwtx->nOrderPos;
916 : :
917 [ # # ]: 0 : if (nOrderPos == -1)
918 : : {
919 : 0 : nOrderPos = nOrderPosNext++;
920 [ # # ]: 0 : nOrderPosOffsets.push_back(nOrderPos);
921 : :
922 [ # # ][ # # ]: 0 : if (!batch.WriteTx(*pwtx))
923 : 0 : return DBErrors::LOAD_FAIL;
924 : 0 : }
925 : : else
926 : : {
927 : 0 : int64_t nOrderPosOff = 0;
928 [ # # ]: 0 : for (const int64_t& nOffsetStart : nOrderPosOffsets)
929 : : {
930 [ # # ]: 0 : if (nOrderPos >= nOffsetStart)
931 : 0 : ++nOrderPosOff;
932 : : }
933 : 0 : nOrderPos += nOrderPosOff;
934 [ # # ]: 0 : nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
935 : :
936 [ # # ]: 0 : if (!nOrderPosOff)
937 : 0 : continue;
938 : :
939 : : // Since we're changing the order, write it back
940 [ # # ][ # # ]: 0 : if (!batch.WriteTx(*pwtx))
941 : 0 : return DBErrors::LOAD_FAIL;
942 : : }
943 : 0 : }
944 [ # # ]: 0 : batch.WriteOrderPosNext(nOrderPosNext);
945 : :
946 : 0 : return DBErrors::LOAD_OK;
947 : 0 : }
948 : :
949 : 0 : int64_t CWallet::IncOrderPosNext(WalletBatch* batch)
950 : : {
951 : 0 : AssertLockHeld(cs_wallet);
952 : 0 : int64_t nRet = nOrderPosNext++;
953 [ # # ]: 0 : if (batch) {
954 : 0 : batch->WriteOrderPosNext(nOrderPosNext);
955 : 0 : } else {
956 [ # # ]: 0 : WalletBatch(GetDatabase()).WriteOrderPosNext(nOrderPosNext);
957 : : }
958 : 0 : return nRet;
959 : 0 : }
960 : :
961 : 0 : void CWallet::MarkDirty()
962 : : {
963 : : {
964 : 0 : LOCK(cs_wallet);
965 [ # # ]: 0 : for (std::pair<const uint256, CWalletTx>& item : mapWallet)
966 [ # # ]: 0 : item.second.MarkDirty();
967 : 0 : }
968 : 0 : }
969 : :
970 : 0 : bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
971 : : {
972 : 0 : LOCK(cs_wallet);
973 : :
974 [ # # ]: 0 : auto mi = mapWallet.find(originalHash);
975 : :
976 : : // There is a bug if MarkReplaced is not called on an existing wallet transaction.
977 [ # # ]: 0 : assert(mi != mapWallet.end());
978 : :
979 : 0 : CWalletTx& wtx = (*mi).second;
980 : :
981 : : // Ensure for now that we're not overwriting data
982 [ # # ][ # # ]: 0 : assert(wtx.mapValue.count("replaced_by_txid") == 0);
[ # # ]
983 : :
984 [ # # ][ # # ]: 0 : wtx.mapValue["replaced_by_txid"] = newHash.ToString();
[ # # ]
985 : :
986 : : // Refresh mempool status without waiting for transactionRemovedFromMempool or transactionAddedToMempool
987 [ # # ][ # # ]: 0 : RefreshMempoolStatus(wtx, chain());
988 : :
989 [ # # ][ # # ]: 0 : WalletBatch batch(GetDatabase());
990 : :
991 : 0 : bool success = true;
992 [ # # ][ # # ]: 0 : if (!batch.WriteTx(wtx)) {
993 [ # # ][ # # ]: 0 : WalletLogPrintf("%s: Updating batch tx %s failed\n", __func__, wtx.GetHash().ToString());
[ # # ]
994 : 0 : success = false;
995 : 0 : }
996 : :
997 [ # # ]: 0 : NotifyTransactionChanged(originalHash, CT_UPDATED);
998 : :
999 : 0 : return success;
1000 : 0 : }
1001 : :
1002 : 0 : void CWallet::SetSpentKeyState(WalletBatch& batch, const uint256& hash, unsigned int n, bool used, std::set<CTxDestination>& tx_destinations)
1003 : : {
1004 : 0 : AssertLockHeld(cs_wallet);
1005 : 0 : const CWalletTx* srctx = GetWalletTx(hash);
1006 [ # # ]: 0 : if (!srctx) return;
1007 : :
1008 : 0 : CTxDestination dst;
1009 [ # # ][ # # ]: 0 : if (ExtractDestination(srctx->tx->vout[n].scriptPubKey, dst)) {
1010 [ # # ][ # # ]: 0 : if (IsMine(dst)) {
1011 [ # # ][ # # ]: 0 : if (used != IsAddressPreviouslySpent(dst)) {
1012 [ # # ]: 0 : if (used) {
1013 [ # # ]: 0 : tx_destinations.insert(dst);
1014 : 0 : }
1015 [ # # ]: 0 : SetAddressPreviouslySpent(batch, dst, used);
1016 : 0 : }
1017 : 0 : }
1018 : 0 : }
1019 : 0 : }
1020 : :
1021 : 0 : bool CWallet::IsSpentKey(const CScript& scriptPubKey) const
1022 : : {
1023 : 0 : AssertLockHeld(cs_wallet);
1024 : 0 : CTxDestination dest;
1025 [ # # ][ # # ]: 0 : if (!ExtractDestination(scriptPubKey, dest)) {
1026 : 0 : return false;
1027 : : }
1028 [ # # ][ # # ]: 0 : if (IsAddressPreviouslySpent(dest)) {
1029 : 0 : return true;
1030 : : }
1031 [ # # ][ # # ]: 0 : if (IsLegacy()) {
1032 [ # # ]: 0 : LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
1033 [ # # ]: 0 : assert(spk_man != nullptr);
1034 [ # # ][ # # ]: 0 : for (const auto& keyid : GetAffectedKeys(scriptPubKey, *spk_man)) {
[ # # ]
1035 [ # # ]: 0 : WitnessV0KeyHash wpkh_dest(keyid);
1036 [ # # ][ # # ]: 0 : if (IsAddressPreviouslySpent(wpkh_dest)) {
1037 : 0 : return true;
1038 : : }
1039 [ # # ][ # # ]: 0 : ScriptHash sh_wpkh_dest(GetScriptForDestination(wpkh_dest));
1040 [ # # ][ # # ]: 0 : if (IsAddressPreviouslySpent(sh_wpkh_dest)) {
1041 : 0 : return true;
1042 : : }
1043 [ # # ]: 0 : PKHash pkh_dest(keyid);
1044 [ # # ][ # # ]: 0 : if (IsAddressPreviouslySpent(pkh_dest)) {
1045 : 0 : return true;
1046 : : }
1047 : : }
1048 : 0 : }
1049 : 0 : return false;
1050 : 0 : }
1051 : :
1052 : 0 : CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const UpdateWalletTxFn& update_wtx, bool fFlushOnClose, bool rescanning_old_block)
1053 : : {
1054 : 0 : LOCK(cs_wallet);
1055 : :
1056 [ # # ][ # # ]: 0 : WalletBatch batch(GetDatabase(), fFlushOnClose);
1057 : :
1058 [ # # ]: 0 : uint256 hash = tx->GetHash();
1059 : :
1060 [ # # ][ # # ]: 0 : if (IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
1061 : : // Mark used destinations
1062 : 0 : std::set<CTxDestination> tx_destinations;
1063 : :
1064 [ # # ]: 0 : for (const CTxIn& txin : tx->vin) {
1065 : 0 : const COutPoint& op = txin.prevout;
1066 [ # # ]: 0 : SetSpentKeyState(batch, op.hash, op.n, true, tx_destinations);
1067 : : }
1068 : :
1069 [ # # ]: 0 : MarkDestinationsDirty(tx_destinations);
1070 : 0 : }
1071 : :
1072 : : // Inserts only if not already there, returns tx inserted or tx found
1073 [ # # ]: 0 : auto ret = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(tx, state));
1074 : 0 : CWalletTx& wtx = (*ret.first).second;
1075 : 0 : bool fInsertedNew = ret.second;
1076 [ # # ][ # # ]: 0 : bool fUpdated = update_wtx && update_wtx(wtx, fInsertedNew);
1077 [ # # ]: 0 : if (fInsertedNew) {
1078 [ # # ]: 0 : wtx.nTimeReceived = GetTime();
1079 [ # # ]: 0 : wtx.nOrderPos = IncOrderPosNext(&batch);
1080 [ # # ][ # # ]: 0 : wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
1081 [ # # ]: 0 : wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
1082 [ # # ]: 0 : AddToSpends(wtx, &batch);
1083 : 0 : }
1084 : :
1085 [ # # ]: 0 : if (!fInsertedNew)
1086 : : {
1087 [ # # ]: 0 : if (state.index() != wtx.m_state.index()) {
1088 : 0 : wtx.m_state = state;
1089 : 0 : fUpdated = true;
1090 : 0 : } else {
1091 [ # # ][ # # ]: 0 : assert(TxStateSerializedIndex(wtx.m_state) == TxStateSerializedIndex(state));
[ # # ]
1092 [ # # ][ # # ]: 0 : assert(TxStateSerializedBlockHash(wtx.m_state) == TxStateSerializedBlockHash(state));
[ # # ][ # # ]
1093 : : }
1094 : : // If we have a witness-stripped version of this transaction, and we
1095 : : // see a new version with a witness, then we must be upgrading a pre-segwit
1096 : : // wallet. Store the new version of the transaction with the witness,
1097 : : // as the stripped-version must be invalid.
1098 : : // TODO: Store all versions of the transaction, instead of just one.
1099 [ # # ][ # # ]: 0 : if (tx->HasWitness() && !wtx.tx->HasWitness()) {
[ # # ][ # # ]
1100 [ # # ]: 0 : wtx.SetTx(tx);
1101 : 0 : fUpdated = true;
1102 : 0 : }
1103 : 0 : }
1104 : :
1105 : : // Mark inactive coinbase transactions and their descendants as abandoned
1106 [ # # ][ # # ]: 0 : if (wtx.IsCoinBase() && wtx.isInactive()) {
[ # # ][ # # ]
1107 [ # # ]: 0 : std::vector<CWalletTx*> txs{&wtx};
1108 : :
1109 [ # # ]: 0 : TxStateInactive inactive_state = TxStateInactive{/*abandoned=*/true};
1110 : :
1111 [ # # ]: 0 : while (!txs.empty()) {
1112 : 0 : CWalletTx* desc_tx = txs.back();
1113 : 0 : txs.pop_back();
1114 : 0 : desc_tx->m_state = inactive_state;
1115 : : // Break caches since we have changed the state
1116 [ # # ]: 0 : desc_tx->MarkDirty();
1117 [ # # ]: 0 : batch.WriteTx(*desc_tx);
1118 [ # # ]: 0 : MarkInputsDirty(desc_tx->tx);
1119 [ # # ]: 0 : for (unsigned int i = 0; i < desc_tx->tx->vout.size(); ++i) {
1120 [ # # ][ # # ]: 0 : COutPoint outpoint(desc_tx->GetHash(), i);
1121 [ # # ][ # # ]: 0 : std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(outpoint);
1122 [ # # ]: 0 : for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
1123 [ # # ]: 0 : const auto wit = mapWallet.find(it->second);
1124 [ # # ]: 0 : if (wit != mapWallet.end()) {
1125 [ # # ]: 0 : txs.push_back(&wit->second);
1126 : 0 : }
1127 : 0 : }
1128 : 0 : }
1129 : : }
1130 : 0 : }
1131 : :
1132 : : //// debug print
1133 [ # # ][ # # ]: 0 : WalletLogPrintf("AddToWallet %s %s%s\n", hash.ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
1134 : :
1135 : : // Write to disk
1136 [ # # ]: 0 : if (fInsertedNew || fUpdated)
1137 [ # # ][ # # ]: 0 : if (!batch.WriteTx(wtx))
1138 : 0 : return nullptr;
1139 : :
1140 : : // Break debit/credit balance caches:
1141 [ # # ]: 0 : wtx.MarkDirty();
1142 : :
1143 : : // Notify UI of new or updated transaction
1144 [ # # ]: 0 : NotifyTransactionChanged(hash, fInsertedNew ? CT_NEW : CT_UPDATED);
1145 : :
1146 : : #if HAVE_SYSTEM
1147 : : // notify an external script when a wallet transaction comes in or is updated
1148 [ # # ]: 0 : std::string strCmd = m_notify_tx_changed_script;
1149 : :
1150 [ # # ]: 0 : if (!strCmd.empty())
1151 : : {
1152 [ # # ][ # # ]: 0 : ReplaceAll(strCmd, "%s", hash.GetHex());
[ # # ]
1153 [ # # ][ # # ]: 0 : if (auto* conf = wtx.state<TxStateConfirmed>())
1154 : : {
1155 [ # # ][ # # ]: 0 : ReplaceAll(strCmd, "%b", conf->confirmed_block_hash.GetHex());
[ # # ]
1156 [ # # ][ # # ]: 0 : ReplaceAll(strCmd, "%h", ToString(conf->confirmed_block_height));
[ # # ]
1157 : 0 : } else {
1158 [ # # ][ # # ]: 0 : ReplaceAll(strCmd, "%b", "unconfirmed");
[ # # ]
1159 [ # # ][ # # ]: 0 : ReplaceAll(strCmd, "%h", "-1");
[ # # ]
1160 : : }
1161 : : #ifndef WIN32
1162 : : // Substituting the wallet name isn't currently supported on windows
1163 : : // because windows shell escaping has not been implemented yet:
1164 : : // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-537384875
1165 : : // A few ways it could be implemented in the future are described in:
1166 : : // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-461288094
1167 [ # # ][ # # ]: 0 : ReplaceAll(strCmd, "%w", ShellEscape(GetName()));
[ # # ][ # # ]
1168 : : #endif
1169 [ # # ]: 0 : std::thread t(runCommand, strCmd);
1170 [ # # ]: 0 : t.detach(); // thread runs free
1171 : 0 : }
1172 : : #endif
1173 : :
1174 : 0 : return &wtx;
1175 : 0 : }
1176 : :
1177 : 0 : bool CWallet::LoadToWallet(const uint256& hash, const UpdateWalletTxFn& fill_wtx)
1178 : : {
1179 : 0 : const auto& ins = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(nullptr, TxStateInactive{}));
1180 : 0 : CWalletTx& wtx = ins.first->second;
1181 [ # # ]: 0 : if (!fill_wtx(wtx, ins.second)) {
1182 : 0 : return false;
1183 : : }
1184 : : // If wallet doesn't have a chain (e.g when using bitcoin-wallet tool),
1185 : : // don't bother to update txn.
1186 [ # # ]: 0 : if (HaveChain()) {
1187 : : bool active;
1188 : 0 : auto lookup_block = [&](const uint256& hash, int& height, TxState& state) {
1189 : : // If tx block (or conflicting block) was reorged out of chain
1190 : : // while the wallet was shutdown, change tx status to UNCONFIRMED
1191 : : // and reset block height, hash, and index. ABANDONED tx don't have
1192 : : // associated blocks and don't need to be updated. The case where a
1193 : : // transaction was reorged out while online and then reconfirmed
1194 : : // while offline is covered by the rescan logic.
1195 [ # # ][ # # ]: 0 : if (!chain().findBlock(hash, FoundBlock().inActiveChain(active).height(height)) || !active) {
1196 : 0 : state = TxStateInactive{};
1197 : 0 : }
1198 : 0 : };
1199 [ # # ]: 0 : if (auto* conf = wtx.state<TxStateConfirmed>()) {
1200 : 0 : lookup_block(conf->confirmed_block_hash, conf->confirmed_block_height, wtx.m_state);
1201 [ # # ]: 0 : } else if (auto* conf = wtx.state<TxStateConflicted>()) {
1202 : 0 : lookup_block(conf->conflicting_block_hash, conf->conflicting_block_height, wtx.m_state);
1203 : 0 : }
1204 : 0 : }
1205 [ # # ]: 0 : if (/* insertion took place */ ins.second) {
1206 : 0 : wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
1207 : 0 : }
1208 : 0 : AddToSpends(wtx);
1209 [ # # ]: 0 : for (const CTxIn& txin : wtx.tx->vin) {
1210 : 0 : auto it = mapWallet.find(txin.prevout.hash);
1211 [ # # ]: 0 : if (it != mapWallet.end()) {
1212 : 0 : CWalletTx& prevtx = it->second;
1213 [ # # ]: 0 : if (auto* prev = prevtx.state<TxStateConflicted>()) {
1214 : 0 : MarkConflicted(prev->conflicting_block_hash, prev->conflicting_block_height, wtx.GetHash());
1215 : 0 : }
1216 : 0 : }
1217 : : }
1218 : 0 : return true;
1219 : 0 : }
1220 : :
1221 : 0 : bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const SyncTxState& state, bool fUpdate, bool rescanning_old_block)
1222 : : {
1223 : 0 : const CTransaction& tx = *ptx;
1224 : : {
1225 : 0 : AssertLockHeld(cs_wallet);
1226 : :
1227 [ # # ]: 0 : if (auto* conf = std::get_if<TxStateConfirmed>(&state)) {
1228 [ # # ]: 0 : for (const CTxIn& txin : tx.vin) {
1229 : 0 : std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
1230 [ # # ]: 0 : while (range.first != range.second) {
1231 [ # # ]: 0 : if (range.first->second != tx.GetHash()) {
1232 [ # # ][ # # ]: 0 : WalletLogPrintf("Transaction %s (in block %s) conflicts with wallet transaction %s (both spend %s:%i)\n", tx.GetHash().ToString(), conf->confirmed_block_hash.ToString(), range.first->second.ToString(), range.first->first.hash.ToString(), range.first->first.n);
[ # # ][ # # ]
1233 : 0 : MarkConflicted(conf->confirmed_block_hash, conf->confirmed_block_height, range.first->second);
1234 : 0 : }
1235 : 0 : range.first++;
1236 : : }
1237 : : }
1238 : 0 : }
1239 : :
1240 : 0 : bool fExisted = mapWallet.count(tx.GetHash()) != 0;
1241 [ # # ][ # # ]: 0 : if (fExisted && !fUpdate) return false;
1242 [ # # ][ # # ]: 0 : if (fExisted || IsMine(tx) || IsFromMe(tx))
[ # # ]
1243 : : {
1244 : : /* Check if any keys in the wallet keypool that were supposed to be unused
1245 : : * have appeared in a new transaction. If so, remove those keys from the keypool.
1246 : : * This can happen when restoring an old wallet backup that does not contain
1247 : : * the mostly recently created transactions from newer versions of the wallet.
1248 : : */
1249 : :
1250 : : // loop though all outputs
1251 [ # # ]: 0 : for (const CTxOut& txout: tx.vout) {
1252 [ # # ]: 0 : for (const auto& spk_man : GetScriptPubKeyMans(txout.scriptPubKey)) {
1253 [ # # ][ # # ]: 0 : for (auto &dest : spk_man->MarkUnusedAddresses(txout.scriptPubKey)) {
1254 : : // If internal flag is not defined try to infer it from the ScriptPubKeyMan
1255 [ # # ]: 0 : if (!dest.internal.has_value()) {
1256 [ # # ]: 0 : dest.internal = IsInternalScriptPubKeyMan(spk_man);
1257 : 0 : }
1258 : :
1259 : : // skip if can't determine whether it's a receiving address or not
1260 [ # # ]: 0 : if (!dest.internal.has_value()) continue;
1261 : :
1262 : : // If this is a receiving address and it's not in the address book yet
1263 : : // (e.g. it wasn't generated on this node or we're restoring from backup)
1264 : : // add it to the address book for proper transaction accounting
1265 [ # # ][ # # ]: 0 : if (!*dest.internal && !FindAddressBookEntry(dest.dest, /* allow_change= */ false)) {
[ # # ]
1266 [ # # ][ # # ]: 0 : SetAddressBook(dest.dest, "", AddressPurpose::RECEIVE);
1267 : 0 : }
1268 : : }
1269 : : }
1270 : : }
1271 : :
1272 : : // Block disconnection override an abandoned tx as unconfirmed
1273 : : // which means user may have to call abandontransaction again
1274 : 0 : TxState tx_state = std::visit([](auto&& s) -> TxState { return s; }, state);
1275 [ # # ]: 0 : CWalletTx* wtx = AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, /*fFlushOnClose=*/false, rescanning_old_block);
1276 [ # # ]: 0 : if (!wtx) {
1277 : : // Can only be nullptr if there was a db write error (missing db, read-only db or a db engine internal writing error).
1278 : : // As we only store arriving transaction in this process, and we don't want an inconsistent state, let's throw an error.
1279 [ # # ]: 0 : throw std::runtime_error("DB error adding transaction to wallet, write failed");
1280 : : }
1281 : 0 : return true;
1282 : : }
1283 : : }
1284 : 0 : return false;
1285 : 0 : }
1286 : :
1287 : 0 : bool CWallet::TransactionCanBeAbandoned(const uint256& hashTx) const
1288 : : {
1289 : 0 : LOCK(cs_wallet);
1290 [ # # ]: 0 : const CWalletTx* wtx = GetWalletTx(hashTx);
1291 [ # # ][ # # ]: 0 : return wtx && !wtx->isAbandoned() && GetTxDepthInMainChain(*wtx) == 0 && !wtx->InMempool();
[ # # ][ # # ]
[ # # ][ # # ]
1292 : 0 : }
1293 : :
1294 : 0 : void CWallet::MarkInputsDirty(const CTransactionRef& tx)
1295 : : {
1296 [ # # ]: 0 : for (const CTxIn& txin : tx->vin) {
1297 : 0 : auto it = mapWallet.find(txin.prevout.hash);
1298 [ # # ]: 0 : if (it != mapWallet.end()) {
1299 : 0 : it->second.MarkDirty();
1300 : 0 : }
1301 : : }
1302 : 0 : }
1303 : :
1304 : 0 : bool CWallet::AbandonTransaction(const uint256& hashTx)
1305 : : {
1306 : 0 : LOCK(cs_wallet);
1307 : :
1308 : : // Can't mark abandoned if confirmed or in mempool
1309 [ # # ]: 0 : auto it = mapWallet.find(hashTx);
1310 [ # # ]: 0 : assert(it != mapWallet.end());
1311 : 0 : const CWalletTx& origtx = it->second;
1312 [ # # ][ # # ]: 0 : if (GetTxDepthInMainChain(origtx) != 0 || origtx.InMempool()) {
[ # # ][ # # ]
1313 : 0 : return false;
1314 : : }
1315 : :
1316 : 0 : auto try_updating_state = [](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
1317 : : // If the orig tx was not in block/mempool, none of its spends can be.
1318 [ # # ]: 0 : assert(!wtx.isConfirmed());
1319 [ # # ]: 0 : assert(!wtx.InMempool());
1320 : : // If already conflicted or abandoned, no need to set abandoned
1321 [ # # ][ # # ]: 0 : if (!wtx.isConflicted() && !wtx.isAbandoned()) {
1322 : 0 : wtx.m_state = TxStateInactive{/*abandoned=*/true};
1323 : 0 : return TxUpdate::NOTIFY_CHANGED;
1324 : : }
1325 : 0 : return TxUpdate::UNCHANGED;
1326 : 0 : };
1327 : :
1328 : : // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too.
1329 : : // States are not permanent, so these transactions can become unabandoned if they are re-added to the
1330 : : // mempool, or confirmed in a block, or conflicted.
1331 : : // Note: If the reorged coinbase is re-added to the main chain, the descendants that have not had their
1332 : : // states change will remain abandoned and will require manual broadcast if the user wants them.
1333 : :
1334 [ # # ]: 0 : RecursiveUpdateTxState(hashTx, try_updating_state);
1335 : :
1336 : 0 : return true;
1337 : 0 : }
1338 : :
1339 : 0 : void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, const uint256& hashTx)
1340 : : {
1341 : 0 : LOCK(cs_wallet);
1342 : :
1343 : : // If number of conflict confirms cannot be determined, this means
1344 : : // that the block is still unknown or not yet part of the main chain,
1345 : : // for example when loading the wallet during a reindex. Do nothing in that
1346 : : // case.
1347 [ # # ][ # # ]: 0 : if (m_last_block_processed_height < 0 || conflicting_height < 0) {
1348 : 0 : return;
1349 : : }
1350 : 0 : int conflictconfirms = (m_last_block_processed_height - conflicting_height + 1) * -1;
1351 [ # # ]: 0 : if (conflictconfirms >= 0)
1352 : 0 : return;
1353 : :
1354 : 0 : auto try_updating_state = [&](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
1355 [ # # ]: 0 : if (conflictconfirms < GetTxDepthInMainChain(wtx)) {
1356 : : // Block is 'more conflicted' than current confirm; update.
1357 : : // Mark transaction as conflicted with this block.
1358 : 0 : wtx.m_state = TxStateConflicted{hashBlock, conflicting_height};
1359 : 0 : return TxUpdate::CHANGED;
1360 : : }
1361 : 0 : return TxUpdate::UNCHANGED;
1362 : 0 : };
1363 : :
1364 : : // Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too.
1365 [ # # ][ # # ]: 0 : RecursiveUpdateTxState(hashTx, try_updating_state);
1366 : :
1367 [ # # ]: 0 : }
1368 : :
1369 : 0 : void CWallet::RecursiveUpdateTxState(const uint256& tx_hash, const TryUpdatingStateFn& try_updating_state) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
1370 : : // Do not flush the wallet here for performance reasons
1371 : 0 : WalletBatch batch(GetDatabase(), false);
1372 : :
1373 : 0 : std::set<uint256> todo;
1374 : 0 : std::set<uint256> done;
1375 : :
1376 [ # # ]: 0 : todo.insert(tx_hash);
1377 : :
1378 [ # # ]: 0 : while (!todo.empty()) {
1379 : 0 : uint256 now = *todo.begin();
1380 [ # # ]: 0 : todo.erase(now);
1381 [ # # ]: 0 : done.insert(now);
1382 [ # # ]: 0 : auto it = mapWallet.find(now);
1383 [ # # ]: 0 : assert(it != mapWallet.end());
1384 : 0 : CWalletTx& wtx = it->second;
1385 : :
1386 [ # # ]: 0 : TxUpdate update_state = try_updating_state(wtx);
1387 [ # # ]: 0 : if (update_state != TxUpdate::UNCHANGED) {
1388 [ # # ]: 0 : wtx.MarkDirty();
1389 [ # # ]: 0 : batch.WriteTx(wtx);
1390 : : // Iterate over all its outputs, and update those tx states as well (if applicable)
1391 [ # # ]: 0 : for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
1392 [ # # ][ # # ]: 0 : std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(now, i));
[ # # ]
1393 [ # # ]: 0 : for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
1394 [ # # ][ # # ]: 0 : if (!done.count(iter->second)) {
1395 [ # # ]: 0 : todo.insert(iter->second);
1396 : 0 : }
1397 : 0 : }
1398 : 0 : }
1399 : :
1400 [ # # ]: 0 : if (update_state == TxUpdate::NOTIFY_CHANGED) {
1401 [ # # ][ # # ]: 0 : NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
1402 : 0 : }
1403 : :
1404 : : // If a transaction changes its tx state, that usually changes the balance
1405 : : // available of the outputs it spends. So force those to be recomputed
1406 [ # # ]: 0 : MarkInputsDirty(wtx.tx);
1407 : 0 : }
1408 : : }
1409 : 0 : }
1410 : :
1411 : 0 : void CWallet::SyncTransaction(const CTransactionRef& ptx, const SyncTxState& state, bool update_tx, bool rescanning_old_block)
1412 : : {
1413 [ # # ]: 0 : if (!AddToWalletIfInvolvingMe(ptx, state, update_tx, rescanning_old_block))
1414 : 0 : return; // Not one of ours
1415 : :
1416 : : // If a transaction changes 'conflicted' state, that changes the balance
1417 : : // available of the outputs it spends. So force those to be
1418 : : // recomputed, also:
1419 : 0 : MarkInputsDirty(ptx);
1420 : 0 : }
1421 : :
1422 : 0 : void CWallet::transactionAddedToMempool(const CTransactionRef& tx) {
1423 : 0 : LOCK(cs_wallet);
1424 [ # # ]: 0 : SyncTransaction(tx, TxStateInMempool{});
1425 : :
1426 [ # # ][ # # ]: 0 : auto it = mapWallet.find(tx->GetHash());
1427 [ # # ]: 0 : if (it != mapWallet.end()) {
1428 [ # # ][ # # ]: 0 : RefreshMempoolStatus(it->second, chain());
1429 : 0 : }
1430 : 0 : }
1431 : :
1432 : 0 : void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason) {
1433 : 0 : LOCK(cs_wallet);
1434 [ # # ][ # # ]: 0 : auto it = mapWallet.find(tx->GetHash());
1435 [ # # ]: 0 : if (it != mapWallet.end()) {
1436 [ # # ][ # # ]: 0 : RefreshMempoolStatus(it->second, chain());
1437 : 0 : }
1438 : : // Handle transactions that were removed from the mempool because they
1439 : : // conflict with transactions in a newly connected block.
1440 [ # # ]: 0 : if (reason == MemPoolRemovalReason::CONFLICT) {
1441 : : // Trigger external -walletnotify notifications for these transactions.
1442 : : // Set Status::UNCONFIRMED instead of Status::CONFLICTED for a few reasons:
1443 : : //
1444 : : // 1. The transactionRemovedFromMempool callback does not currently
1445 : : // provide the conflicting block's hash and height, and for backwards
1446 : : // compatibility reasons it may not be not safe to store conflicted
1447 : : // wallet transactions with a null block hash. See
1448 : : // https://github.com/bitcoin/bitcoin/pull/18600#discussion_r420195993.
1449 : : // 2. For most of these transactions, the wallet's internal conflict
1450 : : // detection in the blockConnected handler will subsequently call
1451 : : // MarkConflicted and update them with CONFLICTED status anyway. This
1452 : : // applies to any wallet transaction that has inputs spent in the
1453 : : // block, or that has ancestors in the wallet with inputs spent by
1454 : : // the block.
1455 : : // 3. Longstanding behavior since the sync implementation in
1456 : : // https://github.com/bitcoin/bitcoin/pull/9371 and the prior sync
1457 : : // implementation before that was to mark these transactions
1458 : : // unconfirmed rather than conflicted.
1459 : : //
1460 : : // Nothing described above should be seen as an unchangeable requirement
1461 : : // when improving this code in the future. The wallet's heuristics for
1462 : : // distinguishing between conflicted and unconfirmed transactions are
1463 : : // imperfect, and could be improved in general, see
1464 : : // https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking
1465 [ # # ][ # # ]: 0 : SyncTransaction(tx, TxStateInactive{});
1466 : 0 : }
1467 : 0 : }
1468 : :
1469 : 0 : void CWallet::blockConnected(ChainstateRole role, const interfaces::BlockInfo& block)
1470 : : {
1471 [ # # ]: 0 : if (role == ChainstateRole::BACKGROUND) {
1472 : 0 : return;
1473 : : }
1474 [ # # ]: 0 : assert(block.data);
1475 : 0 : LOCK(cs_wallet);
1476 : :
1477 : 0 : m_last_block_processed_height = block.height;
1478 : 0 : m_last_block_processed = block.hash;
1479 : :
1480 : : // No need to scan block if it was created before the wallet birthday.
1481 : : // Uses chain max time and twice the grace period to adjust time for block time variability.
1482 [ # # ]: 0 : if (block.chain_time_max < m_birth_time.load() - (TIMESTAMP_WINDOW * 2)) return;
1483 : :
1484 : : // Scan block
1485 [ # # ]: 0 : for (size_t index = 0; index < block.data->vtx.size(); index++) {
1486 [ # # ][ # # ]: 0 : SyncTransaction(block.data->vtx[index], TxStateConfirmed{block.hash, block.height, static_cast<int>(index)});
1487 [ # # ]: 0 : transactionRemovedFromMempool(block.data->vtx[index], MemPoolRemovalReason::BLOCK);
1488 : 0 : }
1489 [ # # ]: 0 : }
1490 : :
1491 : 0 : void CWallet::blockDisconnected(const interfaces::BlockInfo& block)
1492 : : {
1493 [ # # ]: 0 : assert(block.data);
1494 : 0 : LOCK(cs_wallet);
1495 : :
1496 : : // At block disconnection, this will change an abandoned transaction to
1497 : : // be unconfirmed, whether or not the transaction is added back to the mempool.
1498 : : // User may have to call abandontransaction again. It may be addressed in the
1499 : : // future with a stickier abandoned state or even removing abandontransaction call.
1500 : 0 : m_last_block_processed_height = block.height - 1;
1501 [ # # ]: 0 : m_last_block_processed = *Assert(block.prev_hash);
1502 : :
1503 : 0 : int disconnect_height = block.height;
1504 : :
1505 [ # # ][ # # ]: 0 : for (const CTransactionRef& ptx : Assert(block.data)->vtx) {
1506 [ # # ][ # # ]: 0 : SyncTransaction(ptx, TxStateInactive{});
1507 : :
1508 [ # # ]: 0 : for (const CTxIn& tx_in : ptx->vin) {
1509 : : // No other wallet transactions conflicted with this transaction
1510 [ # # ][ # # ]: 0 : if (mapTxSpends.count(tx_in.prevout) < 1) continue;
1511 : :
1512 [ # # ][ # # ]: 0 : std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(tx_in.prevout);
1513 : :
1514 : : // For all of the spends that conflict with this transaction
1515 [ # # ]: 0 : for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it) {
1516 [ # # ]: 0 : CWalletTx& wtx = mapWallet.find(_it->second)->second;
1517 : :
1518 [ # # ][ # # ]: 0 : if (!wtx.isConflicted()) continue;
1519 : :
1520 : 0 : auto try_updating_state = [&](CWalletTx& tx) {
1521 [ # # ]: 0 : if (!tx.isConflicted()) return TxUpdate::UNCHANGED;
1522 [ # # ]: 0 : if (tx.state<TxStateConflicted>()->conflicting_block_height >= disconnect_height) {
1523 : 0 : tx.m_state = TxStateInactive{};
1524 : 0 : return TxUpdate::CHANGED;
1525 : : }
1526 : 0 : return TxUpdate::UNCHANGED;
1527 : 0 : };
1528 : :
1529 [ # # ][ # # ]: 0 : RecursiveUpdateTxState(wtx.tx->GetHash(), try_updating_state);
1530 : 0 : }
1531 : : }
1532 : : }
1533 : 0 : }
1534 : :
1535 : 0 : void CWallet::updatedBlockTip()
1536 : : {
1537 : 0 : m_best_block_time = GetTime();
1538 : 0 : }
1539 : :
1540 : 0 : void CWallet::BlockUntilSyncedToCurrentChain() const {
1541 : 0 : AssertLockNotHeld(cs_wallet);
1542 : : // Skip the queue-draining stuff if we know we're caught up with
1543 : : // chain().Tip(), otherwise put a callback in the validation interface queue and wait
1544 : : // for the queue to drain enough to execute it (indicating we are caught up
1545 : : // at least with the time we entered this function).
1546 : 0 : uint256 last_block_hash = WITH_LOCK(cs_wallet, return m_last_block_processed);
1547 : 0 : chain().waitForNotificationsIfTipChanged(last_block_hash);
1548 : 0 : }
1549 : :
1550 : : // Note that this function doesn't distinguish between a 0-valued input,
1551 : : // and a not-"is mine" (according to the filter) input.
1552 : 0 : CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
1553 : : {
1554 : : {
1555 : 0 : LOCK(cs_wallet);
1556 [ # # ]: 0 : const auto mi = mapWallet.find(txin.prevout.hash);
1557 [ # # ]: 0 : if (mi != mapWallet.end())
1558 : : {
1559 : 0 : const CWalletTx& prev = (*mi).second;
1560 [ # # ]: 0 : if (txin.prevout.n < prev.tx->vout.size())
1561 [ # # ][ # # ]: 0 : if (IsMine(prev.tx->vout[txin.prevout.n]) & filter)
1562 : 0 : return prev.tx->vout[txin.prevout.n].nValue;
1563 : 0 : }
1564 [ # # # ]: 0 : }
1565 : 0 : return 0;
1566 : 0 : }
1567 : :
1568 : 0 : isminetype CWallet::IsMine(const CTxOut& txout) const
1569 : : {
1570 : 0 : AssertLockHeld(cs_wallet);
1571 : 0 : return IsMine(txout.scriptPubKey);
1572 : : }
1573 : :
1574 : 0 : isminetype CWallet::IsMine(const CTxDestination& dest) const
1575 : : {
1576 : 0 : AssertLockHeld(cs_wallet);
1577 [ # # ]: 0 : return IsMine(GetScriptForDestination(dest));
1578 : 0 : }
1579 : :
1580 : 0 : isminetype CWallet::IsMine(const CScript& script) const
1581 : : {
1582 : 0 : AssertLockHeld(cs_wallet);
1583 : 0 : isminetype result = ISMINE_NO;
1584 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
1585 : 0 : result = std::max(result, spk_man_pair.second->IsMine(script));
1586 : : }
1587 : 0 : return result;
1588 : : }
1589 : :
1590 : 0 : bool CWallet::IsMine(const CTransaction& tx) const
1591 : : {
1592 : 0 : AssertLockHeld(cs_wallet);
1593 [ # # ]: 0 : for (const CTxOut& txout : tx.vout)
1594 [ # # ]: 0 : if (IsMine(txout))
1595 : 0 : return true;
1596 : 0 : return false;
1597 : 0 : }
1598 : :
1599 : 0 : isminetype CWallet::IsMine(const COutPoint& outpoint) const
1600 : : {
1601 : 0 : AssertLockHeld(cs_wallet);
1602 : 0 : auto wtx = GetWalletTx(outpoint.hash);
1603 [ # # ]: 0 : if (!wtx) {
1604 : 0 : return ISMINE_NO;
1605 : : }
1606 [ # # ]: 0 : if (outpoint.n >= wtx->tx->vout.size()) {
1607 : 0 : return ISMINE_NO;
1608 : : }
1609 : 0 : return IsMine(wtx->tx->vout[outpoint.n]);
1610 : 0 : }
1611 : :
1612 : 0 : bool CWallet::IsFromMe(const CTransaction& tx) const
1613 : : {
1614 : 0 : return (GetDebit(tx, ISMINE_ALL) > 0);
1615 : : }
1616 : :
1617 : 0 : CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
1618 : : {
1619 : 0 : CAmount nDebit = 0;
1620 [ # # ]: 0 : for (const CTxIn& txin : tx.vin)
1621 : : {
1622 : 0 : nDebit += GetDebit(txin, filter);
1623 [ # # ]: 0 : if (!MoneyRange(nDebit))
1624 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": value out of range");
[ # # ][ # # ]
[ # # ]
1625 : : }
1626 : 0 : return nDebit;
1627 : 0 : }
1628 : :
1629 : 0 : bool CWallet::IsHDEnabled() const
1630 : : {
1631 : : // All Active ScriptPubKeyMans must be HD for this to be true
1632 : 0 : bool result = false;
1633 [ # # ]: 0 : for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
[ # # # ]
1634 [ # # ][ # # ]: 0 : if (!spk_man->IsHDEnabled()) return false;
1635 : 0 : result = true;
1636 : : }
1637 : 0 : return result;
1638 : 0 : }
1639 : :
1640 : 0 : bool CWallet::CanGetAddresses(bool internal) const
1641 : : {
1642 : 0 : LOCK(cs_wallet);
1643 [ # # ]: 0 : if (m_spk_managers.empty()) return false;
1644 [ # # ]: 0 : for (OutputType t : OUTPUT_TYPES) {
1645 [ # # ]: 0 : auto spk_man = GetScriptPubKeyMan(t, internal);
1646 [ # # ][ # # ]: 0 : if (spk_man && spk_man->CanGetAddresses(internal)) {
[ # # ]
1647 : 0 : return true;
1648 : : }
1649 : : }
1650 : 0 : return false;
1651 : 0 : }
1652 : :
1653 : 0 : void CWallet::SetWalletFlag(uint64_t flags)
1654 : : {
1655 : 0 : LOCK(cs_wallet);
1656 : 0 : m_wallet_flags |= flags;
1657 [ # # ][ # # ]: 0 : if (!WalletBatch(GetDatabase()).WriteWalletFlags(m_wallet_flags))
[ # # ][ # # ]
1658 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
[ # # ][ # # ]
[ # # ]
1659 : 0 : }
1660 : :
1661 : 0 : void CWallet::UnsetWalletFlag(uint64_t flag)
1662 : : {
1663 : 0 : WalletBatch batch(GetDatabase());
1664 [ # # ]: 0 : UnsetWalletFlagWithDB(batch, flag);
1665 : 0 : }
1666 : :
1667 : 0 : void CWallet::UnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
1668 : : {
1669 : 0 : LOCK(cs_wallet);
1670 : 0 : m_wallet_flags &= ~flag;
1671 [ # # ][ # # ]: 0 : if (!batch.WriteWalletFlags(m_wallet_flags))
1672 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
[ # # ][ # # ]
[ # # ]
1673 : 0 : }
1674 : :
1675 : 0 : void CWallet::UnsetBlankWalletFlag(WalletBatch& batch)
1676 : : {
1677 : 0 : UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
1678 : 0 : }
1679 : :
1680 : 0 : bool CWallet::IsWalletFlagSet(uint64_t flag) const
1681 : : {
1682 : 0 : return (m_wallet_flags & flag);
1683 : : }
1684 : :
1685 : 0 : bool CWallet::LoadWalletFlags(uint64_t flags)
1686 : : {
1687 : 0 : LOCK(cs_wallet);
1688 [ # # ]: 0 : if (((flags & KNOWN_WALLET_FLAGS) >> 32) ^ (flags >> 32)) {
1689 : : // contains unknown non-tolerable wallet flags
1690 : 0 : return false;
1691 : : }
1692 : 0 : m_wallet_flags = flags;
1693 : :
1694 : 0 : return true;
1695 : 0 : }
1696 : :
1697 : 0 : void CWallet::InitWalletFlags(uint64_t flags)
1698 : : {
1699 : 0 : LOCK(cs_wallet);
1700 : :
1701 : : // We should never be writing unknown non-tolerable wallet flags
1702 [ # # ]: 0 : assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
1703 : : // This should only be used once, when creating a new wallet - so current flags are expected to be blank
1704 [ # # ]: 0 : assert(m_wallet_flags == 0);
1705 : :
1706 [ # # ][ # # ]: 0 : if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
[ # # ][ # # ]
1707 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
[ # # ][ # # ]
[ # # ]
1708 : : }
1709 : :
1710 [ # # ][ # # ]: 0 : if (!LoadWalletFlags(flags)) assert(false);
1711 : 0 : }
1712 : :
1713 : 0 : bool CWallet::ImportScripts(const std::set<CScript> scripts, int64_t timestamp)
1714 : : {
1715 : 0 : auto spk_man = GetLegacyScriptPubKeyMan();
1716 [ # # ]: 0 : if (!spk_man) {
1717 : 0 : return false;
1718 : : }
1719 : 0 : LOCK(spk_man->cs_KeyStore);
1720 [ # # ][ # # ]: 0 : return spk_man->ImportScripts(scripts, timestamp);
1721 : 0 : }
1722 : :
1723 : 0 : bool CWallet::ImportPrivKeys(const std::map<CKeyID, CKey>& privkey_map, const int64_t timestamp)
1724 : : {
1725 : 0 : auto spk_man = GetLegacyScriptPubKeyMan();
1726 [ # # ]: 0 : if (!spk_man) {
1727 : 0 : return false;
1728 : : }
1729 : 0 : LOCK(spk_man->cs_KeyStore);
1730 [ # # ]: 0 : return spk_man->ImportPrivKeys(privkey_map, timestamp);
1731 : 0 : }
1732 : :
1733 : 0 : bool CWallet::ImportPubKeys(const std::vector<CKeyID>& ordered_pubkeys, const std::map<CKeyID, CPubKey>& pubkey_map, const std::map<CKeyID, std::pair<CPubKey, KeyOriginInfo>>& key_origins, const bool add_keypool, const bool internal, const int64_t timestamp)
1734 : : {
1735 : 0 : auto spk_man = GetLegacyScriptPubKeyMan();
1736 [ # # ]: 0 : if (!spk_man) {
1737 : 0 : return false;
1738 : : }
1739 : 0 : LOCK(spk_man->cs_KeyStore);
1740 [ # # ]: 0 : return spk_man->ImportPubKeys(ordered_pubkeys, pubkey_map, key_origins, add_keypool, internal, timestamp);
1741 : 0 : }
1742 : :
1743 : 0 : bool CWallet::ImportScriptPubKeys(const std::string& label, const std::set<CScript>& script_pub_keys, const bool have_solving_data, const bool apply_label, const int64_t timestamp)
1744 : : {
1745 : 0 : auto spk_man = GetLegacyScriptPubKeyMan();
1746 [ # # ]: 0 : if (!spk_man) {
1747 : 0 : return false;
1748 : : }
1749 : 0 : LOCK(spk_man->cs_KeyStore);
1750 [ # # ][ # # ]: 0 : if (!spk_man->ImportScriptPubKeys(script_pub_keys, have_solving_data, timestamp)) {
1751 : 0 : return false;
1752 : : }
1753 [ # # ]: 0 : if (apply_label) {
1754 [ # # ][ # # ]: 0 : WalletBatch batch(GetDatabase());
1755 [ # # ]: 0 : for (const CScript& script : script_pub_keys) {
1756 [ # # ]: 0 : CTxDestination dest;
1757 [ # # ]: 0 : ExtractDestination(script, dest);
1758 [ # # ][ # # ]: 0 : if (IsValidDestination(dest)) {
1759 [ # # ]: 0 : SetAddressBookWithDB(batch, dest, label, AddressPurpose::RECEIVE);
1760 : 0 : }
1761 : 0 : }
1762 : 0 : }
1763 : 0 : return true;
1764 : 0 : }
1765 : :
1766 : 0 : void CWallet::FirstKeyTimeChanged(const ScriptPubKeyMan* spkm, int64_t new_birth_time)
1767 : : {
1768 : 0 : int64_t birthtime = m_birth_time.load();
1769 [ # # ]: 0 : if (new_birth_time < birthtime) {
1770 : 0 : m_birth_time = new_birth_time;
1771 : 0 : }
1772 : 0 : }
1773 : :
1774 : : /**
1775 : : * Scan active chain for relevant transactions after importing keys. This should
1776 : : * be called whenever new keys are added to the wallet, with the oldest key
1777 : : * creation time.
1778 : : *
1779 : : * @return Earliest timestamp that could be successfully scanned from. Timestamp
1780 : : * returned will be higher than startTime if relevant blocks could not be read.
1781 : : */
1782 : 0 : int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver, bool update)
1783 : : {
1784 : : // Find starting block. May be null if nCreateTime is greater than the
1785 : : // highest blockchain timestamp, in which case there is nothing that needs
1786 : : // to be scanned.
1787 : 0 : int start_height = 0;
1788 : 0 : uint256 start_block;
1789 : 0 : bool start = chain().findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, FoundBlock().hash(start_block).height(start_height));
1790 [ # # ][ # # ]: 0 : WalletLogPrintf("%s: Rescanning last %i blocks\n", __func__, start ? WITH_LOCK(cs_wallet, return GetLastBlockHeight()) - start_height + 1 : 0);
1791 : :
1792 [ # # ]: 0 : if (start) {
1793 : : // TODO: this should take into account failure by ScanResult::USER_ABORT
1794 : 0 : ScanResult result = ScanForWalletTransactions(start_block, start_height, /*max_height=*/{}, reserver, /*fUpdate=*/update, /*save_progress=*/false);
1795 [ # # ]: 0 : if (result.status == ScanResult::FAILURE) {
1796 : : int64_t time_max;
1797 : 0 : CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));
1798 : 0 : return time_max + TIMESTAMP_WINDOW + 1;
1799 : : }
1800 : 0 : }
1801 : 0 : return startTime;
1802 : 0 : }
1803 : :
1804 : : /**
1805 : : * Scan the block chain (starting in start_block) for transactions
1806 : : * from or to us. If fUpdate is true, found transactions that already
1807 : : * exist in the wallet will be updated. If max_height is not set, the
1808 : : * mempool will be scanned as well.
1809 : : *
1810 : : * @param[in] start_block Scan starting block. If block is not on the active
1811 : : * chain, the scan will return SUCCESS immediately.
1812 : : * @param[in] start_height Height of start_block
1813 : : * @param[in] max_height Optional max scanning height. If unset there is
1814 : : * no maximum and scanning can continue to the tip
1815 : : *
1816 : : * @return ScanResult returning scan information and indicating success or
1817 : : * failure. Return status will be set to SUCCESS if scan was
1818 : : * successful. FAILURE if a complete rescan was not possible (due to
1819 : : * pruning or corruption). USER_ABORT if the rescan was aborted before
1820 : : * it could complete.
1821 : : *
1822 : : * @pre Caller needs to make sure start_block (and the optional stop_block) are on
1823 : : * the main chain after to the addition of any new keys you want to detect
1824 : : * transactions for.
1825 : : */
1826 : 0 : CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, int start_height, std::optional<int> max_height, const WalletRescanReserver& reserver, bool fUpdate, const bool save_progress)
1827 : : {
1828 : 0 : constexpr auto INTERVAL_TIME{60s};
1829 : 0 : auto current_time{reserver.now()};
1830 : 0 : auto start_time{reserver.now()};
1831 : :
1832 [ # # ]: 0 : assert(reserver.isReserved());
1833 : :
1834 : 0 : uint256 block_hash = start_block;
1835 : 0 : ScanResult result;
1836 : :
1837 : 0 : std::unique_ptr<FastWalletRescanFilter> fast_rescan_filter;
1838 [ # # ][ # # ]: 0 : if (!IsLegacy() && chain().hasBlockFilterIndex(BlockFilterType::BASIC)) fast_rescan_filter = std::make_unique<FastWalletRescanFilter>(*this);
[ # # ][ # # ]
[ # # ][ # # ]
1839 : :
1840 [ # # ][ # # ]: 0 : WalletLogPrintf("Rescan started from block %s... (%s)\n", start_block.ToString(),
1841 : 0 : fast_rescan_filter ? "fast variant using block filters" : "slow variant inspecting all blocks");
1842 : :
1843 : 0 : fAbortRescan = false;
1844 [ # # ][ # # ]: 0 : ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), 0); // show rescan progress in GUI as dialog or on splashscreen, if rescan required on startup (e.g. due to corruption)
[ # # ][ # # ]
[ # # ]
1845 [ # # ][ # # ]: 0 : uint256 tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
[ # # ]
1846 : 0 : uint256 end_hash = tip_hash;
1847 [ # # ][ # # ]: 0 : if (max_height) chain().findAncestorByHeight(tip_hash, *max_height, FoundBlock().hash(end_hash));
[ # # ][ # # ]
1848 [ # # ][ # # ]: 0 : double progress_begin = chain().guessVerificationProgress(block_hash);
1849 [ # # ][ # # ]: 0 : double progress_end = chain().guessVerificationProgress(end_hash);
1850 : 0 : double progress_current = progress_begin;
1851 : 0 : int block_height = start_height;
1852 [ # # ][ # # ]: 0 : while (!fAbortRescan && !chain().shutdownRequested()) {
[ # # ][ # # ]
1853 [ # # ]: 0 : if (progress_end - progress_begin > 0.0) {
1854 : 0 : m_scanning_progress = (progress_current - progress_begin) / (progress_end - progress_begin);
1855 : 0 : } else { // avoid divide-by-zero for single block scan range (i.e. start and stop hashes are equal)
1856 : 0 : m_scanning_progress = 0;
1857 : : }
1858 [ # # ][ # # ]: 0 : if (block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
1859 [ # # ][ # # ]: 0 : ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
1860 : 0 : }
1861 : :
1862 [ # # ][ # # ]: 0 : bool next_interval = reserver.now() >= current_time + INTERVAL_TIME;
[ # # ]
1863 [ # # ]: 0 : if (next_interval) {
1864 [ # # ]: 0 : current_time = reserver.now();
1865 [ # # ]: 0 : WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
1866 : 0 : }
1867 : :
1868 : 0 : bool fetch_block{true};
1869 [ # # ]: 0 : if (fast_rescan_filter) {
1870 [ # # ]: 0 : fast_rescan_filter->UpdateIfNeeded();
1871 [ # # ]: 0 : auto matches_block{fast_rescan_filter->MatchesBlock(block_hash)};
1872 [ # # ]: 0 : if (matches_block.has_value()) {
1873 [ # # ]: 0 : if (*matches_block) {
1874 [ # # ][ # # ]: 0 : LogPrint(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (filter matched)\n", block_height, block_hash.ToString());
[ # # ][ # # ]
[ # # ][ # # ]
1875 : 0 : } else {
1876 : 0 : result.last_scanned_block = block_hash;
1877 : 0 : result.last_scanned_height = block_height;
1878 : 0 : fetch_block = false;
1879 : : }
1880 : 0 : } else {
1881 [ # # ][ # # ]: 0 : LogPrint(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (WARNING: block filter not found!)\n", block_height, block_hash.ToString());
[ # # ][ # # ]
[ # # ][ # # ]
1882 : : }
1883 : 0 : }
1884 : :
1885 : : // Find next block separately from reading data above, because reading
1886 : : // is slow and there might be a reorg while it is read.
1887 : 0 : bool block_still_active = false;
1888 : 0 : bool next_block = false;
1889 [ # # ]: 0 : uint256 next_block_hash;
1890 [ # # ][ # # ]: 0 : chain().findBlock(block_hash, FoundBlock().inActiveChain(block_still_active).nextBlock(FoundBlock().inActiveChain(next_block).hash(next_block_hash)));
[ # # ][ # # ]
[ # # ][ # # ]
1891 : :
1892 [ # # ]: 0 : if (fetch_block) {
1893 : : // Read block data
1894 [ # # ]: 0 : CBlock block;
1895 [ # # ][ # # ]: 0 : chain().findBlock(block_hash, FoundBlock().data(block));
[ # # ]
1896 : :
1897 [ # # ][ # # ]: 0 : if (!block.IsNull()) {
1898 [ # # ][ # # ]: 0 : LOCK(cs_wallet);
1899 [ # # ]: 0 : if (!block_still_active) {
1900 : : // Abort scan if current block is no longer active, to prevent
1901 : : // marking transactions as coming from the wrong block.
1902 : 0 : result.last_failed_block = block_hash;
1903 : 0 : result.status = ScanResult::FAILURE;
1904 : 0 : break;
1905 : : }
1906 [ # # ]: 0 : for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
1907 [ # # ][ # # ]: 0 : SyncTransaction(block.vtx[posInBlock], TxStateConfirmed{block_hash, block_height, static_cast<int>(posInBlock)}, fUpdate, /*rescanning_old_block=*/true);
1908 : 0 : }
1909 : : // scan succeeded, record block as most recent successfully scanned
1910 : 0 : result.last_scanned_block = block_hash;
1911 : 0 : result.last_scanned_height = block_height;
1912 : :
1913 [ # # ][ # # ]: 0 : if (save_progress && next_interval) {
1914 [ # # ]: 0 : CBlockLocator loc = m_chain->getActiveChainLocator(block_hash);
1915 : :
1916 [ # # ][ # # ]: 0 : if (!loc.IsNull()) {
1917 [ # # ]: 0 : WalletLogPrintf("Saving scan progress %d.\n", block_height);
1918 [ # # ][ # # ]: 0 : WalletBatch batch(GetDatabase());
1919 [ # # ]: 0 : batch.WriteBestBlock(loc);
1920 : 0 : }
1921 : 0 : }
1922 [ # # ]: 0 : } else {
1923 : : // could not scan block, keep scanning but record this block as the most recent failure
1924 : 0 : result.last_failed_block = block_hash;
1925 : 0 : result.status = ScanResult::FAILURE;
1926 : : }
1927 [ # # # ]: 0 : }
1928 [ # # ][ # # ]: 0 : if (max_height && block_height >= *max_height) {
1929 : 0 : break;
1930 : : }
1931 : : {
1932 [ # # ]: 0 : if (!next_block) {
1933 : : // break successfully when rescan has reached the tip, or
1934 : : // previous block is no longer on the chain due to a reorg
1935 : 0 : break;
1936 : : }
1937 : :
1938 : : // increment block and verification progress
1939 : 0 : block_hash = next_block_hash;
1940 : 0 : ++block_height;
1941 [ # # ][ # # ]: 0 : progress_current = chain().guessVerificationProgress(block_hash);
1942 : :
1943 : : // handle updated tip hash
1944 : 0 : const uint256 prev_tip_hash = tip_hash;
1945 [ # # ][ # # ]: 0 : tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
[ # # ]
1946 [ # # ][ # # ]: 0 : if (!max_height && prev_tip_hash != tip_hash) {
[ # # ]
1947 : : // in case the tip has changed, update progress max
1948 [ # # ][ # # ]: 0 : progress_end = chain().guessVerificationProgress(tip_hash);
1949 : 0 : }
1950 : : }
1951 : : }
1952 [ # # ]: 0 : if (!max_height) {
1953 [ # # ]: 0 : WalletLogPrintf("Scanning current mempool transactions.\n");
1954 [ # # ][ # # ]: 0 : WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
[ # # ]
1955 : 0 : }
1956 [ # # ][ # # ]: 0 : ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), 100); // hide progress dialog in GUI
[ # # ][ # # ]
[ # # ]
1957 [ # # ][ # # ]: 0 : if (block_height && fAbortRescan) {
1958 [ # # ]: 0 : WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", block_height, progress_current);
1959 : 0 : result.status = ScanResult::USER_ABORT;
1960 [ # # ][ # # ]: 0 : } else if (block_height && chain().shutdownRequested()) {
[ # # ][ # # ]
1961 [ # # ]: 0 : WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", block_height, progress_current);
1962 : 0 : result.status = ScanResult::USER_ABORT;
1963 : 0 : } else {
1964 [ # # ][ # # ]: 0 : WalletLogPrintf("Rescan completed in %15dms\n", Ticks<std::chrono::milliseconds>(reserver.now() - start_time));
[ # # ][ # # ]
1965 : : }
1966 : : return result;
1967 : 0 : }
1968 : :
1969 : 0 : bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx, std::string& err_string, bool relay) const
1970 : : {
1971 : 0 : AssertLockHeld(cs_wallet);
1972 : :
1973 : : // Can't relay if wallet is not broadcasting
1974 [ # # ]: 0 : if (!GetBroadcastTransactions()) return false;
1975 : : // Don't relay abandoned transactions
1976 [ # # ]: 0 : if (wtx.isAbandoned()) return false;
1977 : : // Don't try to submit coinbase transactions. These would fail anyway but would
1978 : : // cause log spam.
1979 [ # # ]: 0 : if (wtx.IsCoinBase()) return false;
1980 : : // Don't try to submit conflicted or confirmed transactions.
1981 [ # # ]: 0 : if (GetTxDepthInMainChain(wtx) != 0) return false;
1982 : :
1983 : : // Submit transaction to mempool for relay
1984 [ # # ]: 0 : WalletLogPrintf("Submitting wtx %s to mempool for relay\n", wtx.GetHash().ToString());
1985 : : // We must set TxStateInMempool here. Even though it will also be set later by the
1986 : : // entered-mempool callback, if we did not there would be a race where a
1987 : : // user could call sendmoney in a loop and hit spurious out of funds errors
1988 : : // because we think that this newly generated transaction's change is
1989 : : // unavailable as we're not yet aware that it is in the mempool.
1990 : : //
1991 : : // If broadcast fails for any reason, trying to set wtx.m_state here would be incorrect.
1992 : : // If transaction was previously in the mempool, it should be updated when
1993 : : // TransactionRemovedFromMempool fires.
1994 : 0 : bool ret = chain().broadcastTransaction(wtx.tx, m_default_max_tx_fee, relay, err_string);
1995 [ # # ]: 0 : if (ret) wtx.m_state = TxStateInMempool{};
1996 : 0 : return ret;
1997 : 0 : }
1998 : :
1999 : 0 : std::set<uint256> CWallet::GetTxConflicts(const CWalletTx& wtx) const
2000 : : {
2001 : 0 : AssertLockHeld(cs_wallet);
2002 : :
2003 : 0 : const uint256 myHash{wtx.GetHash()};
2004 : 0 : std::set<uint256> result{GetConflicts(myHash)};
2005 [ # # ]: 0 : result.erase(myHash);
2006 : 0 : return result;
2007 [ # # ]: 0 : }
2008 : :
2009 : 0 : bool CWallet::ShouldResend() const
2010 : : {
2011 : : // Don't attempt to resubmit if the wallet is configured to not broadcast
2012 [ # # ]: 0 : if (!fBroadcastTransactions) return false;
2013 : :
2014 : : // During reindex, importing and IBD, old wallet transactions become
2015 : : // unconfirmed. Don't resend them as that would spam other nodes.
2016 : : // We only allow forcing mempool submission when not relaying to avoid this spam.
2017 [ # # ]: 0 : if (!chain().isReadyToBroadcast()) return false;
2018 : :
2019 : : // Do this infrequently and randomly to avoid giving away
2020 : : // that these are our transactions.
2021 [ # # ]: 0 : if (NodeClock::now() < m_next_resend) return false;
2022 : :
2023 : 0 : return true;
2024 : 0 : }
2025 : :
2026 [ # # ][ # # ]: 0 : NodeClock::time_point CWallet::GetDefaultNextResend() { return FastRandomContext{}.rand_uniform_delay(NodeClock::now() + 12h, 24h); }
[ # # ][ # # ]
[ # # ]
2027 : :
2028 : : // Resubmit transactions from the wallet to the mempool, optionally asking the
2029 : : // mempool to relay them. On startup, we will do this for all unconfirmed
2030 : : // transactions but will not ask the mempool to relay them. We do this on startup
2031 : : // to ensure that our own mempool is aware of our transactions. There
2032 : : // is a privacy side effect here as not broadcasting on startup also means that we won't
2033 : : // inform the world of our wallet's state, particularly if the wallet (or node) is not
2034 : : // yet synced.
2035 : : //
2036 : : // Otherwise this function is called periodically in order to relay our unconfirmed txs.
2037 : : // We do this on a random timer to slightly obfuscate which transactions
2038 : : // come from our wallet.
2039 : : //
2040 : : // TODO: Ideally, we'd only resend transactions that we think should have been
2041 : : // mined in the most recent block. Any transaction that wasn't in the top
2042 : : // blockweight of transactions in the mempool shouldn't have been mined,
2043 : : // and so is probably just sitting in the mempool waiting to be confirmed.
2044 : : // Rebroadcasting does nothing to speed up confirmation and only damages
2045 : : // privacy.
2046 : : //
2047 : : // The `force` option results in all unconfirmed transactions being submitted to
2048 : : // the mempool. This does not necessarily result in those transactions being relayed,
2049 : : // that depends on the `relay` option. Periodic rebroadcast uses the pattern
2050 : : // relay=true force=false, while loading into the mempool
2051 : : // (on start, or after import) uses relay=false force=true.
2052 : 0 : void CWallet::ResubmitWalletTransactions(bool relay, bool force)
2053 : : {
2054 : : // Don't attempt to resubmit if the wallet is configured to not broadcast,
2055 : : // even if forcing.
2056 [ # # ]: 0 : if (!fBroadcastTransactions) return;
2057 : :
2058 : 0 : int submitted_tx_count = 0;
2059 : :
2060 : : { // cs_wallet scope
2061 : 0 : LOCK(cs_wallet);
2062 : :
2063 : : // First filter for the transactions we want to rebroadcast.
2064 : : // We use a set with WalletTxOrderComparator so that rebroadcasting occurs in insertion order
2065 : 0 : std::set<CWalletTx*, WalletTxOrderComparator> to_submit;
2066 [ # # ]: 0 : for (auto& [txid, wtx] : mapWallet) {
2067 : : // Only rebroadcast unconfirmed txs
2068 [ # # ][ # # ]: 0 : if (!wtx.isUnconfirmed()) continue;
2069 : :
2070 : : // Attempt to rebroadcast all txes more than 5 minutes older than
2071 : : // the last block, or all txs if forcing.
2072 [ # # ][ # # ]: 0 : if (!force && wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
2073 [ # # ]: 0 : to_submit.insert(&wtx);
2074 : : }
2075 : : // Now try submitting the transactions to the memory pool and (optionally) relay them.
2076 [ # # ]: 0 : for (auto wtx : to_submit) {
2077 : 0 : std::string unused_err_string;
2078 [ # # ][ # # ]: 0 : if (SubmitTxMemoryPoolAndRelay(*wtx, unused_err_string, relay)) ++submitted_tx_count;
2079 : 0 : }
2080 : 0 : } // cs_wallet
2081 : :
2082 [ # # ]: 0 : if (submitted_tx_count > 0) {
2083 : 0 : WalletLogPrintf("%s: resubmit %u unconfirmed transactions\n", __func__, submitted_tx_count);
2084 : 0 : }
2085 : 0 : }
2086 : :
2087 : : /** @} */ // end of mapWallet
2088 : :
2089 : 0 : void MaybeResendWalletTxs(WalletContext& context)
2090 : : {
2091 [ # # ]: 0 : for (const std::shared_ptr<CWallet>& pwallet : GetWallets(context)) {
2092 [ # # ][ # # ]: 0 : if (!pwallet->ShouldResend()) continue;
2093 [ # # ]: 0 : pwallet->ResubmitWalletTransactions(/*relay=*/true, /*force=*/false);
2094 [ # # ]: 0 : pwallet->SetNextResend();
2095 : : }
2096 : 0 : }
2097 : :
2098 : :
2099 : : /** @defgroup Actions
2100 : : *
2101 : : * @{
2102 : : */
2103 : :
2104 : 0 : bool CWallet::SignTransaction(CMutableTransaction& tx) const
2105 : : {
2106 : 0 : AssertLockHeld(cs_wallet);
2107 : :
2108 : : // Build coins map
2109 : 0 : std::map<COutPoint, Coin> coins;
2110 [ # # ]: 0 : for (auto& input : tx.vin) {
2111 [ # # ]: 0 : const auto mi = mapWallet.find(input.prevout.hash);
2112 [ # # ][ # # ]: 0 : if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
2113 : 0 : return false;
2114 : : }
2115 : 0 : const CWalletTx& wtx = mi->second;
2116 [ # # ][ # # ]: 0 : int prev_height = wtx.state<TxStateConfirmed>() ? wtx.state<TxStateConfirmed>()->confirmed_block_height : 0;
[ # # ]
2117 [ # # ][ # # ]: 0 : coins[input.prevout] = Coin(wtx.tx->vout[input.prevout.n], prev_height, wtx.IsCoinBase());
[ # # ]
2118 : : }
2119 : 0 : std::map<int, bilingual_str> input_errors;
2120 [ # # ]: 0 : return SignTransaction(tx, coins, SIGHASH_DEFAULT, input_errors);
2121 : 0 : }
2122 : :
2123 : 0 : bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const
2124 : : {
2125 : : // Try to sign with all ScriptPubKeyMans
2126 [ # # ]: 0 : for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
[ # # # ]
2127 : : // spk_man->SignTransaction will return true if the transaction is complete,
2128 : : // so we can exit early and return true if that happens
2129 [ # # ][ # # ]: 0 : if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
2130 : 0 : return true;
2131 : : }
2132 : : }
2133 : :
2134 : : // At this point, one input was not fully signed otherwise we would have exited already
2135 : 0 : return false;
2136 : 0 : }
2137 : :
2138 : 0 : TransactionError CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& complete, int sighash_type, bool sign, bool bip32derivs, size_t * n_signed, bool finalize) const
2139 : : {
2140 [ # # ]: 0 : if (n_signed) {
2141 : 0 : *n_signed = 0;
2142 : 0 : }
2143 : 0 : LOCK(cs_wallet);
2144 : : // Get all of the previous transactions
2145 [ # # ]: 0 : for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
2146 : 0 : const CTxIn& txin = psbtx.tx->vin[i];
2147 [ # # ]: 0 : PSBTInput& input = psbtx.inputs.at(i);
2148 : :
2149 [ # # ][ # # ]: 0 : if (PSBTInputSigned(input)) {
2150 : 0 : continue;
2151 : : }
2152 : :
2153 : : // If we have no utxo, grab it from the wallet.
2154 [ # # ]: 0 : if (!input.non_witness_utxo) {
2155 : 0 : const uint256& txhash = txin.prevout.hash;
2156 [ # # ]: 0 : const auto it = mapWallet.find(txhash);
2157 [ # # ]: 0 : if (it != mapWallet.end()) {
2158 : 0 : const CWalletTx& wtx = it->second;
2159 : : // We only need the non_witness_utxo, which is a superset of the witness_utxo.
2160 : : // The signing code will switch to the smaller witness_utxo if this is ok.
2161 : 0 : input.non_witness_utxo = wtx.tx;
2162 : 0 : }
2163 : 0 : }
2164 : 0 : }
2165 : :
2166 [ # # ]: 0 : const PrecomputedTransactionData txdata = PrecomputePSBTData(psbtx);
2167 : :
2168 : : // Fill in information from ScriptPubKeyMans
2169 [ # # ][ # # ]: 0 : for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
[ # # ]
2170 : 0 : int n_signed_this_spkm = 0;
2171 [ # # ]: 0 : TransactionError res = spk_man->FillPSBT(psbtx, txdata, sighash_type, sign, bip32derivs, &n_signed_this_spkm, finalize);
2172 [ # # ]: 0 : if (res != TransactionError::OK) {
2173 : 0 : return res;
2174 : : }
2175 : :
2176 [ # # ]: 0 : if (n_signed) {
2177 : 0 : (*n_signed) += n_signed_this_spkm;
2178 : 0 : }
2179 : : }
2180 : :
2181 [ # # ]: 0 : RemoveUnnecessaryTransactions(psbtx, sighash_type);
2182 : :
2183 : : // Complete if every input is now signed
2184 : 0 : complete = true;
2185 [ # # ]: 0 : for (const auto& input : psbtx.inputs) {
2186 [ # # ]: 0 : complete &= PSBTInputSigned(input);
2187 : : }
2188 : :
2189 : 0 : return TransactionError::OK;
2190 : 0 : }
2191 : :
2192 : 0 : SigningResult CWallet::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
2193 : : {
2194 : 0 : SignatureData sigdata;
2195 [ # # ]: 0 : CScript script_pub_key = GetScriptForDestination(pkhash);
2196 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
2197 [ # # ][ # # ]: 0 : if (spk_man_pair.second->CanProvide(script_pub_key, sigdata)) {
2198 [ # # ][ # # ]: 0 : LOCK(cs_wallet); // DescriptorScriptPubKeyMan calls IsLocked which can lock cs_wallet in a deadlocking order
2199 [ # # ]: 0 : return spk_man_pair.second->SignMessage(message, pkhash, str_sig);
2200 : 0 : }
2201 : : }
2202 : 0 : return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
2203 : 0 : }
2204 : :
2205 : 0 : OutputType CWallet::TransactionChangeType(const std::optional<OutputType>& change_type, const std::vector<CRecipient>& vecSend) const
2206 : : {
2207 : : // If -changetype is specified, always use that change type.
2208 [ # # ]: 0 : if (change_type) {
2209 : 0 : return *change_type;
2210 : : }
2211 : :
2212 : : // if m_default_address_type is legacy, use legacy address as change.
2213 [ # # ]: 0 : if (m_default_address_type == OutputType::LEGACY) {
2214 : 0 : return OutputType::LEGACY;
2215 : : }
2216 : :
2217 : 0 : bool any_tr{false};
2218 : 0 : bool any_wpkh{false};
2219 : 0 : bool any_sh{false};
2220 : 0 : bool any_pkh{false};
2221 : :
2222 [ # # ]: 0 : for (const auto& recipient : vecSend) {
2223 [ # # ]: 0 : if (std::get_if<WitnessV1Taproot>(&recipient.dest)) {
2224 : 0 : any_tr = true;
2225 [ # # ]: 0 : } else if (std::get_if<WitnessV0KeyHash>(&recipient.dest)) {
2226 : 0 : any_wpkh = true;
2227 [ # # ]: 0 : } else if (std::get_if<ScriptHash>(&recipient.dest)) {
2228 : 0 : any_sh = true;
2229 [ # # ]: 0 : } else if (std::get_if<PKHash>(&recipient.dest)) {
2230 : 0 : any_pkh = true;
2231 : 0 : }
2232 : : }
2233 : :
2234 : 0 : const bool has_bech32m_spkman(GetScriptPubKeyMan(OutputType::BECH32M, /*internal=*/true));
2235 [ # # ][ # # ]: 0 : if (has_bech32m_spkman && any_tr) {
2236 : : // Currently tr is the only type supported by the BECH32M spkman
2237 : 0 : return OutputType::BECH32M;
2238 : : }
2239 : 0 : const bool has_bech32_spkman(GetScriptPubKeyMan(OutputType::BECH32, /*internal=*/true));
2240 [ # # ][ # # ]: 0 : if (has_bech32_spkman && any_wpkh) {
2241 : : // Currently wpkh is the only type supported by the BECH32 spkman
2242 : 0 : return OutputType::BECH32;
2243 : : }
2244 : 0 : const bool has_p2sh_segwit_spkman(GetScriptPubKeyMan(OutputType::P2SH_SEGWIT, /*internal=*/true));
2245 [ # # ][ # # ]: 0 : if (has_p2sh_segwit_spkman && any_sh) {
2246 : : // Currently sh_wpkh is the only type supported by the P2SH_SEGWIT spkman
2247 : : // As of 2021 about 80% of all SH are wrapping WPKH, so use that
2248 : 0 : return OutputType::P2SH_SEGWIT;
2249 : : }
2250 : 0 : const bool has_legacy_spkman(GetScriptPubKeyMan(OutputType::LEGACY, /*internal=*/true));
2251 [ # # ][ # # ]: 0 : if (has_legacy_spkman && any_pkh) {
2252 : : // Currently pkh is the only type supported by the LEGACY spkman
2253 : 0 : return OutputType::LEGACY;
2254 : : }
2255 : :
2256 [ # # ]: 0 : if (has_bech32m_spkman) {
2257 : 0 : return OutputType::BECH32M;
2258 : : }
2259 [ # # ]: 0 : if (has_bech32_spkman) {
2260 : 0 : return OutputType::BECH32;
2261 : : }
2262 : : // else use m_default_address_type for change
2263 : 0 : return m_default_address_type;
2264 : 0 : }
2265 : :
2266 : 0 : void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::vector<std::pair<std::string, std::string>> orderForm)
2267 : : {
2268 : 0 : LOCK(cs_wallet);
2269 [ # # ][ # # ]: 0 : WalletLogPrintf("CommitTransaction:\n%s", tx->ToString()); // NOLINT(bitcoin-unterminated-logprintf)
2270 : :
2271 : : // Add tx to wallet, because if it has change it's also ours,
2272 : : // otherwise just for transaction history.
2273 [ # # ][ # # ]: 0 : CWalletTx* wtx = AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
2274 : 0 : CHECK_NONFATAL(wtx.mapValue.empty());
2275 : 0 : CHECK_NONFATAL(wtx.vOrderForm.empty());
2276 : 0 : wtx.mapValue = std::move(mapValue);
2277 : 0 : wtx.vOrderForm = std::move(orderForm);
2278 : 0 : wtx.fTimeReceivedIsTxTime = true;
2279 : 0 : wtx.fFromMe = true;
2280 : 0 : return true;
2281 : : });
2282 : :
2283 : : // wtx can only be null if the db write failed.
2284 [ # # ]: 0 : if (!wtx) {
2285 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": Wallet db error, transaction commit failed");
[ # # ][ # # ]
2286 : : }
2287 : :
2288 : : // Notify that old coins are spent
2289 [ # # ]: 0 : for (const CTxIn& txin : tx->vin) {
2290 [ # # ]: 0 : CWalletTx &coin = mapWallet.at(txin.prevout.hash);
2291 [ # # ]: 0 : coin.MarkDirty();
2292 [ # # ][ # # ]: 0 : NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
2293 : : }
2294 : :
2295 [ # # ]: 0 : if (!fBroadcastTransactions) {
2296 : : // Don't submit tx to the mempool
2297 : 0 : return;
2298 : : }
2299 : :
2300 : 0 : std::string err_string;
2301 [ # # ][ # # ]: 0 : if (!SubmitTxMemoryPoolAndRelay(*wtx, err_string, true)) {
2302 [ # # ][ # # ]: 0 : WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
2303 : : // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
2304 : 0 : }
2305 : 0 : }
2306 : :
2307 : 0 : DBErrors CWallet::LoadWallet()
2308 : : {
2309 : 0 : LOCK(cs_wallet);
2310 : :
2311 [ # # ][ # # ]: 0 : DBErrors nLoadWalletRet = WalletBatch(GetDatabase()).LoadWallet(this);
[ # # ]
2312 [ # # ]: 0 : if (nLoadWalletRet == DBErrors::NEED_REWRITE)
2313 : : {
2314 [ # # ][ # # ]: 0 : if (GetDatabase().Rewrite("\x04pool"))
[ # # ]
2315 : : {
2316 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
2317 [ # # ]: 0 : spk_man_pair.second->RewriteDB();
2318 : : }
2319 : 0 : }
2320 : 0 : }
2321 : :
2322 [ # # ]: 0 : if (m_spk_managers.empty()) {
2323 [ # # ]: 0 : assert(m_external_spk_managers.empty());
2324 [ # # ]: 0 : assert(m_internal_spk_managers.empty());
2325 : 0 : }
2326 : :
2327 : 0 : return nLoadWalletRet;
2328 : 0 : }
2329 : :
2330 : 0 : DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut)
2331 : : {
2332 : 0 : AssertLockHeld(cs_wallet);
2333 [ # # ]: 0 : DBErrors nZapSelectTxRet = WalletBatch(GetDatabase()).ZapSelectTx(vHashIn, vHashOut);
2334 [ # # ]: 0 : for (const uint256& hash : vHashOut) {
2335 : 0 : const auto& it = mapWallet.find(hash);
2336 : 0 : wtxOrdered.erase(it->second.m_it_wtxOrdered);
2337 [ # # ]: 0 : for (const auto& txin : it->second.tx->vin)
2338 : 0 : mapTxSpends.erase(txin.prevout);
2339 : 0 : mapWallet.erase(it);
2340 : 0 : NotifyTransactionChanged(hash, CT_DELETED);
2341 : : }
2342 : :
2343 [ # # ]: 0 : if (nZapSelectTxRet == DBErrors::NEED_REWRITE)
2344 : : {
2345 [ # # ]: 0 : if (GetDatabase().Rewrite("\x04pool"))
2346 : : {
2347 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
2348 : 0 : spk_man_pair.second->RewriteDB();
2349 : : }
2350 : 0 : }
2351 : 0 : }
2352 : :
2353 [ # # ]: 0 : if (nZapSelectTxRet != DBErrors::LOAD_OK)
2354 : 0 : return nZapSelectTxRet;
2355 : :
2356 : 0 : MarkDirty();
2357 : :
2358 : 0 : return DBErrors::LOAD_OK;
2359 : 0 : }
2360 : :
2361 : 0 : bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& new_purpose)
2362 : : {
2363 : 0 : bool fUpdated = false;
2364 : : bool is_mine;
2365 : 0 : std::optional<AddressPurpose> purpose;
2366 : : {
2367 : 0 : LOCK(cs_wallet);
2368 [ # # ]: 0 : std::map<CTxDestination, CAddressBookData>::iterator mi = m_address_book.find(address);
2369 [ # # ][ # # ]: 0 : fUpdated = (mi != m_address_book.end() && !mi->second.IsChange());
2370 [ # # ][ # # ]: 0 : m_address_book[address].SetLabel(strName);
[ # # ]
2371 [ # # ]: 0 : is_mine = IsMine(address) != ISMINE_NO;
2372 [ # # ]: 0 : if (new_purpose) { /* update purpose only if requested */
2373 [ # # ]: 0 : purpose = m_address_book[address].purpose = new_purpose;
2374 : 0 : } else {
2375 [ # # ]: 0 : purpose = m_address_book[address].purpose;
2376 : : }
2377 : 0 : }
2378 : : // In very old wallets, address purpose may not be recorded so we derive it from IsMine
2379 : 0 : NotifyAddressBookChanged(address, strName, is_mine,
2380 : 0 : purpose.value_or(is_mine ? AddressPurpose::RECEIVE : AddressPurpose::SEND),
2381 : 0 : (fUpdated ? CT_UPDATED : CT_NEW));
2382 [ # # ][ # # ]: 0 : if (new_purpose && !batch.WritePurpose(EncodeDestination(address), PurposeToString(*new_purpose)))
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
2383 : 0 : return false;
2384 [ # # ]: 0 : return batch.WriteName(EncodeDestination(address), strName);
2385 : 0 : }
2386 : :
2387 : 0 : bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& purpose)
2388 : : {
2389 : 0 : WalletBatch batch(GetDatabase());
2390 [ # # ]: 0 : return SetAddressBookWithDB(batch, address, strName, purpose);
2391 : 0 : }
2392 : :
2393 : 0 : bool CWallet::DelAddressBook(const CTxDestination& address)
2394 : : {
2395 : 0 : WalletBatch batch(GetDatabase());
2396 : : {
2397 [ # # ][ # # ]: 0 : LOCK(cs_wallet);
2398 : : // If we want to delete receiving addresses, we should avoid calling EraseAddressData because it will delete the previously_spent value. Could instead just erase the label so it becomes a change address, and keep the data.
2399 : : // NOTE: This isn't a problem for sending addresses because they don't have any data that needs to be kept.
2400 : : // When adding new address data, it should be considered here whether to retain or delete it.
2401 [ # # ][ # # ]: 0 : if (IsMine(address)) {
2402 [ # # ]: 0 : WalletLogPrintf("%s called with IsMine address, NOT SUPPORTED. Please report this bug! %s\n", __func__, PACKAGE_BUGREPORT);
2403 : 0 : return false;
2404 : : }
2405 : : // Delete data rows associated with this address
2406 [ # # ]: 0 : batch.EraseAddressData(address);
2407 [ # # ]: 0 : m_address_book.erase(address);
2408 [ # # ]: 0 : }
2409 : :
2410 [ # # ][ # # ]: 0 : NotifyAddressBookChanged(address, "", /*is_mine=*/false, AddressPurpose::SEND, CT_DELETED);
2411 : :
2412 [ # # ][ # # ]: 0 : batch.ErasePurpose(EncodeDestination(address));
2413 [ # # ][ # # ]: 0 : return batch.EraseName(EncodeDestination(address));
2414 : 0 : }
2415 : :
2416 : 0 : size_t CWallet::KeypoolCountExternalKeys() const
2417 : : {
2418 : 0 : AssertLockHeld(cs_wallet);
2419 : :
2420 : 0 : auto legacy_spk_man = GetLegacyScriptPubKeyMan();
2421 [ # # ]: 0 : if (legacy_spk_man) {
2422 : 0 : return legacy_spk_man->KeypoolCountExternalKeys();
2423 : : }
2424 : :
2425 : 0 : unsigned int count = 0;
2426 [ # # ]: 0 : for (auto spk_man : m_external_spk_managers) {
2427 : 0 : count += spk_man.second->GetKeyPoolSize();
2428 : : }
2429 : :
2430 : 0 : return count;
2431 : 0 : }
2432 : :
2433 : 0 : unsigned int CWallet::GetKeyPoolSize() const
2434 : : {
2435 : 0 : AssertLockHeld(cs_wallet);
2436 : :
2437 : 0 : unsigned int count = 0;
2438 [ # # ]: 0 : for (auto spk_man : GetActiveScriptPubKeyMans()) {
2439 [ # # ]: 0 : count += spk_man->GetKeyPoolSize();
2440 : : }
2441 : 0 : return count;
2442 : 0 : }
2443 : :
2444 : 0 : bool CWallet::TopUpKeyPool(unsigned int kpSize)
2445 : : {
2446 : 0 : LOCK(cs_wallet);
2447 : 0 : bool res = true;
2448 [ # # ][ # # ]: 0 : for (auto spk_man : GetActiveScriptPubKeyMans()) {
2449 [ # # ]: 0 : res &= spk_man->TopUp(kpSize);
2450 : : }
2451 : 0 : return res;
2452 : 0 : }
2453 : :
2454 : 0 : util::Result<CTxDestination> CWallet::GetNewDestination(const OutputType type, const std::string label)
2455 : : {
2456 : 0 : LOCK(cs_wallet);
2457 [ # # ]: 0 : auto spk_man = GetScriptPubKeyMan(type, /*internal=*/false);
2458 [ # # ]: 0 : if (!spk_man) {
2459 [ # # ][ # # ]: 0 : return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
[ # # ][ # # ]
2460 : : }
2461 : :
2462 [ # # ]: 0 : auto op_dest = spk_man->GetNewDestination(type);
2463 [ # # ]: 0 : if (op_dest) {
2464 [ # # ][ # # ]: 0 : SetAddressBook(*op_dest, label, AddressPurpose::RECEIVE);
2465 : 0 : }
2466 : :
2467 : 0 : return op_dest;
2468 [ # # ]: 0 : }
2469 : :
2470 : 0 : util::Result<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type)
2471 : : {
2472 : 0 : LOCK(cs_wallet);
2473 : :
2474 [ # # ]: 0 : ReserveDestination reservedest(this, type);
2475 [ # # ]: 0 : auto op_dest = reservedest.GetReservedDestination(true);
2476 [ # # ][ # # ]: 0 : if (op_dest) reservedest.KeepDestination();
2477 : :
2478 : 0 : return op_dest;
2479 [ # # ]: 0 : }
2480 : :
2481 : 0 : std::optional<int64_t> CWallet::GetOldestKeyPoolTime() const
2482 : : {
2483 : 0 : LOCK(cs_wallet);
2484 [ # # ]: 0 : if (m_spk_managers.empty()) {
2485 : 0 : return std::nullopt;
2486 : : }
2487 : :
2488 : 0 : std::optional<int64_t> oldest_key{std::numeric_limits<int64_t>::max()};
2489 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
2490 [ # # ][ # # ]: 0 : oldest_key = std::min(oldest_key, spk_man_pair.second->GetOldestKeyPoolTime());
2491 : : }
2492 : 0 : return oldest_key;
2493 : 0 : }
2494 : :
2495 : 0 : void CWallet::MarkDestinationsDirty(const std::set<CTxDestination>& destinations) {
2496 [ # # ]: 0 : for (auto& entry : mapWallet) {
2497 : 0 : CWalletTx& wtx = entry.second;
2498 [ # # ]: 0 : if (wtx.m_is_cache_empty) continue;
2499 [ # # ]: 0 : for (unsigned int i = 0; i < wtx.tx->vout.size(); i++) {
2500 : 0 : CTxDestination dst;
2501 [ # # ][ # # ]: 0 : if (ExtractDestination(wtx.tx->vout[i].scriptPubKey, dst) && destinations.count(dst)) {
[ # # ][ # # ]
2502 [ # # ]: 0 : wtx.MarkDirty();
2503 : 0 : break;
2504 : : }
2505 [ # # # ]: 0 : }
2506 : : }
2507 : 0 : }
2508 : :
2509 : 0 : void CWallet::ForEachAddrBookEntry(const ListAddrBookFunc& func) const
2510 : : {
2511 : 0 : AssertLockHeld(cs_wallet);
2512 [ # # ]: 0 : for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book) {
2513 : 0 : const auto& entry = item.second;
2514 [ # # ][ # # ]: 0 : func(item.first, entry.GetLabel(), entry.IsChange(), entry.purpose);
2515 : : }
2516 : 0 : }
2517 : :
2518 : 0 : std::vector<CTxDestination> CWallet::ListAddrBookAddresses(const std::optional<AddrBookFilter>& _filter) const
2519 : : {
2520 : 0 : AssertLockHeld(cs_wallet);
2521 : 0 : std::vector<CTxDestination> result;
2522 [ # # ][ # # ]: 0 : AddrBookFilter filter = _filter ? *_filter : AddrBookFilter();
2523 [ # # ]: 0 : ForEachAddrBookEntry([&result, &filter](const CTxDestination& dest, const std::string& label, bool is_change, const std::optional<AddressPurpose>& purpose) {
2524 : : // Filter by change
2525 [ # # ][ # # ]: 0 : if (filter.ignore_change && is_change) return;
2526 : : // Filter by label
2527 [ # # ][ # # ]: 0 : if (filter.m_op_label && *filter.m_op_label != label) return;
2528 : : // All good
2529 : 0 : result.emplace_back(dest);
2530 : 0 : });
2531 : 0 : return result;
2532 [ # # ]: 0 : }
2533 : :
2534 : 0 : std::set<std::string> CWallet::ListAddrBookLabels(const std::optional<AddressPurpose> purpose) const
2535 : : {
2536 : 0 : AssertLockHeld(cs_wallet);
2537 : 0 : std::set<std::string> label_set;
2538 [ # # ]: 0 : ForEachAddrBookEntry([&](const CTxDestination& _dest, const std::string& _label,
2539 : : bool _is_change, const std::optional<AddressPurpose>& _purpose) {
2540 [ # # ]: 0 : if (_is_change) return;
2541 [ # # ][ # # ]: 0 : if (!purpose || purpose == _purpose) {
2542 : 0 : label_set.insert(_label);
2543 : 0 : }
2544 : 0 : });
2545 : 0 : return label_set;
2546 [ # # ]: 0 : }
2547 : :
2548 : 0 : util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool internal)
2549 : : {
2550 : 0 : m_spk_man = pwallet->GetScriptPubKeyMan(type, internal);
2551 [ # # ]: 0 : if (!m_spk_man) {
2552 [ # # ][ # # ]: 0 : return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
[ # # ]
2553 : : }
2554 : :
2555 [ # # ]: 0 : if (nIndex == -1) {
2556 : 0 : CKeyPool keypool;
2557 : 0 : auto op_address = m_spk_man->GetReservedDestination(type, internal, nIndex, keypool);
2558 [ # # ]: 0 : if (!op_address) return op_address;
2559 [ # # ][ # # ]: 0 : address = *op_address;
2560 : 0 : fInternal = keypool.fInternal;
2561 [ # # ]: 0 : }
2562 [ # # ]: 0 : return address;
2563 : 0 : }
2564 : :
2565 : 0 : void ReserveDestination::KeepDestination()
2566 : : {
2567 [ # # ]: 0 : if (nIndex != -1) {
2568 : 0 : m_spk_man->KeepDestination(nIndex, type);
2569 : 0 : }
2570 : 0 : nIndex = -1;
2571 : 0 : address = CNoDestination();
2572 : 0 : }
2573 : :
2574 : 0 : void ReserveDestination::ReturnDestination()
2575 : : {
2576 [ # # ]: 0 : if (nIndex != -1) {
2577 : 0 : m_spk_man->ReturnDestination(nIndex, fInternal, address);
2578 : 0 : }
2579 : 0 : nIndex = -1;
2580 : 0 : address = CNoDestination();
2581 : 0 : }
2582 : :
2583 : 0 : bool CWallet::DisplayAddress(const CTxDestination& dest)
2584 : : {
2585 : 0 : CScript scriptPubKey = GetScriptForDestination(dest);
2586 [ # # ][ # # ]: 0 : for (const auto& spk_man : GetScriptPubKeyMans(scriptPubKey)) {
[ # # ]
2587 [ # # ]: 0 : auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan *>(spk_man);
2588 [ # # ]: 0 : if (signer_spk_man == nullptr) {
2589 : 0 : continue;
2590 : : }
2591 [ # # ]: 0 : ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
2592 [ # # ][ # # ]: 0 : return signer_spk_man->DisplayAddress(scriptPubKey, signer);
2593 : 0 : }
2594 : 0 : return false;
2595 : 0 : }
2596 : :
2597 : 0 : bool CWallet::LockCoin(const COutPoint& output, WalletBatch* batch)
2598 : : {
2599 : 0 : AssertLockHeld(cs_wallet);
2600 : 0 : setLockedCoins.insert(output);
2601 [ # # ]: 0 : if (batch) {
2602 : 0 : return batch->WriteLockedUTXO(output);
2603 : : }
2604 : 0 : return true;
2605 : 0 : }
2606 : :
2607 : 0 : bool CWallet::UnlockCoin(const COutPoint& output, WalletBatch* batch)
2608 : : {
2609 : 0 : AssertLockHeld(cs_wallet);
2610 : 0 : bool was_locked = setLockedCoins.erase(output);
2611 [ # # ][ # # ]: 0 : if (batch && was_locked) {
2612 : 0 : return batch->EraseLockedUTXO(output);
2613 : : }
2614 : 0 : return true;
2615 : 0 : }
2616 : :
2617 : 0 : bool CWallet::UnlockAllCoins()
2618 : : {
2619 : 0 : AssertLockHeld(cs_wallet);
2620 : 0 : bool success = true;
2621 : 0 : WalletBatch batch(GetDatabase());
2622 [ # # ]: 0 : for (auto it = setLockedCoins.begin(); it != setLockedCoins.end(); ++it) {
2623 [ # # ]: 0 : success &= batch.EraseLockedUTXO(*it);
2624 : 0 : }
2625 : 0 : setLockedCoins.clear();
2626 : 0 : return success;
2627 : 0 : }
2628 : :
2629 : 0 : bool CWallet::IsLockedCoin(const COutPoint& output) const
2630 : : {
2631 : 0 : AssertLockHeld(cs_wallet);
2632 : 0 : return setLockedCoins.count(output) > 0;
2633 : : }
2634 : :
2635 : 0 : void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
2636 : : {
2637 : 0 : AssertLockHeld(cs_wallet);
2638 [ # # ]: 0 : for (std::set<COutPoint>::iterator it = setLockedCoins.begin();
2639 : 0 : it != setLockedCoins.end(); it++) {
2640 : 0 : COutPoint outpt = (*it);
2641 : 0 : vOutpts.push_back(outpt);
2642 : 0 : }
2643 : 0 : }
2644 : :
2645 : : /** @} */ // end of Actions
2646 : :
2647 : 0 : void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t>& mapKeyBirth) const {
2648 : 0 : AssertLockHeld(cs_wallet);
2649 : 0 : mapKeyBirth.clear();
2650 : :
2651 : : // map in which we'll infer heights of other keys
2652 : 0 : std::map<CKeyID, const TxStateConfirmed*> mapKeyFirstBlock;
2653 [ # # ][ # # ]: 0 : TxStateConfirmed max_confirm{uint256{}, /*height=*/-1, /*index=*/-1};
2654 [ # # ][ # # ]: 0 : max_confirm.confirmed_block_height = GetLastBlockHeight() > 144 ? GetLastBlockHeight() - 144 : 0; // the tip can be reorganized; use a 144-block safety margin
[ # # ]
2655 [ # # ][ # # ]: 0 : CHECK_NONFATAL(chain().findAncestorByHeight(GetLastBlockHash(), max_confirm.confirmed_block_height, FoundBlock().hash(max_confirm.confirmed_block_hash)));
[ # # ][ # # ]
[ # # ]
2656 : :
2657 : : {
2658 [ # # ]: 0 : LegacyScriptPubKeyMan* spk_man = GetLegacyScriptPubKeyMan();
2659 [ # # ]: 0 : assert(spk_man != nullptr);
2660 [ # # ][ # # ]: 0 : LOCK(spk_man->cs_KeyStore);
2661 : :
2662 : : // get birth times for keys with metadata
2663 [ # # ]: 0 : for (const auto& entry : spk_man->mapKeyMetadata) {
2664 [ # # ]: 0 : if (entry.second.nCreateTime) {
2665 [ # # ]: 0 : mapKeyBirth[entry.first] = entry.second.nCreateTime;
2666 : 0 : }
2667 : : }
2668 : :
2669 : : // Prepare to infer birth heights for keys without metadata
2670 [ # # ][ # # ]: 0 : for (const CKeyID &keyid : spk_man->GetKeys()) {
2671 [ # # ][ # # ]: 0 : if (mapKeyBirth.count(keyid) == 0)
2672 [ # # ]: 0 : mapKeyFirstBlock[keyid] = &max_confirm;
2673 : : }
2674 : :
2675 : : // if there are no such keys, we're done
2676 [ # # ]: 0 : if (mapKeyFirstBlock.empty())
2677 : 0 : return;
2678 : :
2679 : : // find first block that affects those keys, if there are any left
2680 [ # # ]: 0 : for (const auto& entry : mapWallet) {
2681 : : // iterate over all wallet transactions...
2682 : 0 : const CWalletTx &wtx = entry.second;
2683 [ # # ][ # # ]: 0 : if (auto* conf = wtx.state<TxStateConfirmed>()) {
2684 : : // ... which are already in a block
2685 [ # # ]: 0 : for (const CTxOut &txout : wtx.tx->vout) {
2686 : : // iterate over all their outputs
2687 [ # # ][ # # ]: 0 : for (const auto &keyid : GetAffectedKeys(txout.scriptPubKey, *spk_man)) {
2688 : : // ... and all their affected keys
2689 [ # # ]: 0 : auto rit = mapKeyFirstBlock.find(keyid);
2690 [ # # ][ # # ]: 0 : if (rit != mapKeyFirstBlock.end() && conf->confirmed_block_height < rit->second->confirmed_block_height) {
2691 : 0 : rit->second = conf;
2692 : 0 : }
2693 : : }
2694 : : }
2695 : 0 : }
2696 : : }
2697 [ # # ]: 0 : }
2698 : :
2699 : : // Extract block timestamps for those keys
2700 [ # # ]: 0 : for (const auto& entry : mapKeyFirstBlock) {
2701 : : int64_t block_time;
2702 [ # # ][ # # ]: 0 : CHECK_NONFATAL(chain().findBlock(entry.second->confirmed_block_hash, FoundBlock().time(block_time)));
[ # # ][ # # ]
2703 [ # # ]: 0 : mapKeyBirth[entry.first] = block_time - TIMESTAMP_WINDOW; // block times can be 2h off
2704 : : }
2705 [ # # ]: 0 : }
2706 : :
2707 : : /**
2708 : : * Compute smart timestamp for a transaction being added to the wallet.
2709 : : *
2710 : : * Logic:
2711 : : * - If sending a transaction, assign its timestamp to the current time.
2712 : : * - If receiving a transaction outside a block, assign its timestamp to the
2713 : : * current time.
2714 : : * - If receiving a transaction during a rescanning process, assign all its
2715 : : * (not already known) transactions' timestamps to the block time.
2716 : : * - If receiving a block with a future timestamp, assign all its (not already
2717 : : * known) transactions' timestamps to the current time.
2718 : : * - If receiving a block with a past timestamp, before the most recent known
2719 : : * transaction (that we care about), assign all its (not already known)
2720 : : * transactions' timestamps to the same timestamp as that most-recent-known
2721 : : * transaction.
2722 : : * - If receiving a block with a past timestamp, but after the most recent known
2723 : : * transaction, assign all its (not already known) transactions' timestamps to
2724 : : * the block time.
2725 : : *
2726 : : * For more information see CWalletTx::nTimeSmart,
2727 : : * https://bitcointalk.org/?topic=54527, or
2728 : : * https://github.com/bitcoin/bitcoin/pull/1393.
2729 : : */
2730 : 0 : unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx, bool rescanning_old_block) const
2731 : : {
2732 : 0 : std::optional<uint256> block_hash;
2733 [ # # ]: 0 : if (auto* conf = wtx.state<TxStateConfirmed>()) {
2734 : 0 : block_hash = conf->confirmed_block_hash;
2735 [ # # ]: 0 : } else if (auto* conf = wtx.state<TxStateConflicted>()) {
2736 : 0 : block_hash = conf->conflicting_block_hash;
2737 : 0 : }
2738 : :
2739 : 0 : unsigned int nTimeSmart = wtx.nTimeReceived;
2740 [ # # ]: 0 : if (block_hash) {
2741 : : int64_t blocktime;
2742 : : int64_t block_max_time;
2743 [ # # ]: 0 : if (chain().findBlock(*block_hash, FoundBlock().time(blocktime).maxTime(block_max_time))) {
2744 [ # # ]: 0 : if (rescanning_old_block) {
2745 : 0 : nTimeSmart = block_max_time;
2746 : 0 : } else {
2747 : 0 : int64_t latestNow = wtx.nTimeReceived;
2748 : 0 : int64_t latestEntry = 0;
2749 : :
2750 : : // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
2751 : 0 : int64_t latestTolerated = latestNow + 300;
2752 : 0 : const TxItems& txOrdered = wtxOrdered;
2753 [ # # ]: 0 : for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
2754 : 0 : CWalletTx* const pwtx = it->second;
2755 [ # # ]: 0 : if (pwtx == &wtx) {
2756 : 0 : continue;
2757 : : }
2758 : : int64_t nSmartTime;
2759 : 0 : nSmartTime = pwtx->nTimeSmart;
2760 [ # # ]: 0 : if (!nSmartTime) {
2761 : 0 : nSmartTime = pwtx->nTimeReceived;
2762 : 0 : }
2763 [ # # ]: 0 : if (nSmartTime <= latestTolerated) {
2764 : 0 : latestEntry = nSmartTime;
2765 [ # # ]: 0 : if (nSmartTime > latestNow) {
2766 : 0 : latestNow = nSmartTime;
2767 : 0 : }
2768 : 0 : break;
2769 : : }
2770 : 0 : }
2771 : :
2772 : 0 : nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
2773 : : }
2774 : 0 : } else {
2775 [ # # ][ # # ]: 0 : WalletLogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), block_hash->ToString());
2776 : : }
2777 : 0 : }
2778 : 0 : return nTimeSmart;
2779 : 0 : }
2780 : :
2781 : 0 : bool CWallet::SetAddressPreviouslySpent(WalletBatch& batch, const CTxDestination& dest, bool used)
2782 : : {
2783 [ # # ]: 0 : if (std::get_if<CNoDestination>(&dest))
2784 : 0 : return false;
2785 : :
2786 [ # # ]: 0 : if (!used) {
2787 [ # # ]: 0 : if (auto* data{common::FindKey(m_address_book, dest)}) data->previously_spent = false;
2788 : 0 : return batch.WriteAddressPreviouslySpent(dest, false);
2789 : : }
2790 : :
2791 : 0 : LoadAddressPreviouslySpent(dest);
2792 : 0 : return batch.WriteAddressPreviouslySpent(dest, true);
2793 : 0 : }
2794 : :
2795 : 0 : void CWallet::LoadAddressPreviouslySpent(const CTxDestination& dest)
2796 : : {
2797 : 0 : m_address_book[dest].previously_spent = true;
2798 : 0 : }
2799 : :
2800 : 0 : void CWallet::LoadAddressReceiveRequest(const CTxDestination& dest, const std::string& id, const std::string& request)
2801 : : {
2802 : 0 : m_address_book[dest].receive_requests[id] = request;
2803 : 0 : }
2804 : :
2805 : 0 : bool CWallet::IsAddressPreviouslySpent(const CTxDestination& dest) const
2806 : : {
2807 [ # # ]: 0 : if (auto* data{common::FindKey(m_address_book, dest)}) return data->previously_spent;
2808 : 0 : return false;
2809 : 0 : }
2810 : :
2811 : 0 : std::vector<std::string> CWallet::GetAddressReceiveRequests() const
2812 : : {
2813 : 0 : std::vector<std::string> values;
2814 [ # # ]: 0 : for (const auto& [dest, entry] : m_address_book) {
2815 [ # # ]: 0 : for (const auto& [id, request] : entry.receive_requests) {
2816 [ # # ]: 0 : values.emplace_back(request);
2817 : : }
2818 : : }
2819 : 0 : return values;
2820 [ # # ]: 0 : }
2821 : :
2822 : 0 : bool CWallet::SetAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id, const std::string& value)
2823 : : {
2824 [ # # ]: 0 : if (!batch.WriteAddressReceiveRequest(dest, id, value)) return false;
2825 : 0 : m_address_book[dest].receive_requests[id] = value;
2826 : 0 : return true;
2827 : 0 : }
2828 : :
2829 : 0 : bool CWallet::EraseAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id)
2830 : : {
2831 [ # # ]: 0 : if (!batch.EraseAddressReceiveRequest(dest, id)) return false;
2832 : 0 : m_address_book[dest].receive_requests.erase(id);
2833 : 0 : return true;
2834 : 0 : }
2835 : :
2836 : 0 : std::unique_ptr<WalletDatabase> MakeWalletDatabase(const std::string& name, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error_string)
2837 : : {
2838 : : // Do some checking on wallet path. It should be either a:
2839 : : //
2840 : : // 1. Path where a directory can be created.
2841 : : // 2. Path to an existing directory.
2842 : : // 3. Path to a symlink to a directory.
2843 : : // 4. For backwards compatibility, the name of a data file in -walletdir.
2844 [ # # ][ # # ]: 0 : const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(name));
2845 [ # # ]: 0 : fs::file_type path_type = fs::symlink_status(wallet_path).type();
2846 [ # # ][ # # ]: 0 : if (!(path_type == fs::file_type::not_found || path_type == fs::file_type::directory ||
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
2847 [ # # ][ # # ]: 0 : (path_type == fs::file_type::symlink && fs::is_directory(wallet_path)) ||
[ # # ]
2848 [ # # ][ # # ]: 0 : (path_type == fs::file_type::regular && fs::PathFromString(name).filename() == fs::PathFromString(name)))) {
[ # # ][ # # ]
2849 [ # # ][ # # ]: 0 : error_string = Untranslated(strprintf(
2850 : : "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
2851 : : "database/log.?????????? files can be stored, a location where such a directory could be created, "
2852 : : "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
2853 [ # # ][ # # ]: 0 : name, fs::quoted(fs::PathToString(GetWalletDir()))));
[ # # ]
2854 : 0 : status = DatabaseStatus::FAILED_BAD_PATH;
2855 : 0 : return nullptr;
2856 : : }
2857 [ # # ]: 0 : return MakeDatabase(wallet_path, options, status, error_string);
2858 : 0 : }
2859 : :
2860 : 0 : std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::string& name, std::unique_ptr<WalletDatabase> database, uint64_t wallet_creation_flags, bilingual_str& error, std::vector<bilingual_str>& warnings)
2861 : : {
2862 : 0 : interfaces::Chain* chain = context.chain;
2863 : 0 : ArgsManager& args = *Assert(context.args);
2864 : 0 : const std::string& walletFile = database->Filename();
2865 : :
2866 : 0 : const auto start{SteadyClock::now()};
2867 : : // TODO: Can't use std::make_shared because we need a custom deleter but
2868 : : // should be possible to use std::allocate_shared.
2869 [ # # ][ # # ]: 0 : std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), ReleaseWallet);
[ # # ][ # # ]
2870 [ # # ][ # # ]: 0 : walletInstance->m_keypool_size = std::max(args.GetIntArg("-keypool", DEFAULT_KEYPOOL_SIZE), int64_t{1});
[ # # ]
2871 [ # # ][ # # ]: 0 : walletInstance->m_notify_tx_changed_script = args.GetArg("-walletnotify", "");
[ # # ]
2872 : :
2873 : : // Load wallet
2874 : 0 : bool rescan_required = false;
2875 [ # # ]: 0 : DBErrors nLoadWalletRet = walletInstance->LoadWallet();
2876 [ # # ]: 0 : if (nLoadWalletRet != DBErrors::LOAD_OK) {
2877 [ # # ]: 0 : if (nLoadWalletRet == DBErrors::CORRUPT) {
2878 [ # # ][ # # ]: 0 : error = strprintf(_("Error loading %s: Wallet corrupted"), walletFile);
2879 : 0 : return nullptr;
2880 : : }
2881 [ # # ]: 0 : else if (nLoadWalletRet == DBErrors::NONCRITICAL_ERROR)
2882 : : {
2883 [ # # ][ # # ]: 0 : warnings.push_back(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
[ # # ]
2884 : : " or address metadata may be missing or incorrect."),
2885 : 0 : walletFile));
2886 : 0 : }
2887 [ # # ]: 0 : else if (nLoadWalletRet == DBErrors::TOO_NEW) {
2888 [ # # ][ # # ]: 0 : error = strprintf(_("Error loading %s: Wallet requires newer version of %s"), walletFile, PACKAGE_NAME);
2889 : 0 : return nullptr;
2890 : : }
2891 [ # # ]: 0 : else if (nLoadWalletRet == DBErrors::EXTERNAL_SIGNER_SUPPORT_REQUIRED) {
2892 [ # # ][ # # ]: 0 : error = strprintf(_("Error loading %s: External signer wallet being loaded without external signer support compiled"), walletFile);
2893 : 0 : return nullptr;
2894 : : }
2895 [ # # ]: 0 : else if (nLoadWalletRet == DBErrors::NEED_REWRITE)
2896 : : {
2897 [ # # ][ # # ]: 0 : error = strprintf(_("Wallet needed to be rewritten: restart %s to complete"), PACKAGE_NAME);
2898 : 0 : return nullptr;
2899 [ # # ]: 0 : } else if (nLoadWalletRet == DBErrors::NEED_RESCAN) {
2900 [ # # ][ # # ]: 0 : warnings.push_back(strprintf(_("Error reading %s! Transaction data may be missing or incorrect."
[ # # ]
2901 : 0 : " Rescanning wallet."), walletFile));
2902 : 0 : rescan_required = true;
2903 [ # # ]: 0 : } else if (nLoadWalletRet == DBErrors::UNKNOWN_DESCRIPTOR) {
2904 [ # # ][ # # ]: 0 : error = strprintf(_("Unrecognized descriptor found. Loading wallet %s\n\n"
2905 : : "The wallet might had been created on a newer version.\n"
2906 : 0 : "Please try running the latest software version.\n"), walletFile);
2907 : 0 : return nullptr;
2908 [ # # ]: 0 : } else if (nLoadWalletRet == DBErrors::UNEXPECTED_LEGACY_ENTRY) {
2909 [ # # ][ # # ]: 0 : error = strprintf(_("Unexpected legacy entry in descriptor wallet found. Loading wallet %s\n\n"
2910 : 0 : "The wallet might have been tampered with or created with malicious intent.\n"), walletFile);
2911 : 0 : return nullptr;
2912 : : } else {
2913 [ # # ][ # # ]: 0 : error = strprintf(_("Error loading %s"), walletFile);
2914 : 0 : return nullptr;
2915 : : }
2916 : 0 : }
2917 : :
2918 : : // This wallet is in its first run if there are no ScriptPubKeyMans and it isn't blank or no privkeys
2919 [ # # ]: 0 : const bool fFirstRun = walletInstance->m_spk_managers.empty() &&
2920 [ # # ]: 0 : !walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) &&
2921 : 0 : !walletInstance->IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
2922 [ # # ]: 0 : if (fFirstRun)
2923 : : {
2924 : : // ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key
2925 [ # # ]: 0 : walletInstance->SetMinVersion(FEATURE_LATEST);
2926 : :
2927 [ # # ]: 0 : walletInstance->InitWalletFlags(wallet_creation_flags);
2928 : :
2929 : : // Only create LegacyScriptPubKeyMan when not descriptor wallet
2930 [ # # ]: 0 : if (!walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
2931 [ # # ]: 0 : walletInstance->SetupLegacyScriptPubKeyMan();
2932 : 0 : }
2933 : :
2934 [ # # ][ # # ]: 0 : if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) || !(wallet_creation_flags & (WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET))) {
2935 [ # # ][ # # ]: 0 : LOCK(walletInstance->cs_wallet);
2936 [ # # ]: 0 : if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
2937 [ # # ]: 0 : walletInstance->SetupDescriptorScriptPubKeyMans();
2938 : : // SetupDescriptorScriptPubKeyMans already calls SetupGeneration for us so we don't need to call SetupGeneration separately
2939 : 0 : } else {
2940 : : // Legacy wallets need SetupGeneration here.
2941 [ # # ][ # # ]: 0 : for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
[ # # ]
2942 [ # # ][ # # ]: 0 : if (!spk_man->SetupGeneration()) {
2943 [ # # ]: 0 : error = _("Unable to generate initial keys");
2944 : 0 : return nullptr;
2945 : : }
2946 : : }
2947 : : }
2948 [ # # ]: 0 : }
2949 : :
2950 [ # # ]: 0 : if (chain) {
2951 [ # # ][ # # ]: 0 : walletInstance->chainStateFlushed(ChainstateRole::NORMAL, chain->getTipLocator());
2952 : 0 : }
2953 [ # # ]: 0 : } else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) {
2954 : : // Make it impossible to disable private keys after creation
2955 [ # # ][ # # ]: 0 : error = strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile);
2956 : 0 : return nullptr;
2957 [ # # ]: 0 : } else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
2958 [ # # ][ # # ]: 0 : for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
2959 [ # # ][ # # ]: 0 : if (spk_man->HavePrivateKeys()) {
2960 [ # # ][ # # ]: 0 : warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
[ # # ]
2961 : 0 : break;
2962 : : }
2963 : : }
2964 : 0 : }
2965 : :
2966 [ # # ][ # # ]: 0 : if (!args.GetArg("-addresstype", "").empty()) {
[ # # ][ # # ]
2967 [ # # ][ # # ]: 0 : std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-addresstype", ""));
[ # # ][ # # ]
2968 [ # # ]: 0 : if (!parsed) {
2969 [ # # ][ # # ]: 0 : error = strprintf(_("Unknown address type '%s'"), args.GetArg("-addresstype", ""));
[ # # ][ # # ]
[ # # ]
2970 : 0 : return nullptr;
2971 : : }
2972 [ # # ]: 0 : walletInstance->m_default_address_type = parsed.value();
2973 : 0 : }
2974 : :
2975 [ # # ][ # # ]: 0 : if (!args.GetArg("-changetype", "").empty()) {
[ # # ][ # # ]
2976 [ # # ][ # # ]: 0 : std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-changetype", ""));
[ # # ][ # # ]
2977 [ # # ]: 0 : if (!parsed) {
2978 [ # # ][ # # ]: 0 : error = strprintf(_("Unknown change type '%s'"), args.GetArg("-changetype", ""));
[ # # ][ # # ]
[ # # ]
2979 : 0 : return nullptr;
2980 : : }
2981 [ # # ]: 0 : walletInstance->m_default_change_type = parsed.value();
2982 : 0 : }
2983 : :
2984 [ # # ][ # # ]: 0 : if (args.IsArgSet("-mintxfee")) {
[ # # ]
2985 [ # # ][ # # ]: 0 : std::optional<CAmount> min_tx_fee = ParseMoney(args.GetArg("-mintxfee", ""));
[ # # ][ # # ]
2986 [ # # ]: 0 : if (!min_tx_fee) {
2987 [ # # ][ # # ]: 0 : error = AmountErrMsg("mintxfee", args.GetArg("-mintxfee", ""));
[ # # ][ # # ]
[ # # ]
2988 : 0 : return nullptr;
2989 [ # # ][ # # ]: 0 : } else if (min_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
2990 [ # # ][ # # ]: 0 : warnings.push_back(AmountHighWarn("-mintxfee") + Untranslated(" ") +
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
2991 [ # # ]: 0 : _("This is the minimum transaction fee you pay on every transaction."));
2992 : 0 : }
2993 : :
2994 [ # # ][ # # ]: 0 : walletInstance->m_min_fee = CFeeRate{min_tx_fee.value()};
2995 : 0 : }
2996 : :
2997 [ # # ][ # # ]: 0 : if (args.IsArgSet("-maxapsfee")) {
[ # # ]
2998 [ # # ][ # # ]: 0 : const std::string max_aps_fee{args.GetArg("-maxapsfee", "")};
[ # # ]
2999 [ # # ][ # # ]: 0 : if (max_aps_fee == "-1") {
3000 : 0 : walletInstance->m_max_aps_fee = -1;
3001 [ # # ][ # # ]: 0 : } else if (std::optional<CAmount> max_fee = ParseMoney(max_aps_fee)) {
3002 [ # # ][ # # ]: 0 : if (max_fee.value() > HIGH_APS_FEE) {
3003 [ # # ][ # # ]: 0 : warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") +
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
3004 [ # # ]: 0 : _("This is the maximum transaction fee you pay (in addition to the normal fee) to prioritize partial spend avoidance over regular coin selection."));
3005 : 0 : }
3006 [ # # ]: 0 : walletInstance->m_max_aps_fee = max_fee.value();
3007 : 0 : } else {
3008 [ # # ][ # # ]: 0 : error = AmountErrMsg("maxapsfee", max_aps_fee);
3009 : 0 : return nullptr;
3010 : : }
3011 [ # # ]: 0 : }
3012 : :
3013 [ # # ][ # # ]: 0 : if (args.IsArgSet("-fallbackfee")) {
[ # # ]
3014 [ # # ][ # # ]: 0 : std::optional<CAmount> fallback_fee = ParseMoney(args.GetArg("-fallbackfee", ""));
[ # # ][ # # ]
3015 [ # # ]: 0 : if (!fallback_fee) {
3016 [ # # ][ # # ]: 0 : error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-fallbackfee", args.GetArg("-fallbackfee", ""));
[ # # ][ # # ]
[ # # ]
3017 : 0 : return nullptr;
3018 [ # # ][ # # ]: 0 : } else if (fallback_fee.value() > HIGH_TX_FEE_PER_KB) {
3019 [ # # ][ # # ]: 0 : warnings.push_back(AmountHighWarn("-fallbackfee") + Untranslated(" ") +
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
3020 [ # # ]: 0 : _("This is the transaction fee you may pay when fee estimates are not available."));
3021 : 0 : }
3022 [ # # ][ # # ]: 0 : walletInstance->m_fallback_fee = CFeeRate{fallback_fee.value()};
3023 : 0 : }
3024 : :
3025 : : // Disable fallback fee in case value was set to 0, enable if non-null value
3026 [ # # ]: 0 : walletInstance->m_allow_fallback_fee = walletInstance->m_fallback_fee.GetFeePerK() != 0;
3027 : :
3028 [ # # ][ # # ]: 0 : if (args.IsArgSet("-discardfee")) {
[ # # ]
3029 [ # # ][ # # ]: 0 : std::optional<CAmount> discard_fee = ParseMoney(args.GetArg("-discardfee", ""));
[ # # ][ # # ]
3030 [ # # ]: 0 : if (!discard_fee) {
3031 [ # # ][ # # ]: 0 : error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-discardfee", args.GetArg("-discardfee", ""));
[ # # ][ # # ]
[ # # ]
3032 : 0 : return nullptr;
3033 [ # # ][ # # ]: 0 : } else if (discard_fee.value() > HIGH_TX_FEE_PER_KB) {
3034 [ # # ][ # # ]: 0 : warnings.push_back(AmountHighWarn("-discardfee") + Untranslated(" ") +
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
3035 [ # # ]: 0 : _("This is the transaction fee you may discard if change is smaller than dust at this level"));
3036 : 0 : }
3037 [ # # ][ # # ]: 0 : walletInstance->m_discard_rate = CFeeRate{discard_fee.value()};
3038 : 0 : }
3039 : :
3040 [ # # ][ # # ]: 0 : if (args.IsArgSet("-paytxfee")) {
[ # # ]
3041 [ # # ][ # # ]: 0 : std::optional<CAmount> pay_tx_fee = ParseMoney(args.GetArg("-paytxfee", ""));
[ # # ][ # # ]
3042 [ # # ]: 0 : if (!pay_tx_fee) {
3043 [ # # ][ # # ]: 0 : error = AmountErrMsg("paytxfee", args.GetArg("-paytxfee", ""));
[ # # ][ # # ]
[ # # ]
3044 : 0 : return nullptr;
3045 [ # # ][ # # ]: 0 : } else if (pay_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
3046 [ # # ][ # # ]: 0 : warnings.push_back(AmountHighWarn("-paytxfee") + Untranslated(" ") +
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
3047 [ # # ]: 0 : _("This is the transaction fee you will pay if you send a transaction."));
3048 : 0 : }
3049 : :
3050 [ # # ][ # # ]: 0 : walletInstance->m_pay_tx_fee = CFeeRate{pay_tx_fee.value(), 1000};
3051 : :
3052 [ # # ][ # # ]: 0 : if (chain && walletInstance->m_pay_tx_fee < chain->relayMinFee()) {
[ # # ][ # # ]
3053 [ # # ][ # # ]: 0 : error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least %s)"),
3054 [ # # ][ # # ]: 0 : "-paytxfee", args.GetArg("-paytxfee", ""), chain->relayMinFee().ToString());
[ # # ][ # # ]
[ # # ]
3055 : 0 : return nullptr;
3056 : : }
3057 : 0 : }
3058 : :
3059 [ # # ][ # # ]: 0 : if (args.IsArgSet("-maxtxfee")) {
[ # # ]
3060 [ # # ][ # # ]: 0 : std::optional<CAmount> max_fee = ParseMoney(args.GetArg("-maxtxfee", ""));
[ # # ][ # # ]
3061 [ # # ]: 0 : if (!max_fee) {
3062 [ # # ][ # # ]: 0 : error = AmountErrMsg("maxtxfee", args.GetArg("-maxtxfee", ""));
[ # # ][ # # ]
[ # # ]
3063 : 0 : return nullptr;
3064 [ # # ][ # # ]: 0 : } else if (max_fee.value() > HIGH_MAX_TX_FEE) {
3065 [ # # ][ # # ]: 0 : warnings.push_back(strprintf(_("%s is set very high! Fees this large could be paid on a single transaction."), "-maxtxfee"));
[ # # ]
3066 : 0 : }
3067 : :
3068 [ # # ][ # # ]: 0 : if (chain && CFeeRate{max_fee.value(), 1000} < chain->relayMinFee()) {
[ # # ][ # # ]
[ # # ][ # # ]
3069 [ # # ][ # # ]: 0 : error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
3070 [ # # ][ # # ]: 0 : "-maxtxfee", args.GetArg("-maxtxfee", ""), chain->relayMinFee().ToString());
[ # # ][ # # ]
[ # # ]
3071 : 0 : return nullptr;
3072 : : }
3073 : :
3074 [ # # ]: 0 : walletInstance->m_default_max_tx_fee = max_fee.value();
3075 : 0 : }
3076 : :
3077 [ # # ][ # # ]: 0 : if (args.IsArgSet("-consolidatefeerate")) {
[ # # ]
3078 [ # # ][ # # ]: 0 : if (std::optional<CAmount> consolidate_feerate = ParseMoney(args.GetArg("-consolidatefeerate", ""))) {
[ # # ][ # # ]
[ # # ]
3079 [ # # ]: 0 : walletInstance->m_consolidate_feerate = CFeeRate(*consolidate_feerate);
3080 : 0 : } else {
3081 [ # # ][ # # ]: 0 : error = AmountErrMsg("consolidatefeerate", args.GetArg("-consolidatefeerate", ""));
[ # # ][ # # ]
[ # # ]
3082 : 0 : return nullptr;
3083 : : }
3084 : 0 : }
3085 : :
3086 [ # # ][ # # ]: 0 : if (chain && chain->relayMinFee().GetFeePerK() > HIGH_TX_FEE_PER_KB) {
[ # # ][ # # ]
3087 [ # # ][ # # ]: 0 : warnings.push_back(AmountHighWarn("-minrelaytxfee") + Untranslated(" ") +
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
3088 [ # # ]: 0 : _("The wallet will avoid paying less than the minimum relay fee."));
3089 : 0 : }
3090 : :
3091 [ # # ][ # # ]: 0 : walletInstance->m_confirm_target = args.GetIntArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
3092 [ # # ][ # # ]: 0 : walletInstance->m_spend_zero_conf_change = args.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
3093 [ # # ][ # # ]: 0 : walletInstance->m_signal_rbf = args.GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
3094 : :
3095 [ # # ][ # # ]: 0 : walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));
[ # # ]
3096 : :
3097 : : // Try to top up keypool. No-op if the wallet is locked.
3098 [ # # ]: 0 : walletInstance->TopUpKeyPool();
3099 : :
3100 : : // Cache the first key time
3101 : 0 : std::optional<int64_t> time_first_key;
3102 [ # # ][ # # ]: 0 : for (auto spk_man : walletInstance->GetAllScriptPubKeyMans()) {
3103 [ # # ]: 0 : int64_t time = spk_man->GetTimeFirstKey();
3104 [ # # ][ # # ]: 0 : if (!time_first_key || time < *time_first_key) time_first_key = time;
3105 : : }
3106 [ # # ]: 0 : if (time_first_key) walletInstance->m_birth_time = *time_first_key;
3107 : :
3108 [ # # ][ # # ]: 0 : if (chain && !AttachChain(walletInstance, *chain, rescan_required, error, warnings)) {
[ # # ]
3109 : 0 : return nullptr;
3110 : : }
3111 : :
3112 : : {
3113 [ # # ][ # # ]: 0 : LOCK(walletInstance->cs_wallet);
3114 [ # # ][ # # ]: 0 : walletInstance->SetBroadcastTransactions(args.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
[ # # ]
3115 [ # # ][ # # ]: 0 : walletInstance->WalletLogPrintf("setKeyPool.size() = %u\n", walletInstance->GetKeyPoolSize());
3116 [ # # ]: 0 : walletInstance->WalletLogPrintf("mapWallet.size() = %u\n", walletInstance->mapWallet.size());
3117 [ # # ]: 0 : walletInstance->WalletLogPrintf("m_address_book.size() = %u\n", walletInstance->m_address_book.size());
3118 : 0 : }
3119 : :
3120 : 0 : return walletInstance;
3121 : 0 : }
3122 : :
3123 : 0 : bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interfaces::Chain& chain, const bool rescan_required, bilingual_str& error, std::vector<bilingual_str>& warnings)
3124 : : {
3125 : 0 : LOCK(walletInstance->cs_wallet);
3126 : : // allow setting the chain if it hasn't been set already but prevent changing it
3127 [ # # ][ # # ]: 0 : assert(!walletInstance->m_chain || walletInstance->m_chain == &chain);
3128 : 0 : walletInstance->m_chain = &chain;
3129 : :
3130 : : // Unless allowed, ensure wallet files are not reused across chains:
3131 [ # # ][ # # ]: 0 : if (!gArgs.GetBoolArg("-walletcrosschain", DEFAULT_WALLETCROSSCHAIN)) {
[ # # ]
3132 [ # # ][ # # ]: 0 : WalletBatch batch(walletInstance->GetDatabase());
3133 [ # # ]: 0 : CBlockLocator locator;
3134 [ # # ][ # # ]: 0 : if (batch.ReadBestBlock(locator) && locator.vHave.size() > 0 && chain.getHeight()) {
[ # # ][ # # ]
[ # # ]
3135 : : // Wallet is assumed to be from another chain, if genesis block in the active
3136 : : // chain differs from the genesis block known to the wallet.
3137 [ # # ][ # # ]: 0 : if (chain.getBlockHash(0) != locator.vHave.back()) {
[ # # ]
3138 [ # # ][ # # ]: 0 : error = Untranslated("Wallet files should not be reused across chains. Restart bitcoind with -walletcrosschain to override.");
3139 : 0 : return false;
3140 : : }
3141 : 0 : }
3142 [ # # ]: 0 : }
3143 : :
3144 : : // Register wallet with validationinterface. It's done before rescan to avoid
3145 : : // missing block connections between end of rescan and validation subscribing.
3146 : : // Because of wallet lock being hold, block connection notifications are going to
3147 : : // be pending on the validation-side until lock release. It's likely to have
3148 : : // block processing duplicata (if rescan block range overlaps with notification one)
3149 : : // but we guarantee at least than wallet state is correct after notifications delivery.
3150 : : // However, chainStateFlushed notifications are ignored until the rescan is finished
3151 : : // so that in case of a shutdown event, the rescan will be repeated at the next start.
3152 : : // This is temporary until rescan and notifications delivery are unified under same
3153 : : // interface.
3154 : 0 : walletInstance->m_attaching_chain = true; //ignores chainStateFlushed notifications
3155 [ # # ][ # # ]: 0 : walletInstance->m_chain_notifications_handler = walletInstance->chain().handleNotifications(walletInstance);
3156 : :
3157 : : // If rescan_required = true, rescan_height remains equal to 0
3158 : 0 : int rescan_height = 0;
3159 [ # # ]: 0 : if (!rescan_required)
3160 : : {
3161 [ # # ][ # # ]: 0 : WalletBatch batch(walletInstance->GetDatabase());
3162 [ # # ]: 0 : CBlockLocator locator;
3163 [ # # ][ # # ]: 0 : if (batch.ReadBestBlock(locator)) {
3164 [ # # ][ # # ]: 0 : if (const std::optional<int> fork_height = chain.findLocatorFork(locator)) {
3165 : 0 : rescan_height = *fork_height;
3166 : 0 : }
3167 : 0 : }
3168 : 0 : }
3169 : :
3170 [ # # ]: 0 : const std::optional<int> tip_height = chain.getHeight();
3171 [ # # ]: 0 : if (tip_height) {
3172 [ # # ]: 0 : walletInstance->m_last_block_processed = chain.getBlockHash(*tip_height);
3173 : 0 : walletInstance->m_last_block_processed_height = *tip_height;
3174 : 0 : } else {
3175 [ # # ]: 0 : walletInstance->m_last_block_processed.SetNull();
3176 : 0 : walletInstance->m_last_block_processed_height = -1;
3177 : : }
3178 : :
3179 [ # # ][ # # ]: 0 : if (tip_height && *tip_height != rescan_height)
3180 : : {
3181 : : // No need to read and scan block if block was created before
3182 : : // our wallet birthday (as adjusted for block time variability)
3183 : 0 : std::optional<int64_t> time_first_key = walletInstance->m_birth_time.load();
3184 [ # # ]: 0 : if (time_first_key) {
3185 [ # # ]: 0 : FoundBlock found = FoundBlock().height(rescan_height);
3186 [ # # ]: 0 : chain.findFirstBlockWithTimeAndHeight(*time_first_key - TIMESTAMP_WINDOW, rescan_height, found);
3187 [ # # ]: 0 : if (!found.found) {
3188 : : // We were unable to find a block that had a time more recent than our earliest timestamp
3189 : : // or a height higher than the wallet was synced to, indicating that the wallet is newer than the
3190 : : // current chain tip. Skip rescanning in this case.
3191 : 0 : rescan_height = *tip_height;
3192 : 0 : }
3193 : 0 : }
3194 : :
3195 : : // Technically we could execute the code below in any case, but performing the
3196 : : // `while` loop below can make startup very slow, so only check blocks on disk
3197 : : // if necessary.
3198 [ # # ][ # # ]: 0 : if (chain.havePruned() || chain.hasAssumedValidChain()) {
[ # # ][ # # ]
3199 : 0 : int block_height = *tip_height;
3200 [ # # ][ # # ]: 0 : while (block_height > 0 && chain.haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
[ # # ][ # # ]
3201 : 0 : --block_height;
3202 : : }
3203 : :
3204 [ # # ]: 0 : if (rescan_height != block_height) {
3205 : : // We can't rescan beyond blocks we don't have data for, stop and throw an error.
3206 : : // This might happen if a user uses an old wallet within a pruned node
3207 : : // or if they ran -disablewallet for a longer time, then decided to re-enable
3208 : : // Exit early and print an error.
3209 : : // It also may happen if an assumed-valid chain is in use and therefore not
3210 : : // all block data is available.
3211 : : // If a block is pruned after this check, we will load the wallet,
3212 : : // but fail the rescan with a generic error.
3213 : :
3214 [ # # ][ # # ]: 0 : error = chain.havePruned() ?
[ # # ][ # # ]
3215 [ # # ]: 0 : _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)") :
3216 [ # # ][ # # ]: 0 : strprintf(_(
3217 : : "Error loading wallet. Wallet requires blocks to be downloaded, "
3218 : : "and software does not currently support loading wallets while "
3219 : : "blocks are being downloaded out of order when using assumeutxo "
3220 : : "snapshots. Wallet should be able to load successfully after "
3221 : : "node sync reaches height %s"), block_height);
3222 : 0 : return false;
3223 : : }
3224 : 0 : }
3225 : :
3226 [ # # ][ # # ]: 0 : chain.initMessage(_("Rescanning…").translated);
3227 [ # # ]: 0 : walletInstance->WalletLogPrintf("Rescanning last %i blocks (from block %i)...\n", *tip_height - rescan_height, rescan_height);
3228 : :
3229 : : {
3230 [ # # ]: 0 : WalletRescanReserver reserver(*walletInstance);
3231 [ # # ][ # # ]: 0 : if (!reserver.reserve() || (ScanResult::SUCCESS != walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, /*max_height=*/{}, reserver, /*fUpdate=*/true, /*save_progress=*/true).status)) {
[ # # ][ # # ]
[ # # ]
3232 [ # # ]: 0 : error = _("Failed to rescan the wallet during initialization");
3233 : 0 : return false;
3234 : : }
3235 [ # # ]: 0 : }
3236 : 0 : walletInstance->m_attaching_chain = false;
3237 [ # # ][ # # ]: 0 : walletInstance->chainStateFlushed(ChainstateRole::NORMAL, chain.getTipLocator());
3238 [ # # ][ # # ]: 0 : walletInstance->GetDatabase().IncrementUpdateCounter();
3239 : 0 : }
3240 : 0 : walletInstance->m_attaching_chain = false;
3241 : :
3242 : 0 : return true;
3243 : 0 : }
3244 : :
3245 : 0 : const CAddressBookData* CWallet::FindAddressBookEntry(const CTxDestination& dest, bool allow_change) const
3246 : : {
3247 : 0 : const auto& address_book_it = m_address_book.find(dest);
3248 [ # # ]: 0 : if (address_book_it == m_address_book.end()) return nullptr;
3249 [ # # ][ # # ]: 0 : if ((!allow_change) && address_book_it->second.IsChange()) {
3250 : 0 : return nullptr;
3251 : : }
3252 : 0 : return &address_book_it->second;
3253 : 0 : }
3254 : :
3255 : 0 : bool CWallet::UpgradeWallet(int version, bilingual_str& error)
3256 : : {
3257 : 0 : int prev_version = GetVersion();
3258 [ # # ]: 0 : if (version == 0) {
3259 : 0 : WalletLogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
3260 : 0 : version = FEATURE_LATEST;
3261 : 0 : } else {
3262 : 0 : WalletLogPrintf("Allowing wallet upgrade up to %i\n", version);
3263 : : }
3264 [ # # ]: 0 : if (version < prev_version) {
3265 [ # # ]: 0 : error = strprintf(_("Cannot downgrade wallet from version %i to version %i. Wallet version unchanged."), prev_version, version);
3266 : 0 : return false;
3267 : : }
3268 : :
3269 : 0 : LOCK(cs_wallet);
3270 : :
3271 : : // Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT
3272 [ # # ][ # # ]: 0 : if (!CanSupportFeature(FEATURE_HD_SPLIT) && version >= FEATURE_HD_SPLIT && version < FEATURE_PRE_SPLIT_KEYPOOL) {
[ # # ][ # # ]
3273 [ # # ][ # # ]: 0 : error = strprintf(_("Cannot upgrade a non HD split wallet from version %i to version %i without upgrading to support pre-split keypool. Please use version %i or no version specified."), prev_version, version, FEATURE_PRE_SPLIT_KEYPOOL);
3274 : 0 : return false;
3275 : : }
3276 : :
3277 : : // Permanently upgrade to the version
3278 [ # # ][ # # ]: 0 : SetMinVersion(GetClosestWalletFeature(version));
3279 : :
3280 [ # # ][ # # ]: 0 : for (auto spk_man : GetActiveScriptPubKeyMans()) {
[ # # ]
3281 [ # # ][ # # ]: 0 : if (!spk_man->Upgrade(prev_version, version, error)) {
3282 : 0 : return false;
3283 : : }
3284 : : }
3285 : 0 : return true;
3286 : 0 : }
3287 : :
3288 : 0 : void CWallet::postInitProcess()
3289 : : {
3290 : : // Add wallet transactions that aren't already in a block to mempool
3291 : : // Do this here as mempool requires genesis block to be loaded
3292 : 0 : ResubmitWalletTransactions(/*relay=*/false, /*force=*/true);
3293 : :
3294 : : // Update wallet transactions with current mempool transactions.
3295 [ # # ]: 0 : WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
3296 : 0 : }
3297 : :
3298 : 0 : bool CWallet::BackupWallet(const std::string& strDest) const
3299 : : {
3300 : 0 : return GetDatabase().Backup(strDest);
3301 : : }
3302 : :
3303 : 0 : CKeyPool::CKeyPool()
3304 : : {
3305 : 0 : nTime = GetTime();
3306 : 0 : fInternal = false;
3307 : 0 : m_pre_split = false;
3308 : 0 : }
3309 : :
3310 : 0 : CKeyPool::CKeyPool(const CPubKey& vchPubKeyIn, bool internalIn)
3311 : : {
3312 : 0 : nTime = GetTime();
3313 : 0 : vchPubKey = vchPubKeyIn;
3314 : 0 : fInternal = internalIn;
3315 : 0 : m_pre_split = false;
3316 : 0 : }
3317 : :
3318 : 0 : int CWallet::GetTxDepthInMainChain(const CWalletTx& wtx) const
3319 : : {
3320 : 0 : AssertLockHeld(cs_wallet);
3321 [ # # ]: 0 : if (auto* conf = wtx.state<TxStateConfirmed>()) {
3322 : 0 : return GetLastBlockHeight() - conf->confirmed_block_height + 1;
3323 [ # # ]: 0 : } else if (auto* conf = wtx.state<TxStateConflicted>()) {
3324 : 0 : return -1 * (GetLastBlockHeight() - conf->conflicting_block_height + 1);
3325 : : } else {
3326 : 0 : return 0;
3327 : : }
3328 : 0 : }
3329 : :
3330 : 0 : int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
3331 : : {
3332 : 0 : AssertLockHeld(cs_wallet);
3333 : :
3334 [ # # ]: 0 : if (!wtx.IsCoinBase()) {
3335 : 0 : return 0;
3336 : : }
3337 : 0 : int chain_depth = GetTxDepthInMainChain(wtx);
3338 [ # # ]: 0 : assert(chain_depth >= 0); // coinbase tx should not be conflicted
3339 : 0 : return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
3340 : 0 : }
3341 : :
3342 : 0 : bool CWallet::IsTxImmatureCoinBase(const CWalletTx& wtx) const
3343 : : {
3344 : 0 : AssertLockHeld(cs_wallet);
3345 : :
3346 : : // note GetBlocksToMaturity is 0 for non-coinbase tx
3347 : 0 : return GetTxBlocksToMaturity(wtx) > 0;
3348 : : }
3349 : :
3350 : 0 : bool CWallet::IsCrypted() const
3351 : : {
3352 : 0 : return HasEncryptionKeys();
3353 : : }
3354 : :
3355 : 0 : bool CWallet::IsLocked() const
3356 : : {
3357 [ # # ]: 0 : if (!IsCrypted()) {
3358 : 0 : return false;
3359 : : }
3360 : 0 : LOCK(cs_wallet);
3361 : 0 : return vMasterKey.empty();
3362 : 0 : }
3363 : :
3364 : 0 : bool CWallet::Lock()
3365 : : {
3366 [ # # ]: 0 : if (!IsCrypted())
3367 : 0 : return false;
3368 : :
3369 : : {
3370 [ # # ][ # # ]: 0 : LOCK2(m_relock_mutex, cs_wallet);
3371 [ # # ]: 0 : if (!vMasterKey.empty()) {
3372 [ # # ]: 0 : memory_cleanse(vMasterKey.data(), vMasterKey.size() * sizeof(decltype(vMasterKey)::value_type));
3373 : 0 : vMasterKey.clear();
3374 : 0 : }
3375 : 0 : }
3376 : :
3377 : 0 : NotifyStatusChanged(this);
3378 : 0 : return true;
3379 : 0 : }
3380 : :
3381 : 0 : bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn, bool accept_no_keys)
3382 : : {
3383 : : {
3384 : 0 : LOCK(cs_wallet);
3385 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
3386 [ # # ][ # # ]: 0 : if (!spk_man_pair.second->CheckDecryptionKey(vMasterKeyIn, accept_no_keys)) {
3387 : 0 : return false;
3388 : : }
3389 : : }
3390 [ # # ]: 0 : vMasterKey = vMasterKeyIn;
3391 [ # # # ]: 0 : }
3392 : 0 : NotifyStatusChanged(this);
3393 : 0 : return true;
3394 : 0 : }
3395 : :
3396 : 0 : std::set<ScriptPubKeyMan*> CWallet::GetActiveScriptPubKeyMans() const
3397 : : {
3398 : 0 : std::set<ScriptPubKeyMan*> spk_mans;
3399 [ # # ]: 0 : for (bool internal : {false, true}) {
3400 [ # # ]: 0 : for (OutputType t : OUTPUT_TYPES) {
3401 [ # # ]: 0 : auto spk_man = GetScriptPubKeyMan(t, internal);
3402 [ # # ]: 0 : if (spk_man) {
3403 [ # # ]: 0 : spk_mans.insert(spk_man);
3404 : 0 : }
3405 : : }
3406 : : }
3407 : 0 : return spk_mans;
3408 [ # # ]: 0 : }
3409 : :
3410 : 0 : std::set<ScriptPubKeyMan*> CWallet::GetAllScriptPubKeyMans() const
3411 : : {
3412 : 0 : std::set<ScriptPubKeyMan*> spk_mans;
3413 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
3414 [ # # ]: 0 : spk_mans.insert(spk_man_pair.second.get());
3415 : : }
3416 : 0 : return spk_mans;
3417 [ # # ]: 0 : }
3418 : :
3419 : 0 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool internal) const
3420 : : {
3421 [ # # ]: 0 : const std::map<OutputType, ScriptPubKeyMan*>& spk_managers = internal ? m_internal_spk_managers : m_external_spk_managers;
3422 : 0 : std::map<OutputType, ScriptPubKeyMan*>::const_iterator it = spk_managers.find(type);
3423 [ # # ]: 0 : if (it == spk_managers.end()) {
3424 : 0 : return nullptr;
3425 : : }
3426 : 0 : return it->second;
3427 : 0 : }
3428 : :
3429 : 0 : std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script) const
3430 : : {
3431 : 0 : std::set<ScriptPubKeyMan*> spk_mans;
3432 [ # # ]: 0 : SignatureData sigdata;
3433 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
3434 [ # # ][ # # ]: 0 : if (spk_man_pair.second->CanProvide(script, sigdata)) {
3435 [ # # ]: 0 : spk_mans.insert(spk_man_pair.second.get());
3436 : 0 : }
3437 : : }
3438 : 0 : return spk_mans;
3439 [ # # ]: 0 : }
3440 : :
3441 : 0 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
3442 : : {
3443 [ # # ]: 0 : if (m_spk_managers.count(id) > 0) {
3444 : 0 : return m_spk_managers.at(id).get();
3445 : : }
3446 : 0 : return nullptr;
3447 : 0 : }
3448 : :
3449 : 0 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script) const
3450 : : {
3451 : 0 : SignatureData sigdata;
3452 [ # # ]: 0 : return GetSolvingProvider(script, sigdata);
3453 : 0 : }
3454 : :
3455 : 0 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script, SignatureData& sigdata) const
3456 : : {
3457 [ # # ]: 0 : for (const auto& spk_man_pair : m_spk_managers) {
3458 [ # # ]: 0 : if (spk_man_pair.second->CanProvide(script, sigdata)) {
3459 : 0 : return spk_man_pair.second->GetSolvingProvider(script);
3460 : : }
3461 : : }
3462 : 0 : return nullptr;
3463 : 0 : }
3464 : :
3465 : 0 : std::vector<WalletDescriptor> CWallet::GetWalletDescriptors(const CScript& script) const
3466 : : {
3467 : 0 : std::vector<WalletDescriptor> descs;
3468 [ # # ][ # # ]: 0 : for (const auto spk_man: GetScriptPubKeyMans(script)) {
3469 [ # # ][ # # ]: 0 : if (const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man)) {
3470 [ # # ][ # # ]: 0 : LOCK(desc_spk_man->cs_desc_man);
3471 [ # # ][ # # ]: 0 : descs.push_back(desc_spk_man->GetWalletDescriptor());
3472 : 0 : }
3473 : : }
3474 : 0 : return descs;
3475 [ # # ]: 0 : }
3476 : :
3477 : 0 : LegacyScriptPubKeyMan* CWallet::GetLegacyScriptPubKeyMan() const
3478 : : {
3479 [ # # ]: 0 : if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
3480 : 0 : return nullptr;
3481 : : }
3482 : : // Legacy wallets only have one ScriptPubKeyMan which is a LegacyScriptPubKeyMan.
3483 : : // Everything in m_internal_spk_managers and m_external_spk_managers point to the same legacyScriptPubKeyMan.
3484 : 0 : auto it = m_internal_spk_managers.find(OutputType::LEGACY);
3485 [ # # ]: 0 : if (it == m_internal_spk_managers.end()) return nullptr;
3486 [ # # ]: 0 : return dynamic_cast<LegacyScriptPubKeyMan*>(it->second);
3487 : 0 : }
3488 : :
3489 : 0 : LegacyScriptPubKeyMan* CWallet::GetOrCreateLegacyScriptPubKeyMan()
3490 : : {
3491 : 0 : SetupLegacyScriptPubKeyMan();
3492 : 0 : return GetLegacyScriptPubKeyMan();
3493 : : }
3494 : :
3495 : 0 : void CWallet::AddScriptPubKeyMan(const uint256& id, std::unique_ptr<ScriptPubKeyMan> spkm_man)
3496 : : {
3497 : 0 : const auto& spkm = m_spk_managers[id] = std::move(spkm_man);
3498 : :
3499 : : // Update birth time if needed
3500 : 0 : FirstKeyTimeChanged(spkm.get(), spkm->GetTimeFirstKey());
3501 : 0 : }
3502 : :
3503 : 0 : void CWallet::SetupLegacyScriptPubKeyMan()
3504 : : {
3505 [ # # ][ # # ]: 0 : if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty() || IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
[ # # ][ # # ]
3506 : 0 : return;
3507 : : }
3508 : :
3509 [ # # ]: 0 : auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new LegacyScriptPubKeyMan(*this, m_keypool_size));
3510 [ # # ]: 0 : for (const auto& type : LEGACY_OUTPUT_TYPES) {
3511 [ # # ]: 0 : m_internal_spk_managers[type] = spk_manager.get();
3512 [ # # ]: 0 : m_external_spk_managers[type] = spk_manager.get();
3513 : : }
3514 [ # # ]: 0 : uint256 id = spk_manager->GetID();
3515 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(spk_manager));
3516 : 0 : }
3517 : :
3518 : 0 : const CKeyingMaterial& CWallet::GetEncryptionKey() const
3519 : : {
3520 : 0 : return vMasterKey;
3521 : : }
3522 : :
3523 : 0 : bool CWallet::HasEncryptionKeys() const
3524 : : {
3525 : 0 : return !mapMasterKeys.empty();
3526 : : }
3527 : :
3528 : 0 : void CWallet::ConnectScriptPubKeyManNotifiers()
3529 : : {
3530 [ # # ]: 0 : for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
3531 [ # # ][ # # ]: 0 : spk_man->NotifyWatchonlyChanged.connect(NotifyWatchonlyChanged);
3532 [ # # ][ # # ]: 0 : spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
3533 [ # # ][ # # ]: 0 : spk_man->NotifyFirstKeyTimeChanged.connect(std::bind(&CWallet::FirstKeyTimeChanged, this, std::placeholders::_1, std::placeholders::_2));
[ # # ]
3534 : : }
3535 : 0 : }
3536 : :
3537 : 0 : void CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc)
3538 : : {
3539 [ # # ]: 0 : if (IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
3540 [ # # ]: 0 : auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new ExternalSignerScriptPubKeyMan(*this, desc, m_keypool_size));
3541 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(spk_manager));
3542 : 0 : } else {
3543 [ # # ]: 0 : auto spk_manager = std::unique_ptr<ScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size));
3544 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(spk_manager));
3545 : 0 : }
3546 : 0 : }
3547 : :
3548 : 0 : void CWallet::SetupDescriptorScriptPubKeyMans(const CExtKey& master_key)
3549 : : {
3550 : 0 : AssertLockHeld(cs_wallet);
3551 : :
3552 [ # # ]: 0 : for (bool internal : {false, true}) {
3553 [ # # ]: 0 : for (OutputType t : OUTPUT_TYPES) {
3554 [ # # ]: 0 : auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, m_keypool_size));
3555 [ # # ][ # # ]: 0 : if (IsCrypted()) {
3556 [ # # ][ # # ]: 0 : if (IsLocked()) {
3557 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
[ # # ][ # # ]
3558 : : }
3559 [ # # ][ # # ]: 0 : if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, nullptr)) {
[ # # ][ # # ]
3560 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
[ # # ][ # # ]
3561 : : }
3562 : 0 : }
3563 [ # # ]: 0 : spk_manager->SetupDescriptorGeneration(master_key, t, internal);
3564 [ # # ]: 0 : uint256 id = spk_manager->GetID();
3565 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(spk_manager));
3566 [ # # ]: 0 : AddActiveScriptPubKeyMan(id, t, internal);
3567 : 0 : }
3568 : : }
3569 : 0 : }
3570 : :
3571 : 0 : void CWallet::SetupDescriptorScriptPubKeyMans()
3572 : : {
3573 : 0 : AssertLockHeld(cs_wallet);
3574 : :
3575 [ # # ]: 0 : if (!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
3576 : : // Make a seed
3577 : 0 : CKey seed_key;
3578 [ # # ]: 0 : seed_key.MakeNewKey(true);
3579 [ # # ]: 0 : CPubKey seed = seed_key.GetPubKey();
3580 [ # # ][ # # ]: 0 : assert(seed_key.VerifyPubKey(seed));
3581 : :
3582 : : // Get the extended key
3583 [ # # ]: 0 : CExtKey master_key;
3584 [ # # ][ # # ]: 0 : master_key.SetSeed(seed_key);
3585 : :
3586 [ # # ]: 0 : SetupDescriptorScriptPubKeyMans(master_key);
3587 : 0 : } else {
3588 : 0 : ExternalSigner signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
3589 : :
3590 : : // TODO: add account parameter
3591 : 0 : int account = 0;
3592 [ # # ]: 0 : UniValue signer_res = signer.GetDescriptors(account);
3593 : :
3594 [ # # ][ # # ]: 0 : if (!signer_res.isObject()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
[ # # ][ # # ]
[ # # ][ # # ]
3595 [ # # ]: 0 : for (bool internal : {false, true}) {
3596 [ # # ]: 0 : const UniValue& descriptor_vals = signer_res.find_value(internal ? "internal" : "receive");
3597 [ # # ][ # # ]: 0 : if (!descriptor_vals.isArray()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
[ # # ][ # # ]
[ # # ][ # # ]
3598 [ # # ][ # # ]: 0 : for (const UniValue& desc_val : descriptor_vals.get_array().getValues()) {
[ # # ]
3599 [ # # ]: 0 : const std::string& desc_str = desc_val.getValStr();
3600 : 0 : FlatSigningProvider keys;
3601 : 0 : std::string desc_error;
3602 [ # # ]: 0 : std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, desc_error, false);
3603 [ # # ]: 0 : if (desc == nullptr) {
3604 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": Invalid descriptor \"" + desc_str + "\" (" + desc_error + ")");
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
3605 : : }
3606 [ # # ][ # # ]: 0 : if (!desc->GetOutputType()) {
3607 : 0 : continue;
3608 : : }
3609 [ # # ]: 0 : OutputType t = *desc->GetOutputType();
3610 [ # # ][ # # ]: 0 : auto spk_manager = std::unique_ptr<ExternalSignerScriptPubKeyMan>(new ExternalSignerScriptPubKeyMan(*this, m_keypool_size));
3611 [ # # ]: 0 : spk_manager->SetupDescriptor(std::move(desc));
3612 [ # # ]: 0 : uint256 id = spk_manager->GetID();
3613 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(spk_manager));
3614 [ # # ]: 0 : AddActiveScriptPubKeyMan(id, t, internal);
3615 [ # # ]: 0 : }
3616 : : }
3617 : 0 : }
3618 : 0 : }
3619 : :
3620 : 0 : void CWallet::AddActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
3621 : : {
3622 : 0 : WalletBatch batch(GetDatabase());
3623 [ # # ][ # # ]: 0 : if (!batch.WriteActiveScriptPubKeyMan(static_cast<uint8_t>(type), id, internal)) {
3624 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": writing active ScriptPubKeyMan id failed");
[ # # ][ # # ]
[ # # ]
3625 : : }
3626 [ # # ]: 0 : LoadActiveScriptPubKeyMan(id, type, internal);
3627 : 0 : }
3628 : :
3629 : 0 : void CWallet::LoadActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
3630 : : {
3631 : : // Activating ScriptPubKeyManager for a given output and change type is incompatible with legacy wallets.
3632 : : // Legacy wallets have only one ScriptPubKeyManager and it's active for all output and change types.
3633 : 0 : Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
3634 : :
3635 [ # # ][ # # ]: 0 : WalletLogPrintf("Setting spkMan to active: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
[ # # ]
3636 [ # # ]: 0 : auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
3637 [ # # ]: 0 : auto& spk_mans_other = internal ? m_external_spk_managers : m_internal_spk_managers;
3638 : 0 : auto spk_man = m_spk_managers.at(id).get();
3639 : 0 : spk_mans[type] = spk_man;
3640 : :
3641 : 0 : const auto it = spk_mans_other.find(type);
3642 [ # # ][ # # ]: 0 : if (it != spk_mans_other.end() && it->second == spk_man) {
3643 : 0 : spk_mans_other.erase(type);
3644 : 0 : }
3645 : :
3646 : 0 : NotifyCanGetAddressesChanged();
3647 : 0 : }
3648 : :
3649 : 0 : void CWallet::DeactivateScriptPubKeyMan(uint256 id, OutputType type, bool internal)
3650 : : {
3651 : 0 : auto spk_man = GetScriptPubKeyMan(type, internal);
3652 [ # # ][ # # ]: 0 : if (spk_man != nullptr && spk_man->GetID() == id) {
3653 [ # # ][ # # ]: 0 : WalletLogPrintf("Deactivate spkMan: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
[ # # ]
3654 : 0 : WalletBatch batch(GetDatabase());
3655 [ # # ][ # # ]: 0 : if (!batch.EraseActiveScriptPubKeyMan(static_cast<uint8_t>(type), internal)) {
3656 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": erasing active ScriptPubKeyMan id failed");
[ # # ][ # # ]
[ # # ]
3657 : : }
3658 : :
3659 [ # # ]: 0 : auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
3660 [ # # ]: 0 : spk_mans.erase(type);
3661 : 0 : }
3662 : :
3663 : 0 : NotifyCanGetAddressesChanged();
3664 : 0 : }
3665 : :
3666 : 0 : bool CWallet::IsLegacy() const
3667 : : {
3668 [ # # ]: 0 : if (m_internal_spk_managers.count(OutputType::LEGACY) == 0) {
3669 : 0 : return false;
3670 : : }
3671 [ # # ]: 0 : auto spk_man = dynamic_cast<LegacyScriptPubKeyMan*>(m_internal_spk_managers.at(OutputType::LEGACY));
3672 : 0 : return spk_man != nullptr;
3673 : 0 : }
3674 : :
3675 : 0 : DescriptorScriptPubKeyMan* CWallet::GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const
3676 : : {
3677 [ # # ]: 0 : for (auto& spk_man_pair : m_spk_managers) {
3678 : : // Try to downcast to DescriptorScriptPubKeyMan then check if the descriptors match
3679 [ # # ]: 0 : DescriptorScriptPubKeyMan* spk_manager = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man_pair.second.get());
3680 [ # # ][ # # ]: 0 : if (spk_manager != nullptr && spk_manager->HasWalletDescriptor(desc)) {
3681 : 0 : return spk_manager;
3682 : : }
3683 : : }
3684 : :
3685 : 0 : return nullptr;
3686 : 0 : }
3687 : :
3688 : 0 : std::optional<bool> CWallet::IsInternalScriptPubKeyMan(ScriptPubKeyMan* spk_man) const
3689 : : {
3690 : : // Legacy script pubkey man can't be either external or internal
3691 [ # # ]: 0 : if (IsLegacy()) {
3692 : 0 : return std::nullopt;
3693 : : }
3694 : :
3695 : : // only active ScriptPubKeyMan can be internal
3696 [ # # ][ # # ]: 0 : if (!GetActiveScriptPubKeyMans().count(spk_man)) {
3697 : 0 : return std::nullopt;
3698 : : }
3699 : :
3700 [ # # ]: 0 : const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man);
3701 [ # # ]: 0 : if (!desc_spk_man) {
3702 [ # # ][ # # ]: 0 : throw std::runtime_error(std::string(__func__) + ": unexpected ScriptPubKeyMan type.");
[ # # ][ # # ]
[ # # ]
3703 : : }
3704 : :
3705 : 0 : LOCK(desc_spk_man->cs_desc_man);
3706 [ # # ][ # # ]: 0 : const auto& type = desc_spk_man->GetWalletDescriptor().descriptor->GetOutputType();
3707 [ # # ]: 0 : assert(type.has_value());
3708 : :
3709 [ # # ]: 0 : return GetScriptPubKeyMan(*type, /* internal= */ true) == desc_spk_man;
3710 : 0 : }
3711 : :
3712 : 0 : ScriptPubKeyMan* CWallet::AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label, bool internal)
3713 : : {
3714 : 0 : AssertLockHeld(cs_wallet);
3715 : :
3716 [ # # ]: 0 : if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
3717 : 0 : WalletLogPrintf("Cannot add WalletDescriptor to a non-descriptor wallet\n");
3718 : 0 : return nullptr;
3719 : : }
3720 : :
3721 : 0 : auto spk_man = GetDescriptorScriptPubKeyMan(desc);
3722 [ # # ]: 0 : if (spk_man) {
3723 [ # # ]: 0 : WalletLogPrintf("Update existing descriptor: %s\n", desc.descriptor->ToString());
3724 : 0 : spk_man->UpdateWalletDescriptor(desc);
3725 : 0 : } else {
3726 [ # # ]: 0 : auto new_spk_man = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size));
3727 : 0 : spk_man = new_spk_man.get();
3728 : :
3729 : : // Save the descriptor to memory
3730 [ # # ]: 0 : uint256 id = new_spk_man->GetID();
3731 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(new_spk_man));
3732 : 0 : }
3733 : :
3734 : : // Add the private keys to the descriptor
3735 [ # # ]: 0 : for (const auto& entry : signing_provider.keys) {
3736 : 0 : const CKey& key = entry.second;
3737 : 0 : spk_man->AddDescriptorKey(key, key.GetPubKey());
3738 : : }
3739 : :
3740 : : // Top up key pool, the manager will generate new scriptPubKeys internally
3741 [ # # ]: 0 : if (!spk_man->TopUp()) {
3742 : 0 : WalletLogPrintf("Could not top up scriptPubKeys\n");
3743 : 0 : return nullptr;
3744 : : }
3745 : :
3746 : : // Apply the label if necessary
3747 : : // Note: we disable labels for ranged descriptors
3748 [ # # ]: 0 : if (!desc.descriptor->IsRange()) {
3749 : 0 : auto script_pub_keys = spk_man->GetScriptPubKeys();
3750 [ # # ]: 0 : if (script_pub_keys.empty()) {
3751 [ # # ]: 0 : WalletLogPrintf("Could not generate scriptPubKeys (cache is empty)\n");
3752 : 0 : return nullptr;
3753 : : }
3754 : :
3755 [ # # ]: 0 : if (!internal) {
3756 [ # # ]: 0 : for (const auto& script : script_pub_keys) {
3757 [ # # ]: 0 : CTxDestination dest;
3758 [ # # ][ # # ]: 0 : if (ExtractDestination(script, dest)) {
3759 [ # # ]: 0 : SetAddressBook(dest, label, AddressPurpose::RECEIVE);
3760 : 0 : }
3761 : 0 : }
3762 : 0 : }
3763 [ # # # ]: 0 : }
3764 : :
3765 : : // Save the descriptor to DB
3766 : 0 : spk_man->WriteDescriptor();
3767 : :
3768 : 0 : return spk_man;
3769 : 0 : }
3770 : :
3771 : 0 : bool CWallet::MigrateToSQLite(bilingual_str& error)
3772 : : {
3773 : 0 : AssertLockHeld(cs_wallet);
3774 : :
3775 : 0 : WalletLogPrintf("Migrating wallet storage database from BerkeleyDB to SQLite.\n");
3776 : :
3777 [ # # ][ # # ]: 0 : if (m_database->Format() == "sqlite") {
3778 : 0 : error = _("Error: This wallet already uses SQLite");
3779 : 0 : return false;
3780 : : }
3781 : :
3782 : : // Get all of the records for DB type migration
3783 : 0 : std::unique_ptr<DatabaseBatch> batch = m_database->MakeBatch();
3784 [ # # ]: 0 : std::unique_ptr<DatabaseCursor> cursor = batch->GetNewCursor();
3785 : 0 : std::vector<std::pair<SerializeData, SerializeData>> records;
3786 [ # # ]: 0 : if (!cursor) {
3787 [ # # ]: 0 : error = _("Error: Unable to begin reading all records in the database");
3788 : 0 : return false;
3789 : : }
3790 : 0 : DatabaseCursor::Status status = DatabaseCursor::Status::FAIL;
3791 : 0 : while (true) {
3792 [ # # ]: 0 : DataStream ss_key{};
3793 [ # # ]: 0 : DataStream ss_value{};
3794 [ # # ]: 0 : status = cursor->Next(ss_key, ss_value);
3795 [ # # ]: 0 : if (status != DatabaseCursor::Status::MORE) {
3796 : 0 : break;
3797 : : }
3798 [ # # ][ # # ]: 0 : SerializeData key(ss_key.begin(), ss_key.end());
[ # # ]
3799 [ # # ][ # # ]: 0 : SerializeData value(ss_value.begin(), ss_value.end());
[ # # ]
3800 [ # # ]: 0 : records.emplace_back(key, value);
3801 [ # # # ]: 0 : }
3802 : 0 : cursor.reset();
3803 : 0 : batch.reset();
3804 [ # # ]: 0 : if (status != DatabaseCursor::Status::DONE) {
3805 [ # # ]: 0 : error = _("Error: Unable to read all records in the database");
3806 : 0 : return false;
3807 : : }
3808 : :
3809 : : // Close this database and delete the file
3810 [ # # ][ # # ]: 0 : fs::path db_path = fs::PathFromString(m_database->Filename());
3811 [ # # ]: 0 : m_database->Close();
3812 [ # # ]: 0 : fs::remove(db_path);
3813 : :
3814 : : // Generate the path for the location of the migrated wallet
3815 : : // Wallets that are plain files rather than wallet directories will be migrated to be wallet directories.
3816 [ # # ][ # # ]: 0 : const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(m_name));
[ # # ]
3817 : :
3818 : : // Make new DB
3819 : 0 : DatabaseOptions opts;
3820 : 0 : opts.require_create = true;
3821 : 0 : opts.require_format = DatabaseFormat::SQLITE;
3822 : : DatabaseStatus db_status;
3823 [ # # ]: 0 : std::unique_ptr<WalletDatabase> new_db = MakeDatabase(wallet_path, opts, db_status, error);
3824 [ # # ]: 0 : assert(new_db); // This is to prevent doing anything further with this wallet. The original file was deleted, but a backup exists.
3825 : 0 : m_database.reset();
3826 : 0 : m_database = std::move(new_db);
3827 : :
3828 : : // Write existing records into the new DB
3829 [ # # ]: 0 : batch = m_database->MakeBatch();
3830 [ # # ]: 0 : bool began = batch->TxnBegin();
3831 [ # # ]: 0 : assert(began); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
3832 [ # # ]: 0 : for (const auto& [key, value] : records) {
3833 [ # # ][ # # ]: 0 : if (!batch->Write(Span{key}, Span{value})) {
[ # # ][ # # ]
[ # # ]
3834 [ # # ]: 0 : batch->TxnAbort();
3835 [ # # ]: 0 : m_database->Close();
3836 [ # # ][ # # ]: 0 : fs::remove(m_database->Filename());
[ # # ]
3837 : 0 : assert(false); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
3838 : : }
3839 : : }
3840 [ # # ]: 0 : bool committed = batch->TxnCommit();
3841 [ # # ]: 0 : assert(committed); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
3842 : 0 : return true;
3843 : 0 : }
3844 : :
3845 : 0 : std::optional<MigrationData> CWallet::GetDescriptorsForLegacy(bilingual_str& error) const
3846 : : {
3847 : 0 : AssertLockHeld(cs_wallet);
3848 : :
3849 : 0 : LegacyScriptPubKeyMan* legacy_spkm = GetLegacyScriptPubKeyMan();
3850 [ # # ]: 0 : assert(legacy_spkm);
3851 : :
3852 : 0 : std::optional<MigrationData> res = legacy_spkm->MigrateToDescriptor();
3853 [ # # ]: 0 : if (res == std::nullopt) {
3854 [ # # ]: 0 : error = _("Error: Unable to produce descriptors for this legacy wallet. Make sure to provide the wallet's passphrase if it is encrypted.");
3855 : 0 : return std::nullopt;
3856 : : }
3857 : 0 : return res;
3858 : 0 : }
3859 : :
3860 : 0 : bool CWallet::ApplyMigrationData(MigrationData& data, bilingual_str& error)
3861 : : {
3862 : 0 : AssertLockHeld(cs_wallet);
3863 : :
3864 : 0 : LegacyScriptPubKeyMan* legacy_spkm = GetLegacyScriptPubKeyMan();
3865 [ # # ]: 0 : if (!legacy_spkm) {
3866 : 0 : error = _("Error: This wallet is already a descriptor wallet");
3867 : 0 : return false;
3868 : : }
3869 : :
3870 : : // Get all invalid or non-watched scripts that will not be migrated
3871 : 0 : std::set<CTxDestination> not_migrated_dests;
3872 [ # # ][ # # ]: 0 : for (const auto& script : legacy_spkm->GetNotMineScriptPubKeys()) {
3873 [ # # ]: 0 : CTxDestination dest;
3874 [ # # ][ # # ]: 0 : if (ExtractDestination(script, dest)) not_migrated_dests.emplace(dest);
[ # # ]
3875 : 0 : }
3876 : :
3877 [ # # ]: 0 : for (auto& desc_spkm : data.desc_spkms) {
3878 [ # # ][ # # ]: 0 : if (m_spk_managers.count(desc_spkm->GetID()) > 0) {
[ # # ]
3879 [ # # ]: 0 : error = _("Error: Duplicate descriptors created during migration. Your wallet may be corrupted.");
3880 : 0 : return false;
3881 : : }
3882 [ # # ]: 0 : uint256 id = desc_spkm->GetID();
3883 [ # # ]: 0 : AddScriptPubKeyMan(id, std::move(desc_spkm));
3884 : : }
3885 : :
3886 : : // Remove the LegacyScriptPubKeyMan from disk
3887 [ # # ][ # # ]: 0 : if (!legacy_spkm->DeleteRecords()) {
3888 : 0 : return false;
3889 : : }
3890 : :
3891 : : // Remove the LegacyScriptPubKeyMan from memory
3892 [ # # ][ # # ]: 0 : m_spk_managers.erase(legacy_spkm->GetID());
3893 : 0 : m_external_spk_managers.clear();
3894 : 0 : m_internal_spk_managers.clear();
3895 : :
3896 : : // Setup new descriptors
3897 [ # # ]: 0 : SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
3898 [ # # ]: 0 : if (!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
3899 : : // Use the existing master key if we have it
3900 [ # # ][ # # ]: 0 : if (data.master_key.key.IsValid()) {
3901 [ # # ]: 0 : SetupDescriptorScriptPubKeyMans(data.master_key);
3902 : 0 : } else {
3903 : : // Setup with a new seed if we don't.
3904 [ # # ]: 0 : SetupDescriptorScriptPubKeyMans();
3905 : : }
3906 : 0 : }
3907 : :
3908 : : // Check if the transactions in the wallet are still ours. Either they belong here, or they belong in the watchonly wallet.
3909 : : // We need to go through these in the tx insertion order so that lookups to spends works.
3910 : 0 : std::vector<uint256> txids_to_delete;
3911 [ # # ]: 0 : for (const auto& [_pos, wtx] : wtxOrdered) {
3912 [ # # ][ # # ]: 0 : if (!IsMine(*wtx->tx) && !IsFromMe(*wtx->tx)) {
[ # # ][ # # ]
3913 : : // Check it is the watchonly wallet's
3914 : : // solvable_wallet doesn't need to be checked because transactions for those scripts weren't being watched for
3915 [ # # ]: 0 : if (data.watchonly_wallet) {
3916 [ # # ][ # # ]: 0 : LOCK(data.watchonly_wallet->cs_wallet);
3917 [ # # ][ # # ]: 0 : if (data.watchonly_wallet->IsMine(*wtx->tx) || data.watchonly_wallet->IsFromMe(*wtx->tx)) {
[ # # ][ # # ]
[ # # ][ # # ]
3918 : : // Add to watchonly wallet
3919 [ # # ][ # # ]: 0 : if (!data.watchonly_wallet->AddToWallet(wtx->tx, wtx->m_state)) {
[ # # ][ # # ]
3920 [ # # ]: 0 : error = _("Error: Could not add watchonly tx to watchonly wallet");
3921 : 0 : return false;
3922 : : }
3923 : : // Mark as to remove from this wallet
3924 [ # # ][ # # ]: 0 : txids_to_delete.push_back(wtx->GetHash());
3925 : 0 : continue;
3926 : : }
3927 [ # # # ]: 0 : }
3928 : : // Both not ours and not in the watchonly wallet
3929 [ # # ][ # # ]: 0 : error = strprintf(_("Error: Transaction %s in wallet cannot be identified to belong to migrated wallets"), wtx->GetHash().GetHex());
[ # # ][ # # ]
3930 : 0 : return false;
3931 : : }
3932 : : }
3933 : : // Do the removes
3934 [ # # ]: 0 : if (txids_to_delete.size() > 0) {
3935 : 0 : std::vector<uint256> deleted_txids;
3936 [ # # ][ # # ]: 0 : if (ZapSelectTx(txids_to_delete, deleted_txids) != DBErrors::LOAD_OK) {
3937 [ # # ]: 0 : error = _("Error: Could not delete watchonly transactions");
3938 : 0 : return false;
3939 : : }
3940 [ # # ][ # # ]: 0 : if (deleted_txids != txids_to_delete) {
3941 [ # # ]: 0 : error = _("Error: Not all watchonly txs could be deleted");
3942 : 0 : return false;
3943 : : }
3944 : : // Tell the GUI of each tx
3945 [ # # ]: 0 : for (const uint256& txid : deleted_txids) {
3946 [ # # ]: 0 : NotifyTransactionChanged(txid, CT_UPDATED);
3947 : : }
3948 [ # # ]: 0 : }
3949 : :
3950 : : // Check the address book data in the same way we did for transactions
3951 : 0 : std::vector<CTxDestination> dests_to_delete;
3952 [ # # ]: 0 : for (const auto& addr_pair : m_address_book) {
3953 : : // Labels applied to receiving addresses should go based on IsMine
3954 [ # # ][ # # ]: 0 : if (addr_pair.second.purpose == AddressPurpose::RECEIVE) {
3955 [ # # ][ # # ]: 0 : if (!IsMine(addr_pair.first)) {
3956 : : // Check the address book data is the watchonly wallet's
3957 [ # # ]: 0 : if (data.watchonly_wallet) {
3958 [ # # ][ # # ]: 0 : LOCK(data.watchonly_wallet->cs_wallet);
3959 [ # # ][ # # ]: 0 : if (data.watchonly_wallet->IsMine(addr_pair.first)) {
3960 : : // Add to the watchonly. Preserve the labels, purpose, and change-ness
3961 [ # # ]: 0 : std::string label = addr_pair.second.GetLabel();
3962 [ # # ]: 0 : data.watchonly_wallet->m_address_book[addr_pair.first].purpose = addr_pair.second.purpose;
3963 [ # # ][ # # ]: 0 : if (!addr_pair.second.IsChange()) {
3964 [ # # ][ # # ]: 0 : data.watchonly_wallet->m_address_book[addr_pair.first].SetLabel(label);
[ # # ]
3965 : 0 : }
3966 [ # # ]: 0 : dests_to_delete.push_back(addr_pair.first);
3967 : : continue;
3968 : 0 : }
3969 [ # # ]: 0 : }
3970 [ # # ]: 0 : if (data.solvable_wallet) {
3971 [ # # ][ # # ]: 0 : LOCK(data.solvable_wallet->cs_wallet);
3972 [ # # ][ # # ]: 0 : if (data.solvable_wallet->IsMine(addr_pair.first)) {
3973 : : // Add to the solvable. Preserve the labels, purpose, and change-ness
3974 [ # # ]: 0 : std::string label = addr_pair.second.GetLabel();
3975 [ # # ]: 0 : data.solvable_wallet->m_address_book[addr_pair.first].purpose = addr_pair.second.purpose;
3976 [ # # ][ # # ]: 0 : if (!addr_pair.second.IsChange()) {
3977 [ # # ][ # # ]: 0 : data.solvable_wallet->m_address_book[addr_pair.first].SetLabel(label);
[ # # ]
3978 : 0 : }
3979 [ # # ]: 0 : dests_to_delete.push_back(addr_pair.first);
3980 : : continue;
3981 : 0 : }
3982 [ # # ]: 0 : }
3983 : :
3984 : : // Skip invalid/non-watched scripts that will not be migrated
3985 [ # # ][ # # ]: 0 : if (not_migrated_dests.count(addr_pair.first) > 0) {
3986 [ # # ]: 0 : dests_to_delete.push_back(addr_pair.first);
3987 : 0 : continue;
3988 : : }
3989 : :
3990 : : // Not ours, not in watchonly wallet, and not in solvable
3991 [ # # ]: 0 : error = _("Error: Address book data in wallet cannot be identified to belong to migrated wallets");
3992 : 0 : return false;
3993 : : }
3994 : 0 : } else {
3995 : : // Labels for everything else ("send") should be cloned to all
3996 [ # # ]: 0 : if (data.watchonly_wallet) {
3997 [ # # ][ # # ]: 0 : LOCK(data.watchonly_wallet->cs_wallet);
3998 : : // Add to the watchonly. Preserve the labels, purpose, and change-ness
3999 [ # # ]: 0 : std::string label = addr_pair.second.GetLabel();
4000 [ # # ]: 0 : data.watchonly_wallet->m_address_book[addr_pair.first].purpose = addr_pair.second.purpose;
4001 [ # # ][ # # ]: 0 : if (!addr_pair.second.IsChange()) {
4002 [ # # ][ # # ]: 0 : data.watchonly_wallet->m_address_book[addr_pair.first].SetLabel(label);
[ # # ]
4003 : 0 : }
4004 : 0 : }
4005 [ # # ]: 0 : if (data.solvable_wallet) {
4006 [ # # ][ # # ]: 0 : LOCK(data.solvable_wallet->cs_wallet);
4007 : : // Add to the solvable. Preserve the labels, purpose, and change-ness
4008 [ # # ]: 0 : std::string label = addr_pair.second.GetLabel();
4009 [ # # ]: 0 : data.solvable_wallet->m_address_book[addr_pair.first].purpose = addr_pair.second.purpose;
4010 [ # # ][ # # ]: 0 : if (!addr_pair.second.IsChange()) {
4011 [ # # ][ # # ]: 0 : data.solvable_wallet->m_address_book[addr_pair.first].SetLabel(label);
[ # # ]
4012 : 0 : }
4013 : 0 : }
4014 : : }
4015 : : }
4016 : :
4017 : : // Persist added address book entries (labels, purpose) for watchonly and solvable wallets
4018 : 0 : auto persist_address_book = [](const CWallet& wallet) {
4019 : 0 : LOCK(wallet.cs_wallet);
4020 [ # # ]: 0 : WalletBatch batch{wallet.GetDatabase()};
4021 [ # # ]: 0 : for (const auto& [destination, addr_book_data] : wallet.m_address_book) {
4022 [ # # ]: 0 : auto address{EncodeDestination(destination)};
4023 [ # # ][ # # ]: 0 : std::optional<std::string> label = addr_book_data.IsChange() ? std::nullopt : std::make_optional(addr_book_data.GetLabel());
[ # # ]
4024 : : // don't bother writing default values (unknown purpose)
4025 [ # # ][ # # ]: 0 : if (addr_book_data.purpose) batch.WritePurpose(address, PurposeToString(*addr_book_data.purpose));
[ # # ]
4026 [ # # ][ # # ]: 0 : if (label) batch.WriteName(address, *label);
4027 : 0 : }
4028 : 0 : };
4029 [ # # ][ # # ]: 0 : if (data.watchonly_wallet) persist_address_book(*data.watchonly_wallet);
4030 [ # # ][ # # ]: 0 : if (data.solvable_wallet) persist_address_book(*data.solvable_wallet);
4031 : :
4032 : : // Remove the things to delete
4033 [ # # ]: 0 : if (dests_to_delete.size() > 0) {
4034 [ # # ]: 0 : for (const auto& dest : dests_to_delete) {
4035 [ # # ][ # # ]: 0 : if (!DelAddressBook(dest)) {
4036 [ # # ]: 0 : error = _("Error: Unable to remove watchonly address book data");
4037 : 0 : return false;
4038 : : }
4039 : : }
4040 : 0 : }
4041 : :
4042 : : // Connect the SPKM signals
4043 [ # # ]: 0 : ConnectScriptPubKeyManNotifiers();
4044 [ # # ]: 0 : NotifyCanGetAddressesChanged();
4045 : :
4046 [ # # ]: 0 : WalletLogPrintf("Wallet migration complete.\n");
4047 : :
4048 : 0 : return true;
4049 : 0 : }
4050 : :
4051 : 0 : bool CWallet::CanGrindR() const
4052 : : {
4053 : 0 : return !IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER);
4054 : : }
4055 : :
4056 : 0 : bool DoMigration(CWallet& wallet, WalletContext& context, bilingual_str& error, MigrationResult& res) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
4057 : : {
4058 : 0 : AssertLockHeld(wallet.cs_wallet);
4059 : :
4060 : : // Get all of the descriptors from the legacy wallet
4061 : 0 : std::optional<MigrationData> data = wallet.GetDescriptorsForLegacy(error);
4062 [ # # ]: 0 : if (data == std::nullopt) return false;
4063 : :
4064 : : // Create the watchonly and solvable wallets if necessary
4065 [ # # ][ # # ]: 0 : if (data->watch_descs.size() > 0 || data->solvable_descs.size() > 0) {
4066 : 0 : DatabaseOptions options;
4067 : 0 : options.require_existing = false;
4068 : 0 : options.require_create = true;
4069 : :
4070 : : // Make the wallets
4071 : 0 : options.create_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET | WALLET_FLAG_DESCRIPTORS;
4072 [ # # ]: 0 : if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
4073 : 0 : options.create_flags |= WALLET_FLAG_AVOID_REUSE;
4074 : 0 : }
4075 [ # # ]: 0 : if (wallet.IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
4076 : 0 : options.create_flags |= WALLET_FLAG_KEY_ORIGIN_METADATA;
4077 : 0 : }
4078 [ # # ]: 0 : if (data->watch_descs.size() > 0) {
4079 [ # # ]: 0 : wallet.WalletLogPrintf("Making a new watchonly wallet containing the watched scripts\n");
4080 : :
4081 : : DatabaseStatus status;
4082 : 0 : std::vector<bilingual_str> warnings;
4083 [ # # ][ # # ]: 0 : std::string wallet_name = wallet.GetName() + "_watchonly";
4084 [ # # ]: 0 : data->watchonly_wallet = CreateWallet(context, wallet_name, std::nullopt, options, status, error, warnings);
4085 [ # # ]: 0 : if (status != DatabaseStatus::SUCCESS) {
4086 [ # # ]: 0 : error = _("Error: Failed to create new watchonly wallet");
4087 : 0 : return false;
4088 : : }
4089 : 0 : res.watchonly_wallet = data->watchonly_wallet;
4090 [ # # ][ # # ]: 0 : LOCK(data->watchonly_wallet->cs_wallet);
4091 : :
4092 : : // Parse the descriptors and add them to the new wallet
4093 [ # # ]: 0 : for (const auto& [desc_str, creation_time] : data->watch_descs) {
4094 : : // Parse the descriptor
4095 : 0 : FlatSigningProvider keys;
4096 : 0 : std::string parse_err;
4097 [ # # ]: 0 : std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
4098 [ # # ]: 0 : assert(desc); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor
4099 [ # # ][ # # ]: 0 : assert(!desc->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
4100 : :
4101 : : // Add to the wallet
4102 [ # # ][ # # ]: 0 : WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
4103 [ # # ][ # # ]: 0 : data->watchonly_wallet->AddWalletDescriptor(w_desc, keys, "", false);
4104 : 0 : }
4105 : :
4106 : : // Add the wallet to settings
4107 [ # # ]: 0 : UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
4108 [ # # ]: 0 : }
4109 [ # # ]: 0 : if (data->solvable_descs.size() > 0) {
4110 [ # # ]: 0 : wallet.WalletLogPrintf("Making a new watchonly wallet containing the unwatched solvable scripts\n");
4111 : :
4112 : : DatabaseStatus status;
4113 : 0 : std::vector<bilingual_str> warnings;
4114 [ # # ][ # # ]: 0 : std::string wallet_name = wallet.GetName() + "_solvables";
4115 [ # # ]: 0 : data->solvable_wallet = CreateWallet(context, wallet_name, std::nullopt, options, status, error, warnings);
4116 [ # # ]: 0 : if (status != DatabaseStatus::SUCCESS) {
4117 [ # # ]: 0 : error = _("Error: Failed to create new watchonly wallet");
4118 : 0 : return false;
4119 : : }
4120 : 0 : res.solvables_wallet = data->solvable_wallet;
4121 [ # # ][ # # ]: 0 : LOCK(data->solvable_wallet->cs_wallet);
4122 : :
4123 : : // Parse the descriptors and add them to the new wallet
4124 [ # # ]: 0 : for (const auto& [desc_str, creation_time] : data->solvable_descs) {
4125 : : // Parse the descriptor
4126 : 0 : FlatSigningProvider keys;
4127 : 0 : std::string parse_err;
4128 [ # # ]: 0 : std::unique_ptr<Descriptor> desc = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
4129 [ # # ]: 0 : assert(desc); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor
4130 [ # # ][ # # ]: 0 : assert(!desc->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
4131 : :
4132 : : // Add to the wallet
4133 [ # # ][ # # ]: 0 : WalletDescriptor w_desc(std::move(desc), creation_time, 0, 0, 0);
4134 [ # # ][ # # ]: 0 : data->solvable_wallet->AddWalletDescriptor(w_desc, keys, "", false);
4135 : 0 : }
4136 : :
4137 : : // Add the wallet to settings
4138 [ # # ]: 0 : UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
4139 [ # # ]: 0 : }
4140 [ # # ]: 0 : }
4141 : :
4142 : : // Add the descriptors to wallet, remove LegacyScriptPubKeyMan, and cleanup txs and address book data
4143 [ # # ][ # # ]: 0 : if (!wallet.ApplyMigrationData(*data, error)) {
4144 : 0 : return false;
4145 : : }
4146 : 0 : return true;
4147 : 0 : }
4148 : :
4149 : 0 : util::Result<MigrationResult> MigrateLegacyToDescriptor(const std::string& wallet_name, const SecureString& passphrase, WalletContext& context)
4150 : : {
4151 : 0 : MigrationResult res;
4152 : 0 : bilingual_str error;
4153 : 0 : std::vector<bilingual_str> warnings;
4154 : :
4155 : : // If the wallet is still loaded, unload it so that nothing else tries to use it while we're changing it
4156 [ # # ][ # # ]: 0 : if (auto wallet = GetWallet(context, wallet_name)) {
[ # # ]
4157 [ # # ][ # # ]: 0 : if (!RemoveWallet(context, wallet, /*load_on_start=*/std::nullopt, warnings)) {
4158 [ # # ][ # # ]: 0 : return util::Error{_("Unable to unload the wallet before migrating")};
4159 : : }
4160 [ # # ]: 0 : UnloadWallet(std::move(wallet));
4161 : 0 : }
4162 : :
4163 : : // Load the wallet but only in the context of this function.
4164 : : // No signals should be connected nor should anything else be aware of this wallet
4165 [ # # ]: 0 : WalletContext empty_context;
4166 : 0 : empty_context.args = context.args;
4167 : 0 : DatabaseOptions options;
4168 : 0 : options.require_existing = true;
4169 : : DatabaseStatus status;
4170 [ # # ]: 0 : std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
4171 [ # # ]: 0 : if (!database) {
4172 [ # # ][ # # ]: 0 : return util::Error{Untranslated("Wallet file verification failed.") + Untranslated(" ") + error};
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
4173 : : }
4174 : :
4175 : : // Make the local wallet
4176 [ # # ]: 0 : std::shared_ptr<CWallet> local_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
4177 [ # # ]: 0 : if (!local_wallet) {
4178 [ # # ][ # # ]: 0 : return util::Error{Untranslated("Wallet loading failed.") + Untranslated(" ") + error};
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
4179 : : }
4180 : :
4181 : : // Before anything else, check if there is something to migrate.
4182 [ # # ][ # # ]: 0 : if (!local_wallet->GetLegacyScriptPubKeyMan()) {
4183 [ # # ][ # # ]: 0 : return util::Error{_("Error: This wallet is already a descriptor wallet")};
4184 : : }
4185 : :
4186 : : // Make a backup of the DB
4187 [ # # ][ # # ]: 0 : fs::path this_wallet_dir = fs::absolute(fs::PathFromString(local_wallet->GetDatabase().Filename())).parent_path();
[ # # ][ # # ]
[ # # ][ # # ]
4188 [ # # ][ # # ]: 0 : fs::path backup_filename = fs::PathFromString(strprintf("%s-%d.legacy.bak", wallet_name, GetTime()));
[ # # ]
4189 [ # # ][ # # ]: 0 : fs::path backup_path = this_wallet_dir / backup_filename;
[ # # ]
4190 [ # # ][ # # ]: 0 : if (!local_wallet->BackupWallet(fs::PathToString(backup_path))) {
[ # # ]
4191 [ # # ][ # # ]: 0 : return util::Error{_("Error: Unable to make a backup of your wallet")};
4192 : : }
4193 [ # # ]: 0 : res.backup_path = backup_path;
4194 : :
4195 : 0 : bool success = false;
4196 : : {
4197 [ # # ][ # # ]: 0 : LOCK(local_wallet->cs_wallet);
4198 : :
4199 : : // Unlock the wallet if needed
4200 [ # # ][ # # ]: 0 : if (local_wallet->IsLocked() && !local_wallet->Unlock(passphrase)) {
[ # # ][ # # ]
4201 [ # # ]: 0 : if (passphrase.find('\0') == std::string::npos) {
4202 [ # # ][ # # ]: 0 : return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase was not provided or was incorrect.")};
[ # # ]
4203 : : } else {
4204 [ # # ][ # # ]: 0 : return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase entered was incorrect. "
[ # # ]
4205 : : "The passphrase contains a null character (ie - a zero byte). "
4206 : : "If this passphrase was set with a version of this software prior to 25.0, "
4207 : : "please try again with only the characters up to — but not including — "
4208 : : "the first null character.")};
4209 : : }
4210 : : }
4211 : :
4212 : : // First change to using SQLite
4213 [ # # ][ # # ]: 0 : if (!local_wallet->MigrateToSQLite(error)) return util::Error{error};
[ # # ][ # # ]
4214 : :
4215 : : // Do the migration, and cleanup if it fails
4216 [ # # ]: 0 : success = DoMigration(*local_wallet, context, error, res);
4217 [ # # ]: 0 : }
4218 : :
4219 [ # # ]: 0 : if (success) {
4220 : : // Migration successful, unload the wallet locally, then reload it.
4221 [ # # ]: 0 : assert(local_wallet.use_count() == 1);
4222 : 0 : local_wallet.reset();
4223 [ # # ]: 0 : res.wallet = LoadWallet(context, wallet_name, /*load_on_start=*/std::nullopt, options, status, error, warnings);
4224 [ # # ]: 0 : res.wallet_name = wallet_name;
4225 : 0 : } else {
4226 : : // Migration failed, cleanup
4227 : : // Copy the backup to the actual wallet dir
4228 [ # # ][ # # ]: 0 : fs::path temp_backup_location = fsbridge::AbsPathJoin(GetWalletDir(), backup_filename);
4229 [ # # ]: 0 : fs::copy_file(backup_path, temp_backup_location, fs::copy_options::none);
4230 : :
4231 : : // Remember this wallet's walletdir to remove after unloading
4232 : 0 : std::vector<fs::path> wallet_dirs;
4233 [ # # ][ # # ]: 0 : wallet_dirs.push_back(fs::PathFromString(local_wallet->GetDatabase().Filename()).parent_path());
[ # # ][ # # ]
[ # # ][ # # ]
4234 : :
4235 : : // Unload the wallet locally
4236 [ # # ]: 0 : assert(local_wallet.use_count() == 1);
4237 : 0 : local_wallet.reset();
4238 : :
4239 : : // Make list of wallets to cleanup
4240 : 0 : std::vector<std::shared_ptr<CWallet>> created_wallets;
4241 [ # # ][ # # ]: 0 : if (res.watchonly_wallet) created_wallets.push_back(std::move(res.watchonly_wallet));
4242 [ # # ][ # # ]: 0 : if (res.solvables_wallet) created_wallets.push_back(std::move(res.solvables_wallet));
4243 : :
4244 : : // Get the directories to remove after unloading
4245 [ # # ]: 0 : for (std::shared_ptr<CWallet>& w : created_wallets) {
4246 [ # # ][ # # ]: 0 : wallet_dirs.push_back(fs::PathFromString(w->GetDatabase().Filename()).parent_path());
[ # # ][ # # ]
[ # # ][ # # ]
4247 : : }
4248 : :
4249 : : // Unload the wallets
4250 [ # # ]: 0 : for (std::shared_ptr<CWallet>& w : created_wallets) {
4251 [ # # ][ # # ]: 0 : if (!RemoveWallet(context, w, /*load_on_start=*/false)) {
4252 [ # # ][ # # ]: 0 : error += _("\nUnable to cleanup failed migration");
4253 [ # # ][ # # ]: 0 : return util::Error{error};
4254 : : }
4255 [ # # ]: 0 : UnloadWallet(std::move(w));
4256 : : }
4257 : :
4258 : : // Delete the wallet directories
4259 [ # # ]: 0 : for (fs::path& dir : wallet_dirs) {
4260 [ # # ]: 0 : fs::remove_all(dir);
4261 : : }
4262 : :
4263 : : // Restore the backup
4264 : : DatabaseStatus status;
4265 : 0 : std::vector<bilingual_str> warnings;
4266 [ # # ][ # # ]: 0 : if (!RestoreWallet(context, temp_backup_location, wallet_name, /*load_on_start=*/std::nullopt, status, error, warnings)) {
4267 [ # # ][ # # ]: 0 : error += _("\nUnable to restore backup of wallet.");
4268 [ # # ][ # # ]: 0 : return util::Error{error};
4269 : : }
4270 : :
4271 : : // Move the backup to the wallet dir
4272 [ # # ]: 0 : fs::copy_file(temp_backup_location, backup_path, fs::copy_options::none);
4273 [ # # ]: 0 : fs::remove(temp_backup_location);
4274 : :
4275 [ # # ][ # # ]: 0 : return util::Error{error};
4276 : 0 : }
4277 [ # # ]: 0 : return res;
4278 : 0 : }
4279 : : } // namespace wallet
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