LCOV - code coverage report
Current view: top level - src/wallet - wallet.cpp (source / functions) Coverage Total Hit
Test: total_coverage.info Lines: 88.3 % 2449 2162
Test Date: 2025-07-25 04:59:56 Functions: 97.7 % 215 210
Branches: 54.6 % 3865 2111

             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                 :             : #include <addresstype.h>
      10                 :             : #include <blockfilter.h>
      11                 :             : #include <chain.h>
      12                 :             : #include <coins.h>
      13                 :             : #include <common/args.h>
      14                 :             : #include <common/messages.h>
      15                 :             : #include <common/settings.h>
      16                 :             : #include <common/signmessage.h>
      17                 :             : #include <common/system.h>
      18                 :             : #include <consensus/amount.h>
      19                 :             : #include <consensus/consensus.h>
      20                 :             : #include <consensus/validation.h>
      21                 :             : #include <external_signer.h>
      22                 :             : #include <interfaces/chain.h>
      23                 :             : #include <interfaces/handler.h>
      24                 :             : #include <interfaces/wallet.h>
      25                 :             : #include <kernel/chain.h>
      26                 :             : #include <kernel/mempool_removal_reason.h>
      27                 :             : #include <key.h>
      28                 :             : #include <key_io.h>
      29                 :             : #include <logging.h>
      30                 :             : #include <node/types.h>
      31                 :             : #include <outputtype.h>
      32                 :             : #include <policy/feerate.h>
      33                 :             : #include <primitives/block.h>
      34                 :             : #include <primitives/transaction.h>
      35                 :             : #include <psbt.h>
      36                 :             : #include <pubkey.h>
      37                 :             : #include <random.h>
      38                 :             : #include <script/descriptor.h>
      39                 :             : #include <script/interpreter.h>
      40                 :             : #include <script/script.h>
      41                 :             : #include <script/sign.h>
      42                 :             : #include <script/signingprovider.h>
      43                 :             : #include <script/solver.h>
      44                 :             : #include <serialize.h>
      45                 :             : #include <span.h>
      46                 :             : #include <streams.h>
      47                 :             : #include <support/allocators/secure.h>
      48                 :             : #include <support/allocators/zeroafterfree.h>
      49                 :             : #include <support/cleanse.h>
      50                 :             : #include <sync.h>
      51                 :             : #include <tinyformat.h>
      52                 :             : #include <uint256.h>
      53                 :             : #include <univalue.h>
      54                 :             : #include <util/check.h>
      55                 :             : #include <util/fs.h>
      56                 :             : #include <util/fs_helpers.h>
      57                 :             : #include <util/moneystr.h>
      58                 :             : #include <util/result.h>
      59                 :             : #include <util/string.h>
      60                 :             : #include <util/time.h>
      61                 :             : #include <util/translation.h>
      62                 :             : #include <wallet/coincontrol.h>
      63                 :             : #include <wallet/context.h>
      64                 :             : #include <wallet/crypter.h>
      65                 :             : #include <wallet/db.h>
      66                 :             : #include <wallet/external_signer_scriptpubkeyman.h>
      67                 :             : #include <wallet/scriptpubkeyman.h>
      68                 :             : #include <wallet/transaction.h>
      69                 :             : #include <wallet/types.h>
      70                 :             : #include <wallet/walletdb.h>
      71                 :             : #include <wallet/walletutil.h>
      72                 :             : 
      73                 :             : #include <algorithm>
      74                 :             : #include <cassert>
      75                 :             : #include <condition_variable>
      76                 :             : #include <exception>
      77                 :             : #include <optional>
      78                 :             : #include <stdexcept>
      79                 :             : #include <thread>
      80                 :             : #include <tuple>
      81                 :             : #include <variant>
      82                 :             : 
      83                 :             : struct KeyOriginInfo;
      84                 :             : 
      85                 :             : using common::AmountErrMsg;
      86                 :             : using common::AmountHighWarn;
      87                 :             : using common::PSBTError;
      88                 :             : using interfaces::FoundBlock;
      89                 :             : using util::ReplaceAll;
      90                 :             : using util::ToString;
      91                 :             : 
      92                 :             : namespace wallet {
      93                 :             : 
      94                 :         179 : bool AddWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
      95                 :             : {
      96                 :         358 :     const auto update_function = [&wallet_name](common::SettingsValue& setting_value) {
      97         [ +  + ]:         179 :         if (!setting_value.isArray()) setting_value.setArray();
      98         [ +  + ]:         339 :         for (const auto& value : setting_value.getValues()) {
      99   [ +  -  +  - ]:         160 :             if (value.isStr() && value.get_str() == wallet_name) return interfaces::SettingsAction::SKIP_WRITE;
     100                 :             :         }
     101         [ +  - ]:         179 :         setting_value.push_back(wallet_name);
     102                 :         179 :         return interfaces::SettingsAction::WRITE;
     103                 :         179 :     };
     104   [ +  -  +  - ]:         179 :     return chain.updateRwSetting("wallet", update_function);
     105                 :             : }
     106                 :             : 
     107                 :          15 : bool RemoveWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
     108                 :             : {
     109                 :          30 :     const auto update_function = [&wallet_name](common::SettingsValue& setting_value) {
     110         [ +  + ]:          15 :         if (!setting_value.isArray()) return interfaces::SettingsAction::SKIP_WRITE;
     111                 :          13 :         common::SettingsValue new_value(common::SettingsValue::VARR);
     112   [ +  -  +  + ]:          47 :         for (const auto& value : setting_value.getValues()) {
     113   [ +  -  +  -  :          34 :             if (!value.isStr() || value.get_str() != wallet_name) new_value.push_back(value);
          +  +  +  -  +  
                      - ]
     114                 :             :         }
     115         [ +  + ]:          13 :         if (new_value.size() == setting_value.size()) return interfaces::SettingsAction::SKIP_WRITE;
     116                 :           9 :         setting_value = std::move(new_value);
     117                 :           9 :         return interfaces::SettingsAction::WRITE;
     118                 :          13 :     };
     119   [ +  -  +  - ]:          15 :     return chain.updateRwSetting("wallet", update_function);
     120                 :             : }
     121                 :             : 
     122                 :        1496 : static void UpdateWalletSetting(interfaces::Chain& chain,
     123                 :             :                                 const std::string& wallet_name,
     124                 :             :                                 std::optional<bool> load_on_startup,
     125                 :             :                                 std::vector<bilingual_str>& warnings)
     126                 :             : {
     127         [ +  + ]:        1496 :     if (!load_on_startup) return;
     128   [ +  +  -  + ]:         184 :     if (load_on_startup.value() && !AddWalletSetting(chain, wallet_name)) {
     129   [ #  #  #  # ]:           0 :         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may not be loaded next node startup."));
     130   [ +  +  -  + ]:         184 :     } else if (!load_on_startup.value() && !RemoveWalletSetting(chain, wallet_name)) {
     131   [ #  #  #  # ]:           0 :         warnings.emplace_back(Untranslated("Wallet load on startup setting could not be updated, so wallet may still be loaded next node startup."));
     132                 :             :     }
     133                 :             : }
     134                 :             : 
     135                 :             : /**
     136                 :             :  * Refresh mempool status so the wallet is in an internally consistent state and
     137                 :             :  * immediately knows the transaction's status: Whether it can be considered
     138                 :             :  * trusted and is eligible to be abandoned ...
     139                 :             :  */
     140                 :       17846 : static void RefreshMempoolStatus(CWalletTx& tx, interfaces::Chain& chain)
     141                 :             : {
     142         [ +  + ]:       17846 :     if (chain.isInMempool(tx.GetHash())) {
     143         [ -  + ]:        3342 :         tx.m_state = TxStateInMempool();
     144         [ +  + ]:       14504 :     } else if (tx.state<TxStateInMempool>()) {
     145         [ -  + ]:         197 :         tx.m_state = TxStateInactive();
     146                 :             :     }
     147                 :       17846 : }
     148                 :             : 
     149                 :         785 : bool AddWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     150                 :             : {
     151                 :         785 :     LOCK(context.wallets_mutex);
     152         [ -  + ]:         785 :     assert(wallet);
     153         [ +  - ]:         785 :     std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     154         [ +  - ]:         785 :     if (i != context.wallets.end()) return false;
     155         [ +  - ]:         785 :     context.wallets.push_back(wallet);
     156         [ +  - ]:         785 :     wallet->ConnectScriptPubKeyManNotifiers();
     157         [ +  - ]:         785 :     wallet->NotifyCanGetAddressesChanged();
     158                 :             :     return true;
     159                 :         785 : }
     160                 :             : 
     161                 :         785 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start, std::vector<bilingual_str>& warnings)
     162                 :             : {
     163         [ -  + ]:         785 :     assert(wallet);
     164                 :             : 
     165                 :         785 :     interfaces::Chain& chain = wallet->chain();
     166                 :         785 :     std::string name = wallet->GetName();
     167   [ +  -  +  - ]:        2355 :     WITH_LOCK(wallet->cs_wallet, wallet->WriteBestBlock());
     168                 :             : 
     169                 :             :     // Unregister with the validation interface which also drops shared pointers.
     170         [ +  - ]:         785 :     wallet->m_chain_notifications_handler.reset();
     171                 :         785 :     {
     172         [ +  - ]:         785 :         LOCK(context.wallets_mutex);
     173         [ -  + ]:         785 :         std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     174   [ -  +  -  - ]:         785 :         if (i == context.wallets.end()) return false;
     175         [ +  - ]:         785 :         context.wallets.erase(i);
     176                 :           0 :     }
     177                 :             :     // Notify unload so that upper layers release the shared pointer.
     178         [ +  - ]:         785 :     wallet->NotifyUnload();
     179                 :             : 
     180                 :             :     // Write the wallet setting
     181         [ +  - ]:         785 :     UpdateWalletSetting(chain, name, load_on_start, warnings);
     182                 :             : 
     183                 :             :     return true;
     184                 :         785 : }
     185                 :             : 
     186                 :           0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start)
     187                 :             : {
     188                 :           0 :     std::vector<bilingual_str> warnings;
     189         [ #  # ]:           0 :     return RemoveWallet(context, wallet, load_on_start, warnings);
     190                 :           0 : }
     191                 :             : 
     192                 :        1369 : std::vector<std::shared_ptr<CWallet>> GetWallets(WalletContext& context)
     193                 :             : {
     194                 :        1369 :     LOCK(context.wallets_mutex);
     195         [ +  - ]:        1369 :     return context.wallets;
     196                 :        1369 : }
     197                 :             : 
     198                 :        4733 : std::shared_ptr<CWallet> GetDefaultWallet(WalletContext& context, size_t& count)
     199                 :             : {
     200                 :        4733 :     LOCK(context.wallets_mutex);
     201         [ +  + ]:        4733 :     count = context.wallets.size();
     202   [ +  +  +  -  :        9443 :     return count == 1 ? context.wallets[0] : nullptr;
                   +  - ]
     203                 :        4733 : }
     204                 :             : 
     205                 :       13072 : std::shared_ptr<CWallet> GetWallet(WalletContext& context, const std::string& name)
     206                 :             : {
     207                 :       13072 :     LOCK(context.wallets_mutex);
     208         [ +  + ]:       45148 :     for (const std::shared_ptr<CWallet>& wallet : context.wallets) {
     209   [ +  +  +  -  :       58167 :         if (wallet->GetName() == name) return wallet;
                   +  - ]
     210                 :             :     }
     211                 :          53 :     return nullptr;
     212                 :       13072 : }
     213                 :             : 
     214                 :           1 : std::unique_ptr<interfaces::Handler> HandleLoadWallet(WalletContext& context, LoadWalletFn load_wallet)
     215                 :             : {
     216                 :           1 :     LOCK(context.wallets_mutex);
     217         [ +  - ]:           1 :     auto it = context.wallet_load_fns.emplace(context.wallet_load_fns.end(), std::move(load_wallet));
     218   [ +  -  +  -  :           3 :     return interfaces::MakeCleanupHandler([&context, it] { LOCK(context.wallets_mutex); context.wallet_load_fns.erase(it); });
                   +  - ]
     219                 :           1 : }
     220                 :             : 
     221                 :         790 : void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     222                 :             : {
     223                 :         790 :     LOCK(context.wallets_mutex);
     224         [ +  + ]:         791 :     for (auto& load_wallet : context.wallet_load_fns) {
     225   [ +  -  +  - ]:           1 :         load_wallet(interfaces::MakeWallet(context, wallet));
     226                 :             :     }
     227                 :         790 : }
     228                 :             : 
     229                 :             : static GlobalMutex g_loading_wallet_mutex;
     230                 :             : static GlobalMutex g_wallet_release_mutex;
     231                 :             : static std::condition_variable g_wallet_release_cv;
     232                 :             : static std::set<std::string> g_loading_wallet_set GUARDED_BY(g_loading_wallet_mutex);
     233                 :             : static std::set<std::string> g_unloading_wallet_set GUARDED_BY(g_wallet_release_mutex);
     234                 :             : 
     235                 :             : // Custom deleter for shared_ptr<CWallet>.
     236                 :         848 : static void FlushAndDeleteWallet(CWallet* wallet)
     237                 :             : {
     238                 :         848 :     const std::string name = wallet->GetName();
     239         [ +  - ]:         848 :     wallet->WalletLogPrintf("Releasing wallet %s..\n", name);
     240                 :         848 :     delete wallet;
     241                 :             :     // Wallet is now released, notify WaitForDeleteWallet, if any.
     242                 :         848 :     {
     243         [ +  - ]:         848 :         LOCK(g_wallet_release_mutex);
     244         [ +  + ]:         848 :         if (g_unloading_wallet_set.erase(name) == 0) {
     245                 :             :             // WaitForDeleteWallet was not called for this wallet, all done.
     246         [ +  - ]:          58 :             return;
     247                 :             :         }
     248                 :          58 :     }
     249                 :         790 :     g_wallet_release_cv.notify_all();
     250                 :         848 : }
     251                 :             : 
     252                 :         790 : void WaitForDeleteWallet(std::shared_ptr<CWallet>&& wallet)
     253                 :             : {
     254                 :             :     // Mark wallet for unloading.
     255                 :         790 :     const std::string name = wallet->GetName();
     256                 :         790 :     {
     257         [ +  - ]:         790 :         LOCK(g_wallet_release_mutex);
     258         [ +  - ]:         790 :         g_unloading_wallet_set.insert(name);
     259                 :             :         // Do not expect to be the only one removing this wallet.
     260                 :             :         // Multiple threads could simultaneously be waiting for deletion.
     261                 :           0 :     }
     262                 :             : 
     263                 :             :     // Time to ditch our shared_ptr and wait for FlushAndDeleteWallet call.
     264                 :         790 :     wallet.reset();
     265                 :         790 :     {
     266         [ +  - ]:         790 :         WAIT_LOCK(g_wallet_release_mutex, lock);
     267         [ -  + ]:         790 :         while (g_unloading_wallet_set.count(name) == 1) {
     268         [ #  # ]:           0 :             g_wallet_release_cv.wait(lock);
     269                 :             :         }
     270                 :         790 :     }
     271                 :         790 : }
     272                 :             : 
     273                 :             : namespace {
     274                 :         217 : 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)
     275                 :             : {
     276                 :         217 :     try {
     277         [ +  - ]:         217 :         std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     278         [ +  + ]:         217 :         if (!database) {
     279   [ +  -  +  -  :         133 :             error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          +  -  +  -  +  
                      - ]
     280                 :          19 :             return nullptr;
     281                 :             :         }
     282                 :             : 
     283   [ +  -  +  - ]:         198 :         context.chain->initMessage(_("Loading wallet…"));
     284         [ +  - ]:         198 :         std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), options.create_flags, error, warnings);
     285         [ +  + ]:         198 :         if (!wallet) {
     286   [ +  -  +  -  :          21 :             error = Untranslated("Wallet loading failed.") + Untranslated(" ") + error;
          +  -  +  -  +  
                      - ]
     287                 :           3 :             status = DatabaseStatus::FAILED_LOAD;
     288                 :           3 :             return nullptr;
     289                 :             :         }
     290                 :             : 
     291         [ +  - ]:         195 :         NotifyWalletLoaded(context, wallet);
     292         [ +  - ]:         195 :         AddWallet(context, wallet);
     293         [ +  - ]:         195 :         wallet->postInitProcess();
     294                 :             : 
     295                 :             :         // Write the wallet setting
     296         [ +  - ]:         195 :         UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     297                 :             : 
     298                 :         195 :         return wallet;
     299         [ -  - ]:         217 :     } catch (const std::runtime_error& e) {
     300   [ -  -  -  - ]:           0 :         error = Untranslated(e.what());
     301                 :           0 :         status = DatabaseStatus::FAILED_LOAD;
     302                 :           0 :         return nullptr;
     303                 :           0 :     }
     304                 :             : }
     305                 :             : 
     306                 :             : class FastWalletRescanFilter
     307                 :             : {
     308                 :             : public:
     309         [ +  - ]:           5 :     FastWalletRescanFilter(const CWallet& wallet) : m_wallet(wallet)
     310                 :             :     {
     311                 :             :         // create initial filter with scripts from all ScriptPubKeyMans
     312   [ +  -  +  + ]:          50 :         for (auto spkm : m_wallet.GetAllScriptPubKeyMans()) {
     313         [ +  - ]:          45 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(spkm)};
     314         [ -  + ]:          45 :             assert(desc_spkm != nullptr);
     315         [ +  - ]:          45 :             AddScriptPubKeys(desc_spkm);
     316                 :             :             // save each range descriptor's end for possible future filter updates
     317   [ +  -  +  + ]:          45 :             if (desc_spkm->IsHDEnabled()) {
     318   [ +  -  +  -  :          40 :                 m_last_range_ends.emplace(desc_spkm->GetID(), desc_spkm->GetEndRange());
                   +  - ]
     319                 :             :             }
     320                 :           0 :         }
     321                 :           5 :     }
     322                 :             : 
     323                 :         616 :     void UpdateIfNeeded()
     324                 :             :     {
     325                 :             :         // repopulate filter with new scripts if top-up has happened since last iteration
     326         [ +  + ]:        5544 :         for (const auto& [desc_spkm_id, last_range_end] : m_last_range_ends) {
     327         [ +  - ]:        4928 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(m_wallet.GetScriptPubKeyMan(desc_spkm_id))};
     328         [ -  + ]:        4928 :             assert(desc_spkm != nullptr);
     329                 :        4928 :             int32_t current_range_end{desc_spkm->GetEndRange()};
     330         [ +  + ]:        4928 :             if (current_range_end > last_range_end) {
     331                 :          80 :                 AddScriptPubKeys(desc_spkm, last_range_end);
     332                 :          80 :                 m_last_range_ends.at(desc_spkm->GetID()) = current_range_end;
     333                 :             :             }
     334                 :             :         }
     335                 :         616 :     }
     336                 :             : 
     337                 :         616 :     std::optional<bool> MatchesBlock(const uint256& block_hash) const
     338                 :             :     {
     339                 :         616 :         return m_wallet.chain().blockFilterMatchesAny(BlockFilterType::BASIC, block_hash, m_filter_set);
     340                 :             :     }
     341                 :             : 
     342                 :             : private:
     343                 :             :     const CWallet& m_wallet;
     344                 :             :     /** Map for keeping track of each range descriptor's last seen end range.
     345                 :             :       * This information is used to detect whether new addresses were derived
     346                 :             :       * (that is, if the current end range is larger than the saved end range)
     347                 :             :       * after processing a block and hence a filter set update is needed to
     348                 :             :       * take possible keypool top-ups into account.
     349                 :             :       */
     350                 :             :     std::map<uint256, int32_t> m_last_range_ends;
     351                 :             :     GCSFilter::ElementSet m_filter_set;
     352                 :             : 
     353                 :         125 :     void AddScriptPubKeys(const DescriptorScriptPubKeyMan* desc_spkm, int32_t last_range_end = 0)
     354                 :             :     {
     355   [ +  +  +  + ]:       11344 :         for (const auto& script_pub_key : desc_spkm->GetScriptPubKeys(last_range_end)) {
     356   [ +  -  +  + ]:       22438 :             m_filter_set.emplace(script_pub_key.begin(), script_pub_key.end());
     357                 :         125 :         }
     358                 :         125 :     }
     359                 :             : };
     360                 :             : } // namespace
     361                 :             : 
     362                 :         221 : 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)
     363                 :             : {
     364         [ +  - ]:         663 :     auto result = WITH_LOCK(g_loading_wallet_mutex, return g_loading_wallet_set.insert(name));
     365         [ +  + ]:         221 :     if (!result.second) {
     366         [ +  - ]:           8 :         error = Untranslated("Wallet already loading.");
     367                 :           4 :         status = DatabaseStatus::FAILED_LOAD;
     368                 :           4 :         return nullptr;
     369                 :             :     }
     370                 :         217 :     auto wallet = LoadWalletInternal(context, name, load_on_start, options, status, error, warnings);
     371   [ +  -  +  - ]:         434 :     WITH_LOCK(g_loading_wallet_mutex, g_loading_wallet_set.erase(result.first));
     372         [ -  + ]:         217 :     return wallet;
     373                 :         217 : }
     374                 :             : 
     375                 :         512 : 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)
     376                 :             : {
     377                 :         512 :     uint64_t wallet_creation_flags = options.create_flags;
     378                 :         512 :     const SecureString& passphrase = options.create_passphrase;
     379                 :             : 
     380                 :             :     // Only descriptor wallets can be created
     381                 :         512 :     Assert(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS);
     382         [ +  + ]:         512 :     options.require_format = DatabaseFormat::SQLITE;
     383                 :             : 
     384                 :             :     // Indicate that the wallet is actually supposed to be blank and not just blank to make it encrypted
     385                 :         512 :     bool create_blank = (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET);
     386                 :             : 
     387                 :             :     // Born encrypted wallets need to be created blank first.
     388         [ +  + ]:         512 :     if (!passphrase.empty()) {
     389                 :          12 :         wallet_creation_flags |= WALLET_FLAG_BLANK_WALLET;
     390                 :             :     }
     391                 :             : 
     392                 :             :     // Private keys must be disabled for an external signer wallet
     393         [ +  + ]:         512 :     if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     394         [ +  - ]:           2 :         error = Untranslated("Private keys must be disabled when using an external signer");
     395                 :           1 :         status = DatabaseStatus::FAILED_CREATE;
     396                 :           1 :         return nullptr;
     397                 :             :     }
     398                 :             : 
     399                 :             :     // Do not allow a passphrase when private keys are disabled
     400   [ +  +  +  + ]:         511 :     if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     401         [ +  - ]:           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.");
     402                 :           4 :         status = DatabaseStatus::FAILED_CREATE;
     403                 :           4 :         return nullptr;
     404                 :             :     }
     405                 :             : 
     406                 :             :     // Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
     407                 :         507 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     408         [ +  + ]:         507 :     if (!database) {
     409   [ +  -  +  -  :          28 :         error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          +  -  +  -  +  
                      - ]
     410                 :           4 :         status = DatabaseStatus::FAILED_VERIFY;
     411                 :           4 :         return nullptr;
     412                 :             :     }
     413                 :             : 
     414                 :             :     // Make the wallet
     415   [ +  -  +  - ]:         503 :     context.chain->initMessage(_("Loading wallet…"));
     416         [ +  + ]:         503 :     std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), wallet_creation_flags, error, warnings);
     417         [ -  + ]:         500 :     if (!wallet) {
     418   [ #  #  #  #  :           0 :         error = Untranslated("Wallet creation failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                      # ]
     419                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     420                 :           0 :         return nullptr;
     421                 :             :     }
     422                 :             : 
     423                 :             :     // Encrypt the wallet
     424   [ +  +  +  - ]:         500 :     if (!passphrase.empty() && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     425   [ +  -  -  + ]:           8 :         if (!wallet->EncryptWallet(passphrase)) {
     426   [ #  #  #  # ]:           0 :             error = Untranslated("Error: Wallet created but failed to encrypt.");
     427                 :           0 :             status = DatabaseStatus::FAILED_ENCRYPT;
     428                 :           0 :             return nullptr;
     429                 :             :         }
     430         [ +  + ]:           8 :         if (!create_blank) {
     431                 :             :             // Unlock the wallet
     432   [ +  -  -  + ]:           4 :             if (!wallet->Unlock(passphrase)) {
     433   [ #  #  #  # ]:           0 :                 error = Untranslated("Error: Wallet was encrypted but could not be unlocked");
     434                 :           0 :                 status = DatabaseStatus::FAILED_ENCRYPT;
     435                 :           0 :                 return nullptr;
     436                 :             :             }
     437                 :             : 
     438                 :             :             // Set a seed for the wallet
     439                 :           4 :             {
     440         [ +  - ]:           4 :                 LOCK(wallet->cs_wallet);
     441         [ +  - ]:           4 :                 wallet->SetupDescriptorScriptPubKeyMans();
     442                 :           0 :             }
     443                 :             : 
     444                 :             :             // Relock the wallet
     445         [ +  - ]:           4 :             wallet->Lock();
     446                 :             :         }
     447                 :             :     }
     448                 :             : 
     449         [ +  - ]:         500 :     NotifyWalletLoaded(context, wallet);
     450         [ +  - ]:         500 :     AddWallet(context, wallet);
     451         [ +  - ]:         500 :     wallet->postInitProcess();
     452                 :             : 
     453                 :             :     // Write the wallet settings
     454         [ +  - ]:         500 :     UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     455                 :             : 
     456                 :         500 :     status = DatabaseStatus::SUCCESS;
     457                 :         500 :     return wallet;
     458                 :         507 : }
     459                 :             : 
     460                 :             : // Re-creates wallet from the backup file by renaming and moving it into the wallet's directory.
     461                 :             : // If 'load_after_restore=true', the wallet object will be fully initialized and appended to the context.
     462                 :          28 : 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)
     463                 :             : {
     464         [ +  - ]:          28 :     DatabaseOptions options;
     465         [ +  - ]:          28 :     ReadDatabaseArgs(*context.args, options);
     466                 :          28 :     options.require_existing = true;
     467                 :             : 
     468   [ +  -  +  -  :          56 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::u8path(wallet_name));
                   +  - ]
     469   [ +  -  +  - ]:          56 :     auto wallet_file = wallet_path / "wallet.dat";
     470                 :          28 :     std::shared_ptr<CWallet> wallet;
     471                 :             : 
     472                 :          28 :     try {
     473   [ +  -  +  + ]:          28 :         if (!fs::exists(backup_file)) {
     474   [ +  -  +  - ]:           2 :             error = Untranslated("Backup file does not exist");
     475                 :           1 :             status = DatabaseStatus::FAILED_INVALID_BACKUP_FILE;
     476                 :           1 :             return nullptr;
     477                 :             :         }
     478                 :             : 
     479   [ +  -  +  +  :          27 :         if (fs::exists(wallet_path) || !TryCreateDirectories(wallet_path)) {
             +  -  -  + ]
     480   [ +  -  +  -  :           3 :             error = Untranslated(strprintf("Failed to create database path '%s'. Database already exists.", fs::PathToString(wallet_path)));
                   +  - ]
     481                 :           1 :             status = DatabaseStatus::FAILED_ALREADY_EXISTS;
     482                 :           1 :             return nullptr;
     483                 :             :         }
     484                 :             : 
     485         [ +  - ]:          26 :         fs::copy_file(backup_file, wallet_file, fs::copy_options::none);
     486                 :             : 
     487         [ +  + ]:          26 :         if (load_after_restore) {
     488   [ +  -  -  + ]:          48 :             wallet = LoadWallet(context, wallet_name, load_on_start, options, status, error, warnings);
     489                 :             :         }
     490         [ -  - ]:           0 :     } catch (const std::exception& e) {
     491         [ -  - ]:           0 :         assert(!wallet);
     492   [ -  -  -  -  :           0 :         if (!error.empty()) error += Untranslated("\n");
             -  -  -  - ]
     493   [ -  -  -  -  :           0 :         error += Untranslated(strprintf("Unexpected exception: %s", e.what()));
                   -  - ]
     494                 :           0 :     }
     495                 :             : 
     496                 :             :     // Remove created wallet path only when loading fails
     497   [ +  -  +  + ]:          24 :     if (load_after_restore && !wallet) {
     498         [ +  - ]:          10 :         fs::remove_all(wallet_path);
     499                 :             :     }
     500                 :             : 
     501                 :          26 :     return wallet;
     502                 :          84 : }
     503                 :             : 
     504                 :             : /** @defgroup mapWallet
     505                 :             :  *
     506                 :             :  * @{
     507                 :             :  */
     508                 :             : 
     509                 :       84844 : const CWalletTx* CWallet::GetWalletTx(const Txid& hash) const
     510                 :             : {
     511                 :       84844 :     AssertLockHeld(cs_wallet);
     512                 :       84844 :     const auto it = mapWallet.find(hash);
     513         [ +  + ]:       84844 :     if (it == mapWallet.end())
     514                 :             :         return nullptr;
     515                 :       84461 :     return &(it->second);
     516                 :             : }
     517                 :             : 
     518                 :         974 : void CWallet::UpgradeDescriptorCache()
     519                 :             : {
     520   [ +  +  +  +  :         974 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) || IsLocked() || IsWalletFlagSet(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED)) {
                   +  + ]
     521                 :         939 :         return;
     522                 :             :     }
     523                 :             : 
     524         [ +  + ]:         372 :     for (ScriptPubKeyMan* spkm : GetAllScriptPubKeyMans()) {
     525         [ +  - ]:         337 :         DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
     526         [ +  - ]:         337 :         desc_spkm->UpgradeDescriptorCache();
     527                 :          35 :     }
     528                 :          35 :     SetWalletFlag(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
     529                 :             : }
     530                 :             : 
     531                 :             : /* Given a wallet passphrase string and an unencrypted master key, determine the proper key
     532                 :             :  * derivation parameters (should take at least 100ms) and encrypt the master key. */
     533                 :          26 : static bool EncryptMasterKey(const SecureString& wallet_passphrase, const CKeyingMaterial& plain_master_key, CMasterKey& master_key)
     534                 :             : {
     535                 :          26 :     constexpr MillisecondsDouble target{100};
     536                 :          26 :     auto start{SteadyClock::now()};
     537                 :          26 :     CCrypter crypter;
     538                 :             : 
     539         [ +  - ]:          26 :     crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod);
     540                 :          26 :     master_key.nDeriveIterations = static_cast<unsigned int>(master_key.nDeriveIterations * target / (SteadyClock::now() - start));
     541                 :             : 
     542                 :          26 :     start = SteadyClock::now();
     543         [ +  - ]:          26 :     crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod);
     544                 :          26 :     master_key.nDeriveIterations = (master_key.nDeriveIterations + static_cast<unsigned int>(master_key.nDeriveIterations * target / (SteadyClock::now() - start))) / 2;
     545                 :             : 
     546         [ +  + ]:          26 :     if (master_key.nDeriveIterations < CMasterKey::DEFAULT_DERIVE_ITERATIONS) {
     547                 :          12 :         master_key.nDeriveIterations = CMasterKey::DEFAULT_DERIVE_ITERATIONS;
     548                 :             :     }
     549                 :             : 
     550   [ +  -  +  - ]:          26 :     if (!crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod)) {
     551                 :             :         return false;
     552                 :             :     }
     553   [ +  -  -  + ]:          26 :     if (!crypter.Encrypt(plain_master_key, master_key.vchCryptedKey)) {
     554                 :           0 :         return false;
     555                 :             :     }
     556                 :             : 
     557                 :             :     return true;
     558                 :          26 : }
     559                 :             : 
     560                 :          84 : static bool DecryptMasterKey(const SecureString& wallet_passphrase, const CMasterKey& master_key, CKeyingMaterial& plain_master_key)
     561                 :             : {
     562                 :          84 :     CCrypter crypter;
     563   [ +  -  +  - ]:          84 :     if (!crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod)) {
     564                 :             :         return false;
     565                 :             :     }
     566   [ +  -  +  + ]:          84 :     if (!crypter.Decrypt(master_key.vchCryptedKey, plain_master_key)) {
     567                 :           9 :         return false;
     568                 :             :     }
     569                 :             : 
     570                 :             :     return true;
     571                 :          84 : }
     572                 :             : 
     573                 :          80 : bool CWallet::Unlock(const SecureString& strWalletPassphrase)
     574                 :             : {
     575                 :          80 :     CKeyingMaterial plain_master_key;
     576                 :             : 
     577                 :          80 :     {
     578         [ +  - ]:          80 :         LOCK(cs_wallet);
     579   [ +  -  +  + ]:          87 :         for (const auto& [_, master_key] : mapMasterKeys)
     580                 :             :         {
     581   [ +  -  +  + ]:          80 :             if (!DecryptMasterKey(strWalletPassphrase, master_key, plain_master_key)) {
     582                 :           7 :                 continue; // try another master key
     583                 :             :             }
     584   [ +  -  +  - ]:          73 :             if (Unlock(plain_master_key)) {
     585                 :             :                 // Now that we've unlocked, upgrade the descriptor cache
     586         [ +  - ]:          73 :                 UpgradeDescriptorCache();
     587         [ +  - ]:          73 :                 return true;
     588                 :             :             }
     589                 :             :         }
     590                 :          73 :     }
     591                 :           7 :     return false;
     592                 :          80 : }
     593                 :             : 
     594                 :           4 : bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
     595                 :             : {
     596                 :           4 :     bool fWasLocked = IsLocked();
     597                 :             : 
     598                 :           4 :     {
     599         [ +  - ]:           4 :         LOCK2(m_relock_mutex, cs_wallet);
     600         [ +  - ]:           4 :         Lock();
     601                 :             : 
     602                 :           4 :         CKeyingMaterial plain_master_key;
     603   [ +  -  +  - ]:           4 :         for (auto& [master_key_id, master_key] : mapMasterKeys)
     604                 :             :         {
     605   [ +  -  +  + ]:           4 :             if (!DecryptMasterKey(strOldWalletPassphrase, master_key, plain_master_key)) {
     606                 :             :                 return false;
     607                 :             :             }
     608   [ +  -  +  - ]:           2 :             if (Unlock(plain_master_key))
     609                 :             :             {
     610   [ +  -  +  - ]:           2 :                 if (!EncryptMasterKey(strNewWalletPassphrase, plain_master_key, master_key)) {
     611                 :             :                     return false;
     612                 :             :                 }
     613         [ +  - ]:           2 :                 WalletLogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", master_key.nDeriveIterations);
     614                 :             : 
     615   [ +  -  +  - ]:           2 :                 WalletBatch(GetDatabase()).WriteMasterKey(master_key_id, master_key);
     616         [ +  - ]:           2 :                 if (fWasLocked)
     617         [ +  - ]:           2 :                     Lock();
     618                 :           2 :                 return true;
     619                 :             :             }
     620                 :             :         }
     621   [ -  -  -  -  :          12 :     }
             +  -  +  - ]
     622                 :             : 
     623                 :           0 :     return false;
     624                 :             : }
     625                 :             : 
     626                 :       44543 : void CWallet::SetLastBlockProcessedInMem(int block_height, uint256 block_hash)
     627                 :             : {
     628                 :       44543 :     AssertLockHeld(cs_wallet);
     629                 :             : 
     630                 :       44543 :     m_last_block_processed = block_hash;
     631                 :       44543 :     m_last_block_processed_height = block_height;
     632                 :       44543 : }
     633                 :             : 
     634                 :        4006 : void CWallet::SetLastBlockProcessed(int block_height, uint256 block_hash)
     635                 :             : {
     636                 :        4006 :     AssertLockHeld(cs_wallet);
     637                 :             : 
     638                 :        4006 :     SetLastBlockProcessedInMem(block_height, block_hash);
     639                 :        4006 :     WriteBestBlock();
     640                 :        4006 : }
     641                 :             : 
     642                 :         548 : void CWallet::SetMinVersion(enum WalletFeature nVersion, WalletBatch* batch_in)
     643                 :             : {
     644                 :         548 :     LOCK(cs_wallet);
     645         [ +  + ]:         548 :     if (nWalletVersion >= nVersion)
     646         [ +  - ]:          24 :         return;
     647         [ +  - ]:         524 :     WalletLogPrintf("Setting minversion to %d\n", nVersion);
     648                 :         524 :     nWalletVersion = nVersion;
     649                 :             : 
     650                 :         524 :     {
     651   [ +  -  +  -  :         524 :         WalletBatch* batch = batch_in ? batch_in : new WalletBatch(GetDatabase());
                   +  - ]
     652         [ +  - ]:         524 :         if (nWalletVersion > 40000)
     653         [ +  - ]:         524 :             batch->WriteMinVersion(nWalletVersion);
     654         [ +  - ]:         524 :         if (!batch_in)
     655         [ +  - ]:        1048 :             delete batch;
     656                 :             :     }
     657                 :         548 : }
     658                 :             : 
     659                 :        1967 : std::set<Txid> CWallet::GetConflicts(const Txid& txid) const
     660                 :             : {
     661         [ +  - ]:        1967 :     std::set<Txid> result;
     662                 :        1967 :     AssertLockHeld(cs_wallet);
     663                 :             : 
     664         [ +  - ]:        1967 :     const auto it = mapWallet.find(txid);
     665         [ +  - ]:        3934 :     if (it == mapWallet.end())
     666                 :             :         return result;
     667                 :        1967 :     const CWalletTx& wtx = it->second;
     668                 :             : 
     669                 :        1967 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     670                 :             : 
     671         [ +  + ]:        4981 :     for (const CTxIn& txin : wtx.tx->vin)
     672                 :             :     {
     673         [ +  + ]:        3014 :         if (mapTxSpends.count(txin.prevout) <= 1)
     674                 :        2908 :             continue;  // No conflict if zero or one spends
     675                 :         106 :         range = mapTxSpends.equal_range(txin.prevout);
     676         [ +  + ]:        3300 :         for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it)
     677         [ +  - ]:         286 :             result.insert(_it->second);
     678                 :             :     }
     679                 :             :     return result;
     680                 :           0 : }
     681                 :             : 
     682                 :         227 : bool CWallet::HasWalletSpend(const CTransactionRef& tx) const
     683                 :             : {
     684                 :         227 :     AssertLockHeld(cs_wallet);
     685                 :         227 :     const Txid& txid = tx->GetHash();
     686         [ +  + ]:         809 :     for (unsigned int i = 0; i < tx->vout.size(); ++i) {
     687         [ +  + ]:         585 :         if (IsSpent(COutPoint(txid, i))) {
     688                 :             :             return true;
     689                 :             :         }
     690                 :             :     }
     691                 :             :     return false;
     692                 :             : }
     693                 :             : 
     694                 :          14 : void CWallet::Close()
     695                 :             : {
     696                 :          14 :     GetDatabase().Close();
     697                 :          14 : }
     698                 :             : 
     699                 :       12789 : void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range)
     700                 :             : {
     701                 :             :     // We want all the wallet transactions in range to have the same metadata as
     702                 :             :     // the oldest (smallest nOrderPos).
     703                 :             :     // So: find smallest nOrderPos:
     704                 :             : 
     705                 :       12789 :     int nMinOrderPos = std::numeric_limits<int>::max();
     706                 :       12789 :     const CWalletTx* copyFrom = nullptr;
     707         [ +  + ]:       28175 :     for (TxSpends::iterator it = range.first; it != range.second; ++it) {
     708                 :       15386 :         const CWalletTx* wtx = &mapWallet.at(it->second);
     709         [ +  + ]:       15386 :         if (wtx->nOrderPos < nMinOrderPos) {
     710                 :       15333 :             nMinOrderPos = wtx->nOrderPos;
     711                 :       15333 :             copyFrom = wtx;
     712                 :             :         }
     713                 :             :     }
     714                 :             : 
     715         [ +  - ]:       12789 :     if (!copyFrom) {
     716                 :             :         return;
     717                 :             :     }
     718                 :             : 
     719                 :             :     // Now copy data from copyFrom to rest:
     720         [ +  + ]:       28175 :     for (TxSpends::iterator it = range.first; it != range.second; ++it)
     721                 :             :     {
     722                 :       15386 :         const Txid& hash = it->second;
     723                 :       15386 :         CWalletTx* copyTo = &mapWallet.at(hash);
     724         [ +  + ]:       15386 :         if (copyFrom == copyTo) continue;
     725                 :        2597 :         assert(copyFrom && "Oldest wallet transaction in range assumed to have been found.");
     726         [ +  + ]:        2597 :         if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
     727                 :           3 :         copyTo->mapValue = copyFrom->mapValue;
     728                 :           3 :         copyTo->vOrderForm = copyFrom->vOrderForm;
     729                 :             :         // nTimeReceived not copied on purpose
     730                 :           3 :         copyTo->nTimeSmart = copyFrom->nTimeSmart;
     731                 :             :         // nOrderPos not copied on purpose
     732                 :             :         // cached members not copied on purpose
     733                 :             :     }
     734                 :             : }
     735                 :             : 
     736                 :             : /**
     737                 :             :  * Outpoint is spent if any non-conflicted transaction
     738                 :             :  * spends it:
     739                 :             :  */
     740                 :      537583 : bool CWallet::IsSpent(const COutPoint& outpoint) const
     741                 :             : {
     742                 :      537583 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     743                 :      537583 :     range = mapTxSpends.equal_range(outpoint);
     744                 :             : 
     745         [ +  + ]:      538504 :     for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
     746                 :      331792 :         const Txid& txid = it->second;
     747                 :      331792 :         const auto mit = mapWallet.find(txid);
     748         [ +  - ]:      332713 :         if (mit != mapWallet.end()) {
     749         [ +  + ]:      331792 :             const auto& wtx = mit->second;
     750   [ +  +  +  +  :      331868 :             if (!wtx.isAbandoned() && !wtx.isBlockConflicted() && !wtx.isMempoolConflicted())
                   +  + ]
     751                 :             :                 return true; // Spent
     752                 :             :         }
     753                 :             :     }
     754                 :             :     return false;
     755                 :             : }
     756                 :             : 
     757                 :       12789 : void CWallet::AddToSpends(const COutPoint& outpoint, const Txid& txid)
     758                 :             : {
     759                 :       12789 :     mapTxSpends.insert(std::make_pair(outpoint, txid));
     760                 :             : 
     761                 :       12789 :     UnlockCoin(outpoint);
     762                 :             : 
     763                 :       12789 :     std::pair<TxSpends::iterator, TxSpends::iterator> range;
     764                 :       12789 :     range = mapTxSpends.equal_range(outpoint);
     765                 :       12789 :     SyncMetaData(range);
     766                 :       12789 : }
     767                 :             : 
     768                 :             : 
     769                 :       25741 : void CWallet::AddToSpends(const CWalletTx& wtx)
     770                 :             : {
     771         [ +  + ]:       25741 :     if (wtx.IsCoinBase()) // Coinbases don't spend anything!
     772                 :             :         return;
     773                 :             : 
     774         [ +  + ]:       19104 :     for (const CTxIn& txin : wtx.tx->vin)
     775                 :       12789 :         AddToSpends(txin.prevout, wtx.GetHash());
     776                 :             : }
     777                 :             : 
     778                 :          24 : bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
     779                 :             : {
     780                 :             :     // Only descriptor wallets can be encrypted
     781                 :          24 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
     782                 :             : 
     783         [ +  - ]:          24 :     if (IsCrypted())
     784                 :             :         return false;
     785                 :             : 
     786                 :          24 :     CKeyingMaterial plain_master_key;
     787                 :             : 
     788         [ +  - ]:          24 :     plain_master_key.resize(WALLET_CRYPTO_KEY_SIZE);
     789                 :          24 :     GetStrongRandBytes(plain_master_key);
     790                 :             : 
     791         [ +  - ]:          24 :     CMasterKey master_key;
     792                 :             : 
     793         [ +  - ]:          24 :     master_key.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
     794                 :          24 :     GetStrongRandBytes(master_key.vchSalt);
     795                 :             : 
     796   [ +  -  +  - ]:          24 :     if (!EncryptMasterKey(strWalletPassphrase, plain_master_key, master_key)) {
     797                 :             :         return false;
     798                 :             :     }
     799         [ +  - ]:          24 :     WalletLogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", master_key.nDeriveIterations);
     800                 :             : 
     801                 :          24 :     {
     802   [ +  -  +  - ]:          24 :         LOCK2(m_relock_mutex, cs_wallet);
     803   [ +  -  +  - ]:          24 :         mapMasterKeys[++nMasterKeyMaxID] = master_key;
     804   [ +  -  +  - ]:          24 :         WalletBatch* encrypted_batch = new WalletBatch(GetDatabase());
     805   [ +  -  -  + ]:          24 :         if (!encrypted_batch->TxnBegin()) {
     806         [ #  # ]:           0 :             delete encrypted_batch;
     807                 :           0 :             encrypted_batch = nullptr;
     808         [ #  # ]:           0 :             return false;
     809                 :             :         }
     810         [ +  - ]:          24 :         encrypted_batch->WriteMasterKey(nMasterKeyMaxID, master_key);
     811                 :             : 
     812         [ +  + ]:         127 :         for (const auto& spk_man_pair : m_spk_managers) {
     813         [ +  - ]:         103 :             auto spk_man = spk_man_pair.second.get();
     814   [ +  -  -  + ]:         103 :             if (!spk_man->Encrypt(plain_master_key, encrypted_batch)) {
     815         [ #  # ]:           0 :                 encrypted_batch->TxnAbort();
     816                 :           0 :                 delete encrypted_batch;
     817                 :           0 :                 encrypted_batch = nullptr;
     818                 :             :                 // We now probably have half of our keys encrypted in memory, and half not...
     819                 :             :                 // die and let the user reload the unencrypted wallet.
     820                 :           0 :                 assert(false);
     821                 :             :             }
     822                 :             :         }
     823                 :             : 
     824                 :             :         // Encryption was introduced in version 0.4.0
     825         [ +  - ]:          24 :         SetMinVersion(FEATURE_WALLETCRYPT, encrypted_batch);
     826                 :             : 
     827   [ +  -  -  + ]:          24 :         if (!encrypted_batch->TxnCommit()) {
     828         [ #  # ]:           0 :             delete encrypted_batch;
     829                 :           0 :             encrypted_batch = nullptr;
     830                 :             :             // We now have keys encrypted in memory, but not on disk...
     831                 :             :             // die to avoid confusion and let the user reload the unencrypted wallet.
     832                 :           0 :             assert(false);
     833                 :             :         }
     834                 :             : 
     835         [ +  - ]:          48 :         delete encrypted_batch;
     836                 :          24 :         encrypted_batch = nullptr;
     837                 :             : 
     838         [ +  - ]:          24 :         Lock();
     839         [ +  - ]:          24 :         Unlock(strWalletPassphrase);
     840                 :             : 
     841                 :             :         // Make new descriptors with a new seed
     842   [ +  -  +  + ]:          24 :         if (!IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)) {
     843         [ +  - ]:          12 :             SetupDescriptorScriptPubKeyMans();
     844                 :             :         }
     845         [ +  - ]:          24 :         Lock();
     846                 :             : 
     847                 :             :         // Need to completely rewrite the wallet file; if we don't, the database might keep
     848                 :             :         // bits of the unencrypted private key in slack space in the database file.
     849         [ +  - ]:          24 :         GetDatabase().Rewrite();
     850   [ -  -  +  - ]:          24 :     }
     851         [ +  - ]:          24 :     NotifyStatusChanged(this);
     852                 :             : 
     853                 :             :     return true;
     854                 :          24 : }
     855                 :             : 
     856                 :           0 : DBErrors CWallet::ReorderTransactions()
     857                 :             : {
     858                 :           0 :     LOCK(cs_wallet);
     859         [ #  # ]:           0 :     WalletBatch batch(GetDatabase());
     860                 :             : 
     861                 :             :     // Old wallets didn't have any defined order for transactions
     862                 :             :     // Probably a bad idea to change the output of this
     863                 :             : 
     864                 :             :     // First: get all CWalletTx into a sorted-by-time multimap.
     865                 :           0 :     typedef std::multimap<int64_t, CWalletTx*> TxItems;
     866                 :           0 :     TxItems txByTime;
     867                 :             : 
     868   [ #  #  #  # ]:           0 :     for (auto& entry : mapWallet)
     869                 :             :     {
     870                 :           0 :         CWalletTx* wtx = &entry.second;
     871         [ #  # ]:           0 :         txByTime.insert(std::make_pair(wtx->nTimeReceived, wtx));
     872                 :             :     }
     873                 :             : 
     874                 :           0 :     nOrderPosNext = 0;
     875                 :           0 :     std::vector<int64_t> nOrderPosOffsets;
     876         [ #  # ]:           0 :     for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
     877                 :             :     {
     878         [ #  # ]:           0 :         CWalletTx *const pwtx = (*it).second;
     879                 :           0 :         int64_t& nOrderPos = pwtx->nOrderPos;
     880                 :             : 
     881         [ #  # ]:           0 :         if (nOrderPos == -1)
     882                 :             :         {
     883                 :           0 :             nOrderPos = nOrderPosNext++;
     884         [ #  # ]:           0 :             nOrderPosOffsets.push_back(nOrderPos);
     885                 :             : 
     886   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     887                 :             :                 return DBErrors::LOAD_FAIL;
     888                 :             :         }
     889                 :             :         else
     890                 :             :         {
     891                 :           0 :             int64_t nOrderPosOff = 0;
     892         [ #  # ]:           0 :             for (const int64_t& nOffsetStart : nOrderPosOffsets)
     893                 :             :             {
     894         [ #  # ]:           0 :                 if (nOrderPos >= nOffsetStart)
     895                 :           0 :                     ++nOrderPosOff;
     896                 :             :             }
     897                 :           0 :             nOrderPos += nOrderPosOff;
     898         [ #  # ]:           0 :             nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
     899                 :             : 
     900         [ #  # ]:           0 :             if (!nOrderPosOff)
     901                 :           0 :                 continue;
     902                 :             : 
     903                 :             :             // Since we're changing the order, write it back
     904   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     905                 :             :                 return DBErrors::LOAD_FAIL;
     906                 :             :         }
     907                 :             :     }
     908         [ #  # ]:           0 :     batch.WriteOrderPosNext(nOrderPosNext);
     909                 :             : 
     910                 :             :     return DBErrors::LOAD_OK;
     911         [ #  # ]:           0 : }
     912                 :             : 
     913                 :       18080 : int64_t CWallet::IncOrderPosNext(WalletBatch* batch)
     914                 :             : {
     915                 :       18080 :     AssertLockHeld(cs_wallet);
     916                 :       18080 :     int64_t nRet = nOrderPosNext++;
     917         [ +  - ]:       18080 :     if (batch) {
     918                 :       18080 :         batch->WriteOrderPosNext(nOrderPosNext);
     919                 :             :     } else {
     920         [ #  # ]:           0 :         WalletBatch(GetDatabase()).WriteOrderPosNext(nOrderPosNext);
     921                 :             :     }
     922                 :       18080 :     return nRet;
     923                 :             : }
     924                 :             : 
     925                 :         706 : void CWallet::MarkDirty()
     926                 :             : {
     927                 :         706 :     {
     928                 :         706 :         LOCK(cs_wallet);
     929   [ +  +  +  - ]:        3660 :         for (auto& [_, wtx] : mapWallet)
     930                 :        2954 :             wtx.MarkDirty();
     931                 :         706 :     }
     932                 :         706 : }
     933                 :             : 
     934                 :          99 : bool CWallet::MarkReplaced(const Txid& originalHash, const Txid& newHash)
     935                 :             : {
     936                 :          99 :     LOCK(cs_wallet);
     937                 :             : 
     938         [ +  - ]:          99 :     auto mi = mapWallet.find(originalHash);
     939                 :             : 
     940                 :             :     // There is a bug if MarkReplaced is not called on an existing wallet transaction.
     941         [ -  + ]:          99 :     assert(mi != mapWallet.end());
     942                 :             : 
     943         [ +  - ]:          99 :     CWalletTx& wtx = (*mi).second;
     944                 :             : 
     945                 :             :     // Ensure for now that we're not overwriting data
     946   [ +  -  -  + ]:          99 :     assert(wtx.mapValue.count("replaced_by_txid") == 0);
     947                 :             : 
     948   [ +  -  +  -  :          99 :     wtx.mapValue["replaced_by_txid"] = newHash.ToString();
                   +  - ]
     949                 :             : 
     950                 :             :     // Refresh mempool status without waiting for transactionRemovedFromMempool or transactionAddedToMempool
     951         [ +  - ]:          99 :     RefreshMempoolStatus(wtx, chain());
     952                 :             : 
     953         [ +  - ]:          99 :     WalletBatch batch(GetDatabase());
     954                 :             : 
     955                 :          99 :     bool success = true;
     956   [ +  -  -  + ]:          99 :     if (!batch.WriteTx(wtx)) {
     957   [ #  #  #  # ]:           0 :         WalletLogPrintf("%s: Updating batch tx %s failed\n", __func__, wtx.GetHash().ToString());
     958                 :           0 :         success = false;
     959                 :             :     }
     960                 :             : 
     961         [ +  - ]:          99 :     NotifyTransactionChanged(originalHash, CT_UPDATED);
     962                 :             : 
     963                 :          99 :     return success;
     964         [ +  - ]:         198 : }
     965                 :             : 
     966                 :        2025 : void CWallet::SetSpentKeyState(WalletBatch& batch, const Txid& hash, unsigned int n, bool used, std::set<CTxDestination>& tx_destinations)
     967                 :             : {
     968                 :        2025 :     AssertLockHeld(cs_wallet);
     969                 :        2025 :     const CWalletTx* srctx = GetWalletTx(hash);
     970         [ +  + ]:        2025 :     if (!srctx) return;
     971                 :             : 
     972                 :        1883 :     CTxDestination dst;
     973   [ +  -  +  - ]:        1883 :     if (ExtractDestination(srctx->tx->vout[n].scriptPubKey, dst)) {
     974   [ +  -  +  + ]:        1883 :         if (IsMine(dst)) {
     975   [ +  -  +  + ]:        1208 :             if (used != IsAddressPreviouslySpent(dst)) {
     976         [ +  - ]:          19 :                 if (used) {
     977         [ +  - ]:          19 :                     tx_destinations.insert(dst);
     978                 :             :                 }
     979         [ +  - ]:          19 :                 SetAddressPreviouslySpent(batch, dst, used);
     980                 :             :             }
     981                 :             :         }
     982                 :             :     }
     983                 :        1883 : }
     984                 :             : 
     985                 :         439 : bool CWallet::IsSpentKey(const CScript& scriptPubKey) const
     986                 :             : {
     987                 :         439 :     AssertLockHeld(cs_wallet);
     988                 :         439 :     CTxDestination dest;
     989   [ +  -  +  - ]:         439 :     if (!ExtractDestination(scriptPubKey, dest)) {
     990                 :             :         return false;
     991                 :             :     }
     992   [ +  -  +  + ]:         439 :     if (IsAddressPreviouslySpent(dest)) {
     993                 :           6 :         return true;
     994                 :             :     }
     995                 :             :     return false;
     996                 :         439 : }
     997                 :             : 
     998                 :       25253 : CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const UpdateWalletTxFn& update_wtx, bool rescanning_old_block)
     999                 :             : {
    1000                 :       25253 :     LOCK(cs_wallet);
    1001                 :             : 
    1002         [ +  - ]:       25253 :     WalletBatch batch(GetDatabase());
    1003                 :             : 
    1004         [ +  - ]:       25253 :     Txid hash = tx->GetHash();
    1005                 :             : 
    1006   [ +  -  +  + ]:       25253 :     if (IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    1007                 :             :         // Mark used destinations
    1008                 :         862 :         std::set<CTxDestination> tx_destinations;
    1009                 :             : 
    1010         [ +  + ]:        2887 :         for (const CTxIn& txin : tx->vin) {
    1011                 :        2025 :             const COutPoint& op = txin.prevout;
    1012         [ +  - ]:        2025 :             SetSpentKeyState(batch, op.hash, op.n, true, tx_destinations);
    1013                 :             :         }
    1014                 :             : 
    1015         [ +  - ]:         862 :         MarkDestinationsDirty(tx_destinations);
    1016                 :         862 :     }
    1017                 :             : 
    1018                 :             :     // Inserts only if not already there, returns tx inserted or tx found
    1019         [ +  - ]:       25253 :     auto ret = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(tx, state));
    1020         [ +  + ]:       25253 :     CWalletTx& wtx = (*ret.first).second;
    1021                 :       25253 :     bool fInsertedNew = ret.second;
    1022   [ +  +  +  -  :       25253 :     bool fUpdated = update_wtx && update_wtx(wtx, fInsertedNew);
                   -  + ]
    1023         [ +  + ]:       25253 :     if (fInsertedNew) {
    1024         [ +  - ]:       18080 :         wtx.nTimeReceived = GetTime();
    1025         [ +  - ]:       18080 :         wtx.nOrderPos = IncOrderPosNext(&batch);
    1026   [ +  -  +  - ]:       18080 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1027         [ +  - ]:       18080 :         wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
    1028         [ +  - ]:       18080 :         AddToSpends(wtx);
    1029                 :             : 
    1030                 :             :         // Update birth time when tx time is older than it.
    1031   [ +  -  +  - ]:       18080 :         MaybeUpdateBirthTime(wtx.GetTxTime());
    1032                 :             :     }
    1033                 :             : 
    1034                 :        7173 :     if (!fInsertedNew)
    1035                 :             :     {
    1036         [ +  + ]:        7173 :         if (state.index() != wtx.m_state.index()) {
    1037                 :        4180 :             wtx.m_state = state;
    1038                 :        4180 :             fUpdated = true;
    1039                 :             :         } else {
    1040         [ -  + ]:        2993 :             assert(TxStateSerializedIndex(wtx.m_state) == TxStateSerializedIndex(state));
    1041         [ -  + ]:        2993 :             assert(TxStateSerializedBlockHash(wtx.m_state) == TxStateSerializedBlockHash(state));
    1042                 :             :         }
    1043                 :             :         // If we have a witness-stripped version of this transaction, and we
    1044                 :             :         // see a new version with a witness, then we must be upgrading a pre-segwit
    1045                 :             :         // wallet.  Store the new version of the transaction with the witness,
    1046                 :             :         // as the stripped-version must be invalid.
    1047                 :             :         // TODO: Store all versions of the transaction, instead of just one.
    1048   [ +  +  -  + ]:        7173 :         if (tx->HasWitness() && !wtx.tx->HasWitness()) {
    1049   [ #  #  #  # ]:           0 :             wtx.SetTx(tx);
    1050                 :           0 :             fUpdated = true;
    1051                 :             :         }
    1052                 :             :     }
    1053                 :             : 
    1054                 :             :     // Mark inactive coinbase transactions and their descendants as abandoned
    1055         [ +  + ]:       25253 :     if (wtx.IsCoinBase() && wtx.isInactive()) {
    1056         [ +  - ]:         537 :         std::vector<CWalletTx*> txs{&wtx};
    1057                 :             : 
    1058                 :         537 :         TxStateInactive inactive_state = TxStateInactive{/*abandoned=*/true};
    1059                 :             : 
    1060         [ +  + ]:        1075 :         while (!txs.empty()) {
    1061                 :         538 :             CWalletTx* desc_tx = txs.back();
    1062         [ +  + ]:         538 :             txs.pop_back();
    1063         [ +  + ]:         538 :             desc_tx->m_state = inactive_state;
    1064                 :             :             // Break caches since we have changed the state
    1065         [ +  - ]:         538 :             desc_tx->MarkDirty();
    1066         [ +  - ]:         538 :             batch.WriteTx(*desc_tx);
    1067         [ +  - ]:         538 :             MarkInputsDirty(desc_tx->tx);
    1068         [ +  + ]:        1614 :             for (unsigned int i = 0; i < desc_tx->tx->vout.size(); ++i) {
    1069                 :        1076 :                 COutPoint outpoint(desc_tx->GetHash(), i);
    1070                 :        1076 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(outpoint);
    1071         [ +  + ]:        1077 :                 for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
    1072         [ +  - ]:           1 :                     const auto wit = mapWallet.find(it->second);
    1073         [ +  - ]:           1 :                     if (wit != mapWallet.end()) {
    1074         [ +  - ]:           1 :                         txs.push_back(&wit->second);
    1075                 :             :                     }
    1076                 :             :                 }
    1077                 :             :             }
    1078                 :             :         }
    1079                 :         537 :     }
    1080                 :             : 
    1081                 :             :     //// debug print
    1082   [ +  -  +  +  :       77295 :     WalletLogPrintf("AddToWallet %s  %s%s %s\n", hash.ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""), TxStateString(state));
          +  +  +  -  +  
                      - ]
    1083                 :             : 
    1084                 :             :     // Write to disk
    1085         [ +  + ]:       25253 :     if (fInsertedNew || fUpdated)
    1086   [ +  -  +  - ]:       22261 :         if (!batch.WriteTx(wtx))
    1087                 :             :             return nullptr;
    1088                 :             : 
    1089                 :             :     // Break debit/credit balance caches:
    1090         [ +  - ]:       25253 :     wtx.MarkDirty();
    1091                 :             : 
    1092                 :             :     // Cache the outputs that belong to the wallet
    1093         [ +  - ]:       25253 :     RefreshTXOsFromTx(wtx);
    1094                 :             : 
    1095                 :             :     // Notify UI of new or updated transaction
    1096   [ +  +  +  - ]:       32426 :     NotifyTransactionChanged(hash, fInsertedNew ? CT_NEW : CT_UPDATED);
    1097                 :             : 
    1098                 :             : #if HAVE_SYSTEM
    1099                 :             :     // notify an external script when a wallet transaction comes in or is updated
    1100         [ +  - ]:       25253 :     std::string strCmd = m_notify_tx_changed_script;
    1101                 :             : 
    1102         [ +  + ]:       25253 :     if (!strCmd.empty())
    1103                 :             :     {
    1104   [ +  -  +  -  :          52 :         ReplaceAll(strCmd, "%s", hash.GetHex());
                   +  - ]
    1105         [ +  + ]:          26 :         if (auto* conf = wtx.state<TxStateConfirmed>())
    1106                 :             :         {
    1107   [ +  -  +  -  :          44 :             ReplaceAll(strCmd, "%b", conf->confirmed_block_hash.GetHex());
                   +  - ]
    1108   [ +  -  +  -  :          44 :             ReplaceAll(strCmd, "%h", ToString(conf->confirmed_block_height));
                   +  - ]
    1109                 :             :         } else {
    1110   [ +  -  +  -  :           8 :             ReplaceAll(strCmd, "%b", "unconfirmed");
                   +  - ]
    1111   [ +  -  +  -  :           8 :             ReplaceAll(strCmd, "%h", "-1");
                   +  - ]
    1112                 :             :         }
    1113                 :             : #ifndef WIN32
    1114                 :             :         // Substituting the wallet name isn't currently supported on windows
    1115                 :             :         // because windows shell escaping has not been implemented yet:
    1116                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-537384875
    1117                 :             :         // A few ways it could be implemented in the future are described in:
    1118                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-461288094
    1119   [ +  -  +  -  :          52 :         ReplaceAll(strCmd, "%w", ShellEscape(GetName()));
                   +  - ]
    1120                 :             : #endif
    1121         [ +  - ]:          26 :         std::thread t(runCommand, strCmd);
    1122         [ +  - ]:          26 :         t.detach(); // thread runs free
    1123                 :          26 :     }
    1124                 :             : #endif
    1125                 :             : 
    1126                 :       25253 :     return &wtx;
    1127         [ +  - ]:       75759 : }
    1128                 :             : 
    1129                 :        7661 : bool CWallet::LoadToWallet(const Txid& hash, const UpdateWalletTxFn& fill_wtx)
    1130                 :             : {
    1131                 :        7661 :     const auto& ins = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(nullptr, TxStateInactive{}));
    1132                 :        7661 :     CWalletTx& wtx = ins.first->second;
    1133         [ +  - ]:        7661 :     if (!fill_wtx(wtx, ins.second)) {
    1134                 :             :         return false;
    1135                 :             :     }
    1136                 :             :     // If wallet doesn't have a chain (e.g when using bitcoin-wallet tool),
    1137                 :             :     // don't bother to update txn.
    1138         [ +  + ]:        7661 :     if (HaveChain()) {
    1139                 :        7585 :       wtx.updateState(chain());
    1140                 :             :     }
    1141         [ +  - ]:        7661 :     if (/* insertion took place */ ins.second) {
    1142                 :        7661 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1143                 :             :     }
    1144                 :        7661 :     AddToSpends(wtx);
    1145         [ +  + ]:       15509 :     for (const CTxIn& txin : wtx.tx->vin) {
    1146                 :        7848 :         auto it = mapWallet.find(txin.prevout.hash);
    1147         [ +  + ]:        7848 :         if (it != mapWallet.end()) {
    1148         [ +  + ]:         484 :             CWalletTx& prevtx = it->second;
    1149         [ +  + ]:        7851 :             if (auto* prev = prevtx.state<TxStateBlockConflicted>()) {
    1150                 :           3 :                 MarkConflicted(prev->conflicting_block_hash, prev->conflicting_block_height, wtx.GetHash());
    1151                 :             :             }
    1152                 :             :         }
    1153                 :             :     }
    1154                 :             : 
    1155                 :             :     // Update birth time when tx time is older than it.
    1156                 :        7661 :     MaybeUpdateBirthTime(wtx.GetTxTime());
    1157                 :             : 
    1158                 :             :     // Make sure the tx outputs are known by the wallet
    1159                 :        7661 :     RefreshTXOsFromTx(wtx);
    1160                 :        7661 :     return true;
    1161                 :             : }
    1162                 :             : 
    1163                 :      140783 : bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const SyncTxState& state, bool fUpdate, bool rescanning_old_block)
    1164                 :             : {
    1165         [ +  + ]:      140783 :     const CTransaction& tx = *ptx;
    1166                 :      140783 :     {
    1167                 :      140783 :         AssertLockHeld(cs_wallet);
    1168                 :             : 
    1169         [ +  + ]:      140783 :         if (auto* conf = std::get_if<TxStateConfirmed>(&state)) {
    1170         [ +  + ]:      302034 :             for (const CTxIn& txin : tx.vin) {
    1171                 :      169962 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
    1172         [ +  + ]:      177389 :                 while (range.first != range.second) {
    1173         [ +  + ]:        7427 :                     if (range.first->second != tx.GetHash()) {
    1174   [ +  -  +  -  :         292 :                         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);
             +  -  +  - ]
    1175                 :         146 :                         MarkConflicted(conf->confirmed_block_hash, conf->confirmed_block_height, range.first->second);
    1176                 :             :                     }
    1177                 :        7427 :                     range.first++;
    1178                 :             :                 }
    1179                 :             :             }
    1180                 :             :         }
    1181                 :             : 
    1182                 :      140783 :         bool fExisted = mapWallet.count(tx.GetHash()) != 0;
    1183         [ +  - ]:      140783 :         if (fExisted && !fUpdate) return false;
    1184   [ +  +  +  +  :      140783 :         if (fExisted || IsMine(tx) || IsFromMe(tx))
                   +  + ]
    1185                 :             :         {
    1186                 :             :             /* Check if any keys in the wallet keypool that were supposed to be unused
    1187                 :             :              * have appeared in a new transaction. If so, remove those keys from the keypool.
    1188                 :             :              * This can happen when restoring an old wallet backup that does not contain
    1189                 :             :              * the mostly recently created transactions from newer versions of the wallet.
    1190                 :             :              */
    1191                 :             : 
    1192                 :             :             // loop though all outputs
    1193         [ +  + ]:      131837 :             for (const CTxOut& txout: tx.vout) {
    1194         [ +  + ]:      155443 :                 for (const auto& spk_man : GetScriptPubKeyMans(txout.scriptPubKey)) {
    1195   [ +  -  +  + ]:       75786 :                     for (auto &dest : spk_man->MarkUnusedAddresses(txout.scriptPubKey)) {
    1196                 :             :                         // If internal flag is not defined try to infer it from the ScriptPubKeyMan
    1197         [ +  - ]:       28386 :                         if (!dest.internal.has_value()) {
    1198         [ +  - ]:       28386 :                             dest.internal = IsInternalScriptPubKeyMan(spk_man);
    1199                 :             :                         }
    1200                 :             : 
    1201                 :             :                         // skip if can't determine whether it's a receiving address or not
    1202         [ +  + ]:       28386 :                         if (!dest.internal.has_value()) continue;
    1203                 :             : 
    1204                 :             :                         // If this is a receiving address and it's not in the address book yet
    1205                 :             :                         // (e.g. it wasn't generated on this node or we're restoring from backup)
    1206                 :             :                         // add it to the address book for proper transaction accounting
    1207   [ +  +  +  -  :       18590 :                         if (!*dest.internal && !FindAddressBookEntry(dest.dest, /* allow_change= */ false)) {
                   +  + ]
    1208   [ +  -  +  - ]:       22718 :                             SetAddressBook(dest.dest, "", AddressPurpose::RECEIVE);
    1209                 :             :                         }
    1210                 :       47400 :                     }
    1211                 :      108043 :                 }
    1212                 :             :             }
    1213                 :             : 
    1214                 :             :             // Block disconnection override an abandoned tx as unconfirmed
    1215                 :             :             // which means user may have to call abandontransaction again
    1216         [ +  - ]:       47588 :             TxState tx_state = std::visit([](auto&& s) -> TxState { return s; }, state);
    1217   [ +  -  +  -  :       71382 :             CWalletTx* wtx = AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, rescanning_old_block);
                   +  - ]
    1218         [ -  + ]:       23794 :             if (!wtx) {
    1219                 :             :                 // Can only be nullptr if there was a db write error (missing db, read-only db or a db engine internal writing error).
    1220                 :             :                 // As we only store arriving transaction in this process, and we don't want an inconsistent state, let's throw an error.
    1221         [ #  # ]:           0 :                 throw std::runtime_error("DB error adding transaction to wallet, write failed");
    1222                 :             :             }
    1223                 :             :             return true;
    1224                 :             :         }
    1225                 :             :     }
    1226                 :             :     return false;
    1227                 :             : }
    1228                 :             : 
    1229                 :           0 : bool CWallet::TransactionCanBeAbandoned(const Txid& hashTx) const
    1230                 :             : {
    1231                 :           0 :     LOCK(cs_wallet);
    1232         [ #  # ]:           0 :     const CWalletTx* wtx = GetWalletTx(hashTx);
    1233   [ #  #  #  #  :           0 :     return wtx && !wtx->isAbandoned() && GetTxDepthInMainChain(*wtx) == 0 && !wtx->InMempool();
          #  #  #  #  #  
                #  #  # ]
    1234                 :           0 : }
    1235                 :             : 
    1236                 :       29945 : void CWallet::MarkInputsDirty(const CTransactionRef& tx)
    1237                 :             : {
    1238         [ +  + ]:       70238 :     for (const CTxIn& txin : tx->vin) {
    1239                 :       40293 :         auto it = mapWallet.find(txin.prevout.hash);
    1240         [ +  + ]:       61411 :         if (it != mapWallet.end()) {
    1241                 :       21118 :             it->second.MarkDirty();
    1242                 :             :         }
    1243                 :             :     }
    1244                 :       29945 : }
    1245                 :             : 
    1246                 :           8 : bool CWallet::AbandonTransaction(const Txid& hashTx)
    1247                 :             : {
    1248                 :           8 :     LOCK(cs_wallet);
    1249         [ +  - ]:           8 :     auto it = mapWallet.find(hashTx);
    1250         [ -  + ]:           8 :     assert(it != mapWallet.end());
    1251   [ +  -  +  - ]:           8 :     return AbandonTransaction(it->second);
    1252                 :           8 : }
    1253                 :             : 
    1254                 :         600 : bool CWallet::AbandonTransaction(CWalletTx& tx)
    1255                 :             : {
    1256                 :             :     // Can't mark abandoned if confirmed or in mempool
    1257   [ +  +  +  + ]:         600 :     if (GetTxDepthInMainChain(tx) != 0 || tx.InMempool()) {
    1258                 :           3 :         return false;
    1259                 :             :     }
    1260                 :             : 
    1261                 :        1217 :     auto try_updating_state = [](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1262                 :             :         // If the orig tx was not in block/mempool, none of its spends can be.
    1263         [ +  - ]:         620 :         assert(!wtx.isConfirmed());
    1264         [ -  + ]:         620 :         assert(!wtx.InMempool());
    1265                 :             :         // If already conflicted or abandoned, no need to set abandoned
    1266   [ +  -  +  - ]:         620 :         if (!wtx.isBlockConflicted() && !wtx.isAbandoned()) {
    1267         [ +  - ]:         511 :             wtx.m_state = TxStateInactive{/*abandoned=*/true};
    1268                 :         511 :             return TxUpdate::NOTIFY_CHANGED;
    1269                 :             :         }
    1270                 :             :         return TxUpdate::UNCHANGED;
    1271                 :             :     };
    1272                 :             : 
    1273                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too.
    1274                 :             :     // States are not permanent, so these transactions can become unabandoned if they are re-added to the
    1275                 :             :     // mempool, or confirmed in a block, or conflicted.
    1276                 :             :     // Note: If the reorged coinbase is re-added to the main chain, the descendants that have not had their
    1277                 :             :     // states change will remain abandoned and will require manual broadcast if the user wants them.
    1278                 :             : 
    1279         [ +  - ]:         597 :     RecursiveUpdateTxState(tx.GetHash(), try_updating_state);
    1280                 :             : 
    1281                 :         597 :     return true;
    1282                 :             : }
    1283                 :             : 
    1284                 :         149 : void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, const Txid& hashTx)
    1285                 :             : {
    1286                 :         149 :     LOCK(cs_wallet);
    1287                 :             : 
    1288                 :             :     // If number of conflict confirms cannot be determined, this means
    1289                 :             :     // that the block is still unknown or not yet part of the main chain,
    1290                 :             :     // for example when loading the wallet during a reindex. Do nothing in that
    1291                 :             :     // case.
    1292   [ +  +  +  - ]:         149 :     if (m_last_block_processed_height < 0 || conflicting_height < 0) {
    1293                 :             :         return;
    1294                 :             :     }
    1295                 :         146 :     int conflictconfirms = (m_last_block_processed_height - conflicting_height + 1) * -1;
    1296         [ +  - ]:         146 :     if (conflictconfirms >= 0)
    1297                 :             :         return;
    1298                 :             : 
    1299                 :         301 :     auto try_updating_state = [&](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1300         [ +  + ]:         155 :         if (conflictconfirms < GetTxDepthInMainChain(wtx)) {
    1301                 :             :             // Block is 'more conflicted' than current confirm; update.
    1302                 :             :             // Mark transaction as conflicted with this block.
    1303                 :         147 :             wtx.m_state = TxStateBlockConflicted{hashBlock, conflicting_height};
    1304                 :         147 :             return TxUpdate::CHANGED;
    1305                 :             :         }
    1306                 :             :         return TxUpdate::UNCHANGED;
    1307                 :         146 :     };
    1308                 :             : 
    1309                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too.
    1310   [ +  -  +  -  :         292 :     RecursiveUpdateTxState(hashTx, try_updating_state);
                   +  - ]
    1311                 :             : 
    1312                 :         149 : }
    1313                 :             : 
    1314                 :         751 : void CWallet::RecursiveUpdateTxState(const Txid& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1315                 :         751 :     WalletBatch batch(GetDatabase());
    1316         [ +  - ]:         751 :     RecursiveUpdateTxState(&batch, tx_hash, try_updating_state);
    1317                 :         751 : }
    1318                 :             : 
    1319                 :       16243 : void CWallet::RecursiveUpdateTxState(WalletBatch* batch, const Txid& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1320         [ +  - ]:       16243 :     std::set<Txid> todo;
    1321                 :       16243 :     std::set<Txid> done;
    1322                 :             : 
    1323         [ +  - ]:       16243 :     todo.insert(tx_hash);
    1324                 :             : 
    1325         [ +  + ]:       32539 :     while (!todo.empty()) {
    1326                 :       16296 :         Txid now = *todo.begin();
    1327                 :       16296 :         todo.erase(now);
    1328         [ +  - ]:       16296 :         done.insert(now);
    1329         [ +  - ]:       16296 :         auto it = mapWallet.find(now);
    1330         [ -  + ]:       16296 :         assert(it != mapWallet.end());
    1331         [ +  - ]:       16296 :         CWalletTx& wtx = it->second;
    1332                 :             : 
    1333         [ +  - ]:       16296 :         TxUpdate update_state = try_updating_state(wtx);
    1334         [ +  + ]:       16296 :         if (update_state != TxUpdate::UNCHANGED) {
    1335         [ +  + ]:        5613 :             wtx.MarkDirty();
    1336   [ +  +  +  - ]:        5613 :             if (batch) batch->WriteTx(wtx);
    1337                 :             :             // Iterate over all its outputs, and update those tx states as well (if applicable)
    1338         [ +  + ]:       16916 :             for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
    1339                 :       11303 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(now, i));
    1340         [ +  + ]:       11356 :                 for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
    1341         [ +  - ]:          53 :                     if (!done.count(iter->second)) {
    1342         [ +  - ]:          53 :                         todo.insert(iter->second);
    1343                 :             :                     }
    1344                 :             :                 }
    1345                 :             :             }
    1346                 :             : 
    1347         [ +  + ]:        5613 :             if (update_state == TxUpdate::NOTIFY_CHANGED) {
    1348         [ +  - ]:         511 :                 NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
    1349                 :             :             }
    1350                 :             : 
    1351                 :             :             // If a transaction changes its tx state, that usually changes the balance
    1352                 :             :             // available of the outputs it spends. So force those to be recomputed
    1353         [ +  - ]:        5613 :             MarkInputsDirty(wtx.tx);
    1354                 :             :         }
    1355                 :             :     }
    1356                 :       16243 : }
    1357                 :             : 
    1358                 :      140783 : bool CWallet::SyncTransaction(const CTransactionRef& ptx, const SyncTxState& state, bool update_tx, bool rescanning_old_block)
    1359                 :             : {
    1360         [ +  + ]:      140783 :     if (!AddToWalletIfInvolvingMe(ptx, state, update_tx, rescanning_old_block))
    1361                 :             :         return false; // Not one of ours
    1362                 :             : 
    1363                 :             :     // If a transaction changes 'conflicted' state, that changes the balance
    1364                 :             :     // available of the outputs it spends. So force those to be
    1365                 :             :     // recomputed, also:
    1366                 :       23794 :     MarkInputsDirty(ptx);
    1367                 :       23794 :     return true;
    1368                 :             : }
    1369                 :             : 
    1370                 :        5218 : void CWallet::transactionAddedToMempool(const CTransactionRef& tx) {
    1371                 :        5218 :     LOCK(cs_wallet);
    1372         [ +  - ]:        5218 :     SyncTransaction(tx, TxStateInMempool{});
    1373                 :             : 
    1374         [ +  - ]:        5218 :     auto it = mapWallet.find(tx->GetHash());
    1375         [ +  + ]:        5218 :     if (it != mapWallet.end()) {
    1376         [ +  - ]:        3385 :         RefreshMempoolStatus(it->second, chain());
    1377                 :             :     }
    1378                 :             : 
    1379                 :        5218 :     const Txid& txid = tx->GetHash();
    1380                 :             : 
    1381         [ +  + ]:       16377 :     for (const CTxIn& tx_in : tx->vin) {
    1382                 :             :         // For each wallet transaction spending this prevout..
    1383         [ +  + ]:       21549 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1384         [ +  + ]:       10390 :             const Txid& spent_id = range.first->second;
    1385                 :             :             // Skip the recently added tx
    1386         [ +  + ]:       10390 :             if (spent_id == txid) continue;
    1387         [ +  - ]:        4980 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1388         [ +  + ]:        2499 :                 return wtx.mempool_conflicts.insert(txid).second ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1389                 :             :             });
    1390                 :             :         }
    1391                 :             :     }
    1392                 :        5218 : }
    1393                 :             : 
    1394                 :       46172 : void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason) {
    1395                 :       46172 :     LOCK(cs_wallet);
    1396         [ +  - ]:       46172 :     auto it = mapWallet.find(tx->GetHash());
    1397         [ +  + ]:       46172 :     if (it != mapWallet.end()) {
    1398         [ +  - ]:       14362 :         RefreshMempoolStatus(it->second, chain());
    1399                 :             :     }
    1400                 :             :     // Handle transactions that were removed from the mempool because they
    1401                 :             :     // conflict with transactions in a newly connected block.
    1402         [ +  + ]:       46172 :     if (reason == MemPoolRemovalReason::CONFLICT) {
    1403                 :             :         // Trigger external -walletnotify notifications for these transactions.
    1404                 :             :         // Set Status::UNCONFIRMED instead of Status::CONFLICTED for a few reasons:
    1405                 :             :         //
    1406                 :             :         // 1. The transactionRemovedFromMempool callback does not currently
    1407                 :             :         //    provide the conflicting block's hash and height, and for backwards
    1408                 :             :         //    compatibility reasons it may not be not safe to store conflicted
    1409                 :             :         //    wallet transactions with a null block hash. See
    1410                 :             :         //    https://github.com/bitcoin/bitcoin/pull/18600#discussion_r420195993.
    1411                 :             :         // 2. For most of these transactions, the wallet's internal conflict
    1412                 :             :         //    detection in the blockConnected handler will subsequently call
    1413                 :             :         //    MarkConflicted and update them with CONFLICTED status anyway. This
    1414                 :             :         //    applies to any wallet transaction that has inputs spent in the
    1415                 :             :         //    block, or that has ancestors in the wallet with inputs spent by
    1416                 :             :         //    the block.
    1417                 :             :         // 3. Longstanding behavior since the sync implementation in
    1418                 :             :         //    https://github.com/bitcoin/bitcoin/pull/9371 and the prior sync
    1419                 :             :         //    implementation before that was to mark these transactions
    1420                 :             :         //    unconfirmed rather than conflicted.
    1421                 :             :         //
    1422                 :             :         // Nothing described above should be seen as an unchangeable requirement
    1423                 :             :         // when improving this code in the future. The wallet's heuristics for
    1424                 :             :         // distinguishing between conflicted and unconfirmed transactions are
    1425                 :             :         // imperfect, and could be improved in general, see
    1426                 :             :         // https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking
    1427         [ +  - ]:          13 :         SyncTransaction(tx, TxStateInactive{});
    1428                 :             :     }
    1429                 :             : 
    1430                 :       46172 :     const Txid& txid = tx->GetHash();
    1431                 :             : 
    1432         [ +  + ]:       99241 :     for (const CTxIn& tx_in : tx->vin) {
    1433                 :             :         // Iterate over all wallet transactions spending txin.prev
    1434                 :             :         // and recursively mark them as no longer conflicting with
    1435                 :             :         // txid
    1436         [ +  + ]:       66071 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1437         [ +  - ]:       13002 :             const Txid& spent_id = range.first->second;
    1438                 :             : 
    1439         [ +  - ]:       26004 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1440         [ +  + ]:       13010 :                 return wtx.mempool_conflicts.erase(txid) ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1441                 :             :             });
    1442                 :             :         }
    1443                 :             :     }
    1444                 :       46172 : }
    1445                 :             : 
    1446                 :       39847 : void CWallet::blockConnected(ChainstateRole role, const interfaces::BlockInfo& block)
    1447                 :             : {
    1448         [ +  + ]:       39847 :     if (role == ChainstateRole::BACKGROUND) {
    1449                 :             :         return;
    1450                 :             :     }
    1451         [ -  + ]:       39747 :     assert(block.data);
    1452                 :       39747 :     LOCK(cs_wallet);
    1453                 :             : 
    1454                 :             :     // Update the best block in memory first. This will set the best block's height, which is
    1455                 :             :     // needed by MarkConflicted.
    1456         [ +  - ]:       39747 :     SetLastBlockProcessedInMem(block.height, block.hash);
    1457                 :             : 
    1458                 :             :     // No need to scan block if it was created before the wallet birthday.
    1459                 :             :     // Uses chain max time and twice the grace period to adjust time for block time variability.
    1460   [ +  +  +  - ]:       39747 :     if (block.chain_time_max < m_birth_time.load() - (TIMESTAMP_WINDOW * 2)) return;
    1461                 :             : 
    1462                 :             :     // Scan block
    1463                 :             :     bool wallet_updated = false;
    1464         [ +  + ]:       85235 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1465         [ +  - ]:       45951 :         wallet_updated |= SyncTransaction(block.data->vtx[index], TxStateConfirmed{block.hash, block.height, static_cast<int>(index)});
    1466         [ +  - ]:       45951 :         transactionRemovedFromMempool(block.data->vtx[index], MemPoolRemovalReason::BLOCK);
    1467                 :             :     }
    1468                 :             : 
    1469                 :             :     // Update on disk if this block resulted in us updating a tx, or periodically every 144 blocks (~1 day)
    1470   [ +  +  +  + ]:       39284 :     if (wallet_updated || block.height % 144 == 0) {
    1471         [ +  - ]:       12087 :         WriteBestBlock();
    1472                 :             :     }
    1473                 :       39747 : }
    1474                 :             : 
    1475                 :        3436 : void CWallet::blockDisconnected(const interfaces::BlockInfo& block)
    1476                 :             : {
    1477         [ -  + ]:        3436 :     assert(block.data);
    1478                 :        3436 :     LOCK(cs_wallet);
    1479                 :             : 
    1480                 :             :     // At block disconnection, this will change an abandoned transaction to
    1481                 :             :     // be unconfirmed, whether or not the transaction is added back to the mempool.
    1482                 :             :     // User may have to call abandontransaction again. It may be addressed in the
    1483                 :             :     // future with a stickier abandoned state or even removing abandontransaction call.
    1484                 :        3436 :     int disconnect_height = block.height;
    1485                 :             : 
    1486         [ +  + ]:        6916 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1487         [ +  - ]:        3480 :         const CTransactionRef& ptx = block.data->vtx[index];
    1488                 :             :         // Coinbase transactions are not only inactive but also abandoned,
    1489                 :             :         // meaning they should never be relayed standalone via the p2p protocol.
    1490         [ +  - ]:        3480 :         SyncTransaction(ptx, TxStateInactive{/*abandoned=*/index == 0});
    1491                 :             : 
    1492         [ +  + ]:        7065 :         for (const CTxIn& tx_in : ptx->vin) {
    1493                 :             :             // No other wallet transactions conflicted with this transaction
    1494         [ +  + ]:        3585 :             if (mapTxSpends.count(tx_in.prevout) < 1) continue;
    1495                 :             : 
    1496                 :          85 :             std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(tx_in.prevout);
    1497                 :             : 
    1498                 :             :             // For all of the spends that conflict with this transaction
    1499         [ +  + ]:        3678 :             for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it) {
    1500   [ +  +  +  - ]:          93 :                 CWalletTx& wtx = mapWallet.find(_it->second)->second;
    1501                 :             : 
    1502         [ +  + ]:          93 :                 if (!wtx.isBlockConflicted()) continue;
    1503                 :             : 
    1504                 :          20 :                 auto try_updating_state = [&](CWalletTx& tx) {
    1505         [ +  - ]:          12 :                     if (!tx.isBlockConflicted()) return TxUpdate::UNCHANGED;
    1506         [ +  + ]:          12 :                     if (tx.state<TxStateBlockConflicted>()->conflicting_block_height >= disconnect_height) {
    1507         [ -  + ]:          11 :                         tx.m_state = TxStateInactive{};
    1508                 :          11 :                         return TxUpdate::CHANGED;
    1509                 :             :                     }
    1510                 :             :                     return TxUpdate::UNCHANGED;
    1511                 :           8 :                 };
    1512                 :             : 
    1513         [ +  - ]:          16 :                 RecursiveUpdateTxState(wtx.tx->GetHash(), try_updating_state);
    1514                 :             :             }
    1515                 :             :         }
    1516                 :             :     }
    1517                 :             : 
    1518                 :             :     // Update the best block
    1519   [ +  -  +  - ]:        3436 :     SetLastBlockProcessed(block.height - 1, *Assert(block.prev_hash));
    1520                 :        3436 : }
    1521                 :             : 
    1522                 :       37624 : void CWallet::updatedBlockTip()
    1523                 :             : {
    1524                 :       37624 :     m_best_block_time = GetTime();
    1525                 :       37624 : }
    1526                 :             : 
    1527                 :        5778 : void CWallet::BlockUntilSyncedToCurrentChain() const {
    1528                 :        5778 :     AssertLockNotHeld(cs_wallet);
    1529                 :             :     // Skip the queue-draining stuff if we know we're caught up with
    1530                 :             :     // chain().Tip(), otherwise put a callback in the validation interface queue and wait
    1531                 :             :     // for the queue to drain enough to execute it (indicating we are caught up
    1532                 :             :     // at least with the time we entered this function).
    1533         [ +  - ]:       11556 :     uint256 last_block_hash = WITH_LOCK(cs_wallet, return m_last_block_processed);
    1534                 :        5778 :     chain().waitForNotificationsIfTipChanged(last_block_hash);
    1535                 :        5778 : }
    1536                 :             : 
    1537                 :             : // Note that this function doesn't distinguish between a 0-valued input,
    1538                 :             : // and a not-"is mine" (according to the filter) input.
    1539                 :      169852 : CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
    1540                 :             : {
    1541                 :      169852 :     LOCK(cs_wallet);
    1542         [ +  - ]:      169852 :     auto txo = GetTXO(txin.prevout);
    1543   [ +  +  +  - ]:      169852 :     if (txo && (txo->GetIsMine() & filter)) {
    1544                 :        6974 :         return txo->GetTxOut().nValue;
    1545                 :             :     }
    1546                 :             :     return 0;
    1547                 :      169852 : }
    1548                 :             : 
    1549                 :      731091 : isminetype CWallet::IsMine(const CTxOut& txout) const
    1550                 :             : {
    1551                 :      731091 :     AssertLockHeld(cs_wallet);
    1552                 :      731091 :     return IsMine(txout.scriptPubKey);
    1553                 :             : }
    1554                 :             : 
    1555                 :       32031 : isminetype CWallet::IsMine(const CTxDestination& dest) const
    1556                 :             : {
    1557                 :       32031 :     AssertLockHeld(cs_wallet);
    1558         [ +  - ]:       32031 :     return IsMine(GetScriptForDestination(dest));
    1559                 :             : }
    1560                 :             : 
    1561                 :      765273 : isminetype CWallet::IsMine(const CScript& script) const
    1562                 :             : {
    1563                 :      765273 :     AssertLockHeld(cs_wallet);
    1564                 :             : 
    1565                 :             :     // Search the cache so that IsMine is called only on the relevant SPKMs instead of on everything in m_spk_managers
    1566                 :      765273 :     const auto& it = m_cached_spks.find(script);
    1567         [ +  + ]:      765273 :     if (it != m_cached_spks.end()) {
    1568                 :      366575 :         isminetype res = ISMINE_NO;
    1569         [ +  + ]:      733193 :         for (const auto& spkm : it->second) {
    1570         [ +  + ]:      366661 :             res = std::max(res, spkm->IsMine(script));
    1571                 :             :         }
    1572                 :      366575 :         Assume(res == ISMINE_SPENDABLE);
    1573                 :      366575 :         return res;
    1574                 :             :     }
    1575                 :             : 
    1576                 :             :     return ISMINE_NO;
    1577                 :             : }
    1578                 :             : 
    1579                 :      133692 : bool CWallet::IsMine(const CTransaction& tx) const
    1580                 :             : {
    1581                 :      133692 :     AssertLockHeld(cs_wallet);
    1582         [ +  + ]:      441293 :     for (const CTxOut& txout : tx.vout)
    1583         [ +  + ]:      324116 :         if (IsMine(txout))
    1584                 :             :             return true;
    1585                 :             :     return false;
    1586                 :             : }
    1587                 :             : 
    1588                 :        2947 : isminetype CWallet::IsMine(const COutPoint& outpoint) const
    1589                 :             : {
    1590                 :        2947 :     AssertLockHeld(cs_wallet);
    1591                 :        2947 :     auto wtx = GetWalletTx(outpoint.hash);
    1592         [ +  + ]:        2947 :     if (!wtx) {
    1593                 :             :         return ISMINE_NO;
    1594                 :             :     }
    1595         [ +  - ]:        2925 :     if (outpoint.n >= wtx->tx->vout.size()) {
    1596                 :             :         return ISMINE_NO;
    1597                 :             :     }
    1598                 :        2925 :     return IsMine(wtx->tx->vout[outpoint.n]);
    1599                 :             : }
    1600                 :             : 
    1601                 :      117176 : bool CWallet::IsFromMe(const CTransaction& tx) const
    1602                 :             : {
    1603                 :      117176 :     return (GetDebit(tx, ISMINE_ALL) > 0);
    1604                 :             : }
    1605                 :             : 
    1606                 :      127721 : CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
    1607                 :             : {
    1608                 :      127721 :     CAmount nDebit = 0;
    1609         [ +  + ]:      297560 :     for (const CTxIn& txin : tx.vin)
    1610                 :             :     {
    1611                 :      169839 :         nDebit += GetDebit(txin, filter);
    1612         [ -  + ]:      169839 :         if (!MoneyRange(nDebit))
    1613   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": value out of range");
    1614                 :             :     }
    1615                 :      127721 :     return nDebit;
    1616                 :             : }
    1617                 :             : 
    1618                 :           4 : bool CWallet::IsHDEnabled() const
    1619                 :             : {
    1620                 :             :     // All Active ScriptPubKeyMans must be HD for this to be true
    1621                 :           4 :     bool result = false;
    1622         [ +  + ]:          36 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    1623   [ +  -  -  + ]:          32 :         if (!spk_man->IsHDEnabled()) return false;
    1624                 :          32 :         result = true;
    1625                 :           0 :     }
    1626                 :           4 :     return result;
    1627                 :             : }
    1628                 :             : 
    1629                 :       10382 : bool CWallet::CanGetAddresses(bool internal) const
    1630                 :             : {
    1631                 :       10382 :     LOCK(cs_wallet);
    1632         [ +  + ]:       10382 :     if (m_spk_managers.empty()) return false;
    1633         [ +  + ]:       11282 :     for (OutputType t : OUTPUT_TYPES) {
    1634         [ +  - ]:       11269 :         auto spk_man = GetScriptPubKeyMan(t, internal);
    1635   [ +  +  +  -  :       11269 :         if (spk_man && spk_man->CanGetAddresses(internal)) {
                   -  + ]
    1636                 :             :             return true;
    1637                 :             :         }
    1638                 :             :     }
    1639                 :             :     return false;
    1640                 :       10382 : }
    1641                 :             : 
    1642                 :          96 : void CWallet::SetWalletFlag(uint64_t flags)
    1643                 :             : {
    1644                 :          96 :     WalletBatch batch(GetDatabase());
    1645         [ +  - ]:          96 :     return SetWalletFlagWithDB(batch, flags);
    1646                 :          96 : }
    1647                 :             : 
    1648                 :         125 : void CWallet::SetWalletFlagWithDB(WalletBatch& batch, uint64_t flags)
    1649                 :             : {
    1650                 :         125 :     LOCK(cs_wallet);
    1651         [ +  - ]:         125 :     m_wallet_flags |= flags;
    1652   [ +  -  -  + ]:         125 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1653   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1654                 :         125 : }
    1655                 :             : 
    1656                 :           1 : void CWallet::UnsetWalletFlag(uint64_t flag)
    1657                 :             : {
    1658                 :           1 :     WalletBatch batch(GetDatabase());
    1659         [ +  - ]:           1 :     UnsetWalletFlagWithDB(batch, flag);
    1660                 :           1 : }
    1661                 :             : 
    1662                 :        3035 : void CWallet::UnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
    1663                 :             : {
    1664                 :        3035 :     LOCK(cs_wallet);
    1665         [ +  - ]:        3035 :     m_wallet_flags &= ~flag;
    1666   [ +  -  -  + ]:        3035 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1667   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1668                 :        3035 : }
    1669                 :             : 
    1670                 :        3034 : void CWallet::UnsetBlankWalletFlag(WalletBatch& batch)
    1671                 :             : {
    1672                 :        3034 :     UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
    1673                 :        3034 : }
    1674                 :             : 
    1675                 :      202431 : bool CWallet::IsWalletFlagSet(uint64_t flag) const
    1676                 :             : {
    1677                 :      202431 :     return (m_wallet_flags & flag);
    1678                 :             : }
    1679                 :             : 
    1680                 :         852 : bool CWallet::LoadWalletFlags(uint64_t flags)
    1681                 :             : {
    1682                 :         852 :     LOCK(cs_wallet);
    1683         [ +  - ]:         852 :     if (((flags & KNOWN_WALLET_FLAGS) >> 32) ^ (flags >> 32)) {
    1684                 :             :         // contains unknown non-tolerable wallet flags
    1685                 :             :         return false;
    1686                 :             :     }
    1687                 :         852 :     m_wallet_flags = flags;
    1688                 :             : 
    1689                 :         852 :     return true;
    1690                 :         852 : }
    1691                 :             : 
    1692                 :         523 : void CWallet::InitWalletFlags(uint64_t flags)
    1693                 :             : {
    1694                 :         523 :     LOCK(cs_wallet);
    1695                 :             : 
    1696                 :             :     // We should never be writing unknown non-tolerable wallet flags
    1697         [ -  + ]:         523 :     assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
    1698                 :             :     // This should only be used once, when creating a new wallet - so current flags are expected to be blank
    1699         [ -  + ]:         523 :     assert(m_wallet_flags == 0);
    1700                 :             : 
    1701   [ +  -  +  -  :        1046 :     if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
                   -  + ]
    1702   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1703                 :             :     }
    1704                 :             : 
    1705   [ +  -  -  + ]:         523 :     if (!LoadWalletFlags(flags)) assert(false);
    1706                 :         523 : }
    1707                 :             : 
    1708                 :         420 : uint64_t CWallet::GetWalletFlags() const
    1709                 :             : {
    1710                 :         420 :     return m_wallet_flags;
    1711                 :             : }
    1712                 :             : 
    1713                 :       32655 : void CWallet::MaybeUpdateBirthTime(int64_t time)
    1714                 :             : {
    1715         [ +  + ]:       32655 :     int64_t birthtime = m_birth_time.load();
    1716         [ +  + ]:       32655 :     if (time < birthtime) {
    1717                 :        1208 :         m_birth_time = time;
    1718                 :             :     }
    1719                 :       32655 : }
    1720                 :             : 
    1721                 :             : /**
    1722                 :             :  * Scan active chain for relevant transactions after importing keys. This should
    1723                 :             :  * be called whenever new keys are added to the wallet, with the oldest key
    1724                 :             :  * creation time.
    1725                 :             :  *
    1726                 :             :  * @return Earliest timestamp that could be successfully scanned from. Timestamp
    1727                 :             :  * returned will be higher than startTime if relevant blocks could not be read.
    1728                 :             :  */
    1729                 :         535 : int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver, bool update)
    1730                 :             : {
    1731                 :             :     // Find starting block. May be null if nCreateTime is greater than the
    1732                 :             :     // highest blockchain timestamp, in which case there is nothing that needs
    1733                 :             :     // to be scanned.
    1734                 :         535 :     int start_height = 0;
    1735                 :         535 :     uint256 start_block;
    1736                 :         535 :     bool start = chain().findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, FoundBlock().hash(start_block).height(start_height));
    1737   [ +  -  +  - ]:        1070 :     WalletLogPrintf("%s: Rescanning last %i blocks\n", __func__, start ? WITH_LOCK(cs_wallet, return GetLastBlockHeight()) - start_height + 1 : 0);
    1738                 :             : 
    1739         [ +  - ]:         535 :     if (start) {
    1740                 :             :         // TODO: this should take into account failure by ScanResult::USER_ABORT
    1741                 :         535 :         ScanResult result = ScanForWalletTransactions(start_block, start_height, /*max_height=*/{}, reserver, /*fUpdate=*/update, /*save_progress=*/false);
    1742         [ +  + ]:         535 :         if (result.status == ScanResult::FAILURE) {
    1743                 :           1 :             int64_t time_max;
    1744                 :           1 :             CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));
    1745                 :           1 :             return time_max + TIMESTAMP_WINDOW + 1;
    1746                 :             :         }
    1747                 :             :     }
    1748                 :             :     return startTime;
    1749                 :             : }
    1750                 :             : 
    1751                 :             : /**
    1752                 :             :  * Scan the block chain (starting in start_block) for transactions
    1753                 :             :  * from or to us. If fUpdate is true, found transactions that already
    1754                 :             :  * exist in the wallet will be updated. If max_height is not set, the
    1755                 :             :  * mempool will be scanned as well.
    1756                 :             :  *
    1757                 :             :  * @param[in] start_block Scan starting block. If block is not on the active
    1758                 :             :  *                        chain, the scan will return SUCCESS immediately.
    1759                 :             :  * @param[in] start_height Height of start_block
    1760                 :             :  * @param[in] max_height  Optional max scanning height. If unset there is
    1761                 :             :  *                        no maximum and scanning can continue to the tip
    1762                 :             :  *
    1763                 :             :  * @return ScanResult returning scan information and indicating success or
    1764                 :             :  *         failure. Return status will be set to SUCCESS if scan was
    1765                 :             :  *         successful. FAILURE if a complete rescan was not possible (due to
    1766                 :             :  *         pruning or corruption). USER_ABORT if the rescan was aborted before
    1767                 :             :  *         it could complete.
    1768                 :             :  *
    1769                 :             :  * @pre Caller needs to make sure start_block (and the optional stop_block) are on
    1770                 :             :  * the main chain after to the addition of any new keys you want to detect
    1771                 :             :  * transactions for.
    1772                 :             :  */
    1773                 :         605 : CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_block, int start_height, std::optional<int> max_height, const WalletRescanReserver& reserver, bool fUpdate, const bool save_progress)
    1774                 :             : {
    1775                 :         605 :     constexpr auto INTERVAL_TIME{60s};
    1776                 :         605 :     auto current_time{reserver.now()};
    1777                 :         605 :     auto start_time{reserver.now()};
    1778                 :             : 
    1779         [ -  + ]:         605 :     assert(reserver.isReserved());
    1780                 :             : 
    1781                 :         605 :     uint256 block_hash = start_block;
    1782                 :         605 :     ScanResult result;
    1783                 :             : 
    1784                 :         605 :     std::unique_ptr<FastWalletRescanFilter> fast_rescan_filter;
    1785   [ +  -  +  +  :         610 :     if (chain().hasBlockFilterIndex(BlockFilterType::BASIC)) fast_rescan_filter = std::make_unique<FastWalletRescanFilter>(*this);
                   +  - ]
    1786                 :             : 
    1787   [ +  +  +  - ]:        1210 :     WalletLogPrintf("Rescan started from block %s... (%s)\n", start_block.ToString(),
    1788   [ +  +  +  - ]:        1205 :                     fast_rescan_filter ? "fast variant using block filters" : "slow variant inspecting all blocks");
    1789                 :             : 
    1790         [ +  - ]:         605 :     fAbortRescan = false;
    1791   [ +  -  +  -  :        1210 :     ShowProgress(strprintf("%s %s", GetDisplayName(), _("Rescanning…")), 0); // show rescan progress in GUI as dialog or on splashscreen, if rescan required on startup (e.g. due to corruption)
                   +  - ]
    1792   [ +  -  +  - ]:        1210 :     uint256 tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
    1793                 :         605 :     uint256 end_hash = tip_hash;
    1794   [ +  +  +  - ]:         605 :     if (max_height) chain().findAncestorByHeight(tip_hash, *max_height, FoundBlock().hash(end_hash));
    1795         [ +  - ]:         605 :     double progress_begin = chain().guessVerificationProgress(block_hash);
    1796         [ +  - ]:         605 :     double progress_end = chain().guessVerificationProgress(end_hash);
    1797                 :         605 :     double progress_current = progress_begin;
    1798                 :         605 :     int block_height = start_height;
    1799   [ +  -  +  -  :       66869 :     while (!fAbortRescan && !chain().shutdownRequested()) {
                   +  - ]
    1800         [ +  + ]:       66869 :         if (progress_end - progress_begin > 0.0) {
    1801                 :       66652 :             m_scanning_progress = (progress_current - progress_begin) / (progress_end - progress_begin);
    1802                 :             :         } else { // avoid divide-by-zero for single block scan range (i.e. start and stop hashes are equal)
    1803                 :         217 :             m_scanning_progress = 0;
    1804                 :             :         }
    1805   [ +  +  +  + ]:       66869 :         if (block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
    1806   [ +  +  +  +  :        2433 :             ShowProgress(strprintf("%s %s", GetDisplayName(), _("Rescanning…")), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
          +  -  +  -  +  
                      - ]
    1807                 :             :         }
    1808                 :             : 
    1809   [ +  -  +  + ]:       66869 :         bool next_interval = reserver.now() >= current_time + INTERVAL_TIME;
    1810         [ +  + ]:       66869 :         if (next_interval) {
    1811         [ +  - ]:           2 :             current_time = reserver.now();
    1812         [ +  - ]:           2 :             WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
    1813                 :             :         }
    1814                 :             : 
    1815                 :       66869 :         bool fetch_block{true};
    1816         [ +  + ]:       66869 :         if (fast_rescan_filter) {
    1817         [ +  - ]:         616 :             fast_rescan_filter->UpdateIfNeeded();
    1818         [ +  - ]:         616 :             auto matches_block{fast_rescan_filter->MatchesBlock(block_hash)};
    1819         [ +  - ]:         616 :             if (matches_block.has_value()) {
    1820         [ +  + ]:         616 :                 if (*matches_block) {
    1821   [ +  -  +  -  :         124 :                     LogDebug(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (filter matched)\n", block_height, block_hash.ToString());
             +  -  +  - ]
    1822                 :             :                 } else {
    1823                 :         554 :                     result.last_scanned_block = block_hash;
    1824                 :         554 :                     result.last_scanned_height = block_height;
    1825                 :         554 :                     fetch_block = false;
    1826                 :             :                 }
    1827                 :             :             } else {
    1828   [ #  #  #  #  :           0 :                 LogDebug(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (WARNING: block filter not found!)\n", block_height, block_hash.ToString());
             #  #  #  # ]
    1829                 :             :             }
    1830                 :             :         }
    1831                 :             : 
    1832                 :             :         // Find next block separately from reading data above, because reading
    1833                 :             :         // is slow and there might be a reorg while it is read.
    1834                 :       66869 :         bool block_still_active = false;
    1835                 :       66869 :         bool next_block = false;
    1836                 :       66869 :         uint256 next_block_hash;
    1837         [ +  - ]:       66869 :         chain().findBlock(block_hash, FoundBlock().inActiveChain(block_still_active).nextBlock(FoundBlock().inActiveChain(next_block).hash(next_block_hash)));
    1838                 :             : 
    1839         [ +  + ]:       66869 :         if (fetch_block) {
    1840                 :             :             // Read block data
    1841                 :       66315 :             CBlock block;
    1842         [ +  - ]:       66315 :             chain().findBlock(block_hash, FoundBlock().data(block));
    1843                 :             : 
    1844         [ +  + ]:       66315 :             if (!block.IsNull()) {
    1845         [ +  - ]:       66211 :                 LOCK(cs_wallet);
    1846         [ -  + ]:       66211 :                 if (!block_still_active) {
    1847                 :             :                     // Abort scan if current block is no longer active, to prevent
    1848                 :             :                     // marking transactions as coming from the wrong block.
    1849                 :           0 :                     result.last_failed_block = block_hash;
    1850                 :           0 :                     result.status = ScanResult::FAILURE;
    1851         [ #  # ]:           0 :                     break;
    1852                 :             :                 }
    1853         [ +  + ]:      152332 :                 for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
    1854         [ +  - ]:       86121 :                     SyncTransaction(block.vtx[posInBlock], TxStateConfirmed{block_hash, block_height, static_cast<int>(posInBlock)}, fUpdate, /*rescanning_old_block=*/true);
    1855                 :             :                 }
    1856                 :             :                 // scan succeeded, record block as most recent successfully scanned
    1857                 :       66211 :                 result.last_scanned_block = block_hash;
    1858         [ +  + ]:       66211 :                 result.last_scanned_height = block_height;
    1859                 :             : 
    1860         [ +  + ]:       66211 :                 if (save_progress && next_interval) {
    1861         [ +  - ]:           2 :                     CBlockLocator loc = m_chain->getActiveChainLocator(block_hash);
    1862                 :             : 
    1863         [ +  - ]:           2 :                     if (!loc.IsNull()) {
    1864         [ +  - ]:           2 :                         WalletLogPrintf("Saving scan progress %d.\n", block_height);
    1865         [ +  - ]:           2 :                         WalletBatch batch(GetDatabase());
    1866         [ +  - ]:           2 :                         batch.WriteBestBlock(loc);
    1867                 :           2 :                     }
    1868                 :           2 :                 }
    1869                 :       66211 :             } else {
    1870                 :             :                 // could not scan block, keep scanning but record this block as the most recent failure
    1871                 :         104 :                 result.last_failed_block = block_hash;
    1872                 :         104 :                 result.status = ScanResult::FAILURE;
    1873                 :             :             }
    1874                 :       66315 :         }
    1875   [ +  +  +  + ]:       66869 :         if (max_height && block_height >= *max_height) {
    1876                 :             :             break;
    1877                 :             :         }
    1878                 :             :         // If rescanning was triggered with cs_wallet permanently locked (AttachChain), additional blocks that were connected during the rescan
    1879                 :             :         // aren't processed here but will be processed with the pending blockConnected notifications after the lock is released.
    1880                 :             :         // If rescanning without a permanent cs_wallet lock, additional blocks that were added during the rescan will be re-processed if
    1881                 :             :         // the notification was processed and the last block height was updated.
    1882   [ +  -  +  +  :      133736 :         if (block_height >= WITH_LOCK(cs_wallet, return GetLastBlockHeight())) {
                   +  - ]
    1883                 :             :             break;
    1884                 :             :         }
    1885                 :             : 
    1886                 :       66265 :         {
    1887         [ +  + ]:       66265 :             if (!next_block) {
    1888                 :             :                 // break successfully when rescan has reached the tip, or
    1889                 :             :                 // previous block is no longer on the chain due to a reorg
    1890                 :             :                 break;
    1891                 :             :             }
    1892                 :             : 
    1893                 :             :             // increment block and verification progress
    1894                 :       66264 :             block_hash = next_block_hash;
    1895                 :       66264 :             ++block_height;
    1896         [ +  - ]:       66264 :             progress_current = chain().guessVerificationProgress(block_hash);
    1897                 :             : 
    1898                 :             :             // handle updated tip hash
    1899                 :       66264 :             const uint256 prev_tip_hash = tip_hash;
    1900   [ +  -  +  - ]:      132528 :             tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
    1901   [ +  +  -  + ]:       66264 :             if (!max_height && prev_tip_hash != tip_hash) {
    1902                 :             :                 // in case the tip has changed, update progress max
    1903         [ #  # ]:           0 :                 progress_end = chain().guessVerificationProgress(tip_hash);
    1904                 :             :             }
    1905                 :             :         }
    1906                 :             :     }
    1907         [ +  + ]:         605 :     if (!max_height) {
    1908         [ +  - ]:         604 :         WalletLogPrintf("Scanning current mempool transactions.\n");
    1909   [ +  -  +  - ]:        1812 :         WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    1910                 :             :     }
    1911   [ +  -  +  -  :        1210 :     ShowProgress(strprintf("%s %s", GetDisplayName(), _("Rescanning…")), 100); // hide progress dialog in GUI
                   +  - ]
    1912   [ +  +  +  - ]:         605 :     if (block_height && fAbortRescan) {
    1913         [ #  # ]:           0 :         WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", block_height, progress_current);
    1914                 :           0 :         result.status = ScanResult::USER_ABORT;
    1915   [ +  +  +  -  :         605 :     } else if (block_height && chain().shutdownRequested()) {
                   +  - ]
    1916         [ #  # ]:           0 :         WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", block_height, progress_current);
    1917                 :           0 :         result.status = ScanResult::USER_ABORT;
    1918                 :             :     } else {
    1919   [ +  -  +  - ]:         605 :         WalletLogPrintf("Rescan completed in %15dms\n", Ticks<std::chrono::milliseconds>(reserver.now() - start_time));
    1920                 :             :     }
    1921                 :         605 :     return result;
    1922                 :         605 : }
    1923                 :             : 
    1924                 :        1581 : bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx, std::string& err_string, bool relay) const
    1925                 :             : {
    1926                 :        1581 :     AssertLockHeld(cs_wallet);
    1927                 :             : 
    1928                 :             :     // Can't relay if wallet is not broadcasting
    1929         [ +  - ]:        1581 :     if (!GetBroadcastTransactions()) return false;
    1930                 :             :     // Don't relay abandoned transactions
    1931         [ +  + ]:        1581 :     if (wtx.isAbandoned()) return false;
    1932                 :             :     // Don't try to submit coinbase transactions. These would fail anyway but would
    1933                 :             :     // cause log spam.
    1934         [ +  - ]:        1581 :     if (wtx.IsCoinBase()) return false;
    1935                 :             :     // Don't try to submit conflicted or confirmed transactions.
    1936         [ +  - ]:        1581 :     if (GetTxDepthInMainChain(wtx) != 0) return false;
    1937                 :             : 
    1938                 :             :     // Submit transaction to mempool for relay
    1939         [ +  - ]:        1581 :     WalletLogPrintf("Submitting wtx %s to mempool for relay\n", wtx.GetHash().ToString());
    1940                 :             :     // We must set TxStateInMempool here. Even though it will also be set later by the
    1941                 :             :     // entered-mempool callback, if we did not there would be a race where a
    1942                 :             :     // user could call sendmoney in a loop and hit spurious out of funds errors
    1943                 :             :     // because we think that this newly generated transaction's change is
    1944                 :             :     // unavailable as we're not yet aware that it is in the mempool.
    1945                 :             :     //
    1946                 :             :     // If broadcast fails for any reason, trying to set wtx.m_state here would be incorrect.
    1947                 :             :     // If transaction was previously in the mempool, it should be updated when
    1948                 :             :     // TransactionRemovedFromMempool fires.
    1949                 :        1581 :     bool ret = chain().broadcastTransaction(wtx.tx, m_default_max_tx_fee, relay, err_string);
    1950   [ +  +  +  + ]:        3078 :     if (ret) wtx.m_state = TxStateInMempool{};
    1951                 :             :     return ret;
    1952                 :             : }
    1953                 :             : 
    1954                 :        1967 : std::set<Txid> CWallet::GetTxConflicts(const CWalletTx& wtx) const
    1955                 :             : {
    1956                 :        1967 :     AssertLockHeld(cs_wallet);
    1957                 :             : 
    1958                 :        1967 :     const Txid myHash{wtx.GetHash()};
    1959                 :        1967 :     std::set<Txid> result{GetConflicts(myHash)};
    1960                 :        1967 :     result.erase(myHash);
    1961                 :        1967 :     return result;
    1962                 :             : }
    1963                 :             : 
    1964                 :         204 : bool CWallet::ShouldResend() const
    1965                 :             : {
    1966                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast
    1967         [ +  - ]:         204 :     if (!fBroadcastTransactions) return false;
    1968                 :             : 
    1969                 :             :     // During reindex, importing and IBD, old wallet transactions become
    1970                 :             :     // unconfirmed. Don't resend them as that would spam other nodes.
    1971                 :             :     // We only allow forcing mempool submission when not relaying to avoid this spam.
    1972         [ +  + ]:         204 :     if (!chain().isReadyToBroadcast()) return false;
    1973                 :             : 
    1974                 :             :     // Do this infrequently and randomly to avoid giving away
    1975                 :             :     // that these are our transactions.
    1976         [ +  + ]:         120 :     if (NodeClock::now() < m_next_resend) return false;
    1977                 :             : 
    1978                 :             :     return true;
    1979                 :             : }
    1980                 :             : 
    1981                 :         937 : NodeClock::time_point CWallet::GetDefaultNextResend() { return FastRandomContext{}.rand_uniform_delay(NodeClock::now() + 12h, 24h); }
    1982                 :             : 
    1983                 :             : // Resubmit transactions from the wallet to the mempool, optionally asking the
    1984                 :             : // mempool to relay them. On startup, we will do this for all unconfirmed
    1985                 :             : // transactions but will not ask the mempool to relay them. We do this on startup
    1986                 :             : // to ensure that our own mempool is aware of our transactions. There
    1987                 :             : // is a privacy side effect here as not broadcasting on startup also means that we won't
    1988                 :             : // inform the world of our wallet's state, particularly if the wallet (or node) is not
    1989                 :             : // yet synced.
    1990                 :             : //
    1991                 :             : // Otherwise this function is called periodically in order to relay our unconfirmed txs.
    1992                 :             : // We do this on a random timer to slightly obfuscate which transactions
    1993                 :             : // come from our wallet.
    1994                 :             : //
    1995                 :             : // TODO: Ideally, we'd only resend transactions that we think should have been
    1996                 :             : // mined in the most recent block. Any transaction that wasn't in the top
    1997                 :             : // blockweight of transactions in the mempool shouldn't have been mined,
    1998                 :             : // and so is probably just sitting in the mempool waiting to be confirmed.
    1999                 :             : // Rebroadcasting does nothing to speed up confirmation and only damages
    2000                 :             : // privacy.
    2001                 :             : //
    2002                 :             : // The `force` option results in all unconfirmed transactions being submitted to
    2003                 :             : // the mempool. This does not necessarily result in those transactions being relayed,
    2004                 :             : // that depends on the `relay` option. Periodic rebroadcast uses the pattern
    2005                 :             : // relay=true force=false, while loading into the mempool
    2006                 :             : // (on start, or after import) uses relay=false force=true.
    2007                 :        1327 : void CWallet::ResubmitWalletTransactions(bool relay, bool force)
    2008                 :             : {
    2009                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast,
    2010                 :             :     // even if forcing.
    2011         [ +  + ]:        1327 :     if (!fBroadcastTransactions) return;
    2012                 :             : 
    2013                 :        1324 :     int submitted_tx_count = 0;
    2014                 :             : 
    2015                 :        1324 :     { // cs_wallet scope
    2016                 :        1324 :         LOCK(cs_wallet);
    2017                 :             : 
    2018                 :             :         // First filter for the transactions we want to rebroadcast.
    2019                 :             :         // We use a set with WalletTxOrderComparator so that rebroadcasting occurs in insertion order
    2020                 :        1324 :         std::set<CWalletTx*, WalletTxOrderComparator> to_submit;
    2021   [ +  +  +  + ]:       14185 :         for (auto& [txid, wtx] : mapWallet) {
    2022                 :             :             // Only rebroadcast unconfirmed txs
    2023         [ +  + ]:       12861 :             if (!wtx.isUnconfirmed()) continue;
    2024                 :             : 
    2025                 :             :             // Attempt to rebroadcast all txes more than 5 minutes older than
    2026                 :             :             // the last block, or all txs if forcing.
    2027   [ +  +  +  + ]:         138 :             if (!force && wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
    2028         [ +  - ]:         137 :             to_submit.insert(&wtx);
    2029                 :             :         }
    2030                 :             :         // Now try submitting the transactions to the memory pool and (optionally) relay them.
    2031         [ +  + ]:        1461 :         for (auto wtx : to_submit) {
    2032         [ +  - ]:         137 :             std::string unused_err_string;
    2033   [ +  -  +  + ]:         137 :             if (SubmitTxMemoryPoolAndRelay(*wtx, unused_err_string, relay)) ++submitted_tx_count;
    2034                 :         137 :         }
    2035         [ +  - ]:        1324 :     } // cs_wallet
    2036                 :             : 
    2037         [ +  + ]:        1324 :     if (submitted_tx_count > 0) {
    2038                 :          55 :         WalletLogPrintf("%s: resubmit %u unconfirmed transactions\n", __func__, submitted_tx_count);
    2039                 :             :     }
    2040                 :             : }
    2041                 :             : 
    2042                 :             : /** @} */ // end of mapWallet
    2043                 :             : 
    2044                 :         164 : void MaybeResendWalletTxs(WalletContext& context)
    2045                 :             : {
    2046         [ +  + ]:         368 :     for (const std::shared_ptr<CWallet>& pwallet : GetWallets(context)) {
    2047   [ +  -  +  + ]:         204 :         if (!pwallet->ShouldResend()) continue;
    2048         [ +  - ]:           3 :         pwallet->ResubmitWalletTransactions(/*relay=*/true, /*force=*/false);
    2049         [ +  - ]:         204 :         pwallet->SetNextResend();
    2050                 :         164 :     }
    2051                 :         164 : }
    2052                 :             : 
    2053                 :             : 
    2054                 :        2488 : bool CWallet::SignTransaction(CMutableTransaction& tx) const
    2055                 :             : {
    2056                 :        2488 :     AssertLockHeld(cs_wallet);
    2057                 :             : 
    2058                 :             :     // Build coins map
    2059                 :        2488 :     std::map<COutPoint, Coin> coins;
    2060         [ +  + ]:       11090 :     for (auto& input : tx.vin) {
    2061         [ +  - ]:        8602 :         const auto mi = mapWallet.find(input.prevout.hash);
    2062   [ +  -  +  - ]:       11090 :         if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
    2063                 :             :             return false;
    2064                 :             :         }
    2065         [ +  + ]:        8602 :         const CWalletTx& wtx = mi->second;
    2066         [ +  + ]:        8602 :         int prev_height = wtx.state<TxStateConfirmed>() ? wtx.state<TxStateConfirmed>()->confirmed_block_height : 0;
    2067         [ +  - ]:        8602 :         coins[input.prevout] = Coin(wtx.tx->vout[input.prevout.n], prev_height, wtx.IsCoinBase());
    2068                 :             :     }
    2069         [ +  - ]:        2488 :     std::map<int, bilingual_str> input_errors;
    2070         [ +  - ]:        2488 :     return SignTransaction(tx, coins, SIGHASH_DEFAULT, input_errors);
    2071                 :        4976 : }
    2072                 :             : 
    2073                 :        2771 : bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const
    2074                 :             : {
    2075                 :             :     // Try to sign with all ScriptPubKeyMans
    2076         [ +  + ]:       16522 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
    2077                 :             :         // spk_man->SignTransaction will return true if the transaction is complete,
    2078                 :             :         // so we can exit early and return true if that happens
    2079   [ +  -  +  + ]:       16512 :         if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
    2080                 :        2761 :             return true;
    2081                 :             :         }
    2082                 :        2761 :     }
    2083                 :             : 
    2084                 :             :     // At this point, one input was not fully signed otherwise we would have exited already
    2085                 :          10 :     return false;
    2086                 :             : }
    2087                 :             : 
    2088                 :         918 : std::optional<PSBTError> CWallet::FillPSBT(PartiallySignedTransaction& psbtx, bool& complete, std::optional<int> sighash_type, bool sign, bool bip32derivs, size_t * n_signed, bool finalize) const
    2089                 :             : {
    2090         [ -  + ]:         918 :     if (n_signed) {
    2091                 :           0 :         *n_signed = 0;
    2092                 :             :     }
    2093                 :         918 :     LOCK(cs_wallet);
    2094                 :             :     // Get all of the previous transactions
    2095         [ +  + ]:        3898 :     for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
    2096         [ +  - ]:        2980 :         const CTxIn& txin = psbtx.tx->vin[i];
    2097         [ +  - ]:        2980 :         PSBTInput& input = psbtx.inputs.at(i);
    2098                 :             : 
    2099   [ +  -  +  + ]:        2980 :         if (PSBTInputSigned(input)) {
    2100                 :          18 :             continue;
    2101                 :             :         }
    2102                 :             : 
    2103                 :             :         // If we have no utxo, grab it from the wallet.
    2104         [ +  + ]:        2962 :         if (!input.non_witness_utxo) {
    2105                 :        1814 :             const Txid& txhash = txin.prevout.hash;
    2106         [ +  - ]:        1814 :             const auto it = mapWallet.find(txhash);
    2107         [ +  + ]:        4490 :             if (it != mapWallet.end()) {
    2108                 :        1510 :                 const CWalletTx& wtx = it->second;
    2109                 :             :                 // We only need the non_witness_utxo, which is a superset of the witness_utxo.
    2110                 :             :                 //   The signing code will switch to the smaller witness_utxo if this is ok.
    2111                 :        1510 :                 input.non_witness_utxo = wtx.tx;
    2112                 :             :             }
    2113                 :             :         }
    2114                 :             :     }
    2115                 :             : 
    2116         [ +  - ]:         918 :     const PrecomputedTransactionData txdata = PrecomputePSBTData(psbtx);
    2117                 :             : 
    2118                 :             :     // Fill in information from ScriptPubKeyMans
    2119   [ +  -  +  + ]:        6925 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
    2120                 :        6016 :         int n_signed_this_spkm = 0;
    2121         [ +  - ]:        6016 :         const auto error{spk_man->FillPSBT(psbtx, txdata, sighash_type, sign, bip32derivs, &n_signed_this_spkm, finalize)};
    2122         [ +  + ]:        6016 :         if (error) {
    2123                 :           9 :             return error;
    2124                 :             :         }
    2125                 :             : 
    2126         [ -  + ]:        6007 :         if (n_signed) {
    2127                 :           0 :             (*n_signed) += n_signed_this_spkm;
    2128                 :             :         }
    2129                 :           9 :     }
    2130                 :             : 
    2131         [ +  - ]:         909 :     RemoveUnnecessaryTransactions(psbtx);
    2132                 :             : 
    2133                 :             :     // Complete if every input is now signed
    2134                 :         909 :     complete = true;
    2135         [ +  + ]:        3879 :     for (size_t i = 0; i < psbtx.inputs.size(); ++i) {
    2136   [ +  -  +  - ]:        2970 :         complete &= PSBTInputSignedAndVerified(psbtx, i, &txdata);
    2137                 :             :     }
    2138                 :             : 
    2139                 :         909 :     return {};
    2140         [ +  - ]:        1836 : }
    2141                 :             : 
    2142                 :           9 : SigningResult CWallet::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
    2143                 :             : {
    2144                 :           9 :     SignatureData sigdata;
    2145         [ +  - ]:           9 :     CScript script_pub_key = GetScriptForDestination(pkhash);
    2146         [ +  - ]:          86 :     for (const auto& spk_man_pair : m_spk_managers) {
    2147   [ +  -  +  + ]:          86 :         if (spk_man_pair.second->CanProvide(script_pub_key, sigdata)) {
    2148         [ +  - ]:           9 :             LOCK(cs_wallet);  // DescriptorScriptPubKeyMan calls IsLocked which can lock cs_wallet in a deadlocking order
    2149   [ +  -  +  - ]:           9 :             return spk_man_pair.second->SignMessage(message, pkhash, str_sig);
    2150                 :           9 :         }
    2151                 :             :     }
    2152                 :             :     return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
    2153                 :           9 : }
    2154                 :             : 
    2155                 :        3406 : OutputType CWallet::TransactionChangeType(const std::optional<OutputType>& change_type, const std::vector<CRecipient>& vecSend) const
    2156                 :             : {
    2157                 :             :     // If -changetype is specified, always use that change type.
    2158         [ +  + ]:        3406 :     if (change_type) {
    2159                 :         297 :         return *change_type;
    2160                 :             :     }
    2161                 :             : 
    2162                 :             :     // if m_default_address_type is legacy, use legacy address as change.
    2163         [ +  + ]:        3109 :     if (m_default_address_type == OutputType::LEGACY) {
    2164                 :             :         return OutputType::LEGACY;
    2165                 :             :     }
    2166                 :             : 
    2167                 :        3083 :     bool any_tr{false};
    2168                 :        3083 :     bool any_wpkh{false};
    2169                 :        3083 :     bool any_sh{false};
    2170                 :        3083 :     bool any_pkh{false};
    2171                 :             : 
    2172         [ +  + ]:       42655 :     for (const auto& recipient : vecSend) {
    2173         [ +  - ]:       39572 :         if (std::get_if<WitnessV1Taproot>(&recipient.dest)) {
    2174                 :             :             any_tr = true;
    2175         [ +  - ]:       39291 :         } else if (std::get_if<WitnessV0KeyHash>(&recipient.dest)) {
    2176                 :             :             any_wpkh = true;
    2177         [ +  - ]:        7103 :         } else if (std::get_if<ScriptHash>(&recipient.dest)) {
    2178                 :             :             any_sh = true;
    2179         [ +  - ]:       45614 :         } else if (std::get_if<PKHash>(&recipient.dest)) {
    2180                 :        5931 :             any_pkh = true;
    2181                 :             :         }
    2182                 :             :     }
    2183                 :             : 
    2184                 :        3083 :     const bool has_bech32m_spkman(GetScriptPubKeyMan(OutputType::BECH32M, /*internal=*/true));
    2185         [ +  + ]:        3083 :     if (has_bech32m_spkman && any_tr) {
    2186                 :             :         // Currently tr is the only type supported by the BECH32M spkman
    2187                 :             :         return OutputType::BECH32M;
    2188                 :             :     }
    2189                 :        2806 :     const bool has_bech32_spkman(GetScriptPubKeyMan(OutputType::BECH32, /*internal=*/true));
    2190         [ +  + ]:        2806 :     if (has_bech32_spkman && any_wpkh) {
    2191                 :             :         // Currently wpkh is the only type supported by the BECH32 spkman
    2192                 :             :         return OutputType::BECH32;
    2193                 :             :     }
    2194                 :         336 :     const bool has_p2sh_segwit_spkman(GetScriptPubKeyMan(OutputType::P2SH_SEGWIT, /*internal=*/true));
    2195         [ +  + ]:         336 :     if (has_p2sh_segwit_spkman && any_sh) {
    2196                 :             :         // Currently sh_wpkh is the only type supported by the P2SH_SEGWIT spkman
    2197                 :             :         // As of 2021 about 80% of all SH are wrapping WPKH, so use that
    2198                 :             :         return OutputType::P2SH_SEGWIT;
    2199                 :             :     }
    2200                 :         289 :     const bool has_legacy_spkman(GetScriptPubKeyMan(OutputType::LEGACY, /*internal=*/true));
    2201         [ +  + ]:         289 :     if (has_legacy_spkman && any_pkh) {
    2202                 :             :         // Currently pkh is the only type supported by the LEGACY spkman
    2203                 :             :         return OutputType::LEGACY;
    2204                 :             :     }
    2205                 :             : 
    2206         [ +  + ]:         250 :     if (has_bech32m_spkman) {
    2207                 :             :         return OutputType::BECH32M;
    2208                 :             :     }
    2209         [ +  + ]:          31 :     if (has_bech32_spkman) {
    2210                 :             :         return OutputType::BECH32;
    2211                 :             :     }
    2212                 :             :     // else use m_default_address_type for change
    2213                 :          17 :     return m_default_address_type;
    2214                 :             : }
    2215                 :             : 
    2216                 :        1451 : void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::vector<std::pair<std::string, std::string>> orderForm)
    2217                 :             : {
    2218                 :        1451 :     LOCK(cs_wallet);
    2219   [ +  -  +  -  :        1451 :     WalletLogPrintf("CommitTransaction:\n%s\n", util::RemoveSuffixView(tx->ToString(), "\n"));
                   +  - ]
    2220                 :             : 
    2221                 :             :     // Add tx to wallet, because if it has change it's also ours,
    2222                 :             :     // otherwise just for transaction history.
    2223   [ +  -  +  -  :        4353 :     CWalletTx* wtx = AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
                   +  - ]
    2224                 :        1451 :         CHECK_NONFATAL(wtx.mapValue.empty());
    2225                 :        1451 :         CHECK_NONFATAL(wtx.vOrderForm.empty());
    2226                 :        1451 :         wtx.mapValue = std::move(mapValue);
    2227                 :        1451 :         wtx.vOrderForm = std::move(orderForm);
    2228                 :        1451 :         return true;
    2229                 :             :     });
    2230                 :             : 
    2231                 :             :     // wtx can only be null if the db write failed.
    2232         [ -  + ]:        1451 :     if (!wtx) {
    2233   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": Wallet db error, transaction commit failed");
    2234                 :             :     }
    2235                 :             : 
    2236                 :             :     // Notify that old coins are spent
    2237         [ +  + ]:        5168 :     for (const CTxIn& txin : tx->vin) {
    2238         [ +  - ]:        3717 :         CWalletTx &coin = mapWallet.at(txin.prevout.hash);
    2239         [ +  - ]:        3717 :         coin.MarkDirty();
    2240         [ +  - ]:        3717 :         NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
    2241                 :             :     }
    2242                 :             : 
    2243         [ +  + ]:        1451 :     if (!fBroadcastTransactions) {
    2244                 :             :         // Don't submit tx to the mempool
    2245         [ +  - ]:           7 :         return;
    2246                 :             :     }
    2247                 :             : 
    2248         [ +  - ]:        1444 :     std::string err_string;
    2249   [ +  -  +  + ]:        1444 :     if (!SubmitTxMemoryPoolAndRelay(*wtx, err_string, true)) {
    2250         [ +  - ]:           3 :         WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
    2251                 :             :         // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
    2252                 :             :     }
    2253         [ +  - ]:        2895 : }
    2254                 :             : 
    2255                 :         905 : DBErrors CWallet::LoadWallet()
    2256                 :             : {
    2257                 :         905 :     LOCK(cs_wallet);
    2258                 :             : 
    2259         [ +  - ]:         905 :     Assert(m_spk_managers.empty());
    2260         [ +  - ]:         905 :     Assert(m_wallet_flags == 0);
    2261   [ +  -  +  - ]:         905 :     DBErrors nLoadWalletRet = WalletBatch(GetDatabase()).LoadWallet(this);
    2262         [ -  + ]:         905 :     if (nLoadWalletRet == DBErrors::NEED_REWRITE)
    2263                 :             :     {
    2264   [ #  #  #  # ]:           0 :         if (GetDatabase().Rewrite())
    2265                 :             :         {
    2266         [ #  # ]:           0 :             for (const auto& spk_man_pair : m_spk_managers) {
    2267         [ #  # ]:           0 :                 spk_man_pair.second->RewriteDB();
    2268                 :             :             }
    2269                 :             :         }
    2270                 :             :     }
    2271                 :             : 
    2272         [ +  + ]:         905 :     if (m_spk_managers.empty()) {
    2273         [ -  + ]:         592 :         assert(m_external_spk_managers.empty());
    2274         [ -  + ]:         592 :         assert(m_internal_spk_managers.empty());
    2275                 :             :     }
    2276                 :             : 
    2277         [ +  - ]:         905 :     return nLoadWalletRet;
    2278                 :         905 : }
    2279                 :             : 
    2280                 :           7 : util::Result<void> CWallet::RemoveTxs(std::vector<Txid>& txs_to_remove)
    2281                 :             : {
    2282                 :           7 :     AssertLockHeld(cs_wallet);
    2283         [ +  - ]:           7 :     bilingual_str str_err;  // future: make RunWithinTxn return a util::Result
    2284   [ +  -  +  - ]:           7 :     bool was_txn_committed = RunWithinTxn(GetDatabase(), /*process_desc=*/"remove transactions", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    2285                 :           7 :         util::Result<void> result{RemoveTxs(batch, txs_to_remove)};
    2286   [ +  +  +  - ]:           8 :         if (!result) str_err = util::ErrorString(result);
    2287                 :           7 :         return result.has_value();
    2288                 :           7 :     });
    2289   [ +  +  +  - ]:           9 :     if (!str_err.empty()) return util::Error{str_err};
    2290   [ -  +  -  - ]:           6 :     if (!was_txn_committed) return util::Error{_("Error starting/committing db txn for wallet transactions removal process")};
    2291                 :           6 :     return {}; // all good
    2292                 :           7 : }
    2293                 :             : 
    2294                 :          13 : util::Result<void> CWallet::RemoveTxs(WalletBatch& batch, std::vector<Txid>& txs_to_remove)
    2295                 :             : {
    2296                 :          13 :     AssertLockHeld(cs_wallet);
    2297         [ -  + ]:          13 :     if (!batch.HasActiveTxn()) return util::Error{strprintf(_("The transactions removal process can only be executed within a db txn"))};
    2298                 :             : 
    2299                 :             :     // Check for transaction existence and remove entries from disk
    2300                 :          13 :     std::vector<decltype(mapWallet)::const_iterator> erased_txs;
    2301                 :          13 :     bilingual_str str_err;
    2302         [ +  + ]:          30 :     for (const Txid& hash : txs_to_remove) {
    2303         [ +  - ]:          18 :         auto it_wtx = mapWallet.find(hash);
    2304         [ +  + ]:          18 :         if (it_wtx == mapWallet.end()) {
    2305   [ +  -  +  - ]:           3 :             return util::Error{strprintf(_("Transaction %s does not belong to this wallet"), hash.GetHex())};
    2306                 :             :         }
    2307   [ +  -  -  + ]:          17 :         if (!batch.EraseTx(hash)) {
    2308   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Failure removing transaction: %s"), hash.GetHex())};
    2309                 :             :         }
    2310         [ +  - ]:          17 :         erased_txs.emplace_back(it_wtx);
    2311                 :             :     }
    2312                 :             : 
    2313                 :             :     // Register callback to update the memory state only when the db txn is actually dumped to disk
    2314   [ +  -  +  -  :          72 :     batch.RegisterTxnListener({.on_commit=[&, erased_txs]() EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
                   +  - ]
    2315                 :             :         // Update the in-memory state and notify upper layers about the removals
    2316         [ +  + ]:          29 :         for (const auto& it : erased_txs) {
    2317                 :          17 :             const Txid hash{it->first};
    2318                 :          17 :             wtxOrdered.erase(it->second.m_it_wtxOrdered);
    2319         [ +  + ]:          35 :             for (const auto& txin : it->second.tx->vin)
    2320                 :          18 :                 mapTxSpends.erase(txin.prevout);
    2321         [ +  + ]:          45 :             for (unsigned int i = 0; i < it->second.tx->vout.size(); ++i) {
    2322                 :          28 :                 m_txos.erase(COutPoint(Txid::FromUint256(hash), i));
    2323                 :             :             }
    2324                 :          17 :             mapWallet.erase(it);
    2325                 :          17 :             NotifyTransactionChanged(hash, CT_DELETED);
    2326                 :             :         }
    2327                 :             : 
    2328                 :          12 :         MarkDirty();
    2329                 :          12 :     }, .on_abort={}});
    2330                 :             : 
    2331                 :          12 :     return {};
    2332   [ +  -  +  - ]:          25 : }
    2333                 :             : 
    2334                 :       28294 : bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& new_purpose)
    2335                 :             : {
    2336                 :       28294 :     bool fUpdated = false;
    2337                 :       28294 :     bool is_mine;
    2338                 :       28294 :     std::optional<AddressPurpose> purpose;
    2339                 :       28294 :     {
    2340                 :       28294 :         LOCK(cs_wallet);
    2341                 :       28294 :         std::map<CTxDestination, CAddressBookData>::iterator mi = m_address_book.find(address);
    2342   [ +  +  -  + ]:       28294 :         fUpdated = mi != m_address_book.end() && !mi->second.IsChange();
    2343                 :             : 
    2344   [ +  +  +  - ]:       28294 :         CAddressBookData& record = mi != m_address_book.end() ? mi->second : m_address_book[address];
    2345         [ +  - ]:       56588 :         record.SetLabel(strName);
    2346         [ +  - ]:       28294 :         is_mine = IsMine(address) != ISMINE_NO;
    2347         [ +  - ]:       28294 :         if (new_purpose) { /* update purpose only if requested */
    2348                 :       28294 :             record.purpose = new_purpose;
    2349                 :             :         }
    2350         [ +  - ]:       28294 :         purpose = record.purpose;
    2351                 :           0 :     }
    2352                 :             : 
    2353                 :       28294 :     const std::string& encoded_dest = EncodeDestination(address);
    2354   [ +  -  +  -  :       56588 :     if (new_purpose && !batch.WritePurpose(encoded_dest, PurposeToString(*new_purpose))) {
          +  -  -  +  -  
                      + ]
    2355         [ #  # ]:           0 :         WalletLogPrintf("Error: fail to write address book 'purpose' entry\n");
    2356                 :             :         return false;
    2357                 :             :     }
    2358   [ +  -  -  + ]:       28294 :     if (!batch.WriteName(encoded_dest, strName)) {
    2359         [ #  # ]:           0 :         WalletLogPrintf("Error: fail to write address book 'name' entry\n");
    2360                 :             :         return false;
    2361                 :             :     }
    2362                 :             : 
    2363                 :             :     // In very old wallets, address purpose may not be recorded so we derive it from IsMine
    2364   [ +  +  +  - ]:       56588 :     NotifyAddressBookChanged(address, strName, is_mine,
    2365   [ +  +  +  - ]:       28295 :                              purpose.value_or(is_mine ? AddressPurpose::RECEIVE : AddressPurpose::SEND),
    2366                 :             :                              (fUpdated ? CT_UPDATED : CT_NEW));
    2367                 :             :     return true;
    2368                 :       28294 : }
    2369                 :             : 
    2370                 :       28294 : bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& purpose)
    2371                 :             : {
    2372                 :       28294 :     WalletBatch batch(GetDatabase());
    2373         [ +  - ]:       28294 :     return SetAddressBookWithDB(batch, address, strName, purpose);
    2374                 :       28294 : }
    2375                 :             : 
    2376                 :           0 : bool CWallet::DelAddressBook(const CTxDestination& address)
    2377                 :             : {
    2378         [ #  # ]:           0 :     return RunWithinTxn(GetDatabase(), /*process_desc=*/"address book entry removal", [&](WalletBatch& batch){
    2379                 :           0 :         return DelAddressBookWithDB(batch, address);
    2380                 :           0 :     });
    2381                 :             : }
    2382                 :             : 
    2383                 :          26 : bool CWallet::DelAddressBookWithDB(WalletBatch& batch, const CTxDestination& address)
    2384                 :             : {
    2385                 :          26 :     const std::string& dest = EncodeDestination(address);
    2386                 :          26 :     {
    2387         [ +  - ]:          26 :         LOCK(cs_wallet);
    2388                 :             :         // 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.
    2389                 :             :         // NOTE: This isn't a problem for sending addresses because they don't have any data that needs to be kept.
    2390                 :             :         // When adding new address data, it should be considered here whether to retain or delete it.
    2391   [ +  -  -  + ]:          26 :         if (IsMine(address)) {
    2392         [ #  # ]:           0 :             WalletLogPrintf("%s called with IsMine address, NOT SUPPORTED. Please report this bug! %s\n", __func__, CLIENT_BUGREPORT);
    2393                 :             :             return false;
    2394                 :             :         }
    2395                 :             :         // Delete data rows associated with this address
    2396   [ +  -  -  + ]:          26 :         if (!batch.EraseAddressData(address)) {
    2397         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry data\n");
    2398                 :             :             return false;
    2399                 :             :         }
    2400                 :             : 
    2401                 :             :         // Delete purpose entry
    2402   [ +  -  -  + ]:          26 :         if (!batch.ErasePurpose(dest)) {
    2403         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry purpose\n");
    2404                 :             :             return false;
    2405                 :             :         }
    2406                 :             : 
    2407                 :             :         // Delete name entry
    2408   [ +  -  -  + ]:          26 :         if (!batch.EraseName(dest)) {
    2409         [ #  # ]:           0 :             WalletLogPrintf("Error: cannot erase address book entry name\n");
    2410                 :             :             return false;
    2411                 :             :         }
    2412                 :             : 
    2413                 :             :         // finally, remove it from the map
    2414         [ +  - ]:          26 :         m_address_book.erase(address);
    2415                 :           0 :     }
    2416                 :             : 
    2417                 :             :     // All good, signal changes
    2418   [ +  -  +  - ]:          26 :     NotifyAddressBookChanged(address, "", /*is_mine=*/false, AddressPurpose::SEND, CT_DELETED);
    2419                 :          26 :     return true;
    2420                 :          26 : }
    2421                 :             : 
    2422                 :         420 : size_t CWallet::KeypoolCountExternalKeys() const
    2423                 :             : {
    2424                 :         420 :     AssertLockHeld(cs_wallet);
    2425                 :             : 
    2426                 :         420 :     unsigned int count = 0;
    2427         [ +  + ]:        1755 :     for (auto spk_man : m_external_spk_managers) {
    2428                 :        1335 :         count += spk_man.second->GetKeyPoolSize();
    2429                 :             :     }
    2430                 :             : 
    2431                 :         420 :     return count;
    2432                 :             : }
    2433                 :             : 
    2434                 :        1276 : unsigned int CWallet::GetKeyPoolSize() const
    2435                 :             : {
    2436                 :        1276 :     AssertLockHeld(cs_wallet);
    2437                 :             : 
    2438                 :        1276 :     unsigned int count = 0;
    2439         [ +  + ]:        8470 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2440         [ +  - ]:        7194 :         count += spk_man->GetKeyPoolSize();
    2441                 :        1276 :     }
    2442                 :        1276 :     return count;
    2443                 :             : }
    2444                 :             : 
    2445                 :         899 : bool CWallet::TopUpKeyPool(unsigned int kpSize)
    2446                 :             : {
    2447                 :         899 :     LOCK(cs_wallet);
    2448                 :         899 :     bool res = true;
    2449   [ +  -  +  + ]:        5723 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2450         [ +  - ]:        4824 :         res &= spk_man->TopUp(kpSize);
    2451                 :           0 :     }
    2452         [ +  - ]:         899 :     return res;
    2453                 :         899 : }
    2454                 :             : 
    2455                 :       16258 : util::Result<CTxDestination> CWallet::GetNewDestination(const OutputType type, const std::string label)
    2456                 :             : {
    2457                 :       16258 :     LOCK(cs_wallet);
    2458         [ +  - ]:       16258 :     auto spk_man = GetScriptPubKeyMan(type, /*internal=*/false);
    2459         [ +  + ]:       16258 :     if (!spk_man) {
    2460   [ +  -  +  - ]:           6 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
    2461                 :             :     }
    2462                 :             : 
    2463         [ +  - ]:       16256 :     auto op_dest = spk_man->GetNewDestination(type);
    2464         [ +  + ]:       16256 :     if (op_dest) {
    2465         [ +  - ]:       16252 :         SetAddressBook(*op_dest, label, AddressPurpose::RECEIVE);
    2466                 :             :     }
    2467                 :             : 
    2468                 :       16256 :     return op_dest;
    2469                 :       32514 : }
    2470                 :             : 
    2471                 :         237 : util::Result<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type)
    2472                 :             : {
    2473                 :         237 :     LOCK(cs_wallet);
    2474                 :             : 
    2475         [ +  - ]:         237 :     ReserveDestination reservedest(this, type);
    2476         [ +  - ]:         237 :     auto op_dest = reservedest.GetReservedDestination(true);
    2477   [ +  +  +  - ]:         237 :     if (op_dest) reservedest.KeepDestination();
    2478                 :             : 
    2479                 :         237 :     return op_dest;
    2480         [ +  - ]:         474 : }
    2481                 :             : 
    2482                 :         862 : void CWallet::MarkDestinationsDirty(const std::set<CTxDestination>& destinations) {
    2483   [ +  +  +  + ]:      257038 :     for (auto& entry : mapWallet) {
    2484                 :      256176 :         CWalletTx& wtx = entry.second;
    2485         [ +  + ]:      256176 :         if (wtx.m_is_cache_empty) continue;
    2486         [ +  + ]:        2983 :         for (unsigned int i = 0; i < wtx.tx->vout.size(); i++) {
    2487                 :        2204 :             CTxDestination dst;
    2488   [ +  -  +  +  :        2204 :             if (ExtractDestination(wtx.tx->vout[i].scriptPubKey, dst) && destinations.count(dst)) {
                   +  + ]
    2489                 :         468 :                 wtx.MarkDirty();
    2490                 :         468 :                 break;
    2491                 :             :             }
    2492                 :        2204 :         }
    2493                 :             :     }
    2494                 :         862 : }
    2495                 :             : 
    2496                 :         124 : void CWallet::ForEachAddrBookEntry(const ListAddrBookFunc& func) const
    2497                 :             : {
    2498                 :         124 :     AssertLockHeld(cs_wallet);
    2499         [ +  + ]:        1453 :     for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book) {
    2500                 :        1329 :         const auto& entry = item.second;
    2501   [ +  -  +  - ]:        3987 :         func(item.first, entry.GetLabel(), entry.IsChange(), entry.purpose);
    2502                 :             :     }
    2503                 :         124 : }
    2504                 :             : 
    2505                 :          24 : std::vector<CTxDestination> CWallet::ListAddrBookAddresses(const std::optional<AddrBookFilter>& _filter) const
    2506                 :             : {
    2507                 :          24 :     AssertLockHeld(cs_wallet);
    2508                 :          24 :     std::vector<CTxDestination> result;
    2509   [ +  -  +  - ]:          24 :     AddrBookFilter filter = _filter ? *_filter : AddrBookFilter();
    2510         [ +  - ]:          24 :     ForEachAddrBookEntry([&result, &filter](const CTxDestination& dest, const std::string& label, bool is_change, const std::optional<AddressPurpose>& purpose) {
    2511                 :             :         // Filter by change
    2512   [ +  -  +  - ]:         196 :         if (filter.ignore_change && is_change) return;
    2513                 :             :         // Filter by label
    2514   [ +  -  +  + ]:         196 :         if (filter.m_op_label && *filter.m_op_label != label) return;
    2515                 :             :         // All good
    2516                 :          40 :         result.emplace_back(dest);
    2517                 :             :     });
    2518                 :          24 :     return result;
    2519                 :          24 : }
    2520                 :             : 
    2521                 :          38 : std::set<std::string> CWallet::ListAddrBookLabels(const std::optional<AddressPurpose> purpose) const
    2522                 :             : {
    2523                 :          38 :     AssertLockHeld(cs_wallet);
    2524         [ +  - ]:          38 :     std::set<std::string> label_set;
    2525         [ +  - ]:          38 :     ForEachAddrBookEntry([&](const CTxDestination& _dest, const std::string& _label,
    2526                 :             :                              bool _is_change, const std::optional<AddressPurpose>& _purpose) {
    2527         [ +  - ]:         489 :         if (_is_change) return;
    2528   [ +  +  +  - ]:         489 :         if (!purpose || purpose == _purpose) {
    2529                 :         478 :             label_set.insert(_label);
    2530                 :             :         }
    2531                 :             :     });
    2532                 :          38 :     return label_set;
    2533                 :           0 : }
    2534                 :             : 
    2535                 :        1938 : util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool internal)
    2536                 :             : {
    2537                 :        1938 :     m_spk_man = pwallet->GetScriptPubKeyMan(type, internal);
    2538         [ +  + ]:        1938 :     if (!m_spk_man) {
    2539                 :          22 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
    2540                 :             :     }
    2541                 :             : 
    2542         [ +  - ]:        1927 :     if (nIndex == -1) {
    2543                 :        1927 :         int64_t index;
    2544                 :        1927 :         auto op_address = m_spk_man->GetReservedDestination(type, internal, index);
    2545         [ +  + ]:        1927 :         if (!op_address) return op_address;
    2546                 :        1923 :         nIndex = index;
    2547         [ +  - ]:        3846 :         address = *op_address;
    2548                 :        1927 :     }
    2549                 :        1923 :     return address;
    2550                 :             : }
    2551                 :             : 
    2552                 :        3552 : void ReserveDestination::KeepDestination()
    2553                 :             : {
    2554         [ +  + ]:        3552 :     if (nIndex != -1) {
    2555                 :        1840 :         m_spk_man->KeepDestination(nIndex, type);
    2556                 :             :     }
    2557                 :        3552 :     nIndex = -1;
    2558                 :        3552 :     address = CNoDestination();
    2559                 :        3552 : }
    2560                 :             : 
    2561                 :        3643 : void ReserveDestination::ReturnDestination()
    2562                 :             : {
    2563         [ +  + ]:        3643 :     if (nIndex != -1) {
    2564                 :          83 :         m_spk_man->ReturnDestination(nIndex, fInternal, address);
    2565                 :             :     }
    2566                 :        3643 :     nIndex = -1;
    2567                 :        3643 :     address = CNoDestination();
    2568                 :        3643 : }
    2569                 :             : 
    2570                 :           5 : util::Result<void> CWallet::DisplayAddress(const CTxDestination& dest)
    2571                 :             : {
    2572                 :           5 :     CScript scriptPubKey = GetScriptForDestination(dest);
    2573   [ +  -  +  - ]:           5 :     for (const auto& spk_man : GetScriptPubKeyMans(scriptPubKey)) {
    2574         [ +  - ]:           5 :         auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan *>(spk_man);
    2575         [ -  + ]:           5 :         if (signer_spk_man == nullptr) {
    2576                 :           0 :             continue;
    2577                 :             :         }
    2578         [ +  + ]:           5 :         auto signer{ExternalSignerScriptPubKeyMan::GetExternalSigner()};
    2579   [ -  +  -  -  :           4 :         if (!signer) throw std::runtime_error(util::ErrorString(signer).original);
                   -  - ]
    2580         [ +  - ]:           4 :         return signer_spk_man->DisplayAddress(dest, *signer);
    2581                 :           5 :     }
    2582         [ #  # ]:           0 :     return util::Error{_("There is no ScriptPubKeyManager for this address")};
    2583                 :           4 : }
    2584                 :             : 
    2585                 :          78 : void CWallet::LoadLockedCoin(const COutPoint& coin, bool persistent)
    2586                 :             : {
    2587                 :          78 :     AssertLockHeld(cs_wallet);
    2588                 :          78 :     m_locked_coins.emplace(coin, persistent);
    2589                 :          78 : }
    2590                 :             : 
    2591                 :          76 : bool CWallet::LockCoin(const COutPoint& output, bool persist)
    2592                 :             : {
    2593                 :          76 :     AssertLockHeld(cs_wallet);
    2594                 :          76 :     LoadLockedCoin(output, persist);
    2595         [ +  + ]:          76 :     if (persist) {
    2596                 :           1 :         WalletBatch batch(GetDatabase());
    2597         [ +  - ]:           1 :         return batch.WriteLockedUTXO(output);
    2598                 :           1 :     }
    2599                 :             :     return true;
    2600                 :             : }
    2601                 :             : 
    2602                 :       12791 : bool CWallet::UnlockCoin(const COutPoint& output)
    2603                 :             : {
    2604                 :       12791 :     AssertLockHeld(cs_wallet);
    2605                 :       12791 :     auto locked_coin_it = m_locked_coins.find(output);
    2606         [ +  + ]:       12791 :     if (locked_coin_it != m_locked_coins.end()) {
    2607                 :          10 :         bool persisted = locked_coin_it->second;
    2608                 :          10 :         m_locked_coins.erase(locked_coin_it);
    2609         [ +  + ]:          10 :         if (persisted) {
    2610                 :           1 :             WalletBatch batch(GetDatabase());
    2611         [ +  - ]:           1 :             return batch.EraseLockedUTXO(output);
    2612                 :           1 :         }
    2613                 :             :     }
    2614                 :             :     return true;
    2615                 :             : }
    2616                 :             : 
    2617                 :           4 : bool CWallet::UnlockAllCoins()
    2618                 :             : {
    2619                 :           4 :     AssertLockHeld(cs_wallet);
    2620                 :           4 :     bool success = true;
    2621                 :           4 :     WalletBatch batch(GetDatabase());
    2622   [ -  +  +  + ]:          52 :     for (const auto& [coin, persistent] : m_locked_coins) {
    2623   [ -  +  -  -  :          48 :         if (persistent) success = success && batch.EraseLockedUTXO(coin);
             -  -  -  - ]
    2624                 :             :     }
    2625                 :           4 :     m_locked_coins.clear();
    2626                 :           4 :     return success;
    2627                 :           4 : }
    2628                 :             : 
    2629                 :      455599 : bool CWallet::IsLockedCoin(const COutPoint& output) const
    2630                 :             : {
    2631                 :      455599 :     AssertLockHeld(cs_wallet);
    2632                 :      455599 :     return m_locked_coins.count(output) > 0;
    2633                 :             : }
    2634                 :             : 
    2635                 :           9 : void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
    2636                 :             : {
    2637                 :           9 :     AssertLockHeld(cs_wallet);
    2638         [ +  + ]:          13 :     for (const auto& [coin, _] : m_locked_coins) {
    2639                 :           4 :         vOutpts.push_back(coin);
    2640                 :             :     }
    2641                 :           9 : }
    2642                 :             : 
    2643                 :             : /**
    2644                 :             :  * Compute smart timestamp for a transaction being added to the wallet.
    2645                 :             :  *
    2646                 :             :  * Logic:
    2647                 :             :  * - If sending a transaction, assign its timestamp to the current time.
    2648                 :             :  * - If receiving a transaction outside a block, assign its timestamp to the
    2649                 :             :  *   current time.
    2650                 :             :  * - If receiving a transaction during a rescanning process, assign all its
    2651                 :             :  *   (not already known) transactions' timestamps to the block time.
    2652                 :             :  * - If receiving a block with a future timestamp, assign all its (not already
    2653                 :             :  *   known) transactions' timestamps to the current time.
    2654                 :             :  * - If receiving a block with a past timestamp, before the most recent known
    2655                 :             :  *   transaction (that we care about), assign all its (not already known)
    2656                 :             :  *   transactions' timestamps to the same timestamp as that most-recent-known
    2657                 :             :  *   transaction.
    2658                 :             :  * - If receiving a block with a past timestamp, but after the most recent known
    2659                 :             :  *   transaction, assign all its (not already known) transactions' timestamps to
    2660                 :             :  *   the block time.
    2661                 :             :  *
    2662                 :             :  * For more information see CWalletTx::nTimeSmart,
    2663                 :             :  * https://bitcointalk.org/?topic=54527, or
    2664                 :             :  * https://github.com/bitcoin/bitcoin/pull/1393.
    2665                 :             :  */
    2666                 :       18080 : unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx, bool rescanning_old_block) const
    2667                 :             : {
    2668                 :       18080 :     std::optional<uint256> block_hash;
    2669         [ +  + ]:       18080 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    2670                 :       14832 :         block_hash = conf->confirmed_block_hash;
    2671         [ -  + ]:        3248 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    2672                 :           0 :         block_hash = conf->conflicting_block_hash;
    2673                 :             :     }
    2674                 :             : 
    2675                 :       18080 :     unsigned int nTimeSmart = wtx.nTimeReceived;
    2676         [ +  + ]:       18080 :     if (block_hash) {
    2677                 :       14832 :         int64_t blocktime;
    2678                 :       14832 :         int64_t block_max_time;
    2679         [ +  - ]:       14832 :         if (chain().findBlock(*block_hash, FoundBlock().time(blocktime).maxTime(block_max_time))) {
    2680         [ +  + ]:       14832 :             if (rescanning_old_block) {
    2681                 :        4216 :                 nTimeSmart = block_max_time;
    2682                 :             :             } else {
    2683                 :       10616 :                 int64_t latestNow = wtx.nTimeReceived;
    2684                 :       10616 :                 int64_t latestEntry = 0;
    2685                 :             : 
    2686                 :             :                 // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
    2687                 :       10616 :                 int64_t latestTolerated = latestNow + 300;
    2688                 :       10616 :                 const TxItems& txOrdered = wtxOrdered;
    2689         [ +  + ]:       21234 :                 for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
    2690                 :       21114 :                     CWalletTx* const pwtx = it->second;
    2691         [ +  + ]:       21114 :                     if (pwtx == &wtx) {
    2692                 :       10616 :                         continue;
    2693                 :             :                     }
    2694                 :       10498 :                     int64_t nSmartTime;
    2695                 :       10498 :                     nSmartTime = pwtx->nTimeSmart;
    2696         [ -  + ]:       10498 :                     if (!nSmartTime) {
    2697                 :           0 :                         nSmartTime = pwtx->nTimeReceived;
    2698                 :             :                     }
    2699         [ +  + ]:       10498 :                     if (nSmartTime <= latestTolerated) {
    2700                 :       10496 :                         latestEntry = nSmartTime;
    2701         [ +  + ]:       10496 :                         if (nSmartTime > latestNow) {
    2702                 :           1 :                             latestNow = nSmartTime;
    2703                 :             :                         }
    2704                 :             :                         break;
    2705                 :             :                     }
    2706                 :             :                 }
    2707                 :             : 
    2708   [ +  +  +  + ]:       11730 :                 nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
    2709                 :             :             }
    2710                 :             :         } else {
    2711   [ #  #  #  # ]:           0 :             WalletLogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), block_hash->ToString());
    2712                 :             :         }
    2713                 :             :     }
    2714                 :       18080 :     return nTimeSmart;
    2715                 :             : }
    2716                 :             : 
    2717                 :          19 : bool CWallet::SetAddressPreviouslySpent(WalletBatch& batch, const CTxDestination& dest, bool used)
    2718                 :             : {
    2719         [ +  - ]:          19 :     if (std::get_if<CNoDestination>(&dest))
    2720                 :             :         return false;
    2721                 :             : 
    2722         [ -  + ]:          19 :     if (!used) {
    2723         [ #  # ]:           0 :         if (auto* data{common::FindKey(m_address_book, dest)}) data->previously_spent = false;
    2724                 :           0 :         return batch.WriteAddressPreviouslySpent(dest, false);
    2725                 :             :     }
    2726                 :             : 
    2727                 :          19 :     LoadAddressPreviouslySpent(dest);
    2728                 :          19 :     return batch.WriteAddressPreviouslySpent(dest, true);
    2729                 :             : }
    2730                 :             : 
    2731                 :          26 : void CWallet::LoadAddressPreviouslySpent(const CTxDestination& dest)
    2732                 :             : {
    2733                 :          26 :     m_address_book[dest].previously_spent = true;
    2734                 :          26 : }
    2735                 :             : 
    2736                 :           3 : void CWallet::LoadAddressReceiveRequest(const CTxDestination& dest, const std::string& id, const std::string& request)
    2737                 :             : {
    2738                 :           3 :     m_address_book[dest].receive_requests[id] = request;
    2739                 :           3 : }
    2740                 :             : 
    2741                 :        1652 : bool CWallet::IsAddressPreviouslySpent(const CTxDestination& dest) const
    2742                 :             : {
    2743         [ +  + ]:        1652 :     if (auto* data{common::FindKey(m_address_book, dest)}) return data->previously_spent;
    2744                 :             :     return false;
    2745                 :             : }
    2746                 :             : 
    2747                 :           2 : std::vector<std::string> CWallet::GetAddressReceiveRequests() const
    2748                 :             : {
    2749                 :           2 :     std::vector<std::string> values;
    2750         [ +  + ]:           5 :     for (const auto& [dest, entry] : m_address_book) {
    2751   [ +  -  +  + ]:           6 :         for (const auto& [id, request] : entry.receive_requests) {
    2752         [ +  - ]:           3 :             values.emplace_back(request);
    2753                 :             :         }
    2754                 :             :     }
    2755                 :           2 :     return values;
    2756                 :           0 : }
    2757                 :             : 
    2758                 :           4 : bool CWallet::SetAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id, const std::string& value)
    2759                 :             : {
    2760         [ +  - ]:           4 :     if (!batch.WriteAddressReceiveRequest(dest, id, value)) return false;
    2761                 :           4 :     m_address_book[dest].receive_requests[id] = value;
    2762                 :           4 :     return true;
    2763                 :             : }
    2764                 :             : 
    2765                 :           1 : bool CWallet::EraseAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id)
    2766                 :             : {
    2767         [ +  - ]:           1 :     if (!batch.EraseAddressReceiveRequest(dest, id)) return false;
    2768                 :           1 :     m_address_book[dest].receive_requests.erase(id);
    2769                 :           1 :     return true;
    2770                 :             : }
    2771                 :             : 
    2772                 :        1278 : static util::Result<fs::path> GetWalletPath(const std::string& name)
    2773                 :             : {
    2774                 :             :     // Do some checking on wallet path. It should be either a:
    2775                 :             :     //
    2776                 :             :     // 1. Path where a directory can be created.
    2777                 :             :     // 2. Path to an existing directory.
    2778                 :             :     // 3. Path to a symlink to a directory.
    2779                 :             :     // 4. For backwards compatibility, the name of a data file in -walletdir.
    2780   [ +  -  +  - ]:        2556 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(name));
    2781         [ +  - ]:        1278 :     fs::file_type path_type = fs::symlink_status(wallet_path).type();
    2782   [ +  +  +  +  :        2560 :     if (!(path_type == fs::file_type::not_found || path_type == fs::file_type::directory ||
             +  +  +  + ]
    2783   [ +  -  +  + ]:          16 :           (path_type == fs::file_type::symlink && fs::is_directory(wallet_path)) ||
    2784   [ +  -  +  -  :        1284 :           (path_type == fs::file_type::regular && fs::PathFromString(name).filename() == fs::PathFromString(name)))) {
          +  -  -  +  +  
          +  +  +  -  -  
                   -  - ]
    2785   [ +  -  +  - ]:           8 :         return util::Error{Untranslated(strprintf(
    2786                 :             :               "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
    2787                 :             :               "database/log.?????????? files can be stored, a location where such a directory could be created, "
    2788                 :             :               "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
    2789   [ +  -  +  - ]:          20 :               name, fs::quoted(fs::PathToString(GetWalletDir()))))};
    2790                 :             :     }
    2791         [ +  - ]:        2548 :     return wallet_path;
    2792                 :        1278 : }
    2793                 :             : 
    2794                 :        1240 : std::unique_ptr<WalletDatabase> MakeWalletDatabase(const std::string& name, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error_string)
    2795                 :             : {
    2796                 :        1240 :     const auto& wallet_path = GetWalletPath(name);
    2797         [ +  + ]:        1240 :     if (!wallet_path) {
    2798         [ +  - ]:           4 :         error_string = util::ErrorString(wallet_path);
    2799                 :           4 :         status = DatabaseStatus::FAILED_BAD_PATH;
    2800                 :           4 :         return nullptr;
    2801                 :             :     }
    2802         [ +  - ]:        1236 :     return MakeDatabase(*wallet_path, options, status, error_string);
    2803                 :        1240 : }
    2804                 :             : 
    2805                 :         848 : std::shared_ptr<CWallet> CWallet::Create(WalletContext& context, const std::string& name, std::unique_ptr<WalletDatabase> database, uint64_t wallet_creation_flags, bilingual_str& error, std::vector<bilingual_str>& warnings)
    2806                 :             : {
    2807                 :         848 :     interfaces::Chain* chain = context.chain;
    2808                 :         848 :     ArgsManager& args = *Assert(context.args);
    2809                 :         848 :     const std::string& walletFile = database->Filename();
    2810                 :             : 
    2811                 :         848 :     const auto start{SteadyClock::now()};
    2812                 :             :     // TODO: Can't use std::make_shared because we need a custom deleter but
    2813                 :             :     // should be possible to use std::allocate_shared.
    2814   [ +  -  +  -  :        1696 :     std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), FlushAndDeleteWallet);
             +  -  -  - ]
    2815   [ +  -  +  -  :        1693 :     walletInstance->m_keypool_size = std::max(args.GetIntArg("-keypool", DEFAULT_KEYPOOL_SIZE), int64_t{1});
                   +  + ]
    2816   [ +  -  +  -  :         848 :     walletInstance->m_notify_tx_changed_script = args.GetArg("-walletnotify", "");
                   +  - ]
    2817                 :             : 
    2818                 :             :     // Load wallet
    2819                 :         848 :     bool rescan_required = false;
    2820         [ +  - ]:         848 :     DBErrors nLoadWalletRet = walletInstance->LoadWallet();
    2821   [ -  +  -  -  :         848 :     if (nLoadWalletRet != DBErrors::LOAD_OK) {
          -  -  -  +  -  
                   -  + ]
    2822                 :             :         if (nLoadWalletRet == DBErrors::CORRUPT) {
    2823         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet corrupted"), walletFile);
    2824                 :           0 :             return nullptr;
    2825                 :             :         }
    2826                 :             :         else if (nLoadWalletRet == DBErrors::NONCRITICAL_ERROR)
    2827                 :             :         {
    2828         [ +  - ]:           3 :             warnings.push_back(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
    2829                 :             :                                            " or address metadata may be missing or incorrect."),
    2830                 :             :                 walletFile));
    2831                 :             :         }
    2832                 :             :         else if (nLoadWalletRet == DBErrors::TOO_NEW) {
    2833         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet requires newer version of %s"), walletFile, CLIENT_NAME);
    2834                 :           0 :             return nullptr;
    2835                 :             :         }
    2836                 :             :         else if (nLoadWalletRet == DBErrors::EXTERNAL_SIGNER_SUPPORT_REQUIRED) {
    2837         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: External signer wallet being loaded without external signer support compiled"), walletFile);
    2838                 :           0 :             return nullptr;
    2839                 :             :         }
    2840                 :             :         else if (nLoadWalletRet == DBErrors::NEED_REWRITE)
    2841                 :             :         {
    2842         [ #  # ]:           0 :             error = strprintf(_("Wallet needed to be rewritten: restart %s to complete"), CLIENT_NAME);
    2843                 :           0 :             return nullptr;
    2844                 :             :         } else if (nLoadWalletRet == DBErrors::NEED_RESCAN) {
    2845         [ #  # ]:           0 :             warnings.push_back(strprintf(_("Error reading %s! Transaction data may be missing or incorrect."
    2846                 :             :                                            " Rescanning wallet."), walletFile));
    2847                 :           0 :             rescan_required = true;
    2848                 :             :         } else if (nLoadWalletRet == DBErrors::UNKNOWN_DESCRIPTOR) {
    2849         [ #  # ]:           0 :             error = strprintf(_("Unrecognized descriptor found. Loading wallet %s\n\n"
    2850                 :             :                                 "The wallet might had been created on a newer version.\n"
    2851                 :           0 :                                 "Please try running the latest software version.\n"), walletFile);
    2852                 :           0 :             return nullptr;
    2853                 :             :         } else if (nLoadWalletRet == DBErrors::UNEXPECTED_LEGACY_ENTRY) {
    2854         [ +  - ]:           1 :             error = strprintf(_("Unexpected legacy entry in descriptor wallet found. Loading wallet %s\n\n"
    2855                 :           1 :                                 "The wallet might have been tampered with or created with malicious intent.\n"), walletFile);
    2856                 :           1 :             return nullptr;
    2857                 :             :         } else if (nLoadWalletRet == DBErrors::LEGACY_WALLET) {
    2858         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet is a legacy wallet. Please migrate to a descriptor wallet using the migration tool (migratewallet RPC)."), walletFile);
    2859                 :           0 :             return nullptr;
    2860                 :             :         } else {
    2861         [ #  # ]:           0 :             error = strprintf(_("Error loading %s"), walletFile);
    2862                 :           0 :             return nullptr;
    2863                 :             :         }
    2864                 :             :     }
    2865                 :             : 
    2866                 :             :     // This wallet is in its first run if there are no ScriptPubKeyMans and it isn't blank or no privkeys
    2867   [ +  +  +  + ]:        1386 :     const bool fFirstRun = walletInstance->m_spk_managers.empty() &&
    2868   [ +  +  +  -  :        1376 :                      !walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) &&
                   +  + ]
    2869         [ +  - ]:         529 :                      !walletInstance->IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
    2870                 :         847 :     if (fFirstRun)
    2871                 :             :     {
    2872         [ +  - ]:         522 :         LOCK(walletInstance->cs_wallet);
    2873                 :             : 
    2874                 :             :         // ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key
    2875         [ +  - ]:         522 :         walletInstance->SetMinVersion(FEATURE_LATEST);
    2876                 :             : 
    2877                 :             :         // Init with passed flags.
    2878                 :             :         // Always set the cache upgrade flag as this feature is supported from the beginning.
    2879         [ +  - ]:         522 :         walletInstance->InitWalletFlags(wallet_creation_flags | WALLET_FLAG_LAST_HARDENED_XPUB_CACHED);
    2880                 :             : 
    2881                 :             :         // Only descriptor wallets can be created
    2882   [ +  -  -  + ]:         522 :         assert(walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    2883                 :             : 
    2884   [ +  +  +  + ]:         522 :         if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) || !(wallet_creation_flags & (WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET))) {
    2885         [ +  + ]:         310 :             walletInstance->SetupDescriptorScriptPubKeyMans();
    2886                 :             :         }
    2887                 :             : 
    2888         [ +  + ]:         519 :         if (chain) {
    2889         [ +  - ]:         502 :             std::optional<int> tip_height = chain->getHeight();
    2890         [ +  - ]:         502 :             if (tip_height) {
    2891   [ +  -  +  - ]:         502 :                 walletInstance->SetLastBlockProcessed(*tip_height, chain->getBlockHash(*tip_height));
    2892                 :             :             }
    2893                 :             :         }
    2894         [ -  + ]:         847 :     } else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) {
    2895                 :             :         // Make it impossible to disable private keys after creation
    2896         [ #  # ]:           0 :         error = strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile);
    2897                 :           0 :         return nullptr;
    2898   [ +  -  +  + ]:         325 :     } else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
    2899   [ +  -  +  + ]:          58 :         for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
    2900   [ +  -  -  + ]:          16 :             if (spk_man->HavePrivateKeys()) {
    2901         [ #  # ]:           0 :                 warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
    2902                 :           0 :                 break;
    2903                 :             :             }
    2904                 :          42 :         }
    2905                 :             :     }
    2906                 :             : 
    2907   [ +  -  +  -  :         844 :     if (!args.GetArg("-addresstype", "").empty()) {
             +  -  +  + ]
    2908   [ +  -  +  -  :         150 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-addresstype", ""));
             +  -  +  - ]
    2909         [ -  + ]:          75 :         if (!parsed) {
    2910   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown address type '%s'"), args.GetArg("-addresstype", ""));
             #  #  #  # ]
    2911                 :           0 :             return nullptr;
    2912                 :             :         }
    2913                 :          75 :         walletInstance->m_default_address_type = parsed.value();
    2914                 :             :     }
    2915                 :             : 
    2916   [ +  -  +  -  :         844 :     if (!args.GetArg("-changetype", "").empty()) {
             +  -  +  + ]
    2917   [ +  -  +  -  :          28 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-changetype", ""));
             +  -  +  - ]
    2918         [ -  + ]:          14 :         if (!parsed) {
    2919   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown change type '%s'"), args.GetArg("-changetype", ""));
             #  #  #  # ]
    2920                 :           0 :             return nullptr;
    2921                 :             :         }
    2922                 :          14 :         walletInstance->m_default_change_type = parsed.value();
    2923                 :             :     }
    2924                 :             : 
    2925   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-mintxfee")}) {
                   +  + ]
    2926         [ +  - ]:          13 :         std::optional<CAmount> min_tx_fee = ParseMoney(*arg);
    2927         [ -  + ]:          13 :         if (!min_tx_fee) {
    2928   [ #  #  #  # ]:           0 :             error = AmountErrMsg("mintxfee", *arg);
    2929                 :           0 :             return nullptr;
    2930         [ -  + ]:          13 :         } else if (min_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    2931   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-mintxfee") + Untranslated(" ") +
                   #  # ]
    2932   [ #  #  #  # ]:           0 :                                _("This is the minimum transaction fee you pay on every transaction."));
    2933                 :             :         }
    2934                 :             : 
    2935                 :          13 :         walletInstance->m_min_fee = CFeeRate{min_tx_fee.value()};
    2936                 :           0 :     }
    2937                 :             : 
    2938   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-maxapsfee")}) {
                   +  + ]
    2939         [ -  + ]:           2 :         const std::string& max_aps_fee{*arg};
    2940         [ -  + ]:           2 :         if (max_aps_fee == "-1") {
    2941                 :           0 :             walletInstance->m_max_aps_fee = -1;
    2942   [ +  -  +  - ]:           2 :         } else if (std::optional<CAmount> max_fee = ParseMoney(max_aps_fee)) {
    2943         [ -  + ]:           2 :             if (max_fee.value() > HIGH_APS_FEE) {
    2944   [ #  #  #  #  :           0 :                 warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") +
                   #  # ]
    2945   [ #  #  #  # ]:           0 :                                   _("This is the maximum transaction fee you pay (in addition to the normal fee) to prioritize partial spend avoidance over regular coin selection."));
    2946                 :             :             }
    2947                 :           2 :             walletInstance->m_max_aps_fee = max_fee.value();
    2948                 :             :         } else {
    2949   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxapsfee", max_aps_fee);
    2950                 :           0 :             return nullptr;
    2951                 :             :         }
    2952                 :           0 :     }
    2953                 :             : 
    2954   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-fallbackfee")}) {
                   +  + ]
    2955         [ +  - ]:         839 :         std::optional<CAmount> fallback_fee = ParseMoney(*arg);
    2956         [ -  + ]:         839 :         if (!fallback_fee) {
    2957         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-fallbackfee", *arg);
    2958                 :           0 :             return nullptr;
    2959         [ -  + ]:         839 :         } else if (fallback_fee.value() > HIGH_TX_FEE_PER_KB) {
    2960   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-fallbackfee") + Untranslated(" ") +
                   #  # ]
    2961   [ #  #  #  # ]:           0 :                                _("This is the transaction fee you may pay when fee estimates are not available."));
    2962                 :             :         }
    2963                 :         839 :         walletInstance->m_fallback_fee = CFeeRate{fallback_fee.value()};
    2964                 :           0 :     }
    2965                 :             : 
    2966                 :             :     // Disable fallback fee in case value was set to 0, enable if non-null value
    2967         [ +  - ]:         844 :     walletInstance->m_allow_fallback_fee = walletInstance->m_fallback_fee.GetFeePerK() != 0;
    2968                 :             : 
    2969   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-discardfee")}) {
                   +  + ]
    2970         [ +  - ]:           6 :         std::optional<CAmount> discard_fee = ParseMoney(*arg);
    2971         [ -  + ]:           6 :         if (!discard_fee) {
    2972         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-discardfee", *arg);
    2973                 :           0 :             return nullptr;
    2974         [ +  + ]:           6 :         } else if (discard_fee.value() > HIGH_TX_FEE_PER_KB) {
    2975   [ +  -  +  -  :          24 :             warnings.push_back(AmountHighWarn("-discardfee") + Untranslated(" ") +
                   +  - ]
    2976   [ +  -  +  - ]:           8 :                                _("This is the transaction fee you may discard if change is smaller than dust at this level"));
    2977                 :             :         }
    2978                 :           6 :         walletInstance->m_discard_rate = CFeeRate{discard_fee.value()};
    2979                 :           0 :     }
    2980                 :             : 
    2981   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-paytxfee")}) {
                   +  + ]
    2982         [ +  - ]:          12 :         warnings.push_back(_("-paytxfee is deprecated and will be fully removed in v31.0."));
    2983                 :             : 
    2984         [ +  - ]:           6 :         std::optional<CAmount> pay_tx_fee = ParseMoney(*arg);
    2985         [ -  + ]:           6 :         if (!pay_tx_fee) {
    2986   [ #  #  #  # ]:           0 :             error = AmountErrMsg("paytxfee", *arg);
    2987                 :           0 :             return nullptr;
    2988         [ -  + ]:           6 :         } else if (pay_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    2989   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-paytxfee") + Untranslated(" ") +
                   #  # ]
    2990   [ #  #  #  # ]:           0 :                                _("This is the transaction fee you will pay if you send a transaction."));
    2991                 :             :         }
    2992                 :             : 
    2993   [ +  -  +  - ]:           6 :         walletInstance->m_pay_tx_fee = CFeeRate{pay_tx_fee.value(), 1000};
    2994                 :             : 
    2995   [ +  -  +  -  :           6 :         if (chain && walletInstance->m_pay_tx_fee < chain->relayMinFee()) {
                   -  + ]
    2996         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least %s)"),
    2997   [ #  #  #  # ]:           0 :                 "-paytxfee", *arg, chain->relayMinFee().ToString());
    2998                 :           0 :             return nullptr;
    2999                 :             :         }
    3000                 :           0 :     }
    3001                 :             : 
    3002   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-maxtxfee")}) {
                   +  + ]
    3003         [ +  - ]:           2 :         std::optional<CAmount> max_fee = ParseMoney(*arg);
    3004         [ -  + ]:           2 :         if (!max_fee) {
    3005   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxtxfee", *arg);
    3006                 :           0 :             return nullptr;
    3007         [ -  + ]:           2 :         } else if (max_fee.value() > HIGH_MAX_TX_FEE) {
    3008         [ #  # ]:           0 :             warnings.push_back(strprintf(_("%s is set very high! Fees this large could be paid on a single transaction."), "-maxtxfee"));
    3009                 :             :         }
    3010                 :             : 
    3011   [ +  -  +  -  :           4 :         if (chain && CFeeRate{max_fee.value(), 1000} < chain->relayMinFee()) {
             +  -  +  - ]
    3012         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
    3013   [ #  #  #  # ]:           0 :                 "-maxtxfee", *arg, chain->relayMinFee().ToString());
    3014                 :           0 :             return nullptr;
    3015                 :             :         }
    3016                 :             : 
    3017         [ +  - ]:           2 :         walletInstance->m_default_max_tx_fee = max_fee.value();
    3018                 :           0 :     }
    3019                 :             : 
    3020   [ +  -  +  -  :        1688 :     if (const auto arg{args.GetArg("-consolidatefeerate")}) {
                   -  + ]
    3021   [ #  #  #  # ]:           0 :         if (std::optional<CAmount> consolidate_feerate = ParseMoney(*arg)) {
    3022                 :           0 :             walletInstance->m_consolidate_feerate = CFeeRate(*consolidate_feerate);
    3023                 :             :         } else {
    3024   [ #  #  #  # ]:           0 :             error = AmountErrMsg("consolidatefeerate", *arg);
    3025                 :           0 :             return nullptr;
    3026                 :             :         }
    3027                 :           0 :     }
    3028                 :             : 
    3029   [ +  +  +  -  :         844 :     if (chain && chain->relayMinFee().GetFeePerK() > HIGH_TX_FEE_PER_KB) {
                   +  + ]
    3030   [ +  -  +  -  :          12 :         warnings.push_back(AmountHighWarn("-minrelaytxfee") + Untranslated(" ") +
                   +  - ]
    3031   [ +  -  +  - ]:           4 :                            _("The wallet will avoid paying less than the minimum relay fee."));
    3032                 :             :     }
    3033                 :             : 
    3034   [ +  -  +  - ]:         844 :     walletInstance->m_confirm_target = args.GetIntArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
    3035   [ +  -  +  - ]:         844 :     walletInstance->m_spend_zero_conf_change = args.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
    3036   [ +  -  +  - ]:         844 :     walletInstance->m_signal_rbf = args.GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
    3037                 :             : 
    3038         [ +  - ]:         844 :     walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));
    3039                 :             : 
    3040                 :             :     // Try to top up keypool. No-op if the wallet is locked.
    3041         [ +  - ]:         844 :     walletInstance->TopUpKeyPool();
    3042                 :             : 
    3043                 :             :     // Cache the first key time
    3044                 :         844 :     std::optional<int64_t> time_first_key;
    3045   [ +  -  +  + ]:        5698 :     for (auto spk_man : walletInstance->GetAllScriptPubKeyMans()) {
    3046         [ +  - ]:        4854 :         int64_t time = spk_man->GetTimeFirstKey();
    3047   [ +  +  +  + ]:        4854 :         if (!time_first_key || time < *time_first_key) time_first_key = time;
    3048                 :           0 :     }
    3049   [ +  +  +  - ]:         844 :     if (time_first_key) walletInstance->MaybeUpdateBirthTime(*time_first_key);
    3050                 :             : 
    3051   [ +  +  +  -  :         844 :     if (chain && !AttachChain(walletInstance, *chain, rescan_required, error, warnings)) {
                   +  + ]
    3052         [ +  + ]:           2 :         walletInstance->m_chain_notifications_handler.reset(); // Reset this pointer so that the wallet will actually be unloaded
    3053                 :           2 :         return nullptr;
    3054                 :             :     }
    3055                 :             : 
    3056                 :         842 :     {
    3057         [ +  - ]:         842 :         LOCK(walletInstance->cs_wallet);
    3058   [ +  -  +  - ]:         842 :         walletInstance->SetBroadcastTransactions(args.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
    3059   [ +  -  +  - ]:         842 :         walletInstance->WalletLogPrintf("setKeyPool.size() = %u\n",      walletInstance->GetKeyPoolSize());
    3060         [ +  - ]:         842 :         walletInstance->WalletLogPrintf("mapWallet.size() = %u\n",       walletInstance->mapWallet.size());
    3061         [ +  - ]:         842 :         walletInstance->WalletLogPrintf("m_address_book.size() = %u\n",  walletInstance->m_address_book.size());
    3062                 :           0 :     }
    3063                 :             : 
    3064                 :         842 :     return walletInstance;
    3065                 :         848 : }
    3066                 :             : 
    3067                 :         791 : bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interfaces::Chain& chain, const bool rescan_required, bilingual_str& error, std::vector<bilingual_str>& warnings)
    3068                 :             : {
    3069                 :         791 :     LOCK(walletInstance->cs_wallet);
    3070                 :             :     // allow setting the chain if it hasn't been set already but prevent changing it
    3071   [ +  -  -  + ]:         791 :     assert(!walletInstance->m_chain || walletInstance->m_chain == &chain);
    3072         [ +  - ]:         791 :     walletInstance->m_chain = &chain;
    3073                 :             : 
    3074                 :             :     // Unless allowed, ensure wallet files are not reused across chains:
    3075   [ +  -  +  -  :         791 :     if (!gArgs.GetBoolArg("-walletcrosschain", DEFAULT_WALLETCROSSCHAIN)) {
                   +  - ]
    3076         [ +  - ]:         791 :         WalletBatch batch(walletInstance->GetDatabase());
    3077                 :         791 :         CBlockLocator locator;
    3078   [ +  -  +  +  :         791 :         if (batch.ReadBestBlock(locator) && locator.vHave.size() > 0 && chain.getHeight()) {
          +  -  +  -  +  
                      + ]
    3079                 :             :             // Wallet is assumed to be from another chain, if genesis block in the active
    3080                 :             :             // chain differs from the genesis block known to the wallet.
    3081   [ +  -  +  + ]:         782 :             if (chain.getBlockHash(0) != locator.vHave.back()) {
    3082   [ +  -  +  - ]:           2 :                 error = Untranslated("Wallet files should not be reused across chains. Restart bitcoind with -walletcrosschain to override.");
    3083                 :           1 :                 return false;
    3084                 :             :             }
    3085                 :             :         }
    3086                 :        1582 :     }
    3087                 :             : 
    3088                 :             :     // Register wallet with validationinterface. It's done before rescan to avoid
    3089                 :             :     // missing block connections during the rescan.
    3090                 :             :     // Because of the wallet lock being held, block connection notifications are going to
    3091                 :             :     // be pending on the validation-side until lock release. Blocks that are connected while the
    3092                 :             :     // rescan is ongoing will not be processed in the rescan but with the block connected notifications,
    3093                 :             :     // so the wallet will only be completeley synced after the notifications delivery.
    3094   [ +  -  -  + ]:         790 :     walletInstance->m_chain_notifications_handler = walletInstance->chain().handleNotifications(walletInstance);
    3095                 :             : 
    3096                 :             :     // If rescan_required = true, rescan_height remains equal to 0
    3097                 :         790 :     int rescan_height = 0;
    3098         [ +  - ]:         790 :     if (!rescan_required)
    3099                 :             :     {
    3100         [ +  - ]:         790 :         WalletBatch batch(walletInstance->GetDatabase());
    3101                 :         790 :         CBlockLocator locator;
    3102   [ +  -  +  + ]:         790 :         if (batch.ReadBestBlock(locator)) {
    3103   [ +  -  +  + ]:         789 :             if (const std::optional<int> fork_height = chain.findLocatorFork(locator)) {
    3104                 :         781 :                 rescan_height = *fork_height;
    3105                 :             :             }
    3106                 :             :         }
    3107                 :        1580 :     }
    3108                 :             : 
    3109         [ +  - ]:         790 :     const std::optional<int> tip_height = chain.getHeight();
    3110         [ +  + ]:         790 :     if (tip_height) {
    3111   [ +  -  +  - ]:         782 :         walletInstance->SetLastBlockProcessedInMem(*tip_height, chain.getBlockHash(*tip_height));
    3112                 :             :     } else {
    3113         [ +  - ]:           8 :         walletInstance->SetLastBlockProcessedInMem(-1, uint256());
    3114                 :             :     }
    3115                 :             : 
    3116   [ +  +  +  + ]:         790 :     if (tip_height && *tip_height != rescan_height)
    3117                 :             :     {
    3118                 :             :         // No need to read and scan block if block was created before
    3119                 :             :         // our wallet birthday (as adjusted for block time variability)
    3120         [ +  - ]:          55 :         std::optional<int64_t> time_first_key = walletInstance->m_birth_time.load();
    3121         [ +  - ]:          55 :         if (time_first_key) {
    3122         [ +  - ]:          55 :             FoundBlock found = FoundBlock().height(rescan_height);
    3123         [ +  - ]:          55 :             chain.findFirstBlockWithTimeAndHeight(*time_first_key - TIMESTAMP_WINDOW, rescan_height, found);
    3124         [ -  + ]:          55 :             if (!found.found) {
    3125                 :             :                 // We were unable to find a block that had a time more recent than our earliest timestamp
    3126                 :             :                 // or a height higher than the wallet was synced to, indicating that the wallet is newer than the
    3127                 :             :                 // current chain tip. Skip rescanning in this case.
    3128                 :           0 :                 rescan_height = *tip_height;
    3129                 :             :             }
    3130                 :             :         }
    3131                 :             : 
    3132                 :             :         // Technically we could execute the code below in any case, but performing the
    3133                 :             :         // `while` loop below can make startup very slow, so only check blocks on disk
    3134                 :             :         // if necessary.
    3135   [ +  -  +  +  :          55 :         if (chain.havePruned() || chain.hasAssumedValidChain()) {
             +  -  +  + ]
    3136                 :           5 :             int block_height = *tip_height;
    3137   [ +  -  +  -  :         705 :             while (block_height > 0 && chain.haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
             +  +  +  + ]
    3138                 :         700 :                 --block_height;
    3139                 :             :             }
    3140                 :             : 
    3141         [ +  + ]:           5 :             if (rescan_height != block_height) {
    3142                 :             :                 // We can't rescan beyond blocks we don't have data for, stop and throw an error.
    3143                 :             :                 // This might happen if a user uses an old wallet within a pruned node
    3144                 :             :                 // or if they ran -disablewallet for a longer time, then decided to re-enable
    3145                 :             :                 // Exit early and print an error.
    3146                 :             :                 // It also may happen if an assumed-valid chain is in use and therefore not
    3147                 :             :                 // all block data is available.
    3148                 :             :                 // If a block is pruned after this check, we will load the wallet,
    3149                 :             :                 // but fail the rescan with a generic error.
    3150                 :             : 
    3151   [ +  -  -  +  :           1 :                 error = chain.havePruned() ?
                   +  - ]
    3152         [ #  # ]:           0 :                      _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)") :
    3153                 :             :                      strprintf(_(
    3154                 :             :                         "Error loading wallet. Wallet requires blocks to be downloaded, "
    3155                 :             :                         "and software does not currently support loading wallets while "
    3156                 :             :                         "blocks are being downloaded out of order when using assumeutxo "
    3157                 :             :                         "snapshots. Wallet should be able to load successfully after "
    3158                 :           1 :                         "node sync reaches height %s"), block_height);
    3159                 :           1 :                 return false;
    3160                 :             :             }
    3161                 :             :         }
    3162                 :             : 
    3163   [ +  -  +  - ]:          54 :         chain.initMessage(_("Rescanning…"));
    3164         [ +  - ]:          54 :         walletInstance->WalletLogPrintf("Rescanning last %i blocks (from block %i)...\n", *tip_height - rescan_height, rescan_height);
    3165                 :             : 
    3166                 :          54 :         {
    3167                 :          54 :             WalletRescanReserver reserver(*walletInstance);
    3168         [ -  + ]:          54 :             if (!reserver.reserve()) {
    3169         [ #  # ]:           0 :                 error = _("Failed to acquire rescan reserver during wallet initialization");
    3170                 :           0 :                 return false;
    3171                 :             :             }
    3172   [ +  -  +  - ]:          54 :             ScanResult scan_res = walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, /*max_height=*/{}, reserver, /*fUpdate=*/true, /*save_progress=*/true);
    3173         [ -  + ]:          54 :             if (ScanResult::SUCCESS != scan_res.status) {
    3174         [ #  # ]:           0 :                 error = _("Failed to rescan the wallet during initialization");
    3175                 :           0 :                 return false;
    3176                 :             :             }
    3177                 :             :             // Set and update the best block record
    3178                 :             :             // Set last block scanned as the last block processed as it may be different in case of a reorg.
    3179                 :             :             // Also save the best block locator because rescanning only updates it intermittently.
    3180         [ +  - ]:          54 :             walletInstance->SetLastBlockProcessed(*scan_res.last_scanned_height, scan_res.last_scanned_block);
    3181                 :          54 :         }
    3182                 :             :     }
    3183                 :             : 
    3184                 :             :     return true;
    3185                 :         791 : }
    3186                 :             : 
    3187                 :       49820 : const CAddressBookData* CWallet::FindAddressBookEntry(const CTxDestination& dest, bool allow_change) const
    3188                 :             : {
    3189                 :       49820 :     const auto& address_book_it = m_address_book.find(dest);
    3190         [ +  + ]:       49820 :     if (address_book_it == m_address_book.end()) return nullptr;
    3191   [ +  -  +  + ]:       36615 :     if ((!allow_change) && address_book_it->second.IsChange()) {
    3192                 :             :         return nullptr;
    3193                 :             :     }
    3194                 :       36612 :     return &address_book_it->second;
    3195                 :             : }
    3196                 :             : 
    3197                 :           0 : bool CWallet::UpgradeWallet(int version, bilingual_str& error)
    3198                 :             : {
    3199                 :           0 :     int prev_version = GetVersion();
    3200         [ #  # ]:           0 :     if (version == 0) {
    3201                 :           0 :         WalletLogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
    3202                 :           0 :         version = FEATURE_LATEST;
    3203                 :             :     } else {
    3204                 :           0 :         WalletLogPrintf("Allowing wallet upgrade up to %i\n", version);
    3205                 :             :     }
    3206         [ #  # ]:           0 :     if (version < prev_version) {
    3207                 :           0 :         error = strprintf(_("Cannot downgrade wallet from version %i to version %i. Wallet version unchanged."), prev_version, version);
    3208                 :           0 :         return false;
    3209                 :             :     }
    3210                 :             : 
    3211                 :           0 :     LOCK(cs_wallet);
    3212                 :             : 
    3213                 :             :     // Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT
    3214   [ #  #  #  #  :           0 :     if (!CanSupportFeature(FEATURE_HD_SPLIT) && version >= FEATURE_HD_SPLIT && version < FEATURE_PRE_SPLIT_KEYPOOL) {
             #  #  #  # ]
    3215         [ #  # ]:           0 :         error = strprintf(_("Cannot upgrade a non HD split wallet from version %i to version %i without upgrading to support pre-split keypool. Please use version %i or no version specified."), prev_version, version, FEATURE_PRE_SPLIT_KEYPOOL);
    3216                 :           0 :         return false;
    3217                 :             :     }
    3218                 :             : 
    3219                 :             :     // Permanently upgrade to the version
    3220   [ #  #  #  # ]:           0 :     SetMinVersion(GetClosestWalletFeature(version));
    3221                 :             : 
    3222   [ #  #  #  # ]:           0 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    3223   [ #  #  #  # ]:           0 :         if (!spk_man->Upgrade(prev_version, version, error)) {
    3224                 :           0 :             return false;
    3225                 :             :         }
    3226                 :           0 :     }
    3227                 :           0 :     return true;
    3228                 :           0 : }
    3229                 :             : 
    3230                 :         789 : void CWallet::postInitProcess()
    3231                 :             : {
    3232                 :             :     // Add wallet transactions that aren't already in a block to mempool
    3233                 :             :     // Do this here as mempool requires genesis block to be loaded
    3234                 :         789 :     ResubmitWalletTransactions(/*relay=*/false, /*force=*/true);
    3235                 :             : 
    3236                 :             :     // Update wallet transactions with current mempool transactions.
    3237         [ +  - ]:        2367 :     WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    3238                 :         789 : }
    3239                 :             : 
    3240                 :          72 : bool CWallet::BackupWallet(const std::string& strDest) const
    3241                 :             : {
    3242         [ +  - ]:         216 :     WITH_LOCK(cs_wallet, WriteBestBlock());
    3243                 :          72 :     return GetDatabase().Backup(strDest);
    3244                 :             : }
    3245                 :             : 
    3246                 :     1201545 : int CWallet::GetTxDepthInMainChain(const CWalletTx& wtx) const
    3247                 :             : {
    3248                 :     1201545 :     AssertLockHeld(cs_wallet);
    3249         [ +  + ]:     1201545 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    3250         [ -  + ]:     1118916 :         assert(conf->confirmed_block_height >= 0);
    3251                 :     1118916 :         return GetLastBlockHeight() - conf->confirmed_block_height + 1;
    3252         [ +  + ]:       82629 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    3253         [ -  + ]:        4205 :         assert(conf->conflicting_block_height >= 0);
    3254                 :        4205 :         return -1 * (GetLastBlockHeight() - conf->conflicting_block_height + 1);
    3255                 :             :     } else {
    3256                 :             :         return 0;
    3257                 :             :     }
    3258                 :             : }
    3259                 :             : 
    3260                 :      691244 : int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
    3261                 :             : {
    3262                 :      691244 :     AssertLockHeld(cs_wallet);
    3263                 :             : 
    3264         [ +  + ]:      691244 :     if (!wtx.IsCoinBase()) {
    3265                 :             :         return 0;
    3266                 :             :     }
    3267                 :      412895 :     int chain_depth = GetTxDepthInMainChain(wtx);
    3268         [ -  + ]:      412895 :     assert(chain_depth >= 0); // coinbase tx should not be conflicted
    3269         [ +  + ]:      412895 :     return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
    3270                 :             : }
    3271                 :             : 
    3272                 :      691244 : bool CWallet::IsTxImmatureCoinBase(const CWalletTx& wtx) const
    3273                 :             : {
    3274                 :      691244 :     AssertLockHeld(cs_wallet);
    3275                 :             : 
    3276                 :             :     // note GetBlocksToMaturity is 0 for non-coinbase tx
    3277                 :      691244 :     return GetTxBlocksToMaturity(wtx) > 0;
    3278                 :             : }
    3279                 :             : 
    3280                 :       11588 : bool CWallet::IsCrypted() const
    3281                 :             : {
    3282                 :       11588 :     return HasEncryptionKeys();
    3283                 :             : }
    3284                 :             : 
    3285                 :        7931 : bool CWallet::IsLocked() const
    3286                 :             : {
    3287         [ +  + ]:        7931 :     if (!IsCrypted()) {
    3288                 :             :         return false;
    3289                 :             :     }
    3290                 :        3720 :     LOCK(cs_wallet);
    3291         [ +  - ]:        3720 :     return vMasterKey.empty();
    3292                 :        3720 : }
    3293                 :             : 
    3294                 :          85 : bool CWallet::Lock()
    3295                 :             : {
    3296         [ +  - ]:          85 :     if (!IsCrypted())
    3297                 :             :         return false;
    3298                 :             : 
    3299                 :          85 :     {
    3300         [ +  - ]:          85 :         LOCK2(m_relock_mutex, cs_wallet);
    3301         [ +  + ]:          85 :         if (!vMasterKey.empty()) {
    3302         [ +  - ]:          57 :             memory_cleanse(vMasterKey.data(), vMasterKey.size() * sizeof(decltype(vMasterKey)::value_type));
    3303   [ +  -  +  - ]:         142 :             vMasterKey.clear();
    3304                 :             :         }
    3305         [ +  - ]:          85 :     }
    3306                 :             : 
    3307                 :          85 :     NotifyStatusChanged(this);
    3308                 :          85 :     return true;
    3309                 :             : }
    3310                 :             : 
    3311                 :          75 : bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn)
    3312                 :             : {
    3313                 :          75 :     {
    3314                 :          75 :         LOCK(cs_wallet);
    3315         [ +  + ]:         812 :         for (const auto& spk_man_pair : m_spk_managers) {
    3316   [ +  -  -  + ]:         737 :             if (!spk_man_pair.second->CheckDecryptionKey(vMasterKeyIn)) {
    3317         [ #  # ]:           0 :                 return false;
    3318                 :             :             }
    3319                 :             :         }
    3320         [ +  - ]:          75 :         vMasterKey = vMasterKeyIn;
    3321                 :           0 :     }
    3322                 :          75 :     NotifyStatusChanged(this);
    3323                 :          75 :     return true;
    3324                 :             : }
    3325                 :             : 
    3326                 :       32333 : std::set<ScriptPubKeyMan*> CWallet::GetActiveScriptPubKeyMans() const
    3327                 :             : {
    3328                 :       32333 :     std::set<ScriptPubKeyMan*> spk_mans;
    3329         [ +  + ]:       96999 :     for (bool internal : {false, true}) {
    3330         [ +  + ]:      323330 :         for (OutputType t : OUTPUT_TYPES) {
    3331         [ +  - ]:      258664 :             auto spk_man = GetScriptPubKeyMan(t, internal);
    3332         [ +  + ]:      258664 :             if (spk_man) {
    3333         [ +  - ]:      143175 :                 spk_mans.insert(spk_man);
    3334                 :             :             }
    3335                 :             :         }
    3336                 :             :     }
    3337                 :       32333 :     return spk_mans;
    3338                 :           0 : }
    3339                 :             : 
    3340                 :         225 : bool CWallet::IsActiveScriptPubKeyMan(const ScriptPubKeyMan& spkm) const
    3341                 :             : {
    3342   [ +  +  +  + ]:         841 :     for (const auto& [_, ext_spkm] : m_external_spk_managers) {
    3343         [ +  + ]:         721 :         if (ext_spkm == &spkm) return true;
    3344                 :             :     }
    3345   [ +  +  +  + ]:         342 :     for (const auto& [_, int_spkm] : m_internal_spk_managers) {
    3346         [ +  + ]:         321 :         if (int_spkm == &spkm) return true;
    3347                 :             :     }
    3348                 :             :     return false;
    3349                 :             : }
    3350                 :             : 
    3351                 :        4690 : std::set<ScriptPubKeyMan*> CWallet::GetAllScriptPubKeyMans() const
    3352                 :             : {
    3353                 :        4690 :     std::set<ScriptPubKeyMan*> spk_mans;
    3354         [ +  + ]:       42050 :     for (const auto& spk_man_pair : m_spk_managers) {
    3355         [ +  - ]:       37360 :         spk_mans.insert(spk_man_pair.second.get());
    3356                 :             :     }
    3357                 :        4690 :     return spk_mans;
    3358                 :           0 : }
    3359                 :             : 
    3360                 :      313710 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool internal) const
    3361                 :             : {
    3362         [ +  + ]:      313710 :     const std::map<OutputType, ScriptPubKeyMan*>& spk_managers = internal ? m_internal_spk_managers : m_external_spk_managers;
    3363                 :      313710 :     std::map<OutputType, ScriptPubKeyMan*>::const_iterator it = spk_managers.find(type);
    3364         [ +  + ]:      313710 :     if (it == spk_managers.end()) {
    3365                 :             :         return nullptr;
    3366                 :             :     }
    3367                 :      192573 :     return it->second;
    3368                 :             : }
    3369                 :             : 
    3370                 :      171187 : std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script) const
    3371                 :             : {
    3372         [ +  - ]:      171187 :     std::set<ScriptPubKeyMan*> spk_mans;
    3373                 :             : 
    3374                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3375         [ +  - ]:      171187 :     const auto& it = m_cached_spks.find(script);
    3376         [ +  + ]:      171187 :     if (it != m_cached_spks.end()) {
    3377         [ +  - ]:      110397 :         spk_mans.insert(it->second.begin(), it->second.end());
    3378                 :             :     }
    3379                 :      171187 :     SignatureData sigdata;
    3380         [ +  - ]:      281584 :     Assume(std::all_of(spk_mans.begin(), spk_mans.end(), [&script, &sigdata](ScriptPubKeyMan* spkm) { return spkm->CanProvide(script, sigdata); }));
    3381                 :             : 
    3382                 :      171187 :     return spk_mans;
    3383                 :      171187 : }
    3384                 :             : 
    3385                 :        7339 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
    3386                 :             : {
    3387         [ +  + ]:        7339 :     if (m_spk_managers.count(id) > 0) {
    3388                 :        7329 :         return m_spk_managers.at(id).get();
    3389                 :             :     }
    3390                 :             :     return nullptr;
    3391                 :             : }
    3392                 :             : 
    3393                 :      365502 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script) const
    3394                 :             : {
    3395                 :      365502 :     SignatureData sigdata;
    3396         [ +  - ]:      731004 :     return GetSolvingProvider(script, sigdata);
    3397                 :      365502 : }
    3398                 :             : 
    3399                 :      365502 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script, SignatureData& sigdata) const
    3400                 :             : {
    3401                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3402                 :      365502 :     const auto& it = m_cached_spks.find(script);
    3403         [ +  + ]:      365502 :     if (it != m_cached_spks.end()) {
    3404                 :             :         // All spkms for a given script must already be able to make a SigningProvider for the script, so just return the first one.
    3405                 :      255257 :         Assume(it->second.at(0)->CanProvide(script, sigdata));
    3406                 :      255257 :         return it->second.at(0)->GetSolvingProvider(script);
    3407                 :             :     }
    3408                 :             : 
    3409                 :      110245 :     return nullptr;
    3410                 :             : }
    3411                 :             : 
    3412                 :       35566 : std::vector<WalletDescriptor> CWallet::GetWalletDescriptors(const CScript& script) const
    3413                 :             : {
    3414                 :       35566 :     std::vector<WalletDescriptor> descs;
    3415   [ +  -  +  + ]:       71132 :     for (const auto spk_man: GetScriptPubKeyMans(script)) {
    3416   [ +  -  +  - ]:       71132 :         if (const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man)) {
    3417         [ +  - ]:       35566 :             LOCK(desc_spk_man->cs_desc_man);
    3418   [ +  -  +  - ]:       71132 :             descs.push_back(desc_spk_man->GetWalletDescriptor());
    3419                 :       35566 :         }
    3420                 :           0 :     }
    3421                 :       35566 :     return descs;
    3422                 :           0 : }
    3423                 :             : 
    3424                 :         684 : LegacyDataSPKM* CWallet::GetLegacyDataSPKM() const
    3425                 :             : {
    3426         [ +  - ]:         684 :     if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3427                 :             :         return nullptr;
    3428                 :             :     }
    3429                 :         684 :     auto it = m_internal_spk_managers.find(OutputType::LEGACY);
    3430         [ +  - ]:         684 :     if (it == m_internal_spk_managers.end()) return nullptr;
    3431         [ +  - ]:         684 :     return dynamic_cast<LegacyDataSPKM*>(it->second);
    3432                 :             : }
    3433                 :             : 
    3434                 :        6251 : void CWallet::AddScriptPubKeyMan(const uint256& id, std::unique_ptr<ScriptPubKeyMan> spkm_man)
    3435                 :             : {
    3436                 :             :     // Add spkm_man to m_spk_managers before calling any method
    3437                 :             :     // that might access it.
    3438                 :        6251 :     const auto& spkm = m_spk_managers[id] = std::move(spkm_man);
    3439                 :             : 
    3440                 :             :     // Update birth time if needed
    3441                 :        6251 :     MaybeUpdateBirthTime(spkm->GetTimeFirstKey());
    3442                 :        6251 : }
    3443                 :             : 
    3444                 :         597 : LegacyDataSPKM* CWallet::GetOrCreateLegacyDataSPKM()
    3445                 :             : {
    3446                 :         597 :     SetupLegacyScriptPubKeyMan();
    3447                 :         597 :     return GetLegacyDataSPKM();
    3448                 :             : }
    3449                 :             : 
    3450                 :         597 : void CWallet::SetupLegacyScriptPubKeyMan()
    3451                 :             : {
    3452   [ +  +  +  -  :         597 :     if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty() || IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
             +  -  -  + ]
    3453                 :         564 :         return;
    3454                 :             :     }
    3455                 :             : 
    3456   [ +  -  -  +  :          33 :     Assert(m_database->Format() == "bdb_ro" || m_database->Format() == "mock");
          -  -  -  -  +  
          -  -  +  -  -  
                   -  - ]
    3457                 :          33 :     std::unique_ptr<ScriptPubKeyMan> spk_manager = std::make_unique<LegacyDataSPKM>(*this);
    3458                 :             : 
    3459   [ +  +  +  - ]:         132 :     for (const auto& type : LEGACY_OUTPUT_TYPES) {
    3460         [ +  - ]:          99 :         m_internal_spk_managers[type] = spk_manager.get();
    3461         [ +  - ]:          99 :         m_external_spk_managers[type] = spk_manager.get();
    3462                 :             :     }
    3463         [ +  - ]:          33 :     uint256 id = spk_manager->GetID();
    3464         [ +  - ]:          33 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3465                 :          33 : }
    3466                 :             : 
    3467                 :        2465 : bool CWallet::WithEncryptionKey(std::function<bool (const CKeyingMaterial&)> cb) const
    3468                 :             : {
    3469                 :        2465 :     LOCK(cs_wallet);
    3470   [ +  -  +  - ]:        2465 :     return cb(vMasterKey);
    3471                 :        2465 : }
    3472                 :             : 
    3473                 :      105940 : bool CWallet::HasEncryptionKeys() const
    3474                 :             : {
    3475                 :      105940 :     return !mapMasterKeys.empty();
    3476                 :             : }
    3477                 :             : 
    3478                 :           1 : bool CWallet::HaveCryptedKeys() const
    3479                 :             : {
    3480         [ -  + ]:           1 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
    3481   [ #  #  #  # ]:           0 :         if (spkm->HaveCryptedKeys()) return true;
    3482                 :           0 :     }
    3483                 :           1 :     return false;
    3484                 :             : }
    3485                 :             : 
    3486                 :        1350 : void CWallet::ConnectScriptPubKeyManNotifiers()
    3487                 :             : {
    3488         [ +  + ]:        7726 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    3489   [ +  -  +  - ]:       12752 :         spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
    3490   [ +  -  +  - ]:       19128 :         spk_man->NotifyFirstKeyTimeChanged.connect(std::bind(&CWallet::MaybeUpdateBirthTime, this, std::placeholders::_2));
    3491                 :        1350 :     }
    3492                 :        1350 : }
    3493                 :             : 
    3494                 :        2400 : DescriptorScriptPubKeyMan& CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc)
    3495                 :             : {
    3496                 :        2400 :     DescriptorScriptPubKeyMan* spk_manager;
    3497         [ +  + ]:        2400 :     if (IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3498         [ +  - ]:           8 :         spk_manager = new ExternalSignerScriptPubKeyMan(*this, desc, m_keypool_size);
    3499                 :             :     } else {
    3500         [ +  - ]:        2392 :         spk_manager = new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size);
    3501                 :             :     }
    3502         [ +  - ]:        2400 :     AddScriptPubKeyMan(id, std::unique_ptr<ScriptPubKeyMan>(spk_manager));
    3503                 :        2400 :     return *spk_manager;
    3504                 :             : }
    3505                 :             : 
    3506                 :        3018 : DescriptorScriptPubKeyMan& CWallet::SetupDescriptorScriptPubKeyMan(WalletBatch& batch, const CExtKey& master_key, const OutputType& output_type, bool internal)
    3507                 :             : {
    3508                 :        3018 :     AssertLockHeld(cs_wallet);
    3509   [ +  -  +  - ]:        3018 :     auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, m_keypool_size));
    3510   [ +  -  +  + ]:        3018 :     if (IsCrypted()) {
    3511   [ +  -  -  + ]:         138 :         if (IsLocked()) {
    3512   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
    3513                 :             :         }
    3514   [ +  -  -  +  :         138 :         if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, &batch)) {
             -  -  -  - ]
    3515   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
    3516                 :             :         }
    3517                 :             :     }
    3518         [ +  - ]:        3018 :     spk_manager->SetupDescriptorGeneration(batch, master_key, output_type, internal);
    3519         [ +  - ]:        3018 :     DescriptorScriptPubKeyMan* out = spk_manager.get();
    3520         [ +  - ]:        3018 :     uint256 id = spk_manager->GetID();
    3521         [ +  - ]:        3018 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3522         [ +  - ]:        3018 :     AddActiveScriptPubKeyManWithDb(batch, id, output_type, internal);
    3523                 :        3018 :     return *out;
    3524                 :        3018 : }
    3525                 :             : 
    3526                 :         376 : void CWallet::SetupDescriptorScriptPubKeyMans(WalletBatch& batch, const CExtKey& master_key)
    3527                 :             : {
    3528                 :         376 :     AssertLockHeld(cs_wallet);
    3529         [ +  + ]:        1128 :     for (bool internal : {false, true}) {
    3530         [ +  + ]:        3760 :         for (OutputType t : OUTPUT_TYPES) {
    3531                 :        3008 :             SetupDescriptorScriptPubKeyMan(batch, master_key, t, internal);
    3532                 :             :         }
    3533                 :             :     }
    3534                 :         376 : }
    3535                 :             : 
    3536                 :         352 : void CWallet::SetupOwnDescriptorScriptPubKeyMans(WalletBatch& batch)
    3537                 :             : {
    3538                 :         352 :     AssertLockHeld(cs_wallet);
    3539         [ -  + ]:         352 :     assert(!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER));
    3540                 :             :     // Make a seed
    3541                 :         352 :     CKey seed_key = GenerateRandomKey();
    3542         [ +  - ]:         352 :     CPubKey seed = seed_key.GetPubKey();
    3543   [ +  -  -  + ]:         352 :     assert(seed_key.VerifyPubKey(seed));
    3544                 :             : 
    3545                 :             :     // Get the extended key
    3546         [ +  - ]:         352 :     CExtKey master_key;
    3547   [ +  -  +  - ]:         704 :     master_key.SetSeed(seed_key);
    3548                 :             : 
    3549         [ +  - ]:         352 :     SetupDescriptorScriptPubKeyMans(batch, master_key);
    3550                 :         352 : }
    3551                 :             : 
    3552                 :         356 : void CWallet::SetupDescriptorScriptPubKeyMans()
    3553                 :             : {
    3554                 :         356 :     AssertLockHeld(cs_wallet);
    3555                 :             : 
    3556         [ +  + ]:         356 :     if (!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3557   [ +  -  -  + ]:         351 :         if (!RunWithinTxn(GetDatabase(), /*process_desc=*/"setup descriptors", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet){
    3558                 :         351 :             SetupOwnDescriptorScriptPubKeyMans(batch);
    3559                 :         351 :             return true;
    3560         [ #  # ]:           0 :         })) throw std::runtime_error("Error: cannot process db transaction for descriptors setup");
    3561                 :             :     } else {
    3562                 :           5 :         auto signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
    3563   [ +  +  +  -  :           5 :         if (!signer) throw std::runtime_error(util::ErrorString(signer).original);
                   +  - ]
    3564                 :             : 
    3565                 :             :         // TODO: add account parameter
    3566                 :           3 :         int account = 0;
    3567         [ +  - ]:           3 :         UniValue signer_res = signer->GetDescriptors(account);
    3568                 :             : 
    3569   [ -  +  -  -  :           3 :         if (!signer_res.isObject()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
                   -  - ]
    3570                 :             : 
    3571         [ +  - ]:           3 :         WalletBatch batch(GetDatabase());
    3572   [ +  -  -  +  :           3 :         if (!batch.TxnBegin()) throw std::runtime_error("Error: cannot create db transaction for descriptors import");
                   -  - ]
    3573                 :             : 
    3574         [ +  + ]:           7 :         for (bool internal : {false, true}) {
    3575   [ +  +  +  - ]:           8 :             const UniValue& descriptor_vals = signer_res.find_value(internal ? "internal" : "receive");
    3576   [ -  +  -  -  :           5 :             if (!descriptor_vals.isArray()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
                   -  - ]
    3577   [ +  -  +  -  :          21 :             for (const UniValue& desc_val : descriptor_vals.get_array().getValues()) {
                   +  + ]
    3578                 :          17 :                 const std::string& desc_str = desc_val.getValStr();
    3579                 :          17 :                 FlatSigningProvider keys;
    3580         [ +  - ]:          17 :                 std::string desc_error;
    3581         [ +  - ]:          17 :                 auto descs = Parse(desc_str, keys, desc_error, false);
    3582         [ +  + ]:          17 :                 if (descs.empty()) {
    3583   [ +  -  +  -  :           5 :                     throw std::runtime_error(std::string(__func__) + ": Invalid descriptor \"" + desc_str + "\" (" + desc_error + ")");
             +  -  +  - ]
    3584                 :             :                 }
    3585         [ +  - ]:          16 :                 auto& desc = descs.at(0);
    3586   [ +  -  -  + ]:          16 :                 if (!desc->GetOutputType()) {
    3587                 :           0 :                     continue;
    3588                 :             :                 }
    3589         [ +  - ]:          16 :                 OutputType t =  *desc->GetOutputType();
    3590   [ +  -  +  -  :          16 :                 auto spk_manager = std::unique_ptr<ExternalSignerScriptPubKeyMan>(new ExternalSignerScriptPubKeyMan(*this, m_keypool_size));
                   +  - ]
    3591         [ +  - ]:          16 :                 spk_manager->SetupDescriptor(batch, std::move(desc));
    3592         [ +  - ]:          16 :                 uint256 id = spk_manager->GetID();
    3593         [ +  - ]:          16 :                 AddScriptPubKeyMan(id, std::move(spk_manager));
    3594         [ +  - ]:          16 :                 AddActiveScriptPubKeyManWithDb(batch, id, t, internal);
    3595                 :          18 :             }
    3596                 :             :         }
    3597                 :             : 
    3598                 :             :         // Ensure imported descriptors are committed to disk
    3599   [ +  -  -  +  :           2 :         if (!batch.TxnCommit()) throw std::runtime_error("Error: cannot commit db transaction for descriptors import");
                   -  - ]
    3600                 :           3 :     }
    3601                 :         353 : }
    3602                 :             : 
    3603                 :         237 : void CWallet::AddActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3604                 :             : {
    3605                 :         237 :     WalletBatch batch(GetDatabase());
    3606         [ +  - ]:         237 :     return AddActiveScriptPubKeyManWithDb(batch, id, type, internal);
    3607                 :         237 : }
    3608                 :             : 
    3609                 :        3271 : void CWallet::AddActiveScriptPubKeyManWithDb(WalletBatch& batch, uint256 id, OutputType type, bool internal)
    3610                 :             : {
    3611         [ -  + ]:        3271 :     if (!batch.WriteActiveScriptPubKeyMan(static_cast<uint8_t>(type), id, internal)) {
    3612   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing active ScriptPubKeyMan id failed");
    3613                 :             :     }
    3614                 :        3271 :     LoadActiveScriptPubKeyMan(id, type, internal);
    3615                 :        3271 : }
    3616                 :             : 
    3617                 :        5273 : void CWallet::LoadActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3618                 :             : {
    3619                 :             :     // Activating ScriptPubKeyManager for a given output and change type is incompatible with legacy wallets.
    3620                 :             :     // Legacy wallets have only one ScriptPubKeyManager and it's active for all output and change types.
    3621                 :        5273 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    3622                 :             : 
    3623   [ +  +  +  - ]:        7941 :     WalletLogPrintf("Setting spkMan to active: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
    3624         [ +  + ]:        5273 :     auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3625                 :        5273 :     auto& spk_mans_other = internal ? m_external_spk_managers : m_internal_spk_managers;
    3626                 :        5273 :     auto spk_man = m_spk_managers.at(id).get();
    3627                 :        5273 :     spk_mans[type] = spk_man;
    3628                 :             : 
    3629                 :        5273 :     const auto it = spk_mans_other.find(type);
    3630   [ +  +  +  + ]:        5273 :     if (it != spk_mans_other.end() && it->second == spk_man) {
    3631                 :           2 :         spk_mans_other.erase(type);
    3632                 :             :     }
    3633                 :             : 
    3634                 :        5273 :     NotifyCanGetAddressesChanged();
    3635                 :        5273 : }
    3636                 :             : 
    3637                 :         212 : void CWallet::DeactivateScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3638                 :             : {
    3639                 :         212 :     auto spk_man = GetScriptPubKeyMan(type, internal);
    3640   [ +  +  +  + ]:         212 :     if (spk_man != nullptr && spk_man->GetID() == id) {
    3641   [ -  +  +  - ]:           1 :         WalletLogPrintf("Deactivate spkMan: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
    3642                 :           1 :         WalletBatch batch(GetDatabase());
    3643   [ +  -  -  + ]:           1 :         if (!batch.EraseActiveScriptPubKeyMan(static_cast<uint8_t>(type), internal)) {
    3644   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": erasing active ScriptPubKeyMan id failed");
    3645                 :             :         }
    3646                 :             : 
    3647         [ +  - ]:           1 :         auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3648                 :           1 :         spk_mans.erase(type);
    3649                 :           1 :     }
    3650                 :             : 
    3651                 :         212 :     NotifyCanGetAddressesChanged();
    3652                 :         212 : }
    3653                 :             : 
    3654                 :         697 : DescriptorScriptPubKeyMan* CWallet::GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const
    3655                 :             : {
    3656                 :         697 :     auto spk_man_pair = m_spk_managers.find(desc.id);
    3657                 :             : 
    3658         [ +  + ]:         697 :     if (spk_man_pair != m_spk_managers.end()) {
    3659                 :             :         // Try to downcast to DescriptorScriptPubKeyMan then check if the descriptors match
    3660         [ +  - ]:          20 :         DescriptorScriptPubKeyMan* spk_manager = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man_pair->second.get());
    3661   [ +  -  +  - ]:          20 :         if (spk_manager != nullptr && spk_manager->HasWalletDescriptor(desc)) {
    3662                 :          20 :             return spk_manager;
    3663                 :             :         }
    3664                 :             :     }
    3665                 :             : 
    3666                 :             :     return nullptr;
    3667                 :             : }
    3668                 :             : 
    3669                 :       28697 : std::optional<bool> CWallet::IsInternalScriptPubKeyMan(ScriptPubKeyMan* spk_man) const
    3670                 :             : {
    3671                 :             :     // only active ScriptPubKeyMan can be internal
    3672         [ +  + ]:       28697 :     if (!GetActiveScriptPubKeyMans().count(spk_man)) {
    3673                 :        9842 :         return std::nullopt;
    3674                 :             :     }
    3675                 :             : 
    3676         [ +  - ]:       18855 :     const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man);
    3677         [ -  + ]:       18855 :     if (!desc_spk_man) {
    3678   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": unexpected ScriptPubKeyMan type.");
    3679                 :             :     }
    3680                 :             : 
    3681                 :       18855 :     LOCK(desc_spk_man->cs_desc_man);
    3682   [ +  -  +  - ]:       18855 :     const auto& type = desc_spk_man->GetWalletDescriptor().descriptor->GetOutputType();
    3683         [ -  + ]:       18855 :     assert(type.has_value());
    3684                 :             : 
    3685   [ +  -  +  - ]:       18855 :     return GetScriptPubKeyMan(*type, /* internal= */ true) == desc_spk_man;
    3686                 :       18855 : }
    3687                 :             : 
    3688                 :         697 : util::Result<std::reference_wrapper<DescriptorScriptPubKeyMan>> CWallet::AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label, bool internal)
    3689                 :             : {
    3690                 :         697 :     AssertLockHeld(cs_wallet);
    3691                 :             : 
    3692         [ -  + ]:         697 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3693                 :           0 :         return util::Error{_("Cannot add WalletDescriptor to a non-descriptor wallet")};
    3694                 :             :     }
    3695                 :             : 
    3696                 :         697 :     auto spk_man = GetDescriptorScriptPubKeyMan(desc);
    3697         [ +  + ]:         697 :     if (spk_man) {
    3698         [ +  - ]:          20 :         WalletLogPrintf("Update existing descriptor: %s\n", desc.descriptor->ToString());
    3699         [ +  + ]:          20 :         if (auto spkm_res = spk_man->UpdateWalletDescriptor(desc); !spkm_res) {
    3700         [ +  - ]:           9 :             return util::Error{util::ErrorString(spkm_res)};
    3701                 :          20 :         }
    3702                 :             :     } else {
    3703   [ +  -  +  - ]:         677 :         auto new_spk_man = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size));
    3704         [ +  - ]:         677 :         spk_man = new_spk_man.get();
    3705                 :             : 
    3706                 :             :         // Save the descriptor to memory
    3707         [ +  - ]:         677 :         uint256 id = new_spk_man->GetID();
    3708         [ +  - ]:         677 :         AddScriptPubKeyMan(id, std::move(new_spk_man));
    3709                 :         677 :     }
    3710                 :             : 
    3711                 :             :     // Add the private keys to the descriptor
    3712         [ +  + ]:        1202 :     for (const auto& entry : signing_provider.keys) {
    3713                 :         508 :         const CKey& key = entry.second;
    3714                 :         508 :         spk_man->AddDescriptorKey(key, key.GetPubKey());
    3715                 :             :     }
    3716                 :             : 
    3717                 :             :     // Top up key pool, the manager will generate new scriptPubKeys internally
    3718         [ -  + ]:         694 :     if (!spk_man->TopUp()) {
    3719                 :           0 :         return util::Error{_("Could not top up scriptPubKeys")};
    3720                 :             :     }
    3721                 :             : 
    3722                 :             :     // Apply the label if necessary
    3723                 :             :     // Note: we disable labels for ranged descriptors
    3724         [ +  + ]:         694 :     if (!desc.descriptor->IsRange()) {
    3725                 :         319 :         auto script_pub_keys = spk_man->GetScriptPubKeys();
    3726         [ -  + ]:         319 :         if (script_pub_keys.empty()) {
    3727         [ #  # ]:           0 :             return util::Error{_("Could not generate scriptPubKeys (cache is empty)")};
    3728                 :             :         }
    3729                 :             : 
    3730         [ +  + ]:         319 :         if (!internal) {
    3731   [ +  +  +  - ]:        1177 :             for (const auto& script : script_pub_keys) {
    3732                 :         858 :                 CTxDestination dest;
    3733   [ +  +  +  - ]:         858 :                 if (ExtractDestination(script, dest)) {
    3734         [ +  - ]:         668 :                     SetAddressBook(dest, label, AddressPurpose::RECEIVE);
    3735                 :             :                 }
    3736                 :         858 :             }
    3737                 :             :         }
    3738                 :         319 :     }
    3739                 :             : 
    3740                 :             :     // Save the descriptor to DB
    3741                 :         694 :     spk_man->WriteDescriptor();
    3742                 :             : 
    3743                 :             :     // Break balance caches so that outputs that are now IsMine in already known txs will be included in the balance
    3744                 :         694 :     MarkDirty();
    3745                 :             : 
    3746                 :         694 :     return std::reference_wrapper(*spk_man);
    3747                 :             : }
    3748                 :             : 
    3749                 :          33 : bool CWallet::MigrateToSQLite(bilingual_str& error)
    3750                 :             : {
    3751                 :          33 :     AssertLockHeld(cs_wallet);
    3752                 :             : 
    3753                 :          33 :     WalletLogPrintf("Migrating wallet storage database from BerkeleyDB to SQLite.\n");
    3754                 :             : 
    3755         [ -  + ]:          33 :     if (m_database->Format() == "sqlite") {
    3756                 :           0 :         error = _("Error: This wallet already uses SQLite");
    3757                 :           0 :         return false;
    3758                 :             :     }
    3759                 :             : 
    3760                 :             :     // Get all of the records for DB type migration
    3761                 :          33 :     std::unique_ptr<DatabaseBatch> batch = m_database->MakeBatch();
    3762         [ +  - ]:          33 :     std::unique_ptr<DatabaseCursor> cursor = batch->GetNewCursor();
    3763                 :          33 :     std::vector<std::pair<SerializeData, SerializeData>> records;
    3764         [ -  + ]:          33 :     if (!cursor) {
    3765         [ #  # ]:           0 :         error = _("Error: Unable to begin reading all records in the database");
    3766                 :           0 :         return false;
    3767                 :             :     }
    3768                 :        1066 :     DatabaseCursor::Status status = DatabaseCursor::Status::FAIL;
    3769                 :        2099 :     while (true) {
    3770                 :        1066 :         DataStream ss_key{};
    3771                 :        1066 :         DataStream ss_value{};
    3772         [ +  - ]:        1066 :         status = cursor->Next(ss_key, ss_value);
    3773         [ +  + ]:        1066 :         if (status != DatabaseCursor::Status::MORE) {
    3774                 :             :             break;
    3775                 :             :         }
    3776         [ +  - ]:        1033 :         SerializeData key(ss_key.begin(), ss_key.end());
    3777         [ +  - ]:        1033 :         SerializeData value(ss_value.begin(), ss_value.end());
    3778         [ +  - ]:        1033 :         records.emplace_back(key, value);
    3779                 :        1066 :     }
    3780         [ +  - ]:          33 :     cursor.reset();
    3781         [ +  - ]:          33 :     batch.reset();
    3782         [ -  + ]:          33 :     if (status != DatabaseCursor::Status::DONE) {
    3783         [ #  # ]:           0 :         error = _("Error: Unable to read all records in the database");
    3784                 :           0 :         return false;
    3785                 :             :     }
    3786                 :             : 
    3787                 :             :     // Close this database and delete the file
    3788   [ +  -  +  - ]:          33 :     fs::path db_path = fs::PathFromString(m_database->Filename());
    3789         [ +  - ]:          33 :     m_database->Close();
    3790         [ +  - ]:          33 :     fs::remove(db_path);
    3791                 :             : 
    3792                 :             :     // Generate the path for the location of the migrated wallet
    3793                 :             :     // Wallets that are plain files rather than wallet directories will be migrated to be wallet directories.
    3794   [ +  -  +  -  :          66 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(m_name));
                   +  - ]
    3795                 :             : 
    3796                 :             :     // Make new DB
    3797         [ +  - ]:          33 :     DatabaseOptions opts;
    3798                 :          33 :     opts.require_create = true;
    3799         [ +  - ]:          33 :     opts.require_format = DatabaseFormat::SQLITE;
    3800                 :          33 :     DatabaseStatus db_status;
    3801         [ +  - ]:          33 :     std::unique_ptr<WalletDatabase> new_db = MakeDatabase(wallet_path, opts, db_status, error);
    3802         [ -  + ]:          33 :     assert(new_db); // This is to prevent doing anything further with this wallet. The original file was deleted, but a backup exists.
    3803         [ +  - ]:          33 :     m_database.reset();
    3804                 :          33 :     m_database = std::move(new_db);
    3805                 :             : 
    3806                 :             :     // Write existing records into the new DB
    3807         [ +  - ]:          66 :     batch = m_database->MakeBatch();
    3808         [ +  - ]:          33 :     bool began = batch->TxnBegin();
    3809         [ -  + ]:          33 :     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.
    3810   [ +  -  +  + ]:        1066 :     for (const auto& [key, value] : records) {
    3811   [ +  -  -  + ]:        1033 :         if (!batch->Write(std::span{key}, std::span{value})) {
    3812         [ #  # ]:           0 :             batch->TxnAbort();
    3813         [ #  # ]:           0 :             m_database->Close();
    3814   [ #  #  #  #  :           0 :             fs::remove(m_database->Filename());
                   #  # ]
    3815                 :           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.
    3816                 :             :         }
    3817                 :             :     }
    3818         [ +  - ]:          33 :     bool committed = batch->TxnCommit();
    3819         [ -  + ]:          33 :     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.
    3820                 :          33 :     return true;
    3821                 :          99 : }
    3822                 :             : 
    3823                 :          30 : std::optional<MigrationData> CWallet::GetDescriptorsForLegacy(bilingual_str& error) const
    3824                 :             : {
    3825                 :          30 :     AssertLockHeld(cs_wallet);
    3826                 :             : 
    3827                 :          30 :     LegacyDataSPKM* legacy_spkm = GetLegacyDataSPKM();
    3828         [ -  + ]:          30 :     if (!Assume(legacy_spkm)) {
    3829                 :             :         // This shouldn't happen
    3830         [ #  # ]:           0 :         error = Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"));
    3831                 :           0 :         return std::nullopt;
    3832                 :             :     }
    3833                 :             : 
    3834                 :          30 :     std::optional<MigrationData> res = legacy_spkm->MigrateToDescriptor();
    3835         [ -  + ]:          30 :     if (res == std::nullopt) {
    3836         [ #  # ]:           0 :         error = _("Error: Unable to produce descriptors for this legacy wallet. Make sure to provide the wallet's passphrase if it is encrypted.");
    3837                 :           0 :         return std::nullopt;
    3838                 :             :     }
    3839                 :          30 :     return res;
    3840                 :          30 : }
    3841                 :             : 
    3842                 :          29 : util::Result<void> CWallet::ApplyMigrationData(WalletBatch& local_wallet_batch, MigrationData& data)
    3843                 :             : {
    3844                 :          29 :     AssertLockHeld(cs_wallet);
    3845                 :             : 
    3846                 :          29 :     LegacyDataSPKM* legacy_spkm = GetLegacyDataSPKM();
    3847         [ -  + ]:          29 :     if (!Assume(legacy_spkm)) {
    3848                 :             :         // This shouldn't happen
    3849         [ #  # ]:           0 :         return util::Error{Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"))};
    3850                 :             :     }
    3851                 :             : 
    3852                 :             :     // Note: when the legacy wallet has no spendable scripts, it must be empty at the end of the process.
    3853   [ +  +  -  + ]:          29 :     bool has_spendable_material = !data.desc_spkms.empty() || data.master_key.key.IsValid();
    3854                 :             : 
    3855                 :             :     // Get all invalid or non-watched scripts that will not be migrated
    3856         [ +  - ]:          29 :     std::set<CTxDestination> not_migrated_dests;
    3857   [ +  -  +  +  :          33 :     for (const auto& script : legacy_spkm->GetNotMineScriptPubKeys()) {
                   +  - ]
    3858                 :           4 :         CTxDestination dest;
    3859   [ +  -  +  -  :           4 :         if (ExtractDestination(script, dest)) not_migrated_dests.emplace(dest);
                   +  - ]
    3860                 :           4 :     }
    3861                 :             : 
    3862                 :             :     // When the legacy wallet has no spendable scripts, the main wallet will be empty, leaving its script cache empty as well.
    3863                 :             :     // The watch-only and/or solvable wallet(s) will contain the scripts in their respective caches.
    3864                 :          29 :     if (!data.desc_spkms.empty()) Assume(!m_cached_spks.empty());
    3865                 :          29 :     if (!data.watch_descs.empty()) Assume(!data.watchonly_wallet->m_cached_spks.empty());
    3866                 :          29 :     if (!data.solvable_descs.empty()) Assume(!data.solvable_wallet->m_cached_spks.empty());
    3867                 :             : 
    3868         [ +  + ]:         136 :     for (auto& desc_spkm : data.desc_spkms) {
    3869   [ +  -  -  + ]:         107 :         if (m_spk_managers.count(desc_spkm->GetID()) > 0) {
    3870         [ #  # ]:           0 :             return util::Error{_("Error: Duplicate descriptors created during migration. Your wallet may be corrupted.")};
    3871                 :             :         }
    3872         [ +  - ]:         107 :         uint256 id = desc_spkm->GetID();
    3873         [ +  - ]:         107 :         AddScriptPubKeyMan(id, std::move(desc_spkm));
    3874                 :             :     }
    3875                 :             : 
    3876                 :             :     // Remove the LegacyScriptPubKeyMan from disk
    3877   [ +  -  -  + ]:          29 :     if (!legacy_spkm->DeleteRecordsWithDB(local_wallet_batch)) {
    3878         [ #  # ]:           0 :         return util::Error{_("Error: cannot remove legacy wallet records")};
    3879                 :             :     }
    3880                 :             : 
    3881                 :             :     // Remove the LegacyScriptPubKeyMan from memory
    3882         [ +  - ]:          29 :     m_spk_managers.erase(legacy_spkm->GetID());
    3883                 :          29 :     m_external_spk_managers.clear();
    3884                 :          29 :     m_internal_spk_managers.clear();
    3885                 :             : 
    3886                 :             :     // Setup new descriptors (only if we are migrating any key material)
    3887         [ +  - ]:          29 :     SetWalletFlagWithDB(local_wallet_batch, WALLET_FLAG_DESCRIPTORS);
    3888   [ +  +  +  -  :          29 :     if (has_spendable_material && !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
                   +  + ]
    3889                 :             :         // Use the existing master key if we have it
    3890         [ +  + ]:          25 :         if (data.master_key.key.IsValid()) {
    3891         [ +  - ]:          24 :             SetupDescriptorScriptPubKeyMans(local_wallet_batch, data.master_key);
    3892                 :             :         } else {
    3893                 :             :             // Setup with a new seed if we don't.
    3894         [ +  - ]:           1 :             SetupOwnDescriptorScriptPubKeyMans(local_wallet_batch);
    3895                 :             :         }
    3896                 :             :     }
    3897                 :             : 
    3898                 :             :     // Get best block locator so that we can copy it to the watchonly and solvables
    3899                 :          29 :     CBlockLocator best_block_locator;
    3900   [ +  -  -  + ]:          29 :     if (!local_wallet_batch.ReadBestBlock(best_block_locator)) {
    3901         [ #  # ]:           0 :         return util::Error{_("Error: Unable to read wallet's best block locator record")};
    3902                 :             :     }
    3903                 :             : 
    3904                 :             :     // Update m_txos to match the descriptors remaining in this wallet
    3905                 :          29 :     m_txos.clear();
    3906         [ +  - ]:          29 :     RefreshAllTXOs();
    3907                 :             : 
    3908                 :             :     // Check if the transactions in the wallet are still ours. Either they belong here, or they belong in the watchonly wallet.
    3909                 :             :     // We need to go through these in the tx insertion order so that lookups to spends works.
    3910                 :          29 :     std::vector<Txid> txids_to_delete;
    3911                 :          29 :     std::unique_ptr<WalletBatch> watchonly_batch;
    3912         [ +  + ]:          29 :     if (data.watchonly_wallet) {
    3913         [ +  - ]:          20 :         watchonly_batch = std::make_unique<WalletBatch>(data.watchonly_wallet->GetDatabase());
    3914   [ +  -  -  +  :          10 :         if (!watchonly_batch->TxnBegin()) return util::Error{strprintf(_("Error: database transaction cannot be executed for wallet %s"), data.watchonly_wallet->GetName())};
                   -  - ]
    3915                 :             :         // Copy the next tx order pos to the watchonly wallet
    3916         [ +  - ]:          10 :         LOCK(data.watchonly_wallet->cs_wallet);
    3917         [ +  - ]:          10 :         data.watchonly_wallet->nOrderPosNext = nOrderPosNext;
    3918         [ +  - ]:          10 :         watchonly_batch->WriteOrderPosNext(data.watchonly_wallet->nOrderPosNext);
    3919                 :             :         // Write the best block locator to avoid rescanning on reload
    3920   [ +  -  -  + ]:          10 :         if (!watchonly_batch->WriteBestBlock(best_block_locator)) {
    3921   [ #  #  #  # ]:           0 :             return util::Error{_("Error: Unable to write watchonly wallet best block locator record")};
    3922                 :             :         }
    3923                 :          10 :     }
    3924                 :          29 :     std::unique_ptr<WalletBatch> solvables_batch;
    3925         [ +  + ]:          29 :     if (data.solvable_wallet) {
    3926         [ +  - ]:          10 :         solvables_batch = std::make_unique<WalletBatch>(data.solvable_wallet->GetDatabase());
    3927   [ +  -  -  +  :           5 :         if (!solvables_batch->TxnBegin()) return util::Error{strprintf(_("Error: database transaction cannot be executed for wallet %s"), data.solvable_wallet->GetName())};
                   -  - ]
    3928                 :             :         // Write the best block locator to avoid rescanning on reload
    3929   [ +  -  -  + ]:           5 :         if (!solvables_batch->WriteBestBlock(best_block_locator)) {
    3930         [ #  # ]:           0 :             return util::Error{_("Error: Unable to write solvable wallet best block locator record")};
    3931                 :             :         }
    3932                 :             :     }
    3933   [ +  -  +  + ]:          83 :     for (const auto& [_pos, wtx] : wtxOrdered) {
    3934                 :             :         // Check it is the watchonly wallet's
    3935                 :             :         // solvable_wallet doesn't need to be checked because transactions for those scripts weren't being watched for
    3936   [ +  -  +  +  :          54 :         bool is_mine = IsMine(*wtx->tx) || IsFromMe(*wtx->tx);
             +  -  +  + ]
    3937         [ +  + ]:          54 :         if (data.watchonly_wallet) {
    3938         [ +  - ]:          22 :             LOCK(data.watchonly_wallet->cs_wallet);
    3939   [ +  -  +  +  :          22 :             if (data.watchonly_wallet->IsMine(*wtx->tx) || data.watchonly_wallet->IsFromMe(*wtx->tx)) {
             +  -  +  + ]
    3940                 :             :                 // Add to watchonly wallet
    3941         [ +  - ]:          14 :                 const Txid& hash = wtx->GetHash();
    3942                 :          14 :                 const CWalletTx& to_copy_wtx = *wtx;
    3943   [ +  -  -  + ]:          14 :                 if (!data.watchonly_wallet->LoadToWallet(hash, [&](CWalletTx& ins_wtx, bool new_tx) EXCLUSIVE_LOCKS_REQUIRED(data.watchonly_wallet->cs_wallet) {
    3944         [ +  - ]:          14 :                     if (!new_tx) return false;
    3945   [ +  -  -  + ]:          28 :                     ins_wtx.SetTx(to_copy_wtx.tx);
    3946                 :          14 :                     ins_wtx.CopyFrom(to_copy_wtx);
    3947                 :          14 :                     return true;
    3948                 :             :                 })) {
    3949   [ #  #  #  #  :           0 :                     return util::Error{strprintf(_("Error: Could not add watchonly tx %s to watchonly wallet"), wtx->GetHash().GetHex())};
                   #  # ]
    3950                 :             :                 }
    3951   [ +  -  +  - ]:          14 :                 watchonly_batch->WriteTx(data.watchonly_wallet->mapWallet.at(hash));
    3952                 :             :                 // Mark as to remove from the migrated wallet only if it does not also belong to it
    3953         [ +  + ]:          14 :                 if (!is_mine) {
    3954         [ +  - ]:          11 :                     txids_to_delete.push_back(hash);
    3955                 :             :                 }
    3956                 :          14 :                 continue;
    3957         [ +  - ]:          14 :             }
    3958                 :          22 :         }
    3959         [ -  + ]:          40 :         if (!is_mine) {
    3960                 :             :             // Both not ours and not in the watchonly wallet
    3961   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Error: Transaction %s in wallet cannot be identified to belong to migrated wallets"), wtx->GetHash().GetHex())};
    3962                 :             :         }
    3963                 :             :     }
    3964                 :             : 
    3965                 :             :     // Do the removes
    3966         [ +  + ]:          29 :     if (txids_to_delete.size() > 0) {
    3967   [ +  -  -  + ]:           6 :         if (auto res = RemoveTxs(local_wallet_batch, txids_to_delete); !res) {
    3968   [ #  #  #  # ]:           0 :             return util::Error{_("Error: Could not delete watchonly transactions. ") + util::ErrorString(res)};
    3969                 :           6 :         }
    3970                 :             :     }
    3971                 :             : 
    3972                 :             :     // Pair external wallets with their corresponding db handler
    3973                 :          29 :     std::vector<std::pair<std::shared_ptr<CWallet>, std::unique_ptr<WalletBatch>>> wallets_vec;
    3974   [ +  +  +  - ]:          29 :     if (data.watchonly_wallet) wallets_vec.emplace_back(data.watchonly_wallet, std::move(watchonly_batch));
    3975   [ +  +  +  - ]:          29 :     if (data.solvable_wallet) wallets_vec.emplace_back(data.solvable_wallet, std::move(solvables_batch));
    3976                 :             : 
    3977                 :             :     // Write address book entry to disk
    3978                 :          86 :     auto func_store_addr = [](WalletBatch& batch, const CTxDestination& dest, const CAddressBookData& entry) {
    3979                 :          57 :         auto address{EncodeDestination(dest)};
    3980   [ +  -  +  -  :         114 :         if (entry.purpose) batch.WritePurpose(address, PurposeToString(*entry.purpose));
                   +  - ]
    3981   [ +  -  +  - ]:          57 :         if (entry.label) batch.WriteName(address, *entry.label);
    3982   [ -  -  -  + ]:          57 :         for (const auto& [id, request] : entry.receive_requests) {
    3983         [ #  # ]:           0 :             batch.WriteAddressReceiveRequest(dest, id, request);
    3984                 :             :         }
    3985   [ +  +  +  - ]:          57 :         if (entry.previously_spent) batch.WriteAddressPreviouslySpent(dest, true);
    3986                 :          57 :     };
    3987                 :             : 
    3988                 :             :     // Check the address book data in the same way we did for transactions
    3989                 :          29 :     std::vector<CTxDestination> dests_to_delete;
    3990   [ +  -  +  + ]:         112 :     for (const auto& [dest, record] : m_address_book) {
    3991                 :             :         // Ensure "receive" entries that are no longer part of the original wallet are transferred to another wallet
    3992                 :             :         // Entries for everything else ("send") will be cloned to all wallets.
    3993   [ +  -  +  -  :         159 :         bool require_transfer = record.purpose == AddressPurpose::RECEIVE && !IsMine(dest);
                   +  + ]
    3994                 :          83 :         bool copied = false;
    3995   [ +  -  +  + ]:         119 :         for (auto& [wallet, batch] : wallets_vec) {
    3996         [ +  - ]:          58 :             LOCK(wallet->cs_wallet);
    3997   [ +  +  +  -  :          58 :             if (require_transfer && !wallet->IsMine(dest)) continue;
             +  +  +  - ]
    3998                 :             : 
    3999                 :             :             // Copy the entire address book entry
    4000   [ +  -  +  - ]:          57 :             wallet->m_address_book[dest] = record;
    4001         [ +  - ]:          57 :             func_store_addr(*batch, dest, record);
    4002                 :             : 
    4003                 :          57 :             copied = true;
    4004                 :             :             // Only delete 'receive' records that are no longer part of the original wallet
    4005         [ +  + ]:          57 :             if (require_transfer) {
    4006         [ +  - ]:          22 :                 dests_to_delete.push_back(dest);
    4007         [ +  - ]:          22 :                 break;
    4008                 :             :             }
    4009                 :          58 :         }
    4010                 :             : 
    4011                 :             :         // Fail immediately if we ever found an entry that was ours and cannot be transferred
    4012                 :             :         // to any of the created wallets (watch-only, solvable).
    4013                 :             :         // Means that no inferred descriptor maps to the stored entry. Which mustn't happen.
    4014         [ +  + ]:          83 :         if (require_transfer && !copied) {
    4015                 :             : 
    4016                 :             :             // Skip invalid/non-watched scripts that will not be migrated
    4017         [ +  - ]:           4 :             if (not_migrated_dests.count(dest) > 0) {
    4018         [ +  - ]:           4 :                 dests_to_delete.push_back(dest);
    4019                 :           4 :                 continue;
    4020                 :             :             }
    4021                 :             : 
    4022         [ #  # ]:           0 :             return util::Error{_("Error: Address book data in wallet cannot be identified to belong to migrated wallets")};
    4023                 :             :         }
    4024                 :             :     }
    4025                 :             : 
    4026                 :             :     // Persist external wallets address book entries
    4027   [ +  -  +  + ]:          44 :     for (auto& [wallet, batch] : wallets_vec) {
    4028   [ +  -  -  + ]:          15 :         if (!batch->TxnCommit()) {
    4029         [ #  # ]:           0 :             return util::Error{strprintf(_("Error: Unable to write data to disk for wallet %s"), wallet->GetName())};
    4030                 :             :         }
    4031                 :             :     }
    4032                 :             : 
    4033                 :             :     // Remove the things to delete in this wallet
    4034         [ +  + ]:          29 :     if (dests_to_delete.size() > 0) {
    4035         [ +  + ]:          36 :         for (const auto& dest : dests_to_delete) {
    4036   [ +  -  -  + ]:          26 :             if (!DelAddressBookWithDB(local_wallet_batch, dest)) {
    4037         [ #  # ]:           0 :                 return util::Error{_("Error: Unable to remove watchonly address book data")};
    4038                 :             :             }
    4039                 :             :         }
    4040                 :             :     }
    4041                 :             : 
    4042                 :             :     // If there was no key material in the main wallet, there should be no records on it anymore.
    4043                 :             :     // This wallet will be discarded at the end of the process. Only wallets that contain the
    4044                 :             :     // migrated records will be presented to the user.
    4045         [ +  + ]:          29 :     if (!has_spendable_material) {
    4046   [ -  +  -  - ]:           2 :         if (!m_address_book.empty()) return util::Error{_("Error: Not all address book records were migrated")};
    4047   [ -  +  -  - ]:           2 :         if (!mapWallet.empty()) return util::Error{_("Error: Not all transaction records were migrated")};
    4048                 :             :     }
    4049                 :             : 
    4050                 :          29 :     return {}; // all good
    4051                 :          87 : }
    4052                 :             : 
    4053                 :      143061 : bool CWallet::CanGrindR() const
    4054                 :             : {
    4055                 :      143061 :     return !IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS);
    4056                 :             : }
    4057                 :             : 
    4058                 :          30 : bool DoMigration(CWallet& wallet, WalletContext& context, bilingual_str& error, MigrationResult& res) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
    4059                 :             : {
    4060                 :          30 :     AssertLockHeld(wallet.cs_wallet);
    4061                 :             : 
    4062                 :             :     // Get all of the descriptors from the legacy wallet
    4063                 :          30 :     std::optional<MigrationData> data = wallet.GetDescriptorsForLegacy(error);
    4064         [ +  - ]:          30 :     if (data == std::nullopt) return false;
    4065                 :             : 
    4066                 :             :     // Create the watchonly and solvable wallets if necessary
    4067   [ +  +  +  + ]:          30 :     if (data->watch_descs.size() > 0 || data->solvable_descs.size() > 0) {
    4068         [ +  - ]:          12 :         DatabaseOptions options;
    4069                 :          12 :         options.require_existing = false;
    4070                 :          12 :         options.require_create = true;
    4071         [ +  - ]:          12 :         options.require_format = DatabaseFormat::SQLITE;
    4072                 :             : 
    4073         [ +  - ]:          12 :         WalletContext empty_context;
    4074                 :          12 :         empty_context.args = context.args;
    4075                 :             : 
    4076                 :             :         // Make the wallets
    4077                 :          12 :         options.create_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET | WALLET_FLAG_DESCRIPTORS;
    4078   [ +  -  +  + ]:          12 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    4079                 :           1 :             options.create_flags |= WALLET_FLAG_AVOID_REUSE;
    4080                 :             :         }
    4081   [ +  -  +  - ]:          12 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
    4082                 :          12 :             options.create_flags |= WALLET_FLAG_KEY_ORIGIN_METADATA;
    4083                 :             :         }
    4084         [ +  + ]:          12 :         if (data->watch_descs.size() > 0) {
    4085         [ +  - ]:          11 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the watched scripts\n");
    4086                 :             : 
    4087                 :          11 :             DatabaseStatus status;
    4088                 :          11 :             std::vector<bilingual_str> warnings;
    4089         [ +  - ]:          11 :             std::string wallet_name = wallet.GetName() + "_watchonly";
    4090         [ +  - ]:          11 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4091         [ -  + ]:          11 :             if (!database) {
    4092         [ #  # ]:           0 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4093                 :           0 :                 return false;
    4094                 :             :             }
    4095                 :             : 
    4096   [ +  -  -  + ]:          11 :             data->watchonly_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4097         [ -  + ]:          11 :             if (!data->watchonly_wallet) {
    4098         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4099                 :           0 :                 return false;
    4100                 :             :             }
    4101                 :          11 :             res.watchonly_wallet = data->watchonly_wallet;
    4102         [ +  - ]:          11 :             LOCK(data->watchonly_wallet->cs_wallet);
    4103                 :             : 
    4104                 :             :             // Parse the descriptors and add them to the new wallet
    4105         [ +  + ]:          46 :             for (const auto& [desc_str, creation_time] : data->watch_descs) {
    4106                 :             :                 // Parse the descriptor
    4107                 :          35 :                 FlatSigningProvider keys;
    4108         [ +  - ]:          35 :                 std::string parse_err;
    4109         [ +  - ]:          35 :                 std::vector<std::unique_ptr<Descriptor>> descs = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
    4110         [ -  + ]:          35 :                 assert(descs.size() == 1); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor or a multipath descriptors
    4111   [ +  -  +  -  :          35 :                 assert(!descs.at(0)->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
                   -  + ]
    4112                 :             : 
    4113                 :             :                 // Add to the wallet
    4114   [ +  -  +  -  :          35 :                 WalletDescriptor w_desc(std::move(descs.at(0)), creation_time, 0, 0, 0);
                   +  - ]
    4115   [ +  -  +  -  :          70 :                 if (auto spkm_res = data->watchonly_wallet->AddWalletDescriptor(w_desc, keys, "", false); !spkm_res) {
                   -  + ]
    4116   [ #  #  #  # ]:           0 :                     throw std::runtime_error(util::ErrorString(spkm_res).original);
    4117                 :           0 :                 }
    4118                 :          35 :             }
    4119                 :             : 
    4120                 :             :             // Add the wallet to settings
    4121         [ +  - ]:          11 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
    4122                 :          11 :         }
    4123         [ +  + ]:          12 :         if (data->solvable_descs.size() > 0) {
    4124         [ +  - ]:           6 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the unwatched solvable scripts\n");
    4125                 :             : 
    4126                 :           6 :             DatabaseStatus status;
    4127                 :           6 :             std::vector<bilingual_str> warnings;
    4128         [ +  - ]:           6 :             std::string wallet_name = wallet.GetName() + "_solvables";
    4129         [ +  - ]:           6 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4130         [ +  + ]:           6 :             if (!database) {
    4131         [ +  - ]:           1 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4132                 :           1 :                 return false;
    4133                 :             :             }
    4134                 :             : 
    4135   [ +  -  -  + ]:           5 :             data->solvable_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4136         [ -  + ]:           5 :             if (!data->solvable_wallet) {
    4137         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4138                 :           0 :                 return false;
    4139                 :             :             }
    4140                 :           5 :             res.solvables_wallet = data->solvable_wallet;
    4141         [ +  - ]:           5 :             LOCK(data->solvable_wallet->cs_wallet);
    4142                 :             : 
    4143                 :             :             // Parse the descriptors and add them to the new wallet
    4144         [ +  + ]:          17 :             for (const auto& [desc_str, creation_time] : data->solvable_descs) {
    4145                 :             :                 // Parse the descriptor
    4146                 :          12 :                 FlatSigningProvider keys;
    4147         [ +  - ]:          12 :                 std::string parse_err;
    4148         [ +  - ]:          12 :                 std::vector<std::unique_ptr<Descriptor>> descs = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
    4149         [ -  + ]:          12 :                 assert(descs.size() == 1); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor or a multipath descriptors
    4150   [ +  -  +  -  :          12 :                 assert(!descs.at(0)->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
                   -  + ]
    4151                 :             : 
    4152                 :             :                 // Add to the wallet
    4153   [ +  -  +  -  :          12 :                 WalletDescriptor w_desc(std::move(descs.at(0)), creation_time, 0, 0, 0);
                   +  - ]
    4154   [ +  -  +  -  :          24 :                 if (auto spkm_res = data->solvable_wallet->AddWalletDescriptor(w_desc, keys, "", false); !spkm_res) {
                   -  + ]
    4155   [ #  #  #  # ]:           0 :                     throw std::runtime_error(util::ErrorString(spkm_res).original);
    4156                 :           0 :                 }
    4157                 :          12 :             }
    4158                 :             : 
    4159                 :             :             // Add the wallet to settings
    4160         [ +  - ]:           5 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
    4161                 :           6 :         }
    4162                 :          12 :     }
    4163                 :             : 
    4164                 :             :     // Add the descriptors to wallet, remove LegacyScriptPubKeyMan, and cleanup txs and address book data
    4165   [ +  -  +  - ]:          29 :     return RunWithinTxn(wallet.GetDatabase(), /*process_desc=*/"apply migration process", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet){
    4166         [ -  + ]:          29 :         if (auto res_migration = wallet.ApplyMigrationData(batch, *data); !res_migration) {
    4167         [ #  # ]:           0 :             error = util::ErrorString(res_migration);
    4168                 :           0 :             return false;
    4169                 :           0 :         }
    4170                 :          29 :         wallet.WalletLogPrintf("Wallet migration complete.\n");
    4171                 :          29 :         return true;
    4172                 :             :     });
    4173                 :          30 : }
    4174                 :             : 
    4175                 :          39 : util::Result<MigrationResult> MigrateLegacyToDescriptor(const std::string& wallet_name, const SecureString& passphrase, WalletContext& context)
    4176                 :             : {
    4177                 :          39 :     std::vector<bilingual_str> warnings;
    4178         [ +  - ]:          39 :     bilingual_str error;
    4179                 :             : 
    4180                 :             :     // The only kind of wallets that could be loaded are descriptor ones, which don't need to be migrated.
    4181   [ +  -  +  + ]:          39 :     if (auto wallet = GetWallet(context, wallet_name)) {
    4182   [ +  -  -  + ]:           1 :         assert(wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4183         [ +  - ]:           3 :         return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4184                 :             :     } else {
    4185                 :             :         // Check if the wallet is BDB
    4186         [ +  - ]:          38 :         const auto& wallet_path = GetWalletPath(wallet_name);
    4187         [ -  + ]:          38 :         if (!wallet_path) {
    4188         [ #  # ]:           0 :             return util::Error{util::ErrorString(wallet_path)};
    4189                 :             :         }
    4190   [ +  -  +  + ]:          38 :         if (!fs::exists(*wallet_path)) {
    4191         [ +  - ]:           3 :             return util::Error{_("Error: Wallet does not exist")};
    4192                 :             :         }
    4193   [ +  -  +  -  :          74 :         if (!IsBDBFile(BDBDataFile(*wallet_path))) {
                   +  + ]
    4194         [ +  - ]:           3 :             return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4195                 :             :         }
    4196         [ -  + ]:          41 :     }
    4197                 :             : 
    4198                 :             :     // Load the wallet but only in the context of this function.
    4199                 :             :     // No signals should be connected nor should anything else be aware of this wallet
    4200         [ +  - ]:          36 :     WalletContext empty_context;
    4201                 :          36 :     empty_context.args = context.args;
    4202         [ +  - ]:          36 :     DatabaseOptions options;
    4203                 :          36 :     options.require_existing = true;
    4204         [ +  - ]:          36 :     options.require_format = DatabaseFormat::BERKELEY_RO;
    4205                 :          36 :     DatabaseStatus status;
    4206         [ +  - ]:          36 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4207         [ -  + ]:          36 :     if (!database) {
    4208   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet file verification failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
                      # ]
    4209                 :             :     }
    4210                 :             : 
    4211                 :             :     // Make the local wallet
    4212         [ +  - ]:          36 :     std::shared_ptr<CWallet> local_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4213         [ -  + ]:          36 :     if (!local_wallet) {
    4214   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet loading failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
                      # ]
    4215                 :             :     }
    4216                 :             : 
    4217         [ +  - ]:          72 :     return MigrateLegacyToDescriptor(std::move(local_wallet), passphrase, context);
    4218                 :          75 : }
    4219                 :             : 
    4220                 :          36 : util::Result<MigrationResult> MigrateLegacyToDescriptor(std::shared_ptr<CWallet> local_wallet, const SecureString& passphrase, WalletContext& context)
    4221                 :             : {
    4222                 :          36 :     MigrationResult res;
    4223         [ +  - ]:          36 :     bilingual_str error;
    4224                 :          36 :     std::vector<bilingual_str> warnings;
    4225                 :             : 
    4226         [ +  - ]:          36 :     DatabaseOptions options;
    4227                 :          36 :     options.require_existing = true;
    4228                 :          36 :     DatabaseStatus status;
    4229                 :             : 
    4230         [ +  - ]:          36 :     const std::string wallet_name = local_wallet->GetName();
    4231                 :             : 
    4232                 :             :     // Before anything else, check if there is something to migrate.
    4233   [ +  -  -  + ]:          36 :     if (local_wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    4234         [ #  # ]:           0 :         return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4235                 :             :     }
    4236                 :             : 
    4237                 :             :     // Make a backup of the DB
    4238   [ +  -  +  -  :         180 :     fs::path this_wallet_dir = fs::absolute(fs::PathFromString(local_wallet->GetDatabase().Filename())).parent_path();
             +  -  +  - ]
    4239   [ +  -  +  +  :          72 :     fs::path backup_filename = fs::PathFromString(strprintf("%s_%d.legacy.bak", (wallet_name.empty() ? "default_wallet" : wallet_name), GetTime()));
          +  -  +  -  +  
                -  +  - ]
    4240   [ +  -  +  - ]:          72 :     fs::path backup_path = this_wallet_dir / backup_filename;
    4241   [ +  -  +  -  :          72 :     if (!local_wallet->BackupWallet(fs::PathToString(backup_path))) {
                   -  + ]
    4242         [ #  # ]:           0 :         return util::Error{_("Error: Unable to make a backup of your wallet")};
    4243                 :             :     }
    4244         [ +  - ]:          36 :     res.backup_path = backup_path;
    4245                 :             : 
    4246                 :          36 :     bool success = false;
    4247                 :             : 
    4248                 :             :     // Unlock the wallet if needed
    4249   [ +  -  +  +  :          36 :     if (local_wallet->IsLocked() && !local_wallet->Unlock(passphrase)) {
             +  -  +  + ]
    4250         [ +  + ]:           3 :         if (passphrase.find('\0') == std::string::npos) {
    4251   [ +  -  +  - ]:           6 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase was not provided or was incorrect.")};
    4252                 :             :         } else {
    4253   [ +  -  +  - ]:           2 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase entered was incorrect. "
    4254                 :             :                                             "The passphrase contains a null character (ie - a zero byte). "
    4255                 :             :                                             "If this passphrase was set with a version of this software prior to 25.0, "
    4256                 :             :                                             "please try again with only the characters up to — but not including — "
    4257                 :           1 :                                             "the first null character.")};
    4258                 :             :         }
    4259                 :             :     }
    4260                 :             : 
    4261                 :             :     // Indicates whether the current wallet is empty after migration.
    4262                 :             :     // Notes:
    4263                 :             :     // When non-empty: the local wallet becomes the main spendable wallet.
    4264                 :             :     // When empty: The local wallet is excluded from the result, as the
    4265                 :             :     //             user does not expect an empty spendable wallet after
    4266                 :             :     //             migrating only watch-only scripts.
    4267                 :          33 :     bool empty_local_wallet = false;
    4268                 :             : 
    4269                 :          33 :     {
    4270         [ +  - ]:          33 :         LOCK(local_wallet->cs_wallet);
    4271                 :             :         // First change to using SQLite
    4272   [ +  -  -  +  :          33 :         if (!local_wallet->MigrateToSQLite(error)) return util::Error{error};
             -  -  -  - ]
    4273                 :             : 
    4274                 :             :         // Do the migration of keys and scripts for non-empty wallets, and cleanup if it fails
    4275   [ +  -  +  + ]:          33 :         if (HasLegacyRecords(*local_wallet)) {
    4276         [ +  - ]:          30 :             success = DoMigration(*local_wallet, context, error, res);
    4277                 :             :             // No scripts mean empty wallet after migration
    4278         [ +  - ]:          30 :             empty_local_wallet = local_wallet->GetAllScriptPubKeyMans().empty();
    4279                 :             :         } else {
    4280                 :             :             // Make sure that descriptors flag is actually set
    4281         [ +  - ]:           3 :             local_wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
    4282                 :             :             success = true;
    4283                 :             :         }
    4284                 :           0 :     }
    4285                 :             : 
    4286                 :             :     // In case of loading failure, we need to remember the wallet dirs to remove.
    4287                 :             :     // A `set` is used as it may be populated with the same wallet directory paths multiple times,
    4288                 :             :     // both before and after loading. This ensures the set is complete even if one of the wallets
    4289                 :             :     // fails to load.
    4290         [ +  + ]:          33 :     std::set<fs::path> wallet_dirs;
    4291         [ +  + ]:          33 :     if (success) {
    4292                 :          32 :         Assume(!res.wallet); // We will set it here.
    4293                 :             :         // Check if the local wallet is empty after migration
    4294         [ +  + ]:          32 :         if (empty_local_wallet) {
    4295                 :             :             // This wallet has no records. We can safely remove it.
    4296         [ +  - ]:           2 :             std::vector<fs::path> paths_to_remove = local_wallet->GetDatabase().Files();
    4297                 :           2 :             local_wallet.reset();
    4298   [ +  -  +  + ]:           6 :             for (const auto& path_to_remove : paths_to_remove) fs::remove_all(path_to_remove);
    4299                 :           2 :         }
    4300                 :             : 
    4301                 :             :         // Migration successful, load all the migrated wallets.
    4302         [ +  + ]:         128 :         for (std::shared_ptr<CWallet>* wallet_ptr : {&local_wallet, &res.watchonly_wallet, &res.solvables_wallet}) {
    4303   [ +  +  +  + ]:          96 :             if (success && *wallet_ptr) {
    4304                 :          45 :                 std::shared_ptr<CWallet>& wallet = *wallet_ptr;
    4305                 :             :                 // Save db path and load wallet
    4306   [ +  -  +  -  :         225 :                 wallet_dirs.insert(fs::PathFromString(wallet->GetDatabase().Filename()).parent_path());
             +  -  +  - ]
    4307         [ -  + ]:          45 :                 assert(wallet.use_count() == 1);
    4308         [ +  - ]:          45 :                 std::string wallet_name = wallet->GetName();
    4309                 :          45 :                 wallet.reset();
    4310   [ +  -  -  + ]:          90 :                 wallet = LoadWallet(context, wallet_name, /*load_on_start=*/std::nullopt, options, status, error, warnings);
    4311         [ +  + ]:          45 :                 success = (wallet != nullptr);
    4312                 :             : 
    4313                 :             :                 // When no wallet is set, set the main wallet.
    4314   [ +  +  +  + ]:          45 :                 if (success && !res.wallet) {
    4315         [ +  - ]:          31 :                     res.wallet_name = wallet->GetName();
    4316                 :          31 :                     res.wallet = std::move(wallet);
    4317                 :             :                 }
    4318                 :          45 :             }
    4319                 :             :         }
    4320                 :             :     }
    4321         [ +  + ]:          32 :     if (!success) {
    4322                 :             :         // Migration failed, cleanup
    4323                 :             :         // Before deleting the wallet's directory, copy the backup file to the top-level wallets dir
    4324   [ +  -  +  - ]:           2 :         fs::path temp_backup_location = fsbridge::AbsPathJoin(GetWalletDir(), backup_filename);
    4325         [ +  - ]:           2 :         fs::copy_file(backup_path, temp_backup_location, fs::copy_options::none);
    4326                 :             : 
    4327                 :             :         // Make list of wallets to cleanup
    4328                 :           2 :         std::vector<std::shared_ptr<CWallet>> created_wallets;
    4329   [ +  +  +  - ]:           2 :         if (local_wallet) created_wallets.push_back(std::move(local_wallet));
    4330   [ +  +  +  - ]:           2 :         if (res.watchonly_wallet) created_wallets.push_back(std::move(res.watchonly_wallet));
    4331   [ -  +  -  - ]:           2 :         if (res.solvables_wallet) created_wallets.push_back(std::move(res.solvables_wallet));
    4332                 :             : 
    4333                 :             :         // Get the directories to remove after unloading
    4334         [ +  + ]:           4 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4335   [ +  -  +  -  :           6 :             wallet_dirs.emplace(fs::PathFromString(w->GetDatabase().Filename()).parent_path());
             +  -  +  - ]
    4336                 :             :         }
    4337                 :             : 
    4338                 :             :         // Unload the wallets
    4339         [ +  + ]:           4 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4340         [ -  + ]:           2 :             if (w->HaveChain()) {
    4341                 :             :                 // Unloading for wallets that were loaded for normal use
    4342   [ #  #  #  # ]:           0 :                 if (!RemoveWallet(context, w, /*load_on_start=*/false)) {
    4343   [ #  #  #  # ]:           0 :                     error += _("\nUnable to cleanup failed migration");
    4344         [ #  # ]:           0 :                     return util::Error{error};
    4345                 :             :                 }
    4346         [ #  # ]:           0 :                 WaitForDeleteWallet(std::move(w));
    4347                 :             :             } else {
    4348                 :             :                 // Unloading for wallets in local context
    4349         [ -  + ]:           2 :                 assert(w.use_count() == 1);
    4350                 :           2 :                 w.reset();
    4351                 :             :             }
    4352                 :             :         }
    4353                 :             : 
    4354                 :             :         // Delete the wallet directories
    4355         [ +  + ]:           5 :         for (const fs::path& dir : wallet_dirs) {
    4356         [ +  - ]:           3 :             fs::remove_all(dir);
    4357                 :             :         }
    4358                 :             : 
    4359                 :             :         // Restore the backup
    4360                 :             :         // Convert the backup file to the wallet db file by renaming it and moving it into the wallet's directory.
    4361         [ +  - ]:           2 :         bilingual_str restore_error;
    4362         [ +  - ]:           2 :         const auto& ptr_wallet = RestoreWallet(context, temp_backup_location, wallet_name, /*load_on_start=*/std::nullopt, status, restore_error, warnings, /*load_after_restore=*/false);
    4363         [ -  + ]:           2 :         if (!restore_error.empty()) {
    4364   [ #  #  #  # ]:           0 :             error += restore_error + _("\nUnable to restore backup of wallet.");
    4365         [ #  # ]:           0 :             return util::Error{error};
    4366                 :             :         }
    4367                 :             :         // Verify that the legacy wallet is not loaded after restoring from the backup.
    4368         [ -  + ]:           2 :         assert(!ptr_wallet);
    4369                 :             : 
    4370                 :             :         // The wallet directory has been restored, but just in case, copy the previously created backup to the wallet dir
    4371         [ +  - ]:           2 :         fs::copy_file(temp_backup_location, backup_path, fs::copy_options::none);
    4372         [ +  - ]:           2 :         fs::remove(temp_backup_location);
    4373                 :             : 
    4374         [ +  - ]:           6 :         return util::Error{error};
    4375                 :           6 :     }
    4376                 :          31 :     return res;
    4377                 :         213 : }
    4378                 :             : 
    4379                 :       76504 : void CWallet::CacheNewScriptPubKeys(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4380                 :             : {
    4381         [ +  + ]:      558330 :     for (const auto& script : spks) {
    4382                 :      481826 :         m_cached_spks[script].push_back(spkm);
    4383                 :             :     }
    4384                 :       76504 : }
    4385                 :             : 
    4386                 :       76504 : void CWallet::TopUpCallback(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4387                 :             : {
    4388                 :             :     // Update scriptPubKey cache
    4389                 :       76504 :     CacheNewScriptPubKeys(spks, spkm);
    4390                 :       76504 : }
    4391                 :             : 
    4392                 :           7 : std::set<CExtPubKey> CWallet::GetActiveHDPubKeys() const
    4393                 :             : {
    4394                 :           7 :     AssertLockHeld(cs_wallet);
    4395                 :             : 
    4396                 :           7 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4397                 :             : 
    4398         [ +  - ]:           7 :     std::set<CExtPubKey> active_xpubs;
    4399   [ +  -  +  + ]:          30 :     for (const auto& spkm : GetActiveScriptPubKeyMans()) {
    4400         [ +  - ]:          23 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4401         [ -  + ]:          23 :         assert(desc_spkm);
    4402         [ +  - ]:          23 :         LOCK(desc_spkm->cs_desc_man);
    4403         [ +  - ]:          23 :         WalletDescriptor w_desc = desc_spkm->GetWalletDescriptor();
    4404                 :             : 
    4405         [ +  - ]:          23 :         std::set<CPubKey> desc_pubkeys;
    4406                 :          23 :         std::set<CExtPubKey> desc_xpubs;
    4407         [ +  - ]:          23 :         w_desc.descriptor->GetPubKeys(desc_pubkeys, desc_xpubs);
    4408                 :          23 :         active_xpubs.merge(std::move(desc_xpubs));
    4409         [ +  - ]:          46 :     }
    4410                 :           7 :     return active_xpubs;
    4411                 :           0 : }
    4412                 :             : 
    4413                 :           8 : std::optional<CKey> CWallet::GetKey(const CKeyID& keyid) const
    4414                 :             : {
    4415                 :           8 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4416                 :             : 
    4417         [ +  + ]:           9 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
    4418         [ +  - ]:           8 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4419         [ -  + ]:           8 :         assert(desc_spkm);
    4420         [ +  - ]:           8 :         LOCK(desc_spkm->cs_desc_man);
    4421   [ +  -  +  + ]:           8 :         if (std::optional<CKey> key = desc_spkm->GetKey(keyid)) {
    4422         [ +  - ]:           7 :             return key;
    4423         [ +  - ]:           1 :         }
    4424                 :           8 :     }
    4425                 :           1 :     return std::nullopt;
    4426                 :             : }
    4427                 :             : 
    4428                 :       16950 : void CWallet::WriteBestBlock() const
    4429                 :             : {
    4430                 :       16950 :     AssertLockHeld(cs_wallet);
    4431                 :             : 
    4432         [ +  + ]:       16950 :     if (!m_last_block_processed.IsNull()) {
    4433                 :       16913 :         CBlockLocator loc;
    4434         [ +  - ]:       16913 :         chain().findBlock(m_last_block_processed, FoundBlock().locator(loc));
    4435                 :             : 
    4436         [ +  - ]:       16913 :         if (!loc.IsNull()) {
    4437         [ +  - ]:       16913 :             WalletBatch batch(GetDatabase());
    4438         [ +  - ]:       16913 :             batch.WriteBestBlock(loc);
    4439                 :       16913 :         }
    4440                 :       16913 :     }
    4441                 :       16950 : }
    4442                 :             : 
    4443                 :       35028 : void CWallet::RefreshTXOsFromTx(const CWalletTx& wtx)
    4444                 :             : {
    4445                 :       35028 :     AssertLockHeld(cs_wallet);
    4446         [ +  + ]:      180850 :     for (uint32_t i = 0; i < wtx.tx->vout.size(); ++i) {
    4447                 :      145822 :         const CTxOut& txout = wtx.tx->vout.at(i);
    4448                 :      145822 :         isminetype ismine = IsMine(txout);
    4449         [ +  + ]:      145822 :         if (ismine == ISMINE_NO) {
    4450                 :       87209 :             continue;
    4451                 :             :         }
    4452                 :       58613 :         COutPoint outpoint(wtx.GetHash(), i);
    4453         [ +  + ]:       58613 :         if (m_txos.contains(outpoint)) {
    4454                 :       14201 :             m_txos.at(outpoint).SetIsMine(ismine);
    4455                 :             :         } else {
    4456                 :       44412 :             m_txos.emplace(outpoint, WalletTXO{wtx, txout, ismine});
    4457                 :             :         }
    4458                 :             :     }
    4459                 :       35028 : }
    4460                 :             : 
    4461                 :         604 : void CWallet::RefreshAllTXOs()
    4462                 :             : {
    4463                 :         604 :     AssertLockHeld(cs_wallet);
    4464         [ +  + ]:        2718 :     for (const auto& [_, wtx] : mapWallet) {
    4465                 :        2114 :         RefreshTXOsFromTx(wtx);
    4466                 :             :     }
    4467                 :         604 : }
    4468                 :             : 
    4469                 :      175485 : std::optional<WalletTXO> CWallet::GetTXO(const COutPoint& outpoint) const
    4470                 :             : {
    4471                 :      175485 :     AssertLockHeld(cs_wallet);
    4472                 :      175485 :     const auto& it = m_txos.find(outpoint);
    4473         [ +  + ]:      175485 :     if (it == m_txos.end()) {
    4474                 :      162926 :         return std::nullopt;
    4475                 :             :     }
    4476                 :       12559 :     return it->second;
    4477                 :             : }
    4478                 :             : } // namespace wallet
        

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