LCOV - code coverage report
Current view: top level - src/wallet - wallet.cpp (source / functions) Coverage Total Hit
Test: test_bitcoin_coverage.info Lines: 41.8 % 2421 1011
Test Date: 2025-06-25 04:50:20 Functions: 56.4 % 211 119
Branches: 21.4 % 3853 826

             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                 :           5 : bool AddWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
      95                 :             : {
      96                 :          10 :     const auto update_function = [&wallet_name](common::SettingsValue& setting_value) {
      97         [ +  + ]:           5 :         if (!setting_value.isArray()) setting_value.setArray();
      98         [ +  + ]:          15 :         for (const auto& value : setting_value.getValues()) {
      99   [ +  -  +  - ]:          10 :             if (value.isStr() && value.get_str() == wallet_name) return interfaces::SettingsAction::SKIP_WRITE;
     100                 :             :         }
     101         [ +  - ]:           5 :         setting_value.push_back(wallet_name);
     102                 :           5 :         return interfaces::SettingsAction::WRITE;
     103                 :           5 :     };
     104   [ +  -  +  - ]:           5 :     return chain.updateRwSetting("wallet", update_function);
     105                 :             : }
     106                 :             : 
     107                 :           5 : bool RemoveWalletSetting(interfaces::Chain& chain, const std::string& wallet_name)
     108                 :             : {
     109                 :          10 :     const auto update_function = [&wallet_name](common::SettingsValue& setting_value) {
     110         [ +  - ]:           5 :         if (!setting_value.isArray()) return interfaces::SettingsAction::SKIP_WRITE;
     111                 :           5 :         common::SettingsValue new_value(common::SettingsValue::VARR);
     112   [ +  -  +  + ]:          20 :         for (const auto& value : setting_value.getValues()) {
     113   [ +  -  +  -  :          15 :             if (!value.isStr() || value.get_str() != wallet_name) new_value.push_back(value);
          +  +  +  -  +  
                      - ]
     114                 :             :         }
     115         [ +  - ]:           5 :         if (new_value.size() == setting_value.size()) return interfaces::SettingsAction::SKIP_WRITE;
     116                 :           5 :         setting_value = std::move(new_value);
     117                 :           5 :         return interfaces::SettingsAction::WRITE;
     118                 :           5 :     };
     119   [ +  -  +  - ]:           5 :     return chain.updateRwSetting("wallet", update_function);
     120                 :             : }
     121                 :             : 
     122                 :           0 : 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         [ #  # ]:           0 :     if (!load_on_startup) return;
     128   [ #  #  #  # ]:           0 :     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   [ #  #  #  # ]:           0 :     } 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                 :          10 : static void RefreshMempoolStatus(CWalletTx& tx, interfaces::Chain& chain)
     141                 :             : {
     142         [ +  + ]:          10 :     if (chain.isInMempool(tx.GetHash())) {
     143         [ -  + ]:           6 :         tx.m_state = TxStateInMempool();
     144         [ +  + ]:           4 :     } else if (tx.state<TxStateInMempool>()) {
     145         [ -  + ]:           1 :         tx.m_state = TxStateInactive();
     146                 :             :     }
     147                 :          10 : }
     148                 :             : 
     149                 :           0 : bool AddWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     150                 :             : {
     151                 :           0 :     LOCK(context.wallets_mutex);
     152         [ #  # ]:           0 :     assert(wallet);
     153         [ #  # ]:           0 :     std::vector<std::shared_ptr<CWallet>>::const_iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     154         [ #  # ]:           0 :     if (i != context.wallets.end()) return false;
     155         [ #  # ]:           0 :     context.wallets.push_back(wallet);
     156         [ #  # ]:           0 :     wallet->ConnectScriptPubKeyManNotifiers();
     157         [ #  # ]:           0 :     wallet->NotifyCanGetAddressesChanged();
     158                 :             :     return true;
     159                 :           0 : }
     160                 :             : 
     161                 :           0 : bool RemoveWallet(WalletContext& context, const std::shared_ptr<CWallet>& wallet, std::optional<bool> load_on_start, std::vector<bilingual_str>& warnings)
     162                 :             : {
     163         [ #  # ]:           0 :     assert(wallet);
     164                 :             : 
     165                 :           0 :     interfaces::Chain& chain = wallet->chain();
     166                 :           0 :     std::string name = wallet->GetName();
     167   [ #  #  #  # ]:           0 :     WITH_LOCK(wallet->cs_wallet, wallet->WriteBestBlock());
     168                 :             : 
     169                 :             :     // Unregister with the validation interface which also drops shared pointers.
     170         [ #  # ]:           0 :     wallet->m_chain_notifications_handler.reset();
     171                 :           0 :     {
     172         [ #  # ]:           0 :         LOCK(context.wallets_mutex);
     173         [ #  # ]:           0 :         std::vector<std::shared_ptr<CWallet>>::iterator i = std::find(context.wallets.begin(), context.wallets.end(), wallet);
     174   [ #  #  #  # ]:           0 :         if (i == context.wallets.end()) return false;
     175         [ #  # ]:           0 :         context.wallets.erase(i);
     176                 :           0 :     }
     177                 :             :     // Notify unload so that upper layers release the shared pointer.
     178         [ #  # ]:           0 :     wallet->NotifyUnload();
     179                 :             : 
     180                 :             :     // Write the wallet setting
     181         [ #  # ]:           0 :     UpdateWalletSetting(chain, name, load_on_start, warnings);
     182                 :             : 
     183                 :             :     return true;
     184                 :           0 : }
     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                 :          24 : std::vector<std::shared_ptr<CWallet>> GetWallets(WalletContext& context)
     193                 :             : {
     194                 :          24 :     LOCK(context.wallets_mutex);
     195         [ +  - ]:          24 :     return context.wallets;
     196                 :          24 : }
     197                 :             : 
     198                 :           0 : std::shared_ptr<CWallet> GetDefaultWallet(WalletContext& context, size_t& count)
     199                 :             : {
     200                 :           0 :     LOCK(context.wallets_mutex);
     201         [ #  # ]:           0 :     count = context.wallets.size();
     202   [ #  #  #  #  :           0 :     return count == 1 ? context.wallets[0] : nullptr;
                   #  # ]
     203                 :           0 : }
     204                 :             : 
     205                 :           0 : std::shared_ptr<CWallet> GetWallet(WalletContext& context, const std::string& name)
     206                 :             : {
     207                 :           0 :     LOCK(context.wallets_mutex);
     208         [ #  # ]:           0 :     for (const std::shared_ptr<CWallet>& wallet : context.wallets) {
     209   [ #  #  #  #  :           0 :         if (wallet->GetName() == name) return wallet;
                   #  # ]
     210                 :             :     }
     211                 :           0 :     return nullptr;
     212                 :           0 : }
     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                 :           5 : void NotifyWalletLoaded(WalletContext& context, const std::shared_ptr<CWallet>& wallet)
     222                 :             : {
     223                 :           5 :     LOCK(context.wallets_mutex);
     224         [ +  + ]:           6 :     for (auto& load_wallet : context.wallet_load_fns) {
     225   [ +  -  +  - ]:           1 :         load_wallet(interfaces::MakeWallet(context, wallet));
     226                 :             :     }
     227                 :           5 : }
     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                 :           5 : static void FlushAndDeleteWallet(CWallet* wallet)
     237                 :             : {
     238                 :           5 :     const std::string name = wallet->GetName();
     239         [ +  - ]:           5 :     wallet->WalletLogPrintf("Releasing wallet %s..\n", name);
     240                 :           5 :     delete wallet;
     241                 :             :     // Wallet is now released, notify WaitForDeleteWallet, if any.
     242                 :           5 :     {
     243         [ +  - ]:           5 :         LOCK(g_wallet_release_mutex);
     244         [ -  + ]:           5 :         if (g_unloading_wallet_set.erase(name) == 0) {
     245                 :             :             // WaitForDeleteWallet was not called for this wallet, all done.
     246         [ #  # ]:           0 :             return;
     247                 :             :         }
     248                 :           0 :     }
     249                 :           5 :     g_wallet_release_cv.notify_all();
     250                 :           5 : }
     251                 :             : 
     252                 :           5 : void WaitForDeleteWallet(std::shared_ptr<CWallet>&& wallet)
     253                 :             : {
     254                 :             :     // Mark wallet for unloading.
     255                 :           5 :     const std::string name = wallet->GetName();
     256                 :           5 :     {
     257         [ +  - ]:           5 :         LOCK(g_wallet_release_mutex);
     258         [ +  - ]:           5 :         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                 :           5 :     wallet.reset();
     265                 :           5 :     {
     266         [ +  - ]:           5 :         WAIT_LOCK(g_wallet_release_mutex, lock);
     267         [ -  + ]:           5 :         while (g_unloading_wallet_set.count(name) == 1) {
     268         [ #  # ]:           0 :             g_wallet_release_cv.wait(lock);
     269                 :             :         }
     270                 :           5 :     }
     271                 :           5 : }
     272                 :             : 
     273                 :             : namespace {
     274                 :           0 : 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                 :           0 :     try {
     277         [ #  # ]:           0 :         std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     278         [ #  # ]:           0 :         if (!database) {
     279   [ #  #  #  #  :           0 :             error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                      # ]
     280                 :           0 :             return nullptr;
     281                 :             :         }
     282                 :             : 
     283   [ #  #  #  # ]:           0 :         context.chain->initMessage(_("Loading wallet…"));
     284         [ #  # ]:           0 :         std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), options.create_flags, error, warnings);
     285         [ #  # ]:           0 :         if (!wallet) {
     286   [ #  #  #  #  :           0 :             error = Untranslated("Wallet loading failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                      # ]
     287                 :           0 :             status = DatabaseStatus::FAILED_LOAD;
     288                 :           0 :             return nullptr;
     289                 :             :         }
     290                 :             : 
     291         [ #  # ]:           0 :         NotifyWalletLoaded(context, wallet);
     292         [ #  # ]:           0 :         AddWallet(context, wallet);
     293         [ #  # ]:           0 :         wallet->postInitProcess();
     294                 :             : 
     295                 :             :         // Write the wallet setting
     296         [ #  # ]:           0 :         UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     297                 :             : 
     298                 :           0 :         return wallet;
     299         [ #  # ]:           0 :     } 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         [ #  # ]:           0 :     FastWalletRescanFilter(const CWallet& wallet) : m_wallet(wallet)
     310                 :             :     {
     311                 :             :         // create initial filter with scripts from all ScriptPubKeyMans
     312   [ #  #  #  # ]:           0 :         for (auto spkm : m_wallet.GetAllScriptPubKeyMans()) {
     313         [ #  # ]:           0 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(spkm)};
     314         [ #  # ]:           0 :             assert(desc_spkm != nullptr);
     315         [ #  # ]:           0 :             AddScriptPubKeys(desc_spkm);
     316                 :             :             // save each range descriptor's end for possible future filter updates
     317   [ #  #  #  # ]:           0 :             if (desc_spkm->IsHDEnabled()) {
     318   [ #  #  #  #  :           0 :                 m_last_range_ends.emplace(desc_spkm->GetID(), desc_spkm->GetEndRange());
                   #  # ]
     319                 :             :             }
     320                 :           0 :         }
     321                 :           0 :     }
     322                 :             : 
     323                 :           0 :     void UpdateIfNeeded()
     324                 :             :     {
     325                 :             :         // repopulate filter with new scripts if top-up has happened since last iteration
     326         [ #  # ]:           0 :         for (const auto& [desc_spkm_id, last_range_end] : m_last_range_ends) {
     327         [ #  # ]:           0 :             auto desc_spkm{dynamic_cast<DescriptorScriptPubKeyMan*>(m_wallet.GetScriptPubKeyMan(desc_spkm_id))};
     328         [ #  # ]:           0 :             assert(desc_spkm != nullptr);
     329                 :           0 :             int32_t current_range_end{desc_spkm->GetEndRange()};
     330         [ #  # ]:           0 :             if (current_range_end > last_range_end) {
     331                 :           0 :                 AddScriptPubKeys(desc_spkm, last_range_end);
     332                 :           0 :                 m_last_range_ends.at(desc_spkm->GetID()) = current_range_end;
     333                 :             :             }
     334                 :             :         }
     335                 :           0 :     }
     336                 :             : 
     337                 :           0 :     std::optional<bool> MatchesBlock(const uint256& block_hash) const
     338                 :             :     {
     339                 :           0 :         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                 :           0 :     void AddScriptPubKeys(const DescriptorScriptPubKeyMan* desc_spkm, int32_t last_range_end = 0)
     354                 :             :     {
     355   [ #  #  #  # ]:           0 :         for (const auto& script_pub_key : desc_spkm->GetScriptPubKeys(last_range_end)) {
     356   [ #  #  #  # ]:           0 :             m_filter_set.emplace(script_pub_key.begin(), script_pub_key.end());
     357                 :           0 :         }
     358                 :           0 :     }
     359                 :             : };
     360                 :             : } // namespace
     361                 :             : 
     362                 :           0 : std::shared_ptr<CWallet> LoadWallet(WalletContext& context, const std::string& name, std::optional<bool> load_on_start, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
     363                 :             : {
     364         [ #  # ]:           0 :     auto result = WITH_LOCK(g_loading_wallet_mutex, return g_loading_wallet_set.insert(name));
     365         [ #  # ]:           0 :     if (!result.second) {
     366         [ #  # ]:           0 :         error = Untranslated("Wallet already loading.");
     367                 :           0 :         status = DatabaseStatus::FAILED_LOAD;
     368                 :           0 :         return nullptr;
     369                 :             :     }
     370                 :           0 :     auto wallet = LoadWalletInternal(context, name, load_on_start, options, status, error, warnings);
     371   [ #  #  #  # ]:           0 :     WITH_LOCK(g_loading_wallet_mutex, g_loading_wallet_set.erase(result.first));
     372         [ #  # ]:           0 :     return wallet;
     373                 :           0 : }
     374                 :             : 
     375                 :           0 : std::shared_ptr<CWallet> CreateWallet(WalletContext& context, const std::string& name, std::optional<bool> load_on_start, DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings)
     376                 :             : {
     377                 :           0 :     uint64_t wallet_creation_flags = options.create_flags;
     378                 :           0 :     const SecureString& passphrase = options.create_passphrase;
     379                 :             : 
     380                 :             :     // Only descriptor wallets can be created
     381                 :           0 :     Assert(wallet_creation_flags & WALLET_FLAG_DESCRIPTORS);
     382         [ #  # ]:           0 :     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                 :           0 :     bool create_blank = (wallet_creation_flags & WALLET_FLAG_BLANK_WALLET);
     386                 :             : 
     387                 :             :     // Born encrypted wallets need to be created blank first.
     388         [ #  # ]:           0 :     if (!passphrase.empty()) {
     389                 :           0 :         wallet_creation_flags |= WALLET_FLAG_BLANK_WALLET;
     390                 :             :     }
     391                 :             : 
     392                 :             :     // Private keys must be disabled for an external signer wallet
     393         [ #  # ]:           0 :     if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     394         [ #  # ]:           0 :         error = Untranslated("Private keys must be disabled when using an external signer");
     395                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     396                 :           0 :         return nullptr;
     397                 :             :     }
     398                 :             : 
     399                 :             :     // Do not allow a passphrase when private keys are disabled
     400   [ #  #  #  # ]:           0 :     if (!passphrase.empty() && (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     401         [ #  # ]:           0 :         error = Untranslated("Passphrase provided but private keys are disabled. A passphrase is only used to encrypt private keys, so cannot be used for wallets with private keys disabled.");
     402                 :           0 :         status = DatabaseStatus::FAILED_CREATE;
     403                 :           0 :         return nullptr;
     404                 :             :     }
     405                 :             : 
     406                 :             :     // Wallet::Verify will check if we're trying to create a wallet with a duplicate name.
     407                 :           0 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(name, options, status, error);
     408         [ #  # ]:           0 :     if (!database) {
     409   [ #  #  #  #  :           0 :         error = Untranslated("Wallet file verification failed.") + Untranslated(" ") + error;
          #  #  #  #  #  
                      # ]
     410                 :           0 :         status = DatabaseStatus::FAILED_VERIFY;
     411                 :           0 :         return nullptr;
     412                 :             :     }
     413                 :             : 
     414                 :             :     // Make the wallet
     415   [ #  #  #  # ]:           0 :     context.chain->initMessage(_("Loading wallet…"));
     416         [ #  # ]:           0 :     std::shared_ptr<CWallet> wallet = CWallet::Create(context, name, std::move(database), wallet_creation_flags, error, warnings);
     417         [ #  # ]:           0 :     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   [ #  #  #  # ]:           0 :     if (!passphrase.empty() && !(wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
     425   [ #  #  #  # ]:           0 :         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         [ #  # ]:           0 :         if (!create_blank) {
     431                 :             :             // Unlock the wallet
     432   [ #  #  #  # ]:           0 :             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                 :           0 :             {
     440         [ #  # ]:           0 :                 LOCK(wallet->cs_wallet);
     441         [ #  # ]:           0 :                 wallet->SetupDescriptorScriptPubKeyMans();
     442                 :           0 :             }
     443                 :             : 
     444                 :             :             // Relock the wallet
     445         [ #  # ]:           0 :             wallet->Lock();
     446                 :             :         }
     447                 :             :     }
     448                 :             : 
     449         [ #  # ]:           0 :     NotifyWalletLoaded(context, wallet);
     450         [ #  # ]:           0 :     AddWallet(context, wallet);
     451         [ #  # ]:           0 :     wallet->postInitProcess();
     452                 :             : 
     453                 :             :     // Write the wallet settings
     454         [ #  # ]:           0 :     UpdateWalletSetting(*context.chain, name, load_on_start, warnings);
     455                 :             : 
     456                 :           0 :     status = DatabaseStatus::SUCCESS;
     457                 :           0 :     return wallet;
     458                 :           0 : }
     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                 :           0 : std::shared_ptr<CWallet> RestoreWallet(WalletContext& context, const fs::path& backup_file, const std::string& wallet_name, std::optional<bool> load_on_start, DatabaseStatus& status, bilingual_str& error, std::vector<bilingual_str>& warnings, bool load_after_restore)
     463                 :             : {
     464         [ #  # ]:           0 :     DatabaseOptions options;
     465         [ #  # ]:           0 :     ReadDatabaseArgs(*context.args, options);
     466                 :           0 :     options.require_existing = true;
     467                 :             : 
     468   [ #  #  #  #  :           0 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::u8path(wallet_name));
                   #  # ]
     469   [ #  #  #  # ]:           0 :     auto wallet_file = wallet_path / "wallet.dat";
     470                 :           0 :     std::shared_ptr<CWallet> wallet;
     471                 :             : 
     472                 :           0 :     try {
     473   [ #  #  #  # ]:           0 :         if (!fs::exists(backup_file)) {
     474   [ #  #  #  # ]:           0 :             error = Untranslated("Backup file does not exist");
     475                 :           0 :             status = DatabaseStatus::FAILED_INVALID_BACKUP_FILE;
     476                 :           0 :             return nullptr;
     477                 :             :         }
     478                 :             : 
     479   [ #  #  #  #  :           0 :         if (fs::exists(wallet_path) || !TryCreateDirectories(wallet_path)) {
             #  #  #  # ]
     480   [ #  #  #  #  :           0 :             error = Untranslated(strprintf("Failed to create database path '%s'. Database already exists.", fs::PathToString(wallet_path)));
                   #  # ]
     481                 :           0 :             status = DatabaseStatus::FAILED_ALREADY_EXISTS;
     482                 :           0 :             return nullptr;
     483                 :             :         }
     484                 :             : 
     485         [ #  # ]:           0 :         fs::copy_file(backup_file, wallet_file, fs::copy_options::none);
     486                 :             : 
     487         [ #  # ]:           0 :         if (load_after_restore) {
     488   [ #  #  #  # ]:           0 :             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   [ #  #  #  # ]:           0 :     if (load_after_restore && !wallet) {
     498         [ #  # ]:           0 :         fs::remove_all(wallet_path);
     499                 :             :     }
     500                 :             : 
     501                 :           0 :     return wallet;
     502                 :           0 : }
     503                 :             : 
     504                 :             : /** @defgroup mapWallet
     505                 :             :  *
     506                 :             :  * @{
     507                 :             :  */
     508                 :             : 
     509                 :          22 : const CWalletTx* CWallet::GetWalletTx(const Txid& hash) const
     510                 :             : {
     511                 :          22 :     AssertLockHeld(cs_wallet);
     512                 :          22 :     const auto it = mapWallet.find(hash);
     513         [ +  + ]:          22 :     if (it == mapWallet.end())
     514                 :             :         return nullptr;
     515                 :          16 :     return &(it->second);
     516                 :             : }
     517                 :             : 
     518                 :          50 : void CWallet::UpgradeDescriptorCache()
     519                 :             : {
     520   [ +  +  +  -  :          50 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS) || IsLocked() || IsWalletFlagSet(WALLET_FLAG_LAST_HARDENED_XPUB_CACHED)) {
                   +  + ]
     521                 :          49 :         return;
     522                 :             :     }
     523                 :             : 
     524         [ +  + ]:          10 :     for (ScriptPubKeyMan* spkm : GetAllScriptPubKeyMans()) {
     525         [ +  - ]:           9 :         DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
     526         [ +  - ]:           9 :         desc_spkm->UpgradeDescriptorCache();
     527                 :           1 :     }
     528                 :           1 :     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                 :           0 : static bool EncryptMasterKey(const SecureString& wallet_passphrase, const CKeyingMaterial& plain_master_key, CMasterKey& master_key)
     534                 :             : {
     535                 :           0 :     constexpr MillisecondsDouble target{100};
     536                 :           0 :     auto start{SteadyClock::now()};
     537                 :           0 :     CCrypter crypter;
     538                 :             : 
     539         [ #  # ]:           0 :     crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod);
     540                 :           0 :     master_key.nDeriveIterations = static_cast<unsigned int>(master_key.nDeriveIterations * target / (SteadyClock::now() - start));
     541                 :             : 
     542                 :           0 :     start = SteadyClock::now();
     543         [ #  # ]:           0 :     crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod);
     544                 :           0 :     master_key.nDeriveIterations = (master_key.nDeriveIterations + static_cast<unsigned int>(master_key.nDeriveIterations * target / (SteadyClock::now() - start))) / 2;
     545                 :             : 
     546         [ #  # ]:           0 :     if (master_key.nDeriveIterations < CMasterKey::DEFAULT_DERIVE_ITERATIONS) {
     547                 :           0 :         master_key.nDeriveIterations = CMasterKey::DEFAULT_DERIVE_ITERATIONS;
     548                 :             :     }
     549                 :             : 
     550   [ #  #  #  # ]:           0 :     if (!crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod)) {
     551                 :             :         return false;
     552                 :             :     }
     553   [ #  #  #  # ]:           0 :     if (!crypter.Encrypt(plain_master_key, master_key.vchCryptedKey)) {
     554                 :           0 :         return false;
     555                 :             :     }
     556                 :             : 
     557                 :             :     return true;
     558                 :           0 : }
     559                 :             : 
     560                 :           0 : static bool DecryptMasterKey(const SecureString& wallet_passphrase, const CMasterKey& master_key, CKeyingMaterial& plain_master_key)
     561                 :             : {
     562                 :           0 :     CCrypter crypter;
     563   [ #  #  #  # ]:           0 :     if (!crypter.SetKeyFromPassphrase(wallet_passphrase, master_key.vchSalt, master_key.nDeriveIterations, master_key.nDerivationMethod)) {
     564                 :             :         return false;
     565                 :             :     }
     566   [ #  #  #  # ]:           0 :     if (!crypter.Decrypt(master_key.vchCryptedKey, plain_master_key)) {
     567                 :           0 :         return false;
     568                 :             :     }
     569                 :             : 
     570                 :             :     return true;
     571                 :           0 : }
     572                 :             : 
     573                 :           0 : bool CWallet::Unlock(const SecureString& strWalletPassphrase)
     574                 :             : {
     575                 :           0 :     CKeyingMaterial plain_master_key;
     576                 :             : 
     577                 :           0 :     {
     578         [ #  # ]:           0 :         LOCK(cs_wallet);
     579   [ #  #  #  # ]:           0 :         for (const auto& [_, master_key] : mapMasterKeys)
     580                 :             :         {
     581   [ #  #  #  # ]:           0 :             if (!DecryptMasterKey(strWalletPassphrase, master_key, plain_master_key)) {
     582                 :           0 :                 continue; // try another master key
     583                 :             :             }
     584   [ #  #  #  # ]:           0 :             if (Unlock(plain_master_key)) {
     585                 :             :                 // Now that we've unlocked, upgrade the descriptor cache
     586         [ #  # ]:           0 :                 UpgradeDescriptorCache();
     587         [ #  # ]:           0 :                 return true;
     588                 :             :             }
     589                 :             :         }
     590                 :           0 :     }
     591                 :           0 :     return false;
     592                 :           0 : }
     593                 :             : 
     594                 :           0 : bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
     595                 :             : {
     596                 :           0 :     bool fWasLocked = IsLocked();
     597                 :             : 
     598                 :           0 :     {
     599         [ #  # ]:           0 :         LOCK2(m_relock_mutex, cs_wallet);
     600         [ #  # ]:           0 :         Lock();
     601                 :             : 
     602                 :           0 :         CKeyingMaterial plain_master_key;
     603   [ #  #  #  # ]:           0 :         for (auto& [master_key_id, master_key] : mapMasterKeys)
     604                 :             :         {
     605   [ #  #  #  # ]:           0 :             if (!DecryptMasterKey(strOldWalletPassphrase, master_key, plain_master_key)) {
     606                 :             :                 return false;
     607                 :             :             }
     608   [ #  #  #  # ]:           0 :             if (Unlock(plain_master_key))
     609                 :             :             {
     610   [ #  #  #  # ]:           0 :                 if (!EncryptMasterKey(strNewWalletPassphrase, plain_master_key, master_key)) {
     611                 :             :                     return false;
     612                 :             :                 }
     613         [ #  # ]:           0 :                 WalletLogPrintf("Wallet passphrase changed to an nDeriveIterations of %i\n", master_key.nDeriveIterations);
     614                 :             : 
     615   [ #  #  #  # ]:           0 :                 WalletBatch(GetDatabase()).WriteMasterKey(master_key_id, master_key);
     616         [ #  # ]:           0 :                 if (fWasLocked)
     617         [ #  # ]:           0 :                     Lock();
     618                 :           0 :                 return true;
     619                 :             :             }
     620                 :             :         }
     621   [ #  #  #  #  :           0 :     }
             #  #  #  # ]
     622                 :             : 
     623                 :           0 :     return false;
     624                 :             : }
     625                 :             : 
     626                 :          25 : void CWallet::SetLastBlockProcessedInMem(int block_height, uint256 block_hash)
     627                 :             : {
     628                 :          25 :     AssertLockHeld(cs_wallet);
     629                 :             : 
     630                 :          25 :     m_last_block_processed = block_hash;
     631                 :          25 :     m_last_block_processed_height = block_height;
     632                 :          25 : }
     633                 :             : 
     634                 :          18 : void CWallet::SetLastBlockProcessed(int block_height, uint256 block_hash)
     635                 :             : {
     636                 :          18 :     AssertLockHeld(cs_wallet);
     637                 :             : 
     638                 :          18 :     SetLastBlockProcessedInMem(block_height, block_hash);
     639                 :          18 :     WriteBestBlock();
     640                 :          18 : }
     641                 :             : 
     642                 :           4 : void CWallet::SetMinVersion(enum WalletFeature nVersion, WalletBatch* batch_in)
     643                 :             : {
     644                 :           4 :     LOCK(cs_wallet);
     645         [ -  + ]:           4 :     if (nWalletVersion >= nVersion)
     646         [ #  # ]:           0 :         return;
     647         [ +  - ]:           4 :     WalletLogPrintf("Setting minversion to %d\n", nVersion);
     648                 :           4 :     nWalletVersion = nVersion;
     649                 :             : 
     650                 :           4 :     {
     651   [ +  -  +  -  :           4 :         WalletBatch* batch = batch_in ? batch_in : new WalletBatch(GetDatabase());
                   +  - ]
     652         [ +  - ]:           4 :         if (nWalletVersion > 40000)
     653         [ +  - ]:           4 :             batch->WriteMinVersion(nWalletVersion);
     654         [ +  - ]:           4 :         if (!batch_in)
     655         [ +  - ]:           8 :             delete batch;
     656                 :             :     }
     657                 :           4 : }
     658                 :             : 
     659                 :           0 : std::set<Txid> CWallet::GetConflicts(const Txid& txid) const
     660                 :             : {
     661         [ #  # ]:           0 :     std::set<Txid> result;
     662                 :           0 :     AssertLockHeld(cs_wallet);
     663                 :             : 
     664         [ #  # ]:           0 :     const auto it = mapWallet.find(txid);
     665         [ #  # ]:           0 :     if (it == mapWallet.end())
     666                 :             :         return result;
     667                 :           0 :     const CWalletTx& wtx = it->second;
     668                 :             : 
     669                 :           0 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     670                 :             : 
     671         [ #  # ]:           0 :     for (const CTxIn& txin : wtx.tx->vin)
     672                 :             :     {
     673         [ #  # ]:           0 :         if (mapTxSpends.count(txin.prevout) <= 1)
     674                 :           0 :             continue;  // No conflict if zero or one spends
     675                 :           0 :         range = mapTxSpends.equal_range(txin.prevout);
     676         [ #  # ]:           0 :         for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it)
     677         [ #  # ]:           0 :             result.insert(_it->second);
     678                 :             :     }
     679                 :             :     return result;
     680                 :           0 : }
     681                 :             : 
     682                 :           2 : bool CWallet::HasWalletSpend(const CTransactionRef& tx) const
     683                 :             : {
     684                 :           2 :     AssertLockHeld(cs_wallet);
     685                 :           2 :     const Txid& txid = tx->GetHash();
     686         [ +  + ]:           4 :     for (unsigned int i = 0; i < tx->vout.size(); ++i) {
     687         [ +  + ]:           3 :         if (IsSpent(COutPoint(txid, i))) {
     688                 :             :             return true;
     689                 :             :         }
     690                 :             :     }
     691                 :             :     return false;
     692                 :             : }
     693                 :             : 
     694                 :           0 : void CWallet::Close()
     695                 :             : {
     696                 :           0 :     GetDatabase().Close();
     697                 :           0 : }
     698                 :             : 
     699                 :          15 : 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                 :          15 :     int nMinOrderPos = std::numeric_limits<int>::max();
     706                 :          15 :     const CWalletTx* copyFrom = nullptr;
     707         [ +  + ]:          30 :     for (TxSpends::iterator it = range.first; it != range.second; ++it) {
     708                 :          15 :         const CWalletTx* wtx = &mapWallet.at(it->second);
     709         [ +  - ]:          15 :         if (wtx->nOrderPos < nMinOrderPos) {
     710                 :          15 :             nMinOrderPos = wtx->nOrderPos;
     711                 :          15 :             copyFrom = wtx;
     712                 :             :         }
     713                 :             :     }
     714                 :             : 
     715         [ +  - ]:          15 :     if (!copyFrom) {
     716                 :             :         return;
     717                 :             :     }
     718                 :             : 
     719                 :             :     // Now copy data from copyFrom to rest:
     720         [ +  + ]:          30 :     for (TxSpends::iterator it = range.first; it != range.second; ++it)
     721                 :             :     {
     722                 :          15 :         const Txid& hash = it->second;
     723                 :          15 :         CWalletTx* copyTo = &mapWallet.at(hash);
     724         [ +  - ]:          15 :         if (copyFrom == copyTo) continue;
     725                 :           0 :         assert(copyFrom && "Oldest wallet transaction in range assumed to have been found.");
     726         [ #  # ]:           0 :         if (!copyFrom->IsEquivalentTo(*copyTo)) continue;
     727                 :           0 :         copyTo->mapValue = copyFrom->mapValue;
     728                 :           0 :         copyTo->vOrderForm = copyFrom->vOrderForm;
     729                 :             :         // fTimeReceivedIsTxTime not copied on purpose
     730                 :             :         // nTimeReceived not copied on purpose
     731                 :           0 :         copyTo->nTimeSmart = copyFrom->nTimeSmart;
     732                 :             :         // nOrderPos not copied on purpose
     733                 :             :         // cached members not copied on purpose
     734                 :             :     }
     735                 :             : }
     736                 :             : 
     737                 :             : /**
     738                 :             :  * Outpoint is spent if any non-conflicted transaction
     739                 :             :  * spends it:
     740                 :             :  */
     741                 :          82 : bool CWallet::IsSpent(const COutPoint& outpoint) const
     742                 :             : {
     743                 :          82 :     std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
     744                 :          82 :     range = mapTxSpends.equal_range(outpoint);
     745                 :             : 
     746         [ +  + ]:          82 :     for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
     747                 :          22 :         const Txid& txid = it->second;
     748                 :          22 :         const auto mit = mapWallet.find(txid);
     749         [ +  - ]:          22 :         if (mit != mapWallet.end()) {
     750         [ +  + ]:          22 :             const auto& wtx = mit->second;
     751   [ +  +  +  -  :          23 :             if (!wtx.isAbandoned() && !wtx.isBlockConflicted() && !wtx.isMempoolConflicted())
                   -  + ]
     752                 :             :                 return true; // Spent
     753                 :             :         }
     754                 :             :     }
     755                 :             :     return false;
     756                 :             : }
     757                 :             : 
     758                 :          15 : void CWallet::AddToSpends(const COutPoint& outpoint, const Txid& txid, WalletBatch* batch)
     759                 :             : {
     760                 :          15 :     mapTxSpends.insert(std::make_pair(outpoint, txid));
     761                 :             : 
     762         [ +  + ]:          15 :     if (batch) {
     763                 :          13 :         UnlockCoin(outpoint, batch);
     764                 :             :     } else {
     765                 :           2 :         WalletBatch temp_batch(GetDatabase());
     766         [ +  - ]:           2 :         UnlockCoin(outpoint, &temp_batch);
     767                 :           2 :     }
     768                 :             : 
     769                 :          15 :     std::pair<TxSpends::iterator, TxSpends::iterator> range;
     770                 :          15 :     range = mapTxSpends.equal_range(outpoint);
     771                 :          15 :     SyncMetaData(range);
     772                 :          15 : }
     773                 :             : 
     774                 :             : 
     775                 :         430 : void CWallet::AddToSpends(const CWalletTx& wtx, WalletBatch* batch)
     776                 :             : {
     777         [ +  + ]:         430 :     if (wtx.IsCoinBase()) // Coinbases don't spend anything!
     778                 :             :         return;
     779                 :             : 
     780         [ +  + ]:          35 :     for (const CTxIn& txin : wtx.tx->vin)
     781                 :          15 :         AddToSpends(txin.prevout, wtx.GetHash(), batch);
     782                 :             : }
     783                 :             : 
     784                 :           0 : bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
     785                 :             : {
     786                 :             :     // Only descriptor wallets can be encrypted
     787                 :           0 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
     788                 :             : 
     789         [ #  # ]:           0 :     if (IsCrypted())
     790                 :             :         return false;
     791                 :             : 
     792                 :           0 :     CKeyingMaterial plain_master_key;
     793                 :             : 
     794         [ #  # ]:           0 :     plain_master_key.resize(WALLET_CRYPTO_KEY_SIZE);
     795                 :           0 :     GetStrongRandBytes(plain_master_key);
     796                 :             : 
     797         [ #  # ]:           0 :     CMasterKey master_key;
     798                 :             : 
     799         [ #  # ]:           0 :     master_key.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
     800                 :           0 :     GetStrongRandBytes(master_key.vchSalt);
     801                 :             : 
     802   [ #  #  #  # ]:           0 :     if (!EncryptMasterKey(strWalletPassphrase, plain_master_key, master_key)) {
     803                 :             :         return false;
     804                 :             :     }
     805         [ #  # ]:           0 :     WalletLogPrintf("Encrypting Wallet with an nDeriveIterations of %i\n", master_key.nDeriveIterations);
     806                 :             : 
     807                 :           0 :     {
     808   [ #  #  #  # ]:           0 :         LOCK2(m_relock_mutex, cs_wallet);
     809   [ #  #  #  # ]:           0 :         mapMasterKeys[++nMasterKeyMaxID] = master_key;
     810   [ #  #  #  # ]:           0 :         WalletBatch* encrypted_batch = new WalletBatch(GetDatabase());
     811   [ #  #  #  # ]:           0 :         if (!encrypted_batch->TxnBegin()) {
     812         [ #  # ]:           0 :             delete encrypted_batch;
     813                 :           0 :             encrypted_batch = nullptr;
     814         [ #  # ]:           0 :             return false;
     815                 :             :         }
     816         [ #  # ]:           0 :         encrypted_batch->WriteMasterKey(nMasterKeyMaxID, master_key);
     817                 :             : 
     818         [ #  # ]:           0 :         for (const auto& spk_man_pair : m_spk_managers) {
     819         [ #  # ]:           0 :             auto spk_man = spk_man_pair.second.get();
     820   [ #  #  #  # ]:           0 :             if (!spk_man->Encrypt(plain_master_key, encrypted_batch)) {
     821         [ #  # ]:           0 :                 encrypted_batch->TxnAbort();
     822                 :           0 :                 delete encrypted_batch;
     823                 :           0 :                 encrypted_batch = nullptr;
     824                 :             :                 // We now probably have half of our keys encrypted in memory, and half not...
     825                 :             :                 // die and let the user reload the unencrypted wallet.
     826                 :           0 :                 assert(false);
     827                 :             :             }
     828                 :             :         }
     829                 :             : 
     830                 :             :         // Encryption was introduced in version 0.4.0
     831         [ #  # ]:           0 :         SetMinVersion(FEATURE_WALLETCRYPT, encrypted_batch);
     832                 :             : 
     833   [ #  #  #  # ]:           0 :         if (!encrypted_batch->TxnCommit()) {
     834         [ #  # ]:           0 :             delete encrypted_batch;
     835                 :           0 :             encrypted_batch = nullptr;
     836                 :             :             // We now have keys encrypted in memory, but not on disk...
     837                 :             :             // die to avoid confusion and let the user reload the unencrypted wallet.
     838                 :           0 :             assert(false);
     839                 :             :         }
     840                 :             : 
     841         [ #  # ]:           0 :         delete encrypted_batch;
     842                 :           0 :         encrypted_batch = nullptr;
     843                 :             : 
     844         [ #  # ]:           0 :         Lock();
     845         [ #  # ]:           0 :         Unlock(strWalletPassphrase);
     846                 :             : 
     847                 :             :         // Make new descriptors with a new seed
     848   [ #  #  #  # ]:           0 :         if (!IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET)) {
     849         [ #  # ]:           0 :             SetupDescriptorScriptPubKeyMans();
     850                 :             :         }
     851         [ #  # ]:           0 :         Lock();
     852                 :             : 
     853                 :             :         // Need to completely rewrite the wallet file; if we don't, the database might keep
     854                 :             :         // bits of the unencrypted private key in slack space in the database file.
     855         [ #  # ]:           0 :         GetDatabase().Rewrite();
     856   [ #  #  #  # ]:           0 :     }
     857         [ #  # ]:           0 :     NotifyStatusChanged(this);
     858                 :             : 
     859                 :             :     return true;
     860                 :           0 : }
     861                 :             : 
     862                 :           0 : DBErrors CWallet::ReorderTransactions()
     863                 :             : {
     864                 :           0 :     LOCK(cs_wallet);
     865         [ #  # ]:           0 :     WalletBatch batch(GetDatabase());
     866                 :             : 
     867                 :             :     // Old wallets didn't have any defined order for transactions
     868                 :             :     // Probably a bad idea to change the output of this
     869                 :             : 
     870                 :             :     // First: get all CWalletTx into a sorted-by-time multimap.
     871                 :           0 :     typedef std::multimap<int64_t, CWalletTx*> TxItems;
     872                 :           0 :     TxItems txByTime;
     873                 :             : 
     874   [ #  #  #  # ]:           0 :     for (auto& entry : mapWallet)
     875                 :             :     {
     876                 :           0 :         CWalletTx* wtx = &entry.second;
     877         [ #  # ]:           0 :         txByTime.insert(std::make_pair(wtx->nTimeReceived, wtx));
     878                 :             :     }
     879                 :             : 
     880                 :           0 :     nOrderPosNext = 0;
     881                 :           0 :     std::vector<int64_t> nOrderPosOffsets;
     882         [ #  # ]:           0 :     for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
     883                 :             :     {
     884         [ #  # ]:           0 :         CWalletTx *const pwtx = (*it).second;
     885                 :           0 :         int64_t& nOrderPos = pwtx->nOrderPos;
     886                 :             : 
     887         [ #  # ]:           0 :         if (nOrderPos == -1)
     888                 :             :         {
     889                 :           0 :             nOrderPos = nOrderPosNext++;
     890         [ #  # ]:           0 :             nOrderPosOffsets.push_back(nOrderPos);
     891                 :             : 
     892   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     893                 :             :                 return DBErrors::LOAD_FAIL;
     894                 :             :         }
     895                 :             :         else
     896                 :             :         {
     897                 :           0 :             int64_t nOrderPosOff = 0;
     898         [ #  # ]:           0 :             for (const int64_t& nOffsetStart : nOrderPosOffsets)
     899                 :             :             {
     900         [ #  # ]:           0 :                 if (nOrderPos >= nOffsetStart)
     901                 :           0 :                     ++nOrderPosOff;
     902                 :             :             }
     903                 :           0 :             nOrderPos += nOrderPosOff;
     904         [ #  # ]:           0 :             nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
     905                 :             : 
     906         [ #  # ]:           0 :             if (!nOrderPosOff)
     907                 :           0 :                 continue;
     908                 :             : 
     909                 :             :             // Since we're changing the order, write it back
     910   [ #  #  #  # ]:           0 :             if (!batch.WriteTx(*pwtx))
     911                 :             :                 return DBErrors::LOAD_FAIL;
     912                 :             :         }
     913                 :             :     }
     914         [ #  # ]:           0 :     batch.WriteOrderPosNext(nOrderPosNext);
     915                 :             : 
     916                 :             :     return DBErrors::LOAD_OK;
     917         [ #  # ]:           0 : }
     918                 :             : 
     919                 :         428 : int64_t CWallet::IncOrderPosNext(WalletBatch* batch)
     920                 :             : {
     921                 :         428 :     AssertLockHeld(cs_wallet);
     922                 :         428 :     int64_t nRet = nOrderPosNext++;
     923         [ +  - ]:         428 :     if (batch) {
     924                 :         428 :         batch->WriteOrderPosNext(nOrderPosNext);
     925                 :             :     } else {
     926         [ #  # ]:           0 :         WalletBatch(GetDatabase()).WriteOrderPosNext(nOrderPosNext);
     927                 :             :     }
     928                 :         428 :     return nRet;
     929                 :             : }
     930                 :             : 
     931                 :           1 : void CWallet::MarkDirty()
     932                 :             : {
     933                 :           1 :     {
     934                 :           1 :         LOCK(cs_wallet);
     935   [ +  -  +  - ]:           1 :         for (auto& [_, wtx] : mapWallet)
     936                 :           0 :             wtx.MarkDirty();
     937                 :           1 :     }
     938                 :           1 : }
     939                 :             : 
     940                 :           0 : bool CWallet::MarkReplaced(const Txid& originalHash, const Txid& newHash)
     941                 :             : {
     942                 :           0 :     LOCK(cs_wallet);
     943                 :             : 
     944         [ #  # ]:           0 :     auto mi = mapWallet.find(originalHash);
     945                 :             : 
     946                 :             :     // There is a bug if MarkReplaced is not called on an existing wallet transaction.
     947         [ #  # ]:           0 :     assert(mi != mapWallet.end());
     948                 :             : 
     949         [ #  # ]:           0 :     CWalletTx& wtx = (*mi).second;
     950                 :             : 
     951                 :             :     // Ensure for now that we're not overwriting data
     952   [ #  #  #  # ]:           0 :     assert(wtx.mapValue.count("replaced_by_txid") == 0);
     953                 :             : 
     954   [ #  #  #  #  :           0 :     wtx.mapValue["replaced_by_txid"] = newHash.ToString();
                   #  # ]
     955                 :             : 
     956                 :             :     // Refresh mempool status without waiting for transactionRemovedFromMempool or transactionAddedToMempool
     957         [ #  # ]:           0 :     RefreshMempoolStatus(wtx, chain());
     958                 :             : 
     959         [ #  # ]:           0 :     WalletBatch batch(GetDatabase());
     960                 :             : 
     961                 :           0 :     bool success = true;
     962   [ #  #  #  # ]:           0 :     if (!batch.WriteTx(wtx)) {
     963   [ #  #  #  # ]:           0 :         WalletLogPrintf("%s: Updating batch tx %s failed\n", __func__, wtx.GetHash().ToString());
     964                 :           0 :         success = false;
     965                 :             :     }
     966                 :             : 
     967         [ #  # ]:           0 :     NotifyTransactionChanged(originalHash, CT_UPDATED);
     968                 :             : 
     969                 :           0 :     return success;
     970         [ #  # ]:           0 : }
     971                 :             : 
     972                 :           0 : void CWallet::SetSpentKeyState(WalletBatch& batch, const Txid& hash, unsigned int n, bool used, std::set<CTxDestination>& tx_destinations)
     973                 :             : {
     974                 :           0 :     AssertLockHeld(cs_wallet);
     975                 :           0 :     const CWalletTx* srctx = GetWalletTx(hash);
     976         [ #  # ]:           0 :     if (!srctx) return;
     977                 :             : 
     978                 :           0 :     CTxDestination dst;
     979   [ #  #  #  # ]:           0 :     if (ExtractDestination(srctx->tx->vout[n].scriptPubKey, dst)) {
     980   [ #  #  #  # ]:           0 :         if (IsMine(dst)) {
     981   [ #  #  #  # ]:           0 :             if (used != IsAddressPreviouslySpent(dst)) {
     982         [ #  # ]:           0 :                 if (used) {
     983         [ #  # ]:           0 :                     tx_destinations.insert(dst);
     984                 :             :                 }
     985         [ #  # ]:           0 :                 SetAddressPreviouslySpent(batch, dst, used);
     986                 :             :             }
     987                 :             :         }
     988                 :             :     }
     989                 :           0 : }
     990                 :             : 
     991                 :           0 : bool CWallet::IsSpentKey(const CScript& scriptPubKey) const
     992                 :             : {
     993                 :           0 :     AssertLockHeld(cs_wallet);
     994                 :           0 :     CTxDestination dest;
     995   [ #  #  #  # ]:           0 :     if (!ExtractDestination(scriptPubKey, dest)) {
     996                 :             :         return false;
     997                 :             :     }
     998   [ #  #  #  # ]:           0 :     if (IsAddressPreviouslySpent(dest)) {
     999                 :           0 :         return true;
    1000                 :             :     }
    1001                 :             :     return false;
    1002                 :           0 : }
    1003                 :             : 
    1004                 :         434 : CWalletTx* CWallet::AddToWallet(CTransactionRef tx, const TxState& state, const UpdateWalletTxFn& update_wtx, bool rescanning_old_block)
    1005                 :             : {
    1006                 :         434 :     LOCK(cs_wallet);
    1007                 :             : 
    1008         [ +  - ]:         434 :     WalletBatch batch(GetDatabase());
    1009                 :             : 
    1010         [ +  - ]:         434 :     Txid hash = tx->GetHash();
    1011                 :             : 
    1012   [ +  -  -  + ]:         434 :     if (IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    1013                 :             :         // Mark used destinations
    1014                 :           0 :         std::set<CTxDestination> tx_destinations;
    1015                 :             : 
    1016         [ #  # ]:           0 :         for (const CTxIn& txin : tx->vin) {
    1017                 :           0 :             const COutPoint& op = txin.prevout;
    1018         [ #  # ]:           0 :             SetSpentKeyState(batch, op.hash, op.n, true, tx_destinations);
    1019                 :             :         }
    1020                 :             : 
    1021         [ #  # ]:           0 :         MarkDestinationsDirty(tx_destinations);
    1022                 :           0 :     }
    1023                 :             : 
    1024                 :             :     // Inserts only if not already there, returns tx inserted or tx found
    1025         [ +  - ]:         434 :     auto ret = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(tx, state));
    1026         [ +  + ]:         434 :     CWalletTx& wtx = (*ret.first).second;
    1027                 :         434 :     bool fInsertedNew = ret.second;
    1028   [ +  +  +  -  :         434 :     bool fUpdated = update_wtx && update_wtx(wtx, fInsertedNew);
                   -  + ]
    1029         [ +  + ]:         434 :     if (fInsertedNew) {
    1030         [ +  - ]:         428 :         wtx.nTimeReceived = GetTime();
    1031         [ +  - ]:         428 :         wtx.nOrderPos = IncOrderPosNext(&batch);
    1032   [ +  -  +  - ]:         428 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1033         [ +  - ]:         428 :         wtx.nTimeSmart = ComputeTimeSmart(wtx, rescanning_old_block);
    1034         [ +  - ]:         428 :         AddToSpends(wtx, &batch);
    1035                 :             : 
    1036                 :             :         // Update birth time when tx time is older than it.
    1037   [ +  -  +  - ]:         428 :         MaybeUpdateBirthTime(wtx.GetTxTime());
    1038                 :             :     }
    1039                 :             : 
    1040                 :           6 :     if (!fInsertedNew)
    1041                 :             :     {
    1042         [ -  + ]:           6 :         if (state.index() != wtx.m_state.index()) {
    1043                 :           0 :             wtx.m_state = state;
    1044                 :           0 :             fUpdated = true;
    1045                 :             :         } else {
    1046         [ -  + ]:           6 :             assert(TxStateSerializedIndex(wtx.m_state) == TxStateSerializedIndex(state));
    1047         [ -  + ]:           6 :             assert(TxStateSerializedBlockHash(wtx.m_state) == TxStateSerializedBlockHash(state));
    1048                 :             :         }
    1049                 :             :         // If we have a witness-stripped version of this transaction, and we
    1050                 :             :         // see a new version with a witness, then we must be upgrading a pre-segwit
    1051                 :             :         // wallet.  Store the new version of the transaction with the witness,
    1052                 :             :         // as the stripped-version must be invalid.
    1053                 :             :         // TODO: Store all versions of the transaction, instead of just one.
    1054   [ -  +  -  - ]:           6 :         if (tx->HasWitness() && !wtx.tx->HasWitness()) {
    1055   [ #  #  #  # ]:           0 :             wtx.SetTx(tx);
    1056                 :           0 :             fUpdated = true;
    1057                 :             :         }
    1058                 :             :     }
    1059                 :             : 
    1060                 :             :     // Mark inactive coinbase transactions and their descendants as abandoned
    1061         [ +  + ]:         434 :     if (wtx.IsCoinBase() && wtx.isInactive()) {
    1062         [ #  # ]:           0 :         std::vector<CWalletTx*> txs{&wtx};
    1063                 :             : 
    1064                 :           0 :         TxStateInactive inactive_state = TxStateInactive{/*abandoned=*/true};
    1065                 :             : 
    1066         [ #  # ]:           0 :         while (!txs.empty()) {
    1067                 :           0 :             CWalletTx* desc_tx = txs.back();
    1068         [ #  # ]:           0 :             txs.pop_back();
    1069         [ #  # ]:           0 :             desc_tx->m_state = inactive_state;
    1070                 :             :             // Break caches since we have changed the state
    1071         [ #  # ]:           0 :             desc_tx->MarkDirty();
    1072         [ #  # ]:           0 :             batch.WriteTx(*desc_tx);
    1073         [ #  # ]:           0 :             MarkInputsDirty(desc_tx->tx);
    1074         [ #  # ]:           0 :             for (unsigned int i = 0; i < desc_tx->tx->vout.size(); ++i) {
    1075                 :           0 :                 COutPoint outpoint(desc_tx->GetHash(), i);
    1076                 :           0 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(outpoint);
    1077         [ #  # ]:           0 :                 for (TxSpends::const_iterator it = range.first; it != range.second; ++it) {
    1078         [ #  # ]:           0 :                     const auto wit = mapWallet.find(it->second);
    1079         [ #  # ]:           0 :                     if (wit != mapWallet.end()) {
    1080         [ #  # ]:           0 :                         txs.push_back(&wit->second);
    1081                 :             :                     }
    1082                 :             :                 }
    1083                 :             :             }
    1084                 :             :         }
    1085                 :           0 :     }
    1086                 :             : 
    1087                 :             :     //// debug print
    1088   [ +  -  +  +  :        1297 :     WalletLogPrintf("AddToWallet %s  %s%s %s\n", hash.ToString(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""), TxStateString(state));
          +  +  +  -  +  
                      - ]
    1089                 :             : 
    1090                 :             :     // Write to disk
    1091         [ +  + ]:         434 :     if (fInsertedNew || fUpdated)
    1092   [ +  -  +  + ]:         429 :         if (!batch.WriteTx(wtx))
    1093                 :             :             return nullptr;
    1094                 :             : 
    1095                 :             :     // Break debit/credit balance caches:
    1096         [ +  + ]:         433 :     wtx.MarkDirty();
    1097                 :             : 
    1098                 :             :     // Notify UI of new or updated transaction
    1099   [ +  +  +  - ]:         439 :     NotifyTransactionChanged(hash, fInsertedNew ? CT_NEW : CT_UPDATED);
    1100                 :             : 
    1101                 :             : #if HAVE_SYSTEM
    1102                 :             :     // notify an external script when a wallet transaction comes in or is updated
    1103         [ +  - ]:         433 :     std::string strCmd = m_notify_tx_changed_script;
    1104                 :             : 
    1105         [ -  + ]:         433 :     if (!strCmd.empty())
    1106                 :             :     {
    1107   [ #  #  #  #  :           0 :         ReplaceAll(strCmd, "%s", hash.GetHex());
                   #  # ]
    1108         [ #  # ]:           0 :         if (auto* conf = wtx.state<TxStateConfirmed>())
    1109                 :             :         {
    1110   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%b", conf->confirmed_block_hash.GetHex());
                   #  # ]
    1111   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%h", ToString(conf->confirmed_block_height));
                   #  # ]
    1112                 :             :         } else {
    1113   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%b", "unconfirmed");
                   #  # ]
    1114   [ #  #  #  #  :           0 :             ReplaceAll(strCmd, "%h", "-1");
                   #  # ]
    1115                 :             :         }
    1116                 :             : #ifndef WIN32
    1117                 :             :         // Substituting the wallet name isn't currently supported on windows
    1118                 :             :         // because windows shell escaping has not been implemented yet:
    1119                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-537384875
    1120                 :             :         // A few ways it could be implemented in the future are described in:
    1121                 :             :         // https://github.com/bitcoin/bitcoin/pull/13339#issuecomment-461288094
    1122   [ #  #  #  #  :           0 :         ReplaceAll(strCmd, "%w", ShellEscape(GetName()));
                   #  # ]
    1123                 :             : #endif
    1124         [ #  # ]:           0 :         std::thread t(runCommand, strCmd);
    1125         [ #  # ]:           0 :         t.detach(); // thread runs free
    1126                 :           0 :     }
    1127                 :             : #endif
    1128                 :             : 
    1129                 :         433 :     return &wtx;
    1130         [ +  - ]:        1301 : }
    1131                 :             : 
    1132                 :           2 : bool CWallet::LoadToWallet(const Txid& hash, const UpdateWalletTxFn& fill_wtx)
    1133                 :             : {
    1134                 :           2 :     const auto& ins = mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(hash), std::forward_as_tuple(nullptr, TxStateInactive{}));
    1135                 :           2 :     CWalletTx& wtx = ins.first->second;
    1136         [ +  - ]:           2 :     if (!fill_wtx(wtx, ins.second)) {
    1137                 :             :         return false;
    1138                 :             :     }
    1139                 :             :     // If wallet doesn't have a chain (e.g when using bitcoin-wallet tool),
    1140                 :             :     // don't bother to update txn.
    1141         [ +  - ]:           2 :     if (HaveChain()) {
    1142                 :           2 :       wtx.updateState(chain());
    1143                 :             :     }
    1144         [ +  - ]:           2 :     if (/* insertion took place */ ins.second) {
    1145                 :           2 :         wtx.m_it_wtxOrdered = wtxOrdered.insert(std::make_pair(wtx.nOrderPos, &wtx));
    1146                 :             :     }
    1147                 :           2 :     AddToSpends(wtx);
    1148         [ +  + ]:           4 :     for (const CTxIn& txin : wtx.tx->vin) {
    1149                 :           2 :         auto it = mapWallet.find(txin.prevout.hash);
    1150         [ -  + ]:           2 :         if (it != mapWallet.end()) {
    1151         [ #  # ]:           0 :             CWalletTx& prevtx = it->second;
    1152         [ -  - ]:           2 :             if (auto* prev = prevtx.state<TxStateBlockConflicted>()) {
    1153                 :           0 :                 MarkConflicted(prev->conflicting_block_hash, prev->conflicting_block_height, wtx.GetHash());
    1154                 :             :             }
    1155                 :             :         }
    1156                 :             :     }
    1157                 :             : 
    1158                 :             :     // Update birth time when tx time is older than it.
    1159                 :           2 :     MaybeUpdateBirthTime(wtx.GetTxTime());
    1160                 :             : 
    1161                 :           2 :     return true;
    1162                 :             : }
    1163                 :             : 
    1164                 :         435 : bool CWallet::AddToWalletIfInvolvingMe(const CTransactionRef& ptx, const SyncTxState& state, bool fUpdate, bool rescanning_old_block)
    1165                 :             : {
    1166         [ +  + ]:         435 :     const CTransaction& tx = *ptx;
    1167                 :         435 :     {
    1168                 :         435 :         AssertLockHeld(cs_wallet);
    1169                 :             : 
    1170         [ +  + ]:         435 :         if (auto* conf = std::get_if<TxStateConfirmed>(&state)) {
    1171         [ +  + ]:         854 :             for (const CTxIn& txin : tx.vin) {
    1172                 :         427 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(txin.prevout);
    1173         [ +  + ]:         428 :                 while (range.first != range.second) {
    1174         [ -  + ]:           1 :                     if (range.first->second != tx.GetHash()) {
    1175   [ #  #  #  #  :           0 :                         WalletLogPrintf("Transaction %s (in block %s) conflicts with wallet transaction %s (both spend %s:%i)\n", tx.GetHash().ToString(), conf->confirmed_block_hash.ToString(), range.first->second.ToString(), range.first->first.hash.ToString(), range.first->first.n);
             #  #  #  # ]
    1176                 :           0 :                         MarkConflicted(conf->confirmed_block_hash, conf->confirmed_block_height, range.first->second);
    1177                 :             :                     }
    1178                 :           1 :                     range.first++;
    1179                 :             :                 }
    1180                 :             :             }
    1181                 :             :         }
    1182                 :             : 
    1183                 :         435 :         bool fExisted = mapWallet.count(tx.GetHash()) != 0;
    1184         [ +  - ]:         435 :         if (fExisted && !fUpdate) return false;
    1185   [ +  +  +  +  :         435 :         if (fExisted || IsMine(tx) || IsFromMe(tx))
                   -  + ]
    1186                 :             :         {
    1187                 :             :             /* Check if any keys in the wallet keypool that were supposed to be unused
    1188                 :             :              * have appeared in a new transaction. If so, remove those keys from the keypool.
    1189                 :             :              * This can happen when restoring an old wallet backup that does not contain
    1190                 :             :              * the mostly recently created transactions from newer versions of the wallet.
    1191                 :             :              */
    1192                 :             : 
    1193                 :             :             // loop though all outputs
    1194         [ +  + ]:        1254 :             for (const CTxOut& txout: tx.vout) {
    1195         [ +  + ]:        1254 :                 for (const auto& spk_man : GetScriptPubKeyMans(txout.scriptPubKey)) {
    1196   [ +  -  -  + ]:         422 :                     for (auto &dest : spk_man->MarkUnusedAddresses(txout.scriptPubKey)) {
    1197                 :             :                         // If internal flag is not defined try to infer it from the ScriptPubKeyMan
    1198         [ #  # ]:           0 :                         if (!dest.internal.has_value()) {
    1199         [ #  # ]:           0 :                             dest.internal = IsInternalScriptPubKeyMan(spk_man);
    1200                 :             :                         }
    1201                 :             : 
    1202                 :             :                         // skip if can't determine whether it's a receiving address or not
    1203         [ #  # ]:           0 :                         if (!dest.internal.has_value()) continue;
    1204                 :             : 
    1205                 :             :                         // If this is a receiving address and it's not in the address book yet
    1206                 :             :                         // (e.g. it wasn't generated on this node or we're restoring from backup)
    1207                 :             :                         // add it to the address book for proper transaction accounting
    1208   [ #  #  #  #  :           0 :                         if (!*dest.internal && !FindAddressBookEntry(dest.dest, /* allow_change= */ false)) {
                   #  # ]
    1209   [ #  #  #  # ]:           0 :                             SetAddressBook(dest.dest, "", AddressPurpose::RECEIVE);
    1210                 :             :                         }
    1211                 :         422 :                     }
    1212                 :         832 :                 }
    1213                 :             :             }
    1214                 :             : 
    1215                 :             :             // Block disconnection override an abandoned tx as unconfirmed
    1216                 :             :             // which means user may have to call abandontransaction again
    1217         [ +  - ]:         844 :             TxState tx_state = std::visit([](auto&& s) -> TxState { return s; }, state);
    1218   [ +  -  +  -  :        1266 :             CWalletTx* wtx = AddToWallet(MakeTransactionRef(tx), tx_state, /*update_wtx=*/nullptr, rescanning_old_block);
                   +  - ]
    1219         [ +  + ]:         422 :             if (!wtx) {
    1220                 :             :                 // Can only be nullptr if there was a db write error (missing db, read-only db or a db engine internal writing error).
    1221                 :             :                 // As we only store arriving transaction in this process, and we don't want an inconsistent state, let's throw an error.
    1222         [ +  - ]:           1 :                 throw std::runtime_error("DB error adding transaction to wallet, write failed");
    1223                 :             :             }
    1224                 :             :             return true;
    1225                 :             :         }
    1226                 :             :     }
    1227                 :             :     return false;
    1228                 :             : }
    1229                 :             : 
    1230                 :           0 : bool CWallet::TransactionCanBeAbandoned(const Txid& hashTx) const
    1231                 :             : {
    1232                 :           0 :     LOCK(cs_wallet);
    1233         [ #  # ]:           0 :     const CWalletTx* wtx = GetWalletTx(hashTx);
    1234   [ #  #  #  #  :           0 :     return wtx && !wtx->isAbandoned() && GetTxDepthInMainChain(*wtx) == 0 && !wtx->InMempool();
          #  #  #  #  #  
                #  #  # ]
    1235                 :           0 : }
    1236                 :             : 
    1237                 :         421 : void CWallet::MarkInputsDirty(const CTransactionRef& tx)
    1238                 :             : {
    1239         [ +  + ]:         842 :     for (const CTxIn& txin : tx->vin) {
    1240                 :         421 :         auto it = mapWallet.find(txin.prevout.hash);
    1241         [ +  + ]:         422 :         if (it != mapWallet.end()) {
    1242                 :           1 :             it->second.MarkDirty();
    1243                 :             :         }
    1244                 :             :     }
    1245                 :         421 : }
    1246                 :             : 
    1247                 :           0 : bool CWallet::AbandonTransaction(const Txid& hashTx)
    1248                 :             : {
    1249                 :           0 :     LOCK(cs_wallet);
    1250         [ #  # ]:           0 :     auto it = mapWallet.find(hashTx);
    1251         [ #  # ]:           0 :     assert(it != mapWallet.end());
    1252   [ #  #  #  # ]:           0 :     return AbandonTransaction(it->second);
    1253                 :           0 : }
    1254                 :             : 
    1255                 :           0 : bool CWallet::AbandonTransaction(CWalletTx& tx)
    1256                 :             : {
    1257                 :             :     // Can't mark abandoned if confirmed or in mempool
    1258   [ #  #  #  # ]:           0 :     if (GetTxDepthInMainChain(tx) != 0 || tx.InMempool()) {
    1259                 :           0 :         return false;
    1260                 :             :     }
    1261                 :             : 
    1262                 :           0 :     auto try_updating_state = [](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1263                 :             :         // If the orig tx was not in block/mempool, none of its spends can be.
    1264         [ #  # ]:           0 :         assert(!wtx.isConfirmed());
    1265         [ #  # ]:           0 :         assert(!wtx.InMempool());
    1266                 :             :         // If already conflicted or abandoned, no need to set abandoned
    1267   [ #  #  #  # ]:           0 :         if (!wtx.isBlockConflicted() && !wtx.isAbandoned()) {
    1268         [ #  # ]:           0 :             wtx.m_state = TxStateInactive{/*abandoned=*/true};
    1269                 :           0 :             return TxUpdate::NOTIFY_CHANGED;
    1270                 :             :         }
    1271                 :             :         return TxUpdate::UNCHANGED;
    1272                 :             :     };
    1273                 :             : 
    1274                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them abandoned too.
    1275                 :             :     // States are not permanent, so these transactions can become unabandoned if they are re-added to the
    1276                 :             :     // mempool, or confirmed in a block, or conflicted.
    1277                 :             :     // Note: If the reorged coinbase is re-added to the main chain, the descendants that have not had their
    1278                 :             :     // states change will remain abandoned and will require manual broadcast if the user wants them.
    1279                 :             : 
    1280         [ #  # ]:           0 :     RecursiveUpdateTxState(tx.GetHash(), try_updating_state);
    1281                 :             : 
    1282                 :           0 :     return true;
    1283                 :             : }
    1284                 :             : 
    1285                 :           0 : void CWallet::MarkConflicted(const uint256& hashBlock, int conflicting_height, const Txid& hashTx)
    1286                 :             : {
    1287                 :           0 :     LOCK(cs_wallet);
    1288                 :             : 
    1289                 :             :     // If number of conflict confirms cannot be determined, this means
    1290                 :             :     // that the block is still unknown or not yet part of the main chain,
    1291                 :             :     // for example when loading the wallet during a reindex. Do nothing in that
    1292                 :             :     // case.
    1293   [ #  #  #  # ]:           0 :     if (m_last_block_processed_height < 0 || conflicting_height < 0) {
    1294                 :             :         return;
    1295                 :             :     }
    1296                 :           0 :     int conflictconfirms = (m_last_block_processed_height - conflicting_height + 1) * -1;
    1297         [ #  # ]:           0 :     if (conflictconfirms >= 0)
    1298                 :             :         return;
    1299                 :             : 
    1300                 :           0 :     auto try_updating_state = [&](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1301         [ #  # ]:           0 :         if (conflictconfirms < GetTxDepthInMainChain(wtx)) {
    1302                 :             :             // Block is 'more conflicted' than current confirm; update.
    1303                 :             :             // Mark transaction as conflicted with this block.
    1304                 :           0 :             wtx.m_state = TxStateBlockConflicted{hashBlock, conflicting_height};
    1305                 :           0 :             return TxUpdate::CHANGED;
    1306                 :             :         }
    1307                 :             :         return TxUpdate::UNCHANGED;
    1308                 :           0 :     };
    1309                 :             : 
    1310                 :             :     // Iterate over all its outputs, and mark transactions in the wallet that spend them conflicted too.
    1311   [ #  #  #  #  :           0 :     RecursiveUpdateTxState(hashTx, try_updating_state);
                   #  # ]
    1312                 :             : 
    1313                 :           0 : }
    1314                 :             : 
    1315                 :           0 : void CWallet::RecursiveUpdateTxState(const Txid& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1316                 :           0 :     WalletBatch batch(GetDatabase());
    1317         [ #  # ]:           0 :     RecursiveUpdateTxState(&batch, tx_hash, try_updating_state);
    1318                 :           0 : }
    1319                 :             : 
    1320                 :           3 : void CWallet::RecursiveUpdateTxState(WalletBatch* batch, const Txid& tx_hash, const TryUpdatingStateFn& try_updating_state) {
    1321         [ +  - ]:           3 :     std::set<Txid> todo;
    1322                 :           3 :     std::set<Txid> done;
    1323                 :             : 
    1324         [ +  - ]:           3 :     todo.insert(tx_hash);
    1325                 :             : 
    1326         [ +  + ]:           6 :     while (!todo.empty()) {
    1327                 :           3 :         Txid now = *todo.begin();
    1328                 :           3 :         todo.erase(now);
    1329         [ +  - ]:           3 :         done.insert(now);
    1330         [ +  - ]:           3 :         auto it = mapWallet.find(now);
    1331         [ -  + ]:           3 :         assert(it != mapWallet.end());
    1332         [ +  - ]:           3 :         CWalletTx& wtx = it->second;
    1333                 :             : 
    1334         [ +  - ]:           3 :         TxUpdate update_state = try_updating_state(wtx);
    1335         [ -  + ]:           3 :         if (update_state != TxUpdate::UNCHANGED) {
    1336         [ #  # ]:           0 :             wtx.MarkDirty();
    1337   [ #  #  #  # ]:           0 :             if (batch) batch->WriteTx(wtx);
    1338                 :             :             // Iterate over all its outputs, and update those tx states as well (if applicable)
    1339         [ #  # ]:           0 :             for (unsigned int i = 0; i < wtx.tx->vout.size(); ++i) {
    1340                 :           0 :                 std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(COutPoint(now, i));
    1341         [ #  # ]:           0 :                 for (TxSpends::const_iterator iter = range.first; iter != range.second; ++iter) {
    1342         [ #  # ]:           0 :                     if (!done.count(iter->second)) {
    1343         [ #  # ]:           0 :                         todo.insert(iter->second);
    1344                 :             :                     }
    1345                 :             :                 }
    1346                 :             :             }
    1347                 :             : 
    1348         [ #  # ]:           0 :             if (update_state == TxUpdate::NOTIFY_CHANGED) {
    1349         [ #  # ]:           0 :                 NotifyTransactionChanged(wtx.GetHash(), CT_UPDATED);
    1350                 :             :             }
    1351                 :             : 
    1352                 :             :             // If a transaction changes its tx state, that usually changes the balance
    1353                 :             :             // available of the outputs it spends. So force those to be recomputed
    1354         [ #  # ]:           0 :             MarkInputsDirty(wtx.tx);
    1355                 :             :         }
    1356                 :             :     }
    1357                 :           3 : }
    1358                 :             : 
    1359                 :         435 : bool CWallet::SyncTransaction(const CTransactionRef& ptx, const SyncTxState& state, bool update_tx, bool rescanning_old_block)
    1360                 :             : {
    1361         [ +  + ]:         435 :     if (!AddToWalletIfInvolvingMe(ptx, state, update_tx, rescanning_old_block))
    1362                 :             :         return false; // Not one of ours
    1363                 :             : 
    1364                 :             :     // If a transaction changes 'conflicted' state, that changes the balance
    1365                 :             :     // available of the outputs it spends. So force those to be
    1366                 :             :     // recomputed, also:
    1367                 :         421 :     MarkInputsDirty(ptx);
    1368                 :         421 :     return true;
    1369                 :             : }
    1370                 :             : 
    1371                 :           8 : void CWallet::transactionAddedToMempool(const CTransactionRef& tx) {
    1372                 :           8 :     LOCK(cs_wallet);
    1373         [ +  + ]:           8 :     SyncTransaction(tx, TxStateInMempool{});
    1374                 :             : 
    1375         [ +  - ]:           7 :     auto it = mapWallet.find(tx->GetHash());
    1376         [ +  - ]:           7 :     if (it != mapWallet.end()) {
    1377         [ +  - ]:           7 :         RefreshMempoolStatus(it->second, chain());
    1378                 :             :     }
    1379                 :             : 
    1380                 :           7 :     const Txid& txid = tx->GetHash();
    1381                 :             : 
    1382         [ +  + ]:          14 :     for (const CTxIn& tx_in : tx->vin) {
    1383                 :             :         // For each wallet transaction spending this prevout..
    1384         [ +  + ]:          14 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1385         [ +  - ]:           7 :             const Txid& spent_id = range.first->second;
    1386                 :             :             // Skip the recently added tx
    1387         [ +  - ]:           7 :             if (spent_id == txid) continue;
    1388         [ #  # ]:           0 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1389         [ #  # ]:           0 :                 return wtx.mempool_conflicts.insert(txid).second ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1390                 :             :             });
    1391                 :             :         }
    1392                 :             :     }
    1393                 :           7 : }
    1394                 :             : 
    1395                 :           9 : void CWallet::transactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason) {
    1396                 :           9 :     LOCK(cs_wallet);
    1397         [ +  - ]:           9 :     auto it = mapWallet.find(tx->GetHash());
    1398         [ +  + ]:           9 :     if (it != mapWallet.end()) {
    1399         [ +  - ]:           3 :         RefreshMempoolStatus(it->second, chain());
    1400                 :             :     }
    1401                 :             :     // Handle transactions that were removed from the mempool because they
    1402                 :             :     // conflict with transactions in a newly connected block.
    1403         [ -  + ]:           9 :     if (reason == MemPoolRemovalReason::CONFLICT) {
    1404                 :             :         // Trigger external -walletnotify notifications for these transactions.
    1405                 :             :         // Set Status::UNCONFIRMED instead of Status::CONFLICTED for a few reasons:
    1406                 :             :         //
    1407                 :             :         // 1. The transactionRemovedFromMempool callback does not currently
    1408                 :             :         //    provide the conflicting block's hash and height, and for backwards
    1409                 :             :         //    compatibility reasons it may not be not safe to store conflicted
    1410                 :             :         //    wallet transactions with a null block hash. See
    1411                 :             :         //    https://github.com/bitcoin/bitcoin/pull/18600#discussion_r420195993.
    1412                 :             :         // 2. For most of these transactions, the wallet's internal conflict
    1413                 :             :         //    detection in the blockConnected handler will subsequently call
    1414                 :             :         //    MarkConflicted and update them with CONFLICTED status anyway. This
    1415                 :             :         //    applies to any wallet transaction that has inputs spent in the
    1416                 :             :         //    block, or that has ancestors in the wallet with inputs spent by
    1417                 :             :         //    the block.
    1418                 :             :         // 3. Longstanding behavior since the sync implementation in
    1419                 :             :         //    https://github.com/bitcoin/bitcoin/pull/9371 and the prior sync
    1420                 :             :         //    implementation before that was to mark these transactions
    1421                 :             :         //    unconfirmed rather than conflicted.
    1422                 :             :         //
    1423                 :             :         // Nothing described above should be seen as an unchangeable requirement
    1424                 :             :         // when improving this code in the future. The wallet's heuristics for
    1425                 :             :         // distinguishing between conflicted and unconfirmed transactions are
    1426                 :             :         // imperfect, and could be improved in general, see
    1427                 :             :         // https://github.com/bitcoin-core/bitcoin-devwiki/wiki/Wallet-Transaction-Conflict-Tracking
    1428         [ #  # ]:           0 :         SyncTransaction(tx, TxStateInactive{});
    1429                 :             :     }
    1430                 :             : 
    1431                 :           9 :     const Txid& txid = tx->GetHash();
    1432                 :             : 
    1433         [ +  + ]:          18 :     for (const CTxIn& tx_in : tx->vin) {
    1434                 :             :         // Iterate over all wallet transactions spending txin.prev
    1435                 :             :         // and recursively mark them as no longer conflicting with
    1436                 :             :         // txid
    1437         [ +  + ]:          12 :         for (auto range = mapTxSpends.equal_range(tx_in.prevout); range.first != range.second; range.first++) {
    1438         [ +  - ]:           3 :             const Txid& spent_id = range.first->second;
    1439                 :             : 
    1440         [ +  - ]:           6 :             RecursiveUpdateTxState(/*batch=*/nullptr, spent_id, [&txid](CWalletTx& wtx) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    1441         [ +  - ]:           3 :                 return wtx.mempool_conflicts.erase(txid) ? TxUpdate::CHANGED : TxUpdate::UNCHANGED;
    1442                 :             :             });
    1443                 :             :         }
    1444                 :             :     }
    1445                 :           9 : }
    1446                 :             : 
    1447                 :           7 : void CWallet::blockConnected(ChainstateRole role, const interfaces::BlockInfo& block)
    1448                 :             : {
    1449         [ +  - ]:           7 :     if (role == ChainstateRole::BACKGROUND) {
    1450                 :             :         return;
    1451                 :             :     }
    1452         [ -  + ]:           7 :     assert(block.data);
    1453                 :           7 :     LOCK(cs_wallet);
    1454                 :             : 
    1455                 :             :     // Update the best block in memory first. This will set the best block's height, which is
    1456                 :             :     // needed by MarkConflicted.
    1457         [ +  - ]:           7 :     SetLastBlockProcessedInMem(block.height, block.hash);
    1458                 :             : 
    1459                 :             :     // No need to scan block if it was created before the wallet birthday.
    1460                 :             :     // Uses chain max time and twice the grace period to adjust time for block time variability.
    1461   [ +  +  +  - ]:           7 :     if (block.chain_time_max < m_birth_time.load() - (TIMESTAMP_WINDOW * 2)) return;
    1462                 :             : 
    1463                 :             :     // Scan block
    1464                 :             :     bool wallet_updated = false;
    1465         [ +  + ]:          15 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1466         [ +  - ]:           9 :         wallet_updated |= SyncTransaction(block.data->vtx[index], TxStateConfirmed{block.hash, block.height, static_cast<int>(index)});
    1467         [ +  - ]:           9 :         transactionRemovedFromMempool(block.data->vtx[index], MemPoolRemovalReason::BLOCK);
    1468                 :             :     }
    1469                 :             : 
    1470                 :             :     // Update on disk if this block resulted in us updating a tx, or periodically every 144 blocks (~1 day)
    1471   [ +  +  -  + ]:           6 :     if (wallet_updated || block.height % 144 == 0) {
    1472         [ +  - ]:           3 :         WriteBestBlock();
    1473                 :             :     }
    1474                 :           7 : }
    1475                 :             : 
    1476                 :           0 : void CWallet::blockDisconnected(const interfaces::BlockInfo& block)
    1477                 :             : {
    1478         [ #  # ]:           0 :     assert(block.data);
    1479                 :           0 :     LOCK(cs_wallet);
    1480                 :             : 
    1481                 :             :     // At block disconnection, this will change an abandoned transaction to
    1482                 :             :     // be unconfirmed, whether or not the transaction is added back to the mempool.
    1483                 :             :     // User may have to call abandontransaction again. It may be addressed in the
    1484                 :             :     // future with a stickier abandoned state or even removing abandontransaction call.
    1485                 :           0 :     int disconnect_height = block.height;
    1486                 :             : 
    1487         [ #  # ]:           0 :     for (size_t index = 0; index < block.data->vtx.size(); index++) {
    1488         [ #  # ]:           0 :         const CTransactionRef& ptx = block.data->vtx[index];
    1489                 :             :         // Coinbase transactions are not only inactive but also abandoned,
    1490                 :             :         // meaning they should never be relayed standalone via the p2p protocol.
    1491         [ #  # ]:           0 :         SyncTransaction(ptx, TxStateInactive{/*abandoned=*/index == 0});
    1492                 :             : 
    1493         [ #  # ]:           0 :         for (const CTxIn& tx_in : ptx->vin) {
    1494                 :             :             // No other wallet transactions conflicted with this transaction
    1495         [ #  # ]:           0 :             if (mapTxSpends.count(tx_in.prevout) < 1) continue;
    1496                 :             : 
    1497                 :           0 :             std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range = mapTxSpends.equal_range(tx_in.prevout);
    1498                 :             : 
    1499                 :             :             // For all of the spends that conflict with this transaction
    1500         [ #  # ]:           0 :             for (TxSpends::const_iterator _it = range.first; _it != range.second; ++_it) {
    1501   [ #  #  #  # ]:           0 :                 CWalletTx& wtx = mapWallet.find(_it->second)->second;
    1502                 :             : 
    1503         [ #  # ]:           0 :                 if (!wtx.isBlockConflicted()) continue;
    1504                 :             : 
    1505                 :           0 :                 auto try_updating_state = [&](CWalletTx& tx) {
    1506         [ #  # ]:           0 :                     if (!tx.isBlockConflicted()) return TxUpdate::UNCHANGED;
    1507         [ #  # ]:           0 :                     if (tx.state<TxStateBlockConflicted>()->conflicting_block_height >= disconnect_height) {
    1508         [ #  # ]:           0 :                         tx.m_state = TxStateInactive{};
    1509                 :           0 :                         return TxUpdate::CHANGED;
    1510                 :             :                     }
    1511                 :             :                     return TxUpdate::UNCHANGED;
    1512                 :           0 :                 };
    1513                 :             : 
    1514         [ #  # ]:           0 :                 RecursiveUpdateTxState(wtx.tx->GetHash(), try_updating_state);
    1515                 :             :             }
    1516                 :             :         }
    1517                 :             :     }
    1518                 :             : 
    1519                 :             :     // Update the best block
    1520   [ #  #  #  # ]:           0 :     SetLastBlockProcessed(block.height - 1, *Assert(block.prev_hash));
    1521                 :           0 : }
    1522                 :             : 
    1523                 :           6 : void CWallet::updatedBlockTip()
    1524                 :             : {
    1525                 :           6 :     m_best_block_time = GetTime();
    1526                 :           6 : }
    1527                 :             : 
    1528                 :           0 : void CWallet::BlockUntilSyncedToCurrentChain() const {
    1529                 :           0 :     AssertLockNotHeld(cs_wallet);
    1530                 :             :     // Skip the queue-draining stuff if we know we're caught up with
    1531                 :             :     // chain().Tip(), otherwise put a callback in the validation interface queue and wait
    1532                 :             :     // for the queue to drain enough to execute it (indicating we are caught up
    1533                 :             :     // at least with the time we entered this function).
    1534         [ #  # ]:           0 :     uint256 last_block_hash = WITH_LOCK(cs_wallet, return m_last_block_processed);
    1535                 :           0 :     chain().waitForNotificationsIfTipChanged(last_block_hash);
    1536                 :           0 : }
    1537                 :             : 
    1538                 :             : // Note that this function doesn't distinguish between a 0-valued input,
    1539                 :             : // and a not-"is mine" (according to the filter) input.
    1540                 :          35 : CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
    1541                 :             : {
    1542                 :          35 :     {
    1543                 :          35 :         LOCK(cs_wallet);
    1544         [ +  - ]:          35 :         const auto mi = mapWallet.find(txin.prevout.hash);
    1545   [ +  +  +  - ]:          35 :         if (mi != mapWallet.end())
    1546                 :             :         {
    1547         [ +  - ]:           5 :             const CWalletTx& prev = (*mi).second;
    1548         [ +  - ]:           5 :             if (txin.prevout.n < prev.tx->vout.size())
    1549   [ +  -  +  - ]:           5 :                 if (IsMine(prev.tx->vout[txin.prevout.n]) & filter)
    1550         [ +  - ]:           5 :                     return prev.tx->vout[txin.prevout.n].nValue;
    1551                 :             :         }
    1552                 :           5 :     }
    1553                 :          30 :     return 0;
    1554                 :             : }
    1555                 :             : 
    1556                 :         520 : isminetype CWallet::IsMine(const CTxOut& txout) const
    1557                 :             : {
    1558                 :         520 :     AssertLockHeld(cs_wallet);
    1559                 :         520 :     return IsMine(txout.scriptPubKey);
    1560                 :             : }
    1561                 :             : 
    1562                 :        6218 : isminetype CWallet::IsMine(const CTxDestination& dest) const
    1563                 :             : {
    1564                 :        6218 :     AssertLockHeld(cs_wallet);
    1565         [ +  - ]:        6218 :     return IsMine(GetScriptForDestination(dest));
    1566                 :             : }
    1567                 :             : 
    1568                 :        6745 : isminetype CWallet::IsMine(const CScript& script) const
    1569                 :             : {
    1570                 :        6745 :     AssertLockHeld(cs_wallet);
    1571                 :             : 
    1572                 :             :     // Search the cache so that IsMine is called only on the relevant SPKMs instead of on everything in m_spk_managers
    1573                 :        6745 :     const auto& it = m_cached_spks.find(script);
    1574         [ +  + ]:        6745 :     if (it != m_cached_spks.end()) {
    1575                 :        6710 :         isminetype res = ISMINE_NO;
    1576         [ +  + ]:       13423 :         for (const auto& spkm : it->second) {
    1577         [ +  + ]:        6716 :             res = std::max(res, spkm->IsMine(script));
    1578                 :             :         }
    1579                 :        6710 :         Assume(res == ISMINE_SPENDABLE);
    1580                 :        6710 :         return res;
    1581                 :             :     }
    1582                 :             : 
    1583                 :             :     return ISMINE_NO;
    1584                 :             : }
    1585                 :             : 
    1586                 :         430 : bool CWallet::IsMine(const CTransaction& tx) const
    1587                 :             : {
    1588                 :         430 :     AssertLockHeld(cs_wallet);
    1589         [ +  + ]:         452 :     for (const CTxOut& txout : tx.vout)
    1590         [ +  + ]:         439 :         if (IsMine(txout))
    1591                 :             :             return true;
    1592                 :             :     return false;
    1593                 :             : }
    1594                 :             : 
    1595                 :           0 : isminetype CWallet::IsMine(const COutPoint& outpoint) const
    1596                 :             : {
    1597                 :           0 :     AssertLockHeld(cs_wallet);
    1598                 :           0 :     auto wtx = GetWalletTx(outpoint.hash);
    1599         [ #  # ]:           0 :     if (!wtx) {
    1600                 :             :         return ISMINE_NO;
    1601                 :             :     }
    1602         [ #  # ]:           0 :     if (outpoint.n >= wtx->tx->vout.size()) {
    1603                 :             :         return ISMINE_NO;
    1604                 :             :     }
    1605                 :           0 :     return IsMine(wtx->tx->vout[outpoint.n]);
    1606                 :             : }
    1607                 :             : 
    1608                 :          13 : bool CWallet::IsFromMe(const CTransaction& tx) const
    1609                 :             : {
    1610                 :          13 :     return (GetDebit(tx, ISMINE_ALL) > 0);
    1611                 :             : }
    1612                 :             : 
    1613                 :          35 : CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
    1614                 :             : {
    1615                 :          35 :     CAmount nDebit = 0;
    1616         [ +  + ]:          70 :     for (const CTxIn& txin : tx.vin)
    1617                 :             :     {
    1618                 :          35 :         nDebit += GetDebit(txin, filter);
    1619         [ -  + ]:          35 :         if (!MoneyRange(nDebit))
    1620   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": value out of range");
    1621                 :             :     }
    1622                 :          35 :     return nDebit;
    1623                 :             : }
    1624                 :             : 
    1625                 :           0 : bool CWallet::IsHDEnabled() const
    1626                 :             : {
    1627                 :             :     // All Active ScriptPubKeyMans must be HD for this to be true
    1628                 :           0 :     bool result = false;
    1629         [ #  # ]:           0 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    1630   [ #  #  #  # ]:           0 :         if (!spk_man->IsHDEnabled()) return false;
    1631                 :           0 :         result = true;
    1632                 :           0 :     }
    1633                 :           0 :     return result;
    1634                 :             : }
    1635                 :             : 
    1636                 :           0 : bool CWallet::CanGetAddresses(bool internal) const
    1637                 :             : {
    1638                 :           0 :     LOCK(cs_wallet);
    1639         [ #  # ]:           0 :     if (m_spk_managers.empty()) return false;
    1640         [ #  # ]:           0 :     for (OutputType t : OUTPUT_TYPES) {
    1641         [ #  # ]:           0 :         auto spk_man = GetScriptPubKeyMan(t, internal);
    1642   [ #  #  #  #  :           0 :         if (spk_man && spk_man->CanGetAddresses(internal)) {
                   #  # ]
    1643                 :             :             return true;
    1644                 :             :         }
    1645                 :             :     }
    1646                 :             :     return false;
    1647                 :           0 : }
    1648                 :             : 
    1649                 :          60 : void CWallet::SetWalletFlag(uint64_t flags)
    1650                 :             : {
    1651                 :          60 :     WalletBatch batch(GetDatabase());
    1652         [ +  - ]:          60 :     return SetWalletFlagWithDB(batch, flags);
    1653                 :          60 : }
    1654                 :             : 
    1655                 :          60 : void CWallet::SetWalletFlagWithDB(WalletBatch& batch, uint64_t flags)
    1656                 :             : {
    1657                 :          60 :     LOCK(cs_wallet);
    1658         [ +  - ]:          60 :     m_wallet_flags |= flags;
    1659   [ +  -  -  + ]:          60 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1660   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1661                 :          60 : }
    1662                 :             : 
    1663                 :           0 : void CWallet::UnsetWalletFlag(uint64_t flag)
    1664                 :             : {
    1665                 :           0 :     WalletBatch batch(GetDatabase());
    1666         [ #  # ]:           0 :     UnsetWalletFlagWithDB(batch, flag);
    1667                 :           0 : }
    1668                 :             : 
    1669                 :         272 : void CWallet::UnsetWalletFlagWithDB(WalletBatch& batch, uint64_t flag)
    1670                 :             : {
    1671                 :         272 :     LOCK(cs_wallet);
    1672         [ +  - ]:         272 :     m_wallet_flags &= ~flag;
    1673   [ +  -  -  + ]:         272 :     if (!batch.WriteWalletFlags(m_wallet_flags))
    1674   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1675                 :         272 : }
    1676                 :             : 
    1677                 :         272 : void CWallet::UnsetBlankWalletFlag(WalletBatch& batch)
    1678                 :             : {
    1679                 :         272 :     UnsetWalletFlagWithDB(batch, WALLET_FLAG_BLANK_WALLET);
    1680                 :         272 : }
    1681                 :             : 
    1682                 :      117475 : bool CWallet::IsWalletFlagSet(uint64_t flag) const
    1683                 :             : {
    1684                 :      117475 :     return (m_wallet_flags & flag);
    1685                 :             : }
    1686                 :             : 
    1687                 :           5 : bool CWallet::LoadWalletFlags(uint64_t flags)
    1688                 :             : {
    1689                 :           5 :     LOCK(cs_wallet);
    1690         [ +  - ]:           5 :     if (((flags & KNOWN_WALLET_FLAGS) >> 32) ^ (flags >> 32)) {
    1691                 :             :         // contains unknown non-tolerable wallet flags
    1692                 :             :         return false;
    1693                 :             :     }
    1694                 :           5 :     m_wallet_flags = flags;
    1695                 :             : 
    1696                 :           5 :     return true;
    1697                 :           5 : }
    1698                 :             : 
    1699                 :           3 : void CWallet::InitWalletFlags(uint64_t flags)
    1700                 :             : {
    1701                 :           3 :     LOCK(cs_wallet);
    1702                 :             : 
    1703                 :             :     // We should never be writing unknown non-tolerable wallet flags
    1704         [ -  + ]:           3 :     assert(((flags & KNOWN_WALLET_FLAGS) >> 32) == (flags >> 32));
    1705                 :             :     // This should only be used once, when creating a new wallet - so current flags are expected to be blank
    1706         [ -  + ]:           3 :     assert(m_wallet_flags == 0);
    1707                 :             : 
    1708   [ +  -  +  -  :           6 :     if (!WalletBatch(GetDatabase()).WriteWalletFlags(flags)) {
                   -  + ]
    1709   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing wallet flags failed");
    1710                 :             :     }
    1711                 :             : 
    1712   [ +  -  -  + ]:           3 :     if (!LoadWalletFlags(flags)) assert(false);
    1713                 :           3 : }
    1714                 :             : 
    1715                 :         755 : void CWallet::MaybeUpdateBirthTime(int64_t time)
    1716                 :             : {
    1717         [ +  + ]:         755 :     int64_t birthtime = m_birth_time.load();
    1718         [ +  + ]:         755 :     if (time < birthtime) {
    1719                 :          66 :         m_birth_time = time;
    1720                 :             :     }
    1721                 :         755 : }
    1722                 :             : 
    1723                 :             : /**
    1724                 :             :  * Scan active chain for relevant transactions after importing keys. This should
    1725                 :             :  * be called whenever new keys are added to the wallet, with the oldest key
    1726                 :             :  * creation time.
    1727                 :             :  *
    1728                 :             :  * @return Earliest timestamp that could be successfully scanned from. Timestamp
    1729                 :             :  * returned will be higher than startTime if relevant blocks could not be read.
    1730                 :             :  */
    1731                 :           0 : int64_t CWallet::RescanFromTime(int64_t startTime, const WalletRescanReserver& reserver, bool update)
    1732                 :             : {
    1733                 :             :     // Find starting block. May be null if nCreateTime is greater than the
    1734                 :             :     // highest blockchain timestamp, in which case there is nothing that needs
    1735                 :             :     // to be scanned.
    1736                 :           0 :     int start_height = 0;
    1737                 :           0 :     uint256 start_block;
    1738                 :           0 :     bool start = chain().findFirstBlockWithTimeAndHeight(startTime - TIMESTAMP_WINDOW, 0, FoundBlock().hash(start_block).height(start_height));
    1739   [ #  #  #  # ]:           0 :     WalletLogPrintf("%s: Rescanning last %i blocks\n", __func__, start ? WITH_LOCK(cs_wallet, return GetLastBlockHeight()) - start_height + 1 : 0);
    1740                 :             : 
    1741         [ #  # ]:           0 :     if (start) {
    1742                 :             :         // TODO: this should take into account failure by ScanResult::USER_ABORT
    1743                 :           0 :         ScanResult result = ScanForWalletTransactions(start_block, start_height, /*max_height=*/{}, reserver, /*fUpdate=*/update, /*save_progress=*/false);
    1744         [ #  # ]:           0 :         if (result.status == ScanResult::FAILURE) {
    1745                 :           0 :             int64_t time_max;
    1746                 :           0 :             CHECK_NONFATAL(chain().findBlock(result.last_failed_block, FoundBlock().maxTime(time_max)));
    1747                 :           0 :             return time_max + TIMESTAMP_WINDOW + 1;
    1748                 :             :         }
    1749                 :             :     }
    1750                 :             :     return startTime;
    1751                 :             : }
    1752                 :             : 
    1753                 :             : /**
    1754                 :             :  * Scan the block chain (starting in start_block) for transactions
    1755                 :             :  * from or to us. If fUpdate is true, found transactions that already
    1756                 :             :  * exist in the wallet will be updated. If max_height is not set, the
    1757                 :             :  * mempool will be scanned as well.
    1758                 :             :  *
    1759                 :             :  * @param[in] start_block Scan starting block. If block is not on the active
    1760                 :             :  *                        chain, the scan will return SUCCESS immediately.
    1761                 :             :  * @param[in] start_height Height of start_block
    1762                 :             :  * @param[in] max_height  Optional max scanning height. If unset there is
    1763                 :             :  *                        no maximum and scanning can continue to the tip
    1764                 :             :  *
    1765                 :             :  * @return ScanResult returning scan information and indicating success or
    1766                 :             :  *         failure. Return status will be set to SUCCESS if scan was
    1767                 :             :  *         successful. FAILURE if a complete rescan was not possible (due to
    1768                 :             :  *         pruning or corruption). USER_ABORT if the rescan was aborted before
    1769                 :             :  *         it could complete.
    1770                 :             :  *
    1771                 :             :  * @pre Caller needs to make sure start_block (and the optional stop_block) are on
    1772                 :             :  * the main chain after to the addition of any new keys you want to detect
    1773                 :             :  * transactions for.
    1774                 :             :  */
    1775                 :           9 : 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)
    1776                 :             : {
    1777                 :           9 :     constexpr auto INTERVAL_TIME{60s};
    1778                 :           9 :     auto current_time{reserver.now()};
    1779                 :           9 :     auto start_time{reserver.now()};
    1780                 :             : 
    1781         [ -  + ]:           9 :     assert(reserver.isReserved());
    1782                 :             : 
    1783                 :           9 :     uint256 block_hash = start_block;
    1784                 :           9 :     ScanResult result;
    1785                 :             : 
    1786                 :           9 :     std::unique_ptr<FastWalletRescanFilter> fast_rescan_filter;
    1787   [ +  -  -  +  :           9 :     if (chain().hasBlockFilterIndex(BlockFilterType::BASIC)) fast_rescan_filter = std::make_unique<FastWalletRescanFilter>(*this);
                   -  - ]
    1788                 :             : 
    1789   [ +  -  +  - ]:          18 :     WalletLogPrintf("Rescan started from block %s... (%s)\n", start_block.ToString(),
    1790   [ +  -  +  - ]:          18 :                     fast_rescan_filter ? "fast variant using block filters" : "slow variant inspecting all blocks");
    1791                 :             : 
    1792         [ +  - ]:           9 :     fAbortRescan = false;
    1793   [ +  -  +  -  :          18 :     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)
                   +  - ]
    1794   [ +  -  +  - ]:          18 :     uint256 tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
    1795                 :           9 :     uint256 end_hash = tip_hash;
    1796   [ -  +  -  - ]:           9 :     if (max_height) chain().findAncestorByHeight(tip_hash, *max_height, FoundBlock().hash(end_hash));
    1797         [ +  - ]:           9 :     double progress_begin = chain().guessVerificationProgress(block_hash);
    1798         [ +  - ]:           9 :     double progress_end = chain().guessVerificationProgress(end_hash);
    1799                 :           9 :     double progress_current = progress_begin;
    1800                 :           9 :     int block_height = start_height;
    1801   [ +  -  +  -  :         421 :     while (!fAbortRescan && !chain().shutdownRequested()) {
                   +  - ]
    1802         [ +  - ]:         421 :         if (progress_end - progress_begin > 0.0) {
    1803                 :         421 :             m_scanning_progress = (progress_current - progress_begin) / (progress_end - progress_begin);
    1804                 :             :         } else { // avoid divide-by-zero for single block scan range (i.e. start and stop hashes are equal)
    1805                 :           0 :             m_scanning_progress = 0;
    1806                 :             :         }
    1807   [ +  +  +  - ]:         421 :         if (block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
    1808   [ +  +  +  +  :          40 :             ShowProgress(strprintf("%s %s", GetDisplayName(), _("Rescanning…")), std::max(1, std::min(99, (int)(m_scanning_progress * 100))));
          +  -  +  -  +  
                      - ]
    1809                 :             :         }
    1810                 :             : 
    1811   [ +  -  +  + ]:         421 :         bool next_interval = reserver.now() >= current_time + INTERVAL_TIME;
    1812         [ +  + ]:         421 :         if (next_interval) {
    1813         [ +  - ]:           2 :             current_time = reserver.now();
    1814         [ +  - ]:           2 :             WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
    1815                 :             :         }
    1816                 :             : 
    1817                 :         421 :         bool fetch_block{true};
    1818         [ -  + ]:         421 :         if (fast_rescan_filter) {
    1819         [ #  # ]:           0 :             fast_rescan_filter->UpdateIfNeeded();
    1820         [ #  # ]:           0 :             auto matches_block{fast_rescan_filter->MatchesBlock(block_hash)};
    1821         [ #  # ]:           0 :             if (matches_block.has_value()) {
    1822         [ #  # ]:           0 :                 if (*matches_block) {
    1823   [ #  #  #  #  :           0 :                     LogDebug(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (filter matched)\n", block_height, block_hash.ToString());
             #  #  #  # ]
    1824                 :             :                 } else {
    1825                 :           0 :                     result.last_scanned_block = block_hash;
    1826                 :           0 :                     result.last_scanned_height = block_height;
    1827                 :           0 :                     fetch_block = false;
    1828                 :             :                 }
    1829                 :             :             } else {
    1830   [ #  #  #  #  :           0 :                 LogDebug(BCLog::SCAN, "Fast rescan: inspect block %d [%s] (WARNING: block filter not found!)\n", block_height, block_hash.ToString());
             #  #  #  # ]
    1831                 :             :             }
    1832                 :             :         }
    1833                 :             : 
    1834                 :             :         // Find next block separately from reading data above, because reading
    1835                 :             :         // is slow and there might be a reorg while it is read.
    1836                 :         421 :         bool block_still_active = false;
    1837                 :         421 :         bool next_block = false;
    1838                 :         421 :         uint256 next_block_hash;
    1839         [ +  - ]:         421 :         chain().findBlock(block_hash, FoundBlock().inActiveChain(block_still_active).nextBlock(FoundBlock().inActiveChain(next_block).hash(next_block_hash)));
    1840                 :             : 
    1841         [ +  - ]:         421 :         if (fetch_block) {
    1842                 :             :             // Read block data
    1843                 :         421 :             CBlock block;
    1844         [ +  - ]:         421 :             chain().findBlock(block_hash, FoundBlock().data(block));
    1845                 :             : 
    1846         [ +  + ]:         421 :             if (!block.IsNull()) {
    1847         [ +  - ]:         417 :                 LOCK(cs_wallet);
    1848         [ -  + ]:         417 :                 if (!block_still_active) {
    1849                 :             :                     // Abort scan if current block is no longer active, to prevent
    1850                 :             :                     // marking transactions as coming from the wrong block.
    1851                 :           0 :                     result.last_failed_block = block_hash;
    1852                 :           0 :                     result.status = ScanResult::FAILURE;
    1853         [ #  # ]:           0 :                     break;
    1854                 :             :                 }
    1855         [ +  + ]:         835 :                 for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
    1856         [ +  - ]:         418 :                     SyncTransaction(block.vtx[posInBlock], TxStateConfirmed{block_hash, block_height, static_cast<int>(posInBlock)}, fUpdate, /*rescanning_old_block=*/true);
    1857                 :             :                 }
    1858                 :             :                 // scan succeeded, record block as most recent successfully scanned
    1859                 :         417 :                 result.last_scanned_block = block_hash;
    1860         [ +  + ]:         417 :                 result.last_scanned_height = block_height;
    1861                 :             : 
    1862         [ +  + ]:         417 :                 if (save_progress && next_interval) {
    1863         [ +  - ]:           2 :                     CBlockLocator loc = m_chain->getActiveChainLocator(block_hash);
    1864                 :             : 
    1865         [ +  - ]:           2 :                     if (!loc.IsNull()) {
    1866         [ +  - ]:           2 :                         WalletLogPrintf("Saving scan progress %d.\n", block_height);
    1867         [ +  - ]:           2 :                         WalletBatch batch(GetDatabase());
    1868         [ +  - ]:           2 :                         batch.WriteBestBlock(loc);
    1869                 :           2 :                     }
    1870                 :           2 :                 }
    1871                 :         417 :             } else {
    1872                 :             :                 // could not scan block, keep scanning but record this block as the most recent failure
    1873                 :           4 :                 result.last_failed_block = block_hash;
    1874                 :           4 :                 result.status = ScanResult::FAILURE;
    1875                 :             :             }
    1876                 :         421 :         }
    1877   [ -  +  -  - ]:         421 :         if (max_height && block_height >= *max_height) {
    1878                 :             :             break;
    1879                 :             :         }
    1880                 :             :         // If rescanning was triggered with cs_wallet permanently locked (AttachChain), additional blocks that were connected during the rescan
    1881                 :             :         // aren't processed here but will be processed with the pending blockConnected notifications after the lock is released.
    1882                 :             :         // If rescanning without a permanent cs_wallet lock, additional blocks that were added during the rescan will be re-processed if
    1883                 :             :         // the notification was processed and the last block height was updated.
    1884   [ +  -  +  +  :         842 :         if (block_height >= WITH_LOCK(cs_wallet, return GetLastBlockHeight())) {
                   +  - ]
    1885                 :             :             break;
    1886                 :             :         }
    1887                 :             : 
    1888                 :         413 :         {
    1889         [ +  + ]:         413 :             if (!next_block) {
    1890                 :             :                 // break successfully when rescan has reached the tip, or
    1891                 :             :                 // previous block is no longer on the chain due to a reorg
    1892                 :             :                 break;
    1893                 :             :             }
    1894                 :             : 
    1895                 :             :             // increment block and verification progress
    1896                 :         412 :             block_hash = next_block_hash;
    1897                 :         412 :             ++block_height;
    1898         [ +  - ]:         412 :             progress_current = chain().guessVerificationProgress(block_hash);
    1899                 :             : 
    1900                 :             :             // handle updated tip hash
    1901                 :         412 :             const uint256 prev_tip_hash = tip_hash;
    1902   [ +  -  +  - ]:         824 :             tip_hash = WITH_LOCK(cs_wallet, return GetLastBlockHash());
    1903   [ +  -  -  + ]:         412 :             if (!max_height && prev_tip_hash != tip_hash) {
    1904                 :             :                 // in case the tip has changed, update progress max
    1905         [ #  # ]:           0 :                 progress_end = chain().guessVerificationProgress(tip_hash);
    1906                 :             :             }
    1907                 :             :         }
    1908                 :             :     }
    1909         [ +  - ]:           9 :     if (!max_height) {
    1910         [ +  - ]:           9 :         WalletLogPrintf("Scanning current mempool transactions.\n");
    1911   [ +  -  +  - ]:          27 :         WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    1912                 :             :     }
    1913   [ +  -  +  -  :          18 :     ShowProgress(strprintf("%s %s", GetDisplayName(), _("Rescanning…")), 100); // hide progress dialog in GUI
                   +  - ]
    1914   [ +  +  +  - ]:           9 :     if (block_height && fAbortRescan) {
    1915         [ #  # ]:           0 :         WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", block_height, progress_current);
    1916                 :           0 :         result.status = ScanResult::USER_ABORT;
    1917   [ +  +  +  -  :           9 :     } else if (block_height && chain().shutdownRequested()) {
                   +  - ]
    1918         [ #  # ]:           0 :         WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", block_height, progress_current);
    1919                 :           0 :         result.status = ScanResult::USER_ABORT;
    1920                 :             :     } else {
    1921   [ +  -  +  - ]:           9 :         WalletLogPrintf("Rescan completed in %15dms\n", Ticks<std::chrono::milliseconds>(reserver.now() - start_time));
    1922                 :             :     }
    1923                 :           9 :     return result;
    1924                 :           9 : }
    1925                 :             : 
    1926                 :           3 : bool CWallet::SubmitTxMemoryPoolAndRelay(CWalletTx& wtx, std::string& err_string, bool relay) const
    1927                 :             : {
    1928                 :           3 :     AssertLockHeld(cs_wallet);
    1929                 :             : 
    1930                 :             :     // Can't relay if wallet is not broadcasting
    1931         [ +  - ]:           3 :     if (!GetBroadcastTransactions()) return false;
    1932                 :             :     // Don't relay abandoned transactions
    1933         [ +  + ]:           3 :     if (wtx.isAbandoned()) return false;
    1934                 :             :     // Don't try to submit coinbase transactions. These would fail anyway but would
    1935                 :             :     // cause log spam.
    1936         [ +  - ]:           3 :     if (wtx.IsCoinBase()) return false;
    1937                 :             :     // Don't try to submit conflicted or confirmed transactions.
    1938         [ +  - ]:           3 :     if (GetTxDepthInMainChain(wtx) != 0) return false;
    1939                 :             : 
    1940                 :             :     // Submit transaction to mempool for relay
    1941         [ +  - ]:           3 :     WalletLogPrintf("Submitting wtx %s to mempool for relay\n", wtx.GetHash().ToString());
    1942                 :             :     // We must set TxStateInMempool here. Even though it will also be set later by the
    1943                 :             :     // entered-mempool callback, if we did not there would be a race where a
    1944                 :             :     // user could call sendmoney in a loop and hit spurious out of funds errors
    1945                 :             :     // because we think that this newly generated transaction's change is
    1946                 :             :     // unavailable as we're not yet aware that it is in the mempool.
    1947                 :             :     //
    1948                 :             :     // If broadcast fails for any reason, trying to set wtx.m_state here would be incorrect.
    1949                 :             :     // If transaction was previously in the mempool, it should be updated when
    1950                 :             :     // TransactionRemovedFromMempool fires.
    1951                 :           3 :     bool ret = chain().broadcastTransaction(wtx.tx, m_default_max_tx_fee, relay, err_string);
    1952   [ +  -  +  + ]:           4 :     if (ret) wtx.m_state = TxStateInMempool{};
    1953                 :             :     return ret;
    1954                 :             : }
    1955                 :             : 
    1956                 :           0 : std::set<Txid> CWallet::GetTxConflicts(const CWalletTx& wtx) const
    1957                 :             : {
    1958                 :           0 :     AssertLockHeld(cs_wallet);
    1959                 :             : 
    1960                 :           0 :     const Txid myHash{wtx.GetHash()};
    1961                 :           0 :     std::set<Txid> result{GetConflicts(myHash)};
    1962                 :           0 :     result.erase(myHash);
    1963                 :           0 :     return result;
    1964                 :             : }
    1965                 :             : 
    1966                 :           0 : bool CWallet::ShouldResend() const
    1967                 :             : {
    1968                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast
    1969         [ #  # ]:           0 :     if (!fBroadcastTransactions) return false;
    1970                 :             : 
    1971                 :             :     // During reindex, importing and IBD, old wallet transactions become
    1972                 :             :     // unconfirmed. Don't resend them as that would spam other nodes.
    1973                 :             :     // We only allow forcing mempool submission when not relaying to avoid this spam.
    1974         [ #  # ]:           0 :     if (!chain().isReadyToBroadcast()) return false;
    1975                 :             : 
    1976                 :             :     // Do this infrequently and randomly to avoid giving away
    1977                 :             :     // that these are our transactions.
    1978         [ #  # ]:           0 :     if (NodeClock::now() < m_next_resend) return false;
    1979                 :             : 
    1980                 :             :     return true;
    1981                 :             : }
    1982                 :             : 
    1983                 :          83 : NodeClock::time_point CWallet::GetDefaultNextResend() { return FastRandomContext{}.rand_uniform_delay(NodeClock::now() + 12h, 24h); }
    1984                 :             : 
    1985                 :             : // Resubmit transactions from the wallet to the mempool, optionally asking the
    1986                 :             : // mempool to relay them. On startup, we will do this for all unconfirmed
    1987                 :             : // transactions but will not ask the mempool to relay them. We do this on startup
    1988                 :             : // to ensure that our own mempool is aware of our transactions. There
    1989                 :             : // is a privacy side effect here as not broadcasting on startup also means that we won't
    1990                 :             : // inform the world of our wallet's state, particularly if the wallet (or node) is not
    1991                 :             : // yet synced.
    1992                 :             : //
    1993                 :             : // Otherwise this function is called periodically in order to relay our unconfirmed txs.
    1994                 :             : // We do this on a random timer to slightly obfuscate which transactions
    1995                 :             : // come from our wallet.
    1996                 :             : //
    1997                 :             : // TODO: Ideally, we'd only resend transactions that we think should have been
    1998                 :             : // mined in the most recent block. Any transaction that wasn't in the top
    1999                 :             : // blockweight of transactions in the mempool shouldn't have been mined,
    2000                 :             : // and so is probably just sitting in the mempool waiting to be confirmed.
    2001                 :             : // Rebroadcasting does nothing to speed up confirmation and only damages
    2002                 :             : // privacy.
    2003                 :             : //
    2004                 :             : // The `force` option results in all unconfirmed transactions being submitted to
    2005                 :             : // the mempool. This does not necessarily result in those transactions being relayed,
    2006                 :             : // that depends on the `relay` option. Periodic rebroadcast uses the pattern
    2007                 :             : // relay=true force=false, while loading into the mempool
    2008                 :             : // (on start, or after import) uses relay=false force=true.
    2009                 :           4 : void CWallet::ResubmitWalletTransactions(bool relay, bool force)
    2010                 :             : {
    2011                 :             :     // Don't attempt to resubmit if the wallet is configured to not broadcast,
    2012                 :             :     // even if forcing.
    2013         [ +  - ]:           4 :     if (!fBroadcastTransactions) return;
    2014                 :             : 
    2015                 :           4 :     int submitted_tx_count = 0;
    2016                 :             : 
    2017                 :           4 :     { // cs_wallet scope
    2018                 :           4 :         LOCK(cs_wallet);
    2019                 :             : 
    2020                 :             :         // First filter for the transactions we want to rebroadcast.
    2021                 :             :         // We use a set with WalletTxOrderComparator so that rebroadcasting occurs in insertion order
    2022                 :           4 :         std::set<CWalletTx*, WalletTxOrderComparator> to_submit;
    2023   [ +  +  +  + ]:          10 :         for (auto& [txid, wtx] : mapWallet) {
    2024                 :             :             // Only rebroadcast unconfirmed txs
    2025         [ +  + ]:           6 :             if (!wtx.isUnconfirmed()) continue;
    2026                 :             : 
    2027                 :             :             // Attempt to rebroadcast all txes more than 5 minutes older than
    2028                 :             :             // the last block, or all txs if forcing.
    2029   [ -  +  -  - ]:           3 :             if (!force && wtx.nTimeReceived > m_best_block_time - 5 * 60) continue;
    2030         [ +  - ]:           3 :             to_submit.insert(&wtx);
    2031                 :             :         }
    2032                 :             :         // Now try submitting the transactions to the memory pool and (optionally) relay them.
    2033         [ +  + ]:           7 :         for (auto wtx : to_submit) {
    2034         [ +  - ]:           3 :             std::string unused_err_string;
    2035   [ +  -  +  - ]:           3 :             if (SubmitTxMemoryPoolAndRelay(*wtx, unused_err_string, relay)) ++submitted_tx_count;
    2036                 :           3 :         }
    2037         [ +  - ]:           4 :     } // cs_wallet
    2038                 :             : 
    2039         [ +  + ]:           4 :     if (submitted_tx_count > 0) {
    2040                 :           2 :         WalletLogPrintf("%s: resubmit %u unconfirmed transactions\n", __func__, submitted_tx_count);
    2041                 :             :     }
    2042                 :             : }
    2043                 :             : 
    2044                 :             : /** @} */ // end of mapWallet
    2045                 :             : 
    2046                 :           0 : void MaybeResendWalletTxs(WalletContext& context)
    2047                 :             : {
    2048         [ #  # ]:           0 :     for (const std::shared_ptr<CWallet>& pwallet : GetWallets(context)) {
    2049   [ #  #  #  # ]:           0 :         if (!pwallet->ShouldResend()) continue;
    2050         [ #  # ]:           0 :         pwallet->ResubmitWalletTransactions(/*relay=*/true, /*force=*/false);
    2051         [ #  # ]:           0 :         pwallet->SetNextResend();
    2052                 :           0 :     }
    2053                 :           0 : }
    2054                 :             : 
    2055                 :             : 
    2056                 :          13 : bool CWallet::SignTransaction(CMutableTransaction& tx) const
    2057                 :             : {
    2058                 :          13 :     AssertLockHeld(cs_wallet);
    2059                 :             : 
    2060                 :             :     // Build coins map
    2061                 :          13 :     std::map<COutPoint, Coin> coins;
    2062         [ +  + ]:          26 :     for (auto& input : tx.vin) {
    2063         [ +  - ]:          13 :         const auto mi = mapWallet.find(input.prevout.hash);
    2064   [ +  -  +  - ]:          26 :         if(mi == mapWallet.end() || input.prevout.n >= mi->second.tx->vout.size()) {
    2065                 :             :             return false;
    2066                 :             :         }
    2067         [ +  - ]:          13 :         const CWalletTx& wtx = mi->second;
    2068         [ +  - ]:          13 :         int prev_height = wtx.state<TxStateConfirmed>() ? wtx.state<TxStateConfirmed>()->confirmed_block_height : 0;
    2069         [ +  - ]:          13 :         coins[input.prevout] = Coin(wtx.tx->vout[input.prevout.n], prev_height, wtx.IsCoinBase());
    2070                 :             :     }
    2071         [ +  - ]:          13 :     std::map<int, bilingual_str> input_errors;
    2072         [ +  - ]:          13 :     return SignTransaction(tx, coins, SIGHASH_DEFAULT, input_errors);
    2073                 :          26 : }
    2074                 :             : 
    2075                 :          13 : bool CWallet::SignTransaction(CMutableTransaction& tx, const std::map<COutPoint, Coin>& coins, int sighash, std::map<int, bilingual_str>& input_errors) const
    2076                 :             : {
    2077                 :             :     // Try to sign with all ScriptPubKeyMans
    2078         [ +  - ]:         117 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
    2079                 :             :         // spk_man->SignTransaction will return true if the transaction is complete,
    2080                 :             :         // so we can exit early and return true if that happens
    2081   [ +  -  +  + ]:         117 :         if (spk_man->SignTransaction(tx, coins, sighash, input_errors)) {
    2082                 :          13 :             return true;
    2083                 :             :         }
    2084                 :          13 :     }
    2085                 :             : 
    2086                 :             :     // At this point, one input was not fully signed otherwise we would have exited already
    2087                 :           0 :     return false;
    2088                 :             : }
    2089                 :             : 
    2090                 :           2 : 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
    2091                 :             : {
    2092         [ -  + ]:           2 :     if (n_signed) {
    2093                 :           0 :         *n_signed = 0;
    2094                 :             :     }
    2095                 :           2 :     LOCK(cs_wallet);
    2096                 :             :     // Get all of the previous transactions
    2097         [ +  + ]:           6 :     for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) {
    2098         [ +  - ]:           4 :         const CTxIn& txin = psbtx.tx->vin[i];
    2099         [ +  - ]:           4 :         PSBTInput& input = psbtx.inputs.at(i);
    2100                 :             : 
    2101   [ +  -  -  + ]:           4 :         if (PSBTInputSigned(input)) {
    2102                 :           0 :             continue;
    2103                 :             :         }
    2104                 :             : 
    2105                 :             :         // If we have no utxo, grab it from the wallet.
    2106         [ +  + ]:           4 :         if (!input.non_witness_utxo) {
    2107                 :           2 :             const Txid& txhash = txin.prevout.hash;
    2108         [ +  - ]:           2 :             const auto it = mapWallet.find(txhash);
    2109         [ +  - ]:           6 :             if (it != mapWallet.end()) {
    2110                 :           2 :                 const CWalletTx& wtx = it->second;
    2111                 :             :                 // We only need the non_witness_utxo, which is a superset of the witness_utxo.
    2112                 :             :                 //   The signing code will switch to the smaller witness_utxo if this is ok.
    2113                 :           2 :                 input.non_witness_utxo = wtx.tx;
    2114                 :             :             }
    2115                 :             :         }
    2116                 :             :     }
    2117                 :             : 
    2118         [ +  - ]:           2 :     const PrecomputedTransactionData txdata = PrecomputePSBTData(psbtx);
    2119                 :             : 
    2120                 :             :     // Fill in information from ScriptPubKeyMans
    2121   [ +  -  +  + ]:           5 :     for (ScriptPubKeyMan* spk_man : GetAllScriptPubKeyMans()) {
    2122                 :           4 :         int n_signed_this_spkm = 0;
    2123         [ +  - ]:           4 :         const auto error{spk_man->FillPSBT(psbtx, txdata, sighash_type, sign, bip32derivs, &n_signed_this_spkm, finalize)};
    2124         [ +  + ]:           4 :         if (error) {
    2125                 :           1 :             return error;
    2126                 :             :         }
    2127                 :             : 
    2128         [ -  + ]:           3 :         if (n_signed) {
    2129                 :           0 :             (*n_signed) += n_signed_this_spkm;
    2130                 :             :         }
    2131                 :           1 :     }
    2132                 :             : 
    2133         [ +  - ]:           1 :     RemoveUnnecessaryTransactions(psbtx);
    2134                 :             : 
    2135                 :             :     // Complete if every input is now signed
    2136                 :           1 :     complete = true;
    2137         [ +  + ]:           3 :     for (size_t i = 0; i < psbtx.inputs.size(); ++i) {
    2138   [ +  -  +  - ]:           2 :         complete &= PSBTInputSignedAndVerified(psbtx, i, &txdata);
    2139                 :             :     }
    2140                 :             : 
    2141                 :           1 :     return {};
    2142         [ +  - ]:           4 : }
    2143                 :             : 
    2144                 :           0 : SigningResult CWallet::SignMessage(const std::string& message, const PKHash& pkhash, std::string& str_sig) const
    2145                 :             : {
    2146                 :           0 :     SignatureData sigdata;
    2147         [ #  # ]:           0 :     CScript script_pub_key = GetScriptForDestination(pkhash);
    2148         [ #  # ]:           0 :     for (const auto& spk_man_pair : m_spk_managers) {
    2149   [ #  #  #  # ]:           0 :         if (spk_man_pair.second->CanProvide(script_pub_key, sigdata)) {
    2150         [ #  # ]:           0 :             LOCK(cs_wallet);  // DescriptorScriptPubKeyMan calls IsLocked which can lock cs_wallet in a deadlocking order
    2151   [ #  #  #  # ]:           0 :             return spk_man_pair.second->SignMessage(message, pkhash, str_sig);
    2152                 :           0 :         }
    2153                 :             :     }
    2154                 :             :     return SigningResult::PRIVATE_KEY_NOT_AVAILABLE;
    2155                 :           0 : }
    2156                 :             : 
    2157                 :          15 : OutputType CWallet::TransactionChangeType(const std::optional<OutputType>& change_type, const std::vector<CRecipient>& vecSend) const
    2158                 :             : {
    2159                 :             :     // If -changetype is specified, always use that change type.
    2160         [ +  + ]:          15 :     if (change_type) {
    2161                 :           8 :         return *change_type;
    2162                 :             :     }
    2163                 :             : 
    2164                 :             :     // if m_default_address_type is legacy, use legacy address as change.
    2165         [ +  - ]:           7 :     if (m_default_address_type == OutputType::LEGACY) {
    2166                 :             :         return OutputType::LEGACY;
    2167                 :             :     }
    2168                 :             : 
    2169                 :           7 :     bool any_tr{false};
    2170                 :           7 :     bool any_wpkh{false};
    2171                 :           7 :     bool any_sh{false};
    2172                 :           7 :     bool any_pkh{false};
    2173                 :             : 
    2174         [ +  + ]:          14 :     for (const auto& recipient : vecSend) {
    2175         [ +  - ]:           7 :         if (std::get_if<WitnessV1Taproot>(&recipient.dest)) {
    2176                 :             :             any_tr = true;
    2177         [ +  - ]:           6 :         } else if (std::get_if<WitnessV0KeyHash>(&recipient.dest)) {
    2178                 :             :             any_wpkh = true;
    2179         [ +  - ]:           3 :         } else if (std::get_if<ScriptHash>(&recipient.dest)) {
    2180                 :             :             any_sh = true;
    2181         [ +  - ]:           9 :         } else if (std::get_if<PKHash>(&recipient.dest)) {
    2182                 :           1 :             any_pkh = true;
    2183                 :             :         }
    2184                 :             :     }
    2185                 :             : 
    2186                 :           7 :     const bool has_bech32m_spkman(GetScriptPubKeyMan(OutputType::BECH32M, /*internal=*/true));
    2187         [ +  + ]:           7 :     if (has_bech32m_spkman && any_tr) {
    2188                 :             :         // Currently tr is the only type supported by the BECH32M spkman
    2189                 :             :         return OutputType::BECH32M;
    2190                 :             :     }
    2191                 :           6 :     const bool has_bech32_spkman(GetScriptPubKeyMan(OutputType::BECH32, /*internal=*/true));
    2192         [ +  + ]:           6 :     if (has_bech32_spkman && any_wpkh) {
    2193                 :             :         // Currently wpkh is the only type supported by the BECH32 spkman
    2194                 :             :         return OutputType::BECH32;
    2195                 :             :     }
    2196                 :           3 :     const bool has_p2sh_segwit_spkman(GetScriptPubKeyMan(OutputType::P2SH_SEGWIT, /*internal=*/true));
    2197         [ +  + ]:           3 :     if (has_p2sh_segwit_spkman && any_sh) {
    2198                 :             :         // Currently sh_wpkh is the only type supported by the P2SH_SEGWIT spkman
    2199                 :             :         // As of 2021 about 80% of all SH are wrapping WPKH, so use that
    2200                 :             :         return OutputType::P2SH_SEGWIT;
    2201                 :             :     }
    2202                 :           2 :     const bool has_legacy_spkman(GetScriptPubKeyMan(OutputType::LEGACY, /*internal=*/true));
    2203         [ +  + ]:           2 :     if (has_legacy_spkman && any_pkh) {
    2204                 :             :         // Currently pkh is the only type supported by the LEGACY spkman
    2205                 :             :         return OutputType::LEGACY;
    2206                 :             :     }
    2207                 :             : 
    2208         [ -  + ]:           1 :     if (has_bech32m_spkman) {
    2209                 :             :         return OutputType::BECH32M;
    2210                 :             :     }
    2211         [ #  # ]:           0 :     if (has_bech32_spkman) {
    2212                 :             :         return OutputType::BECH32;
    2213                 :             :     }
    2214                 :             :     // else use m_default_address_type for change
    2215                 :           0 :     return m_default_address_type;
    2216                 :             : }
    2217                 :             : 
    2218                 :           5 : void CWallet::CommitTransaction(CTransactionRef tx, mapValue_t mapValue, std::vector<std::pair<std::string, std::string>> orderForm)
    2219                 :             : {
    2220                 :           5 :     LOCK(cs_wallet);
    2221   [ +  -  +  -  :           5 :     WalletLogPrintf("CommitTransaction:\n%s\n", util::RemoveSuffixView(tx->ToString(), "\n"));
                   +  - ]
    2222                 :             : 
    2223                 :             :     // Add tx to wallet, because if it has change it's also ours,
    2224                 :             :     // otherwise just for transaction history.
    2225   [ +  -  +  -  :          15 :     CWalletTx* wtx = AddToWallet(tx, TxStateInactive{}, [&](CWalletTx& wtx, bool new_tx) {
                   +  - ]
    2226                 :           5 :         CHECK_NONFATAL(wtx.mapValue.empty());
    2227                 :           5 :         CHECK_NONFATAL(wtx.vOrderForm.empty());
    2228                 :           5 :         wtx.mapValue = std::move(mapValue);
    2229                 :           5 :         wtx.vOrderForm = std::move(orderForm);
    2230                 :           5 :         wtx.fTimeReceivedIsTxTime = true;
    2231                 :           5 :         return true;
    2232                 :             :     });
    2233                 :             : 
    2234                 :             :     // wtx can only be null if the db write failed.
    2235         [ -  + ]:           5 :     if (!wtx) {
    2236   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": Wallet db error, transaction commit failed");
    2237                 :             :     }
    2238                 :             : 
    2239                 :             :     // Notify that old coins are spent
    2240         [ +  + ]:          10 :     for (const CTxIn& txin : tx->vin) {
    2241         [ +  - ]:           5 :         CWalletTx &coin = mapWallet.at(txin.prevout.hash);
    2242         [ +  - ]:           5 :         coin.MarkDirty();
    2243         [ +  - ]:           5 :         NotifyTransactionChanged(coin.GetHash(), CT_UPDATED);
    2244                 :             :     }
    2245                 :             : 
    2246         [ +  - ]:           5 :     if (!fBroadcastTransactions) {
    2247                 :             :         // Don't submit tx to the mempool
    2248         [ +  - ]:           5 :         return;
    2249                 :             :     }
    2250                 :             : 
    2251         [ #  # ]:           0 :     std::string err_string;
    2252   [ #  #  #  # ]:           0 :     if (!SubmitTxMemoryPoolAndRelay(*wtx, err_string, true)) {
    2253         [ #  # ]:           0 :         WalletLogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", err_string);
    2254                 :             :         // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
    2255                 :             :     }
    2256         [ -  - ]:           5 : }
    2257                 :             : 
    2258                 :          52 : DBErrors CWallet::LoadWallet()
    2259                 :             : {
    2260                 :          52 :     LOCK(cs_wallet);
    2261                 :             : 
    2262         [ +  - ]:          52 :     Assert(m_spk_managers.empty());
    2263         [ +  - ]:          52 :     Assert(m_wallet_flags == 0);
    2264   [ +  -  +  - ]:          52 :     DBErrors nLoadWalletRet = WalletBatch(GetDatabase()).LoadWallet(this);
    2265         [ -  + ]:          52 :     if (nLoadWalletRet == DBErrors::NEED_REWRITE)
    2266                 :             :     {
    2267   [ #  #  #  # ]:           0 :         if (GetDatabase().Rewrite("\x04pool"))
    2268                 :             :         {
    2269         [ #  # ]:           0 :             for (const auto& spk_man_pair : m_spk_managers) {
    2270         [ #  # ]:           0 :                 spk_man_pair.second->RewriteDB();
    2271                 :             :             }
    2272                 :             :         }
    2273                 :             :     }
    2274                 :             : 
    2275         [ +  + ]:          52 :     if (m_spk_managers.empty()) {
    2276         [ -  + ]:          49 :         assert(m_external_spk_managers.empty());
    2277         [ -  + ]:          49 :         assert(m_internal_spk_managers.empty());
    2278                 :             :     }
    2279                 :             : 
    2280         [ +  - ]:          52 :     return nLoadWalletRet;
    2281                 :          52 : }
    2282                 :             : 
    2283                 :           1 : util::Result<void> CWallet::RemoveTxs(std::vector<Txid>& txs_to_remove)
    2284                 :             : {
    2285                 :           1 :     AssertLockHeld(cs_wallet);
    2286         [ +  - ]:           1 :     bilingual_str str_err;  // future: make RunWithinTxn return a util::Result
    2287   [ +  -  +  - ]:           1 :     bool was_txn_committed = RunWithinTxn(GetDatabase(), /*process_desc=*/"remove transactions", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
    2288                 :           1 :         util::Result<void> result{RemoveTxs(batch, txs_to_remove)};
    2289   [ -  +  -  - ]:           1 :         if (!result) str_err = util::ErrorString(result);
    2290                 :           1 :         return result.has_value();
    2291                 :           1 :     });
    2292   [ -  +  -  - ]:           1 :     if (!str_err.empty()) return util::Error{str_err};
    2293   [ -  +  -  - ]:           1 :     if (!was_txn_committed) return util::Error{_("Error starting/committing db txn for wallet transactions removal process")};
    2294                 :           1 :     return {}; // all good
    2295                 :           1 : }
    2296                 :             : 
    2297                 :           1 : util::Result<void> CWallet::RemoveTxs(WalletBatch& batch, std::vector<Txid>& txs_to_remove)
    2298                 :             : {
    2299                 :           1 :     AssertLockHeld(cs_wallet);
    2300         [ -  + ]:           1 :     if (!batch.HasActiveTxn()) return util::Error{strprintf(_("The transactions removal process can only be executed within a db txn"))};
    2301                 :             : 
    2302                 :             :     // Check for transaction existence and remove entries from disk
    2303                 :           1 :     std::vector<decltype(mapWallet)::const_iterator> erased_txs;
    2304                 :           1 :     bilingual_str str_err;
    2305         [ +  + ]:           2 :     for (const Txid& hash : txs_to_remove) {
    2306         [ +  - ]:           1 :         auto it_wtx = mapWallet.find(hash);
    2307         [ -  + ]:           1 :         if (it_wtx == mapWallet.end()) {
    2308   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Transaction %s does not belong to this wallet"), hash.GetHex())};
    2309                 :             :         }
    2310   [ +  -  -  + ]:           1 :         if (!batch.EraseTx(hash)) {
    2311   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Failure removing transaction: %s"), hash.GetHex())};
    2312                 :             :         }
    2313         [ +  - ]:           1 :         erased_txs.emplace_back(it_wtx);
    2314                 :             :     }
    2315                 :             : 
    2316                 :             :     // Register callback to update the memory state only when the db txn is actually dumped to disk
    2317   [ +  -  +  -  :           6 :     batch.RegisterTxnListener({.on_commit=[&, erased_txs]() EXCLUSIVE_LOCKS_REQUIRED(cs_wallet) {
                   +  - ]
    2318                 :             :         // Update the in-memory state and notify upper layers about the removals
    2319         [ +  + ]:           2 :         for (const auto& it : erased_txs) {
    2320                 :           1 :             const Txid hash{it->first};
    2321                 :           1 :             wtxOrdered.erase(it->second.m_it_wtxOrdered);
    2322         [ +  + ]:           2 :             for (const auto& txin : it->second.tx->vin)
    2323                 :           1 :                 mapTxSpends.erase(txin.prevout);
    2324                 :           1 :             mapWallet.erase(it);
    2325                 :           1 :             NotifyTransactionChanged(hash, CT_DELETED);
    2326                 :             :         }
    2327                 :             : 
    2328                 :           1 :         MarkDirty();
    2329                 :           1 :     }, .on_abort={}});
    2330                 :             : 
    2331                 :           1 :     return {};
    2332   [ +  -  +  - ]:           2 : }
    2333                 :             : 
    2334                 :        6218 : bool CWallet::SetAddressBookWithDB(WalletBatch& batch, const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& new_purpose)
    2335                 :             : {
    2336                 :        6218 :     bool fUpdated = false;
    2337                 :        6218 :     bool is_mine;
    2338                 :        6218 :     std::optional<AddressPurpose> purpose;
    2339                 :        6218 :     {
    2340                 :        6218 :         LOCK(cs_wallet);
    2341                 :        6218 :         std::map<CTxDestination, CAddressBookData>::iterator mi = m_address_book.find(address);
    2342   [ +  +  -  + ]:        6218 :         fUpdated = mi != m_address_book.end() && !mi->second.IsChange();
    2343                 :             : 
    2344   [ +  +  +  - ]:        6218 :         CAddressBookData& record = mi != m_address_book.end() ? mi->second : m_address_book[address];
    2345         [ +  - ]:       12436 :         record.SetLabel(strName);
    2346         [ +  - ]:        6218 :         is_mine = IsMine(address) != ISMINE_NO;
    2347         [ +  - ]:        6218 :         if (new_purpose) { /* update purpose only if requested */
    2348                 :        6218 :             record.purpose = new_purpose;
    2349                 :             :         }
    2350         [ +  - ]:        6218 :         purpose = record.purpose;
    2351                 :           0 :     }
    2352                 :             : 
    2353                 :        6218 :     const std::string& encoded_dest = EncodeDestination(address);
    2354   [ +  -  +  -  :       12436 :     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   [ +  -  -  + ]:        6218 :     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   [ +  +  +  - ]:       12436 :     NotifyAddressBookChanged(address, strName, is_mine,
    2365   [ -  +  +  - ]:        6218 :                              purpose.value_or(is_mine ? AddressPurpose::RECEIVE : AddressPurpose::SEND),
    2366                 :             :                              (fUpdated ? CT_UPDATED : CT_NEW));
    2367                 :             :     return true;
    2368                 :        6218 : }
    2369                 :             : 
    2370                 :        6218 : bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::optional<AddressPurpose>& purpose)
    2371                 :             : {
    2372                 :        6218 :     WalletBatch batch(GetDatabase());
    2373         [ +  - ]:        6218 :     return SetAddressBookWithDB(batch, address, strName, purpose);
    2374                 :        6218 : }
    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                 :           0 : bool CWallet::DelAddressBookWithDB(WalletBatch& batch, const CTxDestination& address)
    2384                 :             : {
    2385                 :           0 :     const std::string& dest = EncodeDestination(address);
    2386                 :           0 :     {
    2387         [ #  # ]:           0 :         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   [ #  #  #  # ]:           0 :         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   [ #  #  #  # ]:           0 :         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   [ #  #  #  # ]:           0 :         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   [ #  #  #  # ]:           0 :         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         [ #  # ]:           0 :         m_address_book.erase(address);
    2415                 :           0 :     }
    2416                 :             : 
    2417                 :             :     // All good, signal changes
    2418   [ #  #  #  # ]:           0 :     NotifyAddressBookChanged(address, "", /*is_mine=*/false, AddressPurpose::SEND, CT_DELETED);
    2419                 :           0 :     return true;
    2420                 :           0 : }
    2421                 :             : 
    2422                 :           0 : size_t CWallet::KeypoolCountExternalKeys() const
    2423                 :             : {
    2424                 :           0 :     AssertLockHeld(cs_wallet);
    2425                 :             : 
    2426                 :           0 :     unsigned int count = 0;
    2427         [ #  # ]:           0 :     for (auto spk_man : m_external_spk_managers) {
    2428                 :           0 :         count += spk_man.second->GetKeyPoolSize();
    2429                 :             :     }
    2430                 :             : 
    2431                 :           0 :     return count;
    2432                 :             : }
    2433                 :             : 
    2434                 :           5 : unsigned int CWallet::GetKeyPoolSize() const
    2435                 :             : {
    2436                 :           5 :     AssertLockHeld(cs_wallet);
    2437                 :             : 
    2438                 :           5 :     unsigned int count = 0;
    2439         [ +  + ]:          45 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2440         [ +  - ]:          40 :         count += spk_man->GetKeyPoolSize();
    2441                 :           5 :     }
    2442                 :           5 :     return count;
    2443                 :             : }
    2444                 :             : 
    2445                 :           5 : bool CWallet::TopUpKeyPool(unsigned int kpSize)
    2446                 :             : {
    2447                 :           5 :     LOCK(cs_wallet);
    2448                 :           5 :     bool res = true;
    2449   [ +  -  +  + ]:          45 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    2450         [ +  - ]:          40 :         res &= spk_man->TopUp(kpSize);
    2451                 :           0 :     }
    2452         [ +  - ]:           5 :     return res;
    2453                 :           5 : }
    2454                 :             : 
    2455                 :        6165 : util::Result<CTxDestination> CWallet::GetNewDestination(const OutputType type, const std::string label)
    2456                 :             : {
    2457                 :        6165 :     LOCK(cs_wallet);
    2458         [ +  - ]:        6165 :     auto spk_man = GetScriptPubKeyMan(type, /*internal=*/false);
    2459         [ +  + ]:        6165 :     if (!spk_man) {
    2460   [ +  -  +  - ]:           3 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
    2461                 :             :     }
    2462                 :             : 
    2463         [ +  - ]:        6164 :     auto op_dest = spk_man->GetNewDestination(type);
    2464         [ +  - ]:        6164 :     if (op_dest) {
    2465         [ +  - ]:        6164 :         SetAddressBook(*op_dest, label, AddressPurpose::RECEIVE);
    2466                 :             :     }
    2467                 :             : 
    2468                 :        6164 :     return op_dest;
    2469                 :       12329 : }
    2470                 :             : 
    2471                 :           0 : util::Result<CTxDestination> CWallet::GetNewChangeDestination(const OutputType type)
    2472                 :             : {
    2473                 :           0 :     LOCK(cs_wallet);
    2474                 :             : 
    2475         [ #  # ]:           0 :     ReserveDestination reservedest(this, type);
    2476         [ #  # ]:           0 :     auto op_dest = reservedest.GetReservedDestination(true);
    2477   [ #  #  #  # ]:           0 :     if (op_dest) reservedest.KeepDestination();
    2478                 :             : 
    2479                 :           0 :     return op_dest;
    2480         [ #  # ]:           0 : }
    2481                 :             : 
    2482                 :           0 : void CWallet::MarkDestinationsDirty(const std::set<CTxDestination>& destinations) {
    2483   [ #  #  #  # ]:           0 :     for (auto& entry : mapWallet) {
    2484                 :           0 :         CWalletTx& wtx = entry.second;
    2485         [ #  # ]:           0 :         if (wtx.m_is_cache_empty) continue;
    2486         [ #  # ]:           0 :         for (unsigned int i = 0; i < wtx.tx->vout.size(); i++) {
    2487                 :           0 :             CTxDestination dst;
    2488   [ #  #  #  #  :           0 :             if (ExtractDestination(wtx.tx->vout[i].scriptPubKey, dst) && destinations.count(dst)) {
                   #  # ]
    2489                 :           0 :                 wtx.MarkDirty();
    2490                 :           0 :                 break;
    2491                 :             :             }
    2492                 :           0 :         }
    2493                 :             :     }
    2494                 :           0 : }
    2495                 :             : 
    2496                 :           0 : void CWallet::ForEachAddrBookEntry(const ListAddrBookFunc& func) const
    2497                 :             : {
    2498                 :           0 :     AssertLockHeld(cs_wallet);
    2499         [ #  # ]:           0 :     for (const std::pair<const CTxDestination, CAddressBookData>& item : m_address_book) {
    2500                 :           0 :         const auto& entry = item.second;
    2501   [ #  #  #  # ]:           0 :         func(item.first, entry.GetLabel(), entry.IsChange(), entry.purpose);
    2502                 :             :     }
    2503                 :           0 : }
    2504                 :             : 
    2505                 :           0 : std::vector<CTxDestination> CWallet::ListAddrBookAddresses(const std::optional<AddrBookFilter>& _filter) const
    2506                 :             : {
    2507                 :           0 :     AssertLockHeld(cs_wallet);
    2508                 :           0 :     std::vector<CTxDestination> result;
    2509   [ #  #  #  # ]:           0 :     AddrBookFilter filter = _filter ? *_filter : AddrBookFilter();
    2510         [ #  # ]:           0 :     ForEachAddrBookEntry([&result, &filter](const CTxDestination& dest, const std::string& label, bool is_change, const std::optional<AddressPurpose>& purpose) {
    2511                 :             :         // Filter by change
    2512   [ #  #  #  # ]:           0 :         if (filter.ignore_change && is_change) return;
    2513                 :             :         // Filter by label
    2514   [ #  #  #  # ]:           0 :         if (filter.m_op_label && *filter.m_op_label != label) return;
    2515                 :             :         // All good
    2516                 :           0 :         result.emplace_back(dest);
    2517                 :             :     });
    2518                 :           0 :     return result;
    2519                 :           0 : }
    2520                 :             : 
    2521                 :           0 : std::set<std::string> CWallet::ListAddrBookLabels(const std::optional<AddressPurpose> purpose) const
    2522                 :             : {
    2523                 :           0 :     AssertLockHeld(cs_wallet);
    2524         [ #  # ]:           0 :     std::set<std::string> label_set;
    2525         [ #  # ]:           0 :     ForEachAddrBookEntry([&](const CTxDestination& _dest, const std::string& _label,
    2526                 :             :                              bool _is_change, const std::optional<AddressPurpose>& _purpose) {
    2527         [ #  # ]:           0 :         if (_is_change) return;
    2528   [ #  #  #  # ]:           0 :         if (!purpose || purpose == _purpose) {
    2529                 :           0 :             label_set.insert(_label);
    2530                 :             :         }
    2531                 :             :     });
    2532                 :           0 :     return label_set;
    2533                 :           0 : }
    2534                 :             : 
    2535                 :          15 : util::Result<CTxDestination> ReserveDestination::GetReservedDestination(bool internal)
    2536                 :             : {
    2537                 :          15 :     m_spk_man = pwallet->GetScriptPubKeyMan(type, internal);
    2538         [ -  + ]:          15 :     if (!m_spk_man) {
    2539                 :           0 :         return util::Error{strprintf(_("Error: No %s addresses available."), FormatOutputType(type))};
    2540                 :             :     }
    2541                 :             : 
    2542         [ +  - ]:          15 :     if (nIndex == -1) {
    2543                 :          15 :         int64_t index;
    2544                 :          15 :         auto op_address = m_spk_man->GetReservedDestination(type, internal, index);
    2545         [ -  + ]:          15 :         if (!op_address) return op_address;
    2546                 :          15 :         nIndex = index;
    2547         [ +  - ]:          30 :         address = *op_address;
    2548                 :          15 :     }
    2549                 :          15 :     return address;
    2550                 :             : }
    2551                 :             : 
    2552                 :          13 : void ReserveDestination::KeepDestination()
    2553                 :             : {
    2554         [ +  - ]:          13 :     if (nIndex != -1) {
    2555                 :          13 :         m_spk_man->KeepDestination(nIndex, type);
    2556                 :             :     }
    2557                 :          13 :     nIndex = -1;
    2558                 :          13 :     address = CNoDestination();
    2559                 :          13 : }
    2560                 :             : 
    2561                 :          15 : void ReserveDestination::ReturnDestination()
    2562                 :             : {
    2563         [ +  + ]:          15 :     if (nIndex != -1) {
    2564                 :           2 :         m_spk_man->ReturnDestination(nIndex, fInternal, address);
    2565                 :             :     }
    2566                 :          15 :     nIndex = -1;
    2567                 :          15 :     address = CNoDestination();
    2568                 :          15 : }
    2569                 :             : 
    2570                 :           0 : util::Result<void> CWallet::DisplayAddress(const CTxDestination& dest)
    2571                 :             : {
    2572                 :           0 :     CScript scriptPubKey = GetScriptForDestination(dest);
    2573   [ #  #  #  # ]:           0 :     for (const auto& spk_man : GetScriptPubKeyMans(scriptPubKey)) {
    2574         [ #  # ]:           0 :         auto signer_spk_man = dynamic_cast<ExternalSignerScriptPubKeyMan *>(spk_man);
    2575         [ #  # ]:           0 :         if (signer_spk_man == nullptr) {
    2576                 :           0 :             continue;
    2577                 :             :         }
    2578         [ #  # ]:           0 :         auto signer{ExternalSignerScriptPubKeyMan::GetExternalSigner()};
    2579   [ #  #  #  #  :           0 :         if (!signer) throw std::runtime_error(util::ErrorString(signer).original);
                   #  # ]
    2580         [ #  # ]:           0 :         return signer_spk_man->DisplayAddress(dest, *signer);
    2581                 :           0 :     }
    2582         [ #  # ]:           0 :     return util::Error{_("There is no ScriptPubKeyManager for this address")};
    2583                 :           0 : }
    2584                 :             : 
    2585                 :          10 : bool CWallet::LockCoin(const COutPoint& output, WalletBatch* batch)
    2586                 :             : {
    2587                 :          10 :     AssertLockHeld(cs_wallet);
    2588                 :          10 :     setLockedCoins.insert(output);
    2589         [ -  + ]:          10 :     if (batch) {
    2590                 :           0 :         return batch->WriteLockedUTXO(output);
    2591                 :             :     }
    2592                 :             :     return true;
    2593                 :             : }
    2594                 :             : 
    2595                 :          15 : bool CWallet::UnlockCoin(const COutPoint& output, WalletBatch* batch)
    2596                 :             : {
    2597                 :          15 :     AssertLockHeld(cs_wallet);
    2598                 :          15 :     bool was_locked = setLockedCoins.erase(output);
    2599         [ -  + ]:          15 :     if (batch && was_locked) {
    2600                 :           0 :         return batch->EraseLockedUTXO(output);
    2601                 :             :     }
    2602                 :             :     return true;
    2603                 :             : }
    2604                 :             : 
    2605                 :           0 : bool CWallet::UnlockAllCoins()
    2606                 :             : {
    2607                 :           0 :     AssertLockHeld(cs_wallet);
    2608                 :           0 :     bool success = true;
    2609                 :           0 :     WalletBatch batch(GetDatabase());
    2610         [ #  # ]:           0 :     for (auto it = setLockedCoins.begin(); it != setLockedCoins.end(); ++it) {
    2611         [ #  # ]:           0 :         success &= batch.EraseLockedUTXO(*it);
    2612                 :             :     }
    2613                 :           0 :     setLockedCoins.clear();
    2614                 :           0 :     return success;
    2615                 :           0 : }
    2616                 :             : 
    2617                 :          90 : bool CWallet::IsLockedCoin(const COutPoint& output) const
    2618                 :             : {
    2619                 :          90 :     AssertLockHeld(cs_wallet);
    2620                 :          90 :     return setLockedCoins.count(output) > 0;
    2621                 :             : }
    2622                 :             : 
    2623                 :           0 : void CWallet::ListLockedCoins(std::vector<COutPoint>& vOutpts) const
    2624                 :             : {
    2625                 :           0 :     AssertLockHeld(cs_wallet);
    2626                 :           0 :     for (std::set<COutPoint>::iterator it = setLockedCoins.begin();
    2627         [ #  # ]:           0 :          it != setLockedCoins.end(); it++) {
    2628                 :           0 :         COutPoint outpt = (*it);
    2629                 :           0 :         vOutpts.push_back(outpt);
    2630                 :             :     }
    2631                 :           0 : }
    2632                 :             : 
    2633                 :             : /**
    2634                 :             :  * Compute smart timestamp for a transaction being added to the wallet.
    2635                 :             :  *
    2636                 :             :  * Logic:
    2637                 :             :  * - If sending a transaction, assign its timestamp to the current time.
    2638                 :             :  * - If receiving a transaction outside a block, assign its timestamp to the
    2639                 :             :  *   current time.
    2640                 :             :  * - If receiving a transaction during a rescanning process, assign all its
    2641                 :             :  *   (not already known) transactions' timestamps to the block time.
    2642                 :             :  * - If receiving a block with a future timestamp, assign all its (not already
    2643                 :             :  *   known) transactions' timestamps to the current time.
    2644                 :             :  * - If receiving a block with a past timestamp, before the most recent known
    2645                 :             :  *   transaction (that we care about), assign all its (not already known)
    2646                 :             :  *   transactions' timestamps to the same timestamp as that most-recent-known
    2647                 :             :  *   transaction.
    2648                 :             :  * - If receiving a block with a past timestamp, but after the most recent known
    2649                 :             :  *   transaction, assign all its (not already known) transactions' timestamps to
    2650                 :             :  *   the block time.
    2651                 :             :  *
    2652                 :             :  * For more information see CWalletTx::nTimeSmart,
    2653                 :             :  * https://bitcointalk.org/?topic=54527, or
    2654                 :             :  * https://github.com/bitcoin/bitcoin/pull/1393.
    2655                 :             :  */
    2656                 :         428 : unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx, bool rescanning_old_block) const
    2657                 :             : {
    2658                 :         428 :     std::optional<uint256> block_hash;
    2659         [ +  + ]:         428 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    2660                 :         417 :         block_hash = conf->confirmed_block_hash;
    2661         [ -  + ]:          11 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    2662                 :           0 :         block_hash = conf->conflicting_block_hash;
    2663                 :             :     }
    2664                 :             : 
    2665                 :         428 :     unsigned int nTimeSmart = wtx.nTimeReceived;
    2666         [ +  + ]:         428 :     if (block_hash) {
    2667                 :         417 :         int64_t blocktime;
    2668                 :         417 :         int64_t block_max_time;
    2669         [ +  - ]:         417 :         if (chain().findBlock(*block_hash, FoundBlock().time(blocktime).maxTime(block_max_time))) {
    2670         [ +  + ]:         417 :             if (rescanning_old_block) {
    2671                 :         411 :                 nTimeSmart = block_max_time;
    2672                 :             :             } else {
    2673                 :           6 :                 int64_t latestNow = wtx.nTimeReceived;
    2674                 :           6 :                 int64_t latestEntry = 0;
    2675                 :             : 
    2676                 :             :                 // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
    2677                 :           6 :                 int64_t latestTolerated = latestNow + 300;
    2678                 :           6 :                 const TxItems& txOrdered = wtxOrdered;
    2679         [ +  + ]:          14 :                 for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
    2680                 :          12 :                     CWalletTx* const pwtx = it->second;
    2681         [ +  + ]:          12 :                     if (pwtx == &wtx) {
    2682                 :           6 :                         continue;
    2683                 :             :                     }
    2684                 :           6 :                     int64_t nSmartTime;
    2685                 :           6 :                     nSmartTime = pwtx->nTimeSmart;
    2686         [ -  + ]:           6 :                     if (!nSmartTime) {
    2687                 :           0 :                         nSmartTime = pwtx->nTimeReceived;
    2688                 :             :                     }
    2689         [ +  + ]:           6 :                     if (nSmartTime <= latestTolerated) {
    2690                 :           4 :                         latestEntry = nSmartTime;
    2691         [ +  + ]:           4 :                         if (nSmartTime > latestNow) {
    2692                 :           1 :                             latestNow = nSmartTime;
    2693                 :             :                         }
    2694                 :             :                         break;
    2695                 :             :                     }
    2696                 :             :                 }
    2697                 :             : 
    2698   [ +  +  +  + ]:          13 :                 nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
    2699                 :             :             }
    2700                 :             :         } else {
    2701   [ #  #  #  # ]:           0 :             WalletLogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), block_hash->ToString());
    2702                 :             :         }
    2703                 :             :     }
    2704                 :         428 :     return nTimeSmart;
    2705                 :             : }
    2706                 :             : 
    2707                 :           0 : bool CWallet::SetAddressPreviouslySpent(WalletBatch& batch, const CTxDestination& dest, bool used)
    2708                 :             : {
    2709         [ #  # ]:           0 :     if (std::get_if<CNoDestination>(&dest))
    2710                 :             :         return false;
    2711                 :             : 
    2712         [ #  # ]:           0 :     if (!used) {
    2713         [ #  # ]:           0 :         if (auto* data{common::FindKey(m_address_book, dest)}) data->previously_spent = false;
    2714                 :           0 :         return batch.WriteAddressPreviouslySpent(dest, false);
    2715                 :             :     }
    2716                 :             : 
    2717                 :           0 :     LoadAddressPreviouslySpent(dest);
    2718                 :           0 :     return batch.WriteAddressPreviouslySpent(dest, true);
    2719                 :             : }
    2720                 :             : 
    2721                 :           2 : void CWallet::LoadAddressPreviouslySpent(const CTxDestination& dest)
    2722                 :             : {
    2723                 :           2 :     m_address_book[dest].previously_spent = true;
    2724                 :           2 : }
    2725                 :             : 
    2726                 :           3 : void CWallet::LoadAddressReceiveRequest(const CTxDestination& dest, const std::string& id, const std::string& request)
    2727                 :             : {
    2728                 :           3 :     m_address_book[dest].receive_requests[id] = request;
    2729                 :           3 : }
    2730                 :             : 
    2731                 :           5 : bool CWallet::IsAddressPreviouslySpent(const CTxDestination& dest) const
    2732                 :             : {
    2733         [ +  + ]:           5 :     if (auto* data{common::FindKey(m_address_book, dest)}) return data->previously_spent;
    2734                 :             :     return false;
    2735                 :             : }
    2736                 :             : 
    2737                 :           2 : std::vector<std::string> CWallet::GetAddressReceiveRequests() const
    2738                 :             : {
    2739                 :           2 :     std::vector<std::string> values;
    2740         [ +  + ]:           5 :     for (const auto& [dest, entry] : m_address_book) {
    2741   [ +  -  +  + ]:           6 :         for (const auto& [id, request] : entry.receive_requests) {
    2742         [ +  - ]:           3 :             values.emplace_back(request);
    2743                 :             :         }
    2744                 :             :     }
    2745                 :           2 :     return values;
    2746                 :           0 : }
    2747                 :             : 
    2748                 :           4 : bool CWallet::SetAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id, const std::string& value)
    2749                 :             : {
    2750         [ +  - ]:           4 :     if (!batch.WriteAddressReceiveRequest(dest, id, value)) return false;
    2751                 :           4 :     m_address_book[dest].receive_requests[id] = value;
    2752                 :           4 :     return true;
    2753                 :             : }
    2754                 :             : 
    2755                 :           1 : bool CWallet::EraseAddressReceiveRequest(WalletBatch& batch, const CTxDestination& dest, const std::string& id)
    2756                 :             : {
    2757         [ +  - ]:           1 :     if (!batch.EraseAddressReceiveRequest(dest, id)) return false;
    2758                 :           1 :     m_address_book[dest].receive_requests.erase(id);
    2759                 :           1 :     return true;
    2760                 :             : }
    2761                 :             : 
    2762                 :          12 : static util::Result<fs::path> GetWalletPath(const std::string& name)
    2763                 :             : {
    2764                 :             :     // Do some checking on wallet path. It should be either a:
    2765                 :             :     //
    2766                 :             :     // 1. Path where a directory can be created.
    2767                 :             :     // 2. Path to an existing directory.
    2768                 :             :     // 3. Path to a symlink to a directory.
    2769                 :             :     // 4. For backwards compatibility, the name of a data file in -walletdir.
    2770   [ +  -  +  - ]:          24 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(name));
    2771         [ +  - ]:          12 :     fs::file_type path_type = fs::symlink_status(wallet_path).type();
    2772   [ -  +  -  -  :          24 :     if (!(path_type == fs::file_type::not_found || path_type == fs::file_type::directory ||
             -  -  -  + ]
    2773   [ #  #  #  # ]:           0 :           (path_type == fs::file_type::symlink && fs::is_directory(wallet_path)) ||
    2774   [ -  -  -  -  :          12 :           (path_type == fs::file_type::regular && fs::PathFromString(name).filename() == fs::PathFromString(name)))) {
          -  -  -  -  -  
          +  +  -  -  -  
                   -  - ]
    2775   [ #  #  #  # ]:           0 :         return util::Error{Untranslated(strprintf(
    2776                 :             :               "Invalid -wallet path '%s'. -wallet path should point to a directory where wallet.dat and "
    2777                 :             :               "database/log.?????????? files can be stored, a location where such a directory could be created, "
    2778                 :             :               "or (for backwards compatibility) the name of an existing data file in -walletdir (%s)",
    2779   [ #  #  #  # ]:           0 :               name, fs::quoted(fs::PathToString(GetWalletDir()))))};
    2780                 :             :     }
    2781         [ +  - ]:          24 :     return wallet_path;
    2782                 :          12 : }
    2783                 :             : 
    2784                 :          12 : std::unique_ptr<WalletDatabase> MakeWalletDatabase(const std::string& name, const DatabaseOptions& options, DatabaseStatus& status, bilingual_str& error_string)
    2785                 :             : {
    2786                 :          12 :     const auto& wallet_path = GetWalletPath(name);
    2787         [ -  + ]:          12 :     if (!wallet_path) {
    2788         [ #  # ]:           0 :         error_string = util::ErrorString(wallet_path);
    2789                 :           0 :         status = DatabaseStatus::FAILED_BAD_PATH;
    2790                 :           0 :         return nullptr;
    2791                 :             :     }
    2792         [ +  - ]:          12 :     return MakeDatabase(*wallet_path, options, status, error_string);
    2793                 :          12 : }
    2794                 :             : 
    2795                 :           5 : 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)
    2796                 :             : {
    2797                 :           5 :     interfaces::Chain* chain = context.chain;
    2798                 :           5 :     ArgsManager& args = *Assert(context.args);
    2799                 :           5 :     const std::string& walletFile = database->Filename();
    2800                 :             : 
    2801                 :           5 :     const auto start{SteadyClock::now()};
    2802                 :             :     // TODO: Can't use std::make_shared because we need a custom deleter but
    2803                 :             :     // should be possible to use std::allocate_shared.
    2804   [ +  -  +  -  :          10 :     std::shared_ptr<CWallet> walletInstance(new CWallet(chain, name, std::move(database)), FlushAndDeleteWallet);
             +  -  -  - ]
    2805   [ +  -  +  -  :          10 :     walletInstance->m_keypool_size = std::max(args.GetIntArg("-keypool", DEFAULT_KEYPOOL_SIZE), int64_t{1});
                   +  - ]
    2806   [ +  -  +  -  :           5 :     walletInstance->m_notify_tx_changed_script = args.GetArg("-walletnotify", "");
                   +  - ]
    2807                 :             : 
    2808                 :             :     // Load wallet
    2809                 :           5 :     bool rescan_required = false;
    2810         [ +  - ]:           5 :     DBErrors nLoadWalletRet = walletInstance->LoadWallet();
    2811   [ -  -  -  -  :           5 :     if (nLoadWalletRet != DBErrors::LOAD_OK) {
          -  -  -  -  -  
                   -  + ]
    2812                 :             :         if (nLoadWalletRet == DBErrors::CORRUPT) {
    2813         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet corrupted"), walletFile);
    2814                 :           0 :             return nullptr;
    2815                 :             :         }
    2816                 :             :         else if (nLoadWalletRet == DBErrors::NONCRITICAL_ERROR)
    2817                 :             :         {
    2818         [ #  # ]:           0 :             warnings.push_back(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
    2819                 :             :                                            " or address metadata may be missing or incorrect."),
    2820                 :             :                 walletFile));
    2821                 :             :         }
    2822                 :             :         else if (nLoadWalletRet == DBErrors::TOO_NEW) {
    2823         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet requires newer version of %s"), walletFile, CLIENT_NAME);
    2824                 :           0 :             return nullptr;
    2825                 :             :         }
    2826                 :             :         else if (nLoadWalletRet == DBErrors::EXTERNAL_SIGNER_SUPPORT_REQUIRED) {
    2827         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: External signer wallet being loaded without external signer support compiled"), walletFile);
    2828                 :           0 :             return nullptr;
    2829                 :             :         }
    2830                 :             :         else if (nLoadWalletRet == DBErrors::NEED_REWRITE)
    2831                 :             :         {
    2832         [ #  # ]:           0 :             error = strprintf(_("Wallet needed to be rewritten: restart %s to complete"), CLIENT_NAME);
    2833                 :           0 :             return nullptr;
    2834                 :             :         } else if (nLoadWalletRet == DBErrors::NEED_RESCAN) {
    2835         [ #  # ]:           0 :             warnings.push_back(strprintf(_("Error reading %s! Transaction data may be missing or incorrect."
    2836                 :             :                                            " Rescanning wallet."), walletFile));
    2837                 :           0 :             rescan_required = true;
    2838                 :             :         } else if (nLoadWalletRet == DBErrors::UNKNOWN_DESCRIPTOR) {
    2839         [ #  # ]:           0 :             error = strprintf(_("Unrecognized descriptor found. Loading wallet %s\n\n"
    2840                 :             :                                 "The wallet might had been created on a newer version.\n"
    2841                 :           0 :                                 "Please try running the latest software version.\n"), walletFile);
    2842                 :           0 :             return nullptr;
    2843                 :             :         } else if (nLoadWalletRet == DBErrors::UNEXPECTED_LEGACY_ENTRY) {
    2844         [ #  # ]:           0 :             error = strprintf(_("Unexpected legacy entry in descriptor wallet found. Loading wallet %s\n\n"
    2845                 :           0 :                                 "The wallet might have been tampered with or created with malicious intent.\n"), walletFile);
    2846                 :           0 :             return nullptr;
    2847                 :             :         } else if (nLoadWalletRet == DBErrors::LEGACY_WALLET) {
    2848         [ #  # ]:           0 :             error = strprintf(_("Error loading %s: Wallet is a legacy wallet. Please migrate to a descriptor wallet using the migration tool (migratewallet RPC)."), walletFile);
    2849                 :           0 :             return nullptr;
    2850                 :             :         } else {
    2851         [ #  # ]:           0 :             error = strprintf(_("Error loading %s"), walletFile);
    2852                 :           0 :             return nullptr;
    2853                 :             :         }
    2854                 :             :     }
    2855                 :             : 
    2856                 :             :     // This wallet is in its first run if there are no ScriptPubKeyMans and it isn't blank or no privkeys
    2857   [ +  +  +  - ]:           8 :     const bool fFirstRun = walletInstance->m_spk_managers.empty() &&
    2858   [ +  +  +  -  :           8 :                      !walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) &&
                   +  - ]
    2859         [ +  - ]:           3 :                      !walletInstance->IsWalletFlagSet(WALLET_FLAG_BLANK_WALLET);
    2860                 :           5 :     if (fFirstRun)
    2861                 :             :     {
    2862         [ +  - ]:           3 :         LOCK(walletInstance->cs_wallet);
    2863                 :             : 
    2864                 :             :         // ensure this wallet.dat can only be opened by clients supporting HD with chain split and expects no default key
    2865         [ +  - ]:           3 :         walletInstance->SetMinVersion(FEATURE_LATEST);
    2866                 :             : 
    2867         [ +  - ]:           3 :         walletInstance->InitWalletFlags(wallet_creation_flags);
    2868                 :             : 
    2869                 :             :         // Only descriptor wallets can be created
    2870   [ +  -  -  + ]:           3 :         assert(walletInstance->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    2871                 :             : 
    2872   [ +  -  +  - ]:           3 :         if ((wallet_creation_flags & WALLET_FLAG_EXTERNAL_SIGNER) || !(wallet_creation_flags & (WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET))) {
    2873         [ +  - ]:           3 :             walletInstance->SetupDescriptorScriptPubKeyMans();
    2874                 :             :         }
    2875                 :             : 
    2876         [ +  + ]:           3 :         if (chain) {
    2877         [ +  - ]:           2 :             std::optional<int> tip_height = chain->getHeight();
    2878         [ +  - ]:           2 :             if (tip_height) {
    2879   [ +  -  +  - ]:           2 :                 walletInstance->SetLastBlockProcessed(*tip_height, chain->getBlockHash(*tip_height));
    2880                 :             :             }
    2881                 :             :         }
    2882         [ -  + ]:           5 :     } else if (wallet_creation_flags & WALLET_FLAG_DISABLE_PRIVATE_KEYS) {
    2883                 :             :         // Make it impossible to disable private keys after creation
    2884         [ #  # ]:           0 :         error = strprintf(_("Error loading %s: Private keys can only be disabled during creation"), walletFile);
    2885                 :           0 :         return nullptr;
    2886   [ +  -  -  + ]:           2 :     } else if (walletInstance->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
    2887   [ #  #  #  # ]:           0 :         for (auto spk_man : walletInstance->GetActiveScriptPubKeyMans()) {
    2888   [ #  #  #  # ]:           0 :             if (spk_man->HavePrivateKeys()) {
    2889         [ #  # ]:           0 :                 warnings.push_back(strprintf(_("Warning: Private keys detected in wallet {%s} with disabled private keys"), walletFile));
    2890                 :           0 :                 break;
    2891                 :             :             }
    2892                 :           0 :         }
    2893                 :             :     }
    2894                 :             : 
    2895   [ +  -  +  -  :           5 :     if (!args.GetArg("-addresstype", "").empty()) {
             +  -  -  + ]
    2896   [ #  #  #  #  :           0 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-addresstype", ""));
             #  #  #  # ]
    2897         [ #  # ]:           0 :         if (!parsed) {
    2898   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown address type '%s'"), args.GetArg("-addresstype", ""));
             #  #  #  # ]
    2899                 :           0 :             return nullptr;
    2900                 :             :         }
    2901                 :           0 :         walletInstance->m_default_address_type = parsed.value();
    2902                 :             :     }
    2903                 :             : 
    2904   [ +  -  +  -  :           5 :     if (!args.GetArg("-changetype", "").empty()) {
             +  -  -  + ]
    2905   [ #  #  #  #  :           0 :         std::optional<OutputType> parsed = ParseOutputType(args.GetArg("-changetype", ""));
             #  #  #  # ]
    2906         [ #  # ]:           0 :         if (!parsed) {
    2907   [ #  #  #  #  :           0 :             error = strprintf(_("Unknown change type '%s'"), args.GetArg("-changetype", ""));
             #  #  #  # ]
    2908                 :           0 :             return nullptr;
    2909                 :             :         }
    2910                 :           0 :         walletInstance->m_default_change_type = parsed.value();
    2911                 :             :     }
    2912                 :             : 
    2913   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-mintxfee")}) {
                   -  + ]
    2914         [ #  # ]:           0 :         std::optional<CAmount> min_tx_fee = ParseMoney(*arg);
    2915         [ #  # ]:           0 :         if (!min_tx_fee) {
    2916   [ #  #  #  # ]:           0 :             error = AmountErrMsg("mintxfee", *arg);
    2917                 :           0 :             return nullptr;
    2918         [ #  # ]:           0 :         } else if (min_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    2919   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-mintxfee") + Untranslated(" ") +
                   #  # ]
    2920   [ #  #  #  # ]:           0 :                                _("This is the minimum transaction fee you pay on every transaction."));
    2921                 :             :         }
    2922                 :             : 
    2923                 :           0 :         walletInstance->m_min_fee = CFeeRate{min_tx_fee.value()};
    2924                 :           0 :     }
    2925                 :             : 
    2926   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-maxapsfee")}) {
                   -  + ]
    2927         [ #  # ]:           0 :         const std::string& max_aps_fee{*arg};
    2928         [ #  # ]:           0 :         if (max_aps_fee == "-1") {
    2929                 :           0 :             walletInstance->m_max_aps_fee = -1;
    2930   [ #  #  #  # ]:           0 :         } else if (std::optional<CAmount> max_fee = ParseMoney(max_aps_fee)) {
    2931         [ #  # ]:           0 :             if (max_fee.value() > HIGH_APS_FEE) {
    2932   [ #  #  #  #  :           0 :                 warnings.push_back(AmountHighWarn("-maxapsfee") + Untranslated(" ") +
                   #  # ]
    2933   [ #  #  #  # ]:           0 :                                   _("This is the maximum transaction fee you pay (in addition to the normal fee) to prioritize partial spend avoidance over regular coin selection."));
    2934                 :             :             }
    2935                 :           0 :             walletInstance->m_max_aps_fee = max_fee.value();
    2936                 :             :         } else {
    2937   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxapsfee", max_aps_fee);
    2938                 :           0 :             return nullptr;
    2939                 :             :         }
    2940                 :           0 :     }
    2941                 :             : 
    2942   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-fallbackfee")}) {
                   -  + ]
    2943         [ #  # ]:           0 :         std::optional<CAmount> fallback_fee = ParseMoney(*arg);
    2944         [ #  # ]:           0 :         if (!fallback_fee) {
    2945         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-fallbackfee", *arg);
    2946                 :           0 :             return nullptr;
    2947         [ #  # ]:           0 :         } else if (fallback_fee.value() > HIGH_TX_FEE_PER_KB) {
    2948   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-fallbackfee") + Untranslated(" ") +
                   #  # ]
    2949   [ #  #  #  # ]:           0 :                                _("This is the transaction fee you may pay when fee estimates are not available."));
    2950                 :             :         }
    2951                 :           0 :         walletInstance->m_fallback_fee = CFeeRate{fallback_fee.value()};
    2952                 :           0 :     }
    2953                 :             : 
    2954                 :             :     // Disable fallback fee in case value was set to 0, enable if non-null value
    2955         [ +  - ]:           5 :     walletInstance->m_allow_fallback_fee = walletInstance->m_fallback_fee.GetFeePerK() != 0;
    2956                 :             : 
    2957   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-discardfee")}) {
                   -  + ]
    2958         [ #  # ]:           0 :         std::optional<CAmount> discard_fee = ParseMoney(*arg);
    2959         [ #  # ]:           0 :         if (!discard_fee) {
    2960         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s'"), "-discardfee", *arg);
    2961                 :           0 :             return nullptr;
    2962         [ #  # ]:           0 :         } else if (discard_fee.value() > HIGH_TX_FEE_PER_KB) {
    2963   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-discardfee") + Untranslated(" ") +
                   #  # ]
    2964   [ #  #  #  # ]:           0 :                                _("This is the transaction fee you may discard if change is smaller than dust at this level"));
    2965                 :             :         }
    2966                 :           0 :         walletInstance->m_discard_rate = CFeeRate{discard_fee.value()};
    2967                 :           0 :     }
    2968                 :             : 
    2969   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-paytxfee")}) {
                   -  + ]
    2970         [ #  # ]:           0 :         warnings.push_back(_("-paytxfee is deprecated and will be fully removed in v31.0."));
    2971                 :             : 
    2972         [ #  # ]:           0 :         std::optional<CAmount> pay_tx_fee = ParseMoney(*arg);
    2973         [ #  # ]:           0 :         if (!pay_tx_fee) {
    2974   [ #  #  #  # ]:           0 :             error = AmountErrMsg("paytxfee", *arg);
    2975                 :           0 :             return nullptr;
    2976         [ #  # ]:           0 :         } else if (pay_tx_fee.value() > HIGH_TX_FEE_PER_KB) {
    2977   [ #  #  #  #  :           0 :             warnings.push_back(AmountHighWarn("-paytxfee") + Untranslated(" ") +
                   #  # ]
    2978   [ #  #  #  # ]:           0 :                                _("This is the transaction fee you will pay if you send a transaction."));
    2979                 :             :         }
    2980                 :             : 
    2981   [ #  #  #  # ]:           0 :         walletInstance->m_pay_tx_fee = CFeeRate{pay_tx_fee.value(), 1000};
    2982                 :             : 
    2983   [ #  #  #  #  :           0 :         if (chain && walletInstance->m_pay_tx_fee < chain->relayMinFee()) {
                   #  # ]
    2984         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least %s)"),
    2985   [ #  #  #  # ]:           0 :                 "-paytxfee", *arg, chain->relayMinFee().ToString());
    2986                 :           0 :             return nullptr;
    2987                 :             :         }
    2988                 :           0 :     }
    2989                 :             : 
    2990   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-maxtxfee")}) {
                   -  + ]
    2991         [ #  # ]:           0 :         std::optional<CAmount> max_fee = ParseMoney(*arg);
    2992         [ #  # ]:           0 :         if (!max_fee) {
    2993   [ #  #  #  # ]:           0 :             error = AmountErrMsg("maxtxfee", *arg);
    2994                 :           0 :             return nullptr;
    2995         [ #  # ]:           0 :         } else if (max_fee.value() > HIGH_MAX_TX_FEE) {
    2996         [ #  # ]:           0 :             warnings.push_back(strprintf(_("%s is set very high! Fees this large could be paid on a single transaction."), "-maxtxfee"));
    2997                 :             :         }
    2998                 :             : 
    2999   [ #  #  #  #  :           0 :         if (chain && CFeeRate{max_fee.value(), 1000} < chain->relayMinFee()) {
             #  #  #  # ]
    3000         [ #  # ]:           0 :             error = strprintf(_("Invalid amount for %s=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
    3001   [ #  #  #  # ]:           0 :                 "-maxtxfee", *arg, chain->relayMinFee().ToString());
    3002                 :           0 :             return nullptr;
    3003                 :             :         }
    3004                 :             : 
    3005         [ #  # ]:           0 :         walletInstance->m_default_max_tx_fee = max_fee.value();
    3006                 :           0 :     }
    3007                 :             : 
    3008   [ +  -  +  -  :          10 :     if (const auto arg{args.GetArg("-consolidatefeerate")}) {
                   -  + ]
    3009   [ #  #  #  # ]:           0 :         if (std::optional<CAmount> consolidate_feerate = ParseMoney(*arg)) {
    3010                 :           0 :             walletInstance->m_consolidate_feerate = CFeeRate(*consolidate_feerate);
    3011                 :             :         } else {
    3012   [ #  #  #  # ]:           0 :             error = AmountErrMsg("consolidatefeerate", *arg);
    3013                 :           0 :             return nullptr;
    3014                 :             :         }
    3015                 :           0 :     }
    3016                 :             : 
    3017   [ +  +  +  -  :           5 :     if (chain && chain->relayMinFee().GetFeePerK() > HIGH_TX_FEE_PER_KB) {
                   -  + ]
    3018   [ #  #  #  #  :           0 :         warnings.push_back(AmountHighWarn("-minrelaytxfee") + Untranslated(" ") +
                   #  # ]
    3019   [ #  #  #  # ]:           0 :                            _("The wallet will avoid paying less than the minimum relay fee."));
    3020                 :             :     }
    3021                 :             : 
    3022   [ +  -  +  - ]:           5 :     walletInstance->m_confirm_target = args.GetIntArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
    3023   [ +  -  +  - ]:           5 :     walletInstance->m_spend_zero_conf_change = args.GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
    3024   [ +  -  +  - ]:           5 :     walletInstance->m_signal_rbf = args.GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
    3025                 :             : 
    3026         [ +  - ]:           5 :     walletInstance->WalletLogPrintf("Wallet completed loading in %15dms\n", Ticks<std::chrono::milliseconds>(SteadyClock::now() - start));
    3027                 :             : 
    3028                 :             :     // Try to top up keypool. No-op if the wallet is locked.
    3029         [ +  - ]:           5 :     walletInstance->TopUpKeyPool();
    3030                 :             : 
    3031                 :             :     // Cache the first key time
    3032                 :           5 :     std::optional<int64_t> time_first_key;
    3033   [ +  -  +  + ]:          47 :     for (auto spk_man : walletInstance->GetAllScriptPubKeyMans()) {
    3034         [ +  - ]:          42 :         int64_t time = spk_man->GetTimeFirstKey();
    3035   [ +  +  +  + ]:          42 :         if (!time_first_key || time < *time_first_key) time_first_key = time;
    3036                 :           0 :     }
    3037   [ +  -  +  - ]:           5 :     if (time_first_key) walletInstance->MaybeUpdateBirthTime(*time_first_key);
    3038                 :             : 
    3039   [ +  +  +  -  :           5 :     if (chain && !AttachChain(walletInstance, *chain, rescan_required, error, warnings)) {
                   +  - ]
    3040         [ #  # ]:           0 :         walletInstance->m_chain_notifications_handler.reset(); // Reset this pointer so that the wallet will actually be unloaded
    3041                 :           0 :         return nullptr;
    3042                 :             :     }
    3043                 :             : 
    3044                 :           5 :     {
    3045         [ +  - ]:           5 :         LOCK(walletInstance->cs_wallet);
    3046   [ +  -  +  - ]:           5 :         walletInstance->SetBroadcastTransactions(args.GetBoolArg("-walletbroadcast", DEFAULT_WALLETBROADCAST));
    3047   [ +  -  +  - ]:           5 :         walletInstance->WalletLogPrintf("setKeyPool.size() = %u\n",      walletInstance->GetKeyPoolSize());
    3048         [ +  - ]:           5 :         walletInstance->WalletLogPrintf("mapWallet.size() = %u\n",       walletInstance->mapWallet.size());
    3049         [ +  - ]:           5 :         walletInstance->WalletLogPrintf("m_address_book.size() = %u\n",  walletInstance->m_address_book.size());
    3050                 :           0 :     }
    3051                 :             : 
    3052                 :           5 :     return walletInstance;
    3053                 :           5 : }
    3054                 :             : 
    3055                 :           4 : bool CWallet::AttachChain(const std::shared_ptr<CWallet>& walletInstance, interfaces::Chain& chain, const bool rescan_required, bilingual_str& error, std::vector<bilingual_str>& warnings)
    3056                 :             : {
    3057                 :           4 :     LOCK(walletInstance->cs_wallet);
    3058                 :             :     // allow setting the chain if it hasn't been set already but prevent changing it
    3059   [ +  -  -  + ]:           4 :     assert(!walletInstance->m_chain || walletInstance->m_chain == &chain);
    3060         [ +  - ]:           4 :     walletInstance->m_chain = &chain;
    3061                 :             : 
    3062                 :             :     // Unless allowed, ensure wallet files are not reused across chains:
    3063   [ +  -  +  -  :           4 :     if (!gArgs.GetBoolArg("-walletcrosschain", DEFAULT_WALLETCROSSCHAIN)) {
                   +  - ]
    3064         [ +  - ]:           4 :         WalletBatch batch(walletInstance->GetDatabase());
    3065                 :           4 :         CBlockLocator locator;
    3066   [ +  -  +  -  :           4 :         if (batch.ReadBestBlock(locator) && locator.vHave.size() > 0 && chain.getHeight()) {
          +  -  +  -  +  
                      - ]
    3067                 :             :             // Wallet is assumed to be from another chain, if genesis block in the active
    3068                 :             :             // chain differs from the genesis block known to the wallet.
    3069   [ +  -  -  + ]:           4 :             if (chain.getBlockHash(0) != locator.vHave.back()) {
    3070   [ #  #  #  # ]:           0 :                 error = Untranslated("Wallet files should not be reused across chains. Restart bitcoind with -walletcrosschain to override.");
    3071                 :           0 :                 return false;
    3072                 :             :             }
    3073                 :             :         }
    3074                 :           8 :     }
    3075                 :             : 
    3076                 :             :     // Register wallet with validationinterface. It's done before rescan to avoid
    3077                 :             :     // missing block connections during the rescan.
    3078                 :             :     // Because of the wallet lock being held, block connection notifications are going to
    3079                 :             :     // be pending on the validation-side until lock release. Blocks that are connected while the
    3080                 :             :     // rescan is ongoing will not be processed in the rescan but with the block connected notifications,
    3081                 :             :     // so the wallet will only be completeley synced after the notifications delivery.
    3082   [ +  -  -  + ]:           4 :     walletInstance->m_chain_notifications_handler = walletInstance->chain().handleNotifications(walletInstance);
    3083                 :             : 
    3084                 :             :     // If rescan_required = true, rescan_height remains equal to 0
    3085                 :           4 :     int rescan_height = 0;
    3086         [ +  - ]:           4 :     if (!rescan_required)
    3087                 :             :     {
    3088         [ +  - ]:           4 :         WalletBatch batch(walletInstance->GetDatabase());
    3089                 :           4 :         CBlockLocator locator;
    3090   [ +  -  +  - ]:           4 :         if (batch.ReadBestBlock(locator)) {
    3091   [ +  -  +  - ]:           4 :             if (const std::optional<int> fork_height = chain.findLocatorFork(locator)) {
    3092                 :           4 :                 rescan_height = *fork_height;
    3093                 :             :             }
    3094                 :             :         }
    3095                 :           8 :     }
    3096                 :             : 
    3097         [ +  - ]:           4 :     const std::optional<int> tip_height = chain.getHeight();
    3098         [ +  - ]:           4 :     if (tip_height) {
    3099         [ +  - ]:           4 :         walletInstance->m_last_block_processed = chain.getBlockHash(*tip_height);
    3100                 :           4 :         walletInstance->m_last_block_processed_height = *tip_height;
    3101                 :             :     } else {
    3102                 :           0 :         walletInstance->m_last_block_processed.SetNull();
    3103                 :           0 :         walletInstance->m_last_block_processed_height = -1;
    3104                 :             :     }
    3105                 :             : 
    3106   [ +  -  +  + ]:           4 :     if (tip_height && *tip_height != rescan_height)
    3107                 :             :     {
    3108                 :             :         // No need to read and scan block if block was created before
    3109                 :             :         // our wallet birthday (as adjusted for block time variability)
    3110         [ +  - ]:           1 :         std::optional<int64_t> time_first_key = walletInstance->m_birth_time.load();
    3111         [ +  - ]:           1 :         if (time_first_key) {
    3112         [ +  - ]:           1 :             FoundBlock found = FoundBlock().height(rescan_height);
    3113         [ +  - ]:           1 :             chain.findFirstBlockWithTimeAndHeight(*time_first_key - TIMESTAMP_WINDOW, rescan_height, found);
    3114         [ -  + ]:           1 :             if (!found.found) {
    3115                 :             :                 // We were unable to find a block that had a time more recent than our earliest timestamp
    3116                 :             :                 // or a height higher than the wallet was synced to, indicating that the wallet is newer than the
    3117                 :             :                 // current chain tip. Skip rescanning in this case.
    3118                 :           0 :                 rescan_height = *tip_height;
    3119                 :             :             }
    3120                 :             :         }
    3121                 :             : 
    3122                 :             :         // Technically we could execute the code below in any case, but performing the
    3123                 :             :         // `while` loop below can make startup very slow, so only check blocks on disk
    3124                 :             :         // if necessary.
    3125   [ +  -  +  -  :           1 :         if (chain.havePruned() || chain.hasAssumedValidChain()) {
             +  -  -  + ]
    3126                 :           0 :             int block_height = *tip_height;
    3127   [ #  #  #  #  :           0 :             while (block_height > 0 && chain.haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
             #  #  #  # ]
    3128                 :           0 :                 --block_height;
    3129                 :             :             }
    3130                 :             : 
    3131         [ #  # ]:           0 :             if (rescan_height != block_height) {
    3132                 :             :                 // We can't rescan beyond blocks we don't have data for, stop and throw an error.
    3133                 :             :                 // This might happen if a user uses an old wallet within a pruned node
    3134                 :             :                 // or if they ran -disablewallet for a longer time, then decided to re-enable
    3135                 :             :                 // Exit early and print an error.
    3136                 :             :                 // It also may happen if an assumed-valid chain is in use and therefore not
    3137                 :             :                 // all block data is available.
    3138                 :             :                 // If a block is pruned after this check, we will load the wallet,
    3139                 :             :                 // but fail the rescan with a generic error.
    3140                 :             : 
    3141   [ #  #  #  #  :           0 :                 error = chain.havePruned() ?
                   #  # ]
    3142         [ #  # ]:           0 :                      _("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)") :
    3143                 :             :                      strprintf(_(
    3144                 :             :                         "Error loading wallet. Wallet requires blocks to be downloaded, "
    3145                 :             :                         "and software does not currently support loading wallets while "
    3146                 :             :                         "blocks are being downloaded out of order when using assumeutxo "
    3147                 :             :                         "snapshots. Wallet should be able to load successfully after "
    3148                 :           0 :                         "node sync reaches height %s"), block_height);
    3149                 :           0 :                 return false;
    3150                 :             :             }
    3151                 :             :         }
    3152                 :             : 
    3153   [ +  -  +  - ]:           1 :         chain.initMessage(_("Rescanning…"));
    3154         [ +  - ]:           1 :         walletInstance->WalletLogPrintf("Rescanning last %i blocks (from block %i)...\n", *tip_height - rescan_height, rescan_height);
    3155                 :             : 
    3156                 :           1 :         {
    3157                 :           1 :             WalletRescanReserver reserver(*walletInstance);
    3158         [ -  + ]:           1 :             if (!reserver.reserve()) {
    3159         [ #  # ]:           0 :                 error = _("Failed to acquire rescan reserver during wallet initialization");
    3160                 :           0 :                 return false;
    3161                 :             :             }
    3162   [ +  -  +  - ]:           1 :             ScanResult scan_res = walletInstance->ScanForWalletTransactions(chain.getBlockHash(rescan_height), rescan_height, /*max_height=*/{}, reserver, /*fUpdate=*/true, /*save_progress=*/true);
    3163         [ -  + ]:           1 :             if (ScanResult::SUCCESS != scan_res.status) {
    3164         [ #  # ]:           0 :                 error = _("Failed to rescan the wallet during initialization");
    3165                 :           0 :                 return false;
    3166                 :             :             }
    3167                 :             :             // Set and update the best block record
    3168                 :             :             // Set last block scanned as the last block processed as it may be different in case the case of a reorg.
    3169                 :             :             // Also save the best block locator because rescanning only updates it intermittently.
    3170         [ +  - ]:           1 :             walletInstance->SetLastBlockProcessed(*scan_res.last_scanned_height, scan_res.last_scanned_block);
    3171                 :           1 :         }
    3172                 :             :     }
    3173                 :             : 
    3174                 :             :     return true;
    3175                 :           4 : }
    3176                 :             : 
    3177                 :           2 : const CAddressBookData* CWallet::FindAddressBookEntry(const CTxDestination& dest, bool allow_change) const
    3178                 :             : {
    3179                 :           2 :     const auto& address_book_it = m_address_book.find(dest);
    3180         [ -  + ]:           2 :     if (address_book_it == m_address_book.end()) return nullptr;
    3181   [ #  #  #  # ]:           0 :     if ((!allow_change) && address_book_it->second.IsChange()) {
    3182                 :             :         return nullptr;
    3183                 :             :     }
    3184                 :           0 :     return &address_book_it->second;
    3185                 :             : }
    3186                 :             : 
    3187                 :           0 : bool CWallet::UpgradeWallet(int version, bilingual_str& error)
    3188                 :             : {
    3189                 :           0 :     int prev_version = GetVersion();
    3190         [ #  # ]:           0 :     if (version == 0) {
    3191                 :           0 :         WalletLogPrintf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
    3192                 :           0 :         version = FEATURE_LATEST;
    3193                 :             :     } else {
    3194                 :           0 :         WalletLogPrintf("Allowing wallet upgrade up to %i\n", version);
    3195                 :             :     }
    3196         [ #  # ]:           0 :     if (version < prev_version) {
    3197                 :           0 :         error = strprintf(_("Cannot downgrade wallet from version %i to version %i. Wallet version unchanged."), prev_version, version);
    3198                 :           0 :         return false;
    3199                 :             :     }
    3200                 :             : 
    3201                 :           0 :     LOCK(cs_wallet);
    3202                 :             : 
    3203                 :             :     // Do not upgrade versions to any version between HD_SPLIT and FEATURE_PRE_SPLIT_KEYPOOL unless already supporting HD_SPLIT
    3204   [ #  #  #  #  :           0 :     if (!CanSupportFeature(FEATURE_HD_SPLIT) && version >= FEATURE_HD_SPLIT && version < FEATURE_PRE_SPLIT_KEYPOOL) {
             #  #  #  # ]
    3205         [ #  # ]:           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);
    3206                 :           0 :         return false;
    3207                 :             :     }
    3208                 :             : 
    3209                 :             :     // Permanently upgrade to the version
    3210   [ #  #  #  # ]:           0 :     SetMinVersion(GetClosestWalletFeature(version));
    3211                 :             : 
    3212   [ #  #  #  # ]:           0 :     for (auto spk_man : GetActiveScriptPubKeyMans()) {
    3213   [ #  #  #  # ]:           0 :         if (!spk_man->Upgrade(prev_version, version, error)) {
    3214                 :           0 :             return false;
    3215                 :             :         }
    3216                 :           0 :     }
    3217                 :           0 :     return true;
    3218                 :           0 : }
    3219                 :             : 
    3220                 :           4 : void CWallet::postInitProcess()
    3221                 :             : {
    3222                 :             :     // Add wallet transactions that aren't already in a block to mempool
    3223                 :             :     // Do this here as mempool requires genesis block to be loaded
    3224                 :           4 :     ResubmitWalletTransactions(/*relay=*/false, /*force=*/true);
    3225                 :             : 
    3226                 :             :     // Update wallet transactions with current mempool transactions.
    3227         [ +  - ]:          12 :     WITH_LOCK(cs_wallet, chain().requestMempoolTransactions(*this));
    3228                 :           4 : }
    3229                 :             : 
    3230                 :           0 : bool CWallet::BackupWallet(const std::string& strDest) const
    3231                 :             : {
    3232         [ #  # ]:           0 :     WITH_LOCK(cs_wallet, WriteBestBlock());
    3233                 :           0 :     return GetDatabase().Backup(strDest);
    3234                 :             : }
    3235                 :             : 
    3236                 :        2832 : int CWallet::GetTxDepthInMainChain(const CWalletTx& wtx) const
    3237                 :             : {
    3238                 :        2832 :     AssertLockHeld(cs_wallet);
    3239         [ +  + ]:        2832 :     if (auto* conf = wtx.state<TxStateConfirmed>()) {
    3240         [ -  + ]:        2829 :         assert(conf->confirmed_block_height >= 0);
    3241                 :        2829 :         return GetLastBlockHeight() - conf->confirmed_block_height + 1;
    3242         [ -  + ]:           3 :     } else if (auto* conf = wtx.state<TxStateBlockConflicted>()) {
    3243         [ #  # ]:           0 :         assert(conf->conflicting_block_height >= 0);
    3244                 :           0 :         return -1 * (GetLastBlockHeight() - conf->conflicting_block_height + 1);
    3245                 :             :     } else {
    3246                 :             :         return 0;
    3247                 :             :     }
    3248                 :             : }
    3249                 :             : 
    3250                 :        2773 : int CWallet::GetTxBlocksToMaturity(const CWalletTx& wtx) const
    3251                 :             : {
    3252                 :        2773 :     AssertLockHeld(cs_wallet);
    3253                 :             : 
    3254         [ +  + ]:        2773 :     if (!wtx.IsCoinBase()) {
    3255                 :             :         return 0;
    3256                 :             :     }
    3257                 :        2750 :     int chain_depth = GetTxDepthInMainChain(wtx);
    3258         [ -  + ]:        2750 :     assert(chain_depth >= 0); // coinbase tx should not be conflicted
    3259         [ +  + ]:        2750 :     return std::max(0, (COINBASE_MATURITY+1) - chain_depth);
    3260                 :             : }
    3261                 :             : 
    3262                 :        2773 : bool CWallet::IsTxImmatureCoinBase(const CWalletTx& wtx) const
    3263                 :             : {
    3264                 :        2773 :     AssertLockHeld(cs_wallet);
    3265                 :             : 
    3266                 :             :     // note GetBlocksToMaturity is 0 for non-coinbase tx
    3267                 :        2773 :     return GetTxBlocksToMaturity(wtx) > 0;
    3268                 :             : }
    3269                 :             : 
    3270                 :         283 : bool CWallet::IsCrypted() const
    3271                 :             : {
    3272                 :         283 :     return HasEncryptionKeys();
    3273                 :             : }
    3274                 :             : 
    3275                 :          11 : bool CWallet::IsLocked() const
    3276                 :             : {
    3277         [ -  + ]:          11 :     if (!IsCrypted()) {
    3278                 :             :         return false;
    3279                 :             :     }
    3280                 :           0 :     LOCK(cs_wallet);
    3281         [ #  # ]:           0 :     return vMasterKey.empty();
    3282                 :           0 : }
    3283                 :             : 
    3284                 :           0 : bool CWallet::Lock()
    3285                 :             : {
    3286         [ #  # ]:           0 :     if (!IsCrypted())
    3287                 :             :         return false;
    3288                 :             : 
    3289                 :           0 :     {
    3290         [ #  # ]:           0 :         LOCK2(m_relock_mutex, cs_wallet);
    3291         [ #  # ]:           0 :         if (!vMasterKey.empty()) {
    3292         [ #  # ]:           0 :             memory_cleanse(vMasterKey.data(), vMasterKey.size() * sizeof(decltype(vMasterKey)::value_type));
    3293   [ #  #  #  # ]:           0 :             vMasterKey.clear();
    3294                 :             :         }
    3295         [ #  # ]:           0 :     }
    3296                 :             : 
    3297                 :           0 :     NotifyStatusChanged(this);
    3298                 :           0 :     return true;
    3299                 :             : }
    3300                 :             : 
    3301                 :           0 : bool CWallet::Unlock(const CKeyingMaterial& vMasterKeyIn)
    3302                 :             : {
    3303                 :           0 :     {
    3304                 :           0 :         LOCK(cs_wallet);
    3305         [ #  # ]:           0 :         for (const auto& spk_man_pair : m_spk_managers) {
    3306   [ #  #  #  # ]:           0 :             if (!spk_man_pair.second->CheckDecryptionKey(vMasterKeyIn)) {
    3307         [ #  # ]:           0 :                 return false;
    3308                 :             :             }
    3309                 :             :         }
    3310         [ #  # ]:           0 :         vMasterKey = vMasterKeyIn;
    3311                 :           0 :     }
    3312                 :           0 :     NotifyStatusChanged(this);
    3313                 :           0 :     return true;
    3314                 :             : }
    3315                 :             : 
    3316                 :          10 : std::set<ScriptPubKeyMan*> CWallet::GetActiveScriptPubKeyMans() const
    3317                 :             : {
    3318                 :          10 :     std::set<ScriptPubKeyMan*> spk_mans;
    3319         [ +  + ]:          30 :     for (bool internal : {false, true}) {
    3320         [ +  + ]:         100 :         for (OutputType t : OUTPUT_TYPES) {
    3321         [ +  - ]:          80 :             auto spk_man = GetScriptPubKeyMan(t, internal);
    3322         [ +  - ]:          80 :             if (spk_man) {
    3323         [ +  - ]:          80 :                 spk_mans.insert(spk_man);
    3324                 :             :             }
    3325                 :             :         }
    3326                 :             :     }
    3327                 :          10 :     return spk_mans;
    3328                 :           0 : }
    3329                 :             : 
    3330                 :           0 : bool CWallet::IsActiveScriptPubKeyMan(const ScriptPubKeyMan& spkm) const
    3331                 :             : {
    3332   [ #  #  #  # ]:           0 :     for (const auto& [_, ext_spkm] : m_external_spk_managers) {
    3333         [ #  # ]:           0 :         if (ext_spkm == &spkm) return true;
    3334                 :             :     }
    3335   [ #  #  #  # ]:           0 :     for (const auto& [_, int_spkm] : m_internal_spk_managers) {
    3336         [ #  # ]:           0 :         if (int_spkm == &spkm) return true;
    3337                 :             :     }
    3338                 :             :     return false;
    3339                 :             : }
    3340                 :             : 
    3341                 :          21 : std::set<ScriptPubKeyMan*> CWallet::GetAllScriptPubKeyMans() const
    3342                 :             : {
    3343                 :          21 :     std::set<ScriptPubKeyMan*> spk_mans;
    3344         [ +  + ]:         195 :     for (const auto& spk_man_pair : m_spk_managers) {
    3345         [ +  - ]:         174 :         spk_mans.insert(spk_man_pair.second.get());
    3346                 :             :     }
    3347                 :          21 :     return spk_mans;
    3348                 :           0 : }
    3349                 :             : 
    3350                 :        6278 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const OutputType& type, bool internal) const
    3351                 :             : {
    3352         [ +  + ]:        6278 :     const std::map<OutputType, ScriptPubKeyMan*>& spk_managers = internal ? m_internal_spk_managers : m_external_spk_managers;
    3353                 :        6278 :     std::map<OutputType, ScriptPubKeyMan*>::const_iterator it = spk_managers.find(type);
    3354         [ +  + ]:        6278 :     if (it == spk_managers.end()) {
    3355                 :             :         return nullptr;
    3356                 :             :     }
    3357                 :        6277 :     return it->second;
    3358                 :             : }
    3359                 :             : 
    3360                 :         858 : std::set<ScriptPubKeyMan*> CWallet::GetScriptPubKeyMans(const CScript& script) const
    3361                 :             : {
    3362         [ +  - ]:         858 :     std::set<ScriptPubKeyMan*> spk_mans;
    3363                 :             : 
    3364                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3365         [ +  - ]:         858 :     const auto& it = m_cached_spks.find(script);
    3366         [ +  + ]:         858 :     if (it != m_cached_spks.end()) {
    3367         [ +  - ]:         448 :         spk_mans.insert(it->second.begin(), it->second.end());
    3368                 :             :     }
    3369                 :         858 :     SignatureData sigdata;
    3370         [ +  - ]:        1306 :     Assume(std::all_of(spk_mans.begin(), spk_mans.end(), [&script, &sigdata](ScriptPubKeyMan* spkm) { return spkm->CanProvide(script, sigdata); }));
    3371                 :             : 
    3372                 :         858 :     return spk_mans;
    3373                 :         858 : }
    3374                 :             : 
    3375                 :          18 : ScriptPubKeyMan* CWallet::GetScriptPubKeyMan(const uint256& id) const
    3376                 :             : {
    3377         [ +  - ]:          18 :     if (m_spk_managers.count(id) > 0) {
    3378                 :          18 :         return m_spk_managers.at(id).get();
    3379                 :             :     }
    3380                 :             :     return nullptr;
    3381                 :             : }
    3382                 :             : 
    3383                 :      115862 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script) const
    3384                 :             : {
    3385                 :      115862 :     SignatureData sigdata;
    3386         [ +  - ]:      231724 :     return GetSolvingProvider(script, sigdata);
    3387                 :      115862 : }
    3388                 :             : 
    3389                 :      115862 : std::unique_ptr<SigningProvider> CWallet::GetSolvingProvider(const CScript& script, SignatureData& sigdata) const
    3390                 :             : {
    3391                 :             :     // Search the cache for relevant SPKMs instead of iterating m_spk_managers
    3392                 :      115862 :     const auto& it = m_cached_spks.find(script);
    3393         [ +  + ]:      115862 :     if (it != m_cached_spks.end()) {
    3394                 :             :         // All spkms for a given script must already be able to make a SigningProvider for the script, so just return the first one.
    3395                 :        5823 :         Assume(it->second.at(0)->CanProvide(script, sigdata));
    3396                 :        5823 :         return it->second.at(0)->GetSolvingProvider(script);
    3397                 :             :     }
    3398                 :             : 
    3399                 :      110039 :     return nullptr;
    3400                 :             : }
    3401                 :             : 
    3402                 :           0 : std::vector<WalletDescriptor> CWallet::GetWalletDescriptors(const CScript& script) const
    3403                 :             : {
    3404                 :           0 :     std::vector<WalletDescriptor> descs;
    3405   [ #  #  #  # ]:           0 :     for (const auto spk_man: GetScriptPubKeyMans(script)) {
    3406   [ #  #  #  # ]:           0 :         if (const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man)) {
    3407         [ #  # ]:           0 :             LOCK(desc_spk_man->cs_desc_man);
    3408   [ #  #  #  # ]:           0 :             descs.push_back(desc_spk_man->GetWalletDescriptor());
    3409                 :           0 :         }
    3410                 :           0 :     }
    3411                 :           0 :     return descs;
    3412                 :           0 : }
    3413                 :             : 
    3414                 :           0 : LegacyDataSPKM* CWallet::GetLegacyDataSPKM() const
    3415                 :             : {
    3416         [ #  # ]:           0 :     if (IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3417                 :             :         return nullptr;
    3418                 :             :     }
    3419                 :           0 :     auto it = m_internal_spk_managers.find(OutputType::LEGACY);
    3420         [ #  # ]:           0 :     if (it == m_internal_spk_managers.end()) return nullptr;
    3421         [ #  # ]:           0 :     return dynamic_cast<LegacyDataSPKM*>(it->second);
    3422                 :             : }
    3423                 :             : 
    3424                 :         320 : void CWallet::AddScriptPubKeyMan(const uint256& id, std::unique_ptr<ScriptPubKeyMan> spkm_man)
    3425                 :             : {
    3426                 :             :     // Add spkm_man to m_spk_managers before calling any method
    3427                 :             :     // that might access it.
    3428                 :         320 :     const auto& spkm = m_spk_managers[id] = std::move(spkm_man);
    3429                 :             : 
    3430                 :             :     // Update birth time if needed
    3431                 :         320 :     MaybeUpdateBirthTime(spkm->GetTimeFirstKey());
    3432                 :         320 : }
    3433                 :             : 
    3434                 :           0 : LegacyDataSPKM* CWallet::GetOrCreateLegacyDataSPKM()
    3435                 :             : {
    3436                 :           0 :     SetupLegacyScriptPubKeyMan();
    3437                 :           0 :     return GetLegacyDataSPKM();
    3438                 :             : }
    3439                 :             : 
    3440                 :           0 : void CWallet::SetupLegacyScriptPubKeyMan()
    3441                 :             : {
    3442   [ #  #  #  #  :           0 :     if (!m_internal_spk_managers.empty() || !m_external_spk_managers.empty() || !m_spk_managers.empty() || IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
             #  #  #  # ]
    3443                 :           0 :         return;
    3444                 :             :     }
    3445                 :             : 
    3446   [ #  #  #  #  :           0 :     Assert(m_database->Format() == "bdb_ro" || m_database->Format() == "mock");
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    3447                 :           0 :     std::unique_ptr<ScriptPubKeyMan> spk_manager = std::make_unique<LegacyDataSPKM>(*this);
    3448                 :             : 
    3449   [ #  #  #  # ]:           0 :     for (const auto& type : LEGACY_OUTPUT_TYPES) {
    3450         [ #  # ]:           0 :         m_internal_spk_managers[type] = spk_manager.get();
    3451         [ #  # ]:           0 :         m_external_spk_managers[type] = spk_manager.get();
    3452                 :             :     }
    3453         [ #  # ]:           0 :     uint256 id = spk_manager->GetID();
    3454         [ #  # ]:           0 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3455                 :           0 : }
    3456                 :             : 
    3457                 :           0 : bool CWallet::WithEncryptionKey(std::function<bool (const CKeyingMaterial&)> cb) const
    3458                 :             : {
    3459                 :           0 :     LOCK(cs_wallet);
    3460   [ #  #  #  # ]:           0 :     return cb(vMasterKey);
    3461                 :           0 : }
    3462                 :             : 
    3463                 :        7544 : bool CWallet::HasEncryptionKeys() const
    3464                 :             : {
    3465                 :        7544 :     return !mapMasterKeys.empty();
    3466                 :             : }
    3467                 :             : 
    3468                 :           0 : bool CWallet::HaveCryptedKeys() const
    3469                 :             : {
    3470         [ #  # ]:           0 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
    3471   [ #  #  #  # ]:           0 :         if (spkm->HaveCryptedKeys()) return true;
    3472                 :           0 :     }
    3473                 :           0 :     return false;
    3474                 :             : }
    3475                 :             : 
    3476                 :           0 : void CWallet::ConnectScriptPubKeyManNotifiers()
    3477                 :             : {
    3478         [ #  # ]:           0 :     for (const auto& spk_man : GetActiveScriptPubKeyMans()) {
    3479   [ #  #  #  # ]:           0 :         spk_man->NotifyCanGetAddressesChanged.connect(NotifyCanGetAddressesChanged);
    3480   [ #  #  #  # ]:           0 :         spk_man->NotifyFirstKeyTimeChanged.connect(std::bind(&CWallet::MaybeUpdateBirthTime, this, std::placeholders::_2));
    3481                 :           0 :     }
    3482                 :           0 : }
    3483                 :             : 
    3484                 :          19 : DescriptorScriptPubKeyMan& CWallet::LoadDescriptorScriptPubKeyMan(uint256 id, WalletDescriptor& desc)
    3485                 :             : {
    3486                 :          19 :     DescriptorScriptPubKeyMan* spk_manager;
    3487         [ -  + ]:          19 :     if (IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3488         [ #  # ]:           0 :         spk_manager = new ExternalSignerScriptPubKeyMan(*this, desc, m_keypool_size);
    3489                 :             :     } else {
    3490         [ +  - ]:          19 :         spk_manager = new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size);
    3491                 :             :     }
    3492         [ +  - ]:          19 :     AddScriptPubKeyMan(id, std::unique_ptr<ScriptPubKeyMan>(spk_manager));
    3493                 :          19 :     return *spk_manager;
    3494                 :             : }
    3495                 :             : 
    3496                 :         272 : DescriptorScriptPubKeyMan& CWallet::SetupDescriptorScriptPubKeyMan(WalletBatch& batch, const CExtKey& master_key, const OutputType& output_type, bool internal)
    3497                 :             : {
    3498                 :         272 :     AssertLockHeld(cs_wallet);
    3499   [ +  -  +  - ]:         272 :     auto spk_manager = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, m_keypool_size));
    3500   [ +  -  -  + ]:         272 :     if (IsCrypted()) {
    3501   [ #  #  #  # ]:           0 :         if (IsLocked()) {
    3502   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": Wallet is locked, cannot setup new descriptors");
    3503                 :             :         }
    3504   [ #  #  #  #  :           0 :         if (!spk_manager->CheckDecryptionKey(vMasterKey) && !spk_manager->Encrypt(vMasterKey, &batch)) {
             #  #  #  # ]
    3505   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": Could not encrypt new descriptors");
    3506                 :             :         }
    3507                 :             :     }
    3508         [ +  - ]:         272 :     spk_manager->SetupDescriptorGeneration(batch, master_key, output_type, internal);
    3509         [ +  - ]:         272 :     DescriptorScriptPubKeyMan* out = spk_manager.get();
    3510         [ +  - ]:         272 :     uint256 id = spk_manager->GetID();
    3511         [ +  - ]:         272 :     AddScriptPubKeyMan(id, std::move(spk_manager));
    3512         [ +  - ]:         272 :     AddActiveScriptPubKeyManWithDb(batch, id, output_type, internal);
    3513                 :         272 :     return *out;
    3514                 :         272 : }
    3515                 :             : 
    3516                 :          34 : void CWallet::SetupDescriptorScriptPubKeyMans(WalletBatch& batch, const CExtKey& master_key)
    3517                 :             : {
    3518                 :          34 :     AssertLockHeld(cs_wallet);
    3519         [ +  + ]:         102 :     for (bool internal : {false, true}) {
    3520         [ +  + ]:         340 :         for (OutputType t : OUTPUT_TYPES) {
    3521                 :         272 :             SetupDescriptorScriptPubKeyMan(batch, master_key, t, internal);
    3522                 :             :         }
    3523                 :             :     }
    3524                 :          34 : }
    3525                 :             : 
    3526                 :          34 : void CWallet::SetupOwnDescriptorScriptPubKeyMans(WalletBatch& batch)
    3527                 :             : {
    3528                 :          34 :     AssertLockHeld(cs_wallet);
    3529         [ -  + ]:          34 :     assert(!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER));
    3530                 :             :     // Make a seed
    3531                 :          34 :     CKey seed_key = GenerateRandomKey();
    3532         [ +  - ]:          34 :     CPubKey seed = seed_key.GetPubKey();
    3533   [ +  -  -  + ]:          34 :     assert(seed_key.VerifyPubKey(seed));
    3534                 :             : 
    3535                 :             :     // Get the extended key
    3536         [ +  - ]:          34 :     CExtKey master_key;
    3537   [ +  -  +  - ]:          68 :     master_key.SetSeed(seed_key);
    3538                 :             : 
    3539         [ +  - ]:          34 :     SetupDescriptorScriptPubKeyMans(batch, master_key);
    3540                 :          34 : }
    3541                 :             : 
    3542                 :          34 : void CWallet::SetupDescriptorScriptPubKeyMans()
    3543                 :             : {
    3544                 :          34 :     AssertLockHeld(cs_wallet);
    3545                 :             : 
    3546         [ +  - ]:          34 :     if (!IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER)) {
    3547   [ +  -  -  + ]:          34 :         if (!RunWithinTxn(GetDatabase(), /*process_desc=*/"setup descriptors", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(cs_wallet){
    3548                 :          34 :             SetupOwnDescriptorScriptPubKeyMans(batch);
    3549                 :          34 :             return true;
    3550         [ #  # ]:           0 :         })) throw std::runtime_error("Error: cannot process db transaction for descriptors setup");
    3551                 :             :     } else {
    3552                 :           0 :         auto signer = ExternalSignerScriptPubKeyMan::GetExternalSigner();
    3553   [ #  #  #  #  :           0 :         if (!signer) throw std::runtime_error(util::ErrorString(signer).original);
                   #  # ]
    3554                 :             : 
    3555                 :             :         // TODO: add account parameter
    3556                 :           0 :         int account = 0;
    3557         [ #  # ]:           0 :         UniValue signer_res = signer->GetDescriptors(account);
    3558                 :             : 
    3559   [ #  #  #  #  :           0 :         if (!signer_res.isObject()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
                   #  # ]
    3560                 :             : 
    3561         [ #  # ]:           0 :         WalletBatch batch(GetDatabase());
    3562   [ #  #  #  #  :           0 :         if (!batch.TxnBegin()) throw std::runtime_error("Error: cannot create db transaction for descriptors import");
                   #  # ]
    3563                 :             : 
    3564         [ #  # ]:           0 :         for (bool internal : {false, true}) {
    3565   [ #  #  #  # ]:           0 :             const UniValue& descriptor_vals = signer_res.find_value(internal ? "internal" : "receive");
    3566   [ #  #  #  #  :           0 :             if (!descriptor_vals.isArray()) throw std::runtime_error(std::string(__func__) + ": Unexpected result");
                   #  # ]
    3567   [ #  #  #  #  :           0 :             for (const UniValue& desc_val : descriptor_vals.get_array().getValues()) {
                   #  # ]
    3568                 :           0 :                 const std::string& desc_str = desc_val.getValStr();
    3569                 :           0 :                 FlatSigningProvider keys;
    3570         [ #  # ]:           0 :                 std::string desc_error;
    3571         [ #  # ]:           0 :                 auto descs = Parse(desc_str, keys, desc_error, false);
    3572         [ #  # ]:           0 :                 if (descs.empty()) {
    3573   [ #  #  #  #  :           0 :                     throw std::runtime_error(std::string(__func__) + ": Invalid descriptor \"" + desc_str + "\" (" + desc_error + ")");
             #  #  #  # ]
    3574                 :             :                 }
    3575         [ #  # ]:           0 :                 auto& desc = descs.at(0);
    3576   [ #  #  #  # ]:           0 :                 if (!desc->GetOutputType()) {
    3577                 :           0 :                     continue;
    3578                 :             :                 }
    3579         [ #  # ]:           0 :                 OutputType t =  *desc->GetOutputType();
    3580   [ #  #  #  #  :           0 :                 auto spk_manager = std::unique_ptr<ExternalSignerScriptPubKeyMan>(new ExternalSignerScriptPubKeyMan(*this, m_keypool_size));
                   #  # ]
    3581         [ #  # ]:           0 :                 spk_manager->SetupDescriptor(batch, std::move(desc));
    3582         [ #  # ]:           0 :                 uint256 id = spk_manager->GetID();
    3583         [ #  # ]:           0 :                 AddScriptPubKeyMan(id, std::move(spk_manager));
    3584         [ #  # ]:           0 :                 AddActiveScriptPubKeyManWithDb(batch, id, t, internal);
    3585                 :           0 :             }
    3586                 :             :         }
    3587                 :             : 
    3588                 :             :         // Ensure imported descriptors are committed to disk
    3589   [ #  #  #  #  :           0 :         if (!batch.TxnCommit()) throw std::runtime_error("Error: cannot commit db transaction for descriptors import");
                   #  # ]
    3590                 :           0 :     }
    3591                 :          34 : }
    3592                 :             : 
    3593                 :           0 : void CWallet::AddActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3594                 :             : {
    3595                 :           0 :     WalletBatch batch(GetDatabase());
    3596         [ #  # ]:           0 :     return AddActiveScriptPubKeyManWithDb(batch, id, type, internal);
    3597                 :           0 : }
    3598                 :             : 
    3599                 :         272 : void CWallet::AddActiveScriptPubKeyManWithDb(WalletBatch& batch, uint256 id, OutputType type, bool internal)
    3600                 :             : {
    3601         [ -  + ]:         272 :     if (!batch.WriteActiveScriptPubKeyMan(static_cast<uint8_t>(type), id, internal)) {
    3602   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": writing active ScriptPubKeyMan id failed");
    3603                 :             :     }
    3604                 :         272 :     LoadActiveScriptPubKeyMan(id, type, internal);
    3605                 :         272 : }
    3606                 :             : 
    3607                 :         288 : void CWallet::LoadActiveScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3608                 :             : {
    3609                 :             :     // Activating ScriptPubKeyManager for a given output and change type is incompatible with legacy wallets.
    3610                 :             :     // Legacy wallets have only one ScriptPubKeyManager and it's active for all output and change types.
    3611                 :         288 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    3612                 :             : 
    3613   [ +  +  +  - ]:         432 :     WalletLogPrintf("Setting spkMan to active: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
    3614         [ +  + ]:         288 :     auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3615                 :         288 :     auto& spk_mans_other = internal ? m_external_spk_managers : m_internal_spk_managers;
    3616                 :         288 :     auto spk_man = m_spk_managers.at(id).get();
    3617                 :         288 :     spk_mans[type] = spk_man;
    3618                 :             : 
    3619                 :         288 :     const auto it = spk_mans_other.find(type);
    3620   [ +  +  -  + ]:         288 :     if (it != spk_mans_other.end() && it->second == spk_man) {
    3621                 :           0 :         spk_mans_other.erase(type);
    3622                 :             :     }
    3623                 :             : 
    3624                 :         288 :     NotifyCanGetAddressesChanged();
    3625                 :         288 : }
    3626                 :             : 
    3627                 :           0 : void CWallet::DeactivateScriptPubKeyMan(uint256 id, OutputType type, bool internal)
    3628                 :             : {
    3629                 :           0 :     auto spk_man = GetScriptPubKeyMan(type, internal);
    3630   [ #  #  #  # ]:           0 :     if (spk_man != nullptr && spk_man->GetID() == id) {
    3631   [ #  #  #  # ]:           0 :         WalletLogPrintf("Deactivate spkMan: id = %s, type = %s, internal = %s\n", id.ToString(), FormatOutputType(type), internal ? "true" : "false");
    3632                 :           0 :         WalletBatch batch(GetDatabase());
    3633   [ #  #  #  # ]:           0 :         if (!batch.EraseActiveScriptPubKeyMan(static_cast<uint8_t>(type), internal)) {
    3634   [ #  #  #  # ]:           0 :             throw std::runtime_error(std::string(__func__) + ": erasing active ScriptPubKeyMan id failed");
    3635                 :             :         }
    3636                 :             : 
    3637         [ #  # ]:           0 :         auto& spk_mans = internal ? m_internal_spk_managers : m_external_spk_managers;
    3638                 :           0 :         spk_mans.erase(type);
    3639                 :           0 :     }
    3640                 :             : 
    3641                 :           0 :     NotifyCanGetAddressesChanged();
    3642                 :           0 : }
    3643                 :             : 
    3644                 :          30 : DescriptorScriptPubKeyMan* CWallet::GetDescriptorScriptPubKeyMan(const WalletDescriptor& desc) const
    3645                 :             : {
    3646                 :          30 :     auto spk_man_pair = m_spk_managers.find(desc.id);
    3647                 :             : 
    3648         [ +  + ]:          30 :     if (spk_man_pair != m_spk_managers.end()) {
    3649                 :             :         // Try to downcast to DescriptorScriptPubKeyMan then check if the descriptors match
    3650         [ +  - ]:           1 :         DescriptorScriptPubKeyMan* spk_manager = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man_pair->second.get());
    3651   [ +  -  +  - ]:           1 :         if (spk_manager != nullptr && spk_manager->HasWalletDescriptor(desc)) {
    3652                 :           1 :             return spk_manager;
    3653                 :             :         }
    3654                 :             :     }
    3655                 :             : 
    3656                 :             :     return nullptr;
    3657                 :             : }
    3658                 :             : 
    3659                 :           0 : std::optional<bool> CWallet::IsInternalScriptPubKeyMan(ScriptPubKeyMan* spk_man) const
    3660                 :             : {
    3661                 :             :     // only active ScriptPubKeyMan can be internal
    3662         [ #  # ]:           0 :     if (!GetActiveScriptPubKeyMans().count(spk_man)) {
    3663                 :           0 :         return std::nullopt;
    3664                 :             :     }
    3665                 :             : 
    3666         [ #  # ]:           0 :     const auto desc_spk_man = dynamic_cast<DescriptorScriptPubKeyMan*>(spk_man);
    3667         [ #  # ]:           0 :     if (!desc_spk_man) {
    3668   [ #  #  #  # ]:           0 :         throw std::runtime_error(std::string(__func__) + ": unexpected ScriptPubKeyMan type.");
    3669                 :             :     }
    3670                 :             : 
    3671                 :           0 :     LOCK(desc_spk_man->cs_desc_man);
    3672   [ #  #  #  # ]:           0 :     const auto& type = desc_spk_man->GetWalletDescriptor().descriptor->GetOutputType();
    3673         [ #  # ]:           0 :     assert(type.has_value());
    3674                 :             : 
    3675   [ #  #  #  # ]:           0 :     return GetScriptPubKeyMan(*type, /* internal= */ true) == desc_spk_man;
    3676                 :           0 : }
    3677                 :             : 
    3678                 :          30 : util::Result<std::reference_wrapper<DescriptorScriptPubKeyMan>> CWallet::AddWalletDescriptor(WalletDescriptor& desc, const FlatSigningProvider& signing_provider, const std::string& label, bool internal)
    3679                 :             : {
    3680                 :          30 :     AssertLockHeld(cs_wallet);
    3681                 :             : 
    3682         [ -  + ]:          30 :     if (!IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    3683                 :           0 :         return util::Error{_("Cannot add WalletDescriptor to a non-descriptor wallet")};
    3684                 :             :     }
    3685                 :             : 
    3686                 :          30 :     auto spk_man = GetDescriptorScriptPubKeyMan(desc);
    3687         [ +  + ]:          30 :     if (spk_man) {
    3688         [ +  - ]:           1 :         WalletLogPrintf("Update existing descriptor: %s\n", desc.descriptor->ToString());
    3689         [ -  + ]:           1 :         if (auto spkm_res = spk_man->UpdateWalletDescriptor(desc); !spkm_res) {
    3690         [ #  # ]:           0 :             return util::Error{util::ErrorString(spkm_res)};
    3691                 :           1 :         }
    3692                 :             :     } else {
    3693   [ +  -  +  - ]:          29 :         auto new_spk_man = std::unique_ptr<DescriptorScriptPubKeyMan>(new DescriptorScriptPubKeyMan(*this, desc, m_keypool_size));
    3694         [ +  - ]:          29 :         spk_man = new_spk_man.get();
    3695                 :             : 
    3696                 :             :         // Save the descriptor to memory
    3697         [ +  - ]:          29 :         uint256 id = new_spk_man->GetID();
    3698         [ +  - ]:          29 :         AddScriptPubKeyMan(id, std::move(new_spk_man));
    3699                 :          29 :     }
    3700                 :             : 
    3701                 :             :     // Add the private keys to the descriptor
    3702         [ +  + ]:          63 :     for (const auto& entry : signing_provider.keys) {
    3703                 :          33 :         const CKey& key = entry.second;
    3704                 :          33 :         spk_man->AddDescriptorKey(key, key.GetPubKey());
    3705                 :             :     }
    3706                 :             : 
    3707                 :             :     // Top up key pool, the manager will generate new scriptPubKeys internally
    3708         [ -  + ]:          30 :     if (!spk_man->TopUp()) {
    3709                 :           0 :         return util::Error{_("Could not top up scriptPubKeys")};
    3710                 :             :     }
    3711                 :             : 
    3712                 :             :     // Apply the label if necessary
    3713                 :             :     // Note: we disable labels for ranged descriptors
    3714         [ +  + ]:          30 :     if (!desc.descriptor->IsRange()) {
    3715                 :          29 :         auto script_pub_keys = spk_man->GetScriptPubKeys();
    3716         [ -  + ]:          29 :         if (script_pub_keys.empty()) {
    3717         [ #  # ]:           0 :             return util::Error{_("Could not generate scriptPubKeys (cache is empty)")};
    3718                 :             :         }
    3719                 :             : 
    3720         [ +  - ]:          29 :         if (!internal) {
    3721   [ +  +  +  - ]:         100 :             for (const auto& script : script_pub_keys) {
    3722                 :          71 :                 CTxDestination dest;
    3723   [ +  +  +  - ]:          71 :                 if (ExtractDestination(script, dest)) {
    3724         [ +  - ]:          54 :                     SetAddressBook(dest, label, AddressPurpose::RECEIVE);
    3725                 :             :                 }
    3726                 :          71 :             }
    3727                 :             :         }
    3728                 :          29 :     }
    3729                 :             : 
    3730                 :             :     // Save the descriptor to DB
    3731                 :          30 :     spk_man->WriteDescriptor();
    3732                 :             : 
    3733                 :          30 :     return std::reference_wrapper(*spk_man);
    3734                 :             : }
    3735                 :             : 
    3736                 :           0 : bool CWallet::MigrateToSQLite(bilingual_str& error)
    3737                 :             : {
    3738                 :           0 :     AssertLockHeld(cs_wallet);
    3739                 :             : 
    3740                 :           0 :     WalletLogPrintf("Migrating wallet storage database from BerkeleyDB to SQLite.\n");
    3741                 :             : 
    3742         [ #  # ]:           0 :     if (m_database->Format() == "sqlite") {
    3743                 :           0 :         error = _("Error: This wallet already uses SQLite");
    3744                 :           0 :         return false;
    3745                 :             :     }
    3746                 :             : 
    3747                 :             :     // Get all of the records for DB type migration
    3748                 :           0 :     std::unique_ptr<DatabaseBatch> batch = m_database->MakeBatch();
    3749         [ #  # ]:           0 :     std::unique_ptr<DatabaseCursor> cursor = batch->GetNewCursor();
    3750                 :           0 :     std::vector<std::pair<SerializeData, SerializeData>> records;
    3751         [ #  # ]:           0 :     if (!cursor) {
    3752         [ #  # ]:           0 :         error = _("Error: Unable to begin reading all records in the database");
    3753                 :           0 :         return false;
    3754                 :             :     }
    3755                 :           0 :     DatabaseCursor::Status status = DatabaseCursor::Status::FAIL;
    3756                 :           0 :     while (true) {
    3757                 :           0 :         DataStream ss_key{};
    3758                 :           0 :         DataStream ss_value{};
    3759         [ #  # ]:           0 :         status = cursor->Next(ss_key, ss_value);
    3760         [ #  # ]:           0 :         if (status != DatabaseCursor::Status::MORE) {
    3761                 :             :             break;
    3762                 :             :         }
    3763         [ #  # ]:           0 :         SerializeData key(ss_key.begin(), ss_key.end());
    3764         [ #  # ]:           0 :         SerializeData value(ss_value.begin(), ss_value.end());
    3765         [ #  # ]:           0 :         records.emplace_back(key, value);
    3766                 :           0 :     }
    3767         [ #  # ]:           0 :     cursor.reset();
    3768         [ #  # ]:           0 :     batch.reset();
    3769         [ #  # ]:           0 :     if (status != DatabaseCursor::Status::DONE) {
    3770         [ #  # ]:           0 :         error = _("Error: Unable to read all records in the database");
    3771                 :           0 :         return false;
    3772                 :             :     }
    3773                 :             : 
    3774                 :             :     // Close this database and delete the file
    3775   [ #  #  #  # ]:           0 :     fs::path db_path = fs::PathFromString(m_database->Filename());
    3776         [ #  # ]:           0 :     m_database->Close();
    3777         [ #  # ]:           0 :     fs::remove(db_path);
    3778                 :             : 
    3779                 :             :     // Generate the path for the location of the migrated wallet
    3780                 :             :     // Wallets that are plain files rather than wallet directories will be migrated to be wallet directories.
    3781   [ #  #  #  #  :           0 :     const fs::path wallet_path = fsbridge::AbsPathJoin(GetWalletDir(), fs::PathFromString(m_name));
                   #  # ]
    3782                 :             : 
    3783                 :             :     // Make new DB
    3784         [ #  # ]:           0 :     DatabaseOptions opts;
    3785                 :           0 :     opts.require_create = true;
    3786         [ #  # ]:           0 :     opts.require_format = DatabaseFormat::SQLITE;
    3787                 :           0 :     DatabaseStatus db_status;
    3788         [ #  # ]:           0 :     std::unique_ptr<WalletDatabase> new_db = MakeDatabase(wallet_path, opts, db_status, error);
    3789         [ #  # ]:           0 :     assert(new_db); // This is to prevent doing anything further with this wallet. The original file was deleted, but a backup exists.
    3790         [ #  # ]:           0 :     m_database.reset();
    3791                 :           0 :     m_database = std::move(new_db);
    3792                 :             : 
    3793                 :             :     // Write existing records into the new DB
    3794         [ #  # ]:           0 :     batch = m_database->MakeBatch();
    3795         [ #  # ]:           0 :     bool began = batch->TxnBegin();
    3796         [ #  # ]:           0 :     assert(began); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
    3797   [ #  #  #  # ]:           0 :     for (const auto& [key, value] : records) {
    3798   [ #  #  #  # ]:           0 :         if (!batch->Write(std::span{key}, std::span{value})) {
    3799         [ #  # ]:           0 :             batch->TxnAbort();
    3800         [ #  # ]:           0 :             m_database->Close();
    3801   [ #  #  #  #  :           0 :             fs::remove(m_database->Filename());
                   #  # ]
    3802                 :           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.
    3803                 :             :         }
    3804                 :             :     }
    3805         [ #  # ]:           0 :     bool committed = batch->TxnCommit();
    3806         [ #  # ]:           0 :     assert(committed); // This is a critical error, the new db could not be written to. The original db exists as a backup, but we should not continue execution.
    3807                 :           0 :     return true;
    3808                 :           0 : }
    3809                 :             : 
    3810                 :           0 : std::optional<MigrationData> CWallet::GetDescriptorsForLegacy(bilingual_str& error) const
    3811                 :             : {
    3812                 :           0 :     AssertLockHeld(cs_wallet);
    3813                 :             : 
    3814                 :           0 :     LegacyDataSPKM* legacy_spkm = GetLegacyDataSPKM();
    3815         [ #  # ]:           0 :     if (!Assume(legacy_spkm)) {
    3816                 :             :         // This shouldn't happen
    3817         [ #  # ]:           0 :         error = Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"));
    3818                 :           0 :         return std::nullopt;
    3819                 :             :     }
    3820                 :             : 
    3821                 :           0 :     std::optional<MigrationData> res = legacy_spkm->MigrateToDescriptor();
    3822         [ #  # ]:           0 :     if (res == std::nullopt) {
    3823         [ #  # ]:           0 :         error = _("Error: Unable to produce descriptors for this legacy wallet. Make sure to provide the wallet's passphrase if it is encrypted.");
    3824                 :           0 :         return std::nullopt;
    3825                 :             :     }
    3826                 :           0 :     return res;
    3827                 :           0 : }
    3828                 :             : 
    3829                 :           0 : util::Result<void> CWallet::ApplyMigrationData(WalletBatch& local_wallet_batch, MigrationData& data)
    3830                 :             : {
    3831                 :           0 :     AssertLockHeld(cs_wallet);
    3832                 :             : 
    3833                 :           0 :     LegacyDataSPKM* legacy_spkm = GetLegacyDataSPKM();
    3834         [ #  # ]:           0 :     if (!Assume(legacy_spkm)) {
    3835                 :             :         // This shouldn't happen
    3836         [ #  # ]:           0 :         return util::Error{Untranslated(STR_INTERNAL_BUG("Error: Legacy wallet data missing"))};
    3837                 :             :     }
    3838                 :             : 
    3839                 :             :     // Get all invalid or non-watched scripts that will not be migrated
    3840         [ #  # ]:           0 :     std::set<CTxDestination> not_migrated_dests;
    3841   [ #  #  #  #  :           0 :     for (const auto& script : legacy_spkm->GetNotMineScriptPubKeys()) {
                   #  # ]
    3842                 :           0 :         CTxDestination dest;
    3843   [ #  #  #  #  :           0 :         if (ExtractDestination(script, dest)) not_migrated_dests.emplace(dest);
                   #  # ]
    3844                 :           0 :     }
    3845                 :             : 
    3846                 :             :     // When the legacy wallet has no spendable scripts, the main wallet will be empty, leaving its script cache empty as well.
    3847                 :             :     // The watch-only and/or solvable wallet(s) will contain the scripts in their respective caches.
    3848                 :           0 :     if (!data.desc_spkms.empty()) Assume(!m_cached_spks.empty());
    3849                 :           0 :     if (!data.watch_descs.empty()) Assume(!data.watchonly_wallet->m_cached_spks.empty());
    3850                 :           0 :     if (!data.solvable_descs.empty()) Assume(!data.solvable_wallet->m_cached_spks.empty());
    3851                 :             : 
    3852         [ #  # ]:           0 :     for (auto& desc_spkm : data.desc_spkms) {
    3853   [ #  #  #  # ]:           0 :         if (m_spk_managers.count(desc_spkm->GetID()) > 0) {
    3854         [ #  # ]:           0 :             return util::Error{_("Error: Duplicate descriptors created during migration. Your wallet may be corrupted.")};
    3855                 :             :         }
    3856         [ #  # ]:           0 :         uint256 id = desc_spkm->GetID();
    3857         [ #  # ]:           0 :         AddScriptPubKeyMan(id, std::move(desc_spkm));
    3858                 :             :     }
    3859                 :             : 
    3860                 :             :     // Remove the LegacyScriptPubKeyMan from disk
    3861   [ #  #  #  # ]:           0 :     if (!legacy_spkm->DeleteRecordsWithDB(local_wallet_batch)) {
    3862         [ #  # ]:           0 :         return util::Error{_("Error: cannot remove legacy wallet records")};
    3863                 :             :     }
    3864                 :             : 
    3865                 :             :     // Remove the LegacyScriptPubKeyMan from memory
    3866         [ #  # ]:           0 :     m_spk_managers.erase(legacy_spkm->GetID());
    3867                 :           0 :     m_external_spk_managers.clear();
    3868                 :           0 :     m_internal_spk_managers.clear();
    3869                 :             : 
    3870                 :             :     // Setup new descriptors
    3871         [ #  # ]:           0 :     SetWalletFlagWithDB(local_wallet_batch, WALLET_FLAG_DESCRIPTORS);
    3872   [ #  #  #  # ]:           0 :     if (!IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
    3873                 :             :         // Use the existing master key if we have it
    3874         [ #  # ]:           0 :         if (data.master_key.key.IsValid()) {
    3875         [ #  # ]:           0 :             SetupDescriptorScriptPubKeyMans(local_wallet_batch, data.master_key);
    3876                 :             :         } else {
    3877                 :             :             // Setup with a new seed if we don't.
    3878         [ #  # ]:           0 :             SetupOwnDescriptorScriptPubKeyMans(local_wallet_batch);
    3879                 :             :         }
    3880                 :             :     }
    3881                 :             : 
    3882                 :             :     // Get best block locator so that we can copy it to the watchonly and solvables
    3883                 :           0 :     CBlockLocator best_block_locator;
    3884   [ #  #  #  # ]:           0 :     if (!local_wallet_batch.ReadBestBlock(best_block_locator)) {
    3885         [ #  # ]:           0 :         return util::Error{_("Error: Unable to read wallet's best block locator record")};
    3886                 :             :     }
    3887                 :             : 
    3888                 :             :     // Check if the transactions in the wallet are still ours. Either they belong here, or they belong in the watchonly wallet.
    3889                 :             :     // We need to go through these in the tx insertion order so that lookups to spends works.
    3890                 :           0 :     std::vector<Txid> txids_to_delete;
    3891                 :           0 :     std::unique_ptr<WalletBatch> watchonly_batch;
    3892         [ #  # ]:           0 :     if (data.watchonly_wallet) {
    3893         [ #  # ]:           0 :         watchonly_batch = std::make_unique<WalletBatch>(data.watchonly_wallet->GetDatabase());
    3894   [ #  #  #  #  :           0 :         if (!watchonly_batch->TxnBegin()) return util::Error{strprintf(_("Error: database transaction cannot be executed for wallet %s"), data.watchonly_wallet->GetName())};
                   #  # ]
    3895                 :             :         // Copy the next tx order pos to the watchonly wallet
    3896         [ #  # ]:           0 :         LOCK(data.watchonly_wallet->cs_wallet);
    3897         [ #  # ]:           0 :         data.watchonly_wallet->nOrderPosNext = nOrderPosNext;
    3898         [ #  # ]:           0 :         watchonly_batch->WriteOrderPosNext(data.watchonly_wallet->nOrderPosNext);
    3899                 :             :         // Write the best block locator to avoid rescanning on reload
    3900   [ #  #  #  # ]:           0 :         if (!watchonly_batch->WriteBestBlock(best_block_locator)) {
    3901   [ #  #  #  # ]:           0 :             return util::Error{_("Error: Unable to write watchonly wallet best block locator record")};
    3902                 :             :         }
    3903                 :           0 :     }
    3904                 :           0 :     std::unique_ptr<WalletBatch> solvables_batch;
    3905         [ #  # ]:           0 :     if (data.solvable_wallet) {
    3906         [ #  # ]:           0 :         solvables_batch = std::make_unique<WalletBatch>(data.solvable_wallet->GetDatabase());
    3907   [ #  #  #  #  :           0 :         if (!solvables_batch->TxnBegin()) return util::Error{strprintf(_("Error: database transaction cannot be executed for wallet %s"), data.solvable_wallet->GetName())};
                   #  # ]
    3908                 :             :         // Write the best block locator to avoid rescanning on reload
    3909   [ #  #  #  # ]:           0 :         if (!solvables_batch->WriteBestBlock(best_block_locator)) {
    3910         [ #  # ]:           0 :             return util::Error{_("Error: Unable to write solvable wallet best block locator record")};
    3911                 :             :         }
    3912                 :             :     }
    3913   [ #  #  #  # ]:           0 :     for (const auto& [_pos, wtx] : wtxOrdered) {
    3914                 :             :         // Check it is the watchonly wallet's
    3915                 :             :         // solvable_wallet doesn't need to be checked because transactions for those scripts weren't being watched for
    3916   [ #  #  #  #  :           0 :         bool is_mine = IsMine(*wtx->tx) || IsFromMe(*wtx->tx);
             #  #  #  # ]
    3917         [ #  # ]:           0 :         if (data.watchonly_wallet) {
    3918         [ #  # ]:           0 :             LOCK(data.watchonly_wallet->cs_wallet);
    3919   [ #  #  #  #  :           0 :             if (data.watchonly_wallet->IsMine(*wtx->tx) || data.watchonly_wallet->IsFromMe(*wtx->tx)) {
             #  #  #  # ]
    3920                 :             :                 // Add to watchonly wallet
    3921         [ #  # ]:           0 :                 const Txid& hash = wtx->GetHash();
    3922                 :           0 :                 const CWalletTx& to_copy_wtx = *wtx;
    3923   [ #  #  #  # ]:           0 :                 if (!data.watchonly_wallet->LoadToWallet(hash, [&](CWalletTx& ins_wtx, bool new_tx) EXCLUSIVE_LOCKS_REQUIRED(data.watchonly_wallet->cs_wallet) {
    3924         [ #  # ]:           0 :                     if (!new_tx) return false;
    3925   [ #  #  #  # ]:           0 :                     ins_wtx.SetTx(to_copy_wtx.tx);
    3926                 :           0 :                     ins_wtx.CopyFrom(to_copy_wtx);
    3927                 :           0 :                     return true;
    3928                 :             :                 })) {
    3929   [ #  #  #  #  :           0 :                     return util::Error{strprintf(_("Error: Could not add watchonly tx %s to watchonly wallet"), wtx->GetHash().GetHex())};
                   #  # ]
    3930                 :             :                 }
    3931   [ #  #  #  # ]:           0 :                 watchonly_batch->WriteTx(data.watchonly_wallet->mapWallet.at(hash));
    3932                 :             :                 // Mark as to remove from the migrated wallet only if it does not also belong to it
    3933         [ #  # ]:           0 :                 if (!is_mine) {
    3934         [ #  # ]:           0 :                     txids_to_delete.push_back(hash);
    3935                 :             :                 }
    3936                 :           0 :                 continue;
    3937         [ #  # ]:           0 :             }
    3938                 :           0 :         }
    3939         [ #  # ]:           0 :         if (!is_mine) {
    3940                 :             :             // Both not ours and not in the watchonly wallet
    3941   [ #  #  #  # ]:           0 :             return util::Error{strprintf(_("Error: Transaction %s in wallet cannot be identified to belong to migrated wallets"), wtx->GetHash().GetHex())};
    3942                 :             :         }
    3943                 :             :     }
    3944                 :             : 
    3945                 :             :     // Do the removes
    3946         [ #  # ]:           0 :     if (txids_to_delete.size() > 0) {
    3947   [ #  #  #  # ]:           0 :         if (auto res = RemoveTxs(local_wallet_batch, txids_to_delete); !res) {
    3948   [ #  #  #  # ]:           0 :             return util::Error{_("Error: Could not delete watchonly transactions. ") + util::ErrorString(res)};
    3949                 :           0 :         }
    3950                 :             :     }
    3951                 :             : 
    3952                 :             :     // Pair external wallets with their corresponding db handler
    3953                 :           0 :     std::vector<std::pair<std::shared_ptr<CWallet>, std::unique_ptr<WalletBatch>>> wallets_vec;
    3954   [ #  #  #  # ]:           0 :     if (data.watchonly_wallet) wallets_vec.emplace_back(data.watchonly_wallet, std::move(watchonly_batch));
    3955   [ #  #  #  # ]:           0 :     if (data.solvable_wallet) wallets_vec.emplace_back(data.solvable_wallet, std::move(solvables_batch));
    3956                 :             : 
    3957                 :             :     // Write address book entry to disk
    3958                 :           0 :     auto func_store_addr = [](WalletBatch& batch, const CTxDestination& dest, const CAddressBookData& entry) {
    3959                 :           0 :         auto address{EncodeDestination(dest)};
    3960   [ #  #  #  #  :           0 :         if (entry.purpose) batch.WritePurpose(address, PurposeToString(*entry.purpose));
                   #  # ]
    3961   [ #  #  #  # ]:           0 :         if (entry.label) batch.WriteName(address, *entry.label);
    3962   [ #  #  #  # ]:           0 :         for (const auto& [id, request] : entry.receive_requests) {
    3963         [ #  # ]:           0 :             batch.WriteAddressReceiveRequest(dest, id, request);
    3964                 :             :         }
    3965   [ #  #  #  # ]:           0 :         if (entry.previously_spent) batch.WriteAddressPreviouslySpent(dest, true);
    3966                 :           0 :     };
    3967                 :             : 
    3968                 :             :     // Check the address book data in the same way we did for transactions
    3969                 :           0 :     std::vector<CTxDestination> dests_to_delete;
    3970   [ #  #  #  # ]:           0 :     for (const auto& [dest, record] : m_address_book) {
    3971                 :             :         // Ensure "receive" entries that are no longer part of the original wallet are transferred to another wallet
    3972                 :             :         // Entries for everything else ("send") will be cloned to all wallets.
    3973   [ #  #  #  #  :           0 :         bool require_transfer = record.purpose == AddressPurpose::RECEIVE && !IsMine(dest);
                   #  # ]
    3974                 :           0 :         bool copied = false;
    3975   [ #  #  #  # ]:           0 :         for (auto& [wallet, batch] : wallets_vec) {
    3976         [ #  # ]:           0 :             LOCK(wallet->cs_wallet);
    3977   [ #  #  #  #  :           0 :             if (require_transfer && !wallet->IsMine(dest)) continue;
             #  #  #  # ]
    3978                 :             : 
    3979                 :             :             // Copy the entire address book entry
    3980   [ #  #  #  # ]:           0 :             wallet->m_address_book[dest] = record;
    3981         [ #  # ]:           0 :             func_store_addr(*batch, dest, record);
    3982                 :             : 
    3983                 :           0 :             copied = true;
    3984                 :             :             // Only delete 'receive' records that are no longer part of the original wallet
    3985         [ #  # ]:           0 :             if (require_transfer) {
    3986         [ #  # ]:           0 :                 dests_to_delete.push_back(dest);
    3987         [ #  # ]:           0 :                 break;
    3988                 :             :             }
    3989                 :           0 :         }
    3990                 :             : 
    3991                 :             :         // Fail immediately if we ever found an entry that was ours and cannot be transferred
    3992                 :             :         // to any of the created wallets (watch-only, solvable).
    3993                 :             :         // Means that no inferred descriptor maps to the stored entry. Which mustn't happen.
    3994         [ #  # ]:           0 :         if (require_transfer && !copied) {
    3995                 :             : 
    3996                 :             :             // Skip invalid/non-watched scripts that will not be migrated
    3997         [ #  # ]:           0 :             if (not_migrated_dests.count(dest) > 0) {
    3998         [ #  # ]:           0 :                 dests_to_delete.push_back(dest);
    3999                 :           0 :                 continue;
    4000                 :             :             }
    4001                 :             : 
    4002         [ #  # ]:           0 :             return util::Error{_("Error: Address book data in wallet cannot be identified to belong to migrated wallets")};
    4003                 :             :         }
    4004                 :             :     }
    4005                 :             : 
    4006                 :             :     // Persist external wallets address book entries
    4007   [ #  #  #  # ]:           0 :     for (auto& [wallet, batch] : wallets_vec) {
    4008   [ #  #  #  # ]:           0 :         if (!batch->TxnCommit()) {
    4009         [ #  # ]:           0 :             return util::Error{strprintf(_("Error: Unable to write data to disk for wallet %s"), wallet->GetName())};
    4010                 :             :         }
    4011                 :             :     }
    4012                 :             : 
    4013                 :             :     // Remove the things to delete in this wallet
    4014         [ #  # ]:           0 :     if (dests_to_delete.size() > 0) {
    4015         [ #  # ]:           0 :         for (const auto& dest : dests_to_delete) {
    4016   [ #  #  #  # ]:           0 :             if (!DelAddressBookWithDB(local_wallet_batch, dest)) {
    4017         [ #  # ]:           0 :                 return util::Error{_("Error: Unable to remove watchonly address book data")};
    4018                 :             :             }
    4019                 :             :         }
    4020                 :             :     }
    4021                 :             : 
    4022                 :           0 :     return {}; // all good
    4023                 :           0 : }
    4024                 :             : 
    4025                 :      115853 : bool CWallet::CanGrindR() const
    4026                 :             : {
    4027                 :      115853 :     return !IsWalletFlagSet(WALLET_FLAG_EXTERNAL_SIGNER);
    4028                 :             : }
    4029                 :             : 
    4030                 :           0 : bool DoMigration(CWallet& wallet, WalletContext& context, bilingual_str& error, MigrationResult& res) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
    4031                 :             : {
    4032                 :           0 :     AssertLockHeld(wallet.cs_wallet);
    4033                 :             : 
    4034                 :             :     // Get all of the descriptors from the legacy wallet
    4035                 :           0 :     std::optional<MigrationData> data = wallet.GetDescriptorsForLegacy(error);
    4036         [ #  # ]:           0 :     if (data == std::nullopt) return false;
    4037                 :             : 
    4038                 :             :     // Create the watchonly and solvable wallets if necessary
    4039   [ #  #  #  # ]:           0 :     if (data->watch_descs.size() > 0 || data->solvable_descs.size() > 0) {
    4040         [ #  # ]:           0 :         DatabaseOptions options;
    4041                 :           0 :         options.require_existing = false;
    4042                 :           0 :         options.require_create = true;
    4043         [ #  # ]:           0 :         options.require_format = DatabaseFormat::SQLITE;
    4044                 :             : 
    4045         [ #  # ]:           0 :         WalletContext empty_context;
    4046                 :           0 :         empty_context.args = context.args;
    4047                 :             : 
    4048                 :             :         // Make the wallets
    4049                 :           0 :         options.create_flags = WALLET_FLAG_DISABLE_PRIVATE_KEYS | WALLET_FLAG_BLANK_WALLET | WALLET_FLAG_DESCRIPTORS;
    4050   [ #  #  #  # ]:           0 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE)) {
    4051                 :           0 :             options.create_flags |= WALLET_FLAG_AVOID_REUSE;
    4052                 :             :         }
    4053   [ #  #  #  # ]:           0 :         if (wallet.IsWalletFlagSet(WALLET_FLAG_KEY_ORIGIN_METADATA)) {
    4054                 :           0 :             options.create_flags |= WALLET_FLAG_KEY_ORIGIN_METADATA;
    4055                 :             :         }
    4056         [ #  # ]:           0 :         if (data->watch_descs.size() > 0) {
    4057         [ #  # ]:           0 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the watched scripts\n");
    4058                 :             : 
    4059                 :           0 :             DatabaseStatus status;
    4060                 :           0 :             std::vector<bilingual_str> warnings;
    4061         [ #  # ]:           0 :             std::string wallet_name = wallet.GetName() + "_watchonly";
    4062         [ #  # ]:           0 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4063         [ #  # ]:           0 :             if (!database) {
    4064         [ #  # ]:           0 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4065                 :           0 :                 return false;
    4066                 :             :             }
    4067                 :             : 
    4068   [ #  #  #  # ]:           0 :             data->watchonly_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4069         [ #  # ]:           0 :             if (!data->watchonly_wallet) {
    4070         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4071                 :           0 :                 return false;
    4072                 :             :             }
    4073                 :           0 :             res.watchonly_wallet = data->watchonly_wallet;
    4074         [ #  # ]:           0 :             LOCK(data->watchonly_wallet->cs_wallet);
    4075                 :             : 
    4076                 :             :             // Parse the descriptors and add them to the new wallet
    4077         [ #  # ]:           0 :             for (const auto& [desc_str, creation_time] : data->watch_descs) {
    4078                 :             :                 // Parse the descriptor
    4079                 :           0 :                 FlatSigningProvider keys;
    4080         [ #  # ]:           0 :                 std::string parse_err;
    4081         [ #  # ]:           0 :                 std::vector<std::unique_ptr<Descriptor>> descs = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
    4082         [ #  # ]:           0 :                 assert(descs.size() == 1); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor or a multipath descriptors
    4083   [ #  #  #  #  :           0 :                 assert(!descs.at(0)->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
                   #  # ]
    4084                 :             : 
    4085                 :             :                 // Add to the wallet
    4086   [ #  #  #  #  :           0 :                 WalletDescriptor w_desc(std::move(descs.at(0)), creation_time, 0, 0, 0);
                   #  # ]
    4087   [ #  #  #  #  :           0 :                 if (auto spkm_res = data->watchonly_wallet->AddWalletDescriptor(w_desc, keys, "", false); !spkm_res) {
                   #  # ]
    4088   [ #  #  #  # ]:           0 :                     throw std::runtime_error(util::ErrorString(spkm_res).original);
    4089                 :           0 :                 }
    4090                 :           0 :             }
    4091                 :             : 
    4092                 :             :             // Add the wallet to settings
    4093         [ #  # ]:           0 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
    4094                 :           0 :         }
    4095         [ #  # ]:           0 :         if (data->solvable_descs.size() > 0) {
    4096         [ #  # ]:           0 :             wallet.WalletLogPrintf("Making a new watchonly wallet containing the unwatched solvable scripts\n");
    4097                 :             : 
    4098                 :           0 :             DatabaseStatus status;
    4099                 :           0 :             std::vector<bilingual_str> warnings;
    4100         [ #  # ]:           0 :             std::string wallet_name = wallet.GetName() + "_solvables";
    4101         [ #  # ]:           0 :             std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4102         [ #  # ]:           0 :             if (!database) {
    4103         [ #  # ]:           0 :                 error = strprintf(_("Wallet file creation failed: %s"), error);
    4104                 :           0 :                 return false;
    4105                 :             :             }
    4106                 :             : 
    4107   [ #  #  #  # ]:           0 :             data->solvable_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4108         [ #  # ]:           0 :             if (!data->solvable_wallet) {
    4109         [ #  # ]:           0 :                 error = _("Error: Failed to create new watchonly wallet");
    4110                 :           0 :                 return false;
    4111                 :             :             }
    4112                 :           0 :             res.solvables_wallet = data->solvable_wallet;
    4113         [ #  # ]:           0 :             LOCK(data->solvable_wallet->cs_wallet);
    4114                 :             : 
    4115                 :             :             // Parse the descriptors and add them to the new wallet
    4116         [ #  # ]:           0 :             for (const auto& [desc_str, creation_time] : data->solvable_descs) {
    4117                 :             :                 // Parse the descriptor
    4118                 :           0 :                 FlatSigningProvider keys;
    4119         [ #  # ]:           0 :                 std::string parse_err;
    4120         [ #  # ]:           0 :                 std::vector<std::unique_ptr<Descriptor>> descs = Parse(desc_str, keys, parse_err, /* require_checksum */ true);
    4121         [ #  # ]:           0 :                 assert(descs.size() == 1); // It shouldn't be possible to have the LegacyScriptPubKeyMan make an invalid descriptor or a multipath descriptors
    4122   [ #  #  #  #  :           0 :                 assert(!descs.at(0)->IsRange()); // It shouldn't be possible to have LegacyScriptPubKeyMan make a ranged watchonly descriptor
                   #  # ]
    4123                 :             : 
    4124                 :             :                 // Add to the wallet
    4125   [ #  #  #  #  :           0 :                 WalletDescriptor w_desc(std::move(descs.at(0)), creation_time, 0, 0, 0);
                   #  # ]
    4126   [ #  #  #  #  :           0 :                 if (auto spkm_res = data->solvable_wallet->AddWalletDescriptor(w_desc, keys, "", false); !spkm_res) {
                   #  # ]
    4127   [ #  #  #  # ]:           0 :                     throw std::runtime_error(util::ErrorString(spkm_res).original);
    4128                 :           0 :                 }
    4129                 :           0 :             }
    4130                 :             : 
    4131                 :             :             // Add the wallet to settings
    4132         [ #  # ]:           0 :             UpdateWalletSetting(*context.chain, wallet_name, /*load_on_startup=*/true, warnings);
    4133                 :           0 :         }
    4134                 :           0 :     }
    4135                 :             : 
    4136                 :             :     // Add the descriptors to wallet, remove LegacyScriptPubKeyMan, and cleanup txs and address book data
    4137   [ #  #  #  # ]:           0 :     return RunWithinTxn(wallet.GetDatabase(), /*process_desc=*/"apply migration process", [&](WalletBatch& batch) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet){
    4138         [ #  # ]:           0 :         if (auto res_migration = wallet.ApplyMigrationData(batch, *data); !res_migration) {
    4139         [ #  # ]:           0 :             error = util::ErrorString(res_migration);
    4140                 :           0 :             return false;
    4141                 :           0 :         }
    4142                 :           0 :         wallet.WalletLogPrintf("Wallet migration complete.\n");
    4143                 :           0 :         return true;
    4144                 :             :     });
    4145                 :           0 : }
    4146                 :             : 
    4147                 :           0 : util::Result<MigrationResult> MigrateLegacyToDescriptor(const std::string& wallet_name, const SecureString& passphrase, WalletContext& context)
    4148                 :             : {
    4149                 :           0 :     std::vector<bilingual_str> warnings;
    4150         [ #  # ]:           0 :     bilingual_str error;
    4151                 :             : 
    4152                 :             :     // If the wallet is still loaded, unload it so that nothing else tries to use it while we're changing it
    4153                 :           0 :     bool was_loaded = false;
    4154   [ #  #  #  # ]:           0 :     if (auto wallet = GetWallet(context, wallet_name)) {
    4155   [ #  #  #  # ]:           0 :         if (wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    4156         [ #  # ]:           0 :             return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4157                 :             :         }
    4158                 :             : 
    4159   [ #  #  #  # ]:           0 :         if (!RemoveWallet(context, wallet, /*load_on_start=*/std::nullopt, warnings)) {
    4160         [ #  # ]:           0 :             return util::Error{_("Unable to unload the wallet before migrating")};
    4161                 :             :         }
    4162         [ #  # ]:           0 :         WaitForDeleteWallet(std::move(wallet));
    4163                 :             :         was_loaded = true;
    4164                 :             :     } else {
    4165                 :             :         // Check if the wallet is BDB
    4166         [ #  # ]:           0 :         const auto& wallet_path = GetWalletPath(wallet_name);
    4167         [ #  # ]:           0 :         if (!wallet_path) {
    4168         [ #  # ]:           0 :             return util::Error{util::ErrorString(wallet_path)};
    4169                 :             :         }
    4170   [ #  #  #  # ]:           0 :         if (!fs::exists(*wallet_path)) {
    4171         [ #  # ]:           0 :             return util::Error{_("Error: Wallet does not exist")};
    4172                 :             :         }
    4173   [ #  #  #  #  :           0 :         if (!IsBDBFile(BDBDataFile(*wallet_path))) {
                   #  # ]
    4174         [ #  # ]:           0 :             return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4175                 :             :         }
    4176                 :           0 :     }
    4177                 :             : 
    4178                 :             :     // Load the wallet but only in the context of this function.
    4179                 :             :     // No signals should be connected nor should anything else be aware of this wallet
    4180         [ #  # ]:           0 :     WalletContext empty_context;
    4181                 :           0 :     empty_context.args = context.args;
    4182         [ #  # ]:           0 :     DatabaseOptions options;
    4183                 :           0 :     options.require_existing = true;
    4184         [ #  # ]:           0 :     options.require_format = DatabaseFormat::BERKELEY_RO;
    4185                 :           0 :     DatabaseStatus status;
    4186         [ #  # ]:           0 :     std::unique_ptr<WalletDatabase> database = MakeWalletDatabase(wallet_name, options, status, error);
    4187         [ #  # ]:           0 :     if (!database) {
    4188   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet file verification failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
                      # ]
    4189                 :             :     }
    4190                 :             : 
    4191                 :             :     // Make the local wallet
    4192         [ #  # ]:           0 :     std::shared_ptr<CWallet> local_wallet = CWallet::Create(empty_context, wallet_name, std::move(database), options.create_flags, error, warnings);
    4193         [ #  # ]:           0 :     if (!local_wallet) {
    4194   [ #  #  #  #  :           0 :         return util::Error{Untranslated("Wallet loading failed.") + Untranslated(" ") + error};
          #  #  #  #  #  
                      # ]
    4195                 :             :     }
    4196                 :             : 
    4197         [ #  # ]:           0 :     return MigrateLegacyToDescriptor(std::move(local_wallet), passphrase, context, was_loaded);
    4198                 :           0 : }
    4199                 :             : 
    4200                 :           0 : util::Result<MigrationResult> MigrateLegacyToDescriptor(std::shared_ptr<CWallet> local_wallet, const SecureString& passphrase, WalletContext& context, bool was_loaded)
    4201                 :             : {
    4202                 :           0 :     MigrationResult res;
    4203         [ #  # ]:           0 :     bilingual_str error;
    4204                 :           0 :     std::vector<bilingual_str> warnings;
    4205                 :             : 
    4206         [ #  # ]:           0 :     DatabaseOptions options;
    4207                 :           0 :     options.require_existing = true;
    4208                 :           0 :     DatabaseStatus status;
    4209                 :             : 
    4210         [ #  # ]:           0 :     const std::string wallet_name = local_wallet->GetName();
    4211                 :             : 
    4212                 :             :     // Helper to reload as normal for some of our exit scenarios
    4213                 :           0 :     const auto& reload_wallet = [&](std::shared_ptr<CWallet>& to_reload) {
    4214         [ #  # ]:           0 :         assert(to_reload.use_count() == 1);
    4215                 :           0 :         std::string name = to_reload->GetName();
    4216                 :           0 :         to_reload.reset();
    4217   [ #  #  #  # ]:           0 :         to_reload = LoadWallet(context, name, /*load_on_start=*/std::nullopt, options, status, error, warnings);
    4218                 :           0 :         return to_reload != nullptr;
    4219                 :           0 :     };
    4220                 :             : 
    4221                 :             :     // Before anything else, check if there is something to migrate.
    4222   [ #  #  #  # ]:           0 :     if (local_wallet->IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)) {
    4223         [ #  # ]:           0 :         if (was_loaded) {
    4224         [ #  # ]:           0 :             reload_wallet(local_wallet);
    4225                 :             :         }
    4226         [ #  # ]:           0 :         return util::Error{_("Error: This wallet is already a descriptor wallet")};
    4227                 :             :     }
    4228                 :             : 
    4229                 :             :     // Make a backup of the DB
    4230   [ #  #  #  #  :           0 :     fs::path this_wallet_dir = fs::absolute(fs::PathFromString(local_wallet->GetDatabase().Filename())).parent_path();
             #  #  #  # ]
    4231   [ #  #  #  #  :           0 :     fs::path backup_filename = fs::PathFromString(strprintf("%s_%d.legacy.bak", (wallet_name.empty() ? "default_wallet" : wallet_name), GetTime()));
          #  #  #  #  #  
                #  #  # ]
    4232   [ #  #  #  # ]:           0 :     fs::path backup_path = this_wallet_dir / backup_filename;
    4233   [ #  #  #  #  :           0 :     if (!local_wallet->BackupWallet(fs::PathToString(backup_path))) {
                   #  # ]
    4234         [ #  # ]:           0 :         if (was_loaded) {
    4235         [ #  # ]:           0 :             reload_wallet(local_wallet);
    4236                 :             :         }
    4237         [ #  # ]:           0 :         return util::Error{_("Error: Unable to make a backup of your wallet")};
    4238                 :             :     }
    4239         [ #  # ]:           0 :     res.backup_path = backup_path;
    4240                 :             : 
    4241                 :           0 :     bool success = false;
    4242                 :             : 
    4243                 :             :     // Unlock the wallet if needed
    4244   [ #  #  #  #  :           0 :     if (local_wallet->IsLocked() && !local_wallet->Unlock(passphrase)) {
             #  #  #  # ]
    4245         [ #  # ]:           0 :         if (was_loaded) {
    4246         [ #  # ]:           0 :             reload_wallet(local_wallet);
    4247                 :             :         }
    4248         [ #  # ]:           0 :         if (passphrase.find('\0') == std::string::npos) {
    4249   [ #  #  #  # ]:           0 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase was not provided or was incorrect.")};
    4250                 :             :         } else {
    4251   [ #  #  #  # ]:           0 :             return util::Error{Untranslated("Error: Wallet decryption failed, the wallet passphrase entered was incorrect. "
    4252                 :             :                                             "The passphrase contains a null character (ie - a zero byte). "
    4253                 :             :                                             "If this passphrase was set with a version of this software prior to 25.0, "
    4254                 :             :                                             "please try again with only the characters up to — but not including — "
    4255                 :           0 :                                             "the first null character.")};
    4256                 :             :         }
    4257                 :             :     }
    4258                 :             : 
    4259                 :           0 :     {
    4260         [ #  # ]:           0 :         LOCK(local_wallet->cs_wallet);
    4261                 :             :         // First change to using SQLite
    4262   [ #  #  #  #  :           0 :         if (!local_wallet->MigrateToSQLite(error)) return util::Error{error};
             #  #  #  # ]
    4263                 :             : 
    4264                 :             :         // Do the migration of keys and scripts for non-empty wallets, and cleanup if it fails
    4265   [ #  #  #  # ]:           0 :         if (HasLegacyRecords(*local_wallet)) {
    4266         [ #  # ]:           0 :             success = DoMigration(*local_wallet, context, error, res);
    4267                 :             :         } else {
    4268                 :             :             // Make sure that descriptors flag is actually set
    4269         [ #  # ]:           0 :             local_wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
    4270                 :             :             success = true;
    4271                 :             :         }
    4272                 :           0 :     }
    4273                 :             : 
    4274                 :             :     // In case of reloading failure, we need to remember the wallet dirs to remove
    4275                 :             :     // Set is used as it may be populated with the same wallet directory paths multiple times,
    4276                 :             :     // both before and after reloading. This ensures the set is complete even if one of the wallets
    4277                 :             :     // fails to reload.
    4278         [ #  # ]:           0 :     std::set<fs::path> wallet_dirs;
    4279         [ #  # ]:           0 :     if (success) {
    4280                 :             :         // Migration successful, unload all wallets locally, then reload them.
    4281                 :             :         // Reload the main wallet
    4282   [ #  #  #  #  :           0 :         wallet_dirs.insert(fs::PathFromString(local_wallet->GetDatabase().Filename()).parent_path());
             #  #  #  # ]
    4283         [ #  # ]:           0 :         success = reload_wallet(local_wallet);
    4284                 :           0 :         res.wallet = local_wallet;
    4285         [ #  # ]:           0 :         res.wallet_name = wallet_name;
    4286   [ #  #  #  # ]:           0 :         if (success && res.watchonly_wallet) {
    4287                 :             :             // Reload watchonly
    4288   [ #  #  #  #  :           0 :             wallet_dirs.insert(fs::PathFromString(res.watchonly_wallet->GetDatabase().Filename()).parent_path());
             #  #  #  # ]
    4289         [ #  # ]:           0 :             success = reload_wallet(res.watchonly_wallet);
    4290                 :             :         }
    4291   [ #  #  #  # ]:           0 :         if (success && res.solvables_wallet) {
    4292                 :             :             // Reload solvables
    4293   [ #  #  #  #  :           0 :             wallet_dirs.insert(fs::PathFromString(res.solvables_wallet->GetDatabase().Filename()).parent_path());
             #  #  #  # ]
    4294         [ #  # ]:           0 :             success = reload_wallet(res.solvables_wallet);
    4295                 :             :         }
    4296                 :             :     }
    4297         [ #  # ]:           0 :     if (!success) {
    4298                 :             :         // Migration failed, cleanup
    4299                 :             :         // Before deleting the wallet's directory, copy the backup file to the top-level wallets dir
    4300   [ #  #  #  # ]:           0 :         fs::path temp_backup_location = fsbridge::AbsPathJoin(GetWalletDir(), backup_filename);
    4301         [ #  # ]:           0 :         fs::copy_file(backup_path, temp_backup_location, fs::copy_options::none);
    4302                 :             : 
    4303                 :             :         // Make list of wallets to cleanup
    4304                 :           0 :         std::vector<std::shared_ptr<CWallet>> created_wallets;
    4305   [ #  #  #  # ]:           0 :         if (local_wallet) created_wallets.push_back(std::move(local_wallet));
    4306   [ #  #  #  # ]:           0 :         if (res.watchonly_wallet) created_wallets.push_back(std::move(res.watchonly_wallet));
    4307   [ #  #  #  # ]:           0 :         if (res.solvables_wallet) created_wallets.push_back(std::move(res.solvables_wallet));
    4308                 :             : 
    4309                 :             :         // Get the directories to remove after unloading
    4310         [ #  # ]:           0 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4311   [ #  #  #  #  :           0 :             wallet_dirs.emplace(fs::PathFromString(w->GetDatabase().Filename()).parent_path());
             #  #  #  # ]
    4312                 :             :         }
    4313                 :             : 
    4314                 :             :         // Unload the wallets
    4315         [ #  # ]:           0 :         for (std::shared_ptr<CWallet>& w : created_wallets) {
    4316         [ #  # ]:           0 :             if (w->HaveChain()) {
    4317                 :             :                 // Unloading for wallets that were loaded for normal use
    4318   [ #  #  #  # ]:           0 :                 if (!RemoveWallet(context, w, /*load_on_start=*/false)) {
    4319   [ #  #  #  # ]:           0 :                     error += _("\nUnable to cleanup failed migration");
    4320         [ #  # ]:           0 :                     return util::Error{error};
    4321                 :             :                 }
    4322         [ #  # ]:           0 :                 WaitForDeleteWallet(std::move(w));
    4323                 :             :             } else {
    4324                 :             :                 // Unloading for wallets in local context
    4325         [ #  # ]:           0 :                 assert(w.use_count() == 1);
    4326                 :           0 :                 w.reset();
    4327                 :             :             }
    4328                 :             :         }
    4329                 :             : 
    4330                 :             :         // Delete the wallet directories
    4331         [ #  # ]:           0 :         for (const fs::path& dir : wallet_dirs) {
    4332         [ #  # ]:           0 :             fs::remove_all(dir);
    4333                 :             :         }
    4334                 :             : 
    4335                 :             :         // Restore the backup
    4336                 :             :         // Convert the backup file to the wallet db file by renaming it and moving it into the wallet's directory.
    4337                 :             :         // Reload it into memory if the wallet was previously loaded.
    4338         [ #  # ]:           0 :         bilingual_str restore_error;
    4339         [ #  # ]:           0 :         const auto& ptr_wallet = RestoreWallet(context, temp_backup_location, wallet_name, /*load_on_start=*/std::nullopt, status, restore_error, warnings, /*load_after_restore=*/was_loaded);
    4340         [ #  # ]:           0 :         if (!restore_error.empty()) {
    4341   [ #  #  #  # ]:           0 :             error += restore_error + _("\nUnable to restore backup of wallet.");
    4342         [ #  # ]:           0 :             return util::Error{error};
    4343                 :             :         }
    4344                 :             : 
    4345                 :             :         // The wallet directory has been restored, but just in case, copy the previously created backup to the wallet dir
    4346         [ #  # ]:           0 :         fs::copy_file(temp_backup_location, backup_path, fs::copy_options::none);
    4347         [ #  # ]:           0 :         fs::remove(temp_backup_location);
    4348                 :             : 
    4349                 :             :         // Verify that there is no dangling wallet: when the wallet wasn't loaded before, expect null.
    4350                 :             :         // This check is performed after restoration to avoid an early error before saving the backup.
    4351         [ #  # ]:           0 :         bool wallet_reloaded = ptr_wallet != nullptr;
    4352         [ #  # ]:           0 :         assert(was_loaded == wallet_reloaded);
    4353                 :             : 
    4354         [ #  # ]:           0 :         return util::Error{error};
    4355                 :           0 :     }
    4356                 :           0 :     return res;
    4357                 :           0 : }
    4358                 :             : 
    4359                 :        6960 : void CWallet::CacheNewScriptPubKeys(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4360                 :             : {
    4361         [ +  + ]:      302189 :     for (const auto& script : spks) {
    4362                 :      295229 :         m_cached_spks[script].push_back(spkm);
    4363                 :             :     }
    4364                 :        6960 : }
    4365                 :             : 
    4366                 :        6960 : void CWallet::TopUpCallback(const std::set<CScript>& spks, ScriptPubKeyMan* spkm)
    4367                 :             : {
    4368                 :             :     // Update scriptPubKey cache
    4369                 :        6960 :     CacheNewScriptPubKeys(spks, spkm);
    4370                 :        6960 : }
    4371                 :             : 
    4372                 :           0 : std::set<CExtPubKey> CWallet::GetActiveHDPubKeys() const
    4373                 :             : {
    4374                 :           0 :     AssertLockHeld(cs_wallet);
    4375                 :             : 
    4376                 :           0 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4377                 :             : 
    4378         [ #  # ]:           0 :     std::set<CExtPubKey> active_xpubs;
    4379   [ #  #  #  # ]:           0 :     for (const auto& spkm : GetActiveScriptPubKeyMans()) {
    4380         [ #  # ]:           0 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4381         [ #  # ]:           0 :         assert(desc_spkm);
    4382         [ #  # ]:           0 :         LOCK(desc_spkm->cs_desc_man);
    4383         [ #  # ]:           0 :         WalletDescriptor w_desc = desc_spkm->GetWalletDescriptor();
    4384                 :             : 
    4385         [ #  # ]:           0 :         std::set<CPubKey> desc_pubkeys;
    4386                 :           0 :         std::set<CExtPubKey> desc_xpubs;
    4387         [ #  # ]:           0 :         w_desc.descriptor->GetPubKeys(desc_pubkeys, desc_xpubs);
    4388                 :           0 :         active_xpubs.merge(std::move(desc_xpubs));
    4389         [ #  # ]:           0 :     }
    4390                 :           0 :     return active_xpubs;
    4391                 :           0 : }
    4392                 :             : 
    4393                 :           0 : std::optional<CKey> CWallet::GetKey(const CKeyID& keyid) const
    4394                 :             : {
    4395                 :           0 :     Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS));
    4396                 :             : 
    4397         [ #  # ]:           0 :     for (const auto& spkm : GetAllScriptPubKeyMans()) {
    4398         [ #  # ]:           0 :         const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm);
    4399         [ #  # ]:           0 :         assert(desc_spkm);
    4400         [ #  # ]:           0 :         LOCK(desc_spkm->cs_desc_man);
    4401   [ #  #  #  # ]:           0 :         if (std::optional<CKey> key = desc_spkm->GetKey(keyid)) {
    4402         [ #  # ]:           0 :             return key;
    4403         [ #  # ]:           0 :         }
    4404                 :           0 :     }
    4405                 :           0 :     return std::nullopt;
    4406                 :             : }
    4407                 :             : 
    4408                 :          21 : void CWallet::WriteBestBlock() const
    4409                 :             : {
    4410                 :          21 :     AssertLockHeld(cs_wallet);
    4411                 :             : 
    4412         [ +  + ]:          21 :     if (!m_last_block_processed.IsNull()) {
    4413                 :          20 :         CBlockLocator loc;
    4414         [ +  - ]:          20 :         chain().findBlock(m_last_block_processed, FoundBlock().locator(loc));
    4415                 :             : 
    4416         [ +  - ]:          20 :         WalletBatch batch(GetDatabase());
    4417         [ +  - ]:          20 :         batch.WriteBestBlock(loc);
    4418                 :          20 :     }
    4419                 :          21 : }
    4420                 :             : } // namespace wallet
        

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