LCOV - code coverage report
Current view: top level - src/wallet - wallet.cpp (source / functions) Coverage Total Hit
Test: total_coverage.info Lines: 90.2 % 2518 2270
Test Date: 2026-07-15 08:36:47 Functions: 98.2 % 224 220
Branches: 57.0 % 3922 2234

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2009-2010 Satoshi Nakamoto
       2                 :             : // Copyright (c) 2009-present 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                 :             : #include <bitcoin-build-config.h> // IWYU pragma: keep
       9                 :             : 
      10                 :             : #include <addresstype.h>
      11                 :             : #include <blockfilter.h>
      12                 :             : #include <chain.h>
      13                 :             : #include <coins.h>
      14                 :             : #include <common/args.h>
      15                 :             : #include <common/messages.h>
      16                 :             : #include <common/settings.h>
      17                 :             : #include <common/signmessage.h>
      18                 :             : #include <common/system.h>
      19                 :             : #include <consensus/amount.h>
      20                 :             : #include <consensus/consensus.h>
      21                 :             : #include <consensus/validation.h>
      22                 :             : #include <external_signer.h>
      23                 :             : #include <interfaces/chain.h>
      24                 :             : #include <interfaces/handler.h>
      25                 :             : #include <interfaces/wallet.h>
      26                 :             : #include <kernel/mempool_removal_reason.h>
      27                 :             : #include <kernel/types.h>
      28                 :             : #include <key.h>
      29                 :             : #include <key_io.h>
      30                 :             : #include <node/types.h>
      31                 :             : #include <outputtype.h>
      32                 :             : #include <policy/feerate.h>
      33                 :             : #include <policy/truc_policy.h>
      34                 :             : #include <primitives/block.h>
      35                 :             : #include <primitives/transaction.h>
      36                 :             : #include <psbt.h>
      37                 :             : #include <pubkey.h>
      38                 :             : #include <random.h>
      39                 :             : #include <script/descriptor.h>
      40                 :             : #include <script/interpreter.h>
      41                 :             : #include <script/script.h>
      42                 :             : #include <script/sign.h>
      43                 :             : #include <script/signingprovider.h>
      44                 :             : #include <script/solver.h>
      45                 :             : #include <serialize.h>
      46                 :             : #include <span.h>
      47                 :             : #include <streams.h>
      48                 :             : #include <support/allocators/secure.h>
      49                 :             : #include <support/allocators/zeroafterfree.h>
      50                 :             : #include <support/cleanse.h>
      51                 :             : #include <sync.h>
      52                 :             : #include <tinyformat.h>
      53                 :             : #include <uint256.h>
      54                 :             : #include <univalue.h>
      55                 :             : #include <util/check.h>
      56                 :             : #include <util/fs.h>
      57                 :             : #include <util/fs_helpers.h>
      58                 :             : #include <util/log.h>
      59                 :             : #include <util/moneystr.h>
      60                 :             : #include <util/result.h>
      61                 :             : #include <util/string.h>
      62                 :             : #include <util/time.h>
      63                 :             : #include <util/translation.h>
      64                 :             : #include <wallet/coincontrol.h>
      65                 :             : #include <wallet/context.h>
      66                 :             : #include <wallet/crypter.h>
      67                 :             : #include <wallet/db.h>
      68                 :             : #include <wallet/external_signer_scriptpubkeyman.h>
      69                 :             : #include <wallet/scriptpubkeyman.h>
      70                 :             : #include <wallet/transaction.h>
      71                 :             : #include <wallet/types.h>
      72                 :             : #include <wallet/walletdb.h>
      73                 :             : #include <wallet/walletutil.h>
      74                 :             : 
      75                 :             : #include <algorithm>
      76                 :             : #include <cassert>
      77                 :             : #include <condition_variable>
      78                 :             : #include <exception>
      79                 :             : #include <optional>
      80                 :             : #include <stdexcept>
      81                 :             : #include <thread>
      82                 :             : #include <tuple>
      83                 :             : #include <variant>
      84                 :             : 
      85                 :             : struct KeyOriginInfo;
      86                 :             : 
      87                 :             : using common::AmountErrMsg;
      88                 :             : using common::AmountHighWarn;
      89                 :             : using common::PSBTError;
      90                 :             : using interfaces::FoundBlock;
      91                 :             : using kernel::ChainstateRole;
      92                 :             : using util::ReplaceAll;
      93                 :             : using util::ToString;
      94                 :             : 
      95                 :             : namespace wallet {
      96                 :             : 
      97                 :         188 : bool AddWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
      98                 :             : {
      99                 :         376 :     const auto update_function = [&wallet_name](common::SettingsValue& setting_value) {
     100         [ +  + ]:         188 :         if (!setting_value.isArray()) setting_value.setArray();
     101         [ +  + ]:         350 :         for (const auto& value : setting_value.getValues()) {
     102   [ +  -  +  - ]:         162 :             if (value.isStr() && value.get_str() == wallet_name) return interfaces::SettingsAction::SKIP_WRITE;
     103                 :             :         }
     104         [ +  - ]:         188 :         setting_value.push_back(wallet_name);
     105                 :         188 :         return interfaces::SettingsAction::WRITE;
     106                 :         188 :     };
     107   [ +  -  +  - ]:         188 :     return chain.updateRwSetting("wallet", update_function);
     108                 :             : }
     109                 :             : 
     110                 :          21 : bool RemoveWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
     111                 :             : {
     112                 :          42 :     const auto update_function = [&wallet_name](common::SettingsValue& setting_value) {
     113         [ +  + ]:          21 :         if (!setting_value.isArray()) {
     114   [ +  +  +  - ]:           3 :             if (wallet_name.empty() && setting_value.isNull()) {
     115                 :             :                 // Empty setting suppresses backwards-compatible default wallet autoload.
     116                 :           1 :                 setting_value.setArray();
     117                 :           1 :                 return interfaces::SettingsAction::WRITE;
     118                 :             :             }
     119                 :             :             return interfaces::SettingsAction::SKIP_WRITE;
     120                 :             :         }
     121                 :          18 :         common::SettingsValue new_value(common::SettingsValue::VARR);
     122   [ +  -  +  + ]:          77 :         for (const auto& value : setting_value.getValues()) {
     123   [ +  -  +  -  :          59 :             if (!value.isStr() || value.get_str() != wallet_name) new_value.push_back(value);
          +  +  +  -  +  
                      - ]
     124                 :             :         }
     125   [ -  +  -  +  :          18 :         if (new_value.size() == setting_value.size()) return interfaces::SettingsAction::SKIP_WRITE;
                   +  + ]
     126                 :          10 :         setting_value = std::move(new_value);
     127                 :          10 :         return interfaces::SettingsAction::WRITE;
     128                 :          18 :     };
     129   [ +  -  +  - ]:          21 :     return chain.updateRwSetting("wallet", update_function);
     130                 :             : }
     131                 :             : 
     132                 :        1751 : static void UpdateWalletSetting(interfaces::Chain& chain,
     133                 :             :                                 const std::string& wallet_name,
     134                 :             :                                 std::optional<bool> load_on_startup,
     135                 :             :                                 std::vector<bilingual_str>& warnings)
     136                 :             : {
     137         [ +  + ]:        1751 :     if (!load_on_startup) return;
     138   [ +  +  -  + ]:         199 :     if (load_on_startup.value() && !AddWalletSetting(chain, wallet_name)) {
     139   [ #  #  #  # ]:           0 :         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may not be loaded next node startup."));
     140   [ +  +  -  + ]:         199 :     } else if (!load_on_startup.value() && !RemoveWalletSetting(chain, wallet_name)) {
     141   [ #  #  #  # ]:           0 :         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may still be loaded next node startup."));
     142                 :             :     }
     143                 :             : }
     144                 :             : 
     145                 :             : /**
     146                 :             :  * Refresh mempool status so the wallet is in an internally consistent state and
     147                 :             :  * immediately knows the transaction's status: Whether it can be considered
     148                 :             :  * trusted and is eligible to be abandoned ...
     149                 :             :  */
     150                 :       17454 : static void RefreshMempoolStatus(CWalletTx& tx, interfaces::Chain& chain)
     151                 :             : {
     152         [ +  + ]:       17454 :     if (chain.isInMempool(tx.GetHash())) {
     153         [ -  + ]:        3616 :         tx.m_state = TxStateInMempool();
     154         [ +  + ]:       13838 :     } else if (tx.state<TxStateInMempool>()) {
     155         [ -  + ]:         289 :         tx.m_state = TxStateInactive();
     156                 :             :     }
     157                 :       17454 : }
     158                 :             : 
     159                 :         912 : bool AddWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     160                 :             : {
     161                 :         912 :     LOCK(context.wallets_mutex);
     162         [ -  + ]:         912 :     assert(wallet);
     163         [ +  - ]:         912 :     std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     164         [ +  - ]:         912 :     if (i != context.wallets.end()) return false;
     165         [ +  - ]:         912 :     context.wallets.push_back(wallet);
     166         [ +  - ]:         912 :     wallet->ConnectScriptPubKeyManNotifiers();
     167         [ +  - ]:         912 :     wallet->NotifyCanGetAddressesChanged();
     168                 :             :     return true;
     169                 :         912 : }
     170                 :             : 
     171                 :         912 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start, std::vector<bilingual_str>& warnings)
     172                 :             : {
     173         [ -  + ]:         912 :     assert(wallet);
     174                 :             : 
     175                 :         912 :     interfaces::Chain& chain = wallet->chain();
     176         [ -  + ]:         912 :     std::string name = wallet->GetName();
     177   [ +  -  +  - ]:        2736 :     WITH_LOCK(wallet->cs_wallet, wallet->WriteBestBlock());
     178                 :             : 
     179                 :             :     // Unregister with the validation interface which also drops shared pointers.
     180         [ +  - ]:         912 :     wallet->DisconnectChainNotifications();
     181                 :         912 :     {
     182         [ +  - ]:         912 :         LOCK(context.wallets_mutex);
     183                 :         912 :         std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     184   [ -  +  -  - ]:         912 :         if (i == context.wallets.end()) return false;
     185         [ +  - ]:         912 :         context.wallets.erase(i);
     186                 :           0 :     }
     187                 :             :     // Notify unload so that upper layers release the shared pointer.
     188         [ +  - ]:         912 :     wallet->NotifyUnload();
     189                 :             : 
     190                 :             :     // Write the wallet setting
     191         [ +  - ]:         912 :     UpdateWalletSetting(chain, name, load_on_start, warnings);
     192                 :             : 
     193                 :             :     return true;
     194                 :         912 : }
     195                 :             : 
     196                 :           0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start)
     197                 :             : {
     198                 :           0 :     std::vector<bilingual_str> warnings;
     199         [ #  # ]:           0 :     return RemoveWallet(context, wallet, load_on_start, warnings);
     200                 :           0 : }
     201                 :             : 
     202                 :        1352 : std::vector<std::shared_ptr<CWallet>> GetWallets(WalletContext& context)
     203                 :             : {
     204                 :        1352 :     LOCK(context.wallets_mutex);
     205         [ +  - ]:        1352 :     return context.wallets;
     206                 :        1352 : }
     207                 :             : 
     208                 :        4587 : std::shared_ptr<CWallet> GetDefaultWallet(WalletContext& context, size_t& count)
     209                 :             : {
     210                 :        4587 :     LOCK(context.wallets_mutex);
     211         [ -  + ]:        4587 :     count = context.wallets.size();
     212   [ +  +  +  -  :        9165 :     return count == 1 ? context.wallets[0] : nullptr;
                   +  - ]
     213                 :        4587 : }
     214                 :             : 
     215                 :       16082 : std::shared_ptr<CWallet> GetWallet(WalletContext& context, const std::string& name)
     216                 :             : {
     217                 :       16082 :     LOCK(context.wallets_mutex);
     218         [ +  + ]:       77727 :     for (const std::shared_ptr<CWallet>& wallet : context.wallets) {
     219   [ +  +  +  -  :       93753 :         if (wallet->GetName() == name) return wallet;
                   +  - ]
     220                 :             :     }
     221                 :          56 :     return nullptr;
     222                 :       16082 : }
     223                 :             : 
     224                 :           1 : std::unique_ptr<interfaces::Handler> HandleLoadWallet(WalletContext& context, LoadWalletFn load_wallet)
     225                 :             : {
     226                 :           1 :     LOCK(context.wallets_mutex);
     227         [ +  - ]:           1 :     auto it = context.wallet_load_fns.emplace(context.wallet_load_fns.end(), std::move(load_wallet));
     228   [ +  -  +  -  :           3 :     return interfaces::MakeCleanupHandler([&context, it] { LOCK(context.wallets_mutex); context.wallet_load_fns.erase(it); });
                   +  - ]
     229                 :           1 : }
     230                 :             : 
     231                 :         917 : void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     232                 :             : {
     233                 :         917 :     LOCK(context.wallets_mutex);
     234         [ +  + ]:         918 :     for (auto& load_wallet : context.wallet_load_fns) {
     235   [ +  -  +  - ]:           1 :         load_wallet(interfaces::MakeWallet(context, wallet));
     236                 :             :     }
     237                 :         917 : }
     238                 :             : 
     239                 :             : static GlobalMutex g_loading_wallet_mutex;
     240                 :             : static GlobalMutex g_wallet_release_mutex;
     241                 :             : static std::condition_variable g_wallet_release_cv;
     242                 :             : static std::set<std::string> g_loading_wallet_set GUARDED_BY(g_loading_wallet_mutex);
     243                 :             : static std::set<std::string> g_unloading_wallet_set GUARDED_BY(g_wallet_release_mutex);
     244                 :             : 
     245                 :             : // Custom deleter for shared_ptr<CWallet>.
     246                 :        1006 : static void FlushAndDeleteWallet(CWallet* wallet)
     247                 :             : {
     248         [ -  + ]:        1006 :     const std::string name = wallet->GetName();
     249         [ +  - ]:        1006 :     wallet->WalletLogPrintf("Releasing wallet %s..\n", name);
     250                 :        1006 :     delete wallet;
     251                 :             :     // Wallet is now released, notify WaitForDeleteWallet, if any.
     252                 :        1006 :     {
     253         [ +  - ]:        1006 :         LOCK(g_wallet_release_mutex);
     254         [ +  + ]:        1006 :         if (g_unloading_wallet_set.erase(name) == 0) {
     255                 :             :             // WaitForDeleteWallet was not called for this wallet, all done.
     256         [ +  - ]:          89 :             return;
     257                 :             :         }
     258                 :          89 :     }
     259                 :         917 :     g_wallet_release_cv.notify_all();
     260                 :        1006 : }
     261                 :             : 
     262                 :         917 : void WaitForDeleteWallet(std::shared_ptr<CWallet>&& wallet)
     263                 :             : {
     264                 :             :     // Mark wallet for unloading.
     265         [ -  + ]:         917 :     const std::string name = wallet->GetName();
     266                 :         917 :     {
     267         [ +  - ]:         917 :         LOCK(g_wallet_release_mutex);
     268         [ +  - ]:         917 :         g_unloading_wallet_set.insert(name);
     269                 :             :         // Do not expect to be the only one removing this wallet.
     270                 :             :         // Multiple threads could simultaneously be waiting for deletion.
     271                 :           0 :     }
     272                 :             : 
     273                 :             :     // Time to ditch our shared_ptr and wait for FlushAndDeleteWallet call.
     274                 :         917 :     wallet.reset();
     275                 :         917 :     {
     276         [ +  - ]:         917 :         WAIT_LOCK(g_wallet_release_mutex, lock);
     277         [ -  + ]:         917 :         while (g_unloading_wallet_set.contains(name)) {
     278         [ #  # ]:           0 :             g_wallet_release_cv.wait(lock);
     279                 :             :         }
     280                 :         917 :     }
     281                 :         917 : }
     282                 :             : 
     283                 :             : namespace {
     284                 :         243 : 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)
     285                 :             : {
     286                 :         243 :     try {
     287         [ +  - ]:         243 :         std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     288         [ +  + ]:         243 :         if (!database) {
     289   [ +  -  +  -  :         133 :             error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          +  -  +  -  +  
                      - ]
     290                 :          19 :             return nullptr;
     291                 :             :         }
     292                 :             : 
     293   [ +  -  +  - ]:         224 :         context.chain->initMessage(_("Loading wallet…"));
     294         [ +  - ]:         224 :         std::shared_ptr<CWallet> wallet = CWallet::LoadExisting(context, name, std::move(database), error, warnings);
     295         [ +  + ]:         224 :         if (!wallet) {
     296   [ +  -  +  -  :          84 :             error = Untranslated("Wallet loading failed.") + Untranslated(" ") + error;
          +  -  +  -  +  
                      - ]
     297                 :          12 :             status = DatabaseStatus::FAILED_LOAD;
     298                 :          12 :             return nullptr;
     299                 :             :         }
     300                 :             : 
     301         [ +  - ]:         212 :         NotifyWalletLoaded(context, wallet);
     302         [ +  - ]:         212 :         AddWallet(context, wallet);
     303         [ +  - ]:         212 :         wallet->postInitProcess();
     304                 :             : 
     305                 :             :         // Write the wallet setting
     306         [ +  - ]:         212 :         UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     307                 :             : 
     308                 :         212 :         return wallet;
     309         [ -  - ]:         243 :     } catch (const std::runtime_error& e) {
     310   [ -  -  -  - ]:           0 :         error = Untranslated(e.what());
     311                 :           0 :         status = DatabaseStatus::FAILED_LOAD;
     312                 :           0 :         return nullptr;
     313                 :           0 :     }
     314                 :             : }
     315                 :             : 
     316                 :             : class FastWalletRescanFilter
     317                 :             : {
     318                 :             : public:
     319         [ +  - ]:           5 :     FastWalletRescanFilter(const CWallet& wallet) : m_wallet(wallet)
     320                 :             :     {
     321                 :             :         // create initial filter with scripts from all ScriptPubKeyMans
     322   [ +  -  +  + ]:          50 :         for (auto spkm : m_wallet.GetAllScriptPubKeyMans()) {
     323         [ +  - ]:          45 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(spkm)};
     324         [ -  + ]:          45 :             assert(desc_spkm != nullptr);
     325         [ +  - ]:          45 :             AddScriptPubKeys(desc_spkm);
     326                 :             :             // save each range descriptor's end for possible future filter updates
     327   [ +  -  +  + ]:          45 :             if (desc_spkm->IsHDEnabled()) {
     328   [ +  -  +  -  :          40 :                 m_last_range_ends.emplace(desc_spkm->GetID(), desc_spkm->GetEndRange());
                   +  - ]
     329                 :             :             }
     330                 :           0 :         }
     331                 :           5 :     }
     332                 :             : 
     333                 :         616 :     void UpdateIfNeeded()
     334                 :             :     {
     335                 :             :         // repopulate filter with new scripts if top-up has happened since last iteration
     336         [ +  + ]:        5544 :         for (const auto& [desc_spkm_id, last_range_end] : m_last_range_ends) {
     337         [ +  - ]:        4928 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(m_wallet.GetScriptPubKeyMan(desc_spkm_id))};
     338         [ -  + ]:        4928 :             assert(desc_spkm != nullptr);
     339                 :        4928 :             int32_t current_range_end{desc_spkm->GetEndRange()};
     340         [ +  + ]:        4928 :             if (current_range_end > last_range_end) {
     341                 :          64 :                 AddScriptPubKeys(desc_spkm, last_range_end);
     342                 :          64 :                 m_last_range_ends.at(desc_spkm->GetID()) = current_range_end;
     343                 :             :             }
     344                 :             :         }
     345                 :         616 :     }
     346                 :             : 
     347                 :         616 :     std::optional<bool> MatchesBlock(const uint256& block_hash) const
     348                 :             :     {
     349                 :         616 :         return m_wallet.chain().blockFilterMatchesAny(BlockFilterType::BASIC, block_hash, m_filter_set);
     350                 :             :     }
     351                 :             : 
     352                 :             : private:
     353                 :             :     const CWallet& m_wallet;
     354                 :             :     /** Map for keeping track of each range descriptor's last seen end range.
     355                 :             :       * This information is used to detect whether new addresses were derived
     356                 :             :       * (that is, if the current end range is larger than the saved end range)
     357                 :             :       * after processing a block and hence a filter set update is needed to
     358                 :             :       * take possible keypool top-ups into account.
     359                 :             :       */
     360                 :             :     std::map<uint256, int32_t> m_last_range_ends;
     361                 :             :     GCSFilter::ElementSet m_filter_set;
     362                 :             : 
     363                 :         109 :     void AddScriptPubKeys(const DescriptorScriptPubKeyMan* desc_spkm, int32_t last_range_end = 0)
     364                 :             :     {
     365   [ +  +  +  - ]:        9728 :         for (const auto& script_pub_key : desc_spkm->GetScriptPubKeys(last_range_end)) {
     366   [ +  -  +  - ]:       19238 :             m_filter_set.emplace(script_pub_key.begin(), script_pub_key.end());
     367                 :         109 :         }
     368                 :         109 :     }
     369                 :             : };
     370                 :             : } // namespace
     371                 :             : 
     372                 :         245 : 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)
     373                 :             : {
     374         [ +  - ]:         735 :     auto result = WITH_LOCK(g_loading_wallet_mutex, return g_loading_wallet_set.insert(name));
     375         [ +  + ]:         245 :     if (!result.second) {
     376         [ +  - ]:           4 :         error = Untranslated("Wallet already loading.");
     377                 :           2 :         status = DatabaseStatus::FAILED_LOAD;
     378                 :           2 :         return nullptr;
     379                 :             :     }
     380                 :         243 :     auto wallet = LoadWalletInternal(context, name, load_on_start, options, status, error, warnings);
     381   [ +  -  +  - ]:         486 :     WITH_LOCK(g_loading_wallet_mutex, g_loading_wallet_set.erase(result.first));
     382         [ -  + ]:         243 :     return wallet;
     383                 :         243 : }
     384                 :             : 
     385                 :         642 : 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)
     386                 :             : {
     387                 :             :     // Wallet must have a non-empty name
     388         [ +  + ]:         642 :     if (name.empty()) {
     389         [ +  - ]:           4 :         error = Untranslated("Wallet name cannot be empty");
     390                 :           2 :         status = DatabaseStatus::FAILED_NEW_UNNAMED;
     391                 :           2 :         return nullptr;
     392                 :             :     }
     393                 :             : 
     394                 :         640 :     uint64_t wallet_creation_flags = options.create_flags;
     395                 :         640 :     const SecureString& passphrase = options.create_passphrase;
     396         [ -  + ]:         640 :     bool born_encrypted = !passphrase.empty();
     397                 :             : 
     398                 :             :     // Only descriptor wallets can be created
     399         [ -  + ]:         640 :     Assert(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS);
     400                 :         640 :     options.require_format = DatabaseFormat::SQLITE;
     401                 :             : 
     402                 :             : 
     403                 :             :     // Private keys must be disabled for an external signer wallet
     404   [ +  +  +  + ]:         640 :     if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     405         [ +  - ]:           2 :         error = Untranslated("Private keys must be disabled when using an external signer");
     406                 :           1 :         status = DatabaseStatus::FAILED_CREATE;
     407                 :           1 :         return nullptr;
     408                 :             :     }
     409                 :             : 
     410                 :             :     // Do not allow a passphrase when private keys are disabled
     411   [ +  +  +  + ]:         639 :     if (born_encrypted && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     412         [ +  - ]:           8 :         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.");
     413                 :           4 :         status = DatabaseStatus::FAILED_CREATE;
     414                 :           4 :         return nullptr;
     415                 :             :     }
     416                 :             : 
     417                 :             :     // Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
     418                 :         635 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     419         [ +  + ]:         635 :     if (!database) {
     420   [ +  -  +  -  :         196 :         error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          +  -  +  -  +  
                      - ]
     421                 :          28 :         status = DatabaseStatus::FAILED_VERIFY;
     422                 :          28 :         return nullptr;
     423                 :             :     }
     424                 :             : 
     425                 :             :     // Make the wallet
     426   [ +  -  +  - ]:         607 :     context.chain->initMessage(_("Creating wallet…"));
     427         [ +  + ]:         607 :     std::shared_ptr<CWallet> wallet = CWallet::CreateNew(context, name, std::move(database), wallet_creation_flags, born_encrypted, error, warnings);
     428         [ -  + ]:         604 :     if (!wallet) {
     429   [ #  #  #  #  :           0 :         error = Untranslated("Wallet creation failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                      # ]
     430                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     431                 :           0 :         return nullptr;
     432                 :             :     }
     433                 :             : 
     434                 :             :     // Encrypt the wallet
     435         [ +  + ]:         604 :     if (born_encrypted) {
     436   [ +  -  -  + ]:           9 :         if (!wallet->EncryptWallet(passphrase)) {
     437   [ #  #  #  # ]:           0 :             error = Untranslated("Error: Wallet created but failed to encrypt.");
     438                 :           0 :             status = DatabaseStatus::FAILED_ENCRYPT;
     439                 :           0 :             return nullptr;
     440                 :             :         }
     441                 :             :     }
     442                 :             : 
     443   [ +  -  +  - ]:        1812 :     WITH_LOCK(wallet->cs_wallet, wallet->LogStats());
     444         [ +  - ]:         604 :     NotifyWalletLoaded(context, wallet);
     445         [ +  - ]:         604 :     AddWallet(context, wallet);
     446         [ +  - ]:         604 :     wallet->postInitProcess();
     447                 :             : 
     448                 :             :     // Write the wallet settings
     449         [ +  - ]:         604 :     UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     450                 :             : 
     451                 :         604 :     status = DatabaseStatus::SUCCESS;
     452                 :         604 :     return wallet;
     453                 :         635 : }
     454                 :             : 
     455                 :             : // Re-creates wallet from the backup file by renaming and moving it into the wallet's directory.
     456                 :             : // If 'load_after_restore=true', the wallet object will be fully initialized and appended to the context.
     457                 :          50 : 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, bool load_after_restore, bool allow_unnamed)
     458                 :             : {
     459                 :             :     // Error if the wallet name is empty and allow_unnamed == false
     460                 :             :     // allow_unnamed == true is only used by migration to migrate an unnamed wallet
     461   [ +  +  +  + ]:          50 :     if (!allow_unnamed && wallet_name.empty()) {
     462         [ +  - ]:           2 :         error = Untranslated("Wallet name cannot be empty");
     463                 :           1 :         status = DatabaseStatus::FAILED_NEW_UNNAMED;
     464                 :           1 :         return nullptr;
     465                 :             :     }
     466                 :             : 
     467         [ +  - ]:          49 :     DatabaseOptions options;
     468         [ +  - ]:          49 :     ReadDatabaseArgs(*context.args, options);
     469                 :          49 :     options.require_existing = true;
     470                 :             : 
     471   [ -  +  +  -  :          98 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::u8path(wallet_name));
             +  -  +  - ]
     472   [ +  -  +  - ]:          98 :     auto wallet_file = wallet_path / "wallet.dat";
     473                 :          49 :     std::shared_ptr<CWallet> wallet;
     474                 :          49 :     bool wallet_file_copied = false;
     475                 :          49 :     bool created_parent_dir = false;
     476                 :             : 
     477                 :          49 :     try {
     478   [ +  -  +  + ]:          49 :         if (!fs::exists(backup_file)) {
     479   [ +  -  +  - ]:           2 :             error = Untranslated("Backup file does not exist");
     480                 :           1 :             status = DatabaseStatus::FAILED_INVALID_BACKUP_FILE;
     481                 :           1 :             return nullptr;
     482                 :             :         }
     483                 :             : 
     484                 :             :         // Wallet directories are allowed to exist, but must not contain a .dat file.
     485                 :             :         // Any existing wallet database is treated as a hard failure to prevent overwriting.
     486   [ +  -  +  + ]:          48 :         if (fs::exists(wallet_path)) {
     487                 :             :             // If this is a file, it is the db and we don't want to overwrite it.
     488   [ +  -  -  + ]:          11 :             if (!fs::is_directory(wallet_path)) {
     489   [ #  #  #  #  :           0 :                 error = Untranslated(strprintf("Failed to restore wallet. Database file exists '%s'.", fs::PathToString(wallet_path)));
                   #  # ]
     490                 :           0 :                 status = DatabaseStatus::FAILED_ALREADY_EXISTS;
     491                 :           0 :                 return nullptr;
     492                 :             :             }
     493                 :             : 
     494                 :             :             // Check we are not going to overwrite an existing db file
     495   [ +  -  +  + ]:          11 :             if (fs::exists(wallet_file)) {
     496   [ -  +  +  -  :           6 :                 error = Untranslated(strprintf("Failed to restore wallet. Database file exists in '%s'.", fs::PathToString(wallet_file)));
                   +  - ]
     497                 :           2 :                 status = DatabaseStatus::FAILED_ALREADY_EXISTS;
     498                 :           2 :                 return nullptr;
     499                 :             :             }
     500                 :             :         } else {
     501                 :             :             // The directory doesn't exist, create it
     502   [ +  -  -  + ]:          37 :             if (!TryCreateDirectories(wallet_path)) {
     503   [ #  #  #  #  :           0 :                 error = Untranslated(strprintf("Failed to restore database path '%s'.", fs::PathToString(wallet_path)));
                   #  # ]
     504                 :           0 :                 status = DatabaseStatus::FAILED_ALREADY_EXISTS;
     505                 :           0 :                 return nullptr;
     506                 :             :             }
     507                 :             :             created_parent_dir = true;
     508                 :             :         }
     509                 :             : 
     510         [ +  - ]:          46 :         fs::copy_file(backup_file, wallet_file, fs::copy_options::none);
     511                 :          46 :         wallet_file_copied = true;
     512                 :             : 
     513         [ +  + ]:          46 :         if (load_after_restore) {
     514   [ +  -  -  + ]:          80 :             wallet = LoadWallet(context, wallet_name, load_on_start, options, status, error, warnings);
     515                 :             :         }
     516         [ -  - ]:           0 :     } catch (const std::exception& e) {
     517         [ -  - ]:           0 :         assert(!wallet);
     518   [ -  -  -  -  :           0 :         if (!error.empty()) error += Untranslated("\n");
             -  -  -  - ]
     519   [ -  -  -  -  :           0 :         error += Untranslated(strprintf("Unexpected exception: %s", e.what()));
                   -  - ]
     520                 :           0 :     }
     521                 :             : 
     522                 :             :     // Remove created wallet path only when loading fails
     523   [ +  -  +  + ]:          40 :     if (load_after_restore && !wallet) {
     524   [ +  -  +  - ]:          14 :         if (wallet_file_copied) fs::remove(wallet_file);
     525                 :             :         // Clean up the parent directory if we created it during restoration.
     526                 :             :         // As we have created it, it must be empty after deleting the wallet file.
     527         [ +  - ]:          14 :         if (created_parent_dir) {
     528   [ +  -  +  - ]:          14 :             Assume(fs::is_empty(wallet_path));
     529         [ +  - ]:          14 :             fs::remove(wallet_path);
     530                 :             :         }
     531                 :             :     }
     532                 :             : 
     533                 :          46 :     return wallet;
     534                 :         147 : }
     535                 :             : 
     536                 :             : /** @defgroup mapWallet
     537                 :             :  *
     538                 :             :  * @{
     539                 :             :  */
     540                 :             : 
     541                 :       84747 : const CWalletTx* CWallet::GetWalletTx(const Txid& hash) const
     542                 :             : {
     543                 :       84747 :     AssertLockHeld(cs_wallet);
     544                 :       84747 :     const auto it = mapWallet.find(hash);
     545         [ +  + ]:       84747 :     if (it == mapWallet.end())
     546                 :             :         return nullptr;
     547                 :       84359 :     return &(it->second);
     548                 :             : }
     549                 :             : 
     550                 :         439 : void CWallet::UpgradeDescriptorCache()
     551                 :             : {
     552   [ +  +  +  +  :         439 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) || IsLocked() || IsWalletFlagSet(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED)) {
                   +  + ]
     553                 :         430 :         return;
     554                 :             :     }
     555                 :             : 
     556         [ +  + ]:          53 :     for (ScriptPubKeyMan* spkm : GetAllScriptPubKeyMans()) {
     557         [ +  - ]:          44 :         DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
     558         [ +  - ]:          44 :         desc_spkm->UpgradeDescriptorCache();
     559                 :             :     }
     560                 :           9 :     SetWalletFlag(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
     561                 :             : }
     562                 :             : 
     563                 :             : /* Given a wallet passphrase string and an unencrypted master key, determine the proper key
     564                 :             :  * derivation parameters (should take at least 100ms) and encrypt the master key. */
     565                 :          25 : static bool EncryptMasterKey(const SecureString& wallet_passphrase, const CKeyingMaterial& plain_master_key, CMasterKey& master_key)
     566                 :             : {
     567                 :          25 :     constexpr MillisecondsDouble target_time{100};
     568                 :          25 :     CCrypter crypter;
     569                 :             : 
     570                 :             :     // Get the weighted average of iterations we can do in 100ms over 2 runs.
     571         [ +  + ]:          71 :     for (int i = 0; i < 2; i++){
     572                 :          48 :         auto start_time{NodeClock::now()};
     573   [ -  +  +  - ]:          48 :         crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod);
     574                 :          48 :         auto elapsed_time{NodeClock::now() - start_time};
     575                 :             : 
     576         [ +  + ]:          48 :         if (elapsed_time <= 0s) {
     577                 :             :             // We are probably in a test with a mocked clock.
     578                 :           2 :             master_key.nDeriveIterations = CMasterKey::DEFAULT_DERIVE_ITERATIONS;
     579                 :           2 :             break;
     580                 :             :         }
     581                 :             : 
     582                 :             :         // target_iterations : elapsed_iterations :: target_time : elapsed_time
     583                 :          46 :         unsigned int target_iterations = master_key.nDeriveIterations * target_time / elapsed_time;
     584                 :             :         // Get the weighted average with previous runs.
     585                 :          46 :         master_key.nDeriveIterations = (i * master_key.nDeriveIterations + target_iterations) / (i + 1);
     586                 :             :     }
     587                 :             : 
     588         [ +  + ]:          25 :     if (master_key.nDeriveIterations < CMasterKey::DEFAULT_DERIVE_ITERATIONS) {
     589                 :           2 :         master_key.nDeriveIterations = CMasterKey::DEFAULT_DERIVE_ITERATIONS;
     590                 :             :     }
     591                 :             : 
     592   [ -  +  +  -  :          25 :     if (!crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod)) {
                   +  - ]
     593                 :             :         return false;
     594                 :             :     }
     595   [ +  -  -  + ]:          25 :     if (!crypter.Encrypt(plain_master_key, master_key.vchCryptedKey)) {
     596                 :           0 :         return false;
     597                 :             :     }
     598                 :             : 
     599                 :             :     return true;
     600                 :          25 : }
     601                 :             : 
     602                 :          76 : static bool DecryptMasterKey(const SecureString& wallet_passphrase, const CMasterKey& master_key, CKeyingMaterial& plain_master_key)
     603                 :             : {
     604                 :          76 :     CCrypter crypter;
     605   [ -  +  +  -  :          76 :     if (!crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod)) {
                   +  - ]
     606                 :             :         return false;
     607                 :             :     }
     608   [ -  +  +  -  :          76 :     if (!crypter.Decrypt(master_key.vchCryptedKey, plain_master_key)) {
                   +  + ]
     609                 :           9 :         return false;
     610                 :             :     }
     611                 :             : 
     612                 :             :     return true;
     613                 :          76 : }
     614                 :             : 
     615                 :          72 : bool CWallet::Unlock(const SecureString& strWalletPassphrase)
     616                 :             : {
     617                 :          72 :     CKeyingMaterial plain_master_key;
     618                 :             : 
     619                 :          72 :     {
     620         [ +  - ]:          72 :         LOCK(cs_wallet);
     621   [ +  -  +  + ]:          79 :         for (const auto& [_, master_key] : mapMasterKeys)
     622                 :             :         {
     623   [ +  -  +  + ]:          72 :             if (!DecryptMasterKey(strWalletPassphrase, master_key, plain_master_key)) {
     624                 :           7 :                 continue; // try another master key
     625                 :             :             }
     626   [ +  -  +  - ]:          65 :             if (Unlock(plain_master_key)) {
     627                 :             :                 // Now that we've unlocked, upgrade the descriptor cache
     628         [ +  - ]:          65 :                 UpgradeDescriptorCache();
     629         [ +  - ]:          65 :                 return true;
     630                 :             :             }
     631                 :             :         }
     632                 :          65 :     }
     633                 :           7 :     return false;
     634                 :          72 : }
     635                 :             : 
     636                 :           4 : bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
     637                 :             : {
     638                 :           4 :     bool fWasLocked = IsLocked();
     639                 :             : 
     640                 :           4 :     {
     641         [ +  - ]:           4 :         LOCK2(m_relock_mutex, cs_wallet);
     642         [ +  - ]:           4 :         Lock();
     643                 :             : 
     644                 :           4 :         CKeyingMaterial plain_master_key;
     645   [ +  -  +  - ]:           4 :         for (auto& [master_key_id, master_key] : mapMasterKeys)
     646                 :             :         {
     647   [ +  -  +  + ]:           4 :             if (!DecryptMasterKey(strOldWalletPassphrase, master_key, plain_master_key)) {
     648                 :             :                 return false;
     649                 :             :             }
     650   [ +  -  +  - ]:           2 :             if (Unlock(plain_master_key))
     651                 :             :             {
     652   [ +  -  +  - ]:           2 :                 if (!EncryptMasterKey(strNewWalletPassphrase, plain_master_key, master_key)) {
     653                 :             :                     return false;
     654                 :             :                 }
     655         [ +  - ]:           2 :                 WalletLogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", master_key.nDeriveIterations);
     656                 :             : 
     657   [ +  -  +  - ]:           2 :                 WalletBatch(GetDatabase()).WriteMasterKey(master_key_id, master_key);
     658         [ +  - ]:           2 :                 if (fWasLocked)
     659         [ +  - ]:           2 :                     Lock();
     660                 :           2 :                 return true;
     661                 :             :             }
     662                 :             :         }
     663   [ -  -  -  -  :          12 :     }
             +  -  +  - ]
     664                 :             : 
     665                 :           0 :     return false;
     666                 :             : }
     667                 :             : 
     668                 :       76563 : void CWallet::SetLastBlockProcessedInMem(int block_height, uint256 block_hash)
     669                 :             : {
     670                 :       76563 :     AssertLockHeld(cs_wallet);
     671                 :             : 
     672                 :       76563 :     m_last_block_processed = block_hash;
     673                 :       76563 :     m_last_block_processed_height = block_height;
     674                 :       76563 : }
     675                 :             : 
     676                 :        4129 : void CWallet::SetLastBlockProcessed(int block_height, uint256 block_hash)
     677                 :             : {
     678                 :        4129 :     AssertLockHeld(cs_wallet);
     679                 :             : 
     680                 :        4129 :     SetLastBlockProcessedInMem(block_height, block_hash);
     681                 :        4129 :     WriteBestBlock();
     682                 :        4129 : }
     683                 :             : 
     684                 :        3181 : std::set<Txid> CWallet::GetConflicts(const Txid& txid) const
     685                 :             : {
     686                 :        3181 :     std::set<Txid> result;
     687                 :        3181 :     AssertLockHeld(cs_wallet);
     688                 :             : 
     689                 :        3181 :     const auto it = mapWallet.find(txid);
     690         [ +  - ]:        6362 :     if (it == mapWallet.end())
     691                 :             :         return result;
     692                 :        3181 :     const CWalletTx& wtx = it->second;
     693                 :             : 
     694                 :        3181 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     695                 :             : 
     696         [ +  + ]:        8583 :     for (const CTxIn& txin : wtx.tx->vin)
     697                 :             :     {
     698         [ +  + ]:        5402 :         if (mapTxSpends.count(txin.prevout) <= 1)
     699                 :        5094 :             continue;  // No conflict if zero or one spends
     700                 :         308 :         range = mapTxSpends.equal_range(txin.prevout);
     701         [ +  + ]:        6092 :         for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it)
     702         [ +  - ]:         690 :             result.insert(_it->second);
     703                 :             :     }
     704                 :             :     return result;
     705                 :           0 : }
     706                 :             : 
     707                 :         227 : bool CWallet::HasWalletSpend(const CTransactionRef& tx) const
     708                 :             : {
     709                 :         227 :     AssertLockHeld(cs_wallet);
     710                 :         227 :     const Txid& txid = tx->GetHash();
     711   [ -  +  +  + ]:         809 :     for (unsigned int i = 0; i < tx->vout.size(); ++i) {
     712         [ +  + ]:         585 :         if (IsSpent(COutPoint(txid, i))) {
     713                 :             :             return true;
     714                 :             :         }
     715                 :             :     }
     716                 :             :     return false;
     717                 :             : }
     718                 :             : 
     719                 :          14 : void CWallet::Close()
     720                 :             : {
     721                 :          14 :     GetDatabase().Close();
     722                 :          14 : }
     723                 :             : 
     724                 :       10207 : void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range)
     725                 :             : {
     726                 :             :     // We want all the wallet transactions in range to have the same metadata as
     727                 :             :     // the oldest (smallest nOrderPos).
     728                 :             :     // So: find smallest nOrderPos:
     729                 :             : 
     730                 :       10207 :     int nMinOrderPos = std::numeric_limits<int>::max();
     731                 :       10207 :     const CWalletTx* copyFrom = nullptr;
     732         [ +  + ]:       23357 :     for (TxSpends::iterator it = range.first; it != range.second; ++it) {
     733                 :       13150 :         const CWalletTx* wtx = &mapWallet.at(it->second);
     734         [ +  + ]:       13150 :         if (wtx->nOrderPos < nMinOrderPos) {
     735                 :       13115 :             nMinOrderPos = wtx->nOrderPos;
     736                 :       13115 :             copyFrom = wtx;
     737                 :             :         }
     738                 :             :     }
     739                 :             : 
     740         [ +  - ]:       10207 :     if (!copyFrom) {
     741                 :             :         return;
     742                 :             :     }
     743                 :             : 
     744                 :             :     // Now copy data from copyFrom to rest:
     745         [ +  + ]:       23357 :     for (TxSpends::iterator it = range.first; it != range.second; ++it)
     746                 :             :     {
     747                 :       13150 :         const Txid& hash = it->second;
     748                 :       13150 :         CWalletTx* copyTo = &mapWallet.at(hash);
     749         [ +  + ]:       13150 :         if (copyFrom == copyTo) continue;
     750                 :        2943 :         assert(copyFrom && "Oldest wallet transaction in range assumed to have been found.");
     751         [ +  + ]:        2943 :         if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
     752                 :           3 :         copyTo->m_from = copyFrom->m_from;
     753                 :           3 :         copyTo->m_message = copyFrom->m_message;
     754                 :           3 :         copyTo->m_comment = copyFrom->m_comment;
     755                 :           3 :         copyTo->m_comment_to = copyFrom->m_comment_to;
     756                 :           3 :         copyTo->m_replaces_txid = copyFrom->m_replaces_txid;
     757                 :           3 :         copyTo->m_replaced_by_txid = copyFrom->m_replaced_by_txid;
     758                 :           3 :         copyTo->m_messages = copyFrom->m_messages;
     759                 :           3 :         copyTo->m_payment_requests = copyFrom->m_payment_requests;
     760                 :             :         // nTimeReceived not copied on purpose
     761                 :           3 :         copyTo->nTimeSmart = copyFrom->nTimeSmart;
     762                 :             :         // nOrderPos not copied on purpose
     763                 :             :         // cached members not copied on purpose
     764                 :             :     }
     765                 :             : }
     766                 :             : 
     767                 :             : /**
     768                 :             :  * Outpoint is spent if any non-conflicted transaction
     769                 :             :  * spends it:
     770                 :             :  */
     771                 :      440239 : bool CWallet::IsSpent(const COutPoint& outpoint) const
     772                 :             : {
     773                 :      440239 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     774                 :      440239 :     range = mapTxSpends.equal_range(outpoint);
     775                 :             : 
     776         [ +  + ]:      441434 :     for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
     777                 :      288299 :         const Txid& txid = it->second;
     778                 :      288299 :         const auto mit = mapWallet.find(txid);
     779         [ +  - ]:      289494 :         if (mit != mapWallet.end()) {
     780         [ +  + ]:      288299 :             const auto& wtx = mit->second;
     781   [ +  +  +  +  :      288356 :             if (!wtx.isAbandoned() && !wtx.isBlockConflicted() && !wtx.isMempoolConflicted())
                   +  + ]
     782                 :             :                 return true; // Spent
     783                 :             :         }
     784                 :             :     }
     785                 :             :     return false;
     786                 :             : }
     787                 :             : 
     788                 :       82064 : CWallet::SpendType CWallet::HowSpent(const COutPoint& outpoint) const
     789                 :             : {
     790                 :       82064 :     SpendType st{SpendType::UNSPENT};
     791                 :             : 
     792                 :       82064 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     793                 :       82064 :     range = mapTxSpends.equal_range(outpoint);
     794                 :             : 
     795         [ +  + ]:       83863 :     for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
     796                 :       49706 :         const Txid& txid = it->second;
     797                 :       49706 :         const auto mit = mapWallet.find(txid);
     798         [ +  - ]:       51505 :         if (mit != mapWallet.end()) {
     799         [ +  + ]:       49706 :             const auto& wtx = mit->second;
     800         [ +  + ]:       49706 :             if (wtx.isConfirmed()) return SpendType::CONFIRMED;
     801         [ +  + ]:        1799 :             if (wtx.InMempool()) {
     802                 :             :                 st = SpendType::MEMPOOL;
     803   [ +  +  +  +  :        2145 :             } else if (!wtx.isAbandoned() && !wtx.isBlockConflicted() && !wtx.isMempoolConflicted()) {
                   +  + ]
     804         [ +  + ]:         152 :                 if (st == SpendType::UNSPENT) st = SpendType::NONMEMPOOL;
     805                 :             :             }
     806                 :             :         }
     807                 :             :     }
     808                 :             :     return st;
     809                 :             : }
     810                 :             : 
     811                 :       10207 : void CWallet::AddToSpends(const COutPoint& outpoint, const Txid& txid)
     812                 :             : {
     813                 :       10207 :     mapTxSpends.insert(std::make_pair(outpoint, txid));
     814                 :             : 
     815                 :       10207 :     UnlockCoin(outpoint);
     816                 :             : 
     817                 :       10207 :     std::pair<TxSpends::iterator, TxSpends::iterator> range;
     818                 :       10207 :     range = mapTxSpends.equal_range(outpoint);
     819                 :       10207 :     SyncMetaData(range);
     820                 :       10207 : }
     821                 :             : 
     822                 :             : 
     823                 :       27303 : void CWallet::AddToSpends(const CWalletTx& wtx)
     824                 :             : {
     825         [ +  + ]:       27303 :     if (wtx.IsCoinBase()) // Coinbases don't spend anything!
     826                 :             :         return;
     827                 :             : 
     828         [ +  + ]:       15494 :     for (const CTxIn& txin : wtx.tx->vin)
     829                 :       10207 :         AddToSpends(txin.prevout, wtx.GetHash());
     830                 :             : }
     831                 :             : 
     832                 :          23 : bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
     833                 :             : {
     834                 :             :     // Only descriptor wallets can be encrypted
     835         [ -  + ]:          23 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
     836                 :             : 
     837         [ +  - ]:          23 :     if (HasEncryptionKeys())
     838                 :             :         return false;
     839                 :             : 
     840                 :          23 :     CKeyingMaterial plain_master_key;
     841                 :             : 
     842         [ +  - ]:          23 :     plain_master_key.resize(WALLET_CRYPTO_KEY_SIZE);
     843         [ -  + ]:          23 :     GetStrongRandBytes(plain_master_key);
     844                 :             : 
     845         [ +  - ]:          23 :     CMasterKey master_key;
     846                 :             : 
     847         [ +  - ]:          23 :     master_key.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
     848         [ -  + ]:          23 :     GetStrongRandBytes(master_key.vchSalt);
     849                 :             : 
     850   [ +  -  +  - ]:          23 :     if (!EncryptMasterKey(strWalletPassphrase, plain_master_key, master_key)) {
     851                 :             :         return false;
     852                 :             :     }
     853         [ +  - ]:          23 :     WalletLogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", master_key.nDeriveIterations);
     854                 :             : 
     855                 :          23 :     {
     856   [ +  -  +  - ]:          23 :         LOCK2(m_relock_mutex, cs_wallet);
     857   [ +  -  +  - ]:          23 :         mapMasterKeys[++nMasterKeyMaxID] = master_key;
     858   [ +  -  +  - ]:          23 :         WalletBatch* encrypted_batch = new WalletBatch(GetDatabase());
     859   [ +  -  -  + ]:          23 :         if (!encrypted_batch->TxnBegin()) {
     860         [ #  # ]:           0 :             delete encrypted_batch;
     861                 :           0 :             encrypted_batch = nullptr;
     862                 :           0 :             return false;
     863                 :             :         }
     864         [ +  - ]:          23 :         encrypted_batch->WriteMasterKey(nMasterKeyMaxID, master_key);
     865                 :             : 
     866         [ +  + ]:         109 :         for (const auto& spk_man_pair : m_spk_managers) {
     867         [ +  - ]:          86 :             auto spk_man = spk_man_pair.second.get();
     868   [ +  -  -  + ]:          86 :             if (!spk_man->Encrypt(plain_master_key, encrypted_batch)) {
     869         [ #  # ]:           0 :                 encrypted_batch->TxnAbort();
     870                 :           0 :                 delete encrypted_batch;
     871                 :           0 :                 encrypted_batch = nullptr;
     872                 :             :                 // We now probably have half of our keys encrypted in memory, and half not...
     873                 :             :                 // die and let the user reload the unencrypted wallet.
     874                 :           0 :                 assert(false);
     875                 :             :             }
     876                 :             :         }
     877                 :             : 
     878   [ +  -  -  + ]:          23 :         if (!encrypted_batch->TxnCommit()) {
     879         [ #  # ]:           0 :             delete encrypted_batch;
     880                 :           0 :             encrypted_batch = nullptr;
     881                 :             :             // We now have keys encrypted in memory, but not on disk...
     882                 :             :             // die to avoid confusion and let the user reload the unencrypted wallet.
     883                 :           0 :             assert(false);
     884                 :             :         }
     885                 :             : 
     886         [ +  - ]:          46 :         delete encrypted_batch;
     887                 :          23 :         encrypted_batch = nullptr;
     888                 :             : 
     889         [ +  - ]:          23 :         Lock();
     890   [ +  -  +  - ]:          23 :         if (!Unlock(strWalletPassphrase)) {
     891                 :             :             return false;
     892                 :             :         }
     893                 :             : 
     894         [ +  - ]:          23 :         SetupWalletGeneration();
     895                 :             : 
     896         [ +  - ]:          23 :         Lock();
     897                 :             : 
     898                 :             :         // Need to completely rewrite the wallet file; if we don't, the database might keep
     899                 :             :         // bits of the unencrypted private key in slack space in the database file.
     900         [ +  - ]:          23 :         GetDatabase().Rewrite();
     901   [ +  -  -  - ]:          23 :     }
     902         [ +  - ]:          23 :     NotifyStatusChanged(this);
     903                 :             : 
     904                 :             :     return true;
     905                 :          23 : }
     906                 :             : 
     907                 :           0 : DBErrors CWallet::ReorderTransactions()
     908                 :             : {
     909                 :           0 :     LOCK(cs_wallet);
     910         [ #  # ]:           0 :     WalletBatch batch(GetDatabase());
     911                 :             : 
     912                 :             :     // Old wallets didn't have any defined order for transactions
     913                 :             :     // Probably a bad idea to change the output of this
     914                 :             : 
     915                 :             :     // First: get all CWalletTx into a sorted-by-time multimap.
     916                 :           0 :     typedef std::multimap<int64_t, CWalletTx*> TxItems;
     917                 :           0 :     TxItems txByTime;
     918                 :             : 
     919   [ #  #  #  # ]:           0 :     for (auto& entry : mapWallet)
     920                 :             :     {
     921                 :           0 :         CWalletTx* wtx = &entry.second;
     922         [ #  # ]:           0 :         txByTime.insert(std::make_pair(wtx->nTimeReceived, wtx));
     923                 :             :     }
     924                 :             : 
     925                 :           0 :     nOrderPosNext = 0;
     926                 :           0 :     std::vector<int64_t> nOrderPosOffsets;
     927         [ #  # ]:           0 :     for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
     928                 :             :     {
     929         [ #  # ]:           0 :         CWalletTx *const pwtx = (*it).second;
     930                 :           0 :         int64_t& nOrderPos = pwtx->nOrderPos;
     931                 :             : 
     932         [ #  # ]:           0 :         if (nOrderPos == -1)
     933                 :             :         {
     934                 :           0 :             nOrderPos = nOrderPosNext++;
     935         [ #  # ]:           0 :             nOrderPosOffsets.push_back(nOrderPos);
     936                 :             : 
     937   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     938                 :             :                 return DBErrors::LOAD_FAIL;
     939                 :             :         }
     940                 :             :         else
     941                 :             :         {
     942                 :           0 :             int64_t nOrderPosOff = 0;
     943         [ #  # ]:           0 :             for (const int64_t& nOffsetStart : nOrderPosOffsets)
     944                 :             :             {
     945         [ #  # ]:           0 :                 if (nOrderPos >= nOffsetStart)
     946                 :           0 :                     ++nOrderPosOff;
     947                 :             :             }
     948                 :           0 :             nOrderPos += nOrderPosOff;
     949         [ #  # ]:           0 :             nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
     950                 :             : 
     951         [ #  # ]:           0 :             if (!nOrderPosOff)
     952                 :           0 :                 continue;
     953                 :             : 
     954                 :             :             // Since we're changing the order, write it back
     955   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     956                 :             :                 return DBErrors::LOAD_FAIL;
     957                 :             :         }
     958                 :             :     }
     959         [ #  # ]:           0 :     batch.WriteOrderPosNext(nOrderPosNext);
     960                 :             : 
     961                 :             :     return DBErrors::LOAD_OK;
     962         [ #  # ]:           0 : }
     963                 :             : 
     964                 :       18678 : int64_t CWallet::IncOrderPosNext(WalletBatch* batch)
     965                 :             : {
     966                 :       18678 :     AssertLockHeld(cs_wallet);
     967                 :       18678 :     int64_t nRet = nOrderPosNext++;
     968         [ +  - ]:       18678 :     if (batch) {
     969                 :       18678 :         batch->WriteOrderPosNext(nOrderPosNext);
     970                 :             :     } else {
     971         [ #  # ]:           0 :         WalletBatch(GetDatabase()).WriteOrderPosNext(nOrderPosNext);
     972                 :             :     }
     973                 :       18678 :     return nRet;
     974                 :             : }
     975                 :             : 
     976                 :         938 : void CWallet::MarkDirty()
     977                 :             : {
     978                 :         938 :     {
     979                 :         938 :         LOCK(cs_wallet);
     980   [ +  +  +  - ]:        4972 :         for (auto& [_, wtx] : mapWallet)
     981                 :        4034 :             wtx.MarkDirty();
     982                 :         938 :     }
     983                 :         938 : }
     984                 :             : 
     985                 :          98 : bool CWallet::MarkReplaced(const Txid& originalHash, const Txid& newHash)
     986                 :             : {
     987                 :          98 :     LOCK(cs_wallet);
     988                 :             : 
     989                 :          98 :     auto mi = mapWallet.find(originalHash);
     990                 :             : 
     991                 :             :     // There is a bug if MarkReplaced is not called on an existing wallet transaction.
     992         [ -  + ]:          98 :     assert(mi != mapWallet.end());
     993                 :             : 
     994         [ -  + ]:          98 :     CWalletTx& wtx = (*mi).second;
     995                 :             : 
     996                 :             :     // Ensure for now that we're not overwriting data
     997         [ -  + ]:          98 :     Assert(!wtx.m_replaced_by_txid);
     998                 :             : 
     999         [ -  + ]:          98 :     wtx.m_replaced_by_txid = newHash;
    1000                 :             : 
    1001                 :             :     // Refresh mempool status without waiting for transactionRemovedFromMempool or transactionAddedToMempool
    1002         [ +  - ]:          98 :     RefreshMempoolStatus(wtx, chain());
    1003                 :             : 
    1004         [ +  - ]:          98 :     WalletBatch batch(GetDatabase());
    1005                 :             : 
    1006                 :          98 :     bool success = true;
    1007   [ +  -  -  + ]:          98 :     if (!batch.WriteTx(wtx)) {
    1008   [ #  #  #  # ]:           0 :         WalletLogPrintf("%s: Updating batch tx %s failed\n", __func__, wtx.GetHash().ToString());
    1009                 :           0 :         success = false;
    1010                 :             :     }
    1011                 :             : 
    1012         [ +  - ]:          98 :     NotifyTransactionChanged(originalHash, CT_UPDATED);
    1013                 :             : 
    1014                 :          98 :     return success;
    1015         [ +  - ]:         196 : }
    1016                 :             : 
    1017                 :        2034 : void CWallet::SetSpentKeyState(WalletBatch& batch, const Txid& hash, unsigned int n, bool used, std::set<CTxDestination>& tx_destinations)
    1018                 :             : {
    1019                 :        2034 :     AssertLockHeld(cs_wallet);
    1020                 :        2034 :     const CWalletTx* srctx = GetWalletTx(hash);
    1021         [ +  + ]:        2034 :     if (!srctx) return;
    1022                 :             : 
    1023                 :        1890 :     CTxDestination dst;
    1024   [ +  -  +  - ]:        1890 :     if (ExtractDestination(srctx->tx->vout[n].scriptPubKey, dst)) {
    1025   [ +  -  +  + ]:        1890 :         if (IsMine(dst)) {
    1026   [ +  -  +  + ]:        1211 :             if (used != IsAddressPreviouslySpent(dst)) {
    1027         [ +  - ]:          20 :                 if (used) {
    1028         [ +  - ]:          20 :                     tx_destinations.insert(dst);
    1029                 :             :                 }
    1030         [ +  - ]:          20 :                 SetAddressPreviouslySpent(batch, dst, used);
    1031                 :             :             }
    1032                 :             :         }
    1033                 :             :     }
    1034                 :        1890 : }
    1035                 :             : 
    1036                 :         441 : bool CWallet::IsSpentKey(const CScript& scriptPubKey) const
    1037                 :             : {
    1038                 :         441 :     AssertLockHeld(cs_wallet);
    1039                 :         441 :     CTxDestination dest;
    1040   [ +  -  +  - ]:         441 :     if (!ExtractDestination(scriptPubKey, dest)) {
    1041                 :             :         return false;
    1042                 :             :     }
    1043   [ +  -  +  + ]:         441 :     if (IsAddressPreviouslySpent(dest)) {
    1044                 :           8 :         return true;
    1045                 :             :     }
    1046                 :             :     return false;
    1047                 :         441 : }
    1048                 :             : 
    1049                 :       27183 : CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const UpdateWalletTxFn& update_wtx, bool rescanning_old_block)
    1050                 :             : {
    1051                 :       27183 :     LOCK(cs_wallet);
    1052                 :             : 
    1053         [ +  - ]:       27183 :     WalletBatch batch(GetDatabase());
    1054                 :             : 
    1055         [ +  - ]:       27183 :     Txid hash = tx->GetHash();
    1056                 :             : 
    1057   [ +  -  +  + ]:       27183 :     if (IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    1058                 :             :         // Mark used destinations
    1059                 :         865 :         std::set<CTxDestination> tx_destinations;
    1060                 :             : 
    1061         [ +  + ]:        2899 :         for (const CTxIn& txin : tx->vin) {
    1062                 :        2034 :             const COutPoint& op = txin.prevout;
    1063         [ +  - ]:        2034 :             SetSpentKeyState(batch, op.hash, op.n, true, tx_destinations);
    1064                 :             :         }
    1065                 :             : 
    1066         [ +  - ]:         865 :         MarkDestinationsDirty(tx_destinations);
    1067                 :         865 :     }
    1068                 :             : 
    1069                 :             :     // Inserts only if not already there, returns tx inserted or tx found
    1070         [ +  - ]:       27183 :     auto ret = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(tx, state));
    1071         [ +  + ]:       27183 :     CWalletTx& wtx = (*ret.first).second;
    1072                 :       27183 :     bool fInsertedNew = ret.second;
    1073   [ +  +  +  -  :       27183 :     bool fUpdated = update_wtx && update_wtx(wtx, fInsertedNew);
                   -  + ]
    1074         [ +  + ]:       27183 :     if (fInsertedNew) {
    1075         [ +  - ]:       18678 :         wtx.nTimeReceived = GetTime();
    1076         [ +  - ]:       18678 :         wtx.nOrderPos = IncOrderPosNext(&batch);
    1077   [ +  -  +  - ]:       18678 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1078         [ +  - ]:       18678 :         wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
    1079         [ +  - ]:       18678 :         AddToSpends(wtx);
    1080                 :             : 
    1081                 :             :         // Update birth time when tx time is older than it.
    1082   [ +  -  +  - ]:       18678 :         MaybeUpdateBirthTime(wtx.GetTxTime());
    1083                 :             :     }
    1084                 :             : 
    1085                 :        8505 :     if (!fInsertedNew)
    1086                 :             :     {
    1087         [ +  + ]:        8505 :         if (state.index() != wtx.m_state.index()) {
    1088                 :        4333 :             wtx.m_state = state;
    1089                 :        4333 :             fUpdated = true;
    1090                 :             :         } else {
    1091         [ -  + ]:        4172 :             assert(TxStateSerializedIndex(wtx.m_state) == TxStateSerializedIndex(state));
    1092         [ -  + ]:        4172 :             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   [ +  +  -  + ]:        8505 :         if (tx->HasWitness() && !wtx.tx->HasWitness()) {
    1100   [ #  #  #  # ]:           0 :             wtx.SetTx(tx);
    1101                 :           0 :             fUpdated = true;
    1102                 :             :         }
    1103                 :             :     }
    1104                 :             : 
    1105                 :             :     // Mark inactive coinbase transactions and their descendants as abandoned
    1106         [ +  + ]:       27183 :     if (wtx.IsCoinBase() && wtx.isInactive()) {
    1107         [ +  - ]:         540 :         std::vector<CWalletTx*> txs{&wtx};
    1108                 :             : 
    1109                 :         540 :         TxStateInactive inactive_state = TxStateInactive{/*abandoned=*/true};
    1110                 :             : 
    1111         [ +  + ]:        1081 :         while (!txs.empty()) {
    1112                 :         541 :             CWalletTx* desc_tx = txs.back();
    1113         [ +  + ]:         541 :             txs.pop_back();
    1114         [ +  + ]:         541 :             desc_tx->m_state = inactive_state;
    1115                 :             :             // Break caches since we have changed the state
    1116                 :         541 :             desc_tx->MarkDirty();
    1117         [ +  - ]:         541 :             batch.WriteTx(*desc_tx);
    1118         [ +  - ]:         541 :             MarkInputsDirty(desc_tx->tx);
    1119   [ -  +  +  + ]:        1623 :             for (unsigned int i = 0; i < desc_tx->tx->vout.size(); ++i) {
    1120                 :        1082 :                 COutPoint outpoint(desc_tx->GetHash(), i);
    1121                 :        1082 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(outpoint);
    1122         [ +  + ]:        1083 :                 for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
    1123                 :           1 :                     const auto wit = mapWallet.find(it->second);
    1124         [ +  - ]:           1 :                     if (wit != mapWallet.end()) {
    1125         [ +  - ]:           1 :                         txs.push_back(&wit->second);
    1126                 :             :                     }
    1127                 :             :                 }
    1128                 :             :             }
    1129                 :             :         }
    1130                 :         540 :     }
    1131                 :             : 
    1132                 :             :     //// debug print
    1133         [ +  - ]:       27183 :     std::string status{"no-change"};
    1134         [ +  + ]:       27183 :     if (fInsertedNew || fUpdated) {
    1135   [ +  +  +  + ]:       23012 :         status = fInsertedNew ? (fUpdated ? "new, update" : "new") : "update";
    1136                 :             :     }
    1137   [ +  -  +  - ]:       81549 :     WalletLogPrintf("AddToWallet %s %s %s", hash.ToString(), status, TxStateString(state));
    1138                 :             : 
    1139                 :             :     // Write to disk
    1140         [ +  + ]:       27183 :     if (fInsertedNew || fUpdated)
    1141   [ +  -  +  - ]:       23012 :         if (!batch.WriteTx(wtx))
    1142                 :             :             return nullptr;
    1143                 :             : 
    1144                 :             :     // Break debit/credit balance caches:
    1145                 :       27183 :     wtx.MarkDirty();
    1146                 :             : 
    1147                 :             :     // Cache the outputs that belong to the wallet
    1148         [ +  - ]:       27183 :     RefreshTXOsFromTx(wtx);
    1149                 :             : 
    1150                 :             :     // Notify UI of new or updated transaction
    1151   [ +  +  +  - ]:       35688 :     NotifyTransactionChanged(hash, fInsertedNew ? CT_NEW : CT_UPDATED);
    1152                 :             : 
    1153                 :             : #if HAVE_SYSTEM
    1154                 :             :     // notify an external script when a wallet transaction comes in or is updated
    1155         [ -  + ]:       27183 :     std::string strCmd = m_notify_tx_changed_script;
    1156                 :             : 
    1157         [ +  + ]:       27183 :     if (!strCmd.empty())
    1158                 :             :     {
    1159   [ +  -  +  -  :          52 :         ReplaceAll(strCmd, "%s", hash.GetHex());
                   +  - ]
    1160         [ +  + ]:          26 :         if (auto* conf = wtx.state<TxStateConfirmed>())
    1161                 :             :         {
    1162   [ +  -  +  -  :          44 :             ReplaceAll(strCmd, "%b", conf->confirmed_block_hash.GetHex());
                   +  - ]
    1163   [ +  -  +  -  :          44 :             ReplaceAll(strCmd, "%h", ToString(conf->confirmed_block_height));
                   +  - ]
    1164                 :             :         } else {
    1165   [ +  -  +  -  :           8 :             ReplaceAll(strCmd, "%b", "unconfirmed");
                   +  - ]
    1166   [ +  -  +  -  :           8 :             ReplaceAll(strCmd, "%h", "-1");
                   +  - ]
    1167                 :             :         }
    1168                 :             : #ifndef WIN32
    1169                 :             :         // Substituting the wallet name isn't currently supported on windows
    1170                 :             :         // because windows shell escaping has not been implemented yet:
    1171                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-537384875
    1172                 :             :         // A few ways it could be implemented in the future are described in:
    1173                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-461288094
    1174   [ +  -  +  -  :          52 :         ReplaceAll(strCmd, "%w", ShellEscape(GetName()));
                   +  - ]
    1175                 :             : #endif
    1176         [ +  - ]:          26 :         std::thread t(runCommand, strCmd);
    1177         [ +  - ]:          26 :         t.detach(); // thread runs free
    1178                 :          26 :     }
    1179                 :             : #endif
    1180                 :             : 
    1181                 :       27183 :     return &wtx;
    1182         [ +  - ]:      108732 : }
    1183                 :             : 
    1184                 :        8625 : bool CWallet::LoadToWallet(const Txid& hash, const UpdateWalletTxFn& fill_wtx)
    1185                 :             : {
    1186                 :        8625 :     const auto& ins = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(nullptr, TxStateInactive{}));
    1187                 :        8625 :     CWalletTx& wtx = ins.first->second;
    1188         [ +  - ]:        8625 :     if (!fill_wtx(wtx, ins.second)) {
    1189                 :             :         return false;
    1190                 :             :     }
    1191                 :             :     // If wallet doesn't have a chain (e.g when using bitcoin-wallet tool),
    1192                 :             :     // don't bother to update txn.
    1193         [ +  + ]:        8625 :     if (HaveChain()) {
    1194                 :        8540 :       wtx.updateState(chain());
    1195                 :             :     }
    1196         [ +  - ]:        8625 :     if (/* insertion took place */ ins.second) {
    1197                 :        8625 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1198                 :             :     }
    1199                 :        8625 :     AddToSpends(wtx);
    1200         [ +  + ]:       17427 :     for (const CTxIn& txin : wtx.tx->vin) {
    1201                 :        8802 :         auto it = mapWallet.find(txin.prevout.hash);
    1202         [ +  + ]:        8802 :         if (it != mapWallet.end()) {
    1203         [ +  + ]:         519 :             CWalletTx& prevtx = it->second;
    1204         [ +  + ]:        8805 :             if (auto* prev = prevtx.state<TxStateBlockConflicted>()) {
    1205                 :           3 :                 MarkConflicted(prev->conflicting_block_hash, prev->conflicting_block_height, wtx.GetHash());
    1206                 :             :             }
    1207                 :             :         }
    1208                 :             :     }
    1209                 :             : 
    1210                 :             :     // Update birth time when tx time is older than it.
    1211                 :        8625 :     MaybeUpdateBirthTime(wtx.GetTxTime());
    1212                 :             : 
    1213                 :             :     // Make sure the tx outputs are known by the wallet
    1214                 :        8625 :     RefreshTXOsFromTx(wtx);
    1215                 :        8625 :     return true;
    1216                 :             : }
    1217                 :             : 
    1218                 :      187825 : bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const SyncTxState& state, bool rescanning_old_block)
    1219                 :             : {
    1220         [ +  + ]:      187825 :     const CTransaction& tx = *ptx;
    1221                 :      187825 :     {
    1222                 :      187825 :         AssertLockHeld(cs_wallet);
    1223                 :             : 
    1224         [ +  + ]:      187825 :         if (auto* conf = std::get_if<TxStateConfirmed>(&state)) {
    1225         [ +  + ]:      390586 :             for (const CTxIn& txin : tx.vin) {
    1226                 :      213710 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
    1227         [ +  + ]:      221642 :                 while (range.first != range.second) {
    1228         [ +  + ]:        7932 :                     if (range.first->second != tx.GetHash()) {
    1229   [ +  -  +  -  :         344 :                         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);
             +  -  +  - ]
    1230                 :         172 :                         MarkConflicted(conf->confirmed_block_hash, conf->confirmed_block_height, range.first->second);
    1231                 :             :                     }
    1232                 :        7932 :                     range.first++;
    1233                 :             :                 }
    1234                 :             :             }
    1235                 :             :         }
    1236                 :             : 
    1237                 :      187825 :         bool fExisted = mapWallet.contains(tx.GetHash());
    1238   [ +  +  +  +  :      187825 :         if (fExisted || IsMine(tx) || IsFromMe(tx))
                   +  + ]
    1239                 :             :         {
    1240                 :             :             /* Check if any keys in the wallet keypool that were supposed to be unused
    1241                 :             :              * have appeared in a new transaction. If so, remove those keys from the keypool.
    1242                 :             :              * This can happen when restoring an old wallet backup that does not contain
    1243                 :             :              * the mostly recently created transactions from newer versions of the wallet.
    1244                 :             :              */
    1245                 :             : 
    1246                 :             :             // loop though all outputs
    1247         [ +  + ]:      133797 :             for (const CTxOut& txout: tx.vout) {
    1248         [ +  + ]:      155132 :                 for (const auto& spk_man : GetScriptPubKeyMans(txout.scriptPubKey)) {
    1249   [ +  -  +  + ]:       71388 :                     for (auto &dest : spk_man->MarkUnusedAddresses(txout.scriptPubKey)) {
    1250                 :             :                         // If internal flag is not defined try to infer it from the ScriptPubKeyMan
    1251         [ +  - ]:       24424 :                         if (!dest.internal.has_value()) {
    1252         [ +  - ]:       24424 :                             dest.internal = IsInternalScriptPubKeyMan(spk_man);
    1253                 :             :                         }
    1254                 :             : 
    1255                 :             :                         // skip if can't determine whether it's a receiving address or not
    1256         [ +  + ]:       24424 :                         if (!dest.internal.has_value()) continue;
    1257                 :             : 
    1258                 :             :                         // If this is a receiving address and it's not in the address book yet
    1259                 :             :                         // (e.g. it wasn't generated on this node or we're restoring from backup)
    1260                 :             :                         // add it to the address book for proper transaction accounting
    1261   [ +  +  +  -  :       16216 :                         if (!*dest.internal && !FindAddressBookEntry(dest.dest, /* allow_change= */ false)) {
                   +  + ]
    1262   [ +  -  +  - ]:       20328 :                             SetAddressBook(dest.dest, "", AddressPurpose::RECEIVE);
    1263                 :             :                         }
    1264                 :       46964 :                     }
    1265                 :      108168 :                 }
    1266                 :             :             }
    1267                 :             : 
    1268                 :             :             // Block disconnection override an abandoned tx as unconfirmed
    1269                 :             :             // which means user may have to call abandontransaction again
    1270         [ +  - ]:       51258 :             TxState tx_state = std::visit([](auto&& s) -> TxState { return s; }, state);
    1271   [ +  -  +  -  :       76887 :             CWalletTx* wtx = AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, rescanning_old_block);
                   +  - ]
    1272         [ -  + ]:       25629 :             if (!wtx) {
    1273                 :             :                 // Can only be nullptr if there was a db write error (missing db, read-only db or a db engine internal writing error).
    1274                 :             :                 // As we only store arriving transaction in this process, and we don't want an inconsistent state, let's throw an error.
    1275         [ #  # ]:           0 :                 throw std::runtime_error("DB error adding transaction to wallet, write failed");
    1276                 :             :             }
    1277                 :             :             return true;
    1278                 :             :         }
    1279                 :             :     }
    1280                 :             :     return false;
    1281                 :             : }
    1282                 :             : 
    1283                 :           0 : bool CWallet::TransactionCanBeAbandoned(const Txid& hashTx) const
    1284                 :             : {
    1285                 :           0 :     LOCK(cs_wallet);
    1286         [ #  # ]:           0 :     const CWalletTx* wtx = GetWalletTx(hashTx);
    1287   [ #  #  #  #  :           0 :     return wtx && !wtx->isAbandoned() && GetTxDepthInMainChain(*wtx) == 0 && !wtx->InMempool();
          #  #  #  #  #  
                #  #  # ]
    1288                 :           0 : }
    1289                 :             : 
    1290                 :          62 : void CWallet::UpdateTrucSiblingConflicts(const CWalletTx& parent_wtx, const Txid& child_txid, bool add_conflict) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet)
    1291                 :             : {
    1292                 :             :     // Find all other txs in our wallet that spend utxos from this parent
    1293                 :             :     // so that we can mark them as mempool-conflicted by this new tx.
    1294   [ -  +  +  + ]:         242 :     for (long unsigned int i = 0; i < parent_wtx.tx->vout.size(); i++) {
    1295         [ +  + ]:         225 :         for (auto range = mapTxSpends.equal_range(COutPoint(parent_wtx.tx->GetHash(), i)); range.first != range.second; range.first++) {
    1296         [ +  + ]:          45 :             const Txid& sibling_txid = range.first->second;
    1297                 :             :             // Skip the child_tx itself
    1298         [ +  + ]:          45 :             if (sibling_txid == child_txid) continue;
    1299         [ +  - ]:          34 :             RecursiveUpdateTxState(/*batch=*/nullptr, sibling_txid, [&child_txid, add_conflict](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1300   [ +  +  +  + ]:          17 :                 return add_conflict ? (wtx.mempool_conflicts.insert(child_txid).second ? TxUpdate::CHANGED : TxUpdate::UNCHANGED)
    1301         [ +  + ]:           9 :                                     : (wtx.mempool_conflicts.erase(child_txid) ? TxUpdate::CHANGED : TxUpdate::UNCHANGED);
    1302                 :             :             });
    1303                 :             :         }
    1304                 :             :     }
    1305                 :          62 : }
    1306                 :             : 
    1307                 :       32377 : void CWallet::MarkInputsDirty(const CTransactionRef& tx)
    1308                 :             : {
    1309         [ +  + ]:       73754 :     for (const CTxIn& txin : tx->vin) {
    1310                 :       41377 :         auto it = mapWallet.find(txin.prevout.hash);
    1311         [ +  + ]:       60867 :         if (it != mapWallet.end()) {
    1312                 :       19490 :             it->second.MarkDirty();
    1313                 :             :         }
    1314                 :             :     }
    1315                 :       32377 : }
    1316                 :             : 
    1317                 :           9 : bool CWallet::AbandonTransaction(const Txid& hashTx)
    1318                 :             : {
    1319                 :           9 :     LOCK(cs_wallet);
    1320                 :           9 :     auto it = mapWallet.find(hashTx);
    1321         [ -  + ]:           9 :     assert(it != mapWallet.end());
    1322   [ +  -  +  - ]:           9 :     return AbandonTransaction(it->second);
    1323                 :           9 : }
    1324                 :             : 
    1325                 :         441 : bool CWallet::AbandonTransaction(CWalletTx& tx)
    1326                 :             : {
    1327                 :             :     // Can't mark abandoned if confirmed or in mempool
    1328   [ +  +  +  + ]:         441 :     if (GetTxDepthInMainChain(tx) != 0 || tx.InMempool()) {
    1329                 :           3 :         return false;
    1330                 :             :     }
    1331                 :             : 
    1332                 :         897 :     auto try_updating_state = [](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1333                 :             :         // If the orig tx was not in block/mempool, none of its spends can be.
    1334         [ +  - ]:         459 :         assert(!wtx.isConfirmed());
    1335         [ -  + ]:         459 :         assert(!wtx.InMempool());
    1336                 :             :         // If already conflicted or abandoned, no need to set abandoned
    1337   [ +  -  +  - ]:         459 :         if (!wtx.isBlockConflicted() && !wtx.isAbandoned()) {
    1338         [ +  - ]:         351 :             wtx.m_state = TxStateInactive{/*abandoned=*/true};
    1339                 :         351 :             return TxUpdate::NOTIFY_CHANGED;
    1340                 :             :         }
    1341                 :             :         return TxUpdate::UNCHANGED;
    1342                 :             :     };
    1343                 :             : 
    1344                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too.
    1345                 :             :     // States are not permanent, so these transactions can become unabandoned if they are re-added to the
    1346                 :             :     // mempool, or confirmed in a block, or conflicted.
    1347                 :             :     // Note: If the reorged coinbase is re-added to the main chain, the descendants that have not had their
    1348                 :             :     // states change will remain abandoned and will require manual broadcast if the user wants them.
    1349                 :             : 
    1350         [ +  - ]:         438 :     RecursiveUpdateTxState(tx.GetHash(), try_updating_state);
    1351                 :             : 
    1352                 :         438 :     return true;
    1353                 :             : }
    1354                 :             : 
    1355                 :         175 : void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, const Txid& hashTx)
    1356                 :             : {
    1357                 :         175 :     LOCK(cs_wallet);
    1358                 :             : 
    1359                 :             :     // If number of conflict confirms cannot be determined, this means
    1360                 :             :     // that the block is still unknown or not yet part of the main chain,
    1361                 :             :     // for example when loading the wallet during a reindex. Do nothing in that
    1362                 :             :     // case.
    1363   [ +  +  +  - ]:         175 :     if (m_last_block_processed_height < 0 || conflicting_height < 0) {
    1364                 :             :         return;
    1365                 :             :     }
    1366                 :         172 :     int conflictconfirms = (m_last_block_processed_height - conflicting_height + 1) * -1;
    1367         [ +  - ]:         172 :     if (conflictconfirms >= 0)
    1368                 :             :         return;
    1369                 :             : 
    1370                 :         351 :     auto try_updating_state = [&](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1371         [ +  + ]:         179 :         if (conflictconfirms < GetTxDepthInMainChain(wtx)) {
    1372                 :             :             // Block is 'more conflicted' than current confirm; update.
    1373                 :             :             // Mark transaction as conflicted with this block.
    1374                 :         167 :             wtx.m_state = TxStateBlockConflicted{hashBlock, conflicting_height};
    1375                 :         167 :             return TxUpdate::CHANGED;
    1376                 :             :         }
    1377                 :             :         return TxUpdate::UNCHANGED;
    1378                 :         172 :     };
    1379                 :             : 
    1380                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too.
    1381   [ +  -  +  -  :         344 :     RecursiveUpdateTxState(hashTx, try_updating_state);
                   +  - ]
    1382                 :             : 
    1383                 :         175 : }
    1384                 :             : 
    1385                 :         618 : void CWallet::RecursiveUpdateTxState(const Txid& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1386                 :         618 :     WalletBatch batch(GetDatabase());
    1387         [ +  - ]:         618 :     RecursiveUpdateTxState(&batch, tx_hash, try_updating_state);
    1388                 :         618 : }
    1389                 :             : 
    1390                 :       14295 : void CWallet::RecursiveUpdateTxState(WalletBatch* batch, const Txid& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1391         [ +  - ]:       14295 :     std::set<Txid> todo;
    1392                 :       14295 :     std::set<Txid> done;
    1393                 :             : 
    1394         [ +  - ]:       14295 :     todo.insert(tx_hash);
    1395                 :             : 
    1396         [ +  + ]:       28635 :     while (!todo.empty()) {
    1397                 :       14340 :         Txid now = *todo.begin();
    1398                 :       14340 :         todo.erase(now);
    1399         [ +  - ]:       14340 :         done.insert(now);
    1400                 :       14340 :         auto it = mapWallet.find(now);
    1401         [ -  + ]:       14340 :         assert(it != mapWallet.end());
    1402         [ +  - ]:       14340 :         CWalletTx& wtx = it->second;
    1403                 :             : 
    1404         [ +  - ]:       14340 :         TxUpdate update_state = try_updating_state(wtx);
    1405         [ +  + ]:       14340 :         if (update_state != TxUpdate::UNCHANGED) {
    1406                 :        6207 :             wtx.MarkDirty();
    1407   [ +  +  +  - ]:        6207 :             if (batch) batch->WriteTx(wtx);
    1408                 :             :             // Iterate over all its outputs, and update those tx states as well (if applicable)
    1409   [ -  +  +  + ]:       18667 :             for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
    1410                 :       12460 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(now, i));
    1411         [ +  + ]:       12505 :                 for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
    1412         [ +  - ]:          45 :                     if (!done.contains(iter->second)) {
    1413         [ +  - ]:          45 :                         todo.insert(iter->second);
    1414                 :             :                     }
    1415                 :             :                 }
    1416                 :             :             }
    1417                 :             : 
    1418         [ +  + ]:        6207 :             if (update_state == TxUpdate::NOTIFY_CHANGED) {
    1419         [ +  - ]:         351 :                 NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
    1420                 :             :             }
    1421                 :             : 
    1422                 :             :             // If a transaction changes its tx state, that usually changes the balance
    1423                 :             :             // available of the outputs it spends. So force those to be recomputed
    1424         [ +  - ]:        6207 :             MarkInputsDirty(wtx.tx);
    1425                 :             :         }
    1426                 :             :     }
    1427                 :       14295 : }
    1428                 :             : 
    1429                 :      187825 : bool CWallet::SyncTransaction(const CTransactionRef& ptx, const SyncTxState& state, bool rescanning_old_block)
    1430                 :             : {
    1431         [ +  + ]:      187825 :     if (!AddToWalletIfInvolvingMe(ptx, state, rescanning_old_block))
    1432                 :             :         return false; // Not one of ours
    1433                 :             : 
    1434                 :             :     // If a transaction changes 'conflicted' state, that changes the balance
    1435                 :             :     // available of the outputs it spends. So force those to be
    1436                 :             :     // recomputed, also:
    1437                 :       25629 :     MarkInputsDirty(ptx);
    1438                 :       25629 :     return true;
    1439                 :             : }
    1440                 :             : 
    1441                 :        7431 : void CWallet::transactionAddedToMempool(const CTransactionRef& tx) {
    1442                 :        7431 :     LOCK(cs_wallet);
    1443         [ +  - ]:        7431 :     SyncTransaction(tx, TxStateInMempool{});
    1444                 :             : 
    1445                 :        7431 :     auto it = mapWallet.find(tx->GetHash());
    1446         [ +  + ]:        7431 :     if (it != mapWallet.end()) {
    1447         [ +  - ]:        3732 :         RefreshMempoolStatus(it->second, chain());
    1448                 :             :     }
    1449                 :             : 
    1450                 :        7431 :     const Txid& txid = tx->GetHash();
    1451                 :             : 
    1452         [ +  + ]:       21058 :     for (const CTxIn& tx_in : tx->vin) {
    1453                 :             :         // For each wallet transaction spending this prevout..
    1454         [ +  + ]:       24898 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1455         [ +  + ]:       11271 :             const Txid& spent_id = range.first->second;
    1456                 :             :             // Skip the recently added tx
    1457         [ +  + ]:       11271 :             if (spent_id == txid) continue;
    1458         [ +  - ]:        5698 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1459         [ +  + ]:        2856 :                 return wtx.mempool_conflicts.insert(txid).second ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1460                 :             :             });
    1461                 :             :         }
    1462                 :             : 
    1463                 :             :     }
    1464                 :             : 
    1465         [ +  + ]:        7431 :     if (tx->version == TRUC_VERSION) {
    1466                 :             :         // Unconfirmed TRUC transactions are only allowed a 1-parent-1-child topology.
    1467                 :             :         // For any unconfirmed v3 parents (there should be a maximum of 1 except in reorgs),
    1468                 :             :         // record this child so the wallet doesn't try to spend any other outputs
    1469         [ +  + ]:         519 :         for (const CTxIn& tx_in : tx->vin) {
    1470                 :         376 :             auto parent_it = mapWallet.find(tx_in.prevout.hash);
    1471         [ +  + ]:         511 :             if (parent_it != mapWallet.end()) {
    1472         [ +  + ]:         135 :                 CWalletTx& parent_wtx = parent_it->second;
    1473         [ +  + ]:         135 :                 if (parent_wtx.isUnconfirmed()) {
    1474         [ -  + ]:          31 :                     parent_wtx.truc_child_in_mempool = tx->GetHash();
    1475                 :             :                     // Even though these siblings do not spend the same utxos, they can't
    1476                 :             :                     // be present in the mempool at the same time because of TRUC policy rules
    1477         [ +  - ]:          31 :                     UpdateTrucSiblingConflicts(parent_wtx, txid, /*add_conflict=*/true);
    1478                 :             :                 }
    1479                 :             :             }
    1480                 :             :         }
    1481                 :             :     }
    1482                 :        7431 : }
    1483                 :             : 
    1484                 :       76647 : void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason) {
    1485                 :       76647 :     LOCK(cs_wallet);
    1486                 :       76647 :     auto it = mapWallet.find(tx->GetHash());
    1487         [ +  + ]:       76647 :     if (it != mapWallet.end()) {
    1488         [ +  - ]:       13624 :         RefreshMempoolStatus(it->second, chain());
    1489                 :             :     }
    1490                 :             :     // Handle transactions that were removed from the mempool because they
    1491                 :             :     // conflict with transactions in a newly connected block.
    1492         [ +  + ]:       76647 :     if (reason == MemPoolRemovalReason::CONFLICT) {
    1493                 :             :         // Trigger external -walletnotify notifications for these transactions.
    1494                 :             :         // Set Status::UNCONFIRMED instead of Status::CONFLICTED for a few reasons:
    1495                 :             :         //
    1496                 :             :         // 1. The transactionRemovedFromMempool callback does not currently
    1497                 :             :         //    provide the conflicting block's hash and height, and for backwards
    1498                 :             :         //    compatibility reasons it may not be not safe to store conflicted
    1499                 :             :         //    wallet transactions with a null block hash. See
    1500                 :             :         //    https://github.com/bitcoin/bitcoin/pull/18600#discussion_r420195993.
    1501                 :             :         // 2. For most of these transactions, the wallet's internal conflict
    1502                 :             :         //    detection in the blockConnected handler will subsequently call
    1503                 :             :         //    MarkConflicted and update them with CONFLICTED status anyway. This
    1504                 :             :         //    applies to any wallet transaction that has inputs spent in the
    1505                 :             :         //    block, or that has ancestors in the wallet with inputs spent by
    1506                 :             :         //    the block.
    1507                 :             :         // 3. Longstanding behavior since the sync implementation in
    1508                 :             :         //    https://github.com/bitcoin/bitcoin/pull/9371 and the prior sync
    1509                 :             :         //    implementation before that was to mark these transactions
    1510                 :             :         //    unconfirmed rather than conflicted.
    1511                 :             :         //
    1512                 :             :         // Nothing described above should be seen as an unchangeable requirement
    1513                 :             :         // when improving this code in the future. The wallet's heuristics for
    1514                 :             :         // distinguishing between conflicted and unconfirmed transactions are
    1515                 :             :         // imperfect, and could be improved in general, see
    1516                 :             :         // https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking
    1517         [ +  - ]:          14 :         SyncTransaction(tx, TxStateInactive{});
    1518                 :             :     }
    1519                 :             : 
    1520                 :       76647 :     const Txid& txid = tx->GetHash();
    1521                 :             : 
    1522         [ +  + ]:      159211 :     for (const CTxIn& tx_in : tx->vin) {
    1523                 :             :         // Iterate over all wallet transactions spending txin.prev
    1524                 :             :         // and recursively mark them as no longer conflicting with
    1525                 :             :         // txid
    1526         [ +  + ]:       93375 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1527         [ +  - ]:       10811 :             const Txid& spent_id = range.first->second;
    1528                 :             : 
    1529         [ +  - ]:       21622 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1530         [ +  + ]:       10817 :                 return wtx.mempool_conflicts.erase(txid) ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1531                 :             :             });
    1532                 :             :         }
    1533                 :             :     }
    1534                 :             : 
    1535         [ +  + ]:       76647 :     if (tx->version == TRUC_VERSION) {
    1536                 :             :         // If this tx has a parent, unset its truc_child_in_mempool to make it possible
    1537                 :             :         // to spend from the parent again. If this tx was replaced by another
    1538                 :             :         // child of the same parent, transactionAddedToMempool
    1539                 :             :         // will update truc_child_in_mempool
    1540         [ +  + ]:         519 :         for (const CTxIn& tx_in : tx->vin) {
    1541                 :         376 :             auto parent_it = mapWallet.find(tx_in.prevout.hash);
    1542         [ +  + ]:         511 :             if (parent_it != mapWallet.end()) {
    1543         [ +  + ]:         135 :                 CWalletTx& parent_wtx = parent_it->second;
    1544         [ +  + ]:         135 :                 if (parent_wtx.truc_child_in_mempool == tx->GetHash()) {
    1545         [ +  - ]:          31 :                     parent_wtx.truc_child_in_mempool = std::nullopt;
    1546         [ +  - ]:          31 :                     UpdateTrucSiblingConflicts(parent_wtx, txid, /*add_conflict=*/false);
    1547                 :             :                 }
    1548                 :             :             }
    1549                 :             :         }
    1550                 :             :     }
    1551                 :       76647 : }
    1552                 :             : 
    1553                 :       71609 : void CWallet::blockConnected(const ChainstateRole& role, const interfaces::BlockInfo& block)
    1554                 :             : {
    1555         [ +  + ]:       71609 :     if (role.historical) {
    1556                 :             :         return;
    1557                 :             :     }
    1558         [ -  + ]:       71509 :     assert(block.data);
    1559                 :       71509 :     LOCK(cs_wallet);
    1560                 :             : 
    1561                 :             :     // Update the best block in memory first. This will set the best block's height, which is
    1562                 :             :     // needed by MarkConflicted.
    1563         [ +  - ]:       71509 :     SetLastBlockProcessedInMem(block.height, block.hash);
    1564                 :             : 
    1565                 :             :     // No need to scan block if it was created before the wallet birthday.
    1566                 :             :     // Uses chain max time and twice the grace period to adjust time for block time variability.
    1567   [ +  +  +  - ]:       71509 :     if (block.chain_time_max < m_birth_time.load() - (TIMESTAMP_WINDOW * 2)) return;
    1568                 :             : 
    1569                 :             :     // Scan block
    1570                 :             :     bool wallet_updated = false;
    1571   [ -  +  +  + ]:      145427 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1572         [ +  - ]:       76388 :         wallet_updated |= SyncTransaction(block.data->vtx[index], TxStateConfirmed{block.hash, block.height, static_cast<int>(index)});
    1573         [ +  - ]:       76388 :         transactionRemovedFromMempool(block.data->vtx[index], MemPoolRemovalReason::BLOCK);
    1574                 :             :     }
    1575                 :             : 
    1576                 :             :     // Update on disk if this block resulted in us updating a tx, or periodically every 144 blocks (~1 day)
    1577   [ +  +  +  + ]:       69039 :     if (wallet_updated || block.height % 144 == 0) {
    1578         [ +  - ]:       11430 :         WriteBestBlock();
    1579                 :             :     }
    1580                 :       71509 : }
    1581                 :             : 
    1582                 :        3448 : void CWallet::blockDisconnected(const interfaces::BlockInfo& block)
    1583                 :             : {
    1584         [ -  + ]:        3448 :     assert(block.data);
    1585                 :        3448 :     LOCK(cs_wallet);
    1586                 :             : 
    1587                 :             :     // At block disconnection, this will change an abandoned transaction to
    1588                 :             :     // be unconfirmed, whether or not the transaction is added back to the mempool.
    1589                 :             :     // User may have to call abandontransaction again. It may be addressed in the
    1590                 :             :     // future with a stickier abandoned state or even removing abandontransaction call.
    1591                 :        3448 :     int disconnect_height = block.height;
    1592                 :             : 
    1593   [ -  +  +  + ]:        6952 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1594         [ +  - ]:        3504 :         const CTransactionRef& ptx = block.data->vtx[index];
    1595                 :             :         // Coinbase transactions are not only inactive but also abandoned,
    1596                 :             :         // meaning they should never be relayed standalone via the p2p protocol.
    1597         [ +  - ]:        3504 :         SyncTransaction(ptx, TxStateInactive{/*abandoned=*/index == 0});
    1598                 :             : 
    1599         [ +  + ]:        7113 :         for (const CTxIn& tx_in : ptx->vin) {
    1600                 :             :             // No other wallet transactions conflicted with this transaction
    1601         [ +  + ]:        3609 :             if (!mapTxSpends.contains(tx_in.prevout)) continue;
    1602                 :             : 
    1603                 :          89 :             std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(tx_in.prevout);
    1604                 :             : 
    1605                 :             :             // For all of the spends that conflict with this transaction
    1606         [ +  + ]:        3706 :             for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it) {
    1607         [ +  + ]:          97 :                 CWalletTx& wtx = mapWallet.find(_it->second)->second;
    1608                 :             : 
    1609         [ +  + ]:          97 :                 if (!wtx.isBlockConflicted()) continue;
    1610                 :             : 
    1611                 :          20 :                 auto try_updating_state = [&](CWalletTx& tx) {
    1612         [ +  - ]:          12 :                     if (!tx.isBlockConflicted()) return TxUpdate::UNCHANGED;
    1613         [ +  + ]:          12 :                     if (tx.state<TxStateBlockConflicted>()->conflicting_block_height >= disconnect_height) {
    1614         [ -  + ]:          11 :                         tx.m_state = TxStateInactive{};
    1615                 :          11 :                         return TxUpdate::CHANGED;
    1616                 :             :                     }
    1617                 :             :                     return TxUpdate::UNCHANGED;
    1618                 :           8 :                 };
    1619                 :             : 
    1620         [ +  - ]:          16 :                 RecursiveUpdateTxState(wtx.tx->GetHash(), try_updating_state);
    1621                 :             :             }
    1622                 :             :         }
    1623                 :             :     }
    1624                 :             : 
    1625                 :             :     // Update the best block
    1626   [ -  +  +  - ]:        3448 :     SetLastBlockProcessed(block.height - 1, *Assert(block.prev_hash));
    1627                 :        3448 : }
    1628                 :             : 
    1629                 :       69423 : void CWallet::updatedBlockTip()
    1630                 :             : {
    1631                 :       69423 :     m_best_block_time = GetTime();
    1632                 :       69423 : }
    1633                 :             : 
    1634                 :        6650 : void CWallet::BlockUntilSyncedToCurrentChain() const {
    1635                 :        6650 :     AssertLockNotHeld(cs_wallet);
    1636                 :             :     // Skip the queue-draining stuff if we know we're caught up with
    1637                 :             :     // chain().Tip(), otherwise put a callback in the validation interface queue and wait
    1638                 :             :     // for the queue to drain enough to execute it (indicating we are caught up
    1639                 :             :     // at least with the time we entered this function).
    1640         [ +  - ]:       13300 :     uint256 last_block_hash = WITH_LOCK(cs_wallet, return m_last_block_processed);
    1641                 :        6650 :     chain().waitForNotificationsIfTipChanged(last_block_hash);
    1642                 :        6650 : }
    1643                 :             : 
    1644                 :             : // Note that this function doesn't distinguish between a 0-valued input,
    1645                 :             : // and a not-"is mine" input.
    1646                 :        2293 : CAmount CWallet::GetDebit(const CTxIn &txin) const
    1647                 :             : {
    1648                 :        2293 :     LOCK(cs_wallet);
    1649         [ +  - ]:        2293 :     auto txo = GetTXO(txin.prevout);
    1650         [ +  + ]:        2293 :     if (txo) {
    1651                 :        1478 :         return txo->GetTxOut().nValue;
    1652                 :             :     }
    1653                 :             :     return 0;
    1654                 :        2293 : }
    1655                 :             : 
    1656                 :      649997 : bool CWallet::IsMine(const CTxOut& txout) const
    1657                 :             : {
    1658                 :      649997 :     AssertLockHeld(cs_wallet);
    1659                 :      649997 :     return IsMine(txout.scriptPubKey);
    1660                 :             : }
    1661                 :             : 
    1662                 :       31817 : bool CWallet::IsMine(const CTxDestination& dest) const
    1663                 :             : {
    1664                 :       31817 :     AssertLockHeld(cs_wallet);
    1665         [ +  - ]:       31817 :     return IsMine(GetScriptForDestination(dest));
    1666                 :             : }
    1667                 :             : 
    1668                 :      684982 : bool CWallet::IsMine(const CScript& script) const
    1669                 :             : {
    1670                 :      684982 :     AssertLockHeld(cs_wallet);
    1671                 :             : 
    1672                 :             :     // Search the cache so that IsMine is called only on the relevant SPKMs instead of on everything in m_spk_managers
    1673                 :      684982 :     const auto& it = m_cached_spks.find(script);
    1674         [ +  + ]:      684982 :     if (it != m_cached_spks.end()) {
    1675                 :      195923 :         bool res = false;
    1676         [ +  + ]:      391896 :         for (const auto& spkm : it->second) {
    1677   [ +  +  +  - ]:      391896 :             res = res || spkm->IsMine(script);
    1678                 :             :         }
    1679                 :      195923 :         Assume(res);
    1680                 :      195923 :         return res;
    1681                 :             :     }
    1682                 :             : 
    1683                 :             :     return false;
    1684                 :             : }
    1685                 :             : 
    1686                 :      179405 : bool CWallet::IsMine(const CTransaction& tx) const
    1687                 :             : {
    1688                 :      179405 :     AssertLockHeld(cs_wallet);
    1689         [ +  + ]:      572914 :     for (const CTxOut& txout : tx.vout)
    1690         [ +  + ]:      410488 :         if (IsMine(txout))
    1691                 :             :             return true;
    1692                 :             :     return false;
    1693                 :             : }
    1694                 :             : 
    1695                 :        2984 : bool CWallet::IsMine(const COutPoint& outpoint) const
    1696                 :             : {
    1697                 :        2984 :     AssertLockHeld(cs_wallet);
    1698                 :        2984 :     auto wtx = GetWalletTx(outpoint.hash);
    1699         [ +  + ]:        2984 :     if (!wtx) {
    1700                 :             :         return false;
    1701                 :             :     }
    1702   [ -  +  +  - ]:        2962 :     if (outpoint.n >= wtx->tx->vout.size()) {
    1703                 :             :         return false;
    1704                 :             :     }
    1705                 :        2962 :     return IsMine(wtx->tx->vout[outpoint.n]);
    1706                 :             : }
    1707                 :             : 
    1708                 :      171126 : bool CWallet::IsFromMe(const CTransaction& tx) const
    1709                 :             : {
    1710                 :      171126 :     LOCK(cs_wallet);
    1711         [ +  + ]:      376157 :     for (const CTxIn& txin : tx.vin) {
    1712   [ +  -  +  + ]:      208240 :         if (GetTXO(txin.prevout)) return true;
    1713                 :             :     }
    1714                 :             :     return false;
    1715                 :      171126 : }
    1716                 :             : 
    1717                 :        1242 : CAmount CWallet::GetDebit(const CTransaction& tx) const
    1718                 :             : {
    1719                 :        1242 :     CAmount nDebit = 0;
    1720         [ +  + ]:        3522 :     for (const CTxIn& txin : tx.vin)
    1721                 :             :     {
    1722                 :        2280 :         nDebit += GetDebit(txin);
    1723         [ -  + ]:        2280 :         if (!MoneyRange(nDebit))
    1724   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": value out of range");
    1725                 :             :     }
    1726                 :        1242 :     return nDebit;
    1727                 :             : }
    1728                 :             : 
    1729                 :           4 : bool CWallet::IsHDEnabled() const
    1730                 :             : {
    1731                 :             :     // All Active ScriptPubKeyMans must be HD for this to be true
    1732                 :           4 :     bool result = false;
    1733         [ +  + ]:          36 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    1734   [ +  -  -  + ]:          32 :         if (!spk_man->IsHDEnabled()) return false;
    1735                 :          32 :         result = true;
    1736                 :             :     }
    1737                 :           4 :     return result;
    1738                 :             : }
    1739                 :             : 
    1740                 :       11451 : bool CWallet::CanGetAddresses(bool internal) const
    1741                 :             : {
    1742                 :       11451 :     LOCK(cs_wallet);
    1743         [ +  + ]:       11451 :     if (m_spk_managers.empty()) return false;
    1744         [ +  + ]:       12351 :     for (OutputType t : OUTPUT_TYPES) {
    1745         [ +  - ]:       12338 :         auto spk_man = GetScriptPubKeyMan(t, internal);
    1746   [ +  +  +  -  :       12338 :         if (spk_man && spk_man->CanGetAddresses(internal)) {
                   -  + ]
    1747                 :             :             return true;
    1748                 :             :         }
    1749                 :             :     }
    1750                 :             :     return false;
    1751                 :       11451 : }
    1752                 :             : 
    1753                 :          71 : void CWallet::SetWalletFlag(uint64_t flags)
    1754                 :             : {
    1755                 :          71 :     WalletBatch batch(GetDatabase());
    1756         [ +  - ]:          71 :     return SetWalletFlagWithDB(batch, flags);
    1757                 :          71 : }
    1758                 :             : 
    1759                 :         109 : void CWallet::SetWalletFlagWithDB(WalletBatch& batch, uint64_t flags)
    1760                 :             : {
    1761                 :         109 :     LOCK(cs_wallet);
    1762         [ +  - ]:         109 :     m_wallet_flags |= flags;
    1763   [ +  -  -  + ]:         109 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1764   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1765                 :         109 : }
    1766                 :             : 
    1767                 :           1 : void CWallet::UnsetWalletFlag(uint64_t flag)
    1768                 :             : {
    1769                 :           1 :     WalletBatch batch(GetDatabase());
    1770         [ +  - ]:           1 :     UnsetWalletFlagWithDB(batch, flag);
    1771                 :           1 : }
    1772                 :             : 
    1773                 :        3819 : void CWallet::UnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
    1774                 :             : {
    1775                 :        3819 :     LOCK(cs_wallet);
    1776         [ +  - ]:        3819 :     m_wallet_flags &= ~flag;
    1777   [ +  -  -  + ]:        3819 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1778   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1779                 :        3819 : }
    1780                 :             : 
    1781                 :        3818 : void CWallet::UnsetBlankWalletFlag(WalletBatch& batch)
    1782                 :             : {
    1783                 :        3818 :     UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
    1784                 :        3818 : }
    1785                 :             : 
    1786                 :      211116 : bool CWallet::IsWalletFlagSet(uint64_t flag) const
    1787                 :             : {
    1788                 :      211116 :     return (m_wallet_flags & flag);
    1789                 :             : }
    1790                 :             : 
    1791                 :        1010 : bool CWallet::LoadWalletFlags(uint64_t flags)
    1792                 :             : {
    1793                 :        1010 :     LOCK(cs_wallet);
    1794         [ +  - ]:        1010 :     if (((flags & KNOWN_WALLET_FLAGS) >> 32) ^ (flags >> 32)) {
    1795                 :             :         // contains unknown non-tolerable wallet flags
    1796                 :             :         return false;
    1797                 :             :     }
    1798                 :        1010 :     m_wallet_flags = flags;
    1799                 :             : 
    1800                 :        1010 :     return true;
    1801                 :        1010 : }
    1802                 :             : 
    1803                 :         637 : void CWallet::InitWalletFlags(uint64_t flags)
    1804                 :             : {
    1805                 :         637 :     LOCK(cs_wallet);
    1806                 :             : 
    1807                 :             :     // We should never be writing unknown non-tolerable wallet flags
    1808         [ -  + ]:         637 :     assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
    1809                 :             :     // This should only be used once, when creating a new wallet - so current flags are expected to be blank
    1810         [ -  + ]:         637 :     assert(m_wallet_flags == 0);
    1811                 :             : 
    1812   [ +  -  +  -  :        1274 :     if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
                   -  + ]
    1813   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1814                 :             :     }
    1815                 :             : 
    1816   [ +  -  -  + ]:         637 :     if (!LoadWalletFlags(flags)) assert(false);
    1817                 :         637 : }
    1818                 :             : 
    1819                 :         435 : uint64_t CWallet::GetWalletFlags() const
    1820                 :             : {
    1821                 :         435 :     return m_wallet_flags;
    1822                 :             : }
    1823                 :             : 
    1824                 :       34891 : void CWallet::MaybeUpdateBirthTime(int64_t time)
    1825                 :             : {
    1826         [ +  + ]:       34891 :     int64_t birthtime = m_birth_time.load();
    1827         [ +  + ]:       34891 :     if (time < birthtime) {
    1828                 :        1454 :         m_birth_time = time;
    1829                 :             :     }
    1830                 :       34891 : }
    1831                 :             : 
    1832                 :             : /**
    1833                 :             :  * Scan active chain for relevant transactions after importing keys. This should
    1834                 :             :  * be called whenever new keys are added to the wallet, with the oldest key
    1835                 :             :  * creation time.
    1836                 :             :  *
    1837                 :             :  * @return Earliest timestamp that could be successfully scanned from. Timestamp
    1838                 :             :  * returned will be higher than startTime if relevant blocks could not be read.
    1839                 :             :  */
    1840                 :         627 : int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver)
    1841                 :             : {
    1842                 :             :     // Find starting block. May be null if nCreateTime is greater than the
    1843                 :             :     // highest blockchain timestamp, in which case there is nothing that needs
    1844                 :             :     // to be scanned.
    1845                 :         627 :     int start_height = 0;
    1846                 :         627 :     uint256 start_block;
    1847                 :         627 :     bool start = chain().findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, FoundBlock().hash(start_block).height(start_height));
    1848   [ +  -  +  - ]:        1254 :     WalletLogPrintf("%s: Rescanning last %i blocks\n", __func__, start ? WITH_LOCK(cs_wallet, return GetLastBlockHeight()) - start_height + 1 : 0);
    1849                 :             : 
    1850         [ +  - ]:         627 :     if (start) {
    1851                 :             :         // TODO: this should take into account failure by ScanResult::USER_ABORT
    1852                 :         627 :         ScanResult result = ScanForWalletTransactions(start_block, start_height, /*max_height=*/{}, reserver, /*save_progress=*/false);
    1853         [ +  + ]:         627 :         if (result.status == ScanResult::FAILURE) {
    1854                 :           2 :             int64_t time_max;
    1855                 :           2 :             CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));
    1856                 :           2 :             return time_max + TIMESTAMP_WINDOW + 1;
    1857                 :             :         }
    1858                 :             :     }
    1859                 :             :     return startTime;
    1860                 :             : }
    1861                 :             : 
    1862                 :             : /**
    1863                 :             :  * Scan the block chain (starting in start_block) for transactions
    1864                 :             :  * from or to us. If max_height is not set, the
    1865                 :             :  * mempool will be scanned as well.
    1866                 :             :  *
    1867                 :             :  * @param[in] start_block Scan starting block. If block is not on the active
    1868                 :             :  *                        chain, the scan will return SUCCESS immediately.
    1869                 :             :  * @param[in] start_height Height of start_block
    1870                 :             :  * @param[in] max_height  Optional max scanning height. If unset there is
    1871                 :             :  *                        no maximum and scanning can continue to the tip
    1872                 :             :  *
    1873                 :             :  * @return ScanResult returning scan information and indicating success or
    1874                 :             :  *         failure. Return status will be set to SUCCESS if scan was
    1875                 :             :  *         successful. FAILURE if a complete rescan was not possible (due to
    1876                 :             :  *         pruning or corruption). USER_ABORT if the rescan was aborted before
    1877                 :             :  *         it could complete.
    1878                 :             :  *
    1879                 :             :  * @pre Caller needs to make sure start_block (and the optional stop_block) are on
    1880                 :             :  * the main chain after to the addition of any new keys you want to detect
    1881                 :             :  * transactions for.
    1882                 :             :  */
    1883                 :         706 : CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, int start_height, std::optional<int> max_height, const WalletRescanReserver& reserver, const bool save_progress)
    1884                 :             : {
    1885                 :         706 :     constexpr auto INTERVAL_TIME{60s};
    1886                 :         706 :     auto current_time{reserver.now()};
    1887                 :         706 :     auto start_time{reserver.now()};
    1888                 :             : 
    1889         [ -  + ]:         706 :     assert(reserver.isReserved());
    1890                 :             : 
    1891                 :         706 :     uint256 block_hash = start_block;
    1892                 :         706 :     ScanResult result;
    1893                 :             : 
    1894                 :         706 :     std::unique_ptr<FastWalletRescanFilter> fast_rescan_filter;
    1895   [ +  -  +  +  :         711 :     if (chain().hasBlockFilterIndex(BlockFilterType::BASIC)) fast_rescan_filter = std::make_unique<FastWalletRescanFilter>(*this);
                   +  - ]
    1896                 :             : 
    1897   [ +  +  +  - ]:        1412 :     WalletLogPrintf("Rescan started from block %s... (%s)\n", start_block.ToString(),
    1898   [ +  +  +  - ]:        1407 :                     fast_rescan_filter ? "fast variant using block filters" : "slow variant inspecting all blocks");
    1899                 :             : 
    1900   [ +  -  +  -  :        1412 :     ShowProgress(strprintf("[%s] %s", DisplayName(), _("Rescanning…")), 0); // show rescan progress in GUI as dialog or on splashscreen, if rescan required on startup (e.g. due to corruption)
                   +  - ]
    1901   [ +  -  +  - ]:        1412 :     uint256 tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
    1902                 :         706 :     uint256 end_hash = tip_hash;
    1903   [ +  +  +  - ]:         706 :     if (max_height) chain().findAncestorByHeight(tip_hash, *max_height, FoundBlock().hash(end_hash));
    1904         [ +  - ]:         706 :     double progress_begin = chain().guessVerificationProgress(block_hash);
    1905         [ +  - ]:         706 :     double progress_end = chain().guessVerificationProgress(end_hash);
    1906                 :         706 :     double progress_current = progress_begin;
    1907                 :         706 :     int block_height = start_height;
    1908   [ +  +  +  -  :       80106 :     while (!fAbortRescan && !chain().shutdownRequested()) {
                   +  - ]
    1909         [ +  + ]:       80104 :         if (progress_end - progress_begin > 0.0) {
    1910                 :       79883 :             m_scanning_progress = (progress_current - progress_begin) / (progress_end - progress_begin);
    1911                 :             :         } else { // avoid divide-by-zero for single block scan range (i.e. start and stop hashes are equal)
    1912                 :         221 :             m_scanning_progress = 0;
    1913                 :             :         }
    1914   [ +  +  +  + ]:       80104 :         if (block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
    1915   [ +  +  +  +  :        3098 :             ShowProgress(strprintf("[%s] %s", DisplayName(), _("Rescanning…")), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
          +  -  +  -  +  
                      - ]
    1916                 :             :         }
    1917                 :             : 
    1918   [ +  -  +  + ]:       80104 :         bool next_interval = reserver.now() >= current_time + INTERVAL_TIME;
    1919         [ +  + ]:       80104 :         if (next_interval) {
    1920         [ +  - ]:           2 :             current_time = reserver.now();
    1921         [ +  - ]:           2 :             WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
    1922                 :             :         }
    1923                 :             : 
    1924                 :       80104 :         bool fetch_block{true};
    1925         [ +  + ]:       80104 :         if (fast_rescan_filter) {
    1926         [ +  - ]:         616 :             fast_rescan_filter->UpdateIfNeeded();
    1927         [ +  - ]:         616 :             auto matches_block{fast_rescan_filter->MatchesBlock(block_hash)};
    1928         [ +  - ]:         616 :             if (matches_block.has_value()) {
    1929         [ +  + ]:         616 :                 if (*matches_block) {
    1930   [ +  -  +  -  :          62 :                     LogDebug(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (filter matched)\n", block_height, block_hash.ToString());
             +  -  +  - ]
    1931                 :             :                 } else {
    1932                 :         554 :                     result.last_scanned_block = block_hash;
    1933                 :         554 :                     result.last_scanned_height = block_height;
    1934                 :         554 :                     fetch_block = false;
    1935                 :             :                 }
    1936                 :             :             } else {
    1937   [ #  #  #  #  :           0 :                 LogDebug(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (WARNING: block filter not found!)\n", block_height, block_hash.ToString());
             #  #  #  # ]
    1938                 :             :             }
    1939                 :             :         }
    1940                 :             : 
    1941                 :             :         // Find next block separately from reading data above, because reading
    1942                 :             :         // is slow and there might be a reorg while it is read.
    1943                 :       80104 :         bool block_still_active = false;
    1944                 :       80104 :         bool next_block = false;
    1945                 :       80104 :         uint256 next_block_hash;
    1946         [ +  - ]:       80104 :         chain().findBlock(block_hash, FoundBlock().inActiveChain(block_still_active).nextBlock(FoundBlock().inActiveChain(next_block).hash(next_block_hash)));
    1947                 :             : 
    1948         [ +  + ]:       80104 :         if (fetch_block) {
    1949                 :             :             // Read block data and locator if needed (the locator is usually null unless we need to save progress)
    1950                 :       79550 :             CBlock block;
    1951                 :       79550 :             CBlockLocator loc;
    1952                 :             :             // Find block
    1953         [ +  + ]:       79550 :             FoundBlock found_block{FoundBlock().data(block)};
    1954         [ +  + ]:       79550 :             if (save_progress && next_interval) found_block.locator(loc);
    1955         [ +  - ]:       79550 :             chain().findBlock(block_hash, found_block);
    1956                 :             : 
    1957         [ +  + ]:       79550 :             if (!block.IsNull()) {
    1958         [ +  - ]:       79346 :                 LOCK(cs_wallet);
    1959         [ -  + ]:       79346 :                 if (!block_still_active) {
    1960                 :             :                     // Abort scan if current block is no longer active, to prevent
    1961                 :             :                     // marking transactions as coming from the wrong block.
    1962                 :           0 :                     result.last_failed_block = block_hash;
    1963                 :           0 :                     result.status = ScanResult::FAILURE;
    1964         [ #  # ]:           0 :                     break;
    1965                 :             :                 }
    1966   [ -  +  +  + ]:      179834 :                 for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
    1967         [ +  - ]:      100488 :                     SyncTransaction(block.vtx[posInBlock], TxStateConfirmed{block_hash, block_height, static_cast<int>(posInBlock)}, /*rescanning_old_block=*/true);
    1968                 :             :                 }
    1969                 :             :                 // scan succeeded, record block as most recent successfully scanned
    1970                 :       79346 :                 result.last_scanned_block = block_hash;
    1971         [ +  + ]:       79346 :                 result.last_scanned_height = block_height;
    1972                 :             : 
    1973         [ +  + ]:       79346 :                 if (!loc.IsNull()) {
    1974         [ +  - ]:           2 :                     WalletLogPrintf("Saving scan progress %d.\n", block_height);
    1975         [ +  - ]:           2 :                     WalletBatch batch(GetDatabase());
    1976         [ +  - ]:           2 :                     batch.WriteBestBlock(loc);
    1977                 :           2 :                 }
    1978                 :       79346 :             } else {
    1979                 :             :                 // could not scan block, keep scanning but record this block as the most recent failure
    1980                 :         204 :                 result.last_failed_block = block_hash;
    1981                 :         204 :                 result.status = ScanResult::FAILURE;
    1982                 :             :             }
    1983                 :       79550 :         }
    1984   [ +  +  +  + ]:       80104 :         if (max_height && block_height >= *max_height) {
    1985                 :             :             break;
    1986                 :             :         }
    1987                 :             :         // If rescanning was triggered with cs_wallet permanently locked (AttachChain), additional blocks that were connected during the rescan
    1988                 :             :         // aren't processed here but will be processed with the pending blockConnected notifications after the lock is released.
    1989                 :             :         // If rescanning without a permanent cs_wallet lock, additional blocks that were added during the rescan will be re-processed if
    1990                 :             :         // the notification was processed and the last block height was updated.
    1991   [ +  -  +  +  :      160204 :         if (block_height >= WITH_LOCK(cs_wallet, return GetLastBlockHeight())) {
                   +  - ]
    1992                 :             :             break;
    1993                 :             :         }
    1994                 :             : 
    1995                 :       79401 :         {
    1996         [ +  + ]:       79401 :             if (!next_block) {
    1997                 :             :                 // break successfully when rescan has reached the tip, or
    1998                 :             :                 // previous block is no longer on the chain due to a reorg
    1999                 :             :                 break;
    2000                 :             :             }
    2001                 :             : 
    2002                 :             :             // increment block and verification progress
    2003                 :       79400 :             block_hash = next_block_hash;
    2004                 :       79400 :             ++block_height;
    2005         [ +  - ]:       79400 :             progress_current = chain().guessVerificationProgress(block_hash);
    2006                 :             : 
    2007                 :             :             // handle updated tip hash
    2008                 :       79400 :             const uint256 prev_tip_hash = tip_hash;
    2009   [ +  -  +  - ]:      158800 :             tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
    2010   [ +  +  -  + ]:       79400 :             if (!max_height && prev_tip_hash != tip_hash) {
    2011                 :             :                 // in case the tip has changed, update progress max
    2012         [ #  # ]:           0 :                 progress_end = chain().guessVerificationProgress(tip_hash);
    2013                 :             :             }
    2014                 :             :         }
    2015                 :             :     }
    2016         [ +  + ]:         706 :     if (!max_height) {
    2017         [ +  - ]:         704 :         WalletLogPrintf("Scanning current mempool transactions.\n");
    2018   [ +  -  +  - ]:        2112 :         WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    2019                 :             :     }
    2020   [ +  -  +  -  :        1412 :     ShowProgress(strprintf("[%s] %s", DisplayName(), _("Rescanning…")), 100); // hide progress dialog in GUI
                   +  - ]
    2021         [ +  + ]:         706 :     if (fAbortRescan) {
    2022         [ +  - ]:           2 :         WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", block_height, progress_current);
    2023                 :           2 :         result.status = ScanResult::USER_ABORT;
    2024   [ +  -  -  + ]:         704 :     } else if (chain().shutdownRequested()) {
    2025         [ #  # ]:           0 :         WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", block_height, progress_current);
    2026                 :           0 :         result.status = ScanResult::USER_ABORT;
    2027                 :             :     } else {
    2028   [ +  -  +  - ]:         704 :         WalletLogPrintf("Rescan completed in %15dms\n", Ticks<std::chrono::milliseconds>(reserver.now() - start_time));
    2029                 :             :     }
    2030                 :         706 :     return result;
    2031                 :         706 : }
    2032                 :             : 
    2033                 :        1683 : bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx,
    2034                 :             :                                          std::string& err_string,
    2035                 :             :                                          node::TxBroadcast broadcast_method) const
    2036                 :             : {
    2037                 :        1683 :     AssertLockHeld(cs_wallet);
    2038                 :             : 
    2039                 :             :     // Can't relay if wallet is not broadcasting
    2040         [ +  - ]:        1683 :     if (!GetBroadcastTransactions()) return false;
    2041                 :             :     // Don't relay abandoned transactions
    2042         [ +  + ]:        1683 :     if (wtx.isAbandoned()) return false;
    2043                 :             :     // Don't try to submit coinbase transactions. These would fail anyway but would
    2044                 :             :     // cause log spam.
    2045         [ +  - ]:        1683 :     if (wtx.IsCoinBase()) return false;
    2046                 :             :     // Don't try to submit conflicted or confirmed transactions.
    2047         [ +  - ]:        1683 :     if (GetTxDepthInMainChain(wtx) != 0) return false;
    2048                 :             : 
    2049                 :        1683 :     const char* what{""};
    2050   [ +  +  -  - ]:        1683 :     switch (broadcast_method) {
    2051                 :        1545 :     case node::TxBroadcast::MEMPOOL_AND_BROADCAST_TO_ALL:
    2052                 :        1545 :         what = "to mempool and for broadcast to peers";
    2053                 :        1545 :         break;
    2054                 :         138 :     case node::TxBroadcast::MEMPOOL_NO_BROADCAST:
    2055                 :         138 :         what = "to mempool without broadcast";
    2056                 :         138 :         break;
    2057                 :           0 :     case node::TxBroadcast::NO_MEMPOOL_PRIVATE_BROADCAST:
    2058                 :           0 :         what = "for private broadcast without adding to the mempool";
    2059                 :           0 :         break;
    2060                 :             :     }
    2061         [ +  - ]:        1683 :     WalletLogPrintf("Submitting wtx %s %s\n", wtx.GetHash().ToString(), what);
    2062                 :             :     // We must set TxStateInMempool here. Even though it will also be set later by the
    2063                 :             :     // entered-mempool callback, if we did not there would be a race where a
    2064                 :             :     // user could call sendmoney in a loop and hit spurious out of funds errors
    2065                 :             :     // because we think that this newly generated transaction's change is
    2066                 :             :     // unavailable as we're not yet aware that it is in the mempool.
    2067                 :             :     //
    2068                 :             :     // If broadcast fails for any reason, trying to set wtx.m_state here would be incorrect.
    2069                 :             :     // If transaction was previously in the mempool, it should be updated when
    2070                 :             :     // TransactionRemovedFromMempool fires.
    2071                 :        1683 :     bool ret = chain().broadcastTransaction(wtx.tx, m_default_max_tx_fee, broadcast_method, err_string);
    2072   [ +  +  +  + ]:        3277 :     if (ret) wtx.m_state = TxStateInMempool{};
    2073                 :             :     return ret;
    2074                 :             : }
    2075                 :             : 
    2076                 :        3181 : std::set<Txid> CWallet::GetTxConflicts(const CWalletTx& wtx) const
    2077                 :             : {
    2078                 :        3181 :     AssertLockHeld(cs_wallet);
    2079                 :             : 
    2080                 :        3181 :     const Txid myHash{wtx.GetHash()};
    2081                 :        3181 :     std::set<Txid> result{GetConflicts(myHash)};
    2082                 :        3181 :     result.erase(myHash);
    2083                 :        3181 :     return result;
    2084                 :             : }
    2085                 :             : 
    2086                 :          90 : bool CWallet::ShouldResend() const
    2087                 :             : {
    2088                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast
    2089         [ +  - ]:          90 :     if (!fBroadcastTransactions) return false;
    2090                 :             : 
    2091                 :             :     // During reindex, importing and IBD, old wallet transactions become
    2092                 :             :     // unconfirmed. Don't resend them as that would spam other nodes.
    2093                 :             :     // We only allow forcing mempool submission when not relaying to avoid this spam.
    2094         [ +  + ]:          90 :     if (!chain().isReadyToBroadcast()) return false;
    2095                 :             : 
    2096                 :             :     // Do this infrequently and randomly to avoid giving away
    2097                 :             :     // that these are our transactions.
    2098         [ +  + ]:          59 :     if (NodeClock::now() < m_next_resend) return false;
    2099                 :             : 
    2100                 :             :     return true;
    2101                 :             : }
    2102                 :             : 
    2103                 :        1097 : NodeClock::time_point CWallet::GetDefaultNextResend() { return FastRandomContext{}.rand_uniform_delay(NodeClock::now() + 12h, 24h); }
    2104                 :             : 
    2105                 :             : // Resubmit transactions from the wallet to the mempool, optionally asking the
    2106                 :             : // mempool to relay them. On startup, we will do this for all unconfirmed
    2107                 :             : // transactions but will not ask the mempool to relay them. We do this on startup
    2108                 :             : // to ensure that our own mempool is aware of our transactions. There
    2109                 :             : // is a privacy side effect here as not broadcasting on startup also means that we won't
    2110                 :             : // inform the world of our wallet's state, particularly if the wallet (or node) is not
    2111                 :             : // yet synced.
    2112                 :             : //
    2113                 :             : // Otherwise this function is called periodically in order to relay our unconfirmed txs.
    2114                 :             : // We do this on a random timer to slightly obfuscate which transactions
    2115                 :             : // come from our wallet.
    2116                 :             : //
    2117                 :             : // TODO: Ideally, we'd only resend transactions that we think should have been
    2118                 :             : // mined in the most recent block. Any transaction that wasn't in the top
    2119                 :             : // blockweight of transactions in the mempool shouldn't have been mined,
    2120                 :             : // and so is probably just sitting in the mempool waiting to be confirmed.
    2121                 :             : // Rebroadcasting does nothing to speed up confirmation and only damages
    2122                 :             : // privacy.
    2123                 :             : //
    2124                 :             : // The `force` option results in all unconfirmed transactions being submitted to
    2125                 :             : // the mempool. This does not necessarily result in those transactions being relayed,
    2126                 :             : // that depends on the `broadcast_method` option. Periodic rebroadcast uses the pattern
    2127                 :             : // broadcast_method=TxBroadcast::MEMPOOL_AND_BROADCAST_TO_ALL force=false, while loading into
    2128                 :             : // the mempool (on start, or after import) uses
    2129                 :             : // broadcast_method=TxBroadcast::MEMPOOL_NO_BROADCAST force=true.
    2130                 :        1547 : void CWallet::ResubmitWalletTransactions(node::TxBroadcast broadcast_method, bool force)
    2131                 :             : {
    2132                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast,
    2133                 :             :     // even if forcing.
    2134         [ +  + ]:        1547 :     if (!fBroadcastTransactions) return;
    2135                 :             : 
    2136                 :        1544 :     int submitted_tx_count = 0;
    2137                 :             : 
    2138                 :        1544 :     { // cs_wallet scope
    2139                 :        1544 :         LOCK(cs_wallet);
    2140                 :             : 
    2141                 :             :         // First filter for the transactions we want to rebroadcast.
    2142                 :             :         // We use a set with WalletTxOrderComparator so that rebroadcasting occurs in insertion order
    2143                 :        1544 :         std::set<CWalletTx*, WalletTxOrderComparator> to_submit;
    2144   [ +  +  +  + ]:       17690 :         for (auto& [txid, wtx] : mapWallet) {
    2145                 :             :             // Only rebroadcast unconfirmed txs
    2146         [ +  + ]:       16146 :             if (!wtx.isUnconfirmed()) continue;
    2147                 :             : 
    2148                 :             :             // Attempt to rebroadcast all txes more than 5 minutes older than
    2149                 :             :             // the last block, or all txs if forcing.
    2150   [ +  +  +  + ]:         145 :             if (!force && wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
    2151         [ +  - ]:         144 :             to_submit.insert(&wtx);
    2152                 :             :         }
    2153                 :             :         // Now try submitting the transactions to the memory pool and (optionally) relay them.
    2154         [ +  + ]:        1688 :         for (auto wtx : to_submit) {
    2155         [ +  - ]:         144 :             std::string unused_err_string;
    2156   [ +  -  +  + ]:         144 :             if (SubmitTxMemoryPoolAndRelay(*wtx, unused_err_string, broadcast_method)) ++submitted_tx_count;
    2157                 :         144 :         }
    2158         [ +  - ]:        1544 :     } // cs_wallet
    2159                 :             : 
    2160         [ +  + ]:        1544 :     if (submitted_tx_count > 0) {
    2161                 :          61 :         WalletLogPrintf("%s: resubmit %u unconfirmed transactions\n", __func__, submitted_tx_count);
    2162                 :             :     }
    2163                 :             : }
    2164                 :             : 
    2165                 :             : /** @} */ // end of mapWallet
    2166                 :             : 
    2167                 :          73 : void MaybeResendWalletTxs(WalletContext& context)
    2168                 :             : {
    2169         [ +  + ]:         163 :     for (const std::shared_ptr<CWallet>& pwallet : GetWallets(context)) {
    2170   [ +  -  +  + ]:          90 :         if (!pwallet->ShouldResend()) continue;
    2171         [ +  - ]:           4 :         pwallet->ResubmitWalletTransactions(node::TxBroadcast::MEMPOOL_AND_BROADCAST_TO_ALL, /*force=*/false);
    2172         [ +  - ]:          90 :         pwallet->SetNextResend();
    2173                 :             :     }
    2174                 :          73 : }
    2175                 :             : 
    2176                 :             : 
    2177                 :        2598 : bool CWallet::SignTransaction(CMutableTransaction& tx) const
    2178                 :             : {
    2179                 :        2598 :     AssertLockHeld(cs_wallet);
    2180                 :             : 
    2181                 :             :     // Build coins map
    2182                 :        2598 :     std::map<COutPoint, Coin> coins;
    2183         [ +  + ]:       11491 :     for (auto& input : tx.vin) {
    2184                 :        8893 :         const auto mi = mapWallet.find(input.prevout.hash);
    2185   [ +  -  -  +  :       11491 :         if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
                   +  - ]
    2186                 :             :             return false;
    2187                 :             :         }
    2188         [ +  + ]:        8893 :         const CWalletTx& wtx = mi->second;
    2189         [ +  + ]:        8893 :         int prev_height = wtx.state<TxStateConfirmed>() ? wtx.state<TxStateConfirmed>()->confirmed_block_height : 0;
    2190         [ +  - ]:        8893 :         coins[input.prevout] = Coin(wtx.tx->vout[input.prevout.n], prev_height, wtx.IsCoinBase());
    2191                 :             :     }
    2192         [ +  - ]:        2598 :     std::map<int, bilingual_str> input_errors;
    2193         [ +  - ]:        2598 :     return SignTransaction(tx, coins, SIGHASH_DEFAULT, input_errors);
    2194                 :        5196 : }
    2195                 :             : 
    2196                 :        2903 : bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const
    2197                 :             : {
    2198                 :             :     // Try to sign with all ScriptPubKeyMans
    2199         [ +  + ]:       16473 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
    2200                 :             :         // spk_man->SignTransaction will return true if the transaction is complete,
    2201                 :             :         // so we can exit early and return true if that happens
    2202   [ +  -  +  + ]:       16463 :         if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
    2203                 :        2893 :             return true;
    2204                 :             :         }
    2205                 :             :     }
    2206                 :             : 
    2207                 :             :     // At this point, one input was not fully signed otherwise we would have exited already
    2208                 :          10 :     return false;
    2209                 :             : }
    2210                 :             : 
    2211                 :        1292 : std::optional<PSBTError> CWallet::FillPSBT(PartiallySignedTransaction& psbtx, const common::PSBTFillOptions& options, bool& complete, size_t* n_signed) const
    2212                 :             : {
    2213         [ -  + ]:        1292 :     if (n_signed) {
    2214                 :           0 :         *n_signed = 0;
    2215                 :             :     }
    2216                 :        1292 :     LOCK(cs_wallet);
    2217                 :             :     // Get all of the previous transactions
    2218         [ +  + ]:        5146 :     for (PSBTInput& input : psbtx.inputs) {
    2219   [ +  -  +  + ]:        3854 :         if (PSBTInputSigned(input)) {
    2220                 :          18 :             continue;
    2221                 :             :         }
    2222                 :             : 
    2223                 :             :         // If we have no utxo, grab it from the wallet.
    2224         [ +  + ]:        3836 :         if (!input.non_witness_utxo) {
    2225                 :        2382 :             const Txid& txhash = input.prev_txid;
    2226                 :        2382 :             const auto it = mapWallet.find(txhash);
    2227         [ +  + ]:        5920 :             if (it != mapWallet.end()) {
    2228                 :        2066 :                 const CWalletTx& wtx = it->second;
    2229                 :             :                 // We only need the non_witness_utxo, which is a superset of the witness_utxo.
    2230                 :             :                 //   The signing code will switch to the smaller witness_utxo if this is ok.
    2231                 :        2066 :                 input.non_witness_utxo = wtx.tx;
    2232                 :             :             }
    2233                 :             :         }
    2234                 :             :     }
    2235                 :             : 
    2236         [ +  - ]:        1292 :     std::optional<PrecomputedTransactionData> txdata_res = PrecomputePSBTData(psbtx);
    2237         [ -  + ]:        1292 :     if (!txdata_res) {
    2238                 :           0 :         return PSBTError::INVALID_TX;
    2239                 :             :     }
    2240         [ +  - ]:        1292 :     const PrecomputedTransactionData& txdata = *txdata_res;
    2241                 :             : 
    2242                 :             :     // Fill in information from ScriptPubKeyMans
    2243   [ +  -  +  + ]:       10955 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
    2244                 :        9672 :         int n_signed_this_spkm = 0;
    2245         [ +  - ]:        9672 :         const auto error{spk_man->FillPSBT(psbtx, txdata, options, &n_signed_this_spkm)};
    2246         [ +  + ]:        9672 :         if (error) {
    2247                 :           9 :             return error;
    2248                 :             :         }
    2249                 :             : 
    2250         [ -  + ]:        9663 :         if (n_signed) {
    2251                 :           0 :             (*n_signed) += n_signed_this_spkm;
    2252                 :             :         }
    2253                 :           9 :     }
    2254                 :             : 
    2255         [ +  - ]:        1283 :     RemoveUnnecessaryTransactions(psbtx);
    2256                 :             : 
    2257                 :             :     // Complete if every input is now signed
    2258                 :        1283 :     complete = true;
    2259   [ -  +  +  + ]:        5127 :     for (size_t i = 0; i < psbtx.inputs.size(); ++i) {
    2260         [ +  - ]:        3844 :         complete &= PSBTInputSignedAndVerified(psbtx, i, &txdata);
    2261                 :             :     }
    2262                 :             : 
    2263                 :        1283 :     return {};
    2264         [ +  - ]:        2584 : }
    2265                 :             : 
    2266                 :           9 : SigningResult CWallet::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
    2267                 :             : {
    2268                 :           9 :     SignatureData sigdata;
    2269         [ +  - ]:           9 :     CScript script_pub_key = GetScriptForDestination(pkhash);
    2270         [ +  - ]:          71 :     for (const auto& spk_man_pair : m_spk_managers) {
    2271   [ +  -  +  + ]:          71 :         if (spk_man_pair.second->CanProvide(script_pub_key, sigdata)) {
    2272         [ +  - ]:           9 :             LOCK(cs_wallet);  // DescriptorScriptPubKeyMan calls IsLocked which can lock cs_wallet in a deadlocking order
    2273   [ +  -  +  - ]:           9 :             return spk_man_pair.second->SignMessage(message, pkhash, str_sig);
    2274                 :           9 :         }
    2275                 :             :     }
    2276                 :             :     return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
    2277                 :           9 : }
    2278                 :             : 
    2279                 :        3667 : OutputType CWallet::TransactionChangeType(const std::optional<OutputType>& change_type, const std::vector<CRecipient>& vecSend) const
    2280                 :             : {
    2281                 :             :     // If -changetype is specified, always use that change type.
    2282         [ +  + ]:        3667 :     if (change_type) {
    2283                 :         263 :         return *change_type;
    2284                 :             :     }
    2285                 :             : 
    2286                 :             :     // if m_default_address_type is legacy, use legacy address as change.
    2287         [ +  + ]:        3404 :     if (m_default_address_type == OutputType::LEGACY) {
    2288                 :             :         return OutputType::LEGACY;
    2289                 :             :     }
    2290                 :             : 
    2291                 :        3378 :     bool any_tr{false};
    2292                 :        3378 :     bool any_wpkh{false};
    2293                 :        3378 :     bool any_sh{false};
    2294                 :        3378 :     bool any_pkh{false};
    2295                 :             : 
    2296         [ +  + ]:       42483 :     for (const auto& recipient : vecSend) {
    2297         [ +  - ]:       39105 :         if (std::get_if<WitnessV1Taproot>(&recipient.dest)) {
    2298                 :             :             any_tr = true;
    2299         [ +  - ]:       38770 :         } else if (std::get_if<WitnessV0KeyHash>(&recipient.dest)) {
    2300                 :             :             any_wpkh = true;
    2301         [ +  - ]:       46253 :         } else if (std::get_if<ScriptHash>(&recipient.dest)) {
    2302                 :             :             any_sh = true;
    2303         [ +  - ]:       45178 :         } else if (std::get_if<PKHash>(&recipient.dest)) {
    2304                 :        5941 :             any_pkh = true;
    2305                 :             :         }
    2306                 :             :     }
    2307                 :             : 
    2308                 :        3378 :     const bool has_bech32m_spkman(GetScriptPubKeyMan(OutputType::BECH32M, /*internal=*/true));
    2309         [ +  + ]:        3378 :     if (has_bech32m_spkman && any_tr) {
    2310                 :             :         // Currently tr is the only type supported by the BECH32M spkman
    2311                 :             :         return OutputType::BECH32M;
    2312                 :             :     }
    2313                 :        3047 :     const bool has_bech32_spkman(GetScriptPubKeyMan(OutputType::BECH32, /*internal=*/true));
    2314         [ +  + ]:        3047 :     if (has_bech32_spkman && any_wpkh) {
    2315                 :             :         // Currently wpkh is the only type supported by the BECH32 spkman
    2316                 :             :         return OutputType::BECH32;
    2317                 :             :     }
    2318                 :         372 :     const bool has_p2sh_segwit_spkman(GetScriptPubKeyMan(OutputType::P2SH_SEGWIT, /*internal=*/true));
    2319         [ +  + ]:         372 :     if (has_p2sh_segwit_spkman && any_sh) {
    2320                 :             :         // Currently sh_wpkh is the only type supported by the P2SH_SEGWIT spkman
    2321                 :             :         // As of 2021 about 80% of all SH are wrapping WPKH, so use that
    2322                 :             :         return OutputType::P2SH_SEGWIT;
    2323                 :             :     }
    2324                 :         317 :     const bool has_legacy_spkman(GetScriptPubKeyMan(OutputType::LEGACY, /*internal=*/true));
    2325         [ +  + ]:         317 :     if (has_legacy_spkman && any_pkh) {
    2326                 :             :         // Currently pkh is the only type supported by the LEGACY spkman
    2327                 :             :         return OutputType::LEGACY;
    2328                 :             :     }
    2329                 :             : 
    2330         [ +  + ]:         270 :     if (has_bech32m_spkman) {
    2331                 :             :         return OutputType::BECH32M;
    2332                 :             :     }
    2333         [ +  + ]:          32 :     if (has_bech32_spkman) {
    2334                 :             :         return OutputType::BECH32;
    2335                 :             :     }
    2336                 :             :     // else use m_default_address_type for change
    2337                 :          18 :     return m_default_address_type;
    2338                 :             : }
    2339                 :             : 
    2340                 :        1546 : void CWallet::CommitTransaction(
    2341                 :             :     CTransactionRef tx,
    2342                 :             :     std::optional<Txid> replaces_txid,
    2343                 :             :     std::optional<std::string> comment,
    2344                 :             :     std::optional<std::string> comment_to,
    2345                 :             :     const std::vector<std::string>& messages,
    2346                 :             :     const std::vector<std::string>& payment_requests
    2347                 :             : )
    2348                 :             : {
    2349                 :        1546 :     LOCK(cs_wallet);
    2350   [ +  -  +  -  :        3092 :     WalletLogPrintf("CommitTransaction:\n%s\n", util::RemoveSuffixView(tx->ToString(), "\n"));
                   +  - ]
    2351                 :             : 
    2352                 :             :     // Add tx to wallet, because if it has change it's also ours,
    2353                 :             :     // otherwise just for transaction history.
    2354   [ +  -  +  -  :        4638 :     CWalletTx* wtx = AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
             +  -  +  - ]
    2355         [ +  + ]:        1546 :         if (replaces_txid) wtx.m_replaces_txid = replaces_txid;
    2356         [ +  + ]:        1546 :         if (comment) wtx.m_comment = comment;
    2357         [ +  + ]:        1546 :         if (comment_to) wtx.m_comment_to = comment_to;
    2358         [ -  + ]:        1546 :         if (!messages.empty()) wtx.m_messages = messages;
    2359         [ -  + ]:        1546 :         if (!payment_requests.empty()) wtx.m_payment_requests = payment_requests;
    2360                 :        1546 :         return true;
    2361                 :             :     });
    2362                 :             : 
    2363                 :             :     // wtx can only be null if the db write failed.
    2364         [ -  + ]:        1546 :     if (!wtx) {
    2365   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": Wallet db error, transaction commit failed");
    2366                 :             :     }
    2367                 :             : 
    2368                 :             :     // Notify that old coins are spent
    2369         [ +  + ]:        5480 :     for (const CTxIn& txin : tx->vin) {
    2370         [ +  - ]:        3934 :         CWalletTx &coin = mapWallet.at(txin.prevout.hash);
    2371                 :        3934 :         coin.MarkDirty();
    2372         [ +  - ]:        3934 :         NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
    2373                 :             :     }
    2374                 :             : 
    2375         [ +  + ]:        1546 :     if (!fBroadcastTransactions) {
    2376                 :             :         // Don't submit tx to the mempool
    2377         [ +  - ]:           7 :         return;
    2378                 :             :     }
    2379                 :             : 
    2380         [ +  - ]:        1539 :     std::string err_string;
    2381   [ +  -  +  + ]:        1539 :     if (!SubmitTxMemoryPoolAndRelay(*wtx, err_string, node::TxBroadcast::MEMPOOL_AND_BROADCAST_TO_ALL)) {
    2382         [ +  - ]:           4 :         WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
    2383                 :             :         // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
    2384                 :             :     }
    2385         [ +  - ]:        3085 : }
    2386                 :             : 
    2387                 :         379 : DBErrors CWallet::PopulateWalletFromDB(bilingual_str& error, std::vector<bilingual_str>& warnings)
    2388                 :             : {
    2389                 :         379 :     LOCK(cs_wallet);
    2390                 :             : 
    2391         [ -  + ]:         379 :     Assert(m_spk_managers.empty());
    2392         [ -  + ]:         379 :     Assert(m_wallet_flags == 0);
    2393   [ +  -  +  - ]:         379 :     DBErrors nLoadWalletRet = WalletBatch(GetDatabase()).LoadWallet(this);
    2394                 :             : 
    2395         [ +  + ]:         379 :     if (m_spk_managers.empty()) {
    2396         [ -  + ]:          23 :         assert(m_external_spk_managers.empty());
    2397         [ -  + ]:          23 :         assert(m_internal_spk_managers.empty());
    2398                 :             :     }
    2399                 :             : 
    2400         [ +  - ]:         379 :     const auto wallet_file = m_database->Filename();
    2401   [ +  -  +  -  :         379 :     switch (nLoadWalletRet) {
          -  +  +  -  -  
                      + ]
    2402                 :             :     case DBErrors::LOAD_OK:
    2403                 :             :         break;
    2404                 :           1 :     case DBErrors::NONCRITICAL_ERROR:
    2405         [ +  - ]:           2 :         warnings.push_back(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
    2406                 :             :                                        " or address metadata may be missing or incorrect."),
    2407                 :             :             wallet_file));
    2408                 :           1 :         break;
    2409                 :           0 :     case DBErrors::NEED_RESCAN:
    2410         [ #  # ]:           0 :         warnings.push_back(strprintf(_("Error reading %s! Transaction data may be missing or incorrect."
    2411                 :             :                                        " Rescanning wallet."), wallet_file));
    2412                 :           0 :         break;
    2413                 :           2 :     case DBErrors::CORRUPT:
    2414         [ +  - ]:           2 :         error = strprintf(_("Error loading %s: Wallet corrupted"), wallet_file);
    2415                 :           2 :         break;
    2416                 :           0 :     case DBErrors::TOO_NEW:
    2417         [ #  # ]:           0 :         error = strprintf(_("Error loading %s: Wallet requires newer version of %s"), wallet_file, CLIENT_NAME);
    2418                 :           0 :         break;
    2419                 :           0 :     case DBErrors::EXTERNAL_SIGNER_SUPPORT_REQUIRED:
    2420         [ #  # ]:           0 :         error = strprintf(_("Error loading %s: External signer wallet being loaded without external signer support compiled"), wallet_file);
    2421                 :           0 :         break;
    2422                 :           1 :     case DBErrors::UNKNOWN_DESCRIPTOR:
    2423         [ +  - ]:           1 :         error = strprintf(_("Unrecognized descriptor found. Loading wallet %s\n\n"
    2424                 :             :                             "The wallet might have been created on a newer version.\n"
    2425                 :           1 :                             "Please try running the latest software version.\n"), wallet_file);
    2426                 :           1 :         break;
    2427                 :           1 :     case DBErrors::UNEXPECTED_LEGACY_ENTRY:
    2428         [ +  - ]:           1 :         error = strprintf(_("Unexpected legacy entry in descriptor wallet found. Loading wallet %s\n\n"
    2429                 :           1 :                             "The wallet might have been tampered with or created with malicious intent.\n"), wallet_file);
    2430                 :           1 :         break;
    2431                 :           0 :     case DBErrors::LEGACY_WALLET:
    2432         [ #  # ]:           0 :         error = strprintf(_("Error loading %s: Wallet is a legacy wallet. Please migrate to a descriptor wallet using the migration tool (migratewallet RPC)."), wallet_file);
    2433                 :           0 :         break;
    2434                 :           0 :     case DBErrors::LOAD_FAIL:
    2435         [ #  # ]:           0 :         error = strprintf(_("Error loading %s"), wallet_file);
    2436                 :           0 :         break;
    2437                 :             :     } // no default case, so the compiler can warn about missing cases
    2438                 :         379 :     return nLoadWalletRet;
    2439         [ +  - ]:         758 : }
    2440                 :             : 
    2441                 :           5 : util::Result<void> CWallet::RemoveTxs(std::vector<Txid>& txs_to_remove)
    2442                 :             : {
    2443                 :           5 :     AssertLockHeld(cs_wallet);
    2444         [ +  - ]:           5 :     bilingual_str str_err;  // future: make RunWithinTxn return a util::Result
    2445   [ +  -  +  - ]:           5 :     bool was_txn_committed = RunWithinTxn(GetDatabase(), /*process_desc=*/"remove transactions", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    2446                 :           5 :         util::Result<void> result{RemoveTxs(batch, txs_to_remove)};
    2447   [ +  +  +  - ]:           6 :         if (!result) str_err = util::ErrorString(result);
    2448                 :           5 :         return result.has_value();
    2449                 :           5 :     });
    2450   [ +  +  +  - ]:           7 :     if (!str_err.empty()) return util::Error{str_err};
    2451   [ -  +  -  - ]:           4 :     if (!was_txn_committed) return util::Error{_("Error starting/committing db txn for wallet transactions removal process")};
    2452                 :           4 :     return {}; // all good
    2453                 :           5 : }
    2454                 :             : 
    2455                 :          11 : util::Result<void> CWallet::RemoveTxs(WalletBatch& batch, std::vector<Txid>& txs_to_remove)
    2456                 :             : {
    2457                 :          11 :     AssertLockHeld(cs_wallet);
    2458         [ -  + ]:          11 :     if (!batch.HasActiveTxn()) return util::Error{strprintf(_("The transactions removal process can only be executed within a db txn"))};
    2459                 :             : 
    2460                 :             :     // Check for transaction existence and remove entries from disk
    2461                 :          11 :     std::vector<decltype(mapWallet)::const_iterator> erased_txs;
    2462                 :          11 :     bilingual_str str_err;
    2463         [ +  + ]:          26 :     for (const Txid& hash : txs_to_remove) {
    2464                 :          16 :         auto it_wtx = mapWallet.find(hash);
    2465         [ +  + ]:          16 :         if (it_wtx == mapWallet.end()) {
    2466   [ +  -  +  - ]:           3 :             return util::Error{strprintf(_("Transaction %s does not belong to this wallet"), hash.GetHex())};
    2467                 :             :         }
    2468   [ +  -  -  + ]:          15 :         if (!batch.EraseTx(hash)) {
    2469   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Failure removing transaction: %s"), hash.GetHex())};
    2470                 :             :         }
    2471         [ +  - ]:          15 :         erased_txs.emplace_back(it_wtx);
    2472                 :             :     }
    2473                 :             : 
    2474                 :             :     // Register callback to update the memory state only when the db txn is actually dumped to disk
    2475   [ +  -  +  -  :          60 :     batch.RegisterTxnListener({.on_commit=[&, erased_txs]() EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
                   +  - ]
    2476                 :             :         // Update the in-memory state and notify upper layers about the removals
    2477         [ +  + ]:          25 :         for (const auto& it : erased_txs) {
    2478                 :          15 :             const Txid hash{it->first};
    2479                 :          15 :             wtxOrdered.erase(it->second.m_it_wtxOrdered);
    2480         [ +  + ]:          30 :             for (const auto& txin : it->second.tx->vin) {
    2481                 :          15 :                 auto range = mapTxSpends.equal_range(txin.prevout);
    2482         [ +  - ]:          31 :                 for (auto iter = range.first; iter != range.second; ++iter) {
    2483         [ +  + ]:          16 :                     if (iter->second == hash) {
    2484                 :          15 :                         mapTxSpends.erase(iter);
    2485                 :          15 :                         break;
    2486                 :             :                     }
    2487                 :             :                 }
    2488                 :             :             }
    2489   [ -  +  +  + ]:          42 :             for (unsigned int i = 0; i < it->second.tx->vout.size(); ++i) {
    2490                 :          27 :                 m_txos.erase(COutPoint(hash, i));
    2491                 :             :             }
    2492                 :          15 :             mapWallet.erase(it);
    2493                 :          15 :             NotifyTransactionChanged(hash, CT_DELETED);
    2494                 :             :         }
    2495                 :             : 
    2496                 :          10 :         MarkDirty();
    2497                 :          10 :     }, .on_abort={}});
    2498                 :             : 
    2499                 :          10 :     return {};
    2500   [ +  -  +  - ]:          21 : }
    2501                 :             : 
    2502                 :       28054 : bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& new_purpose)
    2503                 :             : {
    2504                 :       28054 :     bool fUpdated = false;
    2505                 :       28054 :     bool is_mine;
    2506                 :       28054 :     std::optional<AddressPurpose> purpose;
    2507                 :       28054 :     {
    2508                 :       28054 :         LOCK(cs_wallet);
    2509                 :       28054 :         std::map<CTxDestination, CAddressBookData>::iterator mi = m_address_book.find(address);
    2510   [ +  +  -  + ]:       28054 :         fUpdated = mi != m_address_book.end() && !mi->second.IsChange();
    2511                 :             : 
    2512   [ +  +  +  - ]:       28054 :         CAddressBookData& record = mi != m_address_book.end() ? mi->second : m_address_book[address];
    2513         [ -  + ]:       56108 :         record.SetLabel(strName);
    2514         [ +  - ]:       28054 :         is_mine = IsMine(address);
    2515         [ +  - ]:       28054 :         if (new_purpose) { /* update purpose only if requested */
    2516                 :       28054 :             record.purpose = new_purpose;
    2517                 :             :         }
    2518         [ +  - ]:       28054 :         purpose = record.purpose;
    2519                 :           0 :     }
    2520                 :             : 
    2521                 :       28054 :     const std::string& encoded_dest = EncodeDestination(address);
    2522   [ +  -  +  -  :       56108 :     if (new_purpose && !batch.WritePurpose(encoded_dest, PurposeToString(*new_purpose))) {
          +  -  -  +  -  
                      + ]
    2523         [ #  # ]:           0 :         WalletLogPrintf("Error: fail to write address book 'purpose' entry\n");
    2524                 :             :         return false;
    2525                 :             :     }
    2526   [ +  -  -  + ]:       28054 :     if (!batch.WriteName(encoded_dest, strName)) {
    2527         [ #  # ]:           0 :         WalletLogPrintf("Error: fail to write address book 'name' entry\n");
    2528                 :             :         return false;
    2529                 :             :     }
    2530                 :             : 
    2531                 :             :     // In very old wallets, address purpose may not be recorded so we derive it from IsMine
    2532                 :       56108 :     NotifyAddressBookChanged(address, strName, is_mine,
    2533   [ +  -  +  - ]:       56108 :                              purpose.value_or(is_mine ? AddressPurpose::RECEIVE : AddressPurpose::SEND),
    2534   [ +  +  +  + ]:       56081 :                              (fUpdated ? CT_UPDATED : CT_NEW));
    2535                 :             :     return true;
    2536                 :       28054 : }
    2537                 :             : 
    2538                 :       28054 : bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& purpose)
    2539                 :             : {
    2540                 :       28054 :     WalletBatch batch(GetDatabase());
    2541         [ +  - ]:       28054 :     return SetAddressBookWithDB(batch, address, strName, purpose);
    2542                 :       28054 : }
    2543                 :             : 
    2544                 :           0 : bool CWallet::DelAddressBook(const CTxDestination& address)
    2545                 :             : {
    2546         [ #  # ]:           0 :     return RunWithinTxn(GetDatabase(), /*process_desc=*/"address book entry removal", [&](WalletBatch& batch){
    2547                 :           0 :         return DelAddressBookWithDB(batch, address);
    2548                 :           0 :     });
    2549                 :             : }
    2550                 :             : 
    2551                 :          28 : bool CWallet::DelAddressBookWithDB(WalletBatch& batch, const CTxDestination& address)
    2552                 :             : {
    2553                 :          28 :     const std::string& dest = EncodeDestination(address);
    2554                 :          28 :     {
    2555         [ +  - ]:          28 :         LOCK(cs_wallet);
    2556                 :             :         // 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.
    2557                 :             :         // NOTE: This isn't a problem for sending addresses because they don't have any data that needs to be kept.
    2558                 :             :         // When adding new address data, it should be considered here whether to retain or delete it.
    2559   [ +  -  -  + ]:          28 :         if (IsMine(address)) {
    2560         [ #  # ]:           0 :             WalletLogPrintf("%s called with IsMine address, NOT SUPPORTED. Please report this bug! %s\n", __func__, CLIENT_BUGREPORT);
    2561                 :             :             return false;
    2562                 :             :         }
    2563                 :             :         // Delete data rows associated with this address
    2564   [ +  -  -  + ]:          28 :         if (!batch.EraseAddressData(address)) {
    2565         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry data\n");
    2566                 :             :             return false;
    2567                 :             :         }
    2568                 :             : 
    2569                 :             :         // Delete purpose entry
    2570   [ +  -  -  + ]:          28 :         if (!batch.ErasePurpose(dest)) {
    2571         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry purpose\n");
    2572                 :             :             return false;
    2573                 :             :         }
    2574                 :             : 
    2575                 :             :         // Delete name entry
    2576   [ +  -  -  + ]:          28 :         if (!batch.EraseName(dest)) {
    2577         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry name\n");
    2578                 :             :             return false;
    2579                 :             :         }
    2580                 :             : 
    2581                 :             :         // finally, remove it from the map
    2582         [ +  - ]:          28 :         m_address_book.erase(address);
    2583                 :           0 :     }
    2584                 :             : 
    2585                 :             :     // All good, signal changes
    2586         [ +  - ]:          28 :     NotifyAddressBookChanged(address, "", /*is_mine=*/false, AddressPurpose::SEND, CT_DELETED);
    2587                 :             :     return true;
    2588                 :          28 : }
    2589                 :             : 
    2590                 :         428 : size_t CWallet::KeypoolCountExternalKeys() const
    2591                 :             : {
    2592                 :         428 :     AssertLockHeld(cs_wallet);
    2593                 :             : 
    2594                 :         428 :     unsigned int count = 0;
    2595         [ +  + ]:        1779 :     for (auto spk_man : m_external_spk_managers) {
    2596                 :        1351 :         count += spk_man.second->GetKeyPoolSize();
    2597                 :             :     }
    2598                 :             : 
    2599                 :         428 :     return count;
    2600                 :             : }
    2601                 :             : 
    2602                 :        1404 : unsigned int CWallet::GetKeyPoolSize() const
    2603                 :             : {
    2604                 :        1404 :     AssertLockHeld(cs_wallet);
    2605                 :             : 
    2606                 :        1404 :     unsigned int count = 0;
    2607         [ +  + ]:        9570 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2608         [ +  - ]:        8166 :         count += spk_man->GetKeyPoolSize();
    2609                 :             :     }
    2610                 :        1404 :     return count;
    2611                 :             : }
    2612                 :             : 
    2613                 :        1065 : bool CWallet::TopUpKeyPool(unsigned int kpSize)
    2614                 :             : {
    2615                 :        1065 :     LOCK(cs_wallet);
    2616                 :        1065 :     bool res = true;
    2617   [ +  -  +  + ]:        6925 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2618         [ +  - ]:        5860 :         res &= spk_man->TopUp(kpSize);
    2619                 :             :     }
    2620         [ +  - ]:        1065 :     return res;
    2621                 :        1065 : }
    2622                 :             : 
    2623                 :       17176 : util::Result<CTxDestination> CWallet::GetNewDestination(const OutputType type, const std::string& label)
    2624                 :             : {
    2625                 :       17176 :     LOCK(cs_wallet);
    2626         [ +  - ]:       17176 :     auto spk_man = GetScriptPubKeyMan(type, /*internal=*/false);
    2627         [ +  + ]:       17176 :     if (!spk_man) {
    2628   [ +  -  +  - ]:           6 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
    2629                 :             :     }
    2630                 :             : 
    2631         [ +  - ]:       17174 :     auto op_dest = spk_man->GetNewDestination(type);
    2632         [ +  + ]:       17174 :     if (op_dest) {
    2633         [ +  - ]:       17169 :         SetAddressBook(*op_dest, label, AddressPurpose::RECEIVE);
    2634                 :             :     }
    2635                 :             : 
    2636                 :       17174 :     return op_dest;
    2637                 :       34350 : }
    2638                 :             : 
    2639                 :         335 : util::Result<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type)
    2640                 :             : {
    2641                 :         335 :     LOCK(cs_wallet);
    2642                 :             : 
    2643         [ +  - ]:         335 :     ReserveDestination reservedest(this, type);
    2644         [ +  - ]:         335 :     auto op_dest = reservedest.GetReservedDestination(true);
    2645   [ +  +  +  - ]:         335 :     if (op_dest) reservedest.KeepDestination();
    2646                 :             : 
    2647                 :         335 :     return op_dest;
    2648         [ +  - ]:         670 : }
    2649                 :             : 
    2650                 :         865 : void CWallet::MarkDestinationsDirty(const std::set<CTxDestination>& destinations) {
    2651   [ +  +  +  + ]:      256064 :     for (auto& entry : mapWallet) {
    2652                 :      255199 :         CWalletTx& wtx = entry.second;
    2653         [ +  + ]:      255199 :         if (wtx.m_is_cache_empty) continue;
    2654   [ -  +  +  + ]:         114 :         for (unsigned int i = 0; i < wtx.tx->vout.size(); i++) {
    2655                 :          75 :             CTxDestination dst;
    2656   [ +  -  +  +  :          75 :             if (ExtractDestination(wtx.tx->vout[i].scriptPubKey, dst) && destinations.contains(dst)) {
                   +  + ]
    2657                 :           2 :                 wtx.MarkDirty();
    2658                 :           2 :                 break;
    2659                 :             :             }
    2660                 :          75 :         }
    2661                 :             :     }
    2662                 :         865 : }
    2663                 :             : 
    2664                 :         132 : void CWallet::ForEachAddrBookEntry(const ListAddrBookFunc& func) const
    2665                 :             : {
    2666                 :         132 :     AssertLockHeld(cs_wallet);
    2667         [ +  + ]:        1485 :     for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book) {
    2668                 :        1353 :         const auto& entry = item.second;
    2669         [ +  - ]:        2706 :         func(item.first, entry.GetLabel(), entry.IsChange(), entry.purpose);
    2670                 :             :     }
    2671                 :         132 : }
    2672                 :             : 
    2673                 :          24 : std::vector<CTxDestination> CWallet::ListAddrBookAddresses(const std::optional<AddrBookFilter>& _filter) const
    2674                 :             : {
    2675                 :          24 :     AssertLockHeld(cs_wallet);
    2676                 :          24 :     std::vector<CTxDestination> result;
    2677   [ +  -  +  - ]:          24 :     AddrBookFilter filter = _filter ? *_filter : AddrBookFilter();
    2678         [ +  - ]:          24 :     ForEachAddrBookEntry([&result, &filter](const CTxDestination& dest, const std::string& label, bool is_change, const std::optional<AddressPurpose>& purpose) {
    2679                 :             :         // Filter by change
    2680   [ +  -  +  - ]:         200 :         if (filter.ignore_change && is_change) return;
    2681                 :             :         // Filter by label
    2682   [ +  -  +  + ]:         200 :         if (filter.m_op_label && *filter.m_op_label != label) return;
    2683                 :             :         // All good
    2684                 :          43 :         result.emplace_back(dest);
    2685                 :             :     });
    2686                 :          24 :     return result;
    2687                 :          24 : }
    2688                 :             : 
    2689                 :          42 : std::set<std::string> CWallet::ListAddrBookLabels(const std::optional<AddressPurpose> purpose) const
    2690                 :             : {
    2691                 :          42 :     AssertLockHeld(cs_wallet);
    2692         [ +  - ]:          42 :     std::set<std::string> label_set;
    2693         [ +  - ]:          42 :     ForEachAddrBookEntry([&](const CTxDestination& _dest, const std::string& _label,
    2694                 :             :                              bool _is_change, const std::optional<AddressPurpose>& _purpose) {
    2695         [ +  - ]:         497 :         if (_is_change) return;
    2696   [ +  +  +  - ]:         497 :         if (!purpose || purpose == _purpose) {
    2697                 :         482 :             label_set.insert(_label);
    2698                 :             :         }
    2699                 :             :     });
    2700                 :          42 :     return label_set;
    2701                 :           0 : }
    2702                 :             : 
    2703                 :        2180 : util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool internal)
    2704                 :             : {
    2705                 :        2180 :     m_spk_man = pwallet->GetScriptPubKeyMan(type, internal);
    2706         [ +  + ]:        2180 :     if (!m_spk_man) {
    2707                 :          24 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
    2708                 :             :     }
    2709                 :             : 
    2710         [ +  - ]:        2168 :     if (nIndex == -1) {
    2711                 :        2168 :         int64_t index;
    2712                 :        2168 :         auto op_address = m_spk_man->GetReservedDestination(type, internal, index);
    2713         [ +  + ]:        2168 :         if (!op_address) return op_address;
    2714                 :        2164 :         nIndex = index;
    2715         [ +  - ]:        4328 :         address = *op_address;
    2716                 :        2168 :     }
    2717                 :        2164 :     return address;
    2718                 :             : }
    2719                 :             : 
    2720                 :        3886 : void ReserveDestination::KeepDestination()
    2721                 :             : {
    2722         [ +  + ]:        3886 :     if (nIndex != -1) {
    2723                 :        2059 :         m_spk_man->KeepDestination(nIndex, type);
    2724                 :             :     }
    2725                 :        3886 :     nIndex = -1;
    2726                 :        3886 :     address = CNoDestination();
    2727                 :        3886 : }
    2728                 :             : 
    2729                 :        4002 : void ReserveDestination::ReturnDestination()
    2730                 :             : {
    2731         [ +  + ]:        4002 :     if (nIndex != -1) {
    2732                 :         105 :         m_spk_man->ReturnDestination(nIndex, fInternal, address);
    2733                 :             :     }
    2734                 :        4002 :     nIndex = -1;
    2735                 :        4002 :     address = CNoDestination();
    2736                 :        4002 : }
    2737                 :             : 
    2738                 :           5 : util::Result<void> CWallet::DisplayAddress(const CTxDestination& dest)
    2739                 :             : {
    2740                 :           5 :     CScript scriptPubKey = GetScriptForDestination(dest);
    2741   [ +  -  +  - ]:           5 :     for (const auto& spk_man : GetScriptPubKeyMans(scriptPubKey)) {
    2742         [ +  - ]:           5 :         auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan *>(spk_man);
    2743         [ -  + ]:           5 :         if (signer_spk_man == nullptr) {
    2744                 :           0 :             continue;
    2745                 :             :         }
    2746         [ +  + ]:           5 :         auto signer{ExternalSignerScriptPubKeyMan::GetExternalSigner()};
    2747   [ -  +  -  -  :           4 :         if (!signer) throw std::runtime_error(util::ErrorString(signer).original);
                   -  - ]
    2748         [ +  - ]:           4 :         return signer_spk_man->DisplayAddress(dest, *signer);
    2749                 :           5 :     }
    2750         [ #  # ]:           0 :     return util::Error{_("There is no ScriptPubKeyManager for this address")};
    2751                 :           4 : }
    2752                 :             : 
    2753                 :          86 : void CWallet::LoadLockedCoin(const COutPoint& coin, bool persistent)
    2754                 :             : {
    2755                 :          86 :     AssertLockHeld(cs_wallet);
    2756                 :          86 :     m_locked_coins.emplace(coin, persistent);
    2757                 :          86 : }
    2758                 :             : 
    2759                 :          83 : bool CWallet::LockCoin(const COutPoint& output, bool persist)
    2760                 :             : {
    2761                 :          83 :     AssertLockHeld(cs_wallet);
    2762                 :          83 :     LoadLockedCoin(output, persist);
    2763         [ +  + ]:          83 :     if (persist) {
    2764                 :           3 :         WalletBatch batch(GetDatabase());
    2765         [ +  - ]:           3 :         return batch.WriteLockedUTXO(output);
    2766                 :           3 :     }
    2767                 :             :     return true;
    2768                 :             : }
    2769                 :             : 
    2770                 :       10209 : bool CWallet::UnlockCoin(const COutPoint& output)
    2771                 :             : {
    2772                 :       10209 :     AssertLockHeld(cs_wallet);
    2773                 :       10209 :     auto locked_coin_it = m_locked_coins.find(output);
    2774         [ +  + ]:       10209 :     if (locked_coin_it != m_locked_coins.end()) {
    2775                 :          10 :         bool persisted = locked_coin_it->second;
    2776                 :          10 :         m_locked_coins.erase(locked_coin_it);
    2777         [ +  + ]:          10 :         if (persisted) {
    2778                 :           1 :             WalletBatch batch(GetDatabase());
    2779         [ +  - ]:           1 :             return batch.EraseLockedUTXO(output);
    2780                 :           1 :         }
    2781                 :             :     }
    2782                 :             :     return true;
    2783                 :             : }
    2784                 :             : 
    2785                 :           4 : bool CWallet::UnlockAllCoins()
    2786                 :             : {
    2787                 :           4 :     AssertLockHeld(cs_wallet);
    2788                 :           4 :     bool success = true;
    2789                 :           4 :     WalletBatch batch(GetDatabase());
    2790   [ -  +  +  + ]:          56 :     for (const auto& [coin, persistent] : m_locked_coins) {
    2791   [ -  +  -  -  :          52 :         if (persistent) success = success && batch.EraseLockedUTXO(coin);
             -  -  -  - ]
    2792                 :             :     }
    2793                 :           4 :     m_locked_coins.clear();
    2794                 :           4 :     return success;
    2795                 :           4 : }
    2796                 :             : 
    2797                 :      440029 : bool CWallet::IsLockedCoin(const COutPoint& output) const
    2798                 :             : {
    2799                 :      440029 :     AssertLockHeld(cs_wallet);
    2800                 :      440029 :     return m_locked_coins.contains(output);
    2801                 :             : }
    2802                 :             : 
    2803                 :          11 : void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
    2804                 :             : {
    2805                 :          11 :     AssertLockHeld(cs_wallet);
    2806         [ +  + ]:          18 :     for (const auto& [coin, _] : m_locked_coins) {
    2807                 :           7 :         vOutpts.push_back(coin);
    2808                 :             :     }
    2809                 :          11 : }
    2810                 :             : 
    2811                 :             : /**
    2812                 :             :  * Compute smart timestamp for a transaction being added to the wallet.
    2813                 :             :  *
    2814                 :             :  * Logic:
    2815                 :             :  * - If sending a transaction, assign its timestamp to the current time.
    2816                 :             :  * - If receiving a transaction outside a block, assign its timestamp to the
    2817                 :             :  *   current time.
    2818                 :             :  * - If receiving a transaction during a rescanning process, assign all its
    2819                 :             :  *   (not already known) transactions' timestamps to the block time.
    2820                 :             :  * - If receiving a block with a future timestamp, assign all its (not already
    2821                 :             :  *   known) transactions' timestamps to the current time.
    2822                 :             :  * - If receiving a block with a past timestamp, before the most recent known
    2823                 :             :  *   transaction (that we care about), assign all its (not already known)
    2824                 :             :  *   transactions' timestamps to the same timestamp as that most-recent-known
    2825                 :             :  *   transaction.
    2826                 :             :  * - If receiving a block with a past timestamp, but after the most recent known
    2827                 :             :  *   transaction, assign all its (not already known) transactions' timestamps to
    2828                 :             :  *   the block time.
    2829                 :             :  *
    2830                 :             :  * For more information see CWalletTx::nTimeSmart,
    2831                 :             :  * https://bitcointalk.org/?topic=54527, or
    2832                 :             :  * https://github.com/bitcoin/bitcoin/pull/1393.
    2833                 :             :  */
    2834                 :       18678 : unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx, bool rescanning_old_block) const
    2835                 :             : {
    2836                 :       18678 :     std::optional<uint256> block_hash;
    2837         [ +  + ]:       18678 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    2838                 :       15100 :         block_hash = conf->confirmed_block_hash;
    2839         [ -  + ]:        3578 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    2840                 :           0 :         block_hash = conf->conflicting_block_hash;
    2841                 :             :     }
    2842                 :             : 
    2843                 :       18678 :     unsigned int nTimeSmart = wtx.nTimeReceived;
    2844         [ +  + ]:       18678 :     if (block_hash) {
    2845                 :       15100 :         int64_t blocktime;
    2846                 :       15100 :         int64_t block_max_time;
    2847         [ +  - ]:       15100 :         if (chain().findBlock(*block_hash, FoundBlock().time(blocktime).maxTime(block_max_time))) {
    2848         [ +  + ]:       15100 :             if (rescanning_old_block) {
    2849                 :        5377 :                 nTimeSmart = block_max_time;
    2850                 :             :             } else {
    2851                 :        9723 :                 int64_t latestNow = wtx.nTimeReceived;
    2852                 :        9723 :                 int64_t latestEntry = 0;
    2853                 :             : 
    2854                 :             :                 // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
    2855                 :        9723 :                 int64_t latestTolerated = latestNow + 300;
    2856                 :        9723 :                 const TxItems& txOrdered = wtxOrdered;
    2857         [ +  + ]:       19448 :                 for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
    2858                 :       19322 :                     CWalletTx* const pwtx = it->second;
    2859         [ +  + ]:       19322 :                     if (pwtx == &wtx) {
    2860                 :        9723 :                         continue;
    2861                 :             :                     }
    2862                 :        9599 :                     int64_t nSmartTime;
    2863                 :        9599 :                     nSmartTime = pwtx->nTimeSmart;
    2864         [ -  + ]:        9599 :                     if (!nSmartTime) {
    2865                 :           0 :                         nSmartTime = pwtx->nTimeReceived;
    2866                 :             :                     }
    2867         [ +  + ]:        9599 :                     if (nSmartTime <= latestTolerated) {
    2868                 :        9597 :                         latestEntry = nSmartTime;
    2869         [ +  + ]:        9597 :                         if (nSmartTime > latestNow) {
    2870                 :           4 :                             latestNow = nSmartTime;
    2871                 :             :                         }
    2872                 :             :                         break;
    2873                 :             :                     }
    2874                 :             :                 }
    2875                 :             : 
    2876   [ +  +  +  + ]:       10703 :                 nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
    2877                 :             :             }
    2878                 :             :         } else {
    2879   [ #  #  #  # ]:           0 :             WalletLogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), block_hash->ToString());
    2880                 :             :         }
    2881                 :             :     }
    2882                 :       18678 :     return nTimeSmart;
    2883                 :             : }
    2884                 :             : 
    2885                 :          20 : bool CWallet::SetAddressPreviouslySpent(WalletBatch& batch, const CTxDestination& dest, bool used)
    2886                 :             : {
    2887         [ +  - ]:          20 :     if (std::get_if<CNoDestination>(&dest))
    2888                 :             :         return false;
    2889                 :             : 
    2890         [ -  + ]:          20 :     if (!used) {
    2891         [ #  # ]:           0 :         if (auto* data{common::FindKey(m_address_book, dest)}) data->previously_spent = false;
    2892                 :           0 :         return batch.WriteAddressPreviouslySpent(dest, false);
    2893                 :             :     }
    2894                 :             : 
    2895                 :          20 :     LoadAddressPreviouslySpent(dest);
    2896                 :          20 :     return batch.WriteAddressPreviouslySpent(dest, true);
    2897                 :             : }
    2898                 :             : 
    2899                 :          28 : void CWallet::LoadAddressPreviouslySpent(const CTxDestination& dest)
    2900                 :             : {
    2901                 :          28 :     m_address_book[dest].previously_spent = true;
    2902                 :          28 : }
    2903                 :             : 
    2904                 :           3 : void CWallet::LoadAddressReceiveRequest(const CTxDestination& dest, const std::string& id, const std::string& request)
    2905                 :             : {
    2906                 :           3 :     m_address_book[dest].receive_requests[id] = request;
    2907                 :           3 : }
    2908                 :             : 
    2909                 :        1657 : bool CWallet::IsAddressPreviouslySpent(const CTxDestination& dest) const
    2910                 :             : {
    2911         [ +  + ]:        1657 :     if (auto* data{common::FindKey(m_address_book, dest)}) return data->previously_spent;
    2912                 :             :     return false;
    2913                 :             : }
    2914                 :             : 
    2915                 :           2 : std::vector<std::string> CWallet::GetAddressReceiveRequests() const
    2916                 :             : {
    2917                 :           2 :     std::vector<std::string> values;
    2918         [ +  + ]:           5 :     for (const auto& [dest, entry] : m_address_book) {
    2919   [ +  -  +  + ]:           6 :         for (const auto& [id, request] : entry.receive_requests) {
    2920         [ +  - ]:           3 :             values.emplace_back(request);
    2921                 :             :         }
    2922                 :             :     }
    2923                 :           2 :     return values;
    2924                 :           0 : }
    2925                 :             : 
    2926                 :           4 : bool CWallet::SetAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id, const std::string& value)
    2927                 :             : {
    2928         [ +  - ]:           4 :     if (!batch.WriteAddressReceiveRequest(dest, id, value)) return false;
    2929                 :           4 :     m_address_book[dest].receive_requests[id] = value;
    2930                 :           4 :     return true;
    2931                 :             : }
    2932                 :             : 
    2933                 :           1 : bool CWallet::EraseAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id)
    2934                 :             : {
    2935         [ +  - ]:           1 :     if (!batch.EraseAddressReceiveRequest(dest, id)) return false;
    2936                 :           1 :     m_address_book[dest].receive_requests.erase(id);
    2937                 :           1 :     return true;
    2938                 :             : }
    2939                 :             : 
    2940                 :        1521 : util::Result<fs::path> GetWalletPath(const std::string& name)
    2941                 :             : {
    2942                 :        1521 :     const fs::path name_path = fs::PathFromString(name);
    2943                 :             : 
    2944                 :             :     // 'name' must be a normalized path, i.e. no . or .. except at the root
    2945   [ +  -  +  + ]:        4563 :     if (name_path != name_path.lexically_normal()) {
    2946   [ +  -  +  - ]:          48 :         return util::Error{Untranslated("Wallet name given as a path must be normalized")};
    2947                 :             :     }
    2948                 :             : 
    2949                 :             :     // 'name' cannot begin with ./ or ../
    2950   [ +  +  +  -  :        6373 :     if (!name_path.empty() && (*name_path.begin() == fs::PathFromString(".") || *name_path.begin() == fs::PathFromString(".."))) {
          +  -  +  +  +  
          +  +  -  +  -  
          +  +  +  +  +  
          +  +  +  +  +  
          +  +  -  -  -  
                -  -  - ]
    2951   [ +  -  +  - ]:          18 :         return util::Error{Untranslated("Wallet name given as a relative path cannot begin with ./ or ../, for wallets not in the walletdir, please use an absolute path.")};
    2952                 :             :     }
    2953                 :             : 
    2954                 :             :     // Disallow path at root
    2955   [ +  +  +  -  :        1531 :     if (name_path.has_root_path() && name_path.root_path() == name_path) {
             +  +  +  + ]
    2956   [ +  -  +  - ]:           6 :         return util::Error{Untranslated("Wallet name cannot be the root path")};
    2957                 :             :     }
    2958                 :             : 
    2959                 :             :     // Do some checking on wallet path. It should be either a:
    2960                 :             :     //
    2961                 :             :     // 1. Path where a directory can be created.
    2962                 :             :     // 2. Path to an existing directory.
    2963                 :             :     // 3. Path to a symlink to a directory.
    2964                 :             :     // 4. For backwards compatibility, the name of a data file in -walletdir.
    2965   [ +  -  +  - ]:        1497 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), name_path);
    2966         [ +  - ]:        1497 :     fs::file_type path_type = fs::symlink_status(wallet_path).type();
    2967   [ +  +  +  +  :        1515 :     if (!(path_type == fs::file_type::not_found || path_type == fs::file_type::directory ||
             +  +  +  + ]
    2968   [ +  -  +  + ]:          16 :           (path_type == fs::file_type::symlink && fs::is_directory(wallet_path)) ||
    2969   [ +  -  -  + ]:           4 :           (path_type == fs::file_type::regular && name_path.filename() == name_path))) {
    2970   [ +  -  +  - ]:           8 :         return util::Error{Untranslated(strprintf(
    2971                 :             :               "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
    2972                 :             :               "database/log.?????????? files can be stored, a location where such a directory could be created, "
    2973                 :             :               "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
    2974   [ +  -  +  - ]:          20 :               name, fs::quoted(fs::PathToString(GetWalletDir()))))};
    2975                 :             :     }
    2976         [ +  - ]:        2986 :     return wallet_path;
    2977                 :        3018 : }
    2978                 :             : 
    2979                 :        1444 : std::unique_ptr<WalletDatabase> MakeWalletDatabase(const std::string& name, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error_string)
    2980                 :             : {
    2981                 :        1444 :     const auto& wallet_path = GetWalletPath(name);
    2982         [ +  + ]:        1444 :     if (!wallet_path) {
    2983         [ +  - ]:          28 :         error_string = util::ErrorString(wallet_path);
    2984                 :          28 :         status = DatabaseStatus::FAILED_BAD_PATH;
    2985                 :          28 :         return nullptr;
    2986                 :             :     }
    2987         [ +  - ]:        1416 :     return MakeDatabase(*wallet_path, options, status, error_string);
    2988                 :        1444 : }
    2989                 :             : 
    2990                 :        1006 : bool CWallet::LoadWalletArgs(std::shared_ptr<CWallet> wallet, const WalletContext& context, bilingual_str& error, std::vector<bilingual_str>& warnings)
    2991                 :             : {
    2992                 :        1006 :     interfaces::Chain* chain = context.chain;
    2993         [ -  + ]:        1006 :     const ArgsManager& args = *Assert(context.args);
    2994                 :             : 
    2995   [ +  -  +  -  :        1006 :     if (!args.GetArg("-addresstype", "").empty()) {
                   +  + ]
    2996   [ +  -  +  -  :         210 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-addresstype", ""));
                   +  - ]
    2997         [ -  + ]:          70 :         if (!parsed) {
    2998   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown address type '%s'"), args.GetArg("-addresstype", ""));
                   #  # ]
    2999                 :           0 :             return false;
    3000                 :             :         }
    3001                 :          70 :         wallet->m_default_address_type = parsed.value();
    3002                 :             :     }
    3003                 :             : 
    3004   [ +  -  +  -  :        1006 :     if (!args.GetArg("-changetype", "").empty()) {
                   +  + ]
    3005   [ +  -  +  -  :          18 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-changetype", ""));
                   +  - ]
    3006         [ -  + ]:           6 :         if (!parsed) {
    3007   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown change type '%s'"), args.GetArg("-changetype", ""));
                   #  # ]
    3008                 :           0 :             return false;
    3009                 :             :         }
    3010                 :           6 :         wallet->m_default_change_type = parsed.value();
    3011                 :             :     }
    3012                 :             : 
    3013   [ +  -  +  + ]:        2012 :     if (const auto arg{args.GetArg("-mintxfee")}) {
    3014         [ +  - ]:          13 :         std::optional<CAmount> min_tx_fee = ParseMoney(*arg);
    3015         [ -  + ]:          13 :         if (!min_tx_fee) {
    3016   [ #  #  #  # ]:           0 :             error = AmountErrMsg("mintxfee", *arg);
    3017                 :           0 :             return false;
    3018         [ -  + ]:          13 :         } else if (min_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    3019   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-mintxfee") + Untranslated(" ") +
                   #  # ]
    3020   [ #  #  #  # ]:           0 :                                _("This is the minimum transaction fee you pay on every transaction."));
    3021                 :             :         }
    3022                 :             : 
    3023                 :          13 :         wallet->m_min_fee = CFeeRate{min_tx_fee.value()};
    3024                 :           0 :     }
    3025                 :             : 
    3026   [ +  -  +  + ]:        2012 :     if (const auto arg{args.GetArg("-maxapsfee")}) {
    3027         [ -  + ]:           2 :         const std::string& max_aps_fee{*arg};
    3028         [ -  + ]:           2 :         if (max_aps_fee == "-1") {
    3029                 :           0 :             wallet->m_max_aps_fee = -1;
    3030   [ +  -  +  - ]:           2 :         } else if (std::optional<CAmount> max_fee = ParseMoney(max_aps_fee)) {
    3031         [ -  + ]:           2 :             if (max_fee.value() > HIGH_APS_FEE) {
    3032   [ #  #  #  #  :           0 :                 warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") +
                   #  # ]
    3033   [ #  #  #  # ]:           0 :                                   _("This is the maximum transaction fee you pay (in addition to the normal fee) to prioritize partial spend avoidance over regular coin selection."));
    3034                 :             :             }
    3035                 :           2 :             wallet->m_max_aps_fee = max_fee.value();
    3036                 :             :         } else {
    3037   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxapsfee", max_aps_fee);
    3038                 :           0 :             return false;
    3039                 :             :         }
    3040                 :           0 :     }
    3041                 :             : 
    3042   [ +  -  +  + ]:        2012 :     if (const auto arg{args.GetArg("-fallbackfee")}) {
    3043         [ +  - ]:        1000 :         std::optional<CAmount> fallback_fee = ParseMoney(*arg);
    3044         [ -  + ]:        1000 :         if (!fallback_fee) {
    3045         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-fallbackfee", *arg);
    3046                 :           0 :             return false;
    3047         [ +  + ]:        1000 :         } else if (fallback_fee.value() > HIGH_TX_FEE_PER_KB) {
    3048   [ +  -  +  -  :           6 :             warnings.push_back(AmountHighWarn("-fallbackfee") + Untranslated(" ") +
                   +  - ]
    3049   [ +  -  +  - ]:           2 :                                _("This is the transaction fee you may pay when fee estimates are not available."));
    3050                 :             :         }
    3051                 :        1000 :         wallet->m_fallback_fee = CFeeRate{fallback_fee.value()};
    3052                 :           0 :     }
    3053                 :             : 
    3054                 :             :     // Disable fallback fee in case value was set to 0, enable if non-null value
    3055                 :        1006 :     wallet->m_allow_fallback_fee = wallet->m_fallback_fee.GetFeePerK() != 0;
    3056                 :             : 
    3057   [ +  -  +  + ]:        2012 :     if (const auto arg{args.GetArg("-discardfee")}) {
    3058         [ +  - ]:           6 :         std::optional<CAmount> discard_fee = ParseMoney(*arg);
    3059         [ -  + ]:           6 :         if (!discard_fee) {
    3060         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-discardfee", *arg);
    3061                 :           0 :             return false;
    3062         [ +  + ]:           6 :         } else if (discard_fee.value() > HIGH_TX_FEE_PER_KB) {
    3063   [ +  -  +  -  :          24 :             warnings.push_back(AmountHighWarn("-discardfee") + Untranslated(" ") +
                   +  - ]
    3064   [ +  -  +  - ]:           8 :                                _("This is the transaction fee you may discard if change is smaller than dust at this level"));
    3065                 :             :         }
    3066                 :           6 :         wallet->m_discard_rate = CFeeRate{discard_fee.value()};
    3067                 :           0 :     }
    3068                 :             : 
    3069   [ +  -  +  + ]:        2012 :     if (const auto arg{args.GetArg("-maxtxfee")}) {
    3070         [ +  - ]:           1 :         std::optional<CAmount> max_fee = ParseMoney(*arg);
    3071         [ -  + ]:           1 :         if (!max_fee) {
    3072   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxtxfee", *arg);
    3073                 :           0 :             return false;
    3074         [ -  + ]:           1 :         } else if (max_fee.value() > HIGH_MAX_TX_FEE) {
    3075         [ #  # ]:           0 :             warnings.push_back(strprintf(_("%s is set very high! Fees this large could be paid on a single transaction."), "-maxtxfee"));
    3076                 :             :         }
    3077                 :             : 
    3078   [ +  -  +  -  :           2 :         if (chain && CFeeRate{max_fee.value(), 1000} < chain->relayMinFee()) {
             +  -  -  + ]
    3079         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
    3080   [ #  #  #  # ]:           0 :                 "-maxtxfee", *arg, chain->relayMinFee().ToString());
    3081                 :           0 :             return false;
    3082                 :             :         }
    3083                 :             : 
    3084         [ +  - ]:           1 :         wallet->m_default_max_tx_fee = max_fee.value();
    3085                 :           0 :     }
    3086                 :             : 
    3087   [ +  -  -  + ]:        2012 :     if (const auto arg{args.GetArg("-consolidatefeerate")}) {
    3088   [ #  #  #  # ]:           0 :         if (std::optional<CAmount> consolidate_feerate = ParseMoney(*arg)) {
    3089                 :           0 :             wallet->m_consolidate_feerate = CFeeRate(*consolidate_feerate);
    3090                 :             :         } else {
    3091   [ #  #  #  # ]:           0 :             error = AmountErrMsg("consolidatefeerate", *arg);
    3092                 :           0 :             return false;
    3093                 :             :         }
    3094                 :           0 :     }
    3095                 :             : 
    3096   [ +  +  +  + ]:        1006 :     if (chain && chain->relayMinFee().GetFeePerK() > HIGH_TX_FEE_PER_KB) {
    3097   [ +  -  +  -  :          12 :         warnings.push_back(AmountHighWarn("-minrelaytxfee") + Untranslated(" ") +
                   +  - ]
    3098         [ +  - ]:           4 :                            _("The wallet will avoid paying less than the minimum relay fee."));
    3099                 :             :     }
    3100                 :             : 
    3101                 :        2012 :     wallet->m_confirm_target = args.GetIntArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
    3102         [ +  - ]:        1006 :     wallet->m_spend_zero_conf_change = args.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
    3103                 :        1006 :     wallet->m_signal_rbf = DEFAULT_WALLET_RBF;
    3104   [ +  -  +  + ]:        2012 :     if (auto value{args.GetBoolArg("-walletrbf")}) {
    3105         [ +  - ]:           2 :         warnings.push_back(_("-walletrbf is deprecated and will be fully removed in the next release."));
    3106                 :           2 :         wallet->m_signal_rbf = *value;
    3107                 :             :     }
    3108                 :             : 
    3109         [ +  + ]:        3015 :     wallet->m_keypool_size = std::max(args.GetIntArg("-keypool", DEFAULT_KEYPOOL_SIZE), int64_t{1});
    3110   [ +  -  +  - ]:        1006 :     wallet->m_notify_tx_changed_script = args.GetArg("-walletnotify", "");
    3111         [ +  - ]:        1006 :     wallet->SetBroadcastTransactions(args.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
    3112                 :             : 
    3113                 :        1006 :     return true;
    3114                 :             : }
    3115                 :             : 
    3116                 :         636 : std::shared_ptr<CWallet> CWallet::CreateNew(WalletContext& context, const std::string& name, std::unique_ptr<WalletDatabase> database, uint64_t wallet_creation_flags, bool born_encrypted, bilingual_str& error, std::vector<bilingual_str>& warnings)
    3117                 :             : {
    3118                 :         636 :     interfaces::Chain* chain = context.chain;
    3119                 :         636 :     const std::string& walletFile = database->Filename();
    3120                 :             : 
    3121                 :         636 :     const auto start{SteadyClock::now()};
    3122                 :             :     // TODO: Can't use std::make_shared because we need a custom deleter but
    3123                 :             :     // should be possible to use std::allocate_shared.
    3124   [ +  -  +  -  :        1272 :     std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), FlushAndDeleteWallet);
             +  -  -  - ]
    3125                 :             : 
    3126   [ +  -  +  -  :        1908 :     if (!LoadWalletArgs(walletInstance, context, error, warnings)) {
             +  -  -  + ]
    3127                 :           0 :         return nullptr;
    3128                 :             :     }
    3129                 :             : 
    3130                 :             :     // Initialize version key.
    3131   [ +  -  +  -  :        1272 :     if(!WalletBatch(walletInstance->GetDatabase()).WriteVersion(CLIENT_VERSION)) {
                   -  + ]
    3132         [ #  # ]:           0 :         error = strprintf(_("Error creating %s: Could not write version metadata."), walletFile);
    3133                 :           0 :         return nullptr;
    3134                 :             :     }
    3135                 :         636 :     {
    3136         [ +  - ]:         636 :         LOCK(walletInstance->cs_wallet);
    3137                 :             : 
    3138                 :             :         // Init with passed flags.
    3139                 :             :         // Always set the cache upgrade flag as this feature is supported from the beginning.
    3140         [ +  - ]:         636 :         walletInstance->InitWalletFlags(wallet_creation_flags | WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
    3141                 :             : 
    3142                 :             :         // Only descriptor wallets can be created
    3143   [ +  -  -  + ]:         636 :         assert(walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    3144                 :             : 
    3145                 :             :         // Born encrypted wallets will have their keys generated later
    3146         [ +  + ]:         636 :         if (!born_encrypted) {
    3147         [ +  + ]:         627 :             walletInstance->SetupWalletGeneration();
    3148                 :             :         }
    3149                 :             : 
    3150         [ +  + ]:         633 :         if (chain) {
    3151         [ +  - ]:         606 :             std::optional<int> tip_height = chain->getHeight();
    3152         [ +  - ]:         606 :             if (tip_height) {
    3153   [ +  -  +  - ]:         606 :                 walletInstance->SetLastBlockProcessed(*tip_height, chain->getBlockHash(*tip_height));
    3154                 :             :             }
    3155                 :             :         }
    3156                 :           3 :     }
    3157                 :             : 
    3158         [ +  - ]:         633 :     walletInstance->WalletLogPrintf("Wallet completed creation in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));
    3159                 :             : 
    3160                 :             :     // Try to top up keypool. No-op if the wallet is locked.
    3161         [ +  - ]:         633 :     walletInstance->TopUpKeyPool();
    3162                 :             : 
    3163   [ +  +  +  -  :         633 :     if (chain && !AttachChain(walletInstance, *chain, /*rescan_required=*/false, error, warnings)) {
                   -  + ]
    3164         [ #  # ]:           0 :         walletInstance->DisconnectChainNotifications();
    3165                 :           0 :         return nullptr;
    3166                 :             :     }
    3167                 :             : 
    3168                 :         633 :     return walletInstance;
    3169                 :         636 : }
    3170                 :             : 
    3171                 :         370 : std::shared_ptr<CWallet> CWallet::LoadExisting(WalletContext& context, const std::string& name, std::unique_ptr<WalletDatabase> database, bilingual_str& error, std::vector<bilingual_str>& warnings)
    3172                 :             : {
    3173                 :         370 :     interfaces::Chain* chain = context.chain;
    3174                 :         370 :     const std::string& walletFile = database->Filename();
    3175                 :             : 
    3176                 :         370 :     const auto start{SteadyClock::now()};
    3177   [ +  -  +  -  :         740 :     std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), FlushAndDeleteWallet);
             +  -  -  - ]
    3178                 :             : 
    3179   [ +  -  +  -  :        1110 :     if (!LoadWalletArgs(walletInstance, context, error, warnings)) {
             +  -  -  + ]
    3180                 :           0 :         return nullptr;
    3181                 :             :     }
    3182                 :             : 
    3183                 :             :     // Load wallet
    3184         [ +  - ]:         370 :     auto nLoadWalletRet = walletInstance->PopulateWalletFromDB(error, warnings);
    3185                 :         370 :     bool rescan_required = nLoadWalletRet == DBErrors::NEED_RESCAN;
    3186   [ +  +  +  - ]:         370 :     if (nLoadWalletRet != DBErrors::LOAD_OK && nLoadWalletRet != DBErrors::NONCRITICAL_ERROR && !rescan_required) {
    3187                 :           2 :         return nullptr;
    3188                 :             :     }
    3189                 :             : 
    3190   [ +  -  +  + ]:         368 :     if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
    3191   [ +  -  +  + ]:         174 :         for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
    3192   [ +  -  -  + ]:          72 :             if (spk_man->HavePrivateKeys()) {
    3193         [ #  # ]:           0 :                 warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
    3194                 :           0 :                 break;
    3195                 :             :             }
    3196                 :             :         }
    3197                 :             :     }
    3198                 :             : 
    3199         [ +  - ]:         368 :     walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));
    3200                 :             : 
    3201                 :             :     // Try to top up keypool. No-op if the wallet is locked.
    3202         [ +  - ]:         368 :     walletInstance->TopUpKeyPool();
    3203                 :             : 
    3204   [ +  +  +  -  :         368 :     if (chain && !AttachChain(walletInstance, *chain, rescan_required, error, warnings)) {
                   +  + ]
    3205         [ +  - ]:          10 :         walletInstance->DisconnectChainNotifications();
    3206                 :          10 :         return nullptr;
    3207                 :             :     }
    3208                 :             : 
    3209   [ +  -  +  - ]:        1074 :     WITH_LOCK(walletInstance->cs_wallet, walletInstance->LogStats());
    3210                 :             : 
    3211                 :         358 :     return walletInstance;
    3212                 :         370 : }
    3213                 :             : 
    3214                 :             : 
    3215                 :         926 : bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interfaces::Chain& chain, const bool rescan_required, bilingual_str& error, std::vector<bilingual_str>& warnings)
    3216                 :             : {
    3217                 :         926 :     LOCK(walletInstance->cs_wallet);
    3218                 :             :     // allow setting the chain if it hasn't been set already but prevent changing it
    3219   [ +  -  -  + ]:         926 :     assert(!walletInstance->m_chain || walletInstance->m_chain == &chain);
    3220         [ +  - ]:         926 :     walletInstance->m_chain = &chain;
    3221                 :             : 
    3222                 :             :     // Unless allowed, ensure wallet files are not reused across chains:
    3223   [ +  -  +  -  :         926 :     if (!gArgs.GetBoolArg("-walletcrosschain", DEFAULT_WALLETCROSSCHAIN)) {
                   +  - ]
    3224         [ +  - ]:         926 :         WalletBatch batch(walletInstance->GetDatabase());
    3225                 :         926 :         CBlockLocator locator;
    3226   [ +  -  +  +  :        1850 :         if (batch.ReadBestBlock(locator) && locator.vHave.size() > 0 && chain.getHeight()) {
          +  -  +  -  +  
                      + ]
    3227                 :             :             // Wallet is assumed to be from another chain, if genesis block in the active
    3228                 :             :             // chain differs from the genesis block known to the wallet.
    3229   [ +  -  +  + ]:         919 :             if (chain.getBlockHash(0) != locator.vHave.back()) {
    3230   [ +  -  +  - ]:           2 :                 error = Untranslated("Wallet files should not be reused across chains. Restart bitcoind with -walletcrosschain to override.");
    3231                 :           1 :                 return false;
    3232                 :             :             }
    3233                 :             :         }
    3234                 :        1852 :     }
    3235                 :             : 
    3236                 :             :     // Register wallet with validationinterface. It's done before rescan to avoid
    3237                 :             :     // missing block connections during the rescan.
    3238                 :             :     // Because of the wallet lock being held, block connection notifications are going to
    3239                 :             :     // be pending on the validation-side until lock release. Blocks that are connected while the
    3240                 :             :     // rescan is ongoing will not be processed in the rescan but with the block connected notifications,
    3241                 :             :     // so the wallet will only be completeley synced after the notifications delivery.
    3242   [ +  -  -  + ]:         925 :     walletInstance->m_chain_notifications_handler = walletInstance->chain().handleNotifications(walletInstance);
    3243                 :             : 
    3244                 :             :     // If rescan_required = true, rescan_height remains equal to 0
    3245                 :         925 :     int rescan_height = 0;
    3246         [ +  - ]:         925 :     if (!rescan_required)
    3247                 :             :     {
    3248         [ +  - ]:         925 :         WalletBatch batch(walletInstance->GetDatabase());
    3249                 :         925 :         CBlockLocator locator;
    3250   [ +  -  +  + ]:         925 :         if (batch.ReadBestBlock(locator)) {
    3251   [ +  -  +  + ]:         923 :             if (const std::optional<int> fork_height = chain.findLocatorFork(locator)) {
    3252                 :         918 :                 rescan_height = *fork_height;
    3253                 :             :             }
    3254                 :             :         }
    3255                 :        1850 :     }
    3256                 :             : 
    3257         [ +  - ]:         925 :     const std::optional<int> tip_height = chain.getHeight();
    3258         [ +  + ]:         925 :     if (tip_height) {
    3259   [ +  -  +  - ]:         920 :         walletInstance->SetLastBlockProcessedInMem(*tip_height, chain.getBlockHash(*tip_height));
    3260                 :             :     } else {
    3261         [ +  - ]:           5 :         walletInstance->SetLastBlockProcessedInMem(-1, uint256());
    3262                 :             :     }
    3263                 :             : 
    3264   [ +  +  +  + ]:         925 :     if (tip_height && *tip_height != rescan_height)
    3265                 :             :     {
    3266                 :             :         // No need to read and scan block if block was created before
    3267                 :             :         // our wallet birthday (as adjusted for block time variability)
    3268         [ +  - ]:          69 :         std::optional<int64_t> time_first_key = walletInstance->m_birth_time.load();
    3269         [ +  - ]:          69 :         if (time_first_key) {
    3270         [ +  - ]:          69 :             FoundBlock found = FoundBlock().height(rescan_height);
    3271         [ +  - ]:          69 :             chain.findFirstBlockWithTimeAndHeight(*time_first_key - TIMESTAMP_WINDOW, rescan_height, found);
    3272         [ -  + ]:          69 :             if (!found.found) {
    3273                 :             :                 // We were unable to find a block that had a time more recent than our earliest timestamp
    3274                 :             :                 // or a height higher than the wallet was synced to, indicating that the wallet is newer than the
    3275                 :             :                 // current chain tip. Skip rescanning in this case.
    3276                 :           0 :                 rescan_height = *tip_height;
    3277                 :             :             }
    3278                 :             :         }
    3279                 :             : 
    3280                 :             :         // Technically we could execute the code below in any case, but performing the
    3281                 :             :         // `while` loop below can make startup very slow, so only check blocks on disk
    3282                 :             :         // if necessary.
    3283   [ +  -  +  +  :          69 :         if (chain.havePruned() || chain.hasAssumedValidChain()) {
             +  -  +  + ]
    3284                 :          14 :             int block_height = *tip_height;
    3285   [ +  -  +  -  :        2655 :             while (block_height > 0 && chain.haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
             +  +  +  + ]
    3286                 :        2641 :                 --block_height;
    3287                 :             :             }
    3288                 :             : 
    3289         [ +  + ]:          14 :             if (rescan_height != block_height) {
    3290                 :             :                 // We can't rescan beyond blocks we don't have data for, stop and throw an error.
    3291                 :             :                 // This might happen if a user uses an old wallet within a pruned node
    3292                 :             :                 // or if they ran -disablewallet for a longer time, then decided to re-enable
    3293                 :             :                 // Exit early and print an error.
    3294                 :             :                 // It also may happen if an assumed-valid chain is in use and therefore not
    3295                 :             :                 // all block data is available.
    3296                 :             :                 // If a block is pruned after this check, we will load the wallet,
    3297                 :             :                 // but fail the rescan with a generic error.
    3298                 :             : 
    3299   [ +  -  +  +  :           9 :                 error = chain.havePruned() ?
                   +  - ]
    3300         [ +  - ]:           4 :                      _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of a pruned node)") :
    3301                 :             :                      strprintf(_(
    3302                 :             :                         "Error loading wallet. Wallet requires blocks to be downloaded, "
    3303                 :             :                         "and software does not currently support loading wallets while "
    3304                 :             :                         "blocks are being downloaded out of order when using assumeutxo "
    3305                 :             :                         "snapshots. Wallet should be able to load successfully after "
    3306                 :           9 :                         "node sync reaches height %s"), block_height);
    3307                 :           9 :                 return false;
    3308                 :             :             }
    3309                 :             :         }
    3310                 :             : 
    3311   [ +  -  +  - ]:          60 :         chain.initMessage(_("Rescanning…"));
    3312         [ +  - ]:          60 :         walletInstance->WalletLogPrintf("Rescanning last %i blocks (from block %i)...\n", *tip_height - rescan_height, rescan_height);
    3313                 :             : 
    3314                 :          60 :         {
    3315                 :          60 :             WalletRescanReserver reserver(*walletInstance);
    3316         [ -  + ]:          60 :             if (!reserver.reserve()) {
    3317         [ #  # ]:           0 :                 error = _("Failed to acquire rescan reserver during wallet initialization");
    3318                 :           0 :                 return false;
    3319                 :             :             }
    3320   [ +  -  +  - ]:          60 :             ScanResult scan_res = walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, /*max_height=*/{}, reserver, /*save_progress=*/true);
    3321         [ -  + ]:          60 :             if (ScanResult::SUCCESS != scan_res.status) {
    3322         [ #  # ]:           0 :                 error = _("Failed to rescan the wallet during initialization");
    3323                 :           0 :                 return false;
    3324                 :             :             }
    3325                 :             :             // Set and update the best block record
    3326                 :             :             // Set last block scanned as the last block processed as it may be different in case of a reorg.
    3327                 :             :             // Also save the best block locator because rescanning only updates it intermittently.
    3328         [ +  - ]:          60 :             walletInstance->SetLastBlockProcessed(*scan_res.last_scanned_height, scan_res.last_scanned_block);
    3329                 :          60 :         }
    3330                 :             :     }
    3331                 :             : 
    3332                 :             :     return true;
    3333                 :         926 : }
    3334                 :             : 
    3335                 :       23329 : const CAddressBookData* CWallet::FindAddressBookEntry(const CTxDestination& dest, bool allow_change) const
    3336                 :             : {
    3337                 :       23329 :     const auto& address_book_it = m_address_book.find(dest);
    3338         [ +  + ]:       23329 :     if (address_book_it == m_address_book.end()) return nullptr;
    3339   [ +  -  +  + ]:       10631 :     if ((!allow_change) && address_book_it->second.IsChange()) {
    3340                 :             :         return nullptr;
    3341                 :             :     }
    3342                 :       10628 :     return &address_book_it->second;
    3343                 :             : }
    3344                 :             : 
    3345                 :         916 : void CWallet::postInitProcess()
    3346                 :             : {
    3347                 :             :     // Add wallet transactions that aren't already in a block to mempool
    3348                 :             :     // Do this here as mempool requires genesis block to be loaded
    3349                 :         916 :     ResubmitWalletTransactions(node::TxBroadcast::MEMPOOL_NO_BROADCAST, /*force=*/true);
    3350                 :             : 
    3351                 :             :     // Update wallet transactions with current mempool transactions.
    3352         [ +  - ]:        2748 :     WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    3353                 :         916 : }
    3354                 :             : 
    3355                 :         121 : bool CWallet::BackupWallet(const std::string& strDest) const
    3356                 :             : {
    3357         [ +  - ]:         363 :     WITH_LOCK(cs_wallet, WriteBestBlock());
    3358                 :         121 :     return GetDatabase().Backup(strDest);
    3359                 :             : }
    3360                 :             : 
    3361                 :     1219213 : int CWallet::GetTxDepthInMainChain(const CWalletTx& wtx) const
    3362                 :             : {
    3363                 :     1219213 :     AssertLockHeld(cs_wallet);
    3364         [ +  + ]:     1219213 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    3365         [ -  + ]:     1135971 :         assert(conf->confirmed_block_height >= 0);
    3366                 :     1135971 :         return GetLastBlockHeight() - conf->confirmed_block_height + 1;
    3367         [ +  + ]:       83242 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    3368         [ -  + ]:        4543 :         assert(conf->conflicting_block_height >= 0);
    3369                 :        4543 :         return -1 * (GetLastBlockHeight() - conf->conflicting_block_height + 1);
    3370                 :             :     } else {
    3371                 :             :         return 0;
    3372                 :             :     }
    3373                 :             : }
    3374                 :             : 
    3375                 :      702315 : int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
    3376                 :             : {
    3377                 :      702315 :     AssertLockHeld(cs_wallet);
    3378                 :             : 
    3379         [ +  + ]:      702315 :     if (!wtx.IsCoinBase()) {
    3380                 :             :         return 0;
    3381                 :             :     }
    3382                 :      428206 :     int chain_depth = GetTxDepthInMainChain(wtx);
    3383         [ -  + ]:      428206 :     assert(chain_depth >= 0); // coinbase tx should not be conflicted
    3384         [ +  + ]:      428206 :     return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
    3385                 :             : }
    3386                 :             : 
    3387                 :      702315 : bool CWallet::IsTxImmatureCoinBase(const CWalletTx& wtx) const
    3388                 :             : {
    3389                 :      702315 :     AssertLockHeld(cs_wallet);
    3390                 :             : 
    3391                 :             :     // note GetBlocksToMaturity is 0 for non-coinbase tx
    3392                 :      702315 :     return GetTxBlocksToMaturity(wtx) > 0;
    3393                 :             : }
    3394                 :             : 
    3395                 :       11824 : bool CWallet::IsLocked() const
    3396                 :             : {
    3397         [ +  + ]:       11824 :     if (!HasEncryptionKeys()) {
    3398                 :             :         return false;
    3399                 :             :     }
    3400                 :        3593 :     LOCK(cs_wallet);
    3401         [ +  - ]:        3593 :     return vMasterKey.empty();
    3402                 :        3593 : }
    3403                 :             : 
    3404                 :          79 : bool CWallet::Lock()
    3405                 :             : {
    3406         [ +  - ]:          79 :     if (!HasEncryptionKeys())
    3407                 :             :         return false;
    3408                 :             : 
    3409                 :          79 :     {
    3410         [ +  - ]:          79 :         LOCK2(m_relock_mutex, cs_wallet);
    3411         [ +  + ]:          79 :         if (!vMasterKey.empty()) {
    3412   [ -  +  +  - ]:          52 :             memory_cleanse(vMasterKey.data(), vMasterKey.size() * sizeof(decltype(vMasterKey)::value_type));
    3413   [ +  -  +  - ]:         131 :             vMasterKey.clear();
    3414                 :             :         }
    3415         [ +  - ]:          79 :     }
    3416                 :             : 
    3417                 :          79 :     NotifyStatusChanged(this);
    3418                 :          79 :     return true;
    3419                 :             : }
    3420                 :             : 
    3421                 :          67 : bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn)
    3422                 :             : {
    3423                 :          67 :     {
    3424                 :          67 :         LOCK(cs_wallet);
    3425         [ +  + ]:         737 :         for (const auto& spk_man_pair : m_spk_managers) {
    3426   [ +  -  -  + ]:         670 :             if (!spk_man_pair.second->CheckDecryptionKey(vMasterKeyIn)) {
    3427         [ #  # ]:           0 :                 return false;
    3428                 :             :             }
    3429                 :             :         }
    3430         [ +  - ]:          67 :         vMasterKey = vMasterKeyIn;
    3431                 :           0 :     }
    3432                 :          67 :     NotifyStatusChanged(this);
    3433                 :          67 :     return true;
    3434                 :             : }
    3435                 :             : 
    3436                 :       30069 : std::set<ScriptPubKeyMan*> CWallet::GetActiveScriptPubKeyMans() const
    3437                 :             : {
    3438                 :       30069 :     std::set<ScriptPubKeyMan*> spk_mans;
    3439         [ +  + ]:       90207 :     for (bool internal : {false, true}) {
    3440         [ +  + ]:      300690 :         for (OutputType t : OUTPUT_TYPES) {
    3441         [ +  - ]:      240552 :             auto spk_man = GetScriptPubKeyMan(t, internal);
    3442         [ +  + ]:      240552 :             if (spk_man) {
    3443         [ +  - ]:      137466 :                 spk_mans.insert(spk_man);
    3444                 :             :             }
    3445                 :             :         }
    3446                 :             :     }
    3447                 :       30069 :     return spk_mans;
    3448                 :           0 : }
    3449                 :             : 
    3450                 :        1805 : bool CWallet::IsActiveScriptPubKeyMan(const ScriptPubKeyMan& spkm) const
    3451                 :             : {
    3452   [ +  +  +  + ]:        6701 :     for (const auto& [_, ext_spkm] : m_external_spk_managers) {
    3453         [ +  + ]:        5756 :         if (ext_spkm == &spkm) return true;
    3454                 :             :     }
    3455   [ +  +  +  + ]:        2452 :     for (const auto& [_, int_spkm] : m_internal_spk_managers) {
    3456         [ +  + ]:        2356 :         if (int_spkm == &spkm) return true;
    3457                 :             :     }
    3458                 :             :     return false;
    3459                 :             : }
    3460                 :             : 
    3461                 :        4502 : std::set<ScriptPubKeyMan*> CWallet::GetAllScriptPubKeyMans() const
    3462                 :             : {
    3463                 :        4502 :     std::set<ScriptPubKeyMan*> spk_mans;
    3464         [ +  + ]:       42863 :     for (const auto& spk_man_pair : m_spk_managers) {
    3465         [ +  - ]:       38361 :         spk_mans.insert(spk_man_pair.second.get());
    3466                 :             :     }
    3467                 :        4502 :     return spk_mans;
    3468                 :           0 : }
    3469                 :             : 
    3470                 :      297270 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool internal) const
    3471                 :             : {
    3472         [ +  + ]:      297270 :     const std::map<OutputType, ScriptPubKeyMan*>& spk_managers = internal ? m_internal_spk_managers : m_external_spk_managers;
    3473                 :      297270 :     std::map<OutputType, ScriptPubKeyMan*>::const_iterator it = spk_managers.find(type);
    3474         [ +  + ]:      297270 :     if (it == spk_managers.end()) {
    3475                 :             :         return nullptr;
    3476                 :             :     }
    3477                 :      188519 :     return it->second;
    3478                 :             : }
    3479                 :             : 
    3480                 :      146324 : std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script) const
    3481                 :             : {
    3482         [ +  - ]:      146324 :     std::set<ScriptPubKeyMan*> spk_mans;
    3483                 :             : 
    3484                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3485         [ +  - ]:      146324 :     const auto& it = m_cached_spks.find(script);
    3486         [ +  + ]:      146324 :     if (it != m_cached_spks.end()) {
    3487         [ +  - ]:       84970 :         spk_mans.insert(it->second.begin(), it->second.end());
    3488                 :             :     }
    3489                 :      146324 :     SignatureData sigdata;
    3490         [ +  - ]:      231303 :     Assume(std::all_of(spk_mans.begin(), spk_mans.end(), [&script, &sigdata](ScriptPubKeyMan* spkm) { return spkm->CanProvide(script, sigdata); }));
    3491                 :             : 
    3492                 :      146324 :     return spk_mans;
    3493                 :      146324 : }
    3494                 :             : 
    3495                 :        4941 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
    3496                 :             : {
    3497         [ +  + ]:        4941 :     if (m_spk_managers.contains(id)) {
    3498                 :        4931 :         return m_spk_managers.at(id).get();
    3499                 :             :     }
    3500                 :             :     return nullptr;
    3501                 :             : }
    3502                 :             : 
    3503                 :      290786 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script) const
    3504                 :             : {
    3505                 :      290786 :     SignatureData sigdata;
    3506         [ +  - ]:      581572 :     return GetSolvingProvider(script, sigdata);
    3507                 :      290786 : }
    3508                 :             : 
    3509                 :      290786 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script, SignatureData& sigdata) const
    3510                 :             : {
    3511                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3512                 :      290786 :     const auto& it = m_cached_spks.find(script);
    3513         [ +  + ]:      290786 :     if (it != m_cached_spks.end()) {
    3514                 :             :         // All spkms for a given script must already be able to make a SigningProvider for the script, so just return the first one.
    3515                 :      180558 :         Assume(it->second.at(0)->CanProvide(script, sigdata));
    3516                 :      180558 :         return it->second.at(0)->GetSolvingProvider(script);
    3517                 :             :     }
    3518                 :             : 
    3519                 :      110228 :     return nullptr;
    3520                 :             : }
    3521                 :             : 
    3522                 :        9184 : std::vector<WalletDescriptor> CWallet::GetWalletDescriptors(const CScript& script) const
    3523                 :             : {
    3524                 :        9184 :     std::vector<WalletDescriptor> descs;
    3525   [ +  -  +  + ]:       18369 :     for (const auto spk_man: GetScriptPubKeyMans(script)) {
    3526   [ +  -  +  - ]:        9185 :         if (const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man)) {
    3527         [ +  - ]:        9185 :             LOCK(desc_spk_man->cs_desc_man);
    3528   [ +  -  +  - ]:       18370 :             descs.push_back(desc_spk_man->GetWalletDescriptor());
    3529                 :        9185 :         }
    3530                 :             :     }
    3531                 :        9184 :     return descs;
    3532                 :           0 : }
    3533                 :             : 
    3534                 :         806 : LegacyDataSPKM* CWallet::GetLegacyDataSPKM() const
    3535                 :             : {
    3536         [ +  - ]:         806 :     if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3537                 :             :         return nullptr;
    3538                 :             :     }
    3539                 :         806 :     auto it = m_internal_spk_managers.find(OutputType::LEGACY);
    3540         [ +  - ]:         806 :     if (it == m_internal_spk_managers.end()) return nullptr;
    3541         [ +  - ]:         806 :     return dynamic_cast<LegacyDataSPKM*>(it->second);
    3542                 :             : }
    3543                 :             : 
    3544                 :        7540 : void CWallet::AddScriptPubKeyMan(const uint256& id, std::unique_ptr<ScriptPubKeyMan> spkm_man)
    3545                 :             : {
    3546                 :             :     // Add spkm_man to m_spk_managers before calling any method
    3547                 :             :     // that might access it.
    3548                 :        7540 :     const auto& spkm = m_spk_managers[id] = std::move(spkm_man);
    3549                 :             : 
    3550                 :             :     // Update birth time if needed
    3551                 :        7540 :     MaybeUpdateBirthTime(spkm->GetTimeFirstKey());
    3552                 :        7540 : }
    3553                 :             : 
    3554                 :         690 : LegacyDataSPKM* CWallet::GetOrCreateLegacyDataSPKM()
    3555                 :             : {
    3556                 :         690 :     SetupLegacyScriptPubKeyMan();
    3557                 :         690 :     return GetLegacyDataSPKM();
    3558                 :             : }
    3559                 :             : 
    3560                 :         690 : void CWallet::SetupLegacyScriptPubKeyMan()
    3561                 :             : {
    3562   [ +  +  +  -  :         690 :     if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty() || IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
             +  -  -  + ]
    3563                 :         645 :         return;
    3564                 :             :     }
    3565                 :             : 
    3566   [ +  -  -  +  :          45 :     Assert(m_database->Format() == "bdb_ro" || m_database->Format() == "sqlite-mock");
          -  -  -  -  -  
          +  -  +  -  -  
                   -  - ]
    3567                 :          45 :     std::unique_ptr<ScriptPubKeyMan> spk_manager = std::make_unique<LegacyDataSPKM>(*this);
    3568                 :             : 
    3569   [ +  +  +  - ]:         180 :     for (const auto& type : LEGACY_OUTPUT_TYPES) {
    3570         [ +  - ]:         135 :         m_internal_spk_managers[type] = spk_manager.get();
    3571         [ +  - ]:         135 :         m_external_spk_managers[type] = spk_manager.get();
    3572                 :             :     }
    3573         [ +  - ]:          45 :     uint256 id = spk_manager->GetID();
    3574         [ +  - ]:          45 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3575                 :          45 : }
    3576                 :             : 
    3577                 :        2381 : bool CWallet::WithEncryptionKey(std::function<bool (const CKeyingMaterial&)> cb) const
    3578                 :             : {
    3579                 :        2381 :     LOCK(cs_wallet);
    3580   [ +  -  +  - ]:        2381 :     return cb(vMasterKey);
    3581                 :        2381 : }
    3582                 :             : 
    3583                 :      117391 : bool CWallet::HasEncryptionKeys() const
    3584                 :             : {
    3585                 :      117391 :     return !mapMasterKeys.empty();
    3586                 :             : }
    3587                 :             : 
    3588                 :           1 : bool CWallet::HaveCryptedKeys() const
    3589                 :             : {
    3590         [ -  + ]:           1 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
    3591   [ #  #  #  # ]:           0 :         if (spkm->HaveCryptedKeys()) return true;
    3592                 :             :     }
    3593                 :           1 :     return false;
    3594                 :             : }
    3595                 :             : 
    3596                 :        1574 : void CWallet::ConnectScriptPubKeyManNotifiers()
    3597                 :             : {
    3598         [ +  + ]:        9522 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    3599         [ +  - ]:        7948 :         spk_man->NotifyCanGetAddressesChanged.connect([this] {
    3600                 :       61573 :             NotifyCanGetAddressesChanged();
    3601                 :             :         });
    3602         [ +  - ]:       15896 :         spk_man->NotifyFirstKeyTimeChanged.connect([this](const ScriptPubKeyMan*, int64_t time) {
    3603                 :          48 :             MaybeUpdateBirthTime(time);
    3604                 :             :         });
    3605                 :             :     }
    3606                 :        1574 : }
    3607                 :             : 
    3608                 :        2637 : void CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc, const KeyMap& keys, const CryptedKeyMap& ckeys)
    3609                 :             : {
    3610                 :        2637 :     std::unique_ptr<DescriptorScriptPubKeyMan> spk_manager;
    3611   [ +  -  +  + ]:        2637 :     if (IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3612         [ +  - ]:           8 :         spk_manager = ExternalSignerScriptPubKeyMan::LoadFromStorage(*this, desc, m_keypool_size, keys, ckeys);
    3613                 :             :     } else {
    3614         [ +  + ]:        5257 :         spk_manager = DescriptorScriptPubKeyMan::LoadFromStorage(*this, desc, m_keypool_size, keys, ckeys);
    3615                 :             :     }
    3616         [ +  - ]:        2636 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3617                 :        2637 : }
    3618                 :             : 
    3619                 :        3802 : DescriptorScriptPubKeyMan& CWallet::SetupDescriptorScriptPubKeyMan(WalletBatch& batch, const CExtKey& master_key, const OutputType& output_type, bool internal)
    3620                 :             : {
    3621                 :        3802 :     AssertLockHeld(cs_wallet);
    3622         [ -  + ]:        3802 :     if (IsLocked()) {
    3623   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
    3624                 :             :     }
    3625                 :        3802 :     auto spk_manager = DescriptorScriptPubKeyMan::GenerateNewSingleSig(*this, batch, m_keypool_size, master_key, output_type, internal);
    3626         [ +  - ]:        3802 :     DescriptorScriptPubKeyMan* out = spk_manager.get();
    3627         [ +  - ]:        3802 :     uint256 id = spk_manager->GetID();
    3628         [ +  - ]:        3802 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3629         [ +  - ]:        3802 :     AddActiveScriptPubKeyManWithDb(batch, id, output_type, internal);
    3630                 :        3802 :     return *out;
    3631                 :        3802 : }
    3632                 :             : 
    3633                 :         474 : void CWallet::SetupDescriptorScriptPubKeyMans(WalletBatch& batch, const CExtKey& master_key)
    3634                 :             : {
    3635                 :         474 :     AssertLockHeld(cs_wallet);
    3636         [ +  + ]:        1422 :     for (bool internal : {false, true}) {
    3637         [ +  + ]:        4740 :         for (OutputType t : OUTPUT_TYPES) {
    3638                 :        3792 :             SetupDescriptorScriptPubKeyMan(batch, master_key, t, internal);
    3639                 :             :         }
    3640                 :             :     }
    3641                 :         474 : }
    3642                 :             : 
    3643                 :         442 : void CWallet::SetupOwnDescriptorScriptPubKeyMans(WalletBatch& batch)
    3644                 :             : {
    3645                 :         442 :     AssertLockHeld(cs_wallet);
    3646         [ -  + ]:         442 :     assert(!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER));
    3647                 :             :     // Make a seed
    3648                 :         442 :     CKey seed_key = GenerateRandomKey();
    3649         [ +  - ]:         442 :     CPubKey seed = seed_key.GetPubKey();
    3650   [ +  -  -  + ]:         442 :     assert(seed_key.VerifyPubKey(seed));
    3651                 :             : 
    3652                 :             :     // Get the extended key
    3653         [ +  - ]:         442 :     CExtKey master_key;
    3654   [ +  -  +  - ]:         884 :     master_key.SetSeed(seed_key);
    3655                 :             : 
    3656         [ +  - ]:         442 :     SetupDescriptorScriptPubKeyMans(batch, master_key);
    3657                 :         442 : }
    3658                 :             : 
    3659                 :         446 : void CWallet::SetupDescriptorScriptPubKeyMans()
    3660                 :             : {
    3661                 :         446 :     AssertLockHeld(cs_wallet);
    3662                 :             : 
    3663         [ +  + ]:         446 :     if (!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3664   [ +  -  -  + ]:         441 :         if (!RunWithinTxn(GetDatabase(), /*process_desc=*/"setup descriptors", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet){
    3665                 :         441 :             SetupOwnDescriptorScriptPubKeyMans(batch);
    3666                 :         441 :             return true;
    3667         [ #  # ]:           0 :         })) throw std::runtime_error("Error: cannot process db transaction for descriptors setup");
    3668                 :             :     } else {
    3669                 :           5 :         auto signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
    3670   [ +  +  +  -  :           5 :         if (!signer) throw std::runtime_error(util::ErrorString(signer).original);
                   +  - ]
    3671                 :             : 
    3672                 :             :         // TODO: add account parameter
    3673                 :           3 :         int account = 0;
    3674         [ +  - ]:           3 :         UniValue signer_res = signer->GetDescriptors(account);
    3675                 :             : 
    3676   [ -  +  -  -  :           3 :         if (!signer_res.isObject()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
                   -  - ]
    3677                 :             : 
    3678         [ +  - ]:           3 :         WalletBatch batch(GetDatabase());
    3679   [ +  -  -  +  :           3 :         if (!batch.TxnBegin()) throw std::runtime_error("Error: cannot create db transaction for descriptors import");
                   -  - ]
    3680                 :             : 
    3681         [ +  + ]:           7 :         for (bool internal : {false, true}) {
    3682   [ +  +  +  - ]:           8 :             const UniValue& descriptor_vals = signer_res.find_value(internal ? "internal" : "receive");
    3683   [ -  +  -  -  :           5 :             if (!descriptor_vals.isArray()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
                   -  - ]
    3684   [ +  -  +  -  :          21 :             for (const UniValue& desc_val : descriptor_vals.get_array().getValues()) {
                   +  + ]
    3685                 :          17 :                 const std::string& desc_str = desc_val.getValStr();
    3686                 :          17 :                 FlatSigningProvider keys;
    3687         [ -  + ]:          17 :                 std::string desc_error;
    3688   [ -  +  +  - ]:          17 :                 auto descs = Parse(desc_str, keys, desc_error, false);
    3689         [ +  + ]:          17 :                 if (descs.empty()) {
    3690   [ +  -  +  -  :           5 :                     throw std::runtime_error(std::string(__func__) + ": Invalid descriptor \"" + desc_str + "\" (" + desc_error + ")");
             +  -  +  - ]
    3691                 :             :                 }
    3692         [ +  - ]:          16 :                 auto& desc = descs.at(0);
    3693   [ +  -  -  + ]:          16 :                 if (!desc->GetOutputType()) {
    3694                 :           0 :                     continue;
    3695                 :             :                 }
    3696         [ +  - ]:          16 :                 OutputType t =  *desc->GetOutputType();
    3697         [ +  - ]:          16 :                 auto spk_manager = ExternalSignerScriptPubKeyMan::CreateNew(*this, batch, m_keypool_size, std::move(desc));
    3698         [ +  - ]:          16 :                 uint256 id = spk_manager->GetID();
    3699         [ +  - ]:          16 :                 AddScriptPubKeyMan(id, std::move(spk_manager));
    3700         [ +  - ]:          16 :                 AddActiveScriptPubKeyManWithDb(batch, id, t, internal);
    3701                 :          18 :             }
    3702                 :             :         }
    3703                 :             : 
    3704                 :             :         // Ensure imported descriptors are committed to disk
    3705   [ +  -  -  +  :           2 :         if (!batch.TxnCommit()) throw std::runtime_error("Error: cannot commit db transaction for descriptors import");
                   -  - ]
    3706                 :           3 :     }
    3707                 :         443 : }
    3708                 :             : 
    3709                 :         650 : void CWallet::SetupWalletGeneration()
    3710                 :             : {
    3711                 :         650 :     AssertLockHeld(cs_wallet);
    3712                 :             :     // Skip setup for non-external-signer wallets that are either blank
    3713                 :             :     // or have private keys disabled (not having private keys implies blank).
    3714   [ +  +  +  + ]:        1295 :     if (!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER) &&
    3715         [ +  + ]:        1100 :         (IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET) || IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS))) {
    3716                 :         233 :         return;
    3717                 :             :     }
    3718                 :         417 :     SetupDescriptorScriptPubKeyMans();
    3719                 :             : }
    3720                 :             : 
    3721                 :         432 : void CWallet::AddActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3722                 :             : {
    3723                 :         432 :     WalletBatch batch(GetDatabase());
    3724         [ +  - ]:         432 :     return AddActiveScriptPubKeyManWithDb(batch, id, type, internal);
    3725                 :         432 : }
    3726                 :             : 
    3727                 :        4250 : void CWallet::AddActiveScriptPubKeyManWithDb(WalletBatch& batch, uint256 id, OutputType type, bool internal)
    3728                 :             : {
    3729         [ -  + ]:        4250 :     if (!batch.WriteActiveScriptPubKeyMan(static_cast<uint8_t>(type), id, internal)) {
    3730   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing active ScriptPubKeyMan id failed");
    3731                 :             :     }
    3732                 :        4250 :     LoadActiveScriptPubKeyMan(id, type, internal);
    3733                 :        4250 : }
    3734                 :             : 
    3735                 :        6485 : void CWallet::LoadActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3736                 :             : {
    3737                 :             :     // Activating ScriptPubKeyManager for a given output and change type is incompatible with legacy wallets.
    3738                 :             :     // Legacy wallets have only one ScriptPubKeyManager and it's active for all output and change types.
    3739         [ -  + ]:        6485 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    3740                 :             : 
    3741   [ +  +  +  - ]:        9769 :     WalletLogPrintf("Setting spkMan to active: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
    3742         [ +  + ]:        6485 :     auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3743                 :        6485 :     auto& spk_mans_other = internal ? m_external_spk_managers : m_internal_spk_managers;
    3744                 :        6485 :     auto spk_man = m_spk_managers.at(id).get();
    3745                 :        6484 :     spk_mans[type] = spk_man;
    3746                 :             : 
    3747                 :        6484 :     const auto it = spk_mans_other.find(type);
    3748   [ +  +  +  + ]:        6484 :     if (it != spk_mans_other.end() && it->second == spk_man) {
    3749                 :           2 :         spk_mans_other.erase(type);
    3750                 :             :     }
    3751                 :             : 
    3752                 :        6484 :     NotifyCanGetAddressesChanged();
    3753                 :        6484 : }
    3754                 :             : 
    3755                 :         229 : void CWallet::DeactivateScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3756                 :             : {
    3757                 :         229 :     auto spk_man = GetScriptPubKeyMan(type, internal);
    3758   [ +  +  +  + ]:         229 :     if (spk_man != nullptr && spk_man->GetID() == id) {
    3759   [ -  +  +  - ]:           1 :         WalletLogPrintf("Deactivate spkMan: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
    3760                 :           1 :         WalletBatch batch(GetDatabase());
    3761   [ +  -  -  + ]:           1 :         if (!batch.EraseActiveScriptPubKeyMan(static_cast<uint8_t>(type), internal)) {
    3762   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": erasing active ScriptPubKeyMan id failed");
    3763                 :             :         }
    3764                 :             : 
    3765         [ +  - ]:           1 :         auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3766                 :           1 :         spk_mans.erase(type);
    3767                 :           1 :     }
    3768                 :             : 
    3769                 :         229 :     NotifyCanGetAddressesChanged();
    3770                 :         229 : }
    3771                 :             : 
    3772                 :         935 : DescriptorScriptPubKeyMan* CWallet::GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const
    3773                 :             : {
    3774                 :         935 :     auto spk_man_pair = m_spk_managers.find(desc.id);
    3775                 :             : 
    3776         [ +  + ]:         935 :     if (spk_man_pair != m_spk_managers.end()) {
    3777                 :             :         // Try to downcast to DescriptorScriptPubKeyMan then check if the descriptors match
    3778         [ +  - ]:          22 :         DescriptorScriptPubKeyMan* spk_manager = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man_pair->second.get());
    3779   [ +  -  +  - ]:          22 :         if (spk_manager != nullptr && spk_manager->HasWalletDescriptor(desc)) {
    3780                 :          22 :             return spk_manager;
    3781                 :             :         }
    3782                 :             :     }
    3783                 :             : 
    3784                 :             :     return nullptr;
    3785                 :             : }
    3786                 :             : 
    3787                 :       25958 : std::optional<bool> CWallet::IsInternalScriptPubKeyMan(ScriptPubKeyMan* spk_man) const
    3788                 :             : {
    3789                 :             :     // only active ScriptPubKeyMan can be internal
    3790         [ +  + ]:       25958 :     if (!GetActiveScriptPubKeyMans().contains(spk_man)) {
    3791                 :        8277 :         return std::nullopt;
    3792                 :             :     }
    3793                 :             : 
    3794         [ +  - ]:       17681 :     const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man);
    3795         [ -  + ]:       17681 :     if (!desc_spk_man) {
    3796   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": unexpected ScriptPubKeyMan type.");
    3797                 :             :     }
    3798                 :             : 
    3799                 :       17681 :     LOCK(desc_spk_man->cs_desc_man);
    3800   [ +  -  +  - ]:       17681 :     const auto& type = desc_spk_man->GetWalletDescriptor().descriptor->GetOutputType();
    3801         [ -  + ]:       17681 :     assert(type.has_value());
    3802                 :             : 
    3803   [ +  -  +  - ]:       17681 :     return GetScriptPubKeyMan(*type, /* internal= */ true) == desc_spk_man;
    3804                 :       17681 : }
    3805                 :             : 
    3806                 :         932 : util::Result<std::reference_wrapper<DescriptorScriptPubKeyMan>> CWallet::AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label, bool internal)
    3807                 :             : {
    3808                 :         932 :     AssertLockHeld(cs_wallet);
    3809                 :             : 
    3810         [ -  + ]:         932 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    3811                 :             : 
    3812                 :         932 :     auto spk_man = GetDescriptorScriptPubKeyMan(desc);
    3813         [ +  + ]:         932 :     if (spk_man) {
    3814         [ +  - ]:          21 :         WalletLogPrintf("Update existing descriptor: %s\n", desc.descriptor->ToString());
    3815         [ +  + ]:          21 :         if (auto spkm_res = spk_man->UpdateWalletDescriptor(desc, signing_provider); !spkm_res) {
    3816         [ +  - ]:           9 :             return util::Error{util::ErrorString(spkm_res)};
    3817                 :          21 :         }
    3818                 :             :     } else {
    3819                 :         911 :         auto new_spk_man = DescriptorScriptPubKeyMan::CreateFromImport(*this, desc, m_keypool_size, signing_provider);
    3820         [ +  - ]:         910 :         spk_man = new_spk_man.get();
    3821                 :             : 
    3822                 :             :         // Save the descriptor to memory
    3823         [ +  - ]:         910 :         uint256 id = new_spk_man->GetID();
    3824         [ +  - ]:         910 :         AddScriptPubKeyMan(id, std::move(new_spk_man));
    3825                 :             : 
    3826                 :             :         // Write the existing cache to disk
    3827         [ +  - ]:         910 :         WalletBatch batch(GetDatabase());
    3828   [ +  -  -  + ]:         910 :         if (!batch.WriteDescriptorCacheItems(id, desc.cache)) {
    3829         [ #  # ]:           0 :             return util::Error{_("Unable to write descriptor cache")};
    3830                 :             :         }
    3831                 :         910 :     }
    3832                 :             : 
    3833                 :             :     // Apply the label if necessary
    3834                 :             :     // Note: we disable labels for descriptors that are ranged or that don't produce output scripts (i.e. unused())
    3835   [ +  +  +  + ]:         928 :     if (!desc.descriptor->IsRange() && desc.descriptor->HasScripts()) {
    3836                 :         344 :         auto script_pub_keys = spk_man->GetScriptPubKeys();
    3837         [ -  + ]:         344 :         if (script_pub_keys.empty()) {
    3838         [ #  # ]:           0 :             return util::Error{_("Could not generate scriptPubKeys (cache is empty)")};
    3839                 :             :         }
    3840                 :             : 
    3841         [ +  + ]:         344 :         if (!internal) {
    3842   [ +  +  +  - ]:        1245 :             for (const auto& script : script_pub_keys) {
    3843                 :         901 :                 CTxDestination dest;
    3844   [ +  +  +  - ]:         901 :                 if (ExtractDestination(script, dest)) {
    3845         [ +  - ]:         705 :                     SetAddressBook(dest, label, AddressPurpose::RECEIVE);
    3846                 :             :                 }
    3847                 :         901 :             }
    3848                 :             :         }
    3849                 :         344 :     }
    3850                 :             : 
    3851                 :             :     // Save the descriptor to DB
    3852                 :         928 :     spk_man->WriteDescriptor();
    3853                 :             : 
    3854                 :             :     // Break balance caches so that outputs that are now IsMine in already known txs will be included in the balance
    3855                 :         928 :     MarkDirty();
    3856                 :             : 
    3857                 :         928 :     return std::reference_wrapper(*spk_man);
    3858                 :             : }
    3859                 :             : 
    3860                 :          45 : bool CWallet::MigrateToSQLite(bilingual_str& error)
    3861                 :             : {
    3862                 :          45 :     AssertLockHeld(cs_wallet);
    3863                 :             : 
    3864                 :          45 :     WalletLogPrintf("Migrating wallet storage database from BerkeleyDB to SQLite.\n");
    3865                 :             : 
    3866         [ -  + ]:          45 :     if (m_database->Format() == "sqlite") {
    3867                 :           0 :         error = _("Error: This wallet already uses SQLite");
    3868                 :           0 :         return false;
    3869                 :             :     }
    3870                 :             : 
    3871                 :             :     // Get all of the records for DB type migration
    3872                 :          45 :     std::unique_ptr<DatabaseBatch> batch = m_database->MakeBatch();
    3873         [ +  - ]:          45 :     std::unique_ptr<DatabaseCursor> cursor = batch->GetNewCursor();
    3874                 :          45 :     std::vector<std::pair<SerializeData, SerializeData>> records;
    3875         [ -  + ]:          45 :     if (!cursor) {
    3876         [ #  # ]:           0 :         error = _("Error: Unable to begin reading all records in the database");
    3877                 :           0 :         return false;
    3878                 :             :     }
    3879                 :        1270 :     DatabaseCursor::Status status = DatabaseCursor::Status::FAIL;
    3880                 :        2495 :     while (true) {
    3881                 :        1270 :         DataStream ss_key{};
    3882                 :        1270 :         DataStream ss_value{};
    3883         [ +  - ]:        1270 :         status = cursor->Next(ss_key, ss_value);
    3884         [ +  + ]:        1270 :         if (status != DatabaseCursor::Status::MORE) {
    3885                 :             :             break;
    3886                 :             :         }
    3887         [ +  - ]:        1225 :         SerializeData key(ss_key.begin(), ss_key.end());
    3888         [ +  - ]:        1225 :         SerializeData value(ss_value.begin(), ss_value.end());
    3889         [ +  - ]:        1225 :         records.emplace_back(key, value);
    3890                 :        1270 :     }
    3891         [ +  - ]:          45 :     cursor.reset();
    3892         [ +  - ]:          45 :     batch.reset();
    3893         [ -  + ]:          45 :     if (status != DatabaseCursor::Status::DONE) {
    3894         [ #  # ]:           0 :         error = _("Error: Unable to read all records in the database");
    3895                 :           0 :         return false;
    3896                 :             :     }
    3897                 :             : 
    3898                 :             :     // Close this database and delete the file
    3899   [ +  -  +  - ]:          45 :     fs::path db_path = fs::PathFromString(m_database->Filename());
    3900         [ +  - ]:          45 :     m_database->Close();
    3901         [ +  - ]:          45 :     fs::remove(db_path);
    3902                 :             : 
    3903                 :             :     // Generate the path for the location of the migrated wallet
    3904                 :             :     // Wallets that are plain files rather than wallet directories will be migrated to be wallet directories.
    3905   [ +  -  +  -  :          90 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(m_name));
                   +  - ]
    3906                 :             : 
    3907                 :             :     // Make new DB
    3908         [ +  - ]:          45 :     DatabaseOptions opts;
    3909                 :          45 :     opts.require_create = true;
    3910                 :          45 :     opts.require_format = DatabaseFormat::SQLITE;
    3911                 :          45 :     DatabaseStatus db_status;
    3912         [ +  - ]:          45 :     std::unique_ptr<WalletDatabase> new_db = MakeDatabase(wallet_path, opts, db_status, error);
    3913         [ -  + ]:          45 :     assert(new_db); // This is to prevent doing anything further with this wallet. The original file was deleted, but a backup exists.
    3914         [ +  - ]:          45 :     m_database.reset();
    3915                 :          45 :     m_database = std::move(new_db);
    3916                 :             : 
    3917                 :             :     // Write existing records into the new DB
    3918         [ +  - ]:          90 :     batch = m_database->MakeBatch();
    3919         [ +  - ]:          45 :     bool began = batch->TxnBegin();
    3920         [ -  + ]:          45 :     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.
    3921   [ -  +  +  + ]:        1270 :     for (const auto& [key, value] : records) {
    3922   [ -  +  -  +  :        1225 :         if (!batch->Write(std::span{key}, std::span{value})) {
             +  -  -  + ]
    3923         [ #  # ]:           0 :             batch->TxnAbort();
    3924         [ #  # ]:           0 :             m_database->Close();
    3925   [ #  #  #  #  :           0 :             fs::remove(m_database->Filename());
                   #  # ]
    3926                 :           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.
    3927                 :             :         }
    3928                 :             :     }
    3929         [ +  - ]:          45 :     bool committed = batch->TxnCommit();
    3930         [ -  + ]:          45 :     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.
    3931                 :          45 :     return true;
    3932                 :         135 : }
    3933                 :             : 
    3934                 :          42 : std::optional<MigrationData> CWallet::GetDescriptorsForLegacy(bilingual_str& error) const
    3935                 :             : {
    3936                 :          42 :     AssertLockHeld(cs_wallet);
    3937                 :             : 
    3938                 :          42 :     LegacyDataSPKM* legacy_spkm = GetLegacyDataSPKM();
    3939         [ -  + ]:          42 :     if (!Assume(legacy_spkm)) {
    3940                 :             :         // This shouldn't happen
    3941         [ #  # ]:           0 :         error = Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"));
    3942                 :           0 :         return std::nullopt;
    3943                 :             :     }
    3944                 :             : 
    3945                 :          42 :     std::optional<MigrationData> res = legacy_spkm->MigrateToDescriptor();
    3946         [ -  + ]:          42 :     if (res == std::nullopt) {
    3947         [ #  # ]:           0 :         error = _("Error: Unable to produce descriptors for this legacy wallet. Make sure to provide the wallet's passphrase if it is encrypted.");
    3948                 :           0 :         return std::nullopt;
    3949                 :             :     }
    3950                 :          42 :     return res;
    3951                 :          42 : }
    3952                 :             : 
    3953                 :          38 : util::Result<void> CWallet::ApplyMigrationData(WalletBatch& local_wallet_batch, MigrationData& data)
    3954                 :             : {
    3955                 :          38 :     AssertLockHeld(cs_wallet);
    3956                 :             : 
    3957                 :          38 :     LegacyDataSPKM* legacy_spkm = GetLegacyDataSPKM();
    3958         [ -  + ]:          38 :     if (!Assume(legacy_spkm)) {
    3959                 :             :         // This shouldn't happen
    3960         [ #  # ]:           0 :         return util::Error{Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"))};
    3961                 :             :     }
    3962                 :             : 
    3963                 :             :     // Note: when the legacy wallet has no spendable scripts, it must be empty at the end of the process.
    3964   [ +  +  -  + ]:          38 :     bool has_spendable_material = !data.desc_spkms.empty() || data.master_key.key.IsValid();
    3965                 :             : 
    3966                 :             :     // Get all invalid or non-watched scripts that will not be migrated
    3967         [ +  - ]:          38 :     std::set<CTxDestination> not_migrated_dests;
    3968   [ +  -  +  +  :          42 :     for (const auto& script : legacy_spkm->GetNotMineScriptPubKeys()) {
                   +  - ]
    3969                 :           4 :         CTxDestination dest;
    3970   [ +  -  +  -  :           4 :         if (ExtractDestination(script, dest)) not_migrated_dests.emplace(dest);
                   +  - ]
    3971                 :           4 :     }
    3972                 :             : 
    3973                 :             :     // When the legacy wallet has no spendable scripts, the main wallet will be empty, leaving its script cache empty as well.
    3974                 :             :     // The watch-only and/or solvable wallet(s) will contain the scripts in their respective caches.
    3975         [ +  + ]:          38 :     if (!data.desc_spkms.empty()) Assume(!m_cached_spks.empty());
    3976         [ +  + ]:          38 :     if (!data.watch_descs.empty()) Assume(!data.watchonly_wallet->m_cached_spks.empty());
    3977         [ +  + ]:          38 :     if (!data.solvable_descs.empty()) Assume(!data.solvable_wallet->m_cached_spks.empty());
    3978                 :             : 
    3979         [ +  + ]:         169 :     for (auto& desc_spkm : data.desc_spkms) {
    3980   [ +  -  -  + ]:         131 :         if (m_spk_managers.contains(desc_spkm->GetID())) {
    3981         [ #  # ]:           0 :             return util::Error{_("Error: Duplicate descriptors created during migration. Your wallet may be corrupted.")};
    3982                 :             :         }
    3983         [ +  - ]:         131 :         uint256 id = desc_spkm->GetID();
    3984         [ +  - ]:         131 :         AddScriptPubKeyMan(id, std::move(desc_spkm));
    3985                 :             :     }
    3986                 :             : 
    3987                 :             :     // Remove the LegacyScriptPubKeyMan from disk
    3988   [ +  -  -  + ]:          38 :     if (!legacy_spkm->DeleteRecordsWithDB(local_wallet_batch)) {
    3989         [ #  # ]:           0 :         return util::Error{_("Error: cannot remove legacy wallet records")};
    3990                 :             :     }
    3991                 :             : 
    3992                 :             :     // Remove the LegacyScriptPubKeyMan from memory
    3993         [ +  - ]:          38 :     m_spk_managers.erase(legacy_spkm->GetID());
    3994                 :          38 :     m_external_spk_managers.clear();
    3995                 :          38 :     m_internal_spk_managers.clear();
    3996                 :             : 
    3997                 :             :     // Setup new descriptors (only if we are migrating any key material)
    3998         [ +  - ]:          38 :     SetWalletFlagWithDB(local_wallet_batch, WALLET_FLAG_DESCRIPTORS | WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
    3999   [ +  +  +  -  :          38 :     if (has_spendable_material && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
                   +  + ]
    4000                 :             :         // Use the existing master key if we have it
    4001         [ +  + ]:          33 :         if (data.master_key.key.IsValid()) {
    4002         [ +  - ]:          32 :             SetupDescriptorScriptPubKeyMans(local_wallet_batch, data.master_key);
    4003                 :             :         } else {
    4004                 :             :             // Setup with a new seed if we don't.
    4005         [ +  - ]:           1 :             SetupOwnDescriptorScriptPubKeyMans(local_wallet_batch);
    4006                 :             :         }
    4007                 :             :     }
    4008                 :             : 
    4009                 :             :     // Get best block locator so that we can copy it to the watchonly and solvables
    4010                 :             :     // Note: The best block locator was introduced in #152 so ancient wallets do not have it
    4011                 :          38 :     CBlockLocator best_block_locator;
    4012         [ +  - ]:          38 :     (void)local_wallet_batch.ReadBestBlock(best_block_locator);
    4013                 :             : 
    4014                 :             :     // Update m_txos to match the descriptors remaining in this wallet
    4015                 :          38 :     m_txos.clear();
    4016         [ +  - ]:          38 :     RefreshAllTXOs();
    4017                 :             : 
    4018                 :             :     // Check if the transactions in the wallet are still ours. Either they belong here, or they belong in the watchonly wallet.
    4019                 :             :     // We need to go through these in the tx insertion order so that lookups to spends works.
    4020                 :          38 :     std::vector<Txid> txids_to_delete;
    4021                 :          38 :     std::unique_ptr<WalletBatch> watchonly_batch;
    4022         [ +  + ]:          38 :     if (data.watchonly_wallet) {
    4023         [ +  - ]:          24 :         watchonly_batch = std::make_unique<WalletBatch>(data.watchonly_wallet->GetDatabase());
    4024   [ +  -  -  +  :          12 :         if (!watchonly_batch->TxnBegin()) return util::Error{strprintf(_("Error: database transaction cannot be executed for wallet %s"), data.watchonly_wallet->GetName())};
                   -  - ]
    4025                 :             :         // Copy the next tx order pos to the watchonly wallet
    4026         [ +  - ]:          12 :         LOCK(data.watchonly_wallet->cs_wallet);
    4027         [ +  - ]:          12 :         data.watchonly_wallet->nOrderPosNext = nOrderPosNext;
    4028         [ +  - ]:          12 :         watchonly_batch->WriteOrderPosNext(data.watchonly_wallet->nOrderPosNext);
    4029                 :             :         // Write the locator record. An empty locator is valid and triggers rescan on load.
    4030   [ +  -  -  + ]:          12 :         if (!watchonly_batch->WriteBestBlock(best_block_locator)) {
    4031   [ #  #  #  # ]:           0 :             return util::Error{_("Error: Unable to write watchonly wallet best block locator record")};
    4032                 :             :         }
    4033                 :          12 :     }
    4034                 :          38 :     std::unique_ptr<WalletBatch> solvables_batch;
    4035         [ +  + ]:          38 :     if (data.solvable_wallet) {
    4036         [ +  - ]:          12 :         solvables_batch = std::make_unique<WalletBatch>(data.solvable_wallet->GetDatabase());
    4037   [ +  -  -  +  :           6 :         if (!solvables_batch->TxnBegin()) return util::Error{strprintf(_("Error: database transaction cannot be executed for wallet %s"), data.solvable_wallet->GetName())};
                   -  - ]
    4038                 :             :         // Write the locator record. An empty locator is valid and triggers rescan on load.
    4039   [ +  -  -  + ]:           6 :         if (!solvables_batch->WriteBestBlock(best_block_locator)) {
    4040         [ #  # ]:           0 :             return util::Error{_("Error: Unable to write solvable wallet best block locator record")};
    4041                 :             :         }
    4042                 :             :     }
    4043   [ +  -  +  + ]:          95 :     for (const auto& [_pos, wtx] : wtxOrdered) {
    4044                 :             :         // Check it is the watchonly wallet's
    4045                 :             :         // solvable_wallet doesn't need to be checked because transactions for those scripts weren't being watched for
    4046   [ +  -  +  +  :          57 :         bool is_mine = IsMine(*wtx->tx) || IsFromMe(*wtx->tx);
             +  -  +  + ]
    4047         [ +  + ]:          57 :         if (data.watchonly_wallet) {
    4048         [ +  - ]:          22 :             LOCK(data.watchonly_wallet->cs_wallet);
    4049   [ +  -  +  +  :          22 :             if (data.watchonly_wallet->IsMine(*wtx->tx) || data.watchonly_wallet->IsFromMe(*wtx->tx)) {
             +  -  +  + ]
    4050                 :             :                 // Add to watchonly wallet
    4051         [ +  - ]:          14 :                 const Txid& hash = wtx->GetHash();
    4052                 :          14 :                 const CWalletTx& to_copy_wtx = *wtx;
    4053   [ +  -  -  + ]:          14 :                 if (!data.watchonly_wallet->LoadToWallet(hash, [&](CWalletTx& ins_wtx, bool new_tx) EXCLUSIVE_LOCKS_REQUIRED(data.watchonly_wallet->cs_wallet) {
    4054         [ +  - ]:          14 :                     if (!new_tx) return false;
    4055   [ +  -  -  + ]:          28 :                     ins_wtx.SetTx(to_copy_wtx.tx);
    4056                 :          14 :                     ins_wtx.CopyFrom(to_copy_wtx);
    4057                 :          14 :                     return true;
    4058                 :             :                 })) {
    4059   [ #  #  #  #  :           0 :                     return util::Error{strprintf(_("Error: Could not add watchonly tx %s to watchonly wallet"), wtx->GetHash().GetHex())};
                   #  # ]
    4060                 :             :                 }
    4061   [ +  -  +  - ]:          14 :                 watchonly_batch->WriteTx(data.watchonly_wallet->mapWallet.at(hash));
    4062                 :             :                 // Mark as to remove from the migrated wallet only if it does not also belong to it
    4063         [ +  + ]:          14 :                 if (!is_mine) {
    4064         [ +  - ]:          11 :                     txids_to_delete.push_back(hash);
    4065         [ +  - ]:          11 :                     continue;
    4066                 :             :                 }
    4067                 :             :             }
    4068                 :          22 :         }
    4069         [ -  + ]:          46 :         if (!is_mine) {
    4070                 :             :             // Both not ours and not in the watchonly wallet
    4071   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Error: Transaction %s in wallet cannot be identified to belong to migrated wallets"), wtx->GetHash().GetHex())};
    4072                 :             :         }
    4073                 :             :         // Rewrite the transaction so that anything that may have changed about it in memory also persists to disk
    4074         [ +  - ]:          46 :         local_wallet_batch.WriteTx(*wtx);
    4075                 :             :     }
    4076                 :             : 
    4077                 :             :     // Do the removes
    4078   [ -  +  +  + ]:          38 :     if (txids_to_delete.size() > 0) {
    4079   [ +  -  -  + ]:           6 :         if (auto res = RemoveTxs(local_wallet_batch, txids_to_delete); !res) {
    4080   [ #  #  #  # ]:           0 :             return util::Error{_("Error: Could not delete watchonly transactions. ") + util::ErrorString(res)};
    4081                 :           6 :         }
    4082                 :             :     }
    4083                 :             : 
    4084                 :             :     // Pair external wallets with their corresponding db handler
    4085                 :          38 :     std::vector<std::pair<std::shared_ptr<CWallet>, std::unique_ptr<WalletBatch>>> wallets_vec;
    4086   [ +  +  +  - ]:          38 :     if (data.watchonly_wallet) wallets_vec.emplace_back(data.watchonly_wallet, std::move(watchonly_batch));
    4087   [ +  +  +  - ]:          38 :     if (data.solvable_wallet) wallets_vec.emplace_back(data.solvable_wallet, std::move(solvables_batch));
    4088                 :             : 
    4089                 :             :     // Write address book entry to disk
    4090                 :          99 :     auto func_store_addr = [](WalletBatch& batch, const CTxDestination& dest, const CAddressBookData& entry) {
    4091                 :          61 :         auto address{EncodeDestination(dest)};
    4092   [ +  -  +  -  :         122 :         if (entry.purpose) batch.WritePurpose(address, PurposeToString(*entry.purpose));
                   +  - ]
    4093   [ +  -  +  - ]:          61 :         if (entry.label) batch.WriteName(address, *entry.label);
    4094   [ -  -  -  + ]:          61 :         for (const auto& [id, request] : entry.receive_requests) {
    4095         [ #  # ]:           0 :             batch.WriteAddressReceiveRequest(dest, id, request);
    4096                 :             :         }
    4097   [ +  +  +  - ]:          61 :         if (entry.previously_spent) batch.WriteAddressPreviouslySpent(dest, true);
    4098                 :          61 :     };
    4099                 :             : 
    4100                 :             :     // Check the address book data in the same way we did for transactions
    4101                 :          38 :     std::vector<CTxDestination> dests_to_delete;
    4102   [ +  -  +  + ]:         127 :     for (const auto& [dest, record] : m_address_book) {
    4103                 :             :         // Ensure "receive" entries that are no longer part of the original wallet are transferred to another wallet
    4104                 :             :         // Entries for everything else ("send") will be cloned to all wallets.
    4105   [ +  -  +  -  :         170 :         bool require_transfer = record.purpose == AddressPurpose::RECEIVE && !IsMine(dest);
                   +  + ]
    4106                 :          89 :         bool copied = false;
    4107   [ +  -  +  + ]:         127 :         for (auto& [wallet, batch] : wallets_vec) {
    4108         [ +  - ]:          62 :             LOCK(wallet->cs_wallet);
    4109   [ +  +  +  -  :          62 :             if (require_transfer && !wallet->IsMine(dest)) continue;
             +  +  +  - ]
    4110                 :             : 
    4111                 :             :             // Copy the entire address book entry
    4112   [ +  -  +  - ]:          61 :             wallet->m_address_book[dest] = record;
    4113         [ +  - ]:          61 :             func_store_addr(*batch, dest, record);
    4114                 :             : 
    4115                 :          61 :             copied = true;
    4116                 :             :             // Only delete 'receive' records that are no longer part of the original wallet
    4117         [ +  + ]:          61 :             if (require_transfer) {
    4118         [ +  - ]:          24 :                 dests_to_delete.push_back(dest);
    4119         [ +  - ]:          24 :                 break;
    4120                 :             :             }
    4121                 :          62 :         }
    4122                 :             : 
    4123                 :             :         // Fail immediately if we ever found an entry that was ours and cannot be transferred
    4124                 :             :         // to any of the created wallets (watch-only, solvable).
    4125                 :             :         // Means that no inferred descriptor maps to the stored entry. Which mustn't happen.
    4126         [ +  + ]:          89 :         if (require_transfer && !copied) {
    4127                 :             : 
    4128                 :             :             // Skip invalid/non-watched scripts that will not be migrated
    4129         [ +  - ]:           4 :             if (not_migrated_dests.contains(dest)) {
    4130         [ +  - ]:           4 :                 dests_to_delete.push_back(dest);
    4131                 :           4 :                 continue;
    4132                 :             :             }
    4133                 :             : 
    4134         [ #  # ]:           0 :             return util::Error{_("Error: Address book data in wallet cannot be identified to belong to migrated wallets")};
    4135                 :             :         }
    4136                 :             :     }
    4137                 :             : 
    4138                 :             :     // Persist external wallets address book entries
    4139   [ +  -  +  + ]:          56 :     for (auto& [wallet, batch] : wallets_vec) {
    4140   [ +  -  -  + ]:          18 :         if (!batch->TxnCommit()) {
    4141         [ #  # ]:           0 :             return util::Error{strprintf(_("Error: Unable to write data to disk for wallet %s"), wallet->GetName())};
    4142                 :             :         }
    4143                 :             :     }
    4144                 :             : 
    4145                 :             :     // Remove the things to delete in this wallet
    4146   [ -  +  +  + ]:          38 :     if (dests_to_delete.size() > 0) {
    4147         [ +  + ]:          40 :         for (const auto& dest : dests_to_delete) {
    4148   [ +  -  -  + ]:          28 :             if (!DelAddressBookWithDB(local_wallet_batch, dest)) {
    4149         [ #  # ]:           0 :                 return util::Error{_("Error: Unable to remove watchonly address book data")};
    4150                 :             :             }
    4151                 :             :         }
    4152                 :             :     }
    4153                 :             : 
    4154                 :             :     // If there was no key material in the main wallet, there should be no records on it anymore.
    4155                 :             :     // This wallet will be discarded at the end of the process. Only wallets that contain the
    4156                 :             :     // migrated records will be presented to the user.
    4157         [ +  + ]:          38 :     if (!has_spendable_material) {
    4158   [ -  +  -  - ]:           3 :         if (!m_address_book.empty()) return util::Error{_("Error: Not all address book records were migrated")};
    4159   [ -  +  -  - ]:           3 :         if (!mapWallet.empty()) return util::Error{_("Error: Not all transaction records were migrated")};
    4160                 :             :     }
    4161                 :             : 
    4162                 :          38 :     return {}; // all good
    4163                 :          76 : }
    4164                 :             : 
    4165                 :      144578 : bool CWallet::CanGrindR() const
    4166                 :             : {
    4167                 :      144578 :     return !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
    4168                 :             : }
    4169                 :             : 
    4170                 :             : // Returns wallet prefix for migration.
    4171                 :             : // Used to name the backup file and newly created wallets.
    4172                 :             : // E.g. a watch-only wallet is named "<prefix>_watchonly".
    4173                 :          29 : static std::string MigrationPrefixName(CWallet& wallet)
    4174                 :             : {
    4175         [ +  + ]:          29 :     const std::string& name{wallet.GetName()};
    4176         [ +  + ]:          29 :     return name.empty() ? "default_wallet" : name;
    4177                 :             : }
    4178                 :             : 
    4179                 :          42 : bool DoMigration(CWallet& wallet, WalletContext& context, bilingual_str& error, MigrationResult& res, const bool load_on_startup = true) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
    4180                 :             : {
    4181                 :          42 :     AssertLockHeld(wallet.cs_wallet);
    4182                 :             : 
    4183                 :             :     // Get all of the descriptors from the legacy wallet
    4184                 :          42 :     std::optional<MigrationData> data = wallet.GetDescriptorsForLegacy(error);
    4185         [ +  - ]:          42 :     if (data == std::nullopt) return false;
    4186                 :             : 
    4187                 :             :     // Create the watchonly and solvable wallets if necessary
    4188   [ -  +  +  +  :          42 :     if (data->watch_descs.size() > 0 || data->solvable_descs.size() > 0) {
             -  +  +  + ]
    4189         [ +  - ]:          17 :         DatabaseOptions options;
    4190                 :          17 :         options.require_existing = false;
    4191                 :          17 :         options.require_create = true;
    4192                 :          17 :         options.require_format = DatabaseFormat::SQLITE;
    4193                 :             : 
    4194         [ +  - ]:          17 :         WalletContext empty_context;
    4195                 :          17 :         empty_context.args = context.args;
    4196                 :             : 
    4197                 :             :         // Make the wallets
    4198                 :          17 :         options.create_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET | WALLET_FLAG_DESCRIPTORS;
    4199   [ +  -  +  + ]:          17 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    4200                 :           1 :             options.create_flags |= WALLET_FLAG_AVOID_REUSE;
    4201                 :             :         }
    4202   [ +  -  +  + ]:          17 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
    4203                 :          13 :             options.create_flags |= WALLET_FLAG_KEY_ORIGIN_METADATA;
    4204                 :             :         }
    4205   [ -  +  +  + ]:          17 :         if (data->watch_descs.size() > 0) {
    4206         [ +  - ]:          16 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the watched scripts\n");
    4207                 :             : 
    4208                 :          16 :             DatabaseStatus status;
    4209                 :          16 :             std::vector<bilingual_str> warnings;
    4210         [ +  - ]:          32 :             std::string wallet_name = MigrationPrefixName(wallet) + "_watchonly";
    4211         [ +  - ]:          16 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4212         [ +  + ]:          16 :             if (!database) {
    4213         [ +  - ]:           3 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4214                 :           3 :                 return false;
    4215                 :             :             }
    4216                 :             : 
    4217   [ +  -  -  + ]:          13 :             data->watchonly_wallet = CWallet::CreateNew(empty_context, wallet_name, std::move(database), options.create_flags, /*born_encrypted=*/false, error, warnings);
    4218         [ -  + ]:          13 :             if (!data->watchonly_wallet) {
    4219         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4220                 :           0 :                 return false;
    4221                 :             :             }
    4222                 :          13 :             res.watchonly_wallet = data->watchonly_wallet;
    4223         [ +  - ]:          13 :             LOCK(data->watchonly_wallet->cs_wallet);
    4224                 :             : 
    4225                 :             :             // Parse the descriptors and add them to the new wallet
    4226         [ +  + ]:          50 :             for (const auto& [desc_str, creation_time] : data->watch_descs) {
    4227                 :             :                 // Parse the descriptor
    4228                 :          37 :                 FlatSigningProvider keys;
    4229         [ -  + ]:          37 :                 std::string parse_err;
    4230   [ -  +  +  - ]:          37 :                 std::vector<std::unique_ptr<Descriptor>> descs = Parse(desc_str, keys, parse_err, /*require_checksum=*/ true);
    4231   [ -  +  -  + ]:          37 :                 assert(descs.size() == 1); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor or a multipath descriptors
    4232   [ +  -  +  -  :          37 :                 assert(!descs.at(0)->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
                   -  + ]
    4233                 :             : 
    4234                 :             :                 // Add to the wallet
    4235   [ +  -  +  -  :          37 :                 WalletDescriptor w_desc(std::move(descs.at(0)), creation_time, 0, 0, 0);
                   +  - ]
    4236   [ +  -  +  -  :          74 :                 if (auto spkm_res = data->watchonly_wallet->AddWalletDescriptor(w_desc, keys, "", false); !spkm_res) {
                   -  + ]
    4237   [ #  #  #  # ]:           0 :                     throw std::runtime_error(util::ErrorString(spkm_res).original);
    4238                 :           0 :                 }
    4239                 :          37 :             }
    4240                 :             : 
    4241                 :             :             // Add the wallet to settings
    4242         [ +  - ]:          13 :             UpdateWalletSetting(*context.chain, wallet_name, load_on_startup, warnings);
    4243                 :          16 :         }
    4244   [ -  +  +  + ]:          14 :         if (data->solvable_descs.size() > 0) {
    4245         [ +  - ]:           7 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the unwatched solvable scripts\n");
    4246                 :             : 
    4247                 :           7 :             DatabaseStatus status;
    4248                 :           7 :             std::vector<bilingual_str> warnings;
    4249         [ +  - ]:          14 :             std::string wallet_name = MigrationPrefixName(wallet) + "_solvables";
    4250         [ +  - ]:           7 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4251         [ +  + ]:           7 :             if (!database) {
    4252         [ +  - ]:           1 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4253                 :           1 :                 return false;
    4254                 :             :             }
    4255                 :             : 
    4256   [ +  -  -  + ]:           6 :             data->solvable_wallet = CWallet::CreateNew(empty_context, wallet_name, std::move(database), options.create_flags, /*born_encrypted=*/false, error, warnings);
    4257         [ -  + ]:           6 :             if (!data->solvable_wallet) {
    4258         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4259                 :           0 :                 return false;
    4260                 :             :             }
    4261                 :           6 :             res.solvables_wallet = data->solvable_wallet;
    4262         [ +  - ]:           6 :             LOCK(data->solvable_wallet->cs_wallet);
    4263                 :             : 
    4264                 :             :             // Parse the descriptors and add them to the new wallet
    4265         [ +  + ]:          21 :             for (const auto& [desc_str, creation_time] : data->solvable_descs) {
    4266                 :             :                 // Parse the descriptor
    4267                 :          15 :                 FlatSigningProvider keys;
    4268         [ -  + ]:          15 :                 std::string parse_err;
    4269   [ -  +  +  - ]:          15 :                 std::vector<std::unique_ptr<Descriptor>> descs = Parse(desc_str, keys, parse_err, /*require_checksum=*/ true);
    4270   [ -  +  -  + ]:          15 :                 assert(descs.size() == 1); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor or a multipath descriptors
    4271   [ +  -  +  -  :          15 :                 assert(!descs.at(0)->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
                   -  + ]
    4272                 :             : 
    4273                 :             :                 // Add to the wallet
    4274   [ +  -  +  -  :          15 :                 WalletDescriptor w_desc(std::move(descs.at(0)), creation_time, 0, 0, 0);
                   +  - ]
    4275   [ +  -  +  -  :          30 :                 if (auto spkm_res = data->solvable_wallet->AddWalletDescriptor(w_desc, keys, "", false); !spkm_res) {
                   -  + ]
    4276   [ #  #  #  # ]:           0 :                     throw std::runtime_error(util::ErrorString(spkm_res).original);
    4277                 :           0 :                 }
    4278                 :          15 :             }
    4279                 :             : 
    4280                 :             :             // Add the wallet to settings
    4281         [ +  - ]:           6 :             UpdateWalletSetting(*context.chain, wallet_name, load_on_startup, warnings);
    4282                 :           7 :         }
    4283                 :          17 :     }
    4284                 :             : 
    4285                 :             :     // Add the descriptors to wallet, remove LegacyScriptPubKeyMan, and cleanup txs and address book data
    4286   [ +  -  +  - ]:          38 :     return RunWithinTxn(wallet.GetDatabase(), /*process_desc=*/"apply migration process", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet){
    4287         [ -  + ]:          38 :         if (auto res_migration = wallet.ApplyMigrationData(batch, *data); !res_migration) {
    4288         [ #  # ]:           0 :             error = util::ErrorString(res_migration);
    4289                 :           0 :             return false;
    4290                 :           0 :         }
    4291                 :          38 :         wallet.WalletLogPrintf("Wallet migration complete.\n");
    4292                 :          38 :         return true;
    4293                 :             :     });
    4294                 :          42 : }
    4295                 :             : 
    4296                 :          51 : util::Result<MigrationResult> MigrateLegacyToDescriptor(const std::string& wallet_name, const SecureString& passphrase, WalletContext& context, bool load_wallet)
    4297                 :             : {
    4298                 :          51 :     std::vector<bilingual_str> warnings;
    4299         [ +  - ]:          51 :     bilingual_str error;
    4300                 :             : 
    4301                 :             :     // The only kind of wallets that could be loaded are descriptor ones, which don't need to be migrated.
    4302   [ +  -  +  + ]:          51 :     if (auto wallet = GetWallet(context, wallet_name)) {
    4303   [ +  -  -  + ]:           1 :         assert(wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4304         [ +  - ]:           3 :         return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4305                 :             :     } else {
    4306                 :             :         // Check if the wallet is BDB
    4307   [ +  -  -  + ]:          98 :         const auto& wallet_path = GetWalletPath(wallet_name);
    4308         [ -  + ]:          50 :         if (!wallet_path) {
    4309         [ #  # ]:           0 :             return util::Error{util::ErrorString(wallet_path)};
    4310                 :             :         }
    4311   [ +  -  +  + ]:          50 :         if (!fs::exists(*wallet_path)) {
    4312         [ +  - ]:           3 :             return util::Error{_("Error: Wallet does not exist")};
    4313                 :             :         }
    4314   [ +  -  +  -  :          98 :         if (!IsBDBFile(BDBDataFile(*wallet_path))) {
                   +  + ]
    4315         [ +  - ]:           3 :             return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4316                 :             :         }
    4317                 :           3 :     }
    4318                 :             : 
    4319                 :             :     // Load the wallet but only in the context of this function.
    4320                 :             :     // No signals should be connected nor should anything else be aware of this wallet
    4321         [ +  - ]:          48 :     WalletContext empty_context;
    4322                 :          48 :     empty_context.args = context.args;
    4323         [ +  - ]:          48 :     DatabaseOptions options;
    4324                 :          48 :     options.require_existing = true;
    4325                 :          48 :     options.require_format = DatabaseFormat::BERKELEY_RO;
    4326                 :          48 :     DatabaseStatus status;
    4327         [ +  - ]:          48 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4328         [ -  + ]:          48 :     if (!database) {
    4329   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet file verification failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
                      # ]
    4330                 :             :     }
    4331                 :             : 
    4332                 :             :     // Make the local wallet
    4333         [ +  - ]:          48 :     std::shared_ptr<CWallet> local_wallet = CWallet::LoadExisting(empty_context, wallet_name, std::move(database), error, warnings);
    4334         [ -  + ]:          48 :     if (!local_wallet) {
    4335   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet loading failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
                      # ]
    4336                 :             :     }
    4337                 :             : 
    4338         [ +  - ]:          96 :     return MigrateLegacyToDescriptor(std::move(local_wallet), passphrase, context, load_wallet);
    4339                 :          99 : }
    4340                 :             : 
    4341                 :          48 : util::Result<MigrationResult> MigrateLegacyToDescriptor(std::shared_ptr<CWallet> local_wallet, const SecureString& passphrase, WalletContext& context, bool load_wallet)
    4342                 :             : {
    4343                 :          48 :     MigrationResult res;
    4344         [ -  + ]:          48 :     bilingual_str error;
    4345                 :          48 :     std::vector<bilingual_str> warnings;
    4346                 :             : 
    4347         [ -  + ]:          48 :     DatabaseOptions options;
    4348                 :          48 :     options.require_existing = true;
    4349                 :          48 :     DatabaseStatus status;
    4350                 :             : 
    4351         [ -  + ]:          48 :     const std::string wallet_name = local_wallet->GetName();
    4352                 :             : 
    4353                 :             :     // Before anything else, check if there is something to migrate.
    4354   [ +  -  -  + ]:          48 :     if (local_wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    4355         [ #  # ]:           0 :         return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4356                 :             :     }
    4357                 :             : 
    4358                 :             :     // Make a backup of the DB in the wallet's directory with a unique filename
    4359                 :             :     // using the wallet name and current timestamp. The backup filename is based
    4360                 :             :     // on the name of the parent directory containing the wallet data in most
    4361                 :             :     // cases, but in the case where the wallet name is a path to a data file,
    4362                 :             :     // the name of the data file is used, and in the case where the wallet name
    4363                 :             :     // is blank, "default_wallet" is used.
    4364         [ +  + ]:          48 :     const std::string backup_prefix = wallet_name.empty() ? MigrationPrefixName(*local_wallet) : [&] {
    4365                 :             :         // fs::weakly_canonical resolves relative specifiers and remove trailing slashes.
    4366   [ +  -  +  - ]:         168 :         const auto legacy_wallet_path = fs::weakly_canonical(GetWalletDir() / fs::PathFromString(wallet_name));
    4367   [ +  -  -  + ]:         210 :         return fs::PathToString(legacy_wallet_path.filename());
    4368   [ +  -  +  - ]:          90 :     }();
    4369                 :             : 
    4370   [ +  -  +  -  :          48 :     fs::path backup_filename = fs::PathFromString(strprintf("%s_%d.legacy.bak", backup_prefix, GetTime()));
                   +  - ]
    4371   [ +  -  +  - ]:          48 :     fs::path backup_path = fsbridge::AbsPathJoin(GetWalletDir(), backup_filename);
    4372   [ -  +  +  -  :          96 :     if (!local_wallet->BackupWallet(fs::PathToString(backup_path))) {
                   -  + ]
    4373         [ #  # ]:           0 :         return util::Error{_("Error: Unable to make a backup of your wallet")};
    4374                 :             :     }
    4375         [ +  - ]:          48 :     res.backup_path = backup_path;
    4376                 :             : 
    4377                 :          48 :     bool success = false;
    4378                 :             : 
    4379                 :             :     // Unlock the wallet if needed
    4380   [ +  -  +  +  :          48 :     if (local_wallet->IsLocked() && !local_wallet->Unlock(passphrase)) {
             +  -  +  + ]
    4381         [ +  + ]:           3 :         if (passphrase.find('\0') == std::string::npos) {
    4382   [ +  -  +  - ]:           6 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase was not provided or was incorrect.")};
    4383                 :             :         } else {
    4384   [ +  -  +  - ]:           2 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase entered was incorrect. "
    4385                 :             :                                             "The passphrase contains a null character (ie - a zero byte). "
    4386                 :             :                                             "If this passphrase was set with a version of this software prior to 25.0, "
    4387                 :             :                                             "please try again with only the characters up to — but not including — "
    4388                 :           1 :                                             "the first null character.")};
    4389                 :             :         }
    4390                 :             :     }
    4391                 :             : 
    4392                 :             :     // Indicates whether the current wallet is empty after migration.
    4393                 :             :     // Notes:
    4394                 :             :     // When non-empty: the local wallet becomes the main spendable wallet.
    4395                 :             :     // When empty: The local wallet is excluded from the result, as the
    4396                 :             :     //             user does not expect an empty spendable wallet after
    4397                 :             :     //             migrating only watch-only scripts.
    4398                 :          45 :     bool empty_local_wallet = false;
    4399                 :             : 
    4400                 :          45 :     {
    4401         [ +  - ]:          45 :         LOCK(local_wallet->cs_wallet);
    4402                 :             :         // First change to using SQLite
    4403   [ +  -  -  +  :          45 :         if (!local_wallet->MigrateToSQLite(error)) return util::Error{error};
             -  -  -  - ]
    4404                 :             : 
    4405                 :             :         // Do the migration of keys and scripts for non-empty wallets, and cleanup if it fails
    4406   [ +  -  +  + ]:          45 :         if (HasLegacyRecords(*local_wallet)) {
    4407         [ +  - ]:          42 :             success = DoMigration(*local_wallet, context, error, res, load_wallet);
    4408                 :             :             // No scripts mean empty wallet after migration
    4409         [ +  - ]:          42 :             empty_local_wallet = local_wallet->GetAllScriptPubKeyMans().empty();
    4410                 :             :         } else {
    4411                 :             :             // Make sure that descriptors flag is actually set
    4412         [ +  - ]:           3 :             local_wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
    4413                 :             :             success = true;
    4414                 :             :         }
    4415                 :           0 :     }
    4416                 :             : 
    4417                 :             :     // In case of loading failure, we need to remember the wallet files we have created to remove.
    4418                 :             :     // A `set` is used as it may be populated with the same wallet directory paths multiple times,
    4419                 :             :     // both before and after loading. This ensures the set is complete even if one of the wallets
    4420                 :             :     // fails to load.
    4421         [ +  + ]:          45 :     std::set<fs::path> wallet_files_to_remove;
    4422                 :          45 :     std::set<fs::path> wallet_empty_dirs_to_remove;
    4423                 :             : 
    4424                 :             :     // Helper to track wallet files and directories for cleanup on failure.
    4425                 :             :     // Only directories of wallets created during migration (not the main wallet) are tracked.
    4426                 :         106 :     auto track_for_cleanup = [&](const CWallet& wallet) {
    4427                 :          61 :         const auto files = wallet.GetDatabase().Files();
    4428         [ +  - ]:          61 :         wallet_files_to_remove.insert(files.begin(), files.end());
    4429         [ +  + ]:          61 :         if (wallet.GetName() != wallet_name) {
    4430                 :             :             // If this isn’t the main wallet, mark its directory for removal.
    4431                 :             :             // This applies to the watch-only and solvable wallets.
    4432                 :             :             // Wallets stored directly as files in the top-level directory
    4433                 :             :             // (e.g. default unnamed wallets) don’t have a removable parent directory.
    4434   [ +  -  +  -  :          95 :             wallet_empty_dirs_to_remove.insert(fs::PathFromString(wallet.GetDatabase().Filename()).parent_path());
             +  -  +  - ]
    4435                 :             :         }
    4436                 :          61 :     };
    4437                 :             : 
    4438                 :             : 
    4439         [ +  + ]:          45 :     if (success) {
    4440         [ +  + ]:          41 :         Assume(!res.wallet); // We will set it here.
    4441                 :             :         // Check if the local wallet is empty after migration
    4442         [ +  + ]:          41 :         if (empty_local_wallet) {
    4443                 :             :             // This wallet has no records. We can safely remove it.
    4444         [ +  - ]:           3 :             std::vector<fs::path> paths_to_remove = local_wallet->GetDatabase().Files();
    4445                 :           3 :             local_wallet.reset();
    4446   [ +  -  +  + ]:           9 :             for (const auto& path_to_remove : paths_to_remove) fs::remove(path_to_remove);
    4447                 :           3 :         }
    4448                 :             : 
    4449         [ +  + ]:          41 :         if (load_wallet) {
    4450         [ +  - ]:          37 :             LogInfo("Loading new wallets after migration...\n");
    4451                 :             :             /** We only override the load_on_startup setting in case the user explicitly said
    4452                 :             :              * that he does not want to load the wallet, otherwise keep the old wallet configuration */
    4453                 :             :         } else {
    4454         [ +  - ]:           4 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/false, warnings);
    4455                 :             :         }
    4456                 :             :         // Migration successful, if load_wallet is set load all the migrated wallets.
    4457                 :          41 :         bool main_wallet_set{false};
    4458         [ +  + ]:         158 :         for (std::shared_ptr<CWallet>* wallet_ptr : {&local_wallet, &res.watchonly_wallet, &res.solvables_wallet}) {
    4459         [ +  + ]:         119 :             if (success && *wallet_ptr) {
    4460                 :          56 :                 std::shared_ptr<CWallet>& wallet = *wallet_ptr;
    4461                 :             :                 // Track db path
    4462         [ +  - ]:          56 :                 track_for_cleanup(*wallet);
    4463         [ -  + ]:          56 :                 assert(wallet.use_count() == 1);
    4464         [ -  + ]:          56 :                 std::string wallet_name = wallet->GetName();
    4465                 :          56 :                 wallet.reset();
    4466         [ +  + ]:          56 :                 if (load_wallet) {
    4467   [ +  -  -  + ]:         100 :                     wallet = LoadWallet(context, wallet_name, /*load_on_start=*/std::nullopt, options, status, error, warnings);
    4468         [ +  + ]:          50 :                     if (!wallet) {
    4469         [ +  - ]:           2 :                         LogError("Failed to load wallet '%s' after migration. Rolling back migration to preserve consistency. "
    4470                 :             :                                  "Error cause: %s\n", wallet_name, error.original);
    4471                 :           2 :                         success = false;
    4472                 :           2 :                         break;
    4473                 :             :                     }
    4474                 :             :                 }
    4475                 :             :                 // Set the first wallet as the main one.
    4476                 :             :                 // The loop order is intentional and must always start with the local wallet.
    4477         [ +  + ]:          54 :                 if (!main_wallet_set) {
    4478         [ +  - ]:          39 :                     res.wallet_name = wallet_name;
    4479         [ +  + ]:          39 :                     if (load_wallet) res.wallet = std::move(wallet);
    4480                 :             :                     main_wallet_set = true;
    4481                 :             :                 }
    4482         [ +  + ]:          54 :                 if (wallet_ptr == &res.watchonly_wallet) {
    4483         [ +  - ]:          12 :                     res.watchonly_wallet_name = wallet_name;
    4484         [ +  + ]:          42 :                 } else if (wallet_ptr == &res.solvables_wallet) {
    4485         [ +  - ]:           6 :                     res.solvables_wallet_name = wallet_name;
    4486                 :             :                 }
    4487                 :          54 :             }
    4488                 :             :         }
    4489                 :             :     }
    4490                 :           2 :     if (!success) {
    4491                 :             :         // Make list of wallets to cleanup
    4492                 :           6 :         std::vector<std::shared_ptr<CWallet>> created_wallets;
    4493   [ +  +  +  - ]:           6 :         if (local_wallet) created_wallets.push_back(std::move(local_wallet));
    4494   [ +  +  +  - ]:           6 :         if (res.watchonly_wallet) created_wallets.push_back(std::move(res.watchonly_wallet));
    4495   [ -  +  -  - ]:           6 :         if (res.solvables_wallet) created_wallets.push_back(std::move(res.solvables_wallet));
    4496                 :             : 
    4497                 :             :         // Get the directories to remove after unloading
    4498         [ +  + ]:          11 :         for (std::shared_ptr<CWallet>& wallet : created_wallets) {
    4499         [ +  - ]:           5 :             track_for_cleanup(*wallet);
    4500                 :             :         }
    4501                 :             : 
    4502                 :             :         // Unload the wallets
    4503         [ +  + ]:          11 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4504         [ -  + ]:           5 :             if (w->HaveChain()) {
    4505                 :             :                 // Unloading for wallets that were loaded for normal use
    4506   [ #  #  #  # ]:           0 :                 if (!RemoveWallet(context, w, /*load_on_start=*/false)) {
    4507   [ #  #  #  # ]:           0 :                     error += _("\nUnable to cleanup failed migration");
    4508         [ #  # ]:           0 :                     return util::Error{error};
    4509                 :             :                 }
    4510         [ #  # ]:           0 :                 WaitForDeleteWallet(std::move(w));
    4511                 :             :             } else {
    4512                 :             :                 // Unloading for wallets in local context
    4513         [ -  + ]:           5 :                 assert(w.use_count() == 1);
    4514                 :           5 :                 w.reset();
    4515                 :             :             }
    4516                 :             :         }
    4517                 :             : 
    4518                 :             :         // First, delete the db files we have created throughout this process and nothing else
    4519         [ +  + ]:          20 :         for (const fs::path& file : wallet_files_to_remove) {
    4520         [ +  - ]:          14 :             fs::remove(file);
    4521                 :             :         }
    4522                 :             : 
    4523                 :             :         // Second, delete the created wallet directories and nothing else. They must be empty at this point.
    4524         [ +  + ]:           7 :         for (const fs::path& dir : wallet_empty_dirs_to_remove) {
    4525   [ +  -  +  - ]:           1 :             Assume(fs::is_empty(dir));
    4526         [ +  - ]:           1 :             fs::remove(dir);
    4527                 :             :         }
    4528                 :             : 
    4529                 :             :         // Restore the backup
    4530                 :             :         // Convert the backup file to the wallet db file by renaming it and moving it into the wallet's directory.
    4531         [ +  - ]:           6 :         bilingual_str restore_error;
    4532         [ +  - ]:           6 :         const auto& ptr_wallet = RestoreWallet(context, backup_path, wallet_name, /*load_on_start=*/std::nullopt, status, restore_error, warnings, /*load_after_restore=*/false, /*allow_unnamed=*/true);
    4533         [ -  + ]:           6 :         if (!restore_error.empty()) {
    4534   [ #  #  #  # ]:           0 :             error += restore_error + _("\nUnable to restore backup of wallet.");
    4535         [ #  # ]:           0 :             return util::Error{error};
    4536                 :             :         }
    4537                 :             :         // Verify that the legacy wallet is not loaded after restoring from the backup.
    4538         [ -  + ]:           6 :         assert(!ptr_wallet);
    4539                 :             : 
    4540         [ +  - ]:          18 :         return util::Error{error};
    4541                 :          12 :     }
    4542                 :          39 :     return res;
    4543                 :         237 : }
    4544                 :             : 
    4545                 :       79529 : void CWallet::CacheNewScriptPubKeys(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4546                 :             : {
    4547         [ +  + ]:      572280 :     for (const auto& script : spks) {
    4548                 :      492751 :         m_cached_spks[script].push_back(spkm);
    4549                 :             :     }
    4550                 :       79529 : }
    4551                 :             : 
    4552                 :       79529 : void CWallet::TopUpCallback(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4553                 :             : {
    4554                 :             :     // Update scriptPubKey cache
    4555                 :       79529 :     CacheNewScriptPubKeys(spks, spkm);
    4556                 :       79529 : }
    4557                 :             : 
    4558                 :           7 : std::set<CExtPubKey> CWallet::GetActiveHDPubKeys() const
    4559                 :             : {
    4560                 :           7 :     AssertLockHeld(cs_wallet);
    4561                 :             : 
    4562         [ -  + ]:           7 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4563                 :             : 
    4564         [ +  - ]:           7 :     std::set<CExtPubKey> active_xpubs;
    4565   [ +  -  +  + ]:          30 :     for (const auto& spkm : GetActiveScriptPubKeyMans()) {
    4566         [ +  - ]:          23 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4567         [ -  + ]:          23 :         assert(desc_spkm);
    4568         [ +  - ]:          23 :         LOCK(desc_spkm->cs_desc_man);
    4569         [ +  - ]:          23 :         WalletDescriptor w_desc = desc_spkm->GetWalletDescriptor();
    4570                 :             : 
    4571         [ +  - ]:          23 :         std::set<CPubKey> desc_pubkeys;
    4572                 :          23 :         std::set<CExtPubKey> desc_xpubs;
    4573         [ +  - ]:          23 :         w_desc.descriptor->GetPubKeys(desc_pubkeys, desc_xpubs);
    4574                 :          23 :         active_xpubs.merge(std::move(desc_xpubs));
    4575         [ +  - ]:          46 :     }
    4576                 :           7 :     return active_xpubs;
    4577                 :           0 : }
    4578                 :             : 
    4579                 :          10 : std::optional<CKey> CWallet::GetKey(const CKeyID& keyid) const
    4580                 :             : {
    4581         [ -  + ]:          10 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4582                 :             : 
    4583         [ +  + ]:          18 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
    4584         [ +  - ]:          16 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4585         [ -  + ]:          16 :         assert(desc_spkm);
    4586         [ +  - ]:          16 :         LOCK(desc_spkm->cs_desc_man);
    4587   [ +  -  +  + ]:          16 :         if (std::optional<CKey> key = desc_spkm->GetKey(keyid)) {
    4588         [ +  - ]:           8 :             return key;
    4589         [ +  - ]:           8 :         }
    4590                 :          16 :     }
    4591                 :           2 :     return std::nullopt;
    4592                 :             : }
    4593                 :             : 
    4594                 :       16592 : void CWallet::WriteBestBlock() const
    4595                 :             : {
    4596                 :       16592 :     AssertLockHeld(cs_wallet);
    4597                 :             : 
    4598         [ +  + ]:       33184 :     if (!m_last_block_processed.IsNull()) {
    4599                 :       16536 :         CBlockLocator loc;
    4600         [ +  - ]:       16536 :         chain().findBlock(m_last_block_processed, FoundBlock().locator(loc));
    4601                 :             : 
    4602         [ +  - ]:       16536 :         if (!loc.IsNull()) {
    4603         [ +  - ]:       16536 :             WalletBatch batch(GetDatabase());
    4604         [ +  - ]:       16536 :             batch.WriteBestBlock(loc);
    4605                 :       16536 :         }
    4606                 :       16536 :     }
    4607                 :       16592 : }
    4608                 :             : 
    4609                 :       39059 : void CWallet::RefreshTXOsFromTx(const CWalletTx& wtx)
    4610                 :             : {
    4611                 :       39059 :     AssertLockHeld(cs_wallet);
    4612   [ -  +  +  + ]:      189397 :     for (uint32_t i = 0; i < wtx.tx->vout.size(); ++i) {
    4613                 :      150338 :         const CTxOut& txout = wtx.tx->vout.at(i);
    4614         [ +  + ]:      150338 :         if (!IsMine(txout)) continue;
    4615                 :       60355 :         COutPoint outpoint(wtx.GetHash(), i);
    4616         [ +  + ]:       60355 :         if (m_txos.contains(outpoint)) {
    4617                 :             :         } else {
    4618                 :       43842 :             m_txos.emplace(outpoint, WalletTXO{wtx, txout});
    4619                 :             :         }
    4620                 :             :     }
    4621                 :       39059 : }
    4622                 :             : 
    4623                 :         710 : void CWallet::RefreshAllTXOs()
    4624                 :             : {
    4625                 :         710 :     AssertLockHeld(cs_wallet);
    4626         [ +  + ]:        3961 :     for (const auto& [_, wtx] : mapWallet) {
    4627                 :        3251 :         RefreshTXOsFromTx(wtx);
    4628                 :             :     }
    4629                 :         710 : }
    4630                 :             : 
    4631                 :      216236 : std::optional<WalletTXO> CWallet::GetTXO(const COutPoint& outpoint) const
    4632                 :             : {
    4633                 :      216236 :     AssertLockHeld(cs_wallet);
    4634                 :      216236 :     const auto& it = m_txos.find(outpoint);
    4635         [ +  + ]:      216236 :     if (it == m_txos.end()) {
    4636                 :      205894 :         return std::nullopt;
    4637                 :             :     }
    4638                 :       10342 :     return it->second;
    4639                 :             : }
    4640                 :             : 
    4641                 :         922 : void CWallet::DisconnectChainNotifications()
    4642                 :             : {
    4643         [ +  + ]:         922 :     if (m_chain_notifications_handler) {
    4644                 :         921 :         m_chain_notifications_handler->disconnect();
    4645                 :         921 :         chain().waitForNotifications();
    4646         [ +  - ]:         921 :         m_chain_notifications_handler.reset();
    4647                 :             :     }
    4648                 :         922 : }
    4649                 :             : 
    4650                 :             : } // namespace wallet
        

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